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EP1294490B1 - Pistolet-pulverisateur - Google Patents

Pistolet-pulverisateur Download PDF

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Publication number
EP1294490B1
EP1294490B1 EP01967097A EP01967097A EP1294490B1 EP 1294490 B1 EP1294490 B1 EP 1294490B1 EP 01967097 A EP01967097 A EP 01967097A EP 01967097 A EP01967097 A EP 01967097A EP 1294490 B1 EP1294490 B1 EP 1294490B1
Authority
EP
European Patent Office
Prior art keywords
compressed air
pressure
spray gun
gun according
regulating
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.)
Expired - Lifetime
Application number
EP01967097A
Other languages
German (de)
English (en)
Other versions
EP1294490A1 (fr
Inventor
Ewald Schmon
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.)
SATA GmbH and Co KG
Original Assignee
SATA GmbH and Co KG
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 SATA GmbH and Co KG filed Critical SATA GmbH and Co KG
Publication of EP1294490A1 publication Critical patent/EP1294490A1/fr
Application granted granted Critical
Publication of EP1294490B1 publication Critical patent/EP1294490B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B05B12/006—Pressure or flow rate sensors
    • B05B12/008—Pressure or flow rate sensors integrated in or attached to a discharge apparatus, e.g. a spray 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
    • B05B7/24—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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • 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

Definitions

  • the invention relates to a paint spray gun according to the preamble of claim 1.
  • an injection pressure may e.g. to color changes in the basecoat, to an increase in the orange peel structure in the clear coat and varnish and to reduce the operating speed and possibly the beam width.
  • too low an injection pressure may e.g. to color changes in the basecoat, to an increase in the orange peel structure in the clear coat and varnish and to reduce the operating speed and possibly the beam width.
  • too high an injection pressure can lead to excessive atomization of the spray material and thus lead to greater losses and undesirable stress on the working environment.
  • the available pressure should be monitored, e.g. to detect a possible pressure drop due to additional consumers in the compressed air line network or a pressure increase due to the addition of resources.
  • a pressure control valve with pressure gauge On the pressure gauge can be read via a knob on the pressure control valve adjustable pressure.
  • this arranged at the air inlet of the paint spray gun pressure control valve with pressure gauge leads to an extension of the spray gun, whereby their handiness is deteriorated.
  • the pressure gauge or the pressure regulating valve due to the inner deflections leads to a pressure drop.
  • the usually screwed pressure control valve must be dismantled for cleaning the spray gun in washing or cleaning basins, since the accuracy of the manometer can be affected by penetrating solvent or paint or paint residues.
  • the pressure control valve with the pressure gauge must therefore be unscrewed during each cleaning process, which is associated with a considerable amount of work.
  • the object of the invention is to provide a compact and handy spray gun with a simple to monitor during spraying pressure gauge.
  • the pressure measuring device is integrated in the device for regulating the compressed air supply.
  • an analogue or digital display executable display device is arranged on an actuator of the pressure regulating device that it is readable from behind. This results in the advantage that the pressure indication during spraying is always in the field of vision.
  • the pressure transducer communicates with the compressed air supply channel only via a capillary and is otherwise in communication with the other components the pressure measuring device hermetically sealed to the outside.
  • a capillary By means of this capillary, it is possible to prevent the solvents, paint or ink residues used for cleaning the spray gun from reaching the area of the pressure transducer and thus impairing or preventing a proper pressure measurement.
  • the paint spray gun according to the invention can be cleaned without disassembly of the measuring device, with no danger to the generally sensitive pressure transducer.
  • the spray gun shown in Figs. 1 and 2 includes a gun body 1 with a handle 2 and an upper part 3, on which a suspension hook 4 is formed. Through the upper part 3 extends from the front to the rear continuous and multi-stepped through hole 5, in which a nozzle needle 6 is guided axially displaceable.
  • the through hole 5 forms in a front region an enlarged receiving space 7, in which an oblique inlet bore 8 opens to the attachment of a color receiving container, not shown.
  • a nozzle assembly 9 is mounted, which contains a fixable by means of a thread on the upper part 3 of the gun body 1 paint nozzle 10.
  • the paint nozzle 10 has at its front end a nozzle bore 11 which, together with a tapered front end portion of an actuating lever 12 axially movable nozzle needle 6 an adjustable inlet for the paint, the paint or the like.
  • the actuating lever 12 is connected to the nozzle needle 6 so that it is displaced against the force of a spring 13 when retracting the actuating lever 12 to the rear and opens the nozzle bore 11 for dispensing the color.
  • the bias of the compression spring 13 is adjustable.
  • the actuating lever 12 is also a valve assembly 17 via a rod 16 for controlling the compressed air supply to the nozzle assembly 9 actuated.
  • the valve assembly 17 includes a closing cone 18 connected to the rod 16 and a valve seat 20 provided in a bore 19 in the gun body 1, against which the closing cone 18 is pressed by a spring 21.
  • the locking cone 18 Upon retraction of the actuating lever 12, the locking cone 18 is lifted against the force of the spring 21 via the rod 16 from the valve seat 20, wherein a connection between an upstream of the valve assembly 17 located lower part 22 and a downstream of the valve assembly 17 located upper part 23 of a compressed air supply channel the compressed air supply to the nozzle assembly 9 is opened.
  • On the underside of the handle 2 a communicating with the lower part 22 of the compressed air supply channel in communication compressed air connection 24 is arranged for a compressed air line.
  • the compressed air is passed to an air guide system 25 and from there to an annular gap 26 which surrounds the nozzle bore 11.
  • the compressed air generated in the region of the nozzle bore 11 a vacuum through which the ink is sucked out of the nozzle bore 11 and entrained with the compressed air to form an omnidirectional jet.
  • About so-called horn air holes 27 in projecting horns 28 of the paint nozzle 10 surrounding air cap 29 may also emerge the compressed air for forming the round jet in a flat jet.
  • the air cap 29 can be attached via a union nut 30 to the upper part 3 of the housing 1.
  • a device for regulating the supply of compressed air is also arranged.
  • This device includes a rotatable sleeve 31 having a transverse bore 32 in the region of the mouth of the lower part 22 of the compressed air supply channel into the bore 19.
  • the sleeve 31 is rotatably connected to a rear receiving part 33 which is arranged rotatably at the rear end of the bore 19. By rotation of the receiving part 33 can thus also the sleeve 31 is rotated and thus the air passage in the transverse bore 32 are regulated.
  • a recess is provided with a pressure-sensing space 34 for, for example, a piezoelectric pressure sensor 35 of a pressure measuring device for detecting and displaying the available pressure.
  • the pressure-detecting chamber 34 is connected via a running in the axial direction of the receiving part 33 capillary 36 with the compressed air supply channel in connection.
  • the pressure in the upstream of the valve assembly lying part 22 of the compressed air supply channel without interference be detected by check valves or the like.
  • This capillary 36 advantageously has a diameter between 0.5 and 1.8 mm.
  • a housing 37 is also attached, in which a circuit arrangement 38 for converting and / or evaluation of the signals of the pressure transducer 35, a - not shown - battery for power supply and a digital display device 39 shown in FIG. 2 is housed.
  • the connection between the receiving part 35 and the housing 37 is completely sealed, so that no detergent or the like passes through it to the sensitive components of the pressure measuring device.
  • the housing 37 is expediently designed as a rotary knob.
  • the invention is not limited to the embodiment described above and shown in the drawing. Thus, e.g. Instead of piezoelectric pressure transducer and other suitable pressure transducer or pressure sensors are used. In addition, within the scope of the main claim, the pressure transducers may also be attached to other suitable locations.

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)

Abstract

L"invention concerne un pistolet-pulvérisateur comprenant un corps pistolet (1), un système de buses (9) placé sur le corps pistolet (1), un canal d"alimentation en air comprimé (22, 23) placé dans le corps pistolet (1) et doté d"un système de valves (17) destiné à commander l"alimentation en air comprimé du système de buses (9), un dispositif de réglage (6, 13) destiné à régler l"alimentation en agent de pulvérisation, un élément de commande (12) destiné à actionner le système de valves (17) et le dispositif de réglage (6, 13), un équipement (31, 33, 37) destiné à la régulation de l"alimentation en air comprimé du système de buses (9) et un manomètre (35, 38, 39) destiné à détecter et à afficher la pression régnant dans le canal d"alimentation en air comprimé (22, 23). Pour créer un pistolet-pulvérisateur compact et maniable, doté d"un manomètre facile à surveiller pendant la pulvérisation, le manomètre (35, 38, 39) est intégré à l"équipement (31, 33, 37) destiné à la régulation de l"alimentation en air comprimé.

Claims (10)

  1. Pistolet pulvérisateur comprenant
    - un corps de pistolet (1),
    - une buse (9) disposée sur le corps de pistolet (1),
    - un conduit d'amenée d'air comprimé (22, 23) disposé sur le corps de pistolet (1), qui comporte une soupape (17) destinée à commander l'alimentation de la buse (9) en air comprimé,
    - un dispositif de réglage (6, 13) pour régler l'arrivée du produit à pulvériser,
    - un élément d'actionnement (12) pour actionner la soupape (17) et le dispositif de réglage (6, 13),
    - un dispositif (31, 33, 37) pour régler l'alimentation de la buse (9) en air comprimé, et
    - un dispositif capteur de pression (35, 38, 39) pour relever et afficher la pression régnant dans le conduit d'amenée d'air comprimé (22),
    caractérisé en ce que le dispositif capteur de pression (35, 38, 39) est intégré dans le dispositif (31, 33, 37) pour régler l'alimentation en air comprimé.
  2. Pistolet pulvérisateur selon la revendication 1, caractérisé en ce que le dispositif (31, 33, 37) pour régler l'alimentation en air comprimé comporte une douille (31) dotée d'un perçage transversal (32) et pouvant être déplacée par un organe de réglage (33, 37), afin de régler une section de passage du conduit d'amenée d'air comprimé (22, 23).
  3. Pistolet pulvérisateur selon la revendication 2, caractérisé en ce que le dispositif capteur de pression (35, 38, 39) renferme un capteur de pression (35) situé dans l'organe de réglage (33, 37).
  4. Pistolet pulvérisateur selon la revendication 2 ou 3, caractérisé en ce que le dispositif capteur de pression (35, 38, 39) renferme un dispositif d'affichage (39) intégré dans l'organe de réglage (33, 37).
  5. Pistolet pulvérisateur selon la revendication 3 ou 4, caractérisé en ce que l'organe de réglage (33, 37) présente un élément de réception (33) solidaire de la douille (31) et un boîtier (37) assemblé avec l'élément de réception.
  6. Pistolet pulvérisateur selon la revendication 5, caractérisé en ce que le capteur de pression (35) est logé dans l'élément de réception (33) et le dispositif d'affichage (39) dans le boîtier (37).
  7. Pistolet pulvérisateur selon la revendication 6, caractérisé en ce que le dispositif d'affichage (39) est disposé sur une face frontale arrière du boîtier (37).
  8. Pistolet pulvérisateur selon l'une des revendications 3 à 7, caractérisé en ce que le capteur de pression (35) communique avec le conduit d'amenée d'air comprimé (22, 23) par l'intermédiaire d'un capillaire (36).
  9. Pistolet pulvérisateur selon l'une des revendications 2 à 8, caractérisé en ce que l'organe de réglage (33, 37) est réalisé en tant que bouton de réglage.
  10. Pistolet pulvérisateur selon l'une des revendications 4 à 9, caractérisé en ce que le dispositif d'affichage (39) est réalisé en tant qu'affichage digital.
EP01967097A 2000-06-30 2001-06-27 Pistolet-pulverisateur Expired - Lifetime EP1294490B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10031858 2000-06-30
DE10031858A DE10031858B4 (de) 2000-06-30 2000-06-30 Spritzpistole
PCT/EP2001/007323 WO2002000355A1 (fr) 2000-06-30 2001-06-27 Pistolet-pulverisateur

Publications (2)

Publication Number Publication Date
EP1294490A1 EP1294490A1 (fr) 2003-03-26
EP1294490B1 true EP1294490B1 (fr) 2007-06-13

Family

ID=7647327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01967097A Expired - Lifetime EP1294490B1 (fr) 2000-06-30 2001-06-27 Pistolet-pulverisateur

Country Status (6)

Country Link
US (1) US6845924B2 (fr)
EP (1) EP1294490B1 (fr)
JP (1) JP4776141B2 (fr)
CN (1) CN1167514C (fr)
DE (1) DE10031858B4 (fr)
WO (1) WO2002000355A1 (fr)

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DE202009006562U1 (de) 2009-05-07 2010-09-30 Sata Gmbh & Co. Kg Spritzpistole mit Druckmesseinrichtung
DE102009020194A1 (de) 2009-05-07 2010-11-11 Sata Gmbh & Co. Kg Spritzpistole mit Druckmesseinrichtung
US8925836B2 (en) 2008-10-29 2015-01-06 Sata Gmbh & Co. Kg Gravity cup for a paint sprayer
USD740393S1 (en) 2013-09-27 2015-10-06 Sata Gmbh & Co. Kg Paint spray gun
US9327301B2 (en) 2008-03-12 2016-05-03 Jeffrey D. Fox Disposable spray gun cartridge
USD758537S1 (en) 2014-07-31 2016-06-07 Sata Gmbh & Co. Kg Paint spray gun rear portion
US9409197B2 (en) 2013-12-18 2016-08-09 Sata Gmbh & Co. Kg Air nozzle closure for a spray gun
USD768820S1 (en) 2014-09-03 2016-10-11 Sata Gmbh & Co. Kg Paint spray gun with pattern
USD770593S1 (en) 2014-07-31 2016-11-01 Sata Gmbh & Co. Kg Paint spray gun
US9533317B2 (en) 2009-07-08 2017-01-03 Sata Gmbh & Co. Kg Paint spray gun
DE202019103497U1 (de) * 2019-06-25 2020-10-06 Sata Gmbh & Co. Kg Spritzpistole, insbesondere Farbspritzpistole

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EP2726212B2 (fr) 2011-06-30 2023-07-12 SATA GmbH & Co. KG Pistolet-pulvérisateur facile à nettoyer, accessoires pour ce pistolet-pulvérisateur, procédé de montage et de démontage
TWI461566B (zh) * 2011-07-01 2014-11-21 Ind Tech Res Inst 鍍膜用噴灑頭以及鍍膜裝置
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DE102015006484A1 (de) 2015-05-22 2016-11-24 Sata Gmbh & Co. Kg Düsenanordnung für eine Spritzpistole, insbesondere Farbspritzpistole und Spritzpistole, insbesondere Farbspritzpistole
CN105251628A (zh) * 2015-08-28 2016-01-20 宁波市创佳工业设计有限公司 一种新型美容喷枪
DE102015016474A1 (de) 2015-12-21 2017-06-22 Sata Gmbh & Co. Kg Luftkappe und Düsenanordnung für eine Spritzpistole und Spritzpistole
JP6233861B1 (ja) * 2016-07-06 2017-11-22 株式会社エアーサーフ 噴霧器
CN205995666U (zh) 2016-08-19 2017-03-08 萨塔有限两合公司 喷枪及其扳机
CN205966208U (zh) 2016-08-19 2017-02-22 萨塔有限两合公司 风帽组件以及喷枪
CN107335555B (zh) * 2016-12-13 2019-04-16 安徽江淮汽车集团股份有限公司 汽车自动涂胶系统及方法
US11490946B2 (en) * 2017-12-13 2022-11-08 Uptake Medical Technology Inc. Vapor ablation handpiece
CN108187941A (zh) * 2017-12-27 2018-06-22 安徽星博电气科技有限公司 一种高压柜地线施工高效防腐处理装置
DE102018118737A1 (de) 2018-08-01 2020-02-06 Sata Gmbh & Co. Kg Düse für eine Spritzpistole, Düsensatz für eine Spritzpistole, Spritzpistolen und Verfahren zur Herstellung einer Düse für eine Spritzpistole
CN112533705B (zh) 2018-08-01 2023-07-04 萨塔有限两合公司 喷枪的喷嘴组、喷枪系统、制造喷嘴模块的方法、为上漆任务从喷嘴组选出喷嘴模块的方法、选择系统和计算机程序产品
DE102018118738A1 (de) 2018-08-01 2020-02-06 Sata Gmbh & Co. Kg Grundkörper für eine Spritzpistole, Spritzpistolen, Spritzpistolen-Set, Verfahren zur Herstellung eines Grundkörpers für eine Spritzpistole und Verfahren zum Umrüsten einer Spritzpistole
DE102020123769A1 (de) 2020-09-11 2022-03-17 Sata Gmbh & Co. Kg Dichtelement zum Abdichten eines Übergangs zwischen einem Grundkörper einer Spritzpistole und einem Anbauteil einer Spritzpistole, Anbauteil, insbesondere Farbdüsenanordnung, für eine Spritzpistole und Spritzpistole, insbesondere Farbspritzpistole
DE102023135506A1 (de) * 2023-12-18 2025-06-18 Sata Gmbh & Co. Kg Lackierpistole

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9327301B2 (en) 2008-03-12 2016-05-03 Jeffrey D. Fox Disposable spray gun cartridge
US8925836B2 (en) 2008-10-29 2015-01-06 Sata Gmbh & Co. Kg Gravity cup for a paint sprayer
DE102009020194A1 (de) 2009-05-07 2010-11-11 Sata Gmbh & Co. Kg Spritzpistole mit Druckmesseinrichtung
WO2010127766A3 (fr) * 2009-05-07 2011-03-10 Sata Gmbh & Co. Kg Pistolet de pulvérisation muni d'un dispositif de mesure de pression
DE202009006562U1 (de) 2009-05-07 2010-09-30 Sata Gmbh & Co. Kg Spritzpistole mit Druckmesseinrichtung
US9533317B2 (en) 2009-07-08 2017-01-03 Sata Gmbh & Co. Kg Paint spray gun
USD740393S1 (en) 2013-09-27 2015-10-06 Sata Gmbh & Co. Kg Paint spray gun
US9409197B2 (en) 2013-12-18 2016-08-09 Sata Gmbh & Co. Kg Air nozzle closure for a spray gun
USD758537S1 (en) 2014-07-31 2016-06-07 Sata Gmbh & Co. Kg Paint spray gun rear portion
USD770593S1 (en) 2014-07-31 2016-11-01 Sata Gmbh & Co. Kg Paint spray gun
USD798419S1 (en) 2014-07-31 2017-09-26 Sata Gmbh & Co. Kg Paint spray gun
USD768820S1 (en) 2014-09-03 2016-10-11 Sata Gmbh & Co. Kg Paint spray gun with pattern
DE202019103497U1 (de) * 2019-06-25 2020-10-06 Sata Gmbh & Co. Kg Spritzpistole, insbesondere Farbspritzpistole

Also Published As

Publication number Publication date
US6845924B2 (en) 2005-01-25
CN1167514C (zh) 2004-09-22
WO2002000355A1 (fr) 2002-01-03
JP2004501746A (ja) 2004-01-22
EP1294490A1 (fr) 2003-03-26
DE10031858B4 (de) 2008-07-03
US20030164408A1 (en) 2003-09-04
DE10031858A1 (de) 2002-01-17
JP4776141B2 (ja) 2011-09-21
CN1429135A (zh) 2003-07-09

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