EP0536459B1 - Dispositif de revêtement automatique d'objets par pulvérisation - Google Patents

Dispositif de revêtement automatique d'objets par pulvérisation Download PDF

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Publication number
EP0536459B1
EP0536459B1 EP91710052A EP91710052A EP0536459B1 EP 0536459 B1 EP0536459 B1 EP 0536459B1 EP 91710052 A EP91710052 A EP 91710052A EP 91710052 A EP91710052 A EP 91710052A EP 0536459 B1 EP0536459 B1 EP 0536459B1
Authority
EP
European Patent Office
Prior art keywords
disc
axis
spray
discs
coated
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
EP91710052A
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German (de)
English (en)
Other versions
EP0536459A1 (fr
Inventor
Jozsef Frikker
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.)
ABB Flexible Automation GmbH
Original Assignee
ABB Flexible Automation GmbH
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 ABB Flexible Automation GmbH filed Critical ABB Flexible Automation GmbH
Publication of EP0536459A1 publication Critical patent/EP0536459A1/fr
Application granted granted Critical
Publication of EP0536459B1 publication Critical patent/EP0536459B1/fr
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
    • 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

Definitions

  • the invention relates to a device for the automatic spray coating of objects according to the preamble of claim 1.
  • the device according to the invention is preferably used as a so-called "roof machine” for automatically coating the front, roof and rear surfaces of automobile bodies with paint, usually paint.
  • the car bodies are transported on a conveyor belt.
  • the object of the invention is to reduce or avoid the disadvantages mentioned and, in particular, to provide a device which disturbs the air flow in the spray booth less and which is less polluted than the known devices, the device being designed in such a way that with her one or more Atomizers can be moved in any linear or curved trajectory, without affecting other of the criteria mentioned.
  • the invention provides a device, in particular a roof machine for automatic spray coating of automobile bodies, by means of which the disadvantages mentioned are eliminated or at least minimized.
  • the invention makes it possible to arrange many parts of the device not in the spray booth but outside the spray booth. In particular, it is possible to arrange essential parts of the device in one plane and to form them as part of the inner wall of the spray booth.
  • the advantageous linear air flow in the spray booth can be largely maintained, and the contamination of the device is greatly reduced.
  • any curved and any linear movements can be generated in a plane of the cabin wall and can be transferred to a spraying device.
  • Another significant advantage is that the device according to the invention can be easily integrated into existing spray booths. For this purpose, only wall parts of the spray booth need to be removed and replaced by the device according to the invention.
  • the device according to the invention shown in FIGS. 1 to 3 is designed such that side wall parts of a spray booth on both longitudinal sides of the cabin are replaced by a frame 2 of the device.
  • a disk 4 with a large diameter is accommodated and rotatably supported, the inner surface 6 of which is preferably provided with the inner surface 8 of the frame 2 lies in one plane.
  • the disks 4 of the two frames 2 are arranged opposite one another and axially to one another. They are each located next to the path of movement of the automobile bodies 10 to be coated.
  • the automobile bodies 10 are transported on a conveyor belt 12 in a known manner through the cabin and thus also between the two disks 4.
  • the parts of the side walls of the cabin lying next to the frame 2 are provided with the reference numbers 14 and 16 in FIG. 2.
  • the cabin floor is formed in a known manner by a grate 18, and the cabin ceiling is formed by a filter 20 which filters the air, which flows slowly and laminarly through the cabin in a known manner from top to bottom.
  • the large disks 4, referred to below as the first disks are each driven by a motor 22a and 22b, which are arranged on the outside of the cabin and fastened to the frame 2.
  • the two motors 22a and 22b drive the two first disks 4 synchronously, ie at the same speed.
  • the synchronous running of the first two disks 4 can be ensured by known electrical circuits or mechanically by a shaft 24 connecting them. However, a known electrical circuit is preferred since the shaft 24 can disrupt the air flow in the cabin.
  • the motors can be electric motors or another known drive device.
  • the first disks 4 are provided with a ring gear 26, in which a gear 28 engages, which sits on the shaft of each motor 22a and 22b.
  • Eccentric to its axis of rotation 30, a smaller disk 32 is integrated into the first disk 4, the surface 34 of which lies on the inside of the cabin preferably aligns with the inner surface 6 of the first disk 4.
  • the axis of rotation 36 of the second disk 32 is offset eccentrically parallel to the axis of rotation 30 of the first disc 4.
  • a motor 28a or 28b is attached to each of the two first discs 4, on the outside of the cabin thereof, on whose shaft a gearwheel 38 is seated, which meshes with a ring gear 40 of the second disc 32.
  • the two motors 28a and 28b must drive the two second disks 32, which are axially spaced from one another, at the same rotational speeds.
  • This synchronous operation or synchronous operation can be effected in a similar manner to the motors 22a and 22b of the first disks 4 by an electrical synchronization circuit or mechanically in a known manner.
  • electrical synchronization is preferable to mechanical synchronization so that no components inside the cabin disrupt the air flow.
  • At least one carrier 44 is rotatably mounted in the two second disks 32, the axis of rotation 46 of which is arranged offset eccentrically parallel to the axis of rotation 36 of the second disks 32.
  • a motor 48 is fastened on its outside, on the shaft of which a gearwheel 50 is seated, which meshes with a ring gear 52 of the carrier 44, so that the motor 48 can rotate the carrier 44 about its axis of rotation 46 .
  • the motors 22a, 22b, 28a and 28b and 48 are preferably electric motors. However, they could also be hydrostatic motors.
  • Another known drive device could also be used in a modified embodiment. Instead of the rotational movement transmission by gear wheels 28, 38 and 50 and ring gears 26, 40 and 52, it is also possible to drive the first disks 4 and second disks 32 and the carrier 44 by other drive means, for example by chains or belts.
  • the first disks 4 can be mounted radially by guide wheels, in the present case guide gears 54, which are rotatably mounted on the frame 8.
  • the second can Discs 32 are stored radially.
  • Guide elements 56 can be attached to the frame for lateral guidance of the first pane 4. Similar guide elements 56 on the first disks 4 can also be used to axially guide the second disks 32 therein.
  • the carrier 44 carries a spray device in the form of, for example, three atomizers 60. Furthermore, a linear lifting device 62 is integrated in the carrier 44, with which the atomizers in the direction of the axis of rotation 46 of the carrier 44, and thus axially parallel to the axes of rotation 30 and 36 of the first disks 4 and the second disks 32, can be moved together or individually optionally.
  • the linear lifting device 62 can contain, for example, an electric motor 64, which drives a threaded nut in a known manner, through which a threaded spindle 66 of the linear lifting device 62 is moved axially.
  • other drive means are also possible, for example toothed belt drives or piston-cylinder drives.
  • the carrier 44 By rotating movements of the first disks 4 combined with rotating movements of the second disks 32, the carrier 44 can optionally be moved linearly and in any curved movement paths in the cabin longitudinal direction and in the cabin vertical direction.
  • the carrier 44 can thus be brought with the spray device 60 to any desired location above, in front of and behind an automobile body to be coated.
  • the spray device 60 can be set in any spray direction relative to the automobile body 10 to be coated. This also makes it possible to move the spray device 60 together with a transported automobile body 10 or against its direction of movement or in such a way that the spray device 60 does not perform any relative movement relative to the automobile body 10.
  • the device is a so-called roof machine because it can be used to coat the surfaces of automobile bodies facing upwards.
  • the device can also be used to coat surfaces of automobile bodies pointing forwards and backwards.
  • FIG. 3 The device according to FIGS. 1 and 2 is shown schematically in FIG. 3.
  • rotations around the Y-axis are also rotations "B”; Rotations around the X axis as rotations "A”; and rotations about the Z axis are referred to as rotations "C”.
  • the automobile bodies 10 to be coated are moved in the Y axis.
  • the axes of rotation 30 and 36 of the first disks 4 and the second disks 32 extend along the X axis and allow rotation "A" of each disc.
  • the axis of rotation 46 of the carrier 44 also extends in the direction of the X-axis and enables rotations "A".
  • the device according to the invention can replace conventional roofing machines and robots, which were previously used for spray coating roofs, hoods and Trunk covers of automobile bodies were used.
  • An essential advantage of the invention is also that the fluid lines required for the spraying device or the atomizer 60 can be passed through the carrier 44 in a simple manner without disturbing them or being contaminated in the cabin.
  • FIG. 5 The embodiment of the device according to the invention shown in FIG. 5 is identical to that shown in FIG. 2, with the exception that the carrier 44, which is designated by the reference number 44/2 in FIG. 5, is only shown on the left Set of a first disc 4 and a second disc 32 is worn. As a result, the carrier 44/2 can be shorter.
  • the second set of a first disk 4 and a second disk 32 shown on the right in FIG. 2 is omitted in the embodiment according to FIG. 5.
  • a closed wall part 70 of the cabin is provided there. 5, the parts are provided with the same reference numerals, which are also present in the embodiment according to FIGS. 1, 2 and 3. Since their function is the same, they are not described again here. Nevertheless, it is possible to install any number of devices for stabilizing the carrier 44 outside the cabin parallel to FIG. 5.
  • a not-shown another possibility of the invention is not to arrange the apparatus shown in Fig. 5 in a side wall of a cabin, but in the ceiling of a cabin, so by 90 o to rotate clockwise. In this case, however, no air can be sucked through the cabin roof into the cabin interior in the area of the device.

Landscapes

  • Spray Control Apparatus (AREA)

Claims (11)

  1. Dispositif d'application automatique par pulvérisation d'un matériau de revêtement sur des objets qui se déplacent le long d'un axe Y théorique, avec au moins un dispositif de pulvérisation (60) qui se déplace le long d'un axe Z théorique perpendiculaire à l'axe Y, présentant les caractéristiques suivantes: au moins un premier ensemble formé d'un premier disque (4) et d'un second disque (32) disposés du même côté en dehors du trajet de déplacement des objets (10) à revêtir; le premier disque (4) est disposé à l'extérieur du trajet de déplacement des objets (10) à revêtir dans un plan parallèle à l'axe Y et à l'axe Z et tourne autour d'un axe de rotation (30) qui est perpendiculaire à la fois à l'axe Y et à l'axe Z et s'étend suivant un axe X théorique; le second disque (32) est supporté par le premier disque (4) et est monté de manière excentrée sur le premier disque (4), parallèlement à l'axe de rotation de celui-ci, et tourne par rapport audit disque autour d'un axe de rotation (36) parallèle; des dispositifs d'entraînement (22a, 22b, 28a, 28b) pour des mouvements de rotation mutuellement adaptés des deux disques (4, 32); le dispositif de pulvérisation (60) au nombre d'au moins un est porté par les disques (4, 32) et est positionné par rapport à l'objet à revêtir par la rotation des disques.
  2. Dispositif selon la revendication 1, caractérisé par le fait que le second disque (32) est logé dans le premier disque (4).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que le dispositif de pulvérisation (60), au nombre d'au moins un, peut être déplacé avec des mouvements quelconques rectilignes ou courbes le long des axes Y et/ou Z par la combinaison des mouvements de rotation des deux disques (4, 32) disposés de manie excentrée l'un par rapport à l'autre.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé par le fait qu'au moins un support (44; 44/2) est monté sur le second disque (32) avec possibilité de rotation autour d'un axe de rotation (46) qui est disposé de manière excentrée et parallèle à l'axe de rotation (36) du second disque (32), par le fait que le support (44, 44/2) porte le dispositif de pulvérisation (60) et par le fait qu'il est prévu un dispositif d'entraînement (48) pour faire tourner le support (44; 44/2) autour de son axe de rotation (46) et à l'aide duquel le support avec le dispositif de pulvérisation peut être amené dans des positions angulaires souhaitées, en relation avec ou indépendamment des mouvements de rotation des deux disques (4, 32), de sorte que, même avec une rotation du premier disque (4) et/ou du second disque (32), le dispositif de pulvérisation (60) soit toujours maintenu dans une direction de pulvérisation donnée par rapport à l'objet (10) à revêtir ou puisse être amené dans une direction de pulvérisation donnée.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé par le fait que le dispositif de pulvérisation (60) comprend au moins un pulvérisateur et un dispositif à déplacement linéaire (62) pour déplacer le ou les pulvérisateur(s) sur l'axe X.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait que le suivi des objets (10) à revêtir est obtenu par des rotations mutuellement adaptées des deux disques (4, 32).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé par le fait que le dispositif de pulvérisation (60) peut être déplacé par la combinaison des mouvements de rotation des deux disques (4, 32) excentrés l'un par rapport à l'autre en suivant les contours des objets à revêtir, au-delà de ceux-ci, sur les axes Y et Z.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait qu'au moins un deuxième ensemble formé d'un premier disque (4) et d'un second disque (32) qui portent au moins un dispositif de pulvérisation (60) est disposé en vis-à-vis du premier ensemble formé du premier disque (4) et du second disque (32), de l'autre côté du trajet de déplacement des objets à revêtir (10), un nombre quelconque d'ensembles pouvant être monté de chaque côté pour déplacer un ou plusieurs dispositifs de pulvérisation (60).
  9. Dispositif selon la revendication 8, caractérisé par le fait que les deux premiers disques (4) du premier et du deuxième ensemble sont disposés axialement en vis-à-vis, que les deux seconds disques (32) des deux ensembles sont disposés axialement en vis-à-vis et que le dispositif de pulvérisation (60) est porté conjointement par les deux ensembles.
  10. Dispositif selon la revendication 9 et l'une des revendications 4 à 8, caractérisé par le fait que le support (44) s'étend du second disque (32) du premier ensemble jusqu'au second disque (32) du deuxième ensemble et est monté tournant dans ceux-ci.
  11. Dispositif selon l'une des revendications 4 à 9, caractérisé par le fait que le support (44) est porté par un seul ensemble de disques (4, 32).
EP91710052A 1991-03-06 1991-12-18 Dispositif de revêtement automatique d'objets par pulvérisation Expired - Lifetime EP0536459B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4107094A DE4107094A1 (de) 1991-03-06 1991-03-06 Vorrichtung zum automatischen spruehbeschichten von gegenstaenden
DE4107094 1991-03-06

Publications (2)

Publication Number Publication Date
EP0536459A1 EP0536459A1 (fr) 1993-04-14
EP0536459B1 true EP0536459B1 (fr) 1996-04-24

Family

ID=6426570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91710052A Expired - Lifetime EP0536459B1 (fr) 1991-03-06 1991-12-18 Dispositif de revêtement automatique d'objets par pulvérisation

Country Status (5)

Country Link
US (1) US5236504A (fr)
EP (1) EP0536459B1 (fr)
JP (1) JPH0669542B2 (fr)
DE (1) DE4107094A1 (fr)
ES (1) ES2088477T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703265B1 (fr) * 1993-04-01 1995-06-23 Sames Sa Machine de projection de produit de revetement par voie electrostatique.
ES2122037T3 (es) * 1993-07-19 1998-12-16 Trallfa Robot As Instalacion de robot instalada en una cabina de pintura.
DE4425229A1 (de) * 1994-07-16 1996-01-18 Abb Patent Gmbh Verfahren und Vorrichtung zum Auftragen von Flüssiglacken auf Oberflächen
AU2582997A (en) * 1996-03-18 1997-10-10 Behr Systems, Inc. Paint system with color change canisters
DE19814773A1 (de) * 1998-04-02 1999-10-07 Univ Bremen Programmierbare Düsenbewegung zur Sprühkegelbeeinflussung
DE10104904A1 (de) * 2001-02-03 2002-08-08 Abb Patent Gmbh Verfahren zur Ummantelung eines Körpers
US6648242B2 (en) * 2001-02-14 2003-11-18 Advanced Systems Technologies Oscillating high energy density output mechanism
CN106362895A (zh) * 2016-08-31 2017-02-01 吕碧倩 用于市政桥梁护栏的喷漆装置及其使用方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989785A (en) * 1988-05-17 1991-02-05 Walendowski Stanley J Method of and apparatus for water jet cleaning

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2245932A (en) * 1938-01-10 1941-06-17 R C Mahon Company Paint spraying machine
DE1006693B (de) * 1955-10-14 1957-04-18 Licentia Gmbh Spritzpistole zum Aufspruehen von schmelzfluessigem, metallischem oder nichtmetallischem Material oder von fluessigem Farbstoff
US4082870A (en) * 1975-12-29 1978-04-04 Union Carbide Corporation Method for coating nonsymmetrical objects
GB2087269B (en) * 1980-10-23 1984-05-10 Binks Bullows Ltd Paint spraying apparatus for moving vehicle bodies
GB2091133A (en) * 1981-01-15 1982-07-28 Nordson Corp Dual orbit sprayer assembly
FR2522284A1 (fr) * 1982-02-26 1983-09-02 Renault Installation automatique pour peindre les interieurs de vehicules automobiles
GB2190312B (en) * 1986-04-01 1990-12-19 Honda Motor Co Ltd Method and apparatus for painting object
DE3911454A1 (de) * 1989-04-07 1990-10-11 Behr Industrieanlagen Dachmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989785A (en) * 1988-05-17 1991-02-05 Walendowski Stanley J Method of and apparatus for water jet cleaning

Also Published As

Publication number Publication date
JPH0669542B2 (ja) 1994-09-07
ES2088477T3 (es) 1996-08-16
US5236504A (en) 1993-08-17
EP0536459A1 (fr) 1993-04-14
DE4107094A1 (de) 1992-09-10
JPH05192615A (ja) 1993-08-03

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