CN102451801A - Spray gun and coating system - Google Patents
Spray gun and coating system Download PDFInfo
- Publication number
- CN102451801A CN102451801A CN2011103141169A CN201110314116A CN102451801A CN 102451801 A CN102451801 A CN 102451801A CN 2011103141169 A CN2011103141169 A CN 2011103141169A CN 201110314116 A CN201110314116 A CN 201110314116A CN 102451801 A CN102451801 A CN 102451801A
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- Prior art keywords
- flow path
- coating
- spray gun
- coated
- open
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Classifications
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- 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
- B05B7/1272—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means being fluid actuated pneumatically actuated actuated by gas involved in spraying, i.e. exiting the nozzle, e.g. as a spraying or jet shaping gas
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- 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
- B05B7/2489—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 an atomising fluid, e.g. a gas, being supplied to the discharge device
- B05B7/2491—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 an atomising fluid, e.g. a gas, being supplied to the discharge device characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
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- 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
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
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- 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
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- 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
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
- B05B12/1409—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet the selection means being part of the discharge apparatus, e.g. part of the spray gun
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- 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
- B05B7/0876—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 parallel jets constituted by a liquid or a mixture containing a liquid
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- 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
Landscapes
- Nozzles (AREA)
- Spray Control Apparatus (AREA)
Abstract
The present invention relates to a spray gun and a coating system. The spray gun of the invention is provided with a body (250,30) and an opening/closing valve (40). The body (250,30) is provided with a plurality of paint flow paths (21), paint discharge holes (21b) which are respectively provided at one end of each paint flow path, and an air flow path (22) which supplies compressed air for atomizing the paint that is discharged from the paint discharge holes (21b), wherein the opening/closing valve (40) is provided on the body (20) and performs opening/closing on the paint flow paths (21).
Description
Technical field
The present invention relates to for coating atomizing and cover with paint, lacquer, colour wash, etc. at the spray gun that is used by spray jewelry, and use the Finish System of this spray gun.
Background technology
In industrial product, the inwall of building, outer wall, the such quilts such as fabrication of bridge such as car body, tame electrical article, furniture being coated with the covering with paint that jewelry adheres to coating, being widely used has the spray gun of the formation that the coating atomizing of discharging is sprayed.
In addition, as this spray gun, the spray gun that also provides a kind of multiple coating atomizing that can color be differed from one another and cover with paint, lacquer, colour wash, etc. polychrome coating simultaneously (below be also referred to as polychrome cover with paint, lacquer, colour wash, etc. use spray gun).
This spray gun for example is disclosed in No. 3451164 communique of japanese, No. 3946881 communique of japanese and TOHKEMY 2007-216220 communique.
Using the polychrome covering with paint to cover with paint, lacquer, colour wash, etc. simultaneously in the method for polychrome coating, do not making the above coating of dichromatism attached to being coated with on the jewelry with not making the above complete colour mixture of coating of dichromatism with spray gun.Through this method, can form the multicolour pattern (polychrome mixed pattern) that can mix with different color by the particle of the size of common visual identification.
As covering with paint, lacquer, colour wash, etc. the polychrome mixed pattern that polychrome coating forms simultaneously with spray gun, for example enumerate the stone style pattern of marble pattern, granite pattern and so on through using polychrome to cover with paint, lacquer, colour wash, etc.In addition, in addition can also enumerate various multicolour patterns such as leather patterns style, wood grain style, fur style, woven design style and Japanese paper style.
The atomizing that above-mentioned spray gun utilization is supplied with from compressed air source will be sprayed via the coating atomizing of supplies such as flexible pipe from paint feeding device with gas (compressed air).
As the formation of this spray gun, the usually known formation that has the leading section that has at spray gun to offer the nozzle of coating tap and be installed on the awl tubular lid of this spray nozzle front end portion.
The coating of supplying with to spray gun is directed to nozzle through the flow path that is coated with of being located at rifle, and discharges from the coating tap of being located at spray nozzle front end.In addition, in this spray gun,, supply with flexible pipe supply atomizing through atomizing with gas and use gas to the space inboard and that around spray nozzle front end, guarantee that is formed at lid.Thus, the coating of discharging from the coating tap of being located at spray nozzle front end is atomized with gas through atomizing, sprays from the jet of offering at the front end of lid.
In addition, as spray gun, also provide through supplying with figure gas and can form the various spray guns (spray gun of figure gas system) of covering with paint, lacquer, colour wash, etc. figure.
In addition, cover with paint, lacquer, colour wash, etc. the spray gun of usefulness as only having a monochrome that is coated with flow path, being widely used has the spray gun that possesses with the pin type coating passage opening/closing mechanism of trigger interlock.
In the coating passage opening/closing mechanism of this monochromatic spray gun of covering with paint, lacquer, colour wash, etc. usefulness, be provided with pin travel mechanism at the rear side of nozzle.In addition, but at the pin that is coated with valve seat that being provided with of flow path form the taper hole shape and crimping valve seat midway or leaves from valve seat.In addition, because pin travel mechanism and trigger interlock, so in being coated with flow path, make pin move or pin is left from spray nozzle front end to spray nozzle front end through operating trigger.That is,, open and close being coated with flow path through making pin crimping valve seat or pin being left from valve seat.
The formation of this coating passage opening/closing mechanism is complicated, be formed with the gun main body that is coated with flow path and assemble coating passage opening/closing mechanism through a plurality of parts are assembled in, so assembling operation expends time in.
On the other hand, have during a plurality of polychromes that are coated with flow path cover with paint, lacquer, colour wash, etc. with spray gun, complicated for fear of the mechanism of spray gun usually and the use spray gun will be located at outside the system of spray gun in supply control that will use in order to supply with coating to spray gun with valve.
As stated; In the formation of moving through the supply of the control of the valve outside the system that is disposed at spray gun coating; Because distance, so, often can not stop to discharge the action of coating immediately from the coating tap even stop the supply of coating from valve to the coating tap.Under this situation, after stopping to supply with coating, coating can be discharged from the coating tap, can pollute the front end of rifle because of this coating.
Therefore, at present, the supply of the coating that supply action or the adjustment valve through control Compressed Gas (atomizing with gas and figure gas one of at least) carries out solves and stops the problem of front end that coating is supplied with the pollution rifle of the above-mentioned that kind in back.
But this solution countermeasure needs to adjust the supply control of the supply control of Compressed Gas and the coating that valve carries out according to the flow of coating or physical characteristic (viscosity etc.), makes adjustment expend time in.
Particularly using polychrome to cover with paint, lacquer, colour wash, etc. under the situation of covering with paint, lacquer, colour wash, etc. with the polychrome of spray gun; Consider the flow of coating of all kinds or the deviation of physical characteristic (viscosity etc.); The supply control of the supply control of adjustment Compressed Gas and the coating that valve carries out makes adjustment become so uneasy.
Summary of the invention
The present invention In view of the foregoing sets up, its purpose be to provide can prevent simply after the supply that stops coating because of the coating of discharging from the coating tap pollute the front end of rifle spray gun, and use the Finish System of this spray gun.
In order to solve above-mentioned problem, the present invention provides following formation.
First aspect present invention provides a kind of spray gun, and it possesses: main body, and it has and a plurality ofly is coated with flow path, is located at the said coating tap that is coated with an end of flow path, supplies with the compressed-air actuated air flow circuit of the coating atomizing that will discharge from said coating tap; Open and close valve, it is located at said main body, and the said flow path that is coated with is opened and closed.
In the spray gun of first aspect present invention; Preferably; Said main body has the coating inlet of the opposite location of being located at said coating tap; The said flow path that is coated with to be forming towards the mode that said coating tap extends from said coating inlet, said open and close valve be located at the central portion of the said length direction that is coated with flow path or than the central portion of the said length direction that is coated with flow path more near the position of front side.
In the spray gun of first aspect present invention; Preferably; Have be formed at said main body a plurality of saidly be coated with a plurality of open and close valves that the flow path corresponding mode is provided with; Said main body has the opening recess that makes said coating tap and said air flow circuit opening, and said a plurality of open and close valves are made extended line a plurality of positions on every side of the central axis prolongation of said opening recess in hypothesis by decentralized configuration.
In the spray gun of first aspect present invention, preferably, have: gun main body, it has leading section and offers the spray nozzle part of said coating tap at said leading section, constitutes said main body, is formed with said flow path and the said air flow circuit of being coated with; The lid of awl tubular, it is installed in said leading section, takes in said spray nozzle part, in being opened in the opening recess of said lid, offers said coating tap and said air flow circuit, and said open and close valve is arranged on said gun main body.
In the spray gun of first aspect present invention, preferably, possess: the figure gas ejection ports, it is located at said main body, jet graphics gas; The figure gas flow path, it is located at said main body, has said figure gas ejection ports.
Second aspect present invention provides a kind of Finish System, and it possesses: the spray gun of above-mentioned first aspect; The said paint feeding device that is coated with flow path supply coating to said spray gun; Supply with compressed-air actuated atomizing to the said air flow circuit of said spray gun and use the compressed air feedway; Control said spray gun open and close valve action and switch the said controller for opening and closing that is coated with the switching of flow path.
According to the present invention, can shorten from the distance of valve (open and close valve) to the coating tap of the supply action of control coating, can prevent after stopping to supply with coating to pollute the situation of the front end of rifle because of coating from the discharge of coating tap simple and reliablely.
Description of drawings
Fig. 1 is the figure of the spray gun of expression an embodiment of the present invention;
Fig. 2 is the figure of expression from the observed structure of rear side of spray gun shown in Figure 1;
Fig. 3 is the profile of structure of nozzle and the lid of expression spray gun shown in Figure 1;
Fig. 4 is the figure of expression from the observed structure in front side of spray gun shown in Figure 1;
Fig. 5 is the figure of the relation that is coated with flow path and open and close valve of explanation spray gun shown in Figure 1;
Fig. 6 is the figure of concrete example of the open and close valve of expression spray gun shown in Figure 1;
Fig. 7 is the figure of one of the Finish System of explanation use spray gun formation shown in Figure 1 example;
Fig. 8 is the figure of the spray gun of expression an embodiment of the present invention, and expression has through the open and close valve of the rear side of being located at the rifle body supplies with the spray gun of the formation of coating to being coated with flow path;
Fig. 9 is the figure of the spray gun of expression an embodiment of the present invention, and expression has through the open and close valve of the rear side of being located at the rifle body supplies with the spray gun of the formation of coating to being coated with flow path;
Figure 10 is the figure of the spray gun of expression an embodiment of the present invention, and expression has through the coating inlet that is connected with the open and close valve of being located at external week of rifle the spray gun of coating to the formation that is coated with the flow path supply.
The specific embodiment
Below, describe with reference to spray gun, the Finish System of accompanying drawing an embodiment of the present invention.
Like Fig. 1～shown in Figure 5, the spray gun of explaining in this embodiment 10 is to cover with paint, lacquer, colour wash, etc. simultaneously in being coated with polychrome that jewelry uses for multiple (being four kinds) coating atomizing that color is differed from one another and with polychrome coating to cover with paint, lacquer, colour wash, etc. and use spray gun in this embodiment.
This spray gun 10 make the above coating of dichromatism fully not colour mixture and with the coating more than the dichromatism attached to being coated with on the jewelry.Can promptly, can cover with paint, lacquer, colour wash, etc. polychrome coating simultaneously by the particle of the size of common visual identification multicolour pattern (color mix pattern) through using this spray gun 10 to form with different color mixture.
In addition; About this spray gun 10; In this manual; Cover 30 position (position in left side among Fig. 1) and be called " preceding (the place ahead, front side, front position) " being provided with, be called " back (rear, rear side, back position) ", this embodiment is described being provided with the opposition side (position on right side among Fig. 1) that cover 30 position.
In addition, in this specification " fore-and-aft direction " be meant from be provided with cover 30 position (front position) towards with the direction that is provided with the position (back position) of covering 30 position opposite or from the position, back the direction towards the front position.
In addition, central axis of the present invention and extended line are represented with chain-dotted line in Fig. 1 and Fig. 3.
As shown in Figure 1, spray gun 10 has gun main body 20 and lid 30.Gun main body 20 has rifle body 24 and nozzle 25 (spray nozzle part), on rifle body 24, is fixed with nozzle 25.In addition, lid 30 is installed in the leading section of gun main body 20.
Nozzle 25 has the coating tap 21b that offers in the anterior position of nozzle 25 (end).
Like Fig. 1 and shown in Figure 3, on gun main body 20, be formed with and be coated with flow path 21, atomizing is with gas flow path 22 (first air flow circuit) and figure gas flow path 23 (second air flow circuit).Coating flows being coated with flow path 21.Atomizing is to flow the compressed-air actuated air flow circuit that will use in order to atomize from the coating that nozzle 25 is discharged is arranged with gas flow path 22, supplies with compressed air to coating tap 21b.In this formation, coating flows being coated with flow path 21, utilize that through atomizing with gas flow path 22 compressed and supplied air be atomized on one side, discharge from coating tap 21b as discharge coating on one side.
In addition, in being located at the figure gas flow path 23 of gun main body 20, supply with the compressed air (figure gas) that imports from the gas access 23a of the outer peripheral face that is opened in rifle body 24.Figure gas flow path 23 has the compressed-air actuated air flow circuit that sprays towards the injection stream of atomized coating for flowing.
This figure gas covers 30 figure gas ejection ports 23b and sprays from being opened in through figure gas flow path 23.
Be coated with flow path 21, atomizing use gas flow path 22 and figure gas flow path 23 for being formed at the hole of spray gun 10.
At this, the outer peripheral face of rifle body 24 is meant the circumferential face in the cross section that the rifle body 24 on the central axis that is arranged in nozzle 25 (extended line that particularly for hypothesis central axis is prolonged) is vertical with the central axis of nozzle 25.
In addition, on this gun main body 20, on rifle body 24, be provided with being coated with the open and close valve 40 (afterwards stating) that flow path 21 opens and closes.Spray gun 10 comprises open and close valve 40.
Formation as the rifle body 24 of gun main body 20 for example can adopt the integrated metallic drip molding, but be not limited thereto, and also can adopt constituting by a plurality of component-assembled.
The rifle body 24 of gun main body 20 shown in Figure 1 forms parts 242 by rifle phosphor bodies 241 and gas flow path and constitutes.Rifle phosphor bodies 241 and gas flow path form parts 242 through screw threads for fastening (omitting diagram) wait fix also integrated.On gas flow path formation parts 242, be formed with atomizing with the gas access 22a of gas flow path 22 and the gas access 23a of figure gas flow path 23.
Being coated with flow path 21 forms with the mode that the fore-and-aft direction at spray gun 10 connects gun main body 20.
Atomizing with gas flow path 22 and figure gas flow path 23 to form to the mode of the front side of spray gun extension from being opened in gas access 22a, the 23a that gas flow path forms parts 242 outer peripheral faces.Atomizing is not formed on the rifle phosphor bodies 241 with gas flow path 22 and figure gas flow path 23.
In addition, specifically the constituting of rifle body 24 that is become by a plurality of component-assembled is not limited to illustrated structure.As the formation of rifle body 24, for example also can adopt constituting by the component-assembled more than three.
In addition, but the atomizing of appropriate change gun main body 20 with the position that is formed with gas access 22a, 23a of gas flow path 22 and figure gas flow path 23.
In addition, gun main body also can be made up of parts that are formed with rifle body and nozzle.
As shown in Figure 3, the lid 30 of spray gun 10 is made up of nut portions 32, the main wall of lid portion 31.Particularly, nut portions 32 forms tubular.Cover main wall portion 31 and have the taper inboard aperture 31a that is provided with the mode that connects the main wall of lid portion 31.In addition, at the axis direction of nut portions 32, dispose the main wall of lid portion 31 at an end of nut portions 32.
In addition, be formed with threaded portion 32a (internal thread part) interior week in lid 30 nut portions 32.In addition, the periphery at the leading section of rifle body 24 (end of configuration nozzle 25) is formed with threaded portion 24a (external thread part).Through threaded portion 32a and threaded portion 24a each other screw thread twist and close, nut portions 32 is installed in the leading section of rifle body 24, nozzle 25 is incorporated in the inboard of nut portions 32 with the mode that is positioned at gun main body 20 leading sections.
As shown in Figure 3, cover mode that the inboard aperture 31a of main wall portion 31 increases with the area of section at the inboard aperture 31a on the direction of position, back from the front position gradually, be that the mode of the spatial spread in the inboard aperture 31a forms taper.
In addition, inboard aperture 31a has the peristome 31b of the central portion that is opened in main wall portion's 31 front face side of lid (front position).
The diameter that the nozzle 25 of gun main body 20 forms (front end) nozzle 25 towards the place ahead reduces such taper gradually.
This spray gun 10 has the opening recess 11 that comprises gap 11a in the inboard of lid 30.The peristome 31b that covers the inboard aperture 31a of main wall portion 31 works as the peristome of opening recess 11.
Below, also the peristome 31b of inboard aperture 31a is called the peristome 11b of opening recess 11.
At gun main body 20, be coated with flow path 21 with along the fore-and-aft direction of gun main body 20, promptly hypothesis direction that the central axis of the inboard aperture 31a of the main wall of lid portion 31 the is prolonged mode of extending forms, and be provided with the mode that connects gun main body 20.
Being coated with flow path 21 forms with the rifle body 24 of perforation formation gun main body 20 and the mode of nozzle 25.
In addition, in the spray gun 10 of this embodiment, the central axis of the nozzle 25 of gun main body 20 and the central axis of opening recess 11 (covering the central axis of the inboard aperture 31h of main wall portion 31) align.
As shown in Figure 1, gun main body 20 constitutes with the mode that has elongated shape at length direction.At this, the length direction of gun main body 20 is meant along the direction of the central axis of opening recess 11 (particularly, the central axis of opening recess 11 shown in Figure 3, and hypothesis extended line that this central axis is prolonged).
In addition, the rifle body 24 of gun main body 20 also with along the direction of the central axis of opening recess 11, be that the mode that the length direction of rifle body 24 has an elongated shape forms.
On the direction vertical with respect to the central axis of opening recess 11, the central part in the cross section of rifle body 24 makes on the extended line that the central axis of opening recess 11 prolongs in hypothesis.
But can suitably set the size (front and back size) of the length direction of gun main body 20 and rifle body 24, gun main body 20 and rifle body 24 can not form with elongated shape.
In addition, be coated with flow path 21, from coating inlet 21c to the peristome that is positioned at coating tap 21b front end midway, coating does not leak.
Border (being made up of the situation of rifle body a plurality of parts) between the parts of the border between rifle body 24 and the nozzle 25, formation rifle body 24, configuration prevents that coating is from being coated with the parts that flow path 21 is leaked as required.Particularly, like Fig. 3, shown in Figure 6, folder is inserted with the O type ring by symbol 28 expressions between rifle phosphor bodies 241 and gas flow path formation parts 242.
As shown in Figure 1, be provided with the coating tap 21b that is opened in nozzle 25 front ends at the leading section that is coated with flow path 21.In addition, the rearward end that in the opposite location of coating tap 21b, promptly is coated with flow path 21 is provided with the coating inlet 21c that imports coating.
The area of section (flowing path section area) of this coating inlet 21c is bigger than the area of section that is coated with the flow path main aperture 21a of portion.This is coated with the flow path main aperture 21a of portion for being coated with the part of flow path 21 between coating tap 21b and coating inlet 21c.
On the other hand, to be coated with the flow path main aperture 21a of portion thin for coating tap 21b ratio.That is, the area of section of coating tap 21b (flowing path section area) is littler than the area of section that is coated with the flow path main aperture 21a of portion.Coating tap 21b is a pore.
In this embodiment, be provided with a plurality of flow path 21 (quantity that is coated with flow path 21 among Fig. 2 and Fig. 5 is four) that are coated with at gun main body 20.A plurality of flow path 21 that are coated with dispose with the mode around the central portion that is dispersed in the cross section (cross section of rifle body 24) perpendicular to rifle body 24 length directions.
In addition, a plurality of be coated with flow path 21 be dispersed on rifle body 24 length directions, suppose to make extended line that the central axis of opening recess 11 prolongs around mode dispose.
As shown in Figure 2, the coating inlet 21c that is coated with flow path 21 of gun main body 20 disposes with the mode of the peripheral part of the rear end face 24b that is dispersed in rifle body 24.
At this, rear end face 24b is the end face of opposition side of the position that disposes nozzle 25 of rifle phosphor bodies 241.
The nozzle 25 of spray gun 10 has the vertical front end face 25a that forms of central axis with respect to nozzle 25 at the front end of nozzle 25.
On gun main body 20, be coated with each coating tap 21b that flow path 21 is communicated with at the front end face 25a of nozzle 25 opening with a plurality of.
On gun main body 20, atomizing has the gas access 22a (gas access is used in atomizing) of the outer peripheral face that is opened in gun main body 20 (forming parts 242 for gas flow path in detail) with gas flow path 22.Atomizing forms with the mode that the 22a from the gas access extends to opening recess 11 with gas flow path 22.
Atomizing has the atomizing that is opened in opening recess 11 with gas flow path 22 and uses gas ejection ports 22b.
On gun main body 20, atomizing connects nozzle 25 with the part of gas flow path 22 at the length direction of stream, and atomizing is formed on the nozzle 25 with gas ejection ports 22b.
Like Fig. 3, shown in Figure 4, the coating tap 21b that is coated with flow path 21 is formed on the position corresponding with the peristome 31b of opening recess 11 at the fore-and-aft direction of spray gun 10.
With a plurality of be coated with the corresponding a plurality of coating tap 21b of flow path 21 on the fore-and-aft direction of spray gun 1010 to be formed on the nozzle 25 with the mode of the corresponding location sets of the peristome 31b of opening recess 11, mode in the central portion set of nozzle 25 when promptly observing spray gun 10 from the front side.
To this, atomize with gas ejection ports 22b when observing spray gun 10, at the central portion that is formed with coating tap 21b position opening more in the outer part than mouth 25 from the front side.That is, atomizing with gas ejection ports 22b than coating tap 21b, at position (from the position that central axis leaves) opening from the central axis partition distance of nozzle 25.
Observing from the front side under the situation of spray gun 10, atomizing is formed with three places (Fig. 4 is for everywhere) with gas ejection ports 22b on every side at the front end face 25a of the central portion that is arranged in nozzle 25.
On spray gun 10, a plurality of atomizings with gas flow path 22 in gun main body 20 by branch.Particularly, the stream that is communicated with a gas access 22a is branched into a plurality of streams in gun main body 20, is provided with a plurality of atomizings with a plurality of stream corresponding mode with branch and uses gas ejection ports 22b.
The gun main body 20 of spray gun 10 with respect to a gas access 22a have two with two atomizings with the atomizing of gas ejection ports 22b with gas flow path 22, have four atomizings altogether and use gas ejection ports 22b.
On the other hand, be coated with flow path 21 branch not in gun main body 20.On nozzle 25, be provided with and a corresponding coating tap 21b of coating inlet 21c.
In the spray gun with this formation 10,, supply with compressed air (gas is used in atomizing) with gas flow path 22 through gas access 22a in atomizing being coated with flow path 21 through coating inlet 21c supply coating.Thus, atomize with the compressed air that gas ejection ports 22b is ejected in the opening recess 21 from atomizing with gas flow path 22 through atomizing from the coating utilization that coating tap 21b discharges through being coated with flow path 21.And this coating that is atomized (below be also referred to as atomised coating) sprays from the peristome 31b of opening recess 11.
Like Fig. 3 and shown in Figure 4, on spray gun 10, figure gas flow path 23 is so that 23a forms to the mode that figure gas ejection ports 23b extends from the gas access.At this, gas access 23a is the peristome that is opened in the outer peripheral face of gun main body 20 (being that gas flow path forms parts 242 in detail).In addition, figure gas ejection ports 23b is formed to cover 30 peristome.
Lid main board portion 31 at lid 30 is formed with a pair of teat 33.A pair of teat 33 is located at the both sides of lid main board portion 31 with the mode of peristome 31b between a pair of teat 33, and outstanding to the front side of lid main board portion 31 (opposition side of nut portions 32).
Figure gas ejection ports 23b is arranged on 33 respect to one another of a pair of teats.The injection stream of the atomised coating that the compressed air (figure gas) that figure gas ejection ports 23b can import figure gas flow path 23 with the 23a from the gas access sprays towards the peristome 31b from opening recess 11 or spray towards position near the injection stream of atomised coating.
The teat 33 of lid 30 works with spray nozzle part as the figure gas of jet graphics gas.But; Figure gas flow path 23 is as long as can spray the formation that P23b sprays, the suitably design alteration of concrete formation of teat 33 from figure gas for the injection stream of atomised coating that figure gas is sprayed towards the peristome 31b from opening recess 11 or towards the position near injection 25 streams of atomised coating.
In addition, spray gun 10 and a pair of figure gas are corresponding and have two figure gas flow paths 23 with spray nozzle part, but the structure of figure gas flow path 23 can suitably change.
Secondly, the open and close valve 40 to spray gun 10 describes.
Like Fig. 1, shown in Figure 5, open and close valve 40 is specially two-way valve.Fig. 6 representes the concrete example of this open and close valve 40.Open and close valve 40 shown in Figure 6 is the two-way valve of gas-powered formula.
This open and close valve 40 has the stream 41 of connection, clack box 42, valve seat 43, valve body 44, valve rod 45 and driven for opening and closing portion 46.
Being communicated with stream 41 is provided with the mode that connects clack box 42.Valve seat 43 is arranged on and is communicated with stream 41 midway.Leading section at valve rod 45 is provided with valve body 44.Valve body 44 is followed moving of valve rod 45 and is crimped on valve seat 43 or leaves from valve seat 43.Driven for opening and closing portion 46 has housing 46a, has the function that valve rod 45 is moved.That is, driven for opening and closing portion 46 makes valve body 44 be crimped on valve seat 43 or valve body 44 is left from valve seat 43.Valve rod 45 has the base end part of the opposition side that is positioned at leading section, and its base end part is inserted in the housing 46a.
Driven for opening and closing portion 46 has in housing 46a, to take in and closes the formation of valve with spring 47 and drive-type valve-opening mechanism 48 with what push away towards valve seat 43 that the elastic acting force of giving as security valve body 44 gives valve rod 45.
In gas-powered formula valve-opening mechanism 48; Be crimped at valve body 44 under the state of valve seat 43 when compression air source such as compression pump are supplied with air pressure (compressed air); The elastic acting force of valve with spring 47 closed in 45 antagonism of valve rod; Valve rod 45 is moved to the direction (valve opening position) that valve body 44 leaves from valve seat 43, and open and close valve 40 is driven valve.
On the other hand, in gas-powered formula valve-opening mechanism 48, do not supply with under the situation of air pressure, close valve and have an effect with the elastic acting force of spring 47, valve body 44 is crimped on valve seat 43, open and close valve 40 closes valve.
In this open and close valve 40, according to whether carrying out switching in the switching that is communicated with stream 41 from gas apparatus for controlling of supply 54 (with reference to Fig. 7) supply air pressure (compressed air).
In open and close valve 40, in being disposed at the clack box midway 42 that is coated with flow path 21, be formed with connection stream 41.Open and close valve 40 is fixedly installed on the gun main body 20 with the mode that flow path 21 is communicated with that is coated with that is positioned at clack box 42 both sides to be communicated with stream 41.
Be coated with flow path 21 midway for the clack box of open and close valve 40 42 folders are inserted in, be formed with from the outer peripheral face depression of rifle body 24 and arrive the clack box that is coated with flow path 21 at rifle body 24 (rifle phosphor bodies 241 among Fig. 6) and take in recess 24c.Clack box 42 is incorporated in clack box and takes in recess 24c and be located at and be coated with flow path 21 midway.
The driven for opening and closing portion 46 of open and close valve 40 is to be provided with from the outstanding mode of the outer peripheral face of gun main body 20.
In addition, particularly, on spray gun 10, open and close valve 40 is installed in the rifle body 24 of gun main body 20, is installed on the rifle phosphor bodies 241 of rifle body 24 more in detail.Clack box 42 is configured in the part that is positioned at rifle phosphor bodies 241 that is coated with flow path 21.
Open and close valve 40 is for having the unit that in driven for opening and closing portion 46, is fixed with the formation of clack box 42.And, through using screw 49 to be screwed on the rifle body 24 driven for opening and closing portion 46, open and close valve 40 is installed on the gun main body 20.
In the outside of the housing 46a of driven for opening and closing portion 46, to be provided with the flange part 46b with rifle body 24 butts from the outstanding mode of housing 46a.
Screw 49 has axial region 49a and is located at the head 49b of the end of axial region 49a.Axial region 49a connects the flange part 46b of housing 46a, is screwed in the female threaded hole that is formed at rifle body 24.The size of head 49b forms with the mode bigger than the diameter of axial region 49a.Therefore,, flange part 46b is pressed into rifle body 24, driven for opening and closing portion 46 is fixed on the rifle body 24 through axial region 49a is screwed into female threaded hole.In addition, the instrument that the engaging rotary manipulation is used on head 49b through screw 49 is rotated operation, can make screw 49 with respect to 24 dismounting of rifle body.In addition,, can open and close valve 40 be extracted from rifle body 24, open and close valve 40 is broken away from from gun main body 20 through screw 49 being carried out rightabout rotary manipulation when relatively rifle body 24 is screwed into.Therefore, this spray gun 10 can carry out the maintenance or the replacing of open and close valve 40 simply.
In addition, through screw threads for fastening etc. and just open and close valve be fixed in the formation of gun main body removably can be adaptable across the spray gun of embodiment of the present invention.
At this, describe comprising the stream that is communicated with stream 41 and is coated with flow path 21.
As shown in Figure 6, the flow path 21 that is coated with of being located at rifle phosphor bodies 241 has rear stream 21d, vertical stream 21e and the place ahead stream 21f.
Rear stream 21d extends along the length direction of rifle body 24, and 21c is communicated with the coating inlet, and is connected with the connection stream 41 of clack box 42.
Vertical stream 21e extends along the bearing of trend (direction vertical with the length direction of rifle body 24) of valve rod 45, and with is communicated with stream 41 connections, this connection stream 41 is arranged on the approaching position, position that contacts with valve seat 43 with valve body 44.
The place ahead stream 21f extends along the length direction of rifle body 24, is communicated with vertical stream 21e, and is connected with the flow path 21 (being coated with the flow path main aperture 21a of portion) that is coated with of being located at gas flow path formation parts 242.
In this structure, utilize vertical stream 21e and the place ahead stream 21f to be formed with bend (fall L shaped stream).
For to open under the situation of valve state, stream 21d is mobile in the wings to the coating of coating inlet 21c in supply, and flows at the connection stream 41 of clack box 42 at open and close valve 40, and in the Clearance Flow that is formed between valve seat 43 and the valve body 44.In addition, coating is on one side with through vertical stream 21e and the place ahead stream 21f and crooked mode flows (fall L shaped flowing), on one side to being coated with the flow path main aperture 21a of portion supply.
In addition, like the following stated, a plurality of open and close valves 40 are to be provided with from the outstanding radially mode of gun main body 20.Therefore, according to the quantity of open and close valve 40, on gun main body 20, be provided with a plurality of rear stream 21d, a plurality of vertical stream 21er and a plurality of the place ahead stream 21f.In addition, the center from gun main body 20 forms a plurality of vertical stream 21e toward the outer side radially in the inside of gun main body 20.
As stated, be formed at gun main body 20 a plurality of be coated with flow path 21 be dispersed in hypothesis make extended line that the central axis of opening recess 11 prolongs around mode be formed on the rifle body 24.That is, in other words, the coating tap among Fig. 4 shown in the symbol 21b be formed at rifle body 24 central authorities around.
Be located at extended line that the open and close valve 40 that respectively is coated with flow path 21 prolongs with the central axis that makes opening recess 11 in hypothesis around be scattered in many places mode dispose.Like Fig. 1 and shown in Figure 2, on spray gun 10, be provided with open and close valve 40 with a plurality of corresponding respectively modes of flow path 21 that are coated with gun main body 20, the driven for opening and closing portion 46 of open and close valve 40 is outstanding radially from gun main body 20.
Fig. 7 representes to use one of the Finish System 50 that above-mentioned spray gun 10 constitutes example.
Finish System 50 shown in Figure 7 possesses above-mentioned spray gun 10, paint feeding device 52, compressed air source 53 (for example compression pump) and gas apparatus for controlling of supply 54.At this, paint feeding device 52 is supplied with coating to the flow path 21 that is coated with of spray gun 10.Gas apparatus for controlling of supply 54 control compressed air move with the supply of the gas-powered formula valve-opening mechanism 48 of gas flow path 22, figure gas flow path 23 and open and close valve 40 with respect to the atomizing of spray gun 10.In addition, Finish System 50 comprises the gun bearing apparatus 55 that supports spray gun 10.
Paint feeding device 52 possesses paint can T1, T2, T3, T4 and pump P1, P2, P3, P4.At this, the quantity of paint can T1, T2, T3, T4 and polychrome cover with paint, lacquer, colour wash, etc. with spray gun 10 to be coated with flow path 21 quantity identical.Pump P1, P2, P3, the corresponding setting of P4 with paint can T1～T4.Paint feeding device 52 is given respectively and is sent coating to the flow path 21 that is coated with of spray gun 10 via the flexible hose 56 (56a, 56b, 56c, 56d) that is connected respectively with pump P1～P4.As shown in Figure 1, flexible pipe 56a～56d is connected with the coating inlet 21c that is coated with flow path 21.
As shown in Figure 7, gas apparatus for controlling of supply 54 has a plurality of internal flow path R1～R8 and open and close valve B1～B8 (below be also referred to as gas control use open and close valve).At this, flow into from compressed air source 53 compressed and supplied air at a plurality of internal flow path R1～R8, be provided with open and close valve B1～B8.
The end of each internal flow path RI～R8 (first end) is connected with compressed air source 53 via pipe arrangement 51, and the other end (second end) is connected with flexible flexible pipe 58a～58d, 59a～59d.Flexible pipe 58a～58d, 59a～59d are connected with gas flow path 22, figure gas flow path 23 and gas-powered formula valve-opening mechanism 48 with the atomizing of spray gun 10 respectively.
On the gun main body 20 of spray gun 10, with open and close valve 40 respectively corresponding mode be formed with gas flow path 29 (with reference to Fig. 7).Gas flow path 29 will be from gas apparatus for controlling of supply 54 through flexible pipe 59 (the gas-powered formula valve-opening mechanism 48 of compressed and supplied air guide open and close valve 40 of 59a～59d).
Like Fig. 1, shown in Figure 7, (59a～end 59d) is connected with the gas access 29a of gas flow path 29 to be positioned at the flexible pipe 59 of gas apparatus for controlling of supply 54 opposition sides.Thus, flexible pipe 59 (59a～59d) supply with compressed air to gas-powered formula valve-opening mechanism 48 from gas apparatus for controlling of supply 54.Therefore, can (59a～59d) and gas flow path 29 be supplied with compressed air from gas apparatus for controlling of supply 54 to the gas-powered formula valve-opening mechanism 48 of open and close valve 40 via flexible pipe 59.
Finish System shown in Figure 7 50 adopts to have the gas apparatus for controlling of supply 54 of eight internal flow path R1～R8 with gas flow path 22, two figure gas flow paths 23 and four open and close valve 40 corresponding mode with two atomizings of the spray gun 10 of Fig. 1～Fig. 5.
Two atomizings of spray gun 10 are connected with internal flow path R1, the R2 of gas apparatus for controlling of supply 54 via flexible pipe 58a, 58b with gas flow path 22.Two figure gas flow paths 23 of spray gun 10 are connected with internal flow path R3, the R4 of gas apparatus for controlling of supply 54 via flexible pipe 58c, 58d.
The gas-powered formula valve-opening mechanism 48 of a plurality of driven for opening and closing portion 46 that spray gun 10 is possessed is via flexible pipe 59 (59a～59d) be connected with the internal flow path R5～R8 of gas apparatus for controlling of supply 54.
Supply with respectively to internal flow path R1～R8 from pipe arrangement 51 via the splitter 54w that is located at gas apparatus for controlling of supply 54 from compressed air source 53 compressed and supplied air.
Be connected respectively with internal flow path R1～R8 via connecting flexible pipe 54a～54h with flexible pipe 58a～58d, 59a～59d that the atomizing of spray gun 10 is connected with gas flow path 22, figure gas flow path 23 and gas-powered formula valve-opening mechanism 48.Connect flexible pipe 54a～54h and a plurality of internal flow path R1～R8 and be located at gas apparatus for controlling of supply 54 respectively accordingly.
In addition, the internal flow path R5～R8 in the internal flow path R1～R8 of gas apparatus for controlling of supply 54 is provided with the compressed air discharging and uses open and close valve D.In addition, supplying with compressed-air actuated direction, more be provided with the exhaust flow path v of stream R5～R8 branch internally in the downstream than open and close valve B5～B8.The compressed air discharging opens and closes exhaust flow path v with open and close valve D, switches atmosphere opening and the apolipsis of exhaust flow path v.That is, exhaust flow path v drives valve to atmosphere opening through compressed air discharging with open and close valve D.
On gas apparatus for controlling of supply 54, the compressed air discharging is driven valve with open and close valve D and gas control with the valve interlock that closes of open and close valve B5～B8, and opens the valve interlock with gas control with open and close valve B5～B8 and close valve.
In the Finish System 50 shown in Figure 7, with the control of the gas of gas apparatus for controlling of supply 54 with open and close valve B5～B8 close the valve interlock, compressed air is discharged drives valve with open and close valve D.Therefore, supply with compressed-air actuated stream (compressed air supply stream) to atmosphere opening via flexible pipe 59a～59d to gas-powered formula valve-opening mechanism 48 from open and close valve B5～B8.
The open and close valve 40 of spray gun 10 is for compressed air supply flow road direction atmosphere opening the time, becoming the state of gas-powered formula valve-opening mechanism 48 not being supplied with air pressure, so it closes valve.
In addition; Among Fig. 7, among a plurality of (in the illustrated example the being four) internal flow path R5～R8 that uses in order to supply with compressed air, the exhaust flow path v of the internal flow path shown in symbol R5～R7 goes up the compressed air discharging that the is provided with diagram omission with open and close valve D to gas-powered formula valve-opening mechanism 48.Compressed air discharging with open and close valve D be separately positioned on for a plurality of internal flow path R5～R8 that use to gas-powered formula valve-opening mechanism 48 supply compressed air last.
Gas apparatus for controlling of supply 54 can come switching pressurized air that the atomizing of spray gun 10 is stopped (carrying out compressed-air actuated supply controls) with the supply or the supply of gas flow path 22, figure gas flow path 23 and gas-powered formula valve-opening mechanism 48 with the open and close controlling of open and close valve B1～B8 through gas control.In addition, can distinguish and control the on-off action of these gases control independently with open and close valve B1～B8.
But gas apparatus for controlling of supply 54 also can have can carry out the formation of a plurality of gas controls with a plurality of on-off actions of open and close valve B1～B8 each other simultaneously.
In addition, gas control atomizes with the compressed-air actuated supply action of gas flow path 22 with open and close valve B1, B2 control relatively.In addition, the compressed-air actuated supply action of relative figure stream 23 is controlled in gas control with open and close valve B3, B4.With open and close valve B1～B4, preferred employing can suit to change the open and close valve of the setting of supplying with compressed-air actuated flow when driving valve as this gas control.
Gas control is controlled relative gas-powered formula valve-opening mechanism 48 with open and close valve B5～B8) compressed-air actuated supply move.With open and close valve B5～B8, can preferably adopt the open and close valve of switching that can promptly carry out the ON/OFF (supply with or supply stops) of compressed-air actuated supply action through the switching of valve as the control of this gas.
Control with open and close valve B5～B8 as this gas; Get final product so long as have the valve of function of the ON/OFF (supply with or supply with and stop) of the supply action of switching pressurized air, also can adopt valve with function of the setting of the compressed-air actuated flow of change supply when driving valve.
In each open and close valve 40 of spray gun 10; When gas control is driven valve with open and close valve B5～B8; Through (59a～59d) supply with compressed air from gas apparatus for controlling of supply 54, the gas-powered formula valve-opening mechanism 48 of driven opening drive division 46 is driven valve with open and close valve 40 via flexible pipe 59.
Gas apparatus for controlling of supply 54 have both to the air flow circuit of spray gun supply with compressed-air actuated atomizing with the compressed air feedway, and control spray gun open and close valve action and switch the controller for opening and closing of the switching that is coated with flow path.
Lance supporting device 55 has the fixedly rifle installing component 55a of spray gun 10.The shape of rifle installing component 55a is not special to be limited.
As shown in Figure 1, spray gun 10 has fixing with teat 26 with what be provided with from the outstanding mode of the rearward end periphery of gun main body 20.Be fixed on the rifle installing component 55a through fixing, can spray gun 10 be installed on the gun bearing apparatus 55 with teat 26.
Can insert the installing component patchhole 26a that forms bar-shaped rifle installing component 55a fixing being formed with on teat 26 shown in Figure 1.
In addition, offer screwed hole 26b in this fixing outside with teat 26.Screwed hole 26b forms towards fixing mode of extending with the outside of teat 26 with the inner peripheral surface from installing component patchhole 26a.
Utilize the hold-down screw 26c that is screwed into screwed hole 26b to fix through the rifle installing component 55a that will be inserted into installing component patchhole 26a, can spray gun 10 be installed in gun bearing apparatus 55.
In addition, like Fig. 1, shown in Figure 2, on spray gun 10, be provided with the hole portion 27 that forms with mode from rear end face 24b depression at the central portion of the rear end face 24b of rifle body 24.Utilize this hole portion 27 also can spray gun 10 be fixed on the rifle installing component 55a.
Gun bearing apparatus 55 is for example for having the multiaxis supporting arrangement of rifle installing component 55a at the front end of multi-spindle machining arm.The invention is not restricted to gun bearing apparatus 55 and be the multiaxis supporting arrangement.As gun bearing apparatus 55; The device of rifle installing component 55a is just not special to be limited so long as have; For example also can be configured in the position of regulation for the spray gun 10 that will be fixed in rifle installing component 55a, support the device of spray gun 10 with the coating after will atomizing to the mode of prescribed direction injection.
Therefore, this spray gun 10 can prevent after stopping coating supply (apolipsis that is coated with flow path 21 that open and close valve 40 carries out) simple and reliablely, the coating contaminated situation of the front end of rifle because of discharging from coating tap 21b.
The Finish System 50 of using this spray gun 10 to constitute can prevent not carry out the supply control of Compressed Gas (atomizing with gas and figure gas one of at least) and coating that valve carries out and supply with the adjustment of control and supply with the situation of the front end of after stain rifle stopping coating.
In addition, in this Finish System 50, can get reduced distances extremely short from the valve (open and close valve 40) of the supply action of control coating to coating tap 21b.Therefore, open and close valve 40 can not receive the flow of coating or the influence of physical characteristic (viscosity etc.) when apolipsis is coated with flow path 21, can stop to discharge from coating tap 21b the action of coating at short notice.
In addition, separately on-off action of open and close valve 40 (the gas control of gas apparatus for controlling of supply 54 that is Finish System 50 shown in Figure 7 is with the on-off action of open and close valve B5～B8) can be carried out simultaneously, and the on-off action of open and close valve 40 can be merely controlled.
Secondly, other embodiment to spray gun of the present invention describes.
As spray gun of the present invention, for example can adopt spray gun with Fig. 8 and the sort of formation shown in Figure 9.In the formation shown in Figure 8, on the length direction that is coated with flow path 21, dispose open and close valve 40 in the rearward end that is coated with flow path 21 (near the position of coating inlet 21c).In the formation shown in Figure 9, open and close valve 40 is assembled on the gun main body 20 with the mode that is disposed at gun main body 20 rear sides.During this constitutes, coating is supplied with to gun main body 20, and coating is imported into via open and close valve 40 and is coated with flow path 21 through flexible pipe 56.
But; In above-mentioned this spray gun 10 and Finish System 50; In order to prevent after open and close valve 40 will be coated with flow path 21 apolipsis to discharge from coating tap 21b the situation of coating reliably, the distance that shortens as much as possible from the valve (open and close valve 40) of the supply action of control coating to coating tap 21b is effective.
On this point; Spray gun 10 shown in Figure 1 has the formation that disposes open and close valve 40 at the central portion of the length direction that is coated with flow path 21; Compare Fig. 8, spray gun shown in Figure 9, can shorten the distance of control from the valve (open and close valve 40) of the supply action of coating to coating tap 21b.Therefore, spray gun 10 shown in Figure 1 has for being prevented open and close valve 40 and will be coated with after flow path 21 apolipsis favourable structure of effect of discharging coating from coating tap 21b.
In addition, on gun main body 20, open and close valve 40 also can be disposed at the length direction that is coated with flow path 21 from the position of central portion to front side (towards the direction of coating tap 21b) skew.
In addition, spray gun 10 shown in Figure 1 has the formation that many places decentralized configuration around extended line that the central axis that hypothesis is made opening recess 11 prolongs has open and close valve 40.In addition, open and close valve 40 a plurality of being coated with on each of flow path 21 of being located at gun main body 20.This formation helps from the shortening of the distance of open and close valve 40 to coating tap 21b effectively.
Formation at the open and close valve of spray gun of the present invention for example also can adopt the fore-and-aft direction that plural open and close valve is arranged in spray gun, at the fore-and-aft direction of spray gun the formation that the position of plural open and close valve differs from one another is set.
To this, Fig. 1, spray gun 10 shown in Figure 2 have a plurality of driven for opening and closing portion 46 to dispose the formation of open and close valve 40 from the outstanding radially mode of gun main body 20.Should constitute through adopting, realize with all open and close valves 40 be configured in gun main body 20 fore-and-aft direction central portion and be coated with the central portion of the length direction of flow path 21.Therefore, spray gun 10 is coated with flow path 21 for all that are provided with open and close valve 40, can suppress the distance from open and close valve 40 to coating tap 21b very short.
In addition, technical scope of the present invention is not limited to above-mentioned embodiment, in the scope that does not break away from aim of the present invention, can increase various changes.
As open and close valve 40, as long as, then be not limited to above-mentioned formation for having through opening and closing the device (valve, mechanism) of the formation that is coated with flow path with the switching that is coated with the connection stream that flow path is communicated with.
Open and close valve 40 is that the valve rod drives the shape open and close valve.This valve rod drives the shape open and close valve and possesses clack box, valve body, valve rod, valve seat and driven for opening and closing portion (valve rod drive division).At this, on clack box, connect setting and be coated with the connection stream that flow path is communicated with.Valve body is installed in the valve rod.Driven for opening and closing portion moves or rotation through making the valve rod, valve body is crimped on is located at the valve seat in the clack box or valve body is left from valve seat.
As the structure of this open and close valve, for example also can be employed in the valve rod is installed on the valve of being located at the family of power and influence, ball valve, butterfly valve etc., and be provided with the formation of the driven for opening and closing portion that the valve rod is moved or rotate.
In addition,, be not limited to the valve of other type of drive, use drive source, also can adopt valve, through to the connection of the energising of electromagnet, the magnetic valve that driven for opening and closing is carried out in disconnection etc. with the formation that possesses motor as opening and closing as open and close valve.
As spray gun, can adopt spray gun with formation shown in figure 10.In formation shown in Figure 10, be coated with flow path 21 (detailed and Yan Weiyu is coated with the coating of flow path 21 connections and enters the mouth) and be connected with flexible pipe 56 via the open and close valve 40 of being located at rifle body 24 peripheries.Supply with coating from paint feeding device to flexible pipe 56.Through the switching of open and close valve 40, can switch to being coated with flow path 21 and supply with the action of coating and the action that stops to supply with.
In addition, the quantity that is coated with flow path of spray gun is not limited to four, also can be for beyond one or four a plurality of.On gun main body, being provided with the formation that opens and closes the open and close valve 40 be coated with flow path also goes for using and only is formed with a monochrome that is coated with the gun main body of flow path and covers with paint, lacquer, colour wash, etc. and use spray gun.
Spray gun is used in covering with paint about monochrome, also can adopt removably open and close valve 40 is fixed in the structure on the gun main body.In addition, monochromatic covering with paint goes for the installation site of polychrome covering with paint with the open and close valve 40 of spray gun with the installation site of the open and close valve 40 of the fore-and-aft direction of the gun main body of spray gun.
Among Fig. 1 etc., represented in gun main body 20, to be formed with the formation that is coated with flow path 21, but as gun main body 20, also can adopt to be coated with the structure that flow path 21 forms along the mode of the fore-and-aft direction of gun main body 20 as the crow flies with bend.
Be formed with as the crow flies under the situation of the formation that is coated with flow path 21 having, adopt the two ends of the connection stream 41 of the clack box 42 that is formed at open and close valve 40 to be positioned at and be coated with the formation on the flow path 21 same straight lines along the fore-and-aft direction of gun main body 20.
Claims (6)
1. spray gun is characterized in that possessing:
Main body, it has and a plurality ofly is coated with flow path, is located at the said coating tap that is coated with an end of flow path, supplies with the compressed-air actuated air flow circuit of the coating atomizing that will discharge from said coating tap;
Open and close valve, it is located at said main body, and the said flow path that is coated with is opened and closed.
2. spray gun as claimed in claim 1 is characterized in that,
Said main body has the coating inlet of the opposite location of being located at said coating tap,
The said flow path that is coated with forms with the mode of extending towards said coating tap that enters the mouth from said coating,
Said open and close valve be located at the central portion of the said length direction that is coated with flow path or than the central portion of the said length direction that is coated with flow path more near the position of front side.
3. according to claim 1 or claim 2 spray gun is characterized in that,
Have be formed at said main body a plurality of saidly be coated with a plurality of open and close valves that the flow path corresponding mode is provided with,
Said main body has the opening recess that makes said coating tap and said air flow circuit opening,
Said a plurality of open and close valve is made extended line a plurality of positions on every side of the central axis prolongation of said opening recess in hypothesis by decentralized configuration.
4. according to claim 1 or claim 2 spray gun is characterized in that having:
Gun main body, it has leading section and offers the spray nozzle part of said coating tap at said leading section, constitutes said main body, is formed with said flow path and the said air flow circuit of being coated with;
The lid of awl tubular, it is installed in said leading section, takes in said spray nozzle part,
In being opened in the opening recess of said lid, offer said coating tap and said air flow circuit,
Said open and close valve is arranged on said gun main body.
5. according to claim 1 or claim 2 spray gun is characterized in that possessing:
The figure gas ejection ports, it is located at said main body, jet graphics gas;
The figure gas flow path, it is located at said main body, has said figure gas ejection ports.
6. Finish System is characterized in that possessing:
Each described spray gun in the claim 1～5;
The said paint feeding device that is coated with flow path supply coating to said spray gun;
Supply with compressed-air actuated atomizing to the said air flow circuit of said spray gun and use the compressed air feedway;
Control said spray gun open and close valve action and switch the said controller for opening and closing that is coated with the switching of flow path.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010234850A JP5654834B2 (en) | 2010-10-19 | 2010-10-19 | Spray gun, painting system |
| JP2010-234850 | 2010-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102451801A true CN102451801A (en) | 2012-05-16 |
| CN102451801B CN102451801B (en) | 2015-05-20 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203933303U Expired - Fee Related CN202290382U (en) | 2010-10-19 | 2011-10-17 | Spray gun and coating system |
| CN201110314116.9A Expired - Fee Related CN102451801B (en) | 2010-10-19 | 2011-10-17 | Spray gun and coating system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203933303U Expired - Fee Related CN202290382U (en) | 2010-10-19 | 2011-10-17 | Spray gun and coating system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5654834B2 (en) |
| KR (1) | KR101276589B1 (en) |
| CN (2) | CN202290382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234016A (en) * | 2016-03-29 | 2017-10-10 | 本田技研工业株式会社 | Application nozzle, painting device and the coating process for using the application nozzle and device |
| CN114042553A (en) * | 2021-11-30 | 2022-02-15 | 陈天拨 | Spraying treatment device for fireproof coating on surface of electric wire cable bridge |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5654834B2 (en) * | 2010-10-19 | 2015-01-14 | 関西ペイント株式会社 | Spray gun, painting system |
| JP2014100644A (en) * | 2012-11-19 | 2014-06-05 | Anest Iwata Corp | Spray gun |
| JP7187275B2 (en) * | 2018-11-13 | 2022-12-12 | タクボエンジニアリング株式会社 | Spray gun equipment for painting |
| US20220226844A1 (en) * | 2021-01-15 | 2022-07-21 | Tanner M.J. Schmitz | Pneumatic rotary actuated spray gun |
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- 2011-10-17 CN CN2011203933303U patent/CN202290382U/en not_active Expired - Fee Related
- 2011-10-17 CN CN201110314116.9A patent/CN102451801B/en not_active Expired - Fee Related
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| JPS61283370A (en) * | 1985-06-06 | 1986-12-13 | Asahi Okuma Ind Co Ltd | Method and apparatus for controlling paint spray width of painting spray gun |
| JPH0919651A (en) * | 1995-05-02 | 1997-01-21 | Kaken Pharmaceut Co Ltd | Spray gun and granulation coating method using same |
| JPH10393A (en) * | 1996-06-12 | 1998-01-06 | Asahi Sanac Kk | Automatic coating gun |
| JP2003190851A (en) * | 2001-12-26 | 2003-07-08 | Asahi Sunac Corp | Portable multi-color coating apparatus, and hand spray gun with built-in plural valves used therefor |
| JP2005081301A (en) * | 2003-09-10 | 2005-03-31 | Yubi Kogyo Kk | Method for forming designable coating film |
| CN101610852A (en) * | 2007-02-08 | 2009-12-23 | Abb株式会社 | Air atomization coating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234016A (en) * | 2016-03-29 | 2017-10-10 | 本田技研工业株式会社 | Application nozzle, painting device and the coating process for using the application nozzle and device |
| US10265723B2 (en) | 2016-03-29 | 2019-04-23 | Honda Motor Co., Ltd. | Coating nozzle, coating apparatus, and coating method using the same |
| CN107234016B (en) * | 2016-03-29 | 2019-06-28 | 本田技研工业株式会社 | Coating nozzle, painting device and the coating process using the coating nozzle and device |
| CN114042553A (en) * | 2021-11-30 | 2022-02-15 | 陈天拨 | Spraying treatment device for fireproof coating on surface of electric wire cable bridge |
| CN114042553B (en) * | 2021-11-30 | 2023-01-17 | 新疆华电达坂城新能源有限公司 | Spraying treatment device for fireproof coating on surface of electric wire cable bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012086152A (en) | 2012-05-10 |
| JP5654834B2 (en) | 2015-01-14 |
| KR101276589B1 (en) | 2013-06-19 |
| CN202290382U (en) | 2012-07-04 |
| CN102451801B (en) | 2015-05-20 |
| KR20120040655A (en) | 2012-04-27 |
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