Medicinal material extrusion device

The utility model provides a medicinal material extrusion device, and aims to solve the technical problem that a spiral extrusion device in the prior art is low in recovery efficiency of residual liquid in traditional Chinese medicinal materials. The extrusion device comprises a shell, a slag inlet and a slag outlet are formed in the two ends of the shell respectively, a rolling part is arranged in the middle of the shell, and the section of the rolling part is of a circular structure; the feeding mechanism is arranged in a slag inlet channel between the rolling part and the slag inlet; the cross section of the rolling shaft is of a reuleaux triangle structure, the rolling shaft is arranged in the rolling part, and the edges of the rolling shaft make contact with the inner wall of the rolling part; the driving mechanism is provided with an output end which is in power connection with the end part of the rolling shaft; wherein a plurality of discharge holes are formed in the bottom of the rolling part. Accordi