EP2479321A1 - Etaleur-nappeur - Google Patents

Etaleur-nappeur Download PDF

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Publication number
EP2479321A1
EP2479321A1 EP11151392A EP11151392A EP2479321A1 EP 2479321 A1 EP2479321 A1 EP 2479321A1 EP 11151392 A EP11151392 A EP 11151392A EP 11151392 A EP11151392 A EP 11151392A EP 2479321 A1 EP2479321 A1 EP 2479321A1
Authority
EP
European Patent Office
Prior art keywords
card web
pile
conveyor belt
nonwoven
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.)
Withdrawn
Application number
EP11151392A
Other languages
German (de)
English (en)
Inventor
Johann Philipp Dilo
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.)
Oskar Dilo Maschinenfabrik KG
Original Assignee
Oskar Dilo Maschinenfabrik KG
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 Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP11151392A priority Critical patent/EP2479321A1/fr
Priority to CN201210012972.3A priority patent/CN102605486B/zh
Priority to US13/353,643 priority patent/US8495799B2/en
Publication of EP2479321A1 publication Critical patent/EP2479321A1/fr
Withdrawn legal-status Critical Current

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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
    • 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)

Definitions

  • the present invention relates to a nonwoven layer for laying a nonwoven fabric from a card web.
  • Nonwovens serve to deposit the card web produced by a carding machine as evenly as possible on a delivery conveyor belt in multilayered layers to form a nonwoven.
  • the card web is usually first passed through a superstructure and from there to a laying carriage, through the Ablegespalt the card web is placed on the delivery conveyor belt.
  • At least two pile conveyor belts serve to guide the card web through the nonwoven layer. The movements of the pile conveyor belts, the superstructure and the laying carriage are controlled in a coordinated manner.
  • a disadvantage of the above embodiments of a nonwoven layer is the complexity of the leadership of the revolving masking tape, which requires a variety of components and high mechanical complexity.
  • the present invention has for its object to provide a nonwoven, which ensures despite a simple mechanical construction between the inlet region of the webbed and the superstructure safe guidance of the card web without blowing and requires low maintenance.
  • the nonwoven laying for laying a fleece from a card web on a transversely movable superstructure through which the card web is guided, also a transversely movable laying carriage through which the coming from the superstructure card is guided and the delivery of the card web on a delivery conveyor belt serves.
  • the nonwoven depositor has at least two pile conveyor belts for guiding the pile web to the upper carriage and further to the laying carriage, wherein a first circulating pile conveyor belt whose upper run extends from an inlet region of the web laying machine to the upper carriage and serves as a support surface for the card web forms a rough pile conveyor belt is, and wherein above the upper run of the first Flortransportbandes a cover strip for enclosing the resting on the upper run of the first Flortransportbandes card web is arranged from above.
  • the cover strip is smooth and arranged substantially stationary in the nonwoven layer.
  • the cover strip is designed impermeable to air, so that a secure cover and leadership of the card web is ensured by the cover.
  • the masking tape is preferably formed from a Teflon- or PVC-coated fabric carrier.
  • the first pile conveyor belt is permeable to air. In this way, the air transported by the card web can effectively escape downwards and impurities in the card web are prevented.
  • the substantially stationary cover strip is mounted by means of stretchable means in a machine frame of the web laying.
  • stretchable means are created with a possible change in position of the cover.
  • the stretchable means are springs or pneumatic cylinders.
  • the cover strip passes through the superstructure.
  • the superstructure can thus be looped under the cover strip, and there is in each case another portion of the substantially stationary cover strip within the superstructure, depending on the respective position of the upper carriage.
  • the guidance of the cover band in the uppercarriage is preferably optimized by arranging a guide element for guiding the cover band in the uppercarriage.
  • the nonwoven may have in its inlet region a vertically adjustable pressure roller to form a pile memory.
  • the pressure roller is movable so that it presses from above on the cover strip and thus on the upper run of the first pile conveyor belt. In this way, an elongation of the transport path of the card web in the inlet region of the web layer can be generated, which compensates for an increased entry speed of the card web.
  • a mechanically preferred solution for the formation of the pile memory is that the pressure roller presses on an oblique inlet portion of the cover strip and the first pile conveyor belt.
  • a movable tensioning carriage is provided to compensate for the required additional storage length in the pile storage of the first Flortransportbandes, by the first pile conveyor belt runs.
  • This tensioning carriage can be controlled or regulated according to the required additional length of the first pile conveyor belt and thus provide a balance, so that the first pile conveyor belt remains unaffected in terms of its overall length.
  • Fig. 1 shows a schematic cross-sectional view of an embodiment of the invention.
  • a nonwoven layer 2 with an endless circulating delivery conveyor belt 4, which is intended, one from a card web 6 (see Fig. 2 ) Fleece laid in a direction perpendicular to the drawing plane transport direction.
  • a card web 6 see Fig. 2
  • an upper guide roller 8 is shown.
  • the card web 6 is for clarity only in Fig. 2 shown.
  • the delivery conveyor belt 4 is a laying carriage 10 on rails or tubes (not shown) moved back and forth.
  • two guide rollers 12 and 14 are freely rotatably mounted.
  • the first guide roller 12 is partially wrapped by a pile conveyor belt 16, hereinafter also called second pile conveyor belt 16.
  • the second pile conveyor belt 16 is fixedly secured at its first end 18 in the machine frame, not shown, of the webbing 2 and runs from there at a close distance above the delivery conveyor belt 4 to laying carriage 10, where it is deflected by 180 ° and then four stationary guide rollers 20, 22, 24, 26 is returned to the second guide roller 14 in the laying carriage.
  • the deflection roller 14, which is also rotatably mounted in the laying carriage 10, is partially wrapped by the second pile conveyor belt 16, so that the pile conveyor belt 16 is deflected by 180 ° and from the lower exit region of the laying carriage 10 at a close distance above the delivery conveyor belt 4 runs until it its second end 28 is in turn firmly connected to the machine frame of the webbed 2.
  • a chain or a toothed belt is mounted, which runs for example via a drive gear connected to a motor and a deflection wheel (all elements not shown). With the aid of these drive devices, the laying carriage 10 can be moved back and forth across the delivery conveyor belt 4 transversely to its transport direction.
  • an upper carriage 30 transversely to the transport direction of the delivery conveyor belt 4 on rails or tubes (not shown) movably mounted.
  • the rails or tubes may be the same rails or tubes on which the laying carriage 10 is movably mounted.
  • the uppercarriage 30 has an upper deflecting roller 32 and a lower deflecting roller 34, which are laterally offset from one another.
  • About these two guide rollers 32, 34 runs another Flortransportband 36, which is subsequently called first Flortransportband 36.
  • the first pile conveyor belt 36 slopes obliquely downwards.
  • the first Flortransportband 36 runs parallel to the right upper strand of the second Flortransportbandes 16.
  • the first Flortransportband 36 runs straight through the laying carriage 10 and is after the laying carriage 10 via a stationary mounted, motor-driven guide rollers 38 and from there via a mounted in a tensioning carriage 40 guide roller 42 out to then run over several stationary in the machine frame of the webbing 2 deflecting rollers 44, 46, 48, 50, before it reaches the superstructure 30 again.
  • the superstructure 30 and the tensioning carriage 40 may be connected to each other via a chain or a toothed belt (not shown) which runs via a drive gear (not shown) connected to a motor and a deflection wheel, which are mounted in the machine frame (not shown).
  • the clamping carriage 40 is also on rails or tubes (not shown) movably mounted. It may also be advantageous if the movements of superstructure 30 and clamping carriage 40 are decoupled from each other.
  • portions of the first pile transport belt 36 and of the second pile transport belt 16 are guided parallel to one another in close proximity, so that a card web 6 guided from the first web transport belt 36 in the mentioned Area between the superstructure 30 and the laying carriage 10 of the first pile conveyor belt 36 and the second pile conveyor belt 16 is sandwiched.
  • the card web 6 is supported by the second web transport belt 16.
  • the two take over between carriage 10 and machine frame of the webbing 2 extending portions of the second Flortransportbandes 16 at the same time take over the function of a cover strip for the laid nonwoven.
  • Fig. 1 One recognizes in Fig. 1 in that, during operation, the superstructure 30 and its associated tensioning carriage 40 execute a mutually opposite movement.
  • the tensioning carriage 40 serves to keep the loop length of the first pile conveyor belt 36 constant.
  • the movements of laying carriage 10 and superstructure 30 are coordinated so that when feeding the card web 6 at a uniform speed in the nonwoven 2 a controlled storage of the card web 6 without stretching or compression within the web layer 2 can take place on the delivery conveyor belt 4.
  • the superstructure 30 moves in each case in the same direction, on average only half as fast as the laying carriage 10. It is also taken into account that the laying carriage 10 has to be decelerated in the region of its movement reversal position to a standstill and accelerated again.
  • the card web 6 is fed at a variable speed, for example because a cyclically operating drafting arrangement (not shown) is arranged in front of the web laying machine 2 which produces an alternating thickness in the card web 6 for the purpose of achieving a transverse profiling of the laid web, with the aid of one another independent control of the movement of superstructure 30 and laying carriage 10 in a known manner a Florbahnbuff ceremonies be made within the batt 2.
  • a cyclically operating drafting arrangement (not shown) is arranged in front of the web laying machine 2 which produces an alternating thickness in the card web 6 for the purpose of achieving a transverse profiling of the laid web, with the aid of one another independent control of the movement of superstructure 30 and laying carriage 10 in a known manner a Florbahnbuff ceremonies be made within the batt 2.
  • a gap is formed, which is referred to as a discharge gap.
  • both pile conveyor belts 16, 36 are driven so that they run at the same speed.
  • the fleece layer 2 has a cover strip 52 which extends from an inlet region of the fleece layer 2 to at least the upper carriage 30.
  • the cover strip 52 in this case runs directly above an upper run 54 of the first pile transport belt 36, which serves as a support surface for the card web 6 in this area and is moved in the direction of the arrow A.
  • the card web 6 is thus enclosed between the upper run 54 of the first pile transport belt 36 and the cover 52.
  • the first pile conveyor belt 36 is formed rough, preferably as an air-permeable screen belt
  • the cover 52 is formed smooth and arranged substantially stationary in the nonwoven layer 2.
  • the cover strip 52 is preferably impermeable to air and formed, for example, from Teflon or PVC-coated fabric.
  • the first pile transport belt 36 to be impermeable to air, eg to have a cubed PVC surface, while the stationary cover band 52 has pores to allow the air to escape without becoming rough.
  • the circulating first Flortransportband 36 moves due to frictional forces on the lying thereon card web 6, and the cover 52, which is not moved with the card web 6, serves as a stationary cover, thus preventing unwanted turbulence or blowing of fibers of the card web 6.
  • the card web 6 remains largely free of turbulence, which higher Florlauf Oberen can be realized.
  • the card web 6 is guided as a sandwich between the upper run 54 of the first pile transport belt 36 and the cover strip 52, being moved forward solely by the movement of the first pile transport belt 36 and the smooth cover strip 52 does not interfere with the movement of the card web 6 ,
  • the masking tape 52 does not necessarily cover the entire upper run 54 of the first pile transport belt 36, but preferably extends from the entrance area of the batt 2 through the uppercarriage 30.
  • the substantially stationary cover band 52 is preferably fixed at its two ends to the machine frame of the fleece layer 2.
  • the masking tape 52 then extends from a first attachment point 56 in the inlet region of the webbing 2 of the web of the first Flortransportbandes 36 to the superstructure 30, through the latter and from the uppercarriage 30 horizontally to the second attachment point 58 at the rear end of the webbing 2 in the area Of the attachment points 56, 58, the cover band 52 is preferably mounted by means of stretchable means 60 in the machine frame of the web layer 2.
  • the expandable means 60 may comprise either springs or pneumatic cylinders or other suitable elements.
  • the nonwoven layer 2 also have in its inlet region a vertically adjustable pressure roller 62, which serves to form a pile memory in the fleece layer 2.
  • the pressure roller 62 is movable such that it presses from above onto the cover strip 52 and thus simultaneously onto the upper run 54 of the first pile transport belt 36. This movement can be supported by a support roller 64, which is also arranged in the inlet region of the webbing 2 and presses from above on the cover 52.
  • the deflection roller 48 can be used as a counter-clamping means.
  • the extended path of the card web 6 then runs between the extended pressure roller 62 and the guide roller 48 substantially perpendicular, as shown in dashed lines of memory formation in Fig. 2 evident.
  • the pressure roller 62 presses on an oblique inlet section 66 of the cover strip 52 and thus also of the first pile transport belt 36.
  • the expandable means 60 are provided, by means of which the suspension of the cover strip 52 can be extended at its two ends.
  • the situation is different for the moving first pile conveyor belt 36.
  • the clamping carriage 40 can be actuated correspondingly changed, also within the scope of a control loop.
  • the tensioning carriage 40 can deliver additional length of the first pile conveyor belt 36 required by movement to the left in the pile store and at the same time leave the total length of the first pile conveyor belt 36 unchanged.
  • Fig. 3 is shown a possibility of guiding the cover strip 52 in the uppercar 30. Due to the back and forth of the upper carriage 30, the substantially stationary cover band 52 must experience a support both to the left and to the right, so that it can slide through the latter during the movement of the upper carriage 30 in a defined manner. For this purpose, one needs an additional guide element 68, in the illustrated example, a guide shoe, which must be as smooth as possible and the lower guide roller 34 of the upper carriage 30 is adjacent.
  • Fig. 4 an alternative possibility of guiding the cover band 52 in the uppercarriage 30 is shown.
  • the guide element 68 is designed as a co-moving with the superstructure 30 smooth roller, which is arranged above the lower guide roller 34 and the cover strip 52 is deflected.
  • an additional guide means 69 is provided for the guidance of the card web around the lower deflection roller 34, for example that EP 1 947 223 A1 known guiding means.
  • a total of two pile conveyor belts 16, 36 are contained in the fleece layer 2.
  • the invention can also be applied to other embodiments of fleece layers with two pile conveyor belts, as well as to many other fleece layers, for example those with three pile conveyor belts.
  • An example of such a fleece layer with three pile conveyor belts is in Fig. 5 shown.
  • the illustrated nonwoven layer is the second pile conveyor belt 16 of the embodiment Fig. 1 replaced by a second pile conveyor belt 70 and a third pile conveyor belt 72, which are deflected in a common tensioning carriage 74.
  • the invention is also applicable to reverse web layers in which the uppercarriage 30 and the laying carriage 10 move in opposite directions, or to the low-arm leveler.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
EP11151392A 2011-01-19 2011-01-19 Etaleur-nappeur Withdrawn EP2479321A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11151392A EP2479321A1 (fr) 2011-01-19 2011-01-19 Etaleur-nappeur
CN201210012972.3A CN102605486B (zh) 2011-01-19 2012-01-16 纤维铺设机
US13/353,643 US8495799B2 (en) 2011-01-19 2012-01-19 Fleece layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11151392A EP2479321A1 (fr) 2011-01-19 2011-01-19 Etaleur-nappeur

Publications (1)

Publication Number Publication Date
EP2479321A1 true EP2479321A1 (fr) 2012-07-25

Family

ID=43923736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11151392A Withdrawn EP2479321A1 (fr) 2011-01-19 2011-01-19 Etaleur-nappeur

Country Status (3)

Country Link
US (1) US8495799B2 (fr)
EP (1) EP2479321A1 (fr)
CN (1) CN102605486B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3015578A1 (fr) 2014-10-27 2016-05-04 Oskar Dilo Maschinenfabrik KG Étaleur-nappeur
EP3150753A1 (fr) 2015-09-30 2017-04-05 Oskar Dilo Maschinenfabrik KG Dispositif de transport d'une bande de voile ou d'un non-tisse

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2537967B1 (fr) * 2011-06-20 2013-12-18 Oskar Dilo Maschinenfabrik KG Procédé destiné au fonctionnement d'un étaleur-nappeur
CN102795505A (zh) * 2012-08-11 2012-11-28 河北杰力伟机械设备有限公司 棉被胎铺网切网装置
DE102012019363A1 (de) * 2012-10-02 2014-04-03 Trützschler GmbH & Co Kommanditgesellschaft Kreuzleger und Verfahren zum Betreiben eines Kreuzlegers
DE202013104946U1 (de) * 2013-11-05 2015-02-06 Autefa Solutions Germany Gmbh Vliesleger
CN104532478B (zh) * 2014-12-16 2018-01-12 于明 高速交叉铺网机
CN105129502B (zh) * 2015-09-11 2017-01-18 李晨喜 一种毛网传输装置
EP3168337B1 (fr) * 2015-11-10 2018-03-28 Oskar Dilo Maschinenfabrik KG Dispositif destine au transport guide d'une bande de voile
CN106835508B (zh) * 2017-02-23 2021-10-08 扬州纪元纺织有限公司 一种湿法纺丝技术制备长丝无纺布的铺网方法及装置
FR3063741A1 (fr) * 2017-03-09 2018-09-14 Andritz Asselin Thibeau Etaleur nappeur
CN107326545A (zh) * 2017-06-05 2017-11-07 嘉善睿逸电子科技有限公司 一种纤维铺设和缝合机
CN109750416A (zh) * 2019-03-14 2019-05-14 常熟市弘毅无纺机械有限公司 一种铺网机棉网牵伸调节机构及铺网机
DE202019105883U1 (de) * 2019-10-23 2021-01-26 Autefa Solutions Germany Gmbh Vliesleger und Abschirmeinrichtung

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DE19543623A1 (de) 1995-11-23 1997-05-28 Hergeth Hollingsworth Gmbh I K Florleger, sowie Verfahren zum Herstellen eines Vlieses
EP1010787A2 (fr) * 1998-12-18 2000-06-21 Autefa Maschinenfabrik Gmbh Etaleur-nappeur
US6195844B1 (en) * 1997-11-07 2001-03-06 Asselin Method and devices for producing a textile fleece
EP1136600A1 (fr) 2000-03-13 2001-09-26 Automatex S.r.l. Appareil etaleur-nappeur pour de voiles cardeuses
DE202004020165U1 (de) * 2004-12-23 2006-05-04 Autefa Automation Gmbh Vliesleger
EP1947223A1 (fr) 2007-01-18 2008-07-23 Oskar Dilo Maschinenfabrik KG Dispositf pour le transport guidé d'un voile de fibres
EP1870499B1 (fr) 2006-06-21 2010-07-28 ERKO Trützschler GmbH Etaleur-nappeur

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EP1593761B1 (fr) * 2004-04-02 2007-06-20 Oskar Dilo Maschinenfabrik KG Distributeur de voile à bras incliné
US7320154B2 (en) 2004-03-08 2008-01-22 Oskar Dilo Maschinenfabrik Ag Fleece laying device
FR2894600B1 (fr) * 2005-12-13 2008-02-29 Asselin Thibeau Soc Par Action Transport d'une bande de non-tisse au moyen d'une bande de transport avec portion ascendante et/ou a vitesse variable
EP1816243B1 (fr) * 2006-02-01 2008-06-18 Oskar Dilo Maschinenfabrik KG Dispositif de pose d'un non-tissé
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EP1975286A1 (fr) * 2007-03-30 2008-10-01 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur
ATE469252T1 (de) * 2007-03-30 2010-06-15 Dilo Kg Maschf Oskar Vliesleger
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Publication number Priority date Publication date Assignee Title
DE19543623A1 (de) 1995-11-23 1997-05-28 Hergeth Hollingsworth Gmbh I K Florleger, sowie Verfahren zum Herstellen eines Vlieses
US6195844B1 (en) * 1997-11-07 2001-03-06 Asselin Method and devices for producing a textile fleece
EP1010787A2 (fr) * 1998-12-18 2000-06-21 Autefa Maschinenfabrik Gmbh Etaleur-nappeur
EP1136600A1 (fr) 2000-03-13 2001-09-26 Automatex S.r.l. Appareil etaleur-nappeur pour de voiles cardeuses
DE202004020165U1 (de) * 2004-12-23 2006-05-04 Autefa Automation Gmbh Vliesleger
EP1870499B1 (fr) 2006-06-21 2010-07-28 ERKO Trützschler GmbH Etaleur-nappeur
EP1947223A1 (fr) 2007-01-18 2008-07-23 Oskar Dilo Maschinenfabrik KG Dispositf pour le transport guidé d'un voile de fibres

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3015578A1 (fr) 2014-10-27 2016-05-04 Oskar Dilo Maschinenfabrik KG Étaleur-nappeur
EP3015577A1 (fr) 2014-10-27 2016-05-04 Oskar Dilo Maschinenfabrik KG Étaleur-nappeur
US10145032B2 (en) 2014-10-27 2018-12-04 Oskar Dilo Maschinenfabrik Kg Cross lapper
EP3150753A1 (fr) 2015-09-30 2017-04-05 Oskar Dilo Maschinenfabrik KG Dispositif de transport d'une bande de voile ou d'un non-tisse
CN106929964A (zh) * 2015-09-30 2017-07-07 奥斯卡迪罗机械制造公司 用于传送纤维网或非织造网的设备
US9725830B2 (en) 2015-09-30 2017-08-08 Oskar Dilo Maschinenfabrik Kg Device for conveying a fiber web or a web of nonwoven

Also Published As

Publication number Publication date
CN102605486A (zh) 2012-07-25
CN102605486B (zh) 2014-07-30
US8495799B2 (en) 2013-07-30
US20120180264A1 (en) 2012-07-19

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