Device for the shaping of conglomerates

B - Operations – Transporting – 28 – B

Patent

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Details

B28B 1/08 (2006.01) B06B 1/16 (2006.01) B28B 1/087 (2006.01) B28B 7/00 (2006.01) B30B 11/02 (2006.01)

Patent

CA 2514956

The invention relates to a device for moulding mixtures, preferably concrete mixtures (3) for producing blocks. Said device comprises a mould (2) for receiving the concrete mixture (3), a table (1), to which the mould (2) is coupled by means of brace elements, a vibration generation system, mounted on the table (1), for generating harmonic vibrations and for transmitting the latter to the table (1), a load (4) in the form of a ram for exerting a force on the concrete mixture (3), first spring elements (5) for elastically supporting the table (1) and second spring elements (6) for elastically supporting the load (4). A device of this type is equipped with at least eight rotating unbalanced shafts (8) with parallel rotational axes in the vibration generation system. The unbalanced shafts (8) are coupled in pairs for their rotational motion, each pair of unbalanced shafts (8) having a common rotational axis and being driven independently of the other pairs.

La présente invention concerne un dispositif pour mouler des mélanges, de préférence des mélanges de béton (3) pour produire de la pierre, ledit dispositif comprenant: un moule (2) qui sert à recevoir le mélange de béton (3); une table (1) à laquelle le moule (2) est couplé par des éléments de serrage; un système de production d'oscillations fixé contre la table (1), qui sert à produire des oscillations harmoniques et à les transmettre à la table (1); une charge (4) qui se présente sous la forme d'une étampe et sert à appliquer une force au mélange de béton (3); de premiers élément de rappel (5) qui servent de support élastique à la table (1); et de seconds éléments de rappel (6) qui servent de support élastique à la charge (4). Dans un dispositif de ce type, le système de production d'oscillations comprend au moins huit arbres non équilibrés (8) rotatifs ayant des axes de rotation parallèles entre eux. Les arbres non équilibrés (8) ont des mouvements de rotation couplés par deux, chaque paire d'arbres non équilibrés (8) ayant un axe de rotation commun et étant entraînée indépendamment des autres paires.

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