CN209439556U - A kind of threaded blade - Google Patents
A kind of threaded blade Download PDFInfo
- Publication number
- CN209439556U CN209439556U CN201822030433.8U CN201822030433U CN209439556U CN 209439556 U CN209439556 U CN 209439556U CN 201822030433 U CN201822030433 U CN 201822030433U CN 209439556 U CN209439556 U CN 209439556U
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- tooth form
- ontology
- form cutting
- threaded blade
- cutting edge
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Abstract
The utility model provides a kind of threaded blade, belongs to cutting tip technical field.It solves the problems, such as that existing threaded blade is not suitable for processing left hand thread and right-handed thread.A kind of this threaded blade, ontology including being in positive triangle shape, the vertex of ontology is equipped with side overmoving surface disposed in parallel corresponding with ontology, the middle part of ontology has perforative mounting hole, and protrusion is equipped on overmoving surface and section is in tooth form cutting portion and tooth form the cutting portion symmetrical setting centered on the corresponding middle line of ontology of triangular shape.A kind of this threaded blade has the advantages that be suitable for processing left hand thread and right-handed thread.
Description
Technical field
The utility model belongs to cutting tip technical field, is related to a kind of threaded blade.
Background technique
In the machining of screw thread, there are mainly two types of traditional processing methods: one is processed with screw tap；Another kind is
It is processed with the thread milling of toothrow.
But both traditional processing methods have the defects that it is certain: process screw thread, screw tap and screw thread one with screw tap
One is corresponding, i.e., a kind of screw tap can only process a kind of screw thread, and screw tap is also easy to wear and fracture during screw thread process, leads
Cause workpiece is scrapped or workpiece manufacture cost is excessively high, and the torque that big screw tap needs in process is larger, in general processing
The heart cannot use at all.And toothrow thread milling processing tool resistance when carrying out screw thread process is big, is easy hair vibration, feeding is not
Fastly, a kind of specification blade can only process a kind of screw thread of model, and the cost of charp tool is very high.
In addition, the high-speed rotation cutting in machining due to milling cutter can also generate high temperature ablation phenomenon, cause
Product or cutting performance are reduced or are scrapped, and in blade in high-speed cutting workpiece, blade is very big by power, process
In, blade occurs damaging and scrapping also extremely common.In process, chip caused by cutting is adhered on blade not only can shadow
The quality for ringing processing, also will affect the service life of blade.
A kind of equilateral triangle screw tool system as disclosed in Chinese patent literature (application number: 201420111510.1),
It is made of equilateral triangle threaded blade and mating knife bar, equilateral triangle threaded blade is equilateral triangle, there is center positioning hole and three
There is the locating slot of same shape and same position on a positioning periphery, each positioning periphery, and locating slot is isosceles arc groove.But it should
The cutting edge of threaded blade is located at the side on the top of threaded blade, therefore the cutting edge of its threaded blade is suitble to one rotation of processing
To thread groove.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, is proposed a kind of left-handed suitable for processing
The threaded blade of screw thread and right-handed thread.
The purpose of this utility model can be realized by the following technical scheme: a kind of threaded blade, including be in positive triangle shape
Ontology, the vertex of the ontology is equipped with side overmoving surface disposed in parallel corresponding with the ontology, the sheet
The middle part of body has perforative mounting hole, which is characterized in that is equipped with protrusion on the overmoving surface and section is in triangular shape
The symmetrical setting centered on the corresponding middle line of the ontology of tooth form cutting portion and the tooth form cutting portion.
Since tooth form cutting portion is symmetrical set centered on the middle line of ontology in triangular shape and tooth form cutting portion, make this
The tooth form cutting portion of threaded blade can process left hand thread and right-handed thread, have it is easy to use, and being capable of less cutter
The advantages of inventory.
In a kind of above-mentioned threaded blade, three vertex of the ontology are equipped with above-mentioned tooth form cutting portion.
Three vertex of ontology are equipped with tooth form cutting portion, have utilization rate easy to use and improving blade.
In a kind of above-mentioned threaded blade, the upper and lower ends of the tooth form cutting portion are the cutting of symmetrically arranged tooth form
Sword.Using above-mentioned setting, the utilization rate of this blade is improved, reduces the production cost of user.
In a kind of above-mentioned threaded blade, the upper and lower end faces of the ontology are positioning plane and the tooth form is cut
The blade tip for cutting sword is located at the inside of the positioning plane.The blade tip of tooth form cutting edge is located at the inside of positioning plane, is this spiral shell
For line blade in positioning, the blade tip of tooth form cutting edge is not likely to produce interference, has and installs more convenient and manufacture more convenient
The advantages of.
In a kind of above-mentioned threaded blade, the distance H of the blade tip to corresponding positioning plane is 0.05mm-
0.3mm。
In a kind of above-mentioned threaded blade, the rake face of the tooth form cutting portion is by interior upper inclination lateral outward
Inclined surface, the rake face be equipped with chip breaking boss.Chip breaking boss is set on rake face, is generated convenient for cutting machining
Iron filings, avoid tooth form cutting edge generation heat concentrate, have preferable protecting effect.
In a kind of above-mentioned threaded blade, the tapered and described chip breaking boss of the chip breaking boss is along described
The sideline of the blade tip of tooth form cutting edge is arranged.Using above-mentioned setting, chip breaking boss is made to have the effect of preferably cutting off iron filings.
In a kind of above-mentioned threaded blade, the angle that is formed between the rake face and the corresponding positioning plane
A is 5 ゜ -17 ゜.
In a kind of above-mentioned threaded blade, the angle that the main cutting edge and the end cutting edge are formed is 30 ゜-
65゜。
Compared with prior art, a kind of this threaded blade has the advantage that
1, it is symmetrical set, is made centered on the middle line of ontology in triangular shape and tooth form cutting portion due to tooth form cutting portion
The tooth form cutting portion of this threaded blade can process left hand thread and right-handed thread, have it is easy to use, and being capable of less knife
Has the advantages of inventory；
2, the upper and lower ends of tooth form cutting portion are symmetrically arranged tooth form cutting edge, improve the utilization rate of this blade, are dropped
The low production cost of user；
3, the blade tip of tooth form cutting edge is located at the inside of positioning plane, is this threaded blade in positioning, tooth form cutting edge
Blade tip be not likely to produce interference, have the advantages that installation it is more convenient and manufacture it is more convenient；
4, the tapered and described chip breaking boss of chip breaking boss is arranged along the sideline of the blade tip of tooth form cutting edge, makes chip breaking
Boss has the effect of preferably cutting off iron filings.
Detailed description of the invention
Fig. 1 is a kind of this stereoscopic schematic diagram of threaded blade.
Fig. 2 is a kind of this schematic front view of threaded blade.
Fig. 3 is the M enlarged diagram of this Fig. 2.
Fig. 4 is a kind of this left view schematic diagram of threaded blade.
In figure, 1, ontology；2, overmoving surface；3, mounting hole；4, tooth form cutting portion；5, tooth form cutting edge；6, plane is positioned；7,
Chip breaking boss.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figures 1 to 4, a kind of threaded blade, the ontology 1 including being in positive triangle shape, three vertex of ontology 1 are equipped with
Side overmoving surface 2 disposed in parallel corresponding with ontology 1, the middle part of ontology 1 have a perforative mounting hole 3, on three overmoving surfaces 2
It is equipped with protrusion and section is in the tooth form cutting portion 4 of triangular shape, tooth form cutting portion 4 is in centered on the corresponding middle line of ontology 1
It is symmetrical set.
The upper and lower ends of tooth form cutting portion 4 are symmetrically arranged tooth form cutting edge 5.The upper and lower end faces of ontology 1 are positioning
Plane 6, the blade tip of tooth form cutting edge 5 are located at the inside of positioning plane 6.
The distance H of blade tip to corresponding positioning plane 6 is 0.05mm-0.3mm, preferably, blade tip is to corresponding fixed
The distance H of bit plane 6 is 0.1mm.
The rake face of tooth form cutting portion 4 is by the interior acclivitous inclined surface in side outward, and rake face and corresponding positioning are flat
The included angle A formed between face 6 is 5 ゜ -17 ゜, preferably, the included angle A formed between rake face and corresponding positioning plane 6 is
10゜
Rake face is equipped with chip breaking boss 7, chip breaking boss 7 is tapered and chip breaking boss 7 along tooth form cutting edge 5 blade tip
Sideline setting.Chip breaking boss 7 is set on rake face, convenient for the iron filings that cutting machining generates, avoids tooth form cutting edge 5
The heat of generation is concentrated, and has preferable protecting effect.
The included angle B that main cutting edge and end cutting edge are formed is 30 ゜ -65 ゜, preferably, main cutting edge and end cutting edge
The included angle B of formation is 60 ゜
Since tooth form cutting portion 4 is symmetrical set centered on the middle line of ontology 1 in triangular shape and tooth form cutting portion 4,
So that the tooth form cutting portion 4 of this threaded blade is processed left hand thread and right-handed thread, have it is easy to use, and can be less
The advantages of cutter inventory.Three vertex of ontology 1 are equipped with tooth form cutting portion 4, and the upper and lower ends of tooth form cutting portion 4 are symmetrical
The tooth form cutting edge 5 of setting has utilization rate easy to use and improving blade, reduces the production cost of user.
The blade tip of tooth form cutting edge 5 is located at the inside of positioning plane 6, is this threaded blade in positioning, tooth form cutting edge 5
Blade tip be not likely to produce interference, have the advantages that installation it is more convenient and manufacture it is more convenient.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although ontology 1 is used more herein, overmoving surface 2, mounting hole 3, tooth form cutting portion 4, tooth form cutting edge 5, determines
The terms such as bit plane 6, chip breaking boss 7, but it does not exclude the possibility of using other terms.The use of these items is only for
It is more convenient to describe and explain the essence of the utility model；It is practical with this for being construed as any additional limitation all
What novel spirit was disagreed.
Claims (9)
1. a kind of threaded blade, is in the ontology (1) of positive triangle shape including section, the vertex of the ontology (1) is equipped with and institute
The middle part of the corresponding side overmoving surface disposed in parallel (2) of the ontology (1) stated, the ontology (1) has perforative mounting hole
(3), which is characterized in that protrusion and section are equipped on the overmoving surface (2) in the tooth form cutting portion (4) of triangular shape and described
Tooth form cutting portion (4) symmetrical setting centered on the corresponding middle line of the ontology (1).
2. a kind of threaded blade according to claim 1, which is characterized in that three vertex of the ontology (1) are equal
Equipped with above-mentioned tooth form cutting portion (4).
3. a kind of threaded blade according to claim 2, which is characterized in that up and down the two of the tooth form cutting portion (4)
End is symmetrically arranged tooth form cutting edge (5).
4. a kind of threaded blade according to claim 3, which is characterized in that the upper and lower end faces of the ontology (1) are
The blade tip of positioning plane (6) and the tooth form cutting edge (5) is located at the inside of the positioning plane (6).
5. a kind of threaded blade according to claim 3, which is characterized in that the blade tip of the tooth form cutting edge (5) arrives
The distance H of corresponding positioning plane (6) is 0.05mm-0.3mm.
6. a kind of threaded blade according to claim 3 or 4 or 5, which is characterized in that the tooth form cutting portion (4)
Rake face is by the interior acclivitous inclined surface in side outward, and the rake face is equipped with chip breaking boss (7).
7. a kind of threaded blade according to claim 6, which is characterized in that the chip breaking boss (7) is tapered and institute
The chip breaking boss (7) stated is arranged along the sideline of the blade tip of the tooth form cutting edge (5).
8. a kind of threaded blade according to claim 4, which is characterized in that the rake face of the tooth form cutting edge (5)
The included angle A formed between the corresponding positioning plane (6) is 5 ゜ -17 ゜.
9. a kind of threaded blade according to claim 4, which is characterized in that the main cutting of the tooth form cutting edge (5)
The included angle B that sword and the end cutting edge are formed is 30 ゜ -65 ゜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822030433.8U CN209439556U (en) | 2018-12-05 | 2018-12-05 | A kind of threaded blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822030433.8U CN209439556U (en) | 2018-12-05 | 2018-12-05 | A kind of threaded blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209439556U true CN209439556U (en) | 2019-09-27 |
Family
ID=68012353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822030433.8U Active CN209439556U (en) | 2018-12-05 | 2018-12-05 | A kind of threaded blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209439556U (en) |
-
2018
- 2018-12-05 CN CN201822030433.8U patent/CN209439556U/en active Active
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