EP1537995A2 - Méthode pour l'alignement latéral de feuilles - Google Patents

Méthode pour l'alignement latéral de feuilles Download PDF

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Publication number
EP1537995A2
EP1537995A2 EP04026401A EP04026401A EP1537995A2 EP 1537995 A2 EP1537995 A2 EP 1537995A2 EP 04026401 A EP04026401 A EP 04026401A EP 04026401 A EP04026401 A EP 04026401A EP 1537995 A2 EP1537995 A2 EP 1537995A2
Authority
EP
European Patent Office
Prior art keywords
sheet
gripper system
gripper
measuring device
evaluation unit
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
EP04026401A
Other languages
German (de)
English (en)
Other versions
EP1537995B1 (fr
EP1537995A3 (fr
Inventor
Volkmar Schumann
Ulrich KÖHLER
Martin Dr.-Ing. Riese
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1537995A2 publication Critical patent/EP1537995A2/fr
Publication of EP1537995A3 publication Critical patent/EP1537995A3/fr
Application granted granted Critical
Publication of EP1537995B1 publication Critical patent/EP1537995B1/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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • 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
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • 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
    • B65H9/20—Assisting by photoelectric, sonic, or pneumatic indicators
    • 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
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/222—Stroke
    • 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
    • B65H2511/20—Location in space
    • B65H2511/23—Coordinates, e.g. three dimensional coordinates

Definitions

  • the invention relates to a method for aligning sheets after the side edge, in where the sheets to be aligned within a scattering area on a feed table promoted, on which the actual position of the side edge determined by means of a measuring device and the respective foremost sheet is detected by a sheet accelerating device and the gripper system is fed to a drum, wherein the gripper system for Realization of the desired position of the side edge, which, objectified by an approximately centered provided in the scattering range side-line, can be moved in the axial direction.
  • a sheet transported by the sheet accelerating device from the feed table to the gripper system of the drum is brought into the desired position by axial displacement of the gripper system with respect to the side edge and then transferred to the gripper device of a downstream cylinder.
  • the gripper system and the gripping device come too close to the sheet transfer in large drawing paths, so that it comes in the processing of thick substrates to impermissible bow deformations.
  • Another way to eliminate these disadvantages is to make the distances between the grippers of the gripper system and the grippers of the gripping device large and the width of the gripper low. However, this requires a poor bowing, which leads to an increased spoilage and business interruptions.
  • DE 102 16 758 A1 proposes the gripper system To move the drum to align the sheet to the side edge and after passing the sheets to the downstream cylinder the gripper system not due to a starting position (middle position), but after the detection the location of the following arc the gripper system to half the pull path to be realized to spend in the opposite direction. This will result in improper arc deformation avoided by laterally too close Asked gripper serves.
  • the disadvantage of this method is that, due to the machine geometry, the measured value characterizing the lateral position of the following sheet is present only shortly before the next sheet is taken over by the gripper system. This requires high accelerations or drive torques of the gripper system displacing actuators, in particular in high-speed machines, on the other hand, the gripper system remains after the transfer of the aligned sheet to the downstream cylinder to the transfer to the takeover position over a large machine angle.
  • the object of the invention is to provide a generic method for aligning sheets, which can be realized with little effort, even in high-speed machines.
  • the object is achieved by a method according to the features of the claim 1 solved.
  • the distances of the intermeshing Sheet holding system to be designed so that without height adjustment of sheet holding systems a bowing can be realized, which is also problematic substrates Ensures trouble-free sheet travel, where it by the division of the axial adjustment movement of the gripper system in three partial movements is possible, the accelerations and to reduce moments of the actuator displacing the gripper system and so on
  • the method can also be applied to high-speed machines.
  • FIG. 1 shows a sheet-fed system consisting of a feed table 1 with front marks 2 located in a position on the feed table 1, a sheet accelerating device 3, which is designed as a vibration system 4, a drum 5 with a gripper system 6 and a cylinder 7 arranged downstream of the drum 5, which is equipped with a gripping device 8, shown.
  • the oscillating system 4 has a vibrating gripper system 9, which consists of gripper fingers 10 and a gripper bar 11, wherein the vibrating gripper system 9 is associated frame-fixed the vibrating system 4.
  • the gripper system 6 of the drum 5 is provided in the axial direction displaceable in the drum 5 and consists of grippers 14, which cooperate with gripper clutches 15.
  • the feed table 1 is shown with a bow 16 and a follower sheet 17. From the feed table 1 only in the sheet conveying direction 18 on the left side - one side I - located half is shown. On the opposite side there is a page II.
  • the sheets 16,17 are transported in the sheet conveying direction 18 on the feed table 1.
  • a measuring device 21 is slidably and lockably provided in a measuring device 21 is slidably and lockably provided. The measuring device 21 can be moved within the format range 20 and adjusted to the formats reaching for processing.
  • the measuring device 21 extends at least over a scattering area 22 and is connected to an evaluation unit, not shown.
  • the scattering area 22 is the area in which the side edges of the sheets reaching the processing can run in, so that their actual position can still be reliably detected and brought into a desired position.
  • the desired position is identical to the position of a side draw line 23, which is provided approximately centrally in the scattering region 22.
  • FIG. 3 shows different patterns of interlocking sheet holding systems.
  • FIG. 3a shows the oscillating gripper system 9, the gripper system 6 of the downstream drum 5 and the gripping device 8 of the cylinder 7.
  • the gripper system 6 of the drum 5 does not perform any axial movement for aligning with the side edge.
  • the gripper fingers 10, gripper 14 and sheet gripper 12 have a width a, while between the gripper fingers 10, the grippers 14 or the sheet grippers 12, a distance b is provided. Between two interengaging sheet holding systems 9,6,8 a system distance c is provided. In this case, the system distance c is chosen such that the deformations of the material to be processed during the transfer / transfer are so small that the productivity of the printing press is not adversely affected.
  • the gripper fingers 10 / gripper 14 and gripper 14 / sheet gripper 12 are arranged centrally to each other. FIG.
  • FIG. 3b shows the state of the art in which the gripper system 6 of the drum 5 is displaced axially in order to be able to align the sheet-like material to be processed for processing with one side edge.
  • the grippers 14 of the gripper system 6 are arranged at the sheet transfer centered on the gripper fingers 10 of the vibratory gripper system 9 and can be moved from their center position X at most by a pulling Z / 2 toward the side I or II.
  • the gripper system 6 is moved in the direction of the side II.
  • the width a of the gripper fingers 10, the gripper 14 and the sheet gripper 12 is reduced by the maximum pulling Z / 2 and so the Distance b increased by Z / 2.
  • the gripper fingers 10, grippers 14 and sheet grippers 12 are performed in a width a - Z / 4.
  • the distance b is increased by Z / 4, so that a system distance c is maintained at a range c + Z / 2 ⁇
  • a maximum Ziehweg Z / 2 in the direction of page I or page II as follows method.
  • the grippers 14 are guided in a central position (center position X) to the oscillating gripper system 9. From this center position X, the gripper system 6 is moved to a transfer position.
  • This acceptance position results from the fact that the measuring device 21 in the feed table 1 and the evaluation unit from the actual position and the target position for the subsequent sheet-shaped printing material a determined by the gripper system 6 pulling path is determined by amount and direction. It is not necessary that the exact amount of the pulling path already exists.
  • the transfer position when a first preliminary measurement is determined by the measuring device 21 / evaluation unit, for example, when the sheet material is applied to the front mark 2, but the swing gripper system 9 is not yet closed.
  • the sheet material is taken over by the gripper system 6 from the oscillating gripper system 9 and subsequently displaced during transport to the gripping device 8, the gripper system 6 by one of the measuring device 21 / evaluation unit determined exact amount of Ziehweges based on a second measurement, for example the swing gripper system 9 has detected the sheet material is generated.
  • the target position is realized.
  • the procedure is as follows.
  • the sheets 16,17 are promoted to the feed table 1, that the side edges within the scattering range 22, which is identical to the maximum pull Z, shrink.
  • the desired position is objectified by the side-line 23.
  • a partial drawing path e 1 In order for the sheet 16 to move from the actual position to the desired position, a partial drawing path e 1 must be realized, the drawing direction being directed to the side-drawing line 23.
  • the follower sheet 17 must cover a partial pulling path e 2 for realizing the desired position, wherein the pulling direction is likewise directed to the side draw line 23.
  • the gripper system 6 of this is controlled in the transfer position which is off-center e 1/2. Subsequently, the sheet 16 of
  • the actual position of the subsequent sheet 17 is detected by the measuring device 21 and a pulling path e 2 and the drawing direction, which is directed away from the side I and directed to the side-drawing line 23, detected.
  • the gripper system 6 initiated by the evaluation unit downstream evaluation unit, controlled from the center position X in the transfer position for the subsequent sheet 17.
  • the takeover position is in turn eccentrically / 2 spaced around the partial drawing distance e 2 from the side pull line 23rd
  • this transfer position of the follower sheet 17 is detected by the gripper system 6 and the gripper system 6 by the partial pulling path e 2 , initiated by the measuring device 21, moved in the direction of the side line 23 and so realized the desired position of the subsequent sheet 17.
  • the grippers 14 of the gripper system 6 are guided into their middle position X.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)
EP04026401A 2003-12-06 2004-11-06 Méthode pour l'alignement latéral de feuilles Expired - Lifetime EP1537995B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357173A DE10357173A1 (de) 2003-12-06 2003-12-06 Verfahren zum Ausrichten von Bogen nach der Seitenkante
DE10357173 2003-12-06

Publications (3)

Publication Number Publication Date
EP1537995A2 true EP1537995A2 (fr) 2005-06-08
EP1537995A3 EP1537995A3 (fr) 2008-04-30
EP1537995B1 EP1537995B1 (fr) 2012-01-11

Family

ID=34442491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04026401A Expired - Lifetime EP1537995B1 (fr) 2003-12-06 2004-11-06 Méthode pour l'alignement latéral de feuilles

Country Status (2)

Country Link
EP (1) EP1537995B1 (fr)
DE (1) DE10357173A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006014536B4 (de) 2006-03-29 2018-08-23 Koenig & Bauer Ag Verfahren zum Ausrichten von Bogen nach der Seitenkante
DE102006014535A1 (de) * 2006-03-29 2007-10-04 Koenig & Bauer Aktiengesellschaft Verfahren zum Ausrichten von Bogen
DE102007042373A1 (de) * 2007-09-06 2009-03-12 Koenig & Bauer Aktiengesellschaft Einrichtung zum Führen von aus steifem Material bestehenden Bogen
CN101683780B (zh) 2008-09-25 2013-08-07 海德堡印刷机械股份公司 用于在处理机中侧向地定向页张的方法和装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644431A1 (de) * 1986-12-24 1988-09-01 Koenig & Bauer Ag Bogengreifervorrichtung in einer rotationsdruckmaschine mit bogengreifern, die in axialer richtung bewegbar sind
DE19524891A1 (de) * 1995-07-08 1997-01-09 Heidelberger Druckmasch Ag Vorrichtung zum seitlichen Ausrichten von Bögen im Anleger einer Bogenrotationsdruckmaschine
DE10216758A1 (de) * 2002-04-16 2003-10-30 Koenig & Bauer Ag Verfahren zum Ausrichten von Bogen nach der Seitenkante

Also Published As

Publication number Publication date
DE10357173A1 (de) 2005-06-30
EP1537995B1 (fr) 2012-01-11
EP1537995A3 (fr) 2008-04-30

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