• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a device for winding a fibrous web, in particular an intermediate winder for the fibrous web, wherein the intermediate winder comprises an unwinder (20), a winding axis bearing (25), a spreading roller (21) and a winder (30), and wherein the winder (30) comprises a winding drum (31) for forming a winding roll gap with a machine roll (15) to be wound. The winding drum (31) for the rewinder (30) in the intermediate winder has at least two positions located substantially in the vertical direction, one of which is a winding position in which the winding drum forms a winding nip with the machine reel (15) to be formed.
    公开号:AT511026A2
    申请号:T222012
    申请日:2012-01-11
    公开日:2012-08-15
    发明作者:Jari Tiitta；Teppo Kojo
    申请人:Metso Paper Inc；
    IPC主号:
    专利说明:

    Apparatus and method for winding a fibrous web
    The invention relates to fiber web machines, such as the paper and board machines and in particular the aftertreatment of a fibrous web. More particularly, the invention relates to an intermediate winding for a fibrous web and an intermediate winder for a fibrous web. In particular, the subject of the invention is a device according to the preamble of claim 1 for winding a fibrous web and a method according to the preamble of claim 11 for winding a fibrous web,
    A fibrous web, such as paper or paperboard, is known to be made in machines that together form a manufacturing line for the fibrous web that can be hundreds of meters long. Today's paper machines can produce over 450,000 tons of paper per year. The speed of a paper machine is typically 1,200 to 1,800 m / min and the paper web width can be over 11 meters.
    The production of the fiber web in a production line for the fiber web takes place as a continuous process. The fiber web to be produced in the fiber web machine is wound with a winder around a winding core, that is to say around a spooling roller, as a machine reel whose diameter can exceed 5 m and weight over 160 tons. The purpose of the winding is the conversion of the plan fiber web into a better treated form. In the production of the fiber web, the web of the resulting machine roll has its full width and is even over 100 km long. At a winder positioned in the main machine line, the continuous operation of the fiber web machine is generally interrupted for the first time and transitioned to a periodic operation. It is thus known from the prior art that in fibrous web-winding machines rewinders for winding up a full-width web to be finished by the machine are used as a web roll for a so-called machine roll. A Aufwickler is thus a device that winds up as a continuous fiber web material to be produced in roll form as a machine roll. The machine roll is formed around a spool roller serving as a winding core or around a winding axis, that is, the fiber web located on the machine reel has a beginning and an end. When pressing against each other a winding drum and the web roll to be formed acts in the winder, a nip force, which is generated by a nip load. By adjusting the nip force is intended to keep the nip load and thus the hardness of the machine roll to be formed within desired limits. Known in the art are fiber web winder in which, in order to create the nip contact and maintain the nip force, the fibrous web roll moves as desired as it increases in the horizontal direction. Also known from the prior art are winding machines for the fibrous web, in which for producing the nip contact and
    for maintaining the nip force, the winding drum moves, for example, in the horizontal or vertical direction. Thus, in some rewinders, the nip load adjustment is performed as the machine reel increases by transporting the machine reel / reel drum.
    The production lines for the fiber web also use intermediate winders whose task is to produce a good and continuous machine roll for a next treatment process. The use of intermediate winders is to join a web when web breaks have occurred at earlier stages, to repair holes, to cut off edges to eliminate possible defects and / or to achieve a uniform width for the web, and to join two or more small machine rolls to obtain larger machine rolls. Due to the manner of use, the intermediate winder can be stopped and restarted several times during an intermediate winding of the machine roll. In order for the intermediate winder to keep up with the speed of the production line, the intermediate winder typically operates at a top speed of 2,000 to 2,500 m / min, which is significantly greater than the speed of the fiber web machine. FIGS. 1 and 2 show two different types of intermediate winder according to the prior art. The intermediate winder typically includes an unwinder 20, a
    Edge cutting unit 24 and a winder 30. The machine roll 15 to be treated in the intermediate winder becomes the
    t T44
    Unwinder 20 is transported from where the web W is guided to the edge cutting unit 24 and on to the rewinder 30, which comprises a winding drum 31. The winding axis emptied by the unwinder 20 is lifted by transport means 22 into a winding axis bearing 25 positioned above the intermediate winder, on the rails or equivalent of which the winding axes 10 are transported for reuse on the rewinder 30. In the vicinity of the edge cutting unit 24, an operating platform 26 is arranged, from which the operator can observe the web and carry out assembly, repair and other typical tasks to be performed with the intermediate winder. As is apparent from Figures 1 and 2, the intermediate winder are typically quite high, in which the treatment of the winding axes 10 requires a transport means for transporting the winding axes from the unwinder in the winding axis bearing 25 and of course from the winding axis bearing 25 to the winder. In addition, in the figures, the operator's platform is typically high in the way that when performing maintenance operations, for example, remedial measures, the operator must be in a very uncomfortable posture, even "down-hanging", causing the operator to move Working posture is not ergonomic.
    One of the objects of the invention is to realize an intermediate winder in which the abuses described above are eliminated or at least minimized.
    One of the objects of the invention is also to provide an intermediate winder which does not require much space in the height direction.
    To achieve the objects set forth above and later mentioned is for a device according to the invention mainly characteristic, which is shown in the characterizing part of claim 1. For the method according to the invention is again mainly characteristic, which is shown in the characterizing part of claim 11.
    In an intermediate winder according to the invention, the winding drum has at least two different positions substantially in the vertical direction, wherein the winding takes place at least in one position, that is, in a winding position. Preferably, the winding drum has substantially two positions, the winding position or in the vertical direction, an upper position and a deflection position or in the vertical direction, a lower position. In the winding position, the winding drum is arranged to form a winding nip with the machine roll to be formed. The avoidance position is preferably below the substantially horizontal height level of the unwind height and take-up height in the height direction such that the winding axis can be transported from the winding axis bearing for winding above the winding drum when the winding drum is in the avoidance position.
    According to a preferred application of the invention, the winding is started when the winding drum is in the winding position, and the nip force for winding is adjusted by moving the position of the machine roll by means of the machine roll transport means, for example with a carriage movement. Winder for the machine reel or with a movement of secondary arms for the machine reel, depending on the means of transport for the machine reel to be used. Thus, the winding drum is fixed in the upper position during winding according to the invention and the machine roll moves as the winding progresses. As an alternative, of course, there could be an arrangement in which the machine roll is fixed and the winding drum moves as the diameter increases.
    According to an application of the invention, the winding drum of the empty spool roller deviates in the lower alternative position. This starts the winding from the end of the dry side of the winding drum. The winding could also be started from the end of the wet side (from the inlet side of the web) of the winding drum, but this would require the winding drum to dodge down during winding, which complicates the device.
    In an intermediate winder according to the invention, the winding axis bearing is substantially preferably in the same plane with the down and Aufwickler in the height direction, the winding axis bearing is substantially preferably horizontal.
    According to a preferred application of the invention, the winding axis bearing is integrated in the unwinder and in the winder, whereby a quick change of the machine roll is achieved. Preferably, the winding axles are transported with the trolley from the winding axis bearing, the trolley can also be an integrated dolly, which also serves as a winding carriage. The transports of the winding axes can also be carried out by gravity, whereby the winding axis bearing is slightly inclined from the unwinder to the rewinder.
    The intermediate winder according to the invention is inexpensive because the construction is simple and low in height, because the winding axis bearing together with the unwinder and rewinder is preferably positioned at substantially the same height, thus requiring no means for raising and lowering the winding axes are.
    According to another preferred feature of the invention, a cover angle of the winding drum for the winder on the intermediate winder is large, whereby a high-speed operation is stable, since the web is supported a long distance from the surface of the winding drum in front of the winding nip, and thus its running stable is. With a large cover angle, good adhesion can also be achieved between the web and the winding drum.
    According to another preferred feature of the invention, concrete is used in the body structures, whereby lightweight steel body structures are possible.
    An intermediate winder according to the invention has excellent ergonomics, for example, holes possibly in the web can easily be repaired from both sides and also at both sides of the web. According to one embodiment of the invention, the web winder for finishing the web is provided with an operating platform which is positioned above the introduction of the web after cutting a trim strip beneath the winding axis bearing in applications where the web entrance is above the main floor level of the machine hall. According to a second embodiment of the invention, the operating area is arranged for repairing the web at floor level of the machine shop, whereby the introduction of the web is arranged after trimming the edges to extend at the location of the repair area substantially below the main floor level of the machine shop. Preferably, the operating area is limited with suitable safety fence arrangements. The intermediate winder according to the invention is also safe in a preferred arrangement, since the winding axis bearing is located substantially in the same height direction on a horizontal plane with the unwinder and the winder, whereby the winding axes do not have to be raised or lowered. β - 3 · «· · · * ·» * • · ··· ·· * · *
    In the following, the invention will be described in more detail with reference to the accompanying drawings, in which Fig. 1 schematically shows an intermediate winder according to the prior art, in Fig. 2 schematically a second intermediate winder according to the prior art, in Fig. 3 schematically an application example of an intermediate winder according to the invention is shown, and in Fig. 4 shows schematically a second application example of an intermediate winder according to the invention is shown.
    In the figures, the same reference numerals have been used for corresponding parts and parts compositions, unless otherwise indicated.
    FIGS. 1 and 2 show two different types of intermediate winder according to the prior art. The intermediate winder typically includes an unwinder 20, an edge trimmer unit 24 and a rewinder 30. A machine roll 15 to be processed in the intermediate winder is transported to the unwinder 20 from where the web W is fed to the edge trimmer unit 24 and further to the rewinder 30 comprising a winding drum 31 , The winding axis emptied by the unwinder 20 is lifted with transport means 22 into a winding axis bearing 25 positioned above the intermediate winder, along the rails or equivalent thereof along the winding axes 10 for renewed contact.
    Use be transported on Aufwickler 30. In the vicinity of the edge cutting unit 24, an operating platform 26 is arranged, from which the operator can observe the web and carry out assembly, repair and other typical tasks to be performed with the intermediate winder. As is apparent from Figures 1 and 2, the intermediate winder are typically quite high, in which the treatment of the winding axes 10 requires a transport means for transporting the winding axes from the unwinder in the winding axis bearing 25 and of course from the winding axis bearing 25 to the winder.
    In Fig. 3 is an application example of a second intermediate winder according to the invention is shown schematically.
    The intermediate winder comprises an unwinder 20, an edge cutting unit 24 and a winder 30. A machine roll 15 to be processed in the intermediate winder is transported to the unwinder 20, with which the machine roll 15 is unwound. The web W is guided by the unwinder 20 via a first guide roller 18 to the edge cutting unit 24 and further to a spreading roller 21 and a second guide roller 28 to a winding drum 31 for the winder 30 and by means of a winding roll gap between the winding drum and the new machine roll 15 to be formed wound up as a machine roll 15.
    When the winding of the machine roll 15 is completed in the developer 30, the machine roll 15 is transported away from the winding station by means of a transporting carriage, with transport arms or equivalent, and a new winding axis is produced.
    10 brought to the winding station. During the transport of the winding axle 10, the winding drum 31 is moved to an evasive position, in Fig. 3, the lower, shown with a thicker line position. When the winding shaft 10 is fixed in the winding station, the winding drum 31 is moved to a winding position, in the figure, the upper, shown with a weaker line position. For moving the winding drum 31, in the example of the figure, a transporting carriage 32 is arranged, which moves between the positions on rails or equivalent arranged in the body structures 40 for the winder. As the winding and the increase of the machine roll 15 proceeds, the machine roll 15 is transported to set the nip force in the winding nip and to perform the winding with the dolly, the transfer arms or the like.
    After that shown in the figure, the winding drum 31 moves substantially in the vertical direction and has substantially two positions, the winding position and the avoidance position.
    The winding axle 10 emptied by the unwinder 20 is transported into a winding axle bearing 25, on the rails or equivalent of which the winding axles 10 are transported for reuse at the rewinder 30. The winding axle bearing 25 is integrated according to a preferred feature of the invention as part of the body structures 40 between the unwinder 20 and the winder 30 and formed in the form of rails or corresponding constructions substantially in the same plane -12- with the unwinder 20 and the winder 30 are in the height direction. The winding axis 10 can be transported, for example, with a trolley or equivalent, which can also serve as a winding carriage in the winder. The winding axles 10 can also move by means of gravity in the winding axis bearing 25, whereby the rails or equivalent in the winding axis bearing 25 are slightly inclined in the direction running from the unwinder 20 to the rewinder 30.
    In the vicinity of the edge cutting unit 24, an operating platform 26 is arranged, from which the operator can observe the web and carry out assembly, repair and other typical work to be performed with the intermediate winder.
    As shown in the figure, the insertion of the web W from the edge cutting unit to the spreading roller 21 and guide roller 28 is performed such that the insertion between the spreading roller 21 and the guide roller 28 is near the floor level of the machine hall 50; the distance is, for example, 0 to 500 mm, preferably 150 to 300 mm. The operating platform 26 fits well in the height direction in the area between the winding axis bearing 25 and the spreader roller 21 and the guide roller 28 in the height direction. In this way, the operating platform allows an ergonomic working posture for the worker working on the intermediate winder, for example for repair measures on the upper side of the web. The lower side of the web is recoverable from the floor level 50 at the introduction of the web between the guide roll 18 and the edge cut 24. With 13-:
    By means of the introduction of the web W, blown sheet and support belt introduction means (not shown) can be arranged.
    FIG. 4 schematically shows a second application example of an intermediate winder according to the invention. The intermediate winder comprises an unwinder 20, an edge cutting unit 24 and a winder 30. The machine roll 15 to be processed in the intermediate winder is transported to the unwinder 20, with which the machine roll 15 is unwound. The web W is fed from the unwinder 20 via the first guide roller 18 to the edge cutting unit 24 and further to the spreading roller 21 and via the second guide roller 28 to the winding drum 31 for the winder 30 and by means of the winding roll gap between the winding drum and the new machine roll 15 to be formed as a machine roll 15 wound up.
    When the winding of the machine roll 15 is completed in the Aufwickler 30, the machine roll 15 is transported with a trolley, with transport arms or equivalent from the winding station and a new winding axis 10 is brought into the winding station. For the duration of the transport of the winding axis 10, the winding drum 31 is moved to an evasive position, in Fig. 3, the lower, shown with a thicker line position. When the winding shaft 10 is fixed in the winding station, the winding drum 31 is moved to a winding position, in the figure, the upper, shown with a weaker line position. To move the winding drum 31, in the example of the figure, a transport carriage 32 is arranged, which moves between the positions on rails or the like arranged in body structures 40 for the winder. As the winding and the increase of the machine roll 15 proceeds, the machine roll 15 is transported with the trolley, the transport arms or the like for adjusting the nip force in the winding nip and for performing the winding.
    After that shown in the figure, the winding drum 31 moves substantially in the vertical direction and has substantially two positions, the winding position and the avoidance position.
    The winding axle 10 emptied by the unwinder 20 is transported into a winding axle bearing 25, on the rails or equivalent of which the winding axles 10 are transported for reuse at the rewinder 30. The winding axle bearing 25 is, according to another preferred feature, incorporated as part of the body structures 40 between the unwinder 20 and the winder 30 and formed in the form of rails or corresponding structures extending substantially in the same plane in the height direction with the unwinder 20 and the winder 30 are located. The winding axis 10 can be transported, for example, with a trolley or equivalent, which can also serve as a winding carriage in Aufwickler. The winding axles 10 can also move by means of gravity in the winding axis bearing 25, whereby the rails or equivalent in the winding axis bearing 25 are slightly inclined in the direction running from the unwinder 20 to the rewinder 30.
    In the vicinity of the edge cutting unit 24, in this application example of the invention, an operating area 27 is arranged, from which the operating personnel can observe the web and carry out joining, repairing and other typical tasks to be performed with the intermediate winder. The operation area 27 is an area separated by safety fences or equivalent substantially at the floor level of the machine hall 50.
    As is apparent from Fig. 4, in this application example of the invention, the introduction of the web W of the edge cutting unit 24 to the spreader roller 21 and guide roller 28 is performed in such a way that the introduction between the spreader roller 21 and the guide roller 28 below the floor level of the machine hall 50th is arranged, whereby the operating area 27 in floor level 50 is feasible. For guiding the introduction of the web W and for the introduction, a belt introduction device (s) 29 are arranged. In this way, the operating area 27 allows very easy movement and a very good ergonomic working posture for the worker working on the intermediate winder, for example for repair measures on the upper side of the web. The lower side of the web is recoverable from the floor level 50 at the introduction of the web between the first guide roll 18 and the edge cut 24.
    As is apparent from Figures 3 and 4, according to the invention, the winding drum 31 in the intermediate winder at least two positions substantially in the vertical direction, wherein the winding takes place at least in one position, that is in the winding position. The winding drum 31 preferably has two different positions, the winding position or, in the vertical direction, an upper position in which the winding drum 31 forms a winding nip with the machine roll 15 to be formed, and an evasive position or, in the vertical direction, a lower position which is located in Height direction preferably located substantially below the horizontal height level of the winding axis bearing 25 in such a way that the winding axis 10 can be transported from the winding axis bearing 25 to the winder 30 for winding above the winding drum 31 when the winding drum 31 is in the evasive position. According to a preferred application of the invention, the winding drum 31 deviates in the lower position of the empty winding axis 10. As a result, the winding from the end of the dry side of the winding drum 31 is started. The winding could also be started from the end of the wet side of the winding drum, but the winding drum would have to dodge down during winding, which complicates the device.
    Preferably, the nip force for winding is adjusted by regulating the position of the machine roll 15 by means of transport means for the machine roll 15, for example with a movement of the transport carriage for the machine roll 15 or with a movement of the secondary arms for the machine roll 15, as appropriate used transport means for the machine roll. The trolley -17-:
    can also be integrated and serve as a winding cart as well as a trolley for the winding axis 10 in the winding axis bearing 25.
    As is apparent from Figures 3 and 4, the winding axis bearing 25 is in an intermediate winder according to the invention preferably substantially in the same plane with the unwind and Aufwickler 20, 30 in the height direction and preferably the winding axis bearing 25 is substantially in the horizontal direction and is integrated as part of the intermediate winder body 40 between the unwinder 20 and the winder 30. Preferably, the winding axles 10 are transported with the trolley from the winding axis bearing 25, wherein the trolley can also be an integrated trolley, which also serves as a winding carriage. The transports of the winding axes 10 can also be carried out by means of gravity, whereby the winding axis bearing 25 is inclined slightly in the horizontal direction from the unwinder 20 to the rewinder 30.
    As is apparent from Figures 3 and 4, the introduction of the web W preferably extends from a second guide roller 28 after the spreader roller to the winding drum in a substantially vertical direction, whereby the covering angle of the winding drum 31 for the winder 30 on the intermediate winder, that is the track, the web runs along the surface of the winding drum 31 before the winding nip is large, preferably 100 to 160 degrees.
    In Figures 3 and 4, the body 40 for the -18-:
    Intermediate winder shown schematically. The body 40 is preferably made of concrete, whereby the partially body forming steel body parts, such as transport rails, can be easily realized.
    In the applications shown in Figs. 3 and 4, the web in the intermediate winder is unwound from below in the unwinder 20, but unwinding can also be done easily from the top.
    The invention is described above only with reference to some of its preferred applications, many modifications and variations are possible in the context of the inventive idea. The reference numerals used in the figures:
    winding axis
    machine roll
    guide roll
    liquidator
    spreading roller
    Edge cutting unit
    Winding axle bearings
    operating platform
    operating area
    guide roll
    rewinder
    winding drum
    Carriage body
    Floor height of the machine hall railway
    claims:
    权利要求:
    Claims (15)
    [1]
    20

    Dl DR. FERDINAND GIBLER DR DR. WOLFGANG POTH Austrign and European Patent and Trademark Attorneys GIBLER & POTH PATENTANWÄLTE 33539 / ab Claims 1. Apparatus for winding a fibrous web, in particular intermediate winder for the fibrous web, the intermediate winder comprising an unwinder (20), a winding axis bearing (25), a spreading roller (21) and a rewinder (30), and wherein the rewinder (30) comprises a winding drum (31) for forming a reeling nip with a machine reel (15) to be wound, characterized in that the reeling drum ( 31) for the rewinder (30) in the intermediate winder has at least two positions located substantially in the vertical direction, one of which is a winding position in which the winding drum forms a winding nip with the machine reel (15) to be formed,
    [2]
    2. Apparatus according to claim 1, characterized in that the winding drum (31) for the winder (30) in the intermediate winder has substantially two positions, the winding position or in the vertical direction, an upper position and an alternative position or in the vertical direction, a lower Position. • · · «« 21
    [3]
    3. Apparatus according to claim 2, characterized in that for winding between the winding drum (31) and the machine reel to be formed (15), a nip force is arranged to adjust the position of the machine roll (15) by transporting the machine roll by means of transport.
    [4]
    4. The device according to claim 1, characterized in that the winding axis bearing (25) in the intermediate winder is substantially in the same horizontal plane with the unwinder (20) and the Aufwickler (30) in the vertical direction.
    [5]
    5. Apparatus according to claim 4, characterized in that the winding axis bearing (25) in the unwinder (20) and in the Aufwickler (30) is integrated.
    [6]
    6. Device according to one of claims 4 or 5, characterized in that the winding axis bearing (25) comprises a trolley for transporting winding axles (10).
    [7]
    7. The device according to claim 6, characterized in that the transport vehicle is an integrated transport vehicle, which also serves as a winding carriage for the Aufwickler (30).
    [8]
    8. The device according to claim 1, characterized in that the intermediate winder comprises an operating platform (26), the 22;

    above the introduction of the web {W) is positioned below the winding axis bearing {25) and above the main floor level of the machine shop {50},
    [9]
    9. The device according to claim 1, characterized in that the intermediate winder comprises an operating area (27) in the main floor level of the machine hall, and that the operating area (27) is limited by safety fence assemblies.
    [10]
    10. The device according to claim 1, characterized in that the intermediate winder comprises an edge cutting unit (24).
    [11]
    11. A method of winding a fibrous web, wherein in the process the fibrous web (W) is wound with an intermediate winder and the fibrous web (W) is unwound in the intermediate winder with an unwinder (20), the fibrous web is spread with a spreading roll (21) and the fibrous web (W) is wound by a winding nip between a machine roll formed on a rewinder (30) and a winding drum (31) for the rewinder (30), characterized in that in the method the winding drum (31) is substantially in vertical direction is moved to a winding position and an evasive position.
    [12]
    A method according to claim 11, characterized in that, in the method, a nip force for the winding nip is adjusted by transporting the machine roll 23 (15) as the winding progresses.
    [13]
    13. The method according to claim 11, characterized in that in the process, the unwound (20) unwound fiber web (W) is guided as an introduction in the vertical direction to the winding drum (31) substantially.
    [14]
    14. The method according to claim 11, characterized in that the fibrous web is treated with a manual action performed by a worker, which is performed when the operator is on an operating platform (25) or in an operating area (27).
    [15]
    15. The method according to claim 11, characterized in that the edges of the fiber web (W) in an edge cutting unit (24) are cut off.

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    同族专利:
    公开号 | 公开日
    CN102616598A|2012-08-01|
    DE102011090150A1|2012-08-02|
    AT511026B1|2016-01-15|
    FI20115090A|2012-08-01|
    CN102616598B|2015-07-01|
    AT511026A3|2015-06-15|
    FI20115090A0|2011-01-31|
    FI124956B|2015-04-15|
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    法律状态:
    2018-09-15| MM01| Lapse because of not paying annual fees|Effective date: 20180111 |
    优先权:
    申请号 | 申请日 | 专利标题
    FI20115090A|FI124956B|2011-01-31|2011-01-31|Rolling machine and method of rolling a fiber web|
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