Laser welding head device with welding seam tracking function

Abstract

The invention discloses a laser welding head device with the welding seam tracking function and relates to the field of laser welding. The laser welding head device with the welding seam tracking function comprises a laser welding head, an external structured light part and a camera part, wherein the external structured light part and the camera part are fixedly arranged on the two sides of the laser welding head correspondingly. The external structured light part comprises a shell, the middle of the interior of the shell is fixedly connected with a laser device which vertically irradiates laser downwards, a rotating block is arranged at the lower left corner of an inner cavity of the shell, and the right side of the rotating block is fixedly connected with a reflector. According to the laser welding head device with the welding seam tracking function, external structured light is adopted, a part of a light path of the laser welding head serves as a lens part, an image is projected to an external camera, the laser welding head device integrates a welding seam tracking sensor function and the laser welding function, and compared with the mode that a welding seam tracking sensor is fixed to a laser welding head through a clamp, the laser welding head device with the welding seam tracking function has the the advantages of being small in occupied space and small in distance between a detection position and a welding position.

Description

technical field [0001] The invention relates to the technical field of laser welding, in particular to a laser welding head device with a welding seam tracking function. Background technique [0002] Compared with traditional welding methods, laser welding has the advantages of high energy density, strong penetration, high precision, and strong adaptability. As a modern high-tech product, laser welding has become an indispensable processing technology for the development of modern industry. With the rapid development of aerospace, electronic automobile manufacturing, medical and nuclear industries, the structure and shape of product parts are becoming more and more complex, the requirements for material performance are constantly improving, and the requirements for processing accuracy and welding quality are becoming increasingly strict. The requirements for production efficiency and working environment are getting higher and higher, and the processing method combining seam...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides a laser welding head device with seam tracking function, which solves the problem that the welding seam tracking sensor is fixed on the laser welding head, and the distance between the detection position and the welding position is too large to cause the actual welding The spatial coordinates of the point are inconsistent with the detection spatial coordinates of the point, resulting in welding failure; the use of external structured light has the problem of exposed components and no protection, and is easily affected by high temperature, splashes, and smoke during the application process

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