CN103107354A - Core shaft type battery winding device, winding method and battery manufacturing method - Google Patents
Core shaft type battery winding device, winding method and battery manufacturing method Download PDFInfo
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- CN103107354A CN103107354A CN2013100431559A CN201310043155A CN103107354A CN 103107354 A CN103107354 A CN 103107354A CN 2013100431559 A CN2013100431559 A CN 2013100431559A CN 201310043155 A CN201310043155 A CN 201310043155A CN 103107354 A CN103107354 A CN 103107354A
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- mandrel
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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
The invention discloses a core shaft type battery winding device which comprises a core shaft and an auxiliary winding needle which can assist in diaphragm pre-winding for the core shaft, wherein the assisting winding needle is used for clamping a diaphragm with the core shaft and can synchronously rotate with the core shaft, the diaphragm is wound on the outer ring of the core shaft, and the assisting winding needle is draw after the diaphragm is wound by preset turns. The invention discloses a core shaft type battery winding method which comprises process of the diaphragm pre-winding, pole piece entering and electric core winding, and the diaphragm pre-winding process comprises the steps that: the assisting winding needle is used for clamping the diaphragm with the core shaft and can synchronously rotate with the core shat, the diaphragm is wound on the outer ring of the core shaft, and the assisting winding needle is draw after the diaphragm is wound by the preset turns. The invention discloses a battery manufacturing method, the core shaft type battery winding method is used for winding the electric core. According to the invention, the core shaft is wound, so that a hot weld hardening problem is avoided, the security of a battery is guaranteed, the manufacture of the core shaft is simplified, and the cost is reduced.
Description
Technical field
The present invention relates to battery and make the field, particularly relate to a kind of mandrel type coiling apparatus for battery, method for winding and battery production method.
Background technology
The cylindrical batteries form mainly contains two kinds at present, and a kind of is to adopt volume pin winding method to make, and after coiling was completed, the volume pin separated with the volume core; Another is to adopt the mandrel winding method, reels as the basis take mandrel, and after coiling was completed, mandrel was stayed in battery.Reel for mandrel type, all adopt at present the initial winding method on mandrel with the barrier film hot weld, this mode require to contain on mandrel can hot melt material, this has increased difficulty for the making mandrel, and the barrier film hot weld can produce the plastic hardening phenomenon on mandrel, and fail safe, the capacity of battery had certain impact.
Summary of the invention
An object of the present invention is the deficiency for existing mandrel type winding method, a kind of heat weldable mandrel type coiling apparatus for battery that do not need is provided.
Another purpose is to provide a kind of heat weldable mandrel type battery winding method that do not need.
Another purpose is to provide a kind of battery production method.
For achieving the above object, the present invention is by the following technical solutions:
A kind of mandrel type coiling apparatus for battery, comprise that mandrel and auxiliary described mandrel carry out the auxiliary volume pin of the pre-volume of barrier film, described auxiliary volume pin is used for clamping barrier film together with described mandrel, with described mandrel synchronous rotary, barrier film is wrapped in the outer ring of described mandrel, is wound to after pre-fixing turn described auxiliary volume pin and extracts out.
Can further adopt following technical schemes:
Described auxiliary volume pin is semicircle.
Described pre-fixing turn is 1.25 circle-1.75 circles.
Comprise that also auxiliary described mandrel carries out the auxiliary pressing wheel of the pre-volume of barrier film, described auxiliary pressing wheel is used for compressing the barrier film on described mandrel.
Also comprise be used to the two ends of inserting described mandrel to fix a pair of top of described mandrel.
A kind of mandrel type battery winding method, comprise that barrier film rolls up, enters the process of pole piece and electric core winding in advance, during pre-volume barrier film, use auxiliary volume pin to be used for clamping barrier film together with mandrel, with described mandrel synchronous rotary, barrier film is wrapped in the outer ring of described mandrel, is wound to and extracts described auxiliary volume pin after pre-fixing turn out.
Can further adopt following technical schemes:
The pre-volume of described barrier film comprises following steps:
Described auxiliary volume pin stretches out, and clamps barrier film together with described mandrel;
Described mandrel and described auxiliary volume pin synchronous rotary drive the outer ring that barrier film is wrapped in described mandrel;
When being wound to pre-fixing turn, described auxiliary volume pin is extracted out, and described mandrel continues to reel, and completes barrier film and rolls up in advance.
Described pre-fixing turn is 1.25 circle-1.75 circles.
Described auxiliary volume pin is semicircle.
Described auxiliary volume pin stretches out auxiliary pressing wheel and pushes down barrier film before extracting out, when completing barrier film and rolling up in advance, returns described auxiliary pressing wheel.
A kind of battery production method comprises the step according to described mandrel type battery winding method coiling battery core.
Useful technique effect of the present invention:
Adopt auxiliary volume pin compression barrier film to carry out barrier film and roll up in advance, replace in prior art, the barrier film hot weld being rolled up on mandrel in advance, simplified the making of mandrel, reduced cost, and the problem of hot weld sclerosis can not occur, guaranteed the fail safe of battery.In addition, in the preferred embodiment of the invention, adopt semicircle auxiliary volume pin, extract the auxiliary pin of rolling up when volume is to the specific number of turns in advance out at barrier film, and the coiling of completing battery core with auxiliary pressing wheel auxiliary central spindle, these measures all further improve the coiling effect, guarantee that the elasticity of battery core is consistent, improve the quality of battery core.
Description of drawings
Fig. 1 mandrel type battery core schematic diagram (not comprising lug);
The thimble fixed core shaft type battery core schematic diagram (not comprising lug) of Fig. 2 an embodiment of the present invention; The winding element location diagram of Fig. 3 an embodiment of the present invention;
The barrier film of Fig. 4 an embodiment of the present invention is rolled up schematic diagram in advance;
The coiling schematic diagram of Fig. 5 an embodiment of the present invention;
The three station action schematic diagrames of Fig. 6 an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.Should be emphasized that, following explanation is only exemplary, rather than in order to limit the scope of the invention and to use.
Consult Fig. 3 to Fig. 6, in some embodiments, a kind of mandrel type coiling apparatus for battery comprises that mandrel 1 and auxiliary described mandrel 1 carry out the auxiliary volume pin 3 of barrier film 10 pre-volumes, described auxiliary volume pin 3 is used for clamping barrier film together with described mandrel, with described mandrel 1 synchronous rotary, barrier film is wrapped in the outer ring of described mandrel 1, is wound to after pre-fixing turn described auxiliary volume pin and extracts out.
Preferably, described auxiliary volume pin 3 is semicircle.
Preferably, described pre-fixing turn is 1.25 circle-1.75 circles.
Preferably, the mandrel type coiling apparatus for battery also comprises auxiliary pressing wheel 4, and auxiliary pressing wheel 4 is used for compressing the barrier film on described mandrel, thereby auxiliary described mandrel 3 carries out barrier film.When barrier film is rolled up in advance, can control auxiliary pressing wheel 4 and stretch out and draw close mandrel 3, or return from mandrel 3.
Preferably, the mandrel type coiling apparatus for battery also comprises a pair of top 2, before the pre-volume of barrier film, can control top 2 and insert the two ends of described mandrels 3 with fixing described mandrel 3.
Consult Fig. 3 to Fig. 6, in some embodiments, a kind of mandrel type battery winding method, comprise that barrier film rolls up, enters the process of pole piece and electric core winding in advance, during pre-volume barrier film, use auxiliary volume pin 3 to be used for clamping barrier film 10 together with mandrel 1, with described mandrel 1 synchronous rotary, barrier film is wrapped in the outer ring of described mandrel, is wound to and extracts described auxiliary volume pin after pre-fixing turn out.
Preferably, the pre-volume of described barrier film comprises following steps:
Described auxiliary volume pin stretches out, and clamps barrier film together with described mandrel;
Described mandrel and described auxiliary volume pin synchronous rotary drive the outer ring that barrier film is wrapped in described mandrel;
When being wound to pre-fixing turn, described auxiliary volume pin is extracted out, and described mandrel continues to reel, and completes barrier film and rolls up in advance.
Preferably, described pre-fixing turn is 1.25 circle-1.75 circles.
Preferably, described auxiliary volume pin is semicircle.
Preferably, described auxiliary volume pin stretches out auxiliary pressing wheel 4 and pushes down barrier film before extracting out, when completing barrier film and rolling up in advance, returns described auxiliary pressing wheel 4.
In a specific embodiment, after method for winding also is included in the pre-volume of barrier film, implement the steps such as pole piece, electric core winding, barrier film cut-out, pole piece ending and battery core rubberizing.
The coiling job step specifically can comprise:
(1) top 2 two ends of inserting mandrel 1, fixed central spindle 1;
(2) auxiliary volume pin 3 stretches out, and clamps barrier film 10 together with mandrel;
(3) mandrel 1 and auxiliary volume pin 3 synchronous rotaries, drive the outer ring that barrier film 10 is wrapped in mandrel 1;
(4) be wound to a fixing turn, auxiliary pressing wheel 4 stretches out, and pushes down barrier film 10;
(5) auxiliary volume pin 3 is extracted out, and mandrel 1 continues to reel, and tightens up barrier film 10;
(6) auxiliary pressing wheel 4 is return after tightening up the barrier film requirement reaching, and battery core is proceeded to reel.
Preferably, method for winding preferably includes three stations, is respectively the first station 20, the second stations 30 and the 3rd station 40, and step (1) is completed at the first station 20, and step (2) to step (6) is completed at the second station 30.
Preferably, carry out at the second station 30 that barrier film is rolled up in advance, pole piece is rolled up in advance and reels, carry out the rubberizing blanking of battery core at the 3rd station 40.
According to some embodiment, a kind of battery production method also is provided, comprise the step of the mandrel type battery winding method coiling battery core of using aforementioned arbitrary embodiment.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. mandrel type coiling apparatus for battery, comprise mandrel, it is characterized in that, comprise that also auxiliary described mandrel carries out the auxiliary volume pin of the pre-volume of barrier film, described auxiliary volume pin is used for clamping barrier film together with described mandrel, with described mandrel synchronous rotary, barrier film is wrapped in the outer ring of described mandrel, be wound to after pre-fixing turn described auxiliary volume pin and extract out.
2. mandrel type coiling apparatus for battery as claimed in claim 1, is characterized in that, described auxiliary volume pin is semicircle.
3. mandrel type coiling apparatus for battery as claimed in claim 1, is characterized in that, described pre-fixing turn is 1.25 circle-1.75 circles.
4. mandrel type coiling apparatus for battery as described in the claims 1 to 3 any one, is characterized in that, comprises that also auxiliary described mandrel carries out the auxiliary pressing wheel of the pre-volume of barrier film, and described auxiliary pressing wheel is used for compressing the barrier film on described mandrel.
5. mandrel type coiling apparatus for battery as described in claim 1 to 4 any one, is characterized in that, also comprises be used to the two ends of inserting described mandrel to fix a pair of top of described mandrel.
6. mandrel type battery winding method, comprise that barrier film rolls up, enters the process of pole piece and electric core winding in advance, it is characterized in that, during pre-volume barrier film, use auxiliary volume pin to be used for clamping barrier film together with mandrel, with described mandrel synchronous rotary, barrier film is wrapped in the outer ring of described mandrel, be wound to and extract described auxiliary volume pin after pre-fixing turn out.
7. mandrel type battery winding method as claimed in claim 6, is characterized in that, the pre-volume of described barrier film comprises following steps:
Described auxiliary volume pin stretches out, and clamps barrier film together with described mandrel;
Described mandrel and described auxiliary volume pin synchronous rotary drive the outer ring that barrier film is wrapped in described mandrel;
When being wound to pre-fixing turn, pre-fixing turn is preferably 1.25 circle-1.75 circles, and described auxiliary volume pin is extracted out, and described mandrel continues to reel, and completes barrier film and rolls up in advance.
8. mandrel type battery winding method as claimed in claim 6, is characterized in that, described auxiliary volume pin is semicircle.
9. mandrel type battery winding method as described in claim 6 to 8 any one, is characterized in that, described auxiliary volume pin stretches out auxiliary pressing wheel and pushes down barrier film before extracting out, when completing barrier film and rolling up in advance, returns described auxiliary pressing wheel.
10. battery production method comprises the step of the described mandrel type battery winding of according to claim 6 to 9 any one method coiling battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310043155.9A CN103107354B (en) | 2013-02-04 | 2013-02-04 | Core shaft type battery winding device, winding method and battery manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310043155.9A CN103107354B (en) | 2013-02-04 | 2013-02-04 | Core shaft type battery winding device, winding method and battery manufacturing method |
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| CN103107354A true CN103107354A (en) | 2013-05-15 |
| CN103107354B CN103107354B (en) | 2015-03-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571489A (en) * | 2015-10-08 | 2017-04-19 | 深圳市比克动力电池有限公司 | Method and winding apparatus for improving separation membrane pulling-out during battery winding |
| CN106602150A (en) * | 2017-01-17 | 2017-04-26 | 无锡先导智能装备股份有限公司 | Winding device for manufacturing winding element and winding method of winding element |
| CN114497890A (en) * | 2022-01-27 | 2022-05-13 | 深圳吉阳智能科技有限公司 | Flying cutting mechanism for battery core diaphragm |
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| JPH11307132A (en) * | 1998-04-24 | 1999-11-05 | Katoo Kiko:Kk | Plate winder for secondary battery |
| JP2010192325A (en) * | 2009-02-19 | 2010-09-02 | Toyota Motor Corp | Electrode winding device |
| JP2011088689A (en) * | 2009-10-20 | 2011-05-06 | Ryokosha:Kk | Manufacturing device of winding body |
| CN102157754A (en) * | 2011-03-15 | 2011-08-17 | 深圳市赢合科技有限公司 | Method for winding battery cell of lithium ion |
| CN102237544A (en) * | 2010-04-28 | 2011-11-09 | Ckd株式会社 | Producing device of reeling component |
| CN102290607A (en) * | 2011-06-27 | 2011-12-21 | 深圳市吉阳自动化科技有限公司 | Electrode plate-winding method and electrode plate winder |
| JP2012022813A (en) * | 2010-07-12 | 2012-02-02 | Toyota Motor Corp | Electrode winding device and method for manufacturing wound electrode body cell |
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2013
- 2013-02-04 CN CN201310043155.9A patent/CN103107354B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11307132A (en) * | 1998-04-24 | 1999-11-05 | Katoo Kiko:Kk | Plate winder for secondary battery |
| JP2010192325A (en) * | 2009-02-19 | 2010-09-02 | Toyota Motor Corp | Electrode winding device |
| JP2011088689A (en) * | 2009-10-20 | 2011-05-06 | Ryokosha:Kk | Manufacturing device of winding body |
| CN102237544A (en) * | 2010-04-28 | 2011-11-09 | Ckd株式会社 | Producing device of reeling component |
| JP2012022813A (en) * | 2010-07-12 | 2012-02-02 | Toyota Motor Corp | Electrode winding device and method for manufacturing wound electrode body cell |
| CN102157754A (en) * | 2011-03-15 | 2011-08-17 | 深圳市赢合科技有限公司 | Method for winding battery cell of lithium ion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571489A (en) * | 2015-10-08 | 2017-04-19 | 深圳市比克动力电池有限公司 | Method and winding apparatus for improving separation membrane pulling-out during battery winding |
| CN106602150A (en) * | 2017-01-17 | 2017-04-26 | 无锡先导智能装备股份有限公司 | Winding device for manufacturing winding element and winding method of winding element |
| CN106602150B (en) * | 2017-01-17 | 2023-09-01 | 无锡先导智能装备股份有限公司 | Winding device and winding method for manufacturing lithium battery winding element |
| CN114497890A (en) * | 2022-01-27 | 2022-05-13 | 深圳吉阳智能科技有限公司 | Flying cutting mechanism for battery core diaphragm |
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| CN103107354B (en) | 2015-03-25 |
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