Image acquisition device for small magnetic material part

An image acquisition device and a technology for magnetic materials, which are applied in the field of image acquisition devices and image acquisition of small-sized parts, can solve the problems of false detection, high missed detection rate, limited development of the magnetic material industry, and high detection subjectivity. High efficiency, good detection effect, and the effect of avoiding repeated debugging

Inactive Publication Date: 2018-09-28
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The method of manual full inspection to detect defects is highly subjective, and the rate of false detect

Method used

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  • Image acquisition device for small magnetic material part
  • Image acquisition device for small magnetic material part
  • Image acquisition device for small magnetic material part

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[0028] The present invention will be further explained below in conjunction with the drawings:

[0029] Such as figure 1 As shown, a machine vision part size and appearance measurement system includes a side length dimension drawing mechanism 1, a thickness dimension drawing mechanism 2, a top view appearance drawing mechanism 3, a bottom view appearance drawing mechanism 4, and a slide rail mechanism 5. , The bottom plate 6 is fixed, and corresponding light sources, camera components and adjustment devices are sequentially fixed on the support rods of different stations.

[0030] Such as image 3 As shown, the side length size detection station is sequentially fixed with a backlight module and a camera assembly, in which the backlight 1-5 is fixed on the backlight pallet 1-6 by screws, and the backlight pallet 1-6 is equipped with plum blossoms. The clamping block of the thumb screw 1-7 is fixed on the support rod 1-8, and the rough adjustment of the up and down distance can be ca...

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Abstract

The invention discloses an image acquisition device for a small magnetic material part, relates to the field of image acquisition devices, and particularly relates to the field of image acquisition ofsmall parts. The device comprises a fixed bottom plate, an objective table, a side length size imaging mechanism, a thickness size imaging mechanism, a top view appearance imaging mechanism and a bottom view appearance imaging mechanism; the objective table comprises a support frame, a motor and a carrier disc, the carrier disc is made of a transparent material, the support frame is mounted on the fixed bottom plate, the motor and the carrier disc are mounted on the support frame, and the motor can drive the carrier disc to rotate; and the side length size imaging mechanism, the thickness size imaging mechanism, the bottom view appearance imaging mechanism and the top view appearance imaging mechanism are arranged on the fixed bottom plate and are located around the objective table. The device has the advantages of high repeatability precision, good stability, small influences of the time and the environment on the system detection precision, realization of the detection accuracy meeting micrometer-level detection accuracy requirements, suitableness for detecting the size and the appearance of parts with different shapes and different specifications, and extensive uses.

Description

technical field [0001] The invention relates to the field of image acquisition devices, especially the field of image acquisition of small-sized parts. Background technique [0002] Magnetic materials have excellent magnetic properties and are widely used in electronics, electrical machinery, medical equipment, toys, packaging, hardware machinery, aerospace and other fields. The more common ones are permanent magnet motors, loudspeakers, magnetic separators, computer disk drives, magnetic Resonance imaging equipment instrumentation, etc. In the production process, due to the complex process, various types of surface coatings, and the performance of today's testing equipment, it is difficult to realize automatic detection of defects. At present, most of the domestic manufacturers adopt the manual full inspection method for magnetic materials. The method of manual full inspection to detect defects is highly subjective, and the rate of false detection and missed detection is ...

Claims

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Application Information

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IPC IPC(8): G01N21/88G01B11/02G01B11/06
CPCG01B11/02G01B11/06G01N21/8806G01N21/8851G01N2021/8841
Inventor 肖峻刘笑寒陈祥刘城作刘娟秀张静倪光明杜晓辉郝如茜刘霖刘永
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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