EP0307865A2 - Procédé et appareil de nettoyage automatique de pistolets de pulvérisation salis par la peinture - Google Patents

Procédé et appareil de nettoyage automatique de pistolets de pulvérisation salis par la peinture Download PDF

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Publication number
EP0307865A2
EP0307865A2 EP88114954A EP88114954A EP0307865A2 EP 0307865 A2 EP0307865 A2 EP 0307865A2 EP 88114954 A EP88114954 A EP 88114954A EP 88114954 A EP88114954 A EP 88114954A EP 0307865 A2 EP0307865 A2 EP 0307865A2
Authority
EP
European Patent Office
Prior art keywords
paint
cleaning
liquid
spray guns
jet
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.)
Withdrawn
Application number
EP88114954A
Other languages
German (de)
English (en)
Other versions
EP0307865A3 (fr
Inventor
Gottlob Schwarzwälder
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.)
ABAKUS CLEANING INVENTION AG
Original Assignee
Abakus Cleaning Invention 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 Abakus Cleaning Invention AG filed Critical Abakus Cleaning Invention AG
Publication of EP0307865A2 publication Critical patent/EP0307865A2/fr
Publication of EP0307865A3 publication Critical patent/EP0307865A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass

Definitions

  • the invention relates to a method and a device for fully automatic cleaning of paint or paint-soiled spray guns.
  • the channels and cavities in the interior of the spray gun are cleaned only by pouring a solvent into the paint cup, which is then driven by means of the compressed air for the purpose of flushing through the channels of the spray gun, the spray nozzle of the spray gun being attached to the mouthpiece of a suction device is held. It is readily apparent to any person skilled in the art that the previously known device is absolutely unsuitable for practice and is still hazardous to health and practically does not improve the cleaning method previously used.
  • the invention has for its object to propose a method according to which a quick and complete and largely automatic cleaning of paint or varnish-soiled spray guns can be achieved without using the usual specific solvents for paints and varnishes without fear of health damage and the environment is charged excessively. Furthermore, it was necessary to create a device which was particularly suitable for carrying out the method and which met all the requirements placed on it.
  • the device in a first embodiment the device consists of a cabinet-like housing 11 which has a loading and removal opening 12 on its front side, which can be closed by means of sliding doors 13.
  • a loading and removal opening 12 on its front side, which can be closed by means of sliding doors 13.
  • two containers 14 and 15 open at the top are arranged closely next to one another, both of which contain a cleaning liquid or, on the one hand, a cleaning and on the other hand a rinsing liquid.
  • the spray guns 24 to be freed of paint and varnish residues are first immersed in the liquid of the container 14 and then in that of the container 15.
  • At the The wall and optionally on the bottom of the container 14 are transducers 16a excited by the ultrasound device 16 arranged in the device housing 11, the vibrations of which are transmitted to the liquid in the container 14. If necessary, transducers can also be provided for the second container 15.
  • the cleaning effect can be improved if the containers 14, 15 containing the cleaning or rinsing liquid are assigned a circulating device, for example in the form of a circulating pump 17, by means of which the liquid can be moved continuously or optionally also discontinuously.
  • a circulating device for example in the form of a circulating pump 17, by means of which the liquid can be moved continuously or optionally also discontinuously.
  • a transverse slide track 19 consisting of guide rails 18, along which a transport slide 20, which carries a lifting device 21, can be moved back and forth.
  • a bracket 22 for the spray guns to be cleaned can be moved vertically up and down by means of the lifting device 21.
  • a holder 22 is shown, on which two spray guns 24 can be attached in order to immerse them in the liquid in the containers 14 and 15 and to lift them out of the latter.
  • the bracket 22 consists of a linkage 23 which is attached to the lifting device 21. At the lower end of the linkage 23 there are connecting pieces or couplings 26, to which the spray guns 24 to be cleaned can be attached with their compressed air connecting piece.
  • the couplings 26 are optionally connected to compressed air lines 25 in order, if desired, to be able to blow air through the channels in the spray guns 24. However, it is also possible to connect the couplings with hydraulic fluid lines in order to provide cleaning or rinsing fluid to be able to press through the channels of the spray guns 24.
  • the slide track 19 and the entire device for moving the spray guns 24 to be cleaned during the cleaning process can, as shown in the drawing, be arranged outside the housing 11 and in particular above the upper cover plate 27 thereof.
  • the lifting device 21 projects through a slot 28 in the cover plate 27 into the housing interior 29.
  • movable slides or bands 30 are provided, which are each taken along when the lifting device 21 moves along the slot 28.
  • the lifting device can, for example, a telescopic rod or the like. have, at the lower end of which the holder or the basket for the spray guns to be cleaned is arranged.
  • the carriage 20 is moved transversely and the holder 22 is moved vertically.
  • This is done by means of motorized drive elements, for example in the form of a pneumatic, hydraulic or electric drive or servo motor or the like, optionally with the interposition of a gear or drive, using suitable known components.
  • the drive elements are controlled by a control unit according to a certain adjustable program, so that the movements of the moving parts to be carried out during the cleaning process automatically take place in succession.
  • a semi-automatic tables or a purely manual control can be provided.
  • the spray guns which are contaminated with paint or varnish, are cleaned as follows:
  • the spray guns to be cleaned are attached to the linkage 23 of the holder 22 and, if necessary simultaneously, connected to the compressed air or pressure fluid lines.
  • the spray guns 24 to be cleaned are fastened to the holder 22 and the sliding doors 13 of the cabinet-like housing 11 are closed, as soon as the spray guns 24 are immersed in the cleaning liquid, the ultrasound device 16 is switched on, the transducers 16a of which transmit the vibration energy to them Transfer contact liquid in the container 14.
  • the spray guns 24 are then preferably moved up and down several times in the cleaning liquid in the container 14 by means of the lifting device 21.
  • compressed air and / or pressure liquid can be pressed via the lines 25 and the connecting couplings 26 through the channels and cavities in the interior of the spray guns 24.
  • the cleaning liquid is constantly moved by means of the circulating pump 17, in order in particular to distribute paint residues removed from the spray guns to be cleaned in the cleaning liquid.
  • the cleaning process described above is preferably followed by a second and possibly a third cleaning process and at least one rinsing process.
  • the cleaning and also the rinsing liquid are constantly circulated by means of the circulation pumps during the cleaning and rinsing process, whereby they pass through a filter.
  • the spray guns 24 to be cleaned are lifted out of the cleaning liquid in the container 14 and then immersed in the liquid in the second container 15 and moved therein. After the rinsing process, the cleaned and rinsed spray guns are lifted out of the liquid in the container 15.
  • an oscillation generator can be arranged on the holder 22, which vibrates the linkage 23 and thus the spray guns 24.
  • the spray guns can be placed in a drying chamber in order to expose them to a hot air stream, for example, in order to dry them.
  • All operations during the above-described method steps can preferably be controlled fully automatically by a control device arranged in the device housing 11. If required, however, individual operations can be carried out manually controlled.
  • FIG. 2 has in principle the same structure as that of FIG. 1, from which it differs essentially in that there is between the containers 14 and 15 for the cleaning or rinsing liquid and the rear wall 41 of the housing 11 is a cavity 42 in which the lifting device 43 with its slide 44 is movable back and forth along the running rail 45 attached to the rear wall 41.
  • the lifting device 43 shown consists of a conventional pneumatic or hydraulic cylinder 46, the upwardly extendable piston rod 47 of which is provided with a support arm 48 which carries the holder 49 with the linkage 50 for the connecting couplings 51.
  • the holder 49 is adjustable along the support arm 48 and clamped to it and has between the linkage 50 and the couplings 51 joints 52, which allow the spray guns 24 to be set in such a position that the axis of the paint cups 24a of the spray guns 24 lies vertically and coaxially to the axis of the jet pipes 53 with the jet nozzles 54, which are fastened in an opening in the bottom 14a or 15a of the containers 14 or 15, as can be seen in particular from FIG. 3.
  • the jet pipe 53 with its jet nozzle 54 at the upper free end has the task of introducing a cleaning or rinsing liquid jet into the paint supply channel 55 and into the cavities in the interior of the spray guns 24, so that they are also free of paint or paint residues.
  • the jet pipe 53 can, as shown in FIG. 3, be designed as a telescopic pipe, the pipe section 53b carrying the nozzle 54 and being axially displaceably mounted in the standpipe 53a being extended upwards when pressure is applied and the jet nozzle 54 entering the paint supply channel 55.
  • a plurality of radial pipe sockets 56 are arranged, the jet nozzles 57 of which are set such that the jets emerging from them flow tangentially onto the outer and advantageously also the inner wall of the paint cups 24a and thus also for movement of the liquid into the Provide containers 14 and 15 respectively.
  • the jet pipes 53 it is also possible to design the jet pipes 53 to be self-centering.
  • the jet pipe 53 ' as shown in FIG. 4, has a flexible hose piece 58, which has at its upper, free end a jet nozzle 59 with radial flexible sensors 60 which slide along the inner wall of the paint cup 24a and thus the jet nozzle 60 center.
  • linkage 61 is connected to the lifting device and has a platform 62 at its lower end, which consists of a perforated plate or a grid or the like. consists, wear on which the spray guns 24 are placed with their paint cup 24a.
  • a clamping device 65 is located on the rod 61, which e.g. consists of a clip engaging the neck 24b of the ink cup 24a.
  • the cleaning or rinsing liquid system of the device is shown in FIG. 6, for example.
  • the circuits for the cleaning liquid in the container 14 and for the rinsing liquid in the container 15 are advantageously separated from one another in order to avoid mixing of the two liquids with one another, even if the cleaning and rinsing processes take place in succession, and one circulation pump could therefore be used.
  • both circulation pumps 71 and 72 can be driven by means of only a single motor 73 for reasons of economy.
  • the liquid in the containers 14 and 15 first flows through the filters 74 and 75 with an exchangeable filter body arranged on a wall and reaches the pump 71 and 72 via the suction line 76 and 77.
  • the pressure line 78 and 79 is either included the jet pipes 53 can be connected inside the containers 14 or 15 or with the flexible connecting hose 80 or 81.
  • the control takes place with the help of the solenoid valves 82, 83 and 84, 85.
  • the flexible connection hoses 80, 81 are provided in the event that spray guns without paint cups, but with a connecting piece for the coupling of a paint supply hose are to be cleaned. To clean the channels and cavities in the interior of such spray guns, the cleaning or rinsing liquid is supplied to them via the hoses 80 and 81 coupled to the paint supply connecting piece.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP88114954A 1987-09-14 1988-09-13 Procédé et appareil de nettoyage automatique de pistolets de pulvérisation salis par la peinture Withdrawn EP0307865A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3730828 1987-09-14
DE3730828 1987-09-14
DE3734267 1987-10-09
DE19873734267 DE3734267A1 (de) 1987-09-14 1987-10-09 Geraet zum halb- bzw. vollautomatischen reinigen von farb- und lackspritzpistolen od. dgl. sowie von farb- und lackverschmutzten gegenstaenden

Publications (2)

Publication Number Publication Date
EP0307865A2 true EP0307865A2 (fr) 1989-03-22
EP0307865A3 EP0307865A3 (fr) 1990-01-31

Family

ID=25859751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114954A Withdrawn EP0307865A3 (fr) 1987-09-14 1988-09-13 Procédé et appareil de nettoyage automatique de pistolets de pulvérisation salis par la peinture

Country Status (10)

Country Link
US (1) US4881561A (fr)
EP (1) EP0307865A3 (fr)
JP (1) JPH01107863A (fr)
KR (1) KR890004779A (fr)
AU (1) AU2218488A (fr)
DE (2) DE3734267A1 (fr)
DK (1) DK509688A (fr)
FI (1) FI884204A (fr)
NO (1) NO884047L (fr)
PT (1) PT88497A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687942A1 (fr) * 1992-02-27 1993-09-03 Peugeot Procede et dispositif de moulage de noyaux en sable de fonderie contenant une resine durcissable, permettant d'eviter le colmatage de buses d'injection du sable.
DE10014782A1 (de) * 2000-03-27 2001-10-11 Bruns Wuestefeld Stefan Online-Reinigung von Formtrennmittelsprühköpfen sowie Lackiersprühköpfen mit Ultraschall
FR2900073A1 (fr) * 2006-04-20 2007-10-26 Aerosec Ind Sarl Procede et dispositif de nettoyage de produits souilles.
EP3067122A1 (fr) * 2015-03-11 2016-09-14 B-TEC GmbH Dispositif de nettoyage

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US5090430A (en) * 1990-02-02 1992-02-25 Agape Enterprises, Inc. Ultrasonic cleaning system for fluorescent light diffuser lens
JP2593237B2 (ja) * 1990-07-31 1997-03-26 三菱電機株式会社 浸漬洗浄装置
ES2025998A6 (es) * 1990-09-24 1992-04-01 Agullo Ing Maquina para el lavado por inmersion de piezas mecanizadas.
US5183066A (en) * 1991-04-02 1993-02-02 General Dynamics Corp., Air Defense Systems Division Spray nozzle cleaning apparatus and method
TW318190B (fr) * 1993-10-06 1997-10-21 Hitachi Shipbuilding Eng Co
US5849104A (en) * 1996-09-19 1998-12-15 Yieldup International Method and apparatus for cleaning wafers using multiple tanks
DE19500410A1 (de) * 1995-01-10 1996-07-18 Amir Dr Zahedi Verfahren zum Entfernen von Klebstoffrückständen
US5704381A (en) * 1996-01-25 1998-01-06 Northrop Grumman Corporation Enclosed spray gun and accessories cleaning apparatus
DE19619000A1 (de) * 1996-05-10 1997-11-20 Gottlob Schwarzwaelder Vorrichtung und Verfahren zum Reinigen von farb- und lackverschmutzten Gegenständen
DE19623899A1 (de) * 1996-06-07 1997-12-11 Rolf Charlier Verfahren zum Entlacken von Holz
US5855034A (en) * 1996-12-20 1999-01-05 Milliken Research Corporation Method and apparatus for cleaning colorant applicators
US6119706A (en) * 1997-09-22 2000-09-19 Lucent Technologies Inc. Apparatus for cleaning electronic components
US6047717A (en) * 1998-04-29 2000-04-11 Scd Mountain View, Inc. Mandrel device and method for hard disks
US6227214B1 (en) * 1998-10-02 2001-05-08 Mansur Industries Inc. Vapor containment and recovery system on a general parts washer apparatus
US5970995A (en) * 1998-12-31 1999-10-26 Schy; William W. Kit for removing calcium deposits in a shower head without removing the shower head from a shower arm
WO2000053345A1 (fr) * 1999-03-10 2000-09-14 Graco Inc. Pulverisateur a capacite de rinçage inverse
US6363952B1 (en) 1999-12-09 2002-04-02 Daimlerchrysler Corporation Cleaning apparatus for paint applicator heads
SE515840C3 (sv) * 2000-09-01 2001-10-30 Hedson Technologies Ab Anordning för att tvätta sprutpistoler med lösningsmedel
FI20010772A (fi) * 2001-04-12 2002-10-13 Kibron Inc Oy Mittauslaite
US20030000257A1 (en) * 2001-06-29 2003-01-02 Chang Chester Hann Huei Single step fiber preparation
US20080087308A1 (en) * 2004-01-16 2008-04-17 Mark Ehlman Scuderi Parts washer with solvent recycler
US7785420B2 (en) 2006-08-01 2010-08-31 Hedson Technologies Ab Method for cleaning a spray gun
DE102006049937A1 (de) * 2006-10-19 2008-04-30 Quinting, René Verfahren zum Reinigen von wiederverwendbaren transportablen Behältern
DE102007052067B4 (de) * 2007-10-30 2014-08-21 Sata Gmbh & Co. Kg Reinigungsvorrichtung zur Reinigung von Spritzpistolen
JP2012061505A (ja) * 2010-09-16 2012-03-29 Showa Kogyo:Kk 離型剤スプレーカセットの洗浄装置及びそれを用いた離型剤スプレーカセットの洗浄方法
CN104759438B (zh) * 2015-04-16 2017-09-29 传美讯电子科技（珠海）有限公司 一种用于喷墨墨水的墨袋清洗设备及墨袋清洗方法
CN105457938B (zh) * 2016-01-12 2017-12-05 常州朗锐凯迩必减振技术有限公司 高度阀腔体自动清洗机及其清洗方法
CN105880217B (zh) * 2016-06-25 2018-09-07 浙江浦江华德水晶科技股份有限公司 一种水晶清洗机
JP6869756B2 (ja) * 2017-03-10 2021-05-12 株式会社Ｓｃｒｅｅｎホールディングス ノズルクリーニング装置およびノズルクリーニング方法
GB201821018D0 (en) * 2018-12-21 2019-02-06 Realmthree Ltd Ultrasonic cleaning apparatus
CN113305098B (zh) * 2021-05-25 2022-11-29 云南电网有限责任公司电力科学研究院 一种均压电极垢样检测及去除装置和使用方法

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EP0230245A2 (fr) * 1986-01-20 1987-07-29 STERN, Leif Einar Dispositif de nettoyage des conduits de distribution de peinture d'un pistolet de pulvérisation
EP0240763A1 (fr) * 1986-04-05 1987-10-14 Henkel Kommanditgesellschaft auf Aktien Procédé de nettoyage de pièces solides sales
CH663734A5 (de) * 1981-08-07 1988-01-15 Edward A Pedziwiatr Einrichtung zur ultraschallreinigung.
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Publication number Priority date Publication date Assignee Title
DE2523631B2 (de) * 1974-05-31 1980-04-03 Rca Corp., New York, N.Y. (V.St.A.) Verfahren und Vorrichtung zur Ultraschallreinigung
CH663734A5 (de) * 1981-08-07 1988-01-15 Edward A Pedziwiatr Einrichtung zur ultraschallreinigung.
EP0230245A2 (fr) * 1986-01-20 1987-07-29 STERN, Leif Einar Dispositif de nettoyage des conduits de distribution de peinture d'un pistolet de pulvérisation
US4736759A (en) * 1986-02-21 1988-04-12 Robert A. Coberly Apparatus for cleaning rinsing and drying substrates
EP0240763A1 (fr) * 1986-04-05 1987-10-14 Henkel Kommanditgesellschaft auf Aktien Procédé de nettoyage de pièces solides sales

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687942A1 (fr) * 1992-02-27 1993-09-03 Peugeot Procede et dispositif de moulage de noyaux en sable de fonderie contenant une resine durcissable, permettant d'eviter le colmatage de buses d'injection du sable.
DE10014782A1 (de) * 2000-03-27 2001-10-11 Bruns Wuestefeld Stefan Online-Reinigung von Formtrennmittelsprühköpfen sowie Lackiersprühköpfen mit Ultraschall
FR2900073A1 (fr) * 2006-04-20 2007-10-26 Aerosec Ind Sarl Procede et dispositif de nettoyage de produits souilles.
EP3067122A1 (fr) * 2015-03-11 2016-09-14 B-TEC GmbH Dispositif de nettoyage

Also Published As

Publication number Publication date
AU2218488A (en) 1989-03-16
NO884047D0 (no) 1988-09-12
FI884204A0 (fi) 1988-09-13
FI884204A (fi) 1989-03-15
DK509688A (da) 1989-03-15
US4881561A (en) 1989-11-21
KR890004779A (ko) 1989-05-09
EP0307865A3 (fr) 1990-01-31
DE3734267A1 (de) 1989-03-23
DE8816624U1 (fr) 1990-01-18
NO884047L (no) 1989-03-15
PT88497A (pt) 1989-07-31
DK509688D0 (da) 1988-09-13
JPH01107863A (ja) 1989-04-25

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