The invention relates to agricultural machinery, particularly to the machines for processing industrial crops (straw, reed) for mulch. The technical result - improving quality mulch, by completely removing panicles cane before crushing, by improving the chopper device. The proposed device having a housing, feeding, sealing and feeding conveyor, the cutting drum, the devices of the primary and secondary grinding screw Sharpening device transporters control mechanism, the electric motor with electrical and drive further introduced to tear off device installed on the feed conveyor and having a roller with elastic surface made from rubber or plastic rod and reel, for its adherent whips to the roller surface, while under the feed conveyor mounted receiving hopper for brooms connected to the guide chute.
