Quantitative proportioning raw material feeding device for feed processing

The utility model discloses a quantitative proportioning raw material feeding device for feed processing, which belongs to the field of feed processing and comprises a processing box and a weighing tray, a plurality of groups of storage boxes are arranged at the top of the processing box, feeding pipes are connected to the bottoms of the storage boxes, electromagnetic valves are arranged at the output ends of the feeding pipes, and the weighing tray is connected with the processing box. A dumping plate is rotationally connected to the interior of the processing box, the weighing disc is fixedly connected to the top of the dumping plate, the output ends of the multiple sets of feeding pipes all penetrate through the processing box and extend to the upper side of the weighing disc, and a turnover assembly is arranged in the processing box; the feeding pipe is controlled by the electromagnetic valve to be opened to feed raw materials in the group of material storage boxes to the weighing disc to be weighed, and