Alfalfa meal crushing mechanism

The utility model discloses an alfalfa meal crushing mechanism, and relates to the field of alfalfa processing. The crushing device comprises a crushing box, a feeding pipe and a discharging pipe, a material cutting mechanism is installed in the feeding pipe, a second bevel gear is installed on the outer side of a first bevel gear, crushing rollers are installed on the inner side of the second bevel gear, the two crushing rollers are symmetrically arranged, and cleaning mechanisms are installed at the two ends of the top in the crushing box. By means of the material cutting mechanism, raw materials fed into the feeding pipe can be sheared, the raw materials are preliminarily smashed before entering the smashing box so that the raw materials can be smashed more thoroughly in the follow-up process, the smashing effect of the device is greatly improved, meanwhile, due to the arrangement of the sweeping mechanisms, the raw materials can be cleaned more thoroughly, and the smashing efficiency is improved. Therefor