A silver paste coating device and coating method for a light control film

Abstract

The present application aims to provide a kind of silver paste coating device and coating method of light control film, which has simple structure, ensures flatness of light control film by adsorption design, and carries out synchronous and accurate coating operation through multiple groups of linkage mechanism and positioning module.The present application includes rack, motion platform and coating assembly, the coating assembly includes adjusting support plate, lifting module, lifting plate, angle adjusting module and coating head, the lifting module is connected with the motion platform motion end through adjusting support plate, the angle adjusting module is connected with the lifting module movable end through lifting plate, and the angle adjusting module movable end drives the coating head to cooperate with the light control film on the motion platform support end;The coating method includes: step A, arrangement and positioning of light control film;Step B, scanning and analysis of coating path;Step C, coating operation;Step D, coating height compensation;Step E, coating angle compensation.The present application is applied to the technical field of silver paste coating.

Description

Technical Field

[0001] The present invention is applied to the technical field of silver paste coating, and in particular relates to a silver paste coating device and a coating method for a dimming film. Background Art

[0002] With the rapid development of the automotive industry, especially the increasingly mature technology of new energy vehicles, the traditional mechanical dimming is being replaced by dimming films, and this trend is accelerating. For the silver paste coating process of large dimming films, a special dispensing device is used to solve the high flatness and high precision requirements of silver paste coating on large surfaces of dimming films. Traditional silver paste coating processes are all manual operations, and the width accuracy is difficult to control, and the thickness accuracy control is very difficult. This method has high labor costs, and the accuracy of manual operation is uncontrollable. At the same time, the speed of manual operation is very slow and the efficiency is very low, which cannot meet the needs of large-scale production. If a silver paste coating device and coating method for dimming film with a simple structure, which ensures the flatness of the dimming film through adsorption design, and performs synchronous and precise coating operations through multiple sets of linkage mechanisms and positioning modules can be designed, the above problems can be solved. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing technology and provide a silver paste coating device and coating method for the dimming film with a simple structure, which ensures the flatness of the dimming film through adsorption design, and performs synchronous and precise coating operations through multiple sets of linkage mechanisms and positioning modules.

[0004] The technical solution adopted by the present invention is: the present invention includes a frame, a moving platform and a coating component, the coating component includes an adjustment support plate, a lifting module, a lifting plate, an angle adjustment module and a coating head, the lifting module is connected to the moving end of the moving platform through the adjustment support plate, the angle adjustment module is connected to the movable end of the lifting module through the lifting plate, and the movable end of the angle adjustment module drives the coating head to cooperate with the dimming film on the support end of the moving platform.

[0005] Furthermore, the motion platform includes a supporting base plate, a Y-axis linear module and an X-axis linear module. The two groups of Y-axis linear modules are arranged on both sides of the supporting base plate. The two ends of the X-axis linear module are respectively connected to the movable ends of the two groups of Y-axis linear modules, and the adjustment support plate is connected to the movable end of the X-axis linear module.

[0006] Furthermore, a vacuum adsorption platform is provided on the upper surface of the support base plate, and the dimming film cooperates with the adsorption position of the vacuum adsorption platform.

[0007] Furthermore, the angle adjustment module includes an adjustment slide, an adjustment plate, an X-axis adjustment motor, a Y-axis adjustment motor and a Z-axis adjustment motor. The X-axis adjustment motor is connected to the lifting plate, and the movable end of the X-axis adjustment motor rotates with the fixed side of the adjustment slide. The Y-axis adjustment motor is arranged on one side of the movable end of the adjustment slide, and the movable end of the Y-axis adjustment motor rotates with the adjustment plate. The fixed end of the coating head rotates with the lower end of the adjustment plate, and the Z-axis adjustment motor is arranged on one side of the adjustment plate and rotates with the coating head.

[0008] Furthermore, a distance sensor is provided on one side of the adjustment plate, and the distance sensor cooperates with the dimming film in a sensing manner.

[0009] Furthermore, a visual positioning module is provided on one side of the adjustment slide, and the visual positioning module includes a camera module and a light source, and the camera module cooperates with the dimming film.

[0010] Furthermore, an adjustment platform is provided on one side of the vacuum adsorption platform, and a lens calibration module is provided in the middle of the upper end of the adjustment platform, and the lens calibration module cooperates with the visual positioning module.

[0011] Furthermore, a cleaning module is provided on the upper end side of the adjustment table, and the cleaning module cooperates with the coating head; a silver paste weighing module is provided on the other side of the upper end of the adjustment table.

[0012] Furthermore, an operating switch is provided on one side of the frame.

[0013] The coating method comprises the following steps:

[0014] Step A, placing the dimming film on a vacuum adsorption platform and performing preliminary leveling, and then stably adsorbing the dimming film on the vacuum adsorption platform through a plurality of adsorption hole structures on the vacuum adsorption platform;

[0015] Step B: The motion platform drives the visual positioning module to scan and collect the distribution of the dimming film on the vacuum adsorption platform, and determines the coating starting point and coating path through the external analysis module. At the same time, the ranging sensor synchronously records the relative height coordinate data of the coating head and the dimming film in the coating path, and saves it to the external analysis module as the default coating coordinate data;

[0016] Step C: The motion platform drives the coating assembly to the coating starting point, and the lifting module drives the coating head down to the coating height, and performs the discharging and coating operation;

[0017] Step D: When the coating head performs coating operation in the default coating path, the visual positioning module synchronously positions the dimming film and cooperates with the ranging sensor to obtain the precise coordinate data of the next coating point. The Z-axis coating height of the path is automatically generated by the external analysis module. During the coating process, the height of the coating head is compensated by the lifting module to ensure the consistency of the relative height between the coating head and the dimming film.

[0018] Step E: When the ranging sensor identifies that there is a bulge or depression at the next coating point of the dimming film, and there is a certain angle between the coating head and the dimming film, the coating head adjusts the discharge angle of the coating head discharge port in advance through the X-axis adjustment motor, the Y-axis adjustment motor, and the Z-axis adjustment motor, and cooperates with the lifting module to maintain a vertical dispensing angle between the coating head discharge port and the dimming film coating point, thereby achieving compensation for the coating angle.

[0019] The beneficial effects of the present invention are as follows: the coating head is provided with X, Y, and Z three-axis rotation adjustment, and can cooperate with the visual module to achieve discharge adjustment at different angles, so that the overall coating effect is better; the positive film of the dimming film is placed on the vacuum adsorption platform, and the overall fitting flatness of the dimming film is higher through vacuum adsorption; the multi-axis motion adjustment is achieved by cooperating with the motion platform and the lifting module, so that the dimming film as a whole can be evenly coated; the structure is simple, and the combination with several sensors and visual positioning modules makes the coating efficiency higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a stereoscopic view of the present invention;

[0021] Figure 2 is a stereoscopic view of the motion platform;

[0022] Figure 3 is a three-dimensional view of the coating assembly;

[0023] Figure 4 is a three-dimensional view of the adjustment module;

[0024] Figure 5 is a stereoscopic view of the adjustment stage;

[0025] Figure 6 is a three-dimensional view of the vacuum adsorption platform;

[0026] Figure 7 It is a flow chart of coating operation. DETAILED DESCRIPTION

[0027] like Figures 1 to 7As shown, in this embodiment, the present invention includes a frame 1, a motion platform 2 and a coating assembly 3, the coating assembly 3 includes an adjustment support plate 4, a lifting module 5, a lifting plate 6, an angle adjustment module 7 and a coating head 8, the lifting module 5 is connected to the motion end of the motion platform 2 through the adjustment support plate 4, the angle adjustment module 7 is connected to the movable end of the lifting module 5 through the lifting plate 6, and the movable end of the angle adjustment module 7 drives the coating head 8 to cooperate with the dimming film 9 on the support end of the motion platform 2. It can be seen that the motion platform 2 is provided with two-axis rotation, which cooperates with the lifting module 5 to realize three-axis linkage adjustment, and can evenly coat the dimming film 9 on the support end of the motion platform 2. The angle adjustment module 7 can adjust the discharge angle of the coating head 8, making the coating operation more precise, simple in structure and high in coating efficiency.

[0028] like Figure 2 As shown, in this embodiment, the motion platform 2 includes a support base plate 21, a Y-axis linear module 22, and an X-axis linear module 23. Two sets of the Y-axis linear modules 22 are arranged on both sides of the support base plate 21. The two ends of the X-axis linear module 23 are respectively connected to the movable ends of the two sets of the Y-axis linear modules 22. The adjustment support plate 4 is connected to the movable end of the X-axis linear module 23. As can be seen, the support base plate 21 is set to marble material, which has stronger overall support force. The two sets of the Y-axis linear modules 22 support the two ends of the X-axis linear module 23 to move synchronously, realizing the two-axis adjustment of the entire coating assembly 3.

[0029] like Figure 1 and Figure 6 As shown, in this embodiment, a vacuum adsorption platform 24 is provided on the upper end surface of the support base 21, and the dimming film 9 cooperates with the adsorption position of the vacuum adsorption platform 24. It can be seen that the vacuum adsorption platform 24 is provided with a plurality of adsorption holes, which can adsorb different parts of the dimming film 9, and will not cause local deviation and overall unevenness during the leveling process.

[0030] like Figure 3 and Figure 4As shown, in this embodiment, the angle adjustment module 7 includes an adjustment slide 71, an adjustment plate 72, an X-axis adjustment motor 73, a Y-axis adjustment motor 74, and a Z-axis adjustment motor 75. The X-axis adjustment motor 73 is connected to the lifting plate 6. The movable end of the X-axis adjustment motor 73 rotates with the fixed side of the adjustment slide 71. The Y-axis adjustment motor 74 is arranged on one side of the movable end of the adjustment slide 71. The movable end of the Y-axis adjustment motor 74 rotates with the adjustment plate 72. The fixed end of the coating head 8 rotates with the lower end of the adjustment plate 72. The Z-axis adjustment motor 75 is arranged on one side of the adjustment plate 72 and rotates with the coating head 8. It can be seen that the X-axis adjustment motor 73, the Y-axis adjustment motor 74, and the Z-axis adjustment motor 75 can realize multi-axis rotation adjustment to adjust the discharge angle of the coating head 8.

[0031] like Figure 4 As shown, in this embodiment, a distance sensor 10 is provided on one side of the adjustment plate 72, and the distance sensor 10 cooperates with the dimming film 9. Thus, the distance sensor 10 can sense the distance between the coating head 8 and the dimming film 9 and drive the lifting module 5 to perform lifting and positioning operations.

[0032] like Figure 4 As shown, in this embodiment, a visual positioning module 11 is provided on one side of the adjustment slide 71. The visual positioning module 11 includes a camera module 111 and a light source 112. The camera module 111 cooperates with the dimming film 9. Thus, the visual positioning module 11 can identify the coating operation of the dimming film 9 and position it according to the edge profile of the dimming film 9, thereby driving the motion platform 2 and the lifting module 5 to achieve synchronous adjustment.

[0033] like Figure 1 and Figure 5 As shown, in this embodiment, an adjustment platform 12 is provided on one side of the vacuum adsorption platform 24. A lens calibration module 13 is provided in the middle of the upper end of the adjustment platform 12. The lens calibration module 13 cooperates with the visual positioning module 11. Thus, the lens calibration module 13 cooperates with the visual positioning module 11 to perform lens calibration and adjustment to prevent inaccurate positioning.

[0034] like Figure 5 As shown, in this embodiment, a cleaning module 14 is provided on the upper end side of the adjustment platform 12, and the cleaning module 14 cooperates with the coating head 8. A silver paste weighing module 15 is provided on the other side of the upper end of the adjustment platform 12. As can be seen, the cleaning module 14 cleans the discharge end of the coating head 8 to prevent discharge deviation or blockage, and the silver paste weighing module 15 can weigh the silver paste.

[0035] like Figure 1 As shown, in this embodiment, an operating switch 16 is provided on one side of the frame 1. Thus, two groups of operating switches 16 are operated simultaneously to control the operation and stop of the entire device.

[0036] The working principle of the present invention is as follows: Step A, the dimming film 9 is placed on the vacuum adsorption platform 24 and preliminarily leveled, and then the dimming film 9 is stably adsorbed on the vacuum adsorption platform 24 through a number of adsorption hole structures on the vacuum adsorption platform 24; Step B, the motion platform 2 drives the visual positioning module 11 to scan and collect the distribution of the dimming film 9 on the vacuum adsorption platform 24, and determines the coating starting point and coating path through the external analysis module, while the ranging sensor 10 synchronously records the relative height coordinate data of the coating head 8 and the dimming film 9 in the coating path, and saves it to the external analysis module as the default coating coordinate data; Step C, the motion platform 2 drives the coating component 3 to reach the coating starting point, and the lifting module 5 drives the coating head 8 to descend to the coating height, and performs the discharging coating operation; Step D, when the coating head 8 performs the coating operation in the default coating path, the The visual positioning module 11 synchronously positions the dimming film 9, and cooperates with the distance sensor 10 to obtain the precise coordinate data of the next coating point, and automatically generates the Z-direction coating height of the path through the external analysis module. During the coating process, the height of the coating head 8 is compensated by the lifting module 5 to ensure the consistency of the relative heights of the coating head 8 and the dimming film 9; Step E, when the distance sensor 10 recognizes that the next coating point of the dimming film 9 has a convexity or concave, there is a certain angle between the coating head 8 and the dimming film 9, the coating head 8 adjusts the discharge angle of the coating head 8 discharge port in advance through the X-axis adjustment motor 73, the Y-axis adjustment motor 74 and the Z-axis adjustment motor 75, and cooperates with the lifting module 5 to maintain a vertical dispensing angle between the coating head 8 discharge port and the coating point of the dimming film 9 to achieve compensation for the coating angle.

[0037] Although the embodiments of the present invention are described with practical solutions, they do not limit the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A silver paste coating device for a dimming film, comprising a frame (1), a motion platform (2) and a coating component (3), characterized in that: The coating assembly (3) includes an adjustment support plate (4), a lifting module (5), a lifting plate (6), an angle adjustment module (7) and a coating head (8), wherein the lifting module (5) is connected to the moving end of the motion platform (2) via the adjustment support plate (4), and the angle adjustment module (7) is connected to the movable end of the lifting module (5) via the lifting plate (6). The movable end of the angle adjustment module (7) drives the coating head (8) to mate with the dimming film (9) on the support end of the motion platform (2). The motion platform (2) includes a supporting base plate (21), a Y-axis linear module (22) and an X-axis linear module (23), two groups of the Y-axis linear modules (22) are arranged on both sides of the supporting base plate (21), two ends of the X-axis linear module (23) are respectively connected to the movable ends of the two groups of the Y-axis linear modules (22), and the adjusting support plate (4) is connected to the movable end of the X-axis linear module (23); the angle adjustment module (7) includes an adjusting slide (71), an adjusting plate (72), an X-axis adjustment The X-axis adjustment motor (73), the Y-axis adjustment motor (74) and the Z-axis adjustment motor (75) are connected to the lifting plate (6). The movable end of the X-axis adjustment motor (73) is rotatably matched with the fixed side of the adjustment slide (71). The Y-axis adjustment motor (74) is arranged on one side of the movable end of the adjustment slide (71). The movable end of the Y-axis adjustment motor (74) is rotatably matched with the adjustment plate (72). The fixed end of the coating head (8) is rotatably matched with the lower end of the adjustment plate (72). The Z-axis adjustment motor (75) is arranged on one side of the adjustment plate (72) and is rotationally matched with the coating head (8); a distance sensor (10) is arranged on one side of the adjustment plate (72), and the distance sensor (10) is inductively matched with the dimming film (9); a visual positioning module (11) is arranged on one side of the adjustment slide (71), and the visual positioning module (11) includes a camera module (111) and a light source (112), and the camera module (111) is matched with the dimming film (9).

2. The silver paste coating device for a dimming film according to claim 1, characterized in that: The upper end surface of the supporting base plate (21) is provided with a vacuum adsorption platform (24), and the dimming film (9) cooperates with the adsorption position of the vacuum adsorption platform (24).

3. The silver paste coating device for a dimming film according to claim 2, characterized in that: An adjustment platform (12) is provided on one side of the vacuum adsorption platform (24), and a lens calibration module (13) is provided in the middle of the upper end of the adjustment platform (12). The lens calibration module (13) cooperates with the visual positioning module (11).

4. The silver paste coating device for a dimming film according to claim 3, characterized in that: A cleaning module (14) is provided on the upper end side of the adjustment platform (12), and the cleaning module (14) cooperates with the coating head (8). A silver paste weighing module (15) is provided on the other side of the upper end of the adjustment platform (12).

5. The silver paste coating device for a dimming film according to claim 1, characterized in that: An operating switch (16) is provided on one side of the frame (1).

6. A coating method of a silver paste coating device for a dimming film according to claim 4, characterized in that: It includes the following steps: Step A, placing the dimming film (9) on the vacuum adsorption platform (24) and performing preliminary leveling, and then stably adsorbing the dimming film (9) on the vacuum adsorption platform (24) through a plurality of adsorption hole structures on the vacuum adsorption platform (24); Step B: The motion platform (2) drives the visual positioning module (11) to scan and collect the distribution of the dimming film (9) on the vacuum adsorption platform (24), and determines the coating starting point and the coating path through the external analysis module. At the same time, the distance sensor (10) synchronously records the relative height coordinate data of the coating head (8) and the dimming film (9) in the coating path, and saves it to the external analysis module to be set as the default coating coordinate data; Step C: the motion platform (2) drives the coating assembly (3) to reach the coating starting point, the lifting module (5) drives the coating head (8) down to the coating height, and performs the discharging and coating operation; Step D: When the coating head (8) performs coating operation in the default coating path, the visual positioning module (11) synchronously positions the dimming film (9) and cooperates with the distance sensor (10) to obtain the precise coordinate data of the next coating point, and automatically generates the Z-direction coating height of the path through the external analysis module. During the coating process, the height of the coating head (8) is compensated by the lifting module (5) to ensure the consistency of the relative height between the coating head (8) and the dimming film (9); Step E: When the distance measuring sensor (10) recognizes that the next coating point of the dimming film (9) has a convexity or a concaveity, and there is a certain angle between the coating head (8) and the dimming film (9), the coating head (8) adjusts the discharge angle of the coating head (8) discharge port in advance through the X-axis adjustment motor (73), the Y-axis adjustment motor (74) and the Z-axis adjustment motor (75), and cooperates with the lifting module (5) to maintain a vertical dispensing angle between the coating head (8) discharge port and the dimming film (9) coating point, thereby achieving compensation for the coating angle.

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