EP0888825A2 - Procédé et appareil de peinture - Google Patents

Procédé et appareil de peinture Download PDF

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Publication number
EP0888825A2
EP0888825A2 EP98111958A EP98111958A EP0888825A2 EP 0888825 A2 EP0888825 A2 EP 0888825A2 EP 98111958 A EP98111958 A EP 98111958A EP 98111958 A EP98111958 A EP 98111958A EP 0888825 A2 EP0888825 A2 EP 0888825A2
Authority
EP
European Patent Office
Prior art keywords
paint
line
medium
atomizer
coating agent
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
EP98111958A
Other languages
German (de)
English (en)
Other versions
EP0888825A3 (fr
EP0888825B1 (fr
Inventor
Ralf Kahmann
Udo Klein
Winfried Ott
Volker Weiss
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.)
Lactec GmbH GesellschaftfFuer Moderne Lackiertechnik
Lactec GmbH
Original Assignee
Lactec GmbH GesellschaftfFuer Moderne Lackiertechnik
Lactec 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26037944&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0888825(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19728155A external-priority patent/DE19728155A1/de
Priority claimed from DE1998117377 external-priority patent/DE19817377B4/de
Application filed by Lactec GmbH GesellschaftfFuer Moderne Lackiertechnik, Lactec GmbH filed Critical Lactec GmbH GesellschaftfFuer Moderne Lackiertechnik
Publication of EP0888825A2 publication Critical patent/EP0888825A2/fr
Publication of EP0888825A3 publication Critical patent/EP0888825A3/fr
Application granted granted Critical
Publication of EP0888825B1 publication Critical patent/EP0888825B1/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

Definitions

  • the invention relates to a method and a device for painting and especially for cleaning and providing one paint line for another, e.g. different colored paint after atomizing paint one first color.
  • the invention is therefore based on the object of a method and to create a device by means of which it is possible to save effort and losses when cleaning and providing a paint line and related Minimize components.
  • the invention provides that when Clean at least a substantial part of the still in the Paint line located paint back into its storage container flows.
  • the in amount of paint in the paint line using a separating element in the area between the atomizer and Color changer via the open color valve in the color changer is pushed back into the feed line, for which purpose the separating element on the atomizer side with a medium - preferably Detergent or compressed air - is applied, the Pressure above the pre-paint from the supply line to the Color changer lies.
  • a painting system / painting device 1 has on it one, workpiece end according to the block diagram in 1 a paint application device / an atomizer 2 on a paint line 3 e.g. with a color changer 4 is connected.
  • the color changer 4 includes any many storage containers 5, 6, 7 and 8 with paint supply lines for varnishes of different colors / types each with the help of elements not shown under one specified paint form.
  • Controllable with the help Valves 9 are the supply containers 5 to 8 to a paint supply line 10 connectable, which in turn with the paint line 3 is connected.
  • Both the disposal line 11 and the detergent supply 13 and the supply line 14 for compressed air are on the paint supply line 10 from the atomizer 2 seen behind the branch points for the storage containers 5 to 8 arranged.
  • the paint line 3 including atomizer 2 and the Paint supply line 10 due to a paint or color change must be cleaned, it is first ensured that a substantial part of that in the paint line 3 Paint in its storage container, e.g. in the storage container 5 flows back. This varnish is expedient pushed back. This is done using a Aid that is in the paint line 3 Paint from the paint application device / atomizer side 2 towards the paint changer 4 and by suitable Switching the controllable valves 9 into the correct storage container 5 pushes. Serves as an expedient 15 a fluid or a push medium that is close to the atomizer 2 from a line 16 via a connection device 17 is entered into the paint line 3.
  • the Connection device 17 comprises a line connection piece 18 to the paint line 3 and a check valve 19, via the the line connector 18 with the line 16 for the Sliding medium is connected.
  • a flushing medium or compressed air which is also in shape of pulsating compressed air can be added.
  • the supply of line 16 with the aid or the sliding medium in the form of preferably flushing medium takes place from a storage container, not shown in FIG. 1 via a line 20 with the interposition of a Check valve 21 and a control valve 22.
  • the Pressure generator for the compressed air or for the pulsating Compressed air is also not shown in Fig. 1.
  • the for guiding the compressed air line 23 is via a Check valve 24 and a control valve 25 also in the Area of a T-piece 26 connected to line 16.
  • the paint line 3 encompassing device comprises a receiving station 28 for an element 29 which is located in the flow path 30 of the paint line 3.
  • the element 29 is a mechanical cleaning element and / or a Separating element and / or a signal generator and is below referred to as "newt 29". It can also be used as a parking station serving receiving station 28 flows around the paint what will be discussed later.
  • the newt 29 is e.g. plastic ball or a cylindrical body with a preferably smooth surface. Its cross section can be the same, smaller or larger be than the cross section of the paint line receiving it 3 or the paint line piece 3 'between the atomizer side arranged receiving station 28 and a second, in or at the color changer 4 arranged second recording station 31
  • the paint line piece 3 'between the two recording stations 28 and 31 can be flexible and thus e.g. a Be hose.
  • the pig 29 should be a higher one Surface hardness and less elasticity than that own flexible hose material.
  • the second receiving station 31 are also a pig removal device 32 and a pig sensor 33 assigned.
  • the pig removal device 32 is used to replace the Elementes 29 / Molches 29 and the pig sensor 33 inputs Control signal when the pig 29 is in the line piece 3 'is with him.
  • the pig sensor 33 reports this Passing the pig 29 to the control panel, so that in Depending on this signal, the function valves on Color changer 4, etc. can be switched.
  • the pig 29 used is designed in shape and material so that he with magnetic, inductive, optical or other sensors can be identified.
  • paint metering device 34 arranged in the paint line 3 or in one of the Paint line pieces 3 'or 3' '. It can be arranged at the beginning or end and is used to dose the amount of paint to be dispensed in the painting process. In addition, it leaves when backwashing the paint line through suitable measures residual paints and flush media in the backward flow direction.
  • paint of a color I flows e.g. from the Storage container 5 through the paint supply line 10 and through all in the paint line pieces 3 ', 3' 'and 3' '' or in the paint line 3 components to the atomizer 2 and will be delivered there.
  • the pig 29 is in its atomizer side Recording station 28, as shown in Fig. 1 is. The same applies to a paint stop after Painting process with the first color.
  • the pig 29 moves in the paint line 3 or in the Paint line piece 3 'to the second receiving station 31 and then takes a parking position there, as shown in Fig. 3 is shown.
  • the two serving as parking stations for the newt 29 Pickup stations 28 and 31 each have the arrangement shown in FIG. 6 a chamber 40 whose diameter D and length L are each larger than the corresponding dimensions of the Molches 29. Also protrudes into the interior of chamber 40 e.g. pin-shaped stop 41, which prevents that the pig 29 on one end face 42 of the chamber 40 is present when a flow medium, namely paint 35 or Flushing medium 36 in the direction of arrows a through the chamber 40 stream.
  • the stop 41 Due to the dimensions and the shape of the Chamber 40 and e.g. is also achieved by the stop 41 that the pig 29 does not close the chamber 40 can and always get a flow path 30 through the chamber 40 remains.
  • the chamber 40 preferably has one end conical transition 43 to an outlet opening 44 through the pig 29 get into the chamber 40 and so do they again with the corresponding flow direction of the flow medium (Paint 35 or flushing medium 36) can leave.
  • the diameter of the outlet opening 44 is less than that Diameter D of chamber 40 and corresponds to the inside diameter of the paint line piece 3 ', which in a suitable and not shown in Fig. 6 to the outlet opening 44 is connected.
  • the chamber 40 has at its stop 41 or a second at its end belonging to the end face 42 Outlet opening 45, which at the receiving station 28 with the line piece 3, 3 'leading to the atomizer 2 and at the recording station 31 with the leading to the color changer 4 Line piece 3 '' is connected.
  • the is expediently Diameter of the outlet opening 45 is smaller than that of the outlet opening 44.
  • the invention is not based on that specifically shown in the figures Embodiment limited, rather are modifications are still possible without the basic Deviate inventive ideas.
  • the respective limit between paint 35 on the one hand and sliding medium 36 on the other can also be done by volume measurement so that the at the end of the paint changer 4 residual paint to be disposed of 37 recognized and directed into the disposal line 11 can.
  • an element 29 in the form of an elongated, approximately cylindrical Body with a preferably frustoconical end. It consists of a steel core 29 'and a plastic jacket 29 ''. The steel core 29 'serves as a signal generator in Connection with a sensor. Furthermore, the jacket 29 '' according to the embodiment at both ends and at his Circumferential outward annular beads 29 '' ' or ribs or lips for cleaning or stripping of the paint / color on the inner contour of the person receiving it Hose or pipe. Its dimensions and Tolerances are related to the internal dimensions and tolerances of the Adjusted hose or tube. Its length can be a few Millimeters or in some cases a few centimeters.
  • the jacket 29 '' suitably consists of pom, d. H. from a homopolymer such as the one under the trademark "Delrin” plastic on the market.
  • Other materials for the jacket are also conceivable, to ensure good contact with the inner wall of the hose or To reach Rohres.
  • the atomizer 2 can be any application device and in particular a manually operated spray gun be.
  • the detergent line (line 16) can also be used as an alternative can be manually connected to a fixed connection. This is particularly advantageous for hand-held spray guns, because then this line is not on the gun, but on the gun flushing station can be attached.
  • any coating agent using the device 1 can be processed.
  • the invention is therefore not based on limited the use of paint.
  • the element 29 can an exclusively signaling element and / or one at the same time, i.e. the liquid column in front and the liquid column behind element 29 more or less dense separating element. At least temporarily it also becomes in the flow / in the flowing medium arranged when the coating agent in the direction of Storage container 5 flows and at least partially up to is pushed back.
  • the element 29 or the separating element can be provided with or without elastic sealing lips and made of different materials, e.g. made of plastic, metal, rubber, foam and / or Combinations of these materials exist.
  • this can Element 29 itself may be more or less elastic if it ensure an adequate seal to the wall of line 3 should.
  • the transmission of signals to determine its location can be electrical - inductive or by means of magnetic forces respectively.
  • the Element 29 can only have a signaling function and / or at the same time the space in front and the space behind the element 29 have a sealing function. For safety reasons it can expediently before the backflow process shortly before the end of the coating agent Liquid column are arranged. A little The rest must then be disposed of.
  • the element 29 therefore does not necessarily define an exact boundary between the one to be used further and to be regained Coating agent on the one hand and the sliding medium 36 on the other hand.
  • the element 29 (pig) is a according to the embodiment elongated, approximately cylindrical body with a preferably frustoconical end. It exists according to the embodiment from a steel core 29 'and a plastic jacket 29 ''.
  • the steel core 29 ' serves as a signal generator in connection with a sensor.
  • the jacket 29 ′′ points to both Ends as well as ring-shaped on its periphery Beads 29 '' 'or ribs or lips for cleaning or to wipe off the coating agent / varnish / paint on the inner contour of the hose receiving it or Pipe on. Its dimensions and tolerances are close to that Internal dimensions and tolerances of the hose or tube customized. Its length can range from a few millimeters to a few Centimeters.
  • the jacket 29 '' advantageously consists of a homopolymer (POM), such as under the trademark "Delerin” plastic on the market.
  • POM homopolymer
  • Other materials are basically also conceivable for the coat a good fit on the inner wall of the hose or tube to reach.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)
  • Fluid-Driven Valves (AREA)
  • Seal Device For Vehicle (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
EP98111958A 1997-07-03 1998-06-29 Appareil de peinture Expired - Lifetime EP0888825B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19728155A DE19728155A1 (de) 1997-07-03 1997-07-03 Verfahren und Vorrichtung zum Lackieren
DE19728155 1997-07-03
DE19817377 1998-04-18
DE1998117377 DE19817377B4 (de) 1998-04-18 1998-04-18 Verfahren und Vorrichtung zum Zuführen von Lack zu mindestens zwei Zerstäubern

Publications (3)

Publication Number Publication Date
EP0888825A2 true EP0888825A2 (fr) 1999-01-07
EP0888825A3 EP0888825A3 (fr) 1999-08-18
EP0888825B1 EP0888825B1 (fr) 2003-08-20

Family

ID=26037944

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98111958A Expired - Lifetime EP0888825B1 (fr) 1997-07-03 1998-06-29 Appareil de peinture

Country Status (3)

Country Link
EP (1) EP0888825B1 (fr)
AT (1) ATE247529T1 (fr)
DE (1) DE59809327D1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937474A1 (de) * 1999-08-07 2001-03-22 Eisenmann Lacktechnik Kg Lackiervorrichtung mit einer Pistoleneinheit, einer Farbwechseleinrichtung und einer molchbaren Verbindungseinrichtung
FR2808709A1 (fr) * 2000-05-15 2001-11-16 Eisenmann France Sarl Procede de recuperation d'un fluide de revetement, tel qu'une peinture, contenu dans une installation
EP1270083A1 (fr) * 2001-06-29 2003-01-02 Dürr Systems GmbH Système et procédé pour alimenter un appareil de revêtement par des écouvillions
EP1314480A1 (fr) * 2001-11-27 2003-05-28 Dürr Systems GmbH Procédé et appareil pour un système d'alimentation en peinture dans un appareil de revêtement avec un ramoneur
EP1319439A1 (fr) * 2001-12-14 2003-06-18 Systems GmbH Dürr Dispositif de detection pour une partie d'une installation de revêtement, ladite partie étant à haute tension
WO2004009246A1 (fr) * 2002-07-20 2004-01-29 Eisenmann Lacktechnik Gmbh & Co. Kg Dispositif pour alimenter en energie electrique un capteur a potentiel electrique eleve dans une installation de peinture
EP1439344A3 (fr) * 2003-01-20 2006-05-17 Dürr Systems GmbH Râcleur
US7066186B2 (en) 2001-08-17 2006-06-27 Itw Oberflachentechnik Gmbh & Co. Kg Method and apparatus mounted on a painting system to clean a paint feed line
DE10120077B4 (de) * 2001-04-24 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
DE10064065B4 (de) * 1999-12-22 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
US8671495B2 (en) 2006-11-06 2014-03-18 Durr Systems, Inc. Scraper pig
EP3656476A4 (fr) * 2017-07-18 2021-04-21 ABB Schweiz AB Dispositif de peinture
CN113019772A (zh) * 2021-04-21 2021-06-25 福建工程学院 用于汽车油漆涂装快速换色系统的射流走珠及控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4342128A1 (de) 1993-12-10 1995-06-14 Abb Patent Gmbh Farbauftragvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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DE3221327A1 (de) * 1982-06-05 1983-09-15 Daimler-Benz Ag, 7000 Stuttgart Anlage zum farbspritzen von serienteilen wechselnder farbe
DE3221326A1 (de) * 1982-06-05 1983-06-16 Daimler-Benz Ag, 7000 Stuttgart Anlage zum maschinellen farbspritzen von serienteilen
JPS6391162A (ja) * 1986-10-02 1988-04-21 Mazda Motor Corp 塗装方法およびその装置
JPH04260463A (ja) * 1991-02-15 1992-09-16 Daihatsu Motor Co Ltd 自動塗装機の色替え装置
US5221047A (en) * 1991-08-13 1993-06-22 Gmfanuc Robotics Corporation Method and system for cleaning a paint supply line and changing paint colors in production paint operations
DE4423643A1 (de) * 1994-07-06 1996-01-11 Ind Lackieranlagen Schmidt Gmb Einrichtung zum Lackieren von Gegenständen mit verschiedenen Farben
DE19709988C2 (de) * 1997-03-11 2002-01-24 Inlac Ind Lackieranlagen Gmbh Lackiereinrichtung mit mehreren kreisförmig geführten Farbleitungen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4342128A1 (de) 1993-12-10 1995-06-14 Abb Patent Gmbh Farbauftragvorrichtung

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937474C2 (de) * 1999-08-07 2001-08-02 Eisenmann Lacktechnik Kg Lackiervorrichtung mit einer Pistoleneinheit, einer Farbwechseleinrichtung und einer molchbaren Verbindungseinrichtung
DE19937474A1 (de) * 1999-08-07 2001-03-22 Eisenmann Lacktechnik Kg Lackiervorrichtung mit einer Pistoleneinheit, einer Farbwechseleinrichtung und einer molchbaren Verbindungseinrichtung
DE10064065B4 (de) * 1999-12-22 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
FR2808709A1 (fr) * 2000-05-15 2001-11-16 Eisenmann France Sarl Procede de recuperation d'un fluide de revetement, tel qu'une peinture, contenu dans une installation
WO2001087496A1 (fr) 2000-05-15 2001-11-22 Eisenmann France Sarl Procede de recuperation d'un fluide de revêtement, tel qu'une peinture, contenu dans une installation
DE10120077B4 (de) * 2001-04-24 2006-07-27 Dürr Systems GmbH Beschichtungssystem für die automatisierte Beschichtungstechnik
EP1270083A1 (fr) * 2001-06-29 2003-01-02 Dürr Systems GmbH Système et procédé pour alimenter un appareil de revêtement par des écouvillions
US7117877B2 (en) 2001-08-17 2006-10-10 Itw Oberflachentechnik Gmbh & Co. Kg Method of cleaning a paint feed line of a painting system
US7066186B2 (en) 2001-08-17 2006-06-27 Itw Oberflachentechnik Gmbh & Co. Kg Method and apparatus mounted on a painting system to clean a paint feed line
EP1314480A1 (fr) * 2001-11-27 2003-05-28 Dürr Systems GmbH Procédé et appareil pour un système d'alimentation en peinture dans un appareil de revêtement avec un ramoneur
EP1319439A1 (fr) * 2001-12-14 2003-06-18 Systems GmbH Dürr Dispositif de detection pour une partie d'une installation de revêtement, ladite partie étant à haute tension
WO2004009246A1 (fr) * 2002-07-20 2004-01-29 Eisenmann Lacktechnik Gmbh & Co. Kg Dispositif pour alimenter en energie electrique un capteur a potentiel electrique eleve dans une installation de peinture
US7259365B2 (en) 2002-07-20 2007-08-21 Eisenmann Lacktechnik Gmbh & Co. Kg Device for supplying with electric energy a sensor that has a high electric potential
EP1439344A3 (fr) * 2003-01-20 2006-05-17 Dürr Systems GmbH Râcleur
US8671495B2 (en) 2006-11-06 2014-03-18 Durr Systems, Inc. Scraper pig
EP3656476A4 (fr) * 2017-07-18 2021-04-21 ABB Schweiz AB Dispositif de peinture
EP3656476B1 (fr) 2017-07-18 2023-01-18 ABB Schweiz AG Dispositif de peinture
US11618048B2 (en) 2017-07-18 2023-04-04 Abb Schweiz Ag Painting device
CN113019772A (zh) * 2021-04-21 2021-06-25 福建工程学院 用于汽车油漆涂装快速换色系统的射流走珠及控制方法

Also Published As

Publication number Publication date
EP0888825A3 (fr) 1999-08-18
ATE247529T1 (de) 2003-09-15
EP0888825B1 (fr) 2003-08-20
DE59809327D1 (de) 2003-09-25

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