Battery packaging machine

Abstract

The utility model relates to the technical field of packaging equipment, in particular to a battery packaging machine. Comprising a top sealing device, a jacking bearing mechanism arranged on the front side of the top sealing device in a lifting manner, an upper membrane shell and battery cell station arranged on the two sides of the top sealing device respectively, and a side sealing device, the membrane shell folding device is movably arranged between the upper membrane shell and battery cell station and the jacking bearing mechanism, the transfer clamp is movably arranged between the jacking bearing mechanism and the side sealing device, the membrane shell folding device is provided with a first jacking bearing avoiding groove, and the first jacking bearing avoiding groove provides an avoiding space for the jacking bearing end of the jacking bearing mechanism; the transfer clamp is provided with a second jacking bearing receding groove, and the second jacking bearing receding groove provides receding space for the jacking bearing end of the jacking bearing mechanism. According to the utility model, the battery can be conveniently transferred among the membrane shell folding device, the jacking bearing mechanism and the transfer clamp, the battery conveying speed can be accelerated, and the battery packaging efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to a battery packaging machine. Background Art

[0002] In the production process of soft-pack lithium-ion batteries, heat sealing of the packaged cells is an essential process. In the prior art, the cells are packaged with aluminum-plastic films. After the aluminum-plastic films are punched out with grooves, the cells are placed in the grooves, and then the aluminum-plastic films are folded to complete the packaging of the cells. The cells are then packaged with a heat sealer, and the packaging process mainly includes top sealing, side sealing and corner sealing.

[0003] Among the existing patents, the Chinese patent document with application number 202123425244.9 discloses a packaging device for a special-shaped battery cell, including a top sealing station and a special-shaped edge packaging station. The top sealing station includes a clamp mechanism for transporting the battery cell to be packaged and a tab correction mechanism, a top sealing mechanism and a special-shaped top sealing mechanism arranged in sequence along the conveying direction of the clamp mechanism. The special-shaped edge sealing device station includes a transport mechanism arranged between the clamp mechanism and the special-shaped sealing transfer mechanism. A special-shaped sealing transfer mechanism is arranged on the side of the transport mechanism. A special-shaped sealing mechanism is arranged on the side of the mechanism, and the top sealing mechanism includes a top sealing component 1 and a top sealing component 2 which are arranged relatively, and the special-shaped top sealing mechanism includes a special-shaped top sealing component 1 and a special-shaped top sealing component 2 which are arranged relatively; the clamp mechanism includes a horizontally arranged conveying track and a flip clamp, a transfer clamp and a discharging clamp which are arranged in sequence along the conveying track, and the movement of the flip clamp, the transfer clamp and the discharging clamp along the Z-axis direction is driven by a servo motor, and the movement of the flip clamp, the transfer clamp and the discharging clamp along the X-axis direction is driven by a linear motor. Since the patent document is to fold and package the bare battery cells and the aluminum-plastic film with the holes on the flip fixture, and then transfer the battery cells by the transfer fixture and send them to the top sealing mechanism or the special-shaped top sealing mechanism for packaging, the folded aluminum-plastic film is easy to open during the process of the transfer fixture transferring the battery cells to the top sealing mechanism or the special-shaped top sealing mechanism, and it is difficult to ensure the stability and quality of the top sealing. In addition, during the process of the top sealing mechanism or the special-shaped top sealing mechanism packaging the battery cells carried by the transfer fixture, the transfer fixture cannot transfer the battery cells, resulting in low efficiency in transporting the battery cells, which is not conducive to improving production efficiency. Therefore, the defects are very obvious, and a solution is urgently needed. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a battery packaging machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A battery packaging machine comprises a top sealing device, a lifting and receiving mechanism which is lifted and arranged on the front side of the top sealing device, an upper film shell and a battery cell station and a side sealing device which are respectively arranged on both sides of the top sealing device, a film shell folding device which is movably arranged between the upper film shell and the battery cell station and the lifting and receiving mechanism, and a transfer fixture which is movably arranged between the lifting and receiving mechanism and the side sealing device, wherein the film shell folding device is provided with a first lifting and receiving avoidance groove which provides an avoidance space for the lifting and receiving end of the lifting and receiving mechanism, and the transfer fixture is provided with a second lifting and receiving avoidance groove which provides an avoidance space for the lifting and receiving end of the lifting and receiving mechanism.

[0007] Furthermore, the battery packaging machine also includes a first linear drive module, a driving end of which is connected to the film shell folding device, and the first linear drive module is used to drive the film shell folding device to reciprocate between the upper film shell and the battery cell station and the lifting and receiving mechanism.

[0008] Furthermore, the battery packaging machine also includes a second linear drive module, a driving end of the second linear drive module is connected to the transfer fixture, and the second linear drive module is used to drive the transfer fixture to move back and forth between the lifting and receiving mechanism and the side sealing device.

[0009] Furthermore, the transfer fixture includes a transfer lifting drive module, a transfer lifting plate installed on the lifting end of the transfer lifting drive module, a transfer bottom plate installed on the transfer lifting plate, a plurality of transfer suction cups embedded in the transfer bottom plate, a pressure block rotatably arranged on the transfer lifting plate, and a rotating drive mechanism installed on the transfer lifting plate and used for driving the pressure block to rotate close to or away from the transfer bottom plate, the pressure block is used to press the battery to be side-sealed on the transfer bottom plate, and a second jacking receiving avoidance groove is opened on the transfer bottom plate.

[0010] Furthermore, the rotation drive mechanism includes a rotating shaft rotatably connected to the transfer lifting plate, a gear mounted on the rotating shaft, a rack slidably connected to the transfer lifting plate and meshing with the gear for transmission, and a linear drive installed on the transfer lifting plate and used to drive the rack to reciprocate, and one end of the pressing block is installed on the rotating shaft.

[0011] Furthermore, the jacking and receiving mechanism includes a lifting and receiving driving module, a mounting plate installed on the lifting end of the lifting and receiving driving module, and a plurality of suction cup assemblies installed on the mounting plate. The first jacking and receiving avoidance groove provides avoidance space for the plurality of suction cup assemblies, and the second jacking and receiving avoidance groove provides avoidance space for the plurality of suction cup assemblies.

[0012] Furthermore, the membrane shell folding device includes a moving seat, a lower folding plate installed on the moving seat, an upper folding plate rotatably set on the moving seat and used to fold with the lower folding plate, and a folding drive mechanism installed on the moving seat and used to drive the upper folding plate to fold or open relative to the lower folding plate. The upper folding plate and the lower folding plate are both embedded with multiple suction nozzles, and the first lifting and receiving avoidance groove is set on the lower folding plate.

[0013] Furthermore, the first lifting and receiving avoidance groove is formed by being recessed inwardly from one side of the lower folding plate close to the lifting and receiving mechanism.

[0014] Furthermore, the mounting plate is provided with a position adjustment groove, and the position adjustment groove is used to adjust the position of the suction cup assembly on the mounting plate.

[0015] Furthermore, the battery packaging machine also includes a corner sealing device arranged between the top sealing device and the side sealing device and a lifting and supporting mechanism arranged on the side of the corner sealing device. There are two transfer clamps, and the two transfer clamps are staggered and relatively arranged. One transfer clamp moves back and forth between the lifting and supporting mechanism and the lifting and supporting mechanism, and the other transfer clamp moves back and forth between the lifting and supporting mechanism and the side sealing device.

[0016] The beneficial effects of the utility model are as follows: in practical application, the film shell folding device in the open state is located at the upper film shell and the battery cell station, the external equipment places the film shell (aluminum-plastic film shell) on the film shell folding device, and then the battery cell is placed in the lower shell of the film shell, and then the film shell folding device folds the film shell in half to cover the battery cell to form a battery to be packaged, and then the film shell folding device moves the battery to be packaged to the jacking receiving mechanism, and the top sealing edge of the battery to be packaged is located at the packaging position of the top sealing device, the top sealing device performs top sealing on the top of the battery to be packaged, and the top lifting receiving mechanism The lifting receiving end rises and passes through the first lifting receiving avoidance groove to support the top-sealed battery. At this time, the membrane shell folding device can be opened and returned to the upper membrane shell and the battery cell position. Then the transfer fixture moves to the lifting receiving mechanism. The second lifting receiving avoidance groove provides an avoidance space for the lifting receiving end of the lifting receiving mechanism. The transfer fixture transfers the top-sealed battery supported by the lifting receiving mechanism to the side sealing device. The side sealing device performs side sealing on the top-sealed battery clamped by the transfer fixture. After the side sealing is completed, the external manipulator can take the battery on the transfer fixture. The utility model facilitates the transfer of batteries between the membrane shell folding device, the lifting receiving mechanism and the transfer fixture, can speed up the speed of conveying batteries, improve the efficiency of battery packaging, and conveys the batteries to the top sealing device for top sealing through the membrane shell folding device, thereby improving the stability and quality of the top sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model.

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the transfer fixture of the utility model.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the jacking and receiving mechanism of the utility model.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the membrane shell folding device of the present invention.

[0021] Figure 5 It is a top view of another embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. Top sealing device; 2. Lifting and receiving mechanism; 3. Upper film shell and cell station; 4. Side sealing device; 5. Film shell folding device; 6. Transfer fixture; 7. First lifting and receiving avoidance groove; 8. Second lifting and receiving avoidance groove; 9. First linear drive module; 10. Second linear drive module; 11. Transfer lifting drive module; 12. Transfer lifting plate; 13. Transfer bottom plate; 14. Transfer suction cup; 15. Press block; 16. Rotation drive mechanism; 17. Rotating shaft; 18. Rack; 19. Linear drive; 20. Receiving and lifting drive module; 21. Mounting plate; 22. Suction cup assembly; 23. Moving seat; 24. Lower folding plate; 25. Upper folding plate; 26. Folding drive mechanism; 27. Position adjustment groove; 28. Suction nozzle; 29. ​​Corner sealing device; 30. Lifting and supporting mechanism. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0025] like Figures 1 to 4 As shown, the utility model provides a battery packaging machine, which includes a top sealing device 1, a lifting and receiving mechanism 2 which is lifted and arranged on the front side of the top sealing device 1, an upper film shell and a battery cell station 3 and a side sealing device 4 which are respectively arranged on both sides of the top sealing device 1, a film shell folding device 5 which is movably arranged between the upper film shell and the battery cell station 3 and the lifting and receiving mechanism 2, and a transfer fixture 6 which is movably arranged between the lifting and receiving mechanism 2 and the side sealing device 4, the film shell folding device 5 is provided with a first lifting and receiving avoidance groove 7, which provides an avoidance space for the lifting and receiving end of the lifting and receiving mechanism 2, and the transfer fixture 6 is provided with a second lifting and receiving avoidance groove 8, which provides an avoidance space for the lifting and receiving end of the lifting and receiving mechanism 2; specifically, the top sealing device 1 and the side sealing device 4 are arranged in an L shape.

[0026] In actual application, the film shell folding device 5 in the open state is located at the upper film shell and battery cell station 3. After the external equipment places the film shell (aluminum-plastic film shell) on the film shell folding device 5, the battery cell is placed in the lower shell of the film shell. Then the film shell folding device 5 folds the film shell in half to cover the battery cell to form a battery to be packaged. Then the film shell folding device 5 moves the battery to be packaged to the jacking receiving mechanism 2, and the top sealing edge of the battery to be packaged is located at the packaging position of the top sealing device 1. The top sealing device 1 performs top sealing on the top of the battery to be packaged. After the jacking receiving end of the jacking receiving mechanism 2 rises and passes through the first jacking receiving avoidance groove 7 The top-sealed battery is supported. At this time, the membrane shell folding device 5 can be opened and returned to the upper membrane shell and the battery cell station 3. Then the transfer fixture 6 moves to the lifting receiving mechanism 2. The second lifting receiving avoidance groove 8 provides an avoidance space for the lifting receiving end of the lifting receiving mechanism 2. The transfer fixture 6 clamps the top-sealed battery received by the lifting receiving mechanism 2 and transfers it to the side sealing device 4. The side sealing device 4 performs side sealing on the top-sealed battery clamped by the transfer fixture 6. After the side sealing is completed, the external manipulator can take away the battery on the transfer fixture 6 or transfer the side-sealed battery to the external corner sealing mechanism for corner sealing. The utility model facilitates the transfer of batteries between the membrane shell folding device 5, the lifting receiving mechanism 2 and the transfer fixture 6, can speed up the speed of conveying batteries, improve the efficiency of battery packaging, and convey the batteries to the top sealing device 1 for top sealing through the membrane shell folding device 5, thereby improving the stability and quality of the top sealing.

[0027] In this embodiment, the battery packaging machine also includes a first linear drive module 9, the driving end of the first linear drive module 9 is connected to the film shell folding device 5, and the first linear drive module 9 is used to drive the film shell folding device 5 to move back and forth between the upper film shell and battery cell station 3 and the lifting and receiving mechanism 2. In actual application, the first linear drive module 9 drives the film shell folding device 5 to move the battery to be packaged from the upper film shell and battery cell station 3 to the lifting and receiving mechanism 2. When the top sealing device 1 seals the top sealing edge of the battery to be packaged, the lifting and receiving mechanism 2 supports the battery. At this time, the film shell folding device 5 is opened, and the first linear drive module 9 drives the film shell folding device 5 to move back to the upper film shell and battery cell station 3.

[0028] In this embodiment, the battery packaging machine further includes a second linear drive module 10, the driving end of the second linear drive module 10 is connected to the transfer fixture 6, and the second linear drive module 10 is used to drive the transfer fixture 6 to move back and forth between the lifting receiving mechanism 2 and the side sealing device 4. In actual application, the second linear drive module 10 drives the transfer fixture 6 to move to the lifting receiving mechanism 2 and clamp the top-sealed battery, and then drives the transfer fixture 6 to transfer the top-sealed battery to the side sealing device 4.

[0029] In this embodiment, the transfer fixture 6 includes a transfer lifting drive module 11, a transfer lifting plate 12 installed on the lifting end of the transfer lifting drive module 11, a transfer bottom plate 13 installed on the transfer lifting plate 12, a plurality of transfer suction cups 14 embedded in the transfer bottom plate 13, a pressure block 15 rotatably arranged on the transfer lifting plate 12, and a rotating drive mechanism 16 installed on the transfer lifting plate 12 and used to drive the pressure block 15 to rotate close to or away from the transfer bottom plate 13, the pressure block 15 is used to press the battery to be side-sealed on the transfer bottom plate 13, and the second jacking receiving avoidance groove 8 is opened on the transfer bottom plate 13; the second jacking receiving avoidance groove 8 is recessed inward from the side of the transfer bottom plate 13 close to the top sealing device 1.

[0030] In actual application, when the transfer fixture 6 moves to the lifting and receiving mechanism 2, the lifting and receiving end of the lifting and receiving mechanism 2 is located in the second lifting and receiving avoidance groove 8, and the transfer lifting drive module 11 drives the transfer lifting plate 12 to rise together with the transfer base plate 13 until the transfer base plate 13 carries the battery and sucks the battery tightly through multiple transfer suction cups 14, and then the rotation drive mechanism 16 drives the pressure block 15 to rotate in the direction close to the battery until the pressure block 15 presses the battery on the transfer base plate 13, and the position where the pressure block 15 presses the battery is close to the side sealing edge of the battery. When the transfer fixture 6 transfers the battery to the side sealing device 4, the side sealing device 4 performs side sealing on the side sealing edge of the battery. During the side sealing process, the pressure edge continues to press the position of the battery close to the side sealing edge, thereby improving the quality of the side sealing, so that the battery after side sealing will not have packaging dents and other poor appearance.

[0031] In this embodiment, the rotation drive mechanism 16 includes a rotation shaft 17 rotatably connected to the transfer lifting plate 12, a gear mounted on the rotation shaft 17, a rack 18 slidably connected to the transfer lifting plate 12 and meshing with the gear for transmission, and a linear driver 19 installed on the transfer lifting plate 12 and used to drive the rack 18 to reciprocate. One end of the pressing block 15 is installed on the rotation shaft 17. Specifically, the linear driver 19 can be a linear motor or a cylinder.

[0032] In practical applications, the linear drive 19 drives the rack 18 to move back and forth, the reciprocating rack 18 drives the gear to rotate back and forth, and the reciprocating gear drives the shaft 17 and the pressing block 15 to rotate back and forth, so that the pressing block 15 can press or release the battery.

[0033] In this embodiment, the jacking and receiving mechanism 2 includes a lifting and receiving driving module 20, a mounting plate 21 installed on the lifting end of the lifting and receiving driving module 20, and a plurality of suction cup assemblies 22 installed on the mounting plate 21. The first jacking and receiving avoidance groove 7 provides avoidance space for the plurality of suction cup assemblies 22, and the second jacking and receiving avoidance groove 8 provides avoidance space for the plurality of suction cup assemblies 22.

[0034] In actual application, the lifting drive module 20 drives the mounting plate 21 to rise together with the multiple suction cup assemblies 22 until the multiple suction cup assemblies 22 suck the battery at the top sealing position. At this time, the membrane shell folding device 5 can be opened and moved back to the upper membrane shell and battery cell station 3; after the transfer base plate 13 of the transfer fixture 6 carries the battery, the lifting drive module 20 drives the mounting plate 21 to descend together with the multiple suction cup assemblies 22 until the multiple suction cup assemblies 22 are separated from the battery, and the transfer fixture 6 can transfer the battery to the side sealing device 4.

[0035] In this embodiment, the membrane shell folding device 5 includes a moving seat 23, a lower folding plate 24 mounted on the moving seat 23, an upper folding plate 25 rotatably mounted on the moving seat 23 and used to fold with the lower folding plate 24, and a folding driving mechanism 26 mounted on the moving seat 23 and used to drive the upper folding plate 25 to fold or open relative to the lower folding plate 24, the upper folding plate 25 and the lower folding plate 24 are both embedded with a plurality of suction nozzles 28, the first jacking receiving avoidance groove 7 is arranged on the lower folding plate 24, and the first jacking receiving avoidance groove 7 is formed by being recessed inward from one side of the lower folding plate 24 close to the jacking receiving mechanism 2. Specifically, the structure of the folding driving mechanism 26 can be the same as that of the rotating driving mechanism 16.

[0036] In actual application, at the beginning, the lower folding plate 24 and the upper folding plate 25 are opened and in a flattened state, and the film shell is placed on the upper folding plate 25 and the lower folding plate 24, so that the upper shell of the film shell is located on the upper folding plate 25, and the lower shell of the film shell is located on the lower folding plate 24, and then the battery cell is placed in the lower shell of the film shell, and then the folding drive mechanism 26 drives the upper folding plate 25 to fold (rotate) relative to the lower folding plate 24 until the upper folding plate 25 and the lower folding plate 24 fold the film shell to cover the battery cell.

[0037] In this embodiment, the mounting plate 21 is provided with a position adjustment groove 27, which is used to adjust the position of the suction cup assembly 22 on the mounting plate 21. According to the size of different batteries, the positions of the plurality of suction cup assemblies 22 on the mounting plate 21 are adjusted through the position adjustment groove 27 to meet the requirements of the plurality of suction cup assemblies 22 for supporting batteries of different sizes.

[0038] like Figure 5 As shown, in another embodiment, the battery packaging machine also includes a corner sealing device 29 arranged between the top sealing device 1 and the side sealing device 4 and a lifting and supporting mechanism 30 arranged on the side of the corner sealing device 29, the number of transfer fixtures 6 is two, the two transfer fixtures 6 are staggered and relatively arranged, one transfer fixture 6 (transfer fixture one) moves back and forth between the lifting and supporting mechanism 2 and the lifting and supporting mechanism 30, and the other transfer fixture 6 (transfer fixture two) moves back and forth between the lifting and supporting mechanism 30 and the side sealing device 4; specifically, the structure of the lifting and supporting mechanism 30 can be roughly the same as the structure of the lifting and supporting mechanism 2.

[0039] In actual application, a transfer fixture 6 (transfer fixture one) transfers the top-sealed battery from the lifting and receiving mechanism 2 to the lifting and supporting mechanism 30, the lifting and supporting mechanism 30 lifts and supports the top-sealed battery, and the corner sealing position of the top-sealed battery is located in the corner sealing device 29, and the corner sealing device 29 performs corner sealing (corner sealing) treatment on the corner sealing position of the battery. During the corner sealing process, the transfer fixture 6 (transfer fixture one) can be moved back to the lifting and receiving mechanism 2 to transfer the next battery, and another transfer fixture 6 (transfer fixture two) transfers the corner-sealed battery supported by the lifting and supporting mechanism 30 to the side sealing device 4, and the side sealing device 4 performs side sealing treatment on the corner-sealed battery.

[0040] The structure of the transfer fixture 2 may be the same as or different from the structure of the transfer fixture 1.

[0041] All technical features in this embodiment can be freely combined according to actual needs.

[0042] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A battery packaging machine, characterized in that: The invention comprises a top sealing device (1), a lifting receiving mechanism (2) which is lifted and arranged on the front side of the top sealing device (1), an upper film shell and a cell station (3) and a side sealing device (4) which are respectively arranged on both sides of the top sealing device (1), a film shell folding device (5) which is movably arranged between the upper film shell and the cell station (3) and the lifting receiving mechanism (2), and a transfer fixture (6) which is movably arranged between the lifting receiving mechanism (2) and the side sealing device (4), wherein the film shell folding device (5) is provided with a first lifting receiving avoidance groove (7) which provides an avoidance space for the lifting receiving end of the lifting receiving mechanism (2), and the transfer fixture (6) is provided with a second lifting receiving avoidance groove (8) which provides an avoidance space for the lifting receiving end of the lifting receiving mechanism (2).

2. A battery packaging machine according to claim 1, characterized in that: The battery packaging machine also includes a first linear drive module (9), the drive end of which is connected to the film shell folding device (5), and the first linear drive module (9) is used to drive the film shell folding device (5) to move back and forth between the upper film shell and battery cell station (3) and the lifting and receiving mechanism (2).

3. A battery packaging machine according to claim 1, characterized in that: The battery packaging machine also includes a second linear drive module (10), the drive end of the second linear drive module (10) is connected to the transfer fixture (6), and the second linear drive module (10) is used to drive the transfer fixture (6) to move back and forth between the lifting and receiving mechanism (2) and the side sealing device (4).

4. A battery packaging machine according to claim 1, characterized in that: The transfer fixture (6) comprises a transfer lifting drive module (11), a transfer lifting plate (12) mounted on the lifting end of the transfer lifting drive module (11), a transfer bottom plate (13) mounted on the transfer lifting plate (12), a plurality of transfer suction cups (14) embedded in the transfer bottom plate (13), a pressing block (15) rotatably arranged on the transfer lifting plate (12), and a rotation driving mechanism (16) mounted on the transfer lifting plate (12) and used for driving the pressing block (15) to rotate close to or away from the transfer bottom plate (13), the pressing block (15) being used for pressing the battery to be side-sealed onto the transfer bottom plate (13), and a second lifting receiving avoidance groove (8) being provided on the transfer bottom plate (13).

5. A battery packaging machine according to claim 4, characterized in that: The rotation driving mechanism (16) comprises a rotating shaft (17) rotatably connected to the transfer lifting plate (12), a gear mounted on the rotating shaft (17), a rack (18) slidably connected to the transfer lifting plate (12) and meshing with the gear for transmission, and a linear driver (19) mounted on the transfer lifting plate (12) and used for driving the rack (18) to move back and forth. One end of the pressing block (15) is mounted on the rotating shaft (17).

6. A battery packaging machine according to claim 1, characterized in that: The lifting and receiving mechanism (2) comprises a lifting and receiving driving module (20), a mounting plate (21) mounted on the lifting end of the lifting and receiving driving module (20), and a plurality of suction cup assemblies (22) mounted on the mounting plate (21); a first lifting and receiving avoidance groove (7) provides avoidance space for the plurality of suction cup assemblies (22); and a second lifting and receiving avoidance groove (8) provides avoidance space for the plurality of suction cup assemblies (22).

7. A battery packaging machine according to claim 1, characterized in that: The membrane shell folding device (5) comprises a movable seat (23), a lower folding plate (24) mounted on the movable seat (23), an upper folding plate (25) rotatably mounted on the movable seat (23) and used for folding with the lower folding plate (24), and a folding driving mechanism (26) mounted on the movable seat (23) and used for driving the upper folding plate (25) to fold or open relative to the lower folding plate (24), the upper folding plate (25) and the lower folding plate (24) are both embedded with a plurality of suction nozzles (28), and a first lifting and receiving avoidance groove (7) is arranged on the lower folding plate (24).

8. A battery packaging machine according to claim 7, characterized in that: The first lifting receiving avoidance groove (7) is formed by being recessed inwardly from one side of the lower folding plate (24) close to the lifting receiving mechanism (2).

9. A battery packaging machine according to claim 6, characterized in that: The mounting plate (21) is provided with a position adjustment groove (27), and the position adjustment groove (27) is used to adjust the position of the suction cup assembly (22) on the mounting plate (21).

10. A battery packaging machine according to any one of claims 1 to 9, characterized in that: The battery packaging machine also includes a corner sealing device (29) arranged between the top sealing device (1) and the side sealing device (4) and a lifting and supporting mechanism (30) arranged beside the corner sealing device (29). The number of transfer fixtures (6) is two, and the two transfer fixtures (6) are staggered and arranged relative to each other. One transfer fixture (6) moves back and forth between the lifting and supporting mechanism (2) and the lifting and supporting mechanism (30), and the other transfer fixture (6) moves back and forth between the lifting and supporting mechanism (30) and the side sealing device (4).

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