CN208116536U - A kind of pole piece rolling device - Google Patents
A kind of pole piece rolling device Download PDFInfo
- Publication number
- CN208116536U CN208116536U CN201820456585.1U CN201820456585U CN208116536U CN 208116536 U CN208116536 U CN 208116536U CN 201820456585 U CN201820456585 U CN 201820456585U CN 208116536 U CN208116536 U CN 208116536U
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- China
- Prior art keywords
- lantern ring
- pole piece
- main shaft
- rolling
- rolling device
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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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Abstract
The utility model discloses a kind of pole piece rolling devices, for carrying out roll-in to pole piece, including main shaft, the first lantern ring and the second lantern ring, first lantern ring and the second lantern ring are removably sleeved on the main shaft, first lantern ring is provided with multiple, second lantern ring is provided at least one, and the outside wall surface of first lantern ring and the second lantern ring constitutes rolling surface.Pole piece rolling device provided by the utility model, is arranged the first lantern ring and the second lantern ring on main shaft, constitutes rolling surface by the outside wall surface of the first lantern ring and the second lantern ring and carries out roll-in to pole piece.Also, the first lantern ring and the second lantern ring are removably sleeved on main shaft, and the size of rolling surface is adjusted according to the size of pole piece, keep the pressing effect of rolling device more preferable, and the scope of application is also wider.
Description
Technical field
The utility model relates to battery associated components manufacturing technology field, especially a kind of pole piece rolling device.
Background technique
Main energy storage component of the lithium ion battery as electric car, as the development of electric car has obtained hair energetically
Exhibition.And pith of the pole piece as lithium battery, the performance for improving lithium battery play critically important effect.In order to improve pole
The coating efficiency of piece is provided with applying area on pole piece and is left white area, cut again after the completion of coating.
But the quantity and width due to the applying area on different pole pieces may be different, so that different pole pieces are needed using not
Same rolling device, to keep the versatility of rolling device relatively low.
Utility model content
In view of this, one of the purpose of this utility model is to provide a kind of pole piece roll-in dress for facilitating and adjusting rolling surface size
It sets.
The utility model provides a kind of pole piece rolling device, for pole piece carry out roll-in, including main shaft, the first lantern ring and
Second lantern ring, first lantern ring and the second lantern ring are removably sleeved on the main shaft, and first lantern ring is provided with more
A, second lantern ring is provided at least one, and the outside wall surface of first lantern ring and the second lantern ring constitutes rolling surface.
By the rolling surface for the different in width that first lantern ring of different number and the second lantern ring are formed, to make roll-in
The width in face can be adjusted, and rolling device can be applicable in the pole piece of a variety of different sizes.
Preferably, the outer diameter of first lantern ring is less than the outer diameter of second lantern ring.
Preferably, the rolling surface includes the first rolling surface and the second rolling surface,
The outside wall surface of first lantern ring constitutes first rolling surface, and the outside wall surface of second lantern ring constitutes described the
Two rolling surfaces, and/or,
First rolling surface be provided with it is multiple, second rolling surface setting two neighboring first rolling surface it
Between.
Preferably, each first rolling surface is made of the outside wall surface of one or more first lantern rings, and/or,
Each second rolling surface is made of the outside wall surface of one or more second lantern rings.
Preferably, it is formed with applying area on the pole piece and is left white area, between the two neighboring applying area described in formation
Be left white area, first rolling surface is corresponding with the applying area, second rolling surface with described to be left white area corresponding.
The first rolling surface and the second rolling surface is set to carry out roll-in with area is left white to applying area respectively, and by making the second lantern ring
Outer diameter be greater than the outer diameter of the first lantern ring, guarantee to being left white the phenomenon that area is able to carry out roll-in, avoids the occurrence of fold.
Preferably, the outer diameter difference of second lantern ring and first lantern ring is more than or equal to the coating of the applying area unilateral side
Thickness, less than the thickness of the applying area.
Outer diameter difference is avoided to cross the aluminium foil rupture of ambassador's pole piece, alternatively, too small cannot prop up of outer diameter difference is left white area.
Preferably, the pole piece rolling device further includes fastening structure, and there are two the fastening structure settings, described in two
Fastening structure is set with from the both ends of the main shaft respectively and is fixed on the main shaft, and makes first lantern ring and described second
Lantern ring is located between two fastening structures.
Preferably, first lantern ring and the second lantern ring cannot relatively move radially with the main shaft.
Preferably, first lantern ring and second lantern ring have elasticity, first lantern ring and second lantern ring
It is interference fitted with the main shaft.
Preferably, the main shaft is air-expanding shaft.
The first lantern ring and the second lantern ring to be fixed on main shaft, the first lantern ring and the second lantern ring hair in nipping process are avoided
It gives birth to movement and influences pressing effect.
Pole piece rolling device provided by the utility model, the first lantern ring and the second lantern ring are arranged on main shaft, passes through first
The outside wall surface of lantern ring and the second lantern ring constitutes rolling surface and carries out roll-in to pole piece.Also, the first lantern ring and the second lantern ring are detachable
Ground is sleeved on main shaft, and the size of rolling surface is adjusted according to the size of pole piece, imitates the roll-in of rolling device
Fruit is more preferable, and the scope of application is also wider.
Detailed description of the invention
By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows pole piece rolling device provided by the utility model.
Specific embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.It should be understood by one skilled in the art that attached drawing is provided to the purpose of explanation provided herein, and attached drawing is not necessarily
It is drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it should be understood that term " first ", " second " etc. are used for description purposes only,
It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more
It is a " it is meant that two or more.
As shown in Figure 1, pole piece rolling device provided by the utility model includes main shaft 100, the first lantern ring 200 and second set
Ring 300, first lantern ring 200 and the second lantern ring 300 are sleeved on the main shaft 100, it is preferable that first lantern ring 200
It is removably sleeved on the main shaft 100 with the second lantern ring 300, and in the both ends partial region Jun You of the main shaft 100
First lantern ring 200 and the second lantern ring 300 are not provided with to form mounting portion 110, the mounting portion 110 is used for and rolling equipment
Cooperation is installed.The outside wall surface of first lantern ring 200 and the second lantern ring 300 constitutes rolling surface, 200 He of the first lantern ring
Second lantern ring 300 is that internal diameter is identical, the different ring structure of outer diameter, and the outer diameter of second lantern ring 300 is greater than the first set
The outer diameter of ring 200.It is formed with applying area on the pole piece and is left white area, the area that is left white is formed in the two neighboring applying area
Between, the rolling surface includes and corresponding first rolling surface in the applying area and is left white corresponding second roll-in in area with described
Face, first rolling surface are provided with multiple, and second rolling surface is arranged between two neighboring first rolling surface.Institute
The outside wall surface for stating the first lantern ring 200 constitutes first rolling surface, the applying area on the corresponding pole piece, second lantern ring
300 outside wall surface constitutes second rolling surface, is left white area on the corresponding pole piece.Preferably, second lantern ring 300 with
The semidiameter of the outer wall of first lantern ring 200 determines by the thickness of the applying area, further, second lantern ring 300
It is more than or equal to the paint thickness of the applying area unilateral side with the semidiameter of the outside wall surface of first lantern ring 200, is less than the painting
The thickness in cloth area, specifically, for example, the applying area, with a thickness of 150um, for foil with a thickness of 10um, i.e., the described applying area is unilateral
Paint thickness be 70um, second lantern ring 300 and the semidiameter of first lantern ring 200 are 70-130um, because of pole piece
The dressing thickness of single side be 70um, if the semidiameter of second lantern ring 300 and first lantern ring 200 is lower than 70um,
It cannot play the role of propping up being left white area, reduce fold, if the semidiameter of second lantern ring 300 and first lantern ring 200
It is too big and easily burst foil, therefore second lantern ring 300 has from the semidiameter of first lantern ring 200 according to different technique
Difference requires, and can be adjusted according to the condition of production.
Second lantern ring 300 is provided at least one, first lantern ring 200 be provided with it is multiple, also, when described the
When two lantern rings 300 are provided with one, multiple first lantern rings 200 are distributed in the two sides of second lantern ring 300 in the axial direction.
Preferably, the overall width of multiple first lantern rings 200 of the every side of second lantern ring 300 in the axial direction is equal to the pole
The width of the applying area of on piece, the width of second lantern ring 300 in the axial direction are equal to the width for being left white area on the pole piece,
Each area that is left white corresponds to second lantern ring 300, alternatively, being left white area described in each corresponds to multiple second lantern rings
300.Further, each described applying area can correspond to first lantern ring 200, alternatively, each described coating
Area corresponds to multiple first lantern rings 200.
As shown in Figure 1, in a specific embodiment, there are two the settings of the second lantern ring 300, multiple first sets
Ring 200 is divided evenly into three parts by second lantern ring 300, i.e., there are three the applying areas for formation on corresponding pole piece, often
A applying area corresponds to multiple first lantern rings 200, is left white area described in formation between the two neighboring applying area, each
It is described to be left white corresponding second lantern ring 300 in area.Preferably, the pole piece rolling device further includes fastening structure 400, institute
State there are two the settings of fastening structure 400, two fastening structures 400 respectively the set from the both ends of the main shaft 100 be attached to it is described
On main shaft 100, and the fastening structure 400 is fixedly connected with the main shaft 100.Two fastening structures 400 will be described
First lantern ring 200 and the second lantern ring 300 are limited between two fastening structures 400, and provide certain power in the axial direction
It mutually compresses first lantern ring 200 and the second lantern ring 300 in the axial direction, makes first lantern ring 200 and the second lantern ring 300
Between and multiple first lantern rings 200 between will not there are gaps, and make first lantern ring 200 and the second lantern ring 300
It cannot move in the axial direction, to guarantee roll-in quality.
Preferably, the fastening structure 400 includes claw and locking nut, is set on the claw and the locking nut
Mutually matched seal face is set, the locking nut can be pressed to the claw by the seal face during locking
The main shaft 100 finally makes the side wall clamping of the claw Yu the main shaft 100.Above structure is the fastening structure 400
A kind of specific embodiment, the specific structure of the fastening structure 400 without limitation, as long as can be real with the main shaft 100
Now it is clamped.
It preferably, is interference fit between first lantern ring 200 and the second lantern ring 300 and the main shaft 100, so that
Relative movement radially cannot occur for first lantern ring 200 and the second lantern ring 300 and the main shaft 100, to guarantee roller
The quality of pressure.Further, first lantern ring 200 and the second lantern ring 300 are the material with certain elasticity, such as described the
One lantern ring 200 and the second lantern ring 300 can be rubber material, and the internal diameter of first lantern ring 200 and the second lantern ring 300 is less than institute
The outer diameter of main shaft 100 is stated, so that first lantern ring 200 and the second lantern ring 300 be enable to be locked on the main shaft 100.Or
The main shaft 100 can also be arranged to air-expanding shaft, first lantern ring 200 and the second lantern ring in other embodiments by person
It after 300 sets are attached on the main shaft 100, is supplied into the main shaft 100, expands the main shaft 100, to make described the
One lantern ring 200 and the second lantern ring 300 cannot be relatively moved with the main shaft 100.
Pole piece rolling device provided by the utility model forms roll-in by first lantern ring 200 and the second lantern ring 300
Face, and first lantern ring 200 and the second lantern ring 300 are that removably set is attached on the main shaft 100, to make described
The rolling surface of pole piece rolling device can be adjusted according to the width of pole piece and the quantity of applying area.Also, by described
The adjustable length corresponding with the applying area of the setting quantity of first lantern ring 200, to make the pole piece rolling device
It adjusts more convenient and flexible.The distance between two neighboring second lantern ring 300 (i.e. the width of applying area) is by described
The quantity of one lantern ring 200 determines, to keep the setting of second lantern ring 300 more convenient, also can more do guarantee described second
Lantern ring 300 is left white the corresponding precision in area with described.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the utility model
In the case where basic principle, those skilled in the art can be for the various apparent or equivalent modification that above-mentioned details is made
Or replacement, it is all included in the scope of the claims of the utility model.
Claims (10)
1. a kind of pole piece rolling device, for carrying out roll-in to pole piece, which is characterized in that including main shaft, the first lantern ring and second
Lantern ring, first lantern ring and the second lantern ring are removably sleeved on the main shaft, and first lantern ring is provided with multiple, institute
It states the second lantern ring and is provided at least one, the outside wall surface of first lantern ring and the second lantern ring constitutes rolling surface.
2. pole piece rolling device according to claim 1, which is characterized in that the outer diameter of first lantern ring is less than described the
The outer diameter of two lantern rings.
3. pole piece rolling device according to claim 2, which is characterized in that the rolling surface includes the first rolling surface and the
Two rolling surfaces,
The outside wall surface of first lantern ring constitutes first rolling surface, and the outside wall surface of second lantern ring constitutes second roller
Pressure surface, and/or,
First rolling surface is provided with multiple, and second rolling surface is arranged between two neighboring first rolling surface.
4. pole piece rolling device according to claim 3, which is characterized in that each first rolling surface is by one or more
The outside wall surface of a first lantern ring is constituted, and/or,
Each second rolling surface is made of the outside wall surface of one or more second lantern rings.
5. pole piece rolling device according to claim 3, which is characterized in that be formed with applying area on the pole piece and be left white
Area, formed between the two neighboring applying area described in be left white area, first rolling surface is corresponding with the applying area, described the
Two rolling surfaces with described to be left white area corresponding.
6. pole piece rolling device according to claim 5, which is characterized in that second lantern ring and first lantern ring
Outer diameter difference is more than or equal to the paint thickness of the applying area unilateral side, less than the thickness of the applying area.
7. pole piece rolling device described in one of -6 according to claim 1, which is characterized in that the pole piece rolling device further includes
Fastening structure, there are two the fastening structure settings, and two fastening structures are set with and consolidate from the both ends of the main shaft respectively
Determine onto the main shaft, and is located at first lantern ring and second lantern ring between two fastening structures.
8. pole piece rolling device described in one of -6 according to claim 1, which is characterized in that first lantern ring and the second lantern ring
It cannot be relatively moved radially with the main shaft.
9. pole piece rolling device according to claim 8, which is characterized in that first lantern ring and second lantern ring tool
Flexible, first lantern ring and second lantern ring and the main shaft are interference fitted.
10. pole piece rolling device according to claim 8, which is characterized in that the main shaft is air-expanding shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820456585.1U CN208116536U (en) | 2018-04-02 | 2018-04-02 | A kind of pole piece rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820456585.1U CN208116536U (en) | 2018-04-02 | 2018-04-02 | A kind of pole piece rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208116536U true CN208116536U (en) | 2018-11-20 |
Family
ID=64194548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820456585.1U Active CN208116536U (en) | 2018-04-02 | 2018-04-02 | A kind of pole piece rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208116536U (en) |
Cited By (3)
| 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 |
| CN110890519A (en) * | 2019-12-02 | 2020-03-17 | 中航锂电技术研究院有限公司 | Rolling device and manufacturing method of lithium battery |
| WO2023075426A1 (en) * | 2021-10-27 | 2023-05-04 | 주식회사 엘지에너지솔루션 | Apparatus for manufacturing electrode for secondary battery |
-
2018
- 2018-04-02 CN CN201820456585.1U patent/CN208116536U/en active Active
Cited By (4)
| 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 |
| CN110890519A (en) * | 2019-12-02 | 2020-03-17 | 中航锂电技术研究院有限公司 | Rolling device and manufacturing method of lithium battery |
| CN110890519B (en) * | 2019-12-02 | 2021-03-30 | 中航锂电技术研究院有限公司 | Rolling device and manufacturing method of lithium battery |
| WO2023075426A1 (en) * | 2021-10-27 | 2023-05-04 | 주식회사 엘지에너지솔루션 | Apparatus for manufacturing electrode for secondary battery |
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