EP0491970A1 - Dispositif de réception pour machines d'impression traitant des feuilles - Google Patents

Dispositif de réception pour machines d'impression traitant des feuilles Download PDF

Info

Publication number: EP0491970A1
Authority: EP; European Patent Office
Prior art keywords: paddle wheels; storage device; recording medium; paddle; storage
Prior art date: 1990-12-20
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

EP90124931A

Other languages

German (de)

English (en)

Other versions

EP0491970B1 (fr

Inventor

Hans Manzer

Richard REINSTÄDTLER

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.)

Canon Production Printing Germany GmbH and Co KG

Original Assignee

Wincor Nixdorf International GmbH

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.)

1990-12-20

Filing date

1990-12-20

Publication date

1992-07-01

1990-12-20 Application filed by Wincor Nixdorf International GmbH filed Critical Wincor Nixdorf International GmbH

1990-12-20 Priority to DE59006852T priority Critical patent/DE59006852D1/de

1990-12-20 Priority to EP19900124931 priority patent/EP0491970B1/fr

1992-07-01 Publication of EP0491970A1 publication Critical patent/EP0491970A1/fr

1994-08-17 Application granted granted Critical

1994-08-17 Publication of EP0491970B1 publication Critical patent/EP0491970B1/fr

2010-12-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

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
- B65H33/00—Forming counted batches in delivery pile or stream of articles
- B65H33/06—Forming counted batches in delivery pile or stream of articles by displacing articles to define batches
- B65H33/08—Displacing whole batches, e.g. forming stepped piles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/34—Apparatus for squaring-up piled articles
- B65H31/36—Auxiliary devices for contacting each article with a front stop as it is piled
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/111—Details of cross-section or profile shape
- B65H2404/1114—Paddle wheel

Definitions

the invention relates to a storage device for optional stacking of sheet-shaped recording media in a storage compartment of a printing device.
a plurality of print jobs are processed one after the other in a continuous operation.
a feature of a print job that is essential for the organization of the printing operation is that the quantity of the printed recording media assigned to an individual print job must be treated further. This means that recording media assigned to different print jobs are to be separated from one another at the output station of the printing device in order to bundle them separately, to pack them or to further process them in some other way.
a storage device of this type for optionally stacking sheet-shaped recording media offset in one side in a storage compartment of a printing device is known from WO 89/08599.
the recording media are stacked in the output tray so that different print jobs belonging record carriers are clearly marked in the filing stack.
the mutual distance between the side walls of the output compartment is greater than the stack width of the record carriers to be deposited.
circumferential feed devices are provided as alignment means, each of which is assigned to one of the side walls of the output compartment and can be actuated alternately. With these feed devices, the record carriers can alternatively be stacked flush with one of the side walls.
the storage device has three-winged elastomer paddle wheels, which alternatively act on the recording medium in the area of the front corners at a 45 ° pressure angle.
the immersion depth of the paddle wheel in the plane of the record carrier must have a defined value in order to achieve a sufficiently large, but not too great, force effect on the record carrier. Insufficient immersion depth leads to poor registration accuracy of the recording media to be stacked. If the immersion depth is too high, the record carriers on the stop surfaces will be bent and possibly damaged. This also severely affects the stacking result and sometimes leads to a storage jam, which necessitates an interruption in the printing process. Since the immersion depth of the paddle wheel depends very much on the individual pressure program and the resulting local curvature as well as on the general curvature of the paper and the state of wear of the paddle wheel, problems can arise with this arrangement with regard to operational safety.
the paddle wheels engage the record carrier at an angle of 45 °. This is intended to ensure that the recording medium bears against both the front and the side stop surface of the storage compartment. Since the However, as a rule, the recording medium is first placed on one side of the storage compartment, a lateral relative movement under the engaging paddle wheel and against the resistance of the abutment surface already in contact is required. This results in a delayed movement of the recording medium and has the effect that the recording medium often has not yet reached the second stop surface and thus its storage position when the next single sheet is already being fed to the storage compartment for stacking. Since this next single sheet shields the action of the paddle wheel on the previously deposited single sheet, this previously deposited single sheet remains in an incorrect position.
the aim of the invention is therefore to provide a storage device of the type mentioned in the introduction, in which a very good registration accuracy of the stacked sheet-shaped recording media is possible with high operational reliability and low maintenance requirements.
Another object of the invention is to design the filing device in such a way that individual sheets of different paper formats deformed by the printing process can be deposited safely and accurately.
the solution according to the invention aims to stack the printed recording media in an output compartment of the storage device in such a way that the recording media which belong to different print jobs are each offset laterally offset from one another in the output stack.
this lateral offset does not have to be very large. It is sufficient if it is dimensioned in such a way that it makes manual separation of the different print jobs easier.
the invention ensures a good storage quality, taking into account tolerances, wear of the paddle wheels, paper curvature, printed image, etc.
a paddle wheel with a defined bearing force is placed freely on the record carrier to be stacked, which aligns the record carrier with an end wall of the storage compartment.
Additional, alternatively lowerable and then free-standing paddle wheels in the front corners of the storage compartment ensure that the record carrier is aligned with the side walls of the storage compartment.
the effect of the paddle wheels on the record carrier in the direction of the end wall and on the side walls is separated in that first of all the freely placed front paddle wheel, which is located approximately in the middle of a throw-in zone of the record carrier, aligns the record carrier on the end wall and that the free-standing lateral paddle wheels are then over their individual paddles laterally move the record carrier.
the individual paddles of the paddle wheels are arranged so that they alternatively come into contact with the recording medium during the stacking process. If the record carrier is pushed over the front paddle wheel, the individual paddles of the corresponding activated side paddle wheel are not in contact with the record carrier.
the transporting individual paddle on the front side lifts off the record carrier as the front paddle wheel continues to rotate and an individual paddle of the corresponding side paddle wheel moves the record carrier to the side wall before the following individual paddle of the end paddle wheel detects the next single sheet to be stacked.
the side paddle wheels and the front paddle wheel are therefore operated offset with respect to the position of their individual paddles.
this function is achieved in a simple manner in that the paddle wheels each have three individual paddles arranged offset by 120 ° to one another, the lateral paddle wheels offset by 60 ° to the be operated paddle wheel.
the force exerted on the single sheet is thus predominantly effected by a paddle wheel. While there is a certain overlap of force due to the paddle wheels during rotation, there remains a predominant preferred direction.
the paddle wheels do not interfere with each other and can carry out a safe and defined movement of the record carrier.
the paddle wheels have a defined contact force on the record carrier and they are designed with regard to their speed of rotation and dimension so that despite free support on the record carrier the paddle wheels roll on the record carrier only with the tips of the individual paddles. The recording medium is thus released in the gaps between the individual paddles.
the side paddle wheels are alternately lowered with the help of a motor-driven swivel device according to the desired storage on the left or right side edge of the storage compartment.
the end paddle wheel is always in a defined operating position relative to the single sheet to be stacked and is arranged in such a way that it detects the single sheet to be aligned by rotation with its individual paddles and transports it to the end face of the storage compartment.
the position of the end paddle should advantageously be approximately in the middle of the throw-in zone for the recording medium in order to achieve the most symmetrical possible force on the recording medium.
the swiveling device for the side paddle wheels has a deflector plate.
the angle between the side walls of the storage compartment and the front wall is 90 ° and is also due to a one-sided
the stack height of the stacked single sheets on the left and right side of the storage compartment differently, so the single sheets tend to flutter under the influence of the paddle wheels when stacking. This is due to the fact that no defined system is created on the side walls of the storage compartment. This has a negative effect on the stacking result, especially with regard to the edge accuracy.
the angle between the side walls and the front wall is greater than 90 °, eg. B. 91 ° is selected. This means that even strongly curved single sheets are aligned with the side walls of the storage compartment. The same effect can be achieved if the side walls in the area of the front corners have a small protrusion or offset which projects beyond the normal line of the side wall into the area of the insertion zone.
the protrusions or thickenings on the side walls act as correction elements when stacking. They ensure a symmetrical structure of the stack.
the side paddle wheels engage behind these protrusions.
An electrophotographic printing device for printing single sheets has a stacking device for the single sheets.
it contains a storage compartment with a storage shelf 10 which can be changed in accordance with the stack height and a frame 11 arranged above it for receiving the storage elements.
the storage compartment has side walls 12/1, 12/2, the mutual spacing of which is greater than the stack width of the individual sheets, and an end wall 13, which acts as a stop surface for the between the side walls 12/1, 12/2 of the storage compartment in the region of an insertion zone 14 fed single sheets.
the side walls 12/1, 12/2 have protrusions or cranks 15/1, 15/2 in their area facing the end wall 13, the function of which will be explained later.
activatable lateral alignment units 16/1, 16/2 are assigned to the front corners of the storage compartment. They each contain driven feed elements 17/1 and 17/2 in the form of paddle wheels, which can be brought into frictional contact with the single sheet to be deposited in the lowered state of the alignment units and then exert a feed force on the single sheet parallel to the end wall 13. Furthermore, the throw-in zone 14 has an end aligning unit 16/3, which likewise has a driven feed element 17/3 in the form of a paddle wheel and that is in frictional contact with the single sheet exerts a feed force on this in the direction of the end wall 13. All alignment units 16/1 to 16/3 are pivotably arranged on a common drive shaft 18 which is connected to a drive motor 20 via a gear 19.
the alignment units 16/1 to 16/3 each have swivel arms 21 with associated bearing elements 22.
the paddle wheel 17/3 of the middle alignment unit 16/3 is driven directly via a belt 24 mounted on belt wheels 23.
the paddle wheels 17/1 and 17/2 of the lateral alignment units additionally contain a deflection gear 9, since the paddle wheels are arranged parallel to the end wall 13 and move in opposite directions of rotation.
the paddle wheels 17/1 and 17/3 are rigidly coupled to one another via the drive shaft 18 in connection with the belts 24 and the gears 25, specifically in a position and position with an associated direction of rotation, as shown in FIG.
the paddle wheels 17/1 to 17/3 each have three individual paddles arranged at 120 ° to each other.
the lateral alignment unit 16/1 assigned to an operating side of the printing device and the frontal alignment unit 16/3 are slidably mounted on the drive shaft 18 designed as a hexagonal shaft.
the two alignment units 16/1 and 16/3 are connected via a cable gear 25, which is designed such that when the position of the operator-side alignment unit 16/1 is changed, the front-side alignment unit 16/3 is centered on the lateral alignment units 16/1 and 16/2 is positioned.
the cable gear 25 has an adjusting cable pulley 26, which with is connected to a handwheel 27 and a deflection roller 28 which is arranged on the slidably arranged operator-side wall 12/1.
the end-side alignment unit 16/3 has two deflection rollers 29 coupled to one another.
a rope 30 is guided around the deflection rollers 28 and 29 and the adjusting rope roller 26.
This rope 30 consists of a drive train which is fixed at one end to the alignment unit 16/1 on the operator side. It is guided over the deflecting roller 28, the adjusting rope roller 26 and over the outer one of the deflecting rollers 29 and is attached at its other end to the drive-side frame 11.
a separate return strand of the rope is also firmly connected at one end to the operator-side alignment element 16/1. It wraps in the opposite direction to the outer deflecting roller, the inner deflecting roller of the double deflecting roller 29 and it is firmly attached at the other end to the frame 11 on the operator side.
U-shaped displacement elements 31 are provided for displacing the displacement elements 16/1 and 16/3 and are mounted on a guide rod 32. They are moved over the rope 30 and thus position the alignment elements 16/1 and 16/3.
the alignment units 16/1 to 16/3 are coupled to a swivel device. This is shown schematically in FIG. 2 or in part in FIG. 1.
the pivoting device contains a first lifting magnet 33/1, which is connected via a linkage 34 to a hollow shaft 35 arranged above the alignment unit 16/2 on the drive side.
the hollow shaft 35 has an extension 36 which engages under an extension 37 of the drive-side alignment unit 16/2 (FIG. 1).
a second solenoid 33/2 is via a linkage 38 which is guided through the hollow shaft 35 in functional connection with the operator-side alignment unit 16/1 and also via an attachment 39 arranged on the linkage 38.
the attachment 39 engages under an attachment in a corresponding manner (not shown in FIG. 1 for reasons of clarity), the operator-side alignment unit 16/1.
This alignment unit 16/1 is also actuated in an analogous manner to the alignment unit 16/2 by pivoting the linkage 38 via the solenoid 33/2, which results in the alignment unit 16/1 being raised and lowered.
the linkage 38 has an actuating element 40 at its drive end.
One end 41 of a further linkage 42 is supported on this actuating element 40.
the end alignment unit 16/3 is suspended from a formation 43 of this linkage 42 via an extension 44.
the drive end of the linkage 42 bears freely against a control shoulder 35/1 of the hollow shaft 35.
the frontal alignment unit 16/3 is coupled in terms of movement to the lateral alignment units 16/1 and 16/2, in such a way that when one of the lateral alignment units 16/1 or 16/2 is lowered, the frontal alignment unit 16/3 is always is lowered with.
the frontal alignment unit 13/3 has a sensing element 45 in the form of a switch.
the switch 45 is coupled to a lowering and lifting drive device for the storage shelf 10.
the switch contains a scanning element 46, the scanning force of which is adapted to the contact force of approximately 35 p of the alignment unit 16/3.
the frontal alignment unit 16/3 is raised and thereby z. B. operated via the scanning element 46 of the switch 45. This results in a corresponding lowering of the storage shelf 10. This ensures that the individual paddles of the paddle wheels 17 always rest on the shelf or on the single sheet to be stacked without tilting.
the individual sheets 48 to be stacked are fed one behind the other to the storage device via a paper guide channel 47 of the printing device.
a storage flap 49 which cooperates with a guide piece 50. If there is a storage error or a paper jam in the storage device, the baffle flap 49 is pivoted away via a corresponding drive element and the single sheets still to be transported, which are in the printer, are deflected out of the actual paper web 47 and z. B. fed a separate storage area. In the case of undisturbed transport of the single sheets, these are fed via transport rollers 51 to the insertion zone 14 of the storage device in free flight.
Corresponding paper deflection elements 52 ensure that the single sheet 48 to be deposited is guided under the lowered paddle wheels.
the paddle wheel 17/3 of the front-side alignment unit 16/3 detects the single sheet with a single paddle (center of FIG. 1) and aligns it with its front edge on the front wall 13.
the likewise lowered paddle wheel 17/1 of the operator-side alignment unit 16/1 (FIG. 3) is in the position shown in FIG. Due to its own rotation, it is slightly lifted off the shelf and is therefore not in frictional contact with the single sheet.
the paddle wheels of the side alignment units 16/1 and 16/2 are located behind the protrusions 15/1 and 15/2 in the direction of insertion and thus extend beyond this protrusion. This results in a corrective effect when the single sheets are deposited and in this way a symmetrical structure of the stack is ensured.
the next sequence (jobs) of single sheets is to be filed on the drive side wall 12/2.
the control of the lifting magnets 33 described raises the operator-side alignment unit 16/1 and the drive-side alignment unit 16/2 is lowered, the front-side alignment unit 16/3 remaining in the lowered state.
the next single sheets fed to the insertion zone 14 are then deposited in an analogous manner on the drive-side wall 12/2.
the lifting magnets 33 are deactivated and the storage device is brought into the ready position by lifting all the alignment units 16/1 to 16/3.
the stack which is offset to the side of the job, can be removed from the storage compartment and the storage shelf 10 is raised into its starting position.
resilient storage fingers 53 can also be arranged as shown in FIG.
the adjustment of the alignment units 16 and the storage compartment to different paper formats can be done automatically via the cable gearing, e.g. B. via an electric motor, which is coupled to the printer controller.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Pile Receivers (AREA)

EP19900124931 1990-12-20 1990-12-20 Dispositif de réception pour machines d'impression traitant des feuilles Expired - Lifetime EP0491970B1 (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
DE59006852T DE59006852D1 (de)	1990-12-20	1990-12-20	Abstapelvorrichtung für Einzelblätter verarbeitende Druckmaschinen.
EP19900124931 EP0491970B1 (fr)	1990-12-20	1990-12-20	Dispositif de réception pour machines d'impression traitant des feuilles

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP19900124931 EP0491970B1 (fr)	1990-12-20	1990-12-20	Dispositif de réception pour machines d'impression traitant des feuilles

Publications (2)

Publication Number	Publication Date
EP0491970A1 true EP0491970A1 (fr)	1992-07-01
EP0491970B1 EP0491970B1 (fr)	1994-08-17

Family

ID=8204875

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900124931 Expired - Lifetime EP0491970B1 (fr)	1990-12-20	1990-12-20	Dispositif de réception pour machines d'impression traitant des feuilles

Country Status (2)

Country	Link
EP (1)	EP0491970B1 (fr)
DE (1)	DE59006852D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1348663A1 (fr) *	2002-03-29	2003-10-01	Océ-Technologies B.V.	Dispositif pour déposer des feuilles
EP1348662A1 (fr) *	2002-03-29	2003-10-01	Océ-Technologies B.V.	Dispositif pour déposer des feuilles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1918231A1 (de) *	1968-04-25	1969-11-06	Svecia Silkscreen Maskiner Ab	Bogenausleger
US4589654A (en) *	1983-01-07	1986-05-20	Canon Kabushiki Kaisha	Sheet aligning device
WO1989008599A1 (fr) *	1988-03-15	1989-09-21	Siemens Aktiengesellschaft	Systeme de reception pour l'empilement de supports en feuilles dans le bac de sortie d'un dispositif d'impression

1990
- 1990-12-20 EP EP19900124931 patent/EP0491970B1/fr not_active Expired - Lifetime
- 1990-12-20 DE DE59006852T patent/DE59006852D1/de not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1918231A1 (de) *	1968-04-25	1969-11-06	Svecia Silkscreen Maskiner Ab	Bogenausleger
US4589654A (en) *	1983-01-07	1986-05-20	Canon Kabushiki Kaisha	Sheet aligning device
WO1989008599A1 (fr) *	1988-03-15	1989-09-21	Siemens Aktiengesellschaft	Systeme de reception pour l'empilement de supports en feuilles dans le bac de sortie d'un dispositif d'impression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN Bd. 29, Nr. 7, Dezember 1986, NEW YORK USA Seiten 3014 - 3016; 'dual direction, varying force sheet aligner ' *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1348663A1 (fr) *	2002-03-29	2003-10-01	Océ-Technologies B.V.	Dispositif pour déposer des feuilles
EP1348662A1 (fr) *	2002-03-29	2003-10-01	Océ-Technologies B.V.	Dispositif pour déposer des feuilles
US6991228B2 (en)	2002-03-29	2006-01-31	Oce-Technologies, B.V.	Sheet depositing device

Also Published As

Publication number	Publication date
EP0491970B1 (fr)	1994-08-17
DE59006852D1 (de)	1994-09-22

Publication	Publication Date	Title
DE69607786T2 (de)	2000-10-26	Falzapparat für Blätterbund
DE2443106C2 (de)	1984-04-19	Stapelvorrichtung zur Bildung eines Stapels gegeneinander versetzt angeordneter Blattstöße
DE3107768C2 (de)	1985-07-25	Vorrichtung zur Aufnahme einzeln zugeführter Blätter
DE3884997T2 (de)	1994-05-19	Papiervorschubvorrichtung für einen Tintenstrahldrucker.
DE3203506C2 (de)	1985-06-13	Vorrichtung zum Einführen von Blattpaketen in eine Bearbeitungsmaschine
DE69807144T2 (de)	2002-12-12	Aufzeichnungsgerät
CH620652A5 (fr)	1980-12-15
DE2952671C2 (de)	1982-09-02	Vorrichtung zum Vereinzeln des obersten Blattes eines Blattstapels
DE4131726C2 (fr)	1993-08-26
EP0449010B1 (fr)	1994-10-19	Appareil de triage pour dépôt de porte-notes sous forme de feuilles
DE3348365C2 (fr)	1993-03-11
EP1209111A2 (fr)	2002-05-29	Dispositif pour déposer des feuilles
EP2202158B1 (fr)	2012-08-29	Dispositif de cerclage et son procédé de fonctionnement
EP0129104B1 (fr)	1988-08-10	Margeur pour machines d'impression rotatives
DE3709726A1 (de)	1988-02-25	Blattauswerfer
DE19824092A1 (de)	1998-12-03	Postprozessor
EP0035178B1 (fr)	1984-05-23	Dispositif pour déposer des supports d'enregistrement en forme de feuilles pour imprimeurs
EP0491970B1 (fr)	1994-08-17	Dispositif de réception pour machines d'impression traitant des feuilles
DE1966526A1 (de)	1973-01-25	Kopiergeraet
DE2939941A1 (de)	1980-04-17	Blattsortier- und -stapeleinrichtung
DE10101563A1 (de)	2002-08-01	Vorrichtung zur Abgabe oder Entgegennahme von Einzelblättern
WO1989008599A1 (fr)	1989-09-21	Systeme de reception pour l'empilement de supports en feuilles dans le bac de sortie d'un dispositif d'impression
DE1422980A1 (de)	1969-01-23	Kopiergeraet
DE3943136A1 (de)	1991-07-04	Vorrichtung zur automatischen zufuhr von einzelblaettern und dergleichen zu einer bueromaschine
DE2914097A1 (de)	1980-10-16	Vorrichtung zum vereinzeln von einen stapel bildenden blaettern bzw. blattgruppen

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