EP1813714A1 - Shoe press roll - Google Patents

Shoe press roll Download PDF

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Publication number
EP1813714A1
EP1813714A1 EP06123727A EP06123727A EP1813714A1 EP 1813714 A1 EP1813714 A1 EP 1813714A1 EP 06123727 A EP06123727 A EP 06123727A EP 06123727 A EP06123727 A EP 06123727A EP 1813714 A1 EP1813714 A1 EP 1813714A1
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EP
European Patent Office
Prior art keywords
shoe
press
elements
roll according
return means
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EP06123727A
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German (de)
French (fr)
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EP1813714B1 (en
Inventor
Christian Müller
Gerd Komposch
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Voith Patent GmbH
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Voith Patent GmbH
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Publication of EP1813714A1 publication Critical patent/EP1813714A1/en
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Publication of EP1813714B1 publication Critical patent/EP1813714B1/en
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    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/006—Calenders; Smoothing apparatus with extended nips

Definitions

  • the invention relates to a shoe press roll for dewatering or smoothing a paper, cardboard, tissue or another fibrous web in a machine for producing and / or finishing the same with a stationary support body and a rotatable about this, flexible roll shell of a press shoe hydraulically to a mating roll can be pressed, wherein the press shoe is mounted radially displaceably on the support body and return means for retracting the press shoe of the backing roll are present.
  • Such return means are for example from the DE 19514142 known and should withdraw this in the absence of contact pressure of the press shoe.
  • the object of the invention is therefore to enable the retrieval of the press shoe with improved line force profile.
  • the object has been achieved in that the return means can be deactivated during the contact pressure of the press shoe.
  • the pressing of the press shoe should be done via a plurality of axially juxtaposed and preferably separately controllable hydraulic elements.
  • the return means should engage outside of the hydraulic elements on the support body and on the press shoe.
  • a simple construction of the return means results when the return means are formed by spring elements whose effective direction preferably extends approximately perpendicular to the press shoe.
  • the spring elements for retrieving the press shoe should be frictionally connected to the press shoe or elements attached thereto.
  • the spring elements should radially extending tension elements, in particular in the form of tie rods, cables o.ä. include, the press shoe facing the ends are preferably hingedly connected to the press shoe.
  • the spring elements are designed as helical springs whose opposite ends of the press shoe are each positively positively supported via a coupling element to a stop of the corresponding tension element.
  • the coupling elements can in a simple design of discs, plates o.ä. are formed, which are arranged between stop and spring.
  • the coupling elements controls that they can move away from the stop of the corresponding tension element to separate the non-positive connection of the spring element on the tension element with the press shoe. If the tension element is designed as a rope, this leads to the relaxation of the rope.
  • the controls are preferably designed as hydraulic pressing elements that press the coupling elements for deactivating the return means to the spring elements and clamp them so.
  • the fibrous web 7 is guided in manufacturing machines, such as paper machines alone or together with at least one band through one or more press nips.
  • the flexible roll shell 6 of a shoe press roll is often pressed by a press shoe 3 with a concave press surface against a cylindrical counter roll 8.
  • the longer residence time of the fibrous web 7 in the extended press nip allows an intensive yet gentle treatment of the fibrous web 7 without the risk of overpressing and thus an excessive volume reduction.
  • the shoe press roll has a stationary, axially extending support body 1, around which the roll shell 6 rotates.
  • the pressing of the radially displaceably mounted on the support body 1 press shoe 3 is usually carried out, as seen in Figure 2, via a plurality of axially juxtaposed hydraulic elements 2. However, if necessary, in the circumferential direction a plurality of hydraulic elements 2 are arranged one behind the other.
  • the spring elements 4 also comprise radially extending tension elements 5 in the form of tie rods whose ends facing the press shoe 3 are articulated to the Press shoe 3 are connected.
  • the tension rods as shown in Figure 1, each pass through the coil springs.
  • a spring element 4 with associated tension rod For safe retrieval of the press shoe 3 is here in the circumferential direction before and after each hydraulic element 2, a spring element 4 with associated tension rod.
  • each hydraulic element 2 only one spring element 4 or more hydraulic elements 2, one or more common spring elements 4 are assigned.
  • the coupling elements 9 are designed as a plate which is assigned to each hydraulic element 2, wherein both tension rods of the hydraulic element 2 are guided by this.
  • the spring elements 4 can relax while the press shoe 3 is being returned.
  • the spring elements 4 are based on the support body 1 and via the coupling element 9 on the stop 11.
  • a control element 10 in the form of a hydraulic pressing element engages on the respective coupling element 9, which presses the coupling element 9 towards the spring elements 4 and thus biases them.

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  • Paper (AREA)
  • Press Drives And Press Lines (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

The shoe (3) retraction mechanism can be deactivated, when the shoe is pressed against the roller (8). This pressure is exerted by one or more axially-adjacent hydraulic cylinder units (2). The retraction mechanism acts outside the cylinder units, on the support (1) and pressure shoe (3). Springs (4) of the retraction mechanism, act at right angles to the length of the pressure shoe. These retraction springs have an interlocking connection with the shoe. The connection can be separated, to deactivate the retraction mechanism. The springs have tie bars running through them, in a radial direction with respect to the roller. The spring ends facing the pressure shoe, have an articulated connection with it. Spiral springs are used, the ends remote from the shoe being supported by a coupling component (9), against a stop end (11) of the corresponding tie bar. Several tie bars are associated with a common coupling component (9). Control actuators (10) act on the coupling components, which can be moved to separate the interlocking connection at the tie bar stop ends. The actuators are preferably hydraulic pressure units which press toward the springs and tension them, hence deactivating retraction.

Description

Die Erfindung betrifft eine Schuhpresswalze zur Entwässerung oder Glättung einer Papier-, Karton-, Tissue- oder einer anderen Faserstoffbahn in einer Maschine zur Herstellung und/oder Veredlung derselben mit einem stationären Tragkörper und einem, um diesen rotierbaren, flexiblen Walzenmantel, der von einem Pressschuh hydraulisch an eine Gegenwalze anpressbar ist, wobei der Pressschuh radial verschiebbar am Tragkörper gelagert ist und Rückholmitteln zum Zurückziehen des Pressschuhs von der Gegenwalze vorhanden sind.The invention relates to a shoe press roll for dewatering or smoothing a paper, cardboard, tissue or another fibrous web in a machine for producing and / or finishing the same with a stationary support body and a rotatable about this, flexible roll shell of a press shoe hydraulically to a mating roll can be pressed, wherein the press shoe is mounted radially displaceably on the support body and return means for retracting the press shoe of the backing roll are present.

Derartige Rückholmittel sind beispielsweise aus der DE 19514142 bekannt und sollen bei fehlender Anpressung des Pressschuhs diesen zurückziehen.Such return means are for example from the DE 19514142 known and should withdraw this in the absence of contact pressure of the press shoe.

Damit wird bei oben liegenden Schuhpresswalzen ein Herabsinken des Pressschuhs verhindert, aber auch allgemein die Montage und Demontage des Walzenmantels erleichtert.Thus, a lowering of the press shoe is prevented in overhead shoe press rolls, but also generally facilitates the assembly and disassembly of the roll shell.

Nachteilig ist dabei allerdings, dass diese Rückholmittel das Linienkraftprofil des Pressschuhs beeinflussen.The disadvantage here, however, that these return means affect the line force profile of the press shoe.

Die Aufgabe der Erfindung ist es daher, die Rückholung des Pressschuhs bei verbessertem Linienkraftprofil zu ermöglichen.The object of the invention is therefore to enable the retrieval of the press shoe with improved line force profile.

Erfindungsgemäß wurde die Aufgabe dadurch gelöst, dass die Rückholmittel während der Anpressung des Pressschuhs deaktivierbar sind.According to the invention, the object has been achieved in that the return means can be deactivated during the contact pressure of the press shoe.

Durch diese Deaktivierung wird eine Beeinflussung des Linienkraftprofils durch die Rückholmittel auf einfache aber sehr wirksame Weise verhindert.By this deactivation influencing the line force profile is prevented by the return means in a simple but very effective manner.

Um das Linienkraftprofil beeinflussen zu können, sollte die Anpressung des Pressschuhs über mehrere axial nebeneinander angeordnete und vorzugsweise separat steuerbare Hydraulikelemente erfolgen.In order to influence the line force profile, the pressing of the press shoe should be done via a plurality of axially juxtaposed and preferably separately controllable hydraulic elements.

Die Anpressung über nur ein Hydraulikelement kann mitunter jedoch auch genügen.However, the contact pressure on only one hydraulic element can sometimes be sufficient.

Zur Vereinfachung der Konstruktion sowie der Gewährleistung einer sicheren Funktion sollten die Rückholmittel dabei außerhalb der Hydraulikelemente am Tragkörper und am Pressschuh angreifen.To simplify the design and ensure safe operation, the return means should engage outside of the hydraulic elements on the support body and on the press shoe.

Ein einfacher Aufbau der Rückholmittel ergibt sich, wenn die Rückholmittel von Federelementen gebildet werden, deren Wirkrichtung vorzugsweise etwa senkrecht zum Pressschuh verläuft.A simple construction of the return means results when the return means are formed by spring elements whose effective direction preferably extends approximately perpendicular to the press shoe.

Dabei sollten die Federelemente zur Rückholung des Pressschuhs kraftschlüssig mit dem Pressschuh oder daran befestigten Elementen verbunden sein.The spring elements for retrieving the press shoe should be frictionally connected to the press shoe or elements attached thereto.

Dies erlaubt eine einfache Deaktivierung der Rückholmittel durch die Trennung der kraftschlüssigen Verbindung zwischen den Federelementen und dem Pressschuh.This allows a simple deactivation of the return means by the separation of the frictional connection between the spring elements and the press shoe.

Zur Realisierung einer insbesondere kraftschlüssigen Verbindung sollten die Federelemente radial verlaufende Zugelemente, insbesondere in Form von Zugstäben, Seilen o.ä. umfassen, deren dem Pressschuh zugewandte Enden vorzugsweise gelenkig mit dem Pressschuh verbunden sind.To realize a particular non-positive connection, the spring elements should radially extending tension elements, in particular in the form of tie rods, cables o.ä. include, the press shoe facing the ends are preferably hingedly connected to the press shoe.

Dabei ist es vorteilhaft, wenn die Federelemente als Schraubenfedern ausgebildet sind, deren dem Pressschuh abgewandte Enden sich jeweils formschlüssig über ein Koppelelement an einem Anschlag des entsprechenden Zugelementes kraftschlüssig abstützen.It is advantageous if the spring elements are designed as helical springs whose opposite ends of the press shoe are each positively positively supported via a coupling element to a stop of the corresponding tension element.

Die Koppelelemente können in einfacher Ausführung von Scheiben, Platten o.ä. gebildet werden, welche zwischen Anschlag und Feder angeordnet sind.The coupling elements can in a simple design of discs, plates o.ä. are formed, which are arranged between stop and spring.

Von Vorteil ist es insbesondere hinsichtlich einer stabilen Führung auch, wenn die Zugelemente durch die Koppelelemente verlaufen.
Zur Vereinfachung der Konstruktion und der Stabilität ist es außerdem vorteilhaft, wenn mehreren Zugelementen ein gemeinsames Koppelelement zugeordnet ist.It is also advantageous, in particular with regard to stable guidance, when the tension elements run through the coupling elements.
To simplify the construction and the stability, it is also advantageous if a plurality of tension elements is associated with a common coupling element.

Um eine Deaktivierung der Rückholmittel zu ermöglichen, ist es von Vorteil, wenn an den Koppelelementen Steuerelemente angreifen, die diese zur Trennung der kraftschlüssigen Verbindung des Federelementes über das Zugelement mit dem Pressschuh vom Anschlag des entsprechenden Zugelementes wegbewegen können. Falls das Zugelement als Seil ausgeführt ist, so führt dies zur Entspannung des Seils.In order to enable a deactivation of the return means, it is advantageous if acting on the coupling elements controls that they can move away from the stop of the corresponding tension element to separate the non-positive connection of the spring element on the tension element with the press shoe. If the tension element is designed as a rope, this leads to the relaxation of the rope.

Im Interesse einer einfachen und sicheren Konstruktion ist es dabei von Vorteil, wenn die Steuerelemente vorzugsweise als hydraulische Presselemente ausgebildet sind, die die Koppelelemente zur Deaktivierung der Rückholmittel zu den Federelementen drücken und diese damit spannen.In the interest of a simple and safe construction, it is advantageous if the controls are preferably designed as hydraulic pressing elements that press the coupling elements for deactivating the return means to the spring elements and clamp them so.

Nachfolgend soll die Erfindung an einem Ausführungsbeispiel näher erläutert werden. In der beigefügten Zeichnung zeigt:

Figur 1:
einen schematischen Teil-Querschnitt durch eine Schuhpresswalze und
Figur 2:
einen schematischen Teil-Längsschnitt.
The invention will be explained in more detail with reference to an exemplary embodiment. In the attached drawing shows:
FIG. 1:
a schematic partial cross-section through a shoe press roll and
FIG. 2:
a schematic partial longitudinal section.

Zur Entwässerung oder Glättung wird die Faserstoffbahn 7 in Herstellungsmaschinen, wie Papiermaschinen allein oder gemeinsam mit wenigstens einem Band durch einen oder mehrere Pressspalte geführt.For dewatering or smoothing the fibrous web 7 is guided in manufacturing machines, such as paper machines alone or together with at least one band through one or more press nips.

Zur Bildung eines verlängerten Pressspaltes wird dabei oft der flexible Walzenmantel 6 einer Schuhpresswalze von einem Pressschuh 3 mit konkaver Pressfläche gegen eine zylindrische Gegenwalze 8 gedrückt.To form an extended press nip, the flexible roll shell 6 of a shoe press roll is often pressed by a press shoe 3 with a concave press surface against a cylindrical counter roll 8.

Die längere Verweilzeit der Faserstoffbahn 7 im verlängerten Pressspalt ermöglicht eine intensive und dennoch schonende Behandlung der Faserstoffbahn 7 ohne die Gefahr einer Überpressung und damit einer zu starken Volumenminderung.The longer residence time of the fibrous web 7 in the extended press nip allows an intensive yet gentle treatment of the fibrous web 7 without the risk of overpressing and thus an excessive volume reduction.

Die Schuhpresswalze besitzt einen stationären, axial verlaufenden Tragkörper 1, um den der Walzenmantel 6 rotiert.The shoe press roll has a stationary, axially extending support body 1, around which the roll shell 6 rotates.

Die Anpressung des radial verschiebbar am Tragkörper 1 gelagerten Pressschuhs 3 erfolgt meist, wie in Figur 2 zu sehen, über mehrere axial nebeneinander angeordnete Hydraulikelemente 2. Dabei können aber bei Bedarf auch in Umfangsrichtung mehrere Hydraulikelemente 2 hintereinander angeordnet werden.The pressing of the radially displaceably mounted on the support body 1 press shoe 3 is usually carried out, as seen in Figure 2, via a plurality of axially juxtaposed hydraulic elements 2. However, if necessary, in the circumferential direction a plurality of hydraulic elements 2 are arranged one behind the other.

Bei Entlastung der Hydraulikelemente 2 ist es wichtig, dass der Pressschuh 3 von der Gegenwalze 8 weg in Richtung Tragkörper 1 gezogen wird.When relieving the hydraulic elements 2, it is important that the press shoe 3 is pulled away from the counter-roller 8 in the direction of the support body 1.

Damit wird bei oben liegender Schuhpresswalze verhindert, dass der Pressschuh 3 abfällt. Es werden aber auch die Montage und Demontage sowie der Wechsel des Walzenmantels 6 erleichtert.This prevents the press shoe 3 from falling when the shoe press roll is on top. But it will also facilitate the assembly and disassembly and the change of the roll shell 6.

Das Zurückziehen des Pressschuhs 3 wird von Rückholmitteln übernommen, die hier als Federelemente 4, speziell Schraubenfedern ausgebildet sind.The retraction of the press shoe 3 is taken over by return means, which are designed here as spring elements 4, especially coil springs.

Die Wirkrichtung dieser Federelemente 4 verläuft senkrecht zum Pressschuh 3 und damit parallel zu den Hydraulikelementen 2, so dass die gesamte Federkraft für die Rückholung genutzt werden kann.The effective direction of these spring elements 4 is perpendicular to the press shoe 3 and thus parallel to the hydraulic elements 2, so that the entire spring force can be used for retrieval.

Um die Hydraulikelemente 2 nicht zu beeinträchtigen, befinden sich die Rückholmittel außerhalb der Hydraulikelemente 2.In order not to impair the hydraulic elements 2, the return means are outside the hydraulic elements. 2

Die Federelemente 4 umfassen auch radial verlaufende Zugelemente 5 in Form von Zugstäben, deren dem Pressschuh 3 zugewandte Enden gelenkig mit dem Pressschuh 3 verbunden sind. Dabei verlaufen die Zugstäbe, wie in Figur 1 dargestellt, jeweils durch die Schraubenfedern hindurch.The spring elements 4 also comprise radially extending tension elements 5 in the form of tie rods whose ends facing the press shoe 3 are articulated to the Press shoe 3 are connected. In this case, the tension rods, as shown in Figure 1, each pass through the coil springs.

Während sich die dem Pressschuh 3 zugewandten Enden der Federelemente 4 am Tragkörper 1 abstützen, stützen sich die dem Pressschuh 3 abgewandten Enden jeweils über ein Koppelelement 9 an einem Anschlag 11 des entsprechenden Zugstabes kraft- und formschlüssig ab.While the press shoe 3 facing the ends of the spring elements 4 are supported on the support body 1, the press shoe 3 opposite ends in each case via a coupling element 9 against a stop 11 of the corresponding tie rod force and form-fitting.

Zur sicheren Rückholung des Pressschuhs 3 befindet sich hier in Umfangsrichtung vor und nach jedem Hydraulikelement 2 ein Federelement 4 mit dazugehörigem Zugstab.For safe retrieval of the press shoe 3 is here in the circumferential direction before and after each hydraulic element 2, a spring element 4 with associated tension rod.

Es können jedoch jedem Hydraulikelement 2 auch nur ein Federelement 4 oder mehreren Hydraulikelementen 2 ein oder mehrere gemeinsame Federelemente 4 zugeordnet werden.However, each hydraulic element 2, only one spring element 4 or more hydraulic elements 2, one or more common spring elements 4 are assigned.

Die Koppelelemente 9 sind dabei als Platte ausgeführt, welches jedem Hydraulikelement 2 zugeordnet ist, wobei beide Zugstäbe des Hydraulikelementes 2 durch diese geführt sind.The coupling elements 9 are designed as a plate which is assigned to each hydraulic element 2, wherein both tension rods of the hydraulic element 2 are guided by this.

Dies bedeutet, dass die Rückholmittel eines Hydraulikelementes 2 hier beispielhaft ein gemeinsames Koppelelement 9 besitzen.This means that the return means of a hydraulic element 2 have here for example a common coupling element 9.

Es ist allerdings auch möglich, für mehrere Hydraulikelemente 2 ein oder mehrere gemeinsame Koppelelemente 9 vorzusehen. Beispielsweise kann es von Vorteil sein, dass die Federelemente 4 mehrerer benachbarter Hydraulikelemente 2 vor und/oder nach den Hydraulikelementen 2 ein gemeinsames Koppelelement 9 besitzen.However, it is also possible to provide one or more common coupling elements 9 for a plurality of hydraulic elements 2. For example, it may be advantageous for the spring elements 4 of a plurality of adjacent hydraulic elements 2 to have a common coupling element 9 before and / or after the hydraulic elements 2.

Werden hierbei nun die Hydraulikelemente 2 entlastet, so können sich die Federelemente 4 unter Rückführung des Pressschuhs 3 entspannen. Dabei stützen sich die Federelemente 4 am Tragkörper 1 und über das Koppelelement 9 am Anschlag 11 ab.If in this case the hydraulic elements 2 are relieved, the spring elements 4 can relax while the press shoe 3 is being returned. In this case, the spring elements 4 are based on the support body 1 and via the coupling element 9 on the stop 11.

Um zu vermeiden, dass die Rückholmittel sich auf das Linienkraftprofil während der Anpressung des Pressschuhs 3 auswirken, werden diese deaktiviert.In order to avoid that the return means affect the line force profile during the pressing of the press shoe 3, they are deactivated.

Dies erfolgt durch die Trennung der kraftschlüssigen Verbindung der Federelemente 4 zum Pressschuh 3.This is done by the separation of the non-positive connection of the spring elements 4 to the press shoe. 3

Hierzu greift am jeweiligen Koppelelement 9 ein Steuerelement 10 in Form eines hydraulischen Presselementes an, welches das Koppelelement 9 zu den Federelementen 4 hin drückt und diese somit spannt.For this purpose, a control element 10 in the form of a hydraulic pressing element engages on the respective coupling element 9, which presses the coupling element 9 towards the spring elements 4 and thus biases them.

Die Trennung der kraftschlüssigen Verbindung zwischen den Federelementen 4 und den Anschlägen 11 der Zugstäbe führt zur Deaktivierung der Rückholmittel und verhindert einen Einfluss der Federkräfte auf das Linienkraftprofil.
Im Ergebnis ragen die Zugstäbe, wie in Figur 1 angedeutet, mit ihren Anschlägen 11 frei über die Koppelelemente 9 hinaus.The separation of the frictional connection between the spring elements 4 and the stops 11 of the tension rods leads to the deactivation of the return means and prevents an influence of the spring forces on the line force profile.
As a result, the tension rods, as indicated in FIG. 1, protrude freely beyond the coupling elements 9 with their stops 11.

Zur Aktivierung der Rückholmittel werden die Steuerelemente 10 wieder entspannt, so dass sich auch die Federelemente 4 entspannen und die Koppelelemente 9 gegen die Anschläge 11 der Zugstäbe drücken.To activate the return means, the controls 10 are relaxed again, so that the spring elements 4 relax and the coupling elements 9 press against the stops 11 of the tension bars.

Claims (11)

Schuhpresswalze zur Entwässerung oder Glättung einer Papier-, Karton-, Tissue- oder einer anderen Faserstoffbahn (7) in einer Maschine zur Herstellung und/oder Veredlung derselben mit einem stationären Tragkörper (1) und einem, um diesen rotierbaren, flexiblen Walzenmantel (6), der von einem Pressschuh (3) hydraulisch an eine Gegenwalze (8) anpressbar ist, wobei der Pressschuh (3) radial verschiebbar am Tragkörper (1) gelagert ist und Rückholmitteln zum Zurückziehen des Pressschuhs (3) von der Gegenwalze (8) vorhanden sind, dadurch gekennzeichnet, dass die Rückholmittel während der Anpressung des Pressschuhs (3) deaktivierbar sind.Shoe press roll for dewatering or smoothing a paper, board, tissue or other fibrous web (7) in a machine for producing and / or finishing the same with a stationary support body (1) and a flexible roll shell (6) rotatable about it which is hydraulically pressable by a press shoe (3) to a counter-roller (8), wherein the press shoe (3) is mounted radially displaceable on the support body (1) and return means for retracting the press shoe (3) from the counter-roller (8) are present , characterized in that the return means during the pressing of the press shoe (3) are deactivated. Schuhpresswalze nach Anspruch 1, dadurch gekennzeichnet, dass die Anpressung des Pressschuhs (3) über ein oder mehrere axial nebeneinander angeordnete Hydraulikelemente (2) erfolgt.Shoe press roll according to claim 1, characterized in that the contact pressure of the press shoe (3) via one or more axially juxtaposed hydraulic elements (2). Schuhpresswalze nach Anspruch 2, dadurch gekennzeichnet, dass die Rückholmittel außerhalb der Hydraulikelemente (2) am Tragkörper (1) und am Pressschuh (3) angreifen.Shoe press roll according to claim 2, characterized in that the return means outside the hydraulic elements (2) on the support body (1) and the press shoe (3) engage. Schuhpresswalze nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Rückholmittel von Federelementen (4) gebildet werden, deren Wirkrichtung vorzugsweise etwa senkrecht zum Pressschuh (3) verläuft.Shoe press roll according to one of the preceding claims, characterized in that the return means of spring elements (4) are formed, the effective direction preferably extends approximately perpendicular to the press shoe (3). Schuhpresswalze nach Anspruch 4, dadurch gekennzeichnet, dass die Federelemente (4) zur Rückholung des Pressschuhs (3) kraftschlüssig mit dem Pressschuh (3) verbunden sind.Shoe press roll according to claim 4, characterized in that the spring elements (4) for retrieving the press shoe (3) are non-positively connected to the press shoe (3). Schuhpresswalze nach Anspruch 5, dadurch gekennzeichnet, dass die kraftschlüssige Verbindung der Federelemente (4) zum Pressschuh (3) zur Deaktivierung des Rückholmittels trennbar ist.Shoe press roll according to claim 5, characterized in that the frictional connection of the spring elements (4) to the press shoe (3) for deactivating the return means is separable. Schuhpresswalze nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass die Federelemente (4) radial verlaufende Zugelemente (5) umfassen, deren dem Pressschuh (3) zugewandte Enden vorzugsweise gelenkig mit dem Pressschuh (3) verbunden sind.Shoe press roll according to one of claims 4 to 6, characterized in that the spring elements (4) comprise radially extending tension elements (5), the press shoe (3) facing ends are preferably hingedly connected to the press shoe (3). Schuhpresswalze nach Anspruch 7, dadurch gekennzeichnet, dass die Federelemente (4) als Schraubenfedern ausgebildet sind, deren dem Pressschuh (3) abgewandte Enden sich jeweils über ein Koppelelement (9) an einem Anschlag (11) des entsprechenden Zugelementes (5) kraftschlüssig abstützen.Shoe press roll according to claim 7, characterized in that the spring elements (4) are designed as helical springs, the press shoe (3) facing away from each other via a coupling element (9) on a stop (11) of the corresponding tension element (5) non-positively supported. Schuhpresswalze nach Anspruch 8, dadurch gekennzeichnet, dass mehreren Zugelementen (5) ein gemeinsames Koppelelement (9) zugeordnet ist.Shoe press roll according to claim 8, characterized in that a plurality of tension elements (5) is associated with a common coupling element (9). Schuhpresswalze nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass an den Koppelelementen (9) Steuerelemente (10) angreifen, die diese zur Trennung der kraftschlüssigen Verbindung vom Anschlag (11) des entsprechenden Zugelementes (5) wegbewegen können.Shoe press roll according to claim 8 or 9, characterized in that on the coupling elements (9) control elements (10) engage, which they can move away from the stop (11) of the corresponding tension element (5) to separate the frictional connection. Schuhpresswalze nach Anspruch 10, dadurch gekennzeichnet, dass die Steuerelemente (10) vorzugsweise als hydraulische Presselemente ausgebildet sind, die die Koppelelemente (9) zur Deaktivierung der Rückholmittel zu den Federelementen (4) drücken und diese damit spannen.Shoe press roll according to claim 10, characterized in that the control elements (10) are preferably designed as hydraulic pressing elements, which press the coupling elements (9) for deactivating the return means to the spring elements (4) and tension it.
EP06123727A 2006-01-27 2006-11-09 Shoe press roll Not-in-force EP1813714B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006003888A DE102006003888A1 (en) 2006-01-27 2006-01-27 Shoe press roll

Publications (2)

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EP1813714A1 true EP1813714A1 (en) 2007-08-01
EP1813714B1 EP1813714B1 (en) 2008-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06123727A Not-in-force EP1813714B1 (en) 2006-01-27 2006-11-09 Shoe press roll

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EP (1) EP1813714B1 (en)
AT (1) ATE410546T1 (en)
DE (2) DE102006003888A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514142C1 (en) * 1995-04-15 1996-07-11 Voith Sulzer Papiermasch Gmbh Simply serviceable pressure shoe for a yet strong paper press roller
US6158333A (en) * 1998-12-16 2000-12-12 Valmet Corporation Method and apparatus for calendering paper
WO2002040771A1 (en) * 2000-11-20 2002-05-23 Metso Paper Karlstad Ab A method of and an apparatus for protecting the jacket upon a web break in a hot shoe press roll nip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514142C1 (en) * 1995-04-15 1996-07-11 Voith Sulzer Papiermasch Gmbh Simply serviceable pressure shoe for a yet strong paper press roller
US6158333A (en) * 1998-12-16 2000-12-12 Valmet Corporation Method and apparatus for calendering paper
WO2002040771A1 (en) * 2000-11-20 2002-05-23 Metso Paper Karlstad Ab A method of and an apparatus for protecting the jacket upon a web break in a hot shoe press roll nip

Also Published As

Publication number Publication date
ATE410546T1 (en) 2008-10-15
DE102006003888A1 (en) 2007-08-02
EP1813714B1 (en) 2008-10-08
DE502006001736D1 (en) 2008-11-20

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