CN206405475U - A kind of new-type cutter for improving hole wall finish - Google Patents
A kind of new-type cutter for improving hole wall finish Download PDFInfo
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- CN206405475U CN206405475U CN201720037809.0U CN201720037809U CN206405475U CN 206405475 U CN206405475 U CN 206405475U CN 201720037809 U CN201720037809 U CN 201720037809U CN 206405475 U CN206405475 U CN 206405475U
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- blade
- hole wall
- guide part
- cutting edge
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Abstract
The utility model discloses a kind of new-type cutter for improving hole wall finish, it is related to cutting tool technical field.The utility model includes handle of a knife and the blade being connected with handle of a knife, the end of blade is provided with guide part, guide part is tapered, and the cone inclined-plane of guide part and the guide angle folded by horizontal direction are 10 degree to 80 degree, blade is in inverted cone shape, and back taper amount is 0.12~0.15mm/100mm, and guide part is provided with main cutting edge, including two sections of indent Circular Nose Cutting Edges on main cutting edge, the diameter ratio of indent Circular Nose Cutting Edge and blade is 0.18~0.2:1.A kind of new-type cutter for improving hole wall finish of the present utility model, blade is in inverted cone shape, and the diameter away from cutting tip is tapered into, and can reduce blade land to hole wall scratch；Include two sections of indent Circular Nose Cutting Edges on its main cutting edge, the certralizing ability of the drill bit can be strengthened, borehole accuracy is higher, and be conducive to a point bits.
Description
Technical field
The utility model is related to cutting tool technical field, and the new of hole wall finish is improved more specifically to a kind of
Type cutter.
Background technology
Finish in usual machining holes is to be reamed to improve the finish of hole wall using forming reamer.But by
In reamer limitation, the allowance that it is put is unsuitable excessive, can only be processed in 0.1 or so surplus.Surplus is more than 0.1
Then ream difficult, manual abrasive drilling is extremely difficult to standard size, easily mill is inclined, it is difficult to ensure the standard size in hole, and hole drill is big,
Hinge is less than losing the due effect of reamer again.
In view of the above-mentioned problems, applicant is it is proposed that number of patent application is CN200920045458.3 application case, the Shen
Please case patent name be：A kind of cutter for being used to improve hole wall finish, authorized announcement date is 2 months 2010 17 days, this application
Case includes knife bar, blade and blade, and the blade is provided with spiral helicine blade, and the blade end is provided with cutter head guide end,
Cutter head guide end is tapered, and the cone inclined-plane and the guide angle folded by horizontal direction of cutter head guide end are 10 degree to 80 degree, the Shen
Please case fully used for reference the superiority of milling cutter, in the processing of hole wall finish, there is incomparable superiority, and structure letter
Single, practical reliable, the easy to process, life-span is permanent, the drawbacks of overcoming traditional reamer, at the same practical multiaspect blade cut,
Effect is high, rotary speed is fast, highly polished, aperture is unified, and surplus is larger.During actual use, it is found by the applicant that
The machining accuracy of the cutter still can further improve.
The content of the invention
1. the utility model technical problem to be solved
The purpose of this utility model is further to improve a kind of adding for existing cutter for being used to improve hole wall finish
There is provided a kind of new-type cutter for improving hole wall finish for work precision.Using the technical solution of the utility model, the end of blade is set
Have a guide part of taper, blade is in inverted cone shape, and back taper amount is 0.12~0.15mm/100mm, the diameter away from cutting tip by
Gradual change is small, can reduce blade land to hole wall scratch；Guide part, which is provided with main cutting edge, main cutting edge, includes two sections of indent circles
The diameter ratio of arc sword, indent Circular Nose Cutting Edge and blade is 0.18~0.2:1, the certralizing ability of the drill bit can be strengthened, borehole accuracy is more
Height, and be conducive to a point bits.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the utility model is provided is：
A kind of new-type cutter for improving hole wall finish of the present utility model, including handle of a knife and the blade that is connected with handle of a knife,
The end of described blade is provided with guide part, and described guide part is tapered, and folded by the cone inclined-plane and horizontal direction of guide part
Guide angle be 10 degree to 80 degree, described blade is in inverted cone shape, and back taper amount is 0.12~0.15mm/100mm, and described leads
Being provided with to portion on main cutting edge, described main cutting edge includes two sections of indent Circular Nose Cutting Edges, described indent Circular Nose Cutting Edge and blade
Diameter ratio be 0.18~0.2:1, and the surface of guide part is provided with nano-composite coating.
Further, the cutter uses hard alloy steel or high-speed steel.
Further, the back taper amount of described blade is 0.14mm/100mm.
Further, the diameter ratio of described indent Circular Nose Cutting Edge and blade is 0.19：1.
3. beneficial effect
The technical scheme provided using the utility model, compared with existing known technology, is had the advantages that：
(1) a kind of new-type cutter for improving hole wall finish of the present utility model, the end of blade is provided with the guiding of taper
Portion, blade is in inverted cone shape, and back taper amount is 0.12~0.15mm/100mm, and the diameter away from cutting tip is tapered into, can subtracted
Small blade land is to hole wall scratch, and the machining accuracy of hole wall is higher.
(2) two sections of indents are included on a kind of new-type cutter for improving hole wall finish of the present utility model, its main cutting edge
The diameter ratio of Circular Nose Cutting Edge, indent Circular Nose Cutting Edge and blade is 0.18~0.2:1, the certralizing ability of the drill bit, borehole accuracy can be strengthened
It is higher, and be conducive to a point bits.
(3) a kind of new-type cutter for improving hole wall finish of the present utility model, the surface of its guide part is multiple provided with nanometer
Coating is closed, the rate of wear of drill bit can be slowed down, service life is longer.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the new-type cutter for improving hole wall finish of the present utility model；
Fig. 2 is the structural representation of guide part of the present utility model.
Label declaration in schematic diagram：
1st, handle of a knife；2nd, blade；3rd, guide part；31st, main cutting edge；32nd, indent Circular Nose Cutting Edge.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to Fig. 1 and Fig. 2, a kind of new-type cutter of raising hole wall finish of the present embodiment, including handle of a knife 1 and and handle of a knife
The blade 2 of 1 connection, the end of blade 2 is provided with guide part 3, and the guide part 3 is tapered, and cone inclined-plane and the level side of guide part 3
It it is 10 degree to 80 degree to folded guide angle；Blade 2 is in inverted cone shape, and back taper amount is 0.12~0.15mm/100mm, remote to cut
The diameter for cutting part is tapered into, and can reduce blade land to hole wall scratch, the machining accuracy of hole wall is higher, it is preferable that blade 2
Back taper measure 0.14mm/100mm；Guide part 3, which is provided with main cutting edge 31, main cutting edge 31, includes two sections of indent Circular Nose Cutting Edges
32, two sections of indent Circular Nose Cutting Edges 32 can ensure the intensity of main cutting edge, and interior concave arc while drill bit certralizing ability is improved
The diameter ratio of sword 32 and blade 2 is 0.18~0.2:1, borehole accuracy is higher, and is conducive to a point bits, it is preferable that the present embodiment
The diameter ratio of indent Circular Nose Cutting Edge 32 and blade 2 is 0.19：1.
In the present embodiment, the cutter is made of hard alloy steel or high-speed steel, and the surface of guide part 3 is provided with nanometer
Composite coating, can slow down the rate of wear of drill bit, and service life is longer.
For a kind of new-type cutter of raising hole wall finish for more fully understanding the present embodiment, now to process 8 millimeters
The use of the present embodiment is briefly described exemplified by hole.First, bored using 7.3 millimeters to 7.6 millimeters of drill bit in precalculated position
Go out through hole；Then the blade 2 from the present embodiment is 8 millimeters of cutter, finds the center in hole accurately；Then, enter knife, process the hole；
Finally, go out knife, machine.
A kind of new-type cutter for improving hole wall finish of the present utility model, the end of blade is provided with the guide part of taper,
Blade is in inverted cone shape, and back taper amount is 0.12~0.15mm/100mm, and the diameter away from cutting tip is tapered into, and can reduce knife
Body land is to hole wall scratch；Guide part, which is provided with main cutting edge, main cutting edge, includes two sections of indent Circular Nose Cutting Edges, indent Circular Nose Cutting Edge
Diameter ratio with blade is 0.18~0.2:1, the certralizing ability of the drill bit can be strengthened, borehole accuracy is higher, and be conducive to a point bits.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, without creatively designing
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (4)
1. a kind of new-type cutter for improving hole wall finish, including handle of a knife (1) and the blade (2) that is connected with handle of a knife (1), described
The end of blade (2) is provided with guide part (3), and described guide part (3) is tapered, and cone inclined-plane and the level side of guide part (3)
It is 10 degree to 80 degree to folded guide angle, it is characterised in that：Described blade (2) be in inverted cone shape, and back taper amount be 0.12~
0.15mm/100mm, described guide part (3), which is provided with main cutting edge (31), described main cutting edge (31), to be included in two sections
Concave arc sword (32), described indent Circular Nose Cutting Edge (32) and the diameter ratio of blade (2) are 0.18~0.2:1, and guide part (3)
Surface is provided with nano-composite coating.
2. a kind of new-type cutter for improving hole wall finish according to claim 1, it is characterised in that：The cutter is using hard
Matter steel alloy or high-speed steel.
3. a kind of new-type cutter for improving hole wall finish according to claim 1 or 2, it is characterised in that：Described knife
The back taper amount of body (2) is 0.14mm/100mm.
4. a kind of new-type cutter for improving hole wall finish according to claim 3, it is characterised in that：Described indent circle
The diameter ratio of arc sword (32) and blade (2) is 0.19：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037809.0U CN206405475U (en) | 2017-01-13 | 2017-01-13 | A kind of new-type cutter for improving hole wall finish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037809.0U CN206405475U (en) | 2017-01-13 | 2017-01-13 | A kind of new-type cutter for improving hole wall finish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206405475U true CN206405475U (en) | 2017-08-15 |
Family
ID=59554510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720037809.0U Active CN206405475U (en) | 2017-01-13 | 2017-01-13 | A kind of new-type cutter for improving hole wall finish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206405475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176896A (en) * | 2018-02-01 | 2018-06-19 | 苏州阿诺精密切削技术有限公司 | For the burnishing-in reamer of high-accuracy deep hole machining |
| CN113843438A (en) * | 2021-11-30 | 2021-12-28 | 广东蓝特精密机械有限公司 | PCD drill bit |
-
2017
- 2017-01-13 CN CN201720037809.0U patent/CN206405475U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176896A (en) * | 2018-02-01 | 2018-06-19 | 苏州阿诺精密切削技术有限公司 | For the burnishing-in reamer of high-accuracy deep hole machining |
| CN108176896B (en) * | 2018-02-01 | 2023-10-17 | 苏州阿诺精密切削技术有限公司 | Burnishing reamer for high-precision deep hole machining |
| CN113843438A (en) * | 2021-11-30 | 2021-12-28 | 广东蓝特精密机械有限公司 | PCD drill bit |
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