CN206289276U - A kind of internal spline machining tool and system of processing - Google Patents
A kind of internal spline machining tool and system of processing Download PDFInfo
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- CN206289276U CN206289276U CN201621304578.7U CN201621304578U CN206289276U CN 206289276 U CN206289276 U CN 206289276U CN 201621304578 U CN201621304578 U CN 201621304578U CN 206289276 U CN206289276 U CN 206289276U
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- internal spline
- machining tool
- splined hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a kind of internal spline machining tool, including for the inductor to being heated at internal splined hole key teeth and for the interior cooling spray that cooling medium is sprayed at internal splined hole key teeth, also including for the outer cooling spray to spraying cooling medium at internal splined hole lateral surface.In the internal spline machining tool, in the cooling stage of quenching, interior cooling spray is not use only, additionally use outer cooling spray, so that key teeth root not only can carry out heat exchange cooling by interior cooling spray ecto-entad, can also by outer cooling spray from inside to outside carry out heat exchange cooling, then key teeth root cooldown rate is greatly improved, so that the cooldown rate of key teeth root tends to identical with tooth crest cooldown rate, then preferably quenching layer is obtained, so inhomogeneous cooling even problem when the quenching layer that the internal spline machining tool can efficiently solve internal spline is cooled down.The invention also discloses a kind of internal spline system of processing including above-mentioned internal spline machining tool.
Description
Technical field
The utility model is related to machining technology field, more specifically to a kind of internal spline machining tool, also relates to
And a kind of internal spline system of processing including above-mentioned internal spline machining tool.
Background technology
Construction machinery industry application is more and more extensive, there is good development prospect at present.Wherein there is a splined shaft, its flower
Key is internal spline, i.e., one end of splined shaft is provided with interior blind hole, and the side wall of interior blind hole is provided with key teeth.This splined shaft is general
Manufactured using medium carbon steel, its spline position requires impewdance matching, so that spline obtains case hardness fatigue high, wear-resisting and good by force
The superior function of degree etc..
In the prior art, have preferable service life to ensure key axle, and a preferably matching relationship, normally only need by
One layer of blind hole inner side is quenched, and mode of heating during quenching is heated by inductor.And typically pass through in cooling stage
To water at low temperature is sprayed into blind hole, to carry out fast cooling.
But studied for a long period of time discovery by inventor, because the unique texture of spline, key teeth substantially protrudes root, and key teeth
Increment it is more tapering, when fast cooling is carried out, the cooldown rate at the top of key teeth is much higher than the cooling speed of key teeth root
Rate, and then cause the root cooling effectiveness of key teeth in practice not enough, and the root of key teeth is easy to make with top cooling deficiency
Into key teeth deformation, and then it is logical only unqualified to easily cause spline.
In sum, inhomogeneous cooling even problem when the quenching layer for how efficiently solving internal spline is cooled down, is current sheet
Art personnel's urgent problem.
Utility model content
In view of this, first purpose of the present utility model is to provide a kind of internal spline machining tool, and the internal spline adds
The even problem of inhomogeneous cooling, second mesh of the present utility model when the quenching layer that work instrument can efficiently solve internal spline is cooled down
Be to provide a kind of internal spline system of processing including above-mentioned internal spline machining tool.
In order to reach above-mentioned first purpose, the utility model provides following technical scheme：
A kind of internal spline machining tool, including for the inductor heated at internal splined hole key teeth and for inside
The interior cooling spray of cooling medium is sprayed at splined hole key teeth, also including for spraying the outer of cooling medium at internal splined hole lateral surface
Cooling spray.
Preferably, the outer cooling spray includes two spraying areas for being centered around splined shaft both sides respectively.
Preferably, the inductor includes inductive head and for stretching into the coil in internal splined hole.
Preferably, the spraying area is in cabochon.
Preferably, the interior cooling spray is U-shaped.
Preferably, also including the shading ring for being vacantly covered in internal splined hole end face.
A kind of internal spline machining tool that the utility model is provided, the internal spline machining tool includes inductor, interior cooling
Shower nozzle and outer cooling spray.Wherein inductor is used for being heated at internal splined hole key teeth, i.e., in the heating period pair of quenching
Internal splined hole is internally heated, wherein interior cooling spray is used for cooling medium is sprayed at internal splined hole key teeth, i.e., in quenching
Cooling stage, cools down to internal splined hole, and to spraying cooling medium at internal splined hole lateral surface, i.e., its China and foreign countries' cooling spray is used for
In the cooling stage of quenching, cooling medium is sprayed to splined hole lateral surface by outer cooling spray.
According to above-mentioned technical scheme, it is recognised that in the application internal spline machining tool, i.e., quenching internal spline
Fire, in the heating period of quenching, is heated with obtaining certain quenching layer at the key teeth using inductor to internal splined hole, with
Make to reach certain temperature at key teeth, and in the cooling stage of quenching, distinguish internal by interior cooling spray and outer cooling spray
The inside and outside side spray cooling medium of splined hole, makes internal splined hole inside and outside while being cooled down, so that overall moment is reduced to pre- constant temperature
Degree, to complete quenching.In the internal spline machining tool, in the cooling stage of quenching, interior cooling spray is not use only, also adopt
With outer cooling spray so that key teeth root not only can carry out heat exchange cooling by interior cooling spray ecto-entad, may be used also
With by outer cooling spray from inside to outside carry out heat exchange cooling, key teeth root cooldown rate is then greatly improved, with effective
Ground makes the cooldown rate of key teeth root and tooth crest cooldown rate tend to identical, preferably quenching layer is then obtained, so this is interior
Inhomogeneous cooling even problem when the quenching layer that spline machining tool can efficiently solve internal spline is cooled down.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of internal spline system of processing, the internal spline
System of processing includes any of the above-described kind of internal spline machining tool, and internal spline machining tool is used for internal spline system of processing upper spline
The internal splined hole of axle is quenched.Because above-mentioned internal spline machining tool has above-mentioned technique effect, add with the internal spline
The internal spline system of processing of work instrument should also have corresponding technique effect.
Preferably, also including being vacantly covered in the shading ring of the internal splined hole end face of the splined shaft.
Preferably, the outside of the splined shaft has and the internal splined hole end face towards consistent step surface, the screen
Cover to be provided with the outside of ring and offseted with the step surface to support the supporting leg of the shading ring.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The overlooking the structure diagram of the internal spline machining tool that Fig. 1 is provided for the utility model embodiment；
The positive structure diagram of the internal spline system of processing that Fig. 2 is provided for the utility model embodiment.
Marked in accompanying drawing as follows：
Inductor 1, interior cooling spray 2, outer cooling spray 3, shading ring 4, splined shaft 5, supporting leg 6.
Specific embodiment
The utility model embodiment discloses a kind of internal spline machining tool, cold with the quenching layer for efficiently solving internal spline
Inhomogeneous cooling even problem when but.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-Fig. 2 is referred to, the plan structure of the internal spline machining tool that Fig. 1 is provided for the utility model embodiment is illustrated
Figure；The positive structure diagram of the internal spline system of processing that Fig. 2 is provided for the utility model embodiment.
In a kind of specific embodiment, a kind of internal spline machining tool is present embodiments provided, for axial workpiece
Internal spline carries out quenching processing.The specific internal spline machining tool includes inductor 1, interior cooling spray 2 and outer cooling spray
3。
Wherein inductor 1 is used for being heated at internal splined hole key teeth, i.e., in the heating period for quenching to internal splined hole
It is internally heated, and should be guaranteed that the temperature after heating should reach hardening heat.It should be noted that wherein inductor
1 may be referred to prior art to heating stepses and method of internal splined hole.Wherein inductor 1 uses Electromagnetic Heating original
Reason, forms electromagnetic field.Specifically have, general inductor 1 includes inductive head and coil, in order to ensure more preferable heating effect,
Preferred coil is inserted into internal splined hole herein, i.e., the cross-sectional profiles of coil should be less than target internal splined hole
Cross section, to ensure that coil is inserted into target internal splined hole.
Wherein interior cooling spray 2 is used for cooling medium is sprayed at internal splined hole key teeth, i.e., in the cooling stage of quenching, internally
Splined hole is cooled down, so that internal splined hole fast cooling then completes quenching to predetermined temperature.Wherein cooling medium is generally
Quenching liquid, can also use other cooling mediums, such as clear water certainly.It should be noted that because the inner side of whole internal splined hole
Face is at high temperature, uniform in order to cool down, wherein interior cooling spray 2 preferably should spray cooling medium to surrounding, wherein interior cold
But shower nozzle 2 can be arranged to cast, and be uniformly arranged multiple delivery ports in surrounding, in order to more preferably ensure pressure medium, wherein interior
Cooling spray 2 can also set U-shaped, i.e., using U-tube.
Its China and foreign countries' cooling spray 3 is used to spraying cooling medium at internal splined hole lateral surface, i.e., in the cooling stage of quenching, lead to
Cross outer cooling spray 3 and spray cooling medium to splined hole lateral surface, make splined shaft 5 that there is one end of internal splined hole in the root of key teeth
Portion not only forms ecto-entad radiating, can also from inside to outside radiate, it is necessary to what is illustrated is wherein interior to refer to being close to internal spline
The side of the axis in hole, and the side of axis away from internal splined hole is referred to outward.It should be noted that wherein interior cooling spray
2 cooling mediums used with outer cooling spray 3 can be with completely the same, herein preferably using quenching liquid as cooling medium.
In the present embodiment, in the application internal spline machining tool, i.e., internal spline is quenched certain to obtain
Quenching layer, in the heating period of quenching, heats, so as to be reached at key teeth at the key teeth using inductor 1 to internal splined hole
Certain temperature, and in the cooling stage of quenching, by interior cooling spray 2 and outer cooling spray 3 respectively in internal splined hole
Outer side spray cooling medium, makes internal splined hole inside and outside while being cooled down, so that overall moment is reduced to predetermined temperature, to complete to quench
Fire.In the internal spline machining tool, in the cooling stage of quenching, interior cooling spray 2 is not use only, additionally use outer cooling
Shower nozzle 3 so that key teeth root not only can carry out heat exchange cooling by the ecto-entad of interior cooling spray 2, can also be by outer
Cooling spray 3 from inside to outside carry out heat exchange cooling, key teeth root cooldown rate is then greatly improved, effectively to make key teeth
The cooldown rate of root tends to identical with tooth crest cooldown rate, preferably quenching layer is then obtained, so the internal spline is processed
Inhomogeneous cooling even problem when the quenching layer that instrument can efficiently solve internal spline is cooled down.
Further, can make outer cooling spray 3 includes two spraying areas for being centered around the both sides of splined shaft 5 respectively, first
Two spraying areas should respectively be centered around the both sides of splined shaft 5, and cooling medium is sprayed with the lateral surface to internal splined hole, then make interior
The lateral surface of splined hole is cooled down uniformly everywhere.Herein it should be noted that wherein spraying area refers to around the lateral surface of internal splined hole
, the lateral surface circumferentially extending direction along internal splined hole extends, specifically, such as work as internal splined hole lateral surface in cylinder,
Spraying area can be made curved.Making shower nozzle herein has two spraying areas, and spraying area can be facilitated to be centered around the outer of splined shaft 5
Side, it is to avoid have to suit, can just make spraying area be directed at internal splined hole lateral surface.
Inductor 1 mainly takes a kind of mode of Electromagnetic Heating to be heated, i.e., by generating electromagnetic field, make splined shaft
The part on electromagnetic field is located on 5, Electromagnetic Heating is formed, specific Electromagnetic Heating principle may be referred to prior art.Electromagnetic field
Typically in arc line type, and when inductor 1 begins to warm up from inside internal splined hole, electromagnetic field can pass through the end face of internal splined hole,
I.e. splined shaft 5 has the end face of internal spline one end.And the magnetic field intensity of end is maximum, under stronger magnetic fields, end
Face then occurs grills thoroughly phenomenon, based on this, can be provided with the hanging shading ring 4 for being covered in internal splined hole end face, the specific screen
Cover ring 4 and typically use becket, it is effective to stop that electromagnetic field is passed through from end face by the electromagnetic shielding action of becket, herein
It should be noted that the endoporus aperture of wherein shading ring 4 should be suitable, internal splined hole madial wall is added with avoiding interference with
Heat, specifically, the endoporus aperture of general shading ring 4 is generally higher than the aperture of internal splined hole.Wherein hanging covering is referred in flower
On the bearing of trend of key axle 5, shading ring 4 is covered on the end face of internal splined hole, but is had with the end face of internal splined hole certain
Gap, i.e., it is hanging to set, to avoid producing end face to burn due to shading ring 4 and the end face directly contact of splined shaft 5.Wherein shield
Ring 4 may be mounted on inductor 1.
Based on the internal spline machining tool provided in above-described embodiment, the utility model additionally provides a kind of internal spline processing
System, the internal spline system of processing includes any one internal spline machining tool in above-described embodiment, and internal spline machining tool is used
The internal spline in one end blind hole of splined shaft 5 in internal spline system of processing quenches.Due to the internal spline system of processing
The internal spline machining tool in above-described embodiment is employed, so the beneficial effect of the internal spline system of processing refer to above-mentioned reality
Apply example.
As described above, in the above-described embodiments, when shading ring 4 is provided with internal spline machining tool, now shading ring 4 should
When being vacantly covered on the spline hole end surface of splined shaft 5, to play a part of electromagnetic shielding, the wherein mounting means of shading ring 4
With various, can be directly installed on inductor 1, but this fixed form, in operation, once do not note being easy to make
It is not arranged on vacantly on internal splined hole end face into shading ring 4.Based on this, herein preferably, the outside of splined shaft 5 be provided with
Then internal splined hole end face is provided with the outside of shading ring 4 and offseted with step surface to support shading ring 4 towards consistent step surface
Supporting leg 6, by supporting leg 6 stop shading ring 4 offseted with internal splined hole end face, be then always ensured that shading ring 4 vacantly covers
Cover on internal splined hole end face.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of internal spline machining tool, including for the inductor to being heated at internal splined hole key teeth and for inwardly flower
The interior cooling spray of cooling medium is sprayed at keyhole key teeth, it is characterised in that also including for spraying cold at internal splined hole lateral surface
But the outer cooling spray of medium.
2. internal spline machining tool according to claim 1, it is characterised in that the outer cooling spray includes two difference
It is centered around the spraying area of splined shaft both sides.
3. internal spline machining tool according to claim 2, it is characterised in that the inductor includes inductive head and is used for
Stretch into the coil in internal splined hole.
4. internal spline machining tool according to claim 3, it is characterised in that the spraying area is in cabochon.
5. internal spline machining tool according to claim 4, it is characterised in that the interior cooling spray is U-shaped.
6. the internal spline machining tool according to claim any one of 1-5, it is characterised in that also including for hanging covering
In the shading ring of internal splined hole end face.
7. a kind of internal spline system of processing, including one end has the splined shaft of internal splined hole, it is characterised in that also including such as right
It is required that the internal spline machining tool described in any one of 1-5, the internal spline machining tool to internal splined hole for quenching.
8. internal spline system of processing according to claim 7, it is characterised in that also including being vacantly covered in the splined shaft
Internal splined hole end face shading ring.
9. internal spline system of processing according to claim 8, it is characterised in that the outside of the splined shaft have with it is described
Internal splined hole end face is provided with and offseted with the step surface to support the screen towards consistent step surface, the shading ring outside
Cover the supporting leg of ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621304578.7U CN206289276U (en) | 2016-11-30 | 2016-11-30 | A kind of internal spline machining tool and system of processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621304578.7U CN206289276U (en) | 2016-11-30 | 2016-11-30 | A kind of internal spline machining tool and system of processing |
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| CN206289276U true CN206289276U (en) | 2017-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367568A (en) * | 2016-11-30 | 2017-02-01 | 青岛德盛机械制造有限公司 | Internal spline machining tool and internal spline machining system |
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2016
- 2016-11-30 CN CN201621304578.7U patent/CN206289276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367568A (en) * | 2016-11-30 | 2017-02-01 | 青岛德盛机械制造有限公司 | Internal spline machining tool and internal spline machining system |
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