CN219817191U - Lithium battery pole piece dust removal mechanism and lithium battery production equipment - Google Patents

Abstract

The utility model discloses a lithium battery pole piece dust removing mechanism and lithium battery production equipment, wherein the lithium battery pole piece dust removing mechanism comprises a mounting plate; the dust cover is fixed on the mounting plate; the dust removing part comprises a driving assembly, a sliding assembly and a brush assembly, wherein the driving assembly is fixed on the mounting plate, the sliding assembly and the brush assembly are arranged in the dust cover, one ends of the two brush assemblies are in sliding connection with the sliding assembly, and one end, far away from the sliding assembly, of the brush assembly is connected with the driving assembly; a position sensor adjacent to the dust removing part; the control device is electrically connected with the dust removing part and the position sensor, senses the distance between the two brush assemblies and the pole piece through the position sensor, and controls the driving assembly to drive the two brush assemblies to be close to or far away from each other according to the position signal provided by the position sensor.

Description

Lithium battery pole piece dust removal mechanism and lithium battery production equipment

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a lithium battery pole piece dust removing mechanism and lithium battery production equipment.

Background

In order to ensure the safety of the pole piece, before the pole piece is wound, dust removal treatment is needed to ensure the cleanness of the two side surfaces of the pole piece so as to facilitate the next procedure. The existing lithium battery pole piece dust removing mechanism consists of a guide groove part, two brushes and a dust cover, wherein the two brushes are relatively fixed on two sides of the pole piece, and the brushes and the dust cover form a semi-closed dust removing space. Because the brush position is fixed, can only remove dust to the pole piece of same thickness, in case pole piece thickness or shape change, need debug the brush position again, waste time and energy, especially be wavy pole piece to the edge, current brush mechanism can only remove dust to the pole piece one side that is closer to the brush to can not remove dust to pole piece two sides simultaneously, dust removal effect is poor.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a dust removing mechanism for a lithium battery pole piece, comprising:

a mounting plate;

the dust cover is fixed on the mounting plate;

the dust removing part comprises a driving component, a sliding component and two hairbrush components which are arranged at intervals, wherein the driving component is fixed on the mounting plate, the sliding component and the hairbrush components are arranged in the dust cover, one ends of the two hairbrush components are in sliding connection with the sliding component, one end, far away from the sliding component, of the hairbrush component is connected with the driving component, and the driving component drives the two hairbrush components to be mutually close to or far away from each other;

the position sensor is adjacent to the dust removing part and is fixed on the mounting plate or the dust cover; a kind of electronic device with high-pressure air-conditioning system

And the control device is electrically connected with the dust removing part and the position sensor.

Further, the brush assembly comprises a brush rotating shaft and wiping pieces, one end of the brush rotating shaft is in sliding connection with the sliding assembly, one end, far away from the sliding assembly, of the brush rotating shaft is connected with the driving assembly, and the wiping pieces are distributed on the brush rotating shaft.

Further, two ends of the brush rotating shaft are exposed.

Further, the sliding assembly comprises a rod body and two sliding parts, two ends of the rod body are fixed in the dust cover, the two sliding parts are arranged on the rod body in a sliding mode, and one ends of the two brush rotating shafts are respectively connected to one sliding part in a rotating mode.

Further, the driving assembly comprises a driving piece and two transmission pieces, the driving piece is fixed on the mounting plate, the two transmission pieces are coaxially arranged and are respectively connected to two opposite ends of the driving piece, the driving end of the driving piece is connected with one end of the two transmission pieces, the other ends of the two transmission pieces are respectively fixedly connected with the mounting plate, one end of the brush rotating shaft, which is far away from the sliding piece, is connected with the transmission pieces, the driving piece drives the two transmission pieces to move, and the two transmission pieces further drive the two brushes to be close to or far away from each other.

Further, the driving medium includes screw rod and fixed block, and the fixed block is located on the screw rod, and brush pivot is kept away from the slider one end and is connected with the fixed block.

Further, the dust collector further comprises a collecting assembly, wherein the collecting assembly is arranged below the dust removing part and is used for collecting dust scraped by the dust removing part.

Further, collect the subassembly and include funnel portion and tubular portion, the funnel portion sets up in the below of brush subassembly and opening up, and tubular portion and funnel portion switch-on for derive the dust that the funnel portion was collected.

Furthermore, the dust cover is made of a transparent acrylic plate or a plastic plate.

In another embodiment of the utility model, a lithium battery production device is provided, which comprises the lithium battery pole piece dust removing mechanism.

The utility model has the beneficial effects that: compared with the prior art, the utility model can sense the distance between the two brush assemblies and the pole piece through the position sensor, when the distance between the brush assemblies and the pole piece is too far, the brush assemblies can not remove dust from the pole piece, at the moment, the driving assembly drives the two brush assemblies to be close to each other, when the distance between the brush assemblies and the pole piece is too close, the brush assemblies can scrape the pole piece to influence the safety performance of the battery cell, at the moment, the driving assembly drives the two brush assemblies to be far away from each other, the distance between the brush assemblies and the pole piece can be flexibly controlled through the position sensor, the utility model is applicable to pole pieces with more thickness and shape, and is especially applicable to pole pieces with wavy edges, the positions of the brush assemblies are not required to be manually and frequently debugged, the universality of the brush mechanism is improved, and the dust removing effect is better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 and fig. 2 are schematic diagrams of external structures of a dust removing mechanism of a lithium battery pole piece;

fig. 3 and fig. 4 are schematic diagrams of internal structures of a dust removing mechanism of a lithium battery pole piece;

in the figure:

a 01 pole piece; 011 tab;

1, mounting a plate; 11 a support; 12 fixing parts; 121 a fixing rod; 122 fixing plates;

2, a dust cover;

3, a dust removing part; 31 a drive assembly; 311 driving piece; 312 driving members; 3121 screw; 3122 fixed blocks; 32 a slide assembly; 321 rod body; 322 a slider; 33 brush assembly; 331 brush shaft; 332 wiper;

a 4-position sensor;

and 5, controlling the device.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that, the technical solutions of the embodiments may be combined with each other, but it is necessary to be based on that the skilled person can realize that the combination of the technical solutions should be considered that the combination of the technical solutions does not exist when the combination of the technical solutions contradicts or cannot be realized, and is not within the scope of protection claimed by the present utility model.

Referring to fig. 1 and 2, fig. 1 and 2 are schematic diagrams of external structures of a dust removing mechanism for a lithium battery pole piece. The embodiment provides a lithium battery pole piece dust removing mechanism for cleaning dust on the surface of a battery pole piece, which comprises a mounting plate 1, a dust cover 2, a dust removing part 3, a position sensor 4 and a control device 5. The dust cover 2 is fixed on the mounting plate 1, the dust cover 2 is used for covering the main body part of the dust removing part 3, and the position sensor 4 is arranged adjacent to the dust removing part 3, for example, the position sensor 4 can be directly fixed on the dust cover 2 or directly fixed on the mounting plate 1. The control device 5 is electrically connected with the dust removing part 3 and the position sensor 4, and is used for controlling the dust removing part 3 to remove dust from the pole piece 01 and controlling the position sensor 4 to work, and the control device 5 can be any one of an industrial personal computer, a PLC or a singlechip.

The dust cover 2 can be designed as an integral part, can also be formed by splicing two parts, and is further provided with two corresponding gaps on the dust cover 2, wherein the two gaps are used for the pole piece 01 to penetrate into and out of the dust cover 2, namely, when the pole piece 01 is dedusted, the pole piece 01 penetrates into the dust cover 2 from one of the gaps, the main body part of the dust removing part 3 positioned in the dust cover 2 removes dust from the pole piece 01, and after the dust removal is completed, the pole piece 01 penetrates out of the dust cover 2 from the other gap. The dust cover 2 is made of a transparent acrylic plate or a plastic plate.

Referring to fig. 3 and 4, fig. 3 and 4 are schematic diagrams of an internal structure of a dust removing mechanism for a lithium battery pole piece. The dust removing part 3 comprises a driving component 31, a sliding component 32 and two hairbrush components 33 which are arranged at intervals, wherein the driving component 31 is fixed on the mounting plate 1, for example, the driving component 31 is fixed on one surface of the mounting plate 1 facing the dust cover 2 or one surface of the mounting plate 1 facing away from the dust cover 2, and in this example, the driving component 31 is fixed on one surface of the mounting plate 1 facing away from the dust cover 2. The sliding component 32 and the two brush components 33 are all arranged in the dust cover 2, one end of each brush component 33 is connected with the sliding component 32, the brush component 33 can slide on the sliding component 32, the other end of each brush component 33, namely the other end of each brush component 33 far away from the sliding component 32, is connected with the driving component 31, and when the driving component 31 is fixed on one surface of the mounting plate 1, which is far away from the dust cover 2, the other end of each brush component 33 needs to pass through the mounting plate 1 and then is connected with the driving component 31.

Thus, when the control device 5 controls the driving assembly 31 to operate, the driving assembly 31 can drive the two brush assemblies 33 to move relative to the sliding assembly 32, and when the two brush assemblies 33 move, the two brush assemblies are close to each other or far away from each other, so that the distance between the two brush assemblies 33 is reduced or increased.

When the pole piece 01 passes through the middle of the brush assemblies 33 arranged at two intervals, the position sensor 4 senses the distance between the two brush assemblies 33 and the pole piece 01, if the distance between the brush assemblies 33 and the pole piece 01 is too far, the brush assemblies 33 cannot remove dust on the pole piece 01, the driving assembly 31 drives the two brush assemblies 33 to be close to each other, when the distance between the brush assemblies 33 and the pole piece 01 is too close, the brush assemblies 33 scrape the pole piece 01, the driving assembly 31 drives the two brush assemblies 33 to be far away from each other, the distance between the brush assemblies 33 and the pole piece 01 can be flexibly controlled through the position sensor 4, the brush assembly is applicable to pole pieces 01 with more thickness and shape, particularly applicable to pole pieces 01 with wavy edges, the positions of the brush assemblies 33 are not required to be frequently debugged, the universality of a brush dust removing mechanism is improved, and the dust removing effect is better.

Referring back to fig. 1 and 2, in order to facilitate the installation of the position sensor 4, in this embodiment, a pair of supporting members 11 are disposed on the mounting plate 1, and the supporting members 11 are disposed parallel to the brush assembly 33; the position sensors 4 are respectively arranged at one end of the supporting piece 11 far away from the mounting plate 1.

The two position sensors 4 respectively sense the distance between the brush assemblies 33 on two sides of the pole piece 01 and the pole piece 01, so that the control device 5 can adjust the positions of the two brush assemblies 33 simultaneously or adjust the position of one brush assembly 33 independently according to the requirement, for example, the positions of the two brush assemblies 33 need to be adjusted simultaneously for the pole piece 01 with wavy edges, and if only the pole piece 01 with different thickness is wiped, the wiping can be completed by adjusting the position of one brush assembly 33 independently.

Referring back to fig. 3 and 4, in order to further fix the sliding component 32, the top of the mounting plate 1 is further provided with a fixing member 12, the fixing member 12 includes a fixing rod 121 and a fixing plate 122, one end of the fixing rod 121 is fixed on the mounting plate 1, the other end of the fixing rod 121 is fixedly connected with the fixing plate 122, the fixing plate 122 is T-shaped, and the vertical section of the fixing plate 122 extends into the dust cover 2. The two ends of the sliding component 32 are fixed on the dust cover 2, and the middle of the sliding component 32 is fixedly connected with the connecting piece on the fixed plate 122.

Further, the driving assembly 31 includes a driving member 311 and two driving members 312, the driving member 311 is fixed on the mounting plate 1, the two driving members 312 are coaxially disposed and connected at two opposite ends of the driving member 311, the driving end of the driving member 311 is connected with one end of the two driving members 312, the other ends of the two driving members 312 are respectively fixedly connected with the mounting plate 1, one end of the brush assembly 33, which is far away from the sliding assembly 32, is connected with the driving members 312, the driving member 311 drives the two driving members 312 to move, and the two driving members 312 further drive the two brush assemblies 33 to approach or separate from each other. Specifically, the transmission member 312 includes a screw 3121 and a fixed block 3122, the fixed block 3122 is disposed on the screw 3121, and an end of the brush assembly 33 remote from the sliding assembly 32 is specifically connected to the fixed block 3122.

The sliding assembly 32 comprises a rod 321 and two sliding pieces 322; the two ends of the rod body 321 are fixed in the dust cover 2, the two sliding parts 322 are both arranged on the rod body 321 in a sliding way, the two ends of the two rod bodies 321 are fixed on the dust cover 2, and the middle of the rod body 321 is fixedly connected with the connecting part on the fixing plate 122.

The brush assembly 33 includes a brush shaft 331 and a wiper 332, one end of the brush shaft 331 is slidably connected to the sliding assembly 32, and the other end, i.e., the end far from the sliding assembly 32, is connected to the driving assembly 31. Specifically, one end of the brush rotation shaft 331 is fixedly connected to the sliding member 322, and then the sliding member 322 is slidably connected to the rod 321, so that the brush rotation shaft 331 slides along the rod 321; the other end of the brush rotation shaft 331, i.e., the end far from the slider 322, is connected to the fixed block 3122. The wiping pieces 332 are distributed on the brush rotating shaft 331 and are used for wiping dust on the battery pole pieces. Preferably, both ends of the brush rotation shaft 331 are exposed. The exposed position of the brush rotating shaft 331 corresponds to the pole lug 011, since the guide grooves are arranged at the two ends of the brush rotating shaft 331 for protecting the pole lug 011 by the existing brush mechanism, and since the pole lug 011 is scratched again by the teflon abrasion of the protective coating on the guide grooves in the long-term use process, the guide grooves are deleted and the two ends of the brush rotating shaft 331 are exposed, the exposed position of the brush rotating shaft 331 corresponds to the pole lug 011, and since the exposed position of the brush rotating shaft 331 is farther away from the pole piece 01 than the wiping piece 332, the exposed position is already perceived by the position sensor 4 when the wiping piece 332 contacts the pole piece 01, the driving component 31 does not drive the brush rotating shaft 331 to be close to each other, and the pole lug 011 is not scratched by the brush rotating shaft 331.

The wiper 332 is made of nylon or sisal, preferably nylon, so that dust on the surface of the pole piece 01 is not easy to remove if the wiper 332 is too soft, the pole piece 01 is easily scratched if the wiper is too hard, and the nylon has good flexibility and resilience, so that the surface of an object is not damaged due to abrasion resistance.

During operation, pole pieces 01 with different thicknesses and shapes enter the dust cover 2 from a gap in the middle of the dust cover 2, position sensors 4 on two sides of the pole pieces 01 sense the distance between the pole pieces 01 and the brush assemblies 33 and transmit distance signals to the control device 5, and the control device 5 controls the driving piece 311 to drive the two driving pieces 312 to move according to the distance signals so as to drive the two brush assemblies 33 to move.

Specifically, when the distance between the pole piece 01 and the brush assembly 33 is too large, the control device 5 controls the driving member 311 to drive the two screws 3121 to move according to the distance signal, the two screws 3121 are provided with threads with opposite directions, the two fixing blocks 3122 are respectively fixed on the two screws 3121, the two fixing blocks 3122 are mutually close to each other along with the movement of the screws 3121, the two fixing blocks 3122 are respectively fixedly connected with one ends of the two brush rotating shafts 331, the other ends of the two brush rotating shafts 331 are connected with the sliding member 322, and the sliding member 322 is slidably arranged on the rod body 321. Therefore, as the screw 3121 moves, the two fixing blocks 3122 can drive the two brush rotating shafts 331 to approach each other until the position sensor 4 senses that the distance between the pole piece 01 and the brush rotating shaft 331 is suitable, and the control device 5 controls the driving member 311 to stop working;

similarly, when the distance between the pole piece 01 and the brush assembly 33 is too small, the control device 5 controls the driving piece 311 to drive the two screws 3121 to move according to the distance signal, and as the screws 3121 move, the two fixing blocks 3122 can drive the two brush rotating shafts 331 to move away from each other until the position sensor 4 senses that the distance between the pole piece 01 and the brush rotating shaft 331 is suitable, and the control device 5 controls the driving piece 311 to stop working.

In another embodiment of the present utility model, the dust removing mechanism for a lithium battery pole piece further includes a collecting component, where the collecting component is disposed below the dust removing portion 3 and is used for collecting dust scraped by the dust removing portion 3.

Specifically, the collecting assembly includes a funnel portion disposed below the brush assembly 33 and open toward the brush assembly 33, and a tubular portion connected to the funnel portion for guiding out dust collected by the funnel portion.

In another embodiment of the utility model, a lithium battery production device is provided, which comprises the lithium battery pole piece dust removing mechanism.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a lithium cell pole piece dust removal mechanism which characterized in that includes:

a mounting plate (1);

a dust cover (2) fixed on the mounting plate (1);

the dust removing part (3) comprises a driving assembly (31), a sliding assembly (32) and two hairbrush assemblies (33) which are arranged at intervals, wherein the driving assembly (31) is fixed on the mounting plate (1), the sliding assembly (32) and the two hairbrush assemblies (33) are arranged in the dust cover (2), one ends of the two hairbrush assemblies (33) are in sliding connection with the sliding assembly (32), one end, away from the sliding assembly (32), of the hairbrush assemblies (33) is connected with the driving assembly (31), and the driving assembly (31) drives the two hairbrush assemblies (33) to be close to or far away from each other;

a position sensor (4) adjacent to the dust removing part (3) and fixed on the mounting plate (1) or the dust cover (2); a kind of electronic device with high-pressure air-conditioning system

And a control device (5) electrically connected to the dust removing unit (3) and the position sensor (4).

2. The lithium battery pole piece dust removal mechanism according to claim 1, wherein the brush assembly (33) comprises a brush rotating shaft (331) and a wiper (332), one end of the brush rotating shaft (331) is slidably connected with the sliding assembly (32), one end of the brush rotating shaft (331) away from the sliding assembly (32) is connected with the driving assembly (31), and the wiper (332) is distributed on the brush rotating shaft (331).

3. The lithium battery pole piece dust removal mechanism according to claim 2, wherein two ends of the brush rotating shaft (331) are exposed.

4. The lithium battery pole piece dust removal mechanism according to claim 2, characterized in that the sliding assembly (32) comprises a rod body (321) and two sliding pieces (322); the two ends of the rod body (321) are fixed in the dust cover (2), the two sliding parts (322) are both arranged on the rod body (321) in a sliding mode, and one ends of the two brush rotating shafts (331) are respectively connected to one sliding part (322) in a rotating mode.

5. The lithium battery pole piece dust removal mechanism according to claim 4, wherein the driving assembly (31) comprises a driving piece (311) and two transmission pieces (312), the driving piece (311) is fixed on the mounting plate (1), the two transmission pieces (312) are coaxially arranged and respectively connected to two opposite ends of the driving piece (311), the driving end of the driving piece (311) is connected with one end of the two transmission pieces (312), the other ends of the two transmission pieces (312) are respectively fixedly connected with the mounting plate (1), one end, away from the sliding piece (322), of the brush rotating shaft (331) is connected with the transmission pieces (312), and the driving piece (311) drives the two transmission pieces (312) to move, and the two transmission pieces (312) further drive the two brush assemblies (33) to be close to or far away from each other.

6. The lithium battery pole piece dust removing mechanism according to claim 5, wherein the transmission member (312) comprises a screw (3121) and a fixed block (3122), the fixed block (3122) is arranged on the screw (3121), and one end of the brush rotating shaft (331) away from the sliding member (322) is connected with the fixed block (3122).

7. The lithium battery pole piece dust removing mechanism according to claim 1, further comprising a collecting assembly arranged below the dust removing part (3) for collecting dust scraped off by the dust removing part (3).

8. The lithium battery pole-piece dust removal mechanism according to claim 7, characterized in that the collection assembly comprises a funnel portion arranged below the brush assembly (33) and opening upwards, and a tubular portion communicating with the funnel portion for guiding out dust collected by the funnel portion.

9. The dust removing mechanism for the lithium battery pole piece according to claim 1, wherein the dust cover (2) is made of a transparent acrylic plate or a plastic plate.

10. A lithium battery production apparatus, characterized by comprising the lithium battery pole piece dust removing mechanism as claimed in any one of claims 1 to 9.