EP1277859B1 - Faserband-Auflöseeinrichtung für eine Offenend-Spinnvorrichtung - Google Patents
Faserband-Auflöseeinrichtung für eine Offenend-Spinnvorrichtung Download PDFInfo
- Publication number
- EP1277859B1 EP1277859B1 EP02012279A EP02012279A EP1277859B1 EP 1277859 B1 EP1277859 B1 EP 1277859B1 EP 02012279 A EP02012279 A EP 02012279A EP 02012279 A EP02012279 A EP 02012279A EP 1277859 B1 EP1277859 B1 EP 1277859B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spreading
- open
- spinning machine
- sliver
- end spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
Definitions
- the invention relates to an open-end spinning device according to the preamble of claim 1.
- DE 40 40 102 A1 shows a device for spinning a Thread in which the sliver end by an additional Air flow is moved into the clothing, so that a effective resolution should still be possible, even if the speed of the opening roller compared to at Rotor spinning devices usual speed of opening rollers is significantly reduced. Because the sliver end in the Set is pressed in, the combing is intensified, essentially through the side edges of the teeth or Needles is effected. It is sought in this way, too at slower combing speeds sufficient To create friction entrainment, through which the fibers safely the sliver end or tuft are pulled out. It has However, it turned out that by sucking the Single fibers this with the peripheral speed of Opening roller to be transported, so that the individual fibers despite reduced peripheral speed of the opening roller overall the same speed as at conventional opening rollers and thus undesirably fast are.
- the generic DE 196 10 960 A1 describes a Open-end spinning process, in which the individual fibers on their Away from the sliver to the thread can not be slowed down should.
- the individual fibers should immediately after their Extract from the sliver of a well-defined be subjected to mechanically controlled speed.
- the feeder has a very wide feed roller and an equally wide opening roller. This can be the number Increase the intervention of release elements in the tuft.
- the invention is based on the object, the fiber template for to improve the opening device.
- the dissolving device is arranged upstream in the fiber flow, can be For example, a sliver over the entire working width of Distribute and even equalize the opening roller by placing one Spreading is subjected. It can be a relative achieve thin fiber material template.
- the band spreading device needed in relation to multi-stage drafting equipment advantageously little space.
- the band spreading device is a compact device for effective spreading of the Sliver in the transverse direction in a small space before. It can be one produced thin fiber material template for the opening roller Be that over the entire working width of the opening roller enough. This is a perfect dissolution process low Aufl HarborwalzenFWress and with respect to the Rotor spinning usual opening roller widened opening roller achievable, characterized by high dosing accuracy and high Garn Anlagencht distinguished.
- the distance between each interacting expansion rollers periodically changed.
- the tensile stress on the fiber material template acts, periodically change and so the spreading process intensify, accelerate and even out.
- a frequency of periodic change that is much higher is as the rotational frequency of the expansion rollers, the frequency preferably to a value between 8 Hz and 25 Hz is set, leads to a high degree of uniformity of Spreading of the fiber material template.
- the depressions can be formed as trapezoidal grooves be.
- Such a mold can be easily manufactured and they forms deflection edges for between each zigzagging interacting expansion rollers Sliver. Between the Umlenkkanten the sliver with an applied tensile stress applied, and under the Influence of this tension is effectively spread.
- the recesses and lands are designed so that the webs of the expansion rollers in the axial direction approximately one Form sinusoidal form. In this way, a gentler Spreading.
- the Spreading rollers formed by discs, each on one Shaft are attached, and their peripheral surfaces, the webs form. This design can be easily and inexpensively produce.
- One of the band spreading device upstream deflection device is at a distance like this for a pot deducted sliver arranged that the sliver when Pulling out of the pot between jug and diverter more than the length of a coil rotation is hanging vertically.
- This arrangement allows that through the Coiler rotation introduced into the sliver false twist can turn out.
- Such false rotations consist of so-called S and from so-called Z-twists, the can happen at random when placing the tape.
- a Sliver 1 withdrawn from the pot 2, runs over the Deflection pulley 3 a deflection device 4 and is replaced by a Guide 5 a band spreading device 6 supplied.
- the Sliver 1 passes through three of the expansion rollers 7, 8, 9, 10, 11, 12 roller pairs formed and is in a spread state presented as a thin nonwoven fabric 13 of the dissolver 14.
- the feed trough 15 presses the spread sliver 1 against the Feed roller 16 and forms with the feed roller 16 a Clamping point, the end of the sliver 1, the so-called Tuft, withholds.
- the opening roller 17 combs the tuft and dissolves the sliver up to the single fiber. there rotates the opening roller 17 in the direction of arrow 18.
- Die Fibers are taken over by an evacuated take-off roll 19 and merged into a narrow fiber ribbon.
- the Direction of rotation of the take-off roller 19 is indicated by the arrow 20 indicated.
- the take-off roller 19 and the pinch roller 21 form a nip line that is traversed by the fiber ribbon.
- the air spinning device 22 generates an air vortex, the Thread formation is used.
- Such air spinning devices are For example, from DE 196 10 960 known.
- the thread 23 a trigger 24 passes and becomes one Simplification reasons, not shown winding unit promoted.
- the band spreading device 6 of Figure 2 is opposite to Figure 1 enlarged and shown in more detail.
- the Sliver 1 is after deflecting in the guide 5 in the first roller pair formed from the spreading rollers 7, 8 retracted and spread there. By spreading this becomes Sliver 1 thinner.
- the sliver 1 passes through the spreader rollers 9 and 10 of the second Sp Dahlwalzencrues and finally, the spreading rollers 11 and 12 of the third Spreading roller pair and is as thin, over the entire Working width spread sliver 1 of the feed roller 16 fed, which forms a nip with the feed trough 15.
- the high-speed opening roller 17 combs the fibers from the as fiber tuft 25 designated end of the sliver 1 and dissolves the fiber sliver 1 up to the individual fiber.
- the lower expansion rollers 8, 10, 12 are rotatably with the Gear wheels 26, 27, 28 connected.
- the intermediate wheels 29, 30 provide a drive connection between the gears 26, 27, 28 of the lower expansion rollers 8, 10, 12 ago.
- the Idler 30 is rotatably with the pulley 31st connected by means of the drive belt 32 via the Pulley 33 is driven.
- the pulley 33 is in turn rotatably connected to the feed roller 16.
- the Pulley 33 is by means of the drive belt 34 from the motor 35th driven.
- the translation between the feed roller 16 and the lower expansion rollers 8, 10, 12 is chosen so that the Peripheral speed of the feed roller 16 and the Spreading rollers 8, 10, 12 is the same.
- the axis 36 of the upper spreading roller 9 is on an arm of the Angle lever 37 attached.
- the angle lever 37 is around in the With respect to the housing 40 stationary axle 38 pivotally and has a bolt 39 attached to the other arm.
- Of the Bolt 39 engages in the slot 41 of the coupling rod 42 a.
- the upper expansion rollers 7 and 11 to the Angle levers 43 and 44 pivotally mounted.
- the bolts 45, 46 of the angle lever 43, 44 also engage in each case Slot of the coupling rods 47, 48 a.
- the coupling rod 42 is pivotally connected at its end to the Bolt 45, the coupling rod 48 in the same way on the Pin 39 attached, so that the three angle lever 37, 43, 44th hinged together and pivotable together are.
- the angle lever 37, 43, 44 By pivoting the angle lever 37, 43, 44 against clockwise, the upper expansion rollers 7, 9, 11 of the lower spreading rollers 8, 10, 12 are lifted to For example, to insert new slivers.
- FIG. 3 shows a section through the second spreading roller pair the shown in Figure 2 Bandsp Dr Laborator 6. Die Grooves and webs of the two expansion rollers 9, 10 engage into each other and form a zigzag running Gap.
- the distance between the spreading rollers 9, 10 is so Measure that a sliver 1 of 7 ktex in the interspace can be retracted without the upper spreading roller. 9 to raise.
- the shaft 58 of the lower expansion roller 10 is on Housing 40 is mounted and is driven by the gear 27.
- the expansion roller 10 has laterally ribs 59, 60, on which the upper spreading roller 9 rests with its edges 61, 62.
- the Upper spreading roller 9 is rotatably mounted on the axis 63.
- the Axis 63 is fixedly connected to the angle lever 37. To the Bolt 39, the upper lever arm of the angle lever 37 is attached, the tension spring 53 attacks.
- the working width the roller pairs is the working width of the feed roller 16 customized.
- the sliver 1 is in the illustration of FIG. 3 already largely over the width of the spreading rollers 9, 10th spread. After spreading through the third Sp Schwarzwalzenclam the sliver 1 of the feed roller 16 via the entire working width spread presented.
- Figure 4 shows the gap between the expansion rollers 9 and 10 in an enlarged view.
- the webs 64 of the lower Spreading roller 10 engage in the grooves 65 of the upper Spreading roller 9 and the webs 66 of the upper spreading roller 9 in the grooves 67 of the lower expansion roller 10.
- the sliver 1 runs zigzag in the space between the two Spreading rollers 9, 10 and is when entering the pair of rollers in each case in the region between the webs 64 and the webs 66 subjected to tensile stress and thereby spread.
- FIG. 6 shows an alternative embodiment of the invention The subject matter.
- the sliver 71 is replaced by a Spreading pair led, in which both the upper Spreading roller 72 as well as the lower spreading roller 73 discs 74, 75, which are each mounted on a shaft 76, 77 are, and form their peripheral surfaces webs 99, 100. Between The disks 74, 75 recesses 97, 98 are formed. These Execution of the expansion rollers 72, 73 can be easily and produce economically.
- FIG. 7 shows the side view of a band spreading device 78 with up and down moving upper expansion rollers 79, 81 and stationary lower spreading rollers 80, 82.
- the opening device with the feed roller 16 is in connection with Figure 2 on described above.
- the sliver 1 passes a guide 5 and a guide roller 83, before it from the top Spreading roller 79 and the lower spreading roller 80 formed first pair of spreading rollers is supplied. Before the Feed roller 16 is presented, it goes through a second the upper spreader roller 81 and the lower spreader roller 82nd formed Sp Janwalzencru.
- the amount of stationary stored lower expansion rollers 80, 82 is chosen so that the Sliver 1 can run above the expansion rollers 80, 82, if it is between the guide roller 83 and the feed roller 16 pulled tight.
- the axes 84, 85 of the expansion rollers 79, 81 are on Angle lever 86 attached; the lower expansion rollers 80, 82 are fixedly mounted on the housing 87.
- the storage corresponds to the shown in Figure 2 storage of the expansion rollers 8, 10, 12.
- Die Angle lever 86 and the dashed lines shown Swivel lever 88 are rotatably connected to the shaft 89 and pivotable about the axis of rotation of the shaft 89 together.
- One End of the pivoting lever 88 is connected by means of the connecting rod 90. and movable.
- the other end of the connecting rod 90 attacks the crank disk 91 at.
- the crank pulley 91 is from Motor 92 driven.
- the rotational speed of the crank disk 91 is between 500 revolutions per minute and 1,500 revolutions per minute Minute.
- the crank drive is thus as a buffer element designed that when shrinking tape thickening or Band distortions no blocking occurs.
- the lower expansion rollers 80, 82 are by means of Drive belt 93 via the intermediate gear 94 and the gears 95, 96 rotated.
- the drive belt 93 drives the Deflection roller 83 on.
- the gear ratios are like this chosen that both the guide roller 83 as well as the Spreading rollers 79, 80, 81, 82 and the feed roller 16 the have the same peripheral speed.
- the sliver 1 dissolves with each upward movement of the upper spreading rollers 79, 81 in each Sp Strezenzip the grooves.
- the new point of contact between fiber material and the webs is in the downward movement of Spreading rollers 79, 81 usually shifted slightly laterally.
- the Sliver 1 is thus not only more effective, but also more evenly spread.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Nonwoven Fabrics (AREA)
Description
- Fig. 1
- eine Prinzipdarstellung einer Spinnstelle mit einer Bandspreizvorrichtung,
- Fig. 2
- die Bandspreizeinrichtung der Figur 1 in Seitenansicht in vereinfachter Darstellung,
- Fig. 3
- einen Schnitt A-A durch ein Spreizwalzenpaar der in Figur 2 dargestellten Bandspreizvorrichtung,
- Fig. 4
- das Ineinandergreifen zusammenwirkender Spreizwalzen in einem vergrößerten Ausschnitt der Figur 3,
- Fig. 5
- einen Schnitt durch ein teilweise dargestelltes Spreizwalzenpaar mit sinusförmigem Profil,
- Fig. 6
- einen Schnitt durch ein Spreizwalzenpaar, dessen Spreizwalzen Scheiben aufweisen,
- Fig. 7
- eine Bandspreizvorrichtung mit jeweils zusammenwirkenden Spreizwalzen, deren Abstand zueinander periodisch veränderbar ist.
Claims (10)
- Offenend-Spinnvorrichtung mit einer Auflöseeinrichtung zum Auflösen von kontinuierlich zugeführtem Fasermaterial, wobei die Auflöseeinrichtung eine Zuführeinrichtung für eine schnellaufende Auflösewalze umfaßt,
dadurch gekennzeichnet, daß der Auflöseeinrichtung (14) eine Bandspreizvorrichtung (6, 78) mit mindestens einem zusammenwirkenden Spreizwalzenpaar im Fluß des Fasermaterials vorgeordnet ist, wobei die Spreizwalzen (7, 8, 9, 10, 11, 12, 69, 70, 72, 73, 79, 80, 81, 82) jeweils auf dem Umfang umlaufende zueinander parallele Vertiefungen (65, 67, 97, 98) aufweisen, die so ausgebildet sind, daß die zwischen den Vertiefungen (65, 67, 97, 98) gebildeten Stege (64, 66, 99, 100) jeweils in die Vertiefungen (65, 67, 97, 98) der gegenüberliegenden Spreizwalze eingreifen, wodurch das zwischen den jeweils zusammenwirkenden Spreizwalzen (7, 8; 9, 10; 11, 12; 69, 70; 72, 73; 79, 80; 81, 82) hindurchgeführte Fasermaterial in Achsrichtung der Spreizwalzen (7, 8, 9, 10, 11, 12, 69, 70, 72, 73, 79, 80, 81, 82) zusammenhängend über mehrere Vertiefungen (65, 67, 97, 98) ausgebreitet wird. - Offenend-Spinnvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Abstand zwischen den jeweils zusammenwirkenden Spreizwalzen (79, 80, 81, 82) periodisch veränderbar ist.
- Offenend-Spinnvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß zwei aufeinanderfolgende Spreizwalzenpaare so miteinander gekoppelt sind, daß sich deren Spreizwalzenabstände gegensinnig so ändern, daß sich jeweils bei einem Spreizwalzenpaar der Abstand zwischen den zusammenwirkenden Spreizwalzen (79, 80; 81, 82) verringert, während sich bei dem anderen Spreizwalzenpaar der Abstand vergrößert.
- Offenend-Spinnvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die beiden Spreizwalzenpaare mechanisch gekoppelt sind und ein gemeinsamer Antrieb zur Erzeugung der periodischen Änderung des Walzenabstandes vorhanden ist.
- Offenend-Spinnvorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Frequenz der periodischen Änderung wesentlich höher ist als die Drehfrequenz der Spreizwalzen (79, 80, 81, 82).
- Offenend-Spinnvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Frequenz der periodischen Änderung auf einen Wert zwischen 8 Hz und 25 Hz eingestellt ist.
- Offenend-Spinnvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Vertiefungen als trapezförmige Nuten (65, 67) ausgebildet sind.
- Offenend-Spinnvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Vertiefungen und Stege so ausgeführt sind, daß die Stege der Spreizwalzen (69, 70) in Achsrichtung annähernd eine Sinusform bilden.
- Offenend-Spinnvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Spreizwalzen (72, 73) zueinander parallele Scheiben (74, 75) umfassen, die jeweils auf einer Welle (76, 77) befestigt sind und die Stege (99, 100) bilden.
- Offenend-Spinnvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Bandspreizvorrichtung (6, 78) jeweils eine vorgelagerte Umlenkeinrichtung (4) für das aus einer Kanne (2) abgezogene Faserband (1, 68, 71) in einem solchen Abstand von der Kanne (2) zugeordnet ist, daß das Faserband (1, 68, 71) beim Abziehen aus der Kanne (2) mehr als die Bandlänge einer Coilerdrehung senkrecht hängt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10135548A DE10135548A1 (de) | 2001-07-20 | 2001-07-20 | Offenend-Spinnvorrichtung |
DE10135548 | 2001-07-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1277859A2 EP1277859A2 (de) | 2003-01-22 |
EP1277859A3 EP1277859A3 (de) | 2003-05-28 |
EP1277859B1 true EP1277859B1 (de) | 2005-09-14 |
Family
ID=7692607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012279A Expired - Lifetime EP1277859B1 (de) | 2001-07-20 | 2002-06-05 | Faserband-Auflöseeinrichtung für eine Offenend-Spinnvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6796116B2 (de) |
EP (1) | EP1277859B1 (de) |
CN (1) | CN1399020A (de) |
CZ (1) | CZ20022296A3 (de) |
DE (2) | DE10135548A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005009731A1 (de) * | 2005-03-03 | 2006-09-07 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Flyerloses Spinnverfahren sowie Vorrichtung mit einem Streckwerk |
DE102009026737B4 (de) | 2008-09-16 | 2012-10-31 | Technische Universität Dresden | Vorrichtung und Verfahren zum Ausbreiten von bandförmigen Filamentgarnen |
CH709566A1 (de) * | 2014-04-28 | 2015-10-30 | Rieter Ag Maschf | Abzugsanordnung für eine Spinnmaschine. |
CZ306287B6 (cs) * | 2015-04-07 | 2016-11-16 | Rieter Cz S.R.O. | Způsob ukončení předení na pracovním místě rotorového dopřádacího stroje |
CN106868658A (zh) * | 2017-03-22 | 2017-06-20 | 响水县晨丰纺织有限公司 | 一种摩擦纺纱机送纱机构 |
CN113969442B (zh) * | 2021-10-29 | 2022-07-22 | 东台市兴源色织有限公司 | 一种棉布生产加工用转杯纺纱机 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3107477A (en) * | 1949-11-23 | 1963-10-22 | Meimberg Julius | Process and apparatus for spinning fibrous materials |
US3107447A (en) * | 1961-03-22 | 1963-10-22 | Anthony G Tucci | Seam-presser |
GB1332856A (en) * | 1970-05-14 | 1973-10-10 | Chubu Seiko Kk | Rotary drafting apparatus |
DE2506058C3 (de) * | 1975-02-13 | 1978-06-01 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt | Faserbandauflösevorrichtung für eine Offen-End-Spinnvorrichtung |
US4369622A (en) * | 1980-03-24 | 1983-01-25 | Riegel Textile Corporation | Method and apparatus for drawing and blending textile materials |
DE3219332A1 (de) * | 1982-05-22 | 1983-11-24 | F.A. Kümpers KG, 4440 Rheine | Lieferwalzen, die faserbaender kompakt erfassen und weiterfuehren |
DE3245517C2 (de) * | 1982-12-09 | 1985-11-14 | Spinnbau GmbH, 2820 Bremen | Vorrichtung zum Verziehen von querorientiert einlaufenden Faservliesen |
DE3448514C2 (de) | 1984-01-21 | 1995-08-31 | Brockmanns Karl Josef Dr Ing | Faservorlageverstreckvorrichtung |
DE3402083C2 (de) * | 1984-01-21 | 1995-03-23 | Brockmanns Karl Josef Dr Ing | Verfahren und Vorrichtung zur Spinnfasernformation |
CS264430B1 (en) * | 1987-06-15 | 1989-08-14 | Safar Vaclav | Device for fibres opening for spinning unit of spinning machine |
US4979270A (en) * | 1989-08-03 | 1990-12-25 | Burlington Industries, Inc. | Apparatus and methods for converting tow into staple |
DE4040102A1 (de) * | 1990-12-16 | 1992-06-17 | Fritz Stahlecker | Vorrichtung zum erspinnen eines fadens |
US5699659A (en) * | 1996-03-08 | 1997-12-23 | Waverly Mills, Inc. | Process for producing substantially all-polyester yarns from fine denier feed fibers on an open end spinning machine |
DE19610960A1 (de) * | 1996-03-20 | 1997-09-25 | Fritz Stahlecker | Verfahren zum Offenend-Spinnen |
US6265045B1 (en) * | 1998-07-29 | 2001-07-24 | Clopay Plastic Products Company, Inc. | Method and apparatus for pin-hole prevention in zone laminates |
US6368444B1 (en) * | 1998-11-17 | 2002-04-09 | Kimberly-Clark Worldwide, Inc. | Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom |
-
2001
- 2001-07-20 DE DE10135548A patent/DE10135548A1/de not_active Withdrawn
-
2002
- 2002-06-05 DE DE50204230T patent/DE50204230D1/de not_active Expired - Fee Related
- 2002-06-05 EP EP02012279A patent/EP1277859B1/de not_active Expired - Lifetime
- 2002-06-28 CZ CZ20022296A patent/CZ20022296A3/cs unknown
- 2002-07-19 US US10/199,824 patent/US6796116B2/en not_active Expired - Fee Related
- 2002-07-22 CN CN02126462A patent/CN1399020A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1277859A3 (de) | 2003-05-28 |
CZ20022296A3 (cs) | 2003-03-12 |
CN1399020A (zh) | 2003-02-26 |
EP1277859A2 (de) | 2003-01-22 |
US20030014957A1 (en) | 2003-01-23 |
US6796116B2 (en) | 2004-09-28 |
DE10135548A1 (de) | 2003-01-30 |
DE50204230D1 (de) | 2005-10-20 |
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