CN204045688U - A kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof - Google Patents
A kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof Download PDFInfo
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- CN204045688U CN204045688U CN201420453236.6U CN201420453236U CN204045688U CN 204045688 U CN204045688 U CN 204045688U CN 201420453236 U CN201420453236 U CN 201420453236U CN 204045688 U CN204045688 U CN 204045688U
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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
The utility model discloses a kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof, comprise battery core, battery core is wound on stem stem by positive plate and negative plate and is formed, barrier film is provided with between positive plate and negative plate, positive plate scribbles positive pole coating, the upper end of positive plate is provided with first and stays white region, negative plate scribbles negative pole coating, the lower end of negative plate is provided with second and stays white region, and first stays white region and second to stay the end of white region to be processed with some breach.The utility model by carrying out cross cutting process to positive/negative plate before winding, make to stay white region to be cut into a lot of breach, secondly by a set of gradual integer tool component, the well-regulated stem stem to center of battery end-face pole piece jaggy is superposed, and active force when making integer suffered by battery core is very little, can not produce metal break flour because of vibration, also positive/negative plate can not be made to be out of shape, end face density after integer process of battery core is better, and end face is more smooth, is more conducive to laser welding.
Description
[technical field]
The utility model relates to the technical field of cylindrical lithium ion battery battery core, the technical field of particularly a kind of easy integer cylindrical lithium ion battery battery core and integer processing thereof.
[background technology]
Along with the extension in lithium ion battery applications field, Large Copacity cylindrical battery because of its structure simple, stable electrochemical property, production automation degree is high.Be subject to energy storage field, the favor of new-energy automobile industry.Because general Large Copacity cylindrical battery positive/negative plate is longer, can not simply by the explained hereafter of producing compact battery, existing patent relates to the technique of battery end-face welding, but existing production technology is by while stay white positive/negative plate and barrier film to be rolled into battery core, one end of battery core stays white positive terminal, and the other end stays white negative pole end.Then pressurize to two ends and carry out ultrasonic vibration simultaneously, both positive and negative polarity end face compresses 2-5mm respectively, makes both positive and negative polarity end face form closely knit plane, and circle of being convenient to conflux with both positive and negative polarity carries out laser welding.Can normally carry out though this technique can make end face weld, but there is two problems simultaneously, first ultrasonic wave integer can produce metal fillings, and its two applied pressure when being integers can make the root of pole piece blank space be distorted distortion, has the probability producing battery short circuit and low-voltage.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof are proposed, the defect existed in prior art can be solved, active force during integer suffered by battery core is very little, can not produce metal break flour because of vibration, positive/negative plate also can not be made to be out of shape, and end face density after integer process of battery core is better, end face is more smooth, is more conducive to laser welding.
For achieving the above object, the utility model proposes a kind of easily integer cylindrical lithium ion battery battery core, comprise battery core, described battery core is wound on stem stem by positive plate and negative plate and is formed, barrier film is provided with between positive plate and negative plate, described positive plate scribbles positive pole coating, the upper end of positive plate is provided with first and stays white region, described negative plate scribbles negative pole coating, the lower end of negative plate is provided with second and stays white region, described first stays white region and second to stay the end of white region to be processed with some breach, the height of positive plate and negative plate is greater than the height of stem stem, first stays the upper end of the Nick End in white region and stem stem to flush, second stays the lower end of the Nick End in white region and stem stem to flush.
As preferably, the thickness of described positive pole coating is 120 ~ 260 μm, and the thickness of negative pole coating is 60 ~ 160 μm, and the thickness of barrier film is 20 ~ 40 μm.
As preferably, described first stays the height of white region to be 0.3 ~ 1cm, and described second stays the height of white region to be 0.3 ~ 1.5cm, and the height of described breach is 0.1 ~ 0.8cm, some breach are equally distributed in first and stay white region and second to stay on white region, and the bottom of breach is provided with rounding structure.
For achieving the above object, the utility model also proposed a kind of cylindrical lithium ion battery battery core integer technique tool component, comprise the first integer frock, the second integer frock, the 3rd integer frock and the 4th integer frock, the battery core described in claim 1 carries out integer processing through the first integer frock, the second integer frock, the 3rd integer frock and the 4th integer frock successively; Be provided with the first groove in described first integer frock, be provided with the first integer inclined-plane in described first groove, the first integer beveled top end is provided with the first pressing face; Be provided with the second groove in described second integer frock, be provided with the second integer inclined-plane in the second groove, the end on the second integer inclined-plane is provided with the second pressing face, and the top on the second integer inclined-plane is provided with the 3rd pressing face; Be provided with the 3rd groove in described 3rd integer frock, the 3rd groove center is provided with cone-shaped groove, and the end of cone-shaped groove is the 4th pressing face; Be provided with the 4th groove in described 4th integer frock, the top of the 4th groove is provided with the 5th pressing face.
As preferably, described first integer inclined-plane and the second integer inclined-plane are truncated cone-shaped integer face, and the second pressing face and the 4th pressing face are annular plane, and the described 4th size flattening face is greater than the size in the second pressing face.
As preferably, the full-size of described first groove, the second groove, the 3rd groove and the 4th groove cross section is equal, and the full-size of the first groove, the second groove, the 3rd groove and the 4th groove cross section equals the size of battery core.
The beneficial effects of the utility model: the utility model by carrying out cross cutting process to positive/negative plate before winding, make to stay white region to be cut into a lot of breach, secondly by a set of gradual integer tool component, the well-regulated stem stem to center of battery end-face pole piece jaggy is superposed, active force when making integer suffered by battery core is very little, metal break flour can not be produced because of vibration, also positive/negative plate can not be made to be out of shape, end face density after integer process of battery core is better, end face is more smooth, is more conducive to laser welding.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main TV structure figure before a kind of easy integer cylindrical lithium ion battery battery core integer of the utility model;
Fig. 2 is the main TV structure figure after a kind of easy integer cylindrical lithium ion battery battery core integer of the utility model;
Fig. 3 is the structural representation before the utility model electric core winding;
Fig. 4 is the front view of the utility model positive plate;
Fig. 5 is the front view of the utility model negative plate;
Fig. 6 is A portion enlarged drawing in Fig. 4;
Fig. 7 is the main pseudosection of the utility model first integer frock;
Fig. 8 is the main pseudosection of the utility model second integer frock;
Fig. 9 is the main pseudosection of the utility model the 3rd integer frock;
Figure 10 is the main pseudosection of the utility model the 4th integer frock.
[embodiment]
Consult Fig. 1 to Figure 10, a kind of easily integer cylindrical lithium ion battery battery core of the utility model, comprise battery core 1, described battery core 1 is wound on stem stem 11 by positive plate 2 and negative plate 3 and is formed, barrier film 4 is provided with between positive plate 2 and negative plate 3, described positive plate 2 scribbles positive pole coating 21, the upper end of positive plate 2 is provided with first and stays white region 22, described negative plate 3 scribbles negative pole coating 31, the lower end of negative plate 3 is provided with second and stays white region 32, described first stays white region 22 and second to stay the end of white region 32 to be processed with some breach 5, the height of positive plate 2 and negative plate 3 is greater than the height of stem stem 1, first stays the upper end of breach 5 end in white region 22 and stem stem 11 to flush, second stays the lower end of breach 5 end in white region 32 and stem stem 11 to flush, the thickness of described positive pole coating 21 is 120 ~ 260 μm, the thickness of negative pole coating 31 is 60 ~ 160 μm, the thickness of barrier film 4 is 20 ~ 40 μm, described first stays the height of white region 22 to be 0.3 ~ 1cm, described second stays the height of white region 32 to be 0.3 ~ 1.5cm, the height of described breach 5 is 0.1 ~ 0.8cm, some breach 5 are equally distributed in first and stay white region 22 and second to stay on white region 32, the bottom of breach 5 is provided with rounding structure 51.
A kind of cylindrical lithium ion battery battery core of the utility model integer technique tool component, it is characterized in that: comprise the first integer frock 6, second integer frock 7, the 3rd integer frock 8 and the 4th integer frock 9, the battery core 1 described in claim 1 carries out integer processing through the first integer frock 6, second integer frock 7, the 3rd integer frock 8 and the 4th integer frock 9 successively, be provided with the first groove 61 in described first integer frock 6, be provided with the first top, integer inclined-plane 61, integer inclined-plane 61, first in described first groove 61 and be provided with the first pressing face 62, be provided with the top that the end being provided with the second integer inclined-plane 72, integer inclined-plane 72, second in the second groove 71, second groove 71 is provided with the second integer inclined-plane 72, pressing face 73, second in described second integer frock 7 and be provided with the 3rd pressing face 74, the 3rd groove the 81, three groove 81 center that is provided with in described 3rd integer frock 8 is provided with cone-shaped groove 82, and the end of cone-shaped groove 82 is the 4th pressing face 83, the 4th groove 91 is provided with in described 4th integer frock 9, the top of the 4th groove 91 is provided with the 5th pressing face 92, described first integer inclined-plane 92 and the second integer inclined-plane 72 are truncated cone-shaped integer face, it is annular plane that second pressing face 73 and the 4th flattens face 83, the size in described 4th pressing face 83 is greater than the size in the second pressing face 73, described first groove 61, second groove 71, the full-size of the 3rd groove 81 and the 4th groove 91 cross section is equal, first groove 61, second groove 71, the full-size of the 3rd groove 81 and the 4th groove 91 cross section equals the size of battery core.
Utility model works process:
The utility model in the course of the work, before being reeled up, white region 32 is stayed to carry out cross cutting process by staying on white region 22 and negative plate 3 second to first on positive plate 2, make first to stay territory, white area 22 and second to stay on white region 32 and be cut into a lot of breach 5, then successively by the first integer frock 6, second integer frock 7, 3rd integer frock 8 and the 4th integer frock 9 pairs of battery cores 1 carry out integer processing, the well-regulated stem stem to center of the pole piece of battery core 1 end face jagged 5 is superposed, active force when making integer suffered by battery core 1 is very little, metal break flour can not be produced because of vibration, also positive/negative plate can not be made to be out of shape, end face density after integer process of battery core 1 is better, end face is more smooth, be more conducive to laser welding.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection range of the present utility model to the scheme after the utility model simple transformation.
Claims (6)
1. an easy integer cylindrical lithium ion battery battery core, it is characterized in that: comprise battery core (1), described battery core (1) is wound on stem stem (11) by positive plate (2) and negative plate (3) and is above formed, barrier film (4) is provided with between positive plate (2) and negative plate (3), described positive plate (2) scribbles positive pole coating (21), the upper end of positive plate (2) is provided with first and stays white region (22), described negative plate (3) scribbles negative pole coating (31), the lower end of negative plate (3) is provided with second and stays white region (32), described first stays white region (22) and second to stay the end of white region (32) to be processed with some breach (5), the height of positive plate (2) and negative plate (3) is greater than the height of stem stem (1), first stays the upper end of breach (5) end in white region (22) and stem stem (11) to flush, second stays the lower end of breach (5) end in white region (32) and stem stem (11) to flush.
2. a kind of easily integer cylindrical lithium ion battery battery core as claimed in claim 1, it is characterized in that: the thickness of described positive pole coating (21) is 120 ~ 260 μm, the thickness of negative pole coating (31) is 60 ~ 160 μm, and the thickness of barrier film (4) is 20 ~ 40 μm.
3. a kind of easily integer cylindrical lithium ion battery battery core as claimed in claim 1, it is characterized in that: described first stays the height of white region (22) to be 0.3 ~ 1cm, described second stays the height of white region (32) to be 0.3 ~ 1.5cm, the height of described breach (5) is 0.1 ~ 0.8cm, some breach (5) are equally distributed in first and stay white region (22) and second to stay on white region (32), and the bottom of breach (5) is provided with rounding structure (51).
4. a cylindrical lithium ion battery battery core integer technique tool component, it is characterized in that: comprise the first integer frock (6), the second integer frock (7), the 3rd integer frock (8) and the 4th integer frock (9), the battery core (1) described in claim 1 carries out integer processing through the first integer frock (6), the second integer frock (7), the 3rd integer frock (8) and the 4th integer frock (9) successively; The first groove (61) is provided with in described first integer frock (6), be provided with the first integer inclined-plane (61) in described first groove (61), the first integer inclined-plane (61) top is provided with the first pressing face (62); The second groove (71) is provided with in described second integer frock (7), the second integer inclined-plane (72) is provided with in second groove (71), the end on the second integer inclined-plane (72) is provided with the second pressing face (73), and the top on the second integer inclined-plane (72) is provided with the 3rd pressing face (74); The 3rd groove (81) is provided with in described 3rd integer frock (8), 3rd groove (81) center is provided with cone-shaped groove (82), and the end of cone-shaped groove (82) is the 4th pressing face (83); Be provided with the 4th groove (91) in described 4th integer frock (9), the top of the 4th groove (91) is provided with the 5th pressing face (92).
5. a kind of cylindrical lithium ion battery battery core integer technique tool component as claimed in claim 4, it is characterized in that: described first integer inclined-plane (92) and the second integer inclined-plane (72) are truncated cone-shaped integer face, it is annular plane that second pressing face (73) and the 4th flattens face (83), and the described 4th size flattening face (83) is greater than the size of the second pressing face (73).
6. a kind of cylindrical lithium ion battery battery core integer technique tool component as claimed in claim 4, it is characterized in that: the full-size of described first groove (61), the second groove (71), the 3rd groove (81) and the 4th groove (91) cross section is equal, the full-size of the first groove (61), the second groove (71), the 3rd groove (81) and the 4th groove (91) cross section equals the size of battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453236.6U CN204045688U (en) | 2014-08-12 | 2014-08-12 | A kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453236.6U CN204045688U (en) | 2014-08-12 | 2014-08-12 | A kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof |
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| CN204045688U true CN204045688U (en) | 2014-12-24 |
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| CN201420453236.6U Active CN204045688U (en) | 2014-08-12 | 2014-08-12 | A kind of easily integer cylindrical lithium ion battery battery core and integer technique tool component thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024090A (en) * | 2015-07-14 | 2015-11-04 | 安徽宁远新能源科技有限公司 | Simple and convenient battery core end face shaping device |
| CN113039681A (en) * | 2018-11-05 | 2021-06-25 | 特斯拉公司 | Battery with electrode without pole ear |
-
2014
- 2014-08-12 CN CN201420453236.6U patent/CN204045688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024090A (en) * | 2015-07-14 | 2015-11-04 | 安徽宁远新能源科技有限公司 | Simple and convenient battery core end face shaping device |
| CN113039681A (en) * | 2018-11-05 | 2021-06-25 | 特斯拉公司 | Battery with electrode without pole ear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG XINGHAI ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU AOKUI Effective date: 20150507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150507 Address after: 313100 No. 1346 Taihu Avenue, Changxing County economic and Technological Development Zone, Zhejiang Patentee after: Zhejiang Xinghai Energy Technology Co.,Ltd. Address before: 313100 Zhejiang city of Huzhou province Changxing County economic and Technological Development Zone Taihu Road No. 1346 Zhejiang Xinghai Energy Technology Co. Patentee before: Xu Aokui |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxin Economic Development Zone, Zhejiang, Huzhou Patentee after: ZHEJIANG XINGHAI ENERGY TECHNOLOGY CO., LTD. Address before: 313100 No. 1346 Taihu Avenue, Changxing County economic and Technological Development Zone, Zhejiang Patentee before: Zhejiang Xinghai Energy Technology Co.,Ltd. |