Laser welding defocusing amount measuring device and method

A measurement device and laser welding technology, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of high operator requirements, precision errors, time-consuming and labor-intensive problems, and achieve high data transmission speed, good real-time performance, The effect of improving processing efficiency

Pending Publication Date: 2017-12-01
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If manual jog measurement is used, there will be accuracy errors, high requirements for operators, and time-consuming and labor-intensive defects. Therefore, a new method is urgently needed to solve the above technical problems

Method used

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  • Laser welding defocusing amount measuring device and method
  • Laser welding defocusing amount measuring device and method
  • Laser welding defocusing amount measuring device and method

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Embodiment Construction

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

[0033] In addition, if there are descriptions involving "first", "sec...

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Abstract

The invention discloses a laser welding defocusing amount measuring device. The laser welding defocusing amount measuring device comprises a laser measuring head, a controller box and a computer. A laser transmitter is arranged in the laser measuring head, visible light is transmitted and irradiates to the surface of a welding line, a PSD is arranged in the controller box for receiving welding line reflection light rays, and the laser measuring head and the controller box are fixedly connected. The center line of the laser measuring head intersects with the center line of the controller box, and the computer is electrically connected with the laser transmitter and the PSD. The invention further provides a measuring method using the laser welding defocusing amount measuring device. Compared with the prior art, the technical scheme has the beneficial effects that measuring is convenient and fast, precision is high, and reliability and universality are achieved; and the laser welding defocusing amount measuring reliability, precision and work efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of laser welding, in particular to a laser welding defocus amount measuring device and a measuring method. Background technique [0002] Laser welding technology has been widely used in automobiles, trains, ships, aerospace, machinery manufacturing and other technical fields due to its advantages of short action time, high efficiency, fast speed, small deformation, high welding seam quality and welding accuracy, and easy automation. Apply and gradually replace the traditional arc welding process. [0003] Some preparations are required before laser welding, among which the pre-teaching preparation stage is required, in which the debugging of the welding defocus amount is a difficult point, especially for laser processing of materials with different plate thicknesses, the required defocus amount debugging will increase a lot of work, and labor The debugging accuracy is low, and it is difficult to meet the ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/046B23K26/70B23K26/21
CPCB23K26/046B23K26/21B23K26/702
Inventor 高向东黄怡洁刘桂谦
Owner GUANGDONG UNIV OF TECH
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