Machine for slotting the heads of bolts having hexagonal heads

Details Machine for slotting the heads of bolts having hexagonal heads Machine for slotting the heads of bolts having hexagonal heads

1979-12-14

1981-12-22

Rosenbaum, Mark

10 19, B23G 900

Patent

active

043063241

ABSTRACT:
A machine for slotting hexagonal heads of bolts at right angles to oppositely located edges of the heads. The machine includes a rotatable driven conveying wheel having radially arranged grooves for receiving the shafts of bolts therewith; an alignment device, for aligning the edges of the bolt heads in a predetermined position relative to the conveying plane; a clamping device, for clamping the shafts of the bolts relative to the grooves of the conveying wheel over a predetermined conveying or clamping region of the bolts; a cutting device arranged relative to the clamping region of the bolts for cutting a slot into the heads of the bolts during transport thereof through the clamping region; and a device for removing burrs resulting on the bolt heads during cutting of the slots. The alignment device includes a guide surface movable transverse to the plane of conveying by a predetermined extent into the region of movement of the heads of the bolts, and, as seen in the conveying direction, is located a predetermined amount before the beginning of the clamping region, which follows in the conveying direction. A friction member is provided ahead of the burr removal device and extends over a predetermined length in the direction of conveying for the purpose of rotation of the bolt by 90.degree.. The guide surface is formed by a body which is adjustable in the conveying direction of the bolt at the end of an arm of a two-arm lever, one end of which is pivotally journalled about a bolt, and the other end of which is provided with an adjustable abutment and is engaged effectively by a biasing spring.

REFERENCES:
patent: 2741784 (1956-04-01), Fray
patent: 2829387 (1958-04-01), Carangelo
patent: 3111697 (1963-11-01), Wilson
patent: 3422472 (1969-01-01), Pomernacki
patent: 3585665 (1971-06-01), Jackson

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