EP2704850B1 - Pulvérisateur de peinture - Google Patents

Pulvérisateur de peinture Download PDF

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Publication number
EP2704850B1
EP2704850B1 EP12719595.6A EP12719595A EP2704850B1 EP 2704850 B1 EP2704850 B1 EP 2704850B1 EP 12719595 A EP12719595 A EP 12719595A EP 2704850 B1 EP2704850 B1 EP 2704850B1
Authority
EP
European Patent Office
Prior art keywords
needle
paint
longitudinal axis
spraying apparatus
air
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.)
Active
Application number
EP12719595.6A
Other languages
German (de)
English (en)
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EP2704850A1 (fr
Inventor
Elmar Krayer
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.)
J Wagner GmbH
Original Assignee
J Wagner GmbH
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Filing date
Publication date
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Publication of EP2704850A1 publication Critical patent/EP2704850A1/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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/0475—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the peripheral gas flow towards the central liquid flow
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/025—Nozzles having elongated outlets, e.g. slots, for the material to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B05B7/0823—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter comprising a rotatable spray pattern adjusting plate controlling the flow rate of the spray shaping gas jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B05B7/083—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter comprising rotatable spray shaping gas jet outlets
    • 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
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B05B1/042—Outlets having two planes of symmetry perpendicular to each other, one of them defining the plane of the jet

Definitions

  • the invention relates to a paint spraying device for generating a color-shaping jet according to the preamble of claim 1 and a needle for a needle valve for a paint sprayer.
  • the paint spraying device can also be used for other air-driven application methods which make use of the function according to the invention of the rotary color-shaped jet generation of the paint spraying device.
  • compressed air operated devices and so-called HVLP devices (High Volume Low Pressure) are known which differ in some operating parameters, such as the nozzle air pressure of the conventional high pressure equipment.
  • HVLP devices High Volume Low Pressure
  • a device class from the prior art is for Providing a color flat jet that provides benefits when applying a paint to a surface. Compared to a radially symmetric circular color jet, a flat jet provides increased homogeneity in color application, similar to brushing or roller application, thereby significantly improving the color coating result.
  • the DE 10 2009 053 449 A1 discloses a spray head for producing a color flat jet.
  • the spray head comprises a paint nozzle with a needle valve, an air gate and an air cap arranged in the direction of air flow after the air cap.
  • the from the DE 10 2009 053 449 A1 known spray head allows that wall paint or viscous paints can be processed well.
  • the producible flat jet has a vertical or horizontal orientation, so that it is either suitable for applying the color optimally to vertical or horizontal wall edges.
  • the object of the invention is to develop a paint spraying device for generating a color-shaping jet, wherein the paint spraying device is suitable, the color-shaping - at unchanged orientation of the paint spraying device in the room - to give in different orientation.
  • the invention relates to a paint spraying device in which the ink outlet opening is rotatable together with the needle head about the longitudinal axis of the needle to rotate the color shaping beam in its orientation with respect to the longitudinal axis.
  • This makes it possible to rotate the color-shaped beam - with unchanged orientation of the paint spraying device - on its own axis.
  • a color shaping jet formed initially as a horizontally lying beam, in order to spray a vertically aligned wall edge, avoiding the spraying of a surface to be kept free of color, by means of a color shaping jet formed as a vertical bar.
  • Such a rotational adjustability of the color-shaping jet allows the user to maintain a relaxed posture, especially when editing edge areas, or to get accustomed to pleasant movement sequences. Furthermore, the user does not have to apply any torsional force in order to rotate the paint spraying device, which is designed as a paint spray gun or paint spray or paint spray lance, with its eccentric weight distribution, in particular caused by a paint container and / or supply lines, about the longitudinal axis.
  • the core of the invention is thus a division of the paint spraying device into a one or both hands gripped by the user base unit and a rotationally coupled to the body coupled dispensing unit, wherein the dispensing unit is rotatable relative to the base unit, so that a continuous injection process is guaranteed.
  • Fig. 1 an exploded view of a paint spraying device 1.
  • the paint spraying device is formed in the base by a body 2, at the lower end of a receptacle 3 is provided for a paint container.
  • a receptacle 3 is provided for a paint container.
  • One not illustrated alternative embodiment is conceivable by eliminating the receptacle 3 for the ink container and a color feed the body 2 supplies the color from a remote container. This is for example in the German patent application of DE 10 2009 048 022 the applicant described.
  • the body 2 has a trigger 4, which is suspended on the body 2 oscillating at an upper side and a laterally arranged in the trigger 5 blind hole or a hole (here covered by cap 6) a coupling pin (in Fig. 4 shown) entrains.
  • This coupling pin serves to retract a needle 7 against a shuttle ballast or the like to operate a needle valve to control paint leakage.
  • the paint spraying device 1 comprises in addition to the body 2 and the needle 7 an air curtain 8, a control disk 9, an air cap 10, a union nut 11 and a rotary actuator 12 arranged thereon drivers 13 and optionally another arranged thereon driver 14.
  • the air cap 10, the control disk 9, the air gate 8 and the needle 7 thereby form a unit 15, which provides the technical conditions for the Farbzerstäubungsvorgang.
  • the needle 7 engages with its needle head 16 in a paint outlet opening 17, which is arranged centrally in the air gallery 8.
  • the needle head 16 is in its wedge shape while the shape of the paint outlet opening 17 adapted such that it closes color-tight by engagement at fully pushed into position.
  • the technical principles of a needle valve, which provides by retraction of the needle an opening gap in a paint outlet opening 17 through which can then leak in a metered manner, are known from the prior art Rotatioinssymmetrische needles and paint outlets repeatedly known.
  • Fig. 2 shows a composite embodiment of a spray head 20 of a paint spraying device according to the invention.
  • the spray head 20 is thereby formed by the air gate 8, the control disk 9 arranged thereon, the air cap 10 covering it, the cap nut 11 arranged above it, and the rotary actuator 12 clamped thereon and the further driver 14.
  • the outgoing from the side of the body 2 needle 7 is not shown here.
  • a paint nozzle 21 is formed at the paint exit side of the spray head 20 (not shown) through the paint outlet opening 17 and the needle 7, a paint nozzle 21 is formed.
  • the present slot-shaped paint nozzle 21 is arranged in the interior of a Zerstäuber Kunststoffö réelle 22 in the air cap 10.
  • the edge of the atomizing air opening 22 and the edge of the paint outlet opening 17 define the annular gap 23 surrounding the paint nozzle 21, through which the atomizing air flows to atomize the paint emerging from the paint outlet opening 17. In this way, a color mist is produced according to known sputtering principles.
  • the rotary actuator 12 has in each case to the air horns 24 correspondingly arranged driver 13, which by entrainment entrainment of the air horns Ensure rotation of the rotary actuator 12. Furthermore, the rotary actuator 12 has a saddle guide 30, in which the further driver 14 is guided, wherein the further driver 14 is in turn attached via a clamping wing 28 and a positive rear handle 29 on the rotary actuator 12 such that it along the saddle guide 27 on a Circular path about the longitudinal axis 27 is displaceable.
  • the further driver 14 operates a pin 31 which is arranged on the control disk 9. In this way, the control disk 9 can be rotated behind the air cap 10 lying by the other driver 14.
  • Fig. 3 is the corresponding to Fig. 1 shown exploded view, wherein the gun body 2 is not shown and the arrangement of the individual components have been rotated by 90 ° in the direction of the seen in air flow clockwise.
  • the needle 7 has on its side remote from the needle head 16 on a sealing arrangement.
  • the sealing arrangement comprises a pressure surface 40, in front of which at least one seal 41 (in the present case, two seals are provided) is arranged.
  • the seal or seals 41 is held by a thread 42 arranged on the needle 7 via a clamping nut 43 screwed onto it and can be adjusted in its sealing action by corresponding prestressing of the clamping nut 43.
  • the passage 44 is formed as a substantially quarter-circular passage 44, wherein this passage 44 is symmetrical to the longitudinal axis 27 on the other side of the needle (not shown here) also provided. Due to the essentially quarter-circular training the passage 44 allows the needle to be rotated through an angle of approximately 90 ° corresponding to the passage opening 44, without torsion effects acting on the needle 7 by the coupling pin passing through the needle.
  • Fig. 3 the arrangement of the passage openings for the individual air ducts.
  • the control disk 9 comprises two control openings 53 and 54 which upon rotation of the control disk 9 about the longitudinal axis 27 either with the passage openings for the horn air 50 or the passage openings for the compensation air 52 can be brought into line.
  • Corresponding air channels for the horn air and the compensation air are also present in the air cap 10.
  • the control disk 9 is formed slightly smaller in diameter, such as the diameter of the air gate 8.
  • the air gate 8 know on its the control disk 9 facing surface springs 60 and 61, between which the control disk 9 is inserted and guided during rotation about the longitudinal axis 27 , At least one of the springs 60, 61 protrudes beyond the control disk 9 in the assembled state, so that they are arranged in the air cap 10 on the contact side for air slide 8 and control disk 9 groove 62 for defined arrangement and rotational position fixation of the air cap intervenes.
  • the technical function of the described switchable air paths between an air passage through the horns 24 and an air passage through the compensation holes 65 is in the prevention of an increase in the internal air pressure in the paint sprayer.
  • blowers for Provision of the working air can be used, which use a certain volume flow for their own cooling, it is disadvantageous to reduce the volume flow, which can pass through a spray head. Therefore, as soon as the spray jet forming air horns 24 are switched off by the movement of the control disk 9 via the pin 31 to influence the spray jet emitted, a reduced total air volume flow would result without the compensation bores 65. This would have to cope with the blower.
  • the blower relies on the volume flow for cooling, the corresponding volume must be blown through the compensation holes in order to avoid an increased backwater and to continue to sufficiently cool the blower. This technique is described for another type of spray guns in the prior art EP'939.
  • FIG. 4 shows a cross section through an inventive paint spraying device 1.
  • the individual components are identified according to the above-described reference numerals.
  • color is transported through a riser 70 via the color space 71 to the ink nozzle 21.
  • the color space 71 is formed substantially as the needle 7 completely receiving sleeve with a passage opening for the coupling pin 72 and the access of the riser 70. In operation, only the front part of the color space 71 is filled with color.
  • the needle 7 is slidably disposed along the longitudinal axis 27 to the opening of the paint outlet opening 17.
  • the needle may be provided as a two-part embodiment, for example, when a front portion 75 is to be made with the needle head 16 of a different material, such as a rear portion 76. This is for example to provide for the formation of the needle head as a wear part, which compared to the rest of the arrangement should be replaced more frequently.
  • a problem with this rather degraded embodiment could be a sticking of the components by means of paint.
  • a needle 7 according to the invention is shown in detail.
  • the seal assembly is fixed on the needle 7.
  • the needle is in the form of a two-part design, as shown here, or is in the form of a one-piece needle, is irrelevant to the sealing arrangement and the functionality described below.
  • tension-adjustable sealing packages are often of great advantage.
  • the adjustment or adjustment of a sealing stress causes access to the optimal trigger pressure point, which is determined by the sliding friction of the needle 7 in the seal, or in the present case by the seal 41 in the color space 71.
  • the adjustability is given in the present case by the tension which is exerted with the clamping nut 43 on the sealing package consisting of the two sealing rings 41.
  • the clamping nut 43 is screwed on the thread 42 against the seals 41 and presses them against the pressure surface 40.
  • a sealing bead generated which causes the sealing effect against the wall of the color space 71.
  • the invention thus also encompasses a paint spraying device for producing a jet of color with a needle 7 slidably received in a channel, a paint-guiding section of the channel being sealed by a gasket coating the needle, and the gasket being fixed in the axial direction to the needle.
  • the seal is fixed between a first stop and a second stop, wherein preferably at least one stop on the needle in the axial direction is adjustable.
  • this is fixed in the direction of rotation to the needle, for example by a positive tongue and groove rotational fixation or a rough structure on the pressure surface 40, e.g. a pulley structure.
  • the front needle section 75 and the rear needle section 76 may be rotatable relative to each other about a common longitudinal axis 27.
  • the first material of the front section 75 is a plastic material (for example POM material) and the second material of the rear section 76 is a metallic material (for example cast zinc).
  • the front section 75 can be connected to the latter by manufacture of the rear section 76 during production.
  • the paint outlet opening 17 is formed of a third material which is harder than the material of the front needle portion 75 and that the third material is in particular ceramic and in particular sintered ceramic.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)

Claims (10)

  1. Pulvérisateur de peinture (1) pour la production d'un jet profilé de peinture, comprenant une buse à peinture positionnée dans une fente annulaire (23), dans lequel la buse à peinture (21) comprend une aiguille (7) avec une tête d'aiguille (16) ainsi qu'un orifice de sortie de peinture (17), dans lequel la tête d'aiguille (16) est déplaçable par rapport à l'orifice de sortie de peinture (17) sur un axe longitudinal (27) de l'aiguille (7) pour la commande d'une soupape à aiguille formée par l'orifice de sortie de peinture (17) et la tête d'aiguille (16) et dans lequel la tête d'aiguille (16) dans une position fermée de la buse à peinture (21) s'engage par emboîtement dans l'orifice de sortie de peinture (17) par rapport à l'axe longitudinal (27), caractérisé en ce que l'orifice de sortie de peinture (17) peut tourner de concert avec la tête d'aiguille (16) autour de l'axe longitudinal (27), afin de faire tourner le jet profilé de peinture dans l'espace en ce qui concerne son orientation par rapport à l'axe longitudinal (27) pour une orientation inchangée du pulvérisateur de peinture.
  2. Pulvérisateur de peinture (1) selon la revendication 1, caractérisé en ce que l'aiguille (7) est réalisée sous la forme d'une aiguille rigide à la torsion (7), dans lequel l'aiguille (7) est assemblée à un étrier d'aiguille (4, 5) par des faces de pression disposées sur l'aiguille (7) et sur l'étrier d'aiguille (4, 5), de telle manière que l'aiguille (7) puisse tourner d'au moins 90° autour de l'axe longitudinal (27) tout en évitant une force de torsion agissant de façon durable sur l'étrier d'aiguille (4, 5).
  3. Pulvérisateur de peinture (1) selon la revendication 1 ou 2, caractérisé en ce qu'un moyen de couplage, en particulier une tige de couplage (72) de l'étrier d'aiguille (4, 5), traverse avec du jeu un passage (44) dans l'aiguille (7) ou en ce qu'un moyen de couplage de l'étrier d'aiguille (4, 5) s'applique sur un élargissement radial ou sur un étranglement radial de l'aiguille (7) par rapport à l'axe longitudinal (27).
  4. Pulvérisateur de peinture (1) selon la revendication 1, 2 ou 3, caractérisé en ce que l'aiguille (7) comprend une première partie d'aiguille (75), sur laquelle la tête d'aiguille (16) est formée, et en ce que l'aiguille comprend au moins une deuxième partie d'aiguille (76), qui est en liaison avec un étrier d'aiguille, dans lequel la première et la deuxième parties d'aiguille peuvent tourner l'une par rapport à l'autre par rapport à l'axe longitudinal (27), dans lequel la première partie d'aiguille (75) tourne autour de l'axe longitudinal (27) lors du déplacement du jet profilé de peinture de concert avec l'orifice de sortie de peinture (17) et dans lequel la deuxième partie d'aiguille (76) est couplée à l'étrier d'aiguille dans une position rotative restant la même lors du déplacement du jet profilé de peinture tout en évitant une rotation autour de l'axe longitudinal (27).
  5. Pulvérisateur de peinture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - le pulvérisateur de peinture comprend une tête de pulvérisation (20), dans lequel la tête de pulvérisation (20) comprend un écrou-raccord (11) et un actionneur rotatif (12),
    - dans lequel l'actionneur rotatif (12) est monté de façon rotative sur ou sous l'écrou-raccord (11), avec lequel l'orifice de sortie de peinture (17) est fixé à un corps (2) du pulvérisateur de peinture (1),
    - dans lequel l'actionneur rotatif (12) comprend au moins un élément d'entraînement (13), au moyen duquel la fente annulaire (23) formée dans une coiffe à air (10) et l'orifice de sortie de peinture (17) formé sur une coulisse à air tournent autour de l'axe longitudinal (27) lors d'une rotation de l'actionneur rotatif (12).
  6. Pulvérisateur de peinture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - la tête de pulvérisation (20) comprend, en plus de la coulisse à air (8) avec l'orifice de sortie de peinture (17) et de la coiffe à air (10) avec la fente annulaire (23), un disque de commande (9),
    - dans lequel une unité de construction (15) composée de la coiffe à air (10), de la coulisse à air (8), du disque de commande (9) et de l'aiguille (7) est fixée sur le corps (2) du pulvérisateur de peinture (1),
    - dans lequel l'unité de construction (15) est mise en rotation autour de l'axe longitudinal (27) au moyen dudit au moins un élément d'entraînement (13) de l'actionneur rotatif (12).
  7. Pulvérisateur de peinture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'à l'intérieur de l'unité de construction (15) les composants coiffe à air (10), coulisse à air (8) et aiguille (7) sont couplés l'un à l'autre par rapport à une rotation autour de l'axe longitudinal (27), dans lequel le disque de commande (9) dans cette unité de construction (15) peut tourner par rapport aux autres composants de l'unité de construction et en particulier peut tourner d'un angle de 10° à 45° et de préférence d'un angle d'environ 30°.
  8. Pulvérisateur de peinture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - l'actionneur rotatif (12) comprend un autre élément d'entraînement (14), au moyen duquel le disque de commande d'air (9) peut tourner, dans chaque position de rotation de l'actionneur rotatif (12), par rapport aux autres composants (10, 8, 7) de l'unité de construction (15),
    - dans lequel un déplacement d'une alimentation en air de la coiffe à air (10) est effectué par un déplacement relatif de l'autre élément d'entraînement (14) par rapport à un guide d'étrier (30) de l'actionneur rotatif (12) et
    - dans lequel l'autre élément d'entraînement (13) est couplé en particulier par emboîtement au disque de commande d'air (9).
  9. Pulvérisateur de peinture (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu une aiguille (7) avec une tête d'aiguille (16), dans lequel la tête d'aiguille (16) est déplaçable dans une chambre à peinture (71) par rapport à l'orifice de sortie de peinture (17) sur un axe longitudinal (27) de l'aiguille (7) pour la commande d'une soupape à aiguille formée par l'orifice de sortie de peinture (17) et la tête d'aiguille (16) et dans lequel une partie de la chambre à peinture (71) conduisant la peinture est rendue étanche par un joint (41) entourant l'aiguille (7), caractérisé en ce que le joint (41) est fixé en direction axiale à l'aiguille (7).
  10. Pulvérisateur de peinture selon l'une quelconque des revendications précédentes, caractérisé en ce que l'aiguille (7) est réalisée sous la forme d'une aiguille en deux parties avec une partie avant (75) et une partie arrière (76) ainsi qu'avec une tête d'aiguille (16) en forme de coin.
EP12719595.6A 2011-05-06 2012-05-04 Pulvérisateur de peinture Active EP2704850B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011100806A DE102011100806A1 (de) 2011-05-06 2011-05-06 Farbspritzgerät
PCT/EP2012/001914 WO2012152414A1 (fr) 2011-05-06 2012-05-04 Appareil de pulvérisation de peinture

Publications (2)

Publication Number Publication Date
EP2704850A1 EP2704850A1 (fr) 2014-03-12
EP2704850B1 true EP2704850B1 (fr) 2017-11-29

Family

ID=46046115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12719595.6A Active EP2704850B1 (fr) 2011-05-06 2012-05-04 Pulvérisateur de peinture

Country Status (6)

Country Link
US (1) US9421562B2 (fr)
EP (1) EP2704850B1 (fr)
CN (1) CN103501918B (fr)
BR (1) BR112013028445B1 (fr)
DE (1) DE102011100806A1 (fr)
WO (1) WO2012152414A1 (fr)

Cited By (1)

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EP4052797A1 (fr) * 2021-03-05 2022-09-07 Graco Minnesota Inc. Outil d'alignement pour un capuchon d'air de pistolet de pulvérisation

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CN103008135A (zh) * 2013-01-06 2013-04-03 英国阿莱斯责任有限公司 喷枪
GB2508446B (en) * 2013-03-01 2014-12-10 Tsung Mao Ind Co Ltd Replaceable head part of probe of spray gun
DE202015106132U1 (de) * 2015-11-12 2015-11-19 J. Wagner Gmbh Farbspritzgerät
CN205701165U (zh) * 2016-04-19 2016-11-23 浙江普莱得电器有限公司 一种枪身带有仰角的喷枪
CN205815959U (zh) * 2016-04-19 2016-12-21 浙江普莱得电器有限公司 一种喷枪枪头
DE102017103335A1 (de) 2017-02-17 2018-08-23 J. Wagner Gmbh Sprühkopf für ein Farbspritzgerät und Farbspritzgerät
CN115814972A (zh) * 2017-09-30 2023-03-21 宁波市威优特电器有限公司 一种喷枪雾化调节控制装置
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics
CN211538240U (zh) * 2019-10-17 2020-09-22 三赢科技（深圳）有限公司 喷嘴及设备
DE102021124139A1 (de) 2021-09-17 2023-03-23 Sata Gmbh & Co. Kg Lackierpistole mit zweiteiliger Materialnadel, Materialnadel, Vordernadel einer Materialnadel sowie Verfahren zum Austausch einer Materialnadel
CN114100908B (zh) * 2021-11-26 2024-04-26 龙小梅 一种水利工程用金属水管外表面喷漆设备
CN115121405A (zh) * 2022-07-01 2022-09-30 无锡荣源电气科技有限公司 一种用于轴组的自动喷漆设备
FR3145694A1 (fr) * 2023-02-14 2024-08-16 Exel Industries Dispositif de pulvérisation avec indication de positionnement

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US1583220A (en) 1922-11-11 1926-05-04 Peerless Pneumatic Systems Inc Spray gun
DE1013550B (de) 1955-03-30 1957-08-08 Krautzberger & Co Farbspritzapparat
US5217168A (en) 1991-07-30 1993-06-08 Wagner Spray Tech Corporation Air cap for paint spray gun
JP2000126662A (ja) 1998-10-27 2000-05-09 Yamaha Motor Co Ltd ディスペンサの塗布剤供出部構造
CN2581077Y (zh) * 2002-10-12 2003-10-22 赵建高 喷嘴电动旋转装置
DE20306113U1 (de) * 2003-04-16 2004-08-26 Sprimag Spritzmaschinenbau Gmbh & Co Kg Spritzapparat
SE0301921L (sv) * 2003-06-30 2005-01-25 Baldwin Jimek Ab Lufthuv
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DE102007053855A1 (de) 2007-02-27 2008-09-04 Martin Ruda Farbspritzpistole mit einem Grundkörper, auswechselbare Farbleiteinrichtung und Anordnung aus einer Farbspritzpistole, einer auswechselbaren Farbleiteinrichtung und einem Farbspritzpistolenbecher
GB0903275D0 (en) * 2009-02-26 2009-04-08 Earlex Ltd Spray gun
DE102009053449A1 (de) 2009-08-05 2011-02-10 J. Wagner Gmbh Schlitzdüse
DE102009048022A1 (de) 2009-10-02 2011-04-07 J. Wagner Gmbh Transportables Farbsprühgerät

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Publication number Priority date Publication date Assignee Title
EP4052797A1 (fr) * 2021-03-05 2022-09-07 Graco Minnesota Inc. Outil d'alignement pour un capuchon d'air de pistolet de pulvérisation

Also Published As

Publication number Publication date
US20140077002A1 (en) 2014-03-20
BR112013028445B1 (pt) 2020-09-29
US9421562B2 (en) 2016-08-23
CN103501918A (zh) 2014-01-08
DE102011100806A1 (de) 2012-11-08
EP2704850A1 (fr) 2014-03-12
BR112013028445A2 (pt) 2017-01-24
CN103501918B (zh) 2016-08-17
WO2012152414A1 (fr) 2012-11-15

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