The utility model discloses a discharging device of a calcination furnace, comprising one calcination furnace, an inclined plate fixed and welded with a discharge port of the calcinations furnace, a bracket arranged below the inclined plate and an inclined groove on the bracket, wherein the upper end of the inclined groove is arranged below the inclined plate and a baffle is fixed and welded with a lower end of the inclined groove. The structure of the discharging device is simple. The inclined plate and the inclined groove are arranged on the discharge port of the calcination furnace, thus a buffer is obtained before manually clamping a calcined iron block, so as to prevent the burn or scorch brought by the operation personnel with very good practical value.