Lithium battery shell glue removing equipment

Abstract

Lithium battery shell glue removing equipment comprises a rack, a feeding structure, a pushing structure, a moving limiting structure and a metal brush structure, a discharging cavity is defined by a profiling feeding plate in the feeding structure, and a discharging opening of the profiling feeding plate is connected with a feeding opening of a first limiting plate; the lifting air cylinder and the translation air cylinder respectively drive the push block to lift and translate so as to separate and convey the product at the lowermost end, polishing and degumming of the upper surface are completed in the conveying process, simultaneous polishing and degumming of two side surfaces are completed in the continuous conveying process after the product is conveyed and redirected, and the overturning structure is used for overturning the product, continuously conveying and degumming; according to the glue removing equipment for the lithium battery shell, multi-surface glue removing of a product is completed through the U-shaped conveying path, glue removing operation and conveying work are automatically completed, the conveying and glue removing actions of the product are continuously carried out, the working efficiency is high, the glue removing omission phenomenon can be effectively avoided through automatic operation, and glue removing thoroughness is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of adhesive removal machine technology, specifically to an adhesive removal device for lithium battery casings. Background Technology

[0002] During the lithium battery production process, the electrolyte can cause a sticky substance to adhere to the outer casing. This substance must be cleaned before proceeding to the next step. Except for the ends where the electrodes are installed, the upper and lower surfaces and both sides of the battery need to be cleaned. Manual cleaning is the most traditional method, but it is inefficient and incomplete. People in the field have been working on the development of automated cleaning equipment, but the existing cleaning equipment has a low degree of automation, incomplete cleaning, and low efficiency.

[0003] This invention proposes a device for removing adhesive from lithium battery casings, thereby solving the aforementioned technical problems. Utility Model Content

[0004] A lithium battery casing adhesive removal device includes: a frame, a feeding structure, a pushing structure, a moving limiting structure, and a metal brush structure. The feeding structure is used to place multiple stacked battery products at one time. The pushing structure separates the stacked products one by one and moves them along the moving limiting structure. The metal brush structure polishes and removes adhesive from the surface of the moved / positioned products. The metal brush structure includes a front metal brush structure and / or a side metal brush structure.

[0005] Preferably, in the lithium battery casing adhesive removal equipment, the feeding structure includes a contour feeding plate, the moving limiting structure includes a first limiting plate, which is composed of two L-shaped plates placed symmetrically and at intervals, the pushing structure includes a first pushing block, a first hollow aluminum extrusion, a first lifting cylinder, a first translating plate, and a first translating cylinder. The lower surface of the first translating plate is movably connected to the frame via a slide rail slider. The first translating cylinder is fixed to the frame and its power end is fixedly connected to the first translating plate. The first lifting cylinder is fixedly connected to the first translating plate via a connecting plate. The output end of the first lifting cylinder is directly or indirectly connected to the first hollow aluminum extrusion. One or more first pushing blocks are installed on the upper surface of the first hollow aluminum extrusion via screws. The contour feeding plate is installed directly above the first limiting plate, and the lower end surface of the contour feeding plate is machined with a clearance notch for the first pushing block to pass through. The adhesive on the upper surface of the product is polished by a first metal brush structure.

[0006] Preferably, in the lithium battery casing adhesive removal equipment, the moving limiting structure further includes a second limiting plate and a third limiting plate, and the pushing structure further includes a sliding cylinder, a second lifting cylinder, a second push block, a third push block, a third hollow aluminum extrusion, a third lifting cylinder, a third translation plate, and a third translation cylinder. The upper surface of the second limiting plate is machined with one or more grooves. The second limiting plate is fixedly connected to the frame and is placed perpendicular to the first limiting plate. One end of the second limiting plate is provided with a smooth sliding plate area that connects to the discharge port of the first limiting plate. The sliding cylinder is located directly above the second limiting plate, and the output end of the sliding cylinder is fixedly connected to the cylinder body of the second lifting cylinder. The output end of the cylinder is fixedly mounted with the second push block, and the lower plate surface of the second push block is machined with a clearance groove that is staggered with the second limiting plate; the third limiting plate has the same structure as the first limiting plate, and one or more of the third push blocks are fixed to the upper plate surface of the third hollow aluminum extrusion by screws. The third hollow aluminum extrusion is directly or indirectly connected to the output end of the third lifting cylinder. The cylinder body of the third lifting cylinder is fixed to the third translation plate. The third translation plate is slidably connected to the frame through a slide rail slider. The output end of the third translation cylinder is fixedly connected to the third translation plate. The metal brush structure includes two second metal brush structures, which respectively grind and remove adhesive from the two sides of the product.

[0007] Preferably, in the lithium battery casing adhesive removal device, the movable limiting structure further includes a limiting cover plate, which is installed above the third limiting plate. The limiting cover plate has clearance grooves processed on both sides, and the second metal brush structure grinds and removes adhesive from the side panel surface of the product through the clearance grooves.

[0008] Preferably, the lithium battery casing adhesive removal device further includes a flipping structure, which includes a rotary cylinder and a gripper cylinder fixed to the frame. The gripper cylinder is connected to the output end of the rotary cylinder. The flipping structure is located on one side of the third limiting plate. Correspondingly, the third limiting plate has a flipping clearance notch processed on the side near the flipping structure. During the conveying process, the adhesive is removed by grinding through the upper third metal brush structure.

[0009] Preferably, the lithium battery casing adhesive removal equipment further includes a feeding structure, which includes a feeding cylinder, a feeding plate, and a feeding channel. The feeding cylinder and the feeding channel are both fixedly installed on the plate surface of the frame. The output end of the feeding cylinder is fixedly connected to the feeding plate. The inlet end of the feeding channel is connected to the outlet end of the third limiting plate. The feeding plate is repeatedly pushed and pulled in the feeding channel to push and discharge the product.

[0010] Preferably, in the lithium battery casing adhesive removal device, the metal brush structure further includes a metal brush structure support plate, a brush mounting plate, a metal brush structure lifting cylinder, and a metal brush structure lifting plate. The metal brush structure support plate is fixed to the frame, the metal brush structure lifting cylinder is fixed to the metal brush structure support plate and its power output end is connected to the metal brush structure lifting plate, and the brush structure includes a motor and a brush connected to the motor. The motor is connected to the metal brush structure lifting plate through the brush mounting plate.

[0011] Preferably, in the lithium battery casing adhesive removal device, the metal brush structure further includes a lead screw, which is installed and connected to the metal brush structure lifting plate via a lead screw nut. The lower end of the lead screw is rotatably connected to the brush mounting plate via a rolling bearing. The brush mounting plate and the metal brush structure lifting plate are connected in a lifting manner via a lifting shaft and a linear bearing.

[0012] Preferably, the drive motors of the two second metal brush structures are indirectly and fixedly connected to the screw nut of the bidirectional screw. The distance between the two second metal brush structures is changed by turning the bidirectional screw. The bidirectional screw is fixed to the surface of the lifting plate of the metal brush structure.

[0013] The working principle is as follows:

[0014] Multiple stacked battery products are placed into the feeding structure. Under the combined action of the product's own weight, the first lifting cylinder, the first translation cylinder, and the first pusher, they move along the first limiting plate. During the movement, the upper surface is polished and the adhesive is removed. After the upper surface polishing and adhesive removal is completed, the product continues to move along the second and third limiting plates. During the translation, the two sides of the product are polished and the adhesive is removed. The flipping structure flips the product after the upper surface and sides have been polished and the adhesive is removed. During the conveying process, the upper surface of the flipped product is polished and the adhesive is removed. At this point, the polishing and adhesive removal work is completed, and the product is unloaded by the unloading structure.

[0015] The lithium battery casing adhesive removal equipment of this utility model completes multi-sided adhesive removal of the product through a U-shaped conveying path. The adhesive removal operation and conveying work are both completed automatically. The conveying and adhesive removal actions of the product are carried out continuously, which has high work efficiency and can effectively avoid the phenomenon of missed adhesive removal, ensuring the thoroughness of adhesive removal. Attached Figure Description

[0016] The specific embodiments are further described below with reference to the accompanying drawings, wherein:

[0017] Figure 1 This is a schematic diagram of the overall appearance structure of a lithium battery casing adhesive removal device according to this utility model;

[0018] Figure 2 ,3 This is a partial structural diagram of a lithium battery casing adhesive removal device related to this utility model;

[0019] Figure 4 This is a schematic diagram of the pushing structure of the adhesive remover involved in this utility model;

[0020] Figure 5 This is a schematic diagram of the metal brush structure of the adhesive remover involved in this utility model;

[0021] The specific structure corresponding to the number is as follows:

[0022] Frame 1, Feeding structure 2, Pushing structure 3, First push block 31, First hollow aluminum extrusion 32, First lifting cylinder 33, First translation plate 34, First translation cylinder 35, Slide cylinder 36, Second lifting cylinder 37, Second push block 38, Third push block 39, Moving limit structure 4, First limit plate 41, Second limit plate 42, Third limit plate 43, Tilting avoidance notch 431, Limiting cover plate 44, Metal brush structure 5, First metal brush structure 51, Second metal brush structure 52, Metal brush structure support plate 54, Brush mounting plate 55, Lead screw 56, Metal brush structure lifting cylinder 57, Metal brush structure lifting plate 58, Tilting structure 6, Rotating cylinder 61, Gripper cylinder 62, Unloading structure 7, Unloading cylinder 71, Unloading plate 72, Unloading channel 73

[0023] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0024] Specific implementation case 1:

[0025] A lithium battery casing adhesive removal device includes: a frame 1, a feeding structure 2, a pushing structure 3, a moving limiting structure 4, and a metal brush structure 5. The feeding structure 2 is used to place multiple stacked battery products at one time. The pushing structure 3 separates the stacked products one by one and moves them along the moving limiting structure 4. The metal brush structure 5 polishes and removes adhesive from the surface of the moved / positioned products. The metal brush structure 5 includes a front metal brush structure and / or a side metal brush structure.

[0026] The feeding structure 2 includes a contour feeding plate, and the moving limiting structure 4 includes a first limiting plate 41, which is composed of two L-shaped plates placed symmetrically and at intervals. The pushing structure 3 includes a first pushing block 31, a first hollow aluminum extrusion 32, a first lifting cylinder 33, a first translation plate 34, and a first translation cylinder 35. The lower surface of the first translation plate 34 is movably connected to the frame 1 via a slide rail slider. The first translation cylinder 35 is fixed to the frame 1, and its power end is fixedly connected to the first translation plate 34. The first lifting cylinder 33 is fixedly connected to the first translation plate 34 via a connecting plate. The output end of the first lifting cylinder 33 is directly or indirectly connected to the first hollow aluminum extrusion 32. Five first pushing blocks 31 are installed on the upper surface of the first hollow aluminum extrusion 32 by screws. The first lifting cylinder 33 and the first translation cylinder 35 respectively drive the first push block 31 to lift and translate. The contour feeding plate is installed directly above the first limiting plate 41, and the lower end surface of the contour feeding plate is machined with a clearance notch for the first push block 31 to pass through. Under the combined action of the first lifting cylinder 33 and the first translation cylinder 35, it first moves to the bottom of the product, then rises and translates to push the bottom product from the space enclosed by the contour feeding plate into the limiting groove formed by the two first limiting plates 41. Through the multiple interval actions of the first lifting cylinder 33 and the first translation cylinder 35, the product can be pushed from one end of the first limiting plate 41 to the other end. During the movement, the first metal brush structure 51 polishes the glue on the upper surface, and the two second metal brush structures 52 simultaneously polish and remove the glue from both sides of the product.

[0027] Optionally, a flipping structure 6 is also included. The flipping structure 6 includes a rotary cylinder 61 and a gripper cylinder 62 fixed to the frame 1. The gripper cylinder 62 is connected to the output end of the rotary cylinder 61. Correspondingly, the flipping structure 6 is located on one side of the third limiting plate 43. The first limiting plate 41 has a flipping clearance notch machined on the side near the flipping structure 6. When the photoelectric sensor detects that the product has moved to the flipping clearance notch, the pushing of the product stops. The flipping structure 6 is used to clamp the battery product, rotate and flip it, and then place it into the first limiting plate 41. The feeding and conveying continues. During the conveying process, the upper surface is polished and de-adhesive-removed by the third metal brush structure 53 above.

[0028] Specific Implementation Case 2:

[0029] A lithium battery casing adhesive removal device includes: a frame 1, a feeding structure 2, a pushing structure 3, a moving limiting structure 4, and a metal brush structure 5. The feeding structure 2 is used to place multiple stacked battery products at one time. The pushing structure 3 separates the stacked products one by one and moves them along the moving limiting structure 4. The metal brush structure 5 polishes and removes adhesive from the surface of the moved / positioned products. The metal brush structure 5 includes a front metal brush structure and / or a side metal brush structure.

[0030] The feeding structure 2 includes a contour feeding plate, and the moving limiting structure 4 includes a first limiting plate 41, a second limiting plate 42, and a third limiting plate 43. The first limiting plate 41 is composed of two L-shaped plates placed symmetrically and at intervals. The pushing structure 3 includes a first pushing block 31, a first hollow aluminum extrusion 32, a first lifting cylinder 33, a first translation plate 34, a first translation cylinder 35, a slide cylinder 36, a second lifting cylinder 37, a second pushing block 38, a third pushing block 39, a third hollow aluminum extrusion, a third lifting cylinder, a third translation plate, and a third translation cylinder. The lower surface of the first translation plate 34 is movably connected to the frame 1 via a slide rail slider. The first translation cylinder 35 is fixed to the frame 1, and its power end is fixedly connected to the first translation plate 34. The first lifting cylinder 33 is fixedly connected to the first translation plate 34 via a connecting plate. The output end of the first lifting cylinder 33... The first hollow aluminum extrusion 32 is directly or indirectly connected to the first hollow aluminum extrusion 32. Five first push blocks 31 are installed on the upper plate surface of the first hollow aluminum extrusion 32 by screws. The first lifting cylinder 33 and the first translation cylinder 35 drive the first push blocks 31 to rise and move horizontally respectively. The contour feeding plate is installed directly above the first limiting plate 41 and the lower end surface of the contour feeding plate is processed with a clearance notch for the first push blocks 31 to pass through. Under the joint action of the first lifting cylinder 33 and the first translation cylinder 35, it first moves to the bottom of the product, then rises and moves horizontally to push the bottom product from the space enclosed by the contour feeding plate into the limiting groove formed by the two first limiting plates 41. Through the multiple interval actions of the first lifting cylinder 33 and the first translation cylinder 35, the product can be pushed from one end of the first limiting plate 41 to the other end. During the movement, the colloid on the upper surface is polished by the first metal brush structure 51.

[0031] The upper surface of the second limiting plate 42 is machined with one or more grooves. The second limiting plate 42 is fixedly connected to the frame 1 and is placed perpendicular to the first limiting plate 41. One end of the second limiting plate 42 is provided with a smooth sliding plate area for product loading that connects with the discharge port of the first limiting plate 41. The sliding table cylinder 36 is provided directly above the second limiting plate 42. The output end of the sliding table cylinder 36 is fixedly connected to the cylinder body of the second lifting cylinder 37. The output end of the second lifting cylinder 37 is fixedly installed with the second push block 38. The lower surface of the second push block 38 is machined with grooves that intersect with the second limiting plate 42. The misaligned clearance groove; the third limiting plate 43 has the same structure as the first limiting plate 41; one or more third push blocks 39 are fixed to the upper plate surface of the third hollow aluminum extrusion by screws; the third hollow aluminum extrusion is directly or indirectly connected to the output end of the third lifting cylinder; the cylinder body of the third lifting cylinder is fixed to the third translation plate; the third translation plate is slidably connected to the frame 1 through a slide rail slider; the output end of the third translation cylinder is fixedly connected to the third translation plate; the metal brush structure includes two second metal brush structures 52, which respectively grind and remove glue from the two sides of the product.

[0032] The lower end of the second limiting plate 42 extends into the groove of the second limiting plate 42 and moves and pushes the product under the action of the slide cylinder 36, transferring the product from the first limiting plate 42 to the third limiting plate 43. During the process of moving and conveying the product in the third limiting plate 43, the side adhesive is removed. The third lifting cylinder and the third translation cylinder drive the third push block to lift and translate respectively.

[0033] Specific Implementation Case 3:

[0034] Based on Implementation Case 2, the lithium battery casing adhesive removal equipment can also select one or more of the following preferred technical solutions:

[0035] Optionally, the first limiting plate 41 and the third limiting plate 43 have the same structure.

[0036] Optionally, the movable limiting structure 4 may further include a limiting cover plate 44, which is installed above the third limiting plate 43. The limiting cover plate 44 has clearance grooves on both sides, and the second metal brush structure 52 polishes and removes adhesive from the side panel of the product through the clearance grooves.

[0037] Optionally, a flipping structure 6 is also included. The flipping structure 6 includes a rotary cylinder 61 and a gripper cylinder 62 fixed to the frame 1. The gripper cylinder 62 is connected to the output end of the rotary cylinder 61. Correspondingly, the flipping structure 6 is located on one side of the third limiting plate 43. The third limiting plate 43 has a flipping clearance notch 431 machined on the side near the flipping structure 6. When the photoelectric sensor detects that the product has moved to the flipping clearance notch 431, the pushing of the product stops. The flipping structure 6 is used to clamp the battery product, rotate and flip it, and then place it into the third limiting plate 43. The feeding and conveying continues, and during the conveying process, the product is polished and degummed by the third metal brush structure 53 above.

[0038] Optionally, a feeding structure 7 is also included, which includes a feeding cylinder 71, a feeding plate 72, and a feeding channel 73. The feeding cylinder 71 and the feeding channel 73 are both fixedly installed on the plate surface of the frame 1. The output end of the feeding cylinder 71 is fixedly connected to the feeding plate 72, and the inlet end of the feeding channel 73 is connected to the outlet end of the third limiting plate 43. The feeding plate 72 is repeatedly pushed and pulled in the feeding channel 73 to push and feed the product.

[0039] Specific Implementation Case 4:

[0040] Based on specific implementation cases 2 and 3, the lithium battery casing adhesive removal equipment can also select one or more of the following preferred technical solutions:

[0041] Optionally, the metal brush structure 5 further includes a metal brush structure support plate 54, a brush mounting plate 55, a metal brush structure lifting cylinder 57, and a metal brush structure lifting plate 58. The metal brush structure support plate 54 is fixed to the frame 1. The metal brush structure lifting cylinder 57 is fixed to the metal brush structure support plate 54 and its power output end is connected to the metal brush structure lifting plate 58. The brush structure of the grinding terminal includes a motor and a brush connected to the motor. The motor is connected to the metal brush structure lifting plate 58 through the brush mounting plate 55.

[0042] Optionally, the metal brush structure 5 further includes a lead screw 56, which is connected to the metal brush structure lifting plate 58 via a lead screw nut. The lower end of the lead screw 56 is rotatably connected to the brush mounting plate 55 via a rolling bearing. The brush mounting plate 55 and the metal brush structure lifting plate 58 are connected in a lifting manner via a lifting shaft and a linear bearing. The height of the metal brush structure 5 can be quickly adjusted as a whole by the metal brush structure lifting cylinder 57, and the working height of each brush structure can be adjusted individually by rotating the lead screw 56.

[0043] Optionally, the drive motors of the two second metal brush structures 52 are indirectly and fixedly connected to the screw nut of the bidirectional screw. The distance between the two second metal brush structures 52 can be changed by turning the bidirectional screw. The bidirectional screw is fixed to the plate surface of the metal brush structure lifting plate 58, which can adapt to the side grinding and glue removal of products of different widths.

[0044] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A lithium battery case glue removing apparatus, characterized by: The device includes a frame, a feeding structure, a pushing structure, a moving limiting structure, and a metal brush structure. The feeding structure is used to place multiple stacked battery products at one time. The pushing structure separates the stacked products one by one and moves them along the moving limiting structure. The metal brush structure polishes and removes adhesive from the surface of the moved / positioned products. The metal brush structure includes a front metal brush structure and / or a side metal brush structure.

2. The lithium battery case gum removing apparatus of claim 1, wherein: The feeding structure includes a contour feeding plate, the moving limiting structure includes a first limiting plate, which is composed of two L-shaped plates placed symmetrically and at intervals, the pushing structure includes a first pushing block, a first hollow aluminum extrusion, a first lifting cylinder, a first translating plate, and a first translating cylinder. The lower surface of the first translating plate is movably connected to the frame via a slide rail slider. The first translating cylinder is fixed to the frame and its power end is fixedly connected to the first translating plate. The first lifting cylinder is fixedly connected to the first translating plate via a connecting plate. The output end of the first lifting cylinder is directly or indirectly connected to the first hollow aluminum extrusion. One or more first pushing blocks are installed on the upper surface of the first hollow aluminum extrusion via screws. The contour feeding plate is installed directly above the first limiting plate and the lower end surface of the contour feeding plate is machined with a clearance notch for the first pushing block to pass through. The adhesive on the upper surface of the product is polished by a first metal brush structure.

3. The lithium battery case gum removing apparatus of claim 2, wherein: The moving limiting structure further includes a second limiting plate and a third limiting plate. The pushing structure further includes a sliding cylinder, a second lifting cylinder, a second push block, a third push block, a third hollow aluminum extrusion, a third lifting cylinder, a third translation plate, and a third translation cylinder. The upper surface of the second limiting plate is machined with one or more grooves. The second limiting plate is fixedly connected to the frame and is placed perpendicular to the first limiting plate. One end of the second limiting plate is provided with a smooth sliding plate area that connects with the unloading port of the first limiting plate. The sliding cylinder is located directly above the second limiting plate. The output end of the sliding cylinder is fixedly connected to the cylinder body of the second lifting cylinder. The output end of the second lifting cylinder is fixedly installed. The device includes a second pusher block, the lower surface of which is machined with a clearance groove that is staggered with the second limiting plate; the third limiting plate has the same structure as the first limiting plate; one or more third pushers are fixed to the upper surface of the third hollow aluminum extrusion by screws; the third hollow aluminum extrusion is directly or indirectly connected to the output end of the third lifting cylinder; the cylinder body of the third lifting cylinder is fixed to the third translation plate; the third translation plate is slidably connected to the frame through a slide rail slider; the output end of the third translation cylinder is fixedly connected to the third translation plate; the metal brush structure includes two second metal brush structures, which respectively grind and remove adhesive from the two sides of the product.

4. The lithium battery case gum removing apparatus of claim 3, wherein: The movable limiting structure also includes a limiting cover plate, which is installed above the third limiting plate. The limiting cover plate has clearance grooves on both sides, and the second metal brush structure grinds and removes adhesive from the side panel of the product through the clearance grooves.

5. The lithium battery case gum removing apparatus of claim 3, wherein: It also includes a flipping structure, which includes a rotary cylinder and a gripper cylinder fixed to the frame. The gripper cylinder is connected to the output end of the rotary cylinder. The flipping structure is located on one side of the third limiting plate. Correspondingly, the third limiting plate has a flipping clearance notch processed on the side of the flipping structure. During the conveying process, it passes through the third metal brush structure above to polish and remove glue.

6. The lithium battery case gum removing apparatus of claim 3, wherein: It also includes a feeding structure, which includes a feeding cylinder, a feeding plate, and a feeding channel. The feeding cylinder and the feeding channel are both fixedly installed on the plate surface of the frame. The output end of the feeding cylinder is fixedly connected to the feeding plate. The inlet end of the feeding channel is connected to the outlet end of the third limiting plate. The feeding plate is repeatedly pushed and pulled in the feeding channel to push and feed the product.

7. The lithium battery case degumming apparatus according to any one of claims 1 to 6, wherein: The metal brush structure also includes a metal brush structure support plate, a brush mounting plate, a metal brush structure lifting cylinder, and a metal brush structure lifting plate. The metal brush structure support plate is fixed to the frame. The metal brush structure lifting cylinder is fixed to the metal brush structure support plate and its power output end is connected to the metal brush structure lifting plate. The brush structure includes a motor and a brush connected to the motor. The motor is connected to the metal brush structure lifting plate through the brush mounting plate.

8. The lithium battery case gum removing apparatus of claim 7, wherein: The metal brush structure also includes a lead screw, which is installed and connected to the lifting plate of the metal brush structure via a lead screw nut. The lower end of the lead screw is rotatably connected to the brush mounting plate via a rolling bearing. The brush mounting plate and the lifting plate of the metal brush structure are connected in a lifting manner via a lifting shaft and a linear bearing.

9. The lithium battery case gum removing apparatus of claim 3, wherein: The two drive motors of the second metal brush structure are indirectly and fixedly connected to the screw nut of the bidirectional screw. The distance between the two second metal brush structures is changed by turning the bidirectional screw. The bidirectional screw is fixed to the surface of the lifting plate of the metal brush structure.

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