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EP1749925B1 - Dispositif de pressage - Google Patents

Dispositif de pressage Download PDF

Info

Publication number
EP1749925B1
EP1749925B1 EP06114391A EP06114391A EP1749925B1 EP 1749925 B1 EP1749925 B1 EP 1749925B1 EP 06114391 A EP06114391 A EP 06114391A EP 06114391 A EP06114391 A EP 06114391A EP 1749925 B1 EP1749925 B1 EP 1749925B1
Authority
EP
European Patent Office
Prior art keywords
roll
press
arrangement according
tie rods
bearings
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
EP06114391A
Other languages
German (de)
English (en)
Other versions
EP1749925A1 (fr
Inventor
Andreas Meschenmoser
Peter Mirsberger
Andreas SCHÜTTE
Thomas Augscheller
Eckart Krägeloh
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to PL06114391T priority Critical patent/PL1749925T3/pl
Publication of EP1749925A1 publication Critical patent/EP1749925A1/fr
Application granted granted Critical
Publication of EP1749925B1 publication Critical patent/EP1749925B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0226—Bearings

Definitions

  • the invention relates to a pressing arrangement for dewatering or smoothing a paper, cardboard, tissue or other fibrous web for a machine for producing and / or finishing the same with a, formed by a press and a cylindrical counter-roller press nip, wherein the roll shell of Press roll is pressed by a contact element to the counter roll.
  • Such press arrangement have long been known, wherein the axes of the rollers are received by bearings, the bearing housings are housed in the chair or in separate Strangs kind.
  • the substantially equal bearings are connected via extending parallel to the press plane tension rods.
  • the object of the invention is therefore to ensure a simple and secure storage of the rolls.
  • this object is achieved in that the bearings for receiving the axis of the press roll are smaller than the bearings for receiving the axis of the counter roll, the opposite bearings are connected to each other at least at one end of the roll over at least two tie rods, the tie rods arranged on both sides of the press plane and are inclined in the direction of the press roll to the press plane.
  • the axis of the press roll can be made smaller. Accordingly, smaller bearings, ie even with a smaller bearing housing can be used in the press roll.
  • a simple yet stable connection can be realized via the tie rods. However, in order to protect them from lateral forces, they should, viewed in the direction of the press roll, run inclined to the press plane.
  • tie rods are preferably pulled out in recesses of the support parts.
  • a connection can be easily realized by tie rods, which have thickenings at their ends and are positively connected to the corresponding support parts.
  • At least one, preferably the leader-side support part of the press roll should not protrude beyond the roll shell of the press roll.
  • the roll shell can be easily pushed over the support part without first having to disassemble everything.
  • the tension rods should run approximately in accordance with the tangent connecting the bearing housings of the pressing and counter rollers.
  • the tension rods thus run approximately in the plane of the force flow.
  • the counter roll should have a, preferably arranged on the driver's side floating bearing, in particular in the form of a Carbager.
  • the movable bearing allows the displacement of the axis of the counter roll.
  • Carblager are toroidal roller bearings with high radial load capacity, which can compensate for misalignment and axial misalignments.
  • the press roll has a flexible roll shell, wherein the pressing member for forming an extended press nip has a concave pressing surface.
  • the press arrangement has a press nip formed by a press roll 4 and a counter roll 5 arranged thereunder.
  • the press felts absorb the pressed in the press nip from the fibrous web 1 water and transport it away.
  • the press roll 4 has a flexible roll shell 6 made of fiber-reinforced plastic, which is pressed by a contact pressure element 7 with concave pressing surface to the cylindrical counter-roller 5.
  • the axis 10 of the press roll 4 with the pressing element 7 is stationary. Because of the associated, lower load, the axis 10 of the press roll 4 can be performed with a substantially smaller diameter than the axis 11 of the backing roll 5.
  • the bearing 12 of the press roll 4 is substantially smaller than the bearing 13 of the counter roll fifth
  • These support parts 8,9 are connected to each other via two tension rods 15 at each end of the roll.
  • the tension rods 15 are pushed away from each other by means of a spreading device 19.
  • the required for the assembly of the tension rods 15 mounting clearance is thereby eliminated.
  • the result is a vibration-stable support connection.
  • tie rods 15 are located in recesses 17 of the support parts 8,9 and have to realize a positive connection with these at the ends thickenings 16th
  • the tension rods 15 are in the unloaded condition, i. with relieved pressure element 7 and relieved spreader 19 axially pulled out of the recesses 17. However, if the expansion element 19 is pressed against the counter roller 5, the connection via the tension rods 15 in the recesses 17 is also stretched.
  • the driver side support part 8 of the press roll 4 is smaller in size than the roll shell 6 of the press roll 4. Thus, if necessary, the roll shell 6 can be easily pushed over the support member 8 for changing.
  • the tension rods 15 arranged on both sides of the press plane 18 are inclined in the direction of the press roller 4 to the press plane 18.
  • the tension rods 15 extend approximately in accordance with the, the bearing housing of the press 4 and the counter roller 5 connecting tangent 14, so that they are located approximately in the plane of the circulating force flow of the two bearings 12,13.
  • the leader-side bearing 13 of the backing roll 5 is designed as a floating bearing, in particular as a carburetor with high radial load capacity.

Landscapes

  • Paper (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Press Drives And Press Lines (AREA)
  • Glass Compositions (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Finger-Pressure Massage (AREA)

Claims (9)

  1. Dispositif de pressage pour l'essorage ou le satinage d'une bande de papier, de carton, d'essuie-tout ou d'une autre matière fibreuse (1) pour une machine de fabrication et/ou de traitement de celle-ci, avec une fente de pressage formée par un rouleau de pressage (4) et un rouleau d'appui cylindrique (5), dans lequel l'enveloppe de rouleau (6) du rouleau de pressage (4) est pressée vers le rouleau d'appui (5) par un élément de pressage (7), caractérisé en ce que les paliers (12) destinés à recevoir l'axe (10) du rouleau de pressage (4) sont plus petits que les paliers (13) destinés à recevoir l'axe (11) du rouleau d'appui (5), les paliers opposés (12, 13) sont reliés l'un à l'autre au moyen d'au moins deux bielles (15) au moins à une extrémité des rouleaux, les bielles (15) sont disposées de part et d'autre du plan de pressage (18) et sont inclinées par rapport au plan de pressage (18) en direction du rouleau de pressage (4).
  2. Dispositif de pressage selon la revendication 1, caractérisé en ce que les paliers (12, 13) s'appuient dans des pièces de support séparées (8, 9).
  3. Dispositif de pressage selon la revendication 2, caractérisé en ce que les bielles (15) se trouvent, de préférence de manière extractible, dans des évidements (17) des pièces de support (8, 9).
  4. Dispositif de pressage selon la revendication 3, caractérisé en ce que les bielles (15) sont extractibles en direction axiale.
  5. Dispositif de pressage selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les bielles (15) portent des surépaisseurs (16) à leurs extrémités et sont assemblées en complémentarité de forme avec les pièces de support correspondantes (8, 9).
  6. Dispositif de pressage selon l'une quelconque des revendications 2 à 5, caractérisé en ce qu'au moins une pièce de support du rouleau de pressage (4), de préférence la pièce de support (8) du côté de l'opérateur, n'est pas saillante au-delà de l'enveloppe de rouleau (6) du rouleau de pressage (4).
  7. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que les bielles (15) s'étendent environ selon la tangente (14) reliant les boîtiers de palier du rouleau de pressage (4) et du rouleau d'appui (5).
  8. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau d'appui (5) comporte un palier libre, en particulier sous la forme d'un palier Carb, disposé de préférence sur le côté de l'opérateur.
  9. Dispositif de pressage selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau de pressage (4) comporte une enveloppe de rouleau flexible (6) et l'élément de pressage (7) présente une surface de pressage concave pour former une fente de pressage prolongée.
EP06114391A 2005-08-03 2006-05-23 Dispositif de pressage Not-in-force EP1749925B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06114391T PL1749925T3 (pl) 2005-08-03 2006-05-23 Układ dociskowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005036452A DE102005036452A1 (de) 2005-08-03 2005-08-03 Pressanordnung

Publications (2)

Publication Number Publication Date
EP1749925A1 EP1749925A1 (fr) 2007-02-07
EP1749925B1 true EP1749925B1 (fr) 2009-09-09

Family

ID=37309648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114391A Not-in-force EP1749925B1 (fr) 2005-08-03 2006-05-23 Dispositif de pressage

Country Status (5)

Country Link
EP (1) EP1749925B1 (fr)
AT (1) ATE442478T1 (fr)
DE (2) DE102005036452A1 (fr)
ES (1) ES2330553T3 (fr)
PL (1) PL1749925T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008002040A1 (de) 2008-05-28 2009-12-03 Voith Patent Gmbh Pressanordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713285A1 (de) * 1997-03-29 1998-10-01 Voith Sulzer Papiermasch Gmbh Preßvorrichtung für eine Papiermaschine
DE19833423A1 (de) * 1998-07-24 2000-01-27 Voith Sulzer Papiertech Patent Walzenpresse

Also Published As

Publication number Publication date
ATE442478T1 (de) 2009-09-15
ES2330553T3 (es) 2009-12-11
DE102005036452A1 (de) 2007-02-08
DE502006004779D1 (de) 2009-10-22
EP1749925A1 (fr) 2007-02-07
PL1749925T3 (pl) 2010-01-29

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