Mixed material stirring device

The utility model discloses a mixed material stirring device which comprises a stirring tank, a stirring shaft and three groups of stirring paddles, the stirring tank is of a symmetrical structure, the stirring shaft is arranged in the center of the stirring tank, and the three groups of stirring paddles are symmetrically arranged relative to the stirring shaft and are of frame structures; the three groups of stirring paddles comprise a first stirring paddle, a second stirring paddle and a third stirring paddle, scraping plates with different heights are arranged on the frame edges, far away from the stirring shaft, of the first stirring paddle, the second stirring paddle and the third stirring paddle, and the scraping plates on the three groups of stirring paddles can cover the inner wall of the stirring tank; fixed baffles with different heights are arranged on frames of the first stirring paddle and the third stirring paddle, a middle shaft is mounted on the second stirring paddle, and stirring blades are