Stalks bulking machine

The utility model relates to a straw extruder, which is a feed manufacturing machine preferred by cattle, sheep and deer farms and professional raising farmers and is composed of a housing which is provided with a hopper, a packing auger arranged inside and a power source, the circumference of the inner wall of the housing is equably axially provided with a plurality of screwed feed guiding strips, and the trend of the screw suits to the trend of the screw of the packing auger, the front end of the packing auger is provided with an expanding nozzle suiting to the expanding port, a kickoff is arranged on an after side, the outside of the output of the housing is provided with a balancing shaft concentric with the packing auger shaft, one end of the balancing shaft is connected with the packing auger shaft, and the other end combines with bearings. The utility model has the advantages of flocculent of the feed after processing of the straw material, a large production, a high efficiency and a better insulation impact, and reducing of the energy consumption; a simple structure and a lower cost, completely eliminating the abuse of material jam and overload, being profit to generalize and use.