CN214289496U - Lens MTF sorting device - Google Patents

Abstract

The utility model discloses a camera lens MTF sorting unit involves the camera lens test after, and the quality grade is categorised, and this equipment carries out data communication with the MTF machine, after acquireing the MTF test result, again according to test score automatic judgement camera lens belong to which level of 4 grades of categorised to it is categorised to relevant grade tray to correspond the transfer camera lens, reduces staff's amount of labour, improves categorised packing efficiency.

Description

Lens MTF sorting device

Technical Field

The utility model relates to a camera lens test technical field, in particular to camera lens MTF sorting unit.

Background

Modulation Transfer Function (Modulation Transfer Function) is a scientific method for analyzing the image of a lens, and the imaging quality of the lens is the most concerned and most controversial topic, and although various testing methods for the imaging quality of the lens are different, these methods cannot reflect the real quality of the lens very accurately due to the fact that the testing conditions are different. Compared with the testing method of the media shooting resolution mark plate, the MTF imaging curve graph is measured and published by lens manufacturers under an extremely objective and rigorous testing environment and is the most authoritative and objective technical reference basis for the lens imaging quality.

The lens carries out data communication with the MTF machine during testing, after the MTF test result is obtained, the lens is automatically judged to belong to which level of the 4-level classification according to the test score, workers receive work to classify and package the lens, and the operation steps are complex and time-consuming.

Therefore, it is necessary to invent a lens MTF sorting apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera lens MTF sorting unit to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lens MTF sorting device comprises a Y-axis sorting supporting plate, wherein the Y-axis sorting supporting plate comprises a lens tray to be tested, a lens tray, a grade sorting tray, an empty tray, a grade stacking tray and an opposite shooting sensor, lenses in the lens tray to be tested are placed in the lens tray, then the lens tray is transferred into MTF equipment for testing in a manual or mechanical arm mode, the lens tray is transferred back to the original position of the sorting supporting plate after testing, meanwhile, testing result information of the MTF testing equipment is transmitted to the lens MTF sorting equipment, and the lens MTF sorting equipment transfers the lenses in the lens tray into the grade sorting tray in four grades according to the testing result; when the lens is fully placed in the grade sorting tray, the lens is stacked to the grade stacking position according to the same grade sorting, meanwhile, the empty tray at the empty tray position is transferred to the empty tray position of the grade sorting tray, the vacancy is filled, correlation sensors are arranged on two sides of the grade stacking tray, and when the grade stacking tray is stacked to influence the communication of the correlation sensors, the lens MTF sorting equipment can pause working and prompt that the sorted lens products on the grade stacking tray are taken out.

Preferably, the device comprises a Z-axis vacuum chuck, the Z-axis vacuum chuck comprises lens transfer suction heads, independent classification suction heads, a material tray transfer suction head, the lens transfer suction head transfers the inner lens of a material tray to be tested of the lens into a lens tray, the suction heads are increased according to the number of single columns of the lens and are in a multiple relation, the distance between every two adjacent suction heads can be freely adjusted, the independent classification suction heads consist of four suction heads which are independently lifted, after the test of the inner lens of the lens tray is completed, the independent classification suction heads transfer the inner lens of the lens tray to empty material grids of the grade classification material tray according to grade classification adsorption, all blank spaces are filled by placing the tray, the material tray transfer suction head is used for carrying and transferring the material tray, the lens transfer suction heads and the independent classification suction heads are provided with independent lifting slide block cylinders, the mutual interference during working is avoided, and the CCD camera is used for automatic position identification and positioning of the suction heads, the air source connector provides an air source for the vacuum suction head cylinder.

The utility model discloses a technological effect and advantage: the equipment is in data communication with the MTF machine, after the MTF test result is obtained, the lens is automatically judged to belong to which level of the 4-level classification according to the test score, and the lens is correspondingly transferred to the relevant-level tray classification, so that the labor amount of workers is reduced, and the classification and packaging efficiency is improved.

Drawings

FIG. 1 is a schematic view of a Y-axis sorting pallet.

FIG. 2 is a schematic view of a Z-axis vacuum chuck.

In the figure: the system comprises a Y-axis classification supporting plate 1, a lens tray 11 to be measured, a lens tray 12, a grading classification tray 13, an empty tray 14, a grading stack tray 15, an opposite-emitting sensor 16, a Z-axis vacuum chuck 2, a lens transfer suction head 21, an independent classification suction head 22, a tray transfer suction head 23, an independent lifting slide block cylinder 24, a CCD camera 25 and an air source connector 26.

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.

The utility model provides a camera lens MTF sorting unit as shown in fig. 1-2, including Y axle classification layer board 1, Y axle classification layer board 1 contains camera lens charging tray 11 that awaits measuring, camera lens tray 12, grade classification dish 13, empty charging tray 14, grade stack dish 15, correlation sensor 16, put the camera lens in the camera lens charging tray 11 that awaits measuring to the camera lens in to camera lens tray 12, through artifical or manipulator mode again, shift camera lens tray 12 to MTF equipment in testing, shift camera lens tray 12 back to classification layer board 1 original position after the test, MTF test equipment test result information transmits to camera lens MTF equipment simultaneously, camera lens sorting equipment is according to the test result, with camera lens in camera lens tray 12, divide four grades to shift respectively in grade classification dish 13; when the trays in the grade sorting tray 13 are fully arranged with lenses, the lenses are stacked to the position of the grade stacking tray 15 according to the same grade sorting, meanwhile, the empty trays in the position of the empty trays 14 are transferred to the empty trays in the grade sorting tray 13 to fill the vacancy, the correlation sensors 16 are arranged on two sides of the grade stacking tray 15, and when the grade stacking tray 15 is stacked to influence the communication of the correlation sensors 16, the lens MTF sorting equipment can pause the work and prompt the users to take out the sorted lens products on the grade stacking tray 15.

Further, including Z axle vacuum chuck 2, Z axle vacuum chuck 2 contains lens transfer suction head 21, independent classification suction head 22, charging tray transfer suction head 23, lens transfer suction head 21 transfers the lens in charging tray 11 that the lens awaits measuring to the lens tray 12, the suction head increases according to lens list row quantity, multiple relation, and adjacent suction head interval can be adjusted freely, independent classification suction head 22 is four and has independent lift suction head to constitute, after the lens test in lens tray 12 is accomplished, independent classification suction head 22 adsorbs the lens in lens tray 12 according to the classification of grades to be transferred to the classification charging tray empty material check of classification dish 13, and all blank spaces are filled to the balance dish, charging tray transfer suction head 23 is used as the transportation of charging tray, lens transfer suction head 21, independent classification suction head 22, charging tray transfer suction head 23 is equipped with independent lift slider cylinder 24, avoid mutual interference during operation, the CCD camera 25 is used for automatically identifying and positioning the position of the suction head, and the air source connector 26 is used for providing an air source for the vacuum suction head cylinder.

The utility model discloses the theory of operation:

when the test device is used, lenses in the lens to-be-tested material disc 11 are placed into the lens tray 12, then the lens tray 12 is transferred into MTF equipment for testing in a manual or mechanical arm mode, the lens tray 12 is transferred back to the original position of the classification supporting plate 1 after the testing is finished, and meanwhile test result information of the MTF testing equipment is transmitted to the lens MTF classification equipment. The lens MTF sorting equipment divides the lenses in the lens tray 12 into four grades and respectively transfers the four grades to the grade sorting tray 13 according to the test result; when the lens is fully arranged in the tray in the grade sorting tray 13, the lens is stacked to the position of the grade stacking tray 15 according to the same grade sorting, and meanwhile, the empty tray at the position of the empty tray 14 is transferred to the empty tray position of the grade sorting tray 13 to fill the vacancy. The correlation sensors 16 are arranged on two sides of the grade stack disc 15, when the grade stack disc 15 is stacked to influence the communication of the correlation sensors 16, the lens MTF sorting equipment can pause working and prompt that the sorted lens products on the grade stack disc 15 are taken out;

the Z-axis vacuum chuck comprises a lens transfer suction head 21, an independent classification suction head 22 and a tray transfer suction head 23. The lens transfer sucker 21 is used for transferring the lenses in the lens tray 11 to be measured into the lens tray 12. The suction heads can be increased according to the number of single columns of the lens in a multiple relation, and the distance between the adjacent suction heads can be freely adjusted. The independent classification suction heads 22 are composed of four suction heads with independent lifting, after the lens test in the lens tray 12 is completed, the independent classification suction heads 22 absorb and transfer the lenses in the lens tray 12 to empty material grids of the grade classification tray 13 according to grade classification, and the empty material grids are filled by placing the tray. The tray transfer suction head 23 is used for carrying and transferring the trays 2. The lens transfer suction head 21, the independent classification suction head 22 and the tray transfer suction head 23 are provided with independent lifting slide block cylinders 24, so that mutual interference during working is avoided. The CCD camera 26 is used for automatically identifying and positioning the position of the suction head, and provides system positioning precision and use convenience; the air source connector 26 provides an air source for the vacuum suction head cylinder;

the equipment carries out data communication with the MTF machine, after the MTF test result is obtained, the equipment automatically judges which level the lens belongs to in 4-level classification according to the test score, and correspondingly transfers the lens to the relevant level tray classification! Reduce staff's amount of labour, improve categorised packing efficiency.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (2)

1. A lens MTF sorting device is characterized in that: the system comprises a Y-axis classification supporting plate (1), wherein the Y-axis classification supporting plate (1) comprises a lens tray (11) to be tested, a lens tray (12), a grading classification tray (13), an empty tray (14), a grading stack tray (15) and an correlation sensor (16), lenses in the lens tray (11) to be tested are placed in the lens tray (12), the lens tray (12) is transferred into MTF equipment for testing in a manual or mechanical arm mode, the lens tray (12) is transferred back to the original position of the Y-axis classification supporting plate (1) after the testing is finished, meanwhile, test result information of the MTF testing equipment is transmitted to the lens MTF classification equipment, and the lenses in the lens tray (12) are transferred into the grading classification tray (13) in four grades according to the test result by the lens MTF classification equipment; when the inner tray of the grade sorting tray (13) is full of lenses, the lenses are stacked to the position of the grade stacking tray (15) according to the same grade classification, meanwhile, the empty tray at the position of the empty tray (14) is transferred to the empty tray at the position of the grade sorting tray (13), the vacancy is filled, correlation sensors (16) are arranged on two sides of the grade stacking tray (15), and when the grade stacking tray (15) is stacked to influence the communication of the correlation sensors (16), the lens MTF sorting equipment can pause working and prompt that the sorted lens products on the grade stacking tray (15) are taken out.

2. The lens MTF sorting apparatus of claim 1, wherein: comprises a Z-axis vacuum chuck (2), the Z-axis vacuum chuck (2) comprises a lens transfer suction head (21), independent classification suction heads (22) and a tray transfer suction head (23), the lens transfer suction head (21) transfers lenses in a lens to-be-tested tray (11) into a lens tray (12), the suction heads are increased according to the number of lens single columns and have a multiple relation, the distance between every two adjacent suction heads can be freely adjusted, the independent classification suction heads (22) are composed of four independent lifting suction heads, after the lens test in the lens tray (12) is completed, the independent classification suction heads (22) adsorb the lenses in the lens tray (12) according to grades and transfer the lenses to grade classification tray empty grids of a grade classification tray (13), and the tray is filled with all the blanks, the tray transfer suction head (23) is used for carrying and transferring the tray, the lenses transfer suction heads (21) and the independent classification suction heads (22), the charging tray shifts suction head (23) and is equipped with independent lift slider cylinder (24), avoids mutual interference during operation, and CCD camera (25) are used for suction head position automatic identification location, and air supply joint (26) provide the air supply for the vacuum suction head cylinder.

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