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EP1006068A2 - Dispositif de sortie d'une machine à traiter des feuilles - Google Patents

Dispositif de sortie d'une machine à traiter des feuilles Download PDF

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Publication number
EP1006068A2
EP1006068A2 EP99122013A EP99122013A EP1006068A2 EP 1006068 A2 EP1006068 A2 EP 1006068A2 EP 99122013 A EP99122013 A EP 99122013A EP 99122013 A EP99122013 A EP 99122013A EP 1006068 A2 EP1006068 A2 EP 1006068A2
Authority
EP
European Patent Office
Prior art keywords
sheet
blown air
air curtain
deflection area
grippers
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
EP99122013A
Other languages
German (de)
English (en)
Other versions
EP1006068A3 (fr
EP1006068B1 (fr
Inventor
Frank Gunschera
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 EP1006068A2 publication Critical patent/EP1006068A2/fr
Publication of EP1006068A3 publication Critical patent/EP1006068A3/fr
Application granted granted Critical
Publication of EP1006068B1 publication Critical patent/EP1006068B1/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
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a pile
    • 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
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/042—Intermediate conveyors, e.g. transferring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/446—Assisting moving, forwarding or guiding of material
    • B65H2301/4461—Assisting moving, forwarding or guiding of material by blowing air towards handled material
    • 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
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a boom of a sheet processing machine, in particular a printing press, with rows of grippers which hold the sheets operationally pull along a conveyor line, endless conveyor chains, which operationally pass through the boom in one direction of rotation and carry the rows of grippers, a pair around a common axis of rotation rotatable sprockets, which are in engagement with the conveyor chains and form a deflection area of the conveyor line and with a blown air source, which ejects an air curtain, by means of which the bow deflection area passing arches on their side facing the axis of rotation are acted upon.
  • Such a cantilever is, for example, from US 5,456,178 known.
  • the invention has for its object a boom of the beginning mentioned type so that unfavorable influences on the part of Blowing air curtain on a quiet run of the bow deflection area passing arch is counteracted.
  • An advantageous embodiment provides that the blowing direction of the Blown air curtain of the direction of travel that passes through the sheet deflection area Bow tends to be opposite, so the blowing direction is one of the Direction of travel of the conveyor chains passing the deflection area has opposite component.
  • This allows for one preferred intended impingement of the blowing air curtain in one to one arch pulling gripper immediately adjacent area of this arch Blowing air over almost all of the same Extension in the running direction of the sheet without the blowing air curtain even before hitting the arch one of its extension in whose direction of travel largely correspond to the extent got to.
  • the blown air source can therefore be made correspondingly small, so that it is favorable by means of only one transverse to the direction of travel arranged nozzle row can be formed.
  • the Blowing direction of the blown air curtain is adjustable so that the blown air curtain Arc deflection area at an adjustable distance from the conveyor line happens, and that the blowing air curtain the arc deflecting area in one adjustable phase angle to the grippers happens.
  • the blown air source Blown air curtain ejects clocked. This allows the output of the Blown air curtain can be limited to a period in which the Blown air curtain the sheet deflection area in the same sense as the gripper happens so that any unwanted outside of Flow deflection area occurring flow conditions in the vicinity of the funded sheets can be avoided.
  • a boom 1 closes in the Processing direction to a last processing station of the printing press on.
  • a processing station can be a printing unit or a Post-treatment plant, such as a coating unit.
  • the last processing station is an im Printing unit 2 working with offset method with a printing cylinder 2.1. This guides a respective arc 3 in a direction of rotation arrow 5 indicated processing direction by a pressure gap between the Printing cylinder 2.1 and a cooperating blanket cylinder 2.2 and then transfers it to a row of grippers in the present example a single-speed transfer drum 2.3 while opening one on the pressure cylinder 2.1 arranged to grasp the sheet 3 on a gripper edge on leading end of the sheet 3 provided gripper row.
  • a respective one Conveyor chain wraps around one of two synchronously driven conveyors Drive sprockets 7, whose axes of rotation are aligned, and is in The present example has one each relative to the drive sprockets 7 downstream with respect to the processing direction Deflection sprocket 8 guided so that a respective one of the conveyor chains 6 a runs through a closed chain conveyor.
  • gripper bridges 9 carried by these with grippers 9.1, which Gaps between the grippers arranged on the transfer drum 2.4 drive through and in doing so a respective sheet 3 while detecting the above Gripper edge at the leading end of the sheet 3 immediately before Open the gripper arranged on the transfer drum 2.4, take it over over a sheet guiding device 10 to a braking station 11 transport and after handing over the sheet 3 to the Open brake station 11.
  • the sheets 3 are on a reduced compared to the processing speed Storage speed slowed down and finally reached after reaching it released so that a respective now slowed sheet 3 finally impinges on leading edge stops 12 and aligns them with and on these opposite trailing edge stops 13 together with preceding and / or following sheet 3 forms a stack 14, which can be lowered to the extent that the stack 14 by means of a lifting mechanism grows.
  • the hoist only one is the stack 14 in FIG. 1 load-bearing platform 15 and this load-bearing, dash-dotted lines Lift chains 16 reproduced.
  • the conveyor chains 6 are along their paths between the Drive sprockets 7 on the one hand and the deflection sprockets 8 on the other hand guided by means of chain guide rails, not shown, which the Determine chain runs of the chain runs.
  • the one traversed by the chain center which is mainly below Section of the chain track follows one facing this at the Sheet guiding device 10 formed sheet guiding surface 17. Between this and the respective arc 3 passed over is preferably operationally on Air cushion formed.
  • the sheet guiding device 10 is included in the Sheet guiding surface equipped 17 blowing air nozzles, of which in Fig. 1 is only a representative of their entirety, and in symbolic Representation in the form of the nozzle 18 is reproduced.
  • Coolant pan 23 is indicated.
  • the mentioned conveying route has a horizontal one Section, one opposite this upstream to the horizontal section rising branch and one opposite the latter upstream bow deflection area 24, even if the sheets are only printed on one side, so this is a problematic area represents, as this uncontrolled movements without further measures can carry out a smearing of freshly printed ink can bring about.
  • Another of the measures mentioned is based on the Arc deflection area 24 passing arc 3 a supporting this Blow air curtain 25 to align. This is from a blown air source 26 ejected, which, in contrast to the boom mentioned at the beginning, does not is arranged in a fixed position but the sheet deflection area 24 in the same sense how the gripper 9.1 happens.
  • the blowing air curtain 25 the Arc deflection area 24 passes synchronously with the grippers 9.1 there is a particularly simple construction of the sheet conveyor, namely that provided in the present embodiment, the blown air source 26 a Unit with the sprocket pair formed by the drive sprockets 7 forms.
  • the blown air source 26 is preferably using a parallel to the Rotation axis of the drive sprockets 7 arranged tube 26.1 formed, which in the longitudinal direction a number of Blown air openings 26.2, one of which can be seen in Fig. 2a.
  • the Preference of such a blown air source 26 closes but not out of the sheet deflection area 24 in the sense mentioned passing blowing air curtain 25 from a different design To expel blown air sources.
  • the two drive sprockets 7 are non-rotatable with an axle 27.1 and 27.2 having sprocket axle 27 connected.
  • the sprocket axle 27 carries one in whose circumferential direction adjustable non-positively connected to this Hub 28.
  • spokes 29 in their longitudinal direction adjustably fastened, in the present example half-speed Drive sprockets 7 two spokes 29 for each hub 29. Due to the half-speed
  • the design of the drive sprockets 7 are - as in particular in FIG. 3 recognizable - two blown air sources 26 are provided, of which one in each is already formed by means of a tube 26.1.
  • the respective tube 26.1 is at the ends of each tube 26.1 outstanding pin 30 closed.
  • a respective to the axis of rotation of the Drive sprockets 7 parallel bore in the respective radially outer End of the spokes 29 each take one of these pins 30 in the bore slidable on a respective such assembled to form a Blown air source tube 26.1 is used with respect to its longitudinal axis rotatable, and a certain rotational position of the same is by means of at least one of the spokes carrying the tube 26.1 inserted and onto one of the Pin 30 acting clamping screw 31 fixable.
  • blowing direction that of the blown air source 26 - here the mentioned blow nozzle row having pipe 26.1 - operationally ejected blown air curtain adjustable and is preferably set so that it the direction of the Arc deflecting area 24 passing arc tends to be opposite.
  • the blown air source 26 and the drive sprockets 7 explained so far Comprehensive unit forms a drum body 32 which by means of Axle journal 27.1 and 27.2 rotatable in side walls 33 and 34 of the Sheet conveyor 1 provided bearing holes 33.1 and 34.1 added is.
  • the sprocket axle 27 is so hollow that in Axle journal 27.1 communicating with the bearing bore 33.1 Cavity 35 results.
  • this is realized in that the sprocket axis 27 from a tube 27 'and the ends of which are welded on axle sections 27 '' and 27 '' ' is composed, of which the axle section 27 '' with one in the Pipe 27 'opening through hole forming the cavity 35 is provided.
  • the axle journal 27.1 projects only to a part of the depth of the bearing bore 33.1 in this into it and the end of the chain wheel axis 27 facing away from the Bearing bore 33.1 is closed by a cover 36, one Has connecting nipple 37, via which the bearing bore 33.1 to one Compressed air generator 38 can be connected.
  • the circulating blown air sources 26 can be supplied with compressed air without the need for a rotating union.
  • the grippers 9.1 in turn pass through the sheet deflection area 24 operational rotation of the drum body 32, which in particular the Drive sprockets 37 includes those of the gripper bridges 9 carrying Conveyor chains 6 are wrapped.
  • the cantilever set out in this regard also proves, as explained below particularly advantageous for other reasons.
  • the sheet guiding device 10 is received Sheet roller 41 ahead, usually in the case of single-sided printing Bow - here on the side facing away from the sheet guiding device 10 the bow - is used and the bows by means of a Negative pressure in a perpendicular to both side edges of the sheet Unrolling gap pulls into this.
  • the negative pressure mentioned however only fully effective in this sense when the respective bow turns to the Sheet roller 41 has created. Because the latter is usually in close Is arranged adjacent to the outlet area of the sheet deflection area, the application of the sheet 3 to the sheet unwind 41 by the Favored arc deflection area 24 passing blowing air curtain 25.
  • the preferred design of the Blown air source 26 in the form of the tube 26.1 carried by the spokes 29 Advantages of good accessibility of the sheet deflection area 24 Cleaning purposes and good visibility of the Sheet deflection area 24, which is printed in particular on both sides in the case Bow is extremely helpful in adjusting the pneumatic actable sheet guide device 10 '.
  • the adjustability of the blown air source 26 with respect to the Parameter blowing direction of the blowing air curtain 25, distance of the Blown air source 26 to the conveyor path in the sheet deflection area 24 and Phase angle ⁇ of the blown air source 26 to the arc deflection area 24 passing grippers 9.1 such an adjustment of the spatial position of the Blown air curtain 25 relative to the drum body 32 that a Compromise on the effect of the blowing air curtain 25 on sheets different basis weights and different stiffness results. It can of course also only a few of the parameters mentioned for a plurality various types of print jobs can be retained.
  • Another way of influencing the effect of the blowing air curtain consists in supplying the pressure of the compressed air supplied to the blown air source 26 change. This is indicated in FIG. 3 with the adjustable throttle 42.
  • FIG. 4 is an embodiment for a clocked output of the Blown air curtain 25 indicated from the blown air source 26, namely on Example of the blown air source 26 and the two drive sprockets 7 comprehensive unit in the form of a drum body 32 ', which although the 3 is basically the same, but in this respect deviates when this is half-turn and that of FIG. 4 is one-turn and thus only has a pipe 26.1 representing the blown air source 26.
  • this is the embodiment 3 corresponding bearing bore 33.1 with the compressed air generator 38 Can be connected via a switching valve 43, which here is, for example, mechanically by means of an operationally synchronously rotating drum body 32 ' Control curve 44 is alternately opened and closed.
  • the switching valve 43 is open when the blowing air source 26 Arc deflection area 24 happens.
  • Pipes 26.1 with compressed air is made in an analogous manner and with a related one Modification of the drum body 32 and its connection to the Compressed air generator 38 realizes that the two operationally one Blown air curtain 25 ejecting tubes 26.1 independently of one another Compressed air generator 38 can be connected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Manipulator (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
EP99122013A 1998-12-03 1999-11-11 Dispositif de sortie d'une machine à traiter des feuilles Expired - Lifetime EP1006068B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19855713 1998-12-03
DE19855713 1998-12-03

Publications (3)

Publication Number Publication Date
EP1006068A2 true EP1006068A2 (fr) 2000-06-07
EP1006068A3 EP1006068A3 (fr) 2001-04-04
EP1006068B1 EP1006068B1 (fr) 2003-09-10

Family

ID=7889794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122013A Expired - Lifetime EP1006068B1 (fr) 1998-12-03 1999-11-11 Dispositif de sortie d'une machine à traiter des feuilles

Country Status (5)

Country Link
US (1) US6401611B1 (fr)
EP (1) EP1006068B1 (fr)
JP (1) JP4633877B2 (fr)
AT (1) ATE249384T1 (fr)
DE (2) DE59906937D1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004053099B4 (de) * 2003-11-18 2016-12-22 Heidelberger Druckmaschinen Ag Verfahren zur Glättung eines Bogens aus Bedruckstoff
JP4709605B2 (ja) * 2004-07-27 2011-06-22 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 被印刷体からなる枚葉紙を処理する機械
DE102006049648A1 (de) * 2006-10-20 2008-04-24 Heidelberger Druckmaschinen Ag Verfahren zum Steuern eines Puderbestäubers
CN101269760B (zh) * 2007-03-23 2011-11-16 海德堡印刷机械股份公司 收纸滚筒及双面印刷机
JP2008279754A (ja) * 2007-04-09 2008-11-20 Dainippon Screen Mfg Co Ltd 印刷機
US20080265493A1 (en) * 2007-04-30 2008-10-30 Robert Wall Air delivery device for printing and coating applications
DE102009000219A1 (de) * 2009-01-14 2010-07-15 Koenig & Bauer Aktiengesellschaft Auslage einer bogenverarbeitenden Maschine mit einem Bogenfördersystem zum Übernehmen der Bogen von einem Bogenführungszylinder

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986455A (en) * 1973-10-31 1976-10-19 Heidelberger Druckmaschinen Aktiengesellschaft Sheet guiding drum for printing presses
DE3939209A1 (de) * 1988-12-14 1990-06-21 Polygraph Leipzig Bogenleiteinrichtung im auslagetrommelbereich von druckmaschinen
US5456178A (en) * 1992-12-30 1995-10-10 Heidelberger Druckmaschinen Ag Printing machine with sheet-guiding surface
US5626075A (en) * 1994-01-17 1997-05-06 Heidelberger Druckmaschinen Ag Sheet guiding cylinder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017417B2 (de) 1970-04-11 1972-07-20 Maschf Augsburg Nuernberg Ag Bogenübergabetrommel an Bogenrotationsoffsetdruckmaschinen
JPH025950Y2 (fr) * 1981-02-03 1990-02-14
DE8437444U1 (de) * 1984-12-21 1985-03-21 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Blaseinrichtung an der kettenauslage von rotationsdruckmaschinen
US4919048A (en) * 1986-08-01 1990-04-24 Tyler Jack D Apparatus for preventing contact of wet ink sheets with printing press delivery mechanisms and for drying said wet ink
JPH0742723Y2 (ja) * 1987-03-05 1995-10-04 株式会社小森コーポレーション 枚葉輪転印刷機の紙搬送装置
US4836104A (en) * 1987-06-05 1989-06-06 Duarte Products, Inc. Sheet transfer mechanism for a freshly printed sheet
DE4223839C1 (de) * 1992-07-20 1993-12-23 Heidelberger Druckmasch Ag Bogenführungszylinder einer Druckmaschine
DE4436955C2 (de) 1994-10-15 1999-11-11 Roland Man Druckmasch Vorrichtung zum berührungslosen Bogentransport
JP2786433B2 (ja) * 1995-12-15 1998-08-13 エム アー エヌ ローラント ドルツクマシーネン アクチエンゲゼルシヤフト 印刷機用の枚葉紙を案内する胴

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986455A (en) * 1973-10-31 1976-10-19 Heidelberger Druckmaschinen Aktiengesellschaft Sheet guiding drum for printing presses
DE3939209A1 (de) * 1988-12-14 1990-06-21 Polygraph Leipzig Bogenleiteinrichtung im auslagetrommelbereich von druckmaschinen
US5456178A (en) * 1992-12-30 1995-10-10 Heidelberger Druckmaschinen Ag Printing machine with sheet-guiding surface
US5626075A (en) * 1994-01-17 1997-05-06 Heidelberger Druckmaschinen Ag Sheet guiding cylinder

Also Published As

Publication number Publication date
DE59906937D1 (de) 2003-10-16
JP4633877B2 (ja) 2011-02-16
US6401611B1 (en) 2002-06-11
DE19954554A1 (de) 2000-06-08
ATE249384T1 (de) 2003-09-15
EP1006068A3 (fr) 2001-04-04
EP1006068B1 (fr) 2003-09-10
JP2000168048A (ja) 2000-06-20

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