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EP0535360A2 - Sortie de feuilles - Google Patents

Sortie de feuilles Download PDF

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Publication number
EP0535360A2
EP0535360A2 EP92114354A EP92114354A EP0535360A2 EP 0535360 A2 EP0535360 A2 EP 0535360A2 EP 92114354 A EP92114354 A EP 92114354A EP 92114354 A EP92114354 A EP 92114354A EP 0535360 A2 EP0535360 A2 EP 0535360A2
Authority
EP
European Patent Office
Prior art keywords
stack
sheet delivery
auxiliary stack
auxiliary
delivery according
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
Application number
EP92114354A
Other languages
German (de)
English (en)
Other versions
EP0535360B1 (fr
EP0535360A3 (en
Inventor
Martin Benz
Hermann Josef Falkenstein
Rudolf Liepert
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.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0535360A2 publication Critical patent/EP0535360A2/fr
Publication of EP0535360A3 publication Critical patent/EP0535360A3/de
Application granted granted Critical
Publication of EP0535360B1 publication Critical patent/EP0535360B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H31/00—Pile receivers
    • B65H31/32—Auxiliary devices for receiving articles during removal of a completed 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/426—Forming batches
    • B65H2301/4262—Forming batches by inserting auxiliary support as defined in B65H31/32
    • B65H2301/42622—Forming batches by inserting auxiliary support as defined in B65H31/32 and using auxiliary means for facilitating introduction of the auxiliary support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • 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 delivery device for sheet-processing machines, in particular sheet-fed printing machines, having a main stack receiving device which can be actuated by means of a main elevator which can be actuated by a level switch during normal delivery operation, and a non-stop device which can be activated to carry out a stack change and which has an auxiliary stack receiving device on which an auxiliary stack which arises during the stack change is recordable, which can be placed on the main stack receiving device after the stack change.
  • the non-stop device has two auxiliary stack carriers provided in the region of the stack side edges, which can be moved in the opposite direction from a lateral waiting position into a working position spanning the main stack and vice versa, and which are assigned, arranged above, from a side waiting position to one of the associated Separation position overlapping the stack side edge has separable elements which, in their separating position, keep an entry gap for the respectively assigned auxiliary stack carrier and are retractable when the auxiliary stack carrier is retracted.
  • the separating elements assigned to the auxiliary stack carriers which can be designed as comparatively low-mass pins etc., can be moved at high speed due to their low mass. It is therefore possible to shoot these separating elements at high speed during the passage of a gap between two sheets. Relative movements between the shooting-in separating elements and the sheet material to be accommodated thereon are therefore not to be feared without a reduction in the production speed being necessary.
  • the auxiliary stack carriers which can be moved into the gap held open by the separating elements can therefore be moved at a comparatively low speed, which has an advantageous effect on reducing the stresses on the associated locomotive apparatus and on the development of noise. Because each of the two, in opposite directions movable auxiliary stack carrier only has to travel half way, this results in comparatively short movement times.
  • the pushing forces resulting therefrom also cancel each other out in an advantageous manner, so that there is no fear of a displacement of the auxiliary stack.
  • the lateral arrangement of the auxiliary stack carriers results in a not inconsiderable space saving.
  • the auxiliary stack carriers can advantageously be slidably received on a lifting frame guided in the lifting direction by means of a vertical guide, which is suspended from an auxiliary elevator which can be lowered in cycles by means of the level switch when the auxiliary stack carriers are retracted.
  • a further advantageous measure can consist in that the lifting frame is provided with longitudinal guides for slides each receiving an auxiliary stack carrier, which are synchronized by means of a synchronization device which is preferably designed as a cable pull.
  • the synchronization of the two auxiliary stack carriers which can be moved in opposite directions ensures that displacement forces acting on the auxiliary stack accommodated thereon from the start are mutually canceled, which has an advantageous effect on the achievable accuracy.
  • the auxiliary stack carriers can be designed as plate-shaped swords, which are expediently contoured in an arc-shaped manner in the region of their mutually facing edges and tapered like a wedge.
  • These measures not only enable the auxiliary stack to be picked up reliably, but also advantageously ensure that the auxiliary stack carriers can gently pave their way when entering the associated gap, so that even with a non-ideal entry gap, high functional reliability and gentle operation are guaranteed.
  • the above-mentioned measures advantageously also enable simple generation of an air cushion, which likewise has an advantageous effect on achieving a gentle mode of operation.
  • the sword-shaped auxiliary stack supports can expediently be designed as sandwich plates, the interior of which is preferably subdivided by webs and can be connected to a compressed air source and which in the region of their upper side preferably have blow nozzles designed as ball valves.
  • the separating elements on each side can be accommodated on a slide which is adjustably accommodated on a horizontal guide arranged in a fixed frame. This ensures that the separating elements not be lowered together with the lifting frame, which has an advantageous effect on the simplification of the construction.
  • the pins forming the separating elements can expediently be pivoted and can be lowered from their horizontal insertion direction with their front end by means of an associated pivoting device.
  • the separating elements which have been lowered in this way have a profile which is adapted to the sheet which is received on the edge thereof and which sag in the middle to the main stack, which results in a reliable entry gap for the sword-shaped auxiliary stack carriers.
  • a further advantageous measure can consist in the fact that the drive units assigned to the separating elements can be actuated by means of a sensor that directly or indirectly scans the respectively arriving sheet. This ensures that collisions are reliably avoided.
  • vibrating side bumpers can be provided in the region of the separating elements which are arranged at a fixed height. This measure also serves to increase the achievable stacking accuracy.
  • the sheets printed in a sheet-fed printing machine are deposited in the form of a stack by means of an extension that is arranged downstream of the sheet-fed printing machine.
  • the boom on which FIGS. 1 and 2 are based consists of a portal-shaped frame 1, into which a sheet transport device provided with gripper bars 3 which are received on side chains 2 runs. This throws the sheets held by the grippers of the gripper bars 3 onto a stack receiving device arranged within the frame 1.
  • a main stack receiving device and an auxiliary stack device are provided to accomplish a non-stop operation, which are used alternatively.
  • the main stack receiving device consists of a vertically movable platform 4, which is movable by means of an associated main stack elevator, indicated here by its lifting chains 5, which can be actuated by means of a motor (not shown).
  • the platform 4 can be loaded with a pallet 6, on which a sheet stack can be received.
  • the motor of the main stacking elevator, not shown, can be controlled by a level switch 7, for example a capacitive probe, so that the upper edge of the stack received on the pallet 6 is always at a constant level. To load and unload the platform 4, it is lowered to the floor level.
  • a transport device designed as a roller conveyor 8 and extending transversely to the sheet conveying direction, the drive elements of which can be controlled by sensors designed as light barriers 9.
  • the roller conveyor 8 consists of a central section 8a mounted on the platform 4, which is flanked by upstream or downstream sections for delivering a new pallet or pulling off a loaded pallet.
  • a displacement device 10 designed here as a cylinder-piston unit can be provided.
  • the auxiliary stack pick-up device serves to accomplish a non-stop operation when changing the stack, ie when removing a pallet loaded with a complete stack and transporting it there a new empty pallet.
  • the sheets produced during this process are picked up on the auxiliary stack receiving device in the form of a so-called auxiliary stack, which can then be placed on the empty pallet which has meanwhile been positioned on the main stack receiving device.
  • the auxiliary stack receiving device here consists of two auxiliary stack supports 11 which can be retracted and extended in opposite directions from the side and which can be moved from a side waiting position which is on the basis of FIGS. 1 and 2 and which flanks the stack base area and into a working position which overlaps the stack base area and which is the basis of FIG.
  • the two auxiliary stack carriers 11, like the platform 4, can be lowered in cycles to achieve a constant level of the top edge of the stack of the auxiliary stack.
  • a lifting frame 12 is provided which receives the two auxiliary stack carriers 11 and is guided in the lifting direction by means of a vertical guide and which can be actuated by means of an associated auxiliary elevator 13.
  • This consists of a shaft 14 bridging the boom, which can be driven by means of an associated geared motor 15 and can be lengthened or shortened by means of the lifting members 16 receiving the lifting frame 12.
  • the timing of the motor 15 of the auxiliary elevator when the auxiliary stack carriers are retracted can be carried out in the same way as the timing of the motor of the main stack receiving device by means of the level switch 7.
  • the lifting frame 12 is designed as a closed rectangular frame, which results in high stability and torsional rigidity.
  • the lifting frame 12 is provided in the region of its spars extending transversely to the sheet conveying direction with longitudinal guides 17, on each of which slides 18 receiving an auxiliary stack carrier 11 are slidably guided in the horizontal direction.
  • the clear width of the lifting frame 12 in the sheet conveying direction is somewhat larger than the maximum processable format length.
  • the clear width transverse to it corresponds at least to the maximum processable format width plus the maximum entry depth of the auxiliary stack carrier 11. This ensures that there is at least a free space corresponding to the maximum stack base area and thus collisions are reliably avoided.
  • the slides 18 assigned to the auxiliary stack carriers 11 can be moved synchronously in opposite directions.
  • a synchronization device formed here by a cable 19 is provided.
  • This can be coupled to a common drive device.
  • separate drive devices in the form of cylinder-piston units 20 assigned to the two slides 18 are provided.
  • an inner and an outer limit switch 21 are provided, which cooperate with a cam 22 received on one of the slides 18.
  • the drive devices assigned to the two synchronously movable carriages 18 are controlled by the limit switches 21.
  • the inner limit switch 21 can be arranged in a stationary manner, since the two auxiliary stack carriers 11 are retracted so far in any case be that their mutually facing edges, as shown in Figure 4, face each other with a small distance.
  • the outer limit switch 21 can be arranged so that the extended end position can be adapted to the format width being processed.
  • separating elements 23 which serve to keep an entry gap 24 open for the respectively associated auxiliary stack carrier 11 when a stack change is initiated, that is to say to act as separating aids.
  • the separating elements 23 can be designed as simple pins, which are provided here with a drop-shaped depression 25 at their front end.
  • the pins forming the separating elements 23 can be displaced in the axial direction by means of an associated drive device, here in the form of cylinder-piston units 26.
  • the pins mentioned can simply be designed as extensions of the piston rod. As a result of their low mass, the pins forming the separating elements 23 can be retracted or extended at high speed with the aid of the associated cylinder-piston units 26.
  • two V-shaped separating elements 23 are provided in the area of each stack side.
  • the separating elements 23 on each side are received on an associated slide 27 which is guided on an associated horizontal guide 28.
  • This can be attached to the machine frame 1.
  • the carriage 27 can be moved manually or by motor. The carriage 27 are adjusted so that the Separating elements 23 in their withdrawn waiting position on which FIGS. 1 and 2 are based are located with their front ends outside the stack base area and, in their retracted working position on which FIG. 3 is based, overlap the assigned stack side edge.
  • the separating elements 23 are oriented approximately horizontally in the withdrawn waiting position.
  • the front end of the separating elements 23 is inclined downward, so that there is an approximately adapted course to the passage of the sheets 29 supported on the edge thereof.
  • the separating elements 23 are pivotably arranged on the respectively assigned slide 27.
  • each carriage 27 is provided with a swivel frame 31 which can be swiveled by means of an associated swivel drive 30, also designed as a cylinder-piston unit, on which the associated separating elements 23 together with their respectively assigned drive elements are received.
  • the pivoting movement of the pivot frame 31 can be limited by stops.
  • the separating elements 23 which act as a separating aid are first removed from it brought the waiting position underlying Figures 1 and 2 into the working position underlying Figure 3. This process can take place at high speed due to the low mass of the separating elements 23, so that it can be said that the separating elements 23 are shot in.
  • the shooting-in movement is set sideways so that the separating elements 23 shoot in during the passage of a gap between two successive sheets. The command required for this is taken from the incoming sheet itself.
  • a sensor 33 cooperating with the sheet transport device which senses the gripper bar 3 dragging the respectively arriving sheet and actuates the cylinder-piston units assigned to the separating elements 23 at the correct time.
  • the further actuation of the cylinder-piston units 30 assigned to the swivel frame 31 can be accomplished by means of a sequential circuit.
  • the separating elements 23 are shot in a horizontal orientation and then lowered.
  • the pins forming the separating elements 23 can initially rest on the surface of the stack 32 received on the main stack receiving device with their front end, which is thickened here in the form of drops.
  • the main stack receiving device With the initiation of the shooting-in process of the separating elements 23, the main stack receiving device is lowered at high speed, so that the separating elements 23 are removed from the top of the stack 32 after a short time lift off and this reaches with its upper edge below the level of the auxiliary stack carrier 11 placed in its uppermost position and in the waiting position.
  • the auxiliary stack carriers 11 are designed as plate-shaped swords, which are contoured in an arc shape in the region of their front edge and are tapered in a wedge shape in the region of this arcuate contouring.
  • the shaped pieces 34 containing the arcuate contouring and wedge-shaped taper can be used, which are simply attached to the rear area of the associated auxiliary stack carrier 11.
  • This contouring of the front ends of the auxiliary stack carriers 11 ensures that they can clear a path even if the entry gap 24 is not ideal that damage to the bottom sheet 29 in each case of the sheet package accommodated by the auxiliary stack carriers 11 and accommodated on the separating elements 23 would be feared.
  • the mutually facing ends of the two auxiliary stack carriers 11 lie opposite each other at a short distance, so that there is reliable, large-area support of the auxiliary stack 38 to be accommodated thereon.
  • the separating elements 23 are brought back into their waiting position, as can further be seen in FIG.
  • the sheet package held up to that point by the separating elements 23 is placed on the retracted auxiliary stack carrier 11.
  • the auxiliary stack 38 is formed, the upper edge of which, as already mentioned above, is kept at a constant level by lowering the lifting frame 12 containing the auxiliary stack carriers 11.
  • the carriages 27 receiving the separating elements 23 are provided with vibratory linear pushers 35, which can be adjusted with the help of the carriages 27 to the respectively assigned side of the stack.
  • the straight pushers 35 can be activated both when the sheet is deposited on the main stacking device and when the sheet is deposited on the auxiliary stack carriers.
  • the straight pushers 35 as can be seen further in FIG. 2, are provided with recesses 36 through which the separating elements 23 reach in the working position can. Accordingly, the separating elements 23 do not have to take part in the vibration movement of the straight pushers 35.
  • the main stack 32 which was initially lowered into the position on which FIG. 3 is based, in which the sheets 29 raised by the separating elements 23 on the edge can be supported in the region of their center on the top of the stack, until the platform 4 is in its lowest position, in which the sections of the roller conveyor 8 are aligned with one another and accordingly the pallet carrying the main stack 32 can be moved out of the feeder and a new empty pallet can be inserted into the feeder.
  • the retracted empty pallet is raised by means of the platform 4 to just below the auxiliary stack carrier 11. This position is sensed by means of a sensor 37 arranged on the lifting frame 12, here designed as a light barrier (FIGS. 1 and 3).
  • auxiliary stack carriers 11 are then extended. This process can also be triggered by the sensor 37 by means of a sequential circuit.
  • the auxiliary stack 38 received on the auxiliary stack carriers 11 is placed on the empty pallet positioned below the auxiliary stack carriers 11. Since the two auxiliary stack carriers 11 also move synchronously when they are extended, it is ensured that the displacement forces resulting therefrom cancel each other out when they are extended.
  • the auxiliary stack carriers 11 are provided with air nozzles 39 which can be supplied with air in the region of their upper side. These are designed here as ball valves that close automatically and only open when the associated ball is depressed.
  • the auxiliary stack carriers 11, as can further be seen in FIG. 5, are simply constructed as sandwich plates with an upper and a lower cover plate 40, 41, which are fastened to webs 42 which act as spacers. These are designed so that the interior 43 is composed of chambers that communicate with one another.
  • the air supply to the blowing nozzles 39 can already take place when the auxiliary stack carrier 11 is retracted and can be maintained until the end of the extension process.
  • it is more favorable to apply air to the auxiliary stack carriers 11 only during their entry or exit operation that is to say to activate the air supply at the start of the entry or exit operation and to passivate them again if they are appropriately packed. This minimizes air consumption and at the same time ensures that the auxiliary stack does not float during normal auxiliary stack operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Materials For Medical Uses (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP92114354A 1991-09-18 1992-08-22 Sortie de feuilles Expired - Lifetime EP0535360B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4131015 1991-09-18
DE4131015A DE4131015C2 (de) 1991-09-18 1991-09-18 Bogenausleger

Publications (3)

Publication Number Publication Date
EP0535360A2 true EP0535360A2 (fr) 1993-04-07
EP0535360A3 EP0535360A3 (en) 1993-05-19
EP0535360B1 EP0535360B1 (fr) 1995-06-21

Family

ID=6440872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92114354A Expired - Lifetime EP0535360B1 (fr) 1991-09-18 1992-08-22 Sortie de feuilles

Country Status (5)

Country Link
US (1) US5322272A (fr)
EP (1) EP0535360B1 (fr)
JP (1) JPH0818743B2 (fr)
AT (1) ATE124011T1 (fr)
DE (2) DE4131015C2 (fr)

Cited By (3)

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EP0974543A1 (fr) * 1998-07-21 2000-01-26 Gerhard Kurt Méthode et dispositif pour la formation de piles de feuilles
WO2023066516A1 (fr) * 2021-10-19 2023-04-27 Giesecke+Devrient Currency Technology Gmbh Support de matériaux en feuilles pour porter des matériaux en feuilles

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DE102012021268B4 (de) * 2011-11-25 2023-10-05 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Bildung eines Hilfsstapels
FR2990195B1 (fr) * 2012-05-03 2014-06-06 Holweg Sas Procede et machine de formation de paquets de sacs
SE544090C2 (en) * 2018-04-22 2021-12-21 Zenrobotics Oy Waste Sorting Gantry Robot
DE102019127344A1 (de) * 2019-10-10 2021-04-15 Koenig & Bauer Ag Auslage und Verfahren zum Ablegen von Bogen in einer Auslage einer bogenverarbeitenden Maschine
DE102019127356B4 (de) * 2019-10-10 2023-08-03 Koenig & Bauer Ag Verfahren zum Ablegen von Bogen in einer Auslage einer bogenverarbeitenden Maschine
DE102019127353B3 (de) * 2019-10-10 2020-12-03 Koenig & Bauer Ag Auslage und Verfahren zum Ablegen von Bogen in einer Auslage einer bogenverarbeitenden Maschine
DE102019127347B3 (de) * 2019-10-10 2020-12-03 Koenig & Bauer Ag Auslage und Verfahren zum Ablegen von Bogen in einer Auslage einer bogenverarbeitenden Maschine
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DE3923475A1 (de) * 1989-07-15 1991-01-24 Koenig & Bauer Ag Bogenausleger fuer druckmaschinen
DE3937944C1 (fr) * 1989-11-15 1991-04-18 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4001565A1 (de) * 1990-01-20 1991-07-25 Heidelberger Druckmasch Ag Bogenausleger einer bogendruckmaschine
DE4011286A1 (de) * 1990-04-06 1991-10-17 Heidelberger Druckmasch Ag Bogenausleger fuer druckmaschinen oder dergleichen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995024354A1 (fr) * 1994-03-08 1995-09-14 Jagenberg Papiertechnik Gmbh Dispositif d'empilage de feuilles de papier
EP0974543A1 (fr) * 1998-07-21 2000-01-26 Gerhard Kurt Méthode et dispositif pour la formation de piles de feuilles
WO2023066516A1 (fr) * 2021-10-19 2023-04-27 Giesecke+Devrient Currency Technology Gmbh Support de matériaux en feuilles pour porter des matériaux en feuilles

Also Published As

Publication number Publication date
EP0535360B1 (fr) 1995-06-21
DE4131015A1 (de) 1993-04-01
US5322272A (en) 1994-06-21
EP0535360A3 (en) 1993-05-19
JPH05213513A (ja) 1993-08-24
ATE124011T1 (de) 1995-07-15
DE59202607D1 (de) 1995-07-27
DE4131015C2 (de) 1995-10-05
JPH0818743B2 (ja) 1996-02-28

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