CN106625016B - Elongate cam axis inserts internal spline and positions aligning method - Google Patents
Elongate cam axis inserts internal spline and positions aligning method Download PDFInfo
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- CN106625016B CN106625016B CN201610913546.5A CN201610913546A CN106625016B CN 106625016 B CN106625016 B CN 106625016B CN 201610913546 A CN201610913546 A CN 201610913546A CN 106625016 B CN106625016 B CN 106625016B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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Abstract
Internal spline is inserted the invention discloses a kind of elongate cam axis and positions aligning method, and step is：1) prepare spline housing and spline anchor ear；2) spline anchor ear is sleeved on cam shaft-like work to be processed, spline anchor ear and cam shaft-like work to be processed is made to be fixed together；3) Blind locating holes and positioning spiro pit are processed on spline anchor ear；4) big end of spline housing endoporus is inserted in the end of cam shaft-like work to be processed, with positioning pin and screw thread pin connection spline housing and spline anchor ear；6) spline housing, spline anchor ear and the camshaft clamping workpiece to be processed after assembling are removed into spline housing on gear shapping machine after pinion cutter centering inner spline gear；7) it treats machining cam shaft-like work end face and carries out flower arrangement key processing.The present invention realizes accurately controlling for elongate cam axis internal spline angle, reduces general assembly debugging error, time and difficulty, improves the timing Adjustment precision of camshaft general assembly, and the elongate cam shaft-like work of various similar structures is applicable in.
Description
Technical field
The invention belongs to mechanical processing technique fields, determine in particular, more particularly to a kind of elongate cam axis inserts internal spline
Position aligning method.
Background technology
Camshaft is the critical movements part of diesel engine.The camshaft on certain Large-Scale Equipment that applicant is just researching and developing, it is long
833mm, maximum outside diameter Ф 41mm, draw ratio >=20 are typical thin and long shafts products.The internal spline processing of the camshaft is most
Latter procedure, internal spline bottom are blind hole, and outer end is optical axis, and without any screw hole and pin hole, product requirement is ensureing spline
Under the premise of itself precision, also need to ensure the angled relationships between 4 dowel hole of key slot center and other end Ф in spline, accidentally
Difference control is within ± 30 '.
In order to make camshaft internal spline meet above-mentioned requirements, according to previous processing experience and flower arrangement key principle, generally use
Method include.
1, tool locating clamping workpiece.It, can not be on slotting machine by actual analysis since above-mentioned camshaft belongs to elongated shaft
Design directly commonly using tooling and realize that flower arrangement key process is completed in workpiece positioning with the positioning of one end pin hole, this method is directly no
It is fixed.
2, groove aligning method.This is a kind of simple direct method, and using horizontal Machining centers, centering product camshaft is another
One end Ф 4H9 pin holes position rotates 180o, pin aperture centerline and spline angle line is marked respectively by product figure.Pass through when gear shaping
Trial cut workpiece estimates the position relationship between spline position and groove, constantly adjusts slotting tool angle, final to carry out product gear shaping.Examination
It can not ensure the angle requirement of design drawing completely up to 1 o~1.5o by three coordinate measurements after flower arrangement key.Analyze reason such as
Under.
Since part is partially thin, through calculate at the spline major diameter of Ф 34, groove or to knife or so deviate 0.15mm, angle miss
Difference is just ± 30 ', the thickness of groove itself also not only 0.15mm, in addition this internal spline modulus m=1.5, tooth number Z=21, formation
Tooth form it is very small, exemplar estimate groove angular error it is too big, this method is denied.
Therefore, technical staff is dedicated to developing a kind of processing method that elongate cam axis inserts internal spline, to solve internal spline
With the angle requirement problem of other end pin hole.
Invention content
In view of the above-mentioned deficiency of the prior art, technical problem to be solved by the invention is to provide a kind of elongate cam axis
It inserts internal spline and positions aligning method.
Technical solution of the present invention is as follows：A kind of slotting internal spline positioning aligning method of elongate cam axis, it is characterised in that including
Following steps.
1）Prepare spline housing and spline anchor ear, the endoporus of the spline housing is two-part step structure, spline housing endoporus
Big end can be positioned with cam shaft-like work precision-fit to be processed, the small end setting simulation internal spline of endoporus, the simulation internal spline
Modulus and the number of teeth it is identical as the quasi- processing internal spline on cam shaft-like work to be processed, it is fixed to be equipped in the big end of the spline housing
Position aperture and positioning macropore, positioning aperture and positioning macropore are symmetrical, and the positioning aperture selectes key teeth with simulation internal spline
Between angle, the angle phase being good between tooth correspondings with dowel hole and the quasi- internal spline of processing on cam shaft-like work to be processed
Together, the endoporus of the spline anchor ear is more than spline housing big end endoporus.
2）Spline anchor ear is sleeved on cam shaft-like work to be processed, cam shaft-like work to be processed is made to stretch out spline anchor ear,
Inner lining plate, the opening spline anchor ear with hold-down bolt and clamp nut are embedded between spline anchor ear and cam shaft-like work to be processed
It is tightened at mouthful, spline anchor ear and cam shaft-like work to be processed is made to be fixed together.
3）Using horizontal Machining centers, the outer circle of cam shaft-like work to be processed both ends boss, clamping are positioned with contour V-block
Fixed cam shaft-like work to be processed, Blind locating holes and positioning spiro pit are processed on spline anchor ear, keeps the position of Blind locating holes big
The small positioning aperture on spline housing is adapted, and the position size of positioning spiro pit is adapted with the positioning macropore on spline housing.
4）Spline housing big end endoporus is inserted in the end of cam shaft-like work to be processed, with positioning pin and screw thread pin connection spline
Set and spline anchor ear, the positioning pin pass through positioning aperture and stretch into Blind locating holes, and the threaded passes through positioning macropore simultaneously
It screws in positioning spiro pit.
5）By spline housing, spline anchor ear and the camshaft clamping workpiece to be processed after assembling on gear shapping machine, with pinion cutter
Each tooth of accurate mesh splines set simulation internal spline, it is repeated multiple times, after only each tooth engagement state is all good, remove spline housing.
6）It treats machining cam shaft-like work end face and carries out flower arrangement key processing, realize that internal spline and the workpiece other end are fixed after processing
Angle between the pin hole of position is met the requirements.
Preferably, the inner lining plate is copper sheet, to protect excircle of workpiece.
Preferably, the spline housing and spline anchor ear are made of 45# steel.
Advantageous effect：The present invention converts elongate cam axis to splined end relative to the dowel hole of the internal spline other end
Face, and ensure that each tooth all engages with the consistent internal spline of elongate cam axis product accurately to knife by spline housing and spline anchor ear
After good, accurately control slotting tool angle and flower arrangement key processing is carried out to product again, to realize elongate cam axis internal spline angle
Accurately control, reduce general assembly debugging error, time and difficulty, improve the timing Adjustment precision of camshaft general assembly, for
The elongate cam shaft-like work of various similar structures is applicable in.
Description of the drawings
Fig. 1 is the structural schematic diagram of elongate cam axis.
Fig. 2 is the left view of left bank camshaft.
Fig. 3 is the left view of right row's camshaft.
Fig. 4 is the right view of Fig. 1.
Fig. 5 is the structural schematic diagram of spline housing.
Fig. 6 is the vertical view for the spline housing for adapting to left bank elongate cam axis.
Fig. 7 is the vertical view for the spline housing for adapting to right row's elongate cam axis.
Fig. 8 is the structural schematic diagram of spline anchor ear.
Fig. 9 is the C-C sectional views of Fig. 8.
Figure 10 be spline housing, spline anchor ear with for processing elongate cam shaft-like work assembling after schematic diagram.
Figure 11 is the vertical view of Figure 10.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, one end of elongate cam axis is provided with internal spline M, and the other end offers positioning
There is angle between pin hole N, dowel hole N and a selected wherein internal spline key teeth.If elongate cam axis is that left bank is convex
Wheel shaft, the angle between dowel hole N and a selected wherein internal spline key teeth is a；If elongate cam axis is right row's cam
Axis, the angle between dowel hole N and a selected wherein internal spline key teeth is b.
Such as Fig. 5 to Figure 11 is simultaneously engaged shown in Fig. 1 to Fig. 4, and it includes following that elongate cam axis, which inserts internal spline positioning aligning method,
Step.
1）Prepare spline housing 1 and spline anchor ear 2, the spline housing 1 and spline anchor ear 2 are preferably made of 45# steel.Wherein,
Spline housing 1 is two-part step structure, and the endoporus of the spline housing 1 is two-part stepped hole, and the big end of 1 endoporus of spline housing can be with
The small end inner wall of cam shaft-like work precision-fit positioning to be processed, endoporus is provided with simulation internal spline 11, the simulation internal spline 11
Modulus and the number of teeth it is identical as the internal spline M on standard cams shaft-like work, be machined in the big end of spline housing 1 positioning 12 He of aperture
Macropore 13 is positioned, positioning aperture 12 and the positioning separation of macropore 13 are and symmetrical in the both sides of 1 endoporus of spline housing.Position aperture
Angle between 12 and simulation 11 key teeth of internal spline is equal between standard cams shaft-like work dowel hole N and internal spline M key teeths
Angle.If it is left bank camshaft, then the angle for positioning aperture 12 and simulating between 11 key teeth of internal spline is a1, and a1=a；Such as
Fruit is right row's camshaft, then the angle for positioning aperture 12 and simulating between 11 key teeth of internal spline is b1, and b1=b.Spline anchor ear 2
Endoporus be more than 1 endoporus of spline housing big end, facilitate inner lining plate 8 be packed into, to protect the surface of elongate cam shaft-like work.
2）Spline anchor ear 2 is sleeved on cam shaft-like work 7 to be processed, so that cam shaft-like work 7 to be processed is stretched out spline and embraces
Hoop 2, is embedded in inner lining plate 8 between spline anchor ear 2 and cam shaft-like work 7 to be processed, and inner lining plate 8 is preferably copper sheet.With compression spiral shell
Bolt 3 and clamp nut 4 tighten the opening of spline anchor ear 2, and spline anchor ear 2 and cam shaft-like work 7 to be processed is made to be fixed on one
It rises.
3）Using horizontal Machining centers, the outer circle of 7 both ends boss of cam shaft-like work to be processed is positioned with contour V-block, is filled
Clamping fixed cam shaft-like work 7 to be processed, Blind locating holes 21 and positioning spiro pit 22 are processed on spline anchor ear 2, makes Blind locating holes
21 position size is adapted with the positioning aperture 12 on spline housing 1, in the position size and spline housing 1 of positioning spiro pit 22
Positioning macropore 13 is adapted.The quantity of spline anchor ear 2 need to ensure that each cam shaft-like work has 1 spline anchor ear, but different batches
It is secondary can suitably be staggered hole position or turn-over reuse the anchor ear, with cost-effective.
4）The big end of 1 endoporus of spline housing is inserted in the end of cam shaft-like work 7 to be processed, is connected with positioning pin 5 and threaded 6
Spline housing 1 and spline anchor ear 2 are connect, positioning pin 5 passes through positioning aperture 12 and stretches into Blind locating holes 21, and threaded 6 passes through positioning
Macropore 13 simultaneously screws in positioning spiro pit 22.
6）By spline housing 1, spline anchor ear 2 and 7 clamping of cam shaft-like work to be processed after assembling on gear shapping machine, with gear shaping
Each tooth of 1 simulation internal spline 11 of knife accurate mesh splines set, it is repeated multiple times, after only each tooth engagement state is all good, remove flower
Key set 1.
7）It treats 7 end face of machining cam shaft-like work and carries out flower arrangement key processing, realize internal spline M and the workpiece other end after processing
Angle between dowel hole N is met the requirements.Through examining, angular error all controls within ± 0.3o, better than design error ±
The requirement of 0.5o meets design drawing requirement.
Principle and implementation of the present invention are described for specific case used herein, for the one of this field
As technology known to technical staff it is unspecified, such as spline housing, the gear shaping of the processing technology of spline anchor ear and specific spline
Process etc..The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention；For this field
Those skilled in the art, according to the thought of the present invention, there will be changes in the specific implementation manner and application range.It should manage
Solution, those skilled in the art without creative work can design according to the present invention carry out many modifications and change
Change.Therefore, all technician in the art under this invention's idea on the basis of existing technology by logic analysis, push away
Reason or the available technical solution of limited experiment, all should be in the protection domain determined by the claims.
Claims (3)
1. a kind of elongate cam axis inserts internal spline and positions aligning method, it is characterised in that include the following steps：
1）Prepare spline housing（1）With spline anchor ear（2）, the spline housing（1）Endoporus be two-part step structure, spline housing
（1）The big end of endoporus can be positioned with cam shaft-like work precision-fit to be processed, the small end setting simulation internal spline of endoporus（11）,
The simulation internal spline（11）Modulus and the number of teeth and cam shaft-like work to be processed on intend the internal spline of processing（M）It is identical, described
Spline housing（1）Big end be equipped with positioning aperture（12）With positioning macropore（13）, position aperture（12）With positioning macropore（13）It is right
Claim distribution, the positioning aperture（12）With simulation internal spline（11）Angle between selected key teeth, with cam shaft-like work to be processed
On dowel hole and quasi- processing internal spline（M）Angle between corresponding key teeth is identical, the spline anchor ear（2）Endoporus
More than spline housing（1）Big end endoporus；
2）By spline anchor ear（2）It is sleeved on cam shaft-like work to be processed（7）On, make cam shaft-like work to be processed（7）Stretch out spline
Anchor ear（2）, in spline anchor ear（2）With cam shaft-like work to be processed（7）Between be embedded in inner lining plate（8）, use hold-down bolt（3）And pressure
Tight nut（4）By spline anchor ear（2）Opening tightening, make spline anchor ear（2）With cam shaft-like work to be processed（7）It is fixed on one
It rises；
3）Using horizontal Machining centers, cam shaft-like work to be processed is positioned with contour V-block（7）The outer circle of both ends boss, clamping
Fixed cam shaft-like work to be processed（7）, in spline anchor ear（2）Upper processing Blind locating holes（21）And positioning spiro pit（22）, it is fixed to make
Position blind hole（21）Position size and spline housing（1）On positioning aperture（12）It is adapted, positioning spiro pit（22）Position it is big
Small and spline housing（1）On positioning macropore（13）It is adapted；
4）By spline housing（1）Big end endoporus is inserted in cam shaft-like work to be processed（7）End, use positioning pin（5）And threaded（6）
Connect spline housing（1）With spline anchor ear（2）, the positioning pin（5）Across positioning aperture（12）And stretch into Blind locating holes（21）In,
The threaded（6）Across positioning macropore（13）And screw in positioning spiro pit（22）In；
5）By the spline housing after assembling（1）, spline anchor ear（2）With cam shaft-like work to be processed（7）Clamping is on gear shapping machine, to insert
The accurate mesh splines set of serrated knife（1）Simulate internal spline（11）Each tooth, it is repeated multiple times, after only each tooth engagement state is all good,
Remove spline housing（1）；
6）Treat machining cam shaft-like work（7）End face carries out flower arrangement key processing, realizes internal spline after processing（M）With the workpiece other end
Dowel hole（N）Between angle meet the requirements.
2. elongate cam axis as described in claim 1 inserts internal spline and positions aligning method, it is characterised in that：The inner lining plate
（8）For copper sheet.
3. elongate cam axis as claimed in claim 1 or 2 inserts internal spline and positions aligning method, it is characterised in that：The spline
Set（1）With spline anchor ear（2）It is made of 45# steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913546.5A CN106625016B (en) | 2016-10-20 | 2016-10-20 | Elongate cam axis inserts internal spline and positions aligning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913546.5A CN106625016B (en) | 2016-10-20 | 2016-10-20 | Elongate cam axis inserts internal spline and positions aligning method |
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| Publication Number | Publication Date |
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| CN106625016A CN106625016A (en) | 2017-05-10 |
| CN106625016B true CN106625016B (en) | 2018-11-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994662B (en) * | 2018-10-11 | 2023-11-21 | 安徽同华新能源动力股份有限公司 | Correction auxiliary tool for slotting tool |
| CN110270721A (en) * | 2019-06-11 | 2019-09-24 | 昌河飞机工业（集团）有限责任公司 | A kind of processing method of high-precision internal spline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1785597A1 (en) * | 2005-11-12 | 2007-05-16 | Delphi Technologies, Inc. | Cam phaser apparatus |
| CN201313196Y (en) * | 2008-12-10 | 2009-09-23 | 宁夏中卫大河机床有限责任公司 | Aligning device for computerized numerical control (CNC) camshaft milling machine work piece |
| CN103386500A (en) * | 2013-07-30 | 2013-11-13 | 浙江吉利汽车研究院有限公司 | Tool setting device of hole machining boring tool and using method thereof |
| CN205254260U (en) * | 2016-01-05 | 2016-05-25 | 湖北唯思凌科装备制造有限公司 | Outer spline machining lathe of auto steering ware input shaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6126951B2 (en) * | 2013-09-04 | 2017-05-10 | 武蔵精密工業株式会社 | Work positioning device |
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2016
- 2016-10-20 CN CN201610913546.5A patent/CN106625016B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1785597A1 (en) * | 2005-11-12 | 2007-05-16 | Delphi Technologies, Inc. | Cam phaser apparatus |
| CN201313196Y (en) * | 2008-12-10 | 2009-09-23 | 宁夏中卫大河机床有限责任公司 | Aligning device for computerized numerical control (CNC) camshaft milling machine work piece |
| CN103386500A (en) * | 2013-07-30 | 2013-11-13 | 浙江吉利汽车研究院有限公司 | Tool setting device of hole machining boring tool and using method thereof |
| CN205254260U (en) * | 2016-01-05 | 2016-05-25 | 湖北唯思凌科装备制造有限公司 | Outer spline machining lathe of auto steering ware input shaft |
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| CN106625016A (en) | 2017-05-10 |
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