EP3741528B1 - Dispositif de revêtement d'une surface et méthode de revêtement d'une surface - Google Patents

Dispositif de revêtement d'une surface et méthode de revêtement d'une surface Download PDF

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Publication number
EP3741528B1
EP3741528B1 EP20170640.5A EP20170640A EP3741528B1 EP 3741528 B1 EP3741528 B1 EP 3741528B1 EP 20170640 A EP20170640 A EP 20170640A EP 3741528 B1 EP3741528 B1 EP 3741528B1
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EP
European Patent Office
Prior art keywords
adhesive strip
workpiece surface
workpiece
pressure roller
cover material
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EP20170640.5A
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German (de)
English (en)
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EP3741528A1 (fr
Inventor
Johann Felder
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Felder KG
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Felder KG
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Publication of EP3741528A1 publication Critical patent/EP3741528A1/fr
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    • 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 surface, preferably a narrow surface, of a preferably plate-shaped or strip-shaped workpiece with a preferably strip-shaped cover material, comprising at least one adhesive strip coating device with which the workpiece surface can be pre-coated with at least one adhesive strip. and at least one cover material coating device, with which the workpiece surface precoated with the at least one adhesive strip can be coated with the cover material, wherein the at least one adhesive strip coating device has at least one, preferably drivable, conveyor roller with which the at least one adhesive strip can be conveyed in the direction of the workpiece surface and/or at least one pressure roller, with which the at least one adhesive strip can be pressed onto the workpiece surface, preferably for the first time.
  • the invention further relates to an arrangement of such a device and at least one adhesive strip.
  • the invention relates to a method for coating a surface, preferably a narrow surface, of a workpiece, preferably in the form of a plate or strip, with a covering material, preferably in the form of strips, by means of such a device.
  • a device for coating a surface of a workpiece with a cover material is from DE 199 55 575 B4 known.
  • This device provides for the running speed of an adhesive element fed via a vacuum conveyor belt to be matched to the running speed of the workpiece in such a way that the adhesive element and a side edge of the workpiece in the area of a pressure vacuum conveyor belt are essentially free of relative movement.
  • the disadvantage here is that a small relative speed cannot be ruled out. This has a direct adverse effect on the quality of the coating result. Wrinkling and/or cracking of the adhesive element can occur.
  • the adhesive element is pressed onto the workpiece surface to be coated via a pressure-vacuum conveyor belt.
  • the disadvantage here is that a bulge can form at the corner of the workpiece that first comes into contact with the adhesive element, since the pressure vacuum conveyor belt bends an overhang of the adhesive element around the corner and a subsequent adhesive element section loses contact with the workpiece as a result .
  • This bead also has a disadvantageous effect on the quality of the coating result.
  • the disadvantage here is that there is a risk that the adhesive element will be torn off the workpiece in certain areas during the separating process and, for example, will be twisted and attached again, which in turn will lead to an impaired coating result.
  • the WO 00/53387 A1 which includes the preamble of claim 1, and the DE 70 31 331 U represent further prior art.
  • the object of the invention is therefore to specify a device which is improved compared to the prior art, in which the disadvantages described are at least partially eliminated and which is characterized in particular by an improved quality of the coating result.
  • a further object consists in an arrangement consisting of a device improved in this way and at least one adhesive strip and a method for coating a surface, preferably a narrow surface, of a workpiece, preferably in the form of a plate or strip, with a cover material, preferably in strip form, using a device improved in this way to specify.
  • the at least one conveyor roller and/or the at least one pressure roller is designed to be adjustable in position relative to the at least one adhesive strip and/or to the workpiece surface.
  • the possibility of adjusting the position of the at least one conveyor roller relative to the at least one adhesive strip and/or the workpiece surface offers the advantage that the at least one adhesive strip is conveyed to the workpiece surface to be coated by means of the at least one conveyor roller and then, when the at least one Adhesive strips adheres to the workpiece surface, can be lifted from the workpiece surface. The adhesive strip can then be pulled along by the workpiece itself. It is no longer necessary to ensure that the speeds of the at least one conveyor roller and the workpiece are perfectly matched to one another, since the at least one adhesive strip is conveyed either only by the at least one conveyor roller or by the workpiece itself. The risk of folds and/or cracking is thus excluded or at least significantly reduced.
  • the possibility of adjusting the position of the at least one pressure roller relative to the at least one adhesive strip and/or to the workpiece surface offers the advantage that the at least one pressure roller can initially be arranged in a waiting position when there is no workpiece to be coated, in which the at least one pinch roller spaced from a Potentially to be coated workpiece surface is arranged. If a surface of a workpiece is to be coated, it is possible to first let the corner of the workpiece, in which a bead formed in the prior art, pass the at least one pressure roller, and then the at least one pressure roller to the workpiece surface to introduce, ie to convert the at least one pinch roller from the waiting position into a pressing position. In this way, bulging can be avoided.
  • the at least one adhesive strip coating device comprises at least one adhesive strip feed device, with which the at least one adhesive strip can be guided to the workpiece surface, the at least one adhesive strip feed device comprising at least one cutting device for cutting through the adhesive strip at a cutting point, preferably wherein the at least one separating device comprises a knife that can be moved relative to a stationary counter-knife, and the at least one adhesive strip feed device comprises at least one guiding and/or holding device for guiding and/or holding the adhesive strip in front of and/or behind the separating point, preferably wherein the at least one guiding and/or holding device is designed to guide and/or hold a remaining section of the at least one adhesive strip which is arranged between the at least one pressure roller and the at least one separating device and is still to be applied to the workpiece surface.
  • the at least one adhesive strip can thus be severed in the at least one adhesive strip feed device. In this way, there is a risk that the adhesive element will be torn off from the workpiece in some areas during the course of the separation process and, for example, twisted and reattached, is excluded or at least significantly reduced.
  • At least one adjusting device is provided, with which the at least one conveyor roller and/or the at least one pressure roller can be adjusted in position, preferably wherein the at least one adjusting device comprises at least one piston-cylinder unit, a linear drive and/or a swivel drive.
  • the at least one adjusting device comprises at least one piston-cylinder unit, a linear drive and/or a swivel drive.
  • the position of the at least one conveyor roller can be adjusted in such a way that contact with the at least one adhesive strip can be eliminated as soon as the at least one adhesive strip adheres to the workpiece surface in sections.
  • the position of the at least one pressure roller can be adjusted in such a way that contact can be made with the at least one adhesive strip during or immediately after the at least one adhesive strip adheres in sections to the workpiece surface for the first time.
  • a disadvantageous bead formation known from the prior art is avoided and at the same time the at least one adhesive strip is reliably adhered to the workpiece surface.
  • an adjustment path enables a safe distance from the at least one adhesive strip and/or from the workpiece surface.
  • the at least one adhesive strip coating device comprises at least one adhesive strip feed device, with which the at least one adhesive strip can be guided to the workpiece surface
  • the at least one adhesive strip feed device comprises the at least one conveyor roller , and/or at least one guide jaw and/or at least one guide for the adhesive strip, preferably wherein the at least one guide jaw and/or the at least one guide is designed to guide adhesive strips with different widths, particularly preferably, wherein the at least one guide jaw and /or the at least one guide can be adjusted or exchanged relative to a base, and/or is arranged in the longitudinal direction at an angle of more than 35°, preferably at an angle of approx. 55°, to the workpiece surface to be coated.
  • Arranging the at least one adhesive strip feed device at an angle of more than 35°, preferably at an angle of approx. 55°, to the workpiece surface to be coated has the advantage that further components of the device can be installed directly in front of or behind the at least one adhesive strip feed device can be arranged, such as at least one activation device for activating, preferably heating, the workpiece surface and/or the at least one adhesive strip.
  • At least one such activation device is provided according to a preferred embodiment, preferably wherein the at least one activation device comprises a heat source, particularly preferably an infrared radiator, laser and/or a hot air source.
  • a heat source particularly preferably an infrared radiator, laser and/or a hot air source.
  • At least two activation devices are particularly preferably provided, with one of the two activation devices being arranged in front of the at least one pressure roller in relation to a direction of passage of the workpiece and the other of the two activating devices being arranged behind the at least one pressure roller in relation to the direction of passage of the workpiece, preferably with the one in front of the at least an activation device arranged on a pressure roller is designed to activate the uncoated workpiece surface, and/or the activation device arranged behind the at least one pressure roller is designed to activate the workpiece surface precoated with the at least one adhesive strip.
  • At least one interface is provided for the detachable attachment of a glue application device, preferably with the at least one interface being arranged between the at least one adhesive strip coating device and the at least one cover material coating device in relation to a direction of passage of the workpiece.
  • the possibility of using the device can be increased in that a suitable adhesive can be used depending on the type of workpiece to be coated and the covering material to be used.
  • At least one magazine for receiving a coil with the at least one adhesive strip, preferably with at least one guide roller for guiding the at least one adhesive strip to the at least one adhesive strip coating device, preferably with the at least one magazine being a comprises openable housing, particularly preferably wherein the housing has at least one connection for filling the housing with a includes gas. In this way, the at least one adhesive strip can be safely stored in large quantities.
  • the at least one cover material coating device comprises at least one cover material feed device, with which the cover material can be fed to the workpiece surface, wherein the at least one cover material feed device is designed in such a way that the cover material is fed at an angle to the workpiece surface can be fed, which is smaller than the angle at which the at least one adhesive strip of the workpiece surface can be fed.
  • the at least one covering material feed device comprises at least one guide wedge and/or at least one pressure roller, preferably with the at least one pressure roller being drivable and/or being conical.
  • At least one workpiece transport device is provided for moving the workpiece in a predetermined throughput direction.
  • a relative movement between the workpiece and the at least one adhesive strip coating device and the at least one cover material coating device can thus be achieved in a reliable manner.
  • protection is also sought for an arrangement consisting of a device according to the invention and at least one adhesive strip, the at least one adhesive strip consisting of a homogeneous mass without a carrier, preferably the at least one mass comprising at least one isocyanate-reactive polymer which can be activated by the action of heat .
  • an adhesive element is not used which consists of a textile carrier, for example, and an adhesive agent arranged on it.
  • An adhesive strip made of a homogeneous, medium-less mass is in comparison more easily and reliably activated. Greater holding power between the workpiece surface and the cover material can also be achieved.
  • Isocyanate-reactive polymers have high moisture and heat resistance.
  • the device comprises at least two activation devices, with one of the two activation devices being arranged in front of the at least one pressure roller in relation to a direction of passage of the workpiece and the other of the two activating devices being arranged behind the at least one pressure roller in relation to the direction of passage of the workpiece, and wherein the activation device arranged in front of the at least one pressure roller activates the uncoated workpiece surface before the first method step, and/or the activation device arranged behind the at least one pressure roller activates the workpiece surface precoated with the at least one adhesive strip after the first method step and before the second method step.
  • the figure 1 shows a relevant section of a device 1 for coating a surface 2, which is a narrow surface, of a panel-shaped workpiece 3 with a strip-shaped cover material 4.
  • the invention is not limited to the coating of narrow surfaces of panel-shaped workpieces 3 with a strip-shaped cover material 4 .
  • the device 1 comprises an adhesive strip coating device 5, with which the workpiece surface 2 can be pre-coated with at least one adhesive strip 6, and a covering material coating device 7, with which the workpiece surface 2 pre-coated with the at least one adhesive strip 6 can be coated with the covering material 4 .
  • the adhesive strip coating device 5 comprises a conveyor roller 8, with which the at least one adhesive strip 6 can be conveyed in the direction of the workpiece surface 2, and a pressure roller 9, with which the at least one adhesive strip 6 can be pressed onto the workpiece surface 2 for the first time.
  • the conveyor roller 8 can be driven. For example, as soon as the device 1 is put into operation, it can be driven permanently.
  • the conveyor roller 8 is designed to be positionally adjustable relative to the at least one adhesive strip 6 .
  • the pinch roller 9 is adjustable in position relative to at least one adhesive strip 6 and to the workpiece surface 2 .
  • the invention is not limited to this embodiment. It is also possible, for example, for only one of the two rollers 8, 9 to be adjustable in position.
  • the adhesive strip coating device 5 comprises an adhesive strip feed device 11 with which the at least one adhesive strip 6 can be guided to the workpiece surface 2 .
  • the adhesive strip feeding device 11 comprises a separating device 18 for severing the adhesive strip 6 at a separating point.
  • the separating device 18 can comprise, for example, a knife 20 that can be moved relative to a stationary counter-knife.
  • Activation devices 24, 25 are provided for activating, preferably heating, the workpiece surface 2 and/or the at least one adhesive strip 6.
  • the activation devices 24, 25 can, for example, comprise an infrared emitter. It makes sense to use radiators which emit electromagnetic radiation in the near infrared range.
  • the activation can alternatively or additionally also take place, for example, by releasing steam, a pressurized gas or the like.
  • two activation devices 24, 25 are specifically provided, one of the two activation devices 24, 25 being located in front of the pressure roller 9 in relation to a direction of passage 26 of the workpiece 3 and the other of the two activation devices 24, 25 being located behind in relation to the direction of passage 26 of the workpiece 3 the pressure roller 9 is arranged.
  • the arranged in front of the pressure roller 9 activation device 24 is designed to activate uncoated workpiece surface 2.
  • the activation device 25 arranged behind the pressure roller 9 is designed to activate the workpiece surface 2 precoated with the at least one adhesive strip 6 .
  • One or both activation devices 24, 25 can include a reflector 38, indicated in dashed lines in the case of activation device 24.
  • the adhesive strip feed device 11 includes a separating device 18 for severing the adhesive strip 6, a clear spatial separation between activation and detachment of the adhesive strip 6 can be achieved. This also reduces the risk of a partially activated adhesive strip 6 adhering to the separating device 18 during separation.
  • the device 1 comprises a magazine 28 for receiving a coil 29 with the at least one adhesive strip 6, guide rollers 30 for guiding the at least one adhesive strip 6 to the adhesive strip coating device 5 being provided.
  • the magazine 28 can comprise an openable housing, preferably with the housing comprising at least one connection for filling the housing with a gas. In the case of particularly reactive adhesives, it is advisable, for example, to fill the housing with nitrogen to prevent the adhesive from activating prematurely.
  • the cover material coating device 7 comprises a cover material feed device 31, with which the cover material 4 can be fed to the workpiece surface 2, the cover material feed device 31 being designed in such a way that the cover material 4 can be fed to the workpiece surface 2 at an angle 32 that is smaller than the angle 17 at which the at least one adhesive strip 6 can be fed to the workpiece surface 2 (compare also the figures 2b ) and 2d )).
  • the cover material coating device 7 can include guide rollers for guiding the cover material 4, which are not shown in the figures for the sake of clarity.
  • the cover material feed device 31 comprises a guide wedge 33 and pressure rollers 34, 35, 36.
  • the pressure roller 34 can be driven. It is also advisable for the pressure rollers 35, 36 to be conical, with one of the pressure rollers 35, 36 preferably widening in the direction of the upper edge of the cover material 4 and one of the pressure rollers 35, 36 in the direction of the lower edge of the cover material 4, whereby it can be ensured that the cover material 4 is reliably pressed onto the workpiece 2 at the lower and upper edges.
  • the guide wedge 33 has a play to the workpiece 3 (compare also Figure 2d )).
  • the device 1 comprises a workpiece transport device 37 for moving the workpiece 3 in a predetermined throughput direction 26.
  • This can be a belt conveyor, for example.
  • the adhesive strip 6 can be an adhesive strip 6 made from a homogeneous, carrier-free mass, preferably with the mass comprising at least one isocyanate-reactive polymer which can be activated by the action of heat.
  • the Figures 2a) to 2d ) show a possible exemplary embodiment of a method for coating the surface 2 of the workpiece 3 with a cover material 4 using the device 1.
  • the workpiece surface 2 is pre-coated with at least one adhesive strip 6 (cf. Figure 2b )).
  • the workpiece surface 2 precoated with the at least one adhesive strip 6 is coated with the cover material 4 (cf. Figure 2d )).
  • the uncoated workpiece surface 2 is activated by the activation device 24 arranged in front of the pressure roller 9 (cf. Figure 2a )).
  • the workpiece surface 2 precoated with the at least one adhesive strip 6 is activated by the activation device 25 arranged behind the pressure roller 9 (cf. Figure 2c )).
  • An interface 27 for the detachable attachment of a glue application device is indicated with dashed lines, the interface 27 being arranged between the adhesive strip coating device 5 and the covering material coating device 7 in relation to a throughput direction 26 of the workpiece 3 .
  • the glue application device can be, for example, a glue pot for applying an EVA glue.
  • FIG. 12 shows an enlarged partial section showing the adhesive strip feed device 11 and the workpiece 3 shortly before the end of the pre-coating of the workpiece surface 2 with the adhesive strip 6.
  • the adhesive strip feeding device 11 includes guiding and/or holding devices 21, 22 for guiding and/or holding the adhesive strip 6 in front of and behind the separating point which is defined by the separating device 18.
  • the guiding and/or holding device 22 is designed to guide and/or hold a residual section 23 of the at least one adhesive strip 6 that is arranged between the pressure roller 9 and the separating device 18 and is still to be applied to the workpiece surface 2 .
  • adjusting devices 10 with which the position of the conveyor roller 8 and the pressure roller 9 can be adjusted, the adjusting devices 10 being able to comprise piston-cylinder units, as in the case shown.
  • the adjusting devices 10 can include a linear drive and/or pivot drive or the like.
  • the position of the conveyor roller 8 can be adjusted in such a way that contact with the at least one adhesive strip 6 can be eliminated as soon as the at least one adhesive strip 6 adheres to the workpiece surface 2 in sections. Specifically, the position of the conveyor roller 8 is adjusted in the course of the first method step such that contact with the at least one adhesive strip 6 is eliminated as soon as the at least one adhesive strip 6 adheres to the workpiece surface 2 in sections.
  • the position of the pressure roller 9 can be adjusted in such a way that contact with the at least one adhesive strip 6 can be established during or immediately after the at least one adhesive strip 6 adheres in sections to the workpiece surface 2 for the first time. Specifically, the position of the pressure roller 9 is adjusted in the course of the first method step such that contact is made with the at least one adhesive strip 6 during or immediately after the at least one adhesive strip 6 adheres in sections to the workpiece surface 2 for the first time, i.e. as soon as the right-hand corner is level of the pinch roller 9 or immediately after that corner has passed the pinch roller 9.
  • the device 1 can be provided with a laser sensor, for example, which detects the position of the front and/or rear edge of the workpiece 3 .
  • the position of the conveyor roller 8 and the pressure roller 9 can be adjusted over an adjustment path of 0.1 mm to 10.0 mm, preferably 0.5 mm to 2.5 mm.
  • the at least one adhesive strip 6 is severed even before the workpiece surface 2 to be coated is completely pre-coated with the at least one adhesive strip 6, with the remaining section arranged between the pressure roller 9 and the separating device 18 and still to be applied to the workpiece surface 2 23 of the at least one adhesive strip 6 is temporarily guided and/or held by the guiding and/or holding device 22 before it is applied to the workpiece surface 2.
  • the at least one adhesive strip is adhered to the tool surface 2 on both sides with a slight overhang 19 .
  • the adhesive strip feed device 11 is arranged in the longitudinal extension at an angle 17 of more than 35°, preferably at an angle 17 of approximately 55°, to the workpiece surface 2 to be coated.
  • This offers the advantage that on the one hand a clear spatial separation between the separating device 18 and the activation device 24 is achieved.
  • the adhesive strip feeding device 11 comprises a guide jaw 12 and a guide 13 for the adhesive strip 6, the guide jaw 12 or a counterpart 39 comprised thereof and the guide 13 being adjustable relative to a base 14, 15 and/or or are interchangeable to lead adhesive strips 6 with different widths 16.
  • sliding guides in combination with clamping means for locking a set position can be provided for the adjustment.
  • the counterpart 39 can have a slot 40 through which the conveyor roller 8 (not shown) can come into contact with the at least one adhesive strip 6 .

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Adhesive Tapes (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (15)

  1. Dispositif (1) de revêtement d'une surface (2), de préférence d'une face étroite, d'une pièce (3), de préférence en forme de panneau ou de baguette, avec un matériau de recouvrement (4) de préférence en forme de bande, comprenant au moins un dispositif de revêtement de bandes adhésives (5), avec lequel la surface de pièce (2) peut être revêtue au préalable avec au moins une bande adhésive (6), et au moins un dispositif de revêtement de matériau de recouvrement (7), avec lequel la surface de pièce (2) revêtue au préalable avec l'au moins une bande adhésive (6) peut être revêtue du matériau de recouvrement (4), dans lequel l'au moins un dispositif de revêtement de bandes adhésives (5) comprend au moins un rouleau de convoyage (8) de préférence pouvant être entraîné, avec lequel l'au moins une bande adhésive (6) peut être convoyée en direction de la surface de pièce (2), et/ou au moins un rouleau de pression (9), avec lequel l'au moins une bande adhésive (6) peut être pressée de préférence pour la première fois sur la surface de pièce (2), caractérisé en ce que
    - l'au moins un rouleau de convoyage (8) est réalisé de manière ajustable en position par rapport à au moins une bande adhésive (6), dans lequel l'au moins un rouleau de convoyage (8) peut être ajusté en position de telle manière qu'un contact avec l'au moins une bande adhésive (6) peut être supprimé dès que l'au moins une bande adhésive (6) adhère par endroits à la surface de pièce (2), et/ou
    - l'au moins un rouleau de pression (9) est réalisé de manière ajustable en position par rapport à au moins une bande adhésive (6) et/ou par rapport à la surface de pièce (2), dans lequel l'au moins un rouleau de pression (9) peut être ajusté en position de telle manière qu'un contact avec l'au moins une bande adhésive (6) peut être établi lors ou directement après une adhérence par endroits pour la première fois de l'au moins une bande adhésive (6) à la surface de pièce (2).
  2. Dispositif (1) selon la revendication 1, dans lequel l'au moins un dispositif de revêtement de bande adhésives (5) comprend au moins un dispositif d'amenée de bandes adhésives (11), avec lequel l'au moins une bande adhésive (6) peut être guidée vers la surface de pièce (2).
  3. Dispositif (1) selon la revendication 2, dans lequel l'au moins un dispositif d'amenée de bandes adhésives (11) comprend au moins un dispositif de séparation (18) pour sectionner la bande adhésive (6) sur un emplacement de séparation, de préférence dans lequel l'au moins un dispositif de séparation (18) comprend un tranchant (20) pouvant être déplacé par rapport à un contre-tranchant immobile, de préférence dans lequel l'au moins un dispositif d'amenée de bandes adhésives (11) comprend au moins un dispositif de guidage et/ou de maintien (21, 22) destiné à guider et/ou à maintenir la bande adhésive (6) devant et/ou derrière l'emplacement de séparation, de préférence dans lequel l'au moins un dispositif de guidage et/ou de maintien (22) est réalisé pour guider et/ou maintenir une section restante (23) de l'au moins une bande adhésive (6) disposée entre l'au moins un rouleau de pression (9) et l'au moins un dispositif de séparation (18) et restant à appliquer sur la surface de pièce (2).
  4. Dispositif (1) selon la revendication 1, caractérisé en ce que l'au moins un dispositif de revêtement de bandes adhésives (5) comprend au moins un dispositif d'amenée de bandes adhésives (11), avec lequel l'au moins une bande adhésive (6) peut être guidée vers la surface de pièce (2), dans lequel l'au moins un dispositif d'amenée de bandes adhésives (11) comprend au moins un dispositif de séparation (18) pour sectionner la bande adhésive (6) sur un emplacement de séparation, de préférence dans lequel l'au moins un dispositif de séparation (18) comprend un tranchant (20) pouvant être déplacé par rapport à un contre-tranchant immobile, et l'au moins un dispositif d'amenée de bandes adhésives (11) comprend au moins un dispositif de guidage et/ou de maintien (21, 22) destiné à guider et/ou maintenir la bande adhésive (6) devant et/ou derrière l'emplacement de séparation, de préférence dans lequel l'au moins un dispositif de guidage et/ou de maintien (22) est réalisé pour guider et/ou maintenir une section restante (23) de l'au moins une bande adhésive (6) disposée entre l'au moins un rouleau de pression (9) et l'au moins un dispositif de séparation (18) et restant à appliquer sur la surface de pièce (2).
  5. Dispositif (1) selon l'une quelconque des revendications 1 à 4, dans lequel
    - au moins un dispositif de réglage (10) est prévu, avec lequel l'au moins un rouleau de convoyage (8) et/ou l'au moins un rouleau de pression (9) peuvent être ajustés en position, de préférence dans lequel l'au moins un dispositif de réglage (10) comprend au moins une unité de piston-cylindre, un entraînement linéaire et/ou un entraînement par pivotement, et/ou
    - l'au moins un rouleau de convoyage (8) et/ou l'au moins un rouleau de pression (9) peuvent être ajustés en position sur un trajet d'ajustement de 0,1 mm à 10,0 mm, de préférence de 0,5 mm à 2,5 mm.
  6. Dispositif (1) selon l'une quelconque des revendications 1 à 5, dans lequel l'au moins un dispositif de revêtement de bandes adhésives (5) comprend au moins un dispositif d'amenée de bandes adhésives (11), avec lequel l'au moins une bande adhésive (6) peut être guidée vers la surface de pièce (2), et l'au moins un dispositif d'amenée de bandes adhésives (11)
    - comprend l'au moins un rouleau de convoyage (8) et/ou
    - comprend au moins une mâchoire de guidage (12) et/ou au moins un guidage (13) pour la bande adhésive (6), de manière préférée dans lequel l'au moins une mâchoire de guidage (12) et/ou l'au moins un guidage (13) sont réalisés pour guider des bandes adhésives (6) avec différentes largeurs (16), de manière particulièrement préférée, dans lequel l'au moins une mâchoire de guidage (12) et/ou l'au moins un guidage (13) peuvent être ajustés ou remplacés par rapport à une base (14, 15), et/ou
    - est disposé dans l'extension longitudinale selon un angle (17) supérieur à 35°, de préférence selon un angle (17) d'environ 55°, par rapport à la surface de pièce (2) à revêtir.
  7. Dispositif (1) selon l'une quelconque des revendications 1 à 6, dans lequel au moins un dispositif d'activation (24, 25) est prévu pour activer, de préférence pour chauffer, la surface de pièce (2) et/ou l'au moins une bande adhésive (6), de manière préférée dans lequel l'au moins un dispositif d'activation (24, 25) comprend une source de chaleur, de manière particulièrement préférée un émetteur infrarouge, un laser et/ou une source d'air très chaud.
  8. Dispositif (1) selon la revendication 7, dans lequel au moins deux dispositifs d'activation (24, 25) sont prévus, dans lequel un des deux dispositifs d'activation (24, 25) est disposé par rapport à une direction de défilement (26) de la pièce (3) devant l'au moins un rouleau de pression (9) et l'autre des deux dispositifs d'activation (24, 25) est disposé par rapport à la direction de défilement (26) de la pièce (3) derrière l'au moins un rouleau de pression (9), de préférence dans lequel le dispositif d'activation (24) disposé devant l'au moins un rouleau de pression (9) est réalisé pour activer la surface de pièce (2) non revêtue, et/ou le dispositif d'activation (25) disposé derrière l'au moins un rouleau de pression (9) est réalisé pour activer la surface de pièce (2) revêtue au préalable avec l'au moins une bande adhésive (6).
  9. Dispositif (1) selon l'une quelconque des revendications 1 à 8, dans lequel
    - au moins une interface (27) est prévue pour fixer de manière amovible un dispositif d'encollage, de préférence dans lequel l'au moins une interface (27) est disposée par rapport à une direction de défilement (26) de la pièce (3) entre l'au moins un dispositif de revêtement de bandes adhésives (5) et l'au moins un dispositif de revêtement de matériau de recouvrement (7), et/ou
    - au moins un magasin (28) est prévu pour loger une bobine (29) avec l'au moins une bande adhésive (6), de préférence dans lequel au moins un rouleau de guidage (30) est prévu pour guider l'au moins une bande adhésive (6) vers au moins un dispositif de revêtement de bandes adhésives (5), de manière préférée dans lequel l'au moins un magasin (28) comprend un boîtier pouvant être ouvert, de manière particulièrement préférée dans lequel le boîtier comprend au moins un raccordement pour remplir le boîtier d'un gaz, et/ou
    - au moins un dispositif de transport de pièce (37) est prévu pour poursuivre le déplacement de la pièce (3) dans une direction de défilement (26) prédéfinie.
  10. Dispositif (1) selon l'une quelconque des revendications 1 à 9, dans lequel l'au moins un dispositif de revêtement de matériau de recouvrement (7) comprend au moins un dispositif d'amenée de matériau de recouvrement (31), avec lequel le matériau de recouvrement (4) peut être guidé vers la surface de pièce (2), dans lequel l'au moins un dispositif d'amenée de matériau de recouvrement (31) est réalisé de telle manière que le matériau de recouvrement (4) peut être amené à la surface de pièce (2) selon un angle (32), qui est inférieur à l'angle (17), selon lequel l'au moins une bande adhésive (6) peut être amenée à la surface de pièce (2), de manière préférée dans lequel l'au moins un dispositif d'amenée de matériau de recouvrement (31) comprend au moins une clavette de guidage (33) et/ou au moins un rouleau de pression de serrage (34, 35, 36), de manière particulièrement préférée dans lequel l'au moins un rouleau de pression de serrage (34, 35, 36) peut être entraîné et/ou est réalisé de manière conique.
  11. Ensemble composé d'un dispositif (1) selon l'une quelconque des revendications 1 à 10 et au d'au moins une bande adhésive (6), dans lequel l'au moins une bande adhésive (6) est constituée d'une masse homogène sans support, de préférence dans lequel l'au moins une masse comprend au moins un polymère réactif avec l'isocyanate, lequel peut être activé sous l'effet de la chaleur.
  12. Procédé pour revêtir une surface (2), de préférence une face étroite, d'une pièce (3) de préférence en forme de panneau ou de baguette, avec un matériau de recouvrement (4) de préférence en forme de bande, au moyen d'un dispositif (1) selon l'une quelconque des revendications 1 à 10, dans lequel lors d'une première étape de procédé, la surface de pièce (2) est revêtue au préalable avec au moins une bande adhésive (6) et la surface de pièce (2) revêtue au préalable avec l'au moins une bande adhésive (6) est revêtue lors d'une deuxième étape de procédé avec le matériau de recouvrement (4), dans lequel l'au moins un rouleau de convoyage (8) est ajusté en position dans le cadre de la première étape de procédé de telle manière qu'un contact avec l'au moins une bande adhésive (6) est supprimé dès que l'au moins une bande adhésive (6) adhère par endroits à la surface de pièce (2), et/ou dans lequel l'au moins un rouleau de pression (9) est ajusté en position de telle manière dans le cadre de la première étape de procédé qu'un contact avec l'au moins une bande adhésive (6) est établi lors ou directement après une adhérence par endroits pour la première fois de l'au moins une bande adhésive (6) à la surface de pièce (2).
  13. Procédé pour revêtir une surface (2), de préférence une face étroite, d'une pièce (3) de préférence en forme de panneau ou de baguette, avec un matériau de revêtement (4) de préférence en forme de bande, au moyen d'un dispositif (1) selon l'une quelconque des revendications 1 à 10, dans lequel lors d'une première étape de procédé, la surface de pièce (2) est revêtue au préalable avec l'au moins une bande adhésive (6) et la surface de pièce (2) revêtue au préalable avec l'au moins une bande adhésive (6) est revêtue avec le matériau de recouvrement (4) lors d'une deuxième étape de procédé, dans lequel l'au moins une bande adhésive (6) est sectionnée dans le cadre de la première étape de procédé encore avant que la surface de pièce (2) à revêtir ne soit totalement revêtue avec l'au moins une bande adhésive (6), de préférence dans lequel le dispositif (1) comprend au moins un dispositif de guidage et/ou de maintien (21, 22) destiné à guider et/ou maintenir la bande adhésive (6) devant et/ou derrière l'emplacement de séparation et une section restante (23) de l'au moins une bande adhésive (6) disposée entre l'au moins un rouleau de pression (9) et au moins un dispositif de séparation (18) et restant à appliquer sur la surface de pièce (2) est guidée et/ou est maintenue temporairement par l'au moins un dispositif de guidage et/ou de maintien (22) avant d'être appliquée sur la surface de pièce (2).
  14. Procédé selon la revendication 13,
    dans lequel l'au moins un rouleau de convoyage (8) est ajusté en position de telle manière dans le cadre de la première étape de procédé qu'un contact avec l'au moins une bande adhésive (6) est supprimé dès que l'au moins une bande adhésive (6) adhère par endroits à la surface de pièce (2), et/ou l'au moins un rouleau de pression (9) est ajusté en position de telle manière dans le cadre de la première étape de procédé qu'un contact avec l'au moins une bande adhésive (6) est établi lors ou directement après une adhérence par endroits pour la première fois de l'au moins une bande adhésive (6) sur la surface de pièce (2).
  15. Procédé selon l'une quelconque des revendications 12 à 14,
    dans lequel le dispositif (1) comprend au moins deux dispositifs d'activation (24, 25), dans lequel un des deux dispositifs d'activation (24, 25) est disposé par rapport à une direction de défilement (26) de la pièce (2) devant l'au moins un rouleau de pression (9) et l'autre des deux dispositifs d'activation (24, 25) est disposé par rapport à la direction de défilement (26) de la pièce (3) derrière l'au moins un rouleau de pression (9), et dans lequel le dispositif d'activation (24) disposé devant l'au moins un rouleau de pression (9) active avant la première étape de procédé la surface de pièce (2) non revêtue, et/ou le dispositif d'activation (25) disposé derrière l'au moins un rouleau de pression (9) active après la première étape de procédé et avant la deuxième étape de procédé la surface de pièce (2) revêtue au préalable avec l'au moins une bande adhésive (6).
EP20170640.5A 2019-05-14 2020-04-21 Dispositif de revêtement d'une surface et méthode de revêtement d'une surface Active EP3741528B1 (fr)

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DE102020116753A1 (de) * 2020-06-25 2021-12-30 Homag Gmbh Vorrichtung und Verfahren zum Beschichten eines Werkstücks
EP4088897B1 (fr) * 2021-05-12 2023-12-20 IMA Schelling Deutschland GmbH Dispositif, en particulier machine à plaquer sur chants
DE102021124866B3 (de) 2021-09-27 2022-10-20 Ima Schelling Deutschland Gmbh Trennvorrichtung, Kantenbearbeitungsvorrichtung und Verfahren zum Durchtrennen eines Beschichtungsmaterials

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DE1291463B (de) * 1965-12-24 1969-03-27 Heinrich Brandt Fa Vorrichtung zum Auftragen von mit einem Kleber einseitig beschichteten Distanzstreifen auf Moebelstuecke
DE1299113B (de) * 1966-05-24 1969-07-10 Unger Geb Hunger Anneliese Vorrichtung zum Anleimen von Streifen auf Innenprofile
DE7031331U (de) * 1970-08-21 1971-09-02 Klessmann Ima Norte Maschfab Trommelmagazin fuer furnierkanten-maschine.
AU769145B2 (en) * 1999-03-10 2004-01-15 Ttg Technology Transfer Gmbh Method and apparatus for applying a plastic edge strip to a plate-like workpiece and such a workpiece
DE19955575B4 (de) * 1999-11-18 2010-04-08 Brandt Kantentechnik Gmbh Verfahren und Vorrichtung zum Anhaften eines Deckmaterials an Werkstückoberflächen von fortlaufend bewegten oder stationär angeordneten platten- oder leistenförmigen Werkstücken
DE202005013108U1 (de) * 2005-08-17 2007-02-08 Piras Metalltechnik Gmbh & Co. Kg Maschine zum Ummanteln oder Beschichten von Profilen mit Folie
DE102013216113A1 (de) * 2013-08-14 2015-03-05 Homag Holzbearbeitungssysteme Gmbh Beschichtungsaggregat

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