Installation for manufacturing foundry cores from fluid sands in heated boxes

The invention relates to foundry work. The installation which is the subject of the invention is characterised, particularly, in that it comprises means 32, 37, 50, 57, 52 for changing the position of at leat one mixer 30 of the mechanism 3 for preparing sand, at least one metering chamber 33 of the pressing mechanism 4, controls 23 for immobilising the upper and lower parts of the core boxes 5, controls 25 for closing the valves, and support bars 10 receiving the finished cores, these means 21, 37, 50, 51, 52 being arranged in the upper stage 2 of the carrier chassis 1. The invention may be used in the production of motor vehicles, sanitary equipment, and in electrotechnical and mechanical constructions, as well as in other branches of industry where pieces are produced on a large and very large scale. L'INVENTION CONCERNE LA FONDERIE.L'INSTALLATION FAISANT L'OBJET DE L'INVENTION EST CARACTERISEE NOTAMMENT EN CE QU'ELLE COMPORTE DES MOYENS32, 37, 50, 57, 52 DE CHANGEMENT DE LA POSITION D'AU MOINS UN MELANGEUR30 DU MECANISME3 DE PREPARATION DE SABLE, D'AU MOINS UNE CHAMBRE DOSEUSE33 DU MECANISME DE PRESSAGE4, DES COMMANDES23 DE BLOCAGE DES PARTIES SUPERIEURE ET INFERIEURE DES BOITES A NOYAUX5, DES COMMANDES25 DE FERMETURE DES VANNES, ET DES BARRES D'APPUI10 RECEVANT LES NOYAUX FINIS, CES MOYENS21, 37, 50, 51, 52 ETANT DISPOSES A L'ETAGE SUPERIEUR2 DU CHASSIS PORTEUR1.L'INVENTION PEUT ETRE UTILISEE DANS LA PRODUCTION DE VEHICULES AUTOMOBILES, DE MATERIEL SANITAIRE, DANS LES CONSTRUCTIONS ELECTROTECHNIQUES, MECANIQUES, AINSI QUE DANS D'AUTRES BRANCHES DE L'INDUSTRIE OU ON PRODUIT DES PIECES EN GRANDES ET EN TRES GRANDES SERIES.