EP1103376A1 - Levier à galets dans des mécanismes de commande de pinces dans des cylindres de transport de feuilles dans des presses rotatives d'impression - Google Patents

Levier à galets dans des mécanismes de commande de pinces dans des cylindres de transport de feuilles dans des presses rotatives d'impression Download PDF

Info

Publication number: EP1103376A1
Authority: EP; European Patent Office
Prior art keywords: roller lever; gripper; roller; bridge; sheet
Prior art date: 1999-11-24
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

EP00124593A

Other languages

German (de)

English (en)

Other versions

EP1103376B1 (fr

Inventor

Arndt Jentzsch

Michael Beyer

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.)

1999-11-24

Filing date

2000-11-10

Publication date

2001-05-30

1999-11-24 Priority claimed from DE19956369A external-priority patent/DE19956369A1/de

2000-11-10 Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG

2001-05-30 Publication of EP1103376A1 publication Critical patent/EP1103376A1/fr

2002-06-19 Application granted granted Critical

2002-06-19 Publication of EP1103376B1 publication Critical patent/EP1103376B1/fr

2020-11-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000012546 transfer Methods 0.000 title description 7
230000007246 mechanism Effects 0.000 title 1
210000002105 tongue Anatomy 0.000 claims abstract description 22
230000005540 biological transmission Effects 0.000 claims description 3
238000013461 design Methods 0.000 claims description 2
238000004140 cleaning Methods 0.000 description 5
230000033001 locomotion Effects 0.000 description 2
238000011144 upstream manufacturing Methods 0.000 description 2
101100116570 Caenorhabditis elegans cup-2 gene Proteins 0.000 description 1
101100116572 Drosophila melanogaster Der-1 gene Proteins 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
210000003746 feather Anatomy 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000000034 method Methods 0.000 description 1

Images

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
- B41F21/10—Combinations of transfer drums and grippers
- B41F21/104—Gripper details

Definitions

the invention relates to a roller lever in gripper control gears on sheet-guiding cylinders in sheet-fed rotary printing machines.
Grippers on sheet-guiding cylinders in printing machines are used to convey sheets. You take over the sheet in the sheet transfer area from a upstream transport system and transfer the sheet in the sheet transfer area to a downstream transport system.
Grippers of this type which consist of a gripper stop fixed to the cylinder and the controllable gripper tongue, have long been known. They are opened and closed by means of cam control gears, whereby the law of motion of a gripper control cam fixed to the frame on the side of the sheet-guiding cylinder is transmitted via cam roller and roller lever to the gripper shaft, on which the grippers with their gripper tongues are distributed over the width of the cylinder.
the grippers are controlled by a positive fit via the contour of the control cam, i.e. the gripper is closed when the cam roller runs through a high detent of the gripper control cam, the roller lever acting against spring force so that the grippers open as soon as the roller lever has a low detent happened on the periphery of the gripper control curve.
a gripper control on sheet-guiding cylinders by means of cam gear can be found in DE-OS 30 15 795.
the disadvantage of this is that, due to the inevitable coupling between the gripper position and the rotational angle position of the sheet-guiding cylinder, the grippers cannot be opened in rotationally accessible positions that are easily accessible from the outside for required operator actions such as cleaning work or adjustment (adjustment of the gripper pressure).
the advantage of the solution according to the invention is that the gripper impact surfaces and the gripper tongues can be made accessible for cleaning or adjustment in any desired angular position of the sheet-guiding cylinder with little assembly effort on an easily accessible assembly.
the particular advantage of the roller lever according to claim 6 is that the gripper adjustment can be carried out by means of a teaching with minimal effort.
a pressure cylinder 1 which is the guide here serves not shown bow, introduced a cylinder channel 2. This extends axially via the pressure cylinder 1 and receives a rotatable gripper shaft 3.
a number of grippers lie side by side on the gripper shaft 3 in the cylinder channel 2 4 arranged for detecting the sheet arriving from the upstream transfer cylinder.
the sheet is held by the gripper 4 during printing and then on the subordinate transfer cylinder, not shown here.
the grippers 4 have gripper tongues 7 which are closed in the functional position and on the edge area of the cylinder channel 2 press fixed gripper arms 8 and so the bow fix it on the printing cylinder 1.
a roller lever 6 with a cam roller 5 is rotatably associated with one end of the gripper shaft 3.
the cam roller 5 rolls on a fixed in the frame of the printing press Gripper control curve 9, the contact pressure of the cam roller 5 by an inside the gripper shaft 3 arranged torsion bar 16 is generated.
the deflections of the Cam roller 5 according to the curve law of the gripper control curve 9 thus cause the Movements of the gripper tongues 7 on the pressure cylinder 1 and thus the opening and closing the gripper 4.
the roller lever 6 is functionally configured in two parts according to the present invention (Fig. 1,2).
a first part 6.1 is non-rotatably on one side by means of clamp 17 and feather key 18 the gripper shaft 3 fixed and thus pivotable together with this.
a second part of the Roller lever 6.2 consists of two parallel webs 6.2.S, approximately in the middle (Fig.2) by one Bridge 6.2.B are connected.
the webs 6.2.S are the first roller lever part 6.1 on both sides to and in each case by means of annular clamps 6.2.K non-positively arranged on the gripper shaft 3.
On the opposite side, projecting beyond the first part 6.1, is between the cam roller 5 is mounted on both webs 6.2.
a connecting element 19 on the The end face of the gripper shaft 3 serves to transmit torque from the torsion bar spring 16 on the second roller lever part 6.2.
the connecting element 19 is form-fitting with the Torsion bar spring 16 connected and with the outer web 6.2.S of the second roller lever part 6.2 screwed.
the first part of the roller lever 6.1 lies flat on the bridge 6.2.B of the second, longer one Part 6.2 of the roller lever 6 and is by a screw 10 with the bridge 6.2.B connected.
the screw connection 10 consists of an oscillating in the bridge 6.2.B stored threaded bolt, which is arranged in a in the first roller lever part 6.1 Pendulum pin engages with internal thread.
the torque of the torsion bar spring 16 is thus via the front connecting element 19 to the second roller lever part 6.2, from this via the screw 10 on the bridge 6.2.B to the first roller lever part 6.1 and from there to the gripper shaft 3.
a lockable pinion 13 engages, which are each mounted on the bridge of the second roller lever part 6.2.
the pinion 13 can be manually e.g. via a form-fitting attack on the pinion shaft Tool can be rotated and by a locking screw arranged on the pinion shaft 14 be fixed in its opening angle position.
a fourth variant of the split roller lever (Fig.5) is the underside of the bridge 6.2.B the first variant of the roller lever from Figure 1 executed as a slope, the vertical Angle to the longitudinal axis 21 of the roller lever 6 is dimensioned so that a straight distance gauge from the outside above the cam roller 5 between bridge 6.2.B and top of the first roller lever part 6.1 can be inserted.
both roller lever parts 6.1.6.2 with the help of the respective connecting elements 10 or 11, 12 or 11, 13, 14 in their starting position brought, secured with the additional locking screw 15 (variant 2 and 3) and finally the terminals 6.2.K closed.
the clamps on the gripper shaft 3 on the second part of the roller lever 6.2 must first be released.
the opening angle of the gripper tongues 7 is only determined by the position of the first roller lever part 6.1.
the screw connection 10 is opened manually and, with further rotation of the screw connection 10, the opening angle between the longitudinal axes of the roller lever parts 6. 1, 6. 2 is enlarged and the gripper shaft 3 is rotated, so that the gripper tongues 7 lift off the gripper cuffs 8.
a distance gauge the thickness of which corresponds to the desired “overpressure”, ie the deflection of the gripper tongues 7 from their normal position on the gripper shaft 3 when closing, and thus represents a measure of the pressing force of the gripper tongues 7, between the adjusting surface 20 of the bridge 6.2.B and inserted the first roller lever part 6.1.
the connection between the two roller lever parts 6.1.6.2 is closed again, the distance gauge remaining in the gap between the two roller lever parts 6.1.6.2.
the grippers 4 need only be individually adjusted on the gripper shaft 3 so that their gripper tongues 7 lie evenly on the gripper cuffs 8. No further adjustments are required.

Landscapes

Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

EP00124593A 1999-11-24 2000-11-10 Levier à galets dans des mécanismes de commande de pinces dans des cylindres de transport de feuilles dans des presses rotatives d'impression Expired - Lifetime EP1103376B1 (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE19956369		1999-11-24
DE19956369A DE19956369A1 (de)	2000-04-15	1999-11-24	Rollenhebel in Greifersteuergetrieben an bogenführenden Zylindern in Bogenrotationsdruckmaschinen
DE10018830		2000-04-15
DE10018830A DE10018830A1 (de)	1999-11-24	2000-04-15	Rollenhebel zur Steuerung von Greifern

Publications (2)

Publication Number	Publication Date
EP1103376A1 true EP1103376A1 (fr)	2001-05-30
EP1103376B1 EP1103376B1 (fr)	2002-06-19

Family

ID=26005334

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00124593A Expired - Lifetime EP1103376B1 (fr)	1999-11-24	2000-11-10	Levier à galets dans des mécanismes de commande de pinces dans des cylindres de transport de feuilles dans des presses rotatives d'impression

Country Status (3)

Country	Link
EP (1)	EP1103376B1 (fr)
AT (1)	ATE219421T1 (fr)
DE (1)	DE10018830A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10248974B4 (de) *	2001-11-16	2019-01-24	Heidelberger Druckmaschinen Ag	Greiferanordnung in einer Rotationsdruckmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2599776A (en) *	1947-05-24	1952-06-10	Miehle Printing Press & Mfg	Sheet gripper structure and setting means therefor
EP0152553A2 (fr) *	1984-02-18	1985-08-28	M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft	Pince de feuille pour machine à imprimer
EP0194549A2 (fr) *	1985-03-12	1986-09-17	M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft	Dispositif de commande pour les pinces dans une rotative à feuilles
DE4028367A1 (de) *	1990-09-07	1992-03-12	Planeta Druckmaschinenwerk Ag	Bogenfuehrungseinrichtung in bogenbe- und verarbeitenden maschinen

2000
- 2000-04-15 DE DE10018830A patent/DE10018830A1/de not_active Withdrawn
- 2000-11-10 EP EP00124593A patent/EP1103376B1/fr not_active Expired - Lifetime
- 2000-11-10 AT AT00124593T patent/ATE219421T1/de not_active IP Right Cessation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2599776A (en) *	1947-05-24	1952-06-10	Miehle Printing Press & Mfg	Sheet gripper structure and setting means therefor
EP0152553A2 (fr) *	1984-02-18	1985-08-28	M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft	Pince de feuille pour machine à imprimer
EP0194549A2 (fr) *	1985-03-12	1986-09-17	M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft	Dispositif de commande pour les pinces dans une rotative à feuilles
DE4028367A1 (de) *	1990-09-07	1992-03-12	Planeta Druckmaschinenwerk Ag	Bogenfuehrungseinrichtung in bogenbe- und verarbeitenden maschinen

Also Published As

Publication number	Publication date
EP1103376B1 (fr)	2002-06-19
ATE219421T1 (de)	2002-07-15
DE10018830A1 (de)	2001-10-31

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Publication	Publication Date	Title
EP0170111B1 (fr)	1990-10-24	Tambour de transfert pour machine à imprimer des feuilles, en particulier pour machines de cartonnerie
DE3112964C2 (fr)	1988-07-07
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EP0523367A1 (fr)	1993-01-20	Cylindre de guidage du papier dans des machines rotatives à imprimer des feuilles
DE8816641U1 (de)	1990-01-25	Vorrichtung zur Passerkorrektur der Bogenaufdrucke in einer Bogenrotationsdruckmaschine
DE3123990A1 (de)	1983-01-13	Einstellvorrichtung fuer farb- u. feuchtwalzen an druckmaschinen
EP1103376B1 (fr)	2002-06-19	Levier à galets dans des mécanismes de commande de pinces dans des cylindres de transport de feuilles dans des presses rotatives d'impression
CH628285A5 (en)	1982-02-26	Sheet-holding device of a sheet-fed rotary printing machine which is capable of slightly deforming the printing sheet
DD258211A1 (de)	1988-07-13	Einrichtung zum steuern der greifer eines vorgreifers in bogenverarbeitenden maschinen
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