Liquid crystal display screen thinning and clamping device

Abstract

The utility model discloses a liquid crystal display screen thinning and clamping device which comprises a bottom plate, the upper side of the bottom plate is fixedly connected with a connecting column, the two ends of the connecting column are rotationally connected with L-shaped rods respectively, the other ends of the two L-shaped rods are connected with mounting plates respectively, one side of each mounting plate is fixedly connected with a base, and the other side of each mounting plate is fixedly connected with a connecting rod. A placing plate is fixedly connected between the base and the mounting plate, a fixed clamping device is arranged on one side of the mounting plate, and an angle adjusting device is arranged on the upper side of the bottom plate. Compared with the prior art, the liquid crystal display screen thinning and clamping device has the advantage of having an angle adjusting function.

Description

Technical Field

[0001] The utility model relates to the technical field of display production equipment, in particular to a thinning clamping device for a liquid crystal display screen. Background Art

[0002] Nowadays, the thickness of display screens is getting thinner and thinner, and it is necessary to thin the display screens. Currently, the mainstream thinning process is mainly the chemical thinning method, which utilizes the mutual reaction between the glass substrate and the etching solution to achieve the effect of chemical thinning. This method has a short thinning time, low equipment investment, high product yield, and simple composition and low cost of the thinning solution. Chemical thinning basically uses hydrofluoric acid as the main component and adds other strong acids as auxiliary. The acid solution reacts with the silicon dioxide in the glass, and the surface of the eroded glass substrate peels off to achieve the thinning purpose.

[0003] The patent with the patent number CN211466110U in the prior art discloses a thinning clamping device for a liquid crystal display screen, which aims to solve the technical problems that the existing thinning clamping devices generally have difficulty in adjusting the size and can only be applicable to display screens with a fixed length, or a fixed width, or a fixed aspect ratio.

[0004] The disadvantages of the patents in the prior art: The patents in the prior art are not convenient to adjust the angle of the display screen and are not convenient for operation. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a thinning clamping device for a liquid crystal display screen with an angle adjustment function.

[0006] To solve the above problems, the technical solution of the utility model is: A thinning clamping device for a liquid crystal display screen, including a bottom plate, a connecting column is fixedly connected to the upper side of the bottom plate, L-shaped rods are rotatably connected to both ends of the connecting column respectively, mounting plates are connected to the other ends of the two L-shaped rods respectively, a base is fixedly connected to one side of the mounting plate, a placing plate is fixedly connected between the base and the mounting plate, a fixed clamping device is arranged on one side of the mounting plate, and an angle adjustment device is arranged on the upper side of the bottom plate; the angle adjustment device includes a motor base, the motor base is fixedly connected to the upper side of the bottom plate, a double-headed motor is fixedly connected to the upper side of the motor base, rotating rods are fixedly connected to the output ends on both sides of the double-headed motor respectively, first bevel gears are fixedly connected to both ends of the two rotating rods respectively, and second bevel gears are meshed with one side of the two first bevel gears respectively.

[0007] Further, the fixed clamping device includes a motor plate, the motor plate is fixedly connected to one side of the mounting plate, a driving motor is fixedly connected to one side of the motor plate, an output end of the driving motor is fixedly connected with a threaded rod, two limiting plates are fixedly connected to one side of the mounting plate, one end of the threaded rod is rotatably connected to one side of one of the limiting plates, and clamping plates are respectively threadedly connected to both ends of the threaded rod.

[0008] Further, the thread directions at both ends of the threaded rod are opposite.

[0009] Further, two connecting seats are fixedly connected to the upper side of the bottom plate, threaded columns are respectively fixedly connected to one sides of the two second bevel gears, and one ends of the two threaded columns are respectively rotatably connected to the inner sides of the connecting seats.

[0010] Further, sliders are respectively threadedly connected to the outer sides of the two threaded columns, and the upper sides of the two sliders are respectively connected to the bottom end of the mounting plate.

[0011] Further, a protection box is arranged outside the first bevel gear and the second bevel gear, and the protection box is fixedly connected to the upper side of the bottom plate.

[0012] The advantages of the present utility model compared with the existing technology are as follows: By means of the angle adjustment device provided in the present utility model, by driving the double-headed motor, the output ends on both sides thereof drive the two rotating rods to rotate, driving the two first bevel gears and the two second bevel gears to rotate, and further driving the two threaded columns to rotate, driving the two sliders threadedly connected thereto to move along the direction of the threaded columns, and further rotating one end of the mounting plate, so as to realize the angle adjustment of the display screen, which is convenient for thinning. Description of the Drawings

[0013] Figure 1 is a three-dimensional Figure 1 .

[0014] Figure 2 is a three-dimensional Figure 2 .

[0015] Figure 3 is a three-dimensional Figure 3 .

[0016] Figure 4 is a cross-section of a liquid crystal display screen thinning and positioning device of the present utility model Figure 4 .

[0017] Figure 5 is a cross-section inside the protection box of a liquid crystal display screen thinning and positioning device of the present utility model Figure 5

[0018] As shown in the figure: 1. Bottom plate; 2. Connecting column; 3. L-shaped rod; 4. Mounting plate; 5. Base; 6. Placing plate; 7. Fixed clamping device; 701. Motor plate; 702. Driving motor; 703. Threaded rod; 704. Limiting plate; 705. Clamping plate; 8. Angle adjusting device; 801. Motor base; 802. Double-headed motor; 803. Rotating rod; 804. First bevel gear; 805. Second bevel gear; 806. Connecting seat; 807. Threaded column; 808. Slide block; 809. Protection box. Detailed implementation mode

[0019] The following will further illustrate the detailed implementation mode of the present invention with reference to the attached drawings. Among them, the same components are denoted by the same reference numerals.

[0020] It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component respectively.

[0021] In order to make the content of the present invention easier to be clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

[0022] As Figures 1 to 5 shown, a thinning clamping device for a liquid crystal display screen includes a bottom plate 1, a connecting column 2 is fixedly connected to the upper side of the bottom plate 1, L-shaped rods 3 are rotatably connected to both ends of the connecting column 2, mounting plates 4 are respectively connected to the other ends of the two L-shaped rods 3, a base 5 is fixedly connected to one side of the mounting plate 4, a placing plate 6 is fixedly connected between the base 5 and the mounting plate 4, a fixed clamping device 7 is arranged on one side of the mounting plate 4, and an angle adjusting device 8 is arranged on the upper side of the bottom plate 1. Place the display screen on the upper side of the base 5 and lean it against one side of the placing plate 6, fix it through the fixed clamping device 7, and then adjust the angle through the angle adjusting device 8 to facilitate thinning.

[0023] The fixed clamping device 7 includes a motor plate 701, the motor plate 701 is fixedly connected to one side of the mounting plate 4, a driving motor 702 is fixedly connected to one side of the motor plate 701, a threaded rod 703 is fixedly connected to the output end of the driving motor 702, two limiting plates 704 are fixedly connected to one side of the mounting plate 4, one end of the threaded rod 703 is rotatably connected to one side of one of the limiting plates 704, and clamping plates 705 are respectively threadedly connected to both ends of the threaded rod 703. The thread directions at both ends of the threaded rod 703 are opposite. By driving the output end of the driving motor 702 to drive the threaded rod 703 to rotate, since the thread directions at both ends of the threaded rod 703 are opposite, the two clamping plates 705 threadedly connected thereto are driven to move relatively, so as to fix the display screen.

[0024] The angle adjustment device 8 includes a motor base 801, the motor base 801 is fixedly connected to the upper side of the bottom plate 1, a double-headed motor 802 is fixedly connected to the upper side of the motor base 801, rotating rods 803 are respectively fixedly connected to the output ends on both sides of the double-headed motor 802, first bevel gears 804 are respectively fixedly connected to both ends of the two rotating rods 803, and second bevel gears 805 are respectively meshed with one side of the two first bevel gears 804. Two connecting seats 806 are fixedly connected to the upper side of the bottom plate 1, threaded columns 807 are respectively fixedly connected to one side of the two second bevel gears 805, and one end of each of the two threaded columns 807 is rotatably connected to the inner side of the connecting seat 806. Sliders 808 are respectively threadedly connected to the outer sides of the two threaded columns 807, and the upper sides of the two sliders 808 are respectively connected to the bottom end of the mounting plate 4. A protective box 809 is arranged outside the first bevel gear 804 and the second bevel gear 805, and the protective box 809 is fixedly connected to the upper side of the bottom plate 1. By driving the double-headed motor 802, the output ends on both sides thereof drive the two rotating rods 803 to rotate, driving the two first bevel gears 804 and the two second bevel gears 805 to rotate, thereby driving the two threaded columns 807 to rotate, driving the two sliders 808 threadedly connected thereto to move along the direction of the threaded columns 807, and further rotating one end of the mounting plate 4, so as to adjust the angle of the display screen, which is convenient for thinning.

[0025] In specific use, the display screen is placed on the upper side of the base 5 and abuts against one side of the placement plate 6. The output end of the driving motor 702 drives the threaded rod 703 to rotate. Since the thread directions at both ends of the threaded rod 703 are opposite, the two clamping plates 705 threadedly connected thereto are driven to move relatively, so as to fix the display screen. By driving the double-headed motor 802, the output ends on both sides thereof drive the two rotating rods 803 to rotate, driving the two first bevel gears 804 and the two second bevel gears 805 to rotate, and then driving the two threaded columns 807 to rotate, driving the two sliders 808 threadedly connected thereto to move along the threaded columns 807, and then rotating one end of the mounting plate 4, so as to adjust the angle of the display screen, which is convenient for thinning, and the work is completed.

[0026] The above describes the present invention and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the present invention, creatively design a structural manner and an embodiment similar to the technical solution, they shall fall within the protection scope of the present invention.

Claims

1. A thinning positioning device for a liquid crystal display screen, comprising a bottom plate (1), characterized in that: A connecting column (2) is fixedly connected to the upper side of the bottom plate (1). L-shaped rods (3) are rotatably connected to both ends of the connecting column (2). The other ends of the two L-shaped rods (3) are respectively connected with mounting plates (4). A base (5) is fixedly connected to one side of the mounting plate (4). A placing plate (6) is fixedly connected between the base (5) and the mounting plate (4). A fixed clamping device (7) is arranged on one side of the mounting plate (4). An angle adjusting device (8) is arranged on the upper side of the bottom plate (1). The angle adjusting device (8) includes a motor base (801). The motor base (801) is fixedly connected to the upper side of the bottom plate (1). A double-headed motor (802) is fixedly connected to the upper side of the motor base (801). Rotating rods (803) are fixedly connected to the output ends on both sides of the double-headed motor (802). First bevel gears (804) are fixedly connected to both ends of the two rotating rods (803). Second bevel gears (805) are respectively meshed with one side of the two first bevel gears (804).

2. The thinning positioning device for a liquid crystal display screen according to claim 1, wherein: The fixed clamping device (7) includes a motor plate (701). The motor plate (701) is fixedly connected to one side of the mounting plate (4). A driving motor (702) is fixedly connected to one side of the motor plate (701). A threaded rod (703) is fixedly connected to the output end of the driving motor (702). Two limiting plates (704) are fixedly connected to one side of the mounting plate (4). One end of the threaded rod (703) is rotatably connected to one side of one of the limiting plates (704). Clamping plates (705) are respectively threadedly connected to both ends of the threaded rod (703).

3. The thinning positioning device for a liquid crystal display screen according to claim 2, wherein: The thread directions at both ends of the threaded rod (703) are opposite.

4. A thinning positioning device for a liquid crystal display screen according to claim 1, characterized in that: Two connecting seats (806) are fixedly connected to the upper side of the bottom plate (1). Threaded columns (807) are fixedly connected to one side of the two second bevel gears (805). One end of each of the two threaded columns (807) is rotatably connected to the inner side of the connecting seat (806).

5. The thinning positioning device for a liquid crystal display screen according to claim 4, wherein: Sliders (808) are respectively threadedly connected to the outer sides of the two threaded columns (807). The upper sides of the two sliders (808) are respectively connected to the bottom end of the mounting plate (4).

6. The thinning positioning device for a liquid crystal display screen according to claim 1, wherein: A protective box (809) is arranged outside the first bevel gear (804) and the second bevel gear (805). The protective box (809) is fixedly connected to the upper side of the bottom plate (1).

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