Light guide plate positioning device

Abstract

The utility model discloses a light guide plate positioning device, which belongs to the technical field of light guide plate processing and comprises a base, vertical plates are symmetrically mounted on the top surface of the base, semicircular plates are respectively arranged on opposite side surfaces of the two vertical plates, and clamping plates for fixing a light guide plate are arranged on opposite side surfaces of the two semicircular plates. Rectangular blocks are fixedly installed on one side faces of the two clamping plates, sliding blocks are fixedly installed on the opposite side faces of the two rectangular blocks, sliding grooves are formed in the side faces, facing the semicircular plates, of the two sliding blocks, the two sliding grooves are in friction contact with the circumferential sides and one side faces of the two semicircular plates correspondingly, and one side face of one rectangular block is fixedly connected with a rectangular rod. Rectangular grooves matched with the rectangular rods are formed in one side face of the other rectangular block and one side face of the sliding block correspondingly, and the opposite side faces of the two clamping plates are rotationally connected with pin shafts correspondingly. According to the light guide plate positioning device, the problem that the light guide plate is inconvenient to turn over and process is solved, and the processing efficiency of the light guide plate is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of light guide plate processing, in particular to a light guide plate positioning device. Background Art

[0002] The main function of the light guide plate is to make the light source uniform after the LED light source is introduced from the side and reflected by the subsequent printing dots. In the processing process, the polishing of the outer surface of the light guide plate is very important, which affects the use effect of the light guide plate. Usually, a positioning device is used to fix the light guide plate for easy polishing. However, most of the current devices lack a flipping function, resulting in the need to disassemble and reassemble the light guide plate after polishing one side of the light guide plate before polishing the other side. This operation not only increases the workload of the staff, but also reduces the efficiency of polishing the light guide plate.

[0003] For example, the existing Chinese publication number is: CN217992448U, a positioning device for processing a light guide plate, which: "comprising a workbench, a positioning mechanism is arranged above the workbench, the positioning mechanism comprises two threaded rods, two support blocks, two fixed clamping plates, two movable clamping plates and two bearing seats, the two threaded rods and the two support blocks are symmetrically arranged above the top of the workbench."

[0004] It can be seen that the cited patent document has the problem that it is inconvenient to flip the light guide plate, thereby reducing the polishing efficiency. Utility Model Content

[0005] The utility model aims to provide a light guide plate positioning device to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a light guide plate positioning device, comprising a base, a top surface of the base is symmetrically installed with vertical plates, two vertical plates are respectively provided with semicircular plates on opposite sides, two semicircular plates are respectively provided with clamps on opposite sides for fixing the light guide plates, two clamps are fixedly installed with rectangular blocks on one side, two sliders are fixedly installed with opposite sides of the rectangular blocks, two sliders are provided with sliding grooves on one side facing the semicircular plates, the two sliding grooves are respectively in frictional contact with the circumferential side and one side of the two semicircular plates, one side of one of the rectangular blocks is fixedly connected with a rectangular rod, and one side of the other rectangular block and the slider are provided with rectangular grooves adapted to the rectangular rod.

[0007] Preferably, opposite side surfaces of the two clamping plates are rotatably connected with pins, and the free ends of the two pins are respectively fixedly connected to opposite side surfaces of the two semicircular plates.

[0008] Preferably, the rectangular groove is slidably connected to the rectangular rod, and one end of the rectangular rod passes through the rectangular groove and extends to one side of the sliding block.

[0009] Preferably, the two sliding blocks are both L-shaped, and the rectangular groove and the rectangular rod are respectively rhombus-shaped.

[0010] Preferably, a threaded hole is provided on one side surface of one of the sliding blocks and one side surface of one of the semicircular plates.

[0011] Preferably, bolts are threadedly connected to the two threaded holes on one side of the slider and one side of the semicircular plate.

[0012] Preferably, the two vertical plates are respectively arranged in a larger and a smaller form, and a cylinder is fixedly mounted on one side of the larger vertical plate, and a piston rod of the cylinder is fixedly connected to one of the semicircular plates.

[0013] Preferably, a fixing column is fixedly mounted on one side of the smaller vertical plate, and one side of the fixing column is fixedly connected to another semicircular plate.

[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0015] The light guide plate positioning device can allow the clamping block to rotate on one side of the semicircle through the setting of the pin shaft, and the setting of the rectangular rod and the rectangular groove can ensure that the two clamping blocks can rotate synchronously, thereby driving the light guide plate to turn over, avoiding the need to disassemble and reassemble the light guide plate when processing it, and improving the efficiency of light guide plate processing.

[0016] The position of the slider after turning over can be fixed by setting the threaded holes and bolts, and the position of the slider and the rectangular block can be restricted by setting the pads. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the rectangular block and the slider of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the cylinder and the fixed column of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the clamping plate and the groove of the utility model.

[0022] Description of reference numerals:

[0023] In the figure: 1, base; 2, vertical plate; 3, semicircular plate; 4, clamping plate; 5, rectangular block; 6, slider; 7, slide groove; 8, rectangular rod; 9, rectangular groove; 10, pin shaft; 11, threaded hole; 12, bolt; 13, cylinder; 14, fixing column; 15, pad; 16, groove. DETAILED DESCRIPTION

[0024] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0025] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0026] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0027] like Figures 1 to 4 The light guide plate positioning device shown in the figure includes a base 1, the bottom surface of the base 1 can be installed with four supporting legs to raise the height of the base 1, and the top surface of the base 1 is symmetrically installed with vertical plates 2, and the two vertical plates 2 are respectively arranged in a large and a small manner, and the opposite sides of the two vertical plates 2 are respectively provided with semicircular plates 3, and the opposite sides of the two semicircular plates 3 are provided with clamps 4 for fixing the light guide plates, and the opposite sides of the two clamps 4 are provided with grooves 16, so that the light guide plate can be clamped and fixed against the inner walls of both sides of the groove 16, and a cylinder 13 is fixedly installed on one side of the larger vertical plate 2, and the piston rod of the cylinder 13 is fixedly connected to one of the semicircular plates 3, and a fixing column 14 is fixedly installed on one side of the smaller vertical plate 2, and one side of the fixing column 14 is fixedly connected to the other semicircular plate 3. After the light guide plate is placed between the two clamps 4, the cylinder 13 is turned on to allow the cylinder 13 to drive the semicircular plate 3 and the clamp 4 to move, so that the distance between the two clamps 4 can be changed, thereby clamping and fixing light guide plates of different lengths.

[0028] The opposite sides of the two clamps 4 are rotatably connected with pins 10, and the free ends of the two pins 10 are fixedly connected to the opposite sides of the two semicircular plates 3 respectively. The two clamps 4 can rotate around the pins 10 as the axis, thereby driving the light guide plate to rotate, which is convenient for the flipping processing of the light guide plate.

[0029] A rectangular block 5 is fixedly installed on one side of the two clamps 4, and a slider 6 is fixedly installed on the opposite side of the two rectangular blocks 5. A slide groove 7 is provided on the side of the two sliders 6 facing the semicircular plate 3. The two slide grooves 7 are in friction contact with the peripheral side and one side of the two semicircular plates 3 respectively. When the clamp 4 rotates with the pin shaft 10 as the axis, the clamp 4 will drive the rectangular block 5 and the slider 6 to rotate synchronously with the pin shaft 10 as the axis. Due to the setting of the slide groove 7 on one side of the slider 6, the slider 6 will slide against the outer wall of the semicircular plate 3 when it moves. A rectangular rod 8 is fixedly connected to one side of one of the rectangular blocks 5, and a rectangular groove 9 adapted to the rectangular rod 8 is provided on one side of the other rectangular block 5 and the slider 6. The rectangular groove 9 is slidably connected to the rectangular rod 8. One end of the rectangular rod 8 passes through the rectangular groove 9 and extends to one side of the slider 6. The sliders 6 are all L-shaped, and the rectangular grooves 9 and the rectangular rods 8 are respectively diamond-shaped. One end of the rectangular rod 8 passes through the rectangular block 5 and the slider 6 and is fixedly connected with a handle. The staff holds the handle and lifts it, and the handle can drive the two rectangular blocks 5 and the slider 6 to move through the rectangular rod 8 and the rectangular groove 9. Due to the setting of the pin 10, the movement of the rectangular rod 8 will also rotate around the pin 10, so that the rectangular rod 8 can synchronously drive the two rectangular blocks 5 and the two sliders 6 to move, and then synchronously drive the two splints 4 to rotate, and when the rectangular block 5 and the slider 6 move from one side of the semicircular plate 3 to the other side, it can drive the splint 4 to rotate one hundred and eighty degrees, thereby completing the turning over of the light guide plate, facilitating subsequent processing, avoiding the need to disassemble and reassemble the light guide plate during processing, and improving the efficiency of light guide plate processing.

[0030] Due to the setting of the rectangular groove 9, when the cylinder 13 drives the rectangular block 5 and the slider 6 to move through the semicircular plate 3 and the clamping plate 4, the rectangular block 5 and the slider 6 will move around the rectangular rod 8 through the rectangular groove 9 and will not affect each other.

[0031] A threaded hole 11 is provided on one side of one of the sliders 6 and on one side of one of the semicircular plates 3. Bolts 12 are threadedly connected to the two threaded holes 11 on one side of the slider 6 and one side of the semicircular plate 3. When the rectangular block 5 and the slider 6 drive the splint 4 to complete the flipping, the threaded hole 11 on the side of the slider 6 will be aligned with the threaded hole 11 on the side of the semicircular plate 3. At this time, the bolt 12 is inserted into the two aligned threaded holes 11 to fix the position of the splint 4 after flipping. The other semicircular plate 3 and the slider 6 can also be provided with threaded holes 11 and bolts 12, which can improve the fixing effect.

[0032] L-shaped pads 15 are installed on the bottom surfaces of the two semicircular plates 3. The pads 15 can limit the positions of the rectangular block 5 and the slider 6 to prevent the rectangular block 5 and the slider 6 from detaching from the semicircular plates 3 during rotation.

[0033] Working principle:

[0034] The light guide plate positioning device places the light guide plate between the two clamping plates 4 and turns on the cylinder 13. The cylinder 13 drives one of the semicircular plates 3 and the clamping plate 4 to move, so that the distance between the two clamping plates 4 is adapted to the light guide plate to be processed, so that the two clamping plates 4 fix the light guide plate through the groove 16, which is convenient for subsequent processing. When it is necessary to turn over the surface for processing, the staff holds the handle and moves the handle upward so that the handle can drive the two sliders 6 and the two rectangular blocks 5 to move through the rectangular rod 8 and the rectangular groove 9. Since the two clamping plates 4 are connected to the light guide plate through the pin 10 The semicircular plate 3 is rotatably connected so that when the two rectangular blocks 5 drive the two clamping plates 4 to move respectively, the clamping plate 4 will rotate with the axis center of the pin shaft 10 as the origin, and the slider 6 will rotate in contact with the outer wall of the semicircular plate 3 through the slide groove 7. When the rectangular block 5 and the slider 6 are moved from one side of the semicircular plate 3 to the other side, the flipping of the light guide plate can be completed, and the bolt 12 can be inserted into the overlapping threaded hole 11 to fix the position of the light guide plate, so that the flipping process can be carried out, avoiding the need to disassemble and reassemble the light guide plate during processing, thereby improving the efficiency of light guide plate processing.

[0035] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A light guide plate positioning device, comprising a base (1), characterized in that: The top surface of the base (1) is symmetrically mounted with vertical plates (2), and the opposite sides of the two vertical plates (2) are respectively provided with semicircular plates (3), and the opposite sides of the two semicircular plates (3) are each provided with a clamping plate (4) for fixing the light guide plate, and one side of the two clamping plates (4) is fixedly mounted with a rectangular block (5), and the opposite side of the two rectangular blocks (5) is fixedly mounted with a slider (6), and the two sliders (6) are each provided with a sliding groove (7) on the side facing the semicircular plate (3), and the two sliding grooves (7) are respectively in frictional contact with the peripheral side and one side of the two semicircular plates (3), and one side of one of the rectangular blocks (5) is fixedly connected with a rectangular rod (8), and one side of the other rectangular block (5) and the slider (6) are each provided with a rectangular groove (9) adapted to the rectangular rod (8).

2. A light guide plate positioning device according to claim 1, characterized in that: The opposite side surfaces of the two clamping plates (4) are both rotatably connected with pin shafts (10), and the free ends of the two pin shafts (10) are respectively fixedly connected to the opposite side surfaces of the two semicircular plates (3).

3. The light guide plate positioning device according to claim 1, characterized in that: The rectangular groove (9) is slidably connected to the rectangular rod (8), and one end of the rectangular rod (8) passes through the rectangular groove (9) and extends to one side of the slider (6).

4. The light guide plate positioning device according to claim 1, characterized in that: The two sliding blocks (6) are both L-shaped, and the rectangular groove (9) and the rectangular rod (8) are respectively rhombus-shaped.

5. The light guide plate positioning device according to claim 1, characterized in that: A threaded hole (11) is provided on one side of one of the sliding blocks (6) and one side of one of the semicircular plates (3).

6. A light guide plate positioning device according to claim 5, characterized in that: Two threaded holes (11) on one side of the slider (6) aligned with one side of the semicircular plate (3) are internally threadedly connected with bolts (12).

7. The light guide plate positioning device according to claim 1, characterized in that: The two vertical plates (2) are respectively arranged in a larger and a smaller form, and a cylinder (13) is fixedly mounted on one side of the larger vertical plate (2), and a piston rod of the cylinder (13) is fixedly connected to one of the semicircular plates (3).

8. A light guide plate positioning device according to claim 7, characterized in that: A fixing column (14) is fixedly mounted on one side of the smaller vertical plate (2), and one side of the fixing column (14) is fixedly connected to another semicircular plate (3).

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