CN217059270U

CN217059270U - Many visual fields of optical lens image quality detection device based on corner-cube prism

Info

Publication number: CN217059270U
Application number: CN202122789727.0U
Authority: CN
Inventors: 王光标
Original assignee: Shanghai Shengzi Optics Technology Co ltd
Current assignee: Shanghai Shengzi Optics Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-26
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to an optical lens detects technical field, and discloses an optical lens multi-view field image quality detection device based on pyramid prism, place subassembly and pyramid prism including examining test table, interferometer, work piece, wherein, interferometer and pyramid prism are placed respectively and are being examined mesa both ends on the test table, the work piece is placed the subassembly and is set up the interferometer with between the pyramid prism. This kind of many visual fields of optical lens like quality detection device based on pyramid prism, upwards stimulate spacing post, spacing post is at the inboard rebound of through-hole, thereby can make below mounting plate rebound, reset spring can upwards contract simultaneously during the mounting plate rebound, thereby can make the mounting plate break away from the surface of examining test table, then the pulling work piece places the subassembly, through the pilot pin, can make the pilot pin correspond with the graduation apparatus when removing, thereby can clearly understand the work piece and place the subassembly and remove and send out the distance, and then can detect the quality inspection of optical lens difference point.

Description

Many visual fields of optical lens image quality detection device based on corner-cube prism

Technical Field

The utility model relates to an optical lens detects technical field, specifically is an optical lens multi-view field image quality detection device based on corner cube prism.

Background

After the optical lens is assembled, the imaging quality of a plurality of view fields of the lens needs to be detected, and whether the optical assembly is qualified or not is checked. Generally, a plane mirror self-alignment interference test is adopted to obtain the single-field aberration coefficient of the lens, but the single-field aberration coefficient test cannot represent the assembly state of the large-field optical lens, and the self-alignment measurement of the aberration coefficients of a plurality of fields of the optical lens is required. When the self-alignment plane mirror is used for self-alignment measurement in different view fields, the self-alignment plane mirror accurately corresponds to different angles, and the focal point of the interferometer corresponds to different positions on the focal plane of the lens.

And when examining the different mirror points of optical mirror, the position of change optical mirror that need not stop, thereby detect the different mirror points of optical mirror, but examine time measuring, generally move the detection to the optical mirror by operating personnel according to the experience, but when moving, because the distance that moves can't be fixed, thereby lead to easily examining time measuring to the optical mirror, lead to the condition that the omission appears in the optical mirror surface easily, thereby lead to the condition that defective goods can't in time detect out a bit easily, in addition, at the in-process that moves the interferometer, because the interferometer position transform, thereby lead to the focus of interferometer to change easily, need adjust the focus of interferometer once more, therefore inconvenient operating personnel use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a many visual fields of optical lens are like matter detection device based on corner cube prism possesses and avoids optical lens to examine time measuring appearance and omits, focus adjusting repetitious usage's advantage, has solved the problem that the background art provided.

(II) technical scheme

For the purpose that omission, focus adjustment repetitious usage appear when realizing above-mentioned avoiding the optics to examine, the utility model provides a following technical scheme: the utility model provides a many visual fields of optical lens like quality detection device based on corner cube prism, places subassembly and corner cube prism including examining test table, interferometer, work piece, and wherein, interferometer and corner cube prism are placed respectively and are being examined mesa both ends on the test table, the work piece is placed the subassembly and is set up the interferometer with between the corner cube prism, just the work piece place the subassembly with examine the last mesa sliding connection of test table.

Preferably, the workpiece placing assembly includes: the optical lens, the placing seat, the second supporting block, the balls and the fasteners are arranged on the detection table, wherein a groove is formed in the detection table, the second supporting block is installed in the middle of the inner side of the groove, the balls are connected to the lower portion of the second supporting block in a rotating mode, the bottoms of the balls are in contact with the bottom of the groove, the fastener is fixedly installed at the other end, away from the center, of one side of the second supporting block, the placing seat is installed on the second supporting block, and the optical lens is placed on the inner side of the placing seat.

Preferably, the fastener includes the connecting plate, the connecting plate middle part begins to have the through-hole, the inboard sliding connection of through-hole has spacing post, spacing post below outside fixed mounting has reset spring, spacing post below fixed mounting has the mounting plate.

Preferably, one end, far away from the central point, of each of the two sides of the supporting block is fixedly provided with a limiting part, each limiting part comprises a sliding block, the middle part of one side of the groove is provided with a sliding groove, and the sliding block is connected to the inner side of the sliding groove in a sliding manner.

Preferably, a dial gauge is arranged on one side of the detection table, a positioning needle is fixedly mounted in the middle of the other side of the supporting block, and the positioning needle and the dial gauge are matched with each other for use.

Preferably, the placing seat is semicircular, a placing groove is formed in the upper portion of the placing seat, the width of the inner side of the placing groove is larger than the width of the edge of the optical lens, protective sheets are mounted on two sides of the inside of the placing groove, and the protective sheets are made of rubber materials.

Preferably, a fixing block is fixedly mounted on the other side of the inner part of the groove far away from the center, and the pyramid prism is mounted on the fixing block.

Preferably, the recess is inside to be kept away from central point and puts one side fixed mounting and have supporting shoe one, a supporting shoe top is rotated and is installed the axis of rotation, axis of rotation one side fixed mounting has the dwang, the other one side fixed mounting of axis of rotation has the fixed disk, the other one side top fixed mounting of fixed disk has places the board, the interferometer is installed on placing the board.

Preferably, the detection table is provided with support columns at the corners below, and four suction cups are fixedly arranged below the support columns.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of many visual fields of optical lens like quality detection device based on pyramid prism, spacing post of upwards pulling, spacing post is at the inboard rebound of through-hole, thereby can make below mounting plate rebound, reset spring can upwards contract simultaneously when mounting plate rebound, thereby can make the mounting plate break away from the surface of examining test table, then the subassembly is placed to the pulling work piece, during the removal, the slider can slide in the spout inboard simultaneously, then through the pilot pin, can make the pilot pin correspond with the graduation apparatus when removing, thereby can clearly understand the work piece and place the subassembly and remove the distance of sending out, and then can detect the different looks qualities of optical lens.

2. This kind of many visual fields of optical lens like quality detection device based on pyramid prism rotates the dwang to make the axis of rotation rotate in a supporting shoe inside, thereby the axis of rotation rotates the fixed disk that drives one side and rotates, consequently can drive the interferometer of one side and carry out the transform of different position angles, thereby can avoid adjusting the focus of interferometer once more.

Drawings

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

FIG. 2 is a schematic view of the installation structure of the support column of the present invention;

FIG. 3 is a schematic view of the fastener of the present invention;

fig. 4 is the schematic view of the mounting structure of the fastening plate of the present invention.

In the figure: 1. a detection table; 2. a first supporting block; 201. an interferometer; 202. placing the plate; 203. fixing the disc; 204. rotating the rod; 3. a workpiece placement assembly; 301. a placing seat; 302. a second supporting block; 303. a ball bearing; 304. a fastener; 30401. a connecting plate; 30402. a return spring; 30403. a fastening plate; 305. a positioning pin; 306. a slider; 4. a corner cube prism; 5. a fixed block; 6. a groove; 7. a support column; 8. a suction cup; 9. a dial gauge; 10. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

Referring to fig. 1-4, an optical lens multi-view field image quality detection apparatus based on a corner cube prism includes a detection platform 1, an interferometer 201, a workpiece placing assembly 3, and a corner cube prism 4; wherein, the interferometer 201 and the pyramid prism 4 are respectively arranged at two ends of the upper table surface of the detection table 1; the work piece is placed subassembly 3 and is set up between interferometer 201 and pyramid prism 4, and the work piece is placed subassembly 3 and is examined the upper table face sliding connection of platform 1, removes the work piece and places subassembly 3 and can change the interval between top optical mirror and interferometer 201 and the pyramid prism 4, and then can detect the optical mirror difference image quality.

Further, the workpiece placing module 3 includes: the device comprises an optical lens, a placing seat 301, a second supporting block 302, a ball 303 and a fastener 304; wherein, the detection table 1 is provided with a groove 6, the middle part of the inner side of the groove 6 is provided with a second support block 302, the lower part of the second support block 302 is rotatably connected with a ball 303, the ball 303 rotates at the bottom of the groove 6, so that the friction force between the second support block 302 and the bottom of the groove 6 can be reduced, thereby facilitating the movement of the upper optical lens, the bottom of the ball 303 is contacted with the bottom of the groove 6, one end of one side of the second support block 302, which is far away from the central position, is fixedly provided with a fastener 304, the fastener 304 can fix the second support block 302, the optical lens is prevented from shaking during detection, the second support block 302 is provided with a placing seat 301, the optical lens is placed on the inner side of the placing seat 301, the placing seat 301 is semicircular, a placing groove is arranged above the placing seat 301, the placing groove can be mutually attached to the surface of the optical lens, thereby being capable of fixing the optical lens, the width of the inner side of the placing groove is larger than the width of the edge of the optical lens, the protection piece is all installed to the inside both sides of standing groove, and the protection piece can protect the edge of optical glasses to can avoid the condition that the damage appears in the edge of optical glasses when placing, the protection piece is made for the rubber material.

Further, the fastening member 304 includes a connecting plate 30401, a through hole is formed in the middle of the connecting plate 30401, a limiting column is slidably connected to the inner side of the through hole, a return spring 30402 is fixedly mounted on the outer side below the limiting column, a fastening plate 30403 is fixedly mounted below the limiting column, and the return spring 30402 can reset the fastening plate 30403 below.

Further, one end of one side of the second support block 302, which is far away from the center, is fixedly provided with a limiting piece, the limiting piece comprises a sliding block 306, the middle part of one side of the groove 6 is provided with a sliding groove 10, and the sliding block 306 is slidably connected to the inner side of the sliding groove 10.

Further, examine that one side is provided with the graduation apparatus 9 on the test table 1, two 302 other one sides middle part fixed mounting of supporting shoe have pilot pin 305, and pilot pin 305 and graduation apparatus 9 use of mutually supporting can accurate optical lens shift position and distance through graduation apparatus 9 to can detect optical lens difference image quality.

Further, examine the equal fixed mounting in 1 below of test table corner and have support column 7, the equal fixed mounting in below of four support columns 7 has sucking disc 8, can fix examining test table 1 through sucking disc 8, avoids examining test table 1 and rocks and appear damaging when examining.

Furthermore, a fixing block 5 is fixedly arranged on the other side of the inner part of the groove 6 far away from the center, and the pyramid prism 4 is arranged on the fixing block 5.

Example two

Based on the first embodiment, as shown in fig. 1 to 4, one side of the groove 6 away from the central position is fixedly provided with a first supporting block 2, the top end of the first supporting block 2 is rotatably provided with a rotating shaft, one side of the rotating shaft is fixedly provided with a rotating rod 204, the other side of the rotating shaft is fixedly provided with a fixed disk 203, a placing plate 202 is fixedly arranged above the other side of the fixed disk 203, the interferometer 201 is arranged on the placing plate 202, the rotating rod 204 is rotated, so that the rotating shaft rotates inside the first supporting block 2, the rotating shaft rotates to drive the fixed disk 203 on one side to rotate, and therefore the interferometer 201 on one side can be driven to perform the transformation of different position angles.

The working principle is as follows: when detecting the optical lens, firstly, the pyramid prism 4 is placed above the fixing block 5, then the optical lens is placed above the workpiece placing component 3, when placing, the interferometer 201 is fixed above the placing plate 202, and after fixing of all parts is finished during detection, the optical lens is detected.

During detection, open interferometer 201, adjust interferometer 201's focus, adjust to suitable position after, interferometer 201 sends laser directive optical lens, then penetrate into pyramid prism 4, through pyramid prism 4's refraction, thereby can carry out the detection of many visual fields like the quality to the optical lens, need examine time measuring to the different angles of optical lens, rotate dwang 204, thereby make the axis of rotation rotate in 2 inside supporting shoe, thereby the axis of rotation rotates the fixed disk 203 that drives one side and rotates, consequently, can drive interferometer 201 of one side and carry out the transform of different position angles.

After the optical lens is detected a little, when different points of the optical lens are detected, the workpiece placing assembly 3 needs to be moved, when the workpiece placing assembly 3 is moved, firstly, the limiting column is pulled upwards, the limiting column moves upwards on the inner side of the through hole, so that the lower fastening plate 30403 can move upwards, when the fastening plate 30403 moves upwards, the reset spring 30402 simultaneously contracts upwards, so that the fastening plate 30403 can be separated from the surface of the detection table 1, then the workpiece placing assembly 3 is pulled, when moving, the sliding block 306 simultaneously slides on the inner side of the sliding groove 10, then the positioning pin 305 can correspond to the dial gauge 9 when moving through the positioning pin 305, so that the moving distance of the workpiece placing assembly 3 can be clearly known, after the movement is finished, the limiting column is loosened, the contraction force of the reset spring 30402 is released, so that the lower fastening plate 30403 can be driven to move downwards, thereby, the fastening plate 30403 can be made to abut against the surface of the inspection table 1, the upper optical lens can be fixed again, and different points of the optical lens can be detected.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a many visual fields of optical lens image quality detection device based on corner cube prism which characterized in that includes: the device comprises a detection table (1), an interferometer (201), a workpiece placing component (3) and a pyramid prism (4);

wherein, the interferometer (201) and the pyramid prism (4) are respectively arranged at two ends of the upper table surface of the detection table (1);

the workpiece placing component (3) is arranged between the interferometer (201) and the pyramid prism (4), and the workpiece placing component (3) is in sliding connection with the upper table surface of the detection table (1).

2. The device for detecting the quality of an image with multiple fields of view based on the corner-cube prism as claimed in claim 1, wherein: the workpiece placement assembly (3) comprises: the device comprises an optical lens, a placing seat (301), a second supporting block (302), a ball (303) and a fastener (304);

the detection table comprises a detection table (1), a groove (6) is formed in the detection table, a second supporting block (302) is installed in the middle of the inner side of the groove (6), balls (303) are rotatably connected to the lower portion of the second supporting block (302), the bottoms of the balls (303) are in contact with the bottom of the groove (6), a fastener (304) is fixedly installed at the other end, away from the central position, of one side of the second supporting block (302), a placing seat (301) is installed on the second supporting block (302), and the optical lens is placed on the inner side of the placing seat (301).

3. The device for detecting the image quality of the multi-view field of the optical lens based on the corner cube prism as claimed in claim 2, wherein: the fastening piece (304) comprises a connecting plate (30401), a through hole is formed in the middle of the connecting plate (30401), a limiting column is connected to the inner side of the through hole in a sliding mode, a reset spring (30402) is fixedly installed on the outer side below the limiting column, and a fastening plate (30403) is fixedly installed below the limiting column.

4. The device for detecting the image quality of the multi-view field of the optical lens based on the corner cube prism as claimed in claim 2, wherein: one end, far away from the central position, of one side of the second supporting block (302) is fixedly provided with a limiting piece, the limiting piece comprises a sliding block (306), the middle of one side of the groove (6) is provided with a sliding groove (10), and the sliding block (306) is connected to the inner side of the sliding groove (10) in a sliding manner.

5. The device for detecting the image quality of the multi-view field of the optical lens based on the corner cube prism as claimed in claim 2, wherein: one side is provided with graduation apparatus (9) on examining test table (1), supporting shoe two (302) other side middle part fixed mounting has pilot pin (305), pilot pin (305) and graduation apparatus (9) use of mutually supporting.

6. The device for detecting the image quality of the multi-view field of the optical lens based on the corner cube prism as claimed in claim 2, wherein: the novel glasses are characterized in that the placing seat (301) is semicircular, a placing groove is formed above the placing seat (301), the width of the inner side of the placing groove is larger than the edge width of the glasses, protective sheets are mounted on two sides of the inside of the placing groove, and the protective sheets are made of rubber.

7. The device for detecting the quality of an image with multiple fields of view based on the corner-cube prism as claimed in claim 2, wherein: the other side of the inner part of the groove (6) far away from the center is fixedly provided with a fixing block (5), and the pyramid prism (4) is arranged on the fixing block (5).

8. The device for detecting the quality of an image with multiple fields of view based on the corner-cube prism as claimed in claim 2, wherein: recess (6) inside keep away from central point and put one side fixed mounting have supporting shoe (2), supporting shoe (2) top is rotated and is installed the axis of rotation, axis of rotation one side fixed mounting has dwang (204), the other one side fixed mounting of axis of rotation has fixed disk (203), fixed disk (203) one side top fixed mounting has places board (202) in addition, install on placing board (202) interferometer (201).

9. The device for detecting the quality of an image with multiple fields of view based on the corner-cube prism as claimed in claim 1, wherein: it has support column (7), four to examine the equal fixed mounting in each corner of test table (1) below the equal fixed mounting in below of support column (7) has sucking disc (8).