EP0575367A1 - Deviating device for deviating a printing web between two high-speed printers. - Google Patents
Deviating device for deviating a printing web between two high-speed printers.Info
- Publication number
- EP0575367A1 EP0575367A1 EP92905492A EP92905492A EP0575367A1 EP 0575367 A1 EP0575367 A1 EP 0575367A1 EP 92905492 A EP92905492 A EP 92905492A EP 92905492 A EP92905492 A EP 92905492A EP 0575367 A1 EP0575367 A1 EP 0575367A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- deflection
- deflecting
- deflection device
- recording medium
- 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.)
- Granted
Links
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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/32—Arrangements for turning or reversing webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/02—Conveying or guiding webs through presses or machines
- B41F13/06—Turning-bar 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
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/332—Turning, overturning
- B65H2301/3321—Turning, overturning kinetic therefor
- B65H2301/33212—Turning, overturning kinetic therefor about an axis parallel to the direction of displacement of material
Definitions
- Deflection device for deflecting a tape-shaped recording medium between two rapid printing devices
- the invention relates to a U deflection device for deflecting a tape-shaped recording medium between two high-speed printing devices and a printing system with such deflection devices.
- Such deflection devices are known for example from EP-PS 0 154 695. With such a deflection device, it is possible to arrange a plurality of high-speed printers, for example in the form of electrophotographic printers, one behind the other and to operate them simultaneously in order to produce multicolor and back-side printing. In this case, the recording medium emerging from the paper exit area of the preceding device is deflected via the deflection device and fed to the paper entry area of the subsequent device.
- the deflecting device can be designed as a reversible deflecting device with a reversible oblique deflecting element and associated deflecting rollers.
- the recording medium is either turned in order to be able to print on the front and back with the printing devices, or else it is deflected, so that with the two.
- Printing devices a multiple printing on a printed page, for. B. is possible for color printing.
- Newer electrophotographic printing devices have a maintenance area and an operating area arranged opposite. If, in accordance with the known device, the printers are arranged in the so-called T-shape, in which the operating and maintenance areas overlap, the operation and maintenance of the printers is made more difficult.
- the aim of the invention is to provide a deflection device of the type mentioned at the outset, which is simple, functionally reliable and ergonomically constructed and which enables simple changeover from a position turning the recording medium into a position deflecting the recording medium or vice versa.
- Another object of the invention is to provide a printing system with two high-speed printing devices and associated deflection devices, which can be operated in a simple manner in different operating states, such as color, duplex and single-sided printing.
- the entire deflection device can be designed as a mobile structural unit which is arranged in a simple manner between the printers positioned at right angles to one another.
- the arrangement of the deflection device on a mobile table, which if necessary can be made adjustable in height, ensures reliable protection for the paper web between the printers.
- the arrangement of a tunnel can thus be dispensed with.
- the loop buffer of the recording medium required for the coupled operation of two printers is formed in a simple manner between the deflecting device and the preceding first printer. Additional loop-forming measures, e.g. B. in the form of a loop puller are therefore omitted.
- the freely hanging loop between the printer and the deflection device acts as a paper length compensation device.
- the loop can be monitored via light barriers arranged in the printer.
- the printers can be positioned in an L-shape with the aid of the deflection device. This ensures that the operating and maintenance areas of the two printers do not overlap.
- two deflection devices in the manner of a cross-turn device are arranged between two pressure devices in series.
- FIG. 1 shows a schematic illustration of two electrophotographic printing devices coupled to one another with a deflection device arranged therebetween with a stationary guide element for the recording medium
- FIG. 2 shows a schematic illustration of a deflection device with an associated moving guide element
- FIG. 3 shows a schematic illustration of the deflection device of FIG. 2 in the reversing position
- FIG. 4 shows a schematic illustration of the deflection device of FIG. 2 in the deflection position
- FIG. 5 shows a schematic illustration of two deflection devices placed against one another between two printing devices and arranged in series
- Figure 6 is a schematic representation of a printing system with 10 printing devices in different operating states.
- FIG. 1 An arrangement shown in FIG. 1, consisting of two electrophotographic printing devices 10/1 and 10/2 with a deflection device 11 arranged between them, serves for printing on a tape-shaped recording medium 12. Depending on the deflection of the recording medium 12 in the region of the deflection device 11, either the Printed on the front or the back of the recording medium or it is possible to print several times on one side of the recording medium. Da ⁇ with z. B. a multi-color printing possible.
- the electrophotographic printers 10/1 and 10/2 are usually constructed and have an operating surface 13 and an opposite maintenance surface 14. The printers contain the usual ones electrophotographic units with the associated paper transport devices.
- the recording medium in the printer 10/1 is pulled from a storage area in accordance with the direction of the arrow shown and passed through the electrophotographic units and printed. Then it leaves the printer 10/1 via an exit area 15 with paper transport rollers arranged therein. It is then deflected via the deflection device 11 and fed to an entry area 16 of the second printer 10/2. Depending on the deflection in the deflection area 11, the second printer 10/2 either prints the side of the recording medium 12 that has not yet been printed, or else an additional positionally accurate printing is carried out on the already printed printing area.
- the printers 10/1 and 10/2 are arranged in a so-called L-shape, in which the operating and maintenance areas 13 and 14 of the two printers do not overlap.
- the deflection device designed as a mobile, movable structural unit is positioned such that a sagging loop 17 acting as a paper length compensation device is formed between the first printer 10/1 and the deflection device.
- the loop is monitored by photosensors (not shown here) arranged in the exit area 15 of the first printer 10/1.
- the deflection device contains a frame 18 as a carrier with two guide rods 19/1 and 19/2 arranged thereon for receiving a holder for a deflection arrangement in the form of a turning triangle which is mounted on the guide rods 19/1 and 19/2 so as to be longitudinally displaceable.
- the holder essentially consists of two bearing elements 21/1 and 21/2 assigned to the guide rods 19/1 and 19/2, between which, in an exemplary embodiment according to FIG. 2, a roller-shaped record carrier guide element 20/2 can be rotated is arranged.
- the record carrier guide element 20/2 can also be designed as a simple deflection rod. It has at least one longitudinal extent corresponding to the width of the recording medium 12.
- the turning triangle in turn has an actuating element in the form of an actuating rod 22 which is pivotably mounted on the bearing element 21/1. Coupled to the free end of the actuating element 22 is an oblique deflecting element 24 in the form of a paper roll, which spans the area between the guide rods 19/1 and 19/2.
- the oblique deflection element 24 is mounted on the one hand in the free end of the actuating element 22 and on the other hand in the bearing element 21/2 of the holder. It can be pivoted with the aid of the actuating element 22, which for this purpose has a handle 23 at its free end.
- the oblique deflection element 24 can also be designed as a simple round rod.
- the record carrier guide element 20/1 is mounted in a stationary manner on the carrier in the region of the ends of the guide rods 19/1 and 19/2.
- a feed roller 25 is rotatably arranged in the entrance area parallel to the record carrier guide element. It supports and guides the record carrier and facilitates the formation of loops 17.
- the frame 18 and thus the functional elements of the deflecting device are fastened on a mobile table, which ensures an ergonomic working height.
- the mobile table can be designed as a table that is adjustable in height. It has transport rollers 27 which are usually formed in the base region. The arrangement of the deflection arrangement on a table ensures trouble-free paper transport.
- the table 26 contains corresponding flange-like connecting elements which interact with corresponding connecting elements in the entry area of the printer 10/2 and which exactly position the Allow deflection. With corresponding locking options of the transport rollers 27 of the table, it is also possible to dispense with such fastening elements.
- the fastening elements which are not shown here, are of conventional design and enable the deflection device to be flanged or loosened quickly and easily.
- the deflection device can be brought into a turning position (FIG. 3) and into a U-steering position (FIG. 4) by simply pivoting the deflection arrangement designed as a turning triangle via the handle 23.
- the record carrier guide element is in the turning position (FIG. 3) of the exemplary embodiment in FIG. 20/2 in the region of the feed roller 25 and the Schr gumlenkelement 24 is folded back over the actuating element 22.
- the record carrier 12 rests on the feed roller 25 and the record carrier guide element 20 and wraps around the oblique deflection element 24.
- the record carrier transported in the direction of the arrow is thereby turned.
- the recording medium 12 lies alone on the feed roller 25.
- the oblique deflection element 24 is folded forward in the direction of the feed roller 25.
- the recording medium guide element 20/2 is located in the rear area of the guide rods 19/1 and 19/2.
- the Drawing carrier 12 firstly the recording medium guide element 20/2 or the stationary element 20/1 and then additionally the oblique deflecting element 24.
- This multiple deflection means that a mere change of direction without turning the recording medium in accordance with the direction of the arrow shown is achieved ⁇ works. So that, for. B. for generating color printing of the recording medium 12 can be printed several times on one side.
- two mobile deflection devices 11/1 and 11/2 are placed between a first electrophotographic printing device DR1 and a second electrophotographic printing device DR2.
- the arrangement of two deflecting devices 11/1 and 11/2 creates the mechanical requirements for coupling two single printers in series to form a printing system.
- B. front and back side printing (duplex printing) or color printing can be realized.
- the deflection devices 11/1 and 11/2 in the form of turning tables in principle form an open cross-turner, with the recording carrier 17 coming from the printer DR1 in the illustrated position of the turning triangles when the two deflection devices 11/1 and 11 pass through / 2 is turned so that both the front and the back can be printed.
- the operating position of the turning table 11/1 corresponds to that shown in FIG. 3
- printing systems with two printers DR1 and DR2 each can be implemented, in which the printers can also be used as individual devices.
- Each of the five printing systems S1 to S5 shown next to one another in principle consists of two printing lines DS1 and DS2 forming device sequences, each with a printer with assigned paper preprocessing and postprocessing units PZ, PN, which are turned over the turning tables 11/1 and 11/2 can be coupled.
- PZ, PN paper preprocessing and postprocessing units
- each printer DR1 and DR2 can also be connected without restriction to supply and post-processing systems.
- Each of the five printing systems S1 to S5 of the printer system in FIG. 6 consists of printing lines DS1 and DS2 with a paper feed device PZ and a paper postprocessing unit PN.
- the paper feed device consists, for. B. from a spatially very large paper roll supply holder for the tape-shaped recording medium or a supply table when using pre-folded folding paper.
- a paper post-processing unit comes e.g. B. a paper cutter with folding device in question.
- other paper feed and processing devices are also possible.
- Each of the printing sections furthermore has a turning table 11/1 or 11/2, the turning tables 11/1 and 11/2 of a printing system being arranged at the same height.
- the printer DR1 is placed in front of the turning table 11/1 in the transport direction of the recording medium 17 in the printing path DS1.
- the DR2 printer is located between the turning table 11/2 and the post-processing unit PN.
- a large number of operating states of the printing systems S1 to S5 can thus be achieved by correspondingly pivoting the turning triangles of the turning tables. Is according to the representation of the printing distances DSl and
- the printers DR1 and DR2 can be operated separately and independently of one another in the customary single-printing mode.
- the printing system S2 is in duplex reverse mode.
- the recording medium printed on one side by the printer DR1 is turned over by the turning tables 11/1 and 11/2 and the previously unprinted side is printed by the printer DR2.
- the paper feed unit PZ of the print path DS2 is out of operation in the waiting position.
- the printing system S3 is in the same operating state.
- the S4 printing system is in duplex front mode.
- the record carrier between the printers DR1 and DR2 is deflected via the turning tables 11/1 and 11/2 without being turned. This is a multiple printing a page z. B. possible in various colors.
- the paper feed unit PZ of the printer line DS2 is in the waiting position.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handling Of Sheets (AREA)
- Handling Of Cut Paper (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
Un dispositif (11) de déviation d'une bande d'impression (12) entre deux imprimantes rapides électrophotographiques (10/1, 10/2) est commutable et peut être commuté entre une position de retournement de la bande d'impression (12) (impression recto-verso) et une position de déviation de la bande d'impression (impression en couleurs). A cet effet, le dispositif de déviation (11) agencé sur une table mobile (26) comprend une tringlerie sous forme d'un triangle pivotable de renversement monté mobile en longueur sur deux tiges de guidage (19/1, 19/2). Etant donné que le dispositif de déviation forme un module mobile commutable, il est possible d'incorporer les imprimantes dans un système d'impression à unités de traitement préalable et ultérieur, dans lequel les imprimantes peuvent être utilisées indépendamment en tant qu'appareils individuels que comme un seul dispositif d'impression d'un support d'impression unique.A device (11) for deflecting a printing web (12) between two high-speed electrophotographic printers (10/1, 10/2) is switchable and can be switched between a turning position of the printing web (12). ) (double-sided printing) and a deflection position of the printing web (color printing). For this purpose, the deflection device (11) arranged on a movable table (26) comprises a linkage in the form of a pivotable overturning triangle mounted movably in length on two guide rods (19/1, 19/2). Since the deflection device forms a switchable mobile module, it is possible to incorporate the printers in a printing system with pre-processing and postprocessing units, in which the printers can be used independently as individual devices. as a single printing device of a single printing medium.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4107800 | 1991-03-11 | ||
DE4107800 | 1991-03-11 | ||
PCT/EP1992/000417 WO1992015513A1 (en) | 1991-03-11 | 1992-02-27 | Deviating device for deviating a printing web between two high-speed printers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0575367A1 true EP0575367A1 (en) | 1993-12-29 |
EP0575367B1 EP0575367B1 (en) | 1995-05-10 |
Family
ID=6427003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92905492A Expired - Lifetime EP0575367B1 (en) | 1991-03-11 | 1992-02-27 | Deviating device for deviating a printing web between two high-speed printers |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0575367B1 (en) |
DE (1) | DE59202164D1 (en) |
WO (1) | WO1992015513A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06179555A (en) * | 1992-12-14 | 1994-06-28 | Japan Tobacco Inc | Traveling direction changing device of strip-shaped material |
JP3301449B2 (en) * | 1992-12-14 | 2002-07-15 | 日本たばこ産業株式会社 | Rod material hopper device |
DE4335473C2 (en) * | 1993-10-18 | 2001-07-12 | Oce Printing Systems Gmbh | Turning device for a tape-shaped recording medium |
JPH07237336A (en) * | 1994-01-10 | 1995-09-12 | Fujitsu Ltd | Both-sided printing device of continuous paper |
DE59506364D1 (en) * | 1994-07-15 | 1999-08-12 | Oce Printing Systems Gmbh | MULTIFUNCTIONAL PRINTING DEVICE WITH MODULAR DESIGN |
EP0784810B1 (en) * | 1994-10-06 | 1999-08-04 | Océ Printing Systems GmbH | Reversing device with manual feed for strip print media |
WO1996011159A1 (en) * | 1994-10-06 | 1996-04-18 | Oce Printing Systems Gmbh | Reversing device for strip print media |
DE19827254B4 (en) * | 1998-06-18 | 2005-09-01 | OCé PRINTING SYSTEMS GMBH | Electrographic printing device with two printing units that print on a deflected material web |
US6381440B1 (en) | 2000-10-26 | 2002-04-30 | OCé PRINTING SYSTEMS GMBH | Printing system having at least three printer devices as well as method for the operation of such a printing system |
US6666399B2 (en) * | 2001-06-18 | 2003-12-23 | Xerox Corporation | System for transfer and inversion of a continuous web substrate between printing and other devices |
US6786149B1 (en) * | 2003-04-01 | 2004-09-07 | Xerox Corporation | High speed continuous feed printing system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733061A (en) * | 1956-01-31 | Angle bar arrangement | ||
FR2557504B1 (en) * | 1984-01-03 | 1987-06-19 | Seailles Tison Sa | PAPER TURNING DEVICE FOR SIDE-SIDED PRINTING |
DE3406244A1 (en) * | 1984-02-21 | 1985-08-22 | Siemens AG, 1000 Berlin und 8000 München | LASER PRINTING SYSTEM FOR MULTICOLOR AND BACKSIDE PRINTING |
DE3816900C1 (en) * | 1988-05-18 | 1989-11-16 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De |
-
1992
- 1992-02-27 WO PCT/EP1992/000417 patent/WO1992015513A1/en active IP Right Grant
- 1992-02-27 EP EP92905492A patent/EP0575367B1/en not_active Expired - Lifetime
- 1992-02-27 DE DE59202164T patent/DE59202164D1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9215513A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1992015513A1 (en) | 1992-09-17 |
DE59202164D1 (en) | 1995-06-14 |
EP0575367B1 (en) | 1995-05-10 |
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