CN219335220U - Dust collector of graphite electrode slice - Google Patents
Dust collector of graphite electrode slice Download PDFInfo
- Publication number
- CN219335220U CN219335220U CN202320331581.1U CN202320331581U CN219335220U CN 219335220 U CN219335220 U CN 219335220U CN 202320331581 U CN202320331581 U CN 202320331581U CN 219335220 U CN219335220 U CN 219335220U
- Authority
- CN
- China
- Prior art keywords
- roller
- dust removing
- electrode sheet
- dust
- adhesive tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 title claims abstract description 181
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 18
- 239000010439 graphite Substances 0.000 title claims abstract description 18
- 239000002390 adhesive tape Substances 0.000 claims abstract description 60
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 8
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 22
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Cleaning In General (AREA)
Abstract
The utility model discloses a dust removing device of a graphite electrode slice, which comprises an electrode slice unreeling roller, an electrode slice reeling roller and a dust removing component positioned between the electrode slice unreeling roller and the electrode slice reeling roller; the dust removing assembly comprises a dust removing roller, an adhesive tape unreeling roller and an adhesive tape reeling roller, wherein an adhesive layer and/or an electrostatic adsorption layer is arranged on the outer circumferential surface of the dust removing roller, one side of the dust removing roller is tangent with an electrode sheet between the electrode sheet unreeling roller and the electrode sheet reeling roller, and the other side of the dust removing roller is tangent with the adhesive tape between the adhesive tape unreeling roller and the adhesive tape reeling roller. The dust collector can continuously remove dust particles on the electrode plate, has better dust removing effect, and can also prevent the electrode plate from being polluted by secondary pollution caused by falling of the dust particles.
Description
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to a dust removal device for a graphite electrode plate.
Background
In the design of lithium battery production, in order to pursue higher energy density and higher output power, the thickness of separator paper used in the battery is generally designed to be thin, for example, 9 μm; if dust particles (such as graphite powder) exist on the electrode sheet, and the diameter of the dust particles is close to the thickness of the separator paper, the dust particles easily pierce the separator paper, so that the battery is short-circuited, and even the battery is ignited and exploded. Therefore, in the production of lithium batteries, dust particles on the surface of the electrode sheet need to be removed.
However, in the actual production process of the lithium battery, nylon brushes are mostly used for cleaning dust particles on the electrode plate, and as the dust particles are mostly graphite powder, and graphite is in a layered structure, and the layers are in weak interaction, the graphite layers are easy to slide, when a certain amount of graphite powder is adhered on the nylon brushes, the dust removing capability is lost, and the dust particles on the surface of the electrode plate cannot be completely removed, so that continuous dust removal cannot be realized; and, the graphite powder adhered on the nylon brush is easy to drop on the electrode plate, and secondary pollution is caused to the electrode plate.
Disclosure of Invention
In view of the above, the present utility model discloses a dust removing device for a graphite electrode sheet, so as to overcome or at least partially solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a dust removing device of a graphite electrode slice, which comprises an electrode slice unreeling roller, an electrode slice reeling roller and a dust removing assembly positioned between the electrode slice unreeling roller and the electrode slice reeling roller;
the dust removing assembly comprises a dust removing roller, an adhesive tape unreeling roller and an adhesive tape winding roller, wherein an adhesive layer and/or an electrostatic adsorption layer is arranged on the outer circumferential surface of the dust removing roller, one side of the dust removing roller is tangent to an electrode sheet between the electrode sheet unreeling roller and the electrode sheet winding roller, and the other side of the dust removing roller is tangent to an adhesive tape between the adhesive tape unreeling roller and the adhesive tape winding roller.
Further, the dust removal assembly further comprises a pinch roller;
the pinch roller with the dust removing roller is adjacent to be set up, the sticky tape passes the pinch roller with between the dust removing roller, the pinch roller is used for making the sticky tape with the dust removing roller hugs closely.
Further, the adhesive tape is a single-sided adhesive tape, and the adhesive surface of the single-sided adhesive tape faces the dust removing roller.
Further, the number of the dust removing assemblies is two, the two dust removing assemblies are respectively positioned on the upper side and the lower side of the electrode plate, one dust removing roller is tangent to the upper side face of the electrode plate, and the other dust removing roller is tangent to the lower side face of the electrode plate.
Further, the two dust removing rollers are adjacently arranged, and the electrode sheet passes through the space between the two dust removing rollers.
Further, the device also comprises a guide roller;
the guide roller is arranged between the electrode sheet unreeling roller and the electrode sheet winding roller and used for guiding movement of the electrode sheet.
Further, the dust cover is also included;
the dust cover is covered on the outer sides of the electrode sheet unreeling roller, the electrode sheet winding roller and the dust removing component, and a positive pressure environment is kept in the dust cover.
The utility model has the advantages and beneficial effects that:
in the dust removing device, the dust removing roller which is contacted with the electrode plate is arranged, the adhesive layer and/or the electrostatic adsorption layer is arranged on the outer circumferential surface of the dust removing roller, so that the dust removing roller can remove dust particles on the electrode plate in an adhesive and/or adsorption mode, and the adhesive tape is arranged on one side of the dust removing roller and is contacted with the dust removing roller, so that the adhesive and/or adsorption dust particles on the dust removing roller can be removed by the adhesive tape, the surface, which is to be contacted with the electrode plate, of the dust removing roller is kept clean, and the dust removing effect is better; the dust collector not only can realize continuous dust collection, but also can prevent dust particles on the dust collection roller from falling onto the electrode plate, thereby causing secondary pollution of the electrode plate.
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 utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic structural diagram of a dust removing device for a graphite electrode sheet according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a dust removing device for graphite electrode sheets according to another embodiment of the present utility model.
In the figure: 1. an electrode sheet unreeling roller; 2. an electrode plate winding roller; 3. a dust removal roller; 4. an adhesive tape unreeling roller; 5. a tape wind-up roll; 6. an electrode sheet; 7. an adhesive tape; 8. a pinch roller; 9. and a guide roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.
In one embodiment of the utility model, as shown in fig. 1, the dust removing device for the graphite electrode slice comprises an electrode slice unreeling roller 1, an electrode slice reeling roller 2 and a dust removing component, wherein the electrode slice unreeling roller 1 is used for unreeling an electrode slice 6, the electrode slice reeling roller 2 is used for reeling the electrode slice 6, and the electrode slice unreeling roller 1 and the electrode slice reeling roller 2 are arranged at a preset distance; and, electrode piece wind-up roll 2 is connected with the drive source (not shown in the figure) transmission, drives electrode piece wind-up roll 2 rotation through the drive source, and then realizes that electrode piece 6 is by electrode piece unreeling roll 1 to electrode piece wind-up roll 2 removal. Wherein the drive source may be a motor.
Further, the dust removing component is arranged between the electrode sheet unreeling roller 1 and the electrode sheet reeling roller 2; specifically, the dust removing assembly comprises a dust removing roller 3, an adhesive tape unreeling roller 4 and an adhesive tape reeling roller 5, wherein the adhesive tape unreeling roller 4 is used for unreeling the adhesive tape 7, the adhesive tape reeling roller 5 is used for reeling the adhesive tape 7, and the adhesive tape unreeling roller 4 and the adhesive tape reeling roller 5 are arranged at a preset distance; and, the adhesive tape winding roller 5 is in transmission connection with a driving source (not shown in the figure), and the adhesive tape winding roller 5 is driven to rotate by the driving source, so that the adhesive tape 7 moves from the adhesive tape unreeling roller 4 to the adhesive tape winding roller 5. The electrode sheet winding roller and the adhesive tape winding roller can share the same driving source, or can use different driving sources respectively.
In addition, an adhesive layer and/or an electrostatic adsorption layer are arranged on the outer circumferential surface of the dust removing roller 3, one side of the dust removing roller 3 is tangent to the electrode sheet 6 between the electrode sheet unreeling roller 1 and the electrode sheet winding roller 2, so that the outer circumferential surface of the dust removing roller 3 is in contact with the electrode sheet 6, the electrode sheet 6 can drive the dust removing roller 3 to rotate when moving, and at the moment, the dust removing roller 3 removes dust particles on the surface of the electrode sheet 6 through adhesion and/or electrostatic adsorption, so that the surface of the electrode sheet 6 is clean; the other side of the dust removing roller 3 is tangent to the adhesive tape 7 between the adhesive tape unreeling roller 4 and the adhesive tape winding roller 5, so that the adhesive tape 7 is in contact with the outer circumferential surface of the dust removing roller 3, dust particles on the outer circumferential surface of the dust removing roller 3 are stuck through the adhesive tape 7, the surface, which is to be in contact with the electrode plate 6, on the dust removing roller 3 is kept clean, the condition that the dust removing roller 3 loses dust removing capability due to sticking and/or excessive dust particles adsorption is prevented, and meanwhile, the dust particles on the dust removing roller 3 can be prevented from falling onto the electrode plate 6, so that secondary pollution of the electrode plate 6 is caused; the dust removing roller 3 is always contacted with the clean adhesive tape 7 through the arrangement of the adhesive tape unreeling roller 4 and the adhesive tape winding roller 5, so that dust particles on the outer circumferential surface of the dust removing roller 3 are stuck away by the adhesive tape 7 as much as possible. The adhesive on the dust removing roller is low, and the adhesive on the adhesive tape is high. In other embodiments, the dust removing roller may also be in transmission connection with the driving source, so as to drive the dust removing roller to rotate.
The dust removal principle of the dust removal device is as follows: when the electrode sheet 6 moves from the electrode sheet unreeling roller 1 to the electrode sheet winding roller 2, and the electrode sheet 6 contacts with the dust removing roller 3, dust particles on the surface of the electrode sheet 6 are sticky and/or adsorbed on the outer circumferential surface of the dust removing roller 3, the dust particles on the dust removing roller 3 are removed by the sticky of the adhesive tape 7 due to the fact that the dust removing roller 3 rotates, the adhesive tape 7 with the dust particles is wound on the adhesive tape winding roller 5, and the clean dust removing roller 3 contacts with the electrode sheet 6 again, so that continuous dust removal is realized.
In summary, in the dust removing device of the embodiment, by arranging the dust removing roller in contact with the electrode plate, and arranging the adhesive layer and/or the electrostatic adsorption layer on the outer circumferential surface of the dust removing roller, the dust removing roller can remove dust particles on the electrode plate in an adhesive and/or adsorption manner, and by arranging the adhesive tape on one side of the dust removing roller and contacting the adhesive tape with the dust removing roller, the adhesive tape can remove the adhesive and/or the adsorption dust particles on the dust removing roller, so that the surface, to be contacted with the electrode plate, on the dust removing roller is kept clean, and the dust removing effect is better; the dust collector not only can realize continuous dust collection, but also can prevent dust particles on the dust collection roller from falling onto the electrode plate, thereby causing secondary pollution of the electrode plate.
In this embodiment, as shown in fig. 1, the dust removal assembly further comprises a pinch roller 8.
Specifically, the pinch roller 8 is disposed adjacent to the dust removing roller 3, the adhesive tape 7 passes between the pinch roller 8 and the dust removing roller 3, and the pinch roller 8 is used for making the adhesive tape 7 closely adhere to the dust removing roller 3, so that the adhesive tape 7 can effectively adhere to dust particles on the outer circumferential surface of the dust removing roller 3. The adhesive tape is a single-sided adhesive tape, and the adhesive surface of the single-sided adhesive tape faces the dust removing roller, so that the adhesion between the adhesive tapes and between the adhesive tape and the pressing roller can not occur, and the dust removing device can work smoothly.
And the dust removing device further comprises a guide roller 9.
Specifically, a guide roller 9 is provided between the electrode sheet unreeling roller 1 and the electrode sheet reeling roller 2 for movement guiding of the electrode sheet 6. Wherein the number and position of the guide rollers may be more in need of adjustment.
In addition, the dust removing device further comprises a dust cover (not shown in the drawings).
The dust cover covers the outsides of the electrode slice unreeling roller, the electrode slice winding roller and the dust removing component, and the positive pressure environment is kept in the dust cover, so that dust particles in the surrounding environment can not enter the dust cover, and the electrode slice is prevented from being polluted.
In another embodiment of the present utility model, as shown in fig. 2, the number of the dust removing assemblies is two, and the two dust removing assemblies are respectively located on the upper side and the lower side of the electrode sheet 6, that is, the dust removing device is provided with two dust removing rollers 3, wherein one dust removing roller 3 is tangential to the upper side surface of the electrode sheet 6, and the other dust removing roller 3 is tangential to the lower side surface of the electrode sheet 6, so that dust particles on the upper surface and the lower surface of the electrode sheet 6 can be removed simultaneously through the dust removing device.
In addition, two dust removing rollers 3 are adjacently arranged, and an electrode sheet 6 passes through between the two dust removing rollers 3; when the electrode sheet 6 passes through between the two dust removing rollers 3, the two dust removing rollers 3 can extrude the electrode sheet 6, so that dust particles on the electrode sheet 6 are completely stuck and/or adsorbed on the dust removing rollers 3, and the dust removing effect of the dust removing device can be enhanced.
Of course, in other embodiments of the present utility model, in order to further improve the dust removing capability of the dust removing device, a plurality of dust removing components may be disposed, and the plurality of dust removing components are disposed on the upper and lower sides of the electrode plate, respectively, and are also within the protection scope of the present embodiment.
The foregoing is merely a specific embodiment of the utility model and other modifications and variations can be made by those skilled in the art in light of the above teachings. It is to be understood by persons skilled in the art that the foregoing detailed description is provided for the purpose of illustrating the utility model more fully, and that the scope of the utility model is defined by the appended claims.
Claims (7)
1. The dust removing device for the graphite electrode slice is characterized by comprising an electrode slice unreeling roller, an electrode slice reeling roller and a dust removing component positioned between the electrode slice unreeling roller and the electrode slice reeling roller;
the dust removing assembly comprises a dust removing roller, an adhesive tape unreeling roller and an adhesive tape winding roller, wherein an adhesive layer and/or an electrostatic adsorption layer is arranged on the outer circumferential surface of the dust removing roller, one side of the dust removing roller is tangent to an electrode sheet between the electrode sheet unreeling roller and the electrode sheet winding roller, and the other side of the dust removing roller is tangent to an adhesive tape between the adhesive tape unreeling roller and the adhesive tape winding roller.
2. The dust removal device of a graphite electrode sheet of claim 1, wherein the dust removal assembly further comprises a pinch roller;
the pinch roller with the dust removing roller is adjacent to be set up, the sticky tape passes the pinch roller with between the dust removing roller, the pinch roller is used for making the sticky tape with the dust removing roller hugs closely.
3. The dust removing device of a graphite electrode sheet according to claim 2, wherein the tape is a single-sided tape, and a tape surface of the single-sided tape faces the dust removing roller.
4. The dust removing device for the graphite electrode sheet according to claim 1, wherein the number of the dust removing assemblies is two, the two dust removing assemblies are respectively positioned on the upper side and the lower side of the electrode sheet, one dust removing roller is tangential to the upper side surface of the electrode sheet, and the other dust removing roller is tangential to the lower side surface of the electrode sheet.
5. The dust removing device of a graphite electrode sheet according to claim 4, wherein two of the dust removing rollers are disposed adjacently, and the electrode sheet passes between the two dust removing rollers.
6. The dust removing device for a graphite electrode sheet according to claim 1, further comprising a guide roller;
the guide roller is arranged between the electrode sheet unreeling roller and the electrode sheet winding roller and used for guiding movement of the electrode sheet.
7. The dust removing device of a graphite electrode sheet according to any one of claims 1 to 6, further comprising a dust cover;
the dust cover is covered on the outer sides of the electrode sheet unreeling roller, the electrode sheet winding roller and the dust removing component, and a positive pressure environment is kept in the dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320331581.1U CN219335220U (en) | 2023-02-20 | 2023-02-20 | Dust collector of graphite electrode slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320331581.1U CN219335220U (en) | 2023-02-20 | 2023-02-20 | Dust collector of graphite electrode slice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219335220U true CN219335220U (en) | 2023-07-14 |
Family
ID=87111734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320331581.1U Active CN219335220U (en) | 2023-02-20 | 2023-02-20 | Dust collector of graphite electrode slice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219335220U (en) |
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2023
- 2023-02-20 CN CN202320331581.1U patent/CN219335220U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 601, Building B, Hanyu Innovation Industry Building, No. 7 Guansheng Fourth Road, Gaoxin Park, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province, 518110 Patentee after: Shenzhen Xinjie Energy Technology Co.,Ltd. Address before: Room 601, Building B, Hanyu Innovation Industry Building, No. 7 Guansheng Fourth Road, Gaoxin Park, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province, 518110 Patentee before: Shenzhen Xinshijie Technology Co.,Ltd. |