Fine adjustment clamp for high-precision optical cold machining

Abstract

The utility model discloses a fine adjustment clamp for high-precision optical cold machining, and relates to the technical field of optical cold machining. The device comprises a working table, a supporting frame is arranged at the top end of the working table, a double-thread screw is rotationally clamped on the inner side of the supporting frame, movable columns which are symmetrically distributed are arranged on the outer side of the double-thread screw in a threaded sleeving mode, a clamping plate is fixedly connected to one end of each movable column, a bayonet is formed in the upper portion of one end of each clamping plate, and a clamping groove is formed in the other end of each clamping plate. A first motor is fixedly mounted on the outer side of the supporting frame; through cooperation of a first motor, a double-thread screw, a moving column, a clamping plate, a bayonet, a second motor, a worm and a worm gear, the worm gear rotates to drive a rotating column to rotate, the rotating column rotates to drive a supporting frame and optical glass to rotate, the rotating column can be slowly rotated under the action of the worm and the worm gear, the self-locking effect is achieved, shaking is prevented, and the service life of the optical glass is prolonged. Therefore, rotation fine tuning of the optical glass is realized, the structure fine tuning is stable, the processing error rate is reduced, and the processing yield is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cold processing, in particular to a fine-tuning fixture for high-precision optical cold processing. Background Art

[0002] Optical cold processing is a technology that mainly involves the primary processing of optical parts, including but not limited to the processing of materials such as optical glass, optical crystals and optical plastics. Among them, optical glass is the most widely used. This processing technology is usually carried out at room temperature and changes the shape and surface state of glass and glass products through mechanical methods such as cutting, drilling, frosting, grinding, polishing, and edging.

[0003] However, the fixture structure for clamping optical glass in existing optical processing equipment is too rigid and cannot drive the optical glass to rotate and fine-tune, which limits the processing of optical glass. If the optical glass is not fine-tuned with the equipment, more and more defective products will be produced, and the yield rate will decrease accordingly. In view of the above problems, the inventor proposes a fine-tuning fixture for high-precision optical cold processing to solve the above problems. Utility Model Content

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a fine-tuning fixture for high-precision optical cold processing, comprising a workbench, the top of the workbench is provided with a support frame, the inner side of the support frame is rotatably clamped with a double-headed screw, the outer side thread sleeve of the double-headed screw is provided with a symmetrically distributed movable column, one end of the movable column is fixedly connected with a clamping plate, and a bayonet is provided on the upper part of one end of the clamping plate, the first motor is fixedly installed on the outer side of the support frame, the driving end of the first motor passes through the support frame and is fixedly connected with the double-headed screw, the top of the workbench is provided with a square groove, the inner side of the square groove is rotatably installed with a rotating column, the top of the rotating column is fixedly connected to the support frame, the outer side fixed sleeve of the rotating column is provided with a worm gear, the inside of the square groove is fixedly installed with a fixing frame, the inner side of the fixing frame is rotatably clamped with a worm, and the outer side of the fixing frame is fixedly installed with a second motor, and the driving end of the second motor passes through the fixing frame and is fixedly connected with the worm.

[0005] Preferably, symmetrically distributed support members are fixedly installed on the outer side of the workbench, a rotating drum is rotatably sleeved on one end of the support member, a T-shaped plate is fixedly connected to the outer side of the rotating drum, symmetrically distributed rollers are fixedly installed on the top of the T-shaped plate, a clamping plate is fixedly installed on one end of the T-shaped plate, symmetrically distributed clamping grooves are opened on the outer side of the workbench, one end of the clamping plate is movably inserted in the inside of the clamping groove, a bolt is threadedly installed on the outer side of the T-shaped plate, one end of the bolt threadably penetrates the T-shaped plate and the clamping plate and is threadedly installed on the inner side of the workbench.

[0006] Preferably, symmetrically distributed guide blocks are fixedly mounted on the outer side of the movable column, and symmetrically distributed guide grooves are opened at one end of the support frame, and one end of the guide block slides through the guide groove.

[0007] Preferably, the bottom surface of the support frame is fixedly mounted with symmetrically distributed reinforcing columns, the top surface of the workbench is provided with an annular groove, and one end of the reinforcing column is movably inserted into the inner side of the annular groove.

[0008] Preferably, a limiting block is fixedly connected to the lower outer portion of the reinforcing column, a limiting groove is provided on the inner side of the annular groove, and one end of the limiting block is slidably engaged with the inner side of the limiting groove.

[0009] Preferably, an integrally formed control handle is fixedly mounted on the front side of the workbench.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. Through the cooperation of the first motor, double-headed screw, moving column, clamping plate, bayonet, second motor, worm and worm gear, the rotation of the worm gear drives the rotating column to rotate, and the rotation of the rotating column drives the support frame and the optical glass to rotate. In addition, the worm and worm gear can be used to rotate the rotating column slowly and have a self-locking effect to prevent shaking, thereby realizing the rotation fine-tuning of the optical glass, the structural fine-tuning is stable, the processing error rate is reduced, and the processing yield rate is improved;

[0012] 2. Manually remove the bolts, and then rotate the drum. The drum rotates on the support, driving the T-shaped plate and the roller to rotate. The card plate is pulled out of the slot. After the roller contacts the ground, the workbench can be moved, thereby realizing the mobility of the workbench. The structure is ingenious and it is easy to store. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structural disassembly of the utility model.

[0016] Figure 3 It is a schematic diagram of the cutaway structure of the utility model.

[0017] Figure 4It is a schematic cross-sectional view of the workbench structure of the utility model.

[0018] In the figure: 1. workbench; 11. support frame; 12. double-headed screw; 13. moving column; 14. clamping plate; 15. bayonet; 16. first motor; 17. square groove; 18. rotating column; 19. worm gear; 20. fixed frame; 21. worm; 22. second motor; 23. support member; 24. rotating drum; 25. T-shaped plate; 26. roller; 27. clamping plate; 28. clamping groove; 29. ​​bolt; 30. guide block; 31. guide groove; 32. reinforcement column; 33. annular groove; 34. limit block; 35. limit groove; 36. control handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-4 As shown, the utility model provides a technical solution: a fine-tuning fixture for high-precision optical cold processing, comprising a workbench 1, a support frame 11 is arranged on the top of the workbench 1, a double-headed screw 12 is rotatably clamped on the inner side of the support frame 11, and a symmetrically distributed moving column 13 is arranged on the outer thread sleeve of the double-headed screw 12, one end of the moving column 13 is fixedly connected to a clamping plate 14, and a bayonet 15 is opened on the upper part of one end of the clamping plate 14, a first motor 16 is fixedly installed on the outer side of the support frame 11, and the driving end of the first motor 16 penetrates the support frame 11. The frame 11 and the double-headed screw 12 are fixedly connected, a square groove 17 is opened at the top of the workbench 1, a rotating column 18 is rotatably installed on the inner side of the square groove 17, the top of the rotating column 18 is fixedly connected to the support frame 11, a worm gear 19 is fixedly sleeved on the outer side of the rotating column 18, a fixed frame 20 is fixedly installed inside the square groove 17, a worm 21 is rotatably provided on the inner side of the fixed frame 20, a second motor 22 is fixedly installed on the outer side of the fixed frame 20, and the driving end of the second motor 22 passes through the fixed frame 20 and is fixedly connected with the worm 21.

[0021] A symmetrically distributed support member 23 is fixedly installed on the outer side of the workbench 1, and a rotating drum 24 is rotatably sleeved on one end of the support member 23. A T-shaped plate 25 is fixedly connected to the outer side of the rotating drum 24. A symmetrically distributed roller 26 is fixedly installed on the top of the T-shaped plate 25, and a clamping plate 27 is fixedly installed on one end of the T-shaped plate 25. Symmetrically distributed clamping grooves 28 are opened on the outer side of the workbench 1, and one end of the clamping plate 27 is movably inserted into the inside of the clamping groove 28. A bolt 29 is threadedly installed on the outer side of the T-shaped plate 25, and one end of the bolt 29 is threadedly penetrated through the T-shaped plate 25 and the clamping plate 27 and is threadedly installed on the inner side of the workbench 1.

[0022] By adopting the above technical solution, when the workbench 1 needs to be moved, the bolt 29 is manually removed, and then the rotating drum 24 is rotated. The rotating drum 24 rotates on the support 23, driving the T-shaped plate 25 and the roller 26 to rotate, and the clamping plate 27 is pulled out of the clamping groove 28. After the roller 26 contacts the ground, the workbench 1 can be moved, thereby realizing the mobility of the workbench 1. In addition, the structure is ingenious and it is convenient to store.

[0023] The outer side of the moving column 13 is fixedly provided with symmetrically distributed guide blocks 30 , one end of the support frame 11 is provided with symmetrically distributed guide grooves 31 , and one end of the guide block 30 slides through the guide groove 31 .

[0024] By adopting the above technical solution, the movable column 13 is guided and limited by arranging the guide block 30 in the guide groove 31 to cooperate with the movement of the movable column 13 .

[0025] The bottom surface of the support frame 11 is fixedly mounted with symmetrically distributed reinforcing columns 32 , and the top surface of the workbench 1 is provided with an annular groove 33 , and one end of the reinforcing column 32 is movably inserted into the inner side of the annular groove 33 .

[0026] By adopting the above technical solution, the reinforcing column 32 is arranged in the annular groove 33 to cooperate with the support frame 11 to move, so as to reinforce the support frame 11 and enhance the support stability.

[0027] The lower outer portion of the reinforcing column 32 is fixedly connected to a limiting block 34 . A limiting groove 35 is provided inside the annular groove 33 . One end of the limiting block 34 is slidably engaged with the inner side of the limiting groove 35 .

[0028] By adopting the above technical solution, the limiting block 34 is set to slide in the limiting groove 35 to limit the reinforcing column 32 and the support frame 11 to prevent the support frame 11 from moving upward.

[0029] An integrally formed control handle 36 is fixedly mounted on the front of the workbench 1 .

[0030] By adopting the above technical solution, the moving direction of the roller 26 can be easily controlled by providing the control handle 36 .

[0031] Working principle: First, place the optical glass that needs optical processing between the clamps 14, and then control the first motor 16 to drive the double-headed screw 12 to rotate on the support frame 11, the double-headed screw 12 rotates to drive the moving columns 13 to move relative to each other, the moving columns 13 move relative to each other to drive the clamps 14 to move, the clamps 14 move relative to each other to clamp the optical glass, and after the optical glass is clamped in the bayonet 15, optical processing can be performed. When the optical glass needs to be rotated and fine-tuned during processing, control the second motor 22 to drive the worm 21 to rotate, the worm 21 rotates to drive the worm wheel 19 to rotate, the worm wheel 19 rotates to drive the rotating column 18 to rotate, and the rotating column 18 rotates to drive the support frame 11. The support frame 11 and the optical glass rotate, and the worm 21 and the worm wheel 19 can be used to slowly rotate the rotating column 18, which also has a self-locking effect to prevent shaking, thereby realizing the rotation fine-tuning of the optical glass. The structural fine-tuning is stable, which reduces the processing error rate and improves the processing yield rate. When the workbench 1 needs to be moved, the bolts 29 are manually removed, and then the rotating drum 24 is rotated. The rotating drum 24 rotates on the support 23, driving the T-shaped plate 25 and the roller 26 to rotate, and the clamping plate 27 is pulled out of the clamping slot 28. After the roller 26 contacts the ground, the workbench 1 can be moved, thereby realizing the mobility of the workbench 1. In addition, the structure is ingenious and it is also convenient to store.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fine-tuning fixture for high-precision optical cold processing, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with a support frame (11), the inner side of the support frame (11) is rotatably provided with a double-headed screw (12), the outer side of the double-headed screw (12) is threadedly sleeved with symmetrically distributed moving columns (13), one end of the moving column (13) is fixedly connected with a clamping plate (14), and a clamping slot (15) is provided on the upper part of one end of the clamping plate (14), and a first motor (16) is fixedly installed on the outer side of the support frame (11), and the driving end of the first motor (16) passes through the support frame (11) and is fixedly connected with the double-headed screw (12), and the workbench (1) A square groove (17) is provided at the top end thereof, a rotating column (18) is rotatably mounted inside the square groove (17), the top end of the rotating column (18) is fixedly connected to the support frame (11), a worm gear (19) is fixedly sleeved outside the rotating column (18), a fixing frame (20) is fixedly mounted inside the square groove (17), a worm (21) is rotatably mounted inside the fixing frame (20), a second motor (22) is fixedly mounted outside the fixing frame (20), and a driving end of the second motor (22) passes through the fixing frame (20) and is fixedly connected to the worm (21).

2. A fine-tuning fixture for high-precision optical cold working as claimed in claim 1, characterized in that: The outer side of the workbench (1) is fixedly provided with symmetrically distributed support members (23), one end of the support member (23) is rotatably sleeved with a rotating drum (24), the outer side of the rotating drum (24) is fixedly connected with a T-shaped plate (25), the top of the T-shaped plate (25) is fixedly provided with symmetrically distributed rollers (26), one end of the T-shaped plate (25) is fixedly provided with a clamping plate (27), the outer side of the workbench (1) is provided with symmetrically distributed clamping grooves (28), one end of the clamping plate (27) is movably inserted into the inside of the clamping groove (28), the outer side of the T-shaped plate (25) is threadedly provided with a bolt (29), one end of the bolt (29) is threadedly passed through the T-shaped plate (25) and the clamping plate (27) and is threadedly provided on the inner side of the workbench (1).

3. A fine-tuning fixture for high-precision optical cold working as claimed in claim 1, characterized in that: A symmetrically distributed guide block (30) is fixedly mounted on the outer side of the movable column (13), a symmetrically distributed guide groove (31) is opened at one end of the support frame (11), and one end of the guide block (30) slides through the guide groove (31).

4. A fine-tuning fixture for high-precision optical cold working as claimed in claim 3, characterized in that: The bottom surface of the support frame (11) is fixedly mounted with symmetrically distributed reinforcement columns (32), the top surface of the workbench (1) is provided with an annular groove (33), and one end of the reinforcement column (32) is movably inserted into the inner side of the annular groove (33).

5. A fine-tuning fixture for high-precision optical cold working as claimed in claim 4, characterized in that: The lower outer portion of the reinforcing column (32) is fixedly connected to a limiting block (34), the inner side of the annular groove (33) is provided with a limiting groove (35), and one end of the limiting block (34) is slidably engaged with the inner side of the limiting groove (35).

6. A fine-tuning fixture for high-precision optical cold working as claimed in claim 4, characterized in that: An integrally formed control handle (36) is fixedly mounted on the front of the workbench (1).

Images