CN109290585A - Device for preparing spherical powder and preparation method thereof - Google Patents
Device for preparing spherical powder and preparation method thereof Download PDFInfo
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- CN109290585A CN109290585A CN201811320164.7A CN201811320164A CN109290585A CN 109290585 A CN109290585 A CN 109290585A CN 201811320164 A CN201811320164 A CN 201811320164A CN 109290585 A CN109290585 A CN 109290585A
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- filter vat
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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
- B22F9/10—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 using centrifugal force
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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
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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Abstract
本发明属于粉末冶金技术领域，尤其涉及一种制备球形粉末的装置及其制备方法，制备球形粉末的装置包括过滤桶、驱动装置和用于产生金属液滴的发生装置，过滤桶设置于发生装置的下方并用于盛装由发生装置产生的金属液滴，且过滤桶的周壁上开设有若干个过滤孔，驱动装置与过滤桶连接并用于驱动过滤桶旋转以过滤桶内的金属液滴从过滤孔内甩出。本发明的制备球形粉末的装置，主要是利用旋转的过滤桶上的过滤孔来实现金属液滴雾化，其结构简单，运行成本低，且其制备的球形粉末具有球形度高以及球形粉末之间无黏连等优点，这就使得其制备的球形粉末的品质好质量高；并且，过滤孔有若干个，在高速离心力的作用下，能够实现金属粉末的高回收率。
The invention belongs to the technical field of powder metallurgy, in particular to a device for preparing spherical powder and a preparation method thereof. The device for preparing spherical powder comprises a filter barrel, a driving device and a generation device for generating metal droplets, and the filter barrel is arranged in the generation device It is used to hold the metal droplets generated by the generating device, and a number of filter holes are opened on the peripheral wall of the filter barrel. The driving device is connected with the filter barrel and is used to drive the filter barrel to rotate to filter the metal droplets in the barrel from the filter holes. thrown out. The device for preparing spherical powder of the present invention mainly uses the filter holes on the rotating filter barrel to realize the atomization of metal droplets. The advantages of non-adhesion, etc., make the spherical powder prepared by it of good quality and high quality; moreover, there are several filter holes, and under the action of high-speed centrifugal force, a high recovery rate of metal powder can be achieved.
Description
Technical field
The invention belongs to powder metallurgical technology more particularly to a kind of device for preparing spherical powder and its preparation sides
Method.
Background technique
Spherical metal powder due to melt it can be used to metal 3D printing, laser cover, the fields such as metal injection molded, and obtain
More and more concerns are arrived.Currently, the mode that mainstream produces spherical metal powder has: plasma rotating electrode atomization method, etc.
Ion atomization and gas atomization, the above several method have its shortcoming, in plasma rotating electrode atomization method, fine powder
Yield is too low, is unable to satisfy most of 3D printing demand；In plasma atomization, cost is excessively high, and technology difficulty is big, causes
It cannot achieve universal；In gas atomization, the sphericity of powder is poor, and powder properties is caused to be deteriorated.Obviously, current existing technology
It is difficult to meet the needs of 3D printing etc. is to high-end spherical powder, leads to the Arrested Developments such as 3D printing technique.Therefore, it needs a kind of low
Cost, high efficiency, the powder mode processed of high quality replace existing powder-making technique.
Summary of the invention
The purpose of the present invention is to provide a kind of devices and preparation method thereof for preparing spherical powder, it is intended to solve existing skill
The technical issues of method for preparing spherical powder in art can not meet high the rate of production of fine powder and good sphericity simultaneously.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of device preparing spherical powder, including filtering
Bucket, driving device and the generating device for generating molten drop, the filter vat are set to the lower section of the generating device simultaneously
For containing the molten drop generated by the generating device, and several filterings are offered on the peripheral wall of the filter vat
Hole, the driving device connect with the filter vat and are used to drive the filter vat rotation with the gold in the filter vat
Belong to drop to throw away out of described filter hole.
Further, each filter hole is evenly distributed in a ring on the peripheral wall of the filter vat.
Further, the diameter of each filter hole is 8 μm~12 μm.
Further, the filter vat is crucible.
Further, the device for preparing spherical powder further includes receiving powder bucket, and the filter vat is installed on the receipts powder
In bucket.
Further, the generating device is the Raw material pail equipped with molten metal, and the Raw material pail is set to the filter vat
Top.
Further, the generating device includes heating member and metal bar material, and the metal bar material is set to the filtering
The top of bucket, the heating member are set to the lower end of metal bar material described in the side of the metal bar material and face.
Beneficial effects of the present invention: the device for preparing spherical powder of the invention is first opened in specifically preparation process
Driving device drives filter vat rotation, then the molten drop that generating device generates is added dropwise in the filter vat of rotation, is located at
Molten drop in lauter tub under the rotary centrifugal force effect that filter vat generates, from thrown away in filter hole on filter vat peripheral wall and point
Molten drop of the solution at minor diameter, effect and molten drop of the molten drop of the minor diameter after throwing away because of rotary centrifugal force
Spherical powder is quickly solidified to form under the action of surface tension, this completes the preparations of spherical powder.Of the invention prepares ball
The device of shape powder mainly realizes that molten drop is atomized using the filter hole on the filter vat of rotation, and structure is simple, fortune
Row is at low cost, and the spherical powder of its preparation has many advantages, such as between sphericity height and spherical powder that this is allowed for without being adhered
The quality good quality of its spherical powder prepared is high；Also, filter hole have it is several, under the action of high speed centrifugation power, Neng Goushi
The high-recovery of existing metal powder.
It is that the present invention also uses another solution is that a kind of method for preparing spherical powder, comprising the following steps:
S10: driving filter vat rotation, and the peripheral wall of the filter vat is equipped with several filter hole；
S20: molten drop is instilled in the filter vat；
S30: the molten drop in the filter vat under the action of rotary centrifugal force of the filter vat from
It is thrown away in the filter hole outside the filter vat and forms spherical powder.
Further, the step S20 specifically:
The Raw material pail for filling molten metal is obliquely installed, so that the molten metal in the Raw material pail can instill institute
It states in filter vat.
Further, the step S20 specifically:
S21: metal bar material is set to the top of the filter vat；
S22: opening heating member and simultaneously heat to the lower end of the metal bar material, heated melt of the metal bar material and
Molten drop is generated, and is instilled in the filter vat.
The method for preparing spherical powder of the invention, the first rotation of driving filter vat, then molten drop is added dropwise to filtering
In bucket, the molten drop in filter vat is under the rotary centrifugal force effect that filter vat generates, from mistake on the peripheral wall of filter vat
The molten drop that minor diameter is thrown away and resolved into filter opening, the molten drop of the minor diameter after throwing away because rotary centrifugal force work
With and molten drop surface tension under the action of be quickly solidified to form spherical powder, this completes the preparations of spherical powder.
The method for preparing spherical powder of the invention, mainly realizes molten drop mist using the filter hole on the filter vat of rotation
Change, structure is simple, and operating cost is low, and there is the spherical powder of its preparation nothing between sphericity height and spherical powder to be adhered
The advantages that, the quality good quality that this allows for the spherical powder of its preparation is high.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the device provided in an embodiment of the present invention that prepare spherical powder using Raw material pail.
Fig. 2 is the structure provided in an embodiment of the present invention using heating member and the device for preparing spherical powder of metal bar material
Schematic diagram.
Fig. 3 is the flow chart of the method provided in an embodiment of the present invention for preparing spherical powder.
Fig. 4 is the flow chart of the step S20 in the method provided in an embodiment of the present invention for preparing spherical powder.
Wherein, each appended drawing reference in figure:
10-filter vat 11-filter hole, 20-generating devices
21-Raw material pail 22-heating member, 23-metal bar materials
30-receive 31-annulus of powder bucket, 40-molten drop of protrusion
50-spherical powders.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~4 is described is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~2, the embodiment of the invention provides a kind of devices for preparing spherical powder, including filter vat 10, drive
Dynamic device and the generating device 20 for generating molten drop 40, the filter vat 10 are set to the generating device 20
Lower section simultaneously is used to contain the molten drop 40 generated by the generating device 20.The installation fixation of filter vat 10 can pass through outside
Supporting structure realize.
Further, offer several filter hole 11 on the peripheral wall of the filter vat 10, the driving device with it is described
Filter vat 10 connect and for drive the filter vat 10 rotation with by the molten drop 40 in the filter vat 10 from institute
It states and is thrown away in filter hole 11.Driving device for output power and rotates filter vat 10 by the power, so makes
Obtaining in filter vat 10 can produce centrifugal force.
Specifically, the device for preparing spherical powder of the embodiment of the present invention first opens driving in specifically preparation process
Device drives filter vat 10 to rotate, then the molten drop 40 that generating device 20 generates is added dropwise in the filter vat 10 of rotation, position
In the molten drop 40 in filter vat 10 under the rotary centrifugal force effect that filter vat 10 generates, filtered from 10 peripheral wall of filter vat
The molten drop 40 of minor diameter is thrown away and resolved into hole 11, and the molten drop 40 of the minor diameter after throwing away is because of rotary centrifugal force
40 surface tension of effect and molten drop under the action of be quickly solidified to form spherical powder 50, this completes spherical powders
50 preparation.The device for preparing spherical powder of the embodiment of the present invention mainly utilizes the filter hole on the filter vat 10 of rotation
11 realize that molten drop 40 is atomized, and structure is simple, and operating cost is low, and spherical powder 50 of its preparation has sphericity high
And without the advantages that being adhered between spherical powder, the quality good quality that this allows for the spherical powder 50 of its preparation is high；Also, it crosses
Filter opening 11 has several, under the action of high speed centrifugation power, can be realized the high-recovery of metal powder 50.
Wherein, filter hole 11 is positioned only on the outer circumference wall of filter vat 10, and is not arranged in the bottom wall of filter vat 10,
That is, the bottom wall of filter vat 10 is enclosed construction.
Further, driving device can be motor, and the output shaft of motor is straight by components such as shaft coupling or ring flanges
It connects and is connect with the bottom of filter vat 10, when motor rotation, so that filter vat 10 be driven to rotate；It is driven using motor, motor
Rotation control operation is more simple, and the cost of motor is low, and motor rotational noise is small, enables to the dress for entirely preparing spherical powder
Noiseless generation when at low cost and operation is set, the comfort for entirely preparing the device operation of spherical powder is improved.
Preferably, motor can be direct driving motor.
In the present embodiment, each filter hole 11 is evenly distributed in a ring on the peripheral wall of the filter vat 10.For example,
Filter hole 11 can set up separately to form several circle arrangements, and the filter hole 11 in each circle is evenly arranged, and several circle filter hole 11
Arrangement side by side up and down.
Specifically, each filter hole 11 is evenly distributed on the peripheral wall of filter vat 10, enables molten drop 40 from mistake
It is equably thrown away on the peripheral wall of lauter tub 10, formation spherical powder 50 after throwing away is enabled to be evenly distributed in the outer of filter vat 10
Side, avoid the spherical powder 50 of preparation outside filter vat 10 one at or many places accumulation and that spherical powder 50 is generated is viscous
It is glutinous, and then influence the quality of spherical powder 50.
In the present embodiment, the diameter of each filter hole 11 is 8 μm~12 μm.
Specifically, the diameter of each filter hole 11 is set as 8 μm~12 μm, easily facilitates the atomization of molten drop 40, so that
The quality with higher of spherical powder 50 of preparation avoids the diameter of filter hole 11 from being arranged excessive, molten drop 40 is caused to obtain not
To effectively filtering and it is atomized；It avoids the diameter of filter hole 11 from being arranged too small, and molten drop 40 is caused to be not easy from filter hole 11
It inside throws away, to reduce the receipts powder rate of spherical powder 50；More specifically, the diameter of each filter hole 11 can be 8 μm, 8.5 μm, 9 μ
M, 9.5 μm, 10 μm, 10.5 μm, 11 μm, 11.5 μm or 12 μm.
Further, according to the difference of 11 diameter of filter hole, the diameter for preparing spherical powder 50 is also just different, can pass through
The filter vat 10 of different 11 diameters of filter hole is replaced, so that various sizes of spherical powder 50 is prepared, so that spherical powder 50
Granularity is effectively controlled.
Preferably, the diameter of each filter hole 11 is 10 μm.
In the present embodiment, the filter vat 10 is crucible.
Specifically, crucible has characteristic resistant to high temperature, and when molten drop 40 instills in crucible, crucible will not be damaged, and
Molten drop 40 can't be adhered on crucible, so that molten drop 40 can fully be got rid of from the filter hole 11 on crucible
Out, it and will not be contaminated, improve the receipts powder rate of spherical powder 50.
Further, filter hole 11 is positioned only on the outer circumference wall of crucible, and is not arranged in the bottom wall of crucible, also
It is to say, the bottom wall of crucible is enclosed construction.
In the present embodiment, as shown in Fig. 1~2, the device for preparing spherical powder further includes receiving powder bucket 30, the filtering
Bucket 10 is installed in the receipts powder bucket 30.
Specifically, powder bucket 30 to be received to be mainly used for collecting spherical powder 50, filter vat 10, which is installed on, to be received in powder bucket 30, so that from
The spherical powder 50 thrown away in filter vat 10, which is directly entered, to be received in powder bucket 30, in order to the centralized processing of spherical powder 50, also can
It enough avoids spherical powder 50 from being contaminated, is conducive to the unified of spherical powder 50 and collects and encapsulate.
Further, the bottom for receiving powder bucket 30 is equipped with a circle annulus protrusion 31, and filter vat 10 is installed in annulus protrusion 31,
And the periphery wall of filter vat 10 is connected on the inner wall of annulus protrusion 31, the setting of annulus protrusion 31 can be avoided spherical powder 50
It falls to filter vat 10 and receives between powder bucket 30, spherical powder 50 is since the rotation of filter vat 10 generates damage, alternatively, making ball
Shape powder 50 is not easily taken out, and is increased and is received powder difficulty, in addition in the rotation of filter vat 10 spherical powder 50 to filter vat 10 or
It receives powder bucket 30 and generates abrasion, reduce filter vat 10 or receive the service life of powder bucket 30, entirely prepare spherical powder to reduce
Device service life.
In the present embodiment, as shown in Fig. 1~2, the generating device 20 is the Raw material pail 21 equipped with molten metal, the raw material
Bucket 21 is set to the top of the filter vat 10.
Specifically, the specifically used process of Raw material pail 21 is, by metallic solution in Raw material pail 21, then by metallic solution
It is directly poured into out of Raw material pail 21 in filter vat 10, the preparation of spherical powder 50 can be directly carried out using metallic solution, so that ball
The preparation of shape powder 50 is more simple and reliable.
In the present embodiment, as shown in Fig. 1~2, the generating device 20 includes heating member 22 and metal bar material 23, the gold
Belong to the top that bar 23 is located at the filter vat 10, the heating member 22 is located at described in the side of the metal bar material 23 and face
The lower end of metal bar material 23 is arranged.
Specifically, molten drop 40 is obtained to the heating of metal bar material 23 by heating member 22, and molten drop 40 is straight
It connects and instills in filter vat 10, molten drop 40 is avoided to be contaminated, improve the quality of spherical powder 50；Meanwhile spherical powder 50
Production process will not generate waste material, do not pollute the environment.
Further, the rotatable setting of metal bar material 23, and heating member 22 is fixedly installed, and passes through the rotation of metal bar material 23
Turn, here it is heating members 22 relatively to carry out heating and melting along the surrounding of metal bar material 23, and the fusing of metal bar material 23 is more
Uniform and complete avoids heating dead angle, improves the utilization rate of metal bar material 23, and reduction prepares the cost of spherical powder.
Further, the direction of rotation of metal bar material 23 is with the direction of rotation of filter vat 10 completely on the contrary, this is allowed for
The molten drop 40 dripped from metal bar material 23 is thrown away out of filter hole 11 from dropping onto, and molten drop 40 is respectively by two
The effect of antipodal centrifugal force enables molten drop 40 effectively to throw away from filter hole 11, the mist of molten drop 40
Change is more thorough, and the sphericity of the spherical powder 50 of formation is higher, and the quality of spherical powder 50 is also higher.
Further, heating member 22 can perhaps plasma gun utilizes arc welding gun or plasma gun for arc welding gun
Metal bar material 23 is melted, to generate molten drop 40.
As shown in figs. 34, the embodiment of the invention also provides a kind of methods for preparing spherical powder, comprising the following steps:
S10: driving filter vat 10 rotates, and the peripheral wall of the filter vat 10 is equipped with several filter hole 11；
S20: molten drop 40 is instilled in the filter vat 10；
S30: the work of the molten drop 40 in the filter vat 10 in the rotary centrifugal force of the filter vat 10
It is thrown away from the filter hole 11 under outside the filter vat 10 and forms spherical powder 50.
Specifically, the embodiment of the invention also provides a kind of method for preparing spherical powder, driving filter vat 10 first revolves
Turn, then molten drop 40 is added dropwise in filter vat 10, the molten drop 40 in filter vat 10 is generated in filter vat 10
Under rotary centrifugal force effect, from the molten drop 40 for throwing away and resolving into minor diameter on 10 peripheral wall of filter vat in filter hole 11, get rid of
The molten drop 40 of minor diameter after out is because fast under the action of 40 surface tension of effect and molten drop of rotary centrifugal force
Rapid hardening solid is at spherical powder 50, and this completes the preparations of spherical powder 50.The embodiment of the present invention prepares spherical powder
Method mainly realizes that molten drop 40 is atomized using the filter hole 11 on the filter vat of rotation 10, and structure is simple, operation
It is at low cost, and the spherical powder 50 of its preparation has many advantages, such as between sphericity height and spherical powder that this is allowed for without being adhered
The quality good quality of its spherical powder 50 prepared is high.
In the present embodiment, the step S20 specifically:
The Raw material pail 21 for filling molten metal is obliquely installed, the molten drop formed by the self gravity of molten metal
It 40 and instills in the filter vat 10.
Specifically, metallic solution is held in Raw material pail 21, then metallic solution is directly poured into filtering out of Raw material pail 21
In bucket 10, the preparation of spherical powder 50 can be directly carried out using metallic solution, so that the preparation of spherical powder 50 more simply may be used
It leans on.
In the present embodiment, as shown in figs. 34, the step S20 specifically:
S21: metal bar material 23 is set to the top of the filter vat 10；
S22: it opens heating member 22 and the lower end of the metal bar material 23 is heated, the metal bar material 23 is heated
Melt and generate molten drop 40, and instills in the filter vat 10.
Specifically, molten drop 40 is obtained to the heating of metal bar material 23 by heating member 22, and molten drop 40 is straight
It connects and instills in filter vat 10, molten drop 40 is avoided to be contaminated, improve the quality of spherical powder 50；Meanwhile spherical powder 50
Production process will not generate waste material, do not pollute the environment.
Further, heating member 22 can perhaps plasma gun utilizes arc welding gun or plasma gun for arc welding gun
Metal bar material 23 is melted, to generate molten drop 40.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of device for preparing spherical powder, it is characterised in that: including filter vat, driving device and for generating molten drop
Generating device, the filter vat is set to the lower section of the generating device and for containing the institute generated by the generating device
Molten drop is stated, and offers several filter hole on the peripheral wall of the filter vat, the driving device and the filter vat connect
It connects and is used to that the filter vat rotation to be driven to throw away out of described filter hole with the molten drop in the filter vat.
2. the device according to claim 1 for preparing spherical powder, it is characterised in that: each filter hole is uniform in a ring
Ground is distributed on the peripheral wall of the filter vat.
3. the device according to claim 1 for preparing spherical powder, it is characterised in that: the diameter of each filter hole is
8 μm~12 μm.
4. the device according to claim 1 for preparing spherical powder, it is characterised in that: the filter vat is crucible.
5. the device according to claim 1 for preparing spherical powder, it is characterised in that: the device for preparing spherical powder
It further include receiving powder bucket, the filter vat is installed in the receipts powder bucket.
6. described in any item devices for preparing spherical powder according to claim 1~5, it is characterised in that: the generating device
For the Raw material pail equipped with molten metal, the Raw material pail is set to the top of the filter vat.
7. described in any item devices for preparing spherical powder according to claim 1~5, it is characterised in that: the generating device
Including heating member and metal bar material, the metal bar material is set to the top of the filter vat, and the heating member is set to described
The lower end of metal bar material described in the side of metal bar material and face.
8. a kind of method for preparing spherical powder, it is characterised in that: the following steps are included:
S10: driving filter vat rotation, and the peripheral wall of the filter vat is equipped with several filter hole；
S20: molten drop is instilled in the filter vat；
S30: the molten drop in the filter vat is under the action of the rotary centrifugal force of the filter vat from described
It is thrown away in filter hole outside the filter vat and forms spherical powder.
9. the method according to claim 8 for preparing spherical powder, it is characterised in that: the step S20 specifically:
The Raw material pail for filling molten metal is obliquely installed, so that the molten metal in the Raw material pail can instill the mistake
In lauter tub.
10. the method according to claim 8 for preparing spherical powder, it is characterised in that: the step S20 specifically:
S21: metal bar material is set to the top of the filter vat；
S22: opening heating member and heat to the lower end of the metal bar material, and the metal bar material, which is heated, to be melted and generate
Molten drop, and instill in the filter vat.
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| CN109773201A (en) * | 2019-02-20 | 2019-05-21 | 潍坊学院 | A metal powder preparation device |
| CN114769605A (en) * | 2022-05-06 | 2022-07-22 | 西安交通大学 | Method and device for preparing 3D printing powder of fusible cast metal in fixed size |
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| CN204449316U (en) * | 2015-02-16 | 2015-07-08 | 西安赛隆金属材料有限责任公司 | A kind of spherical rare metal powder preparing unit |
| CN105665730A (en) * | 2016-04-11 | 2016-06-15 | 西安赛隆金属材料有限责任公司 | Device and method for preparing spherical metal powder |
| CN106735275A (en) * | 2016-12-07 | 2017-05-31 | 深圳微纳增材技术有限公司 | A kind of metal powder preparation method and device suitable for 3D printing |
| WO2018121688A1 (en) * | 2016-12-29 | 2018-07-05 | 江民德 | 3d printing spherical powder preparation method utilizing plasma |
| CN107570720A (en) * | 2017-07-11 | 2018-01-12 | 张家港创博金属科技有限公司 | A kind of quantitative centrifugal atomization prepares the method and device of uniform grading metal dust |
| CN209318793U (en) * | 2018-11-07 | 2019-08-30 | 深圳市圆梦精密技术研究院 | Apparatus for preparing spherical powder |
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| CN109773201A (en) * | 2019-02-20 | 2019-05-21 | 潍坊学院 | A metal powder preparation device |
| CN114769605A (en) * | 2022-05-06 | 2022-07-22 | 西安交通大学 | Method and device for preparing 3D printing powder of fusible cast metal in fixed size |
| CN114769605B (en) * | 2022-05-06 | 2023-08-01 | 西安交通大学 | A sizing preparation method and device for 3D printing powder of meltable castable metal |
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Inventor after: Ma Yingjian Inventor after: Li Jing Inventor after: Li Huacheng Inventor after: Wang Fenglin Inventor before: Ma Yingjian Inventor before: Li Jing Inventor before: Li Huacheng Inventor before: Wang Fenglin |
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Application publication date: 20190201 |