CN216050621U

CN216050621U - High-efficient detection device of optical lens MTF

Info

Publication number: CN216050621U
Application number: CN202122733672.1U
Authority: CN
Inventors: 张诗婷; 赵威巍; 何凯福
Original assignee: Shangrao Junhan Optical Instrument Co ltd
Current assignee: Shangrao Junhan Optical Instrument Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-15
Anticipated expiration: 2031-11-09

Abstract

The utility model belongs to the technical field of optical lens detection, and discloses an optical lens MTF (modulation transfer function) efficient detection device which comprises a bottom plate, wherein a drive plate and a support plate are fixedly arranged at the top of the bottom plate, a top plate is fixed between the drive plate and the top of the support plate, a transverse shaft is rotatably arranged at one side of the drive plate close to the support plate, one end of the transverse shaft is fixedly provided with a track plate, one side of the track plate is slidably provided with an adjusting block, a detection probe is fixed on the adjusting block, a box body is fixed at one side of the support plate close to the drive plate, lifting rods are slidably arranged at the top and the bottom of the box body, and a transverse plate is fixed at one end of each lifting rod; the optical lens detection device can fix optical lenses with different sizes and dimensions, drive the optical lenses to rotate, facilitate multi-azimuth detection of the optical lenses, realize large-range position adjustment of the detection probe in a plane, facilitate multi-position detection of the optical lenses, and improve detection accuracy.

Description

High-efficient detection device of optical lens MTF

Technical Field

The utility model relates to the technical field of optical lens detection, in particular to an optical lens MTF (modulation transfer function) efficient detection device.

Background

The prior art has the following defects: when an existing detection mechanism detects an optical lens, the optical lens with different sizes cannot be detected, so that the detection mechanism cannot have good adaptability, different parts of the optical lens cannot be detected in the detection process, and the accuracy of lens detection can be affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an optical lens MTF high-efficiency detection device, which overcomes the defects of the prior art and aims to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-efficient detection device of optical lens MTF, includes the bottom plate, the top fixed mounting of bottom plate has drive plate and backup pad, be fixed with the roof between the top of drive plate and backup pad, one side that the drive plate is close to the backup pad is rotated and is installed the cross axle, and the one end of cross axle is fixed with the track board, and one side slidable mounting of track board has the regulating block, be fixed with test probe on the regulating block, one side that the backup pad is close to the drive plate is fixed with the box, and the top and the bottom slidable mounting of box have the lifter, and the one end of lifter is fixed with the diaphragm, and the one end of two diaphragms relative one side is fixed with the cylinder, and the one end of cylinder is rotated and is installed the cylinder pole, and the one end of cylinder pole is fixed with the grip block.

As a preferred technical scheme of the utility model, a cavity is arranged on the drive plate, one end of the transverse shaft, far away from the track plate, is rotatably connected with the inner wall of the cavity, a gear is fixedly sleeved on the transverse shaft, a push rod motor is fixedly arranged in the cavity, a rack meshed with the gear is slidably arranged in the cavity, and a push rod of the push rod motor is in transmission connection with the rack.

As a preferred technical scheme of the utility model, one side of the track plate, which is close to the adjusting block, is provided with a groove, the adjusting block is in sliding connection with the inner wall of the groove, a screw rod in threaded connection with the adjusting block is rotatably installed in the groove, and a speed reduction motor for driving the screw rod to rotate is installed in the groove.

As a preferred technical scheme of the utility model, the cylinder body is of a cavity structure, a low-speed motor is fixedly arranged in the cylinder body, and an output shaft of the low-speed motor is in transmission connection with the cylindrical rod.

As a preferred technical scheme of the utility model, electric push rods are fixed on the inner walls of the top and the bottom of the box body, two movable plates are slidably mounted in the box body, one end of the lifting rod, which is far away from the transverse plate, is fixedly connected with the movable plates, and the push rods of the electric push rods are fixedly connected with the movable plates.

As a preferable technical scheme, the top of the box body is provided with vertical holes, one end of the lifting rod, which is far away from the transverse plate, penetrates through the vertical holes, and the lifting rod is connected with the inner walls of the vertical holes in a sliding manner.

The utility model has the beneficial effects that:

drive the fly leaf through electric putter and go up and down to drive the lifter elevating movement, drive diaphragm and cylinder lifting control, indirectly drive cylinder pole, grip block lifting control, two grip blocks are close to each other and carry out the centre gripping to optical lens and fix, and fixed optical lens of different sizes can drive the cylinder pole through low-speed motor simultaneously and rotate, drives the grip block and rotates, drives optical lens and rotates, is convenient for detect the optical lens diversely.

Drive the lead screw through gear motor and rotate, drive the regulating block and remove, adjust test probe's position, drive the rack through the push rod motor and remove and drive the gear and rotate, drive the cross axle and rotate, drive the track board and rotate, the removal of cooperation test probe on the track board realizes test probe position control on a large scale in the plane, is convenient for carry out the multiposition to optical lens and detects, and is compatible good, improves and detects the precision.

The optical lens detection device can fix optical lenses with different sizes and dimensions, drive the optical lenses to rotate, facilitate multi-azimuth detection of the optical lenses, realize large-range position adjustment of the detection probe in a plane, facilitate multi-position detection of the optical lenses, and improve detection accuracy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of a driving plate and a track plate according to the present invention;

fig. 3 is a schematic view of the structure of the box body and the column body of the utility model.

In the figure: 1. a base plate; 2. a drive plate; 3. a support plate; 4. a top plate; 5. a horizontal axis; 6. a track plate; 7. an adjusting block; 8. detecting a probe; 9. a box body; 10. a lifting rod; 11. a transverse plate; 12. a cylinder; 13. a movable plate; 14. a cylindrical rod; 15. a clamping plate; 16. a gear; 17. A rack; 18. a push rod motor; 19. a screw rod; 20. a reduction motor; 21. a low-speed motor; 22. An electric push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a high-efficient detection device of optical lens MTF, including bottom plate 1, the top fixed mounting of bottom plate 1 has drive plate 2 and backup pad 3, be fixed with roof 4 between the top of drive plate 2 and backup pad 3, one side that drive plate 2 is close to backup pad 3 is rotated and is installed cross axle 5, and the one end of cross axle 5 is fixed with track board 6, and one side slidable mounting of track board 6 has regulating block 7, be fixed with test probe 8 on the regulating block 7, one side that backup pad 3 is close to drive plate 2 is fixed with box 9, and the top and the bottom slidable mounting of box 9 have lifter 10, and the one end of lifter 10 is fixed with diaphragm 11, and the one end of two opposite one sides of diaphragm 11 is fixed with cylinder 12, and the one end of cylinder 12 is rotated and is installed cylinder pole 14, and the one end of cylinder pole 14 is fixed with grip block 15.

Referring to fig. 2, a cavity is formed in the drive plate 2, one end, far away from the track plate 6, of the transverse shaft 5 is rotatably connected with the inner wall of the cavity, a gear 16 is fixedly sleeved on the transverse shaft 5, a push rod motor 18 is fixedly installed in the cavity, a rack 17 meshed with the gear 16 is slidably installed in the cavity, and a push rod of the push rod motor 18 is in transmission connection with the rack 17. The push rod motor 18 drives the rack 17 to move so as to drive the gear 16 to rotate, and the transverse shaft 5 is driven to rotate for adjustment.

Referring to fig. 2, a groove is formed in one side of the track plate 6 close to the adjusting block 7, the adjusting block 7 is slidably connected with the inner wall of the groove, a screw rod 19 in threaded connection with the adjusting block 7 is rotatably mounted in the groove, and a speed reduction motor 20 for driving the screw rod 19 to rotate is mounted in the groove. The lead screw 19 is driven to rotate by the speed reducing motor 20, the adjusting block 7 is driven to move, and the position of the detection probe 8 is adjusted.

Referring to fig. 3, the cylinder 12 is a hollow structure, a low-speed motor 21 is fixedly installed in the cylinder 12, and an output shaft of the low-speed motor 21 is in transmission connection with the cylindrical rod 14. The low-speed motor 21 drives the cylindrical rod 14 to rotate, and drives the clamping plate 15 to rotate, so as to drive the optical lens to rotate and adjust.

Referring to fig. 3, electric push rods 22 are fixed on the top inner wall and the bottom inner wall of the box 9, two movable plates 13 are slidably mounted in the box 9, one end of the lifting rod 10, which is far away from the transverse plate 11, is fixedly connected with the movable plates 13, and a push rod of the electric push rod 22 is fixedly connected with the movable plates 13. The movable plate 13 is driven by the electric push rod 22 to lift and drive the lifting rod 10 to lift and adjust.

Vertical holes are formed in the top of the box body 9, one end, far away from the transverse plate 11, of the lifting rod 10 penetrates through the vertical holes, and the lifting rod 10 is connected with the inner wall of each vertical hole in a sliding mode. The lifting rod 10 is provided with a mounting rail through the vertical hole.

The working principle is as follows: drive fly leaf 13 through electric putter 22 and go up and down to drive lifter 10 elevating movement, drive diaphragm and cylinder 12 lifting control, indirectly drive cylinder pole 14, grip block 15 lifting control, two grip blocks 15 are close to each other and carry out the centre gripping to optical lens fixed, fix optical lens of different sizes, can drive cylinder pole 14 through low-speed motor 21 simultaneously and rotate, drive grip block 15 and rotate, drive optical lens and rotate, be convenient for detect the optical lens is diversified. The lead screw 19 is driven to rotate through the speed reducing motor 20, the adjusting block 7 is driven to move, the position of the detection probe 8 is adjusted, the rack 17 is driven to move through the push rod motor 18 to drive the gear 16 to rotate, the cross shaft 5 is driven to rotate, the track plate 6 is driven to rotate, the movement of the detection probe 8 on the track plate 6 is matched, the position of the detection probe 8 in a large range in a plane is adjusted, the optical lens can be conveniently subjected to multi-position detection, the compatibility is good, and the detection precision is improved.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient detection device of optical lens MTF, includes bottom plate (1), its characterized in that, the top fixed mounting of bottom plate (1) has drive plate (2) and backup pad (3), be fixed with roof (4) between the top of drive plate (2) and backup pad (3), one side that drive plate (2) are close to backup pad (3) is rotated and is installed cross axle (5), and the one end of cross axle (5) is fixed with track board (6), and one side slidable mounting of track board (6) has regulating block (7), be fixed with on regulating block (7) test probe (8), one side that backup pad (3) are close to drive plate (2) is fixed with box (9), and the top and the bottom slidable mounting of box (9) have lifter (10), and the one end of lifter (10) is fixed with diaphragm (11), and the one end of two opposite sides of diaphragm (11) is fixed with cylinder (12), one end of the column body (12) is rotatably provided with a column rod (14), and one end of the column rod (14) is fixed with a clamping plate (15).

2. The efficient detection device for the MTF of the optical lens according to claim 1, wherein a cavity is formed in the driving plate (2), one end of the transverse shaft (5) far away from the track plate (6) is rotatably connected with the inner wall of the cavity, a gear (16) is fixedly sleeved on the transverse shaft (5), a push rod motor (18) is fixedly installed in the cavity, a rack (17) meshed with the gear (16) is slidably installed in the cavity, and a push rod of the push rod motor (18) is in transmission connection with the rack (17).

3. The device for detecting MTF of an optical lens of claim 2, wherein a groove is formed on one side of the track plate (6) close to the adjusting block (7), the adjusting block (7) is slidably connected with the inner wall of the groove, a screw rod (19) in threaded connection with the adjusting block (7) is rotatably installed in the groove, and a speed reduction motor (20) for driving the screw rod (19) to rotate is installed in the groove.

4. The device for detecting MTF of an optical lens of claim 1, wherein the cylinder (12) is a hollow structure, a low-speed motor (21) is fixedly installed in the cylinder (12), and an output shaft of the low-speed motor (21) is in transmission connection with the cylindrical rod (14).

5. The efficient detection device for MTF of optical lenses according to claim 1, wherein an electric push rod (22) is fixed on the top inner wall and the bottom inner wall of the box (9), two movable plates (13) are slidably mounted in the box (9), one end of the lifting rod (10) far away from the transverse plate (11) is fixedly connected with the movable plates (13), and a push rod of the electric push rod (22) is fixedly connected with the movable plates (13).

6. The efficient detection device for MTF of optical lenses according to claim 5, wherein vertical holes are formed in the top of the box (9), one end of the lifting rod (10) far away from the transverse plate (11) penetrates through the vertical holes, and the lifting rod (10) is connected with the inner wall of the vertical holes in a sliding manner.