CN101022174A - U type winding needle and using method thereof - Google Patents
U type winding needle and using method thereof Download PDFInfo
- Publication number
- CN101022174A CN101022174A CNA2006101572234A CN200610157223A CN101022174A CN 101022174 A CN101022174 A CN 101022174A CN A2006101572234 A CNA2006101572234 A CN A2006101572234A CN 200610157223 A CN200610157223 A CN 200610157223A CN 101022174 A CN101022174 A CN 101022174A
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- volume
- pin
- diaphragm paper
- faller gill
- width
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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
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Abstract
This invention discloses a U type rolled pin for manufacturing square cell rolled cores and its method, in which, the pin includes a rolled pin base stand set with two rolled pin sheets parallel arrayed in a certain distance and the width planes of which are at the same plane, a gas canal is set at the middle on the sheet, the top of which is a hemisphere and the surrounding is an arc-like smooth surface.
Description
Technical field
The present invention relates to be used to make the volume pin and the using method thereof of battery roll core, relate in particular to a kind of U type volume pin and using method thereof that is used to make rectangular cell volume core.
Background technology
A large amount of at present volume pins that are used to make the takeup type quadrate lithium battery that use, its volume pin is square tabular, form (with reference to Figure 14,15) by major and minor two separable volume pins 01,02, when major and minor volume pin is assemblied on the volume pin base station, both one-tenth state (with reference to Figure 16,17) that is superimposed with each other, secondary volume pin is provided with the rivet of a projection, and when pair volume pin and master file pin were superimposed, rivet was embedded in the short slot of master file pin.
During use, need extract secondary volume pin earlier, will be set to after the diaphragm paper doubling on the master file pin; Pair is rolled up cushion under the master file pin, diaphragm paper is in the middle of major and minor volume pin again; Coiling 120-150 degree turns down top one deck diaphragm paper clockwise, in the middle of two-layer diaphragm paper, positive plate lug end is inserted, and push up the top; Diaphragm paper with turnover turns back again, and the coiling half-turn inserts the negative lug end from the upper strata diaphragm paper with the volume faller gill is middle again, and pushes up the top; Reel, until pole piece coiling is intact that the positive and negative plate and the diaphragm paper of edge is bonding with gummed paper, after having reeled, rubberizing paper, positive pole, diaphragm paper, negative plate is bonding; Pull up secondary volume pin; Pinch the volume core with thumb and forefinger front, extract the volume core out.When finishing the battery roll core coiling, need be with positive plate, diaphragm paper paper and negative plate, stacked in order coiling, and in reel beginning and end operation, all will plug and unplug secondary volume pin, the spent time is many, and production efficiency is not high, and its square port and volume needle plate face easily scratch diaphragm paper paper, causes product defective.
Summary of the invention
The present invention is using existing volume pin to make battery roll core qualification rate and the not high problem of production efficiency in order to solve, and provides a kind of and can enhance productivity and the novel volume pin of qualification rate, and the using method of novel volume pin is provided.
For addressing the above problem, a kind of U type volume pin provided by the invention, it comprises a volume pin base station, two leaf length that are provided with this volume pin base station do not wait and the volume faller gill that is arranged in parallel separated by a distance, the width plane of two volume faller gills is in the same plane, and it is axially arranged with air slot in the width surface upper edge of volume faller gill.
Be implementation structure optimization, further step is:
Described air slot can be symmetrically set in the groove on its width both side surface.
The top of described volume faller gill can be for semi-circular, and the smooth surface periphery of this volume faller gill is circular-arc.
The width of described two volume faller gills can equate.
Use U type volume pin of the present invention to make battery roll core and comprise following several steps:
(a) prepare the battery roll core manufacturing materials, this material comprises: positive and negative plate and diaphragm paper;
(b) will roll up the pin base station and insert in the up-coiler, two volume faller gills will be gone to horizontal plane;
(c), be enclosed within on the volume faller gill 100 degree-150 degree of reeling clockwise from two volume faller gill gap locations with after the diaphragm paper doubling;
(d) one deck diaphragm paper above the turnover in the middle of two-layer diaphragm paper, inserts positive plate lug end, and the overhead top;
(e) diaphragm paper that turns down is turned back, the coiling half-turn inserts negative plate lug ends again, and pushes up the top in the middle of upper strata diaphragm paper and two volume faller gills again;
(f) reel, until positive and negative plate has been reeled, that the positive and negative plate and the diaphragm paper of edge is bonding with gummed paper;
(g) gently pinch the middle of battery roll core and locate, extract battery roll core out.
Can draw in the step of battery roll core making from using the present invention, in the process of coiling square battery volume core, need not plug the volume pin, compared with prior art, reduce the operating procedure of coiling battery roll core, improve production efficiency.Reduced the friction number of times of volume faller gill and diaphragm paper plug simultaneously, avoided scratching diaphragm paper, improved the qualification rate of product because of plug volume faller gill causes.The volume faller gill top of U-shaped volume pin of the present invention is semi-circular, its smooth surface periphery is circular-arc, and axially also be provided with air slot along it in the middle of the volume faller gill, this structural design makes when battery roll core takes off from rolling up faller gill, volume position, faller gill corner can not scratch diaphragm paper paper, has guaranteed that further product can not sustain damage.The present invention simultaneously also possesses easy and simple to handle, makes simple advantage.
Description of drawings
The present invention is described further below in conjunction with drawings and Examples, wherein:
Fig. 1 is the front view of preferred embodiment of the present invention;
Fig. 2 is the upward view of preferred embodiment of the present invention;
Fig. 3 is the right view of preferred embodiment of the present invention;
Fig. 4 to Figure 13 makes volume core battery schematic flow sheet for using the good embodiment of the present invention;
Figure 14 is the major and minor volume pin of an existing structure released state front view;
Figure 15 is Figure 14 right view;
Figure 16 is the major and minor volume pin of an existing structure assembled state front view;
Figure 17 is Figure 16 right view.
Embodiment
Fig. 1,2 shows the basic structure of U type volume pin of the present invention preferred embodiment, a kind of U type volume pin that is used to make battery roll core, the volume pin base station 1 that comprises a band installation shaft 20, volume pin base station 1 is provided with through hole 9, the installation shaft of volume pin base station 1 is used to be inserted in up-coiler, and by the through hole 9 usefulness screws on the volume pin base station 1 be fixed (with reference to Fig. 3).The plane of volume pin base station 1 relative installation shaft is provided with two volume faller gills that are arranged in parallel, 2, two volume faller gills and keeps at a certain distance away, and the width plane of two volume faller gills is in the same plane.Two volume faller gill 2 length are unequal.The width of volume faller gill 2 is gmm-12mm, and length is 60mm-120mm, and two volume faller gill 2 length differences are 8mm-20mm, and distance is 3mm-5mm between two volume faller gills 2.In the present embodiment, two volume faller gills 2 are got maximum and are made, long paper faller gill 8 long 120mm, and short volume faller gill 7 long 100mm, width all is 12mm, the distance between long paper faller gill 8 and the short volume faller gill 7 is 5mm.Adopt the volume faller gill 8,7 that one is long and the other is short, diaphragm paper can be inserted near long paper faller gill 8 during generation, promptly long paper faller gill 8 obviously plays the effect that imports diaphragm paper, makes convenient to operation.If two volume faller gills are equally long, because interval between the two is very little, only are about 4mm, inconvenience when being inserted in U type volume pin making battery roll core wastes time, and also damages diaphragm paper easily.
As shown in figures 1 and 3, it is axially arranged with air slot 3 in the width surface upper edge of volume faller gill 2.In the present embodiment, this air slot is to be symmetrically set in the groove that not having on its width both side surface connects.Air slot 3 is rectangle, the length of air slot and width can decide according to volume faller gill size, general width is comparatively more suitable than volume faller gill 2 narrow 1.5-2mm, length can complete vertically setting, also can be than about the short 10mm of volume faller gill (seeing also the air slot among Fig. 4, Fig. 6), as long as when guaranteeing the coiling battery roll core, this air slot and atmosphere conducting just can.If the volume faller gill is not provided with air slot, when using U type volume pin to make battery roll core, because diaphragm paper is very thin, closely be adsorbed in easily under the effect of atmosphere on the volume faller gill, when coiling finishes when taking off battery roll core, be easy to pull out the core material of volume core, and produce waste product.Volume faller gill of the present invention has been symmetrical arranged air slot, and this air slot and atmosphere conducting make diaphragm paper can closely not be adsorbed on the volume faller gill, thus be easy to take out U type volume pin, so that guarantee the quality of product.
Make battery roll core 10, need use positive and negative plate 4,5 and diaphragm paper 6, limit, reach easy scratch, scratch because of diaphragm paper 6 is subjected to thickness and material.For guaranteeing that diaphragm paper 6 can not scratch because of the corner angle of volume faller gill 2 peripheries, volume faller gill 2 tip designs are semi-circular, and the 2 peripheral reconditionings of volume faller gill are circular-arc, roll up faller gill 2 surfaces simultaneously and keep smooth.
Fig. 4 to Figure 13 makes the schematic flow sheet of battery roll core 10 for using U type volume pin, and it uses step to be:
(1) prepare battery roll core 10 manufacturing materials, this material comprises: positive and negative plate 4,5 and diaphragm paper 6;
(2) installation shaft 20 that will roll up pin base station 1 is inserted in the up-coilers and is screwed, and two volume faller gills 2 are gone to horizontal plane;
(3), be enclosed within (with reference to Fig. 4,5) on the long paper faller gill 8 from two volume faller gill 2 gap locations, 100 degree-150 degree (with reference to Fig. 6,7) of reeling clockwise with after diaphragm paper 6 doublings;
(4) one deck diaphragm paper 6 above the turnover in the middle of two-layer diaphragm paper 6, inserts positive plate 4 lug ends, and overhead top (with reference to Fig. 8);
(5) again the diaphragm paper 6 that turns down is turned back (with reference to Fig. 9), the coiling half-turn inserts negative plate 5 lug ends again, and pushes up top (with reference to Figure 10) in the middle of upper strata diaphragm paper 6 and two volume faller gills 2;
(6) drive coiling (with reference to Figure 11) by up-coiler, finish (with reference to Figure 12) until positive and negative plate 4,5 is reeled, the positive and negative plate 4,5 and the diaphragm paper 6 usefulness gummed papers of edge are bonding;
(7) gently pinch the middle of battery roll core 10 with singlehanded thumb and forefinger 30 and locate,, extract battery roll core 10 out, promptly finish the coiling operation with respect to the gap location (with reference to Figure 13) of two volume faller gills 2.
Get the positive and negative plate and the diaphragm paper of production line pre-wound, (battery size is the battery roll core of making same model: BK063048AF).Divide two groups to test, first group with existing volume pin, for the volume pin of major and minor two volume faller gills, gets 100 positive plates, 100 negative plates, 100 diaphragm papers, reels 100 and roll up cores; Second group with U type of the present invention volume pin, gets 100 positive plates, 100 negative plates, 100 diaphragm papers, reels 100 and roll up cores.
First group of 100 volume core accumulative total institute's time spent of reeling of result of the test are 2840 seconds, and be 28.4 seconds the standard work force of average single volume core; Second group of 100 volume core accumulative total institute's time spent of reeling is 2520 seconds, and be 25.2 seconds the standard work force of average single volume core, and the existing volume pin of winding efficiency has improved 10.6%.The electric core that coiling is finished is tested its short-circuit conditions respectively, and first group is that short circuit ratio is that 5%, the second group of short circuit ratio is 0%.The result can learn thus, and U type volume pin of the present invention and the method for using this volume pin to reel have higher production efficiency, and can prevent effectively that diaphragm paper from scratching the probability that causes the battery roll core short circuit, have reduced the potential safety hazard of battery.
Drawn by operating procedure and result of the test, compared with prior art, the present invention has improved production efficiency, has increased qualification rate.In making the battery roll core process, reduced the friction number of times of volume faller gill and diaphragm paper paper, to have avoided scratching diaphragm paper paper because of plug volume faller gill causes, product percent of pass is improved, and the present invention simultaneously also possesses easy and simple to handle, makes simple advantage.
Claims (8)
1, a kind of U type volume pin, comprise a volume pin base station (1), it is characterized in that, two leaf length that are provided with described volume pin base station (1) do not wait and the volume faller gill (2) that is arranged in parallel separated by a distance, the width plane of two volume faller gills (2) is in the same plane, and it is axially arranged with air slot (3) in the width surface upper edge of volume faller gill (2).
2, U type volume pin as claimed in claim 1 is characterized in that described air slot (3) is for being symmetrically set in the groove on its width both side surface.
3, U type volume pin as claimed in claim 1 is characterized in that the top of described volume faller gill (2) is semi-circular, and the smooth surface periphery of this volume faller gill (2) is circular-arc.
4, U type volume pin as claimed in claim 1 is characterized in that the width of described two volume faller gills (2) equates.
5, a kind of using method of the type of U according to claim 1 volume pin is characterized in that the step of use is as follows:
(a) manufacturing materials of preparation battery roll core (10), this material comprises: positive and negative plate (4,5) and diaphragm paper (6);
(b) will roll up pin base station (1) and pack in the up-coiler, two volume faller gills (2) will be gone to horizontal plane;
(c), be enclosed within on the volume faller gill (8) 100 degree-150 degree of reeling clockwise from two gap locations of rolling up faller gills (2) with after diaphragm paper (6) doubling;
(d) one deck diaphragm paper (6) above the turnover, in the middle of two-layer diaphragm paper (6), with the lug end insertion of positive plate (4), and the overhead top;
(e) diaphragm paper (6) that turns down is turned back, the coiling half-turn inserts from the middle lug end with negative plate (5) of upper strata diaphragm paper (6) and two volume faller gills (2), and pushes up the top again;
(f) reel, until positive and negative plate (4,5) has been reeled, that the positive and negative plate (4,5) and the diaphragm paper (6) of edge is bonding with gummed paper;
(g) pinch the middle of battery roll core (10) and locate, extract battery roll core (10) out.
6, as the using method of U type volume pin as described in the claim 5, it is characterized in that the air slot (3) on the described volume faller gill is for being symmetrically set in the groove on its width both side surface.
7, as the using method of U type volume pin as described in the claim 5, it is characterized in that the width of described two volume faller gills (2) equate.
8, as the using method of U type volume pin as described in the claim 5, it is characterized in that the top of described volume faller gill (2) is semi-circular, the smooth surface periphery of this volume faller gill (2) is circular-arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101572234A CN101022174A (en) | 2006-11-30 | 2006-11-30 | U type winding needle and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101572234A CN101022174A (en) | 2006-11-30 | 2006-11-30 | U type winding needle and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101022174A true CN101022174A (en) | 2007-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101572234A Pending CN101022174A (en) | 2006-11-30 | 2006-11-30 | U type winding needle and using method thereof |
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| CN (1) | CN101022174A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290606A (en) * | 2011-01-10 | 2011-12-21 | 惠州市德赛聚能电池有限公司 | Dual-winding needle for manufacturing lithium battery and using method thereof |
| CN102931441A (en) * | 2012-10-31 | 2013-02-13 | 湖北宇隆新能源有限公司 | Method for winding multi-pole-piece lithium battery winding core |
| CN105428096A (en) * | 2016-01-13 | 2016-03-23 | 湖南艾华集团股份有限公司 | Winding apparatus of flat core cladding, and winding process |
-
2006
- 2006-11-30 CN CNA2006101572234A patent/CN101022174A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290606A (en) * | 2011-01-10 | 2011-12-21 | 惠州市德赛聚能电池有限公司 | Dual-winding needle for manufacturing lithium battery and using method thereof |
| CN102290606B (en) * | 2011-01-10 | 2014-04-23 | 惠州亿纬锂能股份有限公司 | Using method of dual-winding needle for manufacturing lithium battery |
| CN102931441A (en) * | 2012-10-31 | 2013-02-13 | 湖北宇隆新能源有限公司 | Method for winding multi-pole-piece lithium battery winding core |
| CN102931441B (en) * | 2012-10-31 | 2015-10-07 | 湖北宇隆新能源有限公司 | A kind of method for winding of multi-pole-piece lithium battery coiling core |
| CN105428096A (en) * | 2016-01-13 | 2016-03-23 | 湖南艾华集团股份有限公司 | Winding apparatus of flat core cladding, and winding process |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |