Patent ID: 6178862
Filing Date: 2001-01-30
Classification: B21F,Y10T

Abstract:
A cutting tool assembly able to cut spring wires in either a fixed vertical direction or a progressive tilt direction in coil spring winding machines, comprised of a machine base, a tool rack having (a) a vertical base plate mounted to said machine base, (b) a guide plate mounted to said vertical base plate, (c) a pivotable slide carrier coupled to said vertical base plate through a hole formed in said slide carrier, and (d) a slide displaceably mounted to said slide carrier, a first bearing disposed in said hole, a pair of fixed plates respectively mounted to said slide carrier on opposing sides of said slide, a cutting tool mounted to said slide, a cam seat coupled to said slide, a cam center guide seat mounted to said machine base, and a transmission mechanism drivingly coupled to said cam seat, said transmission mechanism including:a first slide seat having a transverse rail and a rib and a block plate, said block plate having a plurality of guidances formed in a middle portion thereof, said slide having a plurality of tap holes formed therein for fixing to said first slide seat, said rail having another slide displaceable along the rail, said rib having a hole formed in a middle portion thereof, said hole having a second bearing mounted at a back side of said rib;said cam center guide seat being connected to said rib and being mounted on said machine base, a second slide seat having a longitudinal rail for receiving said second bearing on said rib, said second bearing displaceable along said longitudinal rail; andsaid transmission mechanism driving said cam seat and said slide moving longitudinally in said slide carrier.