| 摘要 |
The reception and ejection device for flat elements (2) in a packaging production machine (10). The machine continuously delivers several rows of elements placed into parallel layers (22) successively onto three conveyor belts (13,23,33). The layers are cylindrically unloaded into a stacker (40) by means of a layer driving and interrupting mechanism (60). The device allows the separate ejection of a layer to a waste conveyor collecting the flat elements detected as being defective. The mechanism comprises upper (61) and lower (62) trolleys which can move at the same speed in opposite directions along an axis parallel to the row of layers.
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