EP2478972B1 - Reinigungsvorrichtung für Spritzpistole - Google Patents

Reinigungsvorrichtung für Spritzpistole Download PDF

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Publication number
EP2478972B1
EP2478972B1 EP12164723.4A EP12164723A EP2478972B1 EP 2478972 B1 EP2478972 B1 EP 2478972B1 EP 12164723 A EP12164723 A EP 12164723A EP 2478972 B1 EP2478972 B1 EP 2478972B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
fluid
cleaning device
outlet
inlet
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.)
Not-in-force
Application number
EP12164723.4A
Other languages
English (en)
French (fr)
Other versions
EP2478972A1 (de
Inventor
Patrick Saint
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.)
Fillon Technologies SAS
Original Assignee
Fillon Technologies SAS
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 FR0901734A external-priority patent/FR2944220B1/fr
Application filed by Fillon Technologies SAS filed Critical Fillon Technologies SAS
Publication of EP2478972A1 publication Critical patent/EP2478972A1/de
Application granted granted Critical
Publication of EP2478972B1 publication Critical patent/EP2478972B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/006—Cabinets or cupboards specially adapted for cleaning articles by hand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/49—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for solvents
    • 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
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • 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
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/006—Devices for cleaning paint-applying hand tools after use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body
    • B65D83/384—Details of the container body comprising an aerosol container disposed in an outer shell or in an external container
    • B65D83/386—Details of the container body comprising an aerosol container disposed in an outer shell or in an external container actuation occurring by moving the aerosol container relative to the outer shell or external container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body
    • B65D83/388—Details of the container body with means for suspending the aerosol container
    • 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
    • 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
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant

Definitions

  • the present invention relates to a cleaning device for a spray gun.
  • Such cleaning machines are already known as illustrated by the patent FR-2903332 . These machines are currently being designed in the sense of reducing the number of operator operations, speed of cleaning, and simplification of the architecture of the machine. The objective is to allow an operator to be able, without disconnecting his gun from the cleaning device, to clean and then to dry the gun while simplifying the architecture of the device, in particular by limiting the length of the ducts and avoiding the passage of fluids of different types within the same conduit to facilitate subsequent cleaning of the device.
  • the patent GB-2,182,266 discloses a paint gun cleaning apparatus according to the preamble of claim 1 having a fluid supply head having a conduit for connection to the spray gun paint inlet, which can be supplied with liquid from the spray gun. cleaning or compressed air. To allow such a power supply, pumps are needed.
  • Gun cleaning facilities are also known through demand WO 2008/084327 and the patent US 2745418 . Again, such facilities are complex and require the presence of pumps, valves ...
  • An object of the present invention is therefore to provide an improved cleaning device whose design allows, with ducts of reduced length and dedicated to a single type of fluid, to carry out, for an operator, cleaning and then drying a gun without disconnecting the gun from said device.
  • Another object of the present invention is to provide a cleaning device of the aforementioned type whose design allows to minimize the stagnation of liquid fluid in the ducts of the cleaning device.
  • the subject of the invention is a cleaning device for a spray gun according to claim 1.
  • the fluid supply inlets are arranged in the immediate vicinity of the feed nozzle and that they are distinct, one serving for supplying cleaning fluid to the nozzle for cleaning the gun, the other to the supply of compressed air to the nozzle for drying said gun, the cleaning of the inlets and cleaning and drying ducts connectable to said inputs is facilitated and the length of said ducts reduced.
  • the supply nozzle is coupled to the frame of the device by means of at least one nozzle holder forming, in cooperation with the nozzle, the feed head of the device. cleaning, said nozzle holder having the shape of a tubular body of vertical axis, equipped at its lower end with the supply nozzle and the fluid supply inlets of said nozzle and open at its upper end to form an opening for introducing a source of cleaning fluid, such as an aerosol container, into said nozzle holder, said aerosol container being adapted to be introduced by its diffuser, that is to say head downwards, inside the nozzle holder until the diffuser comes to fit at least partially inside the inlet of cleaning fluid supply of the feed nozzle opening in the conduit of said feed nozzle.
  • a source of cleaning fluid such as an aerosol container
  • This arrangement makes it possible to dispense with a pump at the level of the cleaning device and to easily adapt the characteristics of the cleaning fluid to depending on the nature of the fluid to be sprayed.
  • the feed nozzle is mounted movably relative to the support frame in the direction of a connection or a spacing of the device of the evacuation means.
  • Such a device can thus be adapted to guns of variable characteristic.
  • each fluid supply inlet of the supply nozzle is an axial outlet with an axis parallel to the longitudinal axis of the duct of the supply nozzle.
  • This arrangement makes it possible to facilitate the flow of fluid into the nozzle and makes it possible to produce an axial fluid supply inlet in which the risks of stagnation of liquid are reduced or even zero.
  • the evacuation means of the cleaning device comprise at least one fluid receiving member intended to be connected at the inlet to the fluid outlet of the gun.
  • the supply nozzle and said receiving member are positioned relative to each other so as to be able to be connected at the same time respectively to said spray gun paint inlet and to the outlet of the spray gun .
  • the operator can, without disconnecting the gun from the cleaning device, proceed to the supply of cleaning fluid, the emptying and drying of the gun.
  • the output of the spray gun to be cleaned comprises at least one axial output of fluid to be sprayed and at least one, preferably a plurality of, preferably radial, output (s), s) outlet (s) of gas under pressure, serving for example to adjust the shape of the fluid flow from the axial outlet
  • said receiving member comprises on the one hand at least one receiving nozzle, preferably of cylindro-conical shape, connected, at the outlet, to means for collecting the flow of sprayed and connectable fluid, at the inlet, with the axial outlet of the fluid stream to be sprayed from the gun, on the other hand at least one inlet gas outlet duct connectable with the at least one gas outlet of said gun and opening out in an area, called evacuation zone gases distinct from the collection means of the sprayed fluid stream.
  • said receiving member comprises, in addition to the receiving nozzle intended to cooperate with the axial outlet of the spray gun, a ring surrounding said nozzle, the inlet of the at least one gas discharge duct being provided between the ring and receiving nozzle.
  • annular seal with a convex outer circumferential surface is housed inside said ring.
  • the seal housed inside the ring, is loaded by a spring and is biased in the bearing position against an inner peripheral circumferential shoulder of the ring.
  • the gas evacuation zone is formed by the ambient air surrounding said cleaning device so that the end of the exhaust duct separate from the collection means of the fluid flow opens out in the open air.
  • the gas evacuation zone being formed by the ambient air surrounding the cleaning device, the support frame comprises, in its so-called rear zone opposite its front opening, at least one, preferably a plurality of openings corresponding to the outlet. in the open air of the exhaust ducts or gases.
  • the user is not hindered by the vapors of the cleaning products and the volume of cleaning fluid to be treated is reduced.
  • the cleaning device which is the subject of the invention, comprises a support frame delimiting a cleaning volume 22, such as a enclosure, adapted to receive at least partially a spray gun to be cleaned.
  • This support frame 2 carries a fluid supply head 3 comprising at least one feed nozzle 5 intended to be connected to the paint inlet 27 of the spray gun to be cleaned.
  • This cleaning device also comprises means 4 for discharging at least a portion of the fluid from the fluid supply head 3.
  • the cleaning device is for cleaning spray guns.
  • a spray gun 26 may be placed partially in the volume 22.
  • the spray gun 26 comprises in particular an inlet 27 for spraying fluid, said entry 27 of paint, an internal conduit and a fluid outlet 28, the internal conduit s extending between the inlet 27 and the fluid outlet 28.
  • Such a gun also has an air inlet 31 connectable to a source of compressed air supply.
  • This inlet 31 of air allows, in particular, to help the fluid to flow from the paint inlet 27 to the fluid outlet 28 and to be ejected from said gun during actuation of the gun trigger.
  • This air inlet 31 also serves to supply a gas outlet 30 of the gun for adjusting the shape of the fluid flow.
  • the outlet 28 of the spray gun to be cleaned comprises at least one axial outlet 29 of spray fluid formed of a gas-liquid mixture, and at least one, preferably a plurality of outlets 30, preferably radial said pressurized gas outlets for adjusting the shape of the fluid flow from the axial outlet.
  • the gas outlets 30 are disposed around the axial outlet 29.
  • a paint bucket (not shown) is connected to the paint inlet 27.
  • the paint passes into the inner duct and exits through the outlet 28, in particular through the axial outlet 29 of spray fluid from the outlet 28.
  • the spray gun 26 is connected to the cleaning device 1, as shown in figure 5 . More specifically, the paint bucket is removed and the paint inlet 27 is connected to the feed nozzle 3 of the feed head 3. Then, the feed head 3 can be controlled to circulate cleaner.
  • the cleaning device 1 comprises at least two independent fluid supply inlets 6, 7 of the supply nozzle 5.
  • Said inlets 6, 7 each have a separate outlet 6A, 7A in the duct of said supply nozzle, said inlets 6, 7 being connectable to one, to a source of cleaning fluid, the other 7 to a source of compressed air.
  • the cleaning fluid feeds the inlet nozzle 6 via the inlet 6 and passes successively through the inlet 27 of FIG. paint, the inner conduit, the outlet 28 of the gun, in particular by the axial outlet 29 of the outlet 28.
  • compressed air supplies, through the inlet 7, the nozzle 5 and passes successively through the paint inlet 27, the inner conduit, the outlet 28 of the gun, in particular the axial outlet 29 of the outlet 28 of the gun. This drying makes it possible to evacuate the cleaning product remaining in the internal conduit of the gun between inlet 27 and outlet 28 of said gun.
  • the frame 2 has the shape of a column provided with a front opening through which the gun is introduced inside the column in the cleaning volume 22.
  • This cleaning volume 22 is delimited at least by the peripheral wall of the frame.
  • the feed head 3 is disposed at or near the top of the frame and therefore extends substantially above the pistol in the introduced state of the gun in the cleaning volume 22.
  • the cleaning device also comprises means 4 for evacuating at least a portion of the fluid coming from the fluid supply head 3 cleaning.
  • the means 4 for discharging the cleaning device comprise at least one fluid receiving member 14 intended to be connected at the inlet to the fluid outlet of the gun 26.
  • the peripheral wall of the frame door on its side facing the interior of the frame, the receiving member 14 which is housed inside the volume 22 cleaning. This receiving member 14 extends substantially opposite the front opening of the frame.
  • the supply nozzle and said receiving member 14 are positioned relative to each other so as to be able to be connected at the same time respectively to said paint spray gun entry port 27 and at the outlet 28 of the spray gun.
  • said receiving member 14 comprises at least one receiving nozzle 15, preferably of cylindro-conical shape, said receiving nozzle 15 being connected, at the outlet, to means 16 for collecting the flow of sprayed and connectable fluid. at the inlet, with the axial outlet 29 of spray fluid from the gun.
  • This input connection makes it possible to orient the flow of fluid towards said collection means 16.
  • Said receiving nozzle 15 is, in the state connected with said axial outlet 29, able to prevent any action of the gas coming from the gas outlets 30 on the fluid flow coming from the axial outlet.
  • the receiving member 14 comprises, in addition to the at least one receiving nozzle 15 connected, at the outlet, to means 16 for collecting the flow of sprayed and connectable fluid, at the inlet, with the axial outlet 29 of the flow of fluid to be sprayed. of the gun, at least one gas discharge duct 17 connectable at the inlet with the at least one gas outlet 30 of said gun and opening out in an area called gas evacuation zone distinct from the means 16 for collecting the flow of gas. sprayed fluid to evacuate the gun's gases into an evacuation zone.
  • This receiving member 14 also comprises, in addition to the receiving nozzle 15 intended to cooperate with the axial outlet 29 of the spray gun and the discharge pipe 17, a ring 18 surrounding said nozzle 15, in particular the frustoconical part of said nozzle 15, the inlet of the at least one evacuation pipe 17 being formed between ring 18 and receiving nozzle 15.
  • An annular seal 19 having a convex outer circumferential surface is housed inside said ring 18.
  • Said at least one gas evacuation conduit 17 has an inlet formed in the volume formed by the space left free between the ring 18 and the receiving nozzle 15, in particular the frustoconical portion of said nozzle 15, and an opposite end or outlet that opens into the gas evacuation zone.
  • the gas evacuation zone is formed by the ambient air surrounding the cleaning device so that the at least one gas evacuation duct opens in the open air.
  • the frame 2 support comprises, in its so-called rear zone, opposite to its front opening, at least one, preferably a plurality of openings corresponding to the outlet to the open air of the exhaust ducts or gases .
  • the seal 19, housed inside the ring 18, is loaded by a spring 20 and is biased into a bearing position against an inner peripheral circumferential shoulder 21 of the ring 18.
  • this seal 19 surrounds the gun barrel with sealing contact and prevents the air exiting from the end of the barrel of the gun by the gas outlets 30 to escape out of the volume delimited by the ring 18, the nozzle 15 and said seal 19 and forming the inlet of the at least one discharge conduit 17.
  • the convex outer peripheral surface of the gasket 19 allows said gasket to be swiveled inside the housing formed by the ring when the gun barrel is introduced inside the gasket until the end of the gun barrel comes into position.
  • this nozzle end is preferably made of an elastically deformable material.
  • the radial outlet 30 gun barrel gas flows into the volume extending between the ring 18, the seal 19 and the nozzle 15 receiving and wherein is formed the inlet of the conduit 17 gas discharge.
  • the seal 19 seals with the barrel of the gun, the clean air is forced to evacuate through the conduit 17 for evacuation of gas and is brought into the atmosphere so that the volume of fluid to be treated collected in the collection means is less than in the state of the art.
  • said receiving member 14 comprises a plurality of gas discharge ducts 17, said ducts being disposed equidistant from the axis of the receiving nozzle 15.
  • the entrances of the gas discharge ducts 17 in the space between the ring 18 and the receiving nozzle 15 are arranged on a center circle located on the central axis of the receiving nozzle. This increases the possibilities of evacuation of gases in the atmosphere.
  • the receiving nozzle has a cylindro-conical shape. This makes it possible to connect the receiving nozzle 15 to guns having paint outlets of different diameters.
  • the cleaning product leaves the feed head 3 and passes successively through the feed nozzle 5, the paint inlet 27, the internal pipe, the outlet 28 of the gun, the receiving member 14 then arrives in the collection means 16.
  • the cleaning product thus flows in a closed circuit from the feed head 3 to the collection means 16.
  • the inlet head 3 can be controlled to pass air under pressure in the closed circuit mentioned above to dry the spray gun and more specifically to evacuate the cleaning product remaining in the internal conduit.
  • the means 16 for collecting the cleaning fluid to be treated are here formed of a duct connected to the outlet of the receiving nozzle 15 and a tank supplied with cleaning fluid to be treated by said duct.
  • This reservoir is a tank housed in a generally removable manner in the base of the support frame to be emptied.
  • the device further comprises fluid evacuation means 4 disposed in the lower part of the cleaning volume 22 of the support frame.
  • this cleaning volume 22 is delimited at least by the peripheral wall of the frame and by an inclined lower wall delimiting a bowl inside the frame to guide a flow to a drain conduit 23 which opens into the duct. supply of the reservoir of the collection means.
  • the bottom wall and the drain duct allow recovery to the product reservoir. cleaning to treat.
  • the feed nozzle 5 is mounted movably relative to the support frame 2 in the direction of an approximation or a spacing of the means 4 for discharging the device.
  • the feed nozzle 5 is driven up and down between a high position remote from the evacuation means 4 and a low position close to said evacuation means 4, said lower position being an adjustable position. function at least of the dimensional characteristics of the spray gun to be cleaned.
  • adjusting the level of the nozzle 5 supply allows to vary its relative position relative to the receiving member 14 and therefore to adapt to guns of different characteristics as illustrated the figures 5 and 6 , said guns being able to differ in the dimensions of the paint inlet, the dimensions of the outlet, the distance and relative orientation between the paint entry and the gun exit.
  • the feed head 3 is in turn represented in greater detail in the figures 1 and 2 .
  • the supply nozzle 5 is coupled to the frame 2 of the cleaning device 1 at least by a nozzle holder 8 forming, in cooperation with the nozzle 5, the feed head 3 of the cleaning device.
  • the nozzle holder 8 has the shape of a vertical axis tubular body equipped at its lower end with the feed nozzle and open at its upper end to form an opening for introducing a source of fluid. cleaning device, such as an aerosol container, inside said nozzle holder 8.
  • the aerosol container 24 is adapted to be introduced by its diffuser 25, that is to say, upside down, inside. of the nozzle holder 8 until the diffuser 25 comes to fit at least partially inside the inlet 6 for supplying cleaning fluid to the feed nozzle 5 opening into the conduit of the nozzle 5 power supply.
  • This inlet 6 is formed by a stepped through duct formed in the bottom 9 of the constituent body of the nozzle holder.
  • This nozzle holder 8 comprises, in addition to this through conduit housing of the aerosol container diffuser 25, communicating with the supply nozzle 5, an air inlet circuit portion connectable at one end to a power supply source. compressed air and opening at its opposite end in said feed nozzle forming an air inlet 7 in said nozzle separate from the cleaning fluid supply inlet 6.
  • Outlet 6A, 7A of each inlet 6, 7 for supplying fluid to the supply nozzle 5 is an axial outlet with an axis parallel to the longitudinal axis of the duct 5 of the supply nozzle.
  • the air inlets 7 and the cleaning fluid inlet 6 in the supply nozzle 5 are thus axial inlets disposed on the large base side of the cone of the frustoconical feed nozzle 5 so as to facilitate the flow of the fluids to the inside the nozzle.
  • the nozzle holder 8 is mounted on said frame, slidably movable in a direction parallel to the longitudinal axis of the tubular body constituting the nozzle holder.
  • nozzle holder 8 and frame 2 are equipped with means such as rails, slides, rolling members, pads or others for sliding mounting of the nozzle holder on said frame.
  • the nozzle holder comprises a cylindrical wall which defines an upwardly open housing for the introduction of the aerosol container into said housing.
  • the bottom of the housing is closed by a bottom wall 9 which has a through duct shouldered preferably central.
  • This conduit opens into the channel of the feed nozzle 5 and is substantially aligned with it.
  • This conduit forms the inlet 6 for supplying cleaning fluid to the nozzle 5.
  • the air inlet 7 is also formed in the bottom wall of the nozzle holder 8 and opens into the feed nozzle via axial passages.
  • This air inlet is formed of a radial air inlet duct to the nozzle holder and connected to a source 33 of compressed air.
  • This conduit opens into an annular volume disposed around the inlet 6 for supplying cleaning fluid to the nozzle.
  • This annular volume is provided with axial passages aligned with the conduit of the feed nozzle.
  • These axial passages form the outlet 7A of the air inlet 7 in the nozzle 5.
  • the supply head 3 also comprises radial handles 13, one of which is shown, which are fixed to the cylindrical wall of the carrier. nozzle 8 and allow the displacement of the feed head 3. It can be seen that the feed nozzle 5 has a frustoconical shape. This makes it possible to connect the feed nozzle to guns having paint entries of different diameters.
  • An aerosol container 24 is arranged in the housing formed in the nozzle holder 8, upside down.
  • the aerosol container 24 comprises a bottom, possibly a dip tube and a diffuser 25. Cleaner and propellant under pressure are contained in the container 24.
  • the diffuser 25 is arranged in abutment in the conduit through the bottom wall of the nozzle holder.
  • the aerosol container 24 can slide in the housing. Thus, if a user presses on the bottom of the container 24, the container 24 approaches the diffuser 25, which causes the opening of a valve (not shown) of the aerosol container 24. The cleaning product contained in the container 25 is then expelled and passes into the diffuser 25, the inlet 6 and the feed nozzle 5.
  • the aerosol container 24 can be easily placed in the housing, and easily replaced when empty. In addition, a mixture of cleaner and propellant is expelled. Thus, by choosing the cleaning product and the shape of the diffuser appropriately, it is possible to expel the cleaning product in the form of foam and to improve the cleaning ability.
  • the feed head 3 can have a simple structure so that it is not necessary to provide a pump or a valve for cleaner.
  • the cleaning device could comprise a cleaner pump or be connected to the dispensing water as a cleaning product.
  • the gun is positioned on the receiving member.
  • the feed head 3 and thus the nozzle 5 are lowered to a position of connection with the paint inlet of the gun.
  • the aerosol container is pressed until the gun inlet is filled.
  • the gun is drained by pressing the gun trigger. Bearing operations are repeated on the aerosol container and drain as many times as necessary.
  • the gun is dried by sending compressed air through the paint inlet of said gun. We go back the head 3 and the associated nozzle 5.
  • the gun is extracted from the cleaning zone 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Nozzles (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Claims (12)

  1. Reinigungsvorrichtung (1) für Spritzpistole (26) der Bauart, die mindestens einen Spritzfluideingang (27), als Farbeingang (27) bezeichnet, und einen Fluidausgang (28) aufweist, der mindestens einen axialen Spritzfluidausgang (29) und mindestens einen, vorzugsweise eine Vielzahl vorzugsweise radialer, als Druckgasausgang (30) bezeichnete Ausgänge (30) umfasst, die beispielsweise zur Regulierung der Form des Fluidstroms aus dem axialen Ausgang (29) dienen, wobei die Reinigungsvorrichtung (1) mindestens einen Stützrahmen (2), einen Fluidversorgungskopf (3), der von dem Rahmen (2) getragen wird, und Ableitungsmittel (4) mindestens eines Teils des Fluids aus dem Fluidversorgungskopf (3) umfasst, wobei der Fluidversorgungskopf (3) mindestens eine Versorgungsdüse (5) aufweist, die eine Leitung begrenzt, die dazu bestimmt ist, mit dem Farbeingang (27) der Spritzpistole verbunden zu sein, wobei die Reinigungsvorrichtung (1) mindestens zwei unabhängige Fluidversorgungseingänge (6, 7) der Versorgungsdüse (5) aufweist, wobei die Eingänge (6, 7) jeweils eine unterschiedliche Mündung (6A, 7A) in die Leitung der Versorgungsdüse (5) aufweisen, wobei die Eingänge (6, 7) zum einen (6) mit einer Reinigungsfluidquelle und zum anderen (7) mit einer Druckluftquelle verbindbar sind, wobei die Ableitungsmittel (4) der Reinigungsvorrichtung mindestens ein Fluidempfangsorgan (14) umfassen, das dazu bestimmt ist, eingangs mit dem Fluidausgang (28) der Pistole (26) verbunden zu sein, wobei das Empfangsorgan (14) einerseits mindestens eine vorzugsweise zylindrisch-konische Empfangsdüse (15) umfasst, die ausgangs mit Sammelmitteln (16) des Spritzfluidstroms verbunden ist und eingangs mit dem axialen Ausgang (29) des Spritzfluidstroms der Pistole verbindbar ist, dadurch gekennzeichnet, dass das Empfangsorgan andererseits mindestens eine Gasableitungsleitung (17) umfasst, die eingangs mit dem mindestens einen Gasausgang (30) der Pistole verbindbar ist und ausgangs in eine sogenannte Gasableitungszone mündet, die sich von den Sammelmitteln (16) des Spritzfluidstroms unterscheidet.
  2. Reinigungsvorrichtung (1) nach Anspruch 1,
    dadurch gekennzeichnet, dass die Versorgungsdüse (5) mit dem Rahmen (2) der Vorrichtung (1) über mindestens einen Düsenhalter (8) gekoppelt ist, der in Zusammenarbeit mit der Düse (5) den Versorgungskopf (3) der Reinigungsvorrichtung bildet, wobei der Düsenhalter (8) die Form eines rohrförmigen Körpers mit einer vertikalen Achse hat, der an seinem unteren Ende mit der Versorgungsdüse (5) und Fluidversorgungseingängen der Düse ausgestattet ist und an seinem oberen Ende offen ist, um eine Einführöffnung einer Reinigungsfluidquelle wie eines Aerosolbehälters (24) in den Düsenhalter (8) zu bilden, wobei der Aerosolbehälter (24) imstande ist, mit seinem Zerstäuber (25), das heißt mit dem Kopf nach unten, in den Düsenhalter (8) eingeführt zu sein, bis sich der Zerstäuber (25) mindestens teilweise in den Reinigungsfluidversorgungseingang (6) der Versorgungsdüse (5) einfügt, der in die Leitung der Versorgungsdüse (5) mündet.
  3. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 und 2,
    dadurch gekennzeichnet, dass die Versorgungsdüse (5) im Verhältnis zum Stützrahmen (2) in Richtung einer Annäherung oder einer Entfernung der Ableitungsmittel (4) der Vorrichtung beweglich montiert ist.
  4. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 bis 3,
    dadurch gekennzeichnet, dass die Versorgungsdüse (5) zwischen einer hohen Position entfernt von dem Ableitungsmitteln (4) und einer niedrigen Position in der Nähe der Ableitungsmittel (4) nach oben und nach unten beweglich montiert ist, wobei die niedrige Position eine Position ist, die in Abhängigkeit von mindestens den Größenmerkmalen der zu reinigenden Spritzpistole einstellbar ist.
  5. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, dass die Mündung (6A, 7A) jedes Fluidversorgungseingangs (6, 7) der Versorgungsdüse (5) eine axiale Mündung mit einer Achse ist, die parallel zur Längsachse der Leitung der Versorgungsdüse (5) ist.
  6. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 bis 5,
    dadurch gekennzeichnet, dass die Versorgungsdüse (5) und das Empfangsorgan (14) zueinander derart positioniert sind, dass sie imstande sind, gleichzeitig jeweils mit dem Farbeingang (27) der Spritzpistole (26) und dem Ausgang (28) der Spritzpistole verbunden zu sein.
  7. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 bis 6,
    dadurch gekennzeichnet, dass die Versorgungsdüse (5) und das Empfangsorgan (14) auf dem Stützrahmen (2) montiert sind, wobei ein Reinigungsvolumen definiert wird, in dem sich das Empfangsorgan (14) befindet und in das mindestens teilweise die zu reinigende Pistole einführbar ist, wobei die Versorgungsdüse (5) mindestens eine Position besitzt, in der sie mindestens teilweise im Reinigungsvolumen angeordnet ist.
  8. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, dass das Empfangsorgan (14) neben der Empfangsdüse (15), die zur Zusammenarbeit mit dem axialen Ausgang (29) der Spritzpistole bestimmt ist, einen Ring (18) umfasst, der die Düse (15) umschließt, wobei der Eingang der mindestens einen Ableitungsleitung (17) zwischen Ring (18) und Empfangsdüse (15) ausgebildet ist.
  9. Reinigungsvorrichtung (1) nach Anspruch 8,
    dadurch gekennzeichnet, dass in dem Ring (18) eine ringförmige Dichtung (19) mit außen konvexer Umfangsfläche untergebracht ist.
  10. Reinigungsvorrichtung (1) nach Anspruch 9,
    dadurch gekennzeichnet, dass die im Ring (18) untergebrachte Dichtung (19) von einer Feder betätigt wird und in Abstützposition gegen einen internen peripheren Umfangsabsatz des Rings (18) zurückgestellt wird.
  11. Reinigungsvorrichtung (1) nach einem der Ansprüche 1 bis 10,
    dadurch gekennzeichnet, dass die Gasableitungszone von der Umgebungsluft gebildet wird, die die Reinigungsvorrichtung umgibt, so dass das Ende der Ableitungsleitung (17), das sich von den Fluidstromsammelmitteln (16) unterscheidet, in die freie Luft mündet.
  12. Reinigungsvorrichtung (1) nach Anspruch 11,
    dadurch gekennzeichnet, dass die Gasableitungszone von der Umgebungsluft gebildet wird, die die Reinigungsvorrichtung umgibt, wobei der Stützrahmen (2) in seiner hinteren Zone, die zu seiner Frontöffnung entgegengesetzt ist, mindestens eine, vorzugsweise eine Vielzahl von Öffnungen aufweist, die der Mündung der Gasableitungsleitung(en) in die freien Luft entspricht.
EP12164723.4A 2009-04-08 2010-03-31 Reinigungsvorrichtung für Spritzpistole Not-in-force EP2478972B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0901734A FR2944220B1 (fr) 2009-04-08 2009-04-08 Nettoyage de pistolet de pulverisation
FR0901735A FR2944221B1 (fr) 2009-04-08 2009-04-08 Dispositif de nettoyage pour pistolet de pulverisation
EP10718636.3A EP2416895B1 (de) 2009-04-08 2010-03-31 Vorrichtung zur reinigung von spritzpistolen

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP10718636.3 Division 2010-03-31
EP10718636.3A Division EP2416895B1 (de) 2009-04-08 2010-03-31 Vorrichtung zur reinigung von spritzpistolen

Publications (2)

Publication Number Publication Date
EP2478972A1 EP2478972A1 (de) 2012-07-25
EP2478972B1 true EP2478972B1 (de) 2014-04-30

Family

ID=42936636

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10718636.3A Not-in-force EP2416895B1 (de) 2009-04-08 2010-03-31 Vorrichtung zur reinigung von spritzpistolen
EP12164723.4A Not-in-force EP2478972B1 (de) 2009-04-08 2010-03-31 Reinigungsvorrichtung für Spritzpistole

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10718636.3A Not-in-force EP2416895B1 (de) 2009-04-08 2010-03-31 Vorrichtung zur reinigung von spritzpistolen

Country Status (7)

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US (1) US9192969B2 (de)
EP (2) EP2416895B1 (de)
BR (1) BRPI1015960A2 (de)
CA (1) CA2757385C (de)
FR (1) FR2944221B1 (de)
PL (1) PL2416895T3 (de)
WO (1) WO2010116070A2 (de)

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CN105170579A (zh) * 2015-09-30 2015-12-23 舒恒管夹制造有限公司 液压管道杂物清理装置

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DE102007012859B4 (de) * 2007-03-17 2009-01-02 Josef Albrecht Bohrfutterfabrik Gmbh & Co. Kg Spülbares Futter
FR2994111B1 (fr) * 2012-07-31 2014-08-22 Fillon Technologies Dispositif de nettoyage pour pistolet de pulverisation
CN102989704A (zh) * 2012-11-26 2013-03-27 吴江市金真缝纫机有限公司 喷气织机喷嘴的清洗装置及清洗方法
CN106345720B (zh) * 2015-07-17 2019-04-30 沈阳芯源微电子设备有限公司 一种喷涂用喷嘴自动清洗装置及其清洗方法
CN109225735B (zh) * 2018-10-25 2024-05-28 中国计量大学 喷枪清洗机
DE102018130809A1 (de) 2018-12-04 2020-06-04 Dürr Systems Ag Auffangvorrichtung für Spülmedien eines Zerstäubers
US11213846B1 (en) 2021-02-22 2022-01-04 Cnh Industrial America Llc Systems and methods for a product system of an agricultural applicator
CN118681716A (zh) * 2024-08-22 2024-09-24 泰兴市南磷化工有限公司 一种黄磷高效安全供磷喷枪

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US2745418A (en) * 1953-08-10 1956-05-15 John A Balcom Apparatus for cleaning paint spray guns and containers utilized in conjunction therewith
US3771539A (en) * 1972-05-19 1973-11-13 Santis B De Paint gun cleaner
GB8527244D0 (en) * 1985-11-05 1985-12-11 Roberts G S Cleaning spray painting guns
WO2008084327A2 (en) * 2006-07-31 2008-07-17 Chemchamp (Barbados) Inc. Paint gun washer station for paint guns and the like
US7785420B2 (en) 2006-08-01 2010-08-31 Hedson Technologies Ab Method for cleaning a spray gun

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Publication number Priority date Publication date Assignee Title
CN105170579A (zh) * 2015-09-30 2015-12-23 舒恒管夹制造有限公司 液压管道杂物清理装置

Also Published As

Publication number Publication date
CA2757385A1 (fr) 2010-10-14
FR2944221B1 (fr) 2012-03-09
EP2416895B1 (de) 2013-08-07
WO2010116070A2 (fr) 2010-10-14
WO2010116070A3 (fr) 2011-01-06
PL2416895T3 (pl) 2014-01-31
EP2478972A1 (de) 2012-07-25
US9192969B2 (en) 2015-11-24
BRPI1015960A2 (pt) 2016-04-26
FR2944221A1 (fr) 2010-10-15
CA2757385C (fr) 2016-12-13
US20120042912A1 (en) 2012-02-23
EP2416895A2 (de) 2012-02-15

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