EP1758739B1 - Cylindres pour machines traitant des materiaux sous forme de bande - Google Patents

Cylindres pour machines traitant des materiaux sous forme de bande Download PDF

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Publication number
EP1758739B1
EP1758739B1 EP05752566A EP05752566A EP1758739B1 EP 1758739 B1 EP1758739 B1 EP 1758739B1 EP 05752566 A EP05752566 A EP 05752566A EP 05752566 A EP05752566 A EP 05752566A EP 1758739 B1 EP1758739 B1 EP 1758739B1
Authority
EP
European Patent Office
Prior art keywords
lubricant
cylinder according
cylinder
pressurized
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05752566A
Other languages
German (de)
English (en)
Other versions
EP1758739A1 (fr
Inventor
Rolf Michael Thiemicke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Officine Meccaniche Giovanni Cerutti SpA
Original Assignee
CERUTTI SpA OFF MEC
Officine Meccaniche Giovanni Cerutti SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by CERUTTI SpA OFF MEC, Officine Meccaniche Giovanni Cerutti SpA filed Critical CERUTTI SpA OFF MEC
Publication of EP1758739A1 publication Critical patent/EP1758739A1/fr
Application granted granted Critical
Publication of EP1758739B1 publication Critical patent/EP1758739B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/18—Impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/18—Impression cylinders
    • B41F13/187—Impression cylinders for rotogravure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets

Definitions

  • the invention relates to a cylinder for web-like material processing machines according to the preamble of claim 1.
  • a cylinder for sheet material processing machines comprising a rotatably mounted spindle and a tubular jacket which is rotatably mounted on the spindle.
  • the jacket of the impression roller is made of steel, for example, and carries a sleeve (also called sleeve) made of rubber-like material.
  • a sleeve also called sleeve
  • the cylinder described in this document uses a heat exchanger that is integrated with the cylinder.
  • the special problems of simultaneously efficient lubrication of the moving parts of the cylinder can not be solved by the integrated heat exchanger.
  • a cylinder in which a lubricant and cooling circuit is formed.
  • fluid flow is created within the cylinder, particularly in the space between a stationary support and the tubular jacket.
  • the sealing of the flow area continues to cause difficulties at high rotational speeds and in the case of an optionally desired bending of the cylinder.
  • this design does not provide a solution to the way in which changing the applied to the shell of the cylinder sleeve can be facilitated or supported.
  • the conventional use of a sliding layer produced by compressed air is ruled out because the intended lubricant circuit no longer allows the outflow of compressed air through the jacket of the cylinder.
  • the US 5 174 206 A discloses a cylinder for web-like material processing machines with a rotatably mounted shaft and a rotatably mounted on this over several bearings mantle, wherein between the axis and the jacket is provided a partially extending in the axial direction lubricant space.
  • the invention has for its object to provide a cylinder for web material processing machines.
  • the two sealing rings may consist of different materials and have different shapes, whereby they can be optimally adapted to the respective medium contained in the space to be sealed. It is particularly advantageous if the compressed gas space can be supplied with compressed gas, in particular compressed air, via a compressed gas bore extending at least partially in the axis. At the front-side mouth of the pressure gas bore in the axis can be connected in this case, particularly simple, a compressed gas supply line. Starting from the compressed gas bore, several supply bores can be led to the compressed gas space.
  • the lubricant for efficient lubrication of the bearings and simultaneous cooling of the cylinder jacket, it is advantageous if the lubricant, for.
  • As oil during the rotation of the shell is caused to a targeted flow.
  • the heat generated by the flexing work can be dissipated quickly from the inside of the jacket.
  • the flow can preferably pass through the individual bearings, which are arranged between the axis and the jacket, in order to ensure optimum lubrication conditions there. Since the individual bearings hinder a running in the axial direction of free lubricant flow, the lubricant must be specifically accelerated in the axial direction and returned to the home page after passing through such a camp.
  • an inclined oil deflector is preferably arranged in the vicinity of the inner surface of the shell. Upon rotation of the shell, this first oil deflector peels off the oil adhering to the inner surface of the shell and accelerates it in the axial direction. It is also advantageous if a second oil deflector is provided which, after flowing through a bearing, diverts the lubricant flow extending in the axial direction substantially in a radial direction, on the one hand to close the lubricant circuit and on the other hand to minimize the oil pressure acting on the lubricant side seal.
  • the second oil deflector is preferably arranged in the immediate vicinity of the lubricant-side sealing ring.
  • a impression roller or cylinder a one-piece or multi-piece formed axis 01, which is rotatably mounted with one end in a fixed bearing and with the other end in a floating bearing (not shown).
  • the printing press is preferably a gravure printing machine in which the impression roller acts as an impression cylinder of a forme cylinder for printing on a printing material.
  • the cylinder in particular a sleeve of the cylinder can have one or more printing plates.
  • the second main component of the cylinder is a tubular jacket 02, which is rotatably mounted on the axis 01.
  • the bearing of the shell 02 are several bearings 03, which are preferably designed as a ball bearing o. ⁇ . Rolling.
  • a pressure gas bore 04 extends starting from the fixed bearing side (in the figure on the left) of the axis 01.
  • the pressure gas bore 04 extends up to preferably a plurality of supply bores 05, which extend essentially radially through the axis 01 and open into a compressed gas space 06 .
  • the compressed gas chamber 06 communicates with a plurality of outlet openings 07, which are distributed on the circumference of the shell 02.
  • a lubricant chamber 08 is provided for the lubrication of the bearings 03 and the rotatable shell 02, which extends in the axial direction in sections between the axis 01 and the inner wall of the shell 02.
  • a suitable lubricant especially oil.
  • the two sealing rings 09; 10 are for example arranged immediately adjacent to each other and preferably each consist of a material which is adapted to the medium contained in the adjacent space (oil or compressed air).
  • the sealing rings 09; 10 are also located as close as possible to one of the bearings 03, on which the shell 02 is supported. The resulting from the possible bending of the Presseurmantels mechanical loads on the sealing rings 09; 10 can be kept small.
  • the sealing edges of the sealing rings 09; 10 are each facing the adjacent lubricant 08 or compressed gas chamber 06, as illustrated by the arrows.
  • a grease chamber for lubricating the pressure gas side sealing ring.
  • a directed lubricant flow is formed as the shell 02 rotates as follows: At rest, the lubricating oil collects in the lower part 8a of the lubricant space 08. When the shell 02 rotates, an oil layer forms on the inside surface of the lubricant Sheath 02, which has a certain thickness depending on the rotational speed and viscosity of the oil.
  • a first oil deflector 11 is provided, which partially peels off the oil layer adhering to the inner surface of the casing 02.
  • the first oil deflector 11 is slightly inclined to accelerate the peeled oil in the axial direction of the cylinder.
  • the resulting lubricant flow is indicated by a dashed line in Fig. 2 shown. Since the first oil deflector 11 is in the vicinity of the bearing 03, the lubricant flow is passed through the bearing 03. In the flow direction behind the bearing 03 in turn forms a radial oil layer the inner surface of the shell 02 from.
  • a second oil deflector 12 is provided, which peels off the lubricating oil from the inner surface of the casing 02 and directs it in the direction of the axis 01.
  • the lubricant circuit is closed in the illustrated embodiment by a lubricant channel 13 which extends obliquely to the axial direction of the cylinder through the axis 01.
  • a lubricant channel 13 which extends obliquely to the axial direction of the cylinder through the axis 01.
  • the lubricant channel 13 extends through the axis 01 and there intersects the pressure gas bore 04, a seal between the lubricant channel 13 and the pressure gas bore 04 must take place. This is done, for example, by a pipe 14 is inserted into a corresponding bore in the axis 01. It would also be conceivable that the lubricant channel 13 extends radially offset to the pressure gas bore 04 and in this way an intersection of these two cavities is avoided.
  • ⁇ lbe alternahrung 16 To seal the lubricant chamber 08 to the outside more sealing elements 15 are provided in the end regions of the cylinder.
  • an externally accessible ⁇ lbe spallbohrung 16 is present, which extends for example through the axis 01 and in the case of an intersection with the pressure gas bore 04 must also be sealed by a pipe 14.
  • the ⁇ lbe spallbohrung 16 extends from an oil filling 17 into the lubricant space 08.
  • the ⁇ lbe spallbohrung 16 can be used simultaneously for the venting of the lubricant space 08.
  • a Dipstick (not shown) are used, with which the oil level can be controlled.
  • a plurality of lubricant spaces 08 and, if required, a plurality of compressed gas spaces 06 may be formed on the cylinder, which are constructed in a comparable manner and sealed from each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • General Details Of Gearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Disintegrating Or Milling (AREA)
  • Replacement Of Web Rolls (AREA)
  • Sliding-Contact Bearings (AREA)

Claims (32)

  1. Cylindre pour machines traitant un matériau en forme de bande, et présentant un axe (01) monté sans pouvoir tourner et une enveloppe (02) montée à rotation sur cet axe par l'intermédiaire de plusieurs paliers (03), une douille pouvant être placée sur l'enveloppe, l'enveloppe (02) présentant entre l'axe (01) et l'enveloppe (02) un espace (08) à lubrifiant s'étendant par parties dans la direction axiale et un espace (06) à gaz sous pression s'étendant par parties dans la direction axiale et doté d'ouvertures de sortie (07).
  2. Cylindre selon la revendication 1, caractérisé en ce qu'un canal (13) à lubrifiant et un alésage (04) à gaz sous pression s'étendent dans l'axe (01).
  3. Cylindre selon la revendication 1, caractérisé en ce que l'espace (06) à gaz sous pression et l'espace (08) à lubrifiant sont séparés l'un de l'autre part au moins un anneau d'étanchéité (09) côté lubrifiant et un anneau d'étanchéité (10) côté gaz sous pression.
  4. Cylindre selon la revendication 3, caractérisé en ce que les deux anneaux d'étanchéité (09; 10) s'étendent radialement entre l'axe (01) et l'enveloppe (02) et en ce que leurs bords d'étanchéité sont tournés respectivement vers l'espace (08) à lubrifiant adjacent et l'espace (06) à gaz sous pression adjacent.
  5. Cylindre selon la revendication 1, caractérisé en ce que l'espace (06) à gaz sous pression peut être alimenté en gaz sous pression par un alésage (04) à gaz sous pression qui s'étend au moins en partie dans l'axe (01).
  6. Cylindre selon la revendication 2, caractérisé en ce que l'alésage (04) à gaz sous pression débouche sur le côté frontal de l'axe (01).
  7. Cylindre selon les revendications 5 ou 6, caractérisé en ce que l'alésage (04) à gaz sous pression communique avec l'espace (06) à gaz sous pression par au moins un alésage d'alimentation (05) qui s'étend radialement ou obliquement dans l'axe (01).
  8. Cylindre selon la revendication 1, caractérisé en ce qu'il présente au moins un canal (13) à lubrifiant dont les extrémités débouchent dans des parties de l'espace (08) à lubrifiant séparées par au moins un des paliers (03).
  9. Cylindre selon la revendication 8, caractérisé en ce que le canal (13) à lubrifiant s'étend dans l'axe (01) obliquement par rapport à la direction de l'axe du cylindre.
  10. Cylindre selon la revendication 9, caractérisé en ce que le canal (13) à lubrifiant s'étend dans l'axe (01) et est ferme de manière étanche aux gaz par rapport à l'alésage (04) à gaz sous pression dans la zone occupée par le croisement avec ce dernier.
  11. Cylindre selon la revendication 10, caractérisé en ce que le canal (13) à lubrifiant est configure comme tube (14) inséré dans un alésage de passage ménagé dans l'axe (01).
  12. Cylindre selon la revendication 1, caractérisé en ce qu'il présente un premier déflecteur d'huile (11).
  13. Cylindre selon la revendication 12, caractérisé en ce que le premier déflecteur d'huile (11) est disposé à proximité de la surface intérieure de l'enveloppe (02) et au voisinage d'un palier (03) disposé dans l'espace (08) à lubrifiant.
  14. Cylindre selon la revendication 12, caractérisé en ce que ce premier déflecteur d'huile (11) est incliné de telle sorte que lorsque l'enveloppe (02) est en rotation, le lubrifiant raclé sur sa surface intérieure est accéléré en direction de ce palier (03) pour traverser ce palier (03).
  15. Cylindre selon la revendication 12, caractérisé en ce qu'il présente un deuxième déflecteur d'huile (12).
  16. Cylindre selon la revendication 15, caractérisé en ce que le deuxieme déflecteur d'huile (12) est disposé à proximité de la surface intérieure de l'enveloppe (02) et au voisinage de l'anneau d'étanchéité (09) côté lubrifiant.
  17. Cylindre selon la revendication 16, caractérisé en ce qu'une des extrémités du canal (13) à lubrifiant débouche à proximité du premier déflecteur d'huile (11) dans la direction axiale du cylindre et l'autre extrémité débouche dans les espaces (08) à lubrifiant à proximité du deuxième déflecteur d'huile (12).
  18. Cylindre selon les revendications 16 ou 17, caractérisé en ce que le deuxième déflecteur d'huile (12) est disposé entre le palier (03) traversé par le lubrifiant et l'anneau d'étanchéité (09) côté lubrifiant.
  19. Cylindre selon la revendication 1, caractérisé en ce que des espaces (08) à lubrifiant sont formés sur les deux parties extérieures du cylindre et en ce que l'espace (06) à gaz sous pression est formé dans la partie centrale du cylindre.
  20. Cylindre selon la revendication 1, caractérisé en ce que les paliers (03) sont configurés comme paliers de roulement (03) disposés dans la zone occupée par l'espace (08) à lubrifiant.
  21. Cylindre selon la revendication 3, caractérisé en ce que l'anneau d'étanchéité (09) côté lubrifiant et l'anneau d'étanchéité (10) côté gaz sous pression sont constitués de matériaux différents qui sont adaptés aux fluides transportés respectivement dans l'espace (08) à lubrifiant et l'espace (06) à gaz sous pression qui doivent être rendus étanches.
  22. Cylindre selon la revendication 3, caractérisé en ce que l'anneau d'étanchéité (09) côté lubrifiant et l'anneau d'étanchéité (10) côté gaz sous pression sont disposés sur la longueur totale du cylindre à proximité étroite d'un palier (03) qui s'étend entre l'axe (01) et l'enveloppe (02).
  23. Cylindre selon la revendication 3, caractérisé en ce qu'une chambre à graisse destinée à lubrifier l'anneau d'étanchéité (10) côté gaz sous pression est formée au moyen d'un anneau intermédiaire entre l'anneau d'étanchéité (09) côté lubrifiant et l'anneau d'étanchéité (10) côté gaz sous pression.
  24. Cylindre selon la revendication 1, caractérisé en ce qu'il présente un alésage (16) de remplissage d'huile qui s'étend jusque dans l'espace (08) à lubrifiant en partant d'une ouverture (17) de remplissage d'huile accessible à l'état monté.
  25. Cylindre selon la revendication 24, caractérisé en ce que l'alésage (16) de remplissage d'huile s'étend dans l'axe (01) obliquement par rapport à la direction de l'axe du cylindre.
  26. Cylindre selon les revendications 24 ou 25, caractérisé en ce que l'alésage (16) de remplissage d'huile sert en même temps d'ouverture d'évent pour l'espace (08) à lubrifiant.
  27. Cylindre selon les revendications 24, 25 ou 26, caractérisé en ce qu'une échelle de mesure peut être insérée dans l'alésage (16) de remplissage d'huile.
  28. Cylindre selon la revendication 1, caractérisé en ce que le cylindre est configuré comme presse.
  29. Cylindre selon la revendication 1, caractérisé en ce que le cylindre est configuré comme cylindre à contrepression.
  30. Cylindre selon la revendication 1, caractérisé en ce que la douille présente une forme d'impression.
  31. Cylindre selon la revendication 1, caractérisé en ce que le cylindre est disposé dans une machine d'impression.
  32. Cylindre selon la revendication 1, caractérisé en ce que le cylindre est disposé dans une machine d'impression en taille douce.
EP05752566A 2004-06-25 2005-06-03 Cylindres pour machines traitant des materiaux sous forme de bande Not-in-force EP1758739B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004030702A DE102004030702B3 (de) 2004-06-25 2004-06-25 Zylinder für bahnförmiges Material verarbeitende Maschinen
PCT/EP2005/052557 WO2006000516A1 (fr) 2004-06-25 2005-06-03 Cylindres pour machines traitant des materiaux sous forme de bande

Publications (2)

Publication Number Publication Date
EP1758739A1 EP1758739A1 (fr) 2007-03-07
EP1758739B1 true EP1758739B1 (fr) 2010-09-29

Family

ID=34969945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05752566A Not-in-force EP1758739B1 (fr) 2004-06-25 2005-06-03 Cylindres pour machines traitant des materiaux sous forme de bande

Country Status (6)

Country Link
US (1) US20080254960A1 (fr)
EP (1) EP1758739B1 (fr)
CN (1) CN100491124C (fr)
AT (1) ATE482824T1 (fr)
DE (2) DE102004030702B3 (fr)
WO (1) WO2006000516A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100553970C (zh) * 2006-12-19 2009-10-28 陕西北人印刷机械有限责任公司 冷却辊装置
IT1390945B1 (it) * 2008-08-06 2011-10-27 Futura Spa Rullo per il trattamento di materiale nastriforme cartaceo
CN102653161A (zh) * 2012-05-09 2012-09-05 中国人民银行印制科学技术研究所 一种印刷滚筒
CN104608472A (zh) * 2015-02-14 2015-05-13 合肥誉联信息科技有限公司 印版辊筒顶紧转动用密封装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE322471B (fr) * 1966-04-28 1970-04-06 Skandinaviska Apparatind
US3420590A (en) * 1966-10-31 1969-01-07 Forano Ltd Dustproof bearing for idler roller
FI67675C (fi) * 1980-09-04 1985-05-10 Frankenthal Ag Albert Cylinder foer banformiga material bearbetande maskiner
US4437695A (en) * 1982-01-08 1984-03-20 Best Lock Corporation Knob retainer blocker mechanism
DE3439090A1 (de) * 1984-10-25 1986-04-30 Albert-Frankenthal Ag, 6710 Frankenthal Zylinder fuer bahnfoermiges material verarbeitende maschinen
IT1248446B (it) * 1990-12-19 1995-01-19 Componenti Grafici Srl Rullo pressore per macchina da stampa, con sistema di condizionamento e di lubrificazione ad olio
SE501758C2 (sv) * 1993-09-07 1995-05-08 Scandrive Hallstahammar Ab Vals, i synnerhet rivvals
US5484212A (en) * 1994-01-14 1996-01-16 Heidelberger Druckmaschinen Ag Method of lubricating printing cyclinder bearings
EP0741016A3 (fr) * 1995-05-05 1997-09-24 Pretto De Escher Wyss Srl Rouleau d'impression
US5632203A (en) * 1995-06-14 1997-05-27 Quad Graphics, Inc. Anti-ghosting roller
DE19603651C2 (de) * 1996-02-01 2000-06-21 Voith Sulzer Papiermasch Gmbh Walze
US5943955A (en) * 1997-08-29 1999-08-31 Goss Graphic Systems, Inc. Printing press having cantilevered self-driven cylinders
DE10023205C2 (de) * 2000-05-12 2003-07-17 Koenig & Bauer Ag Zylinder einer Rotationsdruckmaschine

Also Published As

Publication number Publication date
DE502005010309D1 (de) 2010-11-11
WO2006000516A1 (fr) 2006-01-05
US20080254960A1 (en) 2008-10-16
DE102004030702B3 (de) 2006-02-09
EP1758739A1 (fr) 2007-03-07
CN1878673A (zh) 2006-12-13
CN100491124C (zh) 2009-05-27
ATE482824T1 (de) 2010-10-15

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