EP0668228A2 - Installation pour établir un raccordement de bandes - Google Patents

Installation pour établir un raccordement de bandes Download PDF

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Publication number
EP0668228A2
EP0668228A2 EP94120633A EP94120633A EP0668228A2 EP 0668228 A2 EP0668228 A2 EP 0668228A2 EP 94120633 A EP94120633 A EP 94120633A EP 94120633 A EP94120633 A EP 94120633A EP 0668228 A2 EP0668228 A2 EP 0668228A2
Authority
EP
European Patent Office
Prior art keywords
knife
splice element
drum
web
cutting
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
EP94120633A
Other languages
German (de)
English (en)
Other versions
EP0668228A3 (fr
EP0668228B1 (fr
Inventor
Bernd Kaufmann
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.)
Voith Patent GmbH
Original Assignee
Voith Sulzer Papiermaschinen 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 Voith Sulzer Papiermaschinen GmbH filed Critical Voith Sulzer Papiermaschinen GmbH
Publication of EP0668228A2 publication Critical patent/EP0668228A2/fr
Publication of EP0668228A3 publication Critical patent/EP0668228A3/fr
Application granted granted Critical
Publication of EP0668228B1 publication Critical patent/EP0668228B1/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
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1847—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place on the replacement roll
    • 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
    • B65H19/20—Cutting-off the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • a device is known from EP 462 157 B1.
  • this device there is a separating knife on the splicing device, which is designed as a slim hollow cylinder and has a suction zone.
  • the cutting knife is arranged in a groove which is formed in the splice element.
  • the cutting knife has its own actuating device, which is set in motion during the cutting process. This naturally results in a relatively complicated structure of the splice element with a relatively strong weakening of the same in terms of claim, because the groove interrupts the cylindrical jacket.
  • DE 34 40 107 C2 describes a device for connecting the end of a running material web to the start of a second material web.
  • a knife is provided which is arranged separately from the splice element and is moved against a tensioned web section.
  • DE 39 01 854 A1 describes a similar device in which the web is moved against the cutting edge of a cutting device; the cutting device and the splice element are arranged separately from one another.
  • the object of the invention is to provide a device for rail connection, which has a relatively simple structure. This object is achieved by the features of the characterizing part of patent claim 1.
  • the splice element is very easy to assemble, in that it essentially consists of a cylindrical tube which has a suction zone on its jacket in a certain area. It is very resistant to bending and can therefore be designed with a relatively small diameter, which also results in considerable weight savings.
  • the actuating device of the cutting knife can also be made very robust, solid and simple. No laborious preparations need to be made for a repair, and the cutting blade can be replaced relatively easily and quickly.
  • the drum is shown with two circles 1 and 1 'in dash-dot lines, the drum 1' having the greatest possible extent.
  • the web that has run off the old, now immobilized, web winding 9 is designated by T. It is carried along by the splice element 2 from the position shown in the solid line to the dash-dot position during the pivoting movement. This pivoting movement is made possible by pivoting arms 3, which are fastened to the stand 12, which also carries the first deflecting roller 5 for the web. Further deflecting rollers 21 and 22 forward the web.
  • the separating device is indicated at 10, a cutting edge 11 and an actuating drive 15 e.g. is provided in the form of a hydraulic hoist.
  • the separating device is drawn in the working position in which the web is severed when the cutting edge or knife device is stationary by the tensioned web itself.
  • This is also the one working position of the splice element 2, which is indicated as a tubular cylinder and has a suction zone 4 in the form of a perforated jacket. During the suction process, the inside of the tube is placed under negative pressure. The associated vacuum connection is not shown here.
  • a further working position is indicated in which the splice element - shown in dashed lines - bears against the web winding 1 of smaller diameter.
  • the uppermost position of the splice element is the waiting position in which it remains in its starting position.
  • the splice element 2 When the splice element 2 is swiveled up into the further working position in which the splicing process takes place, the splice element can preferably be rotated about its own axis by a corresponding drive, so that the web remains taut during this process.
  • the splice element is pivoted back into the upper, drawn-out end or waiting position, then the new drum is inserted into the usual holder in place of the old web winding 9 by a known, but not shown, transport device, and then the splicing process by applying the splice element 2 carried out the scope of the new drum.
  • the last turn of the new drum naturally has an adhesive application at this splice point, e.g. in the form of a double-sided adhesive tape.
  • the web T 'then runs essentially in the horizontal direction towards the first deflection roller 5.
  • the device is of relatively simple construction and that the maximum swivel range of the swivel arms 3 specified here can also be easily carried out by a corresponding lifting device 14, for example of a hydraulic type.
  • a corresponding lifting device 14 for example of a hydraulic type.
  • a similar arrangement results with the reverse web of the drum and the old web winding in the case of an opposite winding direction.
  • FIG. 2 corresponds in principle to that of FIG. 1. Only the knife device has essentially been changed.
  • a stand 24 is provided here next to the drum, which is located at a distance from the unwind frame 41 with the bearing 36 of the respective drum.
  • the knife device consists of the knife 11, an elongated, rod-shaped or beam-shaped carrier 31 and side carriers 25 which hold the elongated carrier 31.
  • the carrier 31 extends along the drum just like the knife 11 '.
  • the side supports 25 are guided here by means of rollers 29 and 30 in the guideways 27 of the stand 24.
  • the drive takes place via a chain 34 and one of the chain wheels 32 and 33 via a drive motor, not shown here, e.g. an electric motor.
  • the upper end of the guideway 27 and accordingly the cutting position of the knife 11 ' is located above the horizontal plane H running through the drum axis.
  • the cutting process is brought about by pivoting the splicing device 2 down into the lower position indicated here, essentially solely by the web tension. Further details of the auxiliary devices for moving the drum are also not shown in FIG. 1 here. It should also be mentioned that the rolling frame 41 rests on a base plate 42 of the foundation.
  • FIG. 3 shows a similar drive device for the knife device, wherein a chain, a rope or a toothed belt 40 can also be used here.
  • the drive takes place via a hydraulic or pneumatic actuating cylinder 39 and a lever 38 which is fastened in each case to the side supports 25 of the knife device.
  • the favorable area for attaching the adhesive strip for the splicing process is indicated by angle a.
  • the guideways 27, 27 'and also the uprights 24 essentially run vertically, preferably at most 30 deviating from the vertical. This results in a very space-saving arrangement, which is possible in confined spaces e.g. is favorable due to the type of training of the unwind stand. Therefore, the stands 24 are also located in a favorable manner - in the direction transverse to the drum 1, 1 '- away from the roller stands 41.
  • FIG. 4 shows a similar device with regard to the knife device as in FIG. 2.
  • a different drive of the splice element 2 is provided.
  • a drive rod 50 guided by a slide 53 is actuated by a piston 54 of a hydraulic or pneumatic lifting element 51 via a holder 54.
  • the guideway of the slide shoe 53 is indicated by 54.
  • the whole is carried by a console 56 with an attachment 57. This rests on a stand 12 'which also receives the first deflection roller 5' for the web.
  • FIG. 5 the drive of the knife device according to FIG. 2 is again varied in a somewhat different way.
  • the side supports 25 'for the bar-shaped knife support 31 - here in the form of a tube - slide on rollers 29' and 30 'and are driven via a connecting bracket 67 by a guide carriage 60 which engages in the guide tracks 27' of the stand 59 by means of rollers 61 and 62 a chain 34 'is moved.
  • a motor e.g. via a chain wheel no longer recognizable here, which corresponds to the chain wheel 33. an electric motor.
  • the stand 59 is also given particular stability by a stiffening rib 65.
  • the side supports 25 'each have an extension 66 to which the cutter bar 31 is fastened.
  • the stand 59 can have on both sides of the guideways 27 'substantially up to the upper position of the guide carriage 60 shown here, so that two pairs of rollers 64 and 62 each engage in these guideways, so that the guide carriage 60 is guided quite well.
  • the knife actuation device shown in FIGS. 2-5 has the advantage that obstacles can be avoided by the knife, in which case the obstacle is practically the old web winding 9. Due to the guideways, a very favorable cutting position can be achieved and in this way comes very close to the upper peripheral region of the web winding 9 when it has reached its cutting position.
EP94120633A 1994-01-25 1994-12-24 Installation pour établir un raccordement de bandes Expired - Lifetime EP0668228B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4401963A DE4401963C2 (de) 1994-01-25 1994-01-25 Einrichtung zum Herstellen einer Bahnverbindung
DE4401963 1994-01-25

Publications (3)

Publication Number Publication Date
EP0668228A2 true EP0668228A2 (fr) 1995-08-23
EP0668228A3 EP0668228A3 (fr) 1996-09-25
EP0668228B1 EP0668228B1 (fr) 2000-08-02

Family

ID=6508556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94120633A Expired - Lifetime EP0668228B1 (fr) 1994-01-25 1994-12-24 Installation pour établir un raccordement de bandes

Country Status (8)

Country Link
US (1) US5740982A (fr)
EP (1) EP0668228B1 (fr)
JP (1) JPH07291492A (fr)
KR (1) KR950031272A (fr)
AT (1) ATE195110T1 (fr)
CA (1) CA2140998C (fr)
DE (2) DE4401963C2 (fr)
FI (1) FI950185A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6161793A (en) * 1999-01-22 2000-12-19 Lindstrand; Bruce L. Paper unwind splicer for drawing from the top or bottom of a reel
IT1318105B1 (it) * 2000-07-05 2003-07-23 Giovanni Gambini Dispositivo per la giunzione di un lembo finale di una bobina di carta in esaurimento con il lembo iniziale di una nuova bobina.
DE10041969B4 (de) * 2000-08-25 2012-03-29 Goss Contiweb B.V. Verfahren und Vorrichtung zum Kürzen der Fahne im Anschluss an einen Rollenwechsel
DE20019539U1 (de) * 2000-11-17 2001-02-15 Valmet Corp Anordnung zur Herstellung einer Bahnverbindung
DE10058458B4 (de) 2000-11-24 2005-12-08 Koenig & Bauer Ag Vorrichtung zum Verbinden zweier Materialbahnen
US7513277B2 (en) * 2007-05-23 2009-04-07 Voith Patent Gmbh Low tensile creep belt
EP2982629A1 (fr) * 2014-08-08 2016-02-10 Sidel S.p.a. Con Socio Unico Appareil et procédé pour épisser des bandes pourvues de motifs répétés

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440107A1 (de) * 1984-11-02 1986-05-22 Jagenberg AG, 4000 Düsseldorf Verfahren und vorrichtung zum verbinden einer ersten, zu einer verarbeitungsmaschine ablaufenden materialbahn mit dem anfang einer aufgewickelten zweiten materialbahn
EP0299180A2 (fr) * 1987-07-17 1989-01-18 J.M. Voith GmbH Dispositif de déroulage pour bande de papier ou de carton
DE3901854A1 (de) * 1989-01-23 1990-07-26 Jagenberg Ag Vorrichtung zum verbinden von materialbahnen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183011B1 (fr) * 1984-11-02 1988-03-30 JAGENBERG Aktiengesellschaft Procédé et dispositif pour épisser des bandes
DE3723601A1 (de) * 1987-07-17 1989-02-02 Voith Gmbh J M Maschine zum wickeln einer papier- oder kartonbahn
DE3907136A1 (de) * 1989-03-06 1990-09-13 Jagenberg Ag Vorrichtung zum verbinden von materialbahnen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440107A1 (de) * 1984-11-02 1986-05-22 Jagenberg AG, 4000 Düsseldorf Verfahren und vorrichtung zum verbinden einer ersten, zu einer verarbeitungsmaschine ablaufenden materialbahn mit dem anfang einer aufgewickelten zweiten materialbahn
EP0299180A2 (fr) * 1987-07-17 1989-01-18 J.M. Voith GmbH Dispositif de déroulage pour bande de papier ou de carton
DE3901854A1 (de) * 1989-01-23 1990-07-26 Jagenberg Ag Vorrichtung zum verbinden von materialbahnen

Also Published As

Publication number Publication date
EP0668228A3 (fr) 1996-09-25
FI950185A0 (fi) 1995-01-16
KR950031272A (ko) 1995-12-18
ATE195110T1 (de) 2000-08-15
DE59409468D1 (de) 2000-09-07
JPH07291492A (ja) 1995-11-07
US5740982A (en) 1998-04-21
DE4401963C2 (de) 1998-09-03
EP0668228B1 (fr) 2000-08-02
CA2140998C (fr) 2001-07-03
DE4401963A1 (de) 1994-06-09
FI950185A (fi) 1995-07-26
CA2140998A1 (fr) 1995-07-26

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