EP2202355A2 - Device for reversible attachment of a strainer strip in an assembly for creating paper - Google Patents

Device for reversible attachment of a strainer strip in an assembly for creating paper Download PDF

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Publication number
EP2202355A2
EP2202355A2 EP09450174A EP09450174A EP2202355A2 EP 2202355 A2 EP2202355 A2 EP 2202355A2 EP 09450174 A EP09450174 A EP 09450174A EP 09450174 A EP09450174 A EP 09450174A EP 2202355 A2 EP2202355 A2 EP 2202355A2
Authority
EP
European Patent Office
Prior art keywords
strip
sieve
support
support bar
displacement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09450174A
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German (de)
French (fr)
Other versions
EP2202355A3 (en
EP2202355B1 (en
Inventor
Klaus Bartelmuss
Heinz Bartelmuss
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Individual
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Individual
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Publication of EP2202355A3 publication Critical patent/EP2202355A3/en
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Publication of EP2202355B1 publication Critical patent/EP2202355B1/en
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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
    • D21F1/48—Suction apparatus
    • D21F1/483—Drainage foils and bars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53526—Running-length work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53539—Means to assemble or disassemble including work conveyor

Definitions

  • the subject invention relates to device for releasably attaching a sieve strip on a support bar in a plant for the production of paper, which plant a wire, further extending transversely to the direction of movement of the wire and in the direction of movement of the wire from each other at a distance Siebleisten, to which the wire for Plant comes, as well as the Siebleisten assigned, also transverse to the direction of movement of the wire belt extending support strips for the Siebleisten, the Siebleisten or the associated support strips in their longitudinal direction with an undercut groove and the support strips or Siebleisten with a cross-section of the undercut groove corresponding spring are formed and the Siebleisten are pushed transversely to the direction of movement of the screen belt on the support rails with play, so that they are releasably secured in their operating position on the support strips.
  • the subject invention is therefore an object of the invention to provide a device by which it is possible to rigidly attach a sill after sliding onto the associated support bar on this, thereby the disadvantages occurring in the known attachment of the sill on the support bar to avoid.
  • This object is achieved in that between the support bar and the sieve a extending in the longitudinal direction of the support bar or the sieve strip terminal strip is provided by the displacement in the longitudinal direction of a transverse adjustment of the sieve against the support bar is effected, whereby the sieve in their Operating position is rigidly connected to the support bar.
  • the support bar and the sieve strip are formed on their side surfaces with associated wedge-shaped surfaces which come into contact with each other by means of a displacement of the terminal strip transverse adjustment of the sill against the support bar to each other, whereby the sill is clamped to the support bar.
  • the terminal block is formed with extending in the longitudinal direction of slots, which are penetrated by bolts attached to the support bar, wherein a transverse displacement of the sill against the support bar is effected by a displacement of the terminal block.
  • extending in the longitudinal direction slots with the longitudinal extension of the sieve strip may include an acute angle of about 3 ° to about 10 °.
  • the terminal block in its the Siebrau and the support bar together verklemmenden end position and or or in the other end position with the support bar latched.
  • the terminal strip is formed with a laterally projecting spring element, which is stretched by a displacement of the terminal block in the direction of jamming of the sieve strip with the support bar and through which the sieve bar to shift transversely to their L josserstrekkung in their jammed with the support bar position is charged.
  • the terminal block can be formed by a plurality of terminal strip parts which can be coupled together.
  • FIG.1 a support bar 1 is shown, on which a sieve strip 2 is to be attached.
  • the support strip 1, which by means of connection flanges 10 or the like. can be fastened to a support frame is formed on its upper side with an undercut strip 11, which serves for fastening the sill 2 to the support strip 1.
  • the screen strip 2 is formed on its side facing the support strip 1 with an undercut groove 21, which is approximately the same cross-section of the bar 11 is formed diametrically opposite, so that the sill 2 by means of the groove 21 can be pushed onto the bar 11, as by the arrow A is indicated, and the sill 2 is fixed to the support bar 1 by means of a tongue and groove joint.
  • the sieve strip 2 is coated on its the Siebband in a plant for paper production facing top with wear elements 20 made of a ceramic material. Furthermore, the sieve strip 2 is formed at its front end with a handle bore 22 for their displacement by means of a tool. Furthermore, the connecting flange 10 with recesses 10a, in which bolts are used for fastening the support strip 1 on the support frame is formed.
  • the sill 2 in the event that it is no longer functional, since e.g. one of the wear elements 20 is damaged, easily replaceable.
  • This terminal strip 3 is formed with extending in its longitudinal direction slots 33 which are penetrated by bolts 13 which protrude from the support bar 1.
  • the terminal strip 3 is slidable by means of the slots 33 passing through bolt 13 between two end positions.
  • the terminal block 3 is formed with a bore 32 for the insertion of a tool for the adjustment.
  • the slots 33 extend opposite the longitudinal direction of the terminal block 3 at an angle of about 6 °.
  • FIG.2 is the position of the sill 2 shown in which it is completely pushed onto the support bar 1.
  • the strip 11 is formed with two inclined surfaces 14 and 15 and on the other hand, located in the screen strip 2 groove 21 with two inclined surfaces 14 and 15 associated inclined surfaces 24 and 25 are formed, wherein in a first end position of the terminal block 3, which in the FIG.1 and FIG.2 is shown, the mutually associated inclined surfaces 14 and 15 and 24 and 25 are slightly spaced from each other.
  • the left side edge 36 of the terminal block 3 is at a distance from the left inner surface 26 of the groove 21. Since thereby the sill 2 relative to the support bar 1 is displaceable, the sill 2 can be pushed onto the support bar 1 or withdrawn from this to be replaced to become.
  • the terminal strip 3 In order to remove the sill 2 of the support strip 1 again, the terminal strip 3 must be moved against the direction of arrow B in its first end position.
  • FIG.4a and FIG.4b as well as in the FIG.5, FIG.5a, FIG.5b and FIG.5c is shown, according to another embodiment, the terminal block 3 is formed with locking slots 34, which is associated with a projecting spring plate 35 latching element 37 which engages in the two end positions of the terminal block 3 in the locking slots 34, whereby the terminal block 3 in its two end positions can be fixed.
  • the terminal block 3 is formed at both ends with locking slots 34 and is slidable from its two sides between the two end positions, depending on their location, the sill 2 is jammed with the support bar 1 or Sieve 2 is opposite the support bar 1 slidably.
  • the terminal strip 3 is formed on its left side edge with a spring element 38, which is tensioned by a displacement of the terminal block 3 in her the sill 2 with the support bar 1 jammed position or which on the sill 2 a pressure in the direction of their deadlock the support strip 1 exercises.
  • the purpose of this spring element 38 is that possible manufacturing tolerances to the effect that the terminal block 3 has indeed arrived in its second end position, but not yet complete deadlock of the sill 2 with the support bar 1 is caused to compensate, i. regardless affect the jamming of the support bar 1 with the sill 2.
  • the terminal block 3 may consist of individual terminal strips parts 3a, 3b, 3c and 3d or other terminal strips parts whose ends are positively coupled with each other, which can be made by means of a set of such terminal block parts arbitrarily long terminal strips. This achieves a simplification in the production, distribution and storage.

Abstract

The device has a terminal strip (3) provided between a strainer strip (1) and sieve strip (2), and is extended in longitudinal direction of the strainer strip and the sieve strip. A cross adjustment of the sieve strip is operated against the strainer strip which displaces into its longitudinal direction. The sieve strip is firmly connected with the strainer strip in its operational position.

Description

Die gegenständliche Erfindung betrifft Einrichtung zur lösbaren Befestigung einer Siebleiste an einer Tragleiste in einer Anlage zur Erzeugung von Papier, welche Anlage ein Siebband, weiters sich quer zur Bewegungsrichtung des Siebbandes erstreckende und in Bewegungsrichtung des Siebbandes voneinander im Abstand befindliche Siebleisten, an welche das Siebband zur Anlage kommt, sowie den Siebleisten zugeordnete, sich gleichfalls quer zur Bewegungsrichtung des Siebbandes erstreckende Tragleisten für die Siebleisten aufweist, wobei die Siebleisten oder die diesen zugeordneten Tragleisten in ihrer Längsrichtung mit einer hinterschnittenen Nut und die Tragleisten oder die Siebleisten mit einer dem Querschnitt der hinterschnittenen Nut entsprechenden Feder ausgebildet sind und die Siebleisten quer zur Bewegungsrichtung des Siebbandes auf die Tragleisten mit Spiel aufschiebbar sind, sodass sie in ihrer Betriebsstellung an den Tragleisten lösbar befestigt sind.The subject invention relates to device for releasably attaching a sieve strip on a support bar in a plant for the production of paper, which plant a wire, further extending transversely to the direction of movement of the wire and in the direction of movement of the wire from each other at a distance Siebleisten, to which the wire for Plant comes, as well as the Siebleisten assigned, also transverse to the direction of movement of the wire belt extending support strips for the Siebleisten, the Siebleisten or the associated support strips in their longitudinal direction with an undercut groove and the support strips or Siebleisten with a cross-section of the undercut groove corresponding spring are formed and the Siebleisten are pushed transversely to the direction of movement of the screen belt on the support rails with play, so that they are releasably secured in their operating position on the support strips.

Bei bekannten Anlagen zur Erzeugung von Papier, welche ein Siebband, weiters sich quer zur Bewegungsrichtung des Siebbandes erstreckende und in Bewegungsrichtung des Siebbandes voneinander im Abstand befindliche Siebleisten, an welche das Siebband zur Anlage kommt, sowie den Siebleisten zugeordnete, sich gleichfalls quer zur Bewegungsrichtung des Siebbandes erstreckende Tragleisten für die Siebleisten aufweisen, sind die Siebleisten in ihrer Längsrichtung mit einer hinterschnittenen Nut ausgebildet und sind die Tragleisten mit einer dem Querschnitt der hinterschnittenen Nut entsprechenden Feder ausgebildet, sodass die Siebleisten quer zur Bewegungsrichtung des Siebbandes auf die Tragleisten mit Spiel aufschiebbar sind, wodurch sie in ihre Betriebsstellung gelangen, in welcher sie an der Tragleiste lösbar befestigt sind. Eine lösbare Befestigung der Siebleisten ist deshalb erforderlich, um diese im Fall, dass sie schadhaft sind, in einfacher Weise ersetzen zu können.In known plants for the production of paper, which a screen belt, further extending transversely to the direction of movement of the wire and located in the direction of movement of the wire from each other at a distance Siebleisten, to which the screen belt comes to rest, as well as the Siebleisten assigned, also transverse to the direction of movement Sieve strips have extending support strips for the Siebleisten, the Siebleisten are formed in their longitudinal direction with an undercut groove and the support bars are formed with a cross-section of the undercut groove corresponding spring, so that the Siebleisten be pushed transversely to the direction of movement of the sieve on the support bars with play, whereby they get into their operating position in which they are releasably secured to the support bar. A detachable attachment of Siebel lists is therefore necessary in order to replace them in the event that they are defective, in a simple manner.

Diese bekannte Art der Befestigung der Siebleisten an den Tragleisten entspricht jedoch deshalb nicht den Erfordernissen, da durch das zwischen der Feder der Tragleiste und der Nut der Siebleiste bestehende Spiel, welches deshalb erforderlich ist, um die Siebleiste auf die Tragleiste aufschieben zu können, die Siebleiste in ihrer auf die Tragleiste aufgeschobenen Stellung an dieser nicht starr befestigt ist, sondern vielmehr eine Beweglichkeit aufweist, welche im Betrieb der Anlage nachteilige Wirkungen bedingt. Einerseits weist hierdurch die Siebleiste gegenüber dem Siebband keine exakte Lage auf, wodurch u.a. die Saugwirkung nicht exakt feststellbar ist, sodass die Papierqualität verschlechtert wird und weiters der Verschleiß der Siebleisten unterschiedlich ist, wodurch die Siebleisten unterschiedliche Standzeiten aufweisen. Zudem können durch die Beweglichkeit der Siebleisten im Betrieb der Anlage Vibrationen auftreten, welche zu Schädigungen der Tragkonstruktion führen können.However, this known type of attachment of the Siebleisten on the support bars therefore does not meet the requirements, as existing by the existing between the spring of the support bar and the groove of the sifting game, which is therefore necessary to postpone the sill on the support bar, the sill in its deferred on the support bar position on this is not rigidly fixed, but rather has a mobility, which causes adverse effects during operation of the system. On the one hand, this means that the sieve strip does not have an exact position relative to the sieve belt, as a result of which, inter alia, the suction effect can not be determined exactly, so that the paper quality is worsened and further the wear of Sieble lists is different, so that the Siebleisten have different life. In addition, by the mobility of the Siebleisten during operation of the system vibrations occur, which can lead to damage to the support structure.

Der gegenständlichen Erfindung liegt somit die Aufgabe zugrunde, eine Einrichtung zu schaffen, durch welche es ermöglicht wird, eine Siebleiste nach dem Aufschieben auf die dieser zugeordnete Tragleiste auf dieser starr zu befestigen, um hierdurch die bei der bekannten Befestigung der Siebleiste auf der Tragleiste auftretenden Nachteile zu vermeiden. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zwischen der Tragleiste und der Siebleiste eine sich in Längsrichtung der Tragleiste bzw. der Siebleiste erstreckende Klemmleiste vorgesehen ist, durch deren Verschiebung in deren Längsrichtung eine Querverstellung der Siebleiste gegenüber der Tragleiste bewirkt wird, wodurch die Siebleiste in ihrer Betriebsstellung mit der Tragleiste starr verbunden wird.The subject invention is therefore an object of the invention to provide a device by which it is possible to rigidly attach a sill after sliding onto the associated support bar on this, thereby the disadvantages occurring in the known attachment of the sill on the support bar to avoid. This object is achieved in that between the support bar and the sieve a extending in the longitudinal direction of the support bar or the sieve strip terminal strip is provided by the displacement in the longitudinal direction of a transverse adjustment of the sieve against the support bar is effected, whereby the sieve in their Operating position is rigidly connected to the support bar.

Vorzugsweise sind die Tragleiste und die Siebleiste an ihren Seitenflächen mit einander zugeordneten keilförmig verlaufenden Flächen ausgebildet, welche durch eine mittels der Verschiebung der Klemmleiste bewirkte Querverstellung der Siebleiste gegenüber der Tragleiste aneinander zur Anlage kommen, wodurch die Siebleiste mit der Tragleiste verklemmt wird.Preferably, the support bar and the sieve strip are formed on their side surfaces with associated wedge-shaped surfaces which come into contact with each other by means of a displacement of the terminal strip transverse adjustment of the sill against the support bar to each other, whereby the sill is clamped to the support bar.

Nach einer bevorzugten Ausführungsform ist die Klemmleiste mit sich in deren Längsrichtung erstreckenden Schlitzen ausgebildet, welche von an der Tragleiste befestigten Bolzen durchsetzt sind, wobei durch eine Verschiebung der Klemmleiste eine Querverstellung der Siebleiste gegenüber der Tragleiste bewirkt wird. Dabei können die in der Klemmleiste vorgesehenen, sich in deren Längsrichtung erstreckenden Schlitze mit der Längserstreckung der Siebleiste einen spitzen Winkel von etwa 3° bis etwa 10° einschließen. Vorzugsweise ist weiters die Klemmleiste in ihrer die Siebleiste und die Tragleiste miteinander verklemmenden Endstellung und bzw. oder in der anderen Endstellung mit der Tragleiste verrastbar.According to a preferred embodiment, the terminal block is formed with extending in the longitudinal direction of slots, which are penetrated by bolts attached to the support bar, wherein a transverse displacement of the sill against the support bar is effected by a displacement of the terminal block. In this case, provided in the terminal strip, extending in the longitudinal direction slots with the longitudinal extension of the sieve strip may include an acute angle of about 3 ° to about 10 °. Preferably, further, the terminal block in its the Siebleiste and the support bar together verklemmenden end position and or or in the other end position with the support bar latched.

Gemäß einer weiteren bevorzugten Ausführungsform ist die Klemmleiste mit einem seitlich abragenden Federelement ausgebildet, welches durch eine Verschiebung der Klemmleiste in Richtung zur Verklemmung der Siebleiste mit der Tragleiste gespannt wird und durch welches die Siebleiste auf Verschiebung quer zu ihrer Längserstrekkung in ihre mit der Tragleiste verklemmte Stellung belastet wird. Weiters kann die Klemmleiste durch mehrere miteinander kuppelbare Klemmleistenteile gebildet sein.According to a further preferred embodiment, the terminal strip is formed with a laterally projecting spring element, which is stretched by a displacement of the terminal block in the direction of jamming of the sieve strip with the support bar and through which the sieve bar to shift transversely to their Längserstrekkung in their jammed with the support bar position is charged. Furthermore, the terminal block can be formed by a plurality of terminal strip parts which can be coupled together.

Der Gegenstand der Erfindung ist nachstehend anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher erläutert. Es zeigen:

FIG.1
eine Tragleiste in einer Anlage zur Papiererzeugung, auf welche eine Siebleiste aufgeschoben wird, und eine erfindungsgemäße Klemmleiste, in axonometrischer Darstellung,
FIG.2
die Tragleiste gemäß FIG.1, auf welche eine Siebleiste vollständig aufge- schoben ist, sowie die Klemmleiste, in axonometrischer Darstellung,
FIG.2a
den Schnitt nach der Ebene IIa-IIa der FIG.2,
FIG.3
die Tragleiste und die auf diese aufgeschobene Siebleiste sowie die Klemmleiste in einer ersten Betriebsstellung, in axonometrischer, teil- weise aufgebrochener Darstellung,
FIG.3a
den Schnitt nach der Ebene IIIa-IIIa der FIG.3,
FIG.4, FIG.4a, FIG.4b
die Tragleiste und die Siebleiste gemäß FIG.1 in unterschiedli- chen gegenseitigen Stellungen, sowie eine Ausführungsvariante der Klemmleiste in zwei unterschiedlichen Betriebsstellungen, jeweils in axonometrischer Darstellung,
FIG.5, FIG.5a, FIG.5b, FIG.5c
ein Detail der Klemmleiste, in unterschiedlichen Betriebs- stellungen, jeweils in einem Längsschnitt,
FIG.6, FIG.6a
ein weiteres Detail der Klemmleiste in zwei verschiedenen Betriebsstel- lungen, jeweils in Draufsicht und teilweise aufgebrochen, und
FIG.7
eine mehrteilige Klemmleiste, in auseinandergezogener axonometrischer Darstellung.
The object of the invention is explained below with reference to exemplary embodiments illustrated in the drawing. Show it:
FIG.1
a support strip in a plant for paper production, on which a sieve strip is pushed, and a terminal strip according to the invention, in axonometric representation,
FIG.2
the support strip according FIG.1 to which a perforated strip is completely pushed, as well as the terminal strip, in axonometric representation,
2A
the section according to the level IIa-IIa of FIG.2 .
FIG.3
the support strip and the sieve strip pushed onto it as well as the clamping strip in a first operating position, in an axonometric, partially broken view,
3a
the section according to the level IIIa-IIIa of FIG.3 .
FIG.4, FIG.4a, FIG.4b
the support bar and the sieve strip according to FIG.1 in different mutual positions, and a variant of the terminal block in two different operating positions, each in axonometric representation,
FIG.5, FIG.5a, FIG.5b, FIG.5c
a detail of the terminal strip, in different operating positions, each in a longitudinal section,
FIG.6, FIG.6a
Another detail of the terminal block in two different operating positions, each in plan view and partially broken, and
FIG.7
a multipart terminal block, in an exploded axonometric view.

In FIG.1 ist eine Tragleiste 1 dargestellt, auf welcher eine Siebleiste 2 befestigt werden soll. Die Tragleiste 1, welche mittels Anschlussflanschen 10 od.dgl. an einem Traggestell befestigbar ist, ist an ihrer Oberseite mit einer hinterschnittenen Leiste 11 ausgebildet, welche zur Befestigung der Siebleiste 2 an der Tragleiste 1 dient. Hierfür ist die Siebleiste 2 an ihrer der Tragleiste 1 zugewandten Seite mit einer hinterschnittenen Nut 21 ausgebildet, welche im Querschnitt dem Querschnitt der Leiste 11 angenähert gegengleich ausgebildet ist, sodass die Siebleiste 2 mittels der Nut 21 auf die Leiste 11 aufschiebbar ist, wie dies durch den Pfeil A angedeutet ist, und die Siebleiste 2 an der Tragleiste 1 mittels einer Nut-Federverbindung befestigt ist. Die Siebleiste 2 ist an ihrer dem Siebband in einer Anlage zur Papiererzeugung zugewandten Oberseite mit Verschleißelementen 20 aus einem keramischen Material beschichtet. Weiters ist die Siebleiste 2 an ihrem vorderen Ende mit einer Griffbohrung 22 für ihre Verschiebung mittels eines Werkzeuges ausgebildet. Weiters ist der Anschlussflansch 10 mit Ausnehmungen 10a, in welche Bolzen zur Befestigung der Tragleiste 1 am Traggestell einsetzbar sind, ausgebildet.In FIG.1 a support bar 1 is shown, on which a sieve strip 2 is to be attached. The support strip 1, which by means of connection flanges 10 or the like. can be fastened to a support frame is formed on its upper side with an undercut strip 11, which serves for fastening the sill 2 to the support strip 1. For this purpose, the screen strip 2 is formed on its side facing the support strip 1 with an undercut groove 21, which is approximately the same cross-section of the bar 11 is formed diametrically opposite, so that the sill 2 by means of the groove 21 can be pushed onto the bar 11, as by the arrow A is indicated, and the sill 2 is fixed to the support bar 1 by means of a tongue and groove joint. The sieve strip 2 is coated on its the Siebband in a plant for paper production facing top with wear elements 20 made of a ceramic material. Furthermore, the sieve strip 2 is formed at its front end with a handle bore 22 for their displacement by means of a tool. Furthermore, the connecting flange 10 with recesses 10a, in which bolts are used for fastening the support strip 1 on the support frame is formed.

Durch diese Art der Befestigung ist die Siebleiste 2, im Fall, dass sie nicht mehr funktionsfähig ist, da z.B. eines der Verschleißelemente 20 beschädigt ist, in einfacher Weise austauschbar.By this type of attachment, the sill 2, in the event that it is no longer functional, since e.g. one of the wear elements 20 is damaged, easily replaceable.

Zwischen der Leiste 11 und der Siebleiste 2 befindet sich eine weitere Leiste, welche, wie dies nachstehend erläutert ist, als Klemmleiste 3 dient. Diese Klemmleiste 3 ist mit sich in ihrer Längsrichtung erstreckenden Schlitzen 33 ausgebildet, welche von Bolzen 13 durchsetzt sind, die von der Tragleiste 1 abragen. Die Klemmleiste 3 ist mittels der die Schlitze 33 durchsetzenden Bolzen 13 zwischen zwei Endstellungen verschiebbar. Auch die Klemmleiste 3 ist mit einer Bohrung 32 für das Einsetzen eines Werkzeuges zu deren Verstellung ausgebildet. Die Schlitze 33 verlaufen gegenüber der Längsrichtung der Klemmleiste 3 in einem Winkel von etwa 6°.There is a further strip between the strip 11 and the screen strip 2, which, as explained below, serves as a terminal strip 3. This terminal strip 3 is formed with extending in its longitudinal direction slots 33 which are penetrated by bolts 13 which protrude from the support bar 1. The terminal strip 3 is slidable by means of the slots 33 passing through bolt 13 between two end positions. Also, the terminal block 3 is formed with a bore 32 for the insertion of a tool for the adjustment. The slots 33 extend opposite the longitudinal direction of the terminal block 3 at an angle of about 6 °.

In FIG.2 ist diejenige Stellung der Siebleiste 2 dargestellt, in welcher sie auf die Tragleiste 1 vollständig aufgeschoben ist. Wie dies weiters aus FIG.2a ersichtlich ist, ist einerseits die Leiste 11 mit zwei Schrägflächen 14 und 15 ausgebildet und ist andererseits die in der Siebleiste 2 befindliche Nut 21 mit zwei den Schrägflächen 14 und 15 zugeordneten Schrägflächen 24 und 25 ausgebildet, wobei in einer ersten Endstellung der Klemmleiste 3, welche in den FIG.1 und FIG.2 dargestellt ist, die einander zugeordneten Schrägflächen 14 und 15 sowie 24 und 25 sich voneinander geringfügig im Abstand befinden. Zudem befindet sich die linke Seitenkante 36 der Klemmleiste 3 im Abstand von der linken Innenfläche 26 der Nut 21. Da hierdurch die Siebleiste 2 gegenüber der Tragleiste 1 verschiebbar ist, kann die Siebleiste 2 auf die Tragleiste 1 aufgeschoben oder von dieser abgezogen werden, um ausgetauscht zu werden.In FIG.2 is the position of the sill 2 shown in which it is completely pushed onto the support bar 1. Like this further 2A It can be seen, on the one hand, the strip 11 is formed with two inclined surfaces 14 and 15 and on the other hand, located in the screen strip 2 groove 21 with two inclined surfaces 14 and 15 associated inclined surfaces 24 and 25 are formed, wherein in a first end position of the terminal block 3, which in the FIG.1 and FIG.2 is shown, the mutually associated inclined surfaces 14 and 15 and 24 and 25 are slightly spaced from each other. In addition, the left side edge 36 of the terminal block 3 is at a distance from the left inner surface 26 of the groove 21. Since thereby the sill 2 relative to the support bar 1 is displaceable, the sill 2 can be pushed onto the support bar 1 or withdrawn from this to be replaced to become.

Sobald die Klemmleiste 3 in Richtung des Pfeiles B verschoben wird, hat dies aufgrund des schrägen Verlaufes der Schlitze 33 zur Folge, dass die Siebleiste 2 in Richtung des Pfeiles C nach links verschoben wird, wodurch deren linke Seitenkante 36 an die dieser gegenüber liegende linke Seitenwand 26 der Nut 21 zur Anlage kommt und bei einer weiteren Verschiebung der Klemmleiste 3 die Siebleiste 2 in Richtung des Pfeiles C verschiebt, sodass die einander zugeordneten Schrägflächen 14 und 24 bzw. 15 und 25 aneinander gepresst werden. Es wird hierzu auf die FIG.3 und FIG.3a verwiesen. Hierdurch wird die Siebleiste 2 mit der Tragleiste 1 verklemmt, wodurch die Siebleiste 2 an der Tragleiste 1 starr befestigt ist.
Ergänzend hierzu wird bemerkt, dass durch die in Richtung des Pfeiles C erfolgende Bewegung des Siebbandes auf die Siebleiste eine in dieser Richtung wirkende Kraftkomponente ausgeübt wird, wodurch die dargestellte Nut-Federverbindung in Richtung auf Erhöhung der Klemmwirkung belastet wird.Once the terminal block 3 is moved in the direction of arrow B, this has due to the oblique course of the slots 33 with the result that the sieve 2 is moved in the direction of arrow C to the left, causing their left side edge 36 to the opposite left side wall 26 of the groove 21 comes to rest and the Siebleiste 2 shifts in a further displacement of the terminal block 3 in the direction of arrow C, so that the mutually associated inclined surfaces 14 and 24 and 15 and 25 are pressed against each other. It is on the FIG.3 and FIG.3a directed. As a result, the sill 2 is jammed with the support bar 1, whereby the sill 2 is rigidly secured to the support bar 1.
In addition thereto, it is noted that a force component acting in this direction is exerted by the movement of the screen belt in the direction of the arrow C, whereby the illustrated tongue and groove connection is loaded in the direction of increasing the clamping action.

Um die Siebleiste 2 von der Tragleiste 1 wieder abziehen zu können, muss die Klemmleiste 3 entgegen der Richtung des Pfeiles B in ihre erste Endstellung verschoben werden.
Wie dies weiters in den FIG.4, FIG.4a und FIG.4b sowie in den FIG.5, FIG.5a, FIG.5b und FIG.5c dargestellt ist, ist gemäß einer weiteren Ausführungsform die Klemmleiste 3 mit Rastschlitzen 34 ausgebildet, welchen ein von einem Federblech 35 abragendes Rastelement 37 zugeordnet ist, welches in den beiden Endstellungen der Klemmleiste 3 in die Rastschlitze 34 einrastet, wodurch die Klemmleiste 3 in ihren beiden Endstellungen fixiert werden kann.In order to remove the sill 2 of the support strip 1 again, the terminal strip 3 must be moved against the direction of arrow B in its first end position.
As further in the FIG.4, FIG.4a and FIG.4b as well as in the FIG.5, FIG.5a, FIG.5b and FIG.5c is shown, according to another embodiment, the terminal block 3 is formed with locking slots 34, which is associated with a projecting spring plate 35 latching element 37 which engages in the two end positions of the terminal block 3 in the locking slots 34, whereby the terminal block 3 in its two end positions can be fixed.

Wie dies weiters aus den FIG.6 und FIG.6a ersichtlich ist, ist nach einer weiteren Ausführungsform die Klemmleiste 3 an beiden ihrer Enden mit Rastschlitzen 34 ausgebildet und ist sie von ihren beiden Seiten her zwischen den beiden Endstellungen verschiebbar, wobei je nach ihrer Lage die Siebleiste 2 mit der Tragleiste 1 verklemmt ist bzw. die Siebleiste 2 gegenüber der Tragleiste 1 verschiebbar ist.As this further from the FIG.6 and FIG.6a it can be seen, according to a further embodiment, the terminal block 3 is formed at both ends with locking slots 34 and is slidable from its two sides between the two end positions, depending on their location, the sill 2 is jammed with the support bar 1 or Sieve 2 is opposite the support bar 1 slidably.

Weiters ist die Klemmleiste 3 an ihrem linken Seitenrand mit einem Federelement 38 ausgebildet, welches durch eine Verschiebung der Klemmleiste 3 in ihre die Siebleiste 2 mit der Tragleiste 1 verklemmenden Stellung gespannt wird bzw. welches auf die Siebleiste 2 einen Druck in Richtung auf deren Verklemmung mit der Tragleiste 1 ausübt. Der Zweck dieses Federelementes 38 besteht darin, allfällige Fertigungstoleranzen dahingehend, dass die Klemmleiste 3 zwar in ihre zweite Endstellung gelangt ist, aber noch keine vollständige Verklemmung der Siebleiste 2 mit der Tragleiste 1 bewirkt wird, auszugleichen, d.h. dessen ungeachtet die Verklemmung der Tragleiste 1 mit der Siebleiste 2 zu bewirken.Furthermore, the terminal strip 3 is formed on its left side edge with a spring element 38, which is tensioned by a displacement of the terminal block 3 in her the sill 2 with the support bar 1 jammed position or which on the sill 2 a pressure in the direction of their deadlock the support strip 1 exercises. The purpose of this spring element 38 is that possible manufacturing tolerances to the effect that the terminal block 3 has indeed arrived in its second end position, but not yet complete deadlock of the sill 2 with the support bar 1 is caused to compensate, i. regardless affect the jamming of the support bar 1 with the sill 2.

Wie dies in FIG.7 dargestellt ist, kann die Klemmleiste 3 aus einzelnen Klemmleistenteilen 3a, 3b, 3c und 3d bzw. auch weiteren Klemmleistenteilen bestehen, deren Enden miteinander formschlüssig kuppelbar sind, wodurch mittels eines Satzes derartiger Klemmleistenteile beliebig lange Klemmleisten hergestellt werden können. Hierdurch wird eine Vereinfachung in der Herstellung, im Vertrieb und in der Lagerhaltung erzielt.Like this in FIG.7 is shown, the terminal block 3 may consist of individual terminal strips parts 3a, 3b, 3c and 3d or other terminal strips parts whose ends are positively coupled with each other, which can be made by means of a set of such terminal block parts arbitrarily long terminal strips. This achieves a simplification in the production, distribution and storage.

Claims (7)

Einrichtung zur lösbaren Befestigung einer Siebleiste (2) an einer Tragleiste (1) in einer Anlage zur Erzeugung von Papier, welche Anlage ein Siebband, weiters sich quer zur Bewegungsrichtung des Siebbandes erstreckende und in Bewegungsrichtung des Siebbandes voneinander im Abstand befindliche Siebleisten (2), an welche das Siebband zur Anlage kommt, sowie den Siebleisten (2) zugeordnete, sich gleichfalls quer zur Bewegungsrichtung des Siebbandes erstreckende Tragleisten (1) für die Siebleisten (2) aufweist, wobei die Siebleisten (2) oder die diesen zugeordneten Tragleisten (1) in ihrer Längsrichtung mit einer hinterschnittenen Nut (21) und die Tragleisten (1) oder die Siebleisten mit einer dem Querschnitt der hinterschnittenen Nut (21) entsprechenden Feder (11) ausgebildet sind und die Siebleisten (2) quer zur Bewegungsrichtung des Siebbandes auf die Tragleisten (1) mit Spiel aufschiebbar sind, sodass sie in ihrer Betriebsstellung an den Tragleisten (1) lösbar befestigt sind, dadurch gekennzeichnet, dass zwischen der Tragleiste (1) und der Siebleiste (2) eine sich in Längsrichtung der Tragleiste (1) bzw. der Siebleiste (2) erstreckende Klemmleiste (3) vorgesehen ist, durch deren Verschiebung in deren Längsrichtung eine Querverstellung der Siebleiste (2) gegenüber der Tragleiste (1) bewirkt wird, wodurch die Siebleiste (2) in ihrer Betriebsstellung mit der Tragleiste (1) starr verbunden wird.Device for the detachable fastening of a sieve strip (2) to a support strip (1) in a plant for the production of paper, which plant is a sieve belt, further extending transversely to the direction of movement of the sieve belt and spaced from each other in the direction of movement of the sieve belt Siebleisten (2), in which the screen belt comes to rest, and the Sieble lists (2) associated, also transverse to the direction of movement of the screen belt extending support strips (1) for the Sieble lists (2), wherein the Sieble lists (2) or the associated support strips (1) in its longitudinal direction with an undercut groove (21) and the support strips (1) or the Siebleisten with a cross-section of the undercut groove (21) corresponding spring (11) are formed and the Sieble lists (2) transversely to the direction of movement of the screen belt on the support strips (1) are pushed with play, so that they are releasably secured in their operating position on the support strips (1), dadu characterized in that between the support strip (1) and the sieve strip (2) in the longitudinal direction of the support bar (1) or the sieve strip (2) extending terminal strip (3) is provided by the displacement in the longitudinal direction, a transverse adjustment of the sieve (2) relative to the support bar (1) is effected, whereby the sieve strip (2) in its operating position with the support bar (1) is rigidly connected. Einrichtung nach Patentanspruch 1, dadurch gekennzeichnet, dass die Tragleiste (1) und die Siebleiste (2) an ihren Seitenflächen mit einander zugeordneten keilförmig verlaufenden Flächen (14, 15; 24, 25) ausgebildet sind, welche durch eine mittels der Verschiebung der Klemmleiste (3) bewirkte Querverstellung der Siebleiste (2) gegenüber der Tragleiste (1) aneinander zur Anlage kommen, wodurch die Siebleiste (2) mit der Tragleiste (1) verklemmt wird.Device according to claim 1, characterized in that the support strip (1) and the sieve strip (2) are formed on their side surfaces with wedge-shaped surfaces (14, 15; 24, 25) assigned to each other, which are separated by means of a displacement of the terminal strip ( 3) effected transverse adjustment of the sieve strip (2) relative to the support strip (1) come into contact with each other, whereby the sieve strip (2) with the support strip (1) is jammed. Einrichtung nach einem der Patentansprüche 1 und 2, dadurch gekennzeichnet, dass die Klemmleiste (3) mit sich in deren Längsrichtung erstreckenden Schlitzen (33) ausgebildet ist, welche von an der Tragleiste (1) befestigten Bolzen (13) durchsetzt sind, wobei durch eine Verschiebung der Klemmleiste (3) eine Querverstellung der Siebleiste (2) gegenüber der Tragleiste (1) bewirkt wird.Device according to one of the claims 1 and 2, characterized in that the clamping strip (3) is formed with slits (33) extending in its longitudinal direction, which are penetrated by bolts (13) fastened to the support strip (1), wherein Displacement of the terminal block (3) a transverse adjustment of the sieve strip (2) relative to the support bar (1) is effected. Einrichtung nach Patentanspruch 3, dadurch gekennzeichnet, dass die in der Klemmleiste (3) vorgesehenen, sich in deren Längsrichtung erstreckenden Schlitze (33) mit der Längserstreckung der Siebleiste (2) einen spitzen Winkel von etwa 3° bis etwa 10°, insbesondere von 6°, einschließen.Device according to claim 3, characterized in that in the clamping strip (3) provided in the longitudinal direction extending slots (33) with the longitudinal extension of the sieve strip (2) an acute angle of about 3 ° to about 10 °, in particular of the 6th °. Einrichtung nach einem der Patentansprüche 1 bis 4, dadurch gekennzeichnet, dass die Klemmleiste (3) in ihrer die Siebleiste (2) und die Tragleiste (1) miteinander verklemmenden Endstellung und bzw. oder in der anderen Endstellung mit der Tragleiste (1) verrastbar ist.Device according to one of the claims 1 to 4, characterized in that the clamping strip (3) in its the sieve strip (2) and the support bar (1) verklemmenden end position and or in the other end position with the support bar (1) can be latched , Einrichtung nach einem der Patentansprüche 1 bis 5, dadurch gekennzeichnet, dass die Klemmleiste (3) mit einem seitlich abragenden Federelement (38) ausgebildet ist, welches durch eine Verschiebung der Klemmleiste (3) in Richtung zur Verklemmung der Siebleiste (2) mit der Tragleiste (1) gespannt wird und durch welches die Siebleiste (2) auf Verschiebung quer zu ihrer Längserstreckung in ihre mit der Tragleiste (1) verklemmte Stellung belastet wird.Device according to one of the claims 1 to 5, characterized in that the clamping strip (3) is formed with a laterally projecting spring element (38), which by displacement of the terminal block (3) in the direction of jamming of the sieve strip (2) with the support bar (1) is tensioned and by which the sieve strip (2) is loaded on displacement transversely to its longitudinal extension in its with the support bar (1) jammed position. Einrichtung nach einem der Patentansprüche 1 bis 6, dadurch gekennzeichnet, dass die Klemmleiste (3) durch mehrere miteinander kuppelbare Klemmleistenteile (3a, 3b, 3c, 3d) gebildet ist.Device according to one of the claims 1 to 6, characterized in that the clamping strip (3) by several mutually engageable clamping strip parts (3a, 3b, 3c, 3d) is formed.
EP09450174A 2008-12-18 2009-09-17 Device for reversible attachment of a strainer strip in an assembly for creating paper Active EP2202355B1 (en)

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JP (1) JP5224140B2 (en)
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DE7423054U (en) * 1973-08-15 1976-05-13 A. Ahlstroem Oy, Noormarkku (Finnland) DEWATERING DEVICE FOR PAPER MACHINES
EP1209284A2 (en) * 2000-11-21 2002-05-29 Voith Paper Patent GmbH Method and device for fixing at least one shaped body provided with abrasive body on a support
EP1245726A1 (en) * 2001-03-29 2002-10-02 Voith Paper Patent GmbH Fastening device
EP1916331A1 (en) * 2006-10-16 2008-04-30 Klaus Bartelmuss Drainage foil for paper production facility

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ES2380306T3 (en) 2012-05-10
EP2202355A3 (en) 2011-06-22
US20100154209A1 (en) 2010-06-24
EP2202355B1 (en) 2012-03-21
US8261434B2 (en) 2012-09-11
CN101748637A (en) 2010-06-23
BRPI0904366A2 (en) 2010-09-21
CN101748637B (en) 2012-01-25
JP2010144319A (en) 2010-07-01
ATE550480T1 (en) 2012-04-15
CA2686287A1 (en) 2010-06-18
CA2686287C (en) 2013-09-03

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