EP2201164B1 - Dispositif d'aiguilletage d'une nappe de fibres - Google Patents

Dispositif d'aiguilletage d'une nappe de fibres Download PDF

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Publication number
EP2201164B1
EP2201164B1 EP08805072A EP08805072A EP2201164B1 EP 2201164 B1 EP2201164 B1 EP 2201164B1 EP 08805072 A EP08805072 A EP 08805072A EP 08805072 A EP08805072 A EP 08805072A EP 2201164 B1 EP2201164 B1 EP 2201164B1
Authority
EP
European Patent Office
Prior art keywords
drive
horizontal
eccentric
support
gear mechanism
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.)
Not-in-force
Application number
EP08805072A
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German (de)
English (en)
Other versions
EP2201164A1 (fr
Inventor
Tilman Reutter
Andreas Plump
Andreas Mayer
Daniel Bu
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.)
Hi Tech Textile Holding GmbH
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Hi Tech Textile Holding GmbH
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Publication of EP2201164A1 publication Critical patent/EP2201164A1/fr
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Publication of EP2201164B1 publication Critical patent/EP2201164B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H18/00Needling machines
    • D04H18/02Needling machines with needles

Definitions

  • the invention relates to a device for needling a fibrous web according to the preamble of claim 1.
  • the known device has a beam support, on the underside of which two adjacently arranged needle beams are held for receiving a multiplicity of needles.
  • the beam support is movably supported, with a vertical drive for oscillating movement of the beam support in an up and down motion and a horizontal drive for oscillating movement of the beam support in a rectilinear reciprocation.
  • the vertical drive has a plurality of eccentric shafts and a plurality of connecting rods guided by the eccentric shafts, which engage with their free ends on the beam carrier.
  • the horizontal drive has at least one horizontal link, which is connected at one end to the beam carrier and is assigned to an eccentric drive with an opposite end. To the stroke of the horizontal movement of the To be able to change beam support, the known device has various adjustment options.
  • the horizontal link is coupled via a Kipphebelkinematik with a guided on an eccentric connecting rod.
  • the free end of the connecting rod is detachably connected to the Kipphebelkinematik, so that a swinging movement is adjustable depending on the position of the point of the connecting rod on the rocker arm.
  • an adjustment of the horizontal stroke can only be performed with the eccentric drive stationary.
  • an intervention and modification of the kinematics is required, which acts to transmit power to the beam carrier.
  • the oscillating horizontal movement is introduced via two parallel eccentric drives on the horizontal link.
  • the parallel connecting rods are connected via a coupling member and a transmission kinematics with the horizontal link, whereby a resulting depending on the phase position of the eccentric shafts of the eccentric motion amplitude is generated.
  • This can indeed be an adjustment of the horizontal stroke change during operation, but only with a considerable expenditure on equipment, which leads to a large amount of space in the entire device in large systems.
  • at least two separate eccentric drives are required to perform only a horizontal reciprocating motion on the beam support.
  • the known device is thus based on mechanically very complex and partially in operation not adjustable drive means to perform superimposed to a vertical movement of the beam support in a reciprocating motion with variable horizontal stroke.
  • the beam support is formed by a pivot tube, which is pivoted relative to a pivot axis back and forth.
  • the beam carrier via a pivot gear relative to the pivot axis pivoted.
  • the device and the pivoting gear are therefore not suitable to perform a rectilinear reciprocation of the beam support in the horizontal direction.
  • Another object of the invention is to provide a horizontal drive with a flexible and easy stroke adjustment.
  • gear kinematics and the eccentric drive are arranged on a gear carrier, which is held adjustable to set a horizontal stroke on a machine frame.
  • the invention has the particular advantage that no adjustment in the transmission kinematics or the eccentric drive is required to set the horizontal stroke. Both the transmission kinematics and the eccentric drive are only to be interpreted such that an oscillating on the horizontal link of the beam carrier thrust force is generated. The amplitude of the horizontal movement generated by the transmission kinematics and the eccentric drive on the horizontal link is determined exclusively by the position of the gear carrier. This can also be advantageous to perform Hubver einen or corrections Hub adjustment during operation.
  • the transmission kinematics held on the transmission carrier and the eccentric drive arranged on the transmission carrier are mutually determined in their relative position by their fixation on the transmission carrier. Only the relative positions of the transmission kinematics and the eccentric drive opposite The beam carrier can be changed by adjusting the gear carrier.
  • this is preferably mounted according to an advantageous embodiment of the invention by a gear carrier bearing rotatably mounted on the machine frame.
  • the transmission carrier can be fixed by means of a fixing device in several arbitrary operating positions on the machine frame, so that in each operating position of the transmission carrier, a stable transmission of the horizontal movement is possible on the horizontal link.
  • the transmission support is preferably designed to pivot about a rotation angle in the range of 0 ° to 90 °.
  • a rotation angle of 0 ° would change the relative positions of the transmission kinematics and the eccentric drive in relation to the beam carrier such that the horizontal link is reciprocatable with a maximum stroke in the horizontal direction.
  • the transmission carrier is designed as a housing in which at least parts of the transmission kinematics and the eccentric drive are encapsulated, is preferably used to simultaneously shield the bearings and hinges of the transmission kinematics and the eccentric relative to the environment. This makes it advantageous to integrate lubrication systems within the housing.
  • the transmission kinematics is formed by a rocker
  • the rocker on two coupling hinges, which are connected to the eccentric and the horizontal link. With one end, the rocker is held by a frame pivot on the gear carrier.
  • it is also advantageous to carry out fast horizontal movements of the beam carrier, which in particular allow high throughput speeds of the fiber web and thus high production rates.
  • the horizontal link is arranged with its end in a central region of the beam support and connected by a hinge to the beam support.
  • the position of the horizontal link is suitable for perceiving a guide of the beam carrier in the longitudinal direction.
  • the horizontal link is arranged substantially parallel to a transverse side of the beam carrier and designed with a stiffening shape, so that the beam carrier is guided in the longitudinal direction.
  • the device can be operated safely even with non-activated horizontal drive.
  • the beam carrier would only be driven by the vertical drive to move up and down.
  • the deflection of the beam carrier can be initiated essentially by compressive forces in the connecting rod and the horizontal link .
  • the choice, whether the Eccentric drive is to be formed with an eccentric shaft or with a crankshaft, is essentially determined by the size of the translational movement by the eccentric drive. Thus, larger translational movements can preferably be generated by a crankshaft.
  • the needles are driven in the vertical direction preferably according to the embodiment of the invention with a vertical drive, which is formed by two eccentric drives, each having an eccentric shaft or crankshaft and a connecting rod connected to the shaft.
  • the connecting rods are connected with their free ends via swivel joints with the beam support.
  • the eccentrics or crankshafts of the horizontal drive and the eccentrics or crankshafts of the vertical drive are driven synchronously at the same speeds. This gives the possibility that the needles immersed in the fibrous web are moved by the beam support in the direction of the fiber web.
  • Fig. 1 the embodiment of the device according to the invention for needling a fibrous web is shown schematically.
  • the device has a beam support 2, which holds two needle bars 1.1 and 1.2 on its underside.
  • Each of the needle bars 1.1 and 1.2 holds on its underside a needle board 3 with a plurality of needles 4.
  • the needle boards 3 with the needles 4 is associated with a bed plate 24 and a scraper 25, wherein between the bed plate 24 and Scraper 25 a fiber web 26 is guided at a substantially constant feed rate.
  • the direction of movement of the fiber web 26 is indicated by an arrow.
  • the vertical drive 6 is formed by two parallel arranged eccentric 9.1 and 9.2.
  • the eccentric 9.1 and 9.2 have two parallel juxtaposed crankshafts 8.1 and 8.2, which are arranged above the beam carrier 2.
  • the crankshafts 8.1 and 8.2 are each connected to a connecting rod 7.1 and 7.2.
  • the connecting rods 7.1 and 7.2 are connected with their free ends via two Pleuelwindgelenke 28.1 and 28.2 with the beam support 2.
  • the crankshaft 8.1 forms with the connecting rod 7.1 and the crankshaft 8.2 with the connecting rod 7.2 each one of the eccentric 9.1 and 9.2 to guide the beam support 2 in an up and down movement.
  • the crankshafts 8.1 and 8.2 are rotatably mounted in a machine frame 29 and connected to a drive, not shown here.
  • the crankshafts 8.1 and 8.2 are driven synchronously or in opposite directions, so that the beam support 2 is guided at least approximately parallel.
  • the needle bar 1.1 and 1.2 engages a horizontal link 10 via a swivel bar 27 on the beam support 2.
  • the beam swivel joint 27 for connecting the horizontal link 10 is arranged in the middle region of the beam support 2.
  • the pivot hinges 28.1 and 28.2 for connecting the vertical drive 6 are symmetrical to the beam swivel joint 27, so that regardless of the vertical movement of the beam support introduced for horizontal deflection thrust and tensile forces directly to the beam support 2 act. It can thus be avoided by bending moments on the beam support 2.
  • the opposite end of the horizontal link 10 is coupled via a transmission kinematics 11 with an eccentric 12.
  • the horizontal link 10 is oriented horizontally, wherein the beam swivel joint 27 is guided on the beam support 2 on a horizontal straight line. The articulation of the beam carrier 2 therefore always takes place from the same point.
  • the transmission kinematics 11 has a rocker 17, which is connected via a first coupling joint 18.1 at the free end with the eccentric 12 and a second coupling joint 18.2 in the central region with the horizontal link 10.
  • the eccentric drive 12 has a connecting rod 21, which is arranged with a free end on the coupling rotary joint 18.1 and is guided at the opposite end on a crankshaft 20.
  • the crankshaft 20 is mounted on a crank bearing 22, wherein the crank bearing 22 is formed on a gear carrier 13.
  • the crankshaft 20 is driven by a drive, not shown here.
  • the rocker 17 is held at its opposite end via a frame pivot 19 on the gear carrier 13.
  • the gear carrier 13 is rotatably connected to the machine frame 23 via a gear carrier bearing 14.
  • a fixing device 15 is provided on the machine frame 23, through which the gear carrier 13 is fixable in one of a plurality of operating positions.
  • the fixing device 15 can be formed for example by a guide track 30 and a locking means 31 to fix the gear carrier 13 in any angular position relative to the gear carrier bearing 14 in the machine frame 23.
  • the gear carrier 13 By adjusting the gear carrier 13 on the machine frame 23, the relative positions of the transmission kinematics 11 and the eccentric 12 are compared the beam support 2 changed. This also changes the position of the rocker 17 in relation to the horizontal link 10, so that the rocker movement generated by the eccentric 12 on the rocker 17 is transmitted depending on the position of the rocker 17 with different amplitude to the horizontal link 10.
  • the gear carrier 13 is preferably adjusted by a rotational angle range of the rotational angle ⁇ from 0 ° to 90 °. This can be achieved that the rocker 17 transmits in one extreme no lifting movement in the horizontal direction on the horizontal support.
  • the rocker 17 In this position, the rocker 17 is substantially aligned with the horizontal link 10.
  • the gear carrier is set in this case to a rotational angle ⁇ of 90 °.
  • a maximum stroke of the horizontal movement is set on the beam support 2.
  • This adjustment of the rocker can be achieved by adjusting the gear carrier 13 to a rotational angle ⁇ of 0 °.
  • Fig. 1 In the Fig. 1 is shown an intermediate layer, wherein the rotation angle is entered with the reference numeral ⁇ .
  • the fixing device 15 is released on the machine frame 23 and the gear carrier 13 is rotated by the gear carrier bearing 14 in a new operating position.
  • This is how the in Fig. 1 shown position larger or smaller strokes on the beam support 2 set. To increase the respective stroke, would adjusted the pivot end of the transmission carrier 13 in a clockwise direction. For a smaller stroke in the horizontal direction, the pivot end of the gear carrier 13 would be pivoted counterclockwise.
  • the horizontal link 10 is thus particularly suitable for carrying out the guidance of the beam carrier in the longitudinal direction.
  • the horizontal link 10 has a stiffening shape, which is not shown in detail in this embodiment.
  • the transmission carrier 13 is formed as a housing 16 in which the parts of the transmission kinematics 11 and the eccentric drive 12 are substantially encapsulated.
  • the hinges and bearings of the transmission kinematics 11 and of the eccentric drive 12 can thus be connected to a lubrication system, which is arranged within the housing 16 and is thus shielded from the environment, in particular with respect to a fibrous web.
  • the vertical drive and the horizontal drive are formed by eccentric drives, in which the oscillating movements are generated by crankshafts.
  • eccentric drives can also be formed by rotatably mounted eccentric shafts, which are connected at the periphery with a connecting rod of a connecting rod.
  • the eccentric drive and the transmission kinematics of the horizontal drive are formed. It is essential here that both units are held on an adjustable gear carrier, which on the machine frame in different operating positions for changing a transmitted by the transmission kinematics movement amplitude.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Claims (11)

  1. Dispositif d'aiguilletage d'une nappe de fibres avec au moins une barre d'aiguilles (1.1), qui présente à sa face inférieure une planche à aiguilles (3) portant une pluralité d'aiguilles (4), avec un support de barre (2) maintenu de façon mobile destiné à maintenir la barre d'aiguilles (1.1), avec un entraînement vertical (6) relié au support de barre (2) pour produire un mouvement oscillant du support de barre (2) en un mouvement vers le haut et vers le bas et avec un entraînement horizontal (5) relié au support de barre (2) pour produire un mouvement oscillant du support de barre (2) en un mouvement de va et vient, dans lequel l'entraînement horizontal (5) présente au moins une bielle horizontale (10), qui est reliée par une extrémité au support de barre (2) et qui est couplée par une extrémité opposée à un mécanisme de transmission (11), et un entraînement excentrique (12) couplé au mécanisme de transmission (11), caractérisé en ce que le mécanisme de transmission (11) et l'entraînement excentrique (12) sont disposés sur un support de transmission (13), qui est maintenu de façon réglable sur un bâti de machine (23) en vue du réglage d'une course horizontale.
  2. Dispositif selon la revendication 1, caractérisé en ce que le support de transmission (13) est monté de façon pivotante au moyen d'un palier de support (14) sur le bâti de machine (23) et en ce que le support de transmission (13) est maintenu dans différentes positions de fonctionnement sur le bâti de machine (23) au moyen d'un dispositif de fixation (15).
  3. Dispositif selon la revendication 2, caractérisé en ce que le support de transmission (13) peut pivoter d'un angle de rotation (α) compris dans la plage de 0° à 90°.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le support de transmission (13) est réalisé sous la forme d'un boîtier (16), dans lequel sont logées au moins des parties du mécanisme de transmission (11) et de l'entraînement excentrique (12).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le mécanisme de transmission (11) est formé par une bielle oscillante (17), qui est maintenue par une extrémité au moyen d'une articulation tournante de bâti (19) sur le support de transmission (13) et qui est reliée par l'extrémité opposée à l'entraînement excentrique (12) au moyen d'une articulation tournante de couplage (18.1), et en ce que la bielle oscillante (17) est couplée à la bielle horizontale (10) au moyen d'une autre articulation tournante de couplage (18.2).
  6. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la bielle horizontale (10) est reliée par son extrémité au support de barre (2) au moyen d'une articulation tournante de barre (27) dans une région centrale du support de barre (2).
  7. Dispositif selon la revendication 6, caractérisé en ce que la bielle horizontale (10) est essentiellement parallèle à une face transversale du support de barre (2) et présente une configuration renforcée pour le guidage du support de barre (2) en direction longitudinale.
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'entraînement excentrique (12) présente un arbre excentrique ou une manivelle entraîné(e) (20) et une bielle motrice (21) reliée à l'arbre excentrique ou à la manivelle (20), dans lequel l'arbre excentrique ou la manivelle (20) est monté(e) de façon rotative sur le support de transmission (13).
  9. Dispositif selon la revendication 8, caractérisé en ce que l'extrémité libre de la bielle motrice (21) est reliée à la bielle oscillante (17) au moyen de l'articulation tournante de couplage (18.1).
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'entraînement vertical (6) présente au moins deux arbres excentriques ou deux manivelles (8.1, 8.2) entraîné(e)s et plusieurs bielles motrices (7.1, 7.2) associées aux arbres excentriques ou aux manivelles (8.1, 8.2), dont les extrémités libres sont reliées au support de barre (2).
  11. Dispositif selon l'une quelconque des revendications 9 et 10, caractérisé en ce que l'arbre excentrique ou la manivelle de l'entraînement horizontal (5) et les arbres excentriques ou les manivelles (8.1, 8.2) de l'entraînement vertical (6) peuvent être entraîné(e)s de manière synchrone à des vitesses de rotation égales.
EP08805072A 2007-10-18 2008-10-06 Dispositif d'aiguilletage d'une nappe de fibres Not-in-force EP2201164B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007049846 2007-10-18
PCT/EP2008/063325 WO2009050051A1 (fr) 2007-10-18 2008-10-06 Dispositif d'aiguilletage d'une nappe de fibres

Publications (2)

Publication Number Publication Date
EP2201164A1 EP2201164A1 (fr) 2010-06-30
EP2201164B1 true EP2201164B1 (fr) 2012-04-18

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ID=39970905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08805072A Not-in-force EP2201164B1 (fr) 2007-10-18 2008-10-06 Dispositif d'aiguilletage d'une nappe de fibres

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EP (1) EP2201164B1 (fr)
AT (1) ATE554212T1 (fr)
WO (1) WO2009050051A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958080A (zh) * 2017-06-02 2017-07-18 侯钦娅 针刺机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113174703B (zh) * 2021-04-20 2022-09-16 烟台博远气动液压有限公司 一种手持式针刺机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732453A (en) * 1995-09-15 1998-03-31 Oskar Dilo Maschinenfabrik Kg Needle bar driving apparatus of a needle loom
DE19730532A1 (de) * 1997-07-16 1999-01-21 Dilo Kg Maschf Oskar Nadelmaschine
AT413823B (de) * 2003-10-27 2006-06-15 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
FR2887563B1 (fr) * 2005-06-22 2009-03-13 Asselin Soc Par Actions Simpli "procede et installation pour aiguilleter une nappe de fibres mettant en oeuvre deux planches a aiguilles"
TW200806839A (en) * 2006-05-20 2008-02-01 Saurer Gmbh & Amp Co Kg Apparatus for needling a non-woven web
FR2909104B1 (fr) * 2006-11-29 2009-02-13 Asselin Thibeau Soc Par Action Dispositif et procede d'aiguilletage.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958080A (zh) * 2017-06-02 2017-07-18 侯钦娅 针刺机
CN106958080B (zh) * 2017-06-02 2019-04-19 威海市和谐汽车内饰有限公司 针刺机

Also Published As

Publication number Publication date
ATE554212T1 (de) 2012-05-15
EP2201164A1 (fr) 2010-06-30
WO2009050051A1 (fr) 2009-04-23

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