Metal mold with cooling function

The utility model discloses a metal mould with a cooling function, which comprises a lower mould plate and a spring plunger, the upper end of the lower mould plate is provided with the spring plunger, the upper end of the spring plunger is provided with a limit plate, the limit plate is internally provided with a lower mould punching opening, the upper end of the lower mould plate is provided with a positioning column, and the lower mould punching opening is provided with a lower mould punching opening. An upper die plate is arranged over the lower die plate, a guide column and an upper die punching opening are arranged at the lower end of the upper die plate, a die handle is arranged at the upper end of the upper die plate, an auxiliary separating device is arranged on the left side of the lower die plate, and the auxiliary separating device comprises a connecting plate, a stamping column, a supporting plate, a supporting column and a guide plate. And a stamping column is arranged at the lower end of the con