EP1974897A2 - Dispositif pour le gaufrage d'une quantité de lignes de pliage dans une couche de matériau - Google Patents

Dispositif pour le gaufrage d'une quantité de lignes de pliage dans une couche de matériau Download PDF

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Publication number
EP1974897A2
EP1974897A2 EP08005562A EP08005562A EP1974897A2 EP 1974897 A2 EP1974897 A2 EP 1974897A2 EP 08005562 A EP08005562 A EP 08005562A EP 08005562 A EP08005562 A EP 08005562A EP 1974897 A2 EP1974897 A2 EP 1974897A2
Authority
EP
European Patent Office
Prior art keywords
roller body
foil sheet
main roller
main
rotary shaft
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
EP08005562A
Other languages
German (de)
English (en)
Other versions
EP1974897B1 (fr
EP1974897A3 (fr
Inventor
Siegfried Fuchs
Holger Gingele
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.)
Winkler and Duennebier GmbH
Original Assignee
Winkler and Duennebier 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 Winkler and Duennebier GmbH filed Critical Winkler and Duennebier GmbH
Publication of EP1974897A2 publication Critical patent/EP1974897A2/fr
Publication of EP1974897A3 publication Critical patent/EP1974897A3/fr
Application granted granted Critical
Publication of EP1974897B1 publication Critical patent/EP1974897B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • 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
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters
    • 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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/08—Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
    • B26D3/085—On sheet material
    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/018—Holding the work by suction
    • 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
    • B31B50/254—Surface scoring using tools mounted on belts or chains
    • 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 device for impressing a number of preliminary breaks in a material layer, in particular in a material web having a predetermined width and layer thickness or in a material blank with a predetermined format.
  • Such pre-fractures impressed into a material layer form fold lines, for example in the production of envelopes, mailing envelopes or packaging articles of a different kind.
  • the material layer used may consist of paper, plastics or other elastically and plastically deformable materials.
  • a material layer is present as a web with a fixed predetermined width and layer thickness, or as a blank with a fixed predetermined format.
  • the embossment of a variable number of pre-breaks in such a material layer usually represents one of several process steps of a processing chain. For example, in the production of envelopes, the height of the envelopes is defined by the distance between adjacent preruns. Further processing steps include in particular cutting and folding processes.
  • the two Vorbruchmesser must be adjusted to each other.
  • one of the roughing knives is fixedly arranged on the Vorwalwalze, while the other Vorbrechmesser is arranged on an adjustable in the Vorbruchwalze segment shell.
  • a segment-shaped gap is formed in the Vorwalwalze whose circumferential extent is determined by the difference between the minimum and the maximum of the adjustable circumferential distance of the Vorbrechmesser.
  • the adjustable segment shell is variably positionable. Disadvantageously, this leaves remaining gaps of variable size.
  • the object of the invention is to provide a device for impressing a number of Vorbrüchen in a layer of material, with which a format change of the Vorbruchsabstandes is possible with very little effort.
  • a device for embossing a number of Vorbrüchen in a material layer comprising a rotatably mounted on a rotary shaft main roller body and a number of embedded in the main roller body holding elements for positioning and / or fixing a first foil sheet with a first pruning edge on the Peripheral surface of the main roller body, which is characterized in that with respect to the longitudinal axis of the rotary shaft angularly rotatable holding device is provided, which holding device for positioning and / or fixing at least one further, second foil sheet is formed with a second cutting edge.
  • the invention is based on the idea of substituting the direct mechanical connection of the billet knives to the billet roll, which causes the disadvantages of the construction described above, by means of an indirect mechanical coupling.
  • the billets are formed as a pruning cut on a respective foil sheet, and at least two such foil sheets are arranged mutually adjustable on the peripheral surface of the Vorbruchwalze.
  • a Vorbruchwalze is provided with a central main roller body to which one of the foil sheets is attached surface-fitting, and a relative to the main roller body angle-adjustable holding device for a second foil sheet.
  • this holding device the second foil sheet to the main roller body and attached thereto first foil sheet to form a variable circumferential distance between the Vorbruchtex within a limited angular range adjustable.
  • the holding device is arranged in such a way to the main roller body, that the local distances of both foil sheets in each case in the region of the Vorbruchmony to the central longitudinal and rotational axis of the rotary shaft to which the main roller body is fixed, substantially coincide.
  • the impressing of a variable number of pre-fractures into a material layer can take place by a rotation of the main roller body, wherein the holding device co-rotates with the main roller body at a constant angular rotation.
  • the main roller body has no segment-shaped gap and thus has no imbalance in the rotation.
  • the holding device comprises two additional roller bodies, which are arranged rotatably mounted on both sides of the main roller body on the rotary shaft.
  • the radii of the additional roller body with respect to the central longitudinal and rotational axes of the rotary shaft are substantially coincident with each other and with the radius of the main roller body with respect to the central longitudinal and rotational axis of the rotary shaft, so that the second foil sheet on the inside at least approximately rests against the peripheral surface of the main roller body.
  • Such a configuration is characterized by a particularly compact and symmetrical shape, which is advantageous for a low-wear use of the device even at higher rotational speeds of the roll body.
  • two further additional roller bodies are provided as a holding device for a further foil sheet, which are arranged on both sides of the already existing additional roller body rotatably mounted on the rotary shaft.
  • each two additional roll body as a holding device for each additional sheet of foil is iteratively gozusbar.
  • the device may be formed with a plurality of Vorbruchtex.
  • Vorbruchtex can be parallel to the axis straight and / or V-shaped and / or zigzag and / or wave-shaped or adapted to another predetermined contour.
  • a clamping system and / or a number of magnets is provided, by means of which and / or. by means of which one or each additional roller body is fixable relative to the rotary shaft and thus relative to the main roller body.
  • Such a clamping system and / or such a number of magnets is expediently arranged in the region of the respective end faces of the additional roller body and of the main roller body which are opposite one another.
  • a scale is preferably provided by means of which a predefined angular adjustment of the or each additional roller body to the main roller body can be performed by a number of fixed predetermined angle.
  • the clamping system further comprises a latching device, so that engage with a predetermined number of angular positions of the main roller body to or for each additional roller body, the respective roller body to each other. In this way, a deadlock for certain angles can be simplified.
  • a number of retaining elements for the purpose of fixing the second foil sheet on the peripheral surface of the respective additional roll body is embedded in the or each additional roll body.
  • the connection of the second foil sheet with the or each additional roll body can be realized in an analogous manner as the connection of the first foil sheet with the main roll body.
  • the second foil sheet projects beyond the main roller body at least in partial regions with respect to the longitudinal axis of the rotary shaft for fastening the second foil sheet on the peripheral surface of the respective additional roller body.
  • a magnetic element is preferably provided.
  • a magnetic element has the advantage that no further mechanical connecting elements are required for the performance of the holding function, since the holding function is provided by the magnetic interaction. Furthermore, the holding function can be destabilized and canceled by exerting a supercritical opposing force, which is advantageous in particular when mechanical elements are stably configured with respect to one another should be under a targeted force but to move each other.
  • a magnetic element integrated directly in the peripheral surface of the main roller body can perform a holding function for the second film sheet in the stationary state without first having to loosen a mechanical element for subsequent angular adjustment of the foil sheet to the main roller body and readjusting it after the adjustment.
  • a pin or pin is expediently provided, which is embedded in the main roller body or in an additional roller body.
  • the longitudinal axis of the pin or pins has to achieve maximum holding stability substantially in a direction orthogonal to the peripheral surface of the respective roller body or radial direction.
  • Such a pen is mainly used to form a configuration application, which should be stable in the regular case against targeted forces, in the device thus in particular for connecting the first foil sheet to the main roll body and for connecting the second foil sheet with one or each additional roll body.
  • the pin or pin is almost completely sunk in the respective roller body, so that it does not or only slightly surmounted the outer surface of the respective foil sheet facing away from the roller body.
  • a number of pins or pins form a pin or pin strip, wherein the pins or pins pass through the respective foil sheet for fixing the same to the corresponding roll body in a groove whose length suitably corresponds to the length of the roll body.
  • a clamping strip can be provided for fixing the foil sheet to the roll body, which is inserted in a correspondingly formed groove.
  • Such a pin, pin or terminal strip is preferably provided when for forming a stable connection between the foil sheet and the roll body a Variety of holding elements is required, for example, with a sufficient length of the roller body.
  • the first and / or the second foil sheet to form a full-surface or locally planar contact with the peripheral surface of the main roller body or the or each additional roller body is formed in each case correspondingly curved.
  • the respective foil sheet lies on the inside on the peripheral surface of the main roller body.
  • both foil sheets have a substantially identical radius of curvature in the region of their outer surfaces, so that they form a region of a cylinder jacket surface. This is advantageous for the transport of a material layer, since the material layer can roll off directly on the outer surfaces of the foil sheets without being impaired by a locally irregular surface shape.
  • the first foil sheet and the second foil sheet have an edge shape designed for reciprocal engagement, mutually corresponding.
  • the second foil sheet for the first foil sheet with respect to the direction of rotation of the rotary shaft can be variably positioned, at the same time reciprocal engagement of the foil sheets.
  • the interlocking of the foil sheets ensures that, for each adjustment angle between the minimum and maximum circumferential spacing of the pitting cutting edges, the outer radius of the roll body with the overlying foil sheets with respect to the longitudinal axis of the rotating shaft in the region in which the foil sheets abut each other along a line parallel to the longitudinal axis is not consistently reduced by the thickness of the foil sheets.
  • the material layer transported on the outer surfaces of the foil sheets is in the range held between the Vorbrucht of a constant maximum outer radius, which is reduced at most in localized areas.
  • an advantageously smooth contact of the material layer is achieved, while avoiding unwanted deformations.
  • the first foil sheet and the second foil sheet have an interlocking toothing.
  • Such a design is easy to manufacture and is characterized by its regularity.
  • the main roller body and / or one or each additional roller body each have suction air zones with a number of suction air openings opening into the respective peripheral surface, which are designed for coupling to a system for drawing in air.
  • Such a suction air zone serves, in particular, for an adhesion of a material blank uniformly distributed over a partial area of the peripheral surface of the or each roller body, in order to keep the material blank stably in the course of impressing preliminary breaks, and for defined transport of the material blank in the machine.
  • the holding function on the or each roll body is eliminated, since the holding function is exerted externally and / or over the material web itself.
  • the suction air zone is arranged, in particular, in a region of the or each roll body which lies in a region leading with respect to the direction of rotation of the rotary shaft to the region in which the film sheets are arranged circumferentially adjacent. An overlapping of both areas is possible, in which case the film sheet arranged in each case in a region of the suction air zone has a number of passage openings for the suction air openings located on the underside of the sheet.
  • an end portion of the blank forming the bottom flap of the envelope is held in the region of the suction air zone by a negative pressure in the suction air openings created by the suction of air.
  • the region of the blank trailing with respect to the direction of rotation of the rotary shaft is thereby pulled over the outer surfaces of the foil sheets.
  • the Vorbruchmesser shape two pre-fractures in the blank.
  • the pre-breaks define the so-called format level of the future envelope, since its height is determined by the distance of the pre-breaks.
  • the main roller body and / or the or each additional roller body has a diameter in a range of about 60 mm to about 300 mm.
  • Such an embodiment of the device is used in particular in the processing of material webs application, for example in paper webs.
  • the main roll body and / or the or each additional roll body has a diameter in a range of about 100 mm to about 300 mm.
  • Such an embodiment of the device is used, in particular, in the processing of material blanks, for example in the case of paper blanks in the course of the production of envelopes, mailing envelopes or the like.
  • Fig. 1 the device 1 is shown in a longitudinal view.
  • One of the device 1 associated mating roll with elastic sheath has been omitted in this illustration.
  • the main roller body 2 is rotatably positioned on a driven rotary shaft 3.
  • a first foil sheet 5 is fixed with a first pruning blade 6 arranged thereon.
  • the scoring blade 6 is aligned parallel to the central longitudinal axis 7 of the rotary shaft 3.
  • the positioning and fixing of the first foil sheet 5 by means of a number of embedded in the peripheral surface 4 magnetic elements 8 and 9 by means of pins which engage through a parallel to the central longitudinal axis 7 groove 10.
  • a plurality of pins 9 may be provided which form a pin bar in the groove 10.
  • a terminal strip can also be used, which can be inserted into the groove 10.
  • a second foil sheet 11 is formed, which is designed to be slightly wider than the first foil sheet 5 with respect to the direction of the longitudinal axis 7 and which thus projects beyond the main roll body 2 on both sides by the same length amount 12.
  • the second film sheet 11 is by means of a respective further pin 9a on each one additional roller body 13, which is arranged rotatably mounted in each case with respect to the longitudinal axis 7 end side of the main roller body 2 on the rotary shaft 3, fixedly positioned.
  • the circumferential distance 15 is seen to the first scorching edge 6 here in the projection on the plane of the drawing.
  • the shapes of the two end edges 17 and 18 form a formed for mutual engagement of the two foil sheets 5 and 11, rectangular teeth.
  • the maximum distance position is characterized in that just no continuous gap between the foil sheets 5 and 11 is cleared parallel to the longitudinal axis 7 on the peripheral surface of the main roll body. As a result, a material layer is continuously transported on the surfaces of the two sheets 5 and 11, without the material layer would be affected by a continuous gap.
  • Fig. 2 shows the device 1 according to Fig. 1 in a cross-sectional view in the region of the main roller body 2.
  • an elastic coated counter-roller 19 is shown, which rotates in the direction of rotation 20 of the rotary shaft 3 inverse direction of rotation 21, whereby between the main roller body 2 and the counter-roller 19, a material layer 22 is transported.
  • Visible are the first and the second foil sheet 5 and 11 and respectively arranged thereon Vorbruchcher 6 and 14.
  • the illustration shows a snapshot temporally Immediately before the impressing of a first advance into the material layer 22 by the first pruning cutter 6.
  • a relative to the plane of representation vertically offset, to the main roller body 2 radially aligned and almost completely sunk in this pin 8 is shown.
  • the first foil sheet 5 is fixed to the main roller body 2.
  • Another pin 8a fixes in a similar manner, the second film sheet 11 to one of the additional roller body, which is arranged with respect to the vertical plane to the representation plane end to the main roller body 2 and not visible here. Further visible are the two frontally opposite end edges 17 and 18 of the first and the second foil sheet 5 and 11, and with respect to the direction of rotation 20 leading end edge 23 of the first foil sheet 5 and the trailing edge 24 of the second foil sheet 11 with respect to the direction of rotation 20 ,
  • Fig. 3 shows a cross section of the main roll 2 of a further device 1 according to the invention with Saug Kunststoffö Anlagennnenen 25, which are embedded in a suction air zone 26 in the leading with respect to the direction of rotation 20 to the first foil sheet 5 on the peripheral surface of the main roller body 2.
  • Saugluftö Maschinenen 25 By sucking in air from the respective side channels 27 connected to the suction air openings 25, a negative pressure is generated in the area of the suction air zone 26, by means of which a material blank is held on the main roll body 2 while the main roll body 2 rotates.
  • Further details of the representation correspond to those in Fig. 2 and are Fig. 2 removable.
  • Fig. 4 shows a cross section of the main roll 2 of another device 1 according to the invention with Saug Kunststoffö Anlagen Maschinenen 25 analogous to Fig. 3
  • the suction air zone 26 is completely surrounded by the first foil sheet 5.
  • the first film sheet 5 has passage openings 28 designed as elongated holes for the suction air openings 25. Further details of the representation correspond to those in Fig. 3 and are Fig. 3 removable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP08005562.7A 2007-03-27 2008-03-26 Dispositif pour le gaufrage d'une quantité de lignes de pliage dans une couche de matériau Active EP1974897B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007015300A DE102007015300B4 (de) 2007-03-27 2007-03-27 Vorbruchwalze

Publications (3)

Publication Number Publication Date
EP1974897A2 true EP1974897A2 (fr) 2008-10-01
EP1974897A3 EP1974897A3 (fr) 2012-08-08
EP1974897B1 EP1974897B1 (fr) 2013-09-25

Family

ID=39591575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08005562.7A Active EP1974897B1 (fr) 2007-03-27 2008-03-26 Dispositif pour le gaufrage d'une quantité de lignes de pliage dans une couche de matériau

Country Status (4)

Country Link
US (1) US8870731B2 (fr)
EP (1) EP1974897B1 (fr)
DE (1) DE102007015300B4 (fr)
ES (1) ES2439743T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7491947B2 (ja) * 2019-05-02 2024-05-28 ジェイティー インターナショナル エスエイ オーバーラップフィルム用引き裂きテープの排除方法及びデバイス

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19640042A1 (de) 1996-09-30 1998-04-02 Winkler Duennebier Kg Masch Verfahren und Vorrichtung zum Herstellen von Quervorbrüchen, insbesondere an Briefumschlagzuschnitten

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752042A (en) * 1971-10-06 1973-08-14 Castille Cutting Dies Inc Adjustable die plate
US4343215A (en) * 1980-09-11 1982-08-10 The United States Of America As Represented By The Secretary Of The Treasury Perforating cylinder
CA1276871C (fr) * 1986-11-03 1990-11-27 Roland Falasconi Fixation pour plaque d'outil a decouper les panneaux
WO1995028261A1 (fr) * 1994-04-13 1995-10-26 Winkler & Dünnebier Emporte-piece souple et cylindre-support
DE4415291A1 (de) * 1994-04-30 1995-11-02 Bielomatik Leuze & Co Bearbeitungswerkzeug, insbesondere Querprägewerkzeug für Lagen-Material
US6119570A (en) * 1997-06-03 2000-09-19 Best Cutting Die Company Panel cutting apparatus with universal die holder
DE19841834A1 (de) * 1998-09-12 2000-03-16 Winkler & Duennebier Ag Drehbare Messerwalze
DE29921967U1 (de) * 1999-06-04 2000-03-23 Winkler & Duennebier Ag Drehbare Messerwalze
DK174943B1 (da) * 2002-02-13 2004-03-15 Inter Ikea Sys Bv Maskine til udstansning af emner fra en bane af bølgepap samt til dannelse af bukkeanvisningslinier i emnerne

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19640042A1 (de) 1996-09-30 1998-04-02 Winkler Duennebier Kg Masch Verfahren und Vorrichtung zum Herstellen von Quervorbrüchen, insbesondere an Briefumschlagzuschnitten

Also Published As

Publication number Publication date
US20080242526A1 (en) 2008-10-02
ES2439743T3 (es) 2014-01-24
EP1974897B1 (fr) 2013-09-25
DE102007015300B4 (de) 2013-07-04
DE102007015300A1 (de) 2008-10-02
EP1974897A3 (fr) 2012-08-08
US8870731B2 (en) 2014-10-28

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