CN202633442U - Battery cell winding equipment - Google Patents
Battery cell winding equipment Download PDFInfo
- Publication number
- CN202633442U CN202633442U CN2012200820986U CN201220082098U CN202633442U CN 202633442 U CN202633442 U CN 202633442U CN 2012200820986 U CN2012200820986 U CN 2012200820986U CN 201220082098 U CN201220082098 U CN 201220082098U CN 202633442 U CN202633442 U CN 202633442U
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- China
- Prior art keywords
- feed mechanism
- negative plate
- heating arrangements
- positive plate
- positive
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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 utility model relates to the technical field of batteries, in particular to battery cell winding equipment. The equipment comprises a rack, a motor, a positive plate feed mechanism, a negative plate feed mechanism, an isolating film feed mechanism, a winding mechanism, a positive plate heating mechanism and a negative plate heating mechanism, wherein the motor is arranged in the rack; and the positive plate feed mechanism, the negative plate feed mechanism, the isolating film feed mechanism and the winding mechanism are respectively connected with the rack fixedly. Before winding, positive plates and negative plates are heated through the heating mechanisms, so that the stresses of the positive plates and the negative plates are released sufficiently; the positive plates and the negative plates can be lengthened to a certain degree during winding; and after winding is finished, the positive plates and the negative plates can be contracted together with isolating films in a cooling process, so that deformation of battery cells is improved. The battery cell winding equipment is easy and convenient to operate, and is beneficial to continuous production of wound battery cells; and the heating mechanisms are simple and are convenient to manufacture in batches.
Description
Technical field
The utility model relates to the battery technology field, refers in particular to a kind of electric core winding equipment.
Background technology
Along with the continuous development of modern society, mobile device such as smart mobile phone, notebook computer, video camera and EV (electric automobile) etc. will obtain application more and more widely, thereby form the wilderness demand to battery.
Coiling is a very important operation in the battery production process, and along with development of science and technology, the automaticity of coiling operation is increasingly high.In the winding process of automation, must apply bigger pulling force to pole piece and barrier film, to guarantee the neat degree between positive plate and negative plate and barrier film and the positive plate.Yet; Pulling force in the winding process can make barrier film be extended in MD (Mechanical Direction) direction; Reel and finish the release of back owing to pulling force, barrier film can produce certain shrink in the MD direction again, and pole piece is very little in MD direction length variations before and after reeling; Barrier film just because of the electric core in back of reeling seriously pushes pole piece, thereby the electric core after causing reeling can deform in the process of leaving standstill.Distortion core strueture behind the coiling, promptly barrier film seriously pushes anode pole piece and cathode pole piece, and the electric core after the distortion is appearance poor not only, also can have quality problems such as capacity is low, cycle performance is poor, self discharge is fast.
The method of electric core distortion mainly was exactly that the barrier film before reeling is toasted after existing improvement was reeled in the industry, it is fully shunk before coiling, but the method mainly was used in the production of manual coiling.Because what the automation continuous reeling used is the barrier film of rolling; The barrier film of rolling shrinks and difficulty, even and barrier film have to a certain degree and shrink because pulling force is bigger during auto reeling; Barrier film also can be extended once more, thereby the method is difficult to be applied in the production of automation continuous reeling.
Present stage, the problem of electric core distortion was the difficult problem in the industry after automation was reeled.
The utility model content
The purpose of the utility model is to provide a kind of electric core winding equipment, and this equipment can heat positive/negative plate before reeling, and reels afterwards again.Reel after the end, pole piece can together shrink with barrier film, thereby improves the distortion of electric core.
The technical scheme of the utility model is following:
A kind of electric core winding equipment; This equipment comprises frame; Be arranged on the motor in the frame; The positive plate feed mechanism that is fixedly connected with said frame respectively, negative plate feed mechanism, barrier film feed mechanism and winding mechanism is characterized in that: said frame also is connected with positive plate heating arrangements and negative plate heating arrangements.
The operation principle of the utility model: through the heating of heating arrangements to positive/negative plate before reeling; Its stress is fully discharged; Pole piece has prolongation to a certain degree during coiling under the effect of pulling force; Reel after the end, pole piece can together shrink with barrier film in the cooling procedure, thereby improves the distortion of electric core.
Be disposed with positive plate pulling force regulating shaft, negative plate pulling force regulating shaft and barrier film pulling force regulating shaft on said positive plate feed mechanism, negative plate feed mechanism and the barrier film feed mechanism.
Be disposed with positive plate heating arrangements heat insulation layer and negative plate heating arrangements heat insulation layer on said positive plate heating arrangements and the negative plate heating arrangements shell, lose, make temperature constant in the heating arrangements to prevent heat.
The mode of heating of said positive plate heating arrangements and negative plate heating arrangements is resistance heating, infrared heating or microwave heating.
Said positive plate heating arrangements holds described positive plate feed mechanism; Described negative plate heating arrangements holds said negative plate feed mechanism.To put in order volume positive plate and negative plate and hold wherein, whole volume positive plate and negative plate are heated simultaneously, operating efficiency is higher like this.
Said positive plate heating arrangements is arranged between positive plate feed mechanism and the winding mechanism; Described negative plate heating arrangements is arranged between negative plate feed mechanism and the winding mechanism.Single positive plate, negative plate to before reeling heat respectively, and it is more even like this pole piece to be heated.
The beneficial effect of the utility model is:
A kind of electric core winding equipment; This equipment comprises frame; Be arranged on the motor in the frame; The positive plate feed mechanism that is fixedly connected with said frame respectively, negative plate feed mechanism, barrier film feed mechanism, winding mechanism, said frame also are connected with positive plate heating arrangements and negative plate heating arrangements.This equipment can heat positive/negative plate before reeling, and the stress of pole piece is fully discharged, and pole piece has prolongation to a certain degree during coiling under the effect of pulling force, reels afterwards again.Reel after the end, pole piece can together shrink with barrier film in the cooling procedure, thereby has improved the distortion of electric core.
Description of drawings
Fig. 1 is electric core winding apparatus embodiments 1 sketch map in the utility model.
Fig. 2 is electric core winding apparatus embodiments 2 sketch mapes in the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model and useful technique effect thereof are elaborated.
See also Fig. 1; A kind of electric core winding equipment of the utility model; This equipment comprises frame 1, is arranged on the motor 2 in the frame 1, the positive plate feed mechanism 31 that is fixedly connected with said frame respectively, negative plate feed mechanism 41, barrier film feed mechanism 5, winding mechanism 6; Also comprise positive plate heating arrangements 32, negative plate heating arrangements 42.
Positive plate feed mechanism 31, negative plate feed mechanism 41, barrier film feed mechanism 5 be distributed in winding mechanism 6 around so that material focuses on a place, accomplish coiling action.
Be disposed with positive plate pulling force regulating shaft 30, negative plate pulling force regulating shaft 40, barrier film pulling force regulating shaft 50 on positive plate feed mechanism 31, negative plate feed mechanism 41, the barrier film feed mechanism 5; This pulling force regulating shaft can be controlled pole piece and barrier film pulling force separately in the winding process; To guarantee the neat degree between positive plate and negative plate and barrier film and the positive plate, the pulling force in the time of can suitably strengthening pole piece coiling.
Positive plate heating arrangements 32 is disposed with positive plate heating arrangements heat insulation layer 320 and negative plate heating arrangements heat insulation layer 420 with negative plate heating arrangements 42 shells, and the purpose of this heat insulation layer is to prevent that heat runs off, and makes temperature constant in the heating arrangements.
The mode of heating of positive plate heating arrangements 32 and negative plate heating arrangements 42 is resistance heating, and the big I of this resistance is suitably regulated according to the requirement of temperature.
Said positive plate heating arrangements 32 holds described positive plate feed mechanism 31; To put in order the volume positive plate and hold wherein, whole volume pole piece will be heated simultaneously.Described negative plate heating arrangements 42 holds said negative plate feed mechanism 41.To put in order the volume negative plate and hold wherein, whole volume pole piece will be heated simultaneously.
See also Fig. 2, a kind of electric core winding equipment of the utility model, the mode of heating of positive plate heating arrangements 32 and negative plate heating arrangements 42 is infrared heating.Said positive plate heating arrangements 32 is arranged between positive plate feed mechanism 31 and the winding mechanism 6; Described negative plate heating arrangements 42 is arranged between negative plate feed mechanism 41 and the winding mechanism 6.Positive and negative plate to before reeling heats respectively, and it is more even like this positive and negative plate to be heated.Other is identical with embodiment 1, repeats no more here.
According to the announcement and the guidance of above-mentioned specification, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the utility model is not limited to is in the protection range of the claim that also should fall into the utility model to some modifications and the change of the utility model.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the utility model is not constituted any restriction.
Claims (6)
1. electric core winding equipment; This equipment comprises frame (1); Be arranged on the motor (2) in the frame (1); The positive plate feed mechanism (31) that is fixedly connected with said frame (1) respectively, negative plate feed mechanism (41), barrier film feed mechanism (5) and winding mechanism (6) is characterized in that: said frame (1) also is connected with positive plate heating arrangements (32) and negative plate heating arrangements (42).
2. a kind of electric core winding equipment according to claim 1 is characterized in that: be disposed with positive plate pulling force regulating shaft (30), negative plate pulling force regulating shaft (40) and barrier film pulling force regulating shaft (50) on said positive plate feed mechanism (31), negative plate feed mechanism (41) and the barrier film feed mechanism (5).
3. a kind of electric core winding equipment according to claim 1 is characterized in that: said positive plate heating arrangements (32) is provided with positive plate heating arrangements heat insulation layer (320);
Described negative plate heating arrangements (42) shell is provided with negative plate heating arrangements heat insulation layer (420).
4. a kind of electric core winding equipment according to claim 1 is characterized in that: the mode of heating of said positive plate heating arrangements (32) and negative plate heating arrangements (42) is resistance heating, infrared heating or microwave heating.
5. a kind of electric core winding equipment according to claim 1 is characterized in that: said positive plate heating arrangements (32) holds described positive plate feed mechanism (31);
Described negative plate heating arrangements (42) holds said negative plate feed mechanism (41).
6. a kind of electric core winding equipment according to claim 1 is characterized in that: said positive plate heating arrangements (32) is arranged between positive plate feed mechanism (31) and the winding mechanism (6);
Described negative plate heating arrangements (42) is arranged between negative plate feed mechanism (41) and the winding mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200820986U CN202633442U (en) | 2012-03-07 | 2012-03-07 | Battery cell winding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200820986U CN202633442U (en) | 2012-03-07 | 2012-03-07 | Battery cell winding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633442U true CN202633442U (en) | 2012-12-26 |
Family
ID=47386595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200820986U Expired - Lifetime CN202633442U (en) | 2012-03-07 | 2012-03-07 | Battery cell winding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683736A (en) * | 2012-03-07 | 2012-09-19 | 宁德新能源科技有限公司 | Battery cell winding method and equipment |
| CN114824429A (en) * | 2022-06-27 | 2022-07-29 | 江苏时代新能源科技有限公司 | Apparatus and method for preparing electrode assembly |
-
2012
- 2012-03-07 CN CN2012200820986U patent/CN202633442U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683736A (en) * | 2012-03-07 | 2012-09-19 | 宁德新能源科技有限公司 | Battery cell winding method and equipment |
| CN102683736B (en) * | 2012-03-07 | 2015-04-15 | 宁德新能源科技有限公司 | Battery cell winding method and equipment |
| CN114824429A (en) * | 2022-06-27 | 2022-07-29 | 江苏时代新能源科技有限公司 | Apparatus and method for preparing electrode assembly |
| CN114824429B (en) * | 2022-06-27 | 2023-04-18 | 江苏时代新能源科技有限公司 | Apparatus and method for preparing electrode assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |