EP3551404A1 - Dispositif et procédé pour revêtir une pièce - Google Patents

Dispositif et procédé pour revêtir une pièce

Info

Publication number
EP3551404A1
EP3551404A1 EP17828664.7A EP17828664A EP3551404A1 EP 3551404 A1 EP3551404 A1 EP 3551404A1 EP 17828664 A EP17828664 A EP 17828664A EP 3551404 A1 EP3551404 A1 EP 3551404A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
coating material
adhesive layer
energy
activatable adhesive
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Withdrawn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
EP17828664.7A
Other languages
German (de)
English (en)
Inventor
David Frick
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.)
Homag GmbH
Original Assignee
Homag 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 Homag GmbH filed Critical Homag GmbH
Publication of EP3551404A1 publication Critical patent/EP3551404A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge

Definitions

  • the invention relates to a device for coating a workpiece, which is preferably at least partially made of wood, wood materials, plastic or the like, according to the preamble of claim 1, and further a method for coating a workpiece.
  • Coating material provided, for example, an edge.
  • a pre-coated edge with hot melt can be heated by means of an energy source, so as to bring the hot melt adhesive to the desired AufSchmelztemperatur for bonding.
  • Coating device of the type mentioned in which an adhesive provided on the coating material or the workpiece is heated or activated using a laser.
  • DE 10 2014 213 526 AI discloses a coating device of the type mentioned, in which a on the coating material or the
  • Microwave source is heated or activated.
  • the activatable layer e.g., precoated Hot melt adhesive
  • the activatable layer can be specifically heated or activated.
  • a method of coating a workpiece according to claim 10 is achieved.
  • Particularly preferred embodiments of the invention are specified in the dependent claims.
  • the invention is based on the idea that at
  • the activation unit is arranged and arranged to activate the activatable adhesive layer in a state in which the
  • the activation process eg energy input
  • the activation process can also be done by the
  • the required energy no longer depends on the ambient conditions, the length of the open time, etc.
  • Device of the invention also very short edge lengths are processed, while in the prior art, the minimum edge length was predetermined by the distance between the activation unit and pressing device.
  • the installation space can be optimally utilized in the device according to the invention, in particular since there is no in the so-called joint gap between the workpiece and the coating material
  • Activation unit must be provided more. This also results in an increased flexibility of the construction.
  • the activation unit is provided on a side facing away from the conveyor side of the pressing device.
  • the activation unit has a power source with at least one power generation section, which is preferably selected from the group consisting of Laser generating section, infrared generating section,
  • Microwave generation section plasma generation section, Beflammungsabêt and Begasungsabexcellent.
  • the pressing device at least one
  • Shield energy source energy As a result, the reliability of the device according to the invention is further increased. At the same time, however, the flexibility of the operation of the device is increased, for example because the activation unit can move freely in space, in particular with suitable shielding means, for example in so-called stationary machines, in which the workpiece during the coating process in
  • Shielding device is provided at least partially in the region of an output opening of the activation unit, since at this point a particularly effective and efficient
  • Shielding configured as an energy trap, in particular as a so-called ⁇ / 4 trap. This can be achieved with little design effort and high efficiency of the desired shielding effect.
  • the shielding device is set up to
  • the inventive device can in principle with any coating materials and activatable
  • Adhesive layers are used.
  • the adhesive layer which can be activated can be or are provided, for example, on the surface of the workpiece to be coated.
  • an activatable adhesive layer can also be supplied separately.
  • Feeding a coating material is arranged, which contains the activatable adhesive layer. This results in not only a particularly simple construction and low-noise operation of the device according to the invention, but it can also be a particularly appealing
  • the activatable adhesive layer may be provided, for example, by way of coextrusion, but also by way of coating on the coating material, wherein the Coating can be done both in advance, but possibly also within the device according to the invention.
  • Fig. 1 shows schematically a perspective view of a first embodiment of the device according to the invention
  • Fig. 2 shows schematically a plan view of another
  • Fig. 3 shows schematically a plan view of another
  • FIG. 4 shows schematically a side detail view from FIG. 3.
  • FIG. 1 An apparatus 1 for coating a workpiece 2 is shown schematically in FIG. 1 in a perspective view.
  • the device 1 is used to coat workpieces 2, e.g. completely or partially made of wood,
  • Wood materials, plastic or the like exist.
  • the apparatus 1 comprises first a feeding device 10 for feeding a coating material 12, wherein the
  • Feeding device 10 may also include a supply of coating material 12 not shown in detail.
  • Coating material may be, for example
  • edge bands act, which may consist of a variety of materials such as plastic, veneer, aluminum, etc. However, it may also be a rather sheet-like material, not necessarily for a narrow surface, but possibly also for a
  • activatable adhesive layer 14 provided, which may be coextruded, for example, with the coating material 12 or may have been applied to this in the wake of the preparation of the coating material 12. In principle, it may also be an integral layer of the coating material 12 which, in any case, can not be seen as a separate layer 14 with the naked eye and may possibly be in one piece and structurally identical to the one
  • Coating material 12 is configured. However, as already mentioned above, it is also possible to use the energy activatable adhesive layer 14 alternatively or
  • the device 1 comprises a pressing device 20 for pressing the coating material 12 against a surface 2a of the workpiece 2 to be coated
  • Pressing device 20 is configured in the present embodiment as a pressure roller, which of course also several pressure rollers can be provided and also
  • the device 1 has a
  • Conveyor 4 for causing a relative movement between the pressing device 20 and the workpiece 2.
  • the conveyor 4 is designed as a continuous conveyor, for example as a conveyor belt, conveyor chain or the like.
  • the present invention is not limited to such conveyors. Rather, in the inventive
  • the conveyor also serve to move the pressing device 20 and possibly other components, while the workpiece 2 during the
  • Coating process is kept stationary.
  • mixed forms of both concepts are possible in which, if appropriate, at least temporarily workpiece and
  • an activation unit 30 is provided. In the
  • the activation unit is configured as an energy application section 30 for applying energy to the energy-activatable adhesive layer 14.
  • the energy application section 30 serves to activate the activatable adhesive layer 14 by introducing energy in such a way that the activatable adhesive layer 14 is used to join the
  • Coating material 12 and the workpiece 2 can be used.
  • the energy application section 30 is on the side facing away from the workpiece 2 of the
  • Coating material 12 is arranged.
  • Adhesive layer 14 is applied.
  • the energy application section 30 is connected to a power source 34 having a power generation section that may be based on a variety of power generation technologies.
  • the power generation section is preferably selected from the group consisting of
  • Laser generating section Infrared generating section
  • Microwave generation section plasma generation section, Beflammungsabêt and Begasungsabrough.
  • the embodiment of the device 1 according to the invention shown in FIG. 1 comprises a shielding device 40, which serves to cover at least part of the of the
  • the shielding device 40 in the present embodiment a discharge opening 32, in which the workpiece 2 to be coated partially
  • the shielding device 40 advantageously has an energy trap 42, which may be designed differently depending on the technology of the energy source.
  • a possible embodiment of the energy trap 42 is shown schematically in FIG. 4 in a side view. Thereafter, the energy trap 42 may be configured, for example, as a ⁇ / 4 trap having a plurality of ribs 44. This type of energy trap is particularly well suited for a microwave energy source, the geometry and arrangement of the ribs then being advantageous to the operating parameters of the
  • Microwave energy source can be tuned.
  • the operation of the device 1 shown schematically in FIG. 1 takes place, for example, as follows.
  • the coating material 12 is supplied with the activatable adhesive layer 14 by means of the feeder 10 and brought into abutment with the surface 2a of the workpiece 2 to be coated.
  • the activatable adhesive layer 14 sandwiched between the coating material 12 and the workpiece 2 is formed by means of the
  • FIG. 2 A second preferred embodiment of the device 1 according to the invention is shown schematically in FIG. 2 in a plan view.
  • the device 1 according to the invention is shown schematically in FIG. 2 in a plan view.
  • Pressing device 20 is provided. This entangled or partially overlapping arrangement of pressing device 20 and energy application section 30 is shown in more detail in FIG. In this case, at least those pressing means of the pressing device 20, which overlap with the
  • Energyaufbringabites 30 are located, at least partially permeable to the output from the energy application section 30 energy.
  • FIGS. 2 and 3 otherwise corresponds in principle to the structure shown schematically in FIG. 1, wherein the same or corresponding

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un dispositif (1) pour revêtir une pièce (2), laquelle est constituée de préférence au moins en partie de bois, de matériaux dérivés du bois, de matière plastique ou similaire. Le dispositif comprend une unité d'activation (30) destinée à activer une couche adhésive (14) pouvant être activée, qui sert à joindre le matériau de revêtement (12) et la pièce (2). L'unité d'activation (30) est agencée et conçue pour activer la couche adhésive (14) pouvant être activée dans un état dans lequel le matériau de revêtement (12) et la pièce (2), dans la zone sollicitée au moyen de l'unité d'activation, s'appliquent l'un contre l'autre déjà au moins en partie au moyen de la couche adhésive (14) pouvant être activée.
EP17828664.7A 2016-12-06 2017-12-05 Dispositif et procédé pour revêtir une pièce Withdrawn EP3551404A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016224217.2A DE102016224217A1 (de) 2016-12-06 2016-12-06 Vorrichtung und Verfahren zum Beschichten eines Werkstücks
PCT/EP2017/081503 WO2018104294A1 (fr) 2016-12-06 2017-12-05 Dispositif et procédé pour revêtir une pièce

Publications (1)

Publication Number Publication Date
EP3551404A1 true EP3551404A1 (fr) 2019-10-16

Family

ID=60954993

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17828664.7A Withdrawn EP3551404A1 (fr) 2016-12-06 2017-12-05 Dispositif et procédé pour revêtir une pièce

Country Status (3)

Country Link
EP (1) EP3551404A1 (fr)
DE (1) DE102016224217A1 (fr)
WO (1) WO2018104294A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI129331B (fi) 2017-03-07 2021-12-15 Lemtapes Oy Menetelmä ja laite liima-aineen aktivoimiseksi
DE102018127617A1 (de) * 2018-11-06 2020-05-07 Homag Gmbh Verfahren und Vorrichtung zum Beschichten eines Werkstücks
DE102022110163A1 (de) 2022-04-27 2023-11-02 Homag Gmbh Vorrichtung zum Beschichten eines Werkstücks
DE102023121474A1 (de) * 2023-08-10 2025-02-13 Christof Schulte-Göbel Umluftdüse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344997A1 (de) * 1993-12-30 1995-07-06 Stefan Borowetzke Rahmenhalterung für Kantenbearbeitungswerkzeuge
US6180172B1 (en) * 1994-11-29 2001-01-30 Henkel Kommanditgesellschaft Auf Aktien Process and apparatus for treating surfaces
ES2380041T3 (es) 2005-11-23 2012-05-08 Homag Holzbearbeitungssysteme Ag Procedimiento para el recubrimiento de componentes
EP2433769B1 (fr) * 2010-09-27 2013-04-03 HOMAG Holzbearbeitungssysteme AG Dispositif et procédé de revêtement de pièce à usiner
PL400042A1 (pl) * 2012-07-19 2014-01-20 Fabryka Mebli Biurowych Mdd Spólka Z Ograniczona Odpowiedzialnoscia Sposób oklejania krawedzi plyty meblowej
DE102014213526A1 (de) 2014-07-11 2016-01-14 Homag Holzbearbeitungssysteme Gmbh Vorrichtung zur Erwärmung einer Funktionsschicht

Also Published As

Publication number Publication date
DE102016224217A1 (de) 2018-06-07
WO2018104294A1 (fr) 2018-06-14

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