CN206022538U - A kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece - Google Patents
A kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece Download PDFInfo
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- CN206022538U CN206022538U CN201621005428.6U CN201621005428U CN206022538U CN 206022538 U CN206022538 U CN 206022538U CN 201621005428 U CN201621005428 U CN 201621005428U CN 206022538 U CN206022538 U CN 206022538U
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- roll
- pole piece
- boss
- paper tinsel
- bar
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
This utility model discloses a kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece, including the roll shaft for carrying out roll-in to the coat side of pole piece and the outer surface for being circumferentially positioned at the roll shaft, is used for a plurality of boss for compressing each bar sky paper tinsel face on the pole piece in roll-in.The lithium battery disclosed in the utility model anti-roll-in corrugation device of zebra coating pole piece, when roll shaft rotates, each bar boss also synchronous rotary, and each bar boss is corresponding with each bar sky paper tinsel face, therefore roll shaft is while roll-in coat side, boss also will be tight for empty paper tinsel face pressure, certain tension force is formed to the surface in empty paper tinsel face just so, the presence of the external tension supplements the difference of the tension force between pole piece overhead paper tinsel face and coat side, so that the tension force between pole piece overhead paper tinsel face and coat side is closely, in roll shaft roll-in, the corrugated problem in the empty paper tinsel face that causes due to tension force deficiency can be avoided.Compared to prior art, this utility model reduces production cost, improves production efficiency.
Description
Technical field
This utility model is related to photovoltaic cell component manufacturing technology field, and more particularly to a kind of lithium battery is applied with zebra
The anti-roll-in corrugation device of cloth pole piece.
Background technology
With the development of new-energy automobile, lithium ion battery becomes one of energy that new forms of energy car owner wants, and obtains
Greatly develop.As new-energy automobile has very big difference to the performance requirement of lithium ion battery with consumer battery, therefore use
There are this qualitative difference, most commonly seen power lithium in product design with consumer battery in the electrokinetic cell of new-energy automobile
Ion battery adopts laminar.
Only it is that the lithium ion battery of laminar cannot meet the large batch of demand of new-energy automobile, then develops
Multi pole ears, full extreme ear structure lithium ion battery, which possesses the performance characteristics of lamination, has the advantages that high efficiency winds again, very
Obtain accreditation in the industry soon, but in order to improve the efficiency when structure is coated with, need to be coated with using zebra, as shown in figure 1, should
The pole piece of structure is coated with a plurality of coating on a block length bar, forms a plurality of coat side 1, and each bar coat side 1 is apart from one another by middle
For not having cated empty paper tinsel face 2.As coat side 1 is generally black, and empty paper tinsel face 2 is generally silvery white, has been thusly-formed speckle
Horse striped.
But, although pole coating efficiency can be improved using the pole piece of zebra applying structure, but due to zebra coating
Empty paper tinsel face differ larger with tension force, intensity at coat side, cause pole piece enter pressure roll shaft when start to wrinkle, corrugated pole piece
Can be more serious after roll-in enters rewinding spool.With being carried out continuously for roll-in, pole piece tension force is eventually resulted in serious not
Balance, pole piece seriously wrinkles, pole piece rupture cannot carry out mass production.
In the prior art, the pole piece roll-in corrugation problem of zebra applying structure to be solved, can only in advance will before roll-in
Whole piece pole piece is cut into many points of monolithics, to mitigate the intensity between empty paper tinsel face and coat side according to coat side and the interval in empty paper tinsel face
With the gap of tension force, reduce corrugation degree, but so result in the increase of production technology link and the reduction of efficiency.
Therefore, the pole piece of zebra applying structure corrugated problem, improve production efficiency in roll-in how is solved, is ability
Field technique personnel technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece, can be in roller
During pressure zebra coating pole piece, prevent from wrinkling, improve production efficiency.
For solving above-mentioned technical problem, this utility model provides a kind of lithium battery anti-roll-in corrugation dress of zebra coating pole piece
Put, including the roll shaft for roll-in is carried out to the coat side of pole piece and the outer surface for being circumferentially positioned at the roll shaft, be used for
The a plurality of boss in each bar sky paper tinsel face on the pole piece is compressed during roll-in.
Preferably, boss described in each bar is in annular shape.
Preferably, the height of boss described in each bar is equal with the difference in the empty paper tinsel face and the thickness of coat side.
Preferably, the width of boss described in each bar is in ± 5% with the difference of the width in empty paper tinsel face described in each bar.
Preferably, the height of boss described in each bar is gradually lowered in arc-shaped from its center to two ends.
Preferably, the smooth surface of boss described in each bar.
Preferably, boss described in each bar is removably set on the outer surface of the roll shaft, and described in adjacent two
The spacing of boss is adjustable.
The lithium battery provided by the utility model anti-roll-in corrugation device of zebra coating pole piece, main including roll shaft and convex
Platform.Wherein, roll shaft is mainly used in the coat side to pole piece carries out roll-in, and boss is provided with a plurality of, is circumferentially positioned at roll shaft
Outer surface on, be mainly used in when roll shaft carries out roll-in to pole piece, each bar sky paper tinsel face pressure that will be on pole piece is tight.Thus, passing through
When lithium battery provided by the utility model carries out roll-in with the anti-roll-in corrugation device of zebra coating pole piece to pole piece, roll shaft is normal
Coat side on roll-in pole piece, meanwhile, when roll shaft rotates, each bar boss also synchronous rotary, and each bar boss and each bar sky paper tinsel
Face is corresponding, and therefore, while roll-in coat side, boss is also tight by empty paper tinsel face pressure for roll shaft, such surface shape just to empty paper tinsel face
Into certain tension force, the presence of the external tension supplements the difference of the tension force between pole piece overhead paper tinsel face and coat side so that pole
Tension force between piece overhead paper tinsel face and coat side closely, in roll shaft roll-in, you can avoid causing due to tension force deficiency
The corrugated problem in empty paper tinsel face.Compared to prior art, the lithium battery provided by the utility model anti-roll-in of zebra coating pole piece
Corrugation device, can prevent the empty paper tinsel face corrugation of pole piece, need not add extra production technology again, therefore reduce and produce into
This, improves production efficiency.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is a kind of pole piece coating schematic diagram of zebra applying structure of the prior art；
Fig. 2 is a kind of overall structure diagram of specific embodiment provided by the utility model.
Wherein, in Fig. 1 Fig. 2：
Coat side 1, empty paper tinsel face 2, roll shaft 3, boss 4.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 2 is refer to, Fig. 2 is a kind of overall structure diagram of specific embodiment provided by the utility model.
In a kind of specific embodiment provided by the utility model, the lithium battery anti-roll-in corrugation of zebra coating pole piece
Device mainly includes roll shaft 3 and boss 4.
Wherein, roll shaft 3 is typically cylindrical, is mainly used in carrying out roll-in to pole piece.Pole piece for zebra applying structure
For, it is mainly used in carrying out roll-in to the coat side 1 on pole piece.
Boss 4 is circumferentially positioned on the outer surface (referring to side, not end face) of roll shaft 3, and in the present embodiment, boss 4 exists
Be integrally formed on the outer surface of roll shaft 3, be mainly used in the empty paper tinsel face 2 on pole piece is compressed in 3 roll-in pole piece of roll shaft.Due to zebra
The quantity in the pole piece of applying structure, its coat side 1 and empty paper tinsel face 2 is more, general up to more than 4, thus, the quantity of boss 4
Also more.Specifically, the quantity of boss 4 is equal with the quantity in the empty paper tinsel face 2 on pole piece, i.e. 2 one a pair of boss 4 and empty paper tinsel face
Should.
Thus, be coated with the anti-roll-in corrugation device of pole piece by lithium battery provided by the utility model with zebra entering to pole piece
During row roll-in, coat side 1 on 3 normal roll-in pole piece of roll shaft, meanwhile, when roll shaft 3 rotates, each bar boss 4 also synchronous rotary,
And each bar boss 4 is corresponding with each bar sky paper tinsel face 2, therefore, while roll-in coat side 1, boss 4 is also by empty paper tinsel face 2 for roll shaft 3
Compressing, certain tension force just being formed to the surface in empty paper tinsel face 2 so, the presence of the external tension supplements pole piece overhead paper tinsel face 2
With the difference of the tension force between coat side 1 so that the tension force between pole piece overhead paper tinsel face 2 and coat side 1 closely, in roll shaft 3
During roll-in, you can avoid the 2 corrugated problem of empty paper tinsel face caused due to tension force deficiency.Compared to prior art, this utility model
The lithium battery for the being provided anti-roll-in corrugation device of zebra coating pole piece, can prevent the empty paper tinsel face corrugation of pole piece, and without the need for adding
Enter extra production technology, therefore reduce production cost, improve production efficiency.
In a kind of preferred embodiment with regard to boss 4, the global shape of each bar boss 4 can be in annular shape.Thus, in roller
During 3 roll-in pole piece of axle, boss 4 can be pressed to the empty paper tinsel face 2 on pole piece uniformly in the circumferential direction, and which is equably pressed
Tightly, the processing step for being conducive to pole piece follow-up.Certainly, boss 4 can also be in the ellipse of circularity higher (or major and minor axis adjoining dimensions)
Shape or annularly overlap successively in several wavelike structures, the equal structure of outer radii can also be adopted.
There is sufficiently large tension force for making the empty paper tinsel face 2 of boss 4 pairs, in the present embodiment, the height of each bar boss 4 can be with empty paper tinsel
The difference of the thickness of face 2 and coat side 1 is equal.Be arranged such, roll shaft 3 in roll-in pole piece, the surface of boss 4 i.e. can completely with
Mutually it is close on the surface in empty paper tinsel face 2, it is ensured that enough thrusts and tension force.Certainly, if the height of boss 4 is slightly larger than empty 2 He of paper tinsel face
The difference (in ± 5%) of the thickness of coat side 1, then can make sky paper tinsel face 2 produce acceptable deformation, also feasible.
It is based on same consideration, in the present embodiment, the smooth surface of each bar boss 4.Such as, can be by the table of each bar boss 4
The operations such as face is by skidding, polishing are surface-treated, and reduce its roughness.It is arranged such, roll shaft 3 is carrying out roll-in to pole piece
When, smooth boss 4 compresses empty paper tinsel face 2, on the one hand can improve thrust and tension force, on the other hand can reduce empty paper tinsel as far as possible
Adhesion between 4 surface of face 2 and boss, can improve the rotary speed of roll shaft 3 to a certain extent, improve production line operation effect
Rate.
Simultaneously, it is contemplated that the width in empty paper tinsel face 2 and coat side 1 on pole piece is not standard value, the certainty in coating
There is error, for this purpose, in the present embodiment, the difference of the width of each bar boss 4 and the width in each self-corresponding empty paper tinsel face 2 in ±
In 5%.Certainly, if the width of empty paper tinsel face 2 and coat side 1 is standard value, then the width in the width of boss 4 and empty paper tinsel face 2
Equal.
Furthermore, it is contemplated that the transition on pole piece between coat side 1 and empty paper tinsel face 2, in the present embodiment, the height of each bar boss 4
Degree is not equal everywhere, but is gradually lowered into arc-shaped from its center to end positions.It is arranged such, boss can be avoided
Interference of 4 edge to 1 edge of coat side.
In another kind of specific embodiment provided by the utility model, it is split type knot between boss 4 and roll shaft 3
Structure.Specifically, each bar boss 4 is removably set on the outer surface of roll shaft 3, and between adjacent two boss 4 between
Away from scalable.Such as, each bar boss 4 can be elastic construction, when being set on roll shaft 3, can arbitrarily remove or install, can so answer
To different types of pole piece.Meanwhile, also position can be arranged by axially adjustable each bar boss 4, you can adjustment adjacent two convex
Spacing between platform 4, thus, the coat side 1 of different interval width on pole piece and empty paper tinsel face 2 can be tackled.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Multiple modifications of these embodiments will be apparent for those skilled in the art, determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of lithium battery is coated with the anti-roll-in corrugation device of pole piece with zebra, it is characterised in that include for the coating to pole piece
Face (1) carry out the roll shaft (3) of roll-in and be circumferentially positioned on the outer surface of the roll shaft (3), be used for compressing in roll-in described
The a plurality of boss (4) of each bar sky paper tinsel face (2) on pole piece.
2. lithium battery according to claim 1 is coated with the anti-roll-in corrugation device of pole piece with zebra, it is characterised in that each bar institute
Boss (4) is stated in annular shape.
3. lithium battery according to claim 2 is coated with the anti-roll-in corrugation device of pole piece with zebra, it is characterised in that each bar institute
The height for stating boss (4) is equal with the difference of empty paper tinsel face (2) and the thickness of coat side (1).
4. lithium battery according to claim 3 is coated with the anti-roll-in corrugation device of pole piece with zebra, it is characterised in that each bar institute
State the width of boss (4) and the difference of the width of empty paper tinsel face (2) is in ± 5% described in each bar.
5. lithium battery according to claim 4 is coated with the anti-roll-in corrugation device of pole piece with zebra, it is characterised in that each bar institute
The height for stating boss (4) is gradually lowered in arc-shaped from its center to two ends.
6. lithium battery according to claim 5 is coated with the anti-roll-in corrugation device of pole piece with zebra, it is characterised in that each bar institute
State the smooth surface of boss (4).
7. the lithium battery according to any one of claim 1-6 is coated with the anti-roll-in corrugation device of pole piece with zebra, and its feature exists
In described in each bar, boss (4) is removably set on the outer surface of the roll shaft (3), and adjacent two boss (4)
Spacing adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005428.6U CN206022538U (en) | 2016-08-30 | 2016-08-30 | A kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005428.6U CN206022538U (en) | 2016-08-30 | 2016-08-30 | A kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece |
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| Publication Number | Publication Date |
|---|---|
| CN206022538U true CN206022538U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005428.6U Active CN206022538U (en) | 2016-08-30 | 2016-08-30 | A kind of lithium battery anti-roll-in corrugation device of zebra coating pole piece |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405717A (en) * | 2018-04-02 | 2018-08-17 | 成都市银隆新能源有限公司 | A kind of pole piece rolling device |
| CN110335992A (en) * | 2019-07-11 | 2019-10-15 | 安普瑞斯（无锡）有限公司 | A kind of electrodes of lithium-ion batteries prelithiation device |
| CN110575938A (en) * | 2018-06-08 | 2019-12-17 | 成都市银隆新能源有限公司 | Sliding type double-side coating supporting roller device |
| CN111640908A (en) * | 2020-06-03 | 2020-09-08 | 湖北亿纬动力有限公司 | Crease-resistant device and crease-resistant paster pasting method |
| WO2023061156A1 (en) * | 2021-10-15 | 2023-04-20 | 江苏时代新能源科技有限公司 | Rolling apparatus and machining device |
-
2016
- 2016-08-30 CN CN201621005428.6U patent/CN206022538U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405717A (en) * | 2018-04-02 | 2018-08-17 | 成都市银隆新能源有限公司 | A kind of pole piece rolling device |
| CN110575938A (en) * | 2018-06-08 | 2019-12-17 | 成都市银隆新能源有限公司 | Sliding type double-side coating supporting roller device |
| CN110335992A (en) * | 2019-07-11 | 2019-10-15 | 安普瑞斯（无锡）有限公司 | A kind of electrodes of lithium-ion batteries prelithiation device |
| CN111640908A (en) * | 2020-06-03 | 2020-09-08 | 湖北亿纬动力有限公司 | Crease-resistant device and crease-resistant paster pasting method |
| WO2023061156A1 (en) * | 2021-10-15 | 2023-04-20 | 江苏时代新能源科技有限公司 | Rolling apparatus and machining device |
| US11967698B2 (en) | 2021-10-15 | 2024-04-23 | Jiangsu Contemporary Amperex Technology Limited | Apparatus for rolling electrode plate |
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