Automatic robot three-dimensional laser cutting system and thereof

Abstract

The invention discloses an automatic robot three-dimensional laser cutting system and method. The cutting system comprises an upper computer system, a data collecting system, a visual sensor, an industrial robot, a laser device, a laser cutting head and a cooling device. The cutting method comprises the following steps that (1) offline cutting track planning; (2) offline cutting technological parameter planning; (3) cut object detecting and positioning; (4) automatic robot three-dimensional laser cutting. By means of the automatic robot three-dimensional laser cutting system and the cutting method thereof, the automatic three-dimensional positioning of a cut object can be achieved, the cutting precision and efficiency are improved, meanwhile, the transformation of the cutting track to a workpiece coordinate system from a digital analogy coordinate system is automatically achieved, the processes of automatic track planning and cutting technological parameter planning can be achieved, the cutting efficiency and precision can be effectively improved, and the automatic robot three-dimensional laser cutting system and the cutting method thereof can be used in laser cutting.

Description

technical field [0001] The invention relates to a laser cutting system, in particular to a three-dimensional laser cutting system and a cutting method. Background technique [0002] Three-dimensional laser cutting has important application prospects in the fields of automobiles, aerospace, and ships. It is the main means of sheet metal processing and key parts processing. It has the characteristics of high precision and fast speed. Burrs, with flexible and flexible characteristics, are suitable for cutting complex shapes. With the development of robot technology, the combination of robot and 3D laser cutting technology has become an inevitable trend. Through the programming and control of the robot, the planning and automatic execution of cutting can be realized, which significantly improves the cutting speed and efficiency. The robot 3D laser cutting system has become The inevitable development trend of precision cutting of sheet metal and other special new materials. [...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing three-dimensional laser cutting method based on teaching programming is low in automation and difficult to guarantee accuracy, and the three-dimensional laser cutting method based on off-line programming needs to manually convert the digital-analog coordinate system to the workpiece coordinate system problem, provide a robot three-dimensional laser automatic cutting system and its cutting method

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