EP4337387A1 - Dispositif d'acheminement d'agent de peinture, pistolet de pulvérisation et ensemble - Google Patents

Dispositif d'acheminement d'agent de peinture, pistolet de pulvérisation et ensemble

Info

Publication number
EP4337387A1
EP4337387A1 EP22719785.2A EP22719785A EP4337387A1 EP 4337387 A1 EP4337387 A1 EP 4337387A1 EP 22719785 A EP22719785 A EP 22719785A EP 4337387 A1 EP4337387 A1 EP 4337387A1
Authority
EP
European Patent Office
Prior art keywords
guide device
spray gun
guide
paint
supply line
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.)
Pending
Application number
EP22719785.2A
Other languages
German (de)
English (en)
Inventor
Martin Ruda
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.)
Martin Ruda 1 Ug Haftungsbeschraenkt
Original Assignee
Martin Ruda 1 Ug Haftungsbeschraenkt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102021005362.1A external-priority patent/DE102021005362A1/de
Application filed by Martin Ruda 1 Ug Haftungsbeschraenkt filed Critical Martin Ruda 1 Ug Haftungsbeschraenkt
Publication of EP4337387A1 publication Critical patent/EP4337387A1/fr
Pending legal-status Critical Current

Links

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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun
    • 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

Definitions

  • the invention relates to a coating medium guide device, a spray gun and an arrangement.
  • Spray guns with paint conducting devices are known, for example, from WO2018/109625 A1 (3M), WO2016/138888 A1 (HSM) and EP 2 726 212 A1 (SATA).
  • the coating agent guide should be easy to arrange on the spray gun and should be held firmly on it and should also be easy to detach again.
  • the invention is based on the object of further developing such spray guns in such a way that particularly good stability is achieved in a simple manner. Preferably, this is even achieved with the least possible use of material or inexpensive materials.
  • the coating medium guide device is held firmly in all degrees of freedom and can be fed and reversibly fixed in one degree of freedom, for example on a straight line or a curved line.
  • confirmation copy 2 can be achieved by clamps, latches or, for example, by a union nut.
  • the holder in the other degrees of freedom is achieved by a firm contact with contact surfaces. This fixed contact takes place during the feed and ultimately during the fixation, which presses the supplied paint guide device against the contact surface.
  • the coating agent guide device is pressed into the correct position by guide surfaces when it is fed to the spray gun. As long as the paint guide device is still loosely guided, the guide surfaces help to move the paint guide device into a position in which it finally finds a stop and is fixed to the spray gun. These guide surfaces are arranged at a slight angle to the optimal feed direction and act like a funnel in order to optimally center the paint guide device in relation to the spray gun.
  • the mechanical guide which can extend parallel to the outlet line, for example, guides the coating agent guide device when it is arranged on the spray gun on the way to a stop on the spray gun.
  • This path is usually a line or a curve.
  • the mechanical guidance allows the feeding in this way and prevents deviating from this way, preferably by spaced, parallel contact surfaces.
  • the mechanical guide is therefore not a one-sided sloping guide surface, but it acts like a rail or a channel and makes it possible to guide the paint guide device, which is already optimally aligned with the spray gun, on a defined path to the spray gun until the paint guide device hits a stop on the spray gun interacts with the spray gun, usually in a sealing manner.
  • the mechanical guide can also have guide surfaces that converge conically in order to center the coating medium guide device and then guide it to a defined point on the contact surface with the mechanical guide. Thereby 3, manual approach is facilitated and accurate positioning is improved.
  • the mechanical guide can be a mandrel, for example, which is arranged in the feed direction. It can also be designed as a tongue and groove connection which, in the feed direction, guides the coating medium guide device to the contact surface on the spray gun like a rail.
  • the dome can lead into a narrowing borehole and/or itself be designed conically in order to position the coating medium guide device before it is fed in.
  • the groove can also narrow and/or the tongue can narrow in the feed direction, so that the paint guide device can be fed in loosely and is only positioned precisely on the way, in order ultimately to be guided precisely to the spray gun via the mechanical guide.
  • the mechanical guide is preferably designed in such a way that it guides the previously centered coating agent guide device on a predefined line to the stop on the spray gun.
  • the sealing contact surface around a paint needle then preferably no longer has to assume a centering function. This is particularly relevant when the sealing surface has a softer sealing material that could be damaged during centering. Even if the sealing surface has a structure such as, in particular, the elevations sliding in grooves described in WO 2016/138888 A1 and WO2018/109625A1, it is advantageous if very good centering is achieved early on when approaching, so that the elevations and depressions are good mutually centered and do not first have to cause centering in order to only then be able to interact with one another in a sealing manner.
  • a protruding element slides in a recess up to the stop of the paint guide device on the spray gun, it can happen that dirt in the recess is displaced with the protruding element and ultimately impede a sealing contact of the paint guide device on the spray gun.
  • the depression is open or enlarged in such a way that dirt can collect at the end of the depression or even be pushed into a space with the protruding element, so that it does not impede the system of the coating agent guide device on the spray gun.
  • a ramp can be provided at the end of the recess, over which the dirt can be pushed out of the recess with a rag and preferably even with the protruding element in such a way that it can be easily wiped off.
  • the cup attached to the spray gun may have a plug or flat screen upstream of the paint spout.
  • the flat screen can be detachable or non-detachable.
  • the invention relates to the paint guide device.
  • the invention also relates to a spray gun with such a paint guide device and ultimately the invention also relates to an arrangement with a spray gun, a paint guide device and a cup which is arranged on the paint guide device.
  • Figure 1 a paint guide device
  • Figure 2 shows a detail from Figure 1
  • FIG. 3 is a front view of the paint guide device shown in FIG. 1, 5
  • FIG. 4 is a rear view of the paint guide device shown in FIG. 1,
  • FIG. 5 shows a view from below of the coating medium guide device shown in FIG.
  • FIG. 6 shows a front view of a spray gun with the paint guide device shown in FIG.
  • FIG. 7 shows a side view of a spray gun with the paint guide device shown in FIG. 1,
  • FIG. 8 is a rear view of a spray gun with the paint guide device shown in FIG. 1,
  • FIG. 9 the spray gun with the paint guide device used
  • FIG. 14 a coating agent guide device with a dome as a guide
  • FIG. 15 shows the paint guide device shown in FIG. 14 with a spray gun
  • FIG. 16 shows a further embodiment with a circumferential spring as a guide
  • FIG. 17 shows an enlarged detail from FIG. 16 with the circumferential spring
  • FIG. 18 shows an inclined guide surface at the beginning of the mechanical guide.
  • the mechanical guide has a web or a spring as the protruding element, which can be formed on the coating agent guide device.
  • This web can extend on the sides of the coating agent guide device or it can also be U-shaped or semi-circular.
  • a mandrel can also be provided on the back of the feed line, 6 which engages in a corresponding opening on the spray gun.
  • a protruding element can also be arranged on the spray gun, which engages in a recess in the paint guide device.
  • the web, spring or dome are always aligned in such a way that they guide and position the paint guide device when it is fed to a stop surface on the spray gun and at the same time hold it against forces in other directions.
  • the paint guide device By tuning the guide, using single or multiple guides in parallel or at different locations, the paint guide device is guided and held firmly, so that it requires less strength in order not to deform or even break in daily use.
  • Figure 1 shows a coating medium guide 1 with a supply line 2, which has a connection 3 for a supply line (not shown).
  • An outlet line 4 leads from the supply line 2 to an outlet 5.
  • the supply line 2 and the outlet line 4 are arranged in an unwound manner in relation to one another.
  • FIG. 2 The detail A from FIG. 1 shown in FIG. 2 shows that a mechanical guide 7 is arranged on the outside 6 of the supply line 2 and extends parallel to the outlet line 4 .
  • a web 8 is provided as a mechanical guide 7 in FIG.
  • a groove can also be provided instead of a web.
  • a dome or a bore can also be used as the mechanical guide 7 .
  • the mechanical guide 7 shown in Figure 2 consists of two opposing webs 8 and 9. These sides and the webs are located on both sides of the supply line 2, on the side of the outlet line 4 and the outlet 5. 7
  • a web 10 is arranged, which connects the supply line and the outlet line to one another.
  • This web 10 is arranged in the throat of the obtuse angle between the supply line 2 and outlet line 4.
  • Figures 3, 4 and 5 show the paint guide shown in Figure 1 from different sides.
  • the invention also relates to a spray gun 11, as shown in FIG. 6, for example.
  • This spray gun has a contact surface 12 for arranging the paint guide device 1 and a counterpart 13 for interacting with the mechanical guide 7 of the paint guide device 1.
  • the paint guide device 1 is guided in the feed direction 14 to the contact surface 12 of the spray gun 11 along the paint needle 17, so that the paint guide device 1 strikes a stop 15 for limiting the movement of the paint guide device 1 in the feed direction 14, with the paint guide device 1 contact surfaces 15 , 16 for holding the coating medium guide device 1 on opposite sides against a movement transverse to the feed direction 14 .
  • the mechanical guide 7 is provided for this purpose, which guides the coating material guide device 1 in the feed direction 14 and holds it transversely to the feed direction 14 .
  • Figure 7 shows the spray gun 11 and the paint guide device 1 and abstracts the paint needle 17 as a line.
  • FIG. Figure 17 shows an encircling spring 19 as a mechanical guide 7. It should be noted that a protruding element on the paint guide device, which interacts with a recess in the spray gun, also acts as a protruding element on the spray gun with a recess on the paint guide device can be executed. 8th
  • FIG. 3 A preferred embodiment with an inclined guide surface 20 at the beginning of a mechanical guide is shown in FIG. This facilitates the insertion of a protruding element into the guide.

Landscapes

  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

L'invention concerne un dispositif d'acheminement d'agent de peinture, un pistolet de pulvérisation, et un ensemble, un guide mécanique s'étendant parallèlement à la ligne de sortie étant disposé sur une partie extérieure de la conduite d'alimentation. L'objectif de l'invention est d'améliorer de manière simple des pistolets de pulvérisation connus de manière à obtenir une stabilité particulièrement bonne. Ceci est, de préférence, obtenu même avec peu d'utilisation de matériau que possible ou à l'aide de matériaux à faible coût.
EP22719785.2A 2021-05-14 2022-04-01 Dispositif d'acheminement d'agent de peinture, pistolet de pulvérisation et ensemble Pending EP4337387A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102021002522 2021-05-14
DE102021002831 2021-06-02
DE102021005362.1A DE102021005362A1 (de) 2021-05-14 2021-10-28 Lackiermittelleiteinrichtung, Spritzpistole und Anordnung
PCT/DE2022/000034 WO2022237926A1 (fr) 2021-05-14 2022-04-01 Dispositif d'acheminement d'agent de peinture, pistolet de pulvérisation et ensemble

Publications (1)

Publication Number Publication Date
EP4337387A1 true EP4337387A1 (fr) 2024-03-20

Family

ID=81448687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22719785.2A Pending EP4337387A1 (fr) 2021-05-14 2022-04-01 Dispositif d'acheminement d'agent de peinture, pistolet de pulvérisation et ensemble

Country Status (8)

Country Link
US (1) US20240278267A1 (fr)
EP (1) EP4337387A1 (fr)
JP (1) JP2024519528A (fr)
AU (1) AU2022271552A1 (fr)
BR (1) BR112023023661A2 (fr)
CA (1) CA3217771A1 (fr)
DE (1) DE112022002579A5 (fr)
WO (1) WO2022237926A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2646166B1 (fr) * 2010-12-02 2018-11-07 SATA GmbH & Co. KG Pistolet de pulvérisation et accessoire
CN107537707B (zh) 2011-06-30 2021-09-03 萨塔有限两合公司 喷枪、喷射介质引导单元、盖子、底座本体及相关方法
ES2924398T3 (es) 2015-03-04 2022-10-06 Martin Ruda 1 Ug Haftungsbeschraenkt Pistola pulverizadora
CA3046732A1 (fr) * 2016-12-12 2018-06-21 3M Innovative Properties Company Pistolet de pulverisation et fixation d'ensemble buse
EP3551337A1 (fr) 2016-12-12 2019-10-16 3M Innovative Properties Company Pistolet de pulvérisation et accessoire formant ensemble buse

Also Published As

Publication number Publication date
WO2022237926A1 (fr) 2022-11-17
DE112022002579A5 (de) 2024-03-21
JP2024519528A (ja) 2024-05-15
US20240278267A1 (en) 2024-08-22
BR112023023661A2 (pt) 2024-01-30
AU2022271552A1 (en) 2023-11-09
CA3217771A1 (fr) 2022-11-17

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