CN205587785U - Tapered thread shaping lathe tool - Google Patents
Tapered thread shaping lathe tool Download PDFInfo
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- CN205587785U CN205587785U CN201620169248.5U CN201620169248U CN205587785U CN 205587785 U CN205587785 U CN 205587785U CN 201620169248 U CN201620169248 U CN 201620169248U CN 205587785 U CN205587785 U CN 205587785U
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- turning
- cutter
- turning surface
- tapered thread
- connecting portion
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Abstract
The utility model provides a tapered thread shaping lathe tool belongs to thread processing equipment technical field. It has solved prior art design reasonable scheduling problem inadequately. This tapered thread shaping lathe tool includes the lathe tool body, and the lathe tool body has cutter arbor portion, and cutter arbor portion tip is equipped with at least one tool bit portion, preferably, has first turning face and second turning face that slope respectively set up in the tool bit portion, form cutting edge portion between first turning face and the second turning face, and asymmetric structure is personally submitted with second turning to first turning face. This tapered thread shaping lathe tool's advantage lies in: reasonable in design, simple structure, because firm in connection degree, manufacturing convenience, low in production cost, the facilitate promotion of the screw thread that cuts out have improved in tool bit portion for asymmetric structure designs.
Description
Technical field
This utility model belongs to thread processing equipment technical field, especially relates to a kind of cone
Shape thread forming lathe tool.
Background technology
Screw thread process is for workpiece carries out the technique of screw thread process in machine-building, logical
Normal processing mode has turning, grinding and rolling and processing, owing to workpiece is metal material,
Add man-hour very big to the loss of machining tool, and no matter use turning, grinding, or rolling
The screw thread that pressure processing method processes is common several shape systems, i.e. wedge thread, square
Shape screw thread, trapezoidal thread and saw-tooth thread etc., all also exist the defect easily loosened,
The gap shaking connector along with equipment frequently increases, and causes bolts and nuts to loosen,
Even come off, when being so mechanically connected for some, easily occur connector to be mutually disengaged phenomenon,
Serious is susceptible to security incident, and existing thread rolling device there is also: add
Work process is loaded down with trivial details, poor stability, and screw thread is difficult to the problems such as roll forming
In order to solve the problem that prior art exists, people have carried out long-term exploration, have carried
Go out solution miscellaneous.Such as, Chinese patent literature discloses a kind of containing Cr
High-steel level oil pipe screw thread process with sintered carbide tool material [application number:
201410128652.3], make including by the raw material of following percentage by weight: WC:89.5
91.5%, Co:8 10%, rare earth oxide La2O3:0.25 0.5%, nanometer VC
Inhibitor: 0.2 0.25%, wherein the grain size of WC is 0.4 micron, contains in WC
The grain size of Cr2C3:0.32 0.37%, Co is 0.8 micron.
Above-mentioned scheme improves the problem easy to wear of prior art to a certain extent,
But, the most at least there is following defect in the program: prices of raw materials height, complex process,
Manufacturing cost is high, cut threaded time the problem such as easily loosen.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that a kind of reasonable in design, knot
Structure is simple, the threaded effective tapered thread shaped profile turning cutter cut.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this practicality
Novel tapered thread shaped profile turning cutter, including turning cutter body, turning cutter body has knife bar portion,
End, knife bar portion is provided with at least one cutter head portion, it is preferable that has in cutter head portion and inclines respectively
The first turning surface tiltedly arranged and the second turning surface, the first turning surface and the second turning surface it
Between form blade part, and the first turning surface and the second turning surface be unsymmetric structure.First
Turning surface and the second turning surface are unsymmetric structure, improve tapered thread shaped profile turning cutter and add
The precision during screw thread of work workpiece, the metal streamline on workpiece is not susceptible to fracture, improves
Crudy.
Preferably, turning cutter body is external screw cutting tool.
Preferably, end, knife bar portion is provided with the first connecting portion vertically, and cutter head portion is axial
It is formed at the first connecting portion end.First connecting portion facilitates externally threaded processing.
Preferably, between the first turning surface and the first connecting portion side, form the first angle,
The second angle is formed between second turning surface and the first connecting portion opposite side.Simple in construction,
It is easy to manufacture.
Preferably, the first corner dimension is less than the size of the second angle, and the first turning surface
Length scale more than the length scale of the second turning surface.By change the first turning surface and
The contrast of the length of the second turning surface forms it into unsymmetric structure, the most simply, and side
Just process.
Preferably, the first corner dimension is more than the size of the second angle, and the first turning surface
Length scale less than the length scale of the second turning surface.For processing and the most different knots
The external screw thread of structure.
As another preferred version, turning cutter body is internal screw cutting tool.
Preferably, end, knife bar portion is provided with the second connecting portion vertically, and cutter head portion is formed
The axis of the second connecting portion it is perpendicular in the sidepiece of the second connecting portion and cutter head portion.Second
Connecting portion and the cutter head portion being located at the second connecting portion sidepiece facilitate externally threaded processing.
Preferably, between the first turning surface and the second connecting portion end face, form the first angle,
Form the second angle between second turning surface and the first connecting portion sidepiece, and the first angle is big
It is less than the size of the second angle.Simple in construction, it is simple to manufacture.
Preferably, the length scale of the first turning surface is more than or less than the length of the second turning surface
Degree size.Can turning by the difference changing the length of the first turning surface and the second turning surface
The female thread of different structure.
Compared with prior art, the advantage of this tapered thread shaped profile turning cutter is: design is closed
Reason, simple in construction, improve, owing to cutter head portion designs for unsymmetric structure, the spiral shell cut
The degree of being connected firmly of stricture of vagina, easily manufactured, production cost is low, be easy to promote.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical side of the prior art
Case, will make simple to the accompanying drawing used required in embodiment or description of the prior art below
Ground is introduced, it should be apparent that, the accompanying drawing in describing below is only of the present utility model one
A little embodiments, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 provides the front view in this utility model embodiment 1.
Fig. 2 provides the master that cutter head portion in this utility model embodiment 1 is another kind of shape
View.
Fig. 3 provides the front view in this utility model embodiment 2.
Fig. 4 provides the master that cutter head portion in this utility model embodiment 2 is another kind of shape
View.
In figure, turning cutter body 1, knife bar portion 101, cutter head portion the 102, first turning surface 102a,
Second turning surface 102b, first connecting portion the 103, second connecting portion 104.
Detailed description of the invention
Below in conjunction with the accompanying drawings and by embodiment this utility model is made the most specifically
Bright, following example are that this utility model is not limited to explanation of the present utility model
Following example.
Embodiment 1:
As shown in Figure 1, 2, this tapered thread shaped profile turning cutter, including turning cutter body 1, this
In turning cutter body 1 be external screw cutting tool, turning cutter body 1 has knife bar portion 101, cutter
End, bar portion 101 is provided with at least one cutter head portion 102, and cutter head portion 102 here has
There is the first turning surface 102a and the second turning surface 102b, the first car being obliquely installed respectively
Blade part, and the first turning surface is formed between bevel 102a and the second turning surface 102b
102a and the second turning surface 102b is unsymmetric structure, the first turning surface 102a and second
Turning surface 102b is unsymmetric structure, improves tapered thread shaped profile turning cutter processing workpiece
Precision during screw thread, the metal streamline on workpiece is not susceptible to fracture, improves and add working medium
Amount.
Specifically, end, knife bar portion 101 here is provided with the first connecting portion 103 vertically,
And cutter head portion 102 is axially formed in the first connecting portion 103 end, the first connecting portion 103
Facilitate externally threaded processing；Here the first turning surface 102a and the first connecting portion 103
Formed between side the first angle, the second turning surface 102b and the first connecting portion 103 another
The second angle, simple in construction is formed, it is simple to manufacture between side.
Further, the first corner dimension the most here is less than the second angle
Size, and the length that the length scale of the first turning surface 102a is more than the second turning surface 102b
Degree size, by changing the length of the first turning surface 102a and the second turning surface 102b
Contrast forms it into unsymmetric structure, the most simply, and convenient processing, or such as Fig. 2
Shown in the first corner dimension here more than the size of the second angle, and the first turning surface
The length scale of 102a less than the length scale of the second turning surface 102b, for processing with
The external screw thread of different structure above.
Embodiment 2:
As shown in Figure 3,4, this tapered thread shaped profile turning cutter, including turning cutter body 1, this
In turning cutter body 1 be internal screw cutting tool, turning cutter body 1 has knife bar portion 101, cutter
End, bar portion 101 is provided with at least one cutter head portion 102, and cutter head portion 102 here has
There is the first turning surface 102a and the second turning surface 102b, the first car being obliquely installed respectively
Blade part, and the first turning surface is formed between bevel 102a and the second turning surface 102b
102a and the second turning surface 102b is unsymmetric structure, the first turning surface 102a and second
Turning surface 102b is unsymmetric structure, improves tapered thread shaped profile turning cutter processing workpiece
Precision during screw thread, the metal streamline on workpiece is not susceptible to fracture, improves and add working medium
Amount.
Specifically, end, knife bar portion 101 here is provided with the second connecting portion 104 vertically,
And cutter head portion 102 is formed at the sidepiece of the second connecting portion 104 and cutter head portion 102 is perpendicular to
The axis of the second connecting portion 104, the second connecting portion 104 and be located at the second connecting portion 104
The cutter head portion 102 of sidepiece facilitates externally threaded processing.
Further, the first turning surface 102a here and the second connecting portion 104 end face it
Between form the first angle, shape between the second turning surface 102b and the first connecting portion 103 sidepiece
Become the second angle, and the first corner dimension is less than the size of the second angle, simple in construction,
It is easy to manufacture；The length scale of the first turning surface 102a the most here is more than the
The length scale of two turning surface 102b, or the first turning surface the most here
The length scale of 102a is less than the length scale of the second turning surface 102b, by changing the
The difference of the length of one turning surface 102a and the second turning surface 102b can turning different structure
Female thread.
The forming method of this tapered thread shaped profile turning cutter: A, lathe tool are installed: by knife bar portion
Turning cutter body 1 is fixed by 101, and turning cutter body 1 is radially arranged or edge along workpiece
Workpiece is axially arranged；B, tapered thread molding: turning cutter body 1 first carries out carrying out along workpiece
Radial feed is axially driven a vehicle along workpiece the most again, along with workpiece self circumferentially rotates, and cutter head
The second turning surface 102b in portion 102 is in formation side, workpiece outer circumferential helicoid, cutter head portion
The first turning surface 102a of 102 forms end helicoid, and side spiral in workpiece outer circumferential
The shape in face and the right-angled trapezium right-angle side to coincide with workpiece axis are for centre of gyration week
At the uniform velocity move axially along workpiece axis simultaneously at the uniform velocity revolution and this right-angled trapezium and formed
The outside spiral face shape of revolution identical, the shape of end helicoid and above-mentioned revolution
The shape of the spiral end face moving axially consistent one end, direction is identical, until work pieces process goes out
Tapered thread.
Specifically, the first turning surface 102a here radially moves along workpiece with turning cutter body 1
The first corner dimension formed between dynamic direction is more than the second turning surface 102b and lathe tool basis
Body 1 is along the second corner dimension formed between the axial moving direction of workpiece.
Further, turning cutter body 1 here is external screw cutting tool；Knife bar portion 101 end
Portion is provided with the first connecting portion 103 vertically, and cutter head portion 102 is axially disposed within first even
Connect end, portion 103；Here turning cutter body 1 is internal screw cutting tool；Knife bar portion 101 end
Portion is provided with the second connecting portion 104 vertically, and cutter head portion 102 is arranged on the second connecting portion
104 sidepieces and cutter head portion 102 are perpendicular to the axis of the second connecting portion 104.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employ turning cutter body 1, knife bar portion 101, cutter head portion 102,
First turning surface 102a, the second turning surface 102b, the first connecting portion 103, second connect
Portion 104 term such as grade, but it is not precluded from using the probability of other term.Use these arts
Language is only used to describe and explain essence of the present utility model more easily；They are solved
It is all contrary with this utility model spirit for being interpreted into any additional restriction.
Claims (10)
1. a tapered thread shaped profile turning cutter, including turning cutter body (1), described lathe tool
Body (1) has knife bar portion (101), described knife bar portion (101) end be provided with to
A few cutter head portion (102), it is characterised in that have in described cutter head portion (102)
The first turning surface (102a) being obliquely installed respectively and the second turning surface (102b), described
The first turning surface (102a) and the second turning surface (102b) between formed blade part,
And described the first turning surface (102a) and the second turning surface (102b) are in unsymmetrical knot
Structure.
Tapered thread shaped profile turning cutter the most according to claim 1, it is characterised in that
Described turning cutter body (1) is external screw cutting tool.
Tapered thread shaped profile turning cutter the most according to claim 1 and 2, its feature exists
In, described knife bar portion (101) end is provided with the first connecting portion (103) vertically, and
Described cutter head portion (102) is axially formed in the first connecting portion (103) end.
Tapered thread shaped profile turning cutter the most according to claim 3, it is characterised in that
The is formed between described the first turning surface (102a) and the first connecting portion (103) side
One angle, described the second turning surface (102b) and the first connecting portion (103) opposite side
Between form the second angle.
Tapered thread shaped profile turning cutter the most according to claim 4, it is characterised in that
The first described corner dimension is less than the size of the second angle, and the first described turning surface
(102a) length scale is more than the length scale of the second turning surface (102b).
Tapered thread shaped profile turning cutter the most according to claim 4, it is characterised in that
The first described corner dimension is more than the size of the second angle, and the first described turning surface
(102a) length scale is less than the length scale of the second turning surface (102b).
Tapered thread shaped profile turning cutter the most according to claim 1, it is characterised in that
Described turning cutter body (1) is internal screw cutting tool.
Tapered thread shaped profile turning cutter the most according to claim 7, it is characterised in that
Described knife bar portion (101) end is provided with the second connecting portion (104) vertically, and described
Cutter head portion (102) be formed at the sidepiece of the second connecting portion (104) and described cutter head
Portion (102) is perpendicular to the axis of the second connecting portion (104).
Tapered thread shaped profile turning cutter the most according to claim 8, it is characterised in that
The is formed between described the first turning surface (102a) and the second connecting portion (104) end face
One angle, described the second turning surface (102b) and the first connecting portion (103) sidepiece it
Between form the second angle, and the first described corner dimension is less than the size of the second angle.
Tapered thread shaped profile turning cutter the most according to claim 9, it is characterised in that
The length scale of described the first turning surface (102a) is more than or less than the second turning surface
(102b) length scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169248.5U CN205587785U (en) | 2016-03-04 | 2016-03-04 | Tapered thread shaping lathe tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620169248.5U CN205587785U (en) | 2016-03-04 | 2016-03-04 | Tapered thread shaping lathe tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205587785U true CN205587785U (en) | 2016-09-21 |
Family
ID=56928458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620169248.5U Active CN205587785U (en) | 2016-03-04 | 2016-03-04 | Tapered thread shaping lathe tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205587785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081478A (en) * | 2017-12-13 | 2018-05-29 | 格力电器（武汉）有限公司 | Enamel cutting tool for enamel electric heating joint |
-
2016
- 2016-03-04 CN CN201620169248.5U patent/CN205587785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081478A (en) * | 2017-12-13 | 2018-05-29 | 格力电器（武汉）有限公司 | Enamel cutting tool for enamel electric heating joint |
| CN108081478B (en) * | 2017-12-13 | 2019-09-03 | 格力电器（武汉）有限公司 | enamel cutting tool for enamel electric heating joint |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |