EP1882563A2 - Installation et procédé de fabrication de feuilles de carton ondulé - Google Patents

Installation et procédé de fabrication de feuilles de carton ondulé Download PDF

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Publication number
EP1882563A2
EP1882563A2 EP07011239A EP07011239A EP1882563A2 EP 1882563 A2 EP1882563 A2 EP 1882563A2 EP 07011239 A EP07011239 A EP 07011239A EP 07011239 A EP07011239 A EP 07011239A EP 1882563 A2 EP1882563 A2 EP 1882563A2
Authority
EP
European Patent Office
Prior art keywords
perforation
corrugated
web
cover
sheets
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
EP07011239A
Other languages
German (de)
English (en)
Other versions
EP1882563B1 (fr
EP1882563A3 (fr
Inventor
Karl Ruhland
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 EP1882563A2 publication Critical patent/EP1882563A2/fr
Publication of EP1882563A3 publication Critical patent/EP1882563A3/fr
Application granted granted Critical
Publication of EP1882563B1 publication Critical patent/EP1882563B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/22—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
    • B26D1/225—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/16—Cutting webs
    • B31B50/18—Cutting webs longitudinally
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum

Definitions

  • the invention relates to a corrugated cardboard plant for the production of corrugated sheets and a corresponding method.
  • Corrugated board plants for the production of corrugated sheets have long been known.
  • the corrugated sheets produced are often further processed into packages, the packages on the one hand to protect the product contained therein very stable and on the other hand should be easy to open to remove the product.
  • the corrugated sheets must already be prepared and manufactured accordingly.
  • From the EP 1 375 361 B1 is known to provide the cover sheets of corrugated sheets with two knives with cuts.
  • the cuts in the cover sheets are opposite each other and cut through the cover sheets at least 50% in thickness.
  • the cut deck sheets act as scissor edges, completely severing the deck sheets and the corrugated sheet.
  • the disadvantage is that the cuts in the cover sheets act as hinges and form undesirable bending points in the corrugated sheets.
  • the packages produced from the corrugated sheets thus have an unsatisfactory inherent stability. Furthermore, it is costly to provide the corrugated sheets individually with the cuts.
  • the invention has for its object to provide a corrugated plant and a method that allow easy production of corrugated sheets with improved stability and tearing properties.
  • the essence of the invention is to provide at least one perforation device in a corrugated cardboard plant.
  • the at least one perforation device is fed to an endless corrugated web of at least one corrugated web and at least one cover web.
  • the at least one cover web is perforated, wherein the at least one cover web is alternately completely severed in sections along a working direction and is not severed in sections.
  • the at least one corrugated web is not severed and remains substantially undamaged.
  • downstream cutting device are cut from the perforated endless corrugated web corrugated sheets of the desired format.
  • the corrugated sheets simultaneously have good stability and tearing properties.
  • the perforation of the at least one cover sheet avoids the formation of undesired bending points in the corrugated sheets.
  • the at least one perforation device is arranged upstream of the at least one cutting device, the at least one cover web is perforated before the endless corrugated web is cut into corrugated sheets.
  • the at least one perforation device is thus integrated into the corrugated board and the production of corrugated sheets, which simplifies the production. This saves time and money.
  • a corrugated board installation 1 comprises a first unrolling device 3 for unrolling a first material web 4, a second unwinding device 5 for unrolling a second material web 6 and a first production device for producing a single-faced corrugated web 2 7 on.
  • the first production device 7 comprises for generating a corrugation in the second material web 6 two adjacently arranged and rotatably mounted corrugating rollers 8. After generating the corrugation between the adjacent Rippled rollers 8, the second material web 6 is present as a corrugated web 9.
  • the first production device 7 for gluing the tips of the corrugated web 9 comprises a gluing unit 10, which is arranged adjacent to the corrugating rolls 8.
  • a pressure roller 11 arranged adjacent to a corrugating roller 8 and rotatably mounted is provided in the first production device 7.
  • the first material web 4 is referred to as the first cover web 12 after joining to the corrugated web 9.
  • the production device 7 for producing a single-faced laminated corrugated web 2 is well known, for example from the EP 0 687 552 A (equivalent to U.S. Patent 5,632,850 ), of the DE 195 36 007 A (equivalent to GB 2,305,675A ) or the DE 43 06 158 A1 to which reference is made for details.
  • the first production device 7 is arranged in a working direction 13, a rotatably mounted guide roller 14 and a preheating device 15 downstream.
  • the preheating device 15 has two superimposed and rotatably mounted heating rollers 17.
  • a third unrolling device 18 is provided for unrolling the third material web 16.
  • the preheating device 15 is downstream of a gluing unit 19 in the working direction 13.
  • the gluing unit 19 has a rotatably mounted gluing roller 20, which is partially arranged in a glue container 21 filled with glue.
  • the corrugated web 9 of the single-faced laminated corrugated web 2 is in contact with the gluing roller 20.
  • the gluing unit 19 is followed by a heating-pressing device 22 in the working direction 13, which has a horizontal, extending in the working direction 13 heating table 23 with heating plates. Adjacent to the heating table 23 is arranged over three rotatably mounted guide rollers 24 deflected, driven endless pressure belt 25. Between the pressing belt and the heating table 23, a pressing gap 26 is formed, through which the corrugated board web 2 laminated on one side and glued on, and the third material web 16 can be guided.
  • the more detailed structure of the heating-pressing device 22 is from the DE 199 54 754 A1 known.
  • the gluing unit 19 and the heat-pressing device 22 constitute a second production device 27 for producing a double-sided laminated corrugated web 28.
  • the material webs 4, 6, 16 are in particular endless paper webs.
  • the second production device 27 is downstream of a multifunction unit 30 in the working direction 13.
  • the multifunction unit 30 comprises a perforation device 31 for perforating the first and second cover sheets 12, 29 along the working direction 13 and a longitudinal cutting / creasing device 32 for longitudinal cutting and creasing of the double-faced laminated corrugated web 28 along the working direction 13.
  • the longitudinal cutting / creasing device 32 comprises a first creasing station 33, a second creasing station 34 downstream therefrom and two longitudinal cutting stations 35 downstream of the creasing stations 33, 34.
  • the multi-function unit 30 is downstream of a switch 36 in the working direction 13.
  • a switch 36 By means of the switch 36 are in the slitting / scoring device 32 longitudinally cut track sections 37, 38 of the double-faced laminated corrugated web 28 separated from each other.
  • a cutting device 40 For cutting corrugated sheets 39 from the web sections 37, 38 of the corrugated web 28 of the switch 36 in the working direction 13 a cutting device 40 is arranged downstream.
  • the cutting device 40 is thus also downstream of the perforation device 31 in the working direction 13.
  • the cutting device 40 has a first cross-cutting roller pair 41 and for the transverse cutting of the second web section 38 a second cross-cutting roller pair 42.
  • the rollers of the cross-cutting roller pairs 41, 42 each have a blade bar 43 extending radially outwards and perpendicular to the working direction 13.
  • the cutter bars 43 of a cross-cutting roller pair 41, 42 cooperate to transversely sever the track sections 37, 38.
  • the first cross-cutting roller pair 41 is followed by a first conveyor belt 44, which is guided around rotatably driven drive rollers 45.
  • the first conveyor belt 44 is followed by a first stacking tray 46 with a vertically extending first stop wall 47.
  • the first stacking tray 46 is, as indicated in Fig. 2 by a first directional arrow 48, adjustable in height.
  • the first stacking tray 46 is lowerable for further transport of the stacked corrugated sheets 39 to a plant floor 49, which carries the corrugated board system 1.
  • the second cross-cutting roller pair 42 is followed by a second conveyor belt 50, which is also guided around rotatably driven drive rollers 45.
  • the second conveyor belt 50 For stacking the corrugated sheets 39 transported by the second conveyor belt 50, the second conveyor belt 50 has a second stacking tray 51 with a second stacking tray 51 arranged downstream perpendicular second stop wall 52.
  • the second conveyor belt 50 is, as indicated in Fig. 2 by a second directional arrow 53, adaptable to the height of the stacked corrugated sheets 39 in the second stack tray 51.
  • an electronic control device 54 is provided, which is connected to the unrolling devices 3, 5, 18, the production devices 7, 27, the preheating device 15, the perforation device 31, the longitudinal cutting edge - / Rill device 32, the switch 36 and the cutting device 40 is in communication for data exchange.
  • the perforation device 31 and the longitudinal cutting / creasing device 32 are formed integrally in the multifunction unit 30.
  • the perforation device 31 is simultaneously designed as the first creasing station 33.
  • the perforation device 31 has for perforating the first cover sheet 12 a plurality of transverse to the working direction 13 side by side arranged first perforation units 55.
  • the perforation device 31 also has a plurality of second perforation units 56 arranged side by side transversely to the working direction 13 and facing the first perforation units 55 relative to the corrugated web 28.
  • the first perforation units 55 are independently pivotable about a first pivot axis 57 extending transversely to the working direction 13.
  • the second perforation units 56 for engaging with the second deck web 29 are independently pivotable about a second pivot axis 58 extending transversely to the working direction 13.
  • the pivoting the individual perforation units 55, 56 can be controlled by means of the control device 54.
  • the perforation units 55, 56 along their associated pivot axes 57, 58 are independently displaceable by means of the control device 54.
  • a first perforation unit 55 and an associated second perforation unit 56 may be coupled to one another along their pivotal axes 57, 58 mechanically or by means of the control device 54 for uniform displacement. This makes it possible to perforate the cover sheets 12, 29 exactly one above the other.
  • the perforation units 55, 56 may be displaceable for engagement with the deck panels 12, 29 transversely thereto and the associated pivot axes 57, 58.
  • the perforation units 55, 56 each have a tool carrier 59 on which a perforation disk 60 is mounted rotatably drivable.
  • the perforation disks 60 each have a disk base body 61 and integrally formed thereon perforation teeth 62.
  • the perforation teeth 62 are circumferentially arranged on the disk base 61 and evenly spaced from each other.
  • the perforation teeth 62 may be hardened.
  • the disk base body 61 has on its circumference a conically tapered end section 63 which merges steplessly into the perforation teeth 62 which are V-shaped in cross section.
  • the perforation disks 60 can each be fastened in a rotationally drivable manner to the associated tool carrier 59 by means of a plurality of circumferentially uniformly distributed fastening bores 64.
  • the perforation teeth 62 are substantially formed as a rectangular wedge. They each have two opposing rectangular tooth sidewalls 65, two substantially perpendicular to the tooth sidewalls 65 extending triangular tooth end walls 66 and a perforating edge 67 on. Between two adjacently arranged perforation teeth 62, a gap 68 is formed in each case.
  • the gaps 68 each have a width B L.
  • the tooth end walls 66 of a perforation tooth 62 run essentially parallel to one another, with imaginary extensions V of the tooth end walls 66 converging approximately at the center M of the perforation disc 60.
  • the perforation teeth 62 have a radial height H Z and a width B Z , wherein the width B Z corresponds approximately to the width B L of the gaps 68.
  • the perforation units 55, 56 define with their associated perforation edges 67 a minimum distance A P to each other transversely to the working direction 13. Accordingly, define the cover sheets 12, 29 with their corrugated web 9 facing inner walls a minimum distance A D of the cover sheets 12, 29 to each other transverse to the working direction 13.
  • the perforation device 31 is formed such that the minimum distance A P of the perforation units 55, 56 to each other at least 80%, in particular at least 90%, and in particular at least 95% of the minimum distance A D of the cover sheets 12, 29 to each other.
  • the minimum distance A P of the perforation units 55, 56 is adjustable by pivoting about the associated pivot axes 57, 58, wherein the control device 54 is formed such that the minimum distance A P automatically as a function of the minimum distance A. D of the deck tracks 12, 29 is adjustable.
  • scoring tools 69 are arranged on the tool carriers 59 of the perforation units 55, 56.
  • the scoring tools 69 are arranged downstream of the perforation disks 60 in the working direction 13, wherein the scoring tools 69 additionally or alternatively to the perforation disks 60 can be brought into engagement with the corrugated web 28.
  • the perforation device 31 is thus simultaneously formed as a first creasing station 33.
  • the second creasing station 34 has a plurality of first creasing units 70 and a plurality of second creasing units 71 disposed opposite to the corrugated web 28.
  • the first creasing units 70 are pivotable independently of each other for engagement with the corrugated web 28 about a third pivot axis 72.
  • the second creasing units 71 are pivotable about a fourth pivot axis 73 independently of each other.
  • the creasing units 70, 71 are constructed in correspondence with the perforation units 55, 56, but with the difference that, instead of the perforation disks 60, creasing disks 74 are arranged on the tool carriers 59. The creasing disks 74 are inoperative.
  • the creasing tools 69 are rotatably driven on the tool carriers 59 of the perforation units 55, 56 and the creasing units 70, 71 mounted and independently along the associated pivot axes 57, 58, 72, 73 displaced and separated from each other the corrugated web 28 engageable.
  • the longitudinal cutting stations 35 are arranged downstream of the second creasing station 34.
  • the longitudinal cutting stations 35 each have a plurality of rotary upper blade 75 and lower blade 76 which are independently displaceable transversely to the working direction 13 and with the corrugated web 28 for longitudinal cutting of the same can be brought into engagement.
  • the exact structure of the slitting / creasing device 32 is shown in FIG DE 197 54 799 A (Corr. US Pat. No. 6,071,222 ) as well as from the DE 101 31 833 A to which reference is hereby made for detail construction.
  • the corrugated board 1 will be described in more detail below.
  • the first and second material web 4, 6 are unrolled and fed to the first production device 7.
  • the second material web 6 is passed through the corrugating rolls 8, whereby the corrugated web 9 is produced.
  • the tips of the corrugated web 9 are provided with glue.
  • the sized corrugated web 9 and the first material web 4 are passed between one of the corrugating rolls 8 and the nip roll 11 and joined together to form the single-faced corrugated web 2.
  • the endless single-faced laminated corrugated web 2 is led out of the first production device 7 and deflected by means of the guide roller 14 and the preheating device 15 is supplied.
  • the third material web 16 is unrolled from the third unwinding device 18 and also supplied to the preheating device 15.
  • the corrugated web 2 and the third material web 16 are guided in the preheating device 15 via heating rollers 17 and heated.
  • the heated corrugated web 2 and the heated third material web 16 are led out of the preheating device 15 and fed to the second production device 27.
  • the single-faced laminated corrugated web 2 is fed to the gluing unit 19.
  • the exposed tips of the corrugated web 9 of the single-faced laminated corrugated web 2 are provided in the gluing unit 19 by means of the gluing roller 20 with glue.
  • the glued corrugated web 2 is fed together with the third material web 16 of the heat-pressing device 22.
  • the heating-pressing device 22 the glued corrugated web 2 and the third material web 16 are guided through the pressure-26, wherein the one-sided laminated corrugated web 2 with the third material web 16 to the two-sided laminated corrugated web 28 is connected.
  • the corrugated web 2 and the third material web 16 are pressed together, wherein the heating table 23 simultaneously heated and dried.
  • the double-sided laminated corrugated web 28 is then fed to the multifunction unit 30.
  • the cover webs 12, 29 of the corrugated web 28 are perforated.
  • the perforation disks 60 are brought into engagement with the corrugated web 28 by pivoting the perforation units 55, 56 about the associated pivot axes 57, 58.
  • the engagement of the perforation discs 60 is controlled by the controller 54.
  • the control device 54 has accurate data about the operating state of the corrugated board 1 and the material webs 4, 6, 16. In particular, the control device 54 has accurate data on the thickness of the material webs 4, 6, 16 and the corrugating rolls 8 that produce the corrugation.
  • the control device 54 calculates the minimum distance A D of the cover webs 12, 29.
  • the pivoting of the perforation units 55, 56 takes place as a function of the calculated minimum distance A D of the cover webs 12, 29 such that the perforation discs 60 perforate only the topsheets 12, 29 and the intervening corrugated web 9 remains substantially undamaged.
  • the control device 54 the minimum distance A P of the perforation units 55, 56 such that this at least 80%, in particular at least 90%, and in particular at least 95% of the minimum distance A D of the cover sheets 12, 29th is.
  • a change in the minimum distance A D of the cover webs 12, 29 is detected by the control device 54 and the minimum distance A P of the perforation units 55, 56 is adjusted accordingly automatically.
  • the perforated cover sheets 12,29 do not form undesirable bends due to the unseparated portions, so that the cover sheets 12,29, together with the substantially undamaged corrugated sheet 9, have very good stability properties in conjunction with very good tearing properties.
  • the perforation device 31 and the longitudinal cutting / creasing device 32 are combined in the multifunction unit 30, the perforation can easily be incorporated into an automatic format change. The perforation can be done very accurately with respect to the longitudinal cutting and scoring.
  • the perforated corrugated web 28 is then grooved in the first and / or second creasing stations 33, 34 and then cut longitudinally in the longitudinal cutting stations 35 into two or more web sections 37, 38.
  • the longitudinally cut corrugated web 28 is led out of the multifunction unit 30 and passed over the switch 36, wherein the first and second web section 37, 38 are divided.
  • the first web section 37 is carried out between the first cross-cutting roller pair 41 of the cutting device 40, wherein corrugated sheets 39 of the desired format are produced by means of the cutter bars 43.
  • the second web section 38 is performed between the second cross cutting roller pair 42 of the cutting device 40, wherein also by means of the cutter bars 43 corrugated sheets 39 are produced of the desired format.
  • Characterized in that the cutting device 40 of the perforation device 31 is arranged downstream, the production of perforated corrugated sheets 39 is easily possible.
  • the previously perforated corrugated web 28 is cut by means of the cutting device 40 on corrugated sheets 39 of the desired format.
  • the perforation device 31 in the corrugated board 1 the perforation in the manufacturing process of the corrugated sheets 39 is integrated, which saves time and money.
  • the perforation device 31 in the corrugated board plant the fact can be used that the corrugated web 9 is still moist and supple, thus avoiding the perforation tools rather and remains undamaged.
  • the perforated corrugated sheets 39 are transported by means of the conveyor belts 44, 50 to the associated stack trays 46, 51 and stacked there.
  • the main difference compared to the first embodiment is the configuration of the perforation discs 60a.
  • the tooth side walls 65a of the perforation teeth 62a are substantially formed as a parallelogram.
  • the tooth end walls 66a form an angle with the perforating edge 67a which is less than 90 °.
  • An imaginary extension V of the tooth end walls 66a does not extend through the center M of the perforation disc 60a.
  • the perforation teeth 62a are more easily engageable with the cover sheets 12,29.
  • Structurally identical parts receive the same reference numerals as in the first embodiment, to the description of which reference is hereby made.
  • Structurally different, but functionally similar parts receive the same reference numerals with a trailing b.
  • the main difference compared to the first embodiment is the configuration of the perforation discs 60b.
  • the tooth side walls 65b of the perforation teeth 62b are substantially trapezoidal in shape.
  • the width B Z of the perforation teeth 62b decreases in the radial direction, with the perforation teeth 62b have a minimum width B Z at their perforation edges 67b.
  • An imaginary extension V of the tooth end walls 66b does not pass through the center M of the perforation discs 60b.
  • the tooth side walls 66b of a perforation tooth 62b enclose an angle between 15 ° and 75 °, and more particularly between 30 ° and 60 °.
  • the gaps 68b have a maximum width B L in the region of the perforation edges 67b. Characterized in that the width B Z of the perforation teeth 62b decreases in the radial direction, occurs when perforating the cover sheets 12, 29, a cutting effect, which facilitates the perforation.
  • a third embodiment of the invention will be described with reference to Figs. 12 and 13.
  • Structurally identical parts receive the same reference numerals as in the first embodiment, to the description of which reference is hereby made.
  • Structurally different, but functionally similar parts receive the same reference numerals with a c.
  • the main difference with respect to the first embodiment is the configuration of the perforation teeth 62c.
  • the tooth side walls 65c of the perforation teeth 62c are triangular in shape.
  • the tooth end walls 66c of a perforation tooth 62c enclose an angle with each other which is between 30 ° and 60 °.
  • An imaginary extension V of the tooth end walls 66c does not pass through the center M of the perforation discs 60c.
  • the width B Z of the perforation teeth 62c decreases in the radial direction, whereas the width B L of the intervening gaps 68c increases.
  • the perforating edges 67c are formed only punctiform. Due to the punctiform formation of the perforating edges 67 c, the perforation teeth 62 c can be easily brought into engagement with the cover webs 12, 29.
  • the further mode of operation of the perforation device 31c provided with the perforation disks 60c is referred to the preceding embodiments.
  • the perforation discs 60, 60a, 60b and 60c With respect to the different geometries of the perforation discs 60, 60a, 60b and 60c, a distinction must be made between the insertion force required for perforation and the insertion depth.
  • the perforation teeth 62c are tapered toward the outside so that the required insertion force is small, but the insertion depth for producing a perforation of a predetermined length is greatest, so that the amount of injury to the corrugated web 9 is also the largest.
  • a compromise is the perforation disc 60b, in which the perforation teeth 62b although conically tapered outwards, but the tips are formed flattened.
  • this arrangement it is possible to put the two perforation disks 60 closer to each other so that the perforation edges 67 even overlap. In the case of Fig. 5, this would mean that the perforating edge 67 of the lower disc 60 is higher than the perforating edge 67 of the upper edge 60. In this way, a possible deflection of the corrugated web 28 can be compensated for too high a dipping force.
  • the axial offset of the cooperating perforation discs 60 increases the stability of the perforated corrugated web 28.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP07011239.6A 2006-07-27 2007-06-08 Installation et procédé de fabrication de feuilles de carton ondulé Not-in-force EP1882563B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006035560A DE102006035560A1 (de) 2006-07-27 2006-07-27 Wellpappe-Anlage sowie Verfahren zur Herstellung von Wellpappe-Bögen

Publications (3)

Publication Number Publication Date
EP1882563A2 true EP1882563A2 (fr) 2008-01-30
EP1882563A3 EP1882563A3 (fr) 2009-08-19
EP1882563B1 EP1882563B1 (fr) 2015-07-29

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ID=38710526

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Application Number Title Priority Date Filing Date
EP07011239.6A Not-in-force EP1882563B1 (fr) 2006-07-27 2007-06-08 Installation et procédé de fabrication de feuilles de carton ondulé

Country Status (3)

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EP (1) EP1882563B1 (fr)
DE (1) DE102006035560A1 (fr)
ES (1) ES2545384T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013114866A1 (de) 2013-12-24 2015-06-25 Als Automatic Logistic Solutions Gmbh Rundmesser sowie Messerwerkzeug mit einem Rundmesser
EP2891549A2 (fr) 2013-12-24 2015-07-08 ALS Automatic Logistic Solutions GmbH Outil à lame ronde
IT202000003704A1 (it) * 2020-02-21 2021-08-21 Scatolificio La Veggia S P A Gruppo formatore per linee ondulatrici

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716999A1 (de) * 1987-05-21 1988-12-08 Zewawell Ag & Co Kg Aufreisseinrichtung fuer verpackungen aus wellpappe und verfahren zur herstellung der aufreisseinrichtung
DE4421011A1 (de) * 1994-06-20 1996-01-04 Gerhard Schnabel Maschine zum Bearbeiten von Wellpappebahnen
DE10227050B3 (de) * 2002-06-17 2004-01-29 Albert Frey Verpackungsentwicklungen Und Vertriebs-Gmbh Wellpappe mit Aufreißlinie
ITBO20030460A1 (it) * 2003-07-31 2005-02-01 L C R S N C Di Lorenzoni Remo & C Macchina per realizzare fustellati di cartone.
DE10356037A1 (de) * 2003-12-01 2005-07-07 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Schneid-Vorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013114866A1 (de) 2013-12-24 2015-06-25 Als Automatic Logistic Solutions Gmbh Rundmesser sowie Messerwerkzeug mit einem Rundmesser
EP2891549A2 (fr) 2013-12-24 2015-07-08 ALS Automatic Logistic Solutions GmbH Outil à lame ronde
EP2894017A1 (fr) * 2013-12-24 2015-07-15 ALS Automatic Logistic Solutions GmbH Procédé d'application d'un chemin de coupe et dispositif d'application d'un chemin de coupe
EP2894015A1 (fr) 2013-12-24 2015-07-15 ALS Automatic Logistic Solutions GmbH Lame ronde
IT202000003704A1 (it) * 2020-02-21 2021-08-21 Scatolificio La Veggia S P A Gruppo formatore per linee ondulatrici

Also Published As

Publication number Publication date
EP1882563B1 (fr) 2015-07-29
DE102006035560A1 (de) 2008-04-10
ES2545384T3 (es) 2015-09-10
EP1882563A3 (fr) 2009-08-19

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