Powder compacting device

A medicine powder compacting device belongs to the technical field of medicine manufacturing and comprises a support, a driving portion, a follow-up portion and a compacting die, the driving portion is mounted on the support, the follow-up portion is located below the driving portion and mounted on the support, and the compacting die is mounted below the follow-up portion. The driving part comprises a driving cake, a driving shaft, a ball, a cover plate, a spherical hole and a driving wheel, the driving cake is upwards connected with the driving shaft, and the top of the driving shaft is connected with the driving wheel. A plurality of hemispherical nests are evenly distributed on the circumference of the bottom face of the driving round cake, balls are placed in the hemispherical nests, the cover plate covers the balls at the bottom of the driving round cake, spherical holes are evenly distributed in the cover plate, and the bottoms of the balls are exposed out of the cover plate through the spherical holes.