EP3554713B1 - Tête d'impression avec méchanisme de décalage et/ou de rotation pour au moins une rangée de buses - Google Patents

Tête d'impression avec méchanisme de décalage et/ou de rotation pour au moins une rangée de buses Download PDF

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Publication number
EP3554713B1
EP3554713B1 EP17809258.1A EP17809258A EP3554713B1 EP 3554713 B1 EP3554713 B1 EP 3554713B1 EP 17809258 A EP17809258 A EP 17809258A EP 3554713 B1 EP3554713 B1 EP 3554713B1
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EP
European Patent Office
Prior art keywords
nozzle row
nozzles
application
print head
nozzle
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.)
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Application number
EP17809258.1A
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German (de)
English (en)
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EP3554713A1 (fr
Inventor
Hans-Georg Fritz
Benjamin WÖHR
Marcus Kleiner
Moritz BUBEK
Timo Beyl
Frank Herre
Steffen Sotzny
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Duerr Systems AG
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Duerr Systems AG
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Publication date
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Publication of EP3554713A1 publication Critical patent/EP3554713A1/fr
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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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/001—Mechanisms for bodily moving print heads or carriages parallel to the paper surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/001—Mechanisms for bodily moving print heads or carriages parallel to the paper surface
    • B41J25/003—Mechanisms for bodily moving print heads or carriages parallel to the paper surface for changing the angle between a print element array axis and the printing line, e.g. for dot density changes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
    • B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads

Definitions

  • the invention relates to an application device for applying an application agent to a component, preferably for applying a paint to a motor vehicle body component, with at least two rows of nozzles, the at least two rows of nozzles each having a plurality of nozzles for outputting application agent jets (e.g. contiguous application agent jets and / or several Drop jets comprising drops).
  • application agent jets e.g. contiguous application agent jets and / or several Drop jets comprising drops.
  • rotary atomizers are usually used as the application device, but they have the disadvantage of a limited application efficiency, so that only part of the applied paint is deposited on the components to be coated, while the rest of the applied paint has to be disposed of as so-called overspray.
  • the US 9,108,424 B2 discloses a drop-on-demand valve jet printer with several valve openings (nozzles), the operating principle of which is based on the use of electric valves.
  • a magnetic piston is guided in a coil and lifted into the coil by the supply of current. This releases the valve openings so that ink is dispensed can be.
  • the disadvantage of this is that such drop-on-demand valve jet printers are not suitable for covering the entire area.
  • the high-quality components used in automated series painting, e.g. B. motor vehicle bodies the required area performance can usually not be achieved by drop-on-demand printing techniques.
  • the term printhead can also be replaced by the term nozzle applicator.
  • a major problem is that the individual nozzles in a row of nozzles cannot be manufactured mechanically as closely as desired, especially when individual valves are installed, such as. B. common with drop-on-demand valve-jet printers, because required distances between nozzles, coils, actuating levers, anchors, etc. lead to a minimum distance between the individual nozzles.
  • the minimum distances can be so large that a row of nozzles alone does not lead to a closed film of coating agent.
  • One measure to increase the area performance initially appears to be that several print heads are arranged one behind the other and offset from one another in the longitudinal direction of the rows of nozzles.
  • Figure 18 shows that the spacing of the nozzles in the rows of nozzles of the individual print heads can be reduced by using several print heads.
  • One object of the invention is, in particular, to create an application device for the preferably serial application of an application agent to a component by means of at least two rows of nozzles which, despite the rows of nozzles being rotated by an application robot, have a sufficiently homogeneous Application agent film on the component and / or enables a sufficiently high surface coating performance.
  • the invention relates to an application device for applying an application agent to a motor vehicle body component.
  • the application device comprises at least one print head for preferably serial application of the application agent and for mounting on an application robot which has at least five movable robot axes including a hand axis.
  • the at least one print head can e.g. B. comprise a first print head and at least one further print head.
  • the application device comprises at least two rows of nozzles which can be moved and rotated by the application robot.
  • the at least two rows of nozzles comprise a first row of nozzles with several nozzles for outputting application agent jets (e.g. contiguous application agent jets and / or drop jets comprising droplets) and at least one further nozzle row with several nozzles for outputting application agent jets (e.g. contiguous application agent jets and / or or streams of drops encompassing drops).
  • the application device can thus in particular have at least two, at least three, at least four or even at least five rows of nozzles.
  • the application device is characterized in particular by the fact that at least one row of nozzles of the at least two rows of nozzles is movable relative to the at least one further row of nozzles in addition to the rotation by the application robot in order to adjust the position of the nozzles of the first row of nozzles and the nozzles of the at least one further row of nozzles to thereby achieve a to correct twisting of the at least two rows of nozzles caused by the application robot.
  • the first row of nozzles and / or the at least one further row of nozzles is therefore movable.
  • the application device can consequently comprise at least one, at least two, at least three or even at least five movable rows of nozzles for position adjustment.
  • the position adjustment serves to correct a rotation of the at least two rows of nozzles caused by the application robot, in particular its hand axis.
  • the rotation of the at least two rows of nozzles takes place, for. B. about an axis of rotation perpendicular to the component.
  • the invention creates an expedient technical / mechanical solution by means of which it can be ensured that several rows of nozzles can be used and the several rows of nozzles can in particular be rotated jointly by an application robot, with an incorrect position resulting from the rotation being correctable by the position adjustment in the context of the invention is.
  • the application device comprises in particular embodiments in which a position adjustment of individual rows of nozzles (e.g. on a print head) and / or individual print heads to one another are made possible in order to correct the position of the at least two rows of nozzles in such a way that an essentially homogeneous application image is also preferably all nozzle distances, jet distances and / or Traces of drops can be preserved evenly.
  • a position adjustment of individual rows of nozzles e.g. on a print head
  • individual print heads to one another are made possible in order to correct the position of the at least two rows of nozzles in such a way that an essentially homogeneous application image is also preferably all nozzle distances, jet distances and / or Traces of drops can be preserved evenly.
  • Essentially all the beam spacings can become narrower or wider as a result of the twisting caused by the application robot, but all the spacings preferably remain spaced apart essentially evenly as a result of the position adjustment (correction) of the nozzle rows
  • the application robot-induced rotation of the at least two rows of nozzles is preferably carried out around an axis of rotation which is arranged essentially centrally relative to the at least two rows of nozzles and / or is oriented essentially parallel to the application agent jets of the at least two rows of nozzles.
  • a rotation about the Z-axis (or another axis) is included with horizontal painting.
  • the at least one print head corresponds to an applicator for preferably serial application of the application agent and for mounting on an application robot.
  • applicator as used herein can include one or more printheads.
  • the at least one movable row of nozzles prefferably be movable in order to correct a rotation of the at least two rows of nozzles that can be generated by the application robot so that the nozzle spacing between the nozzles, and thus expediently the application agent jets, the first row of nozzles and the nozzles, and thus expediently, the application agent jets, of the at least one further row of nozzles, are substantially evenly spaced from one another.
  • the expediently variable nozzle distances between the nozzles, and thus expediently the application agent jets, the first nozzle row, and the nozzles, and thus expediently the application agent jets the at least one further row of nozzles become larger or smaller, but are essentially evenly spaced from one another by adjusting the position.
  • the position adjustment preferably enables a relative movement between the at least two rows of nozzles, e.g. B. in contrast to the in Figure 19 shown variant, in which the nozzle rows are all rotated around a single central axis without a relative movement function.
  • the rotation of the at least two rows of nozzles that can be generated by the application robot can e.g. B. take place around a common axis of rotation and preferably through a hand axis of the application robot.
  • the position adjustment can preferably be essentially uniform nozzle spacings between the nozzles of the first row of nozzles and the nozzles of the at least one further row of nozzles.
  • the position adjustment enable a homogeneity maintenance of the application agent film on the component, which can be generated by the application agent, which is sufficient, in particular for motor vehicle painting.
  • the nozzle distances correspond to z. B. nozzle spacings perpendicular to the preferably translational direction of movement of the at least one print head.
  • the rotation of the at least two rows of nozzles is preferably carried out by an axis of the hand axis of the application robot.
  • the device for adjusting the position of the at least two rows of nozzles is supported at a point on the axis of rotation or the hand axis that is not influenced by the rotary movement.
  • the at least one movable row of nozzles prefferably be rotatable and to have an axis of rotation.
  • the axis of rotation can, for. B. be positioned essentially centrally to the at least one movable row of nozzles, in particular in the longitudinal and / or transverse direction, or off-center to be positioned at least one movable row of nozzles, in particular in their longitudinal and / or transverse direction.
  • the axis of rotation z. B. is positioned on the longitudinal axis of the movable row of nozzles and / or outside or inside the at least one movable row of nozzles.
  • the individual axes of rotation can, for. B. evenly spaced from each other and / or arranged in a preferably linear row.
  • the at least one movable row of nozzles can preferably be longitudinally displaceable along its longitudinal extension, namely as an alternative or in addition to a rotatability function.
  • the application device prefferably includes a displacement and / or rotating mechanism for the practical direct or indirect movement of the at least one movable row of nozzles.
  • the first row of nozzles and / or the at least one further row of nozzles can be movable in order to adjust the position of the nozzles of the first row of nozzles and the nozzles of the at least one further row of nozzles.
  • the application device for position adjustment comprises at least one motor, preferably an electric motor, for advantageously direct or indirect movement of the at least one movable row of nozzles.
  • the at least one motor can, for. B. comprise a sliding / linear motor, rotary motor and / or servomotor.
  • one and the same motor is used for the practical direct or indirect joint movement of the first row of nozzles and the at least one further row of nozzles, so that the first row of nozzles and the at least one further row of nozzles are movable for position adjustment.
  • One motor can be used to move at least two nozzle ranges.
  • a first motor is used to move the first row of nozzles and at least one further motor is used to move the at least one further row of nozzles, so that the first row of nozzles and the at least one further row of nozzles are movable for position adjustment.
  • individual motors can be used to move at least two rows of nozzles.
  • the position adjustment the first row of nozzles and the at least one further row of nozzles can be connected to one another via at least one connection, preferably a master-slave connection and / or a mechanical coupling connection.
  • at least one connection preferably a master-slave connection and / or a mechanical coupling connection.
  • a synchronization of the movements of the first row of nozzles and the at least one further row of nozzles can be effected.
  • a movement of the first row of nozzles can cause a corresponding movement of the at least one further row of nozzles or vice versa.
  • the first row of nozzles and the at least one further row of nozzles can also be activated individually for position adjustment.
  • the application device can have at least one of the following for position adjustment: at least one parallelogram mechanism (e.g. connection of the print heads and / or rows of nozzles with supported webs and the resulting displacement), at least one contour curve, at least one cam, at least one gear mechanism, preferably with axes, and / or at least one involute toothing (e.g. involute gear).
  • at least one parallelogram mechanism e.g. connection of the print heads and / or rows of nozzles with supported webs and the resulting displacement
  • at least one contour curve e.g. connection of the print heads and / or rows of nozzles with supported webs and the resulting displacement
  • at least one cam e.g. connection of the print heads and / or rows of nozzles with supported webs and the resulting displacement
  • at least one contour curve e.g. connection of the print heads and / or rows of nozzles with supported webs and the resulting displacement
  • at least one cam e.g. connection of the print heads and
  • the application device can comprise at least one control device for calculating adjustment values for the position adjustment and preferably serve to control the movements of the at least one movable row of nozzles and / or to control the application robot.
  • the motor of the handling device (robot) transfers the position data to software, which uses it to generate the correction commands for the correction motor (s).
  • the at least one movable row of nozzles prefferably attached to a printhead as disclosed herein.
  • the at least one movable row of nozzles can be used for position adjustment z. B. be movable relative to their print head.
  • the at least one movable row of nozzles can also be used for position adjustment. B. be movable together with your print head, so that preferably the at least one movable row of nozzles is arranged stationary relative to your print head and / or the movement of the at least one movable row of nozzles is caused by a movement of your print head.
  • At least one movable row of nozzles relative to the printhead on which it is mounted can be movable for position adjustment.
  • at least one movable row of nozzles can also be movable together with the print head on which it is mounted for position adjustment.
  • the first row of nozzles and the at least one further row of nozzles can, for. B. arranged on one and the same print head and and be movable relative to their print head.
  • the application device can have a first print head as disclosed herein and at least one further print head as disclosed herein.
  • the first print head can preferably comprise the first row of nozzles and the at least one further print head can comprise the at least one further row of nozzles.
  • first row of nozzles can be movable relative to the first print head.
  • first row of nozzles can be moved together with the first print head, so that, for. B. the first row of nozzles is arranged stationary relative to the first print head and / or the movement of the first row of nozzles is caused by a movement of the first print head.
  • the at least one further row of nozzles can be arranged movably relative to the at least one further print head.
  • the at least one further row of nozzles can be moved together with the at least one further print head so that, for. B. the at least one further row of nozzles is arranged stationary relative to the at least one further print head and / or the movement of the at least one further row of nozzles is caused by a movement of the at least one further print head.
  • the first print head and / or the at least one further print head can have at least one row of nozzles, but preferably at least two z.
  • the first print head and the at least one further print head can e.g. B. be held by a holding device and in particular form a multiple print head unit.
  • the first print head and the at least one further print head are used in particular for mounting on one and the same application robot.
  • the mounting device can for position adjustment at least one z. B. enable translational and / or rotational degrees of freedom of movement for the first print head and / or for the at least one further print head.
  • first row of nozzles and the at least one further row of nozzles are arranged offset to one another in their longitudinal direction and / or the nozzles of the first row of nozzles and the nozzles of the at least one further row of nozzles do not overlap one another.
  • the first row of nozzles and the at least one further row of nozzles can, for. B. be arranged offset one behind the other essentially orthogonally to the longitudinal direction thereof and / or essentially orthogonally to the expedient translational direction of movement of the at least one print head.
  • first row of nozzles and the at least one further row of nozzles to remain aligned essentially parallel to one another despite position adjustment, that is to say in particular to be aligned parallel to one another before and after a position adjustment.
  • first row of nozzles is arranged in a first nozzle plate and the at least one further row of nozzles is arranged in a separate second nozzle plate, preferably spaced from the nozzle plate of the first row of nozzles.
  • individual valves are provided to control the application agent delivery from the individual nozzles of the first row of nozzles and / or the individual nozzles of the at least one further row of nozzles, the individual valves each having a movable valve element (e.g. armature or valve needle) to to close the respective nozzle in a closed position and to release it in an open position, and each having a preferably electromechanical drive, preferably a coil reset element drive, for moving the valve element.
  • the individual valves are expediently arranged in the at least one print head.
  • the valve drives preferably work electromechanically (e.g. electromagnetic or piezoelectric).
  • the valve drives each preferably include an electrical coil or a piezo actuator for actuating the valve element.
  • valve drives each include a preferably elastic return element for actuating the valve element.
  • the application agent jets of the first row of nozzles and / or of the at least one further row of nozzles can be contiguous application agent jets and / or (several e.g. Essentially round or elongated drops comprising) drop jets.
  • the coil and the restoring element ensure that the valve element is moved back and forth between the open position and the closed position.
  • the jet of droplets is expediently between the at least one nozzle and the component.
  • z. B. hold the coil or the piezo actuator the valve element permanently in the open position.
  • the restoring element can, for. B. move the valve element in the rest phase into the closed position, the valve element being expediently permanently held in the open position during the application of the application agent.
  • the coherent application medium jet is expediently between the at least one nozzle and the component.
  • the application agent can, for. B. viscous, highly viscous or pseudoplastic, preferably with a viscosity of over 15mPas, over 30mPas, over 60mPas, over 100mPas or over 130mPas and / or preferably with a viscosity of less than 400mPas or less than 200mPas or less than 150mPas (measured at a shear rate of 1000s -1 ) and / or a varnish.
  • viscous, highly viscous or pseudoplastic preferably with a viscosity of over 15mPas, over 30mPas, over 60mPas, over 100mPas or over 130mPas and / or preferably with a viscosity of less than 400mPas or less than 200mPas or less than 150mPas (measured at a shear rate of 1000s -1 ) and / or a varnish.
  • the at least one print head can expediently comprise the first print head and / or the at least one further print head.
  • the first row of nozzles and / or the at least one further row of nozzles can comprise a large number of nozzles (e.g. over 5, over 10 or even over 15 nozzles and optionally a corresponding number of associated individual valves).
  • the term of the at least one "print head" used in the context of the invention is to be understood in general terms and only serves in particular to differentiate between atomizers (e.g. rotary atomizers, disc atomizers, airless atomizers, airmix atomizers and / or ultrasonic atomizers), which generate a spray of the application agent to be applied.
  • the print head according to the invention preferably generates at least one, in particular a large number of spatially narrowly limited application medium jets.
  • the at least two rows of nozzles are preferably used to apply a paint (e.g. basecoat, clearcoat, water-based paint and / or solvent-based paint).
  • a paint e.g. basecoat, clearcoat, water-based paint and / or solvent-based paint
  • they can also be designed for the application of other application means, in particular coating means, such as for example for the application of sealant, insulating material, adhesive, primer, etc., to name just a few examples.
  • the application distance between the nozzles and the component surface is preferably at least 4 mm, 10 mm, 20 mm or 40 mm and / or at most 200 mm or 100 mm.
  • the invention also includes an application robot, preferably a coating or painting robot, with at least one application device as disclosed herein.
  • an application robot preferably a coating or painting robot, with at least one application device as disclosed herein.
  • the application robot is useful for guiding one or more print heads and thus the at least two rows of nozzles and can, for. B. have at least five or at least six movable robot axes.
  • the invention also comprises an application method, preferably carried out by an application device as disclosed herein.
  • the disclosure relating to the application device therefore applies accordingly to the application method and is likewise claimed accordingly.
  • the application method is used to apply an application agent to a component, preferably to apply a paint to a motor vehicle body component, with at least one print head preferably applying the application agent in series and mounting it on an application robot, and at least two rows of nozzles by the application robot are moved, wherein the at least two rows of nozzles comprise a first row of nozzles with several nozzles for outputting application agent jets and at least one further nozzle row with several nozzles for outputting application agent jets.
  • the application method is primarily characterized in that at least one row of nozzles of the at least two rows of nozzles is moved to adjust the position of the nozzles of the first row of nozzles and the nozzles of the at least one further row of nozzles.
  • Figure 1 shows a schematic view of three rows of nozzles 1, 2 and 3 for an application device V according to an embodiment of the invention, wherein Figure 2 shows an associated schematic view of the three rows of nozzles 1, 2, 3 in a rotated position for position adjustment.
  • the application device V is described below with common reference to Figures 1 and 2 described.
  • the application device V is used to apply an application agent to a component, preferably to apply a paint to a motor vehicle body component.
  • the application device V comprises a print head 100 for the serial and atomization-free and thus in particular essentially overspray-free application of the application agent.
  • the print head 100 is used for mounting on an application robot.
  • the print head 100 comprises three rows of nozzles 1, 2, 3, which can be moved by the application robot.
  • a first row of nozzles 1 is incorporated into a first nozzle plate P1 and comprises five nozzles 1.1 for the output of application medium jets S1.
  • a second row of nozzles 2 is incorporated into a second nozzle plate P2 and comprises five nozzles 2.1 for the output of application medium jets S2.
  • a third row of nozzles 3 is incorporated into a third nozzle plate P3 and comprises five nozzles 3.1 for outputting jets of application medium S3.
  • Reference symbol M denotes the expedient translatory direction of movement of the print head 100 and thus the rows of nozzles 1, 2, 3.
  • the three rows of nozzles 1, 2, 3 are attached to one and the same pressure head 100.
  • the print head 100 and thus the rows of nozzles 1, 2, 3 z. B. component geometry-dependent must be rotated about a common axis of rotation, which is in the Figures 1 and 2 is indicated by the rotary arrow X.
  • the rotation X usually takes place through a hand axis of the application robot and preferably around a rotation axis essentially perpendicular to the component, supported on the robot.
  • the “geometry” can also be generated by switching it on or off. Only then are “paragraphs” in the size of the nozzle spacing visible in the paint. If that's not acceptable or good enough for the optical solution for the painted part, then the only solution is twisting.
  • a rotation X of the print head 100 together with the nozzle rows 1, 2, 3, without the position adjustment explained later, would result in a nozzle row positioning similar to e.g. B. in Figure 19 shown on the right, which in turn leads to an inhomogeneous paint film similar to e.g. B. in Figure 20 shown below would result.
  • An inhomogeneous paint finish is unacceptable, especially in the field of motor vehicle painting.
  • the at least three rows of nozzles 1, 2, 3 are therefore movable in order to enable the nozzles 1.1 of the first row of nozzles 1, the nozzles 2.1 of the second row of nozzles 2 and the nozzles 3.1 of the third row of nozzles 3 to be adjusted.
  • the position adjustment allows, in contrast to the z. B. in Figure 19 embodiment shown, in particular a relative movement between the three rows of nozzles 1, 2, 3.
  • the mobility function of the three rows of nozzles 1, 2, 3 enables a rotation X of the three rows of nozzles 1, 2, 3 generated by the application robot to be corrected so that the variable nozzle spacings S between the nozzles 1.1 of the first nozzle row 1, the nozzles 2.1 the second row of nozzles 2 and the nozzles 3.1 of the third row of nozzles 3 are evenly spaced from one another.
  • the nozzle spacings S correspond to the nozzle spacings perpendicular to the translational direction of movement M of the print head 100.
  • the position adjustment enables uniform nozzle spacings S between the nozzles 1.1 of the first row of nozzles 1, the nozzles 2.1 of the second row of nozzles 2 and the nozzles 3.1 of the third row of nozzles 3.
  • the position adjustment enables the homogeneity of the application agent film produced by the application agent on the component to be maintained.
  • the three nozzle plates P1, P2, P3 together with the associated nozzle rows 1, 2, 3 can be rotated for position adjustment.
  • the first row of nozzles 1 can thus be rotated about a first axis of rotation D1 arranged in the center of the first row of nozzles 1.
  • the second row of nozzles 2 can be rotated about a second axis of rotation D2 arranged in the center of the second row of nozzles 2.
  • the third row of nozzles 3 can be rotated about a third axis of rotation D3 arranged in the center of the third row of nozzles 3.
  • the three axes of rotation D1, D2, D3 are evenly spaced from one another and are arranged in a row.
  • the three rows of nozzles 1, 2, 3 are connected to one another for position adjustment and / or as a guide mechanism via a parallelogram mechanism, which also ensures a synchronized and thus even movement of the nozzle plates P1, P2, P3 and thus the nozzle rows 1, 2, 3 cares.
  • a control for example a robot control software, could calculate the paint impingement points on the surface depending on the angle of rotation and correct them accordingly so that the existing Web data are recalculated accordingly, ie a correction of the shift of the paint impingement points and a correction of the webs, since the web width changes. This leads to more or less paths that can be automatically corrected or even generated. This applies to any type of twist. Even with just one row of nozzles.
  • the three rows of nozzles 1, 2, 3 can be attached to one and the same printhead 100.
  • another embodiment is also possible, which is represented by the Figures 1 and 2 is shown in brackets reference numerals.
  • the first row of nozzles 1 can be attached to a first pressure head 100.
  • the second row of nozzles 2 can be attached to a second print head 101.
  • the third row of nozzles 3 can be attached to a third print head 102.
  • the respective row of nozzles 1, 2, 3 is movable relative to its pressure head 100, 101, 102.
  • the respective row of nozzles 1, 2, 3 is movable together with its print head 100, 101, 102, so that the respective row of nozzles 1, 2, 3 is arranged stationary relative to its print head 100, 101, 102 and the movement of the respective row of nozzles 1, 2, 3 is caused by a movement of its print head 100, 101, 102.
  • At least one row of nozzles can be movable relative to its printhead and / or at least one row of nozzles can be movable together with its printhead.
  • Figure 3 shows a schematic view to illustrate the principle of operation of an application device V according to an embodiment of the invention.
  • the individual rows of nozzles 1, 2, 3 can be movable relative to their print head 100, 101, 102 or else can be moved together with their print head 100, 101, 102, which is shown in FIG Figure 3 should be clarified again by reference symbols without and with brackets.
  • a special feature of the in Figure 3 The embodiment shown is that the position adjustment is not carried out by rotating rows of nozzles, but by the first row of nozzles 1 / print head 100 and the third row of nozzles 3 / print head 102 being longitudinally displaceable, which is shown in FIG Figure 3 indicated above by the two double arrows.
  • the second row of nozzles 2 / pressure head 101 can, but does not have to, have a mobility function for position adjustment.
  • Figure 3 shows that a uniform, homogeneous paint film is possible despite the twisting X.
  • Figure 4 shows a schematic view of four rotatable rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention.
  • the first row of nozzles 1 comprises thirteen nozzles 1.1 for the output of thirteen application agent jets S1.
  • the second row of nozzles 2 comprises thirteen nozzles 2.1 for the output of thirteen application agent jets S2.
  • the third row of nozzles 3 comprises thirteen nozzles 3.1 for the output of thirteen application medium jets S3.
  • the fourth row of nozzles 4 comprises thirteen nozzles 4.1 for the output of thirteen application agent jets S4.
  • nozzle plates P1, P2, P3 and P4 are identical in construction, but are arranged offset in the longitudinal direction in the orientation shown. So there are individual offsets Z, Y, X for each nozzle plate P1, P2, P3, P4.
  • S indicates the nozzle spacing between the nozzles 1.1, the nozzles 2.1, the nozzles 3.1 and the nozzles 4.1.
  • Figure 5 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention.
  • the four rows of nozzles 1, 2, 3, 4 are connected by means of the associated nozzle plates P1, P2, P3, P4 via a (in Figure 5 upper and lower) mechanical coupling connection connected to one another, so that a movement of one of the rows of nozzles 1, 2, 3, 4 causes a corresponding movement of the other rows of nozzles 1, 2, 3, 4 or vice versa, whereby z. B. a master-slave connection between the nozzle rows 1, 2, 3, 4 can be made possible.
  • the coupling connection also advantageously leads to synchronization of the individual movements of the rows of nozzles 1, 2, 3, 4.
  • the individual rows of nozzles 1, 2, 3, 4 can also be driven separately by individual drives for position adjustment.
  • the coupling connection can ensure a uniform, synchronized movement of the rows of nozzles 1, 2, 3, 4.
  • Figure 6 shows a schematic view of four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention.
  • nozzle plates P1, P2, P3, P4 are not structurally identical, but the nozzle rows 1, 2, 3, 4 have an offset XYZ for each nozzle row 1, 2, 3, 4.
  • Figure 7 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention, but in a comparison to FIG Figures 4 to 6 twisted, position-adjusted position.
  • the distances between the points of impact of the application means and the web width become smaller, but the distances become the same over the entire web width. In particular, this results in an even layer thickness distribution and an optimal painting result.
  • D indicates the nozzle spacing between the nozzles 1.1, the nozzles 2.1, the nozzles 3.1 and the nozzles 4.1.
  • FIG. 4 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention, but in a comparison to FIG Figures 7 more twisted, position-adapted position.
  • FIG. 4 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention, but in a comparison to FIG Figure 8 more twisted, position-adapted position.
  • Figure 10 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention.
  • the first row of nozzles 1 is rotatable about an eccentric first axis of rotation D1, which is arranged on the longitudinal axis of the first row of nozzles 1.
  • the second row of nozzles 2 can be rotated about an eccentric second axis of rotation D2, which is arranged on the longitudinal axis of the second row of nozzles 2.
  • the third row of nozzles 3 can be rotated about an eccentric third axis of rotation D3, which is arranged on the longitudinal axis of the third row of nozzles 3.
  • the fourth row of nozzles 4 can be rotated about an eccentric fourth axis of rotation D4, which is arranged on the longitudinal axis of the fourth row of nozzles 4.
  • the axes of rotation D1, D2, D3, D4 are arranged in a row.
  • the axes of rotation D1, D2, D3, D4 are on a line. This line can point parallel to the painting direction.
  • Figure 11 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 in a position-adjusted position for an application device V according to an embodiment of the invention.
  • Figure 12 shows a schematic view of again four rows of nozzles 1, 2, 3, 4 in four nozzle plates P1, P2, P3, P4 for an application device V according to an embodiment of the invention.
  • the nozzle plates 1, 2, 3, 4 are identical in construction, but are arranged offset from one another in their longitudinal direction, so that individual There are uneven offsets XYZ per nozzle plate 1, 2, 3, 4.
  • axes of rotation D1, D2, D3, D4 are each arranged eccentrically to the respective row of nozzles 1, 2, 3, 4, but nevertheless on the longitudinal axis of the respective row of nozzles 1, 2, 3, 4 and in series with one another.
  • Figure 13 shows a schematic view of a mechanism for coupling, guiding and driving of rows of nozzles 1 and 2 (alternatively separate print heads 100, 101) for an application device V according to an embodiment of the invention, wherein Figure 14 shows the nozzle rows 1 and 2 in position-adjusted position.
  • the Figures 13 and 14 show in particular that a contour cam and / or cam disk mechanism can be used to adjust the position.
  • Figure 15 shows a schematic view of a mechanism for coupling, guiding and driving of rows of nozzles 1 and 2 (alternatively separate print heads 100, 101) for an application device V according to another embodiment of the invention, wherein Figure 16 shows the nozzle rows 1 and 2 in position-adjusted position.
  • a rotary servomotor M can be used to move nozzle rows 1 and 2 for position adjustment.
  • Figure 17 illustrates the problem of a non-homogeneous or even non-closed paint film.
  • Figure 18 illustrates one possible solution for the in Figure 17 explained problem, namely the use of several in a row arranged print heads.
  • Figure 19 left shows rows of nozzles in an untwisted position.
  • Figure 19 right shows the rows of nozzles after a rotation X about a common rotation axis by an application robot.
  • Figure 19 on the right shows in particular the uneven nozzle spacing between the nozzles of the nozzle rows, which lead to an unacceptable, in particular inhomogeneous paint film.
  • Figure 20 illustrates the problem that, despite several print heads arranged one behind the other, a twist X of the print heads leads to a non-homogeneous or even non-closed paint film.
  • FIG 21 shows two application robots R, each with an application device V as disclosed herein, only the left application robot R being provided with reference symbols.
  • the application robot R preferably comprises at least five or at least six movable robot axes and is used to guide one or more print heads 100 and thus in particular also to guide at least two rows of nozzles 1, 2, as disclosed herein.
  • the at least one print head 100 is used for serial, atomization-free application of the application agent to a component T in the form of a motor vehicle body.
  • the at least one print head 100 is rotated X by the hand axis of the application robot with a support on the robot mechanics.
  • Figure 22 shows a principle / detailed view of a part of the print head 100.
  • Figure 22 shows a nozzle plate P1 and a nozzle 1.1 in the nozzle plate P1.
  • a preferably magnetic valve element 20 e.g. armature or valve needle
  • An electromechanical drive (expediently valve drive) 21 is used to move the valve element 20.
  • the print head 100 has a plurality of such nozzles 1.1, each with an associated valve element 20 and an associated drive 21.
  • the drive 21 comprises an electrical coil 22 for actuating the valve element 20 as a function of the energization of the coil 22, in particular for actuating the valve element 20 in the open position.
  • the drive 21 further comprises an elastic return element 23, for. B. a coil spring for actuating the valve element 20 in the closed position.
  • the application agent to be applied is fed to the nozzles 1.1 via an application agent feed 24 in the print head 100.
  • the application agent supply 24 is (in Figure 22 below) through the nozzle plate P1 and (in Figure 22 above) limited by another plate 25, wherein the nozzle plate 1 and the plate 25 can be separate components or part of a z.
  • the plate 25 has an opening coaxially to the nozzle 1.1, onto which a coil tube 26 is placed coaxially, the coil tube 26 being wound with the coil 22.
  • the coil tube 26 there is a magnetic coil core 27 which is attached to the in Figure 3 upper end of the coil tube 26 can be sealed by a seal 28 with respect to the coil tube 26.
  • the coil tube 26 contains sections of the valve element 20, which can be displaced in the direction of the double arrow, the movement of the valve element 20, as already mentioned, being dependent on the energization of the coil 22.
  • Figure 22 shows the valve element 20 here in a closed position in order to close the nozzle 1.1.
  • the coil 22 is energized so that the valve element 20 in Figure 22 is pulled up to release the nozzle 1.1.
  • the return spring 23 presses the valve element 20 into the closed position when the coil 22 is de-energized.
  • the coil 22 can hold the valve element 20 permanently in the open position in order to generate a coherent application medium jet.
  • the restoring element 10 is expediently used to move the valve element 20 into the closed position in rest phases.
  • the coil 22 and the restoring element 23 can ensure that the valve element 20 is moved back and forth between the open position and the closed position at a high frequency, in order to generate a jet of several drops.
  • the points of impact of the application medium jets resulting during the application process which in the context of the invention are considered to be coherent
  • Application agent jets and / or droplet jets comprising drops can be realized, preferably having the same center-to-center distance from one another, so that a homogeneous application agent film can arise when the application agent runs (spreading out) on the component.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating Apparatus (AREA)
  • Spray Control Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manipulator (AREA)

Claims (26)

  1. Dispositif d'application (V) pour l'application d'un produit d'application, de préférence d'une peinture, sur un composant de carrosserie de véhicule (T), comprenant :
    - au moins une tête d'impression (100, 101) pour l'application, de préférence en série, du produit d'application et destinée à être montée sur un robot d'application (R), qui comprend au moins cinq axes de robot mobiles, y compris un axe manuel, et
    - au moins deux rangées de buses (1, 2) qui peuvent être mises en mouvement, y compris en rotation, par le robot d'application (R), dans lequel les au moins deux rangées de buses (1, 2) comprennent une première rangée de buses (1) avec plusieurs buses (1.1) pour l'émission de jets de produit d'application (S1) et au moins une autre rangée de buses (2) avec plusieurs buses (2.1) pour l'émission de jets de produit d'application (S2),
    caractérisé en ce que
    - au moins une rangée de buses (1, 2) des au moins deux rangées de buses (1, 2), en plus de la mise en rotation par le robot d'application (R), est mobile par rapport à l'au moins une autre rangée de buses (2) pour l'ajustement de la position des buses (1.1) de la première rangée de buses (1) et des buses (2.1) de l'au moins une autre rangée de buses (2), afin de corriger ainsi une rotation des au moins deux rangées de buses provoquée par le robot d'application (R).
  2. Dispositif d'application (V) selon la revendication 1, caractérisé en ce que
    - l'au moins une rangée de buses mobile (1, 2) est mobile afin de corriger une rotation (X), pouvant être générée par le robot d'application (R), des au moins deux rangées de buses (1, 2) de façon à ce que les distances de buses (S, D) entre les buses (1.1) de la première rangée de buses (1) et les buses (2.1) de l'au moins une autre rangée de buses (2) soient uniformément distantes entre elles et/ou
    - grâce à une rotation (X), pouvant être générée par le robot d'application (R), des au moins deux rangées de buses (1, 2), les distances de buses (S, D) entre les buses (1.1) de la première rangée de buses (1) et les buses (2.1) de l'au moins une autre rangée de buses (2) peuvent devenir plus grandes ou plus petites, mais elles sont uniformément distantes entre elles grâce à l'ajustement de position et/ou
    - l'ajustement de position permet un mouvement relatif entre les au moins deux rangées de buses (1, 2) et/ou
    - la rotation (X) des au moins deux rangées de buses (1, 2) a lieu autour d'un axe de rotation commun et de préférence grâce à un axe manuel du robot d'application (R) et/ou
    - malgré une rotation (X), pouvant être générée par le robot d'application (R), des au moins deux rangées de buses (1, 2), l'ajustement de position permet des distances de buses (S, D) régulières entre les buses (1.1) de la première rangée de buses (1) et les buses (2.1) de l'au moins une autre rangée de buses (2) et/ou
    - malgré une rotation (X), pouvant être générée par le robot d'application (R), des au moins deux rangées de buses (1, 2), l'ajustement de position permet un maintien de l'homogénéité du film de produit d'application pouvant être généré par le produit d'application sur le composant (T).
  3. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une rangée de buses mobile (1, 2) est rotative et comprend un axe de rotation (D1, D2) qui
    - est positionné de manière centrale ou excentrée par rapport à l'au moins une rangée de buses mobile (1, 2), dans lequel, plus particulièrement
    a) l'axe de rotation (D1, D2)
    a1) est positionné sur l'axe longitudinal de l'au moins une rangée de buses mobile (1, 2) et/ou
    a2) est positionné à l'extérieur ou à l'intérieur de l'au moins une rangée de buses mobile (1, 2)
    et/ou
    b) tous les centres de rotation se trouvent sur une ligne ou, en cas de double centre de rotation par rangée de buses, sur deux lignes, dans lequel
    c) les deux lignes des centres de rotation se trouve dans le sens du déplacement et/ou
    d) le robot fait en sorte que les axes de rotation soient déplacés dans le sens d'application de la peinture.
  4. Dispositif d'application (V) selon l'une des revendications 1 à 3, caractérisé en ce que plusieurs rangées de buses (D1, D2) sont rotatives et comprennent chacune leur propre axe de rotation (D1, D2), dans lequel, de préférence, les différents axes de rotation (D1, D2) sont uniformément distants entre eux et/ou sont disposés dans une rangée.
  5. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une rangée de buses mobile (1, 2) est coulissante longitudinalement.
  6. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'application (V) comprend un mécanisme de coulissement et/ou de rotation pour le déplacement de l'au moins une rangée de buses mobile (1, 2).
  7. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que la première rangée de buses (1) et l'au moins une autre rangée de buses (2.1) sont mobiles pour l'ajustement des positions des buses (1.1) de la première rangée de buses (1) et des buses (2.1) de l'au moins une autre rangée de buses (2).
  8. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'application (V) comprend, pour l'ajustement de position, au moins un moteur, de préférence un moteur électrique, pour le déplacement de l'au moins une rangée de buses mobile (1, 2), dans lequel l'au moins un moteur comprend plus particulièrement un moteur de coulissement ou de rotation et/ou un servomoteur.
  9. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce qu'un seul et même moteur permet le déplacement commun de la première rangée de buses (1) et de l'au moins une autre rangée de buses (2), de façon à ce que, pour l'ajustement de position, la première rangée de buses (1) et l'au moins une autre rangée de buses (2) soient mobiles,
    ou en ce qu'un premier moteur permet le déplacement de la première rangée de buses (1) et au moins un autre moteur permet le déplacement de l'au moins une autre rangée de buses (2), de façon à ce que, pour l'ajustement de position, la première rangée de buses (1) et l'au moins une autre rangée de buses (2) soient mobiles.
  10. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que
    - la première rangée de buses (1) et l'au moins une autre rangée de buses (2) sont reliées entre elles par l'intermédiaire d'au moins une liaison, de préférence une liaison maître-esclave et/ou une liaison de couplage mécanique, afin de permettre une synchronisation des mouvements de la première rangée de buses (1) et de l'au moins une autre rangée de buses (2), et/ou de façon à ce qu'un mouvement de la première rangée de buses (2) provoque un mouvement correspondant de l'au moins une autre rangée de buses (1) ou inversement, et/ou
    - la première rangée de buses (1) et l'au moins une autre rangée de buses (2) sont contrôlées individuellement pour l'ajustement de position.
  11. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'application (V) comprend, pour l'ajustement de position, au moins un des éléments suivants :
    - au moins un mécanisme à parallélogramme,
    - au moins une courbe de contour,
    - au moins un disque de came,
    - au moins un dispositif à engrenages, de préférence avec des axes,
    - au moins une denture à développante.
  12. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'application (V) comprend au moins un dispositif de commande pour le calcul de valeurs d'ajustement pour l'ajustement de position et de préférence pour le contrôle de l'au moins une rangée de buses mobile (1, 2) et/ou du robot d'application (R).
  13. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une rangée de buses mobile (1, 2) est montée sur une tête d'impression (100) et
    - pour l'ajustement de position, l'au moins une rangée de buses mobile (1, 2) est mobile par rapport à sa tête d'impression (100) ou
    - pour l'ajustement de position, l'au moins une rangée de buses mobile (1, 2) est mobile conjointement avec sa tête d'impression (100), de façon à ce que, de préférence, l'au moins une rangée de buses mobile (1, 2) soit disposée de manière fixe par rapport à sa tête d'impression (100) et/ou à ce que le mouvement de l'au moins une rangée de buses mobile (1, 2) soit provoqué par un mouvement de sa tête d'impression (100),
    et/ou
    - la première rangée de buses (1) et l'au moins une autre rangée de buses (2) sont disposées sur une seule et même tête d'impression (100) et sont mobiles par rapport à leur tête d'impression (100).
  14. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'application (V) comprend une première tête d'impression (100) et au moins une autre tête d'impression (101).
  15. Dispositif d'application (V) selon la revendication 14, caractérisé en ce que la première tête d'impression (100) comprend la première rangée de buses (1) et l'au moins une autre tête d'impression (101) comprend l'au moins une autre rangée de buses (2).
  16. Dispositif d'application (V) selon la revendication 14 ou 15, caractérisé en ce que, pour l'ajustement de position, la première rangée de buses (1)
    - est mobile par rapport à la première tête d'impression (100) ou
    - est mobile conjointement avec la première tête d'impression (100) de façon à ce que, de préférence, la première rangée de buses (1) soit disposée de manière fixe par rapport à la première tête d'impression (100) et/ou à ce que le mouvement de la première rangée de buses (1, 2) soit provoqué par un mouvement de la première tête d'impression (100).
  17. Dispositif d'application (V) selon l'une des revendications 14 à 16, caractérisé en ce que, pour l'ajustement de position, l'au moins une autre rangée de buses (2)
    - est mobile par rapport à l'au moins une autre tête d'impression (101) ou
    - est mobile conjointement avec l'au moins une autre tête d'impression (101) de façon à ce que, de préférence, l'au moins une autre rangée de buses (2) soit disposée de manière fixe par rapport à l'au moins une autre tête d'impression (101) et/ou à ce que le mouvement de l'au moins une autre rangée de buses (2) soit provoqué par un mouvement de l'au moins une autre tête d'impression (101).
  18. Dispositif d'application (V) selon l'une des revendications 14 à 17, caractérisé en ce que la première tête d'impression (100) et/ou l'au moins une autre tête d'impression (101) comprend au moins deux rangées de buses (1, 2), de préférence au moins deux rangées de buses (1, 2) mobiles.
  19. Dispositif d'application (V) selon l'une des revendications 14 à 18, caractérisé en ce que la première tête d'impression (100) et l'au moins une autre tête d'impression (101) sont maintenues par un dispositif de support et/ou sont conçues pour le montage sur un seul et même robot d'application (R), dans lequel, de préférence le support pour l'ajustement de position permet un degré de liberté de mouvement pour la première tête d'impression (100) et/ou l'au moins une autre tête d'impression (101).
  20. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que la première rangée de buses (1) et l'au moins une autre rangée de buses (2) sont disposées de manière décalée entre elles dans leur direction longitudinale, mais de préférence les buses (1.1) de la première rangée de buses (1) et les buses (2.1) de l'au moins une autre rangée de buses (2) ne se superposent pas et/ou en ce que la première rangée de buses (1) et l'au moins une autre rangée de buses (2) sont disposées les unes derrière les autres de manière orthogonale par rapport à leur direction longitudinale.
  21. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que la première rangée de buses (1) et l'au moins une autre rangée de buses (2) sont orientées de manière parallèle entre elles avant et après un ajustement de position.
  22. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que la première rangée de buses (1) est disposée dans une plaque de buses (P1) et l'au moins une autre rangée de buses (2) est disposé dans une plaque de buses (P2) distincte.
  23. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que des soupapes individuelles sont prévues pour le contrôle de la distribution du produit d'application à partir des différentes buses (1.1) de la première rangée de buses (1) et/ou des différentes buses (2.1) de l'au moins une autre rangée de buses (2), dans lequel les soupapes individuelles comprennent chacune un élément de soupape mobile (20) afin d'obturer la buse (1.1, 2.1) dans une position de fermeture et de la libérer dans une position d'ouverture, et comprennent chacune un entraînement électromécanique (21), de préférence un entraînement à élément de rappel à bobine (21), pour le déplacement de l'élément de soupape (20).
  24. Dispositif d'application (V) selon l'une des revendications précédentes, caractérisé en ce que l'au moins une tête d'impression (100, 101) présente au moins une des caractéristiques suivantes :
    - l'au moins une tête d'impression (100, 101) est conçue pour l'application sans pulvérisation ou sans brouillard de pulvérisation du produit d'application,
    - l'au moins une tête d'impression (100, 101) est conçue pour un fonctionnement en continu et permet le revêtement de surface du composant,
    - l'au moins une tête d'impression (100, 101) émet un jet de produit d'application (T1, T2) étroitement limité contrairement à un brouillard de pulvérisation,
    - l'au moins une tête d'impression (100, 101) émet un jet de gouttes (T1) contrairement à un jet de produit d'application (T2) cohérent dans la direction longitudinale du jet,
    - l'au moins une tête d'impression (100, 101) émet un jet de produit d'application (T2) cohérent dans la direction longitudinale du jet contrairement à un jet de gouttes (T1),
    - l'au moins une tête d'impression (100, 101) présente un rendement d'application d'au moins 80 %, 90 %, 95 % ou 99 %, de façon à ce que globalement tout le produit d'application appliqué soit entièrement déposé sur le composant,
    - l'au moins une tête d'impression (100, 101) présente une performance de revêtement de surface d'au moins 0,5 m2/min, 1 m2/min, 2 m2/min ou d'au moins 3 m2/min,
    - l'au moins une tête d'impression (100, 101) comprend au moins un actionneur contrôlable électriquement afin d'éjecter le produit d'application de l'au moins une tête d'impression (100, 101), de préférence un actionneur magnétique ou un actionneur piézoélectrique.
  25. Robot d'application (R), de préférence robot de revêtement ou de peinture, avec au moins un dispositif d'application (V) selon l'une des revendications précédentes, dans lequel le robot d'application (R) permet le guidage de l'au moins une tête d'impression (100, 101) et des au moins deux rangées de buses (1, 2) et comprend au moins cinq ou au moins six axes de robot mobiles.
  26. Procédé d'application exécuté par un dispositif d'application (V) selon l'une des revendications 1 à 24, pour l'application d'un produit d'application sur un composant (T), de préférence pour l'application d'une peinture sur un composant de carrosserie de véhicule (T), dans lequel :
    - au moins une tête d'impression (100, 101) est montée sur un robot d'application (R) et applique le produit d'application, de préférence en série, et
    - au moins deux rangées de buses (1, 2) sont mises en mouvement par le robot d'application (R), dans lequel les au moins deux rangées de buses (1, 2) comprennent une première rangée de buses (1) avec plusieurs buses (1.1) pour l'émission de jets de produit d'application (S1) et au moins une autre rangée de buses (2) avec plusieurs buses (2.1) pour l'émission de jets de produit d'application (S2),
    caractérisé en ce que
    - au moins une rangée de buses (1, 2) des au moins deux rangées de buses (1, 2) est déplacée, de façon à ce que soit effectué un ajustement de position des buses (1.1) de la première rangée de buses (1) et des buses (2.1) de l'au moins une autre rangée de buses (2).
EP17809258.1A 2016-12-14 2017-12-01 Tête d'impression avec méchanisme de décalage et/ou de rotation pour au moins une rangée de buses Active EP3554713B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016014920.5A DE102016014920A1 (de) 2016-12-14 2016-12-14 Druckkopf mit Verschiebe- und/oder Drehmechanik für zumindest eine Düsenreihe
PCT/EP2017/081121 WO2018108572A1 (fr) 2016-12-14 2017-12-01 Tête d'impression présentant un mécanisme de déplacement et/ou de rotation pour au moins une série de buses

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EP3554713A1 EP3554713A1 (fr) 2019-10-23
EP3554713B1 true EP3554713B1 (fr) 2021-02-17

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US (1) US20190337311A1 (fr)
EP (1) EP3554713B1 (fr)
JP (1) JP7128817B2 (fr)
CN (1) CN110072627B (fr)
DE (1) DE102016014920A1 (fr)
ES (1) ES2865429T3 (fr)
MX (1) MX2019006977A (fr)
WO (1) WO2018108572A1 (fr)

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Also Published As

Publication number Publication date
EP3554713A1 (fr) 2019-10-23
CN110072627A (zh) 2019-07-30
CN110072627B (zh) 2022-02-22
JP2020501889A (ja) 2020-01-23
JP7128817B2 (ja) 2022-08-31
MX2019006977A (es) 2019-08-16
US20190337311A1 (en) 2019-11-07
ES2865429T3 (es) 2021-10-15
WO2018108572A1 (fr) 2018-06-21
DE102016014920A1 (de) 2018-06-14

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