CN102879153B - Special experimental detection device for spray guns - Google Patents
Special experimental detection device for spray guns Download PDFInfo
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- CN102879153B CN102879153B CN201210354963.2A CN201210354963A CN102879153B CN 102879153 B CN102879153 B CN 102879153B CN 201210354963 A CN201210354963 A CN 201210354963A CN 102879153 B CN102879153 B CN 102879153B
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Abstract
A special experimental detection device for spray guns is characterized by including a pressure vessel, an air supply device, a spray gun and an electric control device, wherein the electric control device is connected with the pressure vessel; an injection nozzle is arranged in the pressure vessel; a water level observation window is arranged on the pressure vessel; a plurality of spray gun interfaces connected with the spray gun are formed in the pressure vessel; the air supply device includes a main air supply tube, branch air supply tubes and an air supply tank; the main air supply tube is an annular air supply tube; and the branch air supply tubes are uniformly distributed on the annular air supply tube, and are hermetically communicated with an air inlet pipe of the spray gun, The detection device has a simple structure, is convenient to use, and can be used for accurately and timely obtaining the airtightness data of the spray gun, as well as simultaneously obtaining the airtightness data of a plurality of spray guns.
Description
Technical field
The present invention relates to a kind of spray gun air tightness detection equipment, be specifically related to the experimental detection device that a kind of spray gun is special.
Background technology
Spray gun mainly adopts air pressure generation atomizing effect to be sprayed by the nozzle of spray gun, sprinkler body to be gone directly jet hole by air duct, the ejecta of ejection atomization, higher air pressure will obtain large injection energy and thinner atomizing effect, spray gun is most important is exactly control to spray air pressure, and the intensity of variation of air pressure can affect service property (quality) widely.
At present, spray gun have studied the spray gun of a lot of shape and structure around identical or similar use principle, but a good detection method is not had for spray gun impermeability, only spray gun structure is improved, and have ignored these most important performance index of impermeability of spray gun, and the not good using function of spray gun assemblage that causes of impermeability declines, although structure improves to some extent, but be not optimized on using function, the function of spray gun cannot be given full play to.
Therefore, researching and developing a kind of special experimental detection device of spray gun of studying has been problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide the experimental detection device that a kind of spray gun is special, structure is simple, easy to use, can accurately and timely obtain spray gun impermeability data, and can obtain the impermeability data of multiple spray gun simultaneously.
Technical scheme of the present invention is: the experimental detection device that a kind of spray gun is special, it is characterized in that: comprise pressure vessel, feeder, spray gun and electrical control gear, electrical control gear Bonding pressure container, pressure vessel is provided with water filling port, pressure vessel is provided with water-level observation window, pressure vessel offers multiple spray gun interface be connected with spray gun, feeder comprises main air supply pipe, branch's air supply pipe and air feed tank, main air supply pipe is annular air supply pipe, annular air supply pipe is uniformly distributed Duo Gen branch air supply pipe, the draft tube of branch's air supply pipe and spray gun seals UNICOM.Structure is simple, easy to use, can accurately and timely obtain spray gun impermeability data, and can obtain the impermeability data of multiple spray gun simultaneously.Spray gun will carry out bubble-tight detection before being taken into use, the feeder of the experimental detection device that spray gun is special is inflated to spray gun, gas in spray gun transmits inside pressure vessel, the bubble situation of spray gun ejection gas can be observed, when another aspect stops jet inside pressure vessel, the water observed inside pressure vessel can or can not be back to gas-filled tube inside spray gun, thus reaches the bubble-tight object of detection spray gun.
Preferably, described water-level observation window comprises mounting interface seat and observation window.
Preferably, described observation window transparent PVC makes.
Preferably, described mounting interface seat and pressure vessel are integrated.Such good airproof performance.
Preferably, described observation window is fixed on the outside of described mounting interface seat by flange.
Preferably, be provided with elastic sealing strip between described flange and mounting interface seat, described elastic sealing strip is rubber gasket.
Preferably, be provided with dividing plate in described mounting interface seat, dividing plate and observation window interval are arranged, and dividing plate and observation window be arranged in parallel.
Preferably, described dividing plate top is welded with the upper inside walls of mounting interface seat, forms open channels between the bottom of dividing plate and the downside inwall of mounting interface seat.
Preferably, water level float is provided with between described observation window and dividing plate.
Preferably, the diameter of described water level float is greater than the bore of open channels.
Preferably, described observation window outer circumference is provided with reinforced sheet circle, described reinforced sheet circle is fixed on observation window.
Preferably, the bottom of described pressure vessel is provided with support, and the movable castor with brake is arranged at support bottom.
Preferably, described support is made up of arc plate, gusset, rectangular tube, pipe end plug, base plate and side plate, side plate is vertically welded on base plate, gusset is vertically welded on side plate and base plate simultaneously, gusset is vertically welded with rectangular tube, rectangle pipe end is welded with pipe end plug, and side plate and gusset are welded with arc plate.
Preferably, described pressure vessel top is provided with tensimeter, blowdown valve and pressure switch, and the bottom of pressure vessel is provided with draining copper ball valve.
Preferably, gaseous tension in described pressure vessel requires between 0.25-0.3Mpa, pressure vessel top is provided with pressure and regulates interface and pressure switch interface, and the pressure in pressure vessel regulates and regulates the blowdown valve on interface jointly to realize with the pressure switch being arranged on pressure switch interface by being arranged on pressure.
Preferably, the design of pressure of described pressure switch is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drives blowdown valve to close exhaust passage, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch positive transition, drives blowdown valve to open exhaust passage, is vented outward.
Preferably, described spray gun is connected with pressure vessel by spray gun interface, and the inlet end that the pressurized air from air feed tank passes through spray gun to gas jet in pressure vessel, and forms dense lather through nozzle, spray gun normal operating conditions pressure requirements is 0.40Mpa, the unlatching gaseous tension of spray gun is 0.3Mpa, and when pressure is higher than 0.3Mpa, spray gun is opened, gas jet in pressure vessel, when pressure is lower than 0.3Mpa, spray gun cuts out automatically, stops gas jet in pressure vessel.
Preferably, the inlet end of described spray gun adopts a circulation to be interrupted air feed control system, and then air feed 10s disconnects air feed 2s, circulates 100 times, and make spray gun repeatedly start stopping 100 times, system stops automatically, judges according to the service condition of experimental result to spray gun.
Preferably, the experimental detection device that spray gun is special once can check 10 spray guns.
Preferably, described spray gun comprises nozzle, three-way connection and cylinder block, plug is provided with between nozzle and three-way connection, three-way connection have one lead to for inlet end, fixed by hexagon socket head cap screw and packing ring between three-way connection and cylinder block, the axis of spray gun is provided with push rod, push rod one end is connected to other one end on plug and is connected on the connection end that three-way connection is connected with cylinder block, the push rod of cylinder block and three-way connection connecting portion is provided with piston, the push rod position be connected on piston is provided with spring, push rod one end in cylinder block is undertaken being connected on the display pole that the other end is connected in the setting nut of cylinder block end by piston and the push rod of three-way connection, the push rod being connected to setting nut position is also provided with spring.
Preferably, described nozzle goes back hoop and has taper joint.
Preferably, also guide pole is provided with between described nozzle and plug.
Preferably, described plug is that taper is blocked up.
Preferably, also be connected with one section of barral of a gun between nozzle and three-way connection, be provided with support ring in barral of a gun, support ring is fixed on the inwall of barral of a gun, support ring hoop is on push rod, and the push rod in barral of a gun is extend in three-way connection and is connected with the push rod in three-way connection with hex bolts by joint.
Preferably, described nozzle goes back hoop and has taper joint.
Preferably, also guide pole is provided with between described nozzle and plug.
Preferably, described plug is that taper is blocked up.
Preferably, electrical control gear is switch board, is provided with blowdown valve between switch board and pressure vessel.
Preferably, in pressure vessel, gaseous tension is between 0.25-0.3Mpa, and pressure regulates the pressure signal input control cabinet obtained by pressure switch, drives blowdown valve to realize controlling by switch board.
Preferably, the design of pressure of pressure switch is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drives blowdown valve to close exhaust passage by switch board, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch positive transition, drives blowdown valve to open exhaust passage, is vented outward.
Advantageous Effects of the present invention is:
(1) structure is simple, easy to use, can accurately and timely obtain spray gun impermeability data;
(2) the impermeability data of multiple spray gun can be obtained simultaneously;
(3) spray gun will carry out bubble-tight detection before being taken into use, and the feeder of the experimental detection device that spray gun is special is inflated to spray gun, and the gas in spray gun transmits inside pressure vessel, can observe the bubble situation of spray gun ejection gas;
(4), when stopping jet inside pressure vessel, the water observed inside pressure vessel can or can not be back to gas-filled tube inside spray gun.
Accompanying drawing explanation
Fig. 1 is the structural representation of the special experimental detection device of embodiment of the present invention spray gun;
Fig. 2 is the structural representation of pressure vessel of the present invention and electrical control gear;
Fig. 3 is the structural representation of pressure vessel of the present invention;
Fig. 4 is the structural representation of pressure vessel of the present invention and spray gun;
Fig. 5 is the structural representation of spray gun of the present invention;
Fig. 6 is the structural representation of spray gun of the present invention.
In figure, 1 is pressure vessel, 2 is feeder, 3 is spray gun, 4 is electrical control gear, 5 is water filling port, 6 is water-level observation window, 7 is spray gun interface, 8 is main air supply pipe, 9 is branch's air supply pipe, 10 is air feed tank, 11 is mounting interface seat, 12 is observation window, 13 is flange, 14 is dividing plate, 15 is open channels, 16 is water level float, 17 is support, 18 is movable castor, 19 is tensimeter, 20 is blowdown valve, 21 is pressure switch, 22 is draining copper ball valve, 23 is pressure adjustment interface, 24 is pressure switch interface, 25 is nozzle, 26 is three-way connection, 27 is cylinder block, 28 is plug, 29 is inlet end, 30 is push rod, 31 is piston, 32 is spring, 33 is setting nut, 34 is display pole, 35 is guide pole, 36 is barral of a gun, 37 is support ring.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The experimental detection device that a kind of spray gun is special, it is characterized in that: comprise pressure vessel 1, feeder 2, spray gun 3 and electrical control gear 4, electrical control gear 4 Bonding pressure container 1, pressure vessel 1 is provided with water filling port 5, pressure vessel 1 is provided with water-level observation window 6, pressure vessel 1 offers multiple spray gun interface 7 be connected with spray gun 3, feeder 2 comprises main air supply pipe 8, branch's air supply pipe 9 and air feed tank 10, main air supply pipe 8 is annular air supply pipe, annular air supply pipe is uniformly distributed Duo Gen branch air supply pipe 9, branch's air supply pipe 9 seals UNICOM with the draft tube of spray gun 3.
It is also that described water-level observation window 6 comprises mounting interface seat 11 and observation window 12.
It is also that described observation window 12 makes of transparent PVC.
It is also that described mounting interface seat 11 is integrated with pressure vessel 1.
It is also that described observation window 12 is fixed on the outside of described mounting interface seat 11 by flange 13.
It is also to be provided with elastic sealing strip between described flange 13 and mounting interface seat 11, and described elastic sealing strip is rubber gasket.
It is also to be provided with dividing plate 14 in described mounting interface seat 11, and dividing plate 14 and observation window 12 interval are arranged, and dividing plate 14 and observation window 12 be arranged in parallel.
It is also that described dividing plate 14 top is welded with the upper inside walls of mounting interface seat 11, forms open channels 15 between the bottom of dividing plate 14 and the downside inwall of mounting interface seat 11.
It is also to be provided with water level float 16 between described observation window 12 and dividing plate 14.
It is also that the diameter of described water level float 16 is greater than the bore of open channels 15.
It is also described observation window 12 outer circumference is provided with reinforced sheet circle, and described reinforced sheet circle is fixed on observation window.
It is also that the bottom of described pressure vessel 1 is provided with support 17, and the movable castor 18 with brake is arranged at support 17 bottom.
It is also that described support 17 is made up of arc plate, gusset, rectangular tube, pipe end plug, base plate and side plate, side plate is vertically welded on base plate, gusset is vertically welded on side plate and base plate simultaneously, gusset is vertically welded with rectangular tube, rectangle pipe end is welded with pipe end plug, and side plate and gusset are welded with arc plate.
It is also that described pressure vessel 1 top is provided with tensimeter 19, blowdown valve 20 and pressure switch 21, and the bottom of pressure vessel 1 is provided with draining copper ball valve 22.
It is also that the gaseous tension in described pressure vessel 1 requires between 0.25-0.3Mpa, pressure vessel 1 top is provided with pressure and regulates interface 23 and pressure switch interface 24, and the pressure in pressure vessel 1 regulates and regulates the blowdown valve 20 on interface 23 jointly to realize with the pressure switch 21 being arranged on pressure switch interface 24 by being arranged on pressure.
It is also that the design of pressure of described pressure switch 21 is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, the negative saltus step of pressure switch 21, drives blowdown valve 20 to close exhaust passage, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch 21 positive transition, drives blowdown valve 20 to open exhaust passage, is vented outward.
It is also that described spray gun 3 is connected with pressure vessel 1 by spray gun interface, from the pressurized air of air feed tank 10 by the inlet end 29 of spray gun 3 through nozzle 25 to gas jet in pressure vessel 1, and form dense lather, spray gun 3 normal operating conditions pressure requirements is 0.40Mpa, the unlatching gaseous tension of spray gun 3 is 0.3Mpa, when pressure is higher than 0.3Mpa, spray gun 3 is opened, gas jet in pressure vessel 1, when pressure is lower than 0.3Mpa, spray gun 3 cuts out automatically, stops gas jet in pressure vessel 1.
It is also that the inlet end 29 of described spray gun 3 adopts a circulation to be interrupted air feed control system, then air feed 10s disconnects air feed 2s, circulates 100 times, makes spray gun repeatedly start stopping 100 times, system stops automatically, judges according to the service condition of experimental result to spray gun.
It is also that the special experimental detection device of spray gun once can check 10 spray guns 3.
It is also that described spray gun 3 comprises nozzle 25, three-way connection 26 and cylinder block 27, plug 28 is provided with between nozzle 25 and three-way connection 26, three-way connection 26 have one lead to for inlet end 29, fixed by hexagon socket head cap screw and packing ring between three-way connection 26 and cylinder block 27, the axis of spray gun 3 is provided with push rod 30, push rod 30 one end is connected to other one end on plug 28 and is connected on the connection end that three-way connection 26 is connected with cylinder block 27, cylinder block 27 and the push rod 30 of three-way connection 26 connecting portion are provided with piston 31, push rod 30 position be connected on piston 31 is provided with spring 32, push rod 30 one end in cylinder block 27 is undertaken being connected on the display pole 34 that the other end is connected in the setting nut 33 of cylinder block 27 end by piston 31 and the push rod 30 of three-way connection 26, the push rod being connected to setting nut 33 position is also provided with spring 32.
It is also that described nozzle 25 goes back hoop taper joint.
It is also also to be provided with guide pole 35 between described nozzle 25 and plug 28.
It is also described plug 28 for taper block up.
It is also also to be connected with one section of barral of a gun 36 between nozzle 25 and three-way connection 26, support ring 37 is provided with in barral of a gun 36, support ring 37 is fixed on the inwall of barral of a gun 36, support ring 37 hoop is on push rod 30, and the push rod 30 in barral of a gun 36 is extend in three-way connection 26 and is connected with the push rod 30 in three-way connection 26 with hex bolts by joint.
It is also that described nozzle 25 goes back hoop taper joint.
It is also also to be provided with guide pole between described nozzle 25 and plug 28.
It is also described plug 28 for taper block up.
It is also that electrical control gear 4 is for switch board, is provided with blowdown valve between switch board and pressure vessel 1.
It is also that in pressure vessel 1, gaseous tension is between 0.25-0.3Mpa, and pressure regulates the pressure signal input control cabinet obtained by pressure switch 21, drives blowdown valve 20 to realize controlling by switch board.
It is also that the design of pressure of pressure switch 21 is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drives blowdown valve 20 to close exhaust passage by switch board, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch 21 positive transition, drives blowdown valve 20 to open exhaust passage, is vented outward.
Fig. 1 is the structural representation of the special experimental detection device of embodiment of the present invention spray gun, as shown in Figure 1, the special experimental detection device of spray gun comprises pressure vessel 1, feeder 2, spray gun 3 and electrical control gear 4, electrical control gear 4 Bonding pressure container 1, pressure vessel 1 is provided with water filling port 5, pressure vessel 1 is provided with water-level observation window 6, the both sides, bottom of pressure vessel 1 offer multiple spray gun interface 7 be connected with spray gun 3, feeder 2 comprises main air supply pipe 8, branch's air supply pipe 9 and air feed tank 10, main air supply pipe 8 is annular air supply pipe, annular air supply pipe is uniformly distributed Duo Gen branch air supply pipe 9, branch's air supply pipe 9 seals UNICOM with the draft tube of spray gun 3, water-level observation window 6 comprises mounting interface seat 11 and observation window, mounting interface seat 11 and pressure vessel 1 are integrated, observation window is fixed on the outside of described mounting interface seat 11 by flange 13, elastic sealing strip is provided with between flange 13 and mounting interface seat 11, described elastic sealing strip is rubber gasket, dividing plate 14 is provided with in mounting interface seat 11, dividing plate 14 and observation window interval are arranged, dividing plate 14 and observation window be arranged in parallel, dividing plate 14 top is welded with the upper inside walls of mounting interface seat 11, open channels 15 is formed between the bottom of dividing plate 14 and the downside inwall of mounting interface seat 11, water level float 16 is provided with between observation window and dividing plate 14, the diameter of water level float 16 is greater than the bore of open channels 15, the bottom of pressure vessel 1 is provided with support 17, movable castor 18 with brake is arranged at support 17 bottom, the special experimental detection device of spray gun once can check 10 spray guns 3.
Fig. 2 is the structural representation of pressure vessel of the present invention and electrical control gear, as shown in Figure 2, electrical control gear 4 Bonding pressure container 1, pressure vessel 1 is provided with water filling port 5, pressure vessel 1 is provided with water-level observation window 6, pressure vessel 1 offers multiple spray gun interface 7 be connected with spray gun 3, water-level observation window 6 comprises mounting interface seat and observation window, observation window is fixed on the outside of described mounting interface seat by flange 13, the bottom of pressure vessel 1 is provided with support 17, movable castor 18 with brake is arranged at support 17 bottom, pressure vessel 1 top is provided with tensimeter 19, blowdown valve 20 and pressure switch 21, the bottom of pressure vessel 1 is provided with draining copper ball valve 22.
Fig. 3 is the structural representation of pressure vessel of the present invention, as shown in Figure 3, electrical control gear 4 Bonding pressure container 1, pressure vessel 1 is provided with water filling port 5, pressure vessel 1 is provided with water-level observation window 6, pressure vessel 1 offers multiple spray gun interface 7 be connected with spray gun 3, water-level observation window 6 comprises mounting interface seat and observation window, observation window is fixed on the outside of described mounting interface seat by flange 13, the bottom of pressure vessel 1 is provided with support 17, movable castor 18 with brake is arranged at support 17 bottom, the bottom of pressure vessel 1 is provided with draining copper ball valve 22, gaseous tension in pressure vessel 1 requires between 0.25-0.3Mpa, pressure vessel 1 top is provided with pressure and regulates interface 23 and pressure switch interface 24, pressure in pressure vessel 1 regulates and regulates the blowdown valve 20 on interface 23 jointly to realize with the pressure switch 21 being arranged on pressure switch interface 24 by being arranged on pressure, the design of pressure of pressure switch 21 is between 0.25-0.3Mpa, when pressure is lower than 0.25Mpa, the negative saltus step of pressure switch 21, blowdown valve 20 is driven to close exhaust passage, stop being vented outward, when pressure is higher than 0.3Mpa, pressure switch 21 positive transition, drives blowdown valve 20 to open exhaust passage, is vented outward.
Fig. 4 is the structural representation of pressure vessel of the present invention and spray gun, as shown in Figure 4, pressure vessel 1 is provided with water-level observation window 6, pressure vessel 1 offers multiple spray gun interface 7 be connected with spray gun 3, water-level observation window 6 comprises mounting interface seat 11 and observation window 12, mounting interface seat 11 and pressure vessel 1 are integrated, observation window 12 is fixed on the outside of described mounting interface seat 11 by flange 13, elastic sealing strip is provided with between flange 13 and mounting interface seat 11, described elastic sealing strip is rubber gasket, dividing plate 14 is provided with in mounting interface seat 11, dividing plate 14 and observation window 12 interval are arranged, dividing plate 14 and observation window 12 be arranged in parallel, dividing plate 14 top is welded with the upper inside walls of mounting interface seat 11, open channels 15 is formed between the bottom of dividing plate 14 and the downside inwall of mounting interface seat 11, water level float 16 is provided with between observation window 12 and dividing plate 14, the diameter of water level float 16 is greater than the bore of open channels 15, the bottom of pressure vessel 1 is provided with support 17, movable castor 18 with brake is arranged at support 17 bottom, spray gun 3 is connected with pressure vessel 1 by spray gun interface, from the pressurized air of air feed tank 10 by the inlet end of spray gun 3 through nozzle to gas jet in pressure vessel 1, and form dense lather, spray gun 3 normal operating conditions pressure requirements is 0.40Mpa, the unlatching gaseous tension of spray gun 3 is 0.3Mpa, when pressure is higher than 0.3Mpa, spray gun 3 is opened, gas jet in pressure vessel 1, when pressure is lower than 0.3Mpa, spray gun 3 cuts out automatically, stop to gas jet in pressure vessel 1, the inlet end of spray gun 3 adopts a circulation to be interrupted air feed control system, then air feed 10s disconnects air feed 2s, circulate 100 times, spray gun is made repeatedly to start stopping 100 times, system stops automatically, judge according to the service condition of experimental result to spray gun.
Fig. 5 is the structural representation of spray gun of the present invention, as shown in Figure 5, spray gun 3 comprises nozzle 25, three-way connection 26 and cylinder block 27, plug 28 is provided with between nozzle 25 and three-way connection 26, three-way connection 26 have one lead to for inlet end 29, fixed by hexagon socket head cap screw and packing ring between three-way connection 26 and cylinder block 27, the axis of spray gun 3 is provided with push rod 30, nozzle 25 goes back hoop and has taper joint, plug 28 for taper block up, one section of barral of a gun 36 is also connected with between nozzle 25 and three-way connection 26, support ring 37 is provided with in barral of a gun 36, support ring 37 is fixed on the inwall of barral of a gun 36, support ring 37 hoop is on push rod 30, push rod 30 in barral of a gun 36 is extend in three-way connection 26 and is connected with the push rod 30 in three-way connection 26 with hex bolts by joint, nozzle 25 goes back hoop and has taper joint, also guide pole is provided with between nozzle 25 and plug 28, cylinder block 27 and the push rod 30 of three-way connection 26 connecting portion are provided with piston 31, push rod 30 position be connected on piston 31 is provided with spring 32, push rod 30 one end in cylinder block 27 is undertaken being connected on the display pole 34 that the other end is connected in the setting nut 33 of cylinder block 27 end by piston 31 and the push rod 30 of three-way connection 26, the push rod being connected to setting nut 33 position is also provided with spring 32.
Be illustrated as testing product, this product is the special bubble generator of industrial dressing equipment columned pneumatic flotation machine, comprise nozzle 25, plug 28, support ring 37, barral of a gun 36, inlet end 29, push rod 30, piston 31, spring 32 and setting nut 33 form, plug 28 and barral of a gun 36 being threaded with M8, barral of a gun 36 is fixed in rifle by support ring 37, produce thrust backward at plug place when inlet end 29 end has enough large air pressure to come in, overcome spring 32 elastic force, rifle is opened, when air pressure declines, when the power that gas produces on plug face is less than the elastic force of spring 32, rifle is under the elastic force effect of spring 32, nozzle 25 is blocked, realize jet blocking action, setting nut 33 can carry out suitable adjustment to the elastic force of spring 32, also can back-out, spring 32 is changed.Nozzle 25, support ring 37, barral of a gun 36 critical component adopts stainless steel material to make, and will, because of getting rusty to barral of a gun 36 slip generation resistance, make rifle opening and closing smooth and easy, durable in use.
Fig. 6 is the structural representation of spray gun of the present invention, as shown in Figure 6, spray gun 3 comprises nozzle 25, three-way connection 26 and cylinder block 27, plug 28 is provided with between nozzle 25 and three-way connection 26, three-way connection 26 have one lead to for inlet end 29, fixed by hexagon socket head cap screw and packing ring between three-way connection 26 and cylinder block 27, the axis of spray gun 3 is provided with push rod 30, push rod 30 one end is connected to other one end on plug 28 and is connected on the connection end that three-way connection 26 is connected with cylinder block 27, cylinder block 27 and the push rod 30 of three-way connection 26 connecting portion are provided with piston 31, push rod 30 position be connected on piston 31 is provided with spring 32, push rod 30 one end in cylinder block 27 is undertaken being connected on the display pole 34 that the other end is connected in the setting nut 33 of cylinder block 27 end by piston 31 and the push rod 30 of three-way connection 26, the push rod being connected to setting nut 33 position is also provided with spring 32, nozzle 25 goes back hoop and has taper joint, guide pole 35 is also provided with between nozzle 25 and plug 28, plug 28 for taper block up, nozzle 25 goes back hoop and has taper joint, also guide pole is provided with between nozzle 25 and plug 28.
Gaseous tension in pressure vessel 1 requires between 0.25-0.3Mpa, pressure vessel 1 top is provided with pressure and regulates interface 23 and pressure switch interface 24, and the pressure in pressure vessel 1 regulates and regulates the blowdown valve 20 on interface 23 jointly to realize with the pressure switch 21 being arranged on pressure switch interface 24 by being arranged on pressure.The design of pressure of pressure switch 21 is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, the negative saltus step of pressure switch 21, drives blowdown valve 20 to close exhaust passage, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch 21 positive transition, drives blowdown valve 20 to open exhaust passage, is vented outward.Spray gun 3 is connected with pressure vessel 1 by spray gun interface, from the pressurized air of air feed tank 10 by the inlet end 29 of spray gun 3 through nozzle 25 to gas jet in pressure vessel 1, and forming dense lather, spray gun 3 normal operating conditions pressure requirements is 0.40Mpa, and the unlatching gaseous tension of spray gun 3 is 0.3Mpa, when pressure is higher than 0.3Mpa, spray gun 3 is opened, gas jet in pressure vessel 1, when pressure is lower than 0.3Mpa, spray gun 3 cuts out automatically, stops gas jet in pressure vessel 1.The inlet end 29 of spray gun 3 adopts a circulation to be interrupted air feed control system, and then air feed 10s disconnects air feed 2s, circulates 100 times, and make spray gun repeatedly start stopping 100 times, system stops automatically, judges according to the service condition of experimental result to spray gun.The special experimental detection device of spray gun once can check 10 spray guns 3.In pressure vessel 1, gaseous tension is between 0.25-0.3Mpa, and pressure regulates the pressure signal input control cabinet obtained by pressure switch 21, drives blowdown valve 20 to realize controlling by switch board.The design of pressure of pressure switch 21 is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drives blowdown valve 20 to close exhaust passage by switch board, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch 21 positive transition, drives blowdown valve 20 to open exhaust passage, is vented outward.
Spray gun experimental check device implementation procedure illustrates:
1, this experimental check apparatus main body is a pressure vessel, and by water filling port toward water filling in container, water filling highly checks water level by water level observation window.
2, this verifying attachment water level requirement, will produce certain pressure to spray gun interface.
3, water level observation window adopts clear PVC material to make, and built-in ball float, can see that when water level raises ball float rises.
4, this experimental provision water level requires the height reaching water level observation window 1/2nd.
5, gas in container pressure requirements is between 0.25-0.3Mpa, and pressure regulates and regulates the blowdown valve of interface and the pressure switch of pressure switch interface jointly to realize by pressure.
6, pressure switch interface connects a pressure switch, and the design of pressure of pressure switch is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drives blowdown valve to close exhaust passage, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch positive transition, drives blowdown valve to open exhaust passage, is vented outward.
7, spray gun is connected with pressure vessel by spray gun interface, and the inlet end that pressurized air passes through spray gun to gas jet in container, and forms dense lather through nozzle.
8, the unlatching gaseous tension of spray gun is 0.3Mpa, and when pressure is higher than 0.3Mpa, spray gun is opened, gas jet in container, spray gun normal operating conditions pressure requirements is 0.40Mpa, when pressure is closed automatically lower than spray gun during 0.3Mpa, stops gas jet in container.
9, for reaching the object of inspection spray gun quality, the inlet end of spray gun adopts a circulation to be interrupted air feed control system, and then air feed 10s disconnects air feed 2s, circulates 100 times, and make spray gun repeatedly start stopping 100 times, system stops automatically.
10, judge according to the service condition of experimental result to spray gun.
11, this experimental provision once can check at most 10 spray guns.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (28)
1. the experimental detection device that a spray gun is special, it is characterized in that: comprise pressure vessel, feeder, spray gun and electrical control gear, electrical control gear Bonding pressure container, pressure vessel is provided with water filling port, pressure vessel is provided with water-level observation window, pressure vessel offers multiple spray gun interface be connected with spray gun, feeder comprises main air supply pipe, branch's air supply pipe and air feed tank, main air supply pipe is annular air supply pipe, annular air supply pipe is uniformly distributed Duo Gen branch air supply pipe, and the draft tube of branch's air supply pipe and spray gun seals UNICOM; Gaseous tension in described pressure vessel requires between 0.25-0.3Mpa, pressure vessel top is provided with pressure and regulates interface and pressure switch interface, and the pressure in pressure vessel regulates and regulates the blowdown valve on interface jointly to realize with the pressure switch being arranged on pressure switch interface by being arranged on pressure; The design of pressure of described pressure switch is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drives blowdown valve to close exhaust passage, stops being vented outward; When pressure is higher than 0.3Mpa, pressure switch positive transition, drives blowdown valve to open exhaust passage, is vented outward.
2. the experimental detection device that spray gun according to claim 1 is special, is characterized in that: described water-level observation window comprises mounting interface seat and observation window.
3. the experimental detection device that spray gun according to claim 2 is special, is characterized in that: described observation window is making of transparent PVC.
4. the experimental detection device that spray gun according to claim 2 is special, is characterized in that: described mounting interface seat and pressure vessel are integrated.
5. the experimental detection device that spray gun according to claim 2 is special, is characterized in that: described observation window is fixed on the outside of described mounting interface seat by flange and fastening bolt.
6. the experimental detection device that spray gun according to claim 5 is special, is characterized in that: be provided with elastic sealing strip between described flange and mounting interface seat, and described elastic sealing strip is rubber gasket.
7. the experimental detection device that spray gun according to claim 2 is special, is characterized in that: be provided with dividing plate in described mounting interface seat, and dividing plate and observation window interval are arranged, and dividing plate and observation window be arranged in parallel.
8. the experimental detection device that spray gun according to claim 7 is special, is characterized in that: described dividing plate top is welded with the upper inside walls of mounting interface seat, forms open channels between the bottom of dividing plate and the downside inwall of mounting interface seat.
9. the experimental detection device that spray gun according to claim 8 is special, is characterized in that: be provided with water level float between described observation window and dividing plate.
10. the experimental detection device that spray gun according to claim 9 is special, is characterized in that: the diameter of described water level float is greater than the bore of dividing plate and open channels.
The experimental detection device that 11. spray guns according to claim arbitrary in claim 1 to 10 are special, it is characterized in that: described observation window outer circumference is provided with reinforced sheet circle, described reinforced sheet circle is fixed on observation window.
The experimental detection device that 12. spray guns according to claim 11 are special, is characterized in that: the bottom of described pressure vessel is provided with support, and the movable castor with brake is arranged at support bottom.
The experimental detection device that 13. spray guns according to claim 12 are special, it is characterized in that: described support is made up of arc plate, gusset, rectangular tube, pipe end plug, base plate and side plate, side plate is vertically welded on base plate, gusset is vertically welded on side plate and base plate simultaneously, gusset is vertically welded with rectangular tube, rectangle pipe end is welded with pipe end plug, and side plate and gusset are welded with arc plate.
The experimental detection device that 14. spray guns according to claim 11 are special, is characterized in that: described pressure vessel top is provided with tensimeter, blowdown valve and pressure switch, and the bottom of pressure vessel is provided with draining copper ball valve.
The experimental detection device that 15. spray guns according to claim arbitrary in claim 1 to 10 are special, it is characterized in that: described spray gun is connected with pressure vessel by spray gun interface, from the pressurized air of air feed tank by the inlet end of spray gun through nozzle to gas jet in pressure vessel, and form dense lather, spray gun normal operating conditions pressure requirements is 0.40Mpa, the unlatching gaseous tension of spray gun is 0.3Mpa, when pressure is higher than 0.3Mpa, spray gun is opened, gas jet in pressure vessel, when pressure is lower than 0.3Mpa, spray gun cuts out automatically, stop to gas jet in pressure vessel.
The experimental detection device that 16. spray guns according to claim 15 are special, it is characterized in that: the inlet end of described spray gun adopts a circulation to be interrupted air feed control system, then air feed 10s disconnects air feed 2s, circulate 100 times, spray gun is made repeatedly to start stopping 100 times, system stops automatically, judges according to the service condition of experimental result to spray gun.
The experimental detection device that 17. spray guns according to claim 16 are special, is characterized in that: the special experimental detection device of spray gun once can check 10 spray guns.
The experimental detection device that 18. spray guns according to claim arbitrary in claim 1 to 10 are special, it is characterized in that: described spray gun comprises nozzle, three-way connection and cylinder block, plug is provided with between nozzle and three-way connection, three-way connection have one lead to for inlet end, fixed by hexagon socket head cap screw and packing ring between three-way connection and cylinder block, the axis of spray gun is provided with push rod, push rod one end is connected to other one end on plug and is connected on the connection end that three-way connection is connected with cylinder block, the push rod of cylinder block and three-way connection connecting portion is provided with piston, the push rod position be connected on piston is provided with spring, push rod one end in cylinder block is undertaken being connected on the display pole that the other end is connected in the setting nut of cylinder block end by piston and the push rod of three-way connection, the push rod being connected to setting nut position is also provided with spring.
The experimental detection device that 19. spray guns according to claim 18 are special, is characterized in that: described nozzle goes back hoop taper joint.
The experimental detection device that 20. spray guns according to claim 18 are special, is characterized in that: be also provided with guide pole between described nozzle and plug.
The experimental detection device that 21. spray guns according to claim 18 are special, is characterized in that: described plug is that taper is blocked up.
The experimental detection device that 22. spray guns according to claim 18 are special, it is characterized in that: between nozzle and three-way connection, be also connected with one section of barral of a gun, support ring is provided with in barral of a gun, support ring is fixed on the inwall of barral of a gun, support ring hoop is on push rod, and the push rod in barral of a gun is extend in three-way connection and is connected with the push rod in three-way connection with hex bolts by joint.
The experimental detection device that 23. spray guns according to claim 22 are special, is characterized in that: described nozzle goes back hoop taper joint.
24. experimental detection device special according to claim 22 spray gun, is characterized in that: be also provided with guide pole between described nozzle and plug.
25. experimental detection device special according to claim 22 spray gun, is characterized in that: described plug is that taper is blocked up.
The experimental detection device that 26. spray guns according to claim 14 are special, is characterized in that: electrical control gear is switch board, is provided with blowdown valve between switch board and pressure vessel.
The experimental detection device that 27. spray guns according to claim 26 are special, it is characterized in that: in pressure vessel, gaseous tension is between 0.25-0.3Mpa, pressure regulates the pressure signal input control cabinet obtained by pressure switch, drives blowdown valve to realize controlling by switch board.
The experimental detection device that 28. spray guns according to claim 26 are special, it is characterized in that: the design of pressure of pressure switch is between 0.25-0.3Mpa, and when pressure is lower than 0.25Mpa, pressure switch bears saltus step, drive blowdown valve to close exhaust passage by switch board, stop being vented outward; When pressure is higher than 0.3Mpa, pressure switch positive transition, drives blowdown valve to open exhaust passage, is vented outward.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103147192A (en) * | 2013-02-22 | 2013-06-12 | 珠海醋酸纤维有限公司 | Cooling water supply system for crimping machine |
| CN103471785A (en) * | 2013-09-16 | 2013-12-25 | 合肥力威汽车油泵有限公司 | Gas tightness detection device for products |
| CN106840634A (en) * | 2017-02-20 | 2017-06-13 | 广西凯纵机械制造有限公司 | Single head spray gun method of testing |
| CN109801549A (en) * | 2019-02-20 | 2019-05-24 | 中国恩菲工程技术有限公司 | Bottom convertor water model experimental provision and bottom convertor water model experimental method |
| CN109945740B (en) * | 2019-03-21 | 2024-02-27 | 哈尔滨工程大学 | Novel two-level light air gun driven by high-pressure air |
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