A cooling device for optical lens forming mold

Abstract

The present invention discloses a cooling device for an optical lens molding mold, belonging to the technical field of cooling devices. The cooling device for an optical lens molding mold comprises a box body, a refrigerator is fixedly installed inside the box body, a cabinet door is hingedly connected to the front end surface of the box body, a handle is fixedly installed on the front end surface of the cabinet door, a column is fixedly installed inside the box body, a slot 1 and a slot 2 are provided on the front end surface of the column, slot 1 is arranged on the upper side of slot 2, a fixing mechanism 1 is arranged inside slot 2, a fixing mechanism 2 is arranged inside slot 1, a fixing mechanism 3 is arranged inside fixing mechanism 2, and a fixing mechanism 4 is arranged inside fixing mechanism 1. This scheme sets a fixing mechanism 1, and utilizes a symmetrically arranged clamping rod 1 and a clamping rod 2 to cooperate with each other to form a scissor-shaped fixing structure, so as to preliminarily clamp and fix the optical lens body, and at the same time utilizes the self-locking property of the threaded rod to prevent the optical lens body from shaking and displacing during the cooling process.

Description

Technical Field

[0001] The present invention relates to the technical field of cooling devices, and more specifically to a cooling device for an optical lens molding mold. Background Art

[0002] Optical lenses are essential components in machine vision systems, which directly affect the quality of imaging and the implementation and effect of algorithms. Optical lenses can be divided into short-focus lenses, medium-focus lenses, and long-focus lenses based on focal length; wide-angle, standard, and telephoto lenses based on field of view; and fixed-aperture fixed-focus lenses, manual-aperture fixed-focus lenses, automatic-aperture fixed-focus lenses, manual-zoom lenses, automatic-zoom lenses, automatic-aperture electric-zoom lenses, and electric three-variable (aperture, focal length, and focus are all variable) lenses based on structure.

[0003] A Chinese patent with authorization publication number CN221717575U discloses a cooling device for an optical lens molding mold. By pulling the lens mold, the lens mold drives a moving block connected to the bottom to move in a slide groove provided on a support plate. During the movement of the moving block, a telescopic rod connected between the slide groove and the moving block begins to extend, causing a reset spring connected to the fixed end and the extension end of the telescopic rod to begin to stretch, placing the optical lens inside the lens mold. When the lens mold reset spring is released, the lens mold is reset due to inertia, thereby facilitating replacement of the cooled optical lens.

[0004] Although this type of optical lens molding mold cooling device can fix the optical lens, in actual use, the fixing method for the optical lens is usually loose, which will cause a series of problems during air cooling. When the equipment uses an air cooler to cool the optical lens, especially a high-power air cooler, the blowing force is strong, which can easily cause the loosely fixed optical lens to vibrate and move, and even risk falling off. Once the optical lens falls off, it will not only cause damage to the lens itself, but may also affect the normal operation of the entire optical system. In addition, the detached lens may also cause damage to other components inside the equipment, further increasing maintenance costs and downtime. Summary of the invention

[0005] In view of the problems existing in the prior art, an object of the present invention is to provide an optical lens molding mold cooling device, which can provide a relatively stable optical lens fixing method.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] A cooling device for an optical lens molding mold comprises a box body, a refrigerator is fixedly installed inside the box body, a cabinet door is hingedly connected to the front end surface of the box body, a handle is fixedly installed on the front end surface of the cabinet door, a column is fixedly installed inside the box body, a slot 1 and a slot 2 are opened on the front end surface of the column, the slot 1 is arranged on the upper side of the slot 2, a fixing mechanism 1 is arranged inside the slot 2, a fixing mechanism 2 is arranged inside the slot 1, a fixing mechanism 3 is arranged inside the fixing mechanism 2, and a fixing mechanism 4 is arranged inside the fixing mechanism 1, the fixing mechanism 1 comprises a motor fixedly installed on the inner lower end surface of the box body, a threaded rod is fixedly installed on the end of the output shaft at the upper end of the motor, the upper end of the threaded rod is rotatably connected to the box body, a fixing shaft 1 is fixedly installed inside the slot 2, a clamping rod 1 and a clamping rod 2 are arranged inside the slot 2, the clamping rod 1 and the clamping rod 2 are both rotatably connected to the fixing shaft 1, the clamping rod 1 and the clamping rod 2 are symmetrically arranged, and the clamping rod 1 and the clamping rod 2 are both S-shaped.

[0008] Furthermore, a placement plate is fixedly installed on the front end face of the column, a plurality of through holes are provided on the lower end face of the placement plate, an optical lens body is arranged on the upper side of the placement plate, a support member 1 is rotatably connected to the rear side of the upper end face of the clamping rod 2, a threaded sleeve is spirally connected to the outer surface of the threaded rod, a connecting member 1 is fixedly installed on the left side of the outer surface of the threaded sleeve, and a connecting rod 1 is rotatably connected between the connecting member 1 and the support member 1.

[0009] Furthermore, the rear side of the upper end surface of the clamp rod 1 is rotatably connected to a support member 2, the right side of the outer surface of the threaded sleeve is fixedly installed with a connecting member 2, and a connecting rod 2 is rotatably connected between the connecting member 2 and the support member 2.

[0010] Furthermore, the fixing mechanism 2 includes a connecting piece 3 fixedly installed on the front side of the outer surface of the threaded sleeve, a fixing shaft 2 is fixedly installed inside the slot 1, a transmission rod is arranged inside the slot 1, a sliding groove is penetrated on the left end surface of the transmission rod, and the fixing shaft 2 is slidably connected to the sliding groove.

[0011] Furthermore, the rear end of the transmission rod is rotatably connected to the connecting member 3, and a clamping plate is fixedly installed on the front end surface of the transmission rod, and the clamping plate is arranged in an arc shape.

[0012] Furthermore, the fixing mechanism three comprises a sleeve fixedly mounted on the rear end surface of the column, the sleeve is arranged on the upper side of the transmission rod, and a piston plate is slidably connected to the interior of the sleeve.

[0013] Furthermore, an air pipe is fixedly mounted on the lower end surface of the piston plate, the air pipe is rotatably connected to the transmission rod, a limiting cavity is provided inside the clamping plate, and a connecting pipe is provided between the air pipe and the limiting cavity.

[0014] Furthermore, both ends of the limiting cavity are slidably connected with telescopic rods, the ends of the clamping rod 1 and the clamping rod 2 are provided with slots corresponding to the telescopic rods, and both ends of the limiting cavity are provided with limiting blocks.

[0015] Furthermore, the fixing mechanism four includes a fixing column one fixedly installed in the middle of the upper end surface of the clamping rod one, and the outer surface of the fixing column one is rotatably connected to the connecting rod three, and a fixing column two fixedly installed in the middle of the upper end surface of the clamping rod two, and the outer surface of the fixing column two is rotatably connected to the connecting rod four.

[0016] Furthermore, a push plate is provided on the rear side of the optical lens body, a top block is fixedly mounted on the upper end surface of the push plate, and the connecting rod three and the connecting rod four are both rotatably connected to the push plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) This solution provides a fixing mechanism 1, and uses the symmetrically arranged clamping rod 1 and clamping rod 2 to cooperate with each other to form a scissor-shaped fixing structure to initially clamp and fix the optical lens body. At the same time, the self-locking property of the threaded rod is used to prevent the optical lens body from shaking and displacement during the cooling process.

[0019] (2) In this solution, by setting the second fixing mechanism, the transmission rod is deflected, and the clamping plate at the other end of the transmission rod is in close contact with the optical lens body, which cooperates with the first fixing mechanism to further enhance the fixing effect of the optical lens body;

[0020] (3) This solution sets the fixing mechanism 3, and when the transmission rod deflects, it squeezes the airbag, causing the gas inside the airbag to enter the inside of the limit cavity, thereby extending the telescopic rod and inserting it into the card slot, so that the fixing mechanism 1 and the fixing mechanism 2 form a whole, thereby improving the stability of the device;

[0021] (4) In this scheme, by setting a fixing mechanism 4, the fixing mechanism 4 is driven while the clamping rod 1 and the clamping rod 2 are deflected, so that the push plate is in close contact with the rear end of the optical lens body, thereby fixing the optical lens body in four directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the interior of the box of the present invention;

[0024] Figure 3 For the present invention Figure 3 The enlarged schematic diagram at A in the middle;

[0025] Figure 4 is a schematic diagram of a fixing mechanism 1 of the present invention;

[0026] Figure 5 For the present invention Figure 4 The enlarged schematic diagram of point B in the middle;

[0027] Figure 6 For the present invention Figure 4 sectional view of

[0028] Figure 7 For the present invention Figure 6 The enlarged schematic diagram at C in the middle;

[0029] Figure 8 For the present invention Figure 6 Enlarged schematic diagram at point D in the middle.

[0030] Description of the numbers in the figure:

[0031] 1. Box body; 2. Cabinet door; 3. Handle; 4. Column; 5. Notch 1; 6. Notch 2; 7. Motor; 8. Threaded rod; 9. Fixed shaft 1; 10. Clamp rod 1; 11. Clamp rod 2; 12. Placement plate; 13. Optical lens body; 14. Support member 1; 15. Connecting rod 1; 16. Threaded sleeve; 17. Connecting member 1; 18. Support member 2; 19. Connecting rod 2; 20. Connecting member 2; 21. Fixed shaft 2; 22. Connecting member 3; 23. Transmission rod; 24. Slide; 25. Clamp plate; 26. Sleeve; 27. Piston plate; 28. Air pipe; 29. ​​Connecting pipe; 30. Limiting cavity; 31. Telescopic rod; 32. Slot; 33. Fixed column 1; 34. Connecting rod 3; 35. Fixed column 2; 36. Connecting rod 4; 37. Top block; 38. Push plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0033] See also Figures 1 to 8A cooling device for an optical lens molding mold comprises a box body 1, a refrigerator is fixedly installed inside the box body 1, a cabinet door 2 is hingedly connected to the front end surface of the box body 1, a handle 3 is fixedly installed on the front end surface of the cabinet door 2, a column 4 is fixedly installed inside the box body 1, a slot 1 5 and a slot 2 6 are opened on the front end surface of the column 4, the slot 1 5 is arranged on the upper side of the slot 2 6, a fixing mechanism 1 is arranged inside the slot 2 6, a fixing mechanism 2 is arranged inside the slot 1 5, a fixing mechanism 3 is arranged inside the fixing mechanism 2, and a fixing mechanism 1 is provided inside the fixing mechanism 1. A fixing mechanism four is arranged inside, and the fixing mechanism one includes a motor 7 fixedly installed on the lower end surface of the inner part of the box body 1, and a threaded rod 8 is fixedly installed on the end of the output shaft at the upper end of the motor 7, and the upper end of the threaded rod 8 is rotatably connected to the box body 1. A fixing shaft 9 is fixedly installed inside the slot 2 6, and a clamping rod 10 and a clamping rod 11 are arranged inside the slot 2 6. The clamping rod 10 and the clamping rod 11 are both rotatably connected to the fixing shaft 9, and the clamping rod 10 and the clamping rod 11 are symmetrically arranged, and the clamping rod 10 and the clamping rod 11 are both S-shaped.

[0034] Furthermore, a placement plate 12 is fixedly installed on the front end face of the column 4, and a plurality of through holes are provided on the lower end face of the placement plate 12. An optical lens body 13 is arranged on the upper side of the placement plate 12. A support member 14 is rotatably connected to the rear side of the upper end face of the clamping rod 11. A threaded sleeve 16 is spirally connected to the outer surface of the threaded rod 8. A connecting member 17 is fixedly installed on the left side of the outer surface of the threaded sleeve 16. A connecting rod 15 is rotatably connected between the connecting member 17 and the support member 14. A support member 18 is rotatably connected to the rear side of the upper end face of the clamping rod 10. A connecting member 20 is fixedly installed on the right side of the outer surface of the threaded sleeve 16. A connecting rod 19 is rotatably connected between the connecting member 20 and the support member 18.

[0035] In actual use, the fixing method for the optical lens is usually loose, which will cause a series of problems during air cooling. When the equipment uses an air cooler to cool the optical lens, especially a high-power air cooler, the blowing force is strong, which can easily cause the loosely fixed optical lens to vibrate and move, and even risk falling off. Once the optical lens falls off, it will not only cause damage to the lens itself, but may also affect the normal operation of the entire optical system. In addition, the detached lens may also cause damage to other components inside the equipment, further increasing maintenance costs and downtime. Therefore, this solution sets a fixing mechanism 1, and uses the symmetrically arranged clamping rod 10 and clamping rod 2 11 to cooperate with each other to form a scissor-shaped fixing structure to initially clamp and fix the optical lens body 13, and at the same time uses the self-locking property of the threaded rod 8 to prevent the optical lens body 13 from shaking and displacing during the cooling process.

[0036] First, open the cabinet door 2 and place the optical lens body 13 on the placement plate 12, then start the motor 7 to rotate the threaded rod 8, and the threaded sleeve 16 connected to the spiral transmission on the outer surface of the threaded rod 8 will rise. The rise of the threaded sleeve 16 will carry the connecting piece 17 and the connecting piece 20 to rise synchronously. The connecting piece 17 is rotatably connected to the support piece 14 on the clamping rod 2 11 through the connecting rod 15, and the connecting piece 20 is rotatably connected to the support piece 2 18 on the clamping rod 10 through the connecting rod 2 19. Therefore, as the threaded sleeve 16 rises, the rear ends of the clamping rod 10 and the clamping rod 2 11 will move toward the center. Because the clamping rod 10 and the clamping rod 2 11 are arranged in a scissor-shaped structure, the front ends of the clamping rod 10 and the clamping rod 2 11 will move toward the optical lens body 13 synchronously, and the optical lens body 13 will be initially clamped and fixed.

[0037] The fixing mechanism 2 includes a connecting piece 3 22 fixedly installed on the outer front side of the threaded sleeve 16, a fixing shaft 21 is fixedly installed inside the notch 1 5, a transmission rod 23 is arranged inside the notch 1 5, a slide groove 24 is penetrated through the left end surface of the transmission rod 23, the fixing shaft 21 is slidably connected to the slide groove 24, the rear end of the transmission rod 23 is rotatably connected to the connecting piece 3 22, and a clamping plate 25 is fixedly installed on the front end surface of the transmission rod 23, and the clamping plate 25 is arranged in an arc shape.

[0038] Secondly, the threaded sleeve 16 will also synchronously carry the connecting piece three 22 to rise. The connecting piece three 22 is rotatably connected to one end of the transmission rod 23, so the transmission rod 23 will deflect around the fixed axis two 21, and the setting of the slide groove 24 can offset the conflict between the deflection of the transmission rod 23 and the threaded sleeve 16. The other end of the transmission rod 23 will carry the splint 25 to fit tightly against the optical lens body 13, and cooperate with the fixing mechanism one to further enhance the fixing effect of the optical lens body 13.

[0039] The fixing mechanism three includes a sleeve 26 fixedly installed on the rear end face of the column 4, the sleeve 26 is arranged on the upper side of the transmission rod 23, the interior of the sleeve 26 is slidably connected with a piston plate 27, the lower end face of the piston plate 27 is fixedly installed with an air pipe 28, the air pipe 28 is rotatably connected to the transmission rod 23, a limiting cavity 30 is provided inside the clamp 25, a connecting pipe 29 is provided between the air pipe 28 and the limiting cavity 30, both ends of the limiting cavity 30 are slidably connected with a telescopic rod 31, the ends of the clamp rod 1 10 and the clamp rod 2 11 are provided with a slot 32 corresponding to the telescopic rod 31, and both ends of the limiting cavity 30 are provided with a limiting block.

[0040] The counterclockwise deflection of the transmission rod 23 will drive the piston plate 27 to rise inside the sleeve 26 by rotating the connected air pipe 28, and squeeze the gas inside the sleeve 26, so that the gas inside the sleeve 26 enters the interior of the limiting cavity 30 through the air pipe 28 and the connecting pipe 29, thereby extending the telescopic rod 31 at both ends of the limiting cavity 30 and inserting it into the interior of the card groove 32 on the clamping rod 1 10 and the clamping rod 2 11, so that the fixing mechanism 1, the fixing mechanism 2 and the fixing mechanism 3 form a whole, thereby improving the stability of the equipment.

[0041] The fixing mechanism four includes a fixing column 1 33 fixedly installed in the middle of the upper end surface of the clamping rod 10, the outer surface of the fixing column 1 33 is rotatably connected to a connecting rod 3 34, a fixing column 2 35 fixedly installed in the middle of the upper end surface of the clamping rod 2 11, the outer surface of the fixing column 2 35 is rotatably connected to a connecting rod 4 36, a push plate 38 is provided on the rear side of the optical lens body 13, a top block 37 is fixedly installed on the upper end surface of the push plate 38, and the connecting rods 3 34 and 4 36 are both rotatably connected to the push plate 38.

[0042] When the front ends of clamp rod 10 and clamp rod 2 11 move toward each other, clamp rod 10 will cause fixed column 1 33 to be displaced, and clamp rod 2 11 will cause fixed column 2 35 to be displaced. Fixed column 1 33 is rotatably connected to the top block 37 on the push plate 38 through connecting rod 3 34, and fixed column 2 35 is rotatably connected to the top block 37 on the push plate 38 through connecting rod 4 36. The two cooperate with each other to push the push plate 38 toward the optical lens body 13 to fix the rear end of the optical lens body 13.

[0043] Directions:

[0044] First, open the cabinet door 2 and place the optical lens body 13 on the placement plate 12, then start the motor 7 to rotate the threaded rod 8, and the threaded sleeve 16 connected to the spiral transmission on the outer surface of the threaded rod 8 will rise. The rise of the threaded sleeve 16 will carry the connecting piece 17 and the connecting piece 20 to rise synchronously. The connecting piece 17 is rotatably connected to the support piece 14 on the clamping rod 2 11 through the connecting rod 15, and the connecting piece 20 is rotatably connected to the support piece 2 18 on the clamping rod 10 through the connecting rod 2 19. Therefore, as the threaded sleeve 16 rises, the rear ends of the clamping rod 10 and the clamping rod 2 11 will move toward the center. Because the clamping rod 10 and the clamping rod 2 11 are arranged in a scissor-shaped structure, the front ends of the clamping rod 10 and the clamping rod 2 11 will move toward the optical lens body 13 synchronously, and the optical lens body 13 is initially clamped and fixed;

[0045] Secondly, the threaded sleeve 16 will also synchronously carry the connecting member 3 22 to rise, and the connecting member 3 22 is rotatably connected to one end of the transmission rod 23, so the transmission rod 23 will deflect around the fixed axis 21, and the setting of the slide groove 24 can offset the conflict between the deflection of the transmission rod 23 and the threaded sleeve 16, and the other end of the transmission rod 23 will carry the clamping plate 25 to be in close contact with the optical lens body 13, and cooperate with the fixing mechanism 1 to further strengthen the fixing effect of the optical lens body 13;

[0046] The counterclockwise deflection of the transmission rod 23 drives the piston plate 27 to rise inside the sleeve 26 by rotating the connected air pipe 28, and squeezes the gas inside the sleeve 26, so that the gas inside the sleeve 26 enters the interior of the limiting cavity 30 through the air pipe 28 and the connecting pipe 29, thereby extending the telescopic rods 31 at both ends of the limiting cavity 30 and inserting them into the slots 32 on the clamping rod 10 and the clamping rod 2 11, so that the fixing mechanism 1, the fixing mechanism 2 and the fixing mechanism 3 form a whole, thereby improving the stability of the device;

[0047] When the front ends of clamp rod 10 and clamp rod 2 11 move toward each other, clamp rod 10 will cause fixed column 1 33 to be displaced, and clamp rod 2 11 will cause fixed column 2 35 to be displaced. Fixed column 1 33 is rotatably connected to the top block 37 on the push plate 38 through connecting rod 3 34, and fixed column 2 35 is rotatably connected to the top block 37 on the push plate 38 through connecting rod 4 36. The two cooperate with each other to push the push plate 38 toward the optical lens body 13 to fix the rear end of the optical lens body 13.

[0048] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An optical lens molding mold cooling device, comprising a box (1), characterized in that: A refrigerator is fixedly installed inside the box body (1); a cabinet door (2) is hingedly connected to the front end surface of the box body (1); a handle (3) is fixedly installed on the front end surface of the cabinet door (2); a column (4) is fixedly installed inside the box body (1); a slot 1 (5) and a slot 2 (6) are provided on the front end surface of the column (4); the slot 1 (5) is arranged on the upper side of the slot 2 (6); a fixing mechanism 1 is arranged inside the slot 2 (6); a fixing mechanism 2 is arranged inside the slot 1 (5); a fixing mechanism 3 is arranged inside the fixing mechanism 2; a fixing mechanism 4 is arranged inside the fixing mechanism 1; the fixing mechanism 1 includes a motor (7) fixedly installed on the lower end surface of the box body (1); the upper end of the motor (7) is A threaded rod (8) is fixedly installed at the end of the output shaft, the upper end of the threaded rod (8) is rotatably connected to the box body (1), a fixed shaft (9) is fixedly installed inside the second slot (6), a clamping rod (10) and a clamping rod (11) are arranged inside the second slot (6), the clamping rod (10) and the clamping rod (11) are both rotatably connected to the fixed shaft (9), and the clamping rod (10) and the clamping rod (11) are symmetrically arranged, and the clamping rod (10) and the clamping rod (11) are both S-shaped, the front end surface of the column (4) is fixedly installed with a placement plate (12), the lower end surface of the placement plate (12) is provided with a plurality of through holes, the upper side of the placement plate (12) is provided with an optical lens body (13), and the clamping rod (11) is provided with a plurality of through holes. ) is rotatably connected to a support member 1 (14) at the rear side of the upper end surface; a threaded sleeve (16) is spirally connected to the outer surface of the threaded rod (8); a connecting member 1 (17) is fixedly installed on the left side of the outer surface of the threaded sleeve (16); a connecting rod 1 (15) is rotatably connected between the connecting member 1 (17) and the support member 1 (14); a support member 2 (18) is rotatably connected to the rear side of the upper end surface of the clamping rod 1 (10); a connecting member 2 (20) is fixedly installed on the right side of the outer surface of the threaded sleeve (16); a connecting rod 2 (19) is rotatably connected between the connecting member 2 (20) and the support member 2 (18); the fixing mechanism 2 includes a connecting member 3 (22) fixedly installed on the front side of the outer surface of the threaded sleeve (16); the inner portion of the notch 1 (5) A second fixed shaft (21) is fixedly installed, a transmission rod (23) is arranged inside the notch (5), a slide groove (24) is penetrated through the left end surface of the transmission rod (23), the second fixed shaft (21) is slidably connected to the slide groove (24), the rear end of the transmission rod (23) is rotatably connected to the third connecting member (22), a clamping plate (25) is fixedly installed on the front end surface of the transmission rod (23), the clamping plate (25) is arranged in an arc shape, the fixing mechanism three comprises a sleeve (26) fixedly installed on the rear end surface of the column (4), the sleeve (26) is arranged on the upper side of the transmission rod (23), a piston plate (27) is slidably connected inside the sleeve (26), and an air pipe (28) is fixedly installed on the lower end surface of the piston plate (27),The air pipe (28) is rotatably connected to the transmission rod (23); a limit cavity (30) is provided inside the clamping plate (25); a connecting pipe (29) is provided between the air pipe (28) and the limit cavity (30); telescopic rods (31) are slidably connected to both ends of the limit cavity (30); slots (32) are provided at the ends of the clamping rod 1 (10) and the clamping rod 2 (11) corresponding to the telescopic rod (31); limit blocks are provided at both ends of the limit cavity (30); the fixing mechanism 4 includes a clamping rod 1 (10); A fixing column 1 (33) is fixedly installed in the middle of the upper end surface, and the outer surface of the fixing column 1 (33) is rotatably connected to a connecting rod 3 (34). A fixing column 2 (35) is fixedly installed in the middle of the upper end surface of the clamping rod 2 (11), and the outer surface of the fixing column 2 (35) is rotatably connected to a connecting rod 4 (36). A push plate (38) is arranged at the rear side of the optical lens body (13), and a top block (37) is fixedly installed on the upper end surface of the push plate (38). Both the connecting rod 3 (34) and the connecting rod 4 (36) are rotatably connected to the push plate (38).

Images