CN203450889U - Compounding machine for multiple layers of membranes - Google Patents
Compounding machine for multiple layers of membranes Download PDFInfo
- Publication number
- CN203450889U CN203450889U CN201320478002.2U CN201320478002U CN203450889U CN 203450889 U CN203450889 U CN 203450889U CN 201320478002 U CN201320478002 U CN 201320478002U CN 203450889 U CN203450889 U CN 203450889U
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- Prior art keywords
- barrier film
- compounding machine
- cooling
- wheel
- tension detector
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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 discloses a compounding machine for multiple layers of membranes. An unreeling mechanism, a heat-treating machine, a cooling mechanism and a reeling mechanism are sequentially arranged in the compounding direction of the membranes, wherein unequal internal stress and tension between the multiple layers of membranes can be eliminated by the compounding machine through the heat-treating mechanism and the cooling mechanism, equal tension between the multiple layers of membranes is further provided, the compound membranes can have high flatness, and the defect that wrapping bubbles are produced is overcome.
Description
Technical field
The utility model relates to a kind of laminated diaphragm equipment complex for the production of lithium ion battery separator.
Background technology
The composition of the lithium ion battery that Now is capable is comprised of positive electrode, negative material, battery acid and the large material of barrier film four.Barrier film is wherein important component part, in the method for manufacturing barrier film, there are minute universe method and the large class of wet method two at present, wherein the technological process of universe method has extrusion, annealing and extends pore-creating, and considering with production capacity and characteristic, film after extrusion can be carried out to MULTILAYER COMPOSITE, with the form of multilayer, anneal simultaneously and extend pore-creating; In the application of product, finished product barrier film can be carried out to the first-pass yield that MULTILAYER COMPOSITE makes its thickness increase and reduce hole, use and can increase its safety performance on lithium cell.
Laminated diaphragm compound tense, need to make by compounding machine, the complex technique of barrier film processing procedure mainly contains two classes: 1. when annealing or deep processing, with several unreeling shafts, unreel, then process simultaneously, 2. use compounding machine to carry out MULTILAYER COMPOSITE, but compounding machine is all at room temperature film not to be heat-treated to direct multiple-level stack to carry out rolling at present; When if the tension force that the film that above two kinds of processing procedures unreel exists or internal stress are inconsistent, just can cause having after compound the generation of the defects such as unfairness, fold, gas enclosure bubble, laminated diaphragm can reduce barrier film in the workability of lithium cell while there is the defects such as unfairness, fold, gas enclosure bubble, further affects characteristic and the conformability of product.
Utility model content
Technical problem to be solved in the utility model is to realize a kind of compounding machine that can not produce the defects such as unfairness, fold, gas enclosure bubble after MULTILAYER COMPOSITE.
To achieve these goals, the technical solution adopted in the utility model is: laminated diaphragm compounding machine, is provided with unreeling structure, heat treatment mechanism, cooling body and rolling-up mechanism successively along the compound conduct direction of barrier film;
Described unreeling structure comprises unreeling shaft, deflector roll and tension detector, is provided with a plurality of deflector rolls of a unreeling shaft and heat treated mechanism transmission barrier film, and wherein has at least a deflector roll to be provided with tension detector for every layer of barrier film;
Described heat treatment mechanism is provided with a plurality of heating rollers and coordinates heating pair of rollers laminated diaphragm to carry out compound clip wheel, and described laminated diaphragm enters heat treatment mechanism successively through too much organizing the cooling body that is combined into of heating roller and clip wheel;
Described cooling body consists of a plurality of cooling wheels, and described barrier film enters cooling body and through a plurality of cooling wheels, enters rolling-up mechanism successively;
Described rolling-up mechanism comprises winding wheel, deflector roll and tension detector, and described barrier film is wrapped on winding wheel through a plurality of deflector rolls successively, and wherein has at least a deflector roll to be provided with tension detector.
Described compounding machine is also provided with controller, and described tension detector output tension signal is to controller, and described controller output speed signal is to winding wheel and unreeling shaft.
Described heating roller is provided with 7, and described cooling wheel is provided with 2.
Temperature along the heating roller described in the compound conduct direction of barrier film raises successively, and the cooling wheel temperature described in each is identical.
Along the compound conduct direction of barrier film, heating roller temperature described in 7 is followed successively by 20-30 ℃, 92-98 ℃, 102-108 ℃, 107-113 ℃, 112-118 ℃, 117-123 ℃ and 122-128 ℃, described cooling wheel temperature is 20-30 ℃, and described unreeling structure and rolling-up mechanism give the tension force of barrier film 7-13%.
The utility model has the advantage of that compounding machine can eliminate unequal internal stress and tension force between every layer film by heat treatment mechanism and cooling body, equal tension force between further giving every layer again, makes film after compound have high-flatness and produces without the defect of coated bubble.
Accompanying drawing explanation
Below the content of every width accompanying drawing expression in the utility model specification sheets and the mark in figure are briefly described:
Fig. 1 is laminated diaphragm composite aircraft structure schematic diagram;
Fig. 2 is unreeling structure structural representation in Fig. 1;
Fig. 3 is heat treatment mechanism and cooling body structural representation in Fig. 1;
Fig. 4 is rolling-up mechanism structural representation in Fig. 1;
Mark in above-mentioned figure is: 1, unreeling shaft; 2, tension detector; 3, deflector roll; 4, clip wheel; 5, heating roller; 6, cooling wheel; 7, winding wheel; 8, unreeling structure; 9, heat treatment mechanism; 10, cooling body; 11, rolling-up mechanism.
The specific embodiment
Known referring to Fig. 1, laminated diaphragm compounding machine is provided with unreeling structure 8, heat treatment mechanism 9, cooling body 10 and rolling-up mechanism 11 successively along the compound conduct direction of barrier film, and controller (PLC), by heat treatment mechanism 9 and cooling body 10, can eliminate unequal internal stress and tension force between every layer film, equal tension force between further giving every layer again, make film after compound have high-flatness and without coated bubble defect produce.
Known referring to Fig. 2, unreeling structure 8 comprises unreeling shaft 1, deflector roll 3 and tension detector 2, for laminated diaphragm, every layer of barrier film is equipped with a plurality of deflector rolls 3 of a unreeling shaft 1 and heat treated mechanism 9 transmission barrier films, every layer of barrier film unreeled by unreeling shaft 1 separately respectively, by its deflector roll 3, transmit and input to heat treatment mechanism 9, in the deflector roll 3 of every layer of barrier film, have at least a deflector roll 3 to be provided with tension detector 2, tension detector 2 output tension signals are to controller, it is to unreel under isostension that controller is controlled respectively each layer of barrier film according to the setting value of this signal and tension force, award the tension force that tension force setting value can be 7-13%, while entering heat treatment mechanism 9, can maintain equal simultaneously, deflector roll 3 gives barrier film suitable walking path, at walking process, do not cause the generation of fold.
Known referring to Fig. 3, heat treatment mechanism 9 is provided with a plurality of heating rollers 5 and coordinates heating roller 5, the laminated diaphragm that is entered heat treatment mechanism 9 by unreeling structure 8 carries out extrusion cladding through too much organizing the combination of heating roller 5 and clip wheel 4, the function of clip wheel 4 can be got rid of the air between each layer, make barrier film reach between layers closely sealed, heating roller 5 can give according to different materials different temperature, in heating roller 5, be provided with circulation oil duct, utilize mobile medium (kerosene) in oil duct to reach heating effect, this device is eliminated the internal stress of film by 5 heating of heating roller, and utilize the poor membrane tension that again gives of speed that respectively heats 5, roller to make every one deck barrier film all there is identical state.The combination of heating roller 5 and clip wheel 4 can arrange 7 groups, temperature along the compound conduct direction heating of barrier film roller 5 raises successively, the range of temperatures of heating roller 5 is as long as be all fine lower than the fusion temperature of material, possible embodiments: temperature is followed successively by 20-30 ℃, 92-98 ℃, 102-108 ℃, 107-113 ℃, 112-118 ℃, 117-123 ℃ and 122-128 ℃.Cooling body 10 consists of a plurality of cooling wheels 6, the barrier film being entered by heat treatment mechanism 9 makes the cooling room temperature that is returned to of barrier film through cooling wheel 6 again, cooling wheel 6 can arrange 2, in cooling wheel 6, be provided with Coolant gallery, mode with water circulation reaches cooling performance, the temperature of each cooling wheel 6 is identical, and cooling wheel temperature is all fine lower than 50 degree, feasible enforcement 20-30 ℃.
Known referring to Fig. 4, rolling-up mechanism 11 comprises winding wheel 7, deflector roll 3 and tension detector 2, the barrier film of being exported by cooling wheel 6 is wrapped in winding wheel 7 through a plurality of deflector rolls 3 of rolling-up mechanism 11, similarly in these deflector rolls 3, to have at least a deflector roll 3 to be provided with tension detector 2 with unreeling structure 8, tension detector 2 output tension signals are to controller simultaneously, it is to unreel under isostension that controller is controlled barrier film according to the setting value of this signal and tension force, differential between roller is two ratio settings that roller rotating speed differs before and after utilizing, for example: front wheel rotating speed 10M/min, rear roller 11M/min, tension force equals (1-(11/10)) * 100%=10%, this device roller awards tension force setting value should be less than 15%, possible embodiments is the tension force of 7-13%, like this, can guarantee to carry out rolling under the tension force requiring.
This device can also heat roller 5 and the interior mounting temperature sensor of cooling wheel 6 at each, temperature sensor is delivered to controller by the temperature signal of collection, controller is regulate the temperature of each heating roller 5 and cooling wheel 6 according to temperature, to guarantee temperature constant, and packaging product quality.
Complex film planeness method for measurement:
The sample of compound Hou is cut into 20mm (MD) X100mm (TD), places on what metal or glass board, measurement film sticks up gets height, utilizes this metering system to understand the planeness of compound Hou.
Observed data is as following table:
By test result, can find that this mechanism design heat-treats the planeness (stick up get highly reduce) that can effectively control half-blank and finished product complex film to complex film.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (3)
1. laminated diaphragm compounding machine, is characterized in that: along the compound conduct direction of barrier film, be provided with successively unreeling structure (8), heat treatment mechanism (9), cooling body (10) and rolling-up mechanism (11);
Described unreeling structure (8) comprises unreeling shaft (1), deflector roll (3) and tension detector (2), for every layer of barrier film, be provided with a plurality of deflector rolls (3) of a unreeling shaft (1) and heat treated mechanism (9) transmission barrier film, and wherein at least one deflector roll (3) is provided with tension detector (2);
Described heat treatment mechanism (9) is provided with a plurality of heating rollers (5) and coordinates heating roller (5) to carry out compound clip wheel (4) to laminated diaphragm, and described laminated diaphragm enters heat treatment mechanism (9) and through too much group heating roller (5) and clip wheel (4), is combined into cooling body (10) successively;
Described cooling body (10) consists of a plurality of cooling wheels (6), and described barrier film enters cooling body (10) and passes through successively a plurality of cooling wheels (6) and enter rolling-up mechanism (11);
Described rolling-up mechanism (11) comprises winding wheel (7), deflector roll (3) and tension detector (2), and described barrier film passes through successively a plurality of deflector rolls (3) and is wrapped in winding wheel (7) above, and wherein at least one deflector roll (3) is provided with tension detector (2).
2. laminated diaphragm compounding machine according to claim 1, it is characterized in that: described compounding machine is also provided with controller, described tension detector (2) output tension signal is to controller, and described controller output speed signal is to winding wheel (7) and unreeling shaft (1).
3. laminated diaphragm compounding machine according to claim 1 and 2, is characterized in that: described heating roller (5) is provided with 7, and described cooling wheel (6) is provided with 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478002.2U CN203450889U (en) | 2013-08-06 | 2013-08-06 | Compounding machine for multiple layers of membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478002.2U CN203450889U (en) | 2013-08-06 | 2013-08-06 | Compounding machine for multiple layers of membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203450889U true CN203450889U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320478002.2U Expired - Lifetime CN203450889U (en) | 2013-08-06 | 2013-08-06 | Compounding machine for multiple layers of membranes |
Country Status (1)
| Country | Link |
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| CN (1) | CN203450889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407811A (en) * | 2013-08-06 | 2013-11-27 | 达尼特材料科技（芜湖）有限公司 | Multilayer membrane compounding machine and control method thereof |
| CN109616602A (en) * | 2014-10-10 | 2019-04-12 | 住友化学株式会社 | Film manufacturing method and film manufacturing device |
-
2013
- 2013-08-06 CN CN201320478002.2U patent/CN203450889U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407811A (en) * | 2013-08-06 | 2013-11-27 | 达尼特材料科技（芜湖）有限公司 | Multilayer membrane compounding machine and control method thereof |
| CN103407811B (en) * | 2013-08-06 | 2016-11-16 | 达尼特材料科技（芜湖）有限公司 | Laminated diaphragm compounding machine and control method thereof |
| CN109616602A (en) * | 2014-10-10 | 2019-04-12 | 住友化学株式会社 | Film manufacturing method and film manufacturing device |
| CN109616602B (en) * | 2014-10-10 | 2021-09-24 | 住友化学株式会社 | Film manufacturing method and film manufacturing apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241000 Anhui Province, Yijiang District, Yijiang hi tech Development Zone, Jin Jin Road, No. 228 Patentee after: BENQ MATERIALS (WUHU) Co.,Ltd. Address before: 241000 Anhui Province, Yijiang District, Yijiang hi tech Development Zone, Jin Jin Road, No. 228 Patentee before: DANITE SPECIAL MATERIAL TECHNOLOGY (WUHU) CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 241000 No. 106 Jin Hua South Road, hi tech Development Zone, Anhui, Wuhu Patentee after: BENQ MATERIALS (WUHU) Co.,Ltd. Address before: 241000 Anhui Province, Yijiang District, Yijiang hi tech Development Zone, Jin Jin Road, No. 228 Patentee before: BENQ MATERIALS (WUHU) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |