EP2279792B1 - Sprühpistole - Google Patents

Sprühpistole Download PDF

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Publication number
EP2279792B1
EP2279792B1 EP10170320.5A EP10170320A EP2279792B1 EP 2279792 B1 EP2279792 B1 EP 2279792B1 EP 10170320 A EP10170320 A EP 10170320A EP 2279792 B1 EP2279792 B1 EP 2279792B1
Authority
EP
European Patent Office
Prior art keywords
nozzle needle
paint
spray gun
pressure
gun
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
EP10170320.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2279792A1 (de
Inventor
Torsten Bröker
Holger Nickel
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.)
Walther Spritz- und Lackiersysteme GmbH
Original Assignee
Walther Spritz- und Lackiersysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Walther Spritz- und Lackiersysteme GmbH filed Critical Walther Spritz- und Lackiersysteme GmbH
Priority to PL10170320T priority Critical patent/PL2279792T3/pl
Publication of EP2279792A1 publication Critical patent/EP2279792A1/de
Application granted granted Critical
Publication of EP2279792B1 publication Critical patent/EP2279792B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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
    • B05B1/3053—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 the actuating means being a solenoid
    • 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
    • B05B1/306—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 the actuating means being a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • 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
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B05B7/1254—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means being fluid actuated
    • B05B7/1263—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means being fluid actuated pneumatically actuated

Definitions

  • the invention initially relates to a spray gun and a paint storage container according to the features of the preamble of claim 1.
  • a spray gun used in such a system is for example from DE 296 13 565 U1 known.
  • a spray gun which has a fluid-tightly sealed space penetrated by a nozzle needle, wherein the membrane provided for sealing at the same time allows for the opening and closing of the spray gun movement and the space for use as a pressure chamber of a pressurized fluid can be acted upon.
  • FR 2179 304 A1 is a system consisting of a spray gun and a paint storage container known, wherein in the paint storage container located color for entry into the spray gun and for spraying by the spray gun by means of compressed air is pressurized to form a compressed air space in the paint storage container.
  • the invention is concerned with the object of specifying a system consisting of a spray gun and a paint storage container, and a method for actuating a spray gun designed as a gun, in which system or method, a beneficial application of color the color storage container is possible.
  • the measures used to pressurize the space for use as a pressure space by a pressurized fluid also include that the space may be hermetically sealed and fluid therein may be due to movement of the membrane itself when pressure is on the other side the color space prevails, creating the back pressure in the room. It can also be provided that, depending on a typical operating sequence or as a function of a pressure measured on the color side, for example by a piston-cylinder unit, the pressure in the pressure chamber is actively regulated.
  • an additional force is applied in the direction of the closing direction of the nozzle needle as a result of the fact that the space for use as a pressure chamber is acted upon by a fluid under pressure.
  • This additional force is preferably as far as the pressure at which the color is adjusted or corresponds to this pressure so that only a small spring force to achieve the closed position is required.
  • the pressure in the pressure chamber can also be controlled so that the said spring is no longer required as a result.
  • it may be sufficient that the spring is set so that the nozzle needle is securely in the closed position when the ink is depressurized and / or is up to a certain pressure predetermined pressure.
  • the pressure chamber is connected to a separate from the color entry media line.
  • This media line can be further preferably a compressed air line. It can in particular, as will be explained below in more detail, be connected to a compressed air space, which acts at the same time the color.
  • Said membrane which preferably consists of an elastic material, for example a rubber material, preferably a multilayer material, wherein a layer may be a rubber layer, need not necessarily be present as a substantially tensioned membrane. It may also be a bellows-like seal between the two spaces.
  • the fluid which acts on the membrane or just said bellows can also be an oil. It can also be the color itself, for example.
  • the compressed air space of the ink reservoir is preferably connected to the pressure chamber via a compressed air line.
  • the nozzle needle 3 is rearwardly limited by a stop member 6 in their movement.
  • the nozzle needle 3 is in the embodiment, and preferably in the application of the teaching given here, actuated by an electromagnet.
  • a magnetic coil 5 is provided.
  • the nozzle needle 3 is further connected to a pressure plate 7.
  • the pressure plate 7, which consists of two parts 7 'and 7 ", encloses therebetween a membrane 8, which is sealingly received on the edge side in an associated housing part 9.
  • the pressure plate 7 also makes the membrane 8 pressure-tight with the nozzle needle 3
  • the nozzle needle is in the closed position It can be seen that the membrane permits the movement of the nozzle needle 3 required for the opening and closing of the marking gun, which in the exemplary embodiment consists of an elastic material.
  • the nozzle needle 3 is further biased by a compression spring 10 in the closed position.
  • the nozzle needle 3 is received in a receiving plate 11 having a stop plate 12.
  • the receiving part 12 is loosely against the stop member 6, wherein associated with the parting surface in the stop member 6 and an anti-adhesive disc 24 is provided.
  • the compression spring 10 is supported on the one hand on the stop plate 11, on the other hand, the housing side on a paragraph thirteenth
  • the stop member 6 of the nozzle needle further comprises latching formations 14 which cooperate with prestressed detent balls 15.
  • the stop member 6 is screw-mounted in detail in a magnetic protective sleeve 25 and can be adjusted relative thereto by screws in the axial length.
  • the membrane 8 seals a space 16, which is used as a pressure chamber.
  • the space 16 is connected to a compressed air space 17 by means of a compressed air line 18.
  • the compressed air space 17 is located in the exemplary embodiment in a paint storage container 19.
  • By means of the compressed air 20 is in the ink reservoir 19 located color 21 pressurized.
  • About an outside Compressed air source is reached by means of the line 23, the compressed air of the color 21.

Landscapes

  • Nozzles (AREA)
EP10170320.5A 2009-07-27 2010-07-21 Sprühpistole Active EP2279792B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10170320T PL2279792T3 (pl) 2009-07-27 2010-07-21 Pistolet rozpylający

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009026257.1A DE102009026257B4 (de) 2009-07-27 2009-07-27 Sprühpistole

Publications (2)

Publication Number Publication Date
EP2279792A1 EP2279792A1 (de) 2011-02-02
EP2279792B1 true EP2279792B1 (de) 2016-01-06

Family

ID=43034591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10170320.5A Active EP2279792B1 (de) 2009-07-27 2010-07-21 Sprühpistole

Country Status (3)

Country Link
EP (1) EP2279792B1 (pl)
DE (1) DE102009026257B4 (pl)
PL (1) PL2279792T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037432A1 (de) 2010-09-09 2012-03-15 Ferro Gmbh Verfahren zum Auftrag einer funktionalen Schicht, insbesondere Farbe, auf einen keramischen Körper und Vorrichtung zum Auftragen der Schicht
DE102011005996A1 (de) * 2011-03-23 2012-09-27 Kaltenbach & Voigt Gmbh Dosiervorrichtung
CN113909017B (zh) * 2021-11-16 2024-08-23 珠海市睿涂智能科技有限公司 一种利用电磁铁驱动开、关枪动作的无气自动喷枪

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950442C (de) * 1954-12-31 1956-10-11 Krautzberger & Co Verfahren und Vorrichtung zum Betrieb von Farbruehrwerken
ZA728098B (en) 1971-11-18 1973-07-25 Fisher L & Co Ltd Improvements in or relating to spray guns for viscous liquids
FR2179304A5 (pl) 1972-04-06 1973-11-16 Barthalon Maurice
US4142684A (en) * 1975-01-03 1979-03-06 Maschinenfabrik Peter Zimmer Aktiengesellschaft Pulse generator for intermittently energizing an actuating coil of a spray nozzle or the like
DE3834674A1 (de) 1988-10-12 1990-04-19 Bernhard Bruene Zerstaeubungsduese fuer farbstoffe mit unterschiedliche pigmenten
DE29613565U1 (de) 1996-08-07 1997-12-11 Walther Spritz- und Lackiersysteme GmbH, 42327 Wuppertal Spritzpistole

Also Published As

Publication number Publication date
DE102009026257B4 (de) 2024-01-04
PL2279792T3 (pl) 2016-04-29
DE102009026257A1 (de) 2011-02-03
EP2279792A1 (de) 2011-02-02

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