EP1386990B1 - Streckwerk für eine Florbahn - Google Patents
Streckwerk für eine Florbahn Download PDFInfo
- Publication number
- EP1386990B1 EP1386990B1 EP03025705A EP03025705A EP1386990B1 EP 1386990 B1 EP1386990 B1 EP 1386990B1 EP 03025705 A EP03025705 A EP 03025705A EP 03025705 A EP03025705 A EP 03025705A EP 1386990 B1 EP1386990 B1 EP 1386990B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- roller
- rollers
- pile
- drafting
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—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
- D04H1/74—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 orientated, e.g. in parallel (anisotropic fleeces)
-
- 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 the production of a nonwoven fabric with a pile producer and a nonwoven layer consisting of one of the pile fabricator continuously discharged one or multilayer card web a nonwoven web with a variable over the width Thickness produced, and in particular on a drafting system used here.
- Method and device of this type are known from DE 43 04 988 C1. They have to the goal, in the laid nonwoven web a transverse to the nonwoven web direction thickness profile to produce, which is lower in the edge areas than in the middle. The reason for that is that when solidifying the nonwoven web in a needle machine, the nonwoven web through the Needling process inserts laterally, i. becomes narrower, at the same time the thickness profile changed. From a needle machine fed nonwoven web of uniform thickness The needle machine produces a felt web which is thicker in its edge regions than in the middle is. To eliminate this unevenness, the needle machine is fed with a nonwoven web to, in their thickness from the center, starting in the direction of their edge areas accordingly gets thinner.
- an apparatus for producing a nonwoven fabric comprising a card that makes a carded web, and a fleece layer.
- the fleece layer has one Set of bandages for receiving the card web and a movable laying carriage that transversely is movable above a drawstring and fed by the ribbon tapes zigzagging and overlapping on the drawstring. Because of the movement of the Legewagens is in the fleece layer also a so-called. Uppercarriage available, the changes compensated for the run length of the held by the ribbon tapes.
- a pile store which serves, Florüberschuß when the take-up speed of the nonwoven layer is less than the delivery speed of the card is to give off and Florüberschuss when the take-up speed of the battlegder greater than the delivery speed of the carding is.
- From DE 22 59 919 A is an apparatus for warping confused, cross or longitudinal Nonwoven fabrics known consisting of pairs of rolls or Walzentrios, in which the distance between the pairs of rolls or Walzentrios smaller than the diameter the rollers is, whereby the clamping point of the pair of rollers to pair of rollers are made small can.
- the warping of random, cross or longitudinal fiber webs has the goal the stretching properties of a felt produced therefrom in the different stretching directions to match each other.
- a similar device whose disc rollers are untoothed and in which the aforementioned Sprocket drum is missing, as a device for spinning preparation is from DE 1 048 203 B known.
- Their mutually penetrating disk rollers rotate all in the fiber transport direction and penetrate the processed fiber sliver without a pad facing the disc roll is used.
- the invention has for its object to provide a drafting system with which a fiber web can be stretched in the longitudinal direction.
- the invention provides a drafting system whose features in the claim 1 are included.
- Advantageous embodiments are subject of the dependent claims.
- the drafting device according to the invention is intended to be between the Florer Wegung and the transfer of the card web to the nonwoven a drawing process at a defined Perform the transport path of the card web, which is not only the generation of Thick and thin spots in the card web in a predetermined repeat result, but it also allows both adjacent to the drafting aggregates at constant speeds to run. In this case, the speed modulation, the generates the cyclic drafting system in the card web, by means of intermediate storage devices buffered against the adjacent aggregates.
- the drafting device uses two parallel disc rollers, the mutual distance is set up so that each of the discs of a roller protrude into the spaces between the discs of the other roller, each Disc roller facing a pad, between the disc and the disc Flor is passed.
- the intake side roller in the drafting system at a constant speed accordingly the constant discharge speed of the pile generator rotates and the cyclic stretching by cyclically accelerating and decelerating the rotational speed of the Outflow side roller of the drafting system is a buffer on the discharge side provided the drafting, which cyclically variable a portion of the card web Length absorbs.
- the fleece layer then works with one of the laying movements of its laying carriage dependent pile picking speed.
- the drafting system can be multi-level, with a choice between each step each buffer may be arranged, which allow a relaxation of the pile fibers, which is advantageous in some applications.
- the work result is measured and, based on this, a feedback control of the drafting system is carried out:
- the Nonwoven web thickness detected transversely to the longitudinal extent of the nonwoven web for example with the help radiometric, acoustic, optical or mechanical measuring devices, and the output signals These measuring devices are used to influence the extent of travel and Length of stretching zones used within the card web.
- the drawings show on the right side the tambour 1 of a card, from which two transfer bands 2a and 2b to a two disc jacks drafting 3 extend, downstream of which the first intermediate band 10 of a pile memory 4 connects, which leads to the feed belt of a webbed 5.
- the drive devices (Engines) for carded roll, taker, deduction, drafting system, storage tank and Nonwoven layers are not shown here for reasons of clarity.
- the Drawframe 3 consists of a pair of disk rolls 8a and 8b, each consisting of a plurality of mutually parallel slices, wherein the axes 9a and 9b of the disk rolls 8a and 8b are at a distance from each other, which is smaller than the sum of the radii of the discs.
- the discs of the disc rollers 8a and 8b are each "gaped", i. the discs of a disc roller engage in the disc spaces of the other disk roller, so that the Disk rollers 8a and 8b penetrate each other. This measure allows the Make stretch zone short.
- the mutual center distance of the disk rollers 8a and 8b is preferably adjustable, the length of the draw zone to the properties of the respective processed pile material, in particular the staple length of the pile fibers, adapt.
- Part of the drafting system 3 are also the disk rollers 8a and 8b opposite Documents that in the example of FIG. 1 of the lower transfer conveyor 2b and the first intermediate band 10 of the storage tank 4 are formed. Both bands have a possible non-slip surface, so between the disk rollers 8a and 8b and the documents formed by the bands 10 and 2b have sufficient friction, in that due to a peripheral speed difference between the peripheral speeds the disk rolls 8a and 8b of the web between the disk rolls 8a and 8b can be longitudinally stretched.
- disc rollers Another advantage of the disc rollers is that the distance between the Clamping lines, each of a disc roller and the underlying pad is formed as much as possible can be reduced. This distance between the nip lines determines the length of the draw zone, which in turn depends on the Fiber length in the pile and the fiber orientation should be chosen. Therefore, the distance preferably adjustable between the axes of the two disk rolls 8a and 8b.
- the draw zone is to be very short, rolls must be correspondingly small in diameter be selected so that the distance between the aforementioned clamping lines is small. In this case, it may be necessary for reasons of stability, the rollers at several To support their longitudinal extension at their side facing away from the drafting rollers.
- the guide roller on the draw roller To support the opposite side at several of its longitudinal extension to a bending to prevent.
- Fig. 2 shows a construction in which each pad of a rotating screen belt 14th is formed, which runs over a support structure 15, which in the area of the associated Stretching roller 8a and 8b has a deflection small curvature radius'.
- Support structure 15 is at least in the region of the draw roll opposite Support surface of several parallel juxtaposed ribs, the between form interspaces, or she has there a vented to the outside perforation on, in which when entering the gap between draw roller and pad from the Flor pushed out air can escape through the screen belt.
- FIG. 3 An alternative to this is shown in FIG. 3, according to which the pile conveyor belt 2 b and the intermediate belt 10 in the region of the drafting rollers shown here with a relatively small diameter 8b and 8a respectively over deflection edges 16 small radius of curvature ', comparable to Embodiment of FIG. 2, are performed.
- the support structure 15 for the deflection edges is similar to that of FIG. 2 constructed and preferably also has facilities for venting the card web on. Because of the necessary support of these deflection edges The bands mentioned must take a certain detour.
- the separate screen belts of FIG. 2 which exclusively in the range of draw rolls circulate, dispensable, and it eliminates the additional spaces that the Must be bridged on their way in the field of drafting.
- the bands 2b and 10 are permeable to air, such as screen belts, to compress the card web to promote the escape of air from the card web. Both bands can be undersized be to assist the mechanical compression of the card web through a specially installable clamping device (not shown) and in any case inevitably caused by the drafting system.
- the distance between the disk rolls 8a and 8b and theirs adjustable against documents to the heights of the column formed to adjust the thickness of the card web is adjustable.
- the storage roll 11 is along the first intermediate belt 10 and the second intermediate belt 12 movable.
- the variable caching of the stretched Card web is necessary to cycle in times in which the outgoing disk roll 8a of the drafting system 3 runs faster than in the other times to absorb the card web and to prevent them from being pinched in front of the feeding belt 13 of the webbing 5.
- the pile storage 4 can be arranged on the intake side to the drafting system 3, namely then, when the stretching operation at a constant rotational speed of the drain side Disk roller 8a of the drafting system 3 by cyclically braking the disk roller 8b is performed and in this case a compression of the discharged from the carding drum 1 Florbahn before the drafting 3 must be prevented.
- FIG. 1 of the device passes through the two-ply card web delivered by the carding drum 1 the drafting system 3.
- the air contained in the card web is compressed by the compression the carded web is pushed out of this as far as possible, taking in the interstices between the discs of the drafting rollers and possibly through the pad escapes.
- the card web passes on the intermediate belt 10 of the pile memory 4, wraps around the Flor Profitzze 11 and is to those in Fig. 1 right next to Storage roller 11 located portion of the lower run of the second intermediate band Sucked 12, which rotates counterclockwise at a constant speed.
- the upper run of the second intermediate belt 12 gives the card web to the feed belt 13 of the batt 5 from.
- the tuning of the cyclic acceleration of the draw roll 8a and the first intermediate belt 10 with the laying motion of the fleece layer takes into account the length of the Running path of the card web between the drafting 3 and the delivery point of the batt and is set up in such a way that thin points generated by the drafting system in the card web in the Edge area of the nonwoven web produced from the card web are stored.
- the speed with which the card web is received by the nonwoven layer 5 is constant, but larger than the constant speed according to the amount of stretch of the card web, with which the card web enters the drafting system 3.
- the circumferential ground speed the outlet-side draw roller, starting from the acceleration takes place to be set higher than the peripheral speed of the upstream side Stretching roll.
- the card web which is fed to the drafting, consists of two layers that have been relined.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
- Fig. 1
- eine Schemazeichnung einer ersten Ausführungsform einer Anlage, in der das Streckwerk der Erfindung einsetzbar ist,
- Fig. 2
- eine Schemazeichnung ähnlich Fig. 1 mit einem modifizierten Streckwerk, und
- Fig. 3
- eine Schemazeichnung ähnlich Fig. 2 mit einem modifizierten Streckwerk.
Claims (4)
- Streckwerk für eine Florbahn, dadurch gekennzeichnet, daß sie wenigstens zwei zueinander parallele Scheibenwalzen (8a, 8b) enthält, deren gegenseitiger Abstand derart eingerichtet ist, daß jeweils die Scheiben der einen Walze (8a) in die Zwischenräume zwischen den Scheiben der anderen Walze (8b) hineinragen, daß den Scheibenwalzen (8a, 8b) jeweils eine Unterlage (2b, 10) gegenübersteht, die aus der Gruppe ausgewählt ist, die ein Gummiband, ein Siebband, eine Siebwalze und eine Scheibenwalze umfaßt, und daß die Umfangsgeschwindigkeiten der erstgenannten Scheibenwalzen (8a, 8b) in Flordurchlaufrichtung zyklisch eine Differenz aufweisen.
- Streckwerk nach Anspruch 1, dadurch gekennzeichnet, daß eine Steuereinrichtung vorgesehen ist, die dazu eingerichtet ist, die Differenz der Umfangsgeschwindigkeiten der Scheibenwalzen (8a, 8b) in Abstimmung mit der Legebewegung eines Vlieslegers (5) zyklisch zu verändern.
- Streckwerk nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Abstand zweier benachbarter, ineinandergreifender Scheibenwalzen (8a, 8b) einstellbar ist.
- Streckwerk nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Abstand zwischen jeder Scheibenwalze (8a, 8b) und der ihr gegenüberstehenden Unterlage (2, 10) einstellbar ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10139833A DE10139833A1 (de) | 2001-08-14 | 2001-08-14 | Verfahren und Vorrichtung zum Herstellen eines Faservlieses |
DE10139833 | 2001-08-14 | ||
EP02017301A EP1285982B1 (de) | 2001-08-14 | 2002-08-01 | Verfahren und Vorrichtung zum Herstellen eines Faservlieses |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02017301A Division EP1285982B1 (de) | 2001-08-14 | 2002-08-01 | Verfahren und Vorrichtung zum Herstellen eines Faservlieses |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1386990A1 EP1386990A1 (de) | 2004-02-04 |
EP1386990B1 true EP1386990B1 (de) | 2005-03-02 |
Family
ID=7695365
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02017301A Expired - Lifetime EP1285982B1 (de) | 2001-08-14 | 2002-08-01 | Verfahren und Vorrichtung zum Herstellen eines Faservlieses |
EP03025705A Expired - Lifetime EP1386990B1 (de) | 2001-08-14 | 2002-08-01 | Streckwerk für eine Florbahn |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02017301A Expired - Lifetime EP1285982B1 (de) | 2001-08-14 | 2002-08-01 | Verfahren und Vorrichtung zum Herstellen eines Faservlieses |
Country Status (4)
Country | Link |
---|---|
US (1) | US6662407B2 (de) |
EP (2) | EP1285982B1 (de) |
AT (2) | ATE268399T1 (de) |
DE (3) | DE10139833A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20211365U1 (de) * | 2002-07-27 | 2003-10-09 | AUTEFA Automation GmbH, 86316 Friedberg | Vorrichtung zur Faserbehandlung |
DE10250089B4 (de) * | 2002-10-25 | 2014-02-13 | Oskar Dilo Maschinenfabrik Kg | Steilarm-Vliesleger und Vorrichtung zum Erzeugen eines kreuzgelegten Faservlieses |
DE10329648B4 (de) * | 2003-07-01 | 2005-06-16 | Oskar Dilo Maschinenfabrik Kg | Vorrichtung zur Vliesbildung |
US7320154B2 (en) * | 2004-03-08 | 2008-01-22 | Oskar Dilo Maschinenfabrik Ag | Fleece laying device |
EP1593761B1 (de) * | 2004-04-02 | 2007-06-20 | Oskar Dilo Maschinenfabrik KG | Steilarm-vliesleger |
ATE363556T1 (de) * | 2004-03-08 | 2007-06-15 | Dilo Kg Maschf Oskar | Speichervorrichtung |
DE102004042443A1 (de) * | 2004-08-31 | 2006-03-02 | Trützschler GmbH & Co KG | Vorrichtung zum Betreiben einer Speiseeinrichtung für Fasermaterial, z. B. Kastenspeiser |
FR2905684A1 (fr) * | 2006-09-11 | 2008-03-14 | Asselin Thibeau Soc Par Action | Procede et systeme de production d'une nappe multicouche, notamment au moyen d'un etaleur-nappeur. |
FR2910496B1 (fr) | 2006-12-22 | 2009-03-13 | Asselin Thibeau Soc Par Action | Procede de reglage des caracteristiques locales d'un non-tisse, et installation de production s'y rapportant. |
DE502007006030D1 (de) * | 2007-07-09 | 2011-02-03 | Dilo Kg Maschf Oskar | Verfahren zum Herstellen einer verfestigten Vliesstoffbahn |
FR2930563B1 (fr) | 2008-04-28 | 2010-04-30 | Asselin Thibeau | Dispositif tampon et systeme de production d'une bande de non-tisse |
ATE543932T1 (de) | 2008-10-07 | 2012-02-15 | Dilo Kg Maschf Oskar | Vorrichtung und verfahren zur übergabe eines vlieses |
IT1392408B1 (it) | 2008-12-23 | 2012-03-02 | Texnology S R L | Dispositivo di trattamento di un velo di carda |
DE202013104946U1 (de) * | 2013-11-05 | 2015-02-06 | Autefa Solutions Germany Gmbh | Vliesleger |
DE202014100908U1 (de) | 2014-02-27 | 2015-05-28 | Autefa Solutions Germany Gmbh | Kardiereinrichtung |
FR3059344B1 (fr) * | 2016-11-25 | 2019-11-22 | Andritz Asselin Thibeau | Dispositif d'etirage d'un voile dispose entre un dispositif de carde et un etaleur nappeur |
CH714816A1 (de) * | 2018-03-21 | 2019-09-30 | Rieter Ag Maschf | Querband für eine Bandbildungseinheit einer Karde. |
FR3081885B1 (fr) * | 2018-05-31 | 2020-09-11 | Andritz Asselin Thibeau | Systeme de formation d’une nappe de fibres |
CN109487440B (zh) * | 2018-12-29 | 2024-06-07 | 深圳全棉时代科技有限公司 | 一种薄层非织造布的组合铺网装置及组合铺网工艺 |
CN109811431B (zh) * | 2019-03-28 | 2020-09-25 | 东阳市刚刚电器销售有限公司 | 一种具有定量功能的防损伤的羊绒梳理设备 |
CN115584596B (zh) * | 2022-09-08 | 2023-04-11 | 安徽金春无纺布股份有限公司 | 一种水刺纤维铺网交叉机构及水刺无纺布生产线 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US314369A (en) * | 1885-03-24 | Felt having a obqss section vaeying- in | ||
US2077095A (en) * | 1930-09-04 | 1937-04-13 | E L Cady Engineering Company | Carding machine |
DE1048203B (de) * | 1957-03-28 | 1958-12-31 | Spinnerei Karl Marx Veb | Strecke fuer die Spinnereivorbereitung |
DE1435259A1 (de) * | 1960-08-03 | 1968-11-07 | Jenkins Geb Blatz Ellen B | Verfahren und Vorrichtung zum Strecken von Bahnen aus Werkstoff wie Leder usw |
DE1560804A1 (de) * | 1966-05-21 | 1972-03-16 | ||
ES385298A1 (es) * | 1970-11-06 | 1973-08-16 | Lorenzo Garcia | Perfeccionamientos en la construccion de maquinas para el estirado de fibras textiles artificiales. |
DE2259919B2 (de) * | 1972-12-07 | 1975-04-17 | Fried. Krupp Gmbh, 4300 Essen | Vorrichtung zum Verziehen von wirr-, kreuz- oder längsgerichteten Faservliesen |
DE3245517C2 (de) * | 1982-12-09 | 1985-11-14 | Spinnbau GmbH, 2820 Bremen | Vorrichtung zum Verziehen von querorientiert einlaufenden Faservliesen |
EP0129516B1 (de) * | 1983-05-24 | 1987-03-25 | FONDERIE OFFICINE RIUNITE F.O.R. ING. GRAZIANO DI L. GRAZIANO & C. S.a.s. | Streckmaschine für textile Faservliese |
IT1173178B (it) * | 1984-02-02 | 1987-06-18 | Sipa Spa | Macchina crettatrice migliorata per la crettatura di fibre sintetiche e artificiali |
DE4010174A1 (de) * | 1990-03-30 | 1991-10-02 | Hollingsworth Gmbh | Verfahren zum ablegen eines vlieses oder dgl., sowie vliesbandleger |
DE9212215U1 (de) * | 1992-09-10 | 1994-01-13 | Autefa Maschinenfabrik GmbH, 86316 Friedberg | Vorrichtung zur Herstellung eines Vlieses aus Fasermaterial |
GB9422889D0 (en) | 1994-11-12 | 1995-01-04 | Garnett Controls Ltd | Fibre metering arrangement |
US6189185B1 (en) * | 1997-02-19 | 2001-02-20 | Asselin | Methods and devices for producing a streamlined lap and a continuous textile product |
FR2770855B1 (fr) * | 1997-11-07 | 2000-01-28 | Asselin | Procede et dispositif pour produire une nappe textile |
DE19749678C1 (de) | 1997-11-10 | 1998-12-10 | Mannesmann Sachs Ag | Drehschwingungsdämpfer |
FR2794475B1 (fr) * | 1999-06-01 | 2001-08-17 | Asselin | Procede pour reguler le profil d'une nappe non-tissee et installation de production s'y rapportant |
-
2001
- 2001-08-14 DE DE10139833A patent/DE10139833A1/de not_active Withdrawn
-
2002
- 2002-08-01 DE DE50202379T patent/DE50202379D1/de not_active Expired - Lifetime
- 2002-08-01 EP EP02017301A patent/EP1285982B1/de not_active Expired - Lifetime
- 2002-08-01 AT AT02017301T patent/ATE268399T1/de active
- 2002-08-01 EP EP03025705A patent/EP1386990B1/de not_active Expired - Lifetime
- 2002-08-01 AT AT03025705T patent/ATE290112T1/de active
- 2002-08-01 DE DE50200494T patent/DE50200494D1/de not_active Expired - Lifetime
- 2002-08-14 US US10/218,778 patent/US6662407B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1285982A1 (de) | 2003-02-26 |
EP1386990A1 (de) | 2004-02-04 |
ATE268399T1 (de) | 2004-06-15 |
DE50202379D1 (de) | 2005-04-07 |
DE50200494D1 (de) | 2004-07-08 |
US6662407B2 (en) | 2003-12-16 |
DE10139833A1 (de) | 2003-02-27 |
ATE290112T1 (de) | 2005-03-15 |
EP1285982B1 (de) | 2004-06-02 |
US20030033691A1 (en) | 2003-02-20 |
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