Movable shears upstream of a bending assembly and method to bend

Details Movable shears upstream of a bending assembly and method to bend Movable shears upstream of a bending assembly and method to bend

1990-01-10

1991-06-25

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

With cutting

72307, 72203, 72217, B21D 7024

Patent

active

050256513

ABSTRACT:
Movable shears and a method for the automatic or non-automatic bending of the trailing end of bars in bending-shaping machines having a bending assembly located downstream of a shears (24) and of a bar feeder unit are disclosed. The bars may be already straightened or already straightened and sheared to size or may require straightening and the bar (29), after the required bends have been applied to its leading end (T), is fed forwards with a movement of distancing of its leading end (T) by an appreciable length at least partly by the feeder unit. When this forward length of feed has been completed, the bar (29) is sheared by the shears (24), thus creating a trailing end (C) of the residual bar (129). The movable shears (24) are able to slide on a longitudinal slide block (45) which is positioned as required in a direction lengthwise to the bar (29) so as to determine the length of the trailing end (C) of the residual bar (129) in relation to the bending assembly (35).

REFERENCES:
patent: 1954791 (1934-04-01), Almgren
patent: 3269164 (1966-08-01), Rutter
patent: 3438233 (1969-04-01), Manning
patent: 3762196 (1973-10-01), Kempken
patent: 4280350 (1981-07-01), King
patent: 4681210 (1987-07-01), Miki
patent: 4823577 (1989-04-01), Kawashima

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