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Unbeveledend butt weld detection system based on reflecting two-way converging adjustable light path

A technology of butt weld and detection system, which is applied in measuring devices, material analysis by optical means, instruments, etc., can solve the problems that affect the development of automatic welding technology of welds, difficult to achieve high-precision detection, and small weld characteristics. It can improve the stability and anti-interference of detection, facilitate later imaging, and stabilize the wavelength.

Inactive Publication Date: 2014-04-23
TANGSHAN YINGLAI SCI & TECH
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Problems solved by technology

The conventional line-structured light weld detection method is easy to be affected by interference due to the small characteristics of the weld itself, and it is difficult to achieve real-time, effective, reliable and high-precision detection, which affects the development of automatic welding technology for this type of weld

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  • Unbeveledend butt weld detection system based on reflecting two-way converging adjustable light path

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Embodiment Construction

[0011] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further explained below in conjunction with specific illustrations and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0012] reference figure 1 , The embodiment of the present invention provides a non-grooved butt weld detection system based on a reflective two-way convergence and adjustable optical path, which includes an imaging device 1 and an image controller 4 connected to it. The imaging device is a CCD camera or a CMOS A camera, a light source generating device 21 and a light source generating device 22 are symmetrically fixed on both sides of the imaging device 1, the light source is a laser, and a mirror 31 and a mirror are respectively arranged vertically below the light outlets of the tw...

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Abstract

The invention relates to an unbeveledend butt weld detection system based on a reflecting two-way converging adjustable light path. The detection system comprises an imaging device and an image controller connected with the imaging device, wherein two light source generators are symmetrically and fixedly arranged at two sides of the imaging device, reflectors are arranged right below the light exits of the light source generators, the reflectors can rotate around the vertical direction so as to form certain angle, the light ray emitted from the light source generator is firstly reflected by the reflector, then passes through a plate to be detected and enters the imaging device, an image formed by the imaging device is transmitted to the image controller by the imaging device, and the image controller processes the received image so as to obtain a high definition weld inspection image. According to the detection system, the butt weld is illuminated by the reflecting two-way converging light path, therefore, the illumination intensity is enhanced, furthermore, and the influence of the shadow generated by irradiating the weld joint by one-way light on welding position detection is eliminated; the reflectors change the light path, thus decreasing the size of the system, and being beneficial to imaging in later period.

Description

Technical field [0001] The invention relates to the field of welding seam detection, in particular to a non-groove butt welding seam detection system based on a reflective two-way convergence adjustable light path. Background technique [0002] In the field of welding automation, it is often necessary to automate welding of thin plate welds such as aluminum plates and stainless steel plates. Such welds are usually not grooved, and the weld gap is zero or small (within 0~1mm). And the requirements for real-time, accuracy and reliability of weld inspection are relatively high (the inspection time is within 0.05s, and the inspection accuracy is within 0.05mm). The conventional line-structured light welding seam detection method is difficult to achieve real-time, effective and reliable high-precision detection due to the small characteristics of the welding seam itself and easy to be affected by interference, which affects the development of this type of automatic welding technology....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84
Inventor 袁雷赵治军曹晓娜刘长鹤刘鸿鹏
Owner TANGSHAN YINGLAI SCI & TECH
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