Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation

A technology of magnetic grinding and ring magnetic field, which is applied in the field of magnetic grinding processing, can solve the problems of difficulty in guaranteeing processing quality, high labor intensity, and low efficiency, and achieve strong adaptability, reduce processing costs, and improve efficiency and quality.

Active Publication Date: 2014-03-05
HUNAN UNIV
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Problems solved by technology

[0003] Traditional manual processing methods are not only inefficient, labor-intensive, and difficult t...

Method used

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  • Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation
  • Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation
  • Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation

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Embodiment Construction

[0031] A magnetic grinding processing device excited by a ring magnetic field, such as figure 1 and 2 Shown, its flange shaft 25 can directly be connected with common vertical drill, milling machine main shaft, by fixture (by bolt 16,17,18, baffle plate 19, pressing plate 21,22,30,31, spring 20, adjustment block 23 , The clamp body 24 etc.) can realize that the workpiece is connected with the main shaft of the machine tool, and the workpiece is driven to make up and down feed motion and rotary motion, so that the workpiece moves relative to the annular magnetic grinding brush. Before processing, multiple workpieces are clamped to each station of the special fixture with different postures (the difference in loading angle is 180°), and then the clamp body is connected to the flange shaft 25, and the flange shaft 25 is then connected to the machine tool spindle; Magnetic abrasives are added to the grinding tank 14 . During processing, the spindle of the machine tool is fed ver...

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Abstract

The invention discloses a magnetic abrasive finishing processing method and device of toroidal magnetic field excitation. The magnetic abrasive finishing device is mainly composed of an excitation system and a clamp body. The excitation system comprises an upper magnet yoke and a lower magnet yoke. An inner hole is formed in the center of the upper magnet yoke, a magnetic pole is arranged in the inner hole, an annular air gap is formed between the magnetic pole and the upper magnet yoke, and a non-magnetic grinding groove used for containing magnetic grinding materials is formed. The magnetic pole and the lower magnet yoke are connected through a middle iron core, and the middle iron core is sleeved with a middle coil. The upper magnet yoke and the lower magnet yoke are connected through outer iron cores, and each outer iron core is sleeved with an outer coil. After the middle coil and the outer coils are powered on, the magnetic grinding materials form an annular magnetic abrasive finishing brush under the action of magnetic force. A workpiece rotates relative to the magnetic abrasive finishing brush, and magnetic abrasive finishing can be achieved. Automatic precise finishing is achieved on various complex parts, and compared with manual processing, efficiency and quality are improved, and processing cost is lowered.

Description

technical field [0001] The invention relates to the technical field of magnetic grinding processing, in particular to a magnetic grinding processing method and device for ring magnetic field excitation. Background technique [0002] The all-round, automatic, mass-scale precision grinding of various special-shaped small parts (such as screws, bolts, small shaft parts, etc.) and complex workpieces (such as spectacle frames, etc.) has always been a problem that plagues the industry. For such parts, the traditional grinding method is generally pure manual, or manual use of polishing wheels with special consumables (such as cloth wheels, polishing wax, etc.) to polish the parts. [0003] The traditional manual processing method is not only inefficient, labor-intensive, and difficult to guarantee the processing quality, it has become increasingly difficult to adapt to modern production methods. Contents of the invention [0004] In order to overcome the deficiencies of existing...

Claims

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Application Information

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IPC IPC(8): B24B37/00B24B37/34B24B37/27
CPCB24B1/005
Inventor 尹韶辉王永强龚胜徐志强陈逢军耿军晓
Owner HUNAN UNIV
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