Smashing device and smashing and squeezing integrated device with same

The invention belongs to the field of feed processing devices and particularly relates to a smashing device and a smashing and squeezing integrated device with the smashing device. The smashing device comprises a machine frame and two rollers which are arranged below a feeding port and rotate oppositely. Each roller is provided with wheel tooth type movable cutters arranged spirally. The movable cutters on the two rollers are mutually staggered in the axial direction of the rollers. Upper fixed cutters are installed on the machine frame at intervals and located on the two sides of the portion below the feeding opening. The upper fixed cutters are meshed with the movable cutters. According to the smashing device and the smashing and squeezing integrated device with the smashing device, the double rollers are adopted and conduct smashing and cutting oppositely, the upper fixed cutters are also arranged, so that the problem that when straws of bananas and other crops are smashed and cut, the straws slide and are