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Magnetofluid hydraulic grinding wheel and controllable finishing processing method

A finishing process and magnetic fluid technology, applied in the direction of bonded grinding wheel, metal processing equipment, manufacturing tools, etc., can solve the problems of difficult adjustment of the size of the processing area, poor processing quality, low processing efficiency, etc., and achieve obvious magneto-rheological effect , improve the processing quality, good versatility

Pending Publication Date: 2019-08-02
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a magnetic fluid hydraulic grinding wheel suitable for complex cavity surface finishing. By adjusting the viscoelastic parameters of the magnetic fluid, the controllable finishing process can be performed on the surface of the mold cavity to solve the current problem. The processing efficiency of precision molds is low, the size of the processing area is difficult to control, and the processing quality is poor

Method used

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  • Magnetofluid hydraulic grinding wheel and controllable finishing processing method
  • Magnetofluid hydraulic grinding wheel and controllable finishing processing method
  • Magnetofluid hydraulic grinding wheel and controllable finishing processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] combine figure 1 , figure 2 , Image 6 , a magnetic fluid hydraulic grinding wheel, which is connected to the main shaft 1 of the machine tool, including a spherical crown grinding wheel 7, a grinding wheel base 3, and a magnetic field generating device;

[0043]The grinding wheel base 3 is connected to the main shaft 1, and the grinding wheel base 3 is provided with a magnetic field generating device and a spherical crown grinding wheel 7, and a magnetic fluid is sealed between the spherical crown grinding wheel 7 and the grinding wheel base 3, and the spherical crown grinding wheel 7 is a flexible rubber-based diamond Grinding wheel; a fastening ring 4 is also provided between the spherical crown grinding wheel 7 and the grinding wheel base 3 . Based on Pascal's law, after the magnetic fluid is squeezed by the workpiece 8, the internal static pressure will be transferred to the entire surface of the workpiece 8 in contact with the spherical crown grinding wheel 7, ...

Embodiment 2

[0056] In combination with Example 1 and figure 2 , image 3 , Figure 4 , The difference from Embodiment 1 is that in this embodiment, the installation and layout of the hydraulic grinding wheel and the main shaft 1 are different. In this embodiment, the hydraulic grinding wheels are evenly distributed around the main shaft 1, and the spherical crown grinding wheels 7 of multiple hydraulic grinding wheels form an annular abrasive belt. At the same time, the spherical crown grinding wheel 7 of the hydraulic grinding wheel is in the shape of a fan-shaped plate, and a plurality of spherical crown grinding wheels 7 in the shape of a fan-shaped plate form an annular grinding wheel.

Embodiment 3

[0058] In combination with Example 1 and figure 2 , image 3 , Figure 4 , Figure 5 , the difference with embodiment 2 is that, in addition to forming the annular grinding wheel, the hydraulic grinding wheel in the annular grinding wheel can rotate, and the present embodiment also includes the following parts;

[0059] The rotating motor 12 is fixedly arranged on the main shaft 1 and is used to drive the hydraulic grinding wheel. At this time, the end face of the spherical crown grinding wheel 71 of the hydraulic grinding wheel is an arc surface;

[0060] A planetary gear 13, one end is connected with the drive shaft of the rotating electrical machine 12, and the other end is meshed with the axial internal teeth of the ring gear 14;

[0061] The ring gear 14, its inner ring side wall is provided with the axial inner teeth meshed with the planetary gear 13, its lower end surface (from Figure 5 Seen from the middle direction) is provided with a face gear matching with the...

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Abstract

The invention discloses a magnetofluid hydraulic grinding wheel and belongs to the technical field of mold finishing processing and grinding wheel manufacturing. The magnetofluid hydraulic grinding wheel is connected to a spindle and comprises a spherical crown grinding wheel, a grinding wheel substrate and a magnetic field generating device. The grinding wheel substrate is connected to the spindle, the magnetic field generating device and the spherical crown grinding wheel are arranged on the grinding wheel substrate, a magnetofluid is sealed between the spherical crown grinding wheel and thegrinding wheel substrate, and the spherical crown grinding wheel is a flexible rubber-based diamond grinding wheel; and a fastening ring is also arranged between the spherical crown grinding wheel and the grinding wheel substrate. The invention provides the magnetofluid hydraulic grinding wheel suitable for finishing processing of a complex cavity surface. By adjusting the viscoelastic parametersof the magnetofluid, controllable finishing processing of the surface of a mold cavity can be achieved, so that the problem that the area of a processing region in an existing precision mold processing course is hard to adjust is solved.

Description

technical field [0001] The invention belongs to the technical field of mold finishing and grinding wheel manufacturing, and in particular relates to a magnetic fluid hydraulic grinding wheel and a controllable finishing method. Background technique [0002] Mold is the core of modern industry and one of the important symbols to measure a country's manufacturing level. With the development of society and the advancement of science and technology, the requirements for the surface quality of molds are becoming increasingly stringent, and a large number of complex precision molds are emerging, and their surface shapes are becoming more and more complex, and the requirements for roughness are getting higher and higher. It is an inevitable requirement of modern industrial production to research and develop new finishing technology with wide application, high processing efficiency and high processing precision. [0003] During the processing of precision molds from blanks to finis...

Claims

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Application Information

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IPC IPC(8): B24D7/02B24D7/10B24D7/16B24D7/18B24B19/20B24B41/04B24B1/00
CPCB24D7/02B24D7/10B24D7/16B24D7/18B24B19/20B24B41/04B24B1/00
Inventor 朱科军张高峰周友行徐志强张魁周后明郭怀仲
Owner XIANGTAN UNIV
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