CN211034583U - Elastic compression roller device for relieving pole piece wrinkles - Google Patents
Elastic compression roller device for relieving pole piece wrinkles Download PDFInfo
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- CN211034583U CN211034583U CN201921617476.4U CN201921617476U CN211034583U CN 211034583 U CN211034583 U CN 211034583U CN 201921617476 U CN201921617476 U CN 201921617476U CN 211034583 U CN211034583 U CN 211034583U
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- compression roller
- pole piece
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- baffle
- spring
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Abstract
The utility model provides a pair of elasticity compression roller device for slowing down pole piece fold, be used for going on flat compression roller mechanism to the substrate both sides including at least two, compression roller mechanism includes the compression roller, a spring, adjusting nut and the overhead gage and the lower baffle that set up from top to bottom, the baffle bottom surface is equipped with the mount pad that is used for installing the compression roller down, the compression roller is installed on the mount pad, the baffle top surface is equipped with a vertical double-screw bolt of arranging down, the second through-hole that supplies the double-screw bolt to run through is seted up at the overhead gage middle part, the double-screw bolt top pass the second through-hole and with the adjusting nut spiro union, the spring housing is established on the double-screw bolt, and the. The utility model discloses can effectively open up flat pole piece fold.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, concretely relates to elasticity compression roller device for slowing down pole piece fold.
Background
The pole piece is made to the crucial thing in lithium electricity production process, and coating portion and uncoated portion have little unsmooth difference in height, and this difference in height is at coating and roll-in process, leads to uncoated region mass flow body to produce the fold easily, generally shows fishtail line or twill form. With the increasing demand of the general automobile factories on batteries of electric automobiles, wherein the energy density of the batteries is particularly important, the higher energy density means that the driving mileage of the single-charge automobile is increased correspondingly. An effective method for improving the energy density in a battery factory is to use a thinner current collector and reduce the consumption of inactive substances, thereby improving the energy density of the battery. However, the thinner thickness of the current collector means that the strength of the current collector is correspondingly lower, and wrinkles are more easily generated in the manufacturing process of the pole piece. The wrinkles greatly affect the subsequent production process and the safety performance of the final finished product battery core.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides an elasticity compression roller device for slowing down pole piece fold to flat pole piece fold of exhibition.
The utility model provides an elasticity compression roller device for slowing down pole piece fold, including at least two compression roller mechanisms that are used for flattening the substrate both sides, compression roller mechanism includes compression roller, spring, adjusting nut and the overhead gage and the lower baffle that set up from top to bottom;
the bottom surface of the lower baffle is provided with a mounting seat for mounting the compression roller, the compression roller is mounted on the mounting seat, the top surface of the lower baffle is provided with a vertically arranged stud, the middle part of the upper baffle is provided with a second through hole for the stud to penetrate through, the top end of the stud penetrates through the second through hole and is in threaded connection with an adjusting nut, the spring sleeve is sleeved on the stud, and the spring is located between the upper baffle and the lower baffle.
Preferably, the diameter of the second through hole is smaller than the outer diameter of the adjustment nut, and the diameter of the second through hole is smaller than the diameter of the spring.
Preferably, the bottom end of the spring is fixedly connected with the top surface of the lower baffle, and the top end of the spring is fixedly connected with the bottom surface of the upper baffle.
Preferably, the top surface of the lower baffle is provided with at least one guide post which is vertically arranged, the upper baffle is provided with at least one first through hole for the guide post to penetrate through, and the top end of the guide post penetrates through the first through hole and is in sliding connection with the inner wall of the first through hole.
Preferably, the number of guide post is four, and four guide posts set up respectively in baffle top surface four corners down, and the number of first through-hole is four, and four first through-holes set up respectively in the overhead gage four corners.
Preferably, the stud is arranged in the middle of the top surface of the lower baffle plate, and the second through hole is arranged in the middle of the upper baffle plate.
Preferably, the inside of the press roll is a steel rod and the outside is a plastic material.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) come the elastic support overhead gage through the spring, come to exert pressure to the overhead gage through adjusting nut and adjust the position of compression roller, consequently spring and adjusting nut, overhead gage and lower baffle cooperation can make compression roller elasticity extrusion uncoated fold region, flat exhibition fold, and can level the quality of effect adjustment adjusting nut's position in order to guarantee the pole piece according to pole piece extrusion, and the spring plays the cushioning effect, the phenomenon of beating when can avoiding the pole piece to cross the roller, visual detection system misjudgement, the problem is judged by mistake to the rectifying system, reduce the disability rate and realize cost reduction.
(2) The guide post ensures that the upper baffle can move stably towards the lower baffle, so that the position of the compression roller is not deviated, and the quality of the pole piece is ensured.
Drawings
Fig. 1 is the utility model provides a structural schematic diagram of an elasticity compression roller device for slowing down pole piece fold.
Fig. 2 is the utility model provides a front view schematic diagram of an elasticity compression roller device for slowing down pole piece fold.
Detailed Description
Referring to fig. 1 and 2, the elastic compression roller device for alleviating pole piece wrinkles provided by the present invention comprises at least two compression roller mechanisms for flattening two sides of a substrate, wherein each compression roller mechanism comprises a compression roller 1, an adjusting nut 3, a spring 6, and an upper baffle 4 and a lower baffle 2 which are arranged up and down;
the bottom surface of the lower baffle plate 2 is provided with a mounting seat for mounting the compression roller 1, the compression roller 1 is mounted on the mounting seat, the top surface of the lower baffle plate 2 is provided with a vertically arranged stud 7, the middle part of the upper baffle plate 4 is provided with a second through hole for the stud 7 to penetrate through, the top end of the stud 7 penetrates through the second through hole and is in threaded connection with the adjusting nut 3, the spring 6 is sleeved on the stud 7, and the spring 6 is located between the upper baffle plate 4 and the lower baffle plate 2.
The utility model discloses a spring 6 comes elastic support overhead gage 4, come to apply pressure to overhead gage 4 through adjusting nut 3 and adjust compression roller 1's position, consequently spring 6 and adjusting nut 3, overhead gage 4 can make compression roller 1 elasticity extrusion uncoated fold region with lower baffle 2 cooperation, flat exhibition fold, and can level and smooth the quality of effect adjusting nut 3's position in order to guarantee the pole piece according to the pole piece extrusion, and spring 6 plays the cushioning effect, the phenomenon of beating when can avoiding the pole piece to cross the roller, visual detection system misjudgement, the problem is judged to the error correction system, reduce the disability rate and realize cost reduction.
In this embodiment, the diameter of the second through hole is smaller than the outer diameter of the adjusting nut 3 to ensure that the bottom surface of the adjusting nut 3 abuts against the upper baffle 4, so that the position of the press roller 1 is adjusted by applying pressure to the upper baffle 4 through adjusting the adjusting nut 3, and the diameter of the second through hole is smaller than the diameter of the spring 6 to ensure that the spring 6 cannot stretch out of the second through hole, so that the spring 6 plays roles of elastic support and buffering.
In this embodiment, it is characterized in that the bottom end of the spring 6 is fixedly connected to the top surface of the lower baffle 2, and the top end of the spring 6 is fixedly connected to the bottom surface of the upper baffle 4, so as to prevent the spring 6 from partially entering the second through hole and affecting the movement of the upper baffle 4. In this embodiment, the top surface of the lower baffle 2 is provided with at least one vertically arranged guide post 5, the upper baffle 4 is provided with at least one first through hole for the guide post 5 to penetrate through, and the top end of the guide post 5 penetrates through the first through hole and is connected with the inner wall of the first through hole in a sliding manner. The guide post 5 is used for guaranteeing that the upper baffle plate 4 can move stably towards the lower baffle plate 2, so that the position of the compression roller 1 cannot deviate left and right, and the quality of the pole piece is guaranteed.
In this embodiment, the number of guide posts 5 is four, and four guide posts 5 set up respectively in 2 top surface four corners of baffle down, and the number of first through-hole is four, and four first through-holes set up respectively in 4 four corners of overhead gage to make overhead gage 4 be close to or keep away from to baffle 2 down along guide posts 5, thereby guarantee that the position of compression roller 1 does not deviate.
In this embodiment, the stud 7 is disposed in the middle of the top surface of the lower baffle 2, and the second through hole is disposed in the middle of the upper baffle 4, so that the upper baffle 4 is uniformly stressed, the spring 6 is uniformly stressed, and the upper baffle 4 can move stably along the guide post 5.
In the present embodiment, the inside of the press roll 1 is a steel rod, and the outside is a plastic material, so as to improve the wrinkle flattening effect of the press roll 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The elastic compression roller device for relieving pole piece wrinkles is characterized by comprising at least two compression roller mechanisms for flattening two sides of a base material, wherein each compression roller mechanism comprises a compression roller (1), an adjusting nut (3), a spring (6), an upper baffle (4) and a lower baffle (2), which are arranged up and down;
baffle (2) bottom surface is equipped with the mount pad that is used for installing compression roller (1) down, install on the mount pad compression roller (1), baffle (2) top surface is equipped with a vertical double-screw bolt (7) of arranging down, a second through-hole that supplies double-screw bolt (7) to run through is seted up at overhead gage (4) middle part, double-screw bolt (7) top is passed the second through-hole and is connected with adjusting nut (3) spiro union, spring (6) cover is established on double-screw bolt (7), and spring (6) are located overhead gage (4) and down between baffle (2).
2. The elastic pressure roller device for alleviating pole piece wrinkles as claimed in claim 1, characterized in that the diameter of the second through hole is smaller than the outer diameter of the adjusting nut (3) and the diameter of the second through hole is smaller than the diameter of the spring (6).
3. The elastic pressure roller device for alleviating pole piece wrinkles as claimed in claim 1, wherein the bottom end of the spring (6) is fixedly connected with the top surface of the lower baffle (2), and the top end of the spring (6) is fixedly connected with the bottom surface of the upper baffle (4).
4. The elastic pressure roller device for alleviating pole piece wrinkles as claimed in any one of claims 1 to 3, wherein the top surface of the lower baffle (2) is provided with at least one vertically arranged guide post (5), the upper baffle (4) is provided with at least one first through hole for the guide post (5) to pass through, and the top end of the guide post (5) passes through the first through hole and is slidably connected with the inner wall of the first through hole.
5. The elastic pressure roller device for alleviating pole piece wrinkles as claimed in claim 4, wherein the number of the guide posts (5) is four, four guide posts (5) are respectively arranged at four corners of the top surface of the lower baffle (2), the number of the first through holes is four, and four first through holes are respectively arranged at four corners of the upper baffle (4).
6. The elastic pressure roller device for alleviating pole piece wrinkles as claimed in claim 5, wherein the stud (7) is arranged in the middle of the top surface of the lower baffle plate (2), and the second through hole is arranged in the middle of the upper baffle plate (4).
7. The elastic roller device for reducing pole piece wrinkles as claimed in claim 1, wherein the inside of the roller (1) is a steel rod, and the outside is a plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617476.4U CN211034583U (en) | 2019-09-26 | 2019-09-26 | Elastic compression roller device for relieving pole piece wrinkles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617476.4U CN211034583U (en) | 2019-09-26 | 2019-09-26 | Elastic compression roller device for relieving pole piece wrinkles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211034583U true CN211034583U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921617476.4U Active CN211034583U (en) | 2019-09-26 | 2019-09-26 | Elastic compression roller device for relieving pole piece wrinkles |
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| Country | Link |
|---|---|
| CN (1) | CN211034583U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436026A (en) * | 2021-12-22 | 2022-05-06 | 贵州梅岭电源有限公司 | Lithium battery pole piece anti-curling device |
| CN115846164A (en) * | 2023-02-13 | 2023-03-28 | 江苏时代新能源科技有限公司 | Drying device, rolling mechanism thereof, coating machine and pole piece coating and drying method |
-
2019
- 2019-09-26 CN CN201921617476.4U patent/CN211034583U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436026A (en) * | 2021-12-22 | 2022-05-06 | 贵州梅岭电源有限公司 | Lithium battery pole piece anti-curling device |
| CN115846164A (en) * | 2023-02-13 | 2023-03-28 | 江苏时代新能源科技有限公司 | Drying device, rolling mechanism thereof, coating machine and pole piece coating and drying method |
| CN115846164B (en) * | 2023-02-13 | 2023-08-15 | 江苏时代新能源科技有限公司 | Drying device, rolling mechanism of drying device, coating machine and pole piece coating and drying method |
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