A battery packaging device suitable for lithium battery processing

Abstract

The invention discloses a battery packaging device suitable for lithium battery processing, relates to the technical field of soft-pack lithium battery packaging, and is used to solve the problem that the aluminum-plastic film processing process is slow, and rapid top sealing after punching cannot be achieved, resulting in reduced overall packaging efficiency of subsequent soft-pack lithium batteries; the invention drives the movable arm on the driven disk to move up and down through the rotation of the transmission disk, pushes the slide plate to slide on the storage shell side, and simultaneously realizes the downward pressing of the punching blocks on both sides of the fixed block, thereby pushing out the groove table, and the pressing plate descends and the groove table rises to complete the punching work on the surface of the aluminum-plastic film, and the cutter located on the side of the pressing plate can also realize the cutting of the aluminum-plastic film, and the pressing plate flattens and squeezes the aluminum-plastic film to avoid deformation of the aluminum-plastic film surface during the punching process, and the aluminum-plastic film after the punching is completed will be left on the fixed frame because the groove table and the pressing plate are separated, so that the aluminum-plastic film that is cut and punched can be directional moved, and there is no need to set a material taking mechanism to carry out aluminum-plastic film molding and unloading, thereby improving the subsequent lithium battery packaging efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of soft-pack lithium battery packaging, and in particular to a battery packaging device suitable for lithium battery processing. Background Art

[0002] There are three main types of lithium battery packaging: cylindrical, square and soft pack. Different packaging structures mean different characteristics.

[0003] Among them, soft-pack lithium batteries are liquid lithium-ion batteries covered with a polymer shell. The biggest difference from other batteries lies in the soft packaging material: aluminum-plastic composite film, which is also the most critical and technically difficult material in soft-pack lithium batteries; soft packaging materials are usually divided into three layers, namely, the outer resistance layer is generally an outer protective layer composed of nylon BOPA or PET, the barrier layer is an intermediate layer of aluminum foil and an inner multifunctional high barrier layer;

[0004] For soft-pack lithium battery packaging, aluminum-plastic film is stamped and formed according to the cell size designed by the customer, and a pit for the core is punched out on the aluminum-plastic film using a forming mold, followed by aluminum-plastic film cutting and forming, packaging side sealing and top sealing, and after the liquid injection and pre-sealing processes are completed, the final static, forming and fixture shaping, the air bag on the aluminum-plastic film is punctured by a guillotine, and vacuum is drawn at the same time, so that the gas in the air bag and part of the electrolyte will be extracted, and then the second seal is immediately performed, and a soft-pack cell is basically formed. After the air bag is cut with the second seal, it is necessary to trim and fold the edges to ensure that the cell width does not exceed the standard. Usually, aluminum-plastic film processing and packaging are located at different stations. When preparing for aluminum-plastic film punching, a separate material taking mechanism is required to take out the pocket bag from the mold, and then place the cell accordingly. The overall aluminum-plastic film process is slow, and it is impossible to achieve rapid top sealing after punching, resulting in a decrease in the overall packaging efficiency of subsequent soft-pack lithium batteries;

[0005] To this end, we propose a battery packaging device suitable for lithium battery processing. Summary of the invention

[0006] The object of the present invention is to provide a battery packaging device suitable for lithium battery processing, so as to solve the problem that the aluminum-plastic film process is slow and cannot achieve rapid top sealing after punching, resulting in a decrease in the overall packaging efficiency of subsequent soft-pack lithium batteries;

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A battery packaging device suitable for lithium battery processing comprises a conveying frame, one side of the conveying frame is movably connected with a material unwinding roll, a punching mechanism is installed in the conveying frame, the punching mechanism comprises a storage shell, a slide plate and a fixed block, the inner walls of both sides of the conveying frame are fixed with storage shells by bolts, the inner wall of the storage shell is movably connected with a transmission disk, one side of the storage shell is movably connected with a driven disk, and the driven disk and the transmission disk are connected by a belt sleeve, a slide plate is slidably connected to a track on one side of the storage shell, one side of the driven disk is sleeved with a movable arm, and one end of the movable arm is movably connected to one side of the slide plate, one side of the slide plate is fixed with a fixed block by spot welding, and the bottom of the slide plate is symmetrically fixed with toothed columns;

[0009] A seating platform is fixedly connected in the conveying frame and located at the bottom of the flushing mechanism, a handling mechanism is symmetrically installed on the top of the conveying frame, and an alternating platform is installed in the conveying frame and located at the side of the flushing mechanism.

[0010] Furthermore, the conveying mechanism includes an electric push rod and a slide. The top of the conveying frame is slidably connected to the slide, and the slide is located inside the conveying frame and a mechanical clamping arm is installed. The top of the conveying frame is fixed with an electric push rod by bolts, and one end of the electric push rod is fixed to one side of the slide. A transmission belt is installed in the conveying frame.

[0011] Furthermore, punching blocks are fixed on both sides of the fixed block by bolts, a pressure plate is slidably mounted on the punching block, a cutter is mounted on the pressure plate, and springs are symmetrically mounted on opposite sides of the fixed block and the pressure plate.

[0012] Furthermore, a placement cavity is symmetrically opened in the seat platform, a groove platform is installed on the top of the seat platform, and both sides of the groove platform pass through the placement cavity and are slidably connected to the placement cavity, tunnels are symmetrically opened on the top of the groove platform, and gear channels are symmetrically opened on the inner and outer walls of the groove platform located in the placement cavity.

[0013] Furthermore, a fixing frame is fixedly connected inside the trough platform and located on the seat platform, and a second transmission belt is installed inside the fixing frame.

[0014] Furthermore, the inner walls on both sides of the placement cavity are movably connected with gear sleeves, one end of the gear column passes through the placement cavity and is meshedly connected to the gear sleeve, and the gear sleeve is meshedly connected to the tooth path on the groove platform.

[0015] Furthermore, a material moving plate three is slidably connected to both sides of the top of the alternating table, a material moving plate two is slidably connected inside the alternating table and at the bottom of the material moving plate three, a transmission belt three is installed on the inner wall of the alternating table, the material moving plate three and the material moving plate two are respectively connected to the upper and lower sides of the transmission belt three, a material moving plate one is slidably connected to the top of the material moving plate two, and the bottom protrusion of the material moving plate one is clamped with the groove on the alternating table, and a folding mechanism is installed on the material moving plate one and the material moving plate three.

[0016] Furthermore, the folding mechanism includes a locking sleeve and a heating strip, the locking sleeve is fixed on the material moving plate one and the material moving plate three by spot welding, the locking sleeve is symmetrically rotatably connected with a clamping plate, and the clamping plate is slidably connected with a heating strip.

[0017] Furthermore, a moving frame is slidably connected inside the first material shifting plate and located at the bottom of the locking sleeve, the bottom of the moving frame is in contact with the second material shifting plate, and a lifting rod is symmetrically and movably connected to the moving frame, and the lifting rod is correspondingly and movably connected to the side of the clamping plate.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, the movable arm on the driven plate is driven to move up and down by the rotation of the transmission plate, so as to push the slide plate to slide on the storage shell side and realize the pressing of the punching blocks on both sides of the fixed block. When the slide plate descends, it first pushes the gear sleeve in the placement cavity to rotate, so as to push the groove table out, and the pressing plate descends and the groove table rises to complete the punching work on the surface of the aluminum-plastic film. The cutter located on the side of the pressing plate can also cut the aluminum-plastic film, and the pressing plate flattens and squeezes the aluminum-plastic film to avoid deformation of the aluminum-plastic film surface during the punching process. After the punching is completed, the aluminum-plastic film will be left on the fixed frame because the groove table and the pressing plate are separated. With the rotation of the second transmission belt, the aluminum-plastic film that is cut and punched can be directional moved, and there is no need to set a material taking mechanism to carry out aluminum-plastic film forming and unloading, thereby improving the subsequent lithium battery packaging efficiency;

[0020] 2. In the present invention, the aluminum-plastic film is placed on the surface of the folding mechanism on the first and third material transfer plates after the punching is completed, and the aluminum-plastic film is picked up during the movement of the aluminum-plastic film, and the first and third material transfer plates on the alternating table move. The first material transfer plate automatically descends during the movement of the first material transfer plate, and the lifting rod connected to the clamping plate during the descending process of the first material transfer plate gives downward pressure to the moving frame, driving the entire moving frame to shrink while completing the flipping of the entire clamping plate, that is, the first material transfer plate drives the moving frame to shrink while descending, and the descending amplitude of the first material transfer plate is greater than the contraction amplitude of the moving frame, so that when the first material transfer plate moves alternately, it will no longer hinder the movement of the third material transfer plate and complete the folding of the pocket bag with the battery cell between the clamping plates. Compared with the automatic mechanical folding, the overall power consumption is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of a battery packaging device suitable for lithium battery processing according to the present invention;

[0022] Figure 2 It is a schematic diagram of the overall structure of the punching mechanism of the present invention;

[0023] Figure 3 This is a schematic diagram of the installation of the punching block and the pressing plate on the fixing block of the present invention;

[0024] Figure 4This is a schematic diagram of the main cross-sectional structure of the seat platform of the present invention;

[0025] Figure 5 This is a schematic diagram of the installation structure of the fixing frame on the trough table of the present invention;

[0026] Figure 6 It is a schematic diagram of the installation and folding mechanism of the material transfer plate 1 and the material transfer plate 3 on the alternating table of the present invention;

[0027] Figure 7 It is a schematic diagram of the folded structure of an upper clamping plate of a material transfer plate of the present invention.

[0028] In the figure: 1. conveyor frame; 2. transmission belt 1; 3. unwinding roll; 4. seat; 5. punching mechanism; 501. storage shell; 502. transmission plate; 503. driven plate; 504. movable arm; 505. slide plate; 506. fixed block; 507. tooth column; 6. punching block; 7. pressure plate; 8. cutter; 9. spring; 10. groove table; 11. tooth track; 12. tunnel; 13. fixed frame; 14. transmission belt 2; 15. placement cavity; 16. gear sleeve; 17. handling mechanism; 171. electric push rod; 172. slide table; 18. alternating table; 19. transmission belt 3; 20. material transfer plate 1; 21. folding mechanism; 211. locking sleeve; 212. clamping plate; 213. heating strip; 22. material transfer plate 2; 23. moving frame; 24. lifting rod; 25. material transfer plate 3. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-7 , the present invention provides a technical solution:

[0031] Example 1: Lithium battery soft pack cells can be designed into different sizes according to customer needs. When the outer dimensions are designed, it is necessary to make a corresponding mold to stamp the aluminum-plastic film. The molding process is also called punching, which is to use a molding mold to punch a hole on the aluminum-plastic film that can be rolled up. After the aluminum-plastic film is punched, it is cut and formed, generally called a pocket bag. Generally, a single hole is selected when the cell is thin, and a double hole is selected when the cell is thick. Figure 1 As shown, the battery packaging device suitable for lithium battery processing is used for punching and subsequent top sealing processes, and then the top-sealed aluminum-plastic film core is carried by the top handling mechanism 17 of the conveyor frame 1 to the transmission belt 1 2, and then moved to other stations for the remaining lithium battery soft package side sealing, first sealing and second sealing;

[0032] like Figure 1 As shown, a transmission belt 2 is installed inside the entire conveyor frame 1, and the lithium battery cells with good orientation are evenly placed on the transmission belt 2, usually with the cell pole ears facing inward, and the rolled aluminum-plastic film is conveyed by the unwinding reel 3 and the guide roller, and continuously enters the mold on the seat 4 to start the punching operation. For this purpose, a punching mechanism 5 is installed inside the conveyor frame 1. According to the thickness of the cell, the operator can adjust the number and spacing of the punching blocks 6 on both sides of the fixed block 506 by himself to ensure the accurate storage of the cell;

[0033] like Figure 2 As shown, the punching mechanism 5 includes a slide plate 505 that moves up and down. The driven plate 503 is driven to rotate by the rotation of the transmission plate 502 in the storage shell 501. The movable arm 504 arranged on the side of the driven plate 503 drives the slide plate 505 to move up and down on the track surface. A fixed block 506 is fixed on the slide plate 505, and a pressure plate 7 is slidably connected to the bottom of the fixed block 506. Figure 3 As described above, the punching block 6 is slidably connected with the pressing plate 7. When the pressing plate 7 descends, it first contacts the surface of the aluminum-plastic film, and uses the spring 9 to push the aluminum-plastic film to be pressed on the seat 4 to avoid deformation of the surface of the aluminum-plastic film during the punching process. Then, the slide plate 505 continues to descend after the pressing plate 7 is pressed. At this time, the punching block 6 penetrates the pressing plate 7 and contacts the surface of the aluminum-plastic film to complete the punching work, and the cutter 8 located on the side of the pressing plate 7 simultaneously completes the cutting of the aluminum-plastic film to form a separate pocket bag.

[0034] like Figure 5 As shown, since the surface pit of the aluminum-plastic film is located in the pit 12 on the groove platform 10, it cannot move normally. Figure 4 As shown, upper tooth columns 507 are fixed on both sides of the slide plate 505, and the tooth columns 507 extend into the placement cavity 15 in the seat 4. A tooth sleeve 16 is movably connected in the placement cavity 15. One side of the tooth column 507 is meshed with the tooth sleeve 16. When the slide plate 505 drives the tooth column 507 to descend, the rotation of the tooth sleeve 16 pushes the groove platform 10 meshed with the other side to move upward. The groove platform 10 is provided with tooth paths 11 on both sides and meshed with the tooth sleeve 16. Figure 5As shown, a fixing frame 13 is arranged inside the slot table 10, and a transmission belt 14 is installed inside the fixing frame 13. The rising slot table 10 is flush with the fixing frame 13. At this time, with the pressing of the pressing plate 7 and the subsequent contact of the punching block 6, the pit forming on the surface of the aluminum-plastic film is completed. Then, during the rising process of the slide plate 505, the slot table 10 is synchronously lowered, and the aluminum-plastic film after the punching is left on the fixing frame 13. Then, the punched pocket bag is moved to the alternating table 18 by rotating the transmission belt 14. At the same time, during the movement of the pocket bag, the handling mechanism 17 located at the top of the conveyor frame 1 drives the slide 172 to move forward and backward by using the electric push rod 171. The mechanical arm arranged at the bottom of the slide 172 clamps the single battery cell on the transmission belt 2 in advance and moves it to the pit of the aluminum-plastic film, and then performs the mobile top sealing work.

[0035] Example 2: Figure 6 As shown, the top seal of the battery cell is to seal the pole ear, which is metal, aluminum for the positive electrode and nickel for the negative electrode. During packaging, the PP in the pole ear glue and the PP layer of the aluminum plastic film are melted and bonded to form an effective packaging structure. The upper and lower material transfer plates 3 25 and the material transfer plate 1 20 are driven to move alternately by the left and right rotation of the transmission belt 3 19 on the alternating table 18, and the pocket bag with the battery cell is received and folded and sealed at the same time;

[0036] The single-side material transfer plate 3 25 moves smoothly on the top of the alternating platform 18, and is the same as the material transfer plate 1 20. A folding mechanism 21 is installed on the top. Figure 7 As shown, the folding mechanism 21 is composed of a clamping plate 212 and a heating strip 213. The clamping plate 212 is located on the locking sleeve 211. The clamping plate 212 on the material shifting plate 25 is driven to open and close by an electric motor. The gears on the center side of the clamping plate 212 are engaged and rotated to close the clamping plate 212 and seal the two sides of the aluminum-plastic film. At the same time, according to the different folding sizes of the aluminum-plastic film, the position of the heating strip 213 on the clamping plate 212 can be adjusted automatically to facilitate accurate positioning.

[0037] The folding mechanism 21 on the material moving plate 120 slides over the bottom of the material moving plate 3 25 during alternating work. The material moving plate 120 moves and descends, and a moving frame 23 is slidably connected to the material moving plate 120 at the bottom of the clamping plate 212. The bottom of the moving frame 23 contacts the material moving plate 22. The material moving plate 22 is located on the middle track of the alternating platform 18. The cam extending from the bottom of the material moving plate 120 is clamped in the side notch. The height of the material moving plate 120 at the top of the material moving plate 22 is limited by the notch. When the entire material moving plate 120 descends, the moving frame 23 moves along with it. During the descending process of the material moving plate 120, the lifting rod 24 connected to the clamping plate 212 gives downward pressure to the moving frame 23, driving the entire moving frame 23 to shrink. At the same time, the entire clamping plate 212 is turned over, that is, the material transfer plate 1 20 is lowered and the moving frame 23 is contracted. At the same time, the material transfer plate 1 20 is lowered by a greater range than the contraction range of the moving frame 23, so that when the entire material transfer plate 1 20 moves alternately, it will no longer hinder the movement of the material transfer plate 3 25 and complete the folding of the pocket bag with the battery cell between the clamping plates 212. Compared with the transmission folding on the material transfer plate 3 25, the overall power consumption is lower. By the alternating movement of the material transfer plate 1 20 and the material transfer plate 3 25 on the alternating platform 18, the pocket bag with the battery cell is received and folded and sealed at the same time. Finally, another transport mechanism 17 on the top of the conveying frame 1 clamps the unformed lithium battery soft pack battery cell and brings it to the transmission belt 1 2 again, and transports it to the next sealing station.

[0038] The front half of the same transmission belt 2 is used for storing and moving the battery cells, while the rear half is used for moving the lithium battery soft-pack battery cells. At the same time, the alternate folding and top sealing method has a higher sealing efficiency and accelerates the overall sealing progress of the lithium battery soft-pack battery cells.

[0039] The working principle of the present invention is as follows: the lithium battery cells to be sealed are evenly placed on the transmission belt 2, and the aluminum-plastic film roll is installed on the unwinding roll 3, and moves to the seat 4 through the guide roller;

[0040] The motor in the storage shell 501 is started to drive the transmission disk 502 to rotate. When the transmission disk 502 rotates, the movable arm 504 on the driven disk 503 moves up and down, and the fixed block 506 on the slide plate 505 is pulled down to press down. The tooth column 507 at the bottom of the slide plate 505 contacts the tooth sleeve 16 in the placement cavity 15, and drives the tooth sleeve 16 to rotate while pushing the groove platform 10 on the other side to move upward. After contacting the bottom of the aluminum-plastic film, the pressing plate 7 on the fixed block 506 completes the covering of the aluminum-plastic film on the surface of the groove platform 10, and then the pitting block 6 that descends contacts the surface of the aluminum-plastic film to complete the formation of pits on the surface of the aluminum-plastic film. At the same time, the side cutter 8 on the pressing plate 7 completes the cutting of the aluminum-plastic film.

[0041] As the slide plate 505 rises, the aluminum-plastic film left on the top of the fixed frame 13 moves toward the alternating table 18 under the movement of the transmission belt 2 14. At the same time, the electric push rod 171 on the top of the conveyor frame 1 controls the movement of the slide 172. The clamp at the bottom of the slide 172 completes the battery cell clamping on the transmission belt 1 2 and stores the battery cell in the aluminum-plastic film pit.

[0042] When the aluminum-plastic film with the battery cell comes to the top folding mechanism 21 of the material transfer plate 120, the motor on the alternating table 18 drives the transmission belt 3 19 to rotate. While the material transfer plate 22 moves, the top material transfer plate 120 is limited by the notch and starts to move downward. During the descending process of the material transfer plate 120, the lifting rod 24 connected to the clamping plate 212 applies downward pressure to the moving frame 23, driving the entire moving frame 23 to shrink while completing the flipping of the entire clamping plate 212. That is, the material transfer plate 120 descends and drives the moving frame 23 to shrink. Then the material transfer plate 3 25 moves to the aluminum-plastic film receiving position to receive the subsequent aluminum-plastic film.

[0043] The closed aluminum-plastic film on the clamping plate 212 is top-sealed through the heating strip 213, and then is clamped by the bottom clamp of the slide 172 and moved to the transmission belt 2, while the aluminum-plastic film on the transfer plate 3 25 is directly flipped through the clamping plate 212 to complete the top sealing of the aluminum-plastic film, and then the top-sealed aluminum-plastic film is also moved to the transmission belt 2 through the conveying mechanism 17.

[0044] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A battery packaging device suitable for lithium battery processing, comprising a conveyor frame (1), characterized in that: A material unwinding reel (3) is movably connected to one side of the conveying frame (1), a punching mechanism (5) is installed in the conveying frame (1), and the punching mechanism (5) comprises a storage shell (501), a slide plate (505) and a fixing block (506). The storage shell (501) is fixed to the inner walls of both sides of the conveying frame (1) by bolts, the inner wall of the storage shell (501) is movably connected to a driving disk (502), and one side of the storage shell (501) is movably connected to a driven disk (503), and the storage shell (501) is movably connected to the driven disk (503). The moving disk (503) and the transmission disk (502) are connected by a belt sleeve, a slide plate (505) is slidably connected to a track on one side of the storage shell (501), a movable arm (504) is movably connected to one side of the driven disk (503), and one end of the movable arm (504) is movably connected to one side of the slide plate (505), a fixing block (506) is fixed to one side of the slide plate (505) by spot welding, and a tooth column (507) is symmetrically fixed to the bottom of the slide plate (505); A seating platform (4) is fixedly connected inside the conveying frame (1) and located at the bottom of the flushing mechanism (5); a handling mechanism (17) is symmetrically installed on the top of the conveying frame (1); and an alternating platform (18) is installed inside the conveying frame (1) and located on the side of the flushing mechanism (5); Punching blocks (6) are fixed to both sides of the fixing block (506) by bolts, a pressing plate (7) is sleeved and slidably connected to the punching block (6), a cutting knife (8) is mounted on the pressing plate (7), and springs (9) are symmetrically sleeved on opposite surfaces of the fixing block (506) and the pressing plate (7); The seat platform (4) has a placement cavity (15) symmetrically formed therein, a slot platform (10) is installed on the top of the seat platform (4), and both sides of the slot platform (10) pass through the placement cavity (15) and are slidably connected to the placement cavity (15), a pit (12) is symmetrically formed on the top of the slot platform (10), and tooth paths (11) are symmetrically formed on the inner and outer walls of the slot platform (10) located at the placement cavity (15); A fixing frame (13) is fixedly connected inside the trough platform (10) and located on the seat platform (4), and a second transmission belt (14) is installed inside the fixing frame (13); The inner walls of both sides of the placement cavity (15) are movably connected with gear sleeves (16), one end of the gear column (507) passes through the placement cavity (15) and is meshedly connected with the gear sleeve (16), and the gear sleeve (16) is meshedly connected with the tooth track (11) on the groove platform (10).

2. A battery packaging device suitable for lithium battery processing according to claim 1, characterized in that: The transport mechanism (17) comprises an electric push rod (171) and a slide (172); the top of the conveying frame (1) is slidably connected to the slide (172); the slide (172) is located inside the conveying frame (1) and is equipped with a mechanical clamping arm; the top of the conveying frame (1) is fixed with an electric push rod (171) by bolts; one end of the electric push rod (171) is fixed to one side of the slide (172); a transmission belt (2) is installed inside the conveying frame (1).

3. A battery packaging device suitable for lithium battery processing according to claim 1, characterized in that: The top two sides of the alternating platform (18) are slidably connected with a material shifting plate three (25), and the inside of the alternating platform (18) and located at the bottom of the material shifting plate three (25) are slidably connected with a material shifting plate two (22), and the inner wall of the alternating platform (18) is installed with a transmission belt three (19), and the material shifting plate three (25) and the material shifting plate two (22) are respectively connected to the upper and lower sides of the transmission belt three (19), and the top of the material shifting plate two (22) is slidably connected with a material shifting plate one (20), and the bottom protrusion of the material shifting plate one (20) is engaged with the groove on the alternating platform (18), and the material shifting plate one (20) and the material shifting plate three (25) are installed with a folding mechanism (21).

4. A battery packaging device suitable for lithium battery processing according to claim 3, characterized in that: The folding mechanism (21) comprises a locking sleeve (211) and a heating strip (213); the locking sleeve (211) is fixed to the material moving plate 1 (20) and the material moving plate 3 (25) by spot welding; a clamping plate (212) is symmetrically rotatably connected to the locking sleeve (211); and the heating strip (213) is slidably connected to the clamping plate (212).

5. A battery packaging device suitable for lithium battery processing according to claim 4, characterized in that: A moving frame (23) is slidably connected inside the first material transfer plate (20) and located at the bottom of the locking sleeve (211). The bottom of the moving frame (23) is in contact with the second material transfer plate (22). A lifting rod (24) is symmetrically movably connected to the moving frame (23). The lifting rod (24) is correspondingly movably connected to the side of the clamping plate (212).

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