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Electromagnetic forming device and method for metal pipe fittings

A metal pipe fittings, electromagnetic forming technology, applied in metal processing equipment, forming tools, manufacturing tools and other directions, can solve the problems of single forming shape of metal pipe fittings, single distribution characteristics of electromagnetic force field, etc., to achieve reasonable distribution and improve filming accuracy. Effect

Active Publication Date: 2021-04-20
HUAZHONG UNIV OF SCI & TECH
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  • Application Information

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Problems solved by technology

[0004] In view of the above defects or improvement needs of the prior art, the present invention provides an electromagnetic forming device and method for metal pipe fittings, thereby solving the problems of single electromagnetic force field distribution characteristics and single shape of metal pipe fittings in the existing electromagnetic forming technology question

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  • Electromagnetic forming device and method for metal pipe fittings
  • Electromagnetic forming device and method for metal pipe fittings
  • Electromagnetic forming device and method for metal pipe fittings

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0038] Such as figure 1 As shown, an electromagnetic forming device for metal pipe fittings includes: a forming coil device, including a plurality of forming coils, a plurality of forming coils are coaxially arranged inside the metal pipe fitting 2-1 to be formed; a forming die 4 is arranged on The outside of the metal pipe to be formed 2-1 is used to constrain the shape of the metal pipe to be...

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Abstract

The invention discloses an electromagnetic forming device and method for metal pipe fittings, belonging to the technical field of metal forming manufacturing, comprising: a plurality of forming coils coaxially arranged inside the metal pipe fitting to be formed; Forming mold; power supply module, including multiple pulse power supplies and discharge sequence control modules, multiple pulse power supplies are connected to multiple forming coils; the pulse power supply is used to pass pulse current to each forming coil, so that induced eddy currents are generated in the metal pipe to be formed , The magnetic field generated by the pulse current and the induced eddy current generate an electromagnetic force, and the metal pipe to be formed is deformed to the shape of the forming mold under the action of the electromagnetic force. The invention obtains different electromagnetic force field distribution characteristics by changing the discharge parameters of a single forming coil, meets different force field requirements, solves the problem of single electromagnetic force distribution characteristics in traditional electromagnetic forming, and can effectively improve the flexibility of electromagnetic forming and the metal Molding accuracy of pipe fittings.

Description

technical field [0001] The invention belongs to the technical field of metal forming and manufacturing, and more specifically relates to an electromagnetic forming device and method for metal pipe fittings. Background technique [0002] Light alloys represented by magnesium, aluminum, and titanium are widely used in automobile manufacturing, aerospace and other fields due to their high-strength and low-density physical properties. However, this type of light alloy has poor formability at room temperature and is prone to wrinkling and cracking. Electromagnetic forming technology is a high-energy, high-speed special forming method that uses pulsed electromagnetic force to plastically process metal blanks. It can greatly improve the forming limit of light alloys and suppress wrinkling. At the same time, it also has simplified molds and high processing accuracy. High, easy to realize the advantages of production automation. Therefore, electromagnetic forming technology has bee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D26/14B21D37/10
CPCB21D26/14B21D37/10
Inventor 曹全梁李显欧阳少威李亮韩小涛赖智鹏夏良宇
Owner HUAZHONG UNIV OF SCI & TECH
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