EP1316524B1 - Arbre d'enroulement avec accouplement à friction - Google Patents

Arbre d'enroulement avec accouplement à friction Download PDF

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Publication number
EP1316524B1
EP1316524B1 EP01128585A EP01128585A EP1316524B1 EP 1316524 B1 EP1316524 B1 EP 1316524B1 EP 01128585 A EP01128585 A EP 01128585A EP 01128585 A EP01128585 A EP 01128585A EP 1316524 B1 EP1316524 B1 EP 1316524B1
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EP
European Patent Office
Prior art keywords
winding
clamping
winding shaft
friction coupling
rings
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
EP01128585A
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German (de)
English (en)
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EP1316524A1 (fr
Inventor
Hans Heuser
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Individual
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Individual
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Priority to EP01128585A priority Critical patent/EP1316524B1/fr
Priority to DE50110955T priority patent/DE50110955D1/de
Priority to AT01128585T priority patent/ATE338722T1/de
Priority to US10/305,573 priority patent/US6749147B2/en
Publication of EP1316524A1 publication Critical patent/EP1316524A1/fr
Application granted granted Critical
Publication of EP1316524B1 publication Critical patent/EP1316524B1/fr
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    • 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
    • B65H75/246—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by relative rotation around the supporting spindle or core axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/73—Couplings
    • B65H2403/731—Slip couplings

Definitions

  • the invention relates to a friction winding shaft, in particular for slitter-winder and winding machines, for the frictional reception of tubular winding cores for aufwickelnde strip-shaped belts with the other features according to the preamble of claim 1.
  • a preferred but not exclusive field of application of these winding shafts is thus the winding of strip-like bands or films, such as adhesive strips, which are divided by the production width into narrow strips and assembled on sleeve-shaped hubs.
  • strip-like bands or films such as adhesive strips
  • FIG. 1 A preferred but not exclusive field of application of these winding shafts is thus the winding of strip-like bands or films, such as adhesive strips, which are divided by the production width into narrow strips and assembled on sleeve-shaped hubs.
  • several hubs are pushed side by side on a shaft and rotated in the winding.
  • the torque transmission to the individual winding core takes place by frictional engagement, so that in the case of a blockage only the individual winding core is held.
  • a specific same winding tension is achieved for each sleeve.
  • the reproducible winding tension increases the quality and accuracy of the winding.
  • a plurality of rings is provided, which are tightly but tightly against each other rotatably mounted on a drive shaft.
  • the rings have in the outer circumferential surface longitudinal slots in which leaf springs are used .
  • the leaf springs are slightly inclined to the radial in the drive direction and lie with their free ends with bias against the inner surface of the hubs on.
  • Fritationswickelwelle in particular as regards the arrangement of the attached hub supports, so by the intended operation of the slitter and winder, in particular by the respective given shaft rotation, predetermined.
  • the object of the invention is therefore to further develop a generic friction winding shaft in such a way that it is extremely flexible in terms of its application possibilities and nevertheless allows continued easy handling, in particular with regard to the attachment of the winding cores.
  • abutment surfaces are so dimensioned and aligned that define their pivot end positions located clamping body of each ring with their tips define a circle whose diameter is smaller or at most equal to the inner diameter d w , while for a circle defined by the clamping body points located in their dead center positions, the resulting diameter d t is greater than the inner diameter d w of the winding core.
  • each clamping body is not supported on a lateral contact surface of an annular recess, but with its cylindrical base body at the bottom of the recess, it is advantageous according to a development of the invention according to claim 2, when the terminal body tip with a the rotational direction D 1 or D 2 of the drive shaft opposite circumferential core force F u1 or F u2 includes an acute angle ⁇ , so that the clamping body is close to its pivot end position and its tip can interlock correspondingly intense with the winding core inner surface .
  • each recess in a ring for receiving a clamping body is axially symmetrical to an axis of symmetry formed by a radial beam, the dead center position of each clamping body is aligned with the radial beam.
  • a notch in the clamp body for receiving a spring load ensuring spring wire is aligned orthogonal to the symmetry axis formed by the radial beam.
  • Clamping body with stepped tip and a tip angle ⁇ of 50 ° to 60 °, preferably 54 °, as well as with two-sided chamfers of about 45 ° (inclination angle ⁇ ) ensure both an optimal rotationally fixed coupling or driving connection as well as a simple placement of the hubs. This is claimed in claim 5.
  • an opening angle ⁇ of the annular recesses of about 30 °.
  • a roll cutting and winding machine 1 in which withdrawn from a supply roll 2, a material web 3 and divided by adjacent cutting blade 4 in a number of strip-shaped bands 5. These are wound on Friction winding shafts 6, 7 wherein one band is wound on the one Fritationswickelwelle 6 and the adjacent belt on the other Friction winding shaft 7.
  • rings 12 are plugged, the structure of which is shown in detail in Figs. 3 and 4 in more detail.
  • Thin washers 13, preferably corresponding to the outer diameter of the rings 12, are inserted between them.
  • the rings 12 are on the shims 13 against each other tight and rotatable and are held together by laterally screwed on threaded portions 15 clamping discs 14 in the axial direction.
  • each friction winding shaft 6, 7 is received in lateral cheeks 19 of the roll cutting and winding machine 1.
  • drive elements of the drive (arrow 20) of the friction winding shafts 6, 7th are not shown.
  • each ring 12 is divided into two concentrically arranged ring elements, namely an inner friction ring 21, preferably made of metal, and an outer retaining ring 22, preferably made of a plastic material, divided. Between both, no relative movement is possible. While at the Fritationsring- inner surface of the pressure bars 10 abuts the retaining ring 22 distributed over its circumference, the hub supports 17. In the exemplary embodiment, five winding core holders 17 (distributed at a distance of 72 ° over the circumference) are provided.
  • the retaining ring 22 of the sleeve-shaped core 16 On the retaining ring 22 of the sleeve-shaped core 16 is attached, which usually consists of paper (cardboard) or plastic and in its inner diameter d w is slightly larger than the outer diameter d a of the retaining ring 22. This results between the retaining ring outer surface 23 and winding core Inner surface 24 a slight distance.
  • Each winding core holder 17 consists of a spring-loaded rotary member in the form of a clamping body 25, which in turn has a cylindrical base body 26 and an adjoining sprag tip 27.
  • the cylindrical base body 26 is supported in each case on a likewise cylindrical base 28 of a recess 29 incorporated in the retaining ring outer surface 23, which opens in a funnel shape and thereby left and right abutment surfaces 30, 31 has, to which the edges of the terminal body tip 27 during pivoting ( Pivot axis 32) come to rest.
  • the tip angle ⁇ of 54 ° it has proven to be particularly advantageous for the mode of operation of the invention if an opening angle ⁇ of the recess 29 of approximately 30 ° (see Fig. 3) is provided.
  • Each clamping body 25 is, and this is apparent in particular from FIG. 5, provided in the region of the terminal body tip 27 with two-sided run-on slopes 33, which preferably have a slope (inclination angle ⁇ ) of 45 °.
  • the clamping body 25 is also equipped with a notch 34, which serves to receive a spring wire 35 to hold the clamping body 25 in a desired starting position, its dead center position.
  • the notch 34 is oriented orthogonal to an axis of symmetry formed by a radial beam 36, starting from the friction winding shaft axis 37. This results in a radial beam symmetrical arrangement or dead center position of each clamp body 25. This ensures the spring wire 35 is placed on the one hand in the notch 34 and on the other in a recess 38 of the retaining ring 22, where it can support each end.
  • All located in their dead center clamping body 25 define with their respective sprag tip 27 a circle 41, which has a diameter d t .
  • a circle line 42 resulting from the terminal body tips 27 of the clamping bodies 25 pivoted in their end positions upon contacting the stop surfaces 30, 31 has a diameter d e which is slightly smaller than or equal to the inner diameter d w of the winding core.
  • each clamping body 25 is supported with its cylindrical base body 26 on the likewise cylindrical base 28 of the recess 29, it is advantageous for a secure hooking of the sprag tip 27 with the winding core inner surface 24, when the clamping body 25 under load, ie during the winding, relative strongly inclined to the radial beam 36, that is near its pivoting end position.
  • the terminal body tip closes with one of the rotational direction D 1 or D 2 of the drive shaft opposite circumferential core force F u1 or F u2 an acute angle ⁇ a.
  • the arrangement shown has the following function.
  • the hubs 16 are attached to the rings 12, wherein they are pushed in accordance with the winding direction or drive shaft rotational direction D 1 or D 2 with a clockwise or counterclockwise rotation.
  • the clamping body 25 relative to the radial beam 36 (symmetry axis) is pivoted accordingly, whereby the sliding of the hubs 16 is only possible.
  • the coils to be wound 5 are attached to the winding cores 16 and started the drive shaft. Due to the frictional connection via inflatable tubes 11 and pressure strips 10, this drive is transmitted via the friction ring 21 to the retaining ring 22.

Landscapes

  • Winding Of Webs (AREA)
  • Braking Arrangements (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Mechanical Operated Clutches (AREA)

Claims (6)

  1. Arbre d'enroulement à friction (6, 7), notamment pour machine à découper à roulettes et machine à enrouler (1), pour le logement entraîné par friction d'axes d'enroulement en forme de douilles (16) pour des bandes en forme de rubans à enrouler (5) ou des objets similaires, comportant une multitude d'anneaux (12) placés côte à côte, enfichés sur un arbre d'entraînement central (8), comportant des fixations d'axes d'enroulement, réalisées sous la forme de corps de serrage (25), dépassant de manière élastique par dessus la surface externe d'anneau (23) et réparties sur la circonférence d'anneau, pour la fixation amovible et l'accouplement résistant à la torsion des axes d'enroulement (16) par le biais des pointes de corps de serrage (27) en contact avec la surface interne des axes d'enroulement (24), sachant que les corps de serrage (25) sont logés de manière pivotante, dans des creux (29) des anneaux (12) autour d'axes (32) parallèles à l'axe d'arbre d'enroulement à friction (37) et les creux (29) disposent de surfaces de butée (30, 31) bilatérales, délimitant le mouvement de pivotement,
    caractérisé en ce que
    les deux surfaces de butée (30, 31) sont dimensionnées et disposées de telle sorte que les corps de serrage (25) se trouvant dans leurs positions finales de pivotement déterminent, avec leurs pointes de corps de serrage (27), un cercle (42), pour le diamètre de duquel ce qui suit s'applique: d e ≤ d w ,
    Figure imgb0005
    sachant que dw est le diamètre interne de l'axe d'enroulement tandis que les pointes de corps de serrage (27) définissent, dans leurs positions au point mort se trouvant entre les positions finales sur des rayons radiaux (36) de l'anneau (12), un cercle (41), pour le diamètre dt duquel le rapport suivant s'applique : d t > d w ,
    Figure imgb0006
  2. Arbre d'enroulement à friction selon la revendication 1, caractérisé en ce que, pendant le processus d'enroulement, chaque corps de serrage (25) est en appui avec un corps de base cylindrique (26) sur le fond (28) du creux (29) et la pointe de corps de serrage (27) englobe un angle aigu δ avec une force circonférentielle d'axe d'enroulement Fu1, Fu2 orientée à l'inverse du sens de rotation D1, D2 de l'arbre d'entraînement (8).
  3. Arbre d'enroulement à friction selon la revendication 1, caractérisé en ce que chaque creux (29) pour le logement d'un corps de serrage (25) est symétrique par rapport à un axe de symétrie formé par un rayon radial (36) de l'anneau (12), grâce à quoi la position au point mort du corps de serrage (25) est en alignement avec le rayon radial (36).
  4. Arbre d'enroulement à friction selon la revendication 3, caractérisé en ce qu'une rainure(34) dans le corps de serrage (25), pour le logement d'un fil à ressort (35) assurant la charge par ressort, est orientée de manière orthogonale par rapport à l'axe de symétrie formé par le rayon radial (36).
  5. Arbre d'enroulement à friction selon la revendication 1, caractérisé en ce que la pointe du corps de serrage (27) présente un angle de pointe α compris entre 50° et 60°, de préférence de 54°, et est munie en outre de diagonales d'attaque (33) bilatérales qui présentent respectivement un angle d'inclinaison γ de 45°.
  6. Arbre d'enroulement à friction selon la revendication 5, caractérisé en ce que, de manière correspondante à la géométrie de la pointe du corps de serrage (27), le creux (29) présente un orifice en forme d'entonnoir avec un angle d'ouverture β = 30°.
EP01128585A 2001-11-30 2001-11-30 Arbre d'enroulement avec accouplement à friction Expired - Lifetime EP1316524B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01128585A EP1316524B1 (fr) 2001-11-30 2001-11-30 Arbre d'enroulement avec accouplement à friction
DE50110955T DE50110955D1 (de) 2001-11-30 2001-11-30 Friktionswickelwelle
AT01128585T ATE338722T1 (de) 2001-11-30 2001-11-30 Friktionswickelwelle
US10/305,573 US6749147B2 (en) 2001-11-30 2002-11-27 Friction winding shaft for reversible rotation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01128585A EP1316524B1 (fr) 2001-11-30 2001-11-30 Arbre d'enroulement avec accouplement à friction

Publications (2)

Publication Number Publication Date
EP1316524A1 EP1316524A1 (fr) 2003-06-04
EP1316524B1 true EP1316524B1 (fr) 2006-09-06

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EP01128585A Expired - Lifetime EP1316524B1 (fr) 2001-11-30 2001-11-30 Arbre d'enroulement avec accouplement à friction

Country Status (4)

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US (1) US6749147B2 (fr)
EP (1) EP1316524B1 (fr)
AT (1) ATE338722T1 (fr)
DE (1) DE50110955D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102400U1 (de) * 2012-06-28 2013-09-30 Düspohl Maschinenbau Gmbh Friktionsring

Families Citing this family (8)

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ITMI20050286A1 (it) * 2005-02-23 2006-08-24 I E S Internat Expanding Shaf Anello di frizione per alberi a frizione particolarmente per riavvolgimento di bobine multiple
US7878116B2 (en) * 2007-03-16 2011-02-01 Illinois Tool Works Inc. Methods and apparatus for engaging web-material cores
IT1397733B1 (it) * 2010-01-15 2013-01-24 I E S Internat Expanding Shafts S R L Anello di frizione per alberi a frizione, particolarmente per il riavvolgimento di bobine.
EP2703324B1 (fr) * 2011-04-26 2016-11-30 Fuji Seal International, Inc. Dévidoir pour bande allongée
WO2015049511A1 (fr) * 2013-10-03 2015-04-09 Videojet Technologies Inc. Support de bobine
USD802037S1 (en) * 2015-06-11 2017-11-07 Christopher Cordingley Gear and axle combination
CN109455375A (zh) * 2018-12-21 2019-03-12 东莞市楷德精密机械有限公司 机械式涨轴
CN114180401A (zh) * 2021-12-14 2022-03-15 合肥神马科技集团有限公司 一种线盘架夹盘锁紧装置

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102400U1 (de) * 2012-06-28 2013-09-30 Düspohl Maschinenbau Gmbh Friktionsring
EP2679529A2 (fr) 2012-06-28 2014-01-01 Düspohl Maschinenbau GmbH Anneau de friction
EP2679529A3 (fr) * 2012-06-28 2014-01-15 Düspohl Maschinenbau GmbH Anneau de friction
US9033128B2 (en) 2012-06-28 2015-05-19 Düspohl Maschinenbau Gmbh Friction ring

Also Published As

Publication number Publication date
ATE338722T1 (de) 2006-09-15
DE50110955D1 (de) 2006-10-19
US20030116675A1 (en) 2003-06-26
US6749147B2 (en) 2004-06-15
EP1316524A1 (fr) 2003-06-04

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