Device for producing pre-alloyed powder of non-ferrous metals

Abstract

The present application relates to the technical fields of metal pre-alloy powder manufacturing, and provides a non-ferrous metal pre-alloy powder manufacturing device, which comprises an electromagnetic drive centrifugal mold mechanism, a centrifugal atomization disc, a shell mechanism, a sealing mechanism and an electromagnetic unlocking module.The electromagnetic drive centrifugal mold mechanism comprises an electromagnetic drive module, a rotor module and a limiting portion.The rotor module is arranged in the electromagnetic drive module, and the limiting portion is connected with the rotor module.A clamping leg is fixedly arranged on the back of the centrifugal atomization disc, and the limiting portion can penetrate through the clamping leg.The shell mechanism comprises a mesh type inner shell and an outer shell, and a discharging cavity is arranged between the mesh type inner shell and the outer shell.The electromagnetic drive centrifugal mold mechanism is fixedly arranged at the bottom of the mesh type inner shell.The sealing mechanism comprises a lifting portion, a molten extrusion pipe and a rotary sealing portion.The molten extrusion pipe is fixedly connected with the rotary sealing portion, the rotary sealing portion is rotatably arranged on the surface of the lifting portion, and the rotary sealing portion is used for sealing the shell mechanism.The device has the characteristics of convenient maintenance and high powder quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal pre-alloy powder manufacturing, in particular to a non-ferrous metal pre-alloy powder manufacturing device. BACKGROUND

[0002] Pre-alloyed powder is mainly used in the powder metallurgy and additive manufacturing industries. During the manufacturing of pre-alloyed powder, high-speed centrifugal atomization method is generally used. First, a driving source is used to control the high-speed rotation of an atomization disc. Then, a pipeline is used to drop molten metal to the center of the atomization disc. Finally, centrifugal force is used to tear the molten metal into fine droplets. In this process, inert gas is often used to assist in cooling and inhibit oxidation.

[0003] After searching, the existing announcement number CN108723377A discloses a non-ferrous metal pre-alloy powder manufacturing technology device. The device includes a fixed bottom plate, a support rod symmetrically arranged on the left and right sides of the upper end surface of the fixed bottom plate, a ring-shaped melting tank arranged at the position between the left and right support rods, a heating space arranged in the melting tank, a heating plate fixedly arranged at the left end wall of the heating space, a discharge hole arranged at the lower end wall of the heating space, a sieve hole leak plate fixedly arranged at the upper end of the discharge hole, and a misting tank tightly fitted below the melting tank. A hydraulic lifting device is arranged at the lower end of the misting tank. During the process of lifting the misting tank to be fitted with the melting tank, the impact force is reduced by the sealing gasket to protect the safety of the device. The receiver receives the signal transmitted by the information source to determine the position information of the hydraulic tank, thereby ensuring the safe operation of the device.

[0004] The existing non-ferrous metal pre-alloy powder manufacturing technology device still has the following defects: (1) The centrifugal atomization disc located in the core high-temperature area of the device is a core vulnerable and maintenance component. The traditional fixed method (such as a bolt) is extremely difficult to disassemble, time-consuming, and prone to damage in a high-temperature environment. During maintenance, the device often needs to be stopped and cooled for a long time, which greatly affects the production efficiency; (2) In the traditional inert gas protection centrifugal atomization, a large amount of inert gas (such as argon) used for protection and cooling is usually directly discharged or simply recycled after single use. Not only is the cost high, but also the inert gas cannot play a role in the metal powder discharging process. SUMMARY

[0005] The purpose of this invention is to provide a non-ferrous metal pre-alloyed powder manufacturing device, aiming to solve the problems existing in current aluminum powder processing and screening equipment. This technical solution has outstanding practicality, addresses multiple industry pain points, has a solid engineering implementation foundation, and offers significant economic benefits (cost reduction, efficiency improvement, and quality enhancement). Its application prospects are extremely broad, especially in the booming fields of additive manufacturing (3D printing), high-end metal injection molding (MIM), and advanced manufacturing requiring high-performance metal powders, showing enormous potential to disrupt traditional atomization technologies. Successful industrialization will significantly enhance my country's core competitiveness in the field of high-end metal powder preparation.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a non-ferrous metal pre-alloyed powder manufacturing apparatus, comprising:

[0007] An electromagnetically driven centrifugal mold mechanism, comprising an electromagnetic drive module, a rotor module, and a limiting part, wherein the rotor module is disposed within the electromagnetic drive module, and the limiting part is connected to the rotor module;

[0008] A centrifugal atomizing disc, wherein a locking foot is fixedly provided on the back of the centrifugal atomizing disc, and the limiting part can penetrate the locking foot;

[0009] The housing mechanism includes a mesh-type inner shell and an outer shell, with a feeding chamber provided between the mesh-type inner shell and the outer shell, and the electromagnetic drive centrifugal mold mechanism is fixedly installed at the bottom of the mesh-type inner shell;

[0010] A sealing mechanism, comprising a lifting part, a molten extrusion tube, and a rotating sealing part, wherein the molten extrusion tube is fixedly connected to the rotating sealing part, and the rotating sealing part is rotatably disposed on the surface of the lifting part, and the rotating sealing part is used to seal the housing mechanism;

[0011] An electromagnetic unlocking module is disposed on the surface of the electromagnetically driven centrifugal mold mechanism. The electromagnetic unlocking module is used to control the limiting part to disengage from the locking foot.

[0012] As a further embodiment of the present invention, the electromagnetic drive centrifugal mold mechanism further includes a ventilation disc base, the rotor module includes a hollow rotating shaft, a rotating shell and a positioning groove, the electromagnetic drive module is fixedly disposed on the surface of the ventilation disc base, the hollow rotating shaft is fixedly connected to the rotating shell, the hollow rotating shaft is rotatably disposed on the surface of the ventilation disc base, the rotating shell surface is provided with a positioning groove, and the locking foot can enter the positioning groove.

[0013] The application integrates electromagnetic drive, centrifugal atomization, pneumatic auxiliary secondary crushing, inert gas closed loop circulation cooling and intelligent rapid maintenance mechanism, realizes tool-free and rapid disassembly of the centrifugal atomization disc, significantly improves the fine powder output rate and the uniformity of the powder, and can drive the ordered flow of the metal powder, prevent the metal powder from accumulating and adhering at high temperature, and has the characteristics of convenient maintenance and high powder quality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the application.

[0015] Figure 2 It is an explosion view of the application.

[0016] Figure 3 It is a first perspective view of the electromagnetic drive centrifugal mold mechanism of the embodiment of the application.

[0017] Figure 4 It is a second perspective view of the electromagnetic drive centrifugal mold mechanism of the embodiment of the application.

[0018] Figure 5 It is a perspective view of the centrifugal atomization disc of the embodiment of the application.

[0019] Figure 6 It is a plane sectional view of the centrifugal atomization disc of the embodiment of the application.

[0020] Figure 7 It is a sectional view of the shell mechanism of the embodiment of the application.

[0021] Figure 8 It is a perspective view of the sealing mechanism of the embodiment of the application.

[0022] Figure 9 It is an assembly drawing of the centrifugal atomization disc, the electromagnetic unlocking module and the electromagnetic drive centrifugal mold mechanism of the embodiment of the application.

[0023] Figure 10 It is an assembly drawing of the application.

[0024] Figure 11 It is a sectional view of the application.

[0025] Reference signs: 1-electromagnetic drive centrifugal mold mechanism, 11-ventilation disc seat, 12-electromagnetic drive module, 13-rotor module, 131-hollow rotating shaft, 132-rotating shell frame, 133-positioning groove, 14-limiting part, 141-limiting block, 142-spring, 15-turbine blade;

[0026] 2-centrifugal atomization disc, 21-threaded groove, 22-clamping leg, 23-air hole, 24-first cup-shaped cover;

[0027] 3 - shell mechanism, 31 - mesh inner shell, 32 - outer shell, 33 - second cup cover, 34 - lower plate, 35 - air duct;

[0028] 4 - sealing mechanism, 41 - lifting part, 411 - telescopic part, 412 - base plate, 42 - melt extrusion pipe, 43 - rotary sealing part, 431 - sealing cover, 432 - center sleeve, 433 - driving part, 434 - crushing blade, 435 - scraping blade;

[0029] 5 - electromagnetic unlocking module, 51 - electromagnet, 52 - bracket. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0031] The specific implementation of the present application is described in detail below in combination with specific embodiments.

[0032] Please refer to Figures 1 to 11 In an embodiment of the present application, a non-ferrous pre-alloy powder manufacturing device comprises:

[0033] The electromagnetic drive centrifugal die mechanism 1 comprises an electromagnetic drive module 12, a rotor module 13 and a limiting part 14, the rotor module 13 is arranged in the electromagnetic drive module 12, and the limiting part 14 is connected with the rotor module 13;

[0034] The centrifugal atomization disc 2 is fixedly provided with a clamping leg 22 on the back surface, and the limiting part 14 can penetrate through the clamping leg 22;

[0035] The shell mechanism 3 comprises a mesh inner shell 31 and an outer shell 32, a discharging cavity is arranged between the mesh inner shell 31 and the outer shell 32, and the electromagnetic drive centrifugal die mechanism 1 is fixedly arranged at the bottom of the mesh inner shell 31;

[0036] The sealing mechanism 4 comprises a lifting part 41, a melt extrusion pipe 42 and a rotary sealing part 43, the melt extrusion pipe 42 is fixedly connected with the rotary sealing part 43, the rotary sealing part 43 is rotatably arranged on the surface of the lifting part 41, and the rotary sealing part 43 is used for sealing the shell mechanism 3;

[0037] The electromagnetic unlocking module 5 is arranged on the surface of the electromagnetic drive centrifugal die mechanism 1, and is used for controlling the limiting part 14 to be separated from the clamping leg 22.

[0038] Please refer to Figure 3Further, the electromagnetic driving centrifugal atomizing disc mechanism 1 further comprises a ventilation disc base 11, the rotor module 13 comprises a hollow rotating shaft 131, a rotating shell frame 132 and a positioning groove 133, the electromagnetic driving module 12 is fixedly arranged on the surface of the ventilation disc base 11, the hollow rotating shaft 131 is fixedly connected with the rotating shell frame 132, the hollow rotating shaft 131 is rotatably arranged on the surface of the ventilation disc base 11, the surface of the rotating shell frame 132 is provided with the positioning groove 133, and the clamping leg 22 can enter the positioning groove 133.

[0039] Please refer to Figure 3 and Figure 9 Further, the limiting part 14 comprises a limiting block 141 and a spring 142, the limiting block 141 penetrates through the rotating shell frame 132, the spring 142 is connected between the limiting block 141 and the rotating shell frame 132, the limiting block 141 can penetrate through the limiting hole in the surface of the clamping leg 22, and the limiting block 141 is made of metal.

[0040] Please refer to Figure 9 Further, the electromagnetic unlocking module 5 comprises an electromagnet 51 and a support 52, the electromagnet 51 is fixedly arranged on the surface of the support 52, the support 52 is fixedly arranged on the surface of the ventilation disc base 11, and the electromagnet 51 can control the limiting block 141 to be separated from the clamping leg 22 after being electrified.

[0041] In the embodiment of the present application, the electromagnetic driving module 12 directly drives the rotor module 13, compared with the traditional centrifugal atomizing disc mechanism that usually adopts a motor to drive an atomizing disc through a transmission shaft, mechanical transmission mechanism is eliminated, vibration and pollution risk are reduced, the structure is more compact, the efficiency is higher, the quick installation / dismounting mechanism based on elastic clamping and electromagnetic decoupling is adopted, when the atomizing disc is installed, the clamping leg 22 of the atomizing disc is aligned and pressed down, the built-in spring 142 automatically pops the limiting block 141 into the limiting hole on the clamping leg 22 to complete locking; when the atomizing disc is dismounted, the electromagnet 51 is electrified, the magnetic repulsion principle is used to force the limiting block 141 to exit the limiting hole. At this time, the atomizing disc can be directly taken out, the tool-free, quick and cold-state (or short-time shutdown) dismounting of the centrifugal atomizing disc 2 is realized. The maintenance time is greatly shortened, the equipment utilization rate and production continuity are improved, and in particular, the inconvenience and risk of mechanical operation under high temperature are avoided.

[0042] Installation and maintenance method: during installation, first align the clamping leg 22 of the centrifugal atomizing disc 2 with the positioning groove 133, then directly press the centrifugal atomizing disc 2 according to the elastic clamping principle commonly used in the prior art, the spring 142 can automatically pop the limiting block 141 into the limiting hole on the surface of the clamping leg 22, then use the telescopic part 411 to control the sealing cover 431 to seal the shell mechanism 3; during maintenance, first use the telescopic part 411 to control the sealing cover 431 to separate from the shell mechanism 3, then control the electromagnet 51 to be electrified, the electromagnet 51 after being electrified uses the magnetic repulsion principle to control the limiting block 141 to separate from the limiting hole on the surface of the clamping leg 22, at this time the centrifugal atomizing disc 2 can be directly taken out, and the centrifugal atomizing disc 2 has the characteristics of being convenient to disassemble and maintain.

[0043] Please refer to Figure 8 In an embodiment of the present application, the lifting part 41 comprises a telescopic part 411 and a base plate 412, and the base plate 412 is fixedly connected with the movable end of the telescopic part 411.

[0044] Please refer to Figure 8 and Figure 10 Further, the rotating sealing part 43 comprises a sealing cover 431, a central sleeve 432, a driving part 433 and a crushing blade 434, the central sleeve 432 and the crushing blade 434 are fixedly connected with the sealing cover 431, the central sleeve 432 is rotatably arranged on the surface of the base plate 412, the molten material extruding pipe 42 is sleeved on the central sleeve 432, the driving part 433 is fixedly connected with the base plate 412, and the driving part 433 is used for controlling the rotation of the central sleeve 432.

[0045] In the embodiment of the present application, the surface of the central sleeve 432 is fixedly provided with a transmission gear, the driving part 433 is in transmission connection with the transmission gear, the telescopic part 411 is a hydraulic telescopic rod, and the fixed end of the telescopic part 411 is fixedly connected with a device case, and the device case is an atomizing box or an atomizing cover.

[0046] Please refer to Figure 5 and Figure 6 In an embodiment of the present application, the centrifugal atomizing disc 2 is provided with a threaded groove 21 and an air hole 23 on the front surface, a first cup-shaped cover 24 is fixedly arranged on the back surface of the centrifugal atomizing disc 2, the axis of the air hole 23 is at an angle of 15° or 20° with the surface of the centrifugal atomizing disc 2, a plurality of air holes 23 distributed in a ring are in communication with the first cup-shaped cover 24, and one end of the hollow rotating shaft 131 is connected with the straight pipe end of the first cup-shaped cover 24.

[0047] Please refer to Figure 10 and Figure 11Further, the shell mechanism 3 further comprises a discharging plate 34 and a gas guide pipe 35, the discharging plate 34 is fixedly arranged outside the mesh inner shell 31, the other end of the hollow rotating shaft 131 is rotationally connected with the gas guide pipe 35, the gas guide pipe 35 is connected with the argon gas conveying device, and the shell mechanism 3 further comprises a second cup-shaped cover 33, which is fixedly arranged at the bottom of the mesh inner shell 31, and the second cup-shaped cover 33 can be communicated with the argon gas conveying device.

[0048] In the embodiment of the present application, the argon gas conveying device gas guide pipe 35, the hollow rotating shaft 131 and the annularly distributed gas holes 23 form an argon gas curtain on the central area of the upper surface of the atomization disc, which can form a local high-concentration inert zone directly at the place where the melt spreads and is thrown out, thereby effectively inhibiting oxidation and accelerating the cooling and solidification of the melt drops, and on the other hand, the argon gas can diffuse radially under the action of centrifugal force to form a high-speed gas flow, which actively impacts the unstable liquid filaments or drops thrown out from the disc edge, the annularly distributed breaking blades 434 are located downstream or radially of the impact path of the gas curtain, and the liquid filaments / drops broken by the argon gas flow impact the rotating or stationary breaking blades 434, thereby causing forced secondary physical breaking, and it needs to be noted that when smaller metal powder is needed, the driving part 433 can be used to control the rotation of the sealing cover 431 and the breaking blades 434; otherwise, the breaking blades 434 remain stationary, which can still play a breaking role to a certain extent, and this scheme expands the role of the inert protective gas to a power source actively participating in the breaking process, and ingeniously cooperates with the physical breaking blades 434, thereby significantly improving the output rate of fine powder and the uniformity of the powder.

[0049] The pre-alloyed powder manufacturing method comprises the following steps: first, the electromagnetic driving module 12 is used to control the high-speed rotation of the rotor module 13, then the molten metal is introduced into the central position of the upper surface of the centrifugal atomization disc 2 through the molten extrusion pipe 42, under the action of centrifugal force, the melt spreads on the disc surface to form a thin liquid film, and is thrown out along the disc edge to form unstable liquid filaments, and finally the liquid filaments are broken into liquid drops, the argon gas conveying device forms an argon gas curtain on the upper surface of the centrifugal atomization disc 2 through the gas guide pipe 35, the hollow rotating shaft 131 and the annularly distributed gas holes 23, the argon gas curtain can play a role in inhibiting oxidation and accelerating cooling to form metal powder, and on the other hand, the argon gas can diffuse radially under the action of centrifugal force, thereby achieving the purpose of secondary impact of the liquid filaments or drops, the annularly distributed breaking blades 434 can break the impacted liquid filaments or drops for a second time, thereby obtaining metal powder with smaller particle size, and the metal powder enters the discharging cavity between the mesh inner shell 31 and the outer shell 32 under the action of centrifugal force, and then enters the discharging plate 34.

[0050] Please refer to Figure 4 and Figure 11In one embodiment of the present application, the electromagnetic drive centrifugal atomization mechanism 1 further comprises turbine blades 15 fixedly arranged on the surface of the hollow rotating shaft 131, and the turbine blades 15 are distributed between the ventilation disc seat 11 and the second cup-shaped cover 33.

[0051] Please refer to Figure 7 and Figure 11 Further, the rotating sealing part 43 further comprises a scraper 435, the sealing cover 431 is fixedly connected with the scraper 435, and the scraper 435 is in sliding contact with the surface of the meshed inner shell 31.

[0052] In the embodiment of the present application, the turbine blades 15 rotating at high speed following the hollow rotating shaft 131 are arranged below the atomization disc, and the rotating turbine blades 15 generate negative pressure, which can actively suck the used argon gas flow on the upper surface of the centrifugal atomization disc 2. The sucked gas flow carries part of heat and possible entrained superfine powder, and sequentially passes through the discharging cavity between the inner shell and the outer shell 32, the meshed inner shell 31 (for filtering powder), the ventilation disc seat 11 and the second cup-shaped cover 33, and finally enters the argon gas conveying device to filter and remove impurities (remove superfine powder), cool and adjust pressure of the returned gas flow, and then is re-conveyed to the air guide pipe 35 to form an air curtain. Not only is the closed-loop circulation of argon gas realized, but also the metal powder can be driven to flow in an orderly manner, so that the powder is prevented from accumulating and adhering to the cavity wall at high temperature, and the powder is ensured to smoothly fall to the discharging plate 34, thereby reducing the risk of blockage and oxidation. When the scraper 435 rotates following the sealing cover 431, the powder adhered to the surface of the meshed inner shell 31 can also be automatically cleaned, thereby further reducing the risk of blockage. When the circulating gas flow flows around the electromagnetic drive module 12, the electromagnetic drive module 12 can be provided with forced convection cooling, thereby effectively solving the heating problem caused by high-speed electromagnetic drive, and significantly improving the service life and operation stability of the device.

[0053] In summary, the present application integrates electromagnetic drive, centrifugal atomization, pneumatic auxiliary secondary crushing, inert gas closed-loop circulation cooling and intelligent rapid maintenance mechanism in one, not only realizes tool-free and rapid disassembly of the centrifugal atomization disc 2, but also significantly improves the output rate of fine powder and the uniformity of the powder, and can drive the metal powder to flow in an orderly manner, so that the powder is prevented from accumulating and adhering at high temperature, and has the characteristics of easy maintenance and high powder quality.

[0054] For those skilled in the art, although several embodiments and examples of the present application are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the application. These new embodiments can be implemented in other various ways, and various omissions, substitutions, changes can be made without departing from the scope of the application.

[0055] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A device for producing a pre-alloyed powder of a non-ferrous metal, characterized in that The utility model relates to a kind of electromagnetic drive centrifugal mould mechanism (1), the electromagnetic drive centrifugal mould mechanism (1) includes electromagnetic drive module (12), rotor module (13), limiting portion (14) and ventilation disc seat (11), the rotor module (13) is set in electromagnetic drive module (12), the limiting portion (14) is connected with rotor module (13), the rotor module (13) includes hollow rotating shaft (131), rotating shell frame (132) and positioning groove (133), the electromagnetic drive module (12) is fixedly arranged on the surface of ventilation disc seat (11), the hollow rotating shaft (131) is fixedly connected with rotating shell frame (132), the hollow rotating shaft (131) is rotatably arranged on the surface of ventilation disc seat (11); Centrifugal atomizing disc (2), the back of the centrifugal atomizing disc (2) is fixedly provided with a clamping leg (22), the limiting portion (14) can penetrate the clamping leg (22), the front of the centrifugal atomizing disc (2) is provided with a threaded groove (21) and a gas hole (23), the back of the centrifugal atomizing disc (2) is fixedly provided with a first cup-shaped cover (24), the gas hole (23) axis and the surface of the centrifugal atomizing disc (2) are at an angle of 15°, the gas hole (23) is communicated with the first cup-shaped cover (24), one end of the hollow rotating shaft (131) is connected with the straight pipe end of the first cup-shaped cover (24), the surface of the rotating shell frame (132) is provided with a positioning groove (133), the clamping leg (22) can enter the positioning groove (133); Shell mechanism (3), the shell mechanism (3) includes mesh type inner shell (31), outer shell (32), blanking plate (34) and air guide pipe (35), the mesh type inner shell (31) and the outer shell (32) are provided with a blanking cavity, the electromagnetic drive centrifugal mould mechanism (1) is fixedly arranged at the bottom of the mesh type inner shell (31), the blanking plate (34) is fixedly arranged outside the mesh type inner shell (31), the other end of the hollow rotating shaft (131) is rotatably connected with the air guide pipe (35), and the air guide pipe (35) is connected with argon conveying equipment; Sealing mechanism (4), the sealing mechanism (4) includes lifting portion (41), molten extrusion pipe (42) and rotary sealing portion (43), the molten extrusion pipe (42) is fixedly connected with the rotary sealing portion (43), the rotary sealing portion (43) is rotatably arranged on the surface of the lifting portion (41), and the rotary sealing portion (43) is used to seal the shell mechanism (3); The rotary sealing portion (43) includes sealing cover (431), center sleeve (432), driving portion (433) and crushing blade (434), the center sleeve (432) and the crushing blade (434) are fixedly connected with the sealing cover (431), the center sleeve (432) is rotatably arranged on the surface of the base plate (412), the molten extrusion pipe (42) is sleeved in the center sleeve (432), the driving portion (433) is fixedly connected with the base plate (412), and the driving portion (433) is used to control the rotation of the center sleeve (432). ​ The electromagnetic unlocking module (5) is arranged on the surface of the electromagnetic driving centrifugal mold mechanism (1), and is used for controlling the disengagement of the limiting part (14) from the clamping leg (22).

2. The apparatus for producing a pre-alloyed powder of a non-ferrous metal according to claim 1, wherein The lifting part (41) comprises a telescopic piece (411) and a base plate (412), the fixed end of the telescopic piece (411) is fixedly connected with the equipment shell, and the base plate (412) is fixedly connected with the movable end of the telescopic piece (411).

3. The apparatus for producing a pre-alloyed powder of a non-ferrous metal according to claim 2, wherein The limiting part (14) comprises a limiting block (141) and a spring (142), the limiting block (141) penetrates through the rotating shell frame (132), the spring (142) is connected between the limiting block (141) and the rotating shell frame (132), the limiting block (141) can penetrate through the limiting hole on the surface of the clamping leg (22), and the limiting block (141) is made of metal.

4. The apparatus for producing a pre-alloyed powder of a non-ferrous metal according to claim 3, wherein The electromagnetic unlocking module (5) comprises an electromagnet (51) and a support (52), the electromagnet (51) is fixedly arranged on the surface of the support (52), the support (52) is fixedly arranged on the surface of the ventilation disc seat (11), and the electromagnet (51) can control the disengagement of the limiting block (141) from the clamping leg (22) after being electrified.

5. The apparatus for producing a pre-alloyed powder of a non-ferrous metal according to claim 2, wherein The electromagnetic driving centrifugal mold mechanism (1) further comprises turbine blades (15), the turbine blades (15) are fixedly arranged on the surface of the hollow rotating shaft (131), the shell mechanism (3) further comprises a second cup-shaped cover (33), the second cup-shaped cover (33) is fixedly arranged on the bottom of the mesh inner shell (31), and the turbine blades (15) are distributed between the ventilation disc seat (11) and the second cup-shaped cover (33).

6. The apparatus for producing a pre-alloyed powder of a non-ferrous metal according to claim 4, wherein The rotating sealing part (43) further comprises a scraper (435), the sealing cover (431) is fixedly connected with the scraper (435), and the scraper (435) is in sliding contact with the surface of the mesh inner shell (31).

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