Machine vision lens

A machine vision and lens technology, applied in the direction of instruments, installation, optics, etc., can solve the problem of low coaxiality accuracy, achieve the effect of improving coaxiality accuracy, improving yield and stability

Pending Publication Date: 2017-12-01
XIAMEN LEADING OPTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to provide a machine vision lens to solve the problem that the assembly coaxiality of the two groups of lenses before and after the existing aperture module is not high enough

Method used

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  • Machine vision lens
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Embodiment Construction

[0018] To further illustrate the various embodiments, the present invention is provided with accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with related descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.

[0019] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0020] combine Figure 1 to Figure 4 , this embodiment provides a machine vision lens, including a fixed lens module 10 and a focusing lens module 20 .

[0021] In this embodiment, the fixed lens module 10 includes a ...

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Abstract

The invention relates to a machine vision lens; a single diaphragm module and a diaphragm seat are fastened; the diaphragm needs not to be split into a front lens frame and a rear lens frame; a diaphragm sheet of the diaphragm module and a movable ring can be directly assembled into the lens frame side face, and a lens frame diaphragm groove and screws can fasten the diaphragm seat; the front and rear lenses of the diaphragm can be directly assembled into the same lens frame, thus improving the coaxiality precision of the assembled lenses, and greatly improving the lens yield rate and stability.

Description

technical field [0001] The invention belongs to the technical field of machine vision, and in particular relates to a machine vision lens with high coaxial precision combined with a lens. Background technique [0002] The diaphragm plate and the diaphragm moving ring of the existing machine vision lens need to be assembled from the front of the rear frame, and then fastened with a snap ring, so the front and rear of the diaphragm need to be divided into two groups of frames for splicing. The splicing of the two groups of frames will inevitably result in low concentricity accuracy of the two groups of lenses in the front and rear of the diaphragm after assembly, and it is difficult to meet the optical performance requirements of the lens. [0003] For example, in mechanical processing, the processing coaxiality of a single frame is controlled at 0.02mm, and the splicing of two frames will inevitably result in a coaxiality of 0.04mm, while the general lens optical design requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/02G02B7/04
CPCG02B7/022G02B7/04
Inventor 吴富宝蔡冬波
Owner XIAMEN LEADING OPTICS
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