Module device of laser cutting machine

The embodiment of the invention provides a laser cutting machine module device, and relates to the technical field of sample physicochemical laboratory testing in the iron and steel industry. The problem that the steel plate radian adaptability is not high due to the fact that suction only depends on suction cups is solved. The cutting device comprises a cutting platform, a plurality of supporting plates and a plurality of vacuum air cylinder assemblies. The surfaces of the multiple supporting plates are coplanar, and the multiple supporting plates are used for jointly supporting a steel plate; each vacuum air cylinder assembly comprises a vacuum air cylinder and a suction cup, the vacuum air cylinders are vertically arranged on the cutting platform, each vacuum air cylinder comprises a piston rod provided with a vacuum channel, and the suction cups are fixed to the ends of the piston rods and communicate with the vacuum channels. The vacuum cylinder is used for driving the sucker to approach the steel plate