EP1360360A1 - Verschliesseinheit für den düsenstreifen an einem düsenbalken zur hydrodynamischen vernadelung von fasern einer warenbahn - Google Patents
Verschliesseinheit für den düsenstreifen an einem düsenbalken zur hydrodynamischen vernadelung von fasern einer warenbahnInfo
- Publication number
- EP1360360A1 EP1360360A1 EP02719780A EP02719780A EP1360360A1 EP 1360360 A1 EP1360360 A1 EP 1360360A1 EP 02719780 A EP02719780 A EP 02719780A EP 02719780 A EP02719780 A EP 02719780A EP 1360360 A1 EP1360360 A1 EP 1360360A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- nozzle bar
- strip
- bar according
- closing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims description 3
- 238000003780 insertion Methods 0.000 claims abstract description 40
- 230000037431 insertion Effects 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C29/00—Finishing or dressing, of textile fabrics, not provided for in the preceding groups
Definitions
- the invention relates to a nozzle bar on a device for generating the finest liquid jets for hydrodynamic jet exposure of the fibers of a web guided along the bar, such as fiber web, tissue ect.
- Woven or knitted fabric consisting of an upper part and a lower part extending over the working width of the web, wherein a.
- a round pressure chamber is arranged in cross section, which the pressurized liquid z. B. is supplied at the front, b. parallel to this, a pressure distribution chamber is provided in the lower part, c. the pressure distribution chamber runs out into a liquid outlet slot which is narrow compared to the cross section of the pressure distribution chamber, d.
- a nozzle strip is mounted liquid-tight in the nozzle bar above the liquid outlet slot and e. this nozzle strip is interchangeable via a closable opening on the end face of the nozzle bar.
- a device of this type is disclosed in DE-A-195 01 738, the content of which is incorporated here with the prior art.
- Water pressures of up to 1000 bar are generated in the pressure chamber, which of course also affect the end walls of the nozzle bar.
- one end face must first be open, but then closed with a cover.
- Separate covers are provided for the pressure chamber and also for the pressure distribution chamber, which are fastened to the nozzle bar wall with screws.
- a separate cover is also provided for closing the nozzle strip exchange opening, which is also held on the nozzle bar wall with screws. Round cord rings embedded in the walls to be sealed are used for liquid-tight sealing.
- the invention has for its object to find a solution for a nozzle bar initially mentioned, with which a quick change of the nozzle strip is made possible without mechanical disassembly, without a wrench.
- a closure unit is provided on the closable opening, g) is provided at the level of the nozzle strip bearing point with an insertion slot for the nozzle strip, which h) can be closed by an insertion mandrel.
- the insertion dome can be held by a bolt which is fixed in the closing unit and which, after the water supply and thus the water pressure have been switched off, can easily be pulled out of a bore which fixes the insertion mandrel on the nozzle bar.
- the loss of the bolt can be avoided by securing it to the nozzle bar via a z.
- the insertion mandrel can be pulled out of the closing unit by hand, preferably together with the nozzle strip, and then inserted again after replacement with a new strip with the insertion mandrel.
- a nozzle bar of the type supplemented according to the invention is shown by way of example in the drawing. Show it:
- FIG. 1 shows a section along a conventional nozzle bar
- FIG. 2 shows the end face of the nozzle bar according to FIG. 1
- FIG. 3 shows a section along the line C - C according to FIG. 1 with the view of the lower part of the nozzle bar
- 4 shows a section along the line IV-IV in FIG. 5, namely the one of the two end faces of the nozzle bar according to FIG. 1, now supplemented by a new quick-change device for the nozzle strip
- FIG. 6 shows a section through the closing unit similar to that of FIG. 4 with a different holder of the nozzle strip
- FIG. 7 shows a section similar to that of FIG. 6 with the insertion mandrel pulled out here
- Fig. 8 is a top view of the device of Fig. 6 and
- FIG. 9 shows a schematic representation of the manner in which the nozzle strip is fastened in the quick-change device according to FIG. 6.
- the nozzle bar shown in FIGS. 1-3 is known from DE-A 195 01 738, it can be replaced here by another one which is similar in principle.
- the housing of the nozzle bar consists of an upper part 1, which is screwed to the lower part 2 many times over the length by screws, not shown, from below.
- the upper part 1 has two bores 4 and 5, the upper of which is the pressure chamber 4 and the lower one the pressure distribution chamber 5. Both chambers are open on one end and screwed liquid-tight again through the covers 6 and 7.
- the pressure chamber 4 On the other end face, the pressure chamber 4 has an opening 4 'through which the pressurized liquid is introduced.
- the two chambers 4 and 5 are separated from one another by an intermediate wall 8.
- a large number of flow bores 9 in the intermediate wall 8 connect the two chambers over the length of the nozzle bar, so that the liquid flowing into the pressure chamber 4 flows out evenly distributed over the length into the pressure distribution chamber 5.
- the pressure distribution chamber is open at the bottom, namely through the slot 10 which is narrow in relation to the diameter of the bore of the pressure distribution chamber 5 and which also extends over the length of the beam.
- the upper part 1 is screwed to the lower part 2 firmly and in a liquid-tight manner.
- the tightness is brought about by the O-ring 11, which lies in an annular groove 11 'of the upper part 1.
- the slot 10 encloses a spring projection 23 which is fitted in a corresponding groove 25 in the lower part 2.
- an annular groove 12 ′ is again introduced, in which the O-ring 12 lies to seal the nozzle strip 14.
- a slot 13 is also introduced in the lower part 2, which is only very narrow in its upper region and leaves only a little more than the width of the effective nozzle openings of the nozzle strip 14 open.
- the lower part 2 is screwed together in a liquid-tight manner by a further cover 16 and 17.
- a groove 18, 19 is made at the level of the nozzle strip 14 held in the lower part, into which the nozzle strip 14 extends and can thus easily be gripped for replacement after removal of the cover 16 or 17.
- the screws of which have to be unscrewed when replacing the nozzle strip 14 and laterally stored together with the cover 16, 17, according to FIGS of the nozzle bar projecting closing unit 26 is provided, which enables a quick change of the nozzle strip 14. It consists of a block corresponding to the width of the nozzle bar, which is firmly screwed on one side to the lower part 2 of the nozzle bar via the screws 27, 28 and there has a continuous slot 29 in the middle on this side for pushing through the nozzle strip 14. On the other side, at the same height, there is an insertion slot which is open to the outside and is intended for pushing through the nozzle strip 14 and can be closed again by an insertion mandrel 31.
- the closing unit 26 has a bore 32 which runs from top to bottom and which corresponds to a bore 33 in the insertion mandrel 31 in the inserted state in the insertion opening 30 in alignment.
- the insertion mandrel 31 is fixed to the closing unit 26 and thus to the nozzle bar with the bolt 34 pushed through there.
- the bolt 34 in its bores 32, 33 is easy to handle due to the closing unit 26 protruding from the end face of the nozzle bar.
- the insertion mandrel 31 is through a round cord ring 35 in the insertion opening 30 and the block 26 with its end 26 'extending in the nozzle bars 1, 2 through an annular seal 36 on the end face of the end 26' within the upper part 1 and the lower part 2 of the nozzle bar sealed.
- the quick-change device for the nozzle strip 14 is changed.
- It consists of two spring plates 40, 41 pressed against one another, which are located one above the other and fastened parallel to the nozzle strip 14 on the end face of the insertion mandrel 31.
- the spring plates 40, 41 At the free ends of the spring plates 40, 41, these are bent up according to FIG. 9a.
- a short pin or a hemisphere 42 is fastened to the spring plate 40 lying below and penetrates through a corresponding hole 43 in the upper spring plate 41 when spring plates 40, 41 lie one on top of the other.
- the nozzle strip 14 has at its end a corresponding bore 44 through which the ball 42 of the spring plate 40 penetrates to hold the strip 14 on the insertion mandrel 31.
- the nozzle stiffener 14 is quickly replaced in this way.
- the two spring plates 40, 41 are only to be bent open with the end of the nozzle strip 14 and the changeover process to the arrangement according to FIGS. 9g and h be carried out.
- the bolt 34 ' discontinues to extend not horizontally but horizontally.
- the bolt 34 * thus covers the insertion bores for the screws 27, 28, but these are recessed deeply and hardly need to be replaced.
- the ring 45 which is laterally attached to the closing unit 26, is electrically connected via the wires 46 to the control unit of the nozzle bar, the water pressure of which can only be increased if the closing unit 26 is properly blocked by the bolt 34 '.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10107403 | 2001-02-14 | ||
DE10107403 | 2001-02-14 | ||
DE10112446 | 2001-03-13 | ||
DE10112446A DE10112446A1 (de) | 2001-02-14 | 2001-03-13 | Verschließeinheit für den Düsenstreifen an einem Düsenbalken zur hydrodynamischen Vernadelung von Fasern einer Warenbahn |
PCT/EP2002/001275 WO2002064872A1 (de) | 2001-02-14 | 2002-02-07 | Verschliesseinheit für den düsenstreifen an einem düsenbalken zur hydrodynamischen vernadelung von fasern einer warenbahn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1360360A1 true EP1360360A1 (de) | 2003-11-12 |
EP1360360B1 EP1360360B1 (de) | 2005-07-06 |
Family
ID=26008526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02719780A Revoked EP1360360B1 (de) | 2001-02-14 | 2002-02-07 | Verschliesseinheit für den düsenstreifen an einem düsenbalken zur hydrodynamischen vernadelung von fasern einer warenbahn |
Country Status (9)
Country | Link |
---|---|
US (1) | US6810565B2 (de) |
EP (1) | EP1360360B1 (de) |
JP (1) | JP3977258B2 (de) |
AT (1) | ATE299197T1 (de) |
BR (1) | BR0207224A (de) |
CA (1) | CA2435922A1 (de) |
DK (1) | DK1360360T3 (de) |
TW (1) | TW565639B (de) |
WO (1) | WO2002064872A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4439854B2 (ja) * | 2002-10-08 | 2010-03-24 | 三菱レイヨン・エンジニアリング株式会社 | 加圧蒸気噴出ノズルと同ノズルを用いた不織布の製造方法 |
FR2845934B1 (fr) * | 2002-10-22 | 2004-12-24 | Rieter Perfojet | Dispositif de projection de jets a double obturation. |
DE102004049146A1 (de) * | 2004-10-07 | 2006-04-13 | Fleissner Gmbh | Wasservernadelungsvorrichtung |
DE102005005463A1 (de) * | 2005-02-04 | 2006-08-10 | Fleissner Gmbh | Düsenbalken mit Mitteln zur Einstellung der Arbeitsbreite sowie Verfahren zur Einstellung der Arbeitsbreite eines Düsenstreifens |
DE102006004459B3 (de) * | 2006-01-30 | 2007-06-21 | Fleissner Gmbh | Vorrichtung zum Montieren einer länglichen Dichtung oder eines O-Rings in ein Aufnahmeteil eines Düsenbalkens |
DE502006003337D1 (de) * | 2006-10-06 | 2009-05-14 | Groz Beckert Kg | Düsenstreifen zur Textilbearbeitung |
IT201600082924A1 (it) * | 2016-08-05 | 2018-02-05 | A C M Eng S R L | Dispositivo iniettore per getti d'acqua |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3403862A (en) * | 1967-01-06 | 1968-10-01 | Du Pont | Apparatus for preparing tanglelaced non-woven fabrics by liquid stream jets |
US3613999A (en) * | 1970-04-29 | 1971-10-19 | Du Pont | Apparatus for jetting liquid onto fibrous material |
US4085485A (en) * | 1976-07-26 | 1978-04-25 | International Paper Company | Process and device for forming non-woven fabrics |
US5042722A (en) * | 1987-07-13 | 1991-08-27 | Honeycomb Systems, Inc. | Apparatus for jetting high velocity liquid streams onto fibrous materials |
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 |
DE19501738A1 (de) * | 1995-01-23 | 1996-07-25 | Fleissner Maschf Gmbh Co | Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen |
US5778501A (en) * | 1997-05-29 | 1998-07-14 | Yu-Hau Machinery Co., Ltd. | Water-jet machine for maufacturing non-woven fabric |
DE19745661A1 (de) * | 1997-10-17 | 1999-04-22 | Fleissner Maschf Gmbh Co | Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen |
DE19828118A1 (de) * | 1998-06-24 | 1999-12-30 | Fleissner Maschf Gmbh Co | Vorrichtung mit einem Düsenbalken zur Erzeugung von Flüssigkeitsstrahlen zur Strahlverflechtung von Fasern an einer textilen Bahn |
-
2002
- 2002-02-07 BR BR0207224-6A patent/BR0207224A/pt not_active Application Discontinuation
- 2002-02-07 EP EP02719780A patent/EP1360360B1/de not_active Revoked
- 2002-02-07 AT AT02719780T patent/ATE299197T1/de not_active IP Right Cessation
- 2002-02-07 JP JP2002564176A patent/JP3977258B2/ja not_active Expired - Lifetime
- 2002-02-07 US US10/467,319 patent/US6810565B2/en not_active Expired - Fee Related
- 2002-02-07 DK DK02719780T patent/DK1360360T3/da active
- 2002-02-07 CA CA002435922A patent/CA2435922A1/en not_active Abandoned
- 2002-02-07 WO PCT/EP2002/001275 patent/WO2002064872A1/de not_active Application Discontinuation
- 2002-02-08 TW TW091102355A patent/TW565639B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO02064872A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2435922A1 (en) | 2002-08-22 |
JP3977258B2 (ja) | 2007-09-19 |
EP1360360B1 (de) | 2005-07-06 |
BR0207224A (pt) | 2004-03-09 |
US20040103506A1 (en) | 2004-06-03 |
US6810565B2 (en) | 2004-11-02 |
JP2005502791A (ja) | 2005-01-27 |
DK1360360T3 (da) | 2005-10-31 |
ATE299197T1 (de) | 2005-07-15 |
TW565639B (en) | 2003-12-11 |
WO2002064872A1 (de) | 2002-08-22 |
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