Modular multipurpose bending machine and its linear...

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 5/14 (2006.01) B21D 7/06 (2006.01) B21D 7/08 (2006.01) B21D 11/20 (2006.01) B21D 28/24 (2006.01) B21D 41/02 (2006.01)

Patent

CA 2238159

The described and claimed bending machine for bending pipes, structural rods or the like comprises a frame having a main side in which a bending head is provided including three bender rollers. One of the three rollers is mounted on a vertically displaceable slider. In addition to the usual reduction gear unit driving one or more of the bender rollers, a double acting hydraulic cylinder with a driving rod for displacement of the slider. The cylinder body is mounted inside the frame and below the bending head. This provides a work surface (C) on the main side above the working head. This work surface is adapted to support a bending tool (20) and it also provides an opening for an interface connection of the work surface to mechanical members of the same bending machine to increase the possibility of bending operations carried our by the device.

La cintreuse décrite et dont la protection est demandée est utilisée pour plier les tuyaux, les barres d'armature, etc., elle comprend un cadre dont le côté principal est muni d'une tête de cintrage comptant trois rouleaux. L'un des trois rouleaux est installé sur une pièce coulissante déplaçable verticalement. En plus de l'engrenage réducteur entraînant un ou plusieurs rouleaux de cintrage, la cintreuse comprend un cylindre hydraulique à double effet pourvu d'une tige d'entraînement pour déplacer la pièce coulissante. Le corps du cylindre est monté à l'intérieur du cadre et sous la tête de cintrage. Ceci permet de disposer d'une surface de travail (C) sur le côté principal au-dessus de la tête de cintrage. Cette surface de travail est conçue pour supporter un outil de cintrage (20) et elle comporte aussi une ouverture pour la liaison interface de la surface de travail aux éléments mécaniques de la cintreuse afin d'étendre la gamme de travaux de cintrage effectuée à l'aide du dispositif.

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