Battery cell stacking and extruding equipment

Abstract

The utility model discloses battery cell stacking and extruding equipment which comprises a mounting platform, a long bearing plate, a front reference lifting side plate, a rear alignment side plate, a sliding extrusion stacking vertical plate and a stacking reference adjusting plate, the front reference lifting side plate is arranged on one side of the long bearing plate, and the front reference lifting side plate moves towards the transverse direction of the long bearing plate through the first pushing part to be aligned with the side edges of the battery cells; the rear alignment side plate is arranged on the other side of the bearing long plate, and the rear alignment side plate moves towards the transverse direction of the bearing long plate through a second pushing part to align the side edges of the battery cells; the stacking reference adjusting plate is arranged at one end of the long bearing plate, the sliding extrusion stacking vertical plate is arranged at the other end of the long bearing plate, and the sliding extrusion stacking vertical plate and the stacking reference adjusting plate are oppositely arranged. And the sliding extrusion stacking vertical plate slides towards the stacking reference adjusting plate by driving the sliding piece to push the battery cell stack to abut against the reference surface of the stacking reference adjusting plate. According to the utility model, a plurality of glued battery cells can be quickly and efficiently aligned, extruded and stacked to form the battery cell module.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technology field of electric core stacking equipment, and specifically relates to an electric core stacking and extruding equipment. BACKGROUND

[0002] The production of an existing battery module is composed of multiple electric cores fixed by gluing, and the production process of a battery module is as follows: first, multiple electric cores are carried to a gluing workbench, and gluing is carried out on the gluing surfaces of the multiple electric cores in sequence, after the gluing is completed, personnel carry the electric cores with the gluing in sequence to an extruding platform to neatly stack, then the personnel extrude the multiple electric cores to make them tightly glue together, and a steel belt is sleeved on the multiple electric cores during extrusion to obtain a battery module. However, the whole process of extruding the multiple electric cores to make them tightly stack by the personnel is not only laborious, but also greatly consumes the physical strength of the personnel, and part of the electric cores may not be neatly placed when the glued electric cores are placed, so that rework is needed to ensure the quality, which affects the overall production efficiency of the battery module. SUMMARY

[0003] The utility model aims at providing an electric core stacking and extruding equipment which can quickly and efficiently align and extrude multiple glued electric cores to stack to form an electric core module.

[0004] In order to solve the above technical problems, the utility model adopts the specific scheme of an electric core stacking and extruding equipment: including an installation platform, a bearing long plate, a front reference lifting side plate, a rear alignment side plate, a sliding extruding and stacking vertical plate and a stacking reference adjusting plate;

[0005] The bearing long plate is fixed on the installation platform, the front reference lifting side plate is arranged on one side of the bearing long plate, the front reference lifting side plate can be moved to align the side edges of the multiple electric cores in the transverse direction of the bearing long plate through the first push member; the rear alignment side plate is arranged on the other side of the bearing long plate, the rear alignment side plate can be moved in the transverse direction of the bearing long plate and align the side edges of the multiple electric cores in cooperation with the front reference lifting side plate through the second push member;

[0006] The stacking reference adjusting plate is arranged at one end of the bearing long plate to serve as a reference surface for placing the electric cores on the bearing long plate for stacking; the sliding extruding and stacking vertical plate is arranged at the other end of the bearing long plate, the sliding extruding and stacking vertical plate is arranged opposite to the stacking reference adjusting plate, and the sliding extruding and stacking vertical plate slides and extrudes the electric core stack to tightly abut on the reference surface of the stacking reference adjusting plate through the driving sliding member.

[0007] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the driving sliding member comprises two first sliding rails arranged on two sides of the sliding extruding stacking vertical plate respectively, one first sliding block is slidably arranged on each of the two first sliding rails, and the sliding extruding stacking vertical plate is fixed on the two first sliding blocks through the support mounting frame.

[0008] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the mounting platform is provided with a front mounting plate for bearing the front reference lifting side plate, the front mounting plate is parallel to the mounting platform, and the first pushing member is arranged on the front mounting plate.

[0009] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the first pushing member is a quick clamp, and the end of the connecting rod in the quick clamp is connected with the front reference lifting side plate.

[0010] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the mounting platform is provided with a lifting driving member for driving the front reference lifting side plate to rise to be flush with the rear alignment side plate or to descend to be flush with the bearing long plate, the lifting driving member is a lifting cylinder, the lifting telescopic rod is arranged in the vertical direction and connected with the bottom surface of the front mounting plate.

[0011] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the mounting platform is provided with a rear mounting plate for bearing the rear alignment side plate, and the second pushing member is arranged on the rear mounting plate.

[0012] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the second pushing member comprises three sliding pushing blocks arranged on the rear mounting plate, and the rear mounting plate is provided with a sliding groove corresponding to the position of each of the three sliding pushing blocks; one side of the sliding pushing block, which faces the bearing long plate, is connected with the rear alignment side plate, and the other side of the sliding pushing block is screwed with a push-pull threaded column, and the sliding pushing block pushes the rear alignment side plate to move towards the bearing long plate and aligns with the front reference lifting side plate to align the side edge of the battery cell through the rotation of the push-pull threaded column.

[0013] As another optimization scheme of the above-mentioned battery cell stacking and extruding device, the bearing long plate is provided with two pre-buried grooves for pre-buried bundling battery cell module steel belts along the transverse direction of the bearing long plate.

[0014] Compared with the prior art, the battery cell stacking and extruding device has the following beneficial effects:

[0015] 1. The bearing long plate in the utility model can bear a plurality of battery cells for assembling battery cell modules, and the stacking reference adjusting plate arranged at one end of the bearing long plate can serve as a reference surface on which the plurality of battery cells are placed in sequence. The front reference lifting side plate is arranged at one side of the bearing long plate and can move along the transverse direction of the bearing long plate under the driving of the corresponding first push member, and push the plurality of battery cells on the bearing long plate to abut against the rear alignment side plate arranged at the other side of the bearing long plate, so as to adjust the flatness of the side surface of the plurality of battery cells, so that the plurality of battery cells are in the aligned and centered position on the bearing long plate. The sliding extrusion stacking vertical plate arranged opposite to the stacking reference adjusting plate can slide towards the stacking reference adjusting plate under the driving of the corresponding driving sliding member, and the moving sliding extrusion stacking vertical plate can quickly push the extrusion-aligned plurality of battery cell stacks to abut against the stacking reference adjusting plate, and then the steel belt is manually sleeved on the stacked battery cells or a packing machine is used to bundle and assemble the steel belt into a battery cell module, so that the battery cells in the battery cell module are aligned with each other, the time for rework due to misaligned battery cell stacking is reduced, and the production efficiency and quality are greatly improved.

[0016] 2. The front reference lifting side plate in the utility model can be lifted vertically to the position level with the rear alignment side plate under the driving of the lifting cylinder, so that the front reference lifting side plate can cooperate with the rear alignment side plate to align the side edges of the plurality of battery cells and place them in the centered position of the bearing long plate, and the aligned and centered plurality of battery cells are convenient for subsequent pushing and extrusion to stack them together. In addition, the front reference lifting side plate can be lowered vertically to the position below the bearing long plate under the driving of the lifting cylinder, so that the steel belt can pass through the bundled battery cells to complete the assembly of the battery cell module.

[0017] 3. The stacking reference adjusting plate in the utility model can slide towards the sliding extrusion stacking vertical plate under the driving of the fine-tuning driving sliding member, and the length between the reference surface of the stacking reference adjusting plate and the sliding extrusion stacking vertical plate is adjusted according to the specifications of different battery cell modules. The device can be applied to the stacking and assembly of battery cell modules of various specifications, and the application range of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a schematic view of the main structure of the utility model;

[0019] Fig. 2 It is a schematic view of the structure of the mounting platform bottom surface component of the utility model.

[0020] Mark: 1, installation platform, 2, sliding extrusion stacking vertical plate, 201, support mounting bracket, 202, driving sliding part, 2021, first sliding block, 2022, first sliding rail, 2023, driving cylinder, 3, bearing long plate, 301, pre-buried groove, 4, rear alignment side plate, 401, rear mounting plate, 402, second push part, 5, stacking reference adjustment plate, 501, support seat, 502, fine adjustment driving sliding part, 5021, lead screw, 5022, hand wheel, 5023, second sliding block, 5024, second sliding rail, 5025, servo motor, 6, scale, 7, front reference lifting side plate, 701, first push part, 702, lifting cylinder, 703, front mounting plate, 704, balance sliding part. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further described in detail in combination with specific embodiments. The parts not described in detail in the following embodiments of the utility model, such as the model and specification of the driving cylinder, servo motor and lifting cylinder, are all prior art known or should be known to those skilled in the art.

[0022] An electric core stacking extrusion device, as shown in Figs. 1-2 It comprises a rectangular installation platform 1 and a bearing long plate 3, a front reference lifting side plate 7, a rear alignment side plate 4, a sliding extrusion stacking vertical plate 2 and a stacking reference adjustment plate 5 arranged on the installation platform 1. The bearing long plate 3 is rectangular and is used for bearing a plurality of electric cores.

[0023] The stacking reference adjustment plate 5 is arranged above the right end of the bearing long plate 3 through a support seat 501. The side face of the stacking reference adjustment plate 5 facing the side where the sliding extrusion stacking vertical plate 2 is distributed can serve as a reference surface when the plurality of electric cores are placed on the bearing long plate 3 in sequence. The plurality of electric cores can be placed in sequence with the stacking reference adjustment plate 5 as the reference when they are placed on the bearing long plate 3, thereby reducing the problems such as the side edge of the plurality of electric cores being skewed, uneven and inconvenient for direct extrusion stacking of the electric cores.

[0024] The support seat 501 for supporting and mounting the stacking reference adjustment plate 5 comprises two vertical plates connected through a pressure plate. The pressure plate is arranged opposite to the stacking reference adjustment plate 5, and the stacking reference adjustment plate 5 and the corresponding pressure plate are connected through a connecting rod.

[0025] The rear alignment side plate 4 is arranged on the installation platform 1 and above the side of the bearing long plate 3, and the front reference lifting side plate 7 is arranged on the other side of the bearing long plate 3. The side face of the rear alignment side plate 4 facing the bearing long plate 3 forms a rear reference surface, and the side face of the front reference lifting side plate 7 facing the rear alignment side plate 4 forms a front reference surface for cooperating with the rear alignment side plate 4 to adjust the flatness of the side edge of the plurality of electric cores.

[0026] The mounting platform 1 is provided with a rear mounting plate 401 for mounting and supporting the rear alignment side plate 4, the rear mounting plate 401 is arranged in parallel with the bearing long plate 3, and the rear mounting plate 401 is provided with a support column at each end for supporting the rear mounting plate 401, and the rear alignment side plate 4 is arranged on the rear mounting plate 401.

[0027] Correspondingly, the mounting platform 1 is provided with a front mounting plate 703, the front mounting plate 703 is arranged on the mounting platform 1 through two lifting slide columns, and the front mounting plate 703 is provided with a first push member 701 for pushing the front reference lifting side plate 7 to slide transversely along the bearing long plate 3.

[0028] The first push member 701 is a quick clamp, the connecting rod end of the quick clamp is connected with the front reference lifting side plate 7 through a connecting vertical plate. By pulling the quick clamp, the front reference lifting side plate 7 is pushed to move towards the bearing long plate 3 and pushes a plurality of battery cells to move to the rear reference surface of the rear alignment side plate 4, so that the side edges of the plurality of battery cells are aligned and flat. In addition, one balance sliding member 704 for assisting the stable movement of the front reference lifting side plate 7 is arranged on the front mounting plate 703 on both sides of the quick clamp.

[0029] The mounting platform 1 is provided with a lifting driving member, which is a lifting cylinder 702, the cylinder body of the lifting cylinder 702 is fixed to the bottom surface of the mounting platform 1 and is connected with the two lifting slide columns through a connecting plate, the telescopic rod of the lifting cylinder 702 penetrates through the mounting platform 1 and is connected with the front mounting plate 703, so that the front reference lifting side plate 7 can be lifted to a position in parallel with the rear alignment side plate 4 with the extension of the telescopic rod of the lifting cylinder 702, or can be lowered to a position in parallel with or below the bearing long plate 3 with the contraction of the telescopic rod of the lifting cylinder 702, so as to facilitate the subsequent steel belt to be sleeved on the stacked battery cells for bundling and assembling into a battery module.

[0030] The sliding extrusion stacking vertical plate 2 is arranged at the left end of the bearing long plate 3 opposite to the stacking reference adjustment plate 5 through the driving sliding member 202, and the sliding extrusion stacking vertical plate 2 slides and extrudes a plurality of battery cells towards the stacking reference adjustment plate 5 under the driving of the driving sliding member 202 until the plurality of battery cells abut on the stacking reference adjustment plate 5.

[0031] The driving sliding member 202 for driving the sliding extrusion stacking vertical plate 2 includes two first sliding rails 2022 and a driving cylinder 2023, the first sliding rails 2022 are parallel to each other and are respectively fixed to the mounting platform 1 on both sides of the sliding extrusion stacking vertical plate 2, and a first sliding block 2021 is slidingly connected on each first sliding rail 2022, and the two first sliding blocks 2021 are connected through a support plate.

[0032] The sliding extrusion stacking vertical plate 2 is fixed to the upper side of the support plate through the support mounting frame 201, the support mounting frame 201 includes two vertical plates fixed to the support plate, and the two vertical plates are connected through a connecting plate, and the connecting plate is connected with the sliding extrusion stacking vertical plate 2 through two horizontal plates.

[0033] The driving cylinder 2023 is arranged at the bottom of the mounting platform 1 and used for driving the sliding extrusion stacking vertical plate 2 to slide, the cylinder body of the driving cylinder 2023 is fixed to the bottom of the mounting platform 1 through a mounting frame, the telescopic rod end of the driving cylinder 2023 is connected with the support plate through a connecting plate, and the telescopic rod of the driving cylinder 2023 is retracted to drive the sliding extrusion stacking vertical plate 2 to slide towards the direction of the stacking reference adjusting plate 5 through the support mounting frame 201, and the plurality of battery cells placed on the bearing plate are extruded and stacked on the stacking reference adjusting plate 5 along with the sliding of the sliding extrusion stacking vertical plate 2.

[0034] Further, in order to facilitate the steel belt to be sleeved on the plurality of stacked battery cells, a pre-buried groove 301 is arranged at the positions close to the left and right ends of the bearing long plate 3, the pre-buried groove 301 is distributed along the transverse direction of the bearing long plate 3, and the steel belt used for bundling the stacked battery cells can be pre-buried in the pre-buried groove 301, so that the personnel can easily sleeve the steel belt on the battery cells.

[0035] In addition, the stacking reference adjusting plate 5 can be driven to slide towards the sliding extrusion stacking vertical plate 2 through the fine adjustment driving sliding part 502, the fine adjustment driving sliding part 502 includes a lead screw 5021, a nut matched and installed on the lead screw 5021 and a servo motor 5025 used for driving the lead screw 5021 to rotate, the stacking reference adjusting plate 5 is fixed to the nut through a support seat 501, and the nut can drive the stacking reference adjusting plate 5 to move along the bearing long plate 3 along with the rotation of the lead screw 5021 to adapt to different battery cell module specifications.

[0036] Further, a second sliding rail 5024 is arranged at the left and right sides of the stacking reference adjusting plate 5 respectively, a second sliding block 5023 is slidably and matchedly installed on the second sliding rail 5024, and the support seat 501 is fixed to the two second sliding blocks 5023, so that the stacking reference adjusting plate 5 can stably slide towards the sliding extrusion stacking vertical plate 2.

[0037] Further, the second pushing part 402 for pushing the rear alignment side plate 4 to slide along the transverse direction of the bearing long plate 3 and adjusting the flatness of the battery cell side edge is arranged on the rear mounting plate 401, the second pushing part 402 includes three sliding pushing blocks, three sliding grooves are arranged on the rear mounting plate 401, the sliding pushing blocks are respectively placed in the corresponding sliding grooves, and the three sliding pushing blocks are connected with the rear alignment side plate 4 through a connecting horizontal plate on the side of the bearing long plate 3. A push-pull threaded column is screwed and installed on the side of each of the three sliding pushing blocks away from the rear alignment side plate 4.

[0038] Correspondingly, the end part of the corresponding three sliding grooves on the side of the rear mounting plate 401 is provided with a vertical distribution of a screw mounting plate, and the screw mounting plate is provided for the corresponding side of the push-pull threaded column to pass through and screw with it. The rotating push-pull threaded column can push and pull the sliding block to slide in the corresponding sliding groove, and drive the rear alignment side plate 4 to reciprocate along the transverse direction of the bearing long plate 3, so that the rear alignment side plate 4 can adjust the relative position between the bearing long plate 3 according to different specifications and sizes of the battery cell, so that the position of the rear alignment side plate 4 can be aligned with the side of the battery cell pushed by the front reference lifting side plate 7.

[0039] Further, the hand wheel 5022 is arranged at one end of the lead screw 5021 away from the servo motor 5025, and the scale 6 is arranged on one side of the stacking reference adjusting plate 5 on the installation platform 1. When assembling battery modules of different specifications and sizes, the position of the stacking reference adjusting plate 5 can be fine-tuned by rotating the hand wheel 5022 and the position indicated by the scale 6.

[0040] The process of the utility model extruding and stacking battery cells to assemble battery modules is as follows: first, the glued battery cells that constitute the battery module are placed on the bearing long plate 3 in turn and side by side based on the stacking reference adjusting plate 5, and the end plate is placed on the outside of the two end cells. Start the lifting cylinder 702, then the front reference lifting side plate 7 rises, and then pull the quick clamp to push the front reference lifting side plate 7 to move and push a plurality of battery cells to the rear alignment side plate 4. Secondly, start the driving cylinder 2023, then the sliding extrusion stacking vertical plate 2 moves towards the stacking reference adjusting plate 5 and pushes a plurality of battery cells to the stacking reference adjusting plate 5, then start the lifting cylinder 702, the front reference lifting side plate 7 descends, and the personnel can put the steel belt in the pre-buried groove 301 on the plurality of battery cells.

Claims

1. An electric cell stack extrusion apparatus, characterized by: The mounting platform (1), the bearing long plate (3), the front reference lifting side plate (7), the rear alignment side plate (4), the sliding extrusion stacking vertical plate (2) and the stacking reference adjusting plate (5) are included. The bearing long plate (3) is fixed on the mounting platform (1), the front reference lifting side plate (7) is arranged on one side of the bearing long plate (3), the front reference lifting side plate (7) is aligned with the side edges of the plurality of battery cells by moving in the transverse direction of the bearing long plate (3) through the first push element (701), the rear alignment side plate (4) is arranged on the other side of the bearing long plate (3), the rear alignment side plate (4) is aligned with the side edges of the plurality of battery cells by moving in the transverse direction of the bearing long plate (3) through the second push element (402) and cooperating with the front reference lifting side plate (7). The stacking reference adjusting plate (5) is arranged at one end of the bearing long plate (3) as a reference surface for placing the battery cells on the bearing long plate (3) for stacking. The sliding extrusion stacking vertical plate (2) is arranged at the other end of the bearing long plate (3), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding extrusion stacking vertical plate (2) is arranged opposite to the stacking reference adjusting plate (5), the sliding 2. An electrochemical cell stack press apparatus as defined in claim 1, wherein: ​ 3. An electrochemical cell stack press apparatus as defined in claim 1, wherein: ​ 4. An electrochemical cell stack press apparatus as defined in claim 3, wherein: ​ 5. An electrochemical cell stack press apparatus as defined in claim 3, wherein: ​ 6. An electrochemical cell stack press apparatus as defined in claim 1, wherein: ​ 7. An electrochemical cell stack press apparatus as defined in claim 6, wherein: The second push member (402) comprises three sliding push blocks slidingly arranged on the rear mounting plate (401), and the rear mounting plate (401) is provided with a sliding groove corresponding to the position of each sliding push block; one side of the sliding push block connected with the rear alignment side plate (4) faces the bearing long plate (3), and the other side of the sliding push block is screwed with a push-pull threaded column; the sliding push block pushes the rear alignment side plate (4) to move towards the bearing long plate (3) and aligns with the front reference lifting side plate (7) to align the side edge of the battery cell.

8. An electrochemical cell stack press apparatus as defined in claim 1, wherein: Two pre-embedding grooves (301) for pre-embedding the bundled battery cell module steel belt are arranged on the bearing long plate (3) in the transverse direction.

Images