EP2305564A2 - Procédé d'application d'un couvercle frontal et machine d'emballage de rouleaux - Google Patents

Procédé d'application d'un couvercle frontal et machine d'emballage de rouleaux Download PDF

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Publication number
EP2305564A2
EP2305564A2 EP10175898A EP10175898A EP2305564A2 EP 2305564 A2 EP2305564 A2 EP 2305564A2 EP 10175898 A EP10175898 A EP 10175898A EP 10175898 A EP10175898 A EP 10175898A EP 2305564 A2 EP2305564 A2 EP 2305564A2
Authority
EP
European Patent Office
Prior art keywords
cover layer
corrugated cardboard
corrugated
roll
layer
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.)
Withdrawn
Application number
EP10175898A
Other languages
German (de)
English (en)
Inventor
Josef Nelles
Michael Holtwick
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2305564A2 publication Critical patent/EP2305564A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B65B25/146—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging rolled-up articles
    • B65B25/148—Jumbo paper rolls
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages

Definitions

  • the invention relates to a method for attaching a front cover made of corrugated cardboard on end faces of a web roll. Furthermore, the invention relates to a roll packaging machine for the application of such a method.
  • end covers In the paper industry, end faces of the paper or board web rolls are protected by so-called end covers. These end covers are usually made of corrugated cardboard, ie at least one corrugated paper web, which is provided with at least one cover layer. Corrugated board has the advantage that it is relatively inexpensive to produce, has only a small mass and yet is sufficiently resistant.
  • the two end faces of the material web roll are first covered with an inner end cover. Subsequently, the web roll is wrapped with wrapping paper, wherein the ends of the wrapping paper are folded at the end faces. Subsequently, the end faces are glued to an outer end cover, which fixes the fold.
  • the attachment of the end cover is largely automatic, the end covers are moved by means of suction gripping arms. The end covers are stored in stacks of approx. 200 to 300 lids.
  • end covers In order for the end covers can be reasonably mounted on the end faces, it is necessary that the end covers are relatively stiff. A flexurally soft corrugated board is accordingly unfavorable for the production of end caps.
  • the end covers are therefore made of corrugated cardboard with at least two cover layers. This will be the front cover tailored at the corrugated cardboard manufacturer and combined into stacks.
  • the invention is based on the object at least partially to integrate the end cap production in the value creation process of the paper producer.
  • corrugated board can be obtained at a lower cost and on the other hand, stockpiling is simplified. From a supply roll so may also front cover different sizes are made so that they can be easily adapted to different web roll diameter.
  • the provision of corrugated cardboard as a roll product also has the advantage that it can be relatively easily transported and stored.
  • the corrugated cardboard preferably has a continuous first cover layer, at least one intermediate layer and at least one flaky second cover layer on the supply roll.
  • a corrugated cardboard with a continuous first cover layer, with a corrugated intermediate layer is also referred to as single-sided corrugated board.
  • a single-faced corrugated board is relatively flexible and can be used well as a roll product.
  • the corrugated board is correspondingly rigid in this direction, while it can be easily rolled up in the other direction.
  • end covers it is usually sufficient that the end covers are rigid in one direction. The stiffening of the corrugated board takes place, so to speak, by the flat spreading of the corrugated cardboard after removal from the supply roll.
  • the individual scales of the scale-shaped cover layer have similar or different shapes, which can positively and / or non-positively connect with each other.
  • the scales have simple rectangular shapes, the edges of which can come into operative connection shock-to-joint and so can set effective bending limits in one direction.
  • the individual scales have puzzle-like shapes.
  • adjacent scales may have the same or different shapes. In such puzzle-like scales parts of the one scale can engage in areas of the adjacent scale. Here can then form a positive and non-positive connection arise, which can be solved, for example, after overcoming a defined force range again.
  • adjacent scales of the second cover layer are joined together during stiffening. This achieves a simple way that the corrugated cardboard is rigid in both directions.
  • the adjacent scales are glued together, sewn or embossed.
  • embossing which is also referred to as crimping, has the advantage that no foreign substances are introduced into the corrugated board. Since the scales are usually made of paper, no longer needed end faces and cut remnants can be easily recycled. For this purpose, the end faces and cut remnants that are no longer required can also be returned directly to the pulp of a paper machine.
  • the corrugated cardboard on the supply roll only on a first cover layer and at least one corrugated intermediate layer, wherein the corrugated cardboard is provided during stiffening with at least a second cover layer.
  • a corrugated board with only one cover layer and one or two intermediate layers is relatively flexible and can be easily stored as a roll. By attaching the second cover layer after removing the corrugated cardboard from the supply roll, the corrugated cardboard is rigid in both directions and can be further processed so well to end covers.
  • the second cover layer is supplied from a supply roll.
  • the second cover layer which is usually off Paper or cardboard is formed, so is also available as a roll. If the first cover layer has two corrugated intermediate layers, two further cover layers are correspondingly supplied.
  • the storage of the second cover layers as a supply roll is relatively space-saving and allows easy feeding.
  • the second cover layer is glued, sewn or embossed with the intermediate layer and / or the first cover layer.
  • the intermediate layer can be coated, for example, with a starch glue, wherein the second cover layer is guided by means of a roller to the intermediate layer.
  • embossing which is also called crimping
  • the second cover layer is connected to the intermediate layer and / or the first cover layer by means of embossing rollers or embossing wheels.
  • the end covers are cut out of the corrugated cardboard with a laser, wherein preferably the second cover layer or the adjacent flakes are also hot-bonded with the laser.
  • a laser that is used to cut the front cover, so also a hot bonding of the second cover layer takes place with the liner. If necessary, only one focal length of the laser has to be adapted. The stiffening of the corrugated board and the production of the end cover can then be done in a single processing station and is therefore fast and inexpensive.
  • a roll packaging machine of the type mentioned above in that it has an unwinding device and a stiffening device, wherein in the unwinding corrugated cardboard is removable from a supply roll and the withdrawn corrugated cardboard is stiffened in the stiffening device.
  • the corrugated board can therefore be stored as a roll on a supply roll.
  • the stiffening of the corrugated board takes place only in the stiffening device of the roll packaging machine, ie only when a stiff corrugated cardboard is required.
  • the soft, corrugated cardboard that was previously soft can easily be stored.
  • the roll packaging machine has a cutting device.
  • the corrugated cardboard has a continuous first cover layer, at least one corrugated intermediate layer and at least one scale-like cover layer. Adjacent scales of the scale-shaped cover layer can then be connected to one another in the stiffening device. The stiffening of the corrugated board is then possible without great effort in the roll packaging machine.
  • the roll packaging machine has at least one feed device for a cover layer, which can be connected to the corrugated cardboard in the stiffening device. This is another easy way to stiffen a corrugated board in which a two-sided corrugated board is produced from a single-sided corrugated board.
  • a corrugated cardboard 1 is shown, which is withdrawn as a roll from a supply roll 2 and just after spreading the supply roll 2 is spread.
  • the corrugated cardboard 1 has a first cover layer 3, with which a corrugated intermediate layer 4 is glued.
  • the splices are shown as dots.
  • the intermediate layer 4 is connected to a scale-shaped second cover layer 5, wherein the intermediate layer 4 and the cover layer 5 are glued together in this example.
  • the second cover layer 5 in this case has a plurality of scales 6, wherein each wave crest of the intermediate layer 4 is associated with a scale 6.
  • Adjacent scales 6 overlap each other like a roof tile, wherein a deflection of the corrugated cardboard 1 about the first cover layer 3 is possible and is prevented in the opposite direction by the scales 6 by one end of the scales against the junction of the adjacent scale with the intermediate layer 4 abuts.
  • a corrugated cardboard 1 is shown, which is rigid in one direction.
  • a second embodiment of the corrugated cardboard 1 is shown, in the same elements with the same reference numerals as in Fig. 1 are provided.
  • the corrugated cardboard 1 is mounted as a single-sided corrugated cardboard on the supply roll 2 and is deducted from this.
  • an intermediate layer 4 is arranged only on one side of the first cover layer 3. It is also conceivable to provide the first cover layer 3 on both sides, each with an intermediate layer 4.
  • a second continuous cover layer 7 is applied to the intermediate layer 4, which is withdrawn from a supply roll 8.
  • the second cover layer 7 is bonded in the region of the peaks of the intermediate layer 4 with the intermediate layer 4.
  • the second cover layer 7 can also be sewn or embossed with the intermediate layer 4.
  • a corrugated cardboard 1 is shown, which is essentially the corrugated cardboard 1 of the Fig. 1 equivalent.
  • adjacent scales 6 of the scale-shaped second cover layer 5 have been sewn together after the corrugated cardboard 1 has been removed from the supply roll 2. This is especially in the detail view of Fig. 4 to recognize.
  • Fig. 5 is a possible sewing pattern for connecting adjacent scales 5 shown.
  • the second cover layer is advantageously used a material web of testliner or kraftliner, which is coated for example PE.
  • a material web of testliner or kraftliner which is coated for example PE.
  • two corrugated intermediate layers which are initially arranged on a central position designed as a first cover layer and are wound on a supply roll. Each liner is then provided after removal from the supply roll with another cover layer, so that a very stiff corrugated board is obtained.
  • the corrugated board with the cover layers and the intermediate layers is usually made of paper or cardboard. But other material pairings are conceivable.
  • a roll packaging machine 9 is shown schematically and partially in a plan view, which has an unwinding device 10 with two supply rolls 2 and 8, wherein from the supply roll 2 corrugated cardboard 1 and if necessary from the supply roll 8, an additional cover layer 7 is unrolled.
  • the corrugated cardboard 1 and, if required, the additional cover layer 7 can be guided between two deflection rollers 17 parallel to a conveying device 16 on which material web rolls 15 can be transported discretely or continuously in the x direction by the roll packaging machine 9.
  • a stiffening device 11 and a packing press 13 are arranged in the area between the two guide rollers 17.
  • the packing press 13 has in the case shown a cutting device 12 which is movable in the dashed line area.
  • the cutting device 12 is suitable for cutting end covers from the previously stiffened corrugated cardboard, which are then pressed against the end faces of the material web roll 15 to be packed by means of the illustrated, also movable in the y-direction, and rotatable pressure rollers 14 in a kind of rolling process. Due to the rolling movement of the Andruckvorgangs while the air between the inside of the freshly generated front cover and the corresponding end face of the web roll 15 is pressed reliably.
  • the cutting device 12 can also be part of the stiffening device 11 and the end covers can thus be produced during the stiffening. It should also be understood that the devices (2, 8, 10, 11, 12, 13, 17) shown on the upper image area are normally provided on both sides of the path of the web rolls 15 to be packaged, which is defined by the conveyor 16, and here for simplicity half have been omitted.
  • the resulting after the production of the end cover of the corrugated cardboard 1 waste can practically be re-fed to the pulp of a paper or board machine, not shown.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Laminated Bodies (AREA)
EP10175898A 2009-09-30 2010-09-09 Procédé d'application d'un couvercle frontal et machine d'emballage de rouleaux Withdrawn EP2305564A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910045155 DE102009045155A1 (de) 2009-09-30 2009-09-30 Verfahren zum Anbringen eines Stirndeckels und Rollenpackmaschine

Publications (1)

Publication Number Publication Date
EP2305564A2 true EP2305564A2 (fr) 2011-04-06

Family

ID=43365248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10175898A Withdrawn EP2305564A2 (fr) 2009-09-30 2010-09-09 Procédé d'application d'un couvercle frontal et machine d'emballage de rouleaux

Country Status (2)

Country Link
EP (1) EP2305564A2 (fr)
DE (1) DE102009045155A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016066293A1 (fr) * 2014-10-27 2016-05-06 Thimm Verpackung Gmbh + Co. Kg Emballage de vente et son procédé de fabrication
CN120588568A (zh) * 2025-08-07 2025-09-05 福建榕升纸业有限公司 一种纸箱抗压纸芯加工用瓦楞机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108437569B (zh) * 2018-05-10 2020-06-09 福建泉州群发包装纸品有限公司 可自动叠放成品的瓦楞机

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016066293A1 (fr) * 2014-10-27 2016-05-06 Thimm Verpackung Gmbh + Co. Kg Emballage de vente et son procédé de fabrication
CN120588568A (zh) * 2025-08-07 2025-09-05 福建榕升纸业有限公司 一种纸箱抗压纸芯加工用瓦楞机

Also Published As

Publication number Publication date
DE102009045155A1 (de) 2011-04-07

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