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EP0968946B1 - System for inserting cores in the winding cradle of a web material re-winding machine - Google Patents

System for inserting cores in the winding cradle of a web material re-winding machine Download PDF

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Publication number
EP0968946B1
EP0968946B1 EP99109429A EP99109429A EP0968946B1 EP 0968946 B1 EP0968946 B1 EP 0968946B1 EP 99109429 A EP99109429 A EP 99109429A EP 99109429 A EP99109429 A EP 99109429A EP 0968946 B1 EP0968946 B1 EP 0968946B1
Authority
EP
European Patent Office
Prior art keywords
eccentric body
core
winding
cores
arm
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
EP99109429A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0968946A1 (en
Inventor
Renato Matteucci
Mauro Biagioni
Giuseppe Lupi
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.)
ITALCONVERTING S.P.A.
Original Assignee
Italconverting SpA
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 Italconverting SpA filed Critical Italconverting SpA
Publication of EP0968946A1 publication Critical patent/EP0968946A1/en
Application granted granted Critical
Publication of EP0968946B1 publication Critical patent/EP0968946B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2269—Cradle
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4182—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position
    • B65H2301/41824—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position from below, e.g. between rollers of winding bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/235—Cradles

Definitions

  • the most widely utilized method at present is so-called free winding between three cylinders.
  • the core is inserted, by means of inserting arms, in the cradle formed between three cylinders with parallel axes, which set it in rotational motion, causing winding thereon of the web material.
  • the log Once the log has been formed it is ejected and a new core is then inserted.
  • the diameters of the commercial cores normally used are variable in size.
  • the range of variation of the core diameters normally goes from 30 mm to 100 mm. Cores of small diameter are used for rolls of web material intended for domestic use, while cores of larger sizes are reserved for industrial use.
  • EP-0853 060A, EP-0387 214A EP-0524 158A and Patent abstract of Japan, vol 17, no. 144 (M-1386), 23rd March 1993 (1993-01-20) disclose rewinding machines wherein the core inserting arm is pivoted on a fixed axis, thus showing the drawbacks mentioned above.
  • the cores 1 are made to slide on a conveyor belt or a loading channel having guides 2 in the form of an inclined surface.
  • An inserting arm 3 is curved in shape and has at its free end a plurality of rollers 4 (only one of which can be seen in the figure) consisting of idle mounted cylindrical rollers. The rollers 4 push the cores 1 into a winding cradle formed between three cylinders 6, 7, 8, where the web material is wound.
  • the cylinder 6 is fixedly mounted.
  • the cylinder 7 can be fixed or guided by rocker arms to adjust the distance between the skirts of cylinders 6 and 7.
  • the cylinder 8, commonly known as the pressure cylinder, exerts pressure on the log being formed and is supported by a pair of rocker arms 20, so as to be able to follow the increase in diameter of the log.
  • the inserting arm 3 is pivoted at the centre of an eccentric body 9, on an axis identified by letter A in the figures.
  • the eccentric body 9 is in turn pivoted on an axis B at a distance ⁇ from the axis A.
  • the distance ⁇ between the fulcrum A of the inserting arm 3 and the fulcrum B of the eccentric body 9 gives the eccentricity of the system.
  • the eccentricity ⁇ can be selected as about 30 mm.
  • a second arm 10 is pivoted integrally to the inserting arm 3 at A.
  • a follower 11 is provided that follows the profile of a cam 12, rotation of which prevents a rocking movement of the inserting arm 3, so that the end rollers 4 follow such a path as to push the core 1 at its midline.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP99109429A 1998-07-01 1999-05-11 System for inserting cores in the winding cradle of a web material re-winding machine Expired - Lifetime EP0968946B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98MI001515A ITMI981515A1 (it) 1998-07-01 1998-07-01 Sistema di introduzione anime nella culla di avvolgimento di una ribobinatrice di materiale in foglio
ITMI981515 1998-07-01

Publications (2)

Publication Number Publication Date
EP0968946A1 EP0968946A1 (en) 2000-01-05
EP0968946B1 true EP0968946B1 (en) 2003-03-12

Family

ID=11380365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109429A Expired - Lifetime EP0968946B1 (en) 1998-07-01 1999-05-11 System for inserting cores in the winding cradle of a web material re-winding machine

Country Status (5)

Country Link
EP (1) EP0968946B1 (es)
AT (1) ATE234255T1 (es)
DE (1) DE69905802T2 (es)
ES (1) ES2190627T3 (es)
IT (1) ITMI981515A1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9376281B2 (en) 2013-09-09 2016-06-28 The Procter & Gamble Company Cam-controlled core inserter for a surface winder
RU2689708C1 (ru) * 2014-07-31 2019-05-28 Фабио Перини С.П.А. Перемоточный станок и способ производства логов из рулонного материала

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11148895B2 (en) 2014-07-31 2021-10-19 Fabio Perini S.P.A. Rewinding machine and method of producing logs of web material
US10442649B2 (en) 2016-03-04 2019-10-15 The Procter & Gamble Company Surface winder for producing logs of convolutely wound web materials
US10427902B2 (en) 2016-03-04 2019-10-01 The Procter & Gamble Company Enhanced introductory portion for a surface winder
US10427903B2 (en) 2016-03-04 2019-10-01 The Procter & Gamble Company Leading edge device for a surface winder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1233170B (it) * 1989-03-09 1992-03-14 Perini Finanziaria Spa Macchina ribobinatrice per formare rotoli di carta od altro
JPH04317946A (ja) * 1991-04-17 1992-11-09 Tokushichi Yamazaki トイレットペーパーの巻取装置
IT1240907B (it) * 1991-07-16 1993-12-21 Perini Fabio Spa Metodo per la produzione di rotoli o logs di materiale nastriforme,e macchina per l'esecuzione di detto metodo
IT1289169B1 (it) * 1997-01-10 1998-09-29 Italconverting Srl Macchina e metodo per la produzione di rotoli o logs di materiali in foglio

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9376281B2 (en) 2013-09-09 2016-06-28 The Procter & Gamble Company Cam-controlled core inserter for a surface winder
US9708147B2 (en) 2013-09-09 2017-07-18 The Procter & Gamble Company Cam-controlled core inserter for a surface winder
RU2689708C1 (ru) * 2014-07-31 2019-05-28 Фабио Перини С.П.А. Перемоточный станок и способ производства логов из рулонного материала

Also Published As

Publication number Publication date
ES2190627T3 (es) 2003-08-01
ITMI981515A1 (it) 2000-01-01
DE69905802T2 (de) 2004-03-04
ATE234255T1 (de) 2003-03-15
EP0968946A1 (en) 2000-01-05
DE69905802D1 (de) 2003-04-17

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