EP3525939A1 - Applicateur et procédé d'application - Google Patents

Applicateur et procédé d'application

Info

Publication number
EP3525939A1
EP3525939A1 EP18705112.3A EP18705112A EP3525939A1 EP 3525939 A1 EP3525939 A1 EP 3525939A1 EP 18705112 A EP18705112 A EP 18705112A EP 3525939 A1 EP3525939 A1 EP 3525939A1
Authority
EP
European Patent Office
Prior art keywords
nozzle carrier
applicator
leg
nozzle
component
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.)
Granted
Application number
EP18705112.3A
Other languages
German (de)
English (en)
Other versions
EP3525939B1 (fr
Inventor
Lothar Rademacher
Jürgen KÖRMÖCI
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
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Priority to PL18705112T priority Critical patent/PL3525939T3/pl
Publication of EP3525939A1 publication Critical patent/EP3525939A1/fr
Application granted granted Critical
Publication of EP3525939B1 publication Critical patent/EP3525939B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B05C5/0208—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0447—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles
    • B05B13/0452—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles the conveyed articles being vehicle bodies

Definitions

  • the invention relates to an applicator for applying a coating agent (e.g., sealant) to a component (e.g., automotive body component), particularly for sealing or bonding a hemming seam to a motor vehicle body component. Furthermore, the invention comprises a corresponding application method.
  • a coating agent e.g., sealant
  • Automotive body parts e.g., doors or hoods
  • flared seams in which a sheet metal part is crimped around an edge of another sheet metal part, and then the two sheet metal parts can be glued together.
  • moisture penetrates into the gap between the two sheet metal parts and there leads to corrosion.
  • an applicator is known, which makes it possible to coat a flanged seam on the rear side of a motor vehicle door without the door having to be opened for this purpose.
  • This known applicator has a nozzle carrier with a plurality of legs, which are angled relative to each other. This makes it possible to pass the nozzle carrier through the gap between two adjacent, laterally overlapping motor vehicle body components (e.g., door and fender) so that the nozzle is then on the back and can coat the hemming seam.
  • This known applicator usually operates without contact, i. a physical contact between the applicator on the one hand and the motor vehicle body component on the other hand should be avoided.
  • This non-contact application method has various disadvantages, which are briefly described below.
  • a problem of the non-contact application method is due to the fact that the flanged seam to be coated is located at the rear of the motor vehicle body components and therefore is not immediately visible, which complicates the programming ("teach") of the application paths.
  • the orientation of the coating nozzle relative to the component surface is not visible, but can only be guessed, which complicates the programming.
  • the programming of the desired application path therefore takes place only in an iterative manner in practice.
  • First of all a programming is done, which is as good as possible.
  • coating agent is applied with the initial programming.
  • the application image is then inspected by, for example, opening the motor vehicle door and viewing the hemming seam on the inside of the motor vehicle door. This test of the quality of the sealed hemming seam then allows conclusions to be made in order to optimize the programming. For example, motion parameters of the robot and application parameters can be adjusted to optimize the coating result. This iterative optimization of the programming is carried out until the application result is satisfactory.
  • tactile application methods are also known from the prior art in which the applicator is in touching contact with the component to be coated during application.
  • the operator may apply a suitably shaped nozzle to the edge of the door to be coated, and then pull the nozzle along the respective component edge as the material exits the nozzle opening.
  • the nozzle opening and thus the applied web always has the same distance from the door edge.
  • the nozzle carrier must be designed to be stable.
  • the invention is therefore based on the object to provide a correspondingly improved applicator and a corresponding application method which avoids the disadvantages of the non-contact application method and the tactile application methods as much as possible and whose advantages are combined as far as possible.
  • a coating agent such as a sealant (eg PVC material, PVC: polyvinyl chloride).
  • PVC material eg PVC material, PVC: polyvinyl chloride
  • the term coating agent used in the context of the invention is to be understood generally and may in principle also include other types of coating compositions, in particular thick materials, such as acoustic or thermal insulation or adhesives, to name just a few examples.
  • the applicator is preferably for applying the coating agent (e.g., sealant) to a motor vehicle body component (e.g., door), particularly for sealing or bonding a hemming seam to the automotive body component.
  • the coating agent e.g., sealant
  • a motor vehicle body component e.g., door
  • the term of a component used in the context of the invention is to be understood generally and is not limited to motor vehicle body components.
  • the applicator according to the invention initially has a nozzle in accordance with the known applicator according to DE 10 2008 027 994 B3 in order to apply the coating agent in a specific beam direction to a component surface of the component to be coated.
  • the applicator according to the invention in accordance with the known applicator on a nozzle carrier to position the nozzle, wherein the nozzle carrier has a plurality of legs which are arranged one behind the other and angled relative to each other.
  • the individual limbs are each preferably straightforward when considered individually, but the individual limbs, viewed individually alone, can also be curved.
  • the above-mentioned nozzle is in this case located on the nozzle carrier and is preferably attached to the distal leg of the nozzle carrier.
  • the nozzle carrier is hollow over at least part of its length in order to pass the coating agent through.
  • the nozzle carrier thus serves in the applicator according to the invention firstly for the passage of the coating agent and secondly for the positioning of the nozzle.
  • the applicator according to the invention is characterized by the fact that on the Nozzle carrier (eg on the distal leg of the nozzle carrier) is arranged on the outside a spacer which projects in the beam direction of the distal leg and rests in the coating operation on the component surface of the component to be coated and thereby adjusts a predetermined application distance between the nozzle and the component surface, in particular one Application distance of substantially 2mm, 3mm, 4mm or 5mm, or any intermediate values.
  • the spacer has the advantage that the nozzle - unlike the known tactile application method - does not rest directly on the component surface, so that the nozzle can be aligned with the beam direction perpendicular to the component surface. This is advantageous because the applied spray jet then strikes the component surface with maximum energy. In addition, so-called chatter marks during application are avoided by the lack of contact between the contact between the nozzle on the one hand and the component surface on the other hand.
  • Another advantage of the spacer is that the applicator with the nozzle does not get caught on surface elevations resulting, for example, from adhesive leaks on a hemming seam or welds.
  • the application distance between the nozzle on the one hand and the component surface on the other hand is therefore adjusted by means of the spacer preferably so that the application distance is greater than the unevenness height of the surface elevations, which may result from adhesive leaks or welds. This makes sense because the nozzle then has no physical contact with the surface elevations during the movement over the component surface.
  • the two distal limbs of the nozzle carrier are preferably angled relative to each other and enclose an angle, as is fundamentally also the case with the applicator according to DE 10 2008 027 994 B3.
  • the spacer can also be used to stabilize this angle between the two distal limbs of the nozzle carrier.
  • the spacer is preferably arranged in the angle between the two distal legs of the nozzle carrier and connected to the two distal legs, for example by welding, bonding or by a one-piece shaping of the spacer and the distal leg of the nozzle carrier.
  • the spacer stabilizes the two distal limbs of the nozzle carrier and prevents the two distal limbs of the nozzle carrier from bending relative to one another due to the formation of a so-called rigid corner.
  • the spacer is shaped in the shape of an anvil and lies in the coating operation with its anvil surface on the component surface.
  • the two distal limbs of the nozzle carrier at the angle, preferably via a pipe bend kink-free into each other, wherein the spacer is connected to the pipe bend, for example by a weld.
  • the spacer consists of an angle piece, which is arranged in the angle between the two distal legs of the nozzle carrier and is connected to the two distal legs, for example by welding.
  • the two distal legs of the nozzle carrier preferably adjoin one another at the angle with a bend, in particular with a right-angled bend.
  • the nozzle carrier is preferably angled so that it can protrude from a front to a rear of the automotive body components through a gap between two adjacent, laterally overlapping automotive body panels (e.g., door and fender).
  • the proximal limb of the nozzle carrier is then preferably located in the coating operation on the front side of the motor vehicle body components and is guided there by an application robot likewise located on the front side.
  • the distal leg of the nozzle carrier with the nozzle is preferably located in the coating operation on the rear side of the motor vehicle body component, so that the nozzle can, for example, coat a flanged seam located on the rear side.
  • a middle limb of the nozzle carrier protrudes through the gap between the laterally overlapping motor vehicle body components from the front to the rear of the motor vehicle body components.
  • the proximal limb of the nozzle carrier can be made mechanically more stable than the distal limb and / or the middle limb of the nozzle carrier. This is because the proximal leg is always positioned in the coating operation at the front of the vehicle body parts to be coated and does not have to protrude through the relatively narrow gap between the adjacent motor vehicle body components, so that with respect to the outer cross section of the proximal leg of the nozzle carrier there are no restrictions.
  • the proximal leg of the nozzle carrier can thus be such large outer cross-section have that it does not fit through the gap between the laterally overlapping automotive body components.
  • the larger outer cross section of the proximal leg of the nozzle carrier also allows a larger inner cross section for the passage of the coating agent, which is advantageous because the hollow channel in the proximal hollow leg of the nozzle carrier then opposes the coating agent a lower flow resistance.
  • the proximal hollow leg of the nozzle carrier can thus have a larger internal cross section than the distal leg and / or the middle leg of the nozzle carrier.
  • the nozzle carrier may consist at least partially of a material having a shape memory, for example of a nickel-titanium alloy, such as nitinol or titanium flex.
  • shape memory used in the context of the invention is to be distinguished from materials which are merely elastic and, after a mechanical deflection, elastically return to their original position.
  • the different legs of the nozzle carrier can differ with regard to the bending stiffness.
  • the distal leg or the two distal legs of the nozzle carrier are designed to be more rigid than the middle leg of the nozzle carrier, which projects through the gap between the laterally overlapping motor vehicle body components in coating operation.
  • This greater bending stiffness can be achieved for example by a greater wall thickness.
  • the wall thickness may be at least 0.15 mm, 0.175 mm, 0.2 mm or even at least 0.22 mm in order to achieve sufficient bending stiffness.
  • the outer diameter is preferably at most 1.75 mm, 1.7 mm or even at most 1.65 mm, so that the nozzle carrier fits through the gap between the laterally overlapping motor vehicle body components.
  • the inner diameter of the hollow channel in the respective limb is preferably at most 1.5 mm, 1.4 mm, 1.3 mm or even at most 1.2 mm.
  • the nozzle carrier in the applicator according to the invention can be constructed in a similar manner to the nozzle carrier in the conventional applicator according to DE 10 2008 027 994 B3.
  • the nozzle carrier may for example have four legs, which are arranged one behind the other, lie in a common plane and are angled to each other.
  • the applicator can be mounted on the application robot by means of an elastically flexible joint, wherein the elastic joint permits evasive movements of the applicator in order to damage the applicator and the component to be coated in the event of excessive contact between the applicator on the one hand and the component to be coated on the other hand to avoid.
  • this resilient joint permits deflection movements of the applicator in two spatial directions, preferably parallel to the component surface and transversely to the component surface.
  • the nozzle carrier can then be applied to the component edge of the component to be coated and guided along the component edge, so that the component edge guides the applicator in a spatial direction.
  • the elastic joint between the applicator and the application robot preferably generates a counter force that is essentially independent of the magnitude of the evasive movement.
  • the counterforce may be in the range of 1N-15N, 2N-10N, 3N-8N or 4N-5N.
  • the invention also claims protection for an inventive application method in which the applicator is moved by a multi-axis application robot over the component surface of the component to be coated, in particular along a flanged seam to seal or bond the flanged seam.
  • the coating agent eg sealant
  • the coating agent is then released from the nozzle of the applicator in a certain beam direction onto the component surface, wherein the nozzle maintains a certain application distance to the component surface of the component to be coated.
  • the application distance is in this case set by means of the spacer already described above.
  • FIG. 1A shows a side view of an applicator according to the invention with a spacer
  • FIG. 1B shows a side view of the applicator from FIG. 1A on a hemming seam
  • Figure 2A is a side view of another embodiment of an inventive
  • FIG. 2B shows an enlarged side view of the applicator from FIG. 2A on a hemming seam
  • FIG. 3 shows a schematic representation for guiding the applicator according to the invention by means of a multi-axis application robot
  • FIG. 4 shows the application method according to the invention in the form of a flow chart
  • FIGS. 5-15 show various modifications of the spacer
  • Figure 16 is a schematic representation for explaining an elastic joint, which generates a constant counterforce independently of the deflection.
  • Figures 1A and 1B show various views of a first embodiment of an applicator according to the invention, which serves to apply a sealant on a flanged seam on a rear side of a motor vehicle body component, as known for example from DE 10 2008 027 994 B3, so that in addition, reference is made to this publication.
  • the applicator according to the invention initially has a mounting flange 1, which can be mounted on a multi-axis application robot.
  • the applicator on a nozzle carrier 2 which consists of several legs 3-6, which are arranged one behind the other in a common plane and angled relative to each other.
  • the angle between the two legs 3 and 4 as well as the angle between the two legs 4 and 5 is about 135 °.
  • the angle between the two legs 5 and 6, however, is preferably at right angles.
  • the angles between the individual legs 3-6 are dimensioned such that the nozzle carrier 2 can be passed through a gap between two adjacent, laterally overlapping motor vehicle body components (eg door and fender).
  • the optimum angle between the individual legs 3-6 of the nozzle carrier 2 thus also depends on the respective component geometry of the motor vehicle body components.
  • a nozzle 7 to deliver the sealant in the arrow direction.
  • the legs 3-6 of the nozzle carrier are hollow, so that the sealing means to be applied can be guided starting from the mounting flange 1 as far as the nozzle 7 in the distal leg 6.
  • the illustrated applicator according to the invention is particularly well suited for coating a hemming seam 8 of a motor vehicle body component, wherein at the hemming seam 8, a body panel 9 is crimped around the side edge of another body panel 10 around.
  • a sealant e.g., PVC
  • the applicator is applied with the leg 5 to the side edge of the hemming seam 8 and then moved along the hemming seam 8, i. in x direction and thus at right angles to the plane of the drawing.
  • the contact between the leg 5 of the nozzle carrier 2 on the one hand and the side edge of the hemming seam 8 in this case causes a guidance of the applicator in the y-direction.
  • the applicator still has a spacer 11, which is arranged in the angle between the two distal legs 5, 6 of the nozzle carrier 2 and in this concrete embodiment consists of a tubular elbow, which is welded to the two legs 5, 6.
  • the spacer 11 causes a mechanical stabilization of the two distal legs 5 and 6.
  • the spacer 11 is in the coating but also directly on the component surface of the hemming seam 8 and thus provides a certain application distance a between the nozzle 7 and the component surface ago.
  • the spacer 11 thus causes a guide of the applicator in z-direction. This is advantageous because the nozzle 7 can apply the sealant at right angles to the component surface on the component surface, so that the sealant impinges on the component surface with maximum flow energy.
  • the application distance a but also advantageous because it prevents the nozzle 7 is stuck to surface irregularities, which may for example result from an adhesive leakage from the hemming seam 8 or welds.
  • FIGS 2A and 2B show a second embodiment of an applicator according to the invention, this embodiment being largely identical to the embodiment described above and shown in Figures 1A and 1B, so that reference is made to the foregoing description for avoiding repetition, wherein the same for corresponding details Reference numerals are used.
  • a special feature of this embodiment is that the two distal legs 5, 6 of the nozzle carrier 2 in this case not - as in the embodiment according to Figures 1A and 1B - connect with a right-angled bend together. Rather, go the two legs 5, 6 of the nozzle carrier 2 in this case kink-free over a pipe bend 12 into each other.
  • spacer 11 is not formed here as a tubular elbow, but in the form of an anvil, which rests with its anvil surface on the component surface.
  • FIG. 3 shows a schematic representation to clarify the guidance of the applicator by means of an application robot. This representation also largely corresponds to the representations described above, so that in order to avoid repetitions of Related description is made, with the same reference numerals are used for corresponding details.
  • a hollow channel 13 leads from the mounting flange 1 through the entire nozzle carrier to the nozzle 7 in order to pass the sealing means.
  • the two body panels 9, 10 overlap laterally with the hemming seam 8 with a further body panel 14, which is shown here only schematically.
  • the applicator protrudes from the front (in the drawings below) through the gap 15 on the back (in the drawing above) to coat the flanged seam 8 on the back.
  • the drawing shows a robot arm 16 and a robot hand 17 of a multi-axis robot application with a robot serial kinematic.
  • the mounting flange 1 of the applicator according to the invention is in this case connected via an elastic joint 18 with the robot hand axis 17, wherein the joint 18 allows evasive movements of the applicator in the y direction and in the z direction.
  • This is advantageous because the applicator rests in the y-direction with the leg 5 on the side edge of the hemming seam 8 and is thereby forcibly guided.
  • the enabling of an evasion movement in the y-direction by the joint 18 in this case prevents mechanical overloading of the applicator.
  • FIG. 4 shows the application method according to the invention in the form of a flow chart.
  • a first step Sl the applicator is inserted into the gap 15 between the door and fender, so that the nozzle 7 is located at the back of the door.
  • a second step S2 the applicator is then applied with the nozzle carrier 2 to the side edge of the door to effect a mechanical guidance in this spatial direction.
  • step S3 the applicator is then placed with the spacer 11 on the back of the door to ensure perpendicular to the component surface mechanical guidance.
  • the applicator is then forcibly guided in two spatial directions.
  • the applicator is then aligned so that the spray jet direction is oriented at right angles or nearly at right angles to the component surface. This offers the advantage that the applied sealant then impinges on the component surface with maximum kinetic energy.
  • the applicator is then moved along the hemming seam 8 of the door, wherein the sealing means is applied to the hemming seam 8 in order to seal the hemming seam 8.
  • a step S6 the applicator is then removed from the gap 15 after the coating of the hemming seam 8.
  • FIGS 5-15 show various modifications of the spacer 11, the modifications being partly in accordance with the embodiment of Figures 1A and 1B, so referred to in the foregoing description to avoid repetition, the same reference numerals being used for corresponding details.
  • the spacer 11 consists of two hollow cylinders, both of which are attached to the penultimate leg 5 of the nozzle carrier 2 and are aligned with their cylinder axes perpendicular to the plane of the nozzle carrier 2.
  • the two hollow cylinders abut each other with their lateral surfaces, wherein the side edge of the beaded body panel 9 can be held between the two hollow cylinder of the spacer 11.
  • the two hollow cylinders of the spacer 11 are fastened to different legs 5, 6 of the nozzle carrier 2.
  • the two hollow cylinders have a slightly larger diameter than in the embodiment of Figure 5.
  • the spacer 11 consists of a rectangular plate which is fixed in the angle between the two distal legs 5, 6 and thereby serve Angle stiffened.
  • the exemplary embodiment according to FIG. 8 is distinguished from the exemplary embodiment according to FIG. 7 by the shape of the plate, which here has the shape of a rectangular trapezoid.
  • the spacer 11 consists of plates which are aligned parallel to the plane of the nozzle carrier 2 and are fastened to the nozzle carrier 2 on the opposite sides of the nozzle carrier 2.
  • the plates are substantially L-shaped, while the plates in the embodiment of Figure 10 are substantially T-shaped.
  • the plates are substantially triangular.
  • Figures 12 and 13 show modifications in which the spacer 11 consists of a cylindrical pin projecting from the last leg 6 ( Figure 12) and from the penultimate leg 5 ( Figure 13).
  • the spacer 11 consists of a kink in the nozzle carrier 2 between the two distal legs 5, 6.
  • the spacer 11 in the exemplary embodiment according to FIG. 15 consists of a shape of the nozzle carrier 2.
  • FIG. 16 shows a schematic representation of the flexible joint 18 according to FIG. 3, which makes it possible to generate a constant counterforce independently of the deflection of the applicator.
  • two pneumatic cylinders 19, 20 are provided, in each of which a piston rod 21, 22 is displaceable, wherein the two piston rods 21, 22 lead the applicator yielding.
  • the piston rod 21 is in this case displaceable in the Y direction, while the piston rod 22 in Z-direction Direction is displaceable.
  • the two pneumatic cylinders 19, 20 are each acted upon by a proportional valve 23, 24 with a constant differential pressure, which leads to a corresponding counterforce, which is constant regardless of the deflection (immersion depth).
  • the invention is not limited to the preferred embodiments described above. Rather, a variety of variants and modifications is possible, which also make use of the inventive idea and therefore fall within the scope.
  • the invention also claims protection for the subject matter and the features of the dependent claims independently of the claims in each case referred to and in particular without the features of the skin claim. The invention thus encompasses various aspects of the invention which can enjoy protection independently of each other.

Landscapes

  • Coating Apparatus (AREA)
  • Spray Control Apparatus (AREA)

Abstract

La présente invention concerne un applicateur pour l'application d'un agent de revêtement (par exemple un produit d'étanchéité) sur un élément (9, 10), en particulier pour réaliser l'étanchéité ou le collage d'un joint de serti (8) sur l'élément de carrosserie (9, 10) d'un véhicule à moteur. L'applicateur selon l'invention présente d'abord une buse (7) pour distribuer l'agent de revêtement dans une direction de jet déterminée sur une surface de l'élément (9, 10) à recouvrir. L'applicateur présente en outre un support de buse (2) afin de positionner la buse (7). Le support de buse (2) est creux sur au moins une partie de sa longueur afin de guider l'agent de revêtement. Le support de buse (2) comprend en outre plusieurs branches (3-6) qui sont agencées les unes derrière les autres et qui sont repliées les unes par rapport aux autres. La buse (7) est ainsi agencée sur le support de buse (2), en particulier sur la branche distale (6) du support de buse (2). Selon l'invention, une entretoise (11) est positionnée à l'extérieur sur le support de buse (2), à distance de la branche distale (6) dans la direction de jet et durant l'action de revêtement, elle repose sur la surface de l'élément (9, 10) à recouvrir et règle ainsi une distance d'application (a) prédéterminée entre la buse (7) et la surface de l'élément.
EP18705112.3A 2017-02-24 2018-02-07 Applicateur et procédé d'application Active EP3525939B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18705112T PL3525939T3 (pl) 2017-02-24 2018-02-07 Aplikator i sposób aplikowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017001780.8A DE102017001780B3 (de) 2017-02-24 2017-02-24 Applikator und Applikationsverfahren
PCT/EP2018/052998 WO2018153663A1 (fr) 2017-02-24 2018-02-07 Applicateur et procédé d'application

Publications (2)

Publication Number Publication Date
EP3525939A1 true EP3525939A1 (fr) 2019-08-21
EP3525939B1 EP3525939B1 (fr) 2021-04-14

Family

ID=61223890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18705112.3A Active EP3525939B1 (fr) 2017-02-24 2018-02-07 Applicateur et procédé d'application

Country Status (9)

Country Link
US (1) US11596968B2 (fr)
EP (1) EP3525939B1 (fr)
KR (1) KR102350738B1 (fr)
CN (1) CN109952158B (fr)
DE (1) DE102017001780B3 (fr)
ES (1) ES2879357T3 (fr)
MX (1) MX2019010029A (fr)
PL (1) PL3525939T3 (fr)
WO (1) WO2018153663A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019122918A1 (de) * 2019-08-27 2021-03-04 Dürr Systems Ag Applikator zur Applikation einer Dichtmasse auf einen Bördelfalz
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MX2019010029A (es) 2019-10-14
US20190329283A1 (en) 2019-10-31
CN109952158A (zh) 2019-06-28
ES2879357T3 (es) 2021-11-22
KR20190121295A (ko) 2019-10-25
PL3525939T3 (pl) 2021-10-25
EP3525939B1 (fr) 2021-04-14
US11596968B2 (en) 2023-03-07
CN109952158B (zh) 2021-09-07
DE102017001780B3 (de) 2018-04-12

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