Magnetic steel blank forming device
A technology for forming devices and blanks, applied in electrical components, inductance/transformer/magnet manufacturing, circuits, etc., can solve the problems of poor toughness, easy damage, and reduced service life of magnetic steel, and achieve the effect of external sturdiness
Active Publication Date: 2018-02-23
嘉兴市鹏程磁钢有限公司
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Problems solved by technology
In the production process of a special-shaped magnetic steel, because the magnetic steel needs to be installed in a specific position, its shape is irregular, and the toughness of the magnetic steel is poor, it is easy to be damaged during the operation of the equipment, and the service life is reduced
Method used
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[0015] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with illustrations and specific embodiments.
[0016] Such as figure 1 , figure 2As shown, the magnetic steel blank forming device proposed by the present invention includes a base plate 1, with side positioning grooves 2 at both ends of the base plate, and a middle positioning groove 3 in the middle of the base plate. Extending, the side positioning groove and the middle positioning groove are recessed toward the inside of the substrate, and a pair of side support plates 4 are arranged above the substrate. The positioning holes run through both sides of the substrate, and the positioning bolts pass through the positioning holes to fix the side support plates in the side positioning grooves. There is a middle support plate 5 between the side support plates. The middle supp...
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The invention provides a magnetic steel blank forming device. According to the magnetic steel blanket forming device, magnetic steel powder is shaped by adopting a shell; while pressing is carried outthrough a pressing plate, the powder is preheated through electric heating so that the powder and the shell can be preliminarily combined; an annular ring at the bottom of the shell is located in a circular supporting groove, and due to the fact that the contact area is small, a part of the powder can be leaked out so that the effect that the magnetism of a product can be influenced because the powder is pressed too tightly can be avoided; the powder can be loaded into the shell repeatedly until the pressing combining state of the powder meets a requirement; and finally, the shell and the powder are put into a sintering device for sintering treatment so that the magnetism of the interior of a magnetic steel can be guaranteed, and meanwhile, the purpose of firmness of the exterior can be achieved.
Description
technical field [0001] The invention relates to magnetic steel production equipment, in particular to a magnetic steel blank forming device. Background technique [0002] Sintered NdFeB permanent magnet materials have excellent magnetic properties and are widely used in electronics, electrical machinery, medical equipment, toys, packaging, hardware machinery, aerospace and other fields. The more common ones are permanent magnet motors, speakers, magnetic separators, Computer disk drives, magnetic resonance imaging equipment instruments, etc. The sintering of NdFeB means that in order to further improve the performance and usability of the magnet, improve the contact properties between powders, increase the strength, and make the magnet have high-performance microstructure characteristics, it is necessary to heat the green body below the melting point of the powder matrix phase. temperature and keep it warm for a period of time. [0003] After powder compaction, the bonding...
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IPC IPC(8): B22F3/20H01F41/02
Inventor 陈立展
Owner 嘉兴市鹏程磁钢有限公司