Grinding device for waterproof agent raw materials

The utility model discloses a waterproof agent raw material grinding device which comprises a charging barrel, an annular plate and a driving assembly, the charging barrel is rotationally arranged on a frame, the annular plate is fixedly connected in the charging barrel, a plurality of grinding assemblies are arranged on the annular plate, each grinding assembly comprises a movable rod arranged on the annular plate in a penetrating mode, and one end of each movable rod penetrates into the outer circle of the annular plate to be connected with a grinding protruding block. The driving assembly comprises a power rod rotationally connected with the charging barrel and a first power source installed on the charging barrel, the power rod extends to the inner ring of the annular plate and is connected with a wheel body, at least one set of protrusions capable of making contact with the contact block is arranged on the wheel body, and the first power source is connected with the first power source. The lower side of