Preheating type galvanometer laser cutting mechanism and laser cutting equipment

The utility model discloses a preheating type galvanometer laser cutting mechanism and laser cutting equipment. The preheating type galvanometer laser cutting mechanism comprises a lifting module, a galvanometer laser cutting mechanism and a laser cutting mechanism, a scanning type laser galvanometer module; the preheating platform is used for bearing a workpiece to be subjected to laser cutting; the distance measuring module is arranged at the output end of the lifting module, the distance measuring module is used for measuring the distance between the distance measuring module and the bearing surface of the preheating platform, and the lifting module can control the height of the scanning type laser galvanometer module according to the distance measured by the distance measuring module so as to adjust the focal length position of laser cutting; the laser cutting equipment comprises the preheating type galvanometer laser cutting mechanism. The preheating type galvanometer laser cutting mechanism and the lase