CN214812849U

CN214812849U - Pole piece metal dust removing device and pole piece slitting machine

Info

Publication number: CN214812849U
Application number: CN202120506668.9U
Authority: CN
Inventors: 江泽德; 严洪桔; 沈两尼; 刘勇
Original assignee: Ganzhou Woneng New Energy Co ltd
Current assignee: Ganzhou Woneng New Energy Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-23
Anticipated expiration: 2031-03-10

Abstract

The utility model provides a pole piece removes metal dust device and pole piece divides strip machine, the pole piece removes metal dust device and includes the brush powder box, the brush powder box is including the entry and the export that are used for the pole piece to pass, be equipped with the brush in the brush powder box, the brush powder box is equipped with bar magnet or magnetic stripe being close to the exit. Adopt the technical scheme of the utility model, install magnetic stripe or bar magnet additional at the brush powder box, carry out the powerful metal powder bits that adsorb through magnetism to the pole piece after dividing the strip, thoroughly drive and cut the metal powder bits of back adhesion on the pole piece, can avoid leading to the electric core of production on the pole piece from discharging to cause the low pressure greatly, puncture the diaphragm and lead to serious safety problems such as electric core short circuit, the burning of starting a fire because of the metal powder bits adhesion.

Description

Pole piece metal dust removing device and pole piece slitting machine

Technical Field

The utility model relates to a battery manufacturing technology field especially relates to a pole piece removes metal dust device and pole piece and divides strip machine.

Background

At present, the method

In order to avoid serious safety problems of short circuit, fire burning and the like of the battery cell caused by the fact that the battery cell is greatly subjected to self-discharge due to the fact that metal dust is adhered to the pole pieces and the diaphragm is punctured, the strip-shaped strong magnetic rod is additionally arranged, the pole pieces after being divided are strongly adsorbed with metal dust, and potential safety hazards are avoided.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model discloses a pole piece removes metal dust device and pole piece divides strip machine has avoided causing the low pressure greatly because of the electric core self-discharge of metal dust adhesion production at the pole piece, punctures the diaphragm and leads to serious safety problems such as electric core short circuit, the burning of starting a fire, through installing the powerful bar magnet of strip additional, carries out powerful absorption metal dust to dividing strip back pole piece, avoids the potential safety hazard. The metal dust is mainly iron dust and nickel dust having ferromagnetism.

To this end, the technical scheme of the utility model is that:

the utility model provides a pole piece removes metal dust device, its includes the brush powder box, the brush powder box is including the entry and the export that are used for the pole piece to pass, be equipped with the brush in the brush powder box, the brush powder box is equipped with bar magnet or magnetic stripe being close to the exit. By adopting the technical scheme, the magnetic force of the magnetic bar or the magnetic strip is used for adsorbing the metal dust on the surface of the divided pole piece, so that the potential safety hazard caused by the metal dust on the surface of the pole piece can be avoided.

As a further improvement of the utility model, the upper side and the downside of the brush powder box near the outlet side are respectively provided with a magnetic bar or a magnetic stripe. The magnetic rod or the magnetic stripe on the upper side absorbs the metal dust on the upper surface of the pole piece, and the magnetic rod or the magnetic stripe on the lower side absorbs the metal dust on the lower surface of the pole piece.

As a further improvement of the utility model, the perpendicular distance from the magnetic bar or the magnetic stripe to the pole piece is not less than 5 mm.

As a further improvement of the utility model, the horizontal distance from the magnetic bar or the magnetic stripe to the pole piece is not less than 40 mm.

As a further improvement of the utility model, the upper side in the powder brushing box is provided with an air suction hole, and the air suction hole is connected with a dust absorption pipeline.

As a further improvement, the brush powder box comprises an upper box and a base, the upper box and the base are respectively connected with the lifting mechanism, and the brush, the magnetic bar or the magnetic stripe are respectively fixed in the upper box and the base.

As a further improvement of the present invention, the lifting mechanism includes a cylinder.

The utility model also discloses a pole piece divides strip machine, it includes feed mechanism, branch strip sword, discharge mechanism and as above arbitrary the pole piece remove the metal dust device, the pole piece removes the metal dust device and is located between branch strip sword and the discharge mechanism.

As a further improvement, the slitting knife and the pole piece are provided with a compression roller set between the metal dust removing devices.

As a further improvement, the feeding mechanism comprises a pole piece coiling frame, a feeding roller group and a compression roller, and the discharging mechanism comprises a discharging roller group and a pole piece scroll.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the technical scheme of the utility model, install magnetic stripe or bar magnet additional at the brush powder box, carry out the powerful metal powder bits that adsorb through magnetism to the pole piece after dividing the strip, thoroughly drive and cut the metal powder bits of back adhesion on the pole piece, can avoid leading to the electric core of production on the pole piece from discharging to cause the low pressure greatly, puncture the diaphragm and lead to serious safety problems such as electric core short circuit, the burning of starting a fire because of the metal powder bits adhesion.

Drawings

Fig. 1 is a schematic structural diagram of a device for removing metal dust from a pole piece of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of a device for removing metal dust from a pole piece of the present invention.

Fig. 3 is a schematic structural view of the pole piece slitting machine of the present invention.

The reference numerals include:

1-a powder brushing box, 2-a hair brush, 3-a powerful magnetic strip, 4-an upper box, 5-a base, 6-a lifting cylinder and 7-a dust collection pipeline;

11-a feeding mechanism, 12-a slitting knife, 13-a discharging mechanism, 14-a pressing roller group, 15-a pole piece coiling frame, 16-a feeding roller group, 17-a pressing roller and 18-a discharging roller group;

20-pole piece.

Detailed Description

Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and fig. 2, a pole piece removes metal dust device, it includes brush powder box 1, brush powder box 1 is including the entry and the export that are used for pole piece 20 to pass, brush powder box 1 all is equipped with brush 2 about being close to the entry or the middle part, brush powder box 1 is equipped with powerful magnetic stripe 3 respectively at upside and the downside that is close to the outlet side. The vertical distance from the strong magnetic stripe 3 to the pole piece 20 is not less than 5 mm. The horizontal distance from the strong magnetic stripe 3 to the pole piece 20 is not less than 40 mm. Specifically, the brush powder box 1 includes box 4 and base 5, it is connected with lift cylinder 6 respectively to go up box 4 and base 5, brush 2, powerful magnetic stripe 3 are fixed respectively in last box 4 and base 5.

Further, the upper side in the brush powder box 1 is provided with an air suction hole, and the air suction hole is connected with a dust suction pipeline 7.

Example 2

As shown in fig. 1 to 3, a pole piece slitting machine includes a feeding mechanism 11, a slitting knife 12, a discharging mechanism 13, and a pole piece metal dust removing device as described in embodiment 1, where the pole piece metal dust removing device is located between the slitting knife 12 and the discharging mechanism 13. And a compression roller set 14 is arranged between the slitting knife 12 and the pole piece metal dust removing device. The feeding mechanism 11 comprises a pole piece coiling frame 15, a feeding roller group 16 and a pressing roller 17, and the discharging mechanism 13 comprises a discharging roller group 18 and a pole piece coiling shaft.

By adopting the technical scheme, the coiling pole piece is arranged on the pole piece coiling frame 15, and the pole piece is drawn to the slitting knife 12 according to the direction of the slitting machine pole piece; starting the slitting knife 12, adjusting the edge cutting width of the pole piece, embedding the pole piece into the slitting knife 12 in a balanced manner, and slitting the pole piece into small pieces; respectively drawing the strips at intervals through the brush powder box 1 to carry out brushing and strong de-ironing magnetic operation, and thoroughly removing metal dust on the pole pieces; then the pole pieces are respectively drawn to a winding drum at the winding position according to the direction of the pole pieces to be adhered and wound; the strip splitting of the pole piece is completed, so that the metal dust on the surface of the pole piece is thoroughly and clearly seen, and the potential safety hazard is avoided.

The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a pole piece removes metal dust device which characterized in that: it includes the brush powder box, the brush powder box is including the entry and the export that are used for the pole piece to pass, be equipped with the brush in the brush powder box, the brush powder box is equipped with bar magnet or magnetic stripe being close to the exit.

2. The pole piece metal dust removing device according to claim 1, characterized in that: the powder brushing box is provided with a magnetic bar or a magnetic strip respectively at the upper side and the lower side which are close to the outlet side.

3. The pole piece metal dust removing device according to claim 2, characterized in that: the vertical distance from the magnetic bar or the magnetic stripe to the pole piece is not less than 5 mm.

4. The pole piece metal dust removing device according to claim 3, characterized in that: the horizontal distance from the magnetic bar or the magnetic strip to the pole piece is not less than 40 mm.

5. The pole piece metal dust removing device according to claim 1, characterized in that: and the upper side in the powder brushing box is provided with an air suction hole, and the air suction hole is connected with a dust suction pipeline.

6. The pole piece metal dust removing device according to claim 1, characterized in that: the brush powder box includes box and base, go up box and base and be connected with elevating system respectively, brush, bar magnet or magnetic stripe are fixed respectively in last box and base.

7. The pole piece metal dust removing device according to claim 6, characterized in that: the lifting mechanism comprises an air cylinder.

8. The utility model provides a pole piece divides strip machine which characterized in that: the pole piece metal dust removing device comprises a feeding mechanism, a slitting knife, a discharging mechanism and the pole piece metal dust removing device according to any one of claims 1 to 7, wherein the pole piece metal dust removing device is positioned between the slitting knife and the discharging mechanism.

9. The pole piece slitting machine of claim 8, wherein: and a compression roller set is arranged between the slitting knife and the metal dust removing device for the pole pieces.

10. The pole piece slitting machine of claim 8, wherein: the feeding mechanism comprises a pole piece coiling frame, a feeding roller group and a pressing roller, and the discharging mechanism comprises a discharging roller group and a pole piece reel.