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Polishing method and polishing device based on magnetic composite fluid

A technology of polishing device and magnetic body, which is applied in the direction of grinding drive device, grinding/polishing equipment, surface polishing machine tool, etc. It can solve the problems of low finish and difficult polishing of pipe fittings, and achieve good polishing effect, convenient processing, Easy to clean effect

Pending Publication Date: 2020-10-30
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a polishing method and polishing device based on magnetic composite fluid, so as to overcome the defects of difficult polishing of pipe fittings and low finish

Method used

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  • Polishing method and polishing device based on magnetic composite fluid
  • Polishing method and polishing device based on magnetic composite fluid

Examples

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Effect test

no. 1 example

[0029] In view of the difficulty in polishing small-diameter pipe fittings, this embodiment provides a polishing method based on magnetic composite fluid, including the following steps:

[0030] refer to figure 1 , firstly, set the tubular body to be polished, and put abrasives into it from the end face of the tubular body, the abrasives include magnetic fluid and abrasive grains; then set the magnetic field, the tubular body is located in the magnetic field, and the paramagnetic fine powder in the magnetic fluid moves Magnetized in the direction of the magnetic force line, and arranged along the direction of the magnetic force line, forming a magnetic chain brush with a solid shape and a certain rigidity attached to the inner surface of the tubular body; abrasive particles are clamped on the top and bottom of the magnetic chain brush under the action of the magnetic field , keeping relatively fixed with the magnetic chain brush; as the magnetic chain brush rolls inside the tu...

no. 2 example

[0035] The difference between this embodiment and the first embodiment is that the rolling of the flux-linkage brush inside the tubular body is realized by setting a magnetic field in which the magnetic lines of force change. Since the magnetic chain brushes are arranged along the direction of the magnetic force lines, when the magnetic field lines of the magnetic field change, the magnetic chain brush arrangement direction changes at the same time, and relative movement occurs between the abrasive grains and the inner wall of the tubular body, thereby realizing the polishing of the inner wall of the tubular body by the abrasive grains.

[0036] In order to improve the tumbling strength and polishing effect of the magnetic chain brush inside the tubular body, the methods for realizing the rolling of the magnetic chain brush in the first embodiment and the second embodiment can be combined, that is, the rotating tubular body is placed in a magnetic field where the magnetic force ...

no. 3 example

[0039] On the basis of the first embodiment and the second embodiment, the magnetic chain brush in this embodiment can move repeatedly in the tubular body along the axis of the tubular body. Through the movement of the magnetic chain brush inside the tubular body, the magnetic chain brush can polish every part of the inner wall of the tubular body it passes through, so as to optimize the polishing effect of the abrasive on the tubular body; and through the movement of the magnetic chain brush inside the tubular body The reciprocating movement enables the magnetic chain brush to repeatedly polish the inner wall of the tubular body, improving the polishing accuracy and smoothness of the inner wall of the tubular body.

[0040] The method for the magnetic chain brush to reciprocate along the axial direction of the tubular body is to set a driving part, the driving part is connected with the magnetic body and / or the tubular body, and drive the magnetic body and the tubular body to ...

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Abstract

The invention relates to a polishing method and a polishing device based on magnetic composite fluid. The polishing method comprises the steps of arranging a to-be-polished tubular body, adding abrasive into the tubular body, and arranging a magnetic field to enable the magnetic fluid to form a magnetic chain brush and roll relative to the inner wall of the tubular body; the polishing device comprises the tubular body, a first driving element and a magnetic body; the tubular body rotates on the basis of the axis of the tubular body; the magnetic fluid and abrasive particles are arranged in thetubular body; and the magnetic fluid forms the magnetic chain brush under the action of the magnetic field, the abrasive particles are held at the top end and the lower portion of the magnetic chainbrush, and in the process that the magnetic chain brush rolls in the tubular body, the abrasive particles and the inner wall of the tubular body generate relative motion, so that the inner wall of thetubular body is polished. The polishing method and the polishing device are not limited by the aperture size of the tubular body and the internal structure of the tubular body, a good polishing effect is achieved, cleaning is facilitated, and processing is convenient and fast.

Description

technical field [0001] The invention relates to the technical field of polishing and automatic processing, in particular to a polishing method and a polishing device based on a magnetic composite fluid. Background technique [0002] With the development of industrial production and technology, aerospace, medical equipment and military industries have continuously improved the precision of workpieces, especially high-precision pipe fittings, which have high requirements for the roughness of the inner wall and outer surface of the pipe fittings. [0003] In traditional processing methods, polishing is generally used to reduce the roughness of the workpiece to make the surface of the workpiece smoother and meet the needs of the workpiece. Due to the limitation of the use environment, the aperture of many pipe fittings is small, it is difficult for ordinary tools to intervene, it is difficult to polish, and the roughness of the inner wall of the workpiece cannot be guaranteed. ...

Claims

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Application Information

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IPC IPC(8): B24B1/00B24B31/10B24B31/12B24B31/14B24B41/06B24B47/12
CPCB24B1/005B24B31/10B24B31/12B24B31/14B24B41/062B24B47/12
Inventor 吴勇波薛玉峰
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA