EP0642606B1 - Verfahren zum betrieb von zwirnspindeln sowie einrichtungen zur durchführung des verfahrens - Google Patents

Verfahren zum betrieb von zwirnspindeln sowie einrichtungen zur durchführung des verfahrens Download PDF

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Publication number
EP0642606B1
EP0642606B1 EP93912549A EP93912549A EP0642606B1 EP 0642606 B1 EP0642606 B1 EP 0642606B1 EP 93912549 A EP93912549 A EP 93912549A EP 93912549 A EP93912549 A EP 93912549A EP 0642606 B1 EP0642606 B1 EP 0642606B1
Authority
EP
European Patent Office
Prior art keywords
thread
balloon
ring
contact
limiter
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
Application number
EP93912549A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0642606A1 (de
Inventor
Johannes Frentzel-Beyme
Rainer Lorenz
Helmut Heiser
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.)
Palitex Project Co GmbH
Original Assignee
Palitex Project Co GmbH
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
Priority claimed from DE19924217360 external-priority patent/DE4217360C2/de
Priority claimed from DE9209495U external-priority patent/DE9209495U1/de
Application filed by Palitex Project Co GmbH filed Critical Palitex Project Co GmbH
Publication of EP0642606A1 publication Critical patent/EP0642606A1/de
Application granted granted Critical
Publication of EP0642606B1 publication Critical patent/EP0642606B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads
    • D02G3/285—Doubled, plied, or cabled threads one yarn running over the feeding spool of another yarn
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/42—Guards or protectors for yarns or threads, e.g. separator plates, anti-ballooning devices
    • D01H1/425—Anti-ballooning rings
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/42—Guards or protectors for yarns or threads, e.g. separator plates, anti-ballooning devices
    • D01H1/427—Anti-ballooning cylinders, e.g. for two-for-one twist machine

Definitions

  • the invention relates to a method for operating twisting spindles and devices for carrying out the method.
  • the technical field to which the invention relates relates to twisting machines with one or more twisting spindles, namely a method for operating twisting spindles to form a thread balloon, the radial extent of which is delimited by the inner surface of a cylindrical balloon delimiter, in which each circumferential thread element of the the thread balloon of running thread touches the delimiting elements at intervals and then runs through a thread guide eyelet.
  • a “thread element” in the sense of the invention described below is intended to be a thread section, the length of which is so small compared to the length of a total spring section which is present in the thread balloon at a specific point in time and which extends from the point of entry into the thread balloon to the point of exit from the thread balloon can practically be regarded as "punctiform". This is the case, for example, with a thread section whose length is of the order of its thickness.
  • DE-PS 1 211 975 describes, for example, reducing the thread tension in a spring balloon by using a conventional balloon limiter designed as a hollow cylinder, which can be provided on the inside with a protrusion rising in the form of a helix, as is the case, for example in U.S. Patent 2,745,239 and GB Patent 936,509. It is also known to form balloon limiters in the form of constriction rings. Finally, a cylindrical balloon limiter is described in the first-mentioned document, in which projections are provided in order to reduce the thread tension on the inner wall of the limiter at regularly distributed circumferentially or circumferentially and at the same time lengthwise projections.
  • the starting point of the invention is the fact that, for environmental protection reasons, suitable yarns for the production of twisted yarns should, if possible, be delivered and processed without the twine weave used previously.
  • yarns without thread finishing are considerably more subject to wear due to friction during the processing process and exposed to appropriate heating, especially when they are processed on twisting spindles in which the thread balloon forming is delimited by a conventional cylindrical balloon limiter.
  • the thread passing through the thread balloon rests against the balloon limiter over a considerable part of the height of the thread balloon, which causes increased abrasion and the generation of considerable frictional heat which can damage the thread.
  • twisting spindles without limiting elements for the thread balloon are used, then a larger space requirement or a higher thread tension must be accepted.
  • the invention has for its object to design a method of the type mentioned so that the contact between the thread passing through the thread balloon and the limiting elements is limited to a minimum and the friction between the thread and the limiting elements is reduced so much that Even when twisting yarn without finishing, no inadmissible heating of the thread can occur.
  • the basic idea of the invention is, on the one hand, that the thread balloon only specifically touches the cylindrical balloon limiter at individual points and, on the other hand, that for each thread element the thread passing through the thread balloon after a contact time with the balloon limiter a time of non-contact follows, which is large enough that the thread element heated by the touch can cool down again in a sufficient manner.
  • the method can be carried out with devices which essentially comprise an odulator ring with which the transverse waves mentioned are formed on the thread length within the thread balloon.
  • the method according to the invention and the devices intended for its implementation have the advantage that it can be used on spindles with a conventional cylindrical balloon limiter, so that, for example, already existing twisting machines can be easily retrofitted with corresponding devices.
  • FIG. 1 parts of a twisting machine are shown schematically, in which several twisting spindles Z are arranged on a spindle bench B, which is only partially shown, in the usual way.
  • the twisting spindles designed as cabling spindles have a spindle pot 1 in which a first yarn spool SP1 is arranged.
  • the thread F1 drawn off from the spool SP1 runs over a thread brake 1.5 arranged in the upper part 1.4 of the bobbin 1. It is guided axially out of the bobbin 1 and passed through a balloon thread guide eyelet 2, which is fastened to the machine stand, which is only indicated, by means of a holder 2.1.
  • a second yarn spool SP2 is arranged outside the bobbin 1.
  • the thread F2 drawn from it is guided axially from below through the spindle axis, then deflected in the radial direction and exits radially at a thread storage disk 1.3, which is set in rotation via the bobbin whorl 1.1 by means of a drive belt 1.2.
  • the bobbin 1 is surrounded by a cylindrical balloon limiter 3, and the thread F2 is guided upwards in the space between the outside of the bobbin 1 and the inner wall of the balloon limiter 3 and also passed through the balloon thread guide eyelet 2.
  • the resulting twine is fed in a known manner via a deflection roller 4 to a winding device 5.
  • the thread F2 lies in the passage area between the bobbin 1 and the balloon limiter 3 over a considerable part of the height of the balloon limiter 3 on the inner surface of the balloon limiter, as a result of which the circulating thread in this area is subjected to strong friction, which leads to a Depending on the size of the contact surface, excessive heating of the thread can result.
  • an undulator ring 6 is arranged on the top of the upper part 1.4 of the bobbin 1 coaxially to the bobbin axis and below the balloon thread guide eyelet 2.
  • This Onduletorring 6 is connected to the machine stand via a bracket 6.1 and has on its inside radially inwardly facing cams 6.2 with gaps 6.3, which are designed so that an at least approximately sinusoidal shape of the outer contour of the Ondulatorring 6 is formed (see Figure 2).
  • the diameter of the ondulator ring 6 is dimensioned such that the spring F2, which runs on the thread balloon and passes through the onducer ring 6, touches the inside of the ondulator ring 6 and follows the inner contour of this ring.
  • the thread F2 periodically becomes a radial movement component Direction of the Ondulatorrings 6 issued. This leads to a periodic disturbance of the thread balloon in such a way that transverse waves are formed on the thread length within the thread balloon with wave crests F1.1 pointing outwards and wave troughs F1.2 pointing inwards.
  • each thread element can cool down sufficiently in the times of non-contact with the inner wall of the balloon limiter 3 before the next contact time begins.
  • the ondulator ring 6 comprising the thread balloon
  • the radial distance between mutually opposite, inwardly facing cam tips is 40-150 mm, in particular 70-90 mm
  • the distance between mutually opposite, outwardly facing cam valleys is 50-160 mm, in particular 80 Is -100 mm.
  • the ondulator ring 6 is arranged at a height of approximately 62% to 88% of the total balloon height.
  • the Ondulatorring 6 is provided on its inside with the cams forming the contour.
  • FIG. 3 a variant of the device is shown, in which an Ondulatorring 16 is attached via supports 16.1 on the upper part 1.4 of the bobbin 1, and also between the upper part 1.4 of the bobbin 1 and the balloon thread guide eyelet 2.
  • This Ondulatorring 16 is on its outside provided with cams 16.2 or spaces 16.3, which also have an at least approximately sinusoidal contour.
  • the thread F2 forming the thread balloon runs outside the ondulator ring 16 in such a way that it touches the outside of the contour formed by the cams before it meets the thread F1 fed from the inside of the bobbin.
  • FIG. 4 shows a variant of the embodiment according to FIG. 2, in which the onulator ring 36 is rotatably mounted.
  • the undulator ring 36 has on its underside a guide ring 36.1 which sits in a rotary bearing 14 which is connected to the machine frame by means of a holder 14.1.
  • the ondulator ring 36 has a circumferential groove 36.2, in which a drive belt 15 engages, which leads to a drive device 18.
  • the ondulator ring 36 can be set in rotation in such a way that its rotational speed is low compared to the circulating gas speed of the thread F 42 in the thread balloon.
  • This has the advantage that the contact zones on the inner wall of the balloon limiter change temporally and spatially. This can be particularly important if standing waves are formed on the thread balloon. In this way, for example, wear of the balloon limiter concentrated on certain areas is avoided.
  • the rotational speed of the ondulator ring 36 can be, for example, one thousandth of the rotational speed of the thread F 42 in the thread balloon or less.
  • the number of cams on the outside or inside of the ondulator ring 6 or 16 is expediently 7-19, with a cam amplitude of 2-10 mm.
  • the ondulator ring 6 is arranged at a balloon height of 550 mm, approx. 100 mm below the balloon tip and has thirteen cams on its inside which are designed in such a way that that there is a cam amplitude of about 5 mm.
  • the cams of the ondulator ring excite a high-frequency transverse oscillation with wavelengths of 30 - 150 mm in the thread during the circulation in the balloon. This leads like already shown, for largely lifting inwards of the thread from the inner wall of the balloon limiter.
  • the spring contact with the balloon limiter is reduced to selective contacts with constantly changing contact points.
  • the locally generated frictional heat is dissipated again in the non-contact times by air cooling of the thread after the shortest contact time. If the wavelength of the transverse vibrations and the length of the thread in the balloon are coordinated favorably, standing waves can form between the edge of the thread storage disk and the ondulator ring with particularly high amplitudes and particularly low contact between the thread and the inner wall of the balloon.
  • the balloon width - both on average and in the extremes that occur periodically with the frequency of the transverse wave when using the ondulator ring - is significantly smaller than when the balloon is narrowed by a known smooth balloon constriction ring with an inner diameter corresponding to the smallest diameter of the ondulator ring .
  • two effects are superimposed, namely the limitation of the contact to point contacts and the reduction of the balloon width, so that the contacts between the thread and the inner wall of the balloon are significantly reduced in both duration and intensity. This makes it possible to process low-yield yarns without significant friction damage on twisting spindles with balloon limiters.
  • FIG. 5 shows an embodiment of a device for generating transverse waves in the thread balloon, in which the ondulator ring is configured somewhat differently than in the previously described embodiments.
  • the device shown in FIG. 5 corresponds to the device according to FIGS. 1 and 2, and therefore all components which correspond exactly to the embodiment described above are designated in FIG. 5 with the same reference numbers. These components are not described again below.
  • the upper part 1.4 of the coil pot 1 is arranged coaxially to the coil axis and below the balloon spring guide sleeve an undulator ring 46.
  • the Ondulatorring 46 is connected via a bracket 46.1 to the machine stand, not shown in Figure 5.
  • the Ondulatorring 46 is designed as a hexagon bent from a round rod, which means that the inner contour of the Ondulatorring 46 touched by the thread F2 also has the shape of a regular hexagon. Of course, a different polygon can also be used here.
  • the thread F2 following the inner contour of the ring is periodically given a movement component in the radial direction of the ondulator ring 46. This leads to the periodic disturbance of the thread balloon already described and transverse waves are formed with wave crests F1.1 pointing outwards and wave troughs F1.2 pointing inwards.
  • the rods 12.1 and 12.2 are arranged on a support tube 20 which is pushed onto a rod 20.2 and is fixed on this rod 20.2 by a screw 20.1.
  • the rod 20.2 is connected to the machine stand in a manner not specifically shown. Otherwise, the configuration of the twisting spindle corresponds to the exemplary embodiment according to FIGS. 1 and 2 and therefore does not need to be explained again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP93912549A 1992-05-26 1993-05-15 Verfahren zum betrieb von zwirnspindeln sowie einrichtungen zur durchführung des verfahrens Expired - Lifetime EP0642606B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4217360 1992-05-26
DE19924217360 DE4217360C2 (de) 1992-05-26 1992-05-26 Verfahren zum Betrieb von Zwirnspindeln sowie Einrichtung zur Durchführung des Verfahrens
DE9209495U 1992-07-15
DE9209495U DE9209495U1 (de) 1992-07-15 1992-07-15 Ballonbeeinflussungsvorrichtung an einer Zwirnmaschine
PCT/DE1993/000441 WO1993024688A1 (de) 1992-05-26 1993-05-15 Verfahren zum betrieb von zwirnspindeln sowie einrichtungen zur durchführung des verfahrens

Publications (2)

Publication Number Publication Date
EP0642606A1 EP0642606A1 (de) 1995-03-15
EP0642606B1 true EP0642606B1 (de) 1997-07-30

Family

ID=25915151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93912549A Expired - Lifetime EP0642606B1 (de) 1992-05-26 1993-05-15 Verfahren zum betrieb von zwirnspindeln sowie einrichtungen zur durchführung des verfahrens

Country Status (7)

Country Link
US (2) US5329755A (es)
EP (1) EP0642606B1 (es)
JP (1) JP3362043B2 (es)
AU (1) AU4305693A (es)
CA (1) CA2136754A1 (es)
MX (1) MX9303076A (es)
WO (1) WO1993024688A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1265459B1 (it) * 1993-12-29 1996-11-22 Roj Electrotex Nuova Srl Dispositivo di contenimento del filo in uscita da alimentatori di filo
DE4418312A1 (de) * 1994-05-26 1995-11-30 Schlafhorst & Co W Einrichtung zur Beeinflussung des Fadenlaufs an der Spulstelle einer Spulmaschine
DE69615861T2 (de) * 1995-12-22 2002-04-11 Du Pont Verfahren zur herstellung eines mehrfarbigen fadens
IT1295336B1 (it) * 1997-10-15 1999-05-04 Savio Macchine Tessili Spa Dispositivo e procedimento di controllo del balloon di svolgimento del filo dalla spola di alimentazione in una roccatrice automatica
DE19919232C1 (de) 1999-04-28 2000-07-13 Hamel Ag Arbon Hohlspindel, insbesondere zur Herstellung elastischer Umwindegarne
JP4243499B2 (ja) * 2002-06-11 2009-03-25 富士通株式会社 貼合せ基板製造装置及び貼合せ基板製造方法
CN104073934A (zh) * 2014-07-08 2014-10-01 吴江久美微纤织造有限公司 内凸纹气圈罩
DE102015014382A1 (de) * 2015-11-09 2017-05-11 Saurer Germany Gmbh & Co. Kg Arbeitsstelle einer Doppeldrahtzwirn-oder Kabliermaschine
DE102015014383A1 (de) * 2015-11-09 2017-05-11 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Spindel einer Doppeldrahtzwirn- oder Kabliermaschine
DE102016008621A1 (de) * 2016-07-15 2018-01-18 Saurer Germany Gmbh & Co. Kg Verfahren zum Starten einer Spindel einer Kablier- oder Doppeldrahtzwirnmaschine
TWD208194S (zh) * 2019-06-12 2020-11-11 義大利商聖東尼股份公司 紡織機組件
CN111519304B (zh) * 2020-04-28 2023-08-22 广东天海花边有限公司 一种可调包覆张力式包覆纱机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE203338C (es) *
US2745239A (en) * 1953-04-06 1956-05-15 North American Rayon Corp Twist control balloon inclosure
US2994491A (en) * 1956-05-14 1961-08-01 Schlafhorst & Co W Means for unwinding the yarn of conical-layer coils
CH356954A (de) * 1958-11-08 1961-09-15 Bayer Ag Verfahren zum Schützen von nichttextilen Materialien gegen Termitenfrass
NL111054C (es) * 1959-06-20 1964-11-16
IT649816A (es) * 1960-03-18
US3718296A (en) * 1971-11-18 1973-02-27 Barber Colman Co Balloon breaker for thread winders
FR2356750A1 (fr) * 1976-06-30 1978-01-27 Asa Sa Limitateur de ballon lors du devidage ou du renvidage d'un fil
EP0333885A1 (de) * 1988-03-19 1989-09-27 Palitex Project-Company GmbH Verfahren und Vorrichtung zum Herstellen von Zwirnen, insbesondere von Reifencord, und zum Aufwickeln der- bzw. desselben auf einen Kett- oder Zettelbaum
DE3843553A1 (de) * 1988-12-23 1990-07-05 Schlafhorst & Co W Garnlieferaggregat eines spulautomaten
DE9209495U1 (de) * 1992-07-15 1993-11-18 Palitex Project-Company GmbH, 47804 Krefeld Ballonbeeinflussungsvorrichtung an einer Zwirnmaschine

Also Published As

Publication number Publication date
EP0642606A1 (de) 1995-03-15
JP3362043B2 (ja) 2003-01-07
JPH07507110A (ja) 1995-08-03
WO1993024688A1 (de) 1993-12-09
US5404703A (en) 1995-04-11
US5329755A (en) 1994-07-19
CA2136754A1 (en) 1993-12-09
AU4305693A (en) 1993-12-30
MX9303076A (es) 1993-11-01

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