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Magnetic pulse asymmetric magnetic collection device for special-shaped pipe fitting

A special shape, asymmetric technology, used in non-electric welding equipment, welding equipment, metal processing equipment and other directions, can solve the problems of inability to implement effective welding, increase in impact speed, etc., to reduce mechanical stress and thermal stress, improve durability Effect

Inactive Publication Date: 2013-08-07
BEIJING UNIV OF TECH
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Problems solved by technology

[0002] For the change of the position of the tooling of the magnetic pulse welding technology, the magnetic pulse welding of special structural pipe fittings cannot be effectively welded
At the same time, in order to improve the quality of magnetic pulse welded joints, a large amount of energy must be supplied to increase the bonding length, but large energy causes an increase in the overall impact velocity, which in turn causes the formation of compounds

Method used

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  • Magnetic pulse asymmetric magnetic collection device for special-shaped pipe fitting
  • Magnetic pulse asymmetric magnetic collection device for special-shaped pipe fitting
  • Magnetic pulse asymmetric magnetic collection device for special-shaped pipe fitting

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Embodiment Construction

[0020] The invention will be further described below in conjunction with the accompanying drawings

[0021] refer to figure 1 , the shape of the special-shaped pipe fittings is a whole of cylindrical pipe fittings connected to an umbrella-shaped structure. The characteristic of the asymmetric magnetic collector is that it is different from the symmetrical magnetic collector whose working area is located in the middle. The working area 3.1 of the asymmetric magnetic collector is located in the magnetic collector. left side. The asymmetrical magnet collector uses a copper column with a length of B as the material. A cylinder with a radius a and a length b is taken out from the left side, and a frustum-shaped inner cavity 3.2 is taken out from the right side. Finally, a guide needs to be opened on the copper column. The flow groove 6 and the flow guide groove 6 are grooves formed after cutting from the outer surface of the copper pillar to the axis of the copper pillar along the...

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Abstract

A magnetic pulse asymmetric magnetic collection device for a special-shaped pipe fitting belongs to the tooling design field of special type welding. The magnetic pulse asymmetric magnetic collection device for the special-shaped pipe fitting is characterized in that the shape of the special-shaped is a whole which is formed by connecting a cylindrical pipe fitting with an umbrella-shaped structure; the magnetic pulse asymmetric magnetic collection device utilizes a cylinder as an original material, a small cylinder is formed on one side of the cylinder, a truncated cone is formed on the other side of the cylinder, and the bottom surface of the small cylinder is the upper bottom surface of the truncated cone; the small cylinder, the truncated cone and the cylinder as the original material are coaxial; and the cylinder is also provided with a guide groove which is formed by cutting through the cylinder from the outer surface to the axis in the axial direction of the cylinder. By means of the energy conversion fundamental principle during a magnetic pulse welding process, the magnetic pulse welding process can be completed instantly, energy can be precisely controlled, and good repeatability is obtained, so that mechanization and automation can be achieved easily. Welding pieces with good quality can be obtained and environmental friendliness is achieved.

Description

Technical field: [0001] The present invention relates to the improvement of magnetic pulse welding magnetic collecting device. By changing the structure of the magnetic collecting device, the welding of special-shaped pipe fittings and pipe fittings to be welded is realized. The present invention belongs to the field of special welding tool design. Background technique: [0002] For the change of the tooling position of the magnetic pulse welding technology, the magnetic pulse welding of special structural pipe fittings cannot be effectively welded. At the same time, in order to improve the quality of magnetic pulse welded joints, a large amount of energy must be supplied to increase the bonding length, but the large energy causes an increase in the overall impact velocity, which in turn causes the formation of compounds. Therefore, it is necessary to increase the joint length of the joint, but also try to avoid the generation of intermetallic compounds at the interface. ...

Claims

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Application Information

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IPC IPC(8): B23K20/06B23K20/26
Inventor 陈树君刘恺洛黄宁蒋晓青卢振洋
Owner BEIJING UNIV OF TECH
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