EP0535361A2 - Dispositif margeur - Google Patents
Dispositif margeur Download PDFInfo
- Publication number
- EP0535361A2 EP0535361A2 EP92114355A EP92114355A EP0535361A2 EP 0535361 A2 EP0535361 A2 EP 0535361A2 EP 92114355 A EP92114355 A EP 92114355A EP 92114355 A EP92114355 A EP 92114355A EP 0535361 A2 EP0535361 A2 EP 0535361A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stack
- sheet feeder
- feeder according
- rake
- pile
- 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
- 238000007664 blowing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/26—Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
- B65H1/263—Auxiliary supports for keeping the pile in the separation process during introduction of a new pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
Definitions
- the invention relates to a sheet feeder for sheet-processing machines, in particular sheet-fed printing machines, with a stacking table which can be raised or lowered by means of a main elevator for receiving a main stack and with a non-stop device with at least one preferably two opposite, retractable and extendable by means of a computing drive device, in grooves of the stacking table, which can be lifted or lowered by means of an auxiliary elevator, for taking over a remaining stack from the stacking table, on which a new stack can subsequently be picked up, onto which the remaining stack can be placed.
- a sheet feeder of this type is known for example from DE 39 22 803 A1.
- automation of the stack change is aimed at.
- the publication mentioned does not, however Recognize facilities for the safe determination of the takeover of the remaining batch by the non-stop facility or the provision of a new batch. In the absence of such facilities, incorrect operation and thus malfunctions can occur. The known arrangement therefore proves to be not safe and reliable enough.
- At least two accumulation sensors are provided in the area of at least one rake bar, one of which points upwards and one downwards and with the aid of which the takeover of the remaining stack by the non-stop device and the provision of a new stack can be detected are.
- the main elevator instead of the retractable screen arrangement the auxiliary elevator can be clocked in the stroke direction by means of a button scanning the top of the stack, and can be driven in the overdrive direction in the lowering direction when the overrun sensor faces upward.
- the computing extension process can be initiated.
- the run-up sensors can advantageously be designed as blowing nozzles, to which blowing air can be applied, the pressure on the supply side of which can be sensed.
- At least two rake rods can expediently each have an axial blind bore which can be blown with air and from which a radial bore extends upwards or downwards.
- the distribution of these two blowing nozzles, which can be acted upon separately, over two rake bars can facilitate production.
- the non-stop device can be provided with every counter-rake assigned to each supporting rake, which can be adjusted at least when the assigned supporting rake is extended to the stack edge facing it, which can be switched on or off by means of a counter-holder drive device and by means of a sequential circuit which can be controlled by the run-up detectors the rake extension movement can be activated are. In this way it can be prevented in a simple manner that the stack side edge is displaced in the course of the computing extension movement.
- Each counter-holder can expediently be assigned a clamping device by means of which it can be ascertained in the retracted state and which can be activated by means of a sequential circuit which can be controlled by the run-up detectors before the computing extension movement. This can simplify the design of the drive devices assigned to the counterholders.
- Another expedient embodiment can consist in that the counterholders bridge the gap between the main and auxiliary stacks and are provided with side sensors assigned to the main and auxiliary stacks, by means of which an actuating device for lateral stack adjustment can be controlled. This ensures that there are no discontinuities in the area of the stack side edge when changing the stack.
- the sheet feeder on which FIGS. 1 and 2 are based has a portal-shaped frame 1, in which a stacking table 2 which can be raised and lowered is arranged. This is suspended from a main elevator 3 indicated by lifting chains.
- the stacking table 2 can be lowered to the floor level and, in the lowered state, can be loaded with a sheet stack 4 indicated by a dashed outline. This rests on a pallet 5, which can be rolled up onto the stacking table 2 here.
- a roller conveyor 6 running transversely to the longitudinal axis of the feeder is provided, the central section 6a of which is mounted on the stacking table 2.
- the upstream and downstream sections of the roller conveyor are arranged on the corridor side.
- a lateral adjustment of the stack 4 is also possible here.
- a side stop 8 adjustable by means of an associated drive device 7, against which the stack 4 can be moved by means of the roller conveyor section 6a.
- the side stop 8 is drawn here in the extended, inactive waiting position.
- a separating and conveying unit (not shown here), for example in the form of a suction head known per se, is provided, by means of which the uppermost sheet can be removed from the stack underneath and transported away.
- the continuously decreasing stack height is compensated for by lifting the stacking support in cycles.
- the clocking is accomplished by a button indicated in FIGS. 4 and 5 at 9, scanning the top edge of the stack.
- the stack 4 received on the stacking table 2 is referred to below as the main stack.
- this stack As soon as this stack has been processed to a predetermined remaining height, it is transferred as a remaining stack 4a to a non-stop device in order to lower the then empty stacking table 2 and to be able to load it with a new main stack 4. During this time, the remaining stack 4a is processed further. The docking operation therefore does not have to be interrupted.
- the stacking table 2 equipped with a new main stack 4 is then raised to such an extent that the rest of the remaining stack 4a which is still present can then be placed on the new main stack 4 and combined with it.
- the above-mentioned non-stop device comprises an auxiliary elevator 10 indicated by its lifting chains Suspended lifting platform 12 guided on a vertical guide 11, which, as can best be seen from FIG. 2, has two frames 12a flanking the feeder frame 1 on the side, which are connected to one another by a yoke 12b running in the area of the front in the sheet conveying direction.
- a supporting rake 13 which can be moved transversely to the longitudinal axis of the feeder, is accommodated, the rake bars 14 of which can be brought from the lateral waiting position on which the figures 1 and 2 are based to a working position below the auxiliary stack 4a, indicated by dashed lines in Figure 1, and vice versa.
- the pallet 5 which can be received on the stacking table 2 is provided with grooves 5a which are arranged at a distance from the rake bars 14 and also run transversely to the longitudinal axis of the feeder.
- the lifting platform 12 which is in a lower stop position and the supporting rakes 13 accommodated thereon, these are moved into the grooves 5a with their rake bars 14.
- the lifting platform 12 is raised further under the command of the button 9 which scans the upper edge of the auxiliary stack 4a which is now picked up on the supporting rake 13.
- the stacking table 2 thus unloaded is lowered to the floor level.
- the two supporting rakes 13 are received on a respectively assigned carriage 15, which is slidably supported by rollers 16 on longitudinal guides 17 arranged along the front and rear spars of the assigned frame 12a and can be pushed back and forth by means of an assigned drive unit 18.
- the drive unit 18 is simply designed here as a drag chain that can be driven by means of a geared motor. To achieve a High stability of the rake bars 14, these are clamped with their rear end in a flexurally and torsionally rigid support 19, which is designed to bridge the lateral end shields of the respectively assigned carriage.
- a counter holder 20 is assigned to each supporting rake 13.
- the counterholders 20 are also accommodated on the lifting platform 12 and can be placed on the stack side edge facing the respectively assigned support rake 13 when the support rakes 13 are extended.
- the counterholders 20 contain pressure plates which can be adjusted to the side of the stack and are fastened to the piston rod of a cylinder-piston unit forming an associated drive device 21, since the lifting platform 12 is received on the associated frame 12a.
- the cylinder-piston assemblies forming the counter-holder drive devices can be provided with double-acting pistons with different effective areas, so that a slow movement can be carried out with double-sided action and a fast movement with one-sided action. This makes it possible to design the hiring process in several stages by first driving forward in high speed and then that last piece is slowly covered. Likewise, the return movement can take place in an overdrive.
- the run-up sensors 22, 23 are designed here as air nozzles which can be acted upon and which are closed when the relevant carrying rake 13 opens onto a surface above or below it, as a result of which the pressure in the associated supply line 24 or 25 increases. This pressure increase can be used as a control signal.
- blow nozzles forming the run-up sensors 22, 23 surface bars 14 assigned to each of them are provided here, each with an axial blind bore 27, one of which is connected via the assigned supply line 24 or 25 to a compressed air source, here in the form of the compressed air network 26, one of which is a radial bore 28 goes off, which opens up in one case and down in the other case.
- the two run-up sensors 22, 23 are distributed over two computing bars 14. These can belong to the same supporting screen 13. However, it would also be conceivable to distribute the two run-up sensors 22, 23 over both supporting rakes 13. It would also be possible to have both overrun sensors in the area of a single one To accommodate rulers, although the design shown is simpler to manufacture. Compressed air supply is also easier if both overrun sensors, as shown, belong to the same supporting screen.
- the pressure in the supply lines 24, 25 is received by measuring lines 29 branching therefrom and fed to a downstream signal processing device 30, from which the desired control functions can be carried out, as indicated by the input arrows 31.
- the depth of the grooves 5a of the pallet 5 is, as can best be seen from FIG. 4, greater than the diameter of the rake bars 14.
- both blow nozzles forming the run-up sensors 22, 23 initially remain open. Accordingly, the same low pressure prevails in both supply lines 24, 25.
- the lifting platform 12 with the carrying rakes 13 is clocked up under the control of the button 9.
- the auxiliary elevator 10 assigned to the lifting platform 12 is actuated by the button 9.
- the rake bars 14 of the supporting rake 13 run onto the underside of the stack previously resting on the pallet 5 and now to be accommodated as an auxiliary stack 4a on the supporting rake 13, as a result of which the blowing nozzle which forms the upward-pointing casserole sensor 22 and closes upward and closes becomes.
- the pressure in the associated supply line rises accordingly 24 on.
- This signal can be used as a control signal for initiating the lowering of the stacking table 2.
- the main elevator 3 assigned to it can be controlled by the signal processing device 30 in such a way that it is lowered to the corridor level at high speed. Of course, braking and a transition to a slower speed is possible shortly before the end position is reached.
- the blowing nozzle forming the upward-pointing casserole sensor 22 and opening upward is kept closed as long as the auxiliary stack 4a rests on the supporting rake 13.
- the blowing nozzle forming the downward-pointing casserole sensor 23 is initially open, as can be seen in FIG. While the remaining stack 4a received on the carrying rake 13 is being processed, a new main stack 4 is placed on the lowered stacking table 2, as was explained in more detail above. Then the stacking table 2 is raised. This can be done by hand control.
- the lifting movement can also initially take place in overdrive until the position on which FIG. 5 is based is reached just below the carrying rake 13. The last, short distance can be covered in a slow gear.
- the switch from overdrive to slow gear can be carried out automatically using suitable sensors.
- the blowing nozzle which forms the downward-pointing emergence sensor 23 is still open. If the main stack 4 is now raised further, its top runs on the Underside of the support rake 13, whereby the downward-opening blow nozzle forming the downward-pointing casserole sensor 23 is also closed. Accordingly, there is now also a pressure increase in the associated supply line 25, which can be used as a control signal for positioning the counter-holder 20 and for extending the support rake 13. It is also conceivable to initiate these processes as a function of a further condition, for example of a certain remaining stack height, so that the same conditions are always present.
- the desired residual stack height can be sensed by means of a sensor, the output signal of which can be linked to the output signal of the downward-pointing accumulation sensor 23, for example by an AND gate.
- the counterholders 20 are first placed on the side of the stack, as already explained above.
- the associated drive devices 21 are controlled in such a way that the plate-shaped counterholders 20 run onto the respectively facing side of the stack.
- the counterholders 20 are then locked in this position.
- a clamping cylinder 32 can be assigned to each of the cylinder-piston units forming the drive devices 21, which can be controlled via a sequential circuit integrated in the signal processing device 30 after activation of the drive devices 21.
- the drive devices 18 assigned to the carrying rakes 13 can then be activated in the extension direction via a further sequential circuit integrated in the signal processing device 30.
- the exit speed can include several levels.
- the extension speed can be selected depending on the material. At least from the point in time at which the rake bars 14 emerge from the stack, the extension movement can be continued at high speed.
- the assigned drive devices can simply be provided with a frequency converter.
- the counterholders 20, as can best be seen in FIG. 5, are designed in such a way that they bridge the gap caused by the support rakes 13 between the auxiliary stack 4a and the main stack 4 provided underneath and are accordingly located both below and above the support rakes 13 Have support surfaces with which they can start on the main stack 4 or auxiliary stack 4a. As a result, lateral slipping of both the main stack 4 and the auxiliary stack 4a can accordingly be prevented.
- the counterholders 20 are of course designed in such a way that a collision with the neighboring rake bars 14 does not occur.
- the counterholders 20 are provided with a drive-through recess assigned to the respective adjacent rake bar 14.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Unwinding Webs (AREA)
- Photographic Developing Apparatuses (AREA)
- Fixing For Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4131014A DE4131014A1 (de) | 1991-09-18 | 1991-09-18 | Bogenanleger |
DE4131014 | 1991-09-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0535361A2 true EP0535361A2 (fr) | 1993-04-07 |
EP0535361A3 EP0535361A3 (en) | 1993-05-19 |
EP0535361B1 EP0535361B1 (fr) | 1995-06-28 |
Family
ID=6440871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92114355A Expired - Lifetime EP0535361B1 (fr) | 1991-09-18 | 1992-08-22 | Dispositif margeur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0535361B1 (fr) |
AT (1) | ATE124375T1 (fr) |
DE (2) | DE4131014A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996031423A1 (fr) * | 1995-04-04 | 1996-10-10 | Giesecke & Devrient Gmbh | Procede et dispositif permettant de separer des feuilles mobiles |
FR2735115A1 (fr) * | 1995-06-07 | 1996-12-13 | Roland Man Druckmasch | Dispositif pour supporter une pile residuelle de feuilles lors du changement automatique de pile |
FR2753185A1 (fr) * | 1996-09-06 | 1998-03-13 | Roland Man Druckmasch | Margeur de machine d'impression |
EP1081072A2 (fr) * | 1999-09-03 | 2001-03-07 | MAN Roland Druckmaschinen AG | Dispositif pour automatiquement changer la pile dans un margeur de feuilles |
WO2005003005A1 (fr) * | 2003-07-03 | 2005-01-13 | Giesecke & Devrient Gmbh | Separation continue de feuilles libres |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4418810C1 (de) * | 1994-05-30 | 1995-11-30 | Roland Man Druckmasch | Verfahren und Vorrichtung zum automatischen Stapelwechsel an einem Bogenanleger |
DE4421487C1 (de) * | 1994-05-30 | 1995-05-24 | Roland Man Druckmasch | Verfahren und Vorrichtung zur Vereinigung eines Hauptstapels und eines Hilfsstapels in einem Bogenanleger |
DE19516593C2 (de) * | 1995-05-05 | 2001-07-05 | Koenig & Bauer Ag | Non-Stop-Einrichtung |
DE19526594B4 (de) * | 1995-07-21 | 2006-03-09 | Koenig & Bauer Ag | Vorrichtung zur Steuerung eines Bogenanleger-Non-Stop-Betriebes |
DE19642479A1 (de) * | 1996-10-15 | 1998-04-16 | Heidelberger Druckmasch Ag | Einrichtung zur Führung vertikal verfahrbarer Bogenstapelträger |
JP5052862B2 (ja) | 2005-10-26 | 2012-10-17 | ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト | ノンストップ式の給紙装置または排紙装置の櫛歯状部材の、コンピュータ制御による引き出し |
DE102006046823C5 (de) * | 2005-10-26 | 2020-10-08 | Heidelberger Druckmaschinen Ag | Computergesteuertes Ziehen des Rechens im Non-Stop Anleger oder Ausleger |
DE102005061914A1 (de) * | 2005-12-23 | 2007-07-05 | Koenig & Bauer Aktiengesellschaft | Kollisionsschutzeinrichtung für eine Non-Stop-Einrichtung |
CN107777395A (zh) * | 2017-11-17 | 2018-03-09 | 海盐创美印业有限公司 | 一种旋转式印刷送纸装置 |
DE102018201919B3 (de) | 2018-02-07 | 2019-08-01 | Koenig & Bauer Ag | Bogenbearbeitungsmaschine mit zumindest einer Substratzufuhreinrichtung und ein Verfahren zum Betreiben einer Bogenbearbeitungsmaschine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2902278A (en) * | 1957-12-30 | 1959-09-01 | Burroughs Corp | Pneumatic controlled sheet feeder |
US4052051A (en) * | 1975-07-10 | 1977-10-04 | Pitney-Bowes, Inc. | Sheet feeder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE871158C (de) * | 1951-08-14 | 1953-03-19 | Roland Offsetmaschf | Vorrichtung zum Zufuehren von Bogenstapeln |
DE2132248C3 (de) * | 1970-08-03 | 1980-02-28 | Veb Kombinat Polygraph Werner Lamberz Leipzig, Ddr 7050 Leipzig | Pneumatisch arbeitende Vorrichtung zum Auslösen von Zähl- und/oder Abschaltvorgängen, insbesondere für Druckmaschinen |
JP2694732B2 (ja) * | 1988-07-13 | 1997-12-24 | 大日本印刷株式会社 | 枚葉紙給紙部の自動積替装置 |
-
1991
- 1991-09-18 DE DE4131014A patent/DE4131014A1/de not_active Withdrawn
-
1992
- 1992-08-22 AT AT92114355T patent/ATE124375T1/de active
- 1992-08-22 DE DE59202701T patent/DE59202701D1/de not_active Expired - Fee Related
- 1992-08-22 EP EP92114355A patent/EP0535361B1/fr not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2902278A (en) * | 1957-12-30 | 1959-09-01 | Burroughs Corp | Pneumatic controlled sheet feeder |
US4052051A (en) * | 1975-07-10 | 1977-10-04 | Pitney-Bowes, Inc. | Sheet feeder |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996031423A1 (fr) * | 1995-04-04 | 1996-10-10 | Giesecke & Devrient Gmbh | Procede et dispositif permettant de separer des feuilles mobiles |
US5803446A (en) * | 1995-04-04 | 1998-09-08 | Giesecke & Devrient Gmbh | Method and apparatus for singling loose sheet material |
FR2735115A1 (fr) * | 1995-06-07 | 1996-12-13 | Roland Man Druckmasch | Dispositif pour supporter une pile residuelle de feuilles lors du changement automatique de pile |
FR2753185A1 (fr) * | 1996-09-06 | 1998-03-13 | Roland Man Druckmasch | Margeur de machine d'impression |
EP1081072A2 (fr) * | 1999-09-03 | 2001-03-07 | MAN Roland Druckmaschinen AG | Dispositif pour automatiquement changer la pile dans un margeur de feuilles |
EP1081072A3 (fr) * | 1999-09-03 | 2002-02-06 | MAN Roland Druckmaschinen AG | Dispositif pour automatiquement changer la pile dans un margeur de feuilles |
WO2005003005A1 (fr) * | 2003-07-03 | 2005-01-13 | Giesecke & Devrient Gmbh | Separation continue de feuilles libres |
CN1816486B (zh) * | 2003-07-03 | 2010-04-28 | 德国捷德有限公司 | 连续分拣松散的片状物件的设备及方法 |
US7874554B2 (en) | 2003-07-03 | 2011-01-25 | Giesecke & Devrient Gmbh | Continuous separation of loose sheets |
Also Published As
Publication number | Publication date |
---|---|
ATE124375T1 (de) | 1995-07-15 |
DE4131014A1 (de) | 1993-03-25 |
EP0535361B1 (fr) | 1995-06-28 |
EP0535361A3 (en) | 1993-05-19 |
DE59202701D1 (de) | 1995-08-03 |
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