Reloading and mixing device of injection molding machine

The utility model discloses a reloading and mixing device of an injection molding machine. The reloading and mixing device comprises a hopper base, a rotating disc, hoppers, a scale and a mixing cylinder, wherein a plurality of hoppers which are distributed in an annular manner are arranged at the upper end of the rotating disc; the bottom ends of the hoppers are communicated with the rotating disc; the hopper base which is connected with the rotating disc in an axial rotation manner is arranged at the lower end of the rotating disc; a plurality of feeding holes and a discharge hole are formed in the hopper base and corresponding to the hoppers; a rotating shaft which is driven by a motor and penetrates through the hopper base is arranged in the center of the lower end of the rotating disc; the hoppers are in communicating fit with the feeding holes or the discharge hole when the rotating disc rotates; the scale is arranged at the lower ends of the feeding holes; the scale is funnel-shaped; a plurality of feeding cavities are formed corresponding to the feeding holes; weighing devices which can reload materials are mounted inside the feeding cavities; a rectangular tube is communicated with the lower end of the scale; the stirring cylinder is communicated to the lower end of the rectangular tube; a stirring motor is mounted on the outer side wall of the stirring cylinder; a discharge tube is communicated to the lower end of the stirring cylinder. The reloading and mixing device is simple in structure, the reloading and mixing process is convenient, and the production efficiency is improved.