Metal deforming – With means to drive tool – With means to permit tool positioning
Patent
1978-09-20
1980-02-19
Husar, Francis S.
Metal deforming
With means to drive tool
With means to permit tool positioning
29568, 72389, 83563, B21D 3714
Patent
active
041888154
ABSTRACT:
Apparatus incorporated in a bending brake for making selective use of a preselected number of different dies which are to cooperate with reciprocating punches to make various bending operations. The dies are held in respective preassigned storage locations formed by a pair of racks jointly movable in the vertical direction. Disposed opposite to the rack pair of horizontal movement toward and away from same are a pair of die carriers which coact to carry a desired one of the dies out of the rack pair. A pair of die changer arms, pivotally mounted on the frame of the bending brake, transport a die to be replaced, which has been in use on a die bed, from the later on to the die carrier pair and, on their return stroke, transport the desired die which has been just carried out of the rack pair by the die carrier pair from the later on to the die bed. Comprising a set of electrical switches, a die identifier mechanism ascertains the identity of the replaced die and causes the rack pair to receive the replaced die in its preassigned storage location as same is subsequently carried back therein by the die carrier pair. Fluid actuated cylinders under the control of solenoid valves are employed for automatic operation of the apparatus.
REFERENCES:
patent: 3816904 (1974-06-01), Herb
patent: 3921887 (1975-11-01), Maehara
patent: 4020668 (1977-05-01), Doudet
patent: 4103414 (1978-08-01), Herb
Crosby Gene P.
Husar Francis S.
Kabushiki Kiasha Komatsu Seisakusho
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