CN216679488U

CN216679488U - A supplementary dust extraction for electric core coiling processing

Info

Publication number: CN216679488U
Application number: CN202120906825.5U
Authority: CN
Inventors: 骆嘉慧; 骆浩强
Original assignee: Guangdong Zhaoneng Technology Co ltd
Current assignee: Guangdong Zhaoneng Technology Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-06-07
Anticipated expiration: 2031-04-28

Abstract

The utility model provides an auxiliary dust suction device for winding and processing a battery cell, which comprises a box body, a rotating roller for driving a pole piece to be conveyed, an upper guide plate and a lower guide plate, wherein the upper guide plate and the lower guide plate are used for guiding the conveyed pole piece; the upper guide plate and the lower guide plate are obliquely arranged on one side of the box body, the upper guide plate and the lower guide plate are arranged in a central symmetry manner, and the rotating roller is arranged between the upper guide plate and the lower guide plate; a dust collector is arranged in the box body; dust collection cavities are arranged inside the upper guide plate and the lower guide plate, dust collection holes communicated with the dust collection cavities are formed in the upper guide plate and the lower guide plate, and the dust collection cavities are connected with a dust collector; the pole piece in the upper guide plate is turned to and conveyed to the lower guide plate by the rotary roller, and dust on the surface of the pole piece in the upper guide plate and dust on the surface of the pole piece in the lower guide plate are sucked by the dust collector respectively. The utility model can completely remove dust attached to the pole piece, can effectively avoid the dust from being wound into the battery cell in the subsequent battery cell winding process, and improves the production quality of the battery cell.

Description

A supplementary dust extraction for electric core coiling processing

Technical Field

The utility model relates to the technical field of battery manufacturing, in particular to an auxiliary dust suction device for winding and processing of a battery core.

Background

At present, lithium ion batteries are widely used in the fields of new energy and high efficiency and energy conservation. In the prior art, a lithium battery winding machine automatically winds a pole piece and a diaphragm into a battery cell. The pole pieces are used as the components of the battery cell, and in the process of producing the battery cell, the pole piece blanks are conveyed through the roll shafts for processing, and the lithium battery pole pieces are generally required to be dedusted before the battery cell is wound so as to remove dust of the lithium battery pole pieces.

Because the size of the dust particles is small, the transmitted pole pieces are static, so the dust particles are easily adsorbed by the pole pieces, or the metal or nonmetal tiny dust particles fall back to the surfaces of the pole pieces under the action of gravity to pollute the positive pole pieces and the negative pole pieces, and the quality problems of accelerated self-discharge of the battery and the like are caused. In addition, if the pole piece has dust, the phenomenon that the dust pierces through the diaphragm can even occur, so that the pole piece is in short circuit, and the battery can be ignited and exploded in serious conditions, thereby causing potential safety hazards.

Therefore, it is necessary to provide a method for removing dust attached to the pole piece to avoid affecting the quality of the wound battery cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide an auxiliary dust suction device for winding of a battery cell, which can comprehensively remove dust attached to a pole piece and effectively avoid the dust from being drawn into the battery cell in the subsequent winding process of the battery cell, thereby improving the production quality of the battery cell.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an auxiliary dust extraction for electric core coiling processing which characterized in that: the device comprises a box body, a roller for driving the transmission of a pole piece, an upper guide plate and a lower guide plate for guiding the transmitted pole piece; the upper guide plate and the lower guide plate are obliquely arranged on one side of the box body, the upper guide plate and the lower guide plate are arranged in a central symmetry manner, and the rotating roller is arranged between the upper guide plate and the lower guide plate;

a dust collector is arranged in the box body; dust collection cavities are arranged inside the upper guide plate and the lower guide plate, dust collection holes communicated with the dust collection cavities are formed in the upper guide plate and the lower guide plate, and the dust collection cavities are connected with a dust collector; when the dust collector works, the rotary roller turns the pole piece in the upper guide plate to be conveyed to the lower guide plate, and the dust collector respectively sucks and removes dust on the surface of the pole piece in the upper guide plate and dust on the surface of the pole piece in the lower guide plate.

In the scheme, the dust collector can absorb the dust on one surface of the pole plate conveyed by the upper guide plate through the dust absorption hole, then the pole piece is turned by the rotary roller, and the dust collector can absorb the dust on the other surface of the pole plate conveyed by the lower guide plate through the dust absorption hole, so that the dust attached to the pole piece can be completely removed, the dust can be effectively prevented from being drawn into the battery cell in the subsequent winding process of the battery cell, and the production quality of the battery cell is improved.

The dust absorption hole comprises a plurality of adsorption holes.

The plurality of adsorption holes are arranged on the end faces of the lower ends of the upper guide plate and the lower guide plate.

Limiting plates are arranged on two sides of the upper guide plate and the lower guide plate; the adsorption hole is formed in the limiting plate. The dust on the side part of the pole piece can be absorbed by the absorption holes.

And the limiting plate of the upper guide plate and the limiting plate of the lower guide plate are both provided with pole piece detection sensors, and the pole piece detection sensors are positioned at the front ends of the adsorption holes along the pole piece conveying direction. When the pole piece detection sensor detects the pole piece, the controller can control the dust collector to work, so that the dust collection efficiency is improved.

And the high ends of the upper guide plate and the lower guide plate are provided with roller sweeping assemblies for sweeping dust on the surfaces of the pole pieces.

The installation groove has all been seted up to the eminence end of going up the deflector and lower deflector, sweeps roller assembly setting in the installation groove.

The sweeping roller assemblies respectively comprise a roller body, a sponge layer and a brush layer; the sponge layer is arranged on the roller body in a coating mode; the brush layer is coated on the sponge layer.

And a dust collecting groove connected with a dust collector is arranged at the bottom of the mounting groove. The sweeping roller assembly can sweep dust attached to the pole piece, and the dust collector can absorb the dust in the dust groove, so that the dust removal effect of the pole piece is further improved.

The high end of the upper guide plate is butted with the pole piece input platform; the lower end of the lower guide plate is butted with the pole piece output platform; the rotating roller is arranged between the lower end of the upper guide plate and the high end of the lower guide plate.

Compared with the prior art, the utility model has the following advantages and beneficial effects: the auxiliary dust suction device for winding the battery cell can comprehensively remove dust attached to the pole piece, and can effectively avoid the dust from being drawn into the battery cell in the subsequent winding process of the battery cell, thereby improving the production quality of the battery cell.

Drawings

FIG. 1 is a schematic view of a suction cleaner according to the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is a schematic view of the inside of the upper guide plate or the lower guide plate of the vacuum cleaner of the present invention;

FIG. 5 is an enlarged view at C of FIG. 4;

FIG. 6 is an enlarged view at D of FIG. 5;

wherein, 1 is a box body, 2 is a rotary roller, 3 is an upper guide plate, 4 is a lower guide plate, 5 is a dust absorption cavity, 6 is an absorption hole, 7 is a strip-shaped absorption hole, 8 is a limit plate, 9 is a pole piece detection sensor, 10 is a mounting groove, 11 is a dust receiving groove, 12 is a pole piece input platform, 13 is a pole piece output platform, and 14 is a sweeping roller component.

Detailed Description

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

Examples

As shown in fig. 1 to 6, the auxiliary dust suction device for electrical core winding processing of the present invention includes a box 1, a rotating roller 2 for driving the pole piece to be conveyed, and an upper guide plate 3 and a lower guide plate 4 for guiding the conveyed pole piece, wherein the upper guide plate 3 and the lower guide plate 4 are both obliquely disposed on one side of the box 1, the upper guide plate 3 and the lower guide plate 4 are centrally symmetrically disposed, the rotating roller 2 is disposed between a lower end of the upper guide plate 3 and a higher end of the lower guide plate 4, the higher end of the upper guide plate 3 is butted with a pole piece input platform 12, and the lower end of the lower guide plate 4 is butted with a pole piece output platform 13. The upper guide plate 3 and the lower guide plate 4 have the same structure.

A dust collector (not shown) is arranged in a box body 1, the dust collector is a vacuum dust collector, dust collection cavities 5 are arranged in an upper guide plate 3 and a lower guide plate 4, dust collection holes communicated with the dust collection cavities 5 are formed in the upper guide plate 3 and the lower guide plate 4, and the dust collection cavities 5 are connected with the dust collector; during operation, change the pole piece in roller 2 with last deflector 3 and turn to conveying to deflector 4 down, the dust catcher is to the dust on pole piece surface in last deflector 3 and the dust on pole piece surface in deflector 4 down respectively and is absorbed.

The dust absorption holes of the utility model comprise a plurality of absorption holes 6 and strip-shaped absorption holes 7. Specifically, a plurality of suction holes 6 are arranged on the end faces of the lower ends of the upper guide plate 3 and the lower guide plate 4. Limiting plates 8 are arranged on two sides of the upper guide plate 3 and the lower guide plate 4, and long-strip-shaped adsorption holes 7 are formed in the limiting plates 8.

The limiting plate 8 of the upper guide plate 3 and the limiting plate 8 of the lower guide plate 4 are both provided with a pole piece detection sensor 9, and the pole piece detection sensor 9 is positioned at the front end of the strip-shaped adsorption hole 7 along the pole piece conveying direction.

In order to further improve the dust removal effect of the pole pieces, the high ends of the upper guide plate 3 and the lower guide plate 4 are respectively provided with a sweeping roller assembly 14 for sweeping dust on the surfaces of the pole pieces. The high ends of the upper guide plate 3 and the lower guide plate 4 are both provided with mounting grooves 10, and the sweeping roller assembly 14 is arranged in the mounting grooves 10. The roller sweeping assembly 14 comprises a roller body, a sponge layer and a brush layer, wherein the sponge layer is arranged on the roller body in a coating mode, and the brush layer is arranged on the sponge layer in a coating mode. The bottom of the mounting groove 10 of the utility model is provided with a dust collecting groove 11 connected with a dust collector. The sweeping roller assembly 14 of the utility model can sweep the dust attached on the pole piece, and the dust collector can absorb the dust in the dust groove 11.

The dust collector can suck and remove the dust on one surface of the polar plate conveyed by the upper guide plate 3 through the dust suction hole, then turns the pole piece through the rotating roller 2, and can suck and remove the dust on the other surface of the polar plate conveyed by the lower guide plate 4 through the dust suction hole, so that the dust attached to the pole piece can be completely removed, the dust can be effectively prevented from being drawn into the battery cell in the subsequent battery cell winding process, and the production quality of the battery cell is improved.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an auxiliary dust extraction for electric core coiling processing which characterized in that: the device comprises a box body, a roller for driving the transmission of a pole piece, an upper guide plate and a lower guide plate for guiding the transmitted pole piece; the upper guide plate and the lower guide plate are obliquely arranged on one side of the box body, the upper guide plate and the lower guide plate are arranged in a central symmetry manner, and the rotating roller is arranged between the upper guide plate and the lower guide plate;

2. The auxiliary dust suction device for the winding processing of the battery cell of claim 1, characterized in that: the dust absorption hole comprises a plurality of adsorption holes.

3. The auxiliary dust suction device for the winding processing of the battery cell of claim 2, characterized in that: the plurality of adsorption holes are arranged on the end faces of the lower ends of the upper guide plate and the lower guide plate.

4. The auxiliary dust suction device for the winding processing of the battery cell of claim 2, characterized in that: limiting plates are arranged on two sides of the upper guide plate and the lower guide plate; the adsorption hole is formed in the limiting plate.

5. The auxiliary dust suction device for the winding processing of the battery cell of claim 4, wherein: and the limiting plate of the upper guide plate and the limiting plate of the lower guide plate are both provided with pole piece detection sensors, and the pole piece detection sensors are positioned at the front ends of the adsorption holes along the pole piece conveying direction.

6. The auxiliary dust suction device for the winding processing of the battery cell of claim 1, characterized in that: and the high ends of the upper guide plate and the lower guide plate are provided with roller sweeping assemblies for sweeping dust on the surfaces of the pole pieces.

7. The auxiliary dust suction device for the winding processing of the battery cell of claim 6, characterized in that: the installation groove has all been seted up to the eminence end of going up the deflector and lower deflector, sweeps roller assembly setting in the installation groove.

8. The auxiliary dust suction device for battery cell winding processing according to claim 7, wherein: the sweeping roller assemblies respectively comprise a roller body, a sponge layer and a brush layer; the sponge layer is arranged on the roller body in a coating mode; the brush layer is coated on the sponge layer.

9. The auxiliary dust suction device for battery cell winding processing according to claim 7, wherein: and a dust collecting groove connected with a dust collector is arranged at the bottom of the mounting groove.

10. The auxiliary dust suction device for the winding processing of the battery cell of claim 1, characterized in that: the high end of the upper guide plate is butted with the pole piece input platform; the lower end of the lower guide plate is butted with the pole piece output platform; the rotating roller is arranged between the lower end of the upper guide plate and the high end of the lower guide plate.