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Inner defect detector for annular workpiece

A ring-shaped workpiece and internal defect technology is applied in the field of ring-shaped workpiece internal defect detectors to achieve the effects of improving detection efficiency and safety, high degree of detection automation, and fast detection speed

Inactive Publication Date: 2011-09-21
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the deficiencies of the detection methods in the above-mentioned background technology, the purpose of the present invention is to provide a ring-shaped workpiece internal defect detector suitable for most complex ring-shaped workpiece internal defect detection

Method used

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  • Inner defect detector for annular workpiece
  • Inner defect detector for annular workpiece
  • Inner defect detector for annular workpiece

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Experimental program
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Effect test

specific Embodiment approach

[0038] After the detection starts, place the ring-shaped workpiece 3 to be tested on two guide rail frames 14, make the ring-shaped workpiece 3 slide down and stagnate in the positioning ring 10, and the photoelectric switch 11 of the feeding unit counts the number of the sliding ring-shaped workpiece 3, and sends the signal Pass to the microprocessor, push away the flashboard 27 around the flashboard shaft 25, the annular workpiece 3 falls on the annular workpiece support plate 36, and the photoelectric switch 8 on the annular workpiece support plate 36 counts the annular workpiece 3 dropped; Start the DC motor 20, and the DC motor 20 drives the dial 7 to rotate. At the same time, each group of upper levers 32 and lower levers 35 sequentially push the ring workpiece 3 to drop from the ring workpiece support plate 36 to the excitation plate 41 to generate a sound signal, and the microphone 43 The sound signal is collected, amplified and encoded, and then sent to the DSP process...

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Abstract

The invention discloses an inner defect detector for the annular workpieces, comprising a feeding unit, a host unit, a detecting unit, a discharging unit, a collecting unit and a processing circuit, wherein the feeding unit is fixed on a first door-shaped frame of the host unit, the detecting unit is mounted under the panel of the host unit, the discharging unit and the collecting unit are fixed a second door-shaped frame of the host unit, the processing circuit is mounted on the base. The detector has high automation degree of detection, namely, the detector can automatically discharge, detect, classify and collect the annular workpieces, therefore improving the detecting efficiency and the safety; the detector has wide application scope, namely the detector can detect the inner secret defects for most of complex annular workpieces; the automation streamline detector is adopted, the detecting speed is rapid and the continuous operation is performed; the detecting accuracy is high, the audio frequency detecting method can overcome the defects in the traditional method such as missing detection, false detection and the like.

Description

technical field [0001] The invention relates to a detection device, in particular to a detector for internal defects of an annular workpiece. Background technique [0002] Internal defects of ring workpieces are an important factor affecting the quality of ring workpieces. The existing detection methods for internal defects of annular workpieces mainly include ultrasonic detection method and radiographic detection method. Ultrasonic testing method cannot realize the detection of complex ring-shaped workpieces, and requires experienced inspectors to operate and judge the test results. The radiography inspection method requires multi-angle inspection, and the rays are difficult to penetrate, so internal cracks cannot be effectively detected. At the same time, the efficiency of manual detection is low, there are many interference factors, and there are problems such as false detection and missed detection. Contents of the invention [0003] In view of the shortcomings of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/34G01N29/22
Inventor 叶树亮杨遂军侯德鑫
Owner CHINA JILIANG UNIV
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