CN209896201U - Pole piece feeding module and laminating machine - Google Patents

Abstract

The utility model discloses a pole piece feeding module and a laminating machine, the pole piece feeding module comprises a pole piece taking assembly, the pole piece taking assembly comprises a first extracting piece, a second extracting piece, a first vertical driving piece and a first horizontal driving piece, the first vertical driving piece is used for driving the first extracting piece and the second extracting piece to move in the vertical direction so that the first extracting piece and the second extracting piece can respectively extract pole pieces from a feeding station and a positioning station, the first horizontal driving piece is used for driving the first extracting piece and the second extracting piece to synchronously move along the first horizontal direction so that the first extracting piece and the second extracting piece respectively move to the positioning station and a laminating station, the first extracting piece and the second extracting piece respectively place the extracted pole pieces in the positioning station and the laminating station under the driving of the first vertical driving piece, the first horizontal driving piece further drives the first extracting piece and the second extracting piece to return to the feeding station and the positioning station, above-mentioned technical scheme can improve lamination machine's production efficiency betterly.

Description

Pole piece feeding module and laminating machine

Technical Field

The utility model relates to an automation equipment technical field especially relates to a pole piece material loading module and lamination machine.

Background

The lithium battery cell can be manufactured by a winding or lamination process, wherein the lamination mode has a Z-shaped lamination process. However, the feeding efficiency of the existing Z-type lamination equipment is low, and further the production efficiency of the lamination is affected, so a scheme capable of solving the technical problem is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a can improve production efficiency's pole piece material loading module and lamination machine.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing a pole piece feeding module, which comprises a pole piece taking assembly, wherein the pole piece taking assembly comprises a first extracting piece, a second extracting piece, a first vertical driving piece and a first horizontal driving piece, the first vertical driving piece is used for driving the first extracting piece and the second extracting piece to move in the vertical direction so that the first extracting piece and the second extracting piece can respectively extract pole pieces from a feeding station and a positioning station, the first horizontal driving piece is used for driving the first extracting piece and the second extracting piece to synchronously move in the first horizontal direction so that the first extracting piece and the second extracting piece respectively move to the positioning station and a lamination station, and the first extracting piece and the second extracting piece respectively place the extracted pole pieces in the positioning station and the lamination station under the driving of the first vertical driving piece, the first horizontal driving piece further drives the first extraction piece and the second extraction piece to return to the loading station and the positioning station.

Further, the first extraction part comprises a plurality of vacuum chucks capable of adsorbing the pole pieces simultaneously;

the second extraction part is a vacuum adsorption plate, and the vacuum adsorption plate is used for adsorbing the end face of the pole piece is arranged to be a plane.

The pole piece feeding module further comprises a jacking assembly, wherein the jacking assembly is arranged at the feeding station and used for jacking the pole pieces in the material box of the feeding station to a preset height.

The pole piece feeding module further comprises a material box feeding assembly, a material box discharging assembly and a material box transverse moving assembly, the material box feeding assembly is used for feeding the material box loaded with the pole pieces to the feeding station along a second horizontal direction perpendicular to the first horizontal direction, and the material box transverse moving assembly is used for moving the material box which has taken the pole pieces by the piece taking assembly to the material box discharging assembly along the first horizontal direction so as to carry out discharging along the second horizontal direction.

The jacking assembly is arranged at the moving end of the magazine traverse assembly, the magazine is supported on the jacking assembly and moves synchronously under the driving of the magazine traverse assembly, or the magazine is supported on the moving end of the magazine traverse assembly and moves between the jacking assembly and the magazine discharging assembly under the driving of the magazine traverse assembly.

In order to solve the technical problem, the utility model discloses a technical scheme be: the lamination stacking machine comprises a lamination station, a positioning station, a feeding station, a lamination assembly, a pole piece feeding module and a diaphragm unwinding mechanism, wherein the lamination station, the positioning station and the feeding station are arranged at intervals in a first horizontal direction, and one positioning station and one feeding station are sequentially arranged on two sides of the lamination station;

the pole piece feeding module is arranged at the feeding station and the positioning station and used for feeding pole pieces to the lamination station, and the pole piece feeding module is the module;

the lamination assembly is arranged at the lamination station and used for laminating the pole piece of the pole piece feeding module to the pole piece of the lamination station to obtain a battery cell, and comprises a lamination platform for bearing the pole piece and the diaphragm, a second vertical driving piece for driving the lamination platform in the vertical direction and a pressing and holding assembly for pressing and holding the pole piece and the diaphragm on the lamination platform.

Furthermore, the membrane unreeling mechanism is arranged at the lamination station and comprises a clamping roller assembly used for clamping the membrane and a second horizontal driving piece driving the clamping roller assembly to move horizontally in the first horizontal direction or other horizontal directions, and the membrane is unreeled on the pole piece so as to form the battery cell through lamination.

The laminating machine further comprises a pole piece pressing and holding assembly, the pole piece pressing and holding assembly (80) comprises at least two groups of pressing claw groups which are oppositely arranged along the first horizontal direction, the pressing claw group comprises a third horizontal driving piece, a third vertical driving piece and two pressing claws which are oppositely arranged along a second horizontal direction vertical to the first horizontal direction, wherein the third horizontal driving member drives the two pressing claws to approach or separate from each other in the second horizontal direction, so that in the close state, the projections of the two pressure claws in the plane of the pole piece are positioned in the pole piece, and in a far state, the projections of the two pressing claws in the plane of the pole piece are positioned outside the pole piece, the third vertical driving piece drives the two pressing claws in the vertical direction, so that the two pressing claws in the close state press and hold the pole piece on the lamination platform.

The lamination machine further comprises a table top plate, a first supporting plate, a second supporting plate, a fourth vertical driving piece and a battery core blanking assembly, wherein the first supporting plate is vertically arranged on the table top plate, the second supporting plate is supported on the first supporting plate in a sliding mode in the vertical direction, a diaphragm unwinding mechanism is arranged on the first supporting plate and used for unwinding a diaphragm, the battery core blanking assembly is arranged on the second supporting plate, the fourth vertical driving piece drives the second supporting plate in the vertical direction relative to the first supporting plate to move up and down, and therefore the battery core blanking assembly is abutted to the lamination platform.

Still further, the lamination machine further comprises a third support plate vertically and fixedly arranged on the second support template;

the battery cell blanking assembly is arranged on the third supporting plate and used for blanking the battery cell formed on the lamination platform, the battery cell blanking assembly comprises a fourth horizontal driving piece and a clamping jaw, the fourth vertical driving piece drives the second supporting plate in the vertical direction, so that the clamping jaw is in butt joint with the lamination platform in the vertical direction, the fourth horizontal driving piece drives the clamping jaw to be close to and far away from the lamination platform in the first horizontal direction or other horizontal directions, and then the battery cell is clamped and blanked.

The utility model has the advantages that: be different from prior art's condition, the utility model provides a pole piece material loading module and lamination machine can realize being extracted the piece and remove at vertical direction by the first extraction piece of first vertical driving piece drive and second, in order to extract the pole piece on material loading station and location station respectively, extract the piece along first horizontal direction synchronous movement to corresponding location station and lamination station by the first extraction piece of first horizontal driving piece drive and second again, first vertical driving piece drives first extraction piece and second simultaneously and extracts the piece and place the pole piece at location station and lamination station respectively, realize removing the pole piece on two stations simultaneously, the efficiency of pole piece material loading has been improved, and then the holistic production efficiency of lamination machine has been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Wherein:

fig. 1 is a schematic structural diagram of an embodiment of a pole piece feeding module according to the present invention;

fig. 2 is a schematic structural diagram of a blade taking assembly in a pole piece feeding module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of a lamination stacking machine according to the present invention;

fig. 4 is a schematic structural view of another embodiment of a lamination stacking machine according to the present invention;

fig. 5 is a schematic structural diagram of a diaphragm unwinding mechanism in a lamination machine according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a pole piece pressing assembly in a lamination machine according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a cell blanking assembly in a lamination stacking machine according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an electric core obtained by laminating sheets by the laminating machine of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, in the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Please refer to fig. 1 and fig. 2 simultaneously, in which fig. 1 is a schematic structural diagram of an embodiment of a pole piece feeding module of the present invention, and fig. 2 is a schematic structural diagram of another embodiment of a pole piece feeding module of the present invention. In the present embodiment, the present invention provides a pole piece feeding module 100 including a sheet taking assembly 30.

The sheet taking assembly 30 includes a first extracting member 31, a second extracting member 32, a first vertical driving member 33 and a first horizontal driving member 34. The moving end of the first vertical driving member 33 is fixedly provided with a first extraction member 31 and a second extraction member 32, and the first vertical driving member 33 is used for driving the first extraction member 31 and the second extraction member 32 to move in the vertical direction, so that the first extraction member 31 and the second extraction member 32 can respectively extract pole pieces from the feeding station 3 and the positioning station 2.

Further, in an embodiment, the first vertical driving member 33 is used for driving the first extraction member 31 and the second extraction member 32 to synchronously move in the vertical direction, so that the first extraction member 31 and the second extraction member 32 can synchronously extract pole pieces from the feeding station 3 and the positioning station 2 respectively, and the first vertical driving member 33 is also used for driving the first extraction member 31 and the second extraction member 32 to simultaneously lower the workpieces to the corresponding stations when the first extraction member 31 and the second extraction member 32 respectively reach the positioning station 2 and the lamination station 1.

Still further, in yet another embodiment, the first vertical driving member 33 includes two sub-vertical driving structures for driving the first and second extractors 31 and 32, respectively, to achieve independent driving of the first and second extractors 31 and 32. It should be noted that the driving rhythm of the first extraction element 31 and the second extraction element 32 by the two sub-vertical driving structures is set following the driving rhythm of the first horizontal driving element 34 in the first horizontal direction.

The moving end of the first horizontal driving member 34 is fixedly provided with a first vertical driving member 33, the first horizontal driving member 34 is used for driving the first vertical driving member 33 and the first extraction member 31 and the second extraction member 32 connected with the first vertical driving member 33 to synchronously move along the first horizontal direction, so that the first extraction member 31 and the second extraction member 32 respectively move to the positions above the positioning station 2 and the lamination station 1, the first extraction member 31 and the second extraction member 32 further respectively place the extracted pole pieces on the positioning station 2 and the lamination station 1 under the driving of the first vertical driving member 33, and after the first extraction member 31 and the second extraction member 32 respectively place the pole pieces on the positioning station 2 and the lamination station 1, the first horizontal driving member 34 is further used for driving the first extraction member 31 and the second extraction member 32 to simultaneously return to the feeding station 3 and the positioning station 2. The first horizontal driving member 34 may be any one of an electric cylinder, a lead screw nut module, and a linear motor, and the first vertical driving member 33 may be any one of an electric cylinder, a lead screw nut module, and a linear motor.

With continued reference to fig. 2, further in an embodiment, the first extraction element 31 includes a plurality of vacuum suction cups 311 capable of simultaneously sucking the pole pieces. The second extraction element 32 is a vacuum adsorption plate, and the end face of the vacuum adsorption plate for adsorbing the pole piece is a plane. Wherein, in the present embodiment, set up first extraction member 31 as including a plurality of vacuum chuck 311 that can adsorb the pole piece simultaneously, can realize adsorbing the pole piece more accurately and stably, set up second extraction member 32 as the terminal surface that adsorbs the pole piece for planar vacuum chuck can avoid causing the pole piece after being fixed a position by locating component 20 to take place offset again in location station 2 department betterly.

Preferably, the first extraction member 31 is provided with 4 or 6 vacuum suction cups 311, and the 4 or 6 vacuum suction cups 311 are arranged in a rectangular shape to suck four corners or 6 corners of the pole piece. In other embodiments, when the first extraction member 31 includes an odd number of vacuum chucks 311, the vacuum chucks 311 are disposed based on the electrode sheet that can be stably attracted, for example, the vacuum chucks 311 can be arranged in a triangle shape according to the center of the vacuum chucks 311. It is understood that in other embodiments, the vacuum chuck 311 may be arranged in other shapes, which are not specifically listed here.

Still further, when the distance between the lamination station 1 and the positioning station 2 is set to be equal to the distance between the positioning station 2 and the sheet taking station 3, the distance between the first extraction part 31 and the second extraction part 32 is equal to the distance between the lamination station 1 and the positioning station 2 in the laminating machine, namely, the distance between the positioning station 2 and the sheet extraction station 3, the distance between the first extraction part 31 and the second extraction part 32 is equal to the distance between the lamination station 1 and the positioning station 2 and the distance between the positioning station 2 and the sheet extraction station 3, when the first extraction part 31 extracts the pole piece from the pole piece taking station 3, the second extraction part 32 extracts the pole piece which is positioned from the positioning station 2 at the same time, and when the first extraction part 31 and the second extraction part 32 move to the positions above the positioning station 2 and the lamination station 1 respectively, the first extraction part 31 and the second extraction part 32 descend at the same time and place the pole piece to the positioning station 2 and the lamination station 1 respectively.

In the embodiment corresponding to fig. 1, a pole piece feeding module is provided, which can drive a first extraction part and a second extraction part to synchronously move in the vertical direction by a first vertical driving part, so as to synchronously extract pole pieces from a feeding station and a positioning station, and then drive the first extraction part and the second extraction part to synchronously move to the positions above the corresponding positioning station and lamination station along the first horizontal direction by a first horizontal driving part, and drive the first extraction part and the second extraction part by the first vertical driving part simultaneously to place pole pieces at the positioning station and the lamination station respectively, so as to simultaneously move the pole pieces on the two stations, thereby improving the pole piece feeding efficiency and further improving the overall production efficiency of a lamination machine.

With continued reference to fig. 1, the pole piece feeding module 100 further includes a jacking assembly 40. The jacking assembly 40 is arranged at the feeding station 3 and used for jacking the pole pieces in the material box of the feeding station 3 to a preset height. Specifically, the jacking assembly 40 can be used for jacking the pole piece and the material box bearing the pole piece simultaneously, or only jacking the pole piece. In the pole piece feeding module 100 provided in the present embodiment, the pole piece in the material box is jacked to a set height by setting the jacking assembly 40, so that the pole piece can be extracted by driving the first extraction part 31 to descend to the set height by only the first vertical driving part 33, and the efficiency of extracting the pole piece from the feeding station 3 by the first extraction part 31 is better improved. The jacking assembly 40 may be a screw nut module.

Correspondingly, since the second extraction member 32 and the first extraction member 31 are both driven by the first vertical driving member 33, in order to match the moving stroke of the second extraction member 32 in the vertical direction, the end face of the positioning station 2 opposite to the first extraction member 31 or the second extraction member 32 is set to be a set height.

Further, because can bear the weight of half-finished product of electric core in lamination station 1 department, and because along with the process of lamination, half-finished product of electric core thickness can be more and more thick, also can understand for half-finished product of electric core highly more and more high, so for guaranteeing that second extraction piece 32 is all setting for highly placing the pole piece at every turn, so the utility model provides a structure on lamination station 1 in lamination machine 1000 can correspond the height-adjusting along with the change of half-finished product thickness of electric core, specifically, can highly realize controlling the highly keeping of half-finished product of electric core's the highest point of electric core through the adjustment and set for the height, and then realize guaranteeing that second extraction piece 32 all sets for highly placing pole piece to lamination subassembly 10 at every turn, specifically can refer to the explanation below.

Further, the pole piece feeding module 100 comprises a cartridge feeding assembly 60, a cartridge discharging assembly 70 and a cartridge traverse assembly 50. In the embodiment illustrated in fig. 1, the magazine feeding assembly 60 is disposed in a second horizontal direction perpendicular to the first horizontal direction, an output end of the magazine feeding assembly 60 is connected to the feeding station 3, and the magazine feeding assembly 60 is configured to feed the magazine loaded with the pole pieces to the feeding station 3 along the second horizontal direction perpendicular to the first horizontal direction. The second horizontal direction is an EF direction as indicated in fig. 1, wherein the magazine feeding assembly 60 feeds the magazine to the feeding station 3 along the direction indicated by EF. Wherein, magazine material loading/unloading subassembly can be for belt conveying subassembly drive, cylinder propelling movement subassembly drive.

The material box traversing assembly 50 is arranged at the position of the feeding station 3, which is opposite to the pole piece feeding end C, and the material box traversing assembly 50 is used for moving the material box, which has taken the pole piece by the piece taking assembly 30, to the material box feeding assembly 70 along a first horizontal direction CD illustrated in fig. 1 so as to feed the material box along a second horizontal direction GH. Therefore, in other embodiments, the magazine unloading assembly 70 may be disposed at the end of the loading station 3 opposite to the pole piece loading direction or directly disposed at the output end of the magazine traverse assembly 50 for delivering empty magazines. Wherein, the magazine traverse assembly 50 can be driven by a belt conveying assembly and a cylinder pushing assembly.

In the present embodiment, the jacking assembly 40 is disposed at the moving end of the magazine traverse assembly 50, the magazine is supported on the jacking assembly 40 and driven by the magazine traverse assembly 50 to synchronously reciprocate along the first horizontal direction CD, that is, after the first extraction member 31 finishes taking out the pole pieces from the magazine, the jacking assembly 40 and the empty magazine supported by the jacking assembly will move along the directions from C to D driven by the magazine traverse assembly 50 to transport the empty magazine to the magazine blanking assembly 70.

In another embodiment, when the material box is discharged, the lifting assembly 40 and the material box move independently, that is, the lifting assembly 40 and the material box traverse assembly 50 are independent, and the material box traverse assembly 50 is connected to the non-feeding end C side of the lifting assembly 40, the material box is directly supported on the moving end of the material box traverse assembly 50, and moves between the lifting assembly 40 and the material box discharging assembly 70 under the driving of the material box traverse assembly 50, so as to deliver the empty material box to the material box discharging assembly 70.

Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a lamination stacking machine according to the present invention. In the current embodiment, the lamination machine 1000 includes a lamination station 1, a positioning station 2, a feeding station 3, a lamination assembly 10, a pole piece feeding module 100, and a membrane unwinding mechanism 110. Wherein, lamination station 1, location station and material loading station 3 are set up at interval on first horizontal direction.

Wherein, a location station 2 and a material loading station 3 have been set gradually to the both sides of lamination station 1, as illustrated in fig. 3 promptly, in the both sides of lamination station 1 on the first horizontal direction, have set gradually location station 2 and material loading station 3 according to the direction of keeping away from lamination station 1, and correspondingly, be provided with locating component 20 on the location station 2, be provided with on the material loading station 3 and get piece subassembly 30.

The pole piece feeding module 100 is disposed at the feeding station 3 and the positioning station 2, and is configured to feed pole pieces to the lamination station 1, where the pole piece feeding module 100 is the pole piece feeding module 100 as shown in fig. 1 to fig. 2 and any corresponding embodiment thereof, and the structure of the pole piece feeding module 100 may refer to the above explanation, and is not described in detail herein.

The lamination assembly 10 is disposed at the lamination station 1, and is used for laminating the pole pieces fed to the lamination station 1 through the pole piece feeding module 100 to obtain a battery core. The lamination assembly 10 includes a lamination platform 11 for carrying the pole pieces and the diaphragm, a second vertical driving member 12 for driving the lamination platform 11 in the vertical direction, and a pressing assembly 80 for pressing and holding the pole pieces and the diaphragm on the lamination platform 11. Wherein the second vertical drive 12 may be a lead screw nut module.

Wherein, the interval of lamination station 1 and location station 2 and the interval of location station 2 and material loading station 3 and the matching setting of the piece that draws that corresponds. Further, in one embodiment, the spacing between the lamination station 1 and the positioning station 2 is equal to the spacing between the positioning station 2 and the loading station 3. It is understood that in other embodiments, the distance between the lamination station 1 and the positioning station 2 and the distance between the positioning station 2 and the loading station 3 may be set according to actual requirements. Wherein the first horizontal direction is a direction from a to B or B to a as illustrated in fig. 3.

Further, please refer to fig. 4 to fig. 5 in combination with fig. 3, wherein fig. 4 specifically shows a structural schematic diagram of a lamination machine disposed on the table 7, and fig. 5 specifically shows a structure of the membrane unwinding mechanism 110 in the lamination machine 1000. The lamination machine 1000 further comprises a membrane unwinding mechanism 110, and the membrane unwinding mechanism 110 is arranged on the first support plate 4 and used for unwinding the membrane. Wherein the second vertical driver 12 is used for driving the lamination platform 11 to move in the vertical direction, so that the height of the membrane carried on the lamination platform 11 by the lamination platform 11 under the driving of the second vertical driver 12 and closest to the second extraction member 32 is kept at a set height.

The membrane unwinding mechanism 110 is disposed above the lamination station 1, and includes a clamping roller assembly 111 for clamping the membrane 1013 and a second horizontal driving member 112 for driving the clamping roller assembly 111 to horizontally move in a first horizontal direction or other horizontal directions, the clamping roller assembly 111 is driven by the second horizontal driving member 112 to reciprocate between J, K and M, and then the membrane 1013 is unwound on the pole piece, so as to form the electrical core by lamination.

Further, in an embodiment, the membrane unwinding mechanism 110 further includes a sensing assembly (not shown) and a deviation rectifying assembly (not shown), the sensing assembly is configured to detect whether the membrane 1013 deviates from the set position, the deviation rectifying assembly is configured to drive the clamping roller assembly 111 to reciprocate in the set direction to rectify the membrane 1013 when the sensing assembly detects that the membrane 1013 deviates from the set position, wherein the sensing assembly is indirectly linked by the second horizontal driving member 112 in the membrane unwinding direction, the sensing assembly is independent from the clamping roller assembly 111 in the deviation rectifying direction, and the membrane unwinding direction and the deviation rectifying direction are perpendicular to each other.

Referring to fig. 6, fig. 6 is a schematic structural view of another embodiment of a lamination stacking machine according to the present invention. The lamination machine further comprises a pole piece pressing and holding assembly 80, wherein the pole piece pressing and holding assembly 80 comprises at least two groups of pressing claw groups (not marked) which are oppositely arranged along a first horizontal direction, and each pressing claw group comprises a third horizontal driving piece 82, a third vertical driving piece 83 and two pressing claws 81a and 81b which are oppositely arranged on two sides of the diaphragm along a second horizontal direction perpendicular to the first horizontal direction. The third horizontal driving element 82 drives the two pressing claws 81a and 81b to move close to or away from each other in the second horizontal direction, so that in the close state, the projections of the two pressing claws 81a and 81b in the planes of the pole pieces are positioned in the pole pieces carried on the lamination platform 11, and further the pressing claws 81a and 81b press against the surfaces of the pole pieces when descending. In the away state, the projections of the two pressing claws 81a and 81b in the plane of the pole piece are located outside the pole piece to achieve the effect of not interfering with the action of unwinding the membrane from the lamination or the action of blanking the cell, the third vertical driving member 83 drives the two pressing claws 81a and 81b in the vertical direction, so that the two pressing claws 81a and 81b in the close state press the pole piece on the lamination platform 11, and similarly, for the pressing claws 81c and 81d, the same third horizontal driving member 85 and the third vertical driving member 84 drive the pressing claws 81c and 81d to be close to or away from the lamination platform 11 to press the membrane or be away from the membrane.

Referring to fig. 4 again, the lamination stacking machine 1000 further includes a table plate 7, a first support plate 4, a second support plate 5, a fourth vertical driving member 1020 and a cell blanking assembly 90, wherein the fourth vertical driving member 1020 may be a screw nut module or an air cylinder. Wherein, magazine material loading subassembly 60 and magazine unloading subassembly 70 set firmly on the deck plate, first backup pad 4 sets up perpendicularly on deck plate 7, second backup pad 5 slides along vertical direction and supports on first backup pad 4, diaphragm unwinding mechanism 110 sets up on first backup pad 4, get piece subassembly (not shown in fig. 4), magazine sideslip subassembly 50 and electric core unloading subassembly 90 and set up on second backup pad 5, fourth vertical driving piece 1020 drives second backup pad 5 for first backup pad 4 up-and-down motion at vertical direction, and then makes electric core unloading subassembly 90 and get piece subassembly 30 and lamination platform 11 butt joint, electric core unloading subassembly 90 and lamination platform 11 butt joint are used for acquireing the electric core that the lamination gained, and then realize unloading to electric core. Wherein the deck plate 7 is a structure for carrying the whole laminator 1000.

Please refer to fig. 4, fig. 7 and fig. 8 simultaneously, fig. 7 is a schematic structural diagram of a battery cell blanking assembly in a lamination stacking machine according to an embodiment of the present invention, and fig. 8 is a schematic structural diagram of a battery cell obtained by lamination in the lamination stacking machine according to the present invention.

The lamination machine 1000 further includes a battery cell blanking assembly 90 disposed on the second support plate 5 for blanking the battery cell formed on the lamination platform 11. When lamination is accomplished to lamination assembly 10, battery core unloading subassembly 90 follows second backup pad 5 and moves in vertical direction in order to dock with lamination platform 11, and battery core unloading subassembly 90 is close to lamination platform 11 in the drive of fourth horizontal drive spare 93, and then realizes pressing from both sides and get the electric core and carry out the unloading of battery core.

The lamination machine 1000 further includes a third support plate 6. Third backup pad 6 sets firmly perpendicularly on second backup pad 5, and electric core unloading subassembly 90 sets up on third backup pad 6, and electric core unloading subassembly 90 includes fourth horizontal drive spare 93 and clamping jaw 91. Fourth vertical drive 1020 drives second support plate 5 in the vertical direction to make clamping jaw 91 dock with lamination platform 11 in the vertical direction, in order to obtain the electric core that bears on lamination platform 11, fourth horizontal drive 93 drives clamping jaw 91 in first horizontal direction or other horizontal directions and is close to or keeps away from lamination platform 11, and then presss from both sides and gets electric core 1010 and carry out the unloading of electric core. Wherein, fourth horizontal drive member 93 can be screw-nut group, electric jar etc, the utility model provides an among the lamination machine 1000, can be by positive plate material loading module 100 to 1 department of lamination station transport positive plate, carry the negative pole piece by negative pole piece material loading module 200 to lamination station 1, unreel diaphragm 1013 to lamination station 10 by diaphragm unwinding mechanism 110, obtain electric core 1010 by lamination subassembly 10 lamination in lamination station 1 department. As shown in fig. 7, the laminated battery core 1010 is formed by alternately stacking positive electrode sheets 1012 and negative electrode sheets 1011, and a separator 1013 is stacked between two adjacent electrode sheets. The clamping jaw 91 clamps the thickness direction of the battery core 1010.

Further, when the lamination stacking machine 1000 in an embodiment includes both the sheet taking assembly 30 and the cell blanking assembly 90, the sheet taking assembly 30 is disposed below the cell blanking assembly 90 in the vertical direction.

Further, the utility model provides a lamination stacking machine 1000 still includes the cutter (not shown), is used for cutting off the diaphragm on the electric core that presss from both sides.

Further, referring to fig. 4 again, in an embodiment, a plurality of lamination machines may be disposed on the platform board 7. As illustrated in fig. 4, 2 lamination machines 1000 and 2000 are provided on the deck plate, forming a double station lamination rig. It is understood that in other embodiments, the number of lamination machines is not limited, and 4 or 5 lamination machines may be disposed on the table board 7.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A pole piece feeding module is characterized by comprising a pole piece taking assembly;

the sheet taking assembly comprises a first extracting piece, a second extracting piece, a first vertical driving piece and a first horizontal driving piece, the first vertical driving piece is used for driving the first extraction piece and the second extraction piece to move in the vertical direction, so that the first extraction part and the second extraction part can respectively extract pole pieces from the feeding station and the positioning station, the first horizontal driving part is used for driving the first extraction part and the second extraction part to synchronously move along a first horizontal direction, so that the first and second extractors move to the positioning station and lamination station respectively, the first extraction part and the second extraction part are driven by the first vertical driving part to respectively place the extracted pole pieces on the positioning station and the lamination station, the first horizontal driving piece further drives the first extraction piece and the second extraction piece to return to the loading station and the positioning station.

2. The pole piece feeding module of claim 1, wherein the first extraction member comprises a plurality of vacuum chucks capable of simultaneously sucking the pole pieces;

the second extraction part is a vacuum adsorption plate, and the vacuum adsorption plate is used for adsorbing the end face of the pole piece is arranged to be a plane.

3. The pole piece feeding module of claim 1, further comprising a jacking assembly, wherein the jacking assembly is disposed at the feeding station and used for jacking the pole piece in a magazine of the feeding station to a predetermined height.

4. The pole piece feeding module of claim 3, further comprising a magazine feeding assembly for feeding the magazine loaded with the pole pieces to the feeding station in a second horizontal direction perpendicular to the first horizontal direction, a magazine discharging assembly for moving the magazine from which the pole pieces are taken out by the piece taking assembly to the magazine discharging assembly in the first horizontal direction for discharging in the second horizontal direction, and a magazine traversing assembly for moving the magazine from which the pole pieces are taken out by the piece taking assembly to the magazine discharging assembly in the first horizontal direction.

5. The pole piece feeding module of claim 4, wherein the jacking assembly is disposed at a moving end of the magazine traverse assembly, the magazine is carried on the jacking assembly and is driven by the magazine traverse assembly to move synchronously, or the magazine is carried on a moving end of the magazine traverse assembly and is driven by the magazine traverse assembly to move between the jacking assembly and the magazine discharging assembly.

6. The laminating machine is characterized by comprising a laminating station, a positioning station, a feeding station, a laminating assembly, a pole piece feeding module and a diaphragm unwinding mechanism, wherein the laminating station, the positioning station and the feeding station are arranged at intervals in a first horizontal direction, and one positioning station and one feeding station are sequentially arranged on two sides of the laminating station;

the pole piece feeding module is arranged at the feeding station and the positioning station and used for feeding pole pieces to the lamination station, and the pole piece feeding module is the module as claimed in any one of claims 1 to 5;

the lamination assembly is arranged at the lamination station and used for laminating the pole piece of the pole piece feeding module to the pole piece of the lamination station to obtain a battery cell, and comprises a lamination platform for bearing the pole piece and the diaphragm, a second vertical driving piece for driving the lamination platform in the vertical direction and a pressing and holding assembly for pressing and holding the pole piece and the diaphragm on the lamination platform.

7. The laminating machine of claim 6,

the membrane unwinding mechanism is arranged at the lamination station and comprises a clamping roller assembly used for clamping the membrane and a second horizontal driving piece used for driving the clamping roller assembly to move horizontally in the first horizontal direction or other horizontal directions, and the membrane is unwound from the pole piece so as to form the battery cell through lamination.

8. The laminating machine of claim 6, wherein the pole piece clamping assembly includes at least two sets of clamping jaw sets oppositely disposed along the first horizontal direction, the pressing claw group comprises a third horizontal driving piece, a third vertical driving piece and two pressing claws which are oppositely arranged at two sides of the diaphragm along a second horizontal direction which is vertical to the first horizontal direction, wherein the third horizontal driving member drives the two pressing claws to approach or separate from each other in the second horizontal direction, so that in the close state, the projections of the two pressure claws in the plane of the pole piece are positioned in the pole piece, and in a far state, the projections of the two pressing claws in the plane of the pole piece are positioned outside the pole piece, the third vertical driving piece drives the two pressing claws in the vertical direction, so that the two pressing claws in the close state press and hold the pole piece on the lamination platform.

9. The lamination machine of claim 7, further comprising a table top, a first support plate, a second support plate, a fourth vertical driving member, and a cell blanking assembly, wherein the first support plate is vertically disposed on the table top, the second support plate is slidably supported on the first support plate along the vertical direction, the membrane unwinding mechanism is disposed on the first support plate for unwinding the membrane, the cell taking assembly, the magazine traverse assembly, and the cell blanking assembly are disposed on the second support plate, and the fourth vertical driving member drives the second support plate to move up and down relative to the first support plate in the vertical direction, so that the cell blanking assembly and the cell taking assembly are in butt joint with the lamination platform.

10. The laminator according to claim 9, wherein the laminator further includes a third support plate secured vertically to the second support plate;

the battery cell blanking assembly is arranged on the third supporting plate and used for blanking the battery cell formed on the lamination platform, the battery cell blanking assembly comprises a fourth horizontal driving piece and a clamping jaw, the fourth vertical driving piece drives the second supporting plate in the vertical direction, so that the clamping jaw is in butt joint with the lamination platform in the vertical direction, the fourth horizontal driving piece drives the clamping jaw to be close to and far away from the lamination platform in the first horizontal direction or other horizontal directions, and then the battery cell is clamped and blanked.

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