| 摘要 |
A machine for arranging signatures (11) in bundles includes a receiving conveyor (12) onto which signatures are placed. The receiving conveyor (12) moves the signatures (11) in a shingled condition between deflecting surfaces (56) to cause the signatures to assume an edge-standing condition. The edge-standing signatures (11) move onto a consolidating conveyor (18) so they move closer together. The signatures (11) pass from the discharge end of the consolidating conveyor (18) onto an accumulating conveyor (19), which normally advances the signatures at a slightly lower speed than the consolidating conveyor (18). When enough signatures (11) to make a bundle have passed onto the accumulating conveyor (19), the velocity along that conveyor is increased substantially, and the consolidating conveyor (18) is stopped to produce an isolated group of edge-standing signatures on the accumulating conveyor (19). A sword (90) is extended into the signatures (11) at the juncture of the consolidating (18) and accumulating (19) conveyors and pushes the signatures on the accumulating conveyor (19) forward to form a distinct gap in the signatures to the rear of the sword (90). Compression fingers (106) extend into the path behind the isolated signatures on the accumulating conveyor (19) and push them forward. The sword (90) moves rearwardly to engage the leading signature behind the gap and prevent the signatures from falling. The compression finger (106) push the isolated bundle through a board drop assembly, where boards are placed at each end of the bundle. Thereafter, the compression fingers (106) compress the bundle so that a band may be secured around it. |
