EP0530487A1 - Dispositif de fixation d'un fils sur un non-tissé - Google Patents

Dispositif de fixation d'un fils sur un non-tissé Download PDF

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Publication number
EP0530487A1
EP0530487A1 EP92112725A EP92112725A EP0530487A1 EP 0530487 A1 EP0530487 A1 EP 0530487A1 EP 92112725 A EP92112725 A EP 92112725A EP 92112725 A EP92112725 A EP 92112725A EP 0530487 A1 EP0530487 A1 EP 0530487A1
Authority
EP
European Patent Office
Prior art keywords
yarn
needle
pressure plate
cutting
plate 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
Application number
EP92112725A
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German (de)
English (en)
Other versions
EP0530487B1 (fr
Inventor
Johann Philipp Dilo
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
Publication of EP0530487A1 publication Critical patent/EP0530487A1/fr
Application granted granted Critical
Publication of EP0530487B1 publication Critical patent/EP0530487B1/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
    • D04H18/02—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
    • D04H18/00—Needling machines

Definitions

  • the invention relates to a device for attaching at least one yarn in a predetermined pattern to a textile nonwoven fabric, which lies on a base consisting of brushes and is supported by the free ends of the brush bristles.
  • EP-0-411 647 A1 it is known to produce a pattern of differently colored fibers in a nonwoven fabric by placing a second nonwoven fabric consisting of the differently colored fibers on the entire area, in strips or in the form of punched-out sections , and feeds this laminate to a needle machine, the needle bar of which carries velor needles, in particular crown or fork needles.
  • the needle machine With the help of the needle machine, the fibers of the differently colored nonwoven are needled in the pattern formed by them or in a pattern formed by the arrangement of the needles on the needle bar through the underlying nonwoven which lies on a brush belt as a base into which the needles can pierce.
  • repetitive patterns can be generated in the carrier nonwoven in repetitions if the underlay is periodically lowered and raised at intervals and the carrier nonwoven is transported in the repeating intervals with the lowering pad by the needle machine.
  • the different colored fibers forming the pattern are not supplied as a fleece, but rather as individual fibers with the aid of a continuous or discontinuous air flow and placed on the carrier fleece with a mouthpiece.
  • the mouthpiece is guided to move parallel to the surface of the carrier fleece. So that the laid-on fibers do not become detached from the carrier fleece, it acts on the carrier fleece A vacuum on the bottom.
  • This technique is relatively complex and requires the carrier fleece covered with the different types of fibers to be fed to the needling machine immediately.
  • Another variant described in the cited document provides for the differently colored fibers to be placed on the carrier fleece as yarns or pieces of yarn, the fibers of which are so loosely integrated into the composite of the carrier fleece that they can be needled through the carrier fleece for the purpose of patterning with the aid of needles .
  • the manner and means by which the fibers of the yarn are to be loosely incorporated into the carrier fleece is not specified.
  • the invention has for its object to provide a device of the type mentioned, with which at least one yarn in a predetermined line pattern can be immovably attached to a carrier fleece.
  • the invention consists in a device of the type mentioned at the outset, comprising a pressure plate unit which can be displaced parallel to the base and has at least one yarn channel which extends essentially vertically through it, a device for feeding the yarn along a yarn path from a yarn supply into the yarn channel, and at least one needle with laterally projecting projections, which are suitable for piercing yarn fibers into the nonwoven fabric, a needle holder connected to the pressure plate unit, to which the needle is attached, and a drive device for moving the needle holder up and down in the direction of the pressure plate unit and away from it.
  • the device according to the invention hereinafter called yarn stitching device, is to be operated in such a way that from the yarn supply a yarn is passed through the associated yarn guide channel under the pressure plate unit.
  • the needle sticks through the yarn guide channel into the nonwoven fabric to be patterned, which is located under the pressure plate unit, and the upward and downward movement of the needle takes hold of fibers from the staple fiber yarn and needles them through the nonwoven fabric.
  • the entire yarn stapling device or only the pressure plate unit together with the needle holder and its drive device can be moved transversely to the nonwoven fabric in order to form the desired pattern. This movement automatically pulls yarn from the yarn supply.
  • the yarn is preferably made from staple fibers, but yarns made from continuous fibers, in particular crimped continuous fibers, can also be used.
  • the penetration depth is not particularly critical, it should be so great that the yarn fibers entrained by the lateral needle projections are pushed sufficiently deep into the carrier fleece that they are able to hold the remaining yarn on the carrier fleece. This can possibly take place to the other side of the carrier fleece or beyond, depending on whether this can be tolerated from the appearance of the finished goods or is even desirable.
  • the yarn channel through which the yarn is guided from below under the pressure plate unit should have a certain length, which depends on the strength and type of the yarn used .
  • a good guideline is if the length of the yarn channel is at least as large as its diameter, since this depends on the thickness of the used yarn is determined. A length that is about 2 to 3 times as large as the diameter has proven to be particularly favorable.
  • the needles used in the thread-stitching device according to the invention are velor needles, in particular crown or fork needles, but felting needles can also be used.
  • the invention can be a machine in the manner of an electrically operated hand-held jigsaw, which instead of a saw blade carries a needle with lateral projections and in the throat plate of which a hole is formed as a thread guide channel, and which expediently has a holder for receiving a thread spool and further Yarn guide devices, e.g. Eyelets, as usual with sewing or quilting machines, carries.
  • Yarn guide devices e.g. Eyelets, as usual with sewing or quilting machines, carries.
  • yarns in any pattern for example as an individual monogram or lettering, can be attached to a nonwoven fabric which rests on a base consisting of brushes.
  • the pattern occurs on the opposite side, i.e. the front of the fleece, depending on the puncture depth, initially only weakly or not at all. It is therefore necessary to pass the nonwoven fabric through a needle machine in which it is needled from the back.
  • the needle arrangement on a needle bar is so tight that the majority of the fibers of the yarn attached to the back of the nonwoven are gripped by the needles and needled through the nonwoven so that the desired pattern is clearly visible on the front of the nonwoven .
  • the thread stitching device it is advantageous if it is as possible in the area of the thread guide channel has a cutting device close to the outlet end thereof, with the aid of which the yarn can be cut off in order to be able to apply a different pattern at another point in the nonwoven fabric without yarn connection to the previously created pattern. So that the cut end of the yarn supply does not slip out of the yarn guide channel, according to a further development of the invention, the cutting device is assigned a clamping device which clamps and holds the yarn end until the next tacking process begins by starting up the needle drive.
  • the thread-stitching device can contain a corresponding number of needles, all of which are attached to a needle holder designed as a needle bar, a corresponding number of thread channels and possibly cutting devices being formed on the pressure plate unit.
  • a needle holder designed as a needle bar
  • thread channels possibly cutting devices being formed on the pressure plate unit.
  • Such an embodiment is particularly advantageous if the yarn stitching device is designed and used as a broad system in combination with a needle machine.
  • the motor 1 consists of a bracket 1, to which a frame 2 is attached, which carries a motor 3.
  • the motor 3 can be an electric motor or a hydraulic motor.
  • the motor 3 drives, via a belt 4, which is preferably a toothed belt, a pulley 5 which is rotatably mounted on the frame 2 and has an eccentric 6.
  • the eccentric 6 is enclosed by the upper bearing eye of a connecting rod 7, the lower bearing eye of which is pivotally connected to a steering lever 8 which is pivotally mounted in a bearing block 9 connected to the frame 2.
  • a needle bar carrier 11 On a bearing pin 10, which connects the lower bearing eye of the connecting rod 7 to the steering lever 8 in an articulated manner, the upper end of a needle bar carrier 11 is mounted, at the lower end of which three needle bars 12 are attached in the present example, on each of which several needles 13, for example crowns -, fork or felting needles are attached.
  • the needle bar support 11 is also articulated to one end of a link 14, the other end of which is mounted in a pivot bearing 15 connected to the frame 2.
  • the yarns 17 drawn from these bobbins 16 run over yarn guide devices 18 to a pressure plate 19, which is located below the needle bars 12 and has bores for the passage of the needles 13 and the yarns 17.
  • the pressure plate 19 is part of a pressure plate unit 24 and is held by a holder 20 via struts, which are not shown for reasons of clarity.
  • the holder 20 is in turn connected to the console 1 or, as described in a later example, to the frame 2.
  • the thread-stitching device shown is intended for cooperation with a base, designated overall by 21, which consists of brush bristles 22, the upper ends of which form a support surface for a pre-needled nonwoven carrier material to be processed, which is shown here in dashed lines at 23.
  • a base designated overall by 21, which consists of brush bristles 22, the upper ends of which form a support surface for a pre-needled nonwoven carrier material to be processed, which is shown here in dashed lines at 23.
  • the type of pad 21 allows the yarn stitching device to be moved laterally in any direction over the pad 21 without the needles 13 piercing through the pressure plate 19 in operation colliding with any object.
  • the pressure plate unit 24 essentially consists of the pressure plate 19 already described and further elements explained below.
  • a circular depression 25 is formed in the top of the pressure plate 19.
  • a cutting disk 26 made of a hard material, preferably of hard metal, the top of which is flush with the top of the pressure plate 19 or protrudes minimally opposite it.
  • a cutting plate 27 is arranged, which has on its underside a circular recess 28 into which a cutting disc 29 is fitted, the underside of which is flush with the underside of the cutting plate 27 or protrudes minimally opposite it.
  • the cutting plate 27 is slidably held on the pressure plate 19 by means of holding devices, for example from guide pins 30 which are fastened to the pressure plate 19 by means of screws 31, nuts 32 and retaining washers 33.
  • a spring washer can be fitted in the recess 28 of the cutting plate 27 between the latter and the associated cutting disk 29, which is particularly advantageous if the cutting plate carries a plurality of cutting disks 29 so that they can be adjusted individually.
  • the cutting plate 27 can be displaced parallel to the pressure plate 19 by means of an actuating mechanism, which has a cutting drive 34, for example in the form of an electromagnet or a pneumatic or hydraulic cylinder, with a pull rod 35 and a rocker arm 36 which is pivotably mounted at 37 on the pressure plate 19 and the ends of which are articulated on the pull rod 35 or on the cutting plate 27.
  • a cutting drive 34 for example in the form of an electromagnet or a pneumatic or hydraulic cylinder
  • the rocker arm 36 may optionally have an elongated hole which is elongated in the direction of the longitudinal extension of the rocker arm 36.
  • a yarn clamping vane 40 is pivotally mounted on a pin 41, which is under the influence of a return spring 42 which is supported on the pressure plate 19 and which pulls the yarn clamping vane 40 into the rest position shown in FIG. 3.
  • the yarn clamping vane 40 extends to the side of the yarn path, which extends from the yarn guide device 18 to the yarn channel 39.
  • This yarn clamping vane 40 is opposed to a yarn clamping vane 43 which is on the cutting plate 27 is attached.
  • the two yarn clamping lugs 40 and 43 define between them a section of the yarn path that ends at the yarn channel 39.
  • At least one of the yarn clamping lugs 40, 43 can be made of a resilient material, so that a spring-movable mounting of the yarn clamping lug 40 can be dispensed with, as shown in the drawing.
  • the bores in the two cutting disks 26 and 29 have sharp cutting edges at their mutually facing edges, so that they are able to cut off the yarn 17 running through the yarn channel 39 when the two disks 26, 29 are laterally displaced relative to one another.
  • the diameter of the bores in the cutting disks 26, 29 is preferably somewhat larger than that of the bores in the cutting plate 27 and the pressure plate 19, so that in the event that the cutting disks 26, 29 are not exactly set back by the cutting drive 34, the yarn 17 does not scrape at the cutting edges and is damaged thereby.
  • the cutting plate 27 assumes the position shown in FIG. 3, in which the bores in the cutting disks 26 and 29 are coaxial.
  • needle 13 is set by the motor 3 via the eccentric 6, the connecting rod 7 and the needle bar holder 11 in an up and down movement, in which it in the yarn channel 39 and under the Pressure plate 19 penetrates on the base 21 fiber fleece 23. In doing so, it grasps fibers from that section of the yarn 17, which is located in the yarn channel 39, and needles these fibers into the nonwoven fabric 23.
  • the motor 3 is stopped in a position in which the Needle 13 is brought into the upwardly retracted position shown in FIG. 2.
  • the cutting drive 34 is blocked by a preferably electronically controlled safety device (not shown in the drawing).
  • the cutting drive 34 is excited, which pulls the pull rod 35 in the direction of arrow A, whereby the cutting plate 27 is moved in the direction of arrow B via the rocker arm 36.
  • the bores in the cutting disks 26 and 29 are brought out of register, so that their cutting edges cut the yarn 17.
  • the yarn clamping lug 43 attached to the cutting gap 43 approaches the opposite elastically mounted yarn clamping lug 40, as a result of which the yarn end protruding into the yarn channel 39 is clamped between the yarn clamping lugs 40, 43. If the cutting drive 34 is then de-energized again, so that the cutting plate 27 returns to its rest position, the needle 13 finds an end of yarn in the yarn channel 39, which it can needle onto the nonwoven fabric 23 after the motor 3 has been started up.
  • the operation of the cutting drive 34 is expediently controlled in such a way that it is only deactivated immediately before the motor 3 is restarted, so that in the meantime the yarn 17 is not released from the clamping between the yarn clamping lugs 40, 43.
  • the yarn stapling device only needles a small proportion of its fibers through the supporting nonwoven fabric, which is to create a predetermined pattern in the nonwoven fabric. In order to make the pattern clearly visible, it is necessary to needle larger portions of the fibers forming the yarn through the nonwoven fabric.
  • This step is usually carried out in a needle machine of a known type, which contains at least one needle bar, which carries a large number of needles in close mutual spacing, so that there is a very high probability that the yarn will be hit by these needles and a large number of fibers will be taken from them and is needled through the nonwoven fabric.
  • Fig. 4 indicates an advantageous combination of a thread-stitching device according to the invention with a needle machine.
  • the thread-stitching device which is denoted overall by 46, is arranged on the inlet side of a needle machine, generally designated 44, of which two needle bars are shown schematically at 45.
  • the pressure plate 19 of the thread stitching device 46 is located above a support which, in this example, consists of an endless brush belt 47 which extends through the needle machine 44 and whose free bristle ends are shown in dash-dot lines in FIG. 4.
  • the console 1 of the thread stitching device 46 is on one horizontal carrier rail 48 in the direction of arrow C to the needle machine 44 and displaceable away from it. The displacement is effected by a drive, which can be hydraulic, pneumatic or electrical.
  • the drive is shown as a spindle motor 49 which is fastened on the console 1 and whose spindle 50 is anchored to the needle machine 44.
  • the frame 2 is movably mounted on the bracket 1 in the horizontal direction transversely to the direction of movement determined by the arrow C, and it is assigned a drive device 51, with the aid of which this transverse movement of the frame 2 relative to the bracket 1 can be caused.
  • the frame 2 all units are connected, which are necessary to attach yarns 17 to the nonwoven fabric 23, that is the pressure plate 19 with its yarn channels, the needle bar holder 11 and the drive devices assigned to it from motor 3 to pivot pin 10.
  • the thread-stitching device 46 creating the pattern can be moved in two directions that are orthogonal to one another over the nonwoven fabric 23.
  • the nonwoven fabric 23 is fed from a supply roll 52, runs on the brush belt 47 under the thread-stitching device 46 and through the needle machine 44 and is wound up into a roll 53 at the outlet of the needle machine 44. It is understood that the brush belt 47 is supported in the work areas of the thread stitching device 46 and the needle machine 44 from below, for example by rollers or plates, which are not shown here for the sake of clarity.
  • the thread stitching device 46 can extend almost over the entire width of the needle machine 44 and can have a corresponding number of needles 13 with associated thread spools 16, in order to simultaneously produce several patterns in one working cycle to be able to manufacture the nonwoven fabric 23.
  • the nonwoven fabric 23 For the operation of the combination shown in FIG. 4, provision can optionally be made for the nonwoven fabric 23 to be passed intermittently or continuously through the arrangement or, if appropriate, even to temporarily reverse its direction of advance if this should be necessary to form a specific pattern.
  • the material rolls 52 and 53 are to be moved accordingly on their supporting devices, i.e. if necessary, roll up or down against their original direction of movement.
  • the operating sequence in the needle machine 44 and the thread stitching device 46 is controlled according to predetermined programs, the operation of the needle machine 44 and the thread stitching device 46 being matched to one another in a suitable manner.
  • the yarn cutting device that may be included in the thread stitching device 46 is included, whereby the safety device mentioned ensures that the cutting drive 34 for the cutting plate 27 is only activated when the needles 13 are in a raised position for rest arrived.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP92112725A 1991-09-05 1992-07-24 Dispositif de fixation d'un fils sur un non-tissé Expired - Lifetime EP0530487B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4129560 1991-09-05
DE4129560A DE4129560A1 (de) 1991-09-05 1991-09-05 Vorrichtung zum anheften eines garns an ein faservlies

Publications (2)

Publication Number Publication Date
EP0530487A1 true EP0530487A1 (fr) 1993-03-10
EP0530487B1 EP0530487B1 (fr) 1996-02-21

Family

ID=6439938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92112725A Expired - Lifetime EP0530487B1 (fr) 1991-09-05 1992-07-24 Dispositif de fixation d'un fils sur un non-tissé

Country Status (5)

Country Link
US (1) US5390399A (fr)
EP (1) EP0530487B1 (fr)
JP (1) JPH0625960A (fr)
AT (1) ATE134396T1 (fr)
DE (2) DE4129560A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6311375B1 (en) * 2000-07-27 2001-11-06 Gilbert Patrick Method of needle punching yarns
AT410680B (de) * 2000-11-22 2003-06-25 Fehrer Monika Mag Verfahren und vorrichtung zum verfestigen einer textilen warenbahn
AT411175B (de) * 2001-07-02 2003-10-27 Fehrer Monika Mag Verfahren zum behandeln eines garnes durch ein nadeln
US6796115B1 (en) 2001-12-19 2004-09-28 Gilbert Patrick Needle punched yarns
US7426380B2 (en) 2002-03-28 2008-09-16 Telecommunication Systems, Inc. Location derived presence information
AT411601B (de) * 2002-09-12 2004-03-25 Fehrer Monika Mag Vorrichtung zum nadeln wenigstens eines garnes
JP2004303208A (ja) 2003-03-20 2004-10-28 Seiko Epson Corp 発振器とこれを用いた電子機器
AT414331B (de) * 2003-07-15 2008-01-15 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT502044B1 (de) * 2005-10-27 2007-01-15 Neumag Saurer Austria Gmbh Vorrichtung zum nadeln eines vlieses
WO2019192948A1 (fr) 2018-04-03 2019-10-10 Politex S.A.S. Di Freudenberg, Politex S.R.L. Non-tissé renforcé

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2084463A5 (fr) * 1970-03-28 1971-12-17 Dilo Kg Oskar
GB2010350A (en) * 1977-12-16 1979-06-27 Commw Scient Ind Res Org Fabric Decoration Apparatus and Method
EP0059292A1 (fr) * 1980-12-10 1982-09-08 Broderie De Mesnil Saint Pere S.A.R.L. Dispositif de piquage à deux pieds presseurs indépendants, notamment pour la réalisation et la couture de bouclettes
EP0183952A1 (fr) * 1984-12-07 1986-06-11 Oskar Dilo Maschinenfabrik KG Machine pour la fabrication de feutres textiles veloutés aiguilletés structurés
US4876973A (en) * 1984-09-04 1989-10-31 Lockheed Corporation Method of and apparatus for blind tufting composite laminated joints

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538564A (en) * 1968-04-12 1970-11-10 Union Carbide Corp Method of making a nonwoven fabric
US4047269A (en) * 1973-04-07 1977-09-13 Cikalon-Vliesstoff-Werke Gmbh Method and apparatus for producing ornamentally patterned, needled, nonwoven pile fabrics
FR2617208B1 (fr) * 1987-06-26 1989-10-20 Inst Textile De France Procede et materiel d'aiguilletage de mat de verre et produit composite realise a partir dudit mat
AT392657B (de) * 1989-02-15 1991-05-27 Fehrer Textilmasch Vorrichtung zum nadeln einer warenbahn
GB8910632D0 (en) * 1989-05-09 1989-06-21 Tomkinsons Plc Yarn control method and apparatus
DE4022891A1 (de) * 1989-08-03 1991-02-07 Dilo Kg Maschf Oskar Verfahren zum herstellen genadelter, strukturierter und gemusterter textiler velourbahnen
US5129131A (en) * 1989-12-05 1992-07-14 Ube-Nitto Kasei Co., Ltd. Method of and apparatus for manufacturing glass fiber mat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2084463A5 (fr) * 1970-03-28 1971-12-17 Dilo Kg Oskar
GB2010350A (en) * 1977-12-16 1979-06-27 Commw Scient Ind Res Org Fabric Decoration Apparatus and Method
EP0059292A1 (fr) * 1980-12-10 1982-09-08 Broderie De Mesnil Saint Pere S.A.R.L. Dispositif de piquage à deux pieds presseurs indépendants, notamment pour la réalisation et la couture de bouclettes
US4876973A (en) * 1984-09-04 1989-10-31 Lockheed Corporation Method of and apparatus for blind tufting composite laminated joints
EP0183952A1 (fr) * 1984-12-07 1986-06-11 Oskar Dilo Maschinenfabrik KG Machine pour la fabrication de feutres textiles veloutés aiguilletés structurés

Also Published As

Publication number Publication date
ATE134396T1 (de) 1996-03-15
EP0530487B1 (fr) 1996-02-21
US5390399A (en) 1995-02-21
DE59205385D1 (de) 1996-03-28
DE4129560A1 (de) 1993-03-11
JPH0625960A (ja) 1994-02-01

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