Cold-drawing chuck

The utility model discloses a cold-drawing chuck, relates to the technical field of seamless steel tube cold-drawing chucks, and solves the technical problems that when a seamless steel tube is clamped by chucks on two sides at present, the phenomenon of non-uniform stress is easy to occur, a tube orifice is easy to deform, and the fixing effect is poor. Comprising a bottom plate, an L-shaped plate is fixedly installed in the middle of the top end of the bottom plate, a fixing frame is fixedly installed on one side of the L-shaped plate, a pipe body is arranged on one side of the fixing frame, two transverse plates are fixedly installed in the fixing frame, a two-way lead screw is rotationally connected between the two transverse plates, and a moving assembly is arranged on the surface of the two-way lead screw; the moving assembly comprises two first moving blocks, two first arc-shaped plates, a worm gear and two first sliding blocks. The two first moving blocks are in threaded connection to the two ends of