EP1166023B1 - Infrarotbestrahlung - Google Patents

Infrarotbestrahlung Download PDF

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Publication number
EP1166023B1
EP1166023B1 EP00922567A EP00922567A EP1166023B1 EP 1166023 B1 EP1166023 B1 EP 1166023B1 EP 00922567 A EP00922567 A EP 00922567A EP 00922567 A EP00922567 A EP 00922567A EP 1166023 B1 EP1166023 B1 EP 1166023B1
Authority
EP
European Patent Office
Prior art keywords
robot
radiation source
radiation
objects
illumination
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 - Lifetime
Application number
EP00922567A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1166023A1 (de
Inventor
Kai K. O. BÄR
Rainer Gaus
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.)
Advanced Photonics Technologies AG
Original Assignee
Advanced Photonics Technologies AG
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Filing date
Publication date
Application filed by Advanced Photonics Technologies AG filed Critical Advanced Photonics Technologies AG
Publication of EP1166023A1 publication Critical patent/EP1166023A1/de
Application granted granted Critical
Publication of EP1166023B1 publication Critical patent/EP1166023B1/de
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
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements

Definitions

  • the invention relates to a method and a system for Irradiation of radiation objects with infrared radiation, especially for drying and / or fixing Surface layers.
  • Automobile manufacturing is done in a similar way Industrial robots used to seal cavities, for example in the wheel arches of a body, make.
  • the pasty or liquid sealing material is, for example, a spray gun by the Industrial robot is worn on the cavity surface arranged.
  • the drying or fixing of the above, with the help of Industrial robots applied materials usually in continuous furnaces. Go through the objects the continuous furnace in a predetermined throughput time, the is dimensioned such that the desired drying or Fixation of the applied materials is achieved.
  • the Lead times are typically several minutes.
  • Drying or fixing in is also known Pass-through chambers in which large-area infrared emitters for Example are arranged on the chamber walls.
  • This Infrared heaters are typically used at Operated surface temperatures of less than 1000 K.
  • the object of the present invention is a method and a system for the irradiation of radiation objects Specify infrared radiation, which is a fast-acting Infrared radiation even in hard to reach places and targeted irradiation of individual surface areas of the Allow radiation objects.
  • Another job of The present invention is one for the method and the System suitable means for irradiating the Specify radiation objects with infrared radiation.
  • an infrared radiation source using a robot into one or more Moving work positions in which the respective Irradiation object is irradiated.
  • robot industrial robots and the like become mobile Understand devices that are able to Radiation source in the desired working position or Bring work positions.
  • The is expediently Robot freely programmable, so that within its Working area can be approached to any position can and preferably in each of the positions Radiation source can be freely specified.
  • a halogen lamp is preferred as the radiation source especially a ring-shaped, radiation-permeable tube and have a filament extending in the tube can.
  • the halogen lamp at least one going in a straight direction Radiolucent tube with one in the tube have extending filament.
  • the radiation source is preferably provided with a reflector Reflection of infrared radiation from the radiation source Direction of one or more radiation objects combined.
  • the reflector is shared with the radiation source movable by the robot.
  • the reflector regardless of a movement of the Radiation source movable, in particular hinged, that he was in a working position to concentrate Irradiation of the radiation object or objects aligned can be. That of the movement of the radiation source independent alignment movement can already during the Begin movement of the radiation source by the robot or respectively. In this way, the combination can be made Radiation source and reflector even in hard to reach Bring work positions, for example into cavities.
  • the robot expediently has a holder for Hold the radiation source on, the holder over a swiveling and / or linearly movable robotronic Mechanics with a support device for stationary Support of the robot is connected.
  • Robotronic mechanics is particularly multi-axis, for example six-axis, swiveling.
  • the radiation source so steadily in an area of Working positions moved that the infrared radiation or several surface areas of the radiation object sweeps.
  • the radiation source "scans", so to speak Surface of the radiation object. Leave this way itself surfaces with the most complicated geometries with even energy input per surface unit irradiate. It is also possible, for example when coating of bodies, in a surface area or in the area of joints, cavities or similar recording spaces with the Begin radiation therapy while still elsewhere Material is applied. In particular, it is not required the entire surface or the entire Radiation object or at least large parts of it treat if only in smaller areas Irradiation or treatment is necessary. Therefore, by the invention production times are shortened and under Circulation ovens, radiation chambers and the like large-scale facilities can be saved.
  • the invention also makes treatment difficult to access Surface areas possible. For example, the Application of thin materials in recesses or a quick one in cavities of the radiation object Drying or solidification of the applied material. It can therefore not be waited until the radiation object in a remote continuous furnace or in a Irradiation chamber has been transported. According to one preferred development of the method according to the invention it is therefore proposed to have at least one working position like this to choose that the infrared radiation in a recess or is irradiated into a cavity of the radiation object.
  • Irradiation in the sense of the invention can be used in a wide variety of applications.
  • Quality control by irradiation with infrared radiation and the heating of the radiation object in preparation subsequent process steps such as when laminating Fabrics or objects.
  • the invention is also basically also when irradiating Irradiation objects with electromagnetic radiation in other wavelength ranges can be used, e.g. B. in Ultraviolet range or in the visible range.
  • the invention is particularly useful if before the irradiation of the radiation object with the application of a material that is on the surface and / or in joints, cavities or similar receiving spaces of the radiation object is arranged and which by the Irradiation is dried and / or fixed.
  • Application can then advantageously also be carried out by means of of a robot, the one Application device in one or more working positions emotional.
  • the movement sequence is correct of the robot for application and the robot for Irradiation at least partially match and / or at at least partially congruent with the respective movements Traversing trajectories.
  • the material can be both the same robot as for irradiating the object to be irradiated as well other robots.
  • this one Design the advantage that the control of the robot or the robot in the same or a similar manner can.
  • a computer program for control the robot or robots in the same or similar way expire.
  • the use of infrared radiation is a spectral radiance maximum in the rest has near infrared, d. H. in the wavelength range between visible range and 1.5 micron wavelength.
  • a radiation source with a thermal radiator used for Emission of electromagnetic radiation Surface temperatures of more than 2000 K, especially of is designed for more than 2500 K. Operation at such high Surface temperatures has the advantage that according to the Plank's radiation law the radiance of the emitted Radiation with the fourth power of the absolute Surface temperature increases (provided that the Emissivity is approximately independent of temperature). at The proposed high temperatures can therefore be found in the time required for the irradiation Achieve energy input on the radiation object.
  • Radiation sources with thermal radiators, which Surface temperatures of more than 3000 K can be operated can.
  • the energetic maximum is emitted radiation at wavelengths less than 1 Micrometers.
  • Another advantage of using it accordingly high radiation flux density achievable short Irradiation times are due to the low heating of the Irradiation object. So the surfaces of the Irradiation objects or those arranged on the surface Layers are warmed up in a short time, but none Time for the object to be warmed through Conduction remains.
  • tuning the irradiated Radiation spectrum on the absorption properties of the Surface of the radiation object or the one located there Surface layers can even be specifically warmed up be limited to a certain depth. For example the degree of absorption of a surface layer clearly less than 1, however, due to the thickness of the Surface layer almost the entire radiation energy already absorbed in the surface layer takes place the surface layer is heated, but not significant heating of the underlying layer or Layers.
  • FIG. 1 shows a robot 1, which carries a halogen spotlight 10.
  • the robot 1 or the halogen spotlight 10 in a standby position. From the The robot 1 can be in the ready position Move the halogen spotlight 10 into different working positions and align the halogen spotlight 10 so that non-preprogrammed surface areas shown radiation object with defined Radiation flux density and in a defined Irradiation period to be irradiated.
  • the one for this required movement of the robot 1 and the timing of the desired infrared radiation required electrical current are provided by a Control unit 15 controlled.
  • the control unit 15 is via control lines 16 with a base frame 7 of the Robot 1 connected. From there, the individual Control lines to their respective connection point guided.
  • the robot 1 has six axes pivotable.
  • a carousel 5 of the robot 1 pivotable relative to the base frame 7.
  • a swing arm 3 of the robot 1 is opposite the carousel 5 about the horizontal pivot axis II pivotable.
  • the pivot axis III runs parallel to the pivot axis II.
  • the device holder 6 is located at the end of the arm 4.
  • the arm 4 is not immobile in itself, but offers three further possibilities for swiveling movements.
  • a central hand 2 which about the transverse to the longitudinal axis of the Arms 4 extending pivot axis V is pivotable.
  • the device holder 6 is about the pivot axis VI pivotable, the pivot axis VI perpendicular to Swivel axis V runs.
  • the pivot axes IV and VI are in the representation shown in Fig. 2 identical. However, will the central hand 2 about the pivot axis V compared to the pivoted position shown, the relative changes Position of the two pivot axes IV and VI to each other, namely such that the two swivel axes in a common, vertical plane.
  • the halogen spotlight 10 has two in a straight direction quartz glass tubes arranged parallel to each other 11 in which airtight in a halogen atmosphere each have a tungsten filament 12 along the longitudinal axes of the Quartz glass tubes 11 runs. Since the tungsten filaments 12 are extremely thin and therefore only slightly small have thermal mass, is when the electric glow current through the tungsten filaments 12 inside less fractions of seconds the desired one electrical current temperature reached.
  • the Surface temperature of the tungsten filaments 12 is preferably around 3100 K.
  • the two quartz glass tubes 11 are passed through at their ends a holder, not shown, on the carrier body 14 supported.
  • the carrier body 14 has a hollowed shape based on the shape and position of the two Quartz glass tubes 11 is configured and a reflector 13 for reflection of the tungsten filaments 12 in the rear Direction emitted infrared radiation is used.
  • the Carrier body 14 is cut open laterally in FIG. 1 shown.
  • the reflective surface of the reflector 13 consists of polished aluminum and runs in the Representation of Fig. 1 approximately along a double parabola.
  • Fig. 1 The system shown in Fig. 1 is used for example in the Manufacture of automobile bodies for drying pasty or liquid materials used on hidden Place the body, such as in wheel arches or the like Cavities applied to the surface of the body were.
  • the liquid or pasty materials with the help of a Robot of the same design as the robot 1 applied.
  • This robot not shown, moves a spray nozzle in Working position from which the liquid or pasty material is sprayed onto the body.
  • the spray nozzle and the halogen spotlight 10 so designed and will be operated that the distance between the device holder 6 and the Device holder of the other robot from the one to be dried Surface when spraying and drying is the same. Therefore, the two robots can do the same movements run to the spray nozzle or the halogen lamp 10 in Bring work position. After spraying just transported the body a bit further, so that the surface area of the body to be dried in achievable position for the robot 1.
  • the effort for the control of two robots is therefore not essential greater than the effort for controlling a robot.
  • the control unit 15 programmed movement sequence almost identical twice be executed one after the other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
EP00922567A 1999-04-01 2000-03-29 Infrarotbestrahlung Expired - Lifetime EP1166023B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19915059A DE19915059A1 (de) 1999-04-01 1999-04-01 Infrarotbestrahlung
DE19915059 1999-04-01
PCT/EP2000/002773 WO2000060295A1 (de) 1999-04-01 2000-03-29 Infrarotbestrahlung

Publications (2)

Publication Number Publication Date
EP1166023A1 EP1166023A1 (de) 2002-01-02
EP1166023B1 true EP1166023B1 (de) 2004-09-15

Family

ID=7903373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00922567A Expired - Lifetime EP1166023B1 (de) 1999-04-01 2000-03-29 Infrarotbestrahlung

Country Status (7)

Country Link
US (1) US6940081B1 (ja)
EP (1) EP1166023B1 (ja)
JP (1) JP2002540926A (ja)
KR (1) KR20020001819A (ja)
AU (1) AU4291500A (ja)
DE (2) DE19915059A1 (ja)
WO (1) WO2000060295A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020326A1 (de) * 2009-05-07 2010-11-18 Simon Kern Elektroflachheizkörper mit kurzwelliger Infrarotstrahlung
CN106872032A (zh) * 2017-04-28 2017-06-20 远方谱色科技有限公司 一种机器人分布光度计

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AU2002223671A1 (en) * 2000-11-08 2002-05-21 Adphos Advanced Photonics Technologies Ag Method for generating a coating on a substrate
DE10064277B4 (de) * 2000-12-22 2013-01-03 Advanced Photonics Technologies Ag Verfahren zum Erzeugen einer Beschichtung auf einem Substrat
DE10147952A1 (de) * 2001-09-28 2003-04-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zur Trocknung von Beschichtungen auf Substraten für Lampen
US20080181590A1 (en) * 2007-01-30 2008-07-31 Master Appliance Corp. Heating device and method
DE102007060105A1 (de) * 2007-12-13 2009-06-18 Eisenmann Anlagenbau Gmbh & Co. Kg Vorrichtung zum Trocknen von Gegenständen, insbesondere lackierten Fahrzeugkarosserien
DE102008042635A1 (de) * 2008-10-07 2010-04-08 Airbus Deutschland Gmbh Verfahren zur beschleunigten Trocknung von Polymeren sowie Vorrichtung
US9126228B2 (en) 2008-10-07 2015-09-08 Airbus Operations Gmbh Method for accelerated drying of polymers and device
IT1391736B1 (it) * 2008-11-11 2012-01-27 Stf Corp Ltd Sistema di posizionamento di un dispositivo di essiccazione
IT1391735B1 (it) * 2008-11-11 2012-01-27 Stf Corp Ltd Dispositivo di essiccazione
DE102009046407A1 (de) * 2009-11-04 2011-05-05 Dürr Systems GmbH Vorrichtung zur Strahlungsbehandlung einer Beschichtung
DE102011052979A1 (de) * 2011-08-25 2013-02-28 Rehau Ag + Co. Verfahren und System zum Erwärmen einer Oberfläche eines Bauteils mittels Infrarotstrahlung
US9808114B1 (en) * 2014-02-11 2017-11-07 Steady Equipment Corporation Automated machine for producing multiple cups of coffee
GB2544110B (en) 2015-11-06 2019-04-24 Technijet Digital Ltd Apparatus and method for treating fabric

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020326A1 (de) * 2009-05-07 2010-11-18 Simon Kern Elektroflachheizkörper mit kurzwelliger Infrarotstrahlung
CN106872032A (zh) * 2017-04-28 2017-06-20 远方谱色科技有限公司 一种机器人分布光度计

Also Published As

Publication number Publication date
DE19915059A1 (de) 2000-10-19
KR20020001819A (ko) 2002-01-09
JP2002540926A (ja) 2002-12-03
EP1166023A1 (de) 2002-01-02
AU4291500A (en) 2000-10-23
WO2000060295A1 (de) 2000-10-12
DE50007783D1 (de) 2004-10-21
US6940081B1 (en) 2005-09-06

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