CN215878882U

CN215878882U - Pole piece wiping device

Info

Publication number: CN215878882U
Application number: CN202121484056.0U
Authority: CN
Inventors: 李雀; 王建刚; 张坤; 陈贤峰; 周俊杰; 黄龙; 庞绍意; 陈汝熙; 叶广林
Original assignee: Shenzhen Huagong New Energy Equipment Co ltd
Current assignee: Shenzhen Huagong New Energy Equipment Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-02-22
Anticipated expiration: 2031-07-01

Abstract

The utility model belongs to the technical field of new energy batteries, and particularly provides a pole piece wiping device which comprises: the cleaning machine comprises a rack, a main board, a winding tray, an unwinding tray, cleaning cloth, a supporting plate, a wiping structure and a swing shaft; the main board drives parts such as a winding material disc, an unwinding material disc, a wiping structure and the like to slide on the rack, fixed-point quantitative wiping of the pole piece can be realized, and the accuracy of a wiping position is ensured; in addition, can set up the pore of filling the cleaning solution on wiping the head, can make the cleaning solution soak on cleaning cloth at clean in-process, will wipe the residue that the in-process is difficult to wipe and dissolve and thoroughly wipe totally, wipe the dust of in-process moreover and adsorbed the back by the cleaning solution, reduced the space pollution that the dust is graceful to cause.

Description

Pole piece wiping device

Technical Field

The utility model belongs to the technical field of new energy batteries, and particularly relates to a pole piece wiping device of a lithium battery.

Background

In the production line of the lithium ion battery, tabs are often required to be welded on a foil body of a battery pole piece, in the current novel process, the foil body is exposed after a coating layer of the pole piece is cleaned by laser, and then the tabs are welded. In production, the laser parameters are adjusted usually, and the coating layer of the pole piece is removed according to the specified size, but the coating layer still has certain residue, so that the welding is poor in viscosity and unstable in pole lug welding, the tension value of the pole lug is not standard, the lithium battery is broken, the internal resistance is inconsistent, and the performance and the service life of the battery are influenced. And a wiping mechanism is adopted, so that the residual coating layer on the surface of the base material can be removed completely.

The pole piece is cleaned mainly by removing dust or particles adhered to the pole piece in a vacuum negative pressure adsorption and dust-free cloth wiping mode. The vacuum negative pressure adsorption mode has the advantages of non-contact dust removal, no material consumption, limited vacuum adsorption force and unobvious dust removal effect. And the dustless cloth mode of wiping that adopts at present can only clean to the large tracts of land, simultaneously because direct contact to the pole piece, scotch the pole piece body easily, and when the residue on the pole piece bonds too much, can't effectively clean, and when increasing wiping force, then can cause the material damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the cleaning effect of the existing pole piece cleaning method is not ideal and the pole piece is possibly damaged.

Therefore, the utility model provides a pole piece wiping device, which comprises: the device comprises a rack, a main board, a supporting plate, a winding tray, an unwinding tray, cleaning cloth, a wiping structure and a swing shaft; the support plate is connected to one end of the rack, and the main board is connected to the rack in a sliding mode; the winding tray and the unwinding tray are rotatably arranged on the same side face of the main board, and the winding tray is connected with the unwinding tray through the cleaning cloth; the wiping structure comprises a swinging arm and a wiping head connected below the swinging arm, and the bottom of the wiping head is attached to the cleaning cloth between the winding tray and the unwinding tray; the swinging shaft is connected between the main board and the swinging arm and drives the wiping head to reciprocate up and down through the swinging arm.

Specifically, a liquid inlet is formed in the side surface of the wiping head, and a liquid outlet is formed in the contact position of the bottom of the wiping head and the cleaning cloth; the liquid inlet is communicated with the liquid outlet.

Specifically, the liquid inlet is connected with a joint.

Specifically, the wiping structure further comprises a roller bracket, a roller rotating shaft and a roller; wherein the roller bracket is connected below the swing arm; the roller rotating shaft penetrates through the roller bracket and is tightly matched with the roller bracket, and the roller rotating shaft and the roller bracket can not rotate mutually; the roller is rotatably mounted on the roller rotating shaft.

Specifically, the swing shaft comprises a swing rotating shaft, a swing shaft flange, a swing arm and a swing cylinder; wherein the swing shaft flange is mounted on the main plate; one end of the swing rotating shaft is rotatably assembled on the swing shaft flange, and the other end of the swing rotating shaft is connected with the swing arm of the wiping structure; one end of the swing arm is fixedly arranged on the end part of one end of the swing rotating shaft connected with the swing shaft flange, and the other end of the swing arm is connected with the piston of the swing cylinder; the bottom of the swing cylinder is fixed on the main board.

Specifically, the swing arm is connected with a piston of the swing cylinder through a floating joint.

Specifically, the main plate is connected to the frame in a sliding manner through a feed cylinder.

Specifically, the pole piece wiping device further comprises a driving motor; the winding tray is rotatably arranged on the main board through the driving motor and is driven by the driving motor to wind.

Specifically, the pole piece wiping device further comprises a magnetic powder brake; the unwinding tray is rotatably arranged on the main board through the magnetic powder brake and is driven by the magnetic powder brake to unwind.

Specifically, the pole piece wiping device further comprises a plurality of guide rollers fixed on the main board; the cleaning cloth sequentially passes through the guide rollers after being unreeled by the unreeling tray and is finally reeled by the reeling tray.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the pole piece wiping device provided by the utility model drives the parts such as the winding material disc, the unwinding material disc and the wiping structure to slide on the frame through the mainboard, fixed-point and quantitative wiping of the pole piece can be realized, and the accuracy of a wiping position is ensured; in addition, the cleaning head is provided with a pore for filling the cleaning liquid, the cleaning liquid can be soaked on the cleaning cloth in the cleaning process, residues which are difficult to wipe off in the cleaning process are dissolved and thoroughly wiped, and after dust in the cleaning process is absorbed by the cleaning liquid, the space pollution caused by dust flowing is reduced.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic front view of a pole piece wiping apparatus of the present invention.

FIG. 2 is a schematic back view of a pole piece wiping apparatus of the present invention.

Fig. 3 is a schematic diagram of a wiping structure of the pole piece wiping device of the utility model.

FIG. 4 is a plan view of the wiping head of the pole piece wiping apparatus of the present invention on the left, and a sectional view taken along the plane A-A of the wiping head of the pole piece wiping apparatus of the present invention on the right.

Figure 5 is a schematic view of the axis of oscillation of the pole piece wiping device of the present invention.

Description of reference numerals: 1. a frame; 2. a main board; 3. a material collecting tray is collected; 4. unwinding a material tray; 5. a cleaning cloth; 6. a drive motor; 7. a magnetic powder brake; 8. a guide roller; 9. a support plate; 10. a swing cylinder; 11. a piston; 12. a floating joint; 13. swinging arms; 14. swinging the rotating shaft; 15. a swing shaft flange; 16. a swing arm; 17. a wiping head; 18. a liquid inlet; 19. a liquid outlet; 20. a joint; 21. a roller bracket; 22. a roller shaft; 23. a roller; 24. a feed cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1-5, the present invention provides a pole piece wiping apparatus comprising: the cleaning machine comprises a frame 1, a main board 2, a winding tray 3, an unwinding tray 4, cleaning cloth 5, a supporting plate 9, a wiping structure and a swing shaft; wherein the supporting plate 9 is connected to one end of the frame 1, the main plate 2 is slidably connected to the frame 1, and preferably, is slidably connected to the frame 1 through a feeding cylinder 24; the winding material disc 3 and the unwinding material disc 4 are both rotatably arranged on the same side face of the main board 2, and the winding material disc 3 is connected with the unwinding material disc 4 through the cleaning cloth 5; the wiping structure comprises a swinging arm 16 and a wiping head 17 connected below the swinging arm 16, and the bottom of the wiping head 17 is attached to the cleaning cloth 5 between the winding tray 3 and the unwinding tray 4; the swing shaft is connected between the main plate 2 and the swing arm 16, and drives the wiping head 17 to reciprocate up and down through the swing arm 16. Before the cleaning cloth is used for the first time, the coiled cleaning cloth 5 is arranged in the unwinding tray 4, and one end of the cleaning cloth 5 passes through the bottom of the wiping head 17 and then reaches the winding tray 3 to be fixed. When the cleaning machine works, a pole piece to be cleaned is placed on the supporting plate 9, the main board 2 moves on the rack 1, the cleaning head 17 is located above the stain of the pole piece, the swinging shaft is started, the swinging arm 16 connected with the swinging shaft drives the cleaning head 17 to press downwards, the cleaning cloth 5 at the bottom of the cleaning head 17 is in contact with the stain on the pole piece, the main board 2 drives all parts on the cleaning cloth to move back together, the cleaning cloth 5 finishes one-time cleaning of the stain on the pole piece, and the steps are repeated until the stain on the pole piece is completely removed. Then, the swing shaft is started again, the swing arm 16 drives the wiping head 17 to reset, and the main board 2 drives the wiping structure to move to the next point to be wiped to continue the wiping step. When the cleaning cloth 5 below the wiping head 17 is dirty and can not be reused, the winding disc 3 and the unwinding disc 4 are rotated to drive the cleaning cloth 5 to run for a certain distance, the used cleaning cloth 5 is taken into the winding disc 3, and the clean cleaning cloth 5 unwound from the unwinding disc 4 moves to the bottom of the wiping head 17 to perform next round of wiping.

In order to effectively remove the residues on the pole piece and avoid the space pollution caused by the dust flowing in the wiping process, as shown in fig. 4, a liquid inlet 18 is arranged on the side surface of the wiping head 17, and a liquid outlet 19 is arranged at the bottom part contacting with the cleaning cloth 5; the liquid inlet 18 and the liquid outlet 19 are communicated with each other. The cleaning liquid flows into the wiping head 17 through the liquid inlet 18 and soaks the cleaning cloth 5 through the liquid outlet 19, so that residues which are difficult to wipe are dissolved and thoroughly wiped. Preferably, a connection 20 is connected to the liquid inlet 18, so that external cleaning liquid can be poured into the wiping head 17 via the connection 20.

Further, as shown in fig. 3, the wiping structure further includes a roller bracket 21, a roller rotating shaft 22 and a roller 23; wherein said roller carriage 21 is connected below said swing arm 16; the roller rotating shaft 22 penetrates through the roller bracket 21 and is tightly matched with the roller bracket, and the roller rotating shaft and the roller bracket cannot rotate mutually; the roller 23 is rotatably mounted on the roller shaft 22. After passing through the bottom of the wiping head 17, the cleaning cloth 5 passes through the upper part of the roller 23 and is wound by the winding disc 3, so that the tension of the cleaning cloth 5 is increased.

Specifically, as shown in fig. 5, the swing shaft includes a swing cylinder 10, a swing arm 13, a swing rotating shaft 14, and a swing shaft flange 15; wherein the swing shaft flange 15 is mounted on the main plate 2; one end of the swing rotating shaft 14 is rotatably assembled on the swing shaft flange 15, and the other end is connected with the swing arm 16 of the wiping structure; one end of the swing arm 13 is fixedly arranged on the end part of one end of the swing rotating shaft 14 connected with the swing shaft flange 15, and the other end of the swing arm is connected with the piston 11 of the swing cylinder 10; the bottom of the swing cylinder 10 is fixed on the main plate 2, and preferably, the swing cylinder 10 can be fixed on the main plate 2 through a cylinder bracket. When the device is used, the piston 11 of the swing cylinder 10 pushes the swing arm 13, so that the swing rotating shaft 14 connected with the swing arm 13 and the swing arm 16 connected with the swing rotating shaft 14 are driven to move, the wiping head 17 can reciprocate up and down, the wiping head 17 is in flexible contact with a pole piece in a cylinder pushing mode, and mechanical damage to the pole piece is prevented.

In order to eliminate connection errors, improve the overall precision of the oscillating shaft, ensure the stable operation of related components and prolong the service life of the oscillating shaft, the oscillating arm 13 is connected with the piston 11 of the oscillating cylinder 10 through a floating joint 12.

Furthermore, the pole piece wiping device provided by the utility model also comprises a driving motor 6, and the winding disc 3 is rotatably arranged on the main board 2 through the driving motor 6 and is driven by the driving motor 6 to wind.

In a refined embodiment, the pole piece wiping device further comprises a magnetic powder brake 7, the unwinding tray 4 is rotatably mounted on the main board 2 through the magnetic powder brake 7 and is driven by the magnetic powder brake 7 to unwind, and meanwhile, the magnetic powder brake 7 can also be used for controlling the tension of the cleaning cloth 5.

Because the cleaning cloth 5 may have deviation during movement, and the deviation deviates from the bottom of the wiping head 17, which affects the wiping process, the pole piece wiping device further comprises a plurality of guide rollers 8 fixed on the main board 2; the cleaning cloth 5 is sequentially wound by the winding disc 3 through the plurality of guide rollers 8 after being unwound by the unwinding disc 4. In a preferred embodiment, as shown in fig. 1, the guide rollers 8 are distributed on both sides of the wiping head 17, and the cleaning cloth 5 coming out of the unwinding tray 4 sequentially passes through the two guide rollers 8, the wiping head 17 and the three guide rollers 8 and then is wound by the winding tray 3. The guide roller 8 plays a role in correcting the deviation of the cleaning cloth 5 on one hand, and also improves the tension of the cleaning cloth 5 between the winding tray 3 and the unwinding tray 4 on the other hand.

In conclusion, the pole piece wiping device provided by the utility model drives the winding material disc, the unwinding material disc, the wiping structure and other parts to slide on the frame through the mainboard, fixed-point and quantitative wiping of the pole piece can be realized, and the accuracy of a wiping position is ensured; in addition, the cleaning head is provided with a pore for filling the cleaning liquid, the cleaning liquid can be soaked on the cleaning cloth in the cleaning process, residues which are difficult to wipe off in the cleaning process are dissolved and thoroughly wiped, and after dust in the cleaning process is absorbed by the cleaning liquid, the space pollution caused by dust flowing is reduced.

The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the utility model, which is intended to be covered by the claims and any design similar or equivalent to the scope of the utility model.

Claims

1. A pole piece wiping device, comprising: the cleaning machine comprises a rack (1), a main board (2), a winding tray (3), an unwinding tray (4), cleaning cloth (5), a supporting plate (9), a wiping structure and a swinging shaft; the supporting plate (9) is connected to one end of the rack (1), and the main board (2) is connected to the rack (1) in a sliding manner; the winding material disc (3) and the unwinding material disc (4) are rotatably arranged on the same side face of the main board (2), and the winding material disc (3) is connected with the unwinding material disc (4) through the cleaning cloth (5); the wiping structure comprises a swing arm (16) and a wiping head (17) connected below the swing arm (16), and the bottom of the wiping head (17) is attached to the cleaning cloth (5) between the winding tray (3) and the unwinding tray (4); the swing shaft is connected between the main plate (2) and the swing arm (16) and drives the wiping head (17) to reciprocate up and down through the swing arm (16).

2. A pole piece wiping device as defined in claim 1, wherein: a liquid inlet (18) is formed in the side surface of the wiping head (17), and a liquid outlet (19) is formed in the contact position of the bottom of the wiping head (17) and the cleaning cloth (5); the liquid inlet (18) and the liquid outlet (19) are communicated with each other.

3. A pole piece wiping device as defined in claim 2, wherein: the liquid inlet (18) is connected with a joint (20).

4. A pole piece wiping device as defined in claim 1, wherein: the wiping structure also comprises a roller bracket (21), a roller rotating shaft (22) and a roller (23); wherein the roller carriage (21) is connected below the swing arm (16); the roller rotating shaft (22) penetrates through the roller bracket (21) and is tightly matched with the roller bracket, and the roller rotating shaft and the roller bracket cannot rotate mutually; the roller (23) is rotatably mounted on the roller rotating shaft (22).

5. A pole piece wiping device as defined in claim 1, wherein: the swing shaft comprises a swing cylinder (10), a swing arm (13), a swing rotating shaft (14) and a swing shaft flange (15); wherein the swing shaft flange (15) is mounted on the main plate (2); one end of the swing rotating shaft (14) is rotatably assembled on the swing shaft flange (15), and the other end of the swing rotating shaft is connected with the swing arm (16) of the wiping structure; one end of the swing arm (13) is fixedly arranged on the end part of one end of the swing rotating shaft (14) connected with the swing shaft flange (15), and the other end of the swing arm is connected with the piston (11) of the swing cylinder (10); the bottom of the swing cylinder (10) is fixed on the main plate (2).

6. A pole piece wiping device as defined in claim 5, wherein: the swing arm (13) is connected with the piston (11) of the swing cylinder (10) through a floating joint (12).

7. A pole piece wiping device as defined in claim 1, wherein: the main plate (2) is connected to the frame (1) in a sliding mode through a feeding air cylinder (24).

8. A pole piece wiping device as defined in claim 1, wherein: also comprises a driving motor (6); the winding disc (3) is rotatably installed on the main board (2) through the driving motor (6), and is wound under the driving of the driving motor (6).

9. A pole piece wiping device as defined in claim 1, wherein: the magnetic powder brake (7); the unwinding tray (4) is rotatably installed on the main board (2) through the magnetic powder brake (7), and is driven by the magnetic powder brake (7) to unwind.

10. A pole piece wiping device as defined in claim 1, wherein: the device also comprises a plurality of guide rollers (8) fixed on the main plate (2); the cleaning cloth (5) is sequentially wound by the winding disc (3) through the plurality of guide rollers (8) after the unwinding disc (4) unwinds.