CRANK-SCREW PRESS Russian patent published in 1994 - IPC

FIELD: press-forging equipment. SUBSTANCE: right and left load-carrying screws are fixed in cross bars of a bed symmetrically to its longitudinal axis. Nuts-sliders are positioned on the screws for reciprocating motion on the bed sides when the screws are rotated. The nuts-sliders are pivotally connected to the ends of thrust links, the other end of each thrust link is articulated with a middle hinge of a corresponding crank-lever mechanism of a hinge rhomb connected to the bed and the slider respectively. The shanks of the load-carrying screws are kinematically connected to a drive, for example, electrical, mounted on a maintenance platform. EFFECT: improved structure. 2 cl, 4 dwg