Apparatus for bending a strip material

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 5/00 (2006.01) B21D 5/04 (2006.01) B21D 37/20 (2006.01) B21D 53/64 (2006.01)

Patent

CA 2120037

The present invention relates to an apparatus for bending a strip material (100) such as a band blade. A stationary die (1) having a slit (11) through which the strip material (100) is passed is integrated with a shaft body (3). A movable die (2) which cooperates with the stationary die (1) to bend the strip material (100) is formed into a cylindrical shape. The rotation is transmitted from an electric motor (5), only to one end of the movable die (2). The replacement of the stationary die (1) is facilitated by attaching the lower end of the shaft body (3) by mounting bolts (85) to a machine base (4) through a mounting member (3). When the stationary die (1) is to be replaced, the mounting bolts (85) are removed, the shaft body (3) and the mounting member (8) are pulled out to the lower side of the machine base (4), and another shaft body is inserted from the lower side of the machine base, and the mounting member is fixed to the machine base by using the mounting bolts.

La présente invention vise un appareil servant à cintrer des bandes métalliques (100), comme des lames-rubans. Une matrice fixe (1) comportant une rainure (11) dans laquelle est introduite la bande métallique (100) est intégrée à un arbre. Une matrice mobile (2) fonctionne en tandem avec la matrice fixe (1) pour donner à la bande une forme cylindrique. Le mouvement de rotation est transmis par un moteur électrique (5) à une extrémité seulement de la matrice mobile. L'extrémité inférieure de l'arbre (3) est retenue par un élément de montage et fixée à un socle (4) au moyen de boulons de montage (85), ce qui facilite le remplacement de la matrice. Ainsi, le cas échéant, il suffit d'enlever les boulons (85), de retirer l'arbre (3) et l'élément de montage (8) depuis le côté inférieur du socle (4), d'insérer un autre arbre de ce même côté, puis de fixer l'élément de montage sur le socle au moyen des boulons de montage.

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