Quick change structure for trim die

Details Quick change structure for trim die Quick change structure for trim die

1989-07-25

1990-06-05

Jones, David

Metal deforming

With means to drive tool

With means to permit tool positioning

72462, 72481, 83 54, 83188, 100214, 100918, B21J 1300

Patent

active

049303341

ABSTRACT:
A quick change apparatus for a trim die assembly is provided to reduce die set-up and change-over time. The trim die assembly is provided with lift hooks for the forks of a forklift truck to carry it between storage and the press and to eliminate potentially damaging contact between the keyways in the bottom of the die and the forks. Locating pins and stops are provided between the press and die assembly to permit quick and positive positioning of the die assembly above the press bed. The connecting post between the part locator member of the trim die and the press has been modified to eliminate its projection beneath the die assembly and therefore eliminate damage to the post during set-up, movement and/or storage. The modified post is also adapted to assist in the positioning of the die assembly on the press bed.

REFERENCES:
patent: 4424742 (1984-01-01), Yamashita
patent: 4630536 (1986-12-01), Shah
patent: 4785695 (1988-11-01), Riley
patent: 4866974 (1989-09-01), Shiraishi et al.
patent: 4866975 (1989-09-01), Hopkins

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