WO2008050803A1 - Imprimante, et procédé de raccord du papier au niveau de l'alimentation en papier - Google Patents

Imprimante, et procédé de raccord du papier au niveau de l'alimentation en papier Download PDF

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Publication number
WO2008050803A1
WO2008050803A1 PCT/JP2007/070734 JP2007070734W WO2008050803A1 WO 2008050803 A1 WO2008050803 A1 WO 2008050803A1 JP 2007070734 W JP2007070734 W JP 2007070734W WO 2008050803 A1 WO2008050803 A1 WO 2008050803A1
Authority
WO
WIPO (PCT)
Prior art keywords
web
reel
paper
printing
old
Prior art date
Application number
PCT/JP2007/070734
Other languages
English (en)
Japanese (ja)
Inventor
Minoru Sato
Koji Nishiyama
Original Assignee
Mitsubishi Heavy Industries, Ltd.
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 Mitsubishi Heavy Industries, Ltd. filed Critical Mitsubishi Heavy Industries, Ltd.
Priority to EP07830468A priority Critical patent/EP2085343A4/fr
Priority to US12/445,957 priority patent/US20100187348A1/en
Publication of WO2008050803A1 publication Critical patent/WO2008050803A1/fr

Links

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
    • B65H19/20—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
    • 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
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the present invention relates to a printing machine including a paper feeding device that performs paper splicing while a web is running, and a paper splicing method using the paper feeding device.
  • a rotary press includes a paper feeding device that supplies a web (roll) with a web wound in a roll shape to a printing device (see, for example, Patent Document 1).
  • This paper feeder is configured to hold, for example, three webs.
  • the second web is ready for splicing and the three webs are loaded. Is done.
  • the web of one web is low, it is spliced to the web of the second web.
  • the first web is loaded and ready for splicing. In this way, the web is continuously fed from the paper feeding device to the printing device.
  • FIGS 5A and 5B are webs that have been tailored.
  • the web 100 has a tape-like sheet member 101 attached to the outer end.
  • the sheet member 101 has an adhesive layer formed on the front surface, and a tape-shaped bonding material 102 attached to the back surface. Due to the bonding material 102 adhering to the web 100, the web 100 is unwound at the standby time!
  • the running paper 105 of the old reel is attached to the adhesive layer of the sheet member 101 by a not-illustrated poster.
  • the bonding material 102 is broken and the sheet member 101 is peeled off from the web 100, so that the web 100 adheres to the traveling paper 105 and is continuously unwound.
  • the old reel is cut by the cutter provided in the paster, and the splicing is completed.
  • Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-155564
  • the present invention suppresses misregistration in the vertical direction caused by a paper splicing portion, and improves the printing quality and enables stable printing to perform splicing by a printing machine and a paper feeding device. It aims to provide a method.
  • the first aspect of the present invention includes a paper feeding device that attaches a web fed from an old reel to a new reel and continuously feeds paper while splicing from the old reel to the new reel.
  • the distance in the length direction of the overlap between the old reel and the new reel spliced by the paper feeder is the shortest distance between the drive rollers of the printing machine. Also provide a short printing press.
  • the second aspect of the present invention is a paper feeding device in which a web fed from an old reel is bonded to a new reel, and paper is fed continuously while splicing from the old reel to the new reel.
  • the distance force of the overlapping portion of the old reel and the new reel is a path through which the web passes before the web is cut.
  • a paper splicing method for cutting the old reel so that the length is shorter than the shortest distance between the driving rollers provided above.
  • the distance in the length direction (tail length) of the overlapping portion between the old reel and the new reel that are spliced is shorter than between the shortest drive rollers. Therefore, stable registration is possible in which the double web does not straddle the two drive rollers at the same time.
  • the driving roller include a blanket cylinder, an impression cylinder, a drag roller provided on a web path, a nibbing roller in a folding machine, and the like. Generally in the printing device It may be cut so that the tail length is shorter than the shortest distance between the specific blanket cylinders.
  • the apparatus includes a cutter that cuts the old reel spliced to the new reel, and a control unit that controls cutting timing of the cutter.
  • the control unit includes the old reel and the new reel.
  • the cutting timing of the cutter may be controlled so that the distance in the length direction of the overlapping portion with the reel is shorter than the shortest distance between drive rollers provided in the printing press.
  • control unit may determine the cutting timing of the cutter based on at least one of a cutter delay time, a tailoring length, and a cutter-brush distance.
  • control unit calculates the cutting timing by the cutter to obtain the target tail length using the cutter delay time, the tailoring length, and the cutter brush distance as parameters, and the cutter is controlled.
  • the distance in the length direction of the overlapping portion between the old reel and the new reel that are spliced is shorter than 1S between the shortest drive rollers, so that the double web straddles the two drive rollers simultaneously. Stable registration is possible without force S. Therefore, it is possible to improve the print quality. Furthermore, the cutting position can be stabilized and the web conveyance can be stabilized.
  • FIG. 1 is a schematic diagram showing a schematic configuration of a rotary press according to an embodiment of the present invention.
  • FIG. 2A is a schematic diagram showing an example of a paper splicing method and before entering the paper splicing procedure.
  • FIG. 2B is a schematic diagram showing an example of a paper splicing method and immediately before entering the paper splicing procedure.
  • FIG. 2C is a schematic diagram showing an example of a paper splicing method and showing an initial stage of the paper splicing procedure.
  • FIG. 2D is a schematic diagram showing an example of the paper splicing method and showing the middle stage of the paper splicing procedure.
  • FIG. 2E is a schematic diagram showing an example of a paper splicing method and showing the latter stage of the paper splicing procedure.
  • FIG. 2F is a schematic diagram showing an example of a paper splicing method and showing post-processing of the paper splicing procedure.
  • FIG. 3 is a perspective view showing a state of a web spliced web.
  • FIG. 4 is a block diagram for explaining cutter control by the rotary press control device.
  • FIG. 5A is a perspective view showing a paper roll tailoring processing structure of a web roll.
  • FIG. 5B is a cross-sectional view of the web tip portion of the web roll of FIG. 5A as viewed from the side.
  • FIG. 6A is a cross-sectional view illustrating an initial stage of a web roll paper splicing process.
  • FIG. 6B is a cross-sectional view illustrating the middle stage of the web splicing process.
  • FIG. 6C is a cross-sectional view illustrating the second half of the web splicing process.
  • FIG. 1 is a schematic diagram showing an overall schematic configuration of an offset newspaper rotary press equipped with a multi-page duplex printing-multicolor printing apparatus.
  • a plurality of paper feeding devices 1 that supply the web 7, an infeed device 2 that applies an appropriate tension to the web 7, a printing device 3, and the web 7 after printing are conveyed to the folding machine 6.
  • the web transfer device 5 for superimposing the webs 7 and aligning the printing direction in the flow direction, the folding machine 6 for cutting the web 7 and folding it out as a signature, and the rotary press for controlling the entire rotary press.
  • a control device (control unit) 9 is provided.
  • the paper feeding device 1 is configured to hold three webs each having a web 7 wound in a roll shape. When paper is fed from one roll, the second roll is ready for splicing and the third roll is loaded. When the remaining web 7 of the first web is reduced, the web 7 is spliced to the second web 7. While the web 7 is being fed from the second web, three webs are loaded and preparation for splicing is made. In this manner, the web 7 is continuously fed from the paper feeding device 1 to the printing device 3.
  • the infeed device 2 is provided with a dancer roller 21 for adjusting the tension and an infeed drag roller 22 for pulling out the web 7 from the paper feeding device 1.
  • Infeed Dragro The roller 22 is composed of a pair of rollers that sandwich the web 7.
  • the dancer roller 21 is rocked and held by an unillustrated actuator.
  • the actuator is an air cylinder
  • the air pressure is set according to various operating printing conditions, and the air cylinder air pressure is changed and adjusted in the event of problems such as the balance of each web not being adjusted when adjusting the cutting position.
  • the printing apparatus 3 is provided with the number of units corresponding to the number of printing colors.
  • printing devices 3a to 3d are provided as the printing device 3, and the printing devices 3a and 3b are provided with four printing units on both sides of the web, and print black, indigo, red and yellow in order from the bottom. Color printing is performed using these mixed colors.
  • the printing devices 3c and 3d have two printing units and print black and single colors.
  • Printing is performed on the web 7 by printing units of four colors of black, indigo, red, and yellow.
  • printing on the web 7 means printing on the same area on the web 7 that flows continuously. In this way, each color is superimposed on the same area to form one picture, and multicolor printing related to the one picture is possible.
  • Each of the printing units A to D constituting the printing apparatus 3a is provided with various types of rollers such as a blanket cylinder 24 and a plate cylinder 23, and these various apparatuses are provided with a common motor. Power is supplied. An inking device and a fountain solution device (not shown) are provided around the plate cylinder 23! /.
  • printing apparatuses 3 are examples, and appropriate printing apparatuses such as a single-color printing apparatus that performs single-sided printing on both sides and a printing apparatus that performs two-color printing on one side, four colors, and the like can be used.
  • the printing device 3 performs predetermined printing on the web 7 supplied from the paper feeding device 1! / And supplies it to the web transport device 5.
  • the web conveyance device 5 includes a large number of turn bars 51, and is configured to change the travel route of the web 7 from the printing device 3 and change the overlapping order.
  • the width of the web 7 is usually 4 pages of a newspaper, and the one shown in the figure is the center of the width direction after printing is cut with a slitter. I try to overlap. In this way, the web 7 in the folding machine overlaps 8 sheets, and prints 32 pages printed with 8 sheets of 4 pages of newspaper on both sides of 2 pages wide.
  • the folding machine is configured to discharge on one side.
  • the folding machine 6 superimposes a plurality of webs 7 sent from the web conveying device 5 and vertically cuts them, vertically folds them with a triangular plate 26, and further cuts and folds them in a desired manner. It is configured to discharge as a signature.
  • An air blow device (not shown) is provided in the vicinity of the triangular plate 26, and the web 7 is separated from the triangular plate 26 by blowing air.
  • an on-folder drag roller 27 for applying tension to the upstream web 7 is provided in front of the triangular plate 26, an on-folder drag roller 27 for applying tension to the upstream web 7 is provided.
  • a nibbing roller 28 for pulling the web 7 downstream is provided inside the folder 6.
  • the length of the web 7 from the printing device 3 to the folding machine 6 may vary depending on the operation pattern. Further, when the tension related to the web 7 fluctuates, the stretch of the web 7 changes, so the length of the web 7 from the printing device 3 to the folding machine 6 changes.
  • the rotary press of this embodiment includes a compensator roller 53 that adjusts the cutting position by changing the travel path length of the web 7.
  • the compensator roller 53 is provided with a moving means 52 for moving the compensator roller 53, a supporting means, and a position detecting device such as a potentiometer.
  • FIGS. 2A to 2F are schematic diagrams sequentially showing the paper splicing procedure in this method.
  • This method uses a flying paster that performs splicing while running the reel.
  • a flying paster that performs splicing while running the reel.
  • a removable motor 12 is provided as a means to accelerate the new reel 10B.
  • a removable motor 12 is provided as a means for controlling the amount of web fed from the old reel 10A by braking the rotation of the old reel 10A.
  • an air brake 13 is provided which restrains and brakes the reel shaft by air pressure. The braking force of the air brake 13 is controlled by an air output from an air converter (not shown).
  • the air converter converts the control output from the rotary press control device 9 into an air output. Further, the rotary press control device 9 outputs a control output corresponding to an operating condition such as a winding diameter by feedback control based on a deviation between the target tension and the actual tension.
  • the web 7 is fed out from the reel 10A, and as shown in FIG. 2B, when the winding diameter of the reel 10A that is feeding out the web becomes small, the web 7 is fed as shown in FIG. 2C. Then, the arm 15 supporting the new reel 10B and the old reel 1 OA is turned to the predetermined splicing preparation position. At the same time, the paster arm 16 is lowered, and the paster roller 17 provided rotatably on the paster arm 16 is pressed against the web 7.
  • the acceleration roller 11 is connected to the reel shaft of the new reel 10B, the new reel 10B is accelerated by the motor 12, and the peripheral speed of the new reel 10B is determined based on the line speed (running speed of the web 7). The speed is controlled to match the target speed.
  • the web 7 is pressed against the new reel 10B by the paster roller 17 and the web is formed by double-sided tape (described later) tailored to the surface of the new reel 10B. Glue 7 to the new reel 10B (pasta).
  • the cutter 18 provided on the pace term 16 is operated to cut the upstream side of the bonded portion of the web 7 as shown in FIG. 2D, and the web 7 is separated from the old reel 10A.
  • the motor 12 that was driving the new reel 10B is disconnected, and air is sent to the air brake 13 at the reel shaft end of the new reel 10B to start torque control.
  • the arm 15 is turned and the new reel 10B is set to the operating position.
  • the remaining core of the old reel 1 OA is replaced with the new reel 1 OD.
  • FIG. 3 shows a state of the web 7 bonded with a double-sided tape.
  • the web 7B fed from the new reel 10B is spliced by the double-sided tape 19 to the web 7A fed from the old reel 1 OA which is the running paper.
  • the distance from the double-sided tape 19 to the cutting position by the cutter 18 was about 2400 mm in the past.
  • the cutter 18 The cutting timing is controlled by the rotary press control device 9 and the tail length L is cut to be a predetermined length or less.
  • the length of the tail length L is set to be shorter than the shortest distance between the drive rollers that convey the web 7 used in the apparatus system. Specifically, the distance between the blanket cylinders 2 and 4 of the printing device 3, the printing unit 3 drag roller 25 near the exit of the printing device 3, the triangular plate 26 located at the entrance of the folding machine 26, the upper drag roller 27 in front of the folding machine 27, and the inside of the folding machine 6 It is set to be shorter than the distance between the nibbing rollers 28.
  • the distance between the blanket cylinder 24 between the printing unit A on the most upstream side that performs black printing and the printing unit B that performs indigo printing of the printing apparatus 3a is the shortest (for example, 470 mm).
  • the cutting timing is controlled by the rotary press controller 9 by the cutter 18 so that the tail length L becomes shorter. More preferably, taking into account the response speed, maximum speed, error, and distance at which the splicing can be performed reliably, the sum of the margin L1 (for example 110 cm) and the cutter-brush distance L2 (for example 218 mm) is 323 mm. In consideration of the error, it is preferable to set it to 46 Omm or less, which is slightly shorter than the distance between the blanket cylinders 24 of printing unit A and printing unit B! /.
  • the rotary press control device 9 can change the tail length L based on the input parameters of tailoring length, cutter delay time, and cutter'brush distance L2.
  • the cutter 18 can be controlled. These parameters are input by the user, and the tail length L can be changed as appropriate.
  • the cutter 18 of the paster arm 16 is timing-controlled by the rotary press control device 9 and cut so that the tail length L is equal to or less than a predetermined length. Is done. Therefore, in this embodiment, the tail length L is shorter than the distance between the blanket cylinders 24 of the printing apparatus 3 and the printing unit B, which are between the shortest drive rollers. Do not straddle 24 at the same time. Needless to say, the two drive rolls (the blanket cylinder 24, the printing unit drag roller 25, the folding roller 27 on the folding machine 27, and the nibbing roller 28) are not simultaneously straddled.
  • the printing apparatus 3 can achieve stable registration and improve the printing quality.
  • stabilization of the cutting position, stabilization of web conveyance, and the like can be realized.
  • the driving roller mentioned in the present embodiment is an example.
  • the blanket cylinder and the impression cylinder face each other and the web passes between them, the impression cylinder also becomes the driving roller.
  • the present invention can be applied to a printing press having drive rollers of different configurations.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Rotary Presses (AREA)

Abstract

La présente invention concerne une imprimante et un procédé de raccordement du papier pour une alimentation en papier permettant, d'une part de supprimer les défauts d'alignement vertical imputables à un raccord de papier, et d'autre part de donner une meilleure qualité d'impression et une impression stable. Le procédé utilise une imprimante comportant une alimentation en papier (1) conçue pour faire adhérer la bande (7) débitée d'une vieille bobine (10A) sur une nouvelle bobine en rotation (10B), et pour alimenter le papier en continu tout en exécutant le raccord de papier depuis la vieille bobine (10A) vers la nouvelle bobine (10B). La longueur du chevauchement (longueur L de fin de bande) entre la vieille bobine (10A) et la nouvelle bobine (10B), pour laquelle l'alimentation en papier (1) exécute le raccord, est inférieure à la plus courte distance entre les galets d'entraînement dont dispose l'imprimante. De la même façon que la distance entre les galets d'entraînement est spécifiquement celle entre les cylindres à blanchets (24) de l'imprimante (3).
PCT/JP2007/070734 2006-10-25 2007-10-24 Imprimante, et procédé de raccord du papier au niveau de l'alimentation en papier WO2008050803A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07830468A EP2085343A4 (fr) 2006-10-25 2007-10-24 Imprimante, et procédé de raccord du papier au niveau de l'alimentation en papier
US12/445,957 US20100187348A1 (en) 2006-10-25 2007-10-24 Printing press and paper-splicing method for reel stand unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006290441A JP2008105808A (ja) 2006-10-25 2006-10-25 印刷機および給紙装置による紙継ぎ方法
JP2006-290441 2006-10-25

Publications (1)

Publication Number Publication Date
WO2008050803A1 true WO2008050803A1 (fr) 2008-05-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/070734 WO2008050803A1 (fr) 2006-10-25 2007-10-24 Imprimante, et procédé de raccord du papier au niveau de l'alimentation en papier

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Country Link
US (1) US20100187348A1 (fr)
EP (1) EP2085343A4 (fr)
JP (1) JP2008105808A (fr)
WO (1) WO2008050803A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5535223B2 (ja) * 2009-09-09 2014-07-02 栄冠商事株式会社 消防ホース巻き取り装置およびそれを用いた消防ホース巻き取り方法
JP5990633B1 (ja) * 2015-08-28 2016-09-14 ユニ・チャーム株式会社 吸収性物品に係るシート状部材の製造方法、及び製造装置
JP6051349B1 (ja) * 2016-02-29 2016-12-27 ユニ・チャーム株式会社 吸収性物品の製造方法、及び製造装置
JP6043896B1 (ja) * 2016-02-29 2016-12-14 ユニ・チャーム株式会社 吸収性物品に係る資材供給装置、及び資材供給方法
JP6687981B2 (ja) * 2017-01-18 2020-04-28 東芝三菱電機産業システム株式会社 制御タイミング補正装置
JP7407081B2 (ja) 2020-07-20 2023-12-28 三菱重工機械システム株式会社 印刷機および印刷機の後片付け方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH05286615A (ja) * 1992-04-16 1993-11-02 Nireco Corp オートペースタ制御装置
JP2002502787A (ja) * 1998-02-05 2002-01-29 ヴィッツ マシーネンバウ ゲゼルシャフト ミット ベシュレンクテル ハフツング フライング式のロール交換に続いてスリップ部を短くする方法および装置
JP2004155564A (ja) 2002-11-07 2004-06-03 Mitsubishi Heavy Ind Ltd 輪転機の給紙装置
JP2005298162A (ja) * 2004-04-13 2005-10-27 Daio Paper Corp スプライス装置及びスプライス方法

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Publication number Priority date Publication date Assignee Title
DE2230371A1 (de) * 1971-06-24 1972-12-28 Hamada Printing Press Automatische Papierrollen-Anklebevorrichtung
US5849123A (en) * 1995-12-20 1998-12-15 Eastman Kodak Company Apparatus and method for aligning webs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05286615A (ja) * 1992-04-16 1993-11-02 Nireco Corp オートペースタ制御装置
JP2002502787A (ja) * 1998-02-05 2002-01-29 ヴィッツ マシーネンバウ ゲゼルシャフト ミット ベシュレンクテル ハフツング フライング式のロール交換に続いてスリップ部を短くする方法および装置
JP2004155564A (ja) 2002-11-07 2004-06-03 Mitsubishi Heavy Ind Ltd 輪転機の給紙装置
JP2005298162A (ja) * 2004-04-13 2005-10-27 Daio Paper Corp スプライス装置及びスプライス方法

Non-Patent Citations (1)

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Title
See also references of EP2085343A4

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US20100187348A1 (en) 2010-07-29
JP2008105808A (ja) 2008-05-08
EP2085343A4 (fr) 2009-12-09
EP2085343A1 (fr) 2009-08-05

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