Solid polyamide resin particle mixing device

The utility model discloses a solid polyamide resin particle mixing device. The device comprises a supporting cylinder, openings are formed in the upper end of the supporting cylinder and the left andright ends of a bottom plate, supporting guide rails are horizontally and fixedly connected to the left and right sides of the upper end of the supporting cylinder, a feeding box is connected to theupper sides of the supporting guide rails through pulleys, and a discharging opening is formed in the end, close to an upper end opening of the supporting cylinder, of the bottom plate of the feedingbox. According to the utility model, each feeding box is filled with a single type of particle material; when the particle materials are poured into the feeding box; sliding rod capable of sliding downwards, the flexible conduit is fixedly deformed to be horizontally attached to the bottom in the feeding box; rotary flexible conduit, the particle materials are flatly spread in the feeding box; only one particle material exi