Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1994-06-20
1996-02-06
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
B21D 4305
Patent
active
054888522
ABSTRACT:
A transfer feeder for hot-forging presses having a clamping mechanism to move two parallel feed bars in the clamp and unclamp directions, an advancing mechanism to move them in the advance and return directions, and a lifting mechanism to raise and lower them. The two feed bars are connected to an inner frame via a pair of parallel links and a pair of supporting links, the inner frame is rockably supported on an intermediate frame in the advance and return directions, the intermediate frame is supported on the outer frame to be freely raised and lowered in relation to the outer frame, the clamping mechanism is so constructed as to rock parallel links in the clamp and unclamp directions, the advancing mechanism is so constructed as to rock the inner frame in relation to the intermediate frame, and the lifting mechanism is so constructed as to raise and lower the intermediate frame in relation to the outer frame. The advantages are that the clamping mechanism is perfectly synchronized and, if the central segment of a feed bar is removed, end segments will not hang down.
REFERENCES:
patent: 3760957 (1973-09-01), Berger
patent: 4811834 (1989-03-01), Asano
patent: 4873860 (1989-10-01), Werner
patent: 5267463 (1993-12-01), Doyama
Nishikawa Junji
Yamada Ryoichi
Crane Daniel C.
Sumitomo Heavy Industrie's, Ltd.
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