阅读说明：本技术 一种宽幅高速锂电池极片底涂机 (Wide-width high-speed lithium battery pole piece primary coating machine ) 是由 张幸彬 于 2021-01-25 设计创作，主要内容包括：本发明公开了一种宽幅高速锂电池极片底涂机,包括收卷单元和放卷单元,所述放卷单元的右侧设置有放卷牵引单元,所述放卷牵引单元的右侧设置有A面涂布单元,所述A面涂布单元的输出端设置有A面干燥单元,所述A面干燥单元的输出端设置有B面涂布单元,并且B面涂布单元的输出端设置有B面干燥单元,所述B面干燥单元和收卷单元之间设置有收卷牵引单元,所述放卷单元包括双工位转盘,并且双工位转盘的正面设置有放卷料卷和待放卷料卷,解决了现有技术的底涂机一般都是单工位,换卷时需要停机接换料卷后再开机生产而导致其工作效率低和影响其整机运行速度的问题。(The invention discloses a wide high-speed lithium battery pole piece base coating machine, which comprises a winding unit and an unwinding unit, the right side of the unreeling unit is provided with an unreeling traction unit, the right side of the unreeling traction unit is provided with an A-surface coating unit, the output end of the A surface coating unit is provided with an A surface drying unit, the output end of the A surface drying unit is provided with a B surface coating unit, and the output end of the B surface coating unit is provided with a B surface drying unit, a rolling traction unit is arranged between the B surface drying unit and the rolling unit, the rolling unit comprises a double-station turntable, and the front side of the double-station turntable is provided with the unwinding material roll and the material roll to be unwound, so that the problems that the prime coat machine in the prior art is generally a single station, and the machine is started for production after the machine is stopped and the material roll is replaced during roll replacement, so that the working efficiency is low and the running speed of the whole machine is influenced are solved.)

1. A wide-width high-speed lithium battery pole piece base coating machine comprises a winding unit (1) and an unwinding unit (2), and is characterized in that; an unreeling traction unit (3) is arranged on the right side of the unreeling unit (2), an A-surface coating unit (4) is arranged on the right side of the unreeling traction unit (3), an A-surface drying unit (5) is arranged at the output end of the A-surface coating unit (4), a B-surface coating unit (6) is arranged at the output end of the A-surface drying unit, a B-surface drying unit (7) is arranged at the output end of the B-surface coating unit (6), and a reeling traction unit (8) is arranged between the B-surface drying unit (7) and the reeling unit (1);

the winding unit (1) comprises a double-station turntable, a winding material roll (21) and a material roller (22) to be wound are arranged on the front face of the double-station turntable, a winding material receiving press roller (23) is arranged on the left side of the winding unit (1), and a winding reel changing cutter (24) is arranged on the right side of the bottom of the winding material receiving press roller (23).

2. The base coating machine for the wide high-speed lithium battery pole piece according to claim 1, characterized in that: the unwinding unit (2) comprises a double-station turntable, and an unwinding material roll (9) and a material roll to be unwound (10) are arranged on the front surface of the double-station turntable.

3. The base coating machine for the wide high-speed lithium battery pole piece according to claim 1, characterized in that: unreel unit (2) right side top and be provided with and unreel and connect material compression roller (11) to it unreels and changes a roll cutter (12) to unreel to connect one side of material compression roller (11).

4. The base coating machine for the wide high-speed lithium battery pole piece according to claim 1, characterized in that: the surface A coating unit (4) comprises a surface A printing press roller (13) and a surface A printing plate roller (14), and the surface B coating unit (6) comprises a surface B printing press roller (15) and a surface B printing plate roller (16).

5. The base coating machine for the wide high-speed lithium battery pole piece according to claim 1, characterized in that: unreel traction unit (3) including unreeling and pull steel roller (17) and unreel and pull gluey compression roller (18), rolling traction unit (1) is including rolling and pull steel roller (19) and rolling and pull gluey compression roller (20).

Technical Field

The invention relates to the technical field of lithium battery production, in particular to a wide-width high-speed lithium battery pole piece priming machine.

Background

At present, because the structural design of a prime coating machine used by lithium battery manufacturing enterprises is unreasonable, the prime coating machine is generally produced by starting up after a single-station machine is stopped and material rolls are replaced, so that the working speed of the prime coating machine is below 60 m/min, the prime coating machine is only suitable for coating materials with the width of below 1000mm, and various performances of the prime coating machine are still required to be greatly improved.

In order to realize double-sided coating, the chinese patent publication No. CN105921362A, the patent name "a coating machine front and back side coating alignment system", the publication No. CN106626723A, the patent name "a double-sided foam printing machine", the publication No. CN107984882A, the patent name "a coating gravure printing machine for lithium ion battery production", and the patent number "2020221200121", the patent name "a substrate surface dust removal system" all work in a single station manner, although it can realize double-sided coating or printing on a substrate, it cannot realize automatic roll changing without machine halt and continuous production without machine halt in the roll changing process, and cannot realize the phenomenon that the working speed can be increased to more than 100 m/min, and the substrate is easily wrinkled when the working speed is higher than 60 m/min. And the current lithium battery pole piece prime coating machine is unreasonable in structural design, so that the current lithium battery pole piece prime coating machine cannot be suitable for coating materials with the width of more than 1200 mm.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a wide-width high-speed lithium battery pole piece bottom coating machine, which has the advantages that a series of operations such as unreeling, traction transmission, A-surface printing, A-surface drying, B-surface printing, B-surface drying, traction material collection, automatic unreeling and reel changing, automatic reeling and reel changing and the like can be completed on a substrate on one device through the integral structural design, the setting of an unreeling and receiving press roller and a reeling and receiving press roller can ensure that the substrate smoothly enters a reeling shaft, the wide-width lithium battery pole piece bottom coating machine can be suitable for coating operation of lithium battery pole piece materials with the width of more than or equal to 1200mm, the structure of the unreeling unit and the unreeling unit is respectively designed, the complete machine can be changed under the condition of no stop through the double-station reeling and unreeling unit, the unreeling and reel changing cutter and the reeling and the reel changing cutter, the operation speed of the wide-width high-speed lithium battery, the base material can be ensured not to wrinkle when the working speed of the base material is more than or equal to 100 m/min, and the problems that the lithium battery pole piece prime coating machine in the prior art is generally of a single-station structure, the whole machine operation is influenced because the machine needs to be stopped to connect and change a material roll and then started for production when the material roll is changed, and the working speed of the whole machine is only below 60 m/min are effectively solved.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high-speed lithium-ion battery pole piece prime coat machine of broad width, includes the rolling unit and unreels the unit, the right side of unreeling the unit is provided with unreels the traction unit, the right side of unreeling the traction unit is provided with A face coating unit, the output of A face coating unit is provided with A face drying unit, the output of A face drying unit is provided with B face coating unit to B face coating unit's output is provided with B face drying unit, be provided with the rolling traction unit between B face drying unit and the rolling unit.

Preferably: the unwinding unit comprises a double-station turntable, and an unwinding material roll and a material roll to be unwound are arranged on the front side of the double-station turntable.

Preferably: unreel the unit right side top and be provided with and unreel and connect the material compression roller to it is provided with to unreel and changes a roll cutter to unreel one side of connecing the material compression roller.

Preferably: the surface A coating unit comprises a surface A printing press roller and a surface A printing plate roller, and the surface B coating unit comprises a surface B printing press roller and a surface B printing plate roller.

Preferably: unreel the drive unit and draw the steel roll and unreel and draw gluey compression roller including unreeling, rolling drive unit draws the steel roll including the rolling, and the rolling draws gluey compression roller.

Preferably: the winding unit comprises a double-station turntable, a winding material roll and a material roller to be wound are arranged on the front side of the double-station turntable, a winding material receiving compression roller is arranged on the left side of the winding unit, and a winding roll changing cutter is arranged on the right side of the bottom of the winding material receiving compression roller. One side of the winding material roll and one side of the material roller to be wound are respectively provided with a motor for driving the winding material roll to rotate to receive materials, so that the uncoiled substrate can be conveyed from the uncoiling unit to the winding unit under the driving of the motor.

Preferably: the controller is respectively in signal control with each unit and is a PLC (programmable logic controller), and the PLC can adopt but is not limited to a PLC with a brand of VIGOR/Fengwu and a goods number of 4586 sold on Aliskia.

Advantageous effects

The invention provides a wide-width high-speed lithium battery pole piece base coating machine. The method has the following beneficial effects:

(1) the wide-width high-speed lithium battery pole piece bottom coating machine has the advantages that the structures of the unwinding unit, the unwinding traction unit, the winding unit and the like are designed, so that the base material can be enabled to smoothly enter the winding shaft through the arrangement of the unwinding material receiving compression roller and the winding material receiving compression roller, and the wide-width high-speed lithium battery pole piece bottom coating machine can be suitable for the coating operation of lithium battery pole piece materials with the width larger than or equal to 1200 mm. And simultaneously, the base material can be ensured not to have wrinkles under the condition that the working speed is more than or equal to 100 meters per minute.

(2) This high-speed lithium-ion battery pole piece primary coat machine of broad width, this equipment structure scientific and reasonable uses easy operation convenience to receive through the duplex position and unreel the unit, unreel the change of lap cutter and the setting of rolling change of lap cutter can realize changing the book under the circumstances of not shutting down.

(3) The whole structure design of the automatic unwinding and winding machine can realize a series of operations such as unwinding, traction and transmission, A-side printing, A-side drying, B-side printing, B-side drying, traction and material collection, automatic unwinding and winding under the condition that the reel change does not need to be stopped, so that the problem that the working speed is reduced due to the shutdown of the reel change and the problem that a plurality of different processes need to be completed by a plurality of different devices are avoided, and the operating speed of the whole machine is greatly improved.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic structural diagram of the whole of the present invention.

In the figure: the device comprises a winding unit 1, an unwinding unit 2, an unwinding traction unit 3, a coating unit 4A, a drying unit 5A, a coating unit 6B, a drying unit 7B, a winding traction unit 8, a material roll 9, a material roll 10 to be unwound, a material roll 11, a material receiving compression roller 12, a material changing cutter 13A, a printing compression roller 14A, a printing compression roller 15B, a printing compression roller 16B, a drawing steel roller 17 to unwind, a drawing rubber compression roller 18, a drawing steel roller 19, a drawing rubber compression roller 20, a material roll 21, a material roll 22 to be wound, a material receiving compression roller 23 and a material changing cutter 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a high-speed lithium-ion battery pole piece prime coat machine of broad width, including rolling unit 1 with unreel unit 2, the right side of unreeling unit 2 is provided with unreels traction unit 3, the right side of unreeling traction unit 3 is provided with A face coating unit 4, the output of A face coating unit 4 is provided with A face drying unit 5, the output of A face drying unit is provided with B face coating unit 6, and the output of B face coating unit 6 is provided with B face drying unit 7, be provided with rolling traction unit 8 between B face drying unit 7 and the rolling unit 1.

Further: the unreeling unit 2 comprises a double-station turntable, and an unreeling material roll 9 and a material roll to be unreeled 10 are arranged on the front surface of the double-station turntable.

Further: unreel unit 2 right side top and be provided with and unreel and connect material compression roller 11 to unreel and connect one side of material compression roller 11 to be provided with and unreel and trade a roll cutter 12.

Further: the A surface coating unit 4 comprises an A surface printing press roller 13 and an A surface printing plate roller 14, and the B surface coating unit 6 comprises a B surface printing press roller 15 and a B surface printing plate roller 16.

Further: unreeling the traction unit 3 including unreeling and drawing the steel roll 17 and unreeling and drawing gluey compression roller 18, the rolling traction unit 1 includes rolling and draws the steel roll 19, and rolling draws gluey compression roller 20.

Further: the winding unit 1 comprises a double-station turntable, a winding material roll 21 and a material roller 22 to be wound are arranged on the front face of the double-station turntable, a winding material receiving press roller 23 is arranged on the left side of the winding unit 1, and a winding roll changing cutter 24 is arranged on the right side of the bottom of the winding material receiving press roller 23.

When the device is used, the material roll is unwound through the unwinding unit 2, the substrate is guided to the A-surface coating unit 4 through the unwinding traction unit 3, the A surface of the substrate is coated, the A surface of the substrate is dried through the A-surface drying unit 5, then the substrate enters the B-surface coating unit 6, the B surface of the substrate is coated, the substrate is dried through the B-surface drying unit 7 and then guided to the winding unit through the winding traction unit 8, the coated substrate is wound through the winding unit, when roll change is needed, the substrate is cut through the unwinding change-over cutter 12 and the winding change-over cutter 24, then the double-station turntable rotates by one hundred eighty degrees, and roll change work is realized through the unwinding receiving press roller 11 and the winding receiving press roller 23; the whole structural design of the device realizes that a series of operations such as unreeling, traction transmission, A-surface printing, A-surface drying, B-surface printing, B-surface drying, traction material collection, automatic unreeling and roll change, automatic reeling and roll change and the like can be completed on a substrate on one device, the arrangement of the unreeling and receiving press roller 11 and the reeling and receiving press roller 23 can ensure that the substrate smoothly enters the reeling material roll 21, the device can be suitable for coating operation of a lithium battery pole piece material with the width of more than or equal to 1200mm, and can ensure that the substrate does not have wrinkles under the condition that the working speed is more than or equal to 100 m/min, compared with a bottom coating machine used by the current lithium battery manufacturing enterprises, the material width is less than 1000mm, the working speed is less than 60 m/min, and the working efficiency is obviously improved; in addition, the structures of the unreeling unit 2 and the reeling unit 1 are respectively designed, so that the reeling can be realized without stopping the machine through the double-station reeling and unreeling unit, the unreeling reel changing cutter 12 and the reeling reel changing cutter 24, and the operation speed of the whole machine is prevented from being influenced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.