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: 2012-11-14
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be understood as limiting the present invention.

[0020] In the description of the present invention, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and does not require that the present invention must be specified The azimuth structure and operation cannot be understood as a limitation of the present invention. In the description of the present invention, "downstream" r...

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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 present invention relates to the field of detection technology, in particular to a welding seam tracking detection device. Background technique [0002] In the field of automated welding, because the operator is not suitable for entering the welding work area, it is impossible to monitor the welding process at close range in real time and make necessary adjustment and control. Therefore, when the actual welding conditions change, for example, the workpiece during the welding process is in the process of processing and assembly. Changes in factors such as dimensional error and position deviation and workpiece heating deformation will cause the joint position to deviate from the predetermined path, which will lead to deterioration of welding quality or even failure. Therefore, accurate welding seam tracking is the key to ensuring welding quality. [0003] In the prior art, structured light weld seam tracking sensors are widely used to track and detect weld...

Claims

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Application Information

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