Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part
Patent
1985-11-22
1987-10-27
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
425186, 425190, 425556, B29C 4510
Patent
active
047026855
ABSTRACT:
An arrangement for fitting a mold tool in an injection molding machine which has first and second mold tool mounting plates, comprises an array of lower support arms on each plate for supporting the mold tool in a precisely aligned position in respect of height relative to the plate, lateral guides for aligning the mold tool in a lateral direction, clamping elements for fixing the portions of the mold tool on the respective plates, and connecting means on the mold tool and the machine for the supply to the mold of power, blowing air, a tool temperature control agent and the like. Each array of arms provides a guide surface extending perpendicularly away from the plate on which they are disposed, while the lateral guide means have guide surfaces which converge towards the respective plate and towards the center line thereof. The tool is displaceable towards the respective plates on the respective guide surfaces of the arrays of arms, by movement of the plates one towards the other. In such movement, the lateral guide surfaces co-operate with the lateral edges of the tool to provide precise alignment of the tool in a lateral direction. The arms of one array are laterally offset relative to the arms of the other array whereby the arms of each array can fit into the gaps between the arms of the opposite array when the mounting plates are brought together.
REFERENCES:
patent: 4231987 (1980-11-01), Osawa et al.
patent: 4348165 (1982-09-01), Vostrovsky
patent: 4473346 (1984-09-01), Hehl
patent: 4500274 (1985-02-01), Cyriax et al.
Article by: Von H. Diebel, "Produktionssteigerung beim SpritzgieBen durch Verringern der Maschinen-Stillstandzeiten" (Increasing Production in Injection Molding by Reducing Machine Down Times) in Kunststoffe 70, pp. 128-131 (1980).
Heitbrink Timothy W.
Mannesmann Demag Kunststofftechnik
Woo Jay H.
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