Arrangement for securing a die to a die holder

Details Arrangement for securing a die to a die holder Arrangement for securing a die to a die holder

1990-09-07

1992-01-07

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

29450, 72481, 100918, 425195, B29C 3300, B29C 4526, B29C 4517, B23Q 302

Patent

active

050785869

ABSTRACT:
An arrangement for securing a die to a die holder for use as a molding die in an injection molding machine permits the die to be oriented on the die holder in a number of different angularly rotated positions. Clamping bolts secured to the die extend perpendicularly of a contacting plane between the die and die holder and project into corresponding holes in the die holder. Slides are provided in passageways in the die holder with the passageways extending parallel to the contacting plane. The slides are displaceable in the passageways into securing and clamping engagement with the clamping bolts. The slides are wedge-shaped and inter-engage corresponding wedge-shaped recesses in the outer surface of the clamping bolts. The slides can be displaced by actuating members. Hydraulic piston cylinder units can be used as the actuating members for holding the slides in the clamped position during operation. The recesses in the clamping bolts are formed by circumferentially extending secant-like cuts in the outer surface of the bolts with the cuts having a wedge-shape corresponding to the wedge-shaped slides.

REFERENCES:
patent: 4348165 (1982-09-01), Vostrovsky
patent: 4544340 (1985-10-01), Hehl
patent: 4655275 (1987-04-01), Worner
patent: 4684101 (1987-08-01), Wagner et al.

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