Novel hobbing fixture for shaft gear with internal spline

A hobbing jig and internal spline technology, applied in gear tooth manufacturing devices, belts/chains/gears, components with teeth, etc., to achieve smooth meshing, avoid noise, and ensure the beating effect of the gear ring

Pending Publication Date: 2017-11-17
TIANJIN TAIWEI GEAR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention aims to propose a new type of gear hobbing fixture with internal spline shaft, which is aimed at the special tooling for gear hobbing of gears with internal splines, to prevent eccentricity during gear hobbing, and the purpose is to ensure the beating of the gear ring, Improve the qualified rate, ensure the smooth meshing of the spline connection pitch circle in the use state, and effectively avoid problems such as noise and early failure of the bearing

Method used

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  • Novel hobbing fixture for shaft gear with internal spline
  • Novel hobbing fixture for shaft gear with internal spline

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Embodiment Construction

[0031] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0032] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides a new gear hobbing fixture with internal spline shaft, which comprises a base and a positioning rod integrally formed with it, the end of the positioning rod far away from the base is provided with a first thread, the base and the positioning The stepped part between the rods is detachably connected with a first positioning sleeve, and a second positioning sleeve symmetrically arranged with the first positioning sleeve is also provided through the positioning rod, and the base is also threaded with a A positioning nut, the positioning nut is threadedly engaged with the outer wall of the first positioning sleeve. A new gear hobbing fixture with internal spline shaft according to the present invention is designed for the hobbing of gears with internal splines, so that the pitch circle meshing of the spline connection in the use state is stable, preventing gear hobbing When there is eccentricity, it can effectively avoid problems such as noise and early failure of bearings, and improve the pass rate.

Description

technical field [0001] The invention belongs to the field of gear processing, and in particular relates to a novel gear hobbing fixture with an inner spline shaft. Background technique [0002] The existing gear with internal spline shaft is hobbed on the basis of the spline bottom hole. Disadvantages: 1. After the internal spline is processed, the consistency of the bottom hole is poor. Using ordinary hobbing tooling to process the product based on the bottom hole will cause the gear ring to jump too much, resulting in a lower pass rate; 2. Spline connection When in use, the meshing force of the pitch circle is generally applied, and the coaxiality between the bottom hole and the pitch circle is difficult to guarantee. The gear processed using the bottom hole as a reference has a large eccentricity under actual working conditions, which will cause noise and premature bearing. In view of the problems such as failure, in view of this situation, the present invention proposes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F23/06
CPCB23F23/06
Inventor 何伟路阔孟岩马杰李启阳宋嘉伟李俊杰
Owner TIANJIN TAIWEI GEAR
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