Application No./Patent No.: 2017105655963 Application date: July 12, 2017.
Inventor/Designer: Cao Yu, Xu Wenjun, Yang Huan, Chen Yifeng, Sun Ke, Zhang Jian, Zhu Dehua, Liu Wenwen and Sun Bingtao.
This civilization provides a closed-loop laser processing quality control equipment based on molten pool splash detection, which comprises a laser processing head, splash baffles and a plurality of thermal imagers; The laser processing head is cylindrical, the bottom end is provided with a conical processing nozzle, the inner cavity is provided with a focusing mirror and a protective lens, and the outer side wall is provided with a protective air curtain; The splash baffle surrounds the periphery of the laser processing head in an umbrella shape with a circulating water cooling channel inside, and the surface of the splash baffle is provided with a water inlet and a water outlet; The splash baffle is connected with the laser processing head through a detachable structure; A plurality of thermal imagers are uniformly arranged on the outer wall of the laser processing head and below the splash baffle. According to the invention, it is feasible to analyze the quality of laser processing technology in real time during laser processing, and complete closed-loop control of processing quality is realized by combining online real-time adjustment of laser processing technology parameters. The invention also provides a closed-loop laser processing quality control method based on molten pool splash detection.
