EP3720715A1 - Machine for processing a tabular substrate with a movable vacuum table, and method for operating a movable vacuum table - Google Patents
Machine for processing a tabular substrate with a movable vacuum table, and method for operating a movable vacuum tableInfo
- Publication number
- EP3720715A1 EP3720715A1 EP18815633.5A EP18815633A EP3720715A1 EP 3720715 A1 EP3720715 A1 EP 3720715A1 EP 18815633 A EP18815633 A EP 18815633A EP 3720715 A1 EP3720715 A1 EP 3720715A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction table
- machine according
- substrate
- openings
- slides
- 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
- 239000000758 substrate Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000007639 printing Methods 0.000 claims description 20
- 241000124008 Mammalia Species 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000010422 painting Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
- B41F15/18—Supports for workpieces
- B41F15/20—Supports for workpieces with suction-operated elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/003—Special types of machines for printing textiles
- B41F17/005—Supports for workpieces; Devices for securing the workpieces to the supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/24—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on flat surfaces of polyhedral articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0025—Handling copy materials differing in width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0085—Using suction for maintaining printing material flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/06—Flat page-size platens or smaller flat platens having a greater size than line-size platens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/0054—Handling sheets of differing lengths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
- B65H29/241—Suction devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/04—Feeding articles separated from piles; Feeding articles to machines by movable tables or carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
- B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
-
- 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
- B65H2406/30—Suction means
- B65H2406/36—Means for producing, distributing or controlling suction
- B65H2406/362—Means for producing, distributing or controlling suction adjusting or controlling distribution of vacuum transversally to the transport direction, e.g. according to the width of material
-
- 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
- B65H2406/30—Suction means
- B65H2406/36—Means for producing, distributing or controlling suction
- B65H2406/362—Means for producing, distributing or controlling suction adjusting or controlling distribution of vacuum transversally to the transport direction, e.g. according to the width of material
- B65H2406/3622—Means for producing, distributing or controlling suction adjusting or controlling distribution of vacuum transversally to the transport direction, e.g. according to the width of material adjusting or controlling distribution of vacuum in the transport direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1131—Size of sheets
- B65H2701/11312—Size of sheets large formats, i.e. above A3
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
-
- 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
- Machine for processing tabular substrate with a movable suction table and method for operating a movable suction table
- the invention relates to a machine for processing a tabular substrate with a displaceable suction table and to a method for operating a displaceable suction table of a tabular substrate-processing machine.
- suction table for offset printing wherein the suction table includes a Grundsaughunt whose size corresponds approximately to the minimum format of the template, and around the circumference suction chambers are arranged, said chambers are connected to each other via small channels , which form the throttle points in the suction line system. This is to ensure sufficient vacuum at the mammary openings for bow fixation without additional mechanical or electrical adjustment.
- a device for sucking workpieces can be lifted by which objects and moved to another location.
- the entire suction plate is equipped with a single slider.
- the slider is interchangeable attached to the suction plate.
- EP 3 042 767 B1 discloses a suction surface for fixing a sheet to a sheet support surface in a sheet-processing machine, two slides being provided below the sheet support surface, each having a peripheral grid and side raster having a plurality of mammalian apertures arranged in rows and rows.
- a disadvantage of this solution is that the sliders are formed over a large area and thus appropriate guides must be provided. Automation is not provided.
- the invention has for its object to provide an alternative tabular substrate processing machine with a movable suction table and an alternative method of operating a movable suction table of a tabular substrate processing machine.
- an automation of a setting process and / or a faster format setting of the suction table of a tabular substrate-processing machine, such as a digital printing press are to be achieved.
- the invention has the advantage of providing an alternative tabular substrate processing machine with a displaceable suction table or an alternative method of operating a displaceable suction table of a tabular substrate processing machine.
- an automation of a setting process and / or a faster format adjustment of the suction table of a tabular substrate-processing machine, such as a printing machine achieved.
- This can be done an adaptation of the suction table to the format of the tabular substrate.
- a corresponding tabular substrate-processing machine for example, a digital printing machine with such a movable suction table for printing and / or painting of panels, in particular metal sheets, be.
- an improved processing of the substrate can advantageously take place, since disturbing air flows in the area of the suction table can be reduced or avoided.
- a processing of the substrate be carried out by non-impact method or in the ink jet, wherein advantageously the drop flight can be improved or stabilized. Especially in the edge region of the substrate can thus be achieved an improved drop flight and thus improved quality.
- the suction table or vacuum table can be used in a digital printing machine, in particular for printing on panels, in particular metal sheets.
- the mammal openings of the suction table outside the table surface can be closed with variable board size, ie. H. even if the board size is smaller than the maximum suction area of the suction table.
- the drop flight of an inkjet head in the edge region of the substrate, for example the panel can no longer be adversely affected by the air flows caused by the mammalian openings, so that an improved print quality of the substrate, in particular of the panel, is achieved.
- the slides or perforated slides can be designed as, for example, latching, in particular bistable elements, with which the suction table or vacuum table can be designed without or without moving actuators.
- the displacement or displacement of the slide can be done for example in the basic position by stationary adjusting elements, such as stationary pneumatic cylinders, in the frame walls.
- Fig. 1 Perspective view of a digital printing machine
- FIG. 2 shows another perspective view of the digital printing machine
- FIG. 3 shows another perspective view of the digital printing machine
- Fig. 4 functional drawing of the digital printing machine
- Fig. 5 Suction table with sliders outside the minimum to be processed
- Fig. 6 Enlarged view of the suction table with guide grooves for the
- Fig. 7 Section of the suction table with pneumatic cylinders adjustable sliders.
- FIG. 1 shows a perspective illustration of a machine for processing a substrate with at least one device 1, 2, 3, 4 arranged in a housing 8 for contactless application of a medium, in particular a printing ink, and / or a coating material to the substrate and with a conveying device 6 which moves the substrate in a feed direction T relative to the at least one device 1, 2, 3, 4.
- the conveying device 6 has, in particular, endlessly circulated traction means which act on a suction table 7.
- the substrate may be a flat spread carrier, fabric or material.
- the substrate in the printing technique is the material to be printed, ie the substrate, for. B. a sheet or a metal sheet.
- the substrate can also be, for example, in material management, the material to be treated, for example a tabular material or a base plate.
- the substrate may also be a base, for example, in electronics manufacturing, on the electronic components, eg. B. Semiconductor chips for contacting their connections are attached, for. B. a circuit board.
- the paint may be a liquid or powdery coating material, which is applied thinly to the substrate and, if necessary, by chemical or physical processes, for. B. by evaporation of a solvent, is formed into a continuous solid film.
- the at least one device 1, 2, 3, 4 is in particular each transversely to the feed direction T of the resting on the suction table 7 substrate movable, in particular remotely positioned, z. B. motor positioned, arranged.
- the substrate to be processed is z. B. formed as a sheet of paper or plastic or as a particular metallic board or as a flat body with at least one planar processing surface.
- the devices 1, 2, 3, 4 can be moved, for example, by means of the housing 8 transversely to the feed direction T and / or in its altitude.
- the devices 1, 2, 3, 4 can be displaced on the traverse 9 on one or preferably both sides to the outside of the frame 5.
- the housing 8 with the devices 1, 2, 3, 4 is In particular transversely to the feed direction T of the substrate in question, in particular by a remote control preferably positioned arbitrarily, said positioning according to the resulting from the intended processing process requirements z. B. automatically by means of a control.
- Fig. 2 shows another perspective view.
- the conveyor 6 in the feed direction T a length of several meters, z. B. more than 3 m, have.
- a transversely to the feed direction T extending width of the conveyor 6 may be more than 1 m.
- the suction table 7 of the conveyor 6 has a particular flat surface carrying the substrate to be processed, which is held or guided horizontally aligned at least in a respective working area A of the at least one device 1, 2, 3, 4.
- the suction table 7 may for example be guided laterally such that during the processing of the substrate, only a very small gap of z. B.
- Fig. 3 shows a further perspective view, wherein the suction table 7 of the conveyor 6 in a z. B. table-shaped frame 5 is arranged.
- the frame 5 contains in particular a pair of mutually parallel vertically arranged frame walls, wherein the suction table 7 is arranged between these frame walls.
- the suction table 7 can be arranged in particular in the region of the upper edges of the frame walls.
- the preferably rectilinearly or horizontally displaceable suction table 7 can be arranged, supported and / or guided in the region of the upper edges of the frame walls, wherein the suction table 7 can also be mounted or guided by means of air bearing relative to the frame 5 of the machine.
- a drivable drive shaft 10 is provided, which are assigned in the region of the frame walls drive wheels 11.
- the drive wheels 1 1 are in particular coaxial with each other and spaced from each other, the drive shaft 10 fixedly assigned.
- the drive wheels 11 may be sprockets or gears.
- a deflection shaft 12 is arranged parallel to the drive shaft 10 on the opposite side between the frame walls, which are assigned in the region of the frame walls guide wheels 13.
- the deflection wheels 13 are in particular coaxial with one another and at a distance from each other the deflection shaft 12 in particular permanently assigned.
- the guide wheels 13 may be correspondingly sprockets or gears.
- the traction means may accordingly be, for example, endless chains or belts, in particular toothed belts. The traction means can continue to be guided on the frame walls.
- preferably two horizontally oriented working chambers 14 are formed by the two traction means arranged parallel to one another, to which the suction table 7 is assigned.
- the suction table 7 is assigned.
- the drive shaft 10 and the driving wheels 1 1 connected thereto are preferably driven by a particularly controllable electric motor 15, possibly via a gear 16.
- the drive wheels 1 1 can also be driven separately.
- FIG. 4 illustrates in a simplified functional diagram by way of example the operation of the machine for processing a substrate, for. B. a particular massive panel with z. B. several kilograms of mass or a particular large format, ie greater than DIN A0, formed sheet.
- at least in the working area A of the at least one device 1, 2, 3, 4 bidirectional preferably each translational movement of the respective substrate supporting the suction table.
- a first control unit 19 checks, in particular, for example, by means of a defect-free sensor 20 which is connected to it, preferably without contact, to determine whether the substrate arranged on the suction table 7 is ready for processing.
- the substrate to be processed is sensory examined for defects, with a defect z. B. in an undesirable elevation of the substrate or in a folded edge area, z. B. in a bent corner of the substrate, or may consist of a foreign body arranged on the substrate.
- Such a defect may, if it remained unrecognized, in particular at a distance as small as z. B.
- an optical sensor preferably as a light scanner, in particular as a laser light scanner, each with a transverse to the feed direction T of the substrate extending, z.
- a light scanner in particular as a laser light scanner
- horizontal light beam or light band which is detected by a break or weakening of the light beam or the light band a defect of the substrate.
- the suction table 7 is preferably moved by the traction means of the conveyor 6 alternately between the starting position 17 and the Ausschubposition 18, wherein limiting means may be provided in the region of the reversing movement.
- rubber buffer 21 may be arranged for the suction table 7 in the region of the start position 17 and / or the Ausschubposition 18. Since the suction table 7 alternately performs a forward movement and a backward movement, a collision sensor 22 connected to a controller, preferably the first control unit 19, is preferably provided, which monitors the position of the suction table 7. In particular, the position of the suction table 7 with respect to a rubber buffer 21 can be monitored.
- a collision sensor 22 is provided in the region of the start position 17 and in the region of the ejection position 18.
- the substrate to be processed is placed on the suction table 7.
- the first control unit 19 preferably sets the drive wheels 1 1 and thus the traction means moving the suction table 7 in the feed direction T, after a release by the defect sensor 20 optionally via a servo converter controlling the electric motor 15 and, for example, via the gear 16 connected to the motor shaft.
- a control in particular a second control unit 23, checks with a preferably non-contact preferred preferably fixedly arranged trigger sensor 24, when a forward in the feed direction T edge of the substrate to be processed during the advancing movement of this substrate in the working area A of at least one device 1, 2, 3, 4 occurs, wherein the substrate to be processed preferably moves at a constant speed to the working area A of the at least one device 1, 2, 3, 4.
- the trigger sensor 24 in particular to the second control unit 23, the processing of the relevant substrate to be executed by the at least one device 1, 2, 3, 4 can thus be triggered.
- the at least one device 1, 2, 3, 4 is preferably connected to the second control unit 23 for contactless application of a medium, in particular the printing ink, and / or a coating substance.
- the second control unit 23 is in turn also connected to the first control unit 19, in particular for bidirectional data exchange.
- the trigger sensor 24 is z. B. as an optical sensor, in particular as a light sensor, in particular as a laser light sensor.
- the second control unit 23 preferably controls directly the respective working steps to be executed by the at least one device 1, 2, 3, 4 for processing the relevant substrate.
- the first control unit 19 rather coordinates superordinate the interaction of all the components involved in the processing process as a function of the signals which the defect sensor 20 and possibly further sensors deliver to the first control unit 19.
- Fig. 5 shows a suction table 7 of the machine with arranged in the suction table 7 in rows and rows mammalian openings 25.
- the mammal openings 25 are preferably equally spaced on the surface of the suction table 7 or evenly or symmetrically distributed.
- the feed direction T for example, fifty-nine lines of mammalian openings 25 may be provided.
- Cross to Feed direction T for example, forty-nine rows of mammalian openings 25 may be provided.
- the minimum format to be processed may, for example, cover an area corresponding to thirty-five rows of mammalian openings 25 in the feed direction T and twenty-five rows of mammalian openings 25 transverse to the feed direction T.
- the surface of the minimum format to be processed is associated with an edge region of the suction table 7.
- the surface to be processed is assigned to two adjoining outer edges of the suction table 7.
- At least one hollow chamber is provided, which is connected via the plurality of mammalian openings 25 provided for supporting the substrate surface of the suction table 7, wherein in the respective hollow chamber in comparison to a machine and in particular the conveyor 6 surrounding air pressure respectively a suppressor is formed or at least can be formed, so that a substrate resting on the mammal openings 25 in pneumatic communication with the hollow chamber is preferably non-displaceably fixable on the surface of the suction table 7 by the negative pressure formed in the respective hollow chamber.
- at least one vacuum chamber cooperating with the respective hollow chamber is preferably provided with a suction channel in connection with the conveying device 6, wherein the vacuum chamber z.
- the suction table 7 has in particular outside of the minimum of the machine to be processed format arranged slide 26, 27. Multiple rows of mammary apertures 25 and / or multiple rows of mammalian apertures 25 are associated with respective slides 26, 27 for opening and closing the mammary apertures 25.
- the suction table 7 may have, for example, twenty-four slides 26 for actuating the mammal openings 25 in the feed direction T and / or twenty-four slides 27 for actuating the mammal openings 25 transversely to the feed direction T.
- all slides 26, 27 equidistant and / or arranged at a distance from the mammalian openings 25 breakthroughs.
- the openings of the openings at the top and bottom of the slide 26, 27 are preferably arranged congruent.
- the breakthroughs may be, for example holes.
- the openings of one, several or all slides 26, 27 are circular and / or executed with the same diameter.
- the slides 26, 27 are assigned, for example, to the surface of the suction table 7 carrying the substrate or arranged parallel thereto.
- the slide 26, 27 may be covered by a cover plate, which may further form the surface of the suction table 7 for supporting the substrate.
- a cover plate may for example be fastened by means of a screw connection and contain the mammal openings 25 of the suction table 7 in rows or rows.
- a respective slider 26, 27 is displaced relative to the surface of the suction table 7, a preferably simultaneous and, in particular, complete opening or closing of all mammalian openings 25 of a respective row or row takes place.
- the slides 26 associated with the rows of mammary apertures 25 and the slides 27 associated with the rows of mammary apertures 25 may preferably slide directly towards each other during a displacement.
- all the slides 26, 27 associated with the rows and / or rows of mammalian openings 25 outside the minimum format to be processed can be activated by actuation.
- the actuators can be designed as pneumatic cylinders with a stroke of at least approximately 10 mm.
- the pneumatic cylinder can be controlled by a valve terminal with, for example, forty-eight individually switchable valves, which is mounted in particular on the underside of the suction table 7 and preferably has a CAN bus interface.
- the actuators are preferably controlled in such a way that the mammal openings 25 of the suction table 7 are open in the de-energized state, ie unfold a suction effect with applied negative pressure.
- Fig. 6 shows an enlarged view of the suction table 7 with grooves 28 for guiding the slides 26 for opening and closing the mammalian openings 25 arranged in rows and grooves 29 for guiding the slides 27 for opening and closing the mammalian openings 25 arranged in rows the suction table 7 in particular grooves 28 of a first depth and orthogonal thereto grooves 29 of a second deviating from the first depth depth of a surface of the suction table 7 for guiding the slider 26, 27 on.
- the grooves 28, 29 are in each case arranged parallel or orthogonal to one another and guide the respective slides 26, 27 parallel to the surface of the suction table 7.
- Fig. 7 shows a section of the suction table 7 with actuator, for example of pneumatic cylinders, adjustable slides 26, 27.
- the slides 26, 27 are thereby displaced by the actuators against a spring 30.
- each slider 26, 27 may each be assigned a separate spring 30.
- the springs 30 may, for example, be supported against a common bar fixed to the suction table 7.
- the slides 26, 27 are moved by the springs 30 into a position or held in this, in which cover the openings of the slide 26, 27 with the mammal openings 25, that is, a suction effect by the released from the slide 26, 27 mammalian openings 25.
- the respective slider 26, 27 Upon actuation of a respective actuator, the respective slider 26, 27 is displaced against the spring force of the spring 30, so that the coverage of the openings is canceled to the mammal openings 25, ie no suction on the covered by the slide 26, 27 mammalian openings 25 more.
- the suction table 7 can be adjusted to the substrate format to be processed by the machine by the independent displacement of at least two slides 26, 27 which can be displaced parallel to each other. In this case, several smaller substrates can be fixed simultaneously on the suction table 7.
- the displacement of the at least two or even more slides 26, 27 or the displacement of a plurality of orthogonal, ie mutually displaceably arranged displaceable slide 26, 27 takes place in particular actuator or remote adjustable.
- a respective slide 26, 27 is preferably moved only to close the mammal openings 25 in particular by the actuator, so that without actuation of the slide 26, 27, the mammalian openings 25 develop a suction effect. Alternatively, this can also be done the other way around.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Screen Printers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017222254.9A DE102017222254B4 (en) | 2017-12-08 | 2017-12-08 | Suction table and method for operating a suction table of a sheet-like substrate processing machine |
PCT/EP2018/083650 WO2019110661A1 (en) | 2017-12-08 | 2018-12-05 | Machine for processing a tabular substrate with a movable vacuum table, and method for operating a movable vacuum table |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3720715A1 true EP3720715A1 (en) | 2020-10-14 |
EP3720715B1 EP3720715B1 (en) | 2023-10-04 |
Family
ID=64661356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18815633.5A Active EP3720715B1 (en) | 2017-12-08 | 2018-12-05 | Machine for processing a tabular substrate with a movable vacuum table |
Country Status (3)
Country | Link |
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EP (1) | EP3720715B1 (en) |
DE (1) | DE102017222254B4 (en) |
WO (1) | WO2019110661A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113352734A (en) * | 2021-06-02 | 2021-09-07 | 广东捷骏电子科技有限公司 | Hole plugging printing device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019124670A1 (en) * | 2019-09-13 | 2021-03-18 | Jochen Schindel | Pressure arrangement |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2833570C2 (en) * | 1978-07-31 | 1980-08-14 | Jagenberg-Werke Ag, 4000 Duesseldorf | Suction braking device |
DE29607898U1 (en) | 1996-04-27 | 1996-10-02 | Fuchs, Annette, Dr.-Ing., 63571 Gelnhausen | Suction table for offset printing |
US6422548B1 (en) | 2000-08-14 | 2002-07-23 | M&R Printing Equipment, Inc. | Adjustable zoned vacuum bed |
DE102006012895A1 (en) | 2006-03-13 | 2007-09-20 | J. Schmalz Gmbh | Device for suctioning workpieces comprises a slide which changes the cross-section of suction openings |
JP5349202B2 (en) * | 2009-08-24 | 2013-11-20 | 富士フイルム株式会社 | Inkjet recording apparatus and inkjet recording method |
DE102009048928A1 (en) * | 2009-10-10 | 2011-04-14 | Steinemann Technology Ag | Inkjet printer for printing on sheet-shaped substrate, has printing unit transport device including conveyor belt with drive device that impresses speed to belt, where printing sheet or substrate is provided with certain distance to belt |
JP5842430B2 (en) * | 2011-07-22 | 2016-01-13 | 富士ゼロックス株式会社 | Medium supply apparatus and image forming apparatus |
JP5870542B2 (en) * | 2011-08-23 | 2016-03-01 | セイコーエプソン株式会社 | Printing apparatus and recording paper transport mechanism |
JP6136392B2 (en) * | 2013-03-13 | 2017-05-31 | セイコーエプソン株式会社 | Platen apparatus and printing apparatus provided with the same |
DE102014224833A1 (en) | 2014-12-04 | 2016-06-09 | Heidelberger Druckmaschinen Ag | suction |
DE102015221822A1 (en) * | 2014-12-11 | 2016-06-16 | Heidelberger Druckmaschinen Ag | Device for holding sheets by means of suction air |
DE102016106706A1 (en) * | 2016-04-12 | 2017-10-12 | Laser Imaging Systems Gmbh | Device for fixing objects by means of vacuum |
-
2017
- 2017-12-08 DE DE102017222254.9A patent/DE102017222254B4/en active Active
-
2018
- 2018-12-05 WO PCT/EP2018/083650 patent/WO2019110661A1/en unknown
- 2018-12-05 EP EP18815633.5A patent/EP3720715B1/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113352734A (en) * | 2021-06-02 | 2021-09-07 | 广东捷骏电子科技有限公司 | Hole plugging printing device |
CN113352734B (en) * | 2021-06-02 | 2022-05-31 | 广东捷骏电子科技有限公司 | Hole plugging printing device |
Also Published As
Publication number | Publication date |
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DE102017222254A1 (en) | 2019-06-13 |
EP3720715B1 (en) | 2023-10-04 |
DE102017222254B4 (en) | 2023-06-07 |
WO2019110661A1 (en) | 2019-06-13 |
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