Device for sheet material corrugation

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 13/02 (2006.01) B29C 53/28 (2006.01)

Patent

CA 2546603

The device contains the transformable mandrel (12) made of plane elements (14) pivotedly connected in-between with the use of gas-proof fabric (15,16), the means for preliminary and final mandrel transformation including the flexible vacuum chamber and traverse-pusher (11) with the drive (10), and the mechanism for putting the transformable mandrel into its initial plane state made in the form of two parallel slabs (6, 7) with the drive for their reciprocal travel (9). The means for preliminary mandrel transformation is made in the form of the system of pushers placed in rows on the lower and the upper slabs with individual drives. The perforations in the slabs provide the possibility for the pushers to interact with the transformable mandrel placed between the slabs whereas the mandrel with sheet blank article is put into the vacuum chamber.

Le dispositif comprend un mandrin (12) transformable constitué d'éléments plats (14) montés pivotants à l'aide d'un tissu étanche au gaz (15,16), le moyen de transformation préliminaire et finale, y compris la chambre sous vide flexible et un poussoir traversal (11) doté d'un mécanisme d'entraînement (10), et le mécanisme permettant de mettre le mandrin transformable dans son état plan initial et réalisé sous la forme de deux barres parallèles (6, 7) avec l'entraînement destiné à leur déplacement réciproque (9). Le moyen de transformation préliminaire du mandrin est réalisé sous la forme d'un système de poussoirs placés en rangées sur la barre inférieure et la barre supérieure avec des entraînements individuels. Les perforations des barres offrent la possibilité aux poussoirs de coopérer avec le mandrin transformable placé entre les barres, le mandrin avec l'article ébauche feuille étant mis dans la chambre sous vide.

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