EP1291462A1 - Klemmverbindung in einer Langspalt-Presswalze - Google Patents
Klemmverbindung in einer Langspalt-Presswalze Download PDFInfo
- Publication number
- EP1291462A1 EP1291462A1 EP02019752A EP02019752A EP1291462A1 EP 1291462 A1 EP1291462 A1 EP 1291462A1 EP 02019752 A EP02019752 A EP 02019752A EP 02019752 A EP02019752 A EP 02019752A EP 1291462 A1 EP1291462 A1 EP 1291462A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- clamping
- nip
- long
- press
- 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.)
- Granted
Links
Images
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 roller 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 known.
- a clamping ring is provided, which on a section cylindrical part of the end wall is axially displaceable.
- the bulkhead is also assigned an outer ring, so that in the peripheral region of the end wall to the opposite other end wall open ring groove is formed, the radially inward through the axially extending inside the roll cylindrical part of the end wall and radially outwards through a Inner peripheral surface of the outer ring is limited.
- the clamping ring includes one Wedge section with a conical outer peripheral surface with which this in the Ring groove engages.
- An elastic expansion ring is also inserted in the ring groove, whose inner peripheral surface is one with the conical outer peripheral surface of the Clamping ring cooperating conical counter surface.
- the outer peripheral surface of the expansion ring is cylindrical and with Grooves to increase grip.
- rubber-elastic sealing material may be used.
- the object of the invention is therefore to provide an extended-nip roller press Preamble of claim 1 to create, in which the attachment of the respective End portion of the roll shell ensures a reliable seal.
- This task is characterized by the characteristics of the characteristic part of the Claim 1 solved.
- Fig. 1 shows the upper half of the right part of an extended-nip press roll 1, the with a rotating counter roll, not shown, a press nip Dewatering a web of material in an extended-nip roller press.
- the extended-nip press roll 1 comprises a fixed support, not shown and a roll shell 2 rotatable about the carrier, which consists of a flexible Material, e.g. There is rubber or plastic.
- the roll shell 2 is tubular and in between the two roller ends located, with the counter roll forming the nip area at least one support element, not shown, the so-called press shoe, supported. Between the inside of the roll shell and the press shoe is on A lubricating film is generated hydrodynamically or hydrostatically.
- 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 Spreading ring 5 forms one with a conical outer peripheral surface 8 Clamping ring 9 cooperating conical counter surfaces.
- the clamping ring 9 is on an at least partially cylindrical part 10 of the end wall 3 axially slidably mounted.
- This sectionally cylindrical part 10 extends starting from a flange 11 of the end wall 3 axially into the inside of the roll.
- the end wall 3 has an annular groove 12 into which the clamping ring 9 and the expansion ring 5 are used.
- an actuating device 13 provided, which is designed here as a bolt or screw and with a Shank section from the roller end through an axial through hole 14 in Flange 11 extends.
- the through hole 14 has a stop for this the bolt or screw head.
- a threaded section 15 engages Actuating device 13 into an axial threaded bore 16 in the clamping ring 9.
- the expansion ring 5, which together with the clamping ring 9 into the annular groove 12 is used, has a radially extending end face 18 with which the Spreading ring 5 slidably on a head side 17 of the flange 11 supported.
- the end wall 3 is also assigned an outer ring 19 which is secured by means of screws 30 is releasably connectable to the end wall 3.
- the clamping ring 9 has an axially tapering wedge section on, which forms the conical outer peripheral surface 8, which with the conical Inner circumferential surface 7 of the expansion ring cooperates.
- FIG. 1 forms the outer peripheral surface the flange 11 with a clamping piece 22 an annular groove 23 for receiving a Sealing ring 24, which is preferably made of a solid elastomer, for. B. Rubber.
- the sealing ring 24 preferably has in the unloaded state a round cross section.
- the clamping piece 22 is axially movable on the flange 11 led, what this at least on the side facing away from the inside of the roller Sectionally cylindrical portion 25 on which a cylindrical Counter surface 26 of the clamping piece 22 is axially movable to the annular groove 24 in to be able to reduce their axial dimension.
- the sealing ring 24 pressed together, whereby this is elastically deformed and radial extended, as shown in Fig. 3.
- the sealing ring 24 is by the Clamping piece 22 clamped in such a way that the end section 4 of the Roll jacket 2 sealing on the inner circumferential surface 20 of the outer ring 19 clamps.
- the clamping piece 22 is by means of a second actuator 21, the works separately from the first actuator 13 against one End of the flange 11 facing the roller end can be moved.
- the second Actuating device 21 here corresponds to the first actuating device 13 designed as a bolt or screw, which with its threaded shaft 27 in a axial threaded bore 28 engages in the flange 11.
- the clamping piece 22 has one Through hole 29 with a stop for receiving the second Actuator 21 on.
- Fig. 3 shows the parallel clamp and seal.
- the roll shell 2 can be in the edge side Retaining pins 31 can be used. Furthermore, a protective cover 32 can be provided on the edge be attached.
- the sealing ring on the the side of the flange facing the inside of the roller, while the clamping ring with expansion ring then on the side facing the roller end the flange is arranged as shown in Fig. 4 ..
Landscapes
- Paper (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Treatment Of Fiber Materials (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims (9)
- Langspalt-Walzenpresse zum Entwässern einer Materialbahn in einem Preßspalt, der einerseits von einer rotierenden Gegenwalze und andererseits von einer Langspalt-Preßwalze gebildet ist, und die Langspalt-Preßwalze einen feststehenden Träger und einen um den Träger drehbaren, flexiblen Walzenmantel aufweist, der im Bereich des Preßspaltes auf einem am Träger angeordneten Preßschuh abgestützt ist, der Walzenmantel Endabschnitte aufweist, die an am Träger drehbar gelagerten Stirnwänden dichtend festgeklemmt sind mittels jeweils eines an einer Stirnwand axial verschiebbar geführten und auf eine erste Betätigungseinrichtung ansprechenden Klemmrings, der einen elastischen Spreizring mit einer zylindrischen Außenfläche radial gegen einen fest mit den Stirnwänden verbindbaren Außenring unter Einklemmen eines Endabschnitts des Walzenmantels klemmt, dadurch gekennzeichnet, daß jeweils benachbart der Klemmringe (9) ein Dichtring (24) an jeder Stirnwand (3) angeordnet ist, der mittels einer getrennt von der Betätigung des Klemmringes (9) wirkenden zweiten Betätigungseinrichtung (21) gegen den Außenring (19) radial verformbar ist unter Andrücken eines axialen Teilstücks des jeweiligen Endabschnitts (4) des Walzenmantels (2) an den Außenring (19).
- Langspalt-Walzenpresse nach Anspruch 1, dadurch gekennzeichnet, daß der Klemmring (9) eine konische Außenumfangsfläche (8) aufweist, die verfahrbar ist gegen eine, eine konische Gegenfläche bildende Innenumfangsfläche (7) eines Spreizringes (5).
- Langspalt-Walzenpresse nach Anspruch 2, dadurch gekennzeichnet, daß der Klemmring (9) eine zylindrische Innenumfangsfläche und der Spreizring (5) eine zylindrische Außenumfangsfläche aufweist.
- Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Dichtring (24) mittels eines von der zweiten Betätigungseinrichtung (21) verfahrbaren Klemmstücks (22) radial verformbar ist.
- Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die erste und zweite Betätigungseinrichtung (13, 21) jeweils als getrennt angeordnete Schrauben ausgebildet sind, die jeweils durch eine Durchgangsbohrung steckbar sind und in eine Gewindebohrung (16, 28) eingreifen, wobei eine dieser Bohrungen jeweils in dem Klemmring (9) und dem Klemmstück (22) und die zugeordnete Bohrung in der Stirnwand (3) angeordnet ist.
- Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Dichtring (24) aus einem vollstückigen Elastomer besteht.
- Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Dichtring (24) im unbelasteten Zustand einen runden Querschnitt besitzt.
- Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Dichtring (24) jeweils zum Walzeninneren hin benachbart dem Klemmring (9) angeordnet ist.
- Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Dichtring (24) jeweils zum Walzenende hin benachbart dem Klemmring (9) angeordnet ist.
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 true EP1291462A1 (de) | 2003-03-12 |
EP1291462B1 EP1291462B1 (de) | 2006-06-28 |
Family
ID=7961483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02019752A Expired - Lifetime EP1291462B1 (de) | 2001-09-07 | 2002-09-04 | Klemmverbindung in einer Langspalt-Presswalze |
Country Status (7)
Country | Link |
---|---|
US (1) | US6782811B2 (de) |
EP (1) | EP1291462B1 (de) |
JP (1) | JP2003166187A (de) |
AT (1) | ATE331837T1 (de) |
CA (1) | CA2401801A1 (de) |
DE (3) | DE20114857U1 (de) |
ES (1) | ES2267910T3 (de) |
Families Citing this family (4)
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0442257A1 (de) * | 1990-01-16 | 1991-08-21 | Valmet Paper Machinery Inc. | Presswalze |
EP0619399A1 (de) * | 1993-03-24 | 1994-10-12 | Valmet Corporation | Verfahren und Vorrichtung zur öffnung des Pressspaltes in einer Langspaltpresse |
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 |
EP1043446A2 (de) * | 1996-10-18 | 2000-10-11 | Valmet-Karlstad AB | Presswalze |
WO2002064885A1 (en) * | 2001-02-13 | 2002-08-22 | Pmt Italia Paper Machinery Technology Spa | An anchor device for anchoring a peripheral edge of a press blanket |
Family Cites Families (6)
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 |
DE19522761C2 (de) * | 1995-06-27 | 2000-11-16 | Voith Sulzer Papiermasch Gmbh | Schuh-Preßeinrichtung |
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 |
-
2001
- 2001-09-07 DE DE20114857U patent/DE20114857U1/de not_active Expired - Lifetime
- 2001-10-31 DE DE10153674A patent/DE10153674A1/de not_active Ceased
-
2002
- 2002-09-04 ES ES02019752T patent/ES2267910T3/es not_active Expired - Lifetime
- 2002-09-04 AT AT02019752T patent/ATE331837T1/de not_active IP Right Cessation
- 2002-09-04 EP EP02019752A patent/EP1291462B1/de not_active Expired - Lifetime
- 2002-09-04 US US10/236,056 patent/US6782811B2/en not_active Expired - Fee Related
- 2002-09-04 DE DE50207368T patent/DE50207368D1/de not_active Expired - Lifetime
- 2002-09-06 CA CA002401801A patent/CA2401801A1/en not_active Abandoned
- 2002-09-06 JP JP2002261276A patent/JP2003166187A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0442257A1 (de) * | 1990-01-16 | 1991-08-21 | Valmet Paper Machinery Inc. | Presswalze |
EP0619399A1 (de) * | 1993-03-24 | 1994-10-12 | Valmet Corporation | Verfahren und Vorrichtung zur öffnung des Pressspaltes in einer Langspaltpresse |
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 |
EP1043446A2 (de) * | 1996-10-18 | 2000-10-11 | Valmet-Karlstad AB | Presswalze |
WO2002064885A1 (en) * | 2001-02-13 | 2002-08-22 | Pmt Italia Paper Machinery Technology Spa | An anchor device for anchoring a peripheral edge of a press blanket |
Also Published As
Publication number | Publication date |
---|---|
US6782811B2 (en) | 2004-08-31 |
DE50207368D1 (de) | 2006-08-10 |
DE20114857U1 (de) | 2003-01-16 |
DE10153674A1 (de) | 2003-04-03 |
US20030061946A1 (en) | 2003-04-03 |
ATE331837T1 (de) | 2006-07-15 |
JP2003166187A (ja) | 2003-06-13 |
EP1291462B1 (de) | 2006-06-28 |
CA2401801A1 (en) | 2003-03-07 |
ES2267910T3 (es) | 2007-03-16 |
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