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EP0723817A1 - Kabine zur Spritzbehandlung von Werkstücken - Google Patents

Kabine zur Spritzbehandlung von Werkstücken Download PDF

Info

Publication number
EP0723817A1
EP0723817A1 EP96450001A EP96450001A EP0723817A1 EP 0723817 A1 EP0723817 A1 EP 0723817A1 EP 96450001 A EP96450001 A EP 96450001A EP 96450001 A EP96450001 A EP 96450001A EP 0723817 A1 EP0723817 A1 EP 0723817A1
Authority
EP
European Patent Office
Prior art keywords
cabin
spinner
central base
operator
arm
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.)
Granted
Application number
EP96450001A
Other languages
English (en)
French (fr)
Other versions
EP0723817B1 (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 present invention relates to a spraying parts treatment booth, in particular for glazing ceramic parts.
  • the ceramic parts are molded and then they are covered by spraying with a layer of enamel before undergoing a firing which ensures the transformation of the ceramic by giving it properties of mechanical resistance sufficient for their functions.
  • this firing causes a melting of the enamel with self-leveling as well as the appearance of the colors generated by the pigments contained in said layer of enamel.
  • the part is arranged in a spray booth equipped in its center with a spinner, that is to say a plate rotatably mounted about its central vertical axis, designed to receive the part.
  • the spray booth includes a front opening for forward / backward transfer of parts.
  • An operator outside the cabin, maneuvers a gun supplied with enamel in the form of thick slip and projects this enamel towards the workpiece which is rotated manually to allow access to all sides, this thanks to the spinner.
  • the enamel is deposited in as even a layer as possible by the operator, above all avoiding the presence of gaps.
  • the enamel is diluted with water so that it is absorbed by the ceramic, almost instantly, freezing the layer of enamel.
  • the operator removes the part thus prepared from the spinner after having translated it towards him and places this enameled part on a transfer carriage.
  • a first difficulty lies in the loading-unloading of the parts which requires an offset from the operator to access the spinner, even if mounting on runners makes it possible to improve these loading-unloading, since the parts are heavy for the most part.
  • the projected part comprising the light particles is sucked up by high power groups equipped with filters. It can be seen that the volumes sucked in are very large and that the mass of enamel recovered is no less significant. Unlike the bin, which is a simple and easy means of collection, cleaning the filters of the suction groups is longer and more complex. The investment for the treatment of the environment is very heavy and the maintenance of the means remains important.
  • the subject of the present invention is a spraying parts treatment booth which prevents any exit of particles of the sprayed product by the front opening, beyond the standards in force, which allows easier loading-unloading, which leaves the part that has just been treated to rest, which ensures controlled rotation of the part, which remains simple with maintenance reduced, which promotes gravity recovery of the enamel and therefore reduces the amount of product filtered, and which retains the possibility for the operator to use his know-how under improved ergonomic conditions.
  • the spray booth according to the invention of a product on a part in particular of an enamel slip on a green ceramic part, comprising a front wall provided with an opening provided to allow access to the workpiece using a spray gun held by an operator, a rear wall, two right and left side walls, a spinner supporting the workpiece is characterized in that it comprises a curved rear wall, means for 'emission of an air curtain to the right of the opening and lateral suction means arranged substantially at the angle of the side walls and the front wall.
  • the emission means of an air curtain are arranged in the upper and lower part of the opening.
  • the cabin comprises a central base with a motorization for the rotary drive, comprising at least two arms, the ends of which each support a spinner, the central base being arranged 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 the arms and spinner.
  • the means for rotating the single spinner in place in the cabin are integrated into the central base.
  • These rotary drive means comprise a drive arm movable in rotation relative to one of its ends about 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 pulley and a second set of pulleys, one being integral with the spindle shaft and a notched belt on the outside and designed to cooperate with the notched roller in a first position of the drive and provided to allow the arm to pass into a second position during the rotational movements of the central base.
  • the drive arm includes an actuator.
  • means are provided for translational adjustment of the position of the central base relative to the operator.
  • a retractable apron on the front face is provided to reduce the dimensions of the opening in the working position and to allow the arm and the spinner to pass during the movements of the central base.
  • the height of the drive shaft of each spinner is adapted according to the size of the user.
  • FIGS. 1, 2 and 3 the cabin 10 and the means 12 for transferring the parts have been referenced.
  • the cabin 10 comprises a front wall 14, a rear wall 16 curved with the generators oriented vertically as well as two right side walls 18 and left 20 when one is positioned opposite the front wall.
  • a ceiling 22 closes off the upper part of the cabin and receives a nozzle 24 from the ventilation means, not shown, of the suction / filtration type sold commercially under the trade name HERDING.
  • the front, side and rear walls combine to form a hopper 26, the opening of which opens into a removable collecting tank 28.
  • the entire cabin rests on feet 30 forming a chassis.
  • the right side wall 18 includes a control cabinet 32.
  • the left side wall 20 comprises adjustment means 34 in translation of the transfer means 12 for the parts, with an adjustment wheel 35 which makes it possible to move these transfer means, and in particular the part they carry.
  • the double arrow indicates the direction of this forward / backward translational movement relative to the operator.
  • the rear wall 16 is equipped with a door 36, pivotally mounted about a vertical axis 38, passing through the center of 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 clearances, parallel to it.
  • Two high 42 and low 44 transverse beams ensure the mechanical rigidity of the assembly, while a pneumatic cylinder 43 allows the operation of said door.
  • the front wall 14 laterally comprises lighting means 46.
  • An opening 48 is formed on this front wall and in the upper and lower parts, this opening is fitted with ramps 50 for blowing compressed air forming an air curtain with an orientation towards the interior of the cabin at an angle symbolized by the arrows 52.
  • aspirations 54 connected to the tap 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 corners.
  • the means 12 for transferring the parts are shown in detail in Figures 4 and 5 and schematically in Figure 1 in particular.
  • These transfer means 12 comprise a central base 58 with an integrated motorization, mounted for rotation, supporting in the example shown three arms 60 arranged at 120 °, radiantly.
  • the central base is arranged in the immediate vicinity of the left side wall and the length of the arms is such that their ends pass substantially through the center of the cabin.
  • the central base 58 is connected, as indicated above, to the translation adjustment means 34.
  • Each arm is equipped, at its end, with a turner 62, that is to say a plate mounted for rotation.
  • These rotational drive means 64 for the spinner include a fixed frame 66 relative to the central base and disposed inside this base, supporting a drive arm 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 comprises 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 a motor 82.
  • a notched roller 84 is mounted integral and coaxial with the pulley 76 by a connecting screw 86.
  • the operation of the arm 68 is obtained by a jack 88 whose piston 90 moves in translation in one direction and in the other according to arrow 92.
  • Each arm comprises two pulleys 94, 96, one of which 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 depend on the size of the operator in order to provide good ergonomics.
  • An external toothed belt 100 provides the connection between the two pulleys 94 and 96.
  • the teeth are provided to cooperate with the teeth of the toothed roller 84.
  • All of the drive means 64 are positioned so as to drive the spinner when the arm is located in the cabin, in the working position, loaded with a part shown in phantom in FIG. 2 alone, so as not to not detract from the clarity of the other figures, and referenced for locating purposes 102.
  • the operator moves and actuates on the control cabinet the rotation switch of the central base 58, which moves the part from position A to position B, without risk for the operator who is outside the field of rotation of the arms 60.
  • the jack 43 has opened the door 36 to let the arm 60 pass and the spinner 62, which is integral therewith, the assembly moves from position B to position C.
  • the general switch of the installation ensures, when the cabin is put into service, the lighting 46, the start-up of the suction group, and the supply of the supply air ramps 50 with compressed air.
  • the operator can then stand in front of the front wall and, using a known type of spray gun, deposits a thick layer of enamel slip. At gradually, it actuates, 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 outside by the operation of the jack 88, the piston of which projects.
  • the motor 82 is started 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 operator acting on the adjustment wheel 35 approaches or moves the workpiece away to work with a good ergonomic position. This adjustment is generally made only once at the start of the series of identical parts to be treated, depending on the dimensions.
  • the finer particles are also deposited because the air flow generated by the ramps is found to have a zero speed along the curved wall, which facilitates the deposition by gravity.
  • the air flow then picks up a little speed along the side walls until the aspirations 54, under the effect of the depression.
  • the operator loads a new green product onto the spinner in position A, then comes to the control panel to rotate 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 enamel piece "dries" in the sense that the porous ceramic absorbs the water from the slip of the enamel of the deposited layer.
  • the cycle ends with the processing of the third part.
  • the arrangement and the curved shape of the rear wall have a lot to do with it. Indeed, large particles accumulate on the wall in a sufficiently thick layer so that it does not dry and that the adhesion is minimal on the wall. For this purpose, the door must slide in front of the rear wall with sufficient play to allow the necessary thickness of enamel to remain.
  • the spindles are equipped with any means suitable for ensuring a rotation blocking of the shaft 98, of one or the other of the pulleys 94 or 96, or also of the belt 100 It is indeed necessary to immobilize the part while the central base is in motion.
  • the acceleration and deceleration of the rotation of the central base will be made progressive by a suitable control 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)
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
FR9501181 1995-01-26
FR9501181A FR2729871B1 (fr) 1995-01-26 1995-01-26 Cabine de traitement de pieces par pulverisation

Publications (2)

Publication Number Publication Date
EP0723817A1 true EP0723817A1 (de) 1996-07-31
EP0723817B1 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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012016637A1 (de) * 2010-07-24 2012-02-09 Eisenmann Ag Modulare anlage zur oberflächenbehandlung von gegenständen
CN104028402A (zh) * 2014-05-29 2014-09-10 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
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
CN111805715A (zh) * 2020-07-23 2020-10-23 王清冬 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
CN115056329A (zh) * 2022-06-30 2022-09-16 重庆安都陶瓷有限公司 一种陶罐上釉系统及方法
CN115256609A (zh) * 2022-07-21 2022-11-01 苏州市职业大学 一种陶瓷制备浇釉装置及其制备方法
CN116273644A (zh) * 2023-03-28 2023-06-23 广州诺贝尼家居有限公司 一种板材自动化喷漆装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10115376B4 (de) 2001-03-28 2006-03-16 EISENMANN Fördertechnik GmbH & Co. KG Anlage zum Pulverlackieren von Gegenständen
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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
EP0195510A2 (de) * 1985-03-09 1986-09-24 Spraymatic Company Limited Spritzmaschine mit drehendem Werkstückträger
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0195510A2 (de) * 1985-03-09 1986-09-24 Spraymatic Company Limited Spritzmaschine mit drehendem Werkstückträger
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 (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012016637A1 (de) * 2010-07-24 2012-02-09 Eisenmann Ag Modulare anlage zur oberflächenbehandlung von gegenständen
CN102892515A (zh) * 2010-07-24 2013-01-23 艾森曼股份公司 用于物体的表面处理的模块式设备
RU2572897C2 (ru) * 2010-07-24 2016-01-20 Айзенманн Аг Модульная установка для обработки поверхности предметов
CN102892515B (zh) * 2010-07-24 2017-03-29 艾森曼股份公司 用于物体的表面处理的模块式设备
CN104028402A (zh) * 2014-05-29 2014-09-10 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
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
CN111805715A (zh) * 2020-07-23 2020-10-23 王清冬 一种陶瓷喷釉机
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
CN115056329A (zh) * 2022-06-30 2022-09-16 重庆安都陶瓷有限公司 一种陶罐上釉系统及方法
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
CN115256609A (zh) * 2022-07-21 2022-11-01 苏州市职业大学 一种陶瓷制备浇釉装置及其制备方法
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
CN116273644A (zh) * 2023-03-28 2023-06-23 广州诺贝尼家居有限公司 一种板材自动化喷漆装置
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

Also Published As

Publication number Publication date
DE69612519D1 (de) 2001-05-23
FR2729871B1 (fr) 1997-04-25
FR2729871A1 (fr) 1996-08-02
EP0723817B1 (de) 2001-04-18

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