The purpose of the notification is the device for preparing compound feedingstuffs, applicable in particular to the feeding of animals. The device for preparing compound feedingstuffs is characterized by the fact that the angular transmission (15) is connected to the bottom of the container (1) from its outer side by means of a shaft. drive (14),a drive shaft (7) and a top flange (9) with a sludge cone (5) of the mixing system, the drive shaft (14) being mounted rotationally in a top bearing (23) inside the fixed housing (3),which housing (3) is permanently attached to the bottom of the container (1),Whereas the cone of the snail (5) in the transmission zone is permanently connected to the gear box (7) through the upper flange (9),and in the lower part the cone of the snail (5) is connected to the housing (3) through the lower flange (10) and the lower bearing (6).