CN209001041U - Battery winding needle - Google Patents
Battery winding needle Download PDFInfo
- Publication number
- CN209001041U CN209001041U CN201822007977.2U CN201822007977U CN209001041U CN 209001041 U CN209001041 U CN 209001041U CN 201822007977 U CN201822007977 U CN 201822007977U CN 209001041 U CN209001041 U CN 209001041U
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- CN
- China
- Prior art keywords
- needle
- volume
- cross
- section
- battery winding
- Prior art date
- 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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- 238000004804 winding Methods 0.000 title claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
- 230000008602 contraction Effects 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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
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- Secondary Cells (AREA)
Abstract
The utility model belongs to battery production equipment technical field, more particularly to a kind of battery winding needle, the first volume needle assemblies and volume Two needle assemblies being overlapped including rear contact surface can be bonded to each other, the first volume needle assemblies include first volume needle, told volume Two needle assemblies include volume Two needle, during separating/closing up axially movable, the volume Two needle is under the influence of the first rake toward radial contraction/extensional motion for the first volume needle and volume Two needle.Volume Two needle in the utility model reduces cross-sectional area by optimal setting to greatest extent, effectively reduces the frictional force in extraction process with diaphragm；After volume Two needle detaches, the gap of first volume needle and diaphragm becomes larger, frictional force becomes smaller, first volume needle also smoothly detaches, it avoids battery battery core and takes out diaphragm phenomenon, first volume needle pushes edge to during detaching, by diaphragm to greatest extent, core diaphragm center hole reaming effect is effectively played, to effectively increase rear operation yield rate.
Description
Technical field
The utility model belongs to battery production equipment technical field, and in particular to a kind of battery winding needle.
Background technique
Battery winding needle is used to for electrode slice and diaphragm material to be rolled into the battery battery core of particular size, with the variation in market,
In order to promote the performance and capacity of battery, equally also for security consideration, the diaphragm material of use is more and more thinner, it is opposite for
The requirement for rolling up needle is also higher and higher；And in the production process of battery core, the diaphragm material and volume needle of battery core are completely attached to, in electricity
Core will result in very big frictional force when being detached from volume needle, and diaphragm extraction (core pulling is easy to appear when causing battery core to extract
Phenomenon), cause such battery to be scrapped, causes a large amount of waste.Existing battery winding needle also can not be to core diaphragm center hole
Play the role of reaming.
Utility model content
The purpose of the utility model is to provide a kind of frictional force reduced during volume needle detaches with diaphragm, avoid battery electric
There is the battery winding needle of core pulling problem in core.
The embodiment of the utility model are as follows: provide a kind of battery winding needle, first be overlapped including rear contact surface can be bonded to each other
It rolls up needle assemblies and volume Two needle assemblies, the first volume needle assemblies includes first volume needle, told volume Two needle assemblies include second
Needle is rolled up, the first volume needle cross-sectional area is greater than volume Two needle cross-sectional area under same section, which is characterized in that the first volume
Cross section includes the first cross section and the second cross section in needle, and cross section includes third cross section and the 4th in the volume Two needle
Cross section, first cross section are transitioned into the second cross section by the first rake, and the volume needle of second cross-section is thick
Degree is greater than first cross-section and rolls up needle thickness, and the first volume needle and volume Two needle are separating axially movable/closing up
Cheng Zhong, the volume Two needle is under the influence of the first rake toward radial contraction/extensional motion.
Preferably, the second cross section of the first volume needle is equipped with the long cross section for clamping the 1mm wide of diaphragm.
Preferably, there are diaphragm gaps between first cross section and the 4th cross section.
Preferably, the battery winding needle is polygonal column or cylindrical-shaped structure, first volume needle cross section and described
Volume Two needle cross section is arched.
Preferably, the third cross section of the volume Two needle connects the 4th cross section, the 4th cross section by straight trough
Place's volume needle thickness is greater than the first cross-section and rolls up needle thickness.
Preferably, the first volume needle assemblies further include the first connector for being connected to the first volume needle head end, described
Volume Two needle assemblies further include the second connector for being connected to the volume Two needle head end.
Preferably, the volume needle of first volume needle end is upper diameter is big, lower diameter is small frustum cone structure, described the
The second rake is equipped between two cross sections and the frustum cone structure.
Preferably, the third cross section of the volume Two needle is the inclined-plane being tilted a certain angle.
Preferably, volume Two needle end is equipped with third rake.
The utility model has the following beneficial effects:
1. cross section includes the first cross section and the second cross section, cross section in the volume Two needle in the first volume needle
Including third cross section and the 4th cross section, first cross section is transitioned into the second cross section by the first rake, described
The volume needle thickness of second cross-section is greater than first cross-section and rolls up needle thickness, and the first volume needle and volume Two needle are on edge
During axial movement separates/closes up, the volume Two needle past radial contraction/extensional motion under the influence of the first rake, the
The needles of volume two move during detaching toward radial contraction, reduce the contact area with diaphragm, can go out in this way to avoid battery battery core
The problem of existing core pulling.
2. first volume needle is during detaching, by the rake of first volume needle, push diaphragm to side, diaphragm center hole
Expansion is circle, effectively plays the role of core diaphragm center bore expansion, then effectively increases the yield rate of subsequent handling.
Detailed description of the invention
Fig. 1 is the utility model battery winding needle overall structure diagram.
Fig. 2 is the utility model battery winding needle structural decomposition diagram.
Fig. 3 is the partial enlargement diagram in Fig. 1 at A.
Fig. 4 is the structural schematic diagram of the utility model first volume needle.
Fig. 5 is the sectional view in Fig. 4 at B-B.
Fig. 6 is the structural schematic diagram of the utility model volume Two needle.
Fig. 7 is the sectional view in Fig. 6 at C-C.
Fig. 8 is the diagrammatic cross-section after the assembly of the utility model battery winding needle.
Fig. 9 is the partial enlargement diagram in Fig. 8 at D.
First volume needle 11, the first cross section 111, the second cross section 112, the first rake 113, the second rake 114,
The long cross section 115 of 1mm wide, the first connector 13, the first stopper 12, volume Two needle 21, third cross section the 211, the 4th are transversal
Face 212, straight trough 213, third rake 214, the second connector 23, the second stopper 22, diaphragm gap 30.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing:
It please refers to shown in Fig. 1 to Fig. 6, the utility model provides a kind of battery winding needle, including contacts after being bonded to each other
The first volume needle assemblies and volume Two needle assemblies that face is overlapped, the first volume needle assemblies include first volume needle 11, told volume Two
Needle assemblies include volume Two needle 21, and 11 cross-sectional area of first volume needle is greater than 21 cross-sectional area of volume Two needle under same section,
Cross section includes the first cross section 111 and the second cross section 112, cross section in the volume Two needle 21 in the first volume needle 11
Including third cross section 211 and the 4th cross section 212, first cross section 111 is transitioned into second by the second rake 114
Cross section 112, the volume needle thickness at second cross section 112, which is greater than at first cross section 111, rolls up needle thickness, and described the
During separating/closing up axially movable, the volume Two needle 21 is in the second rake 114 for a roll of needle 11 and volume Two needle 21
Under the influence of toward radial contraction/extensional motion.
It please refers to shown in Fig. 8 and Fig. 9, in the second transversal of first volume needle 11 after the first volume needle and the assembly of volume Two needle
The long cross section 115 for clamping the 1mm wide of diaphragm is formed on face 112.
There are diaphragm gaps 30 between first cross section 111 and the 4th cross section 212.
The battery winding needle is polygonal column or cylindrical-shaped structure, 11 cross section of first volume needle and the volume Two
21 cross section of needle is arched.
The third cross section 211 of the volume Two needle 21 connects the 4th cross section 212 by straight trough 213, and the described 4th is horizontal
Needle thickness is rolled up at section 212 is greater than volume needle thickness at the first cross section 111.
11 component of first volume needle further includes the first connector 13 for being connected to 11 head end of first volume needle, and first connects
Fitting end is connected with the first stopper 12, and 21 component of volume Two needle further includes be connected to 21 head end of volume Two needle second
Connector 23, the second connector end are connected with the second stopper 22.
The volume needle of 11 end of first volume needle is the frustum cone structure that upper diameter is big, lower diameter is small, and described second is horizontal
The second rake 114 is equipped between section 112 and the frustum cone structure.The volume needle of 11 end of first volume needle may be circle
Pyramidal structure.
The third cross section 211 of the volume Two needle 21 is the inclined-plane being tilted a certain angle.
21 end of volume Two needle is equipped with third rake 214.Third rake 214 inclines with the second rake 114
Rake angle is identical.
Cross section includes the first cross section 111 and the second cross section 112, cross in the volume Two needle in the first volume needle
Section includes third cross section 211 and the 4th cross section 212, and first cross section 111 is transitioned by the first rake 113
Second cross section 112, the volume needle thickness at second cross section 112, which is greater than at first cross section 111, rolls up needle thickness, institute
First volume needle 11 and volume Two needle 21 are stated during separating/closing up axially movable, the volume Two needle 21 is in the first inclination
Toward radial contraction/extensional motion under the influence of portion 113, volume Two needle 21 is moved during detaching toward radial contraction, reduce with every
The contact area of film the problem of core pulling can occur in this way to avoid battery battery core.
First volume needle 11 is during detaching, and by the rake of first volume needle 11, pushes diaphragm to side, diaphragm center
Bore expansion is circle, effectively plays the role of core diaphragm center bore expansion, then effectively increases the finished product of subsequent handling
Rate.
The above is only the preferred embodiment of the present invention, it is all done according to the utility model claims range it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model claims.
Claims (9)
1. a kind of battery winding needle, the first volume needle assemblies and volume Two needle assemblies being overlapped including rear contact surface can be bonded to each other, institute
Stating first volume needle assemblies includes first volume needle, and told volume Two needle assemblies include volume Two needle, the first volume under same section
Needle cross-sectional area is greater than volume Two needle cross-sectional area, which is characterized in that cross section includes the first cross section in the first volume needle
With the second cross section, cross section includes third cross section and the 4th cross section in the volume Two needle, and first cross section is logical
It crosses the first rake and is transitioned into the second cross section, the volume needle thickness of second cross-section is rolled up greater than first cross-section
Needle thickness, during separating/closing up axially movable, the volume Two needle inclines first for the first volume needle and volume Two needle
Toward radial contraction/extensional motion under the influence of inclined portion.
2. battery winding needle according to claim 1, which is characterized in that the second cross section of the first volume needle, which is equipped with, to be used
In the long cross section for the 1mm wide for clamping diaphragm.
3. battery winding needle according to claim 1, which is characterized in that deposited between first cross section and the 4th cross section
In diaphragm gap.
4. battery winding needle according to claim 1, which is characterized in that the battery winding needle is polygonal column or cylindric
Structure, first volume needle cross section and volume Two needle cross section are arched.
5. battery winding needle according to claim 1, which is characterized in that the third cross section of the volume Two needle passes through straight trough
The 4th cross section is connected, the 4th cross-section volume needle thickness is greater than the first cross-section and rolls up needle thickness.
6. battery winding needle according to claim 1, which is characterized in that the first volume needle assemblies further include be connected to it is described
First connector of first volume needle head end, the volume Two needle assemblies further include being connected to the second of the volume Two needle head end to connect
Fitting.
7. battery winding needle according to claim 1, which is characterized in that the volume needle of first volume needle end is upper diameter
Greatly, the small frustum cone structure of lower diameter is equipped with the second rake between second cross section and the frustum cone structure.
8. battery winding needle according to claim 1, which is characterized in that the third cross section of the volume Two needle is inclination one
Determine the inclined-plane of angle.
9. battery winding needle according to claim 1, which is characterized in that volume Two needle end is equipped with third rake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007977.2U CN209001041U (en) | 2018-12-03 | 2018-12-03 | Battery winding needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822007977.2U CN209001041U (en) | 2018-12-03 | 2018-12-03 | Battery winding needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001041U true CN209001041U (en) | 2019-06-18 |
Family
ID=66808210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822007977.2U Active CN209001041U (en) | 2018-12-03 | 2018-12-03 | Battery winding needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209001041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115084628A (en) * | 2022-08-19 | 2022-09-20 | 江苏时代新能源科技有限公司 | Winding needle and winding device |
-
2018
- 2018-12-03 CN CN201822007977.2U patent/CN209001041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115084628A (en) * | 2022-08-19 | 2022-09-20 | 江苏时代新能源科技有限公司 | Winding needle and winding device |
| CN115084628B (en) * | 2022-08-19 | 2022-11-22 | 江苏时代新能源科技有限公司 | Winding needle and winding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240109 Address after: A309, Area AB, 3rd Floor, Building A, Tengfei Industrial Building, No. 6 Taohua Road, Fubao Community, Futian District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen De Lang Neng Haineng Technology Co.,Ltd. Address before: 518000 zone a, floor 3, building 1, Baoshan fourth industrial zone, Pingshan street, Pingshan District, Shenzhen, Guangdong Patentee before: SHENZHEN CHUANGLIAN ZHIKONG NEW ENERGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |