A pouring facility includes a mold conveying device configured to convey a mold, a molten-metal discharging container configured to store waste molten metal, and a pouring machine movable on a conveyance path located between the mold conveying device and the molten-metal discharging container, the pouring machine being configured to tilt a ladle in a first direction to pour molten metal into the mold conveyed by the mold conveying device, and tilt the ladle in a second direction opposite to the first direction to discharge waste molten metal into the molten-metal discharging container.
A system for determining a set temperature of molten metal in a pouring facility includes a temperature sensor configured to detect a molten metal temperature at a nozzle tip of a ladle during pouring processing, and a control unit configured to acquire temperature transition obtained by plotting the molten metal temperature for each mold in each of the pouring processing, wherein the control unit determines the upper limit temperature to cause a percentage of the number of optimum temperature transitions included in a plurality of acquired temperature transitions in the number of the plurality of acquired temperature transitions to become a predetermined percentage, and determines a temperature obtained by adding a drop temperature that is a temperature dropped during conveyance processing and the determined upper limit temperature, as the set temperature.
A pouring facility includes a mold conveying device configured to convey a mold, a molten-metal discharging container configured to store waste molten metal, and a pouring machine movable on a conveyance path located between the mold conveying device and the molten-metal discharging container, the pouring machine being configured to tilt a ladle in a first direction to pour molten metal into the mold conveyed by the mold conveying device, and tilt the ladle in a second direction opposite to the first direction to discharge waste molten metal into the molten-metal discharging container.
A casting facility control system includes: a database storing conveyance positions and mold information in association with each other; an update section updating the mold information associated with each conveyance position stored in the database; a measurement section measuring a weight of molten metal in a ladle transported to a pouring machine; a calculation section calculating the number of flasks by which the molten metal poured from the ladle can be held; a decision section recognizing, based on the number of flasks by which the poured molten metal can be held, a plurality of molds into which the molten metal to be next transported to the pouring machine is poured, adding up the planned weight of molten metal corresponding to each of the recognized molds, and determining a predicted weight of molten metal to be next transported to the pouring machine; and an output section outputting the predicted weight.
Casting facility includes a pouring machine for pouring molten metal in a ladle into a mold molded by a molding machine and conveyed to a pouring site, and the pouring machine includes a plan acquisition unit configured to acquire a planned temperature range of the molten metal for the mold, a temperature sensor configured to detect a temperature of a pouring flow during pouring of the molten metal into the mold, and a temperature determination unit configured to determine whether or not the temperature of the pouring flow is within the planned temperature range, and the pouring machine stops the pouring of the molten metal into the mold when it is determined that the temperature of the pouring flow is not within the planned temperature range.
A casting method includes pouring a molten metal in a ladle into a mold, analyzing at least one of a composition and a physical property of a test piece generated based on the molten metal sampled from inside the ladle, and performing appearance inspection of a casting product taken out from the mold, wherein in the performing appearance inspection, the at least one of the composition and the physical property of the test piece obtained in the analyzing is displayed on a display.
B22D 27/04 - Influencing the temperature of the metal, e.g. by heating or cooling the mould
G01N 21/29 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
G01N 33/205 - Metals in liquid state, e.g. molten metals
The pouring apparatus includes: a ladle including a nozzle and configured to store molten metal; a tilting mechanism configured to tilt the ladle so that a tapping position from the nozzle of the ladle is maintained at a constant position; and a radiation thermometer including a sensor head configured to output a signal related to a temperature at a measurement position and an amplifier configured to process the signal output by the sensor head, wherein the sensor head is disposed so that the measurement position is at the tapping position, and outputs a signal related to a temperature of molten metal in a molten metal flow at the tapping position.
To provide a system for producing steel castings that is simple and suitable to continuously produce many small steel castings. A system 1 comprises multiple furnaces 10 that are aligned and hold molten metal for cast steel, a pouring machine 20 that has a ladle 30 that receives the molten metal from the furnaces, wherein the pouring machine travels in parallel to a line of the furnaces and pours the molten metal into a mold 70 by tilting the ladle, a line 60 for conveying the molds that intermittently conveys molds that are aligned in parallel to a direction in which the pouring machine travels, wherein the line is located on the opposite side of the furnaces across the pouring machine, and a temperature sensor 38 that measures a temperature of the molten metal so as to generate an alarm if the temperature is low.
The management system according to the present invention is provided with: an acquisition unit for acquiring melting information relating to raw molten metal for each melting furnace; a first assignment unit for assigning a ladle serial number to a ladle for receiving raw molten metal; a melting management unit for associating, and storing in a storage medium, a furnace number for identifying one melting furnace, a number of tappings for the one melting furnace, and melting information of the one melting furnace; a ladle management unit for associating, and storing in a storage medium, the ladle serial number, the furnace number, and the number of tappings in response to tapping of the raw molten metal from the one melting furnace to a ladle; and a pouring management unit for associating, and storing in a storage medium, a mold identifier and the ladle serial number in response to pouring of molten metal of a conveyed ladle into the mold by a pouring device.
A casting plant to produce a cast product with a high quality and a method for managing data for molding the mold and data on the conditions of the molten metal in the casting plant are provided. The controller (11) for the molding unit issues a serial number for the mold to a mold (M). The controller (31) for the unit for conveying the molds shifts the serial number for the mold in accordance with a movement of the mold. It also gathers data on the mold and links the data for molding the mold with the serial number for the mold. When the molten metal is poured from the ladle into the mold, the controller (71) for the unit for pouring the molten metal sends to the computer (91) for controlling the casting plant the serial number for the ladle that is linked with the data on the conditions of the molten metal and that is linked with the serial number for the mold.
A pouring machine is provided to constantly maintain the level of the surface of melt without a leak, or the like, to maintain a necessary and sufficient pouring rate. The pouring machine (1) that pours molten metal from a container into molds in a line comprises a bogie (10) that travels along the molds; a mechanism (20) for moving the container back and forth that moves the container perpendicularly to the direction that the bogie travels; a mechanism (40) for tilting the container that tilts the container; a weight detector (50) that detects the weight of molten metal in the container; a surface-of-melt detector (60) that detects the level at a pouring cup (110) of a mold (100); and a controller (70) that controls the angle of the tilt of the container by using the detected level and the detected weight.
A system and a method for automatically transporting molten metal are provided to produce a cast product with stable qualities. The system (1) for transporting molten metal from a furnace (F) to a pouring machine (100) comprises a ladle (10) for reaction, a device (50) for feeding an alloyed metal, a ladle (60) for pouring, a bogie (20) for receiving molten metal, and a bogie (70) for transporting the ladle for pouring, and a pouring machine (100). The bogie for receiving molten metal has a controller for it. The bogie for receiving molten metal has a controller for it. At least two of the controllers among the controller for the pouring machine, the controller for the device for feeding an alloyed metal, the controller for the bogie for receiving molten metal, and the controller for the bogie for transporting the ladle for pouring, are linked for the data communication.
A pouring apparatus comprises a ladle configured to include a body and a nozzle, and a controller configured to control a tilt angle of the ladle, wherein the body includes a side face portion, an inner surface of the side face portion is formed in a cylindrical shape or in a conical shape, the nozzle includes a nozzle tip for guiding molten metal to the outside and is integrated with the body on a side of the body, in order to guide the molten metal in the body to the nozzle tip and to pour out the molten metal through the nozzle tip, and the controller controls the tilt angle on the basis of a surface area of the molten metal when the ladle is tilted.
A carriage for receiving molten metal with a mechanism for moving a ladle up and down and a method for transporting molten metal to safely move a ladle for receiving a molten metal up and down and transport it. The carriage (10) for receiving molten metal to transport the ladle that receives molten metal from a furnace (C) comprises a carriage (20) for travelling on a route (L), guiding columns (30) that are placed on the carriage (20), a frame (40) that horizontally extends from the guiding columns and moves up and down above the carriage (20), a mechanism (50) for moving the ladle, which mechanism is placed on the frame (40) and horizontally moves the ladle, and the driver (60) for moving the frame up and down.
A ladle transport car includes a car truck body provided with a wheel, a mounting table arranged on the car truck body, a ladle movement mechanism arranged on the mounting table, on which a ladle is mounted and moved in a horizontal direction, and a ladle turning mechanism arranged between the car truck body and the mounting table and turning the ladle by turning the mounting table in a horizontal plane.
Provided are casting equipment and a management method for mold fabrication data for a mold and melt data for a melt in the casting equipment with which a better casting can be created. A mold fabrication unit control device (11) issues a mold sequence number to a mold (M) for which mold fabrication has been completed. A mold transport unit control device (31) shifts the mold sequence number according to movement of the mold, and collects information regarding the mold, associating mold fabrication data with the mold sequence number. When pouring from a ladle to the mold is performed, a pouring unit control device (71) associates a ladle sequence number associated with melt state data collected for each ladle with the mold sequence number and sends it to a casting equipment management computer (91).
Provided is a molten metal pouring device that taps molten metal by tilting a ladle such that the position of tapping from a nozzle part of the ladle is held at a fixed position. The molten metal pouring device comprises: a ladle that has a main body part and a nozzle part; and a control unit that controls a tilt angle of the ladle. An inner surface of the main body part has a side surface portion that has a cylindrical or conical shape. The nozzle part has a nozzle tip that guides molten metal to the outside. The nozzle part is integrated with the main body part at a side of the main body part. The nozzle part guides molten metal from the main body part to the nozzle tip and taps the molten metal via the nozzle tip. The control unit controls a tilt angle of the ladle on the basis of the surface area of the molten metal at the time of tilting the ladle.
Provided are a molten metal pouring device and a molten metal pouring method for pouring molten metal with an appropriate pouring time while ensuring a required and adequate pouring flow rate, with no spilling, overflows, or shrinkage at the end of pouring, no short runs, and while maintaining a constant molten metal surface level. This molten metal pouring device (1), which pours molten metal from a container into casting molds which are fed forward in a line, is equipped with: a traveling carriage (10), which travels along the casting molds fed forward in a line; a forward-backward moving mechanism (20), which is provided on the traveling carriage (10) and moves the container in the direction orthogonal to the travel direction of the traveling carriage; a tilting mechanism (40), which is provided on the forward-backward moving mechanism and tilts the container; a weight detection unit (50) for detecting the weight of the molten metal in the container; a surface detection unit (60), which is provided on the traveling carriage, and detects the surface level of the molten metal in a molten metal cup (110) of the casting mold (100) receiving molten metal from the container; and a control unit (70), which uses the molten metal surface level detected by the surface detection unit and the weight of the molten metal detected by the weight detection unit to control the tilting angle (T) of the container.
Provided are a molten metal carrying system and method that automate charging of an alloy into a processing ladle, automate carrying of molten metal from the processing ladle to a molten metal pouring machine and can manufacture a cast article safely and with stable quality. A molten metal carrying system (1) carries molten metal from a furnace (F) to a molten metal pouring machine (100) and comprises the following: a processing ladle (10); an alloy charging device (50); a molten metal pouring ladle (60); a metal-pouring-function-equipped molten metal receiving truck (20); a molten metal pouring ladle carrying truck (70); and a molten metal pouring machine (100). The molten metal pouring machine has a molten metal pouring machine controller. The alloy charging device has an alloy charging device controller. The metal-pouring-function-equipped molten metal receiving truck has a metal-pouring-function-equipped molten metal receiving truck controller. The molten metal pouring ladle carrying truck has a molten metal pouring ladle carrying truck controller. Data is communicated between at least two controllers from among the molten metal pouring machine controller, the alloy charging device controller, the metal-pouring-function-equipped molten metal receiving truck controller and the molten metal pouring ladle carrying truck controller.
Provided is a molten metal pouring device for efficiently pouring molten metal only into a desired cavity and allowing the molten metal to solidify. An automatic molten metal pouring device (1) having a pressurizing function is provided with: a molten metal pouring unit (10) having a ladle (2) which pours molten metal into a mold (A) and capable of moving the ladle in the direction parallel or perpendicular to a mold line (L) along which a plurality of molds are transported; and a molten metal pressurizing unit (20) supported by the molten metal pouring unit and supplying pressurizing gas and powder to a mold having molten metal poured therein. The molten metal pressurizing unit supplies pressurizing gas and powder to a mold adjacent to a mold into which the molten metal pouring unit pours molten metal.
Provided is a molten metal receiving trolley with a lift mechanism and a molten metal receiving and transporting method, capable of safely raising/lowering and transporting a molten metal receiving ladle. The molten metal receiving trolley (10) for transporting a ladle that receives molten metal from a furnace (C) comprises a trolley (20) for traveling over a route (L), a guide column (30) installed on the trolley, a lift frame (40) extending in a horizontal direction from the guide column and capable of being raised/lowered above the trolley, a ladle movement mechanism (50) that is installed on the lift frame and moves the ladle in a horizontal direction, and a lift frame lift device (60) for raising/lowering the lift frame.
A ladle transport car (20) is provided with: a car body (21) provided with wheels; a mounting base (22) disposed on the car body; a ladle movement mechanism (23) disposed on the mounting base, the ladle movement mechanism (23) allowing a ladle (10) to be mounted thereon and horizontally moving the ladle (10); and a ladle rotation mechanism (24) disposed between the car body and the placement base and rotating the ladle by rotating and driving the mounting base in a horizontal plane.
In one embodiment of this test piece sampling method, the method samples, as a test piece, molten metal in a ladle in an automatic pouring device that pours molten metal in the ladle into a mold, and the method has: a step for pouring molten metal in ladle units into a test piece cavity formed at the upper surface of the mold; and, after the molten metal poured into the test piece cavity has cooled to form a test piece, a step for removing and sampling the test piece from the mold, which is being conveyed together with the test piece.
A sampling device for a molten metal to be poured into a casting mold according to an embodiment of the present invention is a sampling device that is mounted on an automatic pouring device that pours molten metal within a ladle into the casting mold and samples the molten metal within the ladle. The sampling device is provided with: a molten metal receiving vessel; a movable frame in which the molten metal receiving vessel is installed; and a drive unit that drives the movable frame and transports the molten metal receiving vessel to a molten metal receiving position for receiving the molten metal from the ladle.
A pouring device (15) for pouring molten metal into a mold by tilting a ladle, comprising the ladle (8) and a ladle-tilting mechanism (16) for tilting the ladle (8); the ladle (8) having a storage part for storing molten metal, and a molten metal heating part (11) for heating the molten metal in the ladle, the molten metal heating part being provided to the bottom part of the storage part, whereby temperature decreases in the molten metal in the ladle (8) can be prevented with a simple configuration, and casting defects can be reduced.
The present invention provides pouring equipment of a tilting-type that can appropriately pour molten metal at a high speed corresponding to the speed of molding. It also provides a method of pouring the molten metal. The pouring equipment has a holding furnace supplying the molten metal by being tilted, a pouring ladle pouring the molten metal supplied from the holding furnace into molds that are intermittently transported, a device for measuring weight of the molten metal in the pouring ladle, and equipment for control that controls the tiltings of the holding furnace and the pouring ladle. The equipment for control has a device for storing results from measurements and devices for calculating the first and second flow rate. The equipment controls the tilting of the ladle so that the ladle pours the molten metal into the mold according to the flow pattern of the product.
To transfer the molten metal that is melted in the melting furnace into the pouring ladle, which is a vessel for transporting the molten metal to the place for pouring, and to further lift the pouring ladle by another crane to pour the molten metal, requires time, such that the molten metal that had a high temperature when melted by the melting furnace is likely to cool down and to cause a defective cast product. To solve the problem the pouring equipment of the present invention pours the molten metal into the mold, comprising the melting furnace that produces molten metal by melting metal material and a driving apparatus that can move the melting furnace backward and forward or in a traverse direction, wherein the pouring equipment moves the melting furnace to the predetermined position by the driving apparatus, and then pours the molten metal into a mold by tilting the melting furnace relative to the mold.
Provided is a steel casting pouring apparatus that can contribute to shortening the pouring time for pouring molten steel for casting into a mold sprue. A first axial line of a first pivot is positioned radially to the inside of a first virtual extended line of an outer peripheral wall surface of a furnace body main unit and positioned radially to the outside of a second virtual extended line of an inner peripheral wall surface of a refractory lining of the furnace body main unit. A steel discharge chute part protrudes upwards or at a slant upwards and outwards from the furnace body, and the steel discharge tip of the steel discharge chute part is positioned radially to the inside of the first virtual extended line of the outer peripheral wall surface of the furnace body main unit and positioned radially to the outside of the second virtual extended line of the inner peripheral wall surface of the refractory lining of the furnace body main unit.
Provided herein is an automatic pouring method and equipment for the same that enable to inhibit the generation of residual molten metal in a ladle and thus the molten metal to be discharged therefrom can be eliminated. The method includes the steps of determining a set weight of the molten metal to be received in the ladle and number of pieces of the molds that could be poured with the ladle based on data on assigned numbers of respective molds to be poured, types of products to be cast, and set weights of the molten metal to be poured, receiving a weight of the molten metal that is greater than the set weight of the molten metal in the ladle, deriving a difference in weight between the actual weight of the molten metal that is received in the ladle and the set weight of the molten metal in the ladle, deriving a target weight of the molten metal to be poured by adding a part of the derived difference in weight to the set weight of the molten metal to be poured into the mold to be poured, and pouring the molten metal into the mold to be poured to target the target weight of the molten metal to be poured. The pouring of the molten metal is repeated by number of times that equals to the number of pieces of the molds that could be poured with the ladle such that the ladle would be emptied when the last mold in the number of pieces of the molds that could be poured with the ladle is poured.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
B22D 39/04 - Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by weight
B22D 41/04 - Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like tiltable
A supplying molten metal to an automatic pouring machine and equipment therefor. The equipment can not only supply the molten metal into the automatic pouring machine corresponding to the molding speed of the high-speed molding machine, but it can also appropriately supply the molten metal to the automatic pouring machine, so that the quality of that molten metal in the pouring ladle matches that of the molten metal that is poured in the molds. After supplying a required quantity of alloy materials in a treating ladle, supplying the molten metal from the melting furnace into the treating ladle; transporting the pouring ladle to the treating ladle; pouring the molten metal from the treating ladle into the pouring ladle; and fixing the pouring ladle that received the molten metal to the automatic pouring machine.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
B22D 41/12 - Travelling ladles or similar containersCars for ladles
B22D 47/02 - Casting plants for both moulding and casting
An automatic pouring method for pouring molten metal into a mold by controlling a pouring flow rate, includes: determining a pouring pattern based on a pouring amount, a pouring time, and a parameter; the pouring pattern representing a change in the pouring flow rate with an elapsed time and including a first point being a starting point of a pouring, a second point being a singular point of a gradient, a third point being a singular point of a gradient, a fourth point being a singular point of a gradient and a fifth point being an ending point of the pouring in sequence, and the parameter employing a pouring amount from a second point to a fourth point as a numerator, and a value obtained by integrating a pouring flow rate from a third point to the fourth point and a time from the second point to the fourth point as a denominator when pouring is started at a first point, an operation of stopping the pouring is started at the fourth point through the second point and the third point, the pouring is ended at a fifth point, and the pouring flow rate remains constant from the third point to the fourth point; and pouring molten metal into a mold based on the determined pouring pattern.
An inoculant feeding method and apparatus in which a desired amount of inoculants can be fed into molten metal poured into a mold by an automatic molten metal pouring machine, and an automatic molten metal pouring machine using the apparatus. An inoculant feeding apparatus (1) feeds inoculants into molten metal poured into a mold (2) from an automatic molten metal pouring machine (20), at a predetermined proportion corresponding to the amount of the poured molten metal which gradually varies. The apparatus (1) is provided with a hopper (8) which is attached to a truck (6) and which stores the inoculants, a screw conveyor (9) attached to a lower end of the hopper, a drive mechanism (10) which is attached to a base end of the screw conveyor and which drives the screw driver, and a controller (30) which controls the drive mechanism. Due to the control by the controller (30), the screw conveyor (9) is driven through the drive mechanism (10), corresponding to the amount of the molten metal poured from the automatic molten metal pouring machine (20) so that the inoculants are fed from the screw conveyor (9) into the molten metal poured into the mold (2) from the automatic molten metal pouring machine (20).
An automatic pouring method whereby a tilting automatic pouring device can pour at high speed, accommodating high-speed molding on a high-speed molding line. The method includes: a step wherein a pouring hopper, which can hold an amount of molten metal sufficient for multiple pours, is tilted forward, thereby pouring the molten metal from the hopper into a casting mold; a step wherein the pouring hopper is tilted backward, thereby stopping the aforementioned pouring into the casting mold; and a step wherein a set of casting molds, including the casting mold for which the aforementioned pouring has been completed, are moved at intervals. During the period from the beginning of the step in which molten metal is poured into the casting mold to the end of the step in which the set of casting molds is moved at intervals, whenever the weight of molten metal in the pouring hopper is less than a prescribed weight, molten metal is continually supplied to the pouring hopper by tilting a holding furnace forward.
The present invention provides pouring equipment of a tilting-type that can appropriately pour molten metal at a high speed corresponding to the speed of molding. It also provides a method of pouring the molten metal. The pouring equipment has a holding furnace supplying the molten metal by being tilted, a pouring ladle pouring the molten metal supplied from the holding furnace into molds that are intermittently transported, a device for measuring weight of the molten metal in the pouring ladle, and equipment for control that controls the tiltings of the holding furnace and the pouring ladle. The equipment for control has a device for storing results from measurements and devices for calculating the first and second flow rate. The equipment controls the tilting of the ladle so that the ladle pours the molten metal into the mold according to the flow pattern of the product.
The present invention provides a carriage to transport a ladle and to transfer molten metal into equipment for pouring (hereafter, transfer carriage) whereby the investment cost can be reduced by having the equipment made compact, and the temperature of the molten metal can be maintained high, and the cycle time can be reduced, because the time to transport the molten metal can be less. Further, the present invention provides a transportation line for transporting the molten metal. This line requires a smaller space for its installation. The transfer carriage of the present invention comprises a transportation means that runs along the rails for transporting a ladle; a shifting means disposed on the transportation means, which shifting means moves in the direction that is perpendicular to the rails for transporting a ladle; a lifting mechanism attached to a pillar set upright on the shifting means, a tilting means disposed at a lifting member of the lifting mechanism; and a ladle-holding member that is supported by the tilting means at the axis of the tilting means, which member is tilted by the tilting means, and which can hold or release a receiving ladle, wherein the carriage transfers the molten metal in the receiving ladle into the ladle for pouring.
It is time-consuming to transfer molten metal, which is melted by a melting furnace, to a ladle serving as a conveyance container, convey the ladle to a molten metal pouring site, and then pour the molten metal after lifting the ladle by a crane. This results in a defect in a molding due to a decrease in the temperature of the molten metal melted at high temperature. A molten metal pouring device for pouring molten metal into a mold, the molten metal pouring device being provided with a melting furnace which melts a metallic material to produce the molten metal, and also with a drive device which is adapted to move the melting furnace in the front-rear direction and in the lateral direction. The melting furnace is disposed at a predetermined position by driving the drive device, and the melting furnace is tilted relative to the mold to pour the molten metal into the mold.
Provided are a molten metal pouring machine control system, molten metal pouring equipment, and a molten metal pouring method, wherein a molten metal is correctly poured into each molded die in a molded die line consisting of an array of a large number of molded dies by smoothly performing a cooperative operation of two automatic molten metal pouring machines. To perform a cooperative operation of a first automatic molten metal pouring machine having a first carriage movable in a direction in which the molded dies are arrayed and a first molten metal pouring ladle attached to and carried by the first carriage and a second automatic molten metal pouring machine having a second carriage movable in the direction in which the molded dies are arrayed and a second molten metal pouring ladle attached to and carried by the second carriage, a main control means (12a) has a molded die data storage means (18) for storing molded die data for each molded die together with the molded die serial numbers, and a first molten metal pouring machine control means (13a) is provided with a molded die data receiving means (25), a weight information receiving means (28), a molten metal pouring machine number instruction means (30), a means (32) for determining a molded die to which a molten metal is to be poured, and a molten metal pouring operation instruction means (36) and a second molten metal pouring machine control means (14a) is provided with a molded die data receiving means (39), a means (46) for determining a molded die to which a molten metal is to be poured, and a molten metal pouring operation instruction means (44).
Provided are a method and a device capable of automatically and mechanically supplying a molten metal from a melting furnace into a processing ladle. The method is used for supplying a molten metal from a melting furnace into a processing ladle. The processing ladle supplies to a pouring ladle the molten metal into which an alloy component material is input and which is supplied from the melting furnace, the pouring ladle pouring the molten metal into a mold. In the method, the molten metal is supplied from the melting furnace into the processing ladle such that the lower end of the output flow line drawn by the molten metal flowing out from the melting furnace is positioned within the processing ladle by controlling the tilt speed and tilt position of the melting furnace.
An automatic pouring method without using a servomotor having a vertical output shaft, establishing the pouring at a low level, eliminating the unstable pouring, sand inclusion, and gaseous defects. An automatic pouring method using a ladle to be tilted for pouring molten metal into a pouring cup of a flaskless or tight-flask mold in at least one pouring device movable along an X-axis parallel to a molding line in which the mold is transferred, wherein the ladle is moved along a Y-axis perpendicular to the molding line in a horizontal plane and is tilted about a first axis of rotation and further about a second axis of rotation.
Disclosed are an inoculant feeding method and apparatus, wherein a desired amount of inoculants can be fed into a molten metal poured into a casting die by an automatic molten metal pouring machine, and an automatic molten metal pouring machine using the apparatus. An inoculant feeding apparatus (1) feeds inoculants into a molten metal poured into a casting die (2) from an automatic molten metal pouring machine (20), at a predetermined rate corresponding to the amount of the poured molten metal which gradually varies. The apparatus (1) is provided with a hopper (8) which is attached to a carriage (6) and which stores the inoculants, a screw conveyor (9) attached to a lower end of the hopper, a drive mechanism (10) which is attached to a base end of the screw conveyor and which drives the screw driver, and a controller (30) which controls the drive mechanism. Due to the control by the controller (30), the screw conveyor (9) is driven through the drive mechanism (10), corresponding to the amount of the molten metal poured from the automatic molten metal pouring machine (20) whereby the inoculants are fed from the screw conveyor (9) into the molten metal poured into the casting die (2) from the automatic molten metal pouring machine (20).
Disclosed is a method adaptable to the molding speed of a high-speed molding machine and used for supplying molten metal such that the material of the molten metal in the pouring ladle is the same as that poured into a mold to an automatic pouring machine. The method for supplying molten metal from a melting furnace into the pouring ladle of an automatic poring machine is characterized by including a step of inputting a necessary amount of alloy component material into a processing ladle connecting the melting furnace and the pouring ladle with respect to the molten metal, supplying the molten metal from the melting furnace into the processing ladle and allowing the processing ladle in which the supplied molten metal is kept to stand by, a step of moving the pouring ladle detached from the automatic pouring machine to the stand-by processing ladle, a step of pouring out the molten metal from the stand-by processing ladle into the pouring ladle, and a step of attaching the pouring ladle into which the molten metal is poured to the automatic pouring machine.
Disclosed are an automatic pouring method and a facility therefor obviating the needs to drain the molten metal to be drained from the ladle by preventing the molten metal from remaining in the ladle. The method includes a step of determining a set weight of the molten metal received by a ladle and the number of molds into which the molten metal can be poured from the ladle on the basis of data about the mold numbers of the molds, the type of the products to be cast, and the set weight of the molten metal to be poured, a step of allowing the ladle to receive the molten metal the weight of which is more than the set weight of the molten metal, a step of calculating the difference between the actual weight of the molten metal received by the ladle and the set weight of the molten metal, a step of calculating a target weight of the molten metal by adding part of the calculated difference in weight to the set weight of the molten metal poured into a mold to be supplied with the molten metal, and a step of pouring the molten metal into the mold to be supplied with the molten metal using the target weight of the molten metal as a target. Pouring the molten metal is repeated multiple times corresponding to the number of molds into which the molten metal can be poured by means of ladle, and the ladle is emptied after the molten metal is poured into the last one of the number of molds into which the molten metal can be poured.
The present invention provides a carriage to transport a ladle and to transfer molten metal into equipment for pouring (hereafter, transfer carriage) whereby the investment cost can be reduced by having the equipment made compact, and the temperature of the molten metal can be maintained high, and the cycle time can be reduced, because the time to transport the molten metal can be less. Further, the present invention provides a transportation line for transporting the molten metal. This line requires a smaller space for its installation. The transfer carriage of the present invention comprises a transportation means that runs along the rails for transporting a ladle; a shifting means disposed on the transportation means, which shifting means moves in the direction that is perpendicular to the rails for transporting a ladle; a lifting mechanism attached to a pillar set upright on the shifting means, a tilting means disposed at a lifting member of the lifting mechanism; and a ladle-holding member that is supported by the tilting means at the axis of the tilting means, which member is tilted by the tilting means, and which can hold or release a receiving ladle, wherein the carriage transfers the molten metal in the receiving ladle into the ladle for pouring.
A ladle conveyance carriage used to convey a ladle and enables the lid of the ladle to be opened and closed when required in each process to minimize as much as possible a reduction in the temperature of the molten metal. A ladle conveyance carriage is a device which lifts and lowers a lid relative to the ladle and moves the lid in a horizontal plane to open and close the lid. The ladle conveyance carriage comprises a lid opening and closing device which is provided with: a lid lifting means which lifts and lowers the lid relative to the ladle; an arm to which the lid lifting means is attached; an arm driving means to which one end of the arm is attached and which moves the arm in a horizontal plane; and a base on which the arm driving means is mounted and which is mounted on the ladle conveyance carriage.
Provided is a molten metal treatment facility wherein the facility can be made compact by attaining space saving of the molten metal transport line, and the cycle time can be shortened while reducing the cost by shortening the time required for transporting the molten metal to the next process (e.g. pouring process). A molten metal treatment facility which carries out spherification of graphite by using a graphite spherification agent in the molten metal in a ladle with a lid, opens and closes the lid and removes the slag of molten metal in the ladle where spherification of graphite is carried out comprises a ladle transporting/supporting device which transports the ladle to a predetermined position and supports the ladle at the time of tilting, a graphite spherification device which carries out spherification of graphite by charging an inoculation agent into the molten metal in the ladle which is transported to the predetermined position, a lid open/close device which opens and closes the lid by elevating and lowering the lid of the ladle, and a ladle tilting device which tilts the ladle transporting/supporting device along with the ladle.
Provided is an automatic pouring method whereby even a tilting automatic pouring device can pour at high speed, accommodating high-speed molding on a high-speed molding line. Said method includes: a process wherein a pouring tank, which can hold an amount of molten metal sufficient for multiple pours, is tilted forward, thereby pouring the molten metal from inside said tank into a casting mold; a process wherein the pouring tank is tilted backward, thereby halting the aforementioned pouring into the casting mold; and a process wherein a set of casting molds, including the casting mold for which the aforementioned pouring had completed, are moved at intervals. During the period from the beginning of the process in which molten metal is poured into the casting mold to the end of the process in which the set of casting molds is moved at intervals, whenever the weight of molten metal in the pouring tank is less than a prescribed weight, molten metal is continually supplied to the pouring tank by tilting a holding furnace forward.
An automatic pouring method without using a servomotor having a vertical output shaft, establishing the pouring at a low level, eliminating the unstable pouring, sand inclusion, and gaseous defects. An automatic pouring method using a ladle to be tilted for pouring molten metal into a pouring cup of a flaskless or tight-flask mold in at least one pouring device movable along an X-axis parallel to a molding line in which the mold is transferred, wherein the ladle is moved along a Y-axis perpendicular to the molding line in a horizontal plane and is tilted about a first axis of rotation and further about a second axis of rotation.
An automatic pouring method without using a servomotor having a vertical output shaft, establishing the pouring at a low level, eliminating the unstable pouring, sand inclusion, and gaseous defects. An automatic pouring method using a ladle to be tilted for pouring molten metal into a pouring cup of a flaskless or tight-flask mold in at least one pouring device movable along an X-axis parallel to a molding line in which the mold is transferred, wherein the ladle is moved along a Y-axis perpendicular to the molding line in a horizontal plane and is tilted about a first axis of rotation and further about a second axis of rotation.
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