EP0397030B1 - Einrichtung zum Ausrichten einer intermittierend transportierten Warenbahn - Google Patents

Einrichtung zum Ausrichten einer intermittierend transportierten Warenbahn Download PDF

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Publication number
EP0397030B1
EP0397030B1 EP90108371A EP90108371A EP0397030B1 EP 0397030 B1 EP0397030 B1 EP 0397030B1 EP 90108371 A EP90108371 A EP 90108371A EP 90108371 A EP90108371 A EP 90108371A EP 0397030 B1 EP0397030 B1 EP 0397030B1
Authority
EP
European Patent Office
Prior art keywords
belt drive
roller
web
mount frame
pivotal
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
EP90108371A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0397030A2 (de
EP0397030A3 (de
Inventor
Georg Johann Lindner
Wolfgang Leo Scheller
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 EP0397030A2 publication Critical patent/EP0397030A2/de
Publication of EP0397030A3 publication Critical patent/EP0397030A3/de
Application granted granted Critical
Publication of EP0397030B1 publication Critical patent/EP0397030B1/de
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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/038—Controlling transverse register of web by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B65H2404/15212—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis rotating, pivoting or oscillating around an axis perpendicular to the roller axis

Definitions

  • the invention relates to a device on printing machines for aligning an intermittently transported web.
  • DE-OS 23 65 668 a device which u.a. has an intermittent belt drive, a paper web store that can be subjected to negative pressure, and a continuous belt drive.
  • DE-OS 24 18 015 shows a device for winding a web.
  • This web has transport perforations and is moved back and forth by a drive roller.
  • the ends of the material web are two each coils that can be driven forwards and backwards.
  • the drive of the spools is controlled in dependence on the main drive, so that the web can be moved forwards and backwards in the device and is wound up or unwound by the spools.
  • the coil axes can be raised and lowered, so that there is an optional inclination of the coil. This is intended to prevent the material web from running when the material web is wound onto the spool.
  • a horizontally pivotable frame in which a plurality of rotatable rollers is provided. At least one of these rollers serves as a pull roller and exerts a moment on the web.
  • the frame can be swiveled to enable the course of the web to be corrected.
  • the invention has for its object to provide a means by means of which a deflection of a material web caused by a material store under vacuum or other influences, which is transported by a belt drive immediately downstream of the material web storage, is returned to a target position.
  • the invention is based in particular on the advantage that means are provided for pre-aligning the paper web in front of the deflection-generating paper web store. This enables an extraordinarily fast response behavior of the device according to the invention.
  • the device according to the invention is pivotally mounted by means of low-friction ball elements.
  • a wrap angle of the draw roller group is very large, which means that high accelerations can be achieved without slippage.
  • the coupling of the alignment movement of the pre-correction roller and the tension roller group is particularly advantageous. This can save additional actuators.
  • a drawing roller group 3 for intermittent or continuous drive of a paper web 4 is arranged in a printing press between two processing stations 1, 2 (e.g. printing unit, perforator).
  • the paper web 4 leaves the processing station 1 and is fed by means of a pivotable, rotatably mounted correction roller 6 and a rotatably mounted roller 7 to a web store 8 which can be pressurized, the paper web 4 partially wrapping around the two rollers 6, 7.
  • the guide roller 7 is adjustable and is provided to influence a paper web entry angle into the web store 8. Leaving the web store 8, the paper web 4 is first fed to the drive device 3 and then to the processing station 2.
  • the paper web drive device 3 has a driven draw roller 9 and an impression roller 11 which can be adjusted to the draw roller 9.
  • the pull roller 9 is rotatably mounted in a frame 12.
  • the impression roller 11 is mounted on both sides of the frame 12 in a lever 13 rotatably approximately in the center.
  • the levers 13 are each pivotably attached to the frame 12 by means of a first lever end. At each second lever end, these are articulated by means of a piston rod 16, each with a pressurizable piston-cylinder unit 17.
  • the cylinders 17 are attached to the sides of the frame 12.
  • An adjustable stop 18 limits the position of the impression roller 11 on the pull roller 9.
  • the frame 12 can be pivoted horizontally by means of spherical elements 20, 21 which are supported on a crossmember 22 stored.
  • the traverse 22 is fastened at its ends to the side frames 19, 25 of the printing press and extends transversely to the paper web transport direction.
  • the crossmember 22 has two T-beam pieces 24.
  • the T-beam pieces 24 are screwed to the square cross member 22 at a distance from one another by means of their foot parts 26.
  • the crossmember 22 has a downward-directed pin 28 which specifies the fulcrum for the horizontal pivoting movement of the frame 12.
  • the bolt 28 engages in a receptacle 29 of an upper frame plate 31 of the frame frame 12.
  • Lubricants provided between the bolts 28 and the receptacle 31 ensure a low-friction pivoting movement of the frame frame 12.
  • the upper frame plate 31 has a number e.g. 4 of bores 32 in which the lower ball elements 20 are arranged.
  • the upper spherical elements 21 are each arranged at a distance on a common, vertical axis 33.
  • the ball elements 21 are each arranged in a bore 34 in a carrier plate 36.
  • Two adjustable set screws 37 screwed into the carrier plate 36 and into the upper frame plate 31, hold the ball elements 20, 21 at the desired distance a.
  • the distance a is approximately equal to the thickness d (for example 10 mm) of the arms 39, 41 of the T-beams 24, which each extend between two spherical elements 20, 21, so that the spherical elements 20, 21 are located on an upper and lower side 42.43 of arms 39.41 support.
  • a further receptacle 44 for an actuator 46 is fastened on the upper frame plate 31.
  • the actuator 46 is composed of a ball screw drive 47 and a DC gear motor 48.
  • the motor 48 is screwed to the crossmember 22 by means of a fastening means 49 (e.g. clamp, flange, angle iron or the like).
  • Two support brackets 51 are attached to a rear edge 49 of the crossmember 22, as seen in the web transport direction.
  • two support brackets 53 are also attached to a rear edge 52 of the frame plate 31.
  • the support brackets 51, 53 each have a bore 54 for receiving a ball element 56, 57.
  • the ball elements 56, 57 support a bearing plate 58 which is arranged pivotably about a bolt 59.
  • the bolt 59 is attached to the frame plate 31 projecting centrally upwards.
  • the bearing plate 58 has a tab 61 with a bore 62, in which the bolt 59 engages. On its sides, the bearing plate 58 each has a bearing block 63, 64 in which the correction roller 6 is rotatably mounted. In addition, the bearing plate has on its sides an arm 66, 67 directed towards the inner wall of the side frames 19, 25, which carries a rotatably mounted roller 68, 69 at its end.
  • An angle 71, 72 which has an inclined plane 73, 74, is screwed to the inner walls of the side frames 19, 25.
  • the rollers 68, 69 are simultaneously in contact with one of the two inclined planes 73, 74.
  • the angles 71,72 are arranged so that they have an incline when viewed in the sheet transport direction.
  • FIG. 3 shows the positions of the paper web 4 as a function of the position of the rollers 6, 9, 11.
  • the solid line represents the target position of the paper web 4.
  • the actual position is dash-dotted; the position pre-corrected by means of the pre-correction roller 6 is shown in dashed lines.
  • a paper web 4 fed to the correction roller 6 has a desired position (solid line) or a e.g. As seen in the direction of transport, the actual position is offset to the left (dash-dotted line).
  • the paper web 4 is deflected by the correction roller 6 and fed to the suction box 8.
  • the paper web layer for example, after it leaves the suction box 8 and the drawing roller group 3, is from a target position (solid line) e.g. shifted to the left.
  • the extent of the deviation from the target position is detected by means of known web edge or line reading means 76.
  • Corresponding signals are fed to an evaluation circuit 77, which carries out a target / actual value comparison and supplies the actuating motor 48 with the determined actuating signals for path correction.
  • the servomotor 48 turns its spindle to the left or to the right and causes the draw roller group 3 to be inclined.
  • the pulling roller group 3 When the paper web 4 is offset, for example to the left, the pulling roller group 3 is pivoted to the left, counterclockwise, around a pivot point specified by the bolt 28 in the sheet transport direction. With this measure, the web offset is corrected immediately, the paper web is moved to the right.
  • the draw roller group 3 has now assumed an inclined position with respect to its starting position.
  • the paper web 4 is precorrected at an upstream position.
  • the correction roller 6 is provided, which moves the paper web 4 beyond the target position to the right into a pre-correction position (dashed line).
  • the correction roller 6 is pivoted clockwise.
  • the running paper web 4 is forced to an offset to the right, which the pulling roller group 3 immediately compensates for by a pivoting movement to the right - clockwise - whereby the pulling roller group 3 is returned to its starting position.
  • the frame frame 12 is pivoted about a fixed pivot, which is predetermined by the bolt 28.
  • Suitable means can be, for example, articulated levers that connect the crossmember 22 to the frame 12.
  • a pivot for the pivoting movement can also lie outside the frame 12.
  • the pivot point is then determined by an intersection of the lever extensions. It is also proposed to specify the pivoting movement of the frame 12 by means of control cams or guide rails.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Rotary Presses (AREA)
  • Advancing Webs (AREA)
EP90108371A 1989-05-09 1990-05-03 Einrichtung zum Ausrichten einer intermittierend transportierten Warenbahn Expired - Lifetime EP0397030B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3915056A DE3915056A1 (de) 1989-05-09 1989-05-09 Einrichtung zum ausrichten einer intermittierend transportierten warenbahn
DE3915056 1989-05-09

Publications (3)

Publication Number Publication Date
EP0397030A2 EP0397030A2 (de) 1990-11-14
EP0397030A3 EP0397030A3 (de) 1991-08-21
EP0397030B1 true EP0397030B1 (de) 1994-08-03

Family

ID=6380275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90108371A Expired - Lifetime EP0397030B1 (de) 1989-05-09 1990-05-03 Einrichtung zum Ausrichten einer intermittierend transportierten Warenbahn

Country Status (7)

Country Link
US (1) US5074450A (cs)
EP (1) EP0397030B1 (cs)
JP (1) JPH07100559B2 (cs)
CS (1) CS227390A2 (cs)
DD (1) DD294231A5 (cs)
DE (2) DE3915056A1 (cs)
RU (1) RU1774932C (cs)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9007323D0 (en) * 1990-03-31 1990-05-30 Sumitomo Rubber Ind A method and apparatus for displacing a continuous flat sheet of material
US5251553A (en) * 1990-06-01 1993-10-12 Maschinenfabrik J. Dieffenbacher Gmbh & Co. Device for guiding steel bands
US5182986A (en) * 1990-06-01 1993-02-02 Maschinenfabrik J. Dieffenbacher Gmbh & Co. Method for realigning steel bands with respect to a longitudinal axis of a continuously working press
US5174096A (en) * 1990-10-05 1992-12-29 Ishida Scales Mfg. Co., Ltd. Form-fill-seal type packaging machine
JP2737492B2 (ja) * 1991-11-14 1998-04-08 日本電気株式会社 熱転写記録装置
US5419509A (en) * 1993-05-12 1995-05-30 Krayenhagen; Everett D. Web tensioning device for automatic cross-machine tensioning of continuous webs
US5397289A (en) * 1993-09-28 1995-03-14 Eastman Kodak Company Gimballed roller for web material
US6018687A (en) * 1997-02-07 2000-01-25 Quad/Tech, Inc. Method and apparatus for printing cutoff control using prepress data
US6361228B1 (en) 1999-05-27 2002-03-26 Printronix, Inc. Thermal printer with improved ribbon transport
DE19960649B4 (de) 1999-12-16 2011-06-22 Goss Contiweb B.V. Vorrichtung zur Korrektur der lateralen Position einer Bedruckstoffbahn in einer Rollenrotationsdruckmaschine
US6554223B1 (en) 2000-04-04 2003-04-29 The Procter & Gamble Company Apparatus and a method for aligning a web
DE10022926C2 (de) * 2000-05-11 2002-04-11 Erhardt & Leimer Gmbh Vorrichtung zum Verschwenken eines Drehrahmens
DE10305802A1 (de) * 2003-02-12 2004-08-26 Voith Paper Patent Gmbh Verfahren und Wickelmaschine zum Aufwickeln einer laufenden Materialbahn
US7303066B2 (en) * 2004-02-27 2007-12-04 Accuweb, Inc. Steering guide
DE102006012972B4 (de) * 2006-03-21 2008-02-28 Texmag Gmbh Vertriebsgesellschaft Gmbh Vorrichtung zur Regelung des seitlichen Versatzes von Materialbahnen
JP5849511B2 (ja) * 2011-08-11 2016-01-27 セイコーエプソン株式会社 搬送装置および印刷装置
US11066263B2 (en) 2014-12-09 2021-07-20 Ricoh Company, Ltd. Sheet conveying device and image forming apparatus incorporating the sheet conveying device
US9776819B2 (en) 2014-12-09 2017-10-03 Ricoh Company, Ltd. Sheet conveying device and image forming apparatus incorporating the sheet conveying device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989265A (en) * 1960-05-31 1961-06-20 Ampex Tape guiding system
US3207018A (en) * 1963-08-19 1965-09-21 Cutler Hammer Inc Jam sensing mechanism for a bottom wrap inserting machine
US3244340A (en) * 1963-09-30 1966-04-05 Fife Mfg Company Inc Apparatus for maintaining the alignment of a moving web
US3602191A (en) * 1969-07-17 1971-08-31 Westinghouse Electric Corp Web guiding apparatus
US3664561A (en) * 1969-11-26 1972-05-23 Fife Corp Web guiding device
US3693855A (en) * 1971-08-25 1972-09-26 Rockford Servo Corp Web guide apparatus
US3857525A (en) * 1973-04-20 1974-12-31 Gerber Scientific Instr Co Plotting system
DE2365668C3 (de) * 1973-08-27 1979-10-25 Juergen 1000 Berlin Schulz Vorrichtung zur Verarbeitung bahnförmigen Materials mit einem Rotationsdruckwerk
US4453659A (en) * 1982-06-28 1984-06-12 Eastman Kodak Company Web guiding apparatus
JPS59167443A (ja) * 1983-03-14 1984-09-20 Konishiroku Photo Ind Co Ltd 可撓性帯状物のル−プ搬送装置
JPS61203059A (ja) * 1985-03-01 1986-09-08 Mitsubishi Heavy Ind Ltd 帯板蛇行修正装置
US4901903A (en) * 1986-08-26 1990-02-20 Eastman Kodak Company Web guiding apparatus
JPH0750365Y2 (ja) * 1987-03-30 1995-11-15 株式会社ニレコ ガイドロール機構
JP2511304Y2 (ja) * 1988-12-19 1996-09-25 ミノルタ株式会社 熱転写プリンタ

Also Published As

Publication number Publication date
JPH02310242A (ja) 1990-12-26
EP0397030A2 (de) 1990-11-14
DD294231A5 (de) 1991-09-26
DE59006666D1 (de) 1994-09-08
RU1774932C (ru) 1992-11-07
US5074450A (en) 1991-12-24
JPH07100559B2 (ja) 1995-11-01
DE3915056A1 (de) 1990-11-15
CS227390A2 (en) 1991-08-13
EP0397030A3 (de) 1991-08-21

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