CN208961014U - A kind of circular arc R knife - Google Patents
A kind of circular arc R knife Download PDFInfo
- Publication number
- CN208961014U CN208961014U CN201821147422.1U CN201821147422U CN208961014U CN 208961014 U CN208961014 U CN 208961014U CN 201821147422 U CN201821147422 U CN 201821147422U CN 208961014 U CN208961014 U CN 208961014U
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- CN
- China
- Prior art keywords
- blade
- circular arc
- cutter head
- knife
- ductile layers
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Abstract
The utility model discloses a kind of circular arc R knives, including circular arc R knife main body and cutter head, the cutter head is fixedly installed on circular arc R knife body side bottom end, the cutter head is made of blade a, blade b, blade c and blade d, the blade b and blade c is respectively arranged at the two sides blade a, and the blade d is set to the side blade c, and mono- side surface blade a is provided with four groups of ductile layers, blade a is run through in ductile layers one end described in four groups, and extends to blade a outer wall side.The utility model is by being made cutter head for blade a, blade b, blade c and blade d integrated moldingization, and blade d is made arc-shaped, be conducive to improve the cutting effect of circular arc R knife, the ductile layers made of Nitinol are set in cutter head simultaneously, be conducive to cutter head under high-speed cutting, the torsional forces generated inside cutter head can be reduced, to substantially increase the service life of cutter head.
Description
Technical field
The utility model relates to cutting-tool engineering field, in particular to a kind of circular arc R knife.
Background technique
The Ultra-precision machining technology of circular arc R knife is mainly used in the Ultra-precision machining of single-piece heavy parts and big
The Ultra-precision machining of middle-size and small-size part in amount production.For circular arc R knife as a kind of Ultra-precision machining cutter, it can
Machining is quickly and effectively carried out, and the cutting ability that works is stable and wear-resistant.
But existing circular arc R knife cuts precision bottom, and circular arc R knife is easy to produce torsional forces in high-speed cutting,
So that circular arc R knife is deformed, under working environment as long-time, the service life of circular arc R knife is substantially reduced.Cause
This, it is necessary to solve the above problems to invent a kind of circular arc R knife.
Utility model content
The purpose of this utility model is to provide a kind of circular arc R knives, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of circular arc R knife, including circular arc R knife main body and cutter head, the cutter head are fixedly installed on circular arc R knife body side bottom
End, the cutter head are made of blade a, blade b, blade c and blade d, and the blade b and blade c are respectively arranged at blade a two
Side, the blade d are set to the side blade c, and mono- side surface blade a is provided with four groups of ductile layers, ductile layers described in four groups
Blade a is run through in one end, and extends to blade a outer wall side.
In a preferred embodiment of the utility model, the blade a and blade b cross-sectional shape be by rectangle and
The setting of right-angled trapezium integrated molding, and the short rectangular edges of blade a and blade b long rectangular edges are connected with each other.
In a preferred embodiment of the utility model, the blade c cross-sectional shape is set as triangle, the knife
Sword d cross-sectional shape is set as quarter circular arc, and the blade c is collinearly arranged with the right-angled trapezium bevel edge of blade a on one side, institute
The another both sides blade c are stated to be fixedly connected with blade a right-angled trapezium short side and blade d straight line respectively.
In a preferred embodiment of the utility model, the ductile layers are made of Nitinol, and ductile layers with
Cutter head integrally changes setting.
The technical effect and advantage of the utility model: the utility model is by by blade a, blade b, blade c and blade d mono-
Cutter head is made in body formedization, and blade d is made arc-shaped, is conducive to the cutting effect for improving circular arc R knife, while in cutter head
Interior setting ductile layers made of Nitinol, are conducive to cutter head under high-speed cutting, it is possible to reduce the torsion generated inside cutter head
Square power, to substantially increase the service life of cutter head.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model cutter head cross section structure schematic diagram.
In figure: 1 circular arc R knife main body, 2 cutter heads, 3 blade a, 4 blade b, 5 blade c, 6 blade d, 7 ductile layers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of circular arc R knife as shown in Figs. 1-2, including circular arc R knife main body 1 and cutter head 2, described
Cutter head 2 is fixedly installed on 1 side bottom end of circular arc R knife main body, and the cutter head 2 is by blade a3, blade b4, blade c5 and blade d6
Composition, the blade b4 and blade c5 are respectively arranged at the two sides blade a3, and the blade d6 is set to the side blade c5, the knife
Mono- side surface sword a3 is provided with four groups of ductile layers 7, and blade a3 is run through in 7 one end of ductile layers described in four groups, and extends to blade a3
Outer wall side.
The blade a3 and blade b4 cross-sectional shape are by rectangle and the setting of right-angled trapezium integrated molding, and blade
The short rectangular edges of a3 and blade b4 long rectangular edges are connected with each other.
The blade c5 cross-sectional shape is set as triangle, and the blade d6 cross-sectional shape is set as quadrant
Arc, the blade c5 are collinearly arranged with the right-angled trapezium bevel edge of blade a3 on one side, the another both sides blade c5 respectively with blade a3
Right-angled trapezium short side is fixedly connected with blade d6 straight line.
The ductile layers 7 are made of Nitinol, and ductile layers 7 and 2 integralization of cutter head are arranged.
This practical working principle: the utility model is by by blade a3, blade b4, blade c5 and blade d6 integrated moldingization
Cutter head 2 is made, and blade d6 is made arc-shaped, is conducive to the cutting effect for improving circular arc R knife, while setting in cutter head 2
Ductile layers 7 made of Nitinol are set, are conducive to cutter head 2 under high-speed cutting, it is possible to reduce the torque generated inside cutter head 2
Power, to substantially increase the service life of cutter head 2.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of circular arc R knife, including circular arc R knife main body (1) and cutter head (2), it is characterised in that: cutter head (2) fixed setting
In circular arc R knife main body (1) side bottom end, the cutter head (2) is by blade a (3), blade b (4), blade c (5) and blade d (6)
Composition, the blade b (4) and blade c (5) are respectively arranged at blade a (3) two sides, and the blade d (6) is set to blade c (5)
Side, (3) one side surface blade a are provided with four groups of ductile layers (7), and blade a is run through in ductile layers described in four groups (7) one end
(3), and blade a (3) outer wall side is extended to.
2. a kind of circular arc R knife according to claim 1, it is characterised in that: the blade a (3) and blade b (4) cross section
Shape is by rectangle and the setting of right-angled trapezium integrated molding, and blade a (3) short rectangular edges and the long rectangular edges phase of blade b (4)
It connects.
3. a kind of circular arc R knife according to claim 1, it is characterised in that: blade c (5) cross-sectional shape is set as
Triangle, blade d (6) cross-sectional shape are set as quarter circular arc, and the blade c (5) is on one side with blade a's (3)
Right-angled trapezium bevel edge is collinearly arranged, and the another both sides of the blade c (5) are straight with blade a (3) right-angled trapezium short side and blade d (6) respectively
Line side is fixedly connected.
4. a kind of circular arc R knife according to claim 1, it is characterised in that: the ductile layers (7) are by Nitinol system
At, and ductile layers (7) and cutter head (2) integralization are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147422.1U CN208961014U (en) | 2018-07-19 | 2018-07-19 | A kind of circular arc R knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147422.1U CN208961014U (en) | 2018-07-19 | 2018-07-19 | A kind of circular arc R knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208961014U true CN208961014U (en) | 2019-06-11 |
Family
ID=66748727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821147422.1U Expired - Fee Related CN208961014U (en) | 2018-07-19 | 2018-07-19 | A kind of circular arc R knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208961014U (en) |
-
2018
- 2018-07-19 CN CN201821147422.1U patent/CN208961014U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 899 Yuanzhong Road, Nanhui Industrial Park, Pudong New Area, Shanghai, 201314 Patentee after: Shanghai Hongzhong Equipment Co.,Ltd. Address before: 899 Yuanzhong Road, Nanhui Industrial Park, Pudong New Area, Shanghai, 201314 Patentee before: SHANGHAI HONGCHONG MACHINERY EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |