Extended forged tube inner dimeter processing machine

The invention belongs to the technical field of forged tube processing equipment, particular relates to an extended forged tube inner dimeter processing machine, and solves the problem in forged tubeinner diameter processing. The extended forged tube inner dimeter processing machine comprises a lathe; one end of the lathe is provided with a four-pawl disc; one end of an extended forged tube is fixed to the four-pawl disc; the extended forged tube is mounted on a center rack that is mounted on the lathe; the center of the four-pawl disc is fixed to one end of a fixing frame tool sleeve; the other end of the fixing frame tool sleeve is fixed to a tailstock and is connected with a variable speed motor through a chain; a screw that can drive the fixing frame tool sleeve to move back and forthis arranged in the fixing frame tool sleeve; a tool bar is arranged in the fixing frame tool sleeve; a machining tool is fixed to the outer side of the fixing frame tool sleeve. The extended forged tube inner dimeter processi