EP3315439B1 - Splice assembly - Google Patents

Splice assembly Download PDF

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Publication number
EP3315439B1
EP3315439B1 EP17195594.1A EP17195594A EP3315439B1 EP 3315439 B1 EP3315439 B1 EP 3315439B1 EP 17195594 A EP17195594 A EP 17195594A EP 3315439 B1 EP3315439 B1 EP 3315439B1
Authority
EP
European Patent Office
Prior art keywords
material web
finite
threading
threaded
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17195594.1A
Other languages
German (de)
French (fr)
Other versions
EP3315439A1 (en
Inventor
Thomas Reichl
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau 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 BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP3315439A1 publication Critical patent/EP3315439A1/en
Application granted granted Critical
Publication of EP3315439B1 publication Critical patent/EP3315439B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805Flying splicing, i.e. the expiring web moving during splicing contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/005Dispensers, i.e. machines for unwinding only parts of web roll
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/102Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857Support arrangement of web rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20Cutting-off the expiring web
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H21/00Apparatus for splicing webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/46Splicing
    • B65H2301/4601Splicing special splicing features or applications
    • B65H2301/46017Splicing special splicing features or applications involving several layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/46Splicing
    • B65H2301/461Processing webs in splicing process
    • B65H2301/4615Processing webs in splicing process after splicing
    • B65H2301/4617Processing webs in splicing process after splicing cutting webs in splicing process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/46Splicing
    • B65H2301/463Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4634Heat seal splice
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/50Auxiliary process performed during handling process
    • B65H2301/52Auxiliary process performed during handling process for starting
    • B65H2301/522Threading web into machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00Power transmission; Driving means
    • B65H2403/90Machine drive
    • B65H2403/94Other features of machine drive
    • B65H2403/941Manually powered handling device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2407/00Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
    • B65H2407/10Safety means, e.g. for preventing injuries or illegal operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/11Dimensional aspect of article or web
    • B65H2701/113Size
    • B65H2701/1133Size of webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/17Nature of material
    • B65H2701/176Cardboard
    • B65H2701/1762Corrugated

Definitions

  • the invention relates to a splicing arrangement for splicing material webs according to the preamble of claim 1. Furthermore, the invention is directed to a method for splicing material webs.
  • splicing arrangements connect an ending, finite material web with a new finite material web, so that a virtually endless material web is created. This process is referred to in technical terms as splicing or splicing and a corresponding arrangement as a splice or splicing arrangement.
  • the use of such splicing arrangements is not always optimal. Difficulties often arise, especially during commissioning. Commissioning requires experience with appropriate splice arrangements.
  • the US 2001/0035248 A1 discloses a generic splicing arrangement. From the US 6 451 145 B1 , EP 0 341 605 A2 and EP 0 453 727 A2 further splicing arrangements of the prior art are known.
  • the invention has for its object to provide a splicing arrangement that is particularly easy to use.
  • a splicing arrangement is to be created which allows particularly user-friendly and trouble-free commissioning.
  • a corresponding procedure is also to be created.
  • the essence of the invention lies in a material web threading-in assistance arrangement which acts as an aid or support in threading a new finite material web to be threaded into the splicing arrangement for starting it up. This enables particularly precise threading.
  • the finite material web to be threaded forms, for example, a cover web, laminating web, intermediate web, in particular a corrugated cardboard web.
  • the at least one conveying device conveys the finite material web to be threaded in a threading direction through the splicing arrangement.
  • the finite material web to be threaded rests, at least in some areas, directly or indirectly, on the at least one conveying device for conveying it.
  • the at least one conveying device can preferably be driven in rotation. It is preferably formed by a conveyor roller arrangement. Alternatively, this is formed, for example, by a conveyor belt arrangement.
  • the at least one conveying device extends perpendicular to the threading direction and has a width perpendicular to the threading direction that corresponds at least to the width of the finite material web to be threaded perpendicular to the threading direction.
  • the conveyor device drive device drives the at least one conveyor device accordingly. It is in direct or indirect drive connection with the at least one conveyor.
  • the conveyor device drive device advantageously comprises at least one drive, in particular an electric drive.
  • the threading direction suitably corresponds to the conveying direction of the endless material web when it is normally conveyed by the splicing arrangement for producing a multi-layer web, in particular corrugated cardboard web.
  • the at least one conveying device conveys the threaded finite material web in the threading direction. There is then no slippage or no significant slippage between the at least one conveyor device and the threaded finite material web.
  • the threaded finite material web is at least partially fixed to the at least one conveying device and is thus conveyed in the threading direction due to the existing frictional force between the threaded finite material web and the at least one conveying device, which is extremely user-friendly.
  • the threaded finite material web then lifts at least in regions from the at least one conveying device, for example to form a loop, which is due to the reduced frictional force between the threaded finite material web and the at least one conveying device.
  • the frictional force between the threaded finite material web and the at least one conveying device is less, preferably substantially less, when there is insufficient tension on the threaded finite material web than when the tensile force is exerted.
  • the threaded and finite material web can thus be adjusted or corrected in particular in its position and / or orientation.
  • the threaded finite material web can be positioned particularly easily and well in the splice arrangement.
  • the material web threading assistant arrangement is arranged adjacent to a material web outlet of the splicing arrangement.
  • the first dispensing device is preferably designed as a first unrolling device for unrolling a finite first material web from a first material roll.
  • the second delivery device is advantageously designed as a second unrolling device for unrolling a finite second material web from a second material roll.
  • Other training courses are alternatively possible.
  • the connecting device has a first preparation device, a second preparation device, a first connecting device for connecting a web end of the finite first material web to a web start of the finite second material web, a second connecting device for connecting a web end of the finite second material web with a web start of the finite comprises first material web and a table device for cooperation with the preparation devices and the connecting devices.
  • the splicing arrangement also has a storage trolley which runs along a storage trolley path or guide, in particular due to a change in the web tension is shiftable. It is advantageous if a respective position of the storage trolley influences an amount of storage of the stored endless material web in the splice arrangement.
  • the storage quantity of the endless material web in the splice arrangement can preferably be increased or reduced by moving the storage carriage. An uninterrupted conveying of the endless material web is possible.
  • the splicing arrangement preferably has an electrical or electronic control unit which, among other things, is in signal connection with the material web threading assistance arrangement for actuating the conveying device drive device.
  • the at least one conveying device promotes the finite material web to be threaded at a threading speed that is between 5 m / s and 15 m / s. It is advantageous if the threading speed of the finite material web to be threaded is at most 10%, preferably at most 5%, more preferably at most 3%, of the conveying speed of the endless material web of the splicing arrangement for producing a multi-layer web, in particular corrugated cardboard web, or a line speed of a corrugated cardboard system.
  • the material web threading assistance arrangement or the conveying device drive device is for the threading process manually operable. Manual operation is carried out by an operator, for example, by pressing a button, switch or the like.
  • the configuration according to subclaim 4 leads to a particularly safe splicing arrangement. Damage or dangers to the material web threading assistance arrangement and / or the storage trolley can thus be effectively prevented.
  • the minimum safety distance is advantageously 100 mm, more preferably 120 mm. This can be checked, for example, by a corresponding monitoring arrangement, such as a sensor or camera arrangement.
  • the configuration according to subclaim 5 enables a particularly functionally reliable threading of the finite material web to be threaded.
  • the material web threading assistance arrangement and a storage carriage of the splicing arrangement are arranged adjacent to one another during the threading process.
  • the storage amount of the stored endless material web is then advantageously minimal.
  • the storage trolley and the material web threading assistance arrangement are then advantageously arranged adjacent to a material web outlet of the splicing arrangement.
  • the setpoint torque according to subclaim 8 preferably corresponds to a setpoint specification by a control unit. It is expedient if the control unit is designed as a control and / or regulating unit.
  • the control unit is preferably in signal connection with the monitoring arrangement.
  • the at least one protective element according to subclaim 10 effectively prevents injuries to an operator. It is preferably designed as a profile part. It is advantageous if the at least one protective element extends across the entire width of the material web threading assistance arrangement perpendicular to the threading direction.
  • the splicing arrangement according to subclaim 11 permits a particularly functionally reliable conveying or setting in motion of the finite material web to be threaded.
  • the at least one conveyor device has a corresponding outer or peripheral coating, for example a corresponding hard ceramic coating, in particular a tungsten carbide coating.
  • the splicing arrangement according to subclaim 12 also enables a particularly functionally reliable conveyance of the finite material web to be threaded.
  • the at least one conveyor roller can preferably be driven in rotation for the threading process.
  • the conveyor rollers are advantageously arranged adjacent to one another. They are preferably arranged at a distance from one another to form a conveying gap and preferably extend parallel to one another.
  • the coupling arrangement is advantageously part of the conveyor drive device. It is expediently formed by a gear, in particular a gear transmission, preferably a spur gear.
  • the splicing arrangement is advantageously part of a corrugated cardboard system. Such a corrugated cardboard plant preferably has several of the splicing arrangements. It is expedient if the corrugated cardboard plant has at least one corrugated cardboard production device for producing at least one continuous corrugated cardboard web that is laminated on one side. It is advantageous if such a corrugated cardboard system further comprises a connecting device for connecting the at least one continuous corrugated cardboard web, which is laminated on one side, to an endless laminating web, forming an at least three-layer endless corrugated cardboard web.
  • the corrugated cardboard plant advantageously has a cutting device for producing corrugated cardboard sheets from the at least three-layer, endless corrugated cardboard web. It is advantageous if the at least one cutting device is followed by a stacking device for stacking the corrugated cardboard sheets.
  • the corrugated cardboard plant is, for example, capable of producing three-layer, five-layer, ... corrugated cardboard sheets.
  • Subclaims 2 to 13 preferably also relate to advantageous developments of independent claim 14.
  • a corrugated cardboard system comprises a corrugated cardboard manufacturing device 1 for producing an endless corrugated cardboard web 2 laminated on one side.
  • a corrugated board splicing arrangement 3 and an intermediate web splicing arrangement 4 are arranged upstream of the corrugated cardboard manufacturing device 1.
  • the cover sheet splicing arrangement 3 comprises a first unwinding device 7 for unrolling a finite first cover sheet 5 from a first cover sheet roll 6 and a second unwinding device 10 for unrolling a finite second cover sheet 8 from a second cover sheet roll 9
  • the first cover sheet 5 and the finite cover sheet 8 are connected to one another to provide an endless cover sheet 11 by means of a connecting and cutting device 12 of the cover sheet splicing arrangement 3.
  • the intermediate web splicing arrangement 4 is designed in accordance with the cover web splicing arrangement 3. This comprises a third unwinding device 15 for unrolling a finite first intermediate web 13 from a first intermediate web reel 14 and a fourth unwinding device 18 for unrolling a finite second intermediate web 16 from a second intermediate web reel 17.
  • the finite first intermediate web 13 and the finite second intermediate web 16 are provided an endless intermediate web 19 connected to one another by means of a connecting and cutting device, not shown, of the intermediate web splicing arrangement 4.
  • the endless cover web 11 is fed to the corrugated cardboard manufacturing device 1 via a heating device 20 and a deflection roller arrangement 21 and a first web tensioning device 22, while the endless intermediate web 19 is fed to the corrugated board manufacturing device 1 via a second web tensioning device 23.
  • the corrugated cardboard manufacturing device 1 comprises a corrugated roller arrangement with a first corrugated roller 24 and a second corrugated roller 25 for producing a corrugated, continuous corrugated web from the endless intermediate web 19.
  • the corrugated rollers 24, 25 form a nip for carrying out and corrugating the endless intermediate web 19 .
  • the axes of rotation of the corrugated rollers 24, 25 run parallel to one another.
  • the corrugated cardboard manufacturing device 1 has a glue application device 26, which advantageously comprises a glue metering roller, a glue container and a glue application roller.
  • a glue application roller forms a glue gap with the first corrugating roller 24.
  • the glue in the glue container is applied to the corrugation of the endless corrugated web 19 via the glue application roller.
  • the glue metering roller bears against the glue application roller and serves to form a uniform layer of glue on the glue application roller.
  • the endless cover sheet 11 is then joined together with the endless intermediate sheet 19 provided with glue from the glue container in the corrugated cardboard manufacturing device 1 for producing the continuous corrugated cardboard sheet 2 laminated on one side.
  • the corrugated cardboard manufacturing device 1 has a pressing module 27.
  • the pressing module 27 is advantageously designed as a pressing belt module. It is arranged above the first corrugating roller 24. It has at least two pressure deflection rollers and an endless pressure belt that is guided around the pressure deflection rollers.
  • the first corrugation roller 24 engages in a space between two outer pressure deflection rollers of the pressure belt module 27 in regions from below, whereby the pressure belt is deflected by the first corrugation roller 24.
  • the pressure belt presses against the endless cover sheet 11, which in turn is pressed against the endless corrugated sheet 19 provided with glue and abutting the first corrugating roller 24.
  • the latter is fed via a high-transport device 28 to a storage device 29 of the corrugated cardboard system, where it forms loops.
  • the corrugated cardboard system also comprises a laminating web splicing arrangement 30 which is designed in accordance with the cover web splicing arrangement 3 or the intermediate web splicing arrangement 4.
  • the liner web splicing arrangement 30 has a fifth unwind device 33 for unrolling a finite first liner web 31 from a first liner web roll 32 and a sixth unroll device 36 for unrolling a finite second liner web 34 from a second liner web roll 35.
  • the finite first liner web 31 and the finite second liner web 34 are connected to one another by means of a connecting and cutting device of the liner web splicing arrangement 30 in order to provide an endless liner web.
  • the corrugated cardboard system Downstream of the storage device 29 and the laminating web splicing arrangement 30, the corrugated cardboard system has a preheating device (not shown) which comprises two preheating rollers arranged one above the other.
  • the preheating device is fed with the one-sided laminated, endless corrugated cardboard web 2 and the endless laminating web, which loop around the circumferential side of the respective preheating roller.
  • the corrugated cardboard plant Downstream of the preheating device, the corrugated cardboard plant has a gluing unit (not shown) with a gluing roller which is partially immersed in a glue bath. There is a glue metering roller on the gluing roller in order to form a uniform layer of glue on the gluing roller.
  • the one-sided laminated, endless corrugated cardboard web 2 is located with its corrugated web 19 in contact with the gluing roller, so that the corrugation of this corrugated web 19 is provided with glue from the glue bath.
  • the corrugated cardboard system Downstream of the glue unit, the corrugated cardboard system has a heating pressure device (not shown) which comprises a horizontally running heating table. An endless pressure belt guided around guide rollers is arranged adjacent to the heating table. A pressure gap is formed between the pressure belt and the heating table, through which the corrugated cardboard web 2 laminated on one side and the endless laminating web are guided to form an endless, three-layer corrugated cardboard web (not shown).
  • a heating pressure device (not shown) which comprises a horizontally running heating table.
  • An endless pressure belt guided around guide rollers is arranged adjacent to the heating table.
  • a pressure gap is formed between the pressure belt and the heating table, through which the corrugated cardboard web 2 laminated on one side and the endless laminating web are guided to form an endless, three-layer corrugated cardboard web (not shown).
  • the corrugated cardboard system Downstream of the heating pressure device, the corrugated cardboard system preferably has a short cross-cutting device (not shown), which is used to cut out scrap from the endless, three-layer corrugated cardboard web.
  • the corrugated cardboard system Downstream of the short cross-cutting device, the corrugated cardboard system has a longitudinal cutting / creasing device (not shown) for longitudinally cutting and creasing the endless, three-layer corrugated cardboard web.
  • endless partial webs can be produced from the endless, three-layer corrugated cardboard web, which initially still run side by side.
  • the corrugated cardboard plant Downstream of the slitter / scoring device, the corrugated cardboard plant has a switch (not shown) in order to convey the partial webs to different levels.
  • the corrugated cardboard plant Downstream of the switch, the corrugated cardboard plant has a cross cutting device (not shown) with cross cutting devices arranged one above the other.
  • the cross cutting devices produce corrugated cardboard sheets from the partial webs.
  • the corrugated cardboard system Downstream of the cross-cutting devices, the corrugated cardboard system has a stacking device (not shown) which stacks the corrugated cardboard sheets.
  • the finite first cover web 5 is fed via a first feed roller 37 to the connecting and cutting device 12 of the cover web splicing arrangement 3, while the finite second material web 8 is fed via a second feed roller 38 to this connecting and cutting device 12.
  • Each feed roller 37, 38 is rotatably mounted on a first or second support arm 39, 40, which is pivotably arranged on a base frame carrier 41 of the cover sheet splicing arrangement 3 above the respective cover sheet roll 6 or 9 for tensioning the respective finite cover sheet 5, 8.
  • the base frame support 41 is arranged on an end region of a base frame stand 43 opposite a base frame base 42.
  • the base frame carrier 41 runs essentially parallel to a floor and horizontally.
  • the connecting and cutting device 12 of the cover sheet splicing arrangement 3 serves to produce the endless cover sheet 11 from the finite cover sheets 5, 8. It comprises a first preparation device 44, a second preparation device 45, a first connecting device 46, a second connecting device 47 and a table device 48 and a guide 49.
  • the first preparation device 44 is in accordance with FIG Fig. 1 , 2nd , 4th and 5 in the base frame carrier 41 in an area above the first cover sheet roll 6, while the second preparation device 45 is located in the area of the second cover sheet roll 9 above the same in the base frame support 41.
  • the guide 49 runs straight in / on the base frame support 41 and parallel to the floor, the preparation devices 44, 45 being displaceable along the guide 49.
  • the table device 48 can also be moved along the guide 49. It is arranged between the two preparation devices 44, 45. The preparation devices 44, 45 and the table device 48 can be displaced along the guide 49 and relative to the connecting devices 46, 47.
  • the connecting devices 46, 47 are arranged at a distance from one another along the guide 49. They are arranged on the base frame support 41 above the guide 49.
  • the preparation devices 44, 45 are constructed identically and are arranged symmetrically with respect to a vertically running plane of symmetry.
  • the first preparation device 44 has a rotatably mounted first transport or holding roller 50 for feeding the finite first cover web 5 and, for example, for cross cutting the supplied finite first cover web 5, a first cross cutting unit 51.
  • the second preparation device 45 has a rotatably mounted second transport or holding roller 52 for feeding the finite second cover web 8 and a second cross-cutting unit 53, for example for cross cutting the finite second material web 8.
  • Each preparation device 44, 45 has its own first or second displacement drive for its displacement along the guide 49.
  • the connecting devices 46, 47 are of identical design and are arranged symmetrically on the base frame carrier 41 with respect to a vertically running plane of symmetry.
  • the first connecting device 46 comprises a first cutting unit 54 for cutting the finite first cover sheet 5 before connecting to the finite second cover sheet 8 and a first pressure roller 55 for connecting the finite cover sheets 5, 8 to the endless cover sheet 11.
  • the first cutting unit 54 and the first pressure roller 55 are arranged directly adjacent to the guide 49 on the base frame carrier 41 such that the transport or holding rollers 50, 52 of the preparation devices 44, 45 and the table device 48 can be guided past the first connecting device 46 along the guide 49.
  • the first pressure roller 55 forms a connecting gap with the latter for carrying out the connecting finite cover sheets 5, 8 and an adhesive tape which has been previously attached by hand at a beginning of the sheet of the finite second cover sheet 8 for connection to the finite first cover sheet 5 or the endless cover sheet 11.
  • the second connecting device 47 comprises a second cutting unit 56 for cutting the finite second cover web 8 before the connection to the finite first cover web 5 and a second pressure roller 57 for connecting the finite cover webs 5, 8 to the endless cover web 11 second pressure roller 57 are arranged directly adjacent to the guide 49 on the base frame support 41 such that the transport or holding rollers 50, 52 of the preparation devices 44, 45 and the table device 48 can be guided past the second connecting device 47 along the guide 49.
  • the second pressure roller 57 forms a connecting gap with the latter for the connection of the connecting finite cover webs 5, 8 and an adhesive tape, which in front of it manually connects the finite first cover web 5 for connection with the finite second cover sheet 8 or the endless cover sheet 11 has been attached.
  • the table device 48 interacts with the first preparation device 46, the second preparation device 47, the first connecting device 46 and the second connecting device 47 and, in particular also independently of these, can be displaced along the guide 49.
  • the connecting and cutting device 12 is arranged in the conveying direction 58 of the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8, a material web threading assistance arrangement 59, which is arranged essentially above the second support arm 40 on the base frame carrier 41 is.
  • the material web threading assistance arrangement 59 comprises two mutually opposite frame walls 60 which are fastened to the base frame carrier 41.
  • the material web threading-in assistance arrangement 59 has a first conveyor roller 61 and a second conveyor roller 62, which are rotatably supported in the frame walls 60.
  • the conveyor rollers 61, 62 are identical and run parallel to one another. They extend perpendicular to the conveying direction 58.
  • the conveying rollers 61, 62 have a tungsten carbide coating on the circumference. They form funding institutions.
  • the conveyor rollers 61, 62 together form a conveyor gap 63 through which the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8 runs.
  • the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8 is adjacent to the conveyor gap 63 on the conveyor rollers 61, 62.
  • the conveyor rollers 61, 62 do not exert any pressing force on the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8.
  • the material web threading assistance arrangement 59 further comprises two conveyor roller drives 64, which form a drive device and each have a drive shaft 65.
  • Each conveyor roller drive 64 is fastened on the inside to one of the frame walls 60.
  • the drive shafts 65 are aligned with one another and run parallel to the conveyor rollers 61, 62.
  • a drive pinion 66 is arranged on each drive shaft 65 in a rotationally fixed manner.
  • Each drive pinion 66 meshes to form, in particular to form a helical, spur gear with a coupling gear 67 which is rotatably mounted on the respective frame wall 60.
  • first drive gear wheels 68 are arranged in a rotationally fixed manner at opposite ends.
  • second drive gears 69 are arranged in a rotationally fixed manner at opposite ends.
  • the drive gears 68, 69 are identical.
  • Each coupling gear 67 meshes with a second drive gear 69 to form, in particular with the formation of a helical spur gear, which in turn meshes with a first drive gear 68 to form, in particular with the formation of a helical, spur gear.
  • the conveyor rollers 61, 62 are thus coupled to one another and can be driven in opposite directions.
  • the material web threading assistance arrangement 59 has two gear-type coupling arrangements. Each coupling arrangement is located adjacent to and on the outside of a frame wall 60. Each coupling arrangement is formed by a drive pinion 66, a coupling gear 67 and a first drive gear 68 and a second drive gear 69, which mesh with one another. Any coupling arrangement is accommodated in a protective screen 70 which is fastened on the outside to the adjacent frame wall 60.
  • the material web threading assistance arrangement 59 also has a first mudguard element 71, which extends over the first conveyor roller 61 and the conveyor gap 63.
  • the first fender element 71 runs along the entire first conveyor roller 61.
  • a second fender element 72 of the material web threading assistance arrangement 59 extends under the second conveyor roller 62 and also covers a region of the second conveyor roller 62 facing away from the first conveyor roller 61. It extends along the entire second conveyor roller 62.
  • a speed sensor 73 is assigned to each conveyor roller drive 64. Each speed sensor 73 is able to detect the currently prevailing speed of the conveyor roller drive 64, in particular of its drive shaft 65. Each speed sensor 73 is in signal connection with an electronic control unit 74, which comprises a setpoint specification unit 75 for specifying setpoints, in particular for the respective conveyor roller drive 64.
  • a first deflection roller 75 which is rotatably mounted on a storage carriage 76, is arranged downstream of the material web threading assistance arrangement 59 with respect to the conveying direction 58.
  • the storage trolley 76 is arranged in the region of an upper end of the base frame support 41 facing away from the base frame stand 43 in the cover sheet splice arrangement 3 and can be displaced along a storage carriage guide 77 which extends parallel to the floor and above the guide 49 in the cover sheet splice arrangement 3 .
  • the storage carriage guide 77 specifies a displacement path for the storage carriage 76 and extends essentially along the entire base frame carrier 41.
  • the storage carriage 76 can be displaced between a first end position and a second end position. It can be shifted in opposite directions.
  • the storage carriage 76 In the first end position, the storage carriage 76 is arranged adjacent to a material web outlet 78 of the cover sheet splicing arrangement 3, while the storage carriage 76 in the second end position is spaced or distant from the material web outlet 78 of the cover sheet splicing arrangement 3. According to the Fig. 1 , 2nd , 4th and 5 the storage carriage 76 is in the first end position adjacent to the material web outlet 78.
  • a second deflecting roller 79 is rotatably mounted on the base frame carrier 41 of the cover sheet splice arrangement 3 in the area of the material web outlet 78 above the storage carriage 76.
  • the second deflection roller 79 is arranged downstream of the first deflection roller 75 with respect to the conveying direction 58.
  • the second deflection roller 79 is followed by a third deflection roller 80 with respect to the conveying direction 58, which is rotatably mounted on the storage carriage 76 and is arranged adjacent to the first deflection roller 75.
  • the third deflection roller 80 has a smaller distance from the material web outlet 78 than the first deflection roller 75.
  • a fourth deflecting roller 81 is located in the area of the material web outlet 78 at the level of the storage carriage guide 77 rotatably mounted on the base frame support 41 of the cover sheet splicing arrangement 3.
  • the fourth deflection roller 81 is arranged downstream of the third deflection roller 80 with respect to the conveying direction 58.
  • the fourth deflection roller 81 is followed by a fifth deflection roller 82 with respect to the conveying direction 58, which is rotatably mounted on the storage carriage 76.
  • the third deflection roller 80 is arranged between the first deflection roller 75 and the fifth deflection roller 82.
  • the axes of rotation of the deflecting rollers 75, 80, 82 run parallel to one another and lie in a common, in particular horizontal, plane.
  • the intermediate web splicing arrangement 4 and the laminating web splicing arrangement 30 therefore also have a material web threading assistant arrangement 59.
  • the threading of the finite second cover sheet 8 into the cover sheet splice arrangement 3 is described by way of example below.
  • the splicing will not be dealt with in detail since this is done in a known manner.
  • the threading of a finite material web into the intermediate web splicing arrangement 4 or the laminating web splicing arrangement 30 is carried out analogously, so that a corresponding description to avoid unnecessary repetitions is dispensed with.
  • the storage carriage 76 is spaced apart from the material web outlet 78 at the second end position.
  • the storage carriage 76 is displaced along the storage carriage guide 77 into the first end position, which is shown in FIG Fig. 2 is illustrated.
  • the control unit 74 first checks whether the necessary safety distance x is present for carrying out the threading operation between the conveyor roller drives 64 and the storage carriage 76. In the affirmative, the material web threading assistance arrangement 59 can be put into operation by an operator (not shown). The conveyor roller drives 64 can thus be switched on for the threading process.
  • the second preparation device 45 and the table device 48 have been moved into a holding position adjacent to the second feed roller 38.
  • the finite second cover sheet 8 is guided to the connecting and cutting device 12 via the second feed roller 38, where the finite second cover sheet 8 is deflected by approximately 30 ° to 50 °.
  • the second finite cover sheet 8 is passed between the first pressure roller 55 and the second pressure roller 57. It bears on the second pressure roller 57 in some areas on the circumference and is deflected.
  • the finite second cover sheet 8 is then guided under the first mudguard element 71 to the first conveyor roller 61.
  • the finite second cover sheet 8 is then inserted into the conveyor gap 63 from above. It then runs between the second mudguard element 72 and the second conveyor roller 62.
  • the finite second cover sheet 8 wraps around the two conveyor rollers 61, 62 and lies on the circumference thereof in some areas.
  • the finite second cover sheet 8 is then guided around the first deflecting roller 75 on the storage carriage 76.
  • the finite second cover sheet 8 is then guided around the stationary second deflection roller 79.
  • the finite second cover sheet 8 is around the third deflecting roller 80 performed on the storage car 76.
  • the finite second cover sheet 8 is then guided around the stationary fourth deflection roller 81.
  • the finite second cover sheet 8 is then guided around the fifth deflecting roller 82 on the storage carriage 76.
  • the finite second cover sheet 8 then leaves the cover sheet splicing device 3 via the material sheet outlet 78.
  • the two conveyor rollers 61, 62 are driven by the conveyor roller drives 64 at a circumferential threading speed of 5 m / min to 15 m / min about their axes of rotation such that the threading process is assisted by the conveyor rollers 61, 62.
  • cover web splicing arrangement 3 conveys the endless cover web 11 normally for the production of a multi-layer corrugated cardboard web, this runs through the material web threading assistance arrangement 59.
  • the material web threading assistant arrangement 59 then advantageously supports the conveyance of the endless cover web 11 and is driven accordingly.
  • the finite first cover sheet 5 is threaded analogously. Likewise, the threading of the finite first intermediate web 13 or finite second intermediate web 16 into the intermediate web splicing arrangement 4 and the threading of the finite first laminating web 31 or the finite second laminating web 34 into the laminating web splicing arrangement 30 are carried out analogously.

Description

Die Erfindung betrifft eine Spliceanordnung zum Splicen von Materialbahnen gemäß dem Oberbegriff des Anspruchs 1. Ferner richtet sich die Erfindung auf ein Verfahren zum Splicen von Materialbahnen.The invention relates to a splicing arrangement for splicing material webs according to the preamble of claim 1. Furthermore, the invention is directed to a method for splicing material webs.

Bekannte Spliceanordnungen verbinden eine zu Ende gehende, endliche Materialbahn mit einer neuen endlichen Materialbahn, so dass quasi eine endlose Materialbahn entsteht. Dieser Vorgang wird in der Fachsprache als Splicen bzw. Spleißen und eine entsprechende Anordnung als Splice- bzw. Spleißanordnung bezeichnet. Die Nutzung derartiger Spliceanordnungen ist nicht immer optimal. Insbesondere bei der Inbetriebnahme treten oftmals Schwierigkeiten auf. Die Inbetriebnahme erfordert Erfahrung mit entsprechenden Spliceanordnungen.Known splicing arrangements connect an ending, finite material web with a new finite material web, so that a virtually endless material web is created. This process is referred to in technical terms as splicing or splicing and a corresponding arrangement as a splice or splicing arrangement. The use of such splicing arrangements is not always optimal. Difficulties often arise, especially during commissioning. Commissioning requires experience with appropriate splice arrangements.

Die US 2001/0035248 A1 offenbart eine gattungsgemäße Spliceanordnung. Aus den US 6 451 145 B1 , EP 0 341 605 A2 und EP 0 453 727 A2 sind weitere Spliceanordnungen des Stands der Technik bekannt.The US 2001/0035248 A1 discloses a generic splicing arrangement. From the US 6 451 145 B1 , EP 0 341 605 A2 and EP 0 453 727 A2 further splicing arrangements of the prior art are known.

Der Erfindung liegt die Aufgabe zugrunde, eine Spliceanordnung bereitzustellen, die besonders einfach benutzbar ist. Insbesondere soll eine Spliceanordnung geschaffen werden, die eine besonders benutzerfreundliche und störungsfreie Inbetriebnahme erlaubt. Ein entsprechendes Verfahren soll ebenfalls geschaffen werden.The invention has for its object to provide a splicing arrangement that is particularly easy to use. In particular, a splicing arrangement is to be created which allows particularly user-friendly and trouble-free commissioning. A corresponding procedure is also to be created.

Diese Aufgabe wird erfindungsgemäß durch die in den unabhängigen Ansprüchen 1 und 14 angegebenen Merkmale gelöst. Der Kern der Erfindung liegt in einer Materialbahn-Einfädel-Assistenzanordnung, die assistierend bzw. unterstützend bei dem Einfädeln einer neuen endlichen, einzufädelnden Materialbahn in die Spliceanordnung zum Inbetriebsetzen derselben wirkt. Ein besonders exaktes Einfädeln ist so möglich. Die endliche, einzufädelnde Materialbahn bildet beispielsweise eine Deckbahn, Kaschierbahn, Zwischenbahn, insbesondere einer Wellpappebahn.This object is achieved by the features specified in independent claims 1 and 14. The essence of the invention lies in a material web threading-in assistance arrangement which acts as an aid or support in threading a new finite material web to be threaded into the splicing arrangement for starting it up. This enables particularly precise threading. The finite material web to be threaded forms, for example, a cover web, laminating web, intermediate web, in particular a corrugated cardboard web.

Bei dem Einfädelvorgang fördert die mindestens eine Fördereinrichtung die einzufädelnde endliche Materialbahn in einer Einfädelrichtung durch die Spliceanordnung. Die einzufädelnde endliche Materialbahn liegt dabei zumindest bereichsweise, direkt oder indirekt, an der mindestens einen Fördereinrichtung zu ihrer Förderung an. Die mindestens eine Fördereinrichtung ist vorzugsweise drehantreibbar. Vorzugsweise ist sie durch eine Förderwalzenanordnung gebildet. Alternativ ist diese beispielsweise durch eine Fördergurtanordnung gebildet.During the threading process, the at least one conveying device conveys the finite material web to be threaded in a threading direction through the splicing arrangement. The finite material web to be threaded rests, at least in some areas, directly or indirectly, on the at least one conveying device for conveying it. The at least one conveying device can preferably be driven in rotation. It is preferably formed by a conveyor roller arrangement. Alternatively, this is formed, for example, by a conveyor belt arrangement.

Es ist von Vorteil, wenn sich die mindestens eine Fördereinrichtung senkrecht zu der Einfädelrichtung erstreckt und senkrecht zu der Einfädelrichtung eine Breite aufweist, die mindestens der Breite der einzufädelnden endlichen Materialbahn senkrecht zu der Einfädelrichtung entspricht.It is advantageous if the at least one conveying device extends perpendicular to the threading direction and has a width perpendicular to the threading direction that corresponds at least to the width of the finite material web to be threaded perpendicular to the threading direction.

Die Fördereinrichtungs-Antriebseinrichtung treibt die mindestens eine Fördereinrichtung entsprechend an. Sie steht mit der mindestens einen Fördereinrichtung in direkter oder indirekter Antriebsverbindung. Die Fördereinrichtungs-Antriebseinrichtung umfasst günstigerweise mindestens einen Antrieb, insbesondere Elektroantrieb.The conveyor device drive device drives the at least one conveyor device accordingly. It is in direct or indirect drive connection with the at least one conveyor. The conveyor device drive device advantageously comprises at least one drive, in particular an electric drive.

Die Einfädelrichtung entspricht günstigerweise der Förderrichtung der endlosen Materialbahn bei deren normalen Förderung durch die Spliceanordnung zur Herstellung einer mehrlagigen Bahn, insbesondere Wellpappebahn.The threading direction suitably corresponds to the conveying direction of the endless material web when it is normally conveyed by the splicing arrangement for producing a multi-layer web, in particular corrugated cardboard web.

Wenn beispielsweise ein Bediener per Hand eine entsprechende Zugkraft auf die eingefädelte endliche Materialbahn ausübt, so fördert die mindestens eine Fördereinrichtung die eingefädelte endliche Materialbahn in der Einfädelrichtung. Es tritt dann kein Schlupf bzw. kein wesentlicher Schlupf zwischen der mindestens einen Fördereinrichtung und der eingefädelten endlichen Materialbahn auf. Die eingefädelte endliche Materialbahn liegt dabei zumindest bereichsweise fest an der mindestens einen Fördereinrichtung an und wird so in der Einfädelrichtung aufgrund der vorliegenden Reibungskraft zwischen der eingefädelten endlichen Materialbahn und der mindestens einen Fördereinrichtung gefördert, was äußerst benutzerfreundlich ist.If, for example, an operator exerts a corresponding tensile force on the threaded finite material web by hand, the at least one conveying device conveys the threaded finite material web in the threading direction. There is then no slippage or no significant slippage between the at least one conveyor device and the threaded finite material web. The threaded finite material web is at least partially fixed to the at least one conveying device and is thus conveyed in the threading direction due to the existing frictional force between the threaded finite material web and the at least one conveying device, which is extremely user-friendly.

Bei ungenügender Zugkraft in der Einfädelrichtung tritt Schlupf zwischen der eingefädelten endlichen Materialbahn und der mindestens einen Fördereinrichtung auf. Die eingefädelte endliche Materialbahn hebt sich dann zumindest bereichsweise von der mindestens einen Fördereinrichtung, beispielsweise unter Bildung einer Schlaufe, ab, was auf die reduzierte Reibungskraft zwischen der eingefädelten endlichen Materialbahn und der mindestens einen Fördereinrichtung zurückzuführen ist. Die Reibungskraft zwischen der eingefädelten endlichen Materialbahn und der mindestens einen Fördereinrichtung ist bei ungenügendem Zug auf die eingefädelte endliche Materialbahn, geringer, vorzugsweise wesentlich geringer, als bei ausgeübter Zugkraft. Die eingefädelte endliche Materialbahn ist so insbesondere in ihrer Lage und/oder Orientierung anpassbar bzw. korrigierbar.If there is insufficient tensile force in the threading direction, slip occurs between the threaded finite material web and the at least one conveying device. The threaded finite material web then lifts at least in regions from the at least one conveying device, for example to form a loop, which is due to the reduced frictional force between the threaded finite material web and the at least one conveying device. The frictional force between the threaded finite material web and the at least one conveying device is less, preferably substantially less, when there is insufficient tension on the threaded finite material web than when the tensile force is exerted. The threaded and finite material web can thus be adjusted or corrected in particular in its position and / or orientation.

Sie ist so beispielsweise senkrecht zu der Einfädelrichtung verlagerbar. Eine schräge Orientierung der eingefädelten endlichen Materialbahn ist so einfach ausgleichbar. Insbesondere ist durch Ausübung eines entsprechenden Zugs auf die eingefädelte endliche Materialbahn und Reduzieren desselben die eingefädelte endliche Materialbahn besonders einfach und gut in der Spliceanordnung positionierbar.For example, it can be displaced perpendicular to the threading direction. An oblique orientation of the threaded web of finite material can thus be easily compensated. In particular, by exerting a corresponding pull on the threaded finite material web and reducing the same, the threaded finite material web can be positioned particularly easily and well in the splice arrangement.

Es ist zweckmäßig, wenn die Materialbahn-Einfädel-Assistenzanordnung benachbart zu einem Materialbahnauslauf der Spliceanordnung angeordnet ist.It is expedient if the material web threading assistant arrangement is arranged adjacent to a material web outlet of the splicing arrangement.

Die erste Abgabevorrichtung ist vorzugsweise als erste Abrollvorrichtung zum Abrollen einer endlichen ersten Materialbahn von einer ersten Materialrolle ausgebildet. Günstigerweise ist die zweite Abgabevorrichtung als zweite Abrollvorrichtung zum Abrollen einer endlichen zweiten Materialbahn von einer zweiten Materialrolle ausgebildet. Andere Ausbildungen sind alternativ möglich.The first dispensing device is preferably designed as a first unrolling device for unrolling a finite first material web from a first material roll. The second delivery device is advantageously designed as a second unrolling device for unrolling a finite second material web from a second material roll. Other training courses are alternatively possible.

Es ist zweckmäßig, wenn die Verbindevorrichtung eine erste Vorbereitungseinrichtung, eine zweite Vorbereitungseinrichtung, eine erste Verbindeeinrichtung zum Verbinden eines Bahnendes der endlichen ersten Materialbahn mit einem Bahnanfang der endlichen zweiten Materialbahn, eine zweite Verbindeeinrichtung zum Verbinden eines Bahnendes der endlichen zweiten Materialbahn mit einem Bahnanfang der endlichen ersten Materialbahn und eine Tischeinrichtung zum Zusammenwirken mit den Vorbereitungseinrichtungen und den Verbindeeinrichtungen umfasst.It is expedient if the connecting device has a first preparation device, a second preparation device, a first connecting device for connecting a web end of the finite first material web to a web start of the finite second material web, a second connecting device for connecting a web end of the finite second material web with a web start of the finite comprises first material web and a table device for cooperation with the preparation devices and the connecting devices.

Günstigerweise weist die Spliceanordnung außerdem einen Speicherwagen auf, der längs einer Speicherwagenbahn bzw. -führung, insbesondere aufgrund einer Änderung der Bahnspannung, verlagerbar ist. Es ist von Vorteil, wenn eine jeweilige Position des Speicherwagens Einfluss auf eine Speichermenge der gespeicherten endlosen Materialbahn in der Spliceanordnung hat. Durch Verlagerung des Speicherwagens ist vorzugsweise die Speichermenge der endlosen Materialbahn in der Spliceanordnung erhöhbar bzw. reduzierbar. Ein unterbrechungsfreies Fördern der endlosen Materialbahn ist so möglich.Advantageously, the splicing arrangement also has a storage trolley which runs along a storage trolley path or guide, in particular due to a change in the web tension is shiftable. It is advantageous if a respective position of the storage trolley influences an amount of storage of the stored endless material web in the splice arrangement. The storage quantity of the endless material web in the splice arrangement can preferably be increased or reduced by moving the storage carriage. An uninterrupted conveying of the endless material web is possible.

Die Spliceanordnung hat vorzugsweise eine elektrische bzw. elektronische Kontrolleinheit, die unter anderem mit der Materialbahn-Einfädel-Assistenzanordnung zum Betätigen der Fördereinrichtungs-Antriebseinrichtung in Signalverbindung steht.The splicing arrangement preferably has an electrical or electronic control unit which, among other things, is in signal connection with the material web threading assistance arrangement for actuating the conveying device drive device.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Further advantageous embodiments of the invention are specified in the subclaims.

Günstigerweise fördert die mindestens eine Fördereinrichtung gemäß dem Unteranspruch 2 die einzufädelnde endliche Materialbahn mit einer Einfädelgeschwindigkeit, die zwischen 5 m/s und 15 m/s liegt. Es ist von Vorteil, wenn die Einfädelgeschwindigkeit der einzufädelnden endlichen Materialbahn höchstens 10 %, bevorzugter höchstens 5 %, bevorzugter höchstens 3 %, der Fördergeschwindigkeit der endlosen Materialbahn der Spliceananordnung zur Herstellung einer mehrlagigen Bahn, insbesondere Wellpappebahn, bzw. einer Anlagengeschwindigkeit einer Wellpappeanlage beträgt.Advantageously, the at least one conveying device promotes the finite material web to be threaded at a threading speed that is between 5 m / s and 15 m / s. It is advantageous if the threading speed of the finite material web to be threaded is at most 10%, preferably at most 5%, more preferably at most 3%, of the conveying speed of the endless material web of the splicing arrangement for producing a multi-layer web, in particular corrugated cardboard web, or a line speed of a corrugated cardboard system.

Gemäß dem Unteranspruch 3 ist die Materialbahn-Einfädel-Assistenzanordnung bzw. die Fördereinrichtungs-Antriebseinrichtung für den Einfädelvorgang manuell betätigbar. Die manuelle Betätigung erfolgt beispielsweise per Knopfdruck, Schalter oder dergleichen durch einen Bediener.According to subclaim 3, the material web threading assistance arrangement or the conveying device drive device is for the threading process manually operable. Manual operation is carried out by an operator, for example, by pressing a button, switch or the like.

Die Ausgestaltung gemäß dem Unteranspruch 4 führt zu einer besonders sicheren Spliceanordnung. Beschädigungen bzw. Gefahren der Materialbahn-Einfädel-Assistenzanordnung und/oder des Speicherwagens sind so wirksam verhinderbar. Günstigerweise beträgt der Mindestsicherheitsabstand 100 mm, bevorzugter 120 mm. Dies ist beispielsweise durch eine entsprechende Überwachungsanordnung, wie Sensor- oder Kameraanordnung, prüfbar.The configuration according to subclaim 4 leads to a particularly safe splicing arrangement. Damage or dangers to the material web threading assistance arrangement and / or the storage trolley can thus be effectively prevented. The minimum safety distance is advantageously 100 mm, more preferably 120 mm. This can be checked, for example, by a corresponding monitoring arrangement, such as a sensor or camera arrangement.

Die Ausgestaltung gemäß dem Unteranspruch 5 ermöglicht ein besonders funktionssicheres Einfädeln der einzufädelnden endlichen Materialbahn.The configuration according to subclaim 5 enables a particularly functionally reliable threading of the finite material web to be threaded.

Die Ausführungen zu dem Unteranspruch 5 gelten analog zu dem Unteranspruch 6.The statements relating to subclaim 5 apply analogously to subclaim 6.

Gemäß dem Unteranspruch 7 sind die Materialbahn-Einfädel-Assistenzanordnung und ein Speicherwagen der Spliceanordnung bei dem Einfädelvorgang benachbart zueinander angeordnet. Die Speichermenge der gespeicherten endlosen Materialbahn ist dann günstigerweise minimal. Günstigerweise sind der Speicherwagen und die Materialbahn-Einfädel-Assistenzanordnung dann benachbart zu einem Materialbahnauslauf der Spliceanordnung angeordnet.According to subclaim 7, the material web threading assistance arrangement and a storage carriage of the splicing arrangement are arranged adjacent to one another during the threading process. The storage amount of the stored endless material web is then advantageously minimal. The storage trolley and the material web threading assistance arrangement are then advantageously arranged adjacent to a material web outlet of the splicing arrangement.

Das Solldrehmoment gemäß dem Unteranspruch 8 entspricht vorzugsweise einer Sollwertvorgabe durch eine Kontrolleinheit. Es ist zweckmäßig, wenn die Kontrolleinheit als Steuer- und/oder Regeleinheit ausgeführt ist.The setpoint torque according to subclaim 8 preferably corresponds to a setpoint specification by a control unit. It is expedient if the control unit is designed as a control and / or regulating unit.

Die Kontrolleinheit steht vorzugsweise mit der Überwachungsanordnung in Signalverbindung.The control unit is preferably in signal connection with the monitoring arrangement.

Das mindestens eine Schutzelement gemäß dem Unteranspruch 10 verhindert wirksam Verletzungen eines Bedieners. Es ist vorzugsweise als Profilteil ausgeführt. Es ist von Vorteil, wenn sich das mindestens eine Schutzelement über die gesamte Breite der Materialbahn-Einfädel-Assistenzanordnung senkrecht zu der Einfädelrichtung erstreckt.The at least one protective element according to subclaim 10 effectively prevents injuries to an operator. It is preferably designed as a profile part. It is advantageous if the at least one protective element extends across the entire width of the material web threading assistance arrangement perpendicular to the threading direction.

Die Spliceanordnung gemäß dem Unteranspruch 11 erlaubt ein besonders funktionssicheres Fördern bzw. Inbewegungsetzen der einzufädelnden endlichen Materialbahn. Insbesondere liegt eine besonders hohe Haftreibung zwischen der mindestens einen Fördereinrichtung und der einzufädelnden endlichen Materialbahn vor. Dies gilt vor allem, wenn auf die eingefädelte endliche Materialbahn ein Zug in der Einfädelrichtung stromabwärts zu der Materialbahn-Einfädel-Assistenzanordnung ausgeübt wird. Es ist von Vorteil, wenn die mindestens eine Fördereinrichtung dafür eine entsprechende außenseitige bzw. umfangsseitige Beschichtung, beispielsweise eine entsprechende harte keramische Beschichtung, insbesondere eine Wolframkarbid-Beschichtung, hat.The splicing arrangement according to subclaim 11 permits a particularly functionally reliable conveying or setting in motion of the finite material web to be threaded. In particular, there is a particularly high static friction between the at least one conveying device and the finite material web to be threaded. This applies in particular if a tension is exerted on the threaded finite material web in the threading direction downstream to the material web / threading assistant arrangement. It is advantageous if the at least one conveyor device has a corresponding outer or peripheral coating, for example a corresponding hard ceramic coating, in particular a tungsten carbide coating.

Auch die Spliceanordnung gemäß dem Unteranspruch 12 ermöglicht eine besonders funktionssichere Förderung der einzufädelnden endlichen Materialbahn. Die mindestens eine Förderwalze ist vorzugsweise für den Einfädelvorgang drehantreibbar.The splicing arrangement according to subclaim 12 also enables a particularly functionally reliable conveyance of the finite material web to be threaded. The at least one conveyor roller can preferably be driven in rotation for the threading process.

Die Förderwalzen sind günstigerweise benachbart zueinander angeordnet. Sie sind bevorzugt unter Bildung eines Förderspalts beabstandet zueinander angeordnet und erstrecken sich vorzugsweise parallel zueinander.The conveyor rollers are advantageously arranged adjacent to one another. They are preferably arranged at a distance from one another to form a conveying gap and preferably extend parallel to one another.

Die Kopplungsanordnung ist günstigerweise Bestandteil der Fördereinrichtungs-Antriebseinrichtung. Sie ist günstigerweise durch ein Getriebe, insbesondere Zahnradgetriebe, bevorzugter Stirnradgetriebe, gebildet. Günstigerweise ist die Spliceanordnung Bestandteil einer Wellpappeanlage. Eine solche Wellpappeanlage hat vorzugsweise mehrere der Spliceanordnungen. Es ist zweckmäßig, wenn die Wellpappeanlage mindestens eine Wellpappe-Herstellvorrichtung zum Erzeugen mindestens einer einseitig kaschierten, endlosen Wellpappebahn aufweist. Es ist von Vorteil, wenn eine solche Wellpappeanlage ferner eine Verbindungsvorrichtung zum Verbinden der mindestens einen einseitig kaschierten, endlosen Wellpappebahn mit einer endlosen Kaschierbahn unter Bildung einer mindestens dreilagigen endlosen Wellpappebahn umfasst. Günstigerweise hat die Wellpappeanlage eine Schneidevorrichtung zum Erzeugen von Wellpappebögen aus der mindestens dreilagigen, endlosen Wellpappebahn. Es ist von Vorteil, wenn der mindestens einen Schneidevorrichtung eine Stapelvorrichtung zum Stapeln der Wellpappebögen nachgeordnet ist. Die Wellpappeanlage ist beispielsweise imstande, dreilagige, fünflagige,... Wellpappebahnen zu erzeugen.The coupling arrangement is advantageously part of the conveyor drive device. It is expediently formed by a gear, in particular a gear transmission, preferably a spur gear. The splicing arrangement is advantageously part of a corrugated cardboard system. Such a corrugated cardboard plant preferably has several of the splicing arrangements. It is expedient if the corrugated cardboard plant has at least one corrugated cardboard production device for producing at least one continuous corrugated cardboard web that is laminated on one side. It is advantageous if such a corrugated cardboard system further comprises a connecting device for connecting the at least one continuous corrugated cardboard web, which is laminated on one side, to an endless laminating web, forming an at least three-layer endless corrugated cardboard web. The corrugated cardboard plant advantageously has a cutting device for producing corrugated cardboard sheets from the at least three-layer, endless corrugated cardboard web. It is advantageous if the at least one cutting device is followed by a stacking device for stacking the corrugated cardboard sheets. The corrugated cardboard plant is, for example, capable of producing three-layer, five-layer, ... corrugated cardboard sheets.

Die Unteransprüche 2 bis 13 betreffen vorzugsweise auch vorteilhafte Weiterbildungen des unabhängigen Anspruchs 14.Subclaims 2 to 13 preferably also relate to advantageous developments of independent claim 14.

Nachfolgend wird unter Bezugnahme auf die beigefügte Zeichnung eine bevorzugte Ausführungsform der Erfindung beispielhaft beschrieben. Dabei zeigen:

Fig. 1
eine Teil-Seitenansicht einer Wellpappeanlage mit erfindungsgemäßen Spliceanordnungen,
Fig. 2
eine Seitenansicht, die beispielhaft eine Spliceanordnung der Wellpappeanlage gemäß Fig. 1 und deren Regelung veranschaulicht,
Fig. 3
eine perspektivische Ansicht, die den Aufbau der Materialbahn-Einfädel-Assistenzanordnung der Spliceanordnung gemäß Fig. 2 veranschaulicht,
Fig. 4
eine Seitenansicht der Spliceanordnung entsprechend Fig. 2, wobei das Verhalten bei Ausübung einer Zugkraft von einem Bediener auf die eingefädelte endliche Materialbahn veranschaulicht ist, und
Fig. 5
eine der Fig. 4 entsprechende Ansicht, wobei das Verhalten veranschaulicht ist, wenn keine entsprechende Zugkraft auf die eingefädelte endliche Materialbahn ausgeübt wird.
A preferred embodiment of the invention is described below by way of example with reference to the accompanying drawing. Show:
Fig. 1
2 shows a partial side view of a corrugated cardboard plant with splice arrangements according to the invention,
Fig. 2
a side view showing an example of a splicing arrangement of the corrugated board system according to Fig. 1 and illustrates their rules,
Fig. 3
a perspective view showing the structure of the material web threading assistance arrangement according to the splicing arrangement Fig. 2 illustrates
Fig. 4
a side view of the splicing arrangement accordingly Fig. 2 , illustrating the behavior when an operator exerts a tensile force on the threaded finite material web, and
Fig. 5
one of the Fig. 4 corresponding view, the behavior being illustrated when no corresponding tensile force is exerted on the threaded finite material web.

Zunächst bezugnehmend auf Fig. 1, umfasst eine Wellpappeanlage eine Wellpappe-Herstellvorrichtung 1 zum Herstellen einer einseitig kaschierten, endlosen Wellpappebahn 2.First referring to Fig. 1 , a corrugated cardboard system comprises a corrugated cardboard manufacturing device 1 for producing an endless corrugated cardboard web 2 laminated on one side.

Der Wellpappe-Herstellvorrichtung 1 sind eine Deckbahn-Spliceanordnung 3 und eine Zwischenbahn-Spliceanordnung 4 vorgeordnet.A corrugated board splicing arrangement 3 and an intermediate web splicing arrangement 4 are arranged upstream of the corrugated cardboard manufacturing device 1.

Die verwendeten Ausdrücke "vorgeordnet", "nachgeordnet", "stromaufwärts", "stromabwärts" oder dergleichen beziehen sich insbesondere auf die Förderrichtung der jeweiligen Bahn.The terms used "upstream", "downstream", "upstream", "downstream" or the like relate in particular to the conveying direction of the respective web.

Die Deckbahn-Spliceanordnung 3 umfasst zum Abrollen einer endlichen ersten Deckbahn 5 von einer ersten Deckbahnrolle 6 eine erste Abrollvorrichtung 7 und zum Abrollen einer endlichen zweiten Deckbahn 8 von einer zweiten Deckbahnrolle 9 eine zweite Abrollvorrichtung 10. Die endliche erste Deckbahn 5 und die endliche Deckbahn 8 werden zum Bereitstellen einer endlosen Deckbahn 11 mittels einer Verbinde- und Schneidevorrichtung 12 der Deckbahn-Spliceanordnung 3 miteinander verbunden.The cover sheet splicing arrangement 3 comprises a first unwinding device 7 for unrolling a finite first cover sheet 5 from a first cover sheet roll 6 and a second unwinding device 10 for unrolling a finite second cover sheet 8 from a second cover sheet roll 9 The first cover sheet 5 and the finite cover sheet 8 are connected to one another to provide an endless cover sheet 11 by means of a connecting and cutting device 12 of the cover sheet splicing arrangement 3.

Die Zwischenbahn-Spliceanordnung 4 ist entsprechend der Deckbahn-Spliceanordnung 3 ausgebildet. Diese umfasst zum Abrollen einer endlichen ersten Zwischenbahn 13 von einer ersten Zwischenbahnrolle 14 eine dritte Abrollvorrichtung 15 und zum Abrollen einer endlichen zweiten Zwischenbahn 16 von einer zweiten Zwischenbahnrolle 17 eine vierte Abrollvorrichtung 18. Die endliche erste Zwischenbahn 13 und die endliche zweite Zwischenbahn 16 werden zum Bereitstellen einer endlosen Zwischenbahn 19 mittels einer nicht dargestellten Verbinde- und Schneidevorrichtung der Zwischenbahn-Spliceanordnung 4 miteinander verbunden.The intermediate web splicing arrangement 4 is designed in accordance with the cover web splicing arrangement 3. This comprises a third unwinding device 15 for unrolling a finite first intermediate web 13 from a first intermediate web reel 14 and a fourth unwinding device 18 for unrolling a finite second intermediate web 16 from a second intermediate web reel 17. The finite first intermediate web 13 and the finite second intermediate web 16 are provided an endless intermediate web 19 connected to one another by means of a connecting and cutting device, not shown, of the intermediate web splicing arrangement 4.

Die endlose Deckbahn 11 wird über eine Heizeinrichtung 20 und eine Umlenkrollenanordnung 21 sowie eine erste Bahnspannungseinrichtung 22 der Wellpappe-Herstellvorrichtung 1 zugeführt, während die endlose Zwischenbahn 19 über eine zweite Bahnspannungseinrichtung 23 der Wellpappe-Herstellvorrichtung 1 zugeführt wird.The endless cover web 11 is fed to the corrugated cardboard manufacturing device 1 via a heating device 20 and a deflection roller arrangement 21 and a first web tensioning device 22, while the endless intermediate web 19 is fed to the corrugated board manufacturing device 1 via a second web tensioning device 23.

Die Wellpappe-Herstellvorrichtung 1 umfasst zum Erzeugen einer eine Wellung aufweisenden, endlosen Wellbahn aus der endlosen Zwischenbahn 19 eine Riffelwalzenanordnung mit einer ersten Riffelwalze 24 und einer zweiten Riffelwalze 25. Die Riffelwalzen 24, 25 bilden zum Durchführen und Riffeln der endlosen Zwischenbahn 19 einen Walzenspalt aus. Die Drehachsen der Riffelwalzen 24, 25 verlaufen parallel zueinander.The corrugated cardboard manufacturing device 1 comprises a corrugated roller arrangement with a first corrugated roller 24 and a second corrugated roller 25 for producing a corrugated, continuous corrugated web from the endless intermediate web 19. The corrugated rollers 24, 25 form a nip for carrying out and corrugating the endless intermediate web 19 . The axes of rotation of the corrugated rollers 24, 25 run parallel to one another.

Zum Verbinden der endlosen Deckbahn 11 mit der endlosen gewellten Zwischenbahn bzw. Wellbahn 19 zu der einseitig kaschierten, endlosen Wellpappebahn 2 weist die Wellpappe-Herstellvorrichtung 1 eine Leimauftragseinrichtung 26 auf, die günstigerweise eine Leimdosierwalze, einen Leimbehälter und eine Leimauftragswalze umfasst. Zum Durchführen und Beleimen der endlosen Wellbahn 19 bildet die Leimauftragswalze mit der ersten Riffelwalze 24 einen Leimspalt aus. Der sich in dem Leimbehälter befindliche Leim wird über die Leimauftragswalze auf Spitzen der Wellung der endlosen Wellbahn 19 aufgetragen. Die Leimdosierwalze liegt gegen die Leimauftragswalze an und dient zum Ausbilden einer gleichmäßigen Leimschicht auf der Leimauftragswalze.For connecting the endless cover sheet 11 with the endless corrugated intermediate sheet or corrugated sheet 19 to form the endless laminated on one side Corrugated cardboard web 2, the corrugated cardboard manufacturing device 1 has a glue application device 26, which advantageously comprises a glue metering roller, a glue container and a glue application roller. To carry out and glue the endless corrugated web 19, the glue application roller forms a glue gap with the first corrugating roller 24. The glue in the glue container is applied to the corrugation of the endless corrugated web 19 via the glue application roller. The glue metering roller bears against the glue application roller and serves to form a uniform layer of glue on the glue application roller.

Die endlose Deckbahn 11 wird anschließend mit der mit Leim aus dem Leimbehälter versehenen, endlosen Zwischenbahn 19 in der Wellpappe-Herstellvorrichtung 1 zum Herstellen der einseitig kaschierten, endlosen Wellpappebahn 2 zusammengefügt.The endless cover sheet 11 is then joined together with the endless intermediate sheet 19 provided with glue from the glue container in the corrugated cardboard manufacturing device 1 for producing the continuous corrugated cardboard sheet 2 laminated on one side.

Zum Anpressen der endlosen Deckbahn 11 gegen die mit Leim versehene, endlose Wellbahn 19, die wiederum bereichsweise an der ersten Riffelwalze 24 anliegt, hat die Wellpappe-Herstellvorrichtung 1 ein Anpressmodul 27. Das Anpressmodul 27 ist günstigerweise als Anpressbandmodul ausgeführt. Es ist oberhalb der ersten Riffelwalze 24 angeordnet. Es hat mindestens zwei Anpress-Umlenkwalzen und ein endloses Anpressband, das um die Anpress-Umlenkwalzen geführt ist. Die erste Riffelwalze 24 greift in einen Raum zwischen zwei äußeren Anpress-Umlenkwalzen des Anpressbandmoduls 27 bereichsweise von unten ein, wodurch das Anpressband durch die erste Riffelwalze 24 umgelenkt wird. Das Anpressband drückt gegen die endlose Deckbahn 11, die wiederum gegen die mit Leim versehene, an der ersten Riffelwalze 24 anliegende, endlose Wellbahn 19 gepresst wird.In order to press the endless cover sheet 11 against the endless corrugated sheet 19 provided with glue, which in turn abuts the first corrugating roller 24 in regions, the corrugated cardboard manufacturing device 1 has a pressing module 27. The pressing module 27 is advantageously designed as a pressing belt module. It is arranged above the first corrugating roller 24. It has at least two pressure deflection rollers and an endless pressure belt that is guided around the pressure deflection rollers. The first corrugation roller 24 engages in a space between two outer pressure deflection rollers of the pressure belt module 27 in regions from below, whereby the pressure belt is deflected by the first corrugation roller 24. The pressure belt presses against the endless cover sheet 11, which in turn is pressed against the endless corrugated sheet 19 provided with glue and abutting the first corrugating roller 24.

Zum Zwischenspeichern und Puffern der einseitig kaschierten, endlosen Wellpappebahn 2 wird diese über eine Hochtransporteinrichtung 28 einer Speichervorrichtung 29 der Wellpappeanlage zugeführt, wo diese Schleifen ausbildet.For the intermediate storage and buffering of the one-sided laminated, endless corrugated cardboard web 2, the latter is fed via a high-transport device 28 to a storage device 29 of the corrugated cardboard system, where it forms loops.

Die Wellpappeanlage umfasst außerdem eine Kaschierbahn-Spliceanordnung 30, die entsprechend der Deckbahn-Spliceanordnung 3 bzw. der Zwischenbahn-Spliceanordnung 4 ausgeführt. Die Kaschierbahn-Spliceanordnung 30 weist zum Abrollen einer endlichen ersten Kaschierbahn 31 von einer ersten Kaschierbahnrolle 32 eine fünfte Abrollvorrichtung 33 und zum Abrollen einer endlichen zweiten Kaschierbahn 34 von einer zweiten Kaschierbahnrolle 35 eine sechste Abrollvorrichtung 36 auf. Die endliche erste Kaschierbahn 31 und die endliche zweite Kaschierbahn 34 werden zum Bereitstellen einer endlosen Kaschierbahn mittels einer Verbinde- und Schneidevorrichtung der Kaschierbahn-Spliceanordnung 30 miteinander verbunden.The corrugated cardboard system also comprises a laminating web splicing arrangement 30 which is designed in accordance with the cover web splicing arrangement 3 or the intermediate web splicing arrangement 4. The liner web splicing arrangement 30 has a fifth unwind device 33 for unrolling a finite first liner web 31 from a first liner web roll 32 and a sixth unroll device 36 for unrolling a finite second liner web 34 from a second liner web roll 35. The finite first liner web 31 and the finite second liner web 34 are connected to one another by means of a connecting and cutting device of the liner web splicing arrangement 30 in order to provide an endless liner web.

Stromabwärts zu der Speichervorrichtung 29 und der Kaschierbahn-Spliceanordnung 30 hat die Wellpappeanlage eine Vorheizvorrichtung (nicht dargestellt), die zwei übereinander angeordnete Vorheizwalzen umfasst. Der Vorheizvorrichtung werden die einseitig kaschierte, endlose Wellpappebahn 2 und die endlose Kaschierbahn zugeführt, die die jeweilige Vorheizwalze bereichsweise umfangsseitig umschlingen.Downstream of the storage device 29 and the laminating web splicing arrangement 30, the corrugated cardboard system has a preheating device (not shown) which comprises two preheating rollers arranged one above the other. The preheating device is fed with the one-sided laminated, endless corrugated cardboard web 2 and the endless laminating web, which loop around the circumferential side of the respective preheating roller.

Stromabwärts zu der Vorheizvorrichtung hat die Wellpappeanlage ein Leimwerk (nicht dargestellt) mit einer Beleimungswalze, die teilweise in ein Leimbad eingetaucht ist. An der Beleimungswalze liegt eine LeimDosierwalze an, um eine gleichmäßige Leimschicht auf der Beleimungswalze auszubilden. Die einseitig kaschierte, endlose Wellpappebahn 2 befindet sich mit ihrer Wellbahn 19 mit der Beleimungswalze in Kontakt, so dass die Wellung dieser Wellbahn 19 mit Leim aus dem Leimbad versehen wird.Downstream of the preheating device, the corrugated cardboard plant has a gluing unit (not shown) with a gluing roller which is partially immersed in a glue bath. There is a glue metering roller on the gluing roller in order to form a uniform layer of glue on the gluing roller. The one-sided laminated, endless corrugated cardboard web 2 is located with its corrugated web 19 in contact with the gluing roller, so that the corrugation of this corrugated web 19 is provided with glue from the glue bath.

Stromabwärts zu dem Leimwerk hat die Wellpappeanlage eine Heiz-Andrückvorrichtung (nicht dargestellt), die einen horizontal verlaufenden Heiztisch umfasst. Benachbart zu dem Heiztisch ist ein um Führungswalzen geführter, endloser Andrückgurt angeordnet. Zwischen dem Andrückgurt und dem Heiztisch ist ein Andrückspalt ausgebildet, durch den die einseitig kaschierte Wellpappebahn 2 und die endlose Kaschierbahn unter Bildung einer endlosen, dreilagigen Wellpappebahn (nicht dargestellt) geführt sind.Downstream of the glue unit, the corrugated cardboard system has a heating pressure device (not shown) which comprises a horizontally running heating table. An endless pressure belt guided around guide rollers is arranged adjacent to the heating table. A pressure gap is formed between the pressure belt and the heating table, through which the corrugated cardboard web 2 laminated on one side and the endless laminating web are guided to form an endless, three-layer corrugated cardboard web (not shown).

Stromabwärts zu der Heiz-Andrückvorrichtung weist die Wellpappeanlage vorzugsweise eine Kurz-Querschneidevorrichtung (nicht dargestellt) auf, die zum Herausschneiden von Ausschuss aus der endlosen, dreilagigen Wellpappebahn dient.Downstream of the heating pressure device, the corrugated cardboard system preferably has a short cross-cutting device (not shown), which is used to cut out scrap from the endless, three-layer corrugated cardboard web.

Stromabwärts zu der Kurz-Querschneidevorrichtung hat die Wellpappeanlage eine Längsschneide-/Rillvorrichtung (nicht dargestellt) zum Längsschneiden und Rillen der endlosen, dreilagigen Wellpappebahn. In der Längsschneide-/Rillvorrichtung sind aus der endlosen, dreilagigen Wellpappebahn endlose Teilbahnen erzeugbar, die anfangs noch nebeneinander verlaufen.Downstream of the short cross-cutting device, the corrugated cardboard system has a longitudinal cutting / creasing device (not shown) for longitudinally cutting and creasing the endless, three-layer corrugated cardboard web. In the slitter / scoring device, endless partial webs can be produced from the endless, three-layer corrugated cardboard web, which initially still run side by side.

Stromabwärts zu der Längsschneide-/Rillvorrichtung hat die Wellpappeanlage eine Weiche (nicht dargestellt), um die Teilbahnen in verschiedene Ebenen zu fördern.Downstream of the slitter / scoring device, the corrugated cardboard plant has a switch (not shown) in order to convey the partial webs to different levels.

Stromabwärts zu der Weiche hat die Wellpappeanlage eine Querschneidevorrichtung (nicht dargestellt) mit übereinander angeordneten Querschneideeinrichtungen. Die Querschneideinrichtungen erzeugen Wellpappebögen aus den Teilbahnen.Downstream of the switch, the corrugated cardboard plant has a cross cutting device (not shown) with cross cutting devices arranged one above the other. The cross cutting devices produce corrugated cardboard sheets from the partial webs.

Stromabwärts zu den Querschneideeinrichtungen hat die Wellpappeanlage eine Stapelvorrichtung (nicht dargestellt), die die Wellpappebögen stapelt.Downstream of the cross-cutting devices, the corrugated cardboard system has a stacking device (not shown) which stacks the corrugated cardboard sheets.

Nachdem die Spliceanordnungen 3, 4, 30 identisch sind, wird nachfolgend der Kürze halber nur beispielhaft auf die Deckbahn-Spliceanordnung 3 detaillierter eingegangen. Diese Ausführungen gelten somit auch für die Zwischenbahn-Spliceanordnung 4 bzw. die Kaschierbahn-Spliceanordnung 30.Since the splicing arrangements 3, 4, 30 are identical, for the sake of brevity, the cover sheet splicing arrangement 3 is only discussed in more detail below as an example. These statements therefore also apply to the intermediate web splicing arrangement 4 or the laminating web splicing arrangement 30.

Die endliche erste Deckbahn 5 wird über eine erste Zuführwalze 37 der Verbinde- und Schneidevorrichtung 12 der Deckbahn-Spliceanordnung 3 zugeführt, während die endliche zweite Materialbahn 8 über eine zweite Zuführwalze 38 dieser Verbinde- und Schneidevorrichtung 12 zugeführt wird. Jede Zuführwalze 37, 38 ist an einem ersten bzw. zweiten Tragarm 39, 40 drehbar gelagert, der zum Spannen der jeweiligen endlichen Deckbahn 5, 8 schwenkbar an einem Grundgestellträger 41 der Deckbahn-Spliceanordnung 3 oberhalb der jeweiligen Deckbahnrolle 6 bzw. 9 angeordnet ist. Der Grundgestellträger 41 ist an einem einem Grundgestellsockel 42 gegenüberliegenden Endbereich eines Grundgestellständers 43 angeordnet. Der Grundgestellträger 41 verläuft im Wesentlichen parallel zu einem Boden und horizontal.The finite first cover web 5 is fed via a first feed roller 37 to the connecting and cutting device 12 of the cover web splicing arrangement 3, while the finite second material web 8 is fed via a second feed roller 38 to this connecting and cutting device 12. Each feed roller 37, 38 is rotatably mounted on a first or second support arm 39, 40, which is pivotably arranged on a base frame carrier 41 of the cover sheet splicing arrangement 3 above the respective cover sheet roll 6 or 9 for tensioning the respective finite cover sheet 5, 8. The base frame support 41 is arranged on an end region of a base frame stand 43 opposite a base frame base 42. The base frame carrier 41 runs essentially parallel to a floor and horizontally.

Die Verbinde- und Schneidevorrichtung 12 der Deckbahn-Spliceanordnung 3 dient, wie erwähnt, zum Herstellen der endlosen Deckbahn 11 aus den endlichen Deckbahnen 5, 8. Sie umfasst eine erste Vorbereitungseinrichtung 44, eine zweite Vorbereitungseinrichtung 45, eine erste Verbindeeinrichtung 46, eine zweite Verbindeeinrichtung 47 und eine Tischeinrichtung 48 sowie eine Führung 49.As mentioned, the connecting and cutting device 12 of the cover sheet splicing arrangement 3 serves to produce the endless cover sheet 11 from the finite cover sheets 5, 8. It comprises a first preparation device 44, a second preparation device 45, a first connecting device 46, a second connecting device 47 and a table device 48 and a guide 49.

Die erste Vorbereitungseinrichtung 44 befindet sich gemäß Fig. 1, 2, 4 und 5 in dem Grundgestellträger 41 in einem Bereich oberhalb der ersten Deckbahnrolle 6, während sich die zweite Vorbereitungseinrichtung 45 im Bereich der zweiten Deckbahnrolle 9 oberhalb derselben in dem Grundgestellträger 41 befindet.The first preparation device 44 is in accordance with FIG Fig. 1 , 2nd , 4th and 5 in the base frame carrier 41 in an area above the first cover sheet roll 6, while the second preparation device 45 is located in the area of the second cover sheet roll 9 above the same in the base frame support 41.

Zwischen den beiden in den Figuren 1, 2, 4 und 5 endseitig angeordneten Vorbereitungseinrichtungen 44, 45 verläuft die Führung 49 gerade in/an dem Grundgestellträger 41 und parallel zu dem Boden, wobei die Vorbereitungseinrichtungen 44, 45 entlang der Führung 49 verlagerbar sind.Between the two in the Figures 1 , 2nd , 4th and 5 Preparation devices 44, 45 arranged at the end, the guide 49 runs straight in / on the base frame support 41 and parallel to the floor, the preparation devices 44, 45 being displaceable along the guide 49.

Die Tischeinrichtung 48 ist ebenfalls entlang der Führung 49 verlagerbar. Sie ist zwischen den beiden Vorbereitungseinrichtungen 44, 45 angeordnet. Die Vorbereitungseinrichtungen 44, 45 und die Tischeinrichtung 48 sind entlang der Führung 49 und relativ zu den Verbindeeinrichtungen 46, 47 verlagerbar.The table device 48 can also be moved along the guide 49. It is arranged between the two preparation devices 44, 45. The preparation devices 44, 45 and the table device 48 can be displaced along the guide 49 and relative to the connecting devices 46, 47.

Die Verbindeeinrichtungen 46, 47 sind längs der Führung 49 beabstandet zueinander angeordnet. Sie sind an dem Grundgestellträger 41 oberhalb der Führung 49 angeordnet.The connecting devices 46, 47 are arranged at a distance from one another along the guide 49. They are arranged on the base frame support 41 above the guide 49.

Die Vorbereitungseinrichtungen 44, 45 sind identisch aufgebaut und bezüglich einer vertikal verlaufenden Symmetrieebene symmetrisch angeordnet.The preparation devices 44, 45 are constructed identically and are arranged symmetrically with respect to a vertically running plane of symmetry.

Die erste Vorbereitungseinrichtung 44 weist zum Zuführen der endlichen ersten Deckbahn 5 eine drehbar gelagerte erste Transport- bzw. Haltewalze 50 und beispielsweise zum Querschneiden der zugeführten endlichen, ersten Deckbahn 5 eine erste Querschneideeinheit 51 auf.The first preparation device 44 has a rotatably mounted first transport or holding roller 50 for feeding the finite first cover web 5 and, for example, for cross cutting the supplied finite first cover web 5, a first cross cutting unit 51.

Die zweite Vorbereitungseinrichtung 45 weist zum Zuführen der endlichen zweiten Deckbahn 8 eine drehbar gelagerte zweite Transport- bzw. Haltewalze 52 und beispielsweise zum Querschneiden der zugeführten endlichen zweiten Materialbahn 8 eine zweite Querschneideinheit 53 auf.The second preparation device 45 has a rotatably mounted second transport or holding roller 52 for feeding the finite second cover web 8 and a second cross-cutting unit 53, for example for cross cutting the finite second material web 8.

Jede Vorbereitungseinrichtung 44, 45 weist zu ihrer Verlagerung entlang der Führung 49 einen eigenen ersten bzw. zweiten Verlagerungsantrieb auf.Each preparation device 44, 45 has its own first or second displacement drive for its displacement along the guide 49.

Die Verbindeeinrichtungen 46, 47 sind identisch ausgebildet und bezüglich einer vertikal verlaufenden Symmetrieebene symmetrisch an dem Grundgestellträger 41 angeordnet.The connecting devices 46, 47 are of identical design and are arranged symmetrically on the base frame carrier 41 with respect to a vertically running plane of symmetry.

Die erste Verbindeeinrichtung 46 umfasst zum Schneiden der endlichen ersten Deckbahn 5 vor dem Verbinden mit der endlichen zweiten Deckbahn 8 eine erste Schnitteinheit 54 und zum Verbinden der endlichen Deckbahnen 5, 8 zu der endlosen Deckbahn 11 eine erste Anpresswalze 55. Die erste Schnitteinheit 54 und die erste Anpresswalze 55 sind unmittelbar benachbart zu der Führung 49 derart an dem Grundgestellträger 41 angeordnet, dass die Transport- bzw. Haltewalzen 50, 52 der Vorbereitungseinrichtungen 44, 45 und die Tischeinrichtung 48 entlang der Führung 49 an der ersten Verbindeeinrichtung 46 vorbeiführbar sind.The first connecting device 46 comprises a first cutting unit 54 for cutting the finite first cover sheet 5 before connecting to the finite second cover sheet 8 and a first pressure roller 55 for connecting the finite cover sheets 5, 8 to the endless cover sheet 11. The first cutting unit 54 and the first pressure roller 55 are arranged directly adjacent to the guide 49 on the base frame carrier 41 such that the transport or holding rollers 50, 52 of the preparation devices 44, 45 and the table device 48 can be guided past the first connecting device 46 along the guide 49.

Die erste Anpresswalze 55 bildet in einer entsprechenden verlagerten Position der zweiten Transport- bzw. Haltewalze 52 mit dieser einen Verbindungsspalt zum Durchführen der verbindenden endlichen Deckbahnen 5, 8 und eines Klebebands aus, das davor händisch entsprechend an einem Bahnanfang der endlichen zweiten Deckbahn 8 zur Verbindung mit der endlichen ersten Deckbahn 5 bzw. der endlosen Deckbahn 11 angebracht worden ist.In a corresponding shifted position of the second transport or holding roller 52, the first pressure roller 55 forms a connecting gap with the latter for carrying out the connecting finite cover sheets 5, 8 and an adhesive tape which has been previously attached by hand at a beginning of the sheet of the finite second cover sheet 8 for connection to the finite first cover sheet 5 or the endless cover sheet 11.

Die zweite Verbindeinrichtung 47 umfasst zum Schneiden der endlichen zweiten Deckbahn 8 vor dem Verbinden mit der endlichen ersten Deckbahn 5 eine zweite Schnitteinheit 56 und zum Verbinden der endlichen Deckbahnen 5, 8 zu der endlosen Deckbahn 11 eine zweite Anpresswalze 57. Die zweite Schnitteinheit 56 und die zweite Anpresswalze 57 sind unmittelbar benachbart zu der Führung 49 derart an dem Grundgestellträger 41 angeordnet, dass die Transport- bzw. Haltewalzen 50, 52 der Vorbereitungseinrichtungen 44, 45 und die Tischeinrichtung 48 entlang der Führung 49 an der zweiten Verbindeeinrichtung 47 vorbeiführbar sind.The second connecting device 47 comprises a second cutting unit 56 for cutting the finite second cover web 8 before the connection to the finite first cover web 5 and a second pressure roller 57 for connecting the finite cover webs 5, 8 to the endless cover web 11 second pressure roller 57 are arranged directly adjacent to the guide 49 on the base frame support 41 such that the transport or holding rollers 50, 52 of the preparation devices 44, 45 and the table device 48 can be guided past the second connecting device 47 along the guide 49.

Die zweite Anpresswalze 57 bildet in einer entsprechenden verlagerten Position der ersten Transport- bzw. Haltewalze 50 mit dieser einen Verbindungsspalt zum Durchführen der verbindenden endlichen Deckbahnen 5, 8 und eines Klebebands aus, das davor händisch entsprechend an einem Bahnanfang der endlichen ersten Deckbahn 5 zur Verbindung mit der endlichen zweiten Deckbahn 8 bzw. der endlosen Deckbahn 11 angebracht worden ist.In a corresponding shifted position of the first transport or holding roller 50, the second pressure roller 57 forms a connecting gap with the latter for the connection of the connecting finite cover webs 5, 8 and an adhesive tape, which in front of it manually connects the finite first cover web 5 for connection with the finite second cover sheet 8 or the endless cover sheet 11 has been attached.

Die Tischeinrichtung 48 wirkt in Abhängigkeit ihrer Position mit der ersten Vorbereitungseinrichtung 46, der zweiten Vorbereitungseinrichtung 47, der ersten Verbindeeinrichtung 46 bzw. der zweiten Verbindeeinrichtung 47 zusammen und ist, insbesondere auch unabhängig von diesen, entlang der Führung 49 verlagerbar.Depending on its position, the table device 48 interacts with the first preparation device 46, the second preparation device 47, the first connecting device 46 and the second connecting device 47 and, in particular also independently of these, can be displaced along the guide 49.

Der Verbinde- und Schneidevorrichtung 12 ist in Förderrichtung 58 der endlosen Deckbahn 11 bzw. der endlichen ersten Deckbahn 5 bzw. der endlichen zweiten Deckbahn 8 eine Materialbahn-Einfädel-Assistenzanordnung 59 nachgeordnet, die im Wesentlichen oberhalb des zweiten Tragarms 40 an dem Grundgestellträger 41 angeordnet ist.The connecting and cutting device 12 is arranged in the conveying direction 58 of the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8, a material web threading assistance arrangement 59, which is arranged essentially above the second support arm 40 on the base frame carrier 41 is.

Die Materialbahn-Einfädel-Assistenzanordnung 59 umfasst zwei einander gegenüberliegende Rahmenwände 60, die an dem Grundgestellträger 41 befestigt sind.The material web threading assistance arrangement 59 comprises two mutually opposite frame walls 60 which are fastened to the base frame carrier 41.

Ferner hat die Materialbahn-Einfädel-Assistenzanordnung 59 eine erste Förderwalze 61 und eine zweite Förderwalze 62, die in den Rahmenwänden 60 drehantreibbar gelagert. Die Förderwalzen 61, 62 sind identisch und verlaufen parallel zueinander. Sie erstrecken sich senkrecht zu der Förderrichtung 58. Die Förderwalzen 61, 62 haben umfangsseitig eine Wolframkarbid-Beschichtung. Sie bilden Fördereinrichtungen.Furthermore, the material web threading-in assistance arrangement 59 has a first conveyor roller 61 and a second conveyor roller 62, which are rotatably supported in the frame walls 60. The conveyor rollers 61, 62 are identical and run parallel to one another. They extend perpendicular to the conveying direction 58. The conveying rollers 61, 62 have a tungsten carbide coating on the circumference. They form funding institutions.

Die Förderwalzen 61, 62 bilden zusammen einen Förderspalt 63 aus, durch den die endlose Deckbahn 11 bzw. die endliche erste Deckbahn 5 bzw. die endliche zweite Deckbahn 8 läuft. Die endlose Deckbahn 11 bzw. die endliche erste Deckbahn 5 bzw. die endliche zweite Deckbahn 8 liegt benachbart zu dem Förderspalt 63 an den Förderwalzen 61, 62 an. In dem Förderspalt 63 üben die Förderwalzen 61, 62 günstigerweise keine Presskraft auf die endlose Deckbahn 11 bzw. die endliche erste Deckbahn 5 bzw. die endliche zweite Deckbahn 8 aus.The conveyor rollers 61, 62 together form a conveyor gap 63 through which the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8 runs. The endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8 is adjacent to the conveyor gap 63 on the conveyor rollers 61, 62. Conveniently, in the nip 63, the conveyor rollers 61, 62 do not exert any pressing force on the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8.

Die Materialbahn-Einfädel-Assistenzanordnung 59 umfasst ferner zwei Förderwalzen-Antriebe 64, die eine Antriebseinrichtung bilden und jeweils eine Antriebswelle 65 aufweisen. Jeder Förderwalzen-Antrieb 64 ist an einer der Rahmenwände 60 innenseitig befestigt. Die Antriebswellen 65 fluchten miteinander und verlaufen parallel zu den Förderwalzen 61, 62. Auf jeder Antriebswelle 65 ist ein Antriebsritzel 66 drehfest angeordnet.The material web threading assistance arrangement 59 further comprises two conveyor roller drives 64, which form a drive device and each have a drive shaft 65. Each conveyor roller drive 64 is fastened on the inside to one of the frame walls 60. The drive shafts 65 are aligned with one another and run parallel to the conveyor rollers 61, 62. A drive pinion 66 is arranged on each drive shaft 65 in a rotationally fixed manner.

Jedes Antriebsritzel 66 kämmt unter Bildung, insbesondere unter Bildung eines schrägverzahnten, Stirnradgetriebes mit einem Kopplungszahnrad 67, das an der jeweiligen Rahmenwand 60 drehbar gelagert ist.Each drive pinion 66 meshes to form, in particular to form a helical, spur gear with a coupling gear 67 which is rotatably mounted on the respective frame wall 60.

Auf der ersten Förderwalze 61 sind an einander gegenüberliegenden Enden zwei erste Antriebszahnräder 68 drehfest angeordnet. Auf der zweiten Förderwalze 62 sind an einander gegenüberliegenden Enden zwei zweite Antriebszahnräder 69 drehfest angeordnet. Die Antriebszahnräder 68, 69 sind identisch.On the first conveyor roller 61, two first drive gear wheels 68 are arranged in a rotationally fixed manner at opposite ends. On the second conveyor roller 62, two second drive gears 69 are arranged in a rotationally fixed manner at opposite ends. The drive gears 68, 69 are identical.

Jedes Kopplungszahnrad 67 kämmt unter Bildung, insbesondere unter Bildung eines schrägverzahnten, Stirnradgetriebes, mit einem zweiten Antriebszahnrad 69, das wiederum unter Bildung, insbesondere unter Bildung eines schrägverzahnten, Stirnradgetriebes mit einem ersten Antriebszahnrad 68 kämmt. Die Förderwalzen 61, 62 sind somit miteinander gekoppelt und gegensinnig drehantreibbar.Each coupling gear 67 meshes with a second drive gear 69 to form, in particular with the formation of a helical spur gear, which in turn meshes with a first drive gear 68 to form, in particular with the formation of a helical, spur gear. The conveyor rollers 61, 62 are thus coupled to one another and can be driven in opposite directions.

Insgesamt hat die Materialbahn-Einfädel-Assistenzanordnung 59 zwei getriebeartige Kopplungsanordnungen. Jede Kopplungsanordnung ist benachbart zu einer Rahmenwand 60 und außenseitig in Bezug auf diese angeordnet. Jede Kopplungsanordnung ist durch ein Antriebsritzel 66, ein Kopplungszahnrad 67 und ein erstes Antriebszahnrad 68 sowie ein zweites Antriebszahnrad 69 gebildet, die miteinander kämmen. Jede Kopplungsanordnung ist in einer Schutzblende 70 untergebracht, die außenseitig an der benachbarten Rahmenwand 60 befestigt ist.Overall, the material web threading assistance arrangement 59 has two gear-type coupling arrangements. Each coupling arrangement is located adjacent to and on the outside of a frame wall 60. Each coupling arrangement is formed by a drive pinion 66, a coupling gear 67 and a first drive gear 68 and a second drive gear 69, which mesh with one another. Any coupling arrangement is accommodated in a protective screen 70 which is fastened on the outside to the adjacent frame wall 60.

Die Materialbahn-Einfädel-Assistenzanordnung 59 hat ferner ein erstes Schutzblechelement 71, das sich über der ersten Förderwalze 61 und den Förderspalt 63 erstreckt. Das erste Schutzblechelement 71 verläuft entlang der gesamten ersten Förderwalze 61. Ein zweites Schutzblechelement 72 der Materialbahn-Einfädel-Assistenzanordnung 59 erstreckt sich unter der zweiten Förderwalze 62 und überdeckt auch einen der ersten Förderwalze 61 abgewandten Bereich der zweiten Förderwalze 62. Es erstreckt sich entlang der gesamten zweiten Förderwalze 62.The material web threading assistance arrangement 59 also has a first mudguard element 71, which extends over the first conveyor roller 61 and the conveyor gap 63. The first fender element 71 runs along the entire first conveyor roller 61. A second fender element 72 of the material web threading assistance arrangement 59 extends under the second conveyor roller 62 and also covers a region of the second conveyor roller 62 facing away from the first conveyor roller 61. It extends along the entire second conveyor roller 62.

Jedem Förderwalzen-Antrieb 64 ist ein Drehzahlsensor 73 zugeordnet. Jeder Drehzahlsensor 73 ist imstande, die aktuell vorherrschende Drehzahl des Förderwalzen-Antriebs 64, insbesondere von dessen Antriebswelle 65, zu erfassen. Jeder Drehzahlsensor 73 steht mit einer elektronischen Kontrolleinheit 74 in Signalverbindung, die eine Sollwert-Vorgabeeinheit 75 zum Vorgeben von Sollwerten, insbesondere für den jeweiligen Förderwalzen-Antrieb 64, umfasst.A speed sensor 73 is assigned to each conveyor roller drive 64. Each speed sensor 73 is able to detect the currently prevailing speed of the conveyor roller drive 64, in particular of its drive shaft 65. Each speed sensor 73 is in signal connection with an electronic control unit 74, which comprises a setpoint specification unit 75 for specifying setpoints, in particular for the respective conveyor roller drive 64.

Stromabwärts zu der Materialbahn-Einfädel-Assistenzanordnung 59 in Bezug auf die Förderrichtung 58 ist eine erste Umlenkwalze 75 angeordnet, die drehbar an einem Speicherwagen 76 gelagert ist. Der Speicherwagen 76 ist im Bereich eines dem Grundgestellständer 43 abgewandten, oberen Endes des Grundgestellträgers 41 in der Deckbahn-Spliceanordnung 3 angeordnet und ist entlang einer Speicherwagenführung 77 verlagerbar, die sich parallel zu dem Boden und oberhalb der Führung 49 in der Deckbahn-Spliceanordnung 3 erstreckt. Die Speicherwagenführung 77 gibt eine Verlagerungsbahn für den Speicherwagen 76 vor und erstreckt sich im Wesentlichen entlang des gesamten Grundgestellträgers 41. Der Speicherwagen 76 ist dabei zwischen einer ersten Endposition und einer zweiten Endposition verlagerbar. Er ist in gegensinnigen Verlagerungsrichtungen verlagerbar.A first deflection roller 75, which is rotatably mounted on a storage carriage 76, is arranged downstream of the material web threading assistance arrangement 59 with respect to the conveying direction 58. The storage trolley 76 is arranged in the region of an upper end of the base frame support 41 facing away from the base frame stand 43 in the cover sheet splice arrangement 3 and can be displaced along a storage carriage guide 77 which extends parallel to the floor and above the guide 49 in the cover sheet splice arrangement 3 . The storage carriage guide 77 specifies a displacement path for the storage carriage 76 and extends essentially along the entire base frame carrier 41. The storage carriage 76 can be displaced between a first end position and a second end position. It can be shifted in opposite directions.

In der ersten Endposition ist der Speicherwagen 76 benachbart zu einem Materialbahnauslauf 78 der Deckbahn-Spliceanordnung 3 angeordnet, während sich der Speicherwagen 76 in der zweiten Endposition beabstandet bzw. entfernt zu dem Materialbahnauslauf 78 der Deckbahn-Spliceanordnung 3 befindet. Gemäß den Fig. 1, 2, 4 und 5 befindet sich der Speicherwagen 76 in der ersten Endposition benachbart zu dem Materialbahnauslauf 78.In the first end position, the storage carriage 76 is arranged adjacent to a material web outlet 78 of the cover sheet splicing arrangement 3, while the storage carriage 76 in the second end position is spaced or distant from the material web outlet 78 of the cover sheet splicing arrangement 3. According to the Fig. 1 , 2nd , 4th and 5 the storage carriage 76 is in the first end position adjacent to the material web outlet 78.

Zur Umlenkung der endlosen Deckbahn 11 bzw. der endlichen ersten Deckbahn 5 bzw. der endlichen zweiten Deckbahn 8 ist im Bereich des Materialbahnauslaufs 78 oberhalb des Speicherwagens 76 eine zweite Umlenkwalze 79 drehbar an dem Grundgestellträger 41 der Deckbahn-Spliceanordnung 3 gelagert. Die zweite Umlenkwalze 79 ist bezüglich der Förderrichtung 58 der ersten Umlenkwalze 75 nachgeordnet.In order to deflect the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8, a second deflecting roller 79 is rotatably mounted on the base frame carrier 41 of the cover sheet splice arrangement 3 in the area of the material web outlet 78 above the storage carriage 76. The second deflection roller 79 is arranged downstream of the first deflection roller 75 with respect to the conveying direction 58.

Der zweiten Umlenkwalze 79 ist in Bezug auf die Förderrichtung 58 eine dritte Umlenkwalze 80 nachgeordnet, die an dem Speicherwagen 76 drehbar gelagert und benachbart zu der ersten Umlenkwalze 75 angeordnet ist. Die dritte Umlenkwalze 80 hat einen geringeren Abstand zu dem Materialbahnauslauf 78 als die erste Umlenkwalze 75.The second deflection roller 79 is followed by a third deflection roller 80 with respect to the conveying direction 58, which is rotatably mounted on the storage carriage 76 and is arranged adjacent to the first deflection roller 75. The third deflection roller 80 has a smaller distance from the material web outlet 78 than the first deflection roller 75.

Zur Umlenkung der endlosen Deckbahn 11 bzw. der endlichen ersten Deckbahn 5 bzw. der endlichen zweiten Deckbahn 8 ist im Bereich des Materialbahnauslaufs 78 eine vierte Umlenkwalze 81 auf Höhe der Speicherwagenführung 77 an dem Grundgestellträger 41 der Deckbahn-Spliceanordnung 3 drehbar gelagert. Die vierte Umlenkwalze 81 ist der dritten Umlenkwalze 80 in Bezug auf die Förderrichtung 58 nachgeordnet.In order to deflect the endless cover sheet 11 or the finite first cover sheet 5 or the finite second cover sheet 8, a fourth deflecting roller 81 is located in the area of the material web outlet 78 at the level of the storage carriage guide 77 rotatably mounted on the base frame support 41 of the cover sheet splicing arrangement 3. The fourth deflection roller 81 is arranged downstream of the third deflection roller 80 with respect to the conveying direction 58.

Der vierten Umlenkwalze 81 ist in Bezug auf die Förderrichtung 58 eine fünfte Umlenkwalze 82 nachgeordnet, die an dem Speicherwagen 76 drehbar gelagert ist. Die dritte Umlenkwalze 80 ist zwischen der ersten Umlenkwalze 75 und der fünften Umlenkwalze 82 angeordnet. Die Drehachsen der Umlenkwalzen 75, 80, 82 verlaufen parallel zueinander und liegen in einer gemeinsamen, insbesondere horizontalen, Ebene.The fourth deflection roller 81 is followed by a fifth deflection roller 82 with respect to the conveying direction 58, which is rotatably mounted on the storage carriage 76. The third deflection roller 80 is arranged between the first deflection roller 75 and the fifth deflection roller 82. The axes of rotation of the deflecting rollers 75, 80, 82 run parallel to one another and lie in a common, in particular horizontal, plane.

Aufgrund der identischen Ausbildung der Deckbahn-Spliceanordnung 3, der Zwischenbahn-Spliceanordnung 4 und der Kaschierbahn-Spliceanordnung 30 haben somit auch die Zwischenbahn-Spliceanordnung 4 und die Kaschierbahn-Spliceanordnung 30 eine Materialbahn-Einfädel-Assistenzanordnung 59.Due to the identical design of the cover web splicing arrangement 3, the intermediate web splicing arrangement 4 and the laminating web splicing arrangement 30, the intermediate web splicing arrangement 4 and the laminating web splicing arrangement 30 therefore also have a material web threading assistant arrangement 59.

Nachfolgend wird das Einfädeln der endlichen zweiten Deckbahn 8 in die Deckbahn-Spliceanordnung 3 beispielhaft beschrieben. Auf das Splicen wird nicht näher eingegangen, da dieses in bekannter Weise erfolgt. Das Einfädeln einer endlichen Materialbahn in die Zwischenbahn-Spliceanordnung 4 bzw. die Kaschierbahn-Spliceanordnung 30 erfolgt analog, so dass auf eine entsprechende Beschreibung zur Vermeidung unnötiger Wiederholungen verzichtet wird.The threading of the finite second cover sheet 8 into the cover sheet splice arrangement 3 is described by way of example below. The splicing will not be dealt with in detail since this is done in a known manner. The threading of a finite material web into the intermediate web splicing arrangement 4 or the laminating web splicing arrangement 30 is carried out analogously, so that a corresponding description to avoid unnecessary repetitions is dispensed with.

Der Speicherwagen 76 befindet sich vor dem Einfädelvorgang bei der zweiten Endposition beabstandet zu dem Materialbahnauslauf 78.Before the threading process, the storage carriage 76 is spaced apart from the material web outlet 78 at the second end position.

Für den Einfädelvorgang wird der Speicherwagen 76 entlang der Speicherwagenführung 77 in die erste Endposition verlagert, was in Fig. 2 veranschaulicht ist. Die Kontrolleinheit 74 prüft zunächst, ob für die Durchführung des Einfädelvorgangs zwischen den Förderwalzen-Antrieben 64 und dem Speicherwagen 76 der notwendige Sicherheitsabstand x vorliegt. Bejahendenfalls ist die Materialbahn-Einfädel-Assistenzanordnung 59 von einem Bediener (nicht dargestellt) in Betrieb setzbar. Die Förderwalzen-Antriebe 64 sind so für den Einfädelvorgang einschaltbar. Die zweite Vorbereitungseinrichtung 45 und die Tischeinrichtung 48 sind in eine Haltestellung benachbart zu der zweiten Zuführwalze 38 gefahren.For the threading process, the storage carriage 76 is displaced along the storage carriage guide 77 into the first end position, which is shown in FIG Fig. 2 is illustrated. The control unit 74 first checks whether the necessary safety distance x is present for carrying out the threading operation between the conveyor roller drives 64 and the storage carriage 76. In the affirmative, the material web threading assistance arrangement 59 can be put into operation by an operator (not shown). The conveyor roller drives 64 can thus be switched on for the threading process. The second preparation device 45 and the table device 48 have been moved into a holding position adjacent to the second feed roller 38.

Die endliche zweite Deckbahn 8 wird über die zweite Zuführwalze 38, wo die endliche zweite Deckbahn 8 um etwa 30° bis 50° umgelenkt wird, zu der Verbinde- und Schneidevorrichtung 12 geführt. Die zweite endliche Deckbahn 8 wird zwischen der ersten Anpresswalze 55 und der zweiten Anpresswalze 57 hindurchgeführt. Sie liegt an der zweiten Anpresswalze 57 bereichsweise umfangsseitig an und wird umgelenkt.The finite second cover sheet 8 is guided to the connecting and cutting device 12 via the second feed roller 38, where the finite second cover sheet 8 is deflected by approximately 30 ° to 50 °. The second finite cover sheet 8 is passed between the first pressure roller 55 and the second pressure roller 57. It bears on the second pressure roller 57 in some areas on the circumference and is deflected.

Die endliche zweite Deckbahn 8 wird dann unter dem ersten Schutzblechelement 71 zu der ersten Förderwalze 61 geführt. Die endliche zweite Deckbahn 8 wird dann von oben in den Förderspalt 63 eingeführt. Sie verläuft dann zwischen dem zweiten Schutzblechelement 72 und der zweiten Förderwalze 62. Die endliche zweite Deckbahn 8 umschlingt die beiden Fördenwalzen 61, 62 und liegt an diesen bereichsweise umfangsseitig an.The finite second cover sheet 8 is then guided under the first mudguard element 71 to the first conveyor roller 61. The finite second cover sheet 8 is then inserted into the conveyor gap 63 from above. It then runs between the second mudguard element 72 and the second conveyor roller 62. The finite second cover sheet 8 wraps around the two conveyor rollers 61, 62 and lies on the circumference thereof in some areas.

Anschließend wird die endliche zweite Deckbahn 8 um die erste Umlenkwalze 75 an dem Speicherwagen 76 geführt. Anschließend wird die endliche zweite Deckbahn 8 um die ortsfeste zweite Umlenkwalze 79 geführt. Anschließend wird die endliche zweite Deckbahn 8 um die dritte Umlenkwalze 80 an dem Speicherwagen 76 geführt. Anschließend wird die endliche zweite Deckbahn 8 um die ortsfeste vierte Umlenkwalze 81 geführt. Anschließend wird die endliche zweite Deckbahn 8 um die fünfte Umlenkwalze 82 an dem Speicherwagen 76 geführt. Anschließend verlässt die endliche zweite Deckbahn 8 über den Materialbahnauslauf 78 die Deckbahn-Splicevorrichtung 3.The finite second cover sheet 8 is then guided around the first deflecting roller 75 on the storage carriage 76. The finite second cover sheet 8 is then guided around the stationary second deflection roller 79. Then the finite second cover sheet 8 is around the third deflecting roller 80 performed on the storage car 76. The finite second cover sheet 8 is then guided around the stationary fourth deflection roller 81. The finite second cover sheet 8 is then guided around the fifth deflecting roller 82 on the storage carriage 76. The finite second cover sheet 8 then leaves the cover sheet splicing device 3 via the material sheet outlet 78.

Die beiden Förderwalzen 61, 62 sind durch die Förderwalzen-Antriebe 64 mit einer Einfädelumfangsgeschwindigkeit von 5 m/min bis 15 m/min um ihre Drehachsen derart angetrieben, dass der Einfädelvorgang durch die Förderwalzen 61, 62 assistierend unterstützt wird.The two conveyor rollers 61, 62 are driven by the conveyor roller drives 64 at a circumferential threading speed of 5 m / min to 15 m / min about their axes of rotation such that the threading process is assisted by the conveyor rollers 61, 62.

Damit die Förderwalzen 61, 62 die endliche zweite Deckbahn 8 in der Förderrichtung 58 fördern, wird auf die endliche zweite Deckbahn 8 bei dem Materialbahnauslauf 78 eine entsprechende Zugkraft von einem Bediener händisch aufgebracht, was in Fig. 4 durch den Zugpfeil veranschaulicht ist. Die Reibung zwischen den Förderwalzen 61, 62 und der endlichen zweiten Deckbahn 8 ist dann ausreichend, damit die endliche zweite Deckbahn 8 durch die rotierenden Förderwalzen 61, 62 gefördert wird. Die Förderwalzen 61, 62 greifen dabei reibend an der endlichen zweiten Deckbahn 8 an und fördern diese in der Förderrichtung 58 mit einer Einfädelgeschwindigkeit. Die Förderwalzen 61, 62 greifen dabei über die gesamte Breite an der endlichen zweiten Deckbahn 8 an, so dass die Materialbahn-Einfädel-Assistenzanordnung 59 besonders bei schweren Bahnrollen bzw. leichten Bahnen vorteilhaft ist.So that the conveyor rollers 61, 62 convey the finite second cover sheet 8 in the conveying direction 58, a corresponding tensile force is applied manually by an operator to the finite second cover sheet 8 at the material web outlet 78, which is shown in FIG Fig. 4 is illustrated by the pull arrow. The friction between the conveyor rollers 61, 62 and the finite second cover sheet 8 is then sufficient for the finite second cover sheet 8 to be conveyed by the rotating conveyor rollers 61, 62. The conveyor rollers 61, 62 rub against the finite second cover sheet 8 and convey it in the conveying direction 58 at a threading speed. The conveyor rollers 61, 62 act on the finite second cover web 8 over the entire width, so that the material web threading assistance arrangement 59 is particularly advantageous with heavy web rolls or light webs.

Wenn die Zugkraft von dem Bediener reduziert wird, entsteht Schlupf zwischen den Förderwalzen 61, 62 und der endlichen zweiten Deckbahn 8. Dabei hebt sich die endliche zweite Deckbahn 8 von der zweiten Förderwalze 62 unter Bildung einer Schlaufe 83 ab. Die endliche zweite Materialbahn 8 wird so nicht länger in der Förderrichtung 58 gefördert und ist dann insbesondere in ihrer Querrichtung verlagerbar. Das ist in Fig. 5 gezeigt.When the operator reduces the pulling force, there is slippage between the conveyor rollers 61, 62 and the finite second cover web 8. The finite second cover web 8 lifts off the second conveyor roller 62 from forming a loop 83. The finite second material web 8 is no longer conveyed in the conveying direction 58 and can then be displaced in particular in its transverse direction. Is in Fig. 5 shown.

Wenn die Deckbahn-Spliceanordnung 3 die endlose Deckbahn 11 normal zur Herstellung einer mehrlagigen Wellpappebahn fördert, läuft diese durch die Materialbahn-Einfädel-Assistenzanordnung 59. Die Materialbahn-Einfädel-Assistenzanordnung 59 unterstützt dann günstigerweise die Förderung der endlosen Deckbahn 11 und ist entsprechend angetrieben.If the cover web splicing arrangement 3 conveys the endless cover web 11 normally for the production of a multi-layer corrugated cardboard web, this runs through the material web threading assistance arrangement 59. The material web threading assistant arrangement 59 then advantageously supports the conveyance of the endless cover web 11 and is driven accordingly.

Das Einfädeln der endlichen ersten Deckbahn 5 erfolgt analog. Ebenso erfolgt das Einfädeln der endlichen ersten Zwischenbahn 13 oder endlichen zweiten Zwischenbahn 16 in die Zwischenbahn-Spliceanordnung 4 und das Einfädeln der endlichen ersten Kaschierbahn 31 oder der endlichen zweiten Kaschierbahn 34 in die Kaschierbahn-Spliceanordnung 30 analog.The finite first cover sheet 5 is threaded analogously. Likewise, the threading of the finite first intermediate web 13 or finite second intermediate web 16 into the intermediate web splicing arrangement 4 and the threading of the finite first laminating web 31 or the finite second laminating web 34 into the laminating web splicing arrangement 30 are carried out analogously.

Claims (14)

  1. Splicer assembly for splicing material webs,
    a. having a first dispensing device (7, 15, 33) for dispensing a finite first material web (5, 13, 31),
    b. having a second dispensing device (10, 18, 30) for dispensing a finite second material web (8, 16, 34),
    c. having a connecting device (12) for connecting the finite first material web (5, 13, 31) and the finite second material web (8, 16, 34) so as to form an endless material web (11, 19), and
    d. having a material web threading assistance assembly (59) for assisted threading of the finite first material web (5, 13, 31) or of the finite second material web (8, 16, 34) into the splicer assembly in a threading procedure, wherein the material web threading assistance assembly (59) comprises
    i. at least one conveying installation (61, 62) for conveying the finite material web (5, 13, 31, 8, 16, 34) to be threaded in a threading direction (58) in the threading procedure, and
    ii. a conveying installation drive installation (64) for driving the at least one conveying installation (61, 62) in the threading procedure,
    characterized in that
    e. when traction is applied to the threaded finite material web (5, 13, 31, 8, 16, 34) in the threading direction (58) downstream of the material web threading assistance assembly (59) in terms of the threaded finite material web (5, 13, 31, 8, 16, 34), the at least one conveying installation (61, 62) conveys the threaded finite material web (5, 13, 31, 8, 16. 34) in the threading direction (58), and
    f. when insufficient traction is applied to the threaded finite material web (5, 13, 31, 8, 16, 34) in the threading direction (58) downstream of the material web threading assistance assembly (59) in terms of the threaded finite material web (5, 13, 31, 8, 16, 34), a conveyance of the threaded finite material web (5, 13, 31, 8, 16, 34) by the at least one conveying installation (61, 62) in the threading direction (58) is omitted.
  2. Splicer assembly according to Claim 1, characterized in that the at least one conveying installation (61, 62) in the threading procedure conveys the finite material web (5, 13, 31, 8, 16, 34) to be threaded at a threading speed which is lower, preferably substantially lower, than a conveying speed of the splicer assembly when conveying the endless material web (11) for production of a multi-layered web, in particular a corrugated cardboard web (2).
  3. Splicer assembly according to either of Claims 1 and 2, characterized in that the conveying installation drive installation (64) is manually activatable for the threading procedure.
  4. Splicer assembly according to one of the preceding claims, characterized in that the material web threading assistance assembly (59) is able to be set in operation for the threading procedure only when a minimum safety spacing (x) is maintained between a storage truck (76), which is displaceable longitudinally along a storage ruck guide (77) influencing a stored quantity of the endless material web (11, 19), of the splicer assembly for conveying without interruptions the endless material web (11, 19) and the at least one conveying installation (61, 62).
  5. Splicer assembly according to one of the preceding claims, characterized in that the material web threading assistance assembly (59) in terms of the finite material web (5, 13, 31, 8, 16, 34) to be threaded is disposed downstream of the connecting device (12).
  6. Splicer assembly according to one of the preceding claims, characterized in that the material web threading assistance assembly (59) in terms of the finite material web (5, 13, 31, 8, 16, 34) to be threaded is disposed upstream of a storage truck (76) of the splicer assembly.
  7. Splicer assembly according to one of the preceding claims, characterized in that the material web threading assistance assembly (59) and a storage truck (76), which is displaceable longitudinally along a storage ruck guide (77) influencing a stored quantity of the endless material web (11, 19), of the splicer assembly in the threading procedure are disposed so as to be mutually adjacent.
  8. Splicer assembly according to one of the preceding claims, characterized in that the conveying installation drive installation (64) in the threading procedure is impinged with a nominal torque.
  9. Splicer assembly according to one of the preceding claims, characterized in that at least one material web deflection roller (79) which is disposed above a storage truck guide (77) for displacing a storage truck (76) of the splicer assembly in terms of the finite material web (5, 13, 31, 8, 16, 34) to be threaded is disposed downstream of the material web threading assistance assembly (59).
  10. Splicer assembly according to one of the preceding claims, characterized in that the material web threading assistance assembly (59) has at least one protective element (71, 72) which for the protection of an operator at least in regions is disposed so as to be adjacent to the at least one conveying installation (61, 62) and/or conveying installation drive installation (64).
  11. Splicer assembly according to one of the preceding claims, characterized in that the at least one conveying installation (61, 62) at least in regions externally has a friction face for engaging on the finite material web (5, 13, 31, 8, 16, 34) to be threaded.
  12. Splicer assembly according to Claim 11, characterized in that the at least one conveying installation (61, 62) is formed by at least one conveying roller (61, 62), wherein two of the conveying rollers (61, 62) are favourably present, wherein the conveying rollers (61, 62) in the threading procedure are favourably driven in mutually opposite directions, wherein the conveying rollers (61, 62) are favourably intercoupled by a coupling assembly.
  13. Splicer assembly according to one of the preceding claims, characterized in that in the case of an insufficient tensile force in the threading direction (58), slippage arises between the threaded finite material web (5, 13, 31, 8, 16, 34) and the at least one conveying installation (61, 62) and the threaded finite material web (5, 13, 31, 8, 16, 34) at least in regions is raised from the at least one conveying installation (61, 62).
  14. Method for splicing material webs, comprising the following steps:
    - dispensing a finite first material web (5, 13, 31) by means of a first dispensing device (7, 15, 33),
    - dispensing a finite second material web (8, 16, 34) by means of a second dispensing device (10, 18, 30),
    - connecting the finite first material web (5, 13, 31) and the finite second material web (8, 16, 34) by means of a connecting device (12) so as to form an endless material web (11, 19), and
    - assisted threading of the finite first material web (5, 13, 31) or of the finite second material web (8, 16, 34) into the splicer assembly in a threading procedure by means of a material web threading assistance assembly (59),
    -- wherein at least one conveying installation (61, 62) of the material web threading assistance assembly (59) in the threading procedure drives the finite material web (5, 13, 31, 8, 16, 34) to be threaded in a threading direction (58),
    -- wherein a conveying installation drive installation (64) of the material web threading assistance assembly (59) in the threading procedure drives the at least one conveying installation (61, 62),
    -- when traction is applied to the threaded finite material web (5, 13, 31, 8, 16, 34) in the threading direction (58) downstream of the material web threading assistance assembly (59) in terms of the threaded finite material web (5, 13, 31, 8, 16, 34), the at least one conveying installation (61, 62) conveys the threaded finite material web (5, 13, 31, 8, 16. 34) in the threading direction (58),
    -- when insufficient traction is applied to the threaded finite material web (5, 13, 31, 8, 16, 34) in the threading direction (58) downstream of the material web threading assistance assembly (59) in terms of the threaded finite material web (5, 13, 31, 8, 16, 34), a conveyance of the threaded finite material web (5, 13, 31, 8, 16, 34) by the at least one conveying installation (61, 62) in the threading direction (58) is omitted.
EP17195594.1A 2016-10-25 2017-10-10 Splice assembly Active EP3315439B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016012760.0A DE102016012760A1 (en) 2016-10-25 2016-10-25 Spliceanordnung

Publications (2)

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EP3315439A1 EP3315439A1 (en) 2018-05-02
EP3315439B1 true EP3315439B1 (en) 2020-06-17

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Application Number Title Priority Date Filing Date
EP17195594.1A Active EP3315439B1 (en) 2016-10-25 2017-10-10 Splice assembly

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US (1) US10696507B2 (en)
EP (1) EP3315439B1 (en)
CN (1) CN107986063B (en)
DE (1) DE102016012760A1 (en)
ES (1) ES2809153T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018214853A1 (en) * 2018-08-31 2020-03-05 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Method for inserting a material web into a corrugating device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB335917A (en) * 1929-06-01 1930-10-01 Goss Printing Press Co Ltd Improvements in or relating to web supplying and controlling mechanism
GB822921A (en) * 1956-05-22 1959-11-04 Champlain Company Inc Apparatus for splicing webs of cardboard and the like
US3089661A (en) * 1961-06-14 1963-05-14 American Mach & Foundry Automatic cigarette paper splicer
NL284477A (en) * 1961-11-30
DE3816224C1 (en) * 1988-05-11 1989-12-07 Bhs-Bayerische Berg-, Huetten- Und Salzwerke Ag, 8000 Muenchen, De
DE3816223A1 (en) * 1988-05-11 1989-11-23 Bhs Bayerische Berg DEVICE FOR SPLICING RAILWAYS, ESPECIALLY PAPER RAILWAYS FOR THE PRODUCTION OF CARDBOARD
JPH02240747A (en) * 1989-03-15 1990-09-25 Hitachi Ltd Electronic conversation system for network data base
DE4013656C2 (en) * 1990-04-27 1994-04-21 Bhs Bayerische Berg Device for splicing webs, in particular paper webs for the production of corrugated cardboard
US6451145B1 (en) * 1998-03-09 2002-09-17 Frontier Industrial Technology, Inc. Web splicing system
JP2002012349A (en) * 2000-04-27 2002-01-15 Mitsubishi Heavy Ind Ltd Paper splicing device and corrugating machine
JP4512019B2 (en) * 2005-09-30 2010-07-28 三菱重工業株式会社 Paper splicing device
US20120085483A1 (en) 2010-10-12 2012-04-12 Marquip, Llc Method and Apparatus for Running Short Orders on the Wet End of a Corrugator
DE102014207050A1 (en) * 2014-04-11 2015-10-15 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Splice device

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Also Published As

Publication number Publication date
CN107986063A (en) 2018-05-04
US10696507B2 (en) 2020-06-30
EP3315439A1 (en) 2018-05-02
CN107986063B (en) 2020-03-17
US20180111776A1 (en) 2018-04-26
DE102016012760A1 (en) 2018-04-26
ES2809153T3 (en) 2021-03-03

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