Abstract

The invention relates to a method for producing electrode mixtures from various substances, specifically from active material with a mass fraction wi, optionally additives with a mass fraction w 2 and binders with a mass fraction w 3, where w 1 and w 3 are each > 0%, w 2 is $\geq$ 0% and w 1, w 2 and w 3 are each < 100 %, said method having the following steps: 1) filling the active material and a first percentage fraction pai of the additives and/or a first percentage fraction pbi of the binders into a container, where 0% ≤ P a1 ≤ 100% and 0% ≤ P b1 ≤ 100%, however where either 0% < P a1 or 0% < P b1 , A) introducing a first mechanical power P 1 into the substances received in the container, by means of shearing forces or impact forces, 2) filling a second percentage fraction P a2 of the additives and/or a further percentage fraction P b2 of the binders into the container, where $0\% \le P$ a2 $\le < 100\% - P$ a1 and $0\% \le P$ b2 $\le 100\% - P$ b1, B) introducing a second mechanical power P 2 into the substances received in the container, by means of shearing forces or impact forces, during a second time interval T 2 in order to create a second mixture, where P 2 > P 1 . and W) repeating steps A) and B) as long as binders and optionally additives have not yet been fully introduced, wherein between step A) and B), step K) filling a further percentage fraction p ak of the additives and/or a further percentage fraction p bk of the binders into the container is carried out, wherein in the first repetition k=3 and after each repetition k is increased by 1, and (I) and (II).

IPC Classes  ?

• B01F 23/50 - Mixing liquids with solids
• B01F 23/53 - Mixing liquids with solids using driven stirrers
• B01F 23/57 - Mixing high-viscosity liquids with solids
• B01F 29/81 - Mixers with rotating receptacles rotating about a substantially vertical axis with stationary mixing elements
• B01F 29/83 - Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
• B01F 35/22 - Control or regulation
• B01F 35/222 - Control or regulation of the operation of the driving system, e.g. torque, speed or power of motorsControl or regulation of the position of mixing devices or elements
• B01F 35/33 - TransmissionsMeans for modifying the speed or direction of rotation
• B01F 35/71 - Feed mechanisms
• B01F 35/75 - Discharge mechanisms
• B01F 35/90 - Heating or cooling systems
• B01F 35/92 - Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
• H01M 4/139 - Processes of manufacture
• H01M 4/1399 - Processes of manufacture of electrodes based on electro-active polymers
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers

Abstract

The present invention relates to a mixing shaft having a tool holder rotatable about a tool axis and at least one mixing blade, wherein the tool holder comprises at least one recess in which a mixing blade portion of the at least one mixing blade is received, wherein a clamping member inserted into the recess is configured to fix the mixing blade portion in the recess, wherein the recess comprises a first and a second recess portion, wherein the mixing blade portion is arranged in the first recess portion and the clamping member is arranged at least partly in the second recess portion, characterized in that the first recess portion and the second recess portion are arranged adjacently in one plane extending perpendicularly to the tool axis.

IPC Classes  ?

• B01F 27/07 - Stirrers characterised by their mounting on the shaft
• B01F 27/072 - Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
• B01F 27/1121 - Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades pin-shaped
• B01F 27/191 - Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
• B01F 27/2121 - Mixers with rotary stirring devices in fixed receptaclesKneaders characterised by their rotating shafts composed of interconnected parts
• B01F 35/10 - Maintenance of mixers

Abstract

The present invention concerns a mixer comprising a mixing container held in a machine stand, with an outlet opening in the bottom of the mixing container, and a closure cover which can be reciprocated between a closed position in which the closure cover closes the outlet opening and an opened position in which the closure cover does not close the outlet opening. To provide a mixer whose emptying opening can be easily opened and closed and in which the risk of soiling of the drive of the closure cover is markedly less it is proposed according to the invention that the closure cover is connected to the machine stand by way of a four-bar linkage comprising four rotary joints, wherein a first and a second rotary joint of the four-bar linkage are arranged on the closure cover and a third and a fourth rotary joint of the four-bar linkage are arranged on the machine stand

IPC Classes  ?

• B01F 29/80 - Mixers with rotating receptacles rotating about a substantially vertical axis
• B01F 35/45 - Closures or doors specially adapted for mixing receptaclesOperating mechanisms therefor

Abstract

The invention concerns a mixing device comprising a container (1) for receiving mixing material, with an emptying opening (5) being arranged in the bottom thereof, and a closure cover (6', 6") for closing the emptying opening (5). To provide a mixing device whose emptying opening (5) can be easily and space-savingly opened and closed it is proposed according to the invention that the closure cover (6', 6") comprises two closure cover portions (6', 6") which can be reciprocated relative to each other between a closed position in which the two closure cover portions (6', 6") are in contact with each other and together form the closure cover (6', 6") and an opened position in which the two closure cover portions (6', 6") are spaced from each other so that an opening is formed between the two closure cover portions (6', 6") for removal of the mixing material from the container (1).

IPC Classes  ?

• B01F 27/093 - Stirrers characterised by the mounting of the stirrers with respect to the receptacle eccentrically arranged
• B01F 29/80 - Mixers with rotating receptacles rotating about a substantially vertical axis
• B01F 33/82 - Combinations of dissimilar mixers
• B01F 35/45 - Closures or doors specially adapted for mixing receptaclesOperating mechanisms therefor
• B01F 35/75 - Discharge mechanisms
• B08B 3/02 - Cleaning by the force of jets or sprays

Abstract

The invention relates to a mixing device with a container (1) which can be rotated about a container axis for receiving mixing material and the base of which is equipped with an emptying opening (7), a rotatable mixing tool which is arranged in the interior of the container, and a closure element (13) for closing the emptying opening (7). The closure element can be pivoted about a pivot axis (14) in order to open and close the emptying opening (7), and the closure element has an inner surface which is arranged within the container when the emptying opening (7) is closed, an outer surface which is arranged outside of the container when the emptying opening (7) is closed, and an edge surface which is arranged opposite an edge surface of the emptying opening (7) when the emptying opening (7) is closed. The aim of the invention is to provide a mixing device of the aforementioned type which allows a transfer of the mixing material via a comparably small cross-section. According to the invention, this is achieved in that the closure element, the emptying opening (7), and the pivot axis are designed and arranged such that a point on the inner surface or the edge surface of the closure element, said point being arranged farthest away from the pivot axis, defines a circle during the pivoting movement, wherein the closure element is arranged within the circle, and the edge surfaces of the emptying opening (7) are arranged outside of the circle.

IPC Classes  ?

• B01F 29/83 - Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
• B01F 35/222 - Control or regulation of the operation of the driving system, e.g. torque, speed or power of motorsControl or regulation of the position of mixing devices or elements
• B01F 35/45 - Closures or doors specially adapted for mixing receptaclesOperating mechanisms therefor
• B01F 35/60 - Safety arrangements
• B01F 35/75 - Discharge mechanisms

Abstract

The present invention relates to a mixing device (1) comprising a mixing container (2) for receiving mixing material, which container can be rotated about a first axis of rotation (18) and has a mixer opening (4), and comprising a mixer lid (6) which can be reciprocally moved between an open position and a closed position, the mixer lid (6) closing the mixer opening (4) in the closed position and exposing the mixer opening (4) in the open position, a machine stand (16) being provided in which the mixing container (2) is rotatably mounted and to which the mixer cover (6) is fastened such that, in the closed position of the mixer cover (6), the mixing container (2) can be rotated about the first axis of rotation (18) relative to the mixer cover (6), and a drive (11) preferably being located on the machine stand (16) and being provided for driving a rotary movement of the mixing container (2) about the first axis of rotation (18). In order to provide a mixing device (1) having an angle of inclination which can be particularly easily set by the user and which can be particularly easily cleaned and inspected by the user, according to the invention the machine stand (16) has a stationary element and a pivot element (8), the pivot element (8) being pivotably mounted about a pivot axis (20) relative to the stationary element, the mixing container (2) being rotatably mounted on the pivot element (8), and the mixer cover (6) being fastened to the pivot element (8).

IPC Classes  ?

• B01F 29/64 - Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with stirring devices moving in relation to the receptacle, e.g. rotating
• B01F 29/83 - Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
• B01F 35/32 - Driving arrangements
• B01F 35/45 - Closures or doors specially adapted for mixing receptaclesOperating mechanisms therefor
• B01F 35/75 - Discharge mechanisms

Abstract

The invention relates to a converting device for converting a linear movement in a stationary system into a rotational movement about a pivot axis (9) in a system which rotates about a rotational axis (8), wherein the pivot axis (9) and the rotational axis (8) are not identical and do not run parallel to each other. The converting device has a lifting element and a lifting device (12, 13), by means of which the lifting element can be moved in a translational manner relative to the stationary system, and the lifting element has a first (14) and a second lifting element part (15) which are connected together via a rotary bearing (16) such that the first lifting element part (14) can be rotated relative to the second lifting element part (15) about the axis of the rotary bearing (16). The two parts of the lifting element (14, 15) are connected together in a formfitting manner in the direction of the translational movement of the lifting device (12, 13). The first lifting element part (14) is connected to the lifting device (12, 13), and the second lifting element part (15) is connected to the converting device. The converting device is connected to a shaft (19, 19', 19") positioned on the pivot axis (9) such that a linear movement of the second lifting element part is converted into a rotational movement of the shaft (19, 19', 19") about the pivot axis (9).

IPC Classes  ?

• B01F 29/80 - Mixers with rotating receptacles rotating about a substantially vertical axis
• B01F 35/32 - Driving arrangements
• B01F 35/45 - Closures or doors specially adapted for mixing receptaclesOperating mechanisms therefor
• B01F 35/75 - Discharge mechanisms
• F16H 25/18 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions

Abstract

The invention relates to a mixing device comprising a mixing container (1) for receiving material to be mixed and a mixer cover (12), wherein a first seal (5) is provided between the mixing container (1) and mixer cover (12). In order to provide a mixing device which at least reduces the described disadvantages, according to the invention, a second seal (6) is provided and the first and the second seal (5, 6) are arranged in such a way that a first air space (11) is formed between the first and the second seal (5, 6).

IPC Classes  ?

• F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips

Abstract

The invention relates to a mixer comprising a mixing container having and outlet opening, comprising a closure cover, which can be moved back and forth between a closed position, in which the closure cover closes the outlet opening, and an open position, in which the closure cover uncovers the outlet opening so that mixture can be removed from the mixing container via the outlet opening, comprising at least one cleaning nozzle to clean the closure opening and/or a mixture outflow region arranged outside the mixing container, and comprising a liquid feed to feed cleaning fluid to the at least one cleaning nozzle. In order to provide a mixer and a method for enabling cost-effective, efficient, simple and operationally reliable cleaning of the mixture outflow region and of the closure opening, at least one cleaning nozzle is fastened to the closure cover such that it is moved together with the closure cover.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays
• B08B 9/00 - Cleaning hollow articles by methods or apparatus specially adapted thereto
• B08B 9/08 - Cleaning of containers, e.g. tanks
• B65D 90/62 - Gates or closures having closure members movable out of the plane of the opening

Abstract

The present invention concerns a mixing shaft comprising a tool holder and a mixing blade, wherein the tool holder has a recess in which a portion of the mixing blade is fixed. To provide a simple mixing shaft, there is proposed a clamping portion fitted into the recess for fixing the mixing blade portion in the recess, wherein the clamping portion, the recess and the mixing blade portion are of such a configuration that a force-locking connection of the mixing blade in the recess is implemented by means of the clamping portion.

Abstract

The present invention concerns a casting sand cooler comprising a sand chamber having an air inlet optionally with a fan for the feed of air into the sand chamber and an air outlet optionally with a fan for sucking air out of the sand chamber. To provide an improved casting sand cooler in which the sand discharge during the cooling operation by way of the air outlet is markedly reduced, it is proposed according to the invention that a dynamic wind sifter which is rotatable about an axis and which is so arranged that substantially the complete air flow leaving the sand chamber through the air outlet is passed through the dynamic wind sifter.

IPC Classes  ?

• B07B 7/083 - Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
• B22C 5/08 - Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
• B22C 5/18 - Plants for preparing mould materials
• B22C 9/02 - Sand moulds or like moulds for shaped castings

Abstract

The invention relates to a device (1) for reprocessing and cooling foundry sand, comprising a mixing container (2) and a mixing tool that can be rotated about a drive shaft (4), wherein an air feed (7) is provided for feeding air into the container interior. The problem addressed by the invention is that of providing an improved device by means of which a more uniform fluidized bed is achieved, preferably over the entire cross-section of the mixing container, wherein furthermore the proportion of the solid particles entrained by the gas flow should be reduced. This problem is solved, according to the invention, in that the mixing tool has at least two mixing vanes (8) spaced apart from each other in the vertical direction and at least one mixing vane has a mixing blade having a surface that is angled with respect to the horizontal.

IPC Classes  ?

• B22C 9/02 - Sand moulds or like moulds for shaped castings
• B22C 9/12 - Treating moulds or cores, e.g. drying, hardening

Abstract

The present invention relates to a granulating and/or agglomerating tool for a granulating and/or agglomerating device with a fastening shaft and a substantially disk-shaped element with a diameter d which is fastened thereto and has an upper surface, a lower surface and a circumferential surface connecting the upper and the lower surface. In order to provide a granulating and/or agglomerating tool for a granulating and/or agglomerating device and a corresponding granulating and/or agglomerating device and a method for granulating or agglomerating with which the desired granulating or agglomerating result can be obtained very much faster and above all with a significantly finer granulated material with a significantly higher yield in the range of from 0.1 to 0.8 mm, it is proposed according to the invention that the circumferential surface exhibits a plurality of essentially V-shaped grooves running parallel to the axis of the shaft.

IPC Classes  ?

• B01J 2/10 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
• B01J 2/12 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums

Abstract

The present invention relates to a mixing device, comprising a vessel for receiving material for mixing, which can be rotated about a vessel axis and has a discharge opening (14) disposed in the base thereof, a mixing tool (2) disposed in the interior of the vessel, and a closure lid for closing the discharge opening, wherein the vessel base and/or the closure lid are provided with a wear-resistant lining on the side facing the interior of the vessel. In order to provide a mixing device having a wear-resistant lining which is less prone to wear, and in the event of wear can be replaced more easily and above all more cost-effectively, according to the invention the wear-resistant lining consists of a main lining part (31) and a wear element (28), wherein the wear element (28) is disposed closer to the vessel axis than the main lining part (31).

IPC Classes  ?

• B65D 90/62 - Gates or closures having closure members movable out of the plane of the opening
• F16K 1/16 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members

Abstract

The present invention relates to a mixer with a mixing container and a tool shaft (8) which isarranged at least partly in the mixing container and has a drive end and a working end for aworking tool (6), the tool shaft (8) being mounted on the drive end by means of two mutuallyset-apart tool bearings and a drive motor (7) being provided for the tool shaft (8). In order toprovide a mixer which is simple and economical to manufacture and has as few movable andwearing parts as possible and the tool shaft (8) of which is, in addition, able to accommodatethe considerable transverse forces occurring during operation, the invention proposes that thedrive motor (7) have a motor shaft which is mounted, at least on one side, by a tool bearing.

IPC Classes  ?

• B22C 5/04 - Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring

Abstract

The present invention concerns a mixing device having a preferably rotating container for accommodating material to be mixed, at least one mixing tool arranged in the interior of the container and a heating device for heating the material to be mixed. To provide a mixing device of the kind set forth in the opening part of this specification which permits the fastest possible heating of the material to be mixed, preferably also to temperatures higher than 200.degree.C, it is proposed in accordance with the invention that the container at least partially comprises an electrically conductive material and the heating device has at least one coil which can be excited by an electric alternating field and which is so arranged that eddy currents are produced in the electrically conductive material of the container by the magnetic field change which occurs when the current flow changes.

IPC Classes  ?

• B22C 5/18 - Plants for preparing mould materials
• H05B 6/02 - Induction heating