EP2265757B1 - Vorrichtung zum vernadeln einer faserbahn - Google Patents

Vorrichtung zum vernadeln einer faserbahn Download PDF

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Publication number
EP2265757B1
EP2265757B1 EP09731796.0A EP09731796A EP2265757B1 EP 2265757 B1 EP2265757 B1 EP 2265757B1 EP 09731796 A EP09731796 A EP 09731796A EP 2265757 B1 EP2265757 B1 EP 2265757B1
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EP
European Patent Office
Prior art keywords
way
crankshafts
bar support
control rod
installation
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
EP09731796.0A
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German (de)
English (en)
French (fr)
Other versions
EP2265757A1 (de
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 date
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Publication of EP2265757A1 publication Critical patent/EP2265757A1/de
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Publication of EP2265757B1 publication Critical patent/EP2265757B1/de
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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

Definitions

  • the invention relates to a device for needling a fibrous web according to the preamble of claim 1.
  • a generic device is from the DE 10 2005 012 265 A1 and the WO 2009/019111 A1 known.
  • the known device is used for solidification and structuring of fiber layers.
  • a fiber web is pierced with a plurality of needles, which are guided in an oscillating motion.
  • the needles are thus guided with an oscillating vertical movement in order to solidify the fiber material in the fiber web.
  • the fibrous web is continuously advanced with a feed, which is preferably carried out by rolling. Since the needles are not smooth but are provided with unidirectionally open barbs, single fiber are detected during insertion and reoriented within the fiber layer. As a result, a felting and solidification effect is achieved.
  • the needles are guided with a superimposed horizontal movement, which takes place superimposed on the vertical movement.
  • both the vertical movement and the horizontal movement of the needle bar are initiated by a crank mechanism on the needle bar.
  • the crank mechanism has two crank drives with two driven crankshafts.
  • the crankshafts are designed to be adjustable in their phase positions.
  • a guide means is additionally provided, which acts on the needle bar.
  • the vertical movements of the needle bar as well as the horizontal movement of the needle bar must be carried out unhindered.
  • the guide device is formed by a guide rod which is guided in a guide bush held on a machine frame.
  • the guide bushing is pivotally supported on the machine frame via a pivot bearing, so that, depending on the phase position of the crankshafts, an oblique position of the beam carrier via the pivot bearing of the guide device is possible.
  • the guideway of the beam support is determined by the stationary position of the pivot bearing of the guide device. This can be done only relatively small horizontal strokes, otherwise an excessive inclination of the beam support is achieved.
  • a device for needling a fibrous web characterized in that the guide means comprises a handlebar which is connected at one end by a hinge to the beam support, and which is coupled at the other end by a second pivot with a steering gear.
  • the invention has the particular advantage that the articulation of the beam support relative to the machine frame by a steering gear, which acts directly on a handlebar on the beam support.
  • a steering gear which acts directly on a handlebar on the beam support.
  • the interposition of the steering gear can be generated on the handlebar predetermined guideways, which are adapted to the requirements of needling.
  • the articulation point on the beam support provides a high degree of freedom on the beam support to accommodate any phase adjustments of the crankshaft.
  • the steering gear is formed from a plurality of gear means, which are held on a machine frame at least via a frame pivot bearing.
  • gear means which are held on a machine frame at least via a frame pivot bearing.
  • the steering gear can be formed on a pivot joints and pivot bearing guide means which requires a sufficient stability and a simple tribology. Both rotary bearings and hinges can be sealed against the environment in a simple manner, so that a reliable guidance of the beam support is guaranteed.
  • one of the gear means is designed as a drivable eccentric shaft, which is mounted in the frame pivot bearing and which is coupled via a connecting rod to the handlebar.
  • At least one of the gear means is formed as a rocker arm, which is held in a central region by a tilting bearing on the machine frame. With one end, a rocker arm via a rotary joint with the steering rod and with the opposite end by a second pivot joint to the connecting rod of the eccentric shaft is connected.
  • the caused by the handlebar to the beam support guideway can be just run depending on the vote of the lengths of the handlebar and the rocker arm.
  • connection of the handlebar through the pivot to the beam carrier is preferably at the beam center.
  • the vertical movement and the horizontal movement of the beam support can thus be safely and stably transmitted to the handlebar.
  • the phase adjustment device In order to increase the flexibility for adjusting the horizontal strokes, in particular with changed throughput speeds of the fiber web, the phase adjustment device according to a preferred embodiment of the invention, two servomotors, which are associated with the crankshafts of the crank mechanisms and which are formed independently controllable via a control device. In this way, for example, when changing materials, machine settings can be quickly and precisely adjusted to new specifications.
  • phase adjustment device can also be formed by a mechanical or hydraulic transmission.
  • the adjustment of the crankshafts can also be controlled by an actuator.
  • the adjustment of the crankshaft can be done both during operation with driven shafts and at standstill of the waves.
  • other constructive solutions of the phase adjustment device can also be used.
  • a first embodiment of the inventive apparatus for needling a fibrous web is shown schematically.
  • the embodiment of the device according to the invention Fig. 1 shows a beam support 2, which holds a needle bar 1 on its underside.
  • the needle bar 1 carries on its underside a needle board 3 with a plurality of needles 4.
  • the needle board 3 with the needles 4 is associated with a bed plate 26 and a scraper 25, wherein between the bed plate 26 and the scraper 25, a fiber web 27 is guided at a substantially constant feed rate.
  • the movement device of the fiber web 27 is characterized by an arrow.
  • crank mechanism 5 On the beam support 2 engages a crank mechanism 5.
  • the crank mechanism 5 is formed by two parallel juxtaposed crank drives 6.1 and 6.2.
  • the crank drives 6.1 and 6.2 have two parallel juxtaposed crankshafts 9.1 and 9.2, which are arranged above the beam carrier 2.
  • the crankshafts 9.1 and 9.2 each have at least one eccentric section for receiving at least one connecting rod.
  • Fig. 1 are arranged on a beam support 2 connecting rods 7.1 and 7.2, which are held with their connecting rods 10.1 and 10.2 to the crankshaft 9.1 and 9.2.
  • the connecting rods 7.1 and 7.2 are connected at their opposite ends by two pivot hinges 8.1 and 8.2 with the beam support 2.
  • the crankshaft 9.1 forms with the connecting rod 7.1 the crank drive 6.1 and the crankshaft 9.2 with the connecting rod 7.2 the crank drive 6.2 to guide the beam support 2 in an oscillating motion.
  • the crankshafts 9.1 and 9.2 is associated with a phase adjuster 11.
  • the phase adjustment device has two servo motors 12.1 and 12.2, which are assigned to the crankshafts 9.1 and 9.2.
  • the servomotors 12.1 and 12.2 are connected to a control device 13. Via the control device 13, the servomotors 12.1 and 12.2 can be activated independently of one another in order to rotate the crankshafts 9.1 and 9.2 in their bearings.
  • the phase angle between the two crankshafts 9.1 and 9.2 can be adjusted.
  • the pure vertical upward and downward movement of the needle bar 1 can thereby perform a superimposed horizontal movement of the beam support 2.
  • phase adjustment device 11 could alternatively be formed by a servomotor and an adjusting mechanism acting on the crankshafts 9.1 and 9.2. It is essential here that the crankshafts 9.1 and 9.2 are offset from one another by a phase angle in order to be able to carry out not only the vertical movement but also a horizontal movement for needling the fibrous web.
  • a guide device 14 which in this embodiment has a handlebar 15 which is connected via a first pivot 16.1 with the beam support 2 and a second pivot 16.2 with a steering gear 17.
  • the pivot 16.1 on the beam support 2 is formed in a middle of the beam, wherein the handlebar 15 is aligned substantially horizontally and connected to the laterally arranged steering gear 17.
  • the steering gear 17 is formed in this embodiment by an eccentric shaft 18 which is held in a frame pivot bearing 19 on a machine frame 20.
  • the eccentric shaft 18 is connected via a connecting rod 21 with a free end of a rocker arm 22.
  • the connection of the rocker arm 22 to the connecting rod is effected by the rotary joint 24.
  • a tilting bearing 23 is provided, on which the rocker arm 22 is pivotally supported on the machine frame 20. At a lower free end of the rocker arm 22, the handlebar 15 engages over the pivot 16.2 a.
  • the guide device 14 can be operated in this embodiment either with actively driven eccentric shaft 18 or with a freely adjustable eccentric shaft 18.
  • the eccentric shaft 18 also by a hinge be replaced.
  • the eccentric shaft 18 of the steering gear 17 is driven synchronously to the crankshaft 9.1 and 9.2.
  • a deflection of the handlebar 15, which is dependent on the size of the eccentricity of the eccentric shaft 18, can be initiated in the direction of movement of the fiber web 27.
  • a superimposed constant horizontal stroke is introduced to the beam support via the handlebar 15.
  • crankshaft 9.1 and 9.2 By means of a phase difference between the crankshaft 9.1 and 9.2, both an enlargement and a reduction of the horizontal stroke predetermined via the guide device can be set.
  • the crankshafts 9.1 and 9.2 can be driven in the same direction or in opposite directions. In the same direction drive the phase adjustment takes place in opposite directions. In the case of an opposite drive, however, the adjustment takes place in the same direction.
  • the translational movements of the beam support 2 are guided solely by rotational movement of the gear means of the guide device 14. This represents a particularly cost-effective machine design with high flexibility with regard to variable stroke adjustment with superimposed vertical and horizontal movements of the beam carrier.
  • FIG. 2 schematically illustrated embodiment of the device according to the invention is another way to guide the handlebar 15 to guide the beam support 2 via a steering gear 17.
  • the embodiment according to Fig. 2 is identical in construction and configuration of the crank mechanism 5, the beam support 2 and the devices held by the beam support 2 to the aforementioned embodiment, so that reference is made to the preceding description.
  • Fig. 1 is in the embodiment after Fig. 2 the guide device 14 is formed above the beam support 2 between the crank drives 6.1 and 6.2.
  • the steering gear 17 of the guide device 14 is formed in this embodiment by an eccentric shaft 18 and a rocker 28.
  • the eccentric shaft 18 is held in the frame pivot bearing (19) in the machine frame 20 and coupled to a drive, not shown here.
  • the eccentric shaft 18 is connected via a rotary joint 16.2 with the handlebar 15.
  • the rocker 28 is held by a pivot bearing 29 on the machine frame 20 and coupled to a free end via a further pivot 16.3 with the handlebar 15.
  • phase adjustment were represented by two servo motors 12.1 and 12.2.
  • Such a phase adjustment device is exemplary.
  • the adjustment of the crankshafts can take place both during operation with rotating shafts or at standstill with fixed shafts. So it is also possible, the crankshaft for adjusting a mechanical or hydraulic Assign gearbox.
  • a motor or actuator could be used to initiate the adjustment via the transmission to the waves.
  • the device according to the invention for needling a fibrous web thus offers a high degree of flexibility for guiding and for driving a needle bar.
  • flexible stroke settings for carrying out horizontal movements can be realized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
EP09731796.0A 2008-04-17 2009-04-01 Vorrichtung zum vernadeln einer faserbahn Active EP2265757B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008019217 2008-04-17
PCT/EP2009/053894 WO2009127520A1 (de) 2008-04-17 2009-04-01 Vorrichtung zum vernadeln einer faserbahn

Publications (2)

Publication Number Publication Date
EP2265757A1 EP2265757A1 (de) 2010-12-29
EP2265757B1 true EP2265757B1 (de) 2019-06-26

Family

ID=40786444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09731796.0A Active EP2265757B1 (de) 2008-04-17 2009-04-01 Vorrichtung zum vernadeln einer faserbahn

Country Status (4)

Country Link
US (1) US8495805B2 (zh)
EP (1) EP2265757B1 (zh)
CN (1) CN101981243A (zh)
WO (1) WO2009127520A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011029487A1 (de) * 2009-09-09 2011-03-17 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum vernadeln einer faserbahn
CN104164755A (zh) * 2014-09-26 2014-11-26 绍兴励达无纺布有限公司 一种异步针刺机
CN106757795B (zh) * 2016-12-28 2019-05-24 上海汇泉实业有限公司 一种点状针刺设备及加工工艺
EP3372716B1 (de) * 2017-03-09 2019-09-04 Oskar Dilo Maschinenfabrik KG Nadelmaschine
EP3412819B1 (de) * 2017-06-08 2019-12-25 Oskar Dilo Maschinenfabrik KG Nadelmaschine
EP3693501B1 (de) * 2019-02-06 2022-08-31 Oskar Dilo Maschinenfabrik KG Nadelmaschine
EP3862476B1 (de) * 2020-02-07 2023-08-16 Oskar Dilo Maschinenfabrik KG Nadelmaschine
DE202020106554U1 (de) 2020-11-16 2022-02-17 Autefa Solutions Austria Gmbh Nadelmaschine

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
AT400043B (de) * 1994-03-23 1995-09-25 Fehrer Ernst Vorrichtung zum nadeln eines vlieses
AT400152B (de) 1994-04-28 1995-10-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT400583B (de) * 1994-06-27 1996-01-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT400584B (de) * 1994-06-27 1996-01-25 Fehrer Ernst Vorrichtung zum nadeln eines vlieses
DE19615697B4 (de) * 1995-09-15 2006-04-20 Oskar Dilo Maschinenfabrik Kg Nadelbalkenantrieb einer Nadelmaschine
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
AT407651B (de) * 1999-06-18 2001-05-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT408235B (de) * 1999-10-29 2001-09-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT411271B (de) 2001-04-19 2003-11-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT409868B (de) * 2001-06-12 2002-12-27 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT411468B (de) * 2001-09-06 2004-01-26 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT411272B (de) 2001-10-23 2003-11-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT413387B (de) 2004-03-31 2006-02-15 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
FR2887564B1 (fr) * 2005-06-22 2007-10-26 Asselin Soc Par Actions Simpli Appareil d'aiguilletage pour consolider une nappe de fibres
FR2887565B1 (fr) * 2005-06-22 2007-08-24 Asselin Soc Par Actions Simpli "procede pour ouvrer une nappe dans un appareillage de pre-aiguilletage, et installation mettant en oeuvre un tel procede"
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.
CN101680145B (zh) * 2007-06-15 2012-06-20 恒天(奥地利)控股有限公司 用于对非织造织物纤维网进行针刺的设备
CN101743350B (zh) * 2007-08-04 2011-06-15 欧瑞康纺织有限及两合公司 用于对纤维网进行针刺的设备

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
EP2265757A1 (de) 2010-12-29
CN101981243A (zh) 2011-02-23
US20110179611A1 (en) 2011-07-28
WO2009127520A1 (de) 2009-10-22
US8495805B2 (en) 2013-07-30

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