EP1523447B1 - Tige de deviation destinee a une bande de materiau - Google Patents

Tige de deviation destinee a une bande de materiau Download PDF

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Publication number
EP1523447B1
EP1523447B1 EP03727182A EP03727182A EP1523447B1 EP 1523447 B1 EP1523447 B1 EP 1523447B1 EP 03727182 A EP03727182 A EP 03727182A EP 03727182 A EP03727182 A EP 03727182A EP 1523447 B1 EP1523447 B1 EP 1523447B1
Authority
EP
European Patent Office
Prior art keywords
deflecting bar
flow rotor
bar according
cross
jacket
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
EP03727182A
Other languages
German (de)
English (en)
Other versions
EP1523447A1 (fr
Inventor
Rüdiger Karl SEYFRIED
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 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 AG filed Critical Koenig and Bauer AG
Publication of EP1523447A1 publication Critical patent/EP1523447A1/fr
Application granted granted Critical
Publication of EP1523447B1 publication Critical patent/EP1523447B1/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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/06—Turning-bar arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web

Definitions

  • the invention relates to a deflection bar for a material web according to the preamble of claim 1.
  • Such deflection rods or turning bars are in large numbers z. B. used in newspaper printing presses to redirect paper webs or strands, bundle and / or supply a folder.
  • these deflecting rods have a jacket with a plurality of air outlet openings through which the turner bar can discharge compressed air supplied from outside in order to produce an air cushion between the jacket of the turner bar and the paper web deflected thereon, which allows an almost frictionless and smear-free deflection.
  • deflecting rods are usually connected to several via pipelines to a central compressed air source.
  • the compressed air requirement of a turner bar is dependent on its geometry, the extent of wrap around a deflected web, its width, tension, etc.
  • the actual air flow depends on the power of the compressed air source and the geometry, in particular the length and the flow resistance of the compressed air source to the turning bar leading pipeline.
  • the DE 100 63 025 A1 and the DE 196 47 919 A1 reveal paper guide rollers, each with its own blower.
  • the invention has for its object to provide a deflection bar for a material web with a simple structure.
  • the deflection bar Due to the displacement of the fan into the interior of the deflection bar, the deflection bar permits a particularly compact construction, which is well suited for a modular construction or also for retrofitting to existing web-processing machines.
  • a blower design that is particularly well suited for installation in a turner bar is a cross-flow rotor.
  • An electric motor for driving the cross-flow rotor can also be advantageously accommodated in the interior of the jacket of the deflection bar.
  • a roller bearing is expediently between the cross-flow rotor and the inner surface of the shell arranged.
  • An intake opening of the pressure generator may be arranged on an end face of the deflection bar.
  • a housing of the cross-flow rotor may be open at its front side facing the intake opening, in order to allow as unobstructed air access as possible; It is also conceivable that an air duct is guided from the intake opening through a hollow shaft of the electric motor to the cross-flow rotor.
  • At least one suction opening of the pressure generator can be arranged on the jacket. This is particularly expedient if several selectively operable cross-flow rotors are accommodated in the jacket.
  • the jacket can be divided into individual segments in the axial direction and / or in the circumferential direction.
  • the suction opening formed on the jacket should be arranged as close as possible to one of the ends of the deflection bar. If the end itself contains the electric motor, the suction port is expediently arranged between this end and a portion of the shell containing the cross-flow rotor.
  • the compressed air generator has a plurality of cross-flow rotors, of which at least one can be selectively coupled to a motor and decoupled from this, to operate it only when powered on one of this cross-flow rotor Section of the width of the deflection bar actually a material web is deflected.
  • the turning bar has a hollow cylindrical shell 01, which is provided on one half of its circumference with regularly distributed air outlet openings 02.
  • the jacket 01 is open on one end face 03; at its opposite end, it is connected by means of a pipe 04, which is attached at an angle of approximately 45 °, to a (in the Fig. 1 not shown) supporting frame connected.
  • a blower 06, z. B. a cross-flow rotor 06 extends substantially over the entire length of the shell 01 in the hollow interior and by means of two bearings 07, z. B. roller bearings 07 rotatably mounted, each bearing with an outer ring on the inside of the shell 01 and with an inner ring each have a front plate 08 and a front ring 09 of the cross-flow rotor 06 wear.
  • a plurality of fins 11 Between the end plate 08 and the end ring 09 extend, evenly distributed in the circumferential direction, a plurality of fins 11 with a curved cross section in the axial direction of the shell 01.
  • the fins 11 generate at a rotation of the cross-flow rotor 06 an overpressure in a gap 12 between the cross-flow rotor 06 and the shell 01, so that air from the gap 12 via the air outlet openings 02 flows out to an air cushion for a wrapped around the jacket 01 (not shown) material web, for. B. to create a paper web.
  • interior of the cross-flow rotor 06 outside air flows over the open end 03 of the shell 01 and the opening of the end ring 09 of the cross-flow rotor 06 after.
  • the rotation of the cross-flow rotor 06 is driven by a shaft 14 which acts on the front plate 08 and which is coupled via a cardan joint 16 to a shaft 17 guided through the pipe 04.
  • An electric motor (not shown) for driving the shaft 17 is mounted on the support frame.
  • connection of the tube 04 with the support frame may be formed with a large free passage cross-section, and also the face plate 08 may have apertures (not shown) to allow air to flow into the interior 13 of the engine also from the side of the tube 04 ,
  • an electric motor 21 for rotating the cross-flow rotor 06 within the shell 01 at a closed end 22 is arranged.
  • the end 22 opposite the end face 03 is open as in the first embodiment, so that outside air is sucked through this opening into the inner space 13.
  • the cross-flow rotor 06 is connected via the end plate 08 directly to the drive shaft of the electric motor 21; the end ring 09 is in turn held by a roller bearing 07 arranged between it and the casing 01.
  • Fig. 4 shows a third embodiment of the deflection bar in an axial section.
  • the jacket 01 carries on a side facing away from the air outlet openings 02 a web 24 on which a (not shown support arm) of the support frame is pivotally fastened, so that the deflection between two stop positions about an axis perpendicular to the cutting plane by about 90th ° is pivotable.
  • two cross-flow rotors 06 are arranged, each having a drive via an electric motor 21.
  • the electric motors 21 are arranged at opposite ends 22 of the turning bar.
  • the shafts 26 of the electric motors 21 are hollow and led out at the end faces of the deflection bar.
  • the two electric motors 21 are operable independently of each other, depending on whether one over the entire effective, d. H. provided with air outlet openings 02 width of the shell 01 extending material web to be deflected or a material web, which covers only the left or right half of this effective width.
  • the crossover rotor 06 which is not wrapped by a material web, remains unrestrained.
  • Fig. 5 shows an axial partial section through a deflection bar according to a fourth embodiment of the invention.
  • the structure of the turning bar is symmetrical with respect to the designated by the dotted line A cutting plane with the exception of the support arm 23, of course, only on the in the Fig. 5 shown end 22 of the deflection bar acts while the unillustrated, opposite end 22 is cantilevered.
  • the electric motors 21 have a thick, hollow shaft 26, which is led out frontally and allows the supply of the interior 13 of the fixedly coupled to the shaft 26 Querstromrotors 06 with outside air.
  • the shaft 26 extends freely through a second fan 27, for. B. cross-flow rotor 27.
  • This second cross-flow rotor 27 has at its end facing the motor 21 an end ring 09 with a central opening through which the shaft 26 extends, wherein the free cross section of the opening is considerably larger than the cross section of the shaft 26.
  • a chamber 28 which communicates with the environment via a plurality of suction openings 29 broken into the casing 01.
  • the supply lines for both electric motors 21 are guided by the support arm 23.
  • An end face 31 of the cross-flow rotor 27 lying opposite the end ring 09 can be brought into frictional or frictional connection with the cross-flow rotor 06 by axial displacement of the cross-flow rotor 27 or, alternatively, the cross-flow rotor 06 and the shaft 26.
  • the end face 31 and the opposite surface of the cross-flow rotor 06 may be provided with complementary teeth.
  • the two cross-flow rotors 06; 27 disengaged, and the electric motor 21 drives only the cross-flow rotor 06 at.
  • the adhesion is established, rotate both cross-flow rotors 06; 27.
  • the cross-flow rotors 06; 27 are selectively driven in a corresponding manner, the deflection of the Fig. 5 being able to produce a customized width air cushion, each below a quarter-width of material web deflected at one of the two middle quarters of the jacket 01, of a half-width material web deflected at the two central quarters of the jacket 01, less than three quarters wide or one full width To produce material web.
  • Fig. 6 shows a fifth embodiment of the deflection bar, which differs from the embodiment of the Fig. 5 characterized in that the chamber 28 is omitted with the suction openings 29; instead, a plurality of apertures 32 are formed in the portion of the shaft 26 extending through the second cross-flow rotor 27.
  • a plurality of electric motors 21 may be arranged.
  • the electric motors 21 are adjustable to different speeds.
  • the speed of the electric motors 21 is adjustable as a function of width and / or speed and / or coefficient of friction and / or tension of the material web.
  • the electric motors 21 a deflection bar have z. B. an operating state different speeds.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Basic Packing Technique (AREA)
  • Chutes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Chain Conveyers (AREA)
  • Drying Of Solid Materials (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Coating Apparatus (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (13)

  1. Tige de déviation, pour dévier une bande de matériau, avec une enveloppe (1) munie d'une pluralité d'ouvertures de sortie d'air (02), une soufflante (06 ; 27), pour alimenter les ouvertures de sortie d'air (02), étant logée à l'intérieur de l'enveloppe (1), caractérisée en ce que la soufflante (06 ; 27) comprend au moins un rotor à courant transversal (06 ; 27).
  2. Tige de déviation selon la revendication 1, caractérisée en ce qu'un moteur électrique (21), pour l'entraînement du rotor à courant transversal (06 ; 27), est logé à l'intérieur de l'enveloppe (01).
  3. Tige de déviation selon la revendication 1 ou 2, caractérisée en ce qu'un palier à roulement (07) est disposé entre le rotor à courant transversal (06 ; 27) et la surface intérieure de l'enveloppe (01).
  4. Tige de déviation selon la revendication 1 à 3, caractérisée en ce qu'une ouverture d'aspiration de la soufflante (06 ; 27) est disposée à une extrémité (22) de la tige de déviation.
  5. Tige de déviation selon la revendication 4, caractérisée en ce qu'un canal à air est guidé, de l'ouverture d'aspiration (29) au rotor à courant transversal (06 ; 27), à travers un arbre creux (26) du moteur électrique (21).
  6. Tige de déviation selon l'une des revendications 1 à 5, caractérisée en ce qu'une ouverture d'aspiration (29) du générateur de pression est disposée sur l'enveloppe (01).
  7. Tige de déviation selon les revendications 2 et 6, caractérisée en ce que le moteur électrique (21) est logé à une extrémité (22) de l'enveloppe (01), et en ce que l'ouverture d'aspiration (29) est disposée entre l'extrémité (22) et un tronçon, contenant le rotor à courant transversal (06 ; 27), de l'enveloppe (01).
  8. Tige de déviation selon l'une des revendications 1 à 7, caractérisée en ce que le générateur de pression d'air comprend une pluralité de rotors à courant transversal (06 ; 27), dont au moins l'un est, au choix, susceptible d'être accouplé à, et désaccouplé d'un moteur électrique (21).
  9. Tige de déviation selon la revendication 8, caractérisée en ce que le rotor à courant transversal (27) susceptible d'être désaccouplé est disposé entre le moteur électrique (21) et un rotor à courant transversal (06), couplé rigidement au moteur électrique (21).
  10. Tige de déviation selon la revendication 9, dans la mesure où l'on se réfère à la revendication 5, caractérisée en ce que l'arbre creux (26) présente au moins une ouverture (32) à hauteur du rotor à courant transversal (27) susceptible d'être désaccouplé.
  11. Tige de déviation selon la revendication 2, caractérisée en ce que plusieurs moteurs électriques (21) sont disposés dans une tige de déviation.
  12. Tige de déviation selon la revendication 11, caractérisée en ce que les moteurs électriques (21) sont réglables à des vitesses de rotation différentes.
  13. Tige de déviation selon la revendication 11 ou 12, caractérisée en ce que les vitesses de rotation des moteurs électriques (21) sont réglables en fonction de la largeur et/ou de la vitesse et/ou du coefficient de frottement et/ou de la tension mécanique de la bande de matériau.
EP03727182A 2002-07-18 2003-04-07 Tige de deviation destinee a une bande de materiau Expired - Lifetime EP1523447B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10232555 2002-07-18
DE10232555A DE10232555B3 (de) 2002-07-18 2002-07-18 Umlenkstange für eine Materialbahn
PCT/DE2003/001131 WO2004016534A1 (fr) 2002-07-18 2003-04-07 Tige de deviation destinee a une bande de materiau

Publications (2)

Publication Number Publication Date
EP1523447A1 EP1523447A1 (fr) 2005-04-20
EP1523447B1 true EP1523447B1 (fr) 2008-12-31

Family

ID=29723909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03727182A Expired - Lifetime EP1523447B1 (fr) 2002-07-18 2003-04-07 Tige de deviation destinee a une bande de materiau

Country Status (5)

Country Link
EP (1) EP1523447B1 (fr)
AT (1) ATE419208T1 (fr)
AU (1) AU2003233933A1 (fr)
DE (2) DE10232555B3 (fr)
WO (1) WO2004016534A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005000094A1 (de) * 2005-07-26 2007-02-01 Voith Patent Gmbh Wickelkern, Wickelmaschine und Verfahren zum Aufwickeln einer Materialbahn
DE102010006208A1 (de) * 2010-01-29 2011-08-04 Eastman Kodak Company, N.Y. Verfahren und Vorrichtung zum Wenden von bahnförmigen Substraten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE196703C1 (fr) * 1956-04-07 1965-06-15 Svenska Flaektfabriken Ab
JPS597655A (ja) * 1982-07-05 1984-01-14 Nisshin Steel Co Ltd 低接触圧サポ−トロ−ル装置
DE19647919A1 (de) * 1996-11-20 1998-05-28 Voith Sulzer Papiermasch Gmbh Vorrichtung zur Führung einer Materialbahn
DE10063025B4 (de) * 2000-12-16 2005-05-12 Man Roland Druckmaschinen Ag Feststehende Papierleiteinrichtung

Also Published As

Publication number Publication date
WO2004016534A1 (fr) 2004-02-26
ATE419208T1 (de) 2009-01-15
DE10232555B3 (de) 2004-01-15
EP1523447A1 (fr) 2005-04-20
DE50311009D1 (de) 2009-02-12
AU2003233933A1 (en) 2004-03-03

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