CN209414551U

CN209414551U - A kind of gear structure convenient for face work

Info

Publication number: CN209414551U
Application number: CN201822210737.2U
Authority: CN
Inventors: 陈干
Original assignee: CHONGQING XINGJI GEAR Co Ltd
Current assignee: CHONGQING XINGJI GEAR Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-09-20
Anticipated expiration: 2028-12-26

Abstract

The utility model belongs to gear machining technology field, a kind of gear structure convenient for face work is specifically disclosed, including the blank for making gear, several through-holes are offered on blank, two end faces of the blank offer annular deep gouge, and the through-hole is respectively positioned in annular deep gouge.This programme solves the problems, such as when the processing of end face that interrupted cut leads to that working efficiency is low, cutter rapid wear, realizes the Continuous maching of end face, improves working efficiency, improve cutting-tool's used life.

Description

A kind of gear structure convenient for face work

Technical field

The utility model belongs to gear machining technology field more particularly to a kind of gear structure convenient for face work.

Background technique

For main reduction driven gear, the connection structure being screwed is mostly used greatly now, usually require in positioning surface 8-12 location hole and lightening hole in varying numbers.Since the requirement of positioning end face is relatively high, after generally using heat treatment, need The technique for carrying out hard face work, due to location hole and lightening hole and hardness is relatively high (HRC58-62), causes In processing, it can pause when passing through location hole or lightening hole every time, continuously gear face can not be processed, it can only Interrupted processing, processing efficiency are very low；And cutter crushing knife and frequent tool changing in order to prevent, it needs using the higher knife of hardness Tool, processing cost are high.

Utility model content

The purpose of this utility model is to provide a kind of gear structures convenient for face work, interrupted when solving end face processing The problem of cutting leads to low working efficiency, cutter rapid wear.

In order to achieve the above object, the base case of the utility model are as follows: a kind of gear structure convenient for face work, including For making the blank of gear, several through-holes are offered on blank, two end faces of the blank offer annular deep gouge, institute Through-hole is stated to be respectively positioned in annular deep gouge.

The working principle and beneficial effect of this base case are: this programme offers annular deep gouge on blank, and Annular deep gouge surrounds all through-holes, so that cutter can be respectively to positioned at ring in the technique of subsequent face work The end face of outside is processed in shape deep gouge, cutter can be made to avoid the contact between through-hole in process, in turn It can pause to avoid when tool sharpening in through hole, enable continuously to carry out when cutter face work, improve processing effect Rate；A biggish power can be generated to cutter when usual cutter face work process interrupt is continuous and through-hole contacts, cutter be made to be easy hair Raw crushing knife, fracture etc., this programme then avoids cutter and contacts with the direct of through-hole, and then avoids the above problem, improves knife The service life of tool need not also select the very high cutter of hardness, reduce production cost.

Further, the through-hole is lightening hole or location hole.The through-hole being set on blank is usually location hole, is realized The accurate positioning of gear；And in order to mitigate the weight of entire gear, some through-holes can be also opened up on gear, these through-holes are to subtract Repeated hole.

Further, the through-hole is uniformly distributed on same circumference.Convenient for the setting of annular deep gouge, make the width of annular deep gouge Spend it is not too large, it is easy to process.

Further, two end faces of the blank are reserved with 0.3-0.5 millimeters of hard vehicle surplus, the annular deep gouge Depth is equal to hard vehicle surplus.It is operated convenient for subsequent hard vehicle.

Detailed description of the invention

Fig. 1 is the top view of the embodiment of the present invention；

Fig. 2 is the cross-sectional view of A-A in Fig. 1.

Specific embodiment

It is further described below by specific embodiment:

Appended drawing reference in Figure of description includes: blank 1, through-hole 2, annular deep gouge 3.

Embodiment is basic as shown in attached drawing 1, Fig. 2: a kind of gear structure convenient for face work, including for making gear Blank 1, blank 1 is processed to obtain by blank by techniques such as rough turn, smart car, gear shaping, gear hobbing and chamfered edges, if offering on blank 1 Dry through-hole 2, through-hole 2 is lightening hole or location hole, and several through-holes 2 are located on same circumference, and the circumference and blank 1 are the same as circle The heart.0.3-0.5 millimeters of hard vehicle surplus is reserved in the both ends of the surface of blank 1.Annular is offered on the end face at 1 both ends of blank Deep gouge 3, annular deep gouge 3 cover several through-holes 2, that is, annular deep gouge 3 is located on the circumference at several 2 places of through-holes, and annular is heavy The distance between two side walls of slot 3 are greater than the diameter of through-hole 2, and the midpoint between two side walls is overlapped with the center of circle of through-hole 2, The depth of annular deep gouge 3 is equal to the hard vehicle surplus of end face.The annular deep gouge 3 is processed in smart car technique, and annular is heavy During slot 3 completes the process, then in annular deep gouge 3 through-hole 2 is drilled out, is then just formed at this time after the processes such as Overheating Treatment ball blast Blank 1 then carries out hard vehicle to the both ends of the surface of blank 1 again, to process satisfactory positioning end face, in hard vehicle process middle ring The thickness of shape deep gouge 3 is gradually reduced, and annular deep gouge 3 is eliminated after the completion of hard vehicle.

The working principle of this programme and the utility model has the advantages that this programme offers out annular deep gouge 3, and annular on blank 1 Deep gouge 3 covers all through-holes 2, so that cutter can be annular to being located at respectively in the technique of subsequent face work The end face of outside is processed in deep gouge 3, cutter can be made to avoid the contact between through-hole 2 in process, can be with It avoids pausing at through-hole 2 when tool sharpening, enables continuously to carry out when cutter face work, improve processing efficiency； A biggish power can be generated to cutter when usual cutter face work process interrupt is continuous and through-hole 2 contacts, cutter be made to be easy to happen Crushing knife, fracture etc., this programme then avoids cutter and contacts with the direct of through-hole 2, and then avoids the above problem, improves cutter Service life, need not also select the very high cutter of hardness, reduce production cost.

Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.

Claims

1. a kind of gear structure convenient for face work, it is characterised in that: including the blank for making gear, offered on blank Two end faces of several through-holes, the blank offer annular deep gouge, and the through-hole is respectively positioned in annular deep gouge.

2. a kind of gear structure convenient for face work according to claim 1, it is characterised in that: the through-hole is lightening hole Or location hole.

3. a kind of gear structure convenient for face work according to claim 2, it is characterised in that: the through-hole is uniformly distributed In on same circumference.

4. a kind of gear structure convenient for face work according to claim 3, it is characterised in that: two ends of the blank Face is reserved with 0.3-0.5 millimeters of hard vehicle surplus, and the depth of the annular deep gouge is equal to hard vehicle surplus.