Cooling device of stamping die

The utility model discloses a cooling device of a stamping die, which relates to the technical field of stamping dies, and comprises an upper die holder and a lower die holder, a sliding rod is arranged between the upper die holder and the lower die holder, a lifting seat is arranged on the sliding rod, a stamping male die is arranged below the lifting seat, a profiled groove matched with the stamping male die is arranged on the lower die holder, and the upper die holder and the lower die holder are arranged in the profiled groove. A groove is formed in the stamping male die and used for forming a workpiece, a heat absorption support is arranged in the stamping male die, the upper portion of the heat absorption support extends out of the upper surface of the stamping male die and makes contact with the refrigerating end of a refrigerating unit, the refrigerating unit is installed on the lower portion of a heat dissipation cylinder, and the heat dissipation cylinder is fixedly connected to the upper surface of