CN114311958A - Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine - Google Patents
Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine Download PDFInfo
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- CN114311958A CN114311958A CN202111640069.7A CN202111640069A CN114311958A CN 114311958 A CN114311958 A CN 114311958A CN 202111640069 A CN202111640069 A CN 202111640069A CN 114311958 A CN114311958 A CN 114311958A
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- coating
- drying device
- lfd
- leading
- ceramic coating
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- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000007639 printing Methods 0.000 title claims description 3
- 238000001035 drying Methods 0.000 claims abstract description 40
- 238000005524 ceramic coating Methods 0.000 claims abstract description 24
- 238000003851 corona treatment Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 abstract description 8
- 239000000919 ceramic Substances 0.000 abstract description 6
- 238000007646 gravure printing Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The high-speed double-sided gravure printing coating machine for producing the lithium battery electrode can coat two kinds of coatings on the front side and the back side respectively, and can realize rolling after one-time processing is finished; the invention can coat two paints of LFD and ceramics on the front surface at one time, and coat two paints of LFD and ceramics on the back surface at one time, and the coating of the two surfaces is simultaneously finished at one time; the product coated by the invention has high precision, and the vertical and horizontal alignment precision of the patterns is ensured to be +/-0.2 mm. By using the invention, the yield and the production efficiency of secondary coating are greatly improved, the labor is saved, and the processing period and the energy consumption are greatly reduced. The invention comprises an unreeling device, a corona treatment device, a leading-in traction device, a front LFD coating and drying device, a front ceramic coating and drying device, a back LFD coating and drying device, a back ceramic coating and drying device, an electrode quality inspection device, a leading-out traction device and a reeling device.
Description
Technical Field
The invention relates to the technical field of lithium battery electrode production, in particular to a high-speed double-sided gravure printing coating machine for lithium battery electrode production.
Background
At present, in the production process of lithium battery electrodes, two different coatings need to be sequentially coated on the patterns on each surface of an aluminum foil or a copper foil, the coated patterns are usually block-shaped, and the patterns need to be accurately aligned in a longitudinal direction and a transverse direction. The existing double-sided gravure coating machine can only roll up after coating a coating with one characteristic on the front side and the back side, and the second coating needs to be printed and coated for the second time. Therefore, the existing coating machine has the advantages of low coating yield and production efficiency, more manual use, larger processing period and energy consumption.
Disclosure of Invention
In order to overcome the defects of the technology, the invention aims to provide a high-speed double-sided gravure printing coating machine for producing a lithium battery electrode.
The technical scheme adopted by the invention is as follows: a high-speed double-sided gravure printing coating machine for producing lithium battery electrodes comprises an unreeling device, a corona treatment device, a leading-in traction device, a front LFD coating and drying device, a front ceramic coating and drying device, a back LFD coating and drying device, a back ceramic coating and drying device, an electrode quality inspection device, a leading-out traction device and a reeling device, the front ceramic coating and drying device is provided with a first photoelectric automatic alignment module, the back ceramic coating and drying device is provided with a second photoelectric automatic alignment module, the electrode quality inspection device comprises a back side ceramic coating and drying device, a back side LFD coating and drying device, an unreeling device, a corona treatment device, a leading-in traction device, a front side LFD coating and drying device, a front side ceramic coating and drying device, a leading-out traction device and a reeling device which are sequentially arranged at intervals from front to back, and the electrode quality inspection device is arranged on the right side of the leading-out traction device.
Compared with the prior art, the invention has the following beneficial effects: the invention has reasonable layout and structure, can coat two kinds of coatings with different characteristics on the front and back sides respectively, and realizes rolling after one-time processing; the invention can coat two paints of LFD and ceramics on the front surface at one time, and coat two paints of LFD and ceramics on the back surface at one time, and the coating of the two surfaces is simultaneously finished at one time; the product coated by the invention has high precision, and the vertical and horizontal alignment precision of the patterns is ensured to be +/-0.2 mm. By using the invention, the yield and the production efficiency of secondary coating are greatly improved, the labor is saved, and the processing period and the energy consumption are greatly reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
As shown in figure 1, the high-speed double-sided gravure printing coating machine for producing the lithium battery electrode comprises an unreeling device 1, a corona treatment device 2, a leading-in traction device 3, a front LFD coating and drying device 4, a front ceramic coating and drying device 5, a back LFD coating and drying device 6, a back ceramic coating and drying device 7, an electrode quality inspection device 8, a leading-out traction device 9 and a reeling device 10, wherein a first photoelectric automatic alignment module 11 is arranged on the front ceramic coating and drying device 5, a second photoelectric automatic alignment module 12 is arranged on the back ceramic coating and drying device 7, the back LFD coating and drying device 6, the unreeling device 1, the corona treatment device 2, the leading-in traction device 3, the front LFD coating and drying device 4, and the front ceramic coating and drying device 5, The leading-out traction device 9 and the winding device 10 are sequentially arranged from front to back at intervals, and the electrode quality inspection device 8 is arranged on the right side of the leading-out traction device 9.
When the device works, a raw roll material is unreeled through an unreeling device 1 and then enters a corona treatment device 2 for surface treatment of the front side and the back side, the treated raw roll material is introduced into a front side LFD coating and drying device 4 through an introduction traction device 3, LFD coating and drying are carried out on the front side in the front side LFD coating and drying device 4 according to a designed pattern plate roller, then the treated raw roll material enters a front side ceramic coating and drying device 5, and ceramic coating is aligned to a pattern coated with the LFD coating under the alignment function of a first photoelectric automatic alignment module 11, so that the ceramic coating is coated and dried on the front side pattern; the coiled material enters the back side LFD coating and drying device 6 again, and is arranged in the back side LFD coating and drying device 6.
And the back surface is coated and dried by LFD paint according to the designed pattern plate roller, and then the back surface enters a back surface ceramic coating and drying device 7, and the ceramic paint is aligned to the pattern coated with the LFD paint under the alignment function of the second photoelectric automatic alignment module 12, so that the back surface pattern is coated with the ceramic paint and dried. The dried coiled material enters an electrode quality inspection device 8, the surface quality of the coating on the front and back surfaces of the coiled material is inspected, and the qualified product is led out by a leading-out traction device 9 and wound by a winding device 10.
The raw roll material is an aluminum foil or a copper foil, the surface of the material after corona treatment reaches more than 40 dynes, and the adhesion of the coating on the aluminum foil or the copper foil can be enhanced through the corona treatment.
The invention can meet the requirement of lithium battery electrode products that each surface of an aluminum foil or a copper foil needs to be coated with two different coatings, wherein the coating comprises the following components: LFP coating, coating two: ceramic coating, coating in block pattern, and requiring pattern alignment. The invention can coat two kinds of coatings on the front and back surfaces, and realizes winding after one-time processing. The product coated by the invention has high precision, and the vertical and horizontal alignment precision of the patterns is ensured to be +/-0.2 mm. By using the invention, the secondary coating yield is 99%, the production efficiency is high, the labor ratio is reduced by 50%, the processing period is reduced by 50%, and the energy consumption is reduced by 30%.
The above embodiments are based on the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the scope of the present invention is not limited to the above embodiments.
Claims (1)
1. The utility model provides a lithium cell electrode production is with high-speed two-sided intaglio printing coating machine which characterized in that: comprises an unreeling device, a corona treatment device, a leading-in traction device, a front LFD coating and drying device, a front ceramic coating and drying device, a back LFD coating and drying device, a back ceramic coating and drying device, an electrode quality inspection device, a leading-out traction device and a reeling device, the front ceramic coating and drying device is provided with a first photoelectric automatic alignment module, the back ceramic coating and drying device is provided with a second photoelectric automatic alignment module, the electrode quality inspection device comprises a back side ceramic coating and drying device, a back side LFD coating and drying device, an unreeling device, a corona treatment device, a leading-in traction device, a front side LFD coating and drying device, a front side ceramic coating and drying device, a leading-out traction device and a reeling device which are sequentially arranged at intervals from front to back, and the electrode quality inspection device is arranged on the right side of the leading-out traction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640069.7A CN114311958A (en) | 2021-12-29 | 2021-12-29 | Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640069.7A CN114311958A (en) | 2021-12-29 | 2021-12-29 | Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114311958A true CN114311958A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111640069.7A Pending CN114311958A (en) | 2021-12-29 | 2021-12-29 | Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114311958A (en) |
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| CN214440551U (en) * | 2021-01-25 | 2021-10-22 | 佛山鹏程易胜机械有限公司 | Lithium battery pole piece primary coating machine capable of repeatedly positioning and coating |
| CN113594399A (en) * | 2021-06-21 | 2021-11-02 | 上海兰钧新能源科技有限公司 | Lithium battery pole piece and coating manufacturing method thereof |
| CN113745448A (en) * | 2021-08-30 | 2021-12-03 | 湖北亿纬动力有限公司 | Preparation method of pole piece and lithium battery |
-
2021
- 2021-12-29 CN CN202111640069.7A patent/CN114311958A/en active Pending
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| CN202345004U (en) * | 2011-11-27 | 2012-07-25 | 西安新达机械有限公司 | Positive and negative printing registration device of high-speed medicinal aluminum foil printing coating machine |
| JP2014021239A (en) * | 2012-07-17 | 2014-02-03 | V Technology Co Ltd | Exposure device |
| CN105474440A (en) * | 2013-09-02 | 2016-04-06 | 株式会社Lg化学 | Anode for secondary battery and secondary battery including same |
| CN104014461A (en) * | 2014-06-24 | 2014-09-03 | 东莞市海中机械有限公司 | Double-faced coating machine for lithium battery material |
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Application publication date: 20220412 |
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