EP1798177A2 - Methode et systéme pour la regulation de bandes et carton ondulé avec bords non travaillés - Google Patents

Methode et systéme pour la regulation de bandes et carton ondulé avec bords non travaillés Download PDF

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Publication number
EP1798177A2
EP1798177A2 EP06023445A EP06023445A EP1798177A2 EP 1798177 A2 EP1798177 A2 EP 1798177A2 EP 06023445 A EP06023445 A EP 06023445A EP 06023445 A EP06023445 A EP 06023445A EP 1798177 A2 EP1798177 A2 EP 1798177A2
Authority
EP
European Patent Office
Prior art keywords
web
attitude
control
detection means
webs
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
EP06023445A
Other languages
German (de)
English (en)
Other versions
EP1798177B1 (fr
EP1798177A3 (fr
Inventor
Thomas Ernst
Harald LÖFFLER
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.)
Texmag GmbH Vertriebsgesellschaft
Original Assignee
Texmag GmbH Vertriebsgesellschaft
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 Texmag GmbH Vertriebsgesellschaft filed Critical Texmag GmbH Vertriebsgesellschaft
Publication of EP1798177A2 publication Critical patent/EP1798177A2/fr
Publication of EP1798177A3 publication Critical patent/EP1798177A3/fr
Application granted granted Critical
Publication of EP1798177B1 publication Critical patent/EP1798177B1/fr
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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2831—Control
    • B31F1/2836—Guiding, e.g. edge alignment; Tensioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web

Definitions

  • the invention relates to a method and a system for position control of one or more webs, in particular paper-like or paperboard-like webs, which is preferably used in the production of corrugated cardboard and corrugated cardboard having a natural edge.
  • Such a system comprises one or more unilateral groups in which a smooth and a corrugated web are joined together.
  • the so assembled webs are called one-sided webs.
  • the web passes through a heating and traction area.
  • the web is dried by the introduction of heat.
  • the corrugated board web is trimmed at the edges and further cut into desired formats as required and transported to a warehouse.
  • the present invention is therefore based on the object to improve the manufacturing accuracy.
  • this object is achieved by a method, a system and a corrugated cardboard according to the independent claims of the invention.
  • Advantageous embodiments are described in the dependent claims.
  • a method for position control of one or more webs is provided, in particular paper-like or paperboard-like webs.
  • Webs may preferably be understood here as paper or paperboard webs but may also be used, for example. Fabric panels, sheets of plastic and sheets of metal.
  • a web may consist of one or more layers of the same or different materials.
  • the method or the system according to the invention can be adapted for those types of webs which occur in the production of corrugated board.
  • the term unilateral web refers to a web consisting of two layers of material, one smooth and the other wavy.
  • the invention in one aspect, is concerned with optimizing the control of webs. Both in the production of a one-sided path, as well as in the merging of several one-sided tracks with a cover sheet, the best possible position control is desirable. The more accurately the webs can be positioned during assembly, especially relative to each other, the less scrap is generated.
  • the invention detects first position information for one or more webs downstream of one or more position-influencing devices by first position-detecting means. Then, control of the web layer (s) is performed by using the downstream detected first attitude information by the attitude control device.
  • the position of a web is used as a reference for controlling the other webs and a respective predetermined size indicates the desired relative position of the respective other web to the one web.
  • the web center and / or one or both web edges can serve in the determination of the web layer.
  • the web center is used to determine the web position and this aligned relative to the machine center.
  • second position information for one or more tracks in the area of the position-influencing devices can be detected by second position detection means. This allows even more precise position control, as there is information about the location where regulation takes place and the location that can be influenced by the regulation. The dynamics of the web can thus be taken into account for its position control.
  • the second position information in particular its change, can be used to control the position-influencing devices of one or more of the remaining tracks, in particular in order to reduce positional shifts of the tracks relative to each other.
  • This allows not only a web to be controlled to a desired position without regard to the other webs, but webs to be aligned with each other.
  • the incorporation of the data obtained downstream can be dispensed with, as a result of which it is possible to realize a more cost-effective, albeit perhaps somewhat inaccurate regulation of the reference trajectory.
  • the relative position of the webs to each other of outstanding importance.
  • the second position information relates to the cover sheet to which the layers of the one or more other webs are regulated.
  • the control can take into account the web speed and the distance that the web to be controlled has to cover between the position-influencing device and the position-determining device.
  • the dead time can be incorporated into the control, whereby the control can be significantly improved in their accuracy.
  • the detection of the first position information by first position detection means can be carried out in the region before the lamination, but behind a bridge, in particular in the region of the preheater or of the gluing unit or directly before the lamination.
  • the position detection thus takes place behind the bridge on which the position-influencing means are arranged.
  • position information downstream is detected only for one lane or for several lanes. The same applies to the regulation of the one or more position-influencing devices.
  • a lane may be controlled either, or optionally, by information obtained downstream thereof, or information from one or more other lanes.
  • the detection of the first position information by first position detection means in the region of the preheater and the detection of third position information by third position detection means in the region of the gluing unit can be undertaken.
  • This information is available on at least two positions of one or more tracks, so that the dynamics of the system can be better taken into account. Consequently, both the first position information and the third position information can be used to control the position-influencing devices.
  • the position-influencing devices are arranged upstream of the region of the preheater, in particular on the bridge.
  • first position detection means are arranged in the region of the merger of two material layers, in particular in the region of a corrugating roller. Then, the position-influencing means or are preferably arranged upstream of a material layer heating and / or material layer moistening.
  • the position of the two layers of material can be optimized for one another, in particular, that they are located centrally above one another or that the edges of one side lie one above the other. This in turn is important for working with natural edge.
  • the control of the web layers preferably controls the position-influencing devices in such a way that the web layers lie flush over one another on one side, in particular so that this side no longer has to be trimmed.
  • optical sensors For position sensing means, optical sensors, cameras, CCD cameras, ultrasonic devices, or piezoelectric elements that work with ultrasound may be used.
  • the invention is used in a corrugated papermaking plant, e.g. in corrugated cardboard plants with one to five one-sided groups.
  • the web width of at least one web is measured at a plurality of positions in the course of the corrugated board production.
  • a position detection means or a separate width measuring device can be used, depending on the respective measuring arrangement.
  • the moisture of the web can be measured.
  • the information obtained Width and humidity are used, for example, to determine a shrinkage factor, ie the ratio of one width to another width, for a specific production section or for the overall process. This information can be used to control humidification for greater process stability.
  • conclusions can be drawn about the determined shrinkage factors on the quality of the base material used.
  • a first web width and / or a first web moisture are measured after unwinding from a supply roll. At this point, the material still has its original width and moisture, it has not been moistened or connected to another track. Thus, the value determined here is used as a reference for the determination of a total shrinkage factor. Since it is possible to measure for each supply roll at such a location, it is advantageous to use the mean value of the widths or moistures thus measured.
  • a second web width and / or a second web moisture can be measured, and in particular the first web widths and second web widths can be used to assess the accuracy of the joining.
  • a web width and / or a web moisture can be measured prior to laminating and / or directly after laminating in front of the heating and drawing section and / or before the first trimming of the web. From this it is possible to determine, in sections, factors which can be used for the control of respective individual processes, such as wetting, drying or heating. From the measurement before the first trimming in combination with the measurements after unwinding, it is possible to calculate factors for the entire process, such as the shrinkage factor of the entire system.
  • the web widths prior to lamination and the web width prior to the first trimming of the web are used to assess the accuracy of the assembly and / or overlay.
  • Another aspect of the invention relates to a Georgia-to-vehicle system having a system shown above, inventive system.
  • the plant for the production of corrugated board may further comprise one or more unilateral groups and / or a heating and traction area and / or a finishing.
  • inventive principles can not only be used for the position control, but they can be used in an analogous manner for the web tension control. All aspects disclosed for attitude control in this specification or claims may be applied to web tension control.
  • the position detection means are replaced by tension detecting means, in particular measuring rollers, or adjusted so that they can detect a web tension.
  • the attitude control devices are replaced or adjusted to affect web tension.
  • the invention detects first web tension information for one or more webs downstream of one or more web tension influencing devices by first web tension detection means. Then, control of the web tension (s) using the downstream detected first web tension information is made by the web tension influencing device.
  • Figure 2 shows a schematic representation of a one-sided group.
  • a corrugated board manufacturing plant there may be one or more such unilateral groups. They are the same from their function and their basic structure.
  • the paper or paper-like starting material is located on supply rolls 1.
  • the supply rolls 1 are always arranged in pairs, wherein the material is unwound from one roll while the other roll is kept in reserve. If the material of a roll is exhausted, it is spliced at the point 2 on the other role, so that the supply of material does not break off. From there, the paper is passed into a first material store 3. Paper is stored here to compensate for the paper feed delay that occurs when splicing to a new roll. To regulate the memory contents in the memory 3, the deflection rollers on the right and left in the memory can be moved towards each other or removed from each other.
  • the paper is guided past a width and / or moisture detection means 10 to the position-influencing device 4.
  • the width and / or humidity detection means 10 detects the values of the paper web in its original state.
  • the paper is passed after the attitude control device 4 over rollers, where it is heated, in particular with rollers, which are fed from the inside with hot water vapor.
  • the paper is moistened on the way, so that it is more malleable and can be easier to connect two layers of paper later.
  • a position detection means 7 and a width and / or moisture detection means 11 are arranged.
  • the position detection means 7 detects the position of the two webs and / or their relative position to each other. This information can be used in various ways for the control of the Lübeein Wegungsvornchtungen 4. So she can e.g.
  • a web is controlled to a predetermined position, wherein the other web is aligned relative to this first web.
  • the web layers are regulated so that the edges of the two tracks on one side are exactly on top of each other.
  • a width and / or moisture detection means 11 is also arranged in the region of the corrugating roller 5.
  • the moistening of the respective web can be readjusted so that constant and controlled conditions prevail during gluing.
  • the generated unilateral web is conveyed to the bridge 8.
  • the so-called bridge stock 9 is arranged. He serves as a reserve for further production.
  • the bridge supply 9 serves as a reserve, so that the manufacturing process can continue at a speed of about 100 to 400 meters per minute.
  • the speed when producing the single-sided sheet is raised to an above-average value in order to replenish the bridge supply 9.
  • a position detection means and / or width and / or moisture detection means 12 is arranged.
  • further data for process monitoring and optimization are gained.
  • information about the bridge supply can be obtained at the same time here.
  • Figure 3 shows a schematic representation of a merge, laminating and a heating and traction area.
  • the position-influencing devices 15, 16 regulate the position of the single-sided webs as well as the required web tension.
  • the cover layer is passed to the position control device 14 via a storage device.
  • a width and / or moisture detection means can be arranged in front of the position-influencing device 14 in order to also detect the width of the cover sheet or its moisture.
  • the webs are passed via a preheater 17 and a gluing unit 19 to the lamination 21, where the webs are joined together.
  • the most accurate positioning of the webs to each other is desirable. Only when the webs are all glued together flush on one side, you can work with natural edge. Alternatively, all tracks can be aligned centrally with each other. critical is, however, that the position of the webs at the location of the lamination 21 is of the utmost importance, with the last position-influencing devices 14, 15, 16 still being placed in front of the pre-heater 17. For structural reasons, these can not be brought closer to the lamination. The last position control option is thus a whole distance from the lamination 21.
  • the invention provides position detection means 18, 20, can be obtained by the information about the web layers in places that are much closer to the crucial laminating. It can be installed as needed only one of the position detection means 18, 20. Thus, e.g. only be measured after Glimtechnik 19 and not all tracks must be measured. The information obtained by the position detection means 18, 20 is used to control the attitude control devices 14, 15, 16.
  • Each lane may be viewed separately and controlled to a particular position, the deviation from that value measured by a position detection means 18, 20 being used as a target value for the control of the attitude-influencing devices 14, 15, 16.
  • a web in particular the cover sheet, serve as a reference. Then the layers of the other webs are controlled relative to this.
  • the information obtained for the reference trajectory can be used to control the other trajectories to track them or to compensate for the dynamics of the reference trajectory.
  • position-influencing devices 4, 14, 15, 16 can themselves be equipped with position detection means.
  • the distance that the lane has to travel between attitude control device 4, 14, 15, 16 and measurement location and the web speed is taken into account.
  • damping can be set.
  • width and / or moisture detection means can be used for the position detection devices 18, 20 additionally or alternatively. In this way, the desired moisture of the webs can be ensured in the lamination 21. In addition, all widths before the lamination 21 can be measured.
  • the web After lamination 21, the web is dried in the heating and drawing area. Circulating belts pull the web through this area, while it is guided past heating elements. By introducing heat, the cardboard is deprived of moisture and dried.
  • Figure 4 is a schematic representation of a finishing process. Behind the heating and traction region 22, a further width and / or moisture detection means 23 is arranged. The measured moisture is used to control the heat energy to be applied in the heating and drawing area 22. The measured width is used to determine a shrinkage factor along with the latitude values measured after unwinding for the entire manufacturing process. This gives information about the quality of the raw material used. In addition, the value measured here can also be used to evaluate, and possibly improve, the positioning of the liner 21. Thus, the cardboard web should not be significantly wider than the single webs at the point of measurement after the heating and traction region 22 the lamination 21. Furthermore, the shrinkage factor of the heating and traction region 22 can be determined.
  • the web is forwarded to the first cropping 24.
  • the edges of the web are trimmed or trimmed.
  • the invention allows working with natural edge, in this case, the corrugated board must be trimmed only on one side.
  • the system according to the invention does not have to be operated with a natural edge.
  • the web is cut in the longitudinal and transverse directions to desired dimensions and passed into a warehouse, which is shown schematically on the right side of Figure 4.
EP06023445A 2005-12-15 2006-11-10 Methode et systéme pour la regulation de bandes et carton ondulé avec bords non travaillés Active EP1798177B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005059970A DE102005059970A1 (de) 2005-12-15 2005-12-15 Verfahren und System zur Lageregelung von Bahnen und Wellpappe mit Naturkante

Publications (3)

Publication Number Publication Date
EP1798177A2 true EP1798177A2 (fr) 2007-06-20
EP1798177A3 EP1798177A3 (fr) 2008-06-11
EP1798177B1 EP1798177B1 (fr) 2010-04-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06023445A Active EP1798177B1 (fr) 2005-12-15 2006-11-10 Methode et systéme pour la regulation de bandes et carton ondulé avec bords non travaillés

Country Status (6)

Country Link
EP (1) EP1798177B1 (fr)
JP (1) JP4568266B2 (fr)
CN (1) CN1990368B (fr)
AT (1) ATE465111T1 (fr)
CA (1) CA2568880A1 (fr)
DE (2) DE102005059970A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012335A1 (fr) * 2008-07-31 2010-02-04 Robert Bosch Gmbh Procédé de modélisation d’un circuit de régulation pour une machine d’usinage
US20100280644A1 (en) * 2009-04-30 2010-11-04 Holger Schnabel Method for determining at least one control parameter of a control element in a web tension control circuit for a processing machine
CN102852027A (zh) * 2012-08-12 2013-01-02 湖北京山轻工机械股份有限公司 带有湿段全自动不停机换单系统的瓦楞纸板生产线
CN105775882A (zh) * 2016-04-27 2016-07-20 昆山巨闳机械科技有限公司 三轴式pp裁切堆叠机
EP2246760B1 (fr) 2009-04-30 2016-10-05 Robert Bosch GmbH Procédé de détermination d'au moins un paramètre de réglage d'une articulation de réglage dans un circuit de réglage de tension de bande pour une machine de traitement

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102275338B (zh) * 2011-08-11 2013-01-09 湖北京山轻工机械股份有限公司 一种带有精确同步走车装置的单面机
JP2013146913A (ja) * 2012-01-19 2013-08-01 Phonic:Kk 段ボールシートの製造方法
FI127659B (fi) * 2014-02-28 2018-11-30 Metso Automation Oy Aaltopahvin säätö- ja valmistuslaitteisto ja säätö- ja valmistusmenetelmä
FI127490B (fi) * 2014-02-28 2018-07-13 Metso Automation Oy Aaltopahvin säätö- ja valmistuslaitteisto sekä säätö- ja valmistusmenetelmä
CN105946292A (zh) * 2016-07-04 2016-09-21 程度远 复式同步节能瓦楞线生产设备
JP2019177652A (ja) * 2018-03-30 2019-10-17 三菱重工機械システム株式会社 段ボールシートの製造装置
DE102022104780A1 (de) 2022-03-01 2023-09-07 Texmag Gmbh Vertriebsgesellschaft Verfahren zur zeitlichen Lageregelung von Bahnen
DE102022208283A1 (de) 2022-08-09 2024-02-15 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Verfahren zur Bearbeitung einer bedruckten Bahn und Anlage hierfür

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Publication number Priority date Publication date Assignee Title
US4288273A (en) 1980-05-12 1981-09-08 Butler Greenwich Inc. Method and apparatus for making corrugated board
US4392910A (en) 1980-10-02 1983-07-12 Rengo Co., Ltd. Web aligning process and apparatus
DE3419524A1 (de) 1984-05-25 1985-11-28 Werner H.K. Peters Maschinenfabrik Gmbh, 2000 Hamburg Vorrichtung zur erfassung und/oder steuerung der kantenlage von papierbahnen in wellpappenmaschinen oder dergleichen

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US2710045A (en) * 1953-02-06 1955-06-07 George W Swift Jr Inc Corrugated paper web guiding and tensioning apparatus

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US4288273A (en) 1980-05-12 1981-09-08 Butler Greenwich Inc. Method and apparatus for making corrugated board
US4392910A (en) 1980-10-02 1983-07-12 Rengo Co., Ltd. Web aligning process and apparatus
DE3419524A1 (de) 1984-05-25 1985-11-28 Werner H.K. Peters Maschinenfabrik Gmbh, 2000 Hamburg Vorrichtung zur erfassung und/oder steuerung der kantenlage von papierbahnen in wellpappenmaschinen oder dergleichen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010012335A1 (fr) * 2008-07-31 2010-02-04 Robert Bosch Gmbh Procédé de modélisation d’un circuit de régulation pour une machine d’usinage
US20100280644A1 (en) * 2009-04-30 2010-11-04 Holger Schnabel Method for determining at least one control parameter of a control element in a web tension control circuit for a processing machine
EP2246760B1 (fr) 2009-04-30 2016-10-05 Robert Bosch GmbH Procédé de détermination d'au moins un paramètre de réglage d'une articulation de réglage dans un circuit de réglage de tension de bande pour une machine de traitement
CN102852027A (zh) * 2012-08-12 2013-01-02 湖北京山轻工机械股份有限公司 带有湿段全自动不停机换单系统的瓦楞纸板生产线
CN102852027B (zh) * 2012-08-12 2014-05-07 湖北京山轻工机械股份有限公司 带有湿段全自动不停机换单系统的瓦楞纸板生产线
CN105775882A (zh) * 2016-04-27 2016-07-20 昆山巨闳机械科技有限公司 三轴式pp裁切堆叠机
CN105775882B (zh) * 2016-04-27 2018-11-13 昆山巨闳机械科技有限公司 三轴式pp裁切堆叠机

Also Published As

Publication number Publication date
JP4568266B2 (ja) 2010-10-27
DE502006006774D1 (de) 2010-06-02
CN1990368A (zh) 2007-07-04
DE102005059970A1 (de) 2007-06-28
ATE465111T1 (de) 2010-05-15
EP1798177B1 (fr) 2010-04-21
JP2007160932A (ja) 2007-06-28
EP1798177A3 (fr) 2008-06-11
CA2568880A1 (fr) 2007-06-15
CN1990368B (zh) 2011-01-19

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