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Internal grinding electric spindle

A technology of electric spindle and internal cylindrical grinding, which is applied to the parts of grinding machine tools, grinding/polishing equipment, metal processing equipment, etc., and can solve the limitations of machining accuracy, production efficiency and equipment performance, complex transmission structure, and large machine space and other issues to achieve the effect of improving machining accuracy and production efficiency, fast response and good dynamics

Inactive Publication Date: 2013-05-22
ANYANG SIPU MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently used spindle structures all have the defects of complex transmission structure, slow response speed, and large space occupation of machine tools, which are limited in machining accuracy, production efficiency and equipment performance.

Method used

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  • Internal grinding electric spindle
  • Internal grinding electric spindle

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Embodiment

[0025] see figure 1 , in the figure, the electric spindle for internal grinding of the present invention includes a housing 1, a motor, a rotor shaft 2 and a rotor shaft support structure, a motor is installed in the housing, and the motor includes stator components that are fitted together from outside to inside 3 and the rotor part 4, the rotor part is sleeved on the rotor shaft, an inner water jacket 5 is arranged in the cavity between the housing and the stator part, a rear cover 6 is fixedly installed on the rear end of the housing, and the rear cover Water inlet and outlet nozzles 7 and 8 and oil inlet and outlet nozzles 9 and 10 are arranged on the outer end surface. The inlet and outlet nozzles communicate with the inner water jacket, and the inlet and outlet nozzles communicate with the rotor shaft support structure.

[0026] The rotor shaft support structure includes bearings 11 and 12 respectively set on the front and rear ends of the rotor shaft, front and rear be...

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Abstract

The invention belongs to the technical field of high speed internal grinding machines, and particularly relates to an internal grinding electric spindle. The internal grinding electric spindle comprises a shell, a motor, a rotor shaft and a rotor shaft supporting structure, wherein the motor is arranged inside the shell, the motor comprises a stator part and a rotor part which are arranged together in a sleeved mode from outside to inside, the rotor part is arranged on the rotor shaft in a sleeved mode, an internal water sleeve is arranged inside a cavity between the shell and the stator part, a back cover is fixedly arranged on the back end face of the shell, a water inlet mouth, a water outlet mouth, an oil inlet mouth and an oil outlet mouth are arranged on the external end face of the shell, the water inlet mouth and the water outlet mouth are communicated with the internal water sleeve, and the oil inlet mouth and the oil outlet mouth are communicated with the rotor shaft supporting structure. The internal grinding electric spindle has the advantages of being compact in structure, light in size, small in inertia, simple and convenient to install, quick in response, small in transmission error, low in noise, good in stability, and capable of saving both time and labor, improving machining precision and production efficiency, and suitable for popularization and implementation.

Description

technical field [0001] The invention belongs to the technical field of high-speed internal grinding machines, in particular to an electric spindle for internal grinding. Background technique [0002] The main shaft is the key component of the CNC machine tool, mostly based on a purely mechanical transmission structure. The external motor indirectly transmits power to the main shaft of the machine tool through belts, gears and other transmission methods, so as to realize the rotation function of the main shaft. The currently used spindle structures all have the defects of complex transmission structure, slow response speed, and large space occupation of the machine tool, which are limited in machining accuracy, production efficiency and equipment performance. Therefore, it is very necessary to adjust and optimize the spindle structure, improve machining accuracy and production efficiency, improve the dynamic balance of the machine tool, and reduce vibration and noise. Conte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B41/04
Inventor 李文清张继祝李安玲张静娟鲁红卫
Owner ANYANG SIPU MACHINERY
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