EP3507097A1 - Bogenverarbeitende maschine und verfahren zur überwachung eines bogenlaufs - Google Patents
Bogenverarbeitende maschine und verfahren zur überwachung eines bogenlaufsInfo
- Publication number
- EP3507097A1 EP3507097A1 EP18723811.8A EP18723811A EP3507097A1 EP 3507097 A1 EP3507097 A1 EP 3507097A1 EP 18723811 A EP18723811 A EP 18723811A EP 3507097 A1 EP3507097 A1 EP 3507097A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- processing machine
- sensor
- machine according
- measuring device
- 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
- 238000012545 processing Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000007639 printing Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 238000011156 evaluation Methods 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 12
- 238000004080 punching Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000005286 illumination Methods 0.000 description 11
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- 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
- B41F21/12—Adjusting leading edges, e.g. front stops
-
- 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
- B41F21/14—Adjusting lateral edges, e.g. side stops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H11/00—Feed tables
- B65H11/002—Feed tables incorporating transport belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H11/00—Feed tables
- B65H11/007—Feed tables with front stop arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/10—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
- B41P2213/90—Register control
- B41P2213/91—Register control for sheet printing presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/42—Cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/43—Bar code reader
-
- 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
- B65H2801/42—Die-cutting
Definitions
- the invention relates to a sheet-processing machine, in particular sheet-fed printing press or sheet punching machine, especially sheet-fed rotary punching machine, with a sheet system and with a device for monitoring sheet travel along a sheet transport path of the sheet system and a method for monitoring a sheet travel along a sheet transport path in a sheet system.
- printed webs receive a trimming cut during production that is within a tolerance range.
- this tolerance range is between 0.1 and 0.15 mm.
- These webs are cut into sheets at the end of the printing process with a sheeter. These sheets can then be further processed as needed, for example in sheetfed offset.
- the pre-printed sheets must be created or aligned with a very high accuracy of fit.
- From DE 26 41 848 A1 discloses a method and an apparatus for positioning sheets for printing machines o. The like.
- the sheets are first mechanically prepositioned by slidably inserted along a stop bar in a positioning until the sheet leading edge to a temporarily brought into the sheet web stop abuts, then with the help of edge marks the fine positioning is controlled in such a way that the front corners associated edge marks are successively brought by appropriate displacement of the paper sheet in the scanning of a respective associated electro-optical scanning device, and wherein Finally, the paper sheet as long as parallel from the Stop bar is moved away until the longitudinal side associated edge marks reach the area of the electro-optical scanning devices.
- the actual position of the sheet to be aligned is determined by means of a measuring device on the feed table and compared in an evaluation unit with a predetermined desired position. In case of deviations of the actual position of the desired position, a control signal is generated, by which an actuator is controlled, which corresponds to the gripper system of a downstream drum. By the actuator, the gripper system is moved so that the held by the gripper system to be aligned sheet is brought with respect to its side edge in the desired position.
- DE 195 06 467 A1 proposes to provide at least three measuring devices operating independently of one another.
- the measuring devices are arranged side by side within a short section running parallel to the side edge to be measured for determining a plurality of measured values. From the measured values which are determined for a position of the side edge, a measurement result is formed by means of a mathematical method that suppresses extreme values of the measured values attributable to anomalies of the side edge.
- DE 102 08 570 A1 describes a device for aligning sheets to a side edge, in which the actual position of an aligned, applied to leading marks sheet is detected on a feed table of a measuring device and the sheet passed through a sheet accelerating device to a gripper system of a drum is, wherein the gripper system for realizing a desired position in the axial direction is slidably disposed.
- a device for detecting the position of an edge of a sheet-shaped material to be processed wherein an opto-electrical Measuring device is associated with the arcuate processing material with the side edge on the feed table fixing sheet blank holder.
- a method and a device for aligning a sheet in front of a sheet processing machine wherein a transported sheet is moved with its leading edge against a stop and is braked to a standstill, wherein subsequently the sheet on each longitudinal side in its front area is clamped in each case by a clamping device, wherein thereafter for the actual position determination at each of the right and left front area of the sheet is taken with a camera taking a picture, the image information of the camera are then compared with stored setpoints and the required correction movement to After reaching the target position of the sheet is calculated, and then moves the stop at the sheet leading edge of the transport plane and the calculated correction movement is performed, the two clamping devices are moved independently in and across the transport direction.
- A1 a method and a device for positioning of sheets is known, wherein the positioning takes place without the use of front or side stops.
- a coarse positioning of the sheet in the circumferential and oblique directions is effected by a controlled stopping of the sheet, a page orientation takes place in the region of a feed table, a fine positioning in the circumferential and oblique directions is carried out by positioning of Passeranelle a sheet transport system.
- the measurement of the sheet positions can also be done by a measurement of sheet edge and print marks.
- a disadvantage of this solution is that the coarse alignment can also lead to damage of the printed image by transport and pressing devices.
- a measurement of the position of the arc in the circumferential and oblique direction in motion is also not easily possible.
- the invention has for its object to provide an alternative device or an alternative method for monitoring the sheet travel along a transport path of a sheet-processing machine.
- an improved sheet system without side pull marks or without large-scale pressing devices should be created.
- the invention has the advantage that an alternative device or an alternative method for monitoring the sheet travel along a transport path of a sheet-processing machine is provided.
- an improved sheet system is created without side pull marks and / or without large-scale pressing devices.
- the achievable with the invention in particular advantages are that a sensor detects the preprinted page marks on the sheet and the sheet is aligned on grippers so that the pre-printed sheet can be accurately created or aligned.
- a coarse alignment can be carried out after a detected side edge of the sheet and a subsequent fine alignment according to the mark or the print image. Due to the coarse alignment, it is only possible to create the time frame needed for a fine alignment by brand or print image, which is required for the recording and processing of the image content. It can thus continue to be achieved a higher machine speed.
- a two-time evaluation of a mark can be made, wherein an evaluation unit processes both measurements in succession.
- the first measurement is preferably optimized for rapid evaluation in order to enable a time-critical pre-alignment of, for example, a gripper system.
- a subsequent second measurement of the mark is optimized for accurate evaluation, in order to enable ultimately highly accurate fine control, for example, of the gripper system. Due to the two-part measurement, it is possible to position both fast and highly accurate, resulting in faster machine speeds.
- Fig. 2 is a fragmentary view of a feed table in plan view; 3 to 5 a schematic representation of possible sheet layers with respect to two receivers;
- Fig. 6 shows a mark on a sheet
- Fig. 7 embodiment of a sheet system of a processing machine
- Fig. 1 feed table with at least one print mark having bow.
- Figures 1 and 2 show a preferred sheet plant, such as a sheet-fed press, in particular a sheetfed offset printing machine preferably in aggregate and series construction, comprising a feed table 1 with front marks 2, a Bogenbeschreibungsvorraum 3, which is preferably designed as a vibration system 4 and a sheet holding system 28, and a drum 5, in which a gripper system 6 is arranged axially displaceable.
- the drum 5 is preferably a cylinder 9 downstream.
- the upper table surface of the feed table 1 forms a sheet transport path along which sheet 7, 8, 30 other organs of the sheet processing machine such.
- B. the sheet holding system 28 of the oscillating system 4 can be supplied.
- On the feed table 1 a detected by the gripper system 6 to be aligned sheet 7 and a follower sheet 8 is shown.
- the feed table 1 is preferably associated with a measuring device 10, which extends over at least one characteristic of each machine format area 12, in which the side edge of the incoming sheets 7, 8, 30 can be detected.
- the format area 12 extends transversely to a conveying direction 1 1.
- a transversely to the conveying direction 1 1 extending channel 13 is provided in the feed table 1, in which the measuring device 10 is arranged.
- the channel 13 is closed with a transparent cover strip 14, so that the surface of the feed table 1 and the cover strip 14 form a common plane.
- the measuring device 10 is an opto-electrical measuring device 10, z. B. as a reflective line 15, CCD line or as a camera. However, any other measuring principle can also be used.
- the reflective line 15 preferably comprises a lighting device 16 extending over the entire length of the measuring device 10 and a receiver 17 located approximately in the same plane, on a neighboring position parallel to the lighting device 16 and likewise extending over the entire length of the measuring device 10
- at least one receiver 29 may be associated with the opposite lateral region of the sheet transport path.
- a receiver 17, 29 may be formed from individual CCD elements connected in series or as a scanner line extending over the entire format area 12.
- the CCD elements preferably consist of a multiplicity of measuring elements arranged side by side in a row.
- a single or each receiver 17, 29 may also comprise two CCD rows which are inclined at different angles with respect to the sheet transport path. According to a further embodiment, a single or each receiver 17, 29 may also be arranged above the sheet transport path.
- the receiver 17, 29 is connected to an evaluation unit 18.
- the evaluation unit 18 evaluates the signals of the at least one receiver 17, 29 for determining the position of the side edge of one or the superimposed sheets 7, 8, 30. Next, in addition, the determination of the thickness of the one or superimposed sheets 7, 8, 30 take place.
- target values for the lateral sheet position and possibly the sheet thickness can be entered or stored.
- the evaluation unit 18 is preferably linked to an actuating element 19 or a drive of the sheet-processing machine.
- the actuator 19 may in turn be in operative connection with the gripper system 6 of the drum 5.
- the gripper system 6 preferably comprises gripper fingers 21 which are clamped on a gripper shaft 20 and which correspond to gripper strikes 22.
- the gripper system 6 is preferably arranged as a functional unit on a carriage 24, which is displaceably mounted in a drum channel 23. On the carriage 24 engages a driver 25, which is connected to a concentrically guided in a drum base 26 actuating shaft 27. With the control shaft 27 corresponds to the actuator 19, by which the gripper system 6 can be moved in the axial direction.
- the sheet to be aligned 7 is conveyed to the feed table 1 and with the front edge against the located in a position on the feed table 1 front marks 2, brought to rest and aligned with the leading edge.
- a selected side edge is detected by the receiver 17, 29.
- the receiver 17, 29 is formed as a reflective line 15
- beams 16 are emitted by the illumination device, which rays are reflected by the underside of the sheet 7 to be aligned and detected by the receiver 17, 29.
- beams emitted by the illumination device 16 are reflected, so that the position of the side edge on the receiver 17, 29 is reflected.
- the illumination device 16 and of the receiver or receivers 17, 29 Due to the suitable arrangement and design of the illumination device 16 and of the receiver or receivers 17, 29 it can be achieved that also a side surface of a respective arc 7, 8, 30, ie a lateral one of the front, the rear, the upper and the lower side edge a respective sheet side limited area, incorporated as a reflection surface and mapped to the receiver 17, 29 or in other words is detected by this.
- the arrangement of illumination device 16 and receiver 17, 29 is preferably realized such that the light radiation emitted by the illumination device 16 or the radiation of any other light source on the underside of the respective sheet 7, 8, 30 in a different scope in particular a different proportion is reflected as from the side surface.
- the receiver 17, 29 are formed in accordance with the degree of reflection differently intense irradiated areas from their reflection source ie the bottom of the respective sheet 7, 8, 30 or its side surface can be assigned.
- the signal generated by the receiver 17, 29 is supplied to the evaluation unit 18 and processed and optionally stored therein.
- the sheet accelerating device 3 is designed as a vibration system 4
- the sheet 7 to be aligned is clamped by the sheet holding system 28 and subsequently removed from the feed table 1.
- a sensor 31 is arranged which determines a position of a mark 32 of the sheet 7, 8, 30 clamped in particular by the sheet holding system 28.
- the measuring device 10 can make a measurement for determining the position of the side edge of the sheet 7, for example, even when entering the sheet 7. This measurement can take place when the leading edge of the sheet 7 has not yet reached the front marks 2, for example at a distance of 100 mm. Alternatively or In addition, a measurement can be made in the rest position of the sheet 7 at the front marks 2. In a further development, the position of the side edge of the sheet 7 to be aligned can also be displaced by the receiver 17, 29 in a first phase of stripping in which the leading edge of the sheet 7 to be aligned covers a distance s, where s can be approximately 2 to 10 mm detected in a sequence of measurements and the generated further signals of the evaluation unit 18 are supplied.
- an average value is formed by the first signal and the further signals of a measurement cycle, whereby the values which exceed a predefined tolerance, ie actual values which were initiated by anomalies of the side edge, are masked out and thus are not considered.
- This average value reflects the position of the side edge of the sheet 7 to be aligned and is compared with the setpoint value stored in the evaluation unit 18.
- the evaluation unit 18 can also evaluate the signal of the receiver 17, 29 with respect to the thickness of the detected sheet or sheets 7, 8, 30.
- an actuating signal is generated by the evaluation unit 18 and supplied to the actuating element 19.
- the gripper system 6 is displaced in the axial direction by the adjusting element 19 to such an extent that the side edge of the sheet 7 to be aligned is displaced out of the Actual situation has reached the desired position.
- the aligned sheet 7 is transferred in the desired position of the drum 5 to the cylinder 9.
- the follower sheet 8 is transported with its leading edge against the front table 2 positioned on the feed table 1, aligned and brought to rest.
- the measuring device 10 or reflex line 15 the actual position of the side edge of the follower sheet 8 is detected analogously and fed to the evaluation unit 18. If the value determined by the evaluation unit 18 for the thickness of a sheet 7, 8, 30 deviates upward from a stored value, the evaluation unit 18 generates a multiple sheet signal and forwards it to at least one drive of the sheet processing machine for its deceleration or shutdown.
- the time at which the receiver or receivers 17, 29 optically detect the lateral area of one or more superimposed sheets 7, 8, 30 may vary according to various embodiments.
- the receivers 17, 29 detect a signal of the lateral area of one or more superimposed sheets 7, 8, 30 before the respective sheet 7, 8, 30 is aligned at its front edge, the evaluation unit 18 this signal for determining the thickness of the one or the superimposed sheets 7, 8, 30 evaluates. After the leading edge of the same sheet 7, 8, 30 is aligned, another signal is detected with the same receiver 17, 29 and evaluated to determine the position of the side edge of one or the superimposed sheets 7, 8, 30.
- Fig. 3 is a laterally offset single bow 30 in position reference to a design with two receivers 17, 29 is shown. The position of the side edges and the arch thickness are detected by both receivers 17, 29.
- two laterally staggered sheets 30 are shown in positional reference to an embodiment having two receivers 17, 29. From the receiver 17, only the position of the left side edge and the thickness of the lower sheet 30 are detected. From the receiver 29, the position of the side edges of the upper and lower sheets 30 and the thickness of the lower and upper sheets 30 are detected.
- two laterally offset single sheets 30 in covering position i.e., a double sheet
- two receivers 17, 29 The position of the side edges and the arch thickness of the double sheet 30 are detected by both receivers 17, 29.
- FIG. 6 shows marks 32 to be detected by at least one sensor 31 on a sheet 7, 8, 30.
- a mark 32 may be used as a register mark and / or code, e.g. B. as a QR code, be formed.
- the device for monitoring the sheet travel along a sheet transport path in the sheet system of a sheet-processing machine comprises at least one sensor 31 which is assigned to the lateral region of the sheet transport path and for optical detection of the lateral region of an arc 7, 8, 30 is formed.
- the sensor 31 is arranged so that it has a position of a mark 32, z. B. a register mark of the sheet 7, 8, 30, determined.
- the sheet 7, 8, 30 preferably has the mark 32 even before the sheet 7, 8, 30 is fed into the sheet-processing machine.
- the sensor 31 is arranged such that it detects the overhead surface of the sheet 7, 8, 30.
- the sensor 31 is arranged above the sheet transport path, in particular above the feed table 1 or the oscillating system 4.
- the sensor 31 is transverse to the Transport path arranged slidably.
- the sensor 31 is designed, for example, as a camera, CCD camera or CMOS camera.
- the sensor 31 is connected to one or the evaluation unit 18, wherein the evaluation unit 18 is arranged such that it can evaluate the signals of the sensor 31 for assessing the position of the mark 32.
- the actuating element 19 is actuated, for example a position of the gripper system 6 is changed.
- the signal from the sensor 31 is preferably used for fine positioning of the gripper system 6.
- the evaluation unit 18 evaluates the signals from the measuring device 10 for determining the position of the side edge of the one sheet 7, 8, 30 and outputs a signal representing the lateral position of the sheet 7, 8, 30.
- the evaluation unit 18 preferably evaluates the signals of the receiver 17, 29 and the sensor 31 and passes a the lateral position of the sheet 7, 8, 30 representing signal or a correction or control signal to the actuator 19 for influencing the sheet position on.
- the measuring device 10 for detecting the lateral area of the sheet 7, 8, 30 and the sensor 31 are selectively operable, the measuring device 10 in particular the coarse positioning and the sensor 31, the fine positioning of each sheet 7, 8, 30 influenced.
- each sheet 7, 8, 30 is aligned as a function of both the measured values of the measuring device 10 and the measurement result of the sensor 31, wherein first a rough direction to the side edge and then a fine alignment to the mark 32 is performed.
- FIG. 7 shows in one embodiment a sheet feeder of a sheet-processing machine, in particular as a further processing machine, in particular a sheet-fed offset printing machine in aggregate and series construction as described above.
- the sheet feeder can also be part of a rotary die cutter.
- a sheet feeder can be provided, for example, in a material logistics system, for example in a printing room, in which a processed material is further processed, in particular finished, to be.
- a printing material can be in sheet or roll form in an upstream Processing machine processed, for example, printed, be. In the case of a roll-shaped printing material, in particular in a preceding process step, transverse cutting is carried out to produce sheet-like processing materials, in particular sheets
- Such prepared processing material is fed to the sheet system of the sheet processing machine for further processing.
- the sheet-processing machine can punch the sheets 7, 8, 30 and / or refine them in a refining process, for example in a printing, varnishing and / or finishing plant.
- the sheet-processing machine may have a film transfer module for application of, for example, overprintable film layers for finishing.
- the upstream operation is carried out in particular an application of at least one mark on the sheet-shaped processing material.
- one or more marks 32 can be applied to the surface of the printing material, in particular to each of the later sheets 7, 8, 30, together with a particularly constant printed image in an upstream printing process, for example on the web printing press.
- the sheets 7, 8, 30 can, for example, be stacked for further processing, in particular in a feeder upstream of the sheet feeder.
- the machines provided for upstream processing and for further processing may be from different manufacturers.
- the sheet system of the sheet-processing machine may have a belt table 33 with at least one perforated, preferably subjected to negative pressure circumferentially driven conveyor belt.
- the at least one conveyor belt can be provided, for example, at least approximately centrally with respect to the machine width.
- the belt table 33 is 1 downstream of the feed table 1 with the front marks 2 in the conveying direction.
- the upper run of the conveyor belt of the belt table 33 and the upper table surface of the feed table 1 forms the sheet transport path, which can represent in particular a transport plane.
- An aligned sheet 7 is preferably at the front marks 2 of the feed table 1 at.
- the sheet system further comprises a Bogenverleun Trent Dahltage 3, which is preferably designed as a vibration system 4 and a sheet holding system 28 has, and a drum 5, in which a not further illustrated gripper system 6 is arranged axially displaceable.
- the machine can furthermore be designed as described above and, for example, comprise a cylinder 9 (not shown) downstream of the drum 5.
- FIG. 8 shows a plan view of the feed table 1 without sheet 7 to be aligned.
- a transversely to the conveying direction 1 1 extending channel 13 is provided, in which the at least one measuring device 10 is arranged.
- the channel 13 is covered with a cover, such as a scissor lattice 14, wherein in particular the surfaces of feed table 1 and cover form a common plane.
- the feed table 1, in particular the channel 13, are preferably associated with side-edge sensors 17, 29, wherein a respective active side-edge sensor 17, 29 detects a respective side edge of the incoming sheets 7, 8, 30, as described above.
- one side edge sensor 17 is associated with a first side edge and another side edge sensor 29 is associated with the opposite side edge of an arc 7.
- the sensors 17, 29 are designed in particular as opto-electrical systems, for example as CCD lines or scanner lines.
- the side-edge sensors 17, 29 of a respective illumination device are preferred 16 arranged opposite one another, ie the lighting devices 16 are arranged above the feed table 1.
- a side edge sensor 17, 29 can be moved or moved parallel to and preferably together with the respective illumination device 16 transversely to the conveying direction 11.
- the position control is carried out according to a side edge sensor 17, 19, which is activated after appropriate selection of the drawing side.
- side marker sensor 29 associated with side 2 is associated with a sensor 31 detecting marker 32 of sheets 7, 8, 30. But it can also be the opposite side edge sensor 17 are connected to such a sensor 31.
- FIG. 9 shows the section AA from the preceding drawing with a camera 31 arranged above the feed table 1 with which a position of the mark 32 of the sheet 7, 8, 30 can be determined.
- the camera 31 is an optical recording system and preferably has a high resolution and / or associated evaluation software.
- the camera 31 is particularly preferably attached to a camera mount 34, on which the camera 31 is transversely positionable relative to the conveying direction 1 1 positionable.
- the camera mount 34 is mounted on a moving unit 35 for adjustment to the format width.
- the movement unit 35 may be received, for example, in the channel 13 or below the feed table 1.
- the camera mount 34 can simultaneously record the illumination device 16 for the side-edge sensor 29. More preferably, the camera mount 34 carries a downholder 36 facing the surface of the sheets 7.
- the hold-down device 36 may be arranged adjacent to or in a plane with the lighting device 16, for example.
- the camera 31, the illumination device 16 and the hold-down device 36 can thus be displaced jointly by the movement unit 35.
- the hold-down 36 particularly preferably has a run-on slope for transported in the conveying direction 1 1 sheet 7.
- Fig. 10 shows the section BB from the preceding drawing, with a sheet to be aligned 7 promoted by the upstream belt table 33 on the feed table 1 and with the leading edge against the located in a position on the feed table 1 front marks 2, brought to rest and so after the Front edge is aligned.
- the hold-down device 36 has a recess 37, which releases a field of view 38 of the camera 31.
- the recess 37 of the blank holder 36 is at least as large or larger than the field of view 38 of the camera 31 executed.
- the camera 31 is always positioned so that a lateral arc edge 39 in the field of view 38 of the camera 31 is located.
- the camera 31 is positioned transversely to the conveying direction 11, in particular as a function of the sheet format reaching for processing.
- Fig. 1 1 shows the feed table 1 with at least one print mark 32 having sheet 7.
- the sheet 7 is applied to the front marks 2 and to the abutment surfaces of the front marks 2.
- the plant takes place here by the bow table 7 transporting belt table 33, so that the sheet 7 is pushed against the front brands 2 and so aligned with an idealized investment line 40.
- the page edge sensor 29, which is adjusted in format on the lateral area of the sheet 7, can thus detect the position of the lateral sheet edge 39 and transmit measured values to the evaluation unit 18, so that an adjusting element 19, in particular the gripper system 6 of the drum 5, can be driven in and for its movement , Subsequently, the fixing of the sheet leading edges by the sheet holding system 28 of the vibration system 4 in the front pressure-free gripper edge 41, which may be up to 10 mm, for example. Subsequently, after gripping the sheet holding system 28 in the front pressure-free gripper edge 41, the detection of the print mark 32 by the camera 31, wherein the field of view 38 of the camera 31, for example, 30 mm in the conveying direction 1 1 and 20 mm may be transverse to the conveying direction 1 1.
- the print mark 32 to be detected by the field of view 38 of the camera 31 can be arranged in particular in a pressure-free lateral region 42, which may extend from the lateral edge of the sheet 39, for example up to 6 mm.
- the lateral pressure-free region 42 has, for example, an extension of 5 mm with a tolerance of 1 mm.
- the print mark 32 itself can have an extension in the conveying direction 1 1 of 12 mm and an extension transverse to the conveying direction 1 1 of 0.3 mm.
- the print mark 32 is arranged spaced apart in particular at a distance of at least approximately 3 mm with a tolerance of 1 mm. From the front edge of the sheet 7, the print mark 32 is at a defined distance, for example about 171 mm, arranged so that the print mark 32 comes to rest in the applied to the front marks 2 state of the sheet 7 in the field of view 38 of the camera 31.
- the side edge and the lateral edge of the sheet 39 is detected by the side edge sensor 29.
- 16 beams are emitted from the arranged above the feed table 1 lighting device, which are partially reflected by the sheet 7 to be aligned and partially detected by the side edge sensor 29.
- the rays emitted by the illumination device 16 are reflected, so that the position of the side edge on the side edge sensor 29 is reflected.
- the side edge sensors 17, 29 are each connected to the evaluation unit 18, which evaluates the signals of the at least one activated side edge sensor 17, 29 for determining the position of the side edge of the one or the superimposed sheets 7, 8, 30, as described above.
- the evaluation unit 18 can also be part of the machine control.
- the signal generated by the side edge sensor 29 is supplied to the evaluation unit 18 and processed in this and optionally stored.
- the evaluation unit 18 generates actuating signals for the actuating means 19.
- the actuation of the actuating means 19, in particular the axial presetting or coarse adjustment of the gripper system 6 of the drum 5, takes place In particular, a pre-alignment of the gripper fingers 21 takes place counter to the determined later pulling side. Due to the coarse positioning of the gripper fingers of the sheet-holding system 28 of the oscillating system 4 and the gripper fingers 21 of the gripper system 6 of the drum 5 limited axial pulling can be at least almost completely exhausted or extended.
- the front lays 2 are guided into a position under the feed table 1.
- the sheet acceleration device 3 is designed as a vibration system 4
- the sheet 7 to be aligned is clamped by the sheet holding system 28 and subsequently removed from the feed table 1.
- the position of the located on the sheet 7 mark 32 is detected by the camera 31.
- the camera 31 is preferably designed such that it recognizes the print mark 32 independently, for example, on the known shape or dimension of the print mark 32.
- the position of the print mark 32 can be detected by the camera 31 or the evaluation unit 18, so that the Camera 31 can provide the measured values of the evaluation unit 18.
- the evaluation unit 18 evaluates the measured values of the print mark 32 for the fine alignment of the actuating element 19, in particular of the gripper system 6, wherein at the same time deviations of the sheet position due to the gripper closure of the sheet holding system 28 are taken into account.
- the gripper system 6 is displaced in the axial direction by the adjusting element 19 to such an extent that the side edge of the sheet 7 to be aligned is displaced out of the actual Situation in the desired position arrives.
- the values determined with respect to the detected print mark 32 are preferably used for the fine alignment by the gripper fingers 21.
- the aligned sheet 7 is transferred in the desired position of the drum 5 to the cylinder 9.
- the follower sheet 8 is transported with its front edge against the front table 2 positioned on the feed table 1 and measured and aligned in the same way.
- the side edge of the sheet 7 to be aligned may be separated from the side edge sensor 29, for example in a sequence of FIG Measurements recorded and the generated further signals of the evaluation unit 18 are supplied. These values are preferably ignored by the evaluation unit 18, but can be used, for example, for plausibility checking or the like.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Controlling Sheets Or Webs (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017207706.9A DE102017207706B4 (de) | 2017-05-08 | 2017-05-08 | Vorrichtung zur Überwachung des Bogenlaufs entlang einer Transportbahn |
PCT/EP2018/061895 WO2018206588A1 (de) | 2017-05-08 | 2018-05-08 | Bogenverarbeitende maschine und verfahren zur überwachung eines bogenlaufs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3507097A1 true EP3507097A1 (de) | 2019-07-10 |
EP3507097B1 EP3507097B1 (de) | 2020-06-24 |
Family
ID=62148371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18723811.8A Active EP3507097B1 (de) | 2017-05-08 | 2018-05-08 | Bogenverarbeitende maschine und verfahren zur überwachung eines bogenlaufs |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190329546A1 (de) |
EP (1) | EP3507097B1 (de) |
CN (1) | CN110869211B (de) |
DE (1) | DE102017207706B4 (de) |
WO (1) | WO2018206588A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021129700A1 (de) | 2021-11-15 | 2023-05-17 | Manroland Goss Web Systems Gmbh | Formatvariable Stanzvorrichtung und Verfahren hierzu |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019129645A1 (de) * | 2019-11-04 | 2021-05-06 | Koenig & Bauer Ag | Bogenbearbeitungsmaschine mit zumindest einer Sensoreinrichtung |
DE102019129643B4 (de) | 2019-11-04 | 2021-09-09 | Koenig & Bauer Ag | Bogenbearbeitungsmaschine mit zumindest einem Transportmittel eines Zuführsystem und Verfahren zur relativen Lageveränderung eines Transportmittels eines Zuführsystems |
DE102019129647A1 (de) | 2019-11-04 | 2021-05-06 | Koenig & Bauer Ag | Bogenbearbeitungsmaschine mit zumindest einem Zuführsystem und Verfahren zur Steuerung eines Zuführsystems einer Bogenbearbeitungsmaschine |
WO2022078818A1 (de) | 2020-10-15 | 2022-04-21 | Koenig & Bauer Ag | Druckkontrollstreifen, substrat und verfahren zur steuerung und/oder regelung zumindest eines bestandteils einer bearbeitungsmaschine |
DE102021101122A1 (de) | 2021-01-20 | 2022-07-21 | Koenig & Bauer Ag | Stanzmaschine mit zumindest einer Sensoreinrichtung und Bogen mit zumindest einem Druckkontrollstreifen und Verfahren zur Steuerung und/oder Regelung zumindest eines Bestandteils einer Stanzmaschine |
DE102020127154B4 (de) | 2020-10-15 | 2022-12-29 | Koenig & Bauer Ag | Bogenbearbeitungsmaschine mit zumindest einer Sensoreinrichtung und Verfahren zur Steuerung und/oder Regelung zumindest eines Bestandteils einer Bogenbearbeitungsmaschine |
NL2027044B1 (en) * | 2020-12-04 | 2022-07-06 | Canon Production Printing Holding Bv | Method and apparatus for improving calibration in a printer |
DE102021101725B4 (de) | 2021-01-27 | 2023-01-12 | Koenig & Bauer Ag | Verfahren zur Steuerung und/oder Regelung zumindest eines Zuführsystems und Bogenbearbeitungsmaschine mit zumindest einer Sensoreinrichtung |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2641848A1 (de) | 1976-09-17 | 1978-03-30 | Gao Ges Automation Org | Verfahren und vorrichtung zum positionieren von bogen fuer druckmaschinen o.dgl. |
DE3644431A1 (de) | 1986-12-24 | 1988-09-01 | Koenig & Bauer Ag | Bogengreifervorrichtung in einer rotationsdruckmaschine mit bogengreifern, die in axialer richtung bewegbar sind |
DE4218760C2 (de) * | 1992-06-06 | 2000-02-03 | Heidelberger Druckmasch Ag | Anordnung von Registermarken auf einem Druckprodukt und Verfahren zur Ermittlung von Registerabweichungen |
US6199480B1 (en) * | 1992-06-06 | 2001-03-13 | Heideiberger Druckmaschinen | Arrangement for determining register deviations of a multicolor rotary printing machine |
DE19506467A1 (de) | 1995-02-24 | 1996-08-29 | Koenig & Bauer Albert Ag | Vorrichtung und Verfahren zum Messen einer Lage einer Kante von Bahnen oder Bogen |
DE19842192A1 (de) | 1998-09-15 | 2000-03-16 | Roland Man Druckmasch | Einrichtung zur Überwachung des Bogenlaufes einer bogenverarbeitenden Vorrichtung |
DE10036512B4 (de) | 2000-07-27 | 2008-11-20 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Doppelbogenkontrolle mit optischen Sensoren |
DE10208570A1 (de) | 2002-02-27 | 2003-09-04 | Koenig & Bauer Ag | Vorrichtung zum Ausrichten von Bogen nach einer Seitenkante |
DE10357864A1 (de) | 2003-12-11 | 2005-07-21 | Koenig & Bauer Ag | Einrichtung zum Erfassen der Lage einer Kante eines bogenförmigen Verarbeitungsgutes |
DE102008012775A1 (de) * | 2008-03-05 | 2009-09-10 | Heidelberger Druckmaschinen Ag | Verfahren zum Vermessen der Lage von Bogen und zur Ausrichtung von Bogen |
DE102009027861A1 (de) * | 2009-07-21 | 2011-01-27 | Manroland Ag | Verfahren zur Seitenkantenausrichtung von Druckbogen |
DE102010027119A1 (de) | 2010-07-14 | 2012-01-19 | Heidelberger Druckmaschinen Ag | Verfahren und Vorrichtung zum Positionieren von Bogen |
WO2012076671A1 (de) | 2010-12-08 | 2012-06-14 | Bielomatik Leuze Gmbh + Co. Kg | Verfahren und vorrichtung zum ausrichten eines bogens vor einer bogenbearbeitungsmaschine |
CN102991115B (zh) * | 2012-12-10 | 2015-08-19 | 天津长荣印刷设备股份有限公司 | 一种纸张定位装置及其工作方法 |
DE102015208043B4 (de) | 2015-04-30 | 2020-05-07 | Koenig & Bauer Ag | Maschinenanordnung mit mehreren Bearbeitungsstationen zur Bearbeitung von Bogen |
CN105365370B (zh) * | 2015-11-27 | 2018-03-30 | 天津长荣科技集团股份有限公司 | 一种纠偏系统及其工作方法 |
-
2017
- 2017-05-08 DE DE102017207706.9A patent/DE102017207706B4/de not_active Expired - Fee Related
-
2018
- 2018-05-08 WO PCT/EP2018/061895 patent/WO2018206588A1/de unknown
- 2018-05-08 US US16/468,326 patent/US20190329546A1/en not_active Abandoned
- 2018-05-08 CN CN201880004707.6A patent/CN110869211B/zh active Active
- 2018-05-08 EP EP18723811.8A patent/EP3507097B1/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021129700A1 (de) | 2021-11-15 | 2023-05-17 | Manroland Goss Web Systems Gmbh | Formatvariable Stanzvorrichtung und Verfahren hierzu |
Also Published As
Publication number | Publication date |
---|---|
CN110869211B (zh) | 2020-12-29 |
EP3507097B1 (de) | 2020-06-24 |
DE102017207706A1 (de) | 2018-11-08 |
WO2018206588A1 (de) | 2018-11-15 |
CN110869211A (zh) | 2020-03-06 |
US20190329546A1 (en) | 2019-10-31 |
DE102017207706B4 (de) | 2019-03-28 |
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