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EP3519106A1 - Device for applying a viscous material - Google Patents

Device for applying a viscous material

Info

Publication number
EP3519106A1
EP3519106A1 EP17745156.4A EP17745156A EP3519106A1 EP 3519106 A1 EP3519106 A1 EP 3519106A1 EP 17745156 A EP17745156 A EP 17745156A EP 3519106 A1 EP3519106 A1 EP 3519106A1
Authority
EP
European Patent Office
Prior art keywords
bell
supply line
dosing member
viscous material
metering piston
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.)
Pending
Application number
EP17745156.4A
Other languages
German (de)
French (fr)
Inventor
Sergej Pidan
Kay Rupp
Nihat Biyiklioglu
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.)
Broetje Automation GmbH
Original Assignee
Broetje Automation GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Broetje Automation GmbH filed Critical Broetje Automation GmbH
Publication of EP3519106A1 publication Critical patent/EP3519106A1/en
Pending legal-status Critical Current

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
    • B05C5/0225—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 characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B05C5/0229—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 characterised by flow controlling means, e.g. valves, located proximate the outlet the valve being a gate valve or a sliding valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • 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
    • B05C5/0225—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 characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/20—Metallic substrate based on light metals
    • B05D2202/25—Metallic substrate based on light metals based on Al
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/30—Metallic substrate based on refractory metals (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W)
    • B05D2202/35—Metallic substrate based on refractory metals (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W) based on Ti
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2518/00—Other type of polymers
    • B05D2518/10—Silicon-containing polymers

Definitions

  • the invention relates to a device for applying a viscous material according to the preamble of claim 1 and a method having the features of claim 7.
  • a bell is generally understood to mean an open cavity which can be slipped over the protruding element with an opening or the attachment edge in the front in the direction of placement.
  • the shape of the bell is largely arbitrary within the meaning of the invention, for example hemispherical, cylindrical or the like.
  • a dosing member is understood to mean any means with which at least part of the material flow used for the application can be influenced in addition to the conveying means. The immediate proximity of the dosing to the bell or an outlet region of the material flow may thereby allow the material to be promoted not only in the order direction, but also partially withdrawn if necessary.
  • the advantages of the invention can be used particularly effectively if the component is a structural component of an aircraft.
  • the component comprises one or more materials from the group consisting of aluminum alloy, composite fiber material and / or titanium.
  • the projecting element may preferably be a rivet head, the head of a bolt or other fastener.
  • the viscous material may in particular be a sealing material, in particular an aircraft sealant or a silicone-like sealing material.
  • the application of the viscous material can be carried out by a movement of the component and / or by a movement of the device in the direction of placement.
  • the device is designed as an end effector for a manipulator, such as, for example, a portal machine and / or an industrial robot.
  • the dosing member is arranged at a branch of the supply line, in particular just before an entry of the supply line into the bell. This allows a simple structural realization, wherein the proximity of the dosing to the bell allows a quick and immediate influence on the material flow in the bell area.
  • the dosing member may also be provided directly in the bell.
  • a hollow cylinder may be provided as dosing, which is arranged concentrically around the supply line and in the bell can be advanced.
  • the dosing member comprises a movable dosing piston, so that a simple and effective possibility of a feed or retraction of the viscous material is achieved by a movement of the metering piston.
  • the metering piston is driven by an actuator drivable.
  • the driven movement takes place in two directions, so that on the one hand a material feed and on the other hand, a material retraction is possible.
  • the metering piston terminates substantially smoothly in at least one position with a wall of the supply line and / or the bell. The material can thus be transported freely before the metering piston, so that there is no stationary amount of material in front of the metering piston can accumulate.
  • the object of the invention is also achieved by a method for applying a viscous material to a protruding element of a component by means of a device according to the invention comprising the steps
  • the method also includes the step:
  • FIG. 1 is a perspective view of a device according to the invention
  • FIG. 2 is a sectional view of the device of FIG. 1 from the side
  • Fig. 3 is a schematic sectional view of the apparatus of Fig. 1 in four successive steps a to d of a job operation.
  • FIG. 1 shows a device for applying a viscous material in the form of a sealant to rivet heads of structural components of aircraft.
  • the device is formed overall on an end effector of a robot arm.
  • a front end is formed by a bell 1, which can be fed via a supply line 2 with the viscous material 3.
  • a not shown Forderstoff is provided on the end effector upstream of the supply line 2 and can promote the viscous material from a reservoir into the supply line.
  • the bell 1 and the supply line 2 in the present case form a nozzle body 4 as a structural unit, wherein the nozzle body 4 is connectable as an exchangeable module at an interface 5 with a einfederbaren receptacle 6 for length compensation.
  • a flange 7 On the opposite side of the receptacle 6 is a flange 7 for connection to the other end effector.
  • the bell is movable with a Aufsetzrand 8 via a projecting element 9 in the form of a rivet head of a component 9a to allow the order of the material 3.
  • a branch 10 of the supply line 2 is provided.
  • a metering piston 11 of a metering member 12 is sealingly guided.
  • the metering piston 11 can be advanced and retracted by means of a pneumatic actuator 13 of the metering member 12.
  • a front end of the metering piston 11 is concave and chamfered shaped, so that it forms a smooth inner wall with the remaining supply line 2 in a position of the metering. This favors a complete replacement of the material 3 located in front of the metering piston 11 in the course of the material requirement.
  • the metering piston 11 is in a retracted position and the bell 1 is partially filled with viscous material 3.
  • the bell 1 is slipped over the rivet head 9 by means of the robot arm in an attachment direction until the attachment rim 8 rests on the component 9a (FIG. 3a).
  • the metering piston 11 is moved back to the retracted position, while a lateral and / or circular movement of the bell 1 takes place in order to effect a separation of the material or a material thread.
  • material from the bell is also withdrawn into the region of the supply line, which is indicated schematically by a cavity 14 formed in the bell 1. This promotes a total clean separation of the material thread and reduces contamination of an outer wall of the bell with excess material.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a device for applying a viscous material (3), comprising a bell (1) with a peripheral placement rim (8), and a feed line (2), wherein a delivery medium can be used to deliver the material (3) into the bell (1) through the feed line (2), wherein the bell (1) can be moved with the placement rim (8) in a placement direction to bring it over a projecting element (9), in particular a rivet head, of a component (9a) in order to encapsulate the element (9) with the material (3), wherein a metering member (12) is provided in the region of the bell (1) or the feed line (2), wherein a stream of the material can be influenced by means of the metering member (12) in the course of an application process.

Description

Vorrichtung zum Auftrag eines viskosen Materials  Apparatus for applying a viscous material
Die Erfindung betrifft eine Vorrichtung zum Auftrag eines viskosen Materials gemäß dem Oberbegriff des Anspruchs 1 sowie ein Verfahren mit den Merkma- len des Anspruchs 7. The invention relates to a device for applying a viscous material according to the preamble of claim 1 and a method having the features of claim 7.
Aus dem Bau von Flugzeugstrukturteilen ist es bekannt, Nietköpfe von Bauteilen separat mit einem viskosen Material bzw. einer Dichtmasse zu umgeben. Hierzu wird eine Glocke bzw. Glockendüse über den Nietkopf gestülpt und das Dicht- material wird in die Glocke appliziert. Dabei kommt es häufig zu unerwünschtem Verhalten beim Trennen eines Fadens der Dichtmasse. Zudem sammelt sich überschüssiges Material nachteilig am Außenrand der Glockendüse an. From the construction of aircraft structural parts, it is known to surround rivet heads of components separately with a viscous material or a sealant. For this purpose, a bell or bell nozzle is placed over the rivet head and the sealing material is applied to the bell. This often leads to undesirable behavior when separating a thread of the sealant. In addition, excess material accumulates disadvantageously on the outer edge of the bell nozzle.
Es ist die Aufgabe der Erfindung, eine Vorrichtung zum Auftrag eines viskosen Materials anzugeben, die einen verschmutzungsarmen und reproduzierbaren Auftrag ermöglicht It is the object of the invention to provide a device for applying a viscous material, which allows a low-pollution and reproducible order
Diese Aufgabe wird für eine eingangs genannte Vorrichtung erfindungsgemäß mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst Durch das Vorse- hen des Dosierglieds kann eine genauere Zufuhrung des viskosen Materials erfolgen. Auch die Trennung des Materials von dem Element nach erfolgtem Auftrag kann günstig beeinflusst werden. This object is achieved according to the invention for a device mentioned above with the characterizing features of claim 1. By providing the dosing provided a more accurate supply of the viscous material. Also, the separation of the material from the element after successful order can be favorably influenced.
Unter einer Glocke wird dabei allgemein ein offener Hohlraum verstanden, der mit einer Öffnung bzw. dem Aufsetzrand voran in der Aufsetzrichtung über das vorstehende Element gestülpt werden kann. Die Form der Glocke ist im Sinne der Erfindung weitgehend beliebig, zum Beispiel hemisphärisch, zylindrisch o- der Ähnliches. Unter einem Dosierglied wir im Sinne der Erfindung jedes Mittel verstanden, mit dem zumindest ein Teil des zum Auftrag verwendeten Materialstroms ergänzend zu dem Fördermittel beeinflusst werden kann. Die unmittelbare Nähe des Dosierglieds zu der Glocke bzw. einem Austrittsbereich des Materialstroms kann es dabei ermöglichen, dass das Material nicht nur in Auftragsrichtung gefördert, sondern bei Bedarf auch teilweise zurückgezogen werden kann. Die Vorteile der Erfindung sind besonders effektiv nutzbar, wenn das Bauteil ein Strukturbauteil eines Flugzeugs ist. Bevorzugt sind bei dem Bauteil eines oder mehrere Materialien aus der Gruppe Alurniniumlegierung, Verbundfaserwerkstoff und/oder Titan umfasst. Das vorstehende Element kann bevorzugt ein Niet- köpf, der Kopf eines Schraubbolzens oder eines anderen Befestigungsmittels sein. A bell is generally understood to mean an open cavity which can be slipped over the protruding element with an opening or the attachment edge in the front in the direction of placement. The shape of the bell is largely arbitrary within the meaning of the invention, for example hemispherical, cylindrical or the like. For the purposes of the invention, a dosing member is understood to mean any means with which at least part of the material flow used for the application can be influenced in addition to the conveying means. The immediate proximity of the dosing to the bell or an outlet region of the material flow may thereby allow the material to be promoted not only in the order direction, but also partially withdrawn if necessary. The advantages of the invention can be used particularly effectively if the component is a structural component of an aircraft. Preferably, the component comprises one or more materials from the group consisting of aluminum alloy, composite fiber material and / or titanium. The projecting element may preferably be a rivet head, the head of a bolt or other fastener.
Bei dem viskosen Material kann es sich insbesondere um ein Dichtungsmaterial, insbesondere eine Flugzeugdichtmasse oder ein silikonartiges Dichtungsmaterial handeln. The viscous material may in particular be a sealing material, in particular an aircraft sealant or a silicone-like sealing material.
Der Auftrag des viskosen Materials kann durch eine Bewegung des Bauteils und/oder durch eine Bewegung der Vorrichtung in der Aufsetzrichtung erfolgen. Im Sinne einer flexiblen und einer zumindest teilautomatisierten Fertigung hat es sich als vorteilhaft erwiesen, wenn die Vorrichtung als Endeffektor für einen Manipulator, wie bspw. eine Portalmaschine und/oder einen Industrieroboter ausgebildet ist. The application of the viscous material can be carried out by a movement of the component and / or by a movement of the device in the direction of placement. In terms of flexible and at least partially automated production, it has proved to be advantageous if the device is designed as an end effector for a manipulator, such as, for example, a portal machine and / or an industrial robot.
Bei einer bevorzugten Ausfuhrungsform der Erfindung ist das Dosierglied an einem Abzweig der Zufuhrleitung angeordnet, insbesondere kurz vor einem Eintritt der Zufuhrleitung in die Glocke. Dies erlaubt eine einfache bauliche Realisierung, wobei die Nähe des Dosierglieds zu der Glocke eine schnelle und unmittelbare Beeinflussung des Materialstroms im Bereich der Glocke erlaubt. In a preferred embodiment of the invention, the dosing member is arranged at a branch of the supply line, in particular just before an entry of the supply line into the bell. This allows a simple structural realization, wherein the proximity of the dosing to the bell allows a quick and immediate influence on the material flow in the bell area.
Bei alternativen Ausfuhrungsformen der Erfindung kann das Dosierglied auch unmittelbar in der Glocke vorgesehen sein. Zum Beispiel kann bei einer solchen Ausfuhrungsform ein Hohlzylinder als Dosierglied vorgesehen sein, der konzentrisch um die Zufuhrleitung angeordnet ist und in der Glocke vorschiebbar ist. In alternative embodiments of the invention, the dosing member may also be provided directly in the bell. For example, in such an embodiment, a hollow cylinder may be provided as dosing, which is arranged concentrically around the supply line and in the bell can be advanced.
Allgemein vorteilhaft ist es vorgesehen, dass das Dosierglied einen bewegbaren Dosierkolben umfasst, so dass eine einfache und effektive Möglichkeit eines Vorschubs oder auch eines Rückzugs des viskosen Materials durch eine Bewegung des Dosierkolbens erreicht wird. In bevorzugter Weiterbildung ist der Dosierkolben dabei von einem Aktor antreibbar bewegbar. Besonders bevorzugt erfolgt die angetriebene Bewegung dabei in zwei Richtungen, so dass einerseits ein Materialvorschub und andererseits ein Materialrückzug ermöglicht ist. In weiterer Detailgestaltung kann es dabei vorgesehen sein, dass der Dosierkolben in zumindest einer Stellung im Wesentlichen glatt mit einer Wand der Zufuhrleitung und/oder der Glocke abschließt Hierdurch kann das Material vor dem Dosierkolben ungehindert transportiert werden, so dass sich keine unbewegte Materialmenge vor dem Dosierkolben ansammeln kann. Generally, it is provided that the dosing member comprises a movable dosing piston, so that a simple and effective possibility of a feed or retraction of the viscous material is achieved by a movement of the metering piston. In a preferred embodiment, the metering piston is driven by an actuator drivable. Particularly preferably, the driven movement takes place in two directions, so that on the one hand a material feed and on the other hand, a material retraction is possible. In a further detailed design, it may be provided that the metering piston terminates substantially smoothly in at least one position with a wall of the supply line and / or the bell. The material can thus be transported freely before the metering piston, so that there is no stationary amount of material in front of the metering piston can accumulate.
Allgemein vorteilhaft erfolgt nach einem Abheben der Glocke von dem Element ein Rückzug des Materials durch das Dosierglied. Dies erlaubt eine verbesserte Trennung eines Materialfadens und reduziert eine unerwünschte Materialansammlung im Randbereich der Glocke. Generally advantageous after a lifting of the bell from the element is a retraction of the material through the dosing. This allows an improved separation of a material thread and reduces unwanted material accumulation in the edge region of the bell.
Die Aufgabe der Erfindung wird zudem gelöst durch ein Verfahren zum Auftrag eines viskosen Materials auf ein vorstehendes Element eines Bauteils mittels einer erfindungsgemäßen Vorrichtung umfassend die Schritte The object of the invention is also achieved by a method for applying a viscous material to a protruding element of a component by means of a device according to the invention comprising the steps
a. Aufsetzen der Glocke auf das Bauteil; a. Placing the bell on the component;
b. Befüllen der Glocke mit dem viskosen Material, so dass das Element umhüllt wird, wobei zumindest teilweise ein Materialvorschub durch das Dosierglied erfolgt; b. Filling the bell with the viscous material, so that the element is enveloped, wherein at least partially a material feed is performed by the dosing member;
c. Abheben der Glocke von dem Element c. Lifting the bell from the element
In bevorzugter Weiterbildung umfasst das Verfahren zudem den Schritt: In a preferred development, the method also includes the step:
-Rückzug des Materials mittels des Dosierglieds im Zuge von Schritt c, um ein Abtrennen eines Materialfadens zu erleichtem. -Return of the material by means of the dosing in the course of step c, to facilitate a separation of a material thread.
Weitere Vorteile und Merkmale ergeben sich aus dem nachfolgend beschriebenen Ausfuhrungsbeispiel sowie aus den abhängigen Ansprüchen. Further advantages and features will become apparent from the exemplary embodiment described below and from the dependent claims.
Nachfolgend wird ein Ausfuhrungsbeispiel der Erfindung beschrieben und an- hand der anliegenden Zeichnungen naher erläutert. Dabei zeigt An exemplary embodiment of the invention will now be described and explained in more detail with reference to the appended drawings. It shows
Fig. 1 eine räumliche Ansicht einer erfindungsgemäßen Vorrichtung, 1 is a perspective view of a device according to the invention,
Fig.2 eine Schnittansicht der Vorrichtung aus Fig. 1 von der Seite, Fig. 3 eine schematisierte Schnittansicht der Vorrichtung aus Fig. 1 in vier aufeinander folgenden Schritten a bis d eines Auftragsvorgangs. 2 is a sectional view of the device of FIG. 1 from the side, Fig. 3 is a schematic sectional view of the apparatus of Fig. 1 in four successive steps a to d of a job operation.
Fig. 1 zeigt eine Vorrichtung zum Auftrag eines viskosen Materials in Form ei- nes Dichtmittels auf Nietköpfe von Strukturbauteilen von Flugzeugen. 1 shows a device for applying a viscous material in the form of a sealant to rivet heads of structural components of aircraft.
Die Vorrichtung ist insgesamt an einem Endeffektor eines Roboterarms ausgebildet. Ein vorderes Ende wird durch eine Glocke 1 gebildet, die über eine Zufuhrleitung 2 mit dem viskosen Material 3 beschickt werden kann. Ein nicht dar- gestelltes Fordermittel ist an dem Endeffektor stromaufwärts der Zufuhrleitung 2 vorgesehen und kann das viskose Material aus einem Reservoir in die Zufuhrleitung fördern. The device is formed overall on an end effector of a robot arm. A front end is formed by a bell 1, which can be fed via a supply line 2 with the viscous material 3. A not shown Fordermittel is provided on the end effector upstream of the supply line 2 and can promote the viscous material from a reservoir into the supply line.
Die Glocke 1 und die Zufuhrleitung 2 bilden vorliegend einen Düsenköper 4 als bauliche Einheit, wobei der Düsenkörper 4 als wechselbares Modul an einer Schnittstelle 5 mit einer einfederbaren Aufnahme 6 zum Langenausgleich verbindbar ist. Auf der gegenüberliegenden Seite der Aufnahme 6 befindet sich ein Flansch 7 zur Verbindung mit dem weiteren Endeffektor. Die Glocke ist mit einem Aufsetzrand 8 über ein vorstehendes Element 9 in Form eines Nietkopfes eines Bauteils 9a bewegbar, um den Auftrag des Materials 3 zu ermöglichen. The bell 1 and the supply line 2 in the present case form a nozzle body 4 as a structural unit, wherein the nozzle body 4 is connectable as an exchangeable module at an interface 5 with a einfederbaren receptacle 6 for length compensation. On the opposite side of the receptacle 6 is a flange 7 for connection to the other end effector. The bell is movable with a Aufsetzrand 8 via a projecting element 9 in the form of a rivet head of a component 9a to allow the order of the material 3.
Kurz vor der Einmündung der Zufuhrleitung 2 in die Glocke 1 ist ein Abzweig 10 der Zufuhrleitung 2 vorgesehen. In dem Abzweig 10 ist ein Dosierkolben 11 eines Dosierglieds 12 dichtend gefuhrt. Der Dosierkolben 11 ist mittels eines vorliegend pneumatischen Aktors 13 des Dosierglieds 12 vorschiebbar und rückziehbar. Ein vorderes Ende des Dosierkolbens 11 ist konkav und abgeschrägt geformt, so dass es in einer Stellung des Dosierkolbens eine glatte Innenwandung mit der übrigen Zufuhrleitung 2 ausbildet. Dies begünstigt einen vollständigen Austausch des vor dem Dosierkolben 11 befindlichen Materials 3 im Zuge der Materialforderung. Die Funktion der Erfindung wird anhand der schematisch dargestellten Abläufe in Fig 3 näher erläutert: Shortly before the confluence of the supply line 2 in the bell 1, a branch 10 of the supply line 2 is provided. In the branch 10, a metering piston 11 of a metering member 12 is sealingly guided. The metering piston 11 can be advanced and retracted by means of a pneumatic actuator 13 of the metering member 12. A front end of the metering piston 11 is concave and chamfered shaped, so that it forms a smooth inner wall with the remaining supply line 2 in a position of the metering. This favors a complete replacement of the material 3 located in front of the metering piston 11 in the course of the material requirement. The function of the invention is explained in more detail with reference to the schematically illustrated sequences in FIG. 3:
Zunächst befindet sich der Dosierkolben 11 in einer rückgezogenen Position und die Glocke 1 ist teilweise mit viskosem Material 3 gefüllt. Die Glocke 1 wird mittels des Roboterarms in einer Aufsetzrichtung über den Nietkopf 9 gestülpt bis der Aufsetzrand 8 auf dem Bauteil 9a aufliegt (Fig. 3a). First, the metering piston 11 is in a retracted position and the bell 1 is partially filled with viscous material 3. The bell 1 is slipped over the rivet head 9 by means of the robot arm in an attachment direction until the attachment rim 8 rests on the component 9a (FIG. 3a).
Nachfolgend wird der Dosierkolben 11 mittels des Aktors 12 nach vorne in Richtung der Glocke 1 geschoben, wodurch die Glocke 1 vollständig mit Material 3 gefüllt und der Nietkopf 9 vollständig mit Material 3 umhüllt wird (Fig. 3b). Subsequently, the metering piston 11 is pushed by means of the actuator 12 forward in the direction of the bell 1, whereby the bell 1 is completely filled with material 3 and the rivet head 9 is completely covered with material 3 (Fig. 3b).
Nachfolgend wird die Glocke 1 entgegen der Aufsetzrichtung um einen definierten Weg von dem Nietkopf 9 weg bewegt, wobei zunächst noch weiteres Material 3 durch das Fördermittel nachgefordert wird (Fig.3c). Subsequently, the bell 1 is moved against the Aufsetzrichtung by a defined path away from the rivet head 9, wherein initially further material 3 is requested by the conveyor (Figure 3c).
Nachfolgend wird der Dosierkolben 11 wieder in die rückgezogene Position zurück bewegt, während eine seitliche und/oder kreisende Bewegung der Glocke 1 erfolgt, um eine Trennung des Materials bzw. eines Materialfadens zu bewirken. Durch dieses Rückziehen des Dosierkolbens 11 wird auch Material aus der Glocke in den Bereich der Zufuhrleitung zurückgezogen, was schematisch durch einen entstehenden Hohlraum 14 in der Glocke 1 angedeutet ist. Dies begünstigt insgesamt ein sauberes Trennen des Materialfadens und verringert eine Verschmutzung einer Außenwand der Glocke mit überschüssigem Material 3. Subsequently, the metering piston 11 is moved back to the retracted position, while a lateral and / or circular movement of the bell 1 takes place in order to effect a separation of the material or a material thread. As a result of this retraction of the metering piston 11, material from the bell is also withdrawn into the region of the supply line, which is indicated schematically by a cavity 14 formed in the bell 1. This promotes a total clean separation of the material thread and reduces contamination of an outer wall of the bell with excess material. 3
Zuletzt wird die Vorrichtung über den nächsten Nietkopf bewegt und der vorstehend beschriebene Ablauf wird wiederholt. Finally, the device is moved over the next rivet head and the procedure described above is repeated.

Claims

Patentansprüche claims
1. Vorrichtung zum Auftrag eines viskosen Materials (3), umfassend 1. Apparatus for applying a viscous material (3), comprising
eine Glocke (1) mit einem umlaufenden Auf setzrand (8), und a bell (1) with a peripheral on setting edge (8), and
eine Zufuhrleitung (2), wobei das Material (3) über ein Fördermittel durch die Zufuhrleitung (2) in die Glocke (1) forderbar ist, a supply line (2), wherein the material (3) is conveyable via a conveying means through the supply line (2) into the bell (1),
wobei die Glocke (1) mit dem Auf setzrand (8) in einer Aufsetzrichtung über ein vorstehendes Element (9), insbesondere einen Nietkopf, eines Bauteils (9a) verbringbar ist, um das Element (9) mit dem Material (3) zu umhüllen, wherein the bell (1) with the setting edge (8) in a Aufsetzrichtung on a projecting element (9), in particular a rivet head, a component (9 a) can be brought to envelop the element (9) with the material (3) .
dadurch gekennzeichnet, characterized,
dass im Bereich der Glocke (1) oder der Zufuhrleitung (2) ein Dosierglied (12) vorgesehen ist, wobei im Zuge eines Auftragsvorgangs ein Strom des Materials mittels des Dosierglieds (12) beeinflussbar ist. in that a dosing member (12) is provided in the area of the bell (1) or the supply line (2), wherein in the course of an application process, a flow of the material can be influenced by means of the dosing member (12).
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass das Dosierglied (12) an einem Abzweig (10) der Zufuhrleitung (2) angeordnet ist, insbesondere kurz vor einem Eintritt der Zufuhrleitung (2) in die Glocke (1). 2. Apparatus according to claim 1, characterized in that the dosing member (12) is arranged at a branch (10) of the supply line (2), in particular shortly before an inlet of the supply line (2) in the bell (1).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Dosierglied (12) einen bewegbaren Dosierkolben (11) umfasst 3. Apparatus according to claim 1 or 2, characterized in that the dosing member (12) comprises a movable metering piston (11)
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Dosierkolben (11) von einem Aktor (13) antreibbar bewegbar ist, insbesondere in zwei Richtungen. 4. Apparatus according to claim 3, characterized in that the metering piston (11) by an actuator (13) is drivably movable, in particular in two directions.
5. Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass der Dosierkolben (11) in zumindest einer Stellung im Wesentlichen glatt mit einer Wand der Zufuhrleitung (2) und/oder der Glocke (1) abschließt. 5. Device according to one of claims 3 or 4, characterized in that the metering piston (11) in at least one position substantially smoothly with a wall of the supply line (2) and / or the bell (1) closes.
6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass nach einem Abheben der Glocke (1) von dem Element (9) ein Rückzug des Materials (3) durch das Dosierglied (12) erfolgt. 6. Device according to one of the preceding claims, characterized in that after a lifting of the bell (1) from the element (9) a retraction of the material (3) by the dosing member (12).
7. Verfahren zum Auftrag eines viskosen Materials auf ein vorstehendes Element (9) eines Bauteils (9a) mittels einer Vorrichtung nach einem der vorhergehenden Ansprüche, umfassend die Schritte Method for applying a viscous material to a protruding element (9) of a component (9a) by means of a device according to one of the preceding claims, comprising the steps
a. Aufsetzen der Glocke (1) auf das Bauteil (9a); a. Placing the bell (1) on the component (9a);
b. Befüllen der Glocke (1) mit dem viskosen Material (3), so dass das Element (9) umhüllt wird, wobei zumindest teilweise ein Materialvorschub durch das Dosierglied (12) erfolgt; b. Filling the bell (1) with the viscous material (3), so that the element (9) is enveloped, wherein at least partially a material feed through the dosing member (12) takes place;
c. Abheben der Glocke (1) von dem Element (9). c. Lifting the bell (1) from the element (9).
8. Verfahren nach Anspruch 7, ferner umfassend den Schritt: 8. The method of claim 7 further comprising the step of:
-Rückzug des Materials (3) mittels des Dosierglieds (12) im Zuge von Schritt c, um ein Abtrennen eines Materialfadens zu erleichtern.  Withdrawal of the material (3) by means of the dosing member (12) in the course of step c, to facilitate a separation of a material thread.
EP17745156.4A 2016-10-02 2017-07-19 Device for applying a viscous material Pending EP3519106A1 (en)

Applications Claiming Priority (2)

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DE102016118694.5A DE102016118694A1 (en) 2016-10-02 2016-10-02 Apparatus for applying a viscous material
PCT/EP2017/068271 WO2018059775A1 (en) 2016-10-02 2017-07-19 Device for applying a viscous material

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DE (1) DE102016118694A1 (en)
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WO (1) WO2018059775A1 (en)

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CN110167685A (en) 2019-08-23
US20190232327A1 (en) 2019-08-01
RU2019112844A (en) 2020-11-06
WO2018059775A1 (en) 2018-04-05
RU2742410C2 (en) 2021-02-05
DE102016118694A1 (en) 2018-04-05
US10926286B2 (en) 2021-02-23
RU2019112844A3 (en) 2020-11-06

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