Special-shaped oil pipe punching machine

The utility model discloses a special-shaped oil pipe stamping machine, which relates to the technical field of special-shaped oil pipe stamping, and comprises a bottom plate, a support component and a stamping lower die are arranged on the bottom plate, a notch is arranged on the bottom plate, a two-way screw is arranged in the notch, two ends of the two-way screw are rotatably connected with two ends of the notch respectively, and sliders are sleeved at two ends of the two-way screw respectively. The two sliding blocks are in sliding fit with the notches correspondingly, a power assembly is arranged on one side of the bottom plate and can drive the two-way screw to rotate, clamping assemblies are arranged on the two sliding blocks and can fix the stamping lower die, and a stamping assembly is arranged on the supporting assembly and comprises an air cylinder and a stamping head. The stamping head is detachably arranged on the stamping assembly, the air cylinder can drive the stamping head to move, the stampi