A lithium battery copper foil flattening and dust removing device

Abstract

The application discloses a kind of lithium battery copper foil flattening dust removal device, including base, base top end is sequentially provided with guiding system, flattening system and dust removal system from left to right;Guiding system includes the first support frame of fixed connection in the top end of base, first support frame is rotatably connected with first rotating shaft, and first rotating shaft is fixedly connected with guide roller;Flattening system includes the second support frame of fixed connection in the top end of base, and second support frame is provided with flattening assembly;Dust removal system includes the third support frame of fixed connection in the top end of base, and third support frame is provided with dust removal assembly and cleaning assembly, and dust removal assembly and cleaning assembly are correspondingly provided;Guide roller, flattening assembly and dust removal assembly are correspondingly provided with copper foil respectively.The application realizes the flattening and dust removal treatment of copper foil, reduces the labor intensity of operator, guarantees the dust removal effect of copper foil and overall production efficiency.

Description

Technical Field

[0001] This invention relates to the field of copper foil processing equipment, and in particular to a lithium battery copper foil flattening and dust removal device. Background Technology

[0002] A lithium battery is a primary battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. Copper foil is a cathodic electrolyte material, a thin, continuous metal foil deposited on the substrate layer of a circuit board. It easily adheres to the insulating layer, receives the printed protective layer, and forms the circuit pattern after etching. Copper foil is an important component of lithium batteries and requires flattening and dust removal during the production process to ensure the normal operating efficiency of the lithium battery in the later stages.

[0003] In existing technologies, copper foil flattening is mostly done by rolling. After the copper foil is flattened, dust easily falls onto the surface of the copper foil. Existing dust removal devices mostly rely on dust removal sponges. After long-term use, the dust removal sponges will accumulate a large amount of dust, reducing the dust removal effect on the copper foil. Therefore, the dust removal sponges need to be replaced and cleaned frequently, which increases the workload of operators. Moreover, the production line needs to be stopped when replacing them, which reduces the overall production efficiency.

[0004] Therefore, there is an urgent need for a lithium battery copper foil flattening and dust removal device to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a lithium battery copper foil flattening and dust removal device to solve the problems existing in the prior art.

[0006] To achieve the above objectives, the present invention provides the following solution: The present invention provides a lithium battery copper foil flattening and dust removal device, including a base, wherein a guiding system, a flattening system and a dust removal system are arranged sequentially from left to right on the top of the base;

[0007] The guiding system includes a first support frame fixedly connected to the top of the base, a first rotating shaft rotatably connected to the first support frame, and a guide roller fixedly connected to the first rotating shaft.

[0008] The flattening system includes a second support frame fixedly connected to the top of the base, and a flattening component is provided on the second support frame;

[0009] The dust removal system includes a third support frame fixedly connected to the top of the base. The third support frame is equipped with a dust removal component and a cleaning component, which are correspondingly arranged.

[0010] The guide roller, the flattening assembly, and the dust removal assembly are respectively arranged corresponding to the copper foil.

[0011] Preferably, the dust removal assembly includes a plurality of rotating shafts rotatably connected to the third support frame. The plurality of rotating shafts are distributed at equal intervals along the axial direction. A driving component is coaxially fixedly connected to one end of each rotating shaft. A flip-up telescopic component is provided on the third support frame. The driving component is pulsatorically connected to the flip-up telescopic component. A fixing plate is provided at the end of the flip-up telescopic component away from the rotating shaft. A dust removal sponge is fixedly connected to one side of the fixing plate. The cleaning component and the copper foil are respectively provided corresponding to the dust removal sponge. A plurality of first motors are fixedly connected to the side of the third support frame away from the dust removal sponge. The end of the rotating shaft away from the dust removal sponge is fixedly connected to the output shaft of the first motor.

[0012] Preferably, the third support frame has a first circular hole and a second circular hole. The flip-up telescopic component includes a first support tube and a first telescopic rod. The first support tube is fixedly connected in the first circular hole, and the first telescopic rod is slidably connected to the second circular hole. A second support tube is rotatably connected in the first support tube. A second telescopic rod is slidably connected to the end of the second support tube away from the rotating shaft. The end of the second telescopic rod away from the second support tube is fixedly connected to the fixed plate. The second telescopic rod and the first telescopic rod are limited by a fixed frame. The second telescopic rod and the second support tube are respectively connected to the driving component for transmission.

[0013] Preferably, the driving component includes a driving cylinder coaxially and fixedly connected to one end of the rotating shaft. A first driving groove is formed on the outer wall of the driving cylinder. One end of the second telescopic rod away from the fixed plate is fixedly connected to one end of the first support rod. The other end of the first support rod is fixedly connected to a first driving block. The first driving block is slidably connected to the first driving groove.

[0014] Preferably, a drive disk is coaxially fixedly connected to one end of the drive cylinder away from the rotation axis, and a second drive groove is formed on the side of the drive disk away from the drive cylinder. One end of the second support tube away from the fixed plate is fixedly connected to one end of the second support rod, and a second drive block is fixedly connected to the other end of the second support rod. The second drive block is slidably connected to the second drive groove.

[0015] Preferably, the cleaning assembly includes a cleaning box fixedly connected to the third support frame. A plurality of fourth support frames are equally spaced along the axial direction at the top of the cleaning box. A cleaning component is provided on the fourth support frame. The cleaning component is correspondingly arranged with the dust removal sponge. A plurality of air intakes are equally spaced along the axial direction at the top of the cleaning box. The air intakes are located below the cleaning component and are correspondingly arranged with the cleaning component. A fan is fixedly connected to the bottom of the cleaning box.

[0016] Preferably, the cleaning component includes a central shaft rotatably connected to the fourth support frame, a cleaning roller fixedly connected to the central shaft, the cleaning roller being correspondingly arranged with the dust removal sponge, a second motor fixedly connected to the fourth support frame, and one end of the central shaft passing through the fourth support frame and fixedly connected to the output shaft of the second motor.

[0017] Preferably, a plurality of cleaning brushes are fixedly connected to the outer wall of the cleaning roller, and the cleaning brushes are arranged correspondingly to the dust removal sponge.

[0018] Preferably, the flattening assembly includes two extrusion rollers rotatably connected to the second support frame, the two extrusion rollers being arranged correspondingly and a gap being provided between the two extrusion rollers, the copper foil being located within the gap, and two third motors being fixedly connected to the second support frame, with the two extrusion rollers being respectively drivenly connected to the two third motors.

[0019] Preferably, limit strips are fixedly connected to both ends of the outer sidewalls of the first telescopic rod and the second telescopic rod, and limit grooves are formed on the inner sidewalls of the second circular hole and the second support tube, with the limit strips and the limit grooves being slidably connected.

[0020] The present invention discloses the following technical effects:

[0021] This invention provides a lithium battery copper foil flattening and dust removal device. The copper foil passes sequentially through a guide roller, a flattening component, and a dust removal component. The guide roller guides the copper foil, the flattening component flattens the copper foil, and after flattening, the dust removal component removes dust from the copper foil. After dust removal, the processed copper foil is wound up. The dust removal component achieves multi-layer dust removal of the copper foil, ensuring dust removal effect. At the same time, the dust removal component accumulates a lot of dust after long-term use. A cleaning component is set up to clean the dust removal component, eliminating the need for frequent disassembly of the dust removal component, reducing the workload of operators. The cleaning process is simple, convenient, and efficient. After cleaning, the copper foil is cleaned again, ensuring overall production efficiency. In addition, by controlling the dust removal component, multi-level distribution of cleaning and dust removal can be achieved, and the cleaning of the dust removal component can be carried out without stopping the copper foil production line, ensuring overall production efficiency. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1This is a schematic diagram of the top surface structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the cleaning component structure in the cleaning state of the present invention;

[0025] Figure 3 This is a schematic diagram of the unfolded state of the dust collection component of the present invention;

[0026] Figure 4 This is a schematic diagram of the cleaning box structure of the present invention;

[0027] Figure 5 This is a schematic diagram of the second drive groove structure of the present invention;

[0028] Figure 6 This is a schematic diagram of the top surface structure of the device in Embodiment 2 of the present invention;

[0029] The components include: 1. Base; 2. First support frame; 3. First rotating shaft; 4. Guide roller; 5. Second support frame; 6. Third support frame; 7. Copper foil; 8. Rotating shaft; 9. Fixing plate; 10. Dust removal sponge; 11. First motor; 12. First round hole; 13. Second round hole; 14. First support tube; 15. First telescopic rod; 16. Second support tube; 17. Second telescopic rod; 18. Fixing frame; 19. Drive cylinder; 20. First drive groove; 1. First support rod; 22. First drive block; 23. Drive disc; 24. Second drive groove; 25. Second support rod; 26. Second drive block; 27. Cleaning box; 28. Fourth support frame; 29. ​​Air inlet; 30. Fan; 31. Central shaft; 32. Cleaning roller; 33. Second motor; 34. Cleaning brush; 36. Squeeze roller; 37. Third motor; 38. Limiting strip; 39. Limiting groove; 40. First sprocket; 41. Second sprocket. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] refer to Figure 1-5 The present invention provides a lithium battery copper foil flattening and dust removal device, including a base 1, and a guiding system, a flattening system and a dust removal system are arranged sequentially from left to right on the top of the base 1;

[0033] The guiding system includes a first support frame 2 fixedly connected to the top of the base 1, a first rotating shaft 3 rotatably connected to the first support frame 2, and a guide roller 4 fixedly connected to the first rotating shaft 3;

[0034] The flattening system includes a second support frame 5 fixedly connected to the top of the base 1, and a flattening component is provided on the second support frame 5;

[0035] The dust removal system includes a third support frame 6 fixedly connected to the top of the base 1. The third support frame 6 is equipped with a dust removal component and a cleaning component, which are correspondingly arranged.

[0036] The guide roller 4, the flattening assembly, and the dust removal assembly are respectively set to correspond to the copper foil 7.

[0037] The dust removal component is further optimized by including several rotating shafts 8 rotatably connected to the third support frame 6. The rotating shafts 8 are evenly spaced along the axial direction. One end of each rotating shaft 8 is coaxially fixedly connected to a driving component. The third support frame 6 is provided with a flip-and-telescopic component. The driving component is connected to the flip-and-telescopic component in a transmission connection. A fixing plate 9 is provided at the end of the flip-and-telescopic component away from the rotating shaft 8. A dust removal sponge 10 is fixedly connected to one side of the fixing plate 9. The cleaning component and the copper foil 7 are respectively arranged corresponding to the dust removal sponge 10. Several first motors 11 are fixedly connected to the side of the third support frame 6 away from the dust removal sponge 10. The end of the rotating shaft 8 away from the dust removal sponge 10 is fixedly connected to the output shaft of the first motor 11.

[0038] The dust removal components consist of two sets arranged vertically, with several dust removal sponges 10 ensuring effective dust removal of the copper foil 7. The drive mechanism flips and extends the telescopic component, controlling the dust removal sponge 10 to flip and extend into the copper foil 7 to contact it. The dust removal sponge 10 cleans the dust on the copper foil 7. At the same time, the drive mechanism controls the flipping and telescopic component to retract and flip the dust removal sponge 10. After retraction and flipping, it separates from the copper foil 7. The cleaning component cleans the dust removal sponge 10, and after cleaning, the dust removal sponge 10 is controlled to remove dust from the copper foil 7.

[0039] The scheme is further optimized. The third support frame 6 is provided with a first circular hole 12 and a second circular hole 13. The flip telescopic component includes a first support tube 14 and a first telescopic rod 15. The first support tube 14 is fixedly connected in the first circular hole 12. The first telescopic rod 15 is slidably connected to the second circular hole 13. A second support tube 16 is rotatably connected in the first support tube 14. A second telescopic rod 17 is slidably connected to the end of the second support tube 16 away from the rotating shaft 8. The end of the second telescopic rod 17 away from the second support tube 16 is fixedly connected to the fixing plate 9. The second telescopic rod 17 and the first telescopic rod 15 are limited and cooperated by the fixing frame 18. The second telescopic rod 17 and the second support tube 16 are respectively connected to the driving component for transmission.

[0040] The first telescopic rod 15 is controlled to extend and retract by the drive component. When the first telescopic rod 15 extends and retracts, it drives the second telescopic rod 17 to move synchronously through the fixed frame 18. When the second telescopic rod 17 extends and retracts, it realizes the extension and retraction control of the dust removal sponge 10, controlling the contact and separation of the dust removal sponge 10 with the copper foil 7. The drive component controls the rotation of the second support tube 16, and the second support tube 16 controls the synchronous rotation of the second telescopic rod 17. When the second telescopic rod 17 rotates, it realizes the flipping of the dust removal sponge 10, so that the dust removal sponge 10 is flipped from a vertical state of 90° to a vertical state, and then cleaned by the cleaning component.

[0041] The scheme is further optimized. The driving component includes a driving cylinder 19 that is coaxially fixedly connected to one end of the rotating shaft 8. A first driving groove 20 is provided on the outer wall of the driving cylinder 19. One end of the second telescopic rod 17 away from the fixed plate 9 is fixedly connected to one end of the first support rod 21. The other end of the first support rod 21 is fixedly connected to the first driving block 22. The first driving block 22 is slidably connected to the first driving groove 20.

[0042] The first drive groove 20 is a wave-shaped drive groove arranged around the drive cylinder 19. As the drive cylinder 19 rotates, the first drive block 22 slides in the wave-shaped drive groove. When sliding, the first drive block 22 drives the first telescopic rod 15 to make a lateral reciprocating motion, thereby realizing the lateral extension and retraction of the first telescopic rod 15.

[0043] In a further optimized design, a drive disk 23 is coaxially fixedly connected to one end of the drive cylinder 19 away from the rotation shaft 8. A second drive groove 24 is opened on the side of the drive disk 23 away from the drive cylinder 19. One end of the second support tube 16 away from the fixed plate 9 is fixedly connected to one end of the second support rod 25. The other end of the second support rod 25 is fixedly connected to the second drive block 26. The second drive block 26 is slidably connected to the second drive groove 24.

[0044] The second drive groove 24 is a ring structure. When the drive disk 23 rotates, the second drive block 26 slides in the ring structure. The second support rod 25 has a fixed length. By setting the shape of the ring structure, the sliding trajectory of the second drive block 26 is controlled. The second support rod 25 with a fixed transmission degree controls the second support tube 16 to perform a 90° repeated flipping motion, and at the same time, its flipping process corresponds to the extension and retraction process of the first telescopic rod 15.

[0045] The solution is further optimized. The cleaning component includes a cleaning box 27 fixedly connected to the third support frame 6. Several fourth support frames 28 are evenly spaced along the axial direction at the top of the cleaning box 27. Cleaning components are set on the fourth support frames 28. The cleaning components are correspondingly set with the dust removal sponge 10. Several air intakes 29 are evenly spaced along the axial direction at the top of the cleaning box 27. The air intakes 29 are located below the cleaning components and are correspondingly set with the cleaning components. A fan 30 is fixedly connected to the bottom of the cleaning box 27.

[0046] After the dust removal sponge 10 is recycled and flipped, it is cleaned by the cleaning component. The cleaned dust is then adsorbed into the cleaning box 27 through the air intake 29, thus collecting the dust for later unified treatment and preventing the dust from being re-adsorbed onto the copper foil 7.

[0047] The cleaning component is further optimized by including a central shaft 31 rotatably connected to the fourth support frame 28, a cleaning roller 32 fixedly connected to the central shaft 31, the cleaning roller 32 being correspondingly arranged with the dust removal sponge 10, a second motor 33 fixedly connected to the fourth support frame 28, and one end of the central shaft 31 passing through the fourth support frame 28 and fixedly connected to the output shaft of the second motor 33.

[0048] The second motor 33 drives the cleaning roller 32 to rotate and clean the dust removal sponge 10. After the dust removal sponge 10 is cleaned, the dust content is reduced, ensuring the subsequent cleaning effect on the copper foil 7.

[0049] In a further optimized design, several cleaning brushes 34 are fixedly connected to the outer wall of the cleaning roller 32, and the cleaning brushes 34 are correspondingly set with the dust removal sponge 10.

[0050] The cleaning brush 34 comes into contact with the dust removal sponge 10. When the cleaning roller 32 rotates, the cleaning brush 34 cleans the dust on the dust removal sponge 10. The cleaning brush 34 is a soft brush to avoid scratching or damaging the dust removal sponge 10 while ensuring the cleaning effect.

[0051] The scheme is further optimized. The flattening component includes two extrusion rollers 36 rotatably connected to the second support frame 5. The two extrusion rollers 36 are arranged correspondingly and a gap is provided between the two extrusion rollers 36. The copper foil 7 is located in the gap. Two third motors 37 are fixedly connected to the second support frame 5. The two extrusion rollers 36 are respectively connected to the two third motors 37 for transmission.

[0052] The copper foil 7 passes through the gap between the two extrusion rollers 36, and at the same time, the upper and lower ends of the copper foil 7 contact the two extrusion rollers 36 respectively. The two extrusion rollers 36 are driven to rotate by the third motor 37 to achieve the flattening process of the copper foil 7.

[0053] In a further optimized design, limit strips 38 are fixedly connected to both ends of the outer sidewalls of the first telescopic rod 15 and the second telescopic rod 17, and limit grooves 39 are opened on the inner sidewalls of the second round hole 13 and the second support tube 16, with the limit strips 38 and the limit grooves 39 slidably connected.

[0054] The limiting strip 38 is slidably connected in the limiting groove 39 to ensure the stable lateral extension and retraction of the first telescopic rod 15 and the stable lateral extension and retraction of the second telescopic rod 17 in the second support tube 16 during the operation of the device. At the same time, it ensures the synchronous rotation of the second telescopic rod 17 and the second support tube 16 to achieve the stable 90° rotation of the fixed plate 9.

[0055] Example 2:

[0056] refer to Figure 6 The difference between this embodiment and Embodiment 1 is that a plurality of rotating shafts 8 are arranged axially at equal intervals. Starting from left to right, one end of the rotating shaft 8 at odd-numbered positions passes through the third support frame 6 and is coaxially fixedly connected to a first sprocket 40. One end of the rotating shaft 8 at even-numbered positions passes through the third support frame 6 and is coaxially fixedly connected to a second sprocket 41. A plurality of first sprockets 40 are connected by a first chain drive, and a plurality of second sprockets are connected by a second chain drive. A first sprocket 40 and a second sprocket 41 are coaxially fixed on one of the rotating shafts 8. This rotating shaft 8 is fixedly connected to the output shaft of the first motor 11.

[0057] By setting the first sprocket 40 and the second sprocket 41, several rotating shafts 8 are rotated in groups. The two groups of rotating shafts 8 drive the two corresponding driving cylinders 19 to rotate, so that the two corresponding dust removal sponges 10 alternately contact and clean the copper foil 7, ensuring the stable operation of the entire copper foil 7 production line without stopping the equipment, achieving continuous dust removal of the copper foil 7 and ensuring the dust removal effect.

[0058] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0059] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A lithium battery copper foil flattening and dust removal device, characterized in that, Includes a base (1), and the top of the base (1) is provided with a guide system, a flattening system and a dust removal system from left to right; The guiding system includes a first support frame (2) fixedly connected to the top of the base (1), a first rotating shaft (3) rotatably connected to the first support frame (2), and a guide roller (4) fixedly connected to the first rotating shaft (3). The flattening system includes a second support frame (5) fixedly connected to the top of the base (1), and a flattening component is provided on the second support frame (5); The dust removal system includes a third support frame (6) fixedly connected to the top of the base (1). The third support frame (6) is provided with a dust removal component and a cleaning component, which are respectively provided. The guide roller (4), the flattening assembly and the dust removal assembly are respectively arranged corresponding to the copper foil (7); The dust removal assembly includes several rotating shafts (8) rotatably connected to the third support frame (6). The rotating shafts (8) are evenly distributed along the direction of copper foil movement. One end of each rotating shaft (8) is coaxially fixedly connected to a driving component. A flip-up telescopic component is provided on the third support frame (6). The driving component is connected to the flip-up telescopic component in a transmission manner. A fixing plate (9) is provided at the end of the flip-up telescopic component away from the rotating shaft (8). A dust removal sponge (10) is fixedly connected to one side of the fixing plate (9). The cleaning component and the copper foil (7) are respectively arranged corresponding to the dust removal sponge (10). The cleaning component is used to clean the dust removal sponge (10). Several first motors (11) are fixedly connected to the side of the third support frame (6) away from the dust removal sponge (10). The end of the rotating shaft (8) away from the dust removal sponge (10) is connected to the output of the first motor (11). The shaft is fixedly connected; the third support frame (6) is provided with a first round hole (12) and a second round hole (13). The flip telescopic component includes a first support tube (14) and a first telescopic rod (15). The first support tube (14) is fixedly connected in the first round hole (12). The first telescopic rod (15) is slidably connected to the second round hole (13). A second support tube (16) is rotatably connected in the first support tube (14). A second telescopic rod (17) is slidably connected to one end of the second support tube (16) away from the rotating shaft (8). The end of the second telescopic rod (17) away from the second support tube (16) is fixedly connected to the fixing plate (9). The second telescopic rod (17) and the first telescopic rod (15) are limited by a fixing frame (18). The second telescopic rod (17) and the second support tube (16) are respectively connected to the driving component for transmission. The driving component includes a driving cylinder (19) coaxially fixedly connected to one end of the rotating shaft (8). A first driving groove (20) is provided on the outer wall of the driving cylinder (19). The end of the second telescopic rod (17) away from the fixed plate (9) is fixedly connected to one end of the first support rod (21). The other end of the first support rod (21) is fixedly connected to the first driving block (22). The first driving block (22) is slidably connected to the first driving groove (20). The end of the driving cylinder (19) away from the rotating shaft (8) is coaxially fixedly connected to the driving disk (23). A second driving groove (24) is provided on the side of the driving disk (23) away from the driving cylinder (19). The end of the second support tube (16) away from the fixed plate (9) is fixedly connected to one end of the second support rod (25). The other end of the second support rod (25) is fixedly connected to the second driving block (26). The second driving block (26) is slidably connected to the second driving groove (24).

2. The lithium battery copper foil flattening dust removal device according to claim 1, characterized in that: The cleaning assembly includes a cleaning box (27) fixedly connected to the third support frame (6). Several fourth support frames (28) are evenly spaced at the top of the cleaning box (27) along the direction of copper foil movement. A cleaning component is provided on the fourth support frame (28). The cleaning component is correspondingly arranged with the dust removal sponge (10). Several air inlets (29) are evenly spaced at the top of the cleaning box (27) along the direction of copper foil movement. The air inlets (29) are located below the cleaning component and are correspondingly arranged with the cleaning component. A fan (30) is fixedly connected to the bottom of the cleaning box (27).

3. The lithium battery copper foil flattening and dust removal device according to claim 2, characterized in that: The cleaning component includes a central shaft (31) rotatably connected to the fourth support frame (28), a cleaning roller (32) fixedly connected to the central shaft (31), the cleaning roller (32) being arranged correspondingly to the dust removal sponge (10), a second motor (33) fixedly connected to the fourth support frame (28), and one end of the central shaft (31) passing through the fourth support frame (28) and fixedly connected to the output shaft of the second motor (33).

4. The lithium battery copper foil flattening and dust removal device according to claim 3, characterized in that: A number of cleaning brushes (34) are fixedly connected to the outer wall of the cleaning roller (32), and the cleaning brushes (34) are correspondingly arranged with the dust removal sponge (10).

5. The lithium battery copper foil flattening and dust removal device according to claim 1, characterized in that: The flattening assembly includes two extrusion rollers (36) rotatably connected to the second support frame (5). The two extrusion rollers (36) are arranged correspondingly, and a gap is provided between the two extrusion rollers (36). The copper foil (7) is located in the gap. Two third motors (37) are fixedly connected to the second support frame (5). The two extrusion rollers (36) are respectively connected to the two third motors (37) for transmission.

6. The lithium battery copper foil flattening and dust removal device according to claim 1, characterized in that: Limiting strips (38) are fixedly connected to both ends of the outer sidewalls of the first telescopic rod (15) and the second telescopic rod (17). Limiting grooves (39) are opened on the inner sidewalls of the second round hole (13) and the second support tube (16). The limiting strips (38) and the limiting grooves (39) are slidably connected.

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