Positioning device based on LCD (liquid crystal display) processing

Abstract

The utility model discloses a positioning device based on LCD (liquid crystal display) processing, which comprises a rectangular plate, a support plate, a driving structure, a first clamping structure and a second clamping structure, and is characterized in that the driving structure, the first clamping structure and the second clamping structure are arranged, and the output end of a motor drives a rotating plate to rotate through a rotating shaft; a rotating plate drives a movable block to slide along a limiting rod through fourth connecting rods of a first transmission structure and a second transmission structure, and a second connecting rod drives a first connecting rod to rotate through a third connecting rod, so that the first connecting rod drives a sponge ring to rotate through a straight rod, and then a display screen can be clamped through the sponge ring; the effect that display screens with different lengths and widths can be centered and positioned conveniently is achieved, the structure is simple, manual positioning is not needed, and follow-up machining treatment is facilitated.

Description

Technical Field

[0001] The utility model relates to the field related to LCD display screens, and in particular to a positioning device based on LCD liquid crystal display screen processing. Background Art

[0002] With the continuous development of science and technology, there are more and more smart devices around us. Nowadays, smart devices generally have display screens. Liquid crystal displays are an active matrix liquid crystal display driven by thin film transistors. It mainly uses electric current to stimulate liquid crystal molecules to produce points, lines, and surfaces, and cooperates with the back light tube to form the picture.

[0003] Publication No. CN216979490U discloses a "positioning tooling for LCD display screen processing," which includes a tabletop, a pair of mirror-imaged right-angle positioning frames installed on both sides of the top of the tabletop, a vertical pole slidably installed on the tabletop between the pair of right-angle positioning frames, a limit plate fixed on the top of the vertical pole, a pressure plate fixed on one side of the limit plate for pressing the display screen, and ears provided on the sides of the right-angle positioning frames away from the vertical poles. Racks are fixed at both ends of the opposite sides of the two ears, and a gear column is installed above the tabletop between the two racks. The gear column and the racks are meshed with each other, which has the advantages of stable positioning and easy adjustment.

[0004] Although the above-mentioned positioning tooling based on LCD display processing has certain advantages in clamping ability, it has a complex structure and requires manual positioning, which is inconvenient to use. In addition, since the lengths and widths of different display screens are inconsistent, the centering effect cannot be achieved, which is not convenient for subsequent processing. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a positioning device based on LCD liquid crystal display screen processing.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a positioning device based on LCD liquid crystal display screen processing, comprising a rectangular plate, a support plate, a driving structure, a first clamping structure and a second clamping structure, the support plates are installed on the left and right sides of the lower end face of the rectangular plate, and the driving structure is provided on the lower side of the rectangular plate, and the left and right sides of the driving structure are respectively connected to the first clamping structure and the second clamping structure, the driving structure comprises a mounting plate, a connecting plate, a motor, a rotating plate, a first transmission structure and a second transmission structure, connecting plates are installed on the front and rear sides of the upper end face of the mounting plate, and a motor is installed in the middle of the lower end face of the mounting plate, the output end of the motor passes through the mounting plate and is connected to the rotating plate through a rotating shaft, the left and right sides of the rotating plate are respectively connected to the first transmission structure and the second transmission structure through a rotating shaft, and the upper end face of the connecting plate is fixedly connected to the rectangular plate.

[0007] Optionally, the structures of the first clamping structure and the second clamping structure are consistent, and the first clamping structure includes a first connecting rod, a straight rod and a sponge ring. The straight rod is installed at one end of the first connecting rod, and a sponge ring is mounted on the outside of the straight rod. The first connecting rod is connected to the first transmission structure through a rotating shaft.

[0008] Optionally, the first transmission structure includes a movable block, a second connecting rod, a third connecting rod, a limit rod, a first fixed block, a second fixed block and a fourth connecting rod, the movable block is rotatably connected to one end of the second connecting rod via a rotating shaft, the other end of the second connecting rod is rotatably connected to one end of the third connecting rod via a rotating shaft, the middle part of the movable block is penetrated by the limit rod, the left and right ends of the limit rod are fixedly connected to the first fixed block and the second fixed block respectively, the lower end face of the second fixed block is fixedly connected to the mounting plate, the upper end face of the movable block is rotatably connected to one end of the fourth connecting rod via a rotating shaft, and the other end of the first connecting rod is rotatably connected to the rotating plate via a rotating shaft.

[0009] Optionally, the first transmission structure and the second transmission structure have the same structure and are distributed in an array with the motor output end as the center.

[0010] Optionally, the third connecting rod is transmission-connected to the first connecting rod via a rotating shaft.

[0011] Optionally, the upper end surface of the first fixing block is fixedly connected to the rectangular plate.

[0012] Optionally, the outer wall of the limiting rod is smooth.

[0013] Beneficial effects of the utility model:

[0014] The utility model discloses a positioning device based on LCD liquid crystal display processing. By setting a driving structure, a first clamping structure and a second clamping structure, the output end of the motor drives the rotating plate to rotate through the rotating shaft, the rotating plate drives the movable block to slide along the limit rod through the fourth connecting rod of the first transmission structure and the second transmission structure, the second connecting rod drives the first connecting rod to rotate through the third connecting rod, so that the first connecting rod drives the sponge ring to rotate through the straight rod, and then the display screen can be clamped by the sponge ring, thereby achieving the effect of facilitating the centering of display screens of different lengths and widths. The utility model has a simple structure, does not require manual positioning, and is conducive to subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the drive structure of the utility model;

[0018] Figure 4 This is a top view of the drive structure of the utility model;

[0019] Figure 5 This is a three-dimensional schematic diagram of the first clamping structure of the utility model;

[0020] Figure 6 It is a top view of the first transmission structure of the utility model.

[0021] Among them: rectangular plate-1, support plate-2, drive structure-3, first clamping structure-4, second clamping structure-5, mounting plate-31, connecting plate-32, motor-33, rotating plate-34, first transmission structure-35, second transmission structure-36, first connecting rod-41, straight rod-42, sponge ring-43, movable block-351, second connecting rod-352, third connecting rod-353, limiting rod-354, first fixed block-355, second fixed block-356, fourth connecting rod-357. DETAILED DESCRIPTION

[0022] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0023] See also Figure 1-4 The utility model provides a positioning device based on LCD liquid crystal display processing, including a rectangular plate 1, a support plate 2, a driving structure 3, a first clamping structure 4 and a second clamping structure 5. The support plate 2 is installed on both sides of the lower end surface of the rectangular plate 1. The driving structure 3 is provided on the lower side of the rectangular plate 1. The left and right sides of the driving structure 3 are respectively connected to the first clamping structure 4 and the second clamping structure 5. The driving structure 3 includes a mounting plate 31, a connecting plate 32, a motor 33, a rotating plate 34, a first transmission structure 35 and a second transmission structure 36. Connecting plates 32 are installed on both the front and rear sides of the upper end surface of the plate 31, and a motor 33 is installed in the middle of the lower end surface of the mounting plate 31. The output end of the motor 33 passes through the mounting plate 31 and is connected to the rotating plate 34 through a rotating shaft. The left and right sides of the rotating plate 34 are respectively connected to the first transmission structure 35 and the second transmission structure 36 through the rotating shaft. The upper end surface of the connecting plate 32 is fixedly connected to the rectangular plate 1. The structures of the first transmission structure 35 and the second transmission structure 36 are consistent and are distributed in an array with the output end of the motor 33 as the center of the circle, so as to facilitate symmetrical force transmission and movement.

[0024] See also Figure 5The utility model provides a positioning device based on LCD liquid crystal display processing. The structures of the first clamping structure 4 and the second clamping structure 5 are consistent. The first clamping structure 4 includes a first connecting rod 41, a straight rod 42 and a sponge ring 43. The straight rod 42 is installed at one end of the first connecting rod 41, and the sponge ring 43 is sleeved on the outside of the straight rod 42. The first connecting rod 41 is connected to the first transmission structure 35 through a rotating shaft.

[0025] See also Figure 6 The present invention provides a positioning device based on LCD liquid crystal display processing. The first transmission structure 35 includes a movable block 351, a second connecting rod 352, a third connecting rod 353, a limiting rod 354, a first fixed block 355, a second fixed block 356 and a fourth connecting rod 357. The movable block 351 is rotatably connected to one end of the second connecting rod 352 through a rotating shaft, and the other end of the second connecting rod 352 is rotatably connected to one end of the third connecting rod 353 through a rotating shaft. The middle part of the movable block 351 is penetrated by the limiting rod 354, and the left and right ends of the limiting rod 354 are fixedly connected to the first fixed block 355 and the second fixed block 356 respectively. Then, the lower end face of the second fixed block 356 is fixedly connected to the mounting plate 31, the upper end face of the movable block 351 is rotatably connected to one end of the fourth connecting rod 357 through a rotating shaft, and the other end of the fourth connecting rod 357 is rotatably connected to the rotating plate 34 through a rotating shaft, and the third connecting rod 353 is transmission-connected to the first connecting rod 41 through the rotating shaft, which is conducive to driving the first connecting rod 41 to rotate through the third connecting rod 353, and the upper end face of the first fixed block 355 is fixedly connected to the rectangular plate 1, which is convenient for supporting and limiting the first fixed block 355, and the outer wall of the limiting rod 354 is smoothly set, which is conducive to reducing friction and facilitating the sliding of the movable block 351.

[0026] Here's how it works:

[0027] First, the new device is placed at the desired location and connected to the circuit;

[0028] Second, the display screen is placed in the middle of the upper end surface of the rectangular plate 1, and the motor 33 is controlled to operate. The output end of the motor 33 drives the rotating plate 34 to rotate via the rotating shaft. The rotating plate 34 drives the fourth connecting rod 357 of the first transmission structure 35 to drive the movable block 351 to move. The movable block 351 slides along the outer wall of the limiting rod 354. The movable block 351 drives the second connecting rod 352 to move. The second connecting rod 352 drives the third connecting rod 353 to rotate. The third connecting rod 353 drives the first connecting rod 41 to rotate.

[0029] Third, the first connecting rod 41 drives the straight rod 42 to move, and the straight rod 42 drives the sponge ring 43 to move. At the same time, the second transmission structure 36 moves according to the same principle, so that the sponge ring 43 clamps the display screen, achieving the effect of facilitating the centering of display screens of different lengths and widths. The structure is simple, no manual positioning is required, and it is conducive to subsequent processing.

[0030] The control method of the present invention is to manually start and stop the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field. Moreover, the present invention is mainly used to protect mechanical devices. Therefore, the control method and wiring arrangement are not explained in detail in the present invention.

[0031] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the control method and circuit connection are no longer explained in detail in the present invention.

[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A positioning device based on LCD display processing, characterized by: The invention comprises a rectangular plate (1), a support plate (2), a driving structure (3), a first clamping structure (4) and a second clamping structure (5), wherein the support plates (2) are installed on both the left and right sides of the lower end surface of the rectangular plate (1), and a driving structure (3) is provided on the lower side of the rectangular plate (1), and the left and right sides of the driving structure (3) are respectively connected to the first clamping structure (4) and the second clamping structure (5), and the driving structure (3) comprises a mounting plate (31), a connecting plate (32), a motor (33), a rotating plate (34), a first transmission plate (35), a first transmission plate (36), a first transmission plate (37), a first transmission plate (38), a first transmission plate (39), a first transmission plate (40), a first transmission plate (51), a first transmission plate (31), a first transmission plate (32), a first transmission plate (33), a first transmission plate (34), a first transmission plate (35), a first transmission plate (36), a first transmission plate (37), a first transmission plate (38), a first transmission plate (39), a first transmission plate (39), a first transmission plate (39), a first transmission plate (31), a first transmission plate (31), a first transmission plate (31), a first transmission plate (3 The mounting plate (31) is provided with a first transmission structure (35) and a second transmission structure (36). Connecting plates (32) are installed on both the front and rear sides of the upper end surface of the mounting plate (31). A motor (33) is installed in the middle of the lower end surface of the mounting plate (31). The output end of the motor (33) passes through the mounting plate (31) and is connected to the rotating plate (34) through a rotating shaft. The left and right sides of the rotating plate (34) are respectively connected to the first transmission structure (35) and the second transmission structure (36) through the rotating shaft. The upper end surface of the connecting plate (32) is fixedly connected to the rectangular plate (1).

2. The positioning device based on LCD display processing according to claim 1, characterized in that: The first clamping structure (4) and the second clamping structure (5) have the same structure. The first clamping structure (4) comprises a first connecting rod (41), a straight rod (42) and a sponge ring (43). One end of the first connecting rod (41) is equipped with the straight rod (42), and the outer side of the straight rod (42) is covered with a sponge ring (43). The first connecting rod (41) is connected to the first transmission structure (35) via a rotating shaft.

3. The positioning device based on LCD display processing according to claim 1, characterized in that: The first transmission structure (35) comprises a movable block (351), a second connecting rod (352), a third connecting rod (353), a limiting rod (354), a first fixed block (355), a second fixed block (356) and a fourth connecting rod (357), wherein the movable block (351) is rotatably connected to one end of the second connecting rod (352) via a rotating shaft, and the other end of the second connecting rod (352) is rotatably connected to one end of the third connecting rod (353) via a rotating shaft, and the movable block (351) is rotatably connected to one end of the third connecting rod (353) via a rotating shaft. The middle part of the movable block (351) is penetrated by a limiting rod (354), and the left and right ends of the limiting rod (354) are fixedly connected to the first fixed block (355) and the second fixed block (356) respectively. The lower end surface of the second fixed block (356) is fixedly connected to the mounting plate (31). The upper end surface of the movable block (351) is rotatably connected to one end of the fourth connecting rod (357) through a rotating shaft, and the other end of the fourth connecting rod (357) is rotatably connected to the rotating plate (34) through a rotating shaft.

4. The positioning device based on LCD display processing according to claim 1, characterized in that: The first transmission structure (35) and the second transmission structure (36) have the same structure and are arranged in an array with the output end of the motor (33) as the center.

5. The positioning device based on LCD display processing according to claim 3, characterized in that: The third connecting rod (353) is transmission-connected to the first connecting rod (41) via a rotating shaft.

6. The positioning device based on LCD display processing according to claim 3, characterized in that: The upper end surface of the first fixing block (355) is fixedly connected to the rectangular plate (1).

7. The positioning device based on LCD display processing according to claim 3, characterized in that: The outer wall of the limiting rod (354) is smoothly arranged.

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