CN109858113A - A kind of straight-sided normal worm processing flank of tooth modeling method, device and equipment - Google Patents
A kind of straight-sided normal worm processing flank of tooth modeling method, device and equipment Download PDFInfo
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- 238000004590 computer program Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
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Abstract
The present invention provides a kind of straight-sided normal worms to process flank of tooth modeling method, comprising: according to straight-sided normal worm design parameter, worm screw base threedimensional model is established in the relative position of the turning campaign and lathe tool and worm screw of simulating worm screw；According to the geometric parameter of lathe tool, lathe tool geometrical model is established, and establishes worm screw turning threedimensional model in conjunction with the worm screw base threedimensional model and the lathe tool geometrical model；According to straight-sided normal worm working process parameter, the turning campaign of the lathe tool and worm screw is simulated, establishes locus of tool edge curved surface threedimensional model；By carrying out operation to the worm screw base threedimensional model, subtract the locus of tool edge curved surface threedimensional model, establish worm screw flank profil threedimensional model, and the worm screw flank profil threedimensional model is adjusted, the building of worm screw threedimensional model is completed, based on the present invention, it can intuitively reflect worm screw turnery processing prolate involute flank profil surface shape, lathe tool working orthogonal clearance value is obtained simultaneously, intuitive is good, and high-efficient and precision is high.
Description
Technical field
The present invention relates to the worm screw processing flank of tooth to model field, in particular to a kind of straight-sided normal worm processing flank of tooth modeling
Method, device and equipment.
Background technique
With the development of numerical control processing gear technique, reality is also gradually obtained now for the Gear Processing with complex teeth surfaces
It is existing, but Numeric Control Technology processes gear, first has to the high-precision coordinate parameter that input meets numerical control processing requirement.At present for some
Gear with complex teeth surfaces, will obtain the coordinate parameters of the flank of tooth, and main means are that complicated conjugation side is carried out by computer
What journey solution or discrete method asked the cumbersome operation for handing over again surface fitting to obtain, the consuming time is too long, and obtained flank of tooth essence
It spends lower, the meshing quality between complicated conjugate tooth profiles cannot be reacted well.Therefore, the height of numerical control processing requirement is met for acquisition
Accuracy coordinate parameter and the three-dimensional entity model for establishing gear become increasingly it is necessary to.For comparatively fast obtain high class gear three
Entity is tieed up, efficiently correctly gear modeling method is basis.
Summary of the invention
The invention discloses a kind of straight-sided normal worms to process flank of tooth modeling method, is designed according to straight-sided normal worm
Parameter and working process parameter establish worm screw threedimensional model, provide high-precision model and coordinate parameters for numerical control processing.
First embodiment of the invention provides a kind of straight-sided normal worm processing flank of tooth modeling method, comprising:
According to straight-sided normal worm design parameter, the relative position of the turning campaign and lathe tool and worm screw of simulating worm screw is built
Vertical worm screw base threedimensional model；
According to the geometric parameter of lathe tool, lathe tool geometrical model is established, and in conjunction with the worm screw base threedimensional model and the vehicle
Knife geometrical model establishes worm screw turning threedimensional model；
According to straight-sided normal worm working process parameter, the turning campaign of the lathe tool and worm screw is simulated, blade is established
Track curved surface threedimensional model；
By carrying out operation to the worm screw base threedimensional model, the locus of tool edge curved surface threedimensional model is subtracted, snail is established
Bar flank profil threedimensional model, and the worm screw flank profil threedimensional model is adjusted, the building of worm screw threedimensional model is completed, is mentioned for numerical control processing
For high-precision model and coordinate parameters.
Preferably, described according to straight-sided normal worm working process parameter, the turning for simulating the lathe tool and worm screw is transported
It is dynamic, locus of tool edge curved surface threedimensional model is established, specifically:
The lathe tool is equipped with the first blade, the second blade, and first blade is equipped with first endpoint and second end
Point, generates the first locus of tool edge helix and the second locus of tool edge helix, second blade be equipped with first endpoint and
Second endpoint generates third locus of tool edge helix and the 4th locus of tool edge helix；
By first and Article 2 locus of tool edge of first endpoint and the generation of second endpoint on first blade
Helix constitutes the first sword rail track curved surface, and second blade is equipped with first endpoint and second endpoint generates the
Three and Article 4 locus of tool edge helix the second sword rail track curved surface of composition, by first blade rail on first blade
Article 3 locus of tool edge helix on mark helix and second blade constitutes chisel edge track curved surface, according to first sword
Rail track curved surface, the second sword rail track curved surface and chisel edge track curved surface constitute locus of tool edge curved surface threedimensional model.
Preferably, described by carrying out operation to the worm screw base threedimensional model, it is three-dimensional to subtract the locus of tool edge curved surface
Model establishes worm screw flank profil threedimensional model, and adjusts the worm screw flank profil threedimensional model, completes the building of worm screw threedimensional model,
Specifically:
By the first sword rail track curved surface, the second sword rail track curved surface and the chisel edge on the locus of tool edge curved surface threedimensional model
Track curved surface carries out sheet body thickening processing, obtains first locus of tool edge curved surface physical model；
Second blade rail is generated by replicating first locus of tool edge curved surface physical model, and in X-axis positive direction
Mark curved surface physical model, distance between the two are Pa；
To the worm screw base threedimensional model carry out operation, successively subtract first locus of tool edge curved surface physical model and
Second locus of tool edge curved surface physical model generates worm screw flank profil threedimensional model.
It preferably, further include straight-sided normal worm processing lathe tool relief angle after the generation worm screw flank profil threedimensional model
Measurement, specifically:
The section bottom view of the worm screw flank profil threedimensional model is obtained, measurement obtains the working orthogonal clearance and second of the first blade
The working orthogonal clearance of blade.
Preferably, the worm screw base threedimensional model rotates clockwise as positive direction, and the lathe tool geometrical model is negative along X-axis
Mobile direction is positive direction.
Second embodiment of the invention provides a kind of straight-sided normal worm processing flank of tooth model building device, comprising:
Worm screw base three-dimensional modeling unit, for simulating the turning campaign of worm screw according to straight-sided normal worm design parameter
Worm screw base threedimensional model is established with the relative position of lathe tool and worm screw；
Worm screw turning three-dimensional modeling unit establishes lathe tool geometrical model according to the geometric parameter of lathe tool, and in conjunction with the snail
Bar base threedimensional model and the lathe tool geometrical model establish worm screw turning threedimensional model；
Locus of tool edge curved surface threedimensional model modeling unit, according to straight-sided normal worm working process parameter, described in simulation
Locus of tool edge curved surface threedimensional model is established in the turning campaign of lathe tool and worm screw；
Worm screw flank profil three-dimensional modeling unit subtracts the blade rail by carrying out operation to the worm screw base threedimensional model
Mark curved surface threedimensional model establishes worm screw flank profil threedimensional model.
Preferably, the worm screw flank profil three-dimensional modeling unit, further includes seeking difference module, is used for the worm screw base three-dimensional mould
Type successively subtracts first locus of tool edge curved surface physical model and second locus of tool edge curved surface physical model, generates worm screw flank profil
Threedimensional model.
Preferably, the worm screw flank profil three-dimensional modeling unit, further includes worm screw three-dimensional modeling module, for adjusting the snail
Bar flank profil threedimensional model completes the building of worm screw threedimensional model.
Third embodiment of the invention provides a kind of straight-sided normal worm processing flank of tooth modelling apparatus, including processor,
Memory and storage in the memory and are configured the computer program executed by the processing, and the processor executes
Straight-sided normal worm processing flank of tooth modeling method as described above is realized when the computer program.
Based on the invention discloses a kind of straight-sided normal worm processing flank of tooth modeling method, device and equipment, according to prolonging
Involute helicoid worm design parameter and working process parameter are stretched, worm screw threedimensional model is established, can intuitively reflect that worm screw turnery processing prolongs
Involute profile surface shape is stretched, while obtaining lathe tool working orthogonal clearance value, intuitive is good, and high-efficient and precision is high.
Detailed description of the invention
Fig. 1 is a kind of process signal of straight-sided normal worm processing flank of tooth modeling method provided in an embodiment of the present invention
Figure；
Fig. 2 is straight-sided normal worm processing threedimensional model schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the main view of straight-sided normal worm processing threedimensional model provided in an embodiment of the present invention；
Fig. 4 is the top view of straight-sided normal worm processing threedimensional model provided in an embodiment of the present invention；
Fig. 5 is straight-sided normal worm turning locus of tool edge threedimensional model schematic diagram provided in an embodiment of the present invention；
Fig. 6 is worm screw flank profil threedimensional model schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the section bottom view of worm screw flank profil threedimensional model provided in an embodiment of the present invention；
Fig. 8 is worm screw threedimensional model schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
It elaborates below in conjunction with attached drawing to specific embodiments of the present invention.
Referring to Fig. 1, first embodiment of the invention provides a kind of straight-sided normal worm processing flank of tooth modeling method, packet
It includes:
S101, according to straight-sided normal worm design parameter, simulate worm screw turning campaign and lathe tool and worm screw it is opposite
Worm screw base threedimensional model is established in position；
S102 establishes lathe tool geometrical model according to the geometric parameter of lathe tool, and in conjunction with the worm screw base threedimensional model and institute
It states lathe tool geometrical model and establishes worm screw turning threedimensional model；
Please see Fig. 2 to Fig. 4, Fig. 2 is straight-sided normal worm worm screw turning threedimensional model, and x in figure, y, z are reference axis,
1 is worm screw flank profil area blank, and 2 be lathe tool, and V is movement speed (mm/r), blank velocity of rotation when n is processing when lathe tool is processed
(r/min), Fig. 3 is the main view of straight-sided normal worm worm screw turning threedimensional model, and horizontal axis is x-axis, vertical coordinate
Axis is z-axis.In Fig. 3,1 is blank, and 2 be lathe tool, and L is worm screw flank profil section length (mm), and β 1 is the angle (°) of lathe tool and z-axis, inverse
Hour hands are positive, and Fig. 4 is the top view of straight-sided normal worm worm screw turning threedimensional model, and 1 is blank, and 2 be lathe tool.β 2 is around z-axis
Corner (°), is positive counterclockwise.
S103 simulates the turning campaign of the lathe tool and worm screw according to straight-sided normal worm working process parameter, establishes
Locus of tool edge curved surface threedimensional model；
Referring to Fig. 5, the lathe tool is equipped with the first blade 4, the second blade 6, first blade 4 is equipped with first end
Point and second endpoint, generate the first locus of tool edge helix and the second locus of tool edge helix, second blade 6 are equipped with
First endpoint and second endpoint generate third locus of tool edge helix and the 4th locus of tool edge helix；
By first and Article 2 locus of tool edge of first endpoint and the generation of second endpoint on first blade 4
Helix constitutes the first sword rail track curved surface, and second blade 6 is generated equipped with first endpoint and second endpoint
Article 3 and Article 4 locus of tool edge helix constitute the second sword rail track curved surface, the second endpoint on first blade 4 and
First end point on second blade 6 constitutes chisel edge 5, by first blade first locus of tool edge helix and institute
State Article 3 locus of tool edge helix on the second blade and constitute chisel edge track curved surface, according to the first sword rail track curved surface,
Second sword rail track curved surface and chisel edge track curved surface constitute locus of tool edge curved surface threedimensional model 3.
S104 subtracts the locus of tool edge curved surface threedimensional model, builds by carrying out operation to the worm screw base threedimensional model
Vertical worm screw flank profil threedimensional model, and adjust the worm screw flank profil threedimensional model, completes the building of worm screw threedimensional model, for numerical control plus
Work provides high-precision model and coordinate parameters.
Referring to Fig. 6, by the first sword rail track curved surface, the second sword rail rail on the locus of tool edge curved surface threedimensional model 3
Mark curved surface and chisel edge track curved surface carry out sheet body thickening processing, obtain first locus of tool edge curved surface physical model；
Second blade rail is generated by replicating first locus of tool edge curved surface physical model, and in X-axis positive direction
Mark curved surface physical model, distance between the two are Pa；
To the worm screw base threedimensional model carry out operation, successively subtract first locus of tool edge curved surface physical model and
Second locus of tool edge curved surface physical model generates worm screw flank profil three-dimensional mould 7, wherein Pa is screw pitch (mm).
It preferably, further include straight-sided normal worm processing lathe tool relief angle after the generation worm screw flank profil threedimensional model
Measurement, specifically:
Referring to Fig. 7, obtaining the section bottom view of the worm screw flank profil threedimensional model 7, by measurement, the first blade is obtained
Working orthogonal clearance and the second blade working orthogonal clearance, 8 be the first knife face, and 9 be the second knife face, and 10 be the first flank profil face, and 11 be the
Two flank profil faces.
Preferably, the worm screw base threedimensional model rotates clockwise as positive direction, and the lathe tool geometrical model is negative along X-axis
Mobile direction is positive direction.
Second embodiment of the invention provides a kind of straight-sided normal worm processing flank of tooth model building device, comprising:
Worm screw base three-dimensional modeling unit, for simulating the turning campaign of worm screw according to straight-sided normal worm design parameter
Worm screw base threedimensional model is established with the relative position of lathe tool and worm screw；
Worm screw turning three-dimensional modeling unit establishes lathe tool geometrical model according to the geometric parameter of lathe tool, and in conjunction with the snail
Bar base threedimensional model and the lathe tool geometrical model establish worm screw turning threedimensional model；
Locus of tool edge curved surface threedimensional model modeling unit, according to straight-sided normal worm working process parameter, described in simulation
Locus of tool edge curved surface threedimensional model is established in the turning campaign of lathe tool and worm screw；
Worm screw flank profil three-dimensional modeling unit subtracts the blade rail by carrying out operation to the worm screw base threedimensional model
Mark curved surface threedimensional model establishes worm screw flank profil threedimensional model.
Preferably, the worm screw flank profil three-dimensional modeling unit, further includes seeking difference module, is used for the worm screw base three-dimensional mould
Type successively subtracts first locus of tool edge curved surface physical model and second locus of tool edge curved surface physical model, generates worm screw flank profil
Threedimensional model.
Preferably, referring to Fig. 8, the worm screw flank profil three-dimensional modeling unit, further includes worm screw three-dimensional modeling module, be used for
The worm screw flank profil threedimensional model 7 is adjusted, and supplements power transmission section 12 and supporting section 13, completes the building of worm screw threedimensional model.
Third embodiment of the invention provides a kind of straight-sided normal worm processing flank of tooth modelling apparatus, including processor,
Memory and storage in the memory and are configured the computer program executed by the processing, and the processor executes
Straight-sided normal worm processing flank of tooth modeling method as described above is realized when the computer program.
Based on the invention discloses a kind of straight-sided normal worm processing flank of tooth modeling method, device and equipment, according to prolonging
Involute helicoid worm design parameter and working process parameter are stretched, worm screw threedimensional model is established, can intuitively reflect that worm screw turnery processing prolongs
Involute profile surface shape is stretched, while obtaining lathe tool working orthogonal clearance value, intuitive is good, and high-efficient and precision is high.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of straight-sided normal worm processes flank of tooth modeling method characterized by comprising
According to straight-sided normal worm design parameter, snail is established in the relative position of the turning campaign and lathe tool and worm screw of simulating worm screw
Bar base threedimensional model；
According to the geometric parameter of lathe tool, lathe tool geometrical model is established, and several in conjunction with the worm screw base threedimensional model and the lathe tool
What model foundation worm screw turning threedimensional model；
According to straight-sided normal worm working process parameter, the turning campaign of the lathe tool and worm screw is simulated, locus of tool edge is established
Curved surface threedimensional model；
By carrying out operation to the worm screw base threedimensional model, the locus of tool edge curved surface threedimensional model is subtracted, worm tooth is established
Wide threedimensional model, and the worm screw flank profil threedimensional model is adjusted, the building of worm screw threedimensional model is completed, provides height for numerical control processing
The model and coordinate parameters of precision.
2. a kind of straight-sided normal worm according to claim 1 processes flank of tooth modeling method, which is characterized in that described
According to straight-sided normal worm working process parameter, the turning campaign of the lathe tool and worm screw is simulated, locus of tool edge curved surface three is established
Dimension module, specifically:
The lathe tool is equipped with the first blade, the second blade, and first blade is equipped with first endpoint and second endpoint, raw
At the first locus of tool edge helix and the second locus of tool edge helix, second blade is equipped with first endpoint and second
Endpoint generates third locus of tool edge helix and the 4th locus of tool edge helix；
By first and Article 2 locus of tool edge spiral of first endpoint and the generation of second endpoint on first blade
Line constitutes the first sword rail track curved surface, and second blade is equipped with the Article 3 that first endpoint and second endpoint generate
And Article 4 locus of tool edge helix constitutes the second sword rail track curved surface, by first locus of tool edge spiral shell on first blade
Article 3 locus of tool edge helix in spin line and second blade constitutes chisel edge track curved surface, according to the first sword rail rail
Mark curved surface, the second sword rail track curved surface and chisel edge track curved surface constitute locus of tool edge curved surface threedimensional model.
3. a kind of straight-sided normal worm according to claim 1 processes flank of tooth modeling method, which is characterized in that described logical
It crosses and operation is carried out to the worm screw base threedimensional model, subtract the locus of tool edge curved surface threedimensional model, it is three-dimensional to establish worm screw flank profil
Model, and the worm screw flank profil threedimensional model is adjusted, the building of worm screw threedimensional model is completed, specifically:
By the first sword rail track curved surface, the second sword rail track curved surface and the chisel edge track on the locus of tool edge curved surface threedimensional model
Curved surface carries out sheet body thickening processing, obtains first locus of tool edge curved surface physical model；
Second locus of tool edge song is generated by replicating first locus of tool edge curved surface physical model, and in X-axis positive direction
Face entity model, distance between the two are Pa；
Operation is carried out to the worm screw base threedimensional model, successively subtracts first locus of tool edge curved surface physical model and described
Second locus of tool edge curved surface physical model generates worm screw flank profil threedimensional model.
4. a kind of straight-sided normal worm according to claim 3 processes flank of tooth modeling method, which is characterized in that the life
It further include straight-sided normal worm processing lathe tool relief angle measurement after worm screw flank profil threedimensional model, specifically:
The section bottom view of the worm screw flank profil threedimensional model is obtained, measurement obtains the working orthogonal clearance and the second blade of the first blade
Working orthogonal clearance.
5. a kind of straight-sided normal worm according to claim 1 processes flank of tooth modeling method, which is characterized in that the snail
Bar base threedimensional model rotates clockwise as positive direction, and the lathe tool geometrical model is moved along X-axis negative direction as positive direction.
6. a kind of straight-sided normal worm processes flank of tooth model building device characterized by comprising
Worm screw base three-dimensional modeling unit, for simulating turning campaign and the vehicle of worm screw according to straight-sided normal worm design parameter
Worm screw base threedimensional model is established in the relative position of knife and worm screw；
Worm screw turning three-dimensional modeling unit establishes lathe tool geometrical model according to the geometric parameter of lathe tool, and in conjunction with the worm screw base
Threedimensional model and the lathe tool geometrical model establish worm screw turning threedimensional model；
Locus of tool edge curved surface threedimensional model modeling unit simulates the lathe tool according to straight-sided normal worm working process parameter
With the turning campaign of worm screw, locus of tool edge curved surface threedimensional model is established；
It is bent to subtract the locus of tool edge by carrying out operation to the worm screw base threedimensional model for worm screw flank profil three-dimensional modeling unit
Face threedimensional model establishes worm screw flank profil threedimensional model.
7. a kind of straight-sided normal worm according to claim 6 processes flank of tooth model building device, which is characterized in that the snail
Bar flank profil threedimensional model unit, further includes seeking difference module, for the worm screw base threedimensional model successively to be subtracted first blade
Track curved surface physical model and second locus of tool edge curved surface physical model generate worm screw flank profil threedimensional model.
8. a kind of straight-sided normal worm according to claim 6 processes flank of tooth model building device, which is characterized in that the snail
Bar flank profil three-dimensional modeling unit further includes worm screw three-dimensional modeling module, for adjusting the worm screw flank profil threedimensional model, completes snail
The building of bar threedimensional model.
9. a kind of straight-sided normal worm processes flank of tooth modelling apparatus, which is characterized in that including processor, memory and storage
In the memory and it is configured the computer program executed by the processing, the processor executes the computer program
Straight-sided normal worm of the Shi Shixian as described in claim 1 to 5 any one processes flank of tooth modeling method.
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| CN201910038147.2A CN109858113B (en) | 2019-01-16 | 2019-01-16 | Modeling method, device and equipment for extended involute worm machining tooth surface |
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| CN201910038147.2A CN109858113B (en) | 2019-01-16 | 2019-01-16 | Modeling method, device and equipment for extended involute worm machining tooth surface |
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| CN109858113B CN109858113B (en) | 2022-06-14 |
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| CN109858113B (en) | 2022-06-14 |
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