EP1291462B1 - Raccord par serrage dans un rouleau presseur à pince élargie - Google Patents

Raccord par serrage dans un rouleau presseur à pince élargie Download PDF

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Publication number
EP1291462B1
EP1291462B1 EP02019752A EP02019752A EP1291462B1 EP 1291462 B1 EP1291462 B1 EP 1291462B1 EP 02019752 A EP02019752 A EP 02019752A EP 02019752 A EP02019752 A EP 02019752A EP 1291462 B1 EP1291462 B1 EP 1291462B1
Authority
EP
European Patent Office
Prior art keywords
ring
extended
roll
clamping
nip
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.)
Expired - Lifetime
Application number
EP02019752A
Other languages
German (de)
English (en)
Other versions
EP1291462A1 (fr
Inventor
Bernhard Dr. Brendel
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.)
Andritz Kuesters GmbH
Original Assignee
Eduard Kuesters Maschinenfabrik GmbH and Co KG
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 Eduard Kuesters Maschinenfabrik GmbH and Co KG filed Critical Eduard Kuesters Maschinenfabrik GmbH and Co KG
Publication of EP1291462A1 publication Critical patent/EP1291462A1/fr
Application granted granted Critical
Publication of EP1291462B1 publication Critical patent/EP1291462B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D21F3/0227—Belts or sleeves therefor
    • D21F3/0245—Means for fixing the sleeve to the roller end

Definitions

  • the invention relates to an extended nip roll press for dewatering a fibrous web according to the preamble of claim 1.
  • Such an extended-nip roller press is known for example from DE 297 02 362 U1.
  • a clamping ring is provided for clamping the respective end portion of the roll shell, which is mounted axially displaceably on a partially cylindrical part of the end wall.
  • the end wall is further associated with an outer ring, so that in the peripheral region of the end wall to the opposite other end wall open annular groove is formed, which limits radially inwardly by the axially inside the roller extending cylindrical part of the end wall and radially outwardly by an inner peripheral surface of the outer ring becomes.
  • the clamping ring comprises a wedge portion with a conical outer peripheral surface, with which engages the annular groove.
  • an elastic expansion ring is additionally used, the inner peripheral surface of which forms a conical mating surface cooperating with the conical outer circumferential surface of the clamping ring.
  • the outer peripheral surface of the expansion ring is cylindrical and provided with grooves to increase the adhesion.
  • rubber-elastic sealing material may be used.
  • the object of the invention is therefore to provide a long-nip roller press according to the preamble of claim 1, wherein the attachment of the respective end portion of the roll shell ensures a reliable seal.
  • a spreader 5 For clamping the respective end portion 4 of the roll shell 2, a spreader 5 is provided.
  • This expansion ring 5 has a cylindrical outer peripheral surface 6 and an at least partially conical inner peripheral surface 7.
  • This conical inner peripheral surface 7 of the expansion ring 5 forms with a conical outer peripheral surface 8 of a clamping ring 9 cooperating conical mating surfaces.
  • the clamping ring 9 is mounted axially displaceably on an at least partially cylindrical part 10 of the end wall 3.
  • This sectionally cylindrical part 10 extends from a flange 11 of the end wall 3 axially into the interior of the roller.
  • the flange 11 defines together with the cylindrical part 10 of the end wall 3, an annular groove 12, in which the clamping ring 9 and the spreader 5 are used.
  • an actuating device 13 is provided, which is designed here as a bolt or screw and extends with a shank portion from the roll end through an axial through hole 14 in the flange 11.
  • the through hole 14 has for this purpose a stop for the bolt or screw head.
  • With a threaded portion 15 engages the actuator 13 in an axial threaded bore 16 in the clamping ring 9 a.
  • the clamping ring 9 has an axially outwardly tapering wedge portion which forms the conical outer peripheral surface 8, which cooperates with the conical inner peripheral surface 7 of the expansion ring. Accordingly, if the clamping ring 9 is pulled by means of the actuating device 13 against the flange 11, the expanding ring 5 widens in the radial direction, guided by the surfaces 8 and 18, and moves into a clamping position, as shown in Fig. 2. In the clamping position shown in Fig. 2, the end portion 4 of the roll shell 2 is clamped in a nip formed by the cylindrical outer peripheral surface 6 of the expansion ring 5 and the cylindrical inner peripheral surface 20 of the outer ring 19.
  • the outer peripheral surface of the flange 11 forms with a clamping piece 22 an annular groove 23 for receiving a sealing ring 24, which preferably consists of a solid elastomer, for. As rubber exists.
  • the sealing ring 24 preferably has a round cross-section in the unloaded state.
  • the clamping piece 22 is axially movably guided on the flange 11, for which this on the side facing away from the roll interior at least partially cylindrical portion 25 on which a cylindrical mating surface 26 of the clamping piece 22 is axially movable to reduce the annular groove 24 in its axial dimension can.
  • the sealing ring 24 is compressed, whereby it is elastically deformed and radially extended, as shown in Fig. 3.
  • the sealing ring 24 is clamped by the clamping piece 22 such that it clamps the end portion 4 of the roll shell 2 sealingly on the inner peripheral surface 20 of the outer ring 19.
  • Fig. 3 shows the parallel formed clamping and seal.
  • a protective cover 32 can be attached to the edge.

Landscapes

  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Gasket Seals (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (8)

  1. Presse à rouleaux à fente longitudinale pour assécher une bande de matériau dans une fente de pressage, qui est formée d'une part par un contre-rouleau rotatif et d'autre part par un rouleau presseur à fente longitudinale (1), et dans laquelle le rouleau presseur à fente longitudinale (1), comporte un support fixe et un revêtement de rouleau (2) flexible pouvant tourner autour du support, qui est soutenu dans la zone de la fente de pressage par un sabot de pressage disposé sur le support, dans laquelle le revêtement de rouleau comporte des sections d'extrémité (4), qui sont fixées de manière étanche à des parois frontales (3) disposées de manière rotative sur le support au moyen respectivement d'une bague de serrage (9) correspondant à un premier dispositif d'actionnement et guidée de manière à pouvoir se déplacer axialement sur une paroi frontale (3), laquelle serre un anneau d'écartement (5) avec une surface extérieure cylindrique (6) radialement contre une bague extérieure (19) pouvant être reliée fermement aux parois frontales (3) en fixant une section d'extrémité (4) du revêtement de rouleau (2), caractérisée en ce qu'un joint d'étanchéité (24) est disposé respectivement à proximité des bagues de serrage (9) sur chaque paroi frontale (3), lequel peut être déformé radialement contre la bague extérieure (19) au moyen d'une pièce de fixation (22) mobile grâce au second dispositif d'actionnement (21) indépendant de l'activation de la bague de serrage (9), par pression d'une pièce partielle axiale de la section d'extrémité (4) respective du revêtement de rouleau (2) sur la bague extérieure (19).
  2. Presse à rouleaux à fente longitudinale selon la revendication 1, caractérisée en ce que la bague de serrage (9) comporte une surface périphérique extérieure conique (8), qui est mobile contre une surface périphérique intérieure (7) formant une contre-surface d'appui conique d'un anneau d'écartement (5).
  3. Presse à rouleaux à fente longitudinale selon la revendication 2, caractérisée en ce que la bague de serrage (9) comporte une surface périphérique intérieure cylindrique et en ce que l'anneau d'écartement (5) comporte une surface périphérique extérieure cylindrique.
  4. Presse à rouleaux à fente longitudinale selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les premier et second dispositifs d'actionnement (13, 21) sont respectivement conçus comme des vis disposées séparément, qui peuvent respectivement être introduites par un alésage de passage et pénètrent dans un alésage fileté (16, 28), l'un de ces alésages étant disposé respectivement dans la bague de serrage (9) et la pièce de fixation (22), et l'alésage associé se trouve dans la paroi frontale (3).
  5. Presse à rouleaux avec fente longitudinale selon l'une des revendications 1 à 4, caractérisée en ce que la bague d'étanchéité (24) est composée d'un élastomère en une seule pièce.
  6. Presse à rouleaux avec fente longitudinale selon l'une des revendications 1 à 5, caractérisée en ce que la bague d'étanchéité (24) présente une section transversale ronde à l'état non chargé.
  7. Presse à rouleaux avec fente longitudinale selon l'une des revendications 1 à 6, caractérisée en ce que la bague d'étanchéité (24) est disposée respectivement vers l'intérieur de la fente à proximité de la bague de serrage (9).
  8. Presse à rouleaux avec fente longitudinale selon l'une des revendications 1 à 6, caractérisée en ce que la bague d'étanchéité (24) est disposée respectivement vers l'extrémité de la fente à proximité de la bague de serrage (9).
EP02019752A 2001-09-07 2002-09-04 Raccord par serrage dans un rouleau presseur à pince élargie Expired - Lifetime EP1291462B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20114857U DE20114857U1 (de) 2001-09-07 2001-09-07 Langspalt-Walzenpresse zum Entwässern einer Faserstoffbahn
DE20114857U 2001-09-07

Publications (2)

Publication Number Publication Date
EP1291462A1 EP1291462A1 (fr) 2003-03-12
EP1291462B1 true EP1291462B1 (fr) 2006-06-28

Family

ID=7961483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02019752A Expired - Lifetime EP1291462B1 (fr) 2001-09-07 2002-09-04 Raccord par serrage dans un rouleau presseur à pince élargie

Country Status (7)

Country Link
US (1) US6782811B2 (fr)
EP (1) EP1291462B1 (fr)
JP (1) JP2003166187A (fr)
AT (1) ATE331837T1 (fr)
CA (1) CA2401801A1 (fr)
DE (3) DE20114857U1 (fr)
ES (1) ES2267910T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319668A1 (de) * 2003-05-02 2004-11-18 Voith Paper Patent Gmbh Presswalze
FR2878186B1 (fr) * 2004-11-24 2007-02-23 Allimand Sa Cylindre presseur a manchon souple pour presse a sabot
DE102005013024B3 (de) * 2005-03-22 2006-07-20 Eduard Küsters Maschinenfabrik GmbH & Co. KG Vorrichtung zum Bilden eines Langspalts
CN111607926A (zh) * 2020-06-03 2020-09-01 嘉善龙翔人造毛绒有限公司 一种气流染色机的出料脱水装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI71979B (fi) * 1981-06-24 1986-11-28 Escher Wyss Ag Pressvals
DE3805350A1 (de) * 1988-02-20 1989-08-31 Voith Gmbh J M Presswalze zum behandeln bahnfoermigen gutes
US5098523A (en) * 1990-01-16 1992-03-24 Valmet Paper Machinery, Inc. Press roll with wedge clamp for the press jacket edges
FI96046C (fi) * 1993-03-24 1996-04-25 Valmet Paper Machinery Inc Pitkänippipuristimen nipin avausmenetelmä ja laitteisto pitkänippipuristimen nipin avaamiseksi
DE19522761C2 (de) * 1995-06-27 2000-11-16 Voith Sulzer Papiermasch Gmbh Schuh-Preßeinrichtung
DE29702362U1 (de) * 1996-04-29 1997-05-15 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Preßwalze
US5700357A (en) * 1996-10-16 1997-12-23 Beloit Technologies, Inc. Mechanical blanket clamp in rotating head assembly
SE507515C3 (sv) * 1996-10-18 1998-07-13 Valmet Karlstad Ab Pressvals
US6010443A (en) * 1996-10-22 2000-01-04 Valmet-Karlstad Ab Clamping ring for an enclosed shoe press
SE508591C2 (sv) * 1996-10-22 1998-10-19 Valmet Karlstad Ab Elastisk klämring för en skopressvals samt skopressvals försedd med en elastisk klämring
DE19645407A1 (de) * 1996-11-04 1998-05-07 Voith Sulzer Papiermasch Gmbh Schuhpresse
CZ301373B6 (cs) * 2001-02-13 2010-02-03 Pmt Italia Paper Machinery Technology Spa Uchycovací zarízení pro uchycení obvodové hrany lisovacího potahu tiskarského válce

Also Published As

Publication number Publication date
CA2401801A1 (fr) 2003-03-07
ATE331837T1 (de) 2006-07-15
EP1291462A1 (fr) 2003-03-12
JP2003166187A (ja) 2003-06-13
DE20114857U1 (de) 2003-01-16
DE50207368D1 (de) 2006-08-10
ES2267910T3 (es) 2007-03-16
US20030061946A1 (en) 2003-04-03
DE10153674A1 (de) 2003-04-03
US6782811B2 (en) 2004-08-31

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