Steel rod cold rupturing device

The utility model discloses a steel rod cold rupturing device. The device comprises a hanging bracket, a falling body, a winding and unwinding unit and a steel rod supporting frame, wherein the falling body is hung on the hanging bracket through the winding and unwinding unit, the lifting and the lowering of the falling body can be controlled through the winding and unwinding unit, and the bottom of the falling body is provided with a flange; the steel rod supporting frame is arranged right below the hanging position of the falling body, the steel rod supporting frame comprises a female die which is arranged at the top of the steel rod supporting frame, and the female die is matched with the flange of the falling body. The steel rod cold rupturing device has the advantages that not only can the forging capacity of forging equipment be guaranteed, but also the energy consumption and the waste of steel materials can be decreased.