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WO2009143981A1 - Paire de rouleaux de gaufrage et rouleau de gaufrage pour produire par voie rotative un motif gaufré dans une feuille plate - Google Patents

Paire de rouleaux de gaufrage et rouleau de gaufrage pour produire par voie rotative un motif gaufré dans une feuille plate Download PDF

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Publication number
WO2009143981A1
WO2009143981A1 PCT/EP2009/003568 EP2009003568W WO2009143981A1 WO 2009143981 A1 WO2009143981 A1 WO 2009143981A1 EP 2009003568 W EP2009003568 W EP 2009003568W WO 2009143981 A1 WO2009143981 A1 WO 2009143981A1
Authority
WO
WIPO (PCT)
Prior art keywords
embossing
roll
groove
web
embossing roller
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.)
Ceased
Application number
PCT/EP2009/003568
Other languages
German (de)
English (en)
Inventor
Reinhard Raueiser
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 WO2009143981A1 publication Critical patent/WO2009143981A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • 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
    • 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
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • 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
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0733—Pattern
    • 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
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0738—Cross sectional profile of the embossments
    • 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
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0753—Roller supporting, positioning, driving means

Definitions

  • Embossing roll or embossing roll for rotatively generating an embossing pattern in one
  • the present invention relates to an embossing roller pair or an embossing roller for rotatively generating an embossing pattern in a flat piece of material. It also relates to a stamping foil for attachment to the roller circumference of a stamping roller and to a method for transporting a flat piece of material through a rotary stamping station.
  • a flat piece of material in the sense of the present invention can be, for example, a flat sheet of cardboard, from which several flat material blanks are produced as products. In the sheet material blanks obtained from the arc, it may be z. B. to carton blanks, which are later folded into drug boxes.
  • a piece of flat material in the sense of the present invention can also be a flat material blank made of paper, which is processed into an envelope or an envelope.
  • Rotative embossing stations are known per se. With their help, for example, logo, lettering or braille embossing or embossed pre-break lines are introduced into the flat material pieces in question.
  • the pre-break lines are material weakenings in the form of grooves in the flat
  • Fig. 2 shows an example of a known embossing station. It comprises a rotatably mounted embossing roller V and a likewise rotatably mounted counter embossing roller 2 1 , which form a nip 3 'between them.
  • the rollers 1 ', 2' rotate in opposite directions according to the arrows R.
  • both the embossing roller 1 'and the counter embossing roller 2 "have embossing means for generating an embossing pattern on their roller circumference, which are shown schematically and act as a male part 10 "and die 11 'together.
  • Punch 10 "and die 11 ' are arranged according to a predetermined embossing pattern on the respective roll circumference.
  • the sheet material B to be embossed is fed from the right to the nip 3 "in the transporting direction T by means of a suction belt transport device 12".
  • the flat material pieces B are taken over by the Saugbandtransport enabled 13' and further transported in Fig. 2 to the left.
  • the flat pieces of material B are so short that neither of the Saugbandtransport Hughes 12 'nor the Saugbandtransportinnate 13' a holding effect can be exercised on them, there is a risk that the flat pieces of material B are not exactly in time through the nip 3 "transported and / or they lose their orientation in the transport direction T due to rotational movements occurring about their vertical axis.
  • an embossing roller pair in which at least one of the two embossing rolls has embossing means for producing an embossing pattern at its roll periphery and, moreover, at least one of the two embossing rolls is provided at its roll periphery with transport means for transporting the flat material piece through the nip.
  • the means of transport are present in addition to the embossing means.
  • the means of transport unfold their transport function in that they pinch the flat piece of material during its entire transport through the nip between the two embossing rollers.
  • both the embossing means and the transport means are arranged on the same embossing roller of the embossing roller pair.
  • the embossing means exclusively on the embossing roller and the transport means exclusively on the counter embossing roller.
  • the counter embossing roller is then an embossing roller without embossing agent, but has the transport according to the invention. If embossing means and transport means are located on the embossing roller, then the counter embossing roller may be a roller with an elastic circumferential surface known per se.
  • co-operating embossing means may also be located both on the embossing roll-for example in the form of a male mold-and on the counter embossing roll-for example in the form of a female mold.
  • the advantage is achieved that a safe, clock-accurate and Ia-stable transport of the flat pieces of material can be carried out regardless of the type of predetermined embossing pattern. Even in a particularly advantageous manner, it is possible to shut down an embossing station of an overall machine equipped with the embossing roll pair according to the invention in such a way that no embossing of the flat pieces takes place at all, but safe transport through the embossing station can still take place. This increases the flexibility of the overall machine, since the decommissioning of the embossing function is made possible without major retooling, especially without complete removal of the embossing station.
  • the transport means stabilize the flat piece of material to be transported in its horizontal transport plane.
  • the flat piece of material bends less down from the transport plane and can be surrendered more securely to a subsequent to the nip transport device, in particular safer to be placed on a subsequent conveyor belt.
  • the transport means according to the invention are arranged on both embossing rollers of the embossing roller pair. It is conceivable, for example, that at least one raised on the roll circumference of the embossing roll circumferential groove web cooperates with at least one circumferential on the roll circumference of the counter embossing roll groove. Alternatively, it is possible to arrange at least one groove web extending on the roller circumference both for the embossing roller and for the counter embossing roller for detecting the flat material piece. In the case of pairing gutter / groove channel, the clamping of the flat piece of material takes place in that it is partially pressed by the groove bar in the creasing channel. In the case of the Rillsteg / Rillsteg pairing, the clamping of the flat piece of material takes place by pressing between the two grooves.
  • the transport means according to the invention can also be formed by in each case a plurality of groove webs or groove channels per embossing roller.
  • the groove web or groove channel preferably runs closed in the circumferential direction of the embossing roller and / or the counter embossing roller. It is also conceivable, however, to let the groove web and / or the groove channel circulate in sections in the circumferential direction. In this context, it is conceivable that the groove web and / or the groove channel in a single section rotates in the circumferential direction, which has an angular extent of less than 360 °. The size of the angular extent of the single section is chosen as a function of the format length of the flat piece of material.
  • the groove web and / or the groove channel consists of a plurality of circumferentially preferably uniformly spaced Rillstegabitesen or Rillkanalabroughen which are arranged at an angular extent of either 360 ° or less on the roll circumference.
  • the means of transport according to the invention form in This embodiment, a kind of toothing, which can safely detect and clamp the flat piece of material to be transported.
  • the present invention can also be realized in the form of a flexible embossing foil, which can be attached, for example, by means of magnetic force to the roll periphery of an embossing roll and / or a counter-embossing roll.
  • Embossing foils of this type are known per se without the transport according to the invention.
  • an embossing foil according to the invention is applied to at least one of the two embossing rollers of the embossing roller pair.
  • embossing rollers must have transport means according to the invention, it is conceivable that the other embossing foil is a conventional embossing foil or that no embossing foil is arranged on the other embossing roll.
  • the present invention may find application in connection with various types of flat pieces.
  • the pieces of flat material are then sheets of flat material, whereby from each sheet several folding box blanks are produced.
  • a residual grid of the flat material sheet to be disposed of as waste is obtained.
  • the transport means according to the invention can be arranged in any desired or at the respectively most suitable place depending on the specific application in the axial direction of the embossing rollers.
  • FIG. 1 shows a schematic view of an embossing roller pair according to the invention, viewed in the direction of passage of the flat material pieces through the nip;
  • FIG. 2 shows a schematic side view of a rotary embossing station according to FIG.
  • FIG 3 shows an illustration of several embodiments of the transport means according to the invention in the form of scoring webs as well as scoring channels or groove web sections as well as groove channel sections.
  • the embossing roller pair comprises the embossing roller 1 and the counter embossing roller 2.
  • Both embossing rollers 1, 2 are rotatably mounted about their axes of rotation 6, 7 and rotate in operation such that a not shown in Fig. 1 flat sheet of cardboard in the direction of FIG. 1 is conveyed through the nip 3 between the embossing roller 1 and the counter embossing roller 2 and thereby stamped.
  • the embossing roll 1 and the counter-embossing rolls 2 have embossing means not shown in more detail on their respective roll circumference in FIG.
  • the embossed pattern to be produced may be braille, for example.
  • the embossing roll 1 in its two axial end regions in each case a circumferentially completely closed circumferential ridge web 4, which protrudes from its roll circumference.
  • the counter embossing roller 2 has at the same axial points in each case a circumferentially closed circumferential creasing channel 5, which cooperates with the respective groove web 4.
  • Each of the two Rillkanäle 5 is formed by two circumferentially of the counter-embossing roller 2 encircling and raised Rillkanalwanditch 8, 9.
  • the two Rillstege 4 form the transport means according to the invention while the two Rillkanäle 5 represent the other means of transport in the context of the present invention.
  • the distance between the two groove webs 4 or the two groove channels 5 measured in the axial direction of the embossing roller 1 or counter embossing roller 2 is selected such that a flat material sheet guided into the roller gap 3 is captured by the groove webs 4 or groove channels 5 in those edge regions in which the residual grid of the arch to be disposed of later is located.
  • the groove webs 4 press the corresponding area of the arch in the respective groove channel 5.
  • the circumferential surfaces of the two groove walls 8, 9 support the arc from below while the peripheral surface of the respective groove 4 supports the arch from above pushes down.
  • the embodiment shown therefore causes a resulting from this type of clamping transport, holding and guiding force on the flat material sheet, which ensures its positionally stable transport through the nip 3 particularly well.
  • the radial distance between the respective groove web 4 and the respective groove channel 5 can be adjusted in the case of detecting the flat material sheet in the edge region of the later residual grid so that the best transport effect is achieved. In this connection, it does not need to be considered whether or not the sheet is grooved permanently in this area. If the arrangement of the flat material blanks to be produced in the sheet is selected such that, after the cutting of the sheet material blanks from the sheet, gene no coherent skeleton remains, the Rillstege 4 or Rillkanäle 5 always capture the sheet flat in a range in which the folded later folding carton blanks are.
  • Fig. 3 shows various embodiments of transport means and other means of transport in the context of the present invention.
  • a sectional representation of that region of the nip 3 is shown, in which the means of transport or other means of transport are located.
  • a small section of the embossing roller 1 and the counter embossing roller 2 is shown at the upper end of FIG.
  • Below the respective views are shown on the lateral surfaces of the embossing roller 1 and the counter embossing roller 2 in developed in the plane of the form.
  • the transport means associated with the counter embossing roller 2 are shown hatched.
  • the transport means associated with the embossing roller 1 are always in white, i. without hatching.
  • the development of the lateral surfaces shows an angular range of 360 °.
  • the embodiment g shown in FIG. 3 shows the transport means as well as the further transport means according to the embodiment of the embossing roller pair according to the invention shown in FIG.
  • the embossing roller 1 has in each of its two end regions to a closed circumferential ridge web 4, which is shown in the development of FIG. 3 without hatching.
  • the counter-roller 2 is provided in each of its two end regions with a groove channel 5, each of the Rillkanalwandept 8, 9 is formed.
  • the Rillkanalwandungen 8, 9 are shown hatched in the development of FIG. 3.
  • both the transporting means and the further transporting means are formed by a respective closed circumferential ribbed web, with the two ribbed webs lying directly opposite one another. Also in the embodiment b are two closed circumferential Rillstege available, but these are arranged offset from one another in the axial direction of the embossing rollers 1, 2.
  • both the transport means and the further transport means are formed by a plurality of preferably uniformly spaced groove web portions, with the individual groove web portions of the embossing roll 1 and the counter embossing roll 2 being located directly opposite both in the axial and in the circumferential direction.
  • the embodiment d differs from the embodiment c only in that the Rillstegabroughe the embossing roll 1 are arranged offset relative to the Rillstegabroughen the embossing roll 2 in the axial direction.
  • the embodiment e differs from the embodiment c only in that the Rillstegabroughe the embossing roll 1 are arranged offset relative to the Rillstegabroughen the counter-embossing roll 2 in the circumferential direction such that the one roll associated Rillstegabroughe lie in gap to the other roll associated Rillstegabroughen.
  • the embodiment f differs from the embodiment e only in that the Rillstegabroughe the embossing roll 1 relative to the Rillstegabroughen the counter impression roller 2 in addition to the offset in the circumferential direction have an offset in the axial direction.
  • the transport means associated with the embossing roll 1 consist of a multiplicity of preferably uniformly spaced ridged web sections.
  • the further transport means associated with the counter embossing roller are formed in this embodiment by a multiplicity of preferably uniformly spaced groove channel sections.
  • the individual Rillstegabitese are in the circumferential direction at the same point as the individual Rillkanalabitese.
  • the embodiment i differs from the embodiment h only in that the groove web portions of the embossing roll 1 are arranged offset relative to the Rillkanalabbalden in the circumferential direction such that the Rillstegabhowe lie with the Rillkanalabroughen in the circumferential direction on the gap.
  • the counter embossing roller 2 has no transport means at all, i. further means of transport in the sense of the present invention are not present. Only the embossing roller 1 is provided with transport means. These are formed in the embodiment j of a single, closed circumferential ridge web, while they are formed in the embodiment k of a plurality of preferably uniformly spaced Rillstegabroughe.
  • the transport means or further transport means form a type of toothing for detecting and clamping the flat pieces of material B to be transported.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

L'invention concerne une paire de rouleaux de gaufrage servant à produire un motif gaufré dans une feuille plate, qui comprend un rouleau de gaufrage (1) et un rouleau de gaufrage antagoniste (2) formant entre eux un espace (3) prévu pour introduire la feuille plate de manière guidée. Au moins un des deux rouleaux de gaufrage (1, 2) présente sur son pourtour des éléments de gaufrage servant à produire le motif gaufré et au moins un des deux rouleaux de gaufrage (1, 2) présente sur son pourtour des éléments de transport (4) servant à transporter la feuille plate à travers l'espace entre les rouleaux (3).
PCT/EP2009/003568 2008-05-27 2009-05-19 Paire de rouleaux de gaufrage et rouleau de gaufrage pour produire par voie rotative un motif gaufré dans une feuille plate Ceased WO2009143981A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008025221.2 2008-05-27
DE200810025221 DE102008025221A1 (de) 2008-05-27 2008-05-27 Prägewalzenpaar bzw. Prägewalze zum rotativen Erzeugen eines Prägemusters in einem Flachmaterialstück

Publications (1)

Publication Number Publication Date
WO2009143981A1 true WO2009143981A1 (fr) 2009-12-03

Family

ID=40972889

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/003568 Ceased WO2009143981A1 (fr) 2008-05-27 2009-05-19 Paire de rouleaux de gaufrage et rouleau de gaufrage pour produire par voie rotative un motif gaufré dans une feuille plate

Country Status (2)

Country Link
DE (1) DE102008025221A1 (fr)
WO (1) WO2009143981A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016034904A1 (fr) * 2014-09-05 2016-03-10 Hadley Industries Overseas Holdings Ltd. Formage de matériau en feuille
GB2530497A (en) * 2014-09-23 2016-03-30 Tech Ni Fold Ltd Creasing devices

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007555A1 (fr) 2017-07-06 2019-01-10 Bobst Mex Sa Procédé de plissage de feuilles
US11541622B2 (en) 2017-07-06 2023-01-03 Bobst Mex Sa Creasing machine, creasing cylinder for the creasing machine and method for creasing sheets
DE202017104039U1 (de) 2017-07-06 2017-09-22 Bobst Mex Sa Falzplatte zum Falzen eines Bogens aus Papier, Pappe, Karton, Folie oder einem ähnlichen Material

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US1844697A (en) * 1929-02-28 1932-02-09 Orenda Corp Method of and means for forming paper sheets
US20070251364A1 (en) * 2006-03-23 2007-11-01 Winkler + Dunnebier Aktiengesellschaft Rotary die cutter - cutting
DE102007038117A1 (de) * 2006-08-03 2008-04-17 G.D S.P.A. Einheit zum Prägen für ein Band aus Verpackungsmaterial

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KR20010062998A (ko) * 1999-12-21 2001-07-09 김승무 예비괘선을 이용한 골판지상자 성형장치 및 그 방법
JP4060692B2 (ja) * 2002-11-22 2008-03-12 レンゴー株式会社 罫入れ装置

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Publication number Priority date Publication date Assignee Title
US1844697A (en) * 1929-02-28 1932-02-09 Orenda Corp Method of and means for forming paper sheets
US20070251364A1 (en) * 2006-03-23 2007-11-01 Winkler + Dunnebier Aktiengesellschaft Rotary die cutter - cutting
DE102007038117A1 (de) * 2006-08-03 2008-04-17 G.D S.P.A. Einheit zum Prägen für ein Band aus Verpackungsmaterial

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016034904A1 (fr) * 2014-09-05 2016-03-10 Hadley Industries Overseas Holdings Ltd. Formage de matériau en feuille
GB2547560A (en) * 2014-09-05 2017-08-23 Hadley Ind Overseas Holdings Ltd Sheet material forming
GB2547560B (en) * 2014-09-05 2017-12-20 Hadley Industries Overseas Holdings Ltd Sheet material forming
AU2015310684B2 (en) * 2014-09-05 2018-06-07 Hadley Industries Overseas Holdings Ltd. Sheet material forming
EP3791974A1 (fr) * 2014-09-05 2021-03-17 Hadley Industries Overseas Holdings Limited Formage de matériau en feuille
US11311923B2 (en) 2014-09-05 2022-04-26 Hadley Industries Overseas Holdings Ltd. Sheet material forming
EP4186608A3 (fr) * 2014-09-05 2023-07-26 Hadley Industries Overseas Holdings Limited Formation de matériau en feuille
US12030099B2 (en) 2014-09-05 2024-07-09 Hadley Industries Overseas Holdings Ltd. Sheet material forming
GB2530497A (en) * 2014-09-23 2016-03-30 Tech Ni Fold Ltd Creasing devices
GB2530497B (en) * 2014-09-23 2017-02-15 Tech-Ni-Fold Ltd Creasing devices
US11667100B2 (en) 2014-09-23 2023-06-06 Tech-Ni-Fold Limited Creasing devices

Also Published As

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