Raw material feeding machine for polyester fiber production

The utility model particularly relates to a raw material feeding machine for polyester fiber production, which comprises a feeding barrel body, a lower feeding bin is arranged in the feeding barrel body, a plurality of upper feeding bins matched with one another are arranged on the upper side of the feeding barrel body, the plurality of upper feeding bins and the lower feeding bin are distributed in a Y shape, a motor box is fixed on the upper end face of the feeding barrel body, and the motor box is fixed on the lower end face of the feeding barrel body. A stirring shaft is fixed to the lower end of the motor box through an output shaft, stirring blades matched with the lower feeding bin are fixed to the periphery of the lower end of the stirring shaft, a rotating cavity is formed in the feeding barrel, an upper cover is rotationally installed in the rotating cavity, and a positioning tooth groove is formed in the middle of the upper cover; positioning tooth grooves are formed in the upper end face of the up