Equilibrium apparatus of cut-off mechanism for high-speed nut fo

Details Equilibrium apparatus of cut-off mechanism for high-speed nut fo Equilibrium apparatus of cut-off mechanism for high-speed nut fo

1987-04-15

1988-01-26

Combs, E. Michael

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

10 72R, 83748, B26D 508, B26D 700, B21D 5324

Patent

active

047210257

ABSTRACT:
An equilibrium apparatus of cut-off mechanism for high-speed nut former which includes a cutting unit carrying a cutting tool thereon, and a counterweight unit carrying a counterweight unit thereon. The cutting unit and the counterweight unit are connected pivotally to a coupling unit which is fixed on the machine table of the nut former at the central portion thereof so that the cutting unit and counterweight unit are capable of effecting straight motion. A push plate is drivable to move in a first direction so as to push the cutting unit and the counterweight unit to move in a second direction perpendicular to the first direction in such a manner that only one of the cutting unit and the counterweight unit is pushed. A spring device is disposed on the cutting unit and the counterweight unit for absorbing the shock produced from the cutting action of the cutting tool and for biasing the cutting unit and the counterweight unit to move in a third direction which is opposite to the second direction. The cutting unit and the counterweight unit are always moved in opposite directions so that the equilibrium of the cut-off mechanism is achieved.

REFERENCES:
patent: 2440848 (1948-05-01), Conner
patent: 3030642 (1962-04-01), Fray
patent: 3589278 (1971-06-01), Brauer et al.
patent: 3610083 (1971-10-01), Yasuda et al.

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