Sheet-like article sort-out apparatus

Details Sheet-like article sort-out apparatus Sheet-like article sort-out apparatus

B - Operations, Transporting

65

G

B65G 47/91 (2006.01) B65G 21/20 (2006.01) B65H 29/60 (2006.01)

Patent

CA 2127580

A belt conveyor is provided to feed veneers in the arrow-marked direction in the drawing. A porous transfer belt having numerous of air holes therein is stretched around so as to run above said belt conveyor. Inside the porous transfer belt, a suction hood which has a plurality of small air passages formed in the running direction of the porous conveyor belt is installed to rotatably accommodate a damper further therewithin. The damper makes intermittent rotations to open or close the sucking section such that only a desired veneer is selectively sucked for sort-out transfer with the result that the need for piercing the veneer or defining in advance a gap between each adjacent two veneers is eliminated. Therefore, it is now possible to perform high speed sort-out operations without subjecting the veneer to damage or breakage resulting from tensile strength exerted thereon at the time of defining the gap.

a présente invention vise un transporteur à courroie pour le transport de placages dans le sens indiqué par la flèche sur le dessin. Une courroie de transfert poreuse comportant de nombreux trous d'air est étirée de manière à passer au-dessus dudit transporteur à courroie. ~ l'intérieur de la courroie de transfert poreuse, un capot d'aspiration comportant plusieurs petits passages d'air formés dans le sens d'attaque de la courroie poreuse est installé de manière à recevoir un registre tournant. Le registre effectue des rotations intermittentes qui permettent d'ouvrir et de fermer la section aspiration de sorte que seul un placage choisi est aspiré de manière sélective pour le transfert en vue du tri, ce qui élimine la nécessité de percer le placage ou de définir d'avance un écart entre deux placages adjacents. Il est maintenant possible de procéder à des opérations de tri à haute vitesse sans endommager ou briser le placage par suite de la résistance à la traction exercée sur le placage au moment de définir l'écart.

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