Supply station

B - Operations – Transporting – 21 – F

Patent

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Details

B21F 23/00 (2006.01) B21D 43/08 (2006.01)

Patent

CA 2719463

The invention relates to a supply station (1) for a thread (2) in a thread-shaping machine, wherein said station includes grooved rollers operating in pairs and rotating in opposite directions, the thread being clamped between said rollers by the relative closing-in of the latter, characterised in that the two rollers of a same pair of driving rollers (9, 10) are supported at the front of a same single-piece bearing block (7), the bearing block being elastically deformable for absorbing a relative movement of said rollers (9, 10). Preferably, the bearing block (7) also includes an endless transmission screw (15) on which meshes a pair of transmission wheels (13, 14) coaxial with the driving rollers (9, 10) that the former rotate. More particularly, a bearing block (7) is capable of deformation so that a relative movement of the rollers results in a rotation-deformation of the bearing block about the axis of the transmission screw (15).

L'invention concerne un poste d'amenage (1) d'un fil (2) dans une machine de façonnage de fil, ledit poste comportant des galets à gorge fonctionnant par paire et tournant en sens inverse l'un de l'autre, le fil étant pincé entre lesdits galets par rapprochement relatif de ceux-ci, caractérisé en ce que les deux galets d'une même paire de galets d'entraînement (9, 10) sont portés à l'avant d'un même bloc-palier (7) unitaire, ledit bloc-palier étant déformable élastiquement pour absorber un déplacement relatif des galets (9, 10). Préférentiellement ledit bloc-palier (7) porte également une vis de transmission sans fin (15) sur laquelle s'engrènent un couple de roues de transmission (13, 14) coaxiales avec les galets d'entraînement (9, 10) qu'elles entraînent en rotation. Plus particulièrement un bloc-palier (7) se déforme de sorte qu'un déplacement relatif des galets se traduit par une rotation-déformation du bloc-palier autour de l'axe de la vis de transmission (15).

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