Tube bending machine and its right and/or left bending device

Details Tube bending machine and its right and/or left bending device Tube bending machine and its right and/or left bending device

B - Operations, Transporting

21

D

B21D 7/02 (2006.01)

Patent

CA 2467366

The invention concerns a tube bending machine comprising a bending arm (3) provided with a jaw support (7) which moves horizontally towards the bending head (2), said jaw support (7) being integral with a clamping jaw (8) which comprises at least a jaw (9, 11) for bending the tube (4) in a clockwise direction and at least jaw (10) for bending the tube (4) in an anti-clockwise direction, said jaws being mutually fixed, a bending roller (12) which is stationary on the bending arm (3) and which comprises at least a jaw (13, 15) for bending the tube (4) in a clockwise direction and at least a jaw (14) for bending the tube (4) in an anti-clockwise direction, said jaws (13, 14 and 15) being laterally offset relative to one another and on either side of the vertical axis (XX') of the bending head (2), a first gib support (16) which comprises at least a jaw (18, 19) for clamped accompaniment of the tube (4) when it is being bent in a clockwise direction, and a second gib support (17) which comprises at least a jaw (21) for clamped accompaniment of the tube (4) when it is being bent in an anti-clockwise direction.

La machine à cintrer les tubes suivant la présente invention comporte un ' bras de cintrage (3) pourvu d'un support de mors (7) qui se déplace horizontalement en direction de la tête de cintrage (2), ledit support de mors (7) étant solidaire d'un mors de serrage (8) qui comporte au moins une mâchoire (9, 11) pour le cintrage suivant une direction horaire du tube (4) et au moins une mâchoire (10) pour le cintrage suivant une direction anti-horaire du tube (4), lesdites mâchoires étant fixes entre elles, un galet de cintrage (12) qui est fixe sur le bras de cintrage (3) et qui comporte au moins une mâchoire (13, 15) pour le cintrage suivant une direction horaire du tube (4) et au moins une mâchoire (14) pour le cintrage à suivant une direction anti- horaire du tube (4), lesdites mâchoires (13, 14 et 15) étant décalées latéralement les unes par rapport aux autres et de part et d'autre de l'axe vertical XX' de la tête de cintrage (2), un premier support de réglette (16) qui comporte au moins une mâchoire (18, 19) pour l'accompagnement serré du tube (4) lors de son cintrage suivant une direction horaire, et un second support de réglette (17) qui comporte au moins une mâchoire (21) pour l'accompagnement serré du tube (4) lors de son cintrage suivant une direction anti-horaire.

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