EP0208832A1 - Dispositif pour fixer des tubes de bobinage, spécialement des tubes portant des bandes de papier ou similaires - Google Patents

Dispositif pour fixer des tubes de bobinage, spécialement des tubes portant des bandes de papier ou similaires Download PDF

Info

Publication number
EP0208832A1
EP0208832A1 EP86103137A EP86103137A EP0208832A1 EP 0208832 A1 EP0208832 A1 EP 0208832A1 EP 86103137 A EP86103137 A EP 86103137A EP 86103137 A EP86103137 A EP 86103137A EP 0208832 A1 EP0208832 A1 EP 0208832A1
Authority
EP
European Patent Office
Prior art keywords
pin
elevations
elements
clamping
clamping elements
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
EP86103137A
Other languages
German (de)
English (en)
Other versions
EP0208832B1 (fr
Inventor
Ewald Georg Dr. Welp
Karl Thievessen
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.)
Jagenberg AG
Original Assignee
Jagenberg AG
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
Priority claimed from DE19853521582 external-priority patent/DE3521582A1/de
Priority claimed from DE8517584U external-priority patent/DE8517584U1/de
Application filed by Jagenberg AG filed Critical Jagenberg AG
Priority to AT86103137T priority Critical patent/ATE36299T1/de
Publication of EP0208832A1 publication Critical patent/EP0208832A1/fr
Application granted granted Critical
Publication of EP0208832B1 publication Critical patent/EP0208832B1/fr
Expired legal-status Critical Current

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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
    • 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
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/04—Supporting web roll cantilever type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/02—Supporting web roll
    • B65H18/04—Interior-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4134—Both ends type arrangement
    • B65H2301/41346—Both ends type arrangement separate elements engaging each end of the roll (e.g. chuck)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/45—Shafts for winding/unwinding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/10—Expanding
    • Y10T279/1037—Axially moving actuator
    • Y10T279/1041—Wedge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/10—Expanding
    • Y10T279/1083—Jaw structure

Definitions

  • the invention relates to a device suitable for clamping tubular winding cores, in particular paper cores or similar material cores, with a plurality of tubular segment-shaped clamping elements arranged around a pin and radially adjustable in a cage, and with supporting elements between the peripheral surface of the pin and the inner surface of the clamping elements, the outer surface of which is designed to transmit the clamping force.
  • Such clamping devices work in such a way that when the torque is exerted on the pin, the clamping elements are moved radially outward into the clamping position via the supporting elements and are moved back into the starting position in the opposite direction of rotation.
  • the outer surfaces of the clamping elements are either largely smooth or are provided with pointed serrations. Smooth surfaces have the advantage that they do not destroy or rub on the winding sleeves, which are designed as cardboard tubes, to be tensioned, but they have the considerable disadvantage that they can hardly transmit the required braking torques.
  • Pointed corrugations e.g. have become known from a tensioning device according to DE-OS 33 29 330, have the advantage, however, that when they are pressed into the inner surface of the winding tube there is a largely positive connection and thus the moments can be transmitted better, but the considerable disadvantage that when applied of the braking torque, the winding sleeves are rubbed out very often and thus destroyed. Furthermore, this grinding between the tensioning elements and the inner surface of the winding tubes leads to the fact that this connection is so closely interlocked that the loosening of the winding tubes after the rolling process is made considerably more difficult.
  • the grinding or rubbing out of the inner surface of the winding tubes in the case of pointed serrations is due to the fact that when the tips are inserted into the winding tubes, extremely high local stresses occur on the inner surface of the winding tubes, which are also superimposed by the fact that these tips of the corrugation are very close together . These local voltage peaks and their superimposition on the inner surface of the winding tubes often exceed the permissible voltage values of the winding tubes and thus initiate their destruction. If a torque is then also superimposed on this load, the load on the winding tubes is increased again, and the above-mentioned grinding or rubbing out of the winding tubes then occurs very quickly.
  • the rotatable pin has an equilateral-polygonal core cross section and grooves in the pin surface, in which the support elements engage with a contact surface adapted to the cross-sectional shape of the bottom of the grooves.
  • the invention has for its object to provide a suitable device for clamping tubular winding cores, in particular paper webs or similar material cores, of the type mentioned, in which, on the one hand, good torque transmission is guaranteed, but on the other hand, damage to the winding cores to be tensioned is caused by undesirably high levels Voltage peaks is avoided.
  • a high load-bearing capacity and low susceptibility to wear and thus a long service life should be achieved with simple and inexpensive training.
  • the good torque transmission is achieved according to the invention in that the outer surface of the tensioning elements has dome-shaped elevations which are at a comparatively large distance from one another. Such dome-shaped elevations ensure that local voltage peaks are noticeably reduced and the forces introduced in the winding tube are widely distributed in the environment. The sufficiently large distance between the individual surveys ensures that stresses do not overlap in the winding tube.
  • the elevations are designed as web-like or skid-like and arranged near the long sides of the tensioning elements.
  • a diameter struck over the crests of the elevations is slightly larger than the inner diameter of the winding cores to be tensioned in each case. With this oversize it is ensured when pushing into the winding tube that the elevations are already pressed into the inner surface of the tube and thus initiate the positive locking between the clamping elements and the winding tube.
  • the pre-deformation causes the Inner surface of the winding tube through the elevations no relative movement between the clamping elements and the winding tube, but the elevations are pressed deeper into the winding tube up to their stop and thus form the form fit.
  • the clamping device with the excess of the elevations can be pushed very well into the winding sleeves, the elevations penetrating very well into the sleeve material when the tensioning elements expand and the form fit between the tensioning elements and the winding sleeve is very well developed, so that relative movements can be avoided when stressed by the torque due to this positive locking so that the winding sleeves cannot be rubbed out or ground.
  • the toothing between the clamping elements and the winding tube is not so intensive that the tubes could not be detached from the clamping device after the rolling process.
  • a radius corresponding to the curvature of the crests of the elevations is arranged with its center on a line running from the symmetry line of the tensioning element at an angle of approximately 20 to 30 °, preferably 25 °, and also the radii used to form the crests are designed in a certain way and the crests with transition surfaces merge into the outer surfaces of the clamping elements.
  • the pin is polygonal in cross-section, preferably square, and the contact surface of the support elements is designed as a flat surface resting on side surfaces of the pin that extend parallel to one another in pairs.
  • the previously considered necessary grooves in the cross-section of the pin for the support elements can be omitted, since these have a flat surface rest directly on the side surfaces of the pin.
  • the polygon of the pin also has the advantage over polygonal pins that, due to its larger angle of attack, no jamming occurs when the clamping head is released between the support elements and the pin.
  • the support elements are approximately hat-shaped in cross section.
  • support elements designed in this way have the advantage that they optimally distribute the high forces into the adjacent components due to their flat contact with the journal and the dome-shaped support for the tensioning elements.
  • the spherical cap formed by the spherical part of the support elements and the correspondingly shaped depressions in the inner surface of the clamping elements simultaneously forms a joint for the coupling between the clamping elements and the pin, so that tension cannot occur when the elements are displaced.
  • the surface of the pin is expediently polished and nitrided.
  • the pin - seen in cross section - is rounded at its corners and the pin designed as a flange pin is provided with an axial pressure bearing between the flange and an annular part of the cage.
  • the tensioning device shown in FIGS. 1 and 2 has a pin 1 designed as a flange pin, in the flange of which 2 fastening screws 3 are inserted in order to be able to fasten the pin 1 to a device (not shown).
  • An axial pressure bearing 5 is arranged between a ring part of a cage 4 surrounding the pin 1 and the flange 2 of the pin 1 in order to be able to absorb the axial forces that occur.
  • window-like recesses 6 are provided distributed over the circumference of the cage 4, into which clamping elements 7 in the form of tubular segments are inserted.
  • the tensioning elements 7 are held in the cage 4 by ring springs 8, 9 designed as tension springs.
  • the cage 4 itself is fastened to the end face of the pin 1 by a guide disk 11 and a fastening screw 12.
  • support elements 13 which are inserted with a hemispherical surface into a correspondingly hemispherical recess 15 in the inner surface 14 of the clamping elements 7 and on their side facing the pin have a flat contact surface 16 with which the support elements 13 rest on side faces 17 of the pin 1 running parallel to each other in pairs.
  • the tensioning elements 7 With a torque exerted on the pin 1 the tensioning elements 7 are moved radially outward via the support elements 13 and in this way a tensioning of a winding tube, which is not shown, is achieved.
  • the support elements 13, which are essentially hat-shaped in cross section, ensure a flat contact between the support elements 13 and the pin 1 on the one hand and the tensioning elements 7 on the other hand at all rotational positions of the pin 1 and, owing to their spherical design, form on the side of the tensioning elements 7 and the recesses provided therein 15 for the support elements 13 a ball joint connection, which give the tensioning elements 7 a certain tilting movement about the axis of the pin 1.
  • dome-shaped elevations 19 are provided on the outer surface 18 of the tensioning elements 7 in the area of the long sides of the tensioning elements 7.
  • the web-like or skid-like elevations 19 are arranged in such a way that a diameter struck over their crests is slightly larger than the inside diameter of the winding tube to be tensioned in each case. This ensures that the elevations 19 are pressed into the inner surface of the winding tubes immediately after insertion into the winding tube and thus initiate a positive connection between the clamping elements 7 and the winding tube.
  • a radius r1 forming the domes of the elevations 19 lies with its center point on a line 22 extending from the symmetry line 21 of the tensioning element 7 at an angle of 25 °.
  • the domes of the elevations 19 go into the outer surface 18 with curved transition surfaces on both sides of the elevations of the tensioning elements 7, the radius r2 of the transition surfaces being approximately twice as large as the radius r1 of the crests.
  • the elevations provided on the outer surface 18 of the clamping elements 7 can extend continuously over the entire length of the clamping elements 7, but can also be provided with interruptions, so that a plurality of nub-like elevations 19 lie one behind the other on the same long side of the clamping elements 7.
  • the tensioning device is assembled in such a way that the tensioning elements 7 are placed in the recesses 15 in the tensioning elements 7 on the pin 1 with the interposition of the support elements 13 and are fixed in the radial direction by the ring springs 8 and 9. Then the cage 4 is pushed over the pin 1 and this is then attached to the pin 1 via the guide plate 11 by means of the fastening screw 12.

Landscapes

  • Winding Of Webs (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Making Paper Articles (AREA)
EP86103137A 1985-06-15 1986-03-08 Dispositif pour fixer des tubes de bobinage, spécialement des tubes portant des bandes de papier ou similaires Expired EP0208832B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86103137T ATE36299T1 (de) 1985-06-15 1986-03-08 Vorrichtung zum aufspannen von rohrfoermigen wickelhuelsen, insbesondere von papierbahnen oder aehnliche werkstoffbahnen tragenden wickelhuelsen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19853521582 DE3521582A1 (de) 1985-06-15 1985-06-15 Vorrichtung zum aufspannen von rohrfoermigen wickelkernen, insbesondere von papierbahnen oder aehnliche werkstoffbahnen tragenden wickelkernen
DE3521582 1985-06-15
DE8517584U DE8517584U1 (de) 1985-06-15 1985-06-15 Vorrichtung zum Aufspannen von rohrförmigen Wickelhülsen, insbesondere von Papierbahnen oder ähnliche Werkstoffbahnen tragenden Wickelhülsen
DE8517584U 1985-06-15

Publications (2)

Publication Number Publication Date
EP0208832A1 true EP0208832A1 (fr) 1987-01-21
EP0208832B1 EP0208832B1 (fr) 1988-08-10

Family

ID=25833174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86103137A Expired EP0208832B1 (fr) 1985-06-15 1986-03-08 Dispositif pour fixer des tubes de bobinage, spécialement des tubes portant des bandes de papier ou similaires

Country Status (6)

Country Link
US (1) US4730779A (fr)
EP (1) EP0208832B1 (fr)
JP (1) JPH078695B2 (fr)
CA (1) CA1271178A (fr)
ES (1) ES296715Y (fr)
FI (1) FI81320C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829704A1 (de) * 1988-09-01 1990-03-15 Jagenberg Ag Spann- und fuehrungsvorrichtung fuer wickelhuelsen
DE4122806A1 (de) * 1991-07-10 1993-01-14 Jagenberg Ag Vorrichtung zum wechseln von umfaenglich expandierenden spannkoepfen
CN110759174A (zh) * 2019-11-08 2020-02-07 湖南盛世电线电缆有限公司 一种电线生产用成圈机的成圈打盘主机

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094346A (en) * 1991-05-07 1992-03-10 Minnesota Mining And Manufacturing Company Reusable container for tape pancakes
US5165542A (en) * 1991-05-07 1992-11-24 Minnesota Mining And Manufacturing Company Reusable container for tape pancakes
US5622260A (en) * 1992-07-17 1997-04-22 Minnesota Mining And Manufacturing Company Support for tape pancakes
US5303823A (en) * 1992-07-17 1994-04-19 Minnesota Mining And Manufacturing Company Reusable, two-piece storage container
US5501351A (en) * 1992-07-17 1996-03-26 Minnesota Mining And Manufacturing Company Reusable, multiple-piece storage container
US5284246A (en) * 1992-07-17 1994-02-08 Minnesota Mining And Manufacturing Company Support for tape pancakes
US5346065A (en) * 1993-02-11 1994-09-13 Minnesota Mining And Manufacturing Company Media shipping container
US5379648A (en) * 1993-07-26 1995-01-10 Sonoco Products Company Method and apparatus for testing chew-out strength of paperboard core
FI100002B (fi) * 1994-06-23 1997-07-15 Valmet Paper Machinery Inc Kiinnityspää rullauksessa käytettäviä hylsyjä varten
WO2000062381A1 (fr) 1999-04-08 2000-10-19 Schleuniger Holding Ag Procede de commande d'un dispositif de travail de cables, dispositif de travail de cables approprie et systeme muni d'un dispositif de travail de cables
IT1313322B1 (it) * 1999-10-04 2002-07-17 Panzeri Alessandro Costruzioni Mandrino ad espansione per bobine.
US6416014B2 (en) 2000-01-29 2002-07-09 Double E Company, Inc. Expandable core plug
US20050224627A1 (en) * 2004-04-09 2005-10-13 Semion Stolyar Double acting torque chuck
US20070278342A1 (en) * 2006-05-31 2007-12-06 3M Innovative Properties Company Reel assembly for winding web materials
CN108183002A (zh) * 2017-12-29 2018-06-19 重庆腾盛电线电缆有限公司 一种不易断线的叉绞机分线板
US20210379785A1 (en) * 2020-06-08 2021-12-09 Gerber Technology Llc Re-sealer for a multi-ply cutter
IT202000019849A1 (it) * 2020-08-10 2022-02-10 Renova S R L Mandrino di supporto per bobine di materiale avvolgibile
US11807477B2 (en) * 2020-12-03 2023-11-07 Sonoco Development, Inc. Chuck with improved torque transmission and centralization
US20230041506A1 (en) * 2021-08-06 2023-02-09 Reimund K. Brettschneider Mechanical torque activated chuck with material preservation features

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2132823A1 (de) * 1970-07-13 1972-01-20 Aamaals Gjuteri & Mek Verkst A Rollenspindel zum Greifen der Wickelhuelsen fuer Papierrollen u. dgl.
DE2100746A1 (de) * 1971-01-08 1972-07-20 Dr. Otto C. Strecker KG, 6102 Pfungstadt; Maschinenfabrik zum Bruderhaus GmbH, 7410 Reutlingen Spannkörper zum Einspannen von Papierrollen
DE2211518A1 (de) * 1972-03-10 1973-09-13 Jagenberg Werke Ag Vorrichtung zum aufspannen von rohrfoermigen wickelkernen
US3910520A (en) * 1973-02-22 1975-10-07 Strecker Otto C Dr Kg Bobbin chuck for the shaftless retention of cylindrical bodies of rotation
DE2618652A1 (de) * 1975-05-01 1976-11-11 Ian Rendall Kern-spannvorrichtung
CH645863A5 (de) * 1979-07-24 1984-10-31 Jagenberg Werke Ag Vorrichtung zum aufspannen von rohrfoermigen wickelkernen.
DE3329330A1 (de) * 1983-08-13 1985-02-28 Jagenberg AG, 4000 Düsseldorf Spannvorrichtung fuer wickelkerne

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612375C2 (de) * 1976-03-24 1983-04-14 A. Ahlström Development GmbH, 7315 Weilheim Spannkopf für die die Kernrohre von Wickeln aus Papier, Kunststoffolien oder dergleichen
US4334652A (en) * 1978-11-08 1982-06-15 David Blackburn Expandible devices for internally gripping cores or the like
DE2910114C2 (de) * 1979-03-15 1983-04-21 A. Ahlström Development GmbH, 7315 Weilheim Spannkopf für die Kernrohre von Wickeln aus Papier, Kunststoffolien u.dgl.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2132823A1 (de) * 1970-07-13 1972-01-20 Aamaals Gjuteri & Mek Verkst A Rollenspindel zum Greifen der Wickelhuelsen fuer Papierrollen u. dgl.
DE2100746A1 (de) * 1971-01-08 1972-07-20 Dr. Otto C. Strecker KG, 6102 Pfungstadt; Maschinenfabrik zum Bruderhaus GmbH, 7410 Reutlingen Spannkörper zum Einspannen von Papierrollen
DE2211518A1 (de) * 1972-03-10 1973-09-13 Jagenberg Werke Ag Vorrichtung zum aufspannen von rohrfoermigen wickelkernen
US3910520A (en) * 1973-02-22 1975-10-07 Strecker Otto C Dr Kg Bobbin chuck for the shaftless retention of cylindrical bodies of rotation
DE2618652A1 (de) * 1975-05-01 1976-11-11 Ian Rendall Kern-spannvorrichtung
CH645863A5 (de) * 1979-07-24 1984-10-31 Jagenberg Werke Ag Vorrichtung zum aufspannen von rohrfoermigen wickelkernen.
DE3329330A1 (de) * 1983-08-13 1985-02-28 Jagenberg AG, 4000 Düsseldorf Spannvorrichtung fuer wickelkerne

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829704A1 (de) * 1988-09-01 1990-03-15 Jagenberg Ag Spann- und fuehrungsvorrichtung fuer wickelhuelsen
US5123605A (en) * 1988-09-01 1992-06-23 Jagenberg Aktiengesellschaft Expanding mechanism for tensioning and positioning reel cores
DE4122806A1 (de) * 1991-07-10 1993-01-14 Jagenberg Ag Vorrichtung zum wechseln von umfaenglich expandierenden spannkoepfen
CN110759174A (zh) * 2019-11-08 2020-02-07 湖南盛世电线电缆有限公司 一种电线生产用成圈机的成圈打盘主机

Also Published As

Publication number Publication date
FI861528A (fi) 1986-12-16
US4730779A (en) 1988-03-15
ES296715Y (es) 1988-05-16
FI861528A0 (fi) 1986-04-10
FI81320B (fi) 1990-06-29
JPH078695B2 (ja) 1995-02-01
EP0208832B1 (fr) 1988-08-10
FI81320C (fi) 1990-10-10
JPS61291351A (ja) 1986-12-22
CA1271178A (fr) 1990-07-03
ES296715U (es) 1987-12-16

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