EP1528021A1 - Bogenzuführvorrichtung einer Bogenverarbeitungsmaschine - Google Patents

Bogenzuführvorrichtung einer Bogenverarbeitungsmaschine Download PDF

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Publication number
EP1528021A1
EP1528021A1 EP03405789A EP03405789A EP1528021A1 EP 1528021 A1 EP1528021 A1 EP 1528021A1 EP 03405789 A EP03405789 A EP 03405789A EP 03405789 A EP03405789 A EP 03405789A EP 1528021 A1 EP1528021 A1 EP 1528021A1
Authority
EP
European Patent Office
Prior art keywords
speed
plates
feeder
machine
sheet
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.)
Withdrawn
Application number
EP03405789A
Other languages
English (en)
French (fr)
Inventor
Eric Pache
Tibor Nagy
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.)
Bobst Mex SA
Original Assignee
Bobst SA
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 Bobst SA filed Critical Bobst SA
Priority to EP03405789A priority Critical patent/EP1528021A1/de
Publication of EP1528021A1 publication Critical patent/EP1528021A1/de
Withdrawn legal-status Critical Current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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/34—Varying the phase of feed relative to the receiving machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/56—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the 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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/14—Retarding or controlling the forward movement of articles as they approach stops
    • 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
    • B65H2553/00—Sensing or detecting means

Definitions

  • the present invention relates to a machine feeder for the treatment of plate or sheet elements, including a feeding station and a table of margin with front stops and a device for transporting said sheet sheets against said stops.
  • the plates positioned in a repetitive manner are then driven in the processing machine by bars transported with pliers commonly called bars of pliers (BDP).
  • the leaves If the speed of the transport device of the table of margin is uniform, the leaves fall against the front cleats. The leaves can bounce in back, especially when it comes to corrugated board or good compact cardboard of a certain thickness. In the case other types of cardboard, such as laminated material or at low grammage, we can have a problem of embedding cleats in the leaves. The rebound as the embedding distort the longitudinal registration of the leaves. In this case, the sheet is not entered in a correct position by the clip bar. As a result, cutting of the sheet that takes place in the next station of the machine will be offset compared to printing previously printed on the sheet.
  • the device that allows to vary the speed of advance of the belts is achieved mechanically using a drive rotating at speed constant and a set of cams or levers arranged to obtain a representative pulse velocity profile velocity variations of the belts on a cycle.
  • the training used in this device is the same as the one that drives the whole machine, namely at least the feeder, margin table and cutting station. The reasons for this unique training, besides the price, flow because of this, any risk of desynchronization between the different stations (feeder group of the feeder, margin table straps, gripping grab bars the sheet, etc ...) is discarded.
  • a disadvantage of this solution lies in the fact that the ratio between maximum and minimum speed is limited by constraints of physical realization when one wants make a device to vary the speed impact against the stops.
  • a feeder has been proposed transport device of the sheet is driven by a motor driven by a computer that determines a speed profile whose speed is a function of the cycle of the machine and which continuously varies the length of overlap sheets of the tablecloth or the pitch of the tablecloth.
  • This variation of the pitch is due to the fact that the drive of the power system is not synchronous to the training of the margin table. Lowering or the impact speed increase against the stops causes a variation of the pitch.
  • the object of the present invention is to remedy the less in part, to the above-mentioned disadvantages of the state of the technique.
  • this invention relates to a feeder machine for the treatment of sheets according to the claim 1.
  • the advantage of this invention is that it makes it possible to reduce noticeably the speed of the leaves arriving against the front stops of the margin table, while ensuring a regular rate regardless of the chosen speed profile.
  • the use of a common enslaved training at the feeder and at the margin table not only allows for keep a constant rate of arrival of the leaves in stop, but also to choose at will the speed profile of the training device of the margin table, in according to the rate of the machine and the characteristics mechanical treatment of the leaves to be treated.
  • the margin table has a length which is chosen so that the number of leaves she has either an integer or near. Thanks to this particularity, a sheet is deposited on the sheet by the device feeding at the same time as a sheet arrives in abutment against the front lugs, so that at this time, the speed of the feeding device being the same as that of the transport device of the margin table she is less than the average speed of the feeder.
  • leaf is meant both leaves flexible than rigid cardboard plates, such as plates of corrugated cardboard or synthetic materials or other compositions.
  • the feeder illustrated in Figure 1 includes the actual feeder, including a battery feed 1 in sheets 6 to work. These leaves are usually printed on one side, the machine whose part of the feeder according to the invention described part of a cutting press intended to form poses, constituting a cardboard packaging laid flat.
  • the actual feeder still has a device 2, generally consisting of a nozzle group intended to introduce the sheet 6 located at the top of the stack 1 to introduction rollers 3 which are located, in this example, with respect to a roll 4 around which passes at least one training belt 5 passing around other rollers 4, to form an endless loop, whose upper strand extends over almost the entire length of a margin table 7.
  • the feeder still has a flap row 8 adjacent to the front edge of stack 1 of sheets 6, rotated back and forth synchronized with the displacement of the nozzle group to guarantee the passage of one sheet 6 at a time and getting up to tidy up leaves lying under the leaving sheet so to guarantee a starting position as stable as possible.
  • One of the rollers 4 of the drive belt 5 is connected to a drive motor 9 by a transmission kinematic 10 as well as to the feed device 2 by a kinematic transmission 11.
  • This drive motor 9 is connected to an input and output of a computer from control 12 of the processing machine 13 of the sheets 6.
  • the downstream end of the margin table 7 presents the minus one cleat 14 serving as forward stops. These stops fronts are means for positioning sheets 6 on the margin table allowing them to be taken correctly each by a clip bar (not shown) intended to transport them through the workstations of the sheet processing machine.
  • At least one sensor 15 is disposed adjacent to the or stops 14 to detect the arrival of leaves. This or these sensors 15 are connected to an input of the computer of command 12, to ensure synchronization between the feeder and the sheet processing machine 6.
  • the object of the invention is to ensure that the speed leaves 6 when they arrive against the abutments 14 be reduced while maintaining the same speed instant on the feeder 2 leaves 6 and on the margin table 7, so that the rate of arrival sheets 6 against the stop or stops 14 is constant and allow them to be gripped by the clip bars at the same rate.
  • this result is obtained using a common drive motor for the feed device 2 and for the conveyor belt 5 of the table of margin 7.
  • the Figure 2 shows, by way of example, two speed profiles training of the sheets 6 with respect to a cycle of the machine 13 of treatment of these sheets 6.
  • the number of stored speed profiles is not limited. These profiles are chosen in particular according to characteristics of the sheets 6 to be treated. Therefore this profile can be adapted when passing cardboard corrugated with smooth cardboard, or heavy cardboard a paperboard with a lower weight, so as to realize the best compromise between speed of arrival against thrusts and accelerations communicated to sheets 6.
  • the length of the margin table is chosen to contain a whole number of leaves, so that that the feed speed of the leaves to the introduction in the introduction rollers 3 is the same as that of the leaves reaching the abutments 14, that is to say that is below the average speed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP03405789A 2003-11-03 2003-11-03 Bogenzuführvorrichtung einer Bogenverarbeitungsmaschine Withdrawn EP1528021A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03405789A EP1528021A1 (de) 2003-11-03 2003-11-03 Bogenzuführvorrichtung einer Bogenverarbeitungsmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405789A EP1528021A1 (de) 2003-11-03 2003-11-03 Bogenzuführvorrichtung einer Bogenverarbeitungsmaschine

Publications (1)

Publication Number Publication Date
EP1528021A1 true EP1528021A1 (de) 2005-05-04

Family

ID=34400629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405789A Withdrawn EP1528021A1 (de) 2003-11-03 2003-11-03 Bogenzuführvorrichtung einer Bogenverarbeitungsmaschine

Country Status (1)

Country Link
EP (1) EP1528021A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7717420B2 (en) 2007-03-23 2010-05-18 Heidelberger Druckmaschinen Ag Apparatus for feeding sheets with variable overlap length and sheet arrival control and printing press having the apparatus
WO2010105762A1 (fr) 2009-03-16 2010-09-23 Bobst Sa Station de chargement pour des éléments en plaque et machine de traitement de tels éléments
US8746674B2 (en) 2006-05-04 2014-06-10 Heidelberger Druckmaschinen Ag Non-integer overlap feeder for machines processing printing materials
DE102018201917B3 (de) 2018-02-07 2019-07-11 Koenig & Bauer Ag Bogendruckmaschine mit zumindest einer Substratzufuhreinrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159147A (en) * 1935-05-11 1939-05-23 Dexter Folder Co Sheet feeding apparatus
DE19509548A1 (de) * 1995-03-16 1996-09-19 Roland Man Druckmasch Bogenanlegereinheit
US5613675A (en) * 1994-01-27 1997-03-25 Heidelberger Druckmaschinen Method and device for conveying sheets in a feeder region of a sheet-processing machine
EP0922659A1 (de) * 1997-12-13 1999-06-16 Koenig & Bauer Aktiengesellschaft Verfahren und Vorrichtung zum Zuführen von Bogen
DE10044068A1 (de) * 1999-10-06 2001-04-26 Heidelberger Druckmasch Ag Verfahren zur Steuerung der Bogenzufuhr
EP1201577A2 (de) * 2000-10-25 2002-05-02 Koenig & Bauer Aktiengesellschaft Einrichtung zum Zuführen von Bogen
EP1281647A2 (de) * 2001-08-01 2003-02-05 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren zum Befördern von Bogen in einem Anleger einer Bogen verarbeitenden Druckmaschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159147A (en) * 1935-05-11 1939-05-23 Dexter Folder Co Sheet feeding apparatus
US5613675A (en) * 1994-01-27 1997-03-25 Heidelberger Druckmaschinen Method and device for conveying sheets in a feeder region of a sheet-processing machine
DE19509548A1 (de) * 1995-03-16 1996-09-19 Roland Man Druckmasch Bogenanlegereinheit
EP0922659A1 (de) * 1997-12-13 1999-06-16 Koenig & Bauer Aktiengesellschaft Verfahren und Vorrichtung zum Zuführen von Bogen
DE10044068A1 (de) * 1999-10-06 2001-04-26 Heidelberger Druckmasch Ag Verfahren zur Steuerung der Bogenzufuhr
EP1201577A2 (de) * 2000-10-25 2002-05-02 Koenig & Bauer Aktiengesellschaft Einrichtung zum Zuführen von Bogen
EP1281647A2 (de) * 2001-08-01 2003-02-05 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren zum Befördern von Bogen in einem Anleger einer Bogen verarbeitenden Druckmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8746674B2 (en) 2006-05-04 2014-06-10 Heidelberger Druckmaschinen Ag Non-integer overlap feeder for machines processing printing materials
US7717420B2 (en) 2007-03-23 2010-05-18 Heidelberger Druckmaschinen Ag Apparatus for feeding sheets with variable overlap length and sheet arrival control and printing press having the apparatus
WO2010105762A1 (fr) 2009-03-16 2010-09-23 Bobst Sa Station de chargement pour des éléments en plaque et machine de traitement de tels éléments
US8608151B2 (en) 2009-03-16 2013-12-17 Bobst Mex Sa Loading station for plate elements and machine for processing such elements
DE102018201917B3 (de) 2018-02-07 2019-07-11 Koenig & Bauer Ag Bogendruckmaschine mit zumindest einer Substratzufuhreinrichtung

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