Apparatus for loading and unloading a workpiece

Material or article handling – Apparatus for charging a load holding or supporting element... – Load holding or supporting element including gripping means

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Details

414736, 414741, B25J 1100

Patent

active

051865955

ABSTRACT:
An apparatus for loading and unloading a workpiece between a working position of a machine tool and a waiting position provided outside the machine tool. The apparatus comprises a rotational shaft which is supported to be rotatable about its axis extending in parallel with an axis of a work spindle, and is rotated in a clockwise direction or a counterclockwise direction within a required rotational angle by an actuator. On a bracket fixed on one end of the rotational shaft, there are installed a loading arm unit and an unloading arm unit. The loading arm unit and the unloading arm unit are arrayed in a direction of the axis of the work spindle, and extend in an up-and-down direction along a pair of lines, which intersect with each other at a predetermined angle so as to interact at the working position, respectively. Each of the loading arm unit and the unloading arm unit has a pair of gripping claws extending in a direction which is normal to the axis of the work spindle.

REFERENCES:
patent: 3651958 (1972-03-01), Evans et al.
patent: 3658190 (1972-04-01), Fournier
patent: 3954164 (1976-05-01), Bottomley
patent: 4082018 (1978-04-01), Russell et al.
patent: 4678393 (1987-07-01), Mink

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