CN209886691U - 3D prints doublestage gas atomizing nozzle - Google Patents
3D prints doublestage gas atomizing nozzle Download PDFInfo
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- CN209886691U CN209886691U CN201822171318.2U CN201822171318U CN209886691U CN 209886691 U CN209886691 U CN 209886691U CN 201822171318 U CN201822171318 U CN 201822171318U CN 209886691 U CN209886691 U CN 209886691U
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Abstract
The utility model discloses a 3D printing two-stage gas atomization nozzle, which comprises a shell, an output head, an output hole, a mixing cavity, a first sealing gasket, a fixing screw, an atomization cavity, a lower guide seat, an isolation net, an upper guide seat, an inclined hole, an output pipe, an output channel, a second sealing gasket, a first end cover, an auxiliary atomization nozzle, a connecting seat and a cavity; the utility model has the advantages of reasonable and simple structure, the main atomizer of setting, can make liquid metal stream smash into the dribble and solidify into the powder in partly gas-liquid mixture atomized spray to output channel, and vice atomizer then can make liquid metal stream smash into the dribble and solidify into the powder in another part atomized spray to the atomizing chamber, then the powder mixes with the powder that output channel erupted in carrying the hybrid chamber through the inclined hole again, then printing through the output hole blowout, here smash into the dribble and solidify into the powder after shunting liquid metal, can improve liquid metal atomizing efficiency and effect.
Description
Technical Field
The utility model relates to a 3D prints technical field, in particular to 3D prints doublestage gas atomization nozzle.
Background
3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by using an adhesive material such as powdered metal or plastic based on a digital model file and by printing layer by layer; in recent years, 3D printing is highly concerned all over the world, the technology can simplify the product manufacturing procedure, shorten the product development period, improve the efficiency and reduce the cost, and can be widely applied to industries such as national defense, aerospace, automobile and mechanical manufacturing; however, the preparation technology of the 3D metal powder with high quality and low cost becomes the development bottleneck of the 3D printing technology, and the 3D printing metal powder has to meet the requirements of high purity, fine powder particle size, low oxygen content, narrow particle size distribution, high sphericity, good fluidity, high apparent density and the like besides good plasticity; the gas atomization powder preparation technology has the advantages of high production rate, low cost and good sphericity, and is one of the main methods for preparing metal and alloy powder thereof; the basic principle of gas atomization is to use a high-speed gas flow to crush liquid metal flow into small liquid drops and solidify the small liquid drops into powder; the core technology of gas atomization is to control the action process of gas on liquid metal, so that the kinetic energy of the gas is converted into the surface energy of the new powder to the maximum extent, and a nozzle is the key technology of gas atomization; the atomizing gas is used for increasing the speed and increasing the energy through a nozzle, so that the liquid metal is effectively crushed, and spherical or sub-spherical powder meeting the requirements is prepared; the nozzle controls the flow and the flow pattern of the atomized medium, and plays a vital role in the high and low atomization efficiency and the stability of the atomization process; however, the existing gas atomization nozzles generally have the problems of low sphericity, high cost, low fine powder yield and insufficient uniformity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a 3D prints doublestage gas atomizing nozzle just in order to solve above-mentioned problem, it is low to have solved current gas atomizing nozzle ubiquitous sphericity, and is with high costs, and the farine is received the yield and is hanged down and not enough even problem.
In order to solve the above problem, the utility model provides a technical scheme: the utility model provides a 3D prints doublestage gas atomizing nozzle, its innovation point lies in: the device comprises a shell, an output head, an output hole, a mixing cavity, a first sealing gasket, a fixing screw, an atomizing cavity, a lower guide seat, an isolation net, an upper guide seat, an inclined hole, an output pipe, an output channel, a second sealing gasket, a first end cover, an auxiliary atomizing nozzle, a connecting seat and a first cavity; the output head is fixedly connected to the bottom of the shell, an output hole is vertically formed in the center of the interior of the output head, and a first sealing gasket is arranged between the top surface of the output head and the bottom surface of the shell; the mixing cavity is arranged in the center of the shell; the lower guide seat is fixedly connected to the bottom surface inside the mixing cavity through a plurality of fixing screws; the atomization cavities are uniformly arranged on the periphery of the outer side of the mixing cavity respectively, the atomization cavities are arranged in the shell in a circular manner, and the inner sides of the atomization cavities are communicated with the inner part of the mixing cavity through inclined holes; the isolation nets are a plurality of and are respectively and fixedly connected to the lower sides of the corresponding atomization cavities; the upper guide seat is positioned on the upper side of the lower guide seat, the outer part of the upper guide seat is connected with the inner part of the upper side of the mixing cavity, and the inner part of the upper guide seat is fixedly connected with the outer part of the lower side of the output pipe; an output channel is vertically arranged in the output pipe; the lower side of the connecting seat is fixedly connected to the upper side of the shell, and a second sealing gasket is arranged between the outer edge of the bottom surface of the connecting seat and the top surface of the shell; the first cavity is arranged in the center of the lower side of the connecting seat, and the periphery of the outer side of the lower side of the first cavity is fixedly connected with the auxiliary atomizing nozzles through the first end cover; and outlets at the lower side of the auxiliary atomizing nozzles are respectively communicated with the inner parts of the corresponding mixing cavities.
Preferably, the device also comprises a first communication hole, a second chamber, a second communication hole, a connector, an input device, a main atomizing nozzle, a third sealing gasket, a fourth sealing gasket and a second end cover; the cavity II is arranged on the upper side of the cavity I, the cavity II is arranged in the upper side of the center of the connecting seat, and the periphery of the outer side of the lower side of the cavity II is connected with the inner part of the cavity I through a plurality of communication holes I; the connector is fixedly connected inside the center of the connecting seat, the bottom of the connector is fixedly connected with the main atomizing nozzle, and the periphery of the lower side inside the connector is communicated with the inside of the second cavity through a plurality of second communication holes; the input device is fixedly connected to an opening at the upper side of the connector; the bottom of the main atomizing nozzle is fixedly connected to the top of the output pipe, and an outlet at the lower side of the main atomizing nozzle is communicated with the interior of the output channel; the upper side of the output pipe is fixedly connected to the center of the bottom of the connecting seat through a second end cover; a fourth sealing gasket is arranged between the top surface of the second end cover and the bottom surface of the step on the upper side of the output pipe; the third sealing gasket is arranged between the opening at the upper side of the mixing cavity and the bottom of the connecting seat.
Preferably, the lower guide seat has a funnel-shaped upper inner portion and an upper edge located at a lower side of the inner outlet of the inclined hole.
Preferably, the lower side of the upper guide seat is provided with a conical surface with a large upper part and a small lower part, and the edge of the upper side of the conical surface is positioned on the upper side of the outlet at the inner side of the inclined hole.
Preferably, the inclined hole is a taper hole with a high outer part and a low inner part.
Preferably, the first chamber is a circular chamber.
Preferably, the second chamber is a circular chamber.
Preferably, the input device specifically comprises a shell, an air cavity, an input joint, an input pipe, an air outlet and an air pipe joint; an air cavity is arranged in the shell, and an input connector is fixedly connected to the center of the top of the shell; the upper side of the input pipe is fixedly connected to the center inside the air cavity, and an inlet at the upper side of the input pipe is communicated with an outlet at the lower side of the input connector; the air cavity right side entrance fixedly connected with trachea connects, the air cavity downside evenly is equipped with the several venthole in all around.
Preferably, the upper side and the lower side of the interior of the air cavity are provided with guide conical surfaces.
The utility model has the advantages that:
(1) the utility model has the advantages of reasonable structure simple, low in production cost, high durability and convenient installation, the main atomizer of setting, can make liquid metal stream smash into the dribble and solidify into the powder in partly gas-liquid mixture atomizing injection delivery channel, vice atomizer then can make liquid metal stream smash into the dribble and solidify into the powder in another part atomizing injection spray atomizing chamber, then the powder mixes with delivery channel erupted powder in carrying the hybrid chamber through the inclined hole again, then print through delivery port blowout, here through smashing into the dribble and solidifying into the powder behind the reposition of redundant personnel with liquid metal, can improve liquid metal atomizing efficiency and effect.
(2) The utility model discloses in the separation net that sets up, can guarantee to deposit liquid can not enter into the hybrid chamber along with the powder after the atomizing in the atomizing chamber to powder spun homogeneity and uniformity have been improved.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the input device.
1-a shell; 2-an output head; 3-an output hole; 4-a mixing chamber; 5, sealing gasket I; 6-fixing screws; 7-an atomizing chamber; 8-lower guide seat; 9-an isolation net; 10-upper guide seat; 11-inclined holes; 12-an output pipe; 13-an output channel; 14-gasket two; 15-end cover one; 16-auxiliary atomizer; 17-a connecting seat; 18-Chamber one; 19-a first communicating hole; 20-chamber two; 21-a second communicating hole; 22-a connector; 23-an input device; 24-a main atomizer; 25-sealing gasket III; 26-gasket four; 27-end cap two; 231-a housing; 232-air cavity; 233-input connector; 234-input tube; 235-air outlet holes; 236-air pipe joint.
Detailed Description
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: A3D printing double-stage gas atomizing nozzle comprises a shell 1, an output head 2, an output hole 3, a mixing cavity 4, a first sealing gasket 5, a fixing screw 6, an atomizing cavity 7, a lower guide seat 8, an isolation net 9, an upper guide seat 10, an inclined hole 11, an output pipe 12, an output channel 13, a second sealing gasket 14, a first end cover 15, an auxiliary atomizing nozzle 16, a connecting seat 17 and a first cavity 18; the output head 2 is fixedly connected to the bottom of the shell 1, an output hole 3 is vertically formed in the center of the interior of the output head 2, and a first sealing gasket 5 is arranged between the top surface of the output head 2 and the bottom surface of the shell 1; the mixing cavity 4 is arranged in the center of the shell 1; the lower guide seat 8 is fixedly connected to the bottom surface inside the mixing cavity 4 through a plurality of fixing screws 6; the atomizing chambers 7 are provided in a plurality, the atomizing chambers 7 are respectively and uniformly positioned around the outer side of the mixing chamber 4, the atomizing chambers 7 are circularly arranged in the shell 1, and the inner sides of the atomizing chambers 7 are communicated with the inner part of the mixing chamber 4 through inclined holes 11; the number of the isolation nets 9 is several, and the isolation nets 9 are respectively fixedly connected to the lower sides of the corresponding inner parts of the atomization cavities 7; the upper guide seat 10 is positioned on the upper side of the lower guide seat 8, the outer part of the upper guide seat 10 is connected with the inner part of the upper side of the mixing cavity 4, and the inner part of the upper guide seat 10 is fixedly connected with the outer part of the lower side of the output pipe 12; an output channel 13 is vertically arranged in the output pipe 12; the lower side of the connecting seat 17 is fixedly connected to the upper side of the shell 1, and a second sealing gasket 14 is arranged between the outer edge of the bottom surface of the connecting seat 17 and the top surface of the shell 1; the first cavity 18 is arranged in the center of the lower side of the connecting seat 17, and the periphery of the outer side of the lower side of the first cavity 18 is fixedly connected with an auxiliary atomizing nozzle 16 through a first end cover 15; the lower side outlets of the auxiliary atomizing nozzles 16 are respectively communicated with the interiors of the corresponding mixing cavities 4.
The device also comprises a first communication hole 19, a second chamber 20, a second communication hole 21, a connector 22, an input device 23, a main atomizing spray head 24, a third sealing gasket 25, a fourth sealing gasket 26 and a second end cover 27; the second chamber 20 is positioned on the upper side of the first chamber 18, the second chamber 20 is arranged inside the upper side of the center of the connecting seat 17, and the periphery of the outer side of the lower side of the second chamber 20 is connected with the inside of the first chamber 18 through a plurality of first communicating holes 19; the connector 22 is fixedly connected to the inside of the center of the connecting seat 17, the bottom of the connector 22 is fixedly connected with a main atomizing nozzle 24, and the periphery of the lower side of the inside of the connector 22 is communicated with the inside of the second cavity 20 through a plurality of second communication holes 21; the input device 23 is fixedly connected to an opening at the upper side of the connector 22; the bottom of the main atomizer 24 is fixedly connected to the top of the output pipe 12, and the outlet at the lower side of the main atomizer 24 is communicated with the inside of the output channel 13; the upper side of the output pipe 12 is fixedly connected to the center of the bottom of the connecting seat 17 through a second end cover 27; a fourth sealing gasket 26 is arranged between the top surface of the second end cover 27 and the bottom surface of the step on the upper side of the output pipe 12; the third sealing gasket 25 is arranged between the opening at the upper side of the mixing cavity 4 and the bottom of the connecting seat 17.
Wherein, the inner part of the upper side of the lower guide seat 8 is funnel-shaped, and the edge of the upper side is positioned at the lower side of the outlet at the inner side of the inclined hole 11; the lower side of the upper guide seat 10 is provided with a conical surface with a large upper part and a small lower part, and the edge of the upper side of the conical surface is positioned on the upper side of an outlet at the inner side of the inclined hole 11; the inclined hole 11 is arranged in a conical shape with a high outer part and a low inner part; the first chamber 18 is a circular chamber; the second chamber 20 is a circular chamber.
As shown in fig. 2, the input device 23 specifically includes a housing 231, an air chamber 232, an input connector 233, an input pipe 234, an air outlet 235 and an air pipe connector 236; an air cavity 232 is arranged inside the shell 231, and an input connector 233 is fixedly connected to the center of the top of the shell 231; the upper side of the input pipe 234 is fixedly connected to the center inside the air cavity 232, and the inlet on the upper side of the input pipe 234 is communicated with the outlet on the lower side of the input joint 233; an air pipe joint 236 is fixedly connected to the right inlet of the air cavity 232, and a plurality of air outlets 235 are uniformly formed in the periphery of the lower side of the air cavity 232.
Wherein, the upper and lower sides in the air cavity 232 are provided with guiding conical surfaces.
The utility model discloses a user state does: the utility model has the advantages of reasonable and simple structure, low in production cost, simple to operate, in operation, liquid metal at first carries inside connector 22 through input joint 233 and input tube 234, high-pressure gas passes through air pipe joint 236 simultaneously, air cavity 232 and venthole 235 carry connector 22 inside and liquid metal mix, then some gas-liquid mixture atomizes through main atomizer 24 and sprays to make liquid metal flow smash into the droplet and solidify into the powder in delivery passage 13, and another part loops through second intercommunicating pore 21, second cavity 20, intercommunicating pore 19, first cavity 18 atomizes with vice atomizer 16 and sprays to make liquid metal flow smash into the droplet and solidify into the powder in atomizing chamber 7, then the powder is mixed with the powder that delivery passage 13 erupted in carrying mixing chamber 4 through inclined hole 11 again, then printing through delivery hole 3 blowout, the liquid metal is divided and then crushed into small liquid drops and solidified into powder, so that the atomization efficiency and effect of the liquid metal can be improved, and the separation net 9 is arranged to ensure that the liquid deposited in the atomization cavity 7 cannot enter the mixing cavity 4 along with the atomized powder, so that the uniformity and consistency of powder ejection are improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified and improved without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention, and which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a 3D prints doublestage gas atomizing nozzle which characterized in that: the device comprises a shell (1), an output head (2), an output hole (3), a mixing cavity (4), a first sealing gasket (5), a fixing screw (6), an atomizing cavity (7), a lower guide seat (8), an isolation net (9), an upper guide seat (10), an inclined hole (11), an output pipe (12), an output channel (13), a second sealing gasket (14), a first end cover (15), an auxiliary atomizing spray nozzle (16), a connecting seat (17) and a first cavity (18);
the output head (2) is fixedly connected to the bottom of the shell (1), an output hole (3) is vertically formed in the center of the interior of the output head (2), and a first sealing gasket (5) is arranged between the top surface of the output head (2) and the bottom surface of the shell (1);
the mixing cavity (4) is arranged in the center of the shell (1);
the lower guide seat (8) is fixedly connected to the bottom surface inside the mixing cavity (4) through a plurality of fixing screws (6);
the atomizing chambers (7) are multiple, the atomizing chambers (7) are respectively and uniformly located on the periphery of the outer side of the mixing chamber (4), the atomizing chambers (7) are arranged in the shell (1) in a circular mode, and the inner sides of the atomizing chambers (7) are communicated with the inner part of the mixing chamber (4) through inclined holes (11);
the number of the isolation nets (9) is multiple, and the isolation nets (9) are respectively and fixedly connected to the lower sides of the interiors of the corresponding atomization cavities (7);
the upper guide seat (10) is positioned on the upper side of the lower guide seat (8), the outer part of the upper guide seat (10) is connected with the inner part of the upper side of the mixing cavity (4), and the inner part of the upper guide seat (10) is fixedly connected with the outer part of the lower side of the output pipe (12);
an output channel (13) is vertically arranged in the output pipe (12);
the lower side of the connecting seat (17) is fixedly connected to the upper side of the shell (1), and a second sealing gasket (14) is arranged between the outer edge of the bottom surface of the connecting seat (17) and the top surface of the shell (1);
the first chamber (18) is arranged in the center of the lower side of the connecting seat (17), and the periphery of the outer side of the lower side of the first chamber (18) is fixedly connected with an auxiliary atomizing nozzle (16) through a first end cover (15);
and outlets at the lower side of the auxiliary atomizing nozzles (16) are respectively communicated with the interiors of the corresponding mixing cavities (4).
2. The dual stage atomizing nozzle for 3D printing according to claim 1, wherein: the device also comprises a first communicating hole (19), a second chamber (20), a second communicating hole (21), a connector (22), an input device (23), a main atomizing spray head (24), a third sealing gasket (25), a fourth sealing gasket (26) and a second end cover (27);
the second chamber (20) is positioned on the upper side of the first chamber (18), the second chamber (20) is arranged inside the upper side of the center of the connecting seat (17), and the periphery of the outer side of the lower side of the second chamber (20) is connected with the inside of the first chamber (18) through a plurality of first communicating holes (19);
the connector (22) is fixedly connected to the inside of the center of the connecting seat (17), the bottom of the connector (22) is fixedly connected with a main atomizing nozzle (24), and the periphery of the lower side of the inside of the connector (22) is communicated with the inside of the second cavity (20) through a plurality of second communication holes (21);
the input device (23) is fixedly connected to an opening at the upper side of the connector (22);
the bottom of the main atomizing nozzle (24) is fixedly connected to the top of the output pipe (12), and an outlet at the lower side of the main atomizing nozzle (24) is communicated with the inside of the output channel (13);
the upper side of the output pipe (12) is fixedly connected to the center of the bottom of the connecting seat (17) through a second end cover (27);
a fourth sealing gasket (26) is arranged between the top surface of the second end cover (27) and the bottom surface of the step on the upper side of the output pipe (12);
the third sealing gasket (25) is arranged between the opening at the upper side of the mixing cavity (4) and the bottom of the connecting seat (17).
3. The dual stage atomizing nozzle for 3D printing according to claim 1, wherein: the inside of the upper side of the lower guide seat (8) is funnel-shaped, and the edge of the upper side is positioned at the lower side of an outlet at the inner side of the inclined hole (11).
4. The dual stage atomizing nozzle for 3D printing according to claim 1, wherein: the lower side of the upper guide seat (10) is provided with a conical surface with a large upper part and a small lower part, and the edge of the upper side of the conical surface is positioned on the upper side of an outlet at the inner side of the inclined hole (11).
5. The dual stage atomizing nozzle for 3D printing according to claim 1, wherein: the inclined hole (11) is arranged in a conical hole with a high outer part and a low inner part.
6. The dual stage atomizing nozzle for 3D printing according to claim 1, wherein: the first chamber (18) is a circular chamber.
7. The dual stage atomizing nozzle for 3D printing according to claim 2, wherein: the second chamber (20) is a circular chamber.
8. The dual stage atomizing nozzle for 3D printing according to claim 2, wherein: the input device (23) specifically comprises a shell (231), an air cavity (232), an input joint (233), an input pipe (234), an air outlet (235) and an air pipe joint (236);
an air cavity (232) is arranged in the shell (231), and an input connector (233) is fixedly connected to the center of the top of the shell (231);
the upper side of the input pipe (234) is fixedly connected to the center inside the air cavity (232), and an inlet on the upper side of the input pipe (234) is communicated with an outlet on the lower side of the input connector (233);
an air pipe joint (236) is fixedly connected to the right inlet of the air cavity (232), and a plurality of air outlet holes (235) are uniformly formed in the periphery of the lower side of the air cavity (232).
9. The dual stage aerosolization nozzle of claim 8, wherein: the upper side and the lower side inside the air cavity (232) are provided with guiding conical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171318.2U CN209886691U (en) | 2018-12-24 | 2018-12-24 | 3D prints doublestage gas atomizing nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822171318.2U CN209886691U (en) | 2018-12-24 | 2018-12-24 | 3D prints doublestage gas atomizing nozzle |
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| CN209886691U true CN209886691U (en) | 2020-01-03 |
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| CN201822171318.2U Active CN209886691U (en) | 2018-12-24 | 2018-12-24 | 3D prints doublestage gas atomizing nozzle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396454A (en) * | 2018-12-24 | 2019-03-01 | 南通金源智能技术有限公司 | A kind of 3D printing twin-stage aerosolization nozzle |
| CN112974816A (en) * | 2021-02-04 | 2021-06-18 | 江苏威拉里新材料科技有限公司 | A gas atomization device for preparing 3D prints metal powder |
-
2018
- 2018-12-24 CN CN201822171318.2U patent/CN209886691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396454A (en) * | 2018-12-24 | 2019-03-01 | 南通金源智能技术有限公司 | A kind of 3D printing twin-stage aerosolization nozzle |
| CN112974816A (en) * | 2021-02-04 | 2021-06-18 | 江苏威拉里新材料科技有限公司 | A gas atomization device for preparing 3D prints metal powder |
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