Patent ID: 6193049
Filing Date: 2001-02-27
Classification: B21D,B65G

Abstract:
A three-dimensional driving system for a transfer feeder of a transfer press for feeding a work into a processing station which is surrounded by a plurality of uprights, said three-dimensional driving system comprising:a feed mechanism linked to a pair of transfer bars arranged parallel to a work feed direction for gripping the work and transferring it to said processing station;a lift mechanism which is provided on a bed surrounded by said uprights and causes said transfer bars to ascend and descend;a clamp mechanism which is linked to said lift mechanism and causes said transfer bars to grip and release the work;a clamp and lift box accommodating said lift mechanism and said clamp mechanism;a feed mechanism driver linked to said feed mechanism to drive it;a lift mechanism driver linked to said lift mechanism to drive it; anda clamp mechanism driver linked to said clamp mechanism to drive it;wherein said lift mechanism driver and said clamp mechanism driver have their own drive shafts and servomotors connected to said lift mechanism and said clamp mechanism, respectively, and are disposed separately from each other in opposite terminal portions of said clamp and lift box.