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Coupling-cooling-type pipe fitting flexible electromagnetic forming method and device

An electromagnetic forming and cooling technology, which is applied in the field of flexible electromagnetic forming and devices of coupling cooling pipe fittings, can solve the problems of limited coil specifications and complicated installation, and achieve uniform and flexible force, good effect and lower temperature

Pending Publication Date: 2018-08-17
CHINA THREE GORGES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device contains many parts, the installation is complicated, and there are strict restrictions on the specifications of the coil.

Method used

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  • Coupling-cooling-type pipe fitting flexible electromagnetic forming method and device
  • Coupling-cooling-type pipe fitting flexible electromagnetic forming method and device
  • Coupling-cooling-type pipe fitting flexible electromagnetic forming method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] "Coupled cooling flexible electromagnetic forming of pipe fittings (pipe fitting bulging) with equal spacing and same cross-section flexible electromagnetic force coils and coupled cooling coils" implementation plan:

[0072] As shown in Figure 1(a), a copper wire coil group with 8 turns and 10 layers is required (copper wires are insulated from each other, the skeleton inside the coil is an epoxy resin plate, and the outside of the copper coil is wrapped with a new super-strong fiber Zylon for reinforcement). A single-turn 8-layer self-closing flexible electromagnetic force coil with equal spacing and the same cross-section needs to be wound with copper braided wire, which is close to the outer surface of the main coil. The coil winding shape is shown in Figure 3 (a). During the coil coupling process, its shape gradually expands from a gear shape to a ring shape as shown in Figure 2(a). Equally spaced self-closing circular tubular coils wound with copper braided wires...

Embodiment 2

[0074] "Coupled cooling flexible electromagnetic forming of pipe fittings (pipe fitting bulging) with unequal spacing flexible electromagnetic force coils and coupled cooling coils" implementation plan:

[0075] As shown in Figure 1(a), a copper wire coil group with 8 turns and 10 layers is required (copper wires are insulated from each other, the skeleton inside the coil is an epoxy resin plate, and the outside of the copper coil is wrapped with a new super-strong fiber Zylon for reinforcement). A single-turn 8-layer self-closing flexible electromagnetic force coil with unequal spacing that needs to be wound with copper braided wire is close to the outer surface of the main coil. The coil winding shape is shown in Figure 3(b). The flexible electromagnetic force coil and the main coil During the coupling process, its shape gradually expands from a gear shape to a ring shape as shown in Figure 2(b). Equally spaced self-closing circular tubular coils wound with copper braided w...

Embodiment 3

[0077] "Coupled cooling flexible electromagnetic forming of pipe fittings (pipe fitting bulging) with unequal cross-section flexible electromagnetic force coils and coupled cooling coils" implementation plan:

[0078] As shown in Figure 1(a), a copper wire coil group with 8 turns and 10 layers is required (copper wires are insulated from each other, the skeleton inside the coil is an epoxy resin plate, and the outside of the copper coil is wrapped with a new super-strong fiber Zylon for reinforcement). Single-turn 8-layer self-closing flexible electromagnetic force coils of different cross-sections need to be wound with copper braided wires, which are close to the outer surface of the main coil. The coil winding shape is shown in Figure 3(c). The flexible electromagnetic force coil is coupled to the main coil During the process, its shape gradually expands from a gear shape to a ring shape as shown in Figure 2(c). Equally spaced self-closing circular tubular coils wound with ...

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Abstract

Disclosed are a coupling-cooling-type pipe fitting flexible electromagnetic forming method and device. The coupling-cooling-type pipe fitting flexible electromagnetic forming device comprises multiturn and multiplayer main coils used for generating a pulsed high magnetic field, flexible electromagnetic force coils used for assisting the multiturn and multiplayer main coils to strengthen the coupling effect, coupling cooling coils taking heat of the multiturn and multiplayer main coils away for cooling the multiturn and multiplayer main coils, compressed air condensing pipes used for accelerating dissipating of heat of the coupling cooling coils, a pulse power source used for supplying power to the multiturn and multiplayer main coils and a control switch. Electromagnetic force is strengthened through the flexible electromagnetic force coils, and meanwhile the electromagnetic force can be controlled flexibly through the structure of the flexible electromagnetic force coils; and an induced eddy current is generated through mutual coupling of the coupling cooling coils and the main coils, a part of the heat in the main coils is taken away, thus temperature rise of the main coils is reduced, and the purpose of prolonging the life of the main coils is achieved.

Description

technical field [0001] The invention relates to a flexible electromagnetic forming method and device of a coupled cooling type pipe fitting, which are applied in the field of metal material processing. Background technique [0002] Lightweight is an important technical means to achieve energy saving and emission reduction in aerospace, automobile industry and other fields. The main way to achieve lightweight is to use light alloy materials. High-performance aluminum alloys, titanium alloys, and magnesium alloys have become the preferred materials for modern aerospace and automotive industries; electromagnetic forming is a high-speed pulse forming technology. It can greatly improve the formability of metal materials, and is one of the effective means to solve the difficulty of forming light alloys. [0003] At present, in the electromagnetic forming process of metal pipe fittings, the electromagnetic force of the pipe fittings is generated by the pulse current of the main co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D26/14
CPCB21D26/14
Inventor 邱立李彦涛苏攀熊奇邓长征李亮
Owner CHINA THREE GORGES UNIV
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