CN109877046A - A kind of simple separator of globular metallic powder - Google Patents
A kind of simple separator of globular metallic powder Download PDFInfo
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- CN109877046A CN109877046A CN201910226770.0A CN201910226770A CN109877046A CN 109877046 A CN109877046 A CN 109877046A CN 201910226770 A CN201910226770 A CN 201910226770A CN 109877046 A CN109877046 A CN 109877046A
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- umbrella
- type rotary
- scraper plate
- metal powder
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Abstract
The invention discloses a kind of simple separators of globular metallic powder, including charging hopper, umbrella-type rotary, scraper plate, driving motor, globular metallic powder collecting box and aspherical metal powder collecting box；Charging hopper is fixed at a upper side of umbrella-type rotary, and scraper plate is arranged in above the other side of umbrella-type rotary, and the lower end surface of scraper plate and the upper surface of umbrella-type rotary abut against；Umbrella-type rotary is at the uniform velocity rotated by driving motor, and the lower section with charging hopper phase the same side of umbrella-type rotary is arranged in globular metallic powder collecting box, and the lower section with scraper plate phase the same side of umbrella-type rotary is arranged in aspherical metal powder collecting box.The present invention combines the advantage of the tilt angle of umbrella-type rotary and rotary motion, realizes globular metallic powder and the continuous of aspherical metal powder fast and accurately separates, greatly improve separative efficiency.In addition, the apparatus structure is simple, and it is easy to operate, the position of all parts can be adjusted according to the actual situation, it is practical.
Description
Technical field
The present invention relates to powder separation technology fields, and in particular to a kind of simple separator of globular metallic powder.
Background technique
In the fields such as increasing material manufacturing, hot isostatic pressing and powder injection forming, it is desirable that the metal powder of use must have
Good stowage capacity, more stringent requirements are proposed for this sphericity to metal powder.However, in the preparation of globular metallic powder
In the process, it inevitably will appear some irregular metal powders, the appearance of these aspherical metal powders seriously affects
The mobility of metal powder entirety, therefore rapidly and accurately separation globular metallic powder and aspherical metal powder become gold
Belong to one of the critical issue of powder pre-treating.
Currently, separation globular metallic powder mainly has dry screen point-score, ramp type to separate with the method for aspherical metal powder
Method etc., but dry screen point-score be appropriate only for aspherical metal powder and globular metallic powder particle size differences it is larger when the case where,
And ramp type partition method is difficult continuously to be separated, and is all unable to satisfy actual use demand.Therefore, it is highly desirable to design
A kind of easy device that can quick and precisely separate globular metallic powder and aspherical metal powder, to meet actual use need
It asks.
Summary of the invention
The present invention provides a kind of simple separator of globular metallic powder, can not to solve separation method in the prior art
Quick and precisely separate the problem of globular metallic powder and aspherical metal powder are without being able to satisfy actual use demand.
The embodiment of the present invention provides a kind of simple separator of globular metallic powder, including charging hopper, umbrella-type rotary, scrapes
Plate, driving motor, globular metallic powder collecting box and aspherical metal powder collecting box；
A upper side of the umbrella-type rotary is arranged in the charging hopper, and the scraper plate is fixed at the umbrella-type rotary
The other side above, and the lower end surface of the scraper plate and the upper surface of the umbrella-type rotary abut against；
The umbrella-type rotary is at the uniform velocity rotated by the driving motor of setting thereunder, the spherical metal powder
The lower section with charging hopper phase the same side of the umbrella-type rotary is arranged in last collecting box, and aspherical metal powder collecting box is set
It sets in the lower section with scraper plate phase the same side of the umbrella-type rotary.
As preferred embodiment of the invention, the revolving speed of the umbrella-type rotary is 10~50 revs/min；The umbrella-type rotary
Tilt angle is 5~45 °.
As preferred embodiment of the invention, the bus length of the umbrella-type rotary is 30~50cm；The umbrella-type rotary
The distance between upper surface and the lower end of the charging hopper are 10~30cm.
As preferred embodiment of the invention, the charging hopper by the adjustable adjustable support of a height and position into
Row is fixed.
As preferred embodiment of the invention, supporting support is provided with below the umbrella-type rotary, the supporting support
Lower end is provided with fixed bracket, and the support bracket fastened lower end connects the driving motor.
As preferred embodiment of the invention, the making material of the umbrella-type rotary is glass, the upper end of the umbrella-type rotary
The making material in face is selected from one of stainless steel material, rubber material or cloth.
As preferred embodiment of the invention, one end of the scraper plate is bolted on the vertex position of the umbrella-type rotary
Place is set, the other end of the scraper plate extends the edge of the umbrella-type rotary.
The simple separator of a kind of globular metallic powder provided in an embodiment of the present invention, by being provided with umbrella-type rotary, and
It rotates umbrella-type rotary at the uniform velocity under the driving of driving motor, then pours into metal powder to be separated in charging hopper,
The lower end for making it through charging hopper drops down on umbrella-type rotary, falls on metal powder on umbrella-type rotary by gravity and frictional force
Double action；Due to the morphological differences of globular metallic powder and aspherical metal powder, so as to cause the two the resistance of motion with
Motion mode is there are notable difference, and globular metallic powder resistance is small so that its motion mode is to roll, rather than globular metallic powder
Resistance make greatly its motion mode for sliding or stop, i.e., it is static relative to umbrella-type rotary, thus in the revolving speed of umbrella-type rotary, incline
, it can be achieved that the quick separating of the two in the case that oblique angle etc. matches.Globular metallic powder will roll down along umbrella-type rotary and fall into umbrella
In spherical powder collecting box below shape turntable, rather than globular metallic powder is then continued to rotate with umbrella-type rotary, until setting exists
Scraper plate above umbrella-type rotary hinders it to move and is scraped into aspherical metal powder collecting box.
The device combines the advantage of the tilt angle of umbrella-type rotary and rotary motion, realizes globular metallic powder
With continuously fast and accurately separating for aspherical metal powder, greatly improve separative efficiency.In addition, the apparatus structure is simple,
It is easy to operate, the position of all parts can be adjusted according to the actual situation, it is practical.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the simple separator of globular metallic powder provided in an embodiment of the present invention；
Fig. 2 is a kind of another structural schematic diagram of the simple separator of globular metallic powder provided in an embodiment of the present invention.
Wherein, 1, adjustable support, 2, charging hopper, 3, umbrella-type rotary, 4, bolt, 5, scraper plate, 6, aspherical metal powder receipts
Header, 7, driving motor, 8, globular metallic powder collecting box, 9, supporting support, 10, fixed bracket.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
The embodiment of the invention discloses a kind of simple separators of globular metallic powder, shown referring to Figures 1 and 2, the dress
It sets and is received including charging hopper 2, umbrella-type rotary 3, scraper plate 5, driving motor 7, globular metallic powder collecting box 8 and aspherical metal powder
Header 6；A upper side of umbrella-type rotary 3 is arranged in charging hopper 2, and scraper plate 5 is fixed above the other side of umbrella-type rotary 3,
And the lower end surface of scraper plate 5 and the upper surface of umbrella-type rotary 3 abut against；Driving motor 7 of the umbrella-type rotary 3 by setting thereunder
It is at the uniform velocity rotated, the lower section with 2 phase the same side of charging hopper of umbrella-type rotary 3, aspheric is arranged in globular metallic powder collecting box 8
The lower section with 5 phase the same side of scraper plate of umbrella-type rotary 3 is arranged in shape metal powder collecting box 6.
In the present embodiment, which is a kind of easy device for separating globular metallic powder and aspherical metal powder, to
Isolated metal powder can be titanium alloy powder (such as Ti6Al4V powder), be also possible to powder of stainless steel (such as 316L powder),
Superalloy powder (such as GH4169 powder), refractory metal powder (such as Ta powder).Generally, metal powder to be separated
Particle size range is 15~250 μm.
In above-mentioned apparatus, globular metallic powder collecting box and aspherical metal powder collecting box are preferably arranged to rectangle
Cabinet, and be oppositely arranged, there are certain gaps among two cabinets, and driving motor and the umbrella-type rotary being disposed thereon are i.e.
Setting is in the gap.Umbrella-type rotary along clockwise direction or can be carried out counterclockwise even under the driving of driving motor
Speed rotation, the embodiment of the present invention to the direction of rotation of umbrella-type rotary without limitation, those skilled in the art according to the actual situation from
Row setting.
In addition, the lower end surface of scraper plate need to closely be abutted with the upper surface of umbrella-type rotary, so that not being between the face contact of both ends free
Gap, while scraper plate is fixed above the other side of umbrella-type rotary, so that umbrella-type rotary ensures that scraper plate does not revolve therewith when rotating
Turn, to ensure that scraper plate can scrape whole aspherical metal powders in aspherical metal powder collecting box.Generally, scraper plate
It is arranged at the position opposite with charging hopper.
Preferably, charging hopper 2 is fixed by the adjustable adjustable support 1 of a height and position.
Specifically, charging hopper and adjustable support can be designed as an entirety, facilitate height and the position of adjustment charging hopper,
The outside side of globular metallic powder collecting box is arranged in the bottom end of adjustable support.
Preferably, the lower section of umbrella-type rotary 3 is provided with supporting support 9, and the lower end of supporting support 9 is provided with fixed bracket
10, the lower end of fixed bracket 10 connects driving motor 7.
Specifically, the supporting support of the lower section setting of umbrella-type rotary, can play the simple supporting role to umbrella-type rotary.
The lower end of supporting support is further connected with fixed bracket, and support bracket fastened lower end connects driving motor, so that driving motor can
To drive umbrella-type rotary to carry out uniform rotation by fixed bracket and supporting support.
Preferably, the making material of umbrella-type rotary 3 is glass, and the making material of the upper surface of umbrella-type rotary 3 is selected from rubber
One of material, stainless steel material or cloth.
Specifically, umbrella-type rotary preferably uses glass to make, and can fall into globular metallic powder collecting box in metal powder
Or when aspherical metal powder collecting box, by umbrella-type rotary side when, what metal powder can not be excessive, which be adhered to umbrella shape, turns
On the side of disk.
Meanwhile the upper surface of umbrella-type rotary is using the material production of one of stainless steel material, rubber material or cloth, tool
There is certain surface roughness, the contact surface of different surface roughness can be provided, can be formed not when metal powder is fallen
Same frictional resistance.
Preferably, one end of scraper plate 5 is fixed at the vertex position of umbrella-type rotary 3 by bolt 4, the other end of scraper plate 5
Extend the edge of umbrella-type rotary 3.
Specifically, when scraper plate being arranged in above the other side of umbrella-type rotary, one end is bolted on umbrella shape and turns
At the vertex position of disk, the other end extends downwardly along umbrella-type rotary and extends the edge of umbrella-type rotary, and setting can in this way
To ensure that scraper plate can all scrape the aspherical metal powder on umbrella-type rotary upper surface to aspherical metal powder collecting box
In, avoid the aspherical metal powder of omission from continuing to enter in globular metallic powder collecting box with the rotation of umbrella-type rotary.
When carrying out lock out operation to metal powder to be separated using the device, charging hopper, spherical gold are adjusted first
Belong to the position of powder collecting box and aspherical metal powder collecting box, then set the revolving speed of driving motor and starts driving electricity
Machine, then metal powder to be separated is poured into charging hopper, the lower end for making it through charging hopper drops down on umbrella-type rotary, falls on umbrella
Collective effect of the metal powder by gravity and frictional force on shape turntable.At this point, globular metallic powder will be rolled along umbrella-type rotary
Under fall directly into spherical powder collecting box, rather than globular metallic powder is then continued to rotate with umbrella-type rotary, until scraping blade hinders
Hinder it to move and scraped into aspherical metal powder collecting box, to realize globular metallic powder and aspherical metal powder
Continuously fast and accurately separating for end, it is not only easy to operate, moreover it is possible to greatly improve separative efficiency.
It should be noted that whole device need to be placed in enclosure space, and pass to inert gas when carrying out lock out operation
It is protected, it in this way can be to avoid the pollution and problem of oxidation of metal powder.
Combined influence of the screening separating effect of globular metallic powder by Multiple factors, revolving speed, inclination such as umbrella-type rotary
The parameters such as angle, surface roughness and the distance between charging hopper and umbrella-type rotary.According to the specific of metal powder to be sieved
State is different, can structure adjusting, it is ensured that best screening effect.
On the basis of the above embodiments, the revolving speed of umbrella-type rotary 3 is 10~50 revs/min；The inclination angle of umbrella-type rotary 3
Degree is 5~45 °.
In the present embodiment, when the revolving speed of umbrella-type rotary is too fast, aspherical metal powder can overcome resistance, also fall within ball
In shape metal powder collecting box, lead to sphericity≤85% of the metal powder in globular metallic powder collecting box；And work as umbrella shape
When the revolving speed of turntable is excessively slow, Part-spherical metal powder is not enough to overcome resistance, so that Part-spherical metal powder is not fallen
Enter in globular metallic powder collecting box, leads to Part-spherical metal powder occur in aspherical metal powder collecting box.
Further, when the tilt angle of umbrella-type rotary is excessive, aspherical metal powder easily falls into globular metallic powder
In collecting box；When the tilt angle of umbrella-type rotary is too small, Part-spherical metal powder does not fall within globular metallic powder collection
In case, it will instead pass into aspherical metal powder collecting box.
On the basis of the above embodiments, the bus length of umbrella-type rotary 3 is 30~50cm；The upper surface of umbrella-type rotary 3
The distance between lower end of charging hopper 2 is 10~30cm.
In the present embodiment, when the upper surface of umbrella-type rotary selects different materials to make, the rough surface of contact surface
Degree is different, therefore the frictional resistance of the metal powder and contact surface provided is also different.For example, the upper end of umbrella-type rotary
Face using one of stainless steel material above-mentioned, rubber material or cloth material come when making, the surface roughness of contact surface
It is sequentially increased, so that the frictional resistance of the contact surface on the metal powder and umbrella-type rotary that provide is also to be sequentially increased.Meanwhile
The region that the bus length of the umbrella-type rotary of setting will be fallen comprising living metal powder enough.
Further, the distance between the upper surface of umbrella-type rotary and the lower end of charging hopper also will be suitable for effectively keeping away
Exempt to cause situation of the metal powder bulk deposition on umbrella-type rotary.
Globular metallic powder screens separating effect by the combined influence of Multiple factors, according to metal powder to be separated
Particular state situation, structure adjusting, it is ensured that best screening effect.According to pre-stage test desired result, following parameter experience is obtained
Value:
When the revolving speed of umbrella-type rotary is set as 10~50 revs/min, and the tilt angle of umbrella-type rotary is set as 5~45 °
When, and the bus length of umbrella-type rotary is 30~50cm, and when the distance between charging hopper and umbrella-type rotary are 10~30cm, separation
Effect it is best.
Below with reference to specific preferred embodiment, the invention will be described in further detail, but does not therefore limit this hair
Bright protection scope.
Embodiment one
The position for adjusting various components, makes the distance between the upper surface of umbrella-type rotary and the lower end of charging hopper be
10cm, the bus length of taken umbrella-type rotary are 30cm, and tilt angle is 15 °, and rubber material is selected in the upper surface of umbrella-type rotary
Production；The revolving speed for opening and adjusting driving motor makes 30 revs/min of revolving speed of umbrella-type rotary, is then 15 by 500g granularity
~250 μm of Ti6Al4V powder is poured slowly into charging hopper.
After separation, the aspherical metal powder in aspherical metal powder collecting box accounts for overall metal powder to be separated
2%, sphericity >=90% of the globular metallic powder in globular metallic powder collecting box.
Embodiment two
The position for adjusting various components, makes the distance between the upper surface of umbrella-type rotary and the lower end of charging hopper be
20cm, the bus length of taken umbrella-type rotary are 40cm, and tilt angle is 30 °, and cloth material is selected in the upper surface of umbrella-type rotary
Production；The revolving speed for opening and adjusting driving motor makes 40 revs/min of revolving speed of umbrella-type rotary, is then less than 500g granularity
15~45 μm of 316L powder is poured slowly into charging hopper.
After separation, the aspherical metal powder in aspherical metal powder collecting box accounts for overall metal powder to be separated
2%, sphericity >=85% of the globular metallic powder in globular metallic powder collecting box.
Embodiment three
The position for adjusting various components, makes the distance between the upper surface of umbrella-type rotary and the lower end of charging hopper be
30cm, the bus length of taken umbrella-type rotary are 50cm, and tilt angle is 5 °, and stainless steel material is selected in the upper surface of umbrella-type rotary
Production；The revolving speed for opening and adjusting driving motor makes 10 revs/min of revolving speed of umbrella-type rotary, is then 45 by 500g granularity
~150 μm of Ta powder is poured slowly into charging hopper.
After separation, the aspherical metal powder in aspherical metal powder collecting box accounts for overall metal powder to be separated
3%, sphericity >=90% of the globular metallic powder in globular metallic powder collecting box.
Example IV
The position for adjusting various components, makes the distance between the upper surface of umbrella-type rotary and the lower end of charging hopper be
25cm, the bus length of taken umbrella-type rotary are 35cm, and tilt angle is 45 °, and rubber material is selected in the upper surface of umbrella-type rotary
Production；The revolving speed for opening and adjusting driving motor makes 50 revs/min of revolving speed of umbrella-type rotary, is then 150 by 500g granularity
~250 μm of GH4169 powder is poured slowly into charging hopper.
After separation, the aspherical metal powder in aspherical metal powder collecting box accounts for overall metal powder to be separated
1%, sphericity >=98% of the globular metallic powder in globular metallic powder collecting box.
Due in the fields such as increasing material manufacturing, hot isostatic pressing and powder injection forming, it is desirable that the sphericity of metal powder needs
Greater than 85%, thus it is golden with other using the metal powder that sphericity can be greater than 85% by device provided in an embodiment of the present invention
Belong to powder and carry out continuous quick separating, greatly improves separative efficiency, can promote the use of.
The simple separator of a kind of globular metallic powder provided in an embodiment of the present invention, by being provided with umbrella-type rotary, and
It rotates umbrella-type rotary at the uniform velocity under the driving of driving motor, then pours into metal powder to be separated in charging hopper,
The lower end for making it through charging hopper drops down on umbrella-type rotary, so that globular metallic powder will be rolled down along umbrella-type rotary falls into umbrella shape turn
In spherical powder collecting box below disk, rather than globular metallic powder is then continued to rotate with umbrella-type rotary, until being arranged in umbrella shape
Scraper plate above turntable hinders it to move and is scraped into aspherical metal powder collecting box.
The device combines the advantage of the tilt angle of umbrella-type rotary and rotary motion, realizes globular metallic powder
With continuously fast and accurately separating for aspherical metal powder, greatly improve separative efficiency.In addition, the apparatus structure is simple,
It is easy to operate, the position of all parts can be adjusted according to the actual situation, it is practical.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of simple separator of globular metallic powder, which is characterized in that including charging hopper, umbrella-type rotary, scraper plate, driving electricity
Machine, globular metallic powder collecting box and aspherical metal powder collecting box；
A upper side of the umbrella-type rotary is arranged in the charging hopper, and the scraper plate is fixed at the another of the umbrella-type rotary
One upper side, and the lower end surface of the scraper plate and the upper surface of the umbrella-type rotary abut against；
The umbrella-type rotary is at the uniform velocity rotated by the driving motor of setting thereunder, and the globular metallic powder is received
The lower section with charging hopper phase the same side of the umbrella-type rotary is arranged in header, and aspherical metal powder collecting box setting exists
The lower section with scraper plate phase the same side of the umbrella-type rotary.
2. the apparatus according to claim 1, which is characterized in that the revolving speed of the umbrella-type rotary is 10~50 revs/min；Institute
The tilt angle for stating umbrella-type rotary is 5~45 °.
3. the apparatus according to claim 1, which is characterized in that the bus length of the umbrella-type rotary is 30~50cm；Institute
Stating the distance between the upper surface of umbrella-type rotary and the lower end of the charging hopper is 10~30cm.
4. device described in any one of claim 1 to 3, which is characterized in that the charging hopper by height and
The adjustable adjustable support in position is fixed.
5. device described in any one of claim 1 to 3, which is characterized in that be provided with below the umbrella-type rotary
Supporting support, the lower end of the supporting support are provided with fixed bracket, and the support bracket fastened lower end connects the driving motor.
6. device described in any one of claim 1 to 3, which is characterized in that the making material of the umbrella-type rotary is
The making material of glass, the upper surface of the umbrella-type rotary is selected from one of stainless steel material, rubber material or cloth.
7. device described in any one of claim 1 to 3, which is characterized in that one end of the scraper plate is solid by bolt
It is scheduled at the vertex position of the umbrella-type rotary, the other end of the scraper plate extends the edge of the umbrella-type rotary.
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Cited By (1)
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| CN112474079A (en) * | 2020-12-09 | 2021-03-12 | 江苏金物新材料有限公司 | Powder sorting and separating system |
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