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EP3274495B1 - Tendeur de largeur de tissu d'une machine à finir - Google Patents

Tendeur de largeur de tissu d'une machine à finir Download PDF

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Publication number
EP3274495B1
EP3274495B1 EP16711198.8A EP16711198A EP3274495B1 EP 3274495 B1 EP3274495 B1 EP 3274495B1 EP 16711198 A EP16711198 A EP 16711198A EP 3274495 B1 EP3274495 B1 EP 3274495B1
Authority
EP
European Patent Office
Prior art keywords
chain
needle carriage
needle
rollers
carriage
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
EP16711198.8A
Other languages
German (de)
English (en)
Other versions
EP3274495A1 (fr
Inventor
Rainer Möllmann
Andreas Stücker
Matthias Wittwer
Axel Hundertmark
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.)
Schlatter Deutschland & Co KG GmbH
Original Assignee
Schlatter Deutschland & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlatter Deutschland & Co KG GmbH filed Critical Schlatter Deutschland & Co KG GmbH
Publication of EP3274495A1 publication Critical patent/EP3274495A1/fr
Application granted granted Critical
Publication of EP3274495B1 publication Critical patent/EP3274495B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/02—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus
    • D06C3/025—Driving or guiding means for stenter chains
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/02—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus
    • D06C3/023—Chains

Definitions

  • the invention relates to a fabric broadcaster according to the preamble of claim 1.
  • Equipment machines serve to give a textile web the desired dimensional stability by means of a so-called heat setting.
  • the term textile web encompasses various webs of different materials, in particular as an endless web, which, for B. natural or synthetic fibers may contain exclusively or possibly together with metallic wires, and which may be configured as a fabric, scrim, knitted fabric or as a so-called nonwovens.
  • a fabric web of plastic threads may have been produced on a weaving machine, wherein this fabric web is not yet dimensionally stable after weaving. Since this is a very common application in practice, such a fabric is regularly mentioned below, without the present proposal being limited thereto.
  • the fabric web may be incomplete dimensional stability be disadvantageous, for example, when the fabric web is sewn to a closed endless web and in a production machine, for example in the field of paper production, to be used as a circulating belt. Dimensional changes in the longitudinal or transverse direction within the production machine can lead to malfunctions.
  • the mentioned equipment machine serves to fix the textile material with the aid of heat.
  • an elongation of the textile web can be provided in the finishing machine, for example, by the textile web is guided around two pulleys and their distance is gradually increased.
  • the textile web does not shrink uncontrollably transversely to the longitudinal direction due to the tension and heat applied in the longitudinal direction, but rather retains a defined width or width stress.
  • the fabric widths which mechanically detect the two edges of the textile web in its passage through the thermal treatment zone and keep in the desired width.
  • the needles used for this purpose are arranged on each of the two edges of the fabric web in a plurality of so-called needle carriages, which are guided on a chain.
  • the individual needle carriage are movable relative to the chain, so that the distance between the individual needle carriage can be changed, for example, in adaptation to the longitudinal extension, which is conveyed to the textile web.
  • springs are provided on the individual needle carriages, and the respective needle carriage is movable only by overcoming the spring forces relative to a drive chain provided to drive a plurality of needle carriages.
  • Each needle carriage is connected to the chain via a driver, and between Driver and chain, the springs are provided.
  • the needle carriages have horizontally arranged guide rollers which are rotatable about an upright axis and bear against an upright guide surface and support the needle carriage against the tensile forces which it has sought to shrink Textile web acting on the needle carriage. each run in a groove, so that the needle carriage are secured against tipping forces. These tipping forces occur because the tension of the textile web causes tensile forces to act on the needle carriages in the region of the needles, and because the needles are arranged at a distance above the horizontal guide rollers. Due to the respective resulting moment the needle carriages are anxious to tilt their directed towards the textile web inner rollers while lifting the outer, further spaced from the textile web roles. Laying the roles not with its peripheral surface, but with its side surface to a leadership or support profile, so here occurs a relatively high friction, which also affect the relative mobility of the needle carriage to the chain and undesirably high, acting on the textile web forces can cause.
  • a fabric dispenser in which the needles are centered by means of springs, that is, in two opposite directions are each supported by the springs against the rest of the needle carriage.
  • the invention has for its object to improve a generic fabric broader to the effect that this allows the smoothest possible adjustment of the position of the needle carriage to the expansion conditions of the textile web and thus allows the smoothest possible Verschiebebewegige the needle carriage against the chain on which the needle carriage are performed.
  • the invention proposes that the rollers which support the needle carriage against tilting forces are not arranged horizontally, that is to say are rotatable about an upright axis, but rather are mounted rotatably about a horizontal axis, so that these rollers are referred to as upright rollers .
  • guide surfaces are provided above or below the rollers, on which the upright rollers are supported.
  • the upright rollers are, for example, from below a guide surface, which is provided above the upright rollers, so that the outside of the needle carriage is secured against lifting forces or against moments, which seek to lift the outside of the needle carriage.
  • each upright rolls are arranged side by side on the needle carriage, for example, arranged on a common imaginary or physically realized axis, so in the context of the present proposal to the textile web closer upright role of a run in Vorlauf- or Hätrum needle carriage as the inner upright role and the the textile web further removed upright role called outer upright role.
  • the inner upstanding rollers run on a guide surface located below these rollers while the outer upright rollers run on a guide surface located above these rollers.
  • the driver is supported by means of compression springs to both end sides of the needle carriage, so that a relative movement of the needle carriage against the chain, ie against the driver, overcoming the respective spring force is possible and to such an extent that the corresponding spring, which is usually designed as a helical compression spring, goes to block.
  • the driver has a slider which is movably mounted and guided on the needle carriage, so that the needle carriage is movable relative to the driver and this slider back and forth and accordingly can be moved back and forth with respect to the chain, for example opposite the speed speed with which the chain can run, lead or run.
  • the slider is freely movable in this advantageous embodiment of the temple, so free of spring forces, so that the displacement of the needle carriage relative to the chain solely due to the movements within the textile web takes place, for example due to the stretching of the textile web.
  • the needle carriage can thus be moved particularly sensitively relative to the chain, because apart from the improved friction of the rollers of the needle carriage in their guide rails no spring forces are overcome before the needle carriage can follow corresponding forces acting through the textile web on the needle carriage.
  • the chain can be configured as a roller chain.
  • the two tabs of the driver attack outside the middle chain plane. This is advantageous in that, for example, drive wheels are immersed in this middle chain plane between the rollers. Drivers which engage in the chain in this central chain plane, therefore, can only have a limited penetration depth or require special chain drive wheels with recesses into which the driver can dip. However, if it is advantageous to allow different distances of the needle carriage from the chain, so the two tabs can be configured to be correspondingly long and overlap the chain accordingly far without colliding with obstacles such as the mentioned drive wheels to get to.
  • At least one of the two lugs of a driver has a slot which extends transversely to the chain, so that the extended driving pin of the chain can dive into this slot.
  • the slot is surrounded on all sides by the material of its tab, so that tensile forces can be transmitted across the chain. In this way it is ensured that the needle carriage always remains captive connected to the chain. If at the opposite tab the slot ends freely, this allows a particularly smooth and fast connection of the needle carriage to the chain, the free-ending slot allows no tensile forces, but at least the transmission of driving forces in the longitudinal direction of the chain.
  • the slider is movable almost over the full length of the needle carriage. hereby a so wide adjustment of the slider is made possible that under the relative movements occurring in practice there is a virtually unrestricted movement of the needle carriage against the chain.
  • This wide adjustment of the slider on the needle carriage can be realized for example by a guide rod or guide rail, along which the slider can be moved, wherein at the two front and rear ends of the needle carriage stops are provided, for example, for holding the guide rod or guide rail serve, and also limit as a stop the mobility of the slider, so that this is held captive on the needle carriage.
  • Fig. 1 is generally designated 1 a spreader in which a part of its total length is not shown and a plurality of needle carriage 2 along a revolving chain 3 are arranged.
  • the needle carriage 2 are indicated purely schematically, their construction is rather later on the basis of Fig. 2 to 5 explained in more detail.
  • Fig. 1 illustrated spreader is used to hold a longitudinal side of a textile web along a predetermined line, so that a textile web retains its desired width even during a heat treatment.
  • a same spreader as in Fig. 1 shown wide holder 1 is provided so that both longitudinal edges of the textile web are detected and thus the width of the textile web is maintained even under the action of heat.
  • Fig. 1 In the embodiment of the Fig. 1 is provided that several in Fig. 1 Needle cars 2 shown below capture the textile web, while the needle carriage 2 shown above are in the return. At or just before the designated N point, the needles, so the engagement of the needles of a needle carriage 2 takes place in the textile web, while at or shortly after the designated A point, the needling takes place, so the separation of the needle carriage from the textile web. Between these two needle and Ausnadelstellen N and A is a heat zone W, in which the desired heat treatment, for example, a so-called heat-setting takes place.
  • Fig. 1 It can be seen that the distance of the needle carriage 2, where the needle carriage 2 between the needling and the needling are in engagement with the textile web, in the strip running direction becomes larger.
  • the tape running direction of the textile web leads according to Fig. 1 From left to right through the heat zone, and due to the progressive stretching of the textile web, the distances between each two adjacent needle carriage 2 increase accordingly.
  • a textile web 29 shown in fragmentary form, whose direction is illustrated by an arrow marked “L” arrow.
  • Arrows labeled “S” pointing from the spreader 1 to the central or longitudinal axis of the textile web 29, in FIG Fig. 1 So down, clarify the shrinkage force with which the textile web 29 acts on the temple 1.
  • the needle carriages 2 develop a respectively equal but opposite spreading force, which tends to pull the textile web 29 to the outside, so that the shrinkage force is compensated and as a result the width of the textile web 29 remains unchanged.
  • Fig. 2 shows a needle carriage 2 on a larger scale than Fig. 1
  • Guide rails which are provided above and below the rollers 4, but not shown in the drawing are used to secure the needle carriage 2 against tipping forces.
  • These rollers are the rollers 4 with their peripheral surfaces, so that the rollers 4 can roll relative to these guide rails and only rolling friction between the needle carriage 2 and the guide rails occurs.
  • Lying side guide rollers 12 are rotatably supported about upright axles 5 and serve to guide the needle carriage 2 in the lateral direction.
  • the side guide rollers 12 are arranged above the upright rollers 4 on the needle carriage 2.
  • Fig. 2 further shows a driver 23 which connects the needle carriage 2 with the chain 3, as will be explained later.
  • Fig. 1 shows in the region of the two deflecting the wide holder 1 two guideways 11.
  • the needle carriage 2 has a plurality of needles 14 which are not in Fig. 2 but for example in Fig. 5 can be seen.
  • the lying aligned axes are marked with 15, around which the upright rollers 4 are rotatable.
  • Fig. 5 shows a vertical section through the needle carriage 2 transverse to the direction of travel.
  • the needles 14 extend through the textile web 29 and the shrinking force S acting on the needle carriage 2 from the textile web 29 acts in the direction of the associated arrow marked S.
  • the needle carriage 2 is supported with its side guide rollers 12. Since the shrinkage force S acts above the upright rollers 4 and also above the lying side guide rollers 12 on the needle carriage 2, tilting forces act on the needle carriage 2, against which the needle carriage 2 is supported with its upright rollers 4.
  • the needle carriage 2 runs in a guide profile 30, whose cross section is formed of a plurality of separate profile sections.
  • the areas where the upright rollers 4 and the side guide rollers 12 exert pressure on the guide profile 30 and the needle carriage 2 initiates the shrinking and tilting forces in the guide profile 30 are in Fig. 5 indicated by arrows "D".
  • a needle carriage 2 is shown in perspective, but in each case without the needles 14 provided on its upper side.
  • the upright rollers 4 are located in a lower plane, while the lying side guide rollers 12 are arranged in an upper plane of the needle carriage 2.
  • a driver 6 is provided in each case, which in the two embodiments of the FIGS. 2 and 3 is configured in each case as a slider 19 which is movable by means of a brass sleeve 20 on a steel guide rod 21 in the longitudinal direction of the needle carriage 2.
  • the guide rod 21 is attached to the two ends of the needle carriage 2 to support arms 22, which also each form a stop for the mobility of the slider 19 along the guide rod 21.
  • the slider 19 is therefore movable almost over the entire length of the needle carriage 2. In the illustrated embodiments, this adjustment is not reduced by spring elements, since the guide rod 21 between the stops 22 and the slider 19 is in each case free of additional elements, such as the aforementioned spring elements.
  • FIGS. 2 and 3 differ in the embodiment of the sliders 19: in the embodiment of Fig. 2 a finger 23 is provided which extends between two adjacent rollers of the chain 3 designed as a roller chain. A so-called Mit Buffalotician 31 is located where the two intersect by the guide rod 21 and extending through the finger 23 respective longitudinal axes. Due to the mobility of the slider 19 along the guide rod 21, the driving point 31 is movable in the longitudinal direction of the needle carriage 2 and, as explained above, can travel almost over the entire length of the guide rod 21. Due to the fact that the finger 23 can diverge to a different extent into the chain 3, namely between two adjacent rollers, a mobility of the driving point 31 in transverse to the chain 3 is also possible, as will be explained in more detail later.
  • the driver 6 has an upper tab 24 and a lower tab 25.
  • both tabs 24 and 25 each have a slot 26 and 27 is provided.
  • the slot 26 in the upper flap 24 is surrounded by the material of the tab 24, so that the driver 6 can also transmit tensile forces acting transversely to the longitudinal axis or direction of movement of these two elements between the chain 3 and the needle carriage 2.
  • the slot 27 is open towards the chain 3 and has at its mouth also insertion bevels 28, so that the assembly of the needle carriage 2 on the chain 3 in a particularly simple manner possible.
  • the needle carriage 2 is this obliquely attached to the chain 3, so that the slot 26 of the upper flap 24 engages around the upper projection of a driving pin of the chain 3. Subsequently, the needle carriage 2 is pivoted downward until the slot 27 of the lower flap 25 engages around the lower projection of the same driving pin.
  • Fig. 4 is a spreader 1 in a schematic plan view and compared to Fig. 1 shown on a larger scale, wherein a part of the temple 1 is broken away and essentially only the two areas are shown, in which the chain 3 is deflected.
  • the chain 3 is indicated by dash-dotted lines, as are the guide rods 21, which are thus represented only by their respective longitudinal axis. Intersection points of these longitudinal axes of the guide rods 21 with the longitudinal axes of the driver 6 mark the respective driving points 31.
  • the needle carriage 2 are according to the second embodiment the Fig. 3 designed. In the area of the left-hand guideway 11, the needle carriages 2 are driven exclusively by the revolving chain 3.
  • the sliders 19 and the driver 6 at the front in the direction of movement stop 22 Due to the driving resistance of the needle carriage 2 are the sliders 19 and the driver 6 at the front in the direction of movement stop 22. After the needles 14 of the needle carriage 2 are immersed in the tissue, behind the station N, the drive of the needle carriage 2 takes place through the Tissue, and due to the longitudinal expansion of the fabric of the needle carriage 2 leads the chain 3 ahead. Since the drivers 6 run at the speed of the chain 3, the front stop 22 moves forward relative to the slider 19, so that the slider 19 until shortly before the opposite - Fig. 4 : the right - deflection of the chain 3, namely approximately to the Ausnadelstation A, almost or even completely up to the rear end 22 in the direction of travel is approximated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (5)

  1. Tendeur de largeur de tissu (1) d'une machine à finir,
    muni d'une chaîne (3) continue
    et d'une pluralité de chariots à aiguilles (2) pourvus d'aiguilles (14) orientées verticalement, dont les extrémités libres sont tournées vers le haut,
    ainsi que d'un entraîneur (6) qui s'étend avec un effet d'entraînement entre un chariot à aiguilles (2) et la chaîne (3), de telle sorte que le chariot à aiguilles (2) est entraîné par la chaîne (3) et guidé en même temps que la chaîne (3),
    le chariot à aiguilles (2) étant mobile par rapport à la chaîne (3) dans le sens longitudinal de la chaîne (3), en ce que la position de l'entraîneur (6) est variable par rapport à la chaîne (3) et/ou par rapport au chariot à aiguilles (2),
    et des roulettes (4), qui soutiennent le chariot à aiguilles (2) contre l'action de forces de traction et de basculement sur un rail de guidage, étant prévues sur le chariot à aiguilles (2),
    caractérisé en ce
    que les roulettes (4) qui soutiennent le chariot à aiguilles (2) contre les forces de basculement sont disposées de sorte à être chacune susceptible de tourner autour d'un axe couché (15),
    et que l'entraîneur (6) présente une pièce coulissante qui est disposée et guidée en libre translation sur le chariot à aiguilles (2) dans le sens longitudinal de la chaîne (3) sans être contraint par des forces de ressort.
  2. Tendeur de largeur selon la revendication 1, caractérisé en ce que la chaîne (3) est conçue en tant que chaîne à rouleaux et que l'entraîneur (6) s'étend dans l'espace libre entre deux rouleaux de la chaîne (3).
  3. Tendeur de largeur selon la revendication 1, caractérisé en ce que la chaîne (3) est conçue en tant que chaîne à rouleaux et que l'entraîneur (6) présente deux éclisses qui s'étendent chacune de part et d'autre de la chaîne (3) jusqu'à une extrémité d'un axe de chaîne.
  4. Tendeur de largeur selon la revendication 3, caractérisé en ce qu'au moins une des deux éclisses présente un trou oblongue à la transversale de la chaîne (3) de telle sorte que l'écart entre le chariot à aiguilles (2) et la chaîne (3) est variable tout en maintenant une transmission de force, avec effet d'entraînement, de la chaîne (3) au chariot à aiguilles (2).
  5. Tendeur de largeur selon l'une des revendications précédentes, caractérisé en ce que la pièce coulissante est mobile sur sensiblement toute la longueur du chariot à aiguilles (2).
EP16711198.8A 2015-03-27 2016-03-15 Tendeur de largeur de tissu d'une machine à finir Active EP3274495B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015104805 2015-03-27
DE102015109601.3A DE102015109601A1 (de) 2015-03-27 2015-06-16 Gewebe-Breithalter einer Ausrüstungsmaschine
PCT/EP2016/055521 WO2016156025A1 (fr) 2015-03-27 2016-03-15 Tendeur de largeur de tissu d'une machine à finir

Publications (2)

Publication Number Publication Date
EP3274495A1 EP3274495A1 (fr) 2018-01-31
EP3274495B1 true EP3274495B1 (fr) 2019-04-17

Family

ID=56890211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16711198.8A Active EP3274495B1 (fr) 2015-03-27 2016-03-15 Tendeur de largeur de tissu d'une machine à finir

Country Status (3)

Country Link
EP (1) EP3274495B1 (fr)
DE (1) DE102015109601A1 (fr)
WO (1) WO2016156025A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113930926B (zh) * 2021-09-26 2022-11-11 山东大学 一种拉幅定型机补针装置及使用方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530119A (en) * 1949-01-27 1950-11-14 Dungler Julien Tentering machine
GB1136709A (en) * 1964-11-28 1968-12-18 Dornier Gmbh Lindauer Improvements in or relating to tenter frames
DE2646802A1 (de) * 1976-10-16 1978-04-20 Famatex Gmbh Fabrik Fuer Texti Kettenfuehrung fuer spannrahmen
FR2495197A1 (fr) * 1980-10-14 1982-06-04 Marshall & Williams Co Rame, pince a galets et ensemble de pinces et de rails pour une telle rame
DE3529514C1 (de) * 1985-08-17 1987-01-02 Dornier Gmbh Lindauer Kluppenkettenbahn fuer Spannkluppen mit Rollenlagerung in Spannrahmen zur kontinuierlichen Behandlung eine Warenbahn
NO173664C (no) 1991-11-15 1994-01-12 Alfsen & Gunderson Tenter
JP6439694B2 (ja) * 2013-09-04 2018-12-19 宇部興産株式会社 フィルム保持具およびテンター装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3274495A1 (fr) 2018-01-31
WO2016156025A1 (fr) 2016-10-06
DE102015109601A1 (de) 2016-09-29

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