EP0297220B1 - Bogenglätteinrichtung für die Seitenkante eines Bogens - Google Patents

Bogenglätteinrichtung für die Seitenkante eines Bogens Download PDF

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Publication number
EP0297220B1
EP0297220B1 EP88105257A EP88105257A EP0297220B1 EP 0297220 B1 EP0297220 B1 EP 0297220B1 EP 88105257 A EP88105257 A EP 88105257A EP 88105257 A EP88105257 A EP 88105257A EP 0297220 B1 EP0297220 B1 EP 0297220B1
Authority
EP
European Patent Office
Prior art keywords
sheet
smoothing
downholder
pneumatic
controllable
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.)
Expired - Lifetime
Application number
EP88105257A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0297220A2 (de
EP0297220A3 (en
Inventor
Claus Dipl.-Ing. Simeth
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT88105257T priority Critical patent/ATE84493T1/de
Publication of EP0297220A2 publication Critical patent/EP0297220A2/de
Publication of EP0297220A3 publication Critical patent/EP0297220A3/de
Application granted granted Critical
Publication of EP0297220B1 publication Critical patent/EP0297220B1/de
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
    • 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
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/105—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using suction means
    • 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
    • B65H5/36—Article guides or smoothers, e.g. movable in operation

Definitions

  • the invention relates to a sheet smoothing device for the side edge of a sheet with a hold-down device which is arranged in the vicinity of the stationary side mark of a side pulling device above the contact plate in the sheet system of a sheet-fed rotary printing press.
  • the alignment of the sheets to be printed is known to be necessary in the circumferential and lateral directions in order to ensure a precise register during the second pass or during further processing.
  • the registration requirements are extremely high for sheetfed presses.
  • the sheet is constantly pushed to the front marks by the pushing of tapes or the pushing of the following sheets via frictional engagement, i.e. driven to equal stops in the bow system. So that the sheets cannot bulge on the side edge during the lateral alignment, it is already known from practice to arrange a hold-down device or the like which is adjustable in height in order to prevent paper bulging on the stationary side mark. This must be quickly set to a sheet thickness so that a double sheet cannot be inserted. However, this rapid adjustment to the sheet thickness hinders the sheet from entering under the hold-down device, especially if the machine speed is to be increased. Here, the optimal production can be impaired with regard to the page register.
  • a device for the lateral alignment of sheets is known from DE 29 01 188 Al.
  • an up and down controllable sheet smoothing device for the edge of a sheet on the sheet system of a sheet-fed rotary printing press is known.
  • this sheet smoothing device is designed for smoothing the gripper edge, ie the front edge of the sheet, but not for smoothing the side edge in connection with the side pulling process.
  • the object of the invention is to provide a sheet smoothing device for the side edge of a sheet on a stationary side mark of a side pulling device of a sheet-fed rotary printing press, in which both the unimpeded entry of the sheet under the hold-down device and gentle smoothing of the side edge is ensured.
  • sheet smoothing device which can be controlled according to the invention can be used in conventional sheet feeders both in connection with mechanical side pulling devices and in connection with pneumatic side pulling devices, wherein the control of the movement of the sheet smoothing device can be implemented either separately or derived from the control of the pulling movement in a manner which is obvious to the person skilled in the art. With separate control, however, the correct assignment to the side pull process must be maintained.
  • a controllable sheet smoothing device 18 in conjunction with a pneumatic side pulling device, has the advantage of a longer pulling time and thus a higher machine speed with a low impact impulse at the side mark 20, because there is no need to wait until the end of the sheet lying above has left the side mark, such as that is required with a mechanical side pulling device.
  • an arc smoothing device 18 with a controllable hold-down device 21 is fastened to the stationary side mark 20 of a pneumatic side pulling device by means of an intermediate washer 24 and a screw not provided with a reference number.
  • the pneumatic side pulling device interacting with the sheet smoothing device consists of a housing 1 and a drive shaft 2, which carries a curve 3 and two valve disks 4, 5.
  • the drive shaft 2 is mounted in the housing 1.
  • the valve disks 4 and 5 are located in a valve housing 15 which is firmly connected to the housing 1 and which is penetrated by various bores.
  • a slide 7 is slidably arranged on a tube 6 and runs on the curve 3 with a roller 8.
  • the carriage 7 is pressed against the curve 3 by a spring 9 and follows its course.
  • the carriage 7 is provided with a pipe socket 10 and is located above an opening 11 which is provided in the pipe 6.
  • the slide 7 is provided with a guide groove 12 which runs transversely to the slide movement and in which a suction cup 13 is slidably mounted.
  • valve block in the housing 1 creates 2 air chambers 16, 17, one for blowing air 16 and one for suction air 17. In order to be able to introduce air into these air chambers 16, 17, the bores in the valve housing 15 are determined.
  • the pipe 6 is connected to a suction pump, so that the path of the air from the suction device 13 is as follows: the air flows through the suction device 13 through the pipe socket 10 and the opening 11 into the right end of the suction pipe 6. From there the air through a hole in the suction chamber 17 of the valve housing 15. Controlled by the valve disk 4, the air is then guided through holes in the left end of the tube 6. The right and left ends of the tube 6 are separated by a stopper.
  • the sheet to be aligned can be held in place by the suction device 13.
  • the bow is conveyed by the suction device 13 against the side mark 20 by the spring 9 and the curve 3.
  • the valve disc 4 is designed so that suction air always acts on the suction device 13 during the lateral alignment.
  • the free movement of the suction device 13 in the guide groove 12 in the direction of sheet travel ensures that incorrect contact of the sheet with the front sheet stops is avoided.
  • blown air is supplied to the suction device 13 when the pre-gripper has gripped the sheet. This passes through the blown air chamber 16, the valve disk 5 and bores in the suction device 13.
  • the controllable hold-down device 21 of the sheet smoothing device 18 is arranged such that it can be moved up and down perpendicularly to the direction of the sheet travel.
  • the movable hold-down device 21 is raised on its side edge after the alignment of the sheet and lowered again to smooth the side edge of the next sheet to be aligned on its side edge.
  • the movable hold-down 21 can be pressed away from the contact plate by means of springs 25 which are supported in a stationary manner.
  • the movable hold-down device 21 is lowered again by a pneumatic control device against the pressure of the springs 25.
  • the pneumatic control device consists in addition to the functional parts for controlling the suction air of the pneumatic side pulling device, namely the housing 1, the drive shaft 2, the curve 3, the valve disk 4, the tube 6, the roller 8, the spring 9, the valve housing 15, the air chamber for suction air 17 and the corresponding holes from a suction air connection 19 at the right end of the tube 6, one pneumatic working cylinder 22 with tappet 23 on the controllable hold-down device 21, a suction air connection 29 and associated connecting lines and a straight guide 30 for the hold-down device 21.
  • the movable hold-down device 21 is preferably guided perpendicular to the direction of the sheet travel in a straight guide 30 which is fastened to the stationary side marks 20.
  • the straight guide 30 has a bore concentric to the plunger 23 of the working cylinder and diagonally opposite the plunger 23 two spring rods 26. These are connected to the hold-down 21 in one approach.
  • the springs 25 of the spring rods 26 are supported upwards on a disk 27 with adjusting nut 28 and downwards on the straight guide 30.
  • the pneumatic working cylinder 22 has an opening according to FIG. 2, which opens into the suction air connection 29.
  • the controllable hold-down device 21 lies non-positively on the sheet being pulled off and, as soon as it has entered the machine, on the next sheet to be aligned on its side edge and simultaneously to be smoothed.
  • the movable hold-down device 21 is pushed upwards again by the force of the springs 25 from the contact sheet of the sheet feeder.
  • the pneumatic control device described above can also be replaced by a mechanical control, not shown in the drawing, for example by means of a cam-controlled lifting and lowering device for the hold-down device 21, which can be controlled by a single-speed shaft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Pile Receivers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Coating With Molten Metal (AREA)
  • Paper (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP88105257A 1987-05-14 1988-03-31 Bogenglätteinrichtung für die Seitenkante eines Bogens Expired - Lifetime EP0297220B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88105257T ATE84493T1 (de) 1987-05-14 1988-03-31 Bogenglaetteinrichtung fuer die seitenkante eines bogens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3716085 1987-05-14
DE19873716085 DE3716085A1 (de) 1987-05-14 1987-05-14 Bogenglaetteinrichtung fuer die seitenkante eines bogens

Publications (3)

Publication Number Publication Date
EP0297220A2 EP0297220A2 (de) 1989-01-04
EP0297220A3 EP0297220A3 (en) 1990-02-28
EP0297220B1 true EP0297220B1 (de) 1993-01-13

Family

ID=6327509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88105257A Expired - Lifetime EP0297220B1 (de) 1987-05-14 1988-03-31 Bogenglätteinrichtung für die Seitenkante eines Bogens

Country Status (3)

Country Link
EP (1) EP0297220B1 (enrdf_load_html_response)
AT (1) ATE84493T1 (enrdf_load_html_response)
DE (2) DE3716085A1 (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009027868A1 (de) 2008-09-03 2010-03-04 Manroland Ag Bogenführung für die Seitenkante eines Bogens

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242731A1 (de) * 1992-12-17 1994-06-23 Heidelberger Druckmasch Ag Vorrichtung zum seitlichen Ausrichten von Bogen in Druckmaschinen
DE29607343U1 (de) * 1996-04-23 1996-07-18 MAN Roland Druckmaschinen AG, 63075 Offenbach Bogenführungseinrichtung an einer Seitenziehvorrichtung für eine Bogenverarbeitungsmaschine
DE10047077B4 (de) * 2000-09-22 2005-08-11 Koenig & Bauer Ag Vorrichtung zum seitlichen Ausrichten
DE10048314B4 (de) * 2000-09-28 2005-09-08 Koenig & Bauer Ag Seitenziehvorrichtung
DE10222055A1 (de) * 2002-05-17 2003-11-27 Koenig & Bauer Ag Einrichtung zum Einstellen des Bogenniederhalters
DE10246297B4 (de) * 2002-10-02 2007-01-25 Man Roland Druckmaschinen Ag Niederhaltereinrichtung in der Bogenanlage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647205A (en) * 1970-05-15 1972-03-07 Polygraph Leipzig Method and apparatus for feeding of sheets fittingly aligned to a machine
DD135818B1 (de) * 1978-04-19 1981-06-24 Guenter Weisbach Einrichtung zum ausrichten von bogen in bogenverarbeitenden maschinen
DE2824932C3 (de) * 1978-06-07 1984-03-29 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Seitenziehvorrichtung für auszurichtende Bogen auf einem Anlegetisch zugeführter Bogen einer bogenverarbeitenden Maschine
DE2929377A1 (de) * 1979-07-20 1981-02-12 Mabeg Maschinenbau Gmbh Nachf Seitenmarke
DE2929388A1 (de) * 1979-07-20 1981-02-05 Mabeg Maschinenbau Gmbh Nachf Ausrichtvorrichtung
DE3521590C1 (de) * 1985-06-15 1986-08-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogenglaetteinrichtung fuer die Greiferkante eines Bogens an der Bogenanlage einer Bogenrotationsdruckmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009027868A1 (de) 2008-09-03 2010-03-04 Manroland Ag Bogenführung für die Seitenkante eines Bogens

Also Published As

Publication number Publication date
ATE84493T1 (de) 1993-01-15
EP0297220A2 (de) 1989-01-04
DE3716085C2 (enrdf_load_html_response) 1990-05-17
DE3716085A1 (de) 1988-12-01
EP0297220A3 (en) 1990-02-28
DE3877432D1 (de) 1993-02-25

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