Loader-unloader system for work pieces

Material or article handling – Apparatus for charging a load holding or supporting element... – Supply source includes chute

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Details

414225, 414728, 414741, 294 86R, 294 88, B23B 1300

Patent

active

043458661

ABSTRACT:
A loader-unloader system for loading and unloading workpieces, into a machine tool wherein each workpiece is held in position for rotation about a longitudinal axis during which various machine operations may be performed. The tool comprising a loading chute or conveyor adapted to deliver articles in succession to a loading position, an unloading chute or conveyor adapted to receive workpieces, and a loader-unloader assembly. The loader-unloader assembly comprises a track extending along an axis parallel to the longitudinal axis of the machine, a trolley movable along the track and means for moving said trolley back and forth along the said track. A loader clamping head assembly is mounted on the trolley, and an unloader head assembly is mounted on the trolley. Each assembly includes a head for gripping a workpiece, means on the trolley for mounting said head for swinging movement into and out of position adjacent the machine and for reciprocating movement toward and away from the axis of said machine. Each assembly includes fingers on each head that are movable in a linear path toward and away from one another to grip and release a workpiece. One of the assemblies has a head rotatable to remove a workpiece from the machine, rotate it 180.degree. and return the workpiece to the machine for further machining.

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patent: 3874525 (1975-04-01), Hassan
patent: 4061062 (1977-12-01), Peltier

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