EP3662099B1 - Carde - Google Patents

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Publication number
EP3662099B1
EP3662099B1 EP18737582.9A EP18737582A EP3662099B1 EP 3662099 B1 EP3662099 B1 EP 3662099B1 EP 18737582 A EP18737582 A EP 18737582A EP 3662099 B1 EP3662099 B1 EP 3662099B1
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EP
European Patent Office
Prior art keywords
roller
roll
roller card
doffer
rollers
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
EP18737582.9A
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German (de)
English (en)
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EP3662099A1 (fr
Inventor
Bodo Heetderks
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 Group SE
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Truetzschler Group SE
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Publication date
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Publication of EP3662099A1 publication Critical patent/EP3662099A1/fr
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Publication of EP3662099B1 publication Critical patent/EP3662099B1/fr
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers

Definitions

  • the invention relates to a card for the production of nonwovens from fiber material, comprising at least one tambour, with at least two doffer rollers arranged downstream in the working direction and with a compression roller, which is in operative connection with all doffer rollers arranged downstream of the tambour, with the card being formed at least to transfer two layers of fibrous web to the compression roller by means of the at least two take-off rollers, each of the at least two layers of fibrous web being compressed separately by means of the ridge roller and brought together on the compression roller to form a single layer of fibrous web and this layer of fibrous web by means of a transfer roller for further processing on an outlet side the clutter is removed.
  • the classic card has a drum from which the fiber web is removed at one or more points. Each layer of fibrous web is compressed separately and then doubled or placed loosely one on top of the other on a removal device, for example a conveyor belt.
  • the EP 0661394 B1 describes a carding machine in which the fiber web layers are doubled and compressed on the first or second compression roller.
  • the card has the disadvantage that after the spool for each layer of fiber web at least one tangled roller, a doffer and two compression rollers are arranged one behind the other, which increases the dimensions of the card.
  • the EP 0950733 A1 discloses a card with two doffers that transfer the batt from the spool to two transfer rolls. The fibrous web is only compressed between the transfer rollers and the compression rollers.
  • the DE 98501 discloses the arrangement of three doffer rolls which transfer the batt from a first spool to a second spool.
  • the two lower stripper rollers interact with another transfer roller. With this card, an even compression of all three layers of fibrous web is not possible.
  • the object of the invention is to create a short card with a high carding capacity and a good bond between the fiber web layers.
  • the card for the production of fleece from fiber material comprises at least one drum with at least two doffing rollers arranged downstream in the working direction.
  • the carding machine also includes an edging roller, which is in operative connection with all doffing rollers downstream of the spool, with the carding device being designed to transfer at least two layers of fiber web to the edging roller by means of the at least two doffer rollers, with each of the at least two layers of fibrous web being transferred by means of the edging roller is compressed separately and brought together on the compression roller to form a single layer of fibrous web and this layer of fibrous web by means a transfer roller for further processing is withdrawn on an outlet side of the card.
  • the invention is characterized in that the edging roller has a diameter of at least 600 mm. Due to the fact that the circumferential speed of the compression roller is also lower than the circumferential speed of the lower and upper doffing rollers, the at least two layers of fiber batt are compressed and doubled in front of the doffing device inside the carding machine. Normally, increasing the roll diameter would increase the overall length of the roller card. Surprisingly, it has been shown that increasing the roller diameter has several advantages. On the one hand, space was created to transfer several layers of fiber web to the edging roller with several and larger doffing rollers.
  • roller and one or two further take-off devices could subsequently be dispensed with, which shortens the overall length of the roller card.
  • This also eliminates the need for bearings, drives and the associated synchronization, which simplifies the operation of the roller card, particularly with regard to control.
  • Another advantage is that due to the enlarged diameter of the edging roller to at least 600 mm, its peripheral speed and thus the centrifugal forces are reduced, so that fiber fly can be reduced.
  • the upper stripper roller has a larger diameter than the lower stripper roller. This creates the constructive freedom that up to six doffing rollers with differently graduated diameters can work together with one edging roller.
  • a further reduction in fiber fly can advantageously be achieved by increasing the diameter of the compression roller to a diameter of at least 800 mm.
  • This size is also in terms of the geometric arrangement of the upstream stripper rollers is advantageous, since these can also be enlarged as a result.
  • the enlargement of the compression roller to a diameter of at least 800 mm creates the possibility that up to six doffing rollers can compress or stretch a layer or layer of fiber web separately with the compression roller, and these separate layers or layers of fiber web are brought together and doubled on the compression roller.
  • the specified diameters relate to the roll diameters without the fitted clothing.
  • the transport path of the fibers from the entry side via the spool to the exit side is considered as the working direction.
  • the doffer rollers preferably have a diameter of at least 350 mm, preferably at least 380 mm, particularly preferably at least 400 mm. Increasing the diameter of the doffing rollers reduces the peripheral speed at which the batt is transported further. Reducing the peripheral speed reduces the centrifugal force acting on the fibers. This reduces fiber fly, so that productivity increases with high carding quality.
  • the doffer rolls are designed to operate at the same peripheral speed. In this way, each layer or layer of fibrous web is equally compressed or stretched by the subsequent compression roller.
  • the fibrous web is preferably guided from the tambour onto the doffer rollers by means of a transfer roller.
  • An additional stretching or compression of the fibrous web can be effected by the transfer roller, as a result of which the thorough mixing of the fibrous web can be improved.
  • the transfer roller can be designed as a tangled roller, with which the MD/CD ratio of the fibers can be optimized.
  • the fibrous web Due to the fact that the doffing rollers have a lower circumferential speed than the transfer roller, the fibrous web is compressed, which contributes to good mixing.
  • the roller card can preferably have up to six doffing rollers, which are simultaneously in operative connection with a compression roller. This means that high productivity can be achieved with a short overall length of the roller card.
  • the edging roller can be designed as a clothing roller or pinned roller.
  • Internal suction of the compression roller can improve the bringing together and doubling of the individual layers of fiber web, particularly when the layers or layers of fiber web have a very low weight.
  • FIG 1 the card 1 according to the invention is shown, which has an inlet side (not shown) for fiber tufts and an outlet side 1b for a fiber batt 20.
  • the fiber tufts are processed on the infeed side of the system fed and fed via rollers, not shown here, to a pre-drum or directly to the tambour 2, in which the fiber tufts are dissolved and aligned in a first stage down to the individual fibers.
  • a pre-drum or directly to the tambour 2 in which the fiber tufts are dissolved and aligned in a first stage down to the individual fibers.
  • the fibrous web can be removed from the spool 2 by a transfer roller 5 .
  • the drum 2 rotates clockwise and its clothing or teeth are also inclined clockwise or in the direction of rotation.
  • the transfer roller 5 rotates counterclockwise with the clothing or teeth of the transfer roller 5 inclined in the counterclockwise direction of rotation.
  • a lower take-off roller 7 takes over a first layer of the batt 20 while rotating in a clockwise direction.
  • the remaining second layer of batt 20 is taken from the transfer roll 5 by an upper stripper roll 6, which also rotates clockwise.
  • the sets or teeth of both stripper rollers 6, 7 are counterclockwise and counter to the direction of rotation of the stripper rollers 6, 7 inclined.
  • a compression roller 8 arranged downstream takes over both layers of fibrous web 20 from the lower and from the upper stripper roller 6, 7.
  • the compression roller 8 in turn rotates counterclockwise, with its clothing or teeth inclined clockwise.
  • a downstream transfer roller 9 guides the fibrous web 20 from the compression roller 8 onto the conveyor belt 10.
  • the special feature of the invention is that the compression roller 8 has a diameter of at least 600 mm, the peripheral speed of which is lower than the peripheral speed of the lower and upper doffer rollers 7, 6. This results in compression and doubling of the at least two layers of fiber batt 20 in front of the take-off device inside the card 1.
  • the edging roller 8 at least one roller and one or two further take-off devices can be dispensed with, which shortens the overall length of the card.
  • Another advantage is that due to the increased diameter of the compression roller 8 to at least 600 mm, the peripheral speed and thus the centrifugal forces decrease, so that the fiber flight can be reduced.
  • a further reduction in fiber fly can be achieved by increasing the diameter of the compression roller 8 to at least 800 mm. This size is also advantageous with regard to the geometric arrangement of the upstream stripper rollers 6, 7, since these can also be enlarged as a result.
  • a further advantage of the invention lies in the fact that the stripper rollers 6, 7 arranged between the transfer roller 5 and the compression roller 8 have also been enlarged compared to the prior art. Due to the increase in diameter of the doffer rollers 6, 7 to at least 350 mm, the peripheral speed and thus the centrifugal forces on the fibers decrease, which reduces fiber flight.
  • the doffer rollers 6, 7 preferably have a diameter of at least 380 mm, particularly preferably at least 400 mm.
  • the upper stripper roller 6 has a larger diameter than the lower stripper roller 7. Operating both stripper rollers 6, 7 at the same peripheral speed ensures the same delay when the fibrous web 20 is transferred to the compression roller 8.
  • the doffer rollers 6, 7 can also be operated at a different peripheral speed, so that each layer of fiber web is compressed differently and thus has a different density. This is advantageous for products where the density should be variable across the cross section.
  • the transfer roller 5 can also be designed as a tangled roller in order to influence the alignment of the fibers (MD/CD).
  • the following embodiment relates to the configuration of an exemplary roller card with a working width of 2.5 m.
  • the diameters of the rolls are given without the height of the clothing.
  • FIG 2 Another exemplary embodiment of the card 1 according to the invention is shown, which has an inlet side (not shown) for fiber tufts and an outlet side 1b for a fiber batt 20 .
  • the fibrous web 20 is removed from the tambour 2 with a first layer by an upper doffer roller 6 .
  • the drum 2 rotates clockwise and its clothing or teeth are also inclined clockwise or in the direction of rotation.
  • the upper stripper roll 6 rotates counterclockwise and its clothing or teeth are inclined in the direction of rotation clockwise.
  • a lower take-off roller 7 takes over a second layer of batt 20 while rotating counterclockwise.
  • the sets or teeth of both stripper rollers 6, 7 are inclined clockwise and counter to the direction of rotation of the stripper rollers 6, 7.
  • a subsequently arranged compression roller 8 takes over both layers of fiber web 20 from the lower and from the upper stripper roller 6, 7.
  • the compression roller 8 in turn rotates clockwise, the clothing or teeth of which are counterclockwise and inclined against the direction of rotation.
  • a downstream transfer roller 9 guides the fibrous web 20 from the compression roller 8 onto the conveyor belt 10.
  • the diameter of the edging roller 8 is at least 600 mm, with its peripheral speed being lower than the peripheral speed of the lower and upper doffer rollers 7, 6 Compression and doubling of the at least two layers of fibrous web 20 before the take-up device inside the card 1.
  • the tuck roller 8 By enlarging the tuck roller 8, at least one roller and one or two further take-off devices can be dispensed with, which shortens the overall length of the card.
  • a further advantage is that due to the increased diameter of the edging roller 8 to at least 600 mm, its peripheral speed and thus the centrifugal forces decrease, so that fiber fly can be reduced.
  • a further reduction in fiber fly can be achieved by increasing the diameter of the compression roller 8 to at least 800 mm. This size is also advantageous with regard to the geometric arrangement of the upstream stripper rollers 6, 7, since these can also be enlarged as a result.
  • a further advantage of the invention lies in the fact that the stripper rollers 6, 7 arranged between the spool 2 and the compression roller 8 have also been enlarged compared to the prior art. Due to the increase in diameter of the doffer rollers 6, 7 to at least 350 mm, the peripheral speed and thus the centrifugal forces on the fibers decrease, which reduces fiber fly.
  • the doffer rollers 6, 7 preferably have a diameter of at least 380 mm, particularly preferably at least 400 mm. According to the invention, the upper stripper roller 6 has a larger diameter than the lower stripper roller 7. Operating both stripper rollers 6, 7 at the same peripheral speed ensures the same delay when the fibrous web 20 is transferred to the compression roller 8.
  • the following embodiment relates to the configuration of an exemplary roller card with a working width of 2.5 m.
  • the diameters of the rolls are given without the height of the clothing.
  • ⁇ b>Table ⁇ /b> 2 roller item Roller diameter [mm] Speed [m/min]
  • the doffer rollers 6, 7 can also be operated at a different peripheral speed, so that each layer of fiber web is compressed differently and thus has a different density. This is advantageous for products where the density should be variable across the cross section.
  • the enlargement of the roller diameter of the doffer rollers 6, 7 and the compression roller 8 enables operation at a lower peripheral speed, as a result of which the centrifugal forces acting on the fibrous web 20 are lower than in the prior art.
  • the card can be operated with a higher productivity with a high carding quality.
  • a modified transfer to fiber batt 20 can be achieved, which in turn means that at least one or, depending on the design of the carding machine, two rollers can be dispensed with, whereby despite the increase in diameter of the doffer and compression rollers 6, 7, 8, the overall length of the clutter sinks.
  • the embodiment of figure 3 differs from the embodiment of figure 2 only by the third doffer roller 11, which is arranged between the doffer rollers 6 and 7 and with which a third layer or layer of fiber batt 20 can be transferred from the spool 2 to the compression roller 8. It can be seen that, depending on the roll diameter, four to six plies or layers of fibrous web 20 from a tambour 2 according to this exemplary embodiment or from a transfer roller according to the exemplary embodiment of FIG figure 1 can be transferred to the compression roller 8. In this embodiment, too, all stripper rollers 6, 7, 11 can have the same peripheral speed, so that each layer or layer of fibrous web is compressed by the compression roller 8 in the same way.
  • the doffer rollers 6, 7, 11 can also be operated at a different peripheral speed, so that each layer of fiber web is compressed differently and thus has a different density. This is advantageous for products where the density should be variable across the cross section.
  • the compression roller 8 can be in the form of a clothing roller or pinned roller. A further improvement in the takeover of the plies or layers of fiber web and their doubling can be achieved by the compression roller 8 is sucked from the inside.
  • the doffer rollers 6, 7, 11 are designed with the compression roller 8 for active web removal. This means that the stripper rollers 6 , 7 , 11 rotate in the opposite direction to the compression roller 8 . At the same time, the tooth inclination of the clothing is directed against the direction of rotation of the rollers 6, 7, 8, 11.
  • the peripheral speed of the compression roller 8 is lower than the peripheral speed of the doffing rollers 6, 7, 11, so that the fibrous web 20 is compressed.

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

Claims (11)

  1. Carde pour la fabrication de non-tissé à partir de matériau fibreux, comprenant au moins un tambour (2), avec au moins deux cylindres peigneurs (6, 7, 11) agencés ci-après dans la direction de travail et avec un cylindre de refoulement (8), qui se trouve en liaison fonctionnelle avec tous les cylindres peigneurs (6, 7, 11) disposés en aval du tambour (2), le voile de fibres (20) étant acheminé du tambour (2) directement ou au moyen d'un cylindre de transfert (5) sur les cylindres peigneurs (6, 7, 11), et la carde (1) est configurée pour remettre au moins deux couches de voile de fibres (20) au moyen des au moins deux cylindres peigneurs (6, 7, 11) au cylindre de refoulement (8), chacune des au moins deux couches de voile de fibres étant refoulée séparément au moyen du cylindre de refoulement (8) et rassemblée sur le cylindre de refoulement (8) en une couche unique de voile de fibres (20) et cette couche de voile de fibres (20) étant extraite au moyen d'un cylindre de transfert (9) en vue de la transformation ultérieure d'un côté de sortie de la carde, caractérisée en ce que le cylindre de refoulement (8) présente un diamètre d'au moins 600 mm, le cylindre peigneur supérieur (6) présentant un diamètre plus grand que le cylindre peigneur inférieur (7).
  2. Carde selon la revendication 1, caractérisée en ce que le cylindre de refoulement (8) présente un diamètre d'au moins 800 mm.
  3. Carde selon la revendication 1 ou 2, caractérisée en ce que les cylindres peigneurs (6, 7) présentent au moins un diamètre de 350 mm, de préférence d'au moins 380 mm, de manière particulièrement préférée d'au moins 400 mm.
  4. Carde selon la revendication 1, caractérisée en ce que le cylindre de transfert (5) est configuré sous forme de cylindre emmêleur.
  5. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que la carde est conçue de telle sorte que les cylindres peigneurs (6, 7, 11) peuvent être actionnés à la même vitesse circonférentielle.
  6. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que la carde est conçue de telle sorte que les cylindres peigneurs (6, 7, 11) peuvent présenter une vitesse circonférentielle plus faible que le cylindre de transfert (5).
  7. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que la carde est conçue de telle sorte que les cylindres peigneurs (6, 7, 11) peuvent présenter une vitesse circonférentielle plus élevée que le cylindre de refoulement (8).
  8. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que la carde présente trois à six cylindres peigneurs.
  9. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que le cylindre de refoulement (8) est configuré sous forme de cylindre à garnitures ou de cylindre à picots.
  10. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que le cylindre de refoulement (8) est aspiré de l'intérieur.
  11. Carde selon la revendication 7, caractérisée en ce que les cylindres peigneurs (6, 7, 11) présentent une direction de rotation opposée au cylindre de refoulement (8) et l'inclinaison des dents des garnitures est dirigée à l'encontre de la direction de rotation des cylindres respectifs (6, 7, 8, 11).
EP18737582.9A 2017-08-04 2018-07-03 Carde Active EP3662099B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017117761.2A DE102017117761A1 (de) 2017-08-04 2017-08-04 Krempel
PCT/EP2018/067929 WO2019025108A1 (fr) 2017-08-04 2018-07-03 Carde

Publications (2)

Publication Number Publication Date
EP3662099A1 EP3662099A1 (fr) 2020-06-10
EP3662099B1 true EP3662099B1 (fr) 2022-12-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18737582.9A Active EP3662099B1 (fr) 2017-08-04 2018-07-03 Carde

Country Status (4)

Country Link
EP (1) EP3662099B1 (fr)
CN (1) CN110662859A (fr)
DE (1) DE102017117761A1 (fr)
WO (1) WO2019025108A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111962159A (zh) * 2020-08-27 2020-11-20 望江汇通纺织有限公司 一种棉花打碎装置
CN112609267B (zh) * 2020-12-09 2021-09-03 佛山如虹纺织有限公司 一种高效的新型双道夫梳棉机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR419688A (fr) * 1910-08-26 1911-01-12 Albert Morel Perfectionnements dans les cardes pour coton

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Publication number Priority date Publication date Assignee Title
DE150251C (fr) *
DE98501C (fr) *
DE2111424A1 (de) * 1971-03-10 1972-09-14 Krupp Gmbh Vorrichtung zur Verbesserung der Florquerfestigkeit und Erhoehung des Florgewichtes an Krempeln
DE4344226A1 (de) * 1993-12-23 1995-06-29 Hollingsworth Gmbh Vlieskrempel, sowie Verfahren zur Vliesherstellung
DE19535876A1 (de) * 1995-09-27 1997-04-03 Hollingsworth Gmbh Anlage und Verfahren für die Vliesherstellung aus Fasermaterial
FR2777575B1 (fr) * 1998-04-17 2000-07-07 Thibeau Procede et installation pour la formation d'un voile fibreux par voie aeraulique
DE50308225D1 (de) * 2003-07-29 2007-10-31 Spinnbau Gmbh Vlieskrempel und Verfahren zur Herstellung eines Faservlieses
CN201092596Y (zh) * 2007-06-08 2008-07-30 东华大学 抽吸剥网系统
CN201981307U (zh) * 2011-03-17 2011-09-21 黄卫岳 导夫合并出棉梳理机
CN202107817U (zh) * 2011-05-23 2012-01-11 东华大学 一种非织造高产梳理机的梳理成网系统
CN202466005U (zh) * 2012-03-07 2012-10-03 青岛东佳纺机（集团）有限公司 非织造布梳理机
FR3018284B1 (fr) * 2014-03-07 2016-07-08 Andritz Perfojet Sas Installation de carde et procede de demarrage d'une telle installation
CN204608248U (zh) * 2015-01-29 2015-09-02 张升平 一种凝聚杂乱成网盖板梳棉机
CN105624840B (zh) * 2016-02-14 2018-02-13 陈志伟 一种羊绒纤维的分梳方法及分梳机

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR419688A (fr) * 1910-08-26 1911-01-12 Albert Morel Perfectionnements dans les cardes pour coton

Also Published As

Publication number Publication date
DE102017117761A1 (de) 2019-02-07
WO2019025108A1 (fr) 2019-02-07
EP3662099A1 (fr) 2020-06-10
CN110662859A (zh) 2020-01-07

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