Automatic feeding and weighing device for refractory plastic material

The utility model relates to the technical field of feeding equipment, in particular to an automatic feeding and weighing device for refractory plastic materials, and adopts the technical scheme that the automatic feeding and weighing device comprises a feeding box, a first feeding pipe and a supporting plate, a driven wheel and a driving wheel are rotationally mounted in the feeding box, and the driven wheel and the driving wheel are symmetrically distributed; a lifting belt is arranged between the driven wheel and the driving wheel, lifting hoppers which are evenly distributed at equal intervals are arranged on the outer surface of the lifting belt, the first feeding pipe is installed on the lower portion of the end face of one side of the feeding box, a charging box is installed at the upper end of the first feeding pipe, and a second feeding pipe is installed on the upper end face of the charging box; and a feeding hopper is installed at the upper end of the second feeding pipe, the supporting plate is in