Automatic gum application equipment for sticking release film on lithium battery heat insulation sheet

By designing an automated adhesive bonding machine, which uses robotic arms and rolling rollers to achieve precise bonding and pressing of lithium battery heat insulation sheets and release films, the problems of high labor intensity and inaccurate bonding in existing technologies have been solved, thereby improving production efficiency and product quality.

CN224170512UActive Publication Date: 2026-04-28NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI
Filing Date
2025-04-29
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing technologies involve high labor intensity and difficulty in controlling accuracy and pressure during the pre-application of release film adhesive for automotive heat insulation sheets, which affects product performance and yield.

Method used

Design an automated backing adhesive device for applying release film to lithium battery heat insulation sheets, including heat insulation sheet feeding, backing adhesive bonding and pressing devices. The device uses a robotic arm and rolling pressure roller to achieve automated operation, and uses a positioning camera and suction cup to accurately position and transfer the release film, and adjusts the pressure to ensure bonding quality.

Benefits of technology

It achieves automated adhesive backing operation, reduces labor intensity, improves work efficiency and yield, ensures precise bonding and pressing quality between the heat insulation sheet and the release film, and reduces the equipment footprint.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides automatic gum application equipment for sticking a release film on a lithium battery heat-resisting sheet, which belongs to the technical field of lithium batteries and comprises a gum application channel, a heat-resisting sheet feeding device, a gum application device, a gum pressing device and a finished product discharging device, and the heat-resisting sheet feeding device, the gum application device, the gum pressing device and the finished product discharging device are sequentially arranged along the transmission direction of the heat-resisting sheet. Comprising a heat insulation sheet stacking platform and a first manipulator; the gum laminating device comprises a heat insulation sheet conveying platform, a gum stacking platform and a second manipulator; the gum pressing device comprises two rolling compression rollers which are arranged up and down; and the finished product discharging device comprises a finished product stacking platform and a third manipulator. According to the utility model, through the heat insulation sheet feeding device, the back glue laminating device, the back glue pressing device and the finished product discharging device, automatic back glue laminating of the heat insulation sheet is realized, the labor intensity is reduced, and the working efficiency and the finished product rate are improved.
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Description

Technical Field

[0001] This utility model belongs to the field of lithium battery technology and relates to an adhesive backing device, particularly an automatic adhesive backing device for applying release film to lithium battery heat insulation sheets. Background Technology

[0002] After the automotive heat insulation sheet is coated, a release film needs to be applied to the surface of the coated automotive heat insulation sheet for adhesive backing. During assembly, the release film is peeled off and the adhesive backing is applied to the battery cell surface to enhance the adhesion between the automotive heat insulation sheet and the battery cell, so as to maximize the heat insulation, compressibility, impact resistance and flame retardancy properties of the heat insulation sheet, thereby extending the service life of the battery cell and improving the protection performance of the power battery.

[0003] Currently, when pre-applying release film adhesive to automotive heat insulation sheets, manual application is used. The applied heat insulation sheet is then manually rolled a second time with appropriate pressure to ensure it doesn't re-release during use. This process is labor-intensive, and manual application and rolling make it difficult to control the accuracy and pressure between the heat insulation sheet and the release film. Inaccurate bonding or excessive pressure can affect the final product's performance and reduce the product's yield rate. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing an automated adhesive backing device for applying release film to lithium battery heat insulation sheets. This device can achieve automated adhesive backing and is equipped with an adjustable digital display pressure roller for automatic rolling, thereby reducing labor intensity and improving efficiency and yield.

[0005] The objective of this utility model can be achieved through the following technical solution: A backing adhesive device for applying release film to lithium battery heat insulation sheets, comprising:

[0006] The adhesive channel for applying adhesive to the surface of the heat insulation sheet includes, sequentially along the conveying direction of the heat insulation sheet, a heat insulation sheet feeding device, an adhesive bonding device, an adhesive pressing device, and a finished product discharging device.

[0007] The heat insulation sheet feeding device includes a heat insulation sheet stacking platform, and a first robotic arm is set above the heat insulation sheet stacking platform to pick up the top layer of heat insulation sheets on the heat insulation sheet stacking platform.

[0008] The adhesive bonding device includes a heat insulation sheet transmission platform equipped with a transmission belt and a high-speed positioning camera arranged around the heat insulation sheet transmission platform. A release film roll is arranged perpendicular to the conveying direction of the transmission belt. An adhesive stacking platform is arranged between the heat insulation sheet transmission platform and the release film roll to receive the release film sheets output one by one from the release film roll. A second robot arm is arranged above the heat insulation sheet transmission platform and the adhesive stacking platform. Under the action of the high-speed positioning camera, the second robot arm applies the release film sheets to the surface of the heat insulation sheet.

[0009] The adhesive backing pressing device includes two rolling pressure rollers stacked one on top of the other in the conveying direction of the conveyor belt, and the gap between the two rolling pressure rollers can be adjusted by a stepless speed regulation button.

[0010] The finished product unloading device includes a finished product stacking platform, and a third robotic arm is installed above the finished product stacking platform. The third robotic arm picks up the heat insulation sheet finished product after it has been backed and pressed, and automatically stacks it on the finished product stacking platform.

[0011] In the aforementioned automatic adhesive backing equipment for applying release film to lithium battery heat insulation sheets, both rolling rollers are movable rolling rollers, or one of the two rolling rollers is a movable rolling roller and the other is a fixed rolling roller.

[0012] In the above-mentioned automatic adhesive backing equipment for applying release film to lithium battery heat insulation sheet, the suction ends of the first robotic arm, the second robotic arm and the third robotic arm are respectively provided with a first suction plate, a second suction plate and a third suction plate, and a first suction cup, a second suction cup and a third suction cup are respectively provided on the first suction plate, the second suction plate and the third suction plate.

[0013] In the above-mentioned automatic adhesive backing device for applying release film to lithium battery heat insulation sheet, the first robotic arm includes a first transverse component for driving the first suction cup to move along the heat insulation sheet transmission direction, and a first vertical component connected to the first transverse component and driving the first suction cup to move in the vertical direction, wherein the first suction plate is connected to the first vertical component.

[0014] In the above-mentioned automatic adhesive backing equipment for applying release film to lithium battery heat insulation sheet, the second robot arm includes a second transverse component for driving the second suction cup to reciprocate between the adhesive backing stacking platform and the heat insulation sheet transfer platform, and a second vertical component connected to the second transverse component and driving the second suction cup to move in the vertical direction, wherein the second suction plate is connected to the second vertical component.

[0015] In the aforementioned automatic adhesive backing device for applying release film to lithium battery heat insulation sheet, a longitudinal moving component is provided between the second horizontal moving component and the second vertical moving component. Through the second horizontal moving component, the second vertical moving component, and the longitudinal moving component, the positioning of the second suction cup at any position in space can be achieved.

[0016] In the above-mentioned coating equipment for processing lithium battery heat insulation sheets, the third robot arm includes a third transverse moving assembly for driving the second suction cup to move along the heat insulation sheet transmission direction, and a third vertical moving assembly connected to the third transverse moving assembly and driving the third suction cup to move in the vertical direction, wherein the third suction plate is connected to the third vertical moving assembly.

[0017] In the aforementioned automatic adhesive backing equipment for applying release film to lithium battery heat insulation sheets, the heat insulation sheet feeding device includes a heat insulation sheet stacking support, and the heat insulation sheet stacking platform is disposed on the heat insulation sheet stacking support and can move up and down in the vertical direction.

[0018] In the aforementioned automatic adhesive bonding equipment for applying release film to lithium battery heat insulation sheets, the adhesive bonding device includes an adhesive bonding bracket, and a heat insulation sheet transmission platform, an adhesive pushing platform, and a release film placement bracket for carrying the release film roll are installed on the adhesive bonding bracket. The heat insulation sheet transmission platform divides the adhesive bonding bracket into upper and lower brackets, namely an upper adhesive bonding bracket and a lower adhesive bonding bracket. The high-speed positioning camera includes an upper high-speed positioning camera installed on the upper adhesive bonding bracket and a lower height positioning camera installed on the lower adhesive bonding bracket.

[0019] In the aforementioned automatic adhesive bonding equipment for applying release film to lithium battery heat insulation sheets, an LED strip is also provided on the adhesive bonding support.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] (1) The present invention provides an automatic backing adhesive device for applying release film to lithium battery heat insulation sheet. Through the heat insulation sheet feeding device, backing adhesive bonding device, backing adhesive pressing device and finished product discharge device, the heat insulation sheet is automatically backed, reducing labor intensity and improving work efficiency and yield.

[0022] (2) The heat insulation sheet or release film is transferred by suction cups, which can avoid the heat insulation sheet or release film from deforming during the transfer process and affecting the qualification rate of the finished product. Each suction plate is equipped with multiple suction cups. Even if one suction cup loses suction, the other suction cups can still reliably complete the transfer of the heat insulation sheet or release film.

[0023] (3) By setting up horizontal and vertical moving components, not only can the heat insulation sheet, release film and finished product be transferred, but also the heat insulation sheet, release film and finished product can be stacked in layers, thereby reducing the space for each material to be stacked, and thus reducing the footprint of the entire adhesive equipment.

[0024] (4) The heat insulation sheet stacking platform can move up and down in the vertical direction. On the one hand, it can reduce the stroke of the first vertical moving component, and on the other hand, it can increase the number of heat insulation sheets placed on the heat insulation sheet stacking platform, thereby further improving work efficiency.

[0025] (5) By using the upper high-speed positioning camera and the lower high-speed positioning camera, the placement angle of the heat insulation sheet on the heat insulation sheet transmission platform is determined, so that the release film can be accurately attached to the heat insulation sheet, ensuring that each corner of the release film is aligned with each corner of the heat insulation sheet.

[0026] (6) By setting up light strips, supplementary lighting can be achieved, so that the heat insulation sheet can form a "shadow area" on the heat insulation sheet transmission platform, which can be captured by the upper high-speed positioning camera and the lower high-speed positioning camera, thereby accurately and reliably attaching the release film to the heat insulation sheet.

[0027] (7) By setting the walking wheels at the bottom of the corresponding bracket, it is convenient to splice the heat insulation sheet feeding device, the adhesive bonding device and the finished product discharging device. On the other hand, when the lithium battery heat insulation sheet release film is transported or stored by the automatic adhesive bonding equipment, it is convenient to disassemble and separate the two adjacent devices, thereby reducing transportation costs. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of an automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to this utility model.

[0029] Figure 2 This is a schematic diagram of the adhesive bonding device in a preferred embodiment of the present invention.

[0030] Figure 3 This is a schematic diagram of the adhesive backing pressing device in a preferred embodiment of the present invention.

[0031] In the picture,

[0032] 100. Insulation sheet feeding device; 110. Insulation sheet stacking platform; 120. First robotic arm; 121. First suction plate; 122. First suction cup; 123. First horizontal movement assembly; 124. First vertical movement assembly; 130. Insulation sheet stacking support;

[0033] 200. Adhesive bonding device; 210. Heat insulation sheet transfer platform; 220. Second robotic arm; 221. Second suction plate; 222. Second suction cup; 223. Second transverse movement assembly; 224. Second vertical movement assembly; 225. Longitudinal movement assembly; 230. Adhesive bonding bracket; 231. Upper adhesive bonding bracket; 232. Lower adhesive bonding bracket; 240. Upper high-speed positioning camera; 250. Lower high-speed positioning camera; 260. LED strip; 270. Adhesive stacking platform;

[0034] 300. Adhesive backing pressing device; 310. Movable rolling pressure roller; 320. Fixed rolling pressure roller; 330. Adhesive backing pressing bracket; 340. Cylinder;

[0035] 400. Finished product discharge device; 410. Finished product stacking platform; 420. Third robotic arm; 421. Third suction plate; 422. Third suction cup; 423. Third horizontal movement assembly; 424. Third vertical movement assembly; 430. Finished product stacking support;

[0036] 500, wheels; 600, controller. Detailed Implementation

[0037] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0038] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0039] like Figures 1 to 3 As shown, the present invention provides an automatic adhesive backing device for applying release film to lithium battery heat insulation sheets, comprising:

[0040] The adhesive channel for applying adhesive to the surface of the heat insulation sheet includes, in sequence along the conveying direction of the heat insulation sheet, a heat insulation sheet feeding device 100, an adhesive bonding device 200, an adhesive pressing device 300, and a finished product discharging device 400.

[0041] The heat insulation sheet feeding device 100 includes a heat insulation sheet stacking platform 110, and a first robot arm 120 is provided above the heat insulation sheet stacking platform 110. The first robot arm 120 picks up the uppermost heat insulation sheet on the heat insulation sheet stacking platform 110.

[0042] The adhesive bonding device 200 includes a heat insulation sheet transfer platform 210 with a conveyor belt and a high-speed positioning camera arranged around the heat insulation sheet transfer platform 210. The high-speed positioning camera can accurately position the heat insulation sheet placed on the conveyor belt. A release film roll is arranged perpendicular to the conveying direction of the conveyor belt. An adhesive stacking platform 270 is arranged between the heat insulation sheet transfer platform 210 and the release film roll to receive the release film sheets output one by one from the release film roll. A second robot 220 is arranged above the heat insulation sheet transfer platform 210 and the adhesive stacking platform 270. Under the action of the high-speed positioning camera, the second robot 220 applies the release film sheets to the surface of the heat insulation sheet.

[0043] The adhesive backing pressing device 300 includes two rolling pressure rollers stacked vertically on the conveyor belt in the conveying direction. The two rolling pressure rollers are located on the upper and lower sides of the conveyor belt, respectively. One rolling pressure roller is a movable rolling pressure roller 310, and the other rolling pressure roller is a fixed rolling pressure roller 320. By moving the movable rolling pressure roller 310, the gap between the movable rolling pressure roller 310 and the fixed rolling pressure roller 320 is changed, thereby realizing the pressing between the release film and the heat insulation plate, as well as the output after pressing.

[0044] The finished product unloading device 400 includes a finished product stacking platform 410, and a third robot arm 420 is provided above the finished product stacking platform 410. The third robot arm 420 picks up the heat insulation sheet finished product after adhesive backing and pressing, and automatically stacks it on the finished product stacking platform 410 as a release film sheet.

[0045] This utility model provides an automatic adhesive backing device for applying release film to lithium battery heat insulation sheets. Through the heat insulation sheet feeding device 100, the adhesive backing bonding device 200, the adhesive backing pressing device 300, and the finished product discharge device 400, the heat insulation sheet is automatically adhesive backed, reducing labor intensity and improving work efficiency and yield.

[0046] It is further pointed out that both rolling pressure rollers can also be movable rolling pressure rollers 310.

[0047] It is worth mentioning that the two ends of the rolling pressure roller adopt an adjustable digital display pressure control system. The gap between the two rolling pressure rollers can be adjusted by two stepless speed adjustment buttons, thereby changing the pressure and displaying it on the digital display screen above the rolling pressure roller. The adjustable digital display pressure control system can perform secondary pressing on the heat insulation sheet on the conveyor belt after the release film has been applied, so as to remove air bubbles, adjust the adhesion between the two, avoid re-release, and realize the output after pressing.

[0048] It is worth mentioning that the adhesive bonding device 200 and the adhesive pressing device 300 are integrated and spliced ​​together with the heat insulation sheet feeding device 100 and the finished product discharging device 400 to form an automatic adhesive bonding equipment for applying release film to lithium battery heat insulation sheets.

[0049] Furthermore, the suction ends of the first robotic arm 120, the second robotic arm 220, and the third robotic arm 420 are respectively provided with a first suction plate 121, a second suction plate 221, and a third suction plate 421, and a first suction cup 122, a second suction cup 222, and a third suction cup 422 are respectively provided on the first suction plate 121, the second suction plate 221, and the third suction plate 421. There are multiple first suction cups 122, second suction cups 222, and third suction cups 422, which are arranged in a certain manner (such as an array layout or a circular layout) on the first suction plate 121, the second suction plate 221, and the third suction plate 421.

[0050] In this embodiment, the heat insulation sheet or release film is transferred by suction cups, which can prevent the heat insulation sheet or release film from deforming during the transfer process and affecting the yield of the finished product. Each suction plate is equipped with multiple suction cups, so even if one suction cup loses suction, the other suction cups can still reliably complete the transfer of the heat insulation sheet or release film.

[0051] Furthermore, the first robotic arm 120 includes a first transverse component 123 for driving the first suction cup 122 to move along the heat insulation sheet transmission direction, and a first vertical component 124 connected to the first transverse component 123 and driving the first suction cup 122 to move in the vertical direction, wherein the first suction plate 121 is connected to the first vertical component 124.

[0052] Furthermore, the second robotic arm 220 includes a second transverse component 223 for driving the second suction cup 222 to reciprocate between the adhesive stacking platform and the heat insulation sheet transfer platform 210, and a second vertical component 224 connected to the second transverse component 223 and driving the second suction cup 222 to move vertically, wherein the second suction plate 221 is connected to the second vertical component 224.

[0053] Furthermore, the third robotic arm 420 includes a third transverse moving assembly 423 for driving the second suction cup 222 to move along the heat insulation sheet transmission direction, and a third vertical moving assembly 424 connected to the third transverse moving assembly 423 and driving the third suction cup 422 to move in the vertical direction, wherein the third suction plate 421 is connected to the third vertical moving assembly 424.

[0054] In this embodiment, by setting up horizontal and vertical moving components, not only can the heat insulation sheet, release film and finished product be transferred, but also the heat insulation sheet, release film and finished product can be stacked in layers, thereby reducing the space for stacking each material and thus reducing the footprint of the entire adhesive backing equipment.

[0055] Furthermore, it is pointed out that the horizontal and vertical movement components can be moved using linear motors, or using a combination of ordinary motors, lead screws, nuts, and slide rails / slider to achieve the movement of the corresponding structures, or using a combination of ordinary motors, pulley structures, and slide rails / slider to achieve the movement of the corresponding structures. It is worth mentioning that the movement is not limited to the structural methods described above.

[0056] Preferably, the heat insulation sheet feeding device 100 includes a heat insulation sheet stacking support 130, and the heat insulation sheet stacking platform 110 is disposed on the heat insulation sheet stacking support 130 and can move up and down in the vertical direction.

[0057] In this embodiment, the heat insulation sheet stacking platform 110 can move up and down in the vertical direction. On the one hand, this can reduce the stroke of the first vertical moving component 124, and on the other hand, it can increase the number of heat insulation sheets placed on the heat insulation sheet stacking platform 110, thereby further improving work efficiency.

[0058] Preferably, the adhesive bonding device 200 includes an adhesive bonding bracket 230, and a heat insulation sheet transfer platform 210, an adhesive feeding platform 270, and a release film placement bracket for carrying the release film roll are mounted on the adhesive bonding bracket 230. The heat insulation sheet transfer platform 210 divides the adhesive bonding bracket into upper and lower brackets, namely an upper adhesive bonding bracket 231 and a lower adhesive bonding bracket 232. The high-speed positioning camera includes an upper high-speed positioning camera 240 mounted on the upper adhesive bonding bracket 231 and a lower high-speed positioning camera 250 mounted on the lower adhesive bonding bracket 232.

[0059] In this embodiment, the placement angle of the heat insulation sheet on the heat insulation sheet transmission platform 210 is determined by the upper high-speed positioning camera 240 and the lower high-speed positioning camera 250, so that the release film can be accurately attached to the heat insulation sheet, ensuring that each corner of the release film is aligned with each corner of the heat insulation sheet.

[0060] It is worth mentioning that the light emitted by the upper high-speed positioning camera 240 and the lower high-speed positioning camera 250 can penetrate the heat insulation sheet transmission platform 210, but cannot penetrate the heat insulation sheet.

[0061] More preferably, a longitudinal moving component 225 is provided between the second transverse moving component 223 and the second vertical moving component 224. Through the second transverse moving component 223, the second vertical moving component 224 and the longitudinal moving component 225, the second suction cup 222 can be positioned at any position in space, thereby further improving the accuracy of the bonding between the release film and the heat insulation sheet.

[0062] In a further preferred embodiment, an LED strip 260 is also provided on the bracket 231 with adhesive backing.

[0063] In this embodiment, by setting up the light strip 260, supplementary lighting can be achieved, so that the heat insulation sheet can form a "shadow area" on the heat insulation sheet transmission platform 210, which can be captured by the upper high-speed positioning camera 240 and the lower high-speed positioning camera 250, thereby accurately and reliably attaching the release film to the heat insulation sheet.

[0064] Preferably, the adhesive backing pressing device 300 includes an adhesive backing pressing bracket 330 mounted on the adhesive backing bonding bracket 230, and a fixed rolling pressure roller 320 mounted on the adhesive backing pressing bracket 330. A cylinder 340 is provided on the adhesive backing pressing bracket 330, and the output end of the cylinder 340 is connected to the movable rolling pressure roller 310.

[0065] Preferably, the finished product discharge device 400 includes a finished product stacking support 430, and the finished product stacking platform 410 is disposed on the finished product stacking support 430.

[0066] Preferably, the bottom of the heat insulation sheet stacking bracket 130, the adhesive backing bracket 230, and the finished product stacking bracket 430 are all equipped with wheels 500.

[0067] In this embodiment, by setting the walking wheels 500 at the bottom of the corresponding bracket, it is convenient to splice the heat insulation sheet feeding device 100, the adhesive backing device 200 and the finished product discharging device 400. On the other hand, when the lithium battery heat insulation sheet release film is transported or stored by the automatic adhesive backing equipment, it is convenient to disassemble and separate the two adjacent devices, thereby reducing transportation costs.

[0068] Preferably, the heat insulation sheet stacking bracket 130, the adhesive backing bracket 230, and the finished product stacking bracket 430 are all equipped with controllers 600.

[0069] It is worth mentioning that the controller 600 located on the heat insulation sheet stacking bracket 130 is used to control the first robot arm 120; the controller 600 located on the adhesive bonding bracket 230 is used to control the transmission speed of the second robot arm 220 and the heat insulation sheet transfer platform 210; and the controller 600 located on the finished product stacking bracket 430 is used to control the third robot arm 420.

[0070] It should be noted that in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly defined. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0071] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0072] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets, characterized in that, include: The adhesive channel for applying adhesive to the surface of the heat insulation sheet includes, sequentially along the conveying direction of the heat insulation sheet, a heat insulation sheet feeding device, an adhesive bonding device, an adhesive pressing device, and a finished product discharging device. The heat insulation sheet feeding device includes a heat insulation sheet stacking platform, and a first robotic arm is set above the heat insulation sheet stacking platform to pick up the top layer of heat insulation sheets on the heat insulation sheet stacking platform. The adhesive bonding device includes a heat insulation sheet transmission platform equipped with a transmission belt and a high-speed positioning camera arranged around the heat insulation sheet transmission platform. A release film roll is arranged perpendicular to the conveying direction of the transmission belt. An adhesive stacking platform is arranged between the heat insulation sheet transmission platform and the release film roll to receive the release film sheets output one by one from the release film roll. A second robot arm is arranged above the heat insulation sheet transmission platform and the adhesive stacking platform. Under the action of the high-speed positioning camera, the second robot arm applies the release film sheets to the surface of the heat insulation sheet. The adhesive backing pressing device includes two rolling pressure rollers stacked one on top of the other in the conveying direction of the conveyor belt, and the gap between the two rolling pressure rollers can be adjusted by a stepless speed regulation button. The finished product unloading device includes a finished product stacking platform, and a third robotic arm is installed above the finished product stacking platform. The third robotic arm picks up the heat insulation sheet finished product after it has been backed and pressed, and automatically stacks it on the finished product stacking platform.

2. The automatic adhesive backing equipment for applying release film to lithium battery heat insulation sheets according to claim 1, characterized in that, Both rolling rollers are movable rolling rollers, or one of the two rolling rollers is a movable rolling roller and the other is a fixed rolling roller.

3. The automatic adhesive backing equipment for applying release film to lithium battery heat insulation sheets according to claim 1, characterized in that, The first, second, and third robotic arms are respectively equipped with a first suction plate, a second suction plate, and a third suction plate at their suction ends, and a first suction cup, a second suction cup, and a third suction cup are respectively provided on the first, second, and third suction plates.

4. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to any one of claims 1 to 3, characterized in that, The first robotic arm includes a first transverse component for driving the first suction cup to move along the heat insulation sheet transmission direction, and a first vertical component connected to the first transverse component and driving the first suction cup to move in the vertical direction, wherein the first suction plate is connected to the first vertical component.

5. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to any one of claims 1 to 3, characterized in that, The second robotic arm includes a second transverse component for driving the second suction cup to reciprocate between the adhesive stacking platform and the heat insulation sheet transfer platform, and a second vertical component connected to the second transverse component and driving the second suction cup to move in the vertical direction, wherein the second suction plate is connected to the second vertical component.

6. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to claim 5, characterized in that, A longitudinal moving component is provided between the second horizontal moving component and the second vertical moving component. Through the second horizontal moving component, the second vertical moving component and the longitudinal moving component, the second suction cup can be positioned at any position in space.

7. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to any one of claims 1 to 3, characterized in that, The third robotic arm includes a third transverse component for driving the second suction cup to move along the heat insulation sheet transmission direction, and a third vertical component connected to the third transverse component and driving the third suction cup to move in the vertical direction, wherein the third suction plate is connected to the third vertical component.

8. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to claim 1, characterized in that, The insulation sheet feeding device includes an insulation sheet stacking support, and the insulation sheet stacking platform is set on the insulation sheet stacking support and can move up and down in the vertical direction.

9. An automatic adhesive backing device for applying release film to lithium battery heat insulation sheets according to claim 1, characterized in that, The adhesive bonding device includes an adhesive bonding bracket, and a heat insulation sheet transfer platform, an adhesive feeding platform, and a release film placement bracket for carrying the release film roll are installed on the adhesive bonding bracket. The heat insulation sheet transfer platform divides the adhesive bonding bracket into upper and lower brackets, namely an upper adhesive bonding bracket and a lower adhesive bonding bracket. The high-speed positioning camera includes an upper high-speed positioning camera installed on the upper adhesive bonding bracket and a lower high-speed positioning camera installed on the lower adhesive bonding bracket.

10. An automatic adhesive backing device for applying release film to a lithium battery heat insulation sheet according to claim 8, characterized in that, An LED strip is also installed on the bracket with adhesive backing.