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Three-dimensional ultrasonic vibration auxiliary deep drawing machining device of mini-type metal thin wall cup piece

A thin metal, ultrasonic technology, applied in the field of metal plastic processing, can solve problems such as complex structure and low production efficiency, and achieve the effect of increasing the drawing limit, reducing friction, and reducing friction

Inactive Publication Date: 2014-05-14
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of the device is complex, the production efficiency is low, and to achieve a better forming effect, a lubricant must be used

Method used

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  • Three-dimensional ultrasonic vibration auxiliary deep drawing machining device of mini-type metal thin wall cup piece
  • Three-dimensional ultrasonic vibration auxiliary deep drawing machining device of mini-type metal thin wall cup piece
  • Three-dimensional ultrasonic vibration auxiliary deep drawing machining device of mini-type metal thin wall cup piece

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] like figure 1 As shown, this embodiment includes: a guide post 15, a guide sleeve 16, a lower die handle 10, a lower die plate 11, a bolt 17, a pin 18, an upper die mechanism and a vibration generating device. The upper die mechanism includes: a punch 14 , an upper template 12 , an upper die handle 19 , a die handle fixing plate 20 , a force sensor 21 and a sensing fixing plate 13 . The upper die mechanism is connected to the press through the upper die handle 19. In this embodiment, the upper die mechanism moves along the guide post 15 in the vertical direction to realize the deep drawing action. The punch 14 is embedded in the upper template 12 . The upper template 12, the sensing fixing plate 13, and the die handle fixing plate 20 are connected in sequence from bottom to top. The force sensor 21 is placed in the groove in the big end of the upper die handle 19 . Before deep drawing, the whole device is air pressured without adding blanks, the force sensor is zeroe...

Embodiment 2

[0025] Utilize the three-dimensional ultrasonic vibration-assisted deep drawing processing device of the miniature metal thin-walled cup described in Example 1 to process the miniature metal parts, and adopt the following steps:

[0026] 1) Fix the upper die handle 19 and the lower die handle 10 on the upper clamp and the lower clamp of the press, respectively, and move the upper clamp of the press down so that the lower end of the guide post 15 penetrates into the guide sleeve 16.

[0027] 2) Place the blank on the die 9, move the clamp on the press down, and stop the press when the punch 14 just touches the blank.

[0028] 3) Turn on the signal power supply of X-axis semi-ring piezoelectric ceramic 1, Y-axis semi-ring piezoelectric ceramic 2 and Z-axis ring piezoelectric ceramic 3 respectively, so that it vibrates at the working frequency. And after being amplified by the horn 7 , the three-dimensional amplitude is transmitted to the die 9 .

[0029] 4) Start the press agai...

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Abstract

The invention discloses a three-dimensional ultrasonic vibration auxiliary deep drawing machining device of a mini-type metal thin wall cup piece in the field of metal plastic machining. The three-dimensional ultrasonic vibration auxiliary deep drawing machining device comprises a vibration generating device, a lower die mechanism, a male die, an upper die mechanism and a female die fixed to the top of an amplitude rod. The upper die mechanism is connected with the lower die mechanism, and the male die is fixed to the middle of the lower surface of the upper die mechanism. The vibration generating device comprises a back energy converter fixing rod, a Z-axis annular piezoelectric ceramic, a fixing disc, two sets of X-axis semi-annular piezoelectric ceramics with the reverse polarities, two sets of Y-axis semi-annular piezoelectric ceramics with the reverse polarities, a front energy converter fixing rod and an amplitude rod, wherein the back energy converter fixing rod, the Z-axis annular piezoelectric ceramic, the fixing disc, the two sets of X-axis semi-annular piezoelectric ceramics with the reverse polarities, the two sets of Y-axis semi-annular piezoelectric ceramics with the reverse polarities, the front energy converter fixing rod and the amplitude rod are connected in series and fixed from bottom to top in sequence. The fixing disc and the lower die mechanism are fixed, and the female die corresponds to the male die in position. The defect of the corrugation of a thin wall is overcome, the pressure on a blank to be machined from the side wall of the female die can be adjusted conveniently, the friction between the side wall and the blank is reduced, the deformation capability of materials is improved, and the deep drawing limitation is improved.

Description

technical field [0001] The invention relates to a device in the field of metal plastic processing, in particular to a three-dimensional ultrasonic vibration-assisted deep drawing processing device for miniature metal thin-walled cups. Background technique [0002] With the continuous improvement of people's requirements for the portability of electronic products, the volume of electronic products is getting smaller and smaller, but the functions are more and more powerful, so the application and demand of micro metal thin-walled cups are on the rise. This presents a technical challenge for the manufacturing industry: how to produce high-performance miniature metal thin-walled cups in high volume. Metal plastic processing is widely used in mass production of metal parts due to its advantages of high material utilization rate, good product mechanical properties, and high production efficiency. However, the metal plastic processing method also has some defects, such as large f...

Claims

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Application Information

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IPC IPC(8): B21D22/20B21D37/10B06B1/06
CPCB21D35/008
Inventor 柏杨赵震
Owner SHANGHAI JIAO TONG UNIV
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