CN209578270U - Cross alloy blade - Google Patents
Cross alloy blade Download PDFInfo
- Publication number
- CN209578270U CN209578270U CN201920047419.0U CN201920047419U CN209578270U CN 209578270 U CN209578270 U CN 209578270U CN 201920047419 U CN201920047419 U CN 201920047419U CN 209578270 U CN209578270 U CN 209578270U
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- main cutting
- cutting edge
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- face
- cutting face
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/50—Drilling tools comprising cutting inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The utility model discloses a kind of cross alloy blade, by the main cutting edge in operator both sides of head by being equipped with discontinuous first main cutting edge and the second main cutting edge, whole stock-removing efficiency is improved when the cooperating of two end cutting edges, it is simultaneously the arc blade recessed to operator head bottom close to the first main cutting edge of centre spot, second main cutting edge straight line blade, it is cut by the first main cutting edge when processing, since the first main cutting edge is arc blade, the pressure dissipation that will can be subject to the maximum extent in cutting, and the first chip space is set between the first main cutting edge and the second main cutting edge and separates the two, the power that the first main cutting edge can be effectively prevent to receive when working is conducted to the second main cutting edge, therefore whole main cutting edge is relatively more resistant to abrasive wear, effectively prolong the service life, the scrap in cutting process is discharged simultaneously , prevent the first main cutting edge and the second main cutting edge from repeating and scrap frictional influence processing efficiency.
Description
Technical field
The utility model relates to bit technique field, espespecially a kind of cross alloy blade.
Background technique
Drill bit is a kind of common tool, is mainly made of drilling rod with the blade that drill rod end is arranged in, mainly leads to
The operation that rotation makes drill bit end blade complete drilling or cutting is crossed, and blade can be divided into a word according to different processing needs
Shape, triangle, cross blade etc..
For cross blade, structure group layer be include an operator head and secondary cutter head, wherein operator head and with secondary cutter head
It is vertically arranged to form cross, the two sides of main bit tip are tiltedly installed with main cutting edge, and secondary cutter head two sides are tiltedly installed with pair
Cutting edge.Bit is driven by driving device when processing, is cut with the main cutting edge for head of operating, the pair of secondary cutter head is cut
It considers sword to be worth doing and carries out assisted machining, to achieve the purpose that processing.
In practice, it has been found that there are faults of construction below for existing this cross blade: the master for both sides of head of operating cuts
Cutting sword is a straight line being extended continuously, and stress first is at the roof intersection of two main cutting edges, due to main cutting edge when cutting
It is a continuous straight line, therefore when cutting, stress can pass to the part that do not cut also at the top of main cutting edge, increase main cutting
The abrasion of sword entirety, reduces its service life, while cutting efficiency is low.
Utility model content
To solve the above problems, the utility model provides a kind of cross alloy blade, wearability is high, long service life, together
When stock-removing efficiency it is high.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: cross alloy blade, including alloy material
Expect that the operator head and secondary cutter head of production, operator head and secondary cutter head are arranged in a mutually vertical manner to form cross, the two sides of main bit tip
It is tiltedly installed with main cutting edge, two main cutting edges are crossed to form centre spot, and the two sides of secondary bit tip are tiltedly installed with pair
Cutting edge, the main cutting edge include the first main cutting edge and the second main cutting edge, the first main cutting edge and the second main cutting edge
Between discontinuously extend, wherein the first main cutting edge leans on pericenter site, and the first main cutting edge is arc blade, and the arc
Shape sword is recessed to operator head bottom, and the second main cutting edge is straight line blade, wherein the first main cutting edge and the second main cutting edge it
Between be provided with the first chip space.
Specifically, the angle of two main cutting edges is 142-148 degree in the operator head, the folder of two end cutting edges in secondary cutter head
Angle is 147-153 degree.
Specifically, in the secondary cutter head, end cutting edge is provided with the second chip space close to the side of main cutting edge.
Specifically, first main cutting edge intersects shape by the first main cutting face being mutually inclined and the second main cutting face
At the second main cutting edge is crossed to form by the third main cutting face being mutually inclined and the 4th main cutting face, wherein the first main cutting
The area in face is greater than the area in the second main cutting face, and the area in third main cutting face is greater than the area in the 4th main cutting face, and the
One main cutting face and third main cutting face are located at the same side, and the second main cutting face and the 4th main cutting face are located at the same side, and two
The first main cutting face, the second main cutting, third main cutting face and the 4th main cutting face of main cutting edge are about in centre spot
The heart is symmetrical.
Specifically, the operator both sides of head is equipped with the first chamfering, and first chamfering is about central point site center pair
Claim, and the angle of first chamfering is 6.5-9.5 degree.
Specifically, the end cutting edge includes the first secondary cutting face and the second secondary cutting face, wherein the first secondary cutting face
Area is greater than the area in the second secondary cutting face, and the first secondary cutting face of two end cutting edges and the second secondary cutting face are fixed about center
Site central symmetry.
Specifically, the secondary cutter head two sides are equipped with the second chamfering, second chamfering about central point site central symmetry,
And the angle of second chamfering is 6.5-9.5 degree.
The utility model has the beneficial effects that:
By being equipped with discontinuous first main cutting edge and the second main cutting edge, both ends in the main cutting edge of operator both sides of head
Whole stock-removing efficiency is improved when the cooperating of cutting edge, at the same close to the first main cutting edge of centre spot be to
It operates the recessed arc blade in head bottom, the second main cutting edge straight line blade, when processing, cuts by the first main cutting edge, by
In the first main cutting edge be arc blade, the pressure dissipation that will can be subject to the maximum extent in cutting, and the first main cutting edge
And second be arranged the first chip space between main cutting edge and separate the two, and the first main cutting edge can be effectively prevent to receive when working
Power is conducted to the second main cutting edge, therefore whole main cutting edge is relatively more resistant to abrasive wear, effectively prolongs the service life, while by cutting process
In scrap discharge, prevent the first main cutting edge and the second main cutting edge from repeating and scrap frictional influence processing efficiency.
Detailed description of the invention
Fig. 1 is the front view of the utility model；
Fig. 2 is the top view of the utility model；
Fig. 3 is the side view of the utility model.
Fig. 4 is the top view of secondary cutter head in the utility model.
Specific embodiment
It please refers to shown in Fig. 1-4, the utility model discloses a kind of cross alloy blade, the operator including alloy material production
First 1 and secondary cutter head 2, operator head 1 and secondary cutter head 2, which are arranged in a mutually vertical manner, to be formed cross, and the two sides on operator 1 top of head are obliquely installed
There is main cutting edge, two main cutting edges are crossed to form centre spot 10, and the two sides on secondary 2 top of cutter head are tiltedly installed with end cutting edge
21, the main cutting edge includes the first main cutting edge 11 and the second main cutting edge 12, the first main cutting edge 11 and the second main cutting
It is discontinuously to extend between sword 12, wherein 11 sword of the first main cutting leans on pericenter site 10, and the first main cutting edge 11 is arc
Shape blade, and the arcuate blade is recessed to operator 1 bottom of head, the second main cutting edge 12 is straight line blade, wherein the first main cutting
The first chip space 13 is provided between sword 11 and the second main cutting edge 12.
Discontinuous first main cutting edge 11 and the second main cutting edge are equipped with by the main cutting edge in operator 1 two sides of head
12, whole stock-removing efficiency is improved when the cooperating of two end cutting edges, while first close to centre spot 10 is main
Cutting edge 11 is to the recessed arc blade in operator 1 bottom of head, 12 straight line blade of the second main cutting edge, and when processing is main by first
Cutting edge 11 starts to cut, since the first main cutting edge 11 is arc blade, the pressure that will can be subject to the maximum extent in cutting
Power dispersion, and the first chip space 13 is set between first main cutting edge 11 and the second main cutting edge 12 and separates the two, it can be effective
The power for preventing the first main cutting edge 11 from receiving when working is conducted to the second main cutting edge 12, therefore whole main cutting edge is more resistance to
Mill, effectively prolongs the service life, while the scrap in cutting process being discharged, and prevents the first main cutting edge 11 and the second main cutting
The repetition of 12 swords and scrap frictional influence processing efficiency, to further improve whole cutting efficiency, end cutting edge 21 is close to main
The side of cutter head 1 is provided with the second chip space 22, and end cutting edge 2 will be given up during assisted machining by the second chip space 22
Bits discharge.
In order to further increase stock-removing efficiency, the service life of cutter head is improved, main cutting edge and end cutting edge are rationally set
Tilt angle be very necessary, in the present embodiment operate head 1 in two main cutting edges included angle A be 142-148 degree, secondary knife
The included angle B of two end cutting edges is 147-153 degree in first 2, and preferably A is 145 degree, and B is 150 degree.
Further, first main cutting edge 11 is by the first main cutting face 111 being mutually inclined and the second main cutting face
112 are crossed to form, and the second main cutting edge 12 intersects shape by the third main cutting face 121 being mutually inclined and the 4th main cutting face 122
At wherein the area in the first main cutting face 11 is greater than the area in the second main cutting face 112, the area in third main cutting face 121 is big
Area in the 4th main cutting face 122, and the first main cutting face 111 and 121 face of third main cutting are located at the same side, the second master cuts
Bevel 112 and the 4th main cutting face 122 are located at the same side, and the first main cutting face 111 of two main cutting edges, the second main cutting
112, third main cutting face 121 and the 4th main cutting face 122 are about 10 central symmetry of centre spot, 1 two sides of operator head
Equipped with the first chamfering 14, and first chamfering 14 is about 10 central symmetry of central point site, and the angle of first chamfering 14
Spending is 6.5-9.5 degree, preferably 8 degree；
The end cutting edge 21 includes the first secondary cutting face 211 and the second secondary cutting face 212, wherein the first secondary cutting face
211 area is greater than the area in the second secondary cutting face 212, and the first secondary cutting face 211 of two end cutting edges and the second secondary cutting
Face 212 is equipped with the second chamfering 23 about 10 central symmetry of centre spot, pair 2 two sides of cutter head, and second chamfering 23 is closed
In 10 central symmetry of central point site, and the angle of second chamfering 23 is 6.5-9.5 degree, preferably 8 degree.
Using the above scheme, main cutting edge and end cutting edge are intersected by the different cutting face of area, wherein
The biggish cutting face of area is main cutting face, and its purpose is to stress during the cutting process, to improve its rub proofness；And it leads
The two sides of cutter head and secondary cutter head are provided with chamfering, then the chip removal in aperture when cutting to drill.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (7)
1. a kind of cross alloy blade, operator head and secondary cutter head including alloy material production, operator head and secondary cutter head mutually hang down
Directly setting is formed cross, and the two sides of main bit tip are tiltedly installed with main cutting edge, and it is fixed that two main cutting edges are crossed to form center
The two sides in site, secondary bit tip are tiltedly installed with end cutting edge, which is characterized in that the main cutting edge includes the first main cutting
Sword and the second main cutting edge are discontinuously to extend between the first main cutting edge and the second main cutting edge, wherein the first main cutting edge leans on
Pericenter site, and the first main cutting edge is arc blade, and the arcuate blade is recessed to operator head bottom, the second main cutting
Sword is straight line blade, wherein being provided with the first chip space between the first main cutting edge and the second main cutting edge.
2. cross alloy blade according to claim 1, it is characterised in that: the angle of two main cutting edges in the operator head
For 142-148 degree, the angle of two end cutting edges is 147-153 degree in secondary cutter head.
3. cross alloy blade according to claim 2, it is characterised in that: in the pair cutter head, end cutting edge is close to main
The side of cutting edge is provided with the second chip space.
4. cross alloy blade according to claim 1-3, it is characterised in that: first main cutting edge is by phase
Mutual inclined first main cutting face and the second main cutting face are crossed to form, and the second main cutting edge is by the third main cutting that is mutually inclined
Face and the 4th main cutting face are crossed to form, wherein the area in the first main cutting face is greater than the area in the second main cutting face, third master
The area in cutting face is greater than the area in the 4th main cutting face, and the first main cutting face and third main cutting face are located at the same side, the
Two main cutting faces and the 4th main cutting face are located at the same side, and the first main cutting face of two main cutting edges, the second main cutting, third
Main cutting face and the 4th main cutting face are about centre spot central symmetry.
5. cross alloy blade according to claim 4, it is characterised in that: the operator both sides of head is equipped with the first chamfering,
And first chamfering is about central point site central symmetry, and the angle of first chamfering is 6.5-9.5 degree.
6. cross alloy blade according to claim 1-3, it is characterised in that: the end cutting edge includes first
Secondary cutting face and the second secondary cutting face, wherein the area in the first secondary cutting face is greater than the area in the second secondary cutting face, and two pairs are cut
The the first secondary cutting face and the second secondary cutting face for cutting sword are about centre spot central symmetry.
7. cross alloy blade according to claim 6, it is characterised in that: the pair cutter head two sides are equipped with the second chamfering,
Second chamfering is about central point site central symmetry, and the angle of second chamfering is 6.5-9.5 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047419.0U CN209578270U (en) | 2019-01-11 | 2019-01-11 | Cross alloy blade |
| DE202019102439.9U DE202019102439U1 (en) | 2019-01-11 | 2019-04-30 | Crossed alloyed sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047419.0U CN209578270U (en) | 2019-01-11 | 2019-01-11 | Cross alloy blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209578270U true CN209578270U (en) | 2019-11-05 |
Family
ID=67308861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920047419.0U Active CN209578270U (en) | 2019-01-11 | 2019-01-11 | Cross alloy blade |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209578270U (en) |
| DE (1) | DE202019102439U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147260A (en) * | 2021-12-09 | 2022-03-08 | 浙江立昌科技有限公司 | Alloy drill bit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570185B (en) * | 2022-11-09 | 2024-08-27 | 山东大学 | Large-diameter composite mechanical clamping type deep hole drill |
-
2019
- 2019-01-11 CN CN201920047419.0U patent/CN209578270U/en active Active
- 2019-04-30 DE DE202019102439.9U patent/DE202019102439U1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147260A (en) * | 2021-12-09 | 2022-03-08 | 浙江立昌科技有限公司 | Alloy drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202019102439U1 (en) | 2019-07-02 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |