CN219832700U - Rolling device for battery pole piece - Google Patents
Rolling device for battery pole piece Download PDFInfo
- Publication number
- CN219832700U CN219832700U CN202320315508.5U CN202320315508U CN219832700U CN 219832700 U CN219832700 U CN 219832700U CN 202320315508 U CN202320315508 U CN 202320315508U CN 219832700 U CN219832700 U CN 219832700U
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- Prior art keywords
- pole piece
- roller
- rough
- rollers
- cleaning
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- 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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- 238000005096 rolling process Methods 0.000 title claims abstract description 41
- 230000033001 locomotion Effects 0.000 claims abstract description 45
- 238000004140 cleaning Methods 0.000 claims description 74
- 239000000428 dust Substances 0.000 claims description 55
- 238000007664 blowing Methods 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 18
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 15
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000003746 surface roughness Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to the technical field of battery manufacturing, in particular to a battery pole piece rolling device which comprises two pressure rollers and two rough rollers. The two pressure rollers are oppositely arranged to roll the pole piece so that the pole piece reaches a preset thickness. According to the motion direction of the pole piece, two rough rollers are positioned at the downstream of the two pressure rollers, and the two rough rollers are oppositely arranged to roll the pole piece so as to improve the roughness of the pole piece, and the motion speed of each rough roller at the position where the rough rollers contact the pole piece is different from that of the pole piece. Through setting up the rough roller in the low reaches of pressure roller, and the motion speed of rough roller contact pole piece department is different with the motion speed of pole piece, can be through the frictional force of rough roller to the pole piece, release the tension distribution on pole piece surface, improve pole piece brittleness, effectively alleviate pole piece area phenomenon, the surface roughness of pole piece also can increase moreover to can reduce the transmission impedance of lithium ion, improve the multiplying power, the performance such as power of lithium ion battery.
Description
Technical Field
The utility model relates to the technical field of battery manufacturing, in particular to a battery pole piece rolling device.
Background
In the manufacturing process of the lithium battery pole piece, the manufacturing process comprises the working procedures of slurry mixing, coating, rolling, slitting, die cutting and the like, wherein the rolling aims to enable active substances of the lithium battery and a foil to be combined with each other to be more solid and dense, the pole piece is extruded to a certain design thickness, and meanwhile, the smoothness of the surface of the lithium battery pole piece is ensured.
The lithium battery with high energy density needs to contain more lithium ions in a limited space, and the positive and negative electrode plates are used as carriers for lithium ion deintercalation and reception, one way of improving the energy density of the battery core is to improve the compaction density of the positive and negative electrode plates and make the positive and negative electrode plates thinner. However, the pole pieces have the following problems after being thinned: the surface of the pole piece can be smoother, the brittleness is enhanced, the pole piece is easy to break in the rolling process, and the pole piece processing is not facilitated; the contact between the pole piece surface material particles is too tight, so that the surface pores become small, the transmission of lithium ions is not facilitated, the transmission resistance of the lithium ions becomes large, the polarization is increased in the charge and discharge process, and the capacity exertion is not facilitated.
Accordingly, there is a need for a battery pole piece rolling device that addresses at least one of the above-described problems.
Disclosure of Invention
The utility model aims at: the battery pole piece rolling device is applied to manufacturing of lithium ion battery pole pieces, can improve the brittleness problem of the pole pieces, relieves the pole piece banding phenomenon, can increase the pores among pole piece surface material particles, reduces the lithium ion transmission impedance, and improves the multiplying power of the lithium ion battery.
To achieve the purpose, the utility model adopts the following technical scheme:
provided is a battery pole piece rolling device, comprising:
the two pressure rollers are oppositely arranged to roll the pole piece so as to enable the pole piece to reach a preset thickness;
the two rough rollers are positioned at the downstream of the two pressure rollers in the movement direction of the pole piece, and the two rough rollers are oppositely arranged to roll the pole piece so as to improve the roughness of the pole piece, and the movement speed of each rough roller contacted with the pole piece is different from that of the pole piece.
As a preferable scheme of the battery pole piece rolling device, the movement direction of each rough roller contacting the pole piece is opposite to the movement direction of the pole piece.
As a preferable scheme of the battery pole piece rolling device, the device further comprises a pole piece cleaning roller, wherein the pole piece cleaning roller is arranged at the downstream of the rough roller in the movement direction of the pole piece, and the pole piece cleaning roller is used for cleaning the pole piece.
As a preferred scheme of the battery pole piece rolling device, the pole piece cleaning roller comprises a first main body and a first cleaning brush, and the first cleaning brush is enclosed on the periphery of the first main body.
As a preferable scheme of the battery pole piece rolling device, the movement direction of the pole piece cleaning roller contacting the pole piece is opposite to the movement direction of the pole piece.
As a preferable scheme of the battery pole piece rolling device, the battery pole piece rolling device further comprises two roller cleaning rollers, wherein the two roller cleaning rollers are respectively positioned at two sides of the pole piece so as to respectively clean the two rough rollers.
As a preferable scheme of the battery pole piece rolling device, the roller cleaning roller comprises an upper roller cleaning roller and a lower roller cleaning roller, the rough roller comprises an upper rough roller and a lower rough roller, the contact position of the upper roller cleaning roller and the upper rough roller has relative movement, and the contact position of the lower roller cleaning roller and the lower rough roller has relative movement.
As a preferred scheme of battery pole piece roll-in device, still include dust removal case and dust catcher, dust collection pipe who is linked together has in the dust removal case and holds the chamber, rough roller with the pole piece cleans the roller and all is located hold the intracavity, the dust catcher is located in the dust collection pipe.
As a preferred scheme of battery pole piece roll-in device, still include a plurality of hair-dryer, still include a plurality of pipelines of blowing in the dust removal case, a plurality of the hair-dryer one-to-one sets up a plurality of in the pipeline of blowing, a plurality of the pipeline of blowing all with hold the chamber intercommunication.
As a preferable scheme of the battery pole piece rolling device, the pipe orifice of each blowing pipe is oriented to the pole piece, and the pipe orifice of each blowing pipe is oriented to the pipe orifice of the dust collection pipe, so that dust particles on the pole piece move towards the dust collection pipe.
The utility model has the beneficial effects that:
the utility model provides a battery pole piece rolling device which comprises two pressure rollers and two rough rollers. The two pressure rollers are oppositely arranged to roll the pole piece so that the pole piece reaches a preset thickness. According to the motion direction of the pole piece, two rough rollers are positioned at the downstream of the two pressure rollers, and the two rough rollers are oppositely arranged to roll the pole piece so as to improve the roughness of the pole piece, and the motion speed of each rough roller at the position where the rough rollers contact the pole piece is different from that of the pole piece. Through setting up the rough roller in the low reaches of pressure roller, and the motion speed of rough roller contact pole piece department is different with the motion speed of pole piece, has relative motion between the two promptly, can be through the frictional force of rough roller to the pole piece, release the tension distribution on pole piece surface, improve the pole piece friability, effectively alleviate pole piece area phenomenon, the surface roughness of pole piece also can increase moreover to can increase the hole between the pole piece surface material granule, reduce the transmission impedance of lithium ion, improve the multiplying power, performance such as lithium ion battery.
Drawings
Fig. 1 is a schematic diagram of a battery pole piece rolling device and a pole piece structure provided by an embodiment of the utility model.
In the figure:
1. a pressure roller; 2. a rough roller;
3. a pole piece cleaning roller; 31. a first body; 32. a first cleaning brush;
4. a roller cleaning roller; 41. a second body; 42. a second cleaning brush;
5. a dust removal box; 501. a dust collection pipeline; 502. a receiving chamber; 503. a blowing pipe;
6. a dust collector; 7. a blower; 8. a display screen;
100. pole pieces.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1, the battery pole piece rolling device of the present embodiment includes two pressure rollers 1 and two rough rollers 2. The two pressure rollers 1 are oppositely arranged to roll the pole piece 100 so as to enable the pole piece 100 to reach a preset thickness. According to the movement direction of the pole piece 100, two rough rollers 2 are positioned at the downstream of the two pressure rollers 1, and the two rough rollers 2 are oppositely arranged to roll the pole piece 100 so as to improve the roughness of the pole piece 100, and the movement speed of each rough roller 2 contacting the pole piece 100 is different from the movement speed of the pole piece 100.
In the present utility model, the motion speed of the pole piece 100 is the real-time motion speed of the pole piece 100, the rough roller 2 is in a rotating state, the motion speed of the rough roller 2 contacting the pole piece 100 is the real-time linear speed of the outer surface of the rough roller 2, and the difference between the two is the real-time linear speed, and the sliding friction between the two can be ensured no matter the directions are opposite or the relative speed is provided.
The surface of the pole piece 100 after being thinned by the pressure roller 1 is smoother, the brittleness is enhanced, and the pole piece 100 is easy to break in the rolling process, which is not beneficial to the processing of the pole piece 100. And the contact between the surface material particles of the pole piece 100 is too tight, so that the surface pores become smaller, the transmission of lithium ions is not facilitated, the transmission resistance of the lithium ions becomes larger, the polarization is increased in the charging and discharging process, and the capacity exertion is not facilitated. Moreover, the pole piece 100 after rolling and rolling has strong plasticity, and the pole piece 100 is easy to generate cambered surface bending phenomenon after die cutting.
However, the rough roller 2 is arranged at the downstream of the pressure roller 1, and the movement speed of the rough roller 2 contacting the pole piece 100 is different from the movement speed of the pole piece 100, namely, the rough roller 2 has relative movement, namely, the friction force of the rough roller 2 to the pole piece 100 can be used for releasing the tension distribution on the surface of the pole piece 100, improving the brittleness of the pole piece 100, effectively relieving the breakage phenomenon of the pole piece 100, and the surface roughness of the pole piece 100 can be increased, so that the pores among material particles on the surface of the pole piece 100 can be increased, the transmission resistance of lithium ions can be reduced, and the multiplying power, power and other performances of the lithium ion battery can be improved. Moreover, the pole piece 100 can be softened, the plasticity of the pole piece 100 is reduced, and the pole piece 100 is not easy to bend after being wound and unwound.
Preferably, the direction of movement where each roughing roller 2 contacts the pole piece 100 is opposite to the direction of movement of the pole piece 100. Preferably, in this embodiment, the axial direction of the rough roller 2 is perpendicular to the moving direction of the pole piece 100, and taking the case that the pole piece 100 moves rightward in fig. 1 as an example, the rough roller 2 above the pole piece 100 rotates clockwise, and the rough roller 2 below the pole piece 100 rotates counterclockwise, so that the moving direction of each rough roller 2 contacting the pole piece 100 is opposite to the moving direction of the pole piece 100.
Preferably, the battery pole piece rolling device further comprises a pole piece cleaning roller 3, the pole piece cleaning roller 3 is arranged at the downstream of the rough roller 2 according to the movement direction of the pole piece 100, and the pole piece cleaning roller 3 is used for cleaning the pole piece 100.
Preferably, the movement direction of the pole piece cleaning roller 3 contacting the pole piece 100 is opposite to the movement direction of the pole piece 100, so that dust particles can be prevented from entering the next process link along with the pole piece 100. Preferably, in this embodiment, the axial direction of the pole piece cleaning roller 3 is perpendicular to the moving direction of the pole piece 100, and taking the example that the pole piece 100 moves rightwards, the pole piece cleaning roller 3 above the pole piece 100 rotates clockwise, and the pole piece cleaning roller 3 below the pole piece 100 rotates anticlockwise, so that the moving direction of each pole piece cleaning roller 3 contacting the pole piece 100 is opposite to the moving direction of the pole piece 100.
Preferably, the pole piece cleaning roller 3 includes a first main body 31 and a first cleaning brush 32, the first cleaning brush 32 is disposed around the outer circumference of the first main body 31, and the first cleaning brush 32 is used for cleaning dust particles on the pole piece 100.
In addition, part of dust particles are adhered to the rough roller 2, and preferably, the battery pole piece rolling device further comprises two roller cleaning rollers 4, wherein the two roller cleaning rollers 4 are respectively positioned at two sides of the pole piece 100 so as to respectively clean the two rough rollers 2.
Preferably, the roller cleaning roller 4 includes an upper roller cleaning roller and a lower roller cleaning roller, the rough roller 2 includes an upper rough roller and a lower rough roller, the contact position of the upper roller cleaning roller and the upper rough roller has a relative motion to clean the upper rough roller, and the contact position of the lower roller cleaning roller and the lower rough roller has a relative motion to clean the lower rough roller.
Preferably, in this embodiment, the axial direction of the upper roller cleaning roller is parallel to the axial direction of the upper rough roller, and the rotation directions of the upper roller cleaning roller and the upper rough roller are the same, so that a relative motion can be formed at the contact position, thereby improving cleaning efficiency. The axial direction of the lower roller cleaning roller is parallel to the axial direction of the lower rough roller, the rotation directions of the lower roller cleaning roller and the lower rough roller are the same, and the lower roller cleaning roller and the lower rough roller can also form relative movement at the contact position, so that the cleaning efficiency is improved.
Preferably, the roller cleaning roller 4 includes a second main body 41 and a second cleaning brush 42, the second cleaning brush 42 is provided around the outer circumference of the second main body 41, and the second cleaning brush 42 is used for cleaning dust particles on the surface of the rough roller 2.
The distance between the axis of the pole piece cleaning roller 3 and the pole piece 100 can be adjusted according to different cleaning requirements, and the distance between the axis of the roller cleaning roller 4 and the surface of the rough roller 2.
In order to facilitate collection of dust particles and prevent dust pollution in the production environment, preferably, the battery pole piece rolling device further comprises a dust collection box 5 and a dust collector 6, wherein the dust collection box 5 is internally provided with a dust collection pipeline 501 and a containing cavity 502 which are communicated, the rough roller 2 and the pole piece sweeping roller 3 are both positioned in the containing cavity 502, and the dust collector 6 is positioned in the dust collection pipeline 501 so as to collect dust particles into the dust collection pipeline 501 for filtration and collection in a downstream pipeline of the dust collection pipeline 501.
In order to enable dust particles generated on the upper surface and the lower surface of the pole piece 100 to be collected in the dust collection pipeline 501, preferably, two dust collectors 6 and two dust collection pipelines 501 are arranged in a one-to-one correspondence manner, and the two dust collectors 6 are respectively located above and below the pole piece 100 and in the middle of the dust removal box 5.
In order to reduce the working resistance of the dust collector 6, preferably, the battery pole piece rolling device further comprises a plurality of blowers 7, the dust collection box 5 further comprises a plurality of blowing pipelines 503, the blowers 7 are arranged in the plurality of blowing pipelines 503 in a one-to-one correspondence manner, and the plurality of blowing pipelines 503 are communicated with the accommodating cavity 502 so as to blow air into the accommodating cavity 502, so that the working resistance of the dust collector 6 can be reduced on one hand, and dust particles can be driven by air flow on the other hand, so that the dust particles can enter the dust collection pipeline 501 more easily.
Preferably, the nozzle of each blowing duct 503 faces the pole piece 100, and the nozzle of each blowing duct 503 faces the nozzle of the dust collection duct 501, so that dust particles on the pole piece 100 move toward the dust collection duct 501. Further preferably, in the present embodiment, four blowing pipes 503 are provided, two first blowing pipes are provided upstream of the roughing roller 2, and two second blowing pipes are provided downstream of the pole piece cleaning roller 3.
Preferably, a first air blowing duct is disposed above the pole piece 100, and the air blowing direction forms an acute angle a with the moving direction of the pole piece 100, a is 45 °, and when the pole piece 100 moves rightward, the air flow direction blown out by the first air blowing duct is directed rightward and downward. The other first air blowing pipeline is arranged below the pole piece 100, the air blowing direction and the moving direction of the pole piece 100 are also in an acute angle a, a is 45 degrees, and when the pole piece 100 moves rightwards, the air flow direction blown out by the first air blowing pipeline is directed upwards right. The two first air blowing pipes are arranged to blow up dust particles accumulated on the pole piece 100 upstream of the roughing roller 2.
Preferably, a second air blowing duct is disposed above the pole piece 100, and the air blowing direction forms an acute angle a with the moving direction of the pole piece 100, a is 45 °, and when the pole piece 100 moves rightward, the air flow direction blown out by the second air blowing duct is directed leftward and downward. The other second air blowing pipeline is arranged below the pole piece 100, the air blowing direction and the moving direction of the pole piece 100 are also in an acute angle a, a is 45 degrees, and when the pole piece 100 moves rightwards, the air flow direction blown out by the second air blowing pipeline is directed leftwards and upwards. The two second blowing pipelines are arranged to blow up dust particles on the pole piece 100 at the downstream position of the pole piece cleaning roller 3.
Preferably, the battery pole piece rolling device further comprises a display screen 8, and a worker can set the distance between the two pressure rollers 1 on the display screen 8 to adjust the rolling thickness of the pole piece 100. The staff can also set up the distance between two rough rollers 2 and the pressure to the pole piece 100 on the display screen 8, and when the roughness of rough roller 2 is certain, the magnitude of the friction force of rough roller 2 to the pole piece 100 can be adjusted to make the improvement effect to the brittleness and roughness of pole piece 100 best.
Preferably, the battery pole piece rolling device further comprises an unreeling roller and a reeling roller, wherein the unreeling roller is positioned at the upstream of the pressure roller 1, the pole roll is arranged on the unreeling roller, and the reeling roller is positioned at the downstream of the pole piece cleaning roller 3 so as to reel the pole piece 100. Preferably, the battery pole piece rolling device further includes a transfer roller and a tension roller to transfer the pole piece 100.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The battery pole piece roll-in device, its characterized in that includes:
the two pressure rollers (1) are oppositely arranged, and the pole piece (100) is rolled so that the pole piece (100) reaches a preset thickness;
two rough rollers (2), in the direction of motion of the pole piece (100), two rough rollers (2) are located at the downstream of two pressure rollers (1), and two rough rollers (2) are oppositely arranged to roll the pole piece (100) so as to improve the roughness of the pole piece (100), and the motion speed of the position, where each rough roller (2) contacts the pole piece (100), is different from the motion speed of the pole piece (100).
2. The battery pole piece rolling device according to claim 1, characterized in that the direction of movement of each of the rough rolls (2) contacting the pole piece (100) is opposite to the direction of movement of the pole piece (100).
3. The battery pole piece rolling device according to claim 1, further comprising a pole piece cleaning roller (3), the pole piece cleaning roller (3) being disposed downstream of the rough roller (2) in a moving direction of the pole piece (100), the pole piece cleaning roller (3) being for cleaning the pole piece (100).
4. A battery pole piece rolling device according to claim 3, characterized in that the pole piece cleaning roller (3) comprises a first main body (31) and a first cleaning brush (32), wherein the first cleaning brush (32) is arranged around the periphery of the first main body (31).
5. A battery pole piece rolling device according to claim 3, characterized in that the direction of movement of the pole piece cleaning roller (3) where it contacts the pole piece (100) is opposite to the direction of movement of the pole piece (100).
6. The battery pole piece rolling device according to claim 1, further comprising two roller cleaning rollers (4), wherein the two roller cleaning rollers (4) are respectively located at both sides of the pole piece (100) to clean the two rough rollers (2) respectively.
7. The battery pole piece rolling device according to claim 6, wherein the roller cleaning roller (4) comprises an upper roller cleaning roller and a lower roller cleaning roller, the rough roller (2) comprises an upper rough roller and a lower rough roller, the contact position of the upper roller cleaning roller and the upper rough roller has relative movement, and the contact position of the lower roller cleaning roller and the lower rough roller has relative movement.
8. A battery pole piece rolling device according to claim 3, further comprising a dust removal box (5) and a dust collector (6), wherein a dust collection pipeline (501) and a containing cavity (502) which are communicated are arranged in the dust removal box (5), the rough roller (2) and the pole piece cleaning roller (3) are both arranged in the containing cavity (502), and the dust collector (6) is arranged in the dust collection pipeline (501).
9. The battery pole piece rolling device according to claim 8, further comprising a plurality of blowers (7), wherein the dust removal box (5) further comprises a plurality of blowing pipelines (503), the blowers (7) are arranged in the blowing pipelines (503) in a one-to-one correspondence manner, and the blowing pipelines (503) are communicated with the accommodating cavity (502).
10. The battery pole piece rolling device according to claim 9, wherein the nozzle of each blowing duct (503) is directed towards the pole piece (100), and the nozzle of each blowing duct (503) is directed towards the nozzle of the dust collection duct (501) so that dust particles on the pole piece (100) move towards the dust collection duct (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320315508.5U CN219832700U (en) | 2023-02-23 | 2023-02-23 | Rolling device for battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320315508.5U CN219832700U (en) | 2023-02-23 | 2023-02-23 | Rolling device for battery pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832700U true CN219832700U (en) | 2023-10-13 |
Family
ID=88284663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320315508.5U Active CN219832700U (en) | 2023-02-23 | 2023-02-23 | Rolling device for battery pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832700U (en) |
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2023
- 2023-02-23 CN CN202320315508.5U patent/CN219832700U/en active Active
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