A coating device for liquid crystal display

Abstract

This utility model relates to the field of coating equipment technology, and discloses a coating equipment for liquid crystal displays (LCDs). The equipment includes a main body and a support groove, the support groove being formed on the top walls of opposite sides of the main body. It also includes: two electric sliders, a support frame, and a support cylinder. The two electric sliders are slidably disposed within the support groove. The support frame spans across the main body and is fixedly connected to the two electric sliders. The support cylinder is fixedly connected to the top of the support frame. An adjustment mechanism is disposed on the inner top wall of the support frame and connected to the output end of the support cylinder. A pressing mechanism is disposed on the adjustment mechanism. A pressing roller is disposed on the pressing mechanism. By setting up the pressing mechanism and pressing roller, a certain buffer is achieved during the coating process of the LCD, preventing damage to the display. By setting up the adjustment mechanism, the spacing between the pressing mechanisms can be adjusted, facilitating the pressing, bonding, and fixing of coatings for LCDs of different widths.

Description

Technical Field

[0001] This utility model relates to the field of coating equipment technology, and in particular to a coating equipment for liquid crystal displays. Background Technology

[0002] As a key component of modern electronic devices, liquid crystal displays (LCDs) are widely used in smartphones, televisions, and industrial displays. To improve display performance, functional films are often applied to the screen surface. The coating equipment is the core equipment for this process, which involves precisely bonding thin film materials to the surface of the LCD screen to ensure that the film is tightly bonded to the screen while avoiding damage to the fragile LCD panel.

[0003] Existing LCD screen coating devices typically use a fixed extrusion mechanism, which allows the rollers to apply pressure directly through the cylinder, easily generating instantaneous impacts or overload pressure. Since LCD screen substrates are mostly made of glass or flexible OLED materials, their pressure resistance is weak, which can easily lead to screen breakage, pixel damage, or internal circuit deformation. Therefore, improvements are needed. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a coating device for liquid crystal displays, which aims to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A coating apparatus for a liquid crystal display screen includes a main body and a support groove, the support groove being formed on the top walls of opposite sides of the main body; it further includes: two electric sliders, a support frame, and a support cylinder, the two electric sliders being slidably disposed within the support groove; the support frame spanning across the main body and fixedly connected to the two electric sliders; the support cylinder being fixedly connected to the top of the support frame; an adjustment mechanism disposed on the inner top wall of the support frame and connected to the output end of the support cylinder, used for adjustment according to liquid crystal displays of different widths; a pressing mechanism disposed on the adjustment mechanism, used for pressing the coating on the liquid crystal display screen to make the liquid crystal display screen and the coating more tightly connected; and pressing rollers disposed on the pressing mechanism, used for pressing and bonding the liquid crystal display screen.

[0006] Preferably, the extrusion mechanism includes: an extrusion frame, a first extrusion block, an extrusion spring, and a second extrusion block; the extrusion frame is fixedly connected to the bottom of the adjustment mechanism; the first extrusion block is fixedly connected inside the extrusion frame; one end of the extrusion spring is fixedly connected to the first extrusion block; the second extrusion block is fixedly connected to the other end of the extrusion spring; and a rotating component is provided on the first extrusion block.

[0007] Preferably, the rotating component includes: two first rotating shafts symmetrically arranged on the inner wall of the first extrusion block and fixedly connected to the first extrusion block; two first rotating plates symmetrically arranged on both sides of one of the first rotating shafts, one end of each of the two first rotating plates being rotatably connected to the first rotating shaft; a second rotating shaft rotatably connected to the other end of each of the two first rotating plates; two third rotating shafts symmetrically arranged on the second extrusion block and fixedly connected to the second extrusion block; two second rotating plates, one end of which is rotatably connected to the third rotating shaft and the other end of which is rotatably connected to the second rotating shaft; a transmission frame is fixedly connected to the outer side of the second rotating shaft, a transmission spring is provided on the outer side of the transmission frame, one end of which is fixedly connected to the transmission frame and the other end of which is fixedly connected to the extrusion frame; and a rotating component is provided at the bottom of the second extrusion block.

[0008] Preferably, the rotating component includes: a rotating frame, fixedly connected to the bottom of the second extrusion block; a rotating shaft, fixedly connected to the inner sidewall of the rotating frame, and the extrusion roller rotatably connected to the outer wall of the rotating shaft; and a pressure sensor, disposed inside the rotating shaft and fixedly connected to the rotating shaft.

[0009] Preferably, the adjustment mechanism includes: an adjustment block, an adjustment frame, an adjustment motor, and a bidirectional lead screw. The adjustment block is fixedly connected to the output end of the support cylinder; the adjustment frame is fixedly connected to one side of the adjustment block; the adjustment motor is fixedly connected to the adjustment frame; one end of the bidirectional lead screw is fixedly connected to the output end of the adjustment motor, and the other end passes through the adjustment block and is rotatably connected to it; a sliding component is provided inside the adjustment block.

[0010] Preferably, the sliding component includes: a sliding groove and two sliding blocks, the sliding groove being formed within the adjusting block; the two sliding blocks being slidably disposed within the sliding groove and helically connected to the bidirectional lead screw.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: By incorporating a pressing mechanism and pressing rollers, the coating on the LCD screen is bonded together, and the mechanism provides cushioning during the pressing process to prevent damage to the screen. An adjustment mechanism allows for adjustment of the spacing between the pressing mechanisms, facilitating the pressing, bonding, and fixing of coatings on LCD screens of varying widths. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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.

[0013] Figure 1 A three-dimensional structural schematic diagram of a coating apparatus for a liquid crystal display screen is shown.

[0014] Figure 2 A three-dimensional cross-sectional structural schematic diagram of a coating apparatus for a liquid crystal display screen is shown.

[0015] Figure 3 An exploded perspective view of a coating apparatus for a liquid crystal display screen is shown.

[0016] Figure 4 An exploded view of the adjustment mechanism of a coating apparatus for a liquid crystal display screen is shown.

[0017] Figure 5 An exploded view of the extrusion mechanism of a coating apparatus for a liquid crystal display screen is shown.

[0018] Figure 6 A schematic diagram of the extrusion mechanism of a coating apparatus for a liquid crystal display screen is shown.

[0019] Figure 7 It shows Figure 2 Enlarged view of point A in the middle.

[0020] Legend: 1. Main body of the device; 2. Support groove; 3. Electric slider; 4. Support frame; 5. Support cylinder; 6. Extrusion roller; 7. Adjusting block; 8. Adjusting frame; 9. Adjusting motor; 10. Two-way lead screw; 11. Sliding groove; 12. Sliding block; 13. Extrusion frame; 14. First extrusion block; 15. Extrusion spring; 16. Second extrusion block; 17. First rotating shaft; 18. First rotating plate; 19. Second rotating shaft; 20. Third rotating shaft; 21. Second rotating plate; 22. Transmission frame; 23. Transmission spring; 24. Rotating frame; 25. Rotating shaft; 26. Pressure sensor. Detailed Implementation

[0021] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] Reference Figures 1 to 7 The present invention provides a further description of an embodiment of a coating apparatus for a liquid crystal display screen.

[0026] A coating apparatus for a liquid crystal display screen includes a main body 1 and a support groove 2, the support groove 2 being formed on the top walls of opposite sides of the main body 1; it also includes: two electric sliders 3, a support frame 4, and a support cylinder 5. The two electric sliders 3 are slidably disposed within the support groove 2, the support frame 4 spans across the top of the main body 1 and is fixedly connected to the two electric sliders 3; the support cylinder 5 is fixedly connected to the top of the support frame 4; an adjustment mechanism is disposed on the inner top wall of the support frame 4 and connected to the output end of the support cylinder 5, used for adjustment according to liquid crystal displays of different widths; a pressing mechanism is disposed on the adjustment mechanism, used for pressing the coating of the liquid crystal display screen to make the liquid crystal display screen and the coating more tightly connected; and a pressing roller 6 is disposed on the pressing mechanism, used for pressing and fixing the liquid crystal display screen.

[0027] Reference Figure 4 and Figure 7 In a preferred embodiment, the adjustment mechanism includes: an adjustment block 7, an adjustment frame 8, an adjustment motor 9, and a bidirectional lead screw 10. The adjustment block 7 is fixedly connected to the output end of the support cylinder 5; the adjustment frame 8 is fixedly connected to one side of the adjustment block 7; the adjustment motor 9 is fixedly connected to the adjustment frame 8; one end of the bidirectional lead screw 10 is fixedly connected to the output end of the adjustment motor 9, and the other end passes through the adjustment block 7 and is rotatably connected to it; a sliding component is provided inside the adjustment block 7.

[0028] Reference Figure 2 , Figure 4 and Figure 7 In a preferred embodiment, the sliding component includes a sliding groove 11 and two sliding blocks 12. The sliding groove 11 is formed within the adjusting block 7. The two sliding blocks 12 are slidably disposed within the sliding groove 11 and are helically connected to the bidirectional lead screw 10.

[0029] Reference Figure 5 and Figure 6 In a preferred embodiment, the extrusion mechanism includes: an extrusion frame 13, a first extrusion block 14, an extrusion spring 15, and a second extrusion block 16; the extrusion frame 13 is fixedly connected to the bottom of the sliding block 12; the first extrusion block 14 is fixedly connected inside the extrusion frame 13; the upper and lower ends of the extrusion spring 15 are fixedly connected to the first extrusion block 14 and the second extrusion block 16 respectively; and a rotating component is provided on the first extrusion block 14.

[0030] Reference Figure 5 and Figure 6In a preferred embodiment, the rotating component includes: two first rotating shafts 17, which are symmetrically arranged on the inner wall of the first extrusion block 14 and fixedly connected to the first extrusion block 14; two first rotating plates 18, which are symmetrically arranged on both sides of one of the first rotating shafts 17, with one end of each first rotating plate 18 rotatably connected to the first rotating shaft 17; a second rotating shaft 19, which is rotatably connected to the other end of each of the two first rotating plates 18; two third rotating shafts 20, which are symmetrically arranged on the second extrusion block 16 and fixedly connected to the second extrusion block 16; two second rotating plates 21, one end of which is rotatably connected to the third rotating shaft 20 and the other end of which is rotatably connected to the second rotating shaft 19; a transmission frame 22 is fixedly connected to the outer side of the second rotating shaft 19, and a transmission spring 23 is provided on the outer side of the transmission frame 22, with one end of the transmission spring 23 fixedly connected to the transmission frame 22 and the other end fixedly connected to the extrusion frame 13; and a rotating component is provided at the bottom of the second extrusion block 16.

[0031] Reference Figure 5 and Figure 6 In a preferred embodiment, the rotating component includes: a rotating frame 24, fixedly connected to the bottom of the second extrusion block 16; a rotating shaft 25, fixedly connected to the inner wall of the rotating frame 24, and the extrusion roller 6 rotatably connected to the outer wall of the rotating shaft 25; and a pressure sensor 26, disposed inside the rotating shaft 25 and fixedly connected to the rotating shaft 25.

[0032] Working principle: When in use, the coated LCD screen is first placed into the main body 1 of the device, and then the adjustment motor 9 is started, which drives the bidirectional lead screw 10, which is fixedly connected to the output end of the adjustment motor 9, to rotate on the adjustment block 7. This causes the sliding block 12, which is helically connected to the bidirectional lead screw 10, to slide in the sliding groove 11, so that the two sliding blocks 12 move relative to each other, thereby driving the extrusion frame 13, which is fixedly connected to the sliding block 12, to move, thereby realizing the corresponding adjustment according to the width of the LCD screen. The support cylinder 5 is activated, which drives the adjusting block 7 closer to the LCD screen until the extrusion roller 6 contacts the coating on the surface of the LCD screen. When the extrusion roller 6 contacts the LCD screen, it drives the rotating frame 24 to slide into the extrusion frame 13, causing the second extrusion block 16, which is fixedly connected to the rotating frame 24, to move closer to the first extrusion block 14. This causes the extrusion spring 15 to be compressed, generating elastic potential energy. This causes the second rotating plate 21, which is rotatably connected to the second rotating shaft 19, to rotate around the axis of the third rotating shaft 20. This causes the transmission frame 22, which is fixedly connected to the second rotating shaft 19, to move closer to the inside of the extrusion frame 13, causing the transmission spring 23 to be compressed, generating elastic potential energy. This causes the first rotating plate 18, which is rotatably connected to the second rotating shaft 19, to rotate around the axis of the first rotating shaft 17, thereby buffering the LCD screen and preventing damage to it. The electric slider 3 is activated, causing the support frame 4 to move. This causes the extrusion roller 6 to rotate around the rotation shaft 25, which is fixedly connected to the rotating frame 24. A pressure sensor 26 installed within the rotation shaft 25 monitors the pressure of the extrusion roller 6 in real time to prevent excessive pressure. Specifically, when the extrusion roller 6 contacts the surface of the display screen, the pressure exerted by the roller is transmitted to the rotation shaft 25, allowing the pressure sensor 26 to monitor the pressure. This pressure can also be observed through the control panel on the device itself. The pressure sensor can be a Honeywell FSS-SMT Series miniature piezoresistive force sensor.

[0033] It should be noted that the electric slider, support cylinder, adjusting motor, pressure sensor, etc. in this application can all be controlled by the program set in the control panel. This control method can be achieved by existing technology, such as PLC. The device body is equipped with control buttons and control panel for monitoring and control.

[0034] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A coating apparatus for a liquid crystal display screen, comprising an apparatus body (1) and a support groove (2), the support groove (2) being formed on opposite top walls of the apparatus body (1); characterized in that, Also includes: Two electric sliders (3), a support frame (4), and a support cylinder (5) are provided. The two electric sliders (3) are slidably disposed in the support groove (2). The support frame (4) spans across the main body (1) of the device and is fixedly connected to the two electric sliders (3). The support cylinder (5) is fixedly connected to the top of the support frame (4). An adjustment mechanism is disposed on the top inner wall of the support frame (4) and connected to the output end of the support cylinder (5) for adjusting according to different widths of liquid crystal displays. A pressing mechanism is disposed on the adjustment mechanism for pressing the coating of the liquid crystal display to make the liquid crystal display and the coating more tightly connected. A pressing roller (6) is disposed on the pressing mechanism for pressing and fixing the liquid crystal display.

2. The coating apparatus for a liquid crystal display screen according to claim 1, characterized in that, The extrusion mechanism includes: an extrusion frame (13), a first extrusion block (14), an extrusion spring (15), and a second extrusion block (16); the extrusion frame (13) is fixedly connected to the bottom of the adjustment mechanism; the first extrusion block (14) is fixedly connected inside the extrusion frame (13); one end of the extrusion spring (15) is fixedly connected to the first extrusion block (14); the second extrusion block (16) is fixedly connected to the other end of the extrusion spring (15); a rotating component is provided on the first extrusion block (14).

3. The coating apparatus for a liquid crystal display screen according to claim 2, characterized in that, The rotating component includes: two first rotating shafts (17), which are symmetrically arranged on the inner wall of the first extrusion block (14) and fixedly connected to the first extrusion block (14); two first rotating plates (18) are symmetrically arranged on both sides of one of the first rotating shafts (17), with one end of each first rotating plate (18) rotatably connected to the first rotating shaft (17); a second rotating shaft (19) is rotatably connected to the other end of the two first rotating plates (18); and two third rotating shafts (20), symmetrically arranged on the second extrusion block (14). 16) and fixedly connected to the second extrusion block (16); two second rotating plates (21), one end of which is rotatably connected to the third rotating shaft (20), and the other end of which is rotatably connected to the second rotating shaft (19); a transmission frame (22) is fixedly connected to the outside of the second rotating shaft (19), and a transmission spring (23) is provided on the outside of the transmission frame (22); one end of the transmission spring (23) is fixedly connected to the transmission frame (22), and the other end of which is fixedly connected to the extrusion frame (13); a rotating component is provided at the bottom of the second extrusion block (16).

4. The coating apparatus for a liquid crystal display screen according to claim 3, characterized in that, The rotating component includes: a rotating frame (24), which is fixedly connected to the bottom of the second extrusion block (16); a rotating shaft (25), which is fixedly connected to the inner wall of the rotating frame (24), and the extrusion roller (6) is rotatably connected to the outer wall of the rotating shaft (25); and a pressure sensor, which is disposed inside the rotating shaft (25) and fixedly connected to the rotating shaft (25).

5. The coating apparatus for a liquid crystal display screen according to claim 1, characterized in that, The adjustment mechanism includes: an adjustment block (7), an adjustment frame (8), an adjustment motor (9), and a two-way lead screw (10). The adjustment block (7) is fixedly connected to the output end of the support cylinder (5); the adjustment frame (8) is fixedly connected to one side of the adjustment block (7); the adjustment motor (9) is fixedly connected to the adjustment frame (8); one end of the two-way lead screw (10) is fixedly connected to the output end of the adjustment motor (9), and the other end passes through the adjustment block (7) and is rotatably connected to it; a sliding component is provided inside the adjustment block (7).

6. The coating apparatus for a liquid crystal display screen according to claim 5, characterized in that, The sliding component includes a sliding groove (11) and two sliding blocks (12). The sliding groove (11) is opened in the adjusting block (7). The two sliding blocks (12) are slidably disposed in the sliding groove (11) and are helically connected to the bidirectional lead screw (10).

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