EP1120249A1 - Dispositif de guidage de feuilles - Google Patents

Dispositif de guidage de feuilles Download PDF

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Publication number
EP1120249A1
EP1120249A1 EP01100481A EP01100481A EP1120249A1 EP 1120249 A1 EP1120249 A1 EP 1120249A1 EP 01100481 A EP01100481 A EP 01100481A EP 01100481 A EP01100481 A EP 01100481A EP 1120249 A1 EP1120249 A1 EP 1120249A1
Authority
EP
European Patent Office
Prior art keywords
sheet
shaft
guiding device
sleeve
marks
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
EP01100481A
Other languages
German (de)
English (en)
Other versions
EP1120249B1 (fr
Inventor
Volkmar Schumann
Carsten Reinsch
Günter Dr. Weisbach
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 EP1120249A1 publication Critical patent/EP1120249A1/fr
Application granted granted Critical
Publication of EP1120249B1 publication Critical patent/EP1120249B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/04—Grippers
    • B41F21/05—In-feed grippers

Definitions

  • the invention relates to a sheet guide device in the sheet line of printing presses a vibrating system working from below, one upstream of the vibrating system Feed table with the help of feed marks consisting of cover and front marks sheet aligned with the leading edge, accelerated to machine speed and passes to a downstream transfer drum, below that of the gripper tips of the gripper of the vibratory system described one from over the Sheet width on a shaft distributed sheet lines existing sheet guiding device is provided, which can be brought into such a position by pivoting the shaft is that the surface of the sheet guiding device facing the underside of a pulling sheet at least just above that of the gripper tips of the vibration system and the courses described the cover marks runs.
  • Such a sheet guiding device is known from DE 43 22 416 C2.
  • the arch lines of the sheet guide device are spaced apart from one another by the maximum sheet width distributed between the grippers of the vibration system on a common shaft in a torsion-proof manner are arranged and are periodically adjusted by an adjusting device from a below that of the position described the gripper tips of the vibratory system in a position above this position located pivoted.
  • this sheet guiding device is within the processing of sheets of the format area, if the lateral edge areas only slightly on the respective Arch lines rest on, the arch is tense. That leads to the subsequent processing for wrinkling and doubling.
  • the object of the invention is to design a generic sheet guide device in such a way that that problem-free processing of all sheets within a format range is possible.
  • the object is achieved by a sheet guiding device.
  • Claim 1 solved.
  • the solution according to the invention makes it possible to guide the pulling sheet in such a way that a touch of the underside of the sheet by the swinging back gripper tips as well is avoided by the cover marks and at the same time regardless of the sheet width to achieve a safe arch guidance also in the edge area, so that the arch is unstressed can be fed to a downstream printing press.
  • a feed table 1 is shown schematically in side view with a sheet 2 and a subsequent sheet 3.
  • a feed mark 6 consisting of front mark 4 and cover mark 5 is shown, while the broken line shows the position of the feed mark 6 below the feed table.
  • a gripper 7 of a vibrating system 8 is also shown on the feed table 1.
  • the vibrating system 8 is followed by a gripper 10 having a transfer drum 9, which is mounted in the bearing point 19. Concentric to the bearing point 19 are arranged below the transfer drum 9 stationary and rigid sheet guide elements 11.
  • the sheet guiding elements 11 are assigned a sheet guiding device 13 which extends below the path described by the tips 7.1 of the grippers 7 on their way between the feed table 1 and the transfer drum 9 and extends approximately to the feed table 1.
  • the sheet guiding device 13 consists of the max.
  • Sheet lines 20 are arranged in a width-distributed manner and are connected in a rotationally fixed manner to a shaft 14 provided parallel to the transfer drum 9, which is rotatably arranged in a bearing point 12 and by means of a roller lever 15 which is non-rotatably clamped on the shaft 14 via a roller 18 and a tension spring 16 in operative connection with a cam 17 is held.
  • the shaft 14 can be pivoted via the roller 18 and the roller lever 15 and thus the arc lines 20 of the arc guide device 13 can be moved into a position in which the upper side of the arc guide device 13 is above the gripper tips 7.1 of the gripper 7 during the movement to the transfer drum 9 described path and over the cover marks 5 located in the position on the feed table 1 (dashed line in Fig. 1).
  • FIG. 2 shows in particular the arrangement of the arch lines 20 on the shaft 14.
  • a first sleeve 22 and a second sleeve 23 are provided on both sides of a machine center 21, which are connected to the shaft 14 in a rotationally fixed but displaceable manner in the axial direction.
  • the arch lines 20 are arranged in a rotationally fixed manner, for example by means of a clamp connection.
  • a bearing piece 24 is also rigidly connected to the shaft 14, in which a double-acting adjusting element 25 is fixed.
  • the actuating elements 25 engage via a first actuating element 26 on a first actuating lever 28, which is connected to the first sleeve 22.
  • the actuating elements 25 engage via a second actuator 27 on a second actuating lever 29 which is connected to the second sleeve 23.
  • the sleeves 22; 23 can be moved from the machine center 21 to the sides or back to the machine center 21 via the first actuator 26 and the first control lever 28 or via the second actuator 27 and the second control lever 29.
  • the sheet 2 and the subsequent sheet 3 are conveyed by a belt table, not shown, against the feed marks 6 in the position on the feed table 1, caught by the cover marks 5 and aligned with the front marks 4 according to the leading edge.
  • the contact marks 6 are pivoted into a position under the feed table 1 (dashed line in FIG.
  • the vibrating system 8 and thus the grippers 7 swing back to the feed table 1 to take over the following sheet 2, with the gripper tips 7.1 touching the underside of the pulling sheet 1 due to the still above the path of the gripper tips 7.1 positioned sheet lines 20 of the sheet guide 13 is also avoided.
  • the end of the pulling sheet 2 has left the area of the sheet guiding device 13, it is pivoted into its position below the path of the gripper tips 7.1 and the following sheet 3 is transported to the transfer drum 9. Due to the different sheet widths occurring within a format area, it is possible, as shown in FIG. 2, that the sheet edge areas just touch the sheet lines 20 or lie slightly on them, which leads to tension in the sheets and thus to waste formation. To avoid this, the sleeves 22; 23 displaced by the adjusting element 25 towards the machine center 21 until the arc lines corresponding to the arc edge regions carry the full area.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Discharge By Other Means (AREA)
EP01100481A 2000-01-19 2001-01-09 Dispositif de guidage de feuilles Expired - Lifetime EP1120249B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10002044 2000-01-19
DE10002044A DE10002044A1 (de) 2000-01-19 2000-01-19 Bogenleiteinrichtung

Publications (2)

Publication Number Publication Date
EP1120249A1 true EP1120249A1 (fr) 2001-08-01
EP1120249B1 EP1120249B1 (fr) 2006-07-12

Family

ID=7627967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100481A Expired - Lifetime EP1120249B1 (fr) 2000-01-19 2001-01-09 Dispositif de guidage de feuilles

Country Status (3)

Country Link
EP (1) EP1120249B1 (fr)
AT (1) ATE332808T1 (fr)
DE (2) DE10002044A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10220563B4 (de) * 2001-05-07 2004-07-08 LTG Mailänder GmbH Bogenführungsvorrichtung für eine Bogen verarbeitende Maschine sowie Verfahren zur Führung eines Bogens
DE102005029972A1 (de) * 2005-06-28 2007-01-11 Koenig & Bauer Ag Anlegmarken
DE102007030456B4 (de) 2007-06-29 2009-04-23 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Führen von Bogen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757388C (de) * 1938-05-24 1952-09-29 Wilfred George Lawson Bogenglattstreichvorrichtung fuer Zylinderschnellpressen
DE4322416A1 (de) * 1993-07-06 1995-01-12 Kba Planeta Ag Bogenleiteinrichtung in der Bogenanlage von Druckmaschinen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757388C (de) * 1938-05-24 1952-09-29 Wilfred George Lawson Bogenglattstreichvorrichtung fuer Zylinderschnellpressen
DE4322416A1 (de) * 1993-07-06 1995-01-12 Kba Planeta Ag Bogenleiteinrichtung in der Bogenanlage von Druckmaschinen

Also Published As

Publication number Publication date
ATE332808T1 (de) 2006-08-15
DE10002044A1 (de) 2001-07-26
DE50110419D1 (de) 2006-08-24
EP1120249B1 (fr) 2006-07-12

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