EP1136409A2 - Dispositif pour freiner des feuilles d'essai ou défectueuses dans une machine de traitement de feuilles - Google Patents

Dispositif pour freiner des feuilles d'essai ou défectueuses dans une machine de traitement de feuilles Download PDF

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Publication number
EP1136409A2
EP1136409A2 EP01102786A EP01102786A EP1136409A2 EP 1136409 A2 EP1136409 A2 EP 1136409A2 EP 01102786 A EP01102786 A EP 01102786A EP 01102786 A EP01102786 A EP 01102786A EP 1136409 A2 EP1136409 A2 EP 1136409A2
Authority
EP
European Patent Office
Prior art keywords
sheet
roller
guide part
sheets
printing
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
EP01102786A
Other languages
German (de)
English (en)
Other versions
EP1136409A3 (fr
EP1136409B1 (fr
Inventor
Udo Lautenklos
Richard Mack
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1136409A2 publication Critical patent/EP1136409A2/fr
Publication of EP1136409A3 publication Critical patent/EP1136409A3/fr
Application granted granted Critical
Publication of EP1136409B1 publication Critical patent/EP1136409B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/585—Article switches or diverters taking samples from the main stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/62—Article switches or diverters diverting faulty articles from the main streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/153—Arrangements of rollers facing a transport surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a device for braking sample and Defect sheet of a machine that processes flat substrates, such as one Printing machine, wherein a sheet is guided along a sheet guiding part, as well as a flat printing material equipped with such a device processing machine, in particular printing machine.
  • Such machines in particular printing machines, have stacking stations in which the for further use, e.g. intended for further processing Sheets are filed.
  • the for further use e.g. intended for further processing Sheets are filed.
  • sheets are printed that are not yet the desired one Have quality and are defective in this respect and as an error sheet or Waste can be called. These may not be processed in the intended stack of paper stored, but must be rejected.
  • test sheets are regularly closed while the machine is in operation remove, on the one hand to continuously check the quality of the printed image, on the other hand to document the quality of the print within the framework of the Workflow related standards, such as the ISO 9000 standard.
  • the invention has for its object, while avoiding the aforementioned Disadvantages of a simple and inexpensive device for braking Sample and error sheet of a flat substrate processing machine to propose.
  • this object is achieved with a device of the beginning mentioned type solved by a resting on the sheet guide, at least vertically movable roller that a between Sheet guide part and roller guided sheet brakes, is marked.
  • the roller one in essential vertical stop for the bow is arranged.
  • a sheet guided between sheet guiding part and roller is braked so far, that damage to the same upon contacting the subsequent one Stop is reliably avoided. Therefore there are none for the latter Damping devices required; however, such options can be be provided.
  • the roller After springing back of the sheet at the stop, the roller again in rotation with reverse direction of rotation and the bow brought to a standstill between the sheet guide and the roller.
  • the Absorption of the kinetic energy of the arc over a relative long way and consequently only slight braking forces act on the bow, so that damage to the same is avoided.
  • the device is for different types of paper of different thicknesses, especially suitable for cardboard boxes because the position of the vertical elastically mounted roller the thickness of one between it and the sheet guide adapts the guided sheet and the roller always lies against the sheet to its absorb kinetic energy.
  • the distance between the roller and the The stop is in the order of the gripper edge of the bow.
  • the roller is preferably made of a soft elastic material, especially rubber, which also has a high coefficient of friction yields to effectively absorb and enter the kinetic energy of the bow Prevent the sheet from sliding along the roller without the roller in To set rotation.
  • roller can only be lifted against its weight, see a preferred embodiment that the roller elastically in the direction of Sheet guide part is preloaded to increase the braking forces acting on the sheet increase and always a desired pressure of the sheet in the direction of To effect sheet guide part.
  • the roller also has a horizontal one Movement component movable and against the transport direction of the Bow is elastically preloaded, so that damage to the leading Edge of a sheet, in particular a sheet of greater thickness, e.g. one Cartons, when the roller comes into contact by springing back is reliably avoided.
  • the roller is preferably mounted in a spherical cap which is attached to the roller opposite side one with respect to the transport direction of the sheet has increasing slope and can be moved on it with a stationary guide part is in support contact, the cap being elastic is preloaded against the transport direction of the sheet.
  • a slide bearing is formed between the guide part and the spherical cap, which is a Longitudinal displaceability of the roller ensures, in particular the Do not damage the leading edge of sheets of different thickness and simultaneously brake the sheets when they come into contact with the roller, by elastically preloading against the transport direction of the sheet Roller is moved along the slope so far in the direction of the arc until the distance between the roller and sheet guide at least the thickness of the Arc corresponds.
  • the contact pressure of the roller is up the sheet guide part is preferably adjustable.
  • the contact pressure of the roller can for example by means of at least one vertically arranged adjusting screw be adjustable, which is in support contact with the calotte via a helical spring stands and the roller consequently with a variable force in the direction of the Prestressed sheet guide.
  • the stop pressure is also preferred Roller on the slope by means of at least one horizontally arranged Adjusting screw adjustable with a spherical spring with the calotte Support contact is and for example in a threaded hole of the Guide part is arranged.
  • the guide part with the calotte and Roller connected to a flap pivotable about a horizontal axis is, the device in the closed position in the operating position located and the discharged sheet can be removed after opening the flap is.
  • the adjusting screw for adjusting the Contact pressure of the roller on the sheet guide preferably in a threaded hole the flap arranged to the contact pressure of the roller on the Sheet guide part in the operating position of the device according to the invention closed flap.
  • the invention relates to a flat printing material processing Machine equipped with a device of the aforementioned type.
  • Fig. 1 is an overall schematic view of a flat printing material processing machine 1 removable.
  • This has a printing press 2, a sheet feed device 3 arranged in the same way on the input side thereof of an investor, a delivery arranged on the output side of the printing press 2 4 with a chain conveyor 4.1, one below the end of the Chain conveyor 4.1 arranged stacking station 5 and connected to this a device 6 for receiving and aligning sample and Error sheet on, here for clarification in a dashed circle is shown partially cut.
  • the sheet feed device 3 has an exchangeable one made of sheet 8 formed stack 3.1 supporting stacking pad 3.2, for example in the form a pallet.
  • For gradually lifting the stacking pad 3.2 corresponding to the deduction of sheet 8 from the stack 3.1 is one with lifting chains 3.3 working hoist provided.
  • a separation unit is located above the stack 3.1 3.4 with lifting and drag vacuums for gripping each top sheet 8 of the stack 3.1 and for transferring such a sheet 8 to a transport and alignment unit comprising a suction belt conveyor 3.5 provided that the sheet 8 at their leading and one aligns the lateral edge of the same for transmission.
  • the printing press 2 here a rotary printing press, has in the illustrated Embodiment two printing units 2a, 2 '. It is therefore for printing designed by two colors. To print additional colors is one for each Color to provide another printing unit.
  • the printing unit 2a has a printing cylinder 2.1 and one with the latter cooperating blanket cylinder 2.2 and one in each Printing unit to be printed sheets to the printing cylinder 2.1 Feed drum 2.3 on.
  • the printing unit 2 ' is with appropriate facilities fitted.
  • a sheet transfer device 2.5 is located between the printing units 2a, 2 ' intended. If two by such a sheet transfer facility connected printing units the same side of a sheet - with different Colors - printing, so the sheets are handed over unturned; to that extent two connected by such a sheet transfer device Printing units print on the other side of a sheet, that is appropriate sheet transfer device designed such that the sheets turned over to the subsequent printing unit.
  • a drive 2.6 with a motor driven Belt drive provided, the one with a gear Sheet transfer device 2.5 meshing drive gear 2.7 drives.
  • the chain conveyor 4.1 and the Paper feed device 3 with the drive 2.6 via corresponding gears in operative connection in order to stop the printing units 2a, 2 ' Shutdown of the rest, at the loading of the printing press with sheets or components involved in their output.
  • the printed sheets are in operative connection with the drive 2.6 here transfer the standing chain conveyor 4.1 of the boom 4.
  • the chain conveyor 4.1 comprises two conveyor chains 4.5, each of which one revolves along a respective side wall of the boom 4.
  • a respective one the conveyor chains 4.5 loops around one of two operationally synchronously rotating Drive sprockets 4.2, whose axes of rotation are aligned, and is in the present embodiment over a compared to the drive sprockets 4.2 downstream with respect to the processing direction located deflection sprocket 4.4 out.
  • the drive sprockets 4.2 are in a gear train of the printing press driven by the drive 2.6 involved.
  • the drive sprockets 4.2 are seated a common sprocket shaft 4.3.
  • the Bow brake 4.9 includes a plurality of brake modules, each here are formed by means of a suction belt conveyor.
  • the sheets 8 are transferred from the chain conveyor 4.1 into the stacking station 5 passed so that a stack 5.1 of sheets is formed in this.
  • the Stacking station 5 has one in its upper receiving area for the sheets Front edge stop 5.2 and an opposite rear edge stop 5.3 through which the sheets are aligned. Furthermore points the stacking station 5 has a hoist, of which only one in FIG Stack 5.1 supporting platform 5.4 and this, dash-dotted indicated lifting chains 5.5 are reproduced.
  • a device (only indicated here) connects to the stacking station 5 for removing sample and error sheets and an inventive Device 6 for braking the sample and error sheets, which further is described in detail below.
  • the sheet processing machine 1 works as follows:
  • a sheet 8 to be processed is removed from the stack 3.1 by the Separation unit 3.4 removed and to the transport unit 3.5 to hand over. As already mentioned, this transfers the sheet to the Pre-gripper 2.4, which in turn passes it to the feed drum 2.3. The arc is then by the printing units 2a, 2 'via the printing cylinders 2.1 and Sheet transfer device 2.5 passed through and printed.
  • the sheet 8 is from the last printing cylinder to a passing one Hand over the gripper system 4.15 to the chain conveyor 4.1.
  • the grippers 4.16 open to transfer the sheet 8 to the sheet brake 4.9 if a trailing section of the sheet 8 located above the bow brake 4.9.
  • the bow brake conveys the bow 8 a lowering speed compared to the processing speed and releases it after reaching it, so that a accordingly slowed sheet 8 finally in the stacking station 5 on the Front edge stops 5.2 hits and aligned with this and on the trailing edge stops 5.3 opposite these together with previous and / or subsequent sheet forms the stack 5.1, the is lowered as the stack grows.
  • the sample and error sheet has a vertical stop 6.1 for the respective one Bow 8 and one upstream of the stop 6.1, on a bow guide 6.3 seated roller 6.2 for gripping the sheet between sheet guiding part 6.3 and roller 6.2 braking the same in the direction of the stop 6.1 and to hold the same after springing back on the stop 6.1.
  • the Roller 6.2 preferably consists of an elastic material, which one provides a high coefficient of friction, especially made of rubber. Your Longitudinal axis is designated 6.8.
  • the roller 6.2 is in the direction of the sheet guiding part 6.3 and against Transport direction 7.1 of the sheet biased and over a partial circumference of comprises more than 180 ° of a calotte 6.4, which on its roller 6.2 opposite side with respect to the transport direction 7.1 of the sheet has rising slope 6.5 and slidable on this at one stationary guide part 6.6 is in support contact.
  • the angle of inclination ⁇ Slope 6.1 is e.g. between 10 ° and 30 °, in the shown Embodiment about 20 °.
  • the contact pressure of the roller 6.2 on the Sheet guiding part 6.3 can be adjusted via a vertically arranged adjusting screw 6.10, which is in operative contact with the calotte 6.4 via a helical spring 6.11.
  • the stop pressure of the roller 6.2 on the slope 6.5 is medium an adjusting screw arranged in a threaded bore 6.14 of the guide part 6.6 6.12 adjustable, which with a helical spring 6.13
  • the calotte 6.4 is in operative contact.
  • the device 6 also has a pivotable about a horizontal axis 7.3 Flap 6.7, which with the guide part 6.6 with the calotte 6.4 and the Roller 6.2 is connected.
  • the flap is 6.7 closed and locked by means of locking means (not shown).
  • the Set screw 6.10 to adjust the contact pressure of the roller 6.2 on the Bow guide part 6.3 is arranged in a threaded bore 6.15 of the flap 6.7, so that the contact pressure of the roller 6.2 during operation with the closed Flap 6.7 is adjustable.
  • a discharged sheet 8 approaches the roller 6.2 in the transport direction 7.1.
  • the roller 6.2 is at rest. As soon as the leading end 8.1 of the sheet 8 comes into contact with the roller 6.2, this is raised according to the thickness s of the sheet 8 against the vertical bias F V and thereby and according to the thickness of the sheet 8 against the horizontal bias F H along the slope 6.5 shifted in the transport direction 7.1 of the sheet 8.
  • the roller 6.2 is set in rotation by the sheet 8 and is guided in the direction of the stop 6.1 while braking the same.
  • the latter After complete absorption of the kinetic energy of the arch 8 is located the latter, for example, in the position shown in FIG. 7 and can by lifting the roller 6.2 (e.g. by swinging away the in Fig. 2, 3 shown flap) can be removed.
  • the frictional forces required to absorb the kinetic energy of the sheet 8 between the sheet and the roller 6.2 can be adjusted by varying the pretensions F V and F H. By selecting the angle ⁇ , the longitudinal displacement of the roller 6.2 induced by the thickness s of the respective arc 8 and thus also the desired braking effect of the roller 6.2 can be set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Discharge By Other Means (AREA)
EP01102786A 2000-03-07 2001-02-09 Dispositif pour freiner des feuilles d'essai ou défectueuses dans une machine de traitement de feuilles Expired - Lifetime EP1136409B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10010971A DE10010971A1 (de) 2000-03-07 2000-03-07 Vorrichtung zum Abbremsen von Probe- und Fehlerbogen einer Bogen verarbeitenden Maschine
DE10010971 2000-03-07

Publications (3)

Publication Number Publication Date
EP1136409A2 true EP1136409A2 (fr) 2001-09-26
EP1136409A3 EP1136409A3 (fr) 2003-06-25
EP1136409B1 EP1136409B1 (fr) 2004-07-14

Family

ID=7633766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01102786A Expired - Lifetime EP1136409B1 (fr) 2000-03-07 2001-02-09 Dispositif pour freiner des feuilles d'essai ou défectueuses dans une machine de traitement de feuilles

Country Status (5)

Country Link
US (1) US6471205B2 (fr)
EP (1) EP1136409B1 (fr)
JP (1) JP2001294354A (fr)
AT (1) ATE271011T1 (fr)
DE (2) DE10010971A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109677984A (zh) * 2019-01-16 2019-04-26 王桂芳 一种折页机中的旋转减速装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6685368B1 (en) * 2002-10-28 2004-02-03 Hewlett-Packard Development Company, L.P. Printing system having output sampling feature
DE10348827A1 (de) * 2002-10-31 2004-05-13 Heidelberger Druckmaschinen Ag Bogenverarbeitende Maschine mit einer Bogenbremse
JP4338077B2 (ja) 2003-07-31 2009-09-30 株式会社日本コンラックス 紙幣処理装置
US7597319B2 (en) * 2005-05-20 2009-10-06 Hewlett-Packard Development Company, L.P. Sheet handling using a ramp and grippers on an endless belt
US7946581B2 (en) * 2008-07-21 2011-05-24 Burroughs Payment Systems, Inc. Adjustable force pinch roller
DE102009034853A1 (de) * 2008-09-23 2010-03-25 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Ausschleusung von Fehlbogen am Anleger einer Verarbeitungsmaschine

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Publication number Priority date Publication date Assignee Title
DE2013137A1 (de) * 1970-03-19 1971-09-30 Polygraph Leipzig Bremsvorrichtung zum abbremsen von bogen
US3741536A (en) * 1971-07-13 1973-06-26 E Anderson Register bar for printing press sheet conveyors
DE7219031U (de) * 1972-05-20 1972-08-10 Gremser F Kg Bogenausleger
US4163550A (en) * 1977-08-10 1979-08-07 Am International, Inc. Pressure roller assembly
US4824091A (en) * 1982-07-07 1989-04-25 Xerox Corporation Sheet collection devices and sheet processors utilizing same
JPH0818742B2 (ja) * 1986-12-03 1996-02-28 富士ゼロックス株式会社 用紙スタツク装置
DE3940960A1 (de) * 1989-12-12 1991-07-11 Jagenberg Ag Verfahren und vorrichtung zum abbremsen von auf einen stapel abzulegenden boegen, insbesondere papier- oder kartonboegen
US5249791A (en) 1992-06-18 1993-10-05 Heidelberg Harris Gmbh Arrangement for braking printed products in a fan delivery of a folder
DE4229425A1 (de) * 1992-09-03 1994-03-10 Kodak Ag Vorrichtung zum stapelweisen Ablegen und Ausrichten von einzeln zugeführten Blättern
DE4235391C2 (de) * 1992-10-21 1996-02-01 Roland Man Druckmasch Bremsvorrichtung in einem Falzapparat und Verfahren zum Betreiben der Bremsvorrichtung
US5499809A (en) * 1994-05-26 1996-03-19 Kabushiki Kaisha Ace Denken Bank note conveying apparatus
JP3442491B2 (ja) * 1994-08-19 2003-09-02 株式会社リコー 画像読取装置
DE19733450A1 (de) * 1997-08-02 1999-02-04 Eastman Kodak Co Vorrichtung zum stapelweisen Ablegen und Ausrichten von einzeln zugeführten Blättern
DE19933064B4 (de) * 1999-07-15 2007-11-15 Koenig & Bauer Aktiengesellschaft Einrichtung zum Anlegen von Bogen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109677984A (zh) * 2019-01-16 2019-04-26 王桂芳 一种折页机中的旋转减速装置

Also Published As

Publication number Publication date
ATE271011T1 (de) 2004-07-15
DE50102827D1 (de) 2004-08-19
DE10010971A1 (de) 2001-09-13
US20010022426A1 (en) 2001-09-20
JP2001294354A (ja) 2001-10-23
EP1136409A3 (fr) 2003-06-25
EP1136409B1 (fr) 2004-07-14
US6471205B2 (en) 2002-10-29

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