Tool changer for rotatable tool assemblies in punching machines

Details Tool changer for rotatable tool assemblies in punching machines Tool changer for rotatable tool assemblies in punching machines

1987-10-01

1988-10-25

Weidenfeld, Gil

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

72448, 83552, B23Q 3155

Patent

active

047793295

ABSTRACT:
A tool changer for rotatable tool assemblies in punching machines has coaxial, upper and lower synchronously rotatable tool housings (1,2). These are parted along a plane through the rotational axis to form a stationary rotatable guide part (11,11') and a guide part (12,12') radially movable relative said axis. The respective parts (11,12 and 11',12') can be latched to each other for receiving and guiding coacting tool assemblies. Transfer means (20,21) transfer tool assemblies between a turret magazine (30,31) and the tool housings. The transfer means are coupled to the movable guide parts (12,12') of the housings. The coupling permits the housings to be rotated after the movable guide part with the aid of its transfer means has moved a tool to a working position in the tool housing and the guide parts of the housing are mutually latched.
The tool changer enables very rapid, programmed tool changing and is particularly suitable for setting up multitool punch assemblies or so-called cassette-type tool assemblies (70,71) having a plurality of punch pins and dies which may be selected by rotation of the tool housings.

REFERENCES:
patent: 3683490 (1972-08-01), Chabrier
patent: 3745646 (1973-07-01), Kristiansson
patent: 3765291 (1973-10-01), Stenfeldt
patent: 4103414 (1978-08-01), Herb et al.
patent: 4182022 (1980-01-01), Kristiansson
patent: 4569267 (1986-02-01), Klingel

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