EP0837022B1 - Reciprocating thread guide for winding machines with helical threaded shaft having an endless threaded groove - Google Patents

Reciprocating thread guide for winding machines with helical threaded shaft having an endless threaded groove Download PDF

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Publication number
EP0837022B1
EP0837022B1 EP97116948A EP97116948A EP0837022B1 EP 0837022 B1 EP0837022 B1 EP 0837022B1 EP 97116948 A EP97116948 A EP 97116948A EP 97116948 A EP97116948 A EP 97116948A EP 0837022 B1 EP0837022 B1 EP 0837022B1
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EP
European Patent Office
Prior art keywords
guide
groove
screwthread
main body
yarn guide
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
EP97116948A
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German (de)
French (fr)
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EP0837022A3 (en
EP0837022A2 (en
Inventor
Winfried Pöppinghaus
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Georg Sahm GmbH and Co KG
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Georg Sahm GmbH and Co KG
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Publication date
Application filed by Georg Sahm GmbH and Co KG filed Critical Georg Sahm GmbH and Co KG
Publication of EP0837022A2 publication Critical patent/EP0837022A2/en
Publication of EP0837022A3 publication Critical patent/EP0837022A3/en
Application granted granted Critical
Publication of EP0837022B1 publication Critical patent/EP0837022B1/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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2806—Traversing devices driven by cam
    • B65H54/2809—Traversing devices driven by cam rotating grooved cam
    • B65H54/2812—Traversing devices driven by cam rotating grooved cam with a traversing guide running in the groove
    • 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
    • B65H57/006—Traversing guides
    • 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 traversing thread guide for winding machines with an endless thread groove having a reverse thread shaft, with a body that is straight on two guide rails is guided back and forth on the one hand
  • Thread guide carries and on the other hand one in the thread groove of the Reverse thread shaft protruding guide approach, and with a pivotally mounted on the base body and in the thread groove the shuttle thread engaging boat, the one in Compared to the height of the thread groove, the height is significantly lower having.
  • Traversing thread guides are an integral part of Thread tails with a reversible thread shaft, especially high-speed thread tails.
  • a traversing thread guide of the type described at the outset is out DE-OS 18 09 662 known.
  • the traversing thread guide owns a base body, which is the largest width in two U-shaped trained guide grooves engage in guide rails, so that it is guided back and forth there.
  • the basic body does not come with the outer diameter of the reverse thread shaft in contact.
  • the base body carries the reverse thread shaft a thread guide into which the one to be laid ends Thread is hooked.
  • the basic body of the traversing thread guide has a guiding approach that leads into the endless thread groove of the Reverse thread shaft protrudes. This leadership approach is one-sided eccentric to the radial to the reverse thread shaft extending axis of the base body of the traversing thread guide arranged.
  • the guide approach has a height that is half Depth of the thread groove corresponds to the reverse thread shaft.
  • the A shuttle is assigned to the main body of the traversing thread guide, which has a hull-like shape and itself about the other half height of the thread groove of the reverse thread shaft extends.
  • This boat is also with its outer contour adapted to the width of the thread groove. It is eccentric arranged to the axis of the traversing thread guide, there being a Has axis of rotation, which is inserted into a bore of the base body is, so that the shuttle is opposite the Base body can twist as it interacts with its rotatingly driven reverse thread shaft required is.
  • Both the shuttle and the leadership approach of the The traversing thread guide engages in the thread groove of the reverse thread shaft and lead on the side walls of this thread groove.
  • Set the side walls of the thread groove of the reverse thread shaft not a flat surface, but a helical shape curved surface.
  • a linear or flat contact between the guide approach of the base body and the shuttle on the one hand and the side walls of the thread groove on the other achieve is a complicated shape in these two addressed areas required.
  • the pointed shape of the guide approach is based on the pitch of the thread groove the reverse thread shaft matched, so that such traversing thread guide only for a certain fixed slope of the Thread groove of a reverse thread shaft can be used.
  • a traversing thread guide is known from DE 37 21 139 C2 consists of several parts. The division is between one Carriage and a boat body performed, the Shuttle body not only fills the height of the thread groove, but also has a bolt-like support, which engages in a corresponding hole in the carriage, so that at this point the swiveling outside of the thread groove The parts are connected.
  • the sled itself owns U-shaped grooves engage in the guide rails so that the Traversing thread guide guided here back and forth in a straight line becomes.
  • On the carrier of the shuttle body is a guide lug provided, which can have a cylindrical shape and into which Thread groove of the reverse thread shaft protrudes.
  • the actual shuttle body is realized with head pieces, not only on the side walls of the thread groove, but also at the bottom of the thread groove.
  • the headers can be designed to be resilient in relation to the guide attachment in order to Adaptation to the reversing radii at the reversal points of the thread groove to achieve.
  • This known traversing thread guide has one relatively large mass, which at most reduces it can be that the bow-like tips of the boat-like Headpieces can be removed or omitted.
  • the headers have to the flat system on the side wall and the A relatively complicated shape due to the thread groove exhibit.
  • the head pieces forming the boat extend over the entire height of the thread groove.
  • traversing thread guides known, in which the Basic body consists of a molded plastic part that with a thread guide designed as a ceramic part is firmly connected.
  • the base body is provided with a guide pastille that forms two pairs of parallel guide surfaces to pivot of the base body at the reversal of the thread groove allow the reverse thread shaft relative to the guide rails.
  • the basic body of the traversing thread guide is already here advantageous between the outer diameter of the reverse thread shaft and the guide rails. That assigned to the basic body
  • the boat is corresponding to the cross section of the thread groove adjusted little game.
  • This traverse guide already has a relatively lower mass, so that it for High-speed thread tails appear more suitable.
  • the arrangement of the guide lozenge also requires again a certain size with appropriate mass.
  • the invention is based, in particular for High speed thread tails suitable traversing thread guide to create a comparatively smaller and Lighter design enables and regardless of the slope the thread groove of the reverse thread shaft can be used.
  • this is the case with a traversing thread guide described type achieved in that the leadership approach the base body has the shape of a cylindrical bolt, which is arranged coaxially to the axis of the base body and with little play is adapted to the cross-sectional shape of the thread groove, and that the boat is largely hollow and in an outer groove of the bolt is pivotally mounted.
  • the invention is based on the idea of the functions of Individual parts of the traversing thread guide clearly from each other separate.
  • the guiding approach of the base body is in the form of a cylindrical bolt realized, so its outer circumference is cylindrical and with little play of the cross-sectional shape the thread groove is adapted.
  • the boat is the only part which pivots relative to the axis of the traversing thread guide executes as they go through the reversals the thread groove of the reverse thread shaft occurs.
  • the mass of this The shuttle is kept optimally small, in that the height of the boat is only a fraction of the height of the Makes thread groove and the entire boat largely "hollow" is designed.
  • the The boat consist of a bent wire part.
  • the boat is in an external groove of the bolt pivotally inserted.
  • the design of the revolving External groove on the pin is on the pivoting bearing of the boat matched to the bolt.
  • the training can also be taken so that the boat in the area of Outer groove of the bolt by a small amount compared to the outer diameter of the bolt protrudes, so that even in this area the boat takes on leadership function and through leadership points the linear support of the bolt on the Side walls of the thread groove replaced.
  • the shuttle of the traversing thread guide can at least in the Contact areas to the side walls of the thread groove below Training of leadership points should be rounded off. With that the desired point contact system reached and the screw-like curvature of the side walls of the thread groove optimally taken into account. The boat itself receives one optimally low mass.
  • the basic body of the traversing thread guide can be between the Outside diameter of the reverse thread shaft and the guide rails have its greatest width and in the direction of the thread guide wear a strip-shaped approach that is only two parallel guide surfaces for contact with the guide rails forms.
  • the boat should be symmetrical to the axis of the body be formed or at least four symmetrical to the axis of the base body have arranged guide points. This results in good guidance of the boat in the thread groove of the Reverse thread shaft, and it doesn't matter whether the shuttle is at its use in the reverse thread shaft pivoted by 180 ° is introduced or not.
  • the boat can be crowned Have an outer contour. This training is particularly useful around the boat relatively regardless of the size of the turning radii to make the reverse thread shaft. With different Reverse thread shafts with different turning radii are formed the guide points only on this spherical outer contour different places.
  • the base body can be hollow. This contributes to one further weight reduction without the swiveling Storage of the boat on the bolt of the base body in is adversely affected.
  • the traversing thread guide 1 has a base body 2 which is preferably produced as a molded plastic part.
  • the actual thread guide 3 which is preferably is designed as a ceramic molded part and in particular 2 apparent form, embedded or with the base body 2 firmly connected.
  • the base body 2 has in its central part has a collar 4 in which the base body 2 has its greatest width (Fig. 1).
  • the traversing thread guide 1 is between two guide rails 5 and 6 on the one hand and the Outside diameter 7 of the reverse thread shaft 8 out, so that be Center of gravity as close as possible to the reverse thread shaft 8 is. Conversely, this results in a low overall height the correspondingly low weight.
  • the base body 2 has two guide surfaces 9 and 10, with the help of which it is straight guided back and forth on the guide rails 5 and 6 is. Because here one pastille is avoided and only two parallel guide surfaces 9 and 10 must be accommodated, the traversing thread guide 1 has a relatively small overall length (Figs. 2 and 6).
  • the collar 4 can as a disc (Fig. 6) around Axis 11 or as a rectangular limited plate-like Be formed body.
  • the weight of the traversing thread guide To keep 1 small is a round disc-like Design.
  • the base body 2 of the traversing thread guide 1 has a guide shoulder 12 in the form of a cylindrical bolt 13, with which he has at least over a large part of the height of the thread groove 14 protrudes into this, preferably without the bottom of the thread groove 14 to touch. But it is also possible to the bolt 13 as long shape that he deliberately touches the groove bottom of the thread groove 14, so that the contact of the federal government 4 with the outer diameter 7 Reverse thread shaft 8 is not required.
  • Base body 2 and the bolt 13 may be hollow, that is with be provided with a recess 15, as shown in dashed lines Lines are indicated in Fig. 2.
  • the guide lug 12 or bolt 13 has an outer groove 16, in which a shuttle 17 is rotatably supported per se, although the shuttle 17, when the reversing threaded shaft 8 is driven, only executes a pivoting movement corresponding to the pitch of the threaded groove 14 about the axis 11.
  • the boat 17 can be designed as a wire bracket 18 (Fig. 3) with the apparent shape.
  • This wire bracket 18 has a circular cross-section and the shape shown in FIG. 3, so that guide points 19, 20, 21, 22 are formed on each side of the wire bracket 18, on which the shuttle 17 has point contact with each side wall of the thread groove 14 , depending on the positive or negative pitch of the thread groove 14.
  • the shape of the wire bracket 18 is such that, as can be seen, the reversal points of the thread groove 14 can be traversed without the risk of pinching. This also applies to those thread grooves 14 which have a constant width even in the area of the reversal points. From Fig. 1 it can be seen in particular that the shuttle 17 has only a very small height compared to the height of the thread groove 14. The height of the boat 17 may be in the range from 1/5 and 1 / 10th of the height of the thread groove fourteenth
  • FIG. 4 Another embodiment of the shuttle 17 as a molded part 23 shows Fig. 4.
  • This molded part 23 is made of spring steel sheet, similar to a circlip according to DIN 471. Both the Wire bracket 18 as well as the molded part 23 can be snapped on can be inserted into the outer groove 16 of the bolt 13.
  • FIG. 5 shows a further embodiment of the shuttle 17 with spherical outer contour 24, the radius of which is less than or equal to Reverse radii of the reverse thread shaft 8 is formed. Consequently the reversal points arise in different positions each according to the reverse radii used. This is for the lead point 20 illustrated by the double arrow 25.
  • FIG. 7 shows an embodiment in which three boats 17 in three outer grooves 16 spaced apart and thus separated pivotable to each other on the bolt 13 of the base body 2 of the Traversing thread guide 1 are stored. Since the side walls of the Threaded groove 14 represent a curved surface, the Shuttle 17 in contact with the side wall in the thread groove 14 rotated at a slight angle to each other about the axis 11 set and thus different guide points 19, 20 or 21, 22 form. So there is an adaptation to this curved surface by the shuttle 17 automatically and without special processing.

Landscapes

  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Knitting Machines (AREA)
  • Transmission Devices (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Abstract

A traversing yarn guide (1) for winding machines with a reversing screwthread shaft (8) having an endless screwthread groove (14), including a main body (2) which is rectilinearly reciprocably guided on two guide rails (5, 6) and which on the one hand carries a yarn guide (3) and which on the other hand has a guide projection (12) projecting into the screwthread groove (14) of the reversing screwthread shaft (8). The traversing yarn guide further comprises a shuttle (17) which is mounted pivotably on the main body (2) and which engages into the screwthread groove (14) of the reversing screwthread shaft (8). The guide projection (12) of the main body (2) is in the form of a cylindrical pin (13) which is arranged co-axially with respect to the axis (11) of the main body (2) and which is adapted with slight clearance to the cross-sectional shape of the screwthread groove (14). The shuttle (17) is of a substantially smaller height in comparison with the height of the screwthread groove (14) and is mounted pivotably in an outside groove (16) in the pin (13).

Description

Die Erfindung betrifft einen Changierfadenführer für Aufspulmaschinen mit eine endlose Gewindenut aufweisender Kehrgewindewelle, mit einem Grundkörper, der an zwei Führungschienen geradlinig hin- und herbeweglich geführt ist und einerseits einen Fadenführer trägt und andererseits einen in die Gewindenut der Kehrgewindewelle einragenden Führungsansatz aufweist, und mit einem schwenkbar am Grundkörper gelagerten und in die Gewindenut der Kehrgewindewelle eingreifenden Schiffchen, das eine im Vergleich zu der Höhe der Gewindenut wesentlich geringere Höhe aufweist. Changierfadenführer sind wesentliche Bestandteile von Fadenleitwerken mit Kehrgewindewelle, insbesondere von Hochgeschwindigkeits-Fadenleitwerken. The invention relates to a traversing thread guide for winding machines with an endless thread groove having a reverse thread shaft, with a body that is straight on two guide rails is guided back and forth on the one hand Thread guide carries and on the other hand one in the thread groove of the Reverse thread shaft protruding guide approach, and with a pivotally mounted on the base body and in the thread groove the shuttle thread engaging boat, the one in Compared to the height of the thread groove, the height is significantly lower having. Traversing thread guides are an integral part of Thread tails with a reversible thread shaft, especially high-speed thread tails.

Ein Changierfadenführer der eingangs beschriebenen Art ist aus der DE-OS 18 09 662 bekannt. Der Changierfadenführer besitzt einen Grundkörper, der mit seiner größten Breite in zwei U-förmig ausgebildete Führungsnuten in Führungsschienen eingreift, so daß er dort hin- und herbeweglich geführt ist. Der Grundkörper kommt mit dem Außendurchmesser der Kehrgewindewelle nicht in Kontakt. Der Grundkörper trägt an seinem der Kehrgewindewelle abgekehrten Ende einen Fadenführer, in den der zu verlegende Faden eingehängt wird. Der Grundkörper des Changierfadenführers besitzt einen Führungsansatz, der in die endlose Gewindenut der Kehrgewindewelle einragt. Dieser Führungsansatz ist einseitig exzentrisch zu der sich radial zu der Kehrgewindewelle erstreckenden Achse des Grundkörpers des Changierfadenführers angeordnet. Dieser Führungsansatz erstreckt sich entgegen der Laufrichtung des Changierfadenführers angespitzt nach hinten. Der Führungsansatz weist etwa eine Höhe auf, die der halben Tiefe der Gewindenut der Kehrgewindewelle entspricht. Dem Grundkörper des Changierfadenführers ist ein Schiffchen zugeordnet, welches schiffsrumpfartige Gestalt aufweist und sich etwa über die andere halbe Höhe der Gewindenut der Kehrgewindewelle erstreckt. Auch dieses Schiffchen ist mit seiner Außenkontur an die Breite der Gewindenut angepaßt. Es ist exzentrisch zu der Achse des Changierfadenführers angeordnet, wobei es eine Drehachse besitzt, die in eine Bohrung des Grundkörpers eingeschoben ist, so daß sich damit das Schiffchen gegenüber dem Grundkörper verdrehen kann, wie es für das Zusammenspiel mit seiner rotierend angetriebenen Kehrgewindewelle erforderlich ist. Sowohl das Schiffchen wie auch der Führungsansatz des Changierfadenführers greifen in die Gewindenut der Kehrgewindewelle ein und führen sich an den Seitenwänden dieser Gewindenut. Die Seitenwände der Gewindenut der Kehrgewindewelle stellen keine ebene Fläche dar, sondern eine schraubengangförmig gekrümmte Fläche. Um einen linien- oder flächenförmigen Kontakt zwischen dem Führungsansatz des Grundkörpers und dem Schiffchen einerseits sowie den Seitenwänden der Gewindenut andererseits zu erreichen, ist eine komplizierte Formgebung in diesen beiden angesprochenen Bereichen erforderlich. Die zugespitzte Formgebung des Führungsansatzes ist auf die Steigung der Gewindenut der Kehrgewindewelle abgestimmt, so daß ein solcher Changierfadenführer nur für eine bestimmte festgelegte Steigung der Gewindenut einer Kehrgewindewelle einsetzbar ist.A traversing thread guide of the type described at the outset is out DE-OS 18 09 662 known. The traversing thread guide owns a base body, which is the largest width in two U-shaped trained guide grooves engage in guide rails, so that it is guided back and forth there. The basic body does not come with the outer diameter of the reverse thread shaft in contact. The base body carries the reverse thread shaft a thread guide into which the one to be laid ends Thread is hooked. The basic body of the traversing thread guide has a guiding approach that leads into the endless thread groove of the Reverse thread shaft protrudes. This leadership approach is one-sided eccentric to the radial to the reverse thread shaft extending axis of the base body of the traversing thread guide arranged. This leadership approach extends contrary to Direction of movement of the traversing thread guide pointed back. The guide approach has a height that is half Depth of the thread groove corresponds to the reverse thread shaft. The A shuttle is assigned to the main body of the traversing thread guide, which has a hull-like shape and itself about the other half height of the thread groove of the reverse thread shaft extends. This boat is also with its outer contour adapted to the width of the thread groove. It is eccentric arranged to the axis of the traversing thread guide, there being a Has axis of rotation, which is inserted into a bore of the base body is, so that the shuttle is opposite the Base body can twist as it interacts with its rotatingly driven reverse thread shaft required is. Both the shuttle and the leadership approach of the The traversing thread guide engages in the thread groove of the reverse thread shaft and lead on the side walls of this thread groove. Set the side walls of the thread groove of the reverse thread shaft not a flat surface, but a helical shape curved surface. A linear or flat contact between the guide approach of the base body and the shuttle on the one hand and the side walls of the thread groove on the other achieve is a complicated shape in these two addressed areas required. The pointed shape of the guide approach is based on the pitch of the thread groove the reverse thread shaft matched, so that such traversing thread guide only for a certain fixed slope of the Thread groove of a reverse thread shaft can be used.

Aus der DE 37 21 139 C2 ist ein Changierfadenführer bekannt, der aus mehreren Teilen besteht. Die Unterteilung ist zwischen einem Schlitten und einem Schiffchenkörper durchgeführt, wobei der Schiffchenkörper nicht nur die Höhe der Gewindenut ausfüllt, sondern darüberhinaus noch einen bolzenartigen Träger aufweist, der in eine entsprechende Bohrung des Schlittens eingreift, so daß an dieser Stelle außerhalb der Gewindenut die schwenkbewegliche Verbindung der Teile erfolgt. Der Schlitten selbst besitzt U-förmige Nuten, in die Führungsschienen eingreifen, so daß der Changierfadenführer hier geradlinig hin- und hergehend geführt wird. An dem Träger des Schiffchenkörpers ist ein Führungsansatz vorgesehen, der zylinderartige Form aufweisen kann und in die Gewindenut der Kehrgewindewelle einragt. An dem Führungsansatz ist der eigentliche Schiffchenkörper durch Kopfstücke verwirklicht, die sich nicht nur an den Seitenwänden der Gewindenut, sondern auch am Nutengrund der Gewindenut führen. Damit werden zwischen dem Schiffchen und der Gewindenut Führungsflächen gebildet, um eine gleichmäßige Flächenpressung an den Seitenwänden der Gewindenut zu erzielen. Die Kopfstücke können gegenüber dem Führungsansatz federnd ausgebildet sein, um eine Anpassung an die Umkehrradien an den Umkehrstellen der Gewindenut zu erzielen. Dieser bekannte Changierfadenführer weist eine relativ große Masse auf, die allenfalls dadurch verkleinert werden kann, daß die bugartigen Spitzen der schiffchenartigen Kopfstücke entfernt bzw. weggelassen werden können. Die Kopfstücke müssen zu der flächigen Anlage an der Seitenwand und dem Grund der Gewindenut eine relativ komplizierte Formgebung aufweisen. Die das Schiffchen bildenden Kopfstücke erstrecken sich über die gesamte Höhe der Gewindenut. Durch die Führung des Schlittens in U-förmigen Nuten besitzt dieser Changierfadenführer auch eine relativ große Höhe, verbunden mit einer entsprechend großen Masse. Dieser Nachteil tritt in verstärktem Maße dann auf, wenn das eigentliche Schiffchen noch mehrteilig ausgebildet ist und seine Einzelteile durch federnde Klemmbügel o. dgl. zusammengehalten werden müssen.A traversing thread guide is known from DE 37 21 139 C2 consists of several parts. The division is between one Carriage and a boat body performed, the Shuttle body not only fills the height of the thread groove, but also has a bolt-like support, which engages in a corresponding hole in the carriage, so that at this point the swiveling outside of the thread groove The parts are connected. The sled itself owns U-shaped grooves engage in the guide rails so that the Traversing thread guide guided here back and forth in a straight line becomes. On the carrier of the shuttle body is a guide lug provided, which can have a cylindrical shape and into which Thread groove of the reverse thread shaft protrudes. On the leadership approach the actual shuttle body is realized with head pieces, not only on the side walls of the thread groove, but also at the bottom of the thread groove. With that between the shuttle and the thread groove guide surfaces formed to ensure even surface pressure on the side walls to achieve the thread groove. The headers can be designed to be resilient in relation to the guide attachment in order to Adaptation to the reversing radii at the reversal points of the thread groove to achieve. This known traversing thread guide has one relatively large mass, which at most reduces it can be that the bow-like tips of the boat-like Headpieces can be removed or omitted. The headers have to the flat system on the side wall and the A relatively complicated shape due to the thread groove exhibit. The head pieces forming the boat extend over the entire height of the thread groove. By leading the This traversing thread guide has slides in U-shaped grooves also a relatively large height, combined with a corresponding large mass. This disadvantage occurs to an increasing extent Measure when the actual boat still has several parts is formed and its individual parts by resilient clamps or the like must be held together.

Es sind weiterhin Changierfadenführer bekannt, bei denen der Grundkörper aus einem Kunststofformteil besteht, der mit einem als Keramikteil ausgebildeten Fadenführer fest verbunden ist. Der Grundkörper ist mit einer Führungspastille versehen, die zwei Paare von parallelen Führungsflächen bildet, um das Verschwenken des Grundkörpers an den Umkehrstellen der Gewindenut der Kehrgewindewelle relativ zu den Führungsschienen zuzulassen. Der Grundkörper des Changierfadenführers ist aber hier bereits vorteilhaft zwischen dem Außendurchmesser der Kehrgewindewelle und den Führungsschienen gelagert. Das dem Grundkörper zugeordnete Schiffchen ist an den Querschnitt der Gewindenut mit entsprechendenm geringen Spiel angepaßt. Dieser Changierfadenführer weist bereits eine relativ geringere Masse auf, so daß er für Hochgeschwindigkeits-Fadenleitwerke besser geeignet erscheint. Allerdings bedingt die Anordnung der Führungspastille auch wiederum eine gewisse Baugröße mit entsprechender Masse.There are also traversing thread guides known, in which the Basic body consists of a molded plastic part that with a thread guide designed as a ceramic part is firmly connected. The base body is provided with a guide pastille that forms two pairs of parallel guide surfaces to pivot of the base body at the reversal of the thread groove allow the reverse thread shaft relative to the guide rails. The basic body of the traversing thread guide is already here advantageous between the outer diameter of the reverse thread shaft and the guide rails. That assigned to the basic body The boat is corresponding to the cross section of the thread groove adjusted little game. This traverse guide already has a relatively lower mass, so that it for High-speed thread tails appear more suitable. However, the arrangement of the guide lozenge also requires again a certain size with appropriate mass.

Der Erfindung liegt die Aufgabe zugrunde, einen insbesondere für Hochgeschwindigkeits-Fadenleitwerke geeigneten Changierfadenführer zu schaffen, der eine vergleichsweise kleinere und leichtere Bauweise ermöglicht und unabhängig von der Steigung der Gewindenut der Kehrgewindewelle einsetzbar ist.The invention is based, in particular for High speed thread tails suitable traversing thread guide to create a comparatively smaller and Lighter design enables and regardless of the slope the thread groove of the reverse thread shaft can be used.

Erfindungsgemäß wird dies bei einem Changierfadenführer der eingangs beschriebenen Art dadurch erreicht, daß der Führungsansatz des Grundkörpers die Form eines zylindrischen Bolzens aufweist, der koaxial zu der Achse des Grundkörpers angeordnet und mit geringem Spiel der Querschnittsform der Gewindenut angepaßt ist, und daß das Schiffchen weitgehend hohl gestaltet ist und in einer Außennut des Bolzens schwenkbar gelagert ist.According to the invention this is the case with a traversing thread guide described type achieved in that the leadership approach the base body has the shape of a cylindrical bolt, which is arranged coaxially to the axis of the base body and with little play is adapted to the cross-sectional shape of the thread groove, and that the boat is largely hollow and in an outer groove of the bolt is pivotally mounted.

Die Erfindung geht von dem Gedanken aus, die Funktionen der Einzelteile des Changierfadenführers deutlich voneinander zu trennen. Der Führungsansatz des Grundkörpers wird in Form eines zylindrischen Bolzens verwirklicht, dessen Außenumfang also zylindrisch ausgebildet ist und mit geringem Spiel der Querschnittsform der Gewindenut angepaßt ist. Dies bedeutet, daß der Grundkörper des Changierfadenführers in in die Gewindenut der Kehrgewindewelle eingesetztem Zustand um seine Achse frei drehbar ist. Diese Drehbarkeit wird lediglich durch die Führungsschienen begrenzt. Das Schiffchen ist der einzige Teil, der relativ zu der Achse des Changierfadenführers eine Schwenkbewegung ausführt, wie sie beim Durchlaufen der Umkehrstellen der Gewindenut der Kehrgewindewelle auftritt. Die Masse dieses Schiffchens wird optimal klein gehalten, und zwar dadurch, daß die Höhe des Schiffchens nur einen Bruchteil der Höhe der Gewindenut ausmacht und das gesamte Schiffchen weitgehend "hohl" gestaltet ist. In einer bevorzugten Ausführungsform kann das Schiffchen aus einem gebogenen Drahtformteil bestehen. Die Kontaktflächen oder besser Kontaktpunkte oder allenfalls Kontaktlinien relativ kurzer Erstreckung, an denen das Schiffchen mit den Seitenwänden der Gewindenut in Kontakt kommt, sind hier bewußt klein gehalten. Das Schiffchen ist in eine Außennut des Bolzens schwenkbar eingesetzt. Die Gestaltung der umlaufenden Außennut am Bolzen ist auf die schwenkbewegliche Lagerung des Schiffchens an dem Bolzen abgestimmt. Die Ausbildung kann auch so getroffen sein, daß das Schiffchen im Bereich der Außennut des Bolzens um ein geringes Maß gegenüber dem Außendurchmesser des Bolzens vorsteht, so daß auch in diesem Bereich das Schiffchen Führungsfunktion übernimmt und durch Führungspunkte die an sich linienförmige Abstützung des Bolzens an den Seitenwänden der Gewindenut ersetzt. The invention is based on the idea of the functions of Individual parts of the traversing thread guide clearly from each other separate. The guiding approach of the base body is in the form of a cylindrical bolt realized, so its outer circumference is cylindrical and with little play of the cross-sectional shape the thread groove is adapted. This means that the Basic body of the traversing thread guide in the thread groove Reverse thread shaft inserted state around its axis freely is rotatable. This rotatability is only due to the Guide rails limited. The boat is the only part which pivots relative to the axis of the traversing thread guide executes as they go through the reversals the thread groove of the reverse thread shaft occurs. The mass of this The shuttle is kept optimally small, in that the height of the boat is only a fraction of the height of the Makes thread groove and the entire boat largely "hollow" is designed. In a preferred embodiment, the The boat consist of a bent wire part. The Contact areas or better contact points or at best Contact lines of relatively short extension at which the boat comes into contact with the side walls of the thread groove deliberately kept small here. The boat is in an external groove of the bolt pivotally inserted. The design of the revolving External groove on the pin is on the pivoting bearing of the boat matched to the bolt. The training can also be taken so that the boat in the area of Outer groove of the bolt by a small amount compared to the outer diameter of the bolt protrudes, so that even in this area the boat takes on leadership function and through leadership points the linear support of the bolt on the Side walls of the thread groove replaced.

Das Schiffchen des Changierfadenführers kann zumindest in den Kontaktbereichen zu den Seitenwänden der Gewindenut unter Ausbildung von Führungspunkten abgerundet sein. Damit wird die angestrebte punktförmige Kontaktanlage erreicht und der schraubengangartigen Krümmung der Seitenwände der Gewindenut optimal Rechnung getragen. Das Schiffchen selbst erhält eine optimal geringe Masse.The shuttle of the traversing thread guide can at least in the Contact areas to the side walls of the thread groove below Training of leadership points should be rounded off. With that the desired point contact system reached and the screw-like curvature of the side walls of the thread groove optimally taken into account. The boat itself receives one optimally low mass.

Wenn der Grundkörper des Changierfadenführers zwischen dem Außendurchmesser der Kehrgewindewelle und den Führungsschienen geführt ist, ergibt sich vorteilhaft eine geringe Bauhöhe des Changierfadenführers, was ebenfalls einer kleinen und leichten Bauart förderlich ist.If the main body of the traversing thread guide between the Outside diameter of the reverse thread shaft and the guide rails is guided, there is advantageously a low overall height of the Traversing thread guide, which is also a small and light Type is conducive.

Der Grundkörper des Changierfadenführers kann zwischen dem Außendurchmesser der Kehrgewindewelle und den Führungsschienen seine größte Breite aufweisen und in Richtung auf den Fadenführer einen leistenförmigen Ansatz tragen, der lediglich zwei parallele Führungsflächen für den Kontakt zu den Führungsschienen bildet. Damit wird vorteilhaft eine Führungspastille vermieden, deren zwei Paar paralleler Führungsflächen dort notwendigerweise hintereinander geschaltet sein müssen, was die Baulänge des Changierfadenführers vergrößert. Insoweit steht im Bereich der größten Breite des Grundkörpers des Changierfadenführers ein scheiben- oder blockartiger Bund über die Breite der Gewindenut der Kehrgewindewelle über. Dieser Bund ist auch breiter als der Abstand zwischen den beiden Führungsflächen.The basic body of the traversing thread guide can be between the Outside diameter of the reverse thread shaft and the guide rails have its greatest width and in the direction of the thread guide wear a strip-shaped approach that is only two parallel guide surfaces for contact with the guide rails forms. This makes a guiding pastille advantageous avoided whose two pairs of parallel guide surfaces there must necessarily be connected in series, what the Length of the traversing thread guide increased. To that extent it says in Area of the greatest width of the base body of the traversing thread guide a disc or block-like waistband across the width of the Thread groove of the reverse thread shaft above. This covenant is too wider than the distance between the two guide surfaces.

Es ist ohne weiteres möglich, daß mehrere Schiffchen in Außennuten des Bolzens des Grundkörpers separat schenkbar gelagert sind. Durch die Anordnung mehrerer Schiffchen wird zwar die Masse des Changierfadenführers in nachteiliger Weise erhöht, es ergibt sich aber vorteilhaft gleichsam von selbst durch die Einnahme geringfügig unterschiedlicher Verdrehwinkel der Schiffchen relativ zur Achse des Grundkörpers des Changierfadenführers eine perfekte Anpassung der Kontaktpunkte an die gewölbte Fläche der Seitenwandung der Gewindenut der Kehrgewindewelle. Eine gesonderte Bearbeitung oder eine aufwendige Formgestaltung entfällt hier ersatzlos. Insbesondere können das oder die Schiffchen aus einem Drahtbügel oder einem entsprechenden Formteil bestehen und zum Zwecke des Aufsetzens in die Außennut des Bolzens federnd ausgebildet sein. Das Schiffchen kann, ähnlich wie ein Sicherungsring, auf die Außennut des Bolzens des Grundkörpers des Changierfadenführers aufgeschnappt werden und damit in der vorgesehenen Relativlage schwenkbeweglich angeordnet sein.It is easily possible that several boats in external grooves of the bolt of the base body separately giftable are. By arranging several boats the Mass of traversing thread guide disadvantageously increases it but results, as it were, by itself Taking slightly different angles of rotation of the shuttle relative to the axis of the base body of the traversing thread guide a perfect adaptation of the contact points to the curved surface the side wall of the thread groove of the reverse thread shaft. A separate processing or an elaborate design is not necessary here without replacement. In particular, the boat or boats from a wire bracket or a corresponding molded part exist and for the purpose of mounting in the outer groove of the Bolts be resilient. The boat can, similar like a circlip, on the outer groove of the bolt of the body of the traversing thread guide are snapped on and thus arranged pivotably in the intended relative position his.

Das Schiffchen sollte symmetrisch zu der Achse des Grundkörpers ausgebildet sein oder zumindest vier symmetrisch zu der Achse des Grundkörpers angeordnete Führungspunkte aufweisen. Dies ergibt eine gute Führung des Schiffchens in der Gewindenut der Kehrgewindewelle, und es ist gleichgültig, ob das Schiffchen bei seinem Einsatz in die Kehrgewindewelle um 180° verschwenkt eingeführt wird oder nicht. Das Schiffchen kann eine ballige Außenkontur aufweisen. Diese Ausbildung ist besonders sinnvoll, um das Schiffchen relativ unabhängig von der Größe der Umkehrradien der Kehrgewindewelle zu machen. Bei unterschiedlichen Kehrgewindewellen mit unterschiedlichen Umkehrradien bilden sich an dieser balligen Außenkontur die Führungspunkte lediglich an unterschiedlichen Stellen.The boat should be symmetrical to the axis of the body be formed or at least four symmetrical to the axis of the base body have arranged guide points. This results in good guidance of the boat in the thread groove of the Reverse thread shaft, and it doesn't matter whether the shuttle is at its use in the reverse thread shaft pivoted by 180 ° is introduced or not. The boat can be crowned Have an outer contour. This training is particularly useful around the boat relatively regardless of the size of the turning radii to make the reverse thread shaft. With different Reverse thread shafts with different turning radii are formed the guide points only on this spherical outer contour different places.

Der Grundkörper kann hohl ausgebildet sein. Dies trägt zu einer weiteren Gewichtsreduzierung bei, ohne daß damit die schwenkbare Lagerung des Schiffchens an dem Bolzen des Grundkörpers in nachteiliger Weise beeinträchtigt wird.The base body can be hollow. This contributes to one further weight reduction without the swiveling Storage of the boat on the bolt of the base body in is adversely affected.

Die Erfindung wird anhand bevorzugter Ausführungsbeispiele weiter beschrieben. Die Zeichnungen zeigen:

Fig. 1
einen Schnitt durch die Kehrgewindewelle mit einer Ansicht des Changierfadenführers,
Fig. 2
den Changierfadenführer gemäß Fig. 1 in einer um 90° gedrehten Stellung,
Fig. 3
eine Draufsicht auf das Schiffchen in einer ersten Ausführungsform als Drahtbiegeteil,
Fig. 4
eine Draufsicht auf das Schiffchen in Ausbildung als Stanzteil,
Fig. 5
eine Draufsicht auf ein Schiffchen als Stanzteil mit balliger Außenkontur,
Fig. 6
eine Draufsicht auf den Changierfadenführer gemäß Fig. 2 von oben und
Fig. 7
eine weitere Ausführungsform des Changierfadenführers, ausgestattet mit drei Schiffchen.
The invention is further described on the basis of preferred exemplary embodiments. The drawings show:
Fig. 1
a section through the reverse thread shaft with a view of the traversing thread guide,
Fig. 2
1 in a position rotated by 90 °,
Fig. 3
a plan view of the boat in a first embodiment as a wire bending part,
Fig. 4
a plan view of the boat in training as a stamped part,
Fig. 5
a plan view of a boat as a stamped part with a spherical outer contour,
Fig. 6
a plan view of the traversing thread guide according to FIG. 2 from above and
Fig. 7
a further embodiment of the traversing thread guide, equipped with three boats.

Der Changierfadenführer 1 weist einen Grundkörper 2 auf, der vorzugsweise als Kunststofformteil hergestellt ist. In den Grundkörper 2 ist der eigentliche Fadenführer 3, der vorzugsweise als Keramikformteil ausgebildet ist und die insbesondere aus Fig. 2 ersichtliche Gestalt aufweist, eingelassen bzw. mit dem Grundkörper 2 fest verbunden. Der Grundkörper 2 besitzt in seinem Mittelteil einen Bund 4, in welchem der Grundkörper 2 seine größte Breite (Fig. 1) aufweist. Der Changierfadenführer 1 ist zwischen zwei Führungsschienen 5 und 6 einerseits und dem Außendurchmesser 7 der Kehrgewindewelle 8 geführt, so daß sein Schwerpunkt möglichst nahe an die Kehrgewindewelle 8 herangerückt ist. Umgekehrt resultiert hieraus eine geringe Bauhöhe mit dem entsprechend geringen Gewicht. Der Grundkörper 2 besitzt zwei Führungsflächen 9 und 10, mit deren Hilfe er geradlinig hin- und herbeweglich an den Führungsschienen 5 und 6 geführt ist. Da hier eine Führungspastille vermieden wird und nur zwei parallele Führungsflächen 9 und 10 untergebracht werden müssen, besitzt der Changierfadenführer 1 eine relativ geringe Baulänge (Fig. 2 und 6). Der Bund 4 kann als Scheibe (Fig. 6) um die Achse 11 oder auch als rechteckig begrenzter plattenartiger Körper ausgebildet sein. Um das Gewicht des Changierfadenführers 1 klein zu halten, bietet sich eine runde scheibenartige Gestaltung an.The traversing thread guide 1 has a base body 2 which is preferably produced as a molded plastic part. In the Base body 2 is the actual thread guide 3, which is preferably is designed as a ceramic molded part and in particular 2 apparent form, embedded or with the base body 2 firmly connected. The base body 2 has in its central part has a collar 4 in which the base body 2 has its greatest width (Fig. 1). The traversing thread guide 1 is between two guide rails 5 and 6 on the one hand and the Outside diameter 7 of the reverse thread shaft 8 out, so that be Center of gravity as close as possible to the reverse thread shaft 8 is. Conversely, this results in a low overall height the correspondingly low weight. The base body 2 has two guide surfaces 9 and 10, with the help of which it is straight guided back and forth on the guide rails 5 and 6 is. Because here one pastille is avoided and only two parallel guide surfaces 9 and 10 must be accommodated, the traversing thread guide 1 has a relatively small overall length (Figs. 2 and 6). The collar 4 can as a disc (Fig. 6) around Axis 11 or as a rectangular limited plate-like Be formed body. The weight of the traversing thread guide To keep 1 small is a round disc-like Design.

Der Grundkörper 2 des Changierfadenführers 1 weist einen Führungsansatz 12 in Form eines zylindrischen Bolzens 13 auf, mit dem er zumindest über einen Großteil der Höhe der Gewindenut 14 in diese einragt, vorzugsweise ohne den Grund der Gewindenut 14 zu berühren. Es ist aber auch möglich, den Bolzen 13 so lang zu gestalten, daß er bewußt den Nutgrund der Gewindenut 14 berührt, so daß der Kontakt des Bundes 4 mit dem Außendurchmesser 7 der Kehrgewindewelle 8 nicht erforderlich wird. Zur Gewichtsersparnis des Grundkörpers 2 des Changierfadenführers 1 kann der Grundkörper 2 und der Bolzen 13 hohl ausgebildet sein, also mit einer Ausnehmung 15 versehen sein, wie dies in gestrichelter Linienführung in Fig. 2 angedeutet ist.The base body 2 of the traversing thread guide 1 has a guide shoulder 12 in the form of a cylindrical bolt 13, with which he has at least over a large part of the height of the thread groove 14 protrudes into this, preferably without the bottom of the thread groove 14 to touch. But it is also possible to the bolt 13 as long shape that he deliberately touches the groove bottom of the thread groove 14, so that the contact of the federal government 4 with the outer diameter 7 Reverse thread shaft 8 is not required. To save weight of the base body 2 of the traversing thread guide 1 can Base body 2 and the bolt 13 may be hollow, that is with be provided with a recess 15, as shown in dashed lines Lines are indicated in Fig. 2.

Der Führungsansatz 12 bzw. Bolzen 13 besitzt eine Außennut 16, in der ein Schiffchen 17 an sich drehbar gelagert ist, obwohl das Schiffchen 17 bei angetriebener Kehrgewindewelle 8 nur eine Schwenkbewegung entsprechend der Steigung der Gewindenut 14 um die Achse 11 ausführt. Das Schiffchen 17 kann als Drahtbügel 18 (Fig. 3) mit der ersichtlichen Formgebung ausgebildet sein. Dieser Drahtbügel 18 besitzt kreisförmigen Querschnitt und die aus Fig. 3 ersichtliche Formgebung, so daß Führungspunkte 19, 20, 21, 22 auf jeder Seite des Drahtbügels 18 gebildet werden, an denen das Schiffchen 17 jeweils punktförmigen Kontakt zu jeweils einer Seitenwand der Gewindenut 14 hat, in Abhängigkeit von der positiven bzw. negativen Steigung der Gewindenut 14. Die Formgebung des Drahtbügels 18 ist so, daß, wie ersichtlich, auch die Umkehrstellen der Gewindenut 14 durchlaufen werden können, ohne daß hier die Gefahr des Einklemmens besteht. Dies gilt auch für solche Gewindenuten 14, die eine konstante Breite auch im Bereich der Umkehrstellen aufweisen. Aus Fig. 1 ist insbesondere erkennbar, daß das Schiffchen 17 nur eine sehr geringe Höhe im Vergleich zur Höhe der Gewindenut 14 aufweist. Die Höhe des Schiffchens 17 kann in der Größenordnung von 1/5 bis 1/10 der Höhe der Gewindenut 14 liegen.The guide lug 12 or bolt 13 has an outer groove 16, in which a shuttle 17 is rotatably supported per se, although the shuttle 17, when the reversing threaded shaft 8 is driven, only executes a pivoting movement corresponding to the pitch of the threaded groove 14 about the axis 11. The boat 17 can be designed as a wire bracket 18 (Fig. 3) with the apparent shape. This wire bracket 18 has a circular cross-section and the shape shown in FIG. 3, so that guide points 19, 20, 21, 22 are formed on each side of the wire bracket 18, on which the shuttle 17 has point contact with each side wall of the thread groove 14 , depending on the positive or negative pitch of the thread groove 14. The shape of the wire bracket 18 is such that, as can be seen, the reversal points of the thread groove 14 can be traversed without the risk of pinching. This also applies to those thread grooves 14 which have a constant width even in the area of the reversal points. From Fig. 1 it can be seen in particular that the shuttle 17 has only a very small height compared to the height of the thread groove 14. The height of the boat 17 may be in the range from 1/5 and 1 / 10th of the height of the thread groove fourteenth

Eine weitere Ausführungsform des Schiffchens 17 als Formteil 23 zeigt Fig. 4. Dieses Formteil 23 ist aus Federstahlblech herstellbar, ähnlich einem Sicherungsring nach DIN 471. Sowohl der Drahtbügel 18 wie auch das Formteil 23 können durch Aufschnappen in die Außennut 16 des Bolzens 13 eingesetzt werden.Another embodiment of the shuttle 17 as a molded part 23 shows Fig. 4. This molded part 23 is made of spring steel sheet, similar to a circlip according to DIN 471. Both the Wire bracket 18 as well as the molded part 23 can be snapped on can be inserted into the outer groove 16 of the bolt 13.

Fig. 5 zeigt eine weitere Ausführungsform des Schiffchens 17 mit balliger Außenkontur 24, deren Radius kleiner oder gleich den Umkehrradien der Kehrgewindewelle 8 ausgebildet ist. Infolgedessen ergeben sich die Umkehrpunkte in verschiedener Lage je nach den verwendeten Umkehrradien. Dies ist für den Führungspunkt 20 durch den Doppelpfeil 25 verdeutlicht.5 shows a further embodiment of the shuttle 17 with spherical outer contour 24, the radius of which is less than or equal to Reverse radii of the reverse thread shaft 8 is formed. Consequently the reversal points arise in different positions each according to the reverse radii used. This is for the lead point 20 illustrated by the double arrow 25.

Fig. 7 zeigt eine Ausführungsform, bei der drei Schiffchen 17 in drei Außennuten 16 abständig voneinander und damit getrennt zueinander schwenkbar an dem Bolzen 13 des Grundkörpers 2 des Changierfadenführers 1 gelagert sind. Da die Seitenwände der Gewindenut 14 eine gekrümmte Fläche darstellen, werden sich die Schiffchen 17 bei Kontakt zu der Seitenwand in der Gewindenut 14 mit geringfügigem Winkel zueinander um die Achse 11 verdreht einstellen und damit jeweils unterschiedliche Führungspunkte 19, 20 bzw. 21, 22 bilden. Es erfolgt also eine Anpassung an diese gekrümmte Oberfläche durch die Schiffchen 17 automatisch und ohne besondere Bearbeitung. 7 shows an embodiment in which three boats 17 in three outer grooves 16 spaced apart and thus separated pivotable to each other on the bolt 13 of the base body 2 of the Traversing thread guide 1 are stored. Since the side walls of the Threaded groove 14 represent a curved surface, the Shuttle 17 in contact with the side wall in the thread groove 14 rotated at a slight angle to each other about the axis 11 set and thus different guide points 19, 20 or 21, 22 form. So there is an adaptation to this curved surface by the shuttle 17 automatically and without special processing.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

1 -1 -
ChangierfadenführerTraversing thread guide
2 -2 -
GrundkörperBasic body
3 -3 -
FadenführerThread guide
4 -4 -
BundFederation
5 -5 -
FührungsschieneGuide rail
6 -6 -
FührungsschieneGuide rail
7 -7 -
Außendurchmesserouter diameter
8 -8th -
KehrgewindewelleReverse thread shaft
9 -9 -
FührungsflächeLeadership area
10 -10 -
FührungsflächeLeadership area
11 -11 -
Achseaxis
12 -12 -
FührungsansatzLeadership approach
13 -13 -
Bolzenbolt
14 -14 -
GewindenutThread groove
15 -15 -
AusnehmungRecess
16 -16 -
AußennutExternal groove
17 -17 -
SchiffchenBoat
18 -18 -
DrahtbügelWire bracket
19 -19 -
FührungspunktGuide point
20 -20 -
FührungspunktGuide point
21 -21 -
FührungspunktGuide point
22 -22 -
FührungspunktGuide point
23 -23 -
FormteilMolding
24 -24 -
AußenkonturOuter contour
25 -25 -
DoppelpfeilDouble arrow

Claims (9)

  1. A traversing yarn guide (1) for winding machines with a reversing screwthread shaft (8) having an endless screwthread groove (14), comprising a main body (2) which is rectilinearly reciprocally guided on two guide rails (5, 6) and which on the one hand carries a yarn guide (3) and which on the other hand has a guide projection (12) projecting into the screwthread groove (14) of the reversing screwthread shaft (8), and a shuttle (17) which is mounted pivotally on the main body (2), which engages into the screwthread groove (14) of the reversing screwthread shaft (8), and which is of a substantially smaller height in comparison with the height of the screwthread groove (14), characterised in that the guide projection (12) of the main body (2) is in the form of a cylindrical pin (13) which is arranged co-axially with respect to the axis (11) of the main body (2) and which is adapted with slight clearance to the cross-sectional shape of the screwthread groove (14), and that the shuttle (17) is of a substantially hollow configuration and is mounted pivotally in an outside groove (14) in the pin (13).
  2. A traversing yarn guide as set forth in claim 1 characterised in that the shuttle (17) is rounded-off at least in the contact regions relative to the side walls of the screwthread groove (14), forming guide points (19, 20, 21, 22).
  3. A traversing yarn guide as set forth in claim 1 characterised in that the main body (2) of the traversing yarn guide (1) is guided between the outside diameter (7) of the reversing screwthread shaft (8) and the guide rails (5, 6).
  4. A traversing yarn guide as set forth in claim 3 characterised in that the main body (2) of the traversing yarn guide (1) is at its greatest width between the outside diameter (7) of the reversing screwthread shaft (8) and the guide rails (5, 6) and in a direction towards the yarn guide (3) carries a bar-shaped projection which forms only two parallel guide surfaces (9, 10) for contact with the guide rails (5, 6).
  5. A traversing yarn guide as set forth in claim 1 or claim 2 characterised in that a plurality of shuttles (17) are separately pivotally mounted in outside grooves (16) of the pin (13) of the main body (2).
  6. A traversing yarn guide as set forth in claim 1, claim 2 or claim 5 characterised in that the shuttle or shuttles (17) comprises a wire loop member (18) or a corresponding shaped portion (23) and is of a resilient nature for the purposes of fitting into the outside groove (16) in the pin (13).
  7. A traversing yarn guide as set forth in claim 1 characterised in that the shuttle (17) is of a symmetrical configuration relative to the axis (11) of the main body (2) or has at least four guide points (19, 20, 21, 22) arranged symmetrically relative to the axis (11) of the main body (2).
  8. A traversing yarn guide as set forth in claim 1 or claim 7 characterised in that the shuttle (17) has a spherically curved outside contour (24).
  9. A traversing yarn guide as set forth in claim 1 characterised in that the main body (2) is hollow.
EP97116948A 1996-10-15 1997-09-30 Reciprocating thread guide for winding machines with helical threaded shaft having an endless threaded groove Expired - Lifetime EP0837022B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19642473 1996-10-15
DE19642473A DE19642473C1 (en) 1996-10-15 1996-10-15 Reciprocating bobbin winding yarn guide

Publications (3)

Publication Number Publication Date
EP0837022A2 EP0837022A2 (en) 1998-04-22
EP0837022A3 EP0837022A3 (en) 1999-01-27
EP0837022B1 true EP0837022B1 (en) 2000-05-10

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Application Number Title Priority Date Filing Date
EP97116948A Expired - Lifetime EP0837022B1 (en) 1996-10-15 1997-09-30 Reciprocating thread guide for winding machines with helical threaded shaft having an endless threaded groove

Country Status (6)

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US (1) US5850983A (en)
EP (1) EP0837022B1 (en)
JP (1) JPH10175773A (en)
KR (1) KR19980032816A (en)
AT (1) ATE192721T1 (en)
DE (2) DE19642473C1 (en)

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DE19936646A1 (en) * 1998-08-08 2000-02-10 Rieter Ingolstadt Spinnerei Cam roller for traversing yarn over a bobbin is built up of separate elements arranged axially along a supporting shaft
US6119973A (en) * 1999-01-29 2000-09-19 Owens Corning Fiberglas Technology, Inc. Reciprocating apparatus and cam follower for winding a package
CN108018624B (en) * 2018-01-18 2019-11-15 桐乡市云雀纺织有限公司 A kind of silk covering machine tube molding auxiliary body
CN116706795B (en) * 2023-08-04 2023-10-20 国网山西省电力公司信息通信分公司 Supporting device for installation of power cable

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US2251838A (en) * 1939-03-17 1941-08-05 American Thread Co Reciprocating mechanism
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GB1138365A (en) * 1965-05-10 1969-01-01 Ici Ltd Improvements in or relating to yarn winding machines
US3451640A (en) * 1967-09-28 1969-06-24 Whitin Machine Works Yarn guide assembly
US3854343A (en) * 1970-06-26 1974-12-17 Ott A Fa Reversing cam drum for quick traverse winder and traveller for said reversing cam drum
DE2212053A1 (en) * 1972-03-13 1973-09-20 Karl Bous Spool winding traverse mechanism - cam follower adapts itself to fit the straight groove as well as the reversal points
US3937102A (en) * 1974-07-22 1976-02-10 Allen Clayton H Noise suppression
DE3530804A1 (en) * 1985-08-29 1987-03-12 Barmag Barmer Maschf CHANGING GUIDE
DE3721139C2 (en) * 1986-07-01 1994-08-04 Barmag Barmer Maschf Traversing thread guide

Also Published As

Publication number Publication date
DE19642473C1 (en) 1998-01-22
JPH10175773A (en) 1998-06-30
DE59701635D1 (en) 2000-06-15
EP0837022A3 (en) 1999-01-27
ATE192721T1 (en) 2000-05-15
EP0837022A2 (en) 1998-04-22
US5850983A (en) 1998-12-22
KR19980032816A (en) 1998-07-25

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