Protective cutting head of laser cutting machine

The utility model discloses a laser cutting machine protection cutting head which comprises an installation plate and a laser cutting mechanism fixedly installed at the lower end of the installation plate, adjusting mechanisms are fixedly installed on the two sides of the lower end of the installation plate, and the lower ends of the adjusting mechanisms are fixedly connected with protection mechanisms. The laser cutting mechanism comprises a laser machine and a laser head fixedly installed at the lower end of the laser machine, and the lower end of the surface of the laser machine is sleeved with an adjusting column. The adjusting mechanism comprises a fixing column, an adjusting cavity is formed in the fixing column, an adjusting air bag is fixedly installed in the adjusting cavity, and a connecting column is connected to the lower end of the adjusting cavity in a clamped mode. Inflation adjustment is conducted after an adjusting air bag is inflated externally, a connecting column connected with the lower e