CN111687422A - Air atomization spray disk capable of simultaneously adjusting aperture of multiple nozzles through air pressure control - Google Patents
Air atomization spray disk capable of simultaneously adjusting aperture of multiple nozzles through air pressure control Download PDFInfo
- Publication number
- CN111687422A CN111687422A CN201910188775.9A CN201910188775A CN111687422A CN 111687422 A CN111687422 A CN 111687422A CN 201910188775 A CN201910188775 A CN 201910188775A CN 111687422 A CN111687422 A CN 111687422A
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- China
- Prior art keywords
- cavity
- nozzle
- blocking rod
- spray disk
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/088—Fluid nozzles, e.g. angle, distance
Abstract
The invention provides an air atomization spray disk capable of adjusting the aperture of a plurality of nozzles simultaneously through air pressure control. The movable blocking rod is arranged in the mounting cavity, the mounting cavity is sequentially provided with an upper cavity, a movable cavity and a fixed cavity from top to bottom, the movable blocking rod is sequentially sleeved with a spring, a first sealing ring, a fixed column and a plurality of second sealing rings, the spring is positioned in the movable cavity, the fixed column is mounted on the fixed cavity, the second sealing rings are positioned in the fixed column, and the bottom end of the movable blocking rod is inserted into the nozzle, so that the gas atomization spray plate capable of simultaneously adjusting the apertures of the plurality of nozzles is formed, the gas pressure, the flow and the flow velocity sprayed out by the nozzles meet the most proper technological requirements, the spray plate is suitable for manufacturing different metal powder materials, the spray plates with different apertures are replaced, gas is saved, the labor consumption for replacing the spray plates is saved, and the cost is.
Description
Technical Field
The invention relates to the technical field of metal powder processing machinery, in particular to an air atomization spray disk capable of adjusting the aperture of a plurality of nozzles simultaneously through air pressure control.
Background
In the production process of metal powder, the gas atomization method is one of the commonly used preparation methods of metal powder, and the gas atomization is to make metal liquid flow into small liquid drops by utilizing high-pressure gas sprayed from spray holes on a spray plate, and the small liquid drops are cooled to obtain the metal powder.
At present, the size of the spray holes on the spray plate is fixed and unchanged, so that the gas flow, the gas speed and the pressure sprayed by the spray plate are limited, therefore, the spray plate with different apertures needs to be manufactured or replaced to adapt to the requirements of various materials when different metal powder materials are manufactured, and the existing gas atomization spray plate has the following defects:
1. the gas sprayed by the spray disk is limited by the diameter of the fixed spray hole, so that the flow, the flow speed and the pressure of the gas are fixed, and the requirements of different materials cannot be met.
2. For manufacturing different metal powders, a plurality of spray disks with different apertures need to be manufactured, so that the manufacturing cost is high.
3. When different metal powders are manufactured, the spray disk needs to be replaced, so that time and labor are wasted, and the labor cost is increased.
The spraying hole diameter on the spraying disc is fixed and unchanged, so that gas is easily lost, resources are wasted, and the product cost is increased.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention provides an air atomization spray disk which can adjust the aperture of a plurality of nozzles simultaneously through air pressure control.
The technical scheme adopted by the invention is as follows: the utility model provides an atmospheric pressure control can adjust gas atomization of a plurality of nozzle apertures simultaneously and spout dish which characterized in that: the spray disc comprises a spray disc body, wherein a through hole is formed in the center of the bottom of the spray disc body, a control air chamber, a main gas injection chamber and a plurality of installation cavities are arranged in the spray disc body and surround the through hole, and nozzles with the number equal to that of the installation cavities are arranged on the bottom surface of the main gas injection chamber and are evenly distributed on the periphery of the through hole; each installation cavity is internally provided with a movable blocking rod, the installation cavity is sequentially provided with an upper cavity, a movable cavity and a fixed cavity from top to bottom, the upper cavity is communicated with the control gas cabin, the movable blocking rod is sequentially sleeved with a spring, a first sealing ring, a fixed column and a plurality of second sealing rings, the spring is located in the movable cavity, the fixed column is installed on the fixed cavity, the second sealing ring is located in the fixed column, and the bottom end of the movable blocking rod is inserted into the nozzle.
Preferably, the control air chamber is also provided with an air inlet valve and an air outlet valve.
Preferably, a pressure sensor is arranged in the control gas cabin.
Preferably, the nozzle is arranged obliquely and the bottom of the nozzle is close to the through hole.
Preferably, the nozzle is Y-shaped.
Preferably, the bottom end of the movable blocking rod is a chamfer angle.
Preferably, the outer side wall of the fixing column is provided with threads and is fixed on the fixing cavity through the threads, a sliding cavity is arranged inside the fixing column, and the second sealing ring is located in the sliding cavity.
Preferably, the second sealing ring is at least one or more than one.
The invention has the beneficial effects that: the invention controls the bottom end of the movable blocking rod to be inserted on the nozzle by controlling the air pressure of the control air chamber and the main air injection chamber, so as to change the size of the air outlet hole of the nozzle, further realize the adjustment of the size of the air outlet hole of the nozzle, and ensure that the pressure, the flow and the flow speed of the air sprayed by the nozzle meet the most proper process requirements.
Drawings
FIG. 1 is a top view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is a partial cross-sectional view of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some sub-embodiments of the present invention. Other embodiments, which can be derived by those skilled in the art from the embodiments given herein without any creative effort, shall fall within the scope of the present invention.
Referring to fig. 1-3, an air atomization spray disk with air pressure control capable of adjusting the aperture of a plurality of nozzles simultaneously according to an embodiment of the present invention includes a spray disk body 100. The central bottom of the spray disk body 100 is provided with a through hole 102, a control air chamber 1, a main air injection chamber 3 and a plurality of installation cavities 2 are arranged in the spray disk body in a manner of surrounding the through hole 102, and nozzles 101 with the same number as the installation cavities 2 are arranged on the bottom surface of the main air injection chamber 3, and the installation cavities 2 are evenly distributed on the periphery of the through hole 102. Each installation cavity 2 is internally provided with a movable blocking rod 8, the installation cavity 2 is sequentially provided with an upper cavity 21, a movable cavity 22 and a fixed cavity 23 from top to bottom, the upper cavity 21 is communicated with the control gas cabin 1, the movable blocking rod 8 is sequentially sleeved with a spring 4, a first sealing ring 5, a fixed column 6 and a plurality of second sealing rings 7, the spring 4 is positioned in the movable cavity 22, the fixed column 6 is installed on the fixed cavity 23, the second sealing rings 7 are positioned in the fixed column 7, and the bottom end of the movable blocking rod 8 is inserted into the nozzle 101.
Preferably, in the embodiment of the present invention, the control gas chamber 1 is further provided with an air inlet valve (not shown) and an air outlet valve (not shown), the air pressure in the control gas chamber 1 can be adjusted through the air inlet valve and the air outlet valve, the depth of the movable blocking rod 8 inserted into the nozzle 101 is adjusted, and further, the pressure, the flow rate and the flow velocity of the gas sprayed from the nozzle 101 meet the most suitable process requirements, so that the operation and the use of people are facilitated.
Preferably, in the embodiment of the present invention, a pressure sensor (not shown in the figure) is arranged in the control gas cabin 1, and is connected with an industrial personal computer for controlling the operation of the spray disk through the pressure sensor, so that people can conveniently know the gas pressure in the control gas cabin 1, people can conveniently control the gas pressure in the control gas cabin 1, and further, the depth of the movable blocking rod 8 inserted into the nozzle 101 can be effectively controlled, that is, the pressure, the flow rate and the flow velocity of the gas sprayed from the nozzle 101 can be effectively adjusted to meet the most suitable technological requirements, and people can conveniently operate and use the movable blocking rod.
Preferably, in the embodiment of the present invention, the nozzle 101 is disposed obliquely and the bottom of the nozzle 101 is close to the through hole 102, so that the gas sprayed from the nozzle 101 is aligned with the metal liquid flowing from the through hole 102.
Preferably, in the embodiment of the present invention, the nozzle 101 is in a "Y" shape, so that the size of the gas discharged from the nozzle 101 decreases with the insertion depth of the movable blocking rod 8, and further, the pressure, flow rate and flow rate of the gas sprayed from the nozzle 101 can be effectively adjusted to meet the most suitable process requirements.
Preferably, in the embodiment of the present invention, the bottom end of the movable blocking rod 8 is chamfered, so that the movable blocking rod 8 can be inserted into the nozzle 101.
Preferably, in the embodiment of the present invention, the outer side wall of the fixing column 6 is provided with a thread (not shown in the figure) and is fixed on the fixing cavity 23 through the thread, the inside of the fixing column 6 is provided with a sliding cavity 61, and the second sealing ring 7 is located in the sliding cavity 61, so that the second sealing ring 7 can effectively block the gas communication between the control gas cabin 1 and the main gas cabin 3.
Preferably, in the embodiment of the present invention, at least one or more second sealing rings 7 achieve a better sealing effect.
Preferably, in the embodiment of the present invention, an adjusting nut 9 is further mounted on the fixing column 6,
when the air pressure of the main air injection chamber 3 is larger than that of the control air chamber 1, the movable blocking rod 8 moves towards the control air chamber 1 under the air pressure of the main air injection chamber 3, at the moment, the gap between the movable blocking rod 8 and the nozzle 101 is larger and larger, and the movable blocking rod 8 stops moving towards the control air chamber 1 until the air pressure of the main air injection chamber 3 is equal to that of the control air chamber 1; when the air pressure of the main air injection cabin 3 is smaller than the control air cabin 1, the movable blocking rod 8 moves towards the main air injection cabin 3 under the air pressure of the control air cabin 1, at the moment, the gap between the movable blocking rod 8 and the nozzle 101 is smaller and smaller, and the movable blocking rod 8 stops moving towards the control air cabin until the air pressure of the main air injection cabin 3 is equal to the air pressure of the control air cabin 1. Therefore, the size of the air outlet aperture of the nozzle 101 can be adjusted by controlling the air pressure of the air cabin 1, so that the pressure, the flow and the flow speed of the air sprayed by the nozzle 101 meet the most appropriate process requirements, the spray disk disclosed by the invention is suitable for manufacturing different metal powder materials, the spray disks with different apertures are replaced, the air is saved, the labor consumption for replacing the spray disks is saved, and the cost is saved.
The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. And obvious changes and modifications which are within the spirit of the invention are deemed to be within the scope of the invention.
Claims (8)
1. The utility model provides an atmospheric pressure control can adjust gas atomization of a plurality of nozzle apertures simultaneously and spout dish which characterized in that: the spray disc comprises a spray disc body, wherein a through hole is formed in the center of the bottom of the spray disc body, a control air chamber, a main gas injection chamber and a plurality of installation cavities are arranged in the spray disc body and surround the through hole, and nozzles with the number equal to that of the installation cavities are arranged on the bottom surface of the main gas injection chamber and are evenly distributed on the periphery of the through hole; each installation cavity is internally provided with a movable blocking rod, the installation cavity is sequentially provided with an upper cavity, a movable cavity and a fixed cavity from top to bottom, the upper cavity is communicated with the control gas cabin, the movable blocking rod is sequentially sleeved with a spring, a first sealing ring, a fixed column and a plurality of second sealing rings, the spring is located in the movable cavity, the fixed column is installed on the fixed cavity, the second sealing ring is located in the fixed column, and the bottom end of the movable blocking rod is inserted into the nozzle.
2. The pneumatically controlled atomizing spray disk of claim 1 wherein the plurality of nozzle orifices are simultaneously adjustable, wherein: and the control air chamber is also provided with an air inlet valve and an air outlet valve.
3. The pneumatically controlled atomizing spray disk of claim 1 wherein the plurality of nozzle orifices are simultaneously adjustable, wherein: and a pressure sensor is arranged in the control gas cabin.
4. The pneumatically controlled atomizing spray disk of claim 1 wherein the plurality of nozzle orifices are simultaneously adjustable, wherein: the nozzle is arranged obliquely and the bottom of the nozzle is close to the through hole.
5. The pneumatically controlled atomizing spray disk of claim 4 with multiple nozzle orifices simultaneously adjustable, wherein: the nozzle is Y-shaped.
6. The pneumatically controlled atomizing spray disk of claim 1 wherein the plurality of nozzle orifices are simultaneously adjustable, wherein: the bottom end of the movable blocking rod is a chamfer angle.
7. The pneumatically controlled atomizing spray disk of claim 1 wherein the plurality of nozzle orifices are simultaneously adjustable, wherein: the outer side wall of the fixed column is provided with threads and is fixed on the fixed cavity through the threads, a sliding cavity is arranged inside the fixed column, and the second sealing ring is located in the sliding cavity.
8. The pneumatically controlled atomizing spray disk of claim 1 wherein the plurality of nozzle orifices are simultaneously adjustable, wherein: the second sealing ring is at least one or more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188775.9A CN111687422B (en) | 2019-03-13 | 2019-03-13 | Air atomization spray disk capable of simultaneously adjusting aperture of multiple nozzles through air pressure control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188775.9A CN111687422B (en) | 2019-03-13 | 2019-03-13 | Air atomization spray disk capable of simultaneously adjusting aperture of multiple nozzles through air pressure control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111687422A true CN111687422A (en) | 2020-09-22 |
| CN111687422B CN111687422B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910188775.9A Active CN111687422B (en) | 2019-03-13 | 2019-03-13 | Air atomization spray disk capable of simultaneously adjusting aperture of multiple nozzles through air pressure control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI797995B (en) * | 2022-02-17 | 2023-04-01 | 國立臺灣科技大學 | Environmentally friendly pneumatic visual art device |
| CN116275071A (en) * | 2023-05-17 | 2023-06-23 | 江苏威拉里新材料科技有限公司 | Gas atomization spray disc for preparing nano particle reinforced metal powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140190594A1 (en) * | 2013-01-09 | 2014-07-10 | Daniel James Branagan | Classes of Steels for Tubular Products |
| CN206104893U (en) * | 2016-10-10 | 2017-04-19 | 江西悦安超细金属有限公司 | Feed arrangement and centrifugal atomizing and pulverizing device of plasma combination |
| CN207026487U (en) * | 2017-06-19 | 2018-02-23 | 湖南久泰冶金科技有限公司 | The powder by atomization equipment of metal atomization powder double tundish devices and its composition |
| CN207951772U (en) * | 2017-12-14 | 2018-10-12 | 唐兵 | A kind of fluid injector |
-
2019
- 2019-03-13 CN CN201910188775.9A patent/CN111687422B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140190594A1 (en) * | 2013-01-09 | 2014-07-10 | Daniel James Branagan | Classes of Steels for Tubular Products |
| CN206104893U (en) * | 2016-10-10 | 2017-04-19 | 江西悦安超细金属有限公司 | Feed arrangement and centrifugal atomizing and pulverizing device of plasma combination |
| CN207026487U (en) * | 2017-06-19 | 2018-02-23 | 湖南久泰冶金科技有限公司 | The powder by atomization equipment of metal atomization powder double tundish devices and its composition |
| CN207951772U (en) * | 2017-12-14 | 2018-10-12 | 唐兵 | A kind of fluid injector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI797995B (en) * | 2022-02-17 | 2023-04-01 | 國立臺灣科技大學 | Environmentally friendly pneumatic visual art device |
| CN116275071A (en) * | 2023-05-17 | 2023-06-23 | 江苏威拉里新材料科技有限公司 | Gas atomization spray disc for preparing nano particle reinforced metal powder |
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| Publication number | Publication date |
|---|---|
| CN111687422B (en) | 2022-03-11 |
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