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EP1555343A1 - Device for changing the fabric of a papermaking machine - Google Patents

Device for changing the fabric of a papermaking machine Download PDF

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Publication number
EP1555343A1
EP1555343A1 EP05000106A EP05000106A EP1555343A1 EP 1555343 A1 EP1555343 A1 EP 1555343A1 EP 05000106 A EP05000106 A EP 05000106A EP 05000106 A EP05000106 A EP 05000106A EP 1555343 A1 EP1555343 A1 EP 1555343A1
Authority
EP
European Patent Office
Prior art keywords
roller
clothing
levers
fabric
machine
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
Application number
EP05000106A
Other languages
German (de)
French (fr)
Other versions
EP1555343B2 (en
EP1555343B1 (en
Inventor
Wilhelm Dipl.-Ing. Mausser
Gerald Ing. Schadler
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 AG
Original Assignee
Andritz AG
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
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Application filed by Andritz AG filed Critical Andritz AG
Publication of EP1555343A1 publication Critical patent/EP1555343A1/en
Application granted granted Critical
Publication of EP1555343B1 publication Critical patent/EP1555343B1/en
Publication of EP1555343B2 publication Critical patent/EP1555343B2/en
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
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/001—Wire-changing arrangements

Definitions

  • the invention relates to a device for changing a fabric of a paper machine, in particular tissue machine, for example TAD (through air drying) machine, with a number of guide rollers and at least one belt cleaning device.
  • Current devices have the disadvantage that the change of clothing takes a long time, is labor-intensive and additionally requires auxiliary equipment such as machine cranes, which are therefore not available for other maintenance work, such as roll changes, headbox overhauls, etc., which are to be carried out during the change of clothing. Under tension here sieves, felts or similar covering elements are to be understood.
  • the aim of the invention is therefore to simplify the change of clothing in such a way that the duration is reduced, the number of persons required is reduced and no auxiliary equipment not integrated into the machine construction is used.
  • the invention is therefore characterized in that levers arranged on both sides of the clothing are provided, which receive at least one deflecting roller and can be pivoted from an operating position into a clothing changing position.
  • external hoists such as machine cranes are no longer needed and can be used for other purposes.
  • the invention when the guide roller is a tension roller, wherein the tension roller can be connected in the end position after the relaxation of the machine clothing on the bearing housing with the levers arranged on both sides of the clothing.
  • the tension roller By the tension roller, the clothing can be completely relaxed and then the tension roller can be brought by means of the lever in a Beêts CADposition in which the fabric can be introduced almost horizontally.
  • a favorable development of the invention is characterized in that at least two levers arranged on both sides of the cover are connected to each other by a splash guard, wherein the splash guard and possibly disposed therein cleaning spray tubes are pivotable together with the guide roller by the both sides of the covering arranged lever in the clothing change position.
  • a favorable embodiment of the invention is characterized in that the levers are connected to lifting elements, wherein the lifting elements can be hydraulic lifting elements, eg hydraulic cylinders or electromechanical lifting elements, ie electrically driven lifting spindles.
  • Fig. Represents a variant of the invention.
  • the invention is used in the area of the clothing cleaning device 1 of a paper machine, which essentially consists of a cantileverable supporting structure 2, a tensioning tensioning roller 3, a deflecting roller 4, and two further tensioning guide rollers 5, 6 and various cleaning devices, ds spray tubes, suction boxes and cleaning scrapers.
  • the tension roller 3 When drawing a new fabric 7, which is endless, the tension roller 3 is moved to the shortest clamping position 8. In this position, two levers 9 are moved by means of hydraulic cylinders or Hubspindelianon 10 against the roller bearing of the roller 3 and screwed to this on leader and drive side of the paper machine.

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  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

On each side of the covering (7), levers (9, 20) swing up rollers (3, 4) which change the web direction. These swing between an operational position and a position for changing the covering. The change position permits the covering to be introduced nearly horizontally into the paper machine. The roller (3) is a tensioning roller. Following relaxation of tension, with the roller in its end position, it is connected by its bearing casings with levers (9) on each side of the covering. Levers (20) on each side of the covering are connected by a spray protection casing (27). This, together with cleaning spray pipes (28, 29) and roller (4), can be swung into the change-over position by levers (20) on each side of the covering. The levers are connected to lifting units (10, 22), e.g. hydraulic cylinders or electric jacks.

Description

Die Erfindung betrifft eine Vorrichtung zum Wechseln einer Bespannung einer Papiermaschine, insbesondere Tissuemaschine, beispielsweise TAD (Through air drying) Maschine, mit einer Anzahl von Umlenkwalzen und mindestens einer Bandreinigungseinrichtung.
Derzeitige Einrichtungen haben den Nachteil, dass der Bespannungswechsel lange dauert, personalintensiv ist und zusätzlich Hilfsmittel wie Maschinenhauskräne benötigt, die dadurch für andere Wartungsarbeiten, wie z.B. Walzenwechsel, Stoffauflaufrevisionen etc., die während des Bespannungswechsels durchgeführt werden sollen, nicht zur Verfügung stehen. Unter Bespannung sind hier Siebe, Filze oder ähnliche Bespannungselemente zu verstehen.
Ziel der Erfindung ist es daher, den Bespannungswechsel derart zu vereinfachen, dass die Zeitdauer reduziert, die Anzahl der benötigten Personen verringert und keine nicht in die Maschinenkonstruktion integrierte Hilfseinrichtungen verwendet werden.
Die Erfindung ist daher dadurch gekennzeichnet, dass beidseitig der Bespannung angeordnete Hebel vorgesehen sind, die mindestens eine Umlenkwalze aufnehmen und von einer Betriebsposition in eine Bespannungswechselposition schwenkbar sind. Dadurch werden externe Hebezeuge wie z.B. Maschinenkräne nicht mehr benötigt und können für andere Zwecke eingesetzt werden. Weiters entfällt der komplizierte Ausbau der Umlenkwalze(n) und die Notwendigkeit diese außerhalb der Maschine abzulegen. Dies reduziert die Zeitdauer des Bespannungswechsels erheblich. Auch wird dadurch die Sicherheit für das Bedienpersonal (keine aus der Maschine herausschwingenden Walzen) wesentlich erhöht.
Ist die Bespannungswechselposition der Umlenkwalze(n) derart, dass die Bespannung nahezu horizontal in die Papiermaschine eingebracht werden kann, so wird weniger Personal benötigt, da die Bespannung nicht mehr vorgebogen werden muss. Dies ist besonders bei steifen TAD-Sieben vorteilhaft.
Vorteilhaft angewandt wird die Erfindung, wenn die Umlenkwalze eine Spannwalze ist, wobei die Spannwalze in der Endlage nach der Entspannung der Maschinenbespannung über die Lagergehäuse mit den beidseitig der Bespannung angeordneten Hebeln verbindbar sein kann. Durch die Spannwalze kann die Bespannung vollständig entspannt werden und anschließend kann die Spannwalze mittels der Hebel in eine Bespannungswechselposition gebracht werden, bei der die Bespannung nahezu horizontal eingebracht werden kann.
Eine günstige Weiterbildung der Erfindung ist dadurch gekennzeichnet, dass mindestens zwei beidseitig der Bespannung angeordnete Hebel durch eine Spritzschutzwanne miteinander verbunden sind, wobei die Spritzschutzwanne und allenfalls darin angeordnete Reinigungsspritzrohre gemeinsam mit der Umlenkwalze durch die beidseitig der Bespannung angeordneten Hebel in die Bespannungswechselposition schwenkbar sind. Dadurch können die Maschinenteile wie Spritzschutzwanne und Reinigungsspritzrohre gleichzeitig mitabgesenkt werden und müssen dazu nicht extra ausgebaut werden.
Eine günstige Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die Hebel mit Hubelementen verbunden sind, wobei die Hubelemente hydraulische Hubelemente, z.B. Hydraulikzylinder oder elektromechanische Hubelemente, d.h. elektrisch angetriebene Hubspindeln sein können.The invention relates to a device for changing a fabric of a paper machine, in particular tissue machine, for example TAD (through air drying) machine, with a number of guide rollers and at least one belt cleaning device.
Current devices have the disadvantage that the change of clothing takes a long time, is labor-intensive and additionally requires auxiliary equipment such as machine cranes, which are therefore not available for other maintenance work, such as roll changes, headbox overhauls, etc., which are to be carried out during the change of clothing. Under tension here sieves, felts or similar covering elements are to be understood.
The aim of the invention is therefore to simplify the change of clothing in such a way that the duration is reduced, the number of persons required is reduced and no auxiliary equipment not integrated into the machine construction is used.
The invention is therefore characterized in that levers arranged on both sides of the clothing are provided, which receive at least one deflecting roller and can be pivoted from an operating position into a clothing changing position. As a result, external hoists such as machine cranes are no longer needed and can be used for other purposes. Furthermore, eliminates the complicated removal of the guide roller (s) and the need to store them outside the machine. This significantly reduces the time span of the string change. This also significantly increases the safety of the operating personnel (no rollers swinging out of the machine).
Is the Bespannungswechselposition the guide roller (s) such that the fabric can be introduced almost horizontally in the paper machine, so less staff is required because the fabric no longer needs to be pre-bent. This is particularly advantageous for rigid TAD screens.
Advantageously, the invention, when the guide roller is a tension roller, wherein the tension roller can be connected in the end position after the relaxation of the machine clothing on the bearing housing with the levers arranged on both sides of the clothing. By the tension roller, the clothing can be completely relaxed and then the tension roller can be brought by means of the lever in a Bespannungswechselposition in which the fabric can be introduced almost horizontally.
A favorable development of the invention is characterized in that at least two levers arranged on both sides of the cover are connected to each other by a splash guard, wherein the splash guard and possibly disposed therein cleaning spray tubes are pivotable together with the guide roller by the both sides of the covering arranged lever in the clothing change position. This allows the machine parts such as splash guard and cleaning spray pipes mitab gesenkt and must not be specially removed.
A favorable embodiment of the invention is characterized in that the levers are connected to lifting elements, wherein the lifting elements can be hydraulic lifting elements, eg hydraulic cylinders or electromechanical lifting elements, ie electrically driven lifting spindles.

Die Erfindung wird nun anhand der Zeichnungen beispielhaft beschrieben, wobei die Fig. eine Variante der Erfindung darstellt.
Die Erfindung kommt im Bereich der Bespannungsreinigungseinrichtung 1 einer Papiermaschine zum Einsatz, die im Wesentlichen aus einer cantileverbaren Tragkonstruktion 2, einer Bespannungsspannwalze 3, einer Umlenkwalze 4, sowie aus zwei weiteren Bespannungsleitwalzen 5, 6 und diversen Reinigungseinrichtungen, d. s. Spritzrohre, Saugkästen und Reinigungsschabern besteht.
Beim Einziehen einer neuen Bespannung 7, die endlos ausgeführt ist, wird die Spannwalze 3 in die kürzeste Spannposition 8 gefahren. In dieser Position werden auf Führer- und auf Triebseite der Papiermaschine zwei Hebel 9 mittels Hydraulikzylinder oder Hubspindelelementen 10 gegen das Walzenlager der Walze 3 bewegt und mit diesem verschraubt. Danach wird die Verbindung des Walzenlagers mit dem Führungsschlitten 11 der Spannung gelöst. Die Spannwalze 3 kann nun auf die Maschinenstuhlung 13 abgelegt werden.
Sodann werden die Hebel 20, die die Umlenkwalze 4 tragen, von der Tragkonstruktion 2 auf Führer- und Triebseite durch Öffnen der Verbindungen 21 (z.B. Schraubverbindungen) gelöst. Nach dem Trennen der Anschlüsse aller Spritzrohre und Absaugeinrichtungen auf der Triebseite werden nun die Hebel 20 zusammen mit der Walze 4 und allen darauf befestigten Spritzrohren sowie Wasserauffangrinnen 27 mit Hilfe von Hubelementen 22 in Richtung des Pfeiles 23 auf die Maschinenstuhlung 13 abgesenkt.The invention will now be described by way of example with reference to the drawings, wherein the Fig. Represents a variant of the invention.
The invention is used in the area of the clothing cleaning device 1 of a paper machine, which essentially consists of a cantileverable supporting structure 2, a tensioning tensioning roller 3, a deflecting roller 4, and two further tensioning guide rollers 5, 6 and various cleaning devices, ds spray tubes, suction boxes and cleaning scrapers.
When drawing a new fabric 7, which is endless, the tension roller 3 is moved to the shortest clamping position 8. In this position, two levers 9 are moved by means of hydraulic cylinders or Hubspindelelementen 10 against the roller bearing of the roller 3 and screwed to this on leader and drive side of the paper machine. Thereafter, the connection of the roller bearing with the guide carriage 11 of the tension is released. The tension roller 3 can now be placed on the machine frame 13.
Then, the lever 20, which carry the guide roller 4, from the support structure 2 on the driver and drive side by opening the connections 21 (eg screw) solved. After disconnecting the connections of all spray pipes and suction on the drive side, the lever 20 are now lowered together with the roller 4 and all attached spray pipes and water collecting grooves 27 by means of lifting elements 22 in the direction of arrow 23 on the machine frame 13.

Nach Ablegen der beiden Walzen 3 bzw. 4 auf die Maschinenstuhlung 13 werden die Zwischenstücke 24 bzw. 25 der Stuhlung mittels einer Cantilevereinrichtung aus der Tragkonstruktion 2 entfernt. Die neue Bespannung 26 kann nun durch die dadurch entstandenen Öffnungen auf der Führerseite der Maschine leicht und ohne Gegenbiegen in nahezu horizontaler Lage eingebracht werden. Durch die erfindungsgemäße Art der Walzenpositionierung entsteht auch eine wesentlich größere Überlänge des Bespannungselementes, was eine erleichterte Einbringung desselben in den übrigen Bereich der Maschine ermöglicht. Auch hierdurch wird eine Reduktion der Zeitdauer des Bespannungswechsels der Endlosbespannung bewirkt.After placing the two rollers 3 and 4 on the machine frame 13th be the spacers 24 and 25 of the chairing means of a Cantilevereinrichtung removed from the support structure 2. The new clothing 26 can now through the resulting openings on the leader of the Machine easily and without counterbending introduced in almost horizontal position become. By the inventive type of roll positioning also results in a much larger excess length of the stringing element, what a facilitated introduction of the same in the rest Area of the machine allows. This will also reduce the Time duration of the change of clothing of the endless covering causes.

Claims (9)

Vorrichtung zum Wechseln einer Bespannung einer Papiermaschine, insbesondere Tissuemaschine, beispielsweise TAD (Through air drying) Maschine, mit einer Anzahl von Umlenkwalzen und mindestens einer Bandreinigungseinrichtung, dadurch gekennzeichnet, dass beidseitig der Bespannung (7) angeordnete Hebel (9, 20) vorgesehen sind, die mindestens eine Umlenkwalze (3, 4) aufnehmen und von einer Betriebsposition in eine Bespannungswechselposition schwenkbar sind.Device for changing a fabric of a paper machine, in particular a tissue machine, for example TAD (through air drying) machine, with a number of guide rollers and at least one belt cleaning device, characterized in that on both sides of the fabric (7) arranged levers (9, 20) are provided, receive the at least one guide roller (3, 4) and are pivotable from an operating position to a clothing changing position. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Bespannungswechselposition der Umlenkwalze(n) (3, 4) derart ist, dass die Bespannung (7) nahezu horizontal in die Papiermaschine eingebracht werden kann.Apparatus according to claim 1, characterized in that the clothing change position of the guide roller (s) (3, 4) is such that the fabric (7) can be introduced almost horizontally in the paper machine. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Umlenkwalze (3) eine Spannwalze ist.Apparatus according to claim 1 or 2, characterized in that the deflection roller (3) is a tension roller. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Spannwalze (3) in der Endlage nach der Entspannung der Maschinenbespannung über die Lagergehäuse mit den beidseitig der Bespannung angeordneten Hebeln (9) verbindbar ist.Apparatus according to claim 3, characterized in that the tensioning roller (3) in the end position after the relaxation of the machine clothing on the bearing housing with the both sides of the clothing arranged levers (9) is connectable. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mindestens zwei beidseitig der Bespannung (7) angeordnete Hebel (20) durch eine Spritzschutzwanne (27) miteinander verbunden sind.Apparatus according to claim 1 or 2, characterized in that at least two on both sides of the fabric (7) arranged lever (20) by a splash guard (27) are interconnected. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Spritzschutzwanne (27) und allenfalls darin angeordnete Reinigungsspritzrohre (28, 29) gemeinsam mit der Umlenkwalze (4) durch die beidseitig der Bespannung (7) angeordneten Hebel (20) in die Bespannungswechselposition schwenkbar sind.Apparatus according to claim 5, characterized in that the splash guard (27) and possibly arranged therein cleaning spray tubes (28, 29) together with the guide roller (4) by the both sides of the clothing (7) arranged lever (20) are pivotable in the clothing change position. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Hebel (9, 20) mit Hubelementen (10, 22) verbunden sind. Device according to one of claims 1 to 6, characterized in that the levers (9, 20) with lifting elements (10, 22) are connected. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Hubelemente (10, 22) hydraulische Hubelemente, z.B. Hydraulikzylinder sind.Apparatus according to claim 7, characterized in that the lifting elements (10, 22) are hydraulic lifting elements, for example hydraulic cylinders. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Hubelemente (10, 22) elektromechanische Hubelemente, d.h. elektrisch angetriebene Hubspindeln sind.Apparatus according to claim 7, characterized in that the lifting elements (10, 22) are electromechanical lifting elements, ie electrically driven lifting spindles.
EP05000106.4A 2004-01-13 2005-01-05 Device for changing the fabric of a papermaking machine Not-in-force EP1555343B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT292004 2004-01-13
AT0002904A AT413039B (en) 2004-01-13 2004-01-13 DEVICE FOR CHANGING A PAULING OF A PAPER MACHINE

Publications (3)

Publication Number Publication Date
EP1555343A1 true EP1555343A1 (en) 2005-07-20
EP1555343B1 EP1555343B1 (en) 2010-03-03
EP1555343B2 EP1555343B2 (en) 2013-08-21

Family

ID=34222830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000106.4A Not-in-force EP1555343B2 (en) 2004-01-13 2005-01-05 Device for changing the fabric of a papermaking machine

Country Status (8)

Country Link
US (1) US7384511B2 (en)
EP (1) EP1555343B2 (en)
CN (1) CN1648337A (en)
AT (2) AT413039B (en)
BR (1) BRPI0500068A (en)
CA (1) CA2491405C (en)
DE (1) DE502005009113D1 (en)
MX (1) MXPA05000545A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015069555A1 (en) 2013-11-05 2015-05-14 Kimberly-Clark Worldwide, Inc. Endless belt changing apparatus and method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733245B (en) * 2011-04-15 2014-12-31 上海东冠纸业有限公司 Improved method for exchanging coarse cotton cloth
AT517329B1 (en) * 2015-10-05 2017-01-15 Andritz Ag Maschf METHOD FOR PRODUCING A FIBROUS WEB

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600273A (en) * 1968-09-27 1971-08-17 Black Clawson Co Paper machine press section
WO2000071814A1 (en) 1999-05-24 2000-11-30 Metso Paper, Inc. Method for changing a transfer belt in a paper or board machine

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US1501179A (en) * 1920-10-12 1924-07-15 Peacock James Felt washer
US2755710A (en) * 1954-01-22 1956-07-24 Beloit Iron Works Paper machine
DE2022938A1 (en) † 1970-05-12 1971-11-25 Escher Wyss Gmbh Paper machine screen tensioning with pressure control to overcome - sudden overloading
US3989587A (en) * 1973-02-17 1976-11-02 J. M. Voith Gmbh System for installing endless belts in a machine for making multiple-ply paper products
US4191611A (en) * 1978-09-01 1980-03-04 King Henry L Apparatus for ultrasonically cleaning paper making felt
FI70951C (en) * 1984-11-29 1999-05-19 Valmet Oy A method for replacing fabrics and rolls in a press section of a papermaking machine, and a press section frame structure applying the method
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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US3600273A (en) * 1968-09-27 1971-08-17 Black Clawson Co Paper machine press section
WO2000071814A1 (en) 1999-05-24 2000-11-30 Metso Paper, Inc. Method for changing a transfer belt in a paper or board machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015069555A1 (en) 2013-11-05 2015-05-14 Kimberly-Clark Worldwide, Inc. Endless belt changing apparatus and method
EP3066038A4 (en) * 2013-11-05 2017-06-14 Kimberly-Clark Worldwide, Inc. Endless belt changing apparatus and method
AU2014347079B2 (en) * 2013-11-05 2018-08-16 Kimberly-Clark Worldwide, Inc. Endless belt changing apparatus and method

Also Published As

Publication number Publication date
ATA292004A (en) 2005-03-15
CA2491405C (en) 2012-07-17
MXPA05000545A (en) 2005-07-15
EP1555343B2 (en) 2013-08-21
CA2491405A1 (en) 2005-07-13
ATE459750T1 (en) 2010-03-15
US7384511B2 (en) 2008-06-10
US20060027351A1 (en) 2006-02-09
BRPI0500068A (en) 2005-09-06
AT413039B (en) 2005-10-15
CN1648337A (en) 2005-08-03
DE502005009113D1 (en) 2010-04-15
EP1555343B1 (en) 2010-03-03

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