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Restrictive molding die and grain refinement method for ultrasonic vibration-assisted demolding

An ultrasonic vibration and ultrasonic-assisted technology, applied in the direction of pushing out equipment, can solve problems such as uneven strain distribution, difficulty in mold processing, and difficulty in demolding, and achieve the effects of uniform recrystallization distribution, reduced processing costs, and reduced manufacturing costs

Active Publication Date: 2020-02-18
DALIAN UNIV OF TECH
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  • Description
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Problems solved by technology

[0006] In view of the shortcomings of the above-mentioned existing restrictive molding dies such as poor adaptability, uneven strain distribution, difficult mold processing, poor economy, and difficult demoulding, the present invention researches and designs a restrictive molding die for ultrasonic vibration-assisted demoulding, and a The processing method of grain refinement is suitable for the processing of rectangular and circular thin plate workpieces, which effectively solves the shortcomings of existing molds

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  • Restrictive molding die and grain refinement method for ultrasonic vibration-assisted demolding
  • Restrictive molding die and grain refinement method for ultrasonic vibration-assisted demolding
  • Restrictive molding die and grain refinement method for ultrasonic vibration-assisted demolding

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Embodiment Construction

[0048] The specific embodiment of the present invention is shown in the attached drawings, the ultrasonic vibration-assisted demolding restrictive molding die includes: a mold base, an ultrasonic-assisted demolding device, and a mold cavity; the ultrasonic-assisted demolding device and the mold cavity are installed in the mold base together ;

[0049] The mold base includes: mold handle 1, upper fixing plate 3, upper backing plate 7, limit post 9, guide post 12 and lower fixing plate 13; mold handle 1 is connected with upper fixing plate 3 by bolts; upper backing plate 7 is connected by bolts Installed on the lower part of the upper fixing plate 3; the limit post 9 is connected with the lower fixing plate 13 through threads; the lower backing plate 11 is placed in the groove on the upper part of the lower fixing plate 13; the upper fixing plate 3 and the lower fixing plate 13 pass through the guide post 12-phase connection;

[0050] The ultrasonic auxiliary demoulding device inclu...

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Abstract

The invention discloses a restrictive mold pressing mold for ultrasonic vibration auxiliary demolding and a grain refinement method, and relates to mold machining and manufacturing and an applicationmethod thereof, in particular to a mold capable of enabling workpieces to obtain large accumulation strains and a process method for refining material grain sizes. The restrictive mold pressing mold comprises a mold frame, an ultrasonic auxiliary demolding device and a mold cavity. The ultrasonic auxiliary demolding device and the mold cavity are mounted in the mold frame together. The novel restrictive mold pressing mold for ultrasonic vibration auxiliary demolding and the grain refinement method have the beneficial effects of being novel in structure, easy and convenient to machine and operate, good in workpiece adaptability, uniform in strain distribution and small in wear, facilitating demolding and the like, and integrating economic performance and practicality.

Description

Technical field [0001] The restrictive molding die for assisted demolding by ultrasonic vibration and the method of grain refinement according to the present invention relate to die processing and manufacturing and methods of use thereof, specifically a die capable of obtaining a large accumulated strain of a workpiece, and a material crystal grain Dimensional process method. Background technique [0002] With the rapid development of the automotive, aerospace, and nuclear energy industries, materials with superior mechanical and processing properties have received extensive attention. Reducing the average grain size of metal or alloy materials to the ultra-fine grain range (submicron and below) is an important method to improve its mechanical and processing properties. The specific strength of ultra-fine-grained metal or alloy materials at room temperature Significantly improved, and has high strain rate superplastic properties, which is conducive to precision processing and pl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/02B21D45/04
CPCB21D22/02B21D45/04
Inventor 白倩汤寒宇封衡郭超
Owner DALIAN UNIV OF TECH
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