Apparatus for automatically exchanging a stamper unit with anoth

Details Apparatus for automatically exchanging a stamper unit with anoth Apparatus for automatically exchanging a stamper unit with anoth

1993-12-29

1995-03-28

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Including support or guide means for disassembled element

264 39, 425153, 425190, 425192R, 425451, 425453, 425454, 425547, B29C 3338, B29C 4517

Patent

active

054011582

ABSTRACT:
Apparatus for automatically exchanging a stamper unit with another one for an injection molding machine which is operated for injection-molding a disc or the like includes a case conveyance section and a stamper unit infeed/outfeed section wherein the case conveyance section includes a slide table adapted to move in the longitudinal direction with the aid of a driving unit mounted on a housing, a pair of inside and outside conveyance platforms each adapted to be raised and lowered and a vertically postioned preheating member arranged sidward of the inside conveyance platform. The stamper unit infeed/outfeed section includes an infeed/outfeed path arranged at the fore end part of a driving unit mounted on a platform at the upper part of a frame upwardly extending from a housing and an infeed/outfeed unit arranged behind a suspension unit for provisionally suspending a unit case, the suspension unit being located at the rear part of the infeed/outfeed path. The apparatus is operated to alternately raise and lower the inside and outside conveyance platforms in the conveyance section, temporarily holding each unit case in the infeed/outfeed section and displacing the infeed/outfeed unit in the forward/rearward direction so as to allow a used stamper unit to be exchanged with a new preheated stamper unit.

REFERENCES:
patent: 4421469 (1983-12-01), Egger et al.
patent: 4462783 (1984-07-01), Hehl
patent: 4472127 (1984-09-01), Cyriax et al.
patent: 4528338 (1985-05-01), Hehl
patent: 4529371 (1985-07-01), Nickley
patent: 4555228 (1985-11-01), Nishiike et al.
patent: 4789320 (1988-12-01), Sasamura et al.
patent: 5040965 (1991-08-01), Baird
patent: 5096404 (1992-03-01), Janos et al.

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