Device for sheet material corrugation

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 13/00 (2006.01) B21D 13/02 (2006.01)

Patent

CA 2546606

The invention can be defined in its most general form as a device for sheet material corrugation by means of bending and can be used in production of light core for sandwich panels, and elements of heat-exchange apparatus.The device includes the pivotedly connected in-between shaping and auxiliary systems of dies (4) and the drive for their transformation including the system of vacuumization and the chamber (3) made of flexible gas-proof material where the latter of said systems is fixed. Used to set the system of shaping dies (4) into its initial plane state is the mechanism made in the form of rigid chamber with the perforated cap (2) providing the possibility to connect the chamber to the system of vacuumization. The device also includes the subsidiary flexible removable vacuum chamber (8) wherein the blank (6) from sheet material is placed in contact with the shaping system of dies (4). Said chamber and the transformation drive chamber have a common wall rigidly connected to the shaping and auxiliary systems of dies (4) at locations of their pivot connection.

L'invention concerne, dans sa forme la plus générale, un dispositif d'ondulation d'un matériau en feuille par pliage et peut être utilisée dans la production d'une âme légère pour les panneaux sandwich et d'éléments d'un appareil d'échange thermique. Le dispositif comprend les systèmes de mise en forme de matrices (4) montés pivotants et l'entraînement destiné à leur transformation, y compris le système de mise sous vide et la chambre (3) réalisée dans un matériau flexible étanche au gaz, le dernier de ces systèmes étant fixe. Pour régler le système de matrices (4) dans son état plan initial, on utilise le mécanisme réalisé sous la forme d'une chambre rigide avec le capuchon perforé (2) permettant de connecter la chambre au système de mise sous vide. Le dispositif comprend également la chambre sous vide (8) amovible flexible secondaire, l'ébauche (6) de matière feuille étant mise en contact avec le système de mise en forme de matrices (4). Cette chambre et la chambre de commande de transformation ont une paroi commune connectée de manière rigide aux systèmes de mise en forme et auxiliaire de matrices (4) à des emplacements de leur connexion pivot.

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