EP3616897B1 - Procédé d'introduction d'un rail de matériau dans un dispositif égrugeoir - Google Patents

Procédé d'introduction d'un rail de matériau dans un dispositif égrugeoir Download PDF

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Publication number
EP3616897B1
EP3616897B1 EP19189156.3A EP19189156A EP3616897B1 EP 3616897 B1 EP3616897 B1 EP 3616897B1 EP 19189156 A EP19189156 A EP 19189156A EP 3616897 B1 EP3616897 B1 EP 3616897B1
Authority
EP
European Patent Office
Prior art keywords
material web
adhesive
roller
corrugating
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
EP19189156.3A
Other languages
German (de)
English (en)
Other versions
EP3616897A1 (fr
Inventor
Maximilian Wagner
Markus Fischer
Michael Dehling
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 EP3616897A1 publication Critical patent/EP3616897A1/fr
Application granted granted Critical
Publication of EP3616897B1 publication Critical patent/EP3616897B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2822—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard involving additional operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2818—Glue application specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2831—Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/285—Heating or drying equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/102—Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/41419—Starting winding process
    • B65H2301/41427—Starting winding process involving arrangements for securing leading edge to core, e.g. adhesive tape

Definitions

  • the invention relates to a method for introducing a material web into a corrugating device for producing a corrugated web from the material web according to the preamble of claim 1.
  • Corrugating devices for producing corrugated webs from smooth webs of material are generally known from the prior art through prior public use.
  • the introduction of a material web into the corrugating device is often time-consuming or difficult.
  • the new introduction of the material web into the corrugating device is necessary, for example, after the corrugating device has been replaced.
  • the generic EP 1 149 788 A2 discloses a corrugated board machine with a splicer.
  • the splicing device comprises a splice part with an adhesive tape sticking device for sticking a pressure-sensitive, double-sided adhesive tape to one end of a new fiber web.
  • the new fiber web can thus be adhesively connected to an old fiber web.
  • the invention is based on the object of providing a method for introducing a material web into a corrugating device which is on the one hand particularly functionally reliable and on the other hand extremely simple.
  • the essence of the invention lies in a double-sided or double-sided piece of adhesive tape or tape, which is used for inserting or threading the material web into a corrugating device on the one hand with its first adhesive surface on the material web and on the other hand during or after passing through the corrugating device with its second adhesive surface adheres to the corrugated roller, in particular on the circumferential side, and is thus carried along by the rotating corrugated roller, which thus also leads to a corresponding entrainment of the material web.
  • the material web is deflected by the rotating corrugated roller.
  • the corrugating roller favorably rotates around its axis of rotation when the material web is inserted into the corrugating device. Even during the actual corrugating process, the corrugating roller preferably rotates about this axis of rotation.
  • the material web is advantageously originally smooth. It consists for example of cellulose or cardboard or paper. It is advantageous if the material web is endless and single-ply.
  • the corrugating device has at least one counter-body which is assigned to the corrugating roller and with this forms a corrugating gap for corrugating the material web to produce the corrugated web. It is advantageous if the counter body is designed as a further corrugated roller.
  • the at least one piece of adhesive tape is / is arranged on the material web in such a way that its second adhesive surface faces away from the material web and, during / after the material web has been passed through the corrugating device, faces the corrugated roller or rests against it, in particular adhering to it.
  • the first adhesive surface faces away from the corrugated roller deflecting the material web.
  • the at least one piece of adhesive tape is advantageously attached at a distance from the corrugating device, so that a supply of adhesive tape pieces remains unaffected by the active corrugating device, in particular thermally.
  • the at least one piece of adhesive tape is / is attached to the material web in a central region in relation to a transverse direction of the material web.
  • the at least one piece of adhesive tape is favorably arranged in an at least later end or tip region of the material web.
  • the at least one piece of adhesive tape is like a label. Finished pieces of adhesive tape or adhesive labels are preferably provided and, in particular, used in full. Alternatively, the at least one piece of adhesive tape comes from a flexible strip of adhesive tape. An adhesive tape separating device is then advantageously present.
  • a first adhesive or a first adhesive is arranged on an adhesive layer or film, in particular in layers, with the formation of a first adhesive surface, which is preferably made of a thermoplastic elastomer such as polyester, in particular unreinforced copolyester, and / or Polyurethane.
  • the adhesive layer or film preferably forms a carrier medium. It has or preferably carries a second adhesive or a second adhesive.
  • the first adhesive or the first adhesive can be in the form of a film. It is useful if the second adhesive surface is formed on the adhesive layer or film.
  • the first adhesive surface is preferably covered at least originally by a removable separating cover, which is made of silicone, for example exists or is provided with a silicone coating. The adhesive surfaces are favorably turned away from one another.
  • the adhesive forming the first adhesive surface is preferably (self-) adhesive or adhesive at room temperature, i.e. without a separate influence of heat or a separate supply of heat.
  • the adhesives or adhesive compositions used for the at least one piece of adhesive tape advantageously differ from one another, in particular in terms of their type of adhesive or composition.
  • a glue application device for applying glue to tips of the corrugation of the corrugated web is preferably provided downstream of the corrugating device in relation to the transport direction of the material web.
  • a pressing device is provided for pressing a cover sheet onto the tips of the corrugated sheet provided with glue.
  • a corrugated cardboard arrangement for applying the method preferably comprises a separating device with at least one separating device arranged upstream of the corrugating device for separating the material web.
  • the corrugated cardboard arrangement advantageously has a holding device arranged downstream of the separating device for holding, in particular by clamping, a separate trailing web section of the material web, which simplifies further handling.
  • the holding device is preferably able to hold the material web in such a way that it is, in particular in a controlled manner, when a tensile force is applied, for example when the Corrugated board arrangement or system, the corrugating device and / or when replacing a corrugating device, tears or is completely separated.
  • the device for producing a web of corrugated cardboard laminated on one side preferably runs empty when a leading web section of the web of material thus produced is transported further.
  • the corrugated cardboard arrangement comprises a transport device for transporting the separated trailing web section of the material web to the corrugating device.
  • the transport device is preferably arranged between the separating device and the corrugating device.
  • the corrugated cardboard arrangement advantageously comprises the device for producing a web of corrugated cardboard which is laminated on one side and which has the corrugated sheet.
  • upstream”, downstream”, “upstream”, “downstream”, “leading”, “lagging” or the like are generally related to the transport direction of the respective web, in particular to that of the (first) material web.
  • the second adhesive surface or the second adhesive according to dependent claims 2 and 3 is not, in particular not at all, adhesive or adhesive at room temperature or below its melting temperature. It takes place activation through the supply of heat or heat. Such a piece of adhesive tape is particularly easy to remove from the corrugated roller without leaving any residue. Melted, liquid adhesive essentially only penetrates the material web. In comparison with the adhesive effect with the material web, its adhesive connection with the corrugated roller, which preferably has a smooth corrugated outer surface, preferably made of steel, is reduced. The adhesive effect towards the material web is higher.
  • the second adhesive surface has or generates a minimum adhesive force which is sufficient to hold the material web on the corrugating roller when the material web is inserted into the corrugating device, in particular despite counteracting embossing (restoring) forces and possibly gravity.
  • the second adhesive surface or the second adhesive already has a certain, reduced or low adhesive capacity at room temperature.
  • the corrugating roller according to dependent claim 4 is in use, as when the material web is inserted into the corrugating device or corrugations, which simplifies the corrugation of the material web.
  • the corrugated roller is preferably heated from the inside, for example by means of steam. When the material web comes into contact with the corrugated roller, this and thus also the at least one piece of adhesive tape attached to the material web is heated to a temperature above the melting or activation temperature of the second adhesive surface or the hot melt adhesive, at least at the second adhesive surface.
  • the time interval between melting of at least the second adhesive surface or the hot melt adhesive and the connection of the same with the corrugated roller is so extremely short, which leads to a particularly reliable adhesive connection between the corrugated roller and the material web.
  • the corrugating roller rotates around its axis of rotation at its lowest or a reduced peripheral or basic speed when the material web is introduced into the corrugating device. It is expedient if the at least one piece of adhesive tape is in contact with the corrugated roller for at least one second, which leads to secure adhesion of the second adhesive surface to this corrugated roller. Due to the pressure generated in the corrugated gap on the material web or on the at least one piece of adhesive tape, the heat penetrates extremely quickly from the corrugated roller via the second adhesive surface into the at least one piece of adhesive tape, in particular into the hot melt adhesive. For example, the corrugated roller rotates at six to nine revolutions per minute when the material web is inserted.
  • the configuration according to dependent claim 6 leads to a spaced, in particular thermally, protected arrangement of a supply of adhesive tape pieces opposite the corrugating device.
  • the second adhesive surface remains inactive there when it is formed on a hot melt adhesive, so that adhesion of the at least one piece of adhesive tape to the at least one deflection roller is reliably prevented when the material web is transported over this.
  • the at least one piece of adhesive tape is attached to the material web by hand, that is to say manually or by an operator.
  • the at least one piece of adhesive tape according to dependent claim 8 is attached to the material web by machine or in an automated manner.
  • An exchange or change of the corrugating roller or the entire corrugating device is then preferably possible in a fully automated manner.
  • the pressing device ensures a secure arrangement of the at least one piece of adhesive tape by means of the first adhesive surface on the material web.
  • it comprises, for example, at least one pressure element, which is preferably displaceable between an inactive position and a pressure position.
  • the at least one pressure element is preferably designed as a pressure roller or pressure block.
  • the method according to dependent claim 11 leads to an extremely functionally reliable process of inserting the material web into the corrugating device. In particular, it can thus be avoided that the material web winds up on the rotating corrugated roller. The material web is released from the corrugated roller by hand or machine.
  • the material web is carried along by the corrugating roller over an angular area of at least 160 °, in particular starting from a corrugating gap, about an axis of rotation / central axis of the corrugating roller.
  • the angular area is preferably smaller than 300 °, preferably smaller than 270 °.
  • the material web preferably only adheres temporarily or when it is threaded onto the corrugated roller.
  • the second adhesive surface generates or has a maximum adhesive force after activation or sufficient heat supply, which is less than a prevailing adhesive force between a web of material carrying the at least one piece of adhesive tape, in particular a corrugated material web, glued or glued, is in particular smooth, cover sheet or further material web, for example, to ensure a safe, in particular manual or machine, detachment of the material web carrying the at least one piece of adhesive tape from the first corrugating roller after this material web has been inserted into the corrugating device.
  • the second adhesive surface allows the at least one adhesive web piece or the material web carrying it to be reliably detached from the first corrugated roller.
  • the two material webs stick to one another more strongly than the material web carrying the at least one piece of adhesive tape or the second adhesive surface sticks to the first corrugated roller.
  • the further material web thus sticks more strongly to the corrugated material web than this sticks to the first corrugated roller, which allows easy peeling of the corrugated material web carrying at least one piece of adhesive tape from the first corrugated roller by means of the further material web.
  • the device 1 shown for the production of a single-sided laminated corrugated cardboard web 2 as part of a corrugated cardboard arrangement or a corrugated cardboard system is preceded by a first unwinding device (not shown) and a second unwinding device (not shown), which are designed as first and second splicing devices.
  • the first splicing device comprises a first unwinding unit for unwinding a finite first material web from a first material web roll and a second unwinding unit for unwinding a finite second material web from a second material web roll.
  • the finite first material web and the finite second material web are connected to one another by means of a connecting and cutting unit of the first splicing device to provide an endless first material web 3.
  • the second splicing device is designed in accordance with the first splicing device. This comprises a third unwinding unit for unrolling a finite third material web from a third material web roll and a fourth unwinding unit for unrolling a finite fourth material web from a fourth material web roll.
  • the finite third web of material and the finite fourth material web are connected to one another to provide an endless second material web 4 by means of a connecting and cutting unit of the second splicing device.
  • the endless first material web 3 is fed via a first preheating device 5 to the device 1 for producing a web of corrugated cardboard 2 laminated on one side.
  • the endless second material web 4 is fed via a second preheating device 6 to the device 1 for producing a web 2 of corrugated cardboard laminated on one side.
  • the device 1 for producing a corrugated cardboard web 2 laminated on one side comprises a first corrugating roller 9 rotatably mounted about a first axis of rotation 8 and a second corrugating roller 11 rotatably mounted about a second axis of rotation 10 to produce an endless corrugated sheet 7 from the endless first material web 3.
  • the axes of rotation 8, 10 run parallel to one another and perpendicular to a transport direction 12 of the endless first material web 3.
  • the corrugating rollers 9, 11 together form a corrugating device. They delimit a corrugated gap 13 for guiding through and corrugating the first material web 3.
  • the device 1 for producing a one-sided laminated corrugated cardboard web 2 has a glue application device 14 downstream of the corrugated gap 13 with regard to the transport direction 12 of the endless first material web 3.
  • the glue application device 14 has a glue container 15, a glue metering roller 16 arranged in the glue container 15 and a glue application roller 17 arranged in the glue container 15.
  • the glue metering roller 16 and the glue application roller 17 are correspondingly parallel to one another running axes of rotation rotatably mounted.
  • the glue metering roller 16 is advantageously designed as a glue squeezing roller.
  • the glue application roller 17 forms a glue gap 18 with the first corrugated roller 9.
  • the glue located in the glue container 15 is applied to free tips of the corrugation of the transported corrugated web 7 via the glue application roller 17 immersed in it.
  • the glue metering roller 16 is arranged essentially opposite the first corrugated roller 9 adjacent to the glue application roller 17 and is used to form a uniform glue layer on the glue application roller 17.
  • the corrugated web 7 provided with glue is then joined to the transported second material web 4 in the device 1 for producing a single-sided laminated corrugated board web 2 in order to produce the single-sided laminated corrugated board web 2.
  • the device 1 for producing a single-sided laminated corrugated cardboard web 2 has a pressure belt module 19.
  • the pressure belt module 19 is based on the transport direction 12 of the corrugated web 7 arranged downstream of the glue application device 14. It is arranged above the first corrugated roller 9.
  • the pressure belt module 19 has two rotatably mounted deflecting rollers 20 and an endless, drivable pressure belt 21 guided around the deflecting roller 20.
  • the first corrugated roller 9 engages in a space present between the deflecting rollers 20 in areas, whereby the pressure belt 21 is deflected.
  • the pressure belt 21 presses against the endless second material web 4, which in turn is pressed against the corrugated sheet 7 provided with glue and resting on the first corrugated roller 9.
  • the web of corrugated cardboard 2 laminated on one side is then fed to a storage device (not shown) via an upward transport device 22 for intermediate storage and buffering.
  • the one-sided laminated corrugated cardboard web 2 is downstream of the storage device in a connecting device (not shown) of the corrugated cardboard plant, for example with a lamination web (not shown) to a two-sided laminated corrugated cardboard web (not shown) or with another one-sided laminated corrugated cardboard web and a laminating web to a five-layer Corrugated cardboard sheet connected.
  • the connecting device is preferably designed as a heating / pulling part.
  • a longitudinal cutting / creasing device for creasing and longitudinal cutting of the corrugated board web in partial corrugated board webs and a cross cutting device (not shown) for cross cutting the partial corrugated board webs in corrugated cardboard sheets and a stacking device (not shown) for stacking the Corrugated cardboard sheets arranged in stacks.
  • the corrugated cardboard arrangement Upstream of the first preheating device 5 in relation to the transport direction 12 of the first material web 3, the corrugated cardboard arrangement has a separating device 23 which is assigned to the first material web 3 and is capable of perforating it across its transverse direction for a later complete separation.
  • the separating device 23 comprises a rotationally drivable rotary punch and a counter-roller assigned to it, which is advantageously coated with rubber.
  • the rotary punch and the counter roller preferably extend perpendicular to the transport direction 12 of the endless first material web 3.
  • the endless first material web 3 runs between the rotary punch and the counter roller.
  • the rotary punch and the counter roller are capable of producing a V-shaped perforation 28 in the endless first material web 3, which perforation extends over the entire width of the endless first material web 3.
  • the V-shaped perforation 28 is formed by two inclined perforations 29 which converge obliquely from a respective longitudinal edge 30 of the endless first material web 3 in the transport direction 12 to form an insertion tip 31.
  • the endless first material web 3 initially remains endless or coherent despite the V-shaped perforation 28.
  • the counter roll moves up to the rotary punch.
  • the rotary punch begins to rotate about its central axis, producing the V-shaped perforation 28. It comprises correspondingly arranged, protruding perforation bodies which then at least partially penetrate the endless first material web 3 and are preferably arranged at a distance from one another.
  • the separating device 23 alternatively comprises two separating elements or perforating elements (not shown), which can be moved along a guide, in particular synchronously.
  • the guide extends in a transverse direction of the endless first material web 3 running perpendicular to the transport direction 12 over the entire endless first material web 3.
  • the separating elements are thus in the transverse direction of the endless first material web 3 movable. They can be moved between a disconnected position and an inactive parking position.
  • the separating elements are capable of producing the V-shaped perforation 28 in the transported endless first material web 3.
  • the separating elements are displaced in their separating position in the transverse direction of the endless first material web 3 over the entire endless first material web 3 from the outside towards each other or from the inside to the side outside, producing the V-shaped perforation 28 in the endless first material web 3.
  • the corrugated cardboard arrangement also comprises a first holding device 24 and a first transport device 25, both of which are arranged downstream with respect to the transport direction 12 of the endless first material web 3 to the separating device 23 and are assigned to the endless first material web 3.
  • the first holding device 24 and the first transport device 25 are arranged upstream of the corrugating device. They form a first holding-transport unit.
  • the corrugated cardboard arrangement has a second holding device 26 and a second transport device 27, both of which are arranged downstream with respect to the transport direction 12 of the endless first material web 3 to the first holding device 24 and the first transport device 25 and are assigned to the endless first material web 3.
  • the second holding device 26 and the second transport device 27 are arranged upstream of the corrugating device. They form a second holding transport unit.
  • the holding devices 24, 26 form a holding device.
  • the transport devices 25, 27 form a transport device.
  • the first holding-transport unit and the second holding-transport unit are arranged at a distance from one another in the transport direction 12 of the endless first material web 3 and advantageously can be actuated independently of one another. They are able to hold the first material web 3 or a web section thereof and / or to transport it in the transport direction 12. When held, the first material web 3 is essentially locally fixed or stopped in certain areas, while it is transported in a guided manner in the transport direction 12 during transport at a transport speed.
  • the corrugated cardboard arrangement also has a corrugating device changing device 32 which stores a corrugating device 33 which has been inactive up to now.
  • the corrugating device changing device 32 is arranged essentially between the separating device 23 and the glue application device 14. It is able to replace the previously active corrugating device with the previously inactive corrugating device 33.
  • the previously inactive corrugating device 33 also has two corrugating rollers for corrugating the endless first material web 3. In contrast to the corrugating device previously in use, the previously inactive corrugating device 33 differs, for example, in its corrugation from the corrugation used previously.
  • the corrugated cardboard arrangement has an adhesive tape piece application device 34, which is arranged between the separating device 23 and the first preheating device 5 and is assigned to the endless first material web 3.
  • the adhesive tape piece applicator 34 is thus arranged upstream of the active corrugating device.
  • the adhesive tape piece applicator 34 comprises an adhesive tape piece supply roll 35 which stores a tape 36 with double-sided or double-sided pieces of adhesive tape 46 and is rotatably mounted.
  • the tape 36 has a plurality of label-like pieces of adhesive tape 46 arranged in a row.
  • the adhesive tape piece application device 34 also has an adhesive tape piece pressure roller 37 which is arranged downstream of the adhesive tape piece supply roll 35 and is rotatably mounted in an unwinding direction 38 of the tape 36.
  • the adhesive tape piece attaching device 34 comprises a separating wedge 39.
  • the separating wedge 39 is arranged adjacent to the adhesive tape piece pressing roller 37.
  • the adhesive tape piece attaching device 34 further includes an intermediate roller 55 which is rotatably supported.
  • the separating wedge 39 is arranged essentially between the intermediate roller 55 and the pressure roller 37 of the adhesive tape piece.
  • a free wedge tip of the separating wedge 39 is directed essentially at an adjacently arranged counter roller 45 which guides and deflects the first endless material web 3.
  • a release cover take-up roller 56 of the piece of adhesive tape attaching device 34 Adjacent to the intermediate roller 55, a release cover take-up roller 56 of the piece of adhesive tape attaching device 34 is rotatably disposed.
  • the release cover take-up roll 56 is disposed above the tape piece supply roll 35.
  • the adhesive tape piece supply roll 35, the adhesive tape piece pressure roll 37, the intermediate roll 55 and the separating cover take-up roll 56 have axes of rotation which run parallel to one another and perpendicular to the transport direction 12 of the endless first material web 3.
  • the adhesive tape piece supply roll 35, the adhesive tape piece pressure roller 37, the separating wedge 39, the intermediate roller 55 and the separating cover take-up roll 56 are arranged on a support frame 40 which can be pivoted about a horizontal pivot axis 42 by means of a pivot actuator 41.
  • the swivel actuator 41 has a housing 43 connected to a frame of the corrugated cardboard arrangement and an axially displaceable piston rod 44 guided therein.
  • the piston rod 44 engages the support frame 40.
  • the adhesive tape piece pressure roller 37 can be pivoted jointly between a pressure position and a rest position and the intermediate roller 55 between a drive position and a rest position.
  • the counter roller 45 is assigned to the adhesive tape piece pressure roller 37.
  • the adhesive tape piece pressure roller 37 In the rest position, the adhesive tape piece pressure roller 37 is arranged at a distance from the counter roller 45 ( Fig. 3 ), while in the pressing position it rests against the endless first material web 3 guided around the counter roller 45 or the attached piece of adhesive tape 46 ( Fig. 4 ).
  • the intermediate roller 55 In the rest position, the intermediate roller 55 is arranged at a distance from the counter roller 45 ( Fig. 3 ). In the drive position, this rests on the circumferential side of the endless first material web 3, which is guided around the counter roller 45 ( Fig. 4 ).
  • the first material web 3 is guided from the adhesive tape piece application device 34 via a plurality of deflection rollers 47 to the active corrugating device.
  • the endless first material web 3 runs past the separating device 23.
  • the separating device 23 is inactive and does not have a separating or perforating effect on the endless first material web 3.
  • the endless first material web 3 passes the first and second holding transport units, both of which are inactive and do not act on the endless first material web 3.
  • the second corrugating device 33 is in its inactive parking position.
  • the endless first material web 3 is corrugated by the corrugating rollers 9, 11 and glued by the glue application device 14.
  • the endless second material web 4 is connected to the endless first material web 3 to form the corrugated cardboard web 2 laminated on one side.
  • the previously active corrugating device is replaced by the previously inactive, parked corrugating device 33.
  • V-shaped perforation 28 is produced in the endless first material web 3 by means of the separating device 23.
  • the first holding transport unit and the second holding transport unit are actuated. They are relocated from their respective inactive positions. They define the upstream or trailing path section of the endless first material web 3 with regard to the V-shaped perforation 28. They are then in their respective holding positions.
  • the previously active corrugating device transports the first material web 3 so that it tears along the perforation 28 previously introduced into the first material web 3, forming the free insertion tip 31.
  • the corrugating device is part of the separating device.
  • the downstream or leading web section of the first material web 3 resulting from the tearing of the first material web 3 is conveyed out of the device 1 for producing a one-sided laminated corrugated cardboard web 2, while the upstream or trailing web section is held by the holding transport units.
  • the previously active corrugating device is then pivoted in the direction of its parking position.
  • the previously inactive corrugating device 33 is pivoted from its previous parking position in the direction of its active corrugating position.
  • the first material web 3 can also be separated along the perforation 28.
  • the piece of adhesive tape attaching device 34 attaches a piece of adhesive tape 46 to the first web 3 in the insertion tip 31 thereof.
  • the adhesive tape piece 46 to be applied is fed from the adhesive tape piece supply roll 35 to the adhesive tape piece pressure roller 37. It is during the transfer to the endless first material web 3 on the circumferential side of the adhesive tape piece pressure roller 37 opposite to the counter roller 45.
  • the intermediate roller 55 is displaced in the direction of the counter-roller 45 or in the direction of the first material web 3 resting against it by actuating the pivot actuator 41.
  • the intermediate roller 55 is pivoted into its drive position. In the drive position, the intermediate roller 55 rests in the area of the counter roller 45 on the transported, first material web 3, whereby the intermediate roller 55 and thus the separating cover winding roller 56 are set in rotation.
  • the separation cover 51 is passed between the intermediate roll 55 and the separation cover take-up roll 56 disposed adjacent thereto, and is guided to the separation cover take-up roll 56.
  • the separation cover 51 As the separation cover 51 is wound onto the rotating separation cover take-up roll 56, the separation cover 51 is pulled from the adhesive tape piece supply roll 35 via the separation wedge 39.
  • the free wedge tip of the separating wedge 39 separates from the separating cover 51 the piece of adhesive tape 46, which protrudes from the separating cover 51 in areas.
  • the piece of adhesive tape 46 comes into contact with the transported first material web 3 in the region of the wedge tip of the separating wedge 39 and adheres to it.
  • the adhesive tape piece pressure roller 37 presses the adhesive tape piece 46 firmly against the transported endless first material web 3.
  • the tape piece pressing roller 37 is toward the counter roller 45 or in the direction of the first material web 3 resting against it by actuation of the pivot actuator 41.
  • the adhesive tape piece pressure roller 37 is pivoted into its pressure position.
  • the endless first material web 3 is passed through gaps arranged one behind the other between the counter roller 45 and the intermediate roller 55 and between the counter roller 45 and the adhesive tape piece pressure roller 37.
  • the gap between the counter roller 45 and the intermediate roller 55 is arranged in front of the gap between the counter roller 45 and the pressure roller 37 of the adhesive tape piece.
  • the piece of tape 46 is double-sided. It comprises an adhesive film 49 on which an adhesive mass 54 effective at room temperature is arranged in layers to form a first outer adhesive surface 48. A second outer adhesive surface 50 is formed on the adhesive film 49. The entire adhesive film 49 is formed from a hot melt adhesive.
  • the first adhesive surface 48 is originally covered by a tape-like separating cover 51, which is removable.
  • the second adhesive surface 50 faces away from the first adhesive surface 48.
  • the adhesive film 49 and the adhesive 54 are arranged one above the other or overlap one another.
  • the piece of adhesive tape 46 is connected with its first adhesive surface 48 to the endless first material web 3 and is thus adhesively fixed there.
  • the upstream or trailing path section of the endless first material web 3 on which the piece of adhesive tape 46 is located is then inserted with its leading or leading insertion tip 31 by means of the then active holding transport units are transported into the active corrugating device.
  • the corrugating rollers 9, 11 rotate, but in comparison with a normal corrugating working speed with a reduced peripheral speed of, for example, 10 m / min.
  • the adhesive film 49 melts at least on its second adhesive surface 50 and wets the endless first material web 3 and the first corrugated roller 9.
  • the adhesive film 49 becomes (viscous) liquid and sticky at least on the second adhesive surface 50.
  • the piece of adhesive tape 46 attached to the endless first material web 3 sticks to the first corrugated roller 9 and is thus further heated.
  • the outside temperature of the first corrugated roller 9 is above the melting or activation temperature of the second adhesive surface 50. Since the piece of adhesive tape 46 no longer has any contact with the second corrugated roller 11 after passing through the corrugated gap 13 and thus experiences a slight cooling / hardening, there is an adhesive capacity of the second adhesive surface 50, at least somewhat. There is no complete adhesive effect or curing of the second adhesive surface 50 there.
  • the piece of adhesive tape 46 or the insertion tip 31 of the endless first material web 3 is removed again from the first corrugated roller 9.
  • the endless first material web 3 is transported up to this separation point through the glue gap 18 and the pressure belt module 19 on the first corrugated roller 9. Downstream of the glue gap 18 and the pressure belt module 19, the endless first material web 3 is firmly connected or glued flat to the endless second material web 4. Due to the transport of the single-sided laminated corrugated cardboard web 2 into the upward transport device 22, the endless first material web 3 is removed from the first corrugated roller 9. Alternatively, they can be removed manually.
  • the adhesive tape application device 34 is absent.
  • a piece of adhesive tape 46 is attached by a machine operator 52 to the endless first material web 3 upstream of the corrugated gap 13 and preferably downstream of the first preheating device 5, preferably between the holding transport units .
  • a corresponding catwalk 53 is advantageously available for the machine operator 52.

Claims (13)

  1. Procédé d'introduction d'une bande de matériau (3) dans un dispositif égrugeoir avec un rouleau égrugeoir (9) pour la génération d'une bande ondulée (7) présentant une ondulation à partir de la bande de matériau (3), comprenant les étapes :
    - le montage d'au moins une pièce de bande adhésive (46) double face, présentant une première surface adhésive (48) et une seconde surface adhésive (50) opposée à la première surface adhésive (48) au niveau de la bande de matériau (3) au moyen de la première surface adhésive (48) en amont du dispositif égrugeoir par rapport à un sens de transport (12) de la bande de matériau (3), et
    - le passage de la bande de matériau (3) à travers le dispositif égrugeoir,
    caractérisé en ce que
    - la bande de matériau (3) est guidée à travers le dispositif égrugeoir de telle manière que la seconde surface adhésive (50) adhère au rouleau égrugeoir (9) rotatif en entraînant la bande de matériau (3) pour l'introduction de la bande de matériau (3).
  2. Procédé selon la revendication 1, caractérisé en ce que la seconde surface adhésive (50) est réalisée au niveau d'une colle thermofusible.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la seconde surface adhésive (50) est fondue au moyen de la chaleur, de préférence entre 90 °C et 120 °C, de préférence entre 100 °C et 110 °C.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le rouleau égrugeoir (9) présente une telle température extérieure, de préférence entre 140 °C et 180 °C, de préférence entre 150 °C et 170 °C que la seconde surface adhésive (50) soit fondue.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que le rouleau égrugeoir (9) tourne lors de l'introduction de la bande de matériau (3) à une vitesse périphérique entre 1 m/min et 25 m/min, de préférence entre 5 m/min et 15 m/min.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'au moins une pièce de bande adhésive (46) est montée en amont d'au moins un rouleau de renvoi (47) par rapport au sens de transport (12) de la bande de matériau (3) au niveau de la bande de matériau (3).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'au moins une pièce de bande adhésive (46) est montée à la main au niveau de la bande de matériau (3).
  8. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que l'au moins une pièce de bande adhésive (46) est montée au moyen d'un dispositif de montage (34) au niveau de la bande de matériau (3).
  9. Procédé selon la revendication 8, caractérisé en ce que le dispositif de montage (34) comporte un dispositif de pressage (37) pour le pressage d'au moins une pièce de bande adhésive (46) contre la bande de matériau (3).
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que le dispositif de montage (34) présente un dispositif d'enroulement de couverture de séparation (56) pour l'enroulement d'une couverture de séparation (51) d'au moins une pièce de bande adhésive (46).
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce que la bande de matériau (3) est entraînée avec l'au moins une pièce de bande adhésive (46) sur une plage angulaire entre 160° et 270° autour d'un axe de rotation (8) du rouleau égrugeoir (9) lors de l'introduction de la bande de matériau (3) dans le dispositif égrugeoir.
  12. Procédé selon l'une des revendications précédentes, caractérisé en ce que la bande de matériau (3) est relevée du rouleau égrugeoir (9) lors de l'introduction de la bande de matériau (3) dans le dispositif égrugeoir en aval d'une fente de colle (18) pour le collage de la bande de matériau (3) et une fente de pressage pour le pressage de la bande de matériau (3) pourvue de colle et d'une autre bande de matériau (4) en formant une bande de carton ondulé (2) contrecollée d'un côté l'une contre l'autre au moyen de l'autre bande de matériau (4) transportée.
  13. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'après l'activation de la seconde surface adhésive (50) entre la seconde surface adhésive (50) et le premier rouleau égrugeoir (9) une force adhésive maximale existe, qui est inférieure à une force adhésive entre la bande de matériau (3) et une autre bande de matériau (4) collée à celle-ci.
EP19189156.3A 2018-08-31 2019-07-30 Procédé d'introduction d'un rail de matériau dans un dispositif égrugeoir Active EP3616897B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018214853.8A DE102018214853A1 (de) 2018-08-31 2018-08-31 Verfahren zum Einführen einer Materialbahn in eine Riffelvorrichtung

Publications (2)

Publication Number Publication Date
EP3616897A1 EP3616897A1 (fr) 2020-03-04
EP3616897B1 true EP3616897B1 (fr) 2021-01-27

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EP19189156.3A Active EP3616897B1 (fr) 2018-08-31 2019-07-30 Procédé d'introduction d'un rail de matériau dans un dispositif égrugeoir

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US (1) US11104536B2 (fr)
EP (1) EP3616897B1 (fr)
CN (1) CN110871602B (fr)
DE (1) DE102018214853A1 (fr)
ES (1) ES2861262T3 (fr)

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Also Published As

Publication number Publication date
ES2861262T3 (es) 2021-10-06
CN110871602A (zh) 2020-03-10
CN110871602B (zh) 2022-10-28
DE102018214853A1 (de) 2020-03-05
US11104536B2 (en) 2021-08-31
US20200071109A1 (en) 2020-03-05
EP3616897A1 (fr) 2020-03-04

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