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
  • B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
  • B65H54/16—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers forming bottle bobbin packages
• • 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
  • B65H54/2821—Traversing devices driven by belts or chains
• • 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 yarn guide unit for a winding device for producing a wound with a yarn package and a winding device.
• yarns such as yarns
• the winder devices have motor-driven Garnspuienhalterungen, by means of which with the yarn (yarn) to be wound yarn packages are driven by a motor about its longitudinal axis.
• the traversing device has, according to an established design, a thread guide which is fastened to a carriage-shaped driver part (thread guide carriage).
• the driver part is by means of a traction device in rapid succession relative to the yarn package back and forth movable. This movement is also called traversing movement.
• the yarn guide should abut the yarn package or on the yarn package wound yarn layer during the winding or winding process with a defined contact force in order to minimize a drag length of the yarn and thus to ensure an always accurate guidance of the yarn.
• the traversing yarn guides used in practice are usually made of a hard yarn-compatible (composite) material with a view to minimizing wear and optimum protection of the yarn to be wound up. That is, the yarn guides are made of cemented carbide, hardened steel, steel with a ceramic coating, glazed hard porcelain, glass, synthetic sapphire, or other ceramic materials such as alumina.
• the object of the invention is to provide a yarn guide unit and a winding device with a yarn guide unit, which allow a precise laying threads on bobbins of any design, especially on king coils, and at the same time have a better overall life when using a yarn guide from a shock-sensitive material.
• the inventive yarn guide unit may be a thread 'very precisely on a yarn package of any type, in particular also to a king spool, are wound.
• the thread guide can be pressed by the spring element in a structurally simple manner with a substantially constant force against the yarn to be wound with the yarn package or on the yarn package already arranged yarn layers.
• the yarn guide When winding the thread onto a conical base disk of the yarn package (kong coil), the yarn guide can be deflected in contact with the conical base disk under elastic deformation of the spring element in a radially outward direction, ie away from the axis of rotation of the yarn package, with respect to the yarn guide carriage.
• the spring element automatically returns to its starting position.
• the thread can be wound on the bottom plate of the bobbin precisely and at the same time gentle on the thread without a complex positioning mechanism in the area of the base plate.
• An unguided thread section (drag length) can be reliably avoided.
• the spring element by the spring element, a mechanical overloading of the thread guide and the thread guide unit as well as on the yarn package stored yarn layers are avoided altogether. Since the thread guide is fastened via the spring element to the thread guide carriage and is thus spring-elastically articulated on it, mechanical loads acting on the thread guide during a winding process can be reduced in a simple manner.
• the thread guide is attached in the structurally simplest case aliein on the spring element on the thread guide carriage.
• the thread guide carriage preferably has guide means, via which the thread guide carriage can additionally be guided on a profile rail of the winding device, as is known from linear guides.
• the spring element as a, preferably one-piece, flat metal strip, d. h., As a leaf spring, be formed.
• the spring element may in particular consist of a spring steel.
• the spring element is preferably attached at one end to the thread guide carriage and carries the other end, d. H. with its free end section, the thread guide.
• the spring element is according to the invention advantageously releasably on the thread guide carriage, in particular by means of a clamping or locking connection attached.
• the clamping or locking connection is preferably designed such that it forcibly dissolves at a defined load, in particular at a defined thread tension.
• a mechanical load on the spring element and / or the thread guide can be easily limited and their damage avoided.
• the thread guide carriage and the spring element can be easily mounted on the thread guide carriage and replaced individually, if necessary.
• the thread guide is preferably glued according to the invention on the spring element. Due to the thermal loads occurring during a winding process, a two-component adhesive suitable for the temperature range of application is preferably used in this regard.
• the thread guide carriage preferably has a stop element for the spring element.
• a maximum deflection of the spring element can be limited.
• overloading of the spring element or of the thread guide for example, when replacing a coil already wound with the thread against an unwound coil, can be avoided in a simple manner. Also, this can be counteracted damage to the thread guide carriage.
• the Anschiagelement is preferably formed under production engineering aspects of the thread guide carriage, d. h., integrally formed with this.
• an attenuator for vibration-damped mounting of the spring element is provided on the thread guide carriage.
• the attenuator may in particular be formed from a foam, from sponge rubber or from another suitable elastomer.
• the attenuator is arranged in the structurally simplest case between the spring element and the thread guide carriage and can in particular be glued to the thread guide carriage or the spring element.
• an unwanted lifting of the yarn guide from the yarn package during the laying or winding process can be prevented by the attenuator.
• the thread guide preferably has a thread guide eyelet and one of the thread guide eyelet downstream in the thread running direction Faden arrangementsnut.
• the yarn guide loop allows an initial coarse guidance of the yarn, while the yarn guide allows a precise thread guidance required for the laying of the yarn on the yarn package.
• the yarn guide loop allows with appropriate supply of the thread to the yarn guide eyelet, that the yarn guide is pressed with a derived from a (controllable) yarn tension pressing force against the yarn to be wound with the yarn.
• This contact pressure is preferably substantially rectified to the spring force of the spring element and therefore supports a secure contact of the yarn guide on the yarn package.
• deflection surfaces are provided on the input side to both sides of the yarn guide.
• the deflecting surfaces are preferably arranged at an acute angle to the thread running direction. Alternatively or additionally, the deflecting surfaces can also be arched (cambered).
• the thread to be wound up on the spool can be guided past the thread guide groove before the occurrence of a defect region of the thread, for example a knot. A jamming of the thread with the risk of yarn breakage can be reliably prevented. Also, damage to the yarn guide unit during the winding process can thereby be avoided.
• the yarn guide eyelet in any case has such a clear passage cross-section that a thread with defect points can pass through the thread guide eyelet without jamming in this.
• the thread guide groove according to the invention preferably has such an (active) length that the thread to be wound up on the spool can always be guided within the thread guide groove at least on the input or output side during a winding process.
• the thread guide eyelet preferably has a passage channel which narrows in a funnel shape at least in sections in the thread running direction.
• threading of the thread in the thread guide eyelet and the thread guide they have preferably facing away from each other, d. h., pointing in different directions, threading openings. This also counteracts unwanted (automatic) unthreading of the thread from the thread guide eyelet and the Faden arrangementsnut during the winding process.
• the threading of the thread guide eyelet is preferably formed as a slot-shaped shell-side wall recess of the thread guide eyelet.
• the threading-in opening of the thread guide groove is preferably formed by a groove opening of the thread guide groove extending in the thread running direction.
• the ceramic yarn guide according to the invention may be formed in one piece or two or more pieces.
• the spring element in the region of its free end section, preferably has a first holding section for holding the thread guide part having the thread guide groove and a second holding section for holding the thread guide part having the thread guide eyelet.
• the first holding portion and the second holding portion may be arranged according to the invention, in particular at an angle to each other.
• the individual components of the multi-piece thread guide can be arranged in a simplified manner at a predetermined position and with a predetermined orientation to one another on the spring element.
• the thread guide carriage is preferably made of lightweight construction in lightweight construction.
• the thread guide carriage can be formed according to the invention, in particular of a plastic or a composite material. Thereby, an inertia of the yarn guide unit can be minimized.
• the yarn guide may be made of cemented carbide, hardened steel, steel with a ceramic coating, glazed hard porcelain, glass, synthetic sapphire or other ceramic materials such as alumina.
• a traction means oscillating back and forth along the yarn package.
• On the traction means a trained in the manner described above yarn guide unit is attached with a ceramic yarn guide.
• the thread is preferably fed to the thread guide eyelet in such a way that the thread guide is pressed against the yarn package to be wound with the thread with a contact force derived from the thread tension.
• This contact pressure is substantially rectified to the (in the installed state of the yarn guide unit in the direction of the yarn package directed) spring force of the spring element and therefore supports a secure system of the yarn guide on the yarn package during the winding process.
• a thread guide unit for a winding device for winding a thread onto a yarn package.
• the thread guide unit comprises a thread guide carriage which can be fastened to a traction device of the winding device which can be moved back and forth in an oscillating manner.
• the thread guide unit has a single or multi-piece trained, preferably ceramic, thread guide, which is attached only via a spring element on the thread guide carriage and thus articulated resiliently on the thread guide carriage.
• the invention also relates to a winding device with such a thread guide unit.
• 1 is a winding device for producing a wound with a yarn package, with a traversing unit, which has a reciprocating traction means, wherein on the traction means a yarn guide unit is attached to a Faden traditionallyschiitten on which a ceramic yarn guide is hinged resiliently, in a perspective view;
• FIG. 2 shows a detailed view of the winding device from FIG. 1, in an end view
• Fig. 3 is a detail view of the yarn guide unit of Figure 1, in which the two-piece yarn guide is articulated via a spring element on Fadennostiitten, in a perspective front view.
• FIG. 4 shows a detailed view of the spring element from FIG. 3, in a plan view
• Fig. 5 is a yarn guide part of the yarn guide of Figure 3 with a
• the winding device 10 comprises a yarn package holder 12, a traversing device 14 with a drive motor 16 and a control device 18 for controlling the functions of the winding device 10.
• Garnspulenhalterung 12 a to be wound with the thread 20 Garnspule 22 is arranged.
• the yarn package 22 can be driven in rotation about a rotation axis 24 by means of the yarn package holder 12.
• the yarn package 22 has a Coil shaft 26 with a conical base plate 28 disposed thereon.
• Such trained yarn packages 22 are referred to in practice as so-called Kings coils.
• the traversing device 14 comprises an endless traction means 30 guided around deflecting rollers (not shown), which in the present case is designed as a toothed belt.
• the traction means 30 can be driven by means of the drive motor 16.
• a yarn guide unit 32 of the traversing device 14 is attached, which serves a targeted feeding of the yarn 20 to the yarn package 22.
• the thread guide unit 32 is by means of the traction means 30 in the direction of the axis of rotation 24 between two variably predetermined end positions E relative to the yarn package 22 back and forth, as is illustrated by double arrow 34.
• the yarn guide unit 32 has in this regard a yarn guide 36 which is arranged on a yarn guide carriage 38.
• the yarn guide carriage 38 is slidably mounted on a rail 40 along the axis of rotation 24 of the yarn package holder 12 and attached to the traction means 30.
• the rotational movement of the yarn package 22 about the axis of rotation 24 and the traversing movement of the yarn guide 36, in particular a respective axial position of the end positions E, are controllable or controllable by means of the control device 18. It is understood that the control device 18 may also be provided at another position of the winding device 10 or as an external unit.
• the yarn guide 36 abuts on the yarn package 22 under a defined pretension and is deflectable essentially in the direction of an axis Z of an operating coordinate system A of the winding device 10 relative to the yarn guide carriage 38.
• the relative position of the yarn guide unit 32 and the yarn package 22 during a winding process can be seen in detail from FIG. 2, in which the winding apparatus 10 from FIG. 1 is reproduced in detail in a frontal detail view.
• the yarn guide 36 is presently formed in two parts and has a trained as a yarn guide eyelet 36a first and one of the yarn guide eyelet 36a in the thread running direction 42 downstream second yarn guide part 36b.
• the second yarn guide part 36b is located on the tangible yarn 20 to be wound with the yarn 20 tangentially from below resiliently.
• FIG. 3 shows the thread guide unit 32 according to the invention from FIG. 2 in a perspective front view.
• the Fadenterrorismsch suffered 38 has a foot portion 44 and a head portion 46.
• the foot portion 44 forms a groove 48 for the rail 40 (Fig. 1).
• the thread guide carriage 38 is preferably made of a plastic or a plastic composite material for reasons of weight.
• the head portion 46 of the yarn guide carriage 38 is provided with first and second fixing grooves 50, 52 which are arranged parallel to each other and over each other.
• the first fastening groove 50 serves to receive the pulling means 30 shown in FIGS. 1 and 2 and thus to couple the thread guide carriage 38 to the pulling means 30.
• a spring element 54 is releasably secured, which extends substantially parallel to the longitudinal axis 56 of the yarn guide carriage 38.
• the spring element 54 is designed in the sense of a leaf spring as a substantially flat metal band.
• the second fastening groove 52 is formed between two clamping legs 58, 58 'of the head section 46.
• a free end 59 of the spring element 54 is substantially elastically deformable about a spring axis designated 60 in the direction of the double arrow 62 with respect to the Faden technologicalschiitten 38, d. h., deflectable. When installed, this results in (approximately) a resiliently deflectable arrangement of the yarn guide 36 in the direction of Z designated spatial axis of the winding device 10 (Fig. 1) relative to the Faden administratschiitten 38.
• the deflection of the spring element 54 is upwardly by a stop element 64 of the thread guide carriage 38 limited, which covers the spring element 54 from above.
• the spring element 54 can only be deflected in the direction of the spatial axis designated Z (FIG. 1) relative to the yarn guide rail and, moreover, is arranged rigidly on the yarn guide rail 38. That is, in the direction of the spatial directions indicated by X and Y, the spring member 54 is rigidly designed, that is, in the direction of the spatial directions indicated by X and Y. h., only insignificantly deformable.
• the spring element 54 may be designed to be twistable.
• an attenuator 66 is arranged, on which the spring element 54 rests in its rest position shown.
• the attenuator 66 serves to dampen deflecting movements of the spring element 54 (and the thread guide 36 arranged thereon) in the direction of the double arrow 62.
• the attenuator 66 may be formed from a foam or other material with Dämfungseigenschaften.
• the attenuator 66 may also be glued to the Faden administratitten 38 or attached in any other way.
• the ceramic yarn guide 36 is thus alone (exclusively) via the spring element 54 at the Faden administratitten 38 spring-mounted.
• the spring element 54 has at its free end portion 68 a first and a second holding portion 70, 70 ' .
• the thread guide eyelet 36a of the thread guide 36 has a passage opening 72, which narrows in a funnel shape in the thread running direction 42 (FIG. 2).
• the thread guide eye 36a has mantei mac a slot-shaped threading opening 74 for (automated) threading the wound up on the yarn package thread 20.
• the second yarn guide part 36b has a yarn guide groove 76 which extends through the second yarn guide part.
• the thread guide groove 76 serves for precise guidance of the yarn 20 to be wound up on the yarn package.
• the second yarn guide part 36b has a Garnspulenstromisation 78 interrupted by the Faden arrangementsnut 76, with which the second yarn guide part 36b rests during a winding process on the yarn to be wound with the yarn.
• the yarn bobbin contact surface 78 is substantially planar, but may also be shaped differently.
• the second yarn guide part 36b may be glued to the second holding section 70 'of the spring element 54, preferably with a two-component adhesive, or else attached in another way.
• the second yarn guide part 36b has deflecting surfaces 80 on both sides of the yarn guide groove 76.
• the Abweisfizzen 80 are arranged to the yarn running direction 42 (Fig. 2) obliquely (inclined surfaces) and can be curved.
• the deflecting surfaces 80 are used during the winding process to reject defects of the thread 20, in particular knots, so that they are passed over the second thread guide part 36b and not drawn into the Faden Entrysnut 76. A jamming of the thread in the Faden Installationsnut 76 and tearing thereof, as well as damage to the thread guide unit 32 is counteracted.
• the spring element 54 is reproduced in a detached representation without the thread guide carriage and without the thread guide in a plan view.
• the holding section 70 of the spring element 54 has a holding recess 82 for the thread guide eyelet 36a (FIG. 3).
• the spring element 54 has at one end a fastening section 84, by means of which the spring element 54 can be fastened in the second fastening groove 52 (FIG. 3).
• the two holding portions 70, 70 ' are arranged angled against each other.
• FIG. 5 shows the second yarn guide part 36b in an exposed perspective view.
• the approximate thread running direction during a winding process is indicated at 42.
• the thread guide groove 76 has such an active length L that even a thread with such a defect, ie in particular a knotted thread, can be guided at any time within the thread guide groove 76 at least at the entrance or exit.
• the second thread guide part 36b can be fastened to the second holding section 70 'of the spring element 54 (FIG. 3) via its attachment surface 86 pointing downwards in FIG.
• the ceramic yarn guide 36 may also be integrally formed and then preferably a Faden operationssinate 36a and one of the yarn guide eyelet 36a in the yarn running direction 42 downstream Faden arrangementsnut 76 may have.
• the yarn guide 36 may in principle also be made of hard metal, hardened steel, steel with a ceramic coating, glazed hard porcelain, glass, synthetic sapphire or a ceramic composite material.

Landscapes

• Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=48128310

Family Applications (1)

Country Status (3)

Cited By (1)

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Citations (8)

Family Cites Families (1)

• 2012
  • 2012-05-04 DE DE201210207428 patent/DE102012207428B9/de not_active Expired - Fee Related
• 2013
  • 2013-04-17 WO PCT/EP2013/057959 patent/WO2013164190A1/fr not_active Ceased
  • 2013-04-22 TW TW102114237A patent/TW201348114A/zh unknown

Patent Citations (8)

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