Stretching processing device for smooth pipe of heat pipe

The utility model relates to the technical field of heat pipe processing, and discloses a stretching processing device for a smooth pipe of a heat pipe, which solves the technical problems of complex structure and high cost of the conventional stretching processing device, and comprises a stretching disc, a feeding copper pipe blank, a stretching die and a discharging copper pipe blank, the head of the feeding copper pipe blank provided with the floating core head is pointed, the pointed end of the copper pipe is rotated to a die stand after being pointed, the copper pipe blank penetrating through the drawing die is clamped by a drawing disc of a disc drawing machine, diameter-reducing and wall-reducing drawing of the feeding copper pipe blank is achieved through the drawing die and the floating core head, and a corresponding diameter-reducing and wall-reducing discharging copper pipe blank is produced; and the discharged copper pipe blank serves as a feeding copper pipe blank of the next pass and then enters