EP1314483A2 - Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment - Google Patents

Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment Download PDF

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Publication number
EP1314483A2
EP1314483A2 EP02025206A EP02025206A EP1314483A2 EP 1314483 A2 EP1314483 A2 EP 1314483A2 EP 02025206 A EP02025206 A EP 02025206A EP 02025206 A EP02025206 A EP 02025206A EP 1314483 A2 EP1314483 A2 EP 1314483A2
Authority
EP
European Patent Office
Prior art keywords
pig
coating
line
paint
container
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
EP02025206A
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German (de)
English (en)
Other versions
EP1314483B1 (fr
EP1314483A3 (fr
Inventor
Rainer Melcher
Stefano Giuliano
Hans-J. Dr. Nolte
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 EP1314483A2 publication Critical patent/EP1314483A2/fr
Publication of EP1314483A3 publication Critical patent/EP1314483A3/fr
Application granted granted Critical
Publication of EP1314483B1 publication Critical patent/EP1314483B1/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
    • 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
    • B05B12/1481—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 comprising pigs, i.e. movable elements sealingly received in supply pipes, for separating different fluids, e.g. liquid coating materials from solvent or air
    • 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

Definitions

  • the invention relates to a method and a supply system for the dosed supply of material to a coating device for the automatically controlled series coating of workpieces according to the preamble of the independent claims below Use of two each connected to a supply line Paint containers that alternate the coating device supply.
  • a / B technology Paint containers that alternate the coating device supply.
  • the coating device can in each case from one Ink tanks are supplied while the other tank is filled, making short color change times possible are.
  • it is the electrostatic series coating of workpieces such as vehicle bodies often with electrically conductive coating material changing color.
  • a newer A / B system known from DE 19937426 In principle, the genus works similarly to that of the EP 0292778, but here those from the color changer to the lines carrying both paint containers using Newts cleaned, initially from a color changer Pig station to one assigned to the container Newt station and from there back under pressure gas the pig station can be transported at the color changer.
  • the filling the container is mainly made by color printing on Exit the color changer bypassing the newts are in the rest position in the respective pig station and only when it is still cleaning the pipe Press paint residue into the container.
  • the A / B system is switched over and opened of a valve in the line leading from the container to the atomizer the painting process started.
  • the paint tanks are cylinders with a movable against the force of a compression spring Pistons and after filling a desired amount of paint, which is reported by a level sensor through which the piston pushing back compression spring emptied.
  • the dosage is up limits the filling of a predetermined amount of paint into the containers.
  • the amount of paint e.g. B. in Dependence on workpiece areas, size and shape of the parts to be coated Change surfaces, spray jet shape, etc. substantially Different paint flow rates on the atomizer are for example in the interior and exterior painting of vehicle bodies with painting robots required.
  • a change of the Outflow rate corresponding volume flow at the outlet of the paint container would only be with the known systems discussed above possible through additional measures, for example with one of the containers downstream dosing pump.
  • DE 10033987 describes a device which also works with A / B technology Supply system for an electrostatic coating system with piggable for potential separation Ink supply lines are proposed, in which each for one Coating process required amount of paint between two pigs enclosed by an insulating sliding liquid to the atomizer is promoted.
  • the dosage of the paint flow on the atomizer is done by a metering pump, which is in a Return line for the sliding liquid is arranged and therefore not from the colored paint, but only from the sliding liquid is flowed through.
  • the risk can be problematic here a mixture of the paint to be conveyed by the newts be with the sliding medium.
  • the invention has for its object a method and a Supply system of the genus under consideration, the one exact and also during coating with high precision and can be changed with short response times to the dosing control signals Dosage and on the other hand low time, color and Loss of detergents during a color change allow without that the containers after filling from their supply lines must be removed.
  • the invention combines the possibility of the highest dosing precision and short color change times due to the two using A / B technology operated dosing tank with the advantages of pigging technology especially with regard to effort and time during cleaning of the supply lines and in terms of electrostatic coating systems for conductive material such as water paint required electrical isolation.
  • the dosing system shown in Fig. 1 is used for supply an electrostatic atomizer 1 with as a coating material serving color varnish frequently changing color, from two color changers 2A or 2B via connected to their outputs Connection paths 3A and 3B supplied under pressure becomes.
  • the connection paths 3A, 3B each contain flow measuring cells 4A and 4B and lead to a first pig station 6A or 6B, each of which is a pigged insulating supply line 7A or 7B to a second pig station 8A or 8B runs. Et al to shorten the connection paths 3A and 3B the color changers with the respective first pig station 6A and 6B can be assembled into a structural unit.
  • These exit routes are in a switching valve assembly 16 merged, which in turn via an atomizer line common to the two metering circuits (A / B) 17 is connected to the atomizer 1.
  • the pistons 11A and 11B of the two metering cylinders is one indicated at 14A and 14B, respectively Spindle drive with a motor (not shown in Fig. 1) intended.
  • the dosing system shown can include the paint container 10A, 10B and their spindle drive 14A, 14B and preferably also the switching valve arrangement 16 firmly into the atomizer 1 moving machine must be installed, for example in the arm or arms of a painting robot.
  • the spindle drive 14A, 14B is expediently in a grounded area and can operate on the high voltage from the atomizer 1 placed paint container 10A, 10B coupled with an insulating shaft his.
  • the color changers 2A, 2B are also grounded.
  • the first step is to fill the paint container 10B in a precisely metered manner the desired one, measured with the flow measuring cell 4B Color quantity from the color changer 2B through the pig station 6B fed into the supply line 7B. If only a newt provided in the pig station, the color material flows past him on line 7B. If there are two newts, the color material can be introduced between them while doing so the front pig (not shown) into the line in Push towards the second pig station 8B.
  • the paint container 10A becomes the colored paint via the atomizer line 17 open switch valve arrangement 17 when locked Entry path 9A and empty supply line 7A through that of its on-demand controlled spindle drive 14A moved piston 11A pressed into the atomizer line 17.
  • the Isolation path LS 'of the empty supply line 7A ensures Electrical isolation between the atomizer line 17 high-voltage container 10A and the first pig station 6A.
  • the pig target station 29 can also be located in the atomizer 1 ', especially directly at the paint nozzle when the the line 27 connected paint channel in the paint pipe of the atomizer is pigged, as it is more precisely in the patent application DE 101 57 938 is described.
  • the colored paint flows like in the system 1 for example from the paint container 10'A in the Motor M1 doses quantity as required through line 27 to the atomizer 1 ', past the one in the rest position in the Pig target station 29 located pig.
  • This newt can e.g. B. through the colored paint flowing into line 27 (or previously transported to its destination by a separate push medium) become.
  • valves 26A and 26B can be connected to the valves 26A and 26B Return lines must be connected.
  • a sliding medium for the For example, a newt could be a detergent from a washing circuit C are directed into the pig target station 29. Instead, can also a separate pig push medium through a valve arrangement 32 via a further line leading into the atomizer 1 ' 33 are directed via the atomizer into the pig target station 29.
  • the arrangement 32 additional valves for pulsed air (PL) and thinner (V) as well as a return valve (RF) included. In this case contains the pig target station 29 no valves, which for reasons of space and weight reasons may also be advantageous.
  • the flushing circuit C works with electrical isolation and can e.g. B. contain a further dosing cylinder 42 to which the rinsing liquid via another pigged line 43 with two pig stations 44 and 45 fed and over to the pig station 29 and / or line 46 leading to the atomizer 1 ' becomes.
  • the pigged lines 7'A, 7'B and 27 can each pass through Pig initiators arranged at the respective pig station, such as z. B. the initiator 49A at the pig station 6'A and the initiator 49C are monitored at the pig source station 28.
  • the parts of the system shown in Fig. 2 can for example into an articulated arm robot on both of its arms and wrists can be installed distributed.
  • At the interfaces 50 and 51 are the two arms of each other and the front arm of the wrist separately.
  • the atomizer 1 ' can be automatically released from the wrist , for example when changing to another atomizer or against a measuring or other tool.
  • the two paint containers can be, for example 10'A and 10'B with the pig stations assigned to them 8'A and 8'B, the switching valve arrangement 16 'and the one downstream of it Newt source station 28 and newt station 44 of the Flushing circuit in the front robot arm, the color changer 2'A and 2'B and the pig stations 6'A assigned to them and 6'B, the drive motors M1 and M2 of the paint containers as well the pig station 45 of the irrigation circuit behind the front arm and the pig station 29 in the wrist.

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Spray Control Apparatus (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Physical Vapour Deposition (AREA)
EP02025206A 2001-11-27 2002-11-11 Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment Expired - Lifetime EP1314483B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10157966A DE10157966A1 (de) 2001-11-27 2001-11-27 Verfahren und Versorgungssystem zur dosierten Materialversorgung einer Beschichtungsvorrichtung
DE10157966 2001-11-27

Publications (3)

Publication Number Publication Date
EP1314483A2 true EP1314483A2 (fr) 2003-05-28
EP1314483A3 EP1314483A3 (fr) 2005-01-05
EP1314483B1 EP1314483B1 (fr) 2006-12-27

Family

ID=7707016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025206A Expired - Lifetime EP1314483B1 (fr) 2001-11-27 2002-11-11 Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment

Country Status (4)

Country Link
EP (1) EP1314483B1 (fr)
AT (1) ATE349282T1 (fr)
DE (2) DE10157966A1 (fr)
ES (1) ES2276883T3 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1500435A2 (fr) 2003-07-23 2005-01-26 Dürr Systems GmbH Procédé et dispositif de commande de potentiel d'un arangement de tuyauteries nettoyées par raclage
EP1344572A3 (fr) * 2002-03-13 2006-03-22 LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH Installation de peinture pour revêtir des objets par un revêtement liquide
WO2006056263A1 (fr) * 2004-11-24 2006-06-01 Eisenmann Anlagenbau Gmbh & Co. Kg. Unite de separation electrique pour un tuyau d'alimentation en liquides
DE102004058053A1 (de) * 2004-12-01 2006-06-14 Dürr Systems GmbH Verfahren und Kolbendosierer zur dosierten Materialversorgung einer Beschichtungsvorrichtung
WO2008071273A2 (fr) 2006-12-12 2008-06-19 Dürr Systems GmbH Dispositif de revêtement équipé d'un dispositif de dosage
DE102006058562A1 (de) 2006-12-12 2008-08-14 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
DE102007029195A1 (de) 2007-06-25 2009-02-19 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
EP2036618A1 (fr) 2006-05-09 2009-03-18 DürrSystems GmbH Système de dosage pour une installation de revêtement
US7908994B2 (en) 2005-10-21 2011-03-22 Duerr Systems, Inc. Automatically steered coating machine also a container for the coating material
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
DE202006021283U1 (de) 2005-10-07 2014-08-27 Dürr Systems GmbH Beschichtungsmittel-Versorgungseinrichtung
WO2017108437A1 (fr) * 2015-12-21 2017-06-29 Eisenmann Se Dispositif de revêtement pour l'application électrostatique d'une matière de revêtement et procédé afférent

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346601A1 (de) 2003-10-07 2005-05-12 Duerr Systems Gmbh Verfahren und System zur Versorgung von Materialverbrauchern über Molchstrecken
DE102004033330A1 (de) * 2004-07-09 2006-02-02 Dürr Systems GmbH Schlauchführung für einen Lackierroboter
DE102006022570A1 (de) 2006-05-15 2007-11-29 Dürr Systems GmbH Beschichtungseinrichtung und zugehöriges Betriebsverfahren
DE102006053921B4 (de) 2006-11-15 2016-11-24 Dürr Systems Ag Lackiermaschine mit einem Zerstäuber und zugehöriges Betriebsverfahren
JP5607723B2 (ja) 2009-04-08 2014-10-15 ファナック ロボティクス アメリカ コーポレイション 改良されたロボット塗装装置及びその操作方法
DE102014016552A1 (de) * 2014-11-08 2016-05-12 Eisenmann Se Beschichtungssystem zum Beschichten von Gegenständen
DE102016001544A1 (de) 2016-02-10 2017-08-10 Eisenmann Se Isolationseinrichtung sowie Beschichtungssystem hiermit
US20200230630A1 (en) * 2017-08-01 2020-07-23 Honda Motor Co., Ltd. Painting system and painting method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0292778A2 (fr) 1987-05-27 1988-11-30 Behr Industrieanlagen GmbH & Co. Procédé et installation de revêtement électrostatique avec un produit de revêtement conducteur
EP0693319A1 (fr) 1994-07-13 1996-01-24 Sames S.A. Dispositif de projection comprenant un réservoir de produit de revêtement et procédé de nettoyage ou de remplissage d'un tel réservoir
EP0796664A2 (fr) 1996-03-18 1997-09-24 Dürr Systems GmbH Installation de revêtement à réservoir interchangeable
DE19937426A1 (de) 1999-08-07 2001-03-15 Eisenmann Lacktechnik Kg Lackiervorrichtung
DE10033987A1 (de) 2000-07-13 2002-01-24 Duerr Systems Gmbh Verfahren zur Versorgung eines Beschichtungsorgans für die elektrostatische Serienbeschichtung von Werkstücken und Versorgungssystem hierfür
DE10131562A1 (de) 2001-06-29 2003-01-16 Duerr Systems Gmbh Verfahren und System zur Versorgung einer Beschichtungsvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742588B4 (de) * 1997-09-26 2009-02-19 Dürr Systems GmbH Verfahren zum serienweisen Beschichten von Werkstücken
DE19961271A1 (de) * 1999-12-18 2001-07-05 Duerr Systems Gmbh Lackiereinrichtung
FR2808709B1 (fr) * 2000-05-15 2002-07-19 Eisenmann France Sarl Procede de recuperation d'un fluide de revetement, tel qu'une peinture, contenu dans une installation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0292778A2 (fr) 1987-05-27 1988-11-30 Behr Industrieanlagen GmbH & Co. Procédé et installation de revêtement électrostatique avec un produit de revêtement conducteur
EP0693319A1 (fr) 1994-07-13 1996-01-24 Sames S.A. Dispositif de projection comprenant un réservoir de produit de revêtement et procédé de nettoyage ou de remplissage d'un tel réservoir
EP0796664A2 (fr) 1996-03-18 1997-09-24 Dürr Systems GmbH Installation de revêtement à réservoir interchangeable
DE19937426A1 (de) 1999-08-07 2001-03-15 Eisenmann Lacktechnik Kg Lackiervorrichtung
DE10033987A1 (de) 2000-07-13 2002-01-24 Duerr Systems Gmbh Verfahren zur Versorgung eines Beschichtungsorgans für die elektrostatische Serienbeschichtung von Werkstücken und Versorgungssystem hierfür
DE10131562A1 (de) 2001-06-29 2003-01-16 Duerr Systems Gmbh Verfahren und System zur Versorgung einer Beschichtungsvorrichtung

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344572A3 (fr) * 2002-03-13 2006-03-22 LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH Installation de peinture pour revêtir des objets par un revêtement liquide
EP1500435A2 (fr) 2003-07-23 2005-01-26 Dürr Systems GmbH Procédé et dispositif de commande de potentiel d'un arangement de tuyauteries nettoyées par raclage
WO2006056263A1 (fr) * 2004-11-24 2006-06-01 Eisenmann Anlagenbau Gmbh & Co. Kg. Unite de separation electrique pour un tuyau d'alimentation en liquides
DE102004058053A1 (de) * 2004-12-01 2006-06-14 Dürr Systems GmbH Verfahren und Kolbendosierer zur dosierten Materialversorgung einer Beschichtungsvorrichtung
DE102004058053B4 (de) * 2004-12-01 2006-12-28 Dürr Systems GmbH Verfahren und Kolbendosierer zur dosierten Materialversorgung einer Beschichtungsvorrichtung
DE202006021283U1 (de) 2005-10-07 2014-08-27 Dürr Systems GmbH Beschichtungsmittel-Versorgungseinrichtung
EP2810719A1 (fr) 2005-10-07 2014-12-10 Dürr Systems GmbH Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
EP2810719B1 (fr) 2005-10-07 2018-06-20 Dürr Systems AG Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
US7908994B2 (en) 2005-10-21 2011-03-22 Duerr Systems, Inc. Automatically steered coating machine also a container for the coating material
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
EP2036618A1 (fr) 2006-05-09 2009-03-18 DürrSystems GmbH Système de dosage pour une installation de revêtement
DE102006058562A1 (de) 2006-12-12 2008-08-14 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
US8333164B2 (en) 2006-12-12 2012-12-18 Duerr Systems, Gmbh Coating apparatus comprising a metering device
WO2008071273A2 (fr) 2006-12-12 2008-06-19 Dürr Systems GmbH Dispositif de revêtement équipé d'un dispositif de dosage
EP2853312A2 (fr) 2006-12-12 2015-04-01 Dürr Systems GmbH Dosage ICC
DE102007029195A1 (de) 2007-06-25 2009-02-19 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
WO2017108437A1 (fr) * 2015-12-21 2017-06-29 Eisenmann Se Dispositif de revêtement pour l'application électrostatique d'une matière de revêtement et procédé afférent

Also Published As

Publication number Publication date
DE10157966A1 (de) 2003-06-05
EP1314483B1 (fr) 2006-12-27
DE50209064D1 (de) 2007-02-08
ATE349282T1 (de) 2007-01-15
EP1314483A3 (fr) 2005-01-05
ES2276883T3 (es) 2007-07-01

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