Bobst Sa

Bobst Mex Sa

Bobst Group, Inc.

Atlas Converting Equipment Limited

Daniel Cugnoni

Roberto Valterio

Michael A Schenone

Luc-Andre Neuenschwander

Kevin Marston

Philippe Vogt

Steven Lock

Marcos Gonzalo

Raphael Sciboz

A non-stop rack device for temporary receipt of the flat elements in the form of sheets in a converting machine, the device comprising a plurality of parallel bars which are integral with a mobile support which can be displaced between a receipt position, in which the bars can support temporarily the flat elements which are being stacked, and a released position, in which the said bars are placed spaced from any stack of flat elements. Each non-stop bar is mounted so as to be mobile in transverse displacement relative to the mobile support, and the non-stop rack device also comprises a blocking arrangement, which can block the transverse mobility of each non-stop bar.

Non-stop rack device for a converting machine

A device for aligning plate-like workpieces traveling in a machine direction in a machine processing them, more particularly in a folder-gluer, comprising an upper aligner and a lower aligner. The lower aligner is equipped, on the one hand with a guiding member mounted on a lower guide, and on the other hand with a lower conveyor having at least one useful portion which is fixedly attached to an upper guide movable in the horizontal plane with respect to the lower guide. The lower and upper guides form a bearing element unit, which is weakened by an opening extending between the guides.

Device for aligning plate-like workpieces in a machine processing them

The disclosed squaring device utilizes an upper squaring carriage with compression belts and pneumatically actuated squaring fingers. In one embodiment, the upper squaring carriage includes at least three compression belts. At least one of the compression belts, central to the other belts, is positioned to apply direct pressure to the glued seam after the upper panels and lower panels are aligned. As a folded box reaches the end of the folding section and enters the squaring section, the moveable belt is raised so as not to apply pressure directly to the glued seam. The drive belts on either side of the seam maintain the box in compression. As the box approaches the squaring fingers, it passes a sensor that sends a signal to a programmable logic controller. At a selected time, depending on the conveyor belt speed, the controller actuates a pneumatic piston that drives a rack and pinion mechanism to rotate the squaring fingers into position to intercept the box travel. The bottom panel arrives at the fingers first, is stopped by the fingers, and slips on the lower conveyor belt. The upper compression belts continue to drive the upper panels forward until they arc also stopped by the squaring fingers, bringing the box precisely square. The squaring fingers are then retracted, permitting the squared box to continue through the machine. In a second embodiment of the inventive device the upper squaring carriage includes two compression belts, with squaring fingers positioned outward of the belts, with respect to the center line of the conveyor. The embodiments share the feature that the belts are controlled to exert a lower pressure on the boxes during the squaring operation and a higher pressure on the boxes after they are brought into square.

Squaring carriage with pneumatic squaring fingers

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Corseaux, Switzerland

Daniel Cugnoni