Metal deforming – With cutting – By shearing tool-couple
Patent
1975-01-06
1976-07-20
Lanham, C.W.
Metal deforming
With cutting
By shearing tool-couple
72405, 72419, 72421, 72427, 113113A, 113113B, 113116V, B21D 2800
Patent
active
039699188
ABSTRACT:
A method and apparatus are provided for blanking from coil stock blanks to be supplied to and formed by a transfer press having a transfer feed line through the transfer press along which the blanks are fed. The coil stock is fed along a coil stock feed line which is below the transfer feed line of the transfer press over a male blanking punch. A female blanking die is lowered from above the transfer feed line of the press over the male blanking punch for blanking blanks from the coil stock. The blanks so formed are elevated from the male blanking punch to the transfer feed line of the press for transfer thereof along the transfer feed line. The scrap of the coil stock resulting from such blanking operation is discharged along the coil stock feed line below the transfer feed line of the press so as not to interfere with the transfer of the blanks along the transfer feed line of the press. Provision is made for stripping the blanks from the female blanking die and for stripping the coil stock from the male blanking punch. Preferably, the male blanking punch and the female blanking die are arranged within the transfer press and are carried, respectively, by the bolster carriage and adapter and by the slide adapter which carry the work forming die parts of the transfer press, with the transfer mechanism also being carried by the bolster carriage and adapter, to provide a removable unitary die structure for the press.
REFERENCES:
patent: 2305064 (1942-12-01), Colwell et al.
patent: 3432042 (1969-03-01), Bautz et al.
patent: 3641959 (1972-02-01), Hurst
patent: 3683834 (1972-08-01), Potts et al.
patent: 3768295 (1973-10-01), Cudzik
Bernotus Donald E.
Levitt Leo L.
Duzan James R.
Lanham C.W.
Verson Allsteel Press Company
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