EP1828453B1 - Vliesleger und verfahren zum führen eines flors - Google Patents

Vliesleger und verfahren zum führen eines flors Download PDF

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Publication number
EP1828453B1
EP1828453B1 EP05819607A EP05819607A EP1828453B1 EP 1828453 B1 EP1828453 B1 EP 1828453B1 EP 05819607 A EP05819607 A EP 05819607A EP 05819607 A EP05819607 A EP 05819607A EP 1828453 B1 EP1828453 B1 EP 1828453B1
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EP
European Patent Office
Prior art keywords
belt
laying
run
machine according
web
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
EP05819607A
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German (de)
English (en)
French (fr)
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EP1828453A1 (de
Inventor
Manfred SCHÄFFLER
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Autefa Automation GmbH
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Publication date
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Publication of EP1828453A1 publication Critical patent/EP1828453A1/de
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Publication of EP1828453B1 publication Critical patent/EP1828453B1/de
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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

Definitions

  • the invention relates to a nonwoven layer and a method for guiding a pile having the features in the preamble of the method and apparatus main claim.
  • Such a fleece layer is from the EP 0 865 521 B1 known.
  • Trained as a so-called sliver layer has two relatively movable main car and two guided in loops endless and circumferentially driven bands.
  • the ribbons run parallel in an angled guide zone on the upper main car and between the main cars, picking up and guiding the pile between them.
  • the guide zone has on the input side an oblique tape inlet of the laying belts on the upper main carriage.
  • the brought up from two sides slide bands meet here and are merged to form an inlet slot.
  • the pile fed on one band is deflected downwards in the band inlet.
  • the two bands have two parallel side by side running and straight band sections that form the said inlet slot and record the pile between them by clamping and lead.
  • the tape inlet has seven pulleys and two belt loops.
  • the two pulleys at the lower end of the straight band sections are arranged obliquely one above the other and are closely adjacent to the Florklemmung.
  • the outer tape is then lifted in a first belt loop and fed to another deflection roller again, which is also arranged to Florklemmung closely adjacent to the lower pulley of the inner florstoryden laying belt.
  • Said outer laying belt is then deflected again in a second recurring belt loop and again in parallel position brought to the inner band.
  • the pile is thereby also guided and clamped on both sides in the deflection regions of the laying belts and between closely adjacent deflection rollers.
  • the FR-2 553 102 shows another web laying with a stationary tape inlet, in which the laying belts are brought together on stationary pulleys and guided in parallel position to the upper main car. At the main car, the belt sections come apart again and are deflected vertically downwards, whereby the horizontally fed Flor undergoes a deflection by 90 ° and is guided only on one side.
  • a tape feed can only be used for limited feeding speeds of the pile and working speeds of the web laying machine. If the feed rates become too high, tearing may occur in the very light and highly sensitive web.
  • the WO 91/156018 shows a further variant of the tape inlet, in which both bands are guided on the main car via two large guide rollers. This also forms a further inlet funnel for on the one Ribbon fed pile.
  • the two large guide rollers are arranged horizontally next to each other approximately at the same height, whereby the pile is received and guided on both sides only approximately at midpoint height of the two rollers by the here close fauxammen impartden slide bands.
  • the bands are separated by the roll shape.
  • nonwovens with stationarily arranged belt inlets are known, in which the laying belts are guided over stationarily arranged deflecting rollers. Both fleece layers show horizontal belt inlets.
  • the two bands form a horizontal inlet slot, which adjoins the conveyor belt coming from the card.
  • the bands are detached from each other, whereby the pile is deflected by 90 ° down and transported and guided only on the one underlying laying belt.
  • the pile is fed via a stationary upstream conveyor belt and placed in front of the tape entry in free fall on an underlying somewhat oblique laying belt section.
  • the second band is placed at some distance behind this point.
  • the inlet slot arises only very late at the deflection in the following horizontal inlet path of the tape inlet. Both stationary infeed embodiments severely limit the speeds of the pile infeed and the crosslapper.
  • the invention solves this problem with the features in the method and device main claim.
  • the claimed nonwoven with the oblique tape inlet and the inlet section has the advantage of a better and gentler pile guide in the area of the superstructure.
  • a clamping of the pile is avoided at the deflection of the tape inlet.
  • a two-sided guidance and clamping of the pile takes place only in those belt areas in which the laying belts run in close proximity and thereby extend substantially in a straight line. This improves the pile guide.
  • the tape inlet can have a forward or a backward inlet path.
  • the backward variant offers the advantage of a softer Florumlenkung at the lower deflection.
  • the superstructure may have a more compact design.
  • the tape entry also has the advantage that it manages with fewer pulleys. This reduces the construction costs and the size of the superstructure.
  • FIG. 1 shows in the overview a nonwoven layer (1), which is designed as a so-called stripper. He has in a housing or frame (30) an upper main car (2) and a lower main car (3).
  • the nonwoven layer (1) can also have one or more auxiliary carriages or tensioning carriages (31, 32).
  • About the carts (2,3,31,32) are guided by means of suitable deflection rollers or guide rollers two endless belts (5,6).
  • At least the two main cars (2, 3) are supported by running gears (20) with rollers (29) on preferably common running rails (28) and are reciprocated by suitable drives and move relative to one another.
  • the two levers (5,6) are also driven by means of suitable controllable and controllable drives circumferentially.
  • the one ribbon (5) is below as a feed belt and the other ribbon (6) referred to as counter-band.
  • That produced by a pile producer (not shown), e.g. A carding machine or a carding machine, produced Faserflor (7) passes through a separate or by a portion of the feed belt (5) formed feed belt (25) in the nonwoven layer (1). It is guided via a feed line (26) in the inlet direction (24) to the upper main carriage (2) and to an oblique belt inlet (4) arranged there.
  • the pile (7) passes on the oblique tape inlet (4) described in more detail below between the two laying belts (5, 6).
  • the batt (7) can be made e.g. in the manner shown to be transported lying open on the conveyor belt (5). Alternatively, it can be covered by the counter belt (6) guided in front of the feed belt (25) or another separate belt or the like.
  • the laying belts (5, 6) are guided on the uppercarriage (2) and in the following area (41) between the two main carriages (2, 3) in an angled belt loop close together and essentially parallel to one another. If necessary, take the pile (7) with light pressure between them, transport and guide it.
  • This angled loop area is referred to as a guide zone (27).
  • the guide zone (27) is divided into the band inlet (4) and the subsequent zone area (41) between the main carriage (2,3).
  • the zone area (41) can extend horizontally or obliquely and connects the main cars (2, 3) in a straight line and directly.
  • the pile (7) emerges downwards at the pile outlet (37) and is deposited on a transverse endless draw-off strip (8) to form a multilayer nonwoven (23).
  • the laying carriage (3) moves back and forth over the draw-off belt (8), whereby the pile (8) in several layers one above the other transversely and in the Zigzag is deposited to the direction of delivery.
  • the pile (7) is padded like scales.
  • the laying belts (5, 6) separate again at the laying carriage (3) at the web exit (37) and are moved outwards in spatially separated loop sections and are conveyed via e.g. fixed frame deflection rollers (42,43) and possibly existing tensioning carriage or auxiliary carriage (31,32) returned to the band inlet (4) again.
  • the deflection rollers (42) are provided for the feed belt (5) and the deflection rollers (43) for the counter belt (6).
  • the laying carriage (3) also has a guide roller (33) for the feed belt (5), which, after being deflected twice over the deflection rollers (34, 35) and via further frame-fixed deflection rollers (42) and forming the supply belt (25) and the Feed line (26) back to the superstructure (2) is returned.
  • the laying belt (6) is deflected by means of a deflection roller (36) and likewise returned to the superstructure (2) via deflection rollers (43) fixed to the frame.
  • the Florauscher (37) is formed between the pulleys (35,36).
  • the guide belts (5,6) each have a laterally outwardly directed band portion (44,45), which is aligned substantially parallel to the car traveling direction and the discharge belt (8).
  • the band sections (44, 45) each extend from the reciprocating deflection rollers (35, 36) to the adjacent stationary deflection rollers (42, 43). They can rest on the deposited fleece (23) at a small distance above or with a touch contact. They cover the fleece (23) in all laying carriage positions as a cover against air vortices and other disturbing environmental influences.
  • the belt circulation speeds and the laying carriage speed are generally in the range between the reversal points and possibly with the exception of the local braking and acceleration phases and with the exception of a possibly conscious delay in the amount essentially the same size.
  • the belt section (44, 45) following each in the direction of carriage is therefore placed or approximated on the pile area which has just been stored during the journey in an unwinding motion and has no or only a small speed component in the vehicle travel direction.
  • a tensioning carriage or auxiliary carriage (31) is provided which is controlled in dependence on the movement of the upper carriage (2).
  • a tensioning carriage or auxiliary carriage (32) is provided, which is controlled in dependence of the movement of the laying carriage (3).
  • the movement of the tensioning carriage (31,32) is positively controlled by means of toothed belt.
  • the two main cars (2,3) can thereby to form a short passage in the same direction as in the EP-0 865 521 B1 , of the DE-A-19 27 863 or the EP-A-0 517 568 or in opposite directions with stationary band deflection as in the FR-A-2 553 102 or the WO 91/156018 move.
  • internal stores can be formed by means of the auxiliary or tensioning carriages (31, 32) which avoid, for example, edge thickening of the fleece (23). It can also be used in the pile storage with delay to set a particular profile in the thickness or density of the web (23).
  • FIG. 2 and 3 illustrate a first variant of the tape inlet (4) of the webbinder (1) of FIG. 1 in detail.
  • FIG. 4 and 5 show a second variant of the band inlet (4).
  • the pile (7) in the guiding zone (27) is guided on both sides essentially only between straight sections of the laying belts (5, 6) and, if necessary, clamped. This applies both to the one zone area at the strip inlet (4) and to the other zone area (41) between the two main cars (2, 3).
  • the one ribbon (5) at the same time serves as a pile feed or feed belt (25) and is led out accordingly from the housing (30) of the nonwoven layer (1).
  • the pile (7) is here e.g. open on the laying belt (5) and is transported by this to the tape inlet (4).
  • the two bands (5.6) are brought together to form a narrow inlet slot (12) via a pair of upper guide rollers (14,16).
  • the inlet section (9) is that band area in which the band sections (10,11) between the inlet and outlet slots (12,19) in such close proximity, and they receive the pile (7) between him and cover him or lead him on both sides.
  • the inlet slot (12) may have a fixed or an adjustable width, which may be adapted to the respective requirements of the pile material, if necessary. It may be slightly larger than the pile thickness, so that the loose pile (7) initially without compression or compression can be included. The width may alternatively be equal to or smaller than the edge thickness and, if appropriate, already lead to a clamping when the pile (7) enters the strip inlet (4).
  • the band sections (10, 11) run essentially parallel in the inlet section (9). This can be strictly parallel.
  • the spacing of the band sections (10, 11) may alternatively decrease over the run length.
  • an inlet section (9) tapering in a funnel shape at an acute angle can be formed, in which the pile (7) is gradually compressed and clamped before it reaches the outlet slot (19) at the lower deflection (15, 17).
  • the width of the inlet slot (12) are set larger than the edge thickness.
  • the choice of the suitable setting depends on the type of pile material and, if appropriate, also on the pile feed rate and / or other parameters.
  • the two band sections (10, 11) each extend between an upper deflection roller (14, 16) and a lower deflection roller (15, 17), the lower deflection rollers (15, 17) having their parallel axes (38, 39) substantially are arranged side by side at the same height.
  • the altitude is the same.
  • the altitude may differ slightly, wherein the connecting line of the axes (38,39) is aligned at an angle deviating from 90 ° to the inlet path (9).
  • the band sections (10,11) have in the embodiments shown a direct and straight course between the upper and lower Umlenkkrollen (14:15 and 16:17). Alternatively, the band sections (10, 11) can have a slightly curved course.
  • the inlet section (9) or the band sections (10, 11) are inclined at an angle ⁇ or ⁇ 'against the horizontal or the feed or inlet direction (24) at an angle downwards.
  • This angle ⁇ or ⁇ ' is in the two variants of FIG. 2 . 3 and 4 . 5 varies in size and refers in each case to the band deflection of the laying belt (5) on the upper deflection roller (14).
  • the preferably horizontal feed section (26) of the laying belt (5) is deflected into the inclined band section (10).
  • the angle of inclination ⁇ of the band sections (10, 11) against the inlet direction (24) or the feed section (26) can be between 90 ° and 160 °.
  • the inclination angle ⁇ is greater than 90 ° and is between 100 ° and 130 °. In the embodiment shown, it is about 120 °.
  • the inclination angle ⁇ 'of the band sections (10, 11) against the inlet direction (24) or the feed section (26) can be between 90 ° and 30 °.
  • the inclination angle ⁇ ' is less than 90 ° and is between 80 ° and 50 °. In the embodiment shown, it is about 65 °.
  • the deflection with the inclination angle ⁇ at the upper deflection roller (14) is weaker and with the complementary angle ⁇ at the lower pulley (15) stronger.
  • the deflection ratios are reversed with a stronger deflection ⁇ 'above and a weaker deflection ⁇ ' below.
  • the two guide belts (5, 6) are guided over lower deflection rollers (15, 17) and further deflected in a preferably horizontal direction to the zone region (41) and to the laying carriage (3).
  • the pulleys (15,17) may have substantially the same diameter. In the inlet section (9) of the pile (7) before the lower stronger deflection (15,17) over a longer straight line already safely out and covered.
  • the two lower pulleys (15,17) are mutually and laterally distanced. Their distance on the connecting line of their axes (38,39) is significantly greater than the thickness of the pile (7) and the two bands (5,6).
  • the inlet section (9) with the adjacent parallel guide of the band sections (10, 11) extends in both variants to the upper region of the deflection rollers (15, 17). It ends above the axes (38,39) at the beginning of the deflection of one of the bands (5,6).
  • FIG. 2 . 3 This is the deflection beginning of the laying belt (5) on the deflection roller (15).
  • FIG. 4 . 5 ends the inlet section (9) at the beginning of the deflection of the other laying belt (6) on the deflection roller (17).
  • the band inlet (4) has a total of five deflection rollers (14,15,16,17,18).
  • the florinde laying belt or feed belt (5) is guided over two preferably on the upper main car (2) relatively stationary deflection rollers (14,15).
  • the deflection rollers (14,15) are in the two variants according to the slope of the inlet section (9) in height and laterally forward or distanced backwards.
  • the other laying belt (6) is guided over three deflection rollers (16, 17, 18).
  • the upper deflection roller (16) of the laying belt (6) is in both variants e.g. arranged above the opposite guide roller (14).
  • the height difference between the pulleys (14,16) can be considerable.
  • the axis of rotation (46) of the deflection roller (16) lies above the uppermost circumferential point or zenith (47) of the deflection roller (14).
  • the essentially straight band portion (11) of the opposite band (6) thereby extends at least to the zenith (47) and preferably beyond and forms a straight gusset or funnel wall.
  • the inlet slot (12) can also be kept narrow or narrow. Both are favorable for trouble-free pile guide in the inlet and deflection, especially at high speeds.
  • this arrangement is favorable for a gain of the first deflection and a reduction of the inclination angle ⁇ , ⁇ 'in favor of an increase of ⁇ , ⁇ '.
  • FIG. 2 and 3 is the lateral and vertical distance of the deflection roller (16) to the deflection roller (14) of the flour guiding laying belt (5) comparatively small, resulting in a short inlet funnel (12).
  • the inlet section (9) is relatively long, the straight strip sections (10, 11) running closely over almost their entire length and without any great length offset.
  • the slightly longer band section (11) protrudes slightly at both ends and approximately equidistant over the band section (10).
  • the lateral and vertical spacing of the deflection rollers (14, 16) can be greater, wherein the deflection roller (16) lies at a clear distance above the zenith (47) of the deflection roller (14), resulting in a longer and further opening inlet funnel (12). leads.
  • the band sections (10, 11) have a larger and asymmetrical length offset and form a shorter inlet section (9).
  • the laying belt (6) has a recurring belt loop (13), in which it is guided over the third deflection roller (18) and is deflected in the direction of the laying carriage (3).
  • the pulleys (15,17,18) are arranged with their axes (38,39,40) on a common and preferably horizontal line.
  • the diameter of the deflection roller (18) may be larger than the diameter of the lower deflection rollers (15, 17).
  • the support device (21) is preferably located approximately in the middle between the adjacent deflection rollers (15,17). The position can alternatively be moved laterally to below these pulleys.
  • the support roller (21) affects the distance of the bands (5.6).
  • the tape inlet (4) and the inlet section (9) are adjustable.
  • the deflection rollers (16,17,18) and the support roller (21) with suitable Delivery facilities (22) are changed in their position.
  • the feed direction in the area of the inlet slot (12) located deflection rollers (16,17) is substantially perpendicular to the direction of the inlet path (9).
  • the width of the inlet slot (12) and possibly also the funnel-shaped constriction of the inlet section (9) can be changed.
  • the bands (5,6) can be permeable to air, so that compressed by the increasing constriction of the inlet section (9) of the Flor and thereby the air is pressed out.
  • the stationary deflection rollers (42) of the feed belt (5) are arranged on one side of the frame next to the draw-off belt (8) and the stationary deflection rollers (43) of the opposite belt (6) on the other side of the frame next to the draw-off belt (8).
  • the deflection roller (18) can be adjusted horizontally and can thereby be approximated or removed relative to the deflection roller (17) of the laying belt (6) for changing the belt loop (13).
  • the support roller (21) is vertically adjustable and can thus also be approximated or removed relative to the deflection rollers (15,17). With the support roller (21), the pile guide at the lower end of the outlet slot (19) and at the entrance to the zone area (41) with the parallel guide belts (5,6) is influenced following the deflection roller (15).
  • the upper deflection roller (16) of the laying belt (6) can be arranged lower, resulting in a superstructure (2) with a lower overall height.
  • the overall length can be compared to the first variant of FIG. 2 and 3 be shortened.
  • the number of pulleys (14,15,16,17,18) and their orientation may vary.
  • the deflection rollers (15, 17) can have a certain height offset.
  • the roller axes (38,39,40) must not lie on a horizontal line, but may have an oblique connecting line, for example, the zone portion of the pressure zone (27) between the two main cars (2,3) also extends correspondingly oblique.
  • storage and drives of the main and auxiliary cars (2,3,31,32) vary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Medicines Containing Plant Substances (AREA)
EP05819607A 2004-12-23 2005-12-17 Vliesleger und verfahren zum führen eines flors Active EP1828453B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004020165U DE202004020165U1 (de) 2004-12-23 2004-12-23 Vliesleger
PCT/EP2005/013616 WO2006069651A1 (de) 2004-12-23 2005-12-17 Vliesleger und verfahren zum führen eines flors

Publications (2)

Publication Number Publication Date
EP1828453A1 EP1828453A1 (de) 2007-09-05
EP1828453B1 true EP1828453B1 (de) 2008-06-25

Family

ID=35954074

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819607A Active EP1828453B1 (de) 2004-12-23 2005-12-17 Vliesleger und verfahren zum führen eines flors

Country Status (5)

Country Link
EP (1) EP1828453B1 (es)
AT (1) ATE399221T1 (es)
DE (2) DE202004020165U1 (es)
ES (1) ES2308585T3 (es)
WO (1) WO2006069651A1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102597U1 (de) 2012-07-13 2013-10-14 Hi Tech Textile Holding Gmbh Vliesleger
DE202013105029U1 (de) 2013-11-08 2015-02-10 Autefa Solutions Germany Gmbh Vliesleger

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2957092B1 (fr) * 2010-03-08 2012-03-23 Asselin Thibeau Chariot mobile d'entree d'etaleur nappeur comportant un rouleau de detour avec cannelures ou annelures
EP2479321A1 (de) * 2011-01-19 2012-07-25 Oskar Dilo Maschinenfabrik KG Vliesleger
DE102011003849A1 (de) * 2011-02-09 2012-08-09 Voith Patent Gmbh Stoffauflauf für eine Maschine zur Herstellung einer Faserstoffbahn
DE102012019363A1 (de) * 2012-10-02 2014-04-03 Trützschler GmbH & Co Kommanditgesellschaft Kreuzleger und Verfahren zum Betreiben eines Kreuzlegers
DE102013109251B3 (de) * 2013-08-27 2014-11-20 MKS GmbH Längsvliesleger und Verfahren zur Herstellung eines Vlieses
DE202013104946U1 (de) 2013-11-05 2015-02-06 Autefa Solutions Germany Gmbh Vliesleger
CN108301123A (zh) * 2018-03-29 2018-07-20 厦门当盛新材料有限公司 用于纤维网形成无纺布的平行铺网机、铺网机及制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9212215U1 (de) * 1992-09-10 1994-01-13 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vorrichtung zur Herstellung eines Vlieses aus Fasermaterial
DE29518587U1 (de) * 1995-11-23 1997-04-10 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vliesleger
FR2791364B1 (fr) * 1999-03-23 2001-06-08 Asselin Etaleur-nappeur
DE29909016U1 (de) * 1999-05-26 2000-10-05 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vliesanlage
FR2840326B1 (fr) * 2002-05-28 2004-07-30 Asselin Chariot mobile d'entree d'etaleur-nappeur et etaleur-nappeur equipe dudit chariot

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102597U1 (de) 2012-07-13 2013-10-14 Hi Tech Textile Holding Gmbh Vliesleger
WO2014009520A1 (de) 2012-07-13 2014-01-16 Hi Tech Textile Holding Gmbh Vliesleger
US9909236B2 (en) 2012-07-13 2018-03-06 Hi Tech Textile Holding Gmbh Cross-lapper
EP2872682B1 (de) * 2012-07-13 2018-09-12 Hi Tech Textile Holding GmbH Vliesleger
EP3447175A1 (de) * 2012-07-13 2019-02-27 Hi Tech Textile Holding GmbH Vliesleger und vlieslegeverfahren
DE202013105029U1 (de) 2013-11-08 2015-02-10 Autefa Solutions Germany Gmbh Vliesleger
WO2015067704A1 (de) 2013-11-08 2015-05-14 Autefa Solutions Germany Gmbh Vliesleger und betriebsverfahren
US10309040B2 (en) 2013-11-08 2019-06-04 Autefa Solutions Germany Gmbh Nonwoven-laying device and operating method

Also Published As

Publication number Publication date
EP1828453A1 (de) 2007-09-05
DE202004020165U1 (de) 2006-05-04
WO2006069651A1 (de) 2006-07-06
DE502005004545D1 (de) 2008-08-07
ATE399221T1 (de) 2008-07-15
ES2308585T3 (es) 2008-12-01

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