EP0213462B1 - Guide-fil à va-et-vient - Google Patents
Guide-fil à va-et-vient Download PDFInfo
- Publication number
- EP0213462B1 EP0213462B1 EP86111044A EP86111044A EP0213462B1 EP 0213462 B1 EP0213462 B1 EP 0213462B1 EP 86111044 A EP86111044 A EP 86111044A EP 86111044 A EP86111044 A EP 86111044A EP 0213462 B1 EP0213462 B1 EP 0213462B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide
- traversing
- yam
- webs
- shuttle
- 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
Links
- 238000013016 damping Methods 0.000 claims description 5
- 206010012335 Dependence Diseases 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- 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 for winding threads.
- the traversing thread guide is driven by a rotating reversing thread roller.
- a sweeping thread roller is understood to mean a roller which has a thread-shaped groove on its circumference, which reverses its slope at the ends of the traversing stroke.
- the traversing thread guide is moved back and forth over the traversing stroke by rotating the reversing thread roller.
- the traversing thread guide consists of one piece, e.g. Plastic, and has a boat on one side and the thread guide on the other side.
- the boat is an elongated structure that adapts to the thread groove and meshes with it.
- the thread guide is made of a wear-resistant material, e.g.
- the thread guide has a slot for guiding the thread.
- the traversing thread guide is provided with guide edges that describe an equilateral parallelogram.
- the plate-shaped thread guide lies on the longer diagonal of the parallelogram.
- the slot for guiding the thread lies above the intersection of the diagonals of the parallelogram.
- This traversing thread guide is known from US-A 3 664 596. The known embodiment provides that the guide edges are formed by a diamond-shaped guide plate. This guide plate is used to guide the traversing thread guide in a straight line between two straight guide rails.
- These guide rails have a distance which corresponds essentially to the length of the diagonal of the guide plate, which is perpendicular to the thread guide.
- the guide edges and the shuttle are now inclined to each other so that two opposing parallel guide edges always rest on the two guide rails when the shuttle slides in the reverse thread groove.
- the straight guidance is taken over by the other pair of opposite guide edges.
- these guide rails comprise the guide plate on the front and rear side, so that the traversing thread guide is positively guided both in the circumferential direction and in both radial directions to the reversing thread roller. which are operated at speeds of more than 1,000 m / min thread winding speed.
- the traversing speed depends on the winding speed. Furthermore, a very sudden reversal of the traversing thread guide at the stroke ends is required to build up a good cylindrical bobbin. In other words, the reversal thread groove at the stroke reversal points must have a very small radius of curvature. As a result, the traversing thread guide is subjected to high accelerations at the stroke ends. It can therefore be seen that the service life of such a traversing thread guide is limited in particular by abrasion and fatigue.
- the object of the invention is to improve the known traversing thread guide, in particular to increase the service life. This solution results from the characterizing part of claim 1.
- the invention turns away from the known efforts. It creates a replacement for the parallelogram-shaped guide plate of the known traversing thread guide. Their importance lies in the fact that the leading edges are assigned a further, previously non-existent function. According to the invention, the guide edges are designed in such a way that they are able to compensate and dampen irregularities in the movement to which the traversing thread guide is subjected by disturbances in the straight guidance and unavoidable vibrations and by the reverse accelerations.
- the first test samples which were not optimized in terms of design, showed an improvement in service life of more than 30% compared to the optimal designs of the known traversing thread guide.
- the guide edges are formed on elongated guide webs which are attached to the traversing thread guide in such a way that the guide edges in contact with the guide flanks are elastically resilient and damping movable relative to the traversing thread guide.
- the guide webs are thus, for example, firmly connected to the traversing thread guide in the middle plane of the shuttle and are designed as thin cantilever arms.
- the leading edges of these guide webs lie on the sides of a diamond-shaped, equilateral parallelogram. They are arranged in the area of at least one of the obtuse angles of the parallelogram.
- 4 guide webs, that is two on each side are fixed at one end to the traversing thread guide, but are connected in a resilient manner. The other end of the guide webs protrude into the area of the acute angles of the parallelogram and can be moved there elastically. By choosing the right material, good damping properties can be ensured.
- the guide webs are cantilever-mounted on the traversing thread guide. This means that the guide webs are elastically movable like spring bars clamped on one side. In order to achieve a sufficiently high level of stability and fatigue strength (number of tolerable load changes), it is necessary to make the guide bars relatively thick in the area of their attachment.
- the guide webs support each other at their free ends. Therefore, in this embodiment, the other guide bar also contributes to the strength of the one guide bar.
- the shuttle for carrying the thread guide which is made of wear-resistant material, preferably carries a central web, which is between the guide webs within the simultaneous parallelogram they have outlined, preferably on the large diagonal thereof Parallelogram.
- the thread guide can be let into this central web.
- the central web is also designed as a flexible, spring-elastic web, which on the one hand ensures sufficient spring elasticity for the guide webs, but on the other hand also contributes to the strength and, in particular, fatigue strength of the guide webs.
- this connection can be made particularly soft, so that this connection also contributes to the elasticity of the guide webs.
- the guide webs are attached directly to the top of the boat.
- at least a part of the underside of the guide webs and - if present also the middle web - is designed so that this part is suitable as a sliding surface from the circumference of the reversing thread roller.
- the guide rails for the straight guide are not U-shaped in cross-section, as in the known embodiment, but L-shaped. The straight guide and fixing of the traversing thread guide in the circumferential direction of the reversing thread shaft is carried out by the parallel flanks of the straight guide.
- the traversing thread guide is fixed in the radial direction to the reversing thread shaft on the side facing away from the reversing thread shaft by the L flank, which protrudes perpendicularly from the guide flank of the straight guide and on the side facing the reversing thread shaft directly by the reversing thread shaft itself.
- the supporting webs are fastened to the central web, approximately in its longitudinal center, and parallel to the boat on the central web and carry the guide webs at their free ends.
- This design is particularly possible and advantageous if the thread guide and the central web, which carries the thread guide, are connected to the boat by a constricted neck, as is the case in a corresponding form in the known traversing thread guide.
- An embodiment which is characterized by a very compact, small design with great stability and good spring and damping properties is characterized in that the guide webs are laterally cantilevered on the top of the boat and the middle web is fixed in between.
- the center web and guide webs are connected to one another by support webs, the support webs also being connected to the boat.
- FIG. 1 The individual exemplary embodiments are described below, the first exemplary embodiment in a top view (FIG. 1), a partial section through the traversing housing and reversing thread shaft (FIG. 2), a perspective top view (FIG. 3) and a perspective bottom view (FIG. 4) ,
- the second embodiment in a partial section through traversing housing and reversing thread shaft (Fig. 5), the third embodiment in a top view (Fig. 6), the fourth embodiment in a top view (Fig. 7) and both of the latter embodiments in a side view with a partial section through Traversing housing and reverse thread shaft are shown in one plane of the thread groove (Fig. 8).
- the traversing thread guide 1 is supported with the underside 13 of the central web and the guide webs in the radial direction on the surface of the reversing thread shaft 7.
- the traversing thread guide is guided in the circumferential direction by its guide webs 6 in the guide rails 9.
- the guide rails 9 are L-shaped. They have two mutually parallel guide flanks 10, on which the two guide webs 6.1, which lie opposite one another, are straight.
- Each guide rail also has a retaining flank 11, which includes the guide webs and support webs up to the region of the central web and prevents the traversing thread guide from falling out of the thread groove 8.
- the contours of the guide webs with their guide edges 12 are shaped such that when the thread pitch is reversed, Change the guide ends of the guide bars. While the guide webs 6.1 with the guide edges 12.1 lead in the slope of the thread groove 8 indicated in FIG. 3, the guide webs 6.2 with the guide edges 12.2 take the lead when the slope is reversed.
- the traversing thread guide can therefore be pivoted at the traversing stroke ends about an axis which is essentially radial to the reversing thread shaft and which is essentially aligned with the guide slot 14 in the thread guide 2.
- Fig. 5 is a Altematiwersion shown in section in the central plane of the boat, in which the central web 3 is connected to the boat 4 by a neck 15.
- the supporting webs 5 sit laterally on the central web - approximately in the central plane of the shuttle 4 -.
- the guide webs 6 sit at the ends of the supporting webs 5.
- the guide rails 9 are U-shaped.
- the guide rails have two further flanks 18 which grip around the guide webs 6 on the front and the back of the traversing thread guide.
- the traversing thread guides - exemplary embodiments according to FIGS. 6 and 7 - and in addition to FIG. 8, are designed similarly to the previously described exemplary embodiments. Common to the exemplary embodiments is that the thread guide 2, which projects beyond the guide rail 9, is fastened to the front of the traversing thread guide 1.
- FIG. 8 shows the alternative version according to FIG. 7 in a side view.
- the lower guide web and the connecting web are partially cut away - as can be seen in FIG. 7.
- part of the underside namely the area which - seen radially to the reversing thread roller - lies below the thread guide, is particularly flat, so that this area can slide on the reversing thread roller and support the traversing thread guide in the radial direction.
- the guide webs 6 are designed as a U-profile. Such profiling on the one hand allows good elasticity, i.e. achieve a low spring constant and, on the other hand, high strength, in particular fatigue strength.
- each individual guide web is designed to be particularly flexible with a low spring constant. The strength is not impaired because the guide web 6 is supported on the opposite guide web 6.
- the support webs 17 can also be particularly soft.
Landscapes
- Winding Filamentary Materials (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
- Knitting Machines (AREA)
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3530804 | 1985-08-29 | ||
DE19853530804 DE3530804A1 (de) | 1985-08-29 | 1985-08-29 | Changierfadenfuehrer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0213462A2 EP0213462A2 (fr) | 1987-03-11 |
EP0213462A3 EP0213462A3 (en) | 1988-04-06 |
EP0213462B1 true EP0213462B1 (fr) | 1990-05-02 |
Family
ID=6279613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86111044A Expired - Lifetime EP0213462B1 (fr) | 1985-08-29 | 1986-08-09 | Guide-fil à va-et-vient |
Country Status (4)
Country | Link |
---|---|
US (1) | US4685637A (fr) |
EP (1) | EP0213462B1 (fr) |
JP (1) | JPH07100566B2 (fr) |
DE (2) | DE3530804A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3721139C2 (de) * | 1986-07-01 | 1994-08-04 | Barmag Barmer Maschf | Changierfadenführer |
GB9026318D0 (en) * | 1990-12-04 | 1991-01-23 | Rieter Scragg Ltd | Winding apparatus |
US5256230A (en) * | 1991-07-03 | 1993-10-26 | Phillips Petroleum Company | Winding of resin impregnated fibers using a heated guide |
JP2582754Y2 (ja) * | 1992-11-24 | 1998-10-08 | 村田機械株式会社 | トラバースシュー |
JP2526839B2 (ja) * | 1993-11-29 | 1996-08-21 | 井関農機株式会社 | 穀物乾燥調製施設における穀物仕分け方法 |
DE19536761A1 (de) * | 1995-10-02 | 1997-04-03 | Schlafhorst & Co W | Kehrgewindeantrieb für Fadenführer einer Spuleinrichtung |
DE19642473C1 (de) * | 1996-10-15 | 1998-01-22 | Sahm Georg Fa | Changierfadenführer für Aufspulmaschinen mit eine endlose Gewindenut aufweisender Kehrgewindewelle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3059874A (en) * | 1961-03-31 | 1962-10-23 | Du Pont | Yarn traversing apparatus |
DE1901305A1 (de) * | 1969-01-11 | 1970-08-06 | Barmag Barmer Maschf | Vorrichtung zum Hin- und Herfuehren eines Fadens in Spulmaschinen |
CH575335A5 (fr) * | 1972-12-11 | 1976-05-14 | Rieter Ag Maschf | |
CH615354A5 (fr) * | 1977-02-04 | 1980-01-31 | Rieter Ag Maschf | |
JPS58224972A (ja) * | 1982-06-24 | 1983-12-27 | Asahi Chem Ind Co Ltd | 糸条トラバ−ス装置 |
JPS5933860U (ja) * | 1982-08-25 | 1984-03-02 | カネボウ株式会社 | トラバ−スガイド用カム |
-
1985
- 1985-08-29 DE DE19853530804 patent/DE3530804A1/de active Granted
-
1986
- 1986-08-09 DE DE8686111044T patent/DE3670823D1/de not_active Expired - Fee Related
- 1986-08-09 EP EP86111044A patent/EP0213462B1/fr not_active Expired - Lifetime
- 1986-08-29 JP JP61201882A patent/JPH07100566B2/ja not_active Expired - Lifetime
- 1986-08-29 US US06/902,305 patent/US4685637A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0213462A2 (fr) | 1987-03-11 |
US4685637A (en) | 1987-08-11 |
DE3530804C2 (fr) | 1989-03-30 |
EP0213462A3 (en) | 1988-04-06 |
DE3670823D1 (de) | 1990-06-07 |
JPS6251571A (ja) | 1987-03-06 |
JPH07100566B2 (ja) | 1995-11-01 |
DE3530804A1 (de) | 1987-03-12 |
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