| 摘要 |
PROBLEM TO BE SOLVED: To provide a counterejector capable of shortening a cycle time by shortening an operating time. SOLUTION: The counterejector comprises a back stop 26 for stopping a case 3 discharged from a folder gluer 1, an elevator 29 for receiving the case 3 dropped in contact with the stop 26, and a ledge 36 operating when stacks 50 formed by stacking on the elevator 29 arrive at a set number to receive the case for forming next stack. The counterejector also comprises auxiliary ledges 22a, 22b provided at a lower part of the stop 26 to receive the stack 50 on the ledge 36, an upper conveyor 44 constituted to move from the stop 26 to a predetermined distance in cooperation with the stop 26 to match a case size to hold the stacks 50, and a blower 32 for blowing air to an upper surface of the case 3 above the elevator 29 to press the case 3 by an air pressure of the blower 32.
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