Polishing equipment for liquid crystal display PC plate

Abstract

The utility model discloses liquid crystal display PC plate polishing equipment which comprises a support internally provided with an installation base, belt wheels rotationally installed at the two ends of the interior of a movable base respectively, a polishing belt arranged between the two belt wheels in a sleeved mode, a second motor arranged at the top of the movable base and used for driving one belt wheel to rotate, and a third motor arranged at the top of the movable base and used for driving the other belt wheel to rotate. A loading box with a loading opening formed in the top is arranged on one side of the mounting base, a top plate is located below the loading opening and arranged in the loading box, an electric telescopic column is arranged between the top plate and the bottom wall of the loading box, an air cylinder with a pressing plate fixedly installed at the movable end is arranged above the loading box, and the pressing plate is fixedly installed at the movable end of the air cylinder. And the pressing plate and the top plate are oppositely arranged up and down, and a plurality of elastic pieces are arranged between the movable seat and the inner wall of the support. According to the liquid crystal display PC board polishing equipment, on the basis that the position precision of an optical PC board is guaranteed, damage to the edge of the optical PC board is avoided, and the yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical PC board polishing technical field especially relates to a liquid crystal display PC board polishing equipment. BACKGROUND

[0002] With the development of liquid crystal industry, light guide plate has been widely used, and the light guide plate can be made by using optical PC board, and the main function of the light guide plate is to make the light source uniform by reflecting the light from the side after the LED light source is introduced and printing dots in the later period. In the processing of optical PC board, the most important processing technology is to polish the surface of the optical PC board.

[0003] Through the search, the patent with the patent publication number CN219685015U discloses a light guide plate polishing device, which comprises a base, a supporting frame fixedly connected to the upper side of the base, a clamping device fixedly connected to the middle part of the supporting frame, an upper polishing mechanism arranged above the clamping device, a lower polishing mechanism arranged below the clamping device, the upper polishing mechanism is fixedly connected to one end of an upper moving rod, the other end of the upper moving rod is fixedly connected to an upper moving block, the upper moving block is threadedly connected to an upper threaded lead screw, the top of the upper threaded lead screw is fixedly connected to the output end of an upper driving motor; the lower polishing mechanism is fixedly connected to one end of a lower moving rod, the other end of the lower moving rod is fixedly connected to a lower moving block, the lower moving block is threadedly connected to a lower threaded lead screw, the bottom of the lower threaded lead screw is fixedly connected to a first bevel gear, the first bevel gear is meshingly connected to a second bevel gear, and the second bevel gear is fixedly connected to the output end of a lower driving motor. The device can polish both sides of the light guide plate at the same time, reducing the polishing time and improving the polishing efficiency.

[0004] In the prior art, the optical PC board is generally clamped and fixed by a clamping device, so that the surface of the optical PC board can be polished, but the existing clamping device clamps and fixes the optical PC board, which causes the edge of the optical PC board to be easily damaged due to large pressure, affecting the subsequent use. SUMMARY

[0005] The utility model aims at providing a liquid crystal display PC board polishing equipment, which can avoid damage to the edge of the optical PC board on the basis of ensuring the position accuracy of the optical PC board, and is beneficial to improving the yield.

[0006] The utility model discloses a technical scheme for achieving the above-mentioned purposes is as follows: a kind of liquid crystal display PC board polishing equipment, comprising: the bracket with mounting seat is arranged inside, the top of the mounting seat is provided with the mobile seat with one side having opening, the both ends in the inside of this mobile seat are respectively rotatably installed with a pulley, and a polishing belt is sleeved between the two pulleys, the top of the mobile seat is provided with a second motor for driving one of the pulley to rotate;

[0007] The side of the mounting seat is provided with a loading box with a loading port opened in the top, a top plate is arranged in the inside of the loading box below the loading port, and an electric telescopic column is arranged between the top plate and the bottom wall of the loading box, a cylinder with a pressing plate fixedly installed at the movable end is arranged above the loading box, and the pressing plate and the top plate are oppositely arranged above and below.

[0008] The above-mentioned technical scheme is further improved as follows:

[0009] 1. In the above-mentioned scheme, a vacuum pump is installed on the top of the bracket, and a suction cup is arranged on the bottom of the pressing plate, the suction cup is connected with the vacuum pump through a hose, and a first motor is arranged on one side of the vacuum pump, the output end of the first motor penetrates through the bracket and is fixedly connected with the cylinder.

[0010] 2. In the above-mentioned scheme, a plurality of elastic members are arranged between the mobile seat and the inner wall of the bracket.

[0011] 3. In the above-mentioned scheme, the elastic members are equally spaced.

[0012] 4. In the above-mentioned scheme, a sliding groove is opened in the top of the mounting seat, and a sliding block embedded in the sliding groove is installed on the bottom of the mobile seat.

[0013] Due to the use of the above-mentioned technical scheme, the utility model has the following advantages compared with the prior art:

[0014] 1. The liquid crystal display PC board polishing equipment of the utility model has a top plate arranged in the inside of the loading box, an electric telescopic column arranged between the top plate and the bottom wall of the loading box, a cylinder with a pressing plate fixedly installed at the movable end arranged above the loading box, and the pressing plate and the top plate oppositely arranged above and below, the light guide plate on the top plate is driven to move up by the electric telescopic rod, and the pressing plate is driven to move down by the cylinder, so as to clamp and fix the optical PC board from top to bottom, improve the uniformity of force distribution, avoid the case that the local pressure is too large, and polish the optical PC board by the polishing belt, avoid damage to the edge of the optical PC board on the basis of ensuring the position accuracy of the optical PC board, which is beneficial to improve the yield and reduce unnecessary waste.

[0015] 2, The utility model discloses a liquid crystal display PC board polishing equipment, the top of its support installs a vacuum pump, and the bottom of the pressing plate is provided with a sucking disc, the sucking disc and the vacuum pump are connected through a hose communication, one side of the vacuum pump is provided with a first motor, the output of this first motor penetrates the support and is fixedly connected with the cylinder, when the side of polishing needs to be replaced, the light guide plate can also be sucked by the sucking disc, the electric telescopic rod is controlled to descend and makes the first motor drive the cylinder to rotate, the side of polishing is switched, the switching of polishing surface can be realized, thereby being favorable for improving the overall processing efficiency, and the labor intensity of personnel is also reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is overall structure schematic diagram of the utility model liquid crystal display PC board polishing equipment;

[0017] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is the A place enlarged view of the utility model; Figure 1

[0018] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is the local structure schematic of the utility model liquid crystal display PC board polishing equipment Figure 1

[0019] BRIEF DESCRIPTION OF DRAWINGS Figure 4 It is the local structure schematic of the utility model liquid crystal display PC board polishing equipment Figure 2

[0020] BRIEF DESCRIPTION OF DRAWINGS Figure 5 It is the exploded structure schematic diagram of the utility model liquid crystal display PC board polishing equipment in the material loading box.

[0021] In the above drawing: 1, support;2, mounting seat;3, hose;401, vacuum pump;402, first motor;403, cylinder;404, moving seat;405, sucking disc;406, pressing plate;407, antiskid strip;408, pulley;409, polishing belt;410, elastic piece;411, sliding slot;412, second motor;5, sliding block;6, material loading box;601, top plate;602, charging port;6021, rubber pad;603, electric telescopic column. DETAILED DESCRIPTION

[0022] The specific embodiments given below can further clearly understand the patent, but they are not the limitation of the patent.

[0023] ​​​Embodiment 1: a liquid crystal display PC plate polishing device, comprising: a support 1 internally provided with a mounting seat 2, the top of the mounting seat 2 is provided with a moving seat 404 with an opening on one side, both ends of the inside of the moving seat 404 are respectively rotatably provided with a pulley 408, and a polishing belt 409 is sleeved between the two pulleys 408, and the top of the moving seat 404 is provided with a second motor 412 for driving one of the pulleys 408 to rotate;

[0024] One side of the mounting seat 2 is provided with a loading box 6 with a loading port 602 opened at the top, a top plate 601 is arranged below the loading port 602 and in the inside of the loading box 6, and a motorized telescopic column 603 is arranged between the top plate 601 and the bottom wall of the loading box 6; an air cylinder 403 with a pressing plate 406 fixedly installed at the movable end is arranged above the loading box 6, and the pressing plate 406 is arranged opposite to the top plate 601.

[0025] The top of the support 1 is provided with a vacuum pump 401, and the bottom of the pressing plate 406 is provided with a suction disc 405, which is connected in communication with the vacuum pump 401 through a hose 3, and a first motor 402 is arranged on one side of the vacuum pump 401, and the output end of the first motor 402 penetrates the support 1 and is fixedly connected with the air cylinder 403.

[0026] A plurality of elastic members 410 are arranged between the moving seat 404 and the inner wall of the support 1.

[0027] The elastic members 410 are distributed at equal intervals.

[0028] A sliding groove 411 is opened at the top of the mounting seat 2, and a sliding block 5 embedded in the sliding groove 411 is mounted at the bottom of the moving seat 404.

[0029] A rubber pad 6021 is arranged on the circumferential inner wall of the loading port 602.

[0030] Embodiment 2: a liquid crystal display PC plate polishing device, comprising: a support 1 internally provided with a mounting seat 2, the top of the mounting seat 2 is provided with a moving seat 404 with an opening on one side, both ends of the inside of the moving seat 404 are respectively rotatably provided with a pulley 408, and a polishing belt 409 is sleeved between the two pulleys 408, and the top of the moving seat 404 is provided with a second motor 412 for driving one of the pulleys 408 to rotate;

[0031] The light guide plate on the top plate is driven to move up by the electric telescopic rod, and the pressing plate is driven to move down by the air cylinder, so that the optical PC plate is clamped and fixed from top to bottom, the uniformity of force distribution is improved, the case of excessive local pressure is avoided, and the optical PC plate edge is polished by the polishing belt, the position accuracy of the optical PC plate is ensured, the damage to the optical PC plate edge is avoided, the yield is improved, and unnecessary waste is reduced.

[0032] One side of the mounting seat 2 is provided with a loading box 6 with a loading port 602 opened in the top, a top plate 601 is arranged below the loading port 602 and in the interior of the loading box 6, and an electric telescopic column 603 is arranged between the top plate 601 and the bottom wall of the loading box 6; an air cylinder 403 with a movable end fixedly installed with a pressing plate 406 is arranged above the loading box 6, and the pressing plate 406 is arranged opposite to the top plate 601.

[0033] The top of the bracket 1 is provided with a vacuum pump 401, and the bottom of the pressing plate 406 is provided with a suction disc 405, which is connected in communication with the vacuum pump 401 through a hose 3. A first motor 402 is arranged on one side of the vacuum pump 401, and the output end of the first motor 402 penetrates the bracket 1 and is fixedly connected with the air cylinder 403.

[0034] The movable seat 404 and the inner wall of the bracket 1 are provided with a plurality of elastic members 410.

[0035] The elastic members 410 are distributed at equal intervals.

[0036] The top of the mounting seat 2 is provided with a sliding groove 411, and the bottom of the movable seat 404 is provided with a sliding block 5 embedded in the sliding groove 411.

[0037] The surface of the top plate 601 is provided with a plurality of anti-skid strips 407.

[0038] The working principle is as follows:

[0039] In use, the light guide plate to be processed is placed in the loading box, the electric telescopic column is controlled to push the top plate upwards, so that the light guide plate to be processed is moved upwards out of the range of the loading port, then the air cylinder and the vacuum pump are controlled to start, so that the pressing plate moves downwards to adhere to the surface of the light guide plate to be processed, and the light guide plate to be processed is clamped and positioned by the pressing plate and the top plate, and the vacuum adsorption, so as to realize the positioning of the light guide plate;

[0040] When the fixed light guide plate is polished around, after one side is polished, the air cylinder is controlled to drive the adsorbed light guide plate to move upwards by a distance, then the first motor is controlled to start, so that the suction disc carries the light guide plate to rotate by 45°, and the light guide plate is adjusted to be opposite to the polishing mechanism on the other side, and then the light guide plate is reset.

[0041] The mobile seat moves along the sliding groove through the sliding block under the elastic action of the elastic member, so that the polishing belt is tightly attached to one side of the fixed light guide plate, and at the same time, the second motor is controlled to start, so that the polishing belt is driven to rotate by the pulley, and then the side edge of the light guide plate is polished.

[0042] When the liquid crystal display PC plate polishing equipment is used, the uniformity of force distribution is improved, the situation that the local pressure is too large is avoided, and the polishing belt is used for polishing, on the basis of ensuring the position precision of the optical PC plate, damage to the edge of the optical PC plate is avoided, the yield is improved, and unnecessary waste is reduced.

[0043] In addition, when the polishing side needs to be replaced, the light guide plate can be sucked by the suction cup, the electric telescopic rod is controlled to descend, the first motor drives the cylinder to rotate, the polishing side is switched, the switching of the polishing surface can be realized, the overall processing efficiency is improved, and the labor intensity of personnel is reduced.

[0044] The above examples are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable people skilled in the art to understand the content of the utility model and to implement it, and it cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.

Claims

1. A polishing device for liquid crystal display PC sheets, characterized in that: Include: Support (1) internally provided with mounting seat (2), the top of mounting seat (2) is provided with a mobile seat (404) with opening on one side, the inside of mobile seat (404) is respectively provided with a pulley (408) at both ends, and a polishing belt (409) is sleeved between the two pulleys (408), the top of mobile seat (404) is provided with a second motor (412) for driving one of the pulleys (408) to rotate; The side of mounting seat (2) is provided with a loading box (6) with a loading port (602) opened at the top, a top plate (601) is arranged inside the loading box (6) below the loading port (602), and an electric telescopic column (603) is arranged between the top plate (601) and the bottom wall of the loading box (6); An air cylinder (403) with a movable end fixedly installed with a pressing plate (406) is arranged above the loading box (6), and the pressing plate (406) is arranged opposite to the top plate (601) up and down.

2. The liquid crystal display PC board polishing apparatus of claim 1, wherein: The top of support (1) is provided with a vacuum pump (401), and the bottom of pressing plate (406) is provided with a suction cup (405), which is communicated and connected with vacuum pump (401) through a hose (3), a first motor (402) is arranged on one side of vacuum pump (401), and the output end of first motor (402) penetrates support (1) and is fixedly connected with air cylinder (403).

3. The liquid crystal display PC board polishing apparatus of claim 1, wherein: The inner wall between mobile seat (404) and support (1) is provided with a plurality of elastic members (410).

4. The liquid crystal display PC board polishing apparatus of claim 3, wherein: The elastic members (410) are distributed at equal intervals.

5. The liquid crystal display PC board polishing apparatus of claim 1, wherein: The top of mounting seat (2) is provided with a sliding groove (411), and the bottom of mobile seat (404) is provided with a sliding block (5) embedded in the sliding groove (411).

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