EP0133639A1 - Dispositif de serrage pour mandrin - Google Patents

Dispositif de serrage pour mandrin Download PDF

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Publication number
EP0133639A1
EP0133639A1 EP84106867A EP84106867A EP0133639A1 EP 0133639 A1 EP0133639 A1 EP 0133639A1 EP 84106867 A EP84106867 A EP 84106867A EP 84106867 A EP84106867 A EP 84106867A EP 0133639 A1 EP0133639 A1 EP 0133639A1
Authority
EP
European Patent Office
Prior art keywords
pin
segments
support elements
cross
clamping
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
EP84106867A
Other languages
German (de)
English (en)
Other versions
EP0133639B1 (fr
Inventor
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
Application filed by Jagenberg AG filed Critical Jagenberg AG
Priority to AT84106867T priority Critical patent/ATE23137T1/de
Publication of EP0133639A1 publication Critical patent/EP0133639A1/fr
Application granted granted Critical
Publication of EP0133639B1 publication Critical patent/EP0133639B1/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

Definitions

  • the invention relates to a tensioning device for tubular winding cores, in particular winding cores carrying paper webs or similar material webs, consisting of several tubular segment-shaped tensioning segments which are radially adjustable in a cage and which are arranged around a pin, between which and the tensioning segments support elements are provided, which are provided in circumferential grooves of the pin surface, the pin having an equilateral polygonal core cross section in the area of the grooves.
  • Such clamping devices are such. B. known from GB-PS 917 978.
  • cylindrical rollers serve as support elements. The cylindrical rollers roll on a rotation on the pin on the one hand on the base of the circumferential grooves of the pin and on the other hand on the tubular inner circumferential surface of the clamping segments, whereby the clamping segments are moved radially outwards into the clamping position or inwards back into the starting position.
  • the object of the invention is to improve the generic clamping device in such a way that the wear on the mutually movable parts is reduced.
  • the support elements on their side facing the tensioning segments are spherical and are inserted in corresponding hemispherical recesses in the inner surfaces of the tensioning segments and on the side facing the pin one of the cross-sectional shape of the base of the groove is adapted have contact area.
  • the support elements Due to the shape of the support elements according to the invention, a flat contact is achieved at the points of contact of the support elements with the clamping segments on the one hand and the support elements with the pin on the other hand.
  • the mutually movable parts, clamping segments, support elements and pins do not have a linear contact as in the known clamping device but a flat one, so that the surface pressure is lower and wear is reduced.
  • the design of the tensioning device according to the invention makes it possible to enlarge the core cross section of the pin and thus to increase its resilience. This is also the purpose of the preferred, in cross-section, convex curvature of the base of the circumferential grooves in the pin, which leads to an enlargement of the core cross-section of the pin.
  • the concave shape of the bottom of the circumferential grooves in the longitudinal section prevents a notch effect that can occur in the grooves with sharp-edged transitions, and leads to an increase in the accuracy of fit or allows compensation for smaller manufacturing inaccuracies to.
  • the support elements used in hemispherical recesses in the tensioning segments always support the tensioning segment even when the pin is rotated, so that it is not tilted as easily as if, as in the known tensioning device, the support element also turns with respect to the tensioning segment when the pin rotates can shift.
  • the tilting mobility of the clamping segment is fully preserved due to the ball joint-like connection with the support element relative to the pin.
  • the clamping device consists of the flange screws 1, the ring spring 2, the end ring 3, the tubular segment-shaped clamping segments 5 provided with a serrated or grooved outer surface 4, the support elements 6, the pin 7, the further ring spring 8, the cage 9, the end cover 10, which is firmly connected by the screw 11 to the pin 7 and secures the axial position of the parts pushed over the pin 7.
  • the base 12 of the circumferential grooves 13 in the pin 7 is shaped concave according to Figure 2. Accordingly, the surface of the support elements 6 opposite the pin 7 is in the form of a circular arc with the radius r . ( Figure 4) molded. Seen in the cross section of FIG. 1, the circumferential grooves 13 are convexly curved. The remaining core cross section of the pin 7 can be seen in Figure 1 by the oblique hatching. Corresponding to the convex arch shape of the base 12 of the groove 13 in the cross section of FIG. 1, the surface of the support element 6 opposite the pin 7 is formed with the radius r 3 (FIG. 3). In this embodiment, the support elements 6 lie flat on the base 12 of the circumferential grooves 13 in the pin 7, as can be seen from FIGS. 1 and 2.
  • the clamping segments 5 are provided with hemispherical recesses 14, in which the support elements 6 also lie flat with their spherical surface with the radius r 1 . In this way, support element 6 and clamping segment 5 form a ball-and-socket connection, which give the clamping segment 5 a certain degree of tilting about the axis of the pin 7.
  • the clamping device is assembled in such a way that the clamping segments 5 are placed on the pin 7 with the interposition of the support elements 6 in the grooves 13 of the pin 7 or depressions 14 in the clamping segments 5 and fixed in the radial direction by the ring springs 2 and 8 will.
  • the cage 9 is then pushed over the pin 7 and attached to the pin 7 via the cover 10 and by means of the screw 11.

Landscapes

  • Clamps And Clips (AREA)
  • Winding Of Webs (AREA)
  • Springs (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Unwinding Webs (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Press Drives And Press Lines (AREA)
EP84106867A 1983-08-13 1984-06-15 Dispositif de serrage pour mandrin Expired EP0133639B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106867T ATE23137T1 (de) 1983-08-13 1984-06-15 Spannvorrichtung fuer wickelkerne.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3329330A DE3329330C2 (de) 1983-08-13 1983-08-13 Spannvorrichtung für Wickelkerne
DE3329330 1983-08-13

Publications (2)

Publication Number Publication Date
EP0133639A1 true EP0133639A1 (fr) 1985-03-06
EP0133639B1 EP0133639B1 (fr) 1986-10-29

Family

ID=6206500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106867A Expired EP0133639B1 (fr) 1983-08-13 1984-06-15 Dispositif de serrage pour mandrin

Country Status (8)

Country Link
US (1) US4635872A (fr)
EP (1) EP0133639B1 (fr)
JP (1) JPS6056759A (fr)
AT (1) ATE23137T1 (fr)
CA (1) CA1241625A (fr)
DE (1) DE3329330C2 (fr)
ES (1) ES289249Y (fr)
FI (1) FI75540C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429876A2 (fr) * 1989-11-02 1991-06-05 F & A s.n.c., di Franchetti Giuseppe e C. Arbre de support de bobines avec anneau excentrique
FR2664884A1 (fr) * 1990-07-19 1992-01-24 Fuji Xerox Co Ltd Dispositif de maintien de rouleau de papier.
WO2009095176A1 (fr) * 2008-01-29 2009-08-06 E.C.H. Will Gmbh Dispositif de fixation amovible d'un mandrin d'enroulement

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0208832B1 (fr) * 1985-06-15 1988-08-10 JAGENBERG Aktiengesellschaft Dispositif pour fixer des tubes de bobinage, spécialement des tubes portant des bandes de papier ou similaires
DE3521582A1 (de) * 1985-06-15 1986-12-18 Jagenberg AG, 4000 Düsseldorf Vorrichtung zum aufspannen von rohrfoermigen wickelkernen, insbesondere von papierbahnen oder aehnliche werkstoffbahnen tragenden wickelkernen
US6367733B1 (en) * 1998-12-02 2002-04-09 Mclaughlin James Core chuck
IT1313322B1 (it) * 1999-10-04 2002-07-17 Panzeri Alessandro Costruzioni Mandrino ad espansione per bobine.
US20050224627A1 (en) * 2004-04-09 2005-10-13 Semion Stolyar Double acting torque chuck
DE102005021077A1 (de) * 2005-05-06 2006-11-09 Kampf Gmbh & Co Maschinenfabrik Spannkopf für eine Rollenschneid- und Wickelmaschine
US20130249156A1 (en) * 2010-12-02 2013-09-26 Kosmek Ltd. Clamp apparatus
CN112456198A (zh) * 2019-09-09 2021-03-09 广西真龙实业有限责任公司 一种纸芯盘紧器
IT202000019849A1 (it) * 2020-08-10 2022-02-10 Renova S R L Mandrino di supporto per bobine di materiale avvolgibile
US20230041506A1 (en) * 2021-08-06 2023-02-09 Reimund K. Brettschneider Mechanical torque activated chuck with material preservation features
WO2023200411A1 (fr) * 2022-04-14 2023-10-19 Reymak Maki̇ne Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Mandrin sans arbre

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT361290B (de) * 1975-06-13 1981-02-25 Ahlstroem Dev Gmbh An einem antreibbaren wellenende angeordneter spannkopf fuer wickeln aus papier, kunststoff- folien od.dgl.
AT374762B (de) * 1979-07-24 1984-05-25 Jagenberg Werke Ag Vorrichtung zum aufspannen von rohrfoermigen wickelkernen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE630628C (de) * 1934-04-05 1936-06-03 Paul Forkardt Komm Ges Mittiger Spanndorn fuer duennwandige Huelsen
US2196489A (en) * 1937-06-05 1940-04-09 Bennett Franklin Pierce Paper roll chuck
US2219124A (en) * 1939-02-18 1940-10-22 Bandy Robert Watson Press paper roll chuck
US2487723A (en) * 1948-05-27 1949-11-08 Thompson Prod Inc Expanding spline arbor
US2908452A (en) * 1955-06-15 1959-10-13 H G Weber & Company Inc Automatic expanding shaftless chuck
US3006565A (en) * 1960-06-30 1961-10-31 Eugene V Pelletier Bobbin clutch
GB917978A (en) * 1960-07-04 1963-02-13 Tmm Research Ltd Improvements in bobbin clutches for textile spinning and like spindles
US3963250A (en) * 1972-04-03 1976-06-15 Double E Company, Inc. Chuck
US4496114A (en) * 1981-07-22 1985-01-29 Hiroshi Kataoka Winding shaft provided on surface with spool fixing rollers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT361290B (de) * 1975-06-13 1981-02-25 Ahlstroem Dev Gmbh An einem antreibbaren wellenende angeordneter spannkopf fuer wickeln aus papier, kunststoff- folien od.dgl.
AT374762B (de) * 1979-07-24 1984-05-25 Jagenberg Werke Ag Vorrichtung zum aufspannen von rohrfoermigen wickelkernen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429876A2 (fr) * 1989-11-02 1991-06-05 F & A s.n.c., di Franchetti Giuseppe e C. Arbre de support de bobines avec anneau excentrique
EP0429876B1 (fr) * 1989-11-02 1996-03-27 F & A s.n.c., di Franchetti Giuseppe e C. Arbre de support de bobines avec anneau excentrique
FR2664884A1 (fr) * 1990-07-19 1992-01-24 Fuji Xerox Co Ltd Dispositif de maintien de rouleau de papier.
US5267704A (en) * 1990-07-19 1993-12-07 Fuji Xerox Co., Ltd. Paper roll supporting and holding device with expansible end support member
WO2009095176A1 (fr) * 2008-01-29 2009-08-06 E.C.H. Will Gmbh Dispositif de fixation amovible d'un mandrin d'enroulement

Also Published As

Publication number Publication date
ES289249Y (es) 1986-10-01
DE3329330C2 (de) 1986-10-02
CA1241625A (fr) 1988-09-06
JPS6056759A (ja) 1985-04-02
DE3329330A1 (de) 1985-02-28
FI842828A (fi) 1985-02-14
FI75540C (fi) 1988-07-11
ES289249U (es) 1986-02-16
ATE23137T1 (de) 1986-11-15
FI75540B (fi) 1988-03-31
US4635872A (en) 1987-01-13
EP0133639B1 (fr) 1986-10-29
FI842828A0 (fi) 1984-07-13

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