Special plasma cutting machine of steel pipe

The utility model discloses a special plasma cutting machine of steel pipe, including work piece platform and cutting bed, three -jaw chuck is installed to the work piece bench, three -jaw chuck orders about the rotation by main motor, and the work piece bench of three -jaw chuck front side is equipped with spaced work piece backing rolls around a plurality of, the cutting bed is located the leftside or the right side of work piece platform, be equipped with the guide rail parallel with the work piece on the cutting bed, plasma cutting machine's bottom be equipped with with the rail wheel ofguide rail cooperation walking, the rail wheel is by fixing the motor drive of walking certainly on the plasma cutting machine casing, be equipped with the dead lever to one side level extension of work piece platform on plasma cutting machine's the casing, plasma cutting machine's cutting torch fixes on the dead lever, the global of work piece is aimed at to cutting torch's muzzle. The efficiencyof the cutting is greatly