Die-clamping apparatus with aligning device

Details Die-clamping apparatus with aligning device Die-clamping apparatus with aligning device

1992-09-28

1994-08-16

Mackey, James

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Means responsive to abnormal condition completely stop...

4254501, 4254519, 425589, 425595, B29C 4564, B29C 4580

Patent

active

053381718

ABSTRACT:
A molding apparatus with die-clamping and alignment devices has a stationary die plate for holding a stationary die, a movable die plate for holding a movable die, a device for moving forwardly/rearwardly the movable die plate with respect to the stationary die plate, a fastening device for fastening the movable die plate and the tie bar to each other by hydraulic force when the stationary die and the movable die have been approached to predetermined positions, and a tie bar for clamping the movable die and the stationary die by die-clamping force generated by a die-clamping cylinder, and a primary alignment mechanism provided for at least one junction among junctions between a piston of a die-clamping hydraulic cylinder and the tie bar, between a support plate and the tie bar, and between the movable die plate and a movable die plate support member, in order to permit the two dies to be aligned to each other by a secondary position alignment function, such as a guide pie for aligning the two dies at the time of clamping the dies.

REFERENCES:
patent: 3078515 (1963-02-01), Wintriss
patent: 3093863 (1963-06-01), Ehlert
patent: 3540524 (1970-11-01), Bachelier
patent: 3543346 (1970-12-01), Breher
patent: 3729283 (1973-04-01), Eggenberger et al.
patent: 3801256 (1974-04-01), Farrell
patent: 4080144 (1978-03-01), Hehl
patent: 4571169 (1986-02-01), Shima et al.
patent: 4645446 (1987-02-01), Hehl
patent: 4874309 (1989-10-01), Kushibe et al.
patent: 5129817 (1992-07-01), Ing et al.

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