Middle punching disc capable of preventing powder throwing

The powder throwing prevention middle punching disc comprises a middle punching disc body, middle dies are arranged on the top face of the middle punching disc body in an annular array mode, and annular groove-shaped grooves are formed between the middle dies and the edge of the outer side of the middle punching disc body. An included angle is formed between the outer ring edge of the groove-shaped groove and the middle punching disc. The middle punching disc is of a disc structure, a fixing through groove is formed in the geometric center of the middle punching disc, and a main shaft fixing hole is formed in the top face of the middle punching disc on the outer side edge of the fixing through groove. The main shaft fixing hole is formed in the top face of the middle punching disc on the outer side of the fixing through groove in a surrounding mode. The utility model has the beneficial effects that the problem of medicine powder recovery is solved by arranging the groove structure on the middle punching disc,