EP1904391B1 - Procede et dispositif pour orienter un rouleau de materiau avant de l'aligner axialement dans un changeur de rouleaux - Google Patents

Procede et dispositif pour orienter un rouleau de materiau avant de l'aligner axialement dans un changeur de rouleaux Download PDF

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Publication number
EP1904391B1
EP1904391B1 EP06763162A EP06763162A EP1904391B1 EP 1904391 B1 EP1904391 B1 EP 1904391B1 EP 06763162 A EP06763162 A EP 06763162A EP 06763162 A EP06763162 A EP 06763162A EP 1904391 B1 EP1904391 B1 EP 1904391B1
Authority
EP
European Patent Office
Prior art keywords
reel
roll
transfer table
material reel
changer
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.)
Active
Application number
EP06763162A
Other languages
German (de)
English (en)
Other versions
EP1904391A1 (fr
Inventor
Martin Richard Keller
Erwin Paul Josef Lehrieder
Walter Ritter
Klaus Walter RÖDER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP1904391A1 publication Critical patent/EP1904391A1/fr
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting 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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/325—Orientation of handled material of roll of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4172—Handling web roll by circumferential portion, e.g. rolling on circumference
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4175—Handling web roll involving cart
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/35—Supports; Subassemblies; Mountings thereof rotating around an axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/14—Diameter, e.g. of roll or package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/24—Irregularities, e.g. in orientation or skewness

Definitions

  • the invention relates to a method for aligning a material roll to be transported to a roll changer and to a device for aligning a roll of material in front of the up-axis in a roll changer according to the preamble of claims 1 and 32, respectively.
  • EP 02 27 887 A2 is a station for loading a reel changer known in which the roll of material is retracted on a transport between roller support arms with jaws and raised there by means of the transport.
  • Various sensors serve the Querzentritation and the detection of the alignment of the roller axis and center axis of the jaws, as well as the detection and control of the feed of the transport in the horizontal direction.
  • the EP 03 91 061 A1 describes a system for loading a roll changer, in which the roll of material removed from the roll changer is first placed in a coarse and then a fine-setting.
  • the fine insertion position corresponds to the position of the recording zones in the reel changer.
  • the roll of material is locked on a means of transport and then retracted in the horizontal direction with the means of transport in the reel changer.
  • the DE 37 31 488 A1 relates to a device for clamping a material web supply roll.
  • Various sensors ensure accurate positioning of the rollers under the clamping point.
  • the diameter of the supply roll is determined by measuring sensors and from this the necessary clamping height is determined. If necessary, the material roll is raised to the required height by a jack.
  • the roller sleeve is detected with a light barrier, further sensors detect the position of the Roll on arrival at the reel changer.
  • the DE 38 22 572 C2 describes an unwinder for winding rolls of sheet material.
  • the device allows an automatic alignment of the winding roll taking into account the actual position of the sleeve ends without a separate measuring station.
  • the WO 89/08598 A1 shows a device for aligning a roll of material in front of the Aufachsen in a roll changer, wherein a transfer table is arranged with a movable thereon transport carriage, which is movable transversely to a longitudinal axis of the roll of material between two support pins of the roll changer, wherein the transfer table the roll of material between the support pin of Reel changer is arranged transporting, wherein the transfer table allows a displacement of the roll of material along its longitudinal axis and a pivoting of the roll of material about its longitudinal axis, wherein means for detecting the position of the roll of material are arranged, wherein the means for position detection an inclination of arranged on the transfer table material roll are arranged detecting ,
  • the DE 43 34 582 A1 discloses a roll changer whose support arms and transfer table are positioned in response to a determined roll size.
  • the invention has for its object to provide a method for aligning a material roll to be transported to a roll changer and a device for aligning a roll of material before the uprights in a reel changer.
  • the achievable with the present invention consist in particular in that the roll of material without additional operations in the roll changer correct for the automatic Aufachsen can be positioned.
  • a roll of material is retracted with a transfer table in the roll changer and can be pivoted on the transfer table at the entrance about its longitudinal axis.
  • a rotating device which is integrated on the transfer table and pivots the roll of material about a vertical axis.
  • an additional lifting device on the transfer table the material roll on one or both sides raise or lower, which corresponds to a pivoting of the roll of material about a horizontal axis transverse to the longitudinal axis of the roller.
  • a first possibility is that the roll of material initially moves on a trolley, for example, rail-bound in a transfer table rail.
  • the trolley with the roll of material is positioned centrally in the longitudinal direction on the transfer table.
  • the transfer table is moved transversely to the longitudinal axis of the roller in the direction reel changer first into a measuring position.
  • One or more measuring devices are mounted on the roll changer, which measure the distance of the front side of a new roll of material to a fixed point, in particular this happens in the outer roller area and in the region of the sleeve.
  • distance sensors are preferably positioned on the roller support arms as part of a measuring device, which determine the position of the sleeve and the outer edge of the roll of material on both sides.
  • the next step is the alignment of the longitudinal axis via the rotary device and optionally the lifting device, with corresponding sensors providing measured values for the corresponding control devices. Now the Aufachsen done by an axial movement of the trunnions in the direction of the roller center. Thereafter, the transfer table is moved back to its original position, possibly after previous lowering of the transfer table or the lifting device or lifting the roll of material using the roller support arms.
  • Another possibility of roll positioning is to first determine the diameter of the roll of material on the transfer table and to determine therefrom values for the beat-up position both for the roll support arm and for the roll of material. Then roll carrying arm and transfer table are moved to this position. By means of sensors on the roller support arm, the actual sleeve position is determined and according to the deviation from the Aufachsposition turning device and / or possibly also the lifting device are driven until the Aufachsposition is actually reached. After the Aufachsen the transfer table is again moved to its starting position.
  • a simpler solution would be a transfer table without lifting device.
  • the transfer table is first moved to the embarkachsposition and switched the rotary drive in a freewheel. Then, during the Aufachsvorgangs when retracting the first trunnion through the loose rotating device, the roll of material is rotated so that the axis of the sleeve is aligned coaxially with the axis of the trunnions and the second trunnion can retract into the sleeve.
  • This version can also be designed as a manual version by the rail is fixed on the transfer table against rotation and is released manually if necessary.
  • parts of the device are also used after the aligned up-axis for edge alignment of running and new material web.
  • the sensor of the roller positioning is preferably used. This can be dispensed with the independent displacement of a distance sensor.
  • the measuring device is preferably an optical path measuring system that allows non-contact measurement.
  • other measuring systems can also be used, for example radar systems, acoustic sensors or interferometric sensors.
  • the measuring device is mounted on a roller support arm of a roll changer.
  • An advantage of the provision of the measuring device on the roller carrying arm is that only short measuring paths are required and these are maintained even with variable roller widths.
  • the respective sensor is moved in these cases with the Rollentragarm so that it always has a small distance to the roll of material.
  • the measuring device can be rigidly provided laterally on the roll changer frame, which lends itself, in particular, when it is desired to dispense with moving sensors.
  • the distance at the roll end side in the vicinity of the uppermost paper layer is already measured during retraction into the roll changer.
  • the measuring device can also be arranged displaceable perpendicular to the roller axis.
  • a displacement of the measuring device in the radial direction could also be coupled to a sensor for detecting the diameter of the new material roll, in which case the required radial position of the sensor can be automatically determined and adjusted.
  • the desired distance under normal conditions of the roller end face is preferably set to a relative fixed point in the reel changer, for example the roller carrying arm.
  • Setpoint and actual value must each refer to the same relative fixed point.
  • the roller support arms of the running and the new material roll are aligned with each other, at least for the case that the new material web has the same width as the outgoing material web.
  • the clamped new material roll is adjusted by means of an adjusting drive in the axial direction by this deviation. The adjustment is already provided on each roller carrier to side edge control during operation, so that no further drive elements are required.
  • the two roller carriers are no longer aligned exactly with one another, an edge offset between the material webs during gluing is avoided or at least minimized.
  • Another way of coaxial alignment of the roll of material is in the measurement of the distance of a pivot axis of the Rollenau ⁇ enseite on both sides of the roll of material also with distance sensors.
  • the roll of material can be moved into the reel changer. If the distance measurement of the two roller end points shows a difference, the material roll is not aligned in parallel, the rotary drive must be controlled. Braking of the rotary drive takes place when two identical measured values of the distance sensors are reached. According to the known roll diameter then the roll of material can be moved parallel to the transfer table until the Aufachsposition is reached.
  • the roller support arms are first moved into a narrow position, so that the roll of material does not fit in between.
  • the transfer table is first slowly moved in the direction of reel changer. If the roll of material lies in an inclined position, the touch sensor is triggered on the preceding roll side, which switches on the rotary drive. If the material roll is aligned in parallel, the touch sensor on the second support arm is triggered, this switches off the rotary drive and also the displacement of the transfer table. If necessary, a brake is additionally activated.
  • the rotational drive can also remain switched off, in this case, the rotational drive is then connected momentarily when reaching the first touch sensor and locked again when the second touch sensor.
  • the aligned roll of material can be retracted after adjustment of the roller support arms in the Aufachsposition and thenexcellentachst.
  • Fig. 1 shows a transfer table 01, which is suitable for carrying out such a method. It shows Fig. 1a ) a side view and Fig. 1 b) a top view.
  • the transfer table 01 is essentially divided into two and consists of a transport carriage 02 and a roller conveyor 03 designed as a transport carriage 03.
  • the transport carriage 02 is preferably movable transversely to the roller longitudinal axis 07 with rails 04 on rails 06.
  • a lifting device 08 can be provided on the transport carriage 02, with which the transfer table 01 can be adjusted on one side or on both sides in height.
  • the lifting device 08 may preferably be supported on the rails 06.
  • the lifting device 08 may, for. B. an actuator 08, z. B. working cylinder 08 in particular a hydraulic ram 08 or pneumatic ram 08 be.
  • a bearing ring 09 On the trolley 02, a bearing ring 09 is provided, which receives a running rail 11 for the roller conveyor 03 rotatably supported by the drive 12.
  • the rotational movement of the bearing ring 09 via a preferably electric motor rotary drive 13, which is preferably equipped with a planetary gear and has a rotary encoder (not shown). It can be done by means of springs and / or rotary drive 13 a provision in the starting position.
  • the bearing ring 09 is formed in the form of a rolling bearing.
  • the bearing ring 09 has a circular shape (ie 360 ° closed).
  • the rotational movement of the bearing ring 09 is at least +/- 10 °, preferably +/- 15 °, but may also be 360 ° or more.
  • the border of the running rail 11 on the bearing ring 09 is rounded at the transfer points and the cast-in rails 06 frontally so that it does not come to the collision with the concrete edges during rotation.
  • an initiator 14 of the trolley 02 can be positioned centrally in the longitudinal direction.
  • the initiator 14 can be realized, for example, by a light barrier which stops the drive 12 of the roller transporting means when the central position is reached. Even a simple attack would be conceivable here.
  • the lifting device 08 with the hydraulic rams 08 can also be omitted.
  • FIG. 2 is a side view of a roll changer 15 shown with a transfer table 01 for performing a method.
  • a first roller carrier which is formed from two in the image plane behind one another roller support arms 16
  • a running material roll 17 is clamped between trunnions.
  • a new roll of material 18 was previously transported to the roll changer 15 and transferred to the transfer table 01 with the roll transport.
  • the new roll of material 18 is in a waiting position in front of the roll changer 15. It may happen that the longitudinal axis 19 of the new roll of material 18 is not yet in parallel alignment with the central axis 21 of the trunnions of a second roller carrier, which in turn consists of two in the Image plane behind one another roller support arms 22 is formed.
  • the oblique position of the new roll of material 18 is indicated by a slightly perspective view.
  • a new roll of material with a smaller one Diameter is shown in dashed lines with 18 ', its longitudinal axis is denoted by 19'.
  • the new roll of material 18 or 18 ' is initially prepositioned centrally between the roller support arms 22.
  • z. B. diameter sensor 23 which is preferably arranged in the frame of the roll changer 15, the diameter of the new roll of material 18 or 18 'determined. This is done by measuring the distance of the roll top from the diameter sensor 23. With a known installation height of the diameter sensor 23, the roll diameter can now be determined.
  • the roll diameter can also be determined in other ways, for example by reading a bar code label on the new roll of material 18 or 18 '. From the diameter of the new roll of material 18 or 18 'a measuring position is determined, in which the second roller carrier is pivoted to the roller support arms 22. In the Fig. 2 the roller support arms 22 are already shown in the measuring position. Dashed lines also show the roller support arm 22 ', which is pivoted into the measuring position for the smaller diameter material roll 18'.
  • the transfer table 01 is, as already in Fig. 1 explained, by means of the rollers 04 on the rails 06 in the direction of the movement arrow 24 transversely to the longitudinal axis 19 movable.
  • On the bearing ring 09 is rotatably mounted, which can be driven by a rotary drive 13, in particular electric motor 13.
  • the roller conveyor 03 is mounted on the rotatable bearing ring 09 and movable with the drive 12 in the image plane to the rear and front on the transfer table 01.
  • first sensors 26 attached, which has a defined Have distance x to the central axis 21 of the trunnions.
  • the first sensors 26 are positioned on the roller support arm 22 so that in the measuring position, the central axis 21 of the support pins, the longitudinal axis 19 of the new roll of material 18 and the first sensor 26 lie in a plane. This has the advantage that the measuring position of the roller supporting arms 22 also corresponds to the receiving position and the roller carrier does not have to be adjusted again after the measurement.
  • the further procedure for the Aufachsen in a preferred embodiment is based on the Fig. 3 explains which a plan view of the roll changer 15 after Fig. 2 represents.
  • the outgoing material roll 17 is clamped with its sleeve in support pins 27, which are each mounted on a roller support arm 16 of the first roller carrier.
  • the roll of material 18 is therefore initially moved at a constant speed in the direction of roll changer 15. Now recognizes the roller sleeve by the sensor 26 detects and stores the measuring points M1 and M2 as the sleeve passes through a laser beam. The points are detected separately on both sides of the roll of material 18 and from this an axial offset y is determined. Of course, other sensors can be used for this measurement, which determine the sleeve position, for example, by evaluating the magnetic field change occurring during the passage of the sleeve.
  • the axial offset y could be determined simply by the path difference of the measuring points M1 on both sides of the roll changer 15.
  • either the bearing ring 09 can be rotated by means of the rotary drive 13 and the transfer table 01 can be moved transversely again until the axial offset y is corrected.
  • the rotary actuator 13 is switched to instantaneous and the Rollentragarm 22 on the side of the correct sleeve position first moves into the sleeve, whereby the roll of material 18 is automatically rotated with the loose bearing ring 09 until the second sleeve side is aligned.
  • the other roller support arm 22 can retract into the sleeve. The further Aufachsvorgang takes place in a known Wise.
  • the distance to the end face 31 of the new material roll 18 is additionally measured in the clamped state of the new material roll 18. Since the end face 31 is not always parallel to the roller support arm 22 of the roller carrier, as is illustrated by the dotted edge line, the distance measurement should be made as possible in the outer region of the end face 31, ie close to the uppermost material layer of the new roll of material 18th
  • a machine-related standard distance of the end face 32 of the running material roll 17 to the associated roll support arm 16 can be specified with correct winding.
  • the deviations between the actual position of the running material web and the assumed standard value are low near the middle of the roll.
  • a comparison of the actual value with the setpoint yields a position deviation.
  • the clamped new material roll 18 is moved in the axial direction until a position corresponding to the desired value has been reached. In this case, the distance between the end face 31 of the new roll of material 18 and the first sensor 26 does not change. Rather, the roller carrier is moved with the roll of material 18 to compensate for the deviation from the desired value by changing the position of the new roll of material 18.
  • a displacement of the new material roll 18 in the axial direction takes place by synchronous movement of the roller support arms 22 of the second roller carrier along a second travel axis 34 by means of an adjustment drive.
  • the roller support arms 16 of the first roller carrier along a first travel axis 36 are adjusted by a separate second actuator to compensate for the existing edge offset.
  • the adjustment to adjust the edge position can be done either by continuous measuring and driving or by measuring once, determining the deviation and repositioning the new roll of material 18 by the determined deviation amount.
  • a second sensor 33 corresponding to the first sensor 26 is provided at the roller support arms 16 of the first roller carrier. After the roll has been replaced, this roll carrier can again receive a new roll of material, in which case again the distance to the front side is determined.
  • Fig. 4 a further embodiment of a device for aligning the new roll of material 18 in the roll changer 15 is shown.
  • Sensor 37, z. B. distance sensors 37 which are preferably mounted in the vicinity of the second travel axis 34 to the roller carriers 22, measure when retracting the transfer table 01 in the roll changer 15, the distances S1 and S2 from the longitudinal edge 29 of the new roll of material 18.
  • the material roll 18 is rotated until the measured value is equalized. Thereafter, the roll of material 18 is fully retracted into the roll changer 15 andconcentrachst.
  • Fig. 5 shows an embodiment with sensor 38, z. B. touch sensors 38 which are attached to the roller support arms 22.
  • the roller support arms 22 are first moved inward along the traverse axis 34, so that the new material roll 18, which travels transversely to the longitudinal axis 19, can strike the contact sensors 38 with its longitudinal edge 29. If the roll of material 18 is wrong, as in the Fig. 5 indicated, so will first strike the leading part of the longitudinal edge 29 to the touch sensor 38 shown on the right. This can directly switch the rotary drive 13 clockwise until the other side of the roll of material 18, the left touch sensor 38 is actuated, which stops the rotary drive 13. Thus, the longitudinal axis 19 of the roll of material 18 is aligned parallel to the central axis 21 of the support pin 28.
  • Fig. 6 the reel changer 15 again shown in plan view.
  • the method for minimizing the edge offset has already been associated with Fig. 3 described in detail.
  • the running material roll 17 is clamped between the roller support arms 16 of the first roller carrier.
  • the new roll of material 18 is in the position prior to clamping.
  • the first sensor 26 is attached to the roller support arm 22 of the second roller carrier, which may be the same sensor used for roller alignment as described above. With this sensor 26, the distance to the end face 31 of the new roll of material 18 is measured in the clamped state.
  • the end face 31 does not run in each case parallel to the roller carrying arm 22 of the roller carrier, as is again illustrated by the dashed edge line.
  • This alignment element 42 is located at the same radius as the support pin 27; 28th
  • the roll of material 18 is moved with the transfer table 01 according to the previously determined diameter to a defined Friedachsposition.
  • the roller support arms 16; 22 of the roller carrier are rotated in accordance with the previously determined diameter to an alignment position, by the Aufachsposition minus angular offset between support pin 27; 28 and alignment cone 42 is defined.
  • the Ausrichtkegel 42 is moved forward towards the sleeve to align the sloping roll of material 18. Subsequently, the Ausrichtkegel 42 is moved back again and the roller support arms 27; 28 rotated in the Friedachsposition.
  • the aligned roll of material 18 can now be addressed.
  • the Ausrichtkegel 42 may in the feed unit 41 by means of at least one Actuator 43, z. B. working cylinder, in particular pneumatic cylinder relative to the support pin 27; 28, in particular linear in the direction of a longitudinal axis of the adjacent trunnion 27; 28th
  • Ausrichtkegel 42 are preferably adjacent to all four trunnions 27; 28 arranged.
  • a further embodiment of a roll changer 15 is shown, in which the means for position detection on the side frame of the roll changer 15 are arranged.
  • the means for position detection are in this embodiment laser sensors 44, 45 which are fixedly arranged on the roll changer.
  • the method for aligning the material roll 18 or 18 ', which is carried out by the illustrated embodiment, will also be explained with reference to this FIG.
  • a theoretical Aufachsposition in the roll changer 15 is detected by the laser sensors 44, 45 in the transport direction leading edge of the roll of material 18 or 18'.
  • the theoretical Aufachsposition the transfer table is the position at which the roll of material 18 and 18 'coaxially aligned with the axis of rotation of the support pins 27, 28 and is arranged centrally on the transfer table. With an inclination of the material roll 18 or 18 'can thus be determined when retracting the transfer table 01 in the roll changer 15 an axial offset z of the roll of material.
  • the axial offset z can be determined, on the one hand, by determining the position of the points M3 and M4 triggering the respective associated laser sensors 44, 45.
  • a length measuring system 46 is arranged on the track 06 with absolute scale. The length measuring system determines when passing through the point M3 by the laser sensor 44, the absolute position of the transfer table 01 on the track 06 and the passage of the point M4 by the associated laser sensor 45 again the position of the Transferticians 01 on the track 06. From the two known dimensions is determined by subtraction of the axial offset z over the entire length of the roll.
  • the axial offset z is subsequently halved and the theoretical Aufachsposition of the transfer table 01 corrected by the amount z / 2, so that the transfer table retracted depending on the amount of misalignment either z / 2 further in the paster, or z / 2 is stopped before.
  • the axial offset z can also be determined by measuring the time interval between the detection of the point M3 and the point M4 and multiplying it by the speed of the transfer table.
  • this embodiment can also be determined whether the roll of material 18 and 18 'with respect to their longitudinal axis 19, 19' is arranged centrally on the transfer table 01.
  • the absolute position of the transfer table 01 in the theoretical Mauachsposition with straight and centrally located roll of material 18, 18 ' is known. If the roll is offset in parallel on the transfer table, a parallel offset v must be determined. For this purpose, after retracting the transfer table 01 into the theoretical Mauachsposition the roll of material 18, 18 ', the actual position of the transfer table 01 using the length measuring system 46 is determined. If this deviates from the theoretical Aufachsposition, so the transfer table 01 must be corrected by this measure v .
  • the support pins 27, 28 have in a preferred embodiment centering 47th on, by which the retraction is facilitated in a sleeve of an inclined roller.
  • the bearing ring 09 of the transfer table 01 is switched momentarily and the roller conveyor 03 can rotate when retracting the support pins 27, 28 in the sleeve in the required position.
  • the roller conveyor 03 is preferably connected by springs 48 to the trolley 02 such that this is rotated back after the Aufachsvorgang of the springs 48 in the basic position.
  • Fig. 10 a preferred embodiment of a centering tip 47 is shown, as it can be found on trunnions 27, 28 or 42 Ausrichtkegel use.
  • Fig. A) shows a perspective view
  • Fig. B) shows a view from below
  • Fig. C) shows a sectional view along the line AA in Fig. B).
  • the centering tip 47 has a central bore 49 and four continuous mounting holes 51. On one of the material roll, not shown, upper side 52, the centering tip 47 has a slope 53 extending towards the edge.
  • the angle ⁇ of this chamfer 53 is preferably 35 ° with respect to the axis of rotation of the trunnions.
  • the roll changer is preferably arranged in a web-fed rotary printing press.
  • Control device is preferably designed as a control station of a printing press.

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  • Replacement Of Web Rolls (AREA)

Claims (58)

  1. Procédé pour orienter un rouleau de matériau (18 ; 18') à transporter à un changeur de rouleaux (15), le rouleau de matériau (18 ; 18') étant orienté sur une table de transfert (01) se déplaçant jusqu'à entre des tourillons support (27 ; 28) du changeur de rouleaux (15), le chariot de transport (03) étant disposé sur la table de transfert (01), pouvant déplacer le rouleau de matériau (18 ; 18') transversalement et le long d'un axe longitudinal (19 ; 19') du rouleau de matériau (18 ; 18') et pouvant pivoter en un plan horizontal, une position oblique du rouleau de matériau (18 ; 18') disposé sur la table de transfert (01) étant déterminée à l'aide de capteurs (26 ; 26' ; 33 ; 38 ; 44 ; 45), caractérisé en ce qu'un premier signal est émis, lorsqu'une première face frontale de rouleau du rouleau de matériau (M3) passe un premier capteur (26 ; 44) pendant l'introduction de la table de transfert (01) dans le changeur de rouleaux, en ce qu'un deuxième signal est émis, lorsqu'une deuxième face frontale de rouleau du rouleau de matériau passe un deuxième capteur (26 ; 45) pendant l'introduction de la table de transfert (01) dans le changeur de rouleaux, en ce qu'une position oblique d'axe (z) de l'axe longitudinal de rouleau par rapport à l'axe de rotation des tourillons support (27 ; 28) est déterminée à partir des deux signaux des deux capteurs (44 ; 45).
  2. Procédé selon la revendication 1, caractérisé en ce que l'axe longitudinal (19 ; 19') du matériau de rouleau (18 ; 18') est orienté par rapport à l'axe de rotation des tourillons support (27 ; 28) du changeur de rouleaux (15).
  3. Procédé selon la revendication 1, caractérisé en ce que l'axe longitudinal (19 ; 19') du matériau de rouleau (18 ; 18') est orienté parallèlement à l'axe de rotation des tourillons support (27 ; 28) du changeur de rouleaux (15).
  4. Procédé selon la revendication 1, caractérisé en ce que, après serrage, la position du rouleau de matériau (18 ; 18') est déterminée et, le cas échéant, une correction de l'orientation axiale pour obtenir une liaison, avec une précision au niveau des bords, du rouleau de matériau (18 ; 18') avec une bande de matériau se dévidant.
  5. Procédé selon la revendication 1, caractérisé en ce que, du fait de cette position oblique déterminée du rouleau de matériau (18 ; 18'), une position d'alignement axial de la table de transfert (01) est fixée, en ce que, à cette position d'alignement axial fixée, le rouleau de matériau (18 ; 18') est aligné axialement sur les tourillons support (27 ; 28).
  6. Procédé selon la revendication 1, caractérisé en ce qu'un décalage du rouleau de matériau (18 ; 18'), en direction de son axe longitudinal (19 ; 19') par rapport à une position d'alignement axial optimale, est déterminé.
  7. Procédé selon la revendication 1, caractérisé en ce qu'un décalage parallèle du rouleau de matériau (18 ; 18'), transversalement à son axe longitudinal (19 ; 19') par rapport à une position d'alignement axial optimale du chariot à rouleaux (2), est déterminé.
  8. Procédé selon la revendication 1, caractérisé en ce que le rouleau de matériau (18 ; 18') est orienté en une position médiane, entre bras support de rouleaux (16 ; 22 ; 22') d'un support de rouleaux du changeur de rouleaux (15), par un déplacement en direction axiale.
  9. Procédé selon la revendication 1, caractérisé en ce que la grosseur de rouleau du rouleau de matériau (18 ; 18') est déterminée.
  10. Procédé selon la revendication 9, caractérisé en ce qu'une position d'alignement axial pour des bras support de rouleaux (16 ; 22 ; 22') d'un support de rouleaux du changeur de rouleaux (15) est déterminée en fonction de la grosseur de rouleau déterminée.
  11. Procédé selon la revendication 9, caractérisé en ce qu'une position d'alignement axial de la table de transfert (01) est déterminée en fonction de la grosseur de rouleau déterminée.
  12. Procédé selon la revendication 10, caractérisé en ce que le support de rouleau est pivoté à la position d'alignement axial.
  13. Procédé selon la revendication 1 ou 8, caractérisé en ce que le rouleau de matériau (18 ; 18') est introduit dans le support de rouleau, transversalement à son axe longitudinal (19 ; 19').
  14. Procédé selon la revendication 4, 6 ou 8, caractérisé en ce que la position du rouleau de matériau (18 ; 18') est déterminée une nouvelle fois.
  15. Procédé selon la revendication 1, caractérisé en ce que le rouleau de matériau (18 ; 18') est orienté axialement par pivotement du rouleau de matériau (18 ; 18').
  16. Procédé selon la revendication 1, caractérisé en ce que des tourillons support (27, 28) d'un support de rouleau sont introduits dans une douille du rouleau de matériau (18 ; 18').
  17. Procédé selon la revendication 16, caractérisé en ce qu'un pivotement du rouleau de matériau (18 ; 18') est effectué lors de l'introduction des tourillons support (27, 28), en ce que le rouleau de matériau est monté en palier à rotation libre autour d'un axe vertical.
  18. Procédé selon la revendication 1, caractérisé en ce que l'orientation axiale du rouleau de matériau (18 ; 18') en direction axiale est mesurée.
  19. Procédé selon la revendication 18, caractérisé en ce que le rouleau de matériau (18 ; 18') est orienté en direction horizontale par commande d'un dispositif de levage (08), et en ce que, le cas échéant, la position de réception du support de rouleau est corrigée.
  20. Procédé selon la revendication 1, caractérisé en ce que a position des deux faces frontales de la douille du rouleau de matériau (18 ; 18') est appréhendée lors de l'introduction de la table de transfert (01) dans le changeur de rouleaux (15).
  21. Procédé selon la revendication 1, caractérisé en ce qu'une distance d'espacement par rapport au bord longitudinal (29) du rouleau de matériau (18 ; 18') est appréhendé en au moins deux points espacés en direction longitudinale.
  22. Procédé selon la revendication 1, 20 ou 21, caractérisé en ce qu'un décalage axial (y) par rapport à l'axe de rotation entre les tourillons support (27 ; 28) du support de rouleau est appréhendé à partir des espacements déterminés des positions.
  23. Procédé selon la revendication 1 ou 21, caractérisé en ce que le rouleau de matériau (18 ; 18') est pivoté pour minimiser le décalage axial (y).
  24. Procédé selon la revendication 23, caractérisé en ce que la distance d'espacement par rapport au bord longitudinal (29) du rouleau de matériau (18 ; 18') est appréhendée à l'aide de capteurs (26 ; 26' ; 33) travaillant sans contact.
  25. Procédé selon la revendication 1, les étapes comprenant :
    - la détermination d'une position de la table de transfert (01), lorsqu'une première face frontale de rouleau (M3) passe un premier capteur (44) ;
    - la détermination d'une deuxième position de la table de transfert (01), lorsque l'autre face frontale de rouleau (M4) passe un deuxième capteur (45);
    - la détermination d'un décalage axial (z) et/ou d'une position oblique d'axe (z) de l'axe longitudinal de rouleau (19; 19') par rapport à l'axe de rotation des tourillons support (27, 28), à partir de la différence des positions de la table de transfert (01).
  26. Procédé selon la revendication 1, les étapes comprenant :
    - la détermination d'un temps, entre le passage des faces frontales de rouleau à un premier (444) et un deuxième capteur (45) ;
    - la détermination d'un décalage axial (z) et/ou d'une position oblique d'axe (z) de l'axe longitudinal de rouleau (19 ; 19') par rapport à l'axe de rotation des tourillons support (27, 28), à partir du temps déterminé et d'une vitesse de la table de transfert (01).
  27. Procédé selon la revendication 25 ou 26, caractérisé en ce qu'une course de déplacement de la table de transfert (01) est corrigée, dans le but de compenser le décalage axial déterminé.
  28. Procédé selon la revendication 1, caractérisé en ce que la position oblique du rouleau de matériau (18 ; 18') est corrigée au moyen de pointes de centrage (47) disposées sur les tourillons support (27 ; 28).
  29. Procédé selon la revendication 1, caractérisé en ce que la position oblique du rouleau de matériau (18 ; 18') est corrigée au moyen d'un entraînement en rotation (13) disposé sur la table de transfert (01).
  30. Procédé selon la revendication 1, caractérisé en ce que le rouleau de matériau (18 ; 18') est transporté sur un chariot de transport (03) sur la table de transfert (01).
  31. Procédé selon la revendication 30, caractérisé en ce que le chariot de transport (03) est transporté jusqu'à la position d'alignement axial.
  32. Dispositif pour orienter un rouleau de matériau (18 ; 18') avant l'alignement axial dans un changeur de rouleaux (15),
    - une table de transfert (01), avec un chariot de transport (03) déplaçable sur elle, étant disposée, déplaçable transversalement à un axe longitudinal (19 ; 19') du rouleau de matériau (18 ; 18'), entre deux tourillons support (27 ; 28) du changeur de rouleaux (15),
    - la table de transfert (01) étant disposée en transportant le rouleau de matériau (18 ; 18') jusqu'entre les tourillons support (27 ; 28) du changeur de rouleaux (15),
    - la table de transfert (01) permettant un déplacement en translation du rouleau de matériau (18 ; 18') le long de son axe longitudinal (19 ; 19'), et un pivotement du rouleau de matériau (18 ; 18') autour de son axe longitudinal (19 ; 19'),
    - des moyens pour la détection de position (26 ; 26' ; 33 ; 42 ; 44 ; 45) du rouleau de matériau (18 ; 18') étant disposés,
    - les moyens pour la détection de position (26 ; 26' ; 33 ; 42 ; 44 ; 45) étant disposés en appréhendant une position oblique du rouleau de matériau (18 ; 18') disposé sur la table de transfert (01),
    - caractérisé en ce que le chariot de transport (03) est monté à pivotement sur la table de transfert (01), à l'aide d'une couronne de palier (09) réalisée sous forme de palier à roulement en forme de cercle.
  33. Dispositif selon la revendication 32, caractérisé en ce qu'un dispositif de commande est disposé pour la commande cinématique de la table de transfert.
  34. Dispositif selon la revendication 33, caractérisé en ce que le dispositif de commande est disposé en commandant l'orientation du rouleau de matériau (18 ; 18') en fonction de la position, appréhendée par les moyens pour la détection de position (26 ; 26' ; 33 ; 42 ; 44 ; 45) du rouleau de matériau (18 ; 18').
  35. Dispositif selon la revendication 33, caractérisé en ce que le dispositif de commande est disposé en commandant l'orientation du rouleau de matériau (18 ; 18') en fonction de la position oblique du rouleau de matériau (18 ; 18').
  36. Dispositif selon la revendication 32, caractérisé en ce que le dispositif de commande est disposé en commandant la position d'alignement axial de la table de transfert (01) en fonction de la position oblique des rouleaux de matériau (18 ; 18').
  37. Dispositif selon la revendication 32, caractérisé en ce que la table de transfert (01) comprend un chariot de transport (02), déplaçable transversalement à l'axe longitudinal (19 ; 19') et portant le chariot de transport (03), déplaçable sur le chariot de transport (02) en direction longitudinale du rouleau de matériau (18 ; 18') et disposé à rotation sur le chariot de transport (02).
  38. Dispositif selon la revendication 32, caractérisé en ce que le dispositif comprend un mécanisme de levage (08), disposé en faisant pivoter le rouleau de matériau (18 ; 18') autour de son axe longitudinal (19 ; 19').
  39. Dispositif selon la revendication 32, caractérisé en ce que, en tant que moyens pour la détection de position (26 ; 26' ; 33 ; 42) sur le changeur de rouleau (15) sont disposés des capteurs (38) qui sont disposés en déterminant la distance d'espacement, entre un point fixe sur le changeur de rouleaux (15) et un bord longitudinal (29) du rouleau de matériau (18 ; 18') à aligner axialement.
  40. Dispositif selon la revendication 32, caractérisé en ce que, en tant que moyens pour la détection de position (26 ; 26' ; 33 ; 42) sur le changeur de rouleau (15), sont disposés des capteurs (26 ; 26' ; 33) qui sont disposés en déterminant la distance d'espacement, entre un point fixe sur le changeur de rouleaux (15) et la face frontale (31) du rouleau de matériau (18 ; 18') à aligner axialement.
  41. Dispositif selon la revendication 32, caractérisé en ce que, en tant que moyens pour la détection de position (26 ; 26' ; 33 ; 42) sur le changeur de rouleau (15), sont disposés des capteurs (26 ; 26' ; 33) qui sont disposés en déterminant les différences de position des deux faces frontales d'une douille du rouleau de matériau (18 ; 18') à aligner axialement.
  42. Dispositif selon la revendication 32, caractérisé en ce que, en tant que moyens pour la détection de position (26 ; 26' ; 33 ; 42 ; 44 ; 45) sur le changeur de rouleau (15), sont disposés des capteurs (44, 45) et un système de mesure (46), déterminant une position du chariot de transport (02) par rapport à un décalage axial z et/ou un décalage parallèle v du rouleau de matériau (18 ; 18') à aligner axialement.
  43. Dispositif selon la revendication 32, caractérisé en ce que, en tant que moyens pour la détection de position (44 ; 45) sont disposés des capteurs (44 ; 45) qui émettent chacun un signal pendant l'introduction du rouleau de matériau (18 ; 18') dans le changeur de rouleau (15).
  44. Dispositif selon l'une des revendications 32 à 43, caractérisé en ce que le dispositif permet en outre de minimiser un décalage entre bords, lors de l'application de la bande de matériau du rouleau de matériau (18 ; 18') à de nouveau aligner axialement sur une bande de matériau en dévidement d'un rouleau de matériau (17) en dévidement.
  45. Dispositif selon l'une des revendications 39 à 43, caractérisé en ce qu'un premier capteur (26 ; 26') détermine l'espacement de la zone extérieure de la face frontale (31) du nouveau rouleau de matériau (18 ; 18') par rapport à un point fixe relatif qui présente une position fixe, par rapport au nouveau rouleau de matériau (18 ; 18') enserré dans le support de rouleau, et en ce que, à partir d'une valeur de consigne prédéterminée et de la valeur réelle déterminée, un dispositif de commande détermine celle qui sert de grandeur de réglage pour la commande d'un dispositif d'entraînement de réglage, pour déplacer en direction axiale le nouveau rouleau de matériau (18 ; 18'), avec le support de rouleau, de la valeur de l'écart de position, la valeur de consigne définissant une distance d'espacent entre le nouveau rouleau de matériau (18 ; 18') et le point fixe relatif, distance pour laquelle une application, sans décalage des bords, de la nouvelle rouleau de matériau sur la bande de matériau en dévidement est effectuée.
  46. Dispositif selon la revendication 45, caractérisé en ce que la mesure de la distance d'espacent s'effectue par une mesure de distance optique.
  47. Dispositif selon la revendication 46, caractérisé en ce que le capteur (26 ; 26') comprend une source d'éclairage et un récepteur sensible au rayonnement.
  48. Dispositif selon l'une des revendications 35 à 47, caractérisé en ce que le premier capteur (26 ; 26') est monté de manière déplaçable en direction radiale sur le bras de support de rouleau (22 ; 22').
  49. Dispositif selon la revendication 32, caractérisé en ce que le premier capteur (26 ; 26') est couplé à un dispositif pour détecter le diamètre du nouveau rouleau de matériau (18 ; 18') et est déplacé en une position de mesure individuelle, en fonction du diamètre de rouleau déterminé, pour explorer la zone extérieure du nouveau rouleau de matériau (18 ; 18').
  50. Dispositif selon la revendication 32, caractérisé en ce que des éléments d'orientation (42 ; 47) sont disposés pour orienter le rouleau de matériau (18 ; 18').
  51. Dispositif selon la revendication 50, caractérisé en ce que les éléments d'orientation (42 ; 47) sont réalisés sous forme de cônes d'orientation (42 ; 47).
  52. Dispositif selon la revendication 50, caractérisé en ce que les éléments d'orientation (42) sont disposés au voisinage des tourillons support (27 ; 28).
  53. Dispositif selon la revendication 50, caractérisé en ce que les éléments d'orientation (42) sont déplaçables localement par rapport aux tourillons support (27 ; 28).
  54. Dispositif selon la revendication 32, caractérisé en ce qu'un dispositif de commande est disposé pour commander le transport d'approche et/ou orienter et/ou aligner axialement les rouleaux de matériau (18 ; 18').
  55. Dispositif selon la revendication 32, caractérisé en ce que les tourillons support (26 ; 27) sont munis de pointes de centrage (47).
  56. Dispositif selon la revendication 32, caractérisé en ce qu'un entraînement en rotation (13) est prévu pour l'orientation du rouleau de matériau (18 ; 18') sur la table de transfert (01).
  57. Dispositif selon la revendication 56, caractérisé en ce que l'entraînement en rotation (13) est disposé sur la table de transfert (01).
  58. Dispositif selon la revendication 56, caractérisé en ce que l'entraînement en rotation (13) présente un moteur électrique.
EP06763162A 2005-07-13 2006-05-17 Procede et dispositif pour orienter un rouleau de materiau avant de l'aligner axialement dans un changeur de rouleaux Active EP1904391B1 (fr)

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DE102005032600A DE102005032600B4 (de) 2005-07-13 2005-07-13 Vorrichtung zum Ausrichten einer Materialrolle vor dem Aufachsen in einem Rollenwechsler
PCT/EP2006/062363 WO2007006600A1 (fr) 2005-07-13 2006-05-17 Procede et dispositif pour orienter un rouleau de materiau avant de l'aligner axialement dans un changeur de rouleaux

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EP1904391B1 true EP1904391B1 (fr) 2011-06-01

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DE102005032600A1 (de) 2007-01-18
US7832682B2 (en) 2010-11-16
EP1904391A1 (fr) 2008-04-02
ATE511489T1 (de) 2011-06-15
WO2007006600A1 (fr) 2007-01-18
DE102005032600B4 (de) 2007-10-25
US20090116948A1 (en) 2009-05-07

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