CUTTING DEVICE FOR SUPPORTING CUTTING Russian patent published in 2015 - IPC A01D34/73 A01D34/63 

FIELD: machine building.

SUBSTANCE: cutting device for support cutting includes drive, movable and fixed knives installed coaxially on its shaft. The movable driven knife is made with crosslike with blades interfacing along the parabolical curve. The cutting blade of the movable knife is made with top sharpening and build-up with hard wear-resistant alloy. The movable knife is installed on hexagon head of the drive shaft installed using journal bearing in casing, having fixed flange in top part for the drive motor installation. The bottom part of the drive shaft is fixed by the thrust journal bearing installed in the support pad of the cutting device. On top part of the support pad the shearing knife is installed, it has bottom sharpening and build-up of hard wear-resistant alloy. The support pad with the shearing knife is installed on framework at angle 45…50° to movement direction of the cutting device. The framework has fixture for installation at set angle of the control handle of the cutting device. Direction of rotation of the movable driven knife is counterclockwise.

EFFECT: invention ensures quality improvement of cut and productivity upon simplification of the design and reduced power consumption.

2 dwg