CN217239533U - Lamination equipment and battery cell - Google Patents

Abstract

The utility model provides a lamination equipment and electric core, lamination equipment includes: a material conveying mechanism; the cut piece supply mechanism is used for laying a first cut piece on the material conveying mechanism; the first cutting mechanism is used for laying a first cut piece on the material conveying mechanism by the cut piece supply mechanism and then cutting the first cut piece from the cut piece supply mechanism; a first unwinding mechanism; a second unwinding mechanism; a slicing mechanism; and a transfer mechanism. Therefore, after the first cut piece is laid on the material conveying mechanism by the cutting piece supply mechanism, the first cut piece is cut from the cut piece supply mechanism by the first cutting mechanism.

Description

Lamination equipment and battery cell

Technical Field

The utility model relates to a processing equipment technical field, in particular to lamination equipment and electric core that obtains by lamination equipment preparation.

Background

In the related art, when the existing lamination device performs the lamination operation, the cut-part supply mechanism needs to lay multiple layers of first cut parts on the material conveying mechanism, and the length of the first cut parts laid by the cut-part supply mechanism is too long, which easily causes wrinkles on the surface of the first cut parts, thereby reducing the lamination performance of the lamination device. Moreover, because the length of the first cut piece laid by the cut piece supply mechanism is too long, the lamination device needs to be provided with a deviation correction mechanism to improve the lamination precision of the first cut piece, so that the structure of the lamination device is complicated.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lamination equipment, this lamination equipment can reduce the length and size of the first piece of being cut after laying to can reduce the first fold that is cut a surface, also can make lamination equipment need not set up the mechanism of rectifying, and then can improve the lamination performance of lamination equipment, can also simplify the structure of lamination equipment.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a lamination apparatus comprising: a material conveying mechanism; the cut piece supply mechanism is used for laying a first cut piece on the material conveying mechanism; a first cutting mechanism for cutting the first cut object from the cut object supply mechanism after the first cut object is laid on the material conveying mechanism by the cut object supply mechanism; the first unwinding mechanism is used for unwinding the second cut piece; the second unwinding mechanism is used for unwinding a third cut piece; the slicing mechanism is used for cutting the second cut piece and the third cut piece; the transfer mechanism is used for transferring the cut second cut piece and the cut third cut piece to the first cut piece on the material conveying mechanism.

In some examples of the present invention, the cut-off supply mechanism is adapted to reciprocate cyclically in a first direction of the lamination device, the lamination device is provided with a first cutting position and a second cutting position, the cut-off supply mechanism is used for laying the first cut-off object between the first cutting position and the second cutting position, and the first cutting mechanism is adapted to cut off the first cut-off object from the cut-off supply mechanism when the cut-off supply mechanism moves from the second cutting position to the first cutting position; and/or when the cut piece supply mechanism moves from the first cutting position to the second cutting position, the first cutting mechanism is suitable for cutting the first cut piece from the cut piece supply mechanism.

In some examples of the present invention, the first cutting mechanism is plural, and plural the first cutting mechanism is respectively arranged corresponding to the first cutting position and the second cutting position.

In some examples of the present invention, the cut piece supply mechanism is plural, and the cut piece supply mechanism is plural and is disposed above the material transfer mechanism.

In some examples of the present invention, a plurality of the cut piece supply mechanisms are each adapted to move relative to the material transfer mechanism in a first direction of the lamination apparatus.

In some examples of the present invention, the second direction of the lamination device is a direction parallel to the first direction, and the first unwinding mechanism and the second unwinding mechanism are respectively located on two sides of the material conveying mechanism.

In some examples of the present invention, the first unwinding mechanism and the second unwinding mechanism are symmetrical with respect to the material transfer mechanism.

In some examples of the present invention, the slicing mechanism is a plurality of the slicing mechanism is located in both sides of the material transfer mechanism respectively in the second direction of the lamination device.

The utility model discloses an in some examples, it is a plurality of, a plurality of to shift the mechanism and be located respectively material transfer mechanism's both sides, and a plurality of shift the mechanism respectively with first unwinding mechanism second unwinding mechanism corresponds the setting.

In some examples of the present invention, the lamination device further comprises: the mechanism is decided to the second, the mechanism is decided to the second be used for accomplishing the lamination first by the cutting piece the second by the cutting piece with the second is cut the piece and is cut into a plurality of module units.

In some examples of the invention, the material transfer mechanism is configured as a conveyor belt.

Compared with the prior art, lamination equipment have following advantage:

according to the utility model discloses a lamination equipment lays first by the cutting piece after to material transport mechanism at cutting piece supply mechanism, decide the mechanism through first with first by cutting piece from being decided on the cutting piece supply mechanism, compare with prior art, can reduce the first length and size by the cutting piece after laying, thereby can reduce first fold by cutting piece surface, also can make lamination equipment need not set up the mechanism of rectifying, and then can improve the lamination performance of lamination equipment, can also simplify the structure of lamination equipment.

Another object of the present invention is to provide a battery cell prepared by the lamination apparatus described above.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the battery cell prepared by the lamination equipment is 200-2500 mm long, 90-300 mm wide, 10-60 mm thick and 3-250% long-to-thick; or the length dimension of the battery cell is 200-600 mm, the width dimension of the battery cell is 120-140 mm, the thickness dimension of the battery cell is 12-50 mm, and the length-thickness ratio of the battery cell is 4-50.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a lamination apparatus according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a module unit according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a battery cell formed by lamination of the lamination device according to an embodiment of the present invention.

Description of reference numerals:

a lamination device 100; a module unit 200; an electric core 300;

a material transfer mechanism 10; a cut piece supply mechanism 20; a first unwinding mechanism 30; a second unwinding mechanism 40; a slicing mechanism 50; a transfer mechanism 70;

a first cut piece 601; a second cut piece 602; a third cut piece 603.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, according to the lamination device 100 of the embodiment of the present invention, the lamination device 100 is used for stacking the sheet-shaped parts to assemble the multiple sheets of parts into a product, wherein the sheet-shaped parts may refer to a battery pole piece, a diaphragm, a metal sheet, etc., and the lamination device 100 may produce the battery cell 300 of the battery, etc. The lamination apparatus 100 includes: the cutting machine comprises a material conveying mechanism 10, a cut piece supply mechanism 20, a first cutting mechanism, a first unwinding mechanism 30, a second unwinding mechanism 40, a slicing mechanism 50 and a transfer mechanism 70. Wherein the material transfer mechanism 10 may be used to support the products being laminated and the material transfer mechanism 10 may transport the laminated products out of the laminating apparatus 100.

Moreover, the cut piece supply mechanism 20 is used to lay the first cut piece 601 on the material conveying mechanism 10, taking the embodiment shown in fig. 3 as an example, the lamination device 100 is used to produce the battery core 300 of the battery, at this time, the first cut piece 601 may be a diaphragm, and the diaphragm may separate pole pieces with different polarities in the battery core 300, so that a severe chemical reaction may be avoided after the pole pieces with different polarities are contacted, further, the battery core 300 may be prevented from being burnt, and the use safety of the battery is improved. The first cutting mechanism is used for cutting the first material 601 from the material supply mechanism 20 after the material supply mechanism 20 lays the first material 601 onto the material transfer mechanism 10. Further, the lamination device 100 may be provided with a preset laying area, the cut piece supply mechanism 20 may lay the first cut piece 601 in the preset laying area, and after the cut piece supply mechanism 20 lays a layer of the first cut piece 601 in the preset laying area, the first cutting mechanism cuts the first cut piece 601 from the cut piece supply mechanism 20.

Meanwhile, the first unwinding mechanism 30 is configured to unwind the second cut piece 602, the second unwinding mechanism 40 is configured to unwind the third cut piece 603, the slicing mechanism 50 is configured to cut the second cut piece 602 and the third cut piece 603, the first unwinding mechanism 30 may provide the second cut piece 602 in a roll shape for the slicing mechanism 50, and the slicing mechanism 50 may cut the second cut piece 602 in a sheet shape from the second cut piece 602 in a roll shape. Similarly, the second unwinding mechanism 40 may provide the third cut-off member 603 in a roll shape for the slicing mechanism 50, and the slicing mechanism 50 may cut the third cut-off member 603 in a roll shape into the third cut-off member 603 in a sheet shape. When the lamination apparatus 100 is used to stack pole pieces of the battery cell 300, one of the second cut-off piece 602 and the third cut-off piece 603 may be a positive pole piece, and the other of the second cut-off piece 603 and the third cut-off piece 603 may be a negative pole piece, for example, the second cut-off piece 602 may be a positive pole piece and the third cut-off piece 603 may be a negative pole piece, or the second cut-off piece 602 may be a positive pole piece and the third cut-off piece 603 may be a negative pole piece.

The transfer mechanism 70 is used for transferring the cut second cut object 602 and the cut third cut object 603 to the first cut object 601 on the material conveying mechanism 10. And, after the cut piece supply mechanism 20 lays a layer of the first cut piece 601 in the preset laying area each time, the transfer mechanism 70 can transfer a layer of the second cut piece 602 or the third cut piece 603 to the first cut piece 601, the transfer mechanism 70 can alternately transfer the second cut piece 602 and the third cut piece 603 to the first cut piece 601, so that a layer of the second cut object 602 or the third cut object 603 can be sandwiched between any two adjacent layers of the first cut object 601, and a layer of second cut piece 602 and a layer of third cut piece 603 are respectively arranged on both sides of any layer of first cut piece 601, by stacking a plurality of first cut pieces 601, a plurality of second cut pieces 602, and a plurality of third cut pieces 603 in this order, a plurality of layers of the first cut-by-material 601, the plurality of second cut-by-materials 602, and the plurality of third cut-by-materials 603 may be stacked to form the battery cell 300.

Further, in the thickness direction of the battery cell 300, two ends of the battery cell 300 may be respectively provided with a layer of the first cut-off pieces 601, and thus the plurality of second cut-off pieces 602 and the plurality of third cut-off pieces 603 may be spaced apart from the outside of the battery cell 300. Compared with the prior art, lay the first by cutting piece 601 of one deck on being cut a supply mechanism 20 to material conveying mechanism 10 after, because first decide the mechanism with first by cutting piece 601 from being cut a supply mechanism 20 decide, the length dimension of the first by cutting piece 601 of being decided is shorter, the first by cutting piece 601's of being decided surface is difficult to produce the fold, lamination equipment 100 need not set up the mechanism of rectifying that is used for correcting the position of the first by cutting piece 601, thereby can reduce the cost of lamination equipment 100, can simplify the structure of lamination equipment 100 simultaneously, and then can improve the lamination performance of lamination equipment 100.

In some embodiments of the present invention, as shown in fig. 1, the cut piece supply mechanism 20 is adapted to reciprocate in the first direction of the lamination device 100, the first direction of the lamination device 100 may refer to the left-right direction in fig. 1, that is, the cut piece supply mechanism 20 may move from the left side of the lamination device 100 to the right side of the lamination device 100 in fig. 1 and then move from the right side of the lamination device 100 to the left side of the lamination device 100 in fig. 1, and when the cut piece supply mechanism 20 reciprocates in the first direction of the lamination device 100, the cut piece supply mechanism 20 may lay at least one layer of the first cut pieces 601.

Specifically, in some specific embodiments, the cut piece supply mechanism 20 may lay one layer of the first cut piece 601 when the cut piece supply mechanism 20 moves from the left side of the lamination apparatus 100 to the right side of the lamination apparatus 100 in fig. 1, and the cut piece supply mechanism 20 may lay one layer of the first cut piece 601 when the cut piece supply mechanism 20 moves from the right side of the lamination apparatus 100 to the left side of the lamination apparatus 100 in fig. 1, that is, the cut piece supply mechanism 20 may lay two layers of the first cut piece 601 in one reciprocating movement of the cut piece supply mechanism 20.

In other embodiments, the cut piece supply mechanism 20 may lay down one layer of the first cut pieces 601 when the cut piece supply mechanism 20 moves from the left side of the lamination apparatus 100 to the right side of the lamination apparatus 100 in fig. 1, and the cut piece supply mechanism 20 may move back to the original position when the cut piece supply mechanism 20 moves from the right side of the lamination apparatus 100 to the left side of the lamination apparatus 100 in fig. 1, that is, the cut piece supply mechanism 20 may lay down one layer of the first cut pieces 601 in one reciprocating movement of the cut piece supply mechanism 20. Of course, in other embodiments of the present invention, the cut piece supply mechanism 20 may lay a layer of the first cut piece 601 when the cut piece supply mechanism 20 moves from the right side of the lamination device 100 to the left side of the lamination device 100 in fig. 1, and the cut piece supply mechanism 20 may move back to the initial position when the cut piece supply mechanism 20 moves from the right side of the lamination device 100 to the left side of the lamination device 100 in fig. 1.

Further, the lamination device 100 may be provided with a first cutting position and a second cutting position, and the cut piece supply mechanism 20 is used to lay the first cut piece 601 between the first cutting position and the second cutting position, that is, both the first cutting position and the second cutting position may be located within a preset laying area. When the cut material supply mechanism 20 moves from the second cutting position to the first cutting position, the first cutting mechanism is adapted to cut the first cut material 601 from the cut material supply mechanism 20 and/or when the cut material supply mechanism 20 moves from the first cutting position to the second cutting position, the first cutting mechanism is adapted to cut the first cut material 601 from the cut material supply mechanism 20.

The first cutting position and the second cutting position are arranged at intervals in the first direction of the lamination device 100, when the cut piece supply mechanism 20 circularly reciprocates in the first direction of the lamination device 100, the cut piece supply mechanism 20 can sequentially pass through the first cutting position and the second cutting position, when two layers of first cut pieces 601 are laid by the cut piece supply mechanism 20 in one reciprocating motion, the cut piece supply mechanism 20 moves from the second cutting position to the first cutting position, and when the cut piece supply mechanism 20 moves from the first cutting position to the second cutting position, the first cutting mechanism can cut the first cut pieces 601 from the cut piece supply mechanism 20.

When the cut material supply mechanism 20 lays the first cut material 601 in one reciprocating motion, the first cutting mechanism may cut the first cut material 601 from the cut material supply mechanism 20 when the cut material supply mechanism 20 moves from the second cutting position to the first cutting position or from the first cutting position to the second cutting position. By cutting the first cut piece 601 when the cut piece supply mechanism 20 moves to the first cutting position or the second cutting position, the cut first cut piece 601 can have a preset length, so that the length of the cut first cut piece 601 can be ensured to meet the technical requirement of separating the second cut piece 602 from the third cut piece 603, and by cutting the first cut piece 601 when the cut piece supply mechanism 20 moves to the first cutting position or the second cutting position, the length of the first cut piece 601 can be reduced, so that surface wrinkles of the first cut piece 601 can be reduced, and the lamination device 100 does not need to be provided with a deviation correcting mechanism.

The utility model discloses an in some embodiments, first decide the mechanism can be a plurality of, and a plurality of first mechanisms of deciding can decide the position with first, the second respectively and decide the position and correspond the arrangement. Preferably, the number of the first cutting mechanisms may be two, and the two first cutting mechanisms may be arranged corresponding to the first cutting position and the second cutting position, respectively, and when the cut piece supplying mechanism 20 moves from the second cutting position to the first cutting position, the first cutting mechanism arranged corresponding to the first cutting position is adapted to cut the first cut piece 601 from the cut piece supplying mechanism 20. When the cut piece supply mechanism 20 moves from the first cutting position to the second cutting position, the first cutting mechanism arranged corresponding to the second cutting position is adapted to cut the first cut piece 601 from the cut piece supply mechanism 20. From this, decide the position through setting up a plurality ofly respectively with first decide the position, the second decides the first mechanism of deciding that the position corresponds the mechanism of arranging, can make first decide the mechanism and need not follow and be removed by cutting a supply mechanism 20 to can improve the first cutting efficiency who decides the mechanism, simultaneously, so set up also can improve the first cutting precision who decides the mechanism, thereby can improve lamination equipment 100's lamination quality.

In some embodiments of the present invention, as shown in fig. 1, there are a plurality of cut-off supply mechanisms 20, and each of the plurality of cut-off supply mechanisms 20 may be disposed above the material conveying mechanism 10. In which a plurality of cut-off supply mechanisms 20 can be operated alternately above the material conveying mechanism 10 in sequence, in the embodiment shown in fig. 1, two cut-off supply mechanisms 20 are provided, and the two cut-off supply mechanisms 20 can lay the first cut-off 601 alternately in sequence, so that the efficiency of laying the first cut-off 601 by the lamination device 100 can be improved, and the lamination efficiency of the lamination device 100 can be improved. Of course, the present invention is not limited to this, for example, in other embodiments, the cut piece supply mechanism 20 may be provided with three or more than three, so as to further improve the efficiency of laying the first cut piece 601 by the lamination device 100.

Further, as shown in fig. 1, each of the plurality of cut piece supply mechanisms 20 is adapted to move in the first direction of the lamination apparatus 100 relative to the material conveying mechanism 10, that is, each of the plurality of cut piece supply mechanisms 20 is adapted to move in the left-right direction of fig. 1, and in some embodiments, the initial positions of the plurality of cut piece supply mechanisms 20 may be spaced apart in the first direction of the lamination apparatus 100, and when the plurality of cut piece supply mechanisms 20 alternately operate in sequence, the movement directions of the plurality of cut piece supply mechanisms 20 are different, so that the plurality of cut piece supply mechanisms 20 may be prevented from interfering with each other, which is beneficial to further improving the lamination efficiency of the lamination apparatus 100. Of course, in other embodiments, the plurality of cut-off supply mechanisms 20 are the same in the initial position of the lamination device 100, and when the plurality of cut-off supply mechanisms 20 are alternately operated in sequence, the plurality of cut-off supply mechanisms 20 are moved in the same direction, which may facilitate controlling the movement of the cut-off supply mechanisms 20.

In some embodiments of the present invention, as shown in fig. 1, in the second direction of the lamination apparatus 100, the first unwinding mechanism 30 and the second unwinding mechanism 40 are respectively located at two sides of the material conveying mechanism 10, it should be noted that the second direction of the lamination apparatus 100 may refer to a front-back direction in fig. 1, both the first unwinding mechanism 30 and the second unwinding mechanism 40 may unwind along a left-right direction in fig. 1, that is, both the unwinding direction of the first unwinding mechanism 30 and the unwinding direction of the second unwinding mechanism 40 are the same as a direction in which the first cut piece 601 is laid by the cut piece supplying mechanism 20, and when the slicing mechanism 50 cuts the second cut piece 602 and the third cut piece 603, the second cut piece 602 and the third cut piece 603 may be conveyed to the first cut piece 601 along the second direction of the lamination apparatus 100.

Further, each layer of the second cut-by-piece 602 may include a plurality of second cut-by-pieces 602, and the plurality of second cut-by-pieces 602 may be sequentially spaced apart in the first direction of the lamination apparatus 100, and in some embodiments, a spacing distance between any two adjacent second cut-by-pieces 602 may be 1mm to 10 mm. Each layer of the third cut-by-piece 603 may include a plurality of third cut-by-pieces 603, and the plurality of third cut-by-pieces 603 may be sequentially spaced apart in the first direction of the lamination apparatus 100, and in some embodiments, a spacing distance between any two adjacent third cut-by-pieces 603 may be 1mm to 10 mm. Moreover, the number of the second cut pieces 602 in each layer of the second cut pieces 602 is the same as that of the third cut pieces 603 in each layer of the third cut pieces 603, and the plurality of second cut pieces 602 can correspond to the plurality of third cut pieces 603 one by one in the thickness direction of the product formed by stacking, so that the stacking device 100 can stack a plurality of products at the same time, and the stacking efficiency of the stacking device 100 can be improved.

Further, as shown in fig. 2, the lamination device 100 may further include: and a second cutting mechanism for cutting the laminated first cut piece 601, second cut piece 602, and second cut piece 602 into a plurality of module units 200. The second cutting-off mechanism can cut the first cut piece 601, the second cut piece 602 and the second cut piece 602 along the thickness direction of the stacked first cut piece 601, second cut piece 602 and second cut piece 602, the cutting track of the second cutting-off mechanism can pass through the gap between two adjacent second cut pieces 602 of each layer of second cut piece 602, and the cutting track of the second cutting-off mechanism can pass through the gap between two adjacent third cut pieces 603 of each layer of third cut piece 603, so that the second cut pieces 602 and the third cut pieces 603 can be prevented from being cut off.

After the second cutting mechanism finishes cutting, each layer of the second cut piece 602 of each module unit 200 has at least one second cut piece 602, and each layer of the third cut piece 603 of each module unit 200 has at least one third cut piece 603, so that the first cut piece 601, the second cut piece 602 and the second cut piece 602 which are laminated are cut into a plurality of module units 200 by the second cutting mechanism, so that the laminating device 100 can process the module units 200 according to the preset radial dimension.

In some embodiments of the present invention, as shown in fig. 1, the first unwinding mechanism 30 and the second unwinding mechanism 40 may be symmetrically disposed about the material conveying mechanism 10. For example, in the embodiment shown in fig. 1, the first unwinding mechanism 30 may be disposed at the rear side of the material conveying mechanism 10, and the second unwinding mechanism 40 may be disposed at the front side of the material conveying mechanism 10, so that the second cut piece 602 cut by the slicing mechanism 50 may be located at the rear side of the material conveying mechanism 10, and the third cut piece 603 cut by the slicing mechanism 50 may be located at the front side of the material conveying mechanism 10, the spacing distances between the second cut piece 602 and the material conveying mechanism 10 and between the third cut piece 603 and the material conveying mechanism 10 are the same, the time required for the second cut piece 602 to be conveyed to the material conveying mechanism 10 and the time required for the third cut piece 603 to be conveyed to the material conveying mechanism 10 are the same, and thus the lamination efficiency of the lamination apparatus 100 may be further improved.

In some embodiments of the present invention, as shown in fig. 1, the slicing mechanism 50 may be multiple, and in the second direction of the lamination device 100, the multiple slicing mechanisms 50 are respectively located at two sides of the material conveying mechanism 10. Preferably, the number of the slicing mechanisms 50 is two, one of the two slicing mechanisms 50 may be used for cutting the second cut piece 602, the other of the two slicing mechanisms 50 may be used for cutting the third cut piece 603, by using the plurality of slicing mechanisms 50 to respectively cut the second cut piece 602 and the third cut piece 603, the slicing mechanism 50 may simultaneously cut the second cut piece 602 and the third cut piece 603, and the cutting processes of the second cut piece 602 and the third cut piece 603 are not affected by each other, so that an error may be avoided when the transfer mechanism 70 transfers the second cut piece 602 and the third cut piece 603.

Further, the slicing mechanism 50 may process a plurality of second cut pieces 602 and third cut pieces 603 in a sheet shape at the same time, in some specific embodiments, the slicing mechanism 50 may include a plurality of cutter assemblies, the cutter assemblies may be disposed at intervals along the unwinding direction of the first unwinding mechanism 30 and the unwinding direction of the second unwinding mechanism 40, the second cut piece 602 and the third cut piece 603 in a roll shape may sequentially pass through the cutter assemblies, and the cutter assemblies may simultaneously cut the second cut piece 602 and the third cut piece 603 in a roll shape, so that the second cut piece 602 and the third cut piece 603 in a roll shape may be cut into the second cut piece 602 and the third cut piece 603 in a plurality of sheet shapes, and the lamination efficiency of the lamination apparatus 100 may be improved. Further, the spacing distances between the cutter assemblies are the same, so that the radial sizes of the second cut pieces 602 and the third cut pieces 603 after cutting are the same, and the yield of the laminated product can be improved.

In some embodiments of the present invention, as shown in fig. 1, the transferring mechanism 70 may be multiple, the multiple transferring mechanisms 70 are respectively located at two sides of the material conveying mechanism 10, and the multiple transferring mechanisms 70 may respectively correspond to the first unwinding mechanism 30 and the second unwinding mechanism 40. The transfer mechanism 70 corresponding to the first unwinding mechanism 30 may be configured to transfer the second cut object 602 to the material conveying mechanism 10, and the number of the transfer mechanisms 70 corresponding to the first unwinding mechanism 30 may be multiple, and the multiple transfer mechanisms 70 may simultaneously transfer the multiple second cut objects 602 in a sheet shape to the material conveying mechanism 10, so that the time required for transferring the multiple second cut objects 602 to the material conveying mechanism 10 may be reduced.

The transfer mechanism 70 corresponding to the second unwinding mechanism 40 may be configured to transfer the third cut object 603 to the material conveying mechanism 10, and the number of the transfer mechanisms 70 corresponding to the second unwinding mechanism 40 may be multiple, and the multiple transfer mechanisms 70 may simultaneously transfer the multiple third cut objects 603 to the material conveying mechanism 10, so that the time required for transferring the multiple third cut objects 603 to the material conveying mechanism 10 may be reduced.

According to some embodiments of the present invention, the transferring mechanism 70 may have a plurality of suction cups, the plurality of suction cups may be sequentially spaced apart in a radial direction of the transferring mechanism 70, when the slicing mechanism 50 cuts the second cut piece 602, the plurality of suction cups may be in suction fit with a corner of the second cut piece 602, and the transferring mechanism 70 may move toward the material conveying mechanism 10 along a front-back direction in fig. 1, so as to achieve a technical effect that the second cut piece 602 is transferred from the slicing mechanism 50 to the first cut piece 601, the plurality of suction cups may prevent a surface of the second cut piece 602 from being wrinkled, since the transferring mechanism 70 directly transfers the second cut piece 602 to the first cut piece 601, and the slicing mechanism 50 is disposed on two sides of the material conveying mechanism 10, a position accuracy of the first cut piece 601 transferred to the material conveying mechanism 10 is higher, so that a deviation rectification mechanism does not need to be disposed between the slicing mechanism 50 and the material conveying mechanism 10, and further the structure of the lamination device 100 can be optimized.

Correspondingly, after the slicing mechanism 50 cuts the third cut piece 603, the plurality of suction cups may be in suction fit with corners of the third cut piece 603, and the transfer mechanism 70 may move toward the material conveying mechanism 10 along the front-back direction in fig. 1, so that a technical effect of transferring the third cut piece 603 from the slicing mechanism 50 to the first cut piece 601 may be achieved, the plurality of suction cups may prevent a surface of the third cut piece 603 from being wrinkled, since the transfer mechanism 70 directly transfers the third cut piece 603 to the first cut piece 601, and the slicing mechanism 50 is disposed on both sides of the material conveying mechanism 10, the position precision of transferring the third cut piece 603 to the material conveying mechanism 10 is higher, so that a deviation rectification mechanism does not need to be disposed between the slicing mechanism 50 and the material conveying mechanism 10, and the structure of the lamination apparatus 100 may be further optimized.

According to some specific embodiments of the present invention, as shown in fig. 1, the first unwinding mechanism 30 may be multiple, the multiple first unwinding mechanisms 30 may be spaced apart from each other in the first direction of the lamination device 100, and the multiple first unwinding mechanisms 30 may sequentially and alternately supply the second cut piece 602 to the slicing mechanism 50 of the first unwinding mechanism 30, so as to improve the slicing efficiency of the slicing mechanism 50 of the first unwinding mechanism 30. Further, the number of the second unwinding mechanisms 40 may be multiple, multiple second unwinding mechanisms 40 may be spaced apart in the first direction of the lamination apparatus 100, and multiple second unwinding mechanisms 40 may sequentially and alternately supply the third cut pieces 603 to the slicing mechanism 50 of the second unwinding mechanism 40, so that the slicing efficiency of the slicing mechanism 50 of the second unwinding mechanism 40 may be improved.

In some embodiments of the present disclosure, as shown in fig. 1, the material conveying mechanism 10 may be a conveyor belt, wherein the conveyor belt may extend in the first direction of the lamination device 100, a surface of the conveyor belt may support the first cut piece 601, the second cut piece 602, and the third cut piece 603, and after the first cut piece 601, the second cut piece 602, and the third cut piece 603 are stacked in the lamination device 100, the conveyor belt may convey the stacked product out of the lamination device 100 along the extending direction of the conveyor belt. By configuring the material transfer mechanism 10 as a conveyor belt, the stacked products can be transported out of the stacking apparatus 100 more quickly, the processing pace of the stacking apparatus 100 can be improved, and the production efficiency of the stacking apparatus 100 can be further improved.

As shown in fig. 3, according to the electric core 300 prepared by the lamination device 100 of the embodiment of the present invention, the length of the electric core 300 is 200-2500 mm, the width of the electric core 300 is 90-300 mm, the thickness of the electric core 300 is 10-60 mm, and the length-thickness ratio of the electric core 300 is 3-250.

In other embodiments, the length dimension of the battery cell 300 is 200mm to 600mm, the width dimension of the battery cell 300 is 120mm to 140mm, the thickness dimension of the battery cell 300 is 12mm to 50mm, and the length-thickness ratio of the battery cell 300 is 4 to 50. According to the utility model discloses electric core 300, electric core 300 that lamination equipment 100 preparation obtained are long slim electric core, and long slim electric core has good radiating efficiency, and can make easily in groups between a plurality of electric cores 300 to can improve the product quality of the battery module after a plurality of electric cores 300 are in groups.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A lamination apparatus, comprising:

a material transfer mechanism (10);

a cut piece supply mechanism (20), wherein the cut piece supply mechanism (20) is used for laying a first cut piece (601) on the material conveying mechanism (10);

a first cutting mechanism for cutting the first cut-receiving object (601) from the cut-receiving object supply mechanism (20) after the first cut-receiving object (601) is laid on the material conveying mechanism (10) by the cut-receiving object supply mechanism (20);

the first unwinding mechanism (30), the first unwinding mechanism (30) is used for unwinding the second cut piece (602);

the second unwinding mechanism (40) is used for unwinding a third cut piece (603);

a slicing mechanism (50), wherein the slicing mechanism (50) is used for cutting the second cut piece (602) and the third cut piece (603);

a transfer mechanism (70), wherein the transfer mechanism (70) is used for transferring the cut second cut piece (602) and the cut third cut piece (603) to the first cut piece (601) on the material conveying mechanism (10).

2. A lamination device according to claim 1, wherein the member-to-be-cut supply mechanism (20) is adapted to reciprocate cyclically in a first direction of the lamination device (100), the lamination device (100) being provided with a first severing position and a second severing position, the member-to-be-cut supply mechanism (20) being adapted to lay the first member-to-be-cut (601) between the first severing position and the second severing position, the member-to-be-cut supply mechanism (20) being adapted to sever the first member-to-be-cut (601) from the member-to-be-cut supply mechanism (20) when the member-to-be-cut supply mechanism (20) moves from the second severing position to the first severing position; and/or

When the cut piece supply mechanism (20) moves from the first cutting position to the second cutting position, the first cutting mechanism is suitable for cutting the first cut piece (601) from the cut piece supply mechanism (20).

3. The laminating apparatus according to claim 2, wherein the first cutting mechanism is plural, and the plural first cutting mechanisms are arranged corresponding to the first cutting position and the second cutting position, respectively.

4. The lamination device according to claim 1, wherein the cut piece supply means (20) is plural, and the plural cut piece supply means (20) are provided above the material transfer means (10).

5. A lamination device according to claim 4, wherein a plurality of the cut piece supply means (20) are each adapted to move relative to the material transfer means (10) in a first direction of the lamination device (100).

6. The lamination device according to claim 1, wherein in the second orientation of the lamination device (100), the first unwinding mechanism (30) and the second unwinding mechanism (40) are located on either side of the material transfer mechanism (10).

7. The lamination device according to claim 6, characterized in that said first unwinding mechanism (30) and said second unwinding mechanism (40) are symmetrical with respect to said material transfer mechanism (10).

8. A lamination device according to claim 1 or 6, wherein said slicing means (50) are plural, said slicing means (50) being located on either side of said material transfer means (10) in said second orientation of said lamination device (100).

9. The laminating device according to claim 6, wherein the transfer mechanism (70) is plural, the plural transfer mechanisms (70) are respectively located at two sides of the material conveying mechanism (10), and the plural transfer mechanisms (70) are respectively arranged corresponding to the first unwinding mechanism (30) and the second unwinding mechanism (40).

10. The lamination apparatus according to claim 1, further comprising: a second severing mechanism for severing the laminate into a plurality of module units (200) from the first piece (601) to be cut, the second piece (602) to be cut and the second piece (602) to be cut.

11. The lamination device according to claim 1, wherein the material transfer mechanism (10) is configured as a conveyor belt.

12. A cell prepared by the lamination apparatus of any one of claims 1 to 11, wherein the length of the cell (300) is 200mm to 2500mm, the width of the cell (300) is 90mm to 300mm, the thickness of the cell (300) is 10mm to 60mm, and the length-to-thickness ratio of the cell (300) is 3 to 250; or the length size of the battery cell (300) is 200-600 mm, the width size of the battery cell (300) is 120-140 mm, the thickness size of the battery cell (300) is 12-50 mm, and the length-thickness ratio of the battery cell (300) is 4-50.

Images