Feeding device for material modification

The utility model relates to the technical field of powder modification, in particular to a feeding device for material modification. The device comprises a stirring bin and a material conveying mechanism, a first motor is fixedly installed at the top of the stirring bin, an output shaft of the first motor penetrates through the top of the stirring bin to be connected with a stirring shaft, a plurality of lantern rings are distributed on the stirring shaft, stirring mechanisms are symmetrically arranged on the lantern rings, and each stirring mechanism comprises a stirring rod and stirring blades. The stirring rod is in threaded connection with the lantern ring, and stirring blades are symmetrically distributed on the stirring rod; a secondary stirring mechanism is also arranged at the bottom of the stirring shaft. The lower portion of the stirring bin is of a conical structure, a first discharging port is formed in the bottom of the stirring bin and connected with a discharging pipe, a powder butterfly valve