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公开(公告)号：DE69823475T2
公开(公告)日：2005-04-14
申请号：DE69823475
申请日：1998-12-21
Applicant: SUMITOMO HEAVY INDUSTRIES
Inventor： YAMADA RYOICHI , KONDO KOUICHI , UKITA AKIHIRO
Abstract: A transfer feeder for a forging press includes a pair of parallel feed bars (25-27) each having article-grasping claws, the feed bars (25-27) being able to make a three-dimensional movement (i.e., an advance-return movement of the feed bars (25-27) in a longitudinal direction, a clamping-unclamping movement of the feed bars (25-27) in a widthwise direction, and a lift-down movement of the feed bars (25-27)) so as to feed forging workpieces (50) from one step of a pressing process to another. The transfer feeder further includes lift-down devices each for making a lift-down movement relative to a corresponding transfer frame (21) through a lift-down linear-movement mechanism, advance-return devices each for making an advance-return movement relative to a lift-down frame of the associated lift-down device through an advance-return linear movement mechanism, and clamping-unclamping devices each for making a clamping-unclamping movement relative to an advance-return frame of the advance-return device through a clamping-unclamping linear-movement mechanism. The advance-return devices respectively include advance-return drive portions which are provided adjacent respectively to opposite ends of the feed bars (25-27) so as to feed the feed bars (25-27) in the same direction in synchronism with each other. The lift-down devices, as well as the advance-return devices, and the clamping-unclamping devices, are mounted respectively within the transfer frames (21) which are provided adjacent respectively to the opposite ends of the feed bars (25-27), and are disposed at a level higher than the feed bars (25-27).
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公开(公告)号：DE69823475D1
公开(公告)日：2004-06-03
申请号：DE69823475
申请日：1998-12-21
Applicant: SUMITOMO HEAVY INDUSTRIES
Inventor： YAMADA RYOICHI , KONDO KOUICHI , UKITA AKIHIRO
Abstract: A transfer feeder for a forging press includes a pair of parallel feed bars (25-27) each having article-grasping claws, the feed bars (25-27) being able to make a three-dimensional movement (i.e., an advance-return movement of the feed bars (25-27) in a longitudinal direction, a clamping-unclamping movement of the feed bars (25-27) in a widthwise direction, and a lift-down movement of the feed bars (25-27)) so as to feed forging workpieces (50) from one step of a pressing process to another. The transfer feeder further includes lift-down devices each for making a lift-down movement relative to a corresponding transfer frame (21) through a lift-down linear-movement mechanism, advance-return devices each for making an advance-return movement relative to a lift-down frame of the associated lift-down device through an advance-return linear movement mechanism, and clamping-unclamping devices each for making a clamping-unclamping movement relative to an advance-return frame of the advance-return device through a clamping-unclamping linear-movement mechanism. The advance-return devices respectively include advance-return drive portions which are provided adjacent respectively to opposite ends of the feed bars (25-27) so as to feed the feed bars (25-27) in the same direction in synchronism with each other. The lift-down devices, as well as the advance-return devices, and the clamping-unclamping devices, are mounted respectively within the transfer frames (21) which are provided adjacent respectively to the opposite ends of the feed bars (25-27), and are disposed at a level higher than the feed bars (25-27).
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