EP0066058B1 - Broche de centrage tournante montée en porte-à-faux - Google Patents

Broche de centrage tournante montée en porte-à-faux Download PDF

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Publication number
EP0066058B1
EP0066058B1 EP82102808A EP82102808A EP0066058B1 EP 0066058 B1 EP0066058 B1 EP 0066058B1 EP 82102808 A EP82102808 A EP 82102808A EP 82102808 A EP82102808 A EP 82102808A EP 0066058 B1 EP0066058 B1 EP 0066058B1
Authority
EP
European Patent Office
Prior art keywords
thread
centering spindle
spindle
centering
circumferential groove
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
Application number
EP82102808A
Other languages
German (de)
English (en)
Other versions
EP0066058A3 (en
EP0066058A2 (fr
Inventor
Stephan Dipl.-Ing. Wittmann
Walter Mayer
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.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Schubert und Salzer Maschinenfabrik 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 Schubert und Salzer Maschinenfabrik AG filed Critical Schubert und Salzer Maschinenfabrik AG
Publication of EP0066058A2 publication Critical patent/EP0066058A2/fr
Publication of EP0066058A3 publication Critical patent/EP0066058A3/de
Application granted granted Critical
Publication of EP0066058B1 publication Critical patent/EP0066058B1/fr
Expired 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
    • D01H4/48—Piecing arrangements; Control therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/14—Pulleys, rollers, or rotary bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a cantilevered, rotatable centering spindle for centering a thread, which has a central circumferential groove into which thread grooves which run in opposite directions from one another open.
  • the object of the present invention is to design a centering spindle of the type mentioned at the outset so that after centering the thread, its safe release is ensured in a simple manner.
  • This object is achieved in that the direction of rotation of the centering spindle is reversible and that the two thread grooves have different core diameters, the smaller core diameter facing the free end of the centering spindle. If the centering spindle is driven in a first direction of rotation, regardless of where the thread is at the time of contact between the centering spindle and the thread, the thread is fed in a known manner to the central circumferential groove and thus centered, so that the thread guide is stationary the thread extending to the centering spindle is precisely fixed in its thread path. Operations for which such a fixed thread path is a requirement can thus be carried out.
  • the two thread grooves converging have different core diameters.
  • the thread will surely get into the thread groove with the smaller core diameter when the direction of rotation of the centering spindle is reversed, so that this thread groove Thread is fed to the free end of the centering spindle and is released there.
  • the centering spindle can then be brought into a rest position without impairing the thread, which it no longer touches, if the centering spindle cannot or cannot remain permanently in its current position.
  • the threaded groove facing the free end extends into the region of the central circumferential groove and one has a smaller core diameter than this circumferential groove. In this way, the thread will surely get into the thread groove that causes the thread ejection when the direction of rotation of the centering spindle is reversed.
  • the centering spindle has a smaller outside diameter on its side facing the free end than on its side facing away from the free end.
  • Centering spindles according to the invention are very simple in construction and control and versatile in their possible applications.
  • the centering spindle can be assigned to a feeder that feeds the thread to a pair of auxiliary rollers of a piecing carriage.
  • the centering spindle can, however, also take the place of two pivotable centering brackets which fix the thread course in relation to a knotter which can be moved into the thread course (DE-PS 2 758 064).
  • Other areas of application are quite possible.
  • a coil support element 27 is assigned to the coil 23, by means of which the coil 23 can be lifted off the drive shaft 26.
  • the thread 1 is on its way between the take-off rollers 20 and 21 and the bobbin 23 in an N-shaped course with two parallel sections 11 and 12 and an oblique connecting section Brought 10.
  • the knotter 25, which is movable along the machine and movable from the viewer side towards the machine, is designed such that it holds the oblique thread connecting section 10 and between the two parallel thread sections 11 and 12 out of the working area of the knotter 25 during the knotting work.
  • the thread 1 is held in its N-shaped course by two thread guides 30 and 31, the thread guide 30 being designed as a suction nozzle, while the thread guide 31 is arranged at the end of a pivotable lever 3, the task of which is to pull the thread 1 out of its bring straight course between the take-off rollers 20 and 21 and the thread guide 30 in the N-shaped course.
  • Another suction nozzle 4 is located between the take-off rollers 20 and 21 and the knotter 25 in the working position.
  • the thread section 12 is fixed by the take-off rollers 20 and 21 and by the thread guide 31; the thread section 11 is fixed parallel to the thread section 12 by the thread guide 30 designed as a suction nozzle and the centering spindle 5 according to the invention.
  • the centering spindle 5 is seated on a holder 6, which can bring the centering spindle 5 into or out of the normal thread run with the aid of a drive (not shown). Since such drives (swivel or lifting drives, possibly with the inclusion of curve guides) are known and also customary, it has been omitted to describe such a drive here.
  • the holder 6 carries a motor 60, which is connected via control connections (not shown) to a suitable control device which controls the running time and direction of rotation of the motor 60.
  • the centering spindle 5 has two longitudinal sections 50 and 51 which are separated from one another by a circumferential groove 52. From each of the two longitudinal sections 50 and 51, a threaded groove 500 or 510 opens into this circumferential groove 52, the longitudinal section 50 with the threaded groove 500 on the side facing the motor 60 having a larger core diameter d 1 than the longitudinal section 51 with the threaded groove 510 (Core diameter d 2 ).
  • the two thread grooves 500 and 510 are designed in opposite directions, so that the thread 1 of the circumferential groove 52 is fed with a certain rotation of the centering spindle 5. In the embodiment of the subject matter shown in FIG.
  • the threaded groove 510 facing the free end of the centering spindle 5 extends into the circumferential groove 52 and has a core diameter d 2 that is smaller than the diameter D 3 of the circumferential groove 52.
  • the outside diameter D i of the length section 50 is also larger than the outside diameter D 2 of the length section 51.
  • Knotter 25 is brought to the spinning station and stopped there in a likewise known manner.
  • the knot 25 turns on the motor 60 of the centering spindle 5, so that a thread 1 resting on the centering spindle 5 is brought into a centering position regardless of its instantaneous position.
  • this takes an inclined position (with reference to FIG. 1) to the right or to the left.
  • 3 shows three starting positions of the thread 1, namely a left inclined position 102, a right inclined position 103 and a central position 101.
  • the thread 1 By turning the centering spindle 5 in the direction of arrow 7, the thread 1 is moved towards the circumferential groove 52, the thread section 11 is brought into a defined position between the thread guide 30 designed as a suction nozzle and the circumferential groove 52. A necessary deflection of the thread extending to one end of the bobbin 23 then takes place on the circumferential groove 52 of the centering spindle. After a certain time which is sufficient to bring the thread 1 into the circumferential groove 52 with certainty in any case, the motor 60 is stopped.
  • the lever 3 is pivoted in a known manner with the thread guide 31, so that the thread sections 11 and 12 are positioned parallel to one another and, together with their thread connecting section 10, assume an N-shaped thread course.
  • the knotter 25 can now perform the knotting process in a known manner, the thread 1 being stopped by buffering in the suction nozzle 4 in the area of the knotter 25.
  • the thread connecting section 10 separated at the knot is discharged through the suction nozzle forming the thread guide 30.
  • the coil support element 27 is pulled away from the coil 23 so that it is driven again by the drive shaft 26.
  • the centering spindle 5 is rotated in the direction of arrow 70 by switching on the motor 60.
  • the thread 1 arrives in the threaded groove 510 extending into the circumferential groove 52 and is thus transported by the threaded groove 510 from the circumferential groove 52 to the free end of the centering spindle 5 during the further rotation of the centering groove 5 and thrown off there.
  • the thread 1 thus comes into the freewheel 1 '(Fig. 2).
  • the centering spindle 5 can now be brought back into its rest position (in relation to FIG. 2 to the left of the thread run 1 ') by a combined movement along the double arrows 72 and 71.
  • the thread groove 510 has a core diameter d 2 , which is smaller than the diameter d 3 of the central circumferential groove 52 of the centering spindle 5. In this way, an immediate takeover of the thread 1 by the thread groove 510 when the centering spindle 5 rotates in the direction of arrow 70 is reached, while this takeover does not always take place immediately with the same diameters d 2 and d 3 . If a particularly rapid release of the thread 1 by the centering spindle 5 is desired, this is achieved in a simple manner by choosing a core diameter d 2 that is smaller than the diameter d 3 .
  • the inclination of the thread grooves 500 and 510 is expediently chosen such that they largely correspond to the starting position of the thread 1 in the inclined positions 102 and 103. If the thread 1 rests on the underside of the centering spindle 5, thread grooves are thus required, the inclination of which is reversed compared to the embodiment shown, in which the thread 1 rests on the top of the centering spindle 5 from the viewer side.
  • the centering spindle 5 was described above using the example of an open-end spinning station at which a knotting process is carried out with the aid of a traveling knotter 25. However, other applications are possible.
  • the centering spindle 5 can thus be brought into the course of a thread 1 which extends from the bobbin 23 to a pivotable suction nozzle which has previously picked up the thread 1 on the bobbin 23 and has drawn it off from there.
  • This suction nozzle (not shown) is usually part of an automatic piecing device.
  • the thread 1 must finally be reinserted into the pull tube 2 with the aid of several organs.
  • the thread 1 is reliably grasped by the individual organs, it is also necessary here that the thread 1 occupies a defined position and oblique positions with respect to such organs are eliminated. This is done by the centering spindle 5 designed according to the invention, which is either brought into the thread path between the bobbin 23 and the suction nozzle or to which the thread 1 is fed during the constant suction from the bobbin 23 through the correspondingly designed suction nozzle.
  • the organs mentioned can be movable elements such as feeders, etc.; but it can also be the take-off rollers 20/21, the clamping line of the thread 1 can be better fed through a defined position. Combinations of several such organs are also possible.
  • the coil 23 can be stopped during the work described, depending on the task to be solved, or can also be driven by its drive shaft 26 or an individual drive (not shown).
  • the centering spindle 5 can be arranged in a stationary manner at each spinning station or on a device which can be moved along the machine. It is space-saving and can even be used where swiveling thread guides cannot be used due to space constraints.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)

Claims (3)

1. Broche de centrage tournante montée en porte-à-faux, pour le centrage d'un fil (1), qui comporte une gorge périphérique centrale (52) dans laquelle débouchent de part et d'autre des tiges filetées (500, 510) à pas opposés, caractérisée par le fait que la direction de la rotation de cette broche de centrage (5) est réversible; et par le fait que les deux tiges filetées (500, 510) présentent des diamètres de noyaux (di, d2) différents, le diamètre de noyau (d2) le plus petit étant tourné vers l'extrémité libre de ladite broche de centrage (5).
2. Broche de centrage selon la revendication 1, caractérisée par le fait que la tige filetée (510) tournée vers l'extrémité libre s'étend jusque dans la région de la gorge périphérique centrale (52), et possède un diamètre de noyau (d2) plus petit que celui de ladite gorge périphérique (52).
3. Broche de centrage selon la revendication 1 ou 2, caractérisée par le fait que cette broche de centrage (5) présente, sur son côté tourné vers l'extrémité libre, un diamètre externe (D2) plus petit que de son côté éloigné de ladite extrémité libre.
EP82102808A 1981-06-02 1982-04-02 Broche de centrage tournante montée en porte-à-faux Expired EP0066058B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3121759 1981-06-02
DE3121759A DE3121759C2 (de) 1981-06-02 1981-06-02 Fliegend gelagerte drehbare Zentrierspindel

Publications (3)

Publication Number Publication Date
EP0066058A2 EP0066058A2 (fr) 1982-12-08
EP0066058A3 EP0066058A3 (en) 1983-01-05
EP0066058B1 true EP0066058B1 (fr) 1984-11-21

Family

ID=6133680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102808A Expired EP0066058B1 (fr) 1981-06-02 1982-04-02 Broche de centrage tournante montée en porte-à-faux

Country Status (10)

Country Link
US (1) US4438624A (fr)
EP (1) EP0066058B1 (fr)
JP (1) JPS57199822A (fr)
CS (1) CS229931B2 (fr)
DE (1) DE3121759C2 (fr)
GB (1) GB2101640B (fr)
HK (1) HK44585A (fr)
IN (1) IN157735B (fr)
MY (1) MY8600114A (fr)
SG (1) SG20985G (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108792809A (zh) * 2018-07-06 2018-11-13 芜湖博康机电有限公司 一种汽车线束压接用自动导向装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140042B (en) * 1983-05-20 1988-06-08 Rieter Ag Maschf Open-end yarn piecer
DE3918946A1 (de) * 1989-06-09 1990-12-13 Schubert & Salzer Maschinen Vorrichtung und verfahren zum anspinnen eines fadens an einer offenend-spinnvorrichtung
US5193332A (en) * 1989-07-04 1993-03-16 Albert Kriegler Spinning or twisting device with a pipe shaped element capable of being subjected to negative pressure
JPH03125763U (fr) * 1990-03-30 1991-12-19
US5393002A (en) * 1990-07-21 1995-02-28 Schubert & Salzer Maschinenfabrik Ag Process and device for the constitution of a yarn end reserve winding on yarn packages of a textile machine
IT1284683B1 (it) * 1996-07-18 1998-05-21 Comoli Fermo S R L Macchina e procedimento per la raccolta in bobine di filati con scambio automatico delle bobine.
ITMI20032003A1 (it) * 2003-10-16 2005-04-17 Savio Macchine Tessili Spa Dispositivo viaggiante di servizio alle unita' di filatura dei filatoi open-end
ITMI20060008A1 (it) * 2006-01-04 2007-07-05 Savio Macchine Tessili Spa Dispositivo posizionatore del bandolo del filo per carrelli di servizio a filatoi open-end
CZ2017798A3 (cs) * 2017-12-13 2019-06-26 Rieter Cz S.R.O. Způsob řízení kompenzátoru rozdílu odtahové a navíjecí rychlosti příze při navíjení příze na cívku na pracovním místě dopřádacího stroje a zařízení k jeho provádění

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
DE1143298B (de) * 1960-03-12 1963-02-07 Gerresheimer Glas Ag Vorrichtung zum Auflegen eines aus thermoplastischem Material zu ziehenden Fadens auf eine Aufwickelspule
NL264951A (fr) * 1960-05-19
NL267608A (fr) * 1960-08-01
DE1267155B (de) * 1961-06-19 1968-04-25 Reiners Walter Dr Ing Vorrichtung zum Vermeiden von Doppelfaeden im Knoter einer automatischen Spulmaschine
US3248063A (en) * 1963-09-12 1966-04-26 Bausch & Lomb Fiber guide
CH417422A (de) * 1964-01-10 1966-07-15 Hamel Edmund Fadenführungs-Einrichtung für Aufwärtszwirnmaschinen
DE1535097B2 (de) * 1965-01-29 1973-06-14 Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal Aufwickelvorrichtung mit einer einrichtung zum bilden von hilfswickeln am anfang des aufwickelvorganges
US3695017A (en) * 1969-03-15 1972-10-03 Daiwa Spinning Co Ltd Automatic yarn piecing apparatus for spindleless spinning machine
US3599416A (en) * 1969-06-09 1971-08-17 Ver Volkseigener Betriebebaumw Method of and apparatus for spinning, doubling and twisting
US3739566A (en) * 1971-07-01 1973-06-19 P Smith Apparatus to produce yarn
US4022011A (en) * 1974-02-13 1977-05-10 Hironori Hirai Yarn piecing method for open-end spinning machine
DE2758064C3 (de) * 1977-12-24 1980-10-16 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Verfahren und Vorrichtung zum Beseitigen einer Unregelmäßigkeit im Faden an einer Spinnstelle einer Offen-End-Spinnvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108792809A (zh) * 2018-07-06 2018-11-13 芜湖博康机电有限公司 一种汽车线束压接用自动导向装置

Also Published As

Publication number Publication date
SG20985G (en) 1985-09-13
US4438624A (en) 1984-03-27
EP0066058A3 (en) 1983-01-05
MY8600114A (en) 1986-12-31
DE3121759C2 (de) 1983-03-17
JPS57199822A (en) 1982-12-07
JPH0214448B2 (fr) 1990-04-09
HK44585A (en) 1985-06-14
IN157735B (fr) 1986-05-31
GB2101640A (en) 1983-01-19
GB2101640B (en) 1984-11-28
DE3121759A1 (de) 1982-12-23
CS229931B2 (en) 1984-07-16
EP0066058A2 (fr) 1982-12-08

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