Optical glass cover plate polishing equipment

Abstract

The utility model discloses optical glass cover plate polishing equipment which comprises a base, a lower polishing table is installed on the base, and a first through hole is formed in the middle of the lower polishing table. The lower part of the base is provided with a motor through a lifting mechanism; the lifting mechanism realizes lifting control on the motor; a glass cover plate frame is fixed to the top end of an output shaft of the motor and provided with a plurality of glass cover plate containing holes. A telescopic cylinder is mounted on the top plate, a piston rod of the telescopic cylinder is fixedly connected with an upper polishing table through a connecting frame, a second through hole is formed in the middle of the upper polishing table, and a liquid adding opening is formed in the upper polishing table; during polishing, the glass cover plate frame drives the optical glass cover plate to rotate, contact and rub with the upper polishing table and the lower polishing table, double-sided polishing is carried out, and the efficiency is high; sealing is formed between the annular edge and the edge of the lower polishing table, so that polishing liquid flows out of the gaps between the glass cover plate frame and the lower polishing table and between the glass cover plate frame and the upper polishing table through the first through holes and cannot splash outwards.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical glass cover plate processing, and particularly relates to an optical glass cover plate polishing device. Background Art

[0002] Optical glass is generally used in optical instruments, mobile phones and other display devices to ensure that the devices can accurately sense, conduct and record light, and has high requirements for processing accuracy.

[0003] Optical glass needs to have sufficient flatness, so it needs to be polished when processing optical glass. Among them, the upper and lower surfaces of mobile phone optical glass need to be polished on both sides.

[0004] The polishing device generally polishes one side first and then changes the side for polishing, with low efficiency; and polishing liquid needs to be added to the polishing area during polishing. The current polishing method is easy to cause the polishing liquid to splash, which is not conducive to creating a clean and hygienic processing environment. Content of the Utility Model

[0005] The utility model provides an optical glass cover plate polishing device. The glass cover plate frame drives the optical glass cover plate to rotate and contact with the upper polishing table and the lower polishing table for friction, so as to perform double-sided polishing with high efficiency; a sealing is formed between the annular edge and the edge of the lower polishing table, so that the polishing liquid flows out through the first through hole from the gap between the glass cover plate frame and the lower polishing table and the upper polishing table, and will not splash outwards, so as to solve the problems put forward in the above background art.

[0006] To achieve the above object, the utility model provides the following technical solution: an optical glass cover plate polishing device, including a base, a lower polishing table is installed on the base, and a first through hole is provided in the middle of the lower polishing table; a motor is installed below the base through a lifting mechanism, and the lifting mechanism realizes lifting control of the motor; the output shaft of the motor passes through the first through hole, and a horizontally placed glass cover plate frame is fixed at the top end of the output shaft of the motor. A plurality of glass cover plate placement holes are provided around the center of the glass cover plate frame; columns are provided at the four corners of the base, a top plate is fixed at the top of the columns, a vertically downward telescopic cylinder is installed on the top plate, and the piston rod of the telescopic cylinder is fixedly connected to the upper polishing table through a connecting frame. A second through hole is provided in the middle of the upper polishing table, and a liquid adding port is provided on the upper polishing table.

[0007] Preferably, the glass cover plate frame is made of a high-hardness alloy material.

[0008] Preferably, an annular retaining edge is provided at the edge of the top surface of the base.

[0009] Preferably, the lifting mechanism includes a plurality of guide rods fixed to the bottom surface of the base. An installation plate is sleeved on the guide rods. The installation plate is connected to the guide rods through linear bearings. The motor is installed on the installation plate. Synchronous cylinders are installed on both sides of the bottom surface of the installation plate. The piston rods of the synchronous cylinders penetrate through the installation plate and are fixedly connected to the base.

[0010] Preferably, the base is provided with a sealing shaft sleeve sleeved outside the output shaft of the motor. The output shaft of the motor is in smooth and sealed contact with the inner wall of the sealing shaft sleeve.

[0011] Preferably, a circular edge is provided below the edge of the upper polishing table. After the upper polishing table descends, the circular edge can be in smooth and sealed contact with the outer edge of the lower polishing table.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The glass cover plate holder drives the optical glass cover plate to rotate and contact with the upper polishing table and the lower polishing table for friction, so as to perform double-sided polishing, with high efficiency.

[0014] 2. During polishing, a seal is formed between the circular edge and the edge of the lower polishing table, so that the polishing liquid flows out through the first through hole from the gaps between the glass cover plate holder and the lower polishing table and the upper polishing table, and will not splash outwards. Description of the Drawings

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the front view sectional structural schematic diagram of the present utility model;

[0017] Figure 3 is the top view structural schematic diagram of the lower polishing table of the present utility model;

[0018] Figure 4 is the bottom view structural schematic diagram of the upper polishing table of the present utility model;

[0019] Figure 5 is the top view structural schematic diagram of the glass cover plate holder of the present utility model.

[0020] In the figure: 1. Base; 2. Lower polishing table; 3. First through hole; 4. Motor; 5. Glass cover plate holder; 6. Glass cover plate placement hole; 7. Column; 8. Top plate; 9. Telescopic cylinder; 10. Connecting frame; 11. Upper polishing table; 12. Second through hole; 13. Liquid adding port; 14. Circular retaining edge; 15. Guide rod; 16. Installation plate; 17. Linear bearing; 18. Synchronous cylinder; 19. Sealing shaft sleeve; 20. Circular edge. Detailed Embodiments

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-5 , the present utility model provides an optical glass cover plate polishing device, including a base 1, the base 1 is provided with a lower polishing table 2, and a first through hole 3 is provided in the middle of the lower polishing table 2; a motor 4 is installed below the base 1 through a lifting mechanism, and the lifting mechanism controls the lifting of the motor 4; the output shaft of the motor 4 passes through the first through hole 3, and a horizontally placed glass cover plate holder 5 is fixed at the top end of the output shaft of the motor 4, and a plurality of glass cover plate placement holes 6 are provided around the center of the glass cover plate holder 5; columns 7 are provided at the four corners of the base 1, and a top plate 8 is fixed at the top of the columns 7, and a vertically downward telescopic cylinder 9 is installed on the top plate 8, and the piston rod of the telescopic cylinder 9 is fixedly connected to an upper polishing table 11 through a connecting frame 10, and a second through hole 12 is provided in the middle of the upper polishing table 11, and a liquid adding port 13 is provided on the upper polishing table 11; the glass cover plate holder 5 is designed with a thickness less than that of the optical glass cover plate, and the glass cover plate placement holes 6 are designed to be a copy shape adapted to the optical glass cover plate. During processing, the motor 4 is driven by the lifting mechanism to descend to a set height, so that the glass cover plate holder 5 is close to the lower polishing table 2, and when the optical glass cover plate is placed in the glass cover plate placement hole 6, the bottom of the optical glass cover plate is located on the lower polishing table 2, and the top is higher than the glass cover plate holder 5. The motor 4 drives the glass cover plate holder 5 to rotate. During this period, the telescopic cylinder 9 is controlled to drive the connecting frame 10 and the upper polishing table 11 to descend to a set polishing height. During polishing, a seal is formed between the annular edge 20 and the edge of the lower polishing table 2, and an external polishing liquid adding device is connected through the liquid adding port 13. The polishing liquid is added to the grinding area through the liquid adding port 13, then the polishing liquid will flow out through the first through hole 3 from the gap between the glass cover plate holder 5 and the lower polishing table 2 and the upper polishing table 11, and will not splash outwards, and the glass cover plate holder 5 drives the optical glass cover plate to rotate and contact and rub with the upper polishing table 11 and the lower polishing table 2 above and below for double-sided polishing, with high efficiency.

[0023] Specifically, the glass cover plate holder 5 is made of a high-hardness alloy material; in this embodiment, the glass cover plate holder 5 is durable and not easily deformed, with high stability.

[0024] Specifically, an annular retaining edge 14 is provided at the edge of the top surface of the base 1; in this embodiment, the polishing liquid flows out through the first through hole 3 from the gap between the glass cover plate holder 5 and the lower polishing table 2 and the upper polishing table 11, and will collect in the annular retaining edge 14 on the top surface of the base 1, which is conducive to collection and recycling.

[0025] Specifically, the lifting mechanism includes a plurality of guide rods 15 fixed to the bottom surface of the base 1. An installation plate 16 is sleeved on the guide rods 15. The installation plate 16 is connected to the guide rods 15 through linear bearings 17. The motor 4 is installed on the installation plate 16. Synchronous cylinders 18 are installed on both sides of the bottom surface of the installation plate 16. The piston rods of the synchronous cylinders 18 penetrate through the installation plate 16 and are fixedly connected to the base 1. In this embodiment, by driving the piston rods of the synchronous cylinders 18 to extend and retract, the installation plate 16 can be driven to move up and down along the guide rods 15, thereby realizing the height adjustment of the motor 4 and the glass cover plate frame 5.

[0026] Specifically, the base 1 is provided with a sealing shaft sleeve 19 sleeved outside the output shaft of the motor 4. The output shaft of the motor 4 is in smooth and sealed contact with the inner wall of the sealing shaft sleeve 19. In this embodiment, the output shaft of the motor 4 is sealed. At the same time, the output shaft is in smooth and sealed contact with the inner wall of the sealing shaft sleeve 19, without interfering with the lifting and rotation of the output shaft of the motor 4.

[0027] Specifically, a circular edge 20 is provided below the edge of the upper polishing table 11. After the upper polishing table 11 descends, the circular edge 20 can be in smooth and sealed contact with the outer edge of the lower polishing table 2. In this embodiment, during polishing, a seal is formed between the circular edge 20 and the edge of the lower polishing table 2 to prevent the polishing liquid from splashing during polishing.

[0028] In order to facilitate the understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0029] Working principle: The glass cover plate frame 5 is designed with a thickness less than that of the optical glass cover plate. The glass cover plate placement hole 6 is a profiling design adapted to the optical glass cover plate. During processing, the motor 4 is driven by the lifting mechanism to descend to a set height, so that the glass cover plate frame 5 is close to the lower polishing table 2. When the optical glass cover plate is placed into the glass cover plate placement hole 6, the bottom of the optical glass cover plate is located on the lower polishing table 2, and the top is higher than the glass cover plate frame 5. The motor 4 drives the glass cover plate frame 5 to rotate. During this period, the telescopic cylinder 9 is controlled to drive the connecting frame 10 and the upper polishing table 11 to descend to the set polishing height. During polishing, a seal is formed between the circular edge 20 and the edge of the lower polishing table 2. The external polishing liquid adding device is connected through the liquid adding port 13, and the polishing liquid is added to the polishing area through the liquid adding port 13. Then the polishing liquid will flow out from the gap between the glass cover plate frame 5 and the lower polishing table 2 and the upper polishing table 11 through the first through hole 3, without splashing outwards. Moreover, the glass cover plate frame 5 drives the optical glass cover plate to rotate and contact and rub with the upper polishing table 11 and the lower polishing table 2 above and below, for double-sided polishing, with high efficiency.

[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An optical glass cover plate polishing device, comprising a base (1), characterized in that: The base (1) is provided with a lower polishing table (2), and a first through hole (3) is provided in the middle of the lower polishing table (2); a motor (4) is provided at the lower part of the base (1) through a lifting mechanism, and the lifting mechanism realizes lifting and lowering control of the motor (4); the output shaft of the motor (4) passes through the first through hole (3), and a horizontally placed glass cover frame (5) is fixed at the top end of the output shaft of the motor (4), and the glass cover frame (5) is provided with a plurality of glass cover placement holes (6) around the center; columns (7) are provided at the four corners of the base (1), and a top plate (8) is fixed on the top of the column (7), and a telescopic cylinder (9) is provided on the top plate (8) facing vertically downward, and the piston rod of the telescopic cylinder (9) is fixedly connected to the upper polishing table (11) through a connecting frame (10), and a second through hole (12) is provided in the middle of the upper polishing table (11), and a liquid filling port (13) is provided on the upper polishing table (11).

2. The optical glass cover plate polishing device according to claim 1, characterized in that: The glass cover frame (5) is made of a high-hardness alloy material.

3. The optical glass cover plate polishing device according to claim 1, characterized in that: An annular rib (14) is provided on the top edge of the base (1).

4. The optical glass cover plate polishing device according to claim 1, characterized in that: The lifting mechanism comprises a plurality of guide rods (15) fixed to the bottom surface of the base (1), a mounting plate (16) being mounted on the guide rods (15), the mounting plate (16) being connected to the guide rods (15) via a linear bearing (17), the motor (4) being mounted on the mounting plate (16), synchronous cylinders (18) being mounted on both sides of the bottom surface of the mounting plate (16), the piston rod of the synchronous cylinder (18) passing through the mounting plate (16) and then being fixedly connected to the base (1).

5. The optical glass cover plate polishing device according to claim 1, characterized in that: The base (1) is provided with a sealing sleeve (19) sleeved on the outside of the output shaft of the motor (4), and the output shaft of the motor (4) is in smooth and sealing contact with the inner wall of the sealing sleeve (19).

6. The optical glass cover plate polishing device according to claim 1, characterized in that: An annular edge (20) is provided below the edge of the upper polishing table (11); after the upper polishing table (11) is lowered, the annular edge (20) can be in smooth and sealed contact with the outer edge of the lower polishing table (2).

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