CN104588262A - Coater for diaphragm coating - Google Patents
Coater for diaphragm coating Download PDFInfo
- Publication number
- CN104588262A CN104588262A CN201310526797.4A CN201310526797A CN104588262A CN 104588262 A CN104588262 A CN 104588262A CN 201310526797 A CN201310526797 A CN 201310526797A CN 104588262 A CN104588262 A CN 104588262A
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- CN
- China
- Prior art keywords
- roll
- vertical
- barrier film
- groups
- coating machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
Abstract
The invention provides a coater for diaphragm coating. The coater comprises an unreeling roller, a gluing device, even groups of vertical type baking oven units, traction rollers, guide rollers, a flattening roller, a reeling roller and a main traction motor. The gluing device comprises a material liquid tank and a coating roller. The coating roller is arranged above the material liquid tank. The vertical type baking oven unit comprises a first vertical type baking oven and a second vertical type baking oven in a way of symmetrical arrangement. The unreeling roller, the coating roller, the traction rollers, the guide rollers, the flattening roller and the reeling roller are linked with the main traction motor. One side of the gluing device is provided with the unreeling roller. One of the vertical type baking oven units is arranged above the gluing devices. The traction rollers are arranged above all the vertical type baking oven units. The guide rollers are arranged below another one of the vertical type baking oven units and is orderly transmission-connected to the flattening roller and the reeling roller. Through the coater, the coating system realizes complete removal of the solvent in a diaphragm.
Description
Technical field
The present invention relates to battery isolating film and manufacture field, especially a kind of coating machine for applying barrier film.
Background technology
The exploitation of lithium ion battery separator material and modification are the most difficult current focuses realizing New Energy Industry, also be the field that state-of-the art and external gap are larger, its production technology and equipment is Ji Jia big companies monopolization in the world mainly, and China enterprise is difficult to obtain first-class equipment and correlation technique.Its technological difficulties are: the first, relative to general thin, lithium electric separator very thin thickness, and use model main is at present general within 20 microns, and leading producer has started the coated separator applying 9 microns of matrixes in the industry; The second, make because current diaphragm material is commonly pulling method, due to the particularity of technique, the diaphragm matrix ubiquity for applying the problem that horizontal curvature is bad and strip is lax, and therefore the uniformity of coating process is difficult to ensure; Three, the porosity due to barrier film is very high, general more than 38%, macrovoid barrier film is even more than 50%, and the mechanical strength that such hole ratio result in barrier film coiled material is poor, shows that barrier film hot strength is mutually far short of what is expected with the general thin of the more same material in profile pattern aspect.Add be difficult to man-hour implement on common film coater so membrane surface carries out modification.
According to the requirement of coating material and application, existing membrane coating machine is much coated with, according to traditional experience and cost consideration for two-sided simultaneously, mainly adopt vertical drying oven structure, the disposable oven dry in vertical baking oven region of such barrier film, then by suitably traction, rolling after correction.But now can not meet the needs of barrier film coating as such equipment, subject matter is as follows:
According to the needs of lithium battery technology development, present barrier film coating is more resin or the inorganic ceramic material of some heat resistances of coating, and these materials generally use the organic solvent of higher (more than 120 DEG C) or solid content low and be difficult to complete volatilised liq (as water etc.), for these coating systems, existing equipment is by the restriction of vertical baking oven length, very difficult realization completely solvent is dried, and has a strong impact on coating speed, and some coating systems cannot be applied at all even.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of coating machine for applying barrier film, and described coating machine effectively can solve the oven dry problem in barrier film coating process.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of coating machine for applying barrier film, comprise let off roll, glue spreading apparatus, the vertical oven groups of even number set, carry-over pinch rolls, guide roller, nip rolls, wind-up roll and main body traction electric machine, described glue spreading apparatus is made up of material fluid bath and applicator roll, described applicator roll is arranged at above described material fluid bath, described vertical oven groups is made up of symmetrically arranged first vertical baking oven and the second vertical baking oven, described let off roll, applicator roll, carry-over pinch rolls, guide roller, nip rolls and wind-up roll all link with main body traction electric machine, wherein, described glue spreading apparatus side is provided with described let off roll, described one group of vertical oven groups is provided with above this glue spreading apparatus, often organize above vertical oven groups and be provided with carry-over pinch rolls, described guide roller is arranged at described another and organizes below vertical oven groups, and be in transmission connection with described nip rolls and wind-up roll successively.
Preferably, the above-mentioned coating machine for applying barrier film, described vertical oven groups is provided with tuyere, wherein, the top tuyere of the vertical oven groups of radix group is exhaust outlet, bottom tuyere is air inlet, and the top tuyere of the vertical oven groups of even number set is air inlet, bottom tuyere is exhaust outlet.
Preferably, the above-mentioned coating machine for applying barrier film, the first vertical baking oven of described vertical oven groups and the height of the second vertical baking oven are 1-2 rice, and with independently heat blowing device.
Preferably, the above-mentioned coating machine for applying barrier film, described vertical oven groups quantity is 2 groups.
Preferably, the above-mentioned coating machine for applying barrier film, also comprises kneading elements, and described kneading elements is made up of a pair nip roll setting up and down, and described nip roll is arranged at described carry-over pinch rolls side, and this nip roll and described main body traction electric machine link.
Preferably, the above-mentioned coating machine for applying barrier film, the roller footpath of described nip roll is the 60-80% of described guide roller.
Preferably, the above-mentioned coating machine for applying barrier film, the material of described nip roll is quality of rubber materials.
Preferably, the above-mentioned coating machine for applying barrier film, the quality of rubber materials of described nip roll is butyl rubber or polyurethane rubber.
The invention has the beneficial effects as follows:
The above-mentioned coating machine for applying barrier film; be that the resin of heat resistance or the barrier film of inorganic ceramic material design for coating; make coating system can realize solvent completely to barrier film to dry, effectively ensure that the quality of production of barrier film, be applicable to the needs that large-scale industrial is produced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the coating machine for applying barrier film of the present invention;
Fig. 2 is the structural representation of the vertical oven groups of coating machine of the present invention.
In figure, the vertical baking oven of 1-let off roll 2-glue spreading apparatus 3-vertical oven groups 3-1-first
3-2-second vertical baking oven 3-3-exhaust outlet 3-4-air inlet 4-carry-over pinch rolls
5-kneading elements 6-guide roller 7-nip rolls 8-wind-up roll
Detailed description of the invention
In order to make those skilled in the art better understand technical scheme of the present invention, below in conjunction with the drawings and the specific embodiments, technical scheme of the present invention is described in further detail.
Embodiment 1
A kind of coating machine for applying barrier film, comprise let off roll 1, glue spreading apparatus 2, two groups of vertical oven groups 3, carry-over pinch rolls 4, kneading elements 5, guide roller 6, nip rolls 7, wind-up roll 8 and main body traction electric machine, described glue spreading apparatus 2 is made up of material fluid bath and applicator roll, described applicator roll is arranged at above described material fluid bath, described each vertical oven groups 3 is made up of symmetrically arranged first vertical baking oven 3-1 and the second vertical baking oven 3-2, first vertical baking oven 3-1 of described vertical oven groups 3 and the height of the second vertical baking oven 3-2 are 2 meters, and with independently heat blowing device, described vertical oven groups 3 is provided with tuyere, wherein, the top tuyere of one group of vertical oven groups 3 is exhaust outlet 3-3, bottom tuyere is air inlet 3-4, another top tuyere organizing vertical oven groups 3 is air inlet 3-4, bottom tuyere is exhaust outlet 3-3, such structural design is convenient to the biography band trend of barrier film, the frictional resistance of barrier film transmittance process can be reduced, improve the drying effect of barrier film, described let off roll 1, applicator roll, carry-over pinch rolls 4, guide roller 6, nip rolls 7 and wind-up roll 8 all link with main body traction electric machine, wherein, described glue spreading apparatus 2 side is provided with described let off roll 1, described one group of vertical oven groups 3 is provided with above this glue spreading apparatus 2, often organize above vertical oven groups 3 and be provided with carry-over pinch rolls 4, described guide roller 6 is arranged at described another and organizes below vertical oven groups 3, and be in transmission connection with described nip rolls 7 and wind-up roll 8 successively, described kneading elements 5 is made up of a pair nip roll setting up and down, the material of this nip roll is butyl rubber, described nip roll is arranged at described carry-over pinch rolls 4 side, this nip roll and described main body traction electric machine link, keep line synchro speed, the setting of described kneading elements 5 effectively can improve the problem on deformation of barrier film under longer distance traction condition, decrease the generation of barrier film fold simultaneously, the roller footpath of described nip roll is 70% of described guide roller 6, thus ensure good barrier film traction effect.
In use procedure, lithium battery diaphragm matrix is after let off roll 1 unreels, enter glue spreading apparatus 2, membrane surface forms the coating fluid of hygrometric state, then enter after drying in vertical oven groups 3, barrier film again enters another and organizes vertical oven groups 3 and carry out secondary drying after carry-over pinch rolls 4 and kneading elements 5, eventually passes guide roller 6, nip rolls 7 and wind-up roll 8 and finally completes rolling, obtain the coating modified diaphragm that top layer is stable.
Above-mentioned detailed description of this kind of coating machine for applying barrier film being carried out with reference to detailed description of the invention; illustrative instead of determinate; several embodiments can be listed according to institute's limited range; therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.
Claims (8)
1. one kind for applying the coating machine of barrier film, it is characterized in that: comprise let off roll, glue spreading apparatus, the vertical oven groups of even number set, carry-over pinch rolls, guide roller, nip rolls, wind-up roll and main body traction electric machine, described glue spreading apparatus is made up of material fluid bath and applicator roll, described applicator roll is arranged at above described material fluid bath, described vertical oven groups is made up of symmetrically arranged first vertical baking oven and the second vertical baking oven, described let off roll, applicator roll, carry-over pinch rolls, guide roller, nip rolls and wind-up roll all link with main body traction electric machine, wherein, described glue spreading apparatus side is provided with described let off roll, described one group of vertical oven groups is provided with above this glue spreading apparatus, often organize above vertical oven groups and be provided with carry-over pinch rolls, described guide roller is arranged at described another and organizes below vertical oven groups, and be in transmission connection with described nip rolls and wind-up roll successively.
2. the coating machine for applying barrier film according to claim 1, it is characterized in that: described vertical oven groups is provided with tuyere, wherein, the top tuyere of the vertical oven groups of radix group is exhaust outlet, bottom tuyere is air inlet, and the top tuyere of the vertical oven groups of even number set is air inlet, bottom tuyere is exhaust outlet.
3. the coating machine for applying barrier film according to claim 1, is characterized in that: the first vertical baking oven of described vertical oven groups and the height of the second vertical baking oven are 1-2 rice, and with independently heat blowing device.
4. according to the coating machine for applying barrier film one of claim 1-3 Suo Shu, it is characterized in that: described vertical oven groups quantity is 2 groups.
5. the coating machine for applying barrier film according to claim 1, is characterized in that: also comprise kneading elements, and described kneading elements is made up of a pair nip roll setting up and down, and described nip roll is arranged at described carry-over pinch rolls side.
6. the coating machine for applying barrier film according to claim 5, is characterized in that: the roller footpath of described nip roll is the 60-80% of described guide roller.
7. the coating machine for applying barrier film according to claim 5 or 6, is characterized in that: the material of described nip roll is quality of rubber materials.
8. the coating machine for applying barrier film according to claim 7, is characterized in that: the quality of rubber materials of described nip roll is butyl rubber or polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526797.4A CN104588262A (en) | 2013-10-30 | 2013-10-30 | Coater for diaphragm coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526797.4A CN104588262A (en) | 2013-10-30 | 2013-10-30 | Coater for diaphragm coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104588262A true CN104588262A (en) | 2015-05-06 |
Family
ID=53114514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310526797.4A Pending CN104588262A (en) | 2013-10-30 | 2013-10-30 | Coater for diaphragm coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104588262A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129312A (en) * | 2016-09-13 | 2016-11-16 | 河北金力新能源科技股份有限公司 | A kind of preparation method of high temperature resistance multilayer composite lithium ion cell barrier film |
| CN106207052A (en) * | 2016-09-13 | 2016-12-07 | 河北金力新能源科技股份有限公司 | A kind of coating unit of high temperature resistance multilayer composite lithium ion cell barrier film |
| CN106207050A (en) * | 2016-08-30 | 2016-12-07 | 无锡溥汇机械科技有限公司 | A kind of lithium battery diaphragm produces uses unwinding and rewinding equipment |
| CN106179910A (en) * | 2016-07-14 | 2016-12-07 | 中山松德新材料装备有限公司 | A kind of vertical drying oven of high speed precoating film device |
| CN107812648A (en) * | 2017-10-19 | 2018-03-20 | 无锡沄沨科技有限公司 | A kind of lithium ion battery separator PVDF double-face spray painting system and methods |
| CN107999339A (en) * | 2017-12-14 | 2018-05-08 | 江门市多快好省机械有限公司 | A kind of novel coating machine |
| CN108787341A (en) * | 2018-06-27 | 2018-11-13 | 芜湖韩大防伪科技有限公司 | A kind of art post paperboard safety line production and processing set composite |
| CN109759296A (en) * | 2019-03-25 | 2019-05-17 | 包头昊明稀土新电源科技有限公司 | High speed coating machine furnace drying method and drying unit |
| KR20200068650A (en) * | 2017-09-11 | 2020-06-15 | 바브콕 앤드 윌콕스 메그텍, 엘엘시 | Web coating and calendering system and method |
| CN111495682A (en) * | 2020-05-14 | 2020-08-07 | 盐山万兴新能源有限公司 | S-shaped compaction roller type oily PVDF coating machine |
-
2013
- 2013-10-30 CN CN201310526797.4A patent/CN104588262A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179910A (en) * | 2016-07-14 | 2016-12-07 | 中山松德新材料装备有限公司 | A kind of vertical drying oven of high speed precoating film device |
| CN106207050A (en) * | 2016-08-30 | 2016-12-07 | 无锡溥汇机械科技有限公司 | A kind of lithium battery diaphragm produces uses unwinding and rewinding equipment |
| CN106207050B (en) * | 2016-08-30 | 2018-07-10 | 无锡溥汇机械科技有限公司 | A kind of lithium battery diaphragm production retractable volume equipment |
| CN106129312B (en) * | 2016-09-13 | 2019-01-25 | 河北金力新能源科技股份有限公司 | A kind of preparation method of high temperature resistance multilayer composite lithium ion cell diaphragm |
| CN106207052A (en) * | 2016-09-13 | 2016-12-07 | 河北金力新能源科技股份有限公司 | A kind of coating unit of high temperature resistance multilayer composite lithium ion cell barrier film |
| CN106129312A (en) * | 2016-09-13 | 2016-11-16 | 河北金力新能源科技股份有限公司 | A kind of preparation method of high temperature resistance multilayer composite lithium ion cell barrier film |
| CN106207052B (en) * | 2016-09-13 | 2019-04-09 | 河北金力新能源科技股份有限公司 | A kind of coating unit of high temperature resistance multilayer composite lithium ion cell diaphragm |
| CN111295550A (en) * | 2017-09-11 | 2020-06-16 | 杜尔系统公司 | Sheet coating and calendering system and method |
| KR20200068650A (en) * | 2017-09-11 | 2020-06-15 | 바브콕 앤드 윌콕스 메그텍, 엘엘시 | Web coating and calendering system and method |
| CN111295550B (en) * | 2017-09-11 | 2022-07-22 | 杜尔系统公司 | Sheet coating and calendering system and method |
| KR102642709B1 (en) * | 2017-09-11 | 2024-03-05 | 뒤르 시스템스, 인코포레이티드 | Web coating and calendaring systems and methods |
| CN107812648A (en) * | 2017-10-19 | 2018-03-20 | 无锡沄沨科技有限公司 | A kind of lithium ion battery separator PVDF double-face spray painting system and methods |
| CN107999339A (en) * | 2017-12-14 | 2018-05-08 | 江门市多快好省机械有限公司 | A kind of novel coating machine |
| CN108787341A (en) * | 2018-06-27 | 2018-11-13 | 芜湖韩大防伪科技有限公司 | A kind of art post paperboard safety line production and processing set composite |
| CN109759296A (en) * | 2019-03-25 | 2019-05-17 | 包头昊明稀土新电源科技有限公司 | High speed coating machine furnace drying method and drying unit |
| CN109759296B (en) * | 2019-03-25 | 2024-02-09 | 包头昊明稀土新电源科技有限公司 | Drying method and drying device for high-speed coating machine |
| CN111495682A (en) * | 2020-05-14 | 2020-08-07 | 盐山万兴新能源有限公司 | S-shaped compaction roller type oily PVDF coating machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150506 |