CN202495520U - Rolling and heating device for pole pieces - Google Patents
Rolling and heating device for pole pieces Download PDFInfo
- Publication number
- CN202495520U CN202495520U CN2012200082309U CN201220008230U CN202495520U CN 202495520 U CN202495520 U CN 202495520U CN 2012200082309 U CN2012200082309 U CN 2012200082309U CN 201220008230 U CN201220008230 U CN 201220008230U CN 202495520 U CN202495520 U CN 202495520U
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- China
- Prior art keywords
- pole piece
- rolling
- heating tube
- pole pieces
- rotating shaft
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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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Abstract
The utility model belongs to the field of a lithium ion battery and particularly relates to a rolling and heating device for pole pieces, which can improve the consistency of rebounding of the pole pieces of the lithium ion battery. The rolling and heating device comprises a roasting box, a heating tube and a rolling rotating shaft, wherein the heating tube and the rolling rotating shaft are arranged in the roasting box, and the roasting box is fixed on a rack. Compared with the prior art, the rolling and heating device has the advantages that the pole piece of an inner ring of a winding drum sufficiently rebounds by roasting the pole piece of a positive pole at a cold pressing rolling place, and the consistency of rebounding of the pole pieces of the inner ring and an outer ring of the winding drum is effectively improved. Simultaneously, the pole pieces are roasted in the rolling process, thereby omitting a large-coil roasting working procedure after cold pressing, greatly shortening the production time of products and improving the production efficiency.
Description
Technical field
The utility model belongs to technical field of lithium ion, relates in particular to a kind ofly can improve the electrodes of lithium-ion batteries conforming pole piece rolling heater that rebounds.
Background technology
The galvanic anode pole piece is as the important component part of lithium ion battery, and the consistency of its bounce-back has very important influence for the performance of lithium ion battery.The galvanic anode pole piece need after through coating, oven dry through cold-press process improve physics contact between the particle, lithium ion battery volume after reducing to encapsulate, to improve the energy density of battery.Owing to can rebound after the graphite-structure of anode pole piece is colded pressing, so the pole piece bounce-back consistency of reel Internal and external cycle is difficult to guarantee after the rolling.
At present, the lithium ion battery anode pole piece is to adopt the mode of big volume baking to discharge bounce-back after the rolling of colding pressing.The stress of reel inner ring pole piece is difficult to discharge, and the pole piece of outer ring then can rebound more fully.The anode pole piece of reel inner ring can continue bounce-back behind electric core winding like this, causes bad products such as electric core distortion, the dislocation of reeling easily
The existing anode pole piece that improves rebounds in the conforming measure, and a kind of is through before colding pressing, pole piece being carried out preheating, and this mode can only let pole piece before colding pressing, rebounded fully.Through after colding pressing, it is big that the compacted density of pole piece becomes, and pole piece still can rebound in the process of reeling, and the bounce-back in this process is uncontrollable.Another kind of mode is that the big volume coiled strip after colding pressing is carried out high-temperature baking, and this also is the mode of the main at present release bounce-back of adopting.The defective of this mode is the pole piece bounce-back fully very fully of reel outer ring, and the pole piece of inner ring can not rebound owing to receive the extruding of outer ring pole piece fully.Also having a kind of mode is pole piece to be heated through a preheating table in the back of colding pressing, but because the rapid speed of colding pressing, the actual time of being heated of pole piece is very of short duration, and effect is also not obvious.
In view of this, necessaryly provide a kind of and can improve the anode pole piece conforming device that rebounds.
The utility model content
The purpose of the utility model is: provide a kind of and can improve the anode pole piece conforming pole piece rolling heater that rebounds.
To achieve these goals, the utility model adopts following technical scheme:
A kind of pole piece rolling heater comprises baking casing and the heating tube and the rolling rotating shaft that are arranged in the said baking casing, and said baking casing is fixed on the frame.
As a kind of improvement of the utility model pole piece rolling heater, said heating tube is outside equipped with the heating tube mounting cup.
As a kind of improvement of the utility model pole piece rolling heater, also be provided with temperature sensor in the said baking casing.
As a kind of improvement of the utility model pole piece rolling heater, said frame is provided with control device, and temperature sensor will toast the casing internal temperature and feed back to control device and carry out adjustment.
As a kind of improvement of the utility model pole piece rolling heater, said frame is provided with control switch.
As a kind of improvement of the utility model pole piece rolling heater, said heating tube be evenly distributed on said rolling rotating shaft around, each position thermally equivalent when guaranteeing the pole piece rolling.Preferably, 11 infrared heating pipes of the inner installation of said pole piece rolling heater, each pipe contains 31 kilowatt tubule, provides can reach up to 200 ℃.
A kind of improvement as the utility model pole piece rolling heater is provided with the infrared heating silk in the said heating tube.
As a kind of improvement of the utility model pole piece rolling heater, said baking casing comprises loam cake and the lower cover that matches each other.
As a kind of improvement of the utility model pole piece rolling heater, cover on the said baking casing and be provided with two grooves that are used to place said rolling rotating shaft.
Compared with prior art, the utility model makes reel inner ring pole piece obtain sufficient bounce-back through toasting at the rolling place antianode pole piece of colding pressing, and has effectively improved the consistency of reel Internal and external cycle pole piece bounce-back.Simultaneously, in the process of rolling pole piece is toasted the big volume roasting procedure that has also saved after colding pressing, reduced the production time of product greatly, improved production efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment, the utility model and useful technique effect thereof are elaborated:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the stereogram of the utility model.
Embodiment
As depicted in figs. 1 and 2, the pole piece rolling heater of the utility model comprises baking casing 1 and the heating tube 2 and the rolling rotating shaft 3 that are arranged in the said baking casing 1, and said baking casing 1 is fixed on the frame 4.
Wherein, said baking casing 1 comprises the loam cake 11 and lower cover 12 that matches each other, and the loam cake 11 of said baking casing 1 is provided with two grooves 9 that are used to place said rolling rotating shaft 3.
Said heating tube 2 is outside equipped with heating tube mounting cup 5, is provided with infrared heating silk 21 in the said heating tube 2, said heating tube 2 be evenly distributed on said rolling rotating shaft 3 around.Each position thermally equivalent during with the rolling of assurance pole piece.Preferably, 11 infrared heating pipes of the inner installation of said pole piece rolling heater, each pipe contains 31 kilowatt tubule, provides can reach up to 200 ℃.
Also be provided with temperature sensor 6 in the said baking casing 1, said frame 4 is provided with control device 7.。Temperature sensor 6 is used for collecting temperature, and the temperature data that collects is fed back to control device 7 analyzes, and according to the temperature data of setting the temperature in the baking casing 1 is regulated.Said frame 4 is provided with control switch 8, is used to control the unlatching of pole piece rolling heater or close.
Wherein, baking casing 1 is a sandwich structure, and skin is a steel plate, and sandwich of layers is heat insulation rock wool, sheds to prevent the heat in the baking box body 1, plays insulation effect.The long 1330mm of whole pole piece rolling heater, wide 580mm, what take up space and will try one's best is little, and the temperature range that this device is suitable for is between the room temperature to 200 ℃.
During use; Pole piece rolling heater is placed on the cold press take-up position, then rolling rotating shaft 3 is put into the groove 9 of baking casing 1, again coiled material is placed on rolling rotating shaft 3; Cover the loam cake 11 of baking casing 1; Press control switch 8 and open pole piece rolling heater, infrared heating silk 21 begins heating, simultaneous temperature transducer 6 beginning collecting temperature data.In order to realize the quick bounce-back after pole piece is colded pressing, the temperature of on control device 7, toasting casing 1 is set to 100-120 ℃, and the big volume coiled strip of packing up after will colding pressing when colding pressing rolling toasts in the baking casing 1 of pole piece rolling heater.Control device 7 is analyzed after receiving the temperature in the baking casing 1 that the temperature inductor 6 in the baking casing 1 collects, and according to the temperature of setting the temperature in the baking casing 1 is controlled.The rolling of colding pressing is closed pole piece rolling heater after accomplishing, and takes out coiled strip.
Compared with prior art, the utility model makes reel inner ring pole piece obtain sufficient bounce-back through toasting at the rolling place antianode pole piece of colding pressing, and has effectively improved the consistency of reel Internal and external cycle pole piece bounce-back.Simultaneously, in the process of rolling pole piece is toasted the big volume roasting procedure that has also saved after colding pressing, reduced the production time of product greatly, improved production efficiency.
According to the announcement and the instruction 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 (9)
1. a pole piece rolling heater is characterized in that: comprise and toast casing (1) and be arranged on heating tube (2) and the rolling rotating shaft (3) in the said baking casing (1) that said baking casing (1) is fixed on the frame (4).
2. pole piece rolling heater according to claim 1 is characterized in that: said heating tube (2) is outside equipped with heating tube mounting cup (5).
3. pole piece rolling heater according to claim 1 is characterized in that: also be provided with temperature sensor (6) in the said baking casing (1).
4. pole piece rolling heater according to claim 1 is characterized in that: said frame (4) is provided with control device (7).
5. pole piece rolling heater according to claim 1 is characterized in that: said frame (4) is provided with control switch (8).
6. pole piece rolling heater according to claim 1 is characterized in that: said heating tube (2) be evenly distributed on said rolling rotating shaft (3) around.
7. pole piece rolling heater according to claim 1 is characterized in that: be provided with infrared heating silk (21) in the said heating tube (2).
8. pole piece rolling heater according to claim 1 is characterized in that: said baking casing (1) comprises loam cake (11) and the lower cover (12) that matches each other.
9. pole piece rolling heater according to claim 8 is characterized in that: the loam cake (11) of said baking casing (1) is provided with two grooves (9) that are used to place said rolling rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200082309U CN202495520U (en) | 2012-01-09 | 2012-01-09 | Rolling and heating device for pole pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200082309U CN202495520U (en) | 2012-01-09 | 2012-01-09 | Rolling and heating device for pole pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495520U true CN202495520U (en) | 2012-10-17 |
Family
ID=47001733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200082309U Expired - Lifetime CN202495520U (en) | 2012-01-09 | 2012-01-09 | Rolling and heating device for pole pieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495520U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500854A (en) * | 2013-09-03 | 2014-01-08 | 浙江金开来新能源科技有限公司 | Pole piece winding device |
| CN107871892A (en) * | 2017-12-12 | 2018-04-03 | 镇江成泰自动化技术有限公司 | Battery pole piece automatic heating device |
| CN108232119A (en) * | 2016-12-10 | 2018-06-29 | 深圳格林德能源有限公司 | A kind of technique for improving based lithium-ion battery positive plate edge wave-like |
| CN108511677A (en) * | 2018-04-26 | 2018-09-07 | 力信（江苏）能源科技有限责任公司 | Battery pole coil heating device |
| CN109494344A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | A kind of baking method of battery pole piece |
-
2012
- 2012-01-09 CN CN2012200082309U patent/CN202495520U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500854A (en) * | 2013-09-03 | 2014-01-08 | 浙江金开来新能源科技有限公司 | Pole piece winding device |
| CN103500854B (en) * | 2013-09-03 | 2016-05-04 | 浙江金开来新能源科技有限公司 | Pole piece coiling device |
| CN108232119A (en) * | 2016-12-10 | 2018-06-29 | 深圳格林德能源有限公司 | A kind of technique for improving based lithium-ion battery positive plate edge wave-like |
| CN109494344A (en) * | 2017-09-13 | 2019-03-19 | 河北银隆新能源有限公司 | A kind of baking method of battery pole piece |
| CN109494344B (en) * | 2017-09-13 | 2021-06-08 | 河北银隆新能源有限公司 | Baking method of battery pole piece |
| CN107871892A (en) * | 2017-12-12 | 2018-04-03 | 镇江成泰自动化技术有限公司 | Battery pole piece automatic heating device |
| CN108511677A (en) * | 2018-04-26 | 2018-09-07 | 力信（江苏）能源科技有限责任公司 | Battery pole coil heating device |
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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 |
Granted publication date: 20121017 |
|
| CX01 | Expiry of patent term |