Metal pipe cutting machine for steel structure roof

The utility model relates to the field of pipe cutting machines, in particular to a metal pipe cutting machine for a steel structure roof, which comprises a rack and a protective device, a cutter is arranged on the surface of the rack, the protective device is arranged on the surface of the rack and comprises a baffle, the baffle is slidably connected with the rack, one side of the rack is fixedly connected with a motor, and the motor is fixedly connected with the rack. A gear is fixedly connected to the driving end of the motor, driving teeth are arranged on one side of the baffle, the gear is in meshed connection with the driving teeth on one side of the baffle, a sliding rod is fixedly connected to one side of the rack, a hook is slidably connected to the surface of the sliding rod, a first groove is formed in one side of the baffle, and the hook is in clamped connection with the first groove in one side of the baffle. And a user is effectively protected, the situation that sparks are sputtered to the body