Raw material mixing device for feed production and mixing method thereof

The invention provides a raw material mixing device for feed production and a mixing method thereof. The raw material mixing device comprises a first fixing frame, a tank body and a barrel body, a second fixing frame is arranged on one side of the first fixing frame, a pulverizer is installed in the second fixing frame, the barrel body is arranged in the tank body, the material mixing structure comprises a connecting block, a material mixing blade, fixing rods and a rotating shaft, and the fixing rods are fixed to the two sides of the outer side wall of the barrel body. According to the invention, the material mixing structure is arranged, after the feed raw materials are mixed by the barrel body, when the feed raw materials enter the tank body through the top end of an auger, the feed raw materials fall to the bottom end of the tank body from the high position in the tank body and are conveyed and mixed by the barrel body again, and in the falling process of the feed raw materials, the uniformly arranged con