EP2829392B1 - Procédé de déformation d'un matériau à plat - Google Patents

Procédé de déformation d'un matériau à plat Download PDF

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Publication number
EP2829392B1
EP2829392B1 EP14178147.6A EP14178147A EP2829392B1 EP 2829392 B1 EP2829392 B1 EP 2829392B1 EP 14178147 A EP14178147 A EP 14178147A EP 2829392 B1 EP2829392 B1 EP 2829392B1
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EP
European Patent Office
Prior art keywords
die
pressing
article
stamp
reshaping
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.)
Active
Application number
EP14178147.6A
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German (de)
English (en)
Other versions
EP2829392A1 (fr
Inventor
Hans Haug
Marek Hauptmann
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.)
Pester Pac Automation GmbH
Original Assignee
Pester Pac Automation 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 Pester Pac Automation GmbH filed Critical Pester Pac Automation GmbH
Publication of EP2829392A1 publication Critical patent/EP2829392A1/fr
Application granted granted Critical
Publication of EP2829392B1 publication Critical patent/EP2829392B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
    • B65B47/06—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure using folding 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
    • 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
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/592—Shaping sheet material under pressure using punches or 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
    • 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
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/594—Modifying the shape of tubular boxes or of paper bottle necks
    • 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
    • B31F1/36—Moistening and heating webs to facilitate mechanical deformation and drying deformed webs
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/70—Construction of rigid or semi-rigid containers having corrugated or pleated walls
    • 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
    • B31B50/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or 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
    • 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
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies

Definitions

  • the invention relates to a device for forming a flat material of, in particular, natural fibers, e.g. Paper or cardboard, in a cup-shaped or cup-shaped object, wherein a so-called fold holder is provided at a small distance from the die, wherein between both the flat lying material can be clamped.
  • natural fibers e.g. Paper or cardboard
  • Such material can not be thermoformed due to the material properties in the conventional sense. If such a material is pressed into a mold, for example by a piston, uncontrolled wrinkles form in the wall region, which subsequently can no longer be smoothed.
  • the invention has for its object to provide a device with which the transformation of such a material succeeds with satisfactory result.
  • This object is achieved in that a feeding device is provided for the flat lying material to which a forming device with a punch and a die adjoins and that a calibration device is provided, in which the punch introduces the already preformed object and pressed in cooperation of punch and calibration device.
  • the fold holder causes that only as much material slips as is pressed into the die.
  • At least one pressure spring acts on the fold holder and presses the fold holder against the die and thus against the material blank.
  • the pressing device acting on the fold holder is driven hydraulically or pneumatically.
  • Both the spring load and the hydraulic / pneumatic drive can be combined and provide an optimal adjustment of the contact pressure, especially when the contact pressure is regulated or controlled.
  • a stamping device is provided in front of the forming device, which can punch out individual blanks from a material web.
  • the material can be supplied in an advantageous manner as a web and is only converted immediately before the transformation into individual cuts required.
  • Another embodiment of the invention has proved to be very advantageous, according to which a device is provided for at least one-sided moistening of the material to be formed.
  • a heating device is provided for heating the material to be reshaped.
  • the heater may be formed according to the invention as radiant heating and directly heat the material blank.
  • the stamp and / or the fold holder and / or the die are heated.
  • a further advantageous embodiment of the invention is that the plunger opposite a counter-piston is arranged, which is able to press against the underside of the material blank in its clamped state.
  • the bottom of the part to be formed is kept and no material can flow into the wall area, which could lead to significant disturbances.
  • a widening device in which the upper end of the article can be widened.
  • the device of the invention can be made flexible.
  • a further embodiment of the invention which is characterized in that a device for forming the upper edge portion of the article is provided to a sealing edge or the like.
  • the sealing edge can be flat or curved, for example, as a mouth roll, trained.
  • an ejector is provided which is able to eject the finished or partially finished object.
  • a web of paper or a similar fibrous material is referred to, which is in roll form.
  • a punching device 2 individual material blanks 3 are punched out of this material web.
  • These material blanks 3 are introduced into a forming device 4, which has a die 5, in which the material blank is formed into it.
  • a punch 6 is disposed above the die 5 which is slidably mounted against the die 5.
  • a fold holder 7 is arranged, between which and the die 5 of the material blank 3 is inserted.
  • the contact pressure of the fold holder 7 can be adjusted or regulated to the die 5 in dependence on the material used.
  • pressure springs not shown, can act on the fold holder 7.
  • an opposed piston 8 is provided, which is capable of attacking on the underside of the material blank 3 and thereby prevents slippage of material into the wall area to be reshaped.
  • a calibration device 9 is arranged, in which the material blank 3 formed in the die 5 is pressed by the punch 6.
  • the small wrinkles in the wall of the formed part resulting from forming are equalized, so that a smooth wall is formed.
  • the opposed piston 8 then serves as an ejector of the finished part of the device. 4
  • the wall of the formed part can be widened at the upper end.
  • the items to be packaged can be fixed, for example, by strapping or wrapping both inline and later.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Claims (13)

  1. Dispositif (4) dévolu à la mise en forme d'une ébauche prédécoupée (3) en un matériau aplati notamment constitué par des fibres naturelles, tel que du papier ou du carton par exemple, afin d'obtenir un objet respectivement en forme d'écuelle ou de gobelet, ledit dispositif (4) étant équipé d'un appareil de formage comprenant un poinçon (6) et une matrice, une pièce désignée par « serre-flan » (7) étant prévue à faible distance de ladite matrice (5), l'ébauche prédécoupée aplatie (3) étant enserrée entre ces deux éléments, caractérisé par le fait qu'il est prévu un appareil d'amenée affecté au matériau aplati et auquel l'appareil de formage se rattache ; et par le fait qu'il est prévu un appareil de calibrage (9) dans lequel le poinçon (6) insère l'objet déjà préformé, et le comprime par coopération entre ledit poinçon (6) et ledit appareil de calibrage (9).
  2. Dispositif selon la revendication 1, caractérisé par le fait qu'un appareil de compression, venant en prise avec le serre-flan (7), est apte à presser ledit serre-flan contre la matrice (5), de manière contrôlée, et donc contre l'ébauche prédécoupée aplatie (3).
  3. Dispositif selon la revendication 2, caractérisé par le fait qu'au moins un ressort de pression, venant en prise avec le serre-flan (7), presse ledit serre-flan (7) contre la matrice (5), et donc contre l'ébauche (3) de matériau prédécoupé ; et/ou par le fait que l'appareil de compression, venant en prise avec ledit serre-flan (7), est entraîné hydrauliquement ou pneumatiquement.
  4. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que la pression de contact du serre-flan (7) est régulée ou commandée.
  5. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu, avant l'appareil de formage, un appareil de poinçonnage (2) apte à poinçonner des ébauches prédécoupées individuelles (3) à partir d'une nappe de matériau (1).
  6. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu un appareil destiné à l'humidification au moins unilatérale du matériau (1, 3) devant être mis en forme ; et/ou par le fait qu'il est prévu un appareil de chauffage conçu pour chauffer ledit matériau (1, 3) devant être mis en forme, lequel appareil de chauffage peut être réalisé en tant que chauffage rayonnant.
  7. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que le poinçon (6) et/ou le serre-flan (7) et/ou la matrice (5) est (sont) chauffé(e)(s).
  8. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'un contre-piston (8), placé en vis-à-vis du poinçon (6), est apte à exercer une pression contre la face inférieure de l'ébauche (3) de matériau prédécoupé lorsque cette dernière est à l'état enserré.
  9. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu un appareil d'évasement, dans lequel l'extrémité supérieure de l'objet peut être évasée.
  10. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu un appareil conçu pour amener la région marginale supérieure de l'objet à la forme d'un rebord scellé, ou d'une configuration similaire.
  11. Dispositif selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu un éjecteur (8) apte à éjecter l'objet respectivement achevé, ou partiellement achevé.
  12. Dispositif selon l'une des revendications précédentes, caractérisé par le fait que des objets à emballer sont insérés dans l'objet achevé.
  13. Dispositif selon la revendication 12, caractérisé par le fait que les objets, devant être emballés, sont par exemple immobilisés par un cerclage ou par un enveloppement.
EP14178147.6A 2013-07-24 2014-07-23 Procédé de déformation d'un matériau à plat Active EP2829392B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013107931.8A DE102013107931A1 (de) 2013-07-24 2013-07-24 Vorrichtung zum Umformen eines flachliegenden Materials

Publications (2)

Publication Number Publication Date
EP2829392A1 EP2829392A1 (fr) 2015-01-28
EP2829392B1 true EP2829392B1 (fr) 2018-04-18

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EP (1) EP2829392B1 (fr)
DE (1) DE102013107931A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015105099A1 (de) 2015-04-01 2016-10-06 Technische Universität Dresden Verfahren und Vorrichtung zum dreidimensionalen Umformen von flächigem Fasermaterial
DE102015115251A1 (de) * 2015-09-10 2017-03-16 Pester Pac Automation Gmbh Verfahren zum dreidimensionalen Umformen von Material
DK3362508T3 (da) 2015-10-14 2019-07-29 Fiberlean Tech Ltd 3d-formbart plademateriale
DE102016104375A1 (de) * 2016-03-10 2017-09-14 Pester Pac Automation Gmbh Vorrichtung und Verfahren zum Betrieb der Vorrichtung
DE102016106142A1 (de) 2016-04-04 2017-10-05 Technische Universität Dresden Packmittel umfassend Fasermaterial und Verfahren zu seiner Herstellung durch Kompressionsziehen
DE102017109879A1 (de) * 2017-05-08 2018-11-08 Pester Pac Automation Gmbh Verfahren zum dreidimensionalen Umformen von flächigem Material
WO2019011448A1 (fr) 2017-07-14 2019-01-17 Multivac Sepp Haggenmüller Se & Co. Kg Procédé de fabrication d'emballages et emballeuse-emboutisseuse
DE102017123309A1 (de) 2017-10-06 2019-04-11 Technische Universität Dresden Vorrichtung zum Kompressionsziehen von flächigem Fasermaterial
ES2839574T3 (es) 2017-11-24 2021-07-05 Multivac Haggenmueller Kg Herramienta de moldeo y procedimiento para fabricar un envase
DE102018113512A1 (de) * 2018-06-06 2019-12-12 Progress Packaging Gmbh Vorrichtung und Verfahren zum Herstellen von Füllmaterial mit Presseinrichtung
CN108909042A (zh) * 2018-07-18 2018-11-30 广州市凯安消防科技有限公司 一种折叠式滤纸的加热成型方法及其成型设备
CA3195521A1 (fr) 2020-09-15 2022-03-24 Rychiger Ag Appareil pour la fabrication d'un filtre pour des capsules jetables pour la preparation de boissons
DE102022129118A1 (de) * 2022-11-03 2024-05-08 Syntegon Technology Gmbh Vorrichtung und Verfahren zum Umformen eines Verpackungselements
DE102023128974B3 (de) * 2023-10-20 2025-03-20 Syntegon Technology Gmbh Verfahren und Umformeinrichtung zum Herstellen eines Verpackungselements
EP4585410A3 (fr) * 2024-01-12 2025-07-23 Illig Maschinenbau GmbH Dispositif de fabrication d'ébauches d'emballage
WO2025210267A1 (fr) * 2024-04-04 2025-10-09 Bluethink S.P.A. Procédé de fabrication d'objets tridimensionnels (3d) par pressage et/ou thermoformage d'une bande sensiblement plane comprenant un matériau à base de cellulose, et objet 3d ainsi obtenu

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US2270185A (en) * 1940-08-15 1942-01-13 Dow Chemical Co Simultaneous manufacture of containers and closures
US2270187A (en) * 1940-10-04 1942-01-13 Dow Chemical Co Machine for drawing and trimming thermoplastic containers
EP2764991A1 (fr) * 2011-10-07 2014-08-13 Toyo Seikan Group Holdings, Ltd. Corps en papier moulé présentant un plissage minimal, et procédé de fabrication de celui-ci

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US2270185A (en) * 1940-08-15 1942-01-13 Dow Chemical Co Simultaneous manufacture of containers and closures
US2270187A (en) * 1940-10-04 1942-01-13 Dow Chemical Co Machine for drawing and trimming thermoplastic containers
EP2764991A1 (fr) * 2011-10-07 2014-08-13 Toyo Seikan Group Holdings, Ltd. Corps en papier moulé présentant un plissage minimal, et procédé de fabrication de celui-ci

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Publication number Publication date
DE102013107931A1 (de) 2015-01-29
EP2829392A1 (fr) 2015-01-28

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