Case blank vacuum pickup and feeder apparatus

摘要

Case blank magazine and feeder apparatus for picking up a case blank from a stack of case blanks on the magazine and feeding the blank into the case opening part of the machine, a pickup carriage mounted on a frame for reciprocal movement from a blank pickup position to a blank transfer position, vacuum cups mounted on pickup carriage for movement between a lowered pickup position and an elevated position, a belt conveyor assembly on the frame for advancing the picked up blank from the transfer position to a discharge position that the blank falls onto slide rails, a carriage mounted on the frame for reciprocal movement for advancing the blank to a blank opening station and control mechanism for vacuum cups and the pickup carriage.