Seamless steel tube production device

The invention relates to the technical field of seamless steel pipe production, and particularly discloses a seamless steel pipe production device which comprises a workbench, a planetary gear mechanism and a power piece, the planetary gear mechanism and the power piece are arranged on the workbench, a sun gear in the planetary gear mechanism is coaxially connected with a screw, the screw is in threaded connection with a threaded sleeve, and a sliding block is fixed to the threaded sleeve; the sliding block is provided with a supporting frame used for containing a steel pipe and a clamping assembly capable of clamping the steel pipe. Planet wheels in the planetary gear mechanism are coaxially connected with punching rods used for punching the steel pipe. The clamping assembly comprises symmetrically-arranged clamping arms, the clamping arms are fixedly connected with rotating shafts rotationally connected with the sliding blocks, the adjacent rotating shafts are coaxially connected with mutually-meshed gears,