EP0723817B1 - Kabine zur Spritzbehandlung von Werkstücken - Google Patents

Kabine zur Spritzbehandlung von Werkstücken Download PDF

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Publication number
EP0723817B1
EP0723817B1 EP96450001A EP96450001A EP0723817B1 EP 0723817 B1 EP0723817 B1 EP 0723817B1 EP 96450001 A EP96450001 A EP 96450001A EP 96450001 A EP96450001 A EP 96450001A EP 0723817 B1 EP0723817 B1 EP 0723817B1
Authority
EP
European Patent Office
Prior art keywords
booth
turntable
central base
operator
booth according
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
EP96450001A
Other languages
English (en)
French (fr)
Other versions
EP0723817A1 (de
Inventor
Bernard Hilt
Jean-Louis Criqui
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.)
HILT EQUIPEMENTS INDUSTRIELS
Original Assignee
HILT EQUIPEMENTS INDUSTRIELS
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 HILT EQUIPEMENTS INDUSTRIELS filed Critical HILT EQUIPEMENTS INDUSTRIELS
Publication of EP0723817A1 publication Critical patent/EP0723817A1/de
Application granted granted Critical
Publication of EP0723817B1 publication Critical patent/EP0723817B1/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
    • 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
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
    • 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
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
    • 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
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0242—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the objects being individually presented to the spray heads by a rotating element, e.g. turntable
    • 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
    • B05B16/60—Ventilation arrangements specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/048—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers by spraying or projecting

Definitions

  • the subject of the present invention is a treatment of parts by spraying, in particular enameling of ceramic pieces.
  • parts made of ceramic are molded then they are covered by spraying a layer of enamel before firing which ensures the transformation of ceramic by giving it mechanical strength properties sufficient for their functions.
  • this cooking causes a fusion of enamel with self-leveling and the appearance of colors generated by the pigments contained in said enamel layer.
  • the piece is arranged in a spray equipped in its center with a spinner, that is to say a plate rotatably mounted about its vertical axis central, designed to receive the part.
  • the cabin spray includes a front opening allowing the forward / backward transfer of parts.
  • An operator, outside of the cabin, operates a gun supplied with enamel in the form thick slip and projects this enamel towards the part which is manually rotated to allow access to all sides, thanks to the spinner.
  • the enamel is deposited in a layer as regular as possible by the operator, especially avoiding the presence of missing.
  • the enamel is diluted with water so that it is absorbed by the ceramic, almost instantly, freezing then the enamel layer.
  • the operator removes the prepared part from the spinner after translating it to him and disposing of this enamelled piece on a transfer cart.
  • a first difficulty lies in loading and unloading parts that require an offset of the operator to access the spinner, even if an assembly on slides makes it possible to improve these loading-unloading, because the parts are heavy for the most part.
  • the projected part including the light particles is sucked in by high-power groups equipped with filters.
  • the volumes sucked are very important and that the mass of enamel recovered is no less important.
  • cleaning group filters is longer and more complex. Investment for the treatment of the environment is very heavy and the maintenance of resources remains important.
  • the subject of the present invention is a spray treatment of parts to avoid any exit particles of the product sprayed through the front opening, beyond the standards in force, which allows loading and unloading easier, which leaves time to rest part which has just been treated, which ensures controlled rotation of the part, which remains simple with a reduced maintenance, which promotes recovery by gravity enamel and therefore reduces the amount of product filtered, and which retains the possibility for the operator to set up uses its know-how under ergonomic conditions improved.
  • the spray booth according to the invention of a product on a part in particular of a enamel slip on a green ceramic piece, comprising a front wall provided with an opening to allow access to the room using a spray gun operator-held spray, one rear wall, two right and left side walls, a spinner supporting the room is characterized in that it includes a wall curved rear, means for emitting an air curtain at the opening right and side suction means arranged substantially at the corner of the side walls and the front wall.
  • the means emission of an air curtain are arranged in the upper part and opening.
  • the cabin includes a central base with a motorization for rotary drive, with at least two arms, the ends of which each support a spinner, the central base being placed in the immediate vicinity of said cabin and the length of the arms being such that the spinner passes substantially through the center of the cabin, as well as a door for the passage of arms and turners.
  • the training means in rotation of the single spinner in place in the cabin are integrated into the central base.
  • These rotary drive means include a drive arm movable in rotation relative to one of its ends around an axis, a motor and a first set of pulleys and a belt, one of the pulleys being driven in rotation by the motor shaft, a roller notched integral with the other pulley and a second set of pulleys, one being integral with the spinner shaft, and a notched belt on the outside and designed to cooperate with the notched roller in a first position of the training arm and designed to let the arm pass in a second position during rotational movements from the central base.
  • the drive arm includes an actuator.
  • means of adjustment are provided translation of the position of the central base relative to the operator.
  • an apron retractable on the front face is intended to reduce the dimensions of the opening in working position and for let the arm and the spinner pass during the movements of the central base.
  • the height of the tree of each spinner is adapted according to the size of the user.
  • FIGS. 1, 2 and 3 the cabin 10 is referenced and the means 12 for transferring the parts.
  • the cabin 10 includes a front wall 14, a wall rear 16 curve with generators oriented vertically as well as two right side walls 18 and left 20 when standing in front of the front wall.
  • a ceiling 22 closes off the upper part of the cabin and receives a nozzle 24 of the ventilation means not shown, of the suction / filtration type sold in the trade under the trade name HERDING.
  • the front, side and rear combine to form a hopper 26 of which the opening opens into a recovery tank 28, removable.
  • the entire cabin rests on feet 30 forming frame.
  • the right side wall 18 includes a cabinet command 32.
  • the left side wall 20 comprises means for adjustment 34 in translation of the transfer means 12 of parts, with an adjustment wheel 35 which allows to move away or to bring the transfer means closer to the operator and especially the piece they wear.
  • the double arrow indicates the direction of this translational movement forward / backward relative to the operator.
  • the rear wall 16 is equipped with a door 36, mounted pivoting about an axis 38, vertical, passing through the center curvature of the rear wall.
  • the door is supported by radiating arms 40. These radiating arms are arranged in the upper and lower parts of the cabin.
  • the door pivots inside the curved rear wall with the necessary games, parallel to this one.
  • Two high 42 and low 44 transverse beams ensure the mechanical rigidity of the assembly, while a jack pneumatic 43 allows the operation of said door.
  • the front wall 14 laterally comprises means lighting 46.
  • An opening 48 is formed on this front wall and in the upper and lower parts, this opening is equipped with compressed air blowing ramps 50 forming an air curtain with an orientation towards the interior of the cabin following a angle symbolized by the arrows 52.
  • aspirations 54 connected to the stitching 24 of the ventilation means. These aspirations 54 are arranged in the immediate vicinity of the front wall, juxtaposed with the lighting means 46 arranged in the angles.
  • the air flow circulation in the cabin is symbolized by arrow 56, and the interest of this circulation will appear more specifically during the description of operation below.
  • the transfer means 12 for the parts are shown in detail in Figures 4 and 5 and schematically in the Figure 1 in particular.
  • These transfer means 12 include a base control unit 58 with integrated motorization, mounted at rotation, supporting in the example shown three arms 60 arranged at 120 °, radiantly.
  • the central base is located in the immediate vicinity of the left side wall and the length of the arms is such that their ends pass substantially at the center of the cabin.
  • the central base 58 is connected, as indicated previously, to the translational adjustment means 34.
  • Each arm is equipped, at its end, with a whirl 62, that is to say a plate mounted for rotation.
  • These rotation drive means 64 of the spinner include a fixed frame 66 relative to the central base and arranged inside this base, supporting an arm drive 68 movable in rotation about an axis 70, movement symbolized by the double arrow 72.
  • a toothed pulley 74 is mounted on the fixed frame 66.
  • the drive arm 68 includes a toothed pulley 76.
  • a belt 78 is stretched between the toothed pulleys 74 and 76.
  • the pulley 74 is integral with the drive shaft 80 of an engine 82.
  • a notched roller 84 is mounted integral and coaxial on the pulley 76 by a connecting screw 86.
  • the operation of the arm 68 is obtained by a jack 88 whose the piston 90 moves in translation in one direction and in the other according to arrow 92.
  • Each arm comprises two pulleys 94, 96 of which one 94 is located in the immediate vicinity of the notched roller 84, and the other 96 is integral with the drive shaft 98 of the spinner carried by the arm.
  • this drive shaft 98 has a cradle adapted to the room and its height will be depending on the size of the operator in order to offer a good ergonomics.
  • An external toothed belt 100 provides the connection between the two pulleys 94 and 96.
  • the teeth are provided for cooperate with the teeth of the notched roller 84.
  • All of the drive means 64 are positioned so as to drive the spinner when the arm is located in the cab, in the working position, loaded with a part shown in phantom in Figure 2 alone, so as not to not detract from the clarity of the other figures, and referenced to tracking purposes 102.
  • the operator moves and operates on the control cabinet controls the base rotation switch central 58, which moves the part from position A to position B, without risk for the operator who is outside of the field of rotation of the arms 60.
  • the jack 43 opened door 36 to let arm 60 and the spinner 62, which is integral therewith, the assembly moves from position B to position C.
  • the general switch of the installation ensures, during commissioning of the cabin, lighting 46, commissioning route of the suction unit, and the supply of the ramps 50 compressed air supply.
  • the operator can then stand in front of the wall front and, using a spray gun type known, it deposits a thick layer of enamel slip. At gradually, it activates, for example using a foot switch, the drive means of the spinner.
  • the notched roller 84 is brought into contact with the belt 100 notched on the outside by the actuation of the jack 88, the piston of which projects.
  • Motor 82 is switched on works by said foot switch, which rotates the pulley 74 which drives the belt 78, rotates the pulley 76 and therefore the notched roller 84 which is integral therewith.
  • the belt 100 is in turn rotated, which rotates the part supported by the spinner.
  • the finer particles also settle because the flow air generated by the ramps is found to have zero speed along the curved wall, which facilitates deposition by gravity.
  • the air flow then picks up a little speed along from the side walls to the aspirations 54, under the effect of depression.
  • the operator loads a new green product on the spindle of position A then appears in front of the control panel to set up rotation of the central base 58 so that the finished part goes from B to C and the new part to be treated from A to B.
  • the enamelled piece "dries" in the sense that the porous ceramic absorbs water from the enamel slip the deposited layer.
  • the operator then processes the second part of the same way as before. Once finished, the operator makes again turn the central base, after loading the spinner in A.
  • an apron retractable at the bottom which is moved when each movement in rotation of the central base in order to let pass arm and spinner.
  • the arrangement and the curved shape of the rear wall y are for many. Indeed, large particles accumulate on the wall in a sufficiently thick layer so that it does not dry and the adhesion is minimal on the wall. For this purpose, the door must slide in front of the rear wall with sufficient clearance to allow it to remain the thickness of enamel required.
  • the turntables are equipped with any suitable means to ensure rotation blocking of the shaft 98, of one or the other of the pulleys 94 or 96, or the belt 100. It is advisable indeed to immobilize the part while the central base is in motion.
  • the acceleration and the deceleration of the rotation of the central base will be made progressive by adapted steering of the motorization of the transfer means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Spray Control Apparatus (AREA)

Claims (9)

  1. Kabine zum Spritzen eines Produkts auf ein Teil (102), insbesondere einer Emailleschlempe, auf ein Teil aus ungebrannter Keramik, umfassend eine vordere Wand (14), die mit einer Öffnung (48) versehen ist, die dazu vorgesehen ist, den Zugang zum Teil mit Hilfe einer von einer Bedienungsperson gehaltenen Spritzpistole zu ermöglichen, eine hintere Wand (16), zwei Seitenwände, eine rechte (18) und eine linke (20), und eine Drehvorrichtung (62), die das Teil trägt, dadurch gekennzeichnet, daß sie eine gekrümmte hintere Wand (16), Mittel (50), die an den Ort der Öffnung (48) einen Luftvorhang ausgeben, und seitliche Ansaugmittel (54), die im wesentlichen in der Ecke der Seitenwände und der vorderen Wand angeordnet sind, umfaßt.
  2. Kabine nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel (50) zum Ausgeben eines Luftvorhangs im oberen Teil und im unteren Teil der Öffnung (48) angeordnet sind.
  3. Kabine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß sie eine mittige Fußplatte (58) mit einem Motor für den rotatorischen Antrieb umfaßt, die wenigstens zwei Arme (60) aufweist, deren Enden jeweils eine Drehvorrichtung (62) tragen, wobei die mittige Fußplatte (58) in unmittelbarer Nähe der Kabine angeordnet ist und die Länge der Arme derart ist, daß sich die Drehvorrichtung (62) im wesentlichen durch die Mitte der Kabine sowie durch eine Tür (36) für den Durchgang der Arme (60) und der Drehvorrichtungen (62) bewegt.
  4. Kabine nach Anspruch 3, dadurch gekennzeichnet, daß sie Mittel (64) für den rotatorischen Antrieb der einzigen in der Kabine befindlichen Drehvorrichtung (62) umfaßt, die mit der mittigen Fußplatte einteilig ausgebildet sind.
  5. Kabine nach Anspruch 4, dadurch gekennzeichnet, daß die Mittel (64) für den rotatorischen Antrieb versehen sind mit einem Antriebsarm (68), der an einem seiner Enden um eine Achse (70) drehbar ist, einem Motor (82), einer ersten Einheit aus Riemenscheiben (74, 76) und aus einem Riemen (78), wobei eine (74) der Riemenscheiben durch die Welle (80) des Motors (82) rotatorisch angetrieben wird, einem Ritzel (84), das mit der anderen Riemenscheibe (76) verbunden ist, sowie einer zweiten Einheit aus Riemenscheiben (94, 96), wovon eine (96) mit der Welle (98) der Drehvorrichtung verbunden ist, und aus einem Riemen (100), der an der Außenseite gezahnt ist und dazu vorgesehen ist, in einer ersten Position des Antriebsarms (68) mit dem Ritzel (84) zusammenzuwirken, und dazu vorgesehen ist, den Arm (60) in einer zweiten Position während der Drehbewegungen der mittigen Fußplatte sich vorbeibewegen zu lassen.
  6. Kabine nach Anspruch 5, dadurch gekennzeichnet, daß der Antriebsarm (68) einen Stellzylinder (88) umfaßt.
  7. Kabine nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß sie Mittel (34) zum translatorischen Einstellen in Vorwärts-/Rückwärtsrichtung der mittigen Fußplatte in bezug auf die Bedienungsperson umfaßt.
  8. Kabine nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, daß sie auf der Vorderseite eine einfahrbare Schürze umfaßt, die dazu vorgesehen ist, die Abmessungen der Öffnung in der Arbeitsposition zu verringern und den Arm (60) und die Drehvorrichtung (62) bei Bewegungen der mittigen Fußplatte (58) durchzulassen.
  9. Kabine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Antriebswelle (98) jeder Drehvorrichtung einen Teile-Trägerschlitten trägt und die Höhe dieser Antriebswelle in Abhängigkeit von der Größe der Bedienungsperson ergonomisch angepaßt ist.
EP96450001A 1995-01-26 1996-01-25 Kabine zur Spritzbehandlung von Werkstücken Expired - Lifetime EP0723817B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9501181A FR2729871B1 (fr) 1995-01-26 1995-01-26 Cabine de traitement de pieces par pulverisation
FR9501181 1995-01-26

Publications (2)

Publication Number Publication Date
EP0723817A1 EP0723817A1 (de) 1996-07-31
EP0723817B1 true EP0723817B1 (de) 2001-04-18

Family

ID=9475749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96450001A Expired - Lifetime EP0723817B1 (de) 1995-01-26 1996-01-25 Kabine zur Spritzbehandlung von Werkstücken

Country Status (3)

Country Link
EP (1) EP0723817B1 (de)
DE (1) DE69612519D1 (de)
FR (1) FR2729871B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7399362B2 (en) 2001-03-28 2008-07-15 Eisenmann Anlagenbau Gmbh & Co. Kg Installation for powder coating of articles

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010032143A1 (de) * 2010-07-24 2012-01-26 Eisenmann Ag Anlage zur Oberflächenbehandlung von Gegenständen
CN104028402B (zh) * 2014-05-29 2016-08-17 巨野县阳光搪瓷制品有限公司 用于对搪瓷器皿进行喷花处理的喷花设备
CN106827203A (zh) * 2017-03-06 2017-06-13 漳州市烨发工贸有限公司 陶瓷旋转式全自动六工位喷釉机
CN107694859A (zh) * 2017-10-10 2018-02-16 天津包博特密封科技有限公司 一种便捷操作的上胶架
CN111805715B (zh) * 2020-07-23 2021-09-03 内蒙古元史文化传媒有限公司 一种陶瓷喷釉机
CN112264230A (zh) * 2020-10-15 2021-01-26 马鞍山市求是仪表厂 一种新型仪表盘喷漆设备
CN115056329B (zh) * 2022-06-30 2023-09-29 重庆安都陶瓷有限公司 一种陶罐上釉系统及方法
CN115256609B (zh) * 2022-07-21 2023-09-19 苏州市职业大学 一种陶瓷制备浇釉装置及其制备方法
CN116273644B (zh) * 2023-03-28 2023-08-18 广州诺贝尼家居有限公司 一种板材自动化喷漆装置

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DE519005C (de) * 1927-12-09 1931-02-23 Moritz Hirsch Dipl Ing Verfahren zur Beseitigung des insbesondere beim Spritzlackieren in Spritzraeumen mit offener Arbeitsstelle entstehenden Nebels
FR646127A (fr) * 1927-12-23 1928-11-07 Desmarais Freres Appareil permettant de peindre automatiquement et de façon continue une série d'objets et plus spécialement des bidons
US2930345A (en) * 1958-01-24 1960-03-29 Us Rubber Co Automatic white-black tire painting machine
DE3345422A1 (de) * 1983-12-15 1985-06-27 Sapco Systemanalyse und Projektcontrol GmbH, 4000 Düsseldorf Schadstoffabsaugungseinrichtung
GB8506167D0 (en) * 1985-03-09 1985-04-11 Spraymatic Co Ltd Rotary spraying table machine
US4644897A (en) * 1985-10-01 1987-02-24 Graco Robotics, Inc. Modular robotic finishing work center
US5277652A (en) * 1993-02-23 1994-01-11 Minor James G Spray booth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7399362B2 (en) 2001-03-28 2008-07-15 Eisenmann Anlagenbau Gmbh & Co. Kg Installation for powder coating of articles

Also Published As

Publication number Publication date
FR2729871B1 (fr) 1997-04-25
EP0723817A1 (de) 1996-07-31
FR2729871A1 (fr) 1996-08-02
DE69612519D1 (de) 2001-05-23

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