CN112090785A

CN112090785A - Optical lens sorting equipment

Info

Publication number: CN112090785A
Application number: CN202010879208.0A
Authority: CN
Inventors: 付丞
Original assignee: Ningbo Chengda Precision Machinery Co ltd
Current assignee: Ningbo Chengda Precision Machinery Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-12-18

Abstract

The invention discloses optical lens sorting equipment which comprises an operation table, wherein a double-shaft moving mechanism is installed on the operation table, a sorting gripper is installed on the double-shaft moving mechanism, a rubber sucker, a CCD camera and an MTF camera are installed at the bottom of the sorting gripper, a plurality of distributing discs are arranged between the double-shaft moving mechanism on the operation table and correspond to the sorting gripper, the distributing discs are located between corner seats correspondingly arranged on the operation table, rubber pads are arranged on the corner seats and close to the distributing discs, grooves are formed in the operation table and correspond to the distributing discs, illuminating lamps are uniformly arranged at the bottom of the grooves, color plates are arranged at the top of the grooves, light equalizing plates are connected to the bottoms of the color plates, and a sucker cleaning mechanism is arranged on the right side of the operation table. According to the invention, the MTF cameras are used for shooting the optical lenses in different distribution discs, and the quality of the optical lenses is sorted by analyzing the MTF, so that compared with the traditional manual sorting, the efficiency is higher, the performance resolution of the optical lenses is more scientific, and the sorting result is more satisfactory.

Description

Optical lens sorting equipment

Technical Field

The invention relates to the technical field of sorting equipment, in particular to optical lens sorting equipment.

Background

With the prosperous development of the mobile phone industry, the market demand of the optical lens for mobile phones is also rising, which forms a severe test for the quality and production efficiency of the optical lens for mobile phones. At present, manufacturers of optical lenses for mobile phones generally need to evaluate the imaging quality of the optical lenses in the production process of the optical lenses. After the imaging quality of the optical lens is evaluated, the optical lenses with different test values need to be classified and distinguished.

At present, after an optical lens is tested, an operator needs to separately place the optical lenses placed in a carrying jig according to the test result by category using tweezers. For example, some test results are distinguished by four colors, namely blue, green, yellow and red, and the four colors are closely arranged in a matrix, so that an operator needs to correctly correspond the colors and the result categories one by one, and also needs to accurately place optical lenses in trays of the corresponding categories. Therefore, when the optical lens is classified, the sorting speed of operators is low, errors are easy to occur during sorting, and poor appearances such as lens damage are easy to cause, so that the development of the manufacturing industry of the optical lens for the mobile phone is seriously influenced.

Disclosure of Invention

The invention aims to: in order to solve the problems that the existing optical lens sorting is carried out manually, the efficiency is low, and mistakes are easy to make, an optical lens sorting device is provided.

The technical scheme adopted by the invention is as follows:

the utility model provides an optical lens sorting facilities, includes the operation panel, install biax moving mechanism on the operation panel, install the separation tongs on the biax moving mechanism, select separately tongs bottom and install rubber suction cup, CCD camera and MTF camera, correspond on the operation panel between the biax moving mechanism and select separately tongs position and be provided with a plurality of minutes charging trays, divide the charging tray to be located the operation panel and correspond between the corner seat that sets up, be equipped with the rubber and plastic pad with dividing the charging tray position of pressing close to mutually on the corner seat, correspond on the operation panel and divide the charging tray position to set up flutedly, the bottom position evenly is equipped with the light in the recess, and recess top position is equipped with the color palette, and the color palette bottom is connected with equal worn-out fur.

The double-shaft moving mechanism comprises an X-shaped guide rail, an X guide rail and a Y guide rail, wherein the X-shaped guide rail is arranged on the workbench close to the left side, the X guide rail is arranged on the workbench close to the right side, the Y guide rail is erected on the X-shaped guide rail and the X guide rail, the Y guide rail is movably arranged on the X-shaped guide rail through an X-axis moving platform, and the Y guide rail is connected with the X guide rail in a sliding mode.

The rear end of the X-shaped line rail is fixedly connected with the end seat, a transfer joint is arranged on the X-shaped line rail, and the transfer joint is fixedly connected with the X-axis moving platform.

The Y guide rail is provided with a Y-axis moving platform, the sorting hand is fixed at the bottom of the Y-axis moving platform, the Y-axis moving platform is connected with the transfer contact point through a tank chain, and the tank chain is arranged in a bridge frame erected along with the Y guide rail.

Wherein, sucking disc clearance mechanism is including installing the clearance case on the operation panel, and the clearance intracavity intermediate position of clearance case is fixed with rotatory air cock through hollow branch pipe, and the suction nozzle that is linked together with hollow branch pipe is installed to clearance bottom of the case portion, and the left and right sides position of suction nozzle is seted up respectively and is cleared up the communicating dust exhaust mouth in chamber, and the even articulated a plurality of sunshade of being connected with in top peripheral position is gone up to the clearance case, and the support is installed to the corresponding sunshade position in the clearance case outside, installs pneumatic telescopic handle between support and the sunshade.

Wherein, rotatory air cock adopts the rotatory air cock of pulsed.

Wherein, the side of the shielding plate close to the rubber sucker is provided with dust-free cloth.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the optical lenses in different distribution discs are shot by depending on the MTF camera, the quality of the optical lenses is sorted by analyzing the MTF, meanwhile, the color plate is additionally arranged below the optical lenses, and the chromatic aberration condition of the optical lenses is further identified by utilizing the color feedback of the color plate.

2. According to the invention, when the optical lens is sorted and grabbed, the negative pressure of the rubber sucker is utilized to adsorb the optical lens, and the optical lens is not touched by a metal material and is not easy to be damaged, so that the scratch of the optical lens during detection and sorting is reduced, and the yield is improved.

3. According to the invention, the suction cup cleaning mechanism is additionally arranged, the suction part of the suction cup is cleaned by utilizing high-speed airflow, and foreign matters such as dust are removed, so that the damage of the foreign matters to the optical lens during operation is further avoided.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a partial cross-sectional view of the table of the present invention;

FIG. 3 is a schematic diagram of the cleaning mechanism of the present invention;

fig. 4 is a bottom view of the sorting grip of the present invention.

The labels in the figure are: 1. an operation table; 2. an X row rail; 3. an X-axis moving platform; 4. a Y guide rail; 5. a transfer contact; 6. an end seat; 7. a tank chain; 8. a bridge frame; 9. a Y-axis moving platform; 10. a sorting gripper; 11. a suction cup cleaning mechanism; 12. an X guide rail; 13. distributing disks; 14. a groove; 15. a light homogenizing plate; 16. an illuminating lamp; 17. a corner seat; 18. a color plate; 19. a rubber plastic pad; 20. a rubber suction cup; 21. a CCD camera; 22. cleaning the box; 23. a dust exhaust port; 24. an air inlet nozzle; 25. a hollow branch pipe; 26. cleaning the cavity; 27. a support; 28. a pneumatic telescopic rod; 29. a shutter; 30. and rotating the air nozzle.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, an optical lens sorting apparatus includes an operation table 1, an X-shaped rail 2 is disposed on the operation table 1 near a left side, an X-shaped guide rail 12 is disposed on the operation table 1 near a right side, a Y-shaped guide rail 4 is erected on the X-shaped rail 2 and the X-shaped guide rail 12, the Y-shaped guide rail 4 is movably mounted on the X-shaped rail 2 through an X-axis moving platform 3, the Y-shaped guide rail 4 is slidably connected with the X-shaped guide rail 12, and the X-shaped guide rail 4 is implemented by using a common slide block chute, which is a common technique and is not described in detail, the rear end of the X-shaped rail 2 is fixedly connected with an end seat 6 for limiting the X-axis moving platform 3, a transfer contact 5 is simultaneously disposed on the X-shaped rail 2, and the transfer contact 5 is fixedly connected with the;

a Y-axis moving platform 9 is arranged on the Y guide rail 4, a sorting hand grip 10 is arranged at the bottom of the Y-axis moving platform 9, the Y-axis moving platform 9 is connected with the transfer contact 5 through a tank chain 7, the tank chain 7 is arranged in a bridge frame 8 erected along with the Y guide rail 4, the right side of the X guide rail 12 is provided with a sucker cleaning mechanism 11, the right end of the Y guide rail 4 extends to the position above the sucker cleaning mechanism 11, a plurality of distributing trays 13 are arranged between the X-shaped traveling rail 2 and the X-shaped guide rail 12, the distributing trays 13 are positioned between corresponding angle seats 17 arranged on the operating platform 1, rubber and plastic pads 19 are arranged on the angle seats 17 and close to the distributing trays 13, a groove 14 is formed in the position, corresponding to the distributing disc 13, of the operating platform 1, illuminating lamps 16 are uniformly arranged at the bottom of the groove 14, a color plate 18 is arranged at the top of the groove 14, and a light homogenizing plate 15 is connected to the bottom of the color plate 18;

the bottom of the sorting hand grip 10 is provided with a rubber sucker 20, a CCD camera 21 and an MTF camera 21-1, the optical lens is grabbed by the sucker, the position of the optical lens is positioned by the shooting function of the CCD camera, the MTF camera 21-1 carries out MTF sorting on the optical lens, the CCD camera 21, the MTF camera 21-1 and the matched equipment are the existing equipment and technology, and are not described herein, the sucker cleaning mechanism 11 comprises a cleaning box 22 arranged on the operation platform 1, a rotary air nozzle 30 is fixed at the middle position in a cleaning cavity 26 of the cleaning box 22 through a hollow branch pipe 25, an air inlet nozzle 24 communicated with the hollow branch pipe 25 is arranged at the bottom of the cleaning box 22, dust outlets 23 communicated with the cleaning cavity 26 are respectively arranged at the left side and the right side of a cover plate of the air inlet nozzle 24 at the bottom of the cleaning box 22, a plurality of 29 are hinged at the peripheral position of the top of the cleaning box 22, the outer side of the cleaning box 22 is provided with a support 27 corresponding to the position of the shielding plate 29, a pneumatic telescopic rod 28 is arranged between the support 27 and the shielding plate 29, and dust-free cloth can be additionally arranged on one side of the shielding plate 29 close to the rubber suction cup 20 as required to increase the sealing performance of the top of the cleaning box 22 during cleaning of the rubber suction cup, so that the overflow of dust is reduced.

The working principle is as follows: the invention provides an optical lens sorting device, the structure is ingenious, when using, firstly, the distribution tray 13 with optical lens is placed between the corner seats 17 of the operation platform 1 by manpower, so that the distribution tray is stable, the number of the distribution tray 13 can be adjusted automatically according to the sorting type and the sorting requirement, after being placed stably, the sorting operation can be carried out, firstly, the illuminating lamp 16 is switched on, the light equalizing plate 15 transmits the light to the color plate 18 uniformly, then the MTF camera 21-1 shoots one of the optical lenses, when carrying out MTF analysis on the optical lens, the light transmitted by the color plate 18 is utilized to analyze the chromatic aberration, after the analysis is finished, the corresponding optical lens is sucked by the rubber sucker 20, and is moved to the corresponding distribution tray 13 according to the preset program command, and the CCD camera 21 is used for positioning the optical lens and positioning the optical lens placing position, the situation that the optical lens is scratched due to repeated placement of a single placement area can be avoided, the X-axis moving platform 3 moves on the X-axis running rail 2 to provide transverse movement, and the Y-axis moving platform 9 moves on the Y-axis running rail 4 to provide longitudinal movement, so that the separation gripper 10 can conveniently move within the range to perform operation, and the separation efficiency is guaranteed;

after the sorting hand grip 10 reaches the preset working time or the gripping times are limited, the Y-axis moving platform 9 drives the sorting hand grip 10 to move into the cleaning box 22, then the pneumatic telescopic rod 28 works and extends to push the shielding plate 29 to cover the rubber suction cup 20, high-pressure gas which is communicated with the air inlet nozzle 24 in advance is sprayed out from the rotary air nozzle 30, high-speed airflow dust removal is carried out on the bottom of the rubber suction cup 20 and the position which is in contact with an optical lens, and the situation that scratches are caused by the friction between the adhered dust and other foreign matters on the surface of the optical lens when the rubber suction cup 20 grips the optical lens is avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to 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, and the scope of protection is still within the scope of the invention.

Claims

1. An optical lens sorting device comprises an operation platform (1) and is characterized in that a double-shaft moving mechanism is installed on the operation platform (1), a sorting gripper (10) is installed on the double-shaft moving mechanism, a rubber sucker (20), a CCD camera (21) and an MTF camera (21-1) are installed at the bottom of the sorting gripper (10), a plurality of distributing discs (13) are arranged on the operation platform (1) between the double-shaft moving mechanisms corresponding to the sorting gripper (10), the distributing discs (13) are located between corner seats (17) correspondingly arranged on the operation platform (1), rubber and plastic pads (19) are arranged on the corner seats (17) and close to the distributing discs (13), a groove (14) is formed in the operation platform (1) corresponding to the distributing disc (13), illuminating lamps (16) are uniformly arranged at the bottom positions in the groove (14), and a color plate (18) is arranged at the top of the groove (14), the bottom of the color plate (18) is connected with a light homogenizing plate (15), and a sucker cleaning mechanism (11) is arranged on the right side of the operation platform (1).

2. The optical lens sorting apparatus according to claim 1, wherein the two-axis moving mechanism includes an X-rail (2) mounted on the workbench (1) at a left position, an X-rail (12) mounted on the workbench (1) at a right position, and a Y-rail (4) mounted on the X-rail (2) and the X-rail (12), the Y-rail (4) is movably mounted on the X-rail (2) by the X-axis moving platform (3), and the Y-rail (4) is slidably connected with the X-rail (12).

3. An optical lens sorting device according to claim 2, characterized in that the rear end of the X-rail (2) is fixedly connected with the end seat (6), the X-rail (2) is also provided with a transfer joint (5), and the transfer joint (5) is fixedly connected with the X-axis moving platform (3).

4. The optical lens sorting device according to claim 2, wherein a Y-axis moving platform (9) is mounted on the Y-axis guide rail (4), the sorting gripper (10) is fixed at a bottom position on the Y-axis moving platform (9), the Y-axis moving platform (9) is connected with the transfer joint (5) through a tank chain (7), and the tank chain (7) is arranged in a bridge (8) erected along with the Y-axis guide rail (4).

5. The optical lens sorting device according to any one of claims 1 to 4, wherein the suction cup cleaning mechanism (11) comprises a cleaning box (22) mounted on the workbench (1), a rotary air nozzle (30) is fixed at a middle position in a cleaning cavity (26) of the cleaning box (22) through a hollow branch pipe (25), an air inlet nozzle (24) communicated with the hollow branch pipe (25) is mounted at the bottom of the cleaning box (22), dust exhaust ports (23) communicated with the cleaning cavity (26) are respectively formed at left and right sides of the air inlet nozzle (24) at the bottom of the cleaning box (22), a plurality of shielding plates (29) are uniformly hinged at the periphery of the upper top of the cleaning box (22), a support (27) is mounted at the outer side of the cleaning box (22) corresponding to the position of the shielding plate (29), and a pneumatic telescopic rod (28) is mounted between the support (27) and the shielding plates (29).

6. An optical lens sorting device according to claim 5, characterized in that the rotary air nozzle (30) is a pulse type rotary air nozzle.

7. An optical lens sorting apparatus according to claim 5, wherein said shutter (29) is provided with a dust-free cloth on a side thereof adjacent to the rubber suction cup (20).