EP2881509B1 - Empileur tourne-piles - Google Patents

Empileur tourne-piles Download PDF

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Publication number
EP2881509B1
EP2881509B1 EP14002667.5A EP14002667A EP2881509B1 EP 2881509 B1 EP2881509 B1 EP 2881509B1 EP 14002667 A EP14002667 A EP 14002667A EP 2881509 B1 EP2881509 B1 EP 2881509B1
Authority
EP
European Patent Office
Prior art keywords
belt
cross
batt
outlet
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.)
Revoked
Application number
EP14002667.5A
Other languages
German (de)
English (en)
Other versions
EP2881509A1 (fr
Inventor
Reinhold Döring
Sven Thomssen
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.)
Truetzschler GmbH and Co KG
Original Assignee
Truetzschler GmbH and Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=51263182&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2881509(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP2881509A1 publication Critical patent/EP2881509A1/fr
Application granted granted Critical
Publication of EP2881509B1 publication Critical patent/EP2881509B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
    • 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
    • D04H11/00—Non-woven pile fabrics
    • D04H11/04—Non-woven pile fabrics formed by zig-zag folding of a fleece or layer of staple fibres, filaments, or yarns, strengthened or consolidated at the folds

Definitions

  • the invention relates to a cross-stacker for forming a nonwoven fabric from several layers of batt.
  • carding machines For the production of multi-ply nonwovens carding machines are usually used with subsequent stackers.
  • fiber flocks are fed on the inlet side, which are dissolved up to the individual fiber and output on the outlet side as an unconsolidated textile fabric, the batt.
  • the cross-stacker transports the batt on a discharge belt arranged at 90 ° to the inlet direction and deposits the batt in a predetermined laying width in several layers on the outlet belt.
  • the resulting nonwoven fabric can be solidified in a subsequent needle machine.
  • the relation of the infeed speed of the crosslapper to the outfeed speed of the outfeed belt determines the stratification to be achieved, that is to say the number of layers of batt in the "nonwoven" fabric to be delivered.
  • the continuously tapered batt in laying width is deposited on the 90 ° to the Faserfloreinlaufraum arranged outlet conveyor, wherein in the outlet direction an accretive sheet "fleece" is extended from the stacker.
  • the corresponding relation between the entry speed of the batt into the crosslapper and the corresponding exit speed of the exit belt gives appropriate to the structural property of the incoming fiber web the corresponding Fleece thickness and thus determines the structural property of the stacked Einzelflore.
  • the nonwoven fabric grows over the set fiber pile width.
  • the batt stored in the laying carriage is always deposited as a single layer on the outlet conveyor. Due to the subsequent stacking of further fibrous webs, the outlet belt usually has a sloping tendency in the outlet direction, so that the total surface of the resulting web should form a horizontal plane as possible.
  • the outlet conveyor Since the outlet conveyor is mounted with a sloping slope fixed in the outlet direction, it is very inflexible with respect to different nonwoven thicknesses, ie in the number of layered fibrous webs.
  • the tapered edge of the web at the break point for the nonwoven edge in the open becoming gusset by force fit can not be sufficiently fixed, whereby the resulting web edge and the corresponding distance of the fibrous web edge is deformed.
  • due to the inclined outlet belt results in an odd deposition of the batt, whereby oblique fleece edges arise, resulting in consequence to a non-uniform over the width of the web surface profile, since the edges of the formed web fall off.
  • the DE 20 2007 009 305 U1 describes the outlet region of a cross-stacker, wherein the discharge belt is arranged obliquely below the laying carriage and subsequently has a pivotable extension region. This is also followed by an obliquely arranged and pivotable trigger table. This is a memory to be formed in order to allow a uniform as possible further transport of the fabric produced by the following deduction table.
  • the cross-stacker for forming a nonwoven fabric from several layers Fiberboard comprises at least one band that promotes the batt from the inlet region of the cross stacker to a laying nip of a laying carriage, the laying carriage deposits the batt on a discharge belt.
  • the invention is characterized in that the outlet conveyor has means to form a horizontal section at least in the region of the depositing point of the fibrous web on the outlet conveyor belt.
  • the batt is thus always stored on a parallel plane to the covering bands, which form the laying carriage with the laying rollers.
  • There is a controlled storage of the incoming batt it being ensured that neither the Faserflorkante nor the nonwoven edge is deformed by decreasing adhesion between Fibor, levers and outlet conveyor the fleece transport from the open in the exit direction gusset. Due to the fact that the batt on a parallel Level is deposited to the covering tapes, the resulting fleece receives straight edges and remains wrinkle-free
  • the discharge belt has a sloping section arranged downstream of the horizontal section in the exit direction.
  • the already laid down in the discharge direction batt forms a backing for at least a portion of the just laid down batt, which is thus placed at least partially through the horizontal section and through the already deposited layers of batt horizontally on the outlet conveyor.
  • the invention further provides that the means have an adjustment device with which the size of the horizontal section can be varied in the outlet direction at least in the area of the depositing point of the fibrous web.
  • the size or width of the horizontal section can hereby be adjusted so that depending on the layers to be laid, the horizontal section can become larger or smaller. If the resulting fleece is very thin and thus cover only small layers of batt, the horizontal section is chosen to be larger, up to the width of the batt.
  • the horizontal section is chosen smaller because the deposited layers of batt at least partially compensate for the tendency of the discharge belt and thus form a horizontal plane. It is thus possible to start with a large horizontal section at the beginning of web formation and to reduce the horizontal section with each new layer of batt until the web thickness is reached.
  • the starting process can hereby be automated and optimized.
  • a further improvement is achieved in that the means are pivotable about a pivot point.
  • the support of the Outlet tape in the area that forms the horizontal section to be set very accurately.
  • a preferred embodiment provides that the means consist of a roller, a sheet, a linkage or a deflection, with which the discharge belt is at least partially supported to form the horizontal portion.
  • various constructive variants can be selected, with which the outlet conveyor is supported in the region of the horizontal section, and on which the outlet conveyor can slide.
  • a further embodiment of the invention provides that the outlet belt is pivotable about a pivot point. This can stand horizontally at the first filing of the batt, the outlet belt and tend with each new deposited layer of batt at the angle ⁇ . At the same time, the horizontal section can increase or decrease, depending on the thickness of the web to be formed or depending on the layered layers of batt.
  • pivot point may be advantageous to arrange the pivot point in the region of an upper deflection roller. This avoids that the distance of the outlet belt changes from the laying gap in a larger area.
  • the adjustment is manually, semi-automatically or automatically actuated.
  • a manual adjustment device With a manual adjustment device, a low-cost solution can be created for large and consistent production volumes.
  • a semi-automatic setting device makes sense with changing production quantities and qualities.
  • a fully automatic adjustment device may be part of a control device in conjunction with a profile cross-section measuring system.
  • FIGS. 1 and 2 is exemplary and only schematically illustrated the principle of a cross-stacker 1.
  • the batt 3 is transported to an infeed conveyor 2 of a cross-stacker 1.
  • an upper carriage is arranged, in which in this illustration only one guide roller 6 can be seen.
  • the stacker 1 has a laying carriage, of which a laying roller 10 for a counter-belt 13 and a laying roller 9 for the inlet belt 2 are shown.
  • the so-called laying gap 11 is arranged, from which the batt 3 exits and is deposited on a arranged below the laying carriage discharge belt 15.
  • Both laying rollers 9, 10 assume the direction of travel depending on the task to store the batt 3 orthogonal to the previous direction on a arranged below the laying carriage outlet conveyor 15 and thereby fold. For this moves the carriage in the horizontal direction permanently back and forth over a preset width.
  • the infeed belt 2 is deflected in this embodiment by a first and second guide rollers 4, 5 and a guide roller 6 of the upper carriage.
  • a shroud 7 may be arranged, which is guided in this illustration to a guide roller 8, a guide roller 6 of the upper carriage and a further guide roller 12.
  • Both bands 2, 7 may be designed as endless belts, which are driven on at least one further deflection roller, not shown.
  • Other constructive variants in which the laying carriage does not interact with the infeed belt 2 but with a further belt are possible and known.
  • the infeed belt 2 and the shroud 7 do not run parallel in this exemplary embodiment, but form an acute angle open to the carding machine, in which the fiber web 3 is pulled in and slightly compressed.
  • the batt 3 is guided around the deflection roller 6 of the superstructure around, wherein the shroud 7 is discharged laterally by means of the guide roller 12.
  • the opposing belt 13 and the infeed belt 2 cling or guide the fiber web 3 together now to the laying nip 11, which is formed essentially from the distance between the two laying rollers 9 and 10 of the laying carriage.
  • the batt 3 emerges from the laying nip 11 and is laid on a discharge belt 15 arranged below the laying nip 11.
  • the carriage then moves permanently in a horizontal reciprocating direction (arrow) across the width of the outlet conveyor 15, on which the batt 3 is deposited and thereby folded.
  • the infeed belt 2, the shroud 7 and the counter belt 13 can be designed as endless belts, wherein the shroud 7 and the counter belt 13 may be designed to be permeable to air in order to remove entrained air.
  • An inexpensive embodiment is the use of a perforated tape.
  • a preferred embodiment is the use of a screen belt.
  • the laying carriage speed can be increased or decreased relative to the entry speed of the batt. That is, the laying rollers 9 and 10 move in a horizontal reciprocating direction faster or slower.
  • Both the inlet belt 2 as well as the shroud 7 have the same direction for the batt 3 and usually the same speed. To a certain extent, the fiber orientation at the surface can be affected in relation to the neutral fiber of the sliver if both belts 2, 7 are operated at slightly different speeds.
  • an outlet conveyor 15 is shown, whose top is inclined in the outlet direction 14 by the angle ⁇ .
  • the inclination is fixed and corresponds to a given fleece thickness.
  • several layers Fibrous (3a-3g) are shown in shortened width to simplify the invention.
  • the last laid layer of fibrous web 3g lies partly on the underlying layer of fibrous web 3f and this in turn partly on the underlying fibrous web 3g.
  • the outflow speed of the outlet belt 15 is set in this embodiment in relation to the bobbin feed speed so that three layers of fiber web (3g, 3f, 3e, or 3f, 3e, 3d, and 3e, 3d, 3c, etc.) partially cover.
  • the resulting fabric fleece thus has the threefold thickness of a simple layer of batt.
  • the first deposited layer of fiber web 3a is deposited at an angle ⁇ by the laying carriage on the outlet belt 15. Only the third layer of batt 3c is deposited approximately horizontally on the outlet belt 15. In this approximately horizontal depositing is the first 1/3 of the width of the batt on the inclined discharge belt 15. The remaining 2/3 of the width of the batt are raised by the underlying layers of batt and thus lie almost horizontally. In the process of laying carriage in the first two layers of batt 3a, 3b arise odd web edges, which are undesirable. If now the number of layers of batt increases or decreases, each layer of batt placed is deposited at an angle on the discharge belt 15, which is not horizontal, or not parallel to the belts 2 and 13.
  • the break points of the batt which at the same time the edge form of the nonwoven, so are not just so that an uneven surface profile of the web to be produced arises.
  • the surface of the discharge belt inclined at the angle ⁇ forms a fully inclined portion 15b.
  • FIG. 4 a first embodiment of the invention is shown.
  • the upper side of the outlet conveyor 15 is arranged horizontally and thus forms an overall horizontal section 15a, so that a first layer of batt 3a can be deposited on the outlet conveyor 15 without disturbances.
  • the outlet conveyor is guided by at least three, in this embodiment, four non-designated pulleys.
  • an upper guide roller 16 designed as a fulcrum for the entire outlet conveyor 15.
  • the outlet belt 15 can be pivoted at an angle ⁇ .
  • the inclination of the discharge belt 15 can be changed with increasing number of layers Fibrous.
  • Under the Surface of the outlet belt 15, a roller 17 is arranged, which is connected via a lever 18 with the guide roller 16.
  • the roller 17 has, together with the deflection roller 16, the task of at least partially holding the storage area of the fiber pile 3a on the discharge belt 15 in a horizontal position.
  • the distance between the roller 17 and the guide roller 16 is variable to adjust the coverage of the layers Fibrous. This ensures that exactly the width of the layer Fibrous 3a is placed horizontally on the outlet belt 15, which does not cover the previous layers Fibrous.
  • the vertical position of the roller 17 is adjustable by being pivotable about the pivot point of the guide roller 16 in a small area.
  • FIG. 5 A further layer of fibrous web 3b was deposited on the first layer of fibrous web 3a.
  • the outlet belt 15 has rotated about the guide rollers and transported the batt 3 a in the outlet direction 14. So that the further layer of batt 3b is not stored on a discharge belt 15 with opposite inclination due to the already lying layer of fiber web 3a, the discharge belt 15 was pivoted about the pivot point of the guide roller 16 by the angle ⁇ . Since in this embodiment the batt is deposited with a half overlap, the roller 17 has been displaced in the direction of the guide roller 16.
  • Under horizontal tray or horizontal portion 15a of the discharge belt is not to be understood as the absolute horizontal orientation, but a largely parallel position to the belts 2 and 13, which together with the laying rollers 9, 10 form the laying carriage, in turn, the batt on the outlet belt Offset 90 °.
  • adjustable in the outlet direction 14 and adjustable over the lever 18 at the pivot point of the guide roller 16 in height roller 17 of the horizontal portion 15a can also be prepared by an adjustable plate, linkage or a deflection over which the discharge belt 15 slides.
  • the outlet belt 15 fixed at a preset angle ⁇ , that is not adjustable to mount, and the horizontal portion 15 a exclusively on the pivotable and adjustable roller 17 to produce.
  • the outlet conveyor 15 requires on the bottom only a larger Leertrum than in the FIGS. 3 to 6 shown.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (9)

  1. Etaleur-nappeur pour la formation d'un non-tissé constitué de plusieurs couches de voile de fibres, comportant un tapis, lequel transporte la voile de fibres (3) depuis la région d'entrée de l'étaleur-nappeur (1) jusque vers une fente de pose (11) d'un chariot de pose, le chariot de pose plaçant la voile de fibres sur un tapis de sortie (15), le tapis de sortie (15) comprenant des moyens pour aménager une section horizontale (15a) au moins dans la région de l'endroit de pose de la voile de fibres (3) sur le tapis de sortie (5), caractérisé en ce que les moyens comprennent un dispositif d'ajustage, avec lequel la dimension de la section horizontale (15a) est variable au moins dans la région de l'endroit de pose de la voile de fibres (3) dans la direction de sortie (14).
  2. Etaleur-nappeur selon la revendication 1, caractérisé en ce que, au moins après la pose de la première couche de voile de fibres, le tapis de sortie (15) présente une section inclinée (15b) qui, dans la direction de sortie (14), est agencée en aval de la section horizontale (15a).
  3. Etaleur-nappeur selon l'une des revendications précédentes, caractérisé en ce que les moyens sont pivotables autour d'un point de rotation.
  4. Etaleur-nappeur selon l'une des revendications précédentes, caractérisé en ce que les moyens consistent en un rouleau (17), une tôle, des tringles ou une déflection, avec lesquels le tapis de sortie (15) est soutenu au moins partiellement pour aménager la section horizontale (15a).
  5. Etaleur-nappeur selon l'une des revendications précédentes, caractérisé en ce que le tapis de sortie (15) est pivotable autour d'un point de rotation.
  6. Etaleur-nappeur selon l'une des revendications précédentes 3 à 5, caractérisé en ce que le point de rotation est agencé dans la région d'un galet de déflection (16) supérieur, par lequel le tapis de sortie (15) est soutenu au moins partiellement.
  7. Etaleur-nappeur selon la revendication 1, caractérisé en ce que, le dispositif d'ajustage est actionnable manuellement, semi-automatiquement ou automatiquement.
  8. Etaleur-nappeur selon les revendications 3 et 4, caractérisé en ce que, le rouleau (17) est relié sur le point de rotation via un levier (18).
  9. Etaleur-nappeur selon la revendication 6, caractérisé en ce que le point de rotation est fixé sur ou dans la région du galet de déflection (16).
EP14002667.5A 2013-12-04 2014-07-31 Empileur tourne-piles Revoked EP2881509B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013113493.9A DE102013113493A1 (de) 2013-12-04 2013-12-04 Kreuzleger

Publications (2)

Publication Number Publication Date
EP2881509A1 EP2881509A1 (fr) 2015-06-10
EP2881509B1 true EP2881509B1 (fr) 2018-03-21

Family

ID=51263182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14002667.5A Revoked EP2881509B1 (fr) 2013-12-04 2014-07-31 Empileur tourne-piles

Country Status (3)

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EP (1) EP2881509B1 (fr)
CN (1) CN104695136B (fr)
DE (1) DE102013113493A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4299807A1 (fr) 2022-06-29 2024-01-03 Trützschler Group SE Procédé de formation d'un non-tissé à plusieurs couches de fibres textiles par un étaleur-nappeur, étaleur-nappeur et son utilisation

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017102468A1 (de) * 2017-02-08 2018-08-09 TRüTZSCHLER GMBH & CO. KG Speichertisch für einen Vliesleger und Verfahren zum Betrieb eines Speichertisches
FR3063741A1 (fr) * 2017-03-09 2018-09-14 Andritz Asselin Thibeau Etaleur nappeur
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
CN108374240B (zh) * 2018-05-15 2023-09-26 常熟市振泰无纺机械有限公司 一种铺网机铝撑杆
CN110079936A (zh) * 2019-04-17 2019-08-02 厦门当盛新材料有限公司 一种闪纺纤维后处理设备及方法
CN110438663A (zh) * 2019-07-31 2019-11-12 苏州鸿源特种纤维制品有限公司 一种用于非织造布的交叉铺网机及其生产工艺
CN110670244A (zh) * 2019-11-20 2020-01-10 常熟市振泰无纺机械有限公司 高速铺网机
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62117867A (ja) 1985-11-12 1987-05-29 池上機械株式会社 不織布成形機
DE202007009305U1 (de) 2006-07-08 2007-10-04 ERKO Trützschler GmbH Legevorrichtung
EP2175056A1 (fr) 2008-10-07 2010-04-14 Oskar Dilo Maschinenfabrik KG Dispositif et procédé destinés à la transmission d'un non-tissé
EP3066239A2 (fr) 2013-11-05 2016-09-14 AUTEFA Solutions Germany GmbH Dispositif de pose de non-tissé et procédé de pose de non-tissé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2637519Y (zh) * 2003-08-16 2004-09-01 王伟成 铺网机
ATE444383T1 (de) * 2006-05-09 2009-10-15 Dilo Kg Maschf Oskar Steilarmvliesleger
CN201817681U (zh) * 2010-08-31 2011-05-04 东莞市爱克斯曼机械有限公司 一种新型垂直成型铺网机
CN202688640U (zh) * 2012-07-19 2013-01-23 昆山吉美川纤维科技有限公司 铺网机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62117867A (ja) 1985-11-12 1987-05-29 池上機械株式会社 不織布成形機
DE202007009305U1 (de) 2006-07-08 2007-10-04 ERKO Trützschler GmbH Legevorrichtung
EP2175056A1 (fr) 2008-10-07 2010-04-14 Oskar Dilo Maschinenfabrik KG Dispositif et procédé destinés à la transmission d'un non-tissé
EP3066239A2 (fr) 2013-11-05 2016-09-14 AUTEFA Solutions Germany GmbH Dispositif de pose de non-tissé et procédé de pose de non-tissé

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4299807A1 (fr) 2022-06-29 2024-01-03 Trützschler Group SE Procédé de formation d'un non-tissé à plusieurs couches de fibres textiles par un étaleur-nappeur, étaleur-nappeur et son utilisation
DE102022116216A1 (de) 2022-06-29 2024-01-04 Trützschler Group SE Verfahren zum Bilden eines Vlieses aus mehreren Lagen Faserflor mittels eines Kreuzlegers, Kreuzleger sowie dessen Verwendung

Also Published As

Publication number Publication date
DE102013113493A1 (de) 2015-06-11
EP2881509A1 (fr) 2015-06-10
CN104695136A (zh) 2015-06-10
CN104695136B (zh) 2017-06-30

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