Liquid crystal screen film pasting device with precise positioning function

Abstract

The utility model relates to the technical field of liquid crystal screen film pasting, and provides a liquid crystal screen film pasting device with a precise positioning function, which comprises a working table, the bottom of the working table is fixedly connected with supporting legs, and the top of the working table is provided with a positioning device; the positioning device comprises a motor, the bottom of the motor is fixedly connected to the top of the workbench, and an output shaft of the motor is fixedly connected with a bidirectional threaded rod. According to the liquid crystal screen film pasting device, the effect that when an L-shaped push rod gets close to the middle and an L-shaped connecting rod gets close to the middle, a first positioning plate and a second positioning plate will be pushed to get close to the middle is achieved, and therefore a liquid crystal screen placed on the workbench can be positioned, displacement cannot happen during film pasting, and film pasting can be better conducted.

Description

Technical Field

[0001] This utility model relates to the field of LCD screen film application technology, specifically, to an LCD screen film application device with precise positioning function. Background Technology

[0002] An LCD screen uses liquid crystal material as its basic component, filling the space between two parallel plates. By applying voltage, the arrangement of molecules within the liquid crystal material is altered to achieve light blocking and transmission, displaying images of varying depths and textures. Furthermore, by adding a color filter layer with three primary colors between the two plates, color images can be displayed. LCD screens consume very little power, making them highly favored by engineers and suitable for battery-powered electronic devices.

[0003] Utility model CN ​​208537855 U discloses a rolling and folding device for applying LCD screen film, including a rolling support bracket. The top of the rolling support bracket has a mounting plate with connection holes. A working component is mounted on the bottom of the mounting plate on the rolling support bracket. An adsorption mechanism is arranged side-by-side on one side of the working component. Light-shielding adhesive is adsorbed through the adsorption mechanism, and the LCD screen is placed at the bottom of the working component. This utility model can automate and improve the efficiency of applying light-shielding tape to large batches of LCD screen modules, saving limited resources and reducing costs.

[0004] However, the aforementioned application uses a roller bracket with a mounting plate assembly on top, which makes it impossible to position the LCD screen during film application. This may cause the LCD screen to shift during film application, affecting the application process. Therefore, we propose an LCD screen film application device with precise positioning function that can position the LCD screen during film application. Utility Model Content

[0005] This invention proposes a liquid crystal screen film application device with precise positioning function.

[0006] The technical solution of this utility model is as follows: A liquid crystal screen film application device with precise positioning function includes a worktable, a support leg fixedly connected to the bottom of the worktable, and a positioning device provided on the top of the worktable.

[0007] The positioning device includes a motor, the bottom of which is fixedly connected to the top of the worktable. A bidirectional threaded rod is fixedly connected to the output shaft of the motor. A threaded sleeve is threaded onto the circumferential surface of the bidirectional threaded rod. An L-shaped push rod is fixedly connected to the circumferential surface of the threaded sleeve. An L-shaped connecting rod is fixedly connected to the side of the L-shaped push rod. A first sliding groove is formed on the top of the worktable. The side of the L-shaped push rod is slidably connected to the inner wall of the first sliding groove. A second sliding groove is formed on the top of the worktable. The side of the L-shaped connecting rod is slidably connected to the inner wall of the second sliding groove. A first positioning plate and a second positioning plate are slidably connected to the top of the worktable.

[0008] A first force-bearing plate is fixedly connected to the top of the workbench. A first return spring is fixedly connected to the front side of the first force-bearing plate. The end of the first return spring away from the first force-bearing plate is fixedly connected to the back side of the first positioning plate. A second force-bearing plate is fixedly connected to the top of the workbench. A second return spring is fixedly connected to the front side of the second force-bearing plate. The end of the second return spring away from the second force-bearing plate is fixedly connected to the back side of the second positioning plate. The function of the first return spring is to allow the first positioning plate to be reset when the L-shaped push rod stops pushing it. The function of the second return spring is to allow the second positioning plate to be reset when the L-shaped connecting rod stops pushing it.

[0009] A limiting rod is fixedly connected to the front side of the motor. The circumferential surface of the limiting rod passes through the back side of the threaded sleeve. The circumferential surface of the limiting rod is slidably connected to the inner wall of the threaded sleeve. The function of the limiting rod is to restrict the displacement trajectory of the threaded sleeve.

[0010] The number of threaded sleeve, L-shaped push rod, L-shaped connecting rod, first positioning plate, second positioning plate, first force plate, first return spring, second force plate and second return spring are each set to two, and they are symmetrical to each other along the vertical central axis of the worktable. The back side of the first positioning plate is located on the displacement trajectory of the L-shaped push rod, and the back side of the second positioning plate is located on the position trajectory of the L-shaped connecting rod. The purpose of setting the number of threaded sleeve, L-shaped push rod, L-shaped connecting rod, first positioning plate, second positioning plate, first force plate, first return spring, second force plate and second return spring to two, and symmetrical to each other along the vertical central axis of the worktable, is to enable better positioning of the LCD screen.

[0011] A cleaning device is provided on the side of the workbench. The cleaning device includes a push rod. The top of the push rod is fixedly connected to the circumferential surface of the threaded sleeve. A water tank is fixedly connected to the side of the workbench. A water outlet is opened on the front side of the water tank. A water supply pipe is fixedly connected to the circumferential surface of the water outlet. A water spray head is fixedly connected to one end of the water supply pipe. The function of the water spray head is to spray water on the surface of the LCD screen.

[0012] A push column runs through the back side of the water tank. The circumferential surface of the push column is slidably connected to the inner wall of the water tank. A squeezing plate is fixedly connected to the front side of the push column. The side of the squeezing plate is slidably connected to the inner wall of the water tank. The function of the squeezing plate is to squeeze the clean water in the water tank.

[0013] A spring is fixedly connected to the circumferential surface of the push column. The end of the spring away from the push column is fixedly connected to the back side of the water tank. The function of the spring is to allow the push column to be reset when the push rod stops pushing the push column.

[0014] The back side of the push column is located on the displacement trajectory of the push rod, and the bottom of the water spray head is located above the worktable. The purpose of the back side of the push column being located on the displacement trajectory of the push rod is to push the push column to move when the push rod moves. The purpose of the bottom of the water spray head being located above the worktable is to allow the cleaning water sprayed from the water spray head to fall onto the LCD screen.

[0015] The working principle and beneficial effects of this utility model are as follows:

[0016] 1. This utility model, through the rotation of the motor output shaft and the cooperation of components such as the bidirectional threaded rod, threaded sleeve, L-shaped push rod, L-shaped connecting rod, first positioning plate, and second positioning plate inside the positioning device, achieves the following: when the bidirectional threaded rod rotates, it drives the two threaded sleeves to move towards the center; when the threaded sleeves move towards the center, they drive the L-shaped push rod to move towards the center; when the L-shaped push rod moves towards the center, it drives the L-shaped connecting rod to move towards the center; when the L-shaped push rod and the L-shaped connecting rod move towards the center, they respectively push the first positioning plate and the second positioning plate towards the center. This allows for the positioning of the LCD screen placed on the worktable, preventing displacement during film application and enabling better film application.

[0017] 2. This utility model, through the movement of the threaded sleeve and the cooperation of components such as the push rod, water tank, water outlet, water pipe, and spray head inside the cleaning device, achieves the following: when the threaded sleeve moves towards the center, it drives the push rod to move. When the push rod moves, it pushes the push column to move into the water tank. When the push column moves into the water tank, it pushes the extrusion plate to squeeze the cleaning water in the water tank. Thus, the cleaning water is squeezed from the water tank to the spray head, and then sprayed onto the LCD screen for cleaning. This ensures that dust on the surface of the LCD screen will not affect the film application effect.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a three-dimensional front view of the overall structure of this utility model;

[0021] Figure 2 This is a three-dimensional schematic diagram of the positioning device structure of this utility model;

[0022] Figure 3 This is a three-dimensional sectional view of the cleaning device structure of this utility model;

[0023] Figure 4 This utility model Figure 2 A three-dimensional magnified view of the structure at point A in the middle;

[0024] Figure 5 This utility model Figure 2 A three-dimensional magnified view of the structure at point B in the middle;

[0025] Figure 6 This utility model Figure 3 A 3D magnified view of the structure at point C.

[0026] In the diagram: 1. Workbench; 2. Support leg; 3. Positioning device; 31. Motor; 32. Bidirectional threaded rod; 33. Threaded sleeve; 34. L-shaped push rod; 35. L-shaped connecting rod; 36. First slide groove; 37. Second slide groove; 38. First positioning plate; 39. Second positioning plate; 310. First force plate; 311. First return spring; 312. Second force plate; 313. Second return spring; 314. Limiting rod; 4. Cleaning device; 41. Push rod; 42. Water tank; 43. Water outlet; 44. Water pipe; 45. Spray head; 46. Push column; 47. Extrusion plate; 48. Elastic spring. Detailed Implementation

[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0028] Example 1

[0029] like Figures 1-6 As shown, this embodiment proposes a liquid crystal screen film application device with precise positioning function, including a worktable 1, a support leg 2 fixedly connected to the bottom of the worktable 1, and a positioning device 3 provided on the top of the worktable 1.

[0030] The positioning device 3 includes a motor 31, the bottom of which is fixedly connected to the top of the worktable 1. The output shaft of the motor 31 is fixedly connected to a bidirectional threaded rod 32. A threaded sleeve 33 is threadedly connected to the circumferential surface of the bidirectional threaded rod 32. An L-shaped push rod 34 is fixedly connected to the circumferential surface of the threaded sleeve 33. An L-shaped connecting rod 35 is fixedly connected to the side of the L-shaped push rod 34. A first slide groove 36 is provided on the top of the worktable 1. The side of the L-shaped push rod 34 is slidably connected to the inner wall of the first slide groove 36. A second slide groove 37 is provided on the top of the worktable 1. The side of the L-shaped connecting rod 35 is slidably connected to the inner wall of the second slide groove 37. A first positioning plate 38 and a second positioning plate 39 are slidably connected to the top of the worktable 1.

[0031] A first force plate 310 is fixedly connected to the top of the workbench 1. A first return spring 311 is fixedly connected to the front side of the first force plate 310. The end of the first return spring 311 away from the first force plate 310 is fixedly connected to the back side of the first positioning plate 38. A second force plate 312 is fixedly connected to the top of the workbench 1. A second return spring 313 is fixedly connected to the front side of the second force plate 312. The end of the second return spring 313 away from the second force plate 312 is fixedly connected to the back side of the second positioning plate 39. The function of the first return spring 311 is to allow the first positioning plate 38 to be reset when the L-shaped push rod 34 stops pushing the first positioning plate 38. The function of the second return spring 313 is to allow the second positioning plate 39 to be reset when the L-shaped connecting rod 35 stops pushing the second positioning plate 39.

[0032] A limiting rod 314 is fixedly connected to the front side of the motor 31. The circumferential surface of the limiting rod 314 passes through the back side of the threaded sleeve 33. The circumferential surface of the limiting rod 314 is slidably connected to the inner wall of the threaded sleeve 33. The function of the limiting rod 314 is to limit the displacement trajectory of the threaded sleeve 33.

[0033] The number of threaded sleeve 33, L-shaped push rod 34, L-shaped connecting rod 35, first positioning plate 38, second positioning plate 39, first force plate 310, first return spring 311, second force plate 312 and second return spring 313 are each set to two, and they are symmetrical to each other along the vertical central axis of the worktable 1. The back side of the first positioning plate 38 is located on the displacement trajectory of the L-shaped push rod 34, and the back side of the second positioning plate 39 is located on the displacement trajectory of the L-shaped connecting rod 35. The purpose of setting the number of threaded sleeve 33, L-shaped push rod 34, L-shaped connecting rod 35, first positioning plate 38, second positioning plate 39, first force plate 310, first return spring 311, second force plate 312 and second return spring 313 to two, and symmetrical to each other along the vertical central axis of the worktable 1, is to better position the LCD screen.

[0034] In this embodiment, firstly, when the staff needs to apply a film to the LCD screen, the positioning device 3 can be used to position the LCD screen. First, the LCD screen to be applied is placed on the workbench 1. Then, by starting the motor 31, when the output shaft of the motor 31 rotates, it will drive the bidirectional threaded rod 32 to rotate. When the bidirectional threaded rod 32 rotates, it will drive the two threaded sleeves 33 to move towards the center. When the threaded sleeves 33 move towards the center, they will drive the L-shaped push rod 34 to move towards the center. When the L-shaped push rod 34 moves towards the center, it will drive the L-shaped connecting rod 35 to move towards the center. When the L-shaped push rod 34 and the L-shaped connecting rod 35 move towards the center, they will respectively push the first positioning plate 38 and the second positioning plate 39 towards the center, thereby positioning the LCD screen placed on the workbench 1, so that the staff can better apply the film.

[0035] Example 2

[0036] like Figures 1-6 As shown, based on the same concept as Embodiment 1 above, this embodiment also proposes that a cleaning device 4 is provided on the side of the workbench 1. The cleaning device 4 includes a push rod 41, the top of which is fixedly connected to the circumferential surface of the threaded sleeve 33. A water tank 42 is fixedly connected to the side of the workbench 1. A water outlet 43 is opened on the front side of the water tank 42. A water supply pipe 44 is fixedly connected to the circumferential surface of the water outlet 43. A water spray head 45 is fixedly connected to one end of the water supply pipe 44. The function of the water spray head 45 is to spray water on the surface of the LCD screen.

[0037] A pusher column 46 runs through the back side of the water tank 42. The circumferential surface of the pusher column 46 is slidably connected to the inner wall of the water tank 42. A squeeze plate 47 is fixedly connected to the front side of the pusher column 46. The side of the squeeze plate 47 is slidably connected to the inner wall of the water tank 42. The function of the squeeze plate 47 is to squeeze the clean water in the water tank 42.

[0038] A spring 48 is fixedly connected to the circumferential surface of the push column 46. The end of the spring 48 away from the push column 46 is fixedly connected to the back side of the water tank 42. The function of the spring 48 is to allow the push column 46 to be reset by the spring 48 when the push rod 41 stops pushing it.

[0039] The back side of the push column 46 is located on the displacement trajectory of the push rod 41, and the bottom of the spray head 45 is located above the worktable 1. The purpose of the back side of the push column 46 being located on the displacement trajectory of the push rod 41 is to push the push column 46 to move when the push rod 41 moves. The purpose of the bottom of the spray head 45 being located above the worktable 1 is to allow the cleaning water sprayed from the spray head 45 to fall onto the LCD screen.

[0040] In this embodiment, the movement of the threaded sleeve 33 can drive the cleaning device 4. The cleaning device 4 can also be used when applying a film to the LCD screen to clean the surface of the LCD screen and prevent dust from affecting the film application effect. When the threaded sleeve 33 moves towards the center, it will drive the push rod 41 to move. When the push rod 41 moves, it will push the push column 46 to move into the water tank 42. When the push column 46 moves into the water tank 42, it will push the extrusion plate 47 to extrude the cleaning water in the water tank 42. As a result, the cleaning water will be extruded from the outlet 43 along the water pipe 44 to the spray head 45 due to the extrusion force of the extrusion plate 47. The cleaning water will be sprayed from the spray head 45 onto the LCD screen for cleaning. Then, the staff can wipe off the cleaning water on the LCD screen and apply the film to the LCD screen.

[0041] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A liquid crystal screen film application device with precise positioning function, characterized in that, Includes a workbench (1), the bottom of which is fixedly connected to a support leg (2), and the top of which is provided with a positioning device (3). The positioning device (3) includes a motor (31), the bottom of which is fixedly connected to the top of the workbench (1). The output shaft of the motor (31) is fixedly connected to a bidirectional threaded rod (32). A threaded sleeve (33) is threadedly connected to the circumferential surface of the bidirectional threaded rod (32). An L-shaped push rod (34) is fixedly connected to the circumferential surface of the threaded sleeve (33). An L-shaped connecting rod (35) is fixedly connected to the side of the L-shaped push rod (34). A first slide groove (36) is provided on the top of the workbench (1). The side of the L-shaped push rod (34) is slidably connected to the inner wall of the first slide groove (36). A second slide groove (37) is provided on the top of the workbench (1). The side of the L-shaped connecting rod (35) is slidably connected to the inner wall of the second slide groove (37). A first positioning plate (38) is slidably connected to the top of the workbench (1). A second positioning plate (39) is slidably connected to the top of the workbench (1).

2. The LCD screen film application device with precise positioning function according to claim 1, characterized in that, The top of the workbench (1) is fixedly connected to a first force plate (310), and a first return spring (311) is fixedly connected to the front side of the first force plate (310). The end of the first return spring (311) away from the first force plate (310) is fixedly connected to the back side of the first positioning plate (38). The top of the workbench (1) is fixedly connected to a second force plate (312), and a second return spring (313) is fixedly connected to the front side of the second force plate (312). The end of the second return spring (313) away from the second force plate (312) is fixedly connected to the back side of the second positioning plate (39).

3. The LCD screen film application device with precise positioning function according to claim 2, characterized in that, A limiting rod (314) is fixedly connected to the front side of the motor (31). The circumferential surface of the limiting rod (314) passes through the back side of the threaded sleeve (33). The circumferential surface of the limiting rod (314) is slidably connected to the inner wall of the threaded sleeve (33).

4. The LCD screen film application device with precise positioning function according to claim 3, characterized in that, The number of the threaded sleeve (33), L-shaped push rod (34), L-shaped connecting rod (35), first positioning plate (38), second positioning plate (39), first force plate (310), first return spring (311), second force plate (312) and second return spring (313) are each set to two, and are symmetrical to each other along the vertical central axis of the worktable (1). The back side of the first positioning plate (38) is located on the displacement trajectory of the L-shaped push rod (34), and the back side of the second positioning plate (39) is located on the displacement trajectory of the L-shaped connecting rod (35).

5. A liquid crystal screen film application device with precise positioning function according to claim 4, characterized in that, A cleaning device (4) is provided on the side of the workbench (1). The cleaning device (4) includes a push rod (41). The top of the push rod (41) is fixedly connected to the circumferential surface of the threaded sleeve (33). A water tank (42) is fixedly connected to the side of the workbench (1). A water outlet (43) is opened on the front side of the water tank (42). A water supply pipe (44) is fixedly connected to the circumferential surface of the water outlet (43). A water spray head (45) is fixedly connected to one end of the water supply pipe (44).

6. A liquid crystal screen film application device with precise positioning function according to claim 5, characterized in that, A push column (46) runs through the back side of the water tank (42). The circumferential surface of the push column (46) is slidably connected to the inner wall of the water tank (42). A pressing plate (47) is fixedly connected to the front side of the push column (46). The side of the pressing plate (47) is slidably connected to the inner wall of the water tank (42).

7. A liquid crystal screen film application device with precise positioning function according to claim 6, characterized in that, A spring (48) is fixedly connected to the circumferential surface of the push column (46), and the end of the spring (48) away from the push column (46) is fixedly connected to the back side of the water tank (42).

8. A liquid crystal screen film application device with precise positioning function according to claim 7, characterized in that, The back side of the push column (46) is located on the displacement trajectory of the push rod (41), and the bottom of the spray head (45) is located above the workbench (1).

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