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EP1697571A1 - Suction device for liquids, in particular in hydroentangling machines - Google Patents

Suction device for liquids, in particular in hydroentangling machines

Info

Publication number
EP1697571A1
EP1697571A1 EP04804513A EP04804513A EP1697571A1 EP 1697571 A1 EP1697571 A1 EP 1697571A1 EP 04804513 A EP04804513 A EP 04804513A EP 04804513 A EP04804513 A EP 04804513A EP 1697571 A1 EP1697571 A1 EP 1697571A1
Authority
EP
European Patent Office
Prior art keywords
suction
suction device
tube
slot
flap
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
EP04804513A
Other languages
German (de)
French (fr)
Other versions
EP1697571B1 (en
Inventor
Ullrich MÜNSTERMANN
Roland Schweizer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler Nonwovens GmbH
Original Assignee
Fleissner GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fleissner GmbH filed Critical Fleissner GmbH
Priority to PL04804513T priority Critical patent/PL1697571T3/en
Publication of EP1697571A1 publication Critical patent/EP1697571A1/en
Application granted granted Critical
Publication of EP1697571B1 publication Critical patent/EP1697571B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/682—Needled nonwoven fabric

Definitions

  • the invention relates to a suction device for liquids, in particular water needling machines, in which the suction device is assigned outside more than a water bar for generating liquid jets, consisting of a suction tube with one or more over the working length of the tube arranged axially aligned Absaugo réelleen for each water bar through which the liquid is sucked out of the associated water bar due to the negative pressure generated in the pipe.
  • a device of this type is known from EP-A-1 059 377 or WO 01/79598.
  • each water bar a suction slot, which may also consist of several Absaugo réelleen, is assigned in the suction tube.
  • the suction tube is under negative pressure to dissipate the sprayed liquid.
  • the negative pressure acts on all suction slots in the suction tube.
  • the suction slot is under negative pressure, the associated water bar is turned off. This leads to pressure losses that are to be avoided.
  • the invention has for its object to develop a device with the energy losses are avoided in planned, but disconnected water bar.
  • FIG. 1 in cross-section, a drum for the hydrodynamic needling of a material web with only one nozzle bar, FIG. 2 in cross-section a closing flap on the inside of the suction tube, FIG. 3 in plan view, the flap according to FIG. 2, FIG. 4 in FIG 5 a - c other possible solutions only in principle in cross section, Fig. 6 a - b a longitudinal axis of the suction slot pivotable flap and Fig. 7 a - b laterally of the suction slidable, over the length the suction slit extending locking rail.
  • the suction device consists of a liquid-permeable, rotatably mounted drum 1, on which the material 2 to be needled rests.
  • the drum 1 is assigned here above only a water bar 3, from which the water jets 4 emerge under high pressure and hit the Good 2. Accordingly, a plurality of water bars 3 may be arranged around the drum 1. The sprayed-on water must be sucked off immediately below the material 2.
  • a suction tube 5 is centrally mounted within the drum 1, in whose wall along a surface line extraction holes 6 each water bar 3 are placed assigned. Right and left of these holes 6 are parallel to the surface line radially outside the tube 5 slide strips 7, 8 arranged to determine the width of the suction slot 9 stationary.
  • the suction slot 9 should be designed to be closed for a short time.
  • FIG. 2 shows the suction tube 5, the Absaugo réelleen 6 is assigned to the inside of the tube 5, a laterally displaceable flap 10.
  • This flap 10 is detachably held on the suction tube 5 by means of a bearing 11.
  • the flap 10 is over a 3, a number of articulated arms 12 pivotally mounted such that during pivoting of the articulated arms 12, the flap 10 moves in the direction of the support block 1 1 "on the other side of the suction slot 6.
  • the suction slot 6 is closed by the flap 10.
  • the actuation of the flap movement is made possible by a pressure cylinder 13.
  • FIG. 5 a discloses a pressurized tubing 17 which is longitudinally disposed on one side of the slot 6 and against a support wall 18 on the other side of the slot after inflation with compressed air is movable.
  • a closure of a suction slot can also be done when coaxial on the inside of the suction tube 5 a sealing Verschdorfrohr 19 is disposed rotatable relative to the suction tube 5 and the Verschmonyrohr 19 according to the arrangement of the suction 6 through holes 6 'and after rotation one or the other of Suction slots 6 closing covers.
  • FIGS. 6 and 7 disclose possible solutions which are arranged in the lateral wall 7, 8 of the suction slot 9. 6, in one of the walls 8, a recess 20 is mounted in a pivoting mechanism. This possibly conical lever 21 is mounted along the Absaugschiitzes and pivotable along its axis. This is possible with the axis provided axially inwardly as shown in FIG. 6 a or axially outwardly mounted axis as shown in FIG. 6 b. The pivoting could be done electrically, but other modes are conceivable.
  • Fig. 7 discloses a slide mechanism.
  • a Verschwinschiene 22 along its extension has a passage slot 23 for the extracted liquid.
  • a plurality of piston units 24 are provided, which are preferably hydraulically driven for moving the rail 22 in the recesses 7 ', 8 "in the illustrated position of the suction slot 9 by the rail 22, laterally to the right displaced reaches the passage slot with the suction slot 9 in cover and the function of the suction is guaranteed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • External Artificial Organs (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

The suction unit at a water jet needling machine, to bond nonwoven fabrics and the like, has a suction tube with a number of axially aligned suction openings for each water beam. The suction openings along the whole working width can be closed in relation to their associated water beams, by a shoe moving through the tube without any openings. At the sliding mechanism a closure rail (22) is in horizontal recesses (7',8') in the vertical walls (7,8) flanking the suction slit (9), radially inwards from the cleaning bar, with a slit passage (23) for the extracted water. Piston units (24) are on both sides of the closure rail, along its length, with a hydraulic drive action to push the rail into the recesses.

Description

Fleissner GmbH 21. Oktober 2004Fleissner GmbH October 21, 2004

Absaugvorrichtung für Flüssigkeiten insbesondere an Maschinen zur hydrodynamischen VarnadelungSuction device for liquids, in particular on hydrodynamic needle coring machines

Die Erfindung bezieht sich auf eine Absaugvorrichtung für Flüssigkeiten insbesondere an Wasservernadelungsmaschinen, bei der der Absaugeinrichtung außerhalb mehr als ein Wasserbalken zur Erzeugung von Flüssigkeitsstrahlen zugeordnet ist, bestehend aus einem Absaugrohr mit einem oder mehreren über die Arbeitslänge des Rohres angeordneten, axial ausgerichteten Absaugoffnungen für jeden Wasserbalken, durch die die Flüssigkeit aus dem zugeordneten Wasserbalken aufgrund des im Rohr erzeugten Unterdrucks abgesaugt wird. Eine Vorrichtung dieser Art ist durch die EP-A-1 059 377 oder die WO 01/79598 bekannt.The invention relates to a suction device for liquids, in particular water needling machines, in which the suction device is assigned outside more than a water bar for generating liquid jets, consisting of a suction tube with one or more over the working length of the tube arranged axially aligned Absaugoffnungen for each water bar through which the liquid is sucked out of the associated water bar due to the negative pressure generated in the pipe. A device of this type is known from EP-A-1 059 377 or WO 01/79598.

Es ist üblich einer Vernadelungstrommel mit innen angeordnetem Absaugrohr mehrere Wasserbalken zuzuordnen, wobei jedem Wasserbalken ein Absaugschlitz, der auch aus mehreren Absaugoffnungen bestehen kann, im Absaugrohr zugeordnet ist. Das Absaugrohr ist unter Unterdruck gesetzt, um die aufgespritzte Flüssigkeit abzuführen. Der Unterdruck wirkt auf alle im Absaugrohr eingebrachten Absaugschlitze. In Folge steht auch der Absaugschlitz unter Unterdruck, dessen zugeordneter Wasserbalken ausgeschaltet ist. Dies führt zu Druckverlusten, die zu vermeiden sind.It is common to assign a needling drum with internally arranged suction tube several water bars, each water bar a suction slot, which may also consist of several Absaugoffnungen, is assigned in the suction tube. The suction tube is under negative pressure to dissipate the sprayed liquid. The negative pressure acts on all suction slots in the suction tube. As a result, the suction slot is under negative pressure, the associated water bar is turned off. This leads to pressure losses that are to be avoided.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zu entwickeln, mit der Energieverluste bei vorgesehenen, aber abgeschalteten Wasserbalken vermieden sind.The invention has for its object to develop a device with the energy losses are avoided in planned, but disconnected water bar.

Ausgehend von der Vorrichtung anfangs genannter Art, ist die Lösung der gestellten Aufgaben darin zu sehen, wenn die über die ganze Arbeitsbreite sich erstreckenden Absaugoffnungen mit Bezug auf den einen jeweils zugeordneten Wasserbalken verschließbar ausgebildet sind. Der Schließmechanismus ist auf verschieden Art ausführbar. Mehrere Vorrichtungen der erfindungsgemäßen Art sind in der Zeichnung beispielhaft dargestellt. Es zeigen: Fig. 1 Im Querschnitt eine Trommel zur hydrodynamischen Vernadelung einer Warenbahn mit nur einem Düsenbalken, Fig. 2 im Querschnitt eine Verschließklappe auf der Innenseite des Absaugrohres, Fig. 3 in der Draufsicht die Klappe nach Fig. 2, Fig. 4 im Querschnitt eine Verschließklappe anderer Konstruktion, Fig. 5 a - c andere Lösungsmöglichkeiten jeweils nur prinzipiell im Querschnitt, Fig. 6 a - b eine längs der Achse des Absaugschlitzes verschwenkbare Klappe und Fig. 7 a - b eine seitlich des Absaugschlitzes verschiebbare, über die Länge des Absaugschlitzes sich erstreckende Verschließschiene.Starting from the device of the type mentioned initially, the solution of the stated tasks is to be seen in the fact that over the entire working width extending Absaugoffnungen with respect to a respective associated water bar are formed closed. The locking mechanism can be executed in different ways. Several devices of the type according to the invention are shown by way of example in the drawing. 1 in cross-section, a drum for the hydrodynamic needling of a material web with only one nozzle bar, FIG. 2 in cross-section a closing flap on the inside of the suction tube, FIG. 3 in plan view, the flap according to FIG. 2, FIG. 4 in FIG 5 a - c other possible solutions only in principle in cross section, Fig. 6 a - b a longitudinal axis of the suction slot pivotable flap and Fig. 7 a - b laterally of the suction slidable, over the length the suction slit extending locking rail.

Die Absaugeinrichtung besteht aus einer flüssigkeitsdurchlässigen, drehbar gelagerten Trommel 1 , auf der das zu vernadelnde Gut 2 aufliegt. Der Trommel 1 ist hier oberhalb nur ein Wasserbalken 3 zugeordnet, aus dem die Wasserstrahlen 4 unter Hochdruck austreten und gegen das Gut 2 treffen. Entsprechend können mehrere Wasserbalken 3 rund um die Trommel 1 angeordnet sein. Das aufgespritzte Wasser ist unmittelbar anschließend unterhalb des Gutes 2 jeweils abzusaugen. Dazu ist innerhalb der Trommel 1 zentrisch ein Absaugrohr 5 ortsfest gelagert, in dessen Wandung längs einer Mantellinie Absaugbohrungen 6 jedem Wasserbalken 3 zugeordnet eingebracht sind. Rechst und links dieser Bohrungen 6 sind parallel zu der Mantellinie radial außerhalb des Rohres 5 Gleitleisten 7, 8 zur Bestimmung der Breite des Absaugschlitzes 9 ortsfest angeordnet.The suction device consists of a liquid-permeable, rotatably mounted drum 1, on which the material 2 to be needled rests. The drum 1 is assigned here above only a water bar 3, from which the water jets 4 emerge under high pressure and hit the Good 2. Accordingly, a plurality of water bars 3 may be arranged around the drum 1. The sprayed-on water must be sucked off immediately below the material 2. For this purpose, a suction tube 5 is centrally mounted within the drum 1, in whose wall along a surface line extraction holes 6 each water bar 3 are placed assigned. Right and left of these holes 6 are parallel to the surface line radially outside the tube 5 slide strips 7, 8 arranged to determine the width of the suction slot 9 stationary.

Der Absaugschlitz 9 soll kurzzeitig verschließbar ausgebildet sein. Da gibt es zunächst die Lösung nach der EP-A-1 059 377 mit der auswechselbaren Reinigungsleiste 9" nach Fig. 7a, in der etwa mittig die Absaugoffnungen eingebracht sind. Es ist der Absaugschlitz dort verschließbar, indem man eine Leiste einschiebt, in der die Absaugoffnungen fehlen, also ein massiver Schuh. Dieser Verschluss ist aber nur im Stillstand der Maschine möglich.The suction slot 9 should be designed to be closed for a short time. There is firstly the solution according to EP-A-1 059 377 with the interchangeable cleaning strip 9 "according to Fig. 7a, in which the suction openings are introduced approximately in the center the suction openings are missing, ie a massive shoe, but this closure is only possible when the machine is at a standstill.

Die Fig. 2 zeigt das Absaugrohr 5, dessen Absaugoffnungen 6 auf der Innenseite des Rohres 5 eine seitlich verschiebbare Klappe 10 zugeordnet ist. Diese Klappe 10 ist am Absaugrohr 5 mittels einer Lagerung 11 lösbar gehalten. Die Klappe 10 ist über eine aus Fig. 3 ersichtliche Anzahl von Gelenkarmen 12 schwenkbar derart gelagert, dass beim Verschwenken der Gelenkarme 12 die Klappe 10 sich in Richtung des Stützblocks 1 1 " auf der anderen Seite des Absaugschlitzes 6 bewegt. Damit ist der Absaugschlitz 6 durch die Klappe 10 verschlossen. Die Betätigung der Klappenbewegung ist durch einen Druckzylinder 13 ermöglicht.2 shows the suction tube 5, the Absaugoffnungen 6 is assigned to the inside of the tube 5, a laterally displaceable flap 10. This flap 10 is detachably held on the suction tube 5 by means of a bearing 11. The flap 10 is over a 3, a number of articulated arms 12 pivotally mounted such that during pivoting of the articulated arms 12, the flap 10 moves in the direction of the support block 1 1 "on the other side of the suction slot 6. Thus, the suction slot 6 is closed by the flap 10. The actuation of the flap movement is made possible by a pressure cylinder 13.

Bei der Lösung nach der Fig. 4 hält die Lagerung 1 1 eine in Richtung des DoppelpfeilsIn the solution according to FIG. 4, the bearing 1 1 holds in the direction of the double arrow

14 auch aufwärts schwenkbare Klappe 10', die den Absaugschlitz 6 mit einem Gegenprofil 11 ' verschließt. Die Betätigung der Klappe 10" kann durch einen Druckschlauch14 also upwardly pivotable flap 10 ', which closes the suction slot 6 with a counter-profile 11'. The operation of the flap 10 "can by a pressure hose

15 erfolgen, der über die Länge des Absaugschlitzes 5 in der Lagerung 1 1 gehalten ist. Steht er unter Luftdruck so dehnt er sich aus und bewegt die Klappe 10' mit dem freien Ende nach oben zum Verschließen des Absaugschlitzes 6.15 take place, which is held over the length of the suction slot 5 in the storage 1 1. If he is under atmospheric pressure, he expands and moves the flap 10 'with the free end up to close the suction slot. 6

In einer einfacheren, prinzipmäßig dargestellten Lösung ist gemäß Fig. 5 a auf der Innenseite des Absaugrohres lediglich eine Längsklappe 16 vorgesehen, die mit einem nicht dargestellten Mechanismus zum Verschließen aufwärts gegen die Öffnung 6 bewegbar ist. Die Fig. 5 b offenbart wiederum einen unter Druck zu setzenden Schlauch 17, der auf der einen Seite des Schlitzes 6 längs angeordnet und gegen eine Stützwandung 18 auf der anderen Seite des Schlitzes nach Aufblasen mit Druckluft bewegbar ist. Ein Verschluss eines Absaugschlitzes kann aber auch erfolgen, wenn auf der Innenseite des Absaugrohres 5 koaxial ein abdichtendes Verschließrohr 19 verdrehbar gegenüber dem Absaugrohr 5 angeordnet ist und das Verschließrohr 19 entsprechend der Anordnung der Absaugschlitze 6 Durchgangsöffnungen 6' aufweist und nach Drehung das eine oder andere der Absaugschlitze 6 schließend abdeckt.In a simpler solution shown in principle, only one longitudinal flap 16 is provided according to FIG. 5 a on the inside of the suction tube, which is movable with a mechanism, not shown, for closing up against the opening 6. Fig. 5 b in turn discloses a pressurized tubing 17 which is longitudinally disposed on one side of the slot 6 and against a support wall 18 on the other side of the slot after inflation with compressed air is movable. But a closure of a suction slot can also be done when coaxial on the inside of the suction tube 5 a sealing Verschließrohr 19 is disposed rotatable relative to the suction tube 5 and the Verschließrohr 19 according to the arrangement of the suction 6 through holes 6 'and after rotation one or the other of Suction slots 6 closing covers.

Die Figuren 6 und 7 offenbaren Lösungsmöglichkeiten, die in den seitlichen Wandung 7, 8 des Absaugschlitzes 9 angeordnet sind . Nach Fig. 6 ist in einer der Wandungen 8 eine Aussparung 20 in der ein Verschwenkmechanismus gelagert ist . Dieser ggf. konisch ausgebildete Hebel 21 ist längs des Absaugschiitzes gelagert und längs seiner Achse verschwenkbar. Dies ist möglich mit der achsial einwärts vorgesehenen Achse gemäß Fig. 6 a oder achsial auswärts gelagerten Achse gemäß Fig. 6 b. Die Verschwenkung könnte elektrisch erfolgen, aber auch andere Betriebsarten sind denkbar. Die Fig. 7 offenbart ein Schiebemechanismus. Radial einwärts der Reinigungsleiste 9' ist senkrecht zum Absaugschlitz 9 in beidseitig in die Wandungen 7, 8 eingebrachten Aussparungen 7', 8' eine Verschließschiene 22 vorgesehen, die längs ihrer Erstreckung einen Durchtrittsschlitz 23 für die abgesaugte Flüssigkeit aufweist. Auf beiden Seiten längs über die Verschließschiene 22 sind mehrere Kolbeneinheiten 24 vorgesehen, die zum Verschieben der Schiene 22 in den Aussparungen 7', 8" vorzugsweise hydraulisch angetrieben sind. In der dargestellten Stellung ist der Absaugschlitz 9 durch die Schiene 22 versprerrt, seitlich nach rechts verschoben gelangt der Durchtrittsschlitz mit dem Absaugschlitz 9 in Deckung und die Funktion der Absaugung ist gewährleistet. FIGS. 6 and 7 disclose possible solutions which are arranged in the lateral wall 7, 8 of the suction slot 9. 6, in one of the walls 8, a recess 20 is mounted in a pivoting mechanism. This possibly conical lever 21 is mounted along the Absaugschiitzes and pivotable along its axis. This is possible with the axis provided axially inwardly as shown in FIG. 6 a or axially outwardly mounted axis as shown in FIG. 6 b. The pivoting could be done electrically, but other modes are conceivable. Fig. 7 discloses a slide mechanism. Radially inwardly of the cleaning strip 9 'is perpendicular to the suction slot 9 in both sides in the walls 7, 8 recesses 7', 8 'provided a Verschließschiene 22 along its extension has a passage slot 23 for the extracted liquid. On both sides along the Verschließschiene 22 a plurality of piston units 24 are provided, which are preferably hydraulically driven for moving the rail 22 in the recesses 7 ', 8 "in the illustrated position of the suction slot 9 by the rail 22, laterally to the right displaced reaches the passage slot with the suction slot 9 in cover and the function of the suction is guaranteed.

Claims

Fleissner GmbH 21. Oktober 2004P a t e n t a n s p r ü c h e : Fleissner GmbH October 21, 2004Patent claim: 1 . Absaugvorrichtung für Flüssigkeiten insbesondere an Wasservernadelungsma- schinen, bei der der Absaugeinrichtung außerhalb mehr als ein Wasserbalken (3) zur Erzeugung von Flüssigkeitsstrahlen zugeordnet ist, bestehend aus einem Absaugrohr (5) mit einem oder mehreren über die Arbeitslänge des Rohres (5) angeordneten, axial ausgerichteten Absaugoffnungen (6) für jeden Wasserbalken (3), durch die die Flüssigkeit aus dem zugeordneten Wasserbalken (3) aufgrund des im Rohr (5) erzeugten Unterdrucks abgesaugt wird, dadurch gekennzeichnet, dass die über die ganze Arbeitsbreite sich erstreckenden Absaugoffnungen (6) mit Bezug auf den einen jeweils zugeordneten Wasserbalken (3) verschließbar ausgebildet sind.1 . Suction device for liquids, in particular on water needling machines, in which the suction device is assigned outside more than one water bar (3) for generating liquid jets, consisting of a suction tube (5) with one or more over the working length of the tube (5) arranged axially aligned Absaugoffnungen (6) for each water bar (3) through which the liquid from the associated water bar (3) due to the negative pressure generated in the tube (5) is sucked off, characterized in that over the entire working width extending Absaugoffnungen (6) with respect to the one respective associated water bar (3) are formed closable. 2. Absaugvorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Verschluss während des Betriebs der Einrichtung in Aktion versetzbar ist.2. Suction device according to claim 1, characterized in that the closure during operation of the device in action is displaceable. 3. Absaugvorrichtung nach Anspruch 1 mit einem den Absaugspalt definierbaren Schuh, der in das Absaugrohr längs einschiebbar ist, dadurch gekennzeichnet, dass der Schuh verschlossen ist, also keine Absaugoffnungen enthält.3. Suction device according to claim 1 with a Absaugspalt definable shoe, which is longitudinally inserted into the suction tube, characterized in that the shoe is closed, so contains no Absaugoffnungen. 4. Absaugvorrichtung nach Anspruch 1 - 2, dadurch gekennzeichnet, dass der Verschließmechanismus der Absaugoffnungen auf der Innenseite des Absaugrohres (5) vorgesehen ist.4. Suction device according to claim 1 - 2, characterized in that the closing mechanism of Absaugoffnungen on the inside of the suction tube (5) is provided. 5. Absaugvorrichtung nach Anspruch 1 - 2, dadurch gekennzeichnet, dass der Verschließmechanismus in dem Material des/r den Absaugschlitz bildenden Wandung/en (7, 8) vorgesehen ist. 5. Suction device according to claim 1 - 2, characterized in that the closing mechanism in the material of / s the suction slit forming wall / s (7, 8) is provided. 6. Absaugeinrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Absaugoffnungen (6) durch eine quer über die Absaugoffnungen bewegbare Klappe (10, 10', 16) verschließbar sind.6. Suction device according to claim 4 or 5, characterized in that the Absaugoffnungen (6) by a transversely across the Absaugoffnungen movable flap (10, 10 ', 16) are closable. 7. Absaugeinrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Klappe (10) über die Arbeitslänge des Absaugschiitzes (6) mehrfach auf der einen Seite des Absaugschiitzes (6) angelenkt und parallel verschiebbar gelagert ist.7. Suction device according to claim 6, characterized in that the flap (10) over the working length of Absaugschiitzes (6) is hinged several times on one side of the Absaugschiitzes (6) and mounted displaceably parallel. 8. Absaugvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Achse der Klappe (21) parallel zum Absaugschlitz (9) verläuft und die Klappe hin und her verschwenkbar gelagert ist.8. Suction device according to claim 6, characterized in that the axis of the flap (21) parallel to the suction slot (9) and the flap is pivotally supported back and forth. 9. Absaugvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Achse radial einwärts in der Wandung angeordnet ist und die Klappe sich radial auswärts erstreckt (Fig. 6a).9. Suction device according to claim 8, characterized in that the axis is arranged radially inwardly in the wall and the flap extends radially outwardly (Fig. 6a). 10. Absaugvorichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Achse radial auswärts in der Wandung angeordnet ist und die Klappe sich radial einwärts erstreckt (Fig. 6b).10. Absaugvorichtung according to claim 8, characterized in that the axis is arranged radially outwardly in the wall and the flap extends radially inwardly (Fig. 6b). 1 1 . Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verschließmechanismus pneumatisch (13, 15, 17) aktivierbar ist.1 1. Suction device according to one of the preceding claims, characterized in that the closing mechanism can be activated pneumatically (13, 15, 17). 12. Absaugvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verschließmechanismus (22, 23) hydraulisch (24) aktivierbar ist12. Suction device according to one of the preceding claims, characterized in that the closing mechanism (22, 23) hydraulically (24) is activated 13. Absaugvorrichtung nach Anspruch 1 1 , dadurch gekennzeichnet, dass der Verschließmechanismus durch einen längs des Absaugschiitzes (6) angeordneten, aufblasbaren Schlauch (15, 17) aktivierbar ist.13. Suction device according to claim 1 1, characterized in that the closing mechanism by an along the Absaugschiitzes (6) arranged, inflatable tube (15, 17) is activated. 14. Absaugeinrichtung nach Anspruch 13, dadurch gekennzeichnet, dass eine Klappe (10') durch den Schlauch (15) vor den Absaugschlitz (6) bewegbar ist. 14. Suction device according to claim 13, characterized in that a flap (10 ') through the hose (15) in front of the suction slot (6) is movable. 15. Absaugvorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass der Schlauch (17) auf der einen Seite des Absaugschiitzes (6) angeordnet und zum Verschließen des Schlitzes (6) quer über den Absaugschlitz gegen eine Stützwandung (18) aufblasbar ist.15. Suction device according to claim 13, characterized in that the hose (17) arranged on one side of Absaugschiitzes (6) and for closing the slot (6) across the suction slot against a support wall (18) is inflatable. 16. Absaugvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass auf der Innenseite des Absaugrohres (5) koaxial ein abdichtendes Verschließrohr (19) verdrehbar gegenüber dem Absaugrohr (5) angeordnet ist, das Verschließrohr (19) entsprechend der Anordnung der Absaugschlitze (6) Durchgangsöffnungen (6') aufweist und nach Drehung das eine oder andere der Absaugschlitze (6) schließend abdeckt.16. Suction device according to claim 4, characterized in that on the inside of the suction tube (5) coaxially a sealing Verschließrohr (19) rotatable relative to the suction tube (5) is arranged, the Verschließrohr (19) corresponding to the arrangement of the suction slots (6) through holes (6 ') and after rotation covers one or the other of the suction slots (6) closing. 17. Absaugvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass in den Wandungen (7, 8) des Absaugschiitzes (9) eine seitlich hin und her verschiebbare Verschließschiene (22) mit Durchflussschlitz (23) längs des Absaugschiitzes (9) angeordnet ist, wobei der Durchflussschlitz (23) entweder mit dem Absaugschlitz (9) fluchtet oder verschoben nicht fluchtet, also abgedeckt ist und damit den Absaugschlitz verschließt.17. Suction device according to claim 5, characterized in that in the walls (7, 8) of Absaugschiitzes (9) a laterally displaceable Verschließschiene (22) with flow slot (23) along the Absaugschiitzes (9) is arranged, wherein the Flow slot (23) either with the suction slot (9) is aligned or displaced not aligned, so is covered and thus closes the suction slot. 18. Absaugvorrichtung nach Anspruch 17, dadurch gekennzeichnet, dass an die Verschließschiene (22) über ihre Länge mehrfach und beidseitig aktivierbare Druckkoben (24) angeschlossen und in den Wandungen (7, 8) des Absaugschiitzes (9) gelagert sind. 18. Suction device according to claim 17, characterized in that connected to the Verschließschiene (22) over its length repeatedly and on both sides activatable Druckkoben (24) and in the walls (7, 8) of Absaugschiitzes (9) are stored.
EP20040804513 2003-12-18 2004-11-04 Suction device for liquids, in particular in hydroentangling machines Expired - Lifetime EP1697571B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04804513T PL1697571T3 (en) 2003-12-18 2004-11-04 Suction device for liquids, in particular in hydroentangling machines

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10359916 2003-12-18
DE200410030918 DE102004030918A1 (en) 2003-12-18 2004-06-25 Suction unit for a water needle jet system, to bond nonwoven fabrics and the like, has a sliding mechanism to close the suction openings at water beams not in use
PCT/EP2004/052809 WO2005059217A1 (en) 2003-12-18 2004-11-04 Suction device for liquids, in particular in hydroentangling machines

Publications (2)

Publication Number Publication Date
EP1697571A1 true EP1697571A1 (en) 2006-09-06
EP1697571B1 EP1697571B1 (en) 2009-02-11

Family

ID=34702003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040804513 Expired - Lifetime EP1697571B1 (en) 2003-12-18 2004-11-04 Suction device for liquids, in particular in hydroentangling machines

Country Status (9)

Country Link
US (1) US7657982B2 (en)
EP (1) EP1697571B1 (en)
JP (1) JP2007514875A (en)
CN (1) CN1894454B (en)
AT (1) ATE422574T1 (en)
DE (2) DE102004030918A1 (en)
ES (1) ES2319658T3 (en)
PL (1) PL1697571T3 (en)
WO (1) WO2005059217A1 (en)

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Also Published As

Publication number Publication date
JP2007514875A (en) 2007-06-07
ES2319658T3 (en) 2009-05-11
DE102004030918A1 (en) 2005-07-21
WO2005059217A1 (en) 2005-06-30
CN1894454B (en) 2011-06-08
PL1697571T3 (en) 2009-07-31
EP1697571B1 (en) 2009-02-11
CN1894454A (en) 2007-01-10
US20080168636A1 (en) 2008-07-17
US7657982B2 (en) 2010-02-09
ATE422574T1 (en) 2009-02-15
DE502004008988D1 (en) 2009-03-26

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