CN112974817A - Device for producing metal powder for 3D printing through gas atomization - Google Patents
Device for producing metal powder for 3D printing through gas atomization Download PDFInfo
- Publication number
- CN112974817A CN112974817A CN202110157168.3A CN202110157168A CN112974817A CN 112974817 A CN112974817 A CN 112974817A CN 202110157168 A CN202110157168 A CN 202110157168A CN 112974817 A CN112974817 A CN 112974817A
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- Prior art keywords
- gas atomization
- metal powder
- wall
- box body
- printing
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- 239000002184 metal Substances 0.000 title claims abstract description 65
- 239000000843 powder Substances 0.000 title claims abstract description 64
- 238000009689 gas atomisation Methods 0.000 title claims abstract description 62
- 238000010146 3D printing Methods 0.000 title claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims description 16
- 240000007643 Phytolacca americana Species 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 235000009074 Phytolacca americana Nutrition 0.000 description 7
- 241001233242 Lontra Species 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
Images
Classifications
-
- 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
- B22F9/082—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 atomising using a fluid
-
- 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
- B22F9/082—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 atomising using a fluid
- B22F2009/0896—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 atomising using a fluid particle transport, separation: process and apparatus
Abstract
The invention discloses a device for producing metal powder for 3D printing through gas atomization, which comprises a box body, wherein a gas atomization device body is arranged at the top of the box body, supporting legs distributed in an annular mode are arranged at the bottom of the gas atomization device body, and a through hole is formed in the circle center of the outer wall of the top of the box body. According to the invention, metal powder prepared by the gas atomization device body is loaded into the box body through the discharge end, after the gas atomization device body is fixed, the metal powder discharge end of the gas atomization device body is adsorbed and fixed by the electromagnetic ring, the driving mechanism drives the placing groove and the gas atomization device body to rotate and drives the arc-shaped plate to rotate along with the gas atomization device body, so that the loaded metal powder is thrown out due to inertia dispersion, the metal powder slides to the outer wall of the top of the arc-shaped plate and falls to the bottom of the filter funnel from a gap between the arc-shaped plate and the transition funnel, and the heating resistance wire heats and dries the metal powder, thereby ensuring the drying effect.
Description
Technical Field
The invention relates to the technical field of powder metallurgy, in particular to a device for producing metal powder for 3D printing through gas atomization.
Background
3D prints and is one kind and uses digital model file as the basis, but uses adhesive material such as powdered metal or plastics, constructs the technique of object through the mode of printing layer by layer, because the demand of material, need use the metal powder as raw and other materials in the 3D prints.
The existing device for producing metal powder for 3D printing through gas atomization cannot dry the metal powder in time after producing the metal powder, and the metal powder is condensed into blocks due to contact with air vapor, so that the quality of the metal powder is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a device for producing metal powder for 3D printing by gas atomization.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for producing metal powder for 3D printing by gas atomization comprises a box body, wherein a gas atomization device body is placed at the top of the box body, supporting legs distributed in an annular mode are arranged at the bottom of the gas atomization device body, a through hole is formed in the circle center of the outer wall of the top of the box body, the discharge end of the metal powder positioned at the bottom of the gas atomization device body extends into the box body through the through hole, the outer wall of the top of the box body is connected with a placing groove of an annular structure through bolts, the supporting legs are placed in the placing groove, the outer wall of the circumference of the placing groove is connected with racks distributed uniformly through bolts, a driving mechanism is arranged on one side of the top of the box body, two mounting rods are connected to the top of the box body in a sliding mode along the circumferential direction of a through hole, one end, close to the through hole, of each mounting, the top of box circumference inner wall has the transition funnel through bolted connection, and the intrados position of arc and the bottom opening position of transition funnel are corresponding, and the bottom opening internal diameter of arc is greater than the bottom opening internal diameter of transition funnel, and the top inner wall of arc and transition funnel bottom outer wall all have the heating resistor silk through bolted connection.
Preferably, the driving mechanism comprises a driving motor and a driving gear, and the inner wall of the top of the box body is connected with the driving motor through a bolt.
Preferably, the output shaft of the driving motor is connected with a driving gear through a bolt, and the circumference of the driving gear is meshed with the rack.
Preferably, both sides of the circumferential inner wall of the placing groove are connected with fixed airbags through bolts, and the outer wall of the box body is connected with an air pump through bolts.
Preferably, one side of each of the two mounting rods is connected with a poke rod through a bolt, and the bottom of each poke rod is attached to the inner arc surface of the corresponding transition funnel.
Preferably, there is the dwang of perpendicular setting top inner wall centre of a circle department of arc through bolted connection, and there is evenly distributed's the extension tooth circumference department of dwang through bolted connection.
Preferably, the bottom of the inner wall of the circumference of the box body is connected with a screening screen plate with a conical structure through bolts, and the box body is positioned at the top and the bottom of the circumference of the screening screen plate and is respectively provided with a first movable door and a second movable door.
Preferably, the dwang all has the extension rod through bolted connection to the one end both sides that the dwang extends to transition funnel bottom, and the extension rod has evenly distributed's stirring tooth through bolted connection near one side of screening otter board circumference outer wall.
Preferably, the inner wall of the bottom of the placing groove is connected with a magnet piece through a bolt.
The invention has the beneficial effects that:
1. according to the device for producing the metal powder for 3D printing through gas atomization, the driving mechanism, the placing groove, the arc-shaped plate and the transition funnel are arranged, the metal powder prepared by the gas atomization device body is loaded into the box body through the discharging end, after the gas atomization device body is fixed, the metal powder discharging end of the gas atomization device body is adsorbed and fixed through the electromagnetic ring, the driving mechanism drives the placing groove and the gas atomization device body to rotate and drives the arc-shaped plate to rotate along with the gas atomization device body, the loaded metal powder is thrown out due to inertia dispersion, the metal powder slides to the outer wall of the top of the arc-shaped plate and falls to the bottom of the filter funnel from a gap between the arc-shaped plate and the transition funnel, and the heating resistance wire heats and dries the metal powder to guarantee the drying effect.
2. According to the device for producing the metal powder for 3D printing through gas atomization, the air pump and the fixed air bag are arranged, after the gas atomization body is placed in the placing groove, the air pump inflates the fixed air bag, and the fixed air bag inflates and expands to clamp and fix the supporting legs of the gas atomization body.
3. According to the device for producing the metal powder for 3D printing through gas atomization, the poke rod and the extension teeth are arranged, when the installation rod and the arc plate rotate, the poke rod pokes the metal powder on the transition funnel, the metal powder is prevented from being blocked between the arc plate and the transition funnel, meanwhile, the arc plate drives the rotating rod to rotate, the extension teeth poke the opening at the bottom of the transition funnel, and the metal powder is prevented from being blocked at the opening of the transition funnel.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for producing metal powder for 3D printing by gas atomization according to embodiment 1;
FIG. 2 is a sectional view of the arc-shaped plate and the electromagnet ring of the device for producing metal powder for 3D printing by gas atomization in the embodiment 1;
fig. 3 is a schematic structural diagram of a box of the apparatus for producing metal powder for 3D printing by gas atomization according to embodiment 1;
fig. 4 is a sectional view of the side structure of a placing groove of the device for producing metal powder for 3D printing by gas atomization provided in embodiment 2.
In the figure: the device comprises a box body 1, a transition funnel 2, a driving motor 3, a driving gear 4, a magnet piece 5, an air atomization device body 6, a placing groove 7, a fixed air bag 8, a rack 9, an air pump 10, an installation rod 11, a poke rod 12, an extension rod 13, a screening screen plate 14, an arc plate 15, a heating resistance wire 16, an extension tooth 17, a rotating rod 18, an electromagnet ring 19 and a perforation 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, a device for producing metal powder for 3D printing by gas atomization, comprising a box body 1, a gas atomization device body 6 is placed on the top of the box body 1, support legs distributed annularly are arranged at the bottom of the gas atomization device body 6, a perforation 20 is arranged at the center of a circle of the outer wall of the top of the box body 1, a metal powder discharge end at the bottom of the gas atomization device body 6 extends into the box body 1 through the perforation 20, the outer wall of the top of the box body 1 is connected with a placement groove 7 with an annular structure through bolts, the support legs are placed in the placement groove 7, the outer wall of the circumference of the placement groove 7 is connected with racks 9 uniformly distributed through bolts, a driving mechanism is arranged at one side of the top of the box body 1, two installation rods 11 are slidably connected to the top of the box body 1 along the circumferential direction of an opening of the perforation 20, and one ends of the, the other ends of the two mounting rods 11 are connected with the same arc-shaped plate 15 through bolts, the top of the circumferential inner wall of the box body 1 is connected with the transition funnel 2 through bolts, the inner arc surface position of the arc-shaped plate 15 corresponds to the bottom opening position of the transition funnel 2, the inner diameter of the bottom opening of the arc-shaped plate 15 is larger than that of the bottom opening of the transition funnel 2, the inner wall of the top of the arc-shaped plate 15 and the outer wall of the bottom of the transition funnel 2 are both connected with heating resistance wires 16 through bolts, metal powder prepared by the gas atomization device body 6 is loaded into the box body 1 through the discharge end, after the gas atomization device body 6 is fixed, the metal powder discharge end of the gas atomization device body 6 is adsorbed and fixed by the electromagnet ring 19, the driving mechanism drives the placing groove 7 and the gas atomization device body 6 to rotate and drives the arc-shaped plate 15 to rotate along with the same, so that the loaded metal, and drop to the bottom of filter funnel 2 from the clearance between arc 15 and transition funnel 2, heating resistor silk 16 heats the stoving to the metal powder, guarantees the stoving effect.
In the invention, the driving mechanism comprises a driving motor 3 and a driving gear 4, and the inner wall of the top of the box body 1 is connected with the driving motor 3 through a bolt.
Wherein, driving gear 4 is connected to driving motor 3's output shaft through bolted connection, and the circumference and the rack 9 meshing of driving gear 4, and driving motor 3 drives standing groove 7 through driving gear 4 and rotates.
Wherein, the both sides of 7 circumference inner walls of standing groove all are connected with fixed gasbag 8 through bolted connection, and the outer wall of box 1 has air pump 10 through bolted connection, places gas atomization body 6 back in standing groove 7, and air pump 10 aerifys fixed gasbag 8, and fixed gasbag 8 is aerifyd and is expanded and carry out the centre gripping fixed to the supporting leg of gas atomization body 6.
Wherein, one side of two installation poles 11 all is connected with poker rod 12 through the bolt, and the bottom of poker rod 12 and the interior cambered surface laminating of transition funnel 2.
Wherein, there is the dwang 18 of perpendicular setting at the top inner wall centre of a circle department of arc 15 through bolted connection, and there is evenly distributed's extension tooth 17 circumference department through bolted connection of dwang 18, when installation pole 11 and arc 15 rotate, poker rod 12 stirs the metal powder on transition funnel 2, avoid the metal powder to block up between arc 15 and transition funnel 2, arc 15 drives dwang 18 simultaneously and rotates, it stirs to 2 bottom openings of transition funnel to extend tooth 17, avoid the metal powder to block up at the opening part of transition funnel 2.
The bottom of the inner wall of the circumference of the box body 1 is connected with a screening screen plate 14 with a conical structure through bolts, and the box body 1 is positioned at the top and the bottom of the circumference of the screening screen plate 14 and is respectively provided with a first movable door and a second movable door.
Wherein, the one end both sides that dwang 18 extended to transition funnel 2 bottoms all have extension rod 13 through bolted connection, and extension rod 13 is close to one side of 14 circumference outer walls of screening otter board and has the stirring tooth of evenly distributed through bolted connection, and screening otter board 14 sieves the metal powder, and dwang 18 drives extension rod 13 simultaneously and stirs the metal powder at screening otter board 14 tops, improves screening efficiency.
The working principle is as follows: the metal powder prepared by the gas atomization device body 6 is loaded into the box body 1 through the discharge end, after the gas atomization device body 6 is fixed, the electromagnet ring 19 adsorbs and fixes the metal powder discharge end of the gas atomization device body 6, the driving mechanism drives the placing groove 7 and the gas atomization device body 6 to rotate and drives the arc-shaped plate 15 to rotate along with the arc-shaped plate, so that the loaded metal powder is thrown out due to inertia dispersion, the metal powder slides to the top outer wall of the arc-shaped plate 15 and falls to the bottom of the filter funnel 2 from the gap between the arc-shaped plate 15 and the transition funnel 2, the heating resistance wire 16 heats and dries the metal powder, the drying effect is ensured, the driving motor 3 drives the placing groove 7 to rotate through the driving gear 4, after the gas atomization body 6 is placed in the placing groove 7, the air pump 10 inflates the fixed air bag 8, the fixed air bag 8 inflates and expands to clamp and fix the supporting legs of the gas atomization body, when installation pole 11 and arc 15 rotate, the poker rod 12 is stirred the metal powder on transition funnel 2, avoid the metal powder to block up between arc 15 and transition funnel 2, arc 15 drives dwang 18 and rotates simultaneously, extend tooth 17 and stir 2 bottom openings part of transition funnel, avoid the metal powder to block up at the opening part of transition funnel 2, screening otter board 14 sieves the metal powder, dwang 18 drives extension rod 13 and stirs the metal powder at screening otter board 14 top simultaneously, improve screening efficiency.
Example 2
Referring to fig. 4, compared with embodiment 1, in the apparatus for producing metal powder for 3D printing by gas atomization, in this embodiment, a magnet piece 5 is connected to the inner wall of the bottom of a placing groove 7 by a bolt.
The working principle is as follows: when placing gas atomization device body 6, magnet piece 5 adsorbs fixedly to the bottom of supporting leg, guarantees the stability that gas atomization device body 6 placed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The device for producing the metal powder for 3D printing through gas atomization comprises a box body (1), wherein a gas atomization device body (6) is placed at the top of the box body (1), and supporting legs distributed in an annular mode are arranged at the bottom of the gas atomization device body (6), and is characterized in that a through hole (20) is formed in the circle center of the outer wall of the top of the box body (1), the metal powder discharge end at the bottom of the gas atomization device body (6) extends into the box body (1) through the through hole (20), a placing groove (7) of an annular structure is formed in the outer wall of the top of the box body (1), the supporting legs are placed in the placing groove (7), racks (9) distributed uniformly are arranged on the outer wall of the circumference of the placing groove (7), a driving mechanism is arranged on one side of the top of the box body (1), two mounting rods (11) are connected to the top of the box body (1) in a, and installation pole (11) are close to perforation (20) open-ended one end and are equipped with same electromagnetism magnetic ring (19), the other end of two installation poles (11) is equipped with same arc (15), the top of box (1) circumference inner wall is equipped with transition funnel (2), and the interior cambered surface position of arc (15) and the bottom open position of transition funnel (2) are corresponding, the bottom open internal diameter of arc (15) is greater than the bottom open internal diameter of transition funnel (2), the top inner wall of arc (15) and transition funnel (2) bottom outer wall all are equipped with heating resistor silk (16).
2. The device for producing the metal powder for 3D printing through gas atomization according to claim 1, characterized in that the driving mechanism comprises a driving motor (3) and a driving gear (4), and the driving motor (3) is arranged on the inner wall of the top of the box body (1).
3. The device for producing metal powder for 3D printing through gas atomization according to claim 2, characterized in that an output shaft of the driving motor (3) is provided with a driving gear (4), and the circumference of the driving gear (4) is meshed with the rack (9).
4. The device for producing the metal powder for 3D printing through gas atomization according to claim 3 is characterized in that fixing air bags (8) are arranged on two sides of the circumferential inner wall of the placing groove (7), and an air pump (10) is arranged on the outer wall of the box body (1).
5. The device for producing the metal powder for 3D printing through gas atomization according to claim 4, characterized in that one side of each of the two mounting rods (11) is provided with a poke rod (12), and the bottom of each poke rod (12) is attached to the inner arc surface of the transition funnel (2).
6. The device for producing the metal powder for 3D printing through gas atomization according to claim 5, characterized in that a rotating rod (18) which is vertically arranged is arranged at the center of the top inner wall of the arc-shaped plate (15), and extending teeth (17) which are uniformly distributed are arranged at the circumference of the rotating rod (18).
7. The device for producing the metal powder for 3D printing through gas atomization according to claim 6, characterized in that the bottom of the inner wall of the circumference of the box body (1) is provided with a screening screen plate (14) with a conical structure, and the top and the bottom of the circumference of the screening screen plate (14) of the box body (1) are respectively provided with a first movable door and a second movable door.
8. The device for producing the metal powder for 3D printing through gas atomization according to claim 7 is characterized in that extension rods (13) are arranged on two sides of one end, extending to the bottom of the transition funnel (2), of the rotating rod (18), and uniformly distributed stirring teeth are arranged on one side, close to the circumferential outer wall of the screening screen plate (14), of each extension rod (13).
9. The device for producing metal powder for 3D printing through gas atomization according to claim 8 is characterized in that magnet pieces (5) are arranged on the inner wall of the bottom of the placing groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157168.3A CN112974817A (en) | 2021-02-04 | 2021-02-04 | Device for producing metal powder for 3D printing through gas atomization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157168.3A CN112974817A (en) | 2021-02-04 | 2021-02-04 | Device for producing metal powder for 3D printing through gas atomization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112974817A true CN112974817A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110157168.3A Pending CN112974817A (en) | 2021-02-04 | 2021-02-04 | Device for producing metal powder for 3D printing through gas atomization |
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| CN (1) | CN112974817A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499590A (en) * | 2015-12-14 | 2016-04-20 | 石京 | Preparation method and device of ceramic particle reinforced metal matrix composite powder |
| CN107812953A (en) * | 2017-10-17 | 2018-03-20 | 上海庐骁机电设备有限公司 | A kind of liquid metals whirlwind aerosolization formula fuel pulverizing plant |
| CN110747470A (en) * | 2019-12-11 | 2020-02-04 | 芜湖点金机电科技有限公司 | Metal powder unloader based on laser cladding technique |
| CN110793302A (en) * | 2019-11-19 | 2020-02-14 | 江苏威拉里新材料科技有限公司 | Metal powder drying machine |
| CN111023753A (en) * | 2019-12-24 | 2020-04-17 | 芜湖舍达激光科技有限公司 | Dampproofing storage device of metal powder for laser cladding |
| CN211865336U (en) * | 2020-03-12 | 2020-11-06 | 营口恒大实业有限公司 | A filter equipment for processing slice zinc powder coating |
-
2021
- 2021-02-04 CN CN202110157168.3A patent/CN112974817A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499590A (en) * | 2015-12-14 | 2016-04-20 | 石京 | Preparation method and device of ceramic particle reinforced metal matrix composite powder |
| CN107812953A (en) * | 2017-10-17 | 2018-03-20 | 上海庐骁机电设备有限公司 | A kind of liquid metals whirlwind aerosolization formula fuel pulverizing plant |
| CN110793302A (en) * | 2019-11-19 | 2020-02-14 | 江苏威拉里新材料科技有限公司 | Metal powder drying machine |
| CN110747470A (en) * | 2019-12-11 | 2020-02-04 | 芜湖点金机电科技有限公司 | Metal powder unloader based on laser cladding technique |
| CN111023753A (en) * | 2019-12-24 | 2020-04-17 | 芜湖舍达激光科技有限公司 | Dampproofing storage device of metal powder for laser cladding |
| CN211865336U (en) * | 2020-03-12 | 2020-11-06 | 营口恒大实业有限公司 | A filter equipment for processing slice zinc powder coating |
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Application publication date: 20210618 |