EP1384518A2 - Procédé ainsi qu'ensemble de valves pour commander le changement de couleur dans une installation de revêtement - Google Patents

Procédé ainsi qu'ensemble de valves pour commander le changement de couleur dans une installation de revêtement Download PDF

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Publication number
EP1384518A2
EP1384518A2 EP03016337A EP03016337A EP1384518A2 EP 1384518 A2 EP1384518 A2 EP 1384518A2 EP 03016337 A EP03016337 A EP 03016337A EP 03016337 A EP03016337 A EP 03016337A EP 1384518 A2 EP1384518 A2 EP 1384518A2
Authority
EP
European Patent Office
Prior art keywords
color
paint
channel
valve
valves
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
EP03016337A
Other languages
German (de)
English (en)
Other versions
EP1384518A3 (fr
EP1384518B1 (fr
Inventor
Rainer Melcher
Stefano Giuliano
Thomas Buck
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 EP1384518A2 publication Critical patent/EP1384518A2/fr
Publication of EP1384518A3 publication Critical patent/EP1384518A3/fr
Application granted granted Critical
Publication of EP1384518B1 publication Critical patent/EP1384518B1/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
    • B05B12/149—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 characterised by colour change manifolds or valves therefor
    • 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 for controlling the color change in a coating plant and a color change valve arrangement according to the preamble of the independent claims.
  • Color change valve arrangements or short color changer allow in paint shops for serial coating of workpieces such as For example, motor vehicles during Lackier horrins a quick change from one color to another and persist mainly of a number of controllable paint valves, distributed along a color channel common to all colors are (DE 198 36 604, DE 199 51 956). Before switching to A new color is necessary for each, all color-leading Parts in and after the color changer with compressed air and thinner or any other detergent to clean, for what additional Valves are provided. Another valve is used for ventilation and disposal of the rinse and paint residues in one Return line.
  • the color changer usually consist of modular needle valve blocks whose color, pulse air, detergent and recirculation valves in the housing of the color changer are distributed along a central color channel, in each case two valves can face each other in a boxer arrangement.
  • the valves may be e.g. also single-breasted or in the color channel circularly surrounding groups along the Be distributed color channel.
  • the color channel is at one end of the Color changer closed and opens at the other end in one for example, to a nebulizer leading output line.
  • the disadvantages of the known color changers are the color and Rinse aid losses in the paint channel and for rinsing the paint channel necessary rinsing time.
  • the invention is based on the object, the Loss of coating material and detergent in a Color change and reduce the time required for rinsing.
  • the color change is the size of the color channel in each case to the necessary length between the in each case selected Reduced color valve and the output of the color changer and thereby a substantial reduction of its color change reached to be cleaned volume.
  • the method described here and the color changer are suitable especially for paint shops for wet paint or powder paint (hereinafter referred to as coating material) for the standard Coating of workpieces such as motor vehicle bodies.
  • the color changer shown in Fig. 1 consists in per se usual Way mainly of several linear in boxer arrangement placed color valves F1-F5, which in a common Housing 1 are connected via a central color channel 10. Your Number is usually much larger in practice than shown.
  • the color valves are as opening into the paint channel 10 Needle valves formed by a controlled drive 9 slidable needle the way from a supply line 12th in the color channel opens or closes. At the exit of the Color channel 10 is an example in the direction of a nebulizer leading hose connected as output line 4.
  • the color valves similar controlled Valves PL, V and RF arranged the pulse air and thinner feed or as a vent valve after cleaning to be disposed of thinner and paint residues in a return line conduct.
  • the gate valve 7 of the Drive unit 8 moves to a position at which the shut-off 6 directly on the output line 4 facing away Side of the mouth of the paint valve F3 in the paint channel 10, i. placed at the hole connecting the valve with the paint channel is. This will make the entire unneeded part of the Color channel 10 closed against the color changer output.
  • the coating material flows via its supply line 12 only from this Valve directly to the common output line of the color changer.
  • the slide 7 After closing the used in the illustrated example Color valve F3, the slide 7 so far in the output line turned away from the direction that the color channel 10 and also the end face of the sealing and Absperrelements 6 cleaned with the introduced through the valves V and PL media and the media are discharged through the valve RF can. Furthermore, the color channel 4 through the shut-off 6 itself be cleaned, for this purpose by the slide 7th to the output of the color channel and possibly to the output line 4 is pushed and here like a pig on the inner wall of the channel strips off adhering media remains.
  • Deviating from the illustrated embodiment also exists the possibility of valve functions such as the rinsing agent, Pulse air and / or recirculation valve V, PL or RF not in the housing 1, but at least the outlet or inlet openings install in the gate valve 7 and mitzubewegen.
  • valve functions such as the rinsing agent, Pulse air and / or recirculation valve V, PL or RF not in the housing 1, but at least the outlet or inlet openings install in the gate valve 7 and mitzubewegen.
  • the gate valve could be used for rinsing in his previous shut-off remain and the color channel 10 also When flushing to shorten accordingly.
  • the shut-off element 6 can be firmly connected to the slide 7 But there is also the possibility, then expedient trained as a pig shut-off from the output line 4 coming through the paint channel 10 through up to press the front end of the slider 7, in this case so is set that the pig as shut-off 6, the color channel at the opening color valve F3 seals.
  • a pig of the paint channel 10 can not be pressed back spent coating material in the relevant feed line 12 through the previously and then reopened paint valve F3 according to the known reflow method and / or for conveying of the previously introduced through the paint valve coating material towards the atomizer in the for the coating process each predetermined amount, e.g. after this also known per se push-out method be useful.
  • both the output line 4 forming Hose and the paint channel 10 and their connection. 3 preferably formed piggable, wherein (as opposed to because of internal heels and diameter changes not piggable connections known color changer) at Continuously constant internal diameter stepless and transitionless should be connected to each other.
  • the end face of the needle 14 is shown through the concave rounded recess 15 of the cross-sectional shape the color channel 10 adapted so that not only dead spaces avoided are but also the end face of the needle 14 from the on hermonyistFromden shut-off 6 or pig cleaned can be.
  • Another way to reduce dead spaces and improve the flushability is a non-circular, for example oval cross-sectional shape of the paint channel according to the DE 198 36 604.
  • FIG. 3 The illustrated in Fig. 3 embodiment of the invention agrees with respect to the housing 201, which contained therein Valves F1 to F5, PL, V and RF, the valve actuator 209 and the Supply lines 212 for the coating material and in terms via the preferably piggable compound 203 at connected to the color channel of the color changer tubular Output line 204 with the color changer of FIG. 1 match.
  • Valves F1 to F5, PL, V and RF the valve actuator 209 and the Supply lines 212 for the coating material and in terms via the preferably piggable compound 203 at connected to the color channel of the color changer tubular Output line 204 with the color changer of FIG. 1 match.
  • a tubular element 202 the connected at its one end to the piggable connection 203 and slidable in the central channel of the color changer is introduced so that the interior of the tubular element 202 in this embodiment, the actual color channel 210 of the color changer forms.
  • the tubular element 202 is (In principle similar to the gate valve 7 in Fig. 1) of a drive device 205 set so that in the Pipe wall at 211 provided opening (not shown) with the mouth of the selected color valve, here so the Valve F3, is aligned.
  • the circumference of the tubular element 202 is appropriate against the inner wall of the surrounding central Color changer channels sealed.
  • the pipe element can from his Drive device 205 as shown together with the connection 203 and the output line 204 are moved.
  • the Color channel closing actual shut-off by the closed bottom of the tubular element 202 may be formed, the in this case are located directly at the opening 211 of the pipe wall can.
  • shut-off element in the pipe element slidable sealing body or pig 206 it is also possible as a shut-off element in the pipe element slidable sealing body or pig 206 to use in the displaceable tubular element 202 on the output line 204 opposite side immediately at the inlet opening 211 of the pipe wall is placed.
  • the tubular element 202 can be for this purpose through the entire color changer extend and on the output line 204 opposite side the opening 211 a slider 207 included, the one of own drive device 208 within the tubular element 202 in turn is displaceable to the position of the sealing body or to define Molch's 206 and feed it through the pipe slide.
  • the slider 207 and its drive device 208 can from the drive device 205 of the tubular element 202 with this be moved.
  • the pig 206 could also be replaced by a slide 207 Compressed air from the end of the tube member 202 pushed out become.
  • the sealing body or Pig 206 can move tube member 202 to a position be in which the opening 211 or possibly more such openings aligned in the pipe wall with the valves PL, V and RF are. Similar to the case of the embodiment of FIG. 1 But these valve functions could also with the pipe element combined and moved.

Landscapes

  • Spray Control Apparatus (AREA)
  • Pens And Brushes (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Coating Apparatus (AREA)
EP03016337A 2002-07-23 2003-07-18 Procédé ainsi qu'ensemble de valves pour commander le changement de couleur dans une installation de revêtement Expired - Lifetime EP1384518B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10233404A DE10233404A1 (de) 2002-07-23 2002-07-23 Verfahren und Ventilanordnung zum Steuern des Farbwechsels in einer Beschichtungsanlage
DE10233404 2002-07-23

Publications (3)

Publication Number Publication Date
EP1384518A2 true EP1384518A2 (fr) 2004-01-28
EP1384518A3 EP1384518A3 (fr) 2005-11-16
EP1384518B1 EP1384518B1 (fr) 2008-03-12

Family

ID=29796522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03016337A Expired - Lifetime EP1384518B1 (fr) 2002-07-23 2003-07-18 Procédé ainsi qu'ensemble de valves pour commander le changement de couleur dans une installation de revêtement

Country Status (4)

Country Link
EP (1) EP1384518B1 (fr)
AT (1) ATE388765T1 (fr)
DE (2) DE10233404A1 (fr)
ES (1) ES2301739T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2361691A1 (fr) 2010-02-19 2011-08-31 Ramseier Koatings Technologies AG Sélecteur pour fluides
EP2425899A1 (fr) * 2010-09-06 2012-03-07 LacTec GmbH Changeur de teinte

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006058562A1 (de) * 2006-12-12 2008-08-14 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
RU2427432C2 (ru) 2006-12-12 2011-08-27 Дюрр Системз Гмбх Устройство для нанесения покрытий с дозировочным устройством

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19836604A1 (de) 1998-08-12 2000-03-09 Duerr Systems Gmbh Ventilanordnung zur Steuerung des Materialflusses in einer Beschichtungsanlage
DE19951956A1 (de) 1999-10-29 2001-06-13 Duerr Systems Gmbh Ventilanordnung und Verfahren zum Spülen eines Farbwechslers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19846073A1 (de) * 1998-10-06 2000-04-27 Daimler Chrysler Ag Vorrichtung zum Spülen von Lackiereinrichtungen
JP3803034B2 (ja) * 2000-03-15 2006-08-02 株式会社大気社 塗装装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19836604A1 (de) 1998-08-12 2000-03-09 Duerr Systems Gmbh Ventilanordnung zur Steuerung des Materialflusses in einer Beschichtungsanlage
DE19951956A1 (de) 1999-10-29 2001-06-13 Duerr Systems Gmbh Ventilanordnung und Verfahren zum Spülen eines Farbwechslers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2361691A1 (fr) 2010-02-19 2011-08-31 Ramseier Koatings Technologies AG Sélecteur pour fluides
EP2425899A1 (fr) * 2010-09-06 2012-03-07 LacTec GmbH Changeur de teinte
US8636029B2 (en) 2010-09-06 2014-01-28 Lactec Gmbh Color changer

Also Published As

Publication number Publication date
EP1384518A3 (fr) 2005-11-16
ATE388765T1 (de) 2008-03-15
DE50309357D1 (de) 2008-04-24
DE10233404A1 (de) 2004-02-05
EP1384518B1 (fr) 2008-03-12
ES2301739T3 (es) 2008-07-01

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