FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture, in particular to the plant materials grinding machines. Machine comprises frame (1), two rollers (2), drive, hilt-dump mechanism (3), loading hopper (4), guides (13), camshaft supports (15), adjusting bushings (16), adjusting screw (18). At the tapered pressing channel input, the pressing plate (10) is located, which length is equal to the grinding rollers working surfaces length, and on which the rods (12) lower ends are installed, configured to move vertically in the adjusting bushings. On the rods between the pressing plate and the adjusting bushings the springs (11) are mounted, and the rods upper parts are connected by a plate (14), which vertical movement is limited by the locking device (17). Plate is placed parallel to the grinding rollers working surfaces and configured to contact with the camshaft (7) cams (8). On the camshaft a replaceable sprocket (6) is mounted, by means of a chain drive (9) connected to the fixed on the grinding roller shaft sprocket (5). Cams profiles are made asymmetrical.
EFFECT: simplification of the machine design.
1 cl, 1 dwg
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