EP0249029A1 - Device for winding up several threads simultaneously - Google Patents

Device for winding up several threads simultaneously Download PDF

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Publication number
EP0249029A1
EP0249029A1 EP87106624A EP87106624A EP0249029A1 EP 0249029 A1 EP0249029 A1 EP 0249029A1 EP 87106624 A EP87106624 A EP 87106624A EP 87106624 A EP87106624 A EP 87106624A EP 0249029 A1 EP0249029 A1 EP 0249029A1
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EP
European Patent Office
Prior art keywords
thread
thread guide
slots
threads
flap
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
EP87106624A
Other languages
German (de)
French (fr)
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EP0249029B1 (en
Inventor
Claus Matthies
Ernst Vehling
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.)
NEUMAG Neumuenstersche Maschinen und Anlagenbau GmbH
Original Assignee
Neumuenstersche Maschinen und Apparatebau GmbH
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Filing date
Publication date
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Publication of EP0249029A1 publication Critical patent/EP0249029A1/en
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Classifications

    • 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
    • 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
    • B65H57/003—Arrangements for threading or unthreading the guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • 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 invention relates to a device for simultaneous winding of several threads according to the preamble of claim 1.
  • the guide for the thread guide is designed as a swivel bar.
  • the feed thread guides can be moved from the threading position into the feed position without the continuous threads touching the sleeves.
  • the threads are brought into contact with the sleeves by lowering the swivel bar. Since it is extremely difficult to bring the feed thread guides exactly in front of the corresponding catch slots, it is recommended in this publication to first move the threads a little beyond the catch slots and then to lead them back again.
  • each thread is gripped by the associated catch slot, especially since the threads - due to the arrangement of the fixed inlet thread guides - do not run exactly in the planes of the assigned catch slots when they are put on, but rather at an angle. For thicker threads with a total denier of more than about 500 den, it is uncertain whether they will tear in the catch slots of the sleeves.
  • DE-OS 31 36 908 describes a device which is similar to the first-mentioned device in terms of the essential features in the present context.
  • this document also mentions the feature that the inlet thread guides can also be moved and positioned along an overhanging arm. In particular, they can either be brought into a first position, in which they are close together at the end of the arm, or in a second position, in which they are located centrally above the winding units.
  • the invention has for its object to provide with simple means a device of the type specified in the preamble of claim 1, in which the application process takes place exactly and without problems.
  • the auxiliary element according to the invention fulfills a double function: Despite any positional deviations, the thread guide ensures an exact positioning of the threads in front of the catch slots of the individual sleeves.
  • the second function of the auxiliary organ is that with its help the threads to be applied are moved in the direction of the sleeves and brought to bear against the sleeves; pivoting of the guide is therefore unnecessary.
  • the feature of claim 3 facilitates threading into the inlet thread guides and in particular ensures that the threads run exactly in the planes of the catch slots when they are put on.
  • the feature of claim 4 ensures a safe separation after application even with stronger threads.
  • a cantilevered mandrel 2, a drive roller 3 and a traversing device 4 can be seen on a machine housing 1 in a known arrangement.
  • Several sleeves 5a-5d are seated close to one another on the mandrel 2, each of which has a revolving one in the vicinity of the end on the left in FIG Has catch slot.
  • the traversing device 4 has a plurality of traversing thread guides 6.
  • the deflection flap 7 can be folded pneumatically from an approximately vertical basic position into an inclined position shown in FIG. 2.
  • a guide tube 8 for a plurality of feed thread guides 9a-9d is immovably connected obliquely to the machine frame under the spool mandrel 2.
  • the guide tube 8 is provided on its side facing the mandrel 2 with a longitudinal slot 10. Through the longitudinal slot 10, the feed thread guides 9a-9d protrude in an approximately horizontal direction.
  • You are in the interior of the guide tube 8 with a linkage - as described for example in DE-PS 26 27 643 - which enables the thread guide 9a-9d with the help of a handle 11 either in a threading position A or in a position B to bring.
  • the handle 11 In the threading position A, the handle 11 is pulled far out, and the feed thread guides 9a-9d lie - as indicated by broken lines on the right-hand side of FIG.
  • each feed thread guide is located 9a-9d at least approximately in the plane of the catch slot of the associated sleeve 5a-5d, and the handle 11 has the position shown in FIGS. 1 and 3.
  • several inlet thread guides 12a-12d are attached, which can be moved on a stationary guide rail 13 similar to the thread guide 9a-9d parallel to the axis of the bobbin mandrel 2 into a threading position A and a positioning position B;
  • a working position C is provided, in which each thread guide 12a-12d is located exactly above the center of the assigned traversing area.
  • a pneumatic cylinder (not shown), which is coupled to the pneumatics of the deflection flap 7, is provided for displacing the inlet thread guides 12a-12d.
  • a feed flap 14 is provided as a rigid auxiliary element for the exact simultaneous application of several threads 24a-24d. It can be pivoted about the axis of the guide tube 8 from a supply (for application) to an end position (after the application process). In the provision, which is indicated by broken lines in FIG. 6 and provided with the reference symbol 14 ', it is folded up almost vertically. The end position drawn with solid lines in FIG. 6 is almost horizontal, with a slight inclination towards the front.
  • a pneumatic cylinder 15 is accommodated in the guide tube 8 at the end on the housing, to whose piston rod 16 a driver 17 is fastened. On the driver 17 there are bolts 18 which, as can be seen in FIG. 4, engage in oblique grooves 19 of a bushing 20 through recesses in the guide tube 8. This sits rotatably, but cannot be moved in the axial direction, on the guide tube 8.
  • the bush 20 forms a rigid unit with the contact flap 14.
  • the contact flap 14 consists essentially of several levers 21 and a strip-shaped thread guide plate 22 which is screwed onto the levers 21.
  • the thread guide plate 22 is provided with a plurality of thread guide stones 23a-23d, which are fastened in funnel-like recesses.
  • Each thread guide block 23a-23d lies with its slot immovably exactly in the plane of the catch slot of the associated sleeve 5a-5d.
  • the threads 24a-24d coming from a spinning shaft are picked up with a conventional feed injector 25 and inserted into the inlet thread guides 12a-12d.
  • the inlet thread guides 12b-12d are shifted into the feed position B; for the entry guide 12a, the feed position coincides with the threading position.
  • the threads 24a-24d are now guided with the aid of the feed injector 25 between the drive roller 3 and the traversing device 4 from the operating side and are threaded into the feed thread guides 9a-9d.
  • the A bend flap 7 prevents the threads from being caught by the traversing thread guides 6. Because of the laterally offset arrangement of the guide tube 8 relative to the spool mandrel, the threads 24a-24d do not yet touch the sleeves 5a-5d.
  • the thread guides 9b - 9d are shifted into the feed position B.
  • the feed position corresponds to the threading position.
  • the catch slots are not recognizable in FIG. 1, since the corresponding lines coincide exactly with the lines which represent the threads 24a-24d running vertically.
  • the feed flap 14 is pivoted into the end position. Its front edge, on which the thread guide stones 23a - 23d are attached, comes into contact with the threads 24a - "24d. The threads slide over the edges of the funnel-shaped recesses into the slots of the thread guide stones 23a - 23d. Any slight lateral deviations of the thread run from Shortly before the feed flap 14 reaches its end position, the threads are gripped by the catch slots of the sleeves 5a-5d, tear off and are wound up in the area of the catch slots to form a knot wrap pivoted back, and at the same time the inlet thread guides 12 are shifted into the working position C. As a result, each thread begins to move in the direction of the center of the associated traversing area, during which it is automatically gripped by the corresponding traversing thread guide 6. The bobbin build-up begins.
  • the exemplary embodiment illustrated in FIGS. 7-9 essentially differs from the exemplary embodiment described so far by a modified design of the feed flap, specifically by the attachment of a cutting device for multifilament threads for a total titer greater than 500 dtex. However, it is also recommended for a monofilament thread under 500 dtex and for tubes that are used more often, since the latter no longer have their original structure.
  • the feed flap 31 is provided on its front edge with strips protruding at right angles with slide shoes 32 which point (with the feed flap 31 in a vertical position) in the direction of the spool mandrel 2.
  • Thread guide blocks 34 provided with thread guide slots 33 sit in the slide shoes 32.
  • Each thread guide block is movable within a slide shoe 32 along a stroke path and is resiliently supported by a spring 35.
  • two inclined knives 37, 38 are fastened in a holder 36, the shape and size of which corresponds approximately to the slide shoe 32, the cutting edge of which - when looking through the associated thread guide slot 33 in the direction of the pivot axis of the contact flap 31 - cross the stroke of the thread guide block 34 made possible by the spring 35 and together form a V.
  • the flap 31 pivots up to the maximum end position 31 ".
  • the contact flap 41 has a base body 42, on the front edge of which two thread guide plates 43, 44, which are arranged in a mirror-symmetrical manner and have a tubular clamp profile, are fastened. These are provided with thread guide slots 45 on their free edges.
  • the two half-shell-like shapes of the thread guide plates 43, 44 comprise a tube 46 which has a longitudinal slot on the side facing the thread guide slots 45.
  • a rod 47 is guided in the tube 46 and is equipped with obliquely positioned knives 48 in accordance with the number and arrangement of the thread guide slots.
  • the knives 48 protruding through the slot of the tube 46 are covered on both sides by the flat edge strips of the profiled thread guide plates 43, 44.
  • a cap 49 On the protruding end of the tube 46 facing the machine housing is a cap 49, which serves as an abutment for a coil spring 50. This presses with its other end against a thickening of the rod 47, so that it bears against a stop 51 in the position shown in FIGS. 10 and 11 on the operator-side end of the tube 46.
  • a pulling rope 53 is fastened to the end of the rod 47 protruding from the cap 49 by means of a holder 52.
  • This runs over a roller 54, which is mounted on a bracket 55 attached to the feed flap 41, and is guided tangentially from there via a bushing 56 to a cross member 57, which is fixedly connected to the machine frame 1, and is fastened to it with a screw 58.
  • the socket 56 corresponds to the socket 20 mentioned in connection with the first exemplary embodiment.
  • the pulling cable 53 automatically pulls the rod 47 in the direction of the roller 54 when the flap 41 is pivoted in the sense symbolized in FIG. 11 by the arrow 59.
  • the knife 48 thereby moves into the Dashed lines indicated position 48 '. It passes the thread guide slot 45 and cuts the thread therein.
  • the movement of the rod 47 can also take place in another way, e.g. through a pneumatic cylinder. It is then triggered by the flap using a limit switch.

Abstract

Bekannte Aufspulvorrichtungen, bei denen mehrere Spulen nebeneinander auf einem auskragenden Spulendorn sitzen, sind zwecks Erleichterung des gleichzeitigen Anlegens mehrerer Fäden an die einzelnen Hülsen mit Anlegefadenführern ausgestattet, die parallel zum Spulendorn längs einer Führung aus einer am auskragenden Ende des Spulendorns befindlichen Einfädelstellung in eine Anlegestellung verschieblich sind, die der Lage der Fangschlitze der einzelnen Hülsen entspricht. Abweichend vom Stand der Technik, bei dem die Fäden durch Verschwenken dur Führung an den Hülsen zur Anlage gebracht werden, ist erfindungsgemäß ein Hilfsorgan in Form einer mit Fadenführungsschlitzen (23a - 23d) versehenen, in den Fadenlauf einschwenkbaren Anlegeklappe (14) vorgesehen. Diese sorgt trotz etwaiger Lageabweichungen der verschieblichen Anlegefadenführer (9a - 9d) für eine exakte Positionierung der Fäden (24a - 24d) relativ zu den Fangschlitzen der einzelnen Hülsen (5a - 5d).Known winding devices in which a plurality of bobbins sit side by side on a projecting spool are equipped with feed thread guides for the purpose of facilitating the simultaneous application of several threads to the individual tubes are, which corresponds to the position of the catch slots of the individual sleeves. In contrast to the prior art, in which the threads are brought into contact with the sleeves by pivoting by guiding, the invention provides an auxiliary element in the form of a feed flap (14) which can be pivoted into the thread path and is provided with thread guide slots (23a-23d). Despite any positional deviations of the movable thread guide (9a - 9d), this ensures an exact positioning of the threads (24a - 24d) relative to the catch slots of the individual sleeves (5a - 5d).

Description

Die Erfindung betrifft eine Vorrichtung zum gleichzeitigen Aufspulen mehrerer Fäden gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for simultaneous winding of several threads according to the preamble of claim 1.

Bei einer aus der DE-PS 26 27 643 bekannten Vorrichtung dieser Gattung ist die Führung für die Anlegefadenführer als Schwenkbalken ausgebildet. Wenn der Schwenkbalken sich in seiner Grundstellung befindet, können die Anlegefadenführer aus der Einfädelstellung in die Anlegestellung verschoben werden, ohne daß die durchlaufenden Fäden die Hülsen berühren. Durch Absenken des Schwenkbalkens werden die Fäden an den Hülsen zur Anlage gebracht. Da es äußerst schwierig ist, die Anlegefadenführer exakt vor die entsprechenden Fangschlitze zu bringen, wird in dieser Druckschrift empfohlen, die Fäden zunächst ein wenig über die Fangschlitze hinaus zu bewegen und dann wieder zurück zu führen. Trotzdem ist es nicht sicher, daß jeder Faden von dem zugehörigen Fangschlitz erfaßt wird, zumal die Fäden - bedingt durch die Anordnung der ortsfesten Einlauffadenführer - beim Anlegen nicht exakt in den Ebenen der zugeordneten Fangschlitze laufen, sondern schräg. Für stärkere Fäden mit einem Gesamttiter von mehr als etwa 500 den ist es unsicher, ob sie in den Fangschlitzen der Hülsen abreißen.In a device of this type known from DE-PS 26 27 643, the guide for the thread guide is designed as a swivel bar. When the swivel bar is in its basic position, the feed thread guides can be moved from the threading position into the feed position without the continuous threads touching the sleeves. The threads are brought into contact with the sleeves by lowering the swivel bar. Since it is extremely difficult to bring the feed thread guides exactly in front of the corresponding catch slots, it is recommended in this publication to first move the threads a little beyond the catch slots and then to lead them back again. Nevertheless, it is not certain that each thread is gripped by the associated catch slot, especially since the threads - due to the arrangement of the fixed inlet thread guides - do not run exactly in the planes of the assigned catch slots when they are put on, but rather at an angle. For thicker threads with a total denier of more than about 500 den, it is uncertain whether they will tear in the catch slots of the sleeves.

DE-OS 31 36 908 beschreibt eine Vorrichtung, die der zuerst erwähnten Vorrichtung bezüglich der im vorliegenden Zusammenhang wesentlichen Merkmale ähnlich ist. Zusätzlich erwähnt diese Druckschrift auch das Merkmal, daß auch die Einlauffadenführer längs eines auskragenden Arms beweg-und positionierbar sind. Insbesondere können sie wahlweise in eine erste Position gebracht werden, in der sie am Ende des Arms dicht beieinander liegen, oder in eine zweite Position, in der sie sich mittig über den Spulstellen befinden.DE-OS 31 36 908 describes a device which is similar to the first-mentioned device in terms of the essential features in the present context. In addition, this document also mentions the feature that the inlet thread guides can also be moved and positioned along an overhanging arm. In particular, they can either be brought into a first position, in which they are close together at the end of the arm, or in a second position, in which they are located centrally above the winding units.

Der Erfindung liegt die Aufgabe zugrunde, mit einfachen Mitteln eine Vorrichtung der im Oberbegriff des Patentanspruchs 1 angegebenen Gattung zu schaffen, bei der der Anlegevorgang exakt und störungsfrei abläuft.The invention has for its object to provide with simple means a device of the type specified in the preamble of claim 1, in which the application process takes place exactly and without problems.

Diese Aufgabe wird durch die im Kennzeichen des Anspruchs 1 angegebenen Merkmale gelöst. Das erfindungsgemäße Hilfsorgan erfüllt eine Doppelfunktion: Es sorgt trotz etwaiger Lageabweichungen-der Anlegefadenführer für eine exakte Positionierung der Fäden vor den Fangschlitzen der einzelnen Hülsen. Die zweite Funktion des Hilfsorgans besteht darin, daß mit seiner Hilfe die anzulegenden Fäden in Richtung auf die Hülsen verschoben und an den Hülsen zur Anlage gebracht werden; dadurch ist eine Verschwenkung der Führung entbehrlich.This object is achieved by the features specified in the characterizing part of claim 1. The auxiliary element according to the invention fulfills a double function: Despite any positional deviations, the thread guide ensures an exact positioning of the threads in front of the catch slots of the individual sleeves. The second function of the auxiliary organ is that with its help the threads to be applied are moved in the direction of the sleeves and brought to bear against the sleeves; pivoting of the guide is therefore unnecessary.

Ein wegen seiner Einfachheit bevorzugtes Ausführungsbeispiel der Erfindung ist in Anspruch 2 angegeben.A preferred embodiment of the invention because of its simplicity is specified in claim 2.

Durch das Merkmal des Anspruchs 3 wird das Einfädeln in die Einlauffadenführer erleichtert und insbesondere erreicht, daß die Fäden beim Anlegen exakt in den Ebenen der Fangschlitze laufen.The feature of claim 3 facilitates threading into the inlet thread guides and in particular ensures that the threads run exactly in the planes of the catch slots when they are put on.

Das Merkmal des Anspruchs 4 gewährleistet auch bei stärkeren Fäden eine sichere Trennung nach dem Anlegen.The feature of claim 4 ensures a safe separation after application even with stronger threads.

Vorteilhafte Merkmale zweier Ausführungsbeispiele der Vorrichtung gemäß Anspruch 4 sind in Anspruch 5 bzw. in den Ansprüchen 6 bis 8 angegeben.Advantageous features of two embodiments of the device according to claim 4 are specified in claim 5 and in claims 6 to 8.

Die Zeichnung dient zur Erläuterung der Erfindung anhand von vereinfacht dargestellten Ausführungsbeispielen.

  • Figur 1 zeigt eine Seitenansicht einer erfindungsgemäßen Vorrichtung.
  • Figur 2 zeit eine Frontansicht der Vorrichtung gemäß Figur 1.
  • Die Figuren 3 bis 6 zeigen Einzelheiten der Vorrichtung gemäß den Figuren 1 und 2.
  • Die Figuren 7 bis 9 zeigen Einzelheiten eines anderen Ausführungsbeispiels.
  • Die Figuren 10 und 11 zeigen Einzelheiten eines weiteren Ausführungsbeispiels.
The drawing serves to explain the invention on the basis of exemplary embodiments shown in simplified form.
  • Figure 1 shows a side view of a device according to the invention.
  • FIG. 2 shows a front view of the device according to FIG. 1.
  • FIGS. 3 to 6 show details of the device according to FIGS. 1 and 2.
  • Figures 7 to 9 show details of another embodiment.
  • FIGS. 10 and 11 show details of a further exemplary embodiment.

An einem Maschinengehäuse 1 erkennt man in bekannter Anordnung einen auskragenden Spulendorn 2, eine Treibwalze 3 und eine Changiervorrichtung 4. Auf dem Spulendorn 2 sitzen dicht nebeneinander mehrere Hülsen 5a - 5d, von denen jede in der Nähe des in Figur 1 links befindlichen Endes einen umlaufenden Fangschlitz aufweist. Entsprechend der Anzahl der Hülsen 5a - 5d hat die Changiereinrichtung 4 mehrere Changierfadenführer 6. über der Changiereinrichtung 4 befindet sich eine schmale Ablenkklappe 7, die sich über die ganze Länge erstreckt. Die Ablenkklappe 7 läßt sich pneumatisch aus einer etwa senkrechten Grundstellung in eine in Fig. 2 gezeigte geneigte Stellung klappen.A cantilevered mandrel 2, a drive roller 3 and a traversing device 4 can be seen on a machine housing 1 in a known arrangement. Several sleeves 5a-5d are seated close to one another on the mandrel 2, each of which has a revolving one in the vicinity of the end on the left in FIG Has catch slot. Depending on the number of sleeves 5a-5d, the traversing device 4 has a plurality of traversing thread guides 6. Above the traversing device 4 there is a narrow deflection flap 7, which extends over the entire length. The deflection flap 7 can be folded pneumatically from an approximately vertical basic position into an inclined position shown in FIG. 2.

Ein Führungsrohr 8 für mehrere Anlegefadenführer 9a - 9d ist schräg unter dem Spulendorn 2 unbeweglich mit dem Maschinengestell verbunden. Das Führungsrohr 8 ist auf seiner dem Spulendorn 2 zugekehrten Seite mit einem Längsschlitz 10 versehen. Durch den Längsschlitz 10 ragen in annähernd waagerechter Richtung die Anlegefadenführer 9a - 9d heraus. Sie sind im Inneren des Führungsrohres 8 mit einem Gestänge - wie z.B. in der DE-PS 26 27 643 beschrieben - verbunden, welches es ermöglicht, die Anlegefadenführer 9a -9d mit Hilfe eines Griffes 11 wahlweise in eine Einfädelstellung A oder in eine Anlegestellung B zu bringen. In der Einfädelstellung A ist der Griff 11 weit heraus gezogen, und die Anlegefadenführer 9a - 9d liegen - wie an der rechten Seite der Figur 3 mit unterbrochenen Linien angedeutet - dicht beieinander am auskragenden Ende des Führungsrohres 8. In der Anlegestellung B befindet sich jeder Anlegefadenführer 9a - 9d zumindest annähernd in der Ebene des Fangschlitzes der zugeordneten Hülse 5a - 5d, und der Griff 11 hat die in den Figuren 1 und 3 dargestellten Position. i Mit Abstand über dem Maschinengestell 1 sind mehrere Einlauffadenführer 12a - 12d angebracht, die an einer ortsfesten Führungsschiene 13 ähnlich wie die Anlegefadenführer 9a - 9d parallel zur Achse des Spulendorns 2 wahlweise in eine Einfädelstellung A und eine Anlegestellung B verschieblich sind; zusätzlich ist noch eine Arbeitsstellung C vorgesehen, in der jeder Einlauffadenführer 12a - 12d sich genau über der Mitte des zugeordneten Changierbereichs befindet. Zur Verschiebung der Einlauffadenführer 12a - 12d ist ein nicht dargestellter Pneumatikzylinder vorgesehen, der mit der Pneumatik der Ablenkklappe 7 gekoppelt ist.A guide tube 8 for a plurality of feed thread guides 9a-9d is immovably connected obliquely to the machine frame under the spool mandrel 2. The guide tube 8 is provided on its side facing the mandrel 2 with a longitudinal slot 10. Through the longitudinal slot 10, the feed thread guides 9a-9d protrude in an approximately horizontal direction. You are in the interior of the guide tube 8 with a linkage - as described for example in DE-PS 26 27 643 - which enables the thread guide 9a-9d with the help of a handle 11 either in a threading position A or in a position B to bring. In the threading position A, the handle 11 is pulled far out, and the feed thread guides 9a-9d lie - as indicated by broken lines on the right-hand side of FIG. 3 - close together at the projecting end of the guide tube 8. In the feed position B, each feed thread guide is located 9a-9d at least approximately in the plane of the catch slot of the associated sleeve 5a-5d, and the handle 11 has the position shown in FIGS. 1 and 3. i At a distance above the machine frame 1, several inlet thread guides 12a-12d are attached, which can be moved on a stationary guide rail 13 similar to the thread guide 9a-9d parallel to the axis of the bobbin mandrel 2 into a threading position A and a positioning position B; In addition, a working position C is provided, in which each thread guide 12a-12d is located exactly above the center of the assigned traversing area. A pneumatic cylinder (not shown), which is coupled to the pneumatics of the deflection flap 7, is provided for displacing the inlet thread guides 12a-12d.

Als in sich starres Hilfsorgan zum exakten gleichzeitigen Anlegen mehrerer Fäden 24a - 24d ist erfindungsgemäß eine Anlegeklappe 14 vorgesehen. Sie ist um die Achse des Führungsrohres 8 aus einer Bereitstellung (zum Anlegen) in eine Endstellung (nach dem Anlegevorgang) schwenkbar. In der Bereitstellung, die in Figur 6 mit unterbrochenen Linien angedeutet und mit dem Bezugszeichen 14' versehen ist, ist sie nahezu senkrecht nach oben geklappt. Die in Figur 6 mit durchgezogenen Linien gezeichnete Endstellung ist nahezu waagerecht, mit leichter Neigung nach vorne. Zur Verschwenkung der Anlegeklappe 14 ist in dem Führungsrohr 8 am gehäuseseitigen Ende ein Pneumatikzylinder 15 untergebracht, an dessen Kolbenstange 16 ein Mitnehmer 17 befestigt ist. Auf dem Mitnehmer 17 sitzen Bolzen 18, die, wie aus Figur 4 ersichtlich, durch Ausnehmungen des Führungsrohres 8 in Schrägnuten 19 einer Buchse 20 eingreifen. Diese sitzt verdrehbar, aber in Achsrichtung unverschieblich, auf dem Führungsrohr 8. Die Buchse 20 bildet mit der Anlegeklappe 14 eine starre Einheit.According to the invention, a feed flap 14 is provided as a rigid auxiliary element for the exact simultaneous application of several threads 24a-24d. It can be pivoted about the axis of the guide tube 8 from a supply (for application) to an end position (after the application process). In the provision, which is indicated by broken lines in FIG. 6 and provided with the reference symbol 14 ', it is folded up almost vertically. The end position drawn with solid lines in FIG. 6 is almost horizontal, with a slight inclination towards the front. In order to pivot the contact flap 14, a pneumatic cylinder 15 is accommodated in the guide tube 8 at the end on the housing, to whose piston rod 16 a driver 17 is fastened. On the driver 17 there are bolts 18 which, as can be seen in FIG. 4, engage in oblique grooves 19 of a bushing 20 through recesses in the guide tube 8. This sits rotatably, but cannot be moved in the axial direction, on the guide tube 8. The bush 20 forms a rigid unit with the contact flap 14.

Die Anlageklappe 14 besteht im wesentlichen aus mehreren Hebeln 21 und einem streifenförmigen Fadenführerblech 22, das an den Hebeln 21 festgeschraubt ist. An seiner Vorderkante ist das Fadenführerblech 22 mit mehreren Fadenführungssteinen 23a - 23d versehen, die in trichterähnlichen Ausnehmungen befestigt sind. Jeder Fadenführungsstein 23a - 23d liegt mit seinem Schlitz unverrückbar exakt in der Ebene des Fangschlitzes der zugeordneten Hülse 5a - 5d.The contact flap 14 consists essentially of several levers 21 and a strip-shaped thread guide plate 22 which is screwed onto the levers 21. At its front edge, the thread guide plate 22 is provided with a plurality of thread guide stones 23a-23d, which are fastened in funnel-like recesses. Each thread guide block 23a-23d lies with its slot immovably exactly in the plane of the catch slot of the associated sleeve 5a-5d.

Das Anlegen der Fäden 24a - 24d erfolgt bei der beschriebenen Vorrichtung folgendermaßen:

  • Auf den Spulendorn 2 wird die vorgesehene Anzahl von Hülsen 5a - 5d - im vorliegenden Fall vier - aufgesteckt. Der Antriebsmotor wird eingeschaltet und die Treibwalze 3 bis zum Kontakt mit den Hülsen 5 abgesenkt. Die über der Maschine angeordneten Einlauffadenführer 12a - 12d werden ebenso wie die Anlegefadenführer 9a - 9d in die Einfädelstellung A gebracht. Die Ablenkklappe 7 wird aus der senkrechten Grundstellung in die in Figur 2 dargestellte Ablenkstellung umgelegt. Die Anlegeklappe 14 wird in die nahezu senkrechte Bereitstellung 14' geschwenkt.
In the device described, the threads 24a-24d are applied as follows:
  • The envisaged number of sleeves 5a - 5d - in the present case four - is slipped onto the mandrel 2. The drive motor is switched on and the drive roller 3 is lowered until it comes into contact with the sleeves 5. The inlet thread guides 12a-12d arranged above the machine are brought into the threading position A, just like the thread guide 9a-9d. The deflection flap 7 is folded over from the vertical basic position into the deflection position shown in FIG. The flap 14 is pivoted into the almost vertical provision 14 '.

Die von einem nicht dargestellen Spinnschacht kommenden Fäden 24a - 24d werden mit einem üblichen Anlegeinjektor 25 aufgenommen und in die Einlauffadenführer 12a - 12d eingelegt. Die Einlauffadenführer 12b - 12d werden in die Anlegestellung B verschoben; für den Einlauffandenführer 12a stimmt die Anlegestellung mit der Einfädelstellung überein. Die Fäden 24a - 24d werden nun mit Hilfe des Anlegeinjektors 25 zwischen Treibwalze 3 und Changiereinrichtung 4 von der Bedienungsseite her hindurch geführt und in die Anlegefadenführer 9a - 9d eingefädelt. Dabei verhindert die Ablenkklappe 7, daß die Fäden von den Changierfadenführern 6 erfaßt werden. Wegen der gegenüber der Spulendornachse seitlich versetzen Anordnung des Führungsrohrs 8 berühren die Fäden 24a - 24d die Hülsen 5a -5d zunächst noch nicht. Nun werden die Fadenführer 9b - 9d in die Anlegestellung B verschoben. Für den Anlegefadenführer 9a stimmt die Anlegestellung mit der Einfädelstellung überein. Danach laufen die Fäden -abgesehen von etwaigen geringen Ungenauigkeiten bei der Positionierung der Fadenführer 9b - 9d - schon in den Ebenen der Fangschlitze der Hülsen 5a - 5d. In Figur 1 sind die Fangschlitze nicht erkennbar, da sich die entsprechenden Linien genau mit den Linien decken, die die senkrecht laufenden Fäden 24a - 24d darstellen.The threads 24a-24d coming from a spinning shaft (not shown) are picked up with a conventional feed injector 25 and inserted into the inlet thread guides 12a-12d. The inlet thread guides 12b-12d are shifted into the feed position B; for the entry guide 12a, the feed position coincides with the threading position. The threads 24a-24d are now guided with the aid of the feed injector 25 between the drive roller 3 and the traversing device 4 from the operating side and are threaded into the feed thread guides 9a-9d. The A bend flap 7 prevents the threads from being caught by the traversing thread guides 6. Because of the laterally offset arrangement of the guide tube 8 relative to the spool mandrel, the threads 24a-24d do not yet touch the sleeves 5a-5d. Now the thread guides 9b - 9d are shifted into the feed position B. For the feed thread guide 9a, the feed position corresponds to the threading position. After that, the threads - apart from any slight inaccuracies in the positioning of the thread guides 9b - 9d - already run in the planes of the catch slots of the sleeves 5a - 5d. The catch slots are not recognizable in FIG. 1, since the corresponding lines coincide exactly with the lines which represent the threads 24a-24d running vertically.

Jetzt wird die Anlegeklappe 14 bis in die Endstellung geschwenkt. Ihre Vorderkante, an der die Fadenführungssteine 23a - 23d angebracht sind, kommt mit den Fäden 24a - " 24d in Berührung. Dabei gleiten die Fäden über die Kanten der trichterförmigen Ausnehmungen in die Schlitze der Fadenführungssteine 23a - 23d. Etwaige geringe seitliche Abweichungen des Fadenlaufs von der vorgeschriebenen Lage werden dadurch korrigiert. Kurz bevor die Anlegeklappe 14 ihre Endstellung erreicht, werden die Fäden von den Fangschlitzen der Hülsen 5a - 5d erfaßt, reißen ab und werden im Bereich der Fangschlitze zu einem Anknotwickel aufgespult. Nun wird die Ablenkklappe 7 in die Grundstellung zurück geschwenkt, und gleichzeitig werden die Einlauffadenführer 12 in die Arbeitsstellung C verschoben. Dadurch beginnt jeder Faden, sich in Richtung auf die Mitte des zugehörigen Changierbereiches zu bewegen. Dabei wird er selbsttätig von dem entsprechenden Changierfadenführer 6 erfaßt. Der Spulenaufbau beginnt.Now the feed flap 14 is pivoted into the end position. Its front edge, on which the thread guide stones 23a - 23d are attached, comes into contact with the threads 24a - "24d. The threads slide over the edges of the funnel-shaped recesses into the slots of the thread guide stones 23a - 23d. Any slight lateral deviations of the thread run from Shortly before the feed flap 14 reaches its end position, the threads are gripped by the catch slots of the sleeves 5a-5d, tear off and are wound up in the area of the catch slots to form a knot wrap pivoted back, and at the same time the inlet thread guides 12 are shifted into the working position C. As a result, each thread begins to move in the direction of the center of the associated traversing area, during which it is automatically gripped by the corresponding traversing thread guide 6. The bobbin build-up begins.

Von dem bisher beschriebenen Ausführungsbeispiel unterscheidet sich das in den Figuren 7 - 9 veranschaulichte Ausführungsbeispiel im wesentlichen durch eine geänderte Ausbildung der Anlegeklappe, und zwar durch den Anbau einer Schneideinrichtung für multifile Fäden für einen größeren Gesamttiter als 500 dtex. Sie ist aber auch für einen monofilen Faden unter 500 dtex und für öfter benutzte Hülsen zu empfehlen, da bei letzteren die Fangschlitze nicht mehr ihre ursprüngliche Struktur besitzen.The exemplary embodiment illustrated in FIGS. 7-9 essentially differs from the exemplary embodiment described so far by a modified design of the feed flap, specifically by the attachment of a cutting device for multifilament threads for a total titer greater than 500 dtex. However, it is also recommended for a monofilament thread under 500 dtex and for tubes that are used more often, since the latter no longer have their original structure.

Die Anlegeklappe 31 ist an ihrer Vorderkante mit rechtwinklig vorstehenden Leisten mit Gleitschuhen 32 versehen, die (bei senkrechter Stellung der Anlegeklappe 31) in Richtung auf den Spulendorn 2 zeigen. In den Gleitschuhen 32 sitzen mit Fadenführunsschlitzen 33 versehene Fadenführersteine 34. Jeder Fadenführerstein ist innerhalb'seines Gleitschuhs 32 längs eines Hubwegs beweglich und durch eine Feder 35 nachgiebig abgestützt. Wenig unterhalb eines jeden Gleitschuhs 32 sind in einer Halterung 36, deren Form und Größe etwa dem Gleitschuh 32 entspricht, zwei schräg stehende Messer 37, 38 befestigt, deren Schneide - bei Blickrichtung durch den zugeordneten Fadenführungsschlitz 33 in Richtung auf die Schwenkachse der Anlegeklappe 31 - den durch die Feder 35 ermöglichten Hubweg des Fadenführersteins 34 kreuzen und gemeinsam ein V bilden.The feed flap 31 is provided on its front edge with strips protruding at right angles with slide shoes 32 which point (with the feed flap 31 in a vertical position) in the direction of the spool mandrel 2. Thread guide blocks 34 provided with thread guide slots 33 sit in the slide shoes 32. Each thread guide block is movable within a slide shoe 32 along a stroke path and is resiliently supported by a spring 35. A little below each slide shoe 32, two inclined knives 37, 38 are fastened in a holder 36, the shape and size of which corresponds approximately to the slide shoe 32, the cutting edge of which - when looking through the associated thread guide slot 33 in the direction of the pivot axis of the contact flap 31 - cross the stroke of the thread guide block 34 made possible by the spring 35 and together form a V.

Beim Einschwenken der Anlegeklappe 31 aus der annähernd senkrechten Grundstellung in die in Figur 7 mit unterbrochenen Linien gezeichnete Stellung 31' werden die Fäden 24 von den Fadenführungsschlitzen 33 erfaßt, exakt geführt und in die Fangschlitze der Hülsen 5 eingelegt, die in der durch den Pfeil 39 symbolisierten Richtung rotieren. Beim Einlegen in die Fangschlitze der Hülsen 5 steigt die Zugkraft plötzlich an. Dadurch werde die Fadenführersteine 34 gegen die Rückstellkraft der Federn 35 zurück geschoben. Die Fäden gelangen an die Schneiden der Messer 37, 38 und werden abgeschnitten.When the feed flap 31 is swiveled in from the approximately vertical basic position into the position 31 'drawn with broken lines in FIG. 7, the threads 24 are gripped by the thread guide slots 33, guided exactly and inserted into the catch slots of the sleeves 5, which are shown in the arrow 39 symbolized direction rotate. When inserted into the catch slots of the sleeves 5, the tensile force suddenly increases. As a result, the thread guide stones 34 are pushed back against the restoring force of the springs 35. The threads reach the cutting edges of the knives 37, 38 and are cut off.

Die Klappe 31 schwenkt dabei bis in die maximale Endstellung 31".The flap 31 pivots up to the maximum end position 31 ".

Bei dem Ausführungsbeispiel gemäß den Figuren 10 und 11 hat die Anlegeklappe 41 einen Grundkörper 42, an dessen Vorderkante zwei zueinander spiegelsymmetrisch angeordnete, rohrschellenartig profilierte Fadenführerbleche 43, 44 befestigt sind. Diese sind an ihren freien Kanten mit Fadenführungsschlitzen 45 versehen. Die beiden halbschalenartigen Ausformungen der Fadenführerbleche 43, 44 umfassen ein Rohr 46, das an der den Fadenführungsschlitzen 45 zugekehrten Seite einen Längsschlitz aufweist. In dem Rohr 46 ist eine Stange 47 geführt, die entsprechend der Anzahl und Anordnung der Fadenführungsschlitze mit schräg gestellten Messern 48 bestückt ist. Die durch den Schlitz des Rohres 46 herausragenden Messer 48 sind beidseitig durch die flachen Randstreifen der profilierten Fadenführerbleche 43, 44 abgedeckt. Auf dem dem Maschinengehäuse zugekehrten vorstehenden Ende des Rohres 46 sitzt eine Uberwurfkappe 49, die als Widerlager für eine Schraubenfeder 50 dient. Diese drückt mit ihrem anderen Ende gegen eine Verdickung der Stange 47, so daß diese bei der in den Figuren 10 und 11 gezeichneten Stellung am bedienungsseitigen Ende des Rohres 46 an einem Anschlag 51 anliegt. An dem aus der überwurfkappe 49 herausragenden Ende der Stange 47 ist mittels eines Halters 52 ein Zugseil 53 befestigt. Dieses läuft über eine Rolle 54, die auf einem an der Anlegeklappe 41 befestigten Ausleger 55 gelagert ist, und ist von dort tangential über eine Buchse 56 zu einer fest mit dem Maschinengestell 1 verbundenen Traverse 57 geführt und daran mit einer Schraube 58 befestigt. Die Buchse 56 entspricht der im Zusammenhang mit dem ersten Ausführungsbeispiel erwähnten Buchse 20.In the exemplary embodiment according to FIGS. 10 and 11, the contact flap 41 has a base body 42, on the front edge of which two thread guide plates 43, 44, which are arranged in a mirror-symmetrical manner and have a tubular clamp profile, are fastened. These are provided with thread guide slots 45 on their free edges. The two half-shell-like shapes of the thread guide plates 43, 44 comprise a tube 46 which has a longitudinal slot on the side facing the thread guide slots 45. A rod 47 is guided in the tube 46 and is equipped with obliquely positioned knives 48 in accordance with the number and arrangement of the thread guide slots. The knives 48 protruding through the slot of the tube 46 are covered on both sides by the flat edge strips of the profiled thread guide plates 43, 44. On the protruding end of the tube 46 facing the machine housing is a cap 49, which serves as an abutment for a coil spring 50. This presses with its other end against a thickening of the rod 47, so that it bears against a stop 51 in the position shown in FIGS. 10 and 11 on the operator-side end of the tube 46. A pulling rope 53 is fastened to the end of the rod 47 protruding from the cap 49 by means of a holder 52. This runs over a roller 54, which is mounted on a bracket 55 attached to the feed flap 41, and is guided tangentially from there via a bushing 56 to a cross member 57, which is fixedly connected to the machine frame 1, and is fastened to it with a screw 58. The socket 56 corresponds to the socket 20 mentioned in connection with the first exemplary embodiment.

Bei dem in den Figuren 10 und 11 veranschaulichten Ausführungsbeispiel zieht das Zugseil 53 beim Schwenken der legeklappe 41 in dem in Figur 11 durch den Pfeil 59 sympolisierten Sinn die Stange 47 selbsttätig in Richtung auf die Rolle 54. Dabei bewegt sich das Messer 48 in die mit strichpunktierten Linien angedeutete Lage 48'. Dabei passiert es den Fadenführungsschlitz 45 und zerschneidet den darin liegenden Faden.In the exemplary embodiment illustrated in FIGS. 10 and 11, the pulling cable 53 automatically pulls the rod 47 in the direction of the roller 54 when the flap 41 is pivoted in the sense symbolized in FIG. 11 by the arrow 59. The knife 48 thereby moves into the Dashed lines indicated position 48 '. It passes the thread guide slot 45 and cuts the thread therein.

Anstelle des Zugseiles 53 kann die Bewegung der Stange 47 auch auf andere Weise erfolgen, z.B. durch einen Pneumatikzylinder. Die Auslösung erfolgt dann durch die Klappe über einen Endschalter.Instead of the pull rope 53, the movement of the rod 47 can also take place in another way, e.g. through a pneumatic cylinder. It is then triggered by the flap using a limit switch.

Claims (8)

1. Vorrichtung zum gleichzeitigen Aufspulen mehrerer Fäden mit einem Maschinengehäuse, mit einem auskragenden Spulendorn für mehrere mit Fangschlibzen versehenen Hülsen, mit Einlauffadenführern, die mit Abstand über dem Maschinengehäuse angeordnet sind, mit einer neben dem Spulendorn angeordneten Changiereinrichtung mit Changierfadenführern für die einzelnen Hülsen, und mit Anlegefadenführern, die auf einer zum Spulendorn parallelen Führung wahlweise in eine am freien Ende des Spulendosns befindliche Einfädelstellung oder in eine der Lage der Fangschlitze der einzelnen Hülsen wenigstens annähernc entsprechende Anlegestellung verschieblich sind, dadurch gekennzeichnet, daß an einer zur Achse des Spulendorns (2) parallelen, in den Fadenlauf hinein bewegbaren Kante eines Hilfsorgans (Anlegeklappe 14) Fadenführungsschlitze 23; 33; 45) angeordnet sind, deren Lage exakt mit der Lage der Fangschlitze übereinstimmt. 1. Device for simultaneous winding of several threads with a machine housing, with a cantilevered mandrel for several sleeves provided with catches, with infeed thread guides that are spaced above the machine housing, with a traversing device arranged next to the spool with traversing thread guides for the individual sleeves, and with feed thread guides which can be moved on a guide parallel to the spool, either in a threading position located at the free end of the spool end or in an application position at least approximately corresponding to the position of the catch slots of the individual sleeves, characterized in that on an edge of an auxiliary element (contact flap 14) parallel to the axis of the spool mandrel (2) and movable into the thread run, thread guide slots 23; 33; 45) are arranged, the position of which corresponds exactly to the position of the catch slots. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Hilfsorgan als Anlegeklappe (14; 31; 41) ausgebildet ist, die um eine zur Achse des Spulendorns (2) parallele Achse verschwenkbar ist.2. Device according to claim 1, characterized in that the auxiliary member is designed as a contact flap (14; 31; 41) which is pivotable about an axis parallel to the axis of the spool mandrel (2). 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß auch die Einlauffadenführer (12) in eine Einfädelstellung und in eine Anlegestellung verschieblich sind.3. Device according to claim 1 or 2, characterized in that the inlet thread guides (12) are displaceable in a threading position and in a contact position. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß neben den Fadenführungsschlitzen (33; 45) Messer (37; 38; 48) angeordnet sind.4. Device according to one of claims 1 to 3, characterized in that in addition to the thread guide slots (33; 45) knives (37; 38; 48) are arranged. 5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Fadenführungsschlitze (33) in nachgiebig gelagerten Fadenführersteinen (34) angebracht sind und das bei 'jedem Fadenführerstein (34) mindestens ein Messer (37, 38) angeordnet ist, dessen Schneide den Hubweg des Fadenführersteins (34) kreuzt.5. The device according to claim 4, characterized in that the thread guide slots (33) in resiliently mounted thread guide stones (34) are attached and that at 'each thread guide stone (34) at least one knife (37, 38) is arranged, the cutting edge of the stroke of Thread guide stone (34) crosses. 6. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß Messer (48) auf einer Stange (47) sitzen, die parallel zu der mit Fadenführungsschlitzen (45) versehenen Kante angeordnet und in Richtung ihrer Achse hin und her beweglich ist.6. The device according to claim 4, characterized in that knives (48) sit on a rod (47) which is arranged parallel to the edge provided with thread guide slots (45) and is movable back and forth in the direction of its axis. 7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Bewegung der Stange (47) durch ein Zugseil (53) mit der Schwenkbewegung der Anlegeklappe (41) gekoppelt ist.7. The device according to claim 6, characterized in that the movement of the rod (47) by a pull cable (53) with the pivoting movement of the flap (41) is coupled. 8. Vorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Messer (48) beidseitig durch Fadenführungsbleche (43, 44) abgeschirmt sind.8. Apparatus according to claim 6 or 7, characterized in that the knives (48) are shielded on both sides by thread guide plates (43, 44).
EP87106624A 1986-06-07 1987-05-07 Device for winding up several threads simultaneously Expired - Lifetime EP0249029B1 (en)

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DE19863619286 DE3619286A1 (en) 1986-06-07 1986-06-07 DEVICE FOR SIMULTANEOUSLY REWINDING SEVERAL THREADS
DE3619286 1986-06-07

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EP0249029A1 true EP0249029A1 (en) 1987-12-16
EP0249029B1 EP0249029B1 (en) 1990-02-07

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US10364796B2 (en) 2013-09-17 2019-07-30 Vestas Wind Systems A/S Control method for a wind turbine

Also Published As

Publication number Publication date
JPH0244744B2 (en) 1990-10-05
JPS62290681A (en) 1987-12-17
US4784342A (en) 1988-11-15
DE3761654D1 (en) 1990-03-15
EP0249029B1 (en) 1990-02-07
DE3619286A1 (en) 1987-12-10

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