EP2913169B1 - Dispositif d'estampage et procédé destiné à estamper du carton ondulé - Google Patents

Dispositif d'estampage et procédé destiné à estamper du carton ondulé Download PDF

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Publication number
EP2913169B1
EP2913169B1 EP15155924.2A EP15155924A EP2913169B1 EP 2913169 B1 EP2913169 B1 EP 2913169B1 EP 15155924 A EP15155924 A EP 15155924A EP 2913169 B1 EP2913169 B1 EP 2913169B1
Authority
EP
European Patent Office
Prior art keywords
punching
holding
sheet
line
down surface
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.)
Not-in-force
Application number
EP15155924.2A
Other languages
German (de)
English (en)
Other versions
EP2913169A1 (fr
Inventor
Ingo Graham
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.)
Karl Marbach GmbH and Co KG
Original Assignee
Karl Marbach GmbH and Co KG
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 Karl Marbach GmbH and Co KG filed Critical Karl Marbach GmbH and Co KG
Priority to PL15155924T priority Critical patent/PL2913169T3/pl
Publication of EP2913169A1 publication Critical patent/EP2913169A1/fr
Application granted granted Critical
Publication of EP2913169B1 publication Critical patent/EP2913169B1/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
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • 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
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • 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
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4427—Cutters therefor; Dies therefor combining cutting and forming operations

Definitions

  • the invention relates to a punching device and a method for punching a sheet of corrugated cardboard according to the preamble of patent claims 1 and 10, respectively.
  • punching devices which have a carrier plate in which at least one punching line is fixed so that it protrudes perpendicular to the support plate and has a punched edge at its projecting free end.
  • a sheet of corrugated cardboard is placed on a counter-plate and then moves the punching device in the direction of the counter-plate until the punching line impinges on the sheet and punched in a further movement of the sheet until it impinges on the counter-plate. Due to the material of the corrugated cardboard arise in this known method along the cutting edge punching and punching dust, which adversely affect the visual appearance of the sheet along the cutting edge.
  • the requirements for corrugated packaging have increased. It is required a visually perfect cut of the punched edges.
  • a punching and scoring device in which a punching line and a score line are fixed adjacent to each other in a receiving slot of a carrier plate.
  • the DE 20 2013 100 883 U1 describes a dressing sheet for a steel strip punching tool, which allows easy dressing taking into account the deflection of the punching crucible.
  • a carrier plate punching lines and creasing lines are juxtaposed at a distance.
  • the upper tool has a frame surrounded by a knife. When the tool is closed, the blades cut out the insulating material element. The frame is heated. The tool remains closed for a predetermined time until the material has melted through the frame. Then the tool is opened and removed the insulation element.
  • a punching tool which comprises a carrier plate, stamped lines received in the carrier plate and elastic bodies attached to the punching lines.
  • the elastic bodies consist of an elastic body and a cushion pad which strongly compresses the sheet near the punching lines during the punching operation.
  • the invention is therefore based on the object to provide a punching device and a method for punching corrugated cardboard can be formed by the optically perfect cut edges in a sheet of corrugated cardboard.
  • the object of the invention is also achieved by a method having the features of claim 10, which is advantageously developed in claim 11.
  • a punching in a sheet of corrugated cardboard is performed by a punching line with the punching device according to the invention, the sheet is compressed immediately adjacent to the punching line by the hold-down surface.
  • the compression preferably takes place adjacent to the longitudinal side of the punching line which faces the part of the sheet used in folding / gluing machines, Aufstellmaschinen and / or filling machines is processed into a package.
  • By compressing the sheet material not only an exactly punched cutting edge is created, which serves as a contact edge in the machines. It also significantly reduces the proportion of punching hair and punching dust.
  • the retaining points are supported by the hold-down in their strength. There is also the option to loop in breakpoints afterwards. Finally, a line change can be performed without damaging the die.
  • It can be arranged a hold-down surface adjacent to both longitudinal sides or only one longitudinal side of the punching line.
  • the hold-down surface is formed on an existing from the non-elastic material hold-down, which is arranged adjacent to the corresponding longitudinal side of the punching line
  • the hold-down surface can also form part of the punching line itself.
  • FIG. 1 shows a punching device for punching corrugated cardboard, explained in more detail.
  • the punching device 10 has a support plate 12 and a spaced therefrom arranged counter-plate 13 which can be moved relative to each other, ie the support plate 12 is moved in the direction of the counter-plate 13, the counter-plate 13 is moved in the direction of the support plate 12 or support plate 12 and counter plate 13 are both moved to each other. These movements are indicated by the double arrow.
  • a punching line 18 is attached in the form of a thin plate having one end in a recess 14.
  • the punching line 18 has a stamped edge 22 at its end opposite to the carrier plate 12.
  • Adjacent to the longitudinal side of the punching line 18, a hold-down 16 is also accommodated in the form of a thin plate at its attachment end 17 in the recess 14.
  • the hold-down 16 has at its the support plate 12 opposite end a hold-down surface 20 which extends parallel to the underside of the support plate 12, the counter-plate 13 and the punching edge 22, wherein the distance of the hold-down surface 20 to the support plate 12 is less than the distance of the punching edge 22nd to this.
  • the hold-down surface 20 may vary at an angle to the counter-punching plate 13 and in the surface contour. As an example, corrugated, notched, corrugated or other profiles of the hold-down surface 20 can be used.
  • Hold-down surface 20 and punching line can also form a part.
  • the hold-down 16 is made of non-elastic material, that is, that the material of the hold-16 is not visibly deformed during compression.
  • the hold-down 16 is made of steel. But it can also be made of aluminum, an aluminum alloy or hard plastic, for example.
  • Non-elastic means that the hold-down 16 has a modulus of elasticity of at least 0.20 kN / mm 2 in rigidity. There is no limit to the maximum modulus of elasticity.
  • a sheet 30 is to be punched from corrugated cardboard, this is placed on top of the counter-plate 13. Subsequently, the support plate 12 is moved in the direction of the counter-plate 13 until the punching edge 22 of the punching line 18 impinges on the sheet 30 and punched through this until the punching edge 22 impinges on the top of the counter-plate 13.
  • the distance d between the cutting edge 22 and the hold-down surface 20 is selected to be less than the thickness of the sheet 30, so that the sheet 30 is compressed immediately adjacent to the punching line 18 by the hold-down surface 20 to the thickness d.
  • the support plate 12 is moved back upwardly away from the counter-plate 13 and the punched sheet 30 is conveyed.
  • the distance d between the punching plate 22 and the hold-down surface 20 is determined depending on the thickness e and the quality of the individual paper layers and types of the corrugated cardboard sheet 30.
  • the width of the hold-down surface 20, which in this case corresponds to the thickness a of the hold-down, is preferably 0.50 mm to 3 mm.
  • the hold-down surface 20 can be material-dependent exceptions in width to 10 mm.
  • the distance d is preferably 0.4 mm to 0.6 mm.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)

Claims (11)

  1. Dispositif d'estampage destiné à estamper une feuille (30) de carton ondulé (32) avec une épaisseur prédéfinie, comportant une plaque support (12), au sein de laquelle au moins une ligne d'estampage (18) est fixée de telle manière qu'elle fait saillie perpendiculairement à la plaque support (12) et présente une arrête d'estampage (22) au niveau de son extrémité libre saillante, dans lequel une surface presse-feuille (20) parallèle à l'arrête d'estampage (22), est agencée adjacente à au moins un côté longitudinal de la ligne d'estampage (18), dans lequel la distance de la surface presse-feuille (20) par rapport à la plaque support (12) est plus faible que la distance de l'arrête d'estampage (22) par rapport à la plaque support (12),
    caractérisé en ce que
    - la distance entre arrête d'estampage (22) et surface presse-feuille (20) est comprise entre 0,40 mm et 2,00 mm en fonction de l'épaisseur comprimée de la feuille (30) à estamper, et
    - la surface presse-feuille (20) est constituée d'un matériau dur non élastique.
  2. Dispositif d'estampage selon la revendication 1, caractérisé en ce que la surface presse-feuille (20) est agencée adjacente à un côté longitudinal ou aux deux côtés longitudinaux de la ligne d'estampage (18).
  3. Dispositif d'estampage selon la revendication 1 ou 2, caractérisé en ce que la surface presse-feuille (20) est constituée sur un abaisseur réalisé dans le matériau non élastique et est agencé adjacent au côté longitudinal correspondant de la ligne d'estampage (18).
  4. Dispositif d'estampage selon la revendication 1 ou 2, caractérisé en ce que la surface presse-feuille forme une partie de la ligne d'estampage.
  5. Dispositif d'estampage selon l'une quelconque des revendications précédentes, caractérisé en ce que le matériau dur non élastique présente un module d'élasticité d'au moins 0,20 kN/mm2.
  6. Dispositif d'estampage selon la revendication 5, caractérisé en ce que le matériau dur est de l'acier, de l'aluminium, un alliage d'aluminium, ou du plastique dur.
  7. Dispositif d'estampage selon l'une quelconque des revendications précédentes, caractérisé en ce que la largeur (a) de la surface presse-feuille (20) est comprise entre 0,50 mm et 10,00 mm, de manière préférée comprise entre 1,00 mm et 2,00 mm.
  8. Dispositif d'estampage selon l'une quelconque des revendications 4 à 7, caractérisé en ce que l'abaisseur (16) est en forme de plaque, dans lequel la surface presse-feuille (20) forme une surface latérale de l'abaisseur (16), et l'abaisseur (16) présente sur le côté opposé à la surface presse-feuille (20) une extrémité de fixation (17) au niveau de laquelle il est fixé adjacent à la ligne d'estampage (18) dans un évidement (14) de la plaque support (12).
  9. Dispositif d'estampage selon la revendication 8, caractérisé en ce que la ligne d'estampage (18) et l'abaisseur (16) sont fixés dans un évidement commun (14) de la plaque support (12).
  10. Procédé d'estampage d'une feuille (30) de carton ondulé, dans lequel la distance d'une ligne d'estampage (18) par rapport à la feuille (30) est réduite jusqu'à ce que la ligne d'estampage (18) estampe la feuille avec son arrête d'estampage (22) et butte sur une contre-plaque (13), dans lequel la feuille (30) est comprimée contre la contre-plaque (13) juste à côté de la ligne d'estampage (18) pendant l'estampage,
    caractérisé en ce que
    la compression est mise en oeuvre de sorte que l'épaisseur de la feuille (30) dans la région de la compression est réduite à concurrence de 5% à 10% de l'épaisseur initiale.
  11. Procédé selon la revendication 10, caractérisé en ce que la compression est mise en oeuvre le long de la totalité de la longueur de la ligne d'estampage (18).
EP15155924.2A 2014-02-27 2015-02-20 Dispositif d'estampage et procédé destiné à estamper du carton ondulé Not-in-force EP2913169B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15155924T PL2913169T3 (pl) 2014-02-27 2015-02-20 Urządzenie do wykrawania i sposób wykrawania tektury falistej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014102552.0A DE102014102552B4 (de) 2014-02-27 2014-02-27 Stanzvorrichtung und Verfahren zum Stanzen von Wellpappe

Publications (2)

Publication Number Publication Date
EP2913169A1 EP2913169A1 (fr) 2015-09-02
EP2913169B1 true EP2913169B1 (fr) 2017-11-01

Family

ID=52544349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15155924.2A Not-in-force EP2913169B1 (fr) 2014-02-27 2015-02-20 Dispositif d'estampage et procédé destiné à estamper du carton ondulé

Country Status (3)

Country Link
EP (1) EP2913169B1 (fr)
DE (1) DE102014102552B4 (fr)
PL (1) PL2913169T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274529A (zh) * 2018-01-25 2018-07-13 江西景旺精密电路有限公司 一种半固化片裁切冲孔一体化装置及加工工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000288997A (ja) * 1999-03-31 2000-10-17 Nippon Daisuchiiru Kk 段ボールシートの押し潰し用複合弾性体およびシート打抜き型

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB608848A (en) * 1944-07-26 1948-09-22 T & T Vicars Ltd Improvements in cutting and embossing machinery for plastic sheet material
DE29822177U1 (de) * 1998-12-11 1999-02-18 Karl Marbach GmbH & Co., 74080 Heilbronn Stanz-Rillvorrichtung
DE102005000786A1 (de) * 2005-01-05 2006-07-13 Rehau Ag + Co. Stanzwerkzeug zur Herstellung von Durchbrüchen in Werkstücken aus thermoplastischem Material, Stanzstempel hierfür sowie Verfahren zum Herstellen derartiger Durchbrüche
GB2502387B (en) * 2012-11-23 2014-08-06 Automotive Insulations Ltd Method and apparatus for providing insulation component, and insulation component formed by the method
DE202013100883U1 (de) * 2013-03-01 2013-03-13 Karl Marbach Gmbh & Co. Kg Zurichtebogen für ein Bandstahl-Stanzwerkzeug

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000288997A (ja) * 1999-03-31 2000-10-17 Nippon Daisuchiiru Kk 段ボールシートの押し潰し用複合弾性体およびシート打抜き型

Also Published As

Publication number Publication date
DE102014102552A1 (de) 2015-08-27
DE102014102552B4 (de) 2015-10-22
PL2913169T3 (pl) 2018-03-30
EP2913169A1 (fr) 2015-09-02

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