EP0922576A1 - Dispositif de guidage de feuilles avec une surface de guidage dans une machine à imprimer - Google Patents

Dispositif de guidage de feuilles avec une surface de guidage dans une machine à imprimer Download PDF

Info

Publication number: EP0922576A1
Authority: EP; European Patent Office
Prior art keywords: sheet; guiding device; sheet guiding; attachment element; transfer area
Prior art date: 1997-11-27
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

EP98121692A

Other languages

German (de)

English (en)

Other versions

EP0922576B1 (fr

Inventor

Udo Trillig

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.)

1997-11-27

Filing date

1998-11-13

Publication date

1999-06-16

1998-11-13 Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG

1999-06-16 Publication of EP0922576A1 publication Critical patent/EP0922576A1/fr

2001-11-28 Application granted granted Critical

2001-11-28 Publication of EP0922576B1 publication Critical patent/EP0922576B1/fr

2018-11-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000011144 upstream manufacturing Methods 0.000 claims description 2
239000011248 coating agent Substances 0.000 description 5
238000000576 coating method Methods 0.000 description 5
239000000463 material Substances 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 1
239000000758 substrate Substances 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

Definitions

the invention relates to a sheet guiding device with a guide surface in one Printing machine according to the preamble of the main claim.
a sheet guiding device of this type is known from EP 0 156 173 B1.
the sheet guiding device is formed by a multiplicity of air supply boxes (called flow channels) composed of modules and coupled to fans with a uniform guide surface.
the air supply boxes have openings in the guide surface as air nozzles, which can be acted upon by the fans with suction air or blown air.
air supply boxes are formed with comb-shaped ends at the ends, which are part of the air supply boxes.
the disadvantage here is the high manufacturing effort and that the comb-shaped design does not take into account the sheet behavior with different substrates.
the replacement of an air supply box with a comb-shaped design is complex.
the invention has for its object a sheet guiding device to create the type described above, which avoids the disadvantages mentioned, which, in particular, allows a more uniform curve guidance along a guide surface and possible damage to the printing material, especially in the area the trailing edge of the sheet, noticeably reduced.
the invention relates to a sheet guiding device with an attachment element which is assigned to the transfer area of two gripper systems.
the gripper systems can be arranged on a sheet guide cylinder and / or a rotating chain system.
the advantage of the design is that the attachment element according to the invention protrudes as close as possible into the transfer area without causing damage in the area of the trailing edge of the sheet.
the attachment element thus has a doctor function to the adjacent sheet guide cylinder.
the attachment element is detachably connected to the fixed sheet guiding device, so that the attachment element can also be retrofitted into existing sheet guiding devices (for example according to EP 0156173 B1). There is no need to change such air supply boxes.
the attachment element is easily exchangeable and can therefore be adapted in accordance with the printing material to be processed, for example in the number or shape of the tines, the weight per unit area and thus the course of the sheet.
Another advantage is based on the fact that at least the tines have a circumferential curve, at least facing the printing material. This prevents possible tearing in the area of the trailing edge of the sheet.
the solution according to the invention is not limited to the design described below in the exemplary embodiment. Rather, the solution according to the invention is also suitable for other areas of application within the printing press.
the attachment element in the sheet emergence of a sheet guiding device is arranged upstream of the transfer area of two gripper systems.
the top element is arranged above a sheet guiding cylinder after the transfer area of two gripper systems and directed against the conveying direction.
a sheet-fed rotary printing press consists, for example, of several printing units 1 and a coating unit 2, which in the conveying direction 12 are arranged in series.
the coating unit 8 is a cantilever 9 in the conveying direction 12 with circumferential chain systems 14, which the sheets in the gripper at a Transport and place the delivery stack, subordinate.
Every printing unit 1 consists of a plate cylinder 2, a blanket cylinder 3 and a Sheet guiding cylinder 4, here a printing cylinder.
Each plate cylinder 2 is assigned an inking unit and, if necessary, a dampening unit, on which here should not be discussed in more detail.
the coating unit 8 has a metering system 7, e.g. a chambered doctor blade with screened application roller, which with a Forme cylinder 6 is in functional connection.
the forme cylinder 6 is again a Sheet guide cylinder 4, here assigned as a printing cylinder.
the sheet guiding cylinders 5 are designed here as transfer drums.
the sheet guide cylinders 4, 5 and the chain systems 14 have gripper systems 13 for the sheet transport on.
the sheet guiding cylinders 5 and the chain systems 14 are sheet guiding devices 11, preferably adjacent in a modular arrangement assigned.
a sheet from the first gripper system is in a transfer area 10 handed over to a second gripper system.
the sheet guiding device 11 has a guide surface 22, soft openings 23 for the discharge of blown air or for the entry of suction air having.
a comb-shaped attachment element 24 detachably arranged, which comes close to the transfer area 10.
the attachment element 24 according to the invention has a guide surface 16, which are aligned with the guide surface 22 in the direction of its curvature is.
the attachment element 24 has the width of the sheet guide cylinder 4, 5 a plurality of tines 17 arranged on a bar 19 Prongs 17 are arranged at a defined distance from one another and form thus free spaces 18 through the at least one gripper system 13, which none Arch leads, can pass.
the strip 19 is connected by means of connecting means 20, e.g. Screw connections, releasably attached to the sheet guiding device 11.
connecting means 20 e.g. Screw connections
the rounding 21 can relate to the prongs 17 associated side of the bar 19 extend.
the curves 21 preferably point a radius of 1.0 to 5.0 mm.
the mode of operation is as follows: in the transfer area 10, the sheet is transferred from the rotating sheet guide cylinder 4 (printing cylinder) in the conveying direction 12 to the rotating sheet guide cylinder 5 (transferter) with the leading edge. After the transfer area 10, the sheet still adheres to the outer surface of the sheet guide cylinder 4 with part of the sheet.
the comb-shaped attachment element 17 projects close to the transfer area 10 and peels off the remaining sheet from the lateral surface of the sheet guide cylinder 4.
the sheet is guided approximately on a sheet conveying plane 15 shown in FIG. 2 and slides along the guiding surfaces 16 and 22 in this sheet conveying plane 15.
the comb-shaped attachment element 24 can, if necessary, be replaced by a further attachment element 24, for example with a different radius of the curves 21.
the attachment element 24 can also be arranged firmly on the sheet guiding device 11.

Landscapes

Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

EP98121692A 1997-11-27 1998-11-13 Dispositif de guidage de feuilles avec une surface de guidage dans une machine à imprimer Expired - Lifetime EP0922576B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE29720989U DE29720989U1 (de)	1997-11-27	1997-11-27	Bogenführungseinrichtung mit einer Leitfläche in einer Druckmaschine
DE29720989U		1997-11-27

Publications (2)

Publication Number	Publication Date
EP0922576A1 true EP0922576A1 (fr)	1999-06-16
EP0922576B1 EP0922576B1 (fr)	2001-11-28

Family

ID=8049173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98121692A Expired - Lifetime EP0922576B1 (fr)	1997-11-27	1998-11-13	Dispositif de guidage de feuilles avec une surface de guidage dans une machine à imprimer

Country Status (4)

Country	Link
EP (1)	EP0922576B1 (fr)
JP (1)	JPH11221904A (fr)
AT (1)	ATE209569T1 (fr)
DE (2)	DE29720989U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2341850A (en) *	1998-09-26	2000-03-29	Roland Man Druckmasch	Sheet guiding arrangement
CN1302923C (zh) *	2002-04-08	2007-03-07	小森公司	纸页导引设备
CN100340401C (zh) *	2002-02-20	2007-10-03	Kba-吉奥里股份有限公司	具有纸张导向部件的用于输送纸张的装置
CN118457039A (zh) *	2023-02-09	2024-08-09	海德堡印刷机械股份公司	用于在印刷机中引导页张的设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005032601A1 (de)	2005-01-07	2006-07-20	Heidelberger Druckmaschinen Ag	Druckmaschine
DE102022104772A1 (de)	2022-03-01	2023-09-07	Heidelberger Druckmaschinen Aktiengesellschaft	Vorrichtung zum Leiten von Druckbogen in einer Druckmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0156173A2 (fr) *	1984-03-24	1985-10-02	M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft	Dispositif de guidage de feuilles imprimées sur une et sur deux faces
DE4424964A1 (de) *	1994-07-15	1996-01-18	Kba Planeta Ag	Bogenleiteinrichtung zum Wenden von Bogen
DE19546046A1 (de) *	1995-12-09	1997-06-12	Heidelberger Druckmasch Ag	Bogenführsystem für eine Druckmaschine

1997
- 1997-11-27 DE DE29720989U patent/DE29720989U1/de not_active Expired - Lifetime
1998
- 1998-11-13 EP EP98121692A patent/EP0922576B1/fr not_active Expired - Lifetime
- 1998-11-13 DE DE59802226T patent/DE59802226D1/de not_active Expired - Fee Related
- 1998-11-13 AT AT98121692T patent/ATE209569T1/de not_active IP Right Cessation
- 1998-11-27 JP JP10337547A patent/JPH11221904A/ja active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0156173A2 (fr) *	1984-03-24	1985-10-02	M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft	Dispositif de guidage de feuilles imprimées sur une et sur deux faces
DE4424964A1 (de) *	1994-07-15	1996-01-18	Kba Planeta Ag	Bogenleiteinrichtung zum Wenden von Bogen
DE19546046A1 (de) *	1995-12-09	1997-06-12	Heidelberger Druckmasch Ag	Bogenführsystem für eine Druckmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2341850A (en) *	1998-09-26	2000-03-29	Roland Man Druckmasch	Sheet guiding arrangement
GB2341850B (en) *	1998-09-26	2000-11-08	Roland Man Druckmasch	Sheet guiding arrangement with a guide surface in a printing press
CN100340401C (zh) *	2002-02-20	2007-10-03	Kba-吉奥里股份有限公司	具有纸张导向部件的用于输送纸张的装置
CN1302923C (zh) *	2002-04-08	2007-03-07	小森公司	纸页导引设备
CN118457039A (zh) *	2023-02-09	2024-08-09	海德堡印刷机械股份公司	用于在印刷机中引导页张的设备

Also Published As

Publication number	Publication date
JPH11221904A (ja)	1999-08-17
DE59802226D1 (de)	2002-01-10
EP0922576B1 (fr)	2001-11-28
DE29720989U1 (de)	1998-01-08
ATE209569T1 (de)	2001-12-15

Legal Events

Date	Code	Title	Description
1999-04-30	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1999-06-16	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
1999-07-07	17P	Request for examination filed	Effective date: 19990511
2000-02-23	AKX	Designation fees paid	Free format text: AT DE FR GB
2001-03-09	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2001-04-02	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2001-04-02	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2001-04-20	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2001-05-02	17Q	First examination report despatched	Effective date: 20010315
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2002-10-29	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: AT Payment date: 20021029 Year of fee payment: 5
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