Large precious metal grinding device

The utility model discloses a large precious metal grinding device in the technical field of metal stirring equipment. The device comprises an engine, a grinding cutter, a grinding cutter rotating shaft and a grinding cabin, the grinding knife rotating shafts are symmetrically mounted on the two sides of the engine through the rotating speed controller; the grinding knife rotating shaft penetratesthrough the inner side faces, close to the engine, of the two grinding cabins, so that the two grinding cabins sleeve the two ends of the grinding knife rotating shaft in a mirror symmetry mode, handles and pouring ports are installed on the grinding cabins, filter screens are installed at the bottoms of the inner sides of the grinding cabins, and grinding knives are installed on the grinding knife rotating shaft in the grinding cabins. The utility model discloses a device. Operation process, grinding and stirring are realized in one container; in addition, a filter screen is arranged in thedevice, the filter screens