CN103008672A - Method and device for efficiently preparing uniform spherical micro-particle through pulse small-hole multi-vibrating-rod injection process - Google Patents
Method and device for efficiently preparing uniform spherical micro-particle through pulse small-hole multi-vibrating-rod injection process Download PDFInfo
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Abstract
The invention relates to a method and a device for efficiently preparing uniform spherical micro-particles through a pulse small-hole multi-vibrating-rod injection process, belonging to the technical field of spherical micro-particle preparation. The method is characterized in that under the condition that inert gas Ar is fed to produce backpressure, heaters are used for heating metal materials in a plurality of melting baths in a crucible to a molten state, then certain pulse signals are input into piezoelectric ceramic to enable a transmission rod to produce a longitudinal micro displacement, the transmission rod acts on molten metal, a certain quantity of micro liquid is enabled to be sprayed out from small holes at the bottoms of the melting baths to form liquid drops, the dimension data of the liquid drops is analyzed in real time through an image pickup system in combination with computer software, parameters are adjusted to be optimal, and finally the liquid drops are solidified without using a container to form uniform spherical metal particles. The method and the device for efficiently preparing uniform spherical micro-particles through the pulse small-hole multi-vibrating-rod injection process have the beneficial effects that the uniform spherical particles with different sizes can be efficiently prepared at the same time, the heat history of the particles is consistent, the sphericity is good, the size is controllable, the production efficiency is greatly improved and the production is saved.
Description
Technical field
The invention belongs to the technical field of spherical particle preparation, particularly a kind of method and device that utilizes many vibrating arms of pulse aperture gunite efficiently to prepare homogeneous spherical particle.
Background technology
The size of uniform-spherical micro-size particles between the millimeter, is a kind of special spherical powder particle between nanometer.The upper limit of containing rice processing under this particulate, on hold the lower limit of machining, no matter be size be connected and performance requirement aspect, or in clean shaping and little processing and manufacturing field, its status that can not be substituted and effect is arranged.By solidifying without the container landing or solidifying the particulate that drop can obtain required out of roundness and particle diameter by methods such as cooling fluid quenchings, and can be applied to special occasions, such as spherical solar cells (silicon particle), BGA Electronic Packaging (Pb-free solder ball particle, copper-Xi nucleocapsid structure particle), spherical shaped semiconductor integrated circuit (silicon, germanium particle), chemical catalysis field (activated carbon particles, nickel-base alloy particle), living body Material Field (ASTM F75 particle, β-TCP particle), pen ball of ball pen (ZrO
2Ceramic microsphere), high temperature nuclear reactor element (UO
2Ceramic particle) etc., these particulates not only require out of roundness high, and particle diameter is even, particle diameter is controlled, further also require the hot resume of preparation process consistent, and then microstructure is consistent, thereby satisfies the harsh requirement such as modern manufacturing industry precise treatment, microminiaturization and reproducibility;
The method of production spherical metal particle has atomization, chopping or punching remelting process, the homogeneous drop method of forming etc. both at home and abroad at present.It is wider that atomization prepares the decentralization of tin ball, must be by repeatedly sieving and detect the particle that just can obtain satisfying instructions for use; Chopping or punching remelting process are relatively more difficult for the bad material of plastic working, the tin ball that makes must be carried out ungrease treatment in addition; The homogeneous drop method of forming in process of production metal jet easily is subject to the impact of environment, and the metallic particles that causes producing exists certain particle diameter to distribute, and can't adjust in real time and control in process of production.
Summary of the invention
The purpose of this invention is to provide the device that a kind of many vibrating arms of pulse aperture gunite efficiently prepares homogeneous spherical particle, this device increases molten bath quantity on the basis of existing pulse small hole injection method, by the potsherd with different pore size is installed, so that under the driving of same piezoelectric ceramics, the different homogeneous spherical metal particle of production in enormous quantities particle diameter simultaneously; Many vibrating arms of pulse aperture gunite of the present invention efficiently prepares the method for homogeneous spherical particle, under the condition that passes into inert gas Ar gas, utilize heater heating crucible to its interior metal to become molten condition, piezoelectric ceramics is applied certain pulse signal, make it drive driving rod and produce a vertical micro-displacement, this displacement acts on the metal bath of crucible bottom, and fine droplet is penetrated from the crucible bottom aperture, drop in the decline process without the spherical metal particle that is frozen into homogeneous of container; Solved that existing technology of preparing particle diameter heterogeneity, production efficiency are low, the uncontrollable deficiency of particle diameter.
Technical solution of the present invention is the device that a kind of many vibrating arms of pulse aperture gunite efficiently prepares homogeneous spherical particle, and this device is arranged in vacuum cavity 3, and vacuum cavity 3 comprises vacuum chamber 17, vavuum pump at different levels and external control system; Vacuum chamber 17 tops are fixed with the ejection electrodes assembly, and the bottom is comprised of collection unit 11, are that particle forms and observation section between the two, and the three is fixed together by support; Described injection section mainly contains drive system, crucible 15 and heater 4 and forms; Drive system mainly comprises piezoelectric ceramics 1 and driving rod 14; There is 4-10 the molten bath 5 that size is identical crucible 15 inside, and 5 bottoms, molten bath are put band aperture 8 potsherds 7 that link to each other with vacuum chamber 17 are housed; Piezoelectric ceramics 1 is positioned at vacuum cavity 3 outsides, is connected with driving rod 14, and driving rod 14 bottoms are positioned at potsherd 7 tops; The external stability having heaters 4 of crucible 15, the top of crucible 15 is connected to breather pipe 2, and purpose is to provide differential pressure for crucible 15; Vacuum cavity 3 sidewalls have observation window 18, and ccd video camera 19 is installed, and ccd video camera 19 links to each other with computer; Collection unit 11 is comprised of accumulator tank 22 and supporter 23, and collection unit 11 is used for the different spherical metal particle 10 of collection cut size over against potsherd 7 apertures 8;
Described device crucible 15 is comprised of 4-10 the identical molten bath 5 of size, and the potsherd 7 of different pore size is installed in 5 bottoms in the molten bath, and its pore diameter range is between 0.020-1.500mm;
This device crucible 15 is built-in with the thermocouple 9 that links to each other with temperature regulating device, and the heater 4 of crucible links to each other with temperature regulating device;
The vibration frequency of this device piezoelectric ceramics 1 is between 1Hz-2kHz.
A kind of many vibrating arms of pulse aperture gunite efficiently prepares the method for homogeneous spherical particle, its technical scheme is that the potsherd 7 with different pore size is fixed in crucible 15 bottoms, adjust simultaneously the diameter of driving rod 14 in each crucible 15, under the condition that passes into inert gas Ar gas, utilize heater 4 heating crucibles 5 to its interior metal to become molten condition, piezoelectric ceramics 1 is applied certain pulse signal, make it drive driving rod 14 and produce a vertical micro-displacement, this displacement acts on the melt metal 16 of crucible 15 bottoms, fine droplet is penetrated from crucible 15 small hole at bottom parts 8, drop in the decline process without the spherical metal particle 10 that is frozen into homogeneous of container, piezoelectric ceramics 1 every motion once each micropore place can form a drop, and its step is as follows:
(1) charging will be fixed in the potsherd 7 of different pore size crucible 15 bottoms, add the metal material that needs preparation and sealing in crucible 15;
(2) washing vacuum cavity 3 utilizes 13 pairs of crucibles of mechanical pump 12 and diffusion pump and vacuum chamber 17 to vacuumize, and is filled with inert protective gas Ar, repeatedly carries out several times, makes at last vacuum cavity 3 internal pressures reach an atmospheric pressure;
(3) heating crucible 15, the metal material that utilizes heater 4 to melt in the crucible 15, and the temperature in the thermocouple 9 Real-Time Monitoring molten baths 5, metal material melts rear insulation 15-20 minute fully;
(4) apply differential pressure, in crucible 15, pass into inert gas by enterprising tracheae 2, utilize differential pressure control system to make and reach between crucible 15 and the vacuum chamber 17 and stablize differential pressure 0-50kPa;
(5) apply vibration, the pulse drive signal that edits is imposed on piezoelectric ceramics 1, make it produce micro-displacement, passed to the melt metal 16 of crucible 15 bottoms by driving rod 14, thereby so that fine droplet penetrates from aperture 8, the drop of ejaculation forms spherical metal particle 10 because gravity and capillary effect are solidified without container in dropping process;
(6) particle collection after injection is finished, is collected the different homogeneous spherical metal particle 10 of particle diameter in different collection unit 11.
Effect of the present invention and benefit are preparation method and the devices of the homogeneous spherical metal particle that provides, process controllability is strong, can control crucible temperature, the pressure differential of crucible and vacuum cavity, utilize image detecting system can carry out the adjusting of technological parameter, the molten drop that reduces to produce and the error of setting drop size, the spherical metal particle of acquisition uniform-dimension is enhanced productivity; By method and apparatus of the present invention, can efficiently prepare the big or small homogeneous of the different-grain diameter that meets the demands, the spherical metal particle that hot resume are consistent, the high particle diameter of sphericity is controlled simultaneously; Have the characteristics such as production efficiency is high, simple in structure, cost is low; Suitability for industrialized is produced.
Description of drawings
Accompanying drawing 1 is the device schematic diagram that many vibrating arms of pulse aperture gunite efficiently prepares homogeneous spherical particle.
Accompanying drawing 2 is the A-A cutaway views in the accompanying drawing 1.
Among the figure: 1 piezoelectric ceramics, breather pipe on 2,3 vacuum cavities, 4 heaters, 5 molten baths, 6 times breather pipes, 7 potsherds, 8 apertures, 9 thermocouples, 10 spherical metal particles, 11 collection units, 12 mechanical pumps, 13 diffusion pumps, 14 driving rods, 15 crucibles, 16 melt metals, 17 vacuum chambers, 18 observation windows, 19 ccd video cameras, 20 metallics that tentatively condense, 21 collection unit side doors, 22 accumulator tanks, 23 supporters.
The specific embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with technical scheme and accompanying drawing.
The technical solution used in the present invention is that the potsherd 7 with different pore size is fixed in crucible 15 bottoms, adjust simultaneously the diameter of driving rod 14 in each crucible 15, under the condition that passes into inert gas Ar gas, utilize heater 4 heating crucibles 15 to its interior metal to become molten condition, piezoelectric ceramics 1 is applied certain pulse signal, make it drive driving rod 14 and produce a vertical micro-displacement, this displacement acts on the melt metal 16 of crucible 15 bottoms, thereby fine droplet is penetrated from crucible 15 small hole at bottom parts 8, drop in the decline process without the spherical metal particle 10 that is frozen into homogeneous of container.
Embodiment:
The specific embodiment for preparing in batches Sn-0.3Ag-0.7CuBGA encapsulation ball:
(1) the Sn-0.3Ag-0.7Cu wire scissors is cut into isometric metal bar, carries out putting into crucible 15 after the ultrasonic vibration, select according to demand the pore size of potsherd 7; The amount of putting into of Sn-0.3Ag-0.7Cu metal bar reaches 3/4 of molten bath 5, as shown in Figure 1;
(2) with mechanical pump 12 injection section crucible 15, vacuum chamber 17 are extracted into below the low vacuum 5Pa, recycling diffusion pump 13 is extracted into high vacuum 0.001Pa with injection section crucible 15, vacuum chamber 17; Breather pipe 2 and lower breather pipe 6 pass into inert gas Ar gas in the utilization, make the pressure in injection section crucible 15, the vacuum chamber 17 reach 0.1MPa;
(3) power that heater 4 is set is that 400W, heating-up temperature are 260
oC, Closing Switch heating crucible 15 melts the metal material in the crucible, and temperature reaches 260
oInsulation is 20 minutes behind the C;
(4) utilize differential pressure control system, in crucible 15, pass into the inert gas argon gas by gas siphunculus 2, so that produce certain differential pressure with vacuum chamber 17; External pulse is driven signal impose on piezoelectric ceramics 1, under its incentive action, piezoelectric ceramics 1 produces downward micro-displacement, is passed to the metal bath of 5 bottoms, molten bath by driving rod 14, thereby so that the minute metallic melt passes through aperture 8 ejections on the crucible 15 bottom potsherds 7; The molten drop that penetrates falls into collection unit 11 at last owing to solidifying formation spherical metal particle 10 without container under gravity and the capillary effect in dropping process;
(5) the drop image adjustment vibration frequency captured according to ccd video camera 19, thus the symmetrical liquid drop of setting size produced;
(6) behind the due-in assembly bundle, close successively external pulse signal, heater 4, treat that temperature is down to room temperature, open the spherical metal particle 10 that collection unit side door 21 takes out in the collection units 11; At last, turn off breather pipe 2 and lower breather pipe 7, with mechanical pump 12 and diffusion pump 13 molten bath 5 and vacuum chamber 17 are extracted into below the low vacuum 5Pa, in order to make equipment when inactive, be in vacuum state.
Claims (2)
1. many vibrating arms of pulse aperture gunite efficiently prepares the sub-device of homogeneous spherical particle, it is characterized in that:
(a) this device is arranged in vacuum cavity (3), and vacuum cavity (3) comprises vacuum chamber (17), vavuum pump at different levels and external control system; Vacuum chamber (17) top is fixed with the ejection electrodes assembly, and the bottom is comprised of collection unit (11), is that particle forms and observation section between the two, and the three is fixed together by support; Described injection section mainly contains drive system, crucible (15) and heater (4) and forms; Drive system mainly comprises piezoelectric ceramics (1) and driving rod (14); There is 4-10 the molten bath (5) that size is identical crucible (15) inside, and molten bath (5) bottom is put band aperture (8) potsherd (7) that links to each other with vacuum chamber (17) is housed; Piezoelectric ceramics (1) is positioned at vacuum cavity (3) outside, is connected with driving rod (14), and driving rod (14) bottom is positioned at potsherd (7) top; The external stability having heaters (4) of crucible (15), the top of crucible (15) is connected to breather pipe (2), and purpose is to provide differential pressure for crucible (15); Vacuum cavity (3) sidewall has observation window (18), and ccd video camera (19) is installed, and ccd video camera (19) links to each other with computer; Collection unit (11) is comprised of accumulator tank (22) and supporter (23), and collection unit (11) is used for the different spherical metal particle (10) of collection cut size over against potsherd (7) aperture (8);
(b) described device crucible (15) is comprised of 4-10 the identical molten bath (5) of size, and the potsherd (7) of different pore size is installed in (5) bottom in the molten bath, and its pore diameter range is between 0.020-1.500mm;
(c) this device crucible (15) is built-in with the thermocouple (9) that links to each other with temperature regulating device, and the heater of crucible (4) links to each other with temperature regulating device;
(d) vibration frequency of this device piezoelectric ceramics (1) is between 1Hz-20kHz.
2. many vibrating arms of pulse aperture gunite efficiently prepares homogeneous spherical particle submethod, it is characterized in that:
To be fixed in the potsherd (7) of different pore size crucible (15) bottom, adjust simultaneously the diameter of driving rod (14) in each crucible (15), under the condition that passes into inert gas Ar gas, utilize heater (4) heating crucible (15) to its interior metal to become molten condition, piezoelectric ceramics (1) is applied certain pulse signal, make it drive driving rod (14) and produce a vertical micro-displacement, this displacement acts on the melt metal (16) of crucible (15) bottom, fine droplet is penetrated from crucible (15) small hole at bottom part (8), drop in the decline process without the spherical metal particle (10) that is frozen into homogeneous of container, the every motion of piezoelectric ceramics once each micropore place can form a drop, and its step is as follows:
(1) charging will be fixed in the potsherd (7) of different pore size crucible (15) bottom, add the metal material that needs preparation and sealing in crucible (15);
(2) washing vacuum cavity (3), utilize mechanical pump (12) and diffusion pump (13) that crucible and vacuum chamber (17) are vacuumized, and be filled with inert protective gas Ar, and repeatedly carry out, make at last vacuum cavity (3) internal pressure reach an atmospheric pressure;
(3) heating crucible (15) utilizes heater (4) to melt the interior metal material of crucible (15), the temperature in thermocouple (9) the Real-Time Monitoring molten bath (5), and metal material melts rear insulation 15-20 minute fully;
(4) apply differential pressure, in crucible (15), pass into inert gas by enterprising tracheae (2), utilize differential pressure control system to make and reach between crucible (15) and the vacuum chamber (17) and stablize differential pressure 0-50kPa;
(5) apply vibration, the pulse drive signal that edits is imposed on piezoelectric ceramics (1), make it produce micro-displacement, passed to the melt metal (16) of crucible (15) bottom by driving rod (14), thereby so that fine droplet penetrates from aperture (8), the drop of ejaculation forms spherical metal particle (10) because gravity and capillary effect are solidified without container in dropping process;
(6) particle collection after injection is finished, is collected the different homogeneous spherical metal particle (10) of particle diameter in different collection unit (11).
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729505A (en) * | 1980-06-27 | 1982-02-17 | Battelle Dev Corp | Preparation of solid particulate material |
| EP0467221A2 (en) * | 1990-07-17 | 1992-01-22 | Nukem GmbH | Process and apparatus for preparing spherical particles from a liquid phase |
| CN1422718A (en) * | 2001-12-04 | 2003-06-11 | 北京有色金属研究总院 | Method and apparatus for making globular metallic powder by ultrasonic atomising |
| CN1899732A (en) * | 2005-07-21 | 2007-01-24 | 北京有色金属研究总院 | Method and device for preparing precision welding ball |
| CN101279371A (en) * | 2007-12-28 | 2008-10-08 | 天津大学 | Method and device for preparing micro-uniform grain using harmonic method |
| CN101912973A (en) * | 2010-07-29 | 2010-12-15 | 大连理工大学 | Method and device for preparing uniform solidified particles by orifice injection |
-
2012
- 2012-12-14 CN CN201210540923.7A patent/CN103008672B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729505A (en) * | 1980-06-27 | 1982-02-17 | Battelle Dev Corp | Preparation of solid particulate material |
| EP0467221A2 (en) * | 1990-07-17 | 1992-01-22 | Nukem GmbH | Process and apparatus for preparing spherical particles from a liquid phase |
| CN1422718A (en) * | 2001-12-04 | 2003-06-11 | 北京有色金属研究总院 | Method and apparatus for making globular metallic powder by ultrasonic atomising |
| CN1899732A (en) * | 2005-07-21 | 2007-01-24 | 北京有色金属研究总院 | Method and device for preparing precision welding ball |
| CN101279371A (en) * | 2007-12-28 | 2008-10-08 | 天津大学 | Method and device for preparing micro-uniform grain using harmonic method |
| CN101912973A (en) * | 2010-07-29 | 2010-12-15 | 大连理工大学 | Method and device for preparing uniform solidified particles by orifice injection |
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| CN110025427A (en) * | 2019-04-15 | 2019-07-19 | 江苏师范大学 | Eye drip medicine device |
| CN109907880A (en) * | 2019-04-15 | 2019-06-21 | 江苏师范大学 | The eyedrop drip system of eyes treatment |
| CN110051466A (en) * | 2019-04-15 | 2019-07-26 | 江苏师范大学 | A kind of Tropfen system cured for ophthalmology |
| CN110051466B (en) * | 2019-04-15 | 2021-07-20 | 江苏师范大学 | A drip medicine system for ophthalmology is treated |
| CN110025427B (en) * | 2019-04-15 | 2021-07-20 | 江苏师范大学 | Eye drop device |
| CN113533616A (en) * | 2020-04-13 | 2021-10-22 | 香港理工大学深圳研究院 | Equipment for generating dripping flame and experimental method for researching ignition of dripping flame |
| CN112170831A (en) * | 2020-09-29 | 2021-01-05 | 广东先导稀材股份有限公司 | Metal needle or metal particle production equipment |
| CN113263181A (en) * | 2021-04-29 | 2021-08-17 | 大连理工大学 | Method for efficiently preparing spherical metal microparticles with uniform and controllable particle size and preparation device thereof |
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| CN103008672B (en) | 2015-08-19 |
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