Full-automatic pipe cutting machine

The utility model discloses a full-automatic pipe cutting machine, which relates to the technical field of pipe processing equipment, and comprises a working table main body, a driving motor is arranged in the working table main body, a transmission screw rod is arranged at one end of the driving motor, and a screw rod nut is sleeved on the outer wall of the transmission screw rod. According to the utility model, the length fixing plate, the positioning screw rod and the limiting clamping plate are arranged, so that the length can be accurately adjusted according to the graduated scale on the length fixing plate; by arranging the driving motor, the transmission lead screw, the lead screw nut, the movable sliding block and the movable push plate, under the moving action of the movable sliding block, the movable push plate can be synchronously driven to move along the interior of the pipe containing groove, then the to-be-cut pipe in the pipe containing groove is pushed through the movable push plate, and autom