Grain pulverizing and mixing device used for domestic pig farming

The invention discloses a grain pulverizing and mixing device used for domestic pig farming, and relates to the field of livestock farming. The grain pulverizing and mixing device used for domestic pig farming comprises a primary treatment box, a supporting rack is fixedly connected with the bottom of the primary treatment box, a feeding inlet is fixedly connected with the center of the top of theprimary treatment box, and a conveying through pipe is fixedly connected with the center of one side face of the primary treatment box. A deep treatment box is fixedly connected with the end, away from the primary treatment box, of the conveying through pipe, a discharging pipe is fixedly connected with the center of the bottom of the deep treatment box, a belt conveying device is fixedly connected with the middle of an inner cavity of the primary treatment box, and pulverizing mechanisms are symmetrically arranged on the tops of the front side and the back side of the inner cavity of the primary treatment box. By me