EP2014591A2 - Dispositif d'enroulement destiné déroulement d'une bande de matériau et procédé du déroulement d'une bande de matériau - Google Patents

Dispositif d'enroulement destiné déroulement d'une bande de matériau et procédé du déroulement d'une bande de matériau Download PDF

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Publication number
EP2014591A2
EP2014591A2 EP08104653A EP08104653A EP2014591A2 EP 2014591 A2 EP2014591 A2 EP 2014591A2 EP 08104653 A EP08104653 A EP 08104653A EP 08104653 A EP08104653 A EP 08104653A EP 2014591 A2 EP2014591 A2 EP 2014591A2
Authority
EP
European Patent Office
Prior art keywords
sensor
web
winding device
vibration
sensor 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
Application number
EP08104653A
Other languages
German (de)
English (en)
Other versions
EP2014591A3 (fr
EP2014591B1 (fr
Inventor
Josef Nelles
Henning Gugel
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2014591A2 publication Critical patent/EP2014591A2/fr
Publication of EP2014591A3 publication Critical patent/EP2014591A3/fr
Application granted granted Critical
Publication of EP2014591B1 publication Critical patent/EP2014591B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status 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
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • 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
    • B65H2511/16—Irregularities, e.g. protuberances
    • B65H2511/166—Irregularities, e.g. protuberances relative to diameter, eccentricity or circularity
    • 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
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/20—Acceleration or deceleration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/50—Vibrations; Oscillations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/82—Sound; Noise
    • 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

Definitions

  • the invention relates to a winding device for unrolling a material web from a web roll, the web roll having a roll axis and a method for unwinding a web of material web roll, wherein the web is rotated and vibrations are detected.
  • Material webs must be wound up into shipping or finishing rolls before they can be shipped.
  • the shipping or finished rolls are produced by so-called mother or reel rolls, which are produced at the output of a paper or board machine or after the calendering of the web, unwound, cut in the longitudinal direction and then wound on each winding cores.
  • the spool rolls or parent rolls usually come from a calender. Calenders are rolling machines that cause compaction, flattening and smoothing of the paper.
  • the spool rolls are fed to a unwinding device, for example a slitter. This can be done for example via a magazine or by means of a crane. After the drum roll has been inserted into the unwinding device, the spool roll is glued to the take-up roll, for example by means of a splicing device. The take-up rolls then pull the paper off the spool roll.
  • the take-up rolls either lie in a roll bed (carrier roll winder) or are driven by a support roll (back-up roll winder).
  • a winding machine which shows both a unwinding device and a reeling device is in the DE 44 24 848 A1 whose disclosure content is included in the present application.
  • the speed with which a material web is wound onto the roll is in the range of well over 2,000 m / min.
  • vibrations can occur during winding. These vibrations can have different causes. For example, at least one part of the oscillation is induced by the incoming material web in a take-up device.
  • Vibrations do not only occur as in the WO 02/094696 A1 and the DE 10 2005 035 619 A1 described during winding up, but also during unrolling or unwinding.
  • unwound forces can occur during unwinding due to an inhomogeneous mass distribution of the roll to be unwound, which lead to unacceptably high vibration velocities and vibration amplitudes, in particular at the so-called stiffening parts, which accommodate the storage of the unwinding web, especially at high web speeds.
  • vibrations during unwinding due to the mass of the unwinding spool roll, which according to the publication " Voith Slitter: The Quick Cut ", drive & control 1 (2004) pp.
  • the invention is therefore based on the object to further develop an unwinding device such that the disadvantages of the prior art are avoided. In particular, unacceptably high unbalance forces should be avoided in the settlement.
  • a sensor device for detecting vibrations.
  • the web roll or the spool has a roll axis.
  • the sensor device according to the invention is now arranged so that it detects or senses oscillations in a direction which is substantially perpendicular to the roller axis.
  • the vibrations occurring perpendicular to the roller axis due to imbalance forces are those vibrations that are introduced into the chair or stiffening parts and thus in the building.
  • the spool roll or the roll to be unwound is clamped or held in a drum bearing by means of a clamping device, by appropriate arrangement of the sensor devices, this so-called spool clamping device can also be protected against overload.
  • the protection against overload, for example due to the sensed vibration signal has the further great advantage that the machine does not have to be constantly monitored by an operator during operation.
  • the sensor device comprises means for receiving the oscillation speed includes.
  • it may be provided not to record the vibration velocity in a direction radial to the spool axis, but the acceleration.
  • These types of sensing are also referred to as direct sensing.
  • the sensor device In order to protect the stool parts against overloading, it is provided to arrange the sensor device on the staging parts themselves, both on the side of the staging on which a drive (drive side) is arranged, as well as on the side of the stool on which only the axle is stored (on the driver side).
  • stiffeners have different stiffnesses in the radial direction to the spool axis. Therefore, it is particularly preferred if the sensor device is arranged on the stiffening part such that it absorbs the vibration speed or acceleration in the direction of the lowest rigidity, since the greatest oscillation amplitudes are to be expected in this direction.
  • the sensor device prefferably record the vibration velocity or acceleration in the horizontal direction perpendicular to the spool axis. If the measured values exceed a predetermined limit value for the vibrations, the web speed of the material web is automatically reduced until the predetermined limit value is reached or fallen below again.
  • the winding device comprises a drive for the spool and a control device which is connected to the sensor device.
  • the sensor device sends a signal to the control device when a certain threshold value of the oscillation is exceeded.
  • the roller drive is then controlled so that the web speed is reduced, to a value such that the vibration, for example, the vibration amplitude, below the predetermined limit.
  • the characteristic variable for the vibration can be the vibration velocity or the vibration acceleration, which are input as thresholds for the vibration in the control device.
  • the sensor device can either be used as a displacement transducer, i. be constructed as a direct vibration sensor or as an indirect vibration sensor, for example as a force transducer, as a pressure sensor, as a sound measuring device, as an optical measuring device or as a device for measuring roundness deviations.
  • the invention also provides a method for unwinding a material web from a web roll, in which the web roll is rotated and vibrations are detected.
  • the inventive method is characterized in that when a vibration exceeds a predetermined limit, the web speed of the web is reduced until a limit is reached or exceeded.
  • the reduction of the web speed can take place in that the speed of the drive by means of the control device, in particular the machine control, is reduced.
  • the drum can be braked.
  • FIG. 1 is an unwinding reel, which is always referred to below as Volltambour 10 according to the paper lexicon by Prof. Göttsching, from which a paper web 11 is unwound to be led to a take-up reel (not shown).
  • a winding device which shows both a unwinding device, such as a take-up, is in the DE 4424848 A1 the disclosure of which is incorporated in full in the present application. In particular, in the DE 4424848 A1 shown how the web can be guided by the unwinding to a take-up reel.
  • FIG. 1 The device shown shows the stiffening 12, in which the Volltambour 10 is inserted. In the stool 12, only one stool 14 is shown.
  • FIG. 1 it is the so-called leader-side view of the Abrollstuhlung, that is, the drive is not shown here, since it is located on the opposite side.
  • the drive drives the roller axis or the spool axis 20 and is controlled by a control device, not shown.
  • a sensor device is now provided which absorbs a vibration perpendicular to the axis extending out of the plane of the paper. Preferred locations where the sensor devices are located will be detailed in the following description.
  • FIG. 1 illustrated is the clamping device 28, for clamping, that is, for fixing the spool roll.
  • the clamping device 28 comprises clamping lever 30, which clamp by means of a clamping cylinder 32 to the full-tambour 10 and thus fix.
  • the clamping assembly 28 is, as shown, arranged both leader and drive side.
  • the chair or the stiffening part is connected to the foundation 50 of the building.
  • the sensor devices can be designed both for direct sensing of the vibrations or arranged for indirect sensing and at different locations.
  • a sensor device is arranged on the stiffening part.
  • the sensor device is a direct sensor device, for example a vibration sensor 100, which can directly record the acceleration and / or the speed of the oscillation.
  • the preferred measuring direction 102 of the vibration sensor 100 is the direction radially to the spool axis 20 and parallel to the guide rail 220.
  • On the guide rail is discharged after completion of the complete full-drum 10 of the roll core or the empty beats 22.1 of the full cylinder 10 and rolls to the stop 202.
  • Inippoender Representation is shown an ejected empty drum 22.2 of an already completed full cylinder 10, which abuts against the stop 202.
  • a sensor for example a vibration sensor in the form of an acceleration sensor, is arranged both on the driver's and driver's side fins.
  • This acceleration sensor allows the monitoring of the unwinding and has the advantage that both the secure clamping of the full cylinder 10 and the building load can be detected in such a configuration.
  • sensors for the indirect absorption of vibrations or loads due to vibrations can be used.
  • a force transducer 150 which may be installed in the stool instead of the vibration sensor or together with the vibration sensor 100. Unbalance forces of the main cylinder 10 can be absorbed by the force sensor 150 and used to monitor permissible vibrations.
  • the direction of force, the present is recorded is designated 152.
  • the force direction is again perpendicular in the radial direction to the spool axis 20.
  • the pressure in the clamping cylinders 32 of the Tambourklemmung for determining unbalance forces which in turn lead to vibrations used.
  • a sensor that allows such ingestion of imbalance forces would be a sensor that receives the pressure in the clamp cylinders of the spool clamp. Such a sensor is designated by the reference numeral 170.
  • an optical measuring method for example an optical measuring method with an optical sensor 200
  • sensors based on ultrasonic measurements and laser distance measurements can also be used.
  • the detector which receives the measurement signal is connected via line 250 to the machine control. Via line 250, the measurement signal recorded by the detector 200 is transmitted to an evaluation unit or the machine controller 270.
  • the machine controller controls, for example via line 280, the unillustrated drive of the full-cylinder 10 or a braking device for braking the full-drum 10, so that the rotational speed of the full-drum 10 and thus the web speed of the unwound web 11 are reduced. so that the vibrations decrease, or the unbalance forces are smaller.
  • the measurement signals picked up by the sensors 100, 150, 170 can also be made available to the machine controller 270.
  • the machine controller evaluates all of the sensors 100, 150, 170, 200 recorded actual signals that are continuously transmitted from the sensors to the control device, and compares them with reference signals that are assigned to limits of vibrations. If it is determined that an actual value exceeds the permissible limit value in the machine control system, in order to avoid an overloading of the components, the unwinding speed and thus the web speed of the unwound web are reduced with the aid of a control, namely until the detected imbalance forces are less than or equal to the limit.
  • the reduction of the unwinding speed can be effected either by controlling the drive or by braking the drum cylinder or both together.
  • step 1000 the actual signal is received by one or more of the sensors 100, 150, 170, 200.
  • step 1100 the actual signal is compared with a threshold G stored in the controller. If the actual value exceeds the limit value G, then the rotational speed of the full cylinder 10 is reduced in step 1200, then an actual value is recorded again in step 1000. If the limit value is exceeded again during the recording of the second actual value, then the web speed is reduced again, otherwise the value of the web speed remains.
  • a winding device for unwinding a material web roll, in particular a paper roll, specified for the first time in which vibrations or unbalance forces can be detected reliably.
  • the detected signals can be fed to a machine control system which regulates the web speed during unrolling, so that reliable vibrations during unwinding, which can lead to damage either of the parts of the chair or of the foundation, can be reliably avoided.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
EP08104653A 2007-07-10 2008-07-07 Dispositif d'enroulement destiné au déroulement d'une bande de matériau et procédé du déroulement d'une bande de matériau Not-in-force EP2014591B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007032095A DE102007032095A1 (de) 2007-07-10 2007-07-10 Wickelvorrichtung zum Abrollen einer Materialbahn sowie Verfahren zum Abwickeln einer Materialbahn

Publications (3)

Publication Number Publication Date
EP2014591A2 true EP2014591A2 (fr) 2009-01-14
EP2014591A3 EP2014591A3 (fr) 2009-10-21
EP2014591B1 EP2014591B1 (fr) 2012-03-14

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EP08104653A Not-in-force EP2014591B1 (fr) 2007-07-10 2008-07-07 Dispositif d'enroulement destiné au déroulement d'une bande de matériau et procédé du déroulement d'une bande de matériau

Country Status (3)

Country Link
EP (1) EP2014591B1 (fr)
AT (1) ATE549282T1 (fr)
DE (1) DE102007032095A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010004165U1 (de) 2010-03-24 2010-06-24 Metso Paper, Inc. Wickelvorrichtung zum Abwickeln einer Faserbahnrolle
WO2012001211A1 (fr) 2010-06-29 2012-01-05 Metso Paper, Inc. Procédé et système pour déterminer une excentricité

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011006391A1 (de) * 2011-03-30 2012-10-04 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Erfassung von Parametern einer durch- oder umlaufenden Materialbahn in einer Materialverarbeitungsmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424848A1 (de) 1994-07-14 1996-01-18 Jagenberg Papiertech Gmbh Wickelmaschine zum Aufwickeln von Materialbahnen, insbesondere Papier- oder Kartonbahnen
WO2002094696A1 (fr) 2001-01-10 2002-11-28 Valmet Corporation Systeme de detection de vibrations pour produit en rouleau
DE102005035619A1 (de) 2005-07-29 2007-02-08 Voith Patent Gmbh Verfahren zum Aufwickeln einer Materialbahn und Wickelvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07102922B2 (ja) * 1987-04-27 1995-11-08 三菱重工業株式会社 ウエブ巻取装置
JPH0680289A (ja) * 1992-09-03 1994-03-22 New Oji Paper Co Ltd ワインダーの振動制御方法
FI101283B (fi) * 1996-10-29 1998-05-29 Valmet Corp Menetelmä paperirainan rullauksessa

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424848A1 (de) 1994-07-14 1996-01-18 Jagenberg Papiertech Gmbh Wickelmaschine zum Aufwickeln von Materialbahnen, insbesondere Papier- oder Kartonbahnen
WO2002094696A1 (fr) 2001-01-10 2002-11-28 Valmet Corporation Systeme de detection de vibrations pour produit en rouleau
DE102005035619A1 (de) 2005-07-29 2007-02-08 Voith Patent Gmbh Verfahren zum Aufwickeln einer Materialbahn und Wickelvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Voith Rollenschneider: Der Schnelle Schnitt", DRIVE&CONTROL, vol. 1, 2004, pages 13 - 15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010004165U1 (de) 2010-03-24 2010-06-24 Metso Paper, Inc. Wickelvorrichtung zum Abwickeln einer Faserbahnrolle
WO2012001211A1 (fr) 2010-06-29 2012-01-05 Metso Paper, Inc. Procédé et système pour déterminer une excentricité

Also Published As

Publication number Publication date
EP2014591A3 (fr) 2009-10-21
DE102007032095A1 (de) 2009-01-15
ATE549282T1 (de) 2012-03-15
EP2014591B1 (fr) 2012-03-14

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