The present invention relates to a transfer module (32) for a converting machine (1), the transfer module comprising a receptacle (40) and a conveyor system (38), the receptacle comprising a stacking compartment (42) configured to receive a 5 stack (S) of sheet elements (2'), and wherein the transfer module further comprises an ejection device (64) comprising an ejection member (52) configured to momentarily engage with a rear edge of the stack and push the stack out from the receptacle and place the stack in a banding zone of a banding module.
A packaging material processing machine (10) is described. It comprises an upper processing tool (12) and a lower processing tool (14) being configured for interacting with each other in order to process the sheet material. Moreover, a drive unit (18) is provided which comprises an electric machine (20) and a flywheel (22). 5An electrical supply unit (28) is electrically connected to the electric machine (20) such that the electric machine (20) is operable as an electric motor. Moreover, an electrical energy recovery unit (44) is electrically connected to the electric machine (20) such that the energy recovery unit (44) is able to store or transfer electrical energy provided by the electric machine (20) operating as an electric generator, 10the flywheel (22) being rigidly connected to the drive unit (18). Additionally, a method for operating a packaging material processing machine (10) is presented.
A reel support assembly (14) for a web material processing machine is described. The reel support assembly (14) comprises a support frame (16) and at least a first support arm unit (34a) having at least one holding stub (40) for mounting a reel (12) on the first support arm unit (34a). Furthermore, the reel support assembly (14) comprises an elevator unit (24) having a support element (26) on which a reel (12) may be placed. The support element (26) is supported on the support frame (16) in a vertically movable manner. Additionally, a hotfoil stamping machine (10) is presented which comprises such a reel support assembly (14). The reel support assembly (14) is arranged at an upstream end of the hotfoil stamping machine (10) with respect to a web travelling direction.
A clamping device (18) for supporting a reel having a tubular core is described. The clamping device (18) comprises a base body (20) with a mounting interface (22) for fixing the base body (20) on a machine frame. Additionally, it has a carrier body (36) configured for being placed inside the tubular core of the reel. The carrier 5body (36) is rotatably supported on the base body (20) such that the carrier body (36) can rotate with respect to the base body (20) about an axis (38) of rotation. Moreover, a plurality of clamping elements (42) are coupled with an actuation mechanism (76) such that the clamping elements (42) can selectively protrude from an outer circumference of the carrier body (36) and selectively be retracted to 10be at least flush with the outer circumference of the carrier body (36). Furthermore, a brake mechanism is arranged between the base body (20) and the carrier body (36) for selectively decelerating or blocking the rotation of the carrier body (36) with respect to the base body (20).
A method for processing a cardboard (12) with a laser beam (14) is provided, wherein the laser beam (14) is moved over the cardboard (12) along a desired folding line (24) such that an upper layer of the cardboard (12) is ablated without cutting through the cardboard (12), wherein the laser beam (14) is adjusted such that the laser beam (14) is focused below the cardboard (12).
A positioning assembly (30) for positioning a sheet material, especially at an entry portion of a sheet material processing machine, is described. It comprises a support beam (32) on which at least a portion of a sheet material to be positioned can be placed and a plurality of clamping fingers (38). The support beam (32) is 5coupled to a drive unit (60) configured for translationally moving the support beam (32) along a travelling direction (y) of the sheet material, translationally moving the support beam (32) along a direction (x) transverse to the travelling direction (y) and rotationally moving the support beam (32) with respect to a pivot axis (z) being perpendicular to the traveling direction (y) and the transverse direction (x). Each of 10the clamping fingers (38) is coupled to an individual clamping finger actuation unit (40). Moreover, a sheet material processing machine comprising such a positioning assembly (30) is presented.
B65H 7/08 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect front register
B65H 7/10 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
B65H 9/10 - Pusher or like movable registersPusher or gripper devices which move articles into registered position
B65H 9/12 - Registering, e.g. orientating, articlesDevices therefor carried by article grippers
10.
SHEET MATERIAL PROCESSING TOOL, SHEET MATERIAL PROCESSING STATION, AND SHEET MATERIAL PROCESSING MACHINE
A sheet material processing tool (14), especially a cardboard or paper processing tool, is described. It comprises a carrier frame (26), having a front frame member (28) extending substantially perpendicular to a processing direction (P) for a sheet material to be processed, a rear frame member (30) extending substantially parallel to the front frame member (28), a first lateral frame member (32) connecting corresponding first ends (28a, 30a) of the front frame member (28) and the rear frame member (30) and a second lateral frame member (34) connecting corresponding second ends (28b, 30b) of the front frame member (28) and the rear frame member (30). Furthermore, a first multi-purpose interface (54) is provided for selectively connecting a first tool element for processing the sheet material to the carrier frame (26). Additionally, a sheet material processing station is presented. It comprises a support structure, wherein a sheet material processing tool (14) is connected to the support structure. Moreover, a sheet material processing machine having such a sheet material processing station is explained.
B26D 1/06 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
B26D 7/26 - Means for mounting or adjusting the cutting memberMeans for adjusting the stroke of the cutting member
11.
SHEET MATERIAL PROCESSING UNIT AND METHODS FOR ASSESSING AN ALIGNMENT
A sheet material processing unit (10) is described. It comprises an upper tool (18) and a lower tool (14), wherein the upper tool (18) and the lower tool (14) are configured to interact with each other in order to process sheet material (26). Furthermore, a camera unit (40) is provided which is arranged such that it is able to simultaneously capture a portion of the upper tool (18) comprising a first opening (28) and a portion of the lower tool (14) lying behind the first opening (28) for aligning the tools (14, 18). The sheet material processing unit (10) additionally comprises a first and a second set of light sources which are distinct from one another and are configured for subsequently illuminating the portions to be captured. Moreover, methods for assessing an alignment of the upper tool (18) with respect to the lower tool (14) and with respect to the sheet material (26) are presented.
B26D 5/00 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
B26D 7/18 - Means for removing cut-out material or waste
B26D 7/26 - Means for mounting or adjusting the cutting memberMeans for adjusting the stroke of the cutting member
G01B 11/27 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing the alignment of axes
12.
GRASPING SYSTEM AND METHOD FOR INSERTING SEPARATION SHEETS IN A RECEPTACLE
The invention relates to grasping system comprising a grasping head (15) for a sheet transporting device, in particular for transporting an insert sheet to be inserted between rows of folding boxes in a receptacle, the grasping head (15) having at least one support frame (80) and a plurality of aspiration elements (17, 18). The aspiration elements (17, 18) are mounted on holding elements (50) which are received on the support frame (80) so as to be displaceable with respect to the support frame (80).
B31B 50/00 - Making rigid or semi-rigid containers, e.g. boxes or cartons
B31B 70/00 - Making flexible containers, e.g. envelopes or bags
B65B 5/10 - Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
B65B 61/20 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents
B65B 61/22 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents for placing protecting sheets, plugs, or wads over contents, e.g. cotton-wool in bottles of pills
B65H 3/08 - Separating articles from piles using pneumatic force
13.
DEVICE FOR MOUNTING A TOOLING BOARD IN A FLAT BED DIE-CUTTING, STRIPPING OR BLANKING MACHINE
A mounting device (12) for mounting a tooling board (14) in a flat bed die-cutting, stripping or blanking machine comprises at least one first clamping jaw (38) which is moveable from an unlocked position, in which a tooling board (14) may be removed from or inserted into the machine, to a locked position, in which a tooling board (14) may be fixed in the machine, at least one actuator (18) which comprises a moveable piston (54) and a piston rod (56) coupled to the piston (54), wherein the actuator (18) is configured to transfer the at least one first clamping jaw (38) from the locked position to the unlocked position, and wherein the actuator (18) is coupled to the at least one clamping jaw (38) via an attachment point (60) which has a fixed position relative to the first clamping jaw (38). Furthermore, a mounting assembly (10) comprising a mounting device (12) is provided.
A tool insert for a machine, in particular a cutting, punching and/or folding machine, is disclosed. The tool insert (24) has an identification element (38) comprising tool information about the type of the tool insert (24) and/or about the area of application of the tool insert (24). The identification element (38) is machine-readable such that the tool information is transmitted to the machine when the machine reads out the identification element. Further, a machine, a machine system and a method for operating a machine are disclosed.
B26D 5/00 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
B31B 50/00 - Making rigid or semi-rigid containers, e.g. boxes or cartons
A centring block (12) for centring a tooling board (14) in a flatbed die-cutting, stripping or blanking machine is provided, the tooling board (14) having a protruding alignment element (30), comprising a first clamp (24) and a second clamp (26) which are arranged adjacent to each other to define a reception space (28) between them and which are mounted linearly moveable separately from each other in a direction perpendicular to a main extension plane of the tooling board (14) and at least one biasing means (34) which is configured to bias the first and the second clamps (24, 26) towards an aligning position against the tooling board (14), wherein each of the clamps (24, 26) comprises a stop portion (31) for restricting a movement of the tooling board (14) in an insertion and an opposite direction and to fix the tooling board (14) is in a centre position. Furthermore, a centring assembly (10) comprising a centring block (12) is provided.
A holographic foil supplying device for a hot foil stamping machine has a reel (26) for holographic foil (20), an advancement system (24) for advancing the holographic foil (20) along a movement path (P) in a feeding direction (F) and a frame (22) supporting the reel (26) and the advancement system (24), wherein the frame (22) comprises a mount (30) for mounting the holographic foil supplying device (18) to the hot foil stamping machine. Further, a hot foil stamping machine is shown.
The invention relates to a method for checking the quality of a product (1) comprising at least two cardboard portions (2) connected to each other such that a slot (10) extends between the cardboard portions from one side of the product (1) to the opposite side, with the slot (10) being expected to extend perpendicularly with respect to an outer edge of the product (1), comprising the steps of: - capturing a 2D image of the slot (10) at one side of the product (1) and of the slot at the opposite side of the product, - analyzing the images so as to recognize the slot (10), - comparing the positions of the slot of one product at the opposite sides, - making a determination whether or not a difference between the positions is within a predefined range of tolerance. The invention further relates to a machine for checking the quality of a product (1) made from at least two cardboard portions (2) connected to each other such that a slot (10) extends from one side of the product to the opposite side, with the slot being expected to extend perpendicularly with respect to an outer edge of the product, the machine comprising two cameras (304) adapted for capturing a 2D image in a stacking area for stacking the products, an image processing module (306) adapted for recognizing in the captured images the position of the slot on the two sides of the product, and an offset determination module (310) adapted for determining the amount of offset between the position of the slots at the opposite sides of the product.
According to the invention, the device comprises at least one flap spreading head (12a, 12b), the flap spreading head being vertically mobile for insertion thereof into a container (3) to be processed and including first and second flap spreading blades (1211, 1212) mounted on pivots and an actuator (1221, 1222). The actuator is adapted to command rotation of the flap spreading blades that on rotating come into contact with flaps (Rla, R1b) and bring about spreading thereof by folds toward the exterior of the container.
B65B 5/10 - Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 43/39 - Opening-out closure flaps clear of bag, box, or carton mouth
B65B 43/52 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up stateFeeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging positionLocating containers or receptacles at the filling positionSupporting containers or receptacles during the filling operation using roller-ways or endless conveyors
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
19.
GUIDE ROLLER AND TRANSPORT DEVICE COMPRISING SEVERAL ROLLERS
A roller for guiding a sheet (101) by friction, has a contact surface (2) intended to be in contact with the sheet (101), the contact surface (2) having, generally, a rotational shape when the roller (1) is at rest, a central portion (6) configured to mechanically connect the roller (1) to a rotational driving member, and a deformation portion (10) situated between the contact surface (2) and the central portion (6), the deformation portion (10) being configured to deform elastically when the roller (1) guides the sheet (101) by friction; the deformation portion (10) comprises at least one notch (12) extending from the contact surface (2) to the central portion (6), the notch (12) being arranged such that the deformation portion (10) comprises at least one elastically deformable segment (16).
B31F 1/28 - Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders combined with uniting the corrugated webs to flat webs
B65H 27/00 - Special constructions, e.g. surface features, of feed or guide rollers for webs
20.
MODULE FOR TURNING OVER FOLDING PACKAGES AND FOLDING PACKAGE PRODUCTION LINE INCORPORATING SUCH A MODULE
The module (3) comprises a frame having vertical pillars (30A, 30B), a rotary turnover structure (4) arranged horizontally between the vertical pillars and comprising rotation shafts (400A) supported by bearings (300A) with which the vertical pillars are respectively equipped. A motor (303B) applies a first mechanical torque to one of the rotation shafts when a folding package turnover is ordered in the machine. The module also comprises additional means (5) for applying a second mechanical torque to the other rotation shaft upon a folding package turnover.
B65H 29/12 - Delivering or advancing articles from machinesAdvancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands
B65H 33/12 - Forming counted batches in delivery pile or stream of articles by creating gaps in the stream
21.
DOUBLE-ENDLESS-BELT CONVEYOR, TURNOVER MODULE INCORPORATING SUCH A CONVEYOR AND FOLDING PACKAGE PRODUCTION LINE INCORPORATING SUCH A MODULE
The conveyor comprises two single-transport-belt conveyor subassemblies (42AL, 42AH) arranged facing each other symmetrically relative to a pinching plane of the conveyor (42A), two sets of rollers (423L, 423H) incorporated in the two conveyor subassemblies and distributed on either side of the pinching plane. A first set of rollers (423L) guides a belt (420AL) of the first conveyor subassembly and a second set of rollers (423H) guides a belt (420AH) of the second conveyor subassembly. The conveyor subassemblies comprise sets of vertically arranged jacks (424L, 424H) which are associated with the sets of rollers, each of the rollers being mounted on a dedicated respective jack.
B65H 5/02 - Feeding articles separated from pilesFeeding articles to machines by belts or chains
B65H 7/00 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
B65H 29/12 - Delivering or advancing articles from machinesAdvancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands
22.
SURFACE INSPECTION SYSTEM AND SURFACE INSPECTION METHOD
The invention relates to a surface inspection system (10) for inspecting the surface of sheet elements (4) present in an inspection area (20), comprising an image evaluation unit (18), a camera (12), a dark-field illuminator (14) and a bright- field illuminator (16), the image evaluation unit (18) is adapted for subtracting a line image captured under bright-field illumination conditions from a line image captured under dark-field illumination conditions. The invention further relates to a method of identifying highly reflective surface areas on a sheet element (4) being moved through a sheet element processing machine, wherein first a line image (I16) of the surface of the sheet element (4) in the viewing area (20) is being captured under bright-field illumination conditions and a line image (I14) of the same surface of the sheet element (4) in the viewing area (20) is being captured under dark-field illumination conditions, and wherein then the two line images (I14, I16) are being compared, in particular subtracted from each other, wherein the surface is identified as being reflective if the difference (Sn) between the two line images (I14, I16) is above a predefined threshold.
The invention relates to an image capturing system (10), and to a corresponding method, for determining the position of an embossed structure (30) on a sheet element (4) moved though a viewing area (18), comprising a camera (12) adapted for capturing a line image of the surface of the sheet element (4) in the viewing area (18), and an illumination unit (14) with a plurality of light sources (20, 21,...) each adapted for illuminating the viewing area (18), the light sources (20, 21,...) being arranged at different inclinations with respect to the viewing area (18), and an image evaluation unit (16) adapted for determining an inclination-related parameter for the surface of the sheet element (4) in the viewing area (18) across the viewing area (18).
The invention relates to a quality control station (2) for a sheet element processing machine, having at least one camera (6) arranged for capturing images of sheet elements (4) transported through the quality control station (2), and further having an illumination unit (5) with at least one light emitter (16) and two reflectors (12, 14), the illumination unit (5) being adapted for directing light onto a viewing area of the camera (6) such that the illumination intensity is constant despite changing media thickness. The invention further relates to an illumination unit for such quality control station.
The invention relates to a register for a processing machine for processing plate elements. The register includes a gripping element, an actuator module for driving the gripping element, and frontal correction and pre-correction sensor modules. The frontal pre-correction sensor module is upstream of the frontal correction sensor module in the longitudinal direction. The frontal pre-correction sensor module is configured to detect the passage of a front transversal edge of the plate element in at least two longitudinally spaced lateral axis of detection, one located in front of the other, andto provide measurements to a computation and control unit of the processing machine. The processing machine is configured to control the actuator module to move the gripping element toward a gripper bar and to activate the gripping element in order to grasp a plate element. A processing machine with the register and an associated method are also disclosed.
B65H 7/08 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect front register
B65H 7/10 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
B65H 7/14 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
B65H 9/10 - Pusher or like movable registersPusher or gripper devices which move articles into registered position
B65H 9/12 - Registering, e.g. orientating, articlesDevices therefor carried by article grippers
26.
VIBRATING DEVICE FOR THE ORDERED REARRANGEMENT OF FOLDING BOXES IN A CONTAINER, DISCHARGING CONVEYOR AND METHOD FOR DISCHARGING CONTAINERS
A vibrating device for the ordered rearrangement of folding boxes in a receptacle for an evacuation conveyor is disclosed. The vibrating device includes: a movable support able to support a receptacle loaded with folding boxes, the support having a contact surface configured to be in contact with the receptacle; and at least two controllable actuators able to displace the support between a retracted position in which the contact surface is positioned beneath the horizontal transport plane, allowing a contact between the receptacle and the driving elements, and a deployed position in which the contact surface is positioned above the horizontal transport plane, preventing the contact between the receptacle and the driving elements. The at least two actuators are configured to cause the support to vibrate and to effect different travels to impart inclination movements to the lifted receptacle.
B65B 1/22 - Reducing volume of filled material by vibration
B65B 5/10 - Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 39/00 - Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
B65B 43/52 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up stateFeeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging positionLocating containers or receptacles at the filling positionSupporting containers or receptacles during the filling operation using roller-ways or endless conveyors
B65B 43/54 - Means for supporting containers or receptacles during the filling operation
B65B 61/24 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
B65B 61/28 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines
B65B 65/00 - Details peculiar to packaging machines and not otherwise provided forArrangements of such details
27.
HEAD FOR GRASPING AND FOLDING INSERT SHEETS, INSERTING DEVICE, FILLING STATION AND METHOD FOR GRASPING, FOLDING AND LOADING AN INSERT SHEET
A gripping head for folding an insert sheet comprises first and aspiration elements designed to grasp the insert sheet and a linear element on which the first aspiration element is mounted to slide. A controllable actuating mechanism displaces the first aspiration element by sliding it on the linear element into a position for grasping in which the first and second aspiration elements are positioned at a spacing from each other to grasp an insert sheet. The actuating mechanism comprises a controllable actuator and a system of connecting rods including a vertically movable transverse axle, connected to the controllable actuator, and a connecting rod. The first end of the connecting rod is pivotably connected to the transverse axle and the second end is pivotably connected to the first aspiration element. The first and second aspiration elements slide toward each other to enables the folding of the insert.
B65B 5/10 - Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 41/06 - Feeding sheets or wrapper blanks by grippers by suction-operated grippers
B65B 43/10 - Forming three-dimensional containers from sheet material by folding the material
B65B 43/18 - Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
B65B 43/46 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up stateFeeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging positionLocating containers or receptacles at the filling positionSupporting containers or receptacles during the filling operation using grippers
B65B 43/52 - Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up stateFeeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging positionLocating containers or receptacles at the filling positionSupporting containers or receptacles during the filling operation using roller-ways or endless conveyors
B65B 61/20 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents
B65B 61/22 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for adding cards, coupons or other inserts to package contents for placing protecting sheets, plugs, or wads over contents, e.g. cotton-wool in bottles of pills
B65G 47/91 - Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
B65H 5/08 - Feeding articles separated from pilesFeeding articles to machines by grippers, e.g. suction grippers
A quality control station (2) for a sheet element processing machine, having at least one camera (6) arranged for capturing images of sheet elements (4) transported through the quality control station (2), and further having a camera calibration system (10), the camera calibration system (10) having a target holder (12) adapted for holding an optical target (14), and a drive (15) for the target holder (12), the drive (15) being adapted for displacing the target holder (12) between a rest position in which it is outside of the viewing area (7) of the camera (6), and a calibration position in which it is arranged in the viewing area (7) of the camera (6).
B65H 7/14 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
G01N 21/27 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
29.
METHOD OF ALIGNING AN UPPER AND A LOWER CHANGEABLE TOOL, AND DEVICE FOR PROCESSING WORKPIECE SHEETS
In a method of aligning an upper and a lower changeable tool (2, 10, 18) in a device for processing, e.g., sheets of paper, provision is made that with the aid of at least one digital camera (50, 51 ), the upper changeable tool (2) is aligned with a sheet that has been moved in and the lower changeable tool (18) is aligned relative to the upper changeable tool (2) after the sheet has been moved out.
A device for processing workpiece sheets, in particular for processing sheets of paper, cardboard or plastic for packaging, comprising a processing station through which the workpiece sheets are transported in succession, at least one changeable tool (2, 10, 18) that is specific to the processing and is moved against the sheet introduced in the processing station to process the sheet, at least one holder (11) on the device side for the changeable tool (2, 10, 18), the holder being adjustable for aligning the changeable tool (2, 10, 18), a central electronic control unit (37) for controlling the device, the control unit (37) having a memory for storing specific setting position data for each individual specific changeable tool (2, 10, 18), electronic digital sensors (36) for determining the current position of the holder (11), which are coupled to the control unit (37), and digital display devices (38) that are coupled to the control unit (37) and display the target position and the actual position of the holder (11) or of parts coupled thereto, or display the relation of the target position and the actual position for the individual specific changeable tool (2, 10, 18).
B31B 50/14 - Cutting, e.g. perforating, punching, slitting or trimming
B41F 19/06 - Printing and embossing between a negative and a positive forme after inking and wiping the negative formePrinting from an ink band treated with colour or "gold"
B44B 5/00 - Machines or apparatus for embossing decorations or marks, e.g. embossing coins
31.
A METHOD OF INSPECTING THE QUALITY OF BLANKS, IN PARTICULAR OF BLANKS TO BE PROCESSED INTO PACKAGING MATERIAL, AND QUALITY INSPECTION SYSTEM
The invention provides a method of inspecting the quality of blanks (2n), in particular of blanks (2n) to be processed into packaging material, comprising the following steps: A carrier (1) with a plurality of blanks (2n) is supplied. Each blank (2n) is identified in accordance with its position (n) on the carrier (1), and a scanned image (Sn) of each blank (2) is obtained, and each scanned image (Sn) is compared with a reference image (Rn) associated with the specific position (n) of the blank (2n) from which the image was taken. Based on the result of the comparison, the respective blank (2n) is accepted or rejected. Furthermore, the invention provides a quality inspection system (10) comprising a digital imaging unit (12) for scanning images of blanks (2n) on a sheet (1), a unit (16) for generating individual reference images for each blank, a storage (18) for storing the individual reference images (Rn), and a comparator (20) for comparing scanned images (Sn) of a blank with the individual reference image (Rn) for this blank (2n).
The invention relates to a chain tensioner that makes it possible to vary the tension of the chain sets as a function of the machine angle, thereby making it possible to compensate for the vibrations of the chain sets as a function of the requirements, in particular as a function of the acceleration and deceleration phases of the chain sets. This makes it possible to greatly increase the service life of the chain sets by reducing their wear. The chain tensioner thus makes it possible to guarantee the precision of the positioning of the gripper bars throughout the machine cycle. It is additionally more robust and more compact than the belt systems of the prior art.
B65G 23/44 - Belt- or chain-tensioning arrangements
B65H 29/04 - Delivering or advancing articles from machinesAdvancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
33.
ORGANE EJECTEUR ET MACHINE DE TRAITEMENT D'ELEMENTS EN FORME DE FEUILLES
The invention relates to an ejector member (2) for evacuating sheet waste on the fly from a machine for processing sheet-form elements (1), comprising a comb (4) having a plurality of teeth (10), characterized in that the comb (4) is configured to be able to take up a first, low-speed position and at least one second, high-speed position, the centre of the comb (4) being set back from the lateral ends of the comb (4) in the second, high-speed position, the centre of the comb (4) being set back further in the second, high-speed position than in the first, low-speed position. The invention also relates to a machine for processing sheet-form elements comprising such an ejector member.