EP0851193B1 - Lacktrocknungsvorrichtung - Google Patents

Lacktrocknungsvorrichtung Download PDF

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Publication number
EP0851193B1
EP0851193B1 EP97310726A EP97310726A EP0851193B1 EP 0851193 B1 EP0851193 B1 EP 0851193B1 EP 97310726 A EP97310726 A EP 97310726A EP 97310726 A EP97310726 A EP 97310726A EP 0851193 B1 EP0851193 B1 EP 0851193B1
Authority
EP
European Patent Office
Prior art keywords
overhead
heating
heating panels
panels
drying apparatus
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
EP97310726A
Other languages
English (en)
French (fr)
Other versions
EP0851193A2 (de
EP0851193A3 (de
Inventor
Vincenzo Feroce
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.)
PENTARA COMMERCIAL ENTERPRISES LLC
Original Assignee
Pentara Commercial Enterprises LLC
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Filing date
Publication date
Application filed by Pentara Commercial Enterprises LLC filed Critical Pentara Commercial Enterprises LLC
Publication of EP0851193A2 publication Critical patent/EP0851193A2/de
Publication of EP0851193A3 publication Critical patent/EP0851193A3/de
Application granted granted Critical
Publication of EP0851193B1 publication Critical patent/EP0851193B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/12—Vehicle bodies, e.g. after being painted

Definitions

  • THIS INVENTION concerns an apparatus for drying paint comprising the features of the preamble of claim 1.
  • a paint drying apparatus is disclosed in US-A-2 841 684.
  • Conventionally, such apparatus consists of heating panels mounted on an overhead gantry with side pillars, the gantry being driven along a pair of tracks thus forming a travelling bridge which passes over the vehicle body or alternatively is mounted in a fixed position with the bodies passing beneath it.
  • the heating panels are usually fixed or have minimal adjustment so that the heating effect is not uniform over all parts of the surface of the vehicle body. This results in differential uneven drying and excessive consumption of heating energy. Consequently, the drying process is excessively time consuming and absorbs very large quantities of electrical energy, i.e. in the region of 60 kw. Accordingly, the high operating costs and physical limitations of the apparatus restrict its use to large industrial applications and to larger companies.
  • US-A-2- 841 684 shows a paint drying apparatus for vehicles, and utilising panels of radiant heaters to dry the paint.
  • Two side radiant heaters are mounted vertically, substantially parallel to the sides of the vehicle and can approach the vehicle sides.
  • An overhead radiant heater is mounted horizontally, substantially parallel to the roof of the vehicle and can be moved towards the car roof and can also approach the car front and rear sides by lowering it vertically while rotating it on a horizontal axis.
  • EP-A-0 507 757 shows how to use sensors to detect the shape of a vehicle in order to maintain means such as spraying nozzles close to its shape but without interference with it.
  • paint drying apparatus including a supporting device mounting radiant heating panels, including an overhead heating panel and opposed upright side heating panels; means to effect relative movement between the supporting device and an object to be dried, means for moving the heating panels independently and selectively with respect to the supporting device to locate said heating panels in an optimum drying position and at an optimum distance from the object; at least one sensor adapted to produce signals representative of the surface profile of the object; and control means responsive to the signals from the sensor and adapted to cause movement of the heating panels into said optimum position; characterised in that the overhead heating panel is horizontal and has a central panel and a pair of pivotally mounted end heating panels which can pivot downwardly out of alignment with the central panel thus reducing the total width of said overhead horizontal heating panel, such that the upright side heating panels and the overhead heating panel can approach the object surface at an optimum distance therefrom.
  • Apparatus made in accordance with the invention preferably comprises several heating panels at least some of which are articulated and movable independently and selectively to allow a high degree of precision in the effective operation of the apparatus. Variations of movement of the heating panels are achieved by means of the sensor which effectively scans the profile of the object to be dried, and produces signals which are fed to a computer programmed to memorise and establish a record of the profile and subsequently to effect movement of the heating panels progressively thus to achieve uniform and cost-effective heating of the surfaces of the object whereby to minimise heat energy and reduce the time taken to dry an object completely and evenly.
  • the apparatus consists essentially of an overhead gantry with side pillars adapted to travel linearly along a pair of spaced parallel tracks and carrying an overhead horizontal heating panel, and a pair of vertically disposed heating panels, the whole device being adapted to travel over a vehicle body to be dried.
  • the overhead heating panel is adapted to be rotated about at least one horizontal axis and the vertical heating panels are movable towards and away from one another thus closely to approach the upright surfaces of the object to the dried.
  • An ultrasonic sensor is attached to the gantry which initially makes a pass over the object to be dried and produces signals which are fed into a computer memory thus to establish a record of the exact shape of the object.
  • Software determines appropriate movements of the respective heating panels to enable them to be placed progressively in face-to-face relationship with the various surfaces of the vehicle body within 30cm and preferably about 20cm from such surfaces.
  • the apparatus comprises an overhead gantry 10 supported on and extending horizontally between a pair of linear rails 11 and 12, and housing a pair of vertical pillars 13 and 14.
  • the entire apparatus is adapted to travel along the rails 11 and 12 thus to pass over an object 1 such as a painted vehicle body to dry the paint. If required, vehicle bodies may be transported sequentially at a different speed beneath the gantry but may otherwise be stationary.
  • the object of the apparatus is to dry paint on the vehicle body as uniformly and as rapidly as possible with minimum utilisation of heating energy.
  • conventional apparatus of this kind merely comprises vertical and horizontal heating panels which are in fixed disposition at considerable and uneven distances from the vehicle body and require excessive heat energy to ensure adequate drying of all parts thereof.
  • a central overhead heating panel 15 is mounted on a cross beam 16 to be disposed generally horizontally and has a pair of end panels 17 and 18 which may pivot downwardly as shown by arrows 19, out of alignment with the panel 15.
  • the entire assembly of heating panels 15, 17, 18 may be raised and lowered on beam 16 and manoeuvred about a generally horizontal axis thus to bring them downwardly to face leading or trailing surfaces of the vehicle body 1.
  • the vertical pillars 13 and 14 with heating panels 24 may be moved inwardly and outwardly to locate them at an optimum distance with respect to upright side surfaces on the vehicle body 1.
  • the vertical pillars 13 and 14 are mounted on carriages 26 and 27 movable along a horizontal beam 28 and the horizontal beam 16 carrying heating panels 15, 17 and 18 is mounted between a pair of carriages 29 which may move vertically with respect to the pillars 13 and 14.
  • the beam 16 is telescopically extendible to accommodate movement of the pillars 13 and 14 towards and away from one another whilst maintaining support for the heating panels 15, 17, 18.
  • Fig. 3 illustrates a mechanism generally shown at 30 mounted on the carriage 29, which permits the heating panels 15, 17, and 18 to be pivoted about a pair of generally horizontal axes thus to bring them down to positions in which they may face forwardly or rearwardly of the apparatus thus to heat the leading or trailing vertical surfaces of the vehicle body.
  • Fig. 4 shows a scissor link assembly 31 which maintains the mechanism 30 in its correct operating position irrespective of movements inwardly or outwardly of the vertical pillars.
  • Fig. 4 also shows a rectangular framework 32 which supports the horizontal heating panels 15, 17 and 18 on beam 16.
  • each heating panel is of laminar form and consists of an outer cover 40, a fibreglass heat insulation sheet 41, non-inflammable sheet 42, a stainless steel sheet 43 of 0.5mm thickness, an electrical insulation sheet 44 of 0.5mm thickness, a 4 kw electrical element 45, a further electrical insulation sheet 46, an aluminium sheet 47 of 2.0mm thickness, and a box-like frame 48 with centering springs 49.
  • the effect of the panel which conveniently is approximately 1 metre square, is that substantially uniform infra-red radiant heat is given off by the aluminium sheet 47 heated by the element 45, throughout its area.
  • the working temperature is in the region of 250°-300°C.
  • the heating panels are adapted individually and collectively to be located as closely as possible and in direct face-to-face relationship with the various different surfaces of a vehicle body to be dried. By appropriate articulation and movement of the heating panels they can therefore be located progressively in positions which place them approximately 20cm from a particular surface to be dried, thus maximising the heating effect thereof and ensuring uniform drying.
  • the entire apparatus conveniently traverses the vehicle body through one pass initially and an ultrasonic sensor (not shown) mounted thereon produces signals advising the computer memory of the exact shape and configuration of the vehicle body to be dried. This information is then processed by the computer and the various movable parts of the apparatus are actuated during a second pass over the vehicle body to place the heating panels progressively in face-to-face parallel relationship with the surfaces to be dried.
  • the overhead panels will be moved downwardly and swivelled inwardly to a position within 20cm of, for example, the front of the vehicle body.
  • this panel will once again be raised and the side panels will be brought into within 20cm of the vertical sides of the vehicle body whilst the overhead heating panel will be brought down to such close proximity with the bonnet and then the roof thereof, subsequently following the upper and side profiles and finally being brought into position against the rear of the body.
  • drying process is conducted more rapidly and uniformly.
  • the heating panels may be radiant electrical or radiant flame gas/oil fired burners.

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)
  • Coating Apparatus (AREA)

Claims (8)

  1. Lacktrocknungsvorrichtung mit einer Tragvorrichtung (10), die Strahlungsheizplatten trägt, welche eine obenliegende Heizplatte (15, 17, 18) und entgegengesetzte aufrechte seitliche Heizplatten (24) umfassen; einer Einrichtung (10, 11, 12) zum Bewirken einer Relativbewegung zwischen der Tragvorrichtung (10) und einem zu trocknenden Gegenstand (1); einer Einrichtung (16, 26, 27, 28, 13, 14, 29, 30) zum Bewegen der Heizplatten (15, 17, 18, 24) unabhängig und wahlweise in Bezug auf die Tragvorrichtung (10), um die Heizplatten (15, 17, 18, 24) in einer optimalen Trocknungsposition und in einem optimalem Abstand von dem Gegenstand (1) zu positionieren; wenigstens einem Sensor, der dafür ausgebildet ist, Signale zu erzeugen, welche das Oberflächenprofil des Gegenstands (1) repräsentieren; und einer Steuereinrichtung, die auf die Signale aus dem Sensor anspricht und dafür ausgebildet ist, eine Bewegung der Heizplatten (15, 17, 18, 24) in die optimale Position zu bewirken; dadurch gekennzeichnet, dass die obenliegende Heizplatte (15, 17, 18) horizontal ist und eine zentrale Platte sowie ein Paar schwenkbar befestigter Endheizplatten (17, 18) hat, welche nach unten aus ihrer Ausrichtung mit der zentralen Platte herausverschwenkbar sind, um so die Gesamtbreite der obenliegenden horizontalen Heizplatte (15, 17, 18) zu reduzieren, so dass die aufrechten seitlichen Heizplatten (24) und die obenliegende Heizplatte (15, 17, 18) sich der Gegenstandsoberfläche bis in einen optimalen Abstand von demselben nähern können.
  2. Lacktrocknungsvorrichtung nach Anspruch 1, wobei die obenliegende Heizplatte (15, 17, 18) dafür ausgebildet ist, um wenigstens eine horizontale Achse gedreht zu werden, um sich so einer vorderen, einer oberen und einer hinteren Oberfläche des zu trocknenden Gegenstands (1) eng nähern zu können.
  3. Lacktrocknungsvorrichtung nach Anspruch 1 oder Anspruch 2, wobei der optimale Abstand der Heizplatten (15, 17, 18, 24) von dem Gegenstand wenigstens so nahe wie 30 cm von der Oberfläche des zu trocknenden Gegenstands (1) beträgt.
  4. Lacktrocknungsvorrichtung nach irgendeinem vorhergehenden Anspruch, wobei der optimale Abstand der Heizplatten (15, 17, 18, 24) von dem Gegenstand wenigstens so nahe wie 20 cm von der Oberfläche des zu trocknenden Gegenstands (1) beträgt.
  5. Lacktrocknungsvorrichtung nach irgendeinem vorhergehenden Anspruch, wobei die obenliegende Heizplatte (15, 17, 18) an einem teleskopisch ausfahrbaren Träger (16) angebracht ist, der Bewegungen der aufrechten Heizplatten (24) aufeinander zu und voneinander weg ermöglicht.
  6. Lacktrocknungsvorrichtung nach irgendeinem vorhergehenden Anspruch, wobei ein Scherengestänge (31) für eine korrekte Positionierung eines Mechanismus (30) sorgt, der die obenliegende Heizplatte (15, 17, 18) trägt.
  7. Lacktrocknungsvorrichtung nach irgendeinem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die obenliegende Heizplatte (15, 17, 18) auf Schlitten (29) befestigt ist, welche vertikal auf seitlichen Pfeilern (13, 14) und in Bezug auf diese bewegbar sind und so ermöglichen, dass die obenliegende Heizplatte (15, 17, 18) angehoben und abgesenkt werden kann.
  8. Lacktrocknungsvorrichtung nach irgendeinem vorhergehenden Anspruch, dadurch gekennzeichnet, dass jede Strahlungsheizplatte (15, 17, 18, 24) eine laminare Form hat und ein elektrisches Element (45) aufweist, das auf seinen entgegengesetzten Seiten eine elektrische Isolierplatte (44, 46) und auf einer Seite eine metallische Legierungsplatte (47) hat, die dafür ausgebildet ist, im wesentlichen gleichförmige Infrarotstrahlungswärme mit einer Arbeitstemperatur in dem Bereich von 250 °C bis 300 °C und einer elektrischen Leistung zwischen 10 und 12 kW abzustrahlen.
EP97310726A 1996-12-27 1997-12-22 Lacktrocknungsvorrichtung Expired - Lifetime EP0851193B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9626965 1996-12-27
GBGB9626965.9A GB9626965D0 (en) 1996-12-27 1996-12-27 Apparatus for drying paint

Publications (3)

Publication Number Publication Date
EP0851193A2 EP0851193A2 (de) 1998-07-01
EP0851193A3 EP0851193A3 (de) 1998-11-11
EP0851193B1 true EP0851193B1 (de) 2003-10-22

Family

ID=10805070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97310726A Expired - Lifetime EP0851193B1 (de) 1996-12-27 1997-12-22 Lacktrocknungsvorrichtung

Country Status (4)

Country Link
EP (1) EP0851193B1 (de)
AT (1) ATE252716T1 (de)
DE (1) DE69725686D1 (de)
GB (1) GB9626965D0 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001347933A (ja) * 2000-06-06 2001-12-18 Kamigaki Takeo 車両用修理装置
US6718128B2 (en) * 2000-06-28 2004-04-06 Fisher & Paykel Healthcare Limited Radiant warmer with distance determination between heater and patient
US6735379B2 (en) 2000-06-28 2004-05-11 Fisher & Paykel Healthcare Limited Energy sensor
ITTO20010292A1 (it) * 2001-03-28 2002-09-28 Fidereveuropa Societa Fiduciar Struttura di telaio a portale adattabile ad una cabina preesistente entro la quale e' destinata ad essere montata, ed impianto per l'essicca
ITBO20010311A1 (it) * 2001-05-18 2002-11-18 Symach S R L Impianto per l'essicazione di superfici verniciate, in particolare veicoli e loro parti staccate, e procedimento per il suo controllo
EP1651918B1 (de) 2003-07-24 2012-12-19 Eisenmann AG Vorrichtung zur aushärtung einer aus einem material, das unter elektromagnetischer strahlung aushärtet, insbesondere aus einem uv-lack oder aus einem thermisch aushärtenden lack, bestehenden beschichtung eines gegenstandes
DE102004023539A1 (de) * 2003-07-24 2005-03-03 EISENMANN Maschinenbau KG (Komplementär: Eisenmann-Stiftung) Vorrichtung zur Aushärtung einer aus einem Material, das unter elektromagnetischer Strahlung aushärtet, insbesondere aus einem UV-Lack oder aus einem thermisch aushärtenden Lack, bestehenden Beschichtung eines Gegenstandes
DE102004025526B4 (de) * 2004-05-25 2006-04-13 Eisenmann Maschinenbau Gmbh & Co. Kg Vorrichtung zum Trocknen von Gegenständen, insbesondere von lackierten Fahrzeugkarosserien
ITAR20040009U1 (it) 2004-06-01 2004-09-01 Mario Nibi Cabina di verniciatura a riscaldamento elettrico ibrido
EP1867941A1 (de) * 2006-06-16 2007-12-19 B.Lux Impianti Elettrici Snc Trocknungsvorrichtung für Autokarosserielacke.
IT1390761B1 (it) * 2008-07-22 2011-09-23 Robotica Srl Attrezzatura del tipo a pannelli riscaldanti per l'asciugatura di corpi verniciati, in particolare per veicoli e parti di veicoli
EP2177852B1 (de) 2008-10-15 2012-02-01 Symach S.r.l. Vorrichtung zum Trocknen eines Anstrichprodukts und zugehöriges Betriebsverfahren
IT1391735B1 (it) * 2008-11-11 2012-01-27 Stf Corp Ltd Dispositivo di essiccazione
IT1391736B1 (it) * 2008-11-11 2012-01-27 Stf Corp Ltd Sistema di posizionamento di un dispositivo di essiccazione
DE102010023578B4 (de) * 2010-06-12 2018-02-22 Abb Ag Lackieranlage zum Beschichten / Lackieren eines langgestreckten Werkstückes
SE536335C2 (sv) * 2011-12-20 2013-08-27 Pivab Ab Anordning för torkning av färg
ITPI20130035A1 (it) * 2013-05-02 2014-11-03 C M C S C Struttura perfezionata di cabina di verniciatura
SE1350728A1 (sv) * 2013-06-13 2014-10-21 Caraway Ab Anordning för, eller vid, ytbehandling av objekt

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US2387516A (en) * 1942-04-14 1945-10-23 Kaminski John Radiant heating apparatus
US2841684A (en) * 1956-06-12 1958-07-01 William J Miskella Apparatus for baking paint on automotive vehicles
DE2728825A1 (de) * 1977-06-27 1979-01-18 Lorenz Kesting Verfahren und vorrichtung zur schnellhaertung von betonteilen
FR2416059A1 (fr) * 1978-01-31 1979-08-31 Amiaut Jean Combine d'alimentation d'eclairage et sechage pour cabine a peinture
FR2527757A1 (fr) * 1982-05-27 1983-12-02 Picot Ernest Tunnel chauffant
NO172175C (no) * 1991-04-02 2000-01-21 Nowac Ind As Fremgangsmåte ved maskinvasking av kjoeretoeyer, samt vaskemaskin for kjoeretoeyer
CA2093716C (en) * 1992-05-04 1999-08-17 Thomas M. Sorensen Movable heat treat apparatus with sighting means
DE4330453A1 (de) * 1993-09-09 1995-03-16 Heraeus Noblelight Gmbh Strahlervorrichtung zur Trocknung von Grundier-, Spachtel-, Füller- und Lackwerkstoffen durch Infrarotstrahlung
DE19503775C1 (de) * 1995-02-04 1996-03-14 Burkamp En Und Anlagentechnik Verfahren zur Trocknung von Lacken mittels Infrarotstrahlern
GB2306210B (en) * 1995-10-11 1999-06-23 Trisk Edwin Systems Ltd Spray booth paint curing apparatus

Also Published As

Publication number Publication date
GB9626965D0 (en) 1997-02-12
EP0851193A2 (de) 1998-07-01
ATE252716T1 (de) 2003-11-15
EP0851193A3 (de) 1998-11-11
DE69725686D1 (de) 2003-11-27

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