Arrangement for removing oil in a roll

Details Arrangement for removing oil in a roll Arrangement for removing oil in a roll

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 13/00 (2006.01) D21G 1/02 (2006.01)

Patent

CA 2345249

The roll comprises a stationary support construction (11) and a roll mantle (12) revolving around said construction, which mantle is supported from its inner face (12') on the support construction (11) by means of at least one hydraulically loaded loading member (13), by whose means the roll mantle (12) is loaded against a backup roll (20) which forms a nip (N) with the roll. The oil removing arrangement comprises an oil collecting equipment (90) fitted in the space between the outer face (11'') of the support construction (11)cand the inner face (12') of the roll mantle (12), in which oil collecting equipment there is an oil guide plate (91) which is supported at least on the support construction (11), which is arc-shaped in the direction of the circumference and which forms a first oil guide face. At the lateral edges of the oil guide plate (91), there are radial aide walls (93, 94) directed towards the support construction, and at the curved rear edge there is a curved rear wall (92). In the space between the oil collecting equipment (90) and the outer face (11'') of the support construction (11), a flow passage is formed, along which the oil present in the roll is guided into oil guide arrangements passing out of the roll.

Le rouleau comprend une structure porteuse fixe (11) et une enveloppe (12) en rotation autour de ladite structure. La face interne (12') de l'enveloppe repose sur la structure porteuse (11) grâce à au moins un élément de charge hydraulique (13). Ainsi, l'enveloppe du rouleau (12) est plaquée contre un cylindre d'appui (20) qui forme un pincement (N) avec le rouleau. Le dispositif de retrait de l'huile est composé d'une part d'un équipement de récupération de l'huile (90) situé dans l'espace entre la face externe (11'') de la structure porteuse (11) et la face interne (12') de l'enveloppe du rouleau (12). L'équipement de récupération de l'huile comprend une plaque de guidage (91) qui repose au moins sur la structure porteuse (11). Cette plaque est incurvée dans le sens de la courbure du rouleau et forme ainsi une première face de guidage de l'huile. Les côtés latéraux de la plaque de guidage de l'huile (91) présentent des parois radiales (93, 94) tournées vers la structure porteuse et le côté arrière incurvé présente une paroi arrière incurvée (92). Un système de guidage de l'huile permet d'évacuer cette dernière à l'extérieur du rouleau en la faisant passer dans une voie d'écoulement, formée dans l'espace entre l'équipement de récupération de l'huile (90) et la face externe (11'') de la structure porteuse (11).

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