EP0018291A1 - Auf unterschiedliche Formate einstellbare Druckmaschine - Google Patents

Auf unterschiedliche Formate einstellbare Druckmaschine Download PDF

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Publication number
EP0018291A1
EP0018291A1 EP80400528A EP80400528A EP0018291A1 EP 0018291 A1 EP0018291 A1 EP 0018291A1 EP 80400528 A EP80400528 A EP 80400528A EP 80400528 A EP80400528 A EP 80400528A EP 0018291 A1 EP0018291 A1 EP 0018291A1
Authority
EP
European Patent Office
Prior art keywords
speed
printing
web
call
cycle
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
EP80400528A
Other languages
English (en)
French (fr)
Other versions
EP0018291B1 (de
Inventor
Eric Tison
Paul Herve
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.)
ETS DESTOUCHE
CODIMAG
Original Assignee
ETS DESTOUCHE
CODIMAG
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 ETS DESTOUCHE, CODIMAG filed Critical ETS DESTOUCHE
Priority to AT80400528T priority Critical patent/ATE3763T1/de
Publication of EP0018291A1 publication Critical patent/EP0018291A1/de
Application granted granted Critical
Publication of EP0018291B1 publication Critical patent/EP0018291B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • B41F13/04—Conveying or guiding webs through presses or machines intermittently

Definitions

  • the invention relates to a method for controlling the printing format of a web supplying a voltage-free printing machine with a rotary printing cylinder, this machine operating in successive cycles, each cycle being defined by a rotation of the printing cylinder. and having a printing range from the nap- pe in said format.
  • the object of the invention is to allow an easy change of the format, that is to say of the length of the web which passes at each cycle.
  • the web is advanced during each cycle, alternately at the printing speed during printing and at a call speed at most equal to the printing speed, absorbing by a recall of the tablecloth to the rear the excess length provided by the printing speed on the calling speed if the latter is lower than the printing speed, without stopping the tablecloth between scrolling at the speed of call and scroll at print speed.
  • the invention applies to all printing processes (letterpress, dry offset, wet offset, heliographic) and it allows the use of paper in sheets of a wide variety of grammages and quality.
  • the invention also relates to devices for implementing the method of the invention.
  • the device shown in Figures 1 to 6 comprises a printing machine 1 shown schematically by a printing cylinder 2 having a printing surface 3 which is assumed for example to cover three quarters of the surface of the cylinder and by a back-pressure cylinder 17.
  • the printing cylinder acts on the web 4 when there is contact between this web and the printing surface, due to the pinching of the web between the printing surface 3 and a counterpart surface 18 of the cylinder. 17.
  • the device shown comprises, downstream of the printing machine, in the direction of travel of the web shown by arrow 5, a device 6 for pulling the web in the direction of arrow 5 at a speed equal to the speed d printing and a device 7 for pulling the sheet in the direction of the arrow 5 at a calling speed.
  • the device also includes, upstream of the machine 1, a return device 8 for returning the sheet in the opposite direction to the normal direction of travel 5.
  • the device 6 is designed to drive the web in synchronism with the printing, that is to say that the start and the end of this training coincide with the beginning and the end of the printing and that the driving speed coincides with the tangential speed of the printing cylinder, a speed which has been called "printing speed”.
  • the device 6 is constituted for example by a cam whose surface has the same shape and the same angular extent as the printing surface, this cam being driven in rotation at the same speed as the printing cylinder, the angular positions of this cam and the printing surface being identical to obtain the desired coincidences of the contacts with the web.
  • this cam is shown diagrammatically by a sector 9 of a circle.
  • the device 7 is designed to drive the web at a chosen speed, called the "calling speed" which is at most equal to the printing speed.
  • This device comprises, in a preferred embodiment, a crown 10 provided with pins 11 able to mesh in perforations staggered along the ply (for example so-called “Caroll” perforations) this crown being mounted idle coaxially with a rotor 12 which rotates in permanence at speed. to appeal and which is provided with a stop 13 suitable for coming into contact with a stop 14 of the ring to cause the latter to the take-up speed.
  • cam 9 and the pin crown 10 are located opposite as shown, but in alternative embodiments, they are offset, the cam being downstream of the crown.
  • the device 8 is designed to permanently exert a certain tension on the sheet and to recall the sheet 4 backwards after each printing, when necessary, i.e. if the printing speed is higher than the calling speed.
  • This device 8 comprises a rotor 16 with peripheral balls 19 and a rotor 20 with cam 21 cooperating.
  • the ply is normally tensioned by friction between the balls 19 and the surface of the rotor 20 but when the cam 21 which is projecting passes in contact with the ply, the friction becomes sufficient to exert a backward return on the ply.
  • the cam 21 is synchronized with the printing surface so that the start of the return contact of the web by this cam coincides with the end of the print contact of the printing surface 2 with the web.
  • FIG. 2 shows the start of the cycle.
  • the tablecloth is free except that it is engaged with the pin ring 10 whose stop 14 is driven by the stop 13 of the rotor 12 at the call speed: the tablecloth therefore advances at this speed in the direction of arrow 5, the return by cam 21 having ended.
  • the next phase is a printing phase during which the printing surface is in printing contact with the web and during which the web is pulled forward by the cam 9.
  • This pulling takes place at a speed greater than the speed of the call, it is no longer the sprocket crown which can cause the tablecloth, but on the contrary it is the tablecloth which imposes its speed which is then the printing speed on the spike crown, the stop 14 of which advances in relation to the stop 13 of the rotor 12 which rotates at the call speed lower than the print speed:
  • FIG. 4 diagrams this phase and it can be seen that there is an angular difference between the stops 13 and 14.
  • the rotor 12 can again drive the web at the call speed through the pivot crown, until the printing surface is in contact with the web while the second cycle has already started.
  • Figure 1 the diagram of the control of the various rotary members from a common power take-off.
  • a gear (not shown) between the cylinders 2 and 17 so that they rotate in opposite directions.
  • the printing cylinder is a driving cylinder which rotates in the direction of arrow 22
  • drive connections are made between this cylinder and the rotors 9 and 20 so that the cams 9 and 21 rotate like the engine cylinder.
  • the counterpressure cylinder 17 rotates in the opposite direction 23 and a drive link is established comprising a pinion 21 between the cylinder 17 and the rotor 12 so that the rotor rotates in the same direction as the cylinder 17 but with a speed which depends on the choice of pinion.
  • the drive links are shown diagrammatically by broken lines.
  • the variation of the paper format is obtained by changing a control pinion controlling the call of the paper, in this case the tractor with pins 10.
  • FIG. 6 represents a case of reduction of the format.
  • the contact time in the cycle will be reduced to approach the print format (this one this may also be different from the size of the print),
  • Example: the height of the print can be equal to or less than the height of the format 1, 2, 3, 4, 5, 6, .... inches for a 10 inch paper size.
  • the adjustment of the counterpart with respect to the upper part limits the loop of the paper downstream and thereby reduces the length of paper to be caught up during free time. In addition, it increases the free time per cycle, which compensates for the growth in speed differences minus ⁇ plus, plus ⁇ minus, when the format decreases leaving a longer catch-up time.
  • the opening in the cylinders 2 and 17 is calculated so that their respective adjustment can pass from the maximum contact surface to a minimum contact surface of half the maximum contact.
  • the format variation corresponds to the choice of the gearbox module which controls the advance of the paper. If a tooth of the format pinion corresponds to 1/6 of an inch, the variation of format may take place every 1/6 of an inch.
  • the adjustments make it possible to reduce or increase the contact surface of the web and therefore make it possible to maintain a practically constant backward flow of the paper web.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Labeling Devices (AREA)
  • Record Information Processing For Printing (AREA)
EP80400528A 1979-04-18 1980-04-18 Auf unterschiedliche Formate einstellbare Druckmaschine Expired EP0018291B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400528T ATE3763T1 (de) 1979-04-18 1980-04-18 Auf unterschiedliche formate einstellbare druckmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7909719A FR2454369A1 (fr) 1979-04-18 1979-04-18 Procede et dispositif pour commander le defilement d'une nappe dans une machine d'impression
FR7909719 1979-04-18

Publications (2)

Publication Number Publication Date
EP0018291A1 true EP0018291A1 (de) 1980-10-29
EP0018291B1 EP0018291B1 (de) 1983-06-15

Family

ID=9224414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400528A Expired EP0018291B1 (de) 1979-04-18 1980-04-18 Auf unterschiedliche Formate einstellbare Druckmaschine

Country Status (7)

Country Link
US (1) US4372206A (de)
EP (1) EP0018291B1 (de)
JP (1) JPS56500561A (de)
AT (1) ATE3763T1 (de)
DE (1) DE3063745D1 (de)
FR (1) FR2454369A1 (de)
WO (1) WO1980002258A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2049143A2 (es) * 1991-11-04 1994-04-01 Cremades Martinez Sistema y maquina de impresion multiple en continuo.
EP0649740A1 (de) * 1993-09-17 1995-04-26 De La Rue Giori S.A. Druckwerk für eine Rollendruckmaschine
US7017486B2 (en) 2003-03-14 2006-03-28 Werner Kammann Maschinenfabrik Gmbh Method and apparatus for printing a web
CN105015156A (zh) * 2015-07-22 2015-11-04 河北海贺胜利印刷机械集团有限公司 间歇式正向跳步印刷机及其控制方法和跳步牵引装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561175B1 (fr) * 1984-03-15 1986-10-24 Codimag Procede et dispositif d'impression a grand rendement
US4839814A (en) * 1985-01-29 1989-06-13 Moore Business Forms, Inc. Size independent modular web processing line and modules
US4716802A (en) * 1986-01-20 1988-01-05 Corfine Inc. Scrap reduction system for rotary die cutter
US4751879A (en) * 1987-03-18 1988-06-21 Van Pelt Equipment Corporation Method and apparatus for intermittently processing successive definite lengths of a continuous flexible web
US5115737A (en) * 1990-04-16 1992-05-26 Philip Morris Incorporated Hot rotary stamper apparatus and methods for metal leaf stamping
US5417360A (en) * 1993-09-28 1995-05-23 Moore Business Forms, Inc. Feeding of offset, collated forms
US7926688B2 (en) * 2005-08-23 2011-04-19 Durst Phototechnik Ag Tension-controlled web processing machine and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039236A (en) * 1935-01-02 1936-04-28 Meisel Press Mfg Company All size rotary web press
US2845021A (en) * 1955-03-28 1958-07-29 Bemis Bro Bag Co Web feed means for rotary printing press
FR2025390A1 (de) * 1968-12-05 1970-09-11 American Bank Note Co
FR2342849A2 (fr) * 1976-03-05 1977-09-30 Seailles Tison Atel Const Meca Dispositif a differentiel pour commander le defilement d'une nappe a imprimer dans une machine d'impression rotative

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420158A (en) * 1967-01-31 1969-01-07 Signode Corp Strap feed and tensioning mechanism
US3762322A (en) * 1972-05-04 1973-10-02 G Vines Printing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039236A (en) * 1935-01-02 1936-04-28 Meisel Press Mfg Company All size rotary web press
US2845021A (en) * 1955-03-28 1958-07-29 Bemis Bro Bag Co Web feed means for rotary printing press
FR2025390A1 (de) * 1968-12-05 1970-09-11 American Bank Note Co
FR2342849A2 (fr) * 1976-03-05 1977-09-30 Seailles Tison Atel Const Meca Dispositif a differentiel pour commander le defilement d'une nappe a imprimer dans une machine d'impression rotative

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2049143A2 (es) * 1991-11-04 1994-04-01 Cremades Martinez Sistema y maquina de impresion multiple en continuo.
EP0649740A1 (de) * 1993-09-17 1995-04-26 De La Rue Giori S.A. Druckwerk für eine Rollendruckmaschine
CN1051281C (zh) * 1993-09-17 2000-04-12 吉奥里街股份有限公司 用于卷筒纸印刷机的印刷部件
US7017486B2 (en) 2003-03-14 2006-03-28 Werner Kammann Maschinenfabrik Gmbh Method and apparatus for printing a web
CN105015156A (zh) * 2015-07-22 2015-11-04 河北海贺胜利印刷机械集团有限公司 间歇式正向跳步印刷机及其控制方法和跳步牵引装置

Also Published As

Publication number Publication date
US4372206A (en) 1983-02-08
DE3063745D1 (en) 1983-07-21
EP0018291B1 (de) 1983-06-15
JPS56500561A (de) 1981-04-30
FR2454369A1 (fr) 1980-11-14
ATE3763T1 (de) 1983-06-15
WO1980002258A1 (fr) 1980-10-30

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