EP3088090A1 - Dispositif de laquage et procédé de laquage d'une surface extérieure d'un objet laqué - Google Patents

Dispositif de laquage et procédé de laquage d'une surface extérieure d'un objet laqué Download PDF

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Publication number
EP3088090A1
EP3088090A1 EP15165965.3A EP15165965A EP3088090A1 EP 3088090 A1 EP3088090 A1 EP 3088090A1 EP 15165965 A EP15165965 A EP 15165965A EP 3088090 A1 EP3088090 A1 EP 3088090A1
Authority
EP
European Patent Office
Prior art keywords
paint
painting
output
lackierobjekts
printing
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
EP15165965.3A
Other languages
German (de)
English (en)
Other versions
EP3088090B1 (fr
Inventor
Joachim Schulz
Joachim Weber
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.)
Hinterkopf GmbH
Original Assignee
Hinterkopf 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 Hinterkopf GmbH filed Critical Hinterkopf GmbH
Priority to EP15165965.3A priority Critical patent/EP3088090B1/fr
Priority to ES15165965T priority patent/ES2760000T3/es
Priority to PL15165965T priority patent/PL3088090T3/pl
Priority to US15/142,633 priority patent/US20160346806A1/en
Publication of EP3088090A1 publication Critical patent/EP3088090A1/fr
Application granted granted Critical
Publication of EP3088090B1 publication Critical patent/EP3088090B1/fr
Active legal-status Critical Current
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
    • B05B13/0221—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
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • B05C13/025—Means for manipulating or holding work, e.g. for separate articles for particular articles relatively small cylindrical objects, e.g. cans, bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0295—Floating coating heads or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • B41F17/20—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors
    • B41F17/22—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on articles of uniform cross-section, e.g. pencils, rulers, resistors by rolling contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour

Definitions

  • the invention relates to a painting device for painting an outer surface of a Lackier réelles, with an output device for providing a continuous or discontinuous paint stream and with a receiving device for receiving and positioning a Lackier réelles opposite to the output device, wherein the output device has a dispensing nozzle and a fluidically communicating connected to the dispensing nozzle paint conveyor includes, which is designed for a pressurized delivery of paint to the dispensing nozzle. Furthermore, the invention relates to a method for painting an outer surface of a Lackier réelles.
  • a painting of a Lackier ceremonies which may be in particular an aerosol can blank having a substantially cylinder jacket outer surface, a paint application to the, preferably previously printed, outer surface provided by means of a roller assembly ,
  • paint from a storage container is first applied to a plurality of rollers aligned parallel to one another, wherein adjacent rollers roll against each other and thereby achieve a homogenization of a paint film.
  • An applicator roller is finally in direct contact with the outer surface of the Lackier réelles and applies the paint contact with the outer surface.
  • the object of the invention is to provide a painting device and a method for painting an outer surface of a Lackieritess in which a compact structure for the painting and a contactless paint application are guaranteed on the Lackier réelles and operated in a small, enclosed volume of space or performed can occur without this undesirable paint mist.
  • the paint delivery device is designed for providing a hydrostatic pressure on the paint and that the outlet nozzles are designed for an output of paint threads in, at least predominantly, in particular exclusively, dependence on the hydrostatic pressure on the paint.
  • This refinement of the paint delivery device and the discharge nozzles ensures that the paint can be applied as a paint thread, ie as a compact strand without fogging of paint particles, and applied contactlessly to the outer surface of the paint object.
  • no additional fluid, such as compressed air is required to convey the paint from a reservoir to the outlet nozzle (s).
  • the discharge process for the paint threads depends essentially on the hydrostatic pressure applied by the paint delivery device to the paint, the viscosity of the paint, which is specified in most paints and can be adjusted by suitable temperature control at a certain interval, on the geometry of the outlet nozzle and from the distance between an orifice of the outlet nozzle and the painting object.
  • the lacquer can be discharged from the outlet nozzle without electrostatic or electrodynamic influences on the lacquer, so that the lacquer in this respect does not have to have any special properties, such as a specifiable electrical conductivity.
  • a hydrostatic pressure on the paint optionally a pressurized air supply of a reservoir is made or the paint is conveyed to the outlet nozzles with a pumping device.
  • the pumping means is arranged away from the outlet nozzles and is designed in particular as a paint delivery pump.
  • the invention provides that the outlet nozzles are geometrically designed so that the pressurized paint without an additional conveying fluid, in particular compressed air, thread-like from the outlet nozzle emerges and can be applied to the outer surface of the oppositely arranged Lackier réelles. It is preferably provided that the outlet nozzles are arranged relative to the receiving device, that the exiting paint threads are applied obliquely downwards or in the vertical direction down to the outer surface of the Lackier réelles.
  • any orientation of the outlet nozzles can be provided in space, so that the exiting paint threads also obliquely upward or can be applied in a vertical upward direction on the outer surface of the painting object.
  • such a coating method has the advantage that no spray mist is produced during paint application to the object to be painted, as occurs in compressed air spray systems.
  • the receiving device for a rotary mounting of the Lackier ceremoniess is formed about a rotational axis which is aligned transversely to a nozzle axis, which determines a Lackaustrittscardi from the dispensing nozzle.
  • a rotational axis which is aligned transversely to a nozzle axis, which determines a Lackaustrittscardi from the dispensing nozzle.
  • an advantageous application of paint to the painting object perpendicular / normal and thus parallel to a surface normal of the outer surface of the painting object is ensured.
  • a relative movement between the object to be painted and the outlet nozzle can be achieved with the aid of the pivot bearing for the object to be painted around the axis of rotation.
  • the example designed as a cylinder sleeve painting object in an efficient manner on its entire outer surface the one Cylinder jacket surface at least substantially corresponds to be coated with paint. It is particularly advantageous if a cross section of the painting object is circular and the receiving device is arranged with its axis of rotation relative to the outlet nozzle such that there is always at least substantially the same distance between the painting object and the outlet nozzle during rotation of the painting object about the axis of rotation.
  • the outlet nozzle is exemplarily designed as a circular cylindrical bore in a nozzle plate, wherein a bore axis is identical to the nozzle axis. Furthermore, it can be provided by way of example that the nozzle axis is aligned normally on an end face of the nozzle plate. It is particularly advantageous if only dispensing nozzles and no paint ejection-influencing, in particular none, fluid outlet nozzles for a pressurized auxiliary fluid, in particular compressed air, are arranged in the nozzle plate.
  • the output device is arranged linearly movable relative to the receiving device and comprises a controlled or controlled controllable actuating means for a linear movement along the axis of rotation.
  • a superposition of two relative movements can be made during the painting process, by a full-scale application of paint is made possible on the outer surface of the Lackier réelles.
  • the first relative movement between the object to be painted and the dispensing nozzle is caused by the rotational movement of the receiving device about the axis of rotation.
  • the second relative movement between the object to be painted and the dispensing nozzle takes place through the linear movement of the dispensing device along the axis of rotation.
  • the adjusting means may be a fluidic drive or an electric drive, for example a pneumatic cylinder or an electric spindle drive, which is controlled by a suitable control device.
  • a plurality of output devices are arranged circumferentially circular to the axis of rotation.
  • the dispensing devices can be arranged offset along the axis of rotation to allow an arrangement of dispensing nozzles relative to the Lackierêt in which with as few revolutions of the Lackier réelles around the axis of rotation complete or at least provided in a pre-eminence coating is possible.
  • one or more of the output devices are arranged linearly movable relative to the receiving device and at least two output devices can be moved synchronously or independently of each other along the axis of rotation.
  • nozzle axes adjacently arranged output device occupy an acute angle, in particular an angle less than 45 degrees, whereby a particularly compact arrangement of the output devices is made possible.
  • the output device comprises a plurality, in particular along a straight line aligned parallel to the axis of rotation, preferably arranged evenly distributed, dispensing nozzles.
  • the dispensing nozzles are arranged in a uniform pitch relative to one another, in which the lacquer threads impinging on the outer surface of the lacquer object reliably come into contact with adjacently applied lacquer threads, so that a closed lacquer surface can be created.
  • valve device to be formed between the paint delivery device and the delivery nozzle for a temporary interruption of the fluidically communicating connection.
  • the valve device which is preferably an electromechanical valve, in particular a solenoid valve, a highly dynamic influence on the paint flow between the paint delivery device and the delivery nozzle is possible.
  • the valve device directly is arranged upstream of the dispensing nozzle, so that a paint volume, which can not be influenced by the switching position or control position of the valve device is kept as low as possible. As a result, an undesirable drop formation in the vicinity of the dispensing nozzle is reduced.
  • the valve device can be designed as a needle valve which, at a transition from a paint delivery channel, which can be called a valve chamber, to the dispensing nozzle, engages with a valve needle in a valve seat formed directly on the dispensing nozzle and thus minimizes the volume of paint that can not be influenced.
  • a paint delivery channel which can be called a valve chamber
  • the paint delivery device and / or the output device and / or the receiving device is assigned a tempering device, in particular a heating device, for a temperature control of the paint and / or the paint object. Since a job of the paint on the outer surface of the Lackier réelles takes place as a paint thread, it is advantageous if the paint thread is easily flowable when hitting the outer surface to wet the largest possible surface area of the outer surface with paint. For this purpose, it is advantageous if the painting object can be heated to a favorable temperature for the paint with a tempering device, in particular a heating device, assigned to the receiving device.
  • the paint delivery device and / or the output device is associated with a tempering, with the aid of a temperature of the paint can be kept in a vorgebaren temperature interval to spend a stable paint thread from the dispensing nozzle.
  • This is particularly important when a rotational movement of the Lackieritess is performed around the axis of rotation at a high angular velocity to take this case due to aerodynamic effects no tearing of the paint thread in purchasing, whereby a more uneven paint the outer surface of the Lackier réelles would occur.
  • the output device is arranged as a processing station on a machine frame and if the Machine frame are associated with a plurality of movably mounted receiving devices, which are designed for a, in particular discontinuous, transport of Lackierêten between the processing stations along a, in particular circular section-shaped, movement path.
  • the machine frame is preferably a machine frame of a printing machine, on which several processing stations are provided for processing the painting object.
  • the processing stations also include the intended for painting the Lackieritess output device and additional facilities and / or arrangements that are designed for printing the Lackieritess and / or preparing the Lackieritess on the painting and / or for further processing of the Lackieritess after painting.
  • a plurality of receiving devices are provided which are arranged in particular on a common, rotatably mounted, workpiece rotary table, which is provided with a rotary drive. It is preferably provided that the rotary drive carries out a discontinuous movement, in particular a rotary step movement, of the workpiece rotary table and thus of the receiving devices.
  • the receiving devices and each recorded on the receiving devices Lackierête along a circular section-shaped movement path between the individual processing stations which are preferably arranged in the same angular pitch and the same radial distance to a rotational axis of the rotary drive, are moved.
  • the rotary drive can be, for example, an electric direct drive with a stator fixedly mounted on the machine frame and a rotor rotatably mounted with respect to the stator, in particular integrated in the workpiece rotary table, which performs the desired rotational movement about a preferably vertically oriented axis of rotation by charging with electrical energy
  • the receiving devices are preferably designed as mandrels, on which the sleeve-shaped Lackier Consume can be plugged.
  • the receiving devices can also be designed as a chuck, in which the painting objects are partially inserted and tensioned.
  • the output device along the path of movement downstream of a, in particular designed as an ink jet printing device, printing device is arranged, which is designed for at least partially printing the outer surface of the Lackierêts before performing the painting.
  • the printing device can be designed, for example, for carrying out a contact-type, indirect high-pressure printing process with the aid of printing plates or for carrying out a contactless inkjet printing process, which can also be referred to as a digital printing process and in which a distribution of printing ink can be set individually for each coating object.
  • the processing stations and the receiving devices are accommodated in a volume of space which is delimited by boundary walls and separated from an environment and in which there is a constant room temperature and / or a prescribable overpressure relative to the environment.
  • reproducible conditions for the printing process can be ensured.
  • the relative movement comprises a linear movement between the object to be painted and the dispensing nozzle along the axis of rotation.
  • linear movements are coordinated with a plurality of dispensing devices in such a way that lacquer threads of different dispensing devices are placed crossed on the outer surface of the object to be painted and this causes an advantageous wetting of the outer surface of the object to be painted with the applied lacquer.
  • At least one dispensing nozzle is associated with a valve device, which performs a dynamic provision and shutdown of a fluidically communicating connection between paint conveyor and dispensing nozzle, in particular for adaptation to different product lengths of Lackier ceremoniess.
  • FIG. 1 schematically illustrated printing machine 1 comprises a rotatable about a rotation axis 2 mounted on a machine frame not shown workpiece rotary table 3 and a plurality, each paired on the workpiece rotary table 3, serving as receiving devices workpiece holders 4.
  • the workpiece holders 4 are individually rotatable about rotational axes 5 with not shown drive means stored.
  • the workpiece holders 4 are provided for receiving sleeve-shaped objects 6, in particular designed as aerosol can blanks or tube blanks, formed at least substantially with a circular-cylindrical cross-section.
  • the workpiece holders 4 are formed as pins on which the hollow body, in particular as a closed hollow cylinder, formed and also referred to as Lackierête objects 6 can be plugged.
  • each of the workpiece holders 4 is assigned its own drive motor, which can be controlled separately and is not shown, and which enables a rotational movement of the respective workpiece holder 4 about the respective axis of rotation 5.
  • This possibility for, in particular controlled, rotation of the respective workpiece holder 4 is used in particular in carrying out the printing operation and the coating operation described in more detail below.
  • a plurality of workstations 8 to 18 are arranged to a processing and / or examination of the transported objects 6 are formed. Since it is in the view according to the FIG. 1 is a plan view and the workstations 9 to 17 are usually arranged in the vertical direction above the workpiece holders 4, the workstations are shown 9 to 17 only in dashed lines.
  • the work station 8 is a loading station, also referred to as a feed station, on which the cylindrical objects 6 are pushed in pairs onto the workpiece holders 4 by a suitable transport device 19, which is coupled to a conveying system, not shown, for the cylindrical objects 6.
  • a neutralization of electrical charges which may be present on an outer surface 25 of the article 6, is provided purely by way of example. Such neutralization is advantageous in particular for plastic objects 6 and can optionally be omitted in the case of objects 6 made of metal.
  • the workstation 9 comprises a non-illustrated neutralization arrangement, with which the discharge of the article 6 can be performed.
  • the neutralization arrangement comprises two electrodes arranged at a distance from each other, to which an electric alternating field is applied in each case by a control device likewise not shown in more detail.
  • an electrical voltage and a frequency of the alternating electric field are matched in a manner to the distance of the electrodes, that in the vicinity of the electrodes existing gas, in particular air, can be ionized.
  • the liberated ions can be a charge balance with the electrical charges, at the Outside surface 25 of the article 6, take place.
  • the now electrically neutral object 6 is then conveyed along the movement path 7 to the subsequent workstation 10.
  • the workstation 10 Downstream along the path of movement 7, the workstation 10 is provided following the workstation 9, which is purely an example of a cleaning arrangement.
  • the cleaning station is designed as a suction device, which is designed for contactless suction of the outer surface 25 of the object 6.
  • the object 6 is now in the course of a further rotational step movement of the workpiece rotary table 3 about the rotation axis 2 successively moved to the workstation 12, 13 and 14, each of which are purely exemplary designed as printing stations to each with the help of printing devices 51, as exemplified in of the FIG. 2 are shown to be printed.
  • the object 6, which is designed as an example with a circular-cylindrical cross-section, rotates about the in-mold FIG. 1 shown rotational axis 5 performs and during the rotational movement by a in the FIG. 2 shown schematically Printhead 52, which is exemplarily an inkjet printhead, can be printed.
  • ink droplets are dispensed from the printhead 52, which is arranged by way of example at a distance of 1 mm to 5 mm from the outer surface of the object 6 and which is driven by a pressure control device 53 with electrical signals.
  • the discharge nozzles 52 of the print head 52 which are likewise not illustrated in detail and exit at an exit surface 54, are aligned in such a way that the ink droplets are emitted at least almost perpendicularly to the outer surface 25 of the object 6.
  • the work station 15 arranged downstream of the workstation 14 along the movement path 7 is designed as an example as an inspection device and makes it possible to determine a print quality of the printed image applied by the printing station 21 to the peripheral surface of the object 6.
  • the further workstation 16 is used for further processing of the cylindrical objects 6 by applying a protective lacquer to the printing at least on partial surfaces of the article 6, as described below in connection with FIGS FIGS. 3 to 6 will be described in more detail.
  • At the workstation 18 takes place an unloading process, in which the cylindrical objects 6 are withdrawn by means of a transport device 20 of the mandrel-like workpiece holders 4 and fed to a not shown further transport system.
  • the workpiece turntable 4 performs the stepwise processing of the cylindrical objects 6 at the respective workstations 8 to 18 a rotary step movement by the angle W, in which each paired workpiece holders 4 from one of the respective workstation 8 to 18 opposite position in one of each subsequent workstation 8 to 18 opposite position to be transported.
  • the rotational step movement takes place as a sequence an acceleration from standstill, a deceleration from the achieved target speed and a subsequent downtime.
  • a non-illustrated drive for the workpiece rotary table 3 is designed such that the acceleration and deceleration of the workpiece rotary table 3 are completely freely adjustable over a wide range and downtime and adapted to the requirements of processing the respective cylindrical objects 6 at the workstations 8 to 18 can be.
  • the in the FIGS. 3 to 6 Paint device 20 shown in more detail is for applying a paint, in particular a clearcoat, formed on the outer surface 25 of the Lackier Communicationss 6 and includes by way of example three each identically designed output devices 21, 22, 23, according to the illustration of FIG. 3 are arranged circular to the axis of rotation 5 of the receiving device 4. As from the representation of FIG. 4 can be removed, the output devices 21, 22, 23 along the axis of rotation 2 of the receiving device 4 are arranged at different positions. By way of example, it is assumed that the output devices 21, 22, 23 can be moved parallel to the axis of rotation 2 by means of adjusting means (not shown), as symbolized by the respective movement arrows.
  • the output devices 21, 22, 23 are each formed identically, the structure is in the FIG. 5 shown in more detail and will be described in more detail below.
  • Each of the output devices 21, 22, 23 has, by way of example, a number of outlet nozzles 26 on an output surface 24.
  • the outlet nozzles 26 are arranged along a straight line, in particular aligned parallel to the axis of rotation 5, in the same pitch, wherein positions of the outlet nozzles 26 in the FIG. 4 are shown schematically at the output device 22 by circles.
  • the output means 21, 22, 23 are provided for the provision of lacquer threads on the outer surface 25 of the article 6. For example, as shown in FIG.
  • a radial distance of the output devices 21, 22 and 23 to the object 6, an orientation of the output devices 21, 22 and 23 relative to the object 6 and a peripheral speed of the article 6 are adapted to flow properties of the paint to be processed such that one in the FIGS. 4 . 5 and 6 each schematically illustrated paint thread 27 is applied continuously to the outer surface 24 of the article 6.
  • a diameter and a flow speed of the lacquer thread 27 are chosen so that when striking the article 6 due to the flow properties of the lacquer a closed lacquer surface on the outer surface 24 of the article 6 can be achieved.
  • the exemplary closer, for reasons of clarity, greatly simplified output device 21 comprises a main body 28 which is made of a dimensionally stable material, for example of a metallic material.
  • a main body 28 which is made of a dimensionally stable material, for example of a metallic material.
  • outlet nozzles 26 are introduced, the nozzle axes 45 are aligned, for example, normal to the output surface 24.
  • the magnetic drives 32 are designed as magnetic coil drives having a circular-cylindrical shape and are completely accommodated in the main body 28.
  • Each of the magnetic drives 32 comprises a linearly mounted nozzle needle 33, which passes through the base body 28, starting from the magnetic drive 32 and which projects into a valve chamber 34.
  • the valve chamber 34 has a larger diameter than the nozzle needle 33, so that between the nozzle needle 33 and the valve body 34, an annular space 35 is formed.
  • a supply channel 36 which communicates in fluidic Connection with a supply terminal 37 is.
  • a paint delivery device 38 Connected to the supply connection 37 is a paint delivery device 38 which is designed by way of example as a paint pump and which in turn is coupled in fluidic communication with a storage container 39.
  • the paint delivery device 38 is electrically connected to a paint control device 31, which is designed to provide electrical energy to the paint delivery device 38 in order to effect a promotion of paint from the reservoir 39 to the outlet nozzles 26.
  • the magnetic actuators 32 are also electrically connected to the paint control device 31 and can be selectively controlled by the latter in order to selectively release or block a valve seat 40 provided at the transition between the valve body 34 and the outlet nozzle 26 with the aid of the respective nozzle needle 33.
  • a fluidly communicating connection between the reservoir 39 via the supply port 37 and the supply channel 36 and the annular space 35 can be blocked or released to exit nozzle 26.
  • FIG. 5 only one outlet nozzle 26 released from the associated nozzle needle 33, so that only there a paint thread 37 can be issued, which can be placed on the outer surface 24 of the oppositely arranged, rotated about the axis of rotation 5 item 6.
  • an optional air nozzle 41 in the direction of rotation which is a slot-shaped Air outlet 42 which extends with its greatest extent along the axis of rotation 2.
  • an air jet is emitted perpendicular to the outer surface 25 of the article 6 in order to overcome a surface tension of the coated on the outer surface 25 paint thread 27 so that it spreads as widely as possible on the outer surface 25 and thus an advantageous distribution of the paint is possible.
  • the painting control device 31 and the pressure control device 53 are electrically connected, in particular as bus users, and are controlled in a coordinated manner by a higher-level control device (not shown), in particular a programmable logic controller (PLC).
  • a higher-level control device not shown
  • PLC programmable logic controller

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  • Spray Control Apparatus (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP15165965.3A 2015-04-30 2015-04-30 Dispositif de laquage et procédé de laquage d'une surface extérieure d'un objet laqué Active EP3088090B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15165965.3A EP3088090B1 (fr) 2015-04-30 2015-04-30 Dispositif de laquage et procédé de laquage d'une surface extérieure d'un objet laqué
ES15165965T ES2760000T3 (es) 2015-04-30 2015-04-30 Equipo de lacado y método para lacar una superficie exterior de un objeto de lacado
PL15165965T PL3088090T3 (pl) 2015-04-30 2015-04-30 Urządzenie lakiernicze i sposób lakierowania powierzchni zewnętrznej obiektu lakierowanego
US15/142,633 US20160346806A1 (en) 2015-04-30 2016-04-29 Coating device and method for coating an outer surface of an item to be coated

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EP15165965.3A EP3088090B1 (fr) 2015-04-30 2015-04-30 Dispositif de laquage et procédé de laquage d'une surface extérieure d'un objet laqué

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CN106925482A (zh) * 2017-05-03 2017-07-07 宋伟 一种用于弧形木板自动刷漆的设备
CN109550653A (zh) * 2018-12-29 2019-04-02 杭州易正科技有限公司 一种应用于电子元件喷胶的治具
EP3539677A1 (fr) 2018-03-15 2019-09-18 HINTERKOPF GmbH Dispositif de revêtement et procédé de revêtement de corps creux cylindriques
CN111570136A (zh) * 2020-05-19 2020-08-25 盐城工学院 一种汽车出风口喷涂机构及其使用方法

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US10953425B2 (en) * 2018-04-25 2021-03-23 Palo Alto Research Center Incorporated Methods and systems for collecting droplets of strain hardening viscoelastic fluids in a spray
CN109013192B (zh) * 2018-08-27 2023-09-05 海南汉地阳光石油化工有限公司 一种可调节密封性的密封装置
CN115025922B (zh) * 2022-06-16 2024-02-23 重庆工程职业技术学院 一种自动化喷涂用工业机器人

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US5254164A (en) * 1992-06-15 1993-10-19 Nordson Corp. Coating system including indexing turret rotatable in the vertical and horizontal planes about a stationary shaft with loading and unloading of containers and closures from the edges of the turret
EP1155748A1 (fr) * 1998-12-28 2001-11-21 Musashi Engineering, Inc. Procede et dispositif d'injection d'une quantite fixe de liquide
WO2002020174A1 (fr) * 2000-09-08 2002-03-14 Surmodics, Inc. Appareil et dispositif pour le depot d'un revetement
EP1262244A2 (fr) * 2001-06-01 2002-12-04 Halla Climate Control Corp. Buse de revêtement ainsi que procédé et dispositif de revêtement d'un piston de compresseur utilisant ladite buse
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CN106925482A (zh) * 2017-05-03 2017-07-07 宋伟 一种用于弧形木板自动刷漆的设备
EP3539677A1 (fr) 2018-03-15 2019-09-18 HINTERKOPF GmbH Dispositif de revêtement et procédé de revêtement de corps creux cylindriques
CN110270465A (zh) * 2018-03-15 2019-09-24 海因特科普夫有限公司 涂层装置和用于对圆柱形的空心体涂层的方法
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CN111570136A (zh) * 2020-05-19 2020-08-25 盐城工学院 一种汽车出风口喷涂机构及其使用方法

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US20160346806A1 (en) 2016-12-01
EP3088090B1 (fr) 2019-09-04
PL3088090T3 (pl) 2020-04-30
ES2760000T3 (es) 2020-05-12

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