Quantitative blanking device for mine

The utility model discloses a quantitative blanking device for a mine, which comprises a hollow cylindrical casing with two sealed ends, as well as a rotor, wherein the cylindrical casing is provided with a feed opening in the upper part and a discharge opening in the lower part; the rotor comprises a shaft and at least three partition boards which are distributed on the surface of the shaft uniformly; the shaft is connected with the cylindrical casing through a bearing; one end, extending out of the cylindrical casing, of the shaft is connected with power; the partition boards are placed in the cylindrical casing and contacted with the inner wall of the cylindrical casing, so that a storage chamber is formed between the partition boards and the inner wall of the cylindrical casing; and after a material enters the storage chamber from the feed opening of the casing, the shaft rotates to enable the material to be discharged from the discharge opening of the casing. The quantitative blanking device for the mine