EP2247521A1 - Support de bobine - Google Patents

Support de bobine

Info

Publication number
EP2247521A1
EP2247521A1 EP09716443A EP09716443A EP2247521A1 EP 2247521 A1 EP2247521 A1 EP 2247521A1 EP 09716443 A EP09716443 A EP 09716443A EP 09716443 A EP09716443 A EP 09716443A EP 2247521 A1 EP2247521 A1 EP 2247521A1
Authority
EP
European Patent Office
Prior art keywords
clamping
drive shaft
bobbin holder
ring
holder according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09716443A
Other languages
German (de)
English (en)
Other versions
EP2247521B1 (fr
Inventor
Jan Westphal
Claus Matthies
Friedrich Lennemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2247521A1 publication Critical patent/EP2247521A1/fr
Application granted granted Critical
Publication of EP2247521B1 publication Critical patent/EP2247521B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H54/40—Arrangements for rotating packages
    • B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B65H54/543—Securing cores or holders to supporting or driving members, e.g. collapsible mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/245—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material
    • 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 bobbin holder for mounting a winding tube and receiving a wound bobbin.
  • a generic bobbin holder is known from US 4,458,850.
  • the wound thread bobbins are usually wound and held on the circumference of a winding tube.
  • the bobbins are held and driven by a bobbin holder, wherein the bobbin holders have releasable clamping devices, so that the bobbins can be easily changed at the beginning of the process and at the end of the process.
  • bobbin holders have proved successful in which the bobbin tubes are pushed onto a free projecting end of the bobbin holder.
  • the clamping device for fixing the winding tube are arranged in such a coil holders on the circumference of a drive shaft.
  • a bobbin holder From US 4,458,850 such a bobbin holder emerges.
  • the trained on the circumference of a drive shaft clamping device is formed by a plurality of clamping sleeves and a plurality of clamping rings, each having a circumferential clamping collar protruding between the clamping sleeves.
  • a clamping sleeve held at the end of the drive shaft is connected to a tensioning piston, which is guided in a guide opening of the drive shaft.
  • the clamping sleeves are displaced against the stop by means of the clamping piston on the circumference of the drive shaft such that the clamping rings arranged between the clamping sleeves deform and thereby generate a clamping force on the inner circumference of the winding sleeves.
  • the clamping rings are formed from a deformable very soft material such as an elastomer.
  • high deformations must thus be generated on the clamping ring to achieve high clamping forces in particular for the fixation of the winding tube with wound bobbin. The consequent fatigue of the material thus allows only low operating times of such Spulhalter. Already after short running times of the bobbin holder a change of the clamping rings due to material wear is necessary.
  • clamping ring has a continuous separating slot on the circumference, which extends between two opposite ring ends of the clamping ring.
  • the invention is based on the principle that the generation of the radial forces for fixing the winding tubes takes place solely from the material deformation of the clamping ring out.
  • the invention essentially utilizes the geometric nature of the clamping ring to generate radial forces for tensioning the winding tubes.
  • the clamping ring is cut at the periphery at one point, so that there are two opposite in a separating slot ring ends of the clamping ring.
  • the essential clamping force from the change in the geometric shape of the clamping ring out As a result, relatively firm and hard materials for the clamping ring can be used, which have correspondingly long service life.
  • the clamping ring is provided in a region opposite the separating slot at least with a mass balance opening. This allows the masses of the clamping ring held on the circumference of the drive shaft to be distributed uniformly, so that larger imbalance phenomena are avoided.
  • the embodiment of the invention in which the mass balance openings of their size and / or number is such that in the tensioned state of the clamping ring with splayed ring ends a complete mass balance is generated at the periphery of the drive shaft.
  • the mass balance openings of their size and / or number is such that in the tensioned state of the clamping ring with splayed ring ends a complete mass balance is generated at the periphery of the drive shaft.
  • the separating slot in the clamping ring is preferably designed to be axially aligned and designed with a slot height of ⁇ 2 mm. In principle, however, it is also possible to form the separating slot in an oblique arrangement in the clamping ring.
  • the clamping ring is preferably carried out according to the advantageous embodiment of the invention, in which the clamping ring on both end sides of the clamping collar each having an inclined clamping surface which cooperates with a pressure surface of the clamping sleeve.
  • the clamping surfaces preferably have an angle of inclination in the range between 15 ° and 45 ° with respect to a normal of the clamping collar.
  • the clamping ring on an inner cylindrical holding web, which is connected to the circumference in a central region with the clamping collar in such a way that the retaining web to the end faces forms projections.
  • the holding web is interrupted at the periphery by a plurality of cutouts, which are arranged distributed uniformly over the circumference. This sufficient elasticity of the clamping ring is generated even with very solid materials, which allow the spreading of the clamping ring.
  • one of the clamping sleeves is preferably formed with a cup-shaped front end and guided directly at the free end of the drive shaft.
  • a guided within a guide opening of the drive shaft piston in a simple manner at the front end of the drive shaft with the clamping sleeve connect.
  • the clamping piston is preferably held within the guide opening by means of a spring force of a compression spring in a clamping position at which the clamping sleeves spread open the clamping rings.
  • the tensioning piston can be guided into a release position by means of a fluid force of an optionally deliverable pressure fluid.
  • the drive shaft is connected to the stored end with a rotor of an electric motor.
  • the rotor is arranged for this purpose directly on the circumference of the drive shaft, wherein the rotor is associated with an opposite stator of the electric motor.
  • the drive shaft can be stored preferably by a plurality of rolling bearings, which are arranged on both sides of the rotor and are held in a motor housing of the electric motor.
  • Fig. 1 shows schematically a cross-sectional view of an embodiment of the coil holder according to the invention
  • FIG. 3 shows schematically several views of a clamping ring of the bobbin holder according to FIG. 1
  • a first embodiment of the coil holder according to the invention is shown schematically in a cross-sectional view.
  • the bobbin holder has a drive shaft 1 which has a bearing end 2 and a cantilevered tensioning end 3.
  • a clamping device 4 is held in order to clamp a winding tube 36 on the circumference of the exciting end 3 of the drive shaft 1.
  • the clamping device 4 has a plurality on the circumference of the drive shaft 1 successively arranged clamping sleeves 5.1, 5.2 and 5.3. Between the clamping sleeves 5.1 and 5.2 and between the clamping sleeves 5.2 and 5.3 each have a clamping ring 6.1 and 6.2 is arranged. In this case, the clamping rings protrude 6.1 and 6.2, each with a clamping collar 17 between the clamping sleeves 5.1, 5.2 and 5.3.
  • FIGS. 2 and 3 In which one of the clamping rings 6.1 is shown schematically in several views. The following description applies to both figures, insofar as no explicit reference is made to one of the figures.
  • the clamping ring 6.1 has a circumferential clamping collar 17.
  • the clamping collar 17 is severed at one point of the circumference by a separating slot 20 throughout.
  • the separating slot 20 extends between the opposing ring ends 21.1 and 21.2.
  • the distance between the ring ends 21.1 and 21.2 forms the height of the separating slot 20, which is indicated in Fig. 2 by the lower case letter h.
  • the separating slot 20 is very narrow in its height and is preferably designed to be less than 2 mm.
  • a plurality of mass balance openings 22 are introduced into the clamping collar 17.
  • the number and size of the mass balance openings 22 is designed for a geometric shape of the clamping ring, which is set under load in the spread state of the ring ends 21.1 and 21.2.
  • the ring ends 21.1 and 21.2 in the separating slot 20 with a greater distance from each other, so that sets on the circumference of the drive shaft on the side of the separating slots a greater mass loss through the separating slot 20.
  • a plurality of mass compensation openings 22 are formed on the opposite side of the separating slot 20, so that the clamping ring 6.1 does not generate any imbalance on the circumference of the drive shaft.
  • two opposing clamping surfaces 18.1 and 18.2 are formed on the clamping collar 17 of the clamping ring.
  • the clamping surfaces 18.1 and 18.2 have a tilt angle ⁇ relative to a normal.
  • the inclination angle ⁇ is identical in both clamping surfaces 18.1 and 18.2 and is preferably in a range of 15 ° to 45 °.
  • the clamping surfaces 18.1 and 18.2 act in the operating state - as explained later - with pressure surfaces 25 of the clamping sleeves 5.1, 5.2 and 5.3 together.
  • a circumferential cylindrical holding web 19 is formed, which forms a projection 24 for each end face of the clamping ring 6.1.
  • the holding web 19 is connected to the clamping collar 17 in the central region.
  • the holding web 19 and the clamping collar 17 is severed at several points of the circumference by cutouts 23.
  • the cutouts 23 are uniformly distributed on the circumference of the retaining web 19.
  • the holder web 19 is severed into a plurality of sections.
  • the size and shape of the cutouts 23 is dimensioned such that, despite the use of a solid material, for example, a hard plastic sufficient elasticity of the clamping ring for spreading the ring ends 21.1 and 21.2 results.
  • FIG. 1 the clamping ring 6.1 and the same to the clamping ring 6.1 formed clamping ring 6.2 is shown in an expanded position for fixing the winding tube 36.
  • the clamping rings 6.1 and 6.2 are held by the winding tubes 5.1, 5.2 and 5.3.
  • the bearing end 2 of the drive shaft 1 facing clamping sleeve 5.1 is preferably fixed to the circumference of the drive shaft 1 and forms a stop with an excellent collar 29.
  • the clamping sleeve 5.1 a pressure surface 25 and an indentation 26 to a To allow surface contact and contact with the clamping ring 6.1.
  • the adjoining clamping sleeve 5.2 is displaceably guided on the circumference of the drive shaft 1 and has a respective pressure surface 25 and an indentation 26 at both front ends.
  • the clamping sleeve 5.2 is located with its left pressure surface
  • the guided at the end of the drive shaft 1 clamping sleeve 5.3 also has a relation to the clamping ring 6.2 formed pressure surface 25 and an incision
  • the clamping sleeves 5.1, 5.2 and 5.3 a plurality of material recesses 28.
  • the clamping sleeves 5.2 and 5.3 relative to the circumference of the drive shaft 1 realize small sliding surfaces.
  • unnecessary material accumulations are avoided on the circumference of the drive shaft 1.
  • the front end 14 of the clamping sleeve 5.3 is connected via a fastening means 35 with a clamping piston 7.
  • the tensioning piston 7 is designed as a stepped piston and is guided in a guide opening 8 at the free end face of the drive shaft 1.
  • the clamping piston 7 has a guide section 11, which is guided pressure-tight in the guide opening 8.
  • a pressure chamber 37 is formed at the closed end of the guide opening 8, which acts on the end face of the guide portion 11.
  • the pressure chamber 37 is connected via a fluid channel 15 with a arranged at the bearing end 2 of the drive shaft 1 fluid port 16.
  • the clamping piston 7 has a smaller diameter holding portion 13 which protrudes with its free end from the guide opening 8 and is fixedly connected to the front end 14 of the clamping sleeve 5.3.
  • a compression spring 10 is held within the guide opening 8, on the one hand a diameter stage between the guide portion 11 and the holding portion 13 of the clamping piston 7 is supported and on the other hand held by a fixed to the guide opening 8 retaining ring 9.
  • the holder ring 9 has an opening in the center, which is penetrated by the holding portion 13 of the clamping piston 7.
  • the drive shaft 1 is coupled to the bearing end 2 with an electric motor 32.
  • a rotor 33 is fixed to the circumference of the drive shaft 1, which cooperates with an opposite stator 34 of the electric motor 32.
  • a roller bearing 31.1 and 31.2 are respectively held in a motor housing 30, in which the drive shaft 1 is mounted with the bearing end 2.
  • the bearing end 2 of the drive shaft 1 is provided for this purpose with a plurality of diameter steps.
  • the tensioning device 4 In order to suspend and tension a winding tube 36 at the circumference of the bobbin holder at the beginning of a winding operation, the tensioning device 4 is held in an untensioned state.
  • a pressurized fluid is conducted into the fluid channel 15 and pressure chamber 37 via the fluid connection piece.
  • the pressure fluid acting on the end face of the guide section 11 of the tensioning piston 7 generates a fluid force which displaces the tensioning piston 7 against the compression spring 10 in the direction toward the free end of the drive shaft 1 in a release position.
  • the clamping sleeve 5.3 is also moved to the free end of the drive shaft 1, so that the clamping rings 6.1 and 6.2 released from their tension become.
  • the spreading of the clamping rings 6.1 and 6.2 dissolves and the respective ring ends 21.1 and 21.2 lie with a short distance to each other around the circumference of the drive shaft 1 at. In this state, the winding tubes 36 are changed at the Spulhalter.
  • the clamping device 4 is placed in a tensioned state.
  • the pressure fluid within the pressure chamber 37 is placed in a non-pressurized state, so that the tensioning piston 7 is displaced by the spring force of the compression spring 10 in a clamping position in the direction towards the bearing end 2.
  • the clamping sleeve 5.3 is also moved over the clamping piston 7 in the direction of the stop 29, so that the sleeve package 5.1, 5.2 and 5.3 is clamped with the intermediate clamping rings 6.1 and 6.2.
  • the drive shaft 1 is driven by the tensioning device 4 via the electric motor 32.
  • FIG. 1 The exemplary embodiment illustrated in FIG. 1, in particular the embodiment of the clamping ring shown in FIGS. 2 and 3, is exemplary.
  • a clamping device can be realized with similar shapes of the clamping ring, wherein it is essential here that the radial clamping force is generated essentially by a radial spreading of the ring ends of the clamping ring.

Landscapes

  • Winding Filamentary Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

L’invention concerne un support de bobine destiné à monter une douille de bobine (36) et à recevoir une bobine de fil enroulée. Le support de bobine présente à cet effet un arbre d’entraînement rotatif (1) qui est relié par une extrémité de palier avec un mécanisme d’entraînement (32) et qui présente à une extrémité de serrage un dispositif de serrage (4) pour le serrage d’une douille de bobine. Le dispositif de serrage (4) présente plusieurs douilles de serrage (5.2, 5.3) sur le pourtour de l’arbre d’entraînement (1) et des bagues de serrage (6.1) interposées entre elles. Un piston de serrage (7) guidé à l’extrémité libre (2) de l’arbre d’entraînement agit ici sur au moins l’une des douilles de serrage pour déformer les bagues de serrage. Pour pouvoir utiliser des matériaux les plus résistants possible pour la bague de serrage, conformément à l’invention, celle-ci présente sur son pourtour une fente de séparation (20) continue qui s’étend entre deux extrémités de bague opposées (21.1, 21.2) de la bague de serrage. La déformation est ainsi obtenue essentiellement par un écartement de la bague de serrage.
EP09716443.8A 2008-03-07 2009-03-02 Support de bobine Not-in-force EP2247521B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008013125A DE102008013125A1 (de) 2008-03-07 2008-03-07 Spulenhalter
PCT/EP2009/052469 WO2009109554A1 (fr) 2008-03-07 2009-03-02 Support de bobine

Publications (2)

Publication Number Publication Date
EP2247521A1 true EP2247521A1 (fr) 2010-11-10
EP2247521B1 EP2247521B1 (fr) 2013-08-07

Family

ID=40720776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09716443.8A Not-in-force EP2247521B1 (fr) 2008-03-07 2009-03-02 Support de bobine

Country Status (5)

Country Link
US (1) US8523100B2 (fr)
EP (1) EP2247521B1 (fr)
CN (1) CN101959779B (fr)
DE (1) DE102008013125A1 (fr)
WO (1) WO2009109554A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8844859B2 (en) * 2011-05-02 2014-09-30 Illinois Tool Works, Inc. Expandable chuck for thermal printing ribbon reel
US10434292B2 (en) * 2011-06-24 2019-10-08 Access Closure Method and devices for flow occlusion during device exchanges
CN102658984A (zh) * 2012-05-02 2012-09-12 天津三英焊业股份有限公司 解卷机
CN103640927A (zh) * 2013-12-25 2014-03-19 吴江市菀坪宝得利缝制设备机械厂 一种绕线套胀接管
EP3225577A1 (fr) * 2016-03-31 2017-10-04 Olympic Holding B.V. Arbre d'expansion en porte-à-faux
KR101880205B1 (ko) * 2017-05-16 2018-07-20 일진에이테크 주식회사 지관 척킹 장치
DE102018000259A1 (de) * 2018-01-13 2019-07-18 Oerlikon Textile Gmbh & Co. Kg Adaptereinrichtung zum Halten zumindest einer Spulhülse
CN108483138B (zh) * 2018-05-14 2024-05-14 蚌埠金黄山凹版印刷有限公司 烫金机及电化铝卷材的收放装置
CN109052013A (zh) * 2018-09-29 2018-12-21 张家港欣欣高纤股份有限公司 一种涤纶长丝产品加工用高速纺丝机对筒管夹紧装置
CN113677610B (zh) * 2019-04-17 2024-01-19 欧瑞康纺织有限及两合公司 筒子壳体
GB2589889B (en) 2019-12-11 2022-03-16 Dyson Technology Ltd A method of preparing sheet material for dividing into discrete stacks
GB2590372B (en) * 2019-12-11 2022-02-09 Dyson Technology Ltd A drum for reeling sheet material
CN111731910B (zh) * 2020-08-05 2025-02-18 邯郸宏大化纤机械有限公司 一种卷绕辊
DE102021101530A1 (de) * 2021-01-25 2022-07-28 Achenbach Buschhütten GmbH & Co. KG Haspel zum Aufwickeln oder Abwickeln von bandförmigen Material und Verfahren
DE102022116443B3 (de) * 2021-07-14 2022-10-27 Oerlikon Textile Gmbh & Co. Kg Aufspulmaschine
CN114162643B (zh) * 2022-01-14 2025-07-29 江苏鹰游纺机有限公司 一种卷绕机纸筒锁紧装置

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DE628962C (de) 1934-03-23 1936-04-20 Feldmuehle A G Vorm Loeb Schoe Aufwickelkoerper fuer frisch gesponnene Kunstseidefaeden mit radial bewegbaren Laengsteilen
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CH443993A (de) * 1966-12-13 1967-09-15 Rieter Ag Maschf Spulenspanndorn
US4241883A (en) 1979-08-24 1980-12-30 E. I. Du Pont De Nemours And Company Manually operated bobbin chuck
JPS5867845U (ja) 1981-10-30 1983-05-09 帝人株式会社 ボビンの緊着装置
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Also Published As

Publication number Publication date
US20110062275A1 (en) 2011-03-17
WO2009109554A1 (fr) 2009-09-11
US8523100B2 (en) 2013-09-03
CN101959779B (zh) 2013-02-13
CN101959779A (zh) 2011-01-26
EP2247521B1 (fr) 2013-08-07
DE102008013125A1 (de) 2009-09-10

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