EP1555343B2 - Device for changing the fabric of a papermaking machine - Google Patents
Device for changing the fabric of a papermaking machine Download PDFInfo
- 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
- Authority
- 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
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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.
- tissue machine for example TAD (through air drying) machine
- TAD through air drying
- 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.
- 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.
- 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.
- external hoists such as e.g. 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.
- 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.
- 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.
- the lifting elements comprise hydraulic lifting elements, e.g. Hydraulic cylinders or electromechanical lifting elements, i. can be electrically driven lifting spindles.
- 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.
- 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. 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.
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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
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
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
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
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
Claims (8)
- 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).
- 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.
- Device according to Claim 1 or 2, characterised by the deflection roll (3) being a tensioning roll.
- 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.
- 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).
- 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).
- Device according to Claim 6, characterised by the lifting elements (10, 22) being hydraulic lifting elements, e.g. hydraulic cylinders.
- Device according to Claim 6, characterised by the lifting elements (10, 22) being electro-mechanical lifting elements, i.e. electrically driven lifting spindles.
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 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)
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 |
MX369354B (en) * | 2013-11-05 | 2019-11-05 | Kimberly Clark Co | 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)
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)
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 |
-
2004
- 2004-01-13 AT AT0002904A patent/AT413039B/en not_active IP Right Cessation
-
2005
- 2005-01-04 CA CA2491405A patent/CA2491405C/en active Active
- 2005-01-05 DE DE502005009113T patent/DE502005009113D1/en active Active
- 2005-01-05 EP EP05000106.4A patent/EP1555343B2/en not_active Not-in-force
- 2005-01-05 AT AT05000106T patent/ATE459750T1/en not_active IP Right Cessation
- 2005-01-12 CN CN200510003956.8A patent/CN1648337A/en active Pending
- 2005-01-12 BR BR0500068-8A patent/BRPI0500068A/en not_active IP Right Cessation
- 2005-01-12 US US11/034,331 patent/US7384511B2/en active Active
- 2005-01-12 MX MXPA05000545A patent/MXPA05000545A/en active IP Right Grant
Patent Citations (1)
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 |
---|---|
ATA292004A (en) | 2005-03-15 |
CA2491405C (en) | 2012-07-17 |
AT413039B (en) | 2005-10-15 |
US7384511B2 (en) | 2008-06-10 |
EP1555343A1 (en) | 2005-07-20 |
BRPI0500068A (en) | 2005-09-06 |
CA2491405A1 (en) | 2005-07-13 |
ATE459750T1 (en) | 2010-03-15 |
EP1555343B1 (en) | 2010-03-03 |
CN1648337A (en) | 2005-08-03 |
DE502005009113D1 (en) | 2010-04-15 |
MXPA05000545A (en) | 2005-07-15 |
US20060027351A1 (en) | 2006-02-09 |
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