EP1210179B1 - Corps a buses pour produire des jets de liquide extremement fins sur des dispositifs d'enchevetrement par eau, et procede d'entrecroisement par jets - Google Patents

Corps a buses pour produire des jets de liquide extremement fins sur des dispositifs d'enchevetrement par eau, et procede d'entrecroisement par jets Download PDF

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Publication number
EP1210179B1
EP1210179B1 EP00958476A EP00958476A EP1210179B1 EP 1210179 B1 EP1210179 B1 EP 1210179B1 EP 00958476 A EP00958476 A EP 00958476A EP 00958476 A EP00958476 A EP 00958476A EP 1210179 B1 EP1210179 B1 EP 1210179B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
strip
holes
nozzle body
nozzle strip
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.)
Expired - Lifetime
Application number
EP00958476A
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German (de)
English (en)
Other versions
EP1210179A1 (fr
Inventor
Gerold Flaissner
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
Publication of EP1210179A1 publication Critical patent/EP1210179A1/fr
Application granted granted Critical
Publication of EP1210179B1 publication Critical patent/EP1210179B1/fr
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

Definitions

  • the invention relates to a nozzle strip for producing the finest Liquid jets for the interweaving of endless or finite fibers in Material webs made of chemical or natural fibers in nonwovens, tissue, fabrics or Knitted, which is preferably in a cross to the leading web extending, corresponding in length to the width of the web Nozzle bar is mounted liquid-tight, with a in the nozzle bar Liquid pressure up to 1000 bar is generated, which the nozzle strip against a wall of the nozzle bar provided with a flow slot, wherein in the Nozzle strips for generating the liquid jets a variety of in one Distance of 20 - 128 hpi, i.e. very close to each other, in diameter from 0.08 - 0.15 mm, i.e. smallest holes are made.
  • Such a nozzle strip is e.g. B. is known from EP-A-0 725 175. It stretches over a large working width and is generally made of a thin sheet Stainless steel with z. B. mechanically produced holes. This jetstrip or the holes made in these have a tried and tested in practice repeatedly improved geometry, which is very expensive in the manufacturing process. The Wall of the individual nozzle holes up to 0.1 mm in diameter must be extremely smooth, which is why the holes are drilled or punched.
  • the geometry the holes is of particular importance for the formation of the water jet, which is why generally behind a water jet Nozzle cross section is a diffuse, conical part over the height of the nozzle hole connects, also around the water jet formed on the way to the end of the Do not tear the hole open by rubbing against the walls of the hole.
  • the holes are due to the water pressure and also because of the constant abrasion quickly dirty in the edge areas. This produces blurry, out-of-round water jets that only have an unsatisfactory energy in bring the dynamic treatment of the web.
  • the invention has for its object to a nozzle body, a nozzle strip develop in the precisely formed, extremely smooth nozzle holes over the effective length can be generated and the inner surface of which is resistant to abrasion for a long time.
  • these materials are particularly good for laser beam or Spark erosion treatment are suitable.
  • the cut edges when lasering in this material are can be cut smoothly, so that it may even be necessary to rework the holes can be omitted.
  • the result is better for spark erosion and especially good for drilling with diamond drills.
  • the holes for the Nozzle jets into the nozzle body made of these materials by means of laser beams, Spark EDM or a diamond drill.
  • the nozzle body can preferably with its material thickness in full height of the nozzle hole form, that means that the conical extension to be introduced so far to the outlet of the hole is omitted.
  • the holes should have a diameter of 0.08 to 0.15 mm and the hole spacing should be between 20 to 128 hpi in one or two rows lie.
  • the thickness of the nozzle body is between 0.8 and 2 mm. With Advantage, the length of the nozzle holes can also be considerably larger, such as. B. to to 3 mm or more.
  • a particular advantage is given by the idea of the invention in that not to make the whole jet strip from one and the same material needs.
  • a load-bearing material such as B. stainless steel, the other material for the or carry the actual nozzle body. This can only apply to the full area of a single nozzle body.
  • the nozzle strip for larger ones Working widths have several options. Because the hard metal or a ceramic material is very brittle, you could in this material forming the nozzle holes store a more stable frame or the material on a carrier z. B. made of stainless steel muster. The nozzle body could thus be made of the hard materials mentioned over the entire length of the nozzle strip or only as a small to smallest z. B. cylindrical unit made of hard metal, Ceramic or a sapphire can be formed and as a single part on the other strip-shaped trained carrier material such as stainless steel supported and held there his. A large number of these individual nozzle body parts are then immediate to be arranged side by side or in holes provided for this purpose and fastened. The attachment can be done by gluing.
  • the housing of the nozzle bar consists of an upper part 1, which is connected to the lower part 2 is often screwed along the length by the screws 3 from below.
  • the top 1 has two bores 4 and 5, the upper one of which is the pressure chamber 4 and the lower one is the pressure distribution chamber 5. Both chambers are on one end open and screwed tight again through the lid.
  • the two chambers 4 and 5 are separated from one another by an intermediate wall. Over the length of the nozzle bar connect a large number of flow bores 9 in the Intermediate wall, the two chambers, so that the inflowing into the pressure chamber 4 Liquid evenly distributed over the length into the pressure distribution chamber 5 flows out, in which an impact body 20 is additionally held on brackets 21.
  • the pressure distribution chamber is open at the bottom, because of the diameter the bore of the pressure distribution chamber 5 narrow slot 10, which is also extends over the length of the bar.
  • the upper part 1 is screwed to the lower part 2 firmly and in a liquid-tight manner.
  • the tightness is caused by the O-ring 11, which is in an annular groove Upper part 1 lies.
  • a spring projection 23 which fits into a corresponding groove 24 in the lower part 2 is and for the O-ring 12 has a repair groove 26, the outer edges 25 are directed against the edge of the nozzle strip 14.
  • the bottom of the groove 24 of the lower part 2 is again an annular groove in which the O-ring 12 for sealing of the nozzle strip 14 lies.
  • a slot 13 in the lower part 2 introduced, which is only very narrow in its upper area and little more than leaves the width of the effective nozzle openings of the nozzle strip 14 open.
  • Fig. 1 is only in connection with the storage of the nozzle strip, or Nozzle body of importance.
  • the nozzle bar can also look very different, namely as he e.g. in DE-A-199 21 694.
  • the nozzle strip 14 has a certain width for receiving the nozzle holes 30 and for storage above the O-ring 12 is necessary.
  • nozzle bodies as Item 31 manufactured and stored on the nozzle strip 14, then they are in one Recesses 32 of a material receiving the nozzle body 31 held.
  • This material can be that of a separate nozzle strip 33, as shown in FIG. 3 and 5 is shown. This is advantageous in that the recesses 32 through the Nozzle strips 33 can be introduced across.
  • This jet strip will then placed on a carrier strip 34, which in turn holes 35 corresponding to the Arrangement of the nozzle body 31 in alignment and larger in diameter than that has holes 30 provided for shaping the jet, so that the water jets unhindered by the entire strip 14; 33, 34 can flow.
  • the nozzle bodies 31 are made of the hard, resistant material manufacture.
  • the material of the strip 33, 33 ' can be made of stainless steel, that of the carrier strip 34, 34 ', however, also made of a hard, rigid material, such as Tungsten carbide to provide too much elasticity of the long desired in practice Lessen streak.
  • the nozzle body 31 directly to be arranged next to one another on the carrier strip 34 'as in FIGS. 4 and 5 is shown. This allows the jet streams to be generated closer together, as is required in the water needling industry. In any case, it is advantageous to arrange the nozzle body 31 in two rows (FIGS. 2 and 4) offset from one another. To hold the nozzle body 31 in the case of the example according to FIG. 4 no holes are made in the material of the strip 33 ', but only Limits 32 ′ on both sides (possibly circular segments) around the nozzle body 31 to fix laterally.
  • the bores 31, as in the individual nozzle bodies 31, are exactly cylindrical their entire length.
  • the edge of the water inlet hole is sharp and sharp that when water leaks. In any case, there is no conical extension at the exit end of the nozzle hole 30 provided as was previously considered necessary.
  • FIGS. 2-5 The illustration in FIGS. 2-5 is greatly enlarged.
  • the hole spacing should be 20 to 128 be hpi.
  • the diameter of the nozzle body 31 is therefore 1 mm, accordingly the nozzle holes 30 themselves are fine, namely 0.08-0.15 mm.
  • nozzle body 31 as individual parts are mounted on the carrier strips 34, 34 '. It is also possible to strip 33 33 'to produce a total of the hard material and with the nozzle holes 30 directly to be provided and then used alone as a nozzle strip or such to store on the stripes 34, 34 ', which itself is not as brittle and z. B. made of stainless steel is made.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Nozzles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Laser Beam Processing (AREA)
  • Catching Or Destruction (AREA)
  • Hydraulic Turbines (AREA)

Claims (13)

  1. Barre à tuyères (14) pour produire des jets liquides très fins destinés à l'enchevêtrement par rayonnement de fibres continues ou finies de textures constituées de fibres chimiques ou naturelles de nappes, d'étoffes, de tissus ou de tricots, laquelle barre est de préférence située de manière étanche aux liquides dans une poutre à tuyères (1) dont la longueur correspond à la largeur de la texture et qui s'étend transversalement par rapport à la texture à chasse négative, une pression de liquide allant jusqu'à 1000 bars et compressant la barre à tuyères (14) contre une paroi (2) de la poutre à tuyères (1) dotée d'une fente volumétrique (13) ayant été produite et un grand nombre de trous très fins (30) destinés à la production des jets liquides ayant été pratiqués dans les barres à tuyères (14), avec un écartement de 20 - 128 hpi, autrement dit très près les uns des autres, et dans un diamètre de 0,08 à 0,15 mm, caractérisée en ce que un ou plusieurs trou(s) à tuyères (31) a (ont) été disposé(s) dans un corps de la tuyère et en ce que un métal dur ou un matériau a été sélectionné comme matériau pour le corps de la tuyère ou les différents corps de tuyères (31) situés dans la barre à tuyères (14), le métal dur ou le matériau choisi ayant des propriétés semblables ou similaires et le corps de la tuyère ou les différents corps de tuyères ou les différents corps de tuyères (31) est (sont) soutenus via son (leur) extension superficielle tout en étant tenu(s) par un autre matériau (33, 33', 34, 34') comme l'acier spécial.
  2. Barre à tuyères (14) pour produire des jets liquides très fins destinés à l'enchevêtrement par rayonnement de fibres continues ou finies dans des textures constituées de fibres chimiques ou naturelles de nappes, d'étoffes, de tissus ou de tricots, laquelle barre est de préférence située de manière étanche aux liquides dans une poutre à tuyères (1) dont la longueur correspond à la largeur de la texture et qui s'étend transversalement par rapport à la texture à chasse négative, une pression de liquide allant jusqu'à 1000 bars et compressant la barre à tuyères (14) contre une paroi (2) de la poutre à tuyères (1) dotée d'une fente volumétrique (13) ayant été produite et un grand nombre de trous très fins (30) destinés à la production des jets liquides ayant été pratiqués dans les barres à tuyères (14), avec un écartement de 20 - 128 hpi, autrement dit très près les uns des autres, et dans un diamètre de 0,08 à 0,15 mm, caractérisée en ce que un ou plusieurs trou(s) à tuyères (31) a (ont) été disposé (s) dans un corps de la tuyère et en ce que un matériau céramique comme le saphir ou autre a été sélectionné comme matériau pour le corps de la tuyère ou les différents corps de tuyère (31) situés dans la barre à tuyères (14), le matériau céramique choisi ayant des propriétés semblables ou similaires et le corps de la tuyère ou les différents corps de tuyères ou les différents corps de tuyères (31) est (sont) soutenus via son (leur) extension superficielle tout en étant tenu(s) par un autre matériau (33, 33', 34, 34') comme l'acier spécial.
  3. Barre à tuyères selon une des revendications précédentes, caractérisée en ce que un métal dur ou une couche de céramique a été appliqué sur toute la surface d'un support et en ce que cette couche présente uniquement les trous nécessaires pour former les jets d'eau, la couche porteuse présentant une section transversale plus grande n'influençant pas les différents jets d'eau et conçue pour que le jet d'eau puisse passer sans encombres.
  4. Barre à tuyères selon une des revendications précédentes, caractérisée en ce que le corps de tuyère (31) a été conçu sous la forme d'une unité dotée d'une paroi ou cylindrique en métal dur, céramique ou saphir et a été posé sur l'autre matériau de support (34) en forme de bande comme l'acier spécial avant d'y être maintenu.
  5. Barre à tuyères selon la revendication 4, caractérisée en ce que un grand nombre de ces corps de tuyères ont été disposés sur le matériau porteur (34, 34') de telle sorte qu'ils soient très près les uns des autres ou décalés sur deux rangées.
  6. Barre à tuyères selon la revendication 4 ou 5, caractérisée en ce que des évidements (32) ont été prévus dans le matériau porteur (34, 34') afin de recevoir les différents corps de tuyères (31) cylindriques.
  7. Barre à tuyères selon la revendication 5, caractérisée en ce que les évidements sont des segments circulaires ou seulement très proches les uns des autres des cercles propres à chaque corps de tuyères.
  8. Barre à tuyères selon une des revendications 1 à 7, caractérisée en ce que les trous de tuyères ont été brûlés dans le matériau avec un rayon laser.
  9. Barre à tuyères selon une des revendications 1 à 7, caractérisée en ce que les trous de tuyères ont été pratiqués dans le matériau grâce au procédé d'étincelage (érosion par abaissement).
  10. Barre à tuyères selon une des revendications 1 à 7, caractérisée en ce que les trous de tuyères ont été pratiqués dans le matériau avec une foreuse à diamant.
  11. Barre à tuyères selon une des revendications 1 à 10, caractérisée en ce que le lissé sur la surface interne du trou de tuyère (30) est très faible et présente une profondeur d'entaille RA allant jusqu'à 0,01 µ et située de préférence entre 0,01 et 0,2 µ.
  12. Barre à tuyères selon une des revendications précédentes, caractérisée en ce que le trou de tuyère (30) est acutangulaire sur toute sa circonférence, vers la surface du corps de la tuyère (31).
  13. Barre à tuyères selon la revendication 12, caractérisée en ce que la longueur effective du trou de tuyère (30) s'étend sur toute la hauteur de la section transversale du corps de la tuyère.
EP00958476A 1999-09-01 2000-08-21 Corps a buses pour produire des jets de liquide extremement fins sur des dispositifs d'enchevetrement par eau, et procede d'entrecroisement par jets Expired - Lifetime EP1210179B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19941729 1999-09-01
DE19941729A DE19941729A1 (de) 1999-09-01 1999-09-01 Düsenkörper zur Erzeugung von feinsten Flüssigkeitsstrahlen z. B. an Wasservernadelungseinrichtungen
PCT/EP2000/008119 WO2001015812A1 (fr) 1999-09-01 2000-08-21 Corps a buses pour produire des jets de liquide extremement fins sur des dispositifs d'enchevetrement par eau, et procede d'entrecroisement par jets

Publications (2)

Publication Number Publication Date
EP1210179A1 EP1210179A1 (fr) 2002-06-05
EP1210179B1 true EP1210179B1 (fr) 2004-02-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00958476A Expired - Lifetime EP1210179B1 (fr) 1999-09-01 2000-08-21 Corps a buses pour produire des jets de liquide extremement fins sur des dispositifs d'enchevetrement par eau, et procede d'entrecroisement par jets

Country Status (6)

Country Link
EP (1) EP1210179B1 (fr)
JP (1) JP4163872B2 (fr)
AT (1) ATE260142T1 (fr)
AU (1) AU6997600A (fr)
DE (2) DE19941729A1 (fr)
WO (1) WO2001015812A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10047106A1 (de) 2000-09-21 2002-04-11 Fleissner Gerold Düsenkörper zur Erzeugung von feinsten Flüssigkeitsstrahlen an Wasservernadelungseinrichtungen
FR2864670B1 (fr) * 2003-12-29 2007-04-27 A S K Procede de distribution et de personnalisation de tickets a puce sans contact et dispositif associe
US7237308B2 (en) * 2004-06-10 2007-07-03 North Carolina State University Composite hydroentangling nozzle strip and method for producing nonwoven fabrics therewith
DE102004049146A1 (de) * 2004-10-07 2006-04-13 Fleissner Gmbh Wasservernadelungsvorrichtung
JP4998815B2 (ja) * 2005-02-16 2012-08-15 日本電気硝子株式会社 ガラス基板洗浄装置及びガラス基板洗浄方法
DE102005008647A1 (de) * 2005-02-25 2006-08-31 Fleissner Gmbh Düsenbalken mit integrierten Mitteln zur Reinigung sowie Verfahren zur Reinigung eines Düsenbalkens
DE102005012895A1 (de) * 2005-03-21 2006-09-28 Eduard Küsters Maschinenfabrik GmbH & Co. KG Verfahren und Vorrichtung zur Behandlung von faser- oder filamenthaltigen Werkstoffen
DE102005055939B3 (de) * 2005-11-24 2007-02-08 Fleissner Gmbh Düsenbalken in einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
DE102006014428B3 (de) * 2006-03-27 2007-10-18 Küsters Technologie GmbH & Co.KG Verfahren und Vorrichtung zur Behandlung von faser- oder filamenthaltigen Werkstoffen
EP1908855B1 (fr) * 2006-10-06 2009-04-01 Groz-Beckert KG Duse pour le traitement de textile
JP5093851B2 (ja) * 2008-09-08 2012-12-12 ユニチカ株式会社 スパンレース不織布の製造方法
DE102008053178A1 (de) * 2008-10-24 2010-05-12 Dürr Systems GmbH Beschichtungseinrichtung und zugehöriges Beschichtungsverfahren
DE202010009563U1 (de) 2010-06-25 2010-09-09 Groz-Beckert Kg Düsenstreifen für eine Textilbearbeitungsmaschine
DE102016000356A1 (de) 2016-01-14 2017-07-20 Dürr Systems Ag Lochplatte mit reduziertem Durchmesser in einem oder beiden Randbereichen einer Düsenreihe
DE102016000390A1 (de) 2016-01-14 2017-07-20 Dürr Systems Ag Lochplatte mit vergrößertem Lochabstand in einem oder beiden Randbereichen einer Düsenreihe
DE102016119480A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
DE102016119483A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
DE102016119481A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
DE102016119482A1 (de) * 2016-10-12 2018-04-12 TRüTZSCHLER GMBH & CO. KG Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen
JP7007126B2 (ja) * 2017-07-28 2022-01-24 ニッカ株式会社 スプレーバー
CN117306115B (zh) * 2023-11-28 2024-01-26 东华大学 一种无纺布水刺装置及其工作方法

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US4960245A (en) * 1983-01-17 1990-10-02 Electric Power Research Institute Casting nozzle with discharge slot defined by refractory inserts
DE3527205C1 (de) * 1985-07-30 1986-10-16 Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Duese zum Abspruehen von Hochdruckfluessigkeit
US4880168A (en) * 1987-07-13 1989-11-14 Honeycomb Systems, Inc. Apparatus for jetting high velocity liquid streams onto fibrous materials
DE59601476D1 (de) 1995-01-23 1999-04-29 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
US5806155A (en) * 1995-06-07 1998-09-15 International Paper Company Apparatus and method for hydraulic finishing of continuous filament fabrics
DE19921694A1 (de) 1999-05-12 2000-11-16 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen

Also Published As

Publication number Publication date
DE19941729A1 (de) 2001-03-08
JP2003508644A (ja) 2003-03-04
EP1210179A1 (fr) 2002-06-05
DE50005449D1 (de) 2004-04-01
ATE260142T1 (de) 2004-03-15
JP4163872B2 (ja) 2008-10-08
WO2001015812A1 (fr) 2001-03-08
AU6997600A (en) 2001-03-26

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