Injection molding machine

B - Operations – Transporting – 29 – C

Patent

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B29C 45/17 (2006.01)

Patent

CA 2231678

The invention relates to an injection moulding machine with a substantially C- shaped machine frame with one leg on which a stationary die platen is mounted and with another leg on which a closing mechanism for driving a movable die platen is mounted. An articulated part which comprises a girder extending in the longitudinal direction of the machine is arranged between at least one die platen and the machine frame and is deformed when a closing force is applied which tips the die platen in relation to the associated leg of the machine frame. The horizontal central axis (8) of the die platen, which axis (8) is determined by centring means for the die extends completely inside the girder (6) and the cross-section of the articulated part (7) increases in size in the same direction, starting from the central girder (6).

Machine à mouler par injection comprenant un châssis en forme générale de "C", sur l'une des traverses duquel il est prévu, pour le moule, un plateau de fixation stationnaire et, sur l'autre traverse, un mécanisme de fermeture pour l'entraînement d'un plateau de fixation mobile. Entre au moins un plateau et le châssis est disposée une pièce articulée comprenant des branches s'étendant dans le sens longitudinal de la machine, cette pièce étant déformée lorsqu'une force de fermeture est appliquée, permettant ainsi au plateau de fixation de basculer par rapport à la traverse correspondante du châssis. L'axe horizontal (8) des plateaux de fixation, déterminé par les dispositifs de centrage du moule s'étend, dans sa totalité, à l'intérieur de la branche (6), et la section de la pièce articulée (7) s'agrandit dans le même sens, à partir de la branche centrale (6).

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