CN113042742A - Be used for titanium powder preparation degree of depth refining device - Google Patents
Be used for titanium powder preparation degree of depth refining device Download PDFInfo
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- CN113042742A CN113042742A CN202110288069.9A CN202110288069A CN113042742A CN 113042742 A CN113042742 A CN 113042742A CN 202110288069 A CN202110288069 A CN 202110288069A CN 113042742 A CN113042742 A CN 113042742A
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1295—Refining, melting, remelting, working up of titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/22—Remelting metals with heating by wave energy or particle radiation
- C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
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- 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
- B22F2009/0832—Handling of atomising fluid, e.g. heating, cooling, cleaning, recirculating
Abstract
The invention discloses a deep refining device used in a titanium powder preparation process, which comprises the following units: the device comprises a superior titanium rod smelting and feeding unit, a titanium liquid refining chamber, a plasma gun connecting shaft driving rod unit, a plasma gun swinging unit and an argon loop system. Under the protection of an argon loop device and a cooling system, the automatic movement control of a plasma refining gun is driven by an external driving rod device, the secondary refining processing of the titanium liquid in a molten state in a titanium liquid refining pool is realized, and the refined titanium liquid enters an atomizing chamber through an overflow port and is atomized into powder. The equipment shortens the flow of titanium powder preparation, realizes the rapid and continuous powder preparation process from the titanium rod to the titanium powder processing, reduces the labor intensity, and has strong practicability and easy popularization and use.
Description
Technical Field
The invention relates to the technical field of titanium and titanium alloy liquid processing and refining devices thereof, in particular to a titanium and titanium alloy refining device.
Background
The 3D material increase is used as a raw material of metal 3D printing equipment, has the characteristics of high temperature resistance, corrosion resistance and the like, is a key material for manufacturing a 3D printing technology and equipment forming, is widely applied to the technical fields of national defense science and technology and civil industry, and the powder quality of titanium powder is a key for determining the quality of a finished product. The prior titanium powder preparation process in China is mostly staged, each step is independently carried out in the preparation process, the time and the energy consumption in the titanium powder preparation process are greatly increased, and the problems of low yield and poor quality exist. The international requirement on titanium powder is very high, and the difficulty cannot be overcome particularly because the sphericity and the particle size of the powder are very strict, so that the international market cannot be opened by domestic titanium powder manufacturers. Therefore, the titanium powder with low preparation cost and international high-level quality has very important significance for occupying the international titanium powder market and breaking monopoly of foreign suppliers in China.
In the field of preparation of titanium powder by vacuum gas atomization, few patents are specially designed for optimizing an important intermediate link of deep refining of titanium liquid in a flowing process, most of the patents directly enter an atomizing nozzle to be atomized into powder when liquid drops are formed, so that the problems of low powder obtaining rate, uneven powder particle size and the like in the actual production process are caused, the link is ignored in the actual production process, the automation degree is low, and the problem of restricting the production efficiency of the titanium powder in China is solved.
Disclosure of Invention
The invention aims to provide a titanium liquid deep refining device which can solve the problems of low powder yield, uneven powder particle size and the like in the actual production process through the optimized control of the titanium liquid in the secondary smelting and finish machining process.
In order to achieve the aim, the invention provides a titanium powder preparation deep refining device, which comprises the following process flows of:
the device comprises a superior titanium rod smelting and feeding device, a titanium liquid refining chamber, a plasma gun connecting shaft driving rod, a plasma gun swinging device and an argon gas loop device.
The superior titanium rod smelting and feeding device comprises a titanium rod raw material and a smelting heating source, and is characterized in that: the titanium rod raw material can be continuously fed below the smelting heating source through design, and the titanium rod raw material forms continuous liquid drops and enters the titanium liquid refining pool device below.
The titanium liquid refining chamber comprises: a titanium liquid refining pool device and a cooling water circulation loop; the method is characterized in that: the titanium liquid refining pool device is arranged at the bottom end of the titanium liquid refining chamber, a titanium liquid overflow port is designed at the rear end of the titanium liquid refining pool device, and the overflow port is communicated with the next-stage atomizing device; the cooling water circulation circuit includes: the cooling water storage tank, the cooling water pump, the waterway electric valve, the water inlet pipeline and the water outlet pipeline; the titanium liquid refining pool device is characterized in that the cooling water storage tank, the cooling water pump and the water path electric valve are all installed outside the titanium liquid refining chamber, the cooling water pump is installed between the water path electric valve and the cooling water storage tank, the water inlet pipeline and the water outlet pipeline are installed on the periphery of the titanium liquid refining pool device and used for taking away the temperature of the inner wall of the titanium liquid refining pool device, the water inlet pipeline and the water outlet pipeline are communicated with each other to achieve cooling water circulation, and the inner wall forms a layer of titanium.
The plasma gun connecting shaft driving rod device comprises: the plasma gun fixing structure, the plasma gun upper and lower connecting shaft driving mechanism, the Z1 shaft servo motor, the Z1 shaft screw rod, the Z2 shaft servo motor, the Z2 shaft screw rod, the Z1 shaft upper limit position switch, the Z1 shaft original point position switch, the Z1 shaft lower limit position switch, the Z2 shaft upper limit position switch, the Z2 shaft original point position switch and the Z2 shaft lower limit position switch; plasma rifle fixed knot constructs and installs and link a actuating mechanism upper portion about the plasma rifle, and the installation of plasma rifle afterbody is fixed in on the fixed knot structure, Z1 axle servo motor and Z2 axle servo motor install link a actuating mechanism both sides about the plasma rifle, and Z1 axle screw rod and Z2 axle screw rod install at Z1 axle servo motor and Z2 axle servo motor downside, link a actuating mechanism and link to each other about through the plasma rifle, guarantee the motion stability of plasma rifle. The Z1 shaft upper limit position switch, the Z1 shaft original point position switch and the Z1 shaft lower limit position switch are respectively arranged at the upper part, the middle part and the lower part of the Z1 shaft spiral rod; the Z2 axis is the same.
The argon gas loop device comprises: the device comprises an argon storage tank, a gas circuit electromagnetic valve, a gas circuit gate valve and a gas inlet pipeline; the argon storage tank, the gas circuit electromagnetic valve and the gas circuit gate valve are arranged outside the plasma gun, and argon enters the plasma gun through the gas inlet pipeline to ensure that the plasma gun is smoothly ignited and operated; the gas circuit solenoid valve is installed between the gas circuit push-pull valve argon gas holding vessel, guarantees that the gas circuit switches on.
The plasma gun swing device includes: the device comprises an electric swing cylinder, an X-axis servo motor, a Y-axis servo motor, an X-axis screw rod, a Y-axis screw rod, an X-axis upper limit position switch, an X-axis original point position switch, an X-axis lower limit position switch, a Y-axis upper limit position switch, a Y-axis original point position switch, a Y-axis lower limit position switch and a sealing device. The plasma gun enters the refining chamber through the sealing device; the X-axis servo motor and the Y-axis servo motor are arranged in two directions of the swinging electric cylinder, the X-axis screw rod and the Y-axis screw rod are arranged on the lower sides of the X-axis servo motor and the Y-axis servo motor, and the swinging electric cylinder drives the plasma gun to move; the X-axis upper limit position switch, the X-axis original point position switch and the X-axis lower limit position switch are respectively arranged at the upper part, the middle part and the lower part of the X-axis spiral rod; and the Y-axis upper limit position switch, the Y-axis original point position switch and the Y-axis lower limit position switch are respectively arranged at the upper part, the middle part and the lower part of the Y-axis spiral rod.
As a preferable technical scheme of the invention, the position detection switches are all ohm dragon proximity switches.
As a preferred technical scheme of the invention, the used cooling water is pure water without impurities, so that water pipelines are protected from generating scale.
As a preferable technical scheme of the invention, cooling water is arranged around the titanium liquid refining pool device, so that a protective shell is formed on the inner wall of the titanium liquid refining pool, and the purity of the formed titanium powder is ensured.
As a preferable technical scheme of the invention, the sealing device is made of a telescopic material and can swing along with the swinging electric cylinder, so that the sealing performance of the device is ensured.
As a preferable technical scheme of the invention, the cooling water pipelines are all wrapped by the heat insulation layer.
As a preferred technical scheme of the invention, the refining device can continuously carry out secondary smelting on the titanium liquid while ensuring the continuous operation of the previous-stage smelting device, thereby ensuring the continuity of titanium powder preparation and fully improving the preparation efficiency.
As a preferable technical solution of the present invention, the cooling water inlet pipe is configured to allow the cooling water to flow into the cooling water storage tank again through the water outlet pipe after the cooling water enters the vacuum refining chamber, so as to realize the recycling of the cooling water.
As a preferable technical scheme of the invention, the cooling water storage tank is provided with a refrigerating device, so that the cooling water passing through the water inlet pipeline is ensured to be at about 5 ℃.
Drawings
FIG. 1 is a schematic view of the overall structure of a titanium liquid refining apparatus.
In the figure: 1 is the interior of a titanium liquid refining chamber, 2 is a titanium liquid refining pool, 3 is a titanium liquid overflow port, 4 is a feeding titanium rod, 5 is a plasma refining gun, 6 is titanium liquid in a molten state, 7 is a water channel electric valve, 8 is a cooling water pump, 9 is a previous-stage smelting device, 10 swings an electric cylinder, 11 is an upper and lower connecting shaft driving mechanism, 12 is a Y-axis servo motor, 13 is an X-axis servo motor, 14 is an argon gas storage tank, 15 is an air channel electromagnetic valve, 16 is a gate valve, 17 is a Z1-axis servo motor, 18 is a Z2-axis servo motor, 19 is a titanium liquid refining pool device, 20 is titanium liquid in a falling state, 21 is a cooling water inlet pipe, 22 is a cooling water outlet pipe, 23 is a cooling water storage tank, 24 is a plasma gun fixing device, 25 is a Z1-axis upper limit position switch, 26 is a Z1-axis original position switch, 27 is a Z1-axis lower limit position switch, 28 is a Z2-axis upper limit position switch, 29 is a Z2 axis origin position switch, 30 is a Z2 axis lower limit position switch, 31 is a Y axis upper limit position switch, 32 is a Y axis origin position switch, 33 is a Y axis lower limit position switch, 34 is an X axis upper limit position switch, 35 is an X axis origin position switch, 36 is an X axis lower limit position switch, 37 is a sealing device, 38 is an argon gas inlet pipe, 39 is a refining chamber system, 40 is a Z1 axis screw rod, 41 is a Z2 axis screw rod, 42 is an X axis screw rod, and 43 is a Y axis screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without any creative effort based on the embodiments of the present invention belong to the protection scope of the present invention.
According to the disclosure of the invention, the invention provides a deep refining device for titanium powder preparation, and the whole device mainly comprises the following parts: the device comprises a superior titanium rod smelting and feeding device, a titanium liquid refining chamber, a plasma gun connecting shaft driving rod, a plasma gun swinging device and an argon gas loop device.
With reference to fig. 1, the upper-level titanium rod smelting and feeding device comprises a titanium rod raw material 4 and a smelting heating source 5, the titanium rod raw material 4 can be continuously fed below the smelting heating source 5 through design, and the titanium rod raw material 4 forms continuous liquid drops 20 and enters a lower titanium liquid refining pool device 19.
Referring to fig. 1, the titanium liquid refining chamber includes: a titanium liquid refining pool device 19 and a cooling water circulation loop; the method is characterized in that: the titanium liquid refining pool device 19 is arranged at the bottom end of the titanium liquid refining chamber 39, a titanium liquid overflow port 3 is designed at the rear end of the titanium liquid refining pool device 19, and the overflow port 3 is communicated with a next-stage atomizing device; the cooling water circulation circuit includes: a cooling water storage tank 23, a cooling water pump 8, a waterway electric valve 7, a water inlet pipeline 21 and a water outlet pipeline 22; cooling water holding vessel 23, cooling water pump 8, water route motorised valve 7 are all installed outside the titanium liquid refining room, and cooling water pump 8 installs between water route motorised valve 7 and cooling water holding vessel, and inlet channel 21 and outlet conduit 22 are installed and are used for taking away the temperature of 19 inner walls of titanium liquid refining pool device 19 around the titanium liquid refining pool device 19, and inlet channel 21 and outlet conduit 22 communicate with each other and realize the cooling water circulation, and the inner wall is formed with one deck titanium liquid protective housing 2.
As shown in fig. 1, the plasma gun shaft-connecting driving rod apparatus includes: a plasma gun fixing structure 24, a plasma gun upper and lower connecting shaft driving mechanism 11, a Z1 shaft servo motor 17, a Z1 shaft screw 40, a Z2 shaft servo motor 18, a Z2 shaft screw 41, a Z1 shaft upper limit position switch 25, a Z1 shaft original point position switch 26, a Z1 shaft lower limit position switch 27, a Z2 shaft upper limit position switch 28, a Z2 shaft original point position switch 29 and a Z2 shaft lower limit position switch 30; plasma gun fixed knot constructs 24 and installs on 11 upper portions of even axle actuating mechanism about the plasma gun, and the installation of plasma gun afterbody is fixed in on fixed knot constructs 24, Z1 axle servo motor 17 and Z2 axle servo motor 18 are installed and are linked an axle actuating mechanism both sides about the plasma gun, and Z1 axle screw 40 and Z2 axle screw 41 are installed at Z1 axle servo motor 17 and Z2 axle servo motor 18 downside, link to each other through plasma gun upper and lower even axle actuating mechanism 11, guarantee the motion stability of plasma gun. The Z1 shaft upper limit position switch 25, the Z1 shaft original point position switch 26 and the Z1 shaft lower limit position switch 27 are respectively arranged at the upper part, the middle part and the lower part of the Z1 shaft screw rod 40; the Z2 axis is the same.
As shown in fig. 1, the argon gas circuit device includes: the argon storage tank 14, the gas path electromagnetic valve 15, the gas path gate valve 16 and the argon inlet pipeline 38; the argon storage tank 14, the gas path electromagnetic valve 15 and the gas path gate valve 16 are arranged outside the plasma gun, and argon enters the plasma gun 5 through the gas inlet pipeline 38 to ensure the smooth ignition operation of the plasma refining gun 5; the gas circuit electromagnetic valve 15 is installed between the gas circuit gate valve 16 and the argon storage tank 14 to ensure gas circuit conduction.
As shown in fig. 1, the plasma gun swing apparatus includes: the swing electric cylinder 10, the X-axis servo motor 13, the Y-axis servo motor 12, the X-axis screw 42, the Y-axis screw 43, the X-axis upper limit position switch 34, the X-axis origin position switch 35, the X-axis lower limit position switch 36, the Y-axis upper limit position switch 31, the Y-axis origin position switch 32, the Y-axis lower limit position switch 33, and the sealing device 37. The electric swinging cylinder 10 is arranged at the upper part of the refining chamber 39, the middle part of the electric swinging cylinder 10 is communicated with the refining chamber 39, the sealing device is arranged at the upper part of the electric swinging cylinder 10, and the plasma refining gun 5 enters the refining chamber 39 through the sealing device; the X-axis servo motor 13 and the Y-axis servo motor 12 are arranged at two positions of the swinging electric cylinder 10, the X-axis screw rod 42 and the Y-axis screw rod 43 are arranged at the lower sides of the X-axis servo motor 13 and the Y-axis servo motor 12, and the swinging electric cylinder 10 drives the plasma refining gun 5 to move; the X-axis upper limit position switch 34, the X-axis original point position switch 35 and the X-axis lower limit position switch 36 are respectively arranged at the upper part, the middle part and the lower part of the X-axis spiral rod 42; the Y-axis upper limit position switch 31, the Y-axis origin position switch 32, and the Y-axis lower limit position switch 33 are respectively installed at the upper, middle, and lower portions of the Y-axis screw 43.
Before the titanium rod raw material 4 is smelted, the vacuum degree of the whole set of device needs to be confirmed to be within the process requirement range, the smoothness of a water path and a gas path is ensured, the pressure of the vacuum refining chamber 39 is ensured to be normal, the process requirement is met, and the whole system can be used for carrying out the next step of feeding titanium rod smelting refining.
The titanium liquid 20 in smelting flows into a titanium liquid refining pool 19 through a vacuum refining chamber, according to the design scale of the titanium liquid refining pool 19 and the capacity of a feeding device, the yield of the titanium liquid produced in one batch can receive 60kg of titanium powder, the temperature of the smelted titanium liquid is over 1400 ℃, a high-temperature infrared thermometer is adopted in the refining chamber for temperature data acquisition, and the power of a plasma gun can be adjusted in real time by a controller according to the temperature.
When the titanium rod raw material 4 is smelted into molten liquid drops 20, the molten liquid drops 20 enter a titanium liquid refining pool 19 in a vacuum refining chamber 39, and when an upper-stage smelting system runs, a cooling water system is started to timely take away the temperature of the inner wall of the titanium liquid refining pool 19, so that the titanium liquid 6 in the molten state is prevented from reacting with the titanium liquid refining pool 19, and the quality of titanium powder is ensured. The rear end of the titanium liquid refining pool 19 is provided with a titanium liquid overflow port 3, and the titanium liquid enters the next-stage atomization powder making equipment through the overflow port.
The upper part of the titanium liquid refining pool 19 is provided with a plasma gun refining gun 5 for heating and refining, the up-and-down movement of the plasma refining gun 5 is controlled by an up-and-down connecting shaft driving mechanism 11, in order to ensure the stability of the up-and-down movement of the plasma refining gun 5, Z1 shaft screw rods 40 and Z2 shaft screw rods 41 are arranged on two sides of the plasma refining gun 5, and the up-and-down connecting shaft driving mechanism 11 can synchronously move up and down. After the cooling system is started, the plasma gun is driven by the plasma gun connecting shaft driving rod 11 to move to the position of the original point position detection switch 29, and the gas circuit control unit is started to ignite and heat to enable the titanium liquid to be in a molten state.
The titanium liquid refining pool 19 gathers and refines the smelted titanium liquid 20, and conveys the smelted titanium liquid to the next stage of atomization powdering link, and the designed and improved titanium liquid refining device overcomes the limitation of batch powder making in the existing domestic market, and can realize the continuity of the titanium powder from smelting to refining to powdering under the condition of ensuring continuous smelting. Meanwhile, the titanium powder yield in the whole link can be 60kg per hour, the production efficiency is improved and the manufacturing cost is greatly reduced under the condition that the process requirement is met.
Claims (10)
1. A deep refining device for titanium powder preparation comprises the following process flows: the device comprises a superior titanium rod smelting feeding unit, a titanium liquid refining chamber, a plasma gun connecting shaft driving rod unit, a plasma gun swinging unit and an argon loop system. Titanium liquid after the former-stage smelting drips into titanium liquid refining pool device (19) of vacuum refining chamber (1), and plasma refining rifle (5) remove through plasma rifle connecting shaft actuating lever unit and plasma swing unit on vacuum refining chamber system (39) upper portion, guarantee switching on of argon gas return circuit system in plasma refining rifle (5) swing in-process, guarantee going on smoothly of igniteing.
2. The titanium powder production deep refining device according to claim 1, characterized in that: higher level titanium stick smelting feed unit includes titanium stick raw and other materials (4), smelts heating source (5), characterized by: the titanium rod raw material (4) can be continuously fed below the smelting heating source (5) through design, and the titanium rod raw material (4) forms continuous liquid drops (20) and enters a titanium liquid refining pool device (19) below.
3. The titanium powder production deep refining device according to claim 1, characterized in that: the titanium liquid refining chamber comprises: a titanium liquid refining pool device (19) and a cooling water circulation loop; the method is characterized in that: the titanium liquid refining pool device (19) is arranged at the bottom end of the titanium liquid refining chamber (39), a titanium liquid overflow port (3) is designed at the rear end of the titanium liquid refining pool device (19), and the overflow port (3) is communicated with a next-stage atomizing device; the cooling water circulation circuit includes: a cooling water storage tank (23), a cooling water pump (8), a waterway electric valve (7), a water inlet pipeline (21) and a water outlet pipeline (22); cooling water holding vessel (23), cooling water pump (8), water route motorised valve (7) are all installed outside the titanium liquid refining room, and cooling water pump (8) are installed between water route motorised valve (7) and cooling water holding vessel, and inlet channel (21) and outlet conduit (22) are installed and are used for taking away titanium liquid refining pool device (19) inner wall temperature all around titanium liquid refining pool device (19), and inlet channel (21) and outlet conduit (22) communicate with each other and realize the cooling water circulation, and the inner wall is formed with one deck titanium liquid protective housing (2).
4. The titanium powder production deep refining device according to claim 1, characterized in that: the plasma gun connecting shaft driving rod unit includes: the plasma gun automatic detection device comprises a plasma gun fixing structure (24), a plasma gun upper and lower connecting shaft driving mechanism (11), a Z1 shaft servo motor (17), a Z1 shaft screw rod (40), a Z2 shaft servo motor (18), a Z2 shaft screw rod (41), a Z1 shaft upper limit position switch (25), a Z1 shaft original point position switch (26), a Z1 shaft lower limit position switch (27), a Z2 shaft upper limit position switch (28), a Z2 shaft original point position switch (29) and a Z2 shaft lower limit position switch (30); plasma gun fixed knot constructs (24) and installs and link an actuating mechanism (11) upper portion about the plasma gun, and the installation of plasma gun afterbody is fixed in on fixed knot constructs (24), Z1 axle servo motor (17) and Z2 axle servo motor (18) are installed and are linked an actuating mechanism (11) both sides about the plasma gun, and Z1 axle screw (40) and Z2 axle screw (41) are installed at Z1 axle servo motor (17) and Z2 axle servo motor (18) downside, link an actuating mechanism (11) and link to each other about through the plasma gun, guarantee the motion stability of plasma gun. The Z1 shaft upper limit position switch (25), the Z1 shaft original point position switch (26) and the Z1 shaft lower limit position switch (27) are respectively arranged at the upper part, the middle part and the lower part of a Z1 shaft screw rod (40); the Z2 axis is the same.
5. The titanium powder production deep refining device according to claim 1, characterized in that: the argon gas loop system comprises: an argon storage tank (14), an air path electromagnetic valve (15), an air path gate valve (16) and an argon inlet pipeline (38); the argon storage tank (14), the gas path electromagnetic valve (15) and the gas path gate valve (16) are arranged outside the plasma gun, and argon enters the plasma gun (5) through the gas inlet pipeline (38) to ensure that the plasma refining gun (5) is smoothly ignited and operated; the gas circuit electromagnetic valve (15) is installed between the gas circuit gate valve (16) and the argon storage tank (14) to ensure gas circuit conduction.
6. The titanium powder production deep refining device according to claim 1, characterized in that: the plasma gun swing device includes: the device comprises a swing electric cylinder (10), an X-axis servo motor (13), a Y-axis servo motor (12), an X-axis screw rod (42), a Y-axis screw rod (43), an X-axis upper limit position switch (34), an X-axis original point position switch (35), an X-axis lower limit position switch (36), a Y-axis upper limit position switch (31), a Y-axis original point position switch (32), a Y-axis lower limit position switch (33) and a sealing device (37). The electric swinging cylinder (10) is arranged at the upper part of the refining chamber (39), the middle part of the electric swinging cylinder (10) is communicated with the refining chamber (39), the sealing device is arranged at the upper part of the electric swinging cylinder (10), and the plasma refining gun (5) enters the refining chamber (39) through the sealing device; the X-axis servo motor (13) and the Y-axis servo motor (12) are arranged at two positions of the swinging electric cylinder (10), the X-axis screw rod (42) and the Y-axis screw rod (43) are arranged at the lower sides of the X-axis servo motor (13) and the Y-axis servo motor (12), and the swinging electric cylinder (10) drives the plasma refining gun (5) to move; the X-axis upper limit position switch (34), the X-axis original point position switch (35) and the X-axis lower limit position switch (36) are respectively arranged at the upper part, the middle part and the lower part of the X-axis screw rod (42); the Y-axis upper limit position switch (31), the Y-axis original point position switch (32) and the Y-axis lower limit position switch (33) are respectively arranged at the upper part, the middle part and the lower part of the Y-axis screw rod (43).
7. The titanium powder preparation deep finishing device of claim 1, characterized in that: the cooling water storage tank (23) is provided with a refrigerating device, and the cooling water is purified water without impurities, so that water channels and pipelines are protected from generating scale.
8. The titanium powder production deep refining device according to claim 1, characterized in that: the sealing device (37) is made of a telescopic material and can swing along with the swinging electric cylinder (10), so that the sealing performance of the device is guaranteed.
9. The titanium powder production deep refining device according to claim 1, characterized in that: the lower end of the titanium liquid refining pool device (19) is provided with a gravity sensing device which can monitor the weight of the titanium liquid in the titanium liquid refining pool device (19).
10. The titanium powder production deep refining device according to claim 1, characterized in that: the position detection switch is arranged in the movable maximum range of the plasma gun and can be used for protecting the plasma gun from touching an external mechanical structure in the movement process, so that the safety of equipment is ensured.
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| CN202110288069.9A CN113042742A (en) | 2021-03-17 | 2021-03-17 | Be used for titanium powder preparation degree of depth refining device |
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