EP0034687B1 - Dispositif automatique pour la projection de produits de revêtement - Google Patents

Dispositif automatique pour la projection de produits de revêtement Download PDF

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Publication number
EP0034687B1
EP0034687B1 EP80400246A EP80400246A EP0034687B1 EP 0034687 B1 EP0034687 B1 EP 0034687B1 EP 80400246 A EP80400246 A EP 80400246A EP 80400246 A EP80400246 A EP 80400246A EP 0034687 B1 EP0034687 B1 EP 0034687B1
Authority
EP
European Patent Office
Prior art keywords
projection
product
control unit
control
atomization
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
Application number
EP80400246A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0034687A1 (fr
Inventor
Claude Senebier
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.)
Toussaint-Devilbiss SA
Original Assignee
Toussaint-Devilbiss SA
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
Priority to FR7903445A priority Critical patent/FR2448392A1/fr
Application filed by Toussaint-Devilbiss SA filed Critical Toussaint-Devilbiss SA
Priority to DE8080400246T priority patent/DE3069331D1/de
Priority to AT80400246T priority patent/ATE9654T1/de
Priority to EP80400246A priority patent/EP0034687B1/fr
Publication of EP0034687A1 publication Critical patent/EP0034687A1/fr
Application granted granted Critical
Publication of EP0034687B1 publication Critical patent/EP0034687B1/fr
Expired 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
    • B05B12/1472—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 supply lines supplying different materials to separate outlets of the spraying apparatus
    • 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
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
    • 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
    • B05B13/0405—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 reciprocating or oscillating spray heads
    • B05B13/041—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 reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • 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
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles

Definitions

  • the present invention relates to automatic devices for spraying coating products such as paints, enamels, fibrous products, etc.
  • the sequential process of changing the spray product is very time consuming.
  • the time factor is important in the case of application at a high production rate, such as for example in the case of body painting or of automobile body parts, since time can be imposed by the high speed. of the conveyor or chain scrolling one behind the other the various objects to be coated, as well as by reducing the distance separating, on said conveyor, two consecutive objects.
  • This sequential process involves a stack of phases which is difficult to reduce, even if the necessary steps are taken to reduce the length of the product passages and even if the automatic shade or product changing devices are positioned at the closer to the projection device.
  • this sequential process has the drawback of forcing the product which has just been sprayed from the projection head, a product which is not recovered, which results in losses of product which can be given the frequency of change and the quantity emptied each time, very expensive, even economically unacceptable.
  • US-A-2 344 108 relates to an automatic device for spraying coating products overcoming both the drawbacks of devices with a single projection head and the complexity of a possible device comprising a plurality different projection heads.
  • This automatic device for the projection of coating products comprises a mobile projection head animated by a control mechanism and comprising means for supplying the product connected to a reserve thereof and means for controlling the spraying of said product connected to a source of spray fluid, said spray head comprising on the one hand a single control block capable of being animated by said control mechanism and comprising said spray control means connected to said source of spray fluid and d secondly a plurality of interchangeable projection blocks each associated with a product to be projected and comprising means supply connected to a reserve of the corresponding product, a projection block can be removably mounted on said control block so that the different control links can be established between said blocks, the different interchangeable projection blocks being arranged in a store.
  • the object of the present invention is to improve an automatic device of this type.
  • the automatic device for spraying coating products is characterized in that said control block is provided with means for gripping, locking, unlocking and the automatic removal each time of one of said projection blocks in said store.
  • the magazine and the control block are animated with a relative movement with respect to each other so that, according to a determined programming or by manual control, the control block can be associated with a determined projection block.
  • the magazine is mobile and is capable of bringing a determined projection block to a reference position, where it can be automatically mounted on the control block.
  • the projection device receives the order to change the product to treat an object that presents itself, it returns the control unit to the reference position and there then occurs a mechanical, pneumatic, hydraulic or electric transfer ensuring in a very short time: 1 ° the disconnection of the projection block used until then with the corresponding product and its deposit in the store, 2 ° the connection of the desired projection block with the control block. The device is then ready to start the work cycle of the object to be treated with the new product.
  • the programming or the manual display makes it possible to automatically search in the store for the projection block which will be necessary for the machine to process the next part or more exactly the next object which will require the change product or shade.
  • the store receiving the projection blocks can be located in the enclosure where the projection device operates, and that it can, depending on the intensity which is made of it, include a cleaning system in closed circuit making it possible to work at each cycle with a cleaned projection block and this even if the product does not have to be changed, the store can receive several blocks provided for the same product.
  • the junction or separation of the fluid circuit of a projection block with that of the control block is done by simple interlocking or disengagement, the control block comprising means for supporting and locking the projection block.
  • the projection blocks can advantageously be designed so that the spraying and the control of the spraying of the product are carried out by means of a fluid, for example pneumatically.
  • a fluid for example pneumatically.
  • the spraying control is carried out by a means other than pneumatic, for example electric. In this case, it would be necessary to provide an electrical connector between the control unit and the projection units.
  • the device according to the invention is for example intended to spray paint on parts P l , P Z , P 3 , etc., transported by a conveyor 1, so as to scroll in continuous in front of said device.
  • This comprises a frame 2, inside which is provided a mechanism (not shown) capable of suitably moving an arm 3 at the end of which a control body 4 is articulated, around a joint 5.
  • a mechanism (not shown) capable of suitably moving an arm 3 at the end of which a control body 4 is articulated, around a joint 5.
  • the arm 3 can move vertically along the arrows F and that the control unit 4 can pivot around the joint 5 and that these movements can be obtained by any known means.
  • this example should not limit the invention to a vertical automatic machine. It will be understood from the description below that the invention relates to any device automatic handling of a product projector.
  • control unit 4 can be connected to a pneumatic source.
  • a magazine 8 on which a drawer 9 is slidably mounted, movable horizontally in the two directions of the double arrow f, the path of the drawer 9 crossing that of the arm 3.
  • the drawer 9 serves as a magazine to a plurality of projection blocks 10, numbered from 10 l to 10 n and of which the one bearing the reference 10, is shown mounted on the control block 4.
  • Each projection block 10 is connected by a flexible pipe 11 l to 11 n , passing through a reel 12, with corresponding 12 n , housed in the magazine 8, to an associated paint reserve (not shown).
  • the parts P 1 , P 2 , P 3 , ... which are for example automobile body parts, pass continuously by means of the conveyor 1 in front of the device according to the invention, animating the arm with an adequate movement 3 and the interchangeable projection block 10 i .
  • Each part P 1 , P 2 and P 3 must for example be painted with a different shade.
  • the part P 1 is for example painted with the tint X associated with the projection block 10, currently at work.
  • the part P 2 must be painted with a tint Y associated with the projection block 10 3 , currently at rest in the magazine 9, while the part P 3 must be painted with a tint Z, associated with the projection block 10 1 , also at rest in store 9.
  • the device stops in the rest position.
  • the automatic painting device knows that the part P 2 must receive the shade Y with which the projection block 10 3 is associated.
  • the locking device provided between the control unit 4 and the projection unit 10 is unlocked, while, as will be seen below, the control air and the spray air, passing respectively through the flexible conduits 6 and 7 are cut by means of solenoid valves or similar cut-off elements.
  • the mobile magazine 9 then receives the order to come index, opposite the control unit 4, the new projection unit 10 3 corresponding to the new shade Y.
  • This operation is preferably carried out by a hydraulic transfer device, but which could also be pneumatic, electric, etc.
  • the locking device of the control unit 4 then locks on the projection unit 10 3 and simultaneously the spraying air and the control air supplying the control unit 4 are opened.
  • This control block 4, supporting the new projection block 10 3 is returned to the working position by the arm 3 and the device according to the invention is ready to paint the part P 2 with the shade Y.
  • a cleaning device 17 is put into action to clean the head 10, which has just been deposited in the magazine 9.
  • the interchangeable projection heads 10 incorporate a valve for controlling the passage of the normally closed product, the opening of which is controlled by the control unit 4, by means of the control air acting on a pneumatic translation device.
  • FIGS. 4 to 6 show an exemplary embodiment of a control block 4.
  • This control unit 4 comprises a body 18, provided with articulation pins 19, forming a part of the articulation 5 on the arm 3.
  • the underside of the body 18 comprises two end pieces 20 and 21, intended respectively for the connection of flexible pipes. 6 and 7, for control air and atomizing air.
  • the end piece 20 is connected by an elbow to a conical bore 22, arranged in the front face of the body 18.
  • the end piece 21 is connected by a bend to a conical bore 23, also arranged in the front face of the body 18.
  • the piston 27 is double-acting, the chamber 25 being able to be supplied with fluid under pressure on either side of said piston through supply ports 29 and 30.
  • the piston 28 is single acting but acts against the action of a spring 31, the chamber 26 being supplied with pressurized fluid through a port d 'supply 32.
  • the ports 29, 30 and 32 are connected to a source of pressurized fluid by pipes not shown in the figures.
  • piston 27 is extended by a hollow piston rod 33, at the end of which jaws 34 are articulated which can pivot around transverse axes 35.
  • piston 28 is extended forward by a piston rod 36, passing coaxially through the piston rod 33 in order to be able to control by its end 27 the rotation of the jaws 34.
  • each spraying block 10 comprises a body 38 provided with notches 39 for gripping by the curved ends of the jaws 34.
  • the underside of the body 38 carries a nozzle 40 for connection to the pipeline flexible 11 corresponding paint supply.
  • This nozzle feeds through an orifice 41, a spray head 42 of known structure, disposed on the front face of the body 38 and provided with a control needle 43, actuated by a piston 44, arranged in a chamber 45 forming a cylinder.
  • the rear face of the body 38 has two conical end pieces 46 and 47.
  • the end piece 46 is connected by a conduit 48 to the chamber 45, on the side of the piston 44 opposite to a spring 49, tending to close off the head 42 by means of the needle 43.
  • the nozzle 47 is connected by a conduit 50 to the spray head.
  • the block 10 is locked in the jaws 34 by the pressurized fluid introduced into the chamber 26 through the orifice 32.
  • the corresponding spray head 42 can then be supplied with control air and spray air via the connections 20-22, 46-48, 21-23 and 47-50, in order to be able to work in the manner described above.

Landscapes

  • Spray Control Apparatus (AREA)
  • Cultivation Of Plants (AREA)
EP80400246A 1979-02-12 1980-02-21 Dispositif automatique pour la projection de produits de revêtement Expired EP0034687B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7903445A FR2448392A1 (fr) 1979-02-12 1979-02-12 Dispositif automatique pour la projection de produits de revetement
DE8080400246T DE3069331D1 (en) 1980-02-21 1980-02-21 Automatic machine for projecting coating material
AT80400246T ATE9654T1 (de) 1979-02-12 1980-02-21 Automatische vorrichtung zum aufspritzen von ueberzugsmaterial.
EP80400246A EP0034687B1 (fr) 1979-02-12 1980-02-21 Dispositif automatique pour la projection de produits de revêtement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7903445A FR2448392A1 (fr) 1979-02-12 1979-02-12 Dispositif automatique pour la projection de produits de revetement
EP80400246A EP0034687B1 (fr) 1979-02-12 1980-02-21 Dispositif automatique pour la projection de produits de revêtement

Publications (2)

Publication Number Publication Date
EP0034687A1 EP0034687A1 (fr) 1981-09-02
EP0034687B1 true EP0034687B1 (fr) 1984-10-03

Family

ID=26080100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400246A Expired EP0034687B1 (fr) 1979-02-12 1980-02-21 Dispositif automatique pour la projection de produits de revêtement

Country Status (3)

Country Link
EP (1) EP0034687B1 (enrdf_load_stackoverflow)
AT (1) ATE9654T1 (enrdf_load_stackoverflow)
FR (1) FR2448392A1 (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014114C2 (de) * 1980-04-12 1982-04-29 Gema AG Apparatebau, 9015 St. Gallen Einrichtung zum automatischen Beschichten von Gegenständen mit einer Spritzvorrichtung
DE3477141D1 (en) * 1983-08-15 1989-04-20 Gmt Sa A method of cleaning industrial components and a jet assembly for use therein
FR2552345B1 (fr) * 1983-09-27 1985-12-20 Sames Sa Appareillage de peinture electrostatique a pulverisateur pneumatique sur support mobile, reglable en fonctionnement
DE3337980C1 (de) * 1983-10-19 1985-05-09 Daimler-Benz Ag, 7000 Stuttgart Einrichtung zum schnellen Wechseln von Spruehduesen zum Aufspruehen von Korrosionsschutzmittel in Karosseriehohlraeume
DE3340614C1 (de) * 1983-11-10 1985-02-21 Daimler-Benz Ag, 7000 Stuttgart Einrichtung zum Lackieren von Serienteilen mit wechselnder Farbe
JPS6174668A (ja) * 1984-09-19 1986-04-16 Yoshida Kogyo Kk <Ykk> 回転塗装機の塗料別供給装置
IT1233103B (it) * 1989-07-06 1992-03-14 Danieli Calzaturificio Spa Macchina pulitrice di iniettori per lo stampaggio di elementi in materia plastica.
US5484926A (en) * 1993-10-07 1996-01-16 Agouron Pharmaceuticals, Inc. HIV protease inhibitors
DE4416311A1 (de) * 1994-05-09 1995-11-16 Itw Oberflaechentechnik Gmbh Sprühgerät-Befestigungsvorrichtung
DE19616668A1 (de) * 1996-04-26 1997-11-06 Audi Ag Beschichtungsanlage zum Beschichten von Gegenständen mit häufig wechselndem Farbmaterial
FR2797788B1 (fr) * 1999-08-30 2001-11-23 Sames Sa Procede et station de changement de produit dans une installation de projection de produit de revetement
DE10022854A1 (de) * 2000-05-10 2001-11-15 Duerr Systems Gmbh Verfahren und Beschichtungsmaschine zur Serienbeschichtung von Werkstücken
DE102006017323B4 (de) * 2005-04-12 2011-01-27 B + M Surface Systems Gmbh Sprühbeschichtungseinrichtung
DE102007053578A1 (de) * 2007-11-07 2009-05-14 ITW Oberflächentechnik GmbH & Co. KG Automatischer Spritzapparat für Beschichtungsflüssigkeit und seine Kombination mit einem Roboter
CN111299013A (zh) * 2020-02-15 2020-06-19 上海万林机械制造有限公司 一种影射轮廓识别清洗喷涂系统
CN116116599A (zh) * 2022-12-07 2023-05-16 上海拔山自动化技术有限公司 一种汽车喷涂机器人用油漆换色系统及换色方法
BE1031214B1 (nl) * 2022-12-29 2024-07-29 Ursus Bv Een lakstraat voor het poederlakken van gevouwen of geëxtrudeerde profielen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344108A (en) * 1939-08-17 1944-03-14 Vilbiss Co Means for moving spray guns or other devices through predetermined paths
US2578572A (en) * 1945-05-23 1951-12-11 Melvin Spray gun keeper
US3240225A (en) * 1963-01-17 1966-03-15 Benjamin G Barrows Selecting and purging apparatus
US3477870A (en) * 1966-03-03 1969-11-11 Gen Motors Corp Method of spray coating a series of articles including the application of different colors to different articles
US3653599A (en) * 1970-05-19 1972-04-04 Speco Inc Fluid spray apparatus
US3674207A (en) * 1970-11-06 1972-07-04 Emidio J Carbonetti Jr Automated paint spray system
FR2239115A5 (en) * 1973-07-25 1975-02-21 Rexson Winding and unwinding device for a hose - roller moves hose which passes around and supports a counter weight

Also Published As

Publication number Publication date
EP0034687A1 (fr) 1981-09-02
FR2448392B3 (enrdf_load_stackoverflow) 1981-11-27
FR2448392A1 (fr) 1980-09-05
ATE9654T1 (de) 1984-10-15

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BE735092A (enrdf_load_stackoverflow)

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