CN207941986U - A kind of plasma powder by atomization device - Google Patents
A kind of plasma powder by atomization device Download PDFInfo
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- CN207941986U CN207941986U CN201721889436.6U CN201721889436U CN207941986U CN 207941986 U CN207941986 U CN 207941986U CN 201721889436 U CN201721889436 U CN 201721889436U CN 207941986 U CN207941986 U CN 207941986U
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- roller
- spray chamber
- motor bar
- powder
- transition axis
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Abstract
The utility model discloses a kind of plasma powder by atomization devices, are related to powder field.Including：Spray chamber, plasma gun, secondary rotating cylinder mechanism, motor bar, electro spindle；The electro spindle is connect with the motor bar, for driving the motor bar to rotate；The outlet of the plasma gun extends in the spray chamber, and the outlet end of the plasma gun and the front end of the motor bar are oppositely arranged；The secondary rotating cylinder mechanism is respectively positioned on the spray chamber same side with the plasma gun；The secondary rotating cylinder mechanism includes roller, gear assembly and transition axis；The roller and the transition axis are separately fixed on the spray chamber, and one end of the gear assembly is connect with the roller, the other end and the transition axis connection；The transition axis drives the roller to rotate by the gear assembly, includes the inert gas in the roller.
Description
Technical field
The utility model is related to metal powder preparing technical fields, more particularly relate to a kind of plasma powder by atomization dress
It sets.
Background technology
High quality globular metallic powder is important original necessary to the production fields such as powder metallurgy near-net-shape, 3D printing
Material, it is increasing to the demand of metal powder raw material in recent years with the fast development of the technologies such as 3D printing, while to powder
Granularity, degree of purity require step up.
Plasma rotating electrode atomization powder-making technique has the characteristics that powder size is small, sphericity is high, oxygen content is low.At present
Domestic plasma rotating electrode atomization powder manufacturing apparatus is mainly based on industrial scale applications, its main feature is that electrode bar diameter is bigger than normal,
Bar diameterBetween, electrode bar working speed is between 10000-20000r/min.Since the instrument is deposited
It is bigger in motor bar diameter, the slow feature of the rotary speed of motor bar, therefore the spherical shape for passing through the production
Metal powder there are sphericities relatively low, the big problem of grain size.
Utility model content
The utility model embodiment provides a kind of plasma powder by atomization device, to solve spherical gold in the prior art
Belong to powder there are sphericities relatively low, the big problem of grain size.
The utility model embodiment provides a kind of plasma powder by atomization device, including：Spray chamber, plasma gun, two
Secondary rotating cylinder mechanism, motor bar, electro spindle；
The electro spindle is connect with the motor bar, for driving the motor bar to rotate；
The outlet of the plasma gun extends in the spray chamber, and the outlet end of the plasma gun and the motor
The front end of bar is oppositely arranged；
The secondary rotating cylinder mechanism is respectively positioned on the spray chamber same side with the plasma gun；The secondary rotating
Cylinder mechanism includes roller, gear assembly, transition axis and inert gas；
The roller and the transition axis are separately fixed on the spray chamber, one end of the gear assembly and the rolling
Cylinder connection, the other end and the transition axis connection；The transition axis drives the roller to rotate by the gear assembly, described
It include the inert gas in roller.
Preferably, the secondary rotating cylinder mechanism further includes：First bearing component, second bearing component；
The roller is fixed on by the first bearing component on the spray chamber, and the transition axis passes through described second
Bearing assembly is fixed on the spray chamber；One end of the gear assembly is connect with the second bearing component, the other end with
The first bearing component connection.
Preferably, further include：Flexible coupling；
The electro spindle drives the motor bar to rotate by the flexible coupling；The flexible coupling is for hindering
Keep off the heat transfer between the motor bar and the electro spindle.
Preferably, further include：Counterweight base plates and servo feed mechanism；
The electro spindle is by being screw fastening in the counterweight base plates；
The counterweight base plates move back and forth under the action of the servo feed mechanism, and the electro spindle passes through institute
The reciprocating motion for stating counterweight base plates is replaced the motor bar；Wherein, the feed rate of the servo feed mechanism is situated between
In 0.1-10mm/s.
Preferably, further include vacuum plant and inertia gas cylinder；
The vacuum plant is used to vacuumize for the spray chamber, and the inertia gas cylinder is used for the atomization vacuumized
Interior is filled with inert gas, so that the spray chamber meets the inert ambient environment of powder by atomization forming technology；
The secondary rotating cylinder mechanism further includes catheter；
One end of the catheter and the inertia gas cylinder unicom, the other end and the roller unicom；The drain is effective
In to will be in that the inert gas of liquid is poured into the roller.
Preferably, the outer diameter of the roller is between 200-1000mm, and length is between 100-500mm, the rotation of the roller
Between 1000-20000r/min crimp is arranged, the crimp is for preventing the atomization in speed on the inside of the roller end face
Indoor inert gas flies out.
Preferably, further include dynamic sealing mechanism, the outer side contacts of the inner wall of the dynamic sealing mechanism and the motor bar,
The motor bar for supporting rotation.
Preferably, the diameter of the motor bar is between 10-50mm, the working speed of the motor bar between
Between 10000-150000r/min.
Preferably, the spray chamber includes affixed side furnace body and active side furnace body, the affixed side furnace body and the activity
The side of wing furnace body is arc-shaped or oval arcuation.
Preferably, further include powder collecting mechanism；
The powder collecting mechanism is arranged below the spray chamber, for collecting the spherical shape gold formed in the spray chamber
Belong to powder.
The utility model embodiment provides a kind of plasma powder by atomization device, including：Spray chamber, plasma gun, two
Secondary rotating cylinder mechanism, motor bar, electro spindle；The electro spindle is connect with the motor bar, for driving the motor
Bar rotates；The outlet of the plasma gun extends in the spray chamber, and the outlet end of the plasma gun and the electricity
The front end of machine bar is oppositely arranged；It is identical that the secondary rotating cylinder mechanism with the plasma gun is respectively positioned on the spray chamber
Side；The secondary rotating cylinder mechanism includes roller, gear assembly, transition axis and inert gas；The roller and the transition
Axis is separately fixed on the spray chamber, and one end of the gear assembly is connect with the roller, the other end and the transition axis
Connection；The transition axis drives the roller to rotate by the gear assembly, includes the inert gas in the roller.
The device that the utility model embodiment provides, increases secondary rotating cylinder mechanism, passes through the liquid poured into the roller to rotation
Body inert gas, liquid inert gas carry out centrifugal movement, so as to be evenly distributed in roller under the rotation of roller
On inner wall, further, roller drive under high speed rotation, to motor bar generate small liquid particles carry out second-time breakage and
It is quickly cooled down, while grain size so as to reduce globular metallic powder, promotes the sphericity of globular metallic powder.Furthermore
The device has acc power small, and the small feature of floor space can meet scientific experiment demand.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of plasma powder by atomization device front view that the utility model embodiment provides；
Fig. 2 is a kind of plasma powder by atomization device vertical view that the utility model embodiment provides；
Fig. 3 is the secondary rotating cylinder mechanism structural schematic diagram that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of plasma powder by atomization device front view that the utility model embodiment provides；Fig. 2 is that this practicality is new
A kind of plasma powder by atomization device vertical view that type embodiment provides；Fig. 3 is the secondary rotation that the utility model embodiment provides
Tumbler cylinder mechanism structure schematic diagram.As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of plasma that the utility model embodiment provides is atomized
Fuel pulverizing plant includes mainly：Spray chamber 9, plasma gun 10, secondary rotating cylinder mechanism 11, motor bar 6 and electro spindle 4.
Specifically, as shown in Figure 1, electro spindle 4 is connect with motor bar 6, for providing the dynamic of rotation to motor bar 6
Power.In practical applications, flexible coupling 5 is additionally provided between electro spindle 4 and motor bar 6, electro spindle 4 passes through the flexibility
Shaft coupling 5 provides the power of rotation to motor bar 6.Further, main in electricity by setting in the utility model embodiment
Flexible coupling 5 between axis 4 and motor bar 6, can also stop the heat transfer between motor bar 6 and electro spindle 4.
Further, electro spindle 4 is fastened on by screw in counterweight base plates 3, and counterweight base plates 3 are arranged in servo feed mechanism
1 upper layer, the setting of servo feed mechanism 1 is on being sent into pedestal 2.It is past that servo feed mechanism 1 can drive counterweight base plates 3 to carry out
Multiple movement.Further, it is connect with motor bar 6 due to electro spindle 4, and electro spindle 4 is fixed in counterweight base plates 3, works as counterweight
Bottom plate 3 can drive motor bar 6 to move back and forth when moving back and forth, that is, realize the melting of 6 front end of motor bar
The problem of compensation and motor bar 6 are continuously replaced.
It should be noted that in the utility model embodiment, servo feed mechanism 1 is mainly by 15 He of driving servo motor
Feed screw nut forms, and the feed rate of servo feed mechanism 1 is between 0.1-10mm/s.
In the utility model embodiment, electrode bar diameter betweenBetween, motor bar 6 is main in electricity
Under the driving of axis 4, rotating speed can reach 10000-150000r/min.
In practical applications, the outlet of plasma gun 10 extends in spray chamber 9, and the outlet end of plasma gun 10 and electricity
The front end of machine bar 6 is oppositely arranged, and by the setting, the plasma arc that plasma gun 10 generates may be implemented to motor bar 6
Front end melting, in the utility model embodiment, the melting power of plasma gun 10 is 5~100kW.
As shown in Fig. 2, the spray chamber 9 that the utility model embodiment provides is mainly by affixed side furnace body 9-1 and movable wing furnace
Body 9-2 compositions.Specifically, the side of affixed side furnace body 9-1 and active side furnace body 9-2 are arc-shaped or oval arc structure,
In the utility model embodiment, specific restriction is not done to the side edge shape of affixed side furnace body 9-1 and active side furnace body 9-2.
In concrete application, active side furnace body 9-2 can be rotated around shaft 13, and when opening active side furnace body 9-2, it may be implemented to stove
The cleaning of the powder of body.
Further, in a particular application, spray chamber 9 needs first to carry out vacuumize process, i.e., by being arranged in spray chamber 9
Outer vacuum plant 12 vacuumizes spray chamber 9, and the inert gas for being in spray chamber 9 is arranged and is used for the mist vacuumized
Change in room 9 and be filled with inert gas, after being filled with inert gas in the spray chamber 9 vacuumized, atomization can be met in spray chamber 9
The inert ambient environment of powder forming technology processed.
Further, when motor bar carries out high speed rotation under the drive of electro spindle 4, what is be arranged on spray chamber 9 is dynamic
Sealing mechanism 7 can provide the support of strength for high-speed rotating 6 front end of motor bar.Specifically, the inner wall of dynamic sealing mechanism 7
It is in contact on the outside of motor bar, by above-mentioned contact, the function of support electric rotating machine bar 6 may be implemented.Furthermore pass through
The dynamic sealing mechanism 7 can ensure that the gas pressure in spray chamber 9 has stability.
Specifically, as shown in figure 3, secondary rotating cylinder mechanism 11 is respectively positioned on 9 same side of spray chamber with plasma gun 10,
Secondary rotating cylinder mechanism 11 includes mainly roller 11-1, gear assembly 11-2 and transition axis 11-6.In practical applications, it rolls
Cylinder 11-1 is fixed on by first bearing component 11-4 on spray chamber 9, and transition axis 11-6 is fixed by second bearing component 11-5
On spray chamber 9；Further, one end of gear assembly 11-2 is connect with second bearing component 11-5, the other end and first axle
Bearing assembly 11-4 connections, transition axis 11-6 drives roller 11-1 to rotate by gear assembly 11-2, and roller 11-1 is in rotation
Before, it needs to pour into the inert gas in liquid into roller 11-1 by catheter 11-3.
In pulverizing process, motor 15 drives transition axis 11-6 high-speed rotations, transition axis 11-6 to be rolled by gear set drive
Cylinder 11-1 high speed rotations.And it is uniform under the action of the centrifugal force into roller 11-1 to pour into liquid inert gas by catheter 11-3
It is distributed on roller 11-1 inner walls, while liquid inert gas high speed rotation in the case where roller 11-1 drives, electrode bar is generated
Small liquid particles second-time breakage and be quickly cooled down.
It should be noted that one end of catheter 11-3 and 14 unicom of inertia gas cylinder, the other end and the roller 11-1
Unicom can be poured into the inert gas in inertia gas cylinder 14 in roller 11-1 by catheter 11-3.
Further, in order to avoid roller 11-1 is in rotary course, the liquid inert gas in roller 11-1 can be from rolling
The edge of cylinder 11-1 flies out, and inside crimp is provided on the end faces roller 11-1, by the inside crimp, can prevent high speed from revolving
Journey liquid inert gas is turned over axially to fly out roller 11-1.
It should be noted that in the utility model embodiment, the outer diameter of roller 11-1 between 200-1000mm,
Length is between 100-500mm, and the rotary speed of roller 11-1 is between 1000-20000r/min.
Further, a kind of miniaturization plasma powder by atomization device that the utility model embodiment provides further includes having powder
Last collecting mechanism 88, the powder collecting mechanism 88 are arranged in the lower section of spray chamber 9, are mainly made of Pneumatic butterfly valve and receipts powder tank,
For being collected to the globular metallic powder formed in spray chamber 9.
In conclusion the utility model embodiment provides a kind of plasma powder by atomization device, including：Spray chamber, etc.
Ion gun, secondary rotating cylinder mechanism, motor bar, electro spindle；The electro spindle is connect with the motor bar, for driving
The motor bar rotation；The outlet of the plasma gun extends in the spray chamber, and the outlet end of the plasma gun
It is oppositely arranged with the front end of the motor bar；The secondary rotating cylinder mechanism is respectively positioned on the atomization with the plasma gun
Room same side；The secondary rotating cylinder mechanism includes roller, gear assembly, transition axis and inert gas；The roller and institute
Transition axis is stated to be separately fixed on the spray chamber, one end of the gear assembly is connect with the roller, the other end with it is described
Transition axis connection；The transition axis drives the roller to rotate by the gear assembly, includes described lazy in the roller
Property gas.The device that the utility model embodiment provides, increases secondary rotating cylinder mechanism, by being fallen in the roller to rotation
The liquid inert gas entered, liquid inert gas carry out centrifugal movement, so as to be evenly distributed under the rotation of roller
On the inner wall of roller, further, the high speed rotation under roller drive carries out the small liquid particles that motor bar generates secondary
It is broken and be quickly cooled down, while grain size so as to reduce globular metallic powder, promote the sphericity of globular metallic powder.
Furthermore the device has acc power small, and the small feature of floor space can meet scientific experiment demand.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of plasma powder by atomization device, which is characterized in that including：Spray chamber, plasma gun, secondary rotating roller machine
Structure, motor bar, electro spindle；
The electro spindle is connect with the motor bar, for driving the motor bar to rotate；
The outlet of the plasma gun extends in the spray chamber, and the outlet end of the plasma gun and the motor bar
Front end be oppositely arranged；
The secondary rotating cylinder mechanism is respectively positioned on the spray chamber same side with the plasma gun；The secondary rotating roller
Mechanism includes roller, gear assembly and transition axis；
The roller and the transition axis are separately fixed on the spray chamber, and one end of the gear assembly connects with the roller
It connects, the other end and the transition axis connection；The transition axis drives the roller to rotate by the gear assembly, the roller
It include inside the inert gas.
2. device as described in claim 1, which is characterized in that the secondary rotating cylinder mechanism further includes：First bearing group
Part, second bearing component；
The roller is fixed on by the first bearing component on the spray chamber, and the transition axis passes through the second bearing
Component is fixed on the spray chamber；One end of the gear assembly is connect with the second bearing component, the other end with it is described
First bearing component connects.
3. device as described in claim 1, which is characterized in that further include：Flexible coupling；
The electro spindle drives the motor bar to rotate by the flexible coupling；The flexible coupling is for stopping institute
State the heat transfer between motor bar and the electro spindle.
4. device as described in claim 1, which is characterized in that further include：Counterweight base plates and servo feed mechanism；
The electro spindle is by being screw fastening in the counterweight base plates；
The counterweight base plates move back and forth under the action of the servo feed mechanism, and the electro spindle is matched by described
The reciprocating motion of weight bottom plate, is replaced the motor bar；Wherein, the feed rate of the servo feed mechanism between
0.1-10mm/s。
5. device as described in claim 1, which is characterized in that further include vacuum plant and inertia gas cylinder；
The vacuum plant is used to vacuumize for the spray chamber, and the inertia gas cylinder is used for into the spray chamber vacuumized
It is filled with inert gas, so that the spray chamber meets the inert ambient environment of powder by atomization forming technology；
The secondary rotating cylinder mechanism further includes catheter；
One end of the catheter and the inertia gas cylinder unicom, the other end and the roller unicom；The catheter is used for will
It is poured into the roller in the inert gas of liquid.
6. device as described in claim 1, which is characterized in that the outer diameter of the roller between 200-1000mm, length between
Crimp is arranged between 1000-20000r/min in 100-500mm, the rotary speed of the roller on the inside of the roller end face,
The crimp is for preventing the indoor inert gas of atomization from flying out.
7. device as described in claim 1, which is characterized in that further include dynamic sealing mechanism, the inner wall of the dynamic sealing mechanism
With the outer side contacts of the motor bar, the motor bar for supporting rotation.
8. device as described in claim 1, which is characterized in that the diameter of the motor bar is described between 10-50mm
The working speed of motor bar is between 10000-150000r/min.
9. device as described in claim 1, which is characterized in that the spray chamber includes affixed side furnace body and active side furnace body,
The side of the affixed side furnace body and the active side furnace body is arc-shaped or oval arcuation.
10. device as described in claim 1, which is characterized in that further include powder collecting mechanism；
The powder collecting mechanism is arranged below the spray chamber, for collecting the spherical metal powder formed in the spray chamber
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889436.6U CN207941986U (en) | 2017-12-29 | 2017-12-29 | A kind of plasma powder by atomization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889436.6U CN207941986U (en) | 2017-12-29 | 2017-12-29 | A kind of plasma powder by atomization device |
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| CN207941986U true CN207941986U (en) | 2018-10-09 |
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| CN201721889436.6U Active CN207941986U (en) | 2017-12-29 | 2017-12-29 | A kind of plasma powder by atomization device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931623A (en) * | 2017-12-29 | 2018-04-20 | 西安赛隆金属材料有限责任公司 | A kind of plasma powder by atomization device |
| CN111730061A (en) * | 2020-07-22 | 2020-10-02 | 西安赛隆金属材料有限责任公司 | Floating restraint device, powder making equipment and method |
| CN111761069A (en) * | 2020-09-01 | 2020-10-13 | 西安赛隆金属材料有限责任公司 | Powder making equipment and method |
| CN113547129A (en) * | 2021-07-22 | 2021-10-26 | 湖南顶立科技有限公司 | Carbon-brush-free conductive high-rotation-speed plasma rotary atomization powder making device |
| CN114951674A (en) * | 2022-07-16 | 2022-08-30 | 南京尚吉增材制造研究院有限公司 | Continuous feeding mechanism for rotary electrode atomization powder making, powder making equipment and powder making method |
-
2017
- 2017-12-29 CN CN201721889436.6U patent/CN207941986U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931623A (en) * | 2017-12-29 | 2018-04-20 | 西安赛隆金属材料有限责任公司 | A kind of plasma powder by atomization device |
| CN111730061A (en) * | 2020-07-22 | 2020-10-02 | 西安赛隆金属材料有限责任公司 | Floating restraint device, powder making equipment and method |
| CN111761069A (en) * | 2020-09-01 | 2020-10-13 | 西安赛隆金属材料有限责任公司 | Powder making equipment and method |
| CN113547129A (en) * | 2021-07-22 | 2021-10-26 | 湖南顶立科技有限公司 | Carbon-brush-free conductive high-rotation-speed plasma rotary atomization powder making device |
| CN114951674A (en) * | 2022-07-16 | 2022-08-30 | 南京尚吉增材制造研究院有限公司 | Continuous feeding mechanism for rotary electrode atomization powder making, powder making equipment and powder making method |
| CN114951674B (en) * | 2022-07-16 | 2023-08-01 | 南京尚吉增材制造研究院有限公司 | Continuous feeding mechanism for rotary electrode atomization powder preparation, powder preparation equipment and powder preparation method |
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Address after: Room 303-46, building a, Kairui, Fengcheng 12th Road, Xi'an Economic and Technological Development Zone, Shaanxi 710018 Patentee after: Xi'an Sailong Additive Technology Co.,Ltd. Address before: 710020 middle section of Jinggao West Road, Jingwei new town new material industrial park, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee before: XI'AN SAILONG METAL MATERIALS Co.,Ltd. |
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