CN103785834B - A kind of micro-molten drop injection apparatus of metal and method - Google Patents
A kind of micro-molten drop injection apparatus of metal and method Download PDFInfo
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- CN103785834B CN103785834B CN201410050270.3A CN201410050270A CN103785834B CN 103785834 B CN103785834 B CN 103785834B CN 201410050270 A CN201410050270 A CN 201410050270A CN 103785834 B CN103785834 B CN 103785834B
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Abstract
The invention discloses the micro-molten drop injection apparatus of a kind of metal and method; this device comprises drive signal waveform generating means virtual instrument, piezoelectric ceramic transducer, crucible, heating element heater and micropressure adjusting valve; also in the middle part of involving vibrations boom end, vibrating arm, the cylindrical vibrational boom end of heat insulation protection cover, removable conical surface transition, in the middle part of removable vibrating arm, the crucible heating base of the conical surface.Crucible bottom of the present invention and nozzle installation place coordinate with vibrating arm end, adopt little internal diameter, and in order to form the injection cavity volume of volume change, crucible top adopts large diameter, in order to store more motlten metals, makes level change in course of injection inviolent; Vibrating arm end adopts grading structure, during the motlten metal of corresponding different physical property, physical dimension that fine adjustment sprays is carried out to adapt to the melt of different physical property in vibrating arm end by changing different-diameter size, and the injection of the molten drop that realizes declining as required under the effect of on-demand drive singal produces.
Description
Technical field
The invention belongs to metal micro-molten drop jet printing technical field, relate to the micro-molten drop injection apparatus of a kind of metal and method.
Background technology
Metal micro-molten drop jet printing technology utilizes micro-molten drop injection apparatus to make the continuous microscopic, spherical molten drop line of the motlten metal in fusion crucible from nozzle spouting formation size uniform or single microscopic, spherical molten drop of on-demand, make and its deposition modeling for the generation of trace meter material, microballoon, have technique simple, be easy to control, low cost and other advantages, encapsulate the fields such as interconnected salient point printing have a extensive future at metal raw shaped piece rapid shaping, integrated circuit microelectronic.
The micro-molten drop injection apparatus of a kind of on-demand metal is had in prior art, its operation principle is: the cavity volume that vibrating arm end and nozzle and crucible are formed changes, when Piezoelectric Ceramic vibrating arm vibrates, micro melting metal is extruded away from nozzle forms micro-molten drop, by the gap size regulating vibrating arm diameter to regulate vibrating arm periphery and crucible to be formed, thus regulate the size of spraying the micro-molten drop generated to a certain extent.The cavity volume given volume that the method vibrating arm end and crucible and nozzle are formed, and vibrating arm end is stepped, when vibrating arm vibrates, the motlten metal squeezing out nozzle is easily taken back when upwards reclaiming by end, and the motlten metal larger to viscosity not easily produces micro-molten drop.Crucible internal diameter is little, and in course of injection, the liquid level of motlten metal changes greatly, high to the requirement of control pressurer system, and the little volume that causes of crucible internal diameter is little, needs often dismounting crucible to add metal material.This device can only produce micro-molten drop of on-demand in addition, and efficiency is low.
Summary of the invention
In order to overcome defect of the prior art, solve the problems of the technologies described above, the invention provides the micro-molten drop injection apparatus of a kind of metal and method, crucible inside adopts hierarchic structure, and crucible bottom and nozzle installation place coordinate with vibrating arm end, adopt little internal diameter, in order to form the injection cavity volume of volume change, crucible top adopts large diameter, in order to store more motlten metals, makes level change in course of injection inviolent; Vibrating arm end adopts grading structure, during the motlten metal of corresponding different physical property, physical dimension that fine adjustment sprays is carried out to adapt to the melt of different physical property in vibrating arm end by changing different-diameter size, and the injection of the molten drop that realizes declining as required under the effect of on-demand drive singal produces.In addition, change the vibrating arm end of small-diameter sized and change the physical dimension regulating ejection electrodes in the middle part of vibrating arm, by regulating the pressure reduction of crucible and spray chamber, make melt composition jet, in the injection generation of the underlying molten drop line that can realize declining continuously of the effect of continous way vibration.
Its technical scheme is as follows:
The micro-molten drop injection apparatus of a kind of metal, comprise drive signal waveform generating means virtual instrument 20, piezoelectric ceramic transducer 2, crucible 11, heating element heater 13 and micropressure adjusting valve 8, also involving vibrations boom end 16, in the middle part of vibrating arm 10, heat insulation protection cover 15, the cylindrical vibrational boom end 16 of removable conical surface transition, in the middle part of removable vibrating arm 10, the crucible heating base 12 of the conical surface, the device support member 5 that the conical surface connects, the outside wall surface of crucible 11 matches with the conical inboard wall face of heated base 12, heating element heater 13 is tightly fixed on the external cylindrical surface of heated base 12, the temperature of heating is come accurately to control by temperature controller 14, the periphery of heating element heater 13 is wrapped up by insulated sheath 15, device support member 5 is made for heat-barrier material, centre is processed with radiation proof board 5a, device support member 5 be the conical surface between crucible 11 and device upper cover 4 and be connected, connecting portion has sealing gasket 23, piezoelectric ceramic transducer 2 is installed on device upper cover 4 axis place, be threaded connection mode by piezoelectric ceramics upper cover plate 1 and device upper cover 4 to compress, cooling water cavity 3 is provided with in device upper cover 4, by forced-convection heat transfer, piezoelectric ceramic transducer 2 is cooled, the drive singal of piezoelectric ceramic transducer 2 produces signal by virtual instrument 20, laggard row cutting is amplified by power amplifier 19, noble gas source 6 is by pressure-reducing valve 7 step-down, the micro-pressure-difference between crucible 11 and spray chamber 18 is controlled by micropressure adjusting valve 8, in the middle part of vibrating arm, 10 is cylindrical bar, two ends are processed with external screw thread, all screw thread pair is formed with the screwed hole of piezoelectric ceramic transducer 2 and vibrating arm end 16, make piezoelectric ceramic transducer 2, in the middle part of vibrating arm 10 and vibrating arm end 16 form vibrational system by being threaded, cylindrical hole is had in the screwed hole of piezoelectric ceramic transducer 2 and vibrating arm end 16, matched in clearance is formed with the cylinder of 10 male threaded end in the middle part of vibrating arm, vibrating arm end 16 is the variable diameters cylindrical bar of conical surface transition.Further preferably, the outside wall surface of described crucible 11 is the conical surface.
Further preferably, described heating element heater 13 is circular resistance heated circle.
Utilize metal of the present invention micro-molten drop injection apparatus to form a method for the micro-molten drop of metal, it is characterized in that, comprise the following steps:
1) in the middle part of crucible 11, vibrating arm 10, vibrating arm end 16 clears up, new nozzle 17 is installed, processes metal to be melted, remove impurity and surface scale;
2) metal bar material to be melted or particulate material are put into crucible 11, device is sealed, high purity inert gas is passed into crucible 11 and spray chamber 18, by original Air blowing, reduce the oxygen content of crucible 11 and spray chamber 18 inside;
3) heating element heater 13 is controlled by temperature controller 14, heated base 12 and crucible 11 are heated up, and the metal in fusion crucible 11, until metal molten and reach design temperature and insulation after, make crucible 11 inside produce micro-pressure-difference with spray chamber 18 by noble gas source 6, pressure-reducing valve 7 and micropressure adjusting valve 8, make motlten metal 25 be full of nozzle.
Further preferably, when needs produce and decline molten drop as required, utilize virtual instrument 20 to produce the signal of certain waveform, amplify rear drive piezoelectric ceramic transducer 2 by power amplifier 19, vibrating arm 16 is vibrated downwards along rod axis, cavity volume 21 volume is reduced, motlten metal is extruded nozzle 17, and when vibrating arm 16 upwards reclaims, the motlten metal 25 of ejection ruptures from nozzle, form micro-molten drop 24, the motlten metal simultaneously above vibrating arm end adds to cavity volume 21 downwards along annular space 22.
Further preferably, produce when declining molten drop as required, the motlten metal 25 of corresponding different physical property, in the middle part of the vibrating arm of replaceable different length 10, the vibrating arm end 16 of different-diameter changes the physical dimension of annular space 22 and cavity volume 21.
Further preferably, when needs produce and decline molten drop line continuously, use the vibrating arm end 16 of small diameter, by noble gas source 6, pressure-reducing valve 7 and micropressure adjusting valve 8 make crucible 11 inside produce pressure reduction with spray chamber 18, motlten metal 25 is sprayed by nozzle and forms cylindric jet, virtual instrument 20 is utilized to produce the sine-shaped continuous signal of corresponding frequencies, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, make vibrating arm end 16 of reciprocating vibration along rod axis, jet is broken under the effect of vibration forms a branch of size uniform, the even micro-molten drop line of equidistant metal.
Further preferably, when spray nozzle clogging causes micro-molten drop to eject needing nozzle clearing, the sine-shaped continuous signal utilizing virtual instrument 20 to produce frequency to be greater than 16KHz, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, high frequency large-amplitude vibration makes mentioned nozzle area motlten metal produce ultrasonic cavitation, micropressure adjusting valve 8 is regulated to make crucible 11 inside produce pressure reduction with spray chamber 18, the impurity of attachment near nozzle is cleared, realize the object of the nozzle of cleaning blocking, thus the problem of the course of injection unsteady phenomena reduced because spray nozzle clogging causes or replacing nozzle being dismounted for multiple times.
Beneficial effect of the present invention: when the present invention produces and declines molten drop as required, the motlten metal 25 of corresponding different physical property, in the middle part of the vibrating arm of replaceable different length 10, the vibrating arm end 16 of different-diameter changes the physical dimension of annular space 22 and cavity volume 21 to produce the micro-molten drop of metal.This device also can use the vibrating arm end 16 of small diameter, under the vibration of the sine-shaped continuous signal of corresponding frequencies, produces the even micro-molten drop line of metal to jet crushing.When spray nozzle clogging causes micro-molten drop to eject needing nozzle clearing, high frequency large-amplitude vibration is utilized to make mentioned nozzle area motlten metal 25 produce ultrasonic cavitation, the impurity of attachment near nozzle is cleared, realize the object of the nozzle of cleaning blocking, thus the problem of the course of injection unsteady phenomena reduced because spray nozzle clogging causes or replacing nozzle being dismounted for multiple times.
Accompanying drawing explanation
Fig. 1 is the structural representation of the micro-molten drop injection apparatus of metal of the present invention;
Fig. 2 is the schematic diagram that the micro-molten drop injection apparatus of metal shown in Fig. 1 forms on-demand metal drop process; Fig. 2 a is the schematic diagram that motlten metal is full of nozzle; Fig. 2 b is that motlten metal is by schematic diagram during vibrating arm extrusion nozzle; Fig. 2 c is the schematic diagram forming on-demand metal drop after vibrating arm reclaims;
Fig. 3 is the schematic diagram that the micro-molten drop injection apparatus of metal shown in Fig. 1 forms continous way metal drop line process, and wherein, Fig. 3 a is the schematic diagram that motlten metal is full of nozzle; Fig. 3 b is that motlten metal is by schematic diagram during pressure extrusion nozzle formation jet; Fig. 3 c is motlten metal jet broken schematic diagram forming continous way metal drop line under effect of vibration;
In figure, 1-piezoelectric ceramics upper cover plate, 2-piezoelectric ceramic transducer, 3-cooling water cavity, 4-device upper cover, 5-device support member, 6-noble gas source, 7-pressure-reducing valve, 8-micropressure adjusting valve, 9-supply air line, in the middle part of 10-vibrating arm, 11-crucible, 12-heated base, 13-heating element heater, 14-temperature controller, 15-insulated sheath, 16-vibrating arm end, 17-nozzle, 18-spray chamber, 19-power amplifier, 20-virtual instrument, 21-cavity volume, 22-annular space, 23-sealing gasket, the micro-molten drop of 24-metal, 25-motlten metal.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in more detail.
With reference to Fig. 1-Fig. 3, the micro-molten drop injection apparatus of a kind of metal, comprise drive signal waveform generating means virtual instrument 20, piezoelectric ceramic transducer 2, crucible 11, heating element heater 13 and micropressure adjusting valve 8, also involving vibrations boom end 16, in the middle part of vibrating arm 10, heat insulation protection cover 15, the crucible heating base 12 of the conical surface, the device support member 5 that the conical surface connects, the outside wall surface of crucible 11 is the conical surface, match with the conical inboard wall face of heated base 12, two contact surface close contacts can be kept after can ensureing crucible being dismounted for multiple times to ensure heat-transfer effect, heating element heater 13 is circular resistance heated circle, tightly be fixed on the external cylindrical surface of heated base 12, the temperature of heating is come accurately to control by temperature controller 14, the periphery of heating element heater 13 is wrapped up by insulated sheath 15, device support member 5 is made for heat-barrier material, centre is processed with radiation proof board 5a, device support member 5 be the conical surface between crucible 11 and device upper cover 4 and be connected and ensure axiality, it is airtight that connecting portion has sealing gasket 23 to ensure, piezoelectric ceramic transducer 2 is installed on device upper cover 4 axis place, be threaded connection mode by piezoelectric ceramics upper cover plate 1 and device upper cover 4 to compress, cooling water cavity 3 is provided with in device upper cover 4, by forced-convection heat transfer, piezoelectric ceramic transducer 2 is cooled, the drive singal of piezoelectric ceramic transducer 2 produces signal by virtual instrument 20, laggard row cutting is amplified by power amplifier 19, noble gas source 6 is by pressure-reducing valve 7 step-down, the micro-pressure-difference between crucible 11 and spray chamber 18 is controlled by micropressure adjusting valve 8, in the middle part of vibrating arm, 10 is cylindrical bar, two ends are processed with external screw thread, all screw thread pair is formed with the screwed hole of piezoelectric ceramic transducer 2 and vibrating arm end 16, make piezoelectric ceramic transducer 2, in the middle part of vibrating arm 10 and vibrating arm end 16 form vibrational system by being threaded, cylindrical hole is had in the screwed hole of piezoelectric ceramic transducer 2 and vibrating arm end 16, matched in clearance is formed with the cylinder of 10 male threaded end in the middle part of vibrating arm, in order to ensure piezoelectric ceramic transducer 2, 10 axialities be connected with vibrating arm end 16 in the middle part of vibrating arm, in the middle part of vibrating arm, 10 for being processed into the rod member of a series of length, in order to regulate the distance 21 of vibrating arm end 16 and crucible, vibrating arm end 16 is the variable diameters cylindrical bar of conical surface transition, be processed into the rod member that a series of outside diameter is different, in order to regulate course of injection backflow gap 22.
A kind of method utilizing metal of the present invention micro-molten drop injection apparatus to form the micro-molten drop of metal, comprise the following steps: in the middle part of crucible 11, vibrating arm 10, vibrating arm end 16 clears up, new nozzle 17 is installed, processes metal to be melted, remove impurity and surface scale.
Metal bar material to be melted or particulate material are put into crucible 11, device is sealed, high purity inert gas is passed into crucible 11 and spray chamber 18, by original Air blowing, reduce the oxygen content of crucible 11 and spray chamber 18 inside.
Heating element heater 13 is controlled by temperature controller 14, heated base 12 and crucible 11 are heated up, and the metal in fusion crucible 11, until metal molten and reach design temperature and insulation after, make crucible 11 inside produce micro-pressure-difference with spray chamber 18 by noble gas source 6, pressure-reducing valve 7 and micropressure adjusting valve 8, make motlten metal 25 be full of nozzle.
When needs produce and decline molten drop as required, virtual instrument 20 is utilized to produce the signal of certain waveform, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, vibrating arm 16 is vibrated downwards along rod axis, and cavity volume 21 volume is reduced, and motlten metal is extruded nozzle 17, when vibrating arm 16 upwards reclaims, the motlten metal 25 of ejection, from nozzle fracture, forms micro-molten drop 24, and the motlten metal simultaneously above vibrating arm end adds to downwards in cavity volume 21 along annular space 22.
Produce when declining molten drop as required, the motlten metal 25 of corresponding different physical property, in the middle part of the vibrating arm of replaceable different length 10, the vibrating arm end 16 of different-diameter changes the physical dimension of annular space 22 and cavity volume 21.
When needs produce and decline molten drop line continuously, use the vibrating arm end 16 of small diameter, by noble gas source 6, pressure-reducing valve 7 and micropressure adjusting valve 8 make crucible 11 inside produce pressure reduction with spray chamber 18, motlten metal 25 is sprayed by nozzle and forms cylindric jet, virtual instrument 20 is utilized to produce the sine-shaped continuous signal of corresponding frequencies, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, make vibrating arm end 16 of reciprocating vibration along rod axis, jet is broken under the effect of vibration forms a branch of size uniform, the even micro-molten drop line of equidistant metal.
When spray nozzle clogging causes micro-molten drop to eject needing nozzle clearing, the sine-shaped continuous signal utilizing virtual instrument 20 to produce frequency to be greater than 16KHz, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, high frequency large-amplitude vibration makes mentioned nozzle area motlten metal produce ultrasonic cavitation, micropressure adjusting valve 8 is regulated to make crucible 11 inside produce pressure reduction with spray chamber 18, the impurity of attachment near nozzle is cleared, realize the object of the nozzle of cleaning blocking, thus the problem of the course of injection unsteady phenomena reduced because spray nozzle clogging causes or replacing nozzle being dismounted for multiple times.
Embodiment 1: the micro-molten drop of on-demand metal sprays
Apparatus of the present invention are used to carry out melt solder metal 25(as leypewter, SAC etc.) micro-molten drop is when spraying, metal bar material to be melted or particulate material are put into crucible 11, device is sealed, high purity inert gas is passed into crucible 11 and spray chamber 18, by original Air blowing, reduce the oxygen content of crucible 11 and spray chamber 18 inside.
Apparatus of the present invention are used to carry out melt solder metal (as leypewter, SAC etc.) micro-molten drop is when spraying, the temperature that first heating element heater 13 be set on temperature controller 14 more than fusing point 40 degrees Celsius, a period of time is kept to melt completely to make the motlten metal 25 in crucible 11 and reach stable temperature solder metal heat fused, micropressure adjusting valve 8 is regulated to make crucible 11 inside produce micro-pressure-difference with spray chamber 18, motlten metal 25 is made to be full of nozzle, virtual instrument 20 is utilized to produce the signal of certain waveform, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, vibrating arm 16 is vibrated downwards along rod axis, cavity volume 21 volume is reduced, motlten metal is extruded nozzle 17, when vibrating arm 16 upwards reclaims, the motlten metal 25 of ejection ruptures from nozzle, form micro-molten drop 24, motlten metal simultaneously above vibrating arm end adds to downwards in cavity volume 21 along annular space 22.
Embodiment 2: the micro-molten drop beam spraying of continous way metal
Apparatus of the present invention are used to carry out melt solder metal 25(as leypewter, SAC etc.) micro-molten drop is when spraying, metal bar material to be melted or particulate material are put into crucible 11, device is sealed, high purity inert gas is passed into crucible 11 and spray chamber 18, by original Air blowing, reduce the oxygen content of crucible 11 and spray chamber 18 inside.
Apparatus of the present invention are used to carry out melt solder metal 25(as leypewter, SAC etc.) micro-molten drop is when spraying, the temperature that first heating element heater 13 be set on temperature controller 14 more than fusing point 40 degrees Celsius, a period of time is kept to melt completely to make the motlten metal 25 in crucible 11 and reach stable temperature solder metal heat fused, by noble gas source 6, pressure-reducing valve 7 and micropressure adjusting valve 8 make crucible 11 inside produce pressure reduction with spray chamber 18, motlten metal 25 is sprayed by nozzle and forms cylindric jet, virtual instrument 20 is utilized to produce the sine-shaped continuous signal of corresponding frequencies, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, make vibrating arm end 16 of reciprocating vibration along rod axis, jet is broken under the effect of vibration forms a branch of size uniform, the even micro-molten drop line of equidistant metal.
Embodiment 3: nozzle is cleared up.
When spray nozzle clogging causes micro-molten drop to eject, the sine-shaped continuous signal utilizing virtual instrument 20 to produce frequency to be greater than 16KHz, rear drive piezoelectric ceramic transducer 2 is amplified by power amplifier 19, high frequency large-amplitude vibration makes mentioned nozzle area motlten metal 25 produce ultrasonic cavitation, micropressure adjusting valve 8 is regulated to make crucible 11 inside produce pressure reduction with spray chamber 18, the impurity of attachment near nozzle is cleared, realize the object of the nozzle of cleaning blocking, thus reduce the course of injection unsteady phenomena because spray nozzle clogging causes.
The above; be only the present invention's preferably detailed description of the invention; protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the simple change of the technical scheme that can obtain apparently or equivalence are replaced and are all fallen within the scope of protection of the present invention.
Claims (8)
1. the micro-molten drop injection apparatus of metal, comprise drive signal waveform generating means virtual instrument, piezoelectric ceramic transducer, crucible, heating element heater and micropressure adjusting valve, it is characterized in that, also involving vibrations boom end, in the middle part of vibrating arm, heat insulation protection cover, the cylindrical vibrational boom end of removable conical surface transition, in the middle part of removable vibrating arm, the crucible heating base of the conical surface, the device support member that the conical surface connects, the outside wall surface of crucible matches with the conical inboard wall face of heated base, heating element heater is tightly fixed on the external cylindrical surface of heated base, the temperature of heating is come accurately to control by temperature controller, the periphery of heating element heater is wrapped up by insulated sheath, device support member is that heat-barrier material is made, centre is processed with radiation proof board, device support member be the conical surface between crucible and device upper cover and be connected, connecting portion has sealing gasket, piezoelectric ceramic transducer is installed on device upper cover axis place, be threaded connection mode by piezoelectric ceramics upper cover plate and device upper cover to compress, cooling water cavity is provided with in device upper cover, by forced-convection heat transfer, piezoelectric ceramic transducer is cooled, the drive singal of piezoelectric ceramic transducer produces signal by virtual instrument, laggard row cutting is amplified by power amplifier, noble gas source is by pressure-reducing valve step-down, the micro-pressure-difference between crucible and spray chamber is controlled by micropressure adjusting valve, it is cylindrical bar in the middle part of vibrating arm, two ends are processed with external screw thread, all screw thread pair is formed with the screwed hole of piezoelectric ceramic transducer and vibrating arm end, make piezoelectric ceramic transducer, in the middle part of vibrating arm and vibrating arm end forms vibrational system by being threaded, cylindrical hole is had in the screwed hole of piezoelectric ceramic transducer and vibrating arm end, matched in clearance is formed with the cylinder of male threaded end in the middle part of vibrating arm, vibrating arm end is the variable diameters cylindrical bar of conical surface transition.
2. the micro-molten drop injection apparatus of metal according to claim 1, is characterized in that, the outside wall surface of described crucible is the conical surface.
3. the micro-molten drop injection apparatus of metal according to claim 1, is characterized in that, described heating element heater is circular resistance heated circle.
4. utilize the micro-molten drop of metal described in claim 1 injection apparatus to form a method for the micro-molten drop of metal, it is characterized in that, comprise the following steps:
1) in the middle part of crucible, vibrating arm, vibrating arm end clears up, and installs new nozzle, processes metal to be melted, removes impurity and surface scale;
2) metal bar material to be melted or particulate material are put into crucible, device is sealed, high purity inert gas is passed into crucible and spray chamber, by original Air blowing, reduce the oxygen content of crucible and spray chamber inside;
3) heating element heater is controlled by temperature controller, heated base and crucible are heated up, and the metal in fusion crucible, until metal molten and reach design temperature and insulation after, make crucible inside produce micro-pressure-difference with spray chamber by noble gas source, pressure-reducing valve and micropressure adjusting valve, make motlten metal be full of nozzle.
5. the method utilizing metal micro-molten drop injection apparatus to form the micro-molten drop of metal according to claim 4, it is characterized in that, when needs produce and decline molten drop as required, virtual instrument is utilized to produce the signal of certain waveform, rear drive piezoelectric ceramic transducer is amplified by power amplifier, vibrating arm is vibrated downwards along rod axis, cavity volume volume is reduced, motlten metal is extruded nozzle, when vibrating arm upwards reclaims, the motlten metal of ejection, from nozzle fracture, forms micro-molten drop, and the motlten metal simultaneously above vibrating arm end adds to downwards in cavity volume along annular space.
6. the method utilizing metal micro-molten drop injection apparatus to form the micro-molten drop of metal according to claim 5, it is characterized in that, produce decline as required molten drop time, the motlten metal of corresponding different physical property, in the middle part of the vibrating arm of replaceable different length, the vibrating arm end of different-diameter changes the physical dimension of annular space and cavity volume.
7. the method utilizing metal micro-molten drop injection apparatus to form the micro-molten drop of metal according to claim 4, it is characterized in that, when needs produce and decline molten drop line continuously, use the vibrating arm end of small diameter, pass through noble gas source, pressure-reducing valve and micropressure adjusting valve make crucible inside produce pressure reduction with spray chamber, motlten metal is sprayed by nozzle and forms cylindric jet, virtual instrument is utilized to produce the sine-shaped continuous signal of corresponding frequencies, rear drive piezoelectric ceramic transducer is amplified by power amplifier, make vibrating arm end of reciprocating vibration along rod axis, jet is broken under the effect of vibration forms a branch of size uniform, the even micro-molten drop line of equidistant metal.
8. the method utilizing metal micro-molten drop injection apparatus to form the micro-molten drop of metal according to claim 4, it is characterized in that, when spray nozzle clogging causes micro-molten drop to eject needing nozzle clearing, virtual instrument generation frequency is utilized to be greater than the sine-shaped continuous signal of 16KHz, rear drive piezoelectric ceramic transducer is amplified by power amplifier, high frequency large-amplitude vibration makes mentioned nozzle area motlten metal produce ultrasonic cavitation, regulate minute-pressure to regulate and make crucible inside produce pressure reduction with spray chamber, the impurity of attachment near nozzle is cleared.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598200A (en) * | 1995-01-26 | 1997-01-28 | Gore; David W. | Method and apparatus for producing a discrete droplet of high temperature liquid |
| CN102672193A (en) * | 2012-05-28 | 2012-09-19 | 西北工业大学 | Metal molten drop ejecting device and method for ejecting high-melting-point metal molten drops using same |
| CN103056375A (en) * | 2013-01-06 | 2013-04-24 | 西北工业大学 | Molten metal droplet forming device and method of utilizing same to form molten metal droplets |
| CN203003153U (en) * | 2013-01-06 | 2013-06-19 | 西北工业大学 | Micro metal drop forming device |
| CN203764979U (en) * | 2014-02-13 | 2014-08-13 | 哈尔滨工业大学 | Micro metal molten drop spraying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6554166B2 (en) * | 2000-03-14 | 2003-04-29 | Hitachi Metals, Ltd. | Apparatus for producing fine metal balls |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598200A (en) * | 1995-01-26 | 1997-01-28 | Gore; David W. | Method and apparatus for producing a discrete droplet of high temperature liquid |
| CN102672193A (en) * | 2012-05-28 | 2012-09-19 | 西北工业大学 | Metal molten drop ejecting device and method for ejecting high-melting-point metal molten drops using same |
| CN103056375A (en) * | 2013-01-06 | 2013-04-24 | 西北工业大学 | Molten metal droplet forming device and method of utilizing same to form molten metal droplets |
| CN203003153U (en) * | 2013-01-06 | 2013-06-19 | 西北工业大学 | Micro metal drop forming device |
| CN203764979U (en) * | 2014-02-13 | 2014-08-13 | 哈尔滨工业大学 | Micro metal molten drop spraying device |
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