EP4540000A1 - Vorrichtung und verfahren zum auftragen eines auftragsmediums auf ein werkstück - Google Patents
Vorrichtung und verfahren zum auftragen eines auftragsmediums auf ein werkstückInfo
- Publication number
- EP4540000A1 EP4540000A1 EP23733284.6A EP23733284A EP4540000A1 EP 4540000 A1 EP4540000 A1 EP 4540000A1 EP 23733284 A EP23733284 A EP 23733284A EP 4540000 A1 EP4540000 A1 EP 4540000A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transfer wheel
- transfer
- application medium
- medium
- application
- 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- Withdrawn
Links
Classifications
-
- 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
-
- 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/006—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
-
- 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
Definitions
- the present invention relates to a device for applying an application medium, in particular a coating medium and/or a sealing medium, to a workpiece.
- the invention further relates to a method for applying an application medium, in particular a coating medium and/or a sealing medium, to a workpiece.
- Such devices are used, for example, in production facilities for the production of floor elements.
- floor elements When installed, floor elements may not be arranged exactly aligned in height due to manufacturing tolerance deviations or as a result of joining errors.
- they In order to avoid any tripping over the floor elements and to enable the floor elements to be walked on without impact, they are typically provided with chamfers, i.e. beveled surfaces, on their edges.
- chamfers i.e. beveled surfaces
- Such chamfers are often also provided on workpieces that are designed as door leaves or ceiling panels.
- the device has a container for holding a bath of the application medium.
- the application medium is picked up from the bath with a first transfer wheel, which functions as a pick-up wheel and is rotatably mounted about a first axis of rotation.
- the first transfer wheel is at least partially brought into physical contact with the application medium in the bath.
- a second transfer wheel which functions as an application wheel and is rotatably mounted about a second axis of rotation, the application medium can be applied to the workpiece, in particular to a chamfer of a floor element of the door leaf or the ceiling panel.
- the use of two transfer wheels offers the possibility that the second transfer wheel can have a different orientation than the first transfer wheel.
- the two transfer wheels are designed to be differently inclined and/or tiltable relative to one another in order to be able to coat, impregnate, seal or the like at different bevel angles.
- the second transfer wheel can be arranged horizontally, ie essentially in a plane perpendicular to gravity.
- a horizontal arrangement of the second transfer wheel can have the advantage that workpieces, in particular floor elements, door leaves or ceiling panels, can be coated whose decorative side faces upwards. Chamfers can thus be machined on the top side of the workpieces, ie on a side of the workpieces facing away from the direction of gravity.
- the top side which acts as the decorative side of the workpiece, can be advantageously protected from unwanted contamination, since the application medium can flow along the bevel or along the bevel angle under the influence of the earth's gravity.
- the application medium can therefore, at most, flow into sections of the workpiece that are less relevant to the appearance, technology and quality of the workpiece, without affecting the decorative side.
- the decorative side can go through the manufacturing process visually, technically and qualitatively undamaged.
- An advantageous embodiment of the invention provides that the second transfer wheel is set up to receive the application medium picked up by the first transfer wheel directly from the first transfer wheel.
- the application medium picked up from the bath by the first transfer wheel through physical contact can be transferred to the second transfer wheel without contact, solely through adhesion forces.
- the first and second transfer wheels can be spaced apart on their respective circumferences.
- a preferred embodiment of the invention provides at least a third rotatable transfer wheel, which is set up to transfer the application medium picked up by the first rotatable transfer wheel to the second transfer wheel, the second transfer wheel being set up to transfer the application medium picked up by the first transfer wheel from the to accommodate at least a third transfer wheel.
- the application medium can be transferred indirectly from the first to the second transfer wheel. Therefore, advantageously, for example, structurally required elements, devices and the like which are formed within the device and which make direct transfer of the application medium from the first to the second transfer wheel more difficult can be spatially bypassed or circumvented.
- the application medium picked up from the bath by the first transfer wheel through physical contact can be transferred to the one or more third transfer wheels without contact, solely through adhesion forces.
- the transfer of the application medium between several third transfer wheels can be carried out contactlessly.
- the device has a receiving area in which the application medium can be received on the second rotatable transfer wheel, and has an application area in which the application medium can be applied to the workpiece by the second rotatable transfer wheel, wherein the receiving area is arranged higher in the effective direction of the earth's gravity than the application area.
- the receiving area is arranged higher in the effective direction of the earth's gravity than the application area.
- the device has a receiving area in which the application medium can be received on the second rotatable transfer wheel, and has an application area in which the application medium can be applied to the workpiece by the second rotatable transfer wheel, wherein the receiving area is arranged at the same height as the application area in the effective direction of the earth's gravity.
- the transfer wheel can be designed horizontally, i.e. in a plane perpendicular to the direction of gravitational acceleration. The same advantages apply to a horizontally designed second transfer wheel as to the inclined second transfer wheel, in which the receiving area is arranged higher than the application area.
- the transfer wheels each have a disk-shaped section, each with a first and a second side surface, the side surfaces being circular and arranged parallel to one another, the two side surfaces of each transfer wheel each having a different diameter.
- a different centrifugal force can act on the application medium on a circumferential line of the first side surface than on a circumferential line of the parallel second side surface.
- a connecting section of the two circumferential lines can be formed non-perpendicular to the side surfaces.
- the connecting section can be geometrically adapted to the chamfer of the workpiece.
- the application medium can be picked up and released mainly via the connecting sections of a respective transfer wheel.
- all transfer wheels each have a peripheral surface, with at least one of the peripheral surfaces having a contour.
- the circumferential surface of the respective transfer wheels can be designed in a variety of ways between the circumferential lines of their two side surfaces.
- the peripheral surfaces can be smooth.
- the disc-shaped sections of the transfer wheels can be designed as a truncated cone, with the side surfaces of the transfer wheels corresponding to the base and top surfaces of the truncated cone, and the Circumferential surface of the transfer wheels correspond to the lateral surface of the truncated cone.
- the peripheral surfaces can have contouring, ie not be smooth.
- the contouring can preferably be adapted to the profile of the workpiece or floor element, the door leaf or the ceiling panel.
- the contouring can have elevations or projections as well as depressions in the peripheral surface.
- all transfer wheels each have a peripheral surface, with at least one of the peripheral surfaces comprising an absorbent transfer element, in particular a foam rubber.
- the application medium can advantageously be transferred to another transfer wheel or the workpiece using contact.
- the application medium can be temporarily stored in pores of the - preferably elastic and / or flexible - transfer element.
- Transmission elements can have different degrees of porosity.
- transmission elements can be arranged on both smooth and contoured peripheral surfaces.
- a housing which includes all transfer wheels, with the second transfer wheel protruding at least partially beyond a housing opening.
- a housing can protect the transfer wheels, the bath, the application medium and other components of the device from the entry of undesirable substances, particles and the like. Furthermore, accommodating a variety of components within a common housing can facilitate transportation and assembly.
- the last transfer wheel arranged in the effective path of all transfer wheels, the second transfer wheel protrudes through a housing opening in order to coat, impregnate or seal a chamfer of the workpiece or floor element, the door leaf or the ceiling panel.
- a further development of the immediately preceding embodiment of the invention provides a supply line for supplying a medium, in particular moist air, into a housing interior in order to produce an overpressure in the housing interior.
- the supply of a gaseous medium into the housing interior of the device can generate a slight excess pressure compared to the immediate ambient atmosphere.
- the excess pressure can advantageously prevent foreign substances from the environment, such as dust, from penetrating into the interior of the housing. Because the medium passes through the housing opening at the same time escapes, in order to maintain the excess pressure, a larger volume or mass flow of medium can be supplied to the interior of the housing than can flow out through the housing opening.
- the cross section or size of the housing opening can also be selected or determined during the construction phase. It is conceivable - analogous to a cover - to have a variable cross section of the housing opening, for example by means of a foldable element or one that can be moved along a housing guide to expand or reduce the size of the housing opening.
- moist air as a medium
- the advantage can be achieved that, especially when using water-based paints, the application medium does not dry out.
- a cooling device for controlling the temperature of the application medium.
- the device can have a wall in which a cooling channel is arranged for passing a coolant through.
- a coolant can therefore preferably be used for temperature control, which is conveyed through a cooling channel in a wall of the container.
- the cooling channel can be designed in a meandering shape.
- the cooling channel can be formed on at least two, in particular opposite, sides of the wall. For a compact design on the one hand and a good connection of the cooling channel to a tank on the other hand, an inlet and an outlet connection of the cooling channel can be formed on the same side of the device.
- An advantageous embodiment of the invention provides at least one scraper for wiping the application medium from at least one of the transfer wheels, preferably from the first or the second transfer wheel.
- the right amount of application medium is required on the intended sections, for example joining surfaces or bevels.
- the wiper can wipe off excess volumes of application medium from the transfer wheel. The amount to be stripped off can preferably be adjusted by changing the position of the scraper relative to the transfer wheel.
- a further subject of the invention is a method for applying an application medium, in particular a coating medium and/or a sealing medium, to a workpiece, in particular a floor element, a door leaf or a ceiling panel, wherein the application medium is picked up from a bath by means of a first rotatable transfer wheel, and wherein the application medium picked up by the first transfer wheel is applied to the workpiece by means of a second rotatable transfer wheel.
- an application medium in particular a coating medium and/or a sealing medium
- the transfer of the application medium between the transfer wheels and from the second transfer wheel to the workpiece takes place without contact.
- the application medium can be transferred between the transfer wheels and/or from the second transfer wheel to the workpiece using contact.
- the transfer wheels are driven at a different angular speed.
- Different angular velocities are fundamentally accompanied by different circumferential speeds of the transfer wheels.
- a difference in the angular velocities can promote the transfer of the application medium through friction.
- the application medium temporarily stored in the pores or in the unevenness of the surface of the transfer element can be transported or pressed out of the pores by physical contact.
- the transfer wheels are driven to rotate in opposite directions.
- the counter-rotation of the transfer wheels can be beneficial for the transfer of the application medium, since the friction between the transfer wheels as a result of the counter-rotation or as a result of the increase in the relative speed between the transfer wheels are increased on their circumferential lines.
- the advantageous embodiments and features explained in connection with the device according to the invention can be used in the method.
- FIG. 1 shows a device according to a first exemplary embodiment of the invention in a side view
- FIG. 2 shows a schematic sectional view of the device according to a second exemplary embodiment of the invention
- 3a shows a schematic detailed view of an application area of the device with the decorative side of a workpiece pointing in the direction of gravitational acceleration in a side view;
- 3b shows a schematic detailed view of an application area of the device with the decorative side of the workpiece facing counter to the direction of gravitational acceleration in a side view;
- Fig. 4 is a schematic detailed view of an application area of the device with a contoured transfer wheel in a side view.
- the device 1 shows a first embodiment of a device 1 according to the invention for applying an application medium, here a water-based paint, to a workpiece 3, here a floor element 3.
- the device 1 comprises a first rotatable transfer wheel 11 which, at least partially, is arranged in a container 5.
- a bath 7 arranged within the container 5, which is not visible in FIG. 2 is shown.
- the device 1 has a second rotatable transfer wheel 12, wherein the second transfer wheel 12 is designed to be rotatable about a second axis of rotation 12 ', which is also shown in FIG. 2.
- the application medium can be transferred from the first transfer wheel 11 to the second transfer wheel 12 by adhesion forces.
- the application medium can then be transferred from the second transfer wheel 12 to a chamfer F of the floor element 3 by adhesion forces be applied.
- the application coats the bevel F and protects it from external influences such as moisture and dirt.
- the second embodiment of the device 1 includes, in addition to the first transfer wheel 11 and the second transfer wheel 12, also a third transfer wheel 13.
- the third transfer wheel 13 is rotatably mounted about a third axis of rotation 13 ' and is arranged between the first and the second transfer wheel 11, 12. All three transfer wheels 11, 12, 13 each have a first side surface Sn', S12, S13 and a second side surface Sn", S12", S13", all side surfaces Sn', S12, S13, S11", S12", S13 “are circular.
- the side surfaces Sn, S12', S13, Sn", S12", S13" each belonging to a transfer wheel 11, 12, 13 are arranged parallel to one another.
- a smooth peripheral surface Ui, U2, U3 is formed between the two side surfaces Sn, S12, S13, Sn", S12", S13" of each transfer wheel 11, 12, 13, so that each transfer wheel 11, 12, 13 is designed as a truncated cone .
- the first side surfaces Sn, S12, S13 have a different diameter than the second side surfaces Sn", S12", S13", so that the peripheral surfaces Ui, U2, U3 are not perpendicular to the associated side surfaces Sn, S12 ', S13", S11", S12", S13" are aligned.
- the first transfer wheel 11 picks up the application medium from the bath 7, not shown in FIG 1 the transfer of the application medium from the peripheral surface U3 of the third transfer wheel 13 to the peripheral surface U2 of the second transfer wheel 12.
- the application i.e. the transfer of the application medium from the peripheral surface U2 of the second transfer wheel 12 takes place in an application area 23 of the device 1 onto a bevel F of the floor element 3.
- the receiving area 21 is arranged higher than the application area 21, so that the chamfer F and a decorative side 3 'of the floor element 3 are arranged on a side of the floor element 3 facing away from the direction of gravitational acceleration g. In other words, the chamfer F and the decorative side 3 'are arranged on an upper side of the floor element 3.
- the disadvantages of processing the floor element 3, in which the chamfer F and the decorative side 3 'are arranged on an underside, are discussed in the description of Fig. 3a and Fig. 3b.
- the embodiment of the invention with more than two transfer wheels 11, 12, as shown for example in FIG. 2, is particularly suitable for bypassing Interfering contours K of the device 1.
- Several third transfer wheels 13 are also conceivable to avoid interfering contours.
- the application area 23 of the device 1 is shown schematically with the second transfer wheel 12 arranged horizontally, i.e. in a plane perpendicular to the gravitational acceleration g.
- the decorative side 3 ' is arranged below the floor element 3.
- the application medium which is arranged in a gap between the peripheral surface U2 and the chamfer F of the floor element 3 and is not shown, experiences a centrifugal force F 'as a result of the rotation of the second transfer wheel 12.
- a weight force G acts on the application medium in the direction of gravitational acceleration g.
- a force R resulting from the centrifugal force F' and the weight G in combination with geometric and manufacturing conditions can, at least partially, cause the application medium to flow onto the decorative side 3' and thus impair it visually, tactilely and technically.
- the flow of the application medium is illustrated with a dashed freehand arrow. This embodiment shown in FIG. 3a represents a suboptimal solution.
- the second transfer wheel 12 can be arranged in such a way that an application on an upward-pointing chamfer F is possible.
- the decorative side 3' of the floor element 3 can point upwards.
- the application medium can flow downwards under the influence of the resulting force, whereby the decorative side 3 ' arranged on an upper side of the floor element 3 in FIG. 3b remains undamaged by the application medium.
- Excessive amounts of application medium which could cause the application medium to rise along the gap between the peripheral surface U2 and the chamfer F, can advantageously be prevented by controlling the amount using a scraper arranged in particular on the first transfer wheel 11.
- a contoured second transfer wheel 12 is shown schematically in a side view.
- the peripheral surface U2 is geometrically adapted to the floor element 3. Excessive amounts of application medium can be advantageously prevented by means of a scraper arranged in particular on the second transfer wheel 12.
- the exemplary embodiments explained above show devices 1 for applying an application medium, in particular a coating medium and/or a sealing medium, to a workpiece 3, in particular a floor element, with a Container 5 for receiving a bath 7 of the application medium, with a first rotatable transfer wheel 11, which is adapted to receive the application medium from the bath 7, and with a second rotatable transfer wheel 12, which is adapted to receive the first rotatable transfer wheel 11 to apply the applied application medium to the workpiece 3.
- the device can be configured for applying an application medium to a door leaf or to a ceiling panel.
Landscapes
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022206051 | 2022-06-15 | ||
| PCT/EP2023/066013 WO2023242299A1 (de) | 2022-06-15 | 2023-06-14 | Vorrichtung und verfahren zum auftragen eines auftragsmediums auf ein werkstück |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4540000A1 true EP4540000A1 (de) | 2025-04-23 |
Family
ID=86904268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23733284.6A Withdrawn EP4540000A1 (de) | 2022-06-15 | 2023-06-14 | Vorrichtung und verfahren zum auftragen eines auftragsmediums auf ein werkstück |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4540000A1 (de) |
| WO (1) | WO2023242299A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9318650U1 (de) * | 1993-12-06 | 1995-02-16 | Anton Heggenstaller AG, 86556 Kühbach | Auftragevorrichtung für die Beschichtung mit Lack o.dgl. |
| EP1228812A1 (de) * | 2001-01-31 | 2002-08-07 | Rockwool International A/S | Verfahren und Vorrichtung zum Beschichten von Rändern von Mineralfaserplatten |
| SE527570C2 (sv) * | 2004-10-05 | 2006-04-11 | Vaelinge Innovation Ab | Anordning och metod för ytbehandling av skivformat ämne samt golvskiva |
-
2023
- 2023-06-14 WO PCT/EP2023/066013 patent/WO2023242299A1/de not_active Ceased
- 2023-06-14 EP EP23733284.6A patent/EP4540000A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023242299A1 (de) | 2023-12-21 |
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