EP2673410B1 - Verfahren und vorrichtung zum verfestigen einer kontinuierlich zugeführten warenbahn - Google Patents

Verfahren und vorrichtung zum verfestigen einer kontinuierlich zugeführten warenbahn Download PDF

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Publication number
EP2673410B1
EP2673410B1 EP12708258.4A EP12708258A EP2673410B1 EP 2673410 B1 EP2673410 B1 EP 2673410B1 EP 12708258 A EP12708258 A EP 12708258A EP 2673410 B1 EP2673410 B1 EP 2673410B1
Authority
EP
European Patent Office
Prior art keywords
strengthening
web
material web
speed
zone
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
EP12708258.4A
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German (de)
English (en)
French (fr)
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EP2673410A1 (de
Inventor
Norbert KÜHL
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 EP2673410A1 publication Critical patent/EP2673410A1/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
    • 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
    • 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 method and a device for solidifying, in particular needling, a continuously fed web according to the preamble of the method and device main claim.
  • the known method and the known device basically have the disadvantage that, on the one hand, greater production speeds are not feasible and, on the other hand, the withdrawal speed of the material web for subsequent process steps has a lack of consistency.
  • Such methods and apparatus are used in the prior art for needling a web, in which the movement of the needles produce a superimposed horizontal feed on the web.
  • Such a method and such a device are for example from the WO 2008/151961 A1 known.
  • the beam support is driven via a vertical drive and simultaneously via a horizontal drive such that the needles are guided on an elliptical guideway, which generates a horizontal stroke on the web at each puncture cycle.
  • the size of the horizontal stroke can be adjusted via the adjustment of the guideway of the needles.
  • a goods throughput can be generated with a goods speed by a correspondingly high puncture frequency and large horizontal stroke, which lead compared to the withdrawal speed to a reduced material distortion by the trigger device.
  • the initial settings of the horizontal feed can only pretend on the basis of empirical values, which are usually a subsequent optimization of the horizontal feed make inevitable. In that regard, readjustments of the machine settings by the operator are often required.
  • the claimed consolidation technique preferably needling technique, has the advantage of improving the quality of the solidification process and the solidification product formed thereby.
  • the solidification process and the solidification product in particular the achieved product properties, can be detected and monitored. In case of deviations, the solidification process can be readjusted if necessary.
  • feeds or needling pattern of the web can be set and controlled specifically.
  • the invention allows an improved, in particular partially or completely automated, setting up and starting a solidification device, in particular a needle machine. Also, the shutdown can be improved. In all these cases, quality defects and rejects can be reduced or avoided.
  • one or more parameters may be detected on the moving web, indicating an indication of a product characteristic, e.g. represent the quality of the generated structure in the web, or for a process property. This advantageously takes place immediately after the solidification zone, in particular needling zone.
  • the parameter or parameters may be of different types.
  • a parameter may e.g. be the speed of the web.
  • Another parameter may relate to volume or surface properties of the web, e.g. Roughness, pattern, fiber structure, density or the like
  • one or more other devices or processes upstream or downstream in the flow of goods can be influenced, in particular controlled or regulated, in an installation as an alternative or in addition to the solidification device.
  • a method according to the invention and a device according to the invention are characterized in particular in that a parameter of the material web is determined which determines the actual state of the material web immediately after solidification, in particular needling, and is suitable as a measure for determining a material distortion by the removal device.
  • a product speed of the needled web in a guide zone located downstream of the take-off device is detected as a parameter.
  • the device according to the invention between the needle bar and the take-off device on a measuring device for detecting a goods speed of the web on within a withdrawal zone upstream guide zone.
  • an inventive method and a Device it is possible to adjust the horizontal feed and thus the goods flow when needling the web directly to a predetermined take-off speed, so that the most uniform possible material movement of the web takes place.
  • the movement of the needles can thus be adapted to the respective material throughput speed such that a difference between the measured actual goods speed and a set take-off speed is as low as possible. This can be abrupt accelerations of material movements, which lead to higher distortion values, avoid.
  • the inventive method in which the goods speed of the web is determined by a non-contact measurement of a goods length per unit time, characterized in that no contact with the web is required to detect the goods speed of the web.
  • further machine parameters such as, for example, a material feed per puncture cycle can be determined.
  • the total produced material lengths of the web can be detected in one process.
  • a device according to the invention is further developed for this purpose in such a way that the measuring device has a sensor device which contains optical means for scanning the material web, in particular a transmitter for generating a light signal and a receiver for detecting reflected light signal.
  • a sensor device which contains optical means for scanning the material web, in particular a transmitter for generating a light signal and a receiver for detecting reflected light signal.
  • a method according to the invention it is provided to compare an actual value of the goods speed with at least one stored limit value of the goods speed.
  • Such monitoring is particularly advantageous if during needlepunching a horizontal stroke optimized for the process should be set.
  • the horizontal stroke is selected as far as possible in such a way that a material movement of the material web which is as uniform as possible prevails, so that the goods speed is adapted to the take-off speed.
  • a lower limit value and an upper limit value can be stored, which are continuously compared with a determined actual value of the goods speed.
  • the machine settings can be monitored for needling the web and corrected when exceeding a limit.
  • the measuring device is connected according to an advantageous development of the device according to the invention with an evaluation unit, by which several Measured values can be stored and / or converted and / or multiple data calculated and / or compared.
  • the development of a method according to the invention is particularly advantageous, in which a control signal is generated immediately after exceeding a limit value of the goods speed.
  • control signal can be fed directly to a machine control device, by means of which the horizontal feed and thus the movement of the needles in the direction of goods travel in the case of needle penetration can be changed.
  • the guideway and / or the guide speed of the needles are changeable.
  • the guideway of the needles is changed to increase or decrease a horizontal stroke on the web.
  • the development of the device according to the invention is preferably used, in which the measuring device is assigned a control module for generating a control signal.
  • the measuring device For automated change of the machine setting while the measuring device is coupled to a machine control device, by which at least one drive of the needle bar is controllable.
  • the development of a method according to the invention is preferably used in which activates the control signal a signal transmitter, which is monitored by an operator.
  • a signal transmitter which is monitored by an operator.
  • the method variant is provided in which the control signal generates a data display on an operating monitor.
  • the development of the device according to the invention is particularly suitable, in which the measuring device is coupled to an operating monitor for visualization of data or signals.
  • the inventive method can also be applied in the variant in which the goods speed of the web is detected in the guide zone between adjacent needling zones.
  • the device according to the invention is designed such that a plurality of needle bars are arranged at a distance one behind the other and that the Messeiricardi is disposed between the needle bar.
  • the placement of the sensor device depends essentially on the nature of the environment and the material management of the web. Basically, however, there is the possibility that the sensor device according to an advantageous embodiment of the invention Device is arranged on an upper stripper plate or on a lower bed plate, which plates are associated with the needle bar.
  • additional decoupling means such as a separate frame, may be provided.
  • the method according to the invention and the device according to the invention are thus particularly suitable for being able to carry out an optimized setting of the machine parameters, particularly in the case of needling machines with a horizontal feed.
  • the continuous monitoring of the goods speed of the needled web can be used to directly record and evaluate parameter changes.
  • the inventive method and apparatus according to the invention is particularly suitable for being able to produce high and uniform product qualities on the web.
  • the invention relates to a device and a method for solidifying, in particular needling, a web 21.
  • the solidifying device is formed in the embodiments shown as a needle machine.
  • the web 21 consists for example of a single-layer or multi-ply web of fibers, which (not shown) formed by a preceding cross-stacker or nonwoven layer of a single or multi-ply pile and the solidification device is supplied.
  • the stacker or nonwoven layer can be preceded by a pile producer, eg a card or card.
  • the mentioned Machines can be part of a system, in particular nonwoven system.
  • Fig. 1 shows a solidification device in the form of a needle machine with a solidification or needling zone with a beam support 2 arranged there, 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 20 and a stripper plate 19, wherein between the bed plate 20 and the stripper plate 19, a web 21 is guided.
  • the direction of movement of the web 21 is characterized by an arrow.
  • a take-off device 24 On an outlet side of the needle bar 1 is associated with a take-off device 24, which is formed in this embodiment by two cooperating take-off rollers 25.1 and 25.2.
  • the take-off rolls 25.1 and 25.2 are driven at a peripheral speed such that the web 11 is guided out of a needling zone and fed to a follow-up process at a take-off speed.
  • the needling zone here is identical to the region in which the needles 4 of the needle bar 1 treat the web 21.
  • the solidifying device in particular the needling machine shown, may comprise a retraction or feeding device (not shown) with driven rollers or the like prior to the hardening or needling zone.
  • the extraction device 24 preferably runs faster than the intake device to exert a tensile force on the web (21).
  • the drive of the needle bar 1 can be configured as desired. It is formed in this embodiment by a crank mechanism 5, which has two parallel juxtaposed crank drives 6.1 and 6.2.
  • the crank drives 6.1 and 6.2 contain 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 one or more connecting rods.
  • Fig. 1 are on the beam support 2 two connecting rods 7.1 and 7.2 shown, which are held with their Pleuelköpfen 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 perform the beam support 2 and thus the needle bar 1 in an oscillating motion.
  • the crankshaft 9.1 is associated with a phase adjustment device 11.
  • the phase adjustment device 11 has a control gear 18 and a co-operating with the actuating gear 18 Stellaktor 12.
  • the adjusting gear 18 is coupled to set a phase angle ⁇ with the crankshaft 9.1.
  • a control device 13 is provided, which is connected to the Stellaktor 12. Via the control device 13, the Stellaktor 12 can be activated to rotate the crankshaft 9.1 in their camp.
  • 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 pan or horizontal movement of the beam support 2.
  • crankshafts 9. 1 and 9. 2 have a phase coincidence and a synchronous run, an approximately vertical upward and downward movement is carried out.
  • an oscillating oblique position is introduced via the connecting rods 7.1 and 7.2 on the beam support 2, which generates a horizontal feed on the web 21 as the movement progresses.
  • the needles 4 thereby move along a closed elliptical curved path with a horizontal movement and stroke component.
  • the size of the phase adjustment between the crankshaft 9.1 and 9.2 determines a stroke length of the horizontal stroke.
  • the stroke length of the horizontal stroke can be adjusted continuously via the phase angle ⁇ of the crankshaft 9.1.
  • the phase angle ⁇ is in this case set by the phase adjuster 11 in an angular range of 0 ° to 30 ° depending on the desired stroke length.
  • a guide device 14 is provided, which is formed in this embodiment by a guide arm 15 which is connected via a first pivot 16.1 with the beam support 2 and a second pivot 16.2 with a coupling kinematics 17.
  • a measuring device 22 for detecting a parameter for example a goods speed
  • the measuring device 22 is formed in this embodiment by a non-contact sensor device 23 which is held at a distance from the web 21.
  • the sensor device 23 has not shown optical means for scanning the web, in particular by a transmitter for generating a light signal and a receiver for detecting reflected light signals are formed.
  • a laser diode or a laser could be used as the transmitter, which generates a bundled light signal and directs it to the surface of the material web 21. From the transmitted and reflected light signals can thus physical parameters such as a length or a speed of the web detect.
  • the sensor device could generate measuring signals which are converted to a material speed by the laser Doppler method.
  • the measuring device 22 is coupled to an evaluation unit 27 which is connected to the machine control device 13.
  • the actual values of a goods speed of the web 21 detected via the measuring device 22 can be analyzed and used to set machine parameters.
  • FIG. 1 an operating state is shown, in which the crankshaft 9.1 and 9.2 are driven synchronously in opposite directions.
  • the crankshaft 9.1 a phase angle ⁇ ⁇ 0, so that in addition to the pure vertical upward and downward movement a superimposed pivotal and horizontal movement is initiated on the beam support 2.
  • the needles 4 on the underside of the needle bar 1 are thus guided in an oscillating manner on a closed elliptical guideway so that a horizontal needle feed on the material web 21 is produced during a puncturing cycle.
  • the horizontal movement of the needles 4 can be adapted to the withdrawal speed, in particular synchronized. This makes it possible to produce a substantially uniform product speed of the material web 21, so that material distortion by the removal device 24 is substantially avoided.
  • a needling pattern can be influenced and adjusted.
  • the adjustment of the stroke length and speed of the horizontal stroke on the needle bar 1 is adapted to the production speed of the web 21.
  • a phase angle is initially set via the phase adjustment device 11, so that a needling process can be started.
  • the product speed of the web 21 is now detected by the sensor device 23.
  • An actual value of the goods speed can now be compared within the evaluation unit 27 with a stored tolerance band, which has at least one or even two limit values for the goods speed, which require a readjustment of the machine parameters when exceeded.
  • a control signal can be generated which is fed to the machine control device 13 via the evaluation unit 27.
  • a correction of the set phase angle ⁇ on the crankshaft 9.1 could then take place in order to reduce or increase the guideway of the needles 4 and thus the horizontal stroke of the needle bar 1.
  • the guide speed of the needles 4 and thus the puncture frequency of the needle bar can be changed.
  • the drive of the needle bar 1 can be adjusted to the respective production speed or the withdrawal speed of the discharge device 24 become.
  • Fig. 2 schematically an arrangement of a device according to the invention is shown, as it could be used for example in a semi-automatic machine.
  • the device is only schematically indicated by two needle bar 1.1 and 1.2 arranged one behind the other, each carrying a needle board 3 with a plurality of needles 4 on their undersides.
  • Each of the needle bars 1.1 and 1.2 thus forms a needling zone in which a web 21 is needled.
  • the material flow direction is in Fig.
  • the web 21 is withdrawn by the withdrawal device 24 from the two needle punching zones.
  • the web 21 is guided in the needling zones between a stripper plate 19 and a bed plate 20, which are associated with the two needle bars 1.1 and 1.2.
  • a measuring station with the measuring device 22 is arranged in a guide zones downstream of the needling zones, which extends between the last needle bar 1.2 and the withdrawal device 24, a measuring station with the measuring device 22 is arranged.
  • the measuring station has a lower guide plate 31 and an upper measuring plate 32.
  • the web 21 is guided between the lower guide plate 31 and the upper measuring plate 32.
  • the upper measuring plate 32 is associated with the sensor device 23, which has a transmitter and receiver for non-contact scanning of the web 21.
  • Such sensor devices 23 are known in the prior art, so that no further explanation takes place at this point.
  • the measuring device 22 is connected to an evaluation unit 27 and a control module 28.
  • the control module 28 is coupled via a signal line with a signal generator 29.
  • the signal generator 29 has in this embodiment, a light source through which a visual signal can be generated.
  • the goods speed of the web 21 can be detected continuously via the sensor device 23.
  • the measuring signals of the sensor device 23 are converted within the evaluation unit 27 into an actual value of the goods speed of the material web 21 and compared with a stored limit value or a stored tolerance band with an upper and a lower limit value.
  • a signal is generated via the control module 28 and the signal generator 29 is abandoned to activate the light source.
  • an operator recognizes that there is a limit value overrun or lower limit value of the goods speed, which may require a change of the machine parameters.
  • the signal generator could have a plurality of bulbs with different color setting. Thus, it is immediately apparent to the operator whether an excessive goods speed or too low a goods speed of the web 21 prevails within the guide zone.
  • the web 26 is needled by two needle bars 1.1 and 1.2 arranged one behind the other.
  • the measuring device 22 is also possible to arrange the measuring device 22 in a guide zone which extends between the needling zones of the two needle bars 1.1 and 1.2.
  • Fig. 3 schematically an arrangement of the device according to the invention is shown, in which the measuring device 22 is disposed between the needle bar 1.1 and 1.2.
  • the needle bar 1.1 and 1.2 associated stripper plate 19 is formed in several parts, to allow a contactless scanning of the web 21 by the sensor device 23 between the needling.
  • the measuring device 22 could also be arranged opposite to the needle bar 1.1 and 1.2, so that the bed plate 20 is to be formed in several parts to allow scanning of the web 21 from the bottom by the sensor device 23. This arrangement is in Fig. 3 shown in dashed lines.
  • the measuring device 22 is connected via the evaluation unit 27 with a control panel 30.
  • the speed monitor of the measured goods speed can be displayed directly on the operating monitor 30. In this way, an operator could immediately recognize the result of setting changes of the machine parameters in the course of the actual values of the goods speed of the material web 21.
  • the material flow direction is also marked by an arrow.
  • the take-off device 24 is driven by two take-off rolls 25.1 and 25.2 as in the aforementioned embodiment.
  • the drive of the take-off rolls 25.1 and 25.2 is also controllable, so that a control device of the take-off device 24 can also be coupled to the machine control device 13, so that for setting an optimized goods throughput speed of the web 21 and the take-off speed by the take-off rolls 25.1 and 25.2 is changeable.
  • FIGS. 1 to 3 illustrated embodiments of the inventive device for carrying out the method according to the invention are measuring devices with non-contact sensor devices shown, which allows scanning of the web via optical means.
  • the web 21 can be scanned after needling by a non-contact sensor device.
  • optical sensor devices which operate on the laser Doppler principle have proven successful.
  • two stations via a transmitter Produces laser beams which give a strip pattern on the surface of the web, which leads to reflections which are received by a receiver.
  • the required measurement data such as, for example, a path length or a speed of the material web, are calculated via a digitization and a microprocessor.
  • FIG. 4 A measured according to the laser Doppler method speed course of the web in a conventional needling process without a horizontal feed of the web is in Fig. 4 shown schematically.
  • a piercing cycle of the needle can be subdivided into four zones at the rate of goods.
  • the needles are in the groove in the web.
  • the material is held and stretched between the take-off device and the needle bar-acting material stretch.
  • phase II the needles are guided out of the groove, whereby a jump in the material is detected. This leads to high speeds by slipping of the material in the web.
  • phase III a free material movement takes place, which adjusts itself in phase IV as a feed rate adapted to the take-off speed. Then the needles go back into the groove so that the cycle starts from the new one.
  • the method according to the invention and the device according to the invention are therefore particularly suitable for needle punching processes with adjustable horizontal feed, in which the needles are guided on a circumferential guideway which generates a material feed on the material web during the puncturing cycle.
  • the method according to the invention can be detected by the method according to the invention by a path measurement and the horizontal strokes set per puncture cycle and used to optimize the process.
  • transverse movements also occur within the material web.
  • These transverse movements which are also referred to as so-called jumping in of the material, can be detected directly by such optical sensor devices and fed to a visualization. Since the jump of the material has a substantial influence on the quality of the material Needle image has, so further optimizations can be observed in the setting of the machine parameters.
  • the method according to the invention and the device according to the invention are not limited to needle machines whose needle bars are driven by a horizontal feed. Basically, this can also optimize needling processes in which the one or more needle bars are driven with a pure vertical movement.
  • Fig. 1 shown adjusting mechanism for adjusting the horizontal feed only by way of example.
  • the invention can be combined with any automatic or manual adjusting mechanism of known needle machines, for example a needle-punching machine according to the invention EP 0 892 102 A having separate drives for the vertical and horizontal feed of the needles.
  • the solidification device and the solidification process may be modified, the solidification being e.g. by thermal or chemical methods or by a fluid blasting method or by the Malivlies or Malim method or in any other suitable manner, and instead of the needling zone another hardening zone is present.
  • the measuring device 22 or the sensor device 23 are then preferably located between this solidification zone and the removal device 24.
  • the measuring device (22) and the sensor device (23) can be modified. They are preferably located directly at the exit of the consolidation or needling zone and can be attached to a local machine part. You can alternatively in the Guiding zone be arranged at a distance from the solidification or Vernadelungszone.
  • the design and function of the measuring and sensor device (22, 23) can vary.
  • the surface of the web (21) can be scanned in order to detect their surface quality, in particular their homogeneity.
  • the density or thickness of the web (21) can be detected.
  • the measuring device (22) may vary. In particular, it can have a plurality of and possibly different sensor devices (23) which are arranged concentrated or distributed in the said guide zone.
  • Said one or more parameters may alternatively or in addition to the machine control device (13) supplied to other control devices of upstream and / or downstream machines in the web flow and evaluated there in a suitable manner and used for control or regulatory purposes or other purposes.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Finger-Pressure Massage (AREA)
  • Treatment Of Fiber Materials (AREA)
EP12708258.4A 2011-02-08 2012-02-08 Verfahren und vorrichtung zum verfestigen einer kontinuierlich zugeführten warenbahn Not-in-force EP2673410B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011010516 2011-02-08
PCT/EP2012/052125 WO2012107486A1 (de) 2011-02-08 2012-02-08 Verfahren und vorrichtung zum verfestigen einer kontinuierlich zugeführten warenbahn

Publications (2)

Publication Number Publication Date
EP2673410A1 EP2673410A1 (de) 2013-12-18
EP2673410B1 true EP2673410B1 (de) 2015-03-25

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US (1) US9388518B2 (zh)
EP (1) EP2673410B1 (zh)
CN (1) CN103354849B (zh)
WO (1) WO2012107486A1 (zh)

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CN113046874B (zh) * 2021-03-15 2022-08-23 博兴融智科技创新发展有限公司 一种纺织并条效果强化装置
CN113279152B (zh) * 2021-05-20 2022-02-08 河北前进无纺集团有限公司 一种抗高强度拉伸的油毡布智能制备系统
FR3126008A1 (fr) * 2021-08-03 2023-02-10 Andritz Asselin-Thibeau Aiguilleteuse pour consolider un voile ou une nappe de fibres, notamment de non tissé, assemblage comportant un voile ou une nappe de fibres et une aiguilleteuse de ce genre et procédé pour faire fonctionner une aiguilleteuse ou un assemblage de ce genre
CN115872122B (zh) * 2023-02-09 2023-05-23 山东日发纺织机械有限公司 一种传送速度的控制方法、控制器及生产线

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US6568050B2 (en) * 2001-02-26 2003-05-27 Messier-Bugatti Method and installation for advancing a needled fiber plate
FR2821632B1 (fr) 2001-03-02 2003-08-08 Messier Bugatti Machine d'aiguilletage munie d'un dispositif de mesure de penetration
FR2825382B1 (fr) 2001-06-05 2003-09-12 Messier Bugatti Procede de controle en temps reel de l'aiguilletage de structures fibreuses et dispositif d'aiguilletage pour sa mise en oeuvre
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FR2877019B1 (fr) * 2004-10-22 2007-04-06 Asselin Soc Par Actions Simpli Machine de consolidation a frappe alternative
US8512607B2 (en) * 2005-03-03 2013-08-20 Ahlstrom Corporation Process for producing nonwoven fabrics particularly soft, resistant and with a valuable appearance
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"
CN200971406Y (zh) 2006-11-08 2007-11-07 高忠林 针刺生产线的输布装置
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

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CN103354849A (zh) 2013-10-16
CN103354849B (zh) 2016-10-26
US20140310928A1 (en) 2014-10-23
WO2012107486A1 (de) 2012-08-16
EP2673410A1 (de) 2013-12-18

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