EP0951601A1 - Separator for a multilayer headbox - Google Patents
Separator for a multilayer headboxInfo
- Publication number
- EP0951601A1 EP0951601A1 EP97949854A EP97949854A EP0951601A1 EP 0951601 A1 EP0951601 A1 EP 0951601A1 EP 97949854 A EP97949854 A EP 97949854A EP 97949854 A EP97949854 A EP 97949854A EP 0951601 A1 EP0951601 A1 EP 0951601A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting device
- tension
- components
- interventions
- brackets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/02—Head boxes of Fourdrinier machines
- D21F1/028—Details of the nozzle section
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/02—Head boxes of Fourdrinier machines
Definitions
- the invention relates to a multi-part separating element of a multi-layer headbox, a machine for producing a paper or cardboard web, for separating two suspension streams, in particular the invention relates to the type of connection of the individual components of a separating element to one another or the connection of a separating element to the main body of the headbox according to Preamble of claim 1.
- connection is relatively complex in operation, since at least one hydraulic or pneumatic element must be kept under pressure at all times in order to maintain a firm connection.
- the object of the invention is to provide a connection for a separating element which eliminates the disadvantages of the prior art and nevertheless enables a very simple change of a separating element or parts of this separating element.
- the connecting device has at least one cable holder in a first component to be connected and at least one cable holder engagement in a second component to be connected to the first
- Spring force causes a firm engagement of the cable holder in the cable holder engagement and thus a connection of the components.
- at least one device is provided which is suitable for counteracting the spring force at least for a short time.
- This can be, for example, a hydraulic or pneumatic element in the form of an expandable hose or a piston.
- tension brackets and tension bracket interventions can also be arranged alternately, in which case, however, a device for releasing the spring force is also necessary on each component.
- the end of the pull brackets can be designed more protruding than at the beginning and the pull holder interventions are designed so that the protruding part of the pull holder engages in a complementary form.
- This configuration can be realized in the form of a hook which hangs into a bolt or a bolt which widens conically or step-wise at the end and is inserted into an engagement device of appropriate dimensioning.
- Machine width backlash-free tensioning of the joint between the two components in the operating state; only a short displacement path is necessary for removal and installation; - Passages in the side wall for hydraulic
- Figure 1 Cross section through a schematically shown
- Figure 1 shows the cross section through a schematically illustrated connecting part of two components 1 and 2 of a separating element
- the component 1 has, for example, a machine-wide, downstream narrowed groove, in which there is a strip 6 with a plurality of tension holders 4 fastened on this strip 6. With their conically widened ends, the tension brackets 4 each engage in the opposite tension bracket entry 8 provided on component 2.
- the upstream end of component 1 of the separating element has a corresponding number of pull-holder interventions which are designed in such a way that the pull-holders - in a manner known per se - can be inserted laterally offset into a groove and then by a transverse displacement into the narrower part of the
- the spring element 3 which here consists of a leaf spring and through which the tension brackets pass, generates an elastic, directed force on the bar 6 and the tension brackets 4, which pulls the component 1 towards the component 2.
- a hydraulic element in the form of a pressure hose 5 in the groove 7
- Figure 2 also shows a cross section through a schematically illustrated connecting part of two components 1 and 2 of a separating element, although a pivoting possibility is provided between the components.
- the pivoting possibility is realized in that, on the one hand, the interventions in the tensioning bracket are in one, with its
- Component 1 around the axis 12 of the coaxial-cylindrical contact surfaces 11 and the cylindrical part 10 is made possible.
Abstract
Disclosed is a device for connecting a separator for use in association with a multilayer headbox in a paper machine, comprised of at least one pulling support (4) in a first connecting element (2) and at least one gear assembly (8) for the pulling support in a second connecting element (1) to be connected to the first one. The invention is characterized in that at least one spring element (3) is provided, the spring-back of which enables a solid meshing of the pulling support (4) in said gearing assembly (8) and, consequently, a connection between the elements (1 and 2), and in that at least one device (5) is provided to neutralize, at least during a moment, the spring-back of the spring element (3).
Description
Trennelement eines Mehrschichtenauflaufes Separating element of a multi-layer casserole
Die Erfindung betrifft ein mehrteiliges Trennelement eines Mehrschichtenauflaufes, einer Maschine zur Herstellung einer Papier- oder Kartonbahn, zum Trennen zweier Suspensionsströme, insbesondere betrifft die Erfindung die Art der Verbindung der einzelnen Bauteile eines Trennelementes untereinander beziehungsweise die Verbindung eines Trennelementes mit dem Grundkörper des Stoffauflaufes gemäß dem Oberbegriff des Anspruches 1.The invention relates to a multi-part separating element of a multi-layer headbox, a machine for producing a paper or cardboard web, for separating two suspension streams, in particular the invention relates to the type of connection of the individual components of a separating element to one another or the connection of a separating element to the main body of the headbox according to Preamble of claim 1.
Ein entsprechende Verbindung gemäß dem Oberbegriff des Anspruches 1 ist aus der Deutschen Patentschrift DE 44 02 625 A1 bekannt. Mit dieser Schrift sollte ein Trennelement gezeigt werden, das unter anderem ein schnelles und leichtes Ein- und Ausbauen ermöglichen sollte.A corresponding connection according to the preamble of claim 1 is known from German patent DE 44 02 625 A1. This document was intended to show a separating element which, among other things, should enable quick and easy installation and removal.
Diese Ausführung der Verbindung ist jedoch relativ aufwendig im Betrieb, da zur Aufrechterhaltung einer festen Verbindung mindestens ein Hydraulikoder Pneumatikelement ständig unter Druck gehalten werden muß.However, this type of connection is relatively complex in operation, since at least one hydraulic or pneumatic element must be kept under pressure at all times in order to maintain a firm connection.
Aufgabe der Erfindung ist es, eine Verbindung für ein Trennelement darzustellen, das die Nachteile des Standes der Technik beseitigt und trotzdem ein sehr einfaches Wechseln eines Trennelementes beziehungsweise von Teilen dieses Trennelementes ermöglicht.The object of the invention is to provide a connection for a separating element which eliminates the disadvantages of the prior art and nevertheless enables a very simple change of a separating element or parts of this separating element.
Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruches 1 gelöst.The object is achieved by the characterizing features of claim 1.
Demgemäß weist die Verbindungsvorrichtung mindestens eine Zughalterung in einem ersten zu verbindenden Bauteil und mindestens einen Zughalterungseingriff in einem zweiten, mit dem ersten zu verbindendenAccordingly, the connecting device has at least one cable holder in a first component to be connected and at least one cable holder engagement in a second component to be connected to the first
Bauteil auf, wobei ein Federelement vorgesehen ist, das durch seineComponent, wherein a spring element is provided, which by its
- l - ERSATZBLAπ (REGEL 26)
Federkraft einen festen Eingriff der Zughalterung im Zughalterungseingriff und damit eine Verbindung der Bauteile bewirkt. Zum Lösen der Verbindung ist mindestens eine Vorrichtung vorgesehen, die geeignet ist der Federkraft zumindest kurzzeitig entgegen zu wirken. Diese kann beispielsweise ein Hydraulik- oder Pneumatikelement in Form eines dehnbaren Schlauches oder eines Kolbens sein.- l - ERSATZBLAπ (RULE 26) Spring force causes a firm engagement of the cable holder in the cable holder engagement and thus a connection of the components. To release the connection, at least one device is provided which is suitable for counteracting the spring force at least for a short time. This can be, for example, a hydraulic or pneumatic element in the form of an expandable hose or a piston.
Vorteilhaft kann es sein, wenn an den zu verbindenden Bauteilen eine Vielzahl von Zughalterungen und Zughalterungseingriffen über die Maschinenbreite verteilt angeordnet sind, so daß eine möglichst gleichmäßige Verbindungskraft zwischen den Bauteilen entsteht. Hierbei können die Zughalterungen und Zughalterungseingriffe auch abwechselnd angeordnet sein, wobei dann allerdings an jedem Bauteil auch eine Vorrichtung zum Lösen der Federkraft notwendig wird.It can be advantageous if a large number of tension brackets and tension bracket interventions are arranged over the machine width on the components to be connected, so that the most uniform possible connecting force between the components. In this case, the tension brackets and tension bracket interventions can also be arranged alternately, in which case, however, a device for releasing the spring force is also necessary on each component.
Beispielsweise können die Zughalterungen an ihrem Ende ausladender gestaltet sein als an ihrem Anfang und die Zughalterungseingriffe so gestaltet sind, daß der ausladende Teil der Zughalterung in eine hierzu komplementäre Form eingreift. Diese Ausgestaltung kann in Form eines Hakens der sich in einen Bolzen einhängt oder eines zum Ende sich konisch oder stufenförmig erweiternden Bolzens, der in eine Eingriffsvorrichtung entsprechender Dimensionierung eingeführt wird, verwirklicht sein.For example, the end of the pull brackets can be designed more protruding than at the beginning and the pull holder interventions are designed so that the protruding part of the pull holder engages in a complementary form. This configuration can be realized in the form of a hook which hangs into a bolt or a bolt which widens conically or step-wise at the end and is inserted into an engagement device of appropriate dimensioning.
Vorteile der erfindungsgemäßen Ausführung eines Trennelementes sind: - gleichmäßiger Einzug des Endteils über die gesamteAdvantages of the design of a separating element according to the invention are: - the end part is evenly drawn in over the entire length
Maschinenbreite; spielfreie Verspannung der Trennfuge zwischen den beiden Bauteilen im Betriebszustand; es ist nur ein kurzer Verschiebeweg zu Aus- und Einbau notwendig; - Durchgänge in der Seitenwand für hydraulischeMachine width; backlash-free tensioning of the joint between the two components in the operating state; only a short displacement path is necessary for removal and installation; - Passages in the side wall for hydraulic
Befestigungselemente können vermieden werden;
aufgrund der rein mechanisch wirkenden Klemmkraft (Federkraft) ist keine Druckbeaufschlagung während des Betriebes notwendig und damit eine erhöhte Betriebssicherheit gegeben.Fasteners can be avoided; Due to the purely mechanical clamping force (spring force), no pressurization is necessary during operation, thus increasing operational reliability.
Die Erfindung ist anhand der nachfolgenden Figuren im einzelnen beschrieben. Darin ist im übrigen folgendes dargestellt:The invention is described in detail with reference to the following figures. It also shows the following:
Figur 1 : Querschnitt durch ein schematisch dargestelltesFigure 1: Cross section through a schematically shown
Verbindungsteil zweier Bauteile eines Trennelementes; Figur 2: Querschnitt durch ein schematisch dargestelltesConnecting part of two components of a separating element; Figure 2: Cross section through a schematically shown
Verbindungsteil zweier Bauteile eines Trennelementes mit Schwenkmöglichkeit.Connecting part of two components of a separating element with swivel option.
Figur 1 zeigt den Querschnitt durch ein schematisch dargestelltes Verbindungsteil zweier Bauteile 1 und 2 eines Trennelementes einesFigure 1 shows the cross section through a schematically illustrated connecting part of two components 1 and 2 of a separating element
Mehrschichtenstoffauflaufes. Das Bauteil 1 weist beispielhaft eine maschinenbreit verlaufende, stromabwärtig verengte Nut auf, in der sich eine Leiste 6 mit einer Vielzahl von auf dieser Leiste 6 befestigten Zughalterung 4 auf. Die Zughalterungen 4 greifen mit ihrem konisch erweiterten Ende jeweils in den gegenüberliegenden, am Bauteil 2 vorgesehenen Zughalterungseingnff 8 ein. Das stromaufwärtige Ende des Bauteiles 1 des Trennelements verfügt über eine entsprechende Anzahl von Zughalterungseingriffen, die derart gestaltet sind, daß die Zughalterungen - in an sich bekannter Weise - seitenversetzt in eine Nut eingeführt werden können und danach durch eine Querverschiebung in den engeren Teil derMulti-layer headbox. The component 1 has, for example, a machine-wide, downstream narrowed groove, in which there is a strip 6 with a plurality of tension holders 4 fastened on this strip 6. With their conically widened ends, the tension brackets 4 each engage in the opposite tension bracket entry 8 provided on component 2. The upstream end of component 1 of the separating element has a corresponding number of pull-holder interventions which are designed in such a way that the pull-holders - in a manner known per se - can be inserted laterally offset into a groove and then by a transverse displacement into the narrower part of the
Nut, die den eigentlichen Zughalterungseingnff darstellt, versetzt werden. Das Federelement 3, das hier aus einer Blattfeder besteht und durch das hindurch die Zughalterungen führen, erzeugt auf die Leiste 6 und die Zughalterungen 4 eine elastische, gerichtete Kraft, die das Bauteil 1 an das Bauteil 2 heranzieht. Auf der gegenüberliegenden Seite der Leiste 6 ist in der Nut 7 ein Hydraulikelement in Form eines Druckschlauches 5Groove, which represents the actual Zughalterungsnnff, are displaced. The spring element 3, which here consists of a leaf spring and through which the tension brackets pass, generates an elastic, directed force on the bar 6 and the tension brackets 4, which pulls the component 1 towards the component 2. On the opposite side of the bar 6 there is a hydraulic element in the form of a pressure hose 5 in the groove 7
- 3 - ERSATZBUTT (REGEL 26)
angeordnet, der unter Druck der Federkraft des Federelementes 3 entgegenwirkt und die Verbindung zwischen den Bauteilen soweit frei gibt, daß ein seitliches Verschieben möglich ist und die beiden Bauteile komplett voneinander gelöst werden können.- 3 - REPLACEMENT BUTT (RULE 26) arranged, which counteracts the spring force of the spring element 3 under pressure and releases the connection between the components to the extent that lateral displacement is possible and the two components can be completely detached from one another.
Figur 2 zeigt ebenfalls einen Querschnitt durch ein schematisch dargestelltes Verbindungsteil zweier Bauteile 1 und 2 eines Trennelementes, wobei allerdings eine Schwenkmöglichkeit zwischen den Bauteilen vorgesehen ist. Die Schwenkmöglichkeit wird dadurch realisiert, daß einerseits die Zughalterungseingriffe sich in einem, mit seinerFigure 2 also shows a cross section through a schematically illustrated connecting part of two components 1 and 2 of a separating element, although a pivoting possibility is provided between the components. The pivoting possibility is realized in that, on the one hand, the interventions in the tensioning bracket are in one, with its
Außenfläche zylindrisch ausgeführten Teil 10 befinden, das wiederum selbst in einer quer verlaufenden Rundnut 9 des stromabwärtigen Bauteiles 1 verläuft. Weiterhin ist das stromabwärtige Ende des Bauteiles 2 und das stromaufwärtige Ende des Bauteiles 1 im Bereich der Berührungsflächen 11 koaxial-zylindrisch ausgebildet, so daß eine Schwenkbewegung desAre outer surface of cylindrical part 10, which in turn runs in a transverse groove 9 of the downstream component 1. Furthermore, the downstream end of the component 2 and the upstream end of the component 1 in the area of the contact surfaces 11 are coaxial-cylindrical, so that a pivoting movement of the
Bauteiles 1 um die Achse 12 der koaxial-zylindrischen Berührungsflächen 11 und des zylindrischen Teils 10 ermöglicht wird.
Component 1 around the axis 12 of the coaxial-cylindrical contact surfaces 11 and the cylindrical part 10 is made possible.
Claims
1.1 mindestens einer Zughalterung (4) in einem ersten zu verbindenden Bauteil (2) und1.1 at least one tension bracket (4) in a first component (2) to be connected and
1.2 mindestens einem Zughalterungseingnff (8) in einem zweiten, mit dem ersten zu verbindenden Bauteil (1), dadurch gekennzeichnet, daß1.2 at least one Zughalterungseingnff (8) in a second, to be connected to the first component (1), characterized in that
1.3 mindestens ein Federelement (3) vorgesehen ist, das durch seine Federkraft einen festen Eingriff der Zughalterung (4) im Zughalterungseingnff (8) und damit eine Verbindung der Bauteile (1 und 2) bewirkt und 1.4 mindestens eine Vorrichtung (5), die geeignet ist der Federkraft des1.3 at least one spring element (3) is provided, which causes a firm engagement of the tension bracket (4) in the tension bracket entrance (8) and thus a connection of the components (1 and 2) by its spring force and 1.4 at least one device (5) that is suitable is the spring force of the
Federelementes (3) zumindest kurzzeitig entgegen zu wirken.To counteract spring element (3) at least briefly.
2 Verbindungsvorrichtung gemäß Anspruch 1 , dadurch gekennzeichnet, daß die der Federkraft entgegenwirkende Vorrichtung ein Hydraulik- oder Pneumatikelement ist.2 connecting device according to claim 1, characterized in that the spring force counteracting device is a hydraulic or pneumatic element.
3 Verbindungsvorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, daß das Hydraulik- oder Pneumatikelement ein dehnbarer Schlauch oder ein Kolben ist.3 connecting device according to claim 2, characterized in that the hydraulic or pneumatic element is an expandable hose or a piston.
Verbindungsvorrichtung gemäß einem der Ansprüche 1 -3, dadurch gekennzeichnet, daß an den zu verbindenden Bauteilen (1 und 2) eine Vielzahl von Zughalterungen (4) und Zughalterungseingriffen (8) über die Maschinenbreite verteilt vorgesehen sind.Connecting device according to one of claims 1 -3, characterized in that a plurality of tension brackets (4) and tension bracket interventions (8) are provided on the components (1 and 2) to be connected, distributed over the machine width.
- 5 -- 5 -
ERSATZBUTT (REGEL 26)
Verbindungsvorrichtung gemäß Ansprüche 4, dadurch gekennzeichnet, daß an den zu verbindenden Bauteilen (1 und 2) die Zughalterungen (4) und Zughalterungseingriffe (8) abwechselnd angeordnet sind.REPLACEMENT BUTT (RULE 26) Connecting device according to claims 4, characterized in that the tension brackets (4) and tension bracket interventions (8) are arranged alternately on the components (1 and 2) to be connected.
Verbindungsvorrichtung gemäß einem der Ansprüche 1-5, dadurch gekennzeichnet, daß die Zughalterungen (4) an ihrem Ende ausladender gestaltet sind als an ihrem Anfang und die Zughalterungseingriffe (8) so gestaltet sind, daß der ausladende Teil der Zughalterungen (z.B. Haken oder Verdickung) in ein hierzu geeignetes Formteil eingreift.Connecting device according to one of claims 1-5, characterized in that the pull brackets (4) are designed more cantilevered at their end than at their beginning and the pull-holder interventions (8) are designed such that the cantilevered part of the cable brackets (eg hook or thickening) engages in a suitable molded part.
Verbindungsvorrichtung gemäß einem der Ansprüche 1 -6, dadurch gekennzeichnet, daß die Zughalterungseingriffe (8) in dem zugehörigen Bauteil (1 ) um eine Achse (12) schwenkbar vorgesehen sind und die zu verbindenden Bauteile (1 und 2) zumindest im Bereich der sich berührenden Flächen (11) koaxial-zylindrisch um die Achse (12) ausgebildet sind.Connecting device according to one of claims 1-6, characterized in that the tension holder interventions (8) in the associated component (1) are provided pivotable about an axis (12) and the components (1 and 2) to be connected at least in the area of the contacting one Surfaces (11) are coaxial-cylindrical around the axis (12).
- 6 -- 6 -
ERSATZBUTT (REGEL 26)
REPLACEMENT BUTT (RULE 26)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19652985 | 1996-12-19 | ||
| DE19652985A DE19652985A1 (en) | 1996-12-19 | 1996-12-19 | Simply interchanged separator blade in paper pulp multilayer headbox |
| PCT/DE1997/002503 WO1998027271A1 (en) | 1996-12-19 | 1997-10-25 | Separator for a multilayer headbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0951601A1 true EP0951601A1 (en) | 1999-10-27 |
| EP0951601B1 EP0951601B1 (en) | 2001-04-04 |
Family
ID=7815339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97949854A Expired - Lifetime EP0951601B1 (en) | 1996-12-19 | 1997-10-25 | Separator for a multilayer headbox |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0951601B1 (en) |
| AT (1) | ATE200323T1 (en) |
| DE (2) | DE19652985A1 (en) |
| WO (1) | WO1998027271A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6491793B2 (en) | 2000-11-29 | 2002-12-10 | Metso Paper, Inc. | Arrangement for fastening a turbulence vane to a headbox |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19652985A1 (en) * | 1996-12-19 | 1997-05-22 | Voith Sulzer Papiermasch Gmbh | Simply interchanged separator blade in paper pulp multilayer headbox |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607306A1 (en) * | 1986-03-06 | 1987-09-10 | Voith Gmbh J M | FABRIC OUTLET FOR THE PRODUCTION OF FIBERGLASS FILMS |
| DE3807629A1 (en) * | 1988-03-09 | 1989-09-21 | Escher Wyss Gmbh | DEVICE FOR HOLDING A SEPARATING SLAT |
| DE4402625A1 (en) * | 1994-01-31 | 1994-06-09 | Voith Gmbh J M | Stock inlet flow guide - has an air hose in the mounting for the guide wall to prevent build-up |
| DE19652985A1 (en) * | 1996-12-19 | 1997-05-22 | Voith Sulzer Papiermasch Gmbh | Simply interchanged separator blade in paper pulp multilayer headbox |
| DE19652981A1 (en) * | 1996-12-19 | 1997-05-15 | Voith Sulzer Papiermasch Gmbh | Easily changed separation element of a multi=layer paper pulp headbox |
| DE19652982A1 (en) * | 1996-12-19 | 1997-05-22 | Voith Sulzer Papiermasch Gmbh | Separator blade flush-fit connector in paper pulp multilayer head box |
-
1996
- 1996-12-19 DE DE19652985A patent/DE19652985A1/en not_active Withdrawn
-
1997
- 1997-10-25 EP EP97949854A patent/EP0951601B1/en not_active Expired - Lifetime
- 1997-10-25 WO PCT/DE1997/002503 patent/WO1998027271A1/en active IP Right Grant
- 1997-10-25 DE DE59703322T patent/DE59703322D1/en not_active Expired - Fee Related
- 1997-10-25 AT AT97949854T patent/ATE200323T1/en not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9827271A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6491793B2 (en) | 2000-11-29 | 2002-12-10 | Metso Paper, Inc. | Arrangement for fastening a turbulence vane to a headbox |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19652985A1 (en) | 1997-05-22 |
| EP0951601B1 (en) | 2001-04-04 |
| ATE200323T1 (en) | 2001-04-15 |
| DE59703322D1 (en) | 2001-05-10 |
| WO1998027271A1 (en) | 1998-06-25 |
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