Pretreatment equipment for feed processing

The utility model relates to the technical field of feed processing, in particular to pretreatment equipment for feed processing, which comprises a crushing tank, the top of the crushing tank is fixedly connected with a top cover through bolts, the center of the top surface of the top cover is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a cutter shaft, and the cutter shaft is positioned in the crushing tank. A plurality of crushing rotary cutters are fixedly connected to the outer wall of the cutter shaft, a plurality of fixed rotary cutters are fixedly connected to the inner wall of the crushing tank, and cutting edges of the fixed rotary cutters correspond to cutting edges of the crushing rotary cutters. Compared with the prior art, the crushing rotary knife has the advantages that the plurality of fixed rotary knives are arranged, so that the added straw crude fiber feed can be intercepted by the fixed rotary knives when not cut off by the crushing