Method for realizing automatic engraving of large-area curved-surface plastic part of laser engraving machine

The invention discloses a method for realizing automatic engraving of a large-area curved-surface plastic part by a laser engraving machine, which comprises the following steps of: 1, mounting equipment, and fixing engraving equipment and a robot on the surface of a worktable according to the position of the equipment; 2, a system is set, the engraving equipment and the robot are subjected to associated control through a control system, and a PLT file conversion program is set in the control system; a PLT file can be converted into a robot 3D walking program through the control system, the laser engraving machine is fixed, a PLT design file is sent to the robot, the robot grabbing a plastic part completes 3D walking around the original point of the engraving machine according to the conversion program, and a plastic curved surface is subjected to burning forming of patterns without being limited by the range; and the automatic engraving processing procedure of the large-area curved-surface plastic part of the