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Drawing forming device and method of non-axisymmetric piece made of difficult-to-deform material

A non-axisymmetric, hard-to-deform technology, used in forming tools, presses, metal processing equipment, etc., to achieve the effect of increasing drawing height, improving plastic fluidity, and reducing structural and operational complexity

Active Publication Date: 2017-09-08
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these technologies directly drive the deformation of the sheet through the magnetic field force, so they can only be applied to high-conductivity materials; and the entire process can only be used to form axisymmetric cylindrical parts

Method used

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  • Drawing forming device and method of non-axisymmetric piece made of difficult-to-deform material
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  • Drawing forming device and method of non-axisymmetric piece made of difficult-to-deform material

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Embodiment

[0044] Such as Figure 1 to Figure 8 As shown, a deep drawing device for a non-axisymmetric piece of difficult-to-deform material of the present invention includes a punch 1 , a die 2 and a blank holder 3 . Wherein, the blank holder 3 is movably arranged above the die 2 , and the blank holder 3 is used to clamp the blank 4 to be formed between the blank holder 3 and the die 2 . An axial drawing coil 5 is arranged at the bottom of the punch 1, an upper groove and a lower groove are respectively arranged on the die 2 and the blank holder 3, and an upper radial side pushing coil is embedded in the upper groove 6. A lower radial side push coil 7 is embedded in the lower groove. The deep drawing device also includes a high-conductivity driving punch 8 and a plurality of high-conductivity driving bars 9 . The high-conductivity driving punch 8 is placed under the punch 1 , so that the upper surface of the high-conductivity driving punch 8 is in contact with the lower surface of the...

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Abstract

The invention discloses a drawing forming device and method of a non-axisymmetric piece made of a difficult-to-deform material. The drawing forming device comprises a male die, a female die and a blank holder. The blank holder is movably arranged on the upper side of the female die and used for clamping a plate material to be formed between the blank holder and the female die. The bottom of the male die is provided with an axial drawing coil. The female die and the blank holder are provided with an upper groove and a lower groove. Upper radial lateral push coils are embedded in the upper groove. Lower radial lateral push coils are embedded into the lower groove. The drawing forming device further comprises a high-conductivity drive punch pin and multiple high-conductivity drive bars. The high-conductivity drive punch pin is placed below the male die. The multiple high-conductivity drive bars are arranged on the outer side of the fillet end of the plate material. The drawing forming device is good in drawing uniformity, simple in structure and convenient to operate, the drawing precision is easy to control, and the drawing forming device is suitable for drawing formation of the non-axisymmetric piece made of the difficult-to-deform material.

Description

technical field [0001] The invention relates to the technical field of sheet metal forming, in particular to a device and method for deep-drawing and forming of non-axisymmetric parts of difficult-to-deform materials, and mainly solves the problem of deep-drawing of non-axisymmetric parts. Background technique [0002] With the demand for lightweight structural parts in my country's automobiles, high-speed trains, aircrafts, and launch vehicles, thin-walled components represented by high-strength and lightweight materials such as aluminum alloys, magnesium alloys, titanium alloys, high-strength steels, and carbon fibers are in advanced There are more and more applications in the field of manufacturing. However, high-strength lightweight materials encounter a big bottleneck in traditional deep drawing, mainly manifested in the poor plastic deformation ability of light alloys, and defects such as wrinkles and cracks are prone to occur during the deep drawing process. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B1/42B21D22/20B21D37/10
CPCB21D22/20B21D37/10B30B1/42
Inventor 崔晓辉喻海良王青山
Owner CENT SOUTH UNIV
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