A paint spray gun with swirl injection

专利摘要:
The present invention relates to a paint spray gun, and more particularly, to a vortex spray paint spray gun which can easily change the spray state by a simple operation so that a constant coating state is always maintained regardless of the shape or surface state of the workpiece. . The present invention is a spray gun for spraying the paint mixed with compressed air intermittently sprayed through a predetermined pipe line, the flow path pipe is equipped with an opening (11a) and a cylindrical pipe line (11b) communicated to the downstream end of the pipe line (11) and a plurality of regulators mounted on the cylindrical conduit 11b of the flow conduit 11 via an anchoring pin 15 upstream, and capable of being twisted and deformed so as to change the conduit on the cylindrical conduit 11b ( 12) and an adjustment ring 13 and the flow pipe 11 mounted to accommodate the downstream end of the flow pipe 11 and connected to a downstream side of the adjuster 12 via the pivot pin 14. And a filter assembly (20) mounted on an upstream side of the filter plate and forming an axial flow path and an axial flow path through a plurality of filter plates (22) and (23). Regardless of the shape or surface condition of the workpiece There is an effect such that always maintain a certain coating conditions.
公开号:KR20000058570A
申请号:KR1020000032873
申请日:2000-06-15
公开日:2000-10-05
发明作者:전중오
申请人:전중오；
IPC主号:

专利说明:

A paint spray gun with swirl injection}
The present invention relates to a paint spray gun, and more particularly, to a vortex spray paint spray gun which can easily change the spray state by a simple operation so that a constant coating state is always maintained regardless of the shape or surface state of the workpiece. .
In general, a spray gun for spraying paint using high pressure compressed air is used in a wide range of paint application. Such high pressure air is readily available from a separate compressor or from existing plant air piping, but a high volume low pressure (HVLP) paint spray gun is available for higher transfer efficiency and therefore reduced air pollution. Also used.
Referring to FIG. 10, the spray gun includes a handle 1 having a conduit through which paint and compressed air flow, a needle valve 3 mounted on a conduit with a spring 4 on the conduit, and a needle. A lever 2 or the like for operating the valve 3. Also downstream of the needle valve 3, a nozzle for adjusting the spray form is mounted.
Therefore, in the painting work using the spray gun, it requires only the operating force to intercept the compressed air by pressing the lever 2 by hand, and it is easy to control the spraying form on the object, thus reducing the work man-hours and improving the skill of the operator. There is an advantage that is less affected by.
However, if the surface of the coating object is composed of many uneven or complex surface, the spray angle should be changed by frequently changing the direction of the spray gun in order to make the coating thickness constant.
In addition, there is a disadvantage in that the coating thickness is unnecessarily increased and the material cost is increased compared to the manual application.
Accordingly, the present invention is to solve the above-mentioned disadvantages, to provide a vortex spray paint spray gun to maintain a constant coating state at all times irrespective of the shape or surface state of the object by easily changing the spray state by a simple operation For that purpose.
In order to achieve the above object, the present invention provides a spray gun for intermittently spraying paint mixed with compressed air through a predetermined conduit: an opening (11a) and a cylindrical conduit (11b) communicating with a downstream end of the conduit. A flow path tube 11 equipped with and installed; A plurality of adjusters 12 mounted on the cylindrical pipe line 11b of the flow pipe 11 via an anchoring pin 15 upstream and capable of being twisted and deformed to change the flow path on the cylindrical pipe line 11b; An adjustment ring 13 mounted to receive a downstream end of the flow pipe 11 and connected to a downstream side of the adjuster 12 via the pivot pin 14; And a filter assembly 20 mounted on an upstream side of the flow path pipe 11 to form an axial flow path and an axial flow path through the plurality of filter plates 22 and 23.
As another feature of the present invention, the adjuster 12 is mounted in the same number as the opening 11a at a position to minimize the flow resistance through the opening 11a of the flow path tube 11.
As another feature of the present invention, the filter plates 22 and 23 are alternately arranged in which the circumferential surface is not cut and those cut at uniform intervals, and each protrusion 22a protruding on the axial flow path. 23a is provided.
1 is a block diagram showing a nozzle assembly of a paint gun according to the present invention;
FIG. 2 is a cross-sectional view of a portion A-A of FIG. 1;
3 to 6 are cross-sectional views of the B-B portion, the C-C portion, the D-D portion, and the E-E portion of FIG. 2, respectively.
7a and 7b is a configuration diagram showing the external and internal state of the adjustment ring, respectively,
8 is an exploded perspective view showing a filter assembly of a paint gun according to the present invention;
9 is a configuration diagram showing the assembled state of FIG.
10 is an exemplary view showing an overall configuration of a paint gun to which the present invention is applied.
〈Explanation of the Signs of Major Parts of Drawings〉
10: nozzle assembly 11, 22: flow path pipe
12: adjuster 13: adjusting ring
14, 15: pin 16: housing
20: filter assembly 22, 23: filter plate
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
10 is an exemplary view showing an overall configuration of a paint gun to which the present invention is applied.
The present invention relates to a spray gun that allows paint mixed with compressed air to be intermittently sprayed through a predetermined conduit, in addition to the main components of the handle (1), lever (2), needle valve (3), etc., as described above. A nozzle assembly 10 and an upstream filter assembly 20 are provided at a downstream end of the conduit.
1 is a block diagram showing a nozzle assembly of a paint gun according to the present invention, Figure 2 is a cross-sectional view showing the AA portion of Figure 1, Figures 3 to 6 are respectively the BB portion, CC portion, DD portion of FIG. And EE cut | disconnected and shown.
The nozzle assembly 10 is a configuration in which the flow path pipe 11, the adjuster 12, and the adjustment ring 13 are independently molded and integrally assembled.
The flow path pipe 11 according to the present invention is equipped with an opening 11a and a cylindrical pipe line 11b communicating with a downstream end of the pipe line. 1 to 5, the cylindrical conduit 11b of the flow path tube 11 is revealed, particularly in FIG. 3. The opening 11a of the flow path tube 11 is shown in FIGS. 1 to 6, and in particular, the opening 11a of the cylindrical line 11b is not seen in FIG. 6. The opening 11a is formed in uniform size and space | interval, and four places are suitable as shown.
Such a flow path pipe 11 forms an opening 11a and a cylindrical pipe path 11b through machining of a lathe, milling, drilling, etc. when using a metal material, while using a plastic material without injection processing. Molded.
In addition, according to the present invention, a plurality of regulators 12 are mounted on the cylindrical pipe line 11b of the flow path pipe 11 via the fixing pin 15. The plurality of adjusters 12 are formed of a rod-like material of the same size and formed of a torsionally deformable material to change the flow path on the cylindrical conduit 11b. The action of this regulator 12 will be described later.
At this time, the adjuster 12 is mounted in the same number as the opening 11a at a position to minimize the flow resistance through the opening 11a of the flow path tube 11. That is, when the adjuster 12 is installed in the axial direction between the opening 11a and the opening 11a as shown, the flow resistance is minimized. Unnecessary flow resistance reduces power spray and increases power consumption.
In addition, according to the present invention, the adjustment ring 13 is mounted to accommodate the downstream end of the flow pipe (11). The adjustment ring 13 is rotatably mounted to surround the outer surface of the flow path tube 11 on the upstream side and at the same time to contact the outer surface of the adjuster 12 on the downstream side to block the cylindrical pipe line 11b of the flow path tube 11. I never do that.
At this time, the adjustment ring 13 is connected to the downstream side of the control body 12 via the pivot pin (14). Therefore, when the adjusting ring 13 is rotated on the flow pipe 11, the upstream end of the adjuster 12 fixed to the flow pipe 11 by the fixing pin 15 remains, but the pivot pin 14 is fixed to the control ring 13. The downstream end of the adjusting body 12 fixed by) rotates at the same angle. That is, the adjuster 12 is accompanied by a torsional deformation like a spiral on the cylindrical conduit 11b of the flow passage 11.
7A and 7B are diagrams illustrating the external and internal states of the adjustment ring, respectively.
As described above, since the plurality of adjusters 12 are twisted and deformed at the same time as the adjustment ring 13 is rotated, the cylindrical channel 11b of the channel 11 is formed as a spiral channel instead of an axial channel. This results in vortex spraying of the paint. As shown by reference signs 13a and 16a in FIG. 7A, the leader line is preferably engraved so as to easily recognize the rotation direction of the adjuster 12 from the outside. In FIG. 7B, the rotational state of the adjusting body 12 according to the rotation of the adjusting ring 13 is illustrated.
8 is an exploded perspective view showing a filter assembly of a paint gun according to the present invention, and FIG. 9 is a configuration diagram showing the assembled state of FIG.
According to the present invention, the filter assembly 20 is mounted upstream of the flow path tube 11 and forms an axial flow path and an axial flow path through the plurality of filter plates 22 and 23. The plurality of filter plates 22 and 23 are fixed to the flow path tube 21 with bolts 24. The flow path tube 21 of the filter assembly 20 has a flow path matching with the flow path tube 11 of the nozzle assembly 10, as shown in FIGS.
These filter plates 22 and 23 are alternately arranged in which the circumferential surface is not cut and those cut at even intervals. Reference numeral 22 is a form in which radial flow paths are formed on a disc, and 23 is a shape in which the radial flow paths are cut at equal intervals. According to such a structure, as shown in FIG. 9, the axially perpendicular flow through the filter plate of code 23 occurs first, and then the axial flow through both filter plates 22 and 23 occurs, and the paint passes through the flow path tube 21. It is transferred to the nozzle assembly 10. At this time, the size of the flow path in the axial flow is related to the filtering capacity.
At this time, the filter plates 22 and 23 have respective projections 22a and 23a projecting on the axial flow path. The projections 22a and 22b are all formed on respective flow paths that are radially divided, so that the turbulent state is caused before the paint reaches the nozzle assembly 10 so as to facilitate vortex formation in the nozzle assembly 10.
1 to 10 will be described the assembly and operation according to the present invention.
In the assembly, mounting of the filter assembly 20 is preceded by the nozzle assembly 10. A plurality of filter plates 22 and 23 are stacked to be fastened to the flow path tube 21 by bolts 24, and then the assembly is housed. Insert into (25). Next, using the fixing pin 15, the flow pipe 11 equipped with the plurality of regulators 12 is in close contact with the flow pipe 21 of the filter assembly 20, and the above-described structure is further described as another housing 16 from the outside. Coupling with the housing 25 of one filter assembly 20. The assembly is then completed by mounting the adjusting ring 13 on the exposed end of the flow path pipe 11 and inserting the pivot pin 14 toward the adjuster 12 from the outside.
In operation, when working on the plane of the object, the adjustment ring 13 is placed in a neutral position such that the paint is sprayed in a straight state as indicated by " straight " in FIG. However, when approaching the curved surface or uneven portion in the plane by rotating the adjustment ring 13 in the corresponding direction so that the paint is sprayed in a vortex state. Whenever the shape of bending or irregularities of the work object is changed, the eddy current can be immediately changed to the left, neutral, and right by rotating the adjusting ring 13 while checking the leader line 13a.
On the other hand, it is also possible to form a serration (wrinkle) on the contact surface of the adjustment ring 13 and the housing 16 in order to maintain the state when the adjustment ring 13 is rotated in one direction so as not to return arbitrarily. .
According to the above configuration and action, the present invention has an effect of maintaining a constant coating state at all times irrespective of the shape or surface state of the workpiece by changing the spray state easily by a simple operation.

权利要求:
Claims (3)
[1" claim-type="Currently amended] A spray gun that allows paint mixed with compressed air to be intermittently sprayed through a predetermined pipe line,
A flow passage pipe 11 mounted with an opening 11a and a cylindrical pipe passage 11b communicating with a downstream end of the pipe passage;
A plurality of adjusters 12 mounted on the cylindrical pipe line 11b of the flow pipe 11 via an anchoring pin 15 upstream and capable of being twisted and deformed so as to change the flow path on the cylindrical pipe line 11b;
An adjustment ring 13 mounted to accommodate a downstream end of the flow pipe 11 and connected to a downstream side of the adjuster 12 via the pivot pin 14;
Vortex injection type, characterized in that it comprises a filter assembly (20) mounted on an upstream side of the flow path pipe (11) and forming an axial flow path and an axial flow path through a plurality of filter plates (22, 23). Paint spray gun.
[2" claim-type="Currently amended] The vortex spray paint spray gun according to claim 1, wherein the adjuster (12) is mounted in the same number as the opening (11a) at a position to minimize the flow resistance through the opening (11a) of the flow pipe (11). .
[3" claim-type="Currently amended] 2. The filter plates (22) and (23) according to claim 1, wherein the filter plates (22) and (23a) are alternately arranged in which the circumferential surface is not cut out and cut at even intervals, and each projection (22a) (23a) protrudes on an axial flow path. Vortex spray paint spray gun, characterized in that it comprises a).

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同族专利:

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公开号 | 公开日

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引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2000-06-15|Application filed by 전중오

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2000-06-15|Priority to KR1020000032873A

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2000-06-15|Priority claimed from KR1020000032873A

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2000-10-05|Publication of KR20000058570A

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2002-11-11|Application granted

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2002-11-11|Publication of KR100360455B1

优先权:

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申请号 | 申请日 | 专利标题

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KR1020000032873A|KR100360455B1|2000-06-15|A paint spray gun with swirl injection|