EP2629897B1 - Farbauftragssystem und verfahren zu dessen betrieb - Google Patents

Farbauftragssystem und verfahren zu dessen betrieb Download PDF

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Publication number
EP2629897B1
EP2629897B1 EP11761366.1A EP11761366A EP2629897B1 EP 2629897 B1 EP2629897 B1 EP 2629897B1 EP 11761366 A EP11761366 A EP 11761366A EP 2629897 B1 EP2629897 B1 EP 2629897B1
Authority
EP
European Patent Office
Prior art keywords
pressure
spray gun
paint
application system
paint spray
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.)
Active
Application number
EP11761366.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2629897A1 (de
Inventor
Ewald Schmon
Peter Dettlaff
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.)
SATA GmbH and Co KG
Original Assignee
SATA GmbH and Co KG
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 SATA GmbH and Co KG filed Critical SATA GmbH and Co KG
Publication of EP2629897A1 publication Critical patent/EP2629897A1/de
Application granted granted Critical
Publication of EP2629897B1 publication Critical patent/EP2629897B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B05B12/006—Pressure or flow rate sensors
    • B05B12/008—Pressure or flow rate sensors integrated in or attached to a discharge apparatus, e.g. a spray gun
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge

Definitions

  • the invention relates to a paint application system and a method for its operation.
  • a control system for a powder coating system is known.
  • a communication network is provided which connects control components of the powder coating system with powder spray guns that spray powder coating materials onto parts to be coated.
  • the disadvantage is that there is no monitoring of the pressure of the applied powder to the powder spray guns, but the pressure is measured and adjusted only relatively far away from the powder spray guns. A pressure fluctuation on the powder spray guns is thus detected late, possibly caused by this order errors can only be compensated badly. Also, leaks in the supply lines or clogging are not recognized in such a system; by the pressure drop or pressure increase, an insufficient coating result is achieved.
  • the long lines in front of the actuators and measuring elements to the gun lead due to the relatively high volumes to inaccurate and delayed controls or settings.
  • the US 5,443,642 relates to a plant for electrostatic color coating, where there the pressure on pressure sensors and the humidity are measured by humidity sensors, which are not arranged directly on a paint spray gun. Rather, permanently installed spray heads are used, on which a workpiece to be coated is passed.
  • Another electrostatic spray gun goes off DE 34 02 945 C2 showing a voltage indicator with a display panel pointing to the rear. Depending on the voltage at the gun, a light emitting diode is lit so that voltage changes can be detected quickly.
  • the invention is therefore based on the object to provide an inking system and a method for its operation, in which the inking result and the operation of the inking system improved and in particular pressure fluctuation-related inking errors are reduced or avoided altogether.
  • the WO 2007/133386 A2 relates to a control system for coating cans with a spray device.
  • the spray device operates electrically, the spray medium is therefore transported under pressure from a supply to the spray device.
  • the pressure of the spray medium has to be regulated there. Additional detection of environmental parameters such as air pressure, humidity, air speed and / or ambient temperature with additional measuring devices is therefore not necessary there.
  • the EP 1 504 823 A1 discloses an electrical spray coating apparatus with wireless data transmission between a controller and a display device externally positionable therefrom. Even there, only the pressure of the spray material is regulated, but not the pressure of the supplied compressed air. A detection of environmental parameters such as air pressure, humidity, air velocity and / or ambient temperature with additional measuring devices is not disclosed there and also not necessary.
  • the EP 1 477 232 A1 relates to a spray gun with pressure gauge for applying paint to painted object by atomizing the paint with compressed air.
  • the pressure can be measured and displayed digitally where the spray gun is operated.
  • the detection of further parameters, in particular environmental parameters such as air pressure, air humidity, air speed and / or ambient temperature is not disclosed there.
  • the invention provides for this an inking system with one or more receiving units for wireless data transmission between components of the inking system, wherein one of the components of a paint spray gun with a detection unit for detecting operating parameters of the paint spray gun and / or environmental parameters and a transmitting unit for wireless transmission of operating parameters and / or environmental parameters to the receiving unit, wherein the detection unit comprises one or more measuring devices for detecting the environmental parameters air pressure, air humidity, air speed and / or ambient temperature, etc.
  • the detection unit comprises one or more measuring devices for detecting the environmental parameters air pressure, air humidity, air speed and / or ambient temperature, etc.
  • the invention provides a method for operating such a paint application system, wherein the operating parameter spraying air pressure and / or the pressure of the medium to be sprayed is detected on or in the paint spray gun, and then the detected pressures or other operating or environmental parameters to a or several components of the inking system are transmitted wirelessly.
  • the transmitting unit of the paint spray gun can be encapsulated encapsulated in the paint spray gun. In this way, penetration of the medium to be sprayed as well as cleaning and solvent in the sensitive electronics of the detection and transmission unit can be avoided.
  • the detection unit in or on the paint spray gun can comprise one or more pressure detection devices for detecting the operating parameters spraying air pressure and / or the pressure of the medium to be sprayed and optionally further parameters.
  • the pressure in question can be determined directly in front of the job site and then quickly readjust a possible deviation from the desired pressure or other parameters without the user of the paint spray gun having to act. This is particularly advantageous with only brief pressure fluctuations, for example by brief change in attitude of the paint spray gun or a kinking or narrowing of the feed hose for the injection pressure air or the medium to be applied.
  • the paint spray gun can advantageously be connected to the supply of injection compressed air via a compressed air line with a component of the paint application system designed as a compressed air supply with a compressed air source and a compressed air regulator.
  • the detected spray air pressure can thus be transmitted to the compressed air regulator of the compressed air supply and compared there with a predetermined desired spray pressure, and the compressed air regulator then readjust the pressure of the spray compressed air supplied to the spray gun so that the spray air pressure at the spray gun adapts to the desired spray pressure becomes.
  • the paint spray gun can advantageously be connected to the supply of the medium to be sprayed via a media supply line with a designed as a media supply component of the inking system.
  • the detected pressure of the medium to be sprayed can advantageously be transmitted to the media supply and compared there with a predetermined desired value, and the media supply then readjust the pressure of the medium delivered to the paint spray gun so that the pressure of the medium to be sprayed on the paint spray gun on the Setpoint is adjusted.
  • the inking system may include as a further component, a controller for monitoring and / or control of the operating parameters of the paint spray gun and other components of the paint application system.
  • a controller for monitoring and / or control of the operating parameters of the paint spray gun and other components of the paint application system.
  • the detected pressure or pressures are transmitted to the controller, in the control of the detected pressure with a predetermined setpoint for this pressure is compared, and the controller then controls the compressed air regulator and / or the media supply so that the pressure of the injection pressure air and / or of the medium to be sprayed at the paint spray gun is adapted in an advantageous manner to the predetermined desired value.
  • a display unit for displaying the operating parameters and / or environmental parameters detected by the detection unit is provided as a further component of the inking system.
  • the registered Operating parameters and / or environmental parameters, and in particular the one or more detected pressures to the display unit are transmitted to the display.
  • the display unit can be displayed on the display unit, when set to the spray gun or the control unit default value for the spraying air pressure and / or the pressure of the medium to be sprayed exceeds or falls below a maximum of the inking system provide pressure.
  • the user of the paint spray gun can be quickly notified if the pressure has not been readjusted automatically or insufficient operating conditions are present.
  • the display unit may be attached to the location of the media application, in particular in a paint booth.
  • the display unit may be arranged on the paint spray gun.
  • the display unit can be transportable, and in particular in the form of an attachable to the wrist of an operator of the paint spray gun display unit. It is also conceivable to equip a conventional wristwatch or pocket watch with such a display unit as an additional function. All of these variants have the advantage that the user can interrogate the displayed data quickly and immediately during the application, and does not have to go to a remote location, as in known devices in which a display, in particular of pressure parameters regularly at the from the job more or less distant pressure supply or control.
  • the inking system can comprise, as a further component, an operating unit for setting setting parameters of the inking system.
  • the operating unit may advantageously be arranged on the paint spray gun, as well as the display unit.
  • the operating unit as well as the display unit can be transportable, and in particular in the form of an attachable to the wrist of an operator of the paint spray gun control unit. All of these variants have the advantage of requiring the user to set adjustment parameters, e.g. can set and control the desired spray air pressure, quickly and immediately at the place of application of paint, possibly even during the application, and does not have to go to a remote location, as in known devices in which an operation is often possible only there.
  • One or more of the components may preferably have a receiving unit and / or transmitting unit for wireless data transmission.
  • This can be advantageous to the these components transmit data directly to each other, so that, for example, a failure or error in the compressed air supply can be transmitted directly to the display unit on the wrist of the user of the spray gun and there an alarm - acoustically and / or visually - can trigger.
  • the wireless data transmission can be bidirectional, so that in a just described alarm when the user can send this directly via the control unit a signal to the faulty compressed air supply, such as a stop signal for immediate shutdown of the compressed air supply.
  • the wireless data transmission via radio, WLAN, DECT or Bluetooth or other such media done so that already known, standardized transmitting and receiving units can be used.
  • Fig. 1 1 shows a functional block diagram of an inking system 1 according to the invention.
  • a paint spray gun 2 known per se is provided with a pressure sensor arranged in the paint spray gun 2, preferably a digital pressure sensor as a detection unit for provided the operating parameters spray pressure and / or the pressure of the sprayed or to be sprayed medium.
  • the paint spray gun 2 comprises a WLAN transmitting unit and a data processing unit, which processes the detected operating parameters for the data transmission to the WLAN transmitting unit.
  • the paint spray gun 2 is supplied via a thick drawn connecting line 23 with injection pressure air, also called compressed air, from a compressed air supply 3 (possibly also with compressed air treatment).
  • a compressed air supply 3 possibly also with compressed air treatment.
  • the compressed air supply 3 has a pressure source 4 and a pressure regulator 5.
  • the pressure regulator 5 By means of the pressure regulator 5, the pressure in the connecting line 23 to the paint spray gun 2 can be adjusted.
  • the transmitting unit communicates via a WLAN connection 25 with the pressure regulator 5.
  • the paint spray gun 2 is connected via a material supply line 26 with a medium supply formed as a conveying unit 6 for the liquid coating material.
  • the medium the paint or the paint
  • the medium could also come via flow, (top), hanging or side cup in the paint spray gun.
  • the inking system 1 is controlled centrally by a controller 8, which is connected to all other illustrated components of the inking system 1 with WLAN connections 28, 48, 58, 68, 78, 89 and 810 for wireless data transmission.
  • a controller 8 which is connected to all other illustrated components of the inking system 1 with WLAN connections 28, 48, 58, 68, 78, 89 and 810 for wireless data transmission.
  • WLAN connections 28, 48, 58, 68, 78, 89 and 810 for wireless data transmission.
  • other such compounds can be provided.
  • an operating unit 7 which is designed as a wrist computer. But it can also be designed as a portable computer that can be worn by the operator directly on the body or can be arranged in the vicinity of the order location of the color. Alternatively, the operating unit 7 may also be a remote control.
  • a display unit 9 which displays all the essential data for the ink spraying, e.g. the values set on the pressure supply 3 and / or the media supply 6 and actually present, the detected operating parameters transmitted by the paint spray gun 2, etc.
  • the display unit 9 is advantageously integrated with the operating unit 7 in the handheld computer. But it can also be arranged stationary or formed as a portable display.
  • the data communication in the present case runs completely over wireless WLAN connections 25, 26 ', 27, 28, 29, 48, 58, 59, 68, 78, 89 and 810, but could also be via other suitable wireless connections, eg. B. Bluetooth are operated.
  • a combination of different connectivity options, both wireless and wired, is also possible.
  • controller 8 With the controller 8 is also a painting booth 10 is connected, in which the paint application is carried out with the paint spray gun in the present case.
  • the adjusting elements for the spraying air pressure and / or optionally the color printing on the paint spray gun 2 itself or on the operating unit 7 may be arranged.
  • sensors for detecting the relevant delivery data for example current pressure provided by the delivery unit, flow rate of the conveyed material, etc., can be provided in the delivery unit 6, which can transmit these and possibly further measurement parameters to the controller 8 and / or the display 9.
  • the display unit 9 may also be arranged directly on the paint spray gun 2, so as to be able to display the operating environment and / or setting parameters shown in the display unit 9 to the user of the paint spray gun 2.
  • the parameters detected by the paint spray gun or its sensors can also be transmitted to the display 9, the controller 8 or the operating unit 7, where they are then displayed in a clearly visible manner for the user.
  • a further advantage of the non-contact transmission of the data from the paint spray gun 2 to the other components 3-10 of the inking system is that this can be done in the paint spray gun 2, for example, to switches, external antennas or externally extending cables can be avoided. This is advantageous because these seals must be made usually solvent-tight and waterproof and In addition, they can easily be damaged mechanically. This effort can be avoided by using the invention. Further, the invention due to the wireless data transmission - as already mentioned above - can be advantageously used when using the paint spray gun 2 under difficult environmental conditions, for example in potentially explosive atmospheres or under dusty conditions.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
EP11761366.1A 2010-10-20 2011-09-26 Farbauftragssystem und verfahren zu dessen betrieb Active EP2629897B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010060086A DE102010060086A1 (de) 2010-10-20 2010-10-20 Farbauftragssystem und Verfahren zu dessen Betrieb
PCT/EP2011/066665 WO2012052255A1 (de) 2010-10-20 2011-09-26 Farbauftragssystem und verfahren zu dessen betrieb

Publications (2)

Publication Number Publication Date
EP2629897A1 EP2629897A1 (de) 2013-08-28
EP2629897B1 true EP2629897B1 (de) 2014-10-22

Family

ID=44681125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11761366.1A Active EP2629897B1 (de) 2010-10-20 2011-09-26 Farbauftragssystem und verfahren zu dessen betrieb

Country Status (5)

Country Link
US (1) US9878340B2 (ja)
EP (1) EP2629897B1 (ja)
JP (2) JP2013545598A (ja)
DE (1) DE102010060086A1 (ja)
WO (1) WO2012052255A1 (ja)

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DE202010007355U1 (de) 2010-05-28 2011-10-20 Sata Gmbh & Co. Kg Düsenkopf für eine Spritzvorrichtung
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US9333519B2 (en) 2010-12-02 2016-05-10 Sata Gmbh & Co. Kg Spray gun and accessories
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CN112533705B (zh) 2018-08-01 2023-07-04 萨塔有限两合公司 喷枪的喷嘴组、喷枪系统、制造喷嘴模块的方法、为上漆任务从喷嘴组选出喷嘴模块的方法、选择系统和计算机程序产品
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Also Published As

Publication number Publication date
EP2629897A1 (de) 2013-08-28
JP2013545598A (ja) 2013-12-26
US20140145003A1 (en) 2014-05-29
DE102010060086A1 (de) 2012-04-26
JP2016209878A (ja) 2016-12-15
US9878340B2 (en) 2018-01-30
WO2012052255A1 (de) 2012-04-26

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