CN202317874U

CN202317874U - Hob fixing device

Info

Publication number: CN202317874U
Application number: CN201120436455XU
Authority: CN
Inventors: 胡合红
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-08
Filing date: 2011-11-08
Publication date: 2012-07-11
Anticipated expiration: 2021-11-08

Abstract

The utility model relates to a hob fixing device which comprises a hob and a tool sharpening core shaft, wherein the hob is arranged on the middle of the tool sharpening core shaft, the middle part of the tool sharpening core shaft is provided with a conical degree, and two ends of the hob on the tool sharpening core shaft are provided with a hob compressing device; the conical degree is 1 to 4000, the hob compressing device comprises gaskets, positioning gaskets and nuts, and the two ends of the hob are provided with the gaskets; and the two ends of the gaskets are provided with the positioning gaskets, and the two ends of the positioning gaskets are provided with the nuts. The hob fixing device provided by the utility model has the advantages of eliminating a chip flute accumulative pitch error generated by a gap, improving the tool sharpening precision of the front knife surface of the hob, and guaranteeing the tool sharpening quality, thereby reducing a profile error of a gear.

Description

A kind of hobboing cutter fixture

Technical field

The utility model relates to a kind of hobboing cutter fixture, and particularly a kind of hobboing cutter fixture that is used for grinding machine belongs to the tooling cost field.

Background technology

As everyone knows, gear hobbing tooth-formation of gear error depends primarily on the hobboing cutter precision.In order to reduce gear tooth noise, improve the accuracy of mesh, must reduce gear form error, improve the hobboing cutter precision.

The depth of parallelism of axially bored line in the footpath tropism of rake face and rake face and the hobboing cutter can guarantee through the adjustment hob sharpening machine.And the influence factor of the accumulative pitch error of hobboing cutter chip pocket; The off-centre of mainly being installed by machine tool accuracy, hobboing cutter (by the decision of hobboing cutter fixture), operator's technical merit etc. decides; After machine tool accuracy, operator's technical merit was confirmed, then the hobboing cutter fixture had just become to influence this main error.

General hobboing cutter fixture comprises common sharpening mandrel, pad and nut, after hobboing cutter is contained on the sharpening mandrel axle, fixes through pad and nut.This hobboing cutter fixture promptly exists the reference position error owing to exist fit clearance between hobboing cutter endoporus and the sharpening mandrel.Because the existence of reference position error, must have influence on the accumulative pitch error of chip pocket behind the hobboing cutter sharpening.The most endoporus precision of hobboing cutter of supply is on the low side in the market; Endoporus weares and teares after adding use a period of time; There is many hobboing cutters aperture overproof; General hobboing cutter fixture then can't be eliminated the fit clearance of hobboing cutter endoporus and mandrel, and the form of gear tooth that the part hobboing cutter is rolled out is poor, does not reach our instructions for use.

The utility model content

The utility model purpose is for the deficiency that overcomes prior art a kind of hobboing cutter fixture of having eliminated the chip pocket accumulative pitch error that produces because of the gap to be provided.

For achieving the above object, the technical scheme that the utility model adopts is: a kind of hobboing cutter fixture comprises hobboing cutter and sharpening mandrel; Said hobboing cutter is arranged on the pars intermedia of sharpening mandrel; The pars intermedia of said sharpening mandrel is provided with tapering; The two ends of hobboing cutter are provided with hobboing cutter and press hold down gag on the said sharpening mandrel.

Preferably, said tapering is 1:4000.

Preferably, said hobboing cutter hold down gag comprises pad, locating shim and nut; The two ends of said hobboing cutter are provided with pad; The two ends of said pad are provided with locating shim; The two ends of said locating shim are provided with nut.

Because the utilization of technique scheme, the utility model compared with prior art has advantage:

The hobboing cutter fixture of the utility model has been eliminated the chip pocket accumulative pitch error that produces because of the gap, and the sharpening precision of hobboing cutter rake face is improved, and has guaranteed grinding quality, thereby has reduced the tooth-formation of gear error.

Description of drawings

Below in conjunction with accompanying drawing the utility model technical scheme is described further:

Accompanying drawing 1 is the structural representation of the hobboing cutter fixture of the utility model;

Wherein: 1, hobboing cutter; 2, sharpening mandrel; 3, tapering; 4, pad; 5, locating shim; 6, nut.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.

Accompanying drawing 1 is the described a kind of hobboing cutter fixture of the utility model, comprises hobboing cutter 1 and sharpening mandrel 2; Said hobboing cutter 1 is arranged on the pars intermedia of sharpening mandrel 2; The pars intermedia of said sharpening mandrel 2 is provided with tapering 3; The two ends of hobboing cutter 1 are provided with hobboing cutter and press hold down gag on the said sharpening mandrel 2; Said tapering 3 is 1:4000; Said hobboing cutter hold down gag comprises pad 4, locating shim 5 and nut 6; The two ends of said hobboing cutter 1 are provided with pad 4; The two ends of said pad 4 are provided with locating shim 5; The two ends of said locating shim 5 are provided with nut 6.

The axle of the utility model owing to be provided with the semiaxis ring of one group of scalable size, when the utility model vertically is provided with, is convenient to dismounting or maintain and replace parts on shaft, and is time saving and energy saving, reduced operating personnel's working strength, and then increased production efficiency.

Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, or any to move mode dull and stereotyped described in the utility model, all drop within the utility model rights protection scope.

Claims

1. a hobboing cutter fixture comprises hobboing cutter and sharpening mandrel; Said hobboing cutter is arranged on the pars intermedia of sharpening mandrel; It is characterized in that: the pars intermedia of said sharpening mandrel is provided with tapering; The two ends of hobboing cutter are provided with hobboing cutter and press hold down gag on the said sharpening mandrel.

2. hobboing cutter fixture according to claim 1 is characterized in that: said tapering is 1:4000.

3. hobboing cutter fixture according to claim 1 and 2 is characterized in that: said hobboing cutter hold down gag comprises pad, locating shim and nut; The two ends of said hobboing cutter are provided with pad; The two ends of said pad are provided with locating shim; The two ends of said locating shim are provided with nut.