Roller head for a planetary rolling mill

Details Roller head for a planetary rolling mill Roller head for a planetary rolling mill

B - Operations, Transporting

21

B

B21B 31/18 (2006.01) B21B 13/00 (2006.01)

Patent

CA 2393822

A roller head for a planetary rolling arrangement, said roller head (1) comprising a housing (8), inside which housing there is rotatably arranged a hollow outer axis (5) and means (2, 3, 4), for rotating said outer axis, as well as inside said outer axis, in a manner that transmits the rotary motion thereof, a center axis (6), which is movable in the axial direction and can be locked in the axial direction, said center axis (6) being provided with a roller (7). The roller head is characterized by an adjusting axis (16) which is rotatably arranged at the end of the outer axis (5) that is located on the opposite side with respect to the roller (7) and is essentially locked in the axial direction said adjusting axis (16) comprising a counterpart (17) for the threaded section (15) provided in the center axis (6), and said adjusting axis also including a locking member (18), which in the locking position forms a friction coupling at least between the adjusting axis (16) and the outer axis (5).

L'invention concerne une tête de cylindre pour dispositif de laminage planétaire, laquelle tête (1) comprend un logement (8), dans lequel sont montés rotatifs un axe (5) extérieur creux et des moyens (2, 3, 4) destinés à entraîner ledit axe en rotation, ainsi qu'un axe (6) central, monté dans ledit axe extérieur de manière à transmettre le mouvement de rotation, qui peut se déplacer et se bloquer dans le sens axial, ledit axe (6) central étant équipé d'un galet (7). La tête de cylindre est caractérisée en ce qu'elle comporte un axe (16) d'ajustement monté rotatif à l'extrémité de l'axe (5) extérieur, lequel axe se trouve à l'opposé du galet (7), sensiblement bloqué dans le sens axial. Ledit axe (16) d'ajustement comprend une pièce pendante (17) de la section filetée (15) de l'axe (6) central, et également un élément (18) de blocage qui, en position de blocage, forme un embrayage à friction, tout du moins entre l'axe (16) d'ajustement et l'axe (5) extérieur.

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