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Ultrasonic auxiliary precision forging method and device

An ultrasonic-assisted, ultrasonic-based technology, applied in forging/pressing/hammer devices, forging/pressing/hammering machinery, manufacturing tools, etc., can solve the problem of inaccurate forming contours, poor metal filling, and low die life To achieve the effect of reducing the contact friction coefficient, refining the microscopic grain structure of metal fibers, and enhancing the flow performance

Inactive Publication Date: 2018-09-18
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Although many patents and technologies try to improve the quality of forgings and reduce production costs by optimizing the process, there are still problems such as excessive deformation force, inaccurate forming contours of parts, poor metal filling, low mold life and difficulty in demoulding after forming, etc. question

Method used

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  • Ultrasonic auxiliary precision forging method and device
  • Ultrasonic auxiliary precision forging method and device

Examples

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Effect test

Embodiment 1

[0041] Embodiment 1 Ultrasonic vibration assisted precision forging, ultrasonic assisted precision forging device, combined with attached figure 1 As shown, including the upper die 2, the lower die 25, the upper punch 12, the lower punch 23, the upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism, the stress-strain field of the upper ultrasonic vibration system is schematically combined with the attached image 3 As shown, the upper ultrasonic vibration mechanism is composed of an upper ultrasonic flange fixing plate 6, an upper ultrasonic pressure plate 7, an upper ultrasonic horn 8, an upper ultrasonic transducer 9, an upper ultrasonic fixing plate 10, and an upper pull rod 11. Vibration mechanism is made up of lower ultrasonic flange fixing plate 17, lower ultrasonic pressure plate 18, lower ultrasonic horn 19, lower ultrasonic fixing plate 20, lower ultrasonic transducer 21, pull rod 22; The upper ultrasonic horn 8 is fixedly connected, the lo...

Embodiment 2

[0047] Embodiment two (ultrasonic vibration assisted ordinary forging, combined with attached Figure 5 )

[0048] Ultrasonic assisted general forging device combined with attached Figure 5 As shown, it is composed of a press, a forming die, an ultrasonic vibration mechanism, and a ejector rod ejection mechanism, wherein the forming die is composed of an upper die 35, a lower die 37, an upper insert 36 and a lower insert 38, and the upper insert 36 passes through The thread is connected with the tool head 34, a certain gap is left between the upper insert 36 and the upper die 35, the lower insert 38 and the lower die 37 are fixedly connected by the hexagon socket head cap screws 43, and the upper die 35 and the lower die 37 are respectively fixed on the press on the moving beam and the lower beam; the ultrasonic vibration mechanism is composed of an ultrasonic generator, a transducer 31, a horn 32, a tool head 34 and a fixing device, and the tool head 34 is fixedly connected...

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Abstract

The invention discloses an ultrasonic auxiliary precision forging method and device, and relates to the field of forging. The ultrasonic auxiliary precision forging method and device comprise an upperconcave die, a lower concave die, an upper punch head, a lower punch head, an upper ultrasonic vibration mechanism and a lower ultrasonic vibration mechanism;and an ultrasonic vibration device penetrates through a punch cushion sleeve and a through groove in the middle of a template and is fixedly connected to the punch heads, an variable amplitude rod transmits the amplified ultrasonic vibrationto the punch heads, and the punch heads transmits the vibration to a blank. According to the ultrasonic auxiliary precision forging method and device, the frequency, the amplitude, the vibration modeof the ultrasonic vibration and the shape and the size of the punch heads are changed to suit for precision forging of different products; the method and device have the advantages that the plastic deformation capability of the metal is greatly improved, the metal filling property is improved, the friction force between the blank and the die is reduced, the grain structure is refined, the roughness of the forming surface is reduced, the demolding capability of the forge piece is improved, the applicability is wide, the material utilization rate and the product percent of pass are improved.

Description

technical field [0001] The invention relates to the field of precision forging, in particular to a method and device for ultrasonic vibration-assisted precision forging. Background technique [0002] The forging industry has always been an important foundation for industries such as automobiles, mining, energy, construction, aerospace, and weapons. After the Second World War, with the development of modern mass production, various new cutting processes with little or no cutting emerged as the times require. In recent decades, the forging process has broken through the scope of blank production, and people can produce many forged and pressed parts that are close to finished products, with good surface quality, less machining allowance and high dimensional accuracy. Precision forging improves the utilization rate of materials, partially cancels or reduces the cutting process, makes the metal fibers continuously distributed along the product contour, increases the bearing capa...

Claims

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Application Information

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IPC IPC(8): B21J5/02B21J13/02B21J13/00
CPCB21J5/025B21J13/00B21J13/02
Inventor 姜银方沙德利朱梦成姜文帆
Owner JIANGSU UNIV
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