EP2872682A1 - Distributeur de voile - Google Patents

Distributeur de voile

Info

Publication number
EP2872682A1
EP2872682A1 EP13742410.7A EP13742410A EP2872682A1 EP 2872682 A1 EP2872682 A1 EP 2872682A1 EP 13742410 A EP13742410 A EP 13742410A EP 2872682 A1 EP2872682 A1 EP 2872682A1
Authority
EP
European Patent Office
Prior art keywords
deflection
belt
band
nonwoven
laying
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.)
Granted
Application number
EP13742410.7A
Other languages
German (de)
English (en)
Other versions
EP2872682B1 (fr
Inventor
Rudolf Kuhn
Steffen HARTUNG
Andreas Meier
Joachim BINNIG
Eberhard HÄBERLE
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
Original Assignee
Hi Tech Textile Holding 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 Hi Tech Textile Holding GmbH filed Critical Hi Tech Textile Holding GmbH
Priority to EP18193837.4A priority Critical patent/EP3447175B1/fr
Publication of EP2872682A1 publication Critical patent/EP2872682A1/fr
Application granted granted Critical
Publication of EP2872682B1 publication Critical patent/EP2872682B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres

Definitions

  • the invention relates to a nonwoven layer and a
  • Such a nonwoven layer is known from EP 1 828 453 B1. It is designed as a so-called stripper and has two main cars (superstructure and laying carriage) and two bands, which are guided over pulleys on the main car. The uppercarriage has a band deflection for both levers.
  • the one ribbon is designed as a feed belt, to which a batt on the input side of the batt is transferred. The feed belt with the overlying batt is deflected at the band deflection by 180 ° in the opposite direction via two rollers, both bands have at the band deflection straight and obliquely downward parallel band sections, between which the pile in the terminal closure on both sides
  • Inlet funnel obliquely down to a nip between two closely adjacent pulleys.
  • the fiber web which is initially fed on the feed belt, is clamped on both sides at the clamping point and thereby deflected by more than 90 °.
  • This band deflection has like the mentioned above prior art for each laying tape two deflection with pulleys.
  • the invention solves this problem with the features in the method and device main claim.
  • the nonwoven layer with the claimed strip deflection and the nonwoven laying method have the advantage that the batt can be guided better and more gently and transported over the strip deflection. Besides, higher ones
  • first and second and optionally further straight band sections with a corresponding number of three or more deflection points on the band deflection has the advantage that the batt at the critical points can be performed better.
  • the three or more deflection points reduce over the prior art the
  • the band and Florumlenkung can be done gradually and thus gently in several steps.
  • the last straight band section at the end of the band deflection can already tilt in the
  • the claimed nonwoven can be designed for very high belt speeds and web speeds. For this purpose, training as gleichschreiber Leger with the same direction moving main car advantage.
  • the Flor can from the
  • the nonwoven layer may also comprise a tensioning device or band length compensation device, which has a
  • the nonwoven may have a buffering function to compensate for fluctuating shrinkage speeds of the batt.
  • Figure 1 a schematic representation of a
  • Figure 2 an enlarged and broken off
  • the invention relates to a nonwoven layer (1) and a nonwoven laying method.
  • the invention also relates to a fiber treatment plant with a nonwoven layer (1) and other plant components.
  • the nonwoven layer (1) serves to panel a fed fiber web (9) into a multilayer web (10).
  • the nonwoven layer (1) has in the exemplary embodiment of FIG. 1 two main carriages (2, 3), namely a first one
  • the nonwoven layer (1) further has a transverse or oblique to the movement path of the main carriage (2,3) directed withdrawal device (8) for receiving and removing the multilayer web (10).
  • the nonwoven layer (1) may comprise a tensioning device (4).
  • the fleece (9) is transferred directly from the parallel strip section to the laying carriage (3) in a straight path.
  • the laying belts (6,7) again come apart and are led away in opposite directions, wherein the released fiber web (9) down on the
  • Discharge device (8) exits and is stored there.
  • the laying carriage (7) performs this reversing movements in the transverse direction to the deduction device (8), which preferably coupled to the carriage carriage movement
  • the main cars (2, 3) are mounted and guided in parallel to one another by means of drives (31) on a rail guide in the frame of the nonwoven layer (1). They each have their own and independently controllable drive (not shown) for their driving movement.
  • drives (31) on a rail guide in the frame of the nonwoven layer (1). They each have their own and independently controllable drive (not shown) for their driving movement.
  • the movements of the main car (2,3) can be decoupled from each other, so that changed by differences in movement, the loop length of the main carriage (2,3) parallel guided bands (6,7) and thereby a
  • Canister can be formed.
  • the bands (6,7) may also have independent drives that put them in a controlled orbital motion. By such a configuration, it is possible to
  • Profiling the solidified end product may receive a desired basis weight distribution or it can be operated error compensation of pile or solidification errors. Moreover, it is possible by the main car decoupling and the tensioning device (4)
  • the nonwoven layer (1) can be designed in different ways, e.g. according to EP 1 828 453 B1, or DE 203 21 834 U1 or EP 0 517 563 B2.
  • the difference to the previously known fleece layers consists primarily in the design of the upper carriage (2) and the band deflection (12).
  • FIG. 1 shows this band deflection (12) in one
  • the two laying belts (6, 7) are supplied to the upper carriage (2) and the upper-run band guide (12) at an inlet point (32) separated from each other and from opposite directions.
  • the one laying belt (6) forms the so-called feed belt, which receives the fiber web (9) on the left in Figure 1 input side (35) of the web laying (1), carries and the superstructure (2) supplies.
  • the pile guide may be unilaterally and in an open position, with possibly one or more pressure rollers being present.
  • the other laying belt (7) is referred to below as the counter belt.
  • Both laying belts (6, 7) are fed in a substantially horizontal orientation to the superstructure (2) and the belt deflection (12).
  • the feed belt (6) is at the band deflection (12) from its feed direction (11) deflected in the opposite direction by about 180 ° down to an outlet point (33) on the superstructure.
  • both guide strips (6, 7) emerge in closely parallel positions and form a sandwich in the sandwich with the batt (9)
  • the upper strand (13) and the lower strand (14) of the feed belt (6) are aligned parallel, wherein the outlet height of the upper carriage (2) and the
  • Inlet height of the laying carriage (3) are the same. This results in a deflection angle of 180 °. If the said outlet and inlet heights are different, the lower run (14) may have an inclination to the horizontal, so that the deflection angle of 180 ° may differ slightly. Angular deviation may also occur for other reasons, e.g. when the upper run (13) has a tilt.
  • the entry and exit direction of the opposing belt (7) on the superstructure (2) can be rectified and, in particular, horizontal.
  • Both above entering levers (6,7) are deflected at the band deflection (12) down and emerge on the upper carriage (2) in a lower position again, in the aforementioned manner preferably the same height as the inlet point on the laying carriage (3) Has.
  • the band deflection (12) has three preferably rounded deflection points (15,16,17) for the fibrous web (9) bearing, so-called.
  • Floating laying belt (6) The number of deflection points can alternatively be greater and be four, for example.
  • Fibrous (9) mediating device may be present, e.g. a holding or adhesive action by suction or blowing air, by electrostatic forces or the like. generated .
  • the three deflection points (15, 16, 17) or deflection rollers are arranged at a distance one above the other, wherein the middle deflection point (16) in the feed direction (11) lies further forward than the two other deflection points (15, 17). In this way, between the upper and the middle deflection point or deflection roller (15, 16) a first straight band section (22) and between the middle (16) and the lower one
  • Deflection point or deflection roller (17) a second straight band portion (23) of the feed belt (6).
  • the first band section (22) in the feed direction (11) is in
  • the second band section (23) is directed counter to the feed direction (11) obliquely downward. If the band deflection (12) has more than three deflection points for the feed belt (6), the band section (23) is the last band section in front of the outlet point (33) of the upper carriage (2).
  • the feed belt (6) has at the three deflection points (15, 16, 17) shown in each case a deflection angle CC, ⁇ , y, which is less than 90 °.
  • the angles CC, ⁇ , y give the total deflection angle of e.g. 180 °.
  • the first deflection angle CC can be between 55 ° and 70 °, preferably about 63 °.
  • the second smaller deflection angle ⁇ can be between 40 ° and 55 °,
  • the third and e.g. last deflection angle y can be between 65 ° and 75 ° and is preferably about 71 °.
  • the aforementioned deflection angle CC, ß, y may vary in size and assignment.
  • the first deflection point or deflection roller (15) on the superstructure (2) can be displaced horizontally against the feed direction (11), the two other deflection points or deflection rollers (16, 17) retaining their arrangement and design.
  • the first deflection angle CC is smaller and the second deflection angle ß greater than in Figure 2, which possibly also changes their size ratio, in particular reverses.
  • the band deflection (12) also has three or more deflection rollers (18 to 21) for the other counter belt (7).
  • deflection rollers (18 to 21) for the other counter belt (7).
  • the first deflection roller (18) Seen in the direction of feed of the counter belt (7) to the superstructure (2), the first deflection roller (18) is located in front of the middle deflection roller (19) and this again in front of the lower deflection roller (20).
  • a first straight band section (24) and between the second or middle deflection roller (19) and the lower and / or third deflection roller (20) a second straight band section (FIG. 25) is formed.
  • These straight band sections (24,25) have different
  • the counter belt (7) is arranged below and carries the batt (9), wherein the feed belt (6) is arranged above it and covers the batt (9) from above.
  • the directed straight belt section (22) of the batt (9) is also guided on one side of the feed belt (6) lying.
  • the opposite first straight band portion (24) of the opposite band (7) is widely spaced.
  • the first straight strip sections (22, 24) of both guide belts (6, 7) have different orientations and run obliquely toward one another.
  • the second or last straight strip sections (23, 25) of both guide belts (6, 7) run closely adjacent to one another and are oriented essentially identically, their orientation having a direction component opposite to the feed direction (11).
  • the second or last straight band sections (23, 25) form a narrow gap between them, in which the fibrous web (9) is received and possibly guided on both sides with a clamping connection.
  • the deflection points or the respective jacket regions of the deflection rollers (16, 19) of the laying bands (6, 7) can have a different height, wherein e.g. the deflection of the counter-belt (7) is slightly higher.
  • the deflection rollers (16,19) may be arranged with their axes at the same height, wherein the roller diameter of the deflection roller (16) is greater than
  • the fiber belt (9) already has the straight belt section (25) of the opposite band (7) opposite.
  • the lower pulleys (17,20) can have approximately equal diameter
  • Guide roller (20) of the counter-belt (7) is arranged with its axis slightly above the axis of the guide roller (17).
  • the pulleys (17 to 21) of both bands (6,7) can have adjustable axes and to
  • the superstructure (2) on the strip deflection (12) has a pile guide (28) with several, e.g. two
  • a first open guide section (29) is thereby formed between the first straight strip sections (22, 24) of the laying belts (6, 7) which are funnel-like with a large one
  • the batt (9) is here on one side am
  • the second guide portion (30) forms a
  • Guiding region (34) between the recombined bands (6,7) occurs. Due to the inclined position of the clamping region (30) and the straight belt sections (23, 25), the fiber web (9) already has a directional component counter to the feed direction (11) and in the direction of advancing to the laying carriage (3). Even at this deflection point (17) it thus solves despite one-sided leadership not from
  • the nonwoven layer (1) can be preceded on the input side (35) one or more system components.
  • This may be, for example, a pile forming device, in particular a card or a carding machine.
  • a stretching or compression device, a pile store or the like may be connected upstream of other system components.
  • the mentioned system components are not for the sake of clarity shown.
  • Delivery point of the deduction device (8) can also be followed by one or more equipment components.
  • This may be a web stabilizer, e.g. a single-stage or multistage needle machine, one
  • the number of deflection points (15, 16, 17) of the feed belt (6) may be greater than three and may be e.g. four or five
  • the nonwoven layer (1) may e.g. be designed as an opposite Leger, in which the main car (2,3) move in opposite directions and in the
  • the tensioning device (4) may be dispensed with or otherwise formed, for example only has a single auxiliary or tensioning carriage.
  • the guidance of the laying belts (6, 7) can be designed in a different way, wherein, for example, one or more additional support carriages are arranged.
  • the counter belt (7) can be up to the formation of a closed FlorZu Unit
  • Such modifications of the construction of the illustrated nonwoven layer (1) may be e.g. according to EP 1 010 785, EP 1 010 786 or EP 1 010 787.
  • the bands (6.7) consist in the shown
  • Embodiment of tensile and flexurally elastic plastic sheets You can alternatively choose from others
  • the main cars (2,3) can be a common propulsion for their
  • the nonwoven layer (1) has a preferably programmable controller (not shown), to which the
  • This control can be connected to a higher-level system control or integrated into it.
  • a band deflection (12) of the type shown with a plurality of deflection points for at least one laying belt (6,7) can also be present at other locations of a fleece layer (1) or stacker, for example on the laying carriage (3) or on a stationary 180 0 band deflection in Frame of the fleece layer (1) ⁇ LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un distributeur de voile (1) muni d'un chariot supérieur (2) et d'un chariot de dépose (3) ainsi que de deux bandes de dépose sans fin, lesquelles sont respectivement guidées sur des rouleaux de renvoi (15 à 21) sur le chariot principal (2, 3). L'une des bandes de dépose (6) est réalisée sous la forme d'une bande d'amenée, laquelle supporte un voile de carde (9) et l'amène au chariot supérieur (2). L'autre bande de dépose (7) est réalisée sous la forme d'une bande opposée. Le chariot supérieur (2) possède un renvoi de bande (12) pour les deux bandes de dépose (6, 7), la bande de dépose (6) étant renvoyée d'environ 180 degrés au niveau du renvoi de bande (12) de sa direction d'amenée (11) dans la direction opposée par le biais de trois points de renvoi (15, 16, 17) ou plus.
EP13742410.7A 2012-07-13 2013-07-12 Distributeur de voile Active EP2872682B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18193837.4A EP3447175B1 (fr) 2012-07-13 2013-07-12 Distributeur de voile et procédé de distribution de voile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012102597U DE202012102597U1 (de) 2012-07-13 2012-07-13 Vliesleger
PCT/EP2013/064781 WO2014009520A1 (fr) 2012-07-13 2013-07-12 Distributeur de voile

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP18193837.4A Division EP3447175B1 (fr) 2012-07-13 2013-07-12 Distributeur de voile et procédé de distribution de voile

Publications (2)

Publication Number Publication Date
EP2872682A1 true EP2872682A1 (fr) 2015-05-20
EP2872682B1 EP2872682B1 (fr) 2018-09-12

Family

ID=48900951

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18193837.4A Active EP3447175B1 (fr) 2012-07-13 2013-07-12 Distributeur de voile et procédé de distribution de voile
EP13742410.7A Active EP2872682B1 (fr) 2012-07-13 2013-07-12 Distributeur de voile

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18193837.4A Active EP3447175B1 (fr) 2012-07-13 2013-07-12 Distributeur de voile et procédé de distribution de voile

Country Status (5)

Country Link
US (1) US9909236B2 (fr)
EP (2) EP3447175B1 (fr)
CN (1) CN104583477B (fr)
DE (1) DE202012102597U1 (fr)
WO (1) WO2014009520A1 (fr)

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Also Published As

Publication number Publication date
DE202012102597U1 (de) 2013-10-14
CN104583477A (zh) 2015-04-29
EP3447175A1 (fr) 2019-02-27
US9909236B2 (en) 2018-03-06
CN104583477B (zh) 2017-03-15
EP2872682B1 (fr) 2018-09-12
EP3447175B1 (fr) 2020-11-18
US20150176159A1 (en) 2015-06-25
WO2014009520A1 (fr) 2014-01-16

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