Lamination device

Abstract

The utility model relates to the technical field of battery manufacturing equipment, and discloses a lamination device, which comprises a plurality of lamination modules, the plurality of lamination modules are arranged side by side along a first direction, and each lamination module comprises a first pole piece conveying mechanism, a second pole piece conveying mechanism, a first pole piece conveying mechanism and a second pole piece conveying mechanism, the pole piece stacking mechanism is arranged on the same side of the first pole piece conveying mechanism and the second pole piece conveying mechanism so as to stack the first pole piece and the second pole piece, and the first pole piece carrying mechanism carries the first pole piece and the second pole piece to the pole piece stacking mechanism in sequence. According to the lamination device provided by the utility model, the lamination device is modularly arranged, so that the number of the lamination modules can be configured according to production requirements, and the lamination device is simple in structure and convenient to disassemble and transport; the pole piece lamination mechanism is arranged on the same side of the first pole piece conveying mechanism and the second pole piece conveying mechanism, so that the layout of each component of the lamination module is optimized, the occupied space of the lamination module is optimized, and the operation and the maintenance are convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of battery manufacturing equipment, and specifically relates to a lamination device. BACKGROUND

[0002] With the rapid development of society, lithium batteries have the advantages of high voltage, high energy density, high safety, low self-discharge rate and the like, and are a kind of promising new energy; with the further development of science and technology, people's demand for lithium batteries is increasing.

[0003] As known, in the manufacturing process of lithium batteries, the positive plate and the negative plate of the battery need to be cut to the required length respectively, and then the lamination process of the battery plate is carried out, and the lamination process of the lithium battery refers to the interval lamination of the positive plate and the negative plate to form a battery cell.

[0004] Therefore, in the battery production equipment, the lamination device is used to laminate the positive plate and the negative plate into a battery cell.

[0005] The existing lamination device comprises a battery positive plate conveying mechanism, a cell negative plate conveying mechanism, two plate suction manipulators and a lamination table, the battery positive plate conveying mechanism and the cell negative plate conveying mechanism are arranged on opposite sides of the lamination table, the two plate suction manipulators are located above the lamination table, and the positive plate and the negative plate are sucked from the battery positive plate conveying mechanism and the cell negative plate conveying mechanism respectively to be laminated on the lamination table.

[0006] At the same time, in order to improve the lamination efficiency, more lamination tables are usually considered to be added to cooperate with the plate suction manipulators, so that the layout of each component of the lamination device is not compact, resulting in large floor space, large weight and complex structure of the whole machine, which is not convenient for disassembly, transportation, operation and maintenance, and upgrading and modification. INVENTION CONTENTS

[0007] In order to solve the problems of the existing lamination device, such as the layout of each component being not compact, resulting in large floor space, large weight and complex structure of the whole machine, which is not convenient for disassembly, transportation, operation and maintenance, and upgrading and modification, the utility model provides a lamination device.

[0008] The technical effects achieved by the utility model are realized through the following technical aspects:

[0009] In a first aspect, the utility model provides a lamination device, which comprises: a plurality of lamination modules, the lamination modules are arranged side by side along a first direction, and the lamination module comprises:

[0010] The first pole piece conveying mechanism is used for conveying the first pole piece in the first direction;

[0011] The second pole piece conveying mechanism is arranged in parallel with the first pole piece conveying mechanism and is used for conveying the second pole piece in the first direction;

[0012] The pole piece stacking mechanism is arranged on the side of the first pole piece conveying mechanism away from the second pole piece conveying mechanism or is arranged on the side of the second pole piece conveying mechanism away from the first pole piece conveying mechanism and is used for stacking the first pole piece and the second pole piece to complete the battery cell stacking; and

[0013] The first pole piece conveying mechanism is used for conveying the first pole piece in the first direction;

[0014] In some optional implementations, the pole piece stacking mechanism comprises:

[0015] The first pole piece feeding mechanism is used for acquiring the first pole piece through the first pole piece conveying mechanism and correcting the position of the first pole piece;

[0016] The second pole piece feeding mechanism is arranged side by side with the first pole piece feeding mechanism in the first direction and is used for acquiring the second pole piece through the first pole piece conveying mechanism and correcting the position of the second pole piece;

[0017] The stacking assembly is arranged between the first pole piece feeding mechanism and the second pole piece feeding mechanism and is used for stacking the first pole piece and the second pole piece; and

[0018] The second pole piece conveying mechanism is arranged above the first pole piece feeding mechanism, the second pole piece feeding mechanism and the stacking assembly and is used for conveying the first pole piece and the second pole piece that pass the position correction to the stacking assembly.

[0019] In some optional implementations, the first pole piece feeding mechanism comprises a first standby work station, a first pole piece correction work station and a first normalizing platform, the first standby work station and the first pole piece correction work station are arranged at intervals in a second direction perpendicular to the first direction; the first normalizing platform is provided with at least two pole piece placing areas, and the two pole piece placing areas reciprocate with the first normalizing platform between the first standby work station and the first pole piece correction work station.

[0020] In some optional implementations, the second pole piece feeding mechanism comprises a second pole piece waiting station, a second pole piece correction station, and a second correction platform, the second pole piece waiting station and the second pole piece correction station are arranged at intervals along a second direction perpendicular to the first direction; the second correction platform is provided with at least two pole piece placement areas, and the two pole piece placement areas move back and forth with the second correction platform between the second pole piece waiting station and the second pole piece correction station.

[0021] In some optional implementations, the pole piece stacking mechanism further comprises a pole piece detection mechanism arranged above the first pole piece feeding mechanism and the second pole piece feeding mechanism to detect whether the first pole piece located at the first pole piece feeding mechanism and / or the second pole piece located at the second pole piece feeding mechanism is a qualified product.

[0022] In some optional implementations, the first material box is arranged on the side away from the first pole piece conveying mechanism and / or the second pole piece conveying mechanism of the first pole piece feeding mechanism along the second direction perpendicular to the first direction; and the second material box is arranged on the side away from the first pole piece conveying mechanism and / or the second pole piece conveying mechanism of the second pole piece feeding mechanism along the second direction perpendicular to the first direction.

[0023] In some optional implementations, the pole piece stacking mechanism further comprises a third pole piece conveying mechanism arranged above the first pole piece feeding mechanism, the second pole piece feeding mechanism, the first material box, and the second material box, for conveying the unqualified first pole piece at the first pole piece feeding mechanism into the first material box and conveying the unqualified second pole piece at the second pole piece feeding mechanism into the second material box.

[0024] In some optional implementations, the pole piece stacking mechanism further comprises a discharging mechanism, the discharging mechanism comprises a discharging conveying mechanism arranged above the pole piece stacking mechanism, for discharging the completed stacked battery cell from the pole piece stacking mechanism.

[0025] In some optional implementations, the pole piece stacking mechanism further comprises a separator unwinding mechanism arranged above the stacking assembly, the separator unwinding mechanism is used for stacking a separator between the first pole piece and the second pole piece.

[0026] In some optional implementations, the pole piece stacking mechanism further comprises a support bracket arranged along the first direction, the first pole piece conveying mechanism, the second pole piece conveying mechanism, and the separator unwinding mechanism are mounted on the support bracket.

[0027] In summary, the utility model has at least the following advantages:

[0028] The laminating device provided by the utility model has the advantages of modularization, simple structure, convenient disassembly and transportation, and optimized layout and land occupation of the laminating module. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The laminating device provided by the utility model has the advantages of modularization, simple structure, convenient disassembly and transportation, and optimized layout and land occupation of the laminating module.

[0030] Figure 2 The laminating device provided by the utility model has the advantages of modularization, simple structure, convenient disassembly and transportation, and optimized layout and land occupation of the laminating module.

[0031] Figure 3 The laminating device provided by the utility model has the advantages of modularization, simple structure, convenient disassembly and transportation, and optimized layout and land occupation of the laminating module.

[0032] Figure 4 The laminating device provided by the utility model has the advantages of modularization, simple structure, convenient disassembly and transportation, and optimized layout and land occupation of the laminating module.

[0033] Figure 5 The laminating device provided by the utility model has the advantages of modularization, simple structure, convenient disassembly and transportation, and optimized layout and land occupation of the laminating module.

[0034] Markings in the drawing:

[0035] 10, first pole piece conveying mechanism

[0036] 20, second pole piece conveying mechanism

[0037] 30, pole piece laminating mechanism

[0038] 301, first material waiting station

[0039] 302, first pole piece correcting station

[0040] 303, second material waiting station

[0041] 304, second pole piece correcting station

[0042] 305, laminating assembly

[0043] 306, pole piece detecting mechanism

[0044] 307, first material box

[0045] 308, second material box

[0046] 309, diaphragm unwinding mechanism

[0047] 40. First pole piece transport mechanism;

[0048] 50. Support bracket. DETAILED DESCRIPTION

[0049] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0050] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0051] In order to solve the problems in the prior art of the stacking device in which the various components are not arranged tightly, resulting in the whole machine occupying a large space, being heavy, having a complex structure, being inconvenient to disassemble and transport, being inconvenient to operate and maintain, and being difficult to upgrade and transform, the embodiment of the present utility model provides a stacking device.

[0052] like Figures 1-3 As shown, the lamination device provided in this embodiment includes: a plurality of lamination modules, and the plurality of lamination modules are arranged side by side along a first direction. In this embodiment, the plurality of lamination modules have the same structure.

[0053] In this embodiment, which is a preferred embodiment, the number of the lamination modules is set to at least one, and may also be set to multiple, and the specific number can be configured according to production requirements.

[0054] This embodiment modularizes the lamination device, resulting in a compact and simple structure that is easy to disassemble and transport.

[0055] This embodiment is a preferred embodiment, combined with the attached Figures 4-5 As shown, the lamination module includes: a first electrode conveying mechanism 10 , a second electrode conveying mechanism 20 , an electrode lamination mechanism 30 and a first electrode transporting mechanism 40 .

[0056] The first pole piece conveying mechanism 10 and the second pole piece conveying mechanism 20 are arranged in parallel, the first pole piece conveying mechanism 10 is used for conveying the first pole piece in a first direction, the second pole piece conveying mechanism 20 is used for conveying the second pole piece in the first direction, the pole piece stacking mechanism 30 is arranged on a side of the first pole piece conveying mechanism 10 away from the second pole piece conveying mechanism 20, or is arranged on a side of the second pole piece conveying mechanism 20 away from the first pole piece conveying mechanism 10, and is used for stacking the first pole piece and the second pole piece to complete the battery cell stacking, and the first pole piece carrying mechanism 40 is arranged above the first pole piece conveying mechanism 10, the second pole piece conveying mechanism 20 and the pole piece stacking mechanism 30, and is used for carrying the first pole piece and the second pole piece from the first pole piece conveying mechanism 10 and the second pole piece conveying mechanism 20 to the pole piece stacking mechanism 30 in sequence.

[0057] Preferably, the stacking module further comprises a support bracket 50, the support bracket 50 is arranged in the first direction, and the first pole piece carrying mechanism 40 is installed on the support bracket 50.

[0058] In the embodiment, it can be understood that the first pole piece conveying mechanism 10 and the second pole piece conveying mechanism 20 are located on the same side of the pole piece stacking mechanism 30, and the support bracket 50 is arranged above the first pole piece conveying mechanism 10, the second pole piece conveying mechanism 20 and the pole piece stacking mechanism 30, so that the first pole piece carrying mechanism 40 moves between the first pole piece conveying mechanism 10, the second pole piece conveying mechanism 20 and the pole piece stacking mechanism 30, thereby optimizing the layout of components of the stacking module, facilitating operation and maintenance, and reducing the floor space occupied by the stacking module.

[0059] In the embodiment, it can be understood that the first pole piece conveying mechanism 10 and the second pole piece conveying mechanism 20 are located on the same side of the pole piece stacking mechanism 30, and the support bracket 50 is arranged above the first pole piece conveying mechanism 10, the second pole piece conveying mechanism 20 and the pole piece stacking mechanism 30, so that the first pole piece carrying mechanism 40 moves between the first pole piece conveying mechanism 10, the second pole piece conveying mechanism 20 and the pole piece stacking mechanism 30, thereby optimizing the layout of components of the stacking module, facilitating operation and maintenance, and reducing the floor space occupied by the stacking module.

[0060] In the embodiment, it should be noted that the first pole piece is a positive pole piece, and the second pole piece is a negative pole piece, or the first pole piece is a negative pole piece, and the second pole piece is a positive pole piece.

[0061] In the embodiment, it should be noted that the first pole piece is a positive pole piece, and the second pole piece is a negative pole piece, or the first pole piece is a negative pole piece, and the second pole piece is a positive pole piece.

[0062] In some alternative embodiments, the first pole piece carrying mechanism 40 can be configured as two multi-axis robots, and a suction cup assembly arranged at the output end of each multi-axis robot. The two multi-axis robots respectively suck the first pole pieces from the first pole piece conveying mechanism 10 and the second pole pieces from the second pole piece conveying mechanism 20 through the suction cup assembly, and carry them to the pole piece stacking mechanism 30 to complete the stacking operation on the pole piece stacking mechanism 30.

[0063] In some alternative embodiments, the first pole piece carrying mechanism 40 can also be configured as a moving module moving in a direction perpendicular to the first direction, and two liftable suction cup assemblies connected to the moving module. The moving module cooperates with the suction cup assemblies to respectively suck the first pole pieces from the first pole piece conveying mechanism 10 and the second pole pieces from the second pole piece conveying mechanism 20, and carry them to the pole piece stacking mechanism 30 to complete the stacking operation on the pole piece stacking mechanism 30.

[0064] In the present embodiment, the specific structure of the first pole piece carrying mechanism 40 includes but is not limited to the above-mentioned structure, as long as it can achieve the purpose of sucking and carrying the first pole pieces and the second pole pieces from the first pole piece conveying mechanism 10 and the second pole piece conveying mechanism 20 to the pole piece stacking mechanism 30 to complete the stacking operation.

[0065] The present embodiment is a preferred embodiment, and the specific structure of the pole piece stacking mechanism 30 is optimized.

[0066] Specifically, the pole piece stacking mechanism 30 includes a first pole piece feeding mechanism, a second pole piece feeding mechanism, a stacking assembly 305, and a second pole piece carrying mechanism.

[0067] The first pole piece feeding mechanism is used to obtain the first pole pieces through the first pole piece carrying mechanism 40 and correct the position of the first pole pieces.

[0068] The second pole piece feeding mechanism is arranged side by side with the first pole piece feeding mechanism along the first direction, and is used to obtain the second pole pieces through the first pole piece carrying mechanism 40 and correct the position of the second pole pieces.

[0069] The stacking assembly 305 is arranged between the first pole piece feeding mechanism and the second pole piece feeding mechanism, and is used to stack the first pole pieces and the second pole pieces.

[0070] The second pole piece carrying mechanism is arranged above the first pole piece feeding mechanism, the second pole piece feeding mechanism, and the stacking assembly 305, and is used to carry the corrected first pole pieces and the second pole pieces to the stacking assembly 305.

[0071] The second pole piece conveying mechanism can be configured as follows: two multi-axis robots and a suction cup assembly arranged at the output end of each multi-axis robot. The two multi-axis robots respectively suck the corrected first pole piece from the first pole piece feeding mechanism and the corrected second pole piece from the second pole piece feeding mechanism through the suction cup assembly, and convey them to the lamination assembly 305 to complete the lamination operation on the lamination assembly 305.

[0072] In some optional embodiments, the second pole piece conveying mechanism can also be configured as follows: a moving module moving in parallel to the first direction, and two liftable suction cup assemblies connected to the moving module. The moving module cooperates with the suction cup assemblies to respectively suck the corrected first pole piece from the first pole piece feeding mechanism and the corrected second pole piece from the second pole piece feeding mechanism, and convey them to the lamination assembly 305 to complete the lamination operation on the lamination assembly 305.

[0073] In the present embodiment, the specific structure of the second pole piece conveying mechanism includes but is not limited to the above-mentioned structure, as long as it can achieve the functions of sucking and conveying the corrected first pole piece and the corrected second pole piece to the lamination assembly 305 to complete the lamination operation.

[0074] The pole piece lamination mechanism 30 of the present embodiment as a preferred embodiment further comprises a pole piece detection mechanism 306, a first magazine 307, a second magazine 308, a third pole piece conveying mechanism, and a separator unwinding mechanism 309.

[0075] The pole piece detection mechanism 306 is arranged above the first pole piece feeding mechanism and the second pole piece feeding mechanism to detect whether the first pole piece located at the first pole piece feeding mechanism and / or the second pole piece located at the second pole piece feeding mechanism is a qualified product.

[0076] The first magazine 307 is arranged on the side away from the first pole piece conveying mechanism 10 and / or the second pole piece conveying mechanism 20 along the second direction perpendicular to the first direction, and is used to place unqualified first pole pieces. The second magazine 308 is arranged on the side away from the first pole piece conveying mechanism 10 and / or the second pole piece conveying mechanism 20 along the second direction perpendicular to the first direction, and is used to place unqualified second pole pieces.

[0077] The third pole piece conveying mechanism is arranged above the first pole piece feeding mechanism, the second pole piece feeding mechanism, the first magazine 307, and the second magazine 308, and is used to convey the unqualified first pole pieces at the first pole piece feeding mechanism into the first magazine 307 and convey the unqualified second pole pieces at the second pole piece feeding mechanism into the second magazine 308.

[0078] The diaphragm unwinding mechanism 309 is arranged above the stacking assembly 305, and is used to stack the diaphragm between the first pole piece and the second pole piece.

[0079] Preferably, the first pole piece feeding mechanism comprises a first material waiting station 301, a first pole piece correction station 302, and a first correction platform, the first material waiting station 301 and the first pole piece correction station 302 are arranged along a second direction perpendicular to the first direction; the first correction platform is provided with at least two pole piece placement areas, and the two pole piece placement areas reciprocate with the first correction platform between the first material waiting station 301 and the first pole piece correction station 302.

[0080] The second pole piece feeding mechanism comprises a second material waiting station 303, a second pole piece correction station 304, and a second correction platform, the second material waiting station 303 and the second pole piece correction station 304 are arranged along a second direction perpendicular to the first direction; the second correction platform is provided with at least two pole piece placement areas, and the two pole piece placement areas reciprocate with the second correction platform between the second material waiting station 303 and the second pole piece correction station 304.

[0081] The pole piece detection mechanism 306 comprises a plurality of CCD assemblies, and realizes quality detection on the positions and appearances of the first pole piece and the second pole piece.

[0082] The structure of the third pole piece conveying mechanism can be that it comprises two multi-axis manipulators and a suction cup assembly arranged at the output end of each multi-axis manipulator, and the two multi-axis manipulators respectively convey the unqualified first pole piece and the unqualified second pole piece from the first pole piece correction station 302 and the second pole piece correction station 304 to the first material box 307 and the second material box 308 through the suction cup assembly.

[0083] In some optional embodiments, the structure of the third pole piece conveying mechanism can also be that it comprises a moving module moving along a direction perpendicular to the first direction, and two liftable suction cup assemblies connected with the moving module, and the moving module cooperates with the suction cup assemblies to respectively convey the unqualified first pole piece and the unqualified second pole piece from the first pole piece correction station 302 and the second pole piece correction station 304 to the first material box 307 and the second material box 308.

[0084] In the embodiment, the specific structure of the third pole piece conveying mechanism includes but is not limited to the above-mentioned structure, as long as it can realize the conveying of the first pole piece and the second pole piece from the first pole piece correction station 302 and the second pole piece correction station 304 to the first material box 307 and the second material box 308 respectively.

[0085] The working process of the pole piece stacking mechanism 30 is as follows:

[0086] The first pole piece carrying mechanism 40 carries the first pole piece from the first pole piece conveying mechanism 10 to the pole piece placement area on the first homing platform at the first standby work station 301, carries the second pole piece from the second pole piece conveying mechanism 20 to the pole piece placement area on the second homing platform at the second standby work station 303, the first homing platform moves the first pole piece to the first pole piece correction work station 302 under the drive of a movement module, so as to correct the position of the first pole piece, and the second homing platform moves the second pole piece to the second pole piece correction work station 304 under the drive of a movement module, so as to correct the position of the second pole piece.

[0087] The pole piece detection mechanism 306 detects the first pole piece and the second pole piece after position correction, judges whether the first pole piece and the second pole piece are qualified products, if yes, the second pole piece carrying mechanism carries the first pole piece and / or the second pole piece that passes the position correction from the first pole piece correction work station 302 and the second pole piece correction work station 304 to the stacking assembly 305 for stacking, so as to complete the cell stacking; otherwise, the third pole piece carrying mechanism carries the first pole piece and / or the second pole piece that fails the position correction from the first pole piece correction work station 302 and the second pole piece correction work station 304 to the first box 307 and / or the second box 308.

[0088] As a preferred embodiment, the stacking module further comprises a feeding mechanism, the feeding mechanism comprises a feeding carrying mechanism, the feeding carrying mechanism is arranged above the pole piece stacking mechanism 30, and is used to feed the completed cell from the pole piece stacking mechanism 30.

[0089] In some optional embodiments, the structure of the feeding carrying mechanism can be that the feeding carrying mechanism comprises a multi-axis manipulator and a suction cup assembly arranged at the output end of the multi-axis manipulator, the multi-axis manipulator sucks the completed cell from the stacking assembly 305 through the suction cup assembly and carries the completed cell to the hot-pressing buffer platform.

[0090] In some optional embodiments, the structure of the feeding carrying mechanism can also be that the feeding carrying mechanism comprises a movable module that can move in multiple directions and a suction cup assembly that can be lifted and connected to the movable module, the movable module cooperates with the suction cup assembly to suck the completed cell from the stacking assembly 305 and carry the completed cell to the hot-pressing buffer platform.

[0091] In the embodiment, the specific structure of the feeding carrying mechanism includes but is not limited to the above-mentioned structure, as long as the completed cell can be carried from the stacking assembly 305 to the hot-pressing buffer platform.

[0092] In addition, in the embodiment, the second pole piece conveying mechanism, the pole piece detection mechanism 306, the diaphragm unwinding mechanism 309, the third pole piece conveying mechanism and the blank conveying mechanism can be installed on the support bracket 50, so as to reduce the number of the support bracket 50, save the cost, avoid complex and messy structure, and further make the structure design space of the support bracket 50 larger, which is beneficial to enhancing the structure strength and the stability of the bottom plate of the support bracket 50 and ensuring the lamination precision.

[0093] Meanwhile, the lamination device provided by the embodiment can be modularized, one or more lamination modules can be configured according to production requirements, the structure is simple and convenient to disassemble and transport, the first pole piece conveying mechanism 10 and the second pole piece conveying mechanism 20 are arranged on the same side of the pole piece lamination mechanism 30, the layout of components of the lamination module is optimized, the floor space is optimized, and operation and maintenance are facilitated.

[0094] In the present application, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0095] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product of the present application is used, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used for description, and cannot be understood as indicating or implying relative importance.

[0096] In addition, the terms "horizontal", "vertical", "suspension" and the like do not mean that the components must be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0097] In the utility model, unless another definite provision and limitation, first feature is above or below second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through additional feature between them.

[0098] Although the description of the utility model is combined with above specific embodiment, it is obvious that many substitutions, modifications and changes can be made according to the above-mentioned content by the person skilled in the art. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A lamination device, characterized in that: include: A plurality of lamination modules, wherein the plurality of lamination modules are arranged side by side along a first direction, and the lamination modules include: A first electrode sheet conveying mechanism (10) is used for conveying the first electrode sheet along a first direction; a second electrode sheet conveying mechanism (20), arranged in parallel with the first electrode sheet conveying mechanism (10), and configured to transport the second electrode sheet along a first direction; a pole piece stacking mechanism (30), arranged on a side of the first pole piece conveying mechanism (10) away from the second pole piece conveying mechanism (20), or arranged on a side of the second pole piece conveying mechanism (20) away from the first pole piece conveying mechanism (10), for stacking the first pole piece and the second pole piece to complete battery cell stacking; and The first electrode sheet transport mechanism (40) is mounted above the first electrode sheet conveying mechanism (10), the second electrode sheet conveying mechanism (20) and the electrode sheet stacking mechanism (30), and is used to transport the first electrode sheet and the second electrode sheet from the first electrode sheet conveying mechanism (10) and the second electrode sheet conveying mechanism (20) to the electrode stacking mechanism (30) in sequence.

2. A lamination device according to claim 1, characterized in that: The pole piece lamination mechanism (30) comprises: a first pole piece loading mechanism, used for obtaining the first pole piece through the first pole piece transporting mechanism (40) and performing position correction on the first pole piece; a second pole piece loading mechanism, arranged side by side with the first pole piece loading mechanism along the first direction, for obtaining the second pole piece through the first pole piece transport mechanism (40) and performing position correction on the second pole piece; a stacking assembly (305), arranged between the first pole piece loading mechanism and the second pole piece loading mechanism, for stacking the first pole piece and the second pole piece; and The second pole piece transport mechanism is arranged above the first pole piece loading mechanism, the second pole piece loading mechanism and the stacking assembly (305), and is used for transporting the first pole piece and the second pole piece that have passed calibration to the stacking assembly (305).

3. A lamination device according to claim 2, characterized in that: The first electrode loading mechanism comprises: a first material-waiting station (301), a first electrode correction station (302) and a first alignment platform, wherein the first material-waiting station (301) and the first electrode correction station (302) are arranged at intervals along a second direction perpendicular to the first direction; and at least two electrode placement areas are provided on the first alignment platform, and the two electrode placement areas reciprocate between the first material-waiting station (301) and the first electrode correction station (302) along with the first alignment platform.

4. A lamination device according to claim 2, characterized in that: The second electrode loading mechanism comprises: a second material-waiting station (303), a second electrode correction station (304) and a second alignment platform, wherein the second material-waiting station (303) and the second electrode correction station (304) are arranged at intervals along a second direction perpendicular to the first direction; and at least two electrode placement areas are provided on the second alignment platform, and the two electrode placement areas reciprocate between the second material-waiting station (303) and the second electrode correction station (304) along with the second alignment platform.

5. A lamination device according to claim 2, characterized in that: The electrode stacking mechanism (30) further includes: an electrode detection mechanism (306), wherein the electrode detection mechanism (306) is arranged above the first electrode loading mechanism and the second electrode loading mechanism to detect whether the first electrode located at the first electrode loading mechanism and / or the second electrode located at the second electrode loading mechanism are qualified products.

6. A lamination device according to claim 1, characterized in that: It also includes a first material box (307) and a second material box (308), wherein the first material box (307) is arranged on the side of the first electrode loading mechanism away from the first electrode conveying mechanism (10) and / or the second electrode conveying mechanism (20) along a second direction perpendicular to the first direction; and the second material box (308) is arranged on the side of the second electrode loading mechanism away from the first electrode conveying mechanism (10) and / or the second electrode conveying mechanism (20) along a second direction perpendicular to the first direction.

7. A lamination device according to claim 6, characterized in that: It also includes a third electrode sheet conveying mechanism, which is arranged above the first electrode sheet loading mechanism, the second electrode sheet loading mechanism, the first material box (307) and the second material box (308), and is used to respectively convey the unqualified first electrode sheet at the first electrode sheet loading mechanism to the first material box (307), and convey the unqualified second electrode sheet at the second electrode sheet loading mechanism to the second material box (308).

8. A lamination device according to claim 1, characterized in that: Also includes: A material unloading mechanism, comprising a material unloading and conveying mechanism, the material unloading and conveying mechanism being arranged above the electrode stacking mechanism (30) and being used for unloading the stacked battery cells from the electrode stacking mechanism (30).

9. A lamination device according to claim 2, characterized in that: The pole piece stacking mechanism (30) further comprises: a diaphragm unwinding mechanism (309), the diaphragm unwinding mechanism (309) being arranged above the stacking assembly (305), the diaphragm unwinding mechanism (309) being used to stack a diaphragm between the first pole piece and the second pole piece.

10. The lamination device according to claim 1, characterized in that: It also includes a support bracket (50), the support bracket (50) is arranged along a first direction, and the first pole piece conveying mechanism (40), the second pole piece conveying mechanism and the diaphragm unwinding mechanism are installed on the support bracket (50).

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