Powder making device

The utility model relates to the technical field of wheat processing, in particular to a pulverizing device which comprises a box body, an installation assembly and a grinding assembly, the installation assembly comprises a supporting frame, a feeding hopper, a rotating bearing, a connecting frame, a filter sieve and a pushing component, the supporting frame is fixedly connected with the box body, the feeding hopper is fixedly connected with the box body and communicated with the box body, and the grinding assembly is arranged on the box body. The rotating bearing is fixedly connected with the box body, the connecting frame is fixedly connected with the rotating bearing, the filter sieve is rotationally connected with the connecting frame, and the pushing component is connected with the box body; wheat enters the grinding assembly through the feeding hopper, the grinding assembly grinds the wheat into flour, the wheat flour falls into the filter sieve, and the pushing component pushes the filter sieve to shak