CN204770679U - Make spherical fine metal powder's rotatory ultrasonic atomization device - Google Patents
Make spherical fine metal powder's rotatory ultrasonic atomization device Download PDFInfo
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- CN204770679U CN204770679U CN201520502264.7U CN201520502264U CN204770679U CN 204770679 U CN204770679 U CN 204770679U CN 201520502264 U CN201520502264 U CN 201520502264U CN 204770679 U CN204770679 U CN 204770679U
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Abstract
The utility model discloses follow the fluent material and begin to make spherical fine metal powder, especially relate to make spherical fine metal powder's rotatory ultrasonic atomization device, include rotational vibration disc, clamping head, ultrasonic power supply generator, electromagnetism resonance emission unit, electromagnetism resonance receiving element, be used for driving rotational vibration disc ultrasonic vibration's piezoceramics group and be used for driving the rotational vibration disc electric motor rotor of rotation at a high speed, the rotational vibration disc passes through the clamping head with electric motor rotor and is connected, the last piezoceramics group that installs of electric motor rotor, the ultrasonic power supply generator is connected with electromagnetism resonance emission unit, and electromagnetism resonance emission unit resonates with the electromagnetism, and receiving element is wireless to be linked, electromagnetism resonance receiving element and piezoceramics group link. Such connection structure for high -speed rotation and ultrasonic vibration go on simultaneously, obtain the metal powder particle diameter and can all be less than 20 mu m, be applicable to the large -scale production, and the real circularity of product is high, the oxygen content is low.
Description
[technical field]
The utility model relates to manufacture metal dust or its suspension, particularly relates to and make spherical refining metallic powder from fluent material, particularly relate to the rotary ultrasonic atomising device manufacturing spherical refining metallic powder.
[background technology]
The spherical refining metallic powder manufacturing process of prior art comprises, aerosolization method, centrifugal atomization and supersonic vibration atomization method.It typically manufactures in the ultrasonic atomizing device of spherical refining metallic powder to have and uses rotary-atomizing dish structure to be atomized, and the diameter of this atomizing disk is 30 ~ 100mm.Under the ultrasonic vibration piezoelectric ceramic piece of 30 ~ 40kHz drives, the metal melting liquid atomized flow amount of 30 ~ 100kg/h can be obtained with the rotary speed of 0 ~ 1000rpm.But because Under Ultrasonic Vibration Moving plate is large and velocity of rotation slow, liquid cannot obtain sufficient filming, and ultrasonic vibration can only occur at the edge of this vibrating disk, therefore also cannot obtain the powder being less than 20 μm, and powder dispersion degree is also wider.The ultrasonic atomizing device that prior art manufactures spherical refining metallic powder also has the ultrasonic atomizatio head using column moulding, and ultrasonic vibration frequency is 45kHz, and metal melting flow quantity is 10 ~ 40kg/h, and obviously its metal melting flow quantity is too little, and yields poorly.
The subject matter that the spherical refining metallic powder manufacturing process of prior art exists is, cannot the in a large number production granularity spherical refining metallic powder, the particularly powder of 5 ~ 15 μm that are less than 20 μm.The spherical out of roundness of spherical refining metallic powder that prior art is produced is high, oxygen content is low, but the restriction of vibrated frequency, atomization flow is low and size distribution is wide.
[utility model content]
The technical problems to be solved in the utility model is that the granularity of the spherical refining metallic powder avoiding prior art atomising device to obtain is little not also even not, and the weak point yielded poorly and provide a kind of can the rotary ultrasonic atomising device of the little and uniform spherical refining metallic powder of in a large number production granularity.
The technical scheme that the utility model solve the technical problem employing is: a kind of rotary ultrasonic atomising device manufacturing spherical refining metallic powder, comprise whirling vibration disk, clamping head, ultrasonic power generator, electromagentic resonance transmitter unit, electromagentic resonance receiving element, for driving the piezoelectric ceramics group of whirling vibration disk ultrasonic vibration and for driving the rotor of whirling vibration disk High Rotation Speed; Described whirling vibration disk is connected by clamping head with rotor; Described rotor is provided with piezoelectric ceramics group; Ultrasonic power generator is connected with electromagentic resonance transmitter unit, electromagentic resonance transmitter unit and electromagentic resonance receiving element wireless link; Electromagentic resonance receiving element is connected with piezoelectric ceramics group.Such syndeton, makes High Rotation Speed and ultrasonic vibration carry out simultaneously, and obtaining metal dust particle diameter can all be less than 20 μm; Be applicable to large-scale production, and product out of roundness is high, oxygen content is low.Described whirling vibration disk material is heat resisting steel or titanium alloy.The surface characteristic of the material of high-quality, the uniformity of the uniformity coefficient and shape that can improve particle reduces the probability of powder particle abnormity.
Described whirling vibration disk diameter is 10 to 60mm, and thickness is at 0.5 to 1.5mm.Large whirling vibration disk can increase the liquid film surface area that surface tension of liquid is formed, increase yield.
Described whirling vibration disk is plate shaped whirling vibration disk, and the region of its dull and stereotyped upper surface generation ultrasonic vibration is the first annular ultrasonic vibration district.Described whirling vibration disk is turbination whirling vibration disk, and the region of its conical inner surface generation ultrasonic vibration is the second ring-shaped ultrasonic vibrating area.The turbination structure of described whirling vibration disk, the cone angle of its circular cone is between 120 degree to 170 degree.
By rotary brush or rotary conducting ring through-put power ultrasonic electric signal between described piezoelectric ceramics group and ultrasonic power generator.
Described clamping head is spiral clamping head or pneumatic type clamping head.Described clamping head is connected with piezoelectric ceramics group by ultrasonic transformer.
The beneficial effects of the utility model are compared to existing technology: the advantage combining rotating centrifugal atomization and ultrasonic atomizatio, the metal liquid stream of molten condition is on the discoid or coniform ultrasonic vibration head of High Rotation Speed, be dispersed into micron-sized fluid film under the influence of centrifugal force, when liquid enters ultrasonic vibration part under the influence of centrifugal force, i.e. whirling vibration disk outer ring or cone outer ring, namely the first annular ultrasonic vibration district or the second ring-shaped ultrasonic vibrating area; Under the effect of ultrasonic tensile wave, be atomized into the spherical refining metallic powder of required size, metal dust particle diameter can all be less than 20 μm; Be applicable to large-scale production, and product out of roundness is high, oxygen content is low.
[accompanying drawing explanation]
Fig. 1 is a kind of structure and working principle schematic diagram of spherical refining metallic powder rotary ultrasonic atomising device; Label 1 is whirling vibration disk, 2 be clamping head, 3 be ultrasonic transformer, 4 be piezoelectric ceramics group, 5 be high-speed electric expreess locomotive shell, 6 be electromagentic resonance receiving unit, 7 be electromagentic resonance transmitter unit, 8 be rotor, 9 be high-speed electric expreess locomotive stator, 10 be high-speed electric expreess locomotive rear end bearing group, 11 be high-speed electric expreess locomotive rear end cap, 12 be ultrasonic power generator, 13 are metal molten stoves for high-speed electric expreess locomotive front end bearing group, 14 are refining metallic powders, 15 is metal melting liquid, 16;
Fig. 2 is one of rotary ultrasonic atomizing disk schematic shapes, and wherein label 17 is plate shaped whirling vibration disks;
Fig. 3 is the top view of Fig. 2, and wherein label 18 is ultrasonic vibrating annular part i.e. first annular ultrasonic vibration districts that plate shaped whirling vibration disk presents on top view;
Fig. 4 is rotary ultrasonic atomizing disk schematic shapes two, and wherein label 19 is turbination whirling vibration disks;
Fig. 5 is the top view of Fig. 4, and wherein label 20 is ultrasonic vibrating annular part i.e. second ring-shaped ultrasonic vibrating areas that turbination disk presents on top view, and number in the figure α is the number of degrees of inverted cone drift angle.
[detailed description of the invention]
Below in conjunction with each accompanying drawing, the utility model will be further described.
In specific embodiment as shown in Figure 1, whirling vibration disk 1 is clamped in clamping head 2, and clamping head 2 is connected on ultrasonic transformer 3.Ultrasonic transformer 3 is connected with piezoelectric ceramics group 4, and under the driving of high-speed electric expreess locomotive stator 9 together with high speed rotor of motor 8, electromagentic resonance receiving element 6, can do High Rotation Speed under high-speed electric expreess locomotive front and back end bearing group 13,10 supports.
Electromagentic resonance transmitter unit 7 is fixed on high-speed electric expreess locomotive shell 5, the power ultrasonic signal of telecommunication sent by ultrasonic power generator 12 excites electromagentic resonance receiving element 6 to resonate by electromagentic resonance transmitter unit 7, electromagentic resonance receiving element 6 excites piezoelectric ceramics group 4 to produce ultrasonic vibration, is transferred to whirling vibration disk 1 by ultrasonic transformer 3, spiral clamping head 2.
High-speed electric expreess locomotive rear end cap 11 is fixed on motor housing 5 by screw thread; There is aperture that metal melting liquid 15 is quantitatively flowed out bottom metal molten stove 16; Flow to the whirling vibration disk 1 of High Rotation Speed through metal molten stove 16 pod apertures through the metal melting liquid 15 of metal molten stove 16 refining.Under the influence of centrifugal force, be flowing on whirling vibration disk 1 and be launched into thin metal liquid film, and form fine mist under the ultrasonic vibration effect of 20 ~ 40kHz, quick cooled and solidified becomes refining metallic powder 14, and particle diameter is 2 ~ 50 μm.The rotary speed of regulates liquid flow, whirling vibration disk 1 and supersonic frequency, can obtain the refining metallic powder 14 of different-grain diameter size and distribution.Above-mentioned atomized drop also can form spherical refining metallic powder 14 in nitrogen atmosphere.
In the rotary ultrasonic atomising device of the spherical refining metallic powder of described manufacture, whirling vibration disk 1 is under the effect of the rotor 8 of piezoelectric ceramics group 4 and High Rotation Speed, can carry out High Rotation Speed and ultrasonic vibration, obtaining metal dust particle diameter can all be less than 20 μm simultaneously; Be applicable to large-scale production, and product out of roundness is high, oxygen content is low.
Described whirling vibration disk 1 diameter is 10 to 60mm, and thickness is at 0.5 to 1.5mm.Large whirling vibration disk can increase the liquid film surface area that surface tension of liquid is formed, increase yield.The diameter of certain whirling vibration disk 1 also can be 10 to 30mm or 40 to 50mm.
Described whirling vibration disk 1 material is heat resisting steel or titanium alloy.The surface characteristic of the material of high-quality, the uniformity of the uniformity coefficient and shape that can improve particle reduces the probability of powder particle abnormity.
Described whirling vibration disk 1 is plate shaped whirling vibration disk 17, and the first annular ultrasonic vibration region 18 of its dull and stereotyped upper surface is the region that ultrasound resonance occurs.Described whirling vibration disk 1 is turbination whirling vibration disk 19, and the second ring-shaped ultrasonic vibration area 20 of its conical inner surface is the region that ultrasound resonance occurs.The turbination whirling vibration disk 17 of described whirling vibration disk 1, the cone angle of its circular cone is between 120 degree to 170 degree.
By rotary brush or rotary conducting ring through-put power ultrasonic electric signal between described piezoelectric ceramics group 4 and ultrasonic power generator 12.The power ultrasonic signal of telecommunication of piezoelectric ceramics group is obtained by brush, conducting slip ring or non-contact type electromagentic resonance transmitter unit and receiving unit.Electromagentic resonance transmitter unit and receiving unit is particularly used to enable the high rotating speed that motor can be made to reach 20, more than 000rpm.
The high speed rotor of motor rotated for driving ultrasonic vibration head is provided with the piezoelectric ceramics group driving whirling vibration disk to do ultrasonic vibration.The power ultrasonic signal of telecommunication of this piezoelectric ceramics group is obtained by brush, conducting slip ring or non-contact type electromagentic resonance transmitter unit and receiving unit.Ultrasonic electric magnetic resonance transmitter unit is fixed on high-speed electric expreess locomotive shell, and ultrasonic electric magnetic resonance receiving unit is fixed on rotor.Electromagentic resonance transmitter unit and receiving unit can make motor reach the high rotating speed of 20, more than 000rpm after enabling.High rotating speed makes atomizing particle little and evenly, also improves output simultaneously, and the fine metal powder size that this device manufactures is little, the interior powder yield rate of given size distribution is high, the spherical out of roundness of powder is high and surfacing is bright and clean.
In a specific embodiment, preparation Sn63Pb37 alloy 10 ㎏, be placed in fusing in metal molten stove 16, control metal melting liquid 15 to flow out with the flow of 60kg/h from metal molten stove 16 small hole at bottom part, fall whirling vibration disk 1, the power ultrasonic signal of telecommunication sent by ultrasonic power generator 12 is 30kHz, electromagentic resonance receiving unit 6 is reached through electromagentic resonance transmitter unit 7, make piezoelectric ceramics group 4 produce ultrasonic wave vibration, amplify amplitude by ultrasonic transformer 3 and pass on whirling vibration disk 1.The disk of whirling vibration simultaneously 1 makes high-speed rotation, rotating speed 10,000rpm under high-speed electric expreess locomotive stator 9 drives together with rotor 8, electromagentic resonance receiving unit 6, piezoelectric ceramics group 4, ultrasonic transformer 3, spiral clamping head 2.Device can atomized and minute spherical refining metallic powder 9.8 ㎏ of cooling thus, obtains granularity at powder 8 ㎏ of 5 ~ 15 μm after screening.Analyze finished product powder diameter with laser particle analyzer and have D50=15 μm of D10=10 μm of D90=20 μm respectively, known with scanning electron microscope analysis, powder sphericity more than 98.5%, without needle-like, the special-shaped powder of scoriform.Analyze with nitrogen oxygen analyzer, oxygen content in power 160ppm.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in the utility model scope of patent protection.
Claims (8)
1. manufacture a rotary ultrasonic atomising device for spherical refining metallic powder, it is characterized in that:
Comprise whirling vibration disk (1) that material is heat resisting steel or titanium alloy, clamping head (2), ultrasonic power generator (12), electromagentic resonance transmitter unit (7), electromagentic resonance receiving element (6), for driving the piezoelectric ceramics group (4) of whirling vibration disk (1) ultrasonic vibration and for driving the rotor (8) of whirling vibration disk (1) High Rotation Speed;
Described whirling vibration disk (1) is connected by clamping head (2) with rotor (8);
The shaft extension of described rotor (8) is provided with piezoelectric ceramics group (4); Ultrasonic power generator (12) is connected with electromagentic resonance transmitter unit (7), electromagentic resonance transmitter unit (7) and electromagentic resonance receiving element (6) wireless link; Electromagentic resonance receiving element (6) is connected with piezoelectric ceramics group (4);
By electromagentic resonance receiving element (6) and electromagentic resonance transmitter unit (7) through-put power ultrasonic electric signal between described piezoelectric ceramics group (4) and ultrasonic power generator (12).
2. manufacture according to claim 1 spherical refining metallic powder rotary ultrasonic atomising device, is characterized in that: described whirling vibration disk (1) diameter is 10 to 60mm, and thickness is at 0.5 to 1.5mm.
3. manufacture according to claim 1 spherical refining metallic powder rotary ultrasonic atomising device, it is characterized in that: described whirling vibration disk (1) is plate shaped whirling vibration disk (17), the region of its dull and stereotyped upper surface generation ultrasonic vibration is the first annular ultrasonic vibration district (18).
4. manufacture according to claim 1 spherical refining metallic powder rotary ultrasonic atomising device, it is characterized in that: described whirling vibration disk (1) is turbination whirling vibration disk (19), the region of its conical inner surface generation ultrasonic vibration is the second ring-shaped ultrasonic vibrating area (20).
5. manufacture according to claim 4 spherical refining metallic powder rotary ultrasonic atomising device, it is characterized in that: the turbination whirling vibration disk (19) of described whirling vibration disk (1), the cone angle of its circular cone is between 120 degree to 170 degree.
6. manufacture according to claim 1 spherical refining metallic powder rotary ultrasonic atomising device, is characterized in that: described clamping head (2) is spiral clamping head or pneumatic type clamping head.
7. manufacture according to claim 1 spherical refining metallic powder rotary ultrasonic atomising device, is characterized in that: by rotary brush or rotary conducting ring through-put power ultrasonic electric signal between described piezoelectric ceramics group (4) and ultrasonic power generator (12).
8. manufacture according to claim 1 spherical refining metallic powder rotary ultrasonic atomising device, is characterized in that: described clamping head (2) is connected with piezoelectric ceramics group (4) by ultrasonic transformer (3).
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| CN105562699A (en) * | 2016-03-02 | 2016-05-11 | 沈倩友 | High-precision micro-fine metal sphere forming machine |
| CN105728738A (en) * | 2016-03-21 | 2016-07-06 | 孙颖 | Mechanical centrifugal atomization device with stepless speed change function |
| CN107807026A (en) * | 2017-10-11 | 2018-03-16 | 北京理工大学 | A kind of drop atomization test device and method |
| CN109317687A (en) * | 2018-10-30 | 2019-02-12 | 湖南天际智慧材料科技有限公司 | A kind of ultrasonic activation spray chamber and the powder by atomization equipment being made from it |
| CN109622982A (en) * | 2018-12-30 | 2019-04-16 | 北京康普锡威科技有限公司 | The preparation facilities and preparation method of metal powder |
| CN110539001A (en) * | 2019-08-29 | 2019-12-06 | 北京康普锡威科技有限公司 | Connecting rod, self-cooling centrifugal rotary disc atomization powder making device and atomization powder making method |
| CN110666183A (en) * | 2019-11-19 | 2020-01-10 | 衡东县金源铝银粉有限公司 | Atomizing chamber for preparing firework aluminum powder |
| CN111331145A (en) * | 2020-04-28 | 2020-06-26 | 西普曼增材科技(北京)有限公司 | Device and method for preparing metal powder by ultrasonic |
| CN113059171A (en) * | 2021-03-18 | 2021-07-02 | 中国科学院力学研究所 | Cooling rotary disc for high-temperature metal centrifugal atomization powder making |
| CN113059170A (en) * | 2021-03-18 | 2021-07-02 | 中国科学院力学研究所 | Rotary table device for preparing small-particle-size powder in metal centrifugal atomization |
| CN113118448A (en) * | 2021-04-12 | 2021-07-16 | 杭州泛索能超声科技有限公司 | Novel rotatory supersound metal powder process equipment |
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| CN113477930A (en) * | 2021-07-28 | 2021-10-08 | 合肥科晶材料技术有限公司 | Granulating method and equipment for high-temperature atomized metal alloy |
| CN115815610A (en) * | 2022-12-29 | 2023-03-21 | 江苏威拉里新材料科技有限公司 | Metal powder ultrasonic atomization equipment |
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- 2015-07-13 CN CN201520502264.7U patent/CN204770679U/en active Active
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| CN105562699A (en) * | 2016-03-02 | 2016-05-11 | 沈倩友 | High-precision micro-fine metal sphere forming machine |
| CN105728738A (en) * | 2016-03-21 | 2016-07-06 | 孙颖 | Mechanical centrifugal atomization device with stepless speed change function |
| CN105728738B (en) * | 2016-03-21 | 2018-03-06 | 孙颖 | Electrodeless variable-speed machinery centrifugal atomization apparatus |
| CN107807026A (en) * | 2017-10-11 | 2018-03-16 | 北京理工大学 | A kind of drop atomization test device and method |
| CN109317687A (en) * | 2018-10-30 | 2019-02-12 | 湖南天际智慧材料科技有限公司 | A kind of ultrasonic activation spray chamber and the powder by atomization equipment being made from it |
| CN109317687B (en) * | 2018-10-30 | 2024-06-14 | 湖南天际智慧材料科技有限公司 | Ultrasonic vibration atomizing chamber and atomizing powder making equipment composed of same |
| CN109622982A (en) * | 2018-12-30 | 2019-04-16 | 北京康普锡威科技有限公司 | The preparation facilities and preparation method of metal powder |
| CN110539001B (en) * | 2019-08-29 | 2022-12-30 | 有研增材技术有限公司 | Connecting rod, self-cooling centrifugal rotary disc atomization powder making device and atomization powder making method |
| CN110539001A (en) * | 2019-08-29 | 2019-12-06 | 北京康普锡威科技有限公司 | Connecting rod, self-cooling centrifugal rotary disc atomization powder making device and atomization powder making method |
| CN110666183A (en) * | 2019-11-19 | 2020-01-10 | 衡东县金源铝银粉有限公司 | Atomizing chamber for preparing firework aluminum powder |
| CN111331145A (en) * | 2020-04-28 | 2020-06-26 | 西普曼增材科技(北京)有限公司 | Device and method for preparing metal powder by ultrasonic |
| TWI736438B (en) * | 2020-10-05 | 2021-08-11 | 荷倈生醫股份有限公司 | Cover |
| CN113059170A (en) * | 2021-03-18 | 2021-07-02 | 中国科学院力学研究所 | Rotary table device for preparing small-particle-size powder in metal centrifugal atomization |
| CN113059171A (en) * | 2021-03-18 | 2021-07-02 | 中国科学院力学研究所 | Cooling rotary disc for high-temperature metal centrifugal atomization powder making |
| CN113118448A (en) * | 2021-04-12 | 2021-07-16 | 杭州泛索能超声科技有限公司 | Novel rotatory supersound metal powder process equipment |
| CN113477930A (en) * | 2021-07-28 | 2021-10-08 | 合肥科晶材料技术有限公司 | Granulating method and equipment for high-temperature atomized metal alloy |
| CN115815610A (en) * | 2022-12-29 | 2023-03-21 | 江苏威拉里新材料科技有限公司 | Metal powder ultrasonic atomization equipment |
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