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EP3548191B1 - Dispositif à buses comprenant au moins deux plaques à buses et au moins trois ouvertures - Google Patents

Dispositif à buses comprenant au moins deux plaques à buses et au moins trois ouvertures Download PDF

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Publication number
EP3548191B1
EP3548191B1 EP17816557.7A EP17816557A EP3548191B1 EP 3548191 B1 EP3548191 B1 EP 3548191B1 EP 17816557 A EP17816557 A EP 17816557A EP 3548191 B1 EP3548191 B1 EP 3548191B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
nozzle plate
emission
opening
openings
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
EP17816557.7A
Other languages
German (de)
English (en)
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EP3548191A1 (fr
Inventor
Bernd Kraft
Dmitri NOAK
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP3548191A1 publication Critical patent/EP3548191A1/fr
Application granted granted Critical
Publication of EP3548191B1 publication Critical patent/EP3548191B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B05B1/044—Slits, e.g. narrow openings defined by two straight and parallel lips; Elongated outlets for producing very wide discharges, e.g. fluid curtains
    • 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
    • B05C5/0254—Coating heads with slot-shaped outlet
    • 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
    • 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
    • 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
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • 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
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0846—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with jets being only jets constituted by a liquid or a mixture containing a liquid

Definitions

  • the invention relates to a nozzle device for dispensing at least one viscous, in particular highly viscous dispensing medium onto a component, preferably for dispensing the dispensing medium onto a fold (e.g. standing seam), an edge or a transition seam of the component.
  • the component is preferably a motor vehicle component (e.g. a motor vehicle body component), but can also be e.g. B. a component of a commercial vehicle (z. B. a commercial vehicle body part), a component of an aircraft, a window (z. B. a window pane) or a facade component.
  • a nozzle device with nozzle plates arranged next to one another for the delivery of a plurality of jets of a medium of high viscosity is in itself off US 4,476,165A known.
  • U.S. 2013/011552 A1 discloses a nozzle assembly for dispensing liquid adhesive having a plurality of nozzle plates from which the adhesive is dispensed between converging jets of compressed air.
  • standing seams (z. B. component edges), as z. B. occur in the sill area or on the side members of a motor vehicle, using conventional, robot-guided flat jet nozzles (also called flatstream nozzles) made of hard metal.
  • PVC polyvinyl chloride
  • the standing seam is sealed with PVC (PVC: polyvinyl chloride) on at least one and possibly also on both sides.
  • a robot program is usually created in such a way that the lower edge of the spray jet emitted from the nozzle is applied a few millimeters under the standing seam and thus past it (“shot past”).
  • the pvc material which is applied to one side of the standing seam, wraps around the seam edge to a certain extent and thus seals the lower side of the standing seam, which is susceptible to corrosion.
  • the requirements for a conventional PVC seam are usually 15 mm to 25 mm seam width and 1.5 mm to 2.5 mm seam height. So that this can be achieved with a structurally limited nozzle, the slit opening of the conventional flat spray nozzle is convex, so that the jet width of the spray jet increases towards the standing seam and thus towards the delivery side.
  • a particular disadvantage of the prior art described above is that part of the PVC material released is “shot past” the standing seam due to the process. The consequence of this is that the robot guiding the flat jet nozzle and/or the application cell in which the method is carried out becomes soiled, and this results in an increased cleaning effort. Due to component tolerances that are usually present in motor vehicle bodies, the application usually cannot be adjusted differently. The component tolerances also mean that the standing seam has to be applied from both sides. Joined sheet metal edges e.g. B. differ in length from body to body.
  • An object of the invention is to create a possibility, by means of the application processes for dispensing a viscous dispensing medium onto a component, e.g. B. a fold, an edge or a transition seam of the component, are flexible and can therefore be carried out efficiently and preferably in addition the required amount of the release medium can be reduced.
  • a component e.g. B. a fold, an edge or a transition seam of the component
  • the invention relates to a nozzle device for dispensing at least one dispensing medium onto a component, preferably onto a fold (e.g. standing seam), an edge or a transition seam of the component.
  • a fold e.g. standing seam
  • the component is preferably a motor vehicle component, e.g. B. a motor vehicle body.
  • the component can also z. B. a component of a commercial vehicle (z. B. a commercial vehicle body part), a component of an aircraft, a window (z. B. a window pane) or a facade component.
  • Areas of application for the nozzle device are therefore in particular: motor vehicles, commercial vehicles, aircraft, windows and/or facade construction.
  • the nozzle device comprises at least two, preferably at least three, nozzle plates arranged next to one another, in particular Nozzle plates arranged essentially parallel next to one another.
  • a first nozzle plate comprises at least one opening for discharging at least one discharge jet and a second nozzle plate comprises at least two openings for discharging at least two discharge jets.
  • a second nozzle plate comprises at least two openings for discharging at least two discharge jets.
  • B also a nozzle plate with at least three openings possible.
  • the nozzle device has at least three openings, different quality requirements can be realized with one and the same nozzle device and/or different configurations of the component to be provided with the dispensing medium can be processed, in particular without changing the nozzle.
  • the jet from the first nozzle plate can be used for a specific purpose, while the jets from the second nozzle plate can be used for a different purpose.
  • the beam from the first nozzle plate and the beams from the second nozzle plate can, depending on the intended use, e.g. B. also be issued simultaneously.
  • the at least one delivery jet from the first nozzle plate defines a jet width and the first nozzle plate has an opening configuration for forming the at least one opening and the opening configuration is concave, in particular curved concave, in order to narrow the To effect beam width towards the delivery side.
  • the beam width can e.g. B. comprise a single emission jet, if the aperture configuration has only a single aperture for delivery of a single emission jet.
  • the beam width can e.g. B. comprise at least two emission jets, if the opening configuration has at least two openings for the emission of at least two emission jets.
  • the at least two emission beams can define a beam width comprising the at least two emission beams, so that the beam width comprising the at least two emission beams can be narrowed towards the emission side.
  • the at least two openings of the second nozzle plate can be aligned inwards, so that the at least two discharge jets of the second nozzle plate approach one another on the discharge side.
  • the two emission beams can e.g. B. form a taper angle of greater than 5°, greater than 10°, greater than 15°, greater than 90°, greater than 95° or greater than 100° and less than 180°.
  • the first nozzle plate has an inlet opening for a delivery medium and the second nozzle plate has an inlet opening for a delivery medium and the inlet opening of the first nozzle plate and the inlet opening of the second nozzle plate are spatially separated from one another.
  • the nozzle device prefferably has a supply channel for the delivery medium, via which the delivery medium can be guided to the at least one opening in the first nozzle plate and also to the at least two openings in the second nozzle plate.
  • the at least one opening of the first nozzle plate and the at least two openings of the second nozzle plate can expediently be brought into fluid connection with the same supply channel in order preferably to apply the same dispensing medium.
  • the nozzle device has at least one expediently controllable valve (e.g. a needle valve) and the valve for selectively activating and/or deactivating a delivery of a delivery medium from the at least one opening of the first nozzle plate and/or a delivery of a delivery medium is executed from the at least two openings of the second nozzle plate.
  • a expediently controllable valve e.g. a needle valve
  • the nozzle device can, for. B. include a base member (preferably a base member) for the at least two nozzle plates and in the base member z. B. a first supply section for supplying the discharge medium to the first nozzle plate and a second supply section for supplying the discharge medium to the second nozzle plate can be arranged.
  • the first feed section is expediently used to feed the dispensing medium to the at least one opening of the first nozzle plate.
  • the second feed section is expediently used to feed the dispensing medium to the at least two openings of the second nozzle plate.
  • the base component can e.g. B. above, below and / or laterally next to the at least two nozzle plates.
  • the first feed section and the second feed section can preferably be supplied with dispensing medium through the feed channel.
  • valve is used to selectively open and/or close the first feed section and/or the second feed section and for this purpose z. B. can protrude into the first feed section and / or the second feed section.
  • the valve can preferably be accommodated at least in sections in the base component.
  • the nozzle device prefferably has a plate holder for holding the at least two nozzle plates and/or for accommodating the base component.
  • the plate holder can, for. B. include two clamping parts (z. B. clamping plates).
  • the plate holder and / or the base component can, for. B. be part of an application head on which preferably several nozzle arrangements aligned in different spatial directions are arranged, of which at least one as a nozzle device as disclosed herein.
  • the application head is usually z. B. referred to as 3D (application) head or 3D gun.
  • valve is at least partially accommodated in the plate holder, e.g. B. in a clamping part of the plate holder.
  • the at least one opening of the first nozzle plate can, for. B. be designed as a slit opening for the delivery of a flat jet.
  • the at least two openings of the second nozzle plate can be designed as slotted openings for the delivery of two flat jets.
  • the at least two openings of the second nozzle plate prefferably be aligned in the same plane or at least to be aligned parallel to one another.
  • the at least one opening of the first nozzle plate on the one hand and the at least two openings of the second nozzle plate on the other hand are offset from one another in the transverse direction of the first nozzle plate and the second nozzle plate, but are preferably aligned in essentially parallel planes.
  • the first nozzle plate can comprise a horn structure protruding on two sides with two inner flanks shaped inward, in order to deflect inwards the delivery medium discharged from the at least one opening of the first nozzle plate.
  • the second nozzle plate can comprise a horn structure protruding on two sides with two inner flanks shaped inward, in order to inwardly deflect the delivery medium discharged from the at least two openings of the second nozzle plate.
  • the nozzle device can comprise at least three or even at least four nozzle plates.
  • a third nozzle plate can e.g. B. serve to close the at least one opening of the first nozzle plate and / or the at least two openings of the second nozzle plate in the circumferential direction.
  • the first nozzle plate can e.g. B. be used to close the at least two openings of the second nozzle plate in the circumferential direction.
  • the second nozzle plate can be used to close the at least one opening of the first nozzle plate in the circumferential direction.
  • At least two of the following nozzle plates be complementary to one another at least in sections on the discharge side, in order to preferably be essentially flush with one another: the first nozzle plate, the second nozzle plate and/or the third nozzle plate.
  • the third nozzle plate can be a dummy plate, expediently without its own incorporated material channel for guiding delivery medium. It is possible for the nozzle device to have one or more such third nozzle plates, preferably designed as dummy plates.
  • the delivery medium is a viscous, in particular highly viscous delivery medium (e.g. PVC: polyvinyl chloride).
  • the opening width of the at least one opening of the first nozzle plate and/or the at least two openings of the second Nozzle plate can e.g. B. have a value between 0.2 mm and 0.5 mm.
  • the first nozzle plate preferably includes only a single opening.
  • the first nozzle plate can also include multiple openings and z. B. be designed like the second nozzle plate.
  • the disclosure made herein regarding the second nozzle plate can expediently also apply to the first nozzle plate and vice versa, so that the first nozzle plate can expediently be used e.g. B. how the second nozzle plate can be formed and vice versa.
  • the application medium can, for. B. PVC (polyvinyl chloride) and / or a PVC plastisol.
  • the features “concave” and “curved concave” preferably include configurations that are essentially arcuately concave, but are not restricted to this; B. include linear concave configurations.
  • figure 1 shows a side view of a nozzle device 1 with three nozzle plates 10, 20, 30, wherein figure 2 a sectional view of the nozzle plate 10, figure 3 a sectional view of the nozzle plate 20 and figure 4 shows a sectional view of the nozzle plate 30.
  • FIG. 1 shows a side view of a nozzle device 1 with three nozzle plates 10, 20, 30, wherein figure 2 a sectional view of the nozzle plate 10, figure 3 a sectional view of the nozzle plate 20 and figure 4 shows a sectional view of the nozzle plate 30.
  • FIG. 1 shows a side view of a nozzle device 1 with three nozzle plates 10, 20, 30, wherein figure 2 a sectional view of the nozzle plate 10, figure 3 a sectional view of the nozzle plate 20 and figure 4 shows a sectional view of the nozzle plate 30.
  • the nozzle device 1 is below with joint reference to the Figures 1 to 4 described.
  • the nozzle device 1 is used to deliver a viscous delivery medium to a component 100, z. B. motor vehicle component 100, preferably on a fold, an edge or a transition seam of the motor vehicle component 100.
  • the nozzle device 1 comprises three nozzle plates 10, 20, 30 arranged essentially parallel to one another.
  • the first nozzle plate 10 comprises an opening 1.1 designed as a slit opening for delivering a delivery jet 51.1 in the form of a flat jet and an inlet opening E1 for the delivery medium, via which the delivery medium can be fed to the opening 1.1.
  • the second nozzle plate 20 comprises two openings 2.1, 2.2 designed as slit openings (as shown or concave or convex) for the delivery of two flat jets S2.1, S2.2 and an inlet opening E2 for the delivery medium, spatially separate from the inlet opening E1, via which the Delivery medium can be supplied to the two openings 2.1, 2.2.
  • An opening configuration K for forming the opening 1.1 is expediently curved and concave in shape in order to bring about a narrowing of the jet width towards the discharge side A.
  • the two openings 2.1, 2.2 of the second nozzle plate 20 are oriented inwards, so that the two discharge jets S2.1, S2.2 of the second nozzle plate 20 approach one another towards the discharge side A.
  • the second nozzle plate 20 in particular its rear side, is used to close the opening 1.1 and a material feed M1 incorporated into the first nozzle plate 10 for the dispensing medium in the circumferential direction.
  • a third nozzle plate 30 is used to close the openings 2.1, 2.2 and a material feed M2 incorporated into the second nozzle plate 20 for the dispensing medium in the circumferential direction.
  • FIG. 1 A comparison of Figures 1 to 4 shows that the first nozzle plate 10, the second nozzle plate 20 and the third nozzle plate 30 are designed to complement each other in sections on the discharge side.
  • a protruding horn structure 3.1, 3.2 is arranged on both sides on the outside next to the opening 1.1.
  • the horn structure 3.1, 3.2 includes two inwardly shaped inner flanks 4.1, 4.2.
  • the inner flanks 4.1, 4.2 are designed to act on the emission jet S1.1 emitted from the opening 1.1, so that it can be deflected inwards.
  • the horn structure 3.1, 3.2 is optional.
  • the output beam 51.1 tapers due to the expediently curved concave opening configuration K even without the optional horn structure 3.1, 3.2.
  • the nozzle device 1 and the motor vehicle component 100 in particular z. B. a fold, an edge or a transition seam of the motor vehicle component 100, be aligned substantially frontally to each other.
  • the jet 51.1 from the first nozzle plate 10 can be used for applications in which both side surfaces 101, 102 and the end face 103 of the motor vehicle component 100 are to be applied with the dispensing medium, despite the essentially frontal orientation due to its narrowing of the jet width.
  • the jets S2.1, S2.2 from the second nozzle plate 20 can be used for purposes of application in which, in particular, the side surfaces 101, 102 are to be applied with the dispensing medium, despite the essentially frontal orientation due to their inward orientation.
  • the dispensing medium can be dispensed from the opening 1.1, while the dispensing medium is not dispensed from the two openings 2.1, 2.2.
  • the nozzle device 1 can be one or more in the Figures 1 to 4 include valves not shown.
  • the dispensing medium can be dispensed from the two openings 2.1, 2.2, while the dispensing medium is not dispensed from the opening 1.1.
  • the dispensing medium can be dispensed from the two openings 2.1, 2.2 and at the same time from the opening 1.1.
  • figure 5 12 shows a sectional view of a nozzle plate 10 according to another embodiment of the invention.
  • the ray S1.1 is a flat ray and defines a ray width B1, B2.
  • An opening configuration K for forming the opening 1.1 is expediently curved and concave in shape in order to bring about a narrowing of the jet width B1, B2 towards the discharge side A.
  • the nozzle plate 10 also includes an optional horn structure 3.1, 3.2 with two inwardly formed inner flanks 4.1, 4.2.
  • the inner flanks 4.1, 4.2 are designed to act on the emission jet S1.1 so that it can be deflected inwards.
  • the horn structure 3.1, 3.2 is optional.
  • the discharge beam S1.1 tapers due to the concave opening configuration K even without the optional horn structure 3.1, 3.2.
  • figure 6 shows a sectional view of a nozzle device 1 according to an embodiment of the invention with four nozzle plates, namely a first nozzle plate 10, a second nozzle plate 20 and two third nozzle plates 30.
  • the nozzle device 1 is mounted on an application head 40 shown only schematically.
  • the application head 40 preferably comprises three nozzle arrangements arranged in different directions, of which at least one is like the one in figure 6 shown nozzle device 1 is formed.
  • the nozzle device 1 comprises a supply channel 50 for the dispensing medium, via which the dispensing medium can be guided to the first nozzle plate 10 and to the second nozzle plate 20, so that the first nozzle plate 10 and the second nozzle plate 20 can be supplied with the dispensing medium from the same supply channel 50 .
  • a valve 60 preferably a needle valve, is used to selectively activate or deactivate delivery of a delivery medium from the two openings 2.1, 2.2 of the second nozzle plate 20, while selective deactivation of the delivery of the delivery medium from opening 1.1 through valve 60 is preferably not provided , but is possible depending on the application.
  • the nozzle device 1 includes a base component 70 for the four nozzle plates 10 , 20 , 30 .
  • the base component 70 includes the supply channel 50.
  • the base component 70 comprises a first supply section 50.1 for supplying the dispensing medium to the first nozzle plate 10, in particular to the inlet opening E1.
  • the base component 70 also includes a second supply section 50.2 for supplying the dispensing medium to the second nozzle plate 20, in particular to the inlet opening E2.
  • the first supply section 50.1 and the second supply section 50.2 can be supplied with the dispensing medium via the supply channel 50.
  • the valve 60 is expediently used for selectively opening or closing the second feed section 50.2. However, embodiments are also possible in which the valve 60 is designed to selectively open or close the first supply section 50.1 and/or the second supply section 50.2. Embodiments with multiple valves are also possible.
  • Two clamping parts having plate holder 80 serves to hold the four nozzle plates 10, 20, 30 and at the same time to accommodate the base component 70.
  • the valve 60 is accommodated in sections in the base component 70 and in sections in the plate holder 80 .
  • valve 60, the base 70 and/or the plate holder 80 can be mounted on the outside of the application head 40, but can also be accommodated at least partially in the application head 40.
  • figure 7 shows a sectional view, along line AA of Figure 8, a nozzle device 1 according to another embodiment of the invention, wherein figure 8 shows an associated plan view of the nozzle device 1 .
  • the nozzle device 1 is described below with reference to FIG figures 7 and 8th described.
  • the nozzle device 1 of figures 7 and 8th corresponds in many parts to the in figure 6 embodiment shown.
  • the base component 70 includes the first feed section 50.1 and the second feed section 50.2, but the feed channel 50, via which the dispensing medium can be guided to the first nozzle plate 10 and to the second nozzle plate 20, is already upstream or essentially on the input side of the base member 70 ends.
  • the valve 60 protrudes exclusively into the second supply section 50.2 and not into the first supply section 50.1.
  • the two openings 2.1, 2.2 of the second nozzle plate 20 are aligned in the same plane.
  • the opening 1.1 of the first nozzle plate 10 is offset in the transverse direction Q of the first nozzle plate 10 and the second nozzle plate 20 in relation to the openings 2.1, 2.2 of the second nozzle plate 20.
  • the opening 1.1 on the one hand and the openings 2.1, 2.2 on the other hand are aligned essentially parallel, so that the emission beam 51.1 is aligned essentially parallel to the emission beams S2.1, S2.2.
  • Figure 12 shows a side view and an associated plan view of a nozzle plate 20 according to another embodiment of the invention.
  • the two openings 2.1, 2.2 of the second nozzle plate 20 are aligned inwards, so that the two discharge jets S2.1, S2.2 of the second nozzle plate 20 approach one another towards the discharge side A.
  • Figure 12 shows a side view and an associated plan view of a nozzle plate 10 according to another embodiment of the invention.
  • the opening configuration for forming the opening 1.1 is convex.
  • the opening 1.1 is designed as a slit opening in order to emit a flat jet 51.1, the jet width of which is similar to that in figure 14 shown enlarged toward discharge side A.
  • figure 11 12 shows a side view and an associated top view of a nozzle plate 30 according to an embodiment of the invention.
  • a third nozzle plate 30 can be used to close the openings 2.1, 2.2 and the incorporated in the second nozzle plate 20 material supply M2 for the dispensing medium in the circumferential direction.
  • Another third nozzle plate 30 can be used to close the opening 1.1 and the material feed M1 incorporated into the first nozzle plate 10 for the dispensing medium in the circumferential direction. are on the delivery side the nozzle plates 10, 20, 30 are essentially complementary.
  • figure 12 shows a sectional view of a preferably first nozzle plate 10 according to an embodiment of the invention.
  • the nozzle plate 10 comprises an opening configuration K for forming two openings 1.1, 1.2 designed as slotted openings 1.1, 1.2.
  • the openings 1.1, 1.2 are used to emit two emission jets S1.2, S1.2 designed as flat jets.
  • the opening configuration K is expediently curved and concave and preferably comprises a dividing section T for forming (expediently separating) the two openings 1.1, 1.2.
  • the two beams S1.1, S1.2 define a beam width B1, B2 encompassing the two beams S1.1, S1.2. Due to the fact that the opening configuration K is preferably curved and concave, the beam width B1, B2 comprising the two beams S1.1, S1.2 can be narrowed towards the discharge side A.
  • the horn structure 3.1, 3.2 is optional.
  • the two openings 1.1, 1.2 are also oriented inwards, so that the two emission beams S1.1, S1.2 approach one another towards the emission side A.
  • the nozzle plate shown can advantageously also be used as a second nozzle plate because it has two openings for the delivery of two delivery jets and preferably the two openings are oriented inwards, so that the two delivery jets approach one another towards the delivery side.
  • figure 13 12 shows a sectional view of a second nozzle plate 20 according to another embodiment of the invention.
  • the nozzle plate 20 of figure 13 is designed similarly to the nozzle plate 10 of figure 12 .
  • the nozzle plate 20 has three openings 2.1, 2.2, 2.3 for delivering three delivery jets S2.1, S2.2, S2.3.
  • first nozzle plate expediently like the second nozzle plate or vice versa, so that the disclosure herein with regard to the second nozzle plate expediently also applies to the first nozzle plate or vice versa.

Landscapes

  • Coating Apparatus (AREA)
  • Nozzles (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (16)

  1. Dispositif à buses (1) pour la distribution d'au moins un milieu visqueux à distribuer sur un composant (100), de préférence sur un pli, une arête ou un cordon de transition du composant (100), dans lequel le dispositif à buses (1) comprend au moins deux plaques à buses (10, 20, 30) disposées l'une à côté de l'autre, dans lequel une première plaque de buse (10) présente au moins une ouverture de distribution (1.1, 1.2) pour la distribution d'au moins un jet de distribution (S1.1, S1.2) constitué du milieu visqueux à distribuer et une deuxième plaque à base (20) présente au moins deux ouvertures de distribution (2.1, 2.2, 2.3) pour la distribution d'au moins deux jets de distribution (S2.1, S2.2, S2.3) constitués du milieu visqueux à distribuer et dans lequel les plaques à buses (10, 20) présentent des ouvertures d'entrée (E1, E2) par lesquelles le milieu visqueux à distribuer est introduit dans les ouvertures de distribution (1.1, 1.2, 2.1, 2.2, 2.3),
    caractérisé en ce que l'au moins un jet de distribution (S1.1, S1.2) provenant de la première plaque de buse (10) définit une largeur de jet (B1, B2) et la première plaque de buse (10) présente une configuration d'ouverture (K) pour la formation de l'au moins une ouverture (1.1, 1.2) et la configuration d'ouverture (K) présente une forme concave, afin de provoquer un rétrécissement de la largeur de jet (B1, B2) en direction de la face de distribution (A),
    et/ou les au moins deux ouvertures de distribution (2.1, 2.2) de la deuxième plaque de buse (20) sont orientées vers l'intérieur, de sorte que les au moins deux jets de distribution (S2.1, S2.2) de la deuxième plaque de buse (20), constitués du milieu visqueux à distribuer, se rapprochent l'un de l'autre en direction de la face de distribution (A).
  2. Dispositif à buses (1) selon la revendication 1, caractérisé en ce que l'ouverture d'entrée (E1) de la première plaque de buse (10) et l'ouverture dentrée (E2) de la deuxième plaque de buse (20) sont séparées physiquement l'une de l'autre.
  3. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif à buses (1) comprend un canal d'alimentation (50) pour le milieu à distribuer, par lequel le milieu à distribuer peut être guidé vers l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) et vers les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20), de sorte que l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) et les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) peuvent être mises en liaison fluidique avec le même canal d'alimentation (50).
  4. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif à buses (1) comprend au moins une vanne (60), de préférence une vanne à pointeau, et la vanne (60) est conçue soit pour l'activation soit pour la désactivation d'une distribution d'un milieu à distribuer à partir de l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) et/ou d'une distribution d'un milieu à distribuer à partir des au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20).
  5. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif à buses (1) comprend un élément de socle (70) pour les au moins deux plaques de buses (10, 20, 30) et, dans l'élément de socle (70), sont disposées une première portion d'alimentation (50.1) pour l'introduction du milieu de distribution dans l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) et une deuxième portion d'alimentation (50.2) pour l'introduction du milieu à distribuer dans les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20),
    dans lequel, de préférence, la première portion d'alimentation (50.1) et la deuxième portion d'alimentation (50.2) peuvent être alimentées en milieu à distribuer par le canal d'alimentation (50).
  6. Dispositif à buses (1) selon l'une des revendications 4 ou 5, caractérisé en ce que la vanne (60) est conçue soit pour l'ouverture soit pour la fermeture de la première portion d'alimentation (50.1) et/ou de la deuxième portion d'alimentation (50.2).
  7. Dispositif à buses (1) selon l'une des revendications 4 à 6, caractérisé en ce que la vanne (60) est logée, au moins à certains endroits, dans l'élément de socle (70).
  8. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif à buses (1) comprend un support de plaque (80) pour le support des au moins deux plaques de buses (10, 20, 30) et de préférence pour le logement de l'élément de socle (70),
    dans lequel, de préférence, la vanne (60) est logée, au moins à certains endroits, dans le support de plaque (80).
  9. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) est conçue comme une ouverture à fente pour la distribution d'un jet plat (S1.1, S1.2) et/ou les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) sont conçues comme des ouvertures à fentes pour la distribution d'au moins deux jets plats (S2.1, S2.2, S2.3).
  10. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) sont orientées dans le même plan ou sont orientées au moins parallèlement entre elles.
  11. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) et les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) sont disposées de manière décalée dans la direction transversale (Q) de la première plaque de buse (10) et de la deuxième plaque de buse (20), mais de préférence orientées dans des plans globalement parallèles.
  12. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que
    - la première plaque de buse (10) présente une structure en forme de corne (3.1, 3.2) dépassant des deux côtés, avec deux flancs internes (4.1, 4.2) formés vers l'intérieur, afin de dévier le milieu à distribuer sortant de l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) vers l'intérieur et/ou
    - la deuxième plaque de buse (20) présente une structure en forme de corne (3.1, 3.2) dépassant des deux côtés, avec deux flancs internes (4.1, 4.2) formés vers l'intérieur, afin de dévier le milieu à distribuer sortant des au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) vers l'intérieur.
  13. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif à buses (1) comprend au moins une troisième plaque de buse (30),
    dans lequel, de préférence, la troisième plaque de buse (30) permet de fermer l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) et/ou de fermer les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) dans la direction de la circonférence.
  14. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que la première plaque de buse (10) permet de fermer les au moins deux ouvertures (2.1, 2.2, 2.3) de la deuxième plaque de buse (20) dans la direction de la circonférence ou la deuxième plaque de buse (20) permet de fermer l'au moins une ouverture (1.1, 1.2) de la première plaque de buse (10) dans la direction de la circonférence.
  15. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce qu'au moins deux des plaques de buses (10, 20, 30) suivantes sont conçues de manière complémentaire entre elles, au moins à certains endroits :
    - la première plaque de buse (10),
    - la deuxième plaque de buse (20),
    - la troisième plaque de buse (30).
  16. Dispositif à buses (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif à buses (1) comprend au moins trois ou au moins quatre plaques de buses (10, 20, 30).
EP17816557.7A 2016-11-30 2017-11-29 Dispositif à buses comprenant au moins deux plaques à buses et au moins trois ouvertures Active EP3548191B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016014269.3A DE102016014269A1 (de) 2016-11-30 2016-11-30 Düsenvorrichtung mit zumindest zwei Düsenplatten und zumindest drei Öffnungen
PCT/EP2017/080803 WO2018099960A1 (fr) 2016-11-30 2017-11-29 Dispositif à buses comprenant au moins deux plaques à buses et au moins trois ouvertures

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EP3548191A1 EP3548191A1 (fr) 2019-10-09
EP3548191B1 true EP3548191B1 (fr) 2023-08-16

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US (1) US11583869B2 (fr)
EP (1) EP3548191B1 (fr)
CN (1) CN110022989B (fr)
DE (1) DE102016014269A1 (fr)
ES (1) ES2961945T3 (fr)
HU (1) HUE063588T2 (fr)
MX (1) MX2019005991A (fr)
WO (1) WO2018099960A1 (fr)

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CN110022989B (zh) 2022-05-31
ES2961945T3 (es) 2024-03-14
WO2018099960A1 (fr) 2018-06-07
DE102016014269A1 (de) 2018-05-30
EP3548191A1 (fr) 2019-10-09
HUE063588T2 (hu) 2024-01-28
CN110022989A (zh) 2019-07-16
US20200179956A1 (en) 2020-06-11
MX2019005991A (es) 2019-07-08
US11583869B2 (en) 2023-02-21

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