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Method and device for repairing weld track, laser welding equipment and storage medium

A trajectory and target area technology, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve problems such as flexible processing, incomplete welding seam trajectory, and affecting welding quality, and achieve the effect of improving welding quality

Active Publication Date: 2022-04-01
HANS LASER TECH IND GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For some complex weldments, such as irregular curve welds or weld defects, automated welding cannot handle such weldments as flexibly as manual welding
[0003] In the process of studying the present invention, the inventor found that in the prior art, when there is a weld defect on the weld track, it cannot be repaired, resulting in the incomplete weld track obtained, which seriously affects the welding quality

Method used

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  • Method and device for repairing weld track, laser welding equipment and storage medium
  • Method and device for repairing weld track, laser welding equipment and storage medium
  • Method and device for repairing weld track, laser welding equipment and storage medium

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Embodiment Construction

[0030] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

[0032] An embodiment of the present invention discloses a method for repairing a tra...

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Abstract

The invention belongs to the technical field of laser welding, and relates to a method, a device, a laser welding device and a storage medium for repairing a welding seam track. The method for repairing the weld track includes: collecting images of welding areas; performing binary segmentation on the images to distinguish target areas and background areas in the images; The image is filled with small holes; the edge of the target area and the background area is smoothed by using the morphological opening operation; the target area is extracted by the seed filling method; the weldment is extracted in the target area Weld track; when there is one or more convex features on the weld track, use the convex hull algorithm based on edge scanning to obtain the convex points on the weld track; all the convex points obtained Connect sequentially to fit the repaired weld trajectory. The invention can repair weld defects and improve welding quality.

Description

technical field [0001] The invention belongs to the technical field of laser welding, and relates to a method, a device, a laser welding device and a storage medium for repairing a welding seam track. Background technique [0002] Laser automated welding has become a trend. Compared with manual welding, laser automatic welding has the advantages of high precision, high efficiency and low cost. Laser automatic welding is mostly used in some simple weldments, such as straight line welds and arc welds. For some complex weldments, such as irregular curve welds or weld defects, automated welding cannot handle such weldments as flexibly as manual welding. [0003] In the process of studying the present invention, the inventor found that in the prior art, when there are weld defects on the weld track, it cannot be repaired, resulting in the incomplete weld track obtained, which seriously affects the welding quality. Contents of the invention [0004] The embodiment of the inve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/11G06T7/13G06T5/00G06T5/30
CPCB23K26/24B23K26/30B23K26/032B23K26/702
Inventor 林德育余锦望封雨鑫陈焱高云峰
Owner HANS LASER TECH IND GRP CO LTD