US20060244204A1 - Sheet brake for a press - Google Patents

Sheet brake for a press Download PDF

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Publication number
US20060244204A1
US20060244204A1 US11/413,722 US41372206A US2006244204A1 US 20060244204 A1 US20060244204 A1 US 20060244204A1 US 41372206 A US41372206 A US 41372206A US 2006244204 A1 US2006244204 A1 US 2006244204A1
Authority
US
United States
Prior art keywords
sheet
speed
printing material
braking
brake
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.)
Abandoned
Application number
US11/413,722
Other languages
English (en)
Inventor
Andreas Bottger
Michael Diews
Sven Lippardt
Stefan Maier
Albert Maul
Frank Schramm
Malte Seidler
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
Assigned to HEIDELBERGER DRUCKMASCHINEN AKTIENGESELLSCHAFT reassignment HEIDELBERGER DRUCKMASCHINEN AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MAIER, STEFAN, BOTTGER, ANDREAS, DIEWS, MICHAEL, LIPPARDT, SVEN, MAUL, ALBERT, SCHRAMM, FRANK, SEIDLER, MALTE
Publication of US20060244204A1 publication Critical patent/US20060244204A1/en
Abandoned 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
    • B65H29/68—Reducing the speed of articles as they advance
    • B65H29/686—Pneumatic brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/09—Function indicators indicating that several of an entity are present
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5124—Stretching; Tentering
    • B65H2301/51242—Stretching transversely; Tentering
    • 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
    • B65H2406/32—Suction belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/24—Calculating methods; Mathematic models
    • B65H2557/242—Calculating methods; Mathematic models involving a particular data profile or curve
    • 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-sheet brake for a press and has braking elements diverging in the sheet running direction in order to tauten the printing material sheets transversely.
  • the sheet brake for a press has braking elements diverging in the sheet running direction in order to tauten the printing material sheets transversely.
  • the braking elements are driven so as to circulate at a nonuniform speed.
  • the braking elements revolve at a nonuniform speed with a uniform printing or machine speed of the press.
  • the braking elements in sheet contact with the incoming printing material sheets are periodically accelerated and retarded again.
  • the speed profile of the speed of circulation of the sheet brake resulting from this guarantees a particularly high efficiency of the transverse tautening. This is because trials have resulted in the surprising effect that the transverse sheet tautening effected by the divergent oblique alignment of the braking elements is boosted noticeably by the dynamic cyclic operation of the sheet brake.
  • the braking elements are mounted in two braking modules and the sheet brake contains only these two braking modules, that is to say no further braking module.
  • the braking elements are constructed as endless bands or belts.
  • the sheet brake or its motor has a control link to a control device, which controls the nonuniform speed in accordance with a specific speed profile.
  • the invention also includes a press equipped therewith and a control method for the speed control of the sheet brake.
  • FIG. 1 is a diagrammatic, side-elevational view of a press having a sheet brake according to the invention
  • FIG. 2 is a diagrammatic, plan view of the sheet brake
  • FIG. 3 is a graph showing a speed profile of the sheet brake.
  • FIG. 4 is a graph showing an alternative speed profile of the sheet brake.
  • the press 1 contains a sheet deliverer 2 having a chain conveyor 3 and a sheet brake 4 disposed under the latter.
  • the chain conveyor 3 has gripper bars 5 for holding printing material sheets 6 firmly at their leading edges.
  • the sheet brake 4 brakes the printing material sheets 6 and, in the process, tautens them transversely with respect to a sheet running direction 7 , before the printing material sheets 6 are deposited on a delivery stack 8 .
  • FIG. 2 shows that the sheet brake 4 contains only a first braking module 9 and a second braking module 10 and no further braking module.
  • the first braking module 9 makes contact with the one printed image-free side edge 11 of the printing material sheet 6
  • the second braking module 10 makes contact with the other.
  • the printing material sheet 6 is unsupported or self-supporting over its width.
  • Each braking module 9 , 10 has at least one braking element 14 , 15 which circulates about two geometric axes 12 , 13 and which, at least in some sections, is aligned obliquely with respect to the sheet running direction 7 .
  • the braking elements 14 , 15 circulate in the counterclockwise direction.
  • the braking elements 14 , 15 can be in the form of bands or belts.
  • each braking element 9 , 10 has two round belts guided in parallel as the braking elements 14 , 15 , the braking runs of the round belts that make contact with the printing material sheets 6 during braking and transverse tautening being sections of the braking elements 14 , 15 aligned obliquely with respect to the sheet running direction 7 .
  • each braking element 14 of the first braking module 9 is inclined with respect to the left-hand sheet side edge at an angle of inclination to be measured relative to the sheet running direction and amounting to a few degrees.
  • each braking element 15 of the second braking module 10 is aligned with respect to the right-hand sheet side by an angle of inclination which is just as large but has the opposite sign. Consequently, the braking elements 14 , 15 diverge and effect the transverse tautening of the printing material sheet 6 via a frictional connection.
  • the braking modules 9 , 10 in each case contain a suction opening 16 to which vacuum can be applied in order to attract the printing material sheet 6 onto the braking elements 14 , 15 by suction.
  • FIG. 3 shows a graph whose abscissa depicts time t and whose ordinate depicts speed v.
  • the conveying speed of the printing material sheet 6 sheet speed v S
  • the speed of circulation of the sheet brake 4 brake speed V B
  • the maximum sheet speed which corresponds to what is known as the machine speed and the speed of circulation of the chain conveyor 3 is designated v S/max .
  • the minimum sheet speed v S/men is zero and is inherent in the printing material sheet 6 when it is lying on the delivery stack 8 .
  • the printing material sheet 6 is attracted by the suction openings 16 and, consequently, brought into contact with the braking elements 14 , 15 which, at this time, are circulating at the maximum brake speed V B/max , which is lower than the maximum sheet speed v S/max or could be equal to the maximum sheet speed v S/max .
  • the curve point A designates what is known as the jumping time, at which the printing material sheet 6 jumps onto the sheet brake 4 .
  • the grippers of the gripper bar 5 open, so that the printing material sheet 6 is braked by friction by the sheet brake 4 between the curve point B and the curve point C.
  • the sheet brake 4 advantageously already tautens the printing material sheet 6 in the time interval between the curve points A and B, that is to say while the printing material sheet 6 is still held firmly at its leading edge by the gripper bar 5 and is transported in the sheet running direction 7 .
  • the sheet speed v S is exactly as high as the maximum brake speed v B/max .
  • a sliding phase 17 of the printing material sheet 6 in which the latter slides on the braking elements 14 , 15 with slippage in the sheet running direction 7 .
  • an adhesion phase 18 in which there is no speed difference in the sheet running direction 7 between the braking bands 14 , 15 and the printing material sheet 6 and adhesive friction is virtually present.
  • the adhesion phase 18 the lateral stretching (transverse tautening) of the printing material sheet 6 also takes place as a result of the braking elements 14 , 15 pulling the printing material sheet 6 apart laterally from inside to outside in the process.
  • the printing material sheet 6 leaves the sheet brake 4 and, at the curve point G, comes to rest on the delivery stack 8 .
  • the free flight phase 19 of the printing material sheet 6 in which the latter sinks down onto the delivery stack 8 .
  • the sheet brake 4 runs at the minimum brake speed v B/min , the curve point H designating the end of the clock cycle of the preceding printing material sheet and the start of the clock cycle of the following printing material sheet 6 .
  • the clock cycles of the dynamically driven sheet brake 4 are synchronized with what is known as the machine angle (rotary angular position) and the machine speed of the press by an electronic control device 20 (see FIG. 2 ).
  • the sheet brake 4 maintains its maximum brake speed v B/max .
  • the graph illustrated in FIG. 3 makes it clear that the braking elements 14 , 15 are accelerated to the maximum brake speed v B/max even before the respective gripper bar 5 has released the printing material sheet 6 to be braked and the latter has jumped onto the sheet brake 4 .
  • the sheet brake 4 conveys the printing material sheet 6 and brakes it with a defined retardation.
  • a control device 20 ensures that the printing material sheet is braked to the minimum brake speed v B/min , that is to say to what is known as the deposition speed of the printing material sheet 6 , before the force connection between the sheet brake 4 and the printing material sheet 6 is canceled.
  • the control device 20 drives a motor 21 driving the circulating movement of the sheet brake 4 (see FIG. 2 ) in accordance with the speed profile and, in the event of a change in the printing or machine speed, automatically adapts the curve of the brake speed v B to the latter and thus to the maximum sheet speed v S/max .
  • the advantage with the speed profile in FIG. 3 is that the printing material sheet 6 is tautened transversely in an optimum way by the sheet brake 4 at every time of its contact with the latter.
  • FIG. 4 In order to limit the jolt occurring within the movement of the sheet, a speed profile according to FIG. 4 can also be used.
  • the designations in FIG. 4 correspond to those in FIG. 3 with the same effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
US11/413,722 2005-04-28 2006-04-28 Sheet brake for a press Abandoned US20060244204A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005020251.9 2005-04-28
DE102005020251 2005-04-28

Publications (1)

Publication Number Publication Date
US20060244204A1 true US20060244204A1 (en) 2006-11-02

Family

ID=37194561

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/413,722 Abandoned US20060244204A1 (en) 2005-04-28 2006-04-28 Sheet brake for a press

Country Status (3)

Country Link
US (1) US20060244204A1 (ja)
JP (1) JP4948882B2 (ja)
CN (1) CN1854045B (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2930769A1 (fr) * 2008-04-30 2009-11-06 Goss Int Montataire Sa Dispositif de transport d'une feuille, dispositif de couple, presse d'impression et utilisation correspondants
US20110137815A1 (en) * 2008-08-01 2011-06-09 Shaklee Corporation Automated commission program with static titled room assignment
US9242825B2 (en) 2013-09-13 2016-01-26 Heidelberger Druckmaschinen Ag Apparatus for removing sheets
US20160096358A1 (en) * 2014-10-01 2016-04-07 Mueller Martini Holding Ag Print sheet brake
CN105480794A (zh) * 2014-10-01 2016-04-13 米勒·马蒂尼控股公司 用于印张的横向排出制动器

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830355A (en) * 1986-10-09 1989-05-16 Heidelberger Druckmaschinen Aktiegesellschaft Sheet transfer apparatus for rotary printing presses
US5133543A (en) * 1990-04-26 1992-07-28 Koenig & Bauer Aktiengesellschaft Sheet conveying apparatus
US5265867A (en) * 1992-05-08 1993-11-30 R. R. Donnelley & Sons Co. Signature conveyor with diverging belts and beveled edge support
US5265863A (en) * 1991-12-04 1993-11-30 Jagenberg Aktiengesellschaft System for slowing continuously arriving sheets before stacking
US5568919A (en) * 1994-07-12 1996-10-29 Heidelberger Druckmaschinen Ag Delivery system of a sheet-processing machine
US5611529A (en) * 1993-05-05 1997-03-18 Vits Maschinenbau Gmbh Device for stream feeding sheets onto a stack
US5649483A (en) * 1995-05-26 1997-07-22 Heidelberger Druckmaschinen Ag Device for the automatic singling-out of sheets in the delivery of a sheet-fed rotary printing press
US6056287A (en) * 1996-05-24 2000-05-02 Heidelberger Druckmaschinen Ag Device and method for depositing printed sheets on a stack without smearing
US20010026042A1 (en) * 2000-03-27 2001-10-04 Sven Kerpe Delivery for a sheet-processing machine, especially a rotary printing machine
US20020078843A1 (en) * 2000-11-30 2002-06-27 Christian Gorbing Method and apparatus for guiding and transferring a sheet in a printing machine
US6659453B2 (en) * 2001-03-28 2003-12-09 Heidelberger Druckmaschinen Ag Delivery for a machine processing flat printing materials
US20040124579A1 (en) * 2002-12-12 2004-07-01 Thomas Schafer Sheet-processing machine with a sheet brake
US20050092199A1 (en) * 2003-10-29 2005-05-05 Heidelberger Druckmaschinen Aktiengesellschaft Method and device for transversely tautening a print-carrier sheet and machine having the device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634952A (ja) * 1986-06-25 1988-01-09 Canon Inc インク供給装置
JPS63112362A (ja) * 1986-10-28 1988-05-17 Tokuda Minoru 板状物の積取り方法
DD281798A5 (de) * 1988-12-27 1990-08-22 Polygraph Leipzig Bogenleit- und -bremseinrichtung in auslagen von druckmaschinen
US5517737A (en) * 1994-06-06 1996-05-21 The Procter & Gamble Company Apparatus for continuously stretching or continuously releasing stretching forces from a web using two pairs of opposing non-planar belts
DE4435988A1 (de) * 1994-10-08 1996-04-11 Heidelberger Druckmasch Ag Vorrichtung zum Abbremsen von Bogen
DE19543963C1 (de) * 1995-11-25 1997-04-24 Roland Man Druckmasch Bogenauslegevorrichtung für eine Druckmaschine
US5634636A (en) * 1996-01-11 1997-06-03 Xerox Corporation Flexible object handling system using feedback controlled air jets
JP4050398B2 (ja) * 1998-08-31 2008-02-20 株式会社小森コーポレーション 枚葉輪転印刷機における吸引装置
DE19960351A1 (de) * 1999-12-14 2001-06-21 Heidelberger Druckmasch Ag Bogenbremssystem für einen Ausleger einer Bogen verarbeitenden Maschine
DE10110441A1 (de) * 2000-03-27 2001-10-11 Heidelberger Druckmasch Ag Vorrichtung zum Ausschleusen von Bogen aus einer flächige Bedruckstoffe verarbeitenden Maschine
US20050242494A1 (en) * 2004-05-03 2005-11-03 Heidelberger Druckmaschinen Ag Apparatus for conveying sheets through a printing machine

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830355A (en) * 1986-10-09 1989-05-16 Heidelberger Druckmaschinen Aktiegesellschaft Sheet transfer apparatus for rotary printing presses
US5133543A (en) * 1990-04-26 1992-07-28 Koenig & Bauer Aktiengesellschaft Sheet conveying apparatus
US5265863A (en) * 1991-12-04 1993-11-30 Jagenberg Aktiengesellschaft System for slowing continuously arriving sheets before stacking
US5265867A (en) * 1992-05-08 1993-11-30 R. R. Donnelley & Sons Co. Signature conveyor with diverging belts and beveled edge support
US5611529A (en) * 1993-05-05 1997-03-18 Vits Maschinenbau Gmbh Device for stream feeding sheets onto a stack
US5568919A (en) * 1994-07-12 1996-10-29 Heidelberger Druckmaschinen Ag Delivery system of a sheet-processing machine
US5649483A (en) * 1995-05-26 1997-07-22 Heidelberger Druckmaschinen Ag Device for the automatic singling-out of sheets in the delivery of a sheet-fed rotary printing press
US6056287A (en) * 1996-05-24 2000-05-02 Heidelberger Druckmaschinen Ag Device and method for depositing printed sheets on a stack without smearing
US20010026042A1 (en) * 2000-03-27 2001-10-04 Sven Kerpe Delivery for a sheet-processing machine, especially a rotary printing machine
US20020078843A1 (en) * 2000-11-30 2002-06-27 Christian Gorbing Method and apparatus for guiding and transferring a sheet in a printing machine
US6659453B2 (en) * 2001-03-28 2003-12-09 Heidelberger Druckmaschinen Ag Delivery for a machine processing flat printing materials
US20040124579A1 (en) * 2002-12-12 2004-07-01 Thomas Schafer Sheet-processing machine with a sheet brake
US7168699B2 (en) * 2002-12-12 2007-01-30 Heidelberger Druckmaschinen Ag Sheet-processing machine with a sheet brake
US20050092199A1 (en) * 2003-10-29 2005-05-05 Heidelberger Druckmaschinen Aktiengesellschaft Method and device for transversely tautening a print-carrier sheet and machine having the device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2930769A1 (fr) * 2008-04-30 2009-11-06 Goss Int Montataire Sa Dispositif de transport d'une feuille, dispositif de couple, presse d'impression et utilisation correspondants
WO2009138698A2 (fr) 2008-04-30 2009-11-19 Goss International Montataire Sa Dispositif de transport d'une feuille, dispositif de coupe, presse d'impression et utilisation correspondants
WO2009138698A3 (fr) * 2008-04-30 2010-01-14 Goss International Montataire Sa Dispositif de transport d'une feuille, dispositif de coupe, presse d'impression et utilisation correspondants
US8444131B2 (en) 2008-04-30 2013-05-21 Goss International Montataire Sa Sheet transporting device, cutting device, printing press and corresponding method
US20110137815A1 (en) * 2008-08-01 2011-06-09 Shaklee Corporation Automated commission program with static titled room assignment
US9242825B2 (en) 2013-09-13 2016-01-26 Heidelberger Druckmaschinen Ag Apparatus for removing sheets
US20160096358A1 (en) * 2014-10-01 2016-04-07 Mueller Martini Holding Ag Print sheet brake
CN105480794A (zh) * 2014-10-01 2016-04-13 米勒·马蒂尼控股公司 用于印张的横向排出制动器
CN105480746A (zh) * 2014-10-01 2016-04-13 米勒·马蒂尼控股公司 印张制动器
US9969155B2 (en) * 2014-10-01 2018-05-15 Mueller Martini Holding Ag Print sheet brake
US9969156B2 (en) 2014-10-01 2018-05-15 Mueller Martini Holding Ag Transverse sheet withdrawal brake

Also Published As

Publication number Publication date
JP4948882B2 (ja) 2012-06-06
JP2006306623A (ja) 2006-11-09
CN1854045B (zh) 2010-04-14
CN1854045A (zh) 2006-11-01

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Legal Events

Date Code Title Description
AS Assignment

Owner name: HEIDELBERGER DRUCKMASCHINEN AKTIENGESELLSCHAFT, GE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BOTTGER, ANDREAS;DIEWS, MICHAEL;LIPPARDT, SVEN;AND OTHERS;REEL/FRAME:017840/0809;SIGNING DATES FROM 20060330 TO 20060404

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION