EP1053197B1 - Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel - Google Patents

Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel Download PDF

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Publication number
EP1053197B1
EP1053197B1 EP99907406A EP99907406A EP1053197B1 EP 1053197 B1 EP1053197 B1 EP 1053197B1 EP 99907406 A EP99907406 A EP 99907406A EP 99907406 A EP99907406 A EP 99907406A EP 1053197 B1 EP1053197 B1 EP 1053197B1
Authority
EP
European Patent Office
Prior art keywords
web
paper
flap
knife
suction
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
EP99907406A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1053197A1 (de
Inventor
Ernst Klas
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.)
Vits Maschinenbau GmbH
Original Assignee
Vits Maschinenbau GmbH
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 Vits Maschinenbau GmbH filed Critical Vits Maschinenbau GmbH
Publication of EP1053197A1 publication Critical patent/EP1053197A1/de
Application granted granted Critical
Publication of EP1053197B1 publication Critical patent/EP1053197B1/de
Anticipated expiration legal-status Critical
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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
    • B65H19/107—Processing the trailing end of the replaced web after splicing operation, e.g. rewinding it
    • 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
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/46152—Processing webs in splicing process after splicing cutting off tail after (flying) splicing

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a device suitable for carrying out this method according to Preamble of claim 6.
  • the so-called "adhesive flag" Section of the old sheet from the glue tip to the severed end one have the specified length so that when the adhesive flag passes through the Printing press no malfunctions occur.
  • the flags in the downstream processing stations can cause interference even then. if they're all one have a uniform prescribed length. Since the cut always only with one by the inertia of the separator and by the cycle times of the Control-related delay occurs, the flag can not be as short be cut off. For example, B. the delay time 10 ms and the web speed 15 m / s, the flag is at least 150 mm long.
  • the inventors Based on the knowledge that the creation of a disturbing flag with the today's technical means can hardly be avoided. the inventors have the Task given to specify a procedure with which the flag is subsequently added to a innocuous dimension is shortened before going into downstream processing stations arrives. It is also part of the task to carry out the to create suitable devices for new processes.
  • the first part of the task is characterized by the characteristics of the Claim 1 solved, the second part by the characterizing features of Claim 6. Further advantageous features of the invention are the subject of dependent claims.
  • FIG. 1 is a coming from a reel changer, not shown Paper web 1, on which a flag 2 still hangs, in the manner of a deflection roller 3 led that the flag 2 on the outside, d. H. on that from the center of curvature facing away.
  • the paper web 1 wraps around the deflection roller 3 in an angular range of approximately 180 °. Then she comes to one Roll 4, is redirected there and approximately parallel to the direction in which it runs to the pulley 3, continued, z. B. to a web press.
  • a knife 7 In a holder 6 arranged parallel to the deflection roller 3 there is a knife 7 attached, the cutting edge in the wrapping area close to the outer surface the pulley 3 reaches. Between the cutting edge of the knife 7 and the The lateral surface of the deflection roller 3 is only a small distance, for. B. about 2 mm.
  • the cutting edge of the knife 7 is preferably serrated and extends over the entire working width. It points to an essentially tangential, the movement the paper web 1 in the opposite direction.
  • the device works as follows: As soon as the approach of the flag 2 with high speed, e.g. B. 15 m / s, the pass line 10 has passed, the Flag on the one hand by the centrifugal force, on the other hand by the opposing resistance of the ambient air starts to move, which is similar to the movement of a whip string.
  • the flag 2 from behind Blowing nozzles 8, 9 acted upon by air blasts, the speed of which is significantly greater is as the speed of the paper web 1. They support the erecting Effect of centrifugal force and separate the free end of the flag 2 from the Paper web 1. This is at least approximately radially aligned and this way it reaches the cutting edge of knife 7. There it is except for one trimmed insignificant rest of a few mm.
  • FIG. 2 differs from that shown in FIG. 1 illustrated embodiment in that the holder 6 of the knife 7 a suction box 11 is attached. Its interior is not shown Suction device connected. It has a suction slot 12, which is immediate is located next to the knife 7.
  • the deflection roller 3 is an endless one circumferential suction belt 13 assigned.
  • the active run of the suction belt runs at a distance of about 20 to 60 mm parallel to a tangent that the Sheath of the deflection roller 3 in the looping area on a shortly before Cutting edge of the knife 7 touches the point.
  • a suction box in the usual way arranged, which is open on the side facing the active strand.
  • the flag 2 under the action of the centrifugal force and the Blow nozzles 8, 9 emerging air blasts with their free end from the at the Deflection roller 3 adjacent paper web 1 separated and against the active strand 14 of the suction belt 13 flung.
  • the flag is held there by suction.
  • the suction belt 14 is driven at a speed that is higher than the peripheral speed of the deflecting roller 3 Flag 2 pulled over the knife, so that a safe cut in immediate Proximity of the approach of the flag 2 is guaranteed.
  • the suction belt 13 can also run at a speed that is lower than the peripheral speed of the deflection roller 3. In this case the free end of the flag 2 is braked and the flag 2 is kept taut. This also facilitates the exact cutting of the flag.
  • Suction belt 13 is replaced by a rotating roller 15. It has a perforated one Jacket and is connected to a suction device, not shown. in the A shielding plate 16, which is only one, is arranged inside the roller 15 Suction zone 17 can freely, which extends over an angular range of around 60 ° and approximately the middle part of the looping area of the deflection roller 3 opposite.
  • the jacket of the roller 15 can be used with a friction-increasing Covering be provided, for. B. with a rubber coating.
  • the roller 15 has an impermeable, preferably rubberized coat.
  • the shield plate 16 is missing, as well of course the connection to a suction device.
  • the roller 15 acts only as a support and conveyor for the Flag 2. You can with the pulley 3 in terms of the peripheral speed be synchronized, but it can also lead or lag. In any case, she wears contribute to the flag 2 in a reproducible, favoring the cut Position the knife 7.
  • the exemplary embodiment in FIG. 5 has two deflection rollers 3a, 3b, the Deflection roller 3a is connected upstream of the deflection roller 3b in the goods run.
  • the paper web 1 wraps around the two deflection rollers 3a, 3b each in an angular range of approximately 90 °, so that it is opposite to the downstream guide roller 3b Direction is performed in which it is fed to the upstream deflection roller 3a becomes.
  • the Paper web Between the deflecting rollers 3a, 3b rotating in the same direction, the Paper web a straight line section 18. This is adjacent Suction box 19 arranged with perforated suction wall 20.
  • the suction wall is that Paper web strand turned, which just the straight line section 18th passes.
  • the distance between the paper web 1 and the suction wall 20 is about 20 to 50 mm.
  • a blowing nozzle 9 arranged, the blow jet in the gusset between the guide roller 3a and Suction wall 20 is directed.
  • a Knife 7 arranged in addition to the downstream guide roller 3b.
  • the flag 2 is separated from the Paper web 1 on the upstream deflection roller 3a by centrifugal force, supported by the effect of the air blast emanating from the blowing nozzle 9.
  • the free end of the flag 2 is held on the suction wall. This will make the Flag 2 fed to the knife 7 in the streamlined state.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP99907406A 1998-02-05 1999-01-23 Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel Expired - Lifetime EP1053197B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19804415 1998-02-05
DE19804415A DE19804415C1 (de) 1998-02-05 1998-02-05 Verfahren und Vorrichtung zum Kürzen der Fahne im Anschluß an einen fliegenden Rollenwechsel
PCT/EP1999/000436 WO1999040004A1 (de) 1998-02-05 1999-01-23 Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel

Publications (2)

Publication Number Publication Date
EP1053197A1 EP1053197A1 (de) 2000-11-22
EP1053197B1 true EP1053197B1 (de) 2002-01-02

Family

ID=7856645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99907406A Expired - Lifetime EP1053197B1 (de) 1998-02-05 1999-01-23 Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel

Country Status (7)

Country Link
US (1) US6547179B1 (un)
EP (1) EP1053197B1 (un)
JP (1) JP3418176B2 (un)
CA (1) CA2319410A1 (un)
DE (2) DE19804415C1 (un)
ES (1) ES2169945T3 (un)
WO (1) WO1999040004A1 (un)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19931797C1 (de) * 1999-07-08 2000-12-07 Vits Maschinenbau Gmbh Verfahren und Vorrichtung zum Kürzen der Fahne im Anschluß an einen fliegenden Rollenwechsel
DE10041969B4 (de) * 2000-08-25 2012-03-29 Goss Contiweb B.V. Verfahren und Vorrichtung zum Kürzen der Fahne im Anschluss an einen Rollenwechsel
DE10058458B4 (de) * 2000-11-24 2005-12-08 Koenig & Bauer Ag Vorrichtung zum Verbinden zweier Materialbahnen
DE10138737A1 (de) * 2001-08-07 2003-02-20 Roland Man Druckmasch Vorrichtung zum Abschlagen einer Papierbahn
WO2007114813A1 (en) * 2006-04-03 2007-10-11 Hewlett-Packard Development Company, L.P. Web printing, web printers and related software
JP2008105808A (ja) * 2006-10-25 2008-05-08 Mitsubishi Heavy Ind Ltd 印刷機および給紙装置による紙継ぎ方法
CA3109820C (en) 2016-04-28 2023-09-19 Lantech.Com, Llc Automatic roll change for stretch wrapping machine
DK3281878T3 (da) * 2016-08-10 2018-11-12 Maschf Moellers Gmbh Indretning til omvikling af en godsstabel med en rørkappe og fremgangsmåde til udskiftning af rørfolielageret i en tilsvarende indretning
DE102016225980B4 (de) * 2016-12-22 2019-09-12 Koenig & Bauer Ag Vorrichtung zum Abschneiden einer an einer durch die Vorrichtung zu führenden Materialbahn hängenden Materialbahnfahne sowie Rollendruckmaschine
DE102018108168A1 (de) * 2018-04-06 2019-10-10 Manroland Goss Web Systems Gmbh Verhindern des Flatterns der Klebefahne im Foliendruck

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2023100C3 (de) * 1970-05-12 1981-08-06 Hauni-Werke Körber & Co KG, 2050 Hamburg Verfahren und Vorrichtung zum Herstellen einer Verbindung zwischen einem ablaufenden Streifen und einem neu bereitgestellten Streifen
US3915399A (en) * 1974-04-01 1975-10-28 Eastman Kodak Co Apparatus and method for splicing the trailing end of an expiring web to the leading end of a new web
DE2519057C2 (de) 1975-04-29 1986-04-10 Windmöller & Hölscher, 4540 Lengerich Verfahren und Vorrichtung zum Stoßkleben von Bahnen bei fliegendem Rollenwechsel bei Abwickelvorrichtungen
DE2619236C3 (de) * 1976-04-30 1989-06-08 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Steuerung des fliegenden Anschließens einer Bahn von einer zweiten Wickelrolle an eine von einer ersten Wickelrolle überlaufende Bahn
DE2911268C2 (de) * 1979-03-22 1983-09-15 Vits-Maschinenbau Gmbh, 4018 Langenfeld Vorrichtung zum ununterbrochenen Abwickeln von Warenbahnen
US5356496A (en) 1992-06-15 1994-10-18 The Black Clawson Company Splice tail tape-down method and apparatus
DE69300282T2 (de) 1993-12-16 1996-03-21 Tabac Fab Reunies Sa Vorrichtung zum Verbinden von Bändern aus weichem Material.
DE29504553U1 (de) * 1995-03-17 1995-06-14 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Vorrichtung zum Stabilisieren einer Warenbahn

Also Published As

Publication number Publication date
JP2002502787A (ja) 2002-01-29
EP1053197A1 (de) 2000-11-22
ES2169945T3 (es) 2002-07-16
US6547179B1 (en) 2003-04-15
DE19804415C1 (de) 1999-08-26
JP3418176B2 (ja) 2003-06-16
DE59900714D1 (de) 2002-02-28
CA2319410A1 (en) 1999-08-12
WO1999040004A1 (de) 1999-08-12

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