CN206622620U - A kind of 3D printing metal dust powder manufacturing apparatus - Google Patents
A kind of 3D printing metal dust powder manufacturing apparatus Download PDFInfo
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- CN206622620U CN206622620U CN201720392229.3U CN201720392229U CN206622620U CN 206622620 U CN206622620 U CN 206622620U CN 201720392229 U CN201720392229 U CN 201720392229U CN 206622620 U CN206622620 U CN 206622620U
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- manufacturing apparatus
- metal dust
- vacuum melting
- tank
- atomization
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Abstract
The utility model discloses a kind of 3D printing metal dust powder manufacturing apparatus, including framework platform and the vacuum melting device, atomising device and the powder collection device that are sequentially communicated, vacuum melting device includes the vacuum melting furnace on framework platform and melting kettle and holding furnace in vacuum melting furnace, atomising device includes the atomization tank on framework platform and the atomization spray disk at the top of atomization tank, holding furnace is connected by the mozzle that bottom is set with the atomization spray disk, and vacuum melting furnace and atomization tank are connected by pipeline with a pumped vacuum systems.The utility model can prepare tiny particle diameter, narrow particle size distribution, sphericity height, good fluidity, the 3D printing metal dust and metal powder for powder metallurgy that oxygen content is low and apparent density is high.
Description
Technical field
Field of preparing metal powder is the utility model is related to, more particularly to a kind of energy continuous production 3D printing metal dust
Device.
Background technology
In recent years, 3D printing Manufacturing Technology Development is rapid, by the very big concern of countries in the world.Suitable for the micro- of 3D printing
The exploitation preparation of thin globular metallic powder is an important bottleneck of 3D printing.3D printing metal dust need to meet that particle diameter is tiny
（Mainly select particle diameter 10 ~ 53um sections）, narrow particle size distribution, sphericity height, good fluidity, oxygen content be low and the spies such as apparent density is high
Point.The preparation of the superfine spherical metal powder of current domestic high quality is also in the laboratory research stage, there is no method to realize industry
Metaplasia is produced, and limits the development of domestic 3D printing manufacturing technology.And gas atomization is one kind master of current production metal dust
Method is wanted, its principle is：Liquid metals is broken into tiny drop using high velocity air impact molten metal and quickly cooled down
Solidification, so as to form metal dust.Gas-atomized powder technology production efficiency is high, cost is low, is efficient system more feasible at present
The technology of standby spherical powder.But metal needs to reduce pollution as far as possible during being atomized as metal dust, and vacuum condition must
Indispensable, in current centrifugal atomizing equipment, the rotating speed of rotating electrode atomized equipment is too low because mechanical reason can not improve
Rotating speed makes spherical powder particles excessive, but if the rotating speed of rotating electrode atomized equipment improves, can only use very expensive machine again
Tool and sealing system, therefore it is necessary to improve.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided it is thin that one kind can prepare particle diameter
Small, narrow particle size distribution, sphericity height, good fluidity, the 3D printing that oxygen content is low and apparent density is high are set with metal dust powder
It is standby.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of 3D printing metal dust powder manufacturing apparatus, including framework platform, in addition to the vacuum melting dress being sequentially communicated
Put, atomising device and powder collection device, the vacuum melting device include the vacuum melting on the framework platform
Stove and melting kettle and holding furnace in vacuum melting furnace, the atomising device include the atomization on framework platform
Tank and the atomization spray disk at the top of atomization tank, the holding furnace spray disk with the atomization by the mozzle that bottom is set and connected
Logical, the vacuum melting furnace and atomization tank are connected by pipeline with a pumped vacuum systems.
Further improvement as above-mentioned technical proposal：
Preferably, the framework platform is provided with medium frequency heating power source, and the vacuum melting furnace passes through the heating in medium frequency
Power supply heats.
Preferably, the framework platform is provided with one and is used for toward online addition alloy and trace element in the melting kettle
Rotary feeder.
Preferably, the pipeline between the vacuum melting furnace and pumped vacuum systems, which is provided with, is used to fill into vacuum melting furnace
Enter the charge valve of inert gas.
Preferably, it is provided with the vacuum melting furnace and is used to stir what the metal material in the melting kettle was stirred
Bar is mixed, described puddler one end is stretched out in outside the bell of vacuum melting furnace.
Preferably, the atomization spray disk is close coupled type spray disk.
Preferably, the atomization tank is provided with gas high pressure valve.
Preferably, the pumped vacuum systems is mainly made up of mechanical pump, lobe pump and diffusion pump.
Preferably, the powder collection device connects powder tank and second including first and connects powder tank, and described first to connect powder tank direct
The underface of the atomization tank is sealedly attached to, described second connects powder tank is connected to the atomization tank by a cyclone dust collectors
Side.
Preferably, it is provided with blast pipe at the top of the cyclone dust collectors.
Compared with prior art, the utility model has the advantage of：
3D printing of the present utility model metal dust powder manufacturing apparatus, by set atomising device, vacuum melting device with
And pumped vacuum systems, when pumped vacuum systems is evacuated to certain vacuum to atomising device and vacuum melting device, you can
Melt process is carried out to the metal material in melting kettle in vacuum melting device, and disk pair is sprayed by the atomization in atomising device
Molten metal after warm stove insulation carries out atomization process.Tiny particle diameter, narrow particle size distribution, sphericity height, flowing can be prepared
The 3D printing metal dust and metal powder for powder metallurgy that property is good, oxygen content is low and apparent density is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Marginal data：
1st, melting kettle；2nd, pumped vacuum systems；3rd, vacuum melting furnace；4th, atomization tank；5th, medium frequency heating power source；6th, it is incubated
Stove；7th, charge valve；8th, mozzle；9th, gas high pressure valve；10th, atomization spray disk；11st, first powder tank is connect；12nd, cyclone dust collectors；
13rd, second powder tank is connect；14th, blast pipe；15th, framework platform；16th, rotary feeder；17th, puddler.
Embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the scope of protection of the utility model is not limited to embodiment in detail below.
Embodiment 1
Referring to Fig. 1, a kind of 3D printing of the present utility model embodiment of metal dust powder manufacturing apparatus, including framework platform
15 and the vacuum melting device, atomising device and the powder collection device that are sequentially communicated, vacuum melting device melted including vacuum
Furnace 3, melting kettle 1 and holding furnace 6, vacuum melting furnace 3 is on framework platform 15, and melting kettle 1 and holding furnace 6 are located at true
In empty smelting furnace 3, and melting kettle 1 is located at the top of holding furnace 6.Atomising device includes atomization tank 4 and atomization spray disk 10（Tight coupling
Box-like spray disk）, atomization tank 4 is on framework platform 15, and atomization spray disk 10 is located at the top of atomization tank 4 and positioned at holding furnace 6
Lower section, holding furnace 6 are connected by the mozzle 8 that bottom is set with atomization spray disk 10, and vacuum melting furnace 3 and atomization tank 4 pass through
Pipeline and a pumped vacuum systems 2（Mainly it is made up of mechanical pump, lobe pump and diffusion pump）Connection.The utility model is by setting mist
Makeup is put, vacuum melting device and pumped vacuum systems, and atomising device and vacuum melting device are vacuumized in pumped vacuum systems
During to certain vacuum, you can carry out melt process to the metal material in melting kettle in vacuum melting device, and pass through
Molten metal after atomization spray disk in atomising device is incubated to warm stove carries out atomization process.It can prepare particle diameter it is tiny,
Narrow particle size distribution, sphericity height, good fluidity, the 3D printing metal dust and powder metallurgy that oxygen content is low and apparent density is high
Use metal dust.
In the present embodiment, medium frequency heating power source 5 and rotary feeder 16, vacuum melting are additionally provided with framework platform 15
Stove 3 is heated by medium frequency heating power source 5；Rotary feeder 16 is used for toward online addition alloy and micro member in melting kettle 1
Element.
In the present embodiment, the pipeline between vacuum melting furnace 3 and pumped vacuum systems 2 is provided with charge valve 7, for vacuum
Inert gas is filled with smelting furnace 3（Argon gas or nitrogen）Pressure-fired in stove.
In the present embodiment, puddler 17 is inserted with vacuum melting furnace 3, the one end of puddler 17 stretches out in the stove of vacuum melting 3
Bell outside.Puddler 17 is used to be stirred the metal material in melting kettle 1, avoids the metal material in melting kettle 1
Material occurs building bridge in fusion process, ties the generation of arch situation.
In the present embodiment, atomization tank 4 is provided with gas high pressure valve 9.Open gas high pressure valve 9, you can pass through atomization
Spray disk 10 and high-pressure fog powder is carried out to the metal liquid that atomization spray disk 10 is flowed to along mozzle 8.
In the present embodiment, powder collection device connects powder tank 11 and second including first and connects powder tank 13, and first to connect powder tank 11 straight
The underface for being sealedly attached to atomization tank 4 is connect, second connects powder tank 13 is connected to the one of atomization tank 4 by a cyclone dust collectors 12
Side.The top of cyclone dust collectors 12 is provided with blast pipe 14.Manufactured powder major part centralized collection is connect in powder tank 11 to first, on a small quantity
Fine powder is collected to second after the concentration of cyclone dust collectors 12 and connect in powder tank 13, and the gas into system drains into room by blast pipe 14
It is outer or pass through sack cleaner heel row to outdoor.
In the present embodiment, framework platform 15 is steelframe platform, and it includes staircase, platform etc., mainly whole equipment is entered
Row support is fixed, while facilitates technician to carry out operation and maintenance maintenance to equipment.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of 3D printing metal dust powder manufacturing apparatus, including framework platform, it is characterised in that：It is also true including being sequentially communicated
Empty smelting apparatus, atomising device and powder collection device, the vacuum melting device are included on the framework platform
Vacuum melting furnace and melting kettle and holding furnace in vacuum melting furnace, the atomising device include being located at framework platform
On atomization tank and the atomization spray disk at the top of atomization tank, the holding furnace pass through the mozzle that sets of bottom and the mist
Change spray disk connection, the vacuum melting furnace and atomization tank are connected by pipeline with a pumped vacuum systems.
2. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：Set on the framework platform
There is medium frequency heating power source, the vacuum melting furnace is heated by the medium frequency heating power source.
3. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：Set on the framework platform
There is one to be used for toward the rotary feeder of online addition alloy and trace element in the melting kettle.
4. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：The vacuum melting furnace with
Pipeline between pumped vacuum systems is provided with the charge valve for being used for that inert gas to be filled with into vacuum melting furnace.
5. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：In the vacuum melting furnace
Provided with the puddler for being stirred to the metal material in the melting kettle, described puddler one end stretches out in vacuum and melted
Outside the bell of furnace.
6. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：The atomization spray disk is tight
Manifold type spray disk.
7. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：The atomization tank is provided with
Gas high pressure valve.
8. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：The pumped vacuum systems master
To be made up of mechanical pump, lobe pump and diffusion pump.
9. 3D printing according to claim 1 metal dust powder manufacturing apparatus, it is characterised in that：The powder collection device
Powder tank and second is connect including first and connects powder tank, and described first connects the underface that powder tank is directly sealedly attached to the atomization tank, institute
State second and connect the side that powder tank is connected to the atomization tank by a cyclone dust collectors.
10. 3D printing according to claim 9 metal dust powder manufacturing apparatus, it is characterised in that：The cyclone dust collectors
Top is provided with blast pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392229.3U CN206622620U (en) | 2017-04-14 | 2017-04-14 | A kind of 3D printing metal dust powder manufacturing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392229.3U CN206622620U (en) | 2017-04-14 | 2017-04-14 | A kind of 3D printing metal dust powder manufacturing apparatus |
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| CN206622620U true CN206622620U (en) | 2017-11-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803511A (en) * | 2017-12-25 | 2018-03-16 | 株洲双菱科技有限公司 | One kind is without crucible vacuum gas-atomized powder equipment and its milling method |
| CN107824795A (en) * | 2017-12-25 | 2018-03-23 | 株洲双菱科技有限公司 | Test-type 3D printing metal atomization fuel pulverizing plant and its milling method |
| CN111142600A (en) * | 2020-01-16 | 2020-05-12 | 南京工业大学 | Powder collection and cooling automatic control system used in vacuum gas atomization powder preparation process |
| CN112658269A (en) * | 2020-12-18 | 2021-04-16 | 江苏威拉里新材料科技有限公司 | Vacuum atomization powder manufacturing automation equipment |
-
2017
- 2017-04-14 CN CN201720392229.3U patent/CN206622620U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803511A (en) * | 2017-12-25 | 2018-03-16 | 株洲双菱科技有限公司 | One kind is without crucible vacuum gas-atomized powder equipment and its milling method |
| CN107824795A (en) * | 2017-12-25 | 2018-03-23 | 株洲双菱科技有限公司 | Test-type 3D printing metal atomization fuel pulverizing plant and its milling method |
| CN111142600A (en) * | 2020-01-16 | 2020-05-12 | 南京工业大学 | Powder collection and cooling automatic control system used in vacuum gas atomization powder preparation process |
| CN111142600B (en) * | 2020-01-16 | 2021-05-28 | 南京工业大学 | Powder collection and cooling automatic control system used in vacuum gas atomization powder preparation process |
| CN112658269A (en) * | 2020-12-18 | 2021-04-16 | 江苏威拉里新材料科技有限公司 | Vacuum atomization powder manufacturing automation equipment |
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