EP2344688A1 - Dispositif pour la fabrication d'un non-tissé - Google Patents

Dispositif pour la fabrication d'un non-tissé

Info

Publication number
EP2344688A1
EP2344688A1 EP09748102A EP09748102A EP2344688A1 EP 2344688 A1 EP2344688 A1 EP 2344688A1 EP 09748102 A EP09748102 A EP 09748102A EP 09748102 A EP09748102 A EP 09748102A EP 2344688 A1 EP2344688 A1 EP 2344688A1
Authority
EP
European Patent Office
Prior art keywords
producing
spinning beam
filaments
spunbonded fabric
melt
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
EP09748102A
Other languages
German (de)
English (en)
Other versions
EP2344688B1 (fr
Inventor
Günter SCHÜTT
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co 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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2344688A1 publication Critical patent/EP2344688A1/fr
Application granted granted Critical
Publication of EP2344688B1 publication Critical patent/EP2344688B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/02—Spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—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 by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random

Definitions

  • the invention relates to a device for producing a spunbonded nonwoven according to the preamble of claim 1.
  • nonwovens In the production of nonwovens according to the invention, a plurality of filaments are extruded from a polymer melt, formed into a sheet on an air-permeable screen belt and at the same time transported away from the screen belt.
  • a generic device is described in the patent DE 199 13 162 Cl.
  • molten polymer fed from an extruder is first spun into a plurality of strands in a spinning beam through one or more rows of nozzle bores and fiberized into fine filaments of finite length immediately after exiting the nozzle bores from an air stream fed through a nozzle.
  • the filaments exit the air nozzle at high speed and impinge on a screen belt provided at a certain distance, where the filaments form into a sheet. In the area between the air nozzle and the screen belt, a cooling of the filaments takes place.
  • the conveying direction of the filaments is vertical between the spinning beam, air nozzle and sieve belt.
  • the wire which is designed as a conveyor belt
  • the forming fleece is removed, the orientation and conveying direction of the wire is horizontal.
  • Below the screen belt suction is provided, which supports the formation of the web and in particular for the removal of the filaments accompanying air flow provides.
  • the vertical impact of the filaments on the wire belt at high speed usually produces a high-density web. Many process parameters are predetermined by the structure of the device and therefore allow a variation of the product within narrow limits.
  • DE 199 13 162 Cl provides a screen belt which is adjustable in height and inclination.
  • this solution leads to a high construction cost and also has the disadvantage that the downstream of the wire belt assemblies must also be adjusted.
  • the object is achieved by a device with the features of claim 1. Further developments of the invention are defined by the features and feature combinations of the subclaims.
  • the simple adaptability to different process parameters and thus to different products is achieved in that the spinning beam is pivotable together with the blowing device about a horizontal axis.
  • the axis is aligned perpendicular to the conveying direction of the wire, so that by pivoting about the axis of the point of impact of the filaments on the wire in the conveying direction is changeable.
  • the essential effect which causes a higher airiness of the nonwoven, comes from the angle at which the filaments strike the screen belt or the already partially formed web.
  • the angle has an influence on the three-dimensional constricting confusion of the filaments in the fleece.
  • the spinning beam is arranged together with the blowing device in a pivoting unit which is pivotable about a pivot axis.
  • the pivoting range between + 45 ° and - 45 ° relative to the vertical, since in this area the great effect on the airiness of the web is expected.
  • a further preferred embodiment variant is the suction, which is provided below the screen belt, in the pivoting direction and thus adjustable in the conveying direction.
  • this makes it possible to adapt the center of gravity of the vacuum profile forming below the sieve belt to the impact point of the filaments.
  • the pivot axis is identical or at least close to the center of gravity axis of the pivot unit or the spinning beam and the blowing device. As a result, low adjustment forces are required.
  • means are provided for changing the distance between the spinning beam and the wire belt.
  • this makes sense in order to compensate for the higher throwing distance of the filaments in the case of a pivoted pivoting unit; on the other hand, a further changeable process parameter is thus available.
  • the spinning beam and the blowing device are connected to the melt feed and the compressed air feed with flexible supply lines.
  • a flexible supply line is understood as meaning, for example, a flexible pipe or hose connection, but also a fixed pipe connection with rotary unions. This allows for easy adjustment during operation, so that the effect of changing the process parameters can be easily checked on the product.
  • the type and design of the flexible supply lines can be determined by a person skilled in the art.
  • the erfmdungssiee combination of spinning beam and B las device can be provided in an embodiment of the invention so that the filaments are prepared by the meltblown process in.
  • the blowing device is designed so that it serves as a take-off nozzle for filaments extruded from the spinning beam.
  • FIG. 1 the side view of the device according to the invention
  • FIG. 2 the front view of the device according to the invention
  • FIG. 3 shows, in section, an embodiment variant of spinning beam and blowing device
  • FIG. 1 shows the side view of the device according to the invention for the production of a spunbonded nonwoven.
  • a spinning beam (not shown here) and a blowing device are integrated in such a way that a filament curtain 8 is conveyed out on the underside of the pivoting unit 1.
  • the filaments 8 hit a screen belt 4, which is driven by a drive 10. Due to the high speed with which the filaments 8 impinge on the wire 4, a sheet is produced, which is transported away as a spun web 9 of wire 4 and a further processing, not shown here, is supplied.
  • a suction box 5 is provided below the point at which the filaments 8 impinge on the screen belt 4, which is displaceable in the transport direction of the wire 4.
  • the Absaugbox is applied to a support 14 which is connected to an exhaust 15.
  • the pivoting unit 1 is pivotably mounted about a pivot axis 6.
  • the pivot axis 6 is provided in or near the center axis of the pivot unit 1. Additional adaptations of the process parameters are possible in that the pivoting unit 1 is connected via a holder 12 to a carriage 7, which is movable on a rail 13 in the vertical direction.
  • FIG. 2 shows the front view of the device from FIG. 1.
  • the pivoting unit 1 extends across the width of the spunbonded web 9 to be produced.
  • the filaments 8 produced within the pivoting unit leave the pivoting unit 1 in the form of a curtain.
  • the pivoting unit 1 is pivotable in bearings 16 stored. The adjustment in the vertical direction is not shown for reasons of simplification.
  • the melt required for the production of the filaments 8 is supplied by a melt feed line 17 via a rotary feedthrough 18.1. This allows the pivoting unit to pivot during operation. It is not the continuous pivoting movement of the pivoting unit 1 during production in the foreground, but rather the adaptation to a required product when starting production.
  • the rotary feedthrough 18.1 illustrated here allows the pivoting unit to pivot about the pivot axis.
  • the melt feed line 17 has a further rotary leadthrough 18.
  • the blowing air for the blowing device is supplied via the Blas Kunststoffzu entry 21, an elastic connection 20 and the Blas Kunststofftechnisch 19.
  • an elastic connection 20 allows the degree of freedom of the pivoting unit 1.
  • the melt and the blowing air of the pivot unit 1 supply can also be supplied via rotary feedthroughs.
  • 3 shows, in section, the pivoting unit 1.
  • the pivoting unit 1 contains the spinning beam 2 and the blowing device 3.
  • the melt is distributed via the melt channel 22 and fed via a melt guide 23 to a nozzle 24.
  • the blowing air 3 which is supplied via the blown air chamber 25 under pressure, is passed from the blower 3 via the blower 26 at high speed on the exiting melt strands, so that the melt fiber to fine filaments. This process is known as the meltblown process.
  • the filaments leave the pivoting unit 1 at high speed, as shown in FIGS. 1 and 2.
  • FIG. 4 an alternative embodiment of the pivoting unit 1 is shown in FIG. 4, in which the filaments are formed directly by the spinning beam 2.
  • the melt is distributed through a melt channel 28 in the spinning beam and extruded from melt feeds 29 to filaments here.
  • the blowing device 3 is arranged at a distance below the spinning beam 2. This is done by air-permeable compounds 31.
  • the B las device 3 is constructed so that between two halves, a channel 35 is formed, in which flows through air nozzles 34 in a blast air chamber 33 under pressure provided compressed air at high speed in the conveying direction. As a result, a tensile force is exerted on the filaments, which convey them out of the pivoting unit 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

L'invention concerne un dispositif pour la fabrication d'un non-tissé. Afin d'obtenir une meilleure aération du non-tissé et une plus grande facilité d'adaptation aux changements de paramètres du procédé, la traverse de filage est montée oscillante avec le dispositif de soufflage dans une unité oscillante. L'angle d'impact des filaments avec la bande filtrante, au-dessous de la traverse de filage, assure une aération particulièrement élevée. Des joints tournants ou des conduites élastiques avec la traverse de filage facilitent le mouvement oscillant de cette dernière.
EP09748102A 2008-11-13 2009-11-02 Dispositif pour la fabrication d'un non-tissé Active EP2344688B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008057172 2008-11-13
PCT/EP2009/064414 WO2010054943A1 (fr) 2008-11-13 2009-11-02 Dispositif pour la fabrication d'un non-tissé

Publications (2)

Publication Number Publication Date
EP2344688A1 true EP2344688A1 (fr) 2011-07-20
EP2344688B1 EP2344688B1 (fr) 2013-01-09

Family

ID=41490399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09748102A Active EP2344688B1 (fr) 2008-11-13 2009-11-02 Dispositif pour la fabrication d'un non-tissé

Country Status (6)

Country Link
US (1) US8496459B2 (fr)
EP (1) EP2344688B1 (fr)
JP (1) JP5586620B2 (fr)
KR (1) KR20110086562A (fr)
CN (1) CN102216501B (fr)
WO (1) WO2010054943A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012168143A1 (fr) 2011-06-09 2012-12-13 Oerlikon Textile Gmbh & Co. Kg Dispositif pour produire un produit fibreux par pose de fibres filées par fusion-soufflage
JP5874003B2 (ja) * 2012-04-24 2016-03-01 パナソニックＩｐマネジメント株式会社 ナノファイバ製造装置および製造方法
CN104246045B (zh) * 2012-04-27 2016-11-02 欧瑞康纺织有限及两合公司 用于将有限纤维熔吹、成型和铺放成纤维无纺织物的方法和装置
KR20150016545A (ko) * 2012-06-01 2015-02-12 닛폰노즐 가부시키가이샤 부직포 제조장치 및 부직포 제조방법
DE102015003184A1 (de) 2014-04-24 2015-10-29 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines Faservlieses
US9486960B2 (en) * 2014-12-19 2016-11-08 Palo Alto Research Center Incorporated System for digital fabrication of graded, hierarchical material structures
JP5946569B1 (ja) * 2015-04-17 2016-07-06 紘邦 張本 メルトブロー用口金及び極細繊維製造装置
CN111321522A (zh) * 2019-08-09 2020-06-23 武汉永强化纤有限公司 纵横比均匀的高强力聚丙烯纺粘无纺布生产工艺
CN111607830A (zh) * 2020-07-02 2020-09-01 深圳市爱普克流体技术有限公司 熔喷头以及熔喷设备
CN112962221B (zh) * 2021-04-27 2022-07-15 嘉兴南湖学院 一种梯度式分布结构复合纤维非织造布的制备系统
CN116397383B (zh) * 2023-06-09 2023-08-22 称道新材料科技(上海)有限公司 一种具有三维立体结构的熔喷布及其应用

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Also Published As

Publication number Publication date
CN102216501B (zh) 2014-05-21
WO2010054943A1 (fr) 2010-05-20
US20110244066A1 (en) 2011-10-06
KR20110086562A (ko) 2011-07-28
US8496459B2 (en) 2013-07-30
CN102216501A (zh) 2011-10-12
JP2012508832A (ja) 2012-04-12
EP2344688B1 (fr) 2013-01-09
JP5586620B2 (ja) 2014-09-10

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