Lens processing positioning device

Abstract

The utility model relates to the technical field of lens processing, and specifically to a lens processing positioning device, comprising a base, wherein a positioning mechanism for fixing the lens is arranged on the base, wherein the positioning mechanism comprises a first motor, wherein the first motor is mounted at the left end of the base, wherein a sliding groove is provided on the base, wherein a bidirectional threaded rod is rotatably connected in the sliding groove, wherein an output end of the first motor passes through the base and is fixed to the bidirectional threaded rod, wherein two moving blocks are slidably connected to the sliding groove, and wherein the two moving blocks are symmetrically distributed. The lens processing positioning device can realize fast and firm positioning and fixing of the lens through the positioning mechanism, wherein when the lens is clamped, the lens pushes the second clamping block to drive the pushing block to move, and the pushing block drives the contact block through the positioning mechanism to squeeze the lens to cooperate with the first clamping block and the second clamping block to clamp the lens firmly, thereby ensuring firm fixation of the lens and making the operation more convenient and simple.

Description

Technical Field

[0001] The utility model relates to the technical field of lens processing, in particular to a lens processing positioning device. Background Art

[0002] A lens refers to an optical component used for imaging on devices such as cameras and projectors, among which the lens is one of the key components. After the lens is initially processed, it needs to be cut, ground and polished at different workstations. When the lens is processed, it needs to be fixed, so a positioning device for fixing the lens is used. However, when the existing positioning device is used to fix the lens, the installation and fixing process is often cumbersome and inconvenient in order to ensure firmness, or the fixing is not firm in order to speed up efficiency. In view of the above problems, the present application designs a lens processing and positioning device. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies of the prior art, the utility model provides a lens processing and positioning device.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lens processing and positioning device, comprising a base, a positioning mechanism for fixing the lens is arranged on the base, the positioning mechanism comprises a first motor, the first motor is installed at the left end of the base, a sliding groove is provided on the base, a bidirectional threaded rod is rotatably connected in the sliding groove, the output end of the first motor passes through the base and is fixed to the bidirectional threaded rod, two moving blocks are slidably connected to the sliding groove, the two moving blocks are symmetrically distributed, the moving blocks are threadedly connected to the bidirectional threaded rod, two columns are symmetrically fixed on the top of the moving block, the columns pass through the base upward, a main body block is fixed on the two columns on the same side, an arc is provided on the adjacent side of the two main body blocks and a clamping groove is provided, two first clamping blocks are rotatably connected to the clamping groove, the two first clamping blocks are symmetrically distributed, a second clamping block is provided between the two first clamping blocks, a push rod is fixed to the outer end of the second clamping block, a moving groove is provided on the main body block, and the moving groove is moved up and down. The cam is fixed on the movable block through the main body block, and the push rod passes through the main body block and is slidably connected to the movable block, and the push rod and the push block are fixed by an adjusting component, and a first spring is fixed on an outer side end of the push block, and the other end of the first spring is fixed on the movable groove, and two arc grooves are provided on the push block, and the two arc grooves are symmetrically distributed up and down, and a support block is fixed on the top and bottom ends of the main body block, and a connecting rod is rotatably connected to the support block, and a lifting rod is fixed on one end of the two connecting rods on the same side near the outer side, and the lifting rod passes through the arc groove on the same side, and a buffer column is fixed on the other end of the connecting rod, and a buffer inner cavity is provided inside the buffer column, and a second spring is fixed on the inner top wall of the buffer inner cavity, and a sliding block is fixed on the other end of the second spring, and the sliding block is slidably connected to the buffer inner cavity, and a buffer rod is fixed at the bottom end of the sliding block, and the buffer rod passes through the buffer column downward, and the bottom end of the buffer rod is rotatably connected to a third clamping block, and the bottom end of the third clamping block is fixed with a contact block.

[0007] In order to be able to adjust the fixing mechanism to firmly fix lenses of different sizes, the utility model is improved in that the adjusting component includes a first threaded rod, the first threaded rod is threadedly connected to the push rod, the outer end of the first threaded rod passes through the pushing block and the main block in the outward direction, a limiting block is fixed on the first threaded rod, the limiting block is located inside the pushing block and is rotatably connected to the pushing block, the first threaded rod is rotatably connected to the main block, the first spring is sleeved on the first threaded rod, and a knob is fixed on the outer end of the first threaded rod.

[0008] In order to prevent the lens from falling and causing damage, the utility model is improved in that a protective pad is fixed at the top of the base between the two main body blocks.

[0009] In order to firmly clamp the lens without damaging it, the utility model has an improvement in that a clamping pad is fixed on the inner end of the first clamping block and the second clamping block, and the clamping pad and the contact block are both made of rubber material and have anti-slip grooves.

[0010] In order to enable more secure clamping, the utility model is improved in that the bottom end of the clamping block is arranged as a concave surface.

[0011] In order to prevent the moving block from deviating when moving, the utility model is improved in that two T-shaped limit grooves are symmetrically provided on the sliding groove, and the moving block is slidably connected to the two T-shaped limit grooves.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the present invention provides a lens processing and positioning device having the following features:

[0014] Beneficial effects:

[0015] The lens processing and positioning device can realize fast and firm positioning and fixing of the lens through the positioning mechanism. When the lens is clamped, the lens pushes the second clamping block to drive the pushing block to move, and the pushing block drives the contact block through the positioning mechanism to squeeze the lens to cooperate with the first clamping block and the second clamping block to clamp it firmly, thereby ensuring firm fixation of the lens and making the operation more convenient and simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the first main structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the first partial structure of the utility model in section;

[0018] Figure 3 It is a schematic diagram of a second partial structure of the utility model in section;

[0019] Figure 4 It is a schematic diagram of the third partial structure of the utility model in section.

[0020] In the figure: 1. base; 2. first motor; 3. sliding groove; 4. bidirectional threaded rod; 5. moving block; 6. column; 7. main block; 8. clamping groove; 9. first clamping block; 10. second clamping block; 11. push rod; 12. moving groove; 13. pushing block; 14. first spring; 15. arc sliding groove; 16. supporting block; 17. connecting rod; 18. lifting rod; 19. buffer column; 20. second spring; 21. sliding block; 22. buffer rod; 23. third clamping block; 24. contact block; 25. first threaded rod; 26. limit block; 27. knob; 28. protective pad; 29. ​​clamping pad; 30. T-shaped limit groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4A lens processing and positioning device comprises a base 1, wherein the base 1 is provided with a positioning mechanism for fixing the lens, wherein the positioning mechanism comprises a first motor 2, wherein the first motor 2 is mounted at the left end of the base 1, wherein a sliding groove 3 is provided on the base 1, wherein a bidirectional threaded rod 4 is rotatably connected in the sliding groove 3, wherein the output end of the first motor 2 passes through the base 1 and is fixed to the bidirectional threaded rod 4, wherein two moving blocks 5 are slidably connected to the sliding groove 3, wherein the two moving blocks 5 are symmetrically distributed, wherein the moving blocks 5 are threadedly connected to the bidirectional threaded rod 4, wherein two upright posts 6 are symmetrically fixed to the top of the moving blocks 5, wherein the upright posts 6 pass through the base 1 upward, wherein a main body block 7 is fixed to the two upright posts 6 on the same side, wherein the two main body blocks 7 are opposite to each other. The near side is provided with an arc and a clamping groove 8, and two first clamping blocks 9 are rotatably connected to the clamping groove 8, and the two first clamping blocks 9 are symmetrically distributed, and a second clamping block 10 is provided between the two first clamping blocks 9, and a push rod 11 is fixed to the outer end of the second clamping block 10, and a moving groove 12 is provided on the main block 7, and the moving groove 12 runs through the main block 7 up and down, and a pushing block 13 is slidably connected to the moving groove 12, and the push rod 11 passes through the main block 7 and is slidably connected to it, and the push rod 11 and the pushing block 13 are fixed by an adjusting component, and a first spring 14 is fixed to the outer end of the pushing block 13, and the other end of the first spring 14 is fixed on the moving groove 12, and the pushing block 13 is provided with two arc grooves 15, and the two arc grooves 15 are symmetrically distributed up and down, and the top and bottom ends of the main body block 7 are fixed with support blocks 16, and the support blocks 16 are rotatably connected with connecting rods 17, and the outer ends of the two connecting rods 17 on the same side are fixed with lifting rods 18, and the lifting rods 18 pass through the arc grooves 15 on the same side, and the other ends of the connecting rods 17 are fixed with buffer columns 19, and the buffer columns 19 are provided with buffer inner cavities, and the inner top wall of the buffer inner cavities is fixed with second springs 20, and the other ends of the second springs 20 are fixed with sliding block 21, and the sliding block 21 is slidably connected to the buffer inner cavity, and the bottom end of the sliding block 21 is fixed with buffer rods 22, The buffer rod 22 passes downward through the buffer column 19, and the bottom end of the buffer rod 22 is rotatably connected to the third clamping block 23, and the bottom end of the third clamping block 23 is fixed with a contact block 24. The adjusting assembly includes a first threaded rod 25, and the first threaded rod 25 is threadedly connected to the push rod 11. The outer end of the first threaded rod 25 passes through the push block 13 and the main block 7 in the outward direction. A limit block 26 is fixed on the first threaded rod 25, and the limit block 26 is located inside the push block 13 and is rotatably connected to the push block 13. The first threaded rod 25 is rotatably connected to the main block 7. The first spring 14 is sleeved on the first threaded rod 25, and a knob 27 is fixed on the outer end of the first threaded rod 25.

[0023] When the device is in use, the lens is first placed between the two main blocks 7. According to the size of the lens, the knob 27 is turned to drive the first threaded rod 25 to rotate. The first threaded rod 25 is rotated and connected to the main block 7, so that the push rod 11 threadedly connected to the first threaded rod 25 moves away from or close to the push block 13. The first motor 2 is started to drive the bidirectional threaded rod 4 to rotate. The moving block 5 threadedly connected to the bidirectional threaded rod 4 moves toward the middle along the sliding groove 3. The moving block 5 drives the column 6 and the main block 7 to move. When the lens contacts the second clamping block 10, the lens pushes the second clamping block 10 and the main block 7 to move relative to each other. The second clamping block 10 drives the push rod 11 to The push rod 11 drives the first threaded rod 25 and the push block 13 to move outward, the first spring 14 is compressed, and at the same time, the lifting rod 18 moves along the arc groove 15 away from the main block 7 under the action of the force of the arc groove 15, and the connecting rod 17 is rotated and connected to the support block 16, so that the buffer column 19 approaches the lens surface, and the buffer column 19 drives the buffer rod 22, the third clamping block 23 and the contact block 24 to approach the lens. When the contact block 24 contacts the lens surface, the second spring 20 is compressed, and at the same time, the first clamping block 9 rotates according to the curvature of the lens edge to achieve contact with the maximum area, thereby completing clamping and fixing.

[0024] It is found in actual use that when the lens is removed, the lens may fall and be damaged. In order to avoid the above problem, in this embodiment, a protective pad 28 is fixed at the top of the base 1 between the two main blocks 7.

[0025] It is found in actual use that harder materials may damage the lens when in contact with the lens. In order to avoid the above problem, in this embodiment, a clamping pad 29 is fixed on the inner end of the first clamping block 9 and the second clamping block 10, and the clamping pad 29 and the contact block 24 are both made of rubber material and have anti-slip grooves.

[0026] It is found in actual use that when the flat contact block 24 contacts the curved lens, the contact area is small and the clamping is not firm. In order to solve the above problem, in this embodiment, the bottom end of the clamping block is set to be concave.

[0027] It is found in actual use that the moving block 5 may be offset when moving along the sliding groove 3. In order to avoid the above problem, in this embodiment, two T-shaped limit grooves 30 are symmetrically opened on the sliding groove 3, and the moving block 5 is slidably connected to the two T-shaped limit grooves 30.

[0028] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0029] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0030] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0031] 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 lens processing and positioning device, comprising a base (1), characterized in that: The base (1) is provided with a positioning mechanism for fixing the lens, the positioning mechanism comprising a first motor (2), the first motor (2) being mounted on the left end of the base (1), the base (1) being provided with a sliding groove (3), a bidirectional threaded rod (4) being rotatably connected in the sliding groove (3), the output end of the first motor (2) passing through the base (1) and being fixed to the bidirectional threaded rod (4), two moving blocks (5) being slidably connected to the sliding groove (3), the two moving blocks (5) being symmetrically distributed, the moving blocks (5) being threadedly connected to the bidirectional threaded rod (4), two upright posts (6) being symmetrically fixed at the top of the moving block (5), the upright posts (6) being upwardly extending. A main body block (7) is fixed on two of the columns (6) on the same side through the base (1). An arc is provided on the adjacent side of the two main body blocks (7) and a clamping groove (8) is provided. Two first clamping blocks (9) are rotatably connected to the clamping groove (8). The two first clamping blocks (9) are symmetrically distributed. A second clamping block (10) is provided between the two first clamping blocks (9). A push rod (11) is fixed on the outer end of the second clamping block (10). A moving groove (12) is provided on the main body block (7). The moving groove (12) passes through the main body block (7) from top to bottom. A push block (13) is slidably connected to the moving groove (12). The push rod (1 1) passes through the main block (7) and is slidably connected thereto, the push rod (11) and the push block (13) are fixed by an adjustment assembly, a first spring (14) is fixed on the outer end of the push block (13), the other end of the first spring (14) is fixed on the movable groove (12), two arc grooves (15) are provided on the push block (13), and the two arc grooves (15) are symmetrically distributed up and down, the top and bottom ends of the main block (7) are fixed with support blocks (16), the support block (16) is rotatably connected with a connecting rod (17), and a lifting rod (18) is fixed on the outer ends of the two connecting rods (17) on the same side, and the lifting rod (18) ) passes through the arc groove (15) on the same side, a buffer column (19) is fixed to the other end of the connecting rod (17), a buffer cavity is opened inside the buffer column (19), a second spring (20) is fixed on the inner top wall of the buffer cavity, a sliding block (21) is fixed to the other end of the second spring (20), the sliding block (21) is slidably connected to the buffer cavity, a buffer rod (22) is fixed to the bottom end of the sliding block (21), the buffer rod (22) passes downward through the buffer column (19), the bottom end of the buffer rod (22) is rotatably connected to a third clamping block (23), and a contact block (24) is fixed to the bottom end of the third clamping block (23).

2. A lens processing and positioning device according to claim 1, characterized in that: The adjusting assembly comprises a first threaded rod (25), the first threaded rod (25) being threadedly connected to the push rod (11), the outer end of the first threaded rod (25) passing through the pushing block (13) and the main body block (7) in an outward direction, a limit block (26) being fixed on the first threaded rod (25), the limit block (26) being located inside the pushing block (13) and being rotatably connected to the pushing block (13), the first threaded rod (25) being rotatably connected to the main body block (7), the first spring (14) being sleeved on the first threaded rod (25), and a knob (27) being fixed on the outer end of the first threaded rod (25).

3. The lens processing and positioning device according to claim 1, characterized in that: A protective pad (28) is fixed on the top of the base (1) between the two main body blocks (7).

4. The lens processing and positioning device according to claim 1, characterized in that: A clamping pad (29) is fixed on the inner end of the first clamping block (9) and the second clamping block (10); the clamping pad (29) and the contact block (24) are both made of rubber material and are provided with anti-slip grooves.

5. The lens processing and positioning device according to claim 1, characterized in that: The bottom end of the clamping block is arranged to be a concave surface.

6. The lens processing and positioning device according to claim 1, characterized in that: Two T-shaped limit grooves (30) are symmetrically provided on the sliding groove (3), and the moving block (5) is slidably connected to the two T-shaped limit grooves (30).

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