EP2583924A2 - Machine de traitement de feuilles avec alimenteur de feuilles doté d'un module à bande d'aspiration - Google Patents

Machine de traitement de feuilles avec alimenteur de feuilles doté d'un module à bande d'aspiration Download PDF

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Publication number
EP2583924A2
EP2583924A2 EP12184165.4A EP12184165A EP2583924A2 EP 2583924 A2 EP2583924 A2 EP 2583924A2 EP 12184165 A EP12184165 A EP 12184165A EP 2583924 A2 EP2583924 A2 EP 2583924A2
Authority
EP
European Patent Office
Prior art keywords
sheet
processing machine
sheet processing
speed
machine according
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
EP12184165.4A
Other languages
German (de)
English (en)
Other versions
EP2583924A3 (fr
EP2583924B1 (fr
Inventor
Markus Belmann
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 EP2583924A2 publication Critical patent/EP2583924A2/fr
Publication of EP2583924A3 publication Critical patent/EP2583924A3/fr
Application granted granted Critical
Publication of EP2583924B1 publication Critical patent/EP2583924B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H11/00—Feed tables
    • B65H11/002—Feed tables incorporating transport belts
    • B65H11/005—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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • 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
    • B65H9/16—Inclined tape, roller, or like article-forwarding side registers
    • B65H9/163—Tape
    • 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
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • 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

Definitions

  • the invention relates to a sheet processing machine with sheet feeder with Saugbandmodul according to claim 1.
  • a transport device for conveying and simultaneously aligning sheet material is from the DE 34 10 029 known.
  • the slightly slanted against the straightedge conveyor belt is provided with a plurality of openings, which are arranged above a suction opening open to the openings.
  • the sheet-shaped material placed on the conveyor belt is held on the conveyor belt by the generated suction effect and transported to the leveling bar in order to precisely align it for the subsequent further processing steps.
  • Another generic device is from the DE 44 21 918 known.
  • the conveyor belt has on its bow-carrying upper side at least on the straight edge facing the transverse groove open, that the upper run of the conveyor belt runs in an open-topped guide channel whose top is at the same height as the top of the conveyor belt, and the open side of the transverse grooves is in fluid communication with the air intake device.
  • the DE 10 2004 022 141 A1 describes a device for conveying and simultaneously aligning sheets, with a straightedge and at least one in the sheet running direction slightly inclined to the directional ruler facing arranged conveyor belt and an air intake, said conveyor belt has open transverse grooves on its top carrying the sheet.
  • the upper run of the conveyor belt runs in an open-top guide channel and the transverse grooves are with the air intake in Flow connection, wherein control means are provided, for controlling the air supply in the region of the transverse grooves.
  • the speeds of circulating belts of a feed table and first folding rollers or upstream cutter shafts are in a fixed relationship to one another. This is due to a constant mechanical coupling of the respective units with a common drive.
  • the speed of the signature is equal to the rotational speed of the rotary tools, i. the folding rollers or the upstream cutter shafts. This is achieved according to the prior art so that the running speed of the conveyor belts of the alignment table due to a corresponding gear ratio is always greater than the rotational speed of the rotary tools.
  • the slip between the sheets and the conveyor belts is varied.
  • the slip is dependent on the frictional force between the conveyor belt and the sheet and results inter alia from the sheet format, the weight of the sheet, the nature of the surface, the normal force on the sheet, etc.
  • To the effective slip and thus the actual Adjusting the speed of the sheet on the conveyor belts usually changes the normal force by varying the number of hold-down balls or, in the case of suction belts, by varying the suction force of the air intake device.
  • the object of the present invention is therefore to further develop a sheet processing machine with a sheet feeder with suction belt module so that the adaptation of the sheet-actual speed in the area of the sheet feeder is substantially simplified.
  • This object is achieved by a sheet processing machine having the features of claim 1.
  • the alignment table has a first measuring device for determining the sheet-actual speed (or in alternative notation: actual arc speed) and the processing station a second measuring device for determining the circumferential or rotational speed of the at least one rotary tool. If the rotational speed or a rotational speed is determined by the second measuring device, then the peripheral speed of the rotary tool is calculated on its effective surface.
  • Both the first measuring device and the second measuring device and the suction belt module are connected to a computer, which comprises an evaluation unit and the machine control. It is advantageous that here the actual sheet speed, the actual sheet speed is measured and not the known speed of the suction belt is used. Due to slippage between the suction belt and the bow, their speeds differ. According to the invention, a more precise speed control is thus made possible.
  • the sheet processing machine has for this purpose connected to the control computer display / display either for Display of actual bow speed and circumferential or rotational speed or to display the difference between actual bow speed and circumferential or rotational speed. Based on this display, the machine operator can vary the actual bow speed by means of an operating element of the sheet processing machine in such a way that the speed difference is corrected, for example by varying the suction force of the suction belt module.
  • the suction belt module is controlled by the computer such that the actual arc speed and the peripheral speed of the at least one rotary tool are approximately equal.
  • the computer has a program for adjusting the speed and the suction power of the suction belt can be changed.
  • Such a sheet processing machine has the advantage that the adjustment of the sheet speed can be performed automatically without adding to the machine operator. If the running speed of the sheet processing machine changes, the suction force of the suction belt module is automatically readjusted.
  • the control loop comprises the activation of the suction belt module (control computer) and the two measuring devices.
  • the second measuring device is designed as a rotary encoder and the first measuring device is arranged only in the outlet region of the alignment table.
  • Outlet area of the alignment table means the downstream area of the alignment table, so that the actual speed of a sheet can be measured just before the sheet is transferred from the alignment table to the processing station. The actual sheet speed is therefore determined in the outlet region of the alignment table, since the speed changes only insignificantly until the transfer to the rotary tool.
  • the first measuring device has at least one optical sensor. This is suitable, the actual arc speed capture.
  • the first measuring device has two sensors, which are arranged on an axis parallel to the transport direction at a distance of 200 to 300 mm, in particular of about 250 mm to each other. The sensors have the ability to detect the passage of sheet edges. Due to the time span between the detection of a sheet edge by the upstream sensor and the downstream sensor and the known distance between the two sensors, the actual sheet speed can be determined directly.
  • the sheet-processing machine has a data memory for order-related storage of operating parameters of the suction belt, wherein in particular the effective suction force or the activation parameters can be stored to achieve a required suction force.
  • the values stored in the data memory can be retrieved for repeat jobs, so that the last empirical values are taken into account at startup.
  • the alignment table and the processing unit each have a drive unit, which is in each case mechanically coupled to a main drive of the sheet processing machine.
  • FIGS. 1a and 1b show a folding machine 100, as known from the prior art.
  • the folding machine 100 has a sheet feeder 1, an alignment table 2, a processing station 3 and a machine control with computer 4.
  • the sheet feeder 1 causes a separation of sheet B from a sheet pile S, including a separating sucker 11 (Tremat) at the trailing edge of the stack S by means of blowing air and lifting sucker a sheet B from the stack separates and lifts, which then by a suction 10 to the alignment table. 2 can be handed over.
  • the alignment table 2 has a plurality of guide rails 23 on which a respective sheet B rests during its transport in the sheet transport direction T.
  • a respective sheet B is transported by the conveyor belt 20, which is slightly oblique to the sheet transport direction T, against an alignment ruler 21 and aligned.
  • a plurality of hold-down balls 22 are provided.
  • An aligned sheet B is subsequently transferred to the processing station 3, shown here as the first folding station.
  • the folding station 3 has upstream cutter shafts 30, first folding rollers 31, second folding rollers 32 and folding pockets 33. In the illustration of FIGS. 1a and 1b If the folding station 3 does not have any upstream cutter shafts 30, the first rotary tool of the processing station 3 is formed by the folding rollers 31.
  • FIGS. 2a and 2 B an inventive sheet processing machine is shown, which is designed here as a folding machine.
  • the folding machine 100 also includes a sheet feeder 1, an alignment table 2, a processing station 3 - designed as a first folding station - and a machine control with computer 4.
  • the separated by the sheet feeder 1 of a sheet stack S sheet B are via an alignment table 2 of the folding station. 3 fed.
  • the alignment table 2 has a Saugbandmodul 24, which includes a vacuum pump 25 and a suction belt 20.
  • a respective sheet B is sucked during its transport in the sheet transport direction T by the suction belt 20 and thus moved against an alignment ruler 21 and aligned therewith.
  • two sensors 51 and 52 are arranged, which together form the first measuring device 50.
  • the downstream sensor 52 is arranged at a distance from the upstream sensor 51, wherein the distance d is.
  • the sensors 51 and 52 are connected to the machine control 4, which controls the feeder 1, the alignment table 2 and the processing station 3.
  • the first measuring device 50 By the first measuring device 50, the actual speed v of each sheet B is determined in the outlet region of the alignment table.
  • a second measuring device 60 is provided in the processing station 3 and serves to determine the peripheral speed of the first rotary tool 30 or 31.
  • the second measuring device 60 is also linked to the machine control 4. If the peripheral speed on the active element of a respective rotary tool 30 or 31 is not directly measured by the second measuring device 60, then this is calculated by the machine control 4 based on the measured rotational speed ⁇ or the rotational speed.
  • the machine control 4 a comparison is then made of the measured actual speed v and the peripheral speed ⁇ . If the two velocities v, ⁇ do not match, the actual sheet speed v is changed by the machine control by adjusting the effective normal force to an arc B in the region of the suction belt 20. In other words, by adjusting the suction force of the suction belt module 24, the slip between the suction belt 20 and the sheet B is adjusted. If there is too little actual arc speed v, the suction force is increased, if too high actual arc speed v is present, the suction force is reduced. If the running speed of the sheet folding machine 100 is changed, the sheet actual velocity v is automatically adapted to the changed rotation speed ⁇ of the rotary tools 30, 31.
  • the parameters for controlling the suction belt module 24 can be stored in a data memory 40 of the machine control 4.

Landscapes

  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Specific Conveyance Elements (AREA)
EP20120184165 2011-10-19 2012-09-13 Machine de traitement de feuilles avec alimenteur de feuilles doté d'un module à bande d'aspiration Active EP2583924B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011116365A DE102011116365A1 (de) 2011-10-19 2011-10-19 Bogenbearbeitungsmaschine mit Bogenanleger mit Saugbandmodul

Publications (3)

Publication Number Publication Date
EP2583924A2 true EP2583924A2 (fr) 2013-04-24
EP2583924A3 EP2583924A3 (fr) 2014-01-29
EP2583924B1 EP2583924B1 (fr) 2015-05-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120184165 Active EP2583924B1 (fr) 2011-10-19 2012-09-13 Machine de traitement de feuilles avec alimenteur de feuilles doté d'un module à bande d'aspiration

Country Status (3)

Country Link
EP (1) EP2583924B1 (fr)
CN (1) CN103057987A (fr)
DE (1) DE102011116365A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130731A1 (it) * 2013-05-06 2014-11-07 Meccanotecnica Spa Alimentatore di fogli piani con cuscino d'aria

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017220039B3 (de) * 2017-11-10 2018-08-30 Heidelberger Druckmaschinen Ag Bogenlaufkontrolle ohne Aktivierungssensor
DE102019133547A1 (de) * 2019-12-09 2021-06-10 Koenig & Bauer Ag Verfahren zum Transport von Bogen in einer Bogenbearbeitungsmaschine und Bogenbearbeitungsmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410029C1 (de) 1984-03-19 1985-08-22 Maschinenbau Oppenweiler Binder GmbH & Co, 7155 Oppenweiler Ausrichtetisch
DE4421918C1 (de) 1994-06-24 1995-09-21 Guenter Mattka Vorrichtung zum Fördern und gleichzeitigen Ausrichten von bogenförmigem Material, insbesondere aus Papier, Karton oder Folien
DE102004022141A1 (de) 2004-05-05 2005-11-24 Heidelberger Druckmaschinen Ag Vorrichtung zum Fördern und gleichzeitigen Ausrichten von Bogen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH665999A5 (fr) * 1986-03-17 1988-06-30 Bobst Sa Procede et dispositif pour commander le reglage des organes d'une machine pour les arts graphiques et le cartonnage.
US5383392A (en) * 1993-03-16 1995-01-24 Ward Holding Company, Inc. Sheet registration control
WO2000058190A1 (fr) * 1999-03-31 2000-10-05 John Anthony Sullivan Introducteur de materiau en feuille
DE19947554C2 (de) * 1999-10-02 2003-11-27 Roland Man Druckmasch Anlegetisch
JP2006213437A (ja) * 2005-02-02 2006-08-17 Komori Corp シート状物搬送装置
US7718020B2 (en) * 2005-09-12 2010-05-18 Color Communications, Inc. Method and apparatus for manufacture and inspection of swatch bearing sheets using a vacuum conveyor
JP2008080526A (ja) * 2006-09-26 2008-04-10 Brother Ind Ltd 液体噴射装置
DE102006050964A1 (de) * 2006-10-28 2008-04-30 Man Roland Druckmaschinen Ag Applikator für elektrische oder elektronische Bauelemente
DE102008048287A1 (de) * 2008-09-22 2010-03-25 Heidelberger Druckmaschinen Ag Vorrichtung und Verfahren zum Falzen von Bogen
JP5382299B2 (ja) * 2008-09-24 2014-01-08 株式会社Ｉｓｏｗａ フォルダグルア

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410029C1 (de) 1984-03-19 1985-08-22 Maschinenbau Oppenweiler Binder GmbH & Co, 7155 Oppenweiler Ausrichtetisch
DE4421918C1 (de) 1994-06-24 1995-09-21 Guenter Mattka Vorrichtung zum Fördern und gleichzeitigen Ausrichten von bogenförmigem Material, insbesondere aus Papier, Karton oder Folien
DE102004022141A1 (de) 2004-05-05 2005-11-24 Heidelberger Druckmaschinen Ag Vorrichtung zum Fördern und gleichzeitigen Ausrichten von Bogen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130731A1 (it) * 2013-05-06 2014-11-07 Meccanotecnica Spa Alimentatore di fogli piani con cuscino d'aria

Also Published As

Publication number Publication date
EP2583924A3 (fr) 2014-01-29
EP2583924B1 (fr) 2015-05-06
CN103057987A (zh) 2013-04-24
DE102011116365A1 (de) 2013-04-25

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