Optical acrylic plate polishing machine

Abstract

The invention discloses an optical acrylic plate polishing machine which comprises a support internally provided with a mounting base, a movable base arranged at the top of the mounting base and provided with an opening in one side edge, a polishing belt arranged between two belt wheels in a sleeving mode, and a top plate located below a charging opening and arranged in a material carrying box. An electric telescopic column is arranged between the top plate and the bottom wall of the material carrying box, an air cylinder is arranged above the material carrying box, a pressing plate is fixedly installed at the movable end of the air cylinder, a vacuum pump is installed at the top of the support, a suction cup is arranged at the bottom of the pressing plate, and the suction cup is communicated with the vacuum pump through a first hose. And a first motor is arranged on one side of the vacuum pump. According to the optical acrylic plate polishing machine, the position precision of a light guide plate is improved, the situation of position deviation of the light guide plate is greatly reduced, the polishing effect is improved, switching of the polishing face can be achieved, and therefore the overall machining efficiency can be improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] This invention relates to the field of optical acrylic plate polishing technology, and more particularly to an optical acrylic plate polishing machine. Background Technology

[0002] Light guide plates can be made by using laser engraving, V-shaped cross grid engraving, and UV screen printing technology to print light guide points on the bottom surface of optical-grade acrylic sheets. With the development of the LCD industry, light guide plates have been widely used and have become an indispensable part of LCD modules. After the light guide plate is processed, it generally needs to be polished.

[0003] A search revealed patent CN209664994U, which discloses "a device for polishing the side edges of a circular light guide plate." The device includes a base and a main body. A through groove is located in the center of the top of the base, through which a buffer plate passes. The main body is located at the upper end of the buffer plate, and a limiting plate is located at the lower end. The left and right ends of the limiting plate are slidably connected to the inner wall of the base. This device achieves shock absorption during use, effectively reducing and absorbing vibrations generated during operation, thereby extending the device's lifespan, increasing its efficiency, and enhancing its practicality. Furthermore, the device is simple, novel, rationally designed, and easy to use, possessing strong practicality.

[0004] In existing technologies, light guide plates are typically clamped and fixed using a clamping device, which allows for the grinding and polishing of the sides of the light guide plate. However, this requires personnel to adjust the polishing sides of the light guide plate during the grinding process. This adjustment and fixing process can easily cause the position of the light guide plate to shift, thereby affecting the polishing effect and resulting in poor processing efficiency of the device. Summary of the Invention

[0005] The purpose of this invention is to provide an optical acrylic plate polishing machine, which improves the positional accuracy of the light guide plate, greatly reduces the positional deviation of the light guide plate, and can realize automatic switching of the polishing surface, thereby improving the overall processing efficiency and reducing the labor intensity of personnel.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: an optical acrylic plate polishing machine, comprising: a bracket with an internal mounting base, a movable seat with an opening on one side on the top of the mounting base, a pulley rotatably mounted at both ends inside the movable seat, and a polishing belt sleeved between the two pulleys, and a second motor for driving one of the pulleys to rotate on the top of the movable seat. A material container with a loading port on the top is provided on one side of the mounting base. A top plate is provided below the loading port and inside the material container. An electric telescopic column is provided between the top plate and the bottom wall of the material container. A cylinder with a pressure plate fixedly installed at its movable end is provided above the material container. The pressure plate and the top plate are arranged vertically opposite each other. A vacuum pump is installed on the top of the bracket. A suction cup is provided at the bottom of the pressure plate. The suction cup and the vacuum pump are connected through a first flexible hose. A first motor is provided on one side of the vacuum pump. The output end of the first motor passes through the bracket and is fixedly connected to the cylinder.

[0007] The following are further improvements to the above technical solution: 1. In the above scheme, a sealed box with an air suction nozzle is provided on the top side of the movable seat near the material box. A shell with an inlet and an outlet is provided on one side of the sealed box. The inlet and outlet are spaced apart along the circumference of the shell, and the inlet and the sealed box are connected by a second flexible tube. An impeller is provided inside the shell.

[0008] 2. In the above scheme, a fixed seat with a bevel gear set inside is provided on one side of the outer casing, and the other pulley is fixedly connected to the input end of the bevel gear set through a transmission shaft. The output end of this bevel gear set can pass through the fixed seat, the outer casing and the drive shaft of the impeller and be fixedly connected.

[0009] 3. In the above scheme, a collection box is provided below the support, and the collection box is connected to the outlet through a third flexible hose.

[0010] 4. In the above scheme, the collection box is equipped with a material gate.

[0011] 5. In the above scheme, a number of elastic elements are provided between the movable seat and the inner wall of the bracket.

[0012] 6. In the above scheme, the elastic elements are distributed at equal intervals.

[0013] 7. In the above solution, a groove is provided on the top of the mounting base, and a slider embedded in the groove is installed at the bottom of the movable base.

[0014] 8. In the above scheme, a rubber pad is provided on the circumferential inner wall of the loading port.

[0015] 9. In the above scheme, the surface of the top plate is provided with a number of anti-slip strips.

[0016] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: 1. The optical acrylic plate polishing machine of the present invention has an electric telescopic column between its top plate and the bottom wall of the material box. A cylinder with a pressure plate fixedly installed at its movable end is located above the material box, and the pressure plate is arranged opposite to the top plate. A vacuum pump is installed at the top of the bracket, and a suction cup is installed at the bottom of the pressure plate. The suction cup and the vacuum pump are connected through a first flexible tube. A first motor is located on one side of the vacuum pump. The electric telescopic column drives the light guide plate on the top plate to move up, while the cylinder drives the pressure plate to move down, thereby clamping and fixing the light guide plate. The light guide plate is then polished by a polishing belt, which greatly improves the positional accuracy of the light guide plate. When it is necessary to change the polishing side, the light guide plate can be attracted by the suction cup. After the electric telescopic column is lowered, the first motor drives the cylinder to rotate, switching the polishing side. This not only improves the positional accuracy of the light guide plate and greatly reduces the positional deviation of the light guide plate, but also improves the polishing effect and realizes automatic switching of the polished surface, thereby improving the overall processing efficiency and reducing the labor intensity of personnel.

[0017] 2. The optical acrylic plate polishing machine of the present invention has a sealed box with an air suction nozzle located on the top of the moving base near the material box. On one side of this sealed box, there is a shell with an inlet and an outlet. The inlet and outlet are spaced apart along the circumference of the shell, and the inlet and the sealed box are connected by a second flexible tube. An impeller is installed inside the shell. The rotation of the impeller creates a negative pressure at the inlet. While the polishing belt is polishing the light guide plate, the generated dust is sucked in through the air suction nozzle, the sealed box and the second flexible tube and discharged through the outlet of the shell. This greatly reduces the dust dispersion during the polishing process, which is beneficial to improving the processing environment and reducing the impact on personnel. Attached Figure Description

[0018] Appendix Figure 1 This is a schematic diagram of the overall structure of the optical acrylic plate polishing machine of the present invention; Appendix Figure 2 This is a partial structural diagram of the optical acrylic plate polishing machine of the present invention. Figure 1 ; Appendix Figure 3 This is a schematic diagram of the moving base in the optical acrylic plate polishing machine of the present invention; Appendix Figure 4 This is a partial structural diagram of the optical acrylic plate polishing machine of the present invention. Figure 2 ; Appendix Figure 5 This is a schematic diagram of the outer shell of the optical acrylic plate polishing machine of the present invention; Appendix Figure 6 This is an exploded structural diagram of the material carrier box in the optical acrylic plate polishing machine of the present invention.

[0019] In the attached diagrams: 1. Bracket; 2. Mounting base; 3. Weight reduction hole; 401. Vacuum pump; 402. First motor; 403. Cylinder; 404. Moving base; 405. Suction cup; 406. Pressure plate; 407. Collection box; 4071. Material gate; 408. Fixed base; 4081. Bevel gear set; 409. Outer shell; 4091. Outlet hole; 4092. Inlet hole; 4093. Impeller; 410. Elastic element; 411. Slide groove; 412. Second motor; 413. Sealing box; 4131. Suction nozzle; 5. Slider; 6. Material box; 601. Top plate; 602. Loading port; 6021. Rubber pad; 603. Electric telescopic column; 7. First hose; 8. Second hose; 9. Third hose; 10. Drive shaft; 11. Anti-slip strip; 12. Pulley; 13. Polishing belt. Detailed Implementation

[0020] The present patent can be further understood through the specific embodiments given below, but they are not intended to limit the present patent.

[0021] Example 1: An optical acrylic plate polishing machine includes: a bracket 1 with an internal mounting base 2, a movable seat 404 with an opening on one side on the top of the mounting base 2, a pulley 12 rotatably mounted at both ends inside the movable seat 404, and a polishing belt 13 sleeved between the two pulleys 12; a second motor 412 for driving one of the pulleys 12 to rotate is provided on the top of the movable seat 404. A material container 6 with a loading port 602 at the top is provided on one side of the mounting base 2. A top plate 601 is provided below the loading port 602 and inside the material container 6. An electric telescopic column 603 is provided between the top plate 601 and the bottom wall of the material container 6. A cylinder 403 with a pressure plate 406 fixedly installed at its movable end is provided above the material container 6. The pressure plate 406 and the top plate 601 are arranged opposite each other. A vacuum pump 401 is installed on the top of the bracket 1. A suction cup 405 is provided at the bottom of the pressure plate 406. The suction cup 405 and the vacuum pump 401 are connected through a first flexible hose 7. A first motor 402 is provided on one side of the vacuum pump 401. The output end of the first motor 402 passes through the bracket 1 and is fixedly connected to the cylinder 403. The light guide plate to be processed is placed in the material box. The electric telescopic column pushes the top plate, thereby moving the light guide plate away from the loading port. Then, the cylinder and vacuum pump are started, causing the pressure plate to move down and adhere to the surface of the light guide plate, adsorbing it. The upper and lower clamping of the pressure plate and top plate, as well as vacuum adsorption positioning, are used to firmly position the light guide plate. When polishing the fixed light guide plate around its perimeter, after one side is polished, the cylinder is controlled to move the adsorbed light guide plate up a certain distance. Then, the first motor is started, causing the suction cup to rotate the light guide plate 45°. The other side of the light guide plate is then adjusted to face the polishing mechanism and reset.

[0022] A sealing box 413 with an air intake 4131 is provided on the top side of the movable seat 404 near the material box 6. On one side of the sealing box 413, a housing 409 with an inlet hole 4092 and an outlet hole 4091 is provided. The inlet hole 4092 and the outlet hole 4091 are spaced apart along the circumference of the housing 409. The inlet hole 4092 and the sealing box 413 are connected by a second flexible hose 8. An impeller 4093 is provided inside the housing 409. The bevel gear set also rotates under the drive of the pulley, and drives the impeller to rotate through the meshing of each other. When the impeller rotates, it will create negative pressure in the inlet hole to draw in air. The air is continuously drawn in through the second hose, which can then draw in the waste generated during polishing through the air nozzle into the outer casing. Carried by the impeller, the waste rotates more than half a circle and then discharges out through the outlet hole. Finally, the waste is collected in the collection box through the third hose. It can be cleaned by opening the material door later.

[0023] A fixed base 408 containing a bevel gear set 4081 is provided on one side of the aforementioned housing 409. Another pulley 12 is fixedly connected to the input end of the bevel gear set 4081 via a transmission shaft 10. The output end of the bevel gear set 4081 can pass through the fixed base 408, the housing 409 and the drive shaft of the impeller 4093 and be fixedly connected.

[0024] A collection box 407 is provided below the support 1, and the collection box 407 is connected to the outlet 4091 through a third flexible hose 9.

[0025] The aforementioned collection box 407 is equipped with a material gate 4071.

[0026] A plurality of elastic elements 410 are provided between the aforementioned movable seat 404 and the inner wall of the bracket 1; the aforementioned elastic elements 410 are evenly distributed.

[0027] The top of the mounting base 2 is provided with a groove 411, and the bottom of the movable base 404 is provided with a slider 5 that is embedded in the groove 411. The movable seat moves along the slide groove via the slider under the elastic action of the elastic element, so that the polishing belt fits tightly against one side of the fixed light guide plate. At the same time, the second motor is started, so that the pulley drives the polishing belt to rotate, thereby polishing one side edge of the light guide plate.

[0028] A rubber pad 6021 is provided on the circumferential inner wall of the aforementioned loading port 602.

[0029] The surface of the top plate 601 is provided with several anti-slip strips 11.

[0030] Example 2: An optical acrylic plate polishing machine includes: a bracket 1 with an internal mounting base 2, a movable seat 404 with an opening on one side on the top of the mounting base 2, a pulley 12 rotatably mounted at both ends inside the movable seat 404, and a polishing belt 13 sleeved between the two pulleys 12; a second motor 412 for driving one of the pulleys 12 to rotate is provided on the top of the movable seat 404. A material container 6 with a loading port 602 at the top is provided on one side of the mounting base 2. A top plate 601 is provided below the loading port 602 and inside the material container 6. An electric telescopic column 603 is provided between the top plate 601 and the bottom wall of the material container 6. A cylinder 403 with a pressure plate 406 fixedly installed at its movable end is provided above the material container 6. The pressure plate 406 and the top plate 601 are arranged opposite each other. A vacuum pump 401 is installed on the top of the bracket 1. A suction cup 405 is provided at the bottom of the pressure plate 406. The suction cup 405 and the vacuum pump 401 are connected through a first flexible hose 7. A first motor 402 is provided on one side of the vacuum pump 401. The output end of the first motor 402 passes through the bracket 1 and is fixedly connected to the cylinder 403. The light guide plate on the top plate is moved upward by an electric telescopic rod, while the pressure plate is moved downward by a cylinder, thus clamping and fixing the light guide plate. It is then polished by a polishing belt, which greatly improves the positional accuracy of the light guide plate. When it is necessary to change the polishing side, the light guide plate can be attracted by a suction cup. After the electric telescopic rod is lowered, the first motor drives the cylinder to rotate, switching the polishing side. This not only improves the positional accuracy of the light guide plate and greatly reduces the occurrence of positional deviation, but also improves the polishing effect. It can also realize the automatic switching of polished surfaces, thereby improving the overall processing efficiency and reducing the labor intensity of personnel.

[0031] A sealing box 413 with an air intake 4131 is provided on the top side of the movable seat 404 near the material box 6. On one side of the sealing box 413, a housing 409 with an inlet hole 4092 and an outlet hole 4091 is provided. The inlet hole 4092 and the outlet hole 4091 are spaced apart along the circumference of the housing 409. The inlet hole 4092 and the sealing box 413 are connected by a second flexible hose 8. An impeller 4093 is provided inside the housing 409. By creating negative pressure at the inlet by the impeller rotation, the dust generated can be drawn in through the suction nozzle, sealing box and second hose while the polishing belt polishes the light guide plate, and discharged through the outlet of the outer shell. This greatly reduces the dust dispersion during the polishing process, which helps to improve the processing environment and reduce the impact on personnel.

[0032] A fixed base 408 containing a bevel gear set 4081 is provided on one side of the aforementioned housing 409. Another pulley 12 is fixedly connected to the input end of the bevel gear set 4081 via a transmission shaft 10. The output end of the bevel gear set 4081 can pass through the fixed base 408, the housing 409 and the drive shaft of the impeller 4093 and be fixedly connected.

[0033] A collection box 407 is provided below the support 1, and the collection box 407 is connected to the outlet 4091 through a third flexible hose 9.

[0034] Several elastic elements 410 are provided between the aforementioned movable seat 404 and the inner wall of the bracket 1.

[0035] A rubber pad 6021 is provided on the circumferential inner wall of the aforementioned loading port 602.

[0036] The surface of the top plate 601 is provided with several anti-slip strips 11.

[0037] The aforementioned air intake 4131 is located above the aforementioned polishing belt 13.

[0038] The top of the aforementioned bracket 1 is provided with a weight-reducing hole 3.

[0039] The working principle is as follows: In use, place the light guide plate to be processed in the material box, control the electric telescopic column to push the top plate, thereby moving the light guide plate to be processed away from the loading port range. Then control the cylinder and vacuum pump to start, so that the pressure plate moves down to fit the surface of the light guide plate to be processed and adsorbs it. By using the upper and lower clamping of the pressure plate and the top plate, as well as vacuum adsorption positioning, the light guide plate is firmly positioned. When polishing the fixed light guide plate around its perimeter, after polishing one side is finished, the control cylinder moves the adsorbed light guide plate a certain distance, and then the first motor is started, causing the suction cup to rotate the light guide plate 45°. After adjusting the other side of the light guide plate to face the polishing mechanism, it is reset. The movable seat moves along the slide groove by the slider under the elastic action of the elastic element, so that the polishing belt is tightly attached to one side of the fixed light guide plate. At the same time, the second motor is started, so that the pulley drives the polishing belt to rotate, thereby polishing one side edge of the light guide plate. The bevel gear set also rotates under the drive of the pulley, and drives the impeller to rotate through the meshing of each other. When the impeller rotates, it will create negative pressure in the inlet to draw in air. The air is continuously drawn in through the second hose, which can then draw in the waste generated during polishing through the air nozzle into the outer casing. Carried by the impeller, the waste rotates more than half a circle and then discharges out through the outlet. Finally, the waste is collected in the collection box through the third hose. It can be cleaned by opening the material door later.

[0040] When using the aforementioned optical acrylic plate polishing machine, the light guide plate on the top plate is moved up by an electric telescopic rod, while the cylinder moves the pressure plate down, thereby clamping and fixing the light guide plate. The light guide plate is then polished by a polishing belt, which greatly improves the positional accuracy of the light guide plate. When it is necessary to change the polishing side, the light guide plate can be attracted by a suction cup. After the electric telescopic rod is lowered, the first motor drives the cylinder to rotate, switching the polishing side. This not only improves the positional accuracy of the light guide plate and greatly reduces the positional deviation of the light guide plate, thus improving the polishing effect, but also enables the switching of polished surfaces, thereby improving the overall processing efficiency and reducing the labor intensity of personnel. Furthermore, by rotating the impeller to create negative pressure at the inlet, the dust generated during the polishing of the light guide plate can be drawn in through the suction nozzle, sealing box, and second hose, and discharged through the outlet of the outer shell. This greatly reduces the dust dispersion during the polishing process, which helps to improve the processing environment and reduce the impact on personnel.

[0041] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An optical acrylic plate polishing machine, characterized in that: include: A bracket (1) with an internal mounting base (2) is provided. The top of the mounting base (2) is provided with a movable base (404) with an opening on one side. A pulley (12) is rotatably mounted at both ends inside the movable base (404), and a polishing belt (13) is sleeved between the two pulleys (12). A second motor (412) for driving one of the pulleys (12) to rotate is provided on the top of the movable base (404). A material container (6) with a loading port (602) on the top is provided on one side of the mounting base (2). A top plate (601) is provided below the loading port (602) and inside the material container (6). An electric telescopic column (603) is provided between the top plate (601) and the bottom wall of the material container (6). A cylinder (403) with a pressure plate (406) fixedly installed on its movable end is provided above the material container (6). The bracket (1) is arranged opposite to the top plate (601) on the top and bottom. A vacuum pump (401) is installed on the top of the bracket (1), and a suction cup (405) is provided at the bottom of the pressure plate (406). The suction cup (405) is connected to the vacuum pump (401) through a first hose (7). A first motor (402) is provided on one side of the vacuum pump (401). The output end of the first motor (402) passes through the bracket (1) and is fixedly connected to the cylinder (403).

2. The optical acrylic plate polishing machine according to claim 1, characterized in that: A sealing box (413) with an air intake (4131) is provided on the top side of the movable seat (404) near the material box (6). On one side of the sealing box (413), there is a shell (409) with an inlet (4092) and an outlet (4091). The inlet (4092) and the outlet (4091) are spaced apart along the circumference of the shell (409), and the inlet (4092) and the sealing box (413) are connected by a second flexible hose (8). An impeller (4093) is provided inside the shell (409).

3. The optical acrylic plate polishing machine according to claim 2, characterized in that: A fixed seat (408) with a bevel gear set (4081) is provided on one side of the housing (409). Another pulley (12) is fixedly connected to the input end of the bevel gear set (4081) through a transmission shaft (10). The output end of the bevel gear set (4081) can pass through the fixed seat (408), the housing (409) and the drive shaft of the impeller (4093) and be fixedly connected.

4. The optical acrylic plate polishing machine according to claim 2, characterized in that: A collection box (407) is provided below the support (1), and the collection box (407) is connected to the outlet (4091) through a third flexible hose (9).

5. The optical acrylic plate polishing machine according to claim 4, characterized in that: The collection box (407) is equipped with a material gate (4071).

6. The optical acrylic plate polishing machine according to claim 1 or 3, characterized in that: A plurality of elastic elements (410) are provided between the movable seat (404) and the inner wall of the bracket (1).

7. The optical acrylic plate polishing machine according to claim 6, characterized in that: The elastic elements (410) are evenly distributed.

8. The optical acrylic plate polishing machine according to claim 1, characterized in that: The top of the mounting base (2) has a groove (411), and the bottom of the movable base (404) is fitted with a slider (5) that is embedded in the groove (411).

9. The optical acrylic plate polishing machine according to claim 1, characterized in that: A rubber pad (6021) is provided on the circumferential inner wall of the loading port (602).

10. The optical acrylic plate polishing machine according to claim 1, characterized in that: The top plate (601) has a number of anti-slip strips (11) on its surface.

Images