WO2005026419A1 - Machine textile comportant un banc d'etirage de compression - Google Patents

Machine textile comportant un banc d'etirage de compression Download PDF

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Publication number
WO2005026419A1
WO2005026419A1 PCT/CH2004/000580 CH2004000580W WO2005026419A1 WO 2005026419 A1 WO2005026419 A1 WO 2005026419A1 CH 2004000580 W CH2004000580 W CH 2004000580W WO 2005026419 A1 WO2005026419 A1 WO 2005026419A1
Authority
WO
WIPO (PCT)
Prior art keywords
thread
textile machine
balloon constriction
balloon
spinning
Prior art date
Application number
PCT/CH2004/000580
Other languages
German (de)
English (en)
Inventor
Ludek Malina
Original Assignee
Maschinenfabrik Rieter Ag
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 Maschinenfabrik Rieter Ag filed Critical Maschinenfabrik Rieter Ag
Priority to DE112004001690T priority Critical patent/DE112004001690A5/de
Priority to JP2006526504A priority patent/JP2007506001A/ja
Publication of WO2005026419A1 publication Critical patent/WO2005026419A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/66—Cap arrangements
    • D01H7/68—Cap constructions

Definitions

  • the present invention relates to a textile machine, preferably a spinning machine or twisting machine, with compression drafting device and balloon constriction units in the form of funnels, bells or caps in accordance with the characterizing part of the independent claim.
  • Balloon constriction units in the sense of this application are to be distinguished from balloon constriction elements which are used in connection with conventional ring spinning processes with a spinning ring and a ring traveler.
  • the effect of the latter elements is e.g. B. in Melliand textile reports, 3/1989, page 159 ff.
  • Thread guiding elements in the form of funnel, bell or cap elements have been known as a possibility since the development of the industrial spinning process. Furthermore, it has long been known that spinning with such aggregates or organs has the potential to overcome the productivity limits of the ring spinning process with a spinning ring and ring traveler. Since this goal is intrinsically plausible, a large number of combinations of the various individual elements have now been proposed, which should lead to a process which is practical for spinning and / or twisting - so far without any success. In certain cases, the proposed designs can be practically excluded from the outset, e.g. B.
  • Such devices can according to DE-A-3400327 be designed as a spinning finger or spinning crown arranged at the tip of the spindle with a thread guide eyelet located just above it.
  • the optimal spinning and winding tensions should continue to be guaranteed even at higher speeds and useful spool sizes.
  • these requirements cannot be met by means of an arrangement according to DE-A-3400327, in particular there would be no possibility according to DE-A-3400327 to separate the spinning tension (at the drafting system outlet) from the winding tension (when depositing in the bobbin) to program.
  • the rotatable bell should be designed as a control device in order to determine the size of the yarn balloon and the yarn tension. This control device is to be formed as an open tube which is "unobstructed" at the upper end in order to allow the formation of the balloon between a drafting device and the control device. The dimensioning of the balloon is to ensure the required spinning tension.
  • EP-B-225660 has but also brought no practical solution.
  • DE-C-3741431 from 1987 provides further information on the effect of the device according to DE-A-3400327. According to the statement in the later document, speeds of 40,000 revolutions per minute can be achieved by means of a device according to DE-A-3400327, a certain deviation in the appearance of the yarn spun in this way with respect to the ring yarn being that the new yarn turned out to be significantly hairier.
  • DE-C-3741431 therefore proposed to provide a compression element between the drafting system and the bell. By compacting the fuse as long as there is no spin twist, the spin triangle can be reduced so that the possible centrifugal forces acting on the fibers are also reduced. An increased spreading of fiber ends would have to be prevented.
  • both the tube and the winding body can also be provided with their own drive, each drive being individually adjustable in terms of its speed, so that the difference in the speed of the tube and the winding body can be determined This allows the thread tension at the transition from the support tube to the winding body to be adjusted.
  • EP-B-947617 also reveals a method in which a fiber sliver delivered by a drafting unit is first subjected to compression and then twisted and wound up using a ring spinning device with a reduced amount of thread balloons or thread balloons. Since ring spinning devices are provided, the designs do not have balloon constricting units or thread guiding members in the sense of this application, but again spindle attachments, as are also shown in DE-A-3400327.
  • the present invention is based on the knowledge that the combination of a compression drafting device with balloon constriction units or thread guiding elements in the form of bell, cap or funnel elements can lead to considerable advantages, but the choice of a support tube according to DE-A-19938493 as such an element is wrong. Furthermore, this invention is based on the knowledge that the optimization of both the spinning tension and the winding tension is of great importance, but that the determination of the spinning tension by means of a thread balloon connected to the spinning triangle cannot lead to a good result.
  • the next prior art is said to be DE application 199 38 493. It shows a spinning device with a compression drafting system and a thread guide, in shape a support tube slipped over the spindle, on the outside of which the thread is placed on a storage sleeve, where it experiences its spinning rotation.
  • the present invention is therefore based on the object of providing a textile machine which is not only able to increase the production speed but, under the given circumstances, is also able to improve the yarn quality, even relative to an ordinary compact spinning or twisting machine.
  • this is done by combining a compacting drafting unit with a subsequent balloon constriction unit, which is designed in such a way that the thread is deposited on its inside on a storage sleeve, an assembly as is known, for example, from funnel spinning.
  • the so-called bell, cap or funnel spinning or twisting (hereinafter referred to as funnel spinning) is a method to make ring spinning or twisting more efficient.
  • either the lower edge of the funnel, a recess on the lower edge or a thread guide in any shape in or on the funnel serves as a deflection for laying the thread on the storage sleeve.
  • the guiding of the thread at least for the most part, but preferably entirely on the inside of the funnel, means that the balloon, at least for the most part, is completely restricted in particularly advantageous embodiments and practically prevented from spreading.
  • lower centrifugal forces act on the yarn between the drafting device and the wound yarn package. This also solves the problem of rotor friction.
  • the guidance as such supports the thread by fully absorbing the centrifugal force.
  • FIG. 1 shows a storage device 1 with a cop 2 on a storage sleeve 3.
  • a balloon constriction unit 4 here in the form of a funnel with a thread guide 5 in the form of a checkmark on the inside of the funnel 4 allows the thread 6 to be guided on the storage sleeve 3 to a cop 2 without allowing the rotating thread 6 to spread into a balloon.
  • 1 shows a variant of a balloon constriction unit with its own drive 8, but it is also conceivable to use entrained ones, for example also in connection with rotating rings, which are not specifically shown here.
  • Fig. 2 shows the same arrangement with a balloon constriction unit 4 in bell shape with a thread guide in the form of a recess on the underside of the bell, for which an encapsulation 7 is additionally provided. This encapsulation is considered a particularly advantageous embodiment, since it enormously reduces air friction and can therefore be used to save energy.
  • Fig. 3 shows an embodiment in which the thread 6 is only partially guided on the inside of the balloon constriction unit 4.
  • a hole in the wall of the balloon constriction unit 4 is provided as the thread guide 5.
  • the thread 6 runs along the inside of the balloon constriction unit 4 up to the thread guide hole 5 and passes through it out of the balloon constriction unit 4 in order to be deposited over the outside of the last part of the unit 4, which preferably widens downwards.
  • a reverse solution would also be possible, namely that the thread or twine initially runs along the outside of the wall of the balloon constriction unit 4 in order to enter through a hole and then be guided and deposited on the inside.
  • the textile machine comprises a bobbin forming device which is suitable for a bobbin, for example a cop, with a non-cylindrical, in particular a conical, part. to build.
  • the balloon constriction unit comprises a thread guide element with a first part which is adapted to the non-cylindrical part of the bobbin.
  • the thread guide member is provided with a holder in the form of a hollow shaft through which the thread can get into the interior of the unit, the outer diameter of the hollow shaft preferably being considerably smaller than the outer diameter of the bobbin to be formed.
  • the holder also comprises a bearing arrangement which cooperates with the hollow shaft in order to rotatably support the member about the axis of the hollow shaft, the bearing arrangement preferably comprising roller bearings.
  • the thread guide member is provided with a second part which connects the first part to the hollow shaft.
  • the second part is essentially cylindrically adapted to the storage sleeve or it forms a substantially continuous transition from the hollow shaft to the first part.
  • the thread guide is designed in such a way that no balloon can form between the delivery rollers of the drafting system and the entry into the balloon constriction unit, or at least can not maintain it.
  • the thread guide is designed in such a way that no balloon can result or be maintained inside the balloon constriction unit.
  • a single drive preferably in the form of a controllable electric motor, is provided for the balloon constriction unit.
  • a single drive preferably in the form of a controllable electric motor, is provided for the sleeve carrier, preferably in the form of a spindle.
  • the drives are arranged or controlled in such a way that the controllable setting of the thread tension (the “winding tension") between the balloon constriction unit and the bobbin (the winding body) is made possible:
  • the thread guide is designed in such a way that the spinning tension in the twist-in area at the exit from the compression drafting system is dependent on the winding tension, preferably in such a way that no additional thread tension arises in the thread stretch in the running direction before the transition from the balloon constriction unit to the storage sleeve.
  • the thread guide is designed in such a way that the spinning tension results from the winding tension and the tension losses due to friction on deflection surfaces, the wrap angles at deflections preferably being limited overall in such a way that the spinning tension falls in an optimal range or at least in a sufficiently high range.
  • the winding voltage is selected to be high enough to result in a predetermined coil structure, in particular a predetermined coil hardness or density.
  • the winding tension is limited to ensure sufficient residual stretch in the thread.
  • the winding tension is limited in such a way that a residual elongation higher than 4%, preferably higher than 4.5%, for example in the range 4.5 to 7% results.
  • This stretch can e.g. B. can be measured by Uster Tensorapid 3 at a test speed of 5 m / min.
  • the thread guide is designed such that the thread reaches the outer surface of the thread guide member, for example the outer surface of the first part of the member, the thread does not form any spirals.
  • All elements of the thread guide member are connected to each other in such a way, for. B. by the formation of the organ from a piece that there is no relative rotation of these elements during operation.
  • the arrangement is preferably chosen such that the thread tension between the bobbin and the balloon constriction unit can propagate up to the exit of the compression drafting system, the spinning tension at the drafting system outlet being essentially reduced by the winding tension by tension losses, in particular at deflection points.
  • the determination of the optimal spinning tension for a specific yarn product has to be done empirically in practice, since the theoretical considerations are very complex - see e.g. B. Melliand Textilberichte, 7/1991, page 499 ff.
  • a non-optimal spinning tension leads to poor running behavior, in particular to a high number of thread breaks which occur in the "spinning triangle" (at the drafting system exit).

Abstract

L'invention concerne une machine textile comportant un banc d'étirage de compression et des groupes anti-ballonnement servant à guider du fil ou du retors au moins partiellement sur le côté intérieur des groupes anti-ballonnement de manière que le fil ou le retors se dépose sur une bobine de dépôt.
PCT/CH2004/000580 2003-09-15 2004-09-14 Machine textile comportant un banc d'etirage de compression WO2005026419A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112004001690T DE112004001690A5 (de) 2003-09-15 2004-09-14 Textilmaschine mit Verdichtungsstreckwerk.
JP2006526504A JP2007506001A (ja) 2003-09-15 2004-09-14 コンプレッションドラフト機構を有する繊維機械

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01580/03 2003-09-15
CH15802003A CH696361A5 (de) 2003-09-15 2003-09-15 Textilmaschine mit Verdichtungsstreckwerk.

Publications (1)

Publication Number Publication Date
WO2005026419A1 true WO2005026419A1 (fr) 2005-03-24

Family

ID=34280707

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2004/000580 WO2005026419A1 (fr) 2003-09-15 2004-09-14 Machine textile comportant un banc d'etirage de compression

Country Status (5)

Country Link
JP (1) JP2007506001A (fr)
CN (1) CN1882725A (fr)
CH (1) CH696361A5 (fr)
DE (1) DE112004001690A5 (fr)
WO (1) WO2005026419A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013067459A (ja) * 2011-09-21 2013-04-18 Murata Machinery Ltd 自動ワインダーの糸解舒補助装置
DK3540102T3 (da) 2016-12-30 2022-05-02 Twistperfect S L Fremgangsmåde til garnspinding og/eller -snoning
JP2020172362A (ja) * 2019-04-10 2020-10-22 村田機械株式会社 ガイド筒
CN114808204A (zh) * 2021-01-18 2022-07-29 嵊州市科隆自动化设备有限公司 一种初复捻一体机及其控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1176397A (en) * 1967-05-18 1970-01-01 Eadie Bros & Company Ltd Improvements in Baloon Control Means for Ring Spinning Twisting and Similar Frames
EP0303063A1 (fr) * 1987-08-10 1989-02-15 Maschinenfabrik Rieter Ag Système de filature ayant un dispositif rotatif pour contrôler le ballon du fil
EP0458154A1 (fr) * 1990-05-22 1991-11-27 Maschinenfabrik Rieter Ag Métier à filer
EP0933454A2 (fr) * 1998-01-28 1999-08-04 Vyzkumny ustav bavlnársky Dispositif de filage ou de retordage sur broche
DE19938493A1 (de) * 1999-08-13 2001-02-15 Sanders Falk Hayo Spinnvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1176397A (en) * 1967-05-18 1970-01-01 Eadie Bros & Company Ltd Improvements in Baloon Control Means for Ring Spinning Twisting and Similar Frames
EP0303063A1 (fr) * 1987-08-10 1989-02-15 Maschinenfabrik Rieter Ag Système de filature ayant un dispositif rotatif pour contrôler le ballon du fil
EP0458154A1 (fr) * 1990-05-22 1991-11-27 Maschinenfabrik Rieter Ag Métier à filer
EP0933454A2 (fr) * 1998-01-28 1999-08-04 Vyzkumny ustav bavlnársky Dispositif de filage ou de retordage sur broche
DE19938493A1 (de) * 1999-08-13 2001-02-15 Sanders Falk Hayo Spinnvorrichtung

Also Published As

Publication number Publication date
DE112004001690A5 (de) 2007-08-23
CH696361A5 (de) 2007-05-15
CN1882725A (zh) 2006-12-20
JP2007506001A (ja) 2007-03-15

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