Pre-magnetizing system

Abstract

The invention provides a pre-magnetizing system (10). The pre-magnetizing system (10) comprises a transmission device (12), a code spurting device (14), a pressing and fixing device (16) and a magnetizing device (18); the code spurting device (14) is arranged over the transmission device (12); the pressing and fixing device (16) is arranged over the transmission device (12); furthermore, the pressing and fixing device (16) is positioned in the downstream of the code spurting device (14) corresponding to the transmission direction of the transmission device (12); and the magnetizing device (18)comprises a permanent magnet (19) arranged on the pressing and fixing device (16). The pre-magnetizing system in the invention aims to at least improve the production efficiency and the product quality.

Description

technical field [0001] The invention relates to the field of magnet processing, and more specifically, to a pre-magnetization system. Background technique [0002] NdFeB is a kind of magnet, which is different from the magnets we usually see. It has strong magnetic properties, so it is called "Magnetic King". NdFeB magnetic materials are alloys such as neodymium and iron oxide, which have extremely high magnetic energy product and intrinsic coercive force, and have the advantages of high energy density, which makes NdFeB permanent magnet materials widely used in modern industry and electronic technology. Wide range of applications. The application of NdFeB permanent magnet materials has improved the miniaturization, light weight and thinning of electroacoustic motors, instruments and meters, and magnetization equipment. NdFeB is divided into bonded NdFeB and sintered NdFeB. Bonded NdFeB has magnetism in all directions and is corrosion-resistant; sintered NdFeB is easy to c...

AI Technical Summary

Problems solved by technology

[0003] The traditional magnetization process is: code the NdFeB products one by one, the inkjet printer is independent coding, need to change the sequence; need to manually identify the direction of the NS pole mark of the product, and arrange them one by one, and the direction of the mark must be consistent ;Design a tooling again, put the stacked and arranged products into the tooling one by one (or wrap it with paper) and then magnetize; put the tooling with the products into the magnetizer for saturation magnetization, and there will be gaps when the products are stacked and arranged , There will be collisions during magnetization, which is prone to edge knocking and affects product quality; the magnetization power supply is set in the magnetization coil, and the pulse magnetic field is used for magnetization. The original magnetization power supply needs to charge the capacitor, and then pulse discharge magnetization. It will be more expensive

The existing magnetization technology has low production efficiency, manual operation is more prone to errors and omissions, and the marking direction is easy to be mistaken, which is not only time-consuming and labor-intensive, but also low in efficiency

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