Patent ID: 8657555
Filing Date: 2014-02-25
Classification: B31B,B65H

Abstract:
1. A counter ejector of a cardboard sheet box-making machine for counting and forming batches of a predetermined number of cardboard sheets which have been folded and glued by a folder-gluer after being subjected to processing such a printing, said counter ejector comprising: a front contact plate that contacts the front edge portion of a cardboard sheet fed in a predetermined feed direction from the folder-gluer, said front contact plate being moved in the feed direction; a spanker disposed in the feed direction facing the front contact plate to contact the back edge portion of the fed cardboard sheet and align the back edge portion; a ledge that separates a plurality of cardboard sheets loaded between the front contact plate and the spanker, said ledge being capable of advancing and retracting in a horizontal direction so as to form batches of a predetermined number of sheets; a transfer conveyor disposed below the front contact plate and the spanker to transfer the batches in a transfer direction which is the same as the predetermined feed direction; an elevator, furnished with a table on which the cardboard sheet batches are loaded that raises and lowers the table, the table being moveable in the feed direction; a front contact plate drive device that moves the front contact plate in the feed direction; a table drive device to move the table in the feed direction; and a control device that controls the front contact plate drive device and the table drive device so as to move the front contact plate by respective lengths of the cardboard sheets and move the table in the feed direction by the amount of movement of the front contact plate in the feed direction prior to the cardboard sheet batches being loaded onto the table; wherein the table moves up and down at a position where the batch on the table has been handed over to the transfer conveyor.