• 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:
    A unrolling station for unrolling a web of material (1), in particular a paper or board web, for the next machine unit (9), for treating the web of material (1) with a primary unroller (2), at least one secondary unroller (3) ) and at least one gluing and cutting device (5), supported by a support, for carrying out the impact joint principle, characterized in that at least one element in the gluing and cutting device (5) intended for impact joining is axial, i.e. perpendicular to the running direction (8) of the web (1), movable away from its support (10, 11) and / or detachable from its support (10, 11) by quick unlocking. In addition, the protection requirements 2-8.
    公开号:FI12773Y1
    申请号:FIU20204062U
    申请日:2018-07-02
    公开日:2020-10-15
    发明作者:Ewald Wetschenbacher；Herbert Illenberger；Ralf-Harald Preising；Matthias Wohlfart
    申请人:Voith Patent Gmbh；
    IPC主号:
    专利说明:

    The invention relates to an unwinding station for unloading a web of material, in particular a paper or board web, for a subsequent machine unit for treating a web of material with a primary unwinder, at least one secondary unwinder and at least one gluing and cutting apparatus on a support. Unrolling stations of the type mentioned here are known. Their function is to continuously unwind the web of material from the winding roll and they are arranged in front of a machine for handling the web of material, for example a coating machine or a calender.
    The known unwinding station comprises a primary and a secondary unwinding roller, the function of which is to control the unwinding roller. The primary winder first controls the full winder during unloading of the web of material. When the desired diameter of the take-up reel is reached, this is transferred from the primary open reel to the secondary open reel.
    A new, full take-up reel is then fed to the primary winder, and a web of material wound on it is joined to a web of material running from the winding roll controlled by the secondary winder before it is completely disassembled. For this purpose, gluing and cutting equipment is provided.
    EP 0 462 157 B1 discloses an apparatus with a device for cutting and holding a running web. The holding web holding device is O-pivotally mounted to press it against a = = 30 replaced full winding roll with a strip of adhesive applied to the beginning of the web. This forms a z-joint in which the end of the end web overlaps the web base of the new winding roll at the sealing point. S This sealing method is usually performed in conjunction with a new N 35 rotating spool and is called S Flying Splice.
    In contrast, DE 43 25 944 A1 and EP 1 163 178 A1 describe a sealing device with a holding device for holding the end of a running web, which is fixedly arranged on the web side of the running web and has two holding elements arranged spaced apart in the direction of travel of the web.
    The function of the web conveying device is to receive the web spool of a full winding roll on its circumference and to transport the web spool back to the area of the holding device.
    To cut the web, a cutting blade is arranged in the groove of the holding device between the two holding elements.
    Arranged on the second side of the web is an up and down movable adhesive strip dispenser with which the adhesive joint strip can be led against the webs.
    As the press piece moves against the holding element, the running web and the beginning of the new web are cut together.
    As a result, the new web end and the new web start are immediately adjacent to each other and can thus be seamlessly connected to each other.
    Such a joint, called a butt splice, without the overlap of the two webs, has the advantage that there is no double web thickness at the joint and no stepping (protrusion) is created at the joint. The protrusion at the sealing point can lead to malfunctions in the following processing machines.
    However, in connection with the butt sealing method, the unloading equipment and the subsequent processing machine are usually stopped.
    The object of the invention is to simplify the maintenance and upkeep of S 30 seasoning and cutting equipment while keeping downtime as short as possible. = According to the invention, the object is achieved in such a way that at least one element of the gluing and cutting device S for butt sealing is displaceable axially, i.e. in a direction perpendicular to the direction of travel of the web, from its support and / or detachable from its support by means of a quick release.
    In this way, this element can be serviced, repaired or replaced even during the operation of the unwinding station, which has a corresponding effect on the downtime of the rather complex gluing and cutting equipment.
    Axial transfer or replacement can then be performed hydraulically, pneumatically, electrically or manually.
    In order to take full advantage of this advantage, at least the entire gluing and cutting equipment for butt sealing should be axially displaceable, i.e. perpendicular to the direction of web travel, removable from its support and / or detachable from its support by means of a quick release.
    In addition, it is advantageous if there is another gluing and cutting device on its own support, the function of which is preferably to implement the flying sealing principle.
    Although the availability of a number of gluing and cutting equipment, especially of various types, entails small additional costs, it considerably widens the possibilities of using the unwinding station.
    The Frila sealing methods also make it possible to adapt to specific operating conditions.
    N In the event of a failure of one gluing and cutting apparatus, this further allows the other to be used, which substantially reduces the downtime of the unwinding station. S In order to allow maintenance of individual gluing and cutting equipment from outside the machine, especially during ongoing operation, the entire S gluing and cutting equipment or at least one S 35 at least one of its elements should be axial, i.e. perpendicular to the direction of web travel. , removable from its support and / or detachable from its support by means of a quick release.
    Using only one secondary opener will significantly reduce costs. In its preferred arrangement between the primary winder and the next machine unit, this also does not prevent a new full take-up reel from being fed to the primary winder.
    The orientation of the unwound web of material is determined in this connection by selecting the direction of rotation of the winding roll in the primary open winder.
    This means that it should be possible to connect the web end of the secondary winder to the web end of the full winding roll of the primary winder, preferably regardless of the current or planned direction of rotation of the primary winder.
    Since space problems can easily arise in connection with the usability of several gluing and cutting devices, several gluing and cutting devices should utilize at least one, preferably several guide rollers together to guide the web.
    In addition, the connection between the webs of material is facilitated if the primary unwinding roller is fixed and the secondary opening roller is mounted to be movable so that the winding roller can be received in the primary unwinding roller. If the web tension is lost, especially when the upper side of the material web points downwards, it is advantageous if at least one web tensioning device for the material web S30 is arranged behind the primary opener. This web tensioning device should preferably = be configured as a blowing element, in particular as a blow box or blowing tube and / or a tensioning roll. S 35 Special advantages arise if the next machine unit is configured as a leveling machine or a coating machine or, in particular, a roller cutter.
    The invention will now be explained in more detail by means of an exemplary embodiment.
    In the accompanying drawing: Fig. 1: shows a schematic partial cross-section of an unwinding station, Fig. 2: shows an unwinding station in connection with a butt sealing according to the butt sealing principle, and Fig. 3: shows an unwinding station in connection with a flying sealing principle.
    The unwinding station described below can be used as the next machine unit 9, in particular in connection with a roll cutter or the like.
    In the unwinding station, the material webs 1 wound on the spool rolls on the spool rolls 7 are connected to each other, i.e. made endless, so that a continuous processing operation is possible - viewed in the direction of travel of the material web 1 - in a roll cutter arranged behind the unwinding station.
    For this purpose, the unwinding station has a primary unwinding roller 2 provided with a winding roller drive, only one secondary opening roller 3 provided with a winding roller drive and two different gluing and cutting devices 5, 6. The working position of the secondary winding roller 3 is then in the direction of between.
    N Unloading begins in the primary opening reel 2, to which N a full winding roller 7 is fed. The tamping roll is then wound on a winding roller 7, the diameter of which can be, for example, at least 3,500 mm. = The primary opening roller 2 and the secondary opening roller 3 are connected to each other by means of a guide mechanism comprising S two parallel and horizontally continuous S 35 continuous slide rails.
    N The primary open roller 2 is fixed, while the> secondary open roller 3 is mounted in one drive.
    to be moved along its guide mechanism from its workstation towards the primary opening roller 2 and again to receive the already largely unwound winding roller 7.
    The spool rollers provided with bearing pins at their ends are then each mounted on the fastening fork of the secondary opening roller 3.
    Figures 2 and 3 show the unwinding station after the secondary unwinding station 3 has received the take-up reel 7 and the primary unwinding station 2 has since received a new, full take-up reel
    7. The full winding roller 7 can then be conveyed to the primary opening reel 2 without having to cross the generally second secondary opening reel 3.
    The direction of rotation of the winding roll 7 in the primary and thus also in the secondary opening winder 3 can then be selected so that the upper side of the material web 1 points downwards or upwards when fed to the next machine unit 9. The material web 1, the upper side of this always at a winding roll 7. The material web 1 by the orientation of koneyksikdssa 9 is particularly important when both sides have different material aaliominaisuudet side and orientation is important for the further processing.
    In contrast to the known solutions, this is possible here in connection with only one secondary opening winder 3, which considerably reduces costs.
    N If the next machine unit 9 is located on the left side of the secondary winder 3, as shown in Figs. 2 S 30 and 3, then clockwise unloading S results in the upper side of the material web 1 = pointing downwards when the next machine unit 9 is reached . When unwinding counterclockwise, the material web 1 S points upwards.
    S 35 The diameter of the winding roll 7 and thus the extent of the unwinding N is determined by a distance sensor.
    When the unwinding of the winding roll 7 of the secondary unwinding roller 3 and thus the diameter reaches a predetermined value, the material web 1 coming from the secondary opening winder 3 is joined and glued together with the new, full winding roll material web 1 of the primary unwinding roller 2 from gluing and cutting equipment 5, using one. In addition, this gluing and cutting apparatus 5, 6 cuts the material web 1 coming from the secondary opening winder 3 in front of the joint.
    After cutting the running web end, in order to wrap the hanging paper tail, the drive of the secondary opening winder 3 then drives the winding roller 7 momentarily against the unwinding direction.
    The gluing and cutting devices 5, 6 known per se and responsible for joining the web ends are located below the primary opening roller 2 and can be vertically adjustable to accommodate the variable diameters of the full winding rollers 7.
    By means of these two gluing and cutting devices 5, 6, different sealing methods can optionally be implemented for connecting the end of the end material web 1 of the secondary opening winder 3 to the web base of the new winding roll 7 of the primary opening winder 2.
    In this respect, Fig. 2 shows a gluing and cutting apparatus N 5 corresponding to a butt sealing method, which is used in particular in connection with heavy paper webs N and which connects the end of the material roll 1 at the end of the winding roll 1 to the new roll of the roll 7 evenly. lira 1 without overlapping. a As shown in Figures 1 and 2, this gluing and cutting device S 35 to 5 (for butt sealing) comprises, as an integral part, a fixed web holding device N with two holding elements 13, 14 arranged in the direction of travel 8 of the web for approx.
    50 mm apart. Each holding element 13, 14 has a holding surface extending transversely over the maximum web width parallel to the material web 1, by means of which the material web 1 can be held.
    The two holding elements 13, 14 are preferably vacuum-suction suction boxes, the wall of which facing the material web 1 has suction openings as a holding surface for sucking and thus holding the material web 1.
    In the area of the web holding device, a cutting and gluing element 4 is arranged on the other side of the material web 1, which is mounted to pivot against the web holding device. The web of material 1 can be cut with a circular blade by means of a carriage of a gluing and cutting element 4, which can be moved transversely to the direction of travel 8 of the web, and glued together by means of an adhesive tape.
    In the space between the two holding elements 13, 14, a second adhesive tape applicator is preferably arranged, which is attached to a carriage mounted transversely movable over the working width. The web end can thus be glued to the web base of the new winding roll on both sides, i.e. on both sides of the web.
    In particular, an additional element in the form of a suction tube is shown, which receives the web of the full winding roll 7 on its circumference and conveys it behind the area of the N web holding device.
    N The butt sealing method is performed substantially when the full winding roller 7 is at a stop 3 and is possible regardless of the planned opening = winding direction of the winding roller 7.
    a In contrast, Figures 1 and 3 show the gluing and S 35 cutting apparatus 6 corresponding to the S flying sealing method.
    8 D
    This gluing and cutting apparatus 6 of the unwinding station (for flying sealing) comprises a gluing carriage in which the gluing roller is attached.
    A cutter is also attached to the gluing carriage, which preferably has a cutting blade with teeth.
    As shown in Fig. 3, to join the two web ends, glue is applied to the full and rotating winding rolls 7, the material web 1 of the secondary winder 3 is pressed against the full winding roll 7 and the material web 1 is cut between the gluing point and the secondary winder 3.
    Figure 3 shows a preferred unwinding mate- riaalirainan one upper side facing upwards.
    Since no additional web tension problems are expected here, the sealing method can be performed at a rotation speed of the full winding roller 7 of the primary unwinder 2, which is 0.1 to 4 m / s.
    As shown in Fig. 1, the unwinding station has a bracket 10 for attaching the gluing and cutting apparatus 5 to implement the butt sealing principle and a second bracket 11 for attaching the gluing and cutting apparatus 6 to implement the flying sealing principle to enable both sealing methods.
    The unwinding station according to the invention thus allows the selection of the most suitable N sealing method for the machine and / or the material web 1.
    N Commissioning can thus also be carried out with only one gluing and cutting device S 5, 6 and retrofitting can be carried out later. = In the event of failure or maintenance of one gluing and cutting device 5, 6a, S can still be used in each case, which shortens the downtime S 35 and considerably.
    N In order to facilitate and enable the maintenance and repair of the gluing and cutting equipment 5, 6,
    Even during operation of the machine, at least the essential elements of the two gluing and cutting devices 5, 6 can be moved axially, i.e. perpendicular to the direction of travel 8 of the web, away from their support 10, 11 and thus out of the danger area of the unwinding station.
    Because the gluing and cutting equipment 5, especially for butt sealing, has demanding components, it quite often requires maintenance and repair. In addition to this, the necessary adhesive tape changes will be made in any case.
    In order to minimize costs, both gluing and cutting devices 5, 6 utilize several guide rollers 12 together to guide the web.
    Two winding roller drive devices are arranged on different sides of the machine in order to simplify the transfer of the already largely unwound winding roller 7 to the secondary winder 3. More specifically, the larger drive of the primary winder 2 for the full winding roller 7 is located on the machine side and the smaller drive located on the operating side of the machine to which the user has access.
    In this case, it is essential that the drive of the secondary winder 3 remains connected to the take-up reel 7 from the reception until the end of the unloading, i.e. the winding station manages with two drives. In addition, the larger drive of the primary opening roller 2 is N fixed and only the smaller drive is movable N, which simplifies the structure.
    S 30 The speed difference is controlled throughout the process, S which prevents winding errors.
    = a OF S
    S 8 D
    权利要求:
    Claims (8)
    [1]
    An unwinding station for unloading a web of material (1), in particular a paper or board web, for a subsequent machine unit (9) for treating the web of material (1) with a primary open roll (2), at least one secondary open roll (3) and at least one support gluing and cutting device to implement the butt sealing principle, characterized in that at least one element of the gluing and cutting device (5) for butt sealing is displaceable axially, i.e. in a direction perpendicular to the direction of travel (8) of the web (1), away from its support (10, 11 ) and / or detachable from its holder by means of a quick-release lock (10, 11).
    [2]
    Unrolling station according to Claim 1, characterized in that at least the gluing and cutting device (5) for butt sealing can be moved axially, i.e. in a direction perpendicular to the direction of travel (8) of the web (1), away from its support (10, 11). ) and / or detachable from its holder by means of a quick-release lock (10, 11).
    [3]
    Unrolling station according to protection claim 1 or 2, characterized in that a second gluing and cutting device (6) is provided, resting on its own support, the function of which is preferably to implement the flying sealing principle.
    [4]
    o 4. A winding device according to one of the preceding protection requirements O, characterized in that the entire O gluing and cutting device (5, 6) or at least one of its elements is axially, O i.e. perpendicular to the direction of travel of the web (1) z (8), movable away from its support (10, N 11) and / or detachable from its support (10, 11) by means of a quick-release lock.
    [5]
    N 35 5. An unwinding station according to one of the preceding protection requirements S, characterized in that it has only one secondary unwinding roller (3).
    [6]
    Opening station according to one of Claims 3 to 5, characterized in that a plurality of gluing and cutting devices (5, 6) utilize at least one guide roller (12) together for guiding the web.
    [7]
    Unwinding station according to one of the preceding protection claims, characterized in that the primary unwinding roller (2) is fixed and the secondary unwinding roller (3) is mounted to be movable so that the take-up reel (7) can be received in the primary unwinding roller (2).
    [8]
    Unrolling station according to one of the preceding protection requirements, characterized in that the next machine unit (9) in the direction of travel (8) of the web is configured as a leveling device or a coating machine or, in particular, a roll cutter.
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    类似技术:
    公开号 | 公开日 | 专利标题
    FI77433C|1989-03-10|UPPRULLNINGSMASKIN FOER BANOR, SAERSKILT PAPPERSBANOR.
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    同族专利:
    公开号 | 公开日
    DE102017124246B4|2020-10-01|
    CN214383597U|2021-10-12|
    WO2019076496A1|2019-04-25|
    DE102017124246A1|2019-04-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR2618769B1|1987-07-29|1990-10-12|Monomatic Sa|TAPE UNWINDING MACHINE COMPRISING REEL HOLDERS|
    DE3907136A1|1989-03-06|1990-09-13|Jagenberg Ag|DEVICE FOR JOINING MATERIAL RAILS|
    DE4325944A1|1993-08-03|1995-02-09|Focke & Co|Method and device for connecting material webs, in particular made of packaging material|
    AT252044T|1999-03-24|2003-11-15|Voith Paper Patent Gmbh|DEVICE FOR JOINING MATERIAL RAILS|
    FI119634B|2006-11-10|2009-01-30|Metso Paper Inc|Method in a continuously operating machine for unwinding a fiber web, in particular a paper or cardboard web, and a continuously operating unwinding machine for a fiber web, in particular a paper or cardboard web|
    ITUA20162470A1|2016-04-11|2017-10-11|Guangdong Fosber Intelligent Equipment Co Ltd|JUNCTION MATERIAL OF JUNCTION MATERIALS, UNWINDER UNDERSTANDING THE JUNCTION DEVICE, AND OPERATING METHOD|
    法律状态:
    2020-09-25| FGU| Utility model registered|Ref document number: 12773 Country of ref document: FI Kind code of ref document: U1 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102017124246.5A|DE102017124246B4|2017-10-18|2017-10-18|Unwind station|
    PCT/EP2018/067756|WO2019076496A1|2017-10-18|2018-07-02|Unwinding station|
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