Raw material mixing device

The utility model relates to the technical field of livestock breeding devices, in particular to a raw material mixing device which comprises a mixing tank and an installation assembly, the installation assembly comprises a dust collection head, a dust collection pipe, a dust collection box, a negative pressure machine and a stirring component, the dust collection box is fixedly installed on one side of the mixing tank, and the dust collection head is fixedly connected with the mixing tank. One end of the dust suction pipe is communicated with the dust suction head, the other end of the dust suction pipe is communicated with the dust suction box, the stirring component is arranged on the mixing tank, the bottom cover is hinged to the mixing tank, the negative pressure machine is fixedly connected with the mixing tank, the output end of the negative pressure machine is communicated with the dust suction pipe, and the negative pressure machine is located on the side, close to the dust suction box, of the mixing