EP1277859A2 - Dispositif pour défibrer une mèche pour un métier à filer à bout libre - Google Patents

Dispositif pour défibrer une mèche pour un métier à filer à bout libre Download PDF

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Publication number
EP1277859A2
EP1277859A2 EP02012279A EP02012279A EP1277859A2 EP 1277859 A2 EP1277859 A2 EP 1277859A2 EP 02012279 A EP02012279 A EP 02012279A EP 02012279 A EP02012279 A EP 02012279A EP 1277859 A2 EP1277859 A2 EP 1277859A2
Authority
EP
European Patent Office
Prior art keywords
spreading
rollers
roller
open
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.)
Granted
Application number
EP02012279A
Other languages
German (de)
English (en)
Other versions
EP1277859B1 (fr
EP1277859A3 (fr
Inventor
Hans Raasch
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
W Schlafhorst AG and Co
Saurer 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
Application filed by W Schlafhorst AG and Co, Saurer GmbH and Co KG filed Critical W Schlafhorst AG and Co
Publication of EP1277859A2 publication Critical patent/EP1277859A2/fr
Publication of EP1277859A3 publication Critical patent/EP1277859A3/fr
Application granted granted Critical
Publication of EP1277859B1 publication Critical patent/EP1277859B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 set, so that a effective resolution should still be possible if the speed of the opening roller compared to Rotor spinning devices usual speed of opening rollers is significantly reduced. Because the sliver end in the Is pushed in, combing is intensified, essentially through the side flanks of the teeth or Is caused. It is aimed in this way, too sufficient at slower combing speeds Generating friction, through which the fibers are made safe the sliver end or fiber beard are pulled out. It has it turned out, however, that by sucking the Individual fibers with the peripheral speed of the Opening roller are transported so that the individual fibers despite the reduced peripheral speed of the opening roller overall have 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 Can no longer be slowed down from the sliver to the thread should.
  • the individual fibers should immediately after their Detach from the sliver of a precisely defined one mechanically controlled speed.
  • the feed device has a very wide feed roller and an equally wide opening roller. So that the number the interventions of dissolving elements in the fiber beard increase.
  • the invention has for its object the fiber template for to improve the resolver.
  • the spreading device required in relation to multi-stage drafting devices advantageously little space.
  • a Generate fiber material template with a more precise dosage and increased uniformity of the amount of fiber fed can be achieved.
  • the dissolving process itself will improved. Too high distortions in the direction of fiber flow and the result associated disadvantages can be avoided.
  • the spreading device there is a compact device for effective spreading of the Sliver in the transverse direction in a narrow space. It can be one thin fiber material template for the opening roller generated be that over the entire working width of the opening roller enough. This means that the resolution process is flawless low opening roller speed as well as compared to that of Rotor spinning usual opening roller widened opening roller achievable, which is characterized by high dosing accuracy and high Characterized yarn uniformity.
  • the distance between each interacting spreading rollers can be changed periodically.
  • the tensile stress on the fiber material template acts change periodically and so the spreading process intensify, accelerate and equalize.
  • a sliver can be 2 to 3 times, for example Width of the original width can be spread.
  • a frequency of periodic change that is much higher is called the rotational frequency of the spreading rollers, the frequency preferably to a value between 8 Hz and 25 Hz is set leads to a high uniformity of the Spreading the fiber material template.
  • the depressions can be designed as trapezoidal grooves his. Such a shape is easy to manufacture and it forms deflection edges for the between each interacting spreading rollers guided zigzag Sliver. The sliver is with between the deflection edges a tensile stress builds up, and under the Influence of this tension is effectively spread.
  • the depressions and webs are designed so that the webs of the spreading rollers approximately one in the axial direction Form sinusoid. In this way, it is more gentle Spreading.
  • the Spreading rollers formed by discs, each on a Shaft are attached, and the peripheral surfaces of the webs form.
  • This version is simple and inexpensive produce.
  • the limitation to a maximum of two slivers means that the fiber material template predominantly by cross expansion and not mainly due to longitudinal distortion to a thin non-woven fabric has been pulled apart when the opening roller is presented. This allows the uniformity of the Improve the fiber material template.
  • a deflection device upstream of the belt spreading device is at such a distance for that from a jug stripped sliver arranged that the sliver at Pull out of the jug between the jug and the deflection device more than the length of the tape of a coil rotation hangs vertically.
  • This arrangement enables the Coiler rotation incorrect rotation introduced into the sliver can turn out.
  • Such false rotations consist of so-called S and from so-called Z twists, the can happen accidentally when you take off the tape. With the Belt spreading device associated deflection device can safely avoided that the wrong turns in the Break in pairs of spreading rollers and hinder the spreading process.
  • a Sliver 1 pulled from the can 2 runs over the Deflection roller 3 of a deflection device 4 and is by a Guide 5 fed to a spreading device 6.
  • the distance between the axis of the guide roller 3 and the can 2 a little more than the length of a coil turn.
  • the Sliver 1 passes through three of the spreading rollers 7, 8, 9, 10, 11, 12 formed pairs of rollers and is in a spread state presented as a thin nonwoven fabric 13 of the opening device 14.
  • the feed trough 15 presses the spread sliver 1 against the Feed roller 16 and forms a with the feed roller 16 Nip that the end of the sliver 1, the so-called Beard, holds back.
  • the opening roller 17 combs the fiber beard and dissolves the sliver down to the individual fiber. there rotates the opening roller 17 in the direction of arrow 18.
  • Die Fibers are taken over by a vacuumed take-off roller 19 and brought together into a narrow 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 clamping line that is traversed by the ribbon.
  • the air spinning device 22 generates an air vortex which is used for Thread formation serves.
  • Such air spinning devices are known for example from DE 196 10 960.
  • the thread 23 passes a fume cupboard 24 and becomes one For reasons of simplification, winding unit not shown promoted.
  • the band spreading device 6 of Figure 2 is opposite the Figure 1 enlarged and shown in more detail.
  • the Sliver 1 is in the guide 5 after the deflection first pair of rollers formed from the spreading rollers 7, 8 moved in and spread there. Spreading it will Sliver 1 thinner.
  • the sliver 1 then runs through the spreading rollers 9 and 10 of the second pair of spreading rollers and finally the spreading rollers 11 and 12 of the third Spreading roller pair and is as thin, over the entire Working width of spread sliver 1 of the feed roller 16 supplied, which forms a clamping line with the feed trough 15.
  • the high-speed opening roller 17 combs the fibers from the designated as fiber beard 25 end of the sliver 1 and dissolves the sliver 1 up to the individual fiber.
  • the lower spreading rollers 8, 10, 12 are non-rotatable with the Gears 26, 27, 28 connected.
  • the intermediate wheels 29, 30 provide a drive connection between the gears 26, 27, 28 of the lower spreading rollers 8, 10, 12 ago.
  • the Intermediate wheel 30 is rotationally fixed to pulley 31 connected by means of the drive belt 32 over the Pulley 33 is driven.
  • the pulley 33 is in turn, non-rotatably connected to the feed roller 16.
  • the Pulley 33 is driven by motor 35 by means of drive belt 34 driven.
  • the translation between the feed roller 16 and the lower spreading rollers 8, 10, 12 is chosen so that the Peripheral speed of the feed roller 16 and 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 in the With respect to the housing 40 fixed axis 38 and has a bolt 39 attached to the other arm.
  • the Bolt 39 engages in the elongated hole 41 of the coupling rod 42.
  • the upper spreading rollers 7 and 11 on the Angle levers 43 and 44 are pivotally mounted.
  • the bolts 45, 46 of the angle levers 43, 44 also engage in each Elongated hole of the coupling rods 47, 48 a.
  • the coupling rod 42 is pivotable with its end on the Bolt 45, the coupling rod 48 in the same way on the Bolt 39 attached so that the three angle levers 37, 43, 44th articulated and pivotable together are.
  • pivoting the angle lever 37, 43, 44 against the upper spreading rollers 7, 9, 11 from the lower spreading rollers 8, 10, 12 are lifted off for example, to be able to insert new slivers.
  • the lever knob 57 detects the locking lever 55 upwards pivoted, whereby the nose 56 disengages from the housing 40 and the fixation of the coupling rods 42, 47, 48 is released.
  • the lever button 57 in the Representation of Figure 2 By subsequently moving the lever button 57 in the Representation of Figure 2 to the left, the angle lever 37, 43, 44 pivoted counterclockwise and the top Spreading rollers 7, 9, 11 raised.
  • the upper spreading rollers 7, 9, 11 dodge upwards.
  • the deflection takes place against the Tensile force caused by the respective tension spring 52, 53, 54 is applied as part of the game by the Dimensions of the elongated holes of the coupling rods 42, 47, 48 is limited.
  • Figure 3 shows a section through the second pair of spreading rollers the band spreading device 6 shown in FIG Grip grooves and webs of the two spreading rollers 9, 10 into each other and form a zigzag Gap.
  • the distance between the spreading rollers 9, 10 is so dimensioned that a sliver 1 of 7 ktex in the space can be drawn in without the upper spreading roller 9 to raise.
  • the shaft 58 of the lower spreading roller 10 is on Housing 40 mounted and is driven via the gear 27.
  • the spreading roller 10 laterally has rims 59, 60 on which the upper spreading roller 9 rests with its rims 61, 62.
  • the upper spreading roller 9 is rotatably mounted on the axis 63.
  • the Axis 63 is fixed to the angle lever 37.
  • the working width of the roller pairs is the working width of the feed roller 16 customized.
  • the sliver 1 is shown in FIG. 3 already largely over the width of the spreading rollers 9, 10 spread. After the spread by the third Spreading roller pair can the sliver 1 of the feed roller 16 over spread the entire working width.
  • Figure 4 shows the space between the spreading 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 spreading roller 10.
  • the sliver 1 runs zigzag in the space between the two Spreading rollers 9, 10 and when entering the pair of rollers each in the area between the webs 64 and the webs 66 subjected to a tensile stress and thereby spread.
  • the Spreading process of the sliver 68 can be carried out more gently.
  • FIG. 6 shows an alternative embodiment of the The subject matter.
  • the sliver 71 is replaced by a Spreading roller pair performed, in which both the upper Spreading roller 72 as well as the lower spreading roller 73 disks 74, 75, each fastened to a shaft 76, 77 are, and their peripheral surfaces form webs 99, 100. Between the disks 74, 75 recesses 97, 98 are formed.
  • This Execution of the spreading rollers 72, 73 is simple and manufacture inexpensively.
  • FIG. 7 shows the side view of a belt spreading device 78 with up and down moving upper spreading rollers 79, 81 and stationary lower spreading rollers 80, 82.
  • the opening device with the feed roller 16 is further in connection with Figure 2 described above.
  • the sliver 1 passes a guide 5 and a deflecting roller 83 before it comes out of the upper Spreading roller 79 and the lower spreading roller 80 formed first spreading roller pair is supplied. Before it was the Feed roller 16 is submitted, it passes through a second the upper spreading roller 81 and the lower spreading roller 82 formed spreading roller pair.
  • the height of the stationary lower spreading rollers 80, 82 is chosen so that Sliver 1 can run above the spreading rollers 80, 82, if there is between the deflection roller 83 and the feed roller 16 is pulled tight.
  • the axes 84, 85 of the spreading rollers 79, 81 are on Angle lever 86 attached; the lower spreading rollers 80, 82 are mounted stationary on the housing 87.
  • the storage corresponds to the Bearing of the spreading rollers 8, 10, 12 shown in Figure 2
  • Angle lever 86 and the dashed line Swivel levers 88 are connected in a rotationally fixed manner to the shaft 89 and can be pivoted together about the axis of rotation of shaft 89.
  • On The end of the pivot lever 88 is blown away by means of the crank rod 90 forth.
  • the other end of the crank rod 90 engages the crank disk 91.
  • the crank disc 91 is from Motor 92 driven.
  • the speed of the crank disk 91 is between 500 revolutions per minute and 1,500 revolutions per minute Minute.
  • the crank drive is a buffer element trained that when entering thickened tape or Belt twists no jam occurs.
  • the lower spreading rollers 80, 82 are by means of Driving belt 93 via the intermediate gear 94 and the gear wheels 95, 96 rotated.
  • the drive belt 93 also drives the Deflection roller 83.
  • the gear ratios are like this chosen that both the deflection roller 83 and the Spreading rollers 79, 80, 81, 82 and the feed roller 16 die have the same peripheral speed.
  • the sliver 1 loosens with each upward movement of the upper spreading rollers 79, 81 in the respective spreading roller pair the grooves.
  • the new point of contact between fiber material and the webs is the downward movement of the Spreading rollers 79, 81 mostly shifted somewhat to the side.
  • the Sliver 1 is not only more effective, but also spread more evenly.

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)
EP02012279A 2001-07-20 2002-06-05 Dispositif pour défibrer une mèche pour un métier à filer à bout libre Expired - Lifetime EP1277859B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10135548 2001-07-20
DE10135548A DE10135548A1 (de) 2001-07-20 2001-07-20 Offenend-Spinnvorrichtung

Publications (3)

Publication Number Publication Date
EP1277859A2 true EP1277859A2 (fr) 2003-01-22
EP1277859A3 EP1277859A3 (fr) 2003-05-28
EP1277859B1 EP1277859B1 (fr) 2005-09-14

Family

ID=7692607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02012279A Expired - Lifetime EP1277859B1 (fr) 2001-07-20 2002-06-05 Dispositif pour défibrer une mèche pour un métier à filer à bout libre

Country Status (5)

Country Link
US (1) US6796116B2 (fr)
EP (1) EP1277859B1 (fr)
CN (1) CN1399020A (fr)
CZ (1) CZ20022296A3 (fr)
DE (2) DE10135548A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009026737A1 (de) 2008-09-16 2010-03-25 Technische Universität Dresden Vorrichtung und Verfahren zum Ausbreiten von bandförmigen Filamentgarnen

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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
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)

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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
DE3402083C2 (de) * 1984-01-21 1995-03-23 Brockmanns Karl Josef Dr Ing Verfahren und Vorrichtung zur Spinnfasernformation
DE3448514C2 (de) 1984-01-21 1995-08-31 Brockmanns Karl Josef Dr Ing Faservorlageverstreckvorrichtung
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009026737A1 (de) 2008-09-16 2010-03-25 Technische Universität Dresden Vorrichtung und Verfahren zum Ausbreiten von bandförmigen Filamentgarnen
DE102009026737B4 (de) * 2008-09-16 2012-10-31 Technische Universität Dresden Vorrichtung und Verfahren zum Ausbreiten von bandförmigen Filamentgarnen

Also Published As

Publication number Publication date
CN1399020A (zh) 2003-02-26
CZ20022296A3 (cs) 2003-03-12
DE50204230D1 (de) 2005-10-20
US20030014957A1 (en) 2003-01-23
DE10135548A1 (de) 2003-01-30
EP1277859B1 (fr) 2005-09-14
EP1277859A3 (fr) 2003-05-28
US6796116B2 (en) 2004-09-28

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