EP3885052B1 - Revêtement de bord d'un panneau au moyen d'un revêtement - Google Patents

Revêtement de bord d'un panneau au moyen d'un revêtement Download PDF

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Publication number
EP3885052B1
EP3885052B1 EP20165261.7A EP20165261A EP3885052B1 EP 3885052 B1 EP3885052 B1 EP 3885052B1 EP 20165261 A EP20165261 A EP 20165261A EP 3885052 B1 EP3885052 B1 EP 3885052B1
Authority
EP
European Patent Office
Prior art keywords
medium
coating
panel
recess
pump
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
EP20165261.7A
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German (de)
English (en)
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EP3885052A1 (fr
Inventor
Yavuz MADANOGLU
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.)
Akzenta Paneele and Profile GmbH
Original Assignee
Akzenta Paneele and Profile 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.)
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Publication date
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Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Priority to PL20165261.7T priority Critical patent/PL3885052T3/pl
Priority to EP20165261.7A priority patent/EP3885052B1/fr
Priority to PT201652617T priority patent/PT3885052T/pt
Priority to ES20165261T priority patent/ES2937071T3/es
Priority to CN202180024285.0A priority patent/CN115315319A/zh
Priority to CA3176079A priority patent/CA3176079A1/fr
Priority to EP21713669.6A priority patent/EP4126392A1/fr
Priority to KR1020227036394A priority patent/KR20220149918A/ko
Priority to BR112022018188A priority patent/BR112022018188A2/pt
Priority to PCT/EP2021/057577 priority patent/WO2021191280A1/fr
Priority to US17/913,243 priority patent/US11779951B2/en
Priority to MX2022011924A priority patent/MX2022011924A/es
Publication of EP3885052A1 publication Critical patent/EP3885052A1/fr
Publication of EP3885052B1 publication Critical patent/EP3885052B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0204—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to the edges of essentially flat articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
    • B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • B05C5/0216—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles by relative movement of article and outlet according to a predetermined path
    • B05C5/022—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles by relative movement of article and outlet according to a predetermined path the outlet being fixed during operation

Definitions

  • the invention relates to a coating device for a coating system for coating the edge of a panel with a coating medium.
  • the present invention also relates to a coating system for coating the edge of a panel with a coating medium.
  • Coating systems in which a coating medium is pumped into a pressure vessel are known to date.
  • the medium for coating is then conveyed to a coating head by the pressure of the pressure vessel.
  • the line for conveying the medium must first be vented.
  • the medium is then pressed to the nozzle of the coating head at a constant pressure via a ball valve.
  • the medium must then be sucked off with a constant negative pressure applied to the coating head. In this way, a medium flow is created at the nozzle of the coating head.
  • the quantity of the coating medium can be regulated manually and in a complicated manner.
  • DE 40 20 21 174 A1 relates to a system for vacuum edge coating of flat workpieces, which are moved by conveyors and guided through edge coating chambers, with several edge coating chambers being arranged as required on the conveyors at a distance from a single basic machine, the basic machine being divided into separate individual devices which can be positioned in any position relative to one another under the transport level of the conveyors are set up and by means of valves, controls, automatic color changes, automatic cleaning and uninterrupted filter changes or cleaning and emergency backups are implemented.
  • the coating system for the edge coating of a panel with a coating medium.
  • the coating system has: a medium line system for guiding a coating medium, a pump system connected to the medium line system for conveying the coating medium and at least one coating device connected to the medium line system.
  • the coating device has: at least one medium line for guiding a coating medium, with an inlet and an outlet, the medium line having a recess for introducing a panel into a coating medium flow, and the medium line and the recess being designed in such a way that suction in Medium flow direction, the coating medium can be applied to the edge of the panel, and wherein the pumping system has a vacuum device downstream of the outlet in the medium flow direction, the vacuum device being configured to generate a vacuum at the outlet.
  • One or more coating devices can be used in the coating installation.
  • the use of two coating devices arranged spaced apart from one another on the coating plant can be advantageous, the coating devices being spaced apart on a conveyor line of the panel can be to each other.
  • the coating devices can, for example, be arranged on the conveyor line in such a way that the panel is first coated at its edge by a first coating device and then the panel is again coated with a further layer on a second coating device, which layer lies on top of the first layer.
  • the disclosed method can have method steps according to features of the coating system according to the invention or according to at least one of the modified embodiments of the invention.
  • the method steps of the method are carried out in an order corresponding to the medium flow direction. It is preferred that the order of method steps can be varied unless technically required in an explicit order. However, the order of the process steps described above is particularly preferred.
  • One aspect of the present invention is therefore to suck the coating medium through the coating device to the base machine. In this way, a complicated construction of the coating plant can advantageously be reduced, and the quality of the coating on the panel can be improved.
  • the great advantage is that the coating is homogeneous.
  • the device itself has the advantage of its structure that the medium can only dry slightly and low turbulence is achieved, i. H. a medium-friendly and energy-efficient coating is achieved.
  • the device is also less susceptible to dust and dirt, which is relevant, for example, in connection with a coating in a double-end profiler.
  • the device significantly reduces or prevents sticking and soiling of conveyor belts-chains-chain plates-cams, as a result of which time-consuming cleaning and maintenance can be significantly reduced or avoided.
  • the coating device With the simpler structure, less error is also achieved. The effort involved in maintenance and cleaning is also reduced.
  • the simple structure of the coating device without a nozzle is less prone to clogging. This also favors easy cleaning and maintenance.
  • the coating device can be made more compact. For example, a coating head width with pickup in a range of 15 cm to 20 cm can be avoided. Exchanging and upgrading existing systems is therefore very easy.
  • the coating device can already have the advantage that the entire coating system can be designed to be more space-saving.
  • Line cross-sections smaller than 50 mm to 60 mm in the area of the conveying circuit, in which negative pressure is applied, can also be selected so that the coating medium in the lines does not dry out as much. Smaller margins can also be produced without larger rejects.
  • the vacuum device is preferably a side channel compressor.
  • the preferred side channel compressor is a special type of compressor. It is used to compress or extract air or other gases.
  • a channel is attached to the side of a bladed impeller over almost its entire circumference. The gas can flow from the areas of the impeller separated by the blades to the channel and back again. Air is sucked in by a rapidly rotating bladed impeller, which is then pressed outwards by centrifugal force, resulting in compression. The air then flows back inwards via the side channel and is again accelerated between two further blades and compressed outwards. Due to this multiple compression, higher differential pressures can be generated compared to a fan.
  • systems similar to a side channel compressor can also be designed as a vacuum device.
  • the panel is a conveyed panel.
  • the panel can be transported in any direction.
  • the panel can be a wooden floorboard, for example.
  • the transport speed is adapted, for example, to the nature of a coating system, the properties of the coating medium and a speed of the medium flow.
  • the medium line and the recess are designed such that with a medium pressure at the recess in a range of 3.5 ⁇ 10 ⁇ 3 Pa to 5.5 ⁇ 10 ⁇ 3 Pa, preferably at a medium pressure of 5 ⁇ 10 ⁇ 3 Pa, the coating medium can be applied to the edge of the panel.
  • a particularly homogeneous coating of the panel is made possible.
  • the coating medium is conveyed into the inlet of the coating device with an inlet pressure of 10 ⁇ 4 Pa to 2 ⁇ 10 ⁇ 4 Pa.
  • Such a low inlet pressure reduces the risk of the coating medium accidentally being coated way to the panel to be coated by suction. Nevertheless, this advantageous feed pressure is sufficient to convey the coating medium through the coating device by means of the suction in such a way that a panel can be coated in the desired manner.
  • 3.5 ⁇ 10 ⁇ 3 Pascal is the equivalent of 35 millibars.
  • 5.5 ⁇ 10 ⁇ 3 pascals are the equivalent of 55 millibars.
  • 5 ⁇ 10 ⁇ 3 pascals are equivalent to 50 millibars.
  • 10 ⁇ 4 pascals are equivalent to 0.1 bar.
  • 2 ⁇ 10 ⁇ 4 pascals are equivalent to 0.2 bar.
  • the recess and a medium line cross-section have an aspect ratio to one another and the medium line runs in such a way that the coating medium can be applied to the edge of the panel by suction in the medium flow direction, in particular that with a medium pressure in one area from 3.5 ⁇ 10 ⁇ 3 Pa to 5.5 ⁇ 10 ⁇ 3 Pa, preferably at a medium pressure of 5 ⁇ 10 ⁇ 3 Pa, the coating medium can be applied to the edge of the panel.
  • the recess is arranged on an outer bend of a curved or kinked medium line section. This allows the panel to be easily conveyed past the recess of the coating device that forms an opening and at the same time promotes a controlled application of coating medium to the panel.
  • the curved or kinked medium line section has an acute inner angle, with an inlet piece, which extends from the inlet to the recess, extending vertically when the medium line is connected via the inlet. This advantageously reduces leakage of the coating medium from the coating device.
  • the medium line is U-shaped with two legs, with the inlet piece being a first leg and an outlet piece extending in the direction of medium flow from the recess to the casserole being a second leg.
  • U-shaped design in which an inflow occurs, for example, vertically or at least at a height rising up to the recess, favors good control of the medium flow and the pressure.
  • Installation of a coating device configured in this way in a coating system is also simpler. In other words, due to the shape of the coating device, which can be combined with a higher mounting relative to other components of the coating system, the coating medium can simply run back into the basic machine. A similar function is given here as in the case of an overflow.
  • an edge profile of the recess is adapted to the edge of the panel in a form-fitting manner, with the edge profile of the recess in particular being designed as a counter-profile adapted to a profile of the edge of the panel. This favors a more uniform coating of the panel, while at the same time the escape of the medium from the recess can be reduced or prevented.
  • two medium lines are provided for guiding the coating medium. This can be advantageous in order to coat larger areas of the panel at the same time and at the same time keep a line cross-section smaller in order to achieve a more controlled medium flow.
  • the medium line cross-section of the medium line system is designed to generate a negative pressure at the outlet.
  • the aforementioned feature combined with the preferred coating device has advantages for installation on a profiler, ie a conveyor belt chain: In the coating device, the medium is pushed in at the bottom with almost no pressure and then sucked through by the vacuum. As a result, the system is spit-free, ie no coating medium can spray out of the recess. The avoidance of coating medium spraying out can be guaranteed even if the vacuum fails due to a fault. By sucking through the medium at the coating device with negative pressure, one also has the advantage that the coating is homogeneous. Furthermore, there is no dependence on low-pulsation conveyor technology, which is complicated and error-prone.
  • a separating system is interposed in the medium flow direction between the vacuum device and the outlet, the separating system being designed to cut off the gas supplied to the vacuum device from the coating medium.
  • the separation system improves the quality of the coating medium in the conveyor circuit of the coating system.
  • the separation system has a sieve system for separating filtering of the coating medium from the gas. This is a simple and inexpensive way to separate the coating medium from the gas. Furthermore, a screening system is easier to clean and maintain.
  • the separating system has a cover for making the separating system accessible.
  • the cover can be made of acrylic glass. Such a cover enables the plant to be viewed during operation and at the same time enables the separation system to be easily cleaned.
  • a pump of the pumping system is interposed in the medium flow direction between the separating system and the inlet, with the pump being designed for dosing Conveying the coating medium up to the inlet.
  • the pump enables gentle conveyance of the medium to the coating. Even very small amounts can be continuously promoted. Both are advantages of the pump, which allow that the medium does not foam and that the coating process provides a homogeneous coating of good quality. The maintenance and cleaning of the entire system is also improved or made easier.
  • the pump is a shear-free pump.
  • the pump is a peristaltic pump, with the peristaltic pump in particular having a hose with chlorosulfonated polyethylene (CSM), with the hose in particular consisting of CSM.
  • CSM chlorosulfonated polyethylene
  • a peristaltic pump is one possible embodiment of a zero-shear pump that provides the advantages described in connection with the embodiment described above.
  • the hose made of CSM, or comprising CSM it has been found to be advantageous that there is a particularly high resistance to the coating medium.
  • a shear-free pump has the advantage that the coating medium is not foamed and thus the coating quality is increased.
  • pumps are also possible, for example a double diaphragm pump or pumps with a similar effect.
  • the pump and in particular a medium line cross section of the medium line system, is designed to convey the coating medium in such a way that the inlet with the coating medium has an inlet pressure greater than or equal to the medium pressure at the recess, preferably with a Inlet pressure greater than / equal to 3.5 ⁇ 10 ⁇ 3 Pa, particularly preferably with an inlet pressure of 10 ⁇ 4 Pa to 2 ⁇ 10 ⁇ 4 Pa fed.
  • the volume flow of the coating medium is set in such a way, for example by the dimensioning of the line, that the coating medium in the effective area of the recess is sucked off faster than it is fed in in the effective area of the inlet, in order to avoid introducing the coating medium into the coating device too quickly.
  • the sizing of Medium line cross sections can take into account the aspect that the coating medium foams less with smaller medium line cross sections. Gentler conveyance is also preferred. Smaller quantities can also be transported in the system, for example for smaller batches. Furthermore, there is the advantage that the coating medium is pressed into the coating device almost without pressure. This in turn enables a medium flow in the area of the recess to be better controlled by the suction generated.
  • a heater is connected between the separation system, in particular between the pump, and the inlet in the direction of medium flow, the heater being designed to heat the coating medium to a temperature in a range from 30 °C to 45 °C °C In this temperature range, foaming of the coating medium is significantly reduced or avoided, as a result of which the function of the coating system is significantly improved and failures can be avoided. Furthermore, there is the advantage that, regardless of the room temperature, homogeneous coating can always be carried out with the same application quantity.
  • FIG 1 shows a schematic view of the coating device 1 according to a preferred embodiment of the invention.
  • the coating device 1 is suitable for edge coating a panel 2 with a coating medium B.
  • the panel 2 is conveyed in one conveying direction during coating (see 3 ).
  • the conveyance direction and speed can be adjusted in accordance with a medium flow speed of the coating medium B.
  • the coating device 1 has: two medium lines 3, each designed for guiding the coating medium B, and each provided with an inlet 3a and an outlet 3b. Inlet 3a and outlet 3b are connected to a coating medium circuit of a coating system 100 (see 3 ) connected.
  • the coating medium B flows through each of the medium lines 3 in a medium flow direction M.
  • the medium lines 3 can be connected to the coating medium circuit individually or together, for example via a Y-shaped connector.
  • the coating device 1 can have a total width of 20 mm, for example.
  • the line diameter in the area of the outlet 3b or the outlet section 3B can be 19 mm for the medium lines 3.
  • Each of the medium lines 3 has a recess 3c for introducing the panel 2 into a coating medium flow.
  • the panel 2 is introduced into the coating medium flow of the coating medium B with one edge.
  • the coating medium B flows past the edge of the panel 2 and wets a surface of the panel 2 in the area of this edge.
  • the medium line 3 and the recess 3c are designed in such a way that the coating medium B can be applied to the edge 2a of the panel 2 by suction in the medium flow direction M.
  • the edge 2a includes the edge described above.
  • an edge profile of the recess 3c is adapted to the edge 2a of the panel 2 in a form-fitting manner.
  • the edge profile of the recess 3c is configured as a counter-profile to a profile of the edge 2a of the panel 2.
  • the above-described suction in the medium flow direction M favors an even medium flow and bubble-free conveying and coating of the panel 2.
  • the medium line 3 and the recess 3c are designed in such a way that a medium pressure acting as suction at the recess 3c is in a range of 3.5 ⁇ 10 ⁇ 3 Pa to 5.5 ⁇ 10 ⁇ 3 Pa for the coating medium B at the edge 2a of the Panels 2 is generated.
  • a medium pressure of 5 ⁇ 10 ⁇ 3 Pa is particularly preferred.
  • An aspect ratio of the recess 2a and a medium line cross section contribute to the desired medium pressure, as well as the structural design of the medium line 3.
  • the coating medium B is conveyed into the inlet 3a of the coating device 1 with an inlet pressure of 10 ⁇ 4 Pa to 2 ⁇ 10 ⁇ 4 Pa.
  • an inlet pressure 10 ⁇ 4 Pa to 2 ⁇ 10 ⁇ 4 Pa.
  • the recess 3c is arranged on an outside bend of a bent medium line section.
  • the kinked medium line section has an acute interior angle (alpha), the interior angle (alpha) being enclosed by an outlet piece 3B and an inlet piece 3A.
  • the inlet piece 3A which extends from the inlet 3a to the recess 3c, extends vertically when the medium line 3 is connected via the inlet 3a. The inlet 3a is then connected to the coating system 100 of the 3 connected.
  • the medium line 3 is U-shaped with two legs, the inlet piece 3A being a first leg and the outlet piece 3B extending in the medium flow direction M from the recess 3c to the casserole 3b being a second leg.
  • figure 2 12 shows another schematic view of the coating device 1 according to the preferred embodiment of the invention.
  • the two medium lines 3 can be viewed from a different perspective.
  • figure 3 shows a schematic view of a coating system 100 according to a preferred embodiment of the invention.
  • the coating system 100 has: a medium piping system 30 for guiding the coating medium B; a pump system connected to the medium line system 30 for conveying the coating medium B; and a coating device 1 connected to the medium line system 30 as described above.
  • the medium line system 30 has a number of valves 80 .
  • Part of the medium line system 30 is also a coating medium container 90, filled with the coating medium B.
  • the pump system has a vacuum device 40 downstream of the outlet in the medium flow direction M, with the vacuum device 40 and a medium line cross section of the medium line system 30 being designed to generate a negative pressure at the outlet 3b, i.e. to generate the suction behind the recess 3c.
  • a separating system 50 is interposed in the medium flow direction M between the vacuum device 40 and the outlet 3b.
  • the separating system 50 is designed to cut off the gas supplied by the vacuum device 40 from the coating medium B.
  • the separating system 50 has a sieve system 51 for the separating filtering of the coating medium B from the gas.
  • the separating system 50 also has a cover 52 made of acrylic glass, which is part of a housing 53 of the separating system 50 . The cover 52 can be opened in order to clean the separating system 50 or to view a production process in the separating system 50 .
  • the separation system 50 has a guide wall 54, which is designed to guide the gas-coating medium mixture to the screen system 51.
  • a pump 60 of the pump system designed as an example of a shear-free pump 60 is interposed, with the shear-free pump 60 being designed for metered transport of the coating medium B up to the inlet 3a.
  • the zero shear pump 60 is a peristaltic pump, the peristaltic pump having chlorosulfonated polyethylene (CSM) tubing. In principle, other pumps are also possible.
  • the shear-free pump 60 and a medium line cross-section of the medium line system 30 are designed to convey the coating medium B in such a way that the inlet 3a with the coating medium B has an inlet pressure greater than/equal to the medium pressure at the recess 3c, for example with an inlet pressure greater than 10 ⁇ 4 Pa , dines.
  • a heater 70 is interposed between the shear-free pump 60 and the inlet 3a.
  • the heater 70 is configured to heat the coating medium B to a temperature in a range of 30°C to 45°C.
  • FIG 4 shows a schematic view of a coating system according to the prior art.
  • the coating system has a medium line system Medium container 1400, which feeds the circuit with the medium for coating a panel 2.
  • Several valves 1700 are provided as part of the medium line system, valves with special functions being described in more detail below.
  • the medium is sucked out of a basic machine 1100 with a vacuum device 1200 configured as a double membrane pump through a filter configured as a medium filter 1300 .
  • the medium is then pumped into a pressure vessel with a pump 1500, which is a pulsation damper 1600.
  • the medium for coating is then conveyed to a coating head 1000 by the pressure of the pressure vessel.
  • the line for conveying the medium must first be vented.
  • the medium is then pressed at a constant pressure to the nozzle on the coating head 1000 via a ball valve 1800, which is designed as a metering valve.
  • the medium must then be sucked off with a constant negative pressure applied to the coating head 1000 .
  • a flow of medium is created at the nozzle of the coating head 1000.
  • the coating system then runs in a stationary state.
  • the medium is pumped in the circuit of the coating system.
  • the basic machine 1100 separates the medium for coating the panel 2 and a gas kept under negative pressure, which is required for coating and for the cycle.
  • the vacuum can no longer suck off the medium in a coating area of the coating head 1000, ie the nozzle, and the panel 2 is coated, ie painted.
  • the excess medium is sucked off and goes back into the cycle.
  • the volume regulation is manual and complicated to set.
  • the medium pressure in the coating head 1000 is between 15 ⁇ 10 4 Pa to 20 ⁇ 10 4 Pa to ensure that the panel 2 is sprayed or coated with the coating medium without tearing. Depending on the foaming caused by the spraying, there is an uneven coating on the panel 2.
  • FIG. 12 shows a flowchart of an exemplary coating process.
  • an edge 2a of the panel 2 is introduced into a coating medium flow via a recess 3c of the coating device 1.
  • the coating medium B is conveyed to the inlet 3a of the coating device 1 by means of a shear-free pump 60 arranged upstream of an inlet of the coating device 1 in the medium flow direction M.
  • the medium is pumped out of the separating system 50 with a peristaltic pump sucked, and is pumped through the designed as a continuous flow heater heater 70 to the coating device 1.
  • the coating medium B is pumped almost without pressure up to the inlet 3a of the coating device 1.
  • the coating medium B is conveyed within the coating device 1 by means of a vacuum device 40 downstream of an outlet of the coating device 1 in the direction of medium flow M.
  • the coating medium B is conveyed through the Coating device 1 sucked to the deposition system 50 out.
  • the coating medium B is separated by the separating system 50 from a gas subjected to negative pressure.
  • the medium can be gently filtered through the screen system 51 designed as a screen basket and the medium can be conveyed in the circuit of the coating system 100 .
  • an air-medium mixture is produced at the recess 3c of the coating device 1, which is designed with a counter-profile to the painting area of the panel 2. If a panel 2 is now moved past the coating device 1--regardless of the running direction--the panel 2 is coated in its coating area by the flow of the air-medium mixture, ie painted. The excess medium is sucked off and goes back into the circuit of the coating system 100. The quantity regulation of the coating medium is fully automated.

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Claims (14)

  1. Installation de revêtement (100) destinée au revêtement des bords d'un panneau (2) avec un produit de revêtement (B), l'installation (100) présentant
    un système de conduites pour le produit (30) permettant le guidage d'un produit de revêtement (B) ;
    un système de pompe raccordé au système de conduites pour le produit (30) permettant le transport du produit de revêtement (B) ; et
    au moins un dispositif de revêtement (1) raccordé au système de conduites pour le produit (30), le dispositif de revêtement (1) présentant
    au moins une conduite pour le produit (3) permettant de guider un produit de revêtement (B) avec une amenée (3a) et une évacuation (3b),
    dans laquelle la conduite pour le produit (3) présente une cavité (3c) pour la mise en place d'un panneau (2) dans un écoulement de produit de revêtement, et
    dans laquelle la conduite pour le produit (3) et la cavité (3c) sont conçues de telle manière que le produit de revêtement (B) puisse être rapporté sur le bord (2a) du panneau (2) par une aspiration dans la direction d'écoulement du produit (M) ;
    dans laquelle le système de pompe présente un dispositif de dépression (40) disposé après l'évacuation dans la direction d'écoulement du produit (M),
    dans laquelle le dispositif de dépression (40) est conçu pour créer une dépression au niveau de l'évacuation (3b).
  2. Installation de revêtement (100) selon la revendication 1,
    dans laquelle, en outre, une section transversale de conduite pour le produit du système de conduites pour le produit (30) est conçue pour créer une dépression au niveau de l'évacuation (3b).
  3. Installation de revêtement (100) selon la revendication précitée,
    dans laquelle un système de séparation (50) est interposé dans la direction d'écoulement du produit (M) entre le dispositif de dépression (40) et l'évacuation (3b),
    dans laquelle le système de séparation (50) est conçu pour la séparation du gaz amené par le dispositif de dépression (40) du produit de revêtement (B),
    dans laquelle, en particulier, le système de séparation (50) présente un système de tamis (51) pour la filtration de séparation du produit de revêtement (B) et du gaz,
    dans laquelle, en particulier, le système de séparation (50) présente un couvercle (52) permettant de rendre le système de séparation (50) accessible.
  4. Installation de revêtement (100) selon la revendication précitée,
    dans laquelle une pompe (60) du système de pompe est interposée dans la direction d'écoulement du produit (M) entre le système de séparation (50) et l'amenée (3a),
    dans laquelle la pompe (60) est conçue pour le transport dosable du produit de revêtement (B) jusqu'à l'amenée (3a).
  5. Installation de revêtement (100) selon la revendication précitée,
    dans laquelle la pompe (60) est une pompe sans cisaillement (60), de préférence une pompe péristaltique,
    dans laquelle la pompe péristaltique préférée présente un tuyau en polyéthylène chlorosulfoné, CSM,
    dans laquelle, en particulier, le tuyau est constitué de CSM.
  6. Installation de revêtement (100) selon l'une des revendications précitées 4 à 5,
    dans laquelle la pompe (60), et en particulier une section transversale de conduite pour le produit du système de conduites pour le produit (30) est conçue pour transporter le produit de revêtement (B) de telle manière que l'amenée (3a) alimente le produit de revêtement (B) avec une pression d'amenée supérieure/égale à la pression du produit au niveau de la cavité (3c), de préférence avec une pression d'amenée supérieure/égale à 3,5 × 103 Pa, de manière particulière préférée avec une pression d'amenée de 104 Pa à 2 × 104 Pa.
  7. Installation de revêtement (100) selon au moins l'une des revendications précitées 3 à 6,
    dans laquelle un réchauffeur (70) est interposé dans la direction d'écoulement du produit (M) entre le système de séparation (50), notamment entre la pompe (60), et l'amenée (3a),
    dans laquelle le réchauffeur (70) est conçu pour le réchauffement du produit de revêtement (B) jusqu'à une température dans une plage de 30 °C à 45 °C.
  8. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle le panneau (2) est un panneau (2) transporté.
  9. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle la conduite pour le produit (3) et la cavité (3c) sont conçues de telle manière que, pour une pression du produit au niveau de la cavité (3c) dans une plage de 3,5 × 103 Pa à 5,5 × 103 Pa, de préférence, pour une pression du produit de 5 × 103 Pa, le produit de revêtement (B) peut être rapporté sur le bord (2a) du panneau (2).
  10. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle la cavité (3c) et une section transversale de conduite pour le produit présentent un rapport d'aspect entre elles et la conduite pour le produit (3) s'étend de telle manière,
    que le produit de revêtement (B) peut être rapporté sur le bord (2a) du panneau (2) par une aspiration dans la direction d'écoulement du produit (M),
    en particulier, que pour une pression du produit dans une plage de 3,5 × 103 Pa à 5,5 × 103 Pa, de préférence pour une pression du produit de 5 × 103 Pa, le produit de revêtement peut être rapporté sur le bord (2a) du panneau (2).
  11. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle la cavité (3c) est disposée au niveau d'une inclinaison vers l'extérieur d'un segment de conduite pour le produit en forme de courbe ou pliée,
    dans laquelle, en particulier, le segment de conduite pour le produit en forme de courbe ou plié présente un angle intérieur aigu (alpha),
    dans laquelle, en particulier, une pièce d'amenée (3A), laquelle s'étend de l'amenée (3a) jusqu'à la cavité (3c), s'étend verticalement dans l'état raccordé de la conduite pour le produit (3) par le biais de l'amenée (3a).
  12. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle la conduite pour le produit (3) est conçue sous forme de U avec deux jambes,
    dans laquelle, en particulier, la pièce d'amenée (3A) est une première jambe et une pièce d'évacuation (3B) s'étendant dans la direction d'écoulement du produit (M) de la cavité (3c) jusqu'à l'évacuation (3b) est une deuxième jambe.
  13. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle un profil du bord de la cavité (3c) est conçu adapté par complémentarité des formes au bord (2a) du panneau (2),
    dans laquelle, en particulier, le profil de bord de la cavité (3a) est conçu adapté sous forme de profil complémentaire à un profil du bord (2a) du panneau (2).
  14. Installation de revêtement (100) selon au moins l'une des revendications précitées,
    dans laquelle deux conduites pour le produit (3) sont prévues pour le guidage du produit de revêtement.
EP20165261.7A 2020-03-24 2020-03-24 Revêtement de bord d'un panneau au moyen d'un revêtement Active EP3885052B1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
PL20165261.7T PL3885052T3 (pl) 2020-03-24 2020-03-24 Powlekanie krawędzi panelu środkiem powlekającym
EP20165261.7A EP3885052B1 (fr) 2020-03-24 2020-03-24 Revêtement de bord d'un panneau au moyen d'un revêtement
PT201652617T PT3885052T (pt) 2020-03-24 2020-03-24 Revestimento do bordo de um painel com um meio de revestimento
ES20165261T ES2937071T3 (es) 2020-03-24 2020-03-24 Recubrimiento del borde de un panel con un medio de recubrimiento
EP21713669.6A EP4126392A1 (fr) 2020-03-24 2021-03-24 Revêtement de bord d'un panneau avec un milieu de revêtement
CA3176079A CA3176079A1 (fr) 2020-03-24 2021-03-24 Revetement de bord d'un panneau avec un milieu de revetement
CN202180024285.0A CN115315319A (zh) 2020-03-24 2021-03-24 利用涂层介质进行边缘涂布的面板
KR1020227036394A KR20220149918A (ko) 2020-03-24 2021-03-24 코팅 매체로의 패널의 에지 코팅
BR112022018188A BR112022018188A2 (pt) 2020-03-24 2021-03-24 Revestimento de borda de um painel com um meio de revestimento
PCT/EP2021/057577 WO2021191280A1 (fr) 2020-03-24 2021-03-24 Revêtement de bord d'un panneau avec un milieu de revêtement
US17/913,243 US11779951B2 (en) 2020-03-24 2021-03-24 Edge-coating a panel with a coating medium
MX2022011924A MX2022011924A (es) 2020-03-24 2021-03-24 Recubrimiento de bordes de un panel con un medio de recubrimiento.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20165261.7A EP3885052B1 (fr) 2020-03-24 2020-03-24 Revêtement de bord d'un panneau au moyen d'un revêtement

Publications (2)

Publication Number Publication Date
EP3885052A1 EP3885052A1 (fr) 2021-09-29
EP3885052B1 true EP3885052B1 (fr) 2022-11-30

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EP20165261.7A Active EP3885052B1 (fr) 2020-03-24 2020-03-24 Revêtement de bord d'un panneau au moyen d'un revêtement
EP21713669.6A Pending EP4126392A1 (fr) 2020-03-24 2021-03-24 Revêtement de bord d'un panneau avec un milieu de revêtement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21713669.6A Pending EP4126392A1 (fr) 2020-03-24 2021-03-24 Revêtement de bord d'un panneau avec un milieu de revêtement

Country Status (11)

Country Link
US (1) US11779951B2 (fr)
EP (2) EP3885052B1 (fr)
KR (1) KR20220149918A (fr)
CN (1) CN115315319A (fr)
BR (1) BR112022018188A2 (fr)
CA (1) CA3176079A1 (fr)
ES (1) ES2937071T3 (fr)
MX (1) MX2022011924A (fr)
PL (1) PL3885052T3 (fr)
PT (1) PT3885052T (fr)
WO (1) WO2021191280A1 (fr)

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Publication number Priority date Publication date Assignee Title
IT202200005726A1 (it) * 2022-03-23 2023-09-23 Cefla Soc Cooperativa Testa vacuum per la verniciatura di bordi di pannelli

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CN115315319A (zh) 2022-11-08
KR20220149918A (ko) 2022-11-09
BR112022018188A2 (pt) 2022-10-25
PL3885052T3 (pl) 2023-03-27
MX2022011924A (es) 2022-12-02
CA3176079A1 (fr) 2021-09-30
PT3885052T (pt) 2023-01-30
WO2021191280A1 (fr) 2021-09-30
ES2937071T3 (es) 2023-03-23
EP3885052A1 (fr) 2021-09-29
US11779951B2 (en) 2023-10-10
US20230166286A1 (en) 2023-06-01
EP4126392A1 (fr) 2023-02-08

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