CN210701496U

CN210701496U - Pole piece powder cleaning device

Info

Publication number: CN210701496U
Application number: CN201921612789.0U
Authority: CN
Inventors: 代贤友; 张雷; 尚随军; 郑荣鹏
Original assignee: Suzhou Youlion Battery Inc
Current assignee: Suzhou Youlion Battery Inc
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-09
Anticipated expiration: 2029-09-26

Abstract

The utility model provides a pole piece powder cleaning device, it includes: the shallow barrel body, this shallow barrel body is a cylindrical shallow barrel, this internal baffle of installing of shallow barrel, form the dust collecting chamber between the bottom of baffle and shallow barrel body, form the room of scrubbing between the end top of baffle and shallow barrel body, evenly distributed has the first round hole of a plurality of on the baffle, the second round hole has been seted up at the center of baffle, the third round hole has been seted up at shallow barrel body bottom center, install the pivot on the third round hole, and the pivot is to this internal second round hole that extends of shallow barrel, the one end fixedly connected with brush dish of pivot, the other end rotation of pivot is connected with driving motor, driving motor drive brush dish rotates. The utility model discloses compare in prior art and can carry out the powder with the pole piece after cutting and clean the brush, make the clean no powder of pole piece incision adhere to.

Description

Pole piece powder cleaning device

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to pole piece powder is cleaned and is brushed device.

Background

The battery pole piece is taken as an important part of a battery, after the battery pole piece is cut, in the processes of sheet making, winding and the like, the edge and the surface of the battery pole piece are generally required to be brushed and dedusted to remove burrs and dust on the edge and the surface of the battery pole piece, the pole piece is cleaned mainly to facilitate subsequent spot welding of a tab, if dust in a powder cleaning groove is not cleaned, the tab is easy to be subjected to fire explosion or false welding in the spot welding process, and the false welding and fire explosion easily cause high internal resistance and open circuit (namely no voltage) of the battery, so that the battery cannot be used, and the visible powder cleaning and dedusting are a very key process in the battery manufacturing process.

The current assembly mode of the winding core for the lithium ion battery production is divided into two modes, namely a winding mode and a lamination mode, wherein the former has high production efficiency, but the toughness requirement on an electrode plate is also high; the latter has low production efficiency, and burrs are easily generated on the edges of the pole pieces by adopting a traditional die cutting mode. In any production mode, the positive and negative pole pieces need to be subjected to a slitting process, material falling from notches in the slitting process cannot be avoided, a small amount of burrs may occur, and the powder and the burrs can have serious influence on short circuit, self-discharge and the like of the lithium ion battery. Although the splitting machine is provided with a dust removal device, the powder of the notch of the pole piece cannot be completely cleaned and adsorbed, and the dust concentration of a rear-section workshop is easily caused to be large, so that the yield of products is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a pole piece powder is cleaned and brushed device, the device can carry out the powder with the pole piece after cutting and clean and brush, makes the clean no powder of pole piece incision adhere to.

The utility model provides a pole piece powder cleaning device, it includes: the shallow barrel body, this shallow barrel body is a cylindrical shallow barrel, this internal baffle of installing of shallow barrel, form the dust collecting chamber between the bottom of baffle and shallow barrel body, form the room of scrubbing between the end top of baffle and shallow barrel body, evenly distributed has if next first round hole on the baffle, the second round hole has been seted up at the center of baffle, the third round hole has been seted up at shallow barrel body bottom center, install the pivot on the third round hole, and the pivot is to this internal second round hole that extends of shallow barrel, the one end fixedly connected with brush dish of pivot, the other end rotation of pivot is connected with driving motor, driving motor drive brush dish rotates.

Furthermore, a brush or a hard sponge is fixedly arranged on the brush disk, and the brush or the hard sponge is spirally distributed on the brush disk in the center.

Furthermore, an air pipe connector is arranged on the side edge of the dust collecting chamber and connected with an air suction pump.

Further, the driving motor is driven by a motor or a handle.

Furthermore, a fixed shaft is arranged in the cleaning chamber, and the pole piece is arranged on the fixed shaft.

Furthermore, a bearing is installed on the third round hole, and the rotating shaft is rotatably connected to the bearing.

The utility model discloses an at the central trompil in cylindrical shallow section of thick bamboo main part bottom for the installation bearing, installation baffle in shallow section of thick bamboo main part, baffle and bottom formation bilayer structure, baffle have evenly distributed's first round hole, have the trachea interface on lower floor side for connect the aspiration pump, follow pole piece surface suction with the powder of brushing down.

Therefore, compared with the prior art, the pole piece powder cleaning device adopting the embodiment mainly has the following advantages:

1) the bottom of the cylindrical shallow cylinder is provided with a double-layer structure, so that dust can be effectively separated, and secondary pollution of the pole piece is prevented.

2) Good dust removal effect, simple operation and strong practicability.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a pole piece powder cleaning device provided by an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a pole piece powder cleaning device provided by an embodiment of the present invention.

Fig. 3 is a top view of a pole piece powder brushing device according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 3, the utility model provides a pole piece powder cleaning device that embodiment one provides is shown in the figure, it has mainly set up shallow barrel body 1, shallow barrel body 11 is cylindrical shallow barrel, install the baffle in the shallow barrel body 1, form dust collecting chamber 11 between the bottom of baffle 2 and shallow barrel body 1, form cleaning chamber 12 between the end top of baffle 2 and shallow barrel body 1, evenly distributed has the first round hole 21 of a plurality of on the baffle 2, second round hole 22 has been seted up at the center of baffle 2, third round hole 13 has been seted up at shallow barrel body 1 bottom center, install pivot 3 on the third round hole 13, and pivot 3 extends second round hole 22 to shallow barrel body 1, the one end fixedly connected with brush dish 31 of pivot 3, the other end rotation of pivot 3 is connected with driving motor 4, driving motor 4 drives brush dish 31 and rotates.

Specifically, referring to fig. 1 to 3, a fixing shaft 121 is fixedly connected in the cleaning chamber 12, the pole piece 5 is mounted on the fixing shaft 121, a bearing is mounted on the third circular hole 13, the rotating shaft 3 is rotatably connected to the bearing, and the driving motor 4 is driven by a motor or a handle.

Through the arrangement of the structure, the center of the bottom of the cylindrical shallow barrel is provided with a hole for mounting a bearing. The partition plate is installed in the shallow barrel main body and forms a double-layer structure with the bottom, and the partition plate is provided with first round holes which are uniformly distributed and air pipe connectors at the side edge of the lower layer for connecting an air suction pump. The brush disc is provided with a brush or a hard sponge, the brush disc is distributed in a central spiral manner, when the brush disc rotates, powder tends to gather towards the center, the cut pole piece is arranged on the fixed shaft, the brushing disc is attached to the surface of the pole roll, when the cut of the pole piece is cleaned, the brush disc is driven by a motor or a handle to swing, the brush disc rotates, the air pump is started, and the brushed powder is sucked out from the surface of the pole piece.

2) Good dust removal effect, simple operation and strong practicability.

Example two:

referring to fig. 1 to 3: the drawing shows a pole piece powder cleaning device provided by the second embodiment of the present invention, and the present embodiment further makes an improved technical scheme on the basis of the above embodiments: air pipe connector 111 has been seted up to the side of dust collecting chamber 11, and air pipe connector 111 is connected with the aspiration pump, and through foretell structure setting, pole piece incision powder is clear away, can in time get rid of, prevents pole piece secondary pollution, improves clean effect.

Example three:

referring to fig. 1 to 3: the third embodiment of the present invention provides a pole piece powder cleaning device, which further adopts the following technical solution as an improvement on the basis of the above embodiments: brush 32 or stereoplasm sponge of fixed mounting on brush dish 31, brush 32 or stereoplasm sponge are central spiral and distribute on the brush dish, and through foretell structure setting, brush or stereoplasm sponge material are softer, can protect the pole piece not receive destruction when cleaning, and brush or stereoplasm sponge are central spiral and distribute on the brush dish simultaneously, can improve the efficiency of cleaning, the discharge of the beneficial dust.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a pole piece powder cleaning device which characterized in that includes: the shallow barrel comprises a shallow barrel body (1), wherein the shallow barrel body (1) is a cylindrical shallow barrel, a partition plate is arranged in the shallow barrel body (1), a dust collecting chamber (11) is formed between the partition plate (2) and the bottom of the shallow barrel body (1), a brushing chamber (12) is formed between the partition plate (2) and the bottom top of the shallow barrel body (1), a plurality of first round holes (21) are uniformly distributed on the partition plate (2), a second round hole (22) is formed in the center of the partition plate (2), a third round hole (13) is formed in the center of the bottom of the shallow barrel body (1), a rotating shaft (3) is arranged on the third round hole (13), the rotating shaft (3) extends out of the second round hole (22) into the shallow barrel body (1), a brush disc (31) is fixedly connected to one end of the rotating shaft (3), and a driving motor (4) is rotatably connected to the other end of the rotating shaft (3), the driving motor (4) drives the brush disc (31) to rotate.

2. The pole piece powder cleaning device according to claim 1, wherein the brush disk (31) is fixedly provided with a brush (32) or a hard sponge, and the brush (32) or the hard sponge is spirally distributed on the brush disk.

3. The pole piece powder cleaning device according to claim 1, wherein an air pipe connector (111) is arranged at a side of the dust collection chamber (11), and the air pipe connector (111) is connected with an air suction pump.

4. The pole piece powder cleaning device according to claim 1, wherein the driving motor (4) is a motor drive or a handle.

5. A pole piece powder cleaning device according to claim 1, characterized in that a fixed shaft (121) is arranged in the cleaning chamber (12), and the pole piece (5) is mounted on the fixed shaft (121).

6. The pole piece powder cleaning device according to claim 1, wherein a bearing is mounted on the third circular hole (13), and the rotating shaft (3) is rotatably connected to the bearing.