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Ultrasonic Stirring Melting Device

An ultrasonic stirring and ultrasonic technology, applied in the field of metal smelting, can solve the problems of small volume and range of ultrasonic melt, and achieve the effect of avoiding standing wave and attenuation problems and increasing volume

Active Publication Date: 2018-10-09
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to provide an ultrasonic stirring melting device, the structural design of the ultrasonic stirring melting device can effectively solve the problem that the volume and range of the ultrasonically acting melt are small

Method used

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  • Ultrasonic Stirring Melting Device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Fully preheat the ultrasonic amplitude rod 9, and control the preheating temperature at 230°C. (2) Turn on the ultrasonic transducer 3 and the vibration motor 4, set the power of the ultrasonic transducer 3 to 500W, and the frequency is 15KHz, and the frequency of the vibration motor 4 is set to 15Hz, and the ultrasonic amplitude rod 9 emitting end faces are suspended on the Sn -0.3%Ag-0.7Cu alloy molten pool crystallizer, keep warm at 230°C and oscillate ultrasonically for 3min. (3) Turn off the ultrasonic transducer 3 and the vibrating motor 4, pour the molten metal into the mould, and obtain the Sn-0.3%Ag-0.7Cu alloy casting after air cooling.

Embodiment 2

[0042] (1) Fully preheat the ultrasonic amplitude rod 9, and control the preheating temperature at 220°C. (2) Turn on the ultrasonic transducer 3 and the vibration motor 4, set the power of the ultrasonic transducer 3 to 1200W, the frequency to 25Hz, the frequency of the vibration motor 4 to 50Hz, and suspend the emitting end of the ultrasonic amplitude rod 9 in a 220°C constant temperature Sn-15Zn-Cu-Al alloy molten pool crucible, ultrasonic vibration 3min. (3) Turn off the ultrasonic transducer 3 and the vibration motor 4, and water-cool to obtain a Sn-20Zn alloy casting.

Embodiment 3

[0044] (1) Fully preheat the ultrasonic amplitude rod 9, and control the preheating temperature at 400°C. (2) Turn on the ultrasonic transducer 3 and the vibration motor 4, set the power of the ultrasonic transducer 3 to 500W, the frequency to 30KHz, the frequency of the vibration motor 4 to 60Hz, and suspend the emitting end of the ultrasonic amplitude rod 9 in a 400°C constant temperature In the crucible of the Zn-5Al alloy molten pool, ultrasonically oscillate for 2 minutes. (3) Turn off the ultrasonic transducer 3 and the vibration motor 4, and water-cool to obtain a Zn-5Al alloy casting.

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Abstract

The invention discloses an ultrasonic stirring melting device. The ultrasonic stirring melting device comprises a support, an ultrasonic transducer, an ultrasonic amplitude bar and a vibration motor; the upper end of the ultrasonic transducer is fixedly connected with the support, the lower end, that is the output end, of the ultrasonic transducer is fixedly connected with a middle part, and the middle part is elastically connected with the support; the upper end of the ultrasonic amplitude bar is fixedly connected with the middle part; the vibration motor can drive the middle part to swing. Due to structural design of the ultrasonic stirring melting device, the problem that an ultrasonic melt is small in size and range is solved effectively.

Description

technical field [0001] The invention relates to the technical field of metal smelting, in particular to an ultrasonic stirring smelting device. Background technique [0002] At present, a lot of research has been done on the use of ultrasonic solidification to refine grains and the mechanism of ultrasonic melt degassing. At present, the ultrasonic introduction method mostly adopts the horn fixed mode. This method can only emit longitudinal wave mode, which has the following limitations: 1) The horn is adhered to other parts, so that part of the ultrasonic vibration energy is absorbed; 2) The volume and range of the melt under ultrasonic action are small; 3) The longitudinal wave propagation process will not only attenuate linearly, but also due to reflection when encountering a solid phase, The probability of standing waves is high, and this loss causes the intensity and amplitude to drop rapidly below the cavitation threshold, and even the cavitation stops, and the degassin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B9/02C22C1/02
CPCC22B9/026C22C1/02Y02P10/20
Inventor 陈海燕陈子良赖振民高攀
Owner GUANGDONG UNIV OF TECH
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