Adaptive surface treatment cleaning system

The adaptive surface treatment cleaning system automates the removal of burrs and dust from the surface of prismatic batteries, solving the problem of low efficiency in manual polishing. This achieves efficient and low-cost battery surface treatment and improves product quality.

CN224575289UActive Publication Date: 2026-07-31NANJING BEIAITE AUTOMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING BEIAITE AUTOMATION TECH CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In the existing technology, the small burrs produced after welding the cover plate of the square battery need to be manually polished, which is inefficient and requires high operational skills, thus affecting product quality.

Method used

Design an adaptive surface treatment cleaning system, including feeding, grinding, pushing and post-processing devices, to automatically remove burrs and dust from the surface of prismatic batteries. The system employs a grinding mechanism, a cleaning mechanism and a dust removal mechanism for automated processing.

Benefits of technology

It improves processing efficiency, reduces the labor intensity and costs for operators, ensures product reliability, and reduces the risk of coating defects.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an adaptive surface treatment cleaning system for treating the surface of square-shell batteries. The system includes a frame and a feeding device, a grinding device, a pushing device, and a post-processing device mounted on the frame. The feeding device clamps the square-shell batteries to the grinding device. The grinding device includes a grinding frame mounted on the frame and two grinding mechanisms mounted opposite each other on the grinding frame to grind burrs on the surface of the square-shell batteries. A grinding zone is formed between the two grinding mechanisms for the square-shell batteries to pass through. The pushing device pushes the square-shell batteries through the grinding zone. The post-processing device is located behind the grinding zone, receiving the square-shell batteries exiting the grinding zone and removing dust from their outer surface. This application, through the cooperation of the grinding device, the pushing device, and the post-processing device, can effectively remove burrs from the surface of the square-shell battery cells, reduce the risk of poor coating, and improve product reliability.
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Description

Technical Field

[0001] This utility model belongs to the technical field of burr removal equipment for prismatic batteries, specifically relating to an adaptive surface treatment cleaning system for prismatic batteries. Background Technology

[0002] When the cover plate of a square battery is welded to the battery casing, small burrs are generated on both sides of the large surface area. These burrs can cause defects such as air bubbles in the subsequent battery wrapping process, affecting product quality. Currently, this problem is usually solved by manually sanding and wiping with alcohol to remove the burrs and dirt. This method is inefficient and requires highly skilled operators, and urgently needs improvement. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an adaptive surface treatment cleaning system for prismatic batteries.

[0004] The present invention adopts the following technical solution: An adaptive surface treatment cleaning system is used to treat the surface of square-shell batteries. It includes a frame and a loading device, a grinding device, a pushing device, and a post-processing device mounted on the frame. The feeding device clamps the square-shell battery to the grinding device; A polishing device includes a polishing frame mounted on a machine frame and two polishing mechanisms mounted opposite each other on the polishing frame to polish burrs on the surface of a square-shell battery. A polishing zone for the square-shell battery to pass through is formed between the two polishing mechanisms. Each polishing mechanism includes a plurality of guide rollers spaced apart on the polishing frame along the moving direction of the square-shell battery, a wire drawing wheel located between two adjacent guide rollers, and a rotating component mounted on the polishing frame and connected to and driving the wire drawing wheel to rotate. The two wire drawing wheels of the two polishing mechanisms are arranged opposite to each other and staggered. The pushing device pushes the square-shell battery through the grinding area, including a movable seat set on the grinding frame along the extension direction of the grinding area, a pushing frame movably set on the movable seat for mounting the square-shell battery, a support groove set on the pushing frame for supporting the square-shell battery, and a moving mechanism set on the grinding frame to drive the movable seat to move. The post-processing unit, located behind the polishing area, receives the square-shell batteries coming out of the polishing area and removes dust from their outer surface.

[0005] Preferably, the polishing device further includes a positioning mechanism disposed on the polishing frame in front of the polishing area. The positioning mechanism includes a positioning seat disposed on the polishing frame, two positioning plates disposed opposite to each other on the positioning seat, a rodless cylinder disposed on the positioning seat above the two positioning plates, a positioning gripper disposed on the rodless cylinder opposite to one of the positioning plates, and a movable gripper disposed on the rodless cylinder opposite to the positioning gripper. A sliding block is disposed on the rodless cylinder, and the movable gripper is connected to the sliding block. The upper end of the square battery is fixed between the movable gripper and the positioning gripper, and the lower end is located between the two positioning plates.

[0006] Preferably, the pusher includes a connecting plate connected to the movable seat and a pusher plate vertically disposed on the connecting plate. The support groove is disposed on the pusher plate. The pusher moves to drive the pusher plate between the two positioning plates, so that the lower end of the square battery is supported on the support groove and continues to move to drive the square battery into the grinding area.

[0007] Preferably, the rotating component includes a mounting base movably mounted on the grinding frame, a rotating motor mounted on the mounting base and connected to the wire drawing wheel, two moving guide rails arranged along the moving direction of the mounting base, two moving blocks arranged at the bottom of the mounting base and respectively cooperating with the two moving guide rails, and a limiting component arranged on the grinding frame between the mounting base and the grinding frame. The moving direction of the mounting base is arranged perpendicular to the extension direction of the grinding area.

[0008] Preferably, the limiting component includes a limiting seat located on one side of the mounting base on the grinding frame, two limiting rods spaced apart on the opposite surfaces of the limiting seat and the mounting base, two limiting holes spaced apart on the mounting base for the two limiting rods to be inserted, and two limiting springs respectively sleeved on the two limiting rods. One end of the limiting spring is connected to the mounting base and the other end is connected to the limiting seat.

[0009] Preferably, the post-processing device includes a cleaning mechanism disposed on the frame behind the polishing area. The cleaning mechanism cleans the dust on the bottom of the square battery and includes a cleaning frame disposed behind the polishing frame, a cleaning roller disposed on the cleaning frame along the moving direction of the square battery, two guide members disposed opposite to each other on the cleaning frame, and a moving component disposed on the cleaning frame to push the square battery to move. A cleaning area for the square battery to move is formed between the two guide members. The square battery moves from the polishing area to the cleaning area and is supported on the cleaning roller. The moving component drives the square battery to move outward in the cleaning area.

[0010] Preferably, the guide includes a plurality of upper guide wheels arranged at intervals on the cleaning rack along the moving direction of the square battery and a plurality of lower guide wheels arranged on the cleaning rack opposite to the plurality of upper guide wheels. The upper end of the square battery is located between two opposite upper guide wheels, and the lower end is located between two opposite lower guide wheels.

[0011] Preferably, the moving component includes a movable plate located between the upper guide wheel and the lower guide wheel, a moving cylinder connected to and driving the moving plate into the cleaning area, and a lateral moving member disposed on the cleaning rack and connected to and driving the moving cylinder to move.

[0012] Preferably, the post-processing device further includes a dust removal mechanism located behind the cleaning mechanism. The dust removal mechanism cleans the dust on the sides and large surfaces of the square battery. It includes a dust removal box mounted on the frame, a dust removal chamber mounted in the dust removal box, two air knives mounted opposite each other on the inner wall of the dust removal chamber, a negative pressure ash discharge pipe mounted on the frame and communicating with the dust removal chamber, a transverse moving platform movably mounted in the dust removal chamber for placing the square battery, and a clamping assembly mounted on the frame for clamping the square battery. The clamping assembly clamps the square battery in the cleaning area and moves it on the transverse moving platform.

[0013] Preferably, the clamping assembly includes a clamping frame disposed on the frame and located on one side of the dust removal box, a clamping seat movably disposed on the clamping frame, a pneumatic gripper disposed on the clamping seat for clamping the square battery, and a transverse drive component disposed on the clamping frame and connected to and driving the clamping seat to move.

[0014] As can be seen from the above description of this utility model, compared with the prior art, the beneficial effects of this utility model are as follows: This application, by defining the structural composition of the processing system, pushes the square-shell battery into the grinding device through the pushing device, and the grinding device removes the burrs on the large surface of the square-shell battery. In conjunction with the post-processing device, the cleaning mechanism first removes the dust from the bottom of the square-shell battery cell, and then the dust removal mechanism blows away and adsorbs the dust on the large surface and sides of the square-shell battery cell. The whole process is simple, highly automated, greatly reduces the involvement of operators, thereby reducing labor intensity and processing costs, and can effectively remove burrs from the surface of the square-shell battery cell, reduce the risk of poor coating, and improve product reliability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a partial structural schematic diagram of the present invention; Figure 3 for Figure 1 Enlarged view of point A in the middle; Figure 4 for Figure 2 Enlarged view of point B in the middle; Figure 5 This is a schematic diagram of the positioning mechanism; Figure 6 This is a schematic diagram of the feeding device. Figure 7 This is a schematic diagram of the clamping assembly. Figure 8 This is a schematic diagram of the structure of a lateral moving platform; In the diagram, 1. Frame; 2. Feeding device; 3. Grinding device; 4. Pushing device; 5. Cleaning mechanism; 6. Dust removal mechanism; 7. Unloading device; 21. Feeding robot; 22. Feeding pneumatic gripper; 31. Grinding frame; 32. Positioning mechanism; 321. Positioning seat; 322. Positioning plate; 323. Rodless cylinder; 324. Positioning gripper; 325. Moving gripper; 326. Sliding block; 33. Grinding mechanism; 331. Guide roller; 332. Drawing wheel; 333. Rotating component; 334. Mounting base; 335. Rotating motor; 336. Moving guide rail; 337. Moving block; 338. Limiting component; 3381. Limiting seat; 3382. Limiting rod; 3383. Limiting hole; 3384. Limiting spring; 34. Grinding area; 41. Moving seat; 42. Pusher frame; 421. Connecting plate; 422. Pusher plate; 43. Support groove; 44. Moving mechanism; 51. Cleaning frame; 52. Cleaning roller; 53. Guide component; 531. Upper guide wheel; 532. Lower guide wheel; 54. Moving assembly; 541. Moving plate; 542. Moving cylinder; 543. Lateral moving component; 55. Cleaning area; 61. Dust collection box; 62. Dust collection chamber; 63. Air knife; 64. Negative pressure ash discharge pipe; 65. Lateral moving platform; 66. Clamping assembly; 661. Clamping frame; 662. Clamping seat; 663. Material transfer pneumatic gripper; 664. Lateral drive component; 665. Vertical drive component. Detailed Implementation

[0016] The present invention will be further described below through specific embodiments.

[0017] Reference Figures 1 to 8 As shown, the adaptive surface treatment cleaning system treats the surface of the square battery, including a frame 1 and a feeding device 2, a grinding device 3, a pushing device 4, a post-processing device, and a discharging device 7 mounted on the frame 1.

[0018] The feeding device 2 clamps the square battery to the polishing device 3. It includes a feeding robot 21 and a feeding pneumatic gripper 22 located at the front end of the feeding robot 21. The feeding pneumatic gripper 22 works with the feeding robot 21 to clamp and move the square battery to the polishing device 3 for polishing to remove burrs from its surface.

[0019] The grinding device 3 includes a grinding frame 31 mounted on the frame 1, a positioning mechanism 32 mounted on the grinding frame 31 for positioning the square battery, and two grinding mechanisms 33 mounted on the grinding frame 31 for grinding the burrs on the surface of the square battery. A grinding zone 34 for the square battery to pass through is formed between the two grinding mechanisms 33. The feeding pneumatic gripper 22 positions and clamps the positioning mechanism 32, and the pushing device 4 pushes the square battery in the positioning mechanism 32 into the grinding zone 34 to grind the burrs on the square battery cell.

[0020] The positioning mechanism 32, located in front of the grinding area 34, includes a positioning seat 321 mounted on the grinding frame 31, two positioning plates 322 mounted opposite each other on the positioning seat 321, a rodless cylinder 323 mounted on the positioning seat 321 above the two positioning plates 322, a positioning jaw 324 mounted on the rodless cylinder 323 opposite to one of the positioning plates 322, and a movable jaw 325 movably mounted on the rodless cylinder 323 opposite to the positioning jaw 324. The rodless cylinder 323 is equipped with a sliding block 326, and the movable jaw 325 is positioned opposite the sliding block 324. 6. The upper end of the square battery is fixed between the moving gripper 325 and the positioning gripper 324, and the lower end is located between the two positioning plates 322. When the feeding pneumatic gripper 22 clamps the square battery and moves it to the point where its lower end is embedded between the two positioning plates 322, the rodless cylinder 323 controls the moving gripper 325 to move closer to the positioning gripper 324 so that the upper end of the square battery is clamped between the moving gripper 325 and the positioning gripper 324. At this time, the feeding pneumatic gripper 22 can release the square battery cell and move and reset under the action of the feeding robot 21 to clamp the next square battery cell to be polished.

[0021] The polishing mechanism 33 includes multiple guide rollers 331 arranged at intervals on the polishing frame 31 along the moving direction of the square battery, a wire drawing wheel 332 located between two adjacent guide rollers 331, and a rotating component 333 arranged on the polishing frame 31 and connected to drive the wire drawing wheel 332 to rotate. The two wire drawing wheels 332 of the two polishing mechanisms 33 are arranged opposite to each other and are used to remove burrs on the large surfaces of both sides of the square battery cell through the cooperation of the two wire drawing wheels 332. Multiple guide rollers 331 are arranged on both sides to guide the moving direction of the square battery and ensure that the square battery does not tilt during the movement of the polishing area 34.

[0022] The rotating component 333 includes a mounting base 334 movably mounted on the grinding frame 31, a rotating motor 335 mounted on the mounting base 334 and connected to the wire drawing wheel 332, two moving guide rails 336 arranged along the moving direction of the mounting base 334, two moving blocks 337 disposed at the bottom of the mounting base 334 and respectively cooperating with the two moving guide rails 336, and a limiting component 338 disposed on the grinding frame 31 between the mounting base 334 and the grinding area 34. The moving direction of the mounting base 334 is perpendicular to the extending direction of the grinding area 34. Specifically, the limiting component 338 includes a limiting seat 3381 disposed on the grinding frame 31 on one side of the mounting base 334, and spaced-apart... The structure comprises two limiting rods 3382 placed on the opposing surfaces of the limiting seat 3381 and the mounting seat 334, two limiting holes 3383 spaced apart on the mounting seat 334 for the two limiting rods 3382 to be inserted, and two limiting springs 3384 respectively sleeved on the two limiting rods 3382. One end of the limiting spring 3384 is connected to the mounting seat 334 and the other end is connected to the limiting seat 3381. This structure specifically defines the limiting component 338. Through the cooperation of the limiting spring 3384 and the limiting rod 3382, when there is a difference in the thickness of the square battery, the drawing wheel 332 can adaptively move outward to ensure that the square battery is subjected to uniform force and will not cause damage to the square battery.

[0023] The pushing device 4 pushes the square-shell battery through the grinding area 34. It includes a movable seat 41 mounted on the grinding frame 31 along the extension direction of the grinding area 34, a pushing frame 42 movably mounted on the movable seat 41 for mounting the square-shell battery, a support groove 43 mounted on the pushing frame 42 for supporting the square-shell battery, and a moving mechanism 44 mounted on the grinding frame 31 to drive the movable seat 41. Specifically, the pushing frame 42 includes a connecting plate 421 connected to the movable seat 41 and a pushing plate 422 vertically mounted on the connecting plate 421. The support groove 43 is mounted on the pushing plate 422. Both the pushing plate 422 and the support groove 43 are L-shaped, and the connecting plate 421 is located below the two positioning plates 322. During the feeding process, the moving seat 41 moves, driving the pushing plate 422 into the two positioning plates 322, so that the lower end of the square battery is supported on the support groove 43. At this time, the rodless cylinder 323 controls the moving gripper 325 to move away from the positioning gripper 324 to release the square battery. Then the moving seat 41 continues to move, causing the pushing plate 422 to push the square battery into the grinding area 34 and move along the extension direction of the grinding area 34. With the help of the wire drawing wheels 332 on both sides, the large surface burrs of the square battery cell are ground. Furthermore, the moving mechanism 44 is a moving mechanism commonly used in the mechanical field that can drive the components to move laterally. It can be a motor combined with gears and racks. Its specific structure and working principle will not be described in detail here.

[0024] The post-processing device, located behind the polishing zone 34, receives the square-shell batteries coming out of the polishing zone 34 and removes dust from their outer surface. It includes a cleaning mechanism 5 located behind the polishing zone 34 on the frame 1 and a dust removal mechanism 6 located behind the cleaning mechanism 5.

[0025] The cleaning mechanism 5 cleans the dust at the bottom of the square battery. It includes a cleaning frame 51 located behind the polishing frame 31, a cleaning roller 52 mounted on the cleaning frame 51 along the direction of the square battery's movement, two guide members 53 mounted opposite each other on the cleaning frame 51, and a moving assembly 54 mounted on the cleaning frame 51 to push the square battery. A cleaning area 55 for the square battery to move is formed between the two guide members 53. The square battery moves from the polishing area 34 into the cleaning area 55 and is supported on the cleaning roller 52. The moving assembly 54 drives the square battery to move outward within the cleaning area 55. Specifically, the guide members 53 include multiple upper guide wheels 531 spaced apart on the cleaning frame 51 along the direction of the square battery's movement, and multiple lower guide wheels 532 mounted on the cleaning frame 51 opposite to the upper guide wheels 531. After the square battery enters the cleaning area 55, its upper end is located between the two opposing upper guide wheels 531, and its lower end is located... Between the two guide wheels 532; the moving assembly 54 includes a movable plate 541 located between the upper guide wheel 531 and the lower guide wheel 532, a moving cylinder 542 connected to and driving the moving plate 541 into the cleaning area 55, and a transverse moving component 543 mounted on the cleaning frame 51 and connected to and driving the moving cylinder 542. When the square battery cell is pushed into the cleaning area 55 by the pusher plate 422, the moving cylinder 542 drives the moving plate 541 into the cleaning area 55, and the transverse moving component 543 pushes the square battery cell to move in the cleaning area 55. During the movement, the bottom of the square battery cell remains in contact with the cleaning roller 52, thereby cleaning the dust on the bottom of the square battery cell. Furthermore, the transverse moving component 543 is a transverse moving component commonly used in the mechanical field that can drive the component to move laterally. It can be a motor combined with gears and racks. Its specific structure and working principle will not be described in detail here.

[0026] Dust removal mechanism 6 cleans dust from the sides and main surface of the square battery casing. It includes a dust collection box 61 mounted on the frame 1, a dust collection chamber 62 within the dust collection box 61, two air knives 63 opposite each other mounted on the inner wall of the dust collection chamber 62, a negative pressure ash discharge pipe 64 mounted on the frame 1 and communicating with the dust collection chamber 62, a movable transverse moving platform 65 in the dust collection chamber 62 for placing the square battery casing, and a clamping assembly 66 mounted on the frame 1 for holding the square battery casing. The clamping assembly 66 holds the square battery casing in the cleaning area 55 and moves it on the transverse moving platform 65. The negative pressure ash discharge pipe 64... 4. External negative pressure source; During dust removal, the air outlet of the air knife 63 blows away some floating dust remaining on the surface of the square battery. The negative pressure gas generated in the negative pressure ash discharge pipe 64 promptly removes the dust in the dust removal chamber 62, thereby achieving the removal of dust from the large surface and sides of the square battery. Furthermore, the transverse moving platform 65 can be transversely moved in the dust removal box 61 via a transverse drive mechanism. The transverse drive mechanism is a transverse drive mechanism commonly used in the mechanical field that can drive components to move laterally. It can be a motor combined with a lead screw and nut pair. Its specific structure and working principle will not be further described here.

[0027] The clamping assembly 66 includes a clamping frame 661 mounted on the frame 1 and located on one side of the dust collection box 61; a clamping seat 662 movably mounted on the clamping frame 661; a pneumatic gripper 663 mounted on the clamping seat 662 for clamping the square-shell battery; a transverse drive component 664 mounted on the clamping frame 661 and connected to drive the clamping seat 662 to move; and a vertical drive component 665 mounted on the clamping frame 661 and connected to drive the clamping seat 662 to move up and down. Specifically, the transverse drive component 664 and the vertical drive component 665 are commonly used drive components in the mechanical field that can drive components to move laterally or up and down. They can be made using a motor in conjunction with gears or racks. Their specific structure and working principle will not be further described here.

[0028] The unloading device 7 transports the square-shell batteries that have completed dust removal in the dust removal chamber 62 outwards. The unloading device 7 is a conventional technology, and its specific structure will not be described in detail here.

[0029] This application defines the structure of the processing system. The prismatic battery is pushed into the polishing device 3 by the pushing device 4. The polishing device 3 removes the burrs on the large surface of the prismatic battery. In conjunction with the post-processing device, the cleaning mechanism 5 first removes the dust from the bottom of the prismatic battery cell, and then the dust removal mechanism 6 blows away and adsorbs the dust on the large surface and sides of the prismatic battery cell. The whole process is simple, highly automated, and greatly reduces the involvement of operators, thereby reducing labor intensity and processing costs. It can also effectively remove burrs from the surface of the prismatic battery cell, reduce the risk of poor coating, and improve product reliability.

[0030] The above description is merely a preferred embodiment of the present utility model, and therefore cannot be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the patent application and the contents of the specification of the present utility model shall still fall within the scope of the patent of the present utility model.

Claims

1. An adaptive surface treatment cleaning system for treating the surface of a square-shell battery, characterized in that: It includes a frame and a feeding device, a grinding device, a pushing device, and a post-processing device mounted on the frame. The feeding device clamps the square-shell battery to the grinding device; A polishing device includes a polishing frame mounted on a machine frame and two polishing mechanisms mounted opposite each other on the polishing frame to polish burrs on the surface of a square-shell battery. A polishing zone for the square-shell battery to pass through is formed between the two polishing mechanisms. Each polishing mechanism includes a plurality of guide rollers spaced apart on the polishing frame along the moving direction of the square-shell battery, a wire drawing wheel located between two adjacent guide rollers, and a rotating component mounted on the polishing frame and connected to and driving the wire drawing wheel to rotate. The two wire drawing wheels of the two polishing mechanisms are arranged opposite each other and staggered. The pushing device pushes the square-shell battery through the grinding area, including a movable seat set on the grinding frame along the extension direction of the grinding area, a pushing frame movably set on the movable seat for mounting the square-shell battery, a support groove set on the pushing frame for supporting the square-shell battery, and a moving mechanism set on the grinding frame to drive the movable seat to move. The post-processing unit, located behind the polishing area, receives the square-shell batteries coming out of the polishing area and removes dust from their outer surface.

2. The adaptive surface treatment cleaning system of claim 1, wherein: The polishing device also includes a positioning mechanism located on the polishing frame in front of the polishing area. The positioning mechanism includes a positioning seat on the polishing frame, two positioning plates opposite to each other on the positioning seat, a rodless cylinder on the positioning seat above the two positioning plates, a positioning gripper on the rodless cylinder opposite to one of the positioning plates, and a movable gripper on the rodless cylinder opposite to the positioning gripper. A sliding block is provided on the rodless cylinder, and the movable gripper is connected to the sliding block. The upper end of the square battery is fixed between the movable gripper and the positioning gripper, and the lower end is located between the two positioning plates.

3. The adaptive surface treatment cleaning system of claim 2, wherein: The pusher includes a connecting plate connected to the movable seat and a pusher plate vertically arranged on the connecting plate. The support groove is arranged on the pusher plate. The pusher moves to drive the pusher plate between the two positioning plates, so that the lower end of the square battery is supported on the support groove and continues to move to drive the square battery into the grinding area.

4. The adaptive surface treatment cleaning system of claim 1, wherein: The rotating component includes a mounting base movably mounted on the grinding frame, a rotating motor mounted on the mounting base and connected to the wire drawing wheel, two moving guide rails arranged along the moving direction of the mounting base, two moving blocks arranged at the bottom of the mounting base and respectively cooperating with the two moving guide rails, and a limiting component arranged on the grinding frame between the mounting base and the grinding frame. The moving direction of the mounting base is arranged perpendicular to the extension direction of the grinding area.

5. The adaptive surface treatment cleaning system of claim 4, wherein: The limiting component includes a limiting seat located on one side of the mounting base on the grinding frame, two limiting rods spaced apart on the opposite surfaces of the limiting seat and the mounting base, two limiting holes spaced apart on the mounting base for the two limiting rods to be inserted, and two limiting springs respectively sleeved on the two limiting rods. One end of the limiting spring is connected to the mounting base and the other end is connected to the limiting seat.

6. The adaptive surface treatment cleaning system of claim 1, wherein: The post-processing device includes a cleaning mechanism mounted on the frame behind the grinding area. The cleaning mechanism cleans the dust on the bottom of the square battery. It includes a cleaning frame located behind the grinding frame, a cleaning roller mounted on the cleaning frame along the direction of movement of the square battery, two guide members mounted opposite each other on the cleaning frame, and a moving component mounted on the cleaning frame to push the square battery to move. A cleaning area for the square battery to move is formed between the two guide members. The square battery moves from the grinding area to the cleaning area and is supported on the cleaning roller. The moving component drives the square battery to move outward in the cleaning area.

7. The adaptive surface treatment cleaning system of claim 6, wherein: The guide includes multiple upper guide wheels arranged at intervals on the cleaning rack along the moving direction of the square-shell battery, and multiple lower guide wheels arranged on the cleaning rack opposite to the multiple upper guide wheels. The upper end of the square-shell battery is located between two opposite upper guide wheels, and the lower end is located between two opposite lower guide wheels.

8. The adaptive surface treatment cleaning system of claim 7, wherein: The moving component includes a movable plate located between the upper guide wheel and the lower guide wheel, a moving cylinder connected to and driving the movable plate to extend into the cleaning area, and a lateral moving component disposed on the cleaning rack and connected to and driving the moving cylinder to move.

9. The adaptive surface treatment cleaning system of claim 6, wherein: The post-processing device also includes a dust removal mechanism located behind the cleaning mechanism. The dust removal mechanism cleans the dust on the sides and large surfaces of the square battery. It includes a dust removal box mounted on the frame, a dust removal chamber mounted in the dust removal box, two air knives mounted opposite each other on the inner wall of the dust removal chamber, a negative pressure ash discharge pipe mounted on the frame and communicating with the dust removal chamber, a movable transverse moving platform mounted in the dust removal chamber for placing the square battery, and a clamping assembly mounted on the frame for clamping the square battery. The clamping assembly clamps the square battery in the cleaning area and moves it on the transverse moving platform.

10. The adaptive surface treatment cleaning system of claim 9, wherein: The clamping assembly includes a clamping frame mounted on the frame and located on one side of the dust removal box, a clamping seat movably mounted on the clamping frame, a pneumatic gripper mounted on the clamping seat for clamping the square-shell battery, and a transverse drive component mounted on the clamping frame and connected to drive the clamping seat to move.