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Welding groove detection method

A detection method and welding groove technology, which is applied to measuring devices, instruments, and optical devices, etc., can solve the problems of poor welding quality and welding torches that cannot face the groove directly, and achieve the effect of improving welding quality

Active Publication Date: 2020-02-21
CRRC TANGSHAN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a welding groove detection method to solve the technical problems in the prior art that the size and position of the groove will change, resulting in the welding torch not facing the groove directly and poor welding quality

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] figure 1 It is a schematic diagram of the image of the moving template in the welding groove detection method provided by the embodiment of the present invention.

[0038] Please refer to figure 1 . This embodiment provides a method for detecting a welding groove, including: acquiring a template image of the groove section, and acquiring...

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Abstract

The invention provides a welding groove detection method. The welding groove detection method comprises the following steps that: the template image of the section of a groove is obtained, and the actually measured image of the section of the groove is obtained through a laser displacement sensor; the template image is moved along a direction parallel to a horizontal axis, so that the template image is overlapped with the actually measured image; the transverse position of the groove is determined according to the moving distance of the template image; a distance between the actually measuredimage and the template image is determined according to the moving distance of the template image; and thus, the transverse position of the welding groove is detected, it is guaranteed that a weldinggun always right faces the groove, and welding quality is improved.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a method for detecting welding grooves. Background technique [0002] In the production process of rail vehicles, welding is often used to connect two parts on rail vehicles; therefore, how to weld quickly to improve the production speed of rail vehicles has become a research hotspot. [0003] In the prior art, welding robots are often used for welding, and the welding robots can work continuously, which can increase the production speed of rail vehicles. The welding robot includes a welding torch and a controller for controlling the operation of the welding torch. The control program is stored in the controller, and the controller controls the operation of the welding torch according to the control program for welding. When in use, it is necessary to open a welding groove on the parts to be welded so that the molten solder enters the groove during welding to ensure the welding...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 钮旭晶王荣浩鲁二敬李宝旺郁志凯张文昌
Owner CRRC TANGSHAN CO LTD