EP3616897A1 - 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
EP3616897A1
EP3616897A1 EP19189156.3A EP19189156A EP3616897A1 EP 3616897 A1 EP3616897 A1 EP 3616897A1 EP 19189156 A EP19189156 A EP 19189156A EP 3616897 A1 EP3616897 A1 EP 3616897A1
Authority
EP
European Patent Office
Prior art keywords
material web
corrugating
roller
adhesive
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.)
Granted
Application number
EP19189156.3A
Other languages
German (de)
English (en)
Other versions
EP3616897B1 (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
    • 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
    • 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
    • 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. Furthermore, the invention is directed to a corrugated cardboard arrangement with a corrugated device for producing a corrugated web from a material web.
  • Corrugated devices for producing corrugated webs from smooth material webs are generally known from the prior art through obvious prior use.
  • the insertion 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 an exchange of the corrugating device.
  • the invention has for its object to provide a method for introducing a material web into a corrugating device, which is particularly reliable on the one hand and extremely simple on the other hand. Furthermore, a corrugated cardboard arrangement is to be supplied, which allows a particularly reliable and extremely simple insertion of a material web into a corrugated device.
  • the essence of the invention lies in a double-sided or double-sided piece of adhesive tape or adhesive 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 being carried out by the corrugating device with its second adhesive surface adheres to the corrugating roller, in particular on the circumference, and is thus carried along by the rotating corrugating roller, which therefore also leads to a corresponding entrainment of the material web.
  • the material web is deflected by the rotating corrugating roller.
  • the corrugating roller advantageously rotates about its axis of rotation when the material web is introduced into the corrugating device. Even in the actual corrugation process, the corrugation 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 which it forms a corrugating gap for corrugating the material web while producing 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 is passed through the corrugating device, faces the corrugating roller or, in particular, adheres to it.
  • the first adhesive surface faces away from the corrugating roller deflecting the material web.
  • the at least one piece of adhesive tape is attached at a distance from the corrugating device, so that an adhesive tape piece supply, in particular thermally, remains unaffected by the active corrugating device.
  • the at least one piece of adhesive tape is / is attached to the material web in a central region with respect to a transverse direction of the material web.
  • the at least one piece of adhesive tape is / is advantageously arranged in an at least later end or tip region of the material web.
  • the at least one piece of adhesive tape is label-like. Finished pieces of adhesive tape or adhesive labels are preferably provided and, in particular, uncut. Alternatively, the at least one piece of tape comes from a flexible strip of tape. An adhesive tape separating device is then advantageously present.
  • a first adhesive or a first adhesive is arranged to form a first adhesive surface on an adhesive layer or film, in particular in a layer-like manner, which is preferably made of a thermoplastic elastomer, such as polyester, in particular unreinforced copolyter, and / or Polyurethane.
  • the adhesive layer or film preferably forms a carrier medium. It preferably has or 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 expedient if the second adhesive surface is formed on the adhesive layer or film.
  • the first adhesive surface is preferably at least originally covered by a removable separating cover, which is made of silicone, for example exists or is provided with a silicone coating. The adhesive surfaces favorably face away from one another.
  • the adhesive forming the first adhesive surface is at room temperature, i.e. without separate heat influence or separate heat supply, (self-) adhesive or adhesive.
  • the adhesives or adhesive compositions of the at least one piece of adhesive tape advantageously differ from one another, in particular in their type of adhesive or composition.
  • a glue application device for applying glue to tips of the corrugation of the corrugated web is preferably present downstream of the corrugating device with respect to the direction of transport of the material web.
  • a pressing device for pressing a cover sheet against the glue-coated tips of the corrugated sheet is provided downstream of the glue application device.
  • the corrugated cardboard arrangement preferably comprises a separating device with at least one separating device arranged upstream of the corrugated device for separating the material web.
  • the corrugated cardboard arrangement advantageously has a holding device arranged downstream of the separating device for, in particular clamping, holding 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, in particular in a controlled manner, when a tensile force is applied, for example when the web starts Corrugated cardboard arrangement or system, the corrugated device and / or when replacing a corrugated device, tears or is completely separated.
  • the apparatus for producing a web of corrugated cardboard laminated on one side is preferably emptied when a leading web section of the material web produced thereby is transported further.
  • the corrugated cardboard arrangement comprises a transport device for transporting the separate 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 single-sided laminated corrugated cardboard web which has the corrugated web.
  • upstream Downstream
  • upstream upstream
  • downstream downstream
  • downstream upstream
  • downstream downstream
  • leading leading
  • the second adhesive surface or the second adhesive according to subclaim 2 or 3 is not, in particular not at all, adhesive or adhesive at room temperature or below its melting temperature. It takes place an activation by heat or heat.
  • Such a piece of adhesive tape can be detached from the corrugating roller in a particularly simple and residue-free manner. Molten, liquid adhesive essentially only penetrates into the material web. Compared to the adhesive effect with the material web, its adhesive connection with the corrugated roller is reduced, which preferably has a smooth outer corrugated surface, preferably made of steel. The adhesive effect towards the material web is higher.
  • the second adhesive surface advantageously has or generates a minimum adhesive force which is sufficient to hold the material web on the corrugating roller when the material web is introduced into the corrugating device, in particular despite opposing embossing (restoring) forces and possibly gravity.
  • the second adhesive surface or the second adhesive already has a certain, reduced or low adhesive power at room temperature.
  • the corrugating roller according to subclaim 4 is in use, as is heated when the material web is introduced 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.
  • this and thus also the at least one piece of adhesive tape attached to the material web is heated at least at the second adhesive surface to a temperature which is above the melting or activation temperature of the second adhesive surface or the hot melt adhesive.
  • the time interval between melting of at least the second adhesive surface or the hot melt adhesive and the connection thereof with the corrugating roller is extremely short, which leads to a particularly reliable adhesive connection between the corrugating roller and the material web.
  • the corrugating roller rotates about its axis of rotation with its smallest 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 lies against the corrugating roller for at least one second, which leads to the second adhesive surface adhering securely to this corrugating 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 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 subclaim 6 leads to a spaced, in particular thermally, protected arrangement of a piece of adhesive tape piece relative to the corrugated device.
  • the second adhesive surface there remains inactive 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 it.
  • 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 is mechanically or automatically attached to the material web.
  • 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 can preferably be displaced 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 subclaim 11 leads to an extremely functionally reliable insertion process of the material web into the corrugating device. In particular, it can be avoided that the material web winds up on the rotating corrugating roller. The material web is detached from the corrugated roller manually or mechanically.
  • the material web is taken along by the corrugating roller over an angular region 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 less than 300 °, preferably less than 270 °.
  • the web of material preferably adheres only temporarily or when threading onto the corrugating roller.
  • the material web is also pulled into a high-speed transport device and thus automatically removed from the corrugating roller.
  • a connecting or adhesive force prevailing between the material webs is higher than a connecting or adhesive force prevailing between the corrugating roller and the at least one piece of adhesive tape.
  • the second adhesive surface generates or has a maximum adhesive force after activation or sufficient supply of heat, which is less than a prevailing adhesive force between a material web that is glued or glued to the material web carrying the at least one piece of adhesive tape, in particular corrugated, is in particular smooth, top web or further material web, for example to ensure a safe, in particular manual or mechanical, detachment of the material web carrying the at least one piece of adhesive tape from the first corrugating roller after the introduction of this material web into the corrugating device.
  • the second adhesive surface allows the at least one piece of adhesive sheet or the sheet of material carrying it to be reliably detached from the first corrugating roller.
  • the two material webs stick to each other more strongly than the material web carrying the at least one piece of adhesive tape or the second adhesive surface sticks to the first corrugating roller.
  • the further material web thus adheres more strongly to the corrugated material web than it sticks to the first corrugating roller, which allows the corrugated material web, which carries at least one piece of adhesive tape, to be simply pulled off from the first corrugating roller by means of the further material web.
  • Subclaims 2 to 13 also relate to preferred developments of the corrugated cardboard arrangement according to independent claim 14.
  • the device 1 shown for producing a web of corrugated cardboard laminated on one side as part of a corrugated cardboard arrangement or a corrugated cardboard system is preceded by a first unrolling device (not shown) and a second unrolling device (not shown), which are designed as first and second splicing devices.
  • the first splicing device comprises a first unwinding unit for unrolling a finite first material web from a first material web reel and a second unwinding unit for unrolling a finite second material web from a second material web reel.
  • 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 in order 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 reel and a fourth unwinding unit for unrolling a finite fourth material web from a fourth material web reel.
  • the finite third web of material and the finite fourth material web is connected to one another by means of a connecting and cutting unit of the second splicing device in order to provide an endless second material web 4.
  • 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 corrugated cardboard web 2 laminated on one side.
  • the device 1 for producing a corrugated cardboard web 2 laminated on one side comprises a first corrugated roller 9 rotatably mounted about a first axis of rotation 8 and a second corrugated roller 11 rotatably supported about a second axis of rotation 10 for producing an endless corrugated web 7 having a corrugation 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 limit a corrugation gap 13 for the passage and corrugation of the first material web 3.
  • the device 1 for producing a single-sided laminated corrugated cardboard web 2 has a glue application device 14 downstream of the corrugated gap 13 with respect to the transport direction 12 of the endless first material web 3.
  • the glue application device 14 has a glue container 15, a glue dosing roller 16 arranged in the glue container 15 and a glue application roller 17 arranged in the glue container 15.
  • the glue dosing roller 16 and the glue application roller 17 are parallel to one another, respectively running axes of rotation rotatably supported.
  • the glue metering roller 16 is advantageously designed as a glue squeeze roller.
  • the glue application roller 17 forms a glue gap 18 with the first corrugating roller 9. 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 therein.
  • the glue metering roller 16 is arranged essentially opposite the first corrugating roller 9 adjacent to the glue application roller 17 and serves to form a uniform layer of glue on the glue application roller 17.
  • the device 1 for producing a corrugated cardboard web 2 laminated on one side has a pressure belt module 19.
  • the pressure belt module 19 is related to the transport direction 12 of the corrugated web 7 arranged downstream of the glue application device 14. It is arranged above the first corrugating roller 9.
  • the pressure belt module 19 has two rotatably mounted deflection rollers 20 and an endless, drivable pressure belt 21 which is guided around the deflection roller 20.
  • the first corrugating roller 9 engages in regions in a space present between the deflecting rollers 20, as a result of which 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 web 7 provided with glue and resting on the first corrugating roller 9.
  • the corrugated cardboard web 2 which is laminated on one side, is then fed to a storage device (not shown) via a transport device 22 for intermediate storage and buffering.
  • the corrugated cardboard web 2 laminated on one side is then downstream of the storage device in a connecting device (not shown) of the corrugated cardboard system, for example with a laminating web (not shown) to a double-sided corrugated cardboard web (not shown) or with a further one-sided laminated corrugated cardboard web and a laminating web to a five-ply Corrugated cardboard web connected.
  • the connecting device is preferably designed as a heating-train section.
  • a longitudinal cutting / creasing device for creasing and longitudinally cutting the corrugated cardboard web in partial corrugated cardboard webs
  • a cross-cutting device for cross-cutting the partial corrugated cardboard webs in corrugated cardboard sheets
  • a stacking device for stacking the Corrugated cardboard sheets arranged in stacks.
  • the corrugated cardboard arrangement Upstream of the first preheating device 5 with respect 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 able to perforate it for later complete separation in its transverse direction.
  • 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 able to produce a V-shaped perforation 28 in the endless first material web 3, which extends over the entire width of the endless first material web 3.
  • the V-shaped perforation 28 is formed by two oblique 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 remains endless or connected for the time being.
  • the counter roll moves up to the rotary punch.
  • the rotary punch begins to rotate about its central axis creating the V-shaped perforation 28. It comprises correspondingly arranged, projecting perforating bodies which then at least partially penetrate into 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 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. By means of displacement in the transverse direction of the first material web 3 in the separating 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 shifted in their separating position in the transverse direction of the endless first material web 3 over the entire endless first material web 3 from one side to the other toward the outside or from the inside to the side outside to produce 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 stop-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 or 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 stop 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 can advantageously 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 stopped, the first material web 3 is essentially locally fixed or stopped, while it is transported in a guided manner in the transport direction 12 during transport.
  • the corrugated cardboard arrangement also has a corrugating device changing device 32, which stores a previously inactive corrugating device 33.
  • the corrugating device changing device 32 is essentially arranged 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 33 which has been in use to date, the corrugating device 33 which has been inactive so far differs, for example, from the corrugation used previously.
  • the corrugated cardboard arrangement has an adhesive tape piece attachment device 34 which is arranged between the separating device 23 and the first preheating device 5 and is associated with the endless first material web 3.
  • the piece of adhesive tape attachment device 34 is thus arranged upstream of the active corrugating device.
  • the adhesive tape piece attachment device 34 comprises an adhesive tape piece supply roll 35 which stores a tape 36 with double-sided or double-sided adhesive tape pieces 46 and rotatably supports it.
  • the tape 36 has a plurality of label-like pieces of adhesive tape 46 arranged in a row.
  • the adhesive tape piece attachment device 34 also has an adhesive tape piece pressure roller 37, which is arranged downstream of the adhesive tape piece supply roll 35 and rotatably mounted in an unwinding direction 38 of the tape 36.
  • the adhesive tape piece attachment 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 attachment device 34 also has an intermediate roller 55 which is rotatably mounted.
  • the separating wedge 39 is essentially arranged between the intermediate roller 55 and the adhesive tape pressure roller 37.
  • a free wedge tip of the separating wedge 39 is essentially directed at an oppositely arranged counter roller 45 which guides and deflects the first endless material web 3.
  • a release cover take-up roll 56 of the tape piece applicator 34 Adjacent to the intermediate roll 55, a release cover take-up roll 56 of the tape piece applicator 34 is rotatably arranged.
  • the separation cover take-up roll 56 is arranged above the tape piece supply roll 35.
  • the adhesive tape piece supply roller 35, the adhesive tape piece pressure roller 37, the intermediate roller 55 and the separating cover winding roller 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 winding roller 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 which is connected to a frame of the corrugated cardboard arrangement and an axially displaceable piston rod 44 which is guided therein.
  • the piston rod 44 engages on the support frame 40.
  • the adhesive tape piece pressure roller 37 can be pivoted together between a pressure position and a rest position and the intermediate roller 55 between a drive position and a rest position.
  • the adhesive tape piece pressure roller 37 is assigned the counter roller 45. In the rest position, the adhesive tape pressure roller 37 is arranged at a distance from the counter roller 45 ( Fig. 3 ), while in the pressing position it bears against the endless first material web 3, which is guided there around the counter-roller 45, or the attached piece of adhesive tape 46 ( Fig. 4 ).
  • the intermediate roller 55 is arranged at a distance from the counter roller 45 ( Fig. 3 ). In the drive position, this lies 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 attachment 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 has no separating or perforating effect on the endless first material web 3.
  • the endless first material web 3 passes the first and second holding transport unit, 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 corrugation device is replaced by the previously inactive parked corrugation device 33.
  • V-shaped perforation 28 is produced in the endless first material web 3 by means of the separating device 23.
  • the first stop transport unit and the second stop transport unit are actuated. They will be relocated from their respective inactive positions. They define the upstream or trailing path section of the endless first material path 3 with respect to the V-shaped perforation 28. You are then in their respective holding positions.
  • the previously active corrugating device transports the first material web 3 further, so that it tears along the perforation 28 previously made in the first material web 3 to form 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 web of corrugated cardboard 2 laminated on one side, while the upstream or lagging 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 out of 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 adhesive tape piece attachment device 34 attaches an adhesive tape piece 46 to the first material web 3 in its insertion tip 31.
  • the piece of adhesive tape 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 onto the endless first material web 3 on the circumferential side on the adhesive tape pressure roller 37 opposite to the counter roller 45.
  • the intermediate roller 55 In order to attach the piece of adhesive tape 46 to the endless first material web 3, 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 thereon by actuating the pivot actuator 41.
  • the intermediate roller 55 is pivoted into its drive position. In the drive position, the intermediate roller 55 bears against the transported, first material web 3 in the region of the counter roller 45, as a result of which the intermediate roller 55 and thus the separating cover winding roller 56 are set in rotation.
  • the separating cover 51 is passed between the intermediate roller 55 and the separating cover winding roller 56 arranged adjacent thereto and is guided to the separating cover winding roller 56.
  • the separating cover 51 By winding the separating cover 51 onto the rotating separating cover winding roll 56, the separating cover 51 is pulled over the separating wedge 39 from the adhesive tape piece supply roll 35.
  • the free wedge tip of the separating wedge 39 separates from the separating cover 51 the piece of adhesive tape 46 which protrudes in some areas from the separating cover 51.
  • 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 pressure roller 37 is in the direction of the counter roller 45 or in the direction of the first material web 3 lying against it by actuating the swivel actuator 41.
  • the 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 pressure roller 37.
  • the gap between the counter roller 45 and the intermediate roller 55 is arranged upstream of the gap between the counter roller 45 and the adhesive tape piece pressure roller 37.
  • the piece of tape 46 is double-sided. It comprises an adhesive film 49, on which an adhesive adhesive 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 can be removed.
  • 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 thus fixed there in an adhesive manner.
  • the upstream or trailing web section of the endless first material web 3, on which the piece of adhesive tape 46 is located, is then guided with its leading or leading insertion tip 31 by means of the then the 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 in the second adhesive surface 50.
  • the piece of adhesive tape 46 attached to the endless first material web 3 sticks to the first corrugation roller 9 and is thus further heated.
  • the outside temperature of the first corrugating roller 9 is above the melting or activation temperature of the second adhesive surface 50. Since the piece of adhesive tape 46 no longer comes into contact with the second corrugating roller 11 after it has passed through the corrugating gap 13 and thus experiences a slight cooling / hardening, there is an adhesive property the second adhesive surface 50, at least somewhat. A complete adhesive effect or curing of the second adhesive surface 50 does not occur there.
  • the piece of adhesive tape 46 or the insertion tip 31 becomes the endless first material web 3 again removed from the first corrugating 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 corrugating roller 9.
  • the endless first material web 3 is firmly connected or glued to the endless second material web 4 downstream of the glue gap 18 and the pressure belt module 19.
  • the endless first material web 3 is removed from the first corrugated roller 9. Alternatively, it can be removed manually.
  • the adhesive tape attachment device 34 is missing.
  • a piece of adhesive tape 46 is correspondingly applied by a machine operator 52 to the endless first material web 3 upstream of the corrugation gap 13 and preferably downstream of the first preheating device 5, preferably between the holding transport units .
  • a corresponding catwalk 53 is favorably provided for the machine operator 52.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
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 true EP3616897A1 (fr) 2020-03-04
EP3616897B1 EP3616897B1 (fr) 2021-01-27

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ID=67539235

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

Country Status (5)

Country Link
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

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US11104536B2 (en) 2021-08-31
ES2861262T3 (es) 2021-10-06
DE102018214853A1 (de) 2020-03-05
CN110871602B (zh) 2022-10-28
EP3616897B1 (fr) 2021-01-27
US20200071109A1 (en) 2020-03-05
CN110871602A (zh) 2020-03-10

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