CN106903302B - A kind of metal powder degassing, encapsulation, pincers envelope integration apparatus - Google Patents
A kind of metal powder degassing, encapsulation, pincers envelope integration apparatus Download PDFInfo
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- CN106903302B CN106903302B CN201710114614.6A CN201710114614A CN106903302B CN 106903302 B CN106903302 B CN 106903302B CN 201710114614 A CN201710114614 A CN 201710114614A CN 106903302 B CN106903302 B CN 106903302B
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- powder
- vacuum
- jacket
- transitional storehouse
- encapsulation
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
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Abstract
A kind of metal powder degassing, encapsulation, pincers envelope integration apparatus, including powder tank, powder tank are connected by powder mass flow speed governing valve one, vacuum corrugated pipe one with transitional storehouse；The bottom of transitional storehouse is connected by vacuum pipe one with dress powder jacket；The right end of transitional storehouse is connected by filter with vacuum valve, and vacuum valve is connected with vacuum pump set；After the vacuum degree of transitional storehouse, dress powder jacket reaches requirement, it is connected to powder tank and transitional storehouse, powder flows into dress powder jacket；Transitional storehouse powder overflows, the alarm of powder level detecting apparatus；Powder of the pipeline heating system convection current through transitional storehouse heats degasification；The powder of powder tank 1 is inadequate, and weighing system alarm more renews powder tank；Tube wall vibration device prevents vacuum pipe one from blocking；After being packed into a certain amount of powder, powder mass flow speed governing valve is closed, shaking platform is opened and realizes powder in jacket middle-high density jolt ramming；After having been charged into the powder jolt ramming of jacket, continue to fill powder；Have the characteristics that easy to operate, degassing effect is good, tap density is high.
Description
Technical field
The invention belongs to powder metallurgical technologies, and in particular to a kind of metal powder degassing, encapsulation, pincers envelope integration are set
It is standby.
Background technology
The preparation of metal powder degassing jacket is to obtain the critical process of high-quality powder metallurgy blank, and high-quality powder closes
The golden main purposes of blank is for manufacturing high performance aero-engine turbine disk, in order to ensure that aero-engine turbine disk has
There are enough material properties, the equipment for obtaining metal powder degassing jacket needed for high-quality powder metallurgy blank is particularly critical.
During preparing metal powder degassing sheathing process, all easily absorption is external for metal powder granulates and jacket itself
Water, hydrogen, oxygen in environment, and there is density gradient in jacket dress powder short transverse in the powder density after powder loading jacket
Difference, there are low density, gases to contain for the powder metallurgy blank that two kinds of situations make when degasification being caused to be wrapped in follow-up hot isostatic pressing
It measures the defects of high, finally cannot be used for making qualified aero-engine turbine disk.
The equipment of current existing metal powder degassing jacket is all only to carry out degasification to jacket, has ignored powder itself
The removal of adsorbed gas, it is bad to eventually lead to whole degassing effect, additionally, due to lacked in equipment necessary environmental monitoring and
Powder position is detected, the metal powder degassing jacket unstable quality finally obtained, and integration of equipments degree is not high, operation is numerous
It is trivial, subsequently also to carry out secondary degasification etc..
The present invention not only considers to carry out degasification to jacket ontology, it is also contemplated that the gas on powder surface itself is removed,
Environmental monitoring and the detection of powder position are increased simultaneously, it is final to ensure to obtain stable and reliable quality metal powder degassing jacket, in addition,
After the degasification of metal powder, encapsulation, pincers envelope are integrated, equipment integrated degree is high, easy to operate.
Invention content
To overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of metal powder degassing, encapsulation, pincers
Integration apparatus is sealed, the shortcomings of poor existing equipment degassing effect, unstable quality, not high device integration is solved, finally obtains
Obtain high-quality powder metallurgy blank.
To achieve the above object, the technical solution adopted by the present invention is：A kind of metal powder degassing, encapsulation, pincers envelope one
Change equipment, including powder tank, powder tank are connected by powder mass flow speed governing valve one, vacuum corrugated pipe one with transitional storehouse；The bottom of transitional storehouse
Portion is connected by vacuum pipe one with dress powder jacket；The right end of transitional storehouse is connected by filter with vacuum valve, vacuum valve with
Vacuum pump set is connected.
The powder pot bottom is equipped with weighing system.
The transitional storehouse be equipped with observation panel, vacuum detecting instrument, gas analysis instrument, powder level detecting apparatus one and
Pipeline heating system.
On the vacuum pipe one by it is upper under successively be equipped with powder mass flow speed governing valve two, powder mass flow speed governing valve three,
Vacuum corrugated pipe two；
Tube wall vibration device is installed on the tube wall of the vacuum pipe one.
Vacuum pipe one between the tube wall vibration device and powder mass flow speed governing valve three is equipped with powder level detecting apparatus
Two.
The powder inlet of the dress powder jacket is equipped with hydraulic tongs seal apparatus, waits for that powder level detecting apparatus detection jacket powder is packed into
After amount arrival powder position requires height, hydraulic tongs seal apparatus is sealed powder jacket powder inlet is filled.
The dress powder jacket bottom is equipped with shaking platform.
The shaking platform is designed using three-dimensional vibrating direction.
Vacuum pipe two is equipped between the vacuum valve and vacuum pump set；One section of vacuum wave is equipped among vacuum pipe two
Line pipe three.
The vacuum pump set includes that one group of sliding vane rotary vacuum pump and one group of diffusion vacuum pump, working vacuum reach 5 × 10- 3Pa。
The beneficial effects of the invention are as follows：
The present invention be it is a set of by metal powder under vacuum conditions degasification, encapsulation, pincers inside back cover process be combined it is complete,
Stable, efficient metal powder jacket Preparation equipment.Improve metal powder degassing jacket preparation efficiency, it is easy to operate, remove
Gas effect is good, tap density is high, meets the follow-up hot isostatic pressing that carries out to filling the requirements such as powder jacket air content is low, consistency is high.
Specific advantage is as follows：
Entire powder deaeration jacket preparation process realizes degasification under vacuum environment, encapsulation, pincers inside back cover process are combined,
Equipment operation is easy, and integrated degree is high.
Entire powder deaeration jacket preparation process realizes degasification while to jacket and powder, and degassing effect is good.
Entire powder deaeration jacket preparation process realizes the monitoring to environmental gas, including vacuum degree, water, oxygen, hydrogen
Detection ensure that quality prepared by degasification jacket.
Entire powder deaeration jacket preparation process realizes the detection of filling amount, include to the detection of powder amount in powder tank, with
And the detection of the final filling amount of jacket, it ensure that the stabilization, reliable of degasification jacket preparation process.
Description of the drawings
Fig. 1 is the structural schematic diagram of metal powder degassing of the present invention, encapsulation, pincers envelope integration apparatus.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, a kind of metal powder degassing, encapsulation, pincers envelope integration apparatus, including powder tank 1, which is characterized in that powder
Tank 1 is connected by powder mass flow speed governing valve 1, vacuum corrugated pipe 1 with transitional storehouse 6；The bottom of transitional storehouse 6 passes through vacuum pipe
One 10 are connected with dress powder jacket 12；The right end of transitional storehouse 6 is connected by filter 16 with vacuum valve 17, vacuum valve and vacuum machine
Group 18 is connected.
1 bottom of powder tank is equipped with weighing system 2, and weighing system 2 detects 1 powder of powder tank at any time during filling powder
Surplus replaces powder tank 1 in time such as powder deficiency.
The transitional storehouse 6 is equipped with observation panel 7, vacuum detecting instrument 14, gas analysis instrument 15, powder level detecting apparatus
One 5 and pipeline heating system 8, powder of 8 convection current of pipeline heating system through transitional storehouse 6 heats degasification.
On the vacuum pipe 1 powder mass flow speed governing valve 2 19, powder mass flow speed governing valve are equipped with successively under by upper
3 20, vacuum corrugated pipe 2 21；
Tube wall vibration device 9 is installed on the tube wall of the vacuum pipe 1, prevents the blocking in powder transmission process.
Vacuum pipe 1 between the tube wall vibration device 9 and powder mass flow speed governing valve 3 20 is detected equipped with powder position
Device 2 24.
The powder inlet of the dress powder jacket 12 is equipped with hydraulic tongs seal apparatus 11, waits for that powder level detecting apparatus 24 detects jacket powder
After last charge weight arrival powder position requires height, hydraulic tongs seal apparatus 11 is sealed 12 powder inlet of powder jacket is filled.
12 bottom of dress powder jacket is equipped with shaking platform 13, shaking platform 13 play fixed dress powder jacket 12 and
The effect of jolt ramming powder.
The shaking platform 13 is using the design of three-dimensional vibrating direction, the vibration by top to bottom, left and right, front and rear to jacket 12
Realize powder in jacket middle-high density jolt ramming.
Vacuum pipe 2 23 is equipped between the vacuum valve 17 and vacuum pump set 18；One is equipped among vacuum pipe 2 23
Section vacuum corrugated pipe 3 22.
The vacuum pump set 18 includes that one group of sliding vane rotary vacuum pump and one group of diffusion vacuum pump, working vacuum reach 5 × 10- 3Pa, vacuum pump set mainly carry out degasification to dress powder jacket 12 and vacuum pipe.
The gas analysis instrument 15 detects water in transitional storehouse 6, oxygen, hydrogen content.
Whether powder level detecting apparatus 1 and powder level detecting apparatus 2 24, the powder for detecting transitional storehouse 6 respectively overflow and fill
The final dress powder powder position height of powder jacket 12, pipeline heating system 8 are mounted on the pipeline both sides that powder flows into transitional storehouse 6, convection current
Powder through transitional storehouse 6 carries out heating degasification.Tube wall vibration device 9 is installed on the tube wall of vacuum pipe 1, prevents powder defeated
Blocking during sending.It fills 12 powder inlet of powder jacket and hydraulic tongs seal apparatus 11 is housed, wait for that powder level detecting apparatus 5 detects jacket powder
After charge weight arrival powder position requires height, hydraulic tongs seal apparatus 11 is sealed 12 powder inlet of powder jacket is filled.Fill powder jacket 12
Bottom is equipped with shaking platform 13, and shaking platform 13 plays the role of fixed jacket 12 and jolt ramming powder.Vacuum pump set 18 wraps
One group of sliding vane rotary vacuum pump and one group of diffusion vacuum pump are included, working vacuum reaches 5 × 10-3Pa, vacuum pump set 18 is mainly to filling powder packet
Set 12 and vacuum pipe carry out degasification.In addition filter 16 and vacuum valve 17 are installed in the front end of vacuum pump set 18.
Specific metal powder degassing, encapsulation, pincers envelope process are realized by following steps：
Powder tank 1 is mounted on weighing system 2, vacuum pump set 18 is first turned on and connects jacket 12 and transitional storehouse 6
Powder mass flow speed governing valve 1, powder mass flow speed governing valve 2 19, powder mass flow speed governing valve 3 20, to transitional storehouse 6, dress powder jacket 12
Vacuum suction is carried out, waits for that vacuum vacuum detecting instrument 14 detects vacuum degree and reaches technological requirement and the detection of gas analysis instrument 15
After water, hydrogen, oxygen content reach technological requirement, powder mass flow speed governing valve 2 19, the powder stream that powder tank 1 and transitional storehouse 6 connect are opened
Speed governing valve 3 20 is measured, powder flows into dress powder jacket 12 by transitional storehouse 6, and transitional storehouse 6 is provided with observation window 7 convenient for observation flow of powder
Situation.Transitional storehouse 6 is equipped with powder level detecting apparatus 5, if the powder of transitional storehouse 6 overflows, powder level detecting apparatus 5 sends out report
Alert signal.Pipeline heating system 8 is mounted on the pipeline both sides that powder flows into transitional storehouse 6, and during filling powder, convection current is through transitional storehouse
6 powder carries out heating degasification.Powder during dress powder such as fruit powder tank 1 is inadequate, and weighing system 2 sends out alarm signal, at this time
The powder tank more renewed；In order to avoid powder blocks at vacuum pipe 10, vacuum pipe 10 be equipped with tube wall vibration device 9 carry out it is auxiliary
Help powder feeding.Powder in arrangement of powder jacket 12 be packed into it is a certain amount of after, close powder mass flow speed governing valve 2 19, powder mass flow speed governing valve
3 20, shaking platform 13 is opened at this time, and shaking platform 13 is designed using three-dimensional vibrating, by top to bottom, left and right, front and rear to filling powder packet
The vibration realizing powder of set 12 is in jacket middle-high density jolt ramming.After having been charged into the powder jolt ramming of jacket, powder mass flow is continued on
Speed governing valve 3, realize dress powder, vibration cycle operation.Wait for that powder charge weight reaches in the detection dress powder jacket of powder level detecting apparatus 27
After powder position requires height, hydraulic tongs seal apparatus 11 is sealed 12 powder inlet of powder jacket is filled.So far, entire technological process knot
Beam.
Claims (8)
1. a kind of metal powder degassing, encapsulation, pincers envelope integration apparatus, including powder tank（1）, which is characterized in that powder tank（1）Pass through
Powder mass flow speed governing valve one（3）, vacuum corrugated pipe one（4）With transitional storehouse（6）It is connected；Transitional storehouse（6）Bottom pass through vacuum tube
Road one（10）With dress powder jacket（12）It is connected；Transitional storehouse（6）Right end pass through filter（16）With vacuum valve（17）It is connected, very
Empty valve and vacuum pump set（18）It is connected；
The powder tank（1）Bottom is equipped with weighing system（2）；The transitional storehouse（6）It is equipped with observation panel（7）, vacuum detecting
Instrument（14）, gas analysis instrument（15）, powder level detecting apparatus one（5）And pipeline heating system（8）.
2. a kind of metal powder degassing according to claim 1, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Vacuum pipe one（10）On by it is upper under successively be equipped with powder mass flow speed governing valve two（19）, powder mass flow speed governing valve three（20）、
Vacuum corrugated pipe two（21）.
3. a kind of metal powder degassing according to claim 1, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Vacuum pipe one（10）Tube wall on tube wall vibration device is installed（9）.
4. a kind of metal powder degassing according to claim 3, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Tube wall vibration device（9）With powder mass flow speed governing valve three（20）Between vacuum pipe one（10）It is equipped with powder level detecting apparatus two
（24）.
5. a kind of metal powder degassing according to claim 1, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Dress powder jacket（12）Powder inlet be equipped with hydraulic tongs seal apparatus（11）；The dress powder jacket（12）It is flat that bottom is equipped with vibration
Platform（13）.
6. a kind of metal powder degassing according to claim 5, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Shaking platform（13）It is designed using three-dimensional vibrating direction.
7. a kind of metal powder degassing according to claim 1, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Vacuum valve（17）With vacuum pump set（18）Between be equipped with vacuum pipe two（23）；Vacuum pipe two（23）Centre is equipped with one section very
Empty bellows three（22）.
8. a kind of metal powder degassing according to claim 7, encapsulation, pincers envelope integration apparatus, which is characterized in that described
Vacuum pump set（18）Including one group of sliding vane rotary vacuum pump and one group of diffusion vacuum pump, working vacuum is 5 × 10-3Pa。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114614.6A CN106903302B (en) | 2017-02-28 | 2017-02-28 | A kind of metal powder degassing, encapsulation, pincers envelope integration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114614.6A CN106903302B (en) | 2017-02-28 | 2017-02-28 | A kind of metal powder degassing, encapsulation, pincers envelope integration apparatus |
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| Publication Number | Publication Date |
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| CN106903302A CN106903302A (en) | 2017-06-30 |
| CN106903302B true CN106903302B (en) | 2018-08-21 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457400A (en) * | 2017-08-24 | 2017-12-12 | 中国航发北京航空材料研究院 | Vacuum thermal dynamic metal powder degassing device |
| CN109865831B (en) * | 2017-12-04 | 2021-05-11 | 有研工程技术研究院有限公司 | A kind of degassing method of particle reinforced aluminum matrix composite powder |
| CN108817379A (en) * | 2018-05-23 | 2018-11-16 | 航天材料及工艺研究所 | A kind of powder metallurgy superalloy properties of product stability of improving fills out powder device |
| CN108465810B (en) * | 2018-06-05 | 2024-03-05 | 西安聚能装备技术有限公司 | Metal powder degasification dress cover seal welding device |
| CN108746597B (en) * | 2018-08-03 | 2024-02-20 | 苏州振湖电炉有限公司 | Vacuum vibration densification processing device for aluminum-titanium master alloy powder |
| CN114192773B (en) * | 2021-10-21 | 2024-04-23 | 深圳市深汕特别合作区万泽精密科技有限公司 | Automatic vacuum degassing method and device for metal powder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4515629A (en) * | 1981-02-12 | 1985-05-07 | United Technologies Corporation | Degassing metal powder |
| US8357251B2 (en) * | 2010-07-30 | 2013-01-22 | United Technologies Corporation | Powder processing method |
| CN102127672A (en) * | 2011-02-22 | 2011-07-20 | 中南大学 | Method for preparing iron-base superalloy by extrusion forming of gas atomized powder |
| CN102189261A (en) * | 2011-05-30 | 2011-09-21 | 华中科技大学 | Densification method of porous workpiece |
| CN102398028B (en) * | 2011-11-15 | 2013-06-05 | 中国航空工业集团公司北京航空材料研究院 | Vacuum thermal dynamic metal powder degassing and canning method |
| CN103785846B (en) * | 2014-01-23 | 2016-01-20 | 西安欧中材料科技有限公司 | The preparation method of a kind of titanium alloy spherical powder at different levels |
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