Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1981-05-29
1984-02-14
Crosby, Gene P.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
B21D 4305
Patent
active
044308825
ABSTRACT:
A blank (17), which has been sheared off from a coil of wire or from a rod, is rotated through 90.degree., this rotation being required in connection with the forging of this blank. The gripping-jaws (19, 20), serving for the purpose of transport from one station to the adjacent metal-working station, are attached, for this purpose, to rotating devices (9c, 9d), which are mounted in a manner permitting rotation and are located, on the one hand, on a guide part (7a, 7b) which is driven to reciprocate (A) and to oscillate about an axis (93), and, on the other hand, are anchored to the stationary die-holder (3) via a guiding mechanism (23a, 23b). The guiding mechanism can be regarded as a spatial double-link mechanism, possessing a connecting rod (24), a coupling link (25), a stationary pin-joint (28), a ball-joint (30), and a pin-joint (29a, 29b) which travels with the rotation device (9c, 9d). The components are arranged in such a way that the greatest part of the intended 90.degree. rotation of the blank takes place in the first half of the translational transport movement.
REFERENCES:
patent: 3466917 (1969-09-01), Eakin
patent: 3965718 (1976-06-01), Kline
patent: 4186589 (1980-02-01), Criblez
patent: 4351180 (1982-09-01), Allebach
Crosby Gene P.
Hatebur Umformmaschinen AG
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