CN201350430Y

CN201350430Y - Electric spray gun air choke device

Info

Publication number: CN201350430Y
Application number: CNU2009200040499U
Authority: CN
Inventors: 黄荣崑
Original assignee: TSUNG MAO IND CO Ltd
Current assignee: TSUNG MAO IND CO Ltd
Priority date: 2009-01-24
Filing date: 2009-01-24
Publication date: 2009-11-25
Anticipated expiration: 2019-01-24

Abstract

An electric spray gun air choke device comprises a dividing blast nozzle, a choke plate and a head cover, wherein the dividing blast nozzle is provided with a center flow passage, a plurality of symmetrical angle flow passages and a plurality of symmetrical external flow passages, the choke plate is provided with an air outlet device, and the head cover can position the blast nozzle and the choke plate in a spray gun. The air choke device is characterized in that the air outlet device of the choke plate is provided with a center air vent and a plurality of circumferential air vents, wherein the center air vent and the circumferential air vents are respectively independent, and are not communicated with each other, at least an elastic electrical spray gun air choke device is arranged on the back of the choke plate, and comprises a dividing blast nozzle, a choke plate and a head piece, wherein an elastic piece is pressed in the spray gun, and provides the elasticity for the choke plate to attach to the dividing blast nozzle. Therefore, the choke plate can automatically attach to the dividing blast nozzle without needing air resistance, and the center air vent and the circumferential air vents can correctly supply the outlet air of the dividing blast nozzle.

Description

A kind of electric spray gun choke device

(1) technical field:

The utility model system is relevant with spray gun, more detailed it, especially finger can effectively improve the atomizing effect that sprays paint, and improves bad leeward pressure, reduces the loss and the hear rate of electromagnetic shock motor, choke plate initiatively is posted by the shunting tuyere, need not lean on blast strength, not have the not positive problem in location and produce, and adjust when rotating the shunting tuyere, can learn the anglec of rotation, make a kind of electric spray gun choke device of the correct adjustment of the various atomizings of spraying paint.

(2) background technology:

Press, in advance, the nozzle place of conventional lance has airflow apparatus, make the paint of ejection can reach spray pattern, as Fig. 1,2, shown in 3, nozzle 11 the place aheads configuration of main this spray gun for paint 100 has air block 12 and blocking plate 13, air block 12 and blocking plate 13 are located with a skull 14, skull 14 is to be arranged in spray gun for paint 100 front ends in the mode of being spirally connected, air block 12 has centre gangway 121, several electing property obstructions are big, little appearance channel 122 and ventilation channel 123 (as shown in Figure 2), this blocking plate 13 has cross capitiform mouth 131 (hole), to atomize from the paint that sprays in the kenel of spray gun for paint 100 nozzles 11 discharges, can adjust rotary air block 12, with air by the venting channels 123 in the air block 12, and when stopping up air and flowing through the interior appearance passage 122 of air block 12, paint is atomized into the circle kenel of spraying paint, or rotary air block 12 and direct air are by appearance passage 122, and stop up air flow through venting channels 123 time, can fogging oil paint the compression kenel of spraying paint; Because skull 14 is to locate air block 12 and blocking plate 13 in the mode of being spirally connected, want rotary air block 12, must block a shot at air and 12 keep little gap 15, can not fully air block 12 be compressed, air block 12 is rotated, and the blast of these spray gun for paint 100 generation push away air block 12 and blocking plate 13 forward during general operation, can make air cap cap 12 and blocking plate 13 applyings, rotary air block 12 still can produce above-mentioned described the atomizing situation of spraying paint, but produces following disappearance:

(1) wants washer jet 11 often, the device of air block 12 and blocking plate 13, after taking off, assembling again, often non-entirely true location skull 14, the rotation that has is not tight, the rotation tension that has, and this air block 12 and blocking plate 13 non-location fully, the deviation of a little angle is often arranged, thus, air block 12 and blocking plate 13 have the deviation of a little angle, adding japanning stain and residue in air block 12 and the blocking plate 13, is not that fit fully air block 12 and blocking plate 13 causes back pressure to have some setbacks, and the atomizing effect that is produced reduces, and increase the power loss of calutron (electro-motor), and improve its high temperature heat;

(2) cross capitiform mouth 131 is arranged is the state that is connected to blocking plate 13, when air block 12 and blocking plate 13 have the deviation of a little angle, do not have fully and fit, centre gangway 121, large and small appearance channel 122 and ventilation channel 123 are that mixing air is given vent to anger together, and centre and four jiaos of places do not have independent ventilation among this cross capitiform mouth 131;

(3) applying of air block 12 and blocking plate 13, only the blast by spray gun for paint 100 generation pushes away blocking plate 13 forward, does not then have blast during shut-down operation, one return toward one between, start easy generation of moment sinuous flow;

(4) adjust rotary air and blocked a shot 12 o'clock, can't learn the anglec of rotation, whether give vent to anger, or give vent to anger, must try to spray paint just to know by venting channels 123 by appearance passage 122.

(3) summary of the invention:

A kind of electric spray gun choke device of the utility model, its main purpose system provides effective raising atomizing effect that sprays paint, and improves bad leeward pressure, the loss and the hear rate of reduction electromagnetic shock motor.

A kind of electric spray gun choke device of the utility model, its another purpose system provides choke plate to have elastic force and can initiatively be posted by the shunting tuyere, need not lean on blast strength, not have the not positive problem in location and produce.

A kind of electric spray gun choke device of the utility model, its again purpose system provide when adjusting rotation shunting tuyere, can learn the anglec of rotation, do the correct adjustment of the various atomizings of spraying paint.

A kind of electric spray gun choke device of the utility model, it consists predominantly of:

One nozzle, in piston boit is arranged, the outflow of control paint is whether;

One shunting tuyere is provided with a center flow channels, several symmetrical angle runners and several symmetrical outer flow passages;

One choke plate is provided with air-out apparatus;

One skull will be shunted tuyere and choke plate and be positioned in the spray gun;

It is characterized in that: the air-out apparatus of this choke plate is provided with a centre porosity and number circumference pore, centre porosity and number circumference pore independently are not communicated with separately, be provided with at least one elastic component in this choke plate back side, elastic component presses in the spray gun, makes this choke plate tool elastic force be posted by the shunting tuyere; In view of the above, this choke plate need be not that automatic homing is posted by the shunting tuyere by windage, and centre porosity and number circumference pore are correctly supplied the shunting tuyere and given vent to anger.

A kind of electric spray gun choke device of the utility model, details are as follows once more for its technical scheme:

One choke plate is provided with air-out apparatus;

Wherein, this choke plate back side is provided with several reference columns, is provided with the locating slot of equal number with respect to spray gun, and reference column is sheathed for elastic component, and reference column is gone in the locating slot.

Wherein, this choke plate back side periphery is provided with circumferential edge, and this circumferential edge is provided with several notches, is provided with the fin of equal number with respect to spray gun, with notch and fin tabling, does the correction of choke plate angle.

Wherein, this choke plate front is provided with several concave points, is provided with several salient points with respect to the shunting tuyere, the angle of location when the rotation of shunting tuyere is provided.

A kind of electric spray gun choke device of the utility model, its advantage is: it effectively raises the atomizing effect that sprays paint, and has improved bad leeward pressure, has reduced the loss and the hear rate of electromagnetic shock motor.The choke plate that it provides has elastic force can initiatively be posted by the shunting tuyere, need not lean on blast strength, does not have the not positive problem in location and produces.It can learn the anglec of rotation providing when adjusting rotation shunting tuyere, does the correct adjustment of the various atomizings of spraying paint.

(4) description of drawings:

The generalized section of the known spray tip of Fig. 1

The floor map of the known spray gun air of Fig. 2 block

The floor map of the known spray gun blocking plate of Fig. 3

The schematic perspective view of Fig. 4 the utility model spray gun

The perspective exploded view of Fig. 5 the utility model choke device

The generalized section of Fig. 6 the utility model spray gun and choke device

Fig. 7 the utility model choke device is ventilated in the floor map of angle runner

The generalized section of the 8-8 of Fig. 8 Fig. 7

Fig. 9 the utility model choke device is ventilated in the floor map of outer flow passage

The generalized section of the 10-10 of Figure 10 Fig. 9

Number in the figure is as follows:

20 spray guns, 21 piston boits, 22 cylinder block

23 containers, 30 choke devices, 31 nozzles

32 shunting tuyeres, 33 choke plates, 34 skulls

321 center flow channels, 322 angle runners, 323 outer flow passages

331 air-out apparatus, 332 centre porosities, 333 circumference pores

334 reference columns, 35 elastic components, 24 locating slots

335 concave points, 324 salient points, 336 circumferential edge

337 notches, 25 fins

(5) specific embodiment:

At first, a kind of electric spray gun choke device of the utility model, extremely shown in Figure 10 as Fig. 4, main system is located at spray gun 20 front ends, and spray gun 20 is interior with generally identical, by piston boit 21 reciprocating action in cylinder block 22, make to open or block nozzle 31, with air pressure the paint in the container is drawn via container 23, spray through nozzle 31 (belong to general technology, do not give unnecessary details) at this; The choke device 30 of the utility model consists predominantly of a nozzle 31, one shunting tuyere 32, one choke plate 33 and a skull 34, in this nozzle 31 piston boit 21 is arranged, piston boit 21 shrink back or the outflow of the control paint that advances whether, this shunting tuyere 32 is a lid body, be provided with a center flow channels 321, several symmetries big, low-angle runner 322 and several symmetrical outer flow passages 323, center flow channels 321 is positioned at the center, therebetween for nozzle 31, and reservation one gap between nozzle 31 and the center flow channels 321, this angle runner 322 is formed by two protruding block inner passages, angle runner 322 is established two Kong Binglin, outer flow passage 323 is provided with four, and skull 34 will shunt tuyere 32 in the mode of being spirally connected and choke plate 33 is positioned in the spray gun;

The utility model is mainly improved choke plate 33 and spray gun 20 front end inner structures, choke plate 33 is provided with air-out apparatus 331, this air-out apparatus 331 is provided with a centre porosity 332 and number circumference pore 333, centre porosity 332 is located at the center, therebetween for nozzle 31, and reservation one gap between nozzle 31 and the centre porosity 332, number circumference pore 333 distributes for circular path, be provided with four circumference pores 333 and four outer flow passage 323 symmetries shunting tuyere 32, centre porosity 332 and four circumference pores 333 are independent separately not to be communicated with, be provided with four reference columns 334 in these choke plate 33 back sides, be sheathed on the reference column 334 with four elastic component 35 elastic components, elastic component 35 is a spring, be provided with four locating slots 24 with respect to spray gun 20, and reference column 334 goes in the locating slot 24, elastic component 35 is pressed in the spray gun 20, this choke plate 33 is compressed by elastic component 35 and has elastic force, and these choke plate 33 tools are posted by shunting tuyere 32 with elastic force;

These choke plate 33 fronts are provided with several concave points 335, be provided with several salient points 324 with respect to shunting tuyere 32, salient point 324 embeds mutually with concave point 335, during rotation shunting tuyere 32, can learn the angle of shunting tuyere 32 location, these choke plate 33 back side peripheries are provided with circumferential edge 336, this circumferential edge 336 is provided with several notches 337, be provided with the fin 25 of equal number with respect to spray gun 20, chimeric with notch 337 for fin 25, during assembling choke plate 33, as long as aim at notch 337 and fin 25, can assemble elastic component 35 and reference column in the locating slot 24 of spray gun 20, need not the correction of angle;

By above-mentioned textural association, a kind of electric spray gun choke device of the utility model, as Fig. 7, shown in Figure 8, when rotating to circumference pore 333 with choke plate 33, (can learn with salient point 324 tablings of shunting tuyere 32 when relative the angle runner 322 of shunting tuyere 32 by the concave point 335 of choke plate 33, and elastic component 35 pushes away elastic force before providing behind choke plate 33 escapes), air-flow is by giving vent to anger through the centre porosity 332 of choke plate 33 and through circumference pore 333 in this spray gun 20, centre porosity 332 gases through the shunting tuyere 32 center flow channels 321 and give vent to anger, circumference pore 333 through the shunting tuyere 32 angle runner 322 and give vent to anger, with draining of paint in the nozzle 31, and make paint injection atomizing kenel;

As Fig. 9, shown in Figure 10, when runner 323 outside the shunting tuyere 32 rotates to the circumference pore 333 of choke plate 33 relatively (the same can learning with salient point 324 tablings of shunting tuyere 32) by the concave point 335 of choke plate 33, air-flow is by giving vent to anger through the centre porosity 332 of choke plate 33 and through circumference pore 333 in this spray gun 20, centre porosity 332 gases through the shunting tuyere 32 center flow channels 321 and give vent to anger, circumference pore 333 is given vent to anger through shunting runner 323 outside the tuyere 32, with draining of paint in the nozzle 31, and make paint and be atomized into the circle kenel of spraying paint;

When the shunting tuyere 32 of the utility model is done angle rotation adjustment, can press and choke plate 33, because flexible 35 at choke plate 33 back sides, provide choke plate 33 1 elastic thrusts, this choke plate 33 need be not that automatic homing is posted by shunting tuyere 32 back sides by windage, this centre porosity 332 and number circumference pore 333 can correctly be supplied shunting tuyere 32 and give vent to anger thus, not having the not positive problem in location produces, and choke plate 33 is fitted fully and is shunted tuyere 32, back pressure is smooth and easy, the atomizing effect height that is produced reduces the power loss of calutron (electro-motor), and reduces the heat energy generation;

The centre porosity 332 of choke plate 33 and four circumference pores 333 are independent separately not to be communicated with, the trend of air-flow is clearly demarcated, do not produce sinuous flow, the concave point 335 of choke plate 33 is learnt correct adjustment angle position with salient point 324 tablings of shunting tuyere 32 again, make various paint injection atomizing kenels rapidly, and error free;

Moreover, the user often will dismantle choke device 30 and do to clean action, because this case choke plate 33 is provided with several notches 337, as long as it is chimeric notch 337 to be aimed at the fin 25 of spray gun 20, can assemble elastic component 35 and reference column in the locating slot 24 of spray gun 20, need not the correction of angle, assemble fast and make things convenient for.

Claims

1, a kind of electric spray gun choke device consists predominantly of:

One nozzle, in piston boit is arranged;

One shunting tuyere is provided with the angle runner of center flow channels, symmetry and the outer flow passage of symmetry;

One choke plate is provided with air-out apparatus;

It is characterized in that: the air-out apparatus of this choke plate is provided with centre porosity and circumference pore, centre porosity and circumference pore are independent separately not to be communicated with, be provided with at least one elastic component in this choke plate back side, elastic component presses in the spray gun, makes this choke plate tool elastic force be posted by the shunting tuyere.

2, the electric spray gun choke device according to claim 1, it is characterized in that: this choke plate back side is provided with reference column, is provided with the locating slot of equal number with respect to spray gun, and reference column is sheathed for elastic component, and reference column is gone in the locating slot.

3, the electric spray gun choke device according to claim 1, it is characterized in that: this choke plate back side periphery is provided with circumferential edge, and this circumferential edge is provided with notch, is provided with the fin of equal number with respect to spray gun, with notch and fin tabling.

4, the electric spray gun choke device according to claim 1, it is characterized in that: this choke plate front is provided with concave point, is provided with salient point with respect to the shunting tuyere.