CN203620867U - Diaphragm coating machine - Google Patents
Diaphragm coating machine Download PDFInfo
- Publication number
- CN203620867U CN203620867U CN201320681541.6U CN201320681541U CN203620867U CN 203620867 U CN203620867 U CN 203620867U CN 201320681541 U CN201320681541 U CN 201320681541U CN 203620867 U CN203620867 U CN 203620867U
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- roll
- baking oven
- separate type
- applicator roll
- type baking
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Abstract
The utility model provides a diaphragm coating machine. The diaphragm coating machine comprises an unwinding roll, a gluing device, vertical drying oven units with even number, a pulling roll, a guide roll, a flattening roll, a winding-up roll and a main pulling motor, wherein the gluing device is composed of a feed liquid tank and a coating roll, the coating roll is arranged above the feed liquid tank, each vertical drying oven unit is composed of a first vertical drying oven and a second vertical drying oven which are arranged symmetrically, the unwinding roll, the coating roll, the pulling roll, the guide roll, the flattening roll and the winding-up roll are all linked with the main pulling motor, the unwinding roll is arranged at one side of the gluing device, one vertical drying oven unit is arranged above the gluing device, the pulling roll is arranged above the vertical drying oven unit, the guide roll is arranged below another vertical drying oven unit and is in transmission connection with the flattening roll and the winding-up roll respectively, and the coating machine can completely dry the solvent of the diaphragm by the coating system.
Description
Technical field
The utility model relates to battery isolating film and manufactures field, especially a kind of membrane coating machine.
Background technology
The coating modification of lithium ion battery separator is that the focus of current lithium battery industry is also difficult point, focus be lithium battery diaphragm self material heat resistance and mechanical strength poor, can not meet the demand of high-energy-density density and high capacity cell system, therefore by applying, the method for modification is improved its hot property and mechanical performance has become the important directions that domestic and international diaphragm material develops.Difficult point is: the first, membrane thicknesses is very thin, and at present main use model is generally in 20 microns, and the barrier film coated substrates of main flow has dropped to 12 microns of left and right at present; The second, because barrier film material is drawing process manufacture, certainly existing the laterally problem of arch, be difficult to guarantee for the barrier film matrix uniformity applying.Three, because the porosity of barrier film is very high, generally, more than 38%, macrovoid barrier film is even more than 50%, and the mechanical strength of 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.So membrane surface carries out modification and adds and be difficult to man-hour implement on common film coated machine.
Existing membrane coating machine coating method is single, and one side coating apparatus and two-sided while coating apparatus are widely different, substantially do not have compatible feasibility.This is mainly reflected in current one side coating apparatus and adopts horizontal drying oven structure, and double spread equipment adopts vertical drying oven structure.In the design of dispense tip, be also not there is compatibility in addition.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of membrane coating machine, and described coating machine can effectively solve the oven dry problem in barrier film coating process.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of membrane coating machine, comprise let off roll, carry-over pinch rolls, feeding device, upper station applicator roll, lower station applicator roll, horizontal drying oven group, guide roller and wind-up roll, described horizontal drying oven group is formed by least three sections of separate type baking oven level connection joints, in every section of separate type baking oven, be provided with transfer roller, wherein, each transfer roller in described first paragraph separate type baking oven is along same level spread configuration, each transfer roller in described second segment separate type baking oven is along same level spread configuration, and its level height is higher than the each transfer roller in first paragraph separate type baking oven, each transfer roller in described the 3rd section of separate type baking oven is different from the height distance of this baking oven bottom surface, thereby make barrier film to be applied with the each transfer roller in the 3rd section of separate type baking oven of cornerite canoe process, described let off roll successively with described carry-over pinch rolls, each transfer roller in horizontal drying oven group, guide roller and wind-up roll interlock, described upper station applicator roll and lower station applicator roll are arranged between described carry-over pinch rolls and horizontal drying oven group, and this lower station applicator roll and described horizontal drying oven group are positioned in same level, wherein go up station applicator roll and be used for being coated with cloth diaphragm upper surface layer, lower station applicator roll is used for being coated with cloth diaphragm undersurface layer, described feeding device is connected with described upper station applicator roll and lower station applicator roll respectively.
Preferably, above-mentioned membrane coating machine, the drying mode of described horizontal drying oven group is top and bottom forced air drying mode, the top and bottom of described first paragraph separate type baking oven and second segment separate type baking oven are respectively equipped with independently air-blast device, this air-blast device comprises air port, accurate wind pressure sensor, frequency conversion fan and programmable logic controller (PLC) (PLC), described air port be arranged at the outer surface of corresponding baking oven, this air port and frequency conversion fan associated, described frequency conversion fan and accurate wind pressure sensor, programmable logic controller (PLC) (PLC) connection.
Preferably, above-mentioned membrane coating machine, described horizontal drying oven group is formed by three sections of separate type baking oven level connection joints.
Preferably, above-mentioned membrane coating machine, described lower station applicator roll is replaceable parts.
The beneficial effects of the utility model are:
Above-mentioned membrane coating machine; the level that has solved two-sided coating simultaneously by unique applicator roll Position Design and oven structure design is dried problem; solved the compatibility issue of single double spread by the handover operation of applicator roll and guide roller simultaneously; there is the distinguishing feature that meets various barrier film coatings; can obviously save permanent plant investment; there is outstanding social benefit, be applicable to the needs that large-scale industrial is produced.
Accompanying drawing explanation
Fig. 1 is the structural representation of membrane coating machine described in the utility model;
Fig. 2 is the structural representation of the horizontal drying oven group of coating machine described in the utility model.
In figure, the upper station applicator roll of 1-let off roll 2-carry-over pinch rolls 3-feeding device 4-
Station applicator roll 6-horizontal drying oven group 6-1-first paragraph separate type baking oven under 5-
The 3rd section of separate type baking oven 6-4-transfer roller of 6-2-second segment separate type baking oven 6-3-
6-5-air-blast device 7-guide roller 8-wind-up roll
The specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, below in conjunction with the drawings and the specific embodiments, technical scheme described in the utility model is described in further detail.
A kind of membrane coating machine, comprise let off roll 1, carry-over pinch rolls 2, feeding device 3, upper station applicator roll 4, lower station applicator roll 5, horizontal drying oven group 6, guide roller 7 and wind-up roll 8, described horizontal drying oven group 6 is formed by three sections of separate type baking oven level connection joints, in every section of separate type baking oven, be provided with transfer roller 6-4, wherein, each transfer roller 6-4 in described first paragraph separate type baking oven 6-1 is along same level spread configuration, each transfer roller 6-4 in described second segment separate type baking oven 6-2 is along same level spread configuration, and its level height is higher than the each transfer roller 6-4 in first paragraph separate type baking oven 6-1, each transfer roller 6-4 in described the 3rd section of separate type baking oven 6-3 is different from the height distance of this baking oven bottom surface, thereby make barrier film to be applied with the each transfer roller 6-4 in the 3rd section of separate type baking oven 6-3 of cornerite canoe process, in coating process, barrier film does not contact with the each transfer roller 6-4 in first paragraph separate type baking oven 6-1 in first paragraph separate type baking oven 6-1, these transfer rollers 6-4 only passes the support in band and equipment broken belt situation as barrier film, in in second segment separate type baking oven 6-2, barrier film contacts with the each transfer roller 6-4 in second segment separate type baking oven 6-2, transfer roller 6-4 supports and draws barrier film and enters hypomere separate type baking oven by this section of separate type baking oven, in the 3rd section of separate type baking oven 6-3, the mode that barrier film is wound around with the cornerite of nearly 90 degree is through transfer roller 6-4, the transfer roller 6-4 of this section is mainly used in controlling the overall tension force of barrier film in this section of separate type baking oven, the drying mode of described horizontal drying oven group 6 is top and bottom forced air drying mode, the top and bottom of described first paragraph separate type baking oven 6-1 and second segment separate type baking oven 6-2 are respectively equipped with independently air-blast device 6-5, this air-blast device 6-5 comprises air port, accurately wind pressure sensor, frequency conversion fan and programmable logic controller (PLC) (PLC), described air port be arranged at the outer surface of corresponding baking oven, this air port and frequency conversion fan associated, described frequency conversion fan and accurate wind pressure sensor, programmable logic controller (PLC) (PLC) connection, thereby accurately control first paragraph separate type baking oven 6-1 top and bottom pressure reduction, and then guarantee the suspension effect that its internal diaphragm is good, described let off roll 1 successively with described carry-over pinch rolls 2, each transfer roller 6-4 in horizontal drying oven group 6, guide roller 7 and wind-up roll 8 interlocks, described upper station applicator roll 4 and lower station applicator roll 5 are arranged between described carry-over pinch rolls 2 and horizontal drying oven group 6, and this lower station applicator roll 5 is positioned in same level with described horizontal drying oven group 6, described lower station applicator roll 5 is replaceable parts, wherein go up station applicator roll 4 for being coated with cloth diaphragm upper surface layer, lower station applicator roll 5 is for being coated with cloth diaphragm undersurface layer, described feeding device 3 is connected with described upper station applicator roll 4 and lower station applicator roll 5 respectively, provide coating matrix material to it.
In use procedure, described upper station applicator roll 4 is for being coated with cloth diaphragm upper surface layer, its position can regulate by positioner, described lower station applicator roll 5 is for being coated with cloth diaphragm undersurface layer, arrange according to the position of applicator roll, barrier film is guiding horizontal position after this roller surface-coated, directly enters horizontal drying oven; In the time only needing one side coating, can easily lower station applicator roll 5 be replaced with to common guide roller 7, downward feeding device 3 station applicator roll 5 feed parts are closed, at this moment the barrier film that only upper surface applies level after upper station applicator roll 4 coatings enters horizontal drying oven dries, and adopts the mode of traction the same with double spread to complete rolling.
Above-mentioned detailed description of this kind of membrane coating machine being carried out with reference to the specific embodiment; illustrative rather than determinate; can list several embodiment according to institute's limited range; therefore in the variation and the modification that do not depart under the utility model general plotting, within should belonging to protection domain of the present utility model.
Claims (4)
1. a membrane coating machine, it is characterized in that: comprise let off roll, carry-over pinch rolls, feeding device, upper station applicator roll, lower station applicator roll, horizontal drying oven group, guide roller and wind-up roll, described horizontal drying oven group is formed by least three sections of separate type baking oven level connection joints, in every section of separate type baking oven, be provided with transfer roller, wherein, each transfer roller in described first paragraph separate type baking oven is along same level spread configuration, each transfer roller in described second segment separate type baking oven is along same level spread configuration, and its level height is higher than the each transfer roller in first paragraph separate type baking oven, each transfer roller in described the 3rd section of separate type baking oven is different from the height distance of this baking oven bottom surface, thereby make barrier film to be applied with the each transfer roller in the 3rd section of separate type baking oven of cornerite canoe process, described let off roll successively with described carry-over pinch rolls, each transfer roller in horizontal drying oven group, guide roller and wind-up roll interlock, described upper station applicator roll and lower station applicator roll are arranged between described carry-over pinch rolls and horizontal drying oven group, and this lower station applicator roll and described horizontal drying oven group are positioned in same level, wherein go up station applicator roll and be used for being coated with cloth diaphragm upper surface layer, lower station applicator roll is used for being coated with cloth diaphragm undersurface layer, described feeding device is connected with described upper station applicator roll and lower station applicator roll respectively.
2. membrane coating machine according to claim 1, it is characterized in that: the drying mode of described horizontal drying oven group is top and bottom forced air drying mode, the top and bottom of described first paragraph separate type baking oven and second segment separate type baking oven are respectively equipped with independently air-blast device, this air-blast device comprises air port, accurate wind pressure sensor, frequency conversion fan and programmable logic controller (PLC), described air port be arranged at the outer surface of corresponding baking oven, this air port and frequency conversion fan associated, described frequency conversion fan and accurate wind pressure sensor, programmable logic controller (PLC) connection.
3. membrane coating machine according to claim 1, is characterized in that: described horizontal drying oven group is formed by three sections of separate type baking oven level connection joints.
4. membrane coating machine according to claim 1, is characterized in that: described lower station applicator roll is replaceable parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681541.6U CN203620867U (en) | 2013-10-30 | 2013-10-30 | Diaphragm coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681541.6U CN203620867U (en) | 2013-10-30 | 2013-10-30 | Diaphragm coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203620867U true CN203620867U (en) | 2014-06-04 |
Family
ID=50807392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681541.6U Expired - Fee Related CN203620867U (en) | 2013-10-30 | 2013-10-30 | Diaphragm coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203620867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174538A (en) * | 2014-07-11 | 2014-12-03 | 湖北塑金复合材料有限责任公司 | Precoating wire aluminum coating process |
| CN106111491A (en) * | 2016-08-04 | 2016-11-16 | 海宁富邦汽车内饰有限公司 | A kind of blanking drying unit of leather surface finishing machine |
-
2013
- 2013-10-30 CN CN201320681541.6U patent/CN203620867U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174538A (en) * | 2014-07-11 | 2014-12-03 | 湖北塑金复合材料有限责任公司 | Precoating wire aluminum coating process |
| CN106111491A (en) * | 2016-08-04 | 2016-11-16 | 海宁富邦汽车内饰有限公司 | A kind of blanking drying unit of leather surface finishing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |