Method for realizing high-precision imaging of lens

Abstract

The invention discloses a method for realizing high-precision imaging of a lens, which comprises a lens barrel, a lens and a centering mechanism arranged on the lens barrel, and comprises the following steps of: 1, the lens is limited in a barrel cavity through a lens limiting cavity formed between two adjacent space rings; 2, the lens located in the lens limiting cavity is jacked through a flat head jackscrew; and 3, dispensing is conducted on the glue injection hole through a needle tube. According to the invention, the centered and ground lens is used for replacing a centered and turned lens; the direct centering and grinding lens has the advantages that firstly, the outer diameter of the lens can be directly machined to the outer diameter size matched with the lens barrel, and the fittolerance of the lens and the lens barrel during assembly can be controlled; secondly, the contact surface of the lens and a space ring is directly ground to form a ring opening, and an air gap between the lenses is guaranteed; and thirdly, the lens is directly machined, a lens frame of the lens does not need to be produced and turned, the lens machining period is shortened, and meanwhile the lensproduction cost is reduced.

Description

technical field [0001] The invention relates to a method for realizing high-precision imaging of a lens, and belongs to the field of optical technology. Background technique [0002] Industrial lenses are very important imaging components in machine vision systems. If the system wants to fully utilize its functions, the industrial lenses must be able to meet the requirements. With the wide application of machine vision systems in the field of precision inspection, ordinary industrial lenses are difficult to meet the inspection requirements. In order to make up for the shortcomings of ordinary lenses and meet the needs of precision inspection, high-precision imaging lenses have emerged as the times require. The main difficulties in realizing the high-precision imaging of the lens are the processing of the lens, the control of the matching tolerance when the lens and the lens barrel are assembled, and the guarantee of the air gap between the lens and the lens. [0003] In the...

AI Technical Summary

Problems solved by technology

The disadvantage of this kind of turning lens is that the production of a lens requires the production of a corresponding lens frame, which increases the cost of lens production and the production cycle is very long.

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