EP0578956B1 - Dispositif de raccordement de deux bandes - Google Patents

Dispositif de raccordement de deux bandes Download PDF

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Publication number
EP0578956B1
EP0578956B1 EP93108891A EP93108891A EP0578956B1 EP 0578956 B1 EP0578956 B1 EP 0578956B1 EP 93108891 A EP93108891 A EP 93108891A EP 93108891 A EP93108891 A EP 93108891A EP 0578956 B1 EP0578956 B1 EP 0578956B1
Authority
EP
European Patent Office
Prior art keywords
roller
paper
paper roll
web
armed lever
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
EP93108891A
Other languages
German (de)
English (en)
Other versions
EP0578956A1 (fr
Inventor
Klaus Röder
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert 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 Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0578956A1 publication Critical patent/EP0578956A1/fr
Application granted granted Critical
Publication of EP0578956B1 publication Critical patent/EP0578956B1/fr
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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1868—The roll support being of the turret 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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B65H19/1815—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll the replacement web being stationary prior to splicing contact

Definitions

  • the invention relates to a device for connecting a beginning of a rotating reserve residual paper roll to a moving paper web of a residual paper roll according to the preamble of claim 1.
  • a device according to the preamble of claim 1 is known from US-A-1 967 056.
  • a device for gluing a new web to a running paper web is known in that the new paper roll has a prepared adhesive tip on the outside at its beginning of the paper web, which is connected to the running paper web of the paper roll coming to an end by pressing brush elements . Since stretching of the paper web, which can lead to tearing of the paper, is to be avoided during the pressing process for connecting the two paper webs, two movable rods or rollers are provided according to the above-mentioned DE-PS 8 78 945. While one roller presses the running paper web of the end of the paper roll to the beginning of the new paper roll, another roller is moved in the opposite direction.
  • a disadvantage of this device is that the two rollers have a relatively large mass inertia, which cannot be overcome in a fraction of a second, in order to carry out the gluing device, since the paper throughput speed of today's high-performance web-fed rotary printing presses allows a very limited time for the gluing processes .
  • a paper web gluing device for rotary printing presses in which the running web is brought into contact with the new roll by means of a guide roller and at the same time a pressure brush for pressing the running web against the prepared adhesive point of the new paper roll and a second Roller to compensate for the change in length of the running web occurred, the actuating means of the two rollers and the brush are coupled to one another in such a way that the guide roller, the pressure brush and the compensating roller are adjusted by means of a screw drive actuated by a briefly switchable motor, which engages on a lever attached to the brush shaft, to which an actuating rod is pivoted for pivoting the guide and compensating roller.
  • a disadvantage of this device is that a large amount of drive and transmission elements is required to connect the two paper webs to one another.
  • the drive elements have such a mass inertia that the gluing or connecting process of the paper webs takes place in periods that are unacceptable in today's high-performance web-fed rotary printing press at a paper running speed of 15 m / s and more.
  • the invention has for its object to provide a generic device in which an increase in the paper tension can be largely avoided during the connection of two paper webs during the paper roll changing process.
  • the paper webs are connected to one another without changing the paper tension as a result of a paper length compensation, which inevitably takes place without the need for high expenditure on gear technology. Stretching or tearing of the paper web, even at high machine speeds, can thus be excluded.
  • Fig. 1 is in a machine frame 1, a roller carrier 2, which has an expiring, ie. H. end of paper roll 3 and a new paper roll 4 with a prepared adhesive tip.
  • the roller carrier 2 also carries a paper guide roller 6 which is fixedly arranged on an arm and is rotatably mounted.
  • a pivotable support frame designated overall by 7, has two side parts 8 running parallel to the machine frame 1; 9, of which only the side part 8 is visible.
  • the side parts 8; 9 connected via an axis of rotation 12 for a double-armed lever 13 of an equalizing device, denoted overall by 15, shown here without a drive.
  • the support frame 7 can be moved via its drive shaft 11 into a rest position B shown in dashed lines in a parallel guide fixed to the frame, which is designated overall by 14.
  • guide levers 16; 17 on the side parts 8; 9 articulated which are fixed to the frame at their opposite ends.
  • the support frame 7 can be pivoted through an angle ⁇ of approximately 120 ° from the preparation position into the rest position, so that the guide levers 16; 17 and the support frame 7 assume the dashed position B.
  • the parts 17 and 19 mentioned are also not visible in FIG. 1.
  • the double-armed lever 13 - twice present - is on the axis of rotation 12 with the side parts 8; 9 connected and carries a guide roller 21 on its end facing the roller carrier 2 and a guide roller on its end facing away from the roller carrier 2 22.
  • the guide roller 22 serves as an adhesive roller and the guide roller 21 can be equipped with a knife bar 23 for severing a paper web that is coming to an end.
  • Above the parallel guide 14 are two guide rollers 26 fixed to the frame; 27, between which there is a dancer roller 28 which can be moved back and forth in the direction of arrow C.
  • a paper web 24 thus runs in the representation shown in FIG. 1 in the preparation position from the paper roll 3 in the indicated arrow direction over the paper guide roller 6 fixed to the roller carrier, over the guide rollers 21 pivotably mounted about the axis of rotation 12 and about the lever 13; 22. If the pivotable support frame 7 is in the rest position B, which is shown in broken lines in FIG. 1, then the paper web 24 runs over the guide rollers 6; 26; 28; 27.
  • FIG. 2 shows an enlarged illustration of the support frame 7 with the compensation device 15 in the preparation position and FIG. 3 shows the same picture, but in the working position.
  • the guide rollers 21; 22 by means of axes 29; 31 stored.
  • Two working cylinders 32 for example pneumatic working cylinders, only shown once, are each via their articulation points 33; 34 attached to the support frame 7 and the double-armed lever 13 near the axis 31 of the guide roller 22.
  • the pneumatic working cylinder 32 has connecting pieces 36, the hoses and control arrangements with a central, not shown, not shown Compressed air supply system are connected.
  • the working cylinder 32 is shown in Fig. 4 rotated by about 90 o for better understanding.
  • a pneumatic working cylinder 37 with a connecting piece 38 is arranged between the articulation points 39 on the lever arm 13 in the vicinity of the guide roller 22 and the articulation points 41 on couplers 42.
  • the couplers 42 shown only once, are non-rotatably connected to the guide roller carrying the knife bar 23.
  • a gear motor (not shown) rotates the shaft 11 according to FIGS. 4 and 1.
  • the shaft 11 is at its end with a gear 43 and a guide roller 44 provided.
  • the gear 43 meshes in a rack 46 and the guide roller 44 runs in a guide rail 47 fixed to the frame; 48, so that the drive shaft 11 has taken the position 11.1 in the dashed rest position.
  • the guide lever 16; 17 then also take the dashed position B of FIG. 1.
  • the operation of the device is summarized as follows. From the rest position B, the support frame 7 is in time before the role change in Preparation position driven according to FIG. 2.
  • a signal from the machine control (not shown) makes the working cylinder 32 effective and briefly presses the guide roller 22, which acts as an adhesive roller, according to the direction of the arrow E in FIG the pressing of the guide roller 22, the lever 13 is rotated about its axis of rotation 12, so that an increase in tension in the paper web 24 is avoided by the compensating movement of the guide roller 21 in the direction of arrow F.
  • the guide roller 21 is subsequently moved by the working cylinder 37 so that the knife bar 23 knocks off the paper web of the paper roll 3 that is coming to an end, which is already glued to the beginning of the new paper roll 4, so that only the new paper roll 4 expires.
  • the support frame 7 can be moved back with the compensation device 15 from the working position through the preparation position to the rest position B.

Claims (1)

  1. Dispositif pour raccorder le début d'une bande de papier d'une bobine de papier de réserve en rotation (4) avec une bande de papier en mouvement (24) d'une bobine de papier finissante (3) d'un changeur de bobine automatique d'une machine à imprimer rotative à bobine, comprenant un châssis porteur (7) pouvant quitter en pivotant une position de repos (B) et comportant des leviers à double bras (13) qui sont montés sur des axes de rotation (12) et qui peuvent pivoter selon un angle (α) afin d'appliquer le rouleau colleur (22) contre la bobine de papier de réserve (4) et pour permettre au rouleau conducteur (21) d'effectuer son mouvement de compensation dans la direction opposée, et le châssis porteur (7) pouvant être amené dans une position préparatoire, le rouleau colleur (22) étant disposé dans les premiers bras de levier du levier à double bras (13) et un rouleau conducteur (21) mobile selon son axe longitudinal (21) étant disposé dans ses seconds bras de levier, et aussi bien le rouleau colleur (22) que le rouleau conducteur (21) touchant simultanément la bande de papier en mouvement (24) de la bobine de papier finissante (3) en position de travail et en position préparatoire, caractérisée en ce que les leviers à double bras (13) sont actionnés par un vérin (32) qui sert à produire un pivotement du levier à double bras (13), qui prend appui sur le châssis porteur (7) et qui agit sur le levier à double bras (13), et le rouleau conducteur (21) comporte, contre sa périphérie, une lame fixe (23) s'étendant dans le sens axial, et en ce que le rouleau conducteur (21) associé à la lame (23) peut pivoter autour de son axe longitudinal au moyen d'un vérin (37) articulé sur l'un des leviers (13).
EP93108891A 1992-06-09 1993-06-03 Dispositif de raccordement de deux bandes Expired - Lifetime EP0578956B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4218825 1992-06-09
DE4218825A DE4218825C2 (de) 1992-06-09 1992-06-09 Vorrichtung zum Verbinden zweier Papierbahnen

Publications (2)

Publication Number Publication Date
EP0578956A1 EP0578956A1 (fr) 1994-01-19
EP0578956B1 true EP0578956B1 (fr) 1997-04-16

Family

ID=6460613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93108891A Expired - Lifetime EP0578956B1 (fr) 1992-06-09 1993-06-03 Dispositif de raccordement de deux bandes

Country Status (4)

Country Link
US (1) US5423496A (fr)
EP (1) EP0578956B1 (fr)
JP (1) JPH0815964B2 (fr)
DE (2) DE4218825C2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709355A (en) † 1994-06-16 1998-01-20 Valmet Corporation Splicing device for a continuous unwind stand
DE4441142C2 (de) * 1994-11-18 1999-09-30 Koenig & Bauer Ag Zweirichtungsschwenkrahmen einer Papierrollenwechseleinrichtung
FR2766472B1 (fr) * 1997-07-22 1999-10-29 Heidelberger Druckmasch Ag Dispositif de secours en cas de rupture de bande de papier dans une machine rotative a imprimer en fonctionnement
DE19919759A1 (de) * 1999-04-29 2000-11-02 Heidelberger Druckmasch Ag Vorrichtung zum Zuführen eines kontinuierlichen Materials zu einer Druckmaschine
DE10022963B4 (de) * 2000-05-11 2005-04-21 Koenig & Bauer Ag Vorrichtung zum Verbinden zweier Bahnen
DE10058458B4 (de) 2000-11-24 2005-12-08 Koenig & Bauer Ag Vorrichtung zum Verbinden zweier Materialbahnen
DE10058437B4 (de) * 2000-11-24 2006-03-30 Koenig & Bauer Ag Vorrichtungen zum Verbinden zweier Materialbahnen
DE10058436B4 (de) * 2000-11-24 2006-03-30 Koenig & Bauer Ag Vorrichtungen zum Verbinden zweier Materialbahnen
DE10063000C2 (de) * 2000-12-16 2003-05-15 Koenig & Bauer Ag Vorrichtung zum Verbinden zweier Materialrollen
DE102005028333B4 (de) * 2005-06-18 2013-05-02 Koenig & Bauer Aktiengesellschaft Tänzerwalzensystem
DE102006042217B4 (de) 2006-09-08 2011-07-14 KOENIG & BAUER Aktiengesellschaft, 97080 In einem Rollenwechsler für eine Rollendruckmaschine durchgeführtes Verfahren zum Verbinden einer ersten Materialbahn mit einer zweiten Materialbahn
DE102007002994A1 (de) 2007-01-20 2008-07-31 Koenig & Bauer Aktiengesellschaft Rollenwechsler und ein Verfahren zur Verarbeitung von Materialrollen mit unterschiedlicher Abrollrichtung
DE102010042520B4 (de) 2010-10-15 2014-07-31 Koenig & Bauer Aktiengesellschaft Verfahren zum Verbinden einer ersten Materialbahn mit einer zweiten Materialbahn
DE102011003735B4 (de) 2011-02-08 2013-10-10 Koenig & Bauer Aktiengesellschaft Rollen-Rotationsdruckmaschine und ein Verfahren zum Verbinden einer ersten Materialbahn mit einer zweiten Materiealbahn in einer Rollen-Rotationsdruckmaschine
DE102012201937B3 (de) * 2012-02-09 2013-02-28 Koenig & Bauer Aktiengesellschaft Rollenwechsler und ein Verfahren zum Verbinden einer ersten Materialbahn mit einer zweiten Materialbahn
JP6187647B1 (ja) * 2016-07-28 2017-08-30 富士ゼロックス株式会社 画像形成装置、連続媒体搬送装置、および画像形成システム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967056A (en) * 1932-01-15 1934-07-17 Hoe & Co R Web supply mechanism for printing machines
US2217897A (en) * 1936-12-08 1940-10-15 Hoe & Co R Web feeding mechanism
DE878945C (de) * 1944-04-14 1953-06-08 Asea Ab Vorrichtung zum Ankleben einer neuen Bahn an die ablaufende Papierbahn
GB1334704A (en) * 1970-06-18 1973-10-24 Halley Sons Ltd J Web joining devices
DD86409A1 (de) * 1970-12-23 1971-12-12 Papierbahnanklebevorrichtung für Rotationsdruckmaschinen
GB1359476A (en) * 1971-12-10 1974-07-10 Halley Sons Ltd James Web reel stands
DE3034674C2 (de) * 1980-09-13 1983-10-06 Albert-Frankenthal Ag, 6710 Frankenthal Wickelrollenträger
IT8320416V0 (it) * 1983-01-07 1983-01-07 Ims Spa Dispositivo per il collegamento a registro e/o testa a testa delle estremita' di due nastri di carta o cartone che si svolgono da due diverse bobine posizionate su un gruppo portabobine stellare a due o piu' posizioni.
JPS63212655A (ja) * 1987-02-28 1988-09-05 Teijin Seiki Co Ltd 薄帯体の巻出方法および装置
JPS6481745A (en) * 1987-06-23 1989-03-28 Voith Gmbh J M Suction box
JPH01267243A (ja) * 1988-04-20 1989-10-25 Hitachi Seiko Ltd 輪転印刷機におけるオートペースタ装置
DE3913131A1 (de) * 1989-04-21 1990-10-25 Hoechst Ag Verfahren und vorrichtung zum aufwickeln einer folienbahn
US4905924A (en) * 1989-07-10 1990-03-06 Enkel Corporation Web splicing tape
DE3931852A1 (de) * 1989-09-23 1991-04-04 Erhardt & Leimer Gmbh Rollenwechsler
JPH0610059B2 (ja) * 1990-11-02 1994-02-09 株式会社ヒラノテクシード ウエブ用巻出し機におけるウエブの継接装置

Also Published As

Publication number Publication date
US5423496A (en) 1995-06-13
EP0578956A1 (fr) 1994-01-19
JPH0656318A (ja) 1994-03-01
DE59306159D1 (de) 1997-05-22
DE4218825A1 (de) 1993-12-16
DE4218825C2 (de) 1995-02-23
JPH0815964B2 (ja) 1996-02-21

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