CN214251473U

CN214251473U - Detection device for detecting transmission wave surface of aspheric lens

Info

Publication number: CN214251473U
Application number: CN202120113193.7U
Authority: CN
Inventors: 张华民
Original assignee: Danyang Xinye Optical Instrument Co ltd
Current assignee: Danyang Xinye Optical Instrument Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-09-21
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a detect aspheric lens transmission wave surface detection device relates to an aspheric lens technical field, the on-line screen storage device comprises a base, the top bilateral symmetry fixedly connected with guiding axle of base, the outer fixed surface of guiding axle is connected with the scale, the top of base is provided with the screw thread axle, the top fixedly connected with hand wheel of screw thread axle, and be provided with the connecting plate on the screw thread axle, the front side fixedly connected with mounting bracket of connecting plate, and the rear side fixedly connected with axle sleeve of connecting plate, fixedly connected with indicator on the axle sleeve. The utility model discloses in, use through the cooperation of fixed block, cavity, disc, pull rod, spring, movable block, fixed axle, dead lever and splint, can carry out the centre gripping to the lens of different specifications and fix, increased the stability of lens, application scope is wide, avoids the skew to appear in the testing process lens and influences the accuracy of testing result, has improved the detection accuracy.

Description

Detection device for detecting transmission wave surface of aspheric lens

Technical Field

The utility model relates to an aspheric lens technical field specifically is a detect aspheric lens transmission wave surface detection device.

Background

The spherical lens has a constant curvature from the center to the edge of the lens, while the aspheric lens has a continuous change of curvature from the center to the edge, and the radius of curvature of the aspheric lens changes along with the central axis to improve the optical quality, reduce the optical elements and reduce the design cost.

Most of the existing detection devices cannot fix lenses of different specifications, the application range is narrow, the stability of the lenses is poor, and the accuracy of detection results of the lenses is easily influenced by deviation in the detection process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect aspheric lens transmission wave surface detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a detection device for detecting the transmission wave surface of an aspheric lens comprises a base, wherein guide shafts are symmetrically and fixedly connected with two sides of the top of the base, a graduated scale is fixedly connected with the outer surface of each guide shaft, a threaded shaft is arranged at the top of the base, a hand wheel is fixedly connected with the top of the threaded shaft, a connecting plate is arranged on the threaded shaft, a mounting frame is fixedly connected with the front side of the connecting plate, a shaft sleeve is fixedly connected with the rear side of the connecting plate, an indicating rod is fixedly connected onto the shaft sleeve, a detection lens is fixedly mounted on the mounting frame, a supporting table is fixedly connected with the top of the base, a fixed block is fixedly connected onto the top of the supporting table, a cavity is arranged inside the fixed block, a fixed shaft is fixedly connected inside the cavity, a spring is arranged on the fixed shaft, a movable block is arranged inside the cavity, and a fixed rod is fixedly connected onto one side of the movable block, and the other side of the movable block is fixedly connected with a pull rod, one end of the fixed rod, far away from the movable block, is fixedly connected with a clamping plate, and one end of the pull rod, far away from the movable block, is fixedly connected with a disc.

As a further aspect of the present invention: the bottom of threaded shaft passes through the bearing with the base and is connected, the guiding axle runs through in the axle sleeve, the axle sleeve passes through clearance fit with the guiding axle and is connected, the indicator lever is located the middle part of axle sleeve, the threaded shaft runs through in the connecting plate, the connecting plate passes through threaded connection with the threaded shaft.

As a further aspect of the present invention: the fixed axle runs through in the movable block, the movable block passes through clearance fit with the fixed axle and is connected, the surface at the fixed axle is established to the spring housing, the movable block passes through spring coupling with the inner wall of cavity, the one end that the movable block was kept away from to the pull rod runs through in the cavity and in the outside of fixed block, the disc is in the outside of fixed block, the one end that the movable block was kept away from to the fixed rod runs through in the cavity and in the outside of fixed block, splint are in the outside of fixed block.

As a further aspect of the present invention: the supporting table is of a square structure, the clamping plates are of arc-shaped structures, the fixing blocks and the clamping plates are all provided with four fixing blocks, the fixing blocks form rectangular structures, the clamping plates form circular structures, and the clamping plates are away from rubber pads fixedly connected to the outer surfaces of one sides of the fixing rods.

As a further aspect of the present invention: the detection lens is located right above the clamping plate, and the threaded shaft is located between the guide shaft and the supporting table.

As a further aspect of the present invention: the shaft sleeve is made of a perspective material.

Compared with the prior art, the beneficial effects of the utility model are that: through the fixed block, the cavity, the disc, the pull rod, a spring, the movable block, the fixed axle, the cooperation of dead lever and splint is used, can carry out the centre gripping to the lens of different specifications fixed, the stability of lens has been increased, application scope is wide, avoid the skew to appear in the testing process lens and influence the accuracy of testing result, the detection accuracy has been improved, through the screw thread axle, the guiding axle, the axle sleeve, the pilot lever, the connecting plate, the pilot lever, the cooperation of mounting bracket and measuring camera lens is used, can drive measuring camera lens and remove in vertical direction, and then detect lens, can control the distance that measuring camera lens removed in vertical direction more accurately simultaneously, be convenient for detect, the practicality has been strengthened.

Drawings

FIG. 1 is a schematic structural diagram of a front view of a detection apparatus for detecting a transmitted wavefront of an aspheric lens.

FIG. 2 is a schematic structural diagram of a base side sectional view of an inspection apparatus for inspecting a transmission wavefront of an aspheric lens.

FIG. 3 is a schematic structural diagram of a cross-sectional top view of a supporting platform of an inspection apparatus for inspecting a transmission wavefront of an aspheric lens.

The labels in the figure are: 1. a base; 2. a guide shaft; 3. a support table; 4. a fixed block; 5. a graduated scale; 6. a connecting plate; 7. a mounting frame; 8. a threaded shaft; 9. a hand wheel; 10. detecting a lens; 11. a disc; 12. a shaft sleeve; 13. an indication lever; 14. a cavity; 15. a pull rod; 16. a spring; 17. a movable block; 18. a fixed shaft; 19. fixing the rod; 20. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a device for detecting a transmission wavefront of an aspheric lens includes a base 1, guide shafts 2 are symmetrically and fixedly connected to both sides of the top of the base 1, a scale 5 is fixedly connected to the outer surface of the guide shafts 2, a threaded shaft 8 is disposed on the top of the base 1, a handwheel 9 is fixedly connected to the top of the threaded shaft 8, a connecting plate 6 is disposed on the threaded shaft 8, a mounting frame 7 is fixedly connected to the front side of the connecting plate 6, a shaft sleeve 12 is fixedly connected to the rear side of the connecting plate 6, an indicating rod 13 is fixedly connected to the shaft sleeve 12, a detecting lens 10 is fixedly mounted on the mounting frame 7, a supporting table 3 is fixedly connected to the top of the base 1, a fixed block 4 is fixedly connected to the top of the supporting table 3, a cavity 14 is disposed inside the fixed block 4, a fixed shaft 18 is fixedly connected to the inside of the cavity 14, and a spring 16 is disposed on the fixed shaft 18, the cavity 14 is internally provided with a movable block 17, one side of the movable block 17 is fixedly connected with a fixed rod 19, the other side of the movable block 17 is fixedly connected with a pull rod 15, one end of the fixed rod 19, far away from the movable block 17, is fixedly connected with a clamping plate 20, and one end of the pull rod 15, far away from the movable block 17, is fixedly connected with a disc 11.

Please refer to fig. 1 and 2, the bottom of the threaded shaft 8 is connected to the base 1 through a bearing, the guide shaft 2 penetrates through the shaft sleeve 12, the shaft sleeve 12 is connected to the guide shaft 2 through clearance fit, the indication rod 13 is located in the middle of the shaft sleeve 12, the threaded shaft 8 penetrates through the connecting plate 6, the connecting plate 6 is connected to the threaded shaft 8 through threads, through the threaded shaft 8, the guide shaft 2, the shaft sleeve 12, the indication rod 13, the connecting plate 6, the indication rod 13, the mounting bracket 7 and the detection lens 10, the detection lens 10 can be driven to move in the vertical direction, and then the detection is performed on the lens, and meanwhile, the distance of the detection lens 10 moving in the vertical direction can be controlled more accurately, so that the detection is facilitated, and the practicability is enhanced.

Referring to fig. 1, 2 and 3, a fixed shaft 18 penetrates through a movable block 17, the movable block 17 is connected with the fixed shaft 18 through clearance fit, a spring 16 is sleeved on the outer surface of the fixed shaft 18, the movable block 17 is connected with the inner wall of a cavity 14 through the spring 16, one end of a pull rod 15, which is far away from the movable block 17, penetrates through the cavity 14 and is positioned outside the fixed block 4, a disc 11 is positioned outside the fixed block 4, one end of a fixed rod 19, which is far away from the movable block 17, penetrates through the cavity 14 and is positioned outside the fixed block 4, and a clamping plate 20 is positioned outside the fixed block 4, the cavity 14, the disc 11, the pull rod 15, the spring 16, the movable block 17, the fixed shaft 18, the fixed rod 19 and the clamping plate 20 are arranged, so that lenses of different specifications can be clamped and fixed, the stability of the lenses is increased, the application range is wide, and the accuracy of the detection result is prevented from being influenced by the displacement of the lenses in the detection process, the detection accuracy is improved.

Referring to fig. 1, 2 and 3, the supporting platform 3 is a square structure, the clamping plates 20 are arc-shaped structures, four fixing blocks 4 and four clamping plates 20 are arranged, the four fixing blocks 4 form a rectangular structure, the four clamping plates 20 form a circular structure, rubber pads are fixedly connected to the outer surfaces of the four clamping plates 20 on the sides far away from the fixing rod 19, and the clamping plates 20 are arranged to be arc-shaped structures, so that the lens lenses to be detected can be clamped and fixed conveniently.

Referring to fig. 1, 2 and 3, the detection lens 10 is located right above the clamp plate 20, the threaded shaft 8 is located between the guide shaft 2 and the support table 3, and the detection lens 10 is disposed to facilitate detection of the transmission wavefront of the aspheric lens.

Referring to fig. 2, the shaft sleeve 12 is made of a transparent material, and the shaft sleeve 12 is made of the transparent material, so that data on the scale 5 can be read conveniently.

The utility model discloses a theory of operation is: in the operation process, firstly, the disc 11 is pulled towards the direction far away from the support table 3, the disc 11 drives the four clamping plates 20 to be far away from each other through the pull rod 15 and the movable block 17, then the lens to be detected is placed between the four clamping plates 20, then the force applied to the fixed block 4 is relieved, the spring 16 pushes the clamping plates 20 to clamp and fix the lens under the action of the elastic force, due to the adjustability of the spring 16, the clamping plates 20 can clamp and fix the lenses with different specifications, the application range is wide, the stability of the lens is increased, the phenomenon that the accuracy of a detection result is influenced due to the fact that the lens deviates in the detection process is avoided, the detection accuracy is improved, the rubber pads are arranged on the clamping plates 20, the lens can be prevented from being damaged, then the hand wheel 9 is rotated, the hand wheel 9 drives the threaded shaft 8 to rotate, under the action of threads, the threaded shaft 8 pushes the connecting plate 6 to move in the vertical direction, and then drive measuring camera lens 10 and remove in vertical direction, and then detect the lens, when connecting plate 6 removed in vertical direction, axle sleeve 12 slided on guiding axle 2, can lead, avoids connecting plate 6 to take place the skew, and the pointer bar 13 on the axle sleeve 12 cooperates with scale 5 on the guiding axle 2 simultaneously, can control measuring camera lens 10 more accurately in the distance that vertical direction removed, is convenient for detect, has strengthened the practicality.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a detect aspheric lens transmission wave surface detection device, includes base (1), its characterized in that: the top bilateral symmetry fixedly connected with guiding axle (2) of base (1), the external fixed surface of guiding axle (2) is connected with scale (5), the top of base (1) is provided with screw thread axle (8), the top fixedly connected with hand wheel (9) of screw thread axle (8), and be provided with connecting plate (6) on screw thread axle (8), the front side fixedly connected with mounting bracket (7) of connecting plate (6), and the rear side fixedly connected with axle sleeve (12) of connecting plate (6), fixedly connected with indicator pole (13) on axle sleeve (12), fixed mounting has detection camera lens (10) on mounting bracket (7), the top fixedly connected with brace table (3) of base (1), the top fixedly connected with fixed block (4) of brace table (3), the inside of fixed block (4) is provided with cavity (14), the inside fixedly connected with fixed axle (18) of cavity (14), be provided with spring (16) on fixed axle (18), the inside of cavity (14) is provided with movable block (17), one side fixedly connected with dead lever (19) of movable block (17), and opposite side fixedly connected with pull rod (15) of movable block (17), the one end fixedly connected with splint (20) of movable block (17) are kept away from in dead lever (19), the one end fixedly connected with disc (11) of movable block (17) are kept away from in pull rod (15).

2. The inspection apparatus for inspecting a transmitted wavefront of an aspherical lens as defined in claim 1, wherein: the bottom and the base (1) of threaded shaft (8) are connected through the bearing, guiding axle (2) run through in axle sleeve (12), axle sleeve (12) are connected through clearance fit with guiding axle (2), indicator lever (13) are in the middle part of axle sleeve (12), threaded shaft (8) run through in connecting plate (6), connecting plate (6) pass through threaded connection with threaded shaft (8).

3. The inspection apparatus for inspecting a transmitted wavefront of an aspherical lens as defined in claim 1, wherein: the utility model discloses a fixing device for a motor vehicle, including fixed axle (18), movable block (17), spring (16), disc (11), dead lever (19), movable block (17), fixed axle (18), fixed axle (17) and fixed axle (18) are connected through clearance fit, the surface at fixed axle (18) is established in spring (16), the inner wall of movable block (17) and cavity (14) passes through spring (16) and is connected, the one end that movable block (17) were kept away from in pull rod (15) runs through in cavity (14) and is in the outside of fixed block (4), disc (11) are in the outside of fixed block (4), the one end that movable block (17) were kept away from in dead lever (19) runs through in cavity (14) and is in the outside of fixed block (4), splint (20) are in the outside of fixed block (4).

4. The inspection apparatus for inspecting a transmitted wavefront of an aspherical lens as defined in claim 1, wherein: brace table (3) are square structure, splint (20) are the arc structure, fixed block (4) and splint (20) all are provided with four, four fixed block (4) constitute the rectangle structure, four splint (20) constitute circular structure, four the equal fixedly connected with rubber pad of one side surface that dead lever (19) was kept away from in splint (20).

5. The inspection apparatus for inspecting a transmitted wavefront of an aspherical lens as defined in claim 1, wherein: the detection lens (10) is located right above the clamping plate (20), and the threaded shaft (8) is located between the guide shaft (2) and the supporting table (3).

6. The inspection apparatus for inspecting a transmitted wavefront of an aspherical lens as defined in claim 1, wherein: the shaft sleeve (12) is made of a perspective material.