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Welding seam tracking and detecting equipment

A tracking detection and equipment technology, applied in the field of detection, can solve the problems of large size, high price, and unadjustable optical path, and achieve the effect of adjustable optical path parameters, low price, and small size

Active Publication Date: 2011-01-05
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The way of using diffraction grating is expensive, while the way of using multiple lasers is relatively large
In addition, the optical path of traditional multi-line structured light cannot be adjusted, and the applicability of working conditions is poor

Method used

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  • Welding seam tracking and detecting equipment
  • Welding seam tracking and detecting equipment
  • Welding seam tracking and detecting equipment

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Embodiment Construction

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0020] In the description of the present invention, the orientations or positional relationships indicated by the terms "upper", "lower" and the like are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and do not require that the present invention must be based on a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In the description of the present invention, "downstrea...

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Abstract

The invention discloses welding seam tracking and detecting equipment. The equipment comprises an imaging device, a structured light generator and an optical device, wherein the imaging device is used for imaging a welding seam; the structured light generator is used for generating structured light; and the optical device can reflect and refract light so as to split the structured light emitted from the structured light generator into refracted light and reflected light which irradiate to the welding seam. By using the welding seam tracking and detecting equipment of the invention, a structured light splitting effect is achieved by adopting the reflection and refraction properties of the optical device, so as to split the structured light, and detect and track a curve welding seam with complex shapes.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a seam tracking detection device. Background technique [0002] In the field of automatic welding, since the operator is not suitable to enter the welding work area, it is impossible to closely monitor the welding process in real time and make necessary adjustments and controls. Changes in factors such as dimensional errors and position deviations and workpiece heating deformation will cause the position of the joint to deviate from the predetermined path, which will lead to a decrease in welding quality or even failure. Therefore, accurate seam tracking is the key to ensure welding quality. [0003] In the prior art, structured light seam tracking sensors are widely used to track and detect welds. Traditionally, single-line structured light seam tracking sensors are commonly used, so they can only be used for tracking and detecting linear seams. For curved welds, multi-line ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/127G01B11/00
Inventor 郑军潘际銮
Owner TSINGHUA UNIV
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