Clamping apparatus for molding machine

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 33/20 (2006.01) B22D 17/26 (2006.01) B29C 37/00 (2006.01) B29C 45/17 (2006.01) B29C 45/24 (2006.01) B29C 45/67 (2006.01) B29C 45/84 (2006.01) F16P 3/10 (2006.01)

Patent

CA 2047607

A clamping apparatus of molding machine including a base; a fixed board disposed on the base; a movable board movable relative to the fixed board; a plurality of mold clamping cylinders disposed in predetermined positions of the fixed board, the mold clamping cylinders each having a mold clamping piston with a tie bar reception hole and a tie bar connection device disposed on the mold clamping piston; a plurality of tie bars with a thread at their one end, the tie bars being disposed in correspondence with the mold clamping cylinders on the movable board; a plurality of mold opening/closing cylinders for moving the movable board; and a differential circuit connected between a front oil chamber and a rear oil chamber of each of the plurality of mold clamping cylinder.

Appareil de serrage pour une machine à mouler comprenant : une base; un panneau fixe disposé sur la base; un panneau mobile par rapport au panneau fixe; une pluralité de cylindres de serrage de moule disposés en positions prédéterminées sur le panneau fixe, chaque cylindre de serrage de moule ayant un piston de serrage de moule avec orifice de réception de barre de liaison et un dispositif de connexion de barre de liaison disposé sur le piston de serrage de moule; une pluralité de barres de liaison filetées à une extrémité, les barres de liaison étant disposées en correspondance avec les cylindres de serrage de moule sur le panneau mobile; une pluralité de cylindres d'ouverture/de fermeture de moule pour le déplacement du panneau mobile; et un circuit différentiel connecté entre la chambre de lubrification avant et la chambre de lubrification arrière de chacun des cylindres de serrage de moule.

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