EP3901348B1 - Aiguilleteuse elliptique a carter etanche et pot de guidage de traversee - Google Patents

Aiguilleteuse elliptique a carter etanche et pot de guidage de traversee Download PDF

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Publication number
EP3901348B1
EP3901348B1 EP21169004.5A EP21169004A EP3901348B1 EP 3901348 B1 EP3901348 B1 EP 3901348B1 EP 21169004 A EP21169004 A EP 21169004A EP 3901348 B1 EP3901348 B1 EP 3901348B1
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EP
European Patent Office
Prior art keywords
column
rod
needle plate
needle
machine according
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
EP21169004.5A
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German (de)
English (en)
French (fr)
Other versions
EP3901348C0 (fr
EP3901348A1 (fr
Inventor
Frédéric DEMANGE
Eric Potdevin
Jean-Christophe Laune
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.)
Andritz Asselin Thibeau SAS
Original Assignee
Andritz Asselin Thibeau SAS
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Publication of EP3901348A1 publication Critical patent/EP3901348A1/fr
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Publication of EP3901348C0 publication Critical patent/EP3901348C0/fr
Publication of EP3901348B1 publication Critical patent/EP3901348B1/fr
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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
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H5/00—Seaming textile materials

Definitions

  • the present invention relates to a needling machine for consolidating by needling a veil or a layer of fibers, in particular of nonwoven, comprising at least one needle board, in front of which the veil or the layer of fibers passes while moving in a feed direction or machine direction or MD, and drive means configured to give the at least one needle board and/or the needles a back and forth movement in the direction perpendicular or substantially perpendicular to the plane of the web or web so that the needles cross in one direction, then in the other, the web or the web of fibers, having an elliptical trajectory.
  • the needle board is secured there to a rod or column which extends along a longitudinal axis and which passes through the wall of a casing by means of a guide pot in which it slides, having a movement at both vertical and in the direction MD thus giving the hands an elliptical trajectory movement, the pot being arranged so as to be able to pivot with respect to an axis extending in the direction CD (i.e. perpendicular to both in the vertical direction and in the MD direction).
  • This needling device of the prior art has the advantage of being able to be received in large part, namely the major part of the column and the drive means of the column, in a sealed casing allowing lubrication of the various parts. and mechanical joints to guarantee increased longevity and reliability of the installation.
  • This needling device however has the disadvantage of being of complex structure, in particular requiring complicated means on the one hand to achieve a phase shift between two eccentric shafts which drive the column to give it an elliptical trajectory movement and on the other hand to seal between the tilting pot and the housing.
  • a needling device comprising a needle board, a column with a vertical axis coupled to the needle board, drive means configured to imparting to the needle board a reciprocating movement so that the needles have an elliptical trajectory, a casing in which a part of the column and drive means are received and a guide pot arranged in an opening of the casing, the column passing through the casing via the guide pot by sliding therein.
  • a needling device comprising a needle board, a column with a vertical axis coupled to the needle board, drive means configured to impart to the needle board a reciprocating movement so that the needles have a vertical trajectory, a casing in which a part of the column and drive means are received and a guide pot disposed in an opening of the casing, the column passing through the casing via the guide pot by sliding there.
  • a needling device is as defined in claim 1, improvements and advantageous embodiments being defined in the subclaims.
  • the drive system according to the invention has the additional advantage that the needles always remain oriented vertically during their elliptical trajectory movement, thus reducing the risk of the needling machine jamming unexpectedly.
  • the first drive means comprise two eccentric connecting rod-shaft systems.
  • the device comprises two columns and two guide pots and the first drive means comprise two connecting rod-eccentric shaft systems, the heads of the connecting rods being articulated to the respective eccentric shafts and the feet of the connecting rods being each hinged to a respective column, the eccentric shafts rotating at the same speed, in opposite directions.
  • the device comprises a column and a guide pot and the first drive means comprise two connecting rod-eccentric shaft systems, the eccentric shafts rotating at the same speed, in opposite directions, the the heads of the connecting rods being articulated to the respective eccentric shafts and the feet of the connecting rods each being articulated to a T-shaped connecting rod, the column being mounted articulated to the intermediate rod of the T.
  • the transverse drive means comprise a control device, which constitutes in itself an invention independent of the invention described above, but which can be combined with the latter, and which comprises: a drive link adapted to be coupled to the needles and/or to the needle board and/or to an element integral with the board or the needles in order to impart to them a back and forth movement in a direction mainly parallel to the direction MD or parallel to the direction MD, an eccentric shaft and a connecting rod, the eccentric shaft driving the connecting rod in rotation along an axis of rotation, in particular which extends along the direction CD perpendicular to the direction MD and to the vertical direction, and the connecting rod being connected to the connecting rod by means of an element forming an intermediate lever pivoting with respect to a pivoting axis, in particular parallel to the axis of rotation of the eccentric shaft, the lever being articulated by a part to the connecting rod, in particular along an axis parallel to the pivot axis and at a distance from the latter, and on the other hand to the drive rod, in particular at
  • control device comprises means for adjusting the reciprocating stroke of the drive rod.
  • the adjustment means adjust the distance between the pivot axis (24) of the lever (23) and the drive rod (27) and/or the distance between the pivot axis (24) of the lever ( 23) and the connecting rod (22).
  • the adjustment means comprise a slider secured to the drive link or to the pivot axis or to the axis of articulation of the link to the lever, the slider and the lever being arranged to allow the slider to slide relative to the lever between several positions, and fixing means for securing the slider to the lever in each of said several positions.
  • the adjustment means comprises a guide slot in which the slider can slide between two extreme positions, in particular a high position in which the drive rod is located at the level of the pivot axis and a low position in which the drive link is as far as possible from the pivot axis, thus allowing, depending on the position in the slot in which the slider is secured to the lever, an adjustment of the amplitude of the movement back and forth of the rod, in particular between a zero amplitude (immobile rod) and a maximum amplitude.
  • the means for fixing the position of the slider in the slot comprise an adjustment rod connected to an adjustment rod, the adjustment rod being articulated to a shaft with an auxiliary eccentric adjustment, the rotation of the adjustment auxiliary shaft allowing adjustment and fixing of the position of the slider in the slot.
  • the means for fixing the position of the slider in the slot comprise an adjustment rod integral with a spiral cam comprising a disk driven in rotation by an auxiliary adjustment shaft in which a slot is formed. spiral along which the adjusting rod can move.
  • the means for fixing the position of the slider in the slot comprise an adjustment rod connected to a adjusting link driven by a jack, allowing linear movement of the adjusting link, the adjusting link being pivotally mounted with respect to the axis of the adjusting rod.
  • FIG. 1 there is shown an embodiment of a needling machine according to the invention.
  • the housing is shown in a sectional view, while the rest of the needling machine is shown in a front view.
  • This needling machine comprises two needle boards 10 comprising needles 1 protruding from the underside of their respective board being arranged either in rows and columns, or randomly or pseudo-randomly, as is well known in the field. .
  • Each needle board 10 is carried by a beam 2, called a moving beam.
  • the respective beam 2 and board 10 are integral with each other, in a removable manner to allow, when the needles are worn and/or broken, to easily replace a board with a new board.
  • the needles are intended to have a back-and-forth movement with an elliptical trajectory from top to bottom and from bottom to top to cross in one direction, then in the other, a sheet or a veil of fibers which are passed in front of it in a direction of 'lead or MD, namely from left to right in the horizontal direction to the figure.
  • Two longitudinal columns 3 extending along a vertical longitudinal axis 11 perpendicular to the plane of the board are each connected to a respective movable beam 2 via two respective vertical intermediate links 9 .
  • Each vertical link 9 is hinged, on the one hand, at its upper end to the lower end of a respective column 3 and, on the other hand, at its lower end to a point 17 of the upper part of a beam 2 respective mobile.
  • First longitudinal drive means are provided to impart to each column 3 a rectilinear back and forth movement in a direction parallel to the longitudinal axis 11, which remains vertical throughout the movement.
  • a sealed casing 7 encloses the first drive means and a part of each column 3, the latter passing through the wall of the casing 7 by passing through respective guide pots 4 .
  • Each guide pot 4 is mounted fixed relative to the housing.
  • Guide rings 18 are arranged on the inner wall of the guide pots 4, to ensure sliding and lubrication between each column 3 and the pot 4 of the respective guide. Sealing between column 3 and guide pot 4 is ensured by a lip seal, not shown, attached to the base of the guide pot.
  • the first longitudinal drive means consist of two systems 6 with eccentric shafts, the shafts of which drive the heads of two connecting rods by rotating at the same speed in opposite directions.
  • the feet of the two connecting rods are mounted hinged to a respective column.
  • first vertical longitudinal drive means make it possible to impart to each column 3 a movement only back and forth along the vertical longitudinal axis.
  • second transverse drive means in the form of a main rod 8 arranged in the direction MD.
  • One end of the connecting rod 8 is hingedly mounted at the point 17 of articulation of the upper part of one of the movable beams 2 to the vertical connecting rod. It is thus imparted to this movable beam 2 a back and forth movement in the direction MD, or substantially in the direction MD (as represented by the double arrow above the link 8 at the figure 1 ).
  • the other end of the connecting rod 8 is coupled to a control system, called the advance system, which can be in particular like those represented below in figures 3 to 5 .
  • an auxiliary link 20 is articulated on the one hand to the end of the main link 8, in particular at point 17 of the mobile beam 2, and on the other hand to the other mobile part, thus also transmitting to the latter the back and forth movement towards MD.
  • FIG. 2 To the picture 2 , there is shown another embodiment of a needling machine according to the invention.
  • the housing is shown in a sectional view, while the rest of the needling machine is shown in a front view.
  • This needling machine comprises a needle board 10' comprising needles 1' protruding from the underside of their respective board being arranged either in rows and columns, or randomly or pseudo-randomly, as is well known in the domain.
  • the needle board 10' is carried by a beam 2', called the moving beam.
  • the beam 2' and board 10' are integral with each other, in a removable manner to allow, when the needles are worn and/or broken, to easily replace a board with a new board.
  • the needles are intended to have a back and forth movement with an elliptical trajectory from top to bottom and from bottom to top to cross in one direction, then in the other, a sheet or a veil of fibers which are made pass in front of it in a direction of lead or MD, namely from left to right in the horizontal direction to the figure.
  • a longitudinal column 3' extending along a vertical longitudinal axis 11' perpendicular to the plane of the board, is connected to the movable beam 2' via a vertical intermediate link.
  • the vertical rod is hinged, on the one hand, at its upper end to the lower end of the column 3' and, on the other hand, at its lower end to a point 17' of the upper part of the beam 2' mobile.
  • First longitudinal drive means are provided to impart to column 3' a rectilinear back and forth movement in a direction parallel to longitudinal axis 11', which remains vertical throughout the movement.
  • a sealed casing 7' encloses the first drive means and part of the column 3', the latter passing through the wall of the casing 7' by passing through a respective guide pot 4'.
  • the guide pot 4' is mounted fixed relative to the casing.
  • the column 3' during its movement back and forth vertically, slides inside the guide pot 4'.
  • Guide rings 18 are arranged on the inner wall of the guide pot 4', to ensure sliding and lubrication between the column 3' and the guide pot 4'. Sealing between column 3' and guide pot 4' is ensured by a lip seal, not shown, attached to the base of the guide pot.
  • the first longitudinal drive means consist of two eccentric shaft systems 6', the shafts of which drive the heads of two connecting rods by rotating at the same speed in opposite directions.
  • the feet of the two connecting rods are mounted articulated to a respective one of the side branches of a connecting rod 19 in T, while the main branch or rod of the connecting rod in T is mounted articulated to the column 3'.
  • These first vertical longitudinal drive means make it possible to impart to the column 3' a movement only back and forth along the vertical longitudinal axis.
  • Second transverse drive means are also provided in the form of a main connecting rod 8' arranged in the direction MD.
  • One end of the connecting rod 8' is mounted articulated at the point 17' of articulation of the upper part of the movable beam 2' to the vertical connecting rod.
  • This mobile beam 2' is thus given a back and forth movement in the direction MD, or substantially in the direction MD (as represented by the double arrow above the link 8' at the picture 2 ).
  • the other end of the connecting rod 8' is coupled to a control system, called the advance system, which can be in particular like those represented below in figures 3 to 5 .
  • FIG. 3 To figure 3 , 3A , 3B , 4A , 4B And 5 , there are shown embodiments of a system that can be used to control the reciprocating movement in the direction MD of the main link 8 of the embodiment of the figure 1 .
  • this control system is not necessary in itself and other control systems for moving back and forth in the direction MD of the link 8 known in the prior art can be used, for example systems such as those described in EP-A1-1736586 , EP-B1-3372716 , FR2738846 , US6161269 and the like.
  • the system comprises an eccentric shaft 21 coupled to a connecting rod 22 mounted articulated directly to a vertical lever 23 in one piece (or possibly consisting of several elements which are not articulated together) arranged to pivot relative to an axis 24 fixed pivot offset, in the vertical direction, below the axis of articulation of the connecting rod 22 to the lever 23.
  • a connecting rod 27 is coupled directly to the lever 23.
  • the connecting rod 27 is secured to a slider 25 and to one end of a rod 26 whose axis extends parallel to the axis 24.
  • the relative position of the rod 26, and therefore also of the link 27, with respect to the pivot axis 24 of the lever along the vertical direction and/or with respect to the axis of articulation of the link 22 at the lever can be adjusted by means of an adjustment system consisting of an eccentric shaft 29 auxiliary adjustment and a rod 28 adjustment.
  • the adjusting rod 28 is articulatedly coupled at its upper end to the eccentric shaft (or crankshaft) 29, while its lower end is pivotally mounted relative to the axis of the rod 26.
  • the lever has an opening in the form of a slot 30, in which slides the slider 25 integral in translation with the rod 26.
  • the amplitude of the back and forth movement of the link 27 can be varied both when running and when stopped, the movement reflected from the movement of the crankshaft 21 and the link 22 acting on the lever 23.
  • the link 27 it can be secured or articulated to the main link of the embodiment of the figure 1 And 2 .
  • FIG. 3A there is shown a variant of the arrangement of the picture 3 .
  • the adjustment of the distance between the connecting rod 22 and the driving connecting rod 27 is carried out by adjusting the position along the slot 30 of the axis 31 of articulation of the connecting rod 22 on the lever 23 , which makes it possible to adjust the distance between the axis 31 of articulation of the link 22 and the fixed axis 24 of pivoting of the lever, and therefore also to adjust the distance between the axis 31 and the link 27, the distance between the link 27 and the axis 24 being, in this variant, fixed, whereas in the embodiment of the picture 3 , it is the distance between the axis 31 and the axis 24 which is fixed.
  • FIG. 3B there is shown a variant of the arrangement of the picture 3 .
  • the adjustment of the distance between the connecting rod 22 and the driving rod 27 is carried out by adjusting the position along a slot 30' formed in the lever 23 of the fixed pivot axis 24 of the lever.
  • the axis 24 of the lever is integral with a slider 25' mounted to slide in the slot 30'.
  • the connecting rod 22 is articulated to the lever 23 along an axis 31 of articulation which is in a fixed position on the lever 23.
  • the end of articulation of the connecting rod 27 to the lever 23 is in a fixed position (as in the embodiment of there picture 3 ).
  • the rod 26 from the rod 28 adjustment is articulated to the lever 23 in a fixed position.
  • FIG 4A And 4B there is shown another embodiment.
  • the main difference between the embodiment of the picture 3 and that of figure 4A And 4B is the way in which the position of the slider 25 is adjusted with respect to the slot 30.
  • a spiral cam is used, consisting of a disc 40 in which is provided a spiral-shaped slot along which the rod 26 can move.
  • the rod 26 follows the profile of the slot 30, which has the effect of moving the rod 26 and therefore the slider 25 along the slot.
  • a given maximum back and forth stroke is obtained for the link 27.
  • FIG. 5 there is shown yet another embodiment, in which a cylinder 41 is used instead of the crankshaft 29 of the picture 3 , the rest of the embodiment being identical.
  • the first drive means made using two eccentric shaft systems to achieve a purely longitudinal movement of the column.
  • Other means can be envisaged, for example a jack system or an eccentric camshaft.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Transmission Devices (AREA)
EP21169004.5A 2020-04-23 2021-04-16 Aiguilleteuse elliptique a carter etanche et pot de guidage de traversee Active EP3901348B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2004058A FR3109588B1 (fr) 2020-04-23 2020-04-23 Aiguilleteuse elliptique à carter étanche et pot de guidage de traversée

Publications (3)

Publication Number Publication Date
EP3901348A1 EP3901348A1 (fr) 2021-10-27
EP3901348C0 EP3901348C0 (fr) 2023-07-12
EP3901348B1 true EP3901348B1 (fr) 2023-07-12

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Application Number Title Priority Date Filing Date
EP21169004.5A Active EP3901348B1 (fr) 2020-04-23 2021-04-16 Aiguilleteuse elliptique a carter etanche et pot de guidage de traversee

Country Status (6)

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US (1) US11499256B2 (ko)
EP (1) EP3901348B1 (ko)
KR (1) KR20210131254A (ko)
CN (1) CN113550078A (ko)
FR (1) FR3109588B1 (ko)
TW (1) TW202146731A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020106554U1 (de) * 2020-11-16 2022-02-17 Autefa Solutions Austria Gmbh Nadelmaschine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849845A (en) * 1973-09-20 1974-11-26 Fehrer Textilmasch Apparatus for needle-punching a web
AT400152B (de) * 1994-04-28 1995-10-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
FR2727990A1 (fr) * 1994-12-08 1996-06-14 Asselin Aiguilleteuse a tige coulissante
FR2729405B1 (fr) * 1995-01-12 1997-04-18 Asselin Dispositif d'actionnement alternatif et aiguilleteuse ainsi equipee
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
AT406390B (de) * 1998-03-31 2000-04-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
GB2335931B (en) * 1998-03-31 2002-03-20 Fehrer Textilmasch Apparatus for needling a web
ATA160899A (de) * 1999-09-21 2000-09-15 Fehrer Monika Mag Vorrichtung zum nadeln einer gemusterten filzbahn
AT408234B (de) * 1999-10-08 2001-09-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
AT408235B (de) * 1999-10-29 2001-09-25 Fehrer Textilmasch Vorrichtung zum nadeln eines vlieses
FR2862988B1 (fr) * 2003-11-28 2007-11-09 Fehrer Textilmasch Dispositif d'aiguilletage d'un matelas de fibres
AT413387B (de) * 2004-03-31 2006-02-15 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"
FR2887564B1 (fr) * 2005-06-22 2007-10-26 Asselin Soc Par Actions Simpli Appareil d'aiguilletage pour consolider une nappe de fibres
US8793848B2 (en) * 2009-09-09 2014-08-05 Hi Tech Textile Holding Gmbh Device for needling a fibrous web
EP3372716B1 (de) 2017-03-09 2019-09-04 Oskar Dilo Maschinenfabrik KG Nadelmaschine

Also Published As

Publication number Publication date
FR3109588A1 (fr) 2021-10-29
CN113550078A (zh) 2021-10-26
EP3901348C0 (fr) 2023-07-12
FR3109588B1 (fr) 2022-10-14
TW202146731A (zh) 2021-12-16
US20210332513A1 (en) 2021-10-28
US11499256B2 (en) 2022-11-15
KR20210131254A (ko) 2021-11-02
EP3901348A1 (fr) 2021-10-27

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