A coating device for a display screen

Abstract

This utility model belongs to the field of display screen processing technology, specifically a film coating device for display screens. It includes two support plates, each with a vertical plate fixedly connected to it. Each vertical plate has a groove, and each groove contains a guide rod. A movable plate is slidably mounted on each guide rod. A first spring is fixedly connected between both ends of the movable plate and the inner wall of the corresponding groove top. During the film coating process, this utility model uses a recognition camera to monitor the position of the film-coated display screen in real time and accurately. When the display screen moves below the cutting mechanism, a second motor starts operating, causing a moving block to drive the cutting blade, thus enabling timely cutting of the film. This eliminates the need for operators to cut the film on each display screen individually, achieving automated continuous operation of film coating and cutting, making the production process more compact and smooth, and further improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of display screen processing technology, specifically a coating device for display screens. Background Technology

[0002] A display screen is a device that converts electronic signals into visible images. Its core function is to drive light-emitting materials or liquid crystal layers to present images or video content through electrical signals. During the production and processing of display screens, a protective film needs to be pasted on the surface of the display screen, so a film coating device is required.

[0003] Chinese patent CN112277303A discloses a laminating device for producing a multimedia advertising display screen, including a conveyor belt, a base, side plates, a rotating shaft, a connecting arm, a laminating roller, a swing drive assembly, and a limiting assembly. The limiting assembly includes a support plate, a limiting plate, a connecting shaft, a mounting bracket, and limiting rollers. The two limiting plates are driven to move relative to each other by a drive unit. The beneficial effects of this invention are: by setting a rotating shaft, the rotation of the rotating shaft allows the laminating roller to swing up and down, thereby adjusting its installation height to adapt to display screens of different thicknesses. In addition, during the height adjustment process, the parallelism between the axial direction of the laminating roller and the conveyor belt does not change, thus ensuring laminating accuracy. The drive unit in the limiting assembly drives the two limiting plates to move relative to each other, thereby allowing the limiting rollers on the two mounting brackets to abut against the opposite sides of the display screen, thus limiting the display screen and ensuring that the laminating area of ​​the display screen matches the laminating roller.

[0004] Existing screen coating equipment lacks automatic cutting functionality, requiring operators to cut the film for each screen one by one. This is not only inefficient but also prone to uneven cutting due to errors, affecting product consistency. Furthermore, the lack of a correction mechanism during transport makes it impossible to ensure that the screen is accurately transported into the coating unit, which can easily lead to misalignment of the coating due to screen position deviation, affecting coating quality. Therefore, a screen coating device is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve the problems mentioned in the background art, this utility model proposes a coating device for display screens.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A screen coating device of this utility model includes two support plates, each with a vertical plate fixedly connected to it. Each vertical plate has a sliding groove, and each sliding groove contains a guide rod. A movable plate is slidably mounted on each guide rod. A first spring is fixedly connected between both ends of the movable plate and the inner wall of the top of the corresponding sliding groove, and the first spring is sleeved on the guide rod. A mounting frame is fixedly connected to the bottom side of the movable plate. A pressing coating roller is mounted in the mounting frame via a rotating shaft. A first motor is mounted on one side wall of the mounting frame, and the output end of the first motor is connected to one end of the rotating shaft. An auxiliary rod is rotatably mounted between the two vertical plates. A horizontal plate is mounted on the side wall of the two vertical plates, and a rectangular groove is formed on the horizontal plate, within which a movable plate is slidably mounted. The device includes a movable block with a cutting blade mounted at its bottom. A threaded rod is rotatably mounted inside a rectangular slot. A second motor is mounted on the outer wall of the horizontal plate, with its output end connected to one end of the threaded rod. Placement slots are provided on the top sides of both support plates, and a recognition camera is mounted on the bottom side of the horizontal plate. When laminating the display screen, the entire roll of film is placed on the film roll shaft, and the free end of the film passes under the pressing laminating roller and the auxiliary rod. When the display screen is conveyed to the laminating mechanism via the conveying mechanism, the pressing laminating roller presses the film tightly against the surface of the display screen, thus completing the laminating operation. By continuously conveying the display screens via the conveying mechanism and working with the pressing laminating roller to tightly adhere the film to the surface of the display screen, the laminating operation of multiple display screens can be completed at one time, greatly improving work efficiency.

[0007] During the lamination process, the position of the display screen after lamination can be monitored in real time and accurately by recognizing the function of the camera. When the display screen is detected to have moved to the bottom of the cutting mechanism, the second motor starts to work, causing the moving block to drive the cutting blade to move, thereby enabling timely cutting of the film. This eliminates the need for operators to cut the film on each display screen one by one, realizing automated and continuous operation of lamination and cutting, making the production process more compact and smooth, and further improving production efficiency.

[0008] Preferably, each of the two upright plates has a mounting bracket fixed to its side wall, and the two mounting brackets cooperate to hold the film roll. When using the device, the cooperation between the mounting bracket and the film roll facilitates the installation and replacement of the film roll, thereby facilitating the installation and replacement of the entire roll of film.

[0009] Preferably, each of the two support plates is fixedly connected to a vertical rod, and each vertical rod is fitted with a swing plate. The other end of the swing plate is hinged to a correction plate, and a second spring is fixedly connected between the correction plate and the swing plate. The upper end of each vertical rod is fitted with a locking cap through a threaded connection. During the conveying process, when the display screen is conveyed between the two correction plates, the correction plates apply a lateral force to the display screen through mechanical contact and elastic buffering. This allows for real-time adjustment of the display screen's position, timely correction of any offset, and ensures that the display screen moves stably along the correct predetermined conveying path. This ensures that the display screen can be accurately conveyed into the laminating mechanism, avoiding laminating misalignment caused by positional deviations and guaranteeing laminating quality.

[0010] Preferably, multiple conveying rollers are installed between the two upright plates via a rotating shaft. A third motor is installed on one of the support plates, and the output end of the third motor is connected to one end of the rotating shaft at the end. A gear is fitted on one end of each rotating shaft. An internal toothed belt is installed on the outer wall of one of the support plates, and the gear is located inside the internal toothed belt and meshes with it. When conveying the display screen, the third motor is started, and with the cooperation of the gear and the internal toothed belt, multiple conveying rollers rotate, thereby enabling automatic conveying of the display screen and facilitating subsequent continuous lamination operations on the display screen.

[0011] The advantages of this utility model are:

[0012] 1. This utility model, when laminating a display screen, uses a conveying mechanism to continuously transport the display screen and, in conjunction with a pressing laminating roller, tightly adheres the film to the surface of the display screen, enabling the lamination of multiple display screens at once, greatly improving work efficiency. During the lamination process, a recognition camera can monitor the position of the display screen after lamination in real time and accurately. When the display screen is detected to have moved below the cutting mechanism, a second motor starts operating, causing a moving block to drive the cutting blade, thereby enabling timely cutting of the film. This eliminates the need for operators to cut the film on each display screen individually, achieving automated and continuous lamination and cutting operations, making the production process more compact and smooth, and further improving production efficiency.

[0013] 2. During the conveying process, when the display screen is conveyed between two correction plates, the correction plates apply a lateral force to the display screen through mechanical contact and elastic buffering. This allows for real-time adjustment of the display screen's position, timely correction of any offset, and stable forward movement of the display screen along the correct predetermined conveying path. This ensures that the display screen is accurately conveyed into the laminating mechanism, avoiding laminating misalignment caused by positional deviations and guaranteeing laminating quality. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall front-view three-dimensional structure of the device;

[0016] Figure 2 This is a schematic diagram of the overall left-side three-dimensional structure of the device;

[0017] Figure 3 A three-dimensional structural diagram of the laminating and cutting mechanisms;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the coating mechanism;

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the cutting mechanism;

[0020] Figure 6 This is a schematic diagram of the three-dimensional structure of the correction mechanism;

[0021] In the diagram: 1. Support plate; 2. Vertical plate; 3. Slide groove; 4. Guide rod; 5. Movable plate; 6. First spring; 7. Mounting frame; 8. Pressing film-coating roller; 9. First motor; 10. Auxiliary rod; 11. Horizontal plate; 12. Rectangular groove; 13. Moving block; 14. Cutting knife; 15. Threaded rod; 16. Second motor; 17. Card holder; 18. Film roll; 19. Vertical pole; 20. Swing plate; 21. Locking cap; 22. Correcting plate; 23. Second spring; 24. Rotating shaft; 25. Conveying roller; 26. Gear; 27. Internal toothed belt; 28. Third motor; 29. ​​Placement groove; 30. Recognition camera. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] Please see Figure 1-5As shown, a screen coating device includes two support plates 1, each with a vertical plate 2 fixedly connected to it. Each vertical plate 2 has a groove 3, and each groove 3 contains a guide rod 4. A movable plate 5 is slidably mounted on each guide rod 4. A first spring 6 is fixedly connected between both ends of the movable plate 5 and the inner top wall of the corresponding groove 3, and the first spring 6 is sleeved on the guide rod 4. A mounting frame 7 is fixedly connected to the bottom side of the movable plate 5. A pressing coating roller 8 is mounted in the mounting frame 7 via a rotating shaft. A first motor 9 is mounted on one side wall of the mounting frame 7, and the output end of the first motor 9 is connected to one end of the rotating shaft. An auxiliary rod 10 is rotatably mounted between the two vertical plates 2. A horizontal plate 11 is mounted on the side wall of the two vertical plates 2. A rectangular groove 12 is formed on the horizontal plate 11, and a moving block 13 is slidably mounted in the rectangular groove 12. A cutting blade 14 is mounted at the bottom end of the moving block 13. A threaded rod 15 is rotatably installed inside the slot 12. A second motor 16 is installed on the outer wall of the horizontal plate 11. The output end of the second motor 16 is connected to one end of the threaded rod 15. A placement slot 29 is opened on the top side of both support plates 1. A recognition camera 30 is installed on the bottom side of the horizontal plate 11. The recognition camera 30 is model WJ-500. When working, when applying a film to the display screen, the entire roll of film is placed on the film roll 18, and the free end of the film passes under the pressing film roller 8 and the auxiliary rod 10. When the display screen is conveyed to the bottom of the film application mechanism by the conveying mechanism, the film is pressed tightly against the surface of the display screen by the pressing film roller 8, thus completing the film application operation of the display screen. The display screen is continuously conveyed by the conveying mechanism, and the film is tightly adhered to the surface of the display screen by the pressing film roller 8. The film application operation of multiple display screens can be completed at one time, which greatly improves the work efficiency.

[0024] During the lamination process, the position of the display screen after lamination can be monitored in real time and accurately by the recognition camera 30. When the display screen is detected to have moved to the bottom of the cutting mechanism, the second motor 16 starts to work, causing the threaded rod 15 to rotate, which forces the moving block 13 to drive the cutting blade 14 to move, thereby enabling the film to be cut in time. There is no need for operators to cut the film on each display screen one by one, realizing the automated continuous operation of lamination and cutting, making the production process more compact and smooth, and further improving production efficiency.

[0025] Each of the two upright plates 2 has a mounting bracket 17 fixedly attached to its side wall. The two mounting brackets 17 cooperate to hold the film roll 18. When using this device, the cooperation between the mounting bracket 17 and the film roll 18 makes it easy to install and replace the film roll 18, thereby making it easy to install and replace the entire roll of film.

[0026] Please see Figure 1 and Figure 6As shown, each of the two support plates 1 is fixed with a vertical rod 19, and each of the two vertical rods 19 is fitted with a swing plate 20. The other end of the swing plate 20 is hinged to a correction plate 22, and a second spring 23 is fixed between the correction plate 22 and the swing plate 20. The upper end of the vertical rod 19 is fitted with a locking cap 21 through a threaded fit. During operation, when the display screen is conveyed between the two correction plates 22, the correction plates 22 apply a lateral force to the display screen through mechanical contact and elastic buffering. This can adjust the position of the display screen in real time, correct the offset of the display screen in time, and make the display screen move forward stably along the correct predetermined conveying path. This ensures that the display screen can be accurately conveyed into the laminating mechanism, avoids the phenomenon of laminating misalignment caused by position deviation, and ensures the laminating quality.

[0027] Please see Figure 1-2 As shown, multiple conveying rollers 25 are installed between two upright plates 2 via a rotating shaft 24. A third motor 28 is installed on one of the support plates 1. The output end of the third motor 28 is connected to one end of the rotating shaft 24 at the end. A gear 26 is fitted onto one end of each rotating shaft 24. An internal toothed belt 27 is installed on the outer wall of one of the support plates 1, and the gear 26 is located inside the internal toothed belt 27 and meshes with it. During operation, when conveying the display screen, the display screen is first placed on the conveying rollers 25. Then, the third motor 28 is started. With the cooperation of the gear 26 and the internal toothed belt 27, multiple conveying rollers 25 rotate, thereby enabling automatic conveying of the display screen and facilitating subsequent continuous coating operations on the display screen.

[0028] Working Principle: Existing screen production lamination equipment lacks automatic cutting functionality, requiring operators to cut the film of each screen individually. This is not only inefficient but also prone to uneven cutting due to errors, affecting product consistency. Furthermore, the lack of a correction mechanism during transport makes it impossible to ensure that the screen is accurately transported into the lamination mechanism, easily leading to misalignment of the lamination due to screen position deviation, thus affecting lamination quality. Therefore, to address the above problems, a screen lamination device is proposed. Before laminating the screen, it needs to be transported into the lamination mechanism. During transport, the screen is first placed on the conveyor roller 25, and then the third motor 28 is started. With the cooperation of the gear 26 and the internal gear belt 27, multiple conveyor rollers 25 rotate, thereby enabling automatic transport of the screen and facilitating subsequent continuous lamination operations.

[0029] During the conveying process, when the display screen is conveyed between the two correction plates 22, the correction plates 22 apply lateral force to the display screen through mechanical contact and elastic buffering, which can adjust the position of the display screen in real time, correct the offset of the display screen in time, and make the display screen move forward stably along the correct predetermined conveying path. This ensures that the display screen can be accurately conveyed into the laminating mechanism, avoids the phenomenon of laminating misalignment caused by position deviation, and ensures the laminating quality.

[0030] When laminating the display screen, the entire roll of film is placed on the film roll 18, and the free end of the film passes under the pressing laminating roller 8 and the auxiliary rod 10. When the display screen is conveyed to the laminating mechanism by the conveying mechanism, the pressing laminating roller 8 presses the film tightly against the surface of the display screen, thus completing the laminating operation of the display screen. By continuously conveying the display screen through the conveying mechanism and working with the pressing laminating roller 8 to tightly adhere the film to the surface of the display screen, the laminating operation of multiple display screens can be completed at one time, which greatly improves work efficiency.

[0031] During the lamination process, the position of the display screen after lamination can be monitored in real time and accurately by the recognition camera 30. When the display screen is detected to have moved to the bottom of the cutting mechanism, the second motor 16 starts to work, causing the threaded rod 15 to rotate, which forces the moving block 13 to drive the cutting blade 14 to move, thereby enabling the film to be cut in time. This eliminates the need for operators to cut the film on each display screen one by one, realizing the automated continuous operation of lamination and cutting, making the production process more compact and smooth, and further improving production efficiency.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A coating device for a display screen, characterized in that: It includes two support plates (1), each of which is fixedly connected to a vertical plate (2). Each of the two vertical plates (2) has a groove (3). Each of the two grooves (3) is provided with a guide rod (4). The two guide rods (4) are slidably fitted with a movable plate (5). Each end of the movable plate (5) is fixedly connected to the inner wall of the top of the corresponding groove (3) with a first spring (6). The first spring (6) is sleeved on the guide rod (4). A mounting frame (7) is fixedly connected to the bottom side of the movable plate (5). A pressing and coating roller (8) is installed in the mounting frame (7) through a rotating shaft. A first spring (8) is installed on one side wall of the mounting frame (7). An electric motor (9) is provided, the output end of which is connected to one end of a rotating shaft. An auxiliary rod (10) is rotatably installed between two vertical plates (2). A horizontal plate (11) is installed on the side walls of the two vertical plates (2). A rectangular groove (12) is provided on the horizontal plate (11). A moving block (13) is slidably assembled in the rectangular groove (12). A cutting blade (14) is installed at the bottom end of the moving block (13). A threaded rod (15) is rotatably installed in the rectangular groove (12). A second electric motor (16) is installed on the outer side wall of the horizontal plate (11). The output end of the second electric motor (16) is connected to one end of the threaded rod (15).

2. The coating device for a display screen according to claim 1, characterized in that: The top sides of the two support plates (1) are provided with placement slots (29), and the bottom side of the horizontal plate (11) is equipped with an identification camera (30).

3. The coating device for a display screen according to claim 1, characterized in that: Two support plates (1) are fixedly connected to uprights (19), and two uprights (19) are fitted with swing plates (20). The other end of the swing plates (20) is hinged to a correction plate (22). A second spring (23) is fixed between the correction plate (22) and the swing plates (20). The upper end of the uprights (19) is fitted with a locking cap (21) by threaded engagement.

4. The coating device for a display screen according to claim 1, characterized in that: Both upright plates (2) have a card holder (17) fixedly attached to their side walls, and the two card holders (17) are fitted with a film roll (18).

5. A coating device for a display screen according to claim 1, characterized in that: Multiple conveying rollers (25) are installed between the two upright plates (2) through a rotating shaft (24). A third motor (28) is installed on one of the support plates (1), and the output end of the third motor (28) is connected to one end of the rotating shaft (24) at the end.

6. A coating device for a display screen according to claim 5, characterized in that: Each rotating shaft (24) has a gear (26) fitted at one end. An internal toothed belt (27) is installed on the outer wall of one of the support plates (1), and the gear (26) is located inside the internal toothed belt (27) and meshes with the internal toothed belt (27).

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