Automatic thread turning device for aluminum pipe external thread machining

The utility model discloses an automatic thread turning device for aluminum pipe external thread machining, which comprises a base plate, the top end of the base plate is fixedly connected with a supporting mechanism, a slotting mechanism and a first electric telescopic rod respectively, a sliding groove is formed in the center of the top end of the base plate, the top end of the sliding groove is slidably connected with a motor, and the first electric telescopic rod is connected with the motor. According to the grooving device, a second electric telescopic rod, a limiting cylinder and a cover body are arranged, so that a workpiece can be better clamped, the fixing strength of the workpiece can be better improved due to the arrangement of an inner anti-sliding block and an outer anti-sliding block, and therefore the workpiece can be better grooved; and a first electric telescopic rod and a motor are arranged, so that the workpiece can be slotted better. 本实用新型公开了一种铝管外螺纹加工用自动车螺纹装置，包括基板，所述基板顶端分别固定连接有支撑机构、开槽机构与第一