CN201038263Y - Cylindrical battery needle and battery electrical core - Google Patents
Cylindrical battery needle and battery electrical core Download PDFInfo
- Publication number
- CN201038263Y CN201038263Y CNU2007201196113U CN200720119611U CN201038263Y CN 201038263 Y CN201038263 Y CN 201038263Y CN U2007201196113 U CNU2007201196113 U CN U2007201196113U CN 200720119611 U CN200720119611 U CN 200720119611U CN 201038263 Y CN201038263 Y CN 201038263Y
- Authority
- CN
- China
- Prior art keywords
- battery
- nucleome
- cylindrical
- winding needle
- volume pin
- 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.)
- Expired - Fee Related
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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
-
- 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 relates to a core of a columnar battery winding needle and a battery cell, solving the problems of high reject rate and low production efficiency of the prior production of battery by the battery winding needle. The utility model has the technical proposal that a columnar battery winding needle comprises a columnar winding needle and a battery cell limiting body, wherein, the columnar winding needle is inserted in the battery cell limiting body, and the surface of the columnar winding needle is provided with a convex strip in the axial direction. The core of the battery cell disclosed in the utility model is cylindrical with a lineal cut in axial direction arranged on the profile. One end of the core is provided with a U-shaped guide groove, and the other end is an internally reducing column shape. Compared with the prior art, the winding needle can be winded to cancel the structural components of an accessory winding needle, further cancel the working process of inserting the pulling out, increase the rate of finished products and distinctly improve the production efficiency. moreover, the core of the battery cell cooperating with the columnar battery winding needle can be used for cooperating with the winding needle, in order to exert the advantages of the winding needle relating to the utility model.
Description
Technical field
The utility model relates to a kind of be used to produce the battery volume pin of lithium battery and the nucleome of lithium battery electric core.
Background technology
At present, lithium battery is with high power capacity, and superior advantages such as charge-discharge performance are used in the various digital consumer electronics products widely.The cylindrical lithium battery, on the basis of the various performance advantages that possess lithium battery, with its structure type advantage, large-area use is on products such as notebook computer, electric tool again.
The cylindrical battery that uses on the existing market, the overwhelming majority is to use the mode of rolled electrode sheet to process, the volume pin style of its use at present is varied, as Chinese patent application number: 200510020899.4, name is called in the patent application document of " method for winding of cylinder type lithium ion battery cell, electric core and battery " and discloses a kind of volume pin of coiling column type lithium battery and the cylindric thing of use, the volume pin that its coiling operation is used, include master file pin, secondary volume pin and cylindric thing, structure member more complicated, corresponding operation mode are also more loaded down with trivial details.In described operating process, its secondary volume pin damages barrier film easily in inserting process.Therefore, use the production efficiency of this volume pin coiling column type lithium battery not high.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of cylindrical battery volume pin, to solve the problem that percent defective was higher, production efficiency is not high when existing battery volume pin was produced battery.
The technical problem that the utility model further solves is: provide a kind of nucleome of battery battery core, to cooperate the use of cylindrical battery volume pin of the present utility model, with solving the problem that percent defective was higher, production efficiency is not high when existing battery volume pin was produced battery.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of cylindrical battery volume pin, comprise cylindrical roll pin and battery battery core limit body, wherein roll up cushion and place the battery battery core limit body, described cylindrical roll wire surface be provided with an axial raised line.
Preferably: described cylindrical roll wire surface is provided with the air drain of axial depression.The setting of this air drain is used for reducing friction and the balance barrier film air pressure up and down between barrier film and the volume pin, can effectively prevent barrier film when the volume pin is extracted out because Electrostatic Absorption power or barrier film pressure differential and the situation that barrier film is pulled open that causes occurs up and down.
Preferably: the height of described raised line is between 0.5mm～2mm.
Preferably: the width of described raised line is 1mm.
Preferably: described battery battery core limit body is a locking cap, and locking cap is provided with volume cushion hole, and its orifice shapes matches with described volume pin cross sectional shape.
In order to solve the further technical problem to be solved of the utility model, the utility model proposes the nucleome that a kind of described cylindrical battery volume pin cooperates practical battery battery core, described nucleome is cylindric thing, there is axial linear pattern opening its side, there is the U-shaped guide groove one end of nucleome, and the other end is that interior gradually closing formula is cylindrical.
The nucleome of above-mentioned battery battery core, preferably: described nucleome surface has delivery hole, and delivery hole is used for conducting electrolyte.
Preferably: the diameter of described nucleome is between 3mm～6mm.
Preferably: the diameter of described nucleome is 4mm.
The beneficial effects of the utility model are: compared to existing technology, reel by using this volume pin, cancelled original secondary winding needle construction parts, and then cancelled its plug operation, improved rate of finished products, production efficiency obviously increases.Cooperate the nucleome of practical battery battery core can cooperate the volume pin to use with described cylindrical battery volume pin, with the advantage of performance the utility model volume pin.
Description of drawings
Fig. 1 is the utility model winding needle construction schematic diagram.
Fig. 2 is along A-A direction view among Fig. 1.
Fig. 3 is the structural representation of the nucleome of the utility model battery battery core.
Fig. 4 is along B-B direction view among Fig. 3.
Fig. 5 is to use view.
Fig. 6 is a C-C direction view among Fig. 5.
Identifier declaration among the figure: positioning cap 1, volume pin 2, air drain 20, raised line 21, volume needle handle 22, battery battery core nucleome 3, opening 30, U-shaped guide groove 31, delivery hole 32, interior gradually closing formula cylindrical end 33, put negative electrode plate barrier film 4, put electrode film barrier film 5.
Embodiment
The utility model provides the nucleome of a kind of cylindrical battery volume pin and battery battery core.
Wherein the cylindrical battery winding needle construction is referring to Fig. 1 and Fig. 2, and it comprises cylindrical roll pin 2 and battery battery core limit body, and the battery battery core limit body is the positioning cap 1 among Fig. 1.Positioning cap 1 is used for fixing volume pin 2 and nucleome 3, and it can not rocked in winding process.Wherein roll up pin 2 and be inserted in the positioning cap 1, volume pin 2 has a volume needle handle 22, cylindrical roll pin 2 surfaces be provided with an axial raised line 21.Cylindrical diameter is the 2-5 millimeter, is preferably 3 millimeters, establishes the air drain 20 of axial depression on the cylindrical roll wire surface.The air drain 20 of depression can be established as shown in Figure 2 four, also can three or other number average unrestricted.The height of raised line 21 is between 0.5mm～2mm.The width of raised line 21 is 1mm.Locking cap 1 is provided with volume cushion hole, and its orifice shapes matches with volume pin cross sectional shape.
The utility model cooperates the nucleome 3 of practical battery battery core to be cylindric thing with cylindrical battery volume pin, and there is axial linear pattern opening 30 its side, and there is U-shaped guide groove 31 end of nucleome, and the other end is interior gradually closing formula cylindrical end 33.Nucleome 3 surfaces have delivery hole 32.The diameter of nucleome 3 is between 3mm～6mm, and optimum diameter is 4mm.Nucleome 3 peripheries of volume pin 2 and cylindric thing are all smooth circular-arc for being polished into.
Use of the present utility model is used the method step of this column type lithium battery coiling pin referring to Fig. 5 and Fig. 6:
1, diaphragm case is being rolled up on the pin 2;
2, the nucleome 3 of cylindric thing is enclosed within on the master file pin with barrier film by guide groove 31, and the raised line of its lateral opening place corresponding volume pin 2;
3, positioning cap 1 being put volume pin 2 positions;
4, electrode film and negative electrode plate compartment of terrain are placed respectively put negative electrode plate barrier film 4 and put electrode film barrier film 5, reel;
5, pull up positioning cap 1, extract the nucleome 3 of cylindric thing out, promptly finish coiling.
Claims (9)
1. cylindrical battery volume pin comprises cylindrical roll pin and battery battery core limit body, wherein rolls up cushion and places the battery battery core limit body, it is characterized in that: described cylindrical roll wire surface be provided with an axial raised line.
2. cylindrical battery volume pin as claimed in claim 1, it is characterized in that: described cylindrical roll wire surface is provided with the air drain of axial depression.
3. cylindrical battery volume pin as claimed in claim 1, it is characterized in that: the height of described raised line is between 0.5mm～2mm.
4. cylindrical battery volume pin as claimed in claim 1, it is characterized in that: the width of described raised line is 1mm.
5. cylindrical battery volume pin as claimed in claim 1, it is characterized in that: described battery battery core limit body is a locking cap, and locking cap is provided with volume cushion hole, and its orifice shapes matches with described volume pin cross sectional shape.
6. nucleome that cooperates the battery battery core of practicality with the described cylindrical battery of claim 1 volume pin, it is characterized in that: described nucleome is cylindric thing, there is axial linear pattern opening its side, and there is the U-shaped guide groove end of nucleome, and the other end is that interior gradually closing formula is cylindrical.
7. the nucleome of battery battery core as claimed in claim 6, it is characterized in that: described nucleome surface has delivery hole.
8. the nucleome of battery battery core as claimed in claim 6, it is characterized in that: the diameter of described nucleome is between 3mm～6mm.
9. the nucleome of battery battery core as claimed in claim 8, it is characterized in that: the diameter of described nucleome is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201196113U CN201038263Y (en) | 2007-04-17 | 2007-04-17 | Cylindrical battery needle and battery electrical core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201196113U CN201038263Y (en) | 2007-04-17 | 2007-04-17 | Cylindrical battery needle and battery electrical core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038263Y true CN201038263Y (en) | 2008-03-19 |
Family
ID=39210783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201196113U Expired - Fee Related CN201038263Y (en) | 2007-04-17 | 2007-04-17 | Cylindrical battery needle and battery electrical core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038263Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768737A (en) * | 2017-11-24 | 2018-03-06 | 天津冶金职业技术学院 | A kind of 3mm battery electrodes core coiling frock |
| WO2023005502A1 (en) * | 2021-07-30 | 2023-02-02 | 宁德时代新能源科技股份有限公司 | Winding needle sleeve, battery cell, battery, power consuming device and winding device |
-
2007
- 2007-04-17 CN CNU2007201196113U patent/CN201038263Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768737A (en) * | 2017-11-24 | 2018-03-06 | 天津冶金职业技术学院 | A kind of 3mm battery electrodes core coiling frock |
| WO2023005502A1 (en) * | 2021-07-30 | 2023-02-02 | 宁德时代新能源科技股份有限公司 | Winding needle sleeve, battery cell, battery, power consuming device and winding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 |