Pallet changing system for a machine tool

Details Pallet changing system for a machine tool Pallet changing system for a machine tool

1986-12-05

1988-11-01

Spar, Robert J.

Material or article handling

Apparatus for charging a load holding or supporting element...

With simultaneous charging and discharging of plural load...

1984651, 414280, 414661, B65G 106

Patent

active

047815124

ABSTRACT:
A pallet changing system for a machine tool including a pallet changing device which is horizontally rotatable for exchanging a pallet on the work table of the tool with another pallet in a standby station. A plurality of pallet storing shelves are arranged in a plurality of concentric circular arrays and each shelf has a plurality of pallet supporting racks located one above another. The standby station forms a part of those circular arrays defining a central space surrounded by the racks. A rotary table is rotatably disposed in the center of that space. A pair of guide posts are upstanding from the rotary table. A structure is vertically movably supported on the posts. A pallet handling fork is provided on the structure horizontally movably to and away from the standby station. A pair of guide rails guide the horizontal movement of the fork. The fork has one end defining a pallet supporting portion. The system further includes a device for rotating the rotary table in an indexed way, a device for moving the vertically movable structure vertically and a device for moving the fork horizontally.

REFERENCES:
patent: 3565270 (1971-02-01), Guilbert, Jr. et al.
patent: 3674159 (1972-07-01), Lemelson
patent: 3986617 (1976-10-01), Blomquist
patent: 4449277 (1984-05-01), Hasegawa et al.
patent: 4457659 (1984-07-01), Watanabe
patent: 4480738 (1984-11-01), Mattson
patent: 4492504 (1985-01-01), Hainsworth
patent: 4637108 (1987-01-01), Murata et al.

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