CN211284543U - Powder feeder for 3D (three-dimensional) jet deposition - Google Patents
Powder feeder for 3D (three-dimensional) jet deposition Download PDFInfo
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- CN211284543U CN211284543U CN201921754855.8U CN201921754855U CN211284543U CN 211284543 U CN211284543 U CN 211284543U CN 201921754855 U CN201921754855 U CN 201921754855U CN 211284543 U CN211284543 U CN 211284543U
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Abstract
The utility model discloses a 3D sprays powder feeder for deposit, the powder feeder is "T" style of calligraphy of falling, the powder feeder includes charging hopper and gas powder blending tank, the vertical part of "T" style of calligraphy of falling is charging hopper, the horizontal part of "T" style of calligraphy of falling is gas powder blending tank, charging hopper and gas powder blending tank communicate each other; the hopper is provided with a hopper cover, a first gas control valve and a material control valve, the hopper cover is arranged at the top of the hopper, the first gas control valve is connected with the hopper, and the material control valve is arranged at the joint of the hopper and the gas-powder mixing tank; install the gaseous control valve of second on the gas powder blending tank, the one end of gas powder blending tank is equipped with the nozzle, the nozzle can be dismantled with the gas powder blending tank and be connected. The utility model discloses can effectively improve the mobility of powder in the powder feeder, increase the velocity of flow of powder.
Description
Technical Field
The utility model relates to a spray forming technical field, more specifically relates to a 3D sprays deposit with sending powder machine.
Background
In the 3D spraying and depositing process, ceramic powder particles are sprayed to a 3D spraying platform from a powder feeder to deposit under the action of high-pressure nitrogen. The working process of the powder feeder in the prior art is as follows: after ceramic powder particles are poured into a storage device, the ceramic powder particles enter the funnel-shaped powder collecting cavity under the action of self gravity, and then the ceramic particles are sprayed out under the action of a spraying device.
However, as the high-pressure nitrogen continuously enters, the air pressure inside the injection device gradually rises, and under the action of the air pressure, the ceramic powder particles in the storage device cannot enter the powder collection cavity any more, so that the flowability of the powder is poor, and the ceramic powder particles are aggregated in the storage tank to form agglomerates, thereby blocking the pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, provide a 3D sprays deposit with sending powder machine, solved and sent powder machine working process in the injection process powder mobility poor, the problem of easy jam pipeline.
The purpose of the utility model is realized through the following technical scheme:
a powder feeder for 3D (three-dimensional) jet deposition is inverted T-shaped and comprises a charging funnel and a gas powder mixing tank, wherein the vertical part of the inverted T-shaped part is the charging funnel, the horizontal part of the inverted T-shaped part is the gas powder mixing tank, and the charging funnel is communicated with the gas powder mixing tank;
the charging hopper is provided with a hopper cover, a first gas control valve and a material control valve, the hopper cover is arranged at the top of the hopper, the first gas control valve is connected with the charging hopper, and the material control valve is arranged above the connection part of the charging hopper and the gas-powder mixing tank;
install the gaseous control valve of second on the gas powder blending tank, the one end of gas powder blending tank is equipped with the nozzle, the nozzle can be dismantled with the gas powder blending tank and be connected.
Further, the surface of the charging hopper is provided with a vibrator.
Further, the nozzle is connected with the gas-powder mixing tank through a flange.
Furthermore, a flange plate is arranged at the other end of the gas-powder mixing tank far away from the nozzle.
Furthermore, the flange plate is connected with the gas-powder mixing tank through bolts.
Further, a control switch is installed on the nozzle.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the ceramic powder particles in the utility model form a gas-powder mixture in the gas-powder mixing tank, and the gas-powder mixing tank is provided with a gas control valve for introducing high-pressure nitrogen into the tank to form the gas-powder mixture; high-pressure nitrogen gas forms the vortex of high-speed rotation after getting into the gas powder blending tank, stirs the powder granule in the gas powder blending tank, forms even gas powder mixture, and the mixing effect is good.
The utility model is provided with a gas control valve and a vibrator on the charging funnel, the gas control valve is used for introducing high-pressure nitrogen into the charging funnel, increasing the air pressure in the charging funnel and promoting the powder particles in the charging funnel to flow to the gas-powder mixing tank; and meanwhile, the vibrator on the surface of the charging hopper vibrates, so that the powder flowability is further improved, the powder flow rate is increased, and agglomeration is prevented.
Drawings
FIG. 1 is a schematic view of the structure of a powder feeder for 3D spray deposition according to example 1;
fig. 2 is a schematic structural diagram of a powder feeder for 3D spray deposition according to example 2.
Wherein, 1 is a charging hopper, 2 is a first gas control valve, 3 is a material control valve, 4 is a gas-powder mixing tank, 5 is a second gas control valve, 6 is a nozzle, 7 is a flange plate, 8 is a hopper cover, and 9 is a vibrator.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
Example 1
As shown in fig. 1, the present embodiment provides a powder feeder for 3D spray deposition, which is inverted "T" shaped and includes a charging hopper 1 and a gas-powder mixing tank 4. Wherein, the vertical part of "T" style of calligraphy is for filling funnel 1, and the horizontal part is gas powder blending tank 4, and filling funnel 1 and gas powder blending tank 4 intercommunicate.
The charging hopper 1 is provided with a hopper cover 8, a first gas control valve 2 and a material control valve 3; specifically, the funnel cover 8 is installed on the top of the funnel and used for opening and closing the funnel; the first gas control valve 2 is connected with the charging hopper 1 and is used for introducing high-pressure nitrogen into the hopper; the material control valve 3 is arranged above the connection part of the gas-powder mixing tank 4 on the charging funnel 1 and is used for controlling the descending flow rate of the powder in the charging funnel 1; a vibrator is also arranged on the surface of the funnel, and the vibration generated by the vibrator promotes the powder particles in the funnel to flow, so that the flow rate of the powder is increased. The vibrator used in the embodiment is a high-frequency vibrator, and the vibration frequency is 40-80 Hz.
The gas-powder mixing tank 4 is transversely arranged, a second gas control valve 5 is installed on the gas-powder mixing tank 4, a nozzle 6 is arranged at one end of the gas-powder mixing tank 4, a control switch is installed on the nozzle 6, the nozzle 6 is detachably connected with the gas-powder mixing tank 4, and flange connection is preferred in the embodiment; and a flange 7 is arranged at the other end of the gas-powder mixing tank 4 far away from the nozzle 6, and the flange 7 is connected with the gas-powder mixing tank 4 by bolts.
Specifically, the working process of the powder feeder for 3D spray deposition provided in this embodiment is as follows:
s1, ceramic powder particles are loaded into a charging hopper, a hopper cover is closed, and then a material control valve is opened to enable the powder particles to fall into a gas-powder mixing tank under the action of gravity;
s2, opening a second gas control valve, introducing high-pressure nitrogen into the gas-powder mixing tank, and allowing the high-pressure nitrogen to collide with the inner wall of the tank body after entering the gas-powder mixing tank to form a vortex rotating at a high speed so as to drive powder particles to form a uniform gas-powder mixture;
s3, opening a first gas control valve and a vibrator, introducing high-pressure nitrogen into a charging hopper, increasing the air pressure in the hopper, and increasing the flowability of powder by matching with the vibration generated by the vibrator to enable the powder to fall;
and S4, opening a control switch on the nozzle, and spraying the gas-powder mixture onto a 3D spraying platform for deposition.
Example 2
As shown in fig. 2, this example provides a powder feeder for 3D spray deposition, which is different from example 1 in that a vibrator is not mounted on the surface of a charging hopper, with reference to example 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. The powder feeder for 3D injection deposition is characterized in that the powder feeder is inverted T-shaped, the powder feeder comprises a charging funnel and a gas-powder mixing tank, the vertical part of the inverted T-shaped is the charging funnel, the horizontal part of the inverted T-shaped is the gas-powder mixing tank, and the charging funnel is communicated with the gas-powder mixing tank;
the charging hopper is provided with a hopper cover, a first gas control valve and a material control valve, the hopper cover is arranged at the top of the hopper, the first gas control valve is connected with the charging hopper, and the material control valve is arranged above the connection part of the charging hopper and the gas-powder mixing tank;
install the gaseous control valve of second on the gas powder blending tank, the one end of gas powder blending tank is equipped with the nozzle, the nozzle can be dismantled with the gas powder blending tank and be connected.
2. The powder feeder for 3D spray deposition according to claim 1, wherein the charging hopper is surface-mounted with a vibrator.
3. The powder feeder for 3D spray deposition according to claim 1, wherein the nozzle is flanged to the gas-powder mixing tank.
4. The powder feeder for 3D spray deposition according to claim 1, wherein a flange is provided at the other end of the gas-powder mixing tank far from the nozzle.
5. The powder feeder for 3D jet deposition according to claim 4, wherein the flange plate is connected with the gas-powder mixing tank by bolts.
6. The powder feeder for 3D spray deposition according to claim 1, wherein a control switch is mounted on the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921754855.8U CN211284543U (en) | 2019-10-18 | 2019-10-18 | Powder feeder for 3D (three-dimensional) jet deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921754855.8U CN211284543U (en) | 2019-10-18 | 2019-10-18 | Powder feeder for 3D (three-dimensional) jet deposition |
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| Publication Number | Publication Date |
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| CN211284543U true CN211284543U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921754855.8U Active CN211284543U (en) | 2019-10-18 | 2019-10-18 | Powder feeder for 3D (three-dimensional) jet deposition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418612A (en) * | 2022-09-23 | 2022-12-02 | 研博智创任丘科技有限公司 | Powder coating stores up powder and leaks powder device |
-
2019
- 2019-10-18 CN CN201921754855.8U patent/CN211284543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418612A (en) * | 2022-09-23 | 2022-12-02 | 研博智创任丘科技有限公司 | Powder coating stores up powder and leaks powder device |
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