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 PDF

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Publication number
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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China
Prior art keywords
coating
drying device
lfd
leading
ceramic coating
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Pending
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CN202111640069.7A
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Chinese (zh)
Inventor
曹立宏
张嘉平
钱浩
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Wuxi Hongrui Machinery Manufacturing Co ltd
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Wuxi Hongrui Machinery Manufacturing Co ltd
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Priority to CN202111640069.7A priority Critical patent/CN114311958A/en
Publication of CN114311958A publication Critical patent/CN114311958A/en
Pending legal-status Critical Current

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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

Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine
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.
CN202111640069.7A 2021-12-29 2021-12-29 Lithium cell electrode production is with high-speed two-sided intaglio printing coating machine Pending CN114311958A (en)

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

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CN114311958A true CN114311958A (en) 2022-04-12

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Citations (18)

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Publication number Priority date Publication date Assignee Title
CN101656276A (en) * 2009-09-17 2010-02-24 中电电气(南京)光伏有限公司 Method for preparing crystalline silicon solar battery electrode by utilizing overprinting way
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
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
CN204208740U (en) * 2014-09-23 2015-03-18 云南能投汇龙科技股份有限公司 A kind of lithium battery electrode plate coating machine
CN204866381U (en) * 2015-07-15 2015-12-16 宁德时代新能源科技有限公司 Secondary cell pole piece coating unit
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CN207655430U (en) * 2017-12-09 2018-07-27 山东德朗能新能源科技有限公司 A kind of lithium battery pole piece coating machine
CN109569969A (en) * 2018-12-24 2019-04-05 中山松德新材料装备有限公司 A kind of high-speed broad-width lithium battery pole piece coating machine
CN109817895A (en) * 2019-03-15 2019-05-28 湖北锂诺新能源科技有限公司 A kind of high safety, the preparation method of high-performance lithium battery cathode electrode
CN109860486A (en) * 2018-12-30 2019-06-07 湖北金泉新材料有限责任公司 A kind of battery separator and preparation method thereof
CN210110925U (en) * 2019-06-02 2020-02-21 长沙新材料产业研究院有限公司 Multifunctional coating machine for lithium ion battery
CN210646954U (en) * 2019-08-30 2020-06-02 银隆新能源股份有限公司 Multilayer coating device
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

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656276A (en) * 2009-09-17 2010-02-24 中电电气(南京)光伏有限公司 Method for preparing crystalline silicon solar battery electrode by utilizing overprinting way
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
CN204208740U (en) * 2014-09-23 2015-03-18 云南能投汇龙科技股份有限公司 A kind of lithium battery electrode plate coating machine
CN204866381U (en) * 2015-07-15 2015-12-16 宁德时代新能源科技有限公司 Secondary cell pole piece coating unit
CN205934571U (en) * 2016-08-09 2017-02-08 浙江鑫丰特种纸业股份有限公司 Coating line device of outer bag paper of fruit is educated in production
CN207655430U (en) * 2017-12-09 2018-07-27 山东德朗能新能源科技有限公司 A kind of lithium battery pole piece coating machine
CN107984882A (en) * 2017-12-17 2018-05-04 佛山鹏程易胜机械有限公司 Lithium ion battery production coating intaglio printing machine equipment
CN109569969A (en) * 2018-12-24 2019-04-05 中山松德新材料装备有限公司 A kind of high-speed broad-width lithium battery pole piece coating machine
CN109860486A (en) * 2018-12-30 2019-06-07 湖北金泉新材料有限责任公司 A kind of battery separator and preparation method thereof
CN109817895A (en) * 2019-03-15 2019-05-28 湖北锂诺新能源科技有限公司 A kind of high safety, the preparation method of high-performance lithium battery cathode electrode
CN210110925U (en) * 2019-06-02 2020-02-21 长沙新材料产业研究院有限公司 Multifunctional coating machine for lithium ion battery
CN210646954U (en) * 2019-08-30 2020-06-02 银隆新能源股份有限公司 Multilayer coating device
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

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Application publication date: 20220412

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