EP1555343B2 - 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
EP1555343B2
EP1555343B2 EP05000106.4A EP05000106A EP1555343B2 EP 1555343 B2 EP1555343 B2 EP 1555343B2 EP 05000106 A EP05000106 A EP 05000106A EP 1555343 B2 EP1555343 B2 EP 1555343B2
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EP
European Patent Office
Prior art keywords
machine
clothing
levers
machine clothing
changing
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
EP05000106.4A
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German (de)
French (fr)
Other versions
EP1555343A1 (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
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Andritz AG
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Publication date
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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
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00Other details of machines for making continuous webs of paper
    • D21F7/001Wire-changing arrangements

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

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.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.

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.Current equipment has the disadvantage that the change of clothing takes a long time, is labor-intensive and in addition requires equipment such as machine-building cranes, which can be used for other maintenance work, such as machine cranes. Roller change, headbox revisions, etc., which are to be performed during the change of clothing, are not available. Under tension here sieves, felts or similar covering elements are to be understood.

Die WO 00/71814 A1 offenbart ein Verfahren zum Wechsel eines Transportbandes in einer Papier- oder Kartonmaschine mit Hilfe einer beweglichen Hilfskonstruktion, auf die ein neues Transportband aufgespannt ist und von der das neue Transportband in die Papiermaschine eingelegt wird.The WO 00/71814 A1 discloses a method for changing a conveyor belt in a paper or board machine by means of a movable auxiliary construction, on which a new conveyor belt is clamped and from which the new conveyor belt is inserted into the paper machine.

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.The aim of the invention is therefore to simplify the change of clothing in such a way that reduces the time duration, reduces the number of people required and no auxiliary equipment not integrated into the machine design can be used.

Die Erfindung ist daher dadurch gekennzeichnet, dass beidseitig der Bespannung an der Einlaufseite und an der Auslaufseite Hebel vorgesehen sind, die mindestens eine Umlenkwalze aufnehmen und von einer Betriebsposition in eine Bespannungswechselposition schwenkbar sind und dass die Bandreinigungseinrichtung Spritzrohre umfasst. 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.The invention is therefore characterized in that on both sides of the fabric on the inlet side and on the outlet side levers are provided which receive at least one guide roller and are pivotable from an operating position to a clothing changing position and that the belt cleaning device comprises injection pipes. Thereby external hoists such as e.g. 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).

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.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.

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.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.

Erfindungsgemäß sind mindestens zwei beidseitig der Bespannung angeordnete Hebel durch eine Spritzschutzwanne miteinander verbunden, wobei die Spritzschutzwanne und allenfalls darin angeordnete Reinigungsspritzrohre gemeinsam mit der Umlenkwalze durch die beidseitig der Bespannung angeordneten Hebel in die Bespannungswechselposition schwenkbar sein können. Dadurch können die Maschinenteile wie Spritzschutzwanne und Reinigungsspritzrohre gleichzeitig mitabgesenkt werden und müssen dazu nicht extra ausgebaut werden.According to the invention, at least two levers arranged on both sides of the clothing are connected to one another by a splash protection trough, wherein the splash protection trough and any cleaning spray pipes arranged therein can be pivoted together with the deflection roller into the clothing change position by the levers arranged on both sides of the clothing. This allows the machine parts such as splash guard and cleaning spray pipes mitab gesenkt and must not be specially removed.

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.A favorable embodiment of the invention is characterized in that the levers are connected to lifting elements, wherein the lifting elements comprise hydraulic lifting elements, e.g. Hydraulic cylinders or electromechanical lifting elements, i. can be electrically driven lifting spindles.

Die Erfindung wird nun anhand der Zeichnungen beispielhaft beschrieben, wobei die Fig. eine Variante der Erfindung darstellt.The invention will now be described by way of example with reference to the drawings, wherein the Fig. Represents a variant of the invention.

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.The invention is used in the area of the clothing cleaning device 1 of a paper machine, which essentially consists of a cantileverable support structure 2, a tensioning tensioning roller 3, a deflection roller 4, and two further tensioning guide rollers 5, 6 and various cleaning devices, i. s. Spray pipes, suction boxes and cleaning scrapers exists.

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.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.

Sodann werden die weiteren 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 weiteren 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.Then, the other levers 20 carrying the guide roller 4 are released from the driver-side and drive-side support structure 2 by opening the links 21 (e.g., screw connections). After disconnecting the connections of all spray pipes and suction on the drive side now the other lever 20 are lowered together with the roller 4 and all mounted 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 13, the intermediate pieces 24 and 25 of the chair are removed by means of a Cantilevereinrichtung from the support structure 2. The new fabric 26 can now be easily introduced by the resulting openings on the leader side of the machine and without bending in almost horizontal position. By the inventive type of Roller positioning also results in a much greater excess length of the clothing element, which allows easier introduction of the same in the rest of the machine. This also causes a reduction in the duration of the change of clothing of the continuous covering.

Claims (8)

  1. Device for changing the clothing of a paper machine, particularly a tissue machine, for example a TAD (through-air drying) machine, with a number of deflection rolls and at least one cleaning device for the machine clothing, characterised by levers (9) and further levers (20) being provided on either side of the machine clothing (7), where these levers hold at least one deflection roll (3, 4) and can be pivoted from an operating position into a machine clothing changing position, where the machine clothing cleaning device comprises showers, where the at least two further levers (20) mounted on either side of the machine clothing (7) are connected to one another via a splash protection tray (27).
  2. Device according to Claim 1, characterised by the position of the deflection roll(s) (3, 4) for changing machine clothing being such that the clothing (7) can be inserted into the paper machine virtually horizontally.
  3. Device according to Claim 1 or 2, characterised by the deflection roll (3) being a tensioning roll.
  4. Device according to Claim 3, characterised by the tensioning roll (3) being suitable for connecting via the bearing housing to the levers (9) arranged on either side of the machine clothing when the machine clothing tensioning device is in the final position at zero tension.
  5. Device according to one of Claims 1 to 4, characterised by the splash protection tray (27) and any cleaning showers (28, 29) mounted in it being suitable for pivoting into the machine clothing changing position together with the deflection roll (4) using the further levers (20) mounted on either side of the machine clothing (7).
  6. Device according to one of Claims 1 to 5, characterised by the levers (9) and the further levers (20) being connected to lifting elements (10, 22).
  7. Device according to Claim 6, characterised by the lifting elements (10, 22) being hydraulic lifting elements, e.g. hydraulic cylinders.
  8. Device according to Claim 6, characterised by the lifting elements (10, 22) being electro-mechanical lifting elements, i.e. 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
AT0002904A AT413039B (en) 2004-01-13 2004-01-13 DEVICE FOR CHANGING A PAULING OF A PAPER MACHINE
AT292004 2004-01-13

Publications (3)

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

Families Citing this family (3)

* 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
WO2015069555A1 (en) 2013-11-05 2015-05-14 Kimberly-Clark Worldwide, Inc. Endless belt changing apparatus and method
AT517329B1 (en) * 2015-10-05 2017-01-15 Andritz Ag Maschf METHOD FOR PRODUCING A FIBROUS WEB

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2022938A1 (en) 1970-05-12 1971-11-25 Escher Wyss Gmbh Paper machine screen tensioning with pressure control to overcome - sudden overloading

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3600273A (en) * 1968-09-27 1971-08-17 Black Clawson Co Paper machine press section
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
DE19904373A1 (en) * 1999-02-03 2000-08-10 Voith Sulzer Papiertech Patent Device for treating a material web
FI991171A0 (en) 1999-05-24 1999-05-24 Valmet Corp A method for replacing a transfer belt in a paper or board machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2022938A1 (en) 1970-05-12 1971-11-25 Escher Wyss Gmbh Paper machine screen tensioning with pressure control to overcome - sudden overloading

Also Published As

Publication number Publication date
AT413039B (en) 2005-10-15
EP1555343A1 (en) 2005-07-20
MXPA05000545A (en) 2005-07-15
ATE459750T1 (en) 2010-03-15
CA2491405C (en) 2012-07-17
ATA292004A (en) 2005-03-15
US20060027351A1 (en) 2006-02-09
CA2491405A1 (en) 2005-07-13
BRPI0500068A (en) 2005-09-06
EP1555343B1 (en) 2010-03-03
US7384511B2 (en) 2008-06-10
CN1648337A (en) 2005-08-03
DE502005009113D1 (en) 2010-04-15

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