EP0254847A2 - Dispositif d'entraînement des pinces oscillantes d'une machine à imprimer - Google Patents

Dispositif d'entraînement des pinces oscillantes d'une machine à imprimer Download PDF

Info

Publication number: EP0254847A2
Authority: EP; European Patent Office
Prior art keywords: eccentric shaft; shaft; gripper; gear; eccentric
Prior art date: 1986-06-26
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

EP87108406A

Other languages

German (de)

English (en)

Other versions

EP0254847B1 (fr

EP0254847A3 (en

Inventor

Hans Wilhelm Dr. Ing. Leyendecker

Paul Abendroth

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.)

1986-06-26

Filing date

1987-06-11

Publication date

1988-02-03

1987-06-11 Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG

1987-06-11 Priority to AT87108406T priority Critical patent/ATE66183T1/de

1988-02-03 Publication of EP0254847A2 publication Critical patent/EP0254847A2/fr

1989-06-28 Publication of EP0254847A3 publication Critical patent/EP0254847A3/de

1991-08-14 Application granted granted Critical

1991-08-14 Publication of EP0254847B1 publication Critical patent/EP0254847B1/fr

2007-06-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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
- B41F21/04—Grippers
- B41F21/05—In-feed grippers

Definitions

the invention relates to a device for driving a vibrating pre-gripper of a printing press according to the preamble of the first claim.
Such devices are well known and e.g. described in one embodiment in DE-PS 2 220 343.
the disadvantage is that to control the movement of the pre-gripper shaft non-positively interacting drive parts are provided.
a lever arm is constantly pressed against a roller by means of a cam control by means of a spring.
the components involved in the adhesion are inevitably very heavily stressed by the large inertial forces caused by the high angular velocities and accelerations of the pre-gripper.
the invention is based on the object, in a device of the type mentioned, form-fittingly interacting drive parts and a coaxial arrangement of the input and output shaft for initiating the additional movement which the continuous rotary movement of the excavating eccentric eccentric is provided.
the advantage of the invention is in particular that the mass forces are minimized. At the same time, pre-assembly, final assembly and interchangeability of the device are improved.
An eccentric shaft 2 is rotatably mounted in a housing shell 3 on the side stand 15 and in the opposite side stand, which is not shown in the drawing.
a gear 4 which is in constant engagement with a rotating with the pressure cylinder, not shown in the drawing drive gear.
cam discs 7, 8 are fixed, the main and secondary via cam rollers 10, 11 with a Double roller lever 9 are positively connected.
a coupling 12 is articulated in the articulation point 22, which is also articulated eccentrically in a crank point 19 in an externally toothed gear 13 of an epicyclic differential gear 1, which is rotatably mounted on the eccentric shaft 2.
the double roller lever 9 is rotatably mounted in the housing shell 3 in the frame point 21.
the externally toothed gear 13 of the epicyclic differential gear 1 is in constant engagement with an internally toothed gear 14 which is rotatably supported on the hub 18 of a further externally toothed gear 17.
This externally toothed gear 17 is fixedly connected to the pre-gripper shaft 16 and the hub 18, is rotatably supported on the eccentric shaft 2 and is also in constant engagement with the internally toothed gear 14.
the central axes of the two externally toothed gears 13, 17 of the planetary gear differential gear 1 are offset by the size of the 15 eccentricity, ie the distance between the central axes.
Gear 4 is driven at the machine speed and sets the double roller lever 9 in a form-locking manner via the cam disks 7, 8 and cam rollers 10, 11 which are firmly connected to the eccentric shaft 2.
the pre-gripper shaft 16 is permanently connected to the externally toothed gear 17.
the internally toothed gear 14 of the epicyclic differential gear 1 overlaps the circular movement of the eccentric shaft 2 with the oscillating rotary movement of the externally toothed gear 13 for the required movement 20 on the externally toothed gear 17.
the movement 20 the pre-gripper shaft 16 on the externally toothed gear 17 is indicated by dashed lines in FIG. 3.
the chronological sequence ensures that the grippers 6 are at rest when the sheet is taken over from the system table 5, the sheet is transferred to the grippers of the printing cylinder (not shown) at the same speed and an end of the return movement in which the grippers 6 are removed from the printing cylinder into the rest position and be gradually brought back to the starting position for the acquisition of a new arch.
the invention is not limited to the embodiment described above, but the movement 20 can also be generated in kinematic reversal by fixed instead of rotating cams 7, 8 and a comparable epicyclic differential gear which is coupled to a revolving four-link crank gear. It is essential to the invention that input and output shafts are used to generate the additional movement of the pre-gripper shaft, which are not located far apart but are arranged coaxially in order to superimpose an oscillating movement with minimized mass forces on the continuous rotary movement of the lifting pre-gripper eccentric.

Landscapes

Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Advancing Webs (AREA)
Inking, Control Or Cleaning Of Printing Machines (AREA)
Discharge By Other Means (AREA)
Transmission Devices (AREA)
Retarders (AREA)

EP87108406A 1986-06-26 1987-06-11 Dispositif d'entraînement des pinces oscillantes d'une machine à imprimer Expired - Lifetime EP0254847B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT87108406T ATE66183T1 (de)	1986-06-26	1987-06-11	Vorrichtung zum antrieb eines schwingenden vorgreifers einer druckmaschine.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3621385		1986-06-06
DE19863621385 DE3621385A1 (de)	1986-06-26	1986-06-26	Vorrichtung zum antrieb eines schwingenden vorgreifers einer druckmaschine

Publications (3)

Publication Number	Publication Date
EP0254847A2 true EP0254847A2 (fr)	1988-02-03
EP0254847A3 EP0254847A3 (en)	1989-06-28
EP0254847B1 EP0254847B1 (fr)	1991-08-14

Family

ID=6303735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87108406A Expired - Lifetime EP0254847B1 (fr)	1986-06-26	1987-06-11	Dispositif d'entraînement des pinces oscillantes d'une machine à imprimer

Country Status (5)

Country	Link
US (1)	US4800813A (fr)
EP (1)	EP0254847B1 (fr)
JP (1)	JPH0671789B2 (fr)
AT (1)	ATE66183T1 (fr)
DE (2)	DE3621385A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8619504D0 (en) *	1986-08-11	1986-09-24	Rockwell Graphic Systems Ltd	Accelerating drive member
US5820275A (en) *	1995-01-17	1998-10-13	Tektronix, Inc.	Printer multi-function drive train apparatus and method
WO2007084376A2 (fr) *	2006-01-17	2007-07-26	Andrzej Dec	Machine d’action rotative a ciseaux
US9056734B2 (en)	2012-08-15	2015-06-16	Hewlett-Packard Development Company, L.P.	Apparatus for lowering and raising a pick arm

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2699941A (en) *	1949-12-15	1955-01-18	Huck Company	Registering and gripper means for sheet-fed printing presses
DE863808C (de) *	1950-05-20	1953-01-19	Maschf Augsburg Nuernberg Ag	Kettenausleger fuer Bogendruckmaschinen
US2703526A (en) *	1951-02-15	1955-03-08	Hedemora Verkst Er Ab	Reciprocatory feed means for rotary printing machines
US2831426A (en) *	1955-06-02	1958-04-22	Koenig & Bauer Schnellpressfab	Feeding-drum for sheet-fed printing presses
SU130048A1 (ru) *	1959-11-28	1959-11-30	Е.В. Буренко	Листовыводное устройство, например, дл печатных машин
DE1208309B (de) *	1965-02-08	1966-01-05	Planeta Veb Druckmasch Werke	Schwinganlage fuer Druckmaschinen
CS149844B1 (fr) *	1971-05-04	1973-08-23
DE2166775B2 (de) *	1971-12-09	1976-06-24	Ausscheidung aus: 21 60 995 Koenig & Bauer AG, 8700 Würzburg	Vorrichtung bei bogenrotationsdruckmaschinen zum antrieb von vorgreifertrommeln
US3817122A (en) *	1972-01-14	1974-06-18	Miller Printing Machinery Co	Differential drive mechanism
US3992993A (en) *	1975-03-25	1976-11-23	Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und Ausrustungen	Sheet transfer system for a printing machine
NL7604018A (nl) *	1975-10-22	1977-04-26	Heidelberger Druckmasch Ag	Keertrommel voor een omstelbare schoon- en weerdrukmachine.
DE2557866B2 (de) *	1975-12-22	1977-11-03	Heidelberger Druckmaschinen Ag, 6900 Heidelberg	Rotierende vorgreifertrommel
US4132403A (en) *	1977-07-07	1979-01-02	Veb Polygraph Leipzig Kombinat Fuer Polygraphische Maschinen Und Ausruestungen	Sheet transfer apparatus for printing machine
DE2861397D1 (en) *	1978-06-26	1982-01-28	Heidelberger Druckmasch Ag	Camless drive for an oscillating front gripper
DD142694A1 (de) *	1979-04-02	1980-07-09	Guenter Weisbach	Bogenrotationsdruckmaschine mit einem von unten arbeitenden vorgreifer
DE3333050A1 (de) *	1983-09-14	1985-03-28	M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach	Vorgreiferantrieb

1986
- 1986-06-26 DE DE19863621385 patent/DE3621385A1/de active Granted
1987
- 1987-06-11 DE DE8787108406T patent/DE3772125D1/de not_active Expired - Lifetime
- 1987-06-11 EP EP87108406A patent/EP0254847B1/fr not_active Expired - Lifetime
- 1987-06-11 AT AT87108406T patent/ATE66183T1/de active
- 1987-06-24 US US07/065,847 patent/US4800813A/en not_active Expired - Fee Related
- 1987-06-25 JP JP62156725A patent/JPH0671789B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ATE66183T1 (de)	1991-08-15
DE3772125D1 (de)	1991-09-19
DE3621385A1 (de)	1988-01-14
DE3621385C2 (fr)	1989-02-16
EP0254847B1 (fr)	1991-08-14
EP0254847A3 (en)	1989-06-28
JPH0671789B2 (ja)	1994-09-14
JPS635945A (ja)	1988-01-11
US4800813A (en)	1989-01-31

Legal Events

Date	Code	Title	Description
1987-12-19	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
1988-02-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT CH DE GB IT LI SE
1989-05-11	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-06-28	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT CH DE GB IT LI SE
1989-08-09	17P	Request for examination filed	Effective date: 19890613
1991-01-16	17Q	First examination report despatched	Effective date: 19901128
1991-03-29	ITF	It: translation for a ep patent filed
1991-06-28	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-08-14	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT CH DE GB IT LI SE
1991-08-14	REF	Corresponds to:	Ref document number: 66183 Country of ref document: AT Date of ref document: 19910815 Kind code of ref document: T
1991-09-19	REF	Corresponds to:	Ref document number: 3772125 Country of ref document: DE Date of ref document: 19910919
1991-10-16	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-06-18	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-06-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-08-05	26N	No opposition filed
1994-05-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19940514 Year of fee payment: 8
1994-05-16	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19940516 Year of fee payment: 8 Ref country code: CH Payment date: 19940516 Year of fee payment: 8
1994-05-17	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: AT Payment date: 19940517 Year of fee payment: 8
1994-05-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19940524 Year of fee payment: 8
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 87108406.7
1995-06-11	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19950611 Ref country code: AT Effective date: 19950611
1995-06-12	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Effective date: 19950612
1995-06-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19950630 Ref country code: CH Effective date: 19950630
1996-02-07	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19950611
1996-02-29	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1996-03-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19960301
1996-03-04	EUG	Se: european patent has lapsed	Ref document number: 87108406.7
2005-06-11	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050611

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