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Surface-grinding machine built-in grinding wheel spindle motor

A technology of spindle motor and surface grinder, applied in electrical components, electromechanical devices, electric components, etc., can solve problems such as inability to ensure accurate transmission ratio, unfavorable angle of grinding head of grinder, loss of belt drive efficiency, etc. The range of the head angle, the improvement of the application surface, the effect of avoiding safety accidents

Inactive Publication Date: 2012-03-28
XIAN HESHENG POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are two traditional drive methods for the grinding wheel spindle of a surface grinder. One is that the output shaft of the motor drives the belt to drive the spindle of the grinder to rotate through the pulley. This system has a complex structure, which is not conducive to the grinding head rotation angle of the grinder. Belt drive is prone to slipping and cannot guarantee accurate transmission ratio
The other is the direct drive of the rear asynchronous motor. The asynchronous motor has the defects of large volume and low power density.

Method used

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  • Surface-grinding machine built-in grinding wheel spindle motor
  • Surface-grinding machine built-in grinding wheel spindle motor

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Embodiment Construction

[0016] Such as figure 1 The shown built-in grinding wheel spindle motor of a surface grinder includes a housing 3, a spindle 10, a permanent magnet rotor assembly 6, a stator assembly 5, an encoder 8, a front end cover 2 and a rear end cover 9. The spindle 10 passes through a bearing 4 and the second bearing 7 are arranged inside the housing 3. The stator assembly 5 is arranged on the inner side wall of the housing 3 and is located in the middle position of the housing 3. The permanent magnet rotor assembly 6 is mounted on the main shaft 10, and the front end cover 2 is installed at the front end of the housing 3, the rear end cover 9 is installed at the rear end of the housing 3, the encoder 8 is installed at the rear end of the main shaft 10 and the encoder 8 is connected to an external drive, the main shaft 10 It protrudes from the front end cover 2, and a grinding wheel head 11 is arranged on the protruding part of the main shaft 10, and the grinding wheel head 11 occupies ...

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Abstract

The invention discloses a surface-grinding machine built-in grinding wheel spindle motor. The motor comprises a shell, a spindle, a permanent rotor assembly, a stator assembly, an encoder, a front end cover and a rear end cover. The spindle is arranged in the shell through a first bearing and a second bearing; the stator assembly is arranged at a side wall in the shell and at a middle position of the shell; the permanent rotor assembly is mounted on the spindle, the front end cover is mounted on a front end of the shell, and the rear end cover is mounted on a rear end of the shell; and the encoder is mounted on the rear end of the spindle and connected with an external driver, the spindle extends out of the front end cover, and an extending part on the spindle is provided with a grinding wheel head which is a half of the length of the spindle extending part. The motor provided by the invention has a small volume, enlarges the turn angle range of the grinding head and promotes the application of the surface-grinding machine.

Description

Technical field [0001] The invention relates to a spindle motor, in particular to a built-in grinding wheel spindle motor of a surface grinder. Background technique [0002] There are two traditional driving methods for the grinding wheel spindle of a surface grinder. One is that the motor output shaft drives the belt to drive the grinding machine spindle to rotate through the belt pulley. This system has a complicated structure and is not conducive to the angle of the grinding head of the grinder. The belt drive also has a certain efficiency loss. The belt drive is easy to slip and cannot guarantee an accurate transmission ratio. The other is the direct drive of the rear asynchronous motor, which has the defects of large volume and low power density. Summary of the invention [0003] The purpose of the present invention is to overcome the above-mentioned shortcomings in the prior art and provide a built-in grinding wheel spindle motor for a surface grinder. The volume of the in...

Claims

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Application Information

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IPC IPC(8): H02K7/14H02K5/04
Inventor 焦春生崔战斗尚立库
Owner XIAN HESHENG POWER TECH CO LTD
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