CN217192572U

CN217192572U - Gas atomization powder making equipment for producing spherical titanium alloy powder

Info

Publication number: CN217192572U
Application number: CN202121673392.XU
Authority: CN
Inventors: 赵枫; 黄魁东; 韩宏伟
Original assignee: Zhejiang Tianti Additive Manufacturing Technology Co ltd
Current assignee: Zhejiang Tianti Additive Manufacturing Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-08-16
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a gas atomization powder manufacturing equipment for spherical titanium alloy powder production, which comprises a continuous feeder, a first shell, a second shell and a powder collecting tank, wherein the continuous feeder is arranged above the first shell, the first shell is arranged at the top of the second shell, a vacuum chamber is arranged inside the first shell, a metal straightening device is arranged inside the vacuum chamber, an atomizing chamber is arranged inside the second shell, a gas atomizing device is arranged between the vacuum chamber and the atomizing chamber, a high-frequency smelting coil is arranged at the bottom of the gas atomizing device, the gas atomizing device is used for crushing molten titanium alloy wires into tiny metal liquid drops, the bottom of the second shell is communicated with the powder collecting tank, a driving motor is arranged inside the powder collecting tank, the driving motor is used for driving a heat dissipation plate to rotate, the metal powder is prevented from being accumulated on the heat dissipation plate, the tiny metal liquid drops which are not cooled completely can be cooled through a water cooling system arranged on the second shell and the powder collecting tank, the efficiency of powder process is improved, and the technique is reliable, and is rational in infrastructure.

Description

Gas atomization powder making equipment for producing spherical titanium alloy powder

Technical Field

The utility model relates to a gas atomization powder process equipment for production of spherical titanium alloy powder.

Background

Titanium alloy has the advantages of small density, high strength, strong corrosion resistance and the like, and is widely applied to military departments of aviation, aerospace and the like and civil departments of chemical industry, metallurgy, light industry, biological medical treatment and the like. However, the titanium alloy material has complex processing and production process and low yield, a large amount of residual titanium is generated in the production process, and the manufacturing cost of titanium equipment and parts is increased due to the large processing and welding difficulty and large consumed working hours, so that the wider popularization and application of the titanium equipment and parts are hindered. The titanium alloy powder metallurgy process has short flow, and can directly prepare finished products or parts with the size close to the finished products, thereby greatly reducing the cost of titanium products, improving the utilization rate of materials and improving the material performance. However, titanium alloy is a high-melting-point high-activity metal, and is very easy to pollute and oxidize, so that most of titanium and titanium alloy powder has the problems of high oxygen content, poor sphericity, large powder particle size, uneven particle size distribution and the like, thereby greatly limiting the wider application of titanium alloy powder metallurgy products. The existing gas atomization powder making equipment for producing spherical titanium alloy powder has the problems of low powder making efficiency, uneven particle size distribution, higher impurity content and poor continuity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gas atomization powder process equipment for production of spherical titanium alloy powder is provided, its technique is reliable can improve powder process efficiency to can realize the spherical titanium alloy powder of continuous production.

In order to solve the technical problem, the utility model provides a gas atomization powder production device for spherical titanium alloy powder production, which is characterized in that, the device comprises a continuous feeder, a first shell, a second shell and a powder collecting tank, the continuous feeder is arranged above the first shell and is used for feeding titanium alloy wires into the interior of the first shell, the first shell is arranged at the top of the second shell, the first shell and the second shell are coaxially arranged, a vacuum chamber is arranged in the first shell, a metal straightening device for straightening the titanium alloy wires is arranged in the vacuum chamber, an atomizing chamber is arranged in the second shell, a gas atomization device is arranged between the vacuum chamber and the atomizing chamber, a center hole is arranged on the gas atomization device, a guiding device is arranged in the center hole, a high-frequency smelting coil for melting the titanium alloy wires is arranged at the bottom of the gas atomization device, the gas atomization device be used for breaking into tiny metal liquid drop with the titanium alloy silk that melts, the bottom of second casing with receive the powder jar and be linked together, receive the inside driving motor that is equipped with of powder jar, driving motor's output be equipped with a connecting rod, the top of connecting rod extend to the inside of atomizer chamber along second casing axis direction, the top of connecting rod be equipped with a heating panel, driving motor be used for driving the heating panel and rotate and pile up with the tiny metal liquid drop of preventing falling on the heating panel, the second casing, receive powder jar and heating panel and all be provided with water cooling system so that tiny metal liquid drop cooling solidification be titanium alloy powder.

Preferably, the top of the vacuum chamber is provided with a dynamic sealing device for feeding the titanium alloy wire into the vacuum chamber, and the dynamic sealing device extends out of the top of the first shell along the axial direction of the first shell.

Preferably, the metal straightening device, the dynamic sealing device, the central hole, the high-frequency smelting coil and the heat dissipation plate are all arranged coaxially with the second shell.

Preferably, the heat radiating plate has a conical shape, and a conical surface of the heat radiating plate faces the high-frequency melting coil.

Preferably, the peripheral wall of the second shell is provided with an observation hole and a vacuum interface.

After the structure more than adopting, compared with the prior art, the utility model, have following advantage: the gas atomization powder making device for producing the spherical titanium alloy powder sends the titanium alloy wire into the vacuum chamber through the continuous feeder and the dynamic sealing device, the metal straightening device straightens the titanium alloy wire, the titanium alloy wire is sent into the high-frequency smelting coil for melting through the guiding device, the melted titanium alloy wire is broken into tiny metal liquid drops through the gas atomization device, a water cooling system is arranged on the second shell, the powder receiving tank and the heat dissipation plate to enable the tiny metal liquid drops to be cooled and solidified into the titanium alloy powder, the heat dissipation plate is driven to rotate through the motor, so that the tiny metal liquid drops falling on the heat dissipation plate become the titanium alloy powder and then move to the inner wall of the atomization chamber, in this way, the metal powder can be prevented from being accumulated on the heat dissipation plate, the cooling effect of the heat dissipation plate is influenced, and meanwhile, the tiny metal liquid drops which are not completely cooled can be secondarily cooled through the water cooling system arranged on the second shell and the powder receiving tank again, the efficiency of the powder process is improved, improve the powder process quality, can realize continuous production spherical titanium alloy powder, the technique is reliable, and is rational in infrastructure, is suitable for the popularization.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, a gas atomization powder manufacturing device for producing spherical titanium alloy powder is characterized in that the device comprises a continuous feeder 10, a first shell 20, a second shell 30 and a powder collecting tank 40, the continuous feeder 10 is arranged above the first shell 20 and used for feeding titanium alloy wires into the first shell 20, the first shell 20 is arranged at the top of the second shell 30, the first shell 20 and the second shell 30 are coaxially arranged, a vacuum chamber 21 is arranged inside the first shell 20, a metal straightening device 22 for straightening the titanium alloy wires is arranged inside the vacuum chamber 21, an atomizing chamber 31 is arranged inside the second shell 30, a gas atomization device 50 is arranged between the vacuum chamber 21 and the atomizing chamber 31, the gas atomization device 50 is provided with a central hole 51, and a guide device 52 is arranged in the central hole, the bottom of the gas atomization device 50 is provided with a high-frequency smelting coil 60 for melting titanium alloy wires, the titanium alloy wires are fed into the high-frequency smelting coil 60 through a guide device 52, the gas atomization device 50 is used for crushing the melted titanium alloy wires into fine metal liquid drops, the bottom of the second shell 30 is communicated with the powder receiving tank 40, a driving motor 41 is arranged inside the powder receiving tank 40, the output end of the driving motor 41 is provided with a connecting rod 42, the top end of the connecting rod 42 extends into the atomization chamber 31 along the axis direction of the second shell 30, the top end of the connecting rod 42 is provided with a heat dissipation plate 43, the second shell 30, the powder receiving tank 40 and the heat dissipation plate 43 are all provided with water cooling systems so that the fine metal liquid drops are cooled and solidified into titanium alloy powder, the driving motor 41 is used for driving the heat dissipation plate 43 to rotate so as to prevent the fine metal liquid drops falling on the heat dissipation plate 43 from being accumulated, thereby influence the cooling effect of heating panel 43, can make simultaneously not totally the refrigerated tiny metal liquid drop carry out the secondary cooling through the water cooling system that second casing 30 and receipts powder jar 40 set up once more, improved powder process efficiency, can realize continuous production spherical titanium alloy powder, the technique is reliable, and is rational in infrastructure, is suitable for the popularization.

The top of the vacuum chamber 21 is provided with a dynamic sealing device 23 for feeding the titanium alloy wire into the vacuum chamber 21, and the dynamic sealing device 23 extends out of the top of the first shell 20 along the axial direction of the first shell 20, so that the titanium alloy wire can be fed into the vacuum chamber 21 through the dynamic sealing device 23, and meanwhile, the sealing performance of the vacuum chamber 21 is ensured.

The metal straightening device 22, the dynamic sealing device 23, the central hole 51, the high-frequency smelting coil 60 and the heat dissipation plate 43 are all arranged coaxially with the second shell 30.

The heat dissipation plate 43 is conical, and the conical surface of the heat dissipation plate 43 faces the high-frequency smelting coil 60, so that the effect of shunting can be achieved while fine metal droplets are cooled, titanium alloy powder is prevented from being accumulated on the heat dissipation plate 43, the cooling effect of the heat dissipation plate 43 is affected, and the powder making efficiency is improved.

The peripheral wall of the second shell 30 is provided with an observation hole 32 and a vacuum interface 33, the observation hole 32 is used for observing the melting condition of the titanium alloy wire, if the titanium alloy wire is not completely melted or is over-melted when being melted, the adjustment can be carried out in time, the quality of the produced titanium alloy powder is ensured, and the vacuum interface 33 is used for carrying out vacuum treatment on the atomizing chamber 31, so that the titanium alloy wire is prevented from being oxidized when being melted, and the quality of the titanium alloy powder is further influenced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, but should not be construed as limiting the claims, and the present invention is not limited to the above-described embodiments, but may be modified in various ways. In summary, all changes that can be made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. The gas atomization powder making equipment for producing the spherical titanium alloy powder is characterized by comprising a continuous feeder (10), a first shell (20), a second shell (30) and a powder collecting tank (40), wherein the continuous feeder (10) is arranged above the first shell (20) and used for feeding the titanium alloy wire into the first shell (20), the first shell (20) is arranged at the top of the second shell (30), the first shell (20) and the second shell (30) are coaxially arranged, a vacuum chamber (21) is arranged inside the first shell (20), a metal straightening device (22) used for straightening the titanium alloy wire is arranged inside the vacuum chamber (21), an atomization chamber (31) is arranged inside the second shell (30), and a gas atomization device (50) is arranged between the vacuum chamber (21) and the atomization chamber (31), the utility model discloses a titanium alloy atomizing device, including atomizing device (50), gas atomizing device (50) on be equipped with a centre bore (51), the centre bore in be equipped with a guider (52), gas atomizing device (50) bottom be equipped with and be used for melting titanium alloy silk high frequency melting coil (60), gas atomizing device (50) be used for breaking into tiny metal liquid drop with melting titanium alloy silk, the bottom and the powder jar (40) of receiving of second casing (30) be linked together, the powder jar (40) inside be equipped with a driving motor (41), the output of driving motor (41) be equipped with a connecting rod (42), the top of connecting rod (42) extend to the inside of atomizer chamber (31) along second casing (30) axis direction, the top of connecting rod (42) be equipped with a heating panel (43), driving motor (41) be used for driving heating panel (43) and rotate to prevent that tiny metal liquid drop that falls on atomizer chamber (43) piles up, and the second shell (30), the powder collecting tank (40) and the heat dissipation plate (43) are respectively provided with a water cooling system so as to cool and solidify fine metal liquid drops into titanium alloy powder.

2. The gas atomization powder manufacturing device for spherical titanium alloy powder production according to claim 1, characterized in that a dynamic seal device (23) for feeding the titanium alloy wire into the vacuum chamber (21) is arranged at the top of the vacuum chamber (21), and the dynamic seal device (23) extends out of the top of the first housing (20) along the axial direction of the first housing (20).

3. The gas atomization powder manufacturing device for spherical titanium alloy powder production according to claim 1 or 2, characterized in that the metal straightening device (22), the dynamic sealing device (23), the central hole (51), the high-frequency smelting coil (60) and the heat dissipation plate (43) are all arranged coaxially with the second shell (30).

4. The gas atomization powder manufacturing device for spherical titanium alloy powder production as recited in claim 1, wherein the heat dissipation plate (43) is conical, and a conical surface of the heat dissipation plate (43) faces the high-frequency melting coil (60).

5. The gas atomization powder manufacturing device for spherical titanium alloy powder production as recited in claim 1, wherein a viewing hole (32) and a vacuum port (33) are provided on a peripheral wall of the second housing (30).