EP0833965A1 - Vlieskrempel, sowie verfahren zur vliesherstellung - Google Patents
Vlieskrempel, sowie verfahren zur vliesherstellungInfo
- Publication number
- EP0833965A1 EP0833965A1 EP96922010A EP96922010A EP0833965A1 EP 0833965 A1 EP0833965 A1 EP 0833965A1 EP 96922010 A EP96922010 A EP 96922010A EP 96922010 A EP96922010 A EP 96922010A EP 0833965 A1 EP0833965 A1 EP 0833965A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pile
- roller
- doffer
- rollers
- master cylinder
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000002657 fibrous material Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 11
- 238000009960 carding Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 4
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 230000006855 networking Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
- D01G15/04—Carding machines with worker and stripper or like rollers operating in association with a main cylinder
-
- 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 nonwoven card for nonwoven manufacture from fiber material, with a master cylinder, with two pile-forming rollers which are in engagement with the master cylinder, at least two sheets being removed from the master cylinder and being duplicated in front of a removal device.
- the invention further relates to a method for producing nonwovens from fiber material by means of a nonwoven card of the aforementioned type according to the preamble of claim 17.
- EP 0 330 750 A2 discloses a random nonwoven card with at least three working drums rotating in the same direction as the master cylinder, in which the first working drum is in engagement with the master cylinder, while the two further working drums are each in engagement with the first working drum .
- the two downstream work drums, which are in engagement with the first work drum, cause a division of the pile formed by the first work drum, the pile be duplicated on downstream conveyor belts.
- Carding machines from Hergeth Hollingsworth are also known (carding machine model H 6.345), in which two whirling rollers are engaged with a master cylinder, each of which produces a tangled fiber web, which is ultimately placed on a conveyor belt. The two tangled fiber webs are duplicated by bringing the two webs together on the conveyor belt.
- the fleece produced in this way consists of two pile layers, which disadvantageously only lie loosely on one another and are not cross-linked.
- the layers are only connected in one or more processing stages following the card.
- the invention is based on the object of providing a nonwoven roll of the last-mentioned type and a process for nonwoven manufacture in which the nonwoven produced is already crosslinked in the card and in which the manufacturing process, in particular in the case of light pile and high production speeds can be better controlled and in which the design effort for the production machine is reduced.
- the invention advantageously provides that at least one of the pile-forming rollers arranged between the master cylinder and the take-off device is a tangled roller with an associated centrifugal depression and with a clothing which creates a tangled position of the fiber pile.
- a fleece card enables several floras to be combined and their simultaneous crosslinking already in the card after the pile-forming rollers and in front of the removal device.
- superimposed fiber webs can be produced, which represent a combination of at least one tangled fiber web and a longitudinally oriented nonwoven. A fibrous web with an intimate cross-linking can thus be produced.
- the formation of tangled fleece takes place in connection with a centrifugal trough and with a clothing with a small breast angle.
- the formation of tangled nonwovens with a centrifugal trough takes place in a centrifugal dynamic manner, the pile first being subjected to an upsetting effect and then being released from the back pressure or upsetting pressure.
- the nonwoven nonwoven formation therefore takes place after the fibers are released from the accumulation effect from the tangled roller onto a subsequent roller.
- the fiber orientation in the fleece is three-dimensional or confused or isotropic.
- the peripheral speed of the master cylinder is over 500 m / min, preferably over 1000 m / min.
- the peripheral speed of the at least one random roller is over 100 m / min to about 2000 m / min, preferably 400 to 1500 m / min.
- Such a fleece card enables production outputs of approx. 400 kg / m / h in the case of light weight fleeces below 30 g / m 2 .
- the invention makes it possible thus to produce lightweight nonwovens with high production speeds.
- a single doffer roller engages with two pile-forming rollers, takes over a fiber pile from each of the two rollers and duplicates the fiber pile. Duplication takes place immediately behind the pile-forming rollers, so that only a single doffer roller is required.
- a single upsetting roller engages with both doffer rollers and takes over a fiber pile from each of the two doffer rollers and duplicates the fiber pile.
- duplication takes place only behind the doffer device, specifically on the first upsetting roller of an upsetting device.
- the required machine elements are reduced, since behind the doffing device only a removal device and a single conveyor belt are required.
- This exemplary embodiment is also particularly suitable for producing light, doubled nonwoven fabrics at high production speeds.
- Another embodiment of the fleece card has a pile-forming roller which is in engagement with the master cylinder and rotates in the same direction with it, and a doffer roller which also rotates as a pile-forming roller and rotates counter to the master cylinder.
- the tangling roller and the doffer roller each take one pile off the master cylinder, the pile-forming tangling roller a counter rotating doffer roller is assigned.
- a single upsetting roller engages with both doffer rollers and takes over a pile of fiber from both doffer rollers, which is duplicated on the upsetting roller.
- a variant of the last-mentioned exemplary embodiment is that the upsetting device has two first upsetting rollers, each of which is in engagement with a doffer roller, the pile of fibers being duplicated on a second upsetting roller which is in engagement with both first upsetting rollers.
- Another advantage of the exemplary embodiments described is that there is more space for pairs of worker users or fixed carding segments on the circumference of the master cylinder.
- the doffer roller consequently takes on the one hand the function of the pile-forming roller and the function of duplicating two differently produced fiber webs.
- the manufacturing process therefore only requires a pile-forming roller, e.g. a tangled roller and a single doffer roller, whereby a further roller can be saved compared to the aforementioned exemplary embodiments.
- a further tangled roller can be in engagement with the master cylinder and the doffer roller at the same time, whereby three fiber webs can be duplicated on the doffer roller.
- FIG. 1 shows a first embodiment of a fleece card according to the invention
- FIG. 2A shows a further exemplary embodiment in which the intimate networking of two wiro-oriented floats takes place via an upsetting process
- FIG. 2B shows a variant of the embodiment of FIG. 2A
- 3 shows a third exemplary embodiment in which the intimate networking of two structurally different floras takes place by networking the individual fibers
- FIG. 4 shows a fourth exemplary embodiment, in which the networking of two structurally different floras takes place via a compression process.
- FIG. 1 shows a first exemplary embodiment of a fleece card with a feed device 22, consisting of a feed trough 19 and a feed roller 21.
- the following licker-in device 27 consists of a roughing roller 23 and a licker-in drum 24.
- the liner 24 is provided with two pairs of workers and turner 20.
- the main drum 1 is provided with five pairs of workers and turner 20.
- two pile-forming tangling rollers 2, 4 are engaged in succession in the direction of rotation with the master cylinder 1 and each take a pile of fiber 3, 5 from the master cylinder 1.
- a single doffer roller 6 takes over both fiber webs 3, 5 from the tangling rollers 2, 4 and doubles them, so that a duplicated fiber web 9 onto the following upsetting device 10, 12 and the removal device 14, 16 arranged behind the upsetting device 10, 12 is transmitted.
- the doubled fiber fleece 17 arrives on the conveyor belt 18 from the removal device 14, 16.
- the combination of two tangling rollers 2, 4 with only a single doffer roller 6 allows the tangling rollers to lie closely together, as a result of which there is space for an additional pair of workers and turner 20 on the circumference of the master cylinder. With an additional pair of workers and turner 20, the carding performance can be increased.
- the tangling rollers 2, 4 are provided with stationary trough plates 30, 32, 36 in the direction of rotation.
- the space between the tangling roller 2, 4 and the trough plates 30, 36 forming a centrifugal trough tapers in the working direction, the trough plate ending at a distance of a predetermined length in front of the connecting line between the centers of the tangling rollers 2, 4 and the doffer roller 6 to form a free web formation zone .
- the teeth of the set of tangled rollers 2, 4 have a chest angle of only a few degrees, preferably about 11 °.
- FIG. 2A shows a second exemplary embodiment, in which a doffer roller 6,8 is provided for each tangling roller 2,4, both doffer rollers 6,8 transferring their fiber pile 3,5 to a common upsetting roller 10 of the upsetting device 10, 12, so that in contrast to the exemplary embodiment described first, the fiber webs 3.5 are not duplicated in the doffer stage, but immediately afterwards.
- Centrifugal troughs forming trough plates 30, 36 are assigned to the tangling rollers 2, 4, the distance of which from the tangling rollers 2, 4 decreases in the direction of the transfer point to the doffer rollers 6, 8. This reduction in the distance between the trough plates 30, 36 leads to a build-up effect in the tapering space between the tangling roller 2, 4 and the trough plate 30, 36. The congestion effect is immediately before delivery of the The pile 3.5 on the doffer roller 6.8 is suddenly lifted, whereby a detachment of part of the fibers from the clothing with subsequent tangled fleece formation on the doffer roller 6.8 is achieved.
- the peripheral speed of the master cylinder 1 is over 500 m / min, preferably over 1000 m / min, while the peripheral speed of the random rollers 2.4 is preferably in the range between 400 and 1500 m / min.
- the pile-forming rolls 2, 4, preferably both tangling rolls, can have a different rotational speed or a different diameter, as a result of which the properties of the fiber pile 3, 5 to be duplicated can be influenced.
- the master cylinder 1 is preferably larger than the pile-forming rollers 2.4.
- the doffer rollers 6, 8 also preferably have a larger diameter than the pile-forming rollers 2, 4.
- 2B is a variant of the second exemplary embodiment, in which the fiber pile 3, 5 is first transferred from the doffer rollers 6, 8 to an upsetting roller 10a, 10b of the upsetting device 10, 12, the fiber pile 3, 5 the common second upsetting roller 12 are duplicated.
- the common second upsetting roller 12 of the upsetting device 10, 12 has a larger diameter than the first upsetting rollers 10a, 10b, preferably also a larger diameter than the diameter of the doffer rollers 6, 8.
- the third exemplary embodiment shown in FIG. 3 shows a fleece card with a feed device 22, a master cylinder 1 with carding segments 28, a pile-forming tangling roller 2 with a trough plate 30 and a doffer roller 6, which is simultaneously engaged with the tangling roller 2 and the master cylinder 1.
- the single doffer roller 6 takes over both a pile of fibers in the tangled position from the tangle roller 2 and fibers from the master cylinder 1, so that again two fiber layers 3, 5 are doubled on a single doffer roller 6, which also serves as a pile-forming roller.
- the doubled fiber web 9 is transferred to a conveyor belt 18 via an upsetting device 10, 12 and a removal device 14, 16.
- the doffer roller 6 can have an essentially same diameter as the master cylinder 1.
- the fleece card according to the third embodiment produces an intimately networked fiber fleece 15, the underside of which, when the doubled fiber pile 9 is removed, as shown in FIG. 3 consists of a longitudinally oriented pile and the top of which consists of a tangled pile.
- the size of the doffer roller 6,8 affects the confusion.
- the random roller 2 and the doffer roller 6 are in terms of their position, i.e. their mutual distances and their distances to the master cylinder l adjustable.
- the fourth exemplary embodiment shown in FIG. 4 shows a fleece card, the basic structure of which up to the main drum 1 corresponds to the exemplary embodiments of FIGS. 1 and 2 corresponds.
- a tangled roller 2 rotating in the same sense as the main drum 1 and, separately from the tangled roller 2, a doffer roller 8 rotating in opposite direction to the main drum 1 is engaged.
- the doffer roller 8 is used as a pile-forming roller.
- the tangling roller 2 is followed by a doffer roller 6, which takes over the fiber web 3 from the tangling roller 2.
- Both doffing rollers 6, 8 transfer their fiber pile 3, 5 to a common upsetting roller 10 of the upsetting device 10, 12.
- the fibrous web 3, 5 is duplicated immediately after the doffer stage.
- This exemplary embodiment also enables the networking of two structurally different floras via an upsetting process.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19521778 | 1995-06-20 | ||
DE19521778A DE19521778A1 (de) | 1995-06-20 | 1995-06-20 | Vlieskrempel, sowie Verfahren zur Vliesherstellung |
PCT/EP1996/002622 WO1997000984A1 (de) | 1995-06-20 | 1996-06-18 | Vlieskrempel, sowie verfahren zur vliesherstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0833965A1 true EP0833965A1 (de) | 1998-04-08 |
EP0833965B1 EP0833965B1 (de) | 2002-09-25 |
Family
ID=7764438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96922010A Expired - Lifetime EP0833965B1 (de) | 1995-06-20 | 1996-06-18 | Vlieskrempel, sowie verfahren zur vliesherstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6073313A (de) |
EP (1) | EP0833965B1 (de) |
DE (2) | DE19521778A1 (de) |
WO (1) | WO1997000984A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018101704U1 (de) | 2017-03-28 | 2018-04-26 | Fives Dms | Faserverarbeitende Krempel zur Herstellung eines Vliesmaterials |
CN110791881A (zh) * | 2019-12-03 | 2020-02-14 | 福建恒安集团有限公司 | 一种去味型一次性卫生用品的制备方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10023011B4 (de) * | 2000-05-11 | 2018-10-11 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung an einer Karde zur Verarbeitung von Fasermaterial, insbesondere Baumwolle, Chemiefasern u. dgl. |
US6796733B2 (en) | 2000-10-31 | 2004-09-28 | International Imaging Materials Inc. | Thermal transfer ribbon with frosting ink layer |
FR2830263B1 (fr) * | 2001-10-03 | 2004-08-06 | Thibeau | Procede et installation pour la production d'un non-tisse condense, et dispositif de condensation d'un non-tisse |
DE10314009A1 (de) * | 2003-03-28 | 2004-10-14 | Spinnbau Gmbh | Vlieskrempel für die Vliesherstellung aus Fasermaterial |
DE50308225D1 (de) * | 2003-07-29 | 2007-10-31 | Spinnbau Gmbh | Vlieskrempel und Verfahren zur Herstellung eines Faservlieses |
DE102006005391A1 (de) | 2006-02-03 | 2007-08-09 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Karde, Krempel o. dgl., zur Reinigung von Fasermaterial z. B. aus Baumwolle, mit einer schnelllaufenden oder Hauptwalze |
DE102006005390B4 (de) * | 2006-02-03 | 2021-08-12 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung an einer Karde, Krempel o. dgl., zur Reinigung von Fasermaterial z. B. aus Baumwolle, die eine schnelllaufende erste oder Hauptwalze umfasst |
DE102006005389A1 (de) | 2006-02-03 | 2007-08-09 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Karde, Krempel o. dgl., zur Reinigung von Fasermaterial z. B. aus Baumwolle, die eine schnelllaufende erste oder Hauptwalze aufweist |
DE102009012607A1 (de) * | 2009-03-11 | 2010-09-16 | Fleissner Gmbh | Vorrichtung zum Bearbeiten eines Flors |
CN102704048A (zh) * | 2012-01-17 | 2012-10-03 | 张家港市中孚达纺织科技有限公司 | 一种用于短纤维绒制条的精纺梳毛机中的梳理装置 |
DE102017112927B3 (de) * | 2017-03-31 | 2018-08-16 | Trützschler GmbH & Co Kommanditgesellschaft | Krempel |
AU2019313543A1 (en) | 2018-07-30 | 2021-03-18 | Mativ Luxembourg | Apparatus and method for making fibrous webs having isotropic structure |
CN113508198A (zh) * | 2019-01-08 | 2021-10-15 | 安德里兹波杰特有限公司 | 生产无纺布的设备和方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US656403A (en) * | 1895-03-30 | 1900-08-21 | Ernst Gessner | Apparatus for carding wool. |
US1683812A (en) * | 1926-09-11 | 1928-09-11 | Caro Cloth Corp | Method of and apparatus for manufacturing textile fleece |
US2987779A (en) * | 1957-02-05 | 1961-06-13 | Kawashima Kanichi | Doffing process and apparatus for the card by action of air |
US3867741A (en) * | 1973-04-13 | 1975-02-25 | Veniamin Dmitrievich Frolov | Method of aerodynamic formation for a fibrous layer from fibers treated on a carding machine and apparatus for performing this method |
DE2758336C2 (de) * | 1977-12-27 | 1987-02-05 | Rieter Deutschland Gmbh, 7410 Reutlingen | Florabnahmevorrichtung am Abnehmer einer Karde |
DE3643304C1 (en) * | 1985-09-07 | 1988-03-31 | Spinnbau Gmbh | Card for the production of nonwoven from fibre material |
IT1241899B (it) * | 1990-11-06 | 1994-02-01 | Ma Jersey S P A Fa | Apparecchio per la formazione di un velo a molti strati di fibre randomizzate, e velo ottenuto con detto apparecchio |
IT1248587B (it) * | 1991-06-28 | 1995-01-19 | Nicola Napolitano | Macchina cardatrice a tamburi,in particolare per la preparazione di tessuti non tessuti e nastri in fibre naturali od artificiali. |
DE4344226A1 (de) * | 1993-12-23 | 1995-06-29 | Hollingsworth Gmbh | Vlieskrempel, sowie Verfahren zur Vliesherstellung |
-
1995
- 1995-06-20 DE DE19521778A patent/DE19521778A1/de not_active Withdrawn
-
1996
- 1996-06-18 EP EP96922010A patent/EP0833965B1/de not_active Expired - Lifetime
- 1996-06-18 US US08/973,985 patent/US6073313A/en not_active Expired - Fee Related
- 1996-06-18 WO PCT/EP1996/002622 patent/WO1997000984A1/de active IP Right Grant
- 1996-06-18 DE DE59609729T patent/DE59609729D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9700984A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018101704U1 (de) | 2017-03-28 | 2018-04-26 | Fives Dms | Faserverarbeitende Krempel zur Herstellung eines Vliesmaterials |
WO2018178549A1 (fr) | 2017-03-28 | 2018-10-04 | Fives Dms | Machines à carder des fibres pour la fabrication d'un matériau non-tissé, utilisation de telles machines et procédés de fabrication d'un matériau non-tissé |
CN110791881A (zh) * | 2019-12-03 | 2020-02-14 | 福建恒安集团有限公司 | 一种去味型一次性卫生用品的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0833965B1 (de) | 2002-09-25 |
US6073313A (en) | 2000-06-13 |
DE59609729D1 (de) | 2002-10-31 |
WO1997000984A1 (de) | 1997-01-09 |
DE19521778A1 (de) | 1997-01-02 |
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