High-precision end-tooth automatic dividing device for gear grinding machine

An automatic indexing and gear grinding machine technology, which is applied in gear tooth manufacturing devices, gear cutting machines, gear teeth, etc., can solve the problems of structure and performance differences, unsuitable for gear grinding machine assembly and use, etc., and achieve the effect of high degree of automation

Inactive Publication Date: 2010-04-21
DALIAN UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Due to the difference in structure and performance, the existing end tooth indexing devices or oth

Method used

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  • High-precision end-tooth automatic dividing device for gear grinding machine
  • High-precision end-tooth automatic dividing device for gear grinding machine
  • High-precision end-tooth automatic dividing device for gear grinding machine

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below in conjunction with technical solutions and accompanying drawings.

[0021] The function of the present invention is the same as the original indexing system of the machine tool, all of which are to realize the indexing of the grinding teeth, and the difference is the precision indexing element and the installation position in the indexing system. In the present invention, the tooth plate at the grab end of the precision indexing element is close to the workpiece to be ground, and the torsional deformation of the shaft has little influence on the indexing accuracy; while the indexing plate in the original machine tool is far away from the workpiece to be ground, the torsional deformation of the shaft has little effect on the indexing accuracy. Accuracy is greatly affected. In addition to the characteristics of the end gear plate itself, the indexing device has the highest indexing accuracy a...

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Abstract

The invention discloses a high-precision end-tooth automatic dividing device for a gear grinding machine, belonging to the technical field of gears and gear cutter precision manufacture techniques. The high-precision end-tooth automatic dividing device is characterized in that a pair of end-tooth discs is designed according to the shafting structure of a main processing shaft of the gear grinding machine, a fixed end-tooth disc is fixed on an outer shaft sleeve of the main processing shaft of the gear grinding machine, and a movable end-tooth disc is fixed on a main shaft; a radial cam of an original machine tool dividing system is modified into an end-surface cam to drive the separation and reunion of the end-tooth discs; a geneva mechanism and a dividing change gear of the original machine tool dividing system drive the rough division of the movable end-tooth disc, or a stepping motor respectively drives the separation and reunion and the rough division of the movable end-tooth disc, thus the automation degree is high; the dividing precision of the end-tooth discs achieves +/-0.2 under a free state after the end-tooth discs are arrayed and mutually abraded, the dividing precision of the end-tooth discs achieves +/-1 to +/-3 after the end-tooth discs are combined on a machine tool, and the positioning repeated precision meets +/-0.1 so as to meet the requirements of a gear or a gear cutter which is processed with 1-grade tooth pitch precision.

Description

technical field [0001] The invention belongs to the technical field of precision manufacturing of gears and gear cutters, and relates to the development of a high-precision end gear automatic indexing device based on the characteristics of high combined indexing accuracy of the end tooth disc and the structure of the spindle shaft system processed by the gear grinding machine. A technology to improve the pitch accuracy of the ground gear or gear tool. Background technique [0002] Among the grinding methods of gears, the large-plane grinding wheel grinding method can obtain higher grinding precision, which is a processing method commonly used for standard gears at home and abroad. Most of the indexing systems of large plane grinding wheel gear grinding machines adopt positioning claw-indexing plate indexing system, and the indexing accuracy mainly depends on the machining accuracy of the tooth groove of the indexing plate. The manufacturing accumulative deviation of the too...

Claims

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Application Information

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IPC IPC(8): B23F23/08
Inventor 王立鼎凌四营王晓东马勇娄志峰
Owner DALIAN UNIV OF TECH
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