EP1494946A2 - Dispositif pour orienter des feuilles et procede pour orienter des feuilles transversalement au sens de defilement des feuilles - Google Patents

Dispositif pour orienter des feuilles et procede pour orienter des feuilles transversalement au sens de defilement des feuilles

Info

Publication number
EP1494946A2
EP1494946A2 EP03722206A EP03722206A EP1494946A2 EP 1494946 A2 EP1494946 A2 EP 1494946A2 EP 03722206 A EP03722206 A EP 03722206A EP 03722206 A EP03722206 A EP 03722206A EP 1494946 A2 EP1494946 A2 EP 1494946A2
Authority
EP
European Patent Office
Prior art keywords
sheet
suction
sheets
suction roller
running direction
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
EP03722206A
Other languages
German (de)
English (en)
Other versions
EP1494946B1 (fr
Inventor
Hans-Bernhard BOLZA-SCHÜNEMANN
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
Priority to EP04104432A priority Critical patent/EP1493698B2/fr
Publication of EP1494946A2 publication Critical patent/EP1494946A2/fr
Application granted granted Critical
Publication of EP1494946B1 publication Critical patent/EP1494946B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/105—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using suction means
    • 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
    • B65H2406/33—Rotary suction means, e.g. roller, cylinder or drum

Definitions

  • the invention relates to devices for aligning sheets and a method for aligning sheets transversely to the sheet running direction according to the preamble of claims 1, 2, 4, 5, 7 or 29.
  • Draw marks are known in various designs, which draw each sheet against a fixed stop - the actual side mark - predominantly with static friction. Once there, the sheet can stop immediately because the delicately pulled pulling mechanism continues to pull on the sheet, but the static friction immediately changes to sliding friction.
  • suction pulling marks only act on the sheet from below without a clamping effect. They allow you to work in a covered state from the previous end of the sheet and thus higher sheet output per hour than pinch marks. It is disadvantageous, however, that the third subsequent sheet, which is fed under the sheet to be aligned in the shingled stream, must not yet reach the working drawing sheet even with suction drawing marks - as with clamping drawing marks - because it does not get between the suctioned second sheet and suction mouthpiece. He can only do this when the suction mark is not working, ie is "open" for sheets moving in from below.
  • DE 33 02 873 C2 discloses a suction gripper which acts from above and is raised in order to further convey a following sheet under the sheet to be straightened.
  • DE 11 10 656 B shows a back and forth swiveling suction segment for the lateral alignment of sheets.
  • the invention has for its object to provide devices for aligning sheets and a method for aligning sheets transverse to the direction of sheet travel.
  • the new "suction draw marks from above" enable the sheets to run on the feed table to the front marks in a very narrow scale distance, that is to say much more slowly, and reach them at an earlier point in time, because the sheets no longer have an entry barrier.
  • the draw mark line is always free because there is no clamping effect down to the feed table.
  • suction draw mark from above
  • suction draw mark can be combined with a known small lateral offset of the sheets entering the printing press. Then the suction draw mark can also work from above if the sheet end of the preceding sheet still covers the drawing mark line and at the same time a subsequent one. This means that, in a new way, there are not two but three sheets at the same time in the draw mark area, which explains why, despite the significantly higher machine speed, the same or longer sheet alignment times are available from above due to the suction draw marks.
  • Figure 1 shows the left corner of the feed table from above.
  • Fig. 2 section suction mark with feed table
  • Fig. 4 path / time diagram of the sheet feed with classic draw mark
  • Fig. 5 path / time diagram of the sheet feed with the page mark according to the invention.
  • Fig. 1 there are several front marks 02 on a feed table 01, which open downwards.
  • side marks 03 with cover marks 04.
  • the cover marks 04 lie under a suction roller 05 in their grooves.
  • the suction roller 05 has two opposite rows of suction holes 06, of which the upper row is visible.
  • the suction roller axis stubs rotate in two bearing arms 07 which are fastened to the feed table 01 in an adjustable manner outside of the paper format.
  • Suction air is guided through a hose 09 into the suction roller 05 and is guided from the inside to the suction tube wall with a slot mouthpiece 22 which is only visible in FIG. 2.
  • the suction roll axis is parallel to the sheet running direction L and in the vicinity of the sheet side edge to be aligned.
  • the suction roller 05 is driven via a toothed belt wheel 14, a toothed belt 15 and a pinion 16 of a single-speed shaft in the sheet feeder or in the printing press or, for example, via its own speed-controlled and / or position-controlled electric drive by means of an electronic shaft.
  • the suction roller 05 runs according to FIGS. 1 to 3 at half speed with the two rows of suction air holes, that is to say the suction roller 05 is arranged in such a way that it per sheet 10 to be aligned; 11; 12 makes a half turn.
  • the suction roller 05 has a favorable diameter between 50 and 60 mm. It can also be different, e.g. B. three-speed, be constructed.
  • Fig. 1 shows a running out into the printing press first sheet 10 via front marks 02, which after page alignment on side marks 03 with a conventional sheet feeder, for. B. a transducer from below or by means of a suction / push conveyor from below lying in the front marks 02 and accelerated from the feed table 01.
  • the sheet feeder is offset axially, that is to say transversely to the sheet running direction L, by a constant amount A of z. B. 26 mm.
  • the narrow, z. B. 6 mm wide, suction slit exposed over its entire suction roll length from the side edge of the running first sheet 10.
  • Fig. 1 shows that the end of the sheet 10 has not yet left the suction roll area.
  • the side shift A enables the suction roller to actively pull the next second sheet 11, which is already in the front marks 02, to the left onto the side marks 03.
  • the sheet feed of this second sheet 11 can begin shortly, even if the end of the first sheet 10 still covers the front marks 02.
  • a third sheet 12 which has already arrived in the area of the suction roller 05, moves slowly in the direction of the front marks 02. Since it lies below the second sheet 11, which the suction roller 05 acting from above pulls straight onto the side marks 03, the suction roller 05 can do not yet suck in the third sheet 12. That only happens in the next period, when the second sheet 11 is shifted laterally by distance A - as now the first sheet 10 - runs out into the machine and exposes the suction slot in the suction roller 05 for the third sheet 12, etc. Hatched, a tolerance band 13 is drawn in from z. B. ⁇ 6 mm. With this maximum spread, the shingled individual sheets run from the sheet feeder on the feed table 01 into the front marks 02.
  • the active, narrow, but long suction channel of the suction roller 05 lying above the sheet flow is located below the center line of the suction roller 05 between the sheet inlet tolerance band 13 and Side edge of all outgoing sheet side edges offset by the amount A from the side marks 03. This is the strip labeled B.
  • the suction roller 05 catches all of the sheets 10 entering within the tolerance band 13; 11; 12 of the scale stream, but not the offset side edges of all emerging sheets 10; 11; 12th
  • the ratio of the effective holding surface in the longitudinal direction I05 to the effective holding surface in the transverse direction b05 should be greater than 3, preferably greater than 5.
  • the three sheets 10; 11; 12 are arranged between two straight lines 23, 24 which limit the length I05 of the effective holding surface of the holding device 05 and extend transversely to the sheet running direction.
  • Fig. 2 shows the suction roller 05 over the feed table / comb plate 01.
  • the first sheet 10 runs at a distance A, z. B. 26 mm, offset from the side mark 03 in the machine. It lies to the right of the center of the suction roll outside the suction air duct 22.
  • the second sheet 11 is drawn to the side mark 03 by one of the two raised suction air segments with suction holes 06.
  • cover marks or guide tongues 04 protrude over the side marks 03 in grooves up to about the middle under the suction roller 05.
  • the cover marks 04 prevent thin sheets 10; 11; 12 in the gusset between feed table 01, side mark 03 and suction roller 05 when abutting side marks 03 bulge.
  • the two active suction hole segments of the suction roller 05 lie opposite one another and are approximately 30 ° to 45 ° long with the suction roller 05 rotating at half speed, so that there is a long drawing time angle of approximately 90 ° and a drawing path of the suction roller 05 of approximately 20 mm.
  • the rotating suction roller 05 can take over the switching on and off of the suction air for side pulling itself. There are only suction air holes 06 in the two opposite 45 ° segments. Within the rotating suction roller 05 there is a stationary tube 21 as a suction air supply over the entire length of the suction roller 05. The tube 21 has a downward air protection 22 of z. B. 6 mm width over the length of the suction roller 05.
  • the suction roller 05 has suction holes 06 all around, rotates rhythmically or freely, and the suction air is supplied in a clocked manner via a slot-like mouthpiece 22 within the suction roller 05 and directed downward.
  • the suction roller 05 has a plurality of segments with suction holes 06 in the circumferential direction, each segment having a different sheet 10; 11; 12 sucks.
  • the suction roller 05 preferably has two segments in the circumferential direction.
  • the cover marks / guide tongues 04 are located at the bottom in the suction rollers, ie in the suction roller grooves, the suction slot 22 in the tube 21 is not milled through, which increases the stability of the suction tube 21.
  • the vacuum is switched extremely quickly, since it remains in tube 21 and only the air holes 06 near the mouthpiece have to be sucked empty.
  • the suction roller 05 the spaces between the two active suction segments 06 are set somewhat lower. This facilitates the staggered first sheet 10 running out into the machine undisturbed next to and parallel to the center of the suction roll Exit jetty 01.
  • the incoming third sheet 12 lies within the scale tolerance band 13 to the right of the side mark 03 and to the left of the center of the suction roller 05, that is to say in the suction area 22.
  • the third sheet 12 because covered by the first sheet 11, can not be sucked by the suction roller 05.
  • the third sheet 12 can therefore move undisturbed in the direction of the front marks 02 despite the working side-pull mark 03.
  • FIG. 3 illustrates a drive example of the suction roller 05 lying above the feed table 01, which is driven by the gearwheel 14, toothed belt 15 and drive wheel 16 at half speed.
  • In the bevel gear 31 there is a screwed-in key 32 which engages in a continuous groove 33 of a single-speed shaft 34 which rotates transversely under the system table 01.
  • this single-turn shaft 34 there is a coverable slot in the feed table 01 for the vertical bevel gear drive shaft 19 to pass through from below.
  • Fig. 4 shows a path / time diagram of the sheet feed with the classic ZM draw mark in position -150 mm from the zero line.
  • the abscissa describes the active time angle of a single-tour wave, e.g. B. a plate cylinder from 0 ° to 360 °, the ordinate Arch path in mm.
  • the first sheet on the left outside is at a 90 ° time angle, e.g. B. accelerated in parallel to the cylinder circumferential speed by means of a vibrating pre-gripper and leaves as a 45 ° angle - the front mark line is exactly the same as the abscissa.
  • Fig. 5 shows an improved path / time diagram with the side pull mark according to the invention, which pulls the sheet with suction only from above.
  • the beginning and end of the sheet move as in Fig. 4.
  • the second sheet meets the front marks much earlier, namely at 140 °, and has 120 ° contact time up to 260 ° when the drawing mark begins.
  • the scale spacing SL is only 180 mm because the third sheet does not have to wait for the drawing mark to open as in FIG. 4.
  • the third sheet 12 can undermine the working drawing mark and may therefore already be in the 120 mm long area of the drawing mark suction roll of 250 mm-130 mm - this allows the cheapest, because smaller scale spacing of only 180 mm.
  • the outgoing sheet end covers the working suction mark.
  • the outgoing sheet must be on the side, e.g. B. to be displaced by 26 mm in order to release the drawing mark in good time at 260 °.
  • FIG. 4 shows that the application times are 50% longer, namely for the front marks 120 ° instead of 80 ° and for the side pull value 90 ° instead of 60 °.
  • This is possible because not only the second sheet, but also the third sheet, can be located in the area between the drawing mark mechanism and front marks 02. At the same time, this allows an economically small scale spacing with lower speed and less risk of rebound when bumping into the front brands.
  • the invention is not restricted to the exemplary embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Pile Receivers (AREA)
  • Wire Processing (AREA)
  • Advancing Webs (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Liquid Crystal (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Abstract

L'invention concerne un dispositif pour orienter des feuilles transversalement au sens de défilement des feuilles. Dans ce dispositif, une unité de retenue, transportant une feuille, est placée de manière à déplacer une marque latérale vers la feuille et au moins deux feuilles sont superposées avec un certain décalage dans le sens de défilement des feuilles. Une surface de retenue active, plus longue dans le sens longitudinal que dans le sens transversal, s'étend dans le sens de défilement des feuilles, le rapport entre la longueur de la surface de retenue active dans le sens longitudinal et la largeur de la surface de retenue active dans le sens transversal étant supérieur à 3.
EP03722206A 2002-04-13 2003-02-28 Dispositif pour orienter des feuilles et procede pour orienter des feuilles transversalement au sens de defilement des feuilles Expired - Lifetime EP1494946B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04104432A EP1493698B2 (fr) 2002-04-13 2003-02-28 Dispositif pour aligner des feuilles transversalement au sens de défilement des feuilles

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10216355A DE10216355A1 (de) 2002-04-13 2002-04-13 Vorrichtung zum Ausrichten von Bogen und ein Verfahren
DE10216355 2002-04-13
PCT/DE2003/000672 WO2003086923A2 (fr) 2002-04-13 2003-02-28 Dispositif pour orienter des feuilles et procede pour orienter des feuilles transversalement au sens de defilement des feuilles

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP04104432A Division EP1493698B2 (fr) 2002-04-13 2003-02-28 Dispositif pour aligner des feuilles transversalement au sens de défilement des feuilles

Publications (2)

Publication Number Publication Date
EP1494946A2 true EP1494946A2 (fr) 2005-01-12
EP1494946B1 EP1494946B1 (fr) 2005-12-14

Family

ID=28798403

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04104432A Expired - Lifetime EP1493698B2 (fr) 2002-04-13 2003-02-28 Dispositif pour aligner des feuilles transversalement au sens de défilement des feuilles
EP03722206A Expired - Lifetime EP1494946B1 (fr) 2002-04-13 2003-02-28 Dispositif pour orienter des feuilles et procede pour orienter des feuilles transversalement au sens de defilement des feuilles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04104432A Expired - Lifetime EP1493698B2 (fr) 2002-04-13 2003-02-28 Dispositif pour aligner des feuilles transversalement au sens de défilement des feuilles

Country Status (8)

Country Link
US (1) US7357390B2 (fr)
EP (2) EP1493698B2 (fr)
JP (1) JP2005529039A (fr)
CN (1) CN1296262C (fr)
AT (2) ATE322444T1 (fr)
AU (1) AU2003229487A1 (fr)
DE (3) DE10216355A1 (fr)
WO (1) WO2003086923A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706029B1 (fr) * 2012-09-06 2019-01-16 Heidelberger Druckmaschinen AG Dispositif d'orientation de feuilles doté d'un support à bras articulé
DE102012216519B4 (de) 2012-09-17 2018-05-03 Koenig & Bauer Ag Vorrichtung und Verfahren zum Stapeln von Bogen
CN106927285B (zh) * 2017-03-30 2019-03-05 成都印钞有限公司 一种印刷机输纸质量检测装置
CN108501514B (zh) * 2018-03-30 2019-07-30 重庆川之舟印务设计有限公司 用于广告印刷的装置
EP3659467B1 (fr) * 2018-11-30 2021-09-08 Lufthansa Technik AG Dispositif réglable en hauteur

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US3178176A (en) * 1963-01-21 1965-04-13 Miehle Goss Dexter Inc Side registering mechanism
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JPS5814636B2 (ja) 1974-09-19 1983-03-19 ソニー株式会社 タイマ−ツキデンシドケイ
DD130320A2 (de) 1977-02-21 1978-03-22 Guenter Weisbach Verfahren und einrichtung zum ausrichten und zufuehren
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EP0017983B1 (fr) * 1979-04-20 1984-07-25 Kabushiki Kaisha Toshiba Appareil de transport de feuilles
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Also Published As

Publication number Publication date
ATE322444T1 (de) 2006-04-15
CN1646403A (zh) 2005-07-27
DE50302891D1 (de) 2006-05-18
WO2003086923A2 (fr) 2003-10-23
EP1494946B1 (fr) 2005-12-14
EP1493698B1 (fr) 2006-04-05
WO2003086923B1 (fr) 2004-04-29
US7357390B2 (en) 2008-04-15
WO2003086923A3 (fr) 2004-02-12
AU2003229487A1 (en) 2003-10-27
DE50301931D1 (de) 2006-01-19
US20050179196A1 (en) 2005-08-18
EP1493698A1 (fr) 2005-01-05
ATE312789T1 (de) 2005-12-15
DE10216355A1 (de) 2003-11-06
CN1296262C (zh) 2007-01-24
EP1493698B2 (fr) 2006-04-12
JP2005529039A (ja) 2005-09-29

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