| 摘要 |
<p>An assembly line comprises a succession of work stations and a conveyor transporting workpieces from, to and between the stations. A mechanism is associated with each work station for handling a respective workpiece and includes a plurality of rectilinear guide tracks extending at an angle to each other, a gripping element movable along the guide tracks and a drive associated with the guide tracks for moving the workpiece between a first working position within the range of the conveyor and a second working position spaced therefrom. A first one of the guide tracks extends parallel to the elongated guide for the conveyor and two additional guide tracks extend, respectively, in a plane parallel to the plane defined by the elongated conveyor guide and transversely thereto, and the other additional guide track extends in a plane perpendicular thereto. A control operates the drives in a programmed sequence.</p> |
