A high-energy high-velocity plasma atomized multi-filament device
By combining multiple wire feeding mechanisms and an inclined plate integrated ultrasonic rotary disk, the problems of unstable composition and poor powder quality in the atomization process of low-melting-point alloys are solved, achieving efficient powder preparation and improving production efficiency and powder quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU AMPRO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-14
AI Technical Summary
Existing plasma atomization equipment suffers from problems such as component loss, poor powder quality, and low production efficiency when processing low-melting-point alloys. In particular, high temperatures can easily cause low-melting-point metals to vaporize and overflow, and traditional rotating discs tend to accumulate powder. There is also a lack of effective auxiliary crushing and vibration structures.
Multiple wire feeding mechanisms are used to synchronously and at the same speed deliver low-melting-point alloy wires. Combined with precise positioning of a single plasma torch and an integrated ultrasonic rotating disk with inclined plates, ultrasonic vibration and centrifugal rotation are combined. The extraction bottle-shaped shell provides a cooling space and is designed to be compatible with low-melting-point alloy atomization.
It achieves stable composition, improved powder quality, increased fine powder rate, and increased production efficiency by more than 30% during the atomization process of low-melting-point alloys, while reducing costs.
Smart Images
Figure CN224487674U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of metal powder preparation equipment, specifically to a high-energy, high-speed plasma atomization multi-filament device. Background Technology
[0002] In the field of metal powder preparation, plasma atomization technology is widely used in the powder preparation of high-melting-point metals (such as titanium alloys, tungsten, molybdenum, etc.) due to its characteristics of high instantaneous temperature and high instantaneous speed. In the existing technology, plasma atomization equipment usually integrates three plasma torches to atomize high-melting-point metal wires with a diameter of 3-8mm. The powder produced has advantages such as high sphericity, high purity, and high flowability.
[0003] However, existing plasma atomization equipment has significant drawbacks when processing low-melting-point alloys (such as aluminum alloys, magnesium alloys, manganese alloys, tin alloys, and copper alloys):
[0004] 1. Existing equipment with multi-plasma torches is designed for high-melting-point metals. The high temperature can easily cause low-melting-point metals to vaporize and overflow when they melt, resulting in component loss.
[0005] 2. Traditional rotating discs have no tilt design, which makes it easy for powder to accumulate and affects powder dispensing;
[0006] 3. The lack of effective auxiliary crushing and vibration structures results in low powder fineness, low production efficiency, and high costs.
[0007] Therefore, there is an urgent need for a new structural device that can be adapted to the atomization and powdering of low-melting-point alloys. Utility Model Content
[0008] The purpose of this invention is to provide a high-energy, high-speed plasma atomization multi-filament device, which aims to solve the problems of unstable composition, poor powder quality, and low production efficiency in the atomization and powdering of low-melting-point alloys.
[0009] To achieve the above objectives, the technical solution adopted by this utility model is: a high-energy, high-speed plasma atomizing multi-filament device, comprising:
[0010] Multiple wire feeding mechanisms are used to synchronously and at the same speed convey three or more sets of low melting point alloy wires and to make the multiple sets of wires converge at the same convergence point.
[0011] A single plasma torch, wherein the outlet of the plasma torch is located 2-5 mm directly above the junction of the filaments, and the ignition port of the plasma torch overlaps with the junction of the filaments in the vertical direction;
[0012] An inclined plate integrated ultrasonic rotating disk is located directly below the junction of the wires. The disk surface of the inclined plate integrated ultrasonic rotating disk is inclined at 3-5°. An ultrasonic vibrator is provided at the bottom of the inclined plate integrated ultrasonic rotating disk. The ultrasonic vibrator is connected to the inclined plate integrated ultrasonic rotating disk through a stainless steel conduit to transmit ultrasonic waves.
[0013] The overall shape of the device casing is that of an extraction bottle.
[0014] In one preferred embodiment, the diameter of the low-melting-point alloy wire is 3-6 mm.
[0015] In one preferred embodiment, the number of filament groups conveyed by the multiple filament feeding mechanisms is 3-5 groups.
[0016] In one preferred embodiment, the multiple sets of filament feeding mechanisms include servo motors and straightening wheels connected to the servo motors. The servo motors drive the straightening wheels to rotate to achieve synchronous and same-speed feeding of the filaments.
[0017] In one preferred embodiment, the ultrasonic vibrator is fixedly installed at the bottom center of the inclined plate integrated ultrasonic rotating disk.
[0018] In one preferred embodiment, the inclined plate integrated ultrasonic rotary disk is made of high-temperature resistant metal material.
[0019] In one preferred embodiment, the extraction bottle-shaped device housing forms a cavity inside, providing space for the breakup and cooling of the molten metal droplets.
[0020] Due to the application of the above technical solution, the beneficial effects of this application compared with the prior art are as follows:
[0021] Suitable for low-melting-point alloys: A single plasma torch with precise positioning avoids the vaporization of low-melting-point metals caused by the high temperature of multiple torches, ensuring stable composition.
[0022] Improve powder quality: The inclined plate integrated ultrasonic rotating disk has an inclined design to prevent accumulation. The combination of ultrasonic vibration and rotational centrifugation enables multiple breaks of metal droplets, improving the fine powder rate, reducing the hollow rate, and improving sphericity.
[0023] Improve production efficiency: Multiple sets of filaments are fed synchronously, and a single plasma torch processes them simultaneously. Combined with the efficient space utilization of the extraction bottle shape, this increases output per unit time and reduces costs. Attached Figure Description
[0024] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0025] Appendix Figure 1 This is a schematic diagram of the high-energy, high-speed plasma atomization multi-filament device of this utility model;
[0026] The components include: 1. Wire feeding mechanism; 2. Plasma torch; 3. Inclined plate integrated ultrasonic rotary disk; 4. Ultrasonic vibrator; 5. Straightening wheel; 6. Device housing. Detailed Implementation
[0027] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0028] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0029] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing the present invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0030] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.
[0031] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.
[0032] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0033] Example 1
[0034] Appendix Figure 1 The high-energy, high-speed plasma atomizing multi-filament device of this utility model includes multiple filament feeding mechanisms 1, a single plasma torch 2, and an inclined plate integrated ultrasonic rotating disk 3. The device as a whole is shaped like an extraction bottle.
[0035] Multiple sets of wire feeding mechanisms 1 are used to synchronously and at the same speed feed three or more sets of low melting point alloy wires (3-6mm in diameter) and to make the multiple sets of wires converge at the same convergence point. The multiple sets of wire feeding mechanisms 1 include servo motors and straightening wheels 5 connected to the servo motors. The servo motors drive the straightening wheels 5 to rotate to achieve synchronous and same-speed feeding of the wires. The wire feeding mechanism 1 can achieve precise wire feeding by driving the straightening wheels 5 with the servo motors to ensure wire synchronization.
[0036] A single plasma torch 2, the outlet of which is located 2-5mm directly above the junction of the filaments, and the ignition port of the plasma torch 2 overlaps with the junction of the filaments in the vertical direction; this ensures that the plasma beam accurately melts multiple sets of filaments, reduces energy waste, and avoids excessive vaporization of low-melting-point metals;
[0037] An inclined plate integrated ultrasonic rotating disk 3 is located directly below the junction of the wires. It is made of high-temperature resistant metal material. The disk surface of the inclined plate integrated ultrasonic rotating disk 3 is inclined at 3-5°. An ultrasonic vibrator 4 is provided at the bottom of the inclined plate integrated ultrasonic rotating disk 3. The ultrasonic vibrator 4 is fixedly installed at the center of the bottom of the inclined plate integrated ultrasonic rotating disk 3. The ultrasonic vibrator 4 is connected to the inclined plate integrated ultrasonic rotating disk 3 through a stainless steel conduit to transmit ultrasonic waves; thereby realizing ultrasonic wave transmission and assisting in the breaking of metal droplets.
[0038] The overall shape of the device housing 6 is that of an extraction bottle, providing ample rotational centrifugation distance and cooling space, which is beneficial for powder formation.
[0039] Example 2
[0040] A high-energy, high-speed plasma atomization multi-filament device includes four sets of filament feeding mechanisms 1 (servo motor driven straightening wheels 5), one plasma torch 2, one inclined plate integrated ultrasonic rotating disk 3, and the device shell 6 is in the shape of an extraction bottle.
[0041] Four sets of aluminum alloy wires with a diameter of 5mm are synchronously and at the same speed conveyed by the wire feeding mechanism 1 and converge at one point;
[0042] The plasma torch 2 outlet is located 3mm above the junction point, and the ignition port is vertically aligned with the junction point. After startup, it melts the wire to form a liquid metal column.
[0043] The metal liquid column falls onto the inclined plate integrated ultrasonic rotating disk 3 with a 4° inclination below, and the ultrasonic vibrator 4 at the bottom of the inclined plate integrated ultrasonic rotating disk 3 transmits vibration through a stainless steel conduit.
[0044] The liquid metal column breaks through the air once at a distance of 0.15 mm from the inclined plate integrated ultrasonic rotating disk 3. After contacting the inclined plate integrated ultrasonic rotating disk 3, it is broken up a second time by centrifugal force and refined by ultrasonic vibration. Finally, the powder is cooled and collected in the extraction bottle-shaped cavity.
[0045] This device effectively solves the problems of unstable composition and powder quality in aluminum alloy atomization powder production, increasing production efficiency by more than 30%.
[0046] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A high-energy, high-speed plasma atomization multi-filament device, characterized in that, include: Multiple wire feeding mechanisms are used to synchronously and at the same speed convey three or more sets of low melting point alloy wires and to make the multiple sets of wires converge at the same convergence point. A single plasma torch, wherein the outlet of the plasma torch is located 2-5 mm directly above the junction of the filaments, and the ignition port of the plasma torch overlaps with the junction of the filaments in the vertical direction; An inclined plate integrated ultrasonic rotating disk is located directly below the junction of the wires. The disk surface of the inclined plate integrated ultrasonic rotating disk is inclined at 3-5°. An ultrasonic vibrator is provided at the bottom of the inclined plate integrated ultrasonic rotating disk. The ultrasonic vibrator is connected to the inclined plate integrated ultrasonic rotating disk through a stainless steel conduit to transmit ultrasonic waves. The overall shape of the device casing is that of an extraction bottle.
2. The high-energy, high-speed plasma atomizing multi-filament device according to claim 1, characterized in that, The diameter of the low-melting-point alloy wire is 3-6 mm.
3. The high-energy, high-speed plasma atomizing multi-filament device according to claim 1, characterized in that, The number of filament groups conveyed by the multiple filament feeding mechanisms is 3-5 groups.
4. The high-energy, high-speed plasma atomizing multi-filament device according to claim 1, characterized in that, The multiple sets of the filament feeding mechanisms include servo motors and straightening wheels connected to the servo motors. The servo motors drive the straightening wheels to rotate so as to achieve synchronous and same-speed feeding of the filaments.
5. The high-energy, high-speed plasma atomizing multi-filament device according to claim 1, characterized in that, The ultrasonic vibrator is fixedly installed at the bottom center of the inclined plate integrated ultrasonic rotating disk.
6. The high-energy, high-speed plasma atomizing multi-filament device according to claim 1, characterized in that, The inclined plate integrated ultrasonic rotary disk is made of high-temperature resistant metal material.
7. The high-energy, high-speed plasma atomizing multi-filament device according to claim 1, characterized in that, The extraction bottle-shaped device housing forms a cavity inside, providing space for the breakup and cooling of the molten metal droplets.