CN204380940U - A kind of lithium battery pole piece coating machine - Google Patents
A kind of lithium battery pole piece coating machine Download PDFInfo
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- CN204380940U CN204380940U CN201420841786.5U CN201420841786U CN204380940U CN 204380940 U CN204380940 U CN 204380940U CN 201420841786 U CN201420841786 U CN 201420841786U CN 204380940 U CN204380940 U CN 204380940U
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- applicator roll
- heating tube
- lithium battery
- coating
- substrate sheets
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Abstract
The coating uniform that the utility model discloses its substrate sheets a kind of is consistent, dries homogeneous heating, can improve drying effect, to such an extent as to effectively improve the lithium battery pole piece coating machine of product quality.Comprise unwinding device and wrap-up, painting shoe device, feeding device, drying channel and corresponding drying unit, described painting is carried out device and is comprised the coating head corresponding with corresponding substrate sheets, applicator roll and transfer rubber roll, heating tube is provided with in described applicator roll, the outer surface of described applicator roll is provided with temperature probe, the middle part of described applicator roll is provided with centre bore, described heating tube is located in the described centre bore of applicator roll, and described heating tube and temperature probe are connected with corresponding heating control system electrical signal line respectively.
Description
Technical field
The utility model relates to a kind of lithium battery, particularly relates to a kind of lithium battery pole piece coating machine.
Background technology
Lithium battery, as the fresh combatants of a kind of emerging energy storage carrier and new energy field, will play the part of more and more important role in the process changing human life style.
The preparation process of lithium battery generally comprises stirring, is coated with, colds pressing, cutting, reel, change into and the operations such as capacity.Wherein, the painting process of pole piece is the critical process in Production Process of Lithium Battery, and the quality of coating and the uniformity of coating directly affect the capacity of battery, security and cost.Therefore, the important topic that the quality of painting process and uniformity become lithium battery industry is improved.
The interference factor of coating process is quite complicated, and the structure, drying mode, Heating State etc. of the drying device of such as coating machine all can produce considerable influence.The structure etc. of the uniformity of the coating of such as slurry and coating method, apparatus for coating is closely related again.Its drying of existing apparatus for coating adds hot wind supply below mostly being and adopting and discharges from top, its homogeneous heating degree will be greatly affected, because substrate sheets is generally horizontal feed, the heating degree of its upper wall surface and lower wall surface there are differences, its variant section also there are differences, and heat supply cloth wind structure is also reasonable not.Simultaneously, its slurry coating method of existing apparatus for coating is the wall supply of slurry from substrate sheets mostly, its another wall adheres to by the scraper etc. of corresponding paint roller with the side of being located thereon, there is the deviation being coated with material loading at the very start in this structure and coating method, coating thickness, the uniformity coefficient of its slurry must be affected, and its Painting effect is relatively poorer.
Utility model content
The purpose of this utility model is the deficiency existed for above-mentioned prior art, provides a kind of lithium battery pole piece coating machine.This lithium battery pole piece coating machine is simple and reasonable for structure, and the coating uniform of its substrate sheets is consistent, dries homogeneous heating, can improve drying effect, to such an extent as to effectively improve product quality.
The technical solution of the utility model comprises unwinding device and device, feeding device, drying channel and corresponding drying unit are carried out in wrap-up, painting, described painting is carried out device and is comprised the coating head corresponding with corresponding substrate sheets, applicator roll and transfer rubber roll, it is characterized in that being provided with heating tube in described applicator roll, the outer surface of described applicator roll is provided with temperature probe, the middle part of described applicator roll is provided with centre bore, described heating tube is located in the described centre bore of applicator roll, and described heating tube and temperature probe are connected with corresponding heating control system electrical signal line respectively.
The utility model lithium battery pole piece coating machine utilizes applicator roll heating tube, constant applicator roll surface temperature, guarantees slurry temperature uniformity and coating thickness uniformity, reduces fraction defective in manufacture process.When coating machine works under the environment that the temperature difference is larger, applicator roll heating constant-temperature equipment will start automatically, heats applicator roll, and the temp probe be arranged in applicator roll and slurry feeds back to temperature control system actual temperature, thus realizes automatic constant-temperature function.Ensure that coating uniformity.The performance etc. such as capacity, safety of lithium ion battery can be improved to a certain extent.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram.
Detailed description of the invention
Now by embodiment, also the utility model is described in further detail by reference to the accompanying drawings.As shown in Figure 1, the utility model lithium battery pole piece coating machine comprises painting shoe device 1, drying channel, gas-heating apparatus, unreels and wrap-up 12 and 13 etc.Its drying channel comprises main baking passage 3 and preliminary drying passage 2, is coated with shoe device 1 and comprises the corresponding coating head 5 corresponding to substrate sheets 9 and applicator roll 7.Its coating head 5 comprises corresponding nozzle, is coated in substrate sheets 9 by the slurry of size barrel 4 by its nozzle by coating head 5.
Preliminary drying passage 2 is arranged to be coated with to be carried out between device 1 and main baking passage 3, main baking passage 3 and preliminary drying passage 2 are respectively equipped with corresponding drying device, its drying device comprise gas heater and arrange in pairs some to rectangular cloth tuyere 8, the two rectangular cloth tuyeres 8 often forming a pair left and right of being located at preliminary drying passage 2 and/or corresponding substrate sheets 9 respectively is symmetrically relative to the both sides relatively up and down of both sides and main baking passage 3 and/or corresponding substrate sheets 9.The width of rectangular cloth tuyere 8 is corresponding to the corresponding width of substrate sheets 9 or corresponding preliminary drying and main baking passage, and each two corresponding setting directions of rectangular cloth tuyere 8 forming a pair be respectively respectively with the throughput direction opposite tilt of substrate sheets 9.Each pair of rectangular cloth tuyere 8 is connected with corresponding gas heater 15 by the trousers shape pipe 14 being similar to trousers shape.The shape of cross section of rectangular cloth tuyere 8 is rectangular.Two branched pipes of trousers shape pipe 14 are symmetrical and isometric.
The gas heater temperature of preliminary drying passage 2 is lower than gas heater 15 heating-up temperature of main baking passage 3.Main baking passage 3 leans on the heating-up temperature of the gas heater 15 of the input of substrate sheets 9 to lean on the heating-up temperature of the corresponding gas heater 15 of the exit end of substrate sheets higher than it.Corresponding temperature inspection and control device is respectively equipped with in preliminary drying passage 2 and main baking passage 3.
Be provided with one to the rectangular funnel shaped flared exhaust nozzle 10 of its shape of cross section at the output of main baking passage 3, two exhaust nozzles 10 forming a pair are connected symmetrically to each other in the two lateral walls up and down of main baking passage 3.The top of preliminary drying passage 2 is provided with a flared exhaust nozzle 10.The throat width of funneling exhaust nozzle 10 is corresponding to the corresponding width of main baking passage 3 and preliminary drying passage 2.Corresponding exhaust nozzle 10 is connected with corresponding air-introduced machine 16 respectively by trousers shape pipe.
Applicator roll 7 is provided with centre bore, and applicator roll 7 is provided with the heating tube 19 being positioned at its centre bore, and the outer surface of applicator roll 7 is provided with temperature probe 18, and heating tube 19 and temperature probe 18 are connected with corresponding heating control system electrical signal line respectively.First loaded by heating tube 4 in the centre bore of applicator roll 1, when starting to be coated with under the control of heating control system, heating tube is lowered the temperature according to the warm automatic heating of slurry or applicator roll.
Its feeding device comprises size barrel 4, screw pump 26 and coating head 5, slurry bung 23 is provided with above size barrel 4, size barrel 4 lower sidewalls is provided with size barrel valve 24, screw pump 6 comprises screw pump charging aperture and screw pump discharging opening, size barrel valve 24 is connected with screw pump charging aperture, screw pump discharging opening is connected by pipe-and-filter 30, and filter 30 is connected with coating head 5 by pipeline again.Coating head 5 is applicable to extrusion coated process.Size barrel 4 top is provided with liquid level gauge 22.Size barrel liquid level is controlled by liquid level gauge 22.
Filter 30 can filter out larger particles in slurry, avoids larger particles to cause substrate sheets surface to produce cut and salient point etc. bad, in addition, and the blocking filter occurred after larger particles can be avoided to assemble and conduit and affect the phenomenon of substrate sheets density.
Filter 30 comprises filter charging aperture and filter discharging opening, screw pump discharging opening is connected by pipe-and-filter charging aperture, filter discharging opening is connected with coating head 5 by pipeline, filter charging aperture is provided with feed pressure meter 28, filter discharging opening is provided with discharge pressure meter 32, to make the pressure differential of real-time monitor filter charging aperture and filter discharging opening.In addition, feed pressure meter 28 is arranged on the pipeline between screw pump discharging opening and filter charging aperture; Discharge pressure meter 32 can be arranged on the pipeline that is connected with filter discharging opening.
Substrate sheets 14 enters painting from unwinding device 12 through input pair roller 6 and carries out device 1, by its nozzle, the slurry of size barrel 4 is coated in substrate sheets 9 by being coated with the coating head 5 of carrying out device 1, be coated with the substrate sheets 9 of carrying out after slurry and enter preliminary drying passage 2, low-temperature prewarming baking is carried out in preliminary drying passage 2, be delivered into afterwards become owner of dry passage 3 dry again, finally carry out rolling by wrap-up 13.Effectively can improve the homogeneity of coating density, and reduce substrate sheets bad order rate.
In another embodiment of the utility model, in preliminary drying passage, be also provided with the warm-up mill of the input being positioned at input pair roller 6 for a pair, the electrically heated rod that warm-up mill comprises metal roller and is located in metal roller.Air blast is connected with between gas heater 15 and trousers shape pipe.All the other structures of this example can with above-described embodiment roughly the same.
The utility model, again in an embodiment, also can arrange a pair exhaust nozzle 10 in the relative bilateral symmetry of the preliminary drying passage 2 of the axial direction of input pair roller.All the other structures of this example can with above-mentioned any embodiment roughly the same.
Claims (1)
1. a lithium battery pole piece coating machine, comprise unwinding device and wrap-up, painting shoe device, feeding device, drying channel and corresponding drying unit, described painting is carried out device and is comprised the coating head corresponding with corresponding substrate sheets, applicator roll and transfer rubber roll, it is characterized in that being provided with heating tube in described applicator roll, the outer surface of described applicator roll is provided with temperature probe, the middle part of described applicator roll is provided with centre bore, described heating tube is located in the described centre bore of applicator roll, and described heating tube and temperature probe are connected with corresponding heating control system electrical signal line respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841786.5U CN204380940U (en) | 2014-12-28 | 2014-12-28 | A kind of lithium battery pole piece coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420841786.5U CN204380940U (en) | 2014-12-28 | 2014-12-28 | A kind of lithium battery pole piece coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204380940U true CN204380940U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420841786.5U Active CN204380940U (en) | 2014-12-28 | 2014-12-28 | A kind of lithium battery pole piece coating machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN204380940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941881A (en) * | 2015-07-08 | 2015-09-30 | 厦门保沣实业有限公司 | Central supply system for sealing rubber |
| CN105797922A (en) * | 2016-04-12 | 2016-07-27 | 江苏金帆展宇新能源科技有限公司 | Spot excavating device and spot-excavating type coating machine |
-
2014
- 2014-12-28 CN CN201420841786.5U patent/CN204380940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941881A (en) * | 2015-07-08 | 2015-09-30 | 厦门保沣实业有限公司 | Central supply system for sealing rubber |
| CN105797922A (en) * | 2016-04-12 | 2016-07-27 | 江苏金帆展宇新能源科技有限公司 | Spot excavating device and spot-excavating type coating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 336000 Yichun economic and Technological Development Zone, Jiangxi, Yichun Patentee after: FIRST NEW ENERGY GROUP CO., LTD. Address before: 336000, No. 39, FA FA Avenue, Yichun Economic Development Zone, Yichun, Jiangxi Patentee before: Foster new forms of energy Group Co., Ltd of Jiangxi Province |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 336000 Yichun economic and Technological Development Zone, Jiangxi, Yichun Patentee after: Jiangxi Far East Battery Co., Ltd Address before: 336000 Yichun economic and Technological Development Zone, Jiangxi, Yichun Patentee before: FAR EAST FIRST NEW ENERGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |