EP2025789B1 - Installation et procédé d'aiguilletage d'une bande non tissée - Google Patents

Installation et procédé d'aiguilletage d'une bande non tissée Download PDF

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Publication number
EP2025789B1
EP2025789B1 EP07015722A EP07015722A EP2025789B1 EP 2025789 B1 EP2025789 B1 EP 2025789B1 EP 07015722 A EP07015722 A EP 07015722A EP 07015722 A EP07015722 A EP 07015722A EP 2025789 B1 EP2025789 B1 EP 2025789B1
Authority
EP
European Patent Office
Prior art keywords
needle
guide
needling
woven web
looms
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.)
Active
Application number
EP07015722A
Other languages
German (de)
English (en)
Other versions
EP2025789A1 (fr
Inventor
Joachim Dr.-Ing. Leger
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.)
Oskar Dilo Maschinenfabrik KG
Original Assignee
Oskar Dilo Maschinenfabrik KG
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 Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to AT07015722T priority Critical patent/ATE485414T1/de
Priority to EP07015722A priority patent/EP2025789B1/fr
Priority to DE502007005419T priority patent/DE502007005419D1/de
Priority to US12/186,576 priority patent/US7975353B2/en
Priority to CN200810135459.7A priority patent/CN101363165B/zh
Publication of EP2025789A1 publication Critical patent/EP2025789A1/fr
Application granted granted Critical
Publication of EP2025789B1 publication Critical patent/EP2025789B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04H18/02—Needling machines with needles
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres

Definitions

  • the invention relates to a system and a method for needling a nonwoven web with a plurality of needle machines arranged one behind the other.
  • Such a plant is for example from the EP 1 644 565 B1 known.
  • this special system several double needle machines are arranged one behind the other. With this system, it is possible to produce patterns or other stitch patterns by adjusting the feed of the nonwoven web and the needle assembly in the various needle boards. The problem is that in each case the needle boards of the individual needling machines must be replaced to produce different stitch patterns.
  • the invention has the object of developing a system and a method for needling a nonwoven web so that different needle images are to produce in a nonwoven web in a flexible and very simple manner.
  • the system for needling a nonwoven web has a plurality of needle machines arranged one behind the other, each with at least one needle bar and a pair of feed rollers and take-off rollers.
  • the needle machines are movable in the conveying direction of the nonwoven web along a guide and lockable to each other in arbitrarily determinable distances.
  • the inventive method for changing the Einich pattern when needling a nonwoven web which is passed through several in the conveying direction of the nonwoven web successively arranged needle machines, the mutual distance of the needle machines along a guide in the conveying direction of the nonwoven web is adjusted and the needle machines are then locked.
  • each needle machine on two eccentric which have the same eccentricities and whose eccentric shafts are coupled to each other for a synchronous movement.
  • the mounted on the eccentric eccentric followers of which at least one carries at least one needle bar, interconnected by at least one movable coupling element.
  • the eccentric followers are formed as an integral unit and the coupling element is formed by a series of parallel juxtaposed slots in the integral unit.
  • the eccentric shafts are arranged at the same height next to each other and the coupling element between the eccentric followers is only in the plane defined by the axes of the eccentric waves plane perpendicular to the shaft axes yielding, transversely to the said plane but stiff.
  • a simple embodiment of the system is realized in that the guide is formed by two rails.
  • a secure and arbitrarily releasable attachment of each needle machine can be achieved by a clamping device which locks the needle machine frictionally on the rails.
  • each needle machine stands on wheels which serve to move along the guide, and the system comprises a control device which controls stepping motors which serve for the controlled movement of the wheels.
  • a control device which controls stepping motors which serve for the controlled movement of the wheels.
  • Fig. 1 shows a schematic view of a system according to the invention for needling a nonwoven web with a plurality of needle machines 1 arranged behind one another.
  • the needle machines 1 are preferably mounted on wheels 16, which are movable along a guide 14, which is formed in the present example as a rail. At least one pair of wheels 16 of each needle machine 1 is driven by a stepper motor, which is controlled by a control device 20.
  • An automatic arrangement of the various needle machines 1 in the respective desired position via the control device 20 is possible. This creates the opportunity to produce different needle images in a particularly flexible and simple way. Moreover, this embodiment is particularly advantageous because maintenance and repair work on each needle machine 1 are very easily possible due to the simple displacement of the needle machines.
  • Fig. 2 shows in section a preferred, simply constructed needle machine 1 for use in the system according to the invention. It can be seen a machine frame, in the head next to each other at the same height two eccentric shafts 2 are rotatably mounted, which are driven in rotation in the same direction, which is indicated by corresponding arrows.
  • the eccentric shafts 2 each have eccentric 3, whose eccentricities have the same size.
  • a plate-shaped machine element 4 which is set in motion by it, is rotatably mounted, which is called here "eccentric follower" and to which a respective needle bar 5 is fastened.
  • the two eccentric followers 4 are formed here as an integral unit.
  • Each needle bar 5 carries a needle board 6, which is equipped with needles 7.
  • each Stichunterlagen 8 over which a nonwoven fiber web 9 is to be tapped, which is transported in operation by means stored in the machine frame, driven feed rollers 10 and take-off rollers 11 through the needle machine.
  • the unit has a lateral extension arm 12 connecting the two eccentric followers 4, in which a plurality of slits arranged substantially parallel to one another are arranged, which extend parallel to the vertical stroke, which adjoins the eccentric followers 4 is caused by the eccentric 3.
  • This plurality of slots forms a resilient coupling element 13 within the boom 12, which in the plane which is spanned by the axes of the eccentric shafts 2, yielding, but is perpendicular to it rigid.
  • the two eccentric 4 are therefore in principle in the horizontal direction against each other movable, so no jamming can occur on the bearings of the eccentric shafts 2.
  • the eccentric follower 4 can yield any bearing clamps occurring by slightly tilting the twin arrangement formed by the two eccentric followers 4 in connection with the elastic coupling on the coupling element 13.
  • the slots that form the coupling element 13, can be easily prepared in the eccentric 4 forming plate by milling or sawing.
  • both eccentric followers 4 follow the orbital motion of the eccentric 3 congruently, so that the tips of the needles 7 describe a circular path lying in the plane of the drawing. They are in the drawing in the left-directed movement component of the eccentric 3 stabbed into the nonwoven fabric 9 to be needled, but pulled out of the nonwoven fabric 9 in the rightward movement component.
  • the needles 7 can always properly pierce into the non-woven fabric 9 to be needled from above and do not tilt during their movement. Clamping on the eccentric shafts 2 can not occur due to the movable coupling.
  • needling machines 1 which ensure a feed, including double needle machines in which above and below the nonwoven web 9 in the machine frame in each case at least one needle assembly of needle-board, needle bar and associated drive means is arranged.
  • Fig. 3 shows examples of simple needle images with punctures 15, which can be generated by the inventive system.
  • Fig. 3a is an example of a needle image that was generated after passing through a needle machine 1.
  • Fig. 3b and 3c show needle pictures on the basis of Fig. 3a after the passage of a second needle machine 1.
  • the feed was 45 mm per vertical stroke of the needle machine
  • the puncture density at Fig. 3a is at about 13 punctures per cm 2
  • Fig. 3b and 3c at approx. 26 punctures per cm 2 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Knitting Machines (AREA)

Claims (9)

  1. Installation d'aiguilletage d'une nappe de non-tissé (9) comprenant plusieurs aiguilleteuses (1) disposées les unes derrière les autres avec respectivement au moins une barre d'aiguilles (5) et une paire de cylindres d'alimentation (10) et de cylindres délivreurs (11), caractérisée en ce que les aiguilleteuses (1) sont mobiles dans la direction de transport de la nappe de non-tissé (9) le long d'une glissière (14) et peuvent être bloquées mutuellement à des distances définissables quelconques.
  2. Installation suivant la revendication 1, caractérisée en ce que chaque aiguilleteuse (1) présente deux excentriques (3), qui présentent les mêmes excentricités et dont les arbres à excentriques (2) sont couplés entre eux pour un mouvement synchrone, et que les suiveurs d'excentriques (4), montés sur les excentriques (3) et dont l'un au moins supporte au moins une barre d'aiguilles (5), sont assemblés entre eux par au moins un élément d'accouplement (13) mobile.
  3. Installation suivant la revendication 2, caractérisée en ce que les suiveurs d'excentriques (4) sont réalisés sous forme d'unité intégrale et l'élément d'accouplement (13) est formé par une rangée de fentes, s'étendant parallèlement les unes à côté des autres, dans l'unité intégrale.
  4. Installation suivant l'une des revendications 2 et 3, caractérisée en ce que les arbres à excentriques (2) sont juxtaposés à la même hauteur et l'élément d'accouplement (13) entre les suiveurs d'excentriques (4) n'est flexible perpendiculairement aux axes des arbres que dans le plan fixé par les axes des arbres à excentriques (2), mais est rigide transversalement au plan cité.
  5. Installation suivant l'une des revendications précédentes, caractérisée en ce que la glissière (14) est formée par deux rails.
  6. Installation suivant la revendication 5, caractérisée en ce que chaque aiguilleteuse (1) présente un dispositif de serrage (18), qui fixe l'aiguilleteuse (1) par force d'adhérence ou par coopération de forme sur les rails (14).
  7. Installation suivant l'une des revendications précédentes, caractérisée en ce que chaque aiguilleteuse (1) est montée debout sur des roues (16), qui servent au déplacement le long de la glissière (14).
  8. Installation suivant la revendication 7, caractérisée en ce que l'installation présente un dispositif de commande (20), qui commande des moteurs pas à pas, qui servent au déplacement contrôlé des roues (16).
  9. Procédé de modification du modèle de piquage lors de l'aiguilletage d'une nappe de non-tissé (9), guidée au travers de plusieurs aiguilleteuses (1) disposées les unes derrière les autres dans la direction de transport de la nappe de non-tissé (9), caractérisé en ce que la distance mutuelle des aiguilleteuses (1) est réglée le long d'une glissière (14) dans la direction de transport de la nappe de non-tissé (9), et les aiguilleteuses (1) sont ensuite bloquées.
EP07015722A 2007-08-09 2007-08-09 Installation et procédé d'aiguilletage d'une bande non tissée Active EP2025789B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT07015722T ATE485414T1 (de) 2007-08-09 2007-08-09 Anlage und verfahren zur vernadelung einer vliesbahn
EP07015722A EP2025789B1 (fr) 2007-08-09 2007-08-09 Installation et procédé d'aiguilletage d'une bande non tissée
DE502007005419T DE502007005419D1 (de) 2007-08-09 2007-08-09 Anlage und Verfahren zur Vernadelung einer Vliesbahn
US12/186,576 US7975353B2 (en) 2007-08-09 2008-08-06 Device and method for needling a nonwoven web
CN200810135459.7A CN101363165B (zh) 2007-08-09 2008-08-07 用于针刺无纺网的装置以及方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07015722A EP2025789B1 (fr) 2007-08-09 2007-08-09 Installation et procédé d'aiguilletage d'une bande non tissée

Publications (2)

Publication Number Publication Date
EP2025789A1 EP2025789A1 (fr) 2009-02-18
EP2025789B1 true EP2025789B1 (fr) 2010-10-20

Family

ID=39434323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07015722A Active EP2025789B1 (fr) 2007-08-09 2007-08-09 Installation et procédé d'aiguilletage d'une bande non tissée

Country Status (5)

Country Link
US (1) US7975353B2 (fr)
EP (1) EP2025789B1 (fr)
CN (1) CN101363165B (fr)
AT (1) ATE485414T1 (fr)
DE (1) DE502007005419D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797114B (zh) * 2012-08-17 2016-09-07 苏州希尔克新材料有限公司 一种用于空气过滤箱的弹性垫条的加工设备和制备工艺
EP3000923A1 (fr) * 2014-03-13 2016-03-30 Oskar Dilo Maschinenfabrik KG Planche a aiguilles
EP3276063B1 (fr) 2015-03-23 2018-09-05 Mitsubishi Chemical Corporation Article formé de fibre inorganique, tapis pour dispositif de nettoyage de gaz d'échappement, et dispositif de nettoyage de gaz d'échappement
FR3063744B1 (fr) * 2017-03-07 2021-06-04 Airbus Safran Launchers Sas Procede d'aiguilletage d'une couche fibreuse
FR3063745B1 (fr) 2017-03-07 2021-06-11 Airbus Safran Launchers Sas Procede de fabrication d'une structure fibreuse aiguilletee

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706056A (en) * 1952-01-23 1955-04-12 United Merchants & Mfg Warp beam truck
NL137082C (fr) * 1962-03-16 1900-01-01
US3574907A (en) * 1969-02-26 1971-04-13 Anvar Device for supporting and handling warp beams in cloth mills
US3810284A (en) * 1973-01-29 1974-05-14 Hunter Machine Co J Needle punching machine for endless webs
US4170676A (en) * 1978-03-22 1979-10-09 National Distillers & Chemical Corporation Process, apparatus and resulting three-layer needled nonwoven fabric
DE29605339U1 (de) * 1996-03-22 1996-06-05 Dornier Gmbh Lindauer Webmaschine mit Warenwickler-Transportwagen
DE19730532A1 (de) * 1997-07-16 1999-01-21 Dilo Kg Maschf Oskar Nadelmaschine
US6003215A (en) * 1998-12-01 1999-12-21 Morrison Berkshire, Inc. Apparatus for replacement of needle boards in a needle loom
GB9827042D0 (en) * 1998-12-09 1999-02-03 Milliken Ind Ltd Non-woven felt
US6145176A (en) * 1999-05-28 2000-11-14 Morrison Berkshire, Inc. Apparatus for replacement and alignment of needle boards in a needle loom
CN1106467C (zh) * 1999-05-28 2003-04-23 林道尔道尼尔股份有限公司 多臂织机上的开口机构的快速更换以及快速更换装置
EP1156146A1 (fr) * 2000-05-15 2001-11-21 Brintons Limited Métier pour tapis
DE10346472A1 (de) * 2003-10-02 2005-05-12 Dilo Kg Maschf Oskar Verfahren und Vorrichtung zum Verfestigen einer Faservliesbahn durch Vernadelung
DE102004043890B3 (de) * 2004-09-08 2006-04-20 Oskar Dilo Maschinenfabrik Kg Nadelmaschine
FI121181B (fi) * 2007-11-07 2010-08-13 Hiroyoshi Kojima Kokoontaitettavat kangaspuut

Also Published As

Publication number Publication date
CN101363165A (zh) 2009-02-11
EP2025789A1 (fr) 2009-02-18
DE502007005419D1 (de) 2010-12-02
US7975353B2 (en) 2011-07-12
ATE485414T1 (de) 2010-11-15
US20090038129A1 (en) 2009-02-12
CN101363165B (zh) 2011-06-15

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