CN201440435U - Winding needle for making winded core of rectangular secondary battery - Google Patents
Winding needle for making winded core of rectangular secondary battery Download PDFInfo
- Publication number
- CN201440435U CN201440435U CN2009201305675U CN200920130567U CN201440435U CN 201440435 U CN201440435 U CN 201440435U CN 2009201305675 U CN2009201305675 U CN 2009201305675U CN 200920130567 U CN200920130567 U CN 200920130567U CN 201440435 U CN201440435 U CN 201440435U
- Authority
- CN
- China
- Prior art keywords
- main body
- body sheet
- sheet
- 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
Links
- 238000004804 winding Methods 0.000 title abstract 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910018095 Ni-MH Inorganic materials 0.000 description 2
- 229910018477 Ni—MH Inorganic materials 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
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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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a winding needle for making the winded core of a rectangular secondary battery. The winding needle comprises a winding needle base station, a plate type main body piece arranged on the winding needle base station and a cover body piece overlapped with the main body piece. The winding needle is characterized in that at least an air guiding groove is formed on the main body piece and the cover body piece along the length direction. The winding needle with the design has the advantages that the contact area between the surface of the winding needle and external diaphragm is reduced, and the friction between the surface of the winding needle and the external diaphragm is reduced, thereby reducing the residual pole piece dust on the first layer of the winded core of the secondary battery and improving the production efficiency.
Description
Technical field
The utility model relates to the frock clamp in the battery production, relates in particular to a kind of volume pin that rectangular secondary cell volume core is made that is used for.
Background technology
In rectangular secondary cell was produced, the volume pin was the necessary frock clamp of electric core of reeling, and its effect is positive/negative plate to be separated and twines by volume pin and barrier film to make up the rolling core when the electric core of assembling.
The volume pin that uses in the prior art, the plank frame of employing surfacing.This structure because secondary cell volume pin and barrier film are close to, makes the pole piece dust easily remain in the first floor position of secondary cell volume core when positive and negative plate makes up, and causes the micro-short circuit of secondary cell volume core.In addition, after the coiling of secondary cell volume core was finished, secondary cell volume core was difficult for being drawn out of, and causes making efficient and reduces.
The utility model content
The purpose of this utility model is to solve above-mentioned problems of the prior art, proposes a kind of volume pin that rectangular secondary cell volume core is made that is used for.
The technical solution adopted in the utility model is a kind of volume pin that is used for the making of rectangular secondary cell volume core of design, this volume pin comprises: a volume pin base station, be arranged on flat main body sheet on the volume pin base station and the lid sheet overlapping, wherein: be provided with at least one air slot along its length on described main body sheet and the lid sheet with the main body sheet.
In a preferred embodiment of the present utility model, be provided with at least two air slots along its length on described main body sheet and the lid sheet.One end of described main body sheet be provided be used for foreign volume around two affixed location holes of motor, this middle part, distolateral limit lug that stretches out.The overlapping end of described lid sheet and main body sheet lug middle part is provided with a chimb, and the outward flange of this chimb is concordant with the corresponding edge of main body sheet, and the curved edge correspondence position of the other end of lid sheet and main body sheet open slot is provided with a location hole.
The volume pin of the utility model design can be used as the anchor clamps of the secondary cell volume core making of lithium ion battery, Ni-MH battery, nickel-cadmium cell.
Compared with prior art, the utility model adopts the secondary cell volume pin with bar shaped air slot to make battery roll core, reduced the contact area of volume wire surface and outer membrane, reduced friction between the two, rolled up residual on the first floor position of core at secondary cell thereby reduced the pole piece dust.In addition, after the coiling of secondary cell volume core was finished, secondary cell volume core was easy to be drawn out of, and has improved manufacturing efficient.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described, wherein:
Fig. 1 is the schematic diagram of main body sheet in the utility model one preferred embodiment;
Fig. 2 is the schematic diagram of lid sheet in the utility model one preferred embodiment;
Fig. 3 is the schematic diagram after the utility model main body sheet and the cover plate assembling.
Embodiment
See also Fig. 1 and Fig. 2, the volume pin that is used for the making of rectangular secondary cell volume core of the utility model design comprises: flat main body sheet 1 of cuboid and lid sheet 2.Main body sheet and lid sheet are superimposed with the clamping outer membrane and locate outside negative plate, positive plate.Along its length, the position that keeps to the side is respectively arranged with an air slot 11 on the main body sheet, and main body sheet one end is provided with two location holes 12, the marginal position lug 13 that stretches out.The other end middle part of main body sheet is provided with an open slot 14.Air slot 11 corresponding positions with the main body sheet on the lid sheet 2 are provided with two air slots 22.All length and the width with air slot 11 is identical with width for the length of this air slot 22. Air slot 11 and 22 shape can be that two ends are the strip or the square groove of circular arc.Lid sheet and lug 13 corresponding middle side parts are provided with a boss 23, the justified margin of the edge of this boss and main body sheet.The circular arc limit correspondence position of the other end of lid sheet and open slot is provided with a location hole 24.Main body sheet and lid sheet overlap the volume pin, and its correspondingly-sized is as shown in table 1.
Table 1
| The width (millimeter) of A volume pin | 12-20 | 21-30 | 31-42 | The use length (millimeter) of B volume pin | 60-70 | 90-100 |
| The width of C air slot (millimeter) | 3-5 | 5-6 | 7-9 | D air slot length (millimeter) | 50-55 | 75-85 |
Fig. 3 shows the schematic diagram after main body sheet and the assembling of lid sheet.The number of assembling steps of volume pin is as follows: at first lug 13 is inserted on the base station, then base station is fixed on the up-coiler, barrier film is hung on the main body sheet 1 again, plug lid sheet 2 again, reeled in negative plate, positive plate location at last, after finishing, extract volume pin main body sheet and lid sheet out and promptly finish the operation of volume core.
The volume pin of the utility model design can be used for making the secondary cell volume core of lithium ion battery, Ni-MH battery, nickel-cadmium cell.
For assessing effect of the present utility model, done two groups of tests, promptly adopt the volume pin of the utility model design and volume pin of the prior art respectively to make 100000 volume cores respectively and test, the related data record of test is as shown in table 2.
Table 2
| Volume core short circuit ratio | The spent average man-hours of volume core coiling | |
| Prior art secondary cell volume pin | 0.36％ | 43.8 second |
| The utility model secondary cell volume pin | 0.19％ | 40.2 second |
Above result of the test shows that the volume core short circuit ratio after the utility model assembling is controlled in 0.2%, effectively raises product percent of pass and production efficiency.
Air slot in the utility model can be designed to one as required, or many, the shape of air slot is not limit yet, and can be that two ends are the bar-shaped trough or the square groove of circular arc.
In sum, the utility model adopts the secondary cell volume pin with bar shaped air slot to make battery roll core, reduced the contact area of secondary cell volume wire surface and outer membrane, reduced friction between the two, rolled up residual on the first floor position of core at secondary cell thereby reduced the pole piece dust.In addition, after the coiling of secondary cell volume core was finished, secondary cell volume core was easy to be drawn out of, and has improved manufacturing efficient.
Claims (5)
1. one kind is used for the volume pin that rectangular secondary cell volume core is made, comprise: a volume pin base station, be arranged on flat main body sheet on the volume pin base station and the lid sheet overlapping, it is characterized in that: be provided with at least one air slot along its length on described main body sheet and the lid sheet with the main body sheet.
2. volume pin as claimed in claim 1 is characterized in that: be provided with two air slots on described main body sheet and the lid sheet along its length.
3. volume pin as claimed in claim 1 is characterized in that: an end of described main body sheet is provided with two location holes, the lug that stretches out in the middle part of this distolateral limit, and the other end middle part of main body sheet is provided with the open slot that a side opening extends along its length.
4. volume pin as claimed in claim 1, it is characterized in that: the overlapping end of described lid sheet and main body sheet lug middle part is provided with a chimb, the outward flange of this chimb is concordant with the corresponding edge of main body sheet, and the curved edge correspondence position of the other end of lid sheet and main body sheet open slot is provided with a location hole.
5. volume pin as claimed in claim 1 is characterized in that: described air slot be shaped as bar-shaped trough or the square groove that two ends are circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305675U CN201440435U (en) | 2009-04-10 | 2009-04-10 | Winding needle for making winded core of rectangular secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305675U CN201440435U (en) | 2009-04-10 | 2009-04-10 | Winding needle for making winded core of rectangular secondary battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440435U true CN201440435U (en) | 2010-04-21 |
Family
ID=42545096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201305675U Expired - Fee Related CN201440435U (en) | 2009-04-10 | 2009-04-10 | Winding needle for making winded core of rectangular secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440435U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130288115A1 (en) * | 2012-04-26 | 2013-10-31 | Medtronic, Inc. | Mandrel for electrode assemblies |
| CN104466262A (en) * | 2014-11-20 | 2015-03-25 | 合肥国轩高科动力能源股份公司 | Coiling needle of square lithium battery |
| US9130223B2 (en) | 2012-04-26 | 2015-09-08 | Medtronic, Inc. | Mandrel for electrode assemblies |
| US9356264B2 (en) | 2012-04-26 | 2016-05-31 | Medtronic, Inc. | Electrode assemblies including a mandrel and at least one insulative portion |
-
2009
- 2009-04-10 CN CN2009201305675U patent/CN201440435U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130288115A1 (en) * | 2012-04-26 | 2013-10-31 | Medtronic, Inc. | Mandrel for electrode assemblies |
| US8778521B2 (en) * | 2012-04-26 | 2014-07-15 | Medtronic, Inc. | Mandrel for electrode assemblies |
| US9130223B2 (en) | 2012-04-26 | 2015-09-08 | Medtronic, Inc. | Mandrel for electrode assemblies |
| US9356264B2 (en) | 2012-04-26 | 2016-05-31 | Medtronic, Inc. | Electrode assemblies including a mandrel and at least one insulative portion |
| US9843067B2 (en) | 2012-04-26 | 2017-12-12 | Medtronic, Inc. | Methods for electrode assemblies including at least one insulative portion |
| US9954245B2 (en) | 2012-04-26 | 2018-04-24 | Medtronic, Inc. | Mandrel for electrode assemblies |
| CN104466262A (en) * | 2014-11-20 | 2015-03-25 | 合肥国轩高科动力能源股份公司 | Coiling needle of square lithium battery |
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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: 20100421 Termination date: 20130410 |