EP0120348B1 - Vorrichtung zur fliessenden Anlage von Bögen - Google Patents

Vorrichtung zur fliessenden Anlage von Bögen Download PDF

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Publication number
EP0120348B1
EP0120348B1 EP84102303A EP84102303A EP0120348B1 EP 0120348 B1 EP0120348 B1 EP 0120348B1 EP 84102303 A EP84102303 A EP 84102303A EP 84102303 A EP84102303 A EP 84102303A EP 0120348 B1 EP0120348 B1 EP 0120348B1
Authority
EP
European Patent Office
Prior art keywords
sheet
suction
alignment
drive
cylinder
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
Application number
EP84102303A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0120348A2 (de
EP0120348A3 (en
Inventor
Willi Jeschke
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6194848&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0120348(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0120348A2 publication Critical patent/EP0120348A2/de
Publication of EP0120348A3 publication Critical patent/EP0120348A3/de
Application granted granted Critical
Publication of EP0120348B1 publication Critical patent/EP0120348B1/de
Expired 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
    • B65H11/00—Feed tables
    • B65H11/002—Feed tables incorporating transport 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
    • B65H11/00—Feed tables
    • B65H11/007—Feed tables with front stop arrangements
    • 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/24—Feeding articles in overlapping streams, i.e. by separation of articles from a 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
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a device for the flowing application of sheets, which are fed over a feed table, offset in scales, to an alignment device and, after the alignment process, are delivered to a sheet-processing machine, the front edge alignment being effected by an alignment cylinder with front marks which are moved synchronously with the sheet-processing machine, which in the Alignment cylinder is a suction bar positioned in the axial direction upstream, which acts as a gripping means, the sheets maintaining their movement towards the sheet processing machine during the alignment.
  • DE-AS 12 10 900 has already disclosed a device for the smooth application of arches. Specifically, it is a sheet feeder for printing and sheet processing machines with sheet conveyors which act on both sides of the sheet center and can be controlled independently of one another.
  • the control of the sheet conveying means effect light barriers, at least two of which are arranged one behind the other in the conveying direction.
  • the control pulses of these sensing elements which are designed as light barriers, vary the conveying speed of the respectively assigned sheet conveying means via a differential circuit such that the leading edge of the sheet approaches the takeover point in synchronous speed parallel to the gripper system and is taken over by the machine without a previous stop.
  • the lateral alignment of the sheet takes place at the same time as it is moving to the takeover point of the machine by means of a diagonal drive with the aid of lateral control marks.
  • the sheets which are placed in a scale from the stack to the table, are to be pulled apart there by increasing the speed so that they pass the table in single sequence.
  • a single sheet feeder which performs the front and side edge alignment of the sheets by means of a continuously rotating alignment cylinder when the sheet is conveyed fluently.
  • the leading edges of the sheets that are fed individually over the feed table are placed against the front marks provided on the circumference of the alignment cylinder.
  • the side alignment takes place by means of suction strips arranged axially displaceably on the alignment cylinder.
  • the sheet touching the front marks is moved by the suction strips against a side stop during the cylinder rotation.
  • the object of the invention is to achieve a safe front and side edge alignment with the most gentle treatment of the sheet edges and for all types of paper to be processed with a flowing sheet system.
  • the above object is achieved in that at least two rows of front marks are arranged in the alignment cylinder, evenly distributed over the circumference, and that sensors belonging to a positioning device are provided above the alignment cylinder, which sensors scan the side edge of the sheet passed in the alignment area, as a result of which the positioning device the suction strip in this way controls that the sheet lying against the front marks and firmly sucked in by the squeegee is shifted into the desired lateral position and is held there until other conveying elements which further convey it take over in a fitting manner.
  • a particularly simple development of the invention consists in that the alignment cylinder is also simultaneously designed as a pre-gripper cylinder and, provided with at least one front and side edge alignment device, is cyclically non-uniformly driven.
  • sheets 2 are conveyed in a scale-like manner by transport members, symbolized by the roller 5 and the conveyor belt 25, in the direction of the sheet-processing machine.
  • the foremost bow 4 of the scale is gripped by an alignment cylinder 20 which is mounted below the lower end of the feed table 1 in the machine side walls 21 and 22.
  • the bearing of the shaft 23 of the alignment cylinder 20 consists of one roller bearing 24 each.
  • the alignment cylinder 20 is followed by a half-speed pre-gripper cylinder 3, which can be driven cyclically non-uniformly and transfers the sheet taken over to the printing cylinder 50 of the first printing unit of the sheet-processing machine.
  • the frontmost sheet 4 of the scale is placed and aligned with its front edge against a row of front marks 6 of the alignment cylinder 20. After its alignment, the sheet 4 is sucked in by a suction strip 8 in such a way that static friction arises. Due to this fixed suction, the sheet 4 of the scale is conveyed into the alignment area 26 by the counterclockwise rotating alignment cylinder 20. After the side alignment, which will be described in detail later, the alignment cylinder 20 transfers the aligned sheet to a gripper bridge 27 of the Pre-gripper cylinder 3.
  • the alignment cylinder 20 is provided with five rows of front marks 6 arranged symmetrically offset on the circumference. A suction squeegee 8 is directly assigned to each of these front row rows.
  • the special design of the alignment cylinder 20 can be found in detail in FIGS. 2 and 3.
  • arc guide segments 28 are provided in the lateral surface of the alignment cylinder 20. They are mounted on a traverse 29 so that they can be adjusted in the axial direction of the alignment cylinder 20 in such a way that a query gap 15 for a positioning device can be formed between two of them.
  • the longitudinal extent of the arc guide segments 28 extending in the circumferential direction corresponds approximately to the circumferential length of the alignment region 26.
  • a traverse 49 extending across the machine is fastened in the side walls 21 and 22 above the alignment cylinder 20, on which one or two sensors 16 of a positioning device, not shown, are slidably arranged. These sensors 16 are used to trigger a signal when the side edge of the sheet 4 passes the positioning device for corresponding control of the suction strip 8.
  • the sensors 16 are set to the sheet format to be processed in each case.
  • the sheet guide segments 28 provided in this area are also arranged relative to one another in such a way that an interrogation gap 15 is formed directly underneath the sensor 16.
  • the aligned sheet 4 is passed on from the alignment cylinder 20 to the gripper bridge 27 of the pre-gripper cylinder 3.
  • the two gripper bridges 27 are pivotally arranged in the pre-gripper cylinder 3 such that, after the sheet has been picked up, they gradually pivot back onto the circumference of the pre-gripper cylinder 3, whereby the detected sheet 4 gradually increases from the relatively low circumferential speed of the alignment cylinder 20 the higher peripheral speed of the pre-gripper cylinder 3 is accelerated.
  • a roller lever 33 is fastened, the free end of which is provided with a guide roller 34, which cooperates on a control cam 35 rotating with the alignment cylinder 20.
  • the mentioned supports 36 are fixedly mounted on the swivel shaft 31 which runs coaxially in the alignment cylinder 20.
  • the front label cover gripper 30 When the carrier 36 is pivoted in the opposite direction, the front label cover gripper 30 initially pivots out of its retracted position beyond the circumference of the alignment cylinder and are then tilted into their sheet guiding position.
  • a sheet guiding surface 37 is provided over a certain area in front of each row of front marks 6 in the circumference of the alignment cylinder 20.
  • the suction strip 8 consists essentially of a series of mutually sealed suction chambers 10. These are connected via air lines 38 to a valve body 39 in such a way that the two outer suction chamber groups by means of valves 40 depending on the size of the can be switched on or off to be processed sheet format.
  • the valve body 39 is fixedly attached to the shaft 23 of the alignment cylinder 20. Via a seal 41, it cooperates with a valve ring 42 which is fastened to the machine side wall 21 of the sheet-processing machine.
  • a suction opening 44 and a fresh air opening 45 are provided in the control surface 43 of the valve ring 42 at the same radial height from the axis of rotation of the alignment cylinder 20.
  • the control surface 46 of the valve body 39 has an air control opening 47 for each suction pull bar 8, to which all air lines 38 of the suction chambers 10 of the associated suction strips 8 are connected.
  • the air control openings 47 are at the same radial height as the suction and fresh air openings.
  • the width of the air control openings 47 corresponds approximately to the distance between the suction opening 44 and the fresh air opening 45.
  • the suction opening 44 of the valve ring 42 is connected via an air line 48 to a vacuum generator, not shown.
  • suction opening 44, the fresh air opening 45 and the air control opening 47 are such that the negative pressure generated in the respective suction pulling strip 8 is sufficient to hold the sheet 4 by means of static friction and, on the other hand, immediately collapses when fresh air is supplied as soon as the gripper bridge 27 fits the sheet leading edge precisely has firmly taken over.
  • FIG. 3 shows a section through the sheet feeder at the level of the alignment drum 20 as seen from the sheet processing machine
  • the drive of the suction pulling bars 8 is located on the drive side of the sheet feeder.
  • This drive initially consists of a stepper motor 11 with a reduction gear, which is fastened to the side wall 22 by means not shown.
  • two drive cams 12 of the same design are fastened, which are diametrically opposed to one another in such a way that their two cam tracks always have the same distance in the diagonal direction to the axis of rotation of the stepping motor 11.
  • a cam roller 13 runs on each of these drive curves 12: Both cam rollers are fastened to a drive rod 54 via a bearing block 53.
  • Drive curves 12 and cam rollers 13 work together in such a way that the rotational movement of the stub shaft 14 of the stepping motor 11 is transmitted to the drive rod 54 without play.
  • the drive rod 54 is axially displaceably mounted, one in the guide bracket 55 and the other in the machine side wall 22. Both bearings consist of ball bushings 56.
  • the free end of the drive rod 54, which projects into the interior of the machine, is provided with a control segment 57, which can come into engagement with drive rollers 58 of each squeegee 8, in such a way that the axial drive movement of the drive rod 54 is transmitted to the squeegee 8 to be driven in each case without play.
  • the control segment 57 is displaceably accommodated in a recess of a return disk 59 in the axial direction of the drive rod 54.
  • a guide 60 protrudes into this recess of the return disk 59.
  • a guide roller 61 runs in it. It is rotatably attached to the underside of the control segment 57. Guide 60 and guide roller 61 together prevent the drive rod 54 from rotating. Both the guide 60 and the return disk 59 are fastened to the machine side wall 22.
  • FIG. 5 shows the essential working positions of the control segment 57.
  • the control segment 57 is in its central zero position. It takes up this position before an adjustment of a suction pulling strip 8 is to be carried out.
  • the drive rollers 58 which are normally guided by the return disk 59, have a suction pull bar 8 which, as can be seen from the above, rotates with the alignment cylinder 20, has just reached the control segment 57. At this moment, the adjustment process of the suction strip 8 can begin.
  • the stepper motor 11 rotates the drive curves 12 via its shaft end 14 in such a way that the drive rod 54 is pulled via the cam rollers 13 in the direction of the drive side of the sheet-processing machine. After the maximum stroke has been covered, the suction strip 8 stops. This position is shown in Figure 4. If, on the other hand, the stepping motor 11 is controlled by the positioning device, which is normally the case, the control segment 57 stops at any desired point before the maximum stroke is reached. The adjusted suction strip 8 travels the necessary alignment stroke. When the alignment process is complete, the aligned sheet 4 is taken over by funding. After this adjustment process, the return disk 59 returns the suction strip 8 to the zero position.
  • the stepper motor 11 is also switched accordingly. Accordingly, it moves the drive rod 54 into the interior of the machine during the alignment process, to a maximum of the position shown in FIG. 6. With appropriate positioning, the control segment 57 naturally also comes to a standstill in front of this end position, because the suction strip 8 has reached the desired position of the sheet to be aligned. In this position, the suction strip 8 holds the aligned sheet until it has been taken over by the pre-gripper cylinder 3. After the sheet has been handed over, the adjusted suction strip 8 is returned to the zero position by means of the return disk 59.
  • the side edge alignment then begins in the alignment region 26. It is opened by firmly sucking the front area of the sheet 4 to be aligned against the suction surface 9 of the suction strip 8. The suction force is such that static friction is generated between the underside of the sheet and the suction surface 9. The sheet 4 has thus been gripped after the leading edge alignment.
  • the gripper bridge 27 If the gripper bridge 27 has securely gripped the aligned sheet 4, the air control opening 47 of the valve body 39 of the suction strip 8 which has just been subjected to a vacuum reaches the fresh air opening 45, as a result of which the vacuum suddenly breaks down due to the supply of fresh air. The static friction between the suction surface 9 of the suction strip 8 and the underside of the sheet 4 is eliminated. The sheet 4, which is in the correct position, can now be lifted off the sheet guiding surface 37 by the gripper bridge 27.
  • the carrier 36 is pivoted by means of the control shaft 31.
  • the guide roller 34 runs along the control cam 35 and first of all causes the front label cover gripper to be lifted off 30 from the sheet 4 and then swiveling the front mark cover grippers 30 into the alignment cylinder 20.
  • the gripper bridge 27 of the feed cylinder 3 can now remove the aligned sheet 4 from the lateral surface of the alignment cylinder 20.
  • the suction strip 8 just used is moved back into the zero position according to FIG. 5 during the further rotation of the alignment cylinder 20.
  • each suction strip 8 is again in readiness.
  • the front mark cover grippers 30 are pivoted out in this position, so that a secure contact of the leading edge of the sheet 4 now to be aligned with the front marks 6 is ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP84102303A 1983-03-26 1984-03-03 Vorrichtung zur fliessenden Anlage von Bögen Expired EP0120348B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833311196 DE3311196A1 (de) 1983-03-26 1983-03-26 Verfahren zur fliessenden anlage von boegen
DE3311196 1983-03-26

Publications (3)

Publication Number Publication Date
EP0120348A2 EP0120348A2 (de) 1984-10-03
EP0120348A3 EP0120348A3 (en) 1986-04-23
EP0120348B1 true EP0120348B1 (de) 1988-09-28

Family

ID=6194848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102303A Expired EP0120348B1 (de) 1983-03-26 1984-03-03 Vorrichtung zur fliessenden Anlage von Bögen

Country Status (12)

Country Link
US (1) US4588184A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0120348B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59179348A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU565405B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8401361A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1207347A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3311196A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK66884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (2) ES8500133A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2136777B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO158612C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA84836B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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JP2013184758A (ja) * 2012-03-06 2013-09-19 Fuji Xerox Co Ltd 搬送装置、転写装置、画像形成装置
DE102017012278B3 (de) 2017-11-27 2019-06-06 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017221215B4 (de) 2017-11-27 2023-04-06 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017221220B4 (de) 2017-11-27 2021-05-20 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017221216B4 (de) 2017-11-27 2019-06-27 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017012276B4 (de) 2017-11-27 2019-06-06 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017012279B3 (de) 2017-11-27 2019-06-27 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017221221A1 (de) 2017-11-27 2019-05-29 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102017012277B4 (de) 2017-11-27 2019-06-06 Koenig & Bauer Ag Bogenverarbeitende Maschine
DE102020107838B4 (de) 2020-03-23 2023-05-11 Koenig & Bauer Ag Bogenverarbeitende Maschine mit einem Bogentrenner
DE102020107837B4 (de) 2020-03-23 2023-07-06 Koenig & Bauer Ag Bogenverarbeitende Maschine mit einem Bogentrenner
DE102020107836B4 (de) 2020-03-23 2022-10-20 Koenig & Bauer Ag Bogenverarbeitende Maschine mit einem Bogentrenner

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DE2924636C2 (de) * 1979-06-19 1985-01-31 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Bogengreifervorrichtung für Gegendruckzylinder und Übergabetrommeln von Bogen-Rotationsdruckmaschinen
CH641114A5 (de) * 1979-10-17 1984-02-15 Grapha Holding Ag Bogenanleger.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009008781A1 (de) 2008-03-17 2009-09-24 Heidelberger Druckmaschinen Ag Vorrichtung zum Ausrichten von Bogen mittels auf einem Zylinder angeordneter Anschläge
DE102009008781B4 (de) 2008-03-17 2022-05-12 Heidelberger Druckmaschinen Ag Vorrichtung zum Ausrichten von Bogen mittels auf einem Zylinder angeordneter Anschläge

Also Published As

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EP0120348A2 (de) 1984-10-03
GB8406537D0 (en) 1984-04-18
AU565405B2 (en) 1987-09-17
CA1207347A (en) 1986-07-08
ES530881A0 (es) 1984-11-01
NO158612C (no) 1988-10-12
ES530880A0 (es) 1984-11-01
NO841150L (no) 1984-09-27
DE3311196C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-16
DE3311196A1 (de) 1984-10-04
AU2500384A (en) 1984-09-27
ES8500133A1 (es) 1984-11-01
DK66884D0 (da) 1984-02-14
ZA84836B (en) 1984-09-26
NO158612B (no) 1988-07-04
US4588184A (en) 1986-05-13
JPS59179348A (ja) 1984-10-11
BR8401361A (pt) 1984-10-30
GB2136777A (en) 1984-09-26
GB2136777B (en) 1986-08-13
ES8500134A1 (es) 1984-11-01
EP0120348A3 (en) 1986-04-23
DK66884A (da) 1984-09-27
DE3474287D1 (en) 1988-11-03
JPH0437784B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-06-22

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