CN219455990U

CN219455990U - Adjustable optical lens detection device

Info

Publication number: CN219455990U
Application number: CN202320663529.6U
Authority: CN
Inventors: 雷旺; 齐文博; 陈璐; 余建成
Original assignee: Chongqing Zhongke Rowing Ship Information Technology Co ltd
Current assignee: Chongqing Zhongke Rowing Ship Information Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-01
Anticipated expiration: 2033-03-30

Abstract

The utility model belongs to the technical field of optical detection, and particularly discloses an adjustable optical lens detection device which comprises an illumination beacon assembly, a fixing assembly, an adjusting assembly and a wavefront testing assembly, wherein the illumination beacon assembly comprises a first fixing frame and a lens; the fixing component comprises a second fixing frame; the adjusting component comprises a bottom plate, a rotating structure and a shifting structure, wherein the rotating structure comprises a rotating driving piece, an arc-shaped guide rail and a rotating arm; the rotary driving piece and the arc-shaped guide rail are fixed on the bottom plate; one side of the rotating arm can slide along the arc-shaped guide rail, and the upper end and the lower end of the other side of the rotating arm are respectively fixed with a translation structure and a rotary driving piece; the first fixing frame is fixed on the rotating arm, the second fixing frame is installed on the translation structure, and the translation structure can drive the second fixing frame to translate along the length direction of the rotating arm. The position of the lens to be detected can be adjusted through the rotating structure and the shifting structure, and the lens to be detected at different positions is detected, so that the defects of the lens can be accurately identified.

Description

Adjustable optical lens detection device

Technical Field

The utility model belongs to the technical field of optical detection, and particularly relates to an adjustable optical lens detection device.

Background

Optical lenses are an indispensable part of the machine vision field, and the quality of optical lenses directly affects the imaging quality. At present, aiming at quality defects such as flaws, bubbles, cracks and the like of an optical lens, the quality defects are difficult to accurately identify by naked eyes, and the quality detection is required to be carried out by means of an effective optical detection system, so that the high accuracy of an imaging effect is ensured.

Patent publication number CN208383758U discloses a lens detection device simulating the application environment of car lights, comprising: the device comprises a base and a placing table, wherein the placing table is arranged on the base and comprises a placing table and a height adjusting frame arranged at the bottom of the placing table, a pair of lugs is arranged on two sides of the placing table, a stand column is arranged on the base, a detector is arranged on the stand column, and the detector is positioned on the left side of the placing table; the height adjusting frame comprises a support seat and a support pair which is symmetrically arranged on the support seat by taking the central axis of the support seat as a center, wherein one opposite side of the support pair is provided with a chute in the vertical direction, rectangular holes are formed in two side walls of the chute, lugs are clamped in the chute, rectangular sheets are clamped in the rectangular holes in the same horizontal line of the two side walls of the chute to fix a storage table, the bottom of the support seat is connected with one end of a rotating shaft, and the other end of the rotating shaft is connected with an output shaft of a rotating motor. The rotating motor drives the height adjusting frame to rotate, so that the detector can collect information of each azimuth angle of the lens in the horizontal direction, the height adjusting frame is used for adjusting the distance between the object placing table and the detector, the pitch angle of an image taken by the detector is changed, and the accuracy of lens detection is improved.

According to the technical scheme, the distance between the object placing table and the detector is adjusted through the height adjusting frame, the pitch angle of the image taken by the detector is changed, but when the height is adjusted, a worker needs to take out the object placing table from the clamping groove, and then lugs on two sides of the object placing table are clamped in the sliding groove with proper height, so that the problems of complex operation and labor waste are caused.

Disclosure of Invention

The utility model aims to provide an adjustable optical lens detection device, which solves the problems that in the prior art, when the distance between a storage table and a detector is adjusted, a worker is required to take the storage table out of a clamping groove, and then lugs on two sides of the storage table are clamped in a chute with proper height, so that the operation is complex and the labor is wasted.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: an adjustable optical lens detection device comprises an illumination beacon assembly, a fixing assembly, an adjusting assembly and a wavefront testing assembly, wherein the fixing assembly is used for fixing a lens to be detected, and the lens to be detected is positioned between the illumination beacon assembly and the wavefront testing assembly; the adjusting component is used for adjusting the distance between the lens to be measured and the wave front testing component and adjusting the angle between the lens to be measured and the wave front testing component;

the illumination beacon assembly comprises a first fixing frame and a lens, wherein the lens is fixed on the first fixing frame;

the fixing component comprises a second fixing frame, and the lens to be tested is fixed on the second fixing frame;

the adjusting assembly comprises a bottom plate, a rotating structure and a translating structure, wherein the rotating structure is arranged on the bottom plate and comprises a rotating driving piece, an arc-shaped guide rail and a rotating arm; the rotation center of the rotation driving piece is coincident with the circle center of the arc-shaped guide rail; the rotary driving piece and the arc-shaped guide rail are fixed on the bottom plate; one side of the rotating arm can slide along the arc-shaped guide rail, and the upper end and the lower end of the other side of the rotating arm are respectively fixed with the translation structure and the rotation driving piece; the first fixing frame is fixed on the rotating arm, the second fixing frame is arranged on the translation structure, and the translation structure can drive the second fixing frame to translate along the length direction of the rotating arm.

Further, the translation structure comprises a translation and a translation driving piece, wherein the translation driving piece is used for driving the table top of the translation table to move, and the second fixing frame is fixed on the table top of the translation table.

Further, a through hole for installing the lens to be detected is formed in the center of the second fixing frame, and an installation structure for fixing the lens to be detected is arranged on the second fixing frame.

The working principle of the technical scheme is as follows: the lens to be measured is fixed through the mounting structure. The rotary driving piece can be driven, the rotary driving piece drives the rotary arm to rotate along the arc-shaped guide rail, and the rotary arm rotates to drive the first fixing frame and the second fixing frame to synchronously rotate, so that the angle between the lens to be tested and the wavefront testing assembly is changed. The device can drive the translation driving piece, the translation driving piece drives the table board to move on the translation table, and the table board drives the lens to be measured to move horizontally. After the light beam emitted by the illumination beacon assembly passes through the lens to be tested, the light beam reaches the wave front testing assembly, and the defects such as bubbles, cracks and flaws of the lens to be tested can be accurately identified after processing and analysis are performed.

The beneficial effects of this technical scheme lie in:

(1) according to the technical scheme, the position of the lens to be detected can be adjusted through the rotating structure and the translating structure, and the lens to be detected at different positions is detected, so that the defects of the lens can be identified more accurately.

(2) In the technical scheme, the rotation structure and the translation structure respectively rotate the driving piece and the translation driving piece to be driven automatically, and manual adjustment is not needed.

Drawings

FIG. 1 is a perspective view of an adjustable optical lens inspection apparatus according to the present utility model;

FIG. 2 is a top view of FIG. 1 rotated 0;

FIG. 3 is a top view of the device of FIG. 1 rotated 20;

fig. 4 is a top view of the device of fig. 1 rotated-20 °.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the device comprises a first fixing frame 1, an arc-shaped guide rail 2, a rotating arm 3, a sliding block 4, a translation table 5, a rotating driving piece 6, a second fixing frame 7, a bottom plate 8, a lens 9, a lens 10 to be tested, a translation driving piece 11, a wavefront testing component 12, an illumination beacon component 13 and a fixing component 14.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment is basically as shown in the accompanying figures 1-4: an adjustable optical lens detection device comprises an illumination beacon assembly 13, a fixing assembly 14, an adjusting assembly and a wavefront testing assembly 12, wherein the fixing assembly 14 is used for fixing a lens 10 to be detected, and the lens 10 to be detected is positioned between the illumination beacon assembly 13 and the wavefront testing assembly 12; the adjusting component is used for adjusting the distance between the lens 10 to be measured and the wavefront testing component 12 and adjusting the angle between the lens 10 to be measured and the wavefront testing component 12.

The illuminating beacon assembly 13 includes a first mount 1 and a lens 9, the lens 9 being fixed to the first mount 1.

The wavefront testing assembly 12 is an existing device and may be implemented with a wavefront tester.

The fixing component 14 comprises a second fixing frame 7, and the lens 10 to be tested is fixed on the second fixing frame 7; the center of the second fixing frame 7 is provided with a through hole for installing the lens 10 to be tested, and the second fixing frame 7 is provided with an installation structure for fixing the lens 10 to be tested. The mounting structure can also adopt an optical lens clamping mechanism; the combination of clamping blocks, screw rods and nuts can also be adopted, the combination is provided with a plurality of groups, the clamping blocks are respectively positioned in the circumference of the second fixing frame 7, the clamping blocks are positioned in through holes of the second fixing frame 7, threaded holes are formed in the second fixing frame 7, the screw rods are in threaded connection with the threaded holes, one sides of the screw rods extend into the through holes and are in rotary connection with the clamping blocks, the other sides of the screw rods are in threaded connection with the nuts, the nuts can be abutted against the outer sides of the second fixing frame 7, and through rotating the screw rods, the clamping blocks can move in the radial direction of the through holes until the clamping blocks clamp the lens 10 to be tested, and then the nuts are screwed into the screw rods until the nuts are abutted against the outer sides of the second fixing frame 7.

The adjusting component comprises a bottom plate 8, a rotating structure and a translating structure, wherein the rotating structure is arranged on the bottom plate 8 and comprises a rotating driving piece 6, an arc-shaped guide rail 2 and a rotating arm 3; the rotary driving member 6 is specifically a motor. The arc angle of the arc-shaped guide rail 2 is 40 degrees, the middle position of the arc-shaped guide rail 2 is set to rotate by 0 degrees, and the two ends rotate by-20 degrees and 20 degrees. The rotation center of the rotation driving piece 6 coincides with the circle center of the arc-shaped guide rail 2; the rotary drive 6 and the arcuate guide rail 2 are fixed to a base plate 8. One side of the rotating arm 3 can slide along the arc-shaped guide rail 2, specifically, the bottom of the rotating arm 3 is provided with a sliding block 4, and the sliding block 4 is connected on the arc-shaped guide rail 2 in a sliding way; the upper and lower ends of the other side of the rotating arm 3 are respectively fixed with a translation structure and a rotation driving piece 6. The first fixing frame 1 is fixed on the rotating arm 3, the second fixing frame 7 is installed on a translation structure, the translation structure can drive the second fixing frame 7 to translate along the length direction of the rotating arm 3, the translation structure specifically comprises a translation table 5 and a translation driving piece 11, and the length direction of the translation table 5 is consistent with the length direction of the rotating arm 3. The translation driving piece 11 is used for driving the table top of the translation table 5 to move, and the second fixing frame 7 is fixed on the table top of the translation table 5. The translation structure is the prior art, and specific structure can be seen in the publication number CN210616424U, named structure in the electric translation stage.

The specific implementation process is as follows:

the lens 9 to be measured is fixed using a mounting structure. The rotary driving piece 6 can be driven, the rotary driving piece 6 drives the rotary arm 3 to rotate along the arc-shaped guide rail 2, and the rotary arm 3 rotates to drive the first fixing frame 1 and the second fixing frame 7 to synchronously rotate, so that the angle between the lens 10 to be tested and the wavefront testing assembly 12 is changed. The translation driving piece 11 can be driven, the translation driving piece 11 drives the table top to move on the translation table 5, and the table top drives the lens 9 to be measured to horizontally move. After the light beam emitted by the illumination beacon component 13 passes through the lens 9 to be tested, the light beam reaches the wave front testing component 12, and the defects such as bubbles, cracks and flaws of the lens 10 to be tested can be accurately identified after processing analysis.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. An adjustable optical lens inspection device, characterized in that: the device comprises an illumination beacon assembly (13), a fixing assembly (14), an adjusting assembly and a wavefront testing assembly (12), wherein the fixing assembly (14) is used for fixing a lens (10) to be tested, and the lens (10) to be tested is positioned between the illumination beacon assembly (13) and the wavefront testing assembly (12); the adjusting component is used for adjusting the distance between the lens (10) to be measured and the wave front testing component (12) and adjusting the angle between the lens (10) to be measured and the wave front testing component (12);

the illumination beacon assembly (13) comprises a first fixing frame (1) and a lens (9), wherein the lens (9) is fixed on the first fixing frame (1);

the fixing assembly (14) comprises a second fixing frame (7), and the lens (10) to be tested is fixed on the second fixing frame (7);

the adjusting assembly comprises a bottom plate (8), and a rotating structure and a translating structure which are arranged on the bottom plate (8), wherein the rotating structure comprises a rotating driving piece (6), an arc-shaped guide rail (2) and a rotating arm (3); the rotation center of the rotation driving piece (6) coincides with the circle center of the arc-shaped guide rail (2); the rotary driving piece (6) and the arc-shaped guide rail (2) are fixed on the bottom plate (8); one side of the rotating arm (3) can slide along the arc-shaped guide rail (2), and the upper end and the lower end of the other side of the rotating arm (3) are respectively fixed with the translation structure and the rotary driving piece (6); the first fixing frame (1) is fixed on the rotating arm (3), the second fixing frame (7) is installed on a translation structure, and the translation structure can drive the second fixing frame (7) to translate along the length direction of the rotating arm (3).

2. An adjustable optical lens inspection apparatus according to claim 1, wherein: the translation structure comprises a translation table (5) and a translation driving piece (11), wherein the translation driving piece (11) is used for driving a table top of the translation table (5) to move, and the second fixing frame (7) is fixed on the table top of the translation table (5).

3. An adjustable optical lens inspection apparatus according to claim 1, wherein: the center of the second fixing frame (7) is provided with a through hole for installing the lens (10) to be tested, and the second fixing frame (7) is provided with an installation structure for fixing the lens (10) to be tested.