Press machine
AssigneeAida Engineering, Ltd.
InventorTakao Ito
Life of this patent
Estimating the term…
Abstract
There is provided a press machine capable of simplifying a slide drive mechanism. The press machine comprises: a slide supported so as to be reciprocally movable; a crankshaft arranged along a longitudinal direction of the slide and having a plurality of eccentric parts; a drive unit configured to rotate the crankshaft; a plurality of yokes and each provided to each of the eccentric parts of the crankshaft and configured to reciprocate, due to rotation of the crankshaft, along a moving direction of the slide; and a plurality of points each connects each of the yokes to the slide, wherein at least one of the plurality of yokes is connected to the slide via some of the plurality of points arranged along a direction perpendicular to an axial direction of the crankshaft.
Claims6
A press machine, comprising:
- a slide supported so as to be reciprocally movable;
- a crankshaft arranged along a longitudinal direction of the slide and having a plurality of eccentric parts;
- a drive unit configured to rotate the crankshaft;
- a plurality of yokes each provided to each of the eccentric parts of the crankshaft and configured to reciprocate along a moving direction of the slide, due to rotation of the crankshaft;
- four or more points each connects each of the yokes to the slide;
- and
- a plurality of Scotch yoke mechanisms each including the crankshaft and the plurality of yokes,
- wherein at least one of the plurality of yokes is connected to the slide via some of the four or more points arranged along a direction perpendicular to an axial direction of the crankshaft, and
- wherein at least two of the plurality of yokes each includes two connecting parts along a direction perpendicular to an axial direction of the crankshaft, and the two connecting parts are respectively connected to two points of the four or more points.
Dependencies are inferred from the claim text.