Printing machine

B - Operations – Transporting – 41 – F

Patent

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Details

B41F 31/04 (2006.01)

Patent

CA 2602582

A printing machine capable of easily automating the replacement of edge-dams and simplifying setup operations and reducing setup operation time by further automating the setup operations. The printing machine comprises an inkpot member (2), an ink fountain roller (3), the pair of edge-dams (53) sucked onto the inkpot forming surface (37a) of the inkpot member (2) and the outer peripheral surface of the ink fountain roller (3) by a permanent magnet, and an edge-dam changer (85). The edge-dam changer (85) comprises an inkpot member rotating device (36), an edge-dam restraining member (110) restraining the edge-dams (53) moving apart from the inkpot forming surface (37a) by the rotation of the inkpot member (2) and rotated together with the ink fountain roller (3) and rotating the edge-dams in a direction for moving them apart from the outer peripheral surface of the ink fountain roller (3), a mobile body (88) movable and liftable over an inkpot (1), and an edge-dam holding member (91) fitted to the mobile body (88) to hold and release the edge-dams (53).

L~invention porte sur une machine à imprimer permettant d~automatiser facilement le remplacement des régulateurs de largeur, de simplifier les opérations de configuration et de réduire le temps de configuration à travers une automatisation des opérations de configuration. La machine à imprimer comprend un membre d~encrier (2), un rouleau d~encrier (3), deux régulateurs de largeur (53) aspirés sur la surface formant un encrier (37a) du membre d~encrier (2) et la surface périphérique extérieure du rouleau d~encrier (3) par un aimant permanent, et un modificateur de régulateur de largeur (85). Le modificateur de régulateur de largeur (85) comprend un dispositif de rotation de membre d~encrier (36), un membre de retenue de régulateur de largeur (110) retenant les régulateurs de largeur (53) s~éloignant de la surface formant l~encrier (37a) sous l~effet de la rotation du membre d~encrier (2) et tournant conjointement avec le rouleau d~encrier (3) et faisant tourner les régulateurs de largeur dans une direction pour les éloigner de la surface périphérique externe du rouleau d~encrier (3), un corps mobile (88) pouvant être soulevé au-dessus d~un encrier (1), et un membre de tenue de régulateur de largeur (91) fixé au corps mobile (88) en vue de tenir et relâcher les régulateurs de largeur (53).

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