CRANK-AND-ECCENTRIC PRESS Russian patent published in 2005 - IPC

FIELD: press-forging equipment, particularly screw presses.

SUBSTANCE: press comprises frame with guiding means in which slider, wheel, table and crank shaft are installed. Crank shaft is located below stamping plane. Slider is connected to screw joined with nut by non-selfbraking thread. The nut is secured to frame. Wheel is connected with screw through controlled couple. Crank shaft cooperates with slider through connection rod and pin. Press is provided with controlled eccentric bush connected with electric drive through free-wheeling clutch, conical and worm gearing and linked with slider through connecting rod, sliding member having groove and through pin. Eccentric bush have eccentricity lesser than that of crank shaft.

EFFECT: simplified structure, reduced size and increased press reliability.

1 dwg