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Wall resonance ultrasonic metal solidification device and method for real-time control

A technology of metal solidification and real-time control, applied in the configuration of safety devices, metal processing equipment, indicating equipment/measuring equipment, etc. The effect of avoiding solidification speed, increasing speed and prolonging working life

Active Publication Date: 2022-02-15
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a real-time controllable wall resonance ultrasonic metal solidification device, which is novel and reasonable in design, and avoids the problem of overheating failure caused by direct contact between the horn and the melt , solves the problem of low transmission efficiency and the cost of special hardware development, solves the problems of amplitude reduction and ultrasonic vibration processing effect deterioration caused by the continuous change of the resonance point in the prior art, and greatly improves the speed of searching for the optimal vibration frequency. Effective regulation of coagulation tissue

Method used

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  • Wall resonance ultrasonic metal solidification device and method for real-time control
  • Wall resonance ultrasonic metal solidification device and method for real-time control
  • Wall resonance ultrasonic metal solidification device and method for real-time control

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Embodiment 1

[0080] like figure 1 As shown, the real-time regulated wall surface resonance ultrasonic metal solidification device of the present embodiment includes a metal solidification device body and a metal solidification data acquisition and controller, and the metal solidification device body includes a mold 8 poured from the top and an outer wall of the compression mold 8 The ultrasonic vibration assembly 3 is provided, and the outer wall of the casting mold 8 is also provided with a thrust rod 4 that forms a counter force with the ultrasonic vibration assembly 3 to prevent the casting mold 8 from moving; the top of the casting mold 8 is provided with a solid material for melting alloy And to the smelting crucible 13 of casting in mold 8;

[0081] The metal solidification data acquisition and controller include a sensor group, a signal acquisition circuit group, a computer 14, a frequency conversion signal generator 1 and a signal amplifier 2 connected in sequence, and the sensor g...

Embodiment 2

[0136] like image 3 As shown, the difference between this embodiment and Embodiment 1 is that the ultrasonic vibration assembly 3 includes a sliding guide support 3-3, an ultrasonic transducer 3-2, a horn 3-1 and a The power mechanism that the device 3-2 moves back and forth on the sliding guide support 3-3, and the ultrasonic transducer 3-2 is connected on the sliding guide support 3-3 and can move forward and backward on the sliding guide support 3-3 The ultrasonic transducer 3-2 is connected to the output end of the signal amplifier 2, and the horn 3-1 is connected to the front end of the ultrasonic transducer 3-2 and is used to compress the outer wall of the mold 8, so The rear end of the ultrasonic transducer 3-2 is connected with a pressure sensor 3-4; the power mechanism includes a lead screw connection seat 3-10, a lead screw 3-11 connected to the lead screw connection seat 3-10, a rotating The leading screw nut 3-12 that is connected on the leading screw 3-11 and th...

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Abstract

The invention discloses a wall surface resonance ultrasonic metal solidification device and method for real-time regulation and control. The device includes a metal solidification device body and a metal solidification data acquisition and controller. The metal solidification device body includes a casting mold, an ultrasonic vibration component and a thrust rod; The method includes steps: 1. loading alloy raw materials; 2. installing the metal solidification device body; 3. installing sensor groups; 4. setting initial values ​​of vibration parameters; ; Eight, three-dimensional ultrasonic metal solidification of wall vibration under vibration frequency feedback control; Nine, unloading castings. The invention avoids the problem of overheating and failure caused by the direct contact between the horn and the melt, solves the problem of low transmission efficiency and the cost of developing special hardware, and solves the problem of poor ultrasonic vibration treatment effect caused by the continuous change of the resonance point in the prior art , which greatly improves the speed of searching for the optimal vibration frequency, and realizes the effective control of the solidification structure.

Description

technical field [0001] The invention belongs to the field of advanced material preparation and processing, and in particular relates to a real-time regulated wall resonance ultrasonic metal solidification device and method. Background technique [0002] Casting is one of the important metal forming technologies, with a wide range of applications, such as aerospace vehicle engine parts, airfoil support components, automotive engine cylinders and gearbox housings, automotive hubs and complex parts of many mechanical devices. Specific materials involve aluminum alloys, magnesium alloys, copper alloys, nickel-based superalloys, and the like. Continuously improving the performance of castings is of great significance to the development of various industries. [0003] The casting process is a process in which the metal melt gradually solidifies in the cavity. Studies have shown that applying an ultrasonic field during the metal solidification process can use a series of nonlinea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D27/08B22D46/00B22D2/00
CPCB22D27/08B22D46/00B22D2/00B22D2/006
Inventor 翟薇王建元胡亚杰于洋魏炳波
Owner NORTHWESTERN POLYTECHNICAL UNIV
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