EP0796664B1 - Installation de revêtement à réservoir interchangeable - Google Patents

Installation de revêtement à réservoir interchangeable Download PDF

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Publication number
EP0796664B1
EP0796664B1 EP97104632A EP97104632A EP0796664B1 EP 0796664 B1 EP0796664 B1 EP 0796664B1 EP 97104632 A EP97104632 A EP 97104632A EP 97104632 A EP97104632 A EP 97104632A EP 0796664 B1 EP0796664 B1 EP 0796664B1
Authority
EP
European Patent Office
Prior art keywords
container
installation
valve block
opening
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.)
Expired - Lifetime
Application number
EP97104632A
Other languages
German (de)
English (en)
Other versions
EP0796664A3 (fr
EP0796664A2 (fr
Inventor
Kurt Dipl.-Ing. Vetter
Michael Dipl.-Ing. Baumann
Jürgen Dipl.-Ing. Haas
Thomas Dipl.-Ing. Hezel
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
Publication of EP0796664A2 publication Critical patent/EP0796664A2/fr
Publication of EP0796664A3 publication Critical patent/EP0796664A3/fr
Application granted granted Critical
Publication of EP0796664B1 publication Critical patent/EP0796664B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • B05B5/1608—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive
    • B05B5/1616—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material
    • B05B5/1625—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material the insulating means comprising an intermediate container alternately connected to the grounded material source for filling, and then disconnected and electrically insulated therefrom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/1463—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet separate containers for different materials to be sprayed being moved from a first location, e.g. a filling station, where they are fluidically disconnected from the spraying apparatus, to a second location, generally close to the spraying apparatus, where they are fluidically connected to the latter
    • 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
    • B05B13/0431—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 with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device

Definitions

  • the invention relates to a coating system with a spray device that in the Operation with a container for the coating material to be sprayed connected is.
  • a painting robot known from EP-PS 0 274 322 becomes a replaceable container for filling by the painting robot even on the wall of the spray booth Tapping points coupled and from there again after filling picked up.
  • the container, its inlet and outlet openings are in its cylindrical side wall, from the robot without too much difficulty at the valve openings of the taps can be connected, it must be on the outside of the Wrist of the robot or at least one movement member be arranged, the relative to which usually only for rough positioning serving robot arm is movable.
  • the automatic docking is still not easy, and it there is a relatively high tax expenditure for those to connect necessary robot movements.
  • the dynamic movement behavior of the robot in the wrist area be affected.
  • the aim of the invention is a coating system, the interchangeable Container easy and with little tax the valve unit of the spray device can be coupled.
  • the system described here is not intended to be the container itself bring to the filling position.
  • the container can, for example, in the case of a mechanical coating device a movable arm of the machine in one position brought in a convenient handling device, which in particular a linear movement perpendicular to the receiving device executes, insert and remove the container.
  • the container can also be handled by a device in the opening of a stationary housing or other Plant part are used.
  • the handling device he can very easily to the also provided inside the arm or housing part Valve unit of the spray device connected and when removing be separated from her. All to the sprayer too leading supply and control lines can in Run inside the machine or system.
  • the container In the operation of a painting robot, the container only has to Join the arm movements of the machine, but not the additional ones Axis movements of the sprayer. Furthermore, the Container inside the arm or housing part can be easily insulated, if in electrostatic coating operation with conductive Material is placed on high voltage. Good insulation options arise especially when the arm or the housing part via a to isolate the spray device and the container of earthed parts of the system sufficient Length consists of insulating material.
  • Another advantage of the invention is that a as Dosing cylinder designed with a sliding piston Container inside the arm or housing part very easily an electromechanical control drive for metered emptying of the container can be coupled.
  • a when removing the container remaining in the system and on the container can be coupled by a piston rod Electric servomotor also built into the system whose type e.g. that in a coating machine motors intended for axis drive can.
  • Fig. 1 the arm 1 of a painting robot is shown. He consists essentially of an elongated housing 3, that at its right end in the drawing, not shown Way is movably mounted and at its opposite End further additional in a known manner movable links including a wrist or hand axis construction 2 carries, on which the spray device is arranged is. Through the inside of the hand axis construction 2 do not lead the necessary lines from (in Fig. 1 ) to a sprayer at the end of the arm whose housing 3 built-in valve block 4th
  • the housing 3 of the arm 1 is closed to the outside with one exception an opening 6 on one side of the arm, which is so long and wide that a cylindrical container 8 in its illustrated position, in its own Longitudinal axis to that of the arm 1 is parallel, through the opening 6 can be used in an interior of the housing 3 located there and can be removed after use.
  • the container 8 has a in its end face facing the valve block 4 Exhaust valve opening 10 which with the emptying of the container one of the front end of the container facing the inlet Valve block 4 is aligned. The exact alignment is confirmed by on Valve block and centering means 12 provided at the end of the container achieved when axially pressing and coupling the container 8 come into engagement with each other on the valve block 4.
  • a second valve opening located in the front end of the container 8 is used to fill, empty and / or rinse the container at a filling point away from the system.
  • a pneumatic locking cylinder 30 is provided, its member that can be pushed against the container in the drawing is not shown.
  • the container 8 is designed as a metering cylinder. It contains a dosing piston that can be moved in the container to empty it 14, the at or before filling the container on the remote filling point by an automatically controlled electromechanical drive mechanism placed in one position can be in which it has a predetermined filling volume for the coating material filled through one of the valve openings 10 Are defined. In the example shown, this is total container volume, but in other cases, a volume be discontinued, including a necessary one Reserve just for a predetermined coating process is sufficient. When it is completely empty, the dosing piston is in place 14 on the inner wall of the front end of the container 8, as in 14 'is shown.
  • the piston rod 18 At its end facing the container 8 is the piston rod 18 in the pneumatic for locking the container Locking cylinder 30 stored.
  • a pneumatic stop sensor 32 In the end face of the piston rod 18 sits a pneumatic stop sensor 32, the one pneumatic signal generated when the piston rod 18 against pushes the dosing piston 14.
  • the coating machine described here can in itself work with any spray device. But if one electrostatic spraying device, in particular for spraying of electrically conductive coating material is provided, that the valve block 4 and the suitably made of pressure-resistant metal can put existing container 8 at high voltage potential, must have adequate electrical insulation to the usual grounded metallic parts of the system.
  • the expanding housing part 20 are made of aluminum.
  • the housing 3 of the robot arm shown 1 is therefore from the valve block 4 to the housing part 20 made of a mechanically stable plastic or other Insulating material.
  • the length of the insulating housing 3 is so dimension that the required insulating distance 33 between the rear end of the appropriately metallic locking cylinder 30 and the metallic housing part 20 results.
  • the Piston rod 18 is also made of insulating material.
  • Fig. 2 is the supply system of an electrostatic Spray device 35 shown, for example may be a known type of rotary atomizer and the coating material from the container 8 installed in the robot arm 1 should spray.
  • the main needle valve of the sprayer 35 stands when the container is inserted and coupled 8 via a line HN and one in the control valve block 4 included color valve F with the inlet opening 37 of the valve block and consequently the valve opening 10 of the container 8 in Connection.
  • a detergent line V leads, one of which for briefly rinsing the atomizer bell bypassing the main needle line HN serving line KS into the spray device 35 is branched into the valve block 4 the detergent consisting of thinner if necessary and in particular with a color change in the line HN and to the spraying device.
  • Line PL gets compressed air into the valve block and through it Line HN to the spray device 35.
  • RF line through which coating material not sprayed especially when changing colors and detergent from the other lines, the control valve block and the spraying device in a collecting container S is directed.
  • the lines described are in Inside the movable system elements.
  • the lines can spray conductive paint in the area the spray device 35 and the valve block 4 at high voltage potential lie and are therefore in the further course insulated.
  • the need for an electrical Insulation is omitted if instead of the electrostatic spray device for example an air atomizer 35 'on the control valve block and the line RF is connected.
  • the container 8 is on one of the coating machine filled remote location and preferably outside the usual spray booth from a transport system as in DE patent application 196 10 589.7 from March 18, 1996 is transported to a container exchange point, where it is from gripped a handling device and along a linear Path of movement, for example, through an opening in the cabin wall through into the opening 16 of the housing 3 of that shown in Fig. 1 Armes 1 can be used.
  • the container 8 can for example on one side with a handle 38 (FIG. 1) be on which he from a gripper 39 of the handling device mentioned is taken. Pressing and coupling to the valve block 4 takes place automatically. After use the container the arm 1 from the handling device again taken, which at the same time a new one, as needed with the same or another color filled container, if it is not more convenient, for insertion and removal to use separate devices.
  • the invention is not based on the example described Painting robot limited, but also with any other mechanical or manual coating devices applicable.
  • the containers are typically in an opening one in the rest closed stationary housing or other system part used where they are then in the on the basis of FIGS. 1 and 2 described way can be coupled.
  • a convenient method is, for example, the Feed containers in transportable magazines, which they for transfer and insertion in the opening of the system section are removed and into which they are used and removed the opening for removal can be used again.
  • the containers 8 used themselves have numerous advantageous ones Characteristics. They are suitable for dosing, can be airtight and designed as a pressure vessel offer protection against Aging of the coating material, serve as a transport container, Color memory and for decoupling the coating device of ring lines or other paint supply systems, are location independent, flushable and reusable and can easily be used with identification data to identify your Content or other important circumstances such as of the filling date. Furthermore, they are simple graspable and easy to center and lock when coupling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Spray Control Apparatus (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Compressor (AREA)
  • Nozzles (AREA)

Claims (14)

  1. Installation d'application d'un revêtement comportant un dispositif de pulvérisation qui est relié, pendant le fonctionnement, à un réservoir (8) pour la matière de revêtement à pulvériser, lequel
    est disposé de manière interchangeable dans un dispositif récepteur, à l'intérieur d'une partie (1) de l'installation contenant le dispositif récepteur, et qui peut être saisi de l'extérieur à travers une ouverture (16) de la partie (1) de l'installation, et
    est transporté pour son remplissage, depuis le dispositif récepteur et vers un poste de remplissage,
    et lequel peut être vidé au moyen d'un piston (14) coulissant dans le réservoir.
  2. Installation selon la revendication 1, caractérisée en ce que le réservoir est accouplé, à l'intérieur de la partie (1) de l'installation, à un bloc soupapes (4), relié au dispositif de pulvérisation (35), par des conduites.
  3. Installation selon la revendication 2, caractérisée en ce que le bloc soupapes 4 possède une ouverture d'entrée (37) tournée vers l'extrémité frontale du réservoir (8) cylindrique, laquelle est orientée sur une ouverture de soupape se trouvant dans la face frontale du réservoir (8).
  4. Installation selon la revendication 2 ou 3, caractérisée en ce que sur le bloc soupapes (4) et/ou l'extrémité frontale du réservoir (8), tournée vers le bloc soupapes, sont prévus des moyens de centrage (12) pour l'orientation de l'ouverture (10) de la soupape de sortie du réservoir, sur l'ouverture d'entrée (37) du bloc soupapes (4).
  5. Installation selon l'une des revendications précédentes, caractérisée en ce qu'un cylindre de blocage (30) pneumatique est prévu dans la partie (1) de l'installation pour presser le réservoir (8) contre le bloc soupapes (4).
  6. Installation selon l'une des revendications précédentes, caractérisée en ce que le réservoir (8) est conçu en tant que cylindre de dosage et peut être vidé par coulissement de son piston (14) en direction d'une ouverture (10) de la soupape de sortie se trouvant à une extrémité du réservoir, et en ce que sur le piston (14) agit une tige de piston (18) montée dans la partie (1) de l'installation, qui est entraínée, en vue de la vidange dosée du réservoir (8), par un moteur (22) monté dans la machine d'application de revêtement.
  7. Installation selon la revendication 6, caractérisée en ce que le moteur (22) est un servomoteur électrique.
  8. Installation selon la revendication 6 ou 7, caractérisée en ce que la tige de piston (18) est montée coulissante dans le cylindre de blocage (30).
  9. Installation selon l'une des revendications 6 à 8, caractérisée en ce qu'un capteur à butée (32) est disposé à l'extrémité de la tige de piston (18) tournée vers le réservoir (8).
  10. Installation selon l'une des revendications précédentes, avec un dispositif de pulvérisation (35) électrostatique, caractérisée en ce que la partie (1) de l'installation est en matière isolante au moins sur une longueur (33) suffisante pour l'isolation électrique du dispositif de pulvérisation (35) et du réservoir (8) par rapport à des éléments (20) de l'installation qui sont mis à la terre.
  11. Installation selon l'une des revendications précédentes, caractérisée en ce que la tige de piston (18) du dispositif électromécanique d'entraínement du dosage est en matière isolante.
  12. Installation selon l'une des revendications précédentes, caractérisée en ce que la partie (1) de l'installation est un bras mobile d'une machine d'application de revêtement à plusieurs axes.
  13. Installation selon l'un des revendications 1 à 11, caractérisée en ce que la partie de l'installation se trouve dans une partie de boítier fixe de l'installation.
  14. Installation selon l'une des revendications 1 à 13, caractérisée en ce que l'ouverture (6) se trouve sur un côté d'un boítier (1) allongé dont l'axe longitudinal est parallèle à celui du réservoir (8) mis en place.
EP97104632A 1996-03-18 1997-03-18 Installation de revêtement à réservoir interchangeable Expired - Lifetime EP0796664B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19610588 1996-03-18
DE19610588A DE19610588B4 (de) 1996-03-18 1996-03-18 Beschichtungsmaschine mit auswechselbarem Behälter

Publications (3)

Publication Number Publication Date
EP0796664A2 EP0796664A2 (fr) 1997-09-24
EP0796664A3 EP0796664A3 (fr) 1998-04-08
EP0796664B1 true EP0796664B1 (fr) 2001-07-11

Family

ID=7788629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104632A Expired - Lifetime EP0796664B1 (fr) 1996-03-18 1997-03-18 Installation de revêtement à réservoir interchangeable

Country Status (3)

Country Link
EP (1) EP0796664B1 (fr)
DE (2) DE19610588B4 (fr)
ES (1) ES2159373T3 (fr)

Families Citing this family (22)

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DE19858397A1 (de) * 1998-12-17 2000-06-21 Duerr Systems Gmbh Verfahren und System zur Farbversorgung einer elektrostatischen Beschichtungsanlage
DE10115467A1 (de) 2001-03-29 2002-10-02 Duerr Systems Gmbh Werkzeugwechselsystem für eine Maschine
DE10115470A1 (de) 2001-03-29 2002-10-10 Duerr Systems Gmbh Beschichtungsanlage mit einer Zerstäuberwechselstation
DE10115463A1 (de) 2001-03-29 2002-10-02 Duerr Systems Gmbh Zerstäuber für eine Beschichtungsanlage und Verfahren zu seiner Materialversorgung
DE10115472A1 (de) 2001-03-29 2002-10-10 Duerr Systems Gmbh Ventileinheit für eine elektrostatische Beschichtungsanlage
DE10120272A1 (de) 2001-04-25 2002-10-31 Duerr Systems Gmbh Verfahren zur Betriebssteuerung einer Beschichtungsanlage
DE10145169A1 (de) 2001-09-13 2003-04-03 Duerr Systems Gmbh Verfahren zum serienweisen Beschichten von Werkstücken
DE10157966A1 (de) 2001-11-27 2003-06-05 Duerr Systems Gmbh Verfahren und Versorgungssystem zur dosierten Materialversorgung einer Beschichtungsvorrichtung
DE10231421A1 (de) 2002-07-11 2004-01-22 Dürr Systems GmbH Verfahren und System zur Versorgung eines Pulverbeschichtungsgerätes
DE10233198A1 (de) 2002-07-22 2004-02-05 Dürr Systems GmbH Rotationszerstäuber
DE10239516A1 (de) 2002-08-28 2004-03-18 Dürr Systems GmbH Schlauch für die elektrostatische Beschichtung von Werkstücken
DE10239517A1 (de) 2002-08-28 2004-03-11 Dürr Systems GmbH Beschichtungseinrichtung mit einem Rotationszerstäuber und Verfahren zum Steuern ihres Betriebes
DE10240451A1 (de) 2002-09-02 2004-03-11 Dürr Systems GmbH Sensoranordnung für eine Beschichtungsanlage
DE10245594A1 (de) 2002-09-30 2004-04-08 Dürr Systems GmbH Verfahren zur Kollisionserkennung
US6991178B2 (en) 2003-01-24 2006-01-31 Dürr Systems, Inc. Concentric paint atomizer shaping air rings
ES2717116T3 (es) 2005-10-07 2019-06-19 Duerr Systems Ag Dispositivo de suministro de agente de revestimiento y procedimiento de funcionamiento correspondiente
US8418647B2 (en) 2005-10-21 2013-04-16 Dürr Systems Inc. Procedure and piston type metering devices for the metered material supply for a coating device
US7908994B2 (en) 2005-10-21 2011-03-22 Duerr Systems, Inc. Automatically steered coating machine also a container for the coating material
US8671495B2 (en) 2006-11-06 2014-03-18 Durr Systems, Inc. Scraper pig
DE102011012012A1 (de) * 2011-02-22 2012-08-23 Eisenmann Ag Kolbendosierer für fluide Medien
DE102015016448A1 (de) * 2015-12-21 2017-06-22 Eisenmann Se Beschichtungsvorrichtung zum elektrostatisch geführten Aufbringen von Beschichtungsmaterial
CN117564651B (zh) * 2024-01-19 2024-04-23 安徽汉普斯精密传动有限公司 一种电机油封自动涂油及压装设备

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Also Published As

Publication number Publication date
DE19610588B4 (de) 2010-08-05
EP0796664A3 (fr) 1998-04-08
EP0796664A2 (fr) 1997-09-24
DE19610588A1 (de) 1997-09-25
ES2159373T3 (es) 2001-10-01
DE59703985D1 (de) 2001-08-16

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