EP1494946B1 - Device for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets - Google Patents

Device for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets Download PDF

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Publication number
EP1494946B1
EP1494946B1 EP03722206A EP03722206A EP1494946B1 EP 1494946 B1 EP1494946 B1 EP 1494946B1 EP 03722206 A EP03722206 A EP 03722206A EP 03722206 A EP03722206 A EP 03722206A EP 1494946 B1 EP1494946 B1 EP 1494946B1
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EP
European Patent Office
Prior art keywords
sheets
sheet
suction
suction roller
travel
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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
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EP03722206A
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German (de)
French (fr)
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EP1494946A2 (en
Inventor
Hans-Bernhard BOLZA-SCHÜNEMANN
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Koenig and Bauer AG
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Koenig and Bauer AG
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Priority to EP04104432A priority Critical patent/EP1493698B2/en
Publication of EP1494946A2 publication Critical patent/EP1494946A2/en
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Publication of EP1494946B1 publication Critical patent/EP1494946B1/en
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    • 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 a device for aligning sheets and a method for Aligning sheets transversely to the sheet running direction according to the preamble of the claims 1 or 13.
  • Saugziehmarken thus act without clamping effect only from below on the Bow. They allow working in covered condition from the previous one End of sheet and thus higher sheet rates per hour than Klemmziehmarken.
  • the disadvantage is that the third succeeding bow, which under the respective bow to be aligned is introduced in the scale flow, even with Saugziehmarken - as with Klemmziehmarken - not yet reach the working drag mark - because he does not come between the sucked second bow and suction mouthpiece.
  • DE 33 02 873 C2 discloses a top-acting suction pads, which raised is to continue to a next arc under the bow to be aligned promote.
  • DE 11 10 656 B shows a back and forth pivoting suction segment for lateral Aligning bows.
  • US 2 167 823 discloses a device for aligning sheets across the Sheet running direction, wherein a sheet transporting holding means the bow is arranged to move against a side mark and at least two sheets in Scarf direction are arranged one above the other, whereby an effective Holding surface extends in the sheet running direction, the longer in the longitudinal direction than in the transverse direction is and wherein the holding device is arranged from above acting on the arc. there three arches are arranged simultaneously in the region of the holding device.
  • DE 27 35 711 A1 shows a device for the lateral alignment of sheets by means a suction belt acting from below.
  • DE 27 11 554 A1 and DE 653 308 C each describe a device for Aligning a sheet that has a trailing end in the sheet travel direction already aligned sheet again transverse to the sheet travel direction of a page mark is moved away.
  • DE 198 22 307 A1 discloses a device for aligning sheets transversely to the Sheet running direction, wherein a transporting the sheet from below transport roller the Bow moved against a side mark, the per bow to be aligned 1 / N Turns around.
  • US 1 728 329 A discloses a device for laterally aligning sheets by known from above attacking rotating suction rolls.
  • the invention is based on the object, a device for aligning sheets and to provide a method for aligning sheets across the sheet travel direction.
  • the achievable with the present invention consist in particular that one of overhead side puller works without clamping action. This allows for the first time, the underrunning of the Ziehmarkenline by the following bow, while the drawing device an applied in the front lays sheet to the side pull a solid side edge stop.
  • the novel "Saugziehmarken from above” the Bow in very narrow scale distance, so much slower, on the Run to the leading brands and reach them in an earlier time, because there are no entry barriers for the bows.
  • the Ziehmarkenline is always free, because any clamping action is missing down to the feed table.
  • By earlier reaching the Front brands are significantly longer time angle for front and Side edge alignment available. This allows correspondingly higher Machine speeds, without the real alignment times in milliseconds shorter as usual.
  • Fig. 1 are located on a feed table 01 several leading brands 02, which are after open below.
  • the deck marks 04 are under a suction roll 05 in their grooves.
  • the suction roll 05 has two opposite rows of suction holes 06, of which the upper row is visible.
  • the Saugwalzenachsstummel rotate in two bearing arms 07 outside the Paper sizes are adjustable on the feed table 01 are attached.
  • Through a hose 09 Suction air is guided into the suction roller 05 and with a visible only in Fig. 2 Slot mouthpiece 22 is guided from the inside to the Saugrohrwandung.
  • the suction roll axis lies parallel to the sheet travel direction L and in the vicinity of the aligned Sheet side edge.
  • the drive of the suction roller 05 via a toothed belt wheel 14, a toothed belt 15 and a pinion 16 a Eintourenwelle in the sheet feeder or in the Printing press or for example on its own speed and / or position-controlled Electric drive by means of electronic shaft.
  • the suction roller 05 runs according to FIGS. 1 to 3 half-speed with the two Saugluftloch Herbertn around, d. H. the suction roll 05 is arranged so that it per sheet 10 to be aligned; 11; 12 half a turn.
  • the suction roller 05 has a cheap Diameter between 50 and 60 mm. You can also different, z. B. third-rate, be constructed.
  • the suction roller 05 is per sheet 10 to be aligned; 11; 12 1 / N turns arranged executing.
  • N 2, 3, 4, ..., ie an integer greater than 2.
  • Fig. 1 shows an expiring in the printing machine first sheet 10 via Front marks 02, which after side alignment on page marks 03 with a conventional sheet feeders, z. B. a vibrator from below or by means of suction conveyor detected from below in the leading edge 02 and accelerated from Feed table 01 is deducted.
  • the sheet feeder is offset axially, ie transversely to the sheet travel direction L, to an always constant amount A of z. B. 26 mm. Thereby is about lying below the central axis of the suction roll 05 narrow, z. B. 6 mm wide, suction slot over its entire suction roll length from the side edge of the expiring first sheet 10 exposed.
  • Fig. 1 shows that the end of the sheet 10 is not yet the suction roll area has left.
  • the side shift A allows the suction roll already actively the next second sheet 11, which is already in the leading 02, after pulled left on the page marks 03.
  • the sheet feeder of this second sheet 11 may start soon, even if the end of the first sheet 10 is the Front marks 02 still covered.
  • a third sheet 12 which has already arrived in the area of the suction roll 05, moves slowly in the direction of the leading edge 02. Since it is below the second sheet 11, the the suction roller 05 acting from above pulls straight to the side marks 03, the Suction roller 05 the third sheet 12 is not yet suck. This happens only in the next period, when the second sheet 11 laterally shifted by distance A - as well now the first sheet 10 - runs into the machine and the suction slot in suction roll 05 uncovered for the third sheet 12, etc. Hatched a tolerance band 13 is located from Z. B. ⁇ 6 mm. With this maximum scattering, the scaled lying run Sheet from the sheet feeder on the feed table 01 in the front 02.
  • the active narrow, but long suction channel of lying above the arc stream suction roll 05 is below the centerline of the suction roll 05 between the sheet entry tolerance band 13 and the side edge of all expiring and by the amount A of the Page marks 03 offset sheet side edges. This is the strip labeled B.
  • the suction roller 05 all caught within the tolerance band thirteenth incoming sheet 10; 11; 12 of the scale flow, but not the offset Side edges of all leading sheets 10; 11; 12th
  • the ratio of effective holding surface in the longitudinal direction 105 to the effective holding surface in transverse direction b05 should be greater than 3, preferably greater than 5.
  • the three sheets 10; 11; 12 are between two the length 105 of the effective holding surface the holding device 05 limiting, extending transversely to the sheet running direction
  • Straight lines 23, 24 are arranged.
  • FIG. 2 shows the suction roller 05 above the feed table / comb plate 01.
  • the first sheet 10th runs at a distance A, z. B. 26 mm, offset from the side mark 03, in the machine. He is located to the right of the Saugwalzenmitte outside the suction air duct 22nd
  • the second sheet 11 is supported by one of the two elevated Saug Kunststoffsegmente Suction holes 06 pulled to the side mark 03.
  • Several Deckmarken or Leitzungen 04 protrude over the side marks 03 in grooves to about the middle under the suction roll 05.
  • the cover marks 04 prevent thin sheets 10; 11; 12 in the gusset between Laying table 01, page mark 03 and suction roll 05 at impact on page marks 03 bulge.
  • the two active Sauglöchersegmente the suction roller 05 are opposite and are about 30 ° to 45 ° long at half-round circumferential suction roller 05, so that a long drawing time angle of about 90 ° and a pulling of the suction roll 05 of about 20 mm results.
  • the circulating suction roller 05 can the cyclical switching on and off of the suction air to take over for yourself. These are only suction holes 06 in the two opposite 45 ° segments.
  • Within the circulating suction roll 05 is a fixed pipe 21 as Saug Kunststoffzuschreib over the entire length of Suction roll 05.
  • the tube 21 has a downwardly directed air slot 22 of z. B. 6 mm Width over the length of the suction roll 05.
  • suction roller 05 has all around suction holes 06, rhythmically or circulates freely and the suction air clocked via a slot-like mouthpiece 22 within the suction roller 05 and directed downwards.
  • the suction roll 05 has several segments with suction holes 06 in the circumferential direction, each segment having a different sheet 10 to be aligned; 11; 12 sucks.
  • the suction roll 05 has two segments in the circumferential direction.
  • the cover marks / guide tongues 04 are located in the suction rolls at the bottom, d. H. at the Saugwalzennuten, the suction slot 22 is not milled through the tube 21, which increases the stability of the suction tube 21.
  • the vacuum is switched very fast, because it is retained in tube 21 and only the air holes 06 sucked empty near the mouth Need to become.
  • the gaps are among the two active ones Suction segments 06 placed a little lower. This makes it easier for the machine to run out staggered first sheet 10 undisturbed next to and parallel to the Saugwalzenmitte the Leaving the feed table 01.
  • the incoming third sheet 12 is within the scale tolerance band thirteenth right of the page mark 03 and to the left of the center of the suction roll 05, so in itself Suction area 22.
  • the third sheet 12 because of the first sheet 11 covers not from the Suction roller 05 are sucked.
  • the third sheet 12 can thus be undisturbed despite working side-pull mark 03 move further in the direction of front mark 02.
  • FIG. 3 illustrates a drive example of the overlying table 01 Suction roller 05, the half-speed of the gear 14, timing belt 15 and drive wheel 16 is driven.
  • Bevel gears 17; 18 above the feed table 01 are by a vertical Axle 19 with 2: 1 bevel gears 30; 31 connected under the feed table 01.
  • In the bevel gear 31 is a screwed key 32, which in a continuous groove 33rd a transversely under the investment table 01 rotating Eintourenwelle 34 engages.
  • This Eintourenwelle 34 is a coverable slot in the feed table 01 to Passage of the vertical bevel gear drive shaft 19 from below still above.
  • Fig. 4 shows a Weg- / time diagram of the sheet feeder with classic pull mark ZM in Position -150 mm from the zero line.
  • the abscissa describes the active time angle a one-way wave, z.
  • B. a plate cylinder from 0 ° to 360 °, the ordinate the Bow path in mm.
  • the first arc left outside is in the 90 ° time angle, z. B. by means of oscillating pregrippers, accelerated parallel to cylinder peripheral speed and leaves as 45 ° straight the leading line is abscissa.
  • Fig. 5 shows an improved path / time diagram with the invention Side pull mark, which pulls the sheet only with suction from above.
  • Bow starts and Bow ends move as in Fig. 4.
  • the second bow meets much earlier, namely at 140 °, to the front lays and has 120 ° contact time to 260 ° when the pull mark starts.
  • the scale spacing SL is only 180 mm, because the third bow is not open the drag mark as in Fig. 4 must wait.
  • the third sheet 12 can be the working one Pull under the heading and may therefore already in the 120 mm long range of Pull mark suction roller of 250 mm-130 mm are located - this allows the cheapest, because smaller scale distance of only 180 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Pile Receivers (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Wire Processing (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Advancing Webs (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)

Abstract

Device has a sheet-conveying retaining device (05) which is displaceably mounted for holding the sheet (10-12) against a side guide (03). At least two sheets are arranged one above the other in an offset manner in the direction of travel. An effective retaining surface extending in the direction of travel is longer in the longitudinal direction (105) than in the transverse direction. The ratio of the length of the effective retaining surface in the longitudinal direction to the width of the effective retaining surface in the transverse direction is greater than three. Independent claims are also included for the following: (1) Alternative devices for aligning sheets; and (2) Process for aligning sheets.

Description

Die Erfindung betrifft eine Vorrichtung zum Ausrichten von Bogen und ein Verfahren zum Ausrichten von Bogen quer zur Bogenlaufrichtung gemäß dem Oberbegriff der Ansprüche 1 oder 13.The invention relates to a device for aligning sheets and a method for Aligning sheets transversely to the sheet running direction according to the preamble of the claims 1 or 13.

Ziehmarken sind in verschiedenen Bauformen bekannt, die überwiegend mit Haftreibung jeden Bogen gegen einen festen Anschlag - die eigentliche Seitenmarke - ziehen. Dort angekommen, kann der Bogen sofort liegen bleiben, weil der zart angestellte Ziehmechanismus zwar am Bogen weiterzieht, die Haftreibung jedoch sofort auf Gleitreibung umspringt.Pull marks are known in various designs, mostly with static friction each sheet against a fixed stop - the actual page mark - pull. There arrived, the bow can lie down immediately because of the delicately employed Pulling mechanism moves on the arc, the static friction but immediately Sliding friction umspringt.

Es gibt angetriebene Ziehschienen, Ziehrollen oder Ziehsegmente im Bogen-Anlegetisch. Ist der Bogen in den Vordermarken angekommen, wird er von oben zuerst mit einer fein einstellbaren federbelasteten und taktmäßig auf- und abbewegten Rolle auf dem angetriebenen Teil der Ziehvorrichtung unter dem Bogen gedrückt. Der Ziehweg der Ziehmarke ist stets etwas größer als die Streubreite der einlaufenden Bogenschuppen plus einem Minimal-Ziehweg von einigen Millimetern bis zum fixen Seitenmarken-Anschlag. Letzterer ist je nach Bogenformat und gewünschter Seitenlage der einlaufenden Bogen in die Druckmaschine einstellbar am Anlegetisch oder am Kammblech befestigt.There are powered draw rails, draw rolls or pull segments in the sheet feed table. If the bow has arrived in the front lays, it is from the top first with a fine adjustable spring loaded and cyclically up and down moving roller on the driven part of the pulling device pressed under the arch. The drawing way of the Pull mark is always slightly larger than the spread of the incoming bow shed plus a minimum pulling distance of a few millimeters up to the fixed one Sidelays stop. The latter is depending on the sheet size and desired side position the incoming sheet in the printing press adjustable at the feed table or on Fastened comb plate.

Diese bekannten Ziehmarken haben den Nachteil, dass sie beim Ziehen den Bogen von oben und unten einklemmen. Deshalb muß nach beendetem Ziehvorgang die Ziehmarke so lange offen bleiben, bis jedes Bogenende die Ziehmarkenlinie passiert, d. h. freigegeben, hat. Erst dann kann der nachfolgende Bogen, der schon in den Vordermarken liegt, von der Ziehmarke gezogen werden. Und der jeweils dritte Bogen von dem einlaufenden Schuppenstrom muß noch soweit entfernt von Vordermarken und Ziehmarkenlinie sein, dass er die am zweiten Bogen arbeitende, d. h. geschlossene, Klemmziehmarke noch gar nicht erreicht hat.These known drag brands have the disadvantage that they pull the bow of pinch up and down. Therefore, when the drawing process has finished, the drawing mark remain open until each end of the bow passes the pull mark line, d. H. released, has. Only then can the following bow, already in the Leading marks lies, to be pulled by the Ziehmarke. And the third sheet each from the incoming scale flow must still far away from leading brands and Ziehmarkenlinie be that working on the second bow, d. H. closed Klemmziehmarke has not yet reached.

Für schnell laufende Bogen-Druckmaschinen ist es üblich, die Platten- und Gummizylinder möglichst klein zu halten. Dann sind Papierlaufgeschwindigkeiten, aber auch Herstellkosten kleiner. Die Bogenlänge kann häufig ¾ bis 5/6 des Plattenzylinderumfangs betragen, d. h. die Zylindergruben sind kurz und die Bogen folgen sehr eng aufeinander. Klemmziehmarken funktionieren nicht mehr, weil die langen Bogen die Ziehmarkenlinie zu spät für das Ziehen des nachfolgenden Bogens freigeben. In diesen Fällen finden Saugziehmarken Verwendung, bei denen die Andrückrolle von oben fehlt.For fast-running sheet-fed printing machines, it is customary to keep the plate and blanket cylinders as small as possible. Then paper speeds, but also production costs are smaller. The arc length can often ¾ to 5/6 of the plate cylinder circumference amount, ie the cylinder pits are short and the arc followed very closely aligned. Pinch marks no longer work because the long bows release the dowel line too late for pulling the following bow. In these cases Saugziehmarken be used in which the pressure roller is missing from above.

Im Anlegetisch befindet sich eine angetriebene Saugziehleiste, die mit einer ausreichenden Anzahl kleiner Saugluftlöcher jeden Bogen ansaugt und quer zur Bogenlaufrichtung gegen eine feste Seitenmarke zieht. Dabei wird für jede Papierstärke bis hin zum Karton die Saugluft so dosiert fein eingestellt, dass jeder Bogen mit Haftreibung vom Saugmundstück an die Seitenmarke gezogen wird und dort liegen bleibt, während die nun automatisch einsetzende Gleitreibung eine Weiterbewegung der Saugleiste bis zum Totpunkt erlaubt.In the feed table is a driven Saugziehleiste, with a Sufficient number of small Saugluftlöcher sucks each sheet and across the Sheet travel direction pulls against a fixed page mark. This is for every paper thickness down to the box the suction air is metered so finely adjusted that each sheet with Stiction from the suction mouthpiece is pulled to the side mark and remains there, while the now automatically occurring sliding friction a further movement of the Suction bar allowed until dead center.

Bekannte Saugziehmarken wirken also ohne Klemmwirkung nur von unten auf den Bogen. Sie erlauben ein Arbeiten in überdecktem Zustand vom vorhergehenden Bogenende und damit höhere Bogenleistungen pro Stunde als Klemmziehmarken. Nachteilig ist jedoch, dass der dritte nachfolgende Bogen, der unter dem jeweils auszurichtenden Bogen im Schuppenstrom herangeführt wird, auch bei Saugziehmarken - wie bei Klemmziehmarken - noch nicht die arbeitende Ziehmarke erreichen darf - weil er nicht zwischen dem angesaugten zweiten Bogen und Saugmundstück hindurch kommt. Known Saugziehmarken thus act without clamping effect only from below on the Bow. They allow working in covered condition from the previous one End of sheet and thus higher sheet rates per hour than Klemmziehmarken. The disadvantage, however, is that the third succeeding bow, which under the respective bow to be aligned is introduced in the scale flow, even with Saugziehmarken - as with Klemmziehmarken - not yet reach the working drag mark - because he does not come between the sucked second bow and suction mouthpiece.

Das kann er nur, wenn die Saugziehmarke nicht arbeitet, also "offen" ist für von unten nachrückende Bogen.He can only if the Saugziehmarke not working, so "open" is for from below moving arches.

Die Nachteile der bekannten Klemm- und Saugziehmarken für die Seitenausrichtung von Bogen könnten vermieden werden, wenn eine von oben wirkende Seitenziehvorrichtung vorgesehen ist.The disadvantages of the known clamping and Saugziehmarken for the page orientation of Bow could be avoided if a top-acting side puller is provided.

Die DE 33 05 219 C2 beschreibt den Einsatz einer von oben wirkenden Saugziehmarke für sehr kleinen Schuppenabstand.DE 33 05 219 C2 describes the use of a top-acting Saugziehmarke for very small scales.

Durch die DE 100 55 584 A1 ist eine Vorrichtung zum seitlichen Ausrichten von Bogen bekannt, bei der eine wirksame Saugfläche einer Saugziehdüse in Bogentransportrichtung größer als in Querrichtung ist.From DE 100 55 584 A1 a device for lateral alignment of sheets known, in which an effective suction surface of a Saugziehdüse in Sheet transport direction is greater than in the transverse direction.

Die DE 33 02 873 C2 offenbart einen von oben wirkenden Sauggreifer, der angehoben wird, um einen folgenden Bogen unter den gerade auszurichtenden Bogen weiter zur fördern.DE 33 02 873 C2 discloses a top-acting suction pads, which raised is to continue to a next arc under the bow to be aligned promote.

Die DE 11 10 656 B zeigt ein hin und her schwenkbares Saugsegment zum seitlichen Ausrichten von Bogen.DE 11 10 656 B shows a back and forth pivoting suction segment for lateral Aligning bows.

Die US 2 167 823 offenbart eine Vorrichtung zum Ausrichten von Bogen quer zur Bogenlaufrichtung, wobei eine einen Bogen transportierende Halteeinrichtung den Bogen gegen eine Seitenmarke bewegend angeordnet ist und mindestens zwei Bogen in Bogenlaufrichtung geschuppt übereinander angeordnet sind, wobei sich eine wirksame Haltefläche in Bogenlaufrichtung erstreckt, die in Längsrichtung länger als in Querrichtung ist und wobei die Halteeinrichtung von oben auf die Bogen wirkend angeordnet ist. Dabei sind drei Bogen gleichzeitig im Bereich der Halteeinrichtung angeordnet. US 2 167 823 discloses a device for aligning sheets across the Sheet running direction, wherein a sheet transporting holding means the bow is arranged to move against a side mark and at least two sheets in Scarf direction are arranged one above the other, whereby an effective Holding surface extends in the sheet running direction, the longer in the longitudinal direction than in the transverse direction is and wherein the holding device is arranged from above acting on the arc. there three arches are arranged simultaneously in the region of the holding device.

Die DE 27 35 711 A1 zeigt eine Vorrichtung zum seitlichen Ausrichten von Bogen mittels eines von unten wirkenden Saugbandes.DE 27 35 711 A1 shows a device for the lateral alignment of sheets by means a suction belt acting from below.

Die DE 27 11 554 A1 und die DE 653 308 C beschreiben jeweils eine Vorrichtung zum Ausrichten von Bogen, bei der ein in Bogenlaufrichtung nachlaufendes Ende eines bereits ausgerichteten Bogen wieder quer zur Bogenlaufrichtung von einer Seitenmarke wegbewegt wird.DE 27 11 554 A1 and DE 653 308 C each describe a device for Aligning a sheet that has a trailing end in the sheet travel direction already aligned sheet again transverse to the sheet travel direction of a page mark is moved away.

Die DE 198 22 307 A1 offenbart eine Vorrichtung zum Ausrichten von Bogen quer zur Bogenlaufrichtung, wobei eine den Bogen von unten transportierende Transportrolle den Bogen gegen eine Seitenmarke bewegt, die pro auszurichtenden Bogen 1/N Umdrehungen ausführt.DE 198 22 307 A1 discloses a device for aligning sheets transversely to the Sheet running direction, wherein a transporting the sheet from below transport roller the Bow moved against a side mark, the per bow to be aligned 1 / N Turns around.

Durch die US 1 728 329 A ist eine Vorrichtung zum seitlichen Ausrichten von Bogen mittels von oben angreifenden umlaufenden Saugwalzen bekannt.US 1 728 329 A discloses a device for laterally aligning sheets by known from above attacking rotating suction rolls.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Ausrichten von Bogen und ein Verfahren zum Ausrichten von Bogen quer zur Bogenlaufrichtung zu schaffen.The invention is based on the object, a device for aligning sheets and to provide a method for aligning sheets across the sheet travel direction.

Die Aufgabe wird erfindungsgemäß durch die Merkmale der Ansprüche 1 oder 13 gelöst.The object is achieved by the features of claims 1 or 13.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass eine von oben wirkende Seitenzieheinrichtung ohne Klemmwirkung arbeitet. Diese erlaubt erstmals, das Unterlaufen der Ziehmarkenlinie durch den nachfolgenden Bogen, während die Ziehvorrichtung einen in den Vordermarken angelegten Bogen noch zur Seite an einen festen Seitenkanten-Anschlag zieht.The achievable with the present invention consist in particular that one of overhead side puller works without clamping action. This allows for the first time, the underrunning of the Ziehmarkenlinie by the following bow, while the drawing device an applied in the front lays sheet to the side pull a solid side edge stop.

In vorteilhafter Weise können durch die neuartigen "Saugziehmarken von oben" die Bogen in ganz engem Schuppenabstand, also wesentlich langsamer, auf dem Anlagetisch zu den Vordermarken laufen und diese in einem früheren Zeitpunkt erreichen, denn es gibt für die Bogen keine Einlaufsperre mehr. Die Ziehmarkenlinie ist immer frei, weil jede Klemmwirkung nach unten zum Anlegetisch fehlt. Durch früheres Erreichen der Vordermarken stehen erheblich längere Zeitwinkel für Vorder- und Seitenkantenausrichtung zur Verfügung. Dies erlaubt entsprechend höhere Maschinengeschwindigkeiten, ohne die wirklichen Ausrichtzeiten in Millisekunden kürzer als üblich zu halten.Advantageously, by the novel "Saugziehmarken from above" the Bow in very narrow scale distance, so much slower, on the Run to the leading brands and reach them in an earlier time, because there are no entry barriers for the bows. The Ziehmarkenlinie is always free, because any clamping action is missing down to the feed table. By earlier reaching the Front brands are significantly longer time angle for front and Side edge alignment available. This allows correspondingly higher Machine speeds, without the real alignment times in milliseconds shorter as usual.

In weiterer Ausbildung der "Saugziehmarke von oben" kann sie mit an sich bekannten geringem Seitenversatz der in die Druckmaschine einlaufenden Bogen kombiniert werden. Dann kann die Saugziehmarke von oben auch schon arbeiten, wenn das Bogenende des vorhergehenden Bogens die Ziehmarkenlinie noch überdeckt und gleichzeitig ein nachfolgender Bogen ebenfalls die Ziehmarkenlinie unterschreitet. Damit befinden sich in neuartiger Weise nicht wie bisher nur zwei, sondern drei Bogen gleichzeitig im Ziehmarkenbereich. Das erklärt, warum trotz wesentlich höherer Maschinendrehzahl gleiche oder längere Bogenausrichtzeiten durch die Saugziehmarken von oben zur Verfügung stehen.In a further embodiment of the "Saugziehmarke from above" they can with known combined with a slight lateral offset of the incoming sheet into the printing press become. Then the Saugziehmarke can already work from above, if that Bow end of previous bow still overlapping the pull mark line and at the same time a subsequent arc also falls below the Ziehmarkenlinie. In order to are located in a novel way not as previously only two, but three sheets at the same time in the Ziehmarkenbereich. That explains why, despite much higher Machine speed same or longer sheet alignment times by the Saugziehmarken be available from above.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is illustrated in the drawings and is in described in more detail below.

Es zeigen:

Fig. 1
die linke Ecke des Anlegetisches von oben;
Fig. 2
Schnitt Saugziehmarke mit Anlegetisch;
Fig. 3
Antrieb der quer verschiebbaren Saugwalze;
Fig. 4
Weg-/Zeitdiagramm der Bogenzuführung mit klassischer Ziehmarke;
Fig. 5
Weg-/Zeitdiagramm der Bogenzuführung mit der erfindungsgemäßen Seitenmarke.
Show it:
Fig. 1
the left corner of the feed table from above;
Fig. 2
Cut suction mark with feed table;
Fig. 3
Drive the transversely displaceable suction roller;
Fig. 4
Path / time chart of sheet feeder with classic pull mark;
Fig. 5
Path / time diagram of the sheet feeder with the side mark according to the invention.

In Fig. 1 befinden sich an einem Anlegetisch 01 mehrere Vordermarken 02, die sich nach unten öffnen. Es gibt Seitenmarken 03 mit Deckmarken 04. Die Deckmarken 04 liegen unter einer Saugwalze 05 in deren Nuten. Die Saugwalze 05 hat zwei sich gegenüberliegende Reihen von Sauglöchern 06, von denen die obere Reihe sichtbar ist. Die Saugwalzenachsstummel drehen sich in zwei Lagerarmen 07 die außerhalb des Papierformates einstellbar am Anlegetisch 01 befestigt sind. Durch einen Schlauch 09 wird Saugluft in die Saugwalze 05 geführt und mit einem nur in Fig. 2 sichtbaren Schlitzmundstück 22 von innen an die Saugrohrwandung geführt. Die Saugwalzenachse liegt parallel zur Bogenlaufrichtung L und in der Nähe der auszurichtenden Bogenseitenkante. Der Antrieb der Saugwalze 05 erfolgt über ein Zahnriemenrad 14, einen Zahnriemen 15 und ein Ritzel 16 einer Eintourenwelle im Bogenanleger oder in der Druckmaschine oder beispielsweise über eigenen drehzahl- und/oder lagegeregelten Elektroantrieb mittels elektronischer Welle.In Fig. 1 are located on a feed table 01 several leading brands 02, which are after open below. There are page marks 03 with deck marks 04. The deck marks 04 are under a suction roll 05 in their grooves. The suction roll 05 has two opposite rows of suction holes 06, of which the upper row is visible. The Saugwalzenachsstummel rotate in two bearing arms 07 outside the Paper sizes are adjustable on the feed table 01 are attached. Through a hose 09 Suction air is guided into the suction roller 05 and with a visible only in Fig. 2 Slot mouthpiece 22 is guided from the inside to the Saugrohrwandung. The suction roll axis lies parallel to the sheet travel direction L and in the vicinity of the aligned Sheet side edge. The drive of the suction roller 05 via a toothed belt wheel 14, a toothed belt 15 and a pinion 16 a Eintourenwelle in the sheet feeder or in the Printing press or for example on its own speed and / or position-controlled Electric drive by means of electronic shaft.

Die Saugwalze 05 läuft gemäß den Fig. 1 bis 3 halbtourig mit den zwei Saugluftlochreihen um, d. h. die Saugwalze 05 ist so angeordnet, dass sie pro auszurichtenden Bogen 10; 11; 12 eine halbe Umdrehung ausführt. Die Saugwalze 05 hat einen günstigen Durchmesser zwischen 50 und 60 mm. Sie kann auch anders, z. B. dritteltourig, konstruiert sein.The suction roller 05 runs according to FIGS. 1 to 3 half-speed with the two Saugluftlochreihen around, d. H. the suction roll 05 is arranged so that it per sheet 10 to be aligned; 11; 12 half a turn. The suction roller 05 has a cheap Diameter between 50 and 60 mm. You can also different, z. B. third-rate, be constructed.

Die Saugwalze 05 ist demgemäß so angeordnet, dass sie pro auszurichtenden Bogen 10; 11; 12 1/N Umdrehungen ausführt, wobei N = 2, 3, 4,..., d. h. eine ganze Zahl größer 2 ist.The suction roll 05 is accordingly arranged so that they are per sheet 10 to be aligned; 11; 12 1 / N revolutions, where N = 2, 3, 4, ..., ie an integer greater than 2.

Die Saugwalze 05 ist pro auszurichtenden Bogen 10; 11; 12 1/N Umdrehungen ausführend angeordnet. Dabei ist N = 2, 3, 4, ..., d. h. eine ganze Zahl größer als 2.The suction roller 05 is per sheet 10 to be aligned; 11; 12 1 / N turns arranged executing. N = 2, 3, 4, ..., ie an integer greater than 2.

Fig. 1 zeigt einen in die Druckmaschine auslaufenden ersten Bogen 10 über Vordermarken 02, der nach erfolgter Seitenausrichtung an Seitenmarken 03 mit einem üblichen Bogenzuführer, z. B. einem Schwinger von unten oder mittels Saug-Schubförderer von unten in den Vordermarken 02 liegend erfasst und beschleunigt vom Anlegetisch 01 abgezogen wird. Dabei versetzt sich der Bogenzuführer axial, also quer zur Bogenlaufrichtung L, um einen stets konstanten Betrag A von z. B. 26 mm. Dadurch wird der etwa unter der Mittelachse der Saugwalze 05 liegende schmale, z. B. 6 mm breite, Saugschlitz über seine ganze Saugwalzenlänge von der Seitenkante des ablaufenden ersten Bogens 10 frei gelegt.Fig. 1 shows an expiring in the printing machine first sheet 10 via Front marks 02, which after side alignment on page marks 03 with a conventional sheet feeders, z. B. a vibrator from below or by means of suction conveyor detected from below in the leading edge 02 and accelerated from Feed table 01 is deducted. The sheet feeder is offset axially, ie transversely to the sheet travel direction L, to an always constant amount A of z. B. 26 mm. Thereby is about lying below the central axis of the suction roll 05 narrow, z. B. 6 mm wide, suction slot over its entire suction roll length from the side edge of the expiring first sheet 10 exposed.

Die Fig. 1 zeigt, dass das Ende des Bogens 10 den Saugwalzenbereich noch nicht verlassen hat. Die Seitenverschiebung A ermöglicht jedoch, dass die Saugwalze schon aktiv den nächsten zweiten Bogen 11, der bereits in den Vordermarken 02 liegt, nach links an die Seitenmarken 03 gezogen hat. Die Bogenzuführung dieses zweiten Bogens 11 kann demnächst beginnen, selbst wenn das Ende des ersten Bogens 10 die Vordermarken 02 noch überdeckt.Fig. 1 shows that the end of the sheet 10 is not yet the suction roll area has left. The side shift A, however, allows the suction roll already actively the next second sheet 11, which is already in the leading 02, after pulled left on the page marks 03. The sheet feeder of this second sheet 11 may start soon, even if the end of the first sheet 10 is the Front marks 02 still covered.

Ein dritter Bogen 12, der schon im Bereich der Saugwalze 05 angekommen ist, bewegt sich langsam in Richtung Vordermarken 02. Da er unter dem zweiten Bogen 11 liegt, den die von oben wirkende Saugwalze 05 gerade an die Seitenmarken 03 zieht, kann die Saugwalze 05 den dritten Bogen 12 noch nicht ansaugen. Das geschieht erst in der nächsten Periode, wenn der zweite Bogen 11 seitlich um Strecke A verschoben - so wie jetzt der erste Bogen 10 - in die Maschine ausläuft und den Saugschlitz in Saugwalze 05 freilegt für den dritten Bogen 12 usw. Schraffiert ist ein Toleranzband 13 eingezeichnet von z. B. ± 6 mm. Mit dieser maximalen Streuung laufen die geschuppt liegenden Einzelbogen vom Bogenanleger auf dem Anlegetisch 01 in die Vordermarken 02. Der aktive schmale, aber lange Saugkanal der über dem Bogenstrom liegenden Saugwalze 05 befindet sich unter der Mittellinie der Saugwalze 05 zwischen dem Bogeneinlauf-Toleranzband 13 und der Seitenkante aller auslaufenden und um den Betrag A von den Seitenmarken 03 versetzten Bogenseitenkanten. Das ist der mit B bezeichnete Streifen. Bei dieser Anordnung erwischt die Saugwalze 05 alle innerhalb des Toleranzbandes 13 einlaufenden Bogen 10; 11; 12 des Schuppenstromes, aber nicht die versetzten Seitenkanten aller auflaufenden Bogen 10; 11; 12.A third sheet 12, which has already arrived in the area of the suction roll 05, moves slowly in the direction of the leading edge 02. Since it is below the second sheet 11, the the suction roller 05 acting from above pulls straight to the side marks 03, the Suction roller 05 the third sheet 12 is not yet suck. This happens only in the next period, when the second sheet 11 laterally shifted by distance A - as well now the first sheet 10 - runs into the machine and the suction slot in suction roll 05 uncovered for the third sheet 12, etc. Hatched a tolerance band 13 is located from Z. B. ± 6 mm. With this maximum scattering, the scaled lying run Sheet from the sheet feeder on the feed table 01 in the front 02. The active narrow, but long suction channel of lying above the arc stream suction roll 05 is below the centerline of the suction roll 05 between the sheet entry tolerance band 13 and the side edge of all expiring and by the amount A of the Page marks 03 offset sheet side edges. This is the strip labeled B. In this arrangement, the suction roller 05 all caught within the tolerance band thirteenth incoming sheet 10; 11; 12 of the scale flow, but not the offset Side edges of all leading sheets 10; 11; 12th

Das Verhältnis von wirksamer Haltefläche in Längsrichtung 105 zur wirksamen Haltefläche in Querrichtung b05 sollte größer 3, vorzugsweise größer 5, betragen.The ratio of effective holding surface in the longitudinal direction 105 to the effective holding surface in transverse direction b05 should be greater than 3, preferably greater than 5.

Die drei Bogen 10; 11; 12 sind zwischen zwei die Länge 105 der wirksamen Haltefläche der Halteeinrichtung 05 begrenzenden, sich quer zur Bogenlaufrichtung erstreckenden Geraden 23, 24 angeordnet.The three sheets 10; 11; 12 are between two the length 105 of the effective holding surface the holding device 05 limiting, extending transversely to the sheet running direction Straight lines 23, 24 are arranged.

Fig. 2 zeigt die Saugwalze 05 über dem Anlegetisch/Kammblech 01. Der erste Bogen 10 läuft im Abstand A, z. B. 26 mm, von der Seitenmarke 03 versetzt, in die Maschine. Er liegt rechts von der Saugwalzenmitte außerhalb des Saugluftkanals 22.2 shows the suction roller 05 above the feed table / comb plate 01. The first sheet 10th runs at a distance A, z. B. 26 mm, offset from the side mark 03, in the machine. He is located to the right of the Saugwalzenmitte outside the suction air duct 22nd

Der zweite Bogen 11 wird von einer der beiden erhöhten Saugluftsegmente mit Sauglöchern 06 an die Seitenmarke 03 gezogen. Mehrere Deckmarken bzw. Leitzungen 04 ragen über die Seitenmarken 03 in Nuten bis etwa zur Mitte unter die Saugwalze 05. Die Deckmarken 04 verhindern, dass sich dünne Bogen 10; 11; 12 im Zwickel zwischen Anlegetisch 01, Seitenmarke 03 und Saugwalze 05 bei Anstoß an Seitenmarken 03 aufwölben.The second sheet 11 is supported by one of the two elevated Saugluftsegmente Suction holes 06 pulled to the side mark 03. Several Deckmarken or Leitzungen 04 protrude over the side marks 03 in grooves to about the middle under the suction roll 05. The cover marks 04 prevent thin sheets 10; 11; 12 in the gusset between Laying table 01, page mark 03 and suction roll 05 at impact on page marks 03 bulge.

Die beiden aktiven Sauglöchersegmente der Saugwalze 05 liegen sich gegenüber und sind etwa 30° bis 45° lang bei halbtourig umlaufender Saugwalze 05, so dass sich ein langer Ziehzeitwinkel von etwa 90° und ein Ziehweg der Saugwalze 05 von etwa 20 mm ergibt.The two active Sauglöchersegmente the suction roller 05 are opposite and are about 30 ° to 45 ° long at half-round circumferential suction roller 05, so that a long drawing time angle of about 90 ° and a pulling of the suction roll 05 of about 20 mm results.

Die umlaufende Saugwalze 05 kann das taktmäßige Ein- und Abschalten der Saugluft zum Seitenziehen selbst übernehmen. Dazu befinden sich nur Saugluftlöcher 06 in den zwei gegenüberliegenden 45° Segmenten. Innerhalb der umlaufenden Saugwalze 05 befindet sich ein feststehendes Rohr 21 als Saugluftzufuhr über die ganze Länge der Saugwalze 05. Das Rohr 21 hat einen nach unten gerichtete Luftschlitz 22 von z. B. 6 mm Breite über die Länge der Saugwalze 05.The circulating suction roller 05 can the cyclical switching on and off of the suction air to take over for yourself. These are only suction holes 06 in the two opposite 45 ° segments. Within the circulating suction roll 05 is a fixed pipe 21 as Saugluftzufuhr over the entire length of Suction roll 05. The tube 21 has a downwardly directed air slot 22 of z. B. 6 mm Width over the length of the suction roll 05.

Denkbar ist auch, dass die Saugwalze 05 rundum Sauglöcher 06 aufweist, rhythmisch oder frei umläuft und die Saugluft getaktet über ein schlitzartiges Mundstück 22 innerhalb der Saugwalze 05 und nach unten gerichtet zugeführt wird.It is also conceivable that the suction roller 05 has all around suction holes 06, rhythmically or circulates freely and the suction air clocked via a slot-like mouthpiece 22 within the suction roller 05 and directed downwards.

Die Saugwalze 05 weist in Umfangsrichtung mehrere Segmente mit Sauglöchern 06 auf, wobei jedes Segment einen anderen auszurichtenden Bogen 10; 11; 12 ansaugt. Vorzugsweise weist die Saugwalze 05 in Umfangsrichtung zwei Segmente auf.The suction roll 05 has several segments with suction holes 06 in the circumferential direction, each segment having a different sheet 10 to be aligned; 11; 12 sucks. Preferably, the suction roll 05 has two segments in the circumferential direction.

Wo gemäß Fig. 2 die Deckmarken/Leitzungen 04 sich in den Saugwalzen unten befinden, d. h. bei den Saugwalzennuten, ist der Saugschlitz 22 im Rohr 21 nicht durchgefräst, was die Stabilität des Saugrohres 21 erhöht. Das Vakuum wird äußerst schnell geschaltet, da es in Rohr 21 erhalten bleibt und nur die Luftlöcher 06 in Mundstücknähe leer gesaugt werden müssen. Bei der Saugwalze 05 sind die Zwischenräume zu den zwei aktiven Saugsegmenten 06 etwas tiefer gelegt. Das erleichtert den in die Maschine auslaufenden versetzten ersten Bogen 10 ungestört neben und parallel zur Saugwalzenmitte den Anlegetisch 01 zu verlassen.Where, according to FIG. 2, the cover marks / guide tongues 04 are located in the suction rolls at the bottom, d. H. at the Saugwalzennuten, the suction slot 22 is not milled through the tube 21, which increases the stability of the suction tube 21. The vacuum is switched very fast, because it is retained in tube 21 and only the air holes 06 sucked empty near the mouth Need to become. In the suction roll 05, the gaps are among the two active ones Suction segments 06 placed a little lower. This makes it easier for the machine to run out staggered first sheet 10 undisturbed next to and parallel to the Saugwalzenmitte the Leaving the feed table 01.

In Fig. 2 liegt der einlaufende dritte Bogen 12 innerhalb des Schuppentoleranzbandes 13 rechts von der Seitenmarke 03 und links von der Mitte der Saugwalze 05, also an sich im Ansaugbereich 22. Da jedoch der zweite Bogen 11 über dem dritten Bogen 12 liegt und der zweite Bogen 11 mit der Saugwalze 05 von oben gegen die Seitenmarke 03 gezogen wird, kann der dritte Bogen 12, weil vom ersten Bogen 11 überdeckt, nicht von der Saugwalze 05 angesaugt werden. Der dritte Bogen 12 kann sich also ungestört trotz arbeitender Seitenziehmarke 03 weiter in Richtung Vordermarken 02 bewegen.In Fig. 2, the incoming third sheet 12 is within the scale tolerance band thirteenth right of the page mark 03 and to the left of the center of the suction roll 05, so in itself Suction area 22. However, since the second sheet 11 is above the third sheet 12 and the second sheet 11 is pulled with the suction roller 05 from above against the side mark 03 is, the third sheet 12, because of the first sheet 11 covers not from the Suction roller 05 are sucked. The third sheet 12 can thus be undisturbed despite working side-pull mark 03 move further in the direction of front mark 02.

Die Fig. 3 veranschaulicht ein Antriebsbeispiel der über dem Anlegetisch 01 liegenden Saugwalze 05, die vom Zahnrad 14, Zahnriemen 15 und Antriebsrad 16 halbtourig angetrieben wird. Kegelräder 17; 18 über dem Anlegetisch 01 werden durch eine vertikale Achse 19 mit 2 : 1 Kegelrädern 30; 31 unter dem Anlegetisch 01 verbunden. Im Kegelrad 31 befindet sich eine eingeschraubte Paßfeder 32, die in eine durchgehende Nute 33 einer quer unter dem Anlagetisch 01 sich drehenden Eintourenwelle 34 eingreift. Über dieser Eintourenwelle 34 befindet sich ein abdeckbarer Schlitz im Anlegetisch 01 zum Durchlass der vertikalen Kegelrad-Antriebswelle 19 von unten noch oben. Somit kann der ganze Komplex Saugziehmarke mit Antrieb quer zur Bogenlaufrichtung L je nach Bogenbreite auf SI (Steuerseite) oder mit einem spiegelbildlichen Saugziehmarken-Komplex auf SII (Antriebsseite) der Druckmaschine verfahren werden.FIG. 3 illustrates a drive example of the overlying table 01 Suction roller 05, the half-speed of the gear 14, timing belt 15 and drive wheel 16 is driven. Bevel gears 17; 18 above the feed table 01 are by a vertical Axle 19 with 2: 1 bevel gears 30; 31 connected under the feed table 01. In the bevel gear 31 is a screwed key 32, which in a continuous groove 33rd a transversely under the investment table 01 rotating Eintourenwelle 34 engages. about This Eintourenwelle 34 is a coverable slot in the feed table 01 to Passage of the vertical bevel gear drive shaft 19 from below still above. Thus, the whole complex Saugziehmarke with drive across the sheet travel direction L depending on Sheet width on SI (control side) or with a mirror-image suction mark marker complex on SII (drive side) of the printing press.

Man sieht in Fig. 3 auch, dass sich zwecks Anlagezeitgewinn in neuartiger Weise drei Bogen 10; 11; 12 gleichzeitig im Ziehmarkenbereich befinden, während es in bekannter Weise bisher nur zwei Bogen sind.It can also be seen in Fig. 3, that in terms of investment time profit in a novel way three Sheet 10; 11; 12 at the same time in Ziehmarkenbereich while in known Way so far only two sheets are.

Abb. 4 stellt ein Weg-/Zeitdiagramm der Bogenzuführung mit klassischer Ziehmarke ZM in Position -150 mm von der Nulllinie dar. Die Abszisse beschreibt den aktiven Zeitwinkel einer Eintourenwelle, z. B. eines Plattenzylinders von 0° bis 360°, die Ordinate den Bogenweg in mm.Fig. 4 shows a Weg- / time diagram of the sheet feeder with classic pull mark ZM in Position -150 mm from the zero line. The abscissa describes the active time angle a one-way wave, z. B. a plate cylinder from 0 ° to 360 °, the ordinate the Bow path in mm.

Der erste Bogen links außen wird im 90° Zeitwinkel, z. B. mittels schwingender Vorgreifer, parallelförmig auf Zylinderumfangsgeschwindigkeit beschleunigt und verlässt als 45°-Gerade die Vordermarkenlinie gleich Abszisse.The first arc left outside is in the 90 ° time angle, z. B. by means of oscillating pregrippers, accelerated parallel to cylinder peripheral speed and leaves as 45 ° straight the leading line is abscissa.

Ein zweiter Bogen läuft langsamer im Bogenstrom mit Schuppenlänge SL = 300 mm und trifft bei 210° auf die Vordermarken. Er berührt die Vordermarke 80° lang, nämlich bis 290°. Dann setzt die klassische Seitenziehmarke ein, die vom ablaufenden ersten Bogen, mit maximaler 720 mm Länge, schon freigegeben ist. Die Ziehzeit beträgt 60° bis sich bei 350° die Ziehmarke öffnet. Erst danach darf der dritte Bogen 12 die Ziehmarkenlinie-150 mm der Vordermarken durchfahren, was mit 210° Ankunftspunkt den relativ großen Schuppenabstand von SL = 300 mm erzwingt. Überlange Bogen von z. B. 850 mm Länge überdecken die Ziehmarke. In diesem Fall muss sie dann eine Saugziehmarke von unten sein.A second arc runs slower in a stream of stream with scale length SL = 300 mm and meets at 210 ° on the front lays. He touches the front end 80 ° long, namely to 290 °. Then the classic side-pull brand sets in, which starts from the first bow, with a maximum length of 720 mm, already released. The brewing time is 60 ° until at 350 ° the pull mark opens. Only then may the third sheet 12 the Ziehmarkenlinie-150 mm of the leading edge pass through, which with 210 ° arrival point the relatively large Scale distance of SL = 300 mm forces. Extra long bow of z. B. 850 mm in length cover the goat brand. In this case, she then needs a suction mark from below be.

Fig. 5 zeigt ein verbessertes Weg-/Zeitdiagramm mit der erfindungsgemäßen Seitenziehmarke, die nur von oben den Bogen mit Saugwirkung zieht. Bogenanfänge und Bogenenden bewegen sich wie in Fig. 4. Der zweite Bogen trifft wesentlich früher, nämlich bei 140°, an die Vordermarken und hat 120° Berührungszeit bis 260° wenn die Ziehmarke beginnt.Fig. 5 shows an improved path / time diagram with the invention Side pull mark, which pulls the sheet only with suction from above. Bow starts and Bow ends move as in Fig. 4. The second bow meets much earlier, namely at 140 °, to the front lays and has 120 ° contact time to 260 ° when the pull mark starts.

Der Schuppenabstand SL beträgt nur 180 mm, weil der dritte Bogen nicht auf das Öffnen der Ziehmarke wie in Fig. 4 warten muß. Der dritte Bogen 12 kann die arbeitende Ziehmarke unterlaufen und darf sich deshalb schon im 120 mm langen Bereich der Ziehmarken-Saugwalze von 250 mm-130 mm befinden - das erlaubt den günstigsten, weil kleineren Schuppenabstand von nur 180 mm.The scale spacing SL is only 180 mm, because the third bow is not open the drag mark as in Fig. 4 must wait. The third sheet 12 can be the working one Pull under the heading and may therefore already in the 120 mm long range of Pull mark suction roller of 250 mm-130 mm are located - this allows the cheapest, because smaller scale distance of only 180 mm.

Bei einer normalen maximalen Bogenlänge von 720 mm läuft das Bogenende an der Ziehmarken-Saugwalze vorbei, bevor sie anfängt von 260° bis 350°, also mit 90° Ziehzeit zu arbeiten.At a normal maximum arc length of 720 mm, the end of the sheet runs on the Pull mark suction roll over before starting from 260 ° to 350 °, so with 90 ° bake time to work.

Bei überlangen Bogen, z. B. 850 mm lang oder 306° von 1000mm Zylinderumfang eintourig, überdeckt das auslaufende Bogenende die arbeitende Saugziehmarke. In solchen Fällen muß der auslaufende Bogen seitlich, z. B. um 26 mm, versetzt werden, um die Ziehmarke rechtzeitig bei 260° frei zu geben.For overlong bow, z. B. 850 mm long or 306 ° of 1000mm cylinder circumference single-speed, the expiring arc end covers the working Saugziehmarke. In such cases, the expiring bow must be laterally, z. B. offset by 26 mm, to to release the pull mark timely at 260 °.

Der Vergleich von Fig. 4 mit Fig. 5 zeigt, dass die Anlegezeiten um 50% länger sind, nämlich bei den Vordermarken 120° statt 80° und bei dem Seitenziehwert 90° statt 60°. Das ist möglich, weil sich nicht nur der jeweils zweite Bogen, sondern auch schon der dritte Bogen im Bereich zwischen Ziehmarkenmechanismus und Vordermarken 02 befinden kann. Das erlaubt zugleich einen günstig kleinen Schuppenabstand mit geringerer Geschwindigkeit und weniger Rückprallgefahr bei Anstoß in den Vordermarken. The comparison of Fig. 4 with Fig. 5 shows that the application times are 50% longer, namely 120 ° instead of 80 ° for the front lays and 90 ° for the side pull instead of 60 °. This is possible because not only the second arc, but already the third sheet in the area between Ziehmarkenmechanismus and front marks 02 can be located. At the same time, this allows a favorably small scale spacing lower speed and less risk of rebound when kicked into the Front brands.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Anlegetischfeed table
0202
Vordermarkefront lay
0303
Seitenmarkepage brand
0404
Deckmarke, LeitzungeDeckmark, Leitzunge
0505
Halteeinrichtung, SaugwalzeHolding device, suction roll
0606
Sauglöcher, Saugluftlöcher, Saugsegmente, HalteflächeSuction holes, suction air holes, suction segments, holding surface
0707
Lagerarmebearing arms
0808
--
0909
Schlauchtube
1010
Bogen, ersterBow, first
1111
Bogen, zweiterBow, second
1212
Bogen, dritterBow, third
1313
Toleranzbandtolerance band
1414
Zahnriemenradtoothed belt
1515
Zahnriementoothed belt
1616
Antriebsraddrive wheel
1717
Kegelradbevel gear
1818
Kegelradbevel gear
1919
Achse, vertikal, KegelradantriebswelleAxis, vertical, bevel gear drive shaft
2020
--
2121
Rohrpipe
2222
Luftschlitz, SchlitzmundstückLouver, slot mouthpiece
2323
GeradeJust
2424
GeradeJust
2525
--
2626
--
2727
- -
2828
--
2929
--
3030
Kegelradbevel gear
3131
Kegelradbevel gear
3232
Paßfederadjusting spring
3333
Nutegroove
3434
Eintourenwellesingle turn shaft
AA
konstanter Betrag, Streckeconstant amount, distance
BB
konstanter Betrag, Streckeconstant amount, distance
LL
Laufrichtung, BogenlaufrichtungRunning direction, sheet travel direction
105105
Länge der Haltefläche, LängsrichtungLength of the holding surface, longitudinal direction
b05b05
Breite der Haltefläche, QuerrichtungWidth of the holding surface, transverse direction
ZMZM
Ziehmarkepull guide
VMVM
Vordermarkefront lay
SLSL
Schuppenlänge, SchuppenabstandScale length, scale spacing

Claims (13)

  1. An apparatus for aligning sheets (10; 11; 12) transversely to the direction of travel (L) of the sheets, wherein a holding device (05) conveying a sheet (10; 11; 12) from above is arranged so as to move the sheet (10; 11; 12) towards a side lay mark (03) and at least two sheets (10; 11; 12) are arranged in an imbricated manner one above the other in the direction of travel (L) of the sheets, wherein an effective holding face extends in the direction of travel (L) of the sheets which is longer in the longitudinal direction (105) than in the transverse direction (b05), wherein three sheets (10; 11; 12) are arranged at the same time in the region of the holding device (05), characterized in that the holding device (05) is constructed in the form of at least one suction roller (05), a longitudinal axis of the suction roller (05) is arranged substantially in the direction of travel (L) of the sheets (10; 11; 12), and the suction roller (05) is arranged so as to rotate.
  2. An apparatus according to Claim 1, characterized in that the three sheets (10; 11; 12) are arranged between two straight lines (23, 24) which bound the length (105) of an effective holding face of the suction roller (05) and which extend transversely to the direction of travel of the sheets.
  3. An apparatus according to Claim 1, characterized in that a ratio of a length (105) of the effective holding face in the longitudinal direction to a width (b05) of the effective holding face in the transverse direction is greater than 3, and preferably greater than 5.
  4. An apparatus according to Claim 1, characterized in that the suction roller (05) is arranged on a feeder table (01).
  5. An apparatus according to Claim 1, characterized in that on its periphery the rhythmically running suction roller (05) has at least one segment with suction apertures (06) and one segment without apertures, and a stationary suction-air tube (21) is arranged in such a way inside the rotatably mounted suction roller (05) that only one narrow strip of all the air apertures is acted upon with suction air in order to suck on and convey laterally a sheet (10; 11; 12) situated below the suction roller (05) through a narrow slot over the length of the suction roller (05).
  6. An apparatus according to Claim 1, characterized in that a sheet feeder is arranged so as to move sheets (10; 11; 12) - aligned with respect to their front and lateral edges - axially with a constant lateral offset.
  7. An apparatus according to Claim 5, characterized in that the active, narrow and long suction-air strip - situated below - of the suction roller (05) is arranged between the tolerance area (13) of the sheets (10; 11; 12) running in and the lateral edge - aligned offset - of the sheet (10; 11; 12) running out.
  8. An apparatus according to Claim 1, characterized in that the imbrication interval of the sheets (10; 11; 12) on the feeder table (01) is so small that, when the suction apparatus drawing from above is running, a following sheet (10; 11; 12) is already moving under the sucked-on sheet (10; 11; 12) in the direction of the front lay marks (02).
  9. An apparatus according to Claim 1, characterized in that the suction roller (05) is driven by way of a separate motor in synchronism with the press arranged downstream.
  10. An apparatus according to Claim 1, characterized in that the suction roller (05) is driven by way of a separate motor in synchronism with the press arranged downstream in a mechanical manner by way of a splined shaft rotating transversely below the feeder table (01) and with displaceable bevel gears.
  11. An apparatus according to Claim 6, characterized in that the drive of the suction roller (05) permits a format adjustment transverse to the direction of travel (L) of the sheets.
  12. An apparatus according to Claim 1, characterized in that the suction roller (05) adjustable in accordance with the sheet format is driven from a fixed driving point by means of a flexible shaft arranged above the feeder table (01).
  13. A method of aligning sheets (10; 11; 12) transversely to the direction of travel (L) of the sheets, wherein a suction roller (05) conveying a sheet (10; 11; 12) is arranged so as to move the sheet (10; 11; 12) towards a side lay mark (03) and a plurality of sheets (10; 11; 12) are arranged one above the other in an imbricated manner in the direction of travel (L) of the sheets, wherein one longitudinal axis in the suction roller (05) is situated substantially in the direction of travel (L) of the sheets (10; 11; 12), with the following steps:
    a sheet (11) gripped from above is moved transversely to the direction of travel (L) of the sheets by means of the suction roller (05);
    at the same time a leading end of a following sheet (12) is conveyed below the gripped sheet (11) in the region of the suction roller (05);
    at least one end - trailing in the direction of travel (L) of the sheets - of a sheet (10) moved transversely to the direction of travel (L) of the sheets and already aligned is moved away from the side lay mark (03) again transversely to the direction of travel (L) of the sheets.
EP03722206A 2002-04-13 2003-02-28 Device for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets Expired - Lifetime EP1494946B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04104432A EP1493698B2 (en) 2002-04-13 2003-02-28 Device for aligning sheets transversal to the direction of travel of the sheets

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10216355A DE10216355A1 (en) 2002-04-13 2002-04-13 Device for aligning sheets and a method
DE10216355 2002-04-13
PCT/DE2003/000672 WO2003086923A2 (en) 2002-04-13 2003-02-28 Devices for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP04104432A Division EP1493698B2 (en) 2002-04-13 2003-02-28 Device for aligning sheets transversal to the direction of travel of the sheets

Publications (2)

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

Family

ID=28798403

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03722206A Expired - Lifetime EP1494946B1 (en) 2002-04-13 2003-02-28 Device for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets
EP04104432A Expired - Lifetime EP1493698B2 (en) 2002-04-13 2003-02-28 Device for aligning sheets transversal to the direction of travel of the sheets

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04104432A Expired - Lifetime EP1493698B2 (en) 2002-04-13 2003-02-28 Device for aligning sheets transversal to the direction of travel of the sheets

Country Status (8)

Country Link
US (1) US7357390B2 (en)
EP (2) EP1494946B1 (en)
JP (1) JP2005529039A (en)
CN (1) CN1296262C (en)
AT (2) ATE312789T1 (en)
AU (1) AU2003229487A1 (en)
DE (3) DE10216355A1 (en)
WO (1) WO2003086923A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706029B1 (en) * 2012-09-06 2019-01-16 Heidelberger Druckmaschinen AG Device for aligning sheets with articulated arm bearing
DE102012216519B4 (en) 2012-09-17 2018-05-03 Koenig & Bauer Ag Apparatus and method for stacking sheets
CN106927285B (en) * 2017-03-30 2019-03-05 成都印钞有限公司 A kind of printing machine paper feeding quality detection device
CN108501514B (en) * 2018-03-30 2019-07-30 重庆川之舟印务设计有限公司 Device for advertising and printing
EP3659467B1 (en) * 2018-11-30 2021-09-08 Lufthansa Technik AG Height-adjustable device

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Also Published As

Publication number Publication date
WO2003086923B1 (en) 2004-04-29
CN1646403A (en) 2005-07-27
ATE322444T1 (en) 2006-04-15
DE10216355A1 (en) 2003-11-06
JP2005529039A (en) 2005-09-29
ATE312789T1 (en) 2005-12-15
EP1493698B2 (en) 2006-04-12
EP1493698A1 (en) 2005-01-05
DE50301931D1 (en) 2006-01-19
DE50302891D1 (en) 2006-05-18
EP1493698B1 (en) 2006-04-05
US7357390B2 (en) 2008-04-15
CN1296262C (en) 2007-01-24
WO2003086923A3 (en) 2004-02-12
US20050179196A1 (en) 2005-08-18
WO2003086923A2 (en) 2003-10-23
EP1494946A2 (en) 2005-01-12
AU2003229487A1 (en) 2003-10-27

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