System for supplying preforms in particular for a container...

Details System for supplying preforms in particular for a container... System for supplying preforms in particular for a container...

B - Operations, Transporting

65

G

B65G 47/14 (2006.01) B65G 47/256 (2006.01) B29C 49/06 (2006.01)

Patent

CA 2425345

The invention concerns a system for supplying preforms, of the type comprising a hopper (18) inclined relative to the horizontal and at the bottom of which are arranged two substantially parallel rollers (28) driven in rotation about their respective axis (A1, A2), and wherein the preforms (32) are delivered in bulk at the upper end of the hopper (18). The invention is characterised in that the hopper (18) comprises at least wheel for ejecting (40) wrongly oriented preforms (50) which is driven in rotation about its axis (A3, A4, A5), which is inclined relative to a perpendicular to the direction of axes (A1, A2) of the aligning rollers so as to sweep the wrongly aligned or nested preforms (50) and to eject them directly towards a lateral discharge orifice (24) of the hopper.

L'invention concerne un système d'alimentation de préformes, du type comportant une trémie (18) qui est inclinée par rapport à l'horizontale et au fond de laquelle sont disposés deux rouleaux (28) sensiblement parallèles entraînés en rotation autour de leur axe respectif (A1, A2), et du type dans lequel les préformes (32) sont déversées en vrac à l'extrémité supérieure de la trémie (18),caractérisé en ce que la trémie (18) comporte au moins une roue d'éjection (40) des préformes mal orientées (50) qui est entraînée en rotation autour de son axe (A3, A4, A5), lequel est incliné par rapport à une perpendiculaire à la direction des axes (A1, A2) des rouleaux d'alignement de manière à balayer les préformes mal alignées ou emboîtées (50) et à les éjecter directement vers un orifice latéral d'évacuation (24) de la trémie (18).

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