EP1415804A1 - Bogentransporttrommel eier Bedruckstoffboge verarbeitenden Maschine - Google Patents
Bogentransporttrommel eier Bedruckstoffboge verarbeitenden Maschine Download PDFInfo
- Publication number
- EP1415804A1 EP1415804A1 EP03022832A EP03022832A EP1415804A1 EP 1415804 A1 EP1415804 A1 EP 1415804A1 EP 03022832 A EP03022832 A EP 03022832A EP 03022832 A EP03022832 A EP 03022832A EP 1415804 A1 EP1415804 A1 EP 1415804A1
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- EP
- European Patent Office
- Prior art keywords
- sheet
- sheet transport
- transport drum
- air control
- air
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- 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.)
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- 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
- B41F21/10—Combinations of transfer drums and grippers
- B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
- B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means
Definitions
- the present invention relates to a sheet transport drum Printing sheet processing machine, with a sheet contact surface and Pneumatic grooves in the sheet support surface, according to the preamble of claim 1.
- Such a sheet transport drum is described in DE 37 10 341 A1, in which the pneumatic grooves are arranged arrow-shaped and form apexes.
- the pneumatic grooves are arranged arrow-shaped and form apexes.
- Suction air can be acted upon.
- the vertices and thus also the air sockets are arranged within an area of the sheet support surface by a minimal Sheet format can be covered. This type of arrangement makes conversion actions avoided when changing the sheet format and is an exact support of the Printing material sheets of all sheet formats on the sheet support surface ensured that can be processed in a sheet printing machine comprising the sheet transport drum.
- a disadvantage of this with regard to the present invention is the closest State of the art sheet transport drum is that the latter for a Use as a so-called storage drum in a turning device for turning the Media sheets are completely unsuitable.
- a storage drum are namely technical requirements for sheet format changes are imperative to the Position of the trailing edge of the sheet lying on the storage drum when turning Printing material sheet depending on its respective sheet format length at Setting up the turning device (sheet format change) relative to a gripper system one that removes the substrate from the storage drum when turning To be able to adjust the turning drum. Only with such a sheet format change can it be ensured that the gripper system when turning the respective Substrate sheet grips the sheet trailing edge exactly and not on this Reaches past the rear edge of the sheet.
- the invention has for its object one for use as Storage drum with a suitable sheet transport drum in a turning device To create pneumatic grooves in the sheet support surface.
- the segment teeth of the first comb segment or only that Segment teeth of the second comb segment should be provided with the pneumatic grooves.
- the segment teeth of the first comb segment are preferably with some and the segment teeth of the second comb segment with the rest of the pneumatic grooves Mistake.
- the pneumatic grooves are under an overpressure and / or underpressure standing air (blowing and / or suction air) and as one Bottom surface provided elongated holes which are substantially perpendicular to an axis of rotation of the sheet transport drum and in the circumferential direction Stretch the sheet transport drum lengthways.
- the pneumatic grooves can only be connected to one Blown air or pressure generator (e.g.
- the so segmented sheet transport drum is for its use as a sheet format length variable Storage drum of a sheet turning device but also for other ones Sheet format length adjustment and at the same time the presence of the pneumatic grooves on the printing material sheets guided on the sheet transport drum are directed, assuming intended uses are ideally suited.
- the sheet transport drum according to the invention also as a so-called delivery drum Use the sheet arm.
- the last-mentioned pneumatic grooves can only partially introduced into the segment tines and thus over the segment tines out into a possibly unpinked area of the first comb segment extend into it.
- first comb segment applies to the second Comb segment:
- second Comb segment Each of those inserted into the segment teeth of the second comb segment Pneumatic grooves can either only be within the pronged area of the second Comb segment or extend beyond the marked area.
- each of the pneumatic grooves as a suction and Throttle groove formed, which with the respective substrate sheet suction vacuum can be applied and which is profiled such that the vacuum even if the suction and throttle groove is not completely covered by the respective one Printing material sheet at least in one for sucking the printing material sheet remains sufficient.
- the pneumatic grooves are thus minimized negative effects of a false air flow, which is inside the arch-free and thus open to the environment Groove length section inevitably penetrates the respective pneumatic groove.
- the Throttling effect ensures that the false air flow is the suction force of the throttle groove and thus the sheet adhesive force is not functionally impaired significantly or only insignificantly reduced.
- shut-off valve or a plurality of shut-off valves can also be used for separating everything outside the respective format width of the substrate sheet lying and therefore completely uncovered pneumatic grooves from the vacuum source be provided.
- a Format width adjustment are made, d. H. it will be for the different Sheet format widths required number of pneumatic grooves are activated and the other pneumatic grooves deactivated, so that no false air flows in through the latter can.
- the rotary valve controls the rotary valve a periodic application of suction air or a periodic application of blown air to the Pneumatic grooves or a periodic exposure to air of the pneumatic grooves at which the suction air and the blowing air in the continuous Change takes place with each other.
- the latter switched on by the rotary valve as soon as the sheet transport drum in the course of their Revolution has reached a certain angle of rotation position, and only then again switched off as soon as the sheet transport drum changed in the course of the rotation Has reached the angle of rotation position.
- the rotary valve can be a first control groove, the one Includes angular range in which the substrate sheet the pneumatic grooves completely covers, and a second control groove, which lies in an angular range in which do not completely cover the pneumatic grooves on the substrate sheet at all times.
- the rotary valve comprises a first valve part, a second Valve part and a third valve part and these three valve parts are in axial alignment as well as arranged in a sandwich construction.
- the geometric axis of rotation of the Rotary valve, with respect to which the three valve parts are arranged centrally, and those of entire sheet transport drum are thus one and the same.
- the preferably in Valve parts which are essentially disc-shaped are close together arranged so that with respect to the rotary valve, the first valve part and the third valve part are external valve parts and that between the first and the third valve part arranged, second valve part is an internal valve part.
- the other half of the coupling Pneumatic clutch can be formed by the third valve part.
- first valve part and the third valve part an air outlet and an air inlet of the Rotary valve and the second valve part forms an air passage of the rotary valve.
- which of the two valve-outer valve parts the air inlet and which forms the air outlet depends on the type of air supply controlled by the rotary valve and the Assignment of the valve outer valve parts to the sheet transport drum and to one Machine frame.
- the suction would be the Pneumatic grooves the third valve part the (suction) air inlet and the first valve part the Form (suction air) air outlet and would instead be the Pneumatic grooves the first valve part the (blown air) air inlet and the third valve part the Form (blown air) air outlet.
- the valve interior, second valve part forms independently of the Type of air supply to the pneumatic grooves the air outlet, the suction or Blows air from one into the other of the two valve outer valve parts.
- the third valve part is mounted such that the third valve part in the course of Sheet format change of the sheet transport drum inevitably relative to the second Valve part is rotated.
- the second and third valve parts are each rotatably connected to another of the two comb segments.
- the third Valve part is rotatably connected to that comb segment, which for the purpose of Sheet format change is rotated relative to the other comb segment.
- the third valve part and the comb segment rotatably connected to the latter are in the Sheet format change together relative to the second valve part and with the latter rotatably connected, other comb segment twisted.
- the second valve part is mounted such that it is at a every revolution of the comb segments in printing operation is inevitable is rotated relative to the first valve part together with the latter.
- the second valve part has a first Air control hole to which the pneumatic grooves of the first comb segment are connected and a second air control hole to which the pneumatic grooves of the second Comb segments are connected, and is the first air control hole relative to the second air control hole arranged offset from the center. Accordingly, each of the two Pneumatic consumers (row of pneumatic grooves of the first comb segment, Pneumatic groove row of the second comb segment) by another of the two Air control holes of the second valve part controlled cyclically.
- the first air control hole is in Circumferential direction of the rotary valve seen at a certain angle, the The vertex is the axis of rotation of the rotary valve, offset relative to the second Air control hole and arranged separately from the latter.
- An increase in air pressure (vacuum drop) in the pneumatic grooves of one comb segment and thus in this Pneumatic grooves connected air control hole due to an external fault conditioned air pressure rise in the pneumatic grooves of the other comb segment and thus in the air control hole connected to the last-mentioned pneumatic grooves will certainly be avoided.
- the Pneumatic grooves of the first comb segment leading in the direction of drum rotation the respective substrate sheet and at the same time an incomplete cover the pneumatic grooves of the trailing, second comb segment through this Substrate sheet the vacuum in the completely covered pneumatic grooves of the first Comb segment despite an incomplete coverage of the pneumatic grooves of the second comb segment caused the vacuum in the pneumatic grooves of the second comb segment can be maintained without problems.
- the two air control holes essentially have one and the same radial distance relative to the axis of rotation of the rotary valve. Accordingly, the two air control holes essentially on one and the same imaginary arc, whose center is the axis of rotation of the rotary valve. This will make the radial Dimensions of the rotary valve in contrast to a conceivable alternative training, at which the air control holes are on different, concentric arcs, small held.
- the first valve part has at least one air control groove, which both first air control hole and the second air control hole is cooperatively assigned, so that the two air holes overlap with each other with each drum rotation the air tax groove.
- the air control groove accordingly works with the first Air control hole together when it first faces this and the second air control hole together when subsequently facing the latter is.
- Each of the air control holes forms together with the Air control groove one of the controlled air (blowing or preferably suction air) flow channel, through which the controlled air either from the respective air control hole in the air control groove or from the latter into the respective Air control hole overflows as long as the counter layer exists.
- controlled air blowing or preferably suction air
- the sheet transport drum advantageous development has the second valve part at least a third air control hole, which is arranged such that the third Air control hole on a different imaginary arc than the other two Air control holes are in and with every turn of the drum with the air control groove Overlap.
- the third air control hole is either radially inward or preferably further out than the first and second air control holes arranged and extends the air control groove in the radial direction of the rotary valve so far, that the air control groove both the (preferably internal) imaginary arc, on which the first and the second air control groove about the axis of rotation of the rotary valve circulate, as well as the (preferably external) imaginary arc which the third air control hole revolves around the axis of rotation.
- the air tax groove thus cooperates one after the other in the course of each revolution of the second valve part once with the three air control holes.
- the third air control hole is both relative to that first air control hole as well as relative to the second air control hole in the circumferential direction the rotary valve is offset, d. H. offset, arranged.
- the first air control hole as one to that first valve part and through hole open to the third valve part formed and is both the second air control hole and the third air control hole as each formed an angle or angled hole. Accordingly, that permeates Through hole the second valve part such that the through hole in both the first valve part facing flat surface of the second valve part as well as in the third valve part facing flat surface each has an opening.
- Each of the two An opening in the one facing the first valve part has angular or oblique holes Flat surface and another mouth in the peripheral surface of the second valve part, however no mouth in the flat surface facing the third valve part.
- Each of the two Angled or angled holes can be designed as an angled hole from two in one preferably right angles intersecting bores, namely one relative to Rotary valve essentially oriented axially parallel (so-called axial bore) and a bore that is essentially radially oriented relative to the rotary valve (so-called radial bore).
- the so-called axial bore opens into however, the flat surface of the middle, second valve part facing the first valve part not in the plane surface facing the third valve part and opens the so-called Radial bore in the peripheral surface of the second valve part.
- the respective Angular or sloping hole in its training as a sloping hole relative to the axis of rotation of the Rotary valve run obliquely, the oblique hole with one end in the the first valve part facing flat surface of the second valve part and with his other end opens into the peripheral surface of the second valve part.
- each transported substrate sheet A further development is at the third air control hole, the trailing edge of the arc on each Suction-air nozzle row that fixes the printing substrate sheet on the sheet support connected.
- the activation of the suction air this also as a so-called Arc trailing edge suction devices designated suction air nozzle row via the third air control hole can be staggered from the first and second air control holes Activation of the suction of the pneumatic grooves takes place.
- the pneumatic grooves an adjustable pneumatic coupling depending on the sheet format is connected has two coupling halves.
- the pneumatic grooves of the first Comb segment over the first air manifold to a first of the coupling halves and the pneumatic grooves of the second comb segment via the second air manifold a second of the coupling halves can be connected.
- the first air manifold and the first Coupling half relative to the second comb segment, to the second air manifold and to the second coupling half by a certain angle, which results from the correcting sheet format length difference results, rotated or pivots. While this pivoting movement, the first air manifold maintains its position relative to that first comb segment and the first coupling half unchanged and becomes the first Air manifold also not deformed.
- the adjustment of the first comb segment relative to the second comb segment is due to the relative movement between the two Coupling halves balanced.
- the first air manifold can thus be rigid (inflexible) be and need not be a hose, the flexibility of which also means the adjustment would enable.
- each of the two Coupling halves is rotatably connected to another of the two comb segments, so that when setting up the sheet transport drum to a new sheet format length with the first comb segment rotatably connected coupling half inevitably together with the first comb segment relative to that with the stationary second one Comb segment rotatably connected coupling half is rotated.
- the Twisting of one coupling half becomes the first, brought into the latter Coupling chamber, which is preferably designed as an arcuate groove, relative to a second clutch chamber from the previous sheet format length corresponding coupling position to the new sheet format length Coupling position swiveled.
- the second clutch chamber is already with that mentioned first air control hole identical.
- the position of the first is in printing mode Comb segment fixed relative to the second comb segment and is therefore also the location of the with the first comb segment rotatably connected coupling half relative to the other coupling half fixed.
- Coupling halves advantageous development is just this coupling half an integral part of the pneumatic grooves depending on during the Rotation of the sheet transport drum from the rotational angle positions assumed by the latter intermittent air-actuating rotary valve.
- the part of the rotary valve forming coupling half is preferably the one with the second comb segment rotatably connected coupling half, which is at a standstill during the sheet format change located.
- valve parts are preferably three pieces and the middle one three valve parts with the integral part of the rotary valve Coupling half identical.
- the area of the invention also includes one that processes the printing material sheet Machine which u. a. with the features essential to the invention and their possible further developments of the sheet transport drum described above, the following for better differentiation as a second sheet transport drum referred to as.
- the machine that processes the printing material sheets includes a first one Sheet transport drum and the second one (previously described) Sheet transport drum, the second sheet transport drum being the first Sheet transport drum in a sheet transport direction of the machine immediately is subordinate and the first sheet transport drum as it rotates Gripper flight circle describing gripper systems and one essentially of a circular shape deviating drum profile with between the gripper systems of the gripper flight circle has withdrawn outer contour lines and the second Sheet transport drum from the first comb segment with its segment teeth and the second comb segment with its segment teeth Has sheet contact surface and the pneumatic grooves in the segment tines at least one of the comb segments are introduced.
- Each of the gripper systems of the first sheet transport drum can be called a so-called Gripper bridge can be formed, which arranged in a row clamp grippers Clamp the one to be held on the first sheet transport drum Has substrate sheet. If the first sheet transport drum rotates, then the gripper systems move along a trajectory called the Gripper flight circle is called. That in the direction of an axis of rotation of the first Sheet transport drum drum profile of the first sheet transport drum deviates significantly from the circular shape that z. B. the cross section of a with gripper systems has occupied impression cylinder. The main deviation of the drum profile the first sheet transport drum of the circular shape is by the mentioned Outside contour lines of the drum profile determined. Each of the outer contour lines essentially extends from one to the other accordingly Gripper systems.
- the first sheet transport drum can be three to each other by one Have gripper systems offset at 120 ° so that the drum profile in the Has essentially the shape of an equilateral triangle, the sides of which said Outer contour lines are.
- the drum profile is substantially oval or rhombic
- the first Sheet transport drum has only two gripper systems, which are at an angle of 180 ° are offset and thus arranged diametrically opposite one another.
- Each of the The outer contour lines of this drum profile are essentially convex and fall to everyone of the two gripper systems at an angle.
- the first sheet transport drum is a so-called skeleton drum or preferably act as a so-called vane surface drum.
- the gripper systems are carried by support arms, which arranged along a drum axis in a row at a large distance from each other are. Because of the drum axis, the support arms and the gripper systems The skeleton drum is capable of limited openings or windows in the drum side surfaces typically no pneumatic effect on the one it transports Exercise substrate sheets.
- the blade surface drum exercises a pneumatic one Effect on the sheet of substrate she transported, what effect that one Rotary piston is similar.
- the outer contour lines are closed or at least substantially closed side surfaces of the first sheet transport drum formed which when rotating the first sheet transport drum as air blades act pneumatically and thereby from the first sheet transport drum transported backing sheet of supporting air or such a back effective air cushion.
- the side surfaces extend closed or at least substantially closed along the outer contour lines of the one to the other gripper system and in the axial direction of the first sheet transport drum from one end of the drum to the other. They are preferably the Side contours or air scoops defining the outer contour lines on one Sheet guide plates attached to the drum core.
- the machine that processes the printing material sheets can, in addition to the first and the second Sheet transport drum still include a third sheet transport drum, that of the second Sheet transport drum is immediately downstream in the sheet transport direction and together with the second sheet transport drum, a turning device for turning the substrate sheet forms.
- the second sheet transport drum can in turn immediately after the first sheet transport drum.
- the machine that processes the printing material sheets is preferably one Sheet printing machine with printing units arranged in a row, in which the first sheet transport drum and the second sheet transport drum between Back pressure cylinders of the printing units are arranged.
- Each of the printing units can be one Offset printing unit or a z. B. be used for painting flexographic printing unit.
- FIG. 1 shows a sheet-fed printing machine 1 with a first printing unit 2, the first printing unit 2 in the sheet transport direction subsequent second printing unit 3 and one between the two printing units 2, 3 arranged turning device 4 for turning the printing material sheets to be printed shown.
- Each of the two printing units 2, 3 comprises the offset printing principle corresponding to a printing form cylinder 5, a blanket cylinder 6 and one Impression cylinder 7.
- the turning device 4 comprises a first sheet transport drum 8, which the impression cylinder 7 of the first printing unit 2 in the sheet transport direction immediately follows, a second sheet transport drum 9 and a third Sheet transport drum 10.
- the first sheet transport drum 8 has for holding the Printed material sheets provided and diametrically arranged gripper systems 61, 62, the a gripper flight circle 11 during the rotation of the first sheet transport drum 8 describe, whose imaginary diameter is essentially the same size as that Outside diameter of the second sheet transport drum 9 and essentially twice is as large as the outside diameter of the printing form cylinder 5.
- the cross-sectional outer contour the first sheet transport drum 8 differs significantly from the circular shape and extends from one to the other gripper system Outer contour areas 63, 64, which from the gripper flight circle 11 in the direction of Drum center are arranged withdrawn so that within the Gripper flight circle 11 clearances 48, 49 lying above the outer contour areas available.
- the free spaces 48, 49 make it possible due to the rigidity of the Sheet material (cardboard sheets) protruding from the sheet transport drum Trailing edge of the respective printing material sheet in that of the second Sheet transport drum 9 in a state already gripped on the leading edge of the sheet of the open spaces 48, 49 to protrude or to immerse.
- the above Outer contour areas and free spaces 48, 49 and cylinder channels not occupied by the gripper system are decisive for the significant deviation of the cross-sectional outer contour from the circular shape.
- the cross-sectional outer contour of the first sheet transport drum 8 is in Essentially oval or rhombic.
- first sheet transport drum 8 In contrast to the first sheet transport drum 8 has the second sheet transport drum 9, which between the first Sheet transport drum 8 and the third sheet transport drum 10 is arranged, a essentially circular cross-sectional outer contour.
- the turning device 4 is from a first operating mode intended for pure straight printing to one for the Fine and reprinting provided, second mode of operation, illustrated in Figure 1 is, and again selectively switchable back to the first operating mode.
- the third sheet transport drum 10 has a single gripper system, the Gripper flight circle essentially the same size as the outside diameter of the Printing form cylinder 5 and by means of which the third sheet transport drum 10 each Printing material sheet 60 in the first operating mode on the front edge of the sheet and in the second Operating mode detected on the trailing edge of the sheet.
- the Turning device 4 the printing material sheets in the first operating mode unturned and in second operating mode applied to the second printing unit 3 and print the two Printing units 2, 3 in the first operating mode on one and the same sheet side and in the second Operating mode on different sheet sides of each of the to be printed Bezzostoffbögen.
- FIG. 2 and 3 is the subdivision of the second sheet transport drum 9 into one first drum half 12 and a second drum half 13 can be seen.
- the first Drum half 12 comprises a first comb segment 14, a second comb segment 15 as well as for clamping the printing material sheets on their sheet leading edges Gripper systems 16, 17, each of which is a different one of the two comb segments 14, 15 is arranged immediately in advance.
- the second drum half 13 comprises a third Comb segment 18, a fourth comb segment 19 and for sucking in Printing material sheets close to the suction nozzle rows provided at the rear edges of the sheets (so-called trailing edge vacuum) 20, 21, each of which is a different one of the two Comb segments 18, 19 are arranged immediately following.
- the first comb segment 14 forms a first sheet support surface 22 together with the third comb segment 18 and the second comb segment 15 forms, together with the fourth comb segment 19 second sheet support surface 23.
- the two for laying the printing material sheets during their transport by means of the second sheet transport drum 9 from the first Sheet transport drum 8 provided for the third sheet transport drum 10 Sheet support surfaces 22, 23 are arranged diametrically and are explained below The manner in which the format is variable in length.
- the first comb segment 14 and the third comb segment 18 are at their mutually facing segment edges provided with segment tines 24, 25, which in between the segment tines of each other tine spaces 26, 27 lying between the two comb segments 14, 18 intervention.
- the trailing segment contour of the second comb segment 15 is exactly the same and the leading segment contour of the fourth comb segment 19 is zinc-coated, so that these two segment contours also mesh with each other.
- print order-specific adaptation of the second sheet transport drum 9 to from Print job to print job is different sheet format lengths of the substrate sheets the first drum half 12 relative to the second drum half 13 about an axis of rotation 28 pivoted around.
- the sheet support surfaces 22, 23 and between the gripper system 16 and the suction nozzle row 20 and between the Gripper system 17 and the suction nozzle row 21 existing, equally large distances the first drum half 12 towards the second drum half 13, i. H. with respect to Figure 2 in Clockwise, rotated.
- the Segment tines 24, 25 of each of the four comb segments 14, 15, 18, 19 are on the outside with intermittent vacuum or pneumatic grooves 29, 30 for suction the printing material sheets provided, as is the example of the first comb segment 14 and of the third comb segment 18 is shown in Figure 3. It is the suction grooves 29, 30 around elongated notches or slots and thus not around circular suction bores. Due to the identical design of the first comb segment 14 and second comb segment 15 and the mutually identical formation of the third comb segment 18 and the fourth comb segment 19 apply the following on Example of the comb segments 14, 18 detailed description of the suction grooves 29, 30 in figuratively also for the other two comb segments 15, 19 with.
- each of the suction grooves 29, 30 each introduced one of the suction grooves 29, 30 approximately in the center.
- the Suction grooves 29, 30 run parallel to one another and along the segment tines 24, 25 and thus in the drum circumferential direction.
- Each of the suction grooves 24, 25 essentially has one U-shaped groove cross-section inner contour, which is pneumatically open on the drum circumference, d. H. is permeable to air.
- Each of the suction grooves 29, 30 is in its illustrated configuration open without protection and could instead also through one above the respective suction groove arranged pinhole or an equally arranged protective cover from one breathable material, e.g. B. a textile (tissue), fibrous (fleece) or sieve-like (gauze) material.
- Such a protective cover can be considered a Filters act and penetration, for example, from the substrate sheets Prevent contaminants (paper dust) into the suction groove and only that Allow filtered suction air to enter.
- the materials mentioned could also with respect to causing or reinforcing a throttling effect of the suction grooves 29, 30 be used.
- An insert acting as a dust filter and / or throttle could also be used in the respective suction groove 29, 30 may be used.
- At least the suction grooves 30 of the two Printing operation in the drum direction of rotation following comb segments 18, 19, however, preferably the suction grooves 29, 30 of all four comb segments 14, 15, 18, 19 are geometrically such that these suction grooves - z. B.
- Each one of the suction air throttling suction grooves (throttle grooves) 29, 30 thus acts as follows: Not only in In the case of complete but also in the case of only incomplete coverage of the Drum circumference groove opening of the corresponding suction groove through the Printing material sheet, which on the segment prongs having said suction groove The vacuum in the suction groove remains above this suction groove (Vacuum) received. The free and partial coverage of the substrate sheet That section of the groove opening that is open to the environment can therefore advantageously not Cause breakdown of the vacuum in the suction groove. In case that none of the suction grooves 29, 30 at all, d. H.
- the second includes Sheet transport drum 8 a first (31), a second (32), a third (33), a fourth (34), a fifth (35) and a sixth (36) suction air manifold.
- a suction air connection 37, 38 close to its leading groove end which of the suction air vacuum (vacuum) prevailing in the respective suction groove 29, 30 is applied to this suction groove 29, 30.
- suction air connections 37 of all suction grooves 29 of the first comb segment 14 branch from the common, first suction air manifold 31 and the suction air connections 38 of all suction grooves 30 of the third comb segment 18 branch off from the common, third suction air collecting line 33.
- Functional corresponds to the first suction air manifold 31, the second suction air manifold 32 des second comb segment 15 and the third suction air manifold 33, the fourth suction air manifold 34 of the fourth comb segment 19.
- the suction nozzle row 20 of the third comb segment 18 is pneumatically connected and to the sixth suction air collecting line 36 is the suction nozzle row 21 of the fourth Comb segment 19 pneumatically connected.
- Each of the suction air manifolds 31 to 36 is constructed in several pieces and comprises a line section, parallel to the drum, of which the respective suction air consumers (suction nozzle rows 20, 21 or Branch suction air connections 37, 38), and a substantially radially oriented Line piece, which extends to a rotary valve 40, in the form of a hose or pipe.
- the rotary valve 40 is in axial alignment with the second Sheet transport drum 9 arranged and constructed in three parts in sandwich construction, as best seen in Figure 4.
- the rotary valve 40 comprises one on one Machine frame (side wall) 39 rotatably attached first valve part 41, one with the second sheet transport drum 9, non-rotatably connected, third valve part 43 and a inserted between the two valve parts 41, 43 already mentioned, second valve part 42.
- a vacuum source 65 is connected to the first valve part 41, which Pneumatic grooves 29, 30 and suction nozzle rows 20, 21 acted upon by the vacuum.
- the three annular parts 41 to 43 each extend Axle journal 50 of the second sheet transport drum 9, which by means of a Rolling bearing is rotatably mounted in the machine frame 39.
- the two on the second Sheet transport drum 9 attached, movable valve parts 42 and 43 are assigned to different drum halves 12, 13.
- the second valve part 42 is on the second drum half 13 rotatably attached and the third valve part 43 is on the first Half of the drum 12 attached in a rotationally fixed manner.
- the first opens into the first coupling chamber 44 Suction air manifold 31 and the second coupling chamber 46 opens the second Suction air manifold 32.
- the clutch chambers 44, 46 are diametrical, i. H. offset from one another by 180 °, introduced into the third valve part 43 and at the third valve part 43 adjacent, second valve part 42 open. In each of the previous ones mentioned coupling positions are the through holes 45, 47 in Cover with the clutch chambers 44, 46 so that the suction air from the Coupling chambers 44, 46 can flow into the through holes 45, 47.
- the second Valve part 42 and third valve part 43 thus together form one of the stepless ones Sheet format length adjustment accordingly infinitely adjustable angle of rotation Pneumatic clutch, which is integrated in the rotary valve 40.
- the through holes 45, 47 that function as air control holes and together form a first pair of holes are additionally a first air control hole 51 and a second Air control hole 52, which together form a second pair of holes, and one of a third Air control hole 53 and a fourth air control hole 54 existing third hole pair in the introduced second valve part 42.
- the two holes of each of the pairs of holes are around offset from each other by an angle of 180 ° and thus diametrically opposite one another arranged opposite each other.
- the three pairs of holes are at certain central angles staggered.
- the four holes 45, 47, 51, 52 are on one and the same, first hole-circle arranged one behind the other, the closer to the center than a second hole-circle lies on which the other two holes 53, 54 are arranged one behind the other.
- the hole trajectories are imaginary, concentric trajectories along which the holes 45, 47, 51 to 54 move during the rotation of the second valve part 42.
- Each of the air control holes 51 to 54 consists of a blind hole and one in the latter laterally opening transverse bore and is in the direction of the third valve part 43 closed.
- the transverse bores are in the radial directions of the second valve part 42 oriented, open into its peripheral surface and serve to connect the suction air manifolds 33 to 36.
- Each of the suction air manifolds 33, 34 is on a different one of the air control holes 51, 52 and each of the suction air manifolds 35, 36 to another the air control holes 53, 54 connected.
- first air control groove 55 In the first valve part 41 are a first air control groove 55, a second air control groove 56, the is shorter in the circumferential direction than the first air control groove 55, a first ventilation opening 57 and a second vent 58 which is radially longer than the first Vent opening 57 is introduced.
- the first air control groove 55 has a first groove end, which only extends over the inner, first hole flight circle, and a opposite, second groove end, which is only over the outer, second hole flight circle extends, and is thus radially tapered at both ends.
- the first points Air control groove 55 has a groove middle section lying between its groove ends, which overlaps both the first and the second hole flight circle extends radially.
- the second air control groove 56 has a second groove end of the first Air control groove 55 facing groove end, which is also radially tapered and only extends over the first hole flight circle closer to the axis of rotation 28, and a groove section adjoining the last-mentioned groove end, which extends over extends over both hole circles. Is located between the air control grooves 55, 56 thus a web 59 which extends over both hole flight circles and which is so narrow is held that the second groove end of the first air control groove 55 and this Overlap the second groove end facing the groove end of the second air control groove 56 a little.
- the first vent opening 57 extends only over the radial direction outer, second hole flight circle, d. H.
- the second Vent 58 is between the second air control groove 56 and the first groove end the first air control groove 55 and extends over both hole flight circles time.
- the four inner parts arrive Holes 45, 47, 51, 52, however, successively with the second air control groove 56 inclusive of its tapered groove end, with the first air control groove 55 including its first Grooved and overlapping with the second vent opening 58 or periodic Cooperation for the purpose of air transfer.
- the second sheet transport drum 9 and its rotary valve 40 are in one Shown rotary position, in which the transfer of the printing material sheet 60 from the first sheet transport drum 8 is imminent by means of the gripper system 16.
- this rotational angle position is neither the first through hole 45 nor the second air control hole 52 and also not the third air control hole 53 in register with any one of the two air control grooves 55, 56.
- the Vacuum source 65 generated and applied to the rotary valve 40 vacuum neither the suction grooves 29 of the leading, first comb segment 14, the suction grooves 30 of the trailing, third comb segment 18 and also not reach the suction nozzle row 21.
- the second air control groove 56 is exactly between the first through hole 45 and the fourth air control hole 54 fits.
- a Reaching this rotational position via the second air control groove 56 and the fourth Air control hole 54 in the sixth suction air manifold 36 creates vacuum, which abuts on the suction nozzle row 21, although the connection of the Suction nozzle row 21 with the vacuum source is briefly interrupted.
- the Maintenance of the vacuum is ensured because the fourth air control hole 54 is located is located above the web 59 and is sealed or kept closed by the latter.
- the second through hole 47 and the first air control hole 51 are located thereon At the same time in a cooperative comparison with the first air control groove 55, so that via the latter, the vacuum in both the pneumatic and suction grooves of the second Comb segment 15 and in the pneumatic or suction grooves of the fourth Comb segment 19 abuts.
- the second sheet transport drum 9 is in its for the maximum Sheet format length suitable setting in which the two comb segments 14, 15 and also the two comb segments 15, 19 pulled apart as far as possible are shown.
- FIG. 5b shows the second sheet transport drum 9 including its second one Valve part 42 in a changed by a few angular degrees compared to Figure 5a Shown rotational position, in which the gripper system 16 in an arc transfer point and the transfer of the printing material sheet 60 from the gripper system 61 of the first Sheet transport drum 8 into the gripper system 16 of the second sheet transport drum 9 he follows.
- the first through hole 45 is in this changed rotational position already in the second air control groove 56 at the beginning and are located Holes 52, 53 still outside the air control grooves 55, 56.
- the rotational position according to FIG. 5b only differs from that according to FIG. 5a in that not only holes 47, 51 but now also the fourth air control hole 54 over the first Air control groove 55 is connected to the vacuum source. Accordingly, it is due to the Suction nozzle row 21 not in the rotary position according to FIG. 5b (as in the rotary position according to FIG. 5a) an only passively maintained but instead an actively generated one Vacuum on.
- FIG. 5c shows an angle of rotation position in which the first Through hole 45 has already reached the end of the second air control groove 56, has not yet left the latter, however, and that on its leading edge in the Gripper system 16 held substrate sheet 60, the suction grooves 29 in their already past the sheet transfer point of the sheet transport drums 8, 9 However, the suction groove section has not yet reached the point in front of the sheet transfer point remaining suction groove section covered. In the one that ran past the sheet transfer point Suction groove section is under vacuum, which is sufficiently large around the To hold substrate sheet 60 in close contact with the first comb segment 14. Out FIG.
- 5c also shows that the trailing edge of the printing material sheet 60 immersed under the gripper flight circle 11 of the first sheet transport drum 8 and that the Holes 52, 53 have not yet reached the second air control groove 56, so that the suction grooves 30 and the suction nozzle row 20 are still separated from the vacuum in the first valve part 41 and are therefore inactive.
- the second comb segment 15 has the third Sheet transport drum 10 already happens and there is a venting of the suction grooves second comb segment 15, by these suction grooves via the second vent opening 58 and the one that overlaps with the second ventilation opening 58, second through hole 47 are short-circuited with the surroundings, so that the Vacuum breaks down in the latter suction grooves. Meanwhile the holes 51, 54 still face the first air control groove 55.
- the onset of evacuation can also no vacuum disturbances in the Suction air consumers of the second sheet support surface 23 cause because of the holes 51, 54 at the said time, not in a juxtaposition or air-conducting connection with the second air control groove 56, via which the evacuation takes place, but instead in Opposite the first air control groove 55.
- Corresponding in FIG. 5d Angular position are the first through hole 45 and the attached Suction grooves 30 are briefly separated from the vacuum source 65, but the first one Through hole 45 on its side facing the first valve part 41 from the web 59 of the first valve part 41 is kept tightly closed, so that within the short Time period of the prevailing from the suction grooves 30 to the first through hole 45 Vacuum is kept stable.
- the second air control groove 56 fits between the first through hole 45 and the second air control hole 52.
- the rotational angle position according to FIG. 5d is followed by the rotational angle position according to FIG. 5e, in which the first through hole 45 has left the area of the web 59 and has entered the area of the first air control groove 55 and also the second one Air control hole 52 has already entered the area of the second air control groove 56.
- the last-mentioned angle of rotation position is thus each of the holes 45, 52 with a other of the control grooves 55, 56 in a cooperative overlap, so that the suction grooves 29 of the first comb segment 14 via a different air control hole / air control groove pair than that Suction grooves of the third comb segment 18 are connected to the vacuum source 65.
- the second one comes from the angle of rotation position described last Sheet transport drum 9 and the second valve part 42 into one corresponding to FIG. 5f Angle of rotation position in which the second air control hole 52 coincides with the tapered groove end of the second air control groove 56 is located.
- Angle of rotation position in which the second air control hole 52 coincides with the tapered groove end of the second air control groove 56 is located.
- this angular position are only those at the common sheet transfer point of the sheet transport drums 8, 9 Front suction groove sections of the suction grooves 30 that have already run past tightly fitting printing material sheets 60 covered and are on this Sheet transfer point not yet passed, rear suction groove sections of the Suction grooves 30 from the substrate sheet 60, the trailing edge of the sheet from the second Sheet transport drum 9 protrudes, still uncovered, so that in the rear Suction groove sections can flow in false air.
- the third sheet transport drum 10 engages with it Gripper system (not shown) the trailing edge of the sheet on the second sheet support surface 23 overlying sheet of printing material. Shortly before or during that The leading edge of this sheet of printing material is released from the gripper system 17 and there is a venting or lifting of the vacuum application of the suction grooves of the fourth comb segment 19 because the first air control hole 51 in the area of the second Vent opening 58 occurs and thus the last-mentioned suction grooves with the Environment and the ambient air pressure prevailing in it become.
- the fourth air control hole 54 Between the time of entry of the first air control hole 51 in the area of second vent 58 is the fourth air control hole 54 between the first air control groove 55 and the first vent opening 57 and overlap with a web 66, which seals the fourth air control hole 54 and thereby the vacuum in the Passively maintain suction nozzle row 21 until the gripper system of the third Sheet transport drum 10 has securely gripped the trailing edge of the sheet.
- one of the rotational angle positions shown in FIG. 5f is the following Angular position shown, in which the third air control hole 53 immediately before its entry into the area of the second air control groove 56 and in which the second air control hole 52 between the air control grooves 55, 56 and in doing so second air control hole 52 covering web 59 is closed state. It can be seen from this that the length of the second air control groove 56 is dimensioned such that only one of the two air control holes 52, 53 is in an air-conducting connection the second air control groove 56 can be located.
- Air control hole 53 in cooperative overlap with the second air control groove 56 and holes 45, 52 are simultaneously in cooperative overlap with the first Air control groove 55 so that the suction grooves 29 of the first comb segment 14 and the Suction grooves 30 of the third comb segment 18 through different air control holes (first through hole 45, second air control hole 52), but over one and the same Air control groove, namely the first air control groove 55, are acted upon by the vacuum.
Landscapes
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
Description
- Figur 1
- eine Bogendruckmaschine mit einer Bogentransporttrommel in der Seitenansicht,
- Figur 2
- die Bogentransporttrommel aus Figur 1 in vergrößerter Darstellung, in der ein Drehventil erkennbar ist,
- Figur 3
- die Bogentransporttrommel aus Figur 2 in der Draufsicht, aus der Kammsegmente erkennbar sind,
- Figur 4
- das Drehventil aus Figur 2 in der Draufsicht, aus der die dreiteilige Ventilausbildung erkennbar ist und zeigen
- Figuren 5a bis 5h
- eine Abfolge verschiedener Drehstellungen der Bogentransporttrommel und des Drehventils aus Figur 2.
- 1
- Bogendruckmaschine
- 2
- erstes Druckwerk
- 3
- zweites Druckwerk
- 4
- Wendeeinrichtung
- 5
- Druckformzylinder
- 6
- Gummituchzylinder
- 7
- Gegendruckzylinder
- 8
- erste Bogentransporttrommel
- 9
- zweite Bogentransporttrommel
- 10
- dritte Bogentransporttrommel
- 11
- Greiferflugkreis
- 12
- erste Trommelhälfte
- 13
- zweite Trommelhälfte
- 14
- erstes Kammsegment
- 15
- zweites Kammsegment
- 16
- Greifersystem
- 17
- Greifersystem
- 18
- drittes Kammsegment
- 19
- viertes Kammsegment
- 20
- Saugdüsenreihe
- 21
- Saugdüsenreihe
- 22
- erste Bogenauflagefläche
- 23
- zweite Bogenauflagefläche
- 24
- Segmentzinken (des ersten Kammsegments 14)
- 25
- Segmentzinken (des dritten Kammsegments 18)
- 26
- Zinkenzwischenraum (des ersten Kammsegments 14)
- 27
- Zinkenzwischenraum (des dritten Kammsegments 18)
- 28
- Drehachse
- 29
- Pneumatik- bzw. Saugnut
- 30
- Pneumatik- bzw. Saugnut
- 31
- erste Saugluft-Sammelleitung
- 32
- zweite Saugluft-Sammelleitung
- 33
- dritte Saugluft-Sammelleitung
- 34
- vierte Saugluft-Sammelleitung
- 35
- fünfte Saugluft-Sammelleitung
- 36
- sechste Saugluft-Sammelleitung
- 37
- Saugluftanschluss
- 38
- Saugluftanschluss
- 39
- Maschinengestell
- 40
- Drehventil
- 41
- erstes Ventilteil
- 42
- zweites Ventilteil
- 43
- drittes Ventilteil
- 44
- erste Kupplungskammer
- 45
- erstes Durchgangsloch
- 46
- zweite Kupplungskammer
- 47
- zweites Durchgangsloch
- 48
- Freiraum
- 49
- Freiraum
- 50
- Achszapfen
- 51
- erstes Luftsteuerloch
- 52
- zweites Luftsteuerloch
- 53
- drittes Luftsteuerloch
- 54
- viertes Luftsteuerloch
- 55
- erste Luftsteuernut
- 56
- zweite Luftsteuernut
- 57
- erste Entlüftungsöffnung
- 58
- zweite Entlüftungsöffnung
- 59
- Steg (des ersten Ventilteils 41)
- 60
- Bedruckstoffbogen
- 61
- Greifersystem
- 62
- Greifersystem
- 63
- Konturbereich
- 64
- Konturbereich
- 65
- Vakuumquelle
- 66
- Steg
Claims (21)
- Bogentransporttrommel einer Bedruckstoffbogen verarbeitenden Maschine, mit mindestens einer Bogenauflagefläche (22) und Pneumatiknuten (29, 30) in der Bogenauflagefläche (22),
dadurch gekennzeichnet, dass die Bogenauflagefläche (22) aus einem ersten Kammsegment (14) mit Segmentzinken (24) und einem zweiten Kammsegment (18) mit Segmentzinken (25) zusammengesetzt ist und dass die Pneumatiknuten (29, 30) in die Segmentzinken (24, 25) zumindest eines der Kammsegmente (14, 18) eingebracht sind. - Bogentransporttrommel nach Anspruch 1,
dadurch gekennzeichnet, dass die Pneumatiknuten (29, 30) sowohl in die Segmentzinken (24) des ersten Kammsegments (14) als auch in die Segmentzinken (25) des zweiten Kammsegments (18) eingebracht sind. - Bogentransporttrommel nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass jede der Pneumatiknuten (29, 30) als eine Saug- und Drosselnut ausgebildet ist, welche mit einem den jeweiligen Bedruckstoffbogen (60) ansaugenden Vakuum beaufschlagbar ist und die derart profiliert ist, dass das Vakuum auch bei unvollständiger Abdeckung der Saug- und Drosselnut durch den jeweiligen Bedruckstoffbogen (60) zumindest in einem für das Ansaugen des Bedruckstoffbogens (60) hinreichendem Maße erhalten bleibt. - Bogentransporttrommel nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Pneumatiknuten (29, 30) an ein Drehventil (40) angeschlossen sind, welches die Pneumatiknuten (29, 30) in Abhängigkeit von während der Rotation der Bogentransporttrommel von letzterer eingenommenen Drehwinkelstellungen (Fig. 5a - 5h) taktweise mit Luft beaufschlagend ausgebildet ist. - Bogentransporttrommel nach Anspruch 4,
dadurch gekennzeichnet, dass das Drehventil (40) ein erstes Ventilteil (41), ein zweites Ventilteil (42) und ein drittes Ventilteil (43) umfasst und dass diese drei Ventilteile (41, 42, 43) in axialer Flucht liegend sowie in Sandwichbauweise aufeinander angeordnet sind. - Bogentransporttrommel nach Anspruch 5,
dadurch gekennzeichnet, dass das erste Ventilteil (41) und das dritte Ventilteil (43) einen Luftauslass und einen Lufteinlass des Drehventils (40) bilden und dass das zweite Ventilteil (42) einen Luftdurchlass des Drehventils (40) bildet. - Bogentransporttrommel nach Anspruch 5 oder 6,
dadurch gekennzeichnet, dass das dritte Ventilteil (43) bei einer Bogenformatumstellung der Bogentransporttrommel relativ zu dem zweiten Ventilteil (42) verdrehbar gelagert ist und dass das zweite Ventilteil (42) bei jeder Trommelumdrehung relativ zu dem ersten Ventilteil (41) verdrehbar gelagert ist. - Bogentransporttrommel nach einem der Ansprüche 5 bis 7,
dadurch gekennzeichnet, dass das zweite Ventilteil (42) ein erstes Luftsteuerloch (45) und ein zweites Luftsteuerloch (52) aufweist,
dass an das erste Luftsteuerloch (45) die Pneumatiknuten (29) des ersten Kammsegments (14) und an das zweite Luftsteuerloch (52) die Pneumatiknuten (30) des zweiten Kammsegments (18) angeschlossen sind und
dass das erste Luftsteuerloch (45) relativ zum zweiten Luftsteuerloch (52) zentriwinkelversetzt angeordnet ist. - Bogentransporttrommel nach Anspruch 8,
dadurch gekennzeichnet, dass die beiden Luftsteuerlöcher (45, 52) im Wesentlichen ein und denselben radialen Abstand relativ zu einer Drehachse (28) des Drehventils (40) aufweisen. - Bogentransporttrommel nach Anspruch 8 oder 9,
dadurch gekennzeichnet, dass das erste Ventilteil (41) mindestens eine Luftsteuernut (55 oder 56) aufweist, die sowohl dem ersten Luftsteuerloch (45) als auch dem zweiten Luftsteuerloch (52) kooperativ zugeordnet ist, so dass die beiden Luftsteuerlöcher (45, 52) bei jeder Trommelumdrehung nacheinander in Überdeckung mit der Luftsteuernut (55 oder 56) gelangen. - Bogentransporttrommel nach Anspruch 10,
dadurch gekennzeichnet, dass das zweite Ventilteil (42) mindestens ein drittes Luftsteuerloch (53) aufweist, welches derart angeordnet ist, dass das dritte Luftsteuerloch (53) auf einem anderen imaginären Kreisbogen als die anderen beiden Luftsteuerlöcher (45, 52) liegt und bei jeder Trommelumdrehung mit der Luftsteuernut (55 oder 56) in Überdeckung gelangt. - Bogentransporttrommel nach Anspruch 11,
dadurch gekennzeichnet, dass das erste Luftsteuerloch (45) als ein zu dem ersten Ventilteil (41) und zu dem dritten Ventilteil (43) hin offenes Durchgangsloch (45) ausgebildet ist und
dass das zweite Luftsteuerloch (52) und das dritte Luftsteuerloch (53) jeweils als ein Winkel- oder Schrägloch ausgebildet sind. - Bogentransporttrommel nach Anspruch 11 oder 12,
dadurch gekennzeichnet, dass an das dritte Luftsteuerloch (53) eine die Bogenhinterkante des jeweils auf der Bogenauflagefläche (22) aufliegenden Bedruckstoffbogens (60) fixierende Saugluftdüsenreihe (20) angeschlossen ist. - Bogentransporttrommel nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Pneumatiknuten (29, 30) an eine bogenformatabhängig einstellbar ausgebildete Pneumatikkupplung angeschlossen sind, die zwei Kupplungshälften (Ventilteile 42, 43) aufweist. - Bogentransporttrommel nach Anspruch 14,
dadurch gekennzeichnet, dass eine (43) der beiden Kupplungshälften relativ zu der anderen (42) in Abhängigkeit von verschiedenen Bogenformatlängen verdrehbar gelagert ist. - Bogentransporttrommel nach Anspruch 14 oder 15,
dadurch gekennzeichnet, dass eine (42) der beiden Kupplungshälften ein integrativer Bestandteil eines die Pneumatiknuten (29, 30) in Abhängigkeit von während der Rotation der Bogentransporttrommel von letzterer eingenommenen Drehwinkelstellungen (Fig. 5a bis 5h) taktweise mit Luft beaufschlagenden Drehventils (40) ist. - Bogentransporttrommel nach Anspruch 16,
dadurch gekennzeichnet, dass das Drehventil (40) aneinander anliegende und miteinander koaxiale Ventilteile (41, 42 ,43) umfasst und eines (42) dieser Ventilteile durch die den integrativen Bestandteil des Drehventils (40) bildende Kupplungshälfte (42) gebildet ist. - Bedruckstoffbogen verarbeitende Maschine, mit einer ersten Bogentransporttrommel (8) und einer der ersten Bogentransporttrommel (8) in einer Bogentransportrichtung der Maschine unmittelbar nachgeordneten, zweiten Bogentransporttrommel (9),
dadurch gekennzeichnet, dass die erste Bogentransporttrommel (8) bei deren Rotation einen Greiferflugkreis (11) beschreibende Greifersysteme (61, 62) und ein wesentlich von einer Kreisform abweichendes Trommelprofil mit zwischen den Greifersystemen (61, 62) von dem Greiferflugkreis (11) zurückgezogen verlaufenden Außenkonturbereichen (63, 64) aufweist und
dass die zweite Bogentransporttrommel (9) einem der Ansprüche 1 bis 17 entsprechend ausgebildet ist. - Bedruckstoffbogen verarbeitende Maschine nach Anspruch 18,
dadurch gekennzeichnet, dass das Trommelprofil im Wesentlichen oval oder rhombisch ist. - Bedruckstoffbogen verarbeitende Maschine nach Anspruch 18 oder 19,
dadurch gekennzeichnet, dass die zweite Bogentransporttrommel (9) und eine der zweiten Bogentransporttrommel (9) in der Bogentransportrichtung unmittelbar nachgeordnete, dritte Bogentransporttrommel (10) zusammen eine Wendeeinrichtung (4) zum Wenden der Bedruckstoffbogen (60) bilden. - Bedruckstoffbogen verarbeitende Maschine nach einem der Ansprüche 18 bis 20,
dadurch gekennzeichnet, dass diese Maschine eine Bogendruckmaschine (1) mit in Reihenbauweise angeordneten Druckwerken (2, 3) ist und dass die erste Bogentransporttrommel (8) und die zweite Bogentransporttrommel (9) zwischen Gegendruckzylindern (7) der Druckwerke (2, 3) angeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10250447 | 2002-10-30 | ||
DE10250447 | 2002-10-30 |
Publications (2)
Publication Number | Publication Date |
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EP1415804A1 true EP1415804A1 (de) | 2004-05-06 |
EP1415804B1 EP1415804B1 (de) | 2008-12-24 |
Family
ID=32087282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03022832A Expired - Lifetime EP1415804B1 (de) | 2002-10-30 | 2003-10-08 | Bogentransporttrommel einer Bedruckstoffbogen verarbeitenden Maschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US7150456B2 (de) |
EP (1) | EP1415804B1 (de) |
JP (1) | JP4642336B2 (de) |
AT (1) | ATE418452T1 (de) |
DE (2) | DE10346782A1 (de) |
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WO2010086253A1 (de) * | 2009-01-27 | 2010-08-05 | Manroland Ag | Speichertrommel-anordnung und damit ausgerüstete bogendruckmaschine |
DE102015211440B3 (de) * | 2015-06-22 | 2016-04-28 | Heidelberger Druckmaschinen Ag | Bogentransporttrommel und Druckmaschine mit einer solchen Bogentransporttrommel |
DE102016205769A1 (de) | 2015-05-06 | 2016-11-10 | Heidelberger Druckmaschinen Ag | Bogentransporttrommel und Druckmaschine mit einer solchen Bogentransporttrommel |
DE102016202242A1 (de) | 2016-02-15 | 2016-12-22 | Heidelberger Druckmaschinen Ag | Transportelement für Bogen |
DE102017202665A1 (de) | 2016-03-23 | 2017-09-28 | Heidelberger Druckmaschinen Ag | Verfahren zum Tintenstrahldruck |
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DE102007049643C5 (de) * | 2006-11-06 | 2019-04-04 | Heidelberger Druckmaschinen Ag | Verfahren und Vorrichtung zum Wenden eines Bogens während des Förderns durch eine Druckmaschine |
JP5473210B2 (ja) | 2006-11-06 | 2014-04-16 | 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 | 印刷機を通して枚葉紙を搬送する間に枚葉紙を反転するための方法及び装置 |
DE102007022434A1 (de) | 2007-05-10 | 2008-11-13 | Heidelberger Druckmaschinen Ag | Bogeninspektionseinrichtung in Bogenrotationsdruckmaschinen mit versetzter Abtastung |
US20090035046A1 (en) * | 2007-07-31 | 2009-02-05 | Belbey Jason S | Print drum |
DE102009045641B4 (de) * | 2008-10-30 | 2017-01-19 | manroland sheetfed GmbH | Verarbeitungsmaschine für Bogenmaterial mit einer Bogenwendeeinrichtung |
DE102010001685A1 (de) * | 2010-02-09 | 2011-08-11 | manroland AG, 63075 | Wendeeinrichtung einer Bogendruckmaschine |
DE102010028702B4 (de) * | 2010-05-06 | 2013-09-05 | manroland sheetfed GmbH | Wendeeinrichtung einer Bogendruckmaschine |
DE102012209580B4 (de) | 2011-06-22 | 2023-11-30 | Koenig & Bauer Ag | Wendevorrichtung für eine bogenverarbeitende Maschine |
DE102012218048B4 (de) | 2011-10-14 | 2023-11-30 | Koenig & Bauer Ag | Bogentransporttrommel, Verwendung von wechselbaren Überzügen an jeweiligen Zinken von Mantelsegmenten einer Bogentransporttrommel und Verfahren zum Einstellen von Kontakteigenschaften einer Bogentransporttrommel |
DE102014002907B3 (de) * | 2014-02-28 | 2015-03-05 | Heidelberger Druckmaschinen Ag | Vakuumtrommelsystem einer Bedruckstoffbogen verarbeitenden Maschine |
DE102015209695B4 (de) | 2015-05-27 | 2020-04-16 | Koenig & Bauer Ag | Bogenführungszylinder und Verfahren zur Formatverstellung eines Bogenführungszylinders |
CN105774217B (zh) * | 2016-05-05 | 2018-01-05 | 浙江劲豹机械有限公司 | 全自动丝网印刷机的接纸排印刷装置 |
CN110290928B (zh) * | 2017-10-13 | 2021-03-23 | 柯尼格及包尔公开股份有限公司 | 单张纸印刷机 |
EP3694717B1 (de) * | 2017-10-13 | 2021-12-01 | Koenig & Bauer AG | Bogenverarbeitende maschine mit einer bogentransportvorrichtung und verfahren zum transportieren von bogen von einem bogenführungszylinder an ein bogenfördersystem |
JP2021116156A (ja) * | 2020-01-27 | 2021-08-10 | 株式会社リコー | シート吸引装置、シート搬送装置、印刷装置、吸引領域切替装置 |
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US4202268A (en) * | 1973-11-22 | 1980-05-13 | Heidelberger Druckmaschinen Aktiengesellschaft | Transfer drum for printing presses with devices for gripping the leading and trailing edges of a sheet which is being imprinted |
DE2621250C2 (de) * | 1976-05-13 | 1982-07-22 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Bogenabfragevorrichtung in einer Rotationsdruckmaschine |
DE2632243C3 (de) * | 1976-07-17 | 1979-08-30 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Auf variable Bogenlängen einstellbare Umführtrommel für Druckmaschinen |
US4202542A (en) * | 1977-12-01 | 1980-05-13 | International Business Machines Corporation | Apparatus for handling flexible sheet material of different sizes |
DE2824733C2 (de) * | 1978-06-06 | 1984-03-15 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Umführtrommel für Schön- und Widerdruckmaschinen |
FR2489798A1 (fr) * | 1980-09-05 | 1982-03-12 | Hotchkiss Brandt Sogeme | Dispositif d'empilage d'objets minces et flexibles |
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JPH02144430U (de) * | 1989-05-12 | 1990-12-07 | ||
DE3938480A1 (de) * | 1989-11-20 | 1991-05-23 | Hell Rudolf Dr Ing Gmbh | Vorrichtung zum aufspannen von blattfoermigem aufzeichnungsmaterial |
DE4126643A1 (de) * | 1991-08-12 | 1993-02-18 | Koenig & Bauer Ag | Trommel zum transportieren und uebergeben von bogen |
GB2268162A (en) * | 1992-06-19 | 1994-01-05 | Shinohara Machinery Co Ltd | Sheet-feeding cylinder with grippers. |
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DE4315497C2 (de) * | 1993-05-10 | 2001-05-23 | Heidelberger Druckmasch Ag | Einrichtung zum Einstellen der Sauggreiferposition auf einer Bogenübergabetrommel |
DE4315549C2 (de) | 1993-05-10 | 2003-11-20 | Heidelberger Druckmasch Ag | Einrichtung zur Saugluftsteuerung für eine Bogenübergabetrommel |
DE4315513C2 (de) * | 1993-05-10 | 2001-11-08 | Heidelberger Druckmasch Ag | Einrichtung zur Formatanpassung einer Bogenübergabetrommel |
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DE19845214A1 (de) | 1998-10-01 | 2000-04-06 | Heidelberger Druckmasch Ag | Druckmaschinenzylinder, insbesondere Gegendruckzylinder für eine Bogenrotationsmaschine |
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JP4359373B2 (ja) * | 2000-03-23 | 2009-11-04 | 富士フイルム株式会社 | シート体の固定装置 |
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CA2392429C (en) * | 2001-07-23 | 2006-10-10 | Mitsubishi Heavy Industries, Ltd. | Sheet-fed press and intermediate cylinder for sheet-fed press |
-
2003
- 2003-10-08 DE DE10346782A patent/DE10346782A1/de not_active Withdrawn
- 2003-10-08 AT AT03022832T patent/ATE418452T1/de not_active IP Right Cessation
- 2003-10-08 DE DE50310965T patent/DE50310965D1/de not_active Expired - Lifetime
- 2003-10-08 EP EP03022832A patent/EP1415804B1/de not_active Expired - Lifetime
- 2003-10-30 JP JP2003370784A patent/JP4642336B2/ja not_active Expired - Lifetime
- 2003-10-30 US US10/698,075 patent/US7150456B2/en not_active Expired - Fee Related
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010086253A1 (de) * | 2009-01-27 | 2010-08-05 | Manroland Ag | Speichertrommel-anordnung und damit ausgerüstete bogendruckmaschine |
DE102016205769A1 (de) | 2015-05-06 | 2016-11-10 | Heidelberger Druckmaschinen Ag | Bogentransporttrommel und Druckmaschine mit einer solchen Bogentransporttrommel |
CN106113929A (zh) * | 2015-05-06 | 2016-11-16 | 海德堡印刷机械股份公司 | 页张输送辊和具有该页张输送辊的印刷机 |
US9738472B2 (en) | 2015-05-06 | 2017-08-22 | Heidelberger Druckmaschinen Ag | Sheet-transporting drum and printing machine having the sheet-transporting drum |
DE102015211440B3 (de) * | 2015-06-22 | 2016-04-28 | Heidelberger Druckmaschinen Ag | Bogentransporttrommel und Druckmaschine mit einer solchen Bogentransporttrommel |
US9718286B2 (en) | 2015-06-22 | 2017-08-01 | Heidelberger Druckmaschinen Ag | Sheet-transport drum and printing machine with a sheet-transport drum |
DE102016202242A1 (de) | 2016-02-15 | 2016-12-22 | Heidelberger Druckmaschinen Ag | Transportelement für Bogen |
DE102017202665A1 (de) | 2016-03-23 | 2017-09-28 | Heidelberger Druckmaschinen Ag | Verfahren zum Tintenstrahldruck |
CN107225858A (zh) * | 2016-03-23 | 2017-10-03 | 海德堡印刷机械股份公司 | 用于喷墨印刷的方法 |
US9889644B2 (en) | 2016-03-23 | 2018-02-13 | Heidelberger Druckmaschinen Ag | Method for inkjet printing |
Also Published As
Publication number | Publication date |
---|---|
DE50310965D1 (de) | 2009-02-05 |
US7150456B2 (en) | 2006-12-19 |
JP2004148828A (ja) | 2004-05-27 |
US20040084837A1 (en) | 2004-05-06 |
DE10346782A1 (de) | 2004-05-13 |
EP1415804B1 (de) | 2008-12-24 |
JP4642336B2 (ja) | 2011-03-02 |
ATE418452T1 (de) | 2009-01-15 |
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