Squeeze station for automated molding machine

B - Operations – Transporting – 22 – C

Patent

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Details

B22C 9/00 (2006.01) B22C 15/02 (2006.01)

Patent

CA 2591325

An automated matchplate molding machine includes a cope flask, a pattern plate and drag flask for creating formed sand molds. A lock is provided to lock the drag flask to the platen table of the molding machine during desired stages of an individual sand molding sequence. The lock between the drag flask and the platen table may include actuated pins which engage corresponding detent structures such as tapered holes integral with the drag flask and prevent lateral migration of the drag flask relative to the platen table. Additionally, cope flask actuators are provided which vertically support and are operable to raise the cope flask relative to the squeeze head to facilitate release the cope mold from the cope flask.

L'invention concerne une machine à mouler à plaque-modèle double face automatisée comprenant un châssis supérieur, une plaque-modèle et un châssis inférieur permettant de créer des moules en sable formés. Un élément de blocage sert à bloquer le châssis inférieur sur le plateau de la machine à mouler pendant les étapes souhaitées d'une séquence de moulage au sable individuelle. L'élément de blocage entre le châssis inférieur et le plateau peut comprendre des tiges commandées entrant en prise avec des structures de retenue correspondantes telles que des orifices en entonnoir faisant corps avec le châssis inférieur et empêchant la migration latérale du châssis inférieur par rapport au plateau. En outre, on utilise des actionneurs de châssis supérieur supportant verticalement le châssis supérieur et permettant de lever ce dernier par rapport à la tête de serrage à pression, ce qui facilite la libération du moule supérieur à partir du châssis supérieur.

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