Feed crushing device for feed production

The utility model provides a feed crushing device for feed production. The feed crushing device for feed production comprises a crushing device, a collecting device and a lifting device, the crushingdevice comprises a crushing box, a plurality of crushing rollers rotationally connected with the crushing box, and a vibrating screen fixedly connected with the crushing box; the lifting device comprises a supporting plate fixedly connected with the grinding box, a first forward and reverse rotation motor fixedly connected with the supporting plate, and a fixed pulley fixedly connected with the supporting plate. The feed grinder has the beneficial effects that the purpose of grinding feed raw materials can be achieved through the arranged grinding device; through the arrangement of the collecting device, feed with the particle size not meeting the requirement can be collected; and through the arrangement of the lifting device, the feed which does not meet the requirements in the collectingdevice can be thrown into