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Air atomizing nozzle with adjustable spray cone angle and spray gun with the nozzle

A technology of air atomization and spray cone angle, which is applied in the direction of the spray device, etc., and can solve the problems of being unable to adjust, affecting the atomization effect of the spray gun and spraying accuracy, and having no spray angle adjustment.

Active Publication Date: 2019-11-01
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are also deficiencies in the solutions of the prior art: the spray angle of the air atomization nozzle is fixed, and there is no mechanism for adjusting the spray angle. When using different kinds of coatings, the spray cone angle will be changed due to the difference in viscosity so that Affect the atomization effect and spraying accuracy of the spray gun
[0005] like figure 1 As shown, in the air atomizing nozzle 100, it includes an air atomizing nozzle body 21 and two liquid spraying parts 22, and each liquid spraying part 22 has a liquid spraying channel 221 communicated with the air atomizing nozzle body 21 and a liquid spraying channel 221 along the liquid spraying line. The two spray ports 222 set in the extending direction of the passage 221, the angle formed between the liquid spraying part 22 is α, and the angle α in the prior art solution cannot be adjusted

Method used

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  • Air atomizing nozzle with adjustable spray cone angle and spray gun with the nozzle
  • Air atomizing nozzle with adjustable spray cone angle and spray gun with the nozzle
  • Air atomizing nozzle with adjustable spray cone angle and spray gun with the nozzle

Examples

Experimental program
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Effect test

Embodiment 1

[0026] figure 2 It is a structural schematic diagram of the air atomizing nozzle with adjustable spray cone angle in Embodiment 1 of the present invention.

[0027] Such as figure 2 As shown, the adjustable spray cone angle air atomizing nozzle 200 in this embodiment includes an air atomizing nozzle body 11; at least two liquid spraying parts 12, when there are multiple liquid spraying parts 12, they can be arranged symmetrically to increase air atomization The degree of stability and spraying accuracy of the nozzle, in the present embodiment, there are two liquid spraying parts 12, each liquid spraying part 12 has a liquid spraying channel 121 communicated with the air atomizing nozzle body 11 and a spraying channel 121 arranged along the extending direction of the spraying liquid channel 121. At least one communication port 122, there are two communication ports 122 in the present embodiment; and the spray cone angle adjustment part 13 has at least one telescopic spray pi...

Embodiment 2

[0030] In the second embodiment, the same symbols are assigned to the same structures as those in the first embodiment, and the same descriptions are omitted.

[0031] image 3 It is a structural schematic diagram of the air atomizing nozzle with adjustable spray cone angle in the second embodiment of the present invention.

[0032] Such as image 3 As shown, the air atomizing nozzle 300 with adjustable spray cone angle in this embodiment also includes an arc-shaped sliding rail 135, which is arranged between the adjustment panel 132 and the liquid spraying part 12, and one end is movably connected to the joint 136 of the liquid spraying part; The other end is movably connected with the upper end of the adjustment panel 132, so that the upper end of the adjustment panel 132 slides on the arc slide rail 135. In this embodiment, the arc slide rail 135 is also provided with a scale and a locking mechanism (not shown), The spray cone angle can be intuitively adjusted to the desi...

Embodiment 3

[0035] In the third embodiment, the same symbols are assigned to the same structures as those in the second embodiment, and the same explanations are omitted.

[0036] Figure 4 It is a structural schematic diagram of the air atomizing nozzle with adjustable spray cone angle in the third embodiment of the present invention.

[0037] Such as Figure 4 As shown, the adjustable spray cone angle air atomizing nozzle 400 in this embodiment also includes a telescopic cover 137, which is arranged between the adjustment surface 132 and the liquid spraying part 12, and covers the telescopic spray pipe 131 and the curved slide rail 135. Above, one end is movably connected with the adjustment panel 132; the other end is movably connected with the liquid spraying part 12, and the telescopic cover 137 can be an organ protective cover or a guide rail protective cover. In this embodiment, the telescopic cover 137 is a guide rail protective cover. In the process of adjusting the spray cone ...

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PUM

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Abstract

The invention provides an air atomizing nozzle with an adjustable spray cone angle. The air atomizing nozzle comprises an air atomizing nozzle body, a liquid spray part and a spray cone angle adjusting part; the liquid spray part is provided with a liquid spray channel communicating with the air atomizing nozzle body, and a plurality of communicating ports formed in the extension direction of theliquid spray channel; the spray cone angle adjusting part is provided with a plurality of telescopic spray pipes and adjusting panels; the adjusting panels are provided with a plurality of spray ports; one of each telescopic spray pipe rotationally communicates with the corresponding communicating port in a matched mode, and the other end of each telescopic spray pipe rotationally communicates with the corresponding spray port in a matched mode; and the lower ends of the adjusting panels are rotationally connected to the air atomizing nozzle body. By pushing the adjusting panels, the telescopic spray pipes rotate around the liquid spray part, thus, the spray cone angle (namely the included angle between the adjusting panels) is adjusted, and the applicability of a spray gun to paint with different viscosities and the spraying precision are improved.

Description

technical field [0001] The invention relates to a mechanical device for dispersing liquid, in particular to an air atomizing nozzle with adjustable spray cone angle and a spray gun with the nozzle. Background technique [0002] Spray guns and air atomizing nozzles used on spray guns are a production tool that is widely used in various industries in society. The air atomized paint spray gun is a spraying tool widely used in various industries such as automobile painting, furniture manufacturing, and agriculture. It uses the aerodynamic force of high-pressure gas to break up the droplets of liquid paint to produce atomization, and spray the atomized particles to the surface of the object to be sprayed through the airflow to form a paint layer. The structure of the air nozzle greatly affects the atomization effect of the spray gun. [0003] Experiments have found that for a certain air nozzle, the atomization cone angle will change with the viscosity of the paint under the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B15/656B05B15/652
Inventor 李方博沈凯张振东葛洋洋王莹杰
Owner UNIV OF SHANGHAI FOR SCI & TECH