EP1270086A1 - Appareil et procédé pour commander un dispositif de revêtement avec différent buses - Google Patents

Appareil et procédé pour commander un dispositif de revêtement avec différent buses Download PDF

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Publication number
EP1270086A1
EP1270086A1 EP02013513A EP02013513A EP1270086A1 EP 1270086 A1 EP1270086 A1 EP 1270086A1 EP 02013513 A EP02013513 A EP 02013513A EP 02013513 A EP02013513 A EP 02013513A EP 1270086 A1 EP1270086 A1 EP 1270086A1
Authority
EP
European Patent Office
Prior art keywords
coating
nozzles
coating material
common
nozzle
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
EP02013513A
Other languages
German (de)
English (en)
Other versions
EP1270086B1 (fr
Inventor
Wolfgang Schmid
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
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Filing date
Publication date
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP1270086A1 publication Critical patent/EP1270086A1/fr
Application granted granted Critical
Publication of EP1270086B1 publication Critical patent/EP1270086B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • B05B1/1645—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection
    • B05B1/1654—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection about an axis parallel to the liquid passage in the stationary valve element
    • 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
    • B05B12/085—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 flow or pressure of liquid or other fluent material to be discharged
    • 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
    • B05B13/0447—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles
    • B05B13/0452—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles the conveyed articles being vehicle bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • B05B1/3053—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a solenoid

Definitions

  • the invention relates to a coating system and a method for controlling a coating device for application of coating material with different nozzles according to the Preamble of the independent claims.
  • a known such application head (Fa. EFTEC) is with its fixed nozzles on a cylindrical Pipe attached and about its axis (the axis 6 of the Robot on the robot hand corresponds) rotatable. The nozzles are via a respective controlled valve to a common material supply line connected. With respect to the robot axis 6 the three nozzles each have different material exit directions, So different "Tool Center Points" (TCP).
  • TCP Tool Center Points
  • the invention is based on the object, the control of a with an optionally larger number of differently shaped and working with different application methods Simplify nozzles.
  • a coating robot 1 carries on his wrist 2 a material application head 3 with several in one rotatable turret holder 4 inserted nozzles (Fig. 2 and 3).
  • the robot 1 is located in a cabin through the wall 6 a line 8 for the coating material in the cabin and leads into the application head 3.
  • the coating material it can be one of the liquid or pasty plastic materials (eg PVC and the like), as they are used for seam sealing, Underbody sealing, adhesive application and for other purposes Vehicle bodies are commonly used.
  • the coating system To control the coating system are located outside the cabin wall 6, two interconnected control systems, which may be spatially separated from each other. While the usual robot controller RC is in the one cabinet 10, another cabinet 11 may also contain the conventional per se memory-programmed control system PLC with associated visualization. In the switchgear cabinet 11, a quantity controller 13 and a pressure regulator 14 for the coating material flowing into the application head 3 can be located together with the control system SPS and their setpoint values v s and p s are set by the robot controller C and adjusted and changed depending on the operation become. Furthermore, the robot controller RC controls with a signal r via the control system SPS the position of the turret holder 4 for selecting the respectively required nozzles. The control system SPS in turn controls the robot controller RC in the usual way, among other things for the selection of the respective required rail programs.
  • Control system SPS are taken over by the robot controller RC, so that the subdivision into RC and SPS is omitted.
  • the regulators 13 and 14 are intended to keep the flow rate or the pressure of the coating material constant in the closed control loop and compare for this purpose their respective setpoint values v s and p s with actual values v i and p i , respectively, as measuring signals from one into the material line 8 switched flow cell 16 and a located in the application head 3 pressure sensor 17 are supplied. In the case of deviations, corresponding actuating signals av are generated.
  • the combination of the controllers 13 and 14 with the control system SPS or the robot controller RC has the advantage of simplifying the control system, since no mutual adaptation is required and can be used for similar purposes per se conventional control systems and, inter alia, a common process visualization.
  • the actuator of an additional pressure regulator can, for. B. be connected outside the cabin in the entrance of the material line 8.
  • the regulators 13, 14 normally also keep the quantity of material or the pressure constant.
  • the robot movement can also be programmed so that the movement speed changes in sections during the coating. In this case, it may be appropriate, for example, to achieve a consistent web width to change the amount of material to the appropriate extent or more generally, to change the respective target value v s or p s by a dependent of the movement speed "override" factor.
  • a drive (Fig. 2) arranged by a signal ar des Control system PLC or the robot controller RC is controlled.
  • the respective positions of the turret holder 4 and thus the each selected nozzle for example, by an initiator arrangement (Not shown) found on the application head 3 and as signal rf to the control system SPS or to the Robot controller RC reported back.
  • the application head 3 shown in Fig. 2 includes a valve assembly 20, formed for example by a needle valve may be, the needle 22 of a z. B. electric driven piston (not shown) to variably wide Opening the valve on the valve seat 23 is adjustable.
  • the coating material flows through a (not shown) Cross channel in the valve seat area and from there in the to the Outlet 24 of the valve assembly 20 leading channel 25.
  • the valve drive is indicated by the arrow 21.
  • the valve can also be another one actuated by a piston Actuator included, z. B. a disc o.ä.
  • the control the valve drive is effected by a signal av, which depends on each selected nozzle either from the flow regulator 13 or from the pressure regulator 14 comes, so that the valve opening either the flow rate and thus, for example, the width of a Sealing membrane or instead the pressure on the robot controller RC each variable set value constant holds.
  • av can additional control signals for opening and closing the valve be supplied.
  • the tubular outlet 24 located in the application head 3 the valve assembly 20 is of a transverse thereto End face 26 surrounded at the under mutual seal a rotatably mounted on the application head 3 relative to it Turret disk 28 slidingly abuts.
  • the as the holder 4 in Fig. 1 serving turret plate 28 has an illustration parallel to the axis of the valve outlet 24 offset axis of rotation 29 and is located by a located in the application head 3 Drive rotated, which is indicated by the arrow 30 and from the signal ar (Fig. 1) is controlled.
  • nozzles D1 to D6 are on the turret plate 28th on a concentric with the axis of rotation 29 circle with a Radius equal to the distance between the axis of rotation and the valve outlet axis with uniform mutual angular distances for example, six application nozzles D1 to D6 arranged.
  • the material exit directions run all nozzles parallel to the valve outlet axis of the valve assembly 20.
  • the nozzles respectively connected to a turret disk 28 passing through the opening, whose axis is aligned with the Ventilauslassachse when the nozzle has been rotated to the valve assembly 20. All nozzles thus have the through the outlet axis of the valve assembly 20 defined material exit direction.
  • the nozzles in the turret disk 28 also other, preferably the nozzles common exit directions possible, for example obliquely or radially too the axis of the valve assembly 20th
  • the application functions and shapes of the nozzles D1-D6, the z. B. exchangeable in the valve assembly 20 side facing away the turret plate 28 can be screwed are in themselves known and usual. They can be used in particular for seam sealing in the underfloor area or seamsealing in interiors or, if the same plastic material is used, too used for combined application in these areas.
  • Another application option is the spraying of Insulation mats if the application head is not heated or in other cases heating is provided.
  • the spraying of foils is possible, whereby for sharp edges Order a flat jet nozzle with volume control and for surface spraying an airless nozzle with pressure control can be used can.
  • Further application examples are the application a pane adhesive and the hem flange sealing.
  • the amount of material be set and kept constant while selecting one the other three nozzles by means of the regulator 14, the material pressure is kept constant.
  • the described embodiment may be within the scope of the invention modified and / or supplemented.
  • the individual nozzles for generating feedback signals to code for the controller can be expedient, the individual nozzles for generating feedback signals to code for the controller.
  • the application header 3 is a temperature measurement of the coating material done to a temperature compensation of the material viscosity to enable.

Landscapes

  • Coating Apparatus (AREA)
  • Spray Control Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP02013513A 2001-06-25 2002-06-17 Appareil et procédé pour commander un dispositif de revêtement avec différent buses Expired - Lifetime EP1270086B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10130499A DE10130499A1 (de) 2001-06-25 2001-06-25 Beschichtungsanlage und Verfahren zum Steuern einer Beschichtungsvorrichtung mit unterschiedlichen Düsen
DE10130499 2001-06-25

Publications (2)

Publication Number Publication Date
EP1270086A1 true EP1270086A1 (fr) 2003-01-02
EP1270086B1 EP1270086B1 (fr) 2004-04-28

Family

ID=7689311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02013513A Expired - Lifetime EP1270086B1 (fr) 2001-06-25 2002-06-17 Appareil et procédé pour commander un dispositif de revêtement avec différent buses

Country Status (4)

Country Link
EP (1) EP1270086B1 (fr)
AT (1) ATE265274T1 (fr)
DE (2) DE10130499A1 (fr)
ES (1) ES2217227T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018172035A1 (fr) * 2017-03-21 2018-09-27 Kraussmaffei Technologies Gmbh Unité formant buse pour une machine de moulage par réaction ainsi que procédé de fabrication d'une pièce en matière plastique
EP3718643B1 (fr) 2016-12-14 2021-09-01 Dürr Systems AG Dispositif de revêtement destiné au revêtement de composants
US11440035B2 (en) 2016-12-14 2022-09-13 Dürr Systems Ag Application device and method for applying a multicomponent coating medium
US11504735B2 (en) 2016-12-14 2022-11-22 Dürr Systems Ag Coating device having first and second printheads and corresponding coating process
US11813630B2 (en) 2016-12-14 2023-11-14 Dürr Systems Ag Coating method and corresponding coating device
US11975345B2 (en) 2016-12-14 2024-05-07 Dürr Systems Ag Coating installation and corresponding coating method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011002880A1 (de) * 2011-01-19 2012-07-19 Wiwa Wilhelm Wagner Gmbh & Co. Kg Düsenvorrichtung und Verfahren zum Ausbringen einer Klebermasse
DE102016114781A1 (de) 2016-08-10 2018-02-15 Kraussmaffei Technologies Gmbh Vorrichtung zum Sprühen eines Auftragungsmaterials mit unterschiedlichen Strahlprofilen
DE102019005003A1 (de) * 2019-07-17 2021-01-21 LSI Ludwig Schleicher lngenium GmbH & Co. KG Verfahren zum Auftragen eines Schutzlackes auf ein Fahrzeug-Bauteil

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704831A (en) * 1971-02-22 1972-12-05 B F Products Pty Ltd Fire hose nozzle
US4717074A (en) * 1984-06-25 1988-01-05 Wagner Spray Tech Corporation Adjustable orifice for a sprayer unit
DE3931657A1 (de) * 1989-09-22 1990-10-25 Daimler Benz Ag Duesentraeger
US5884847A (en) * 1998-05-01 1999-03-23 Christopher; Gilman O. Multiple nozzle spray head apparatus
US5992762A (en) * 1998-07-01 1999-11-30 Yuan Mei Corp. Full flow opening structure of gardening-used figure sprinkling head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3704831A (en) * 1971-02-22 1972-12-05 B F Products Pty Ltd Fire hose nozzle
US4717074A (en) * 1984-06-25 1988-01-05 Wagner Spray Tech Corporation Adjustable orifice for a sprayer unit
DE3931657A1 (de) * 1989-09-22 1990-10-25 Daimler Benz Ag Duesentraeger
US5884847A (en) * 1998-05-01 1999-03-23 Christopher; Gilman O. Multiple nozzle spray head apparatus
US5992762A (en) * 1998-07-01 1999-11-30 Yuan Mei Corp. Full flow opening structure of gardening-used figure sprinkling head

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3718643B1 (fr) 2016-12-14 2021-09-01 Dürr Systems AG Dispositif de revêtement destiné au revêtement de composants
US11440035B2 (en) 2016-12-14 2022-09-13 Dürr Systems Ag Application device and method for applying a multicomponent coating medium
US11504735B2 (en) 2016-12-14 2022-11-22 Dürr Systems Ag Coating device having first and second printheads and corresponding coating process
US11813630B2 (en) 2016-12-14 2023-11-14 Dürr Systems Ag Coating method and corresponding coating device
US11878317B2 (en) 2016-12-14 2024-01-23 Dürr Systems Ag Coating device with printhead storage
US11944990B2 (en) 2016-12-14 2024-04-02 Dürr Systems Ag Coating device for coating components
US11975345B2 (en) 2016-12-14 2024-05-07 Dürr Systems Ag Coating installation and corresponding coating method
WO2018172035A1 (fr) * 2017-03-21 2018-09-27 Kraussmaffei Technologies Gmbh Unité formant buse pour une machine de moulage par réaction ainsi que procédé de fabrication d'une pièce en matière plastique
US11717985B2 (en) 2017-03-21 2023-08-08 Kraussmaffei Technologies Gmbh Nozzle unit for a reaction moulding machine and method for producing a plastic part

Also Published As

Publication number Publication date
DE50200385D1 (de) 2004-06-03
ES2217227T3 (es) 2004-11-01
ATE265274T1 (de) 2004-05-15
DE10130499A1 (de) 2003-01-02
EP1270086B1 (fr) 2004-04-28

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