WO2018053671A1 - 一种间歇双面覆膜装置 - Google Patents

一种间歇双面覆膜装置 Download PDF

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Publication number
WO2018053671A1
WO2018053671A1 PCT/CN2016/000559 CN2016000559W WO2018053671A1 WO 2018053671 A1 WO2018053671 A1 WO 2018053671A1 CN 2016000559 W CN2016000559 W CN 2016000559W WO 2018053671 A1 WO2018053671 A1 WO 2018053671A1
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Prior art keywords
film
precision
roller
laminating
sided
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PCT/CN2016/000559
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English (en)
French (fr)
Inventor
张祥领
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广东基泰智能设备有限公司
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Publication of WO2018053671A1 publication Critical patent/WO2018053671A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
    • B32B38/1833—Positioning, e.g. registration or centering
    • B32B38/1841—Positioning, e.g. registration or centering during laying up
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
    • B32B2041/04—Detecting wrong registration, misalignment, deviation, failure

Definitions

  • the invention relates to the technical field of a film coating device, and in particular to a intermittent double-sided film coating device.
  • the laminating machine can be divided into two types: instant coating laminating machine and pre-coating laminating machine. It is a special equipment for paper, sheet and enamel film. It is pressed together by a rubber roller and a heating roller to form a paper-plastic composite product. It is a special equipment for paper and film.
  • the instant coating laminating machine consists of three parts: sizing, drying and hot pressing. It has wide application range and stable and reliable processing performance. It is a widely used laminating equipment in China. Pre-coated laminating machine, without glue and dry parts, small size, low cost, flexible operation, not only suitable for laminating processing of large-volume printed materials, but also suitable for coating of small batches and scattered printed materials such as automated desktop office systems. Processing is very promising.
  • Laminating machine laminating process refers to the whole process of laminating film, photo film, etc., including film selection, film coating, and cutting. Mainly used for advertising pictures, post-production of wedding photos, and the film-covered pictures have high anti-corrosion, waterproof, dustproof, anti-wrinkle and anti-ultraviolet erosive properties, which can produce strong stereoscopic effect and artistic appeal.
  • the cold heading machine is the main equipment for completing the film coating, and also the necessary matching equipment for the computer inkjet printer and the electrostatic photo machine.
  • Commonly used equipment for laminating is manual cold laminating machine, electric cold laminating machine, self-uncovering film cold laminating machine and automatic cold and hot laminating machine, in addition to transfer equipment.
  • the current double-sided laminating device cannot realize a one-time double-sided intermittent lithium-clad film, and a single-sided independent lithium-clad film, and it is difficult for the lithium battery industry to complete the lithium-removing process to improve efficiency and quality. To this end, an intermittent double-sided laminating device is provided.
  • the technical problem to be solved by the present invention is to overcome the problem that the existing double-sided laminating device can not realize simultaneous double-sided intermittent lithium-clad film, or single-sided independent lithium-clad film, and has low efficiency and low quality, and provides intermittent double-sided coating.
  • Membrane device
  • the invention provides a intermittent double-sided film coating device, comprising a device body, one side of the device body is provided with an A-side film correction sensor, and one side of the A-side film correction sensor is provided with a film base correction a sensor, one side of the film base correction sensor is provided with an A-side film unwinding reverse friction wheel, and one side of the A-side film unwinding reverse friction wheel is provided with a film substrate double-sided color code sensor
  • One side of the double-sided color-coded sensor of the film-coated substrate is provided with a B-face reverse friction wheel, and one side of the B-side reverse friction wheel is provided with a B-side film correction sensor, and the device body is another
  • the side is provided with an A-side film winding active electromagnetic roller, and the bottom end of the A-side film winding active electromagnetic roller is provided with an A-side tension maintaining electromagnetic active clamping mechanism, and the A-side tension maintaining electromagnetic active clamping mechanism The bottom end is provided with an A-side film winding active electromagnetic roller, and one side of
  • the bottom end of the detecting mechanism is provided with a high-precision gap adjusting servo motor, and the high-precision gap adjusting servo motor
  • One side is provided with a B-side film winding tension detecting mechanism, and one side of the B-side film winding tension detecting mechanism is provided with a B-face tension maintaining electromagnetic active clamping mechanism, and the B-side tension maintaining electromagnetic active clamping
  • the bottom end of the fastening mechanism is provided with a B-side film tension buffering mechanism, and one side of the B-side film tension buffering mechanism is provided with an adjustable horizontal shock absorbing frame, and the bottom end of the adjustable horizontal shock absorbing frame is provided
  • the middle portion is provided with a high-precision bearing of a laminating roller, and the top
  • the top of the high precision gap adjustment servo motor a planetary right angle reducer is disposed, and one side of the planetary right angle reducer is provided with an adjustment group precision bearing group, and one side of the adjustment group precision bearing group is provided with an adjusting screw rod, and one side of the adjusting screw rod is provided a gap adjusting group needle a, one side of the gap adjusting group needle a is provided with a gap adjusting group upper inclined block, and the other side of the adjusting screw rod is provided with a gap adjusting vehicle, and the gap adjusting side of the vehicle A gap adjustment group needle b is provided, and one side of the gap adjustment group needle b is provided with a gap adjustment group lower support block.
  • a top surface of the high-precision lamination fixing roller is provided with a B-side lithium-coated PET film, and a top surface of the B-side lithium-coated PET film is coated with a copper foil blanking area.
  • the top end of the coated copper foil blank strip is provided with an A-side lithium-coated PET film, and the top end of the A-side lithium-coated PET film is provided with a movable upper pressure roller.
  • the intermittent double-sided laminating device of the invention can realize a double-sided intermittent lithium-clad film, and can also independently cover a lithium film on one side, thereby improving production efficiency. At the same time ensure quality.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a view of the gap adjusting mechanism of the present invention
  • Figure 3 is a schematic view of the intermittent double-sided film of the present invention.
  • Figure 4 is an enlarged schematic view of the intermittent double-sided film of the present invention.
  • the intermittent double-sided film coating device provided in this embodiment includes a device body 43.
  • One side of the device body 43 is provided with an A-side film correction sensor 1 and an A-side film correction sensor.
  • One side of the film 1 is provided with a film base correction sensor 2, and one side of the film base correction sensor 2 is provided with an A-side film unwinding reverse friction wheel 25, and one side of the A-side film unwinding reverse friction wheel 25
  • a coated substrate double-sided color sensor 3 is provided, and a B-side reverse friction wheel 5 is disposed on one side of the film-coated double-sided color sensor 3, and a B-side film is disposed on one side of the B-side reverse friction wheel 5.
  • the correcting sensor 4, the other side of the device body 43 is provided with an A-side film winding active electromagnetic roller 16, and the bottom end of the A-side film winding active electromagnetic roller 16 is provided with an A-side tension maintaining electromagnetic active clamping mechanism 15,
  • the A-side tension maintaining electromagnetic active clamping mechanism 15 is provided with an A-side film winding active electromagnetic roller 16 at the bottom end, and an A-side film winding tension detecting mechanism is disposed on one side of the A-side film winding active electromagnetic roller 16. 14.
  • the bottom end of the A-side film winding tension detecting mechanism 14 is provided with a high-precision gap adjusting servo motor 12, and the high-precision gap adjusting servo motor 12
  • the side is provided with a B-side film winding tension detecting mechanism 24, and one side of the B-side film winding tension detecting mechanism 24 is provided with a B-face tension holding electromagnetic active clamping mechanism 11, and a B-side tension maintaining electromagnetic active clamping mechanism 11
  • the bottom end is provided with a B-side film tension buffer mechanism 10, and one side of the B-side film tension buffer mechanism 10 is provided with an adjustable horizontal shock absorbing frame 8, and the bottom end of the adjustable horizontal shock absorbing frame 8 is provided with a machine
  • the horizontally adjustable adjusting foot 27 is provided with a horizontal adjusting platform 9 at the top of the adjustable horizontal shock absorbing frame 8, and the top of the horizontal adjusting platform 9 is provided with high precision.
  • the fixed roller 7 is covered, and the high-precision cover fixing roller 7 is provided with a high-precision bearing 6 of the laminating roller.
  • the top end of the high-precision laminating fixed roller 7 is provided with a movable upper pressing roller 21, and the top end of the movable upper pressing roller 21
  • the precision pressure detecting mechanism 22 is provided, and the bottom end of the precision pressing gravity detecting mechanism 22 is provided with a precision micron-level gap adjusting oblique block group 13, and one side of the movable upper pressing roller 21 is provided with a movable bearing seat guiding linear bearing 20,
  • One side of the movable bearing guide linear bearing 20 is provided with a fine adjustment bearing seat clearance holding guide 26, and the other side of the movable upper pressing roller 21 is provided with an upper movable roller precision movable bearing seat 17, and the upper pressing roller precision movable bearing seat 17 is provided.
  • There is a movable bearing guide post 18, and the top end of the movable bearing block guide post 18 is provided with a pressing frame
  • the top of the high-precision gap adjustment servo motor 12 is provided with a planetary right angle reducer 32.
  • One side of the planetary right angle reducer 32 is provided with an adjustment group precision bearing group 31, and one side of the adjustment group precision bearing group 31 is provided with an adjustment screw 34.
  • One side of the adjusting screw 34 is provided with a gap adjusting group needle a28, one side of the gap adjusting group needle a28 is provided with a gap adjusting group upper inclined block 29, and the other side of the adjusting screw rod 34 is provided with a gap adjusting cart 36,
  • One side of the gap adjusting cart 36 is provided with a gap adjusting group needle b37, and one side of the gap adjusting group needle b37 is provided with a gap adjusting group lower supporting block 35. Clearance adjustment is possible.
  • the top of the high-precision lamination fixing roller 7 is provided with a B-side lithium-clad PET film 40, and the top end of the B-side lithium-clad PET film 40 is provided with a strip of copper-coated blank portion 39 coated with a copper foil.
  • the A-side lithium-coated PET film 38 is provided at the tip end of the white-region pole piece 39, and the movable upper pressure roller 21 is provided at the tip end of the A-side lithium-coated PET film 38. It can realize one-time double-sided intermittent lithium coating.
  • the working principle of the intermittent double-sided laminating device is to adjust the required clearance to a suitable position through the gap adjusting group before production, the motor has a self-locking brake function, and the adjusted gap position is locked to ensure a constant gap during operation. .
  • the gap is outputted by the servo motor plus the planetary gear reducer, and then the gap is adjusted by the ball screw and the gap adjusting the inclined block group; then, by the relationship between the force and the angle, the torque can be achieved under the large pressure only by giving the screw a small torque.
  • the gap adjustment ensures the accurate conversion of the gap and meets the requirements of filming precision; the pressure required to adjust the pressure of the upper movable roller (0.1 to 5.0 tons); secondly, the A, B lithium-coated PET film is brought to the bonding position, After wearing the belt, apply tension, run, and pass the rectification system: 1, and 3, correct the belt trajectory, and reach the level of the retractable and unwinding.
  • the second pole piece is pulled to the middle of the pressure roller and connected to the winding system; when the cover is pressed, the gap between the upper and lower pressure rollers is smaller than the superimposed thickness of the pole piece and the AB surface PET film, and when the cover is combined, the two rollers are given to the pole piece and
  • the PET film has great pressure, when the two rolls are running synchronously, Great friction and pressure, with the coated pole piece to travel backwards, through the PET winding mechanism, the filmed lithium film PET protective film is peeled off from the pole piece, the lithium film on the pole piece will be covered Firmly bonded tightly to the coating on the pole piece. Then, through the pole piece winding mechanism, the well-coated pole pieces can be collected into a roll.
  • the AB double-sided PET film calculates the speed through the color-coded sensor, and determines that the pole piece copper foil area reaches the center of the laminating roll, and winds up
  • the electromagnetic clamping mechanism model allows the clamping mechanism to be separated instantaneously under the separation of the electromagnetic clutch. Since the clamping mechanism bearing is a one-way bearing, the PET film will retreat in the clamped state, while maintaining the position at the stop, on both sides of the AB. When the PET film is stopped, a slip phenomenon occurs between the upper and lower rolls, and friction is generated when the sliding is performed.
  • the friction coefficient is greatly reduced, the hardness of the surface is increased, and the wear resistance is increased.
  • the reverse friction wheel 25 is unwound by the film to counteract the friction between the PET film and the upper and lower rolls, so that the PET remains stationary.
  • the pole piece winding continues to run.
  • the second coating zone of the pole piece copper foil reaches the pressing angle of the pressing roller, the upper and lower pressing rollers will automatically pull the PET film backwards due to the action of pressure and friction, and the electromagnetic clutch of the winding clamping mechanism is instantaneously combined.
  • the winding mechanism is released by the torque of the magnetic powder brake, and the tension of the clamping mechanism is released, thereby achieving the continuous winding function.
  • the PET film is under the action of the pressure and the one-way bearing, and will not retreat.
  • the winding will continue to wind up from the magnetic powder brake, and the material length of the buffer at 10 and 16 will be charged, due to the short interval. (According to 15 M/min, the copper foil area is 30 mm long, about 0.12 S).
  • the winding motor compensates the feed according to the length of time, so that the buffer length is always kept at a multiple of the required material length.
  • the continuous rolling material is used to realize the lithium coating function of the disposable material.
  • the device can realize a one-time double-sided intermittent lithium-clad film, or a single-sided independent lithium-clad film, which is a revolutionary breakthrough for lithium batteries in order to improve the efficiency and quality of the lithium battery industry.
  • the present invention is not limited to the above embodiments, and other intermittent double-sided film laminating devices obtained by the same or similar structures or devices as those of the above-described embodiments of the present invention are all within the scope of the present invention.

Abstract

一种间歇双面覆膜装置，包括装置本体（43），装置本体（43）的一侧设有A面覆膜纠偏传感器（1），A面覆膜纠偏传感器（1）的一侧设有覆膜基体纠偏传感器（2），覆膜基体纠偏传感器（2）的一侧设有A面覆膜放卷反向摩擦轮（25），A面覆膜放卷反向摩擦轮（25）的一侧设有覆膜基体双面色标传感器（3），覆膜基体双面色标传感器（3）的一侧设有B面反向摩擦轮（5），B面反向摩擦轮（5）的一侧设有B面覆膜纠偏传感器（4），装置本体（43）的另一侧设有A面覆膜收卷主动电磁辊（16），A面覆膜收卷主动电磁辊（16）的底端设有A面张力保持电磁主动夹紧机构（15）。该装置能实现一次性双面间歇覆锂膜，也可单面独立覆锂膜，针对锂电池行业补锂工序提高效率和质量起决定性作用，是锂电池革命性的突破。

Description

一种间歇双面覆膜装置 技术领域
本发明涉及覆膜装置的技术领域，具体涉及一种间歇双面覆膜装置。
背景技术
覆膜机可分为即涂型覆膜机和预涂型覆膜机两大类。是一种用于纸类、板材、裱膜专用设备，经橡皮滚筒和加热滚筒加压后合在一起，形成纸塑合一的产品，是一种用于纸类、薄膜专用设备。即涂型覆膜机包括上胶、烘干、热压三部分，其适用范围宽，加工性能稳定可靠，是目前国内广泛使用的覆膜设备。预涂型覆膜机，无上胶和干燥部分，体积小、造价低、操作灵活方便，不仅适用大批量印刷品的覆膜加工，而且适用自动化桌面办公系统等小批量、零散的印刷品的覆膜加工，很有发展前途。即涂型覆膜机操作求较高，优点是成品质量可靠，其有个致命缺点是油性胶加工时会产生影响人体健康的气体，所以该种技术在欧美等发达国家已经全面禁止，水性胶比油性环保，相对油性成本要高。覆膜机覆膜工艺是指对图片及照片等覆膜的全过程，包括选膜、覆膜制做，剪裁。主要用于广告图片，婚纱照片的后期制作，覆过膜的图片具有高度防腐、防水、防尘、抗皱和防紫外线侵蚀的性能，可产生强烈的立体感和艺术感染力。而冷裱机则是完成覆膜的主要设备，也是电脑喷绘机和静电写真机的必备配套设备。覆膜常用的设备有手动冷裱机，电动冷裱机，自揭膜冷裱机和自动冷、热裱机等四大类，另外还有转印设备。现在的双面覆膜装置不能实现一次性双面间歇覆锂膜，和单面独立覆锂膜，而针对锂电池行业很难做到补锂工序从而提高效率，质量。为此提供了一种间歇双面覆膜装置。
发明内容
本发明要解决的技术问题是克服现有双面覆膜装置不能实现同时实现双面间歇覆锂膜，或单面独立覆锂膜，并且效率低以及质量不高，提供一种间歇双面覆膜装置。
本发明提供了一种间歇双面覆膜装置，包括装置本体，所述装置本体的一侧设有A面覆膜纠偏传感器，所述A面覆膜纠偏传感器的一侧设有覆膜基体纠偏传感器，所述覆膜基体纠偏传感器的一侧设有A面覆膜放卷反向摩擦轮，所述A面覆膜放卷反向摩擦轮的一侧设有覆膜基体双面色标传感器，所述覆膜基体双面色标传感器的一侧设有B面反向摩擦轮，所述B面反向摩擦轮的一侧设有B面覆膜纠偏传感器，所述装置本体的另一侧设有A面覆膜收卷主动电磁辊，所述A面覆膜收卷主动电磁辊的底端设有A面张力保持电磁主动夹紧机构，所述A面张力保持电磁主动夹紧机构的底端设有A面覆膜收卷主动电磁辊，所述A面覆膜收卷主动电磁辊的一侧设有A面覆膜收卷张力检测机构，所述A面覆膜收卷张力检测机构的底端设有高精度间隙调节伺服电机，所述高精度间隙调节伺服电机的一侧设有B面覆膜收卷张力检测机构，所述B面覆膜收卷张力检测机构的一侧设有B面张力保持电磁主动夹紧机构，所述B面张力保持电磁主动夹紧机构的底端设有B面覆膜张力缓存机构，所述B面覆膜张力缓存机构的一侧设有可调水平减震机架，所述可调水平减震机架的底端设有机架水平保持调节地脚，所述可调水平减震机架的顶端设有水平调节平台，所述水平调节平台的顶端设有高精度覆合固定辊，所述高精度覆合固定辊的中部设有覆合辊高精密轴承，所述高精度覆合固定辊的顶端设有活动上压辊，所述活动上压辊的顶端设有精密施压重力检测机构，所述精密施压重力检测机构的底端设有精密微米级间隙调节斜块组，所述活动上压辊的一侧设有活动轴承座导向直线轴承，所述活动轴承座导向直线轴承的一侧设有微调轴承座间隙保持导轨，所述活动上压辊的另一侧设有上压辊精密活动轴承座，所述上压辊精密活动轴承座上设有活动轴承座导柱，所述活动轴承座导柱的顶端设有施压机架上面板，所述施压机架上面板的顶端设有5吨施压气液缸。
作为本发明的一种优选技术方案，所述高精度间隙调节伺服电机的顶部 设有行星直角减速机，所述行星直角减速机的一侧设有调节组精密轴承组，所述调节组精密轴承组的一侧设有调节丝杆，所述调节丝杆的一侧设有间隙调节组滚针a，所述间隙调节组滚针a的一侧设有间隙调节组上斜块，所述调节丝杆的另一侧设有间隙调节车，所述间隙调节车的一侧设有间隙调节组滚针b，所述间隙调节组滚针b的一侧设有间隙调节组下支撑块。
作为本发明的一种优选技术方案，所述高精度覆合固定辊的顶部设有B面覆锂PET膜，所述B面覆锂PET膜的顶端设有涂布好带铜箔留白区极片，所述涂布好带铜箔留白区极片的顶端设有A面覆锂PET膜，所述A面覆锂PET膜的顶端设有活动上压辊。
本发明所达到的有益效果是：针对锂电池行业补锂工序，本发明的间歇双面覆膜装置可实现一次性双面间歇覆锂膜，也可单面独立覆锂膜，提高生产效率，同时保证质量。
下面结合附图与具体实施方式，对本发明进一步说明。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：
图1是本发明的结构示意图；
图2是本发明的间隙调节机构图；
图3是本发明的间歇双面覆膜示意图；
图4是本发明的间歇双面覆膜放大示意图；
图中：1、A面覆膜纠偏传感器；2、覆膜基体纠偏传感器；3、覆膜基体双面色标传感器；4、B面覆膜纠偏传感器；5、B面反向摩擦轮；6、覆合辊高精密轴承；7、高精度覆合固定辊；8、可调水平减震机架；9、水平调节平台；10、B面覆膜张力缓存机构；11、B面张力保持电磁主动夹紧机构；12、高精度间隙调节伺服电机；13、精密微米级间隙调节斜块组；14、A面覆膜收卷张力检测机构；15、A面张力保持电磁主动夹紧机构；16、A面覆膜收卷主动电磁辊；17、上压辊精密活动轴承座；18、活动轴承座导柱；19、施压 机架上面板；20、活动轴承座导向直线轴承；21、活动上压辊；22、精密施压重力检测机构；23、5吨施压气液缸；24、B面覆膜收卷张力检测机构；25、A面覆膜放卷反向摩擦轮；26、微调轴承座间隙保持导轨；27、机架水平保持调节地脚；28、间隙调节组滚针a；29、间隙调节组上斜块；30、调节组固定板；31、调节组精密轴承组；32、行星直角减速机；33、伺服电机；34、调节丝杆；35、间隙调节组下支撑块；36、间隙调节车；37、间隙调节组滚针b；38、A面覆锂PET膜；39、涂布好带铜箔留白区极片；40、B面覆锂PET膜；41、上压活动辊；42、下固定辊；43、装置本体；J1、待覆膜双面铜膜区留白极片；J2、双面覆膜后极片；A1、覆锂PET膜；A2、覆锂后PET膜；B1、B面待覆膜双面铜膜区留白极片；B2、B面覆膜后PET膜。
具体实施方式
实施例，如图1-4所示，本实施例提供的间歇双面覆膜装置，包括装置本体43，装置本体43的一侧设有A面覆膜纠偏传感器1，A面覆膜纠偏传感器1的一侧设有覆膜基体纠偏传感器2，覆膜基体纠偏传感器2的一侧设有A面覆膜放卷反向摩擦轮25，A面覆膜放卷反向摩擦轮25的一侧设有覆膜基体双面色标传感器3，覆膜基体双面色标传感器3的一侧设有B面反向摩擦轮5，B面反向摩擦轮5的一侧设有B面覆膜纠偏传感器4，装置本体43的另一侧设有A面覆膜收卷主动电磁辊16，A面覆膜收卷主动电磁辊16的底端设有A面张力保持电磁主动夹紧机构15，A面张力保持电磁主动夹紧机构15的底端设有A面覆膜收卷主动电磁辊16，A面覆膜收卷主动电磁辊16的一侧设有A面覆膜收卷张力检测机构14，A面覆膜收卷张力检测机构14的底端设有高精度间隙调节伺服电机12，高精度间隙调节伺服电机12的一侧设有B面覆膜收卷张力检测机构24，B面覆膜收卷张力检测机构24的一侧设有B面张力保持电磁主动夹紧机构11，B面张力保持电磁主动夹紧机构11的底端设有B面覆膜张力缓存机构10，B面覆膜张力缓存机构10的一侧设有可调水平减震机架8，可调水平减震机架8的底端设有机架水平保持调节地脚27，可调水平减震机架8的顶端设有水平调节平台9，水平调节平台9的顶端设有高精 度覆合固定辊7，高精度覆合固定辊7的中部设有覆合辊高精密轴承6，高精度覆合固定辊7的顶端设有活动上压辊21，活动上压辊21的顶端设有精密施压重力检测机构22，精密施压重力检测机构22的底端设有精密微米级间隙调节斜块组13，活动上压辊21的一侧设有活动轴承座导向直线轴承20，活动轴承座导向直线轴承20的一侧设有微调轴承座间隙保持导轨26，活动上压辊21的另一侧设有上压辊精密活动轴承座17，上压辊精密活动轴承座17上设有活动轴承座导柱18，活动轴承座导柱18的顶端设有施压机架上面板19，施压机架上面板19的顶端设有5吨施压气液缸23。
高精度间隙调节伺服电机12的顶部设有行星直角减速机32，行星直角减速机32的一侧设有调节组精密轴承组31，调节组精密轴承组31的一侧设有调节丝杆34，调节丝杆34的一侧设有间隙调节组滚针a28，间隙调节组滚针a28的一侧设有间隙调节组上斜块29，调节丝杆34的另一侧设有间隙调节车36，间隙调节车36的一侧设有间隙调节组滚针b37，间隙调节组滚针b37的一侧设有间隙调节组下支撑块35。可以进行间隙调节。
高精度覆合固定辊7的顶部设有B面覆锂PET膜40，B面覆锂PET膜40的顶端设有涂布好带铜箔留白区极片39，涂布好带铜箔留白区极片39的顶端设有A面覆锂PET膜38，A面覆锂PET膜38的顶端设有活动上压辊21。能实现一次性双面间歇覆锂膜。
本间歇双面覆膜装置的工作原理，在生产前，将所需间隙通过间隙调节组调节到合适位置，电机带自锁抱闸功能，锁定所调间隙位置，保证运行过程中间隙恒定不变。间隙通过伺服电机加行星齿轮减速机输出大扭矩，再通过滚珠丝杆与间隙调节斜块组调节间隙；然后通过力与角度的关系，只需给丝杆很小的扭力就能实现大压力下的间隙调节，保证间隙的转换精确，满足覆膜精度要求；将上活动压辊的压力调整所需压力(0.1～5.0吨)；其次在把A，B覆锂PET膜牵至覆合位置，穿带完成，施加张力，运行，使其通过纠偏系：1，和3，纠正走带轨迹，达到收放卷齐平。再其次极片卷料牵引至压辊中间，连接收卷系统；当覆合时，上下压辊的间隙小于极片与AB面PET膜的叠加厚度时，覆合时，两辊给极片与PET膜极大的压力，两辊同步运行时，以 极大的摩擦力和压力，带着覆合好的极片向后行进，通过PET收卷机构，把覆膜好的锂膜PET保护膜从极片上剥离，覆膜在极片上的锂膜会牢固的与极片上的涂布层紧密的粘合在一起。再通过极片收卷机构，覆膜好的极片收齐成卷即可。当覆膜遇到极片铜箔区时，上下压辊保持原有速度同步运行；AB两面PET膜通过色标传感器计算出速度，确定极片铜箔区到达覆合辊中心时，给收卷电磁夹紧机构型号，让夹紧机构在电磁离合器的分离下瞬间分离，由于夹紧机构轴承为单向轴承，在夹紧状态下PET膜补会后退，而保持停止时的位置，在AB两面PET膜停止状态下，与上下两辊之间产生打滑现象，打滑时会产生摩擦力，由于上下压辊表面做特殊涂层，大大降低其摩擦系数，提高其表面的硬度，增加耐磨性。再由覆膜放卷反向摩擦轮25，抵消PET膜与上下辊的摩擦力，让PET保持静止不动。极片收卷继续运行。当极片铜箔第二涂布区到达压辊入角受压时，由于压力与摩擦力的作用，上下压辊会自动牵引着PET膜向后行进，同时收卷夹紧机构电磁离合器瞬间合上，收卷机构通过磁粉制动器扭力释放，夹紧机构张力隔断释放，实现继续收卷功能。在收卷电磁离合器分离时，PET膜补在受压与单向轴承的作用下，不会后退，收卷从磁粉制动器继续收卷，会收取10与16处缓存的料长，由于间隔时间短(按15M/min计算，铜箔区为30mm长，约为0.12S)。当缓存料长到达极限时，收卷电机会根据时间料长进行补偿进给，使缓存料长始终保持所需料长的倍数。以不断循环行进实现一次性卷料覆锂功能。该装置能实现一次性双面间歇覆锂膜，也可单面独立覆锂膜，针对锂电池行业补锂工序提高效率，质量起决定性作用，是锂电池革命性的突破。
本发明并不限于上述实施方式，采用与本发明上述实施例相同或近似结构或装置，而得到的其他用于间歇双面覆膜装置，均在本发明的保护范围之内。

Claims (3)

  1. 一种间歇双面覆膜装置，包括装置本体(43)，其特征在于，所述装置本体(43)的一侧设有A面覆膜纠偏传感器(1)，所述A面覆膜纠偏传感器(1)的一侧设有覆膜基体纠偏传感器(2)，所述覆膜基体纠偏传感器(2)的一侧设有A面覆膜放卷反向摩擦轮(25)，所述A面覆膜放卷反向摩擦轮(25)的一侧设有覆膜基体双面色标传感器(3)，所述覆膜基体双面色标传感器(3)的一侧设有B面反向摩擦轮(5)，所述B面反向摩擦轮(5)的一侧设有B面覆膜纠偏传感器(4)，所述装置本体(43)的另一侧设有A面覆膜收卷主动电磁辊(16)，所述A面覆膜收卷主动电磁辊(16)的底端设有A面张力保持电磁主动夹紧机构(15)，所述A面张力保持电磁主动夹紧机构(15)的底端设有A面覆膜收卷主动电磁辊(16)，所述A面覆膜收卷主动电磁辊(16)的一侧设有A面覆膜收卷张力检测机构(14)，所述A面覆膜收卷张力检测机构(14)的底端设有高精度间隙调节伺服电机(12)，所述高精度间隙调节伺服电机(12)的一侧设有B面覆膜收卷张力检测机构(24)，所述B面覆膜收卷张力检测机构(24)的一侧设有B面张力保持电磁主动夹紧机构(11)，所述B面张力保持电磁主动夹紧机构(11)的底端设有B面覆膜张力缓存机构(10)，所述B面覆膜张力缓存机构(10)的一侧设有可调水平减震机架(8)，所述可调水平减震机架(8)的底端设有机架水平保持调节地脚(27)，所述可调水平减震机架(8)的顶端设有水平调节平台(9)，所述水平调节平台(9)的顶端设有高精度覆合固定辊(7)，所述高精度覆合固定辊(7)的中部设有覆合辊高精密轴承(6)，所述高精度覆合固定辊(7)的顶端设有活动上压辊(21)，所述活动上压辊(21)的顶端设有精密施压重力检测机构(22)，所述精密施压重力检测机构(22)的底端设有精密微米级间隙调节斜块组(13)，所述活动上压辊(21)的一侧设有活动轴承座导向直线轴承(20)，所述活动轴承座导向直线轴承(20)的一侧设有微调轴承座间隙保持导轨(26)，所述活动上压辊(21)的另一侧设有上压辊精密活动轴承座(17)，所述上压辊精密活动轴承座(17)上设有活动轴承座导柱(18)，所述活动轴承座导柱(18) 的顶端设有施压机架上面板(19)，所述施压机架上面板(19)的顶端设有5吨施压气液缸(23)。
  2. 根据权利要求1所述的间歇双面覆膜装置，其特征在于，所述高精度间隙调节伺服电机(12)的顶部设有行星直角减速机(32)，所述行星直角减速机(32)的一侧设有调节组精密轴承组(31)，所述调节组精密轴承组(31)的一侧设有调节丝杆(34)，所述调节丝杆(34)的一侧设有间隙调节组滚针a(28)，所述间隙调节组滚针a(28)的一侧设有间隙调节组上斜块(29)，所述调节丝杆(34)的另一侧设有间隙调节车(36)，所述间隙调节车(36)的一侧设有间隙调节组滚针b(37)，所述间隙调节组滚针b(37)的一侧设有间隙调节组下支撑块(35)。
  3. 根据权利要求1所述的间歇双面覆膜装置，其特征在于，所述高精度覆合固定辊(7)的顶部设有B面覆锂PET膜(40)，所述B面覆锂PET膜(40)的顶端设有涂布好带铜箔留白区极片(39)，所述涂布好带铜箔留白区极片(39)的顶端设有A面覆锂PET膜(38)，所述A面覆锂PET膜(38)的顶端设有活动上压辊(21)。
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CN110152940B (zh) * 2019-06-14 2024-04-16 中国铁道科学研究院集团有限公司铁道建筑研究所 一种隧道用粘接带在线敷胶系统
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CN112038582A (zh) * 2020-10-10 2020-12-04 合肥国轩高科动力能源有限公司 补锂装置及补锂方法
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