Steel wire heating device

The utility model discloses a steel wire heating device comprising a heat conduction device arranged in a cavity of an extruding machine head, wherein the outer wall of the heat conduction device is abutted against the inner wall of the cavity of the extruding machine head, and a hole into which a steel wire can be plugged is arranged in the heat conduction device. According to the above technical solution, in the steel wire heating device provided by the utility model, the heat conduction device arranged in the cavity of the extruding machine head, heat of the extruding machine head is transmitted to the steel wire through the heat conduction device, preset temperature is set through an extruding machine according to characteristics of polyethylene plastic in working processes, the preset temperature of the extruding machine satisfies requirements of the steel wire for heating temperature, the heat of the extruding machine head is transmitted to the steel wire through the heat conduction device, and temperat