Silage cutting device

The utility model discloses a silage cutting device which comprises a first box body, a primary cutting mechanism is arranged on the left side of the first box body, the primary cutting mechanism comprises a second fixing plate, the right side of the second fixing plate is welded to the left side of the first box body, and a secondary cutting mechanism is arranged at the bottom of the first box body. And the secondary cutting mechanism comprises a second box body, a driving discharging mechanism is arranged on the rear side of the first box body, the driving discharging mechanism comprises a shell, the front side of the shell is welded to the first box body, and supporting columns are welded to the four corners of the bottom of the first box body. The second box body, the supporting column, the first fixing plate, the second servo motor, a flow guide cover, a cutting knife, a connecting transverse plate, a hydraulic telescopic rod and a second fixing plate are arranged and used in cooperation, and in the usin