CN205927229U - Deep hole drill - Google Patents
Deep hole drill Download PDFInfo
- Publication number
- CN205927229U CN205927229U CN201620820960.7U CN201620820960U CN205927229U CN 205927229 U CN205927229 U CN 205927229U CN 201620820960 U CN201620820960 U CN 201620820960U CN 205927229 U CN205927229 U CN 205927229U
- Authority
- CN
- China
- Prior art keywords
- chip removal
- chip
- blade
- cutting edge
- cutter hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 12
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000004301 light adaptation Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 210000003284 Horns Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Abstract
The utility model relates to a deep hole drill, including the cutter body, its characterized in that be provided with central blade, middle blade, outer blade and two guide blocks on the cutter body, cutter body cavity is provided with the chip removal passageway of two interior chip removals on the cutter body, the chip -breaker blade of central blade is with the tank bottom nonparallel and be gradational shape, the chip -breaker blade of middle blade is with the tank bottom nonparallel and be gradational shape. The chip removal passageway includes big chip removal passageway and float bits passageway, and big chip removal passageway corresponds with central blade, outer blade, and float bits passageway corresponds with middle blade. The utility model discloses changed the shape of chip -breaker, formed the shape of the formula that changes gradually, made the chip removal more freely arrange, through changing the angle position between central blade, middle blade and the outer blade, make the cutting force dispersion, and having increaseed the chip removal opening angle of central blade, middle blade and cutter body, the chip removal is more unobstructed when making the drilling to improve cutting ability, increase of service life, the adaptation face is wide.
Description
Technical field
This utility model is related to a kind of depth drill cutter, especially relates to a kind of welding type depth drill.
Background technology
Existing domestic more deep hole machining due to Equipment, during gun drilling due to coolant, pressure, rotating speed etc. because
The impact of element, makes the chip removal shape of cutter work in-process not good, and drilling cuttings chip removal resistance is big, so that product service life is reduced.Additionally,
Existing more deep hole machining mesopore wall surface has decorative pattern or claims knife flower, this decorative pattern helically shape, produces the factor of this decorative pattern
Big with hole wall friction when predominantly holing, the extruding that blade face is formed to hole wall causes.
Utility model content
Technical problem to be solved in the utility model is the above-mentioned deficiency overcoming in the presence of prior art, and provides one
Kind structure is simple, using effect is good, long service life depth drill.
This utility model solves above-mentioned technical problem and be employed technical scheme comprise that：
A kind of depth drill, including cutter hub it is characterised in that being provided with center insert, intermediate blades, outer knife on described cutter hub
Piece and two guide pads；Described cutter hub hollow, cutter hub is provided with the channel of chip removal of two interior chip removals, the chip breaking of center insert
Groove cutting edge and bottom land are not parallel and be in grading profile；The chip-breaker cutting edge of described intermediate blades and bottom land are not parallel and be in gradual change shape
Shape.
Between the chip-breaker cutting edge of center insert described in the utility model and bottom land the absolute value of angle 1 °～10 ° it
Between.
Between the chip-breaker cutting edge of center insert described in the utility model and bottom land the absolute value of angle 1 °～10 ° it
Between.
The angle of center insert cutting edge described in the utility model and outer blade cut cutting edge is between 1 °～10 °；
The angle of intermediate blades cutting edge described in the utility model and outer blade cut cutting edge is between 1 °～10 °.
Channel of chip removal described in the utility model includes big channel of chip removal and little channel of chip removal, the radial section of big channel of chip removal
More than the radial section of little channel of chip removal, big channel of chip removal is corresponding with center insert, outer blade, little channel of chip removal and intermediate blades
Corresponding.
Center insert described in the utility model increases 1 °～10 ° with the chip removal angular aperture of cutter hub.
Intermediate blades described in the utility model increase 1 °～10 ° with the chip removal angular aperture of cutter hub.
Guide pad described in the utility model and cutter hub axial line have inclination angle and form helical form guide pad.
Guide pad described in the utility model is 1 °～30 ° or is -30 °～-1 ° with the inclination angle of cutter hub axial line.
This utility model changes the shape of chip-breaker, forms a kind of shape up-narrow and down-wide or wide at the top and narrow at the bottom of gradual change type
Shape, makes chip removal more smoothly；This utility model passes through to change the angle position between center insert, intermediate blades and outer blade, makes
They make cutting force disperse not on the same line；And increase the chip removal angular aperture of center insert, intermediate blades and cutter hub,
Make chip removal during drilling more unobstructed, to improve cutting ability, to increase the service life, by change guide pad gradient, not only plus
The angle that big guide pad circumferentially supports, and by changing the position of the strong point, hole wall quality when improving drilling is risen
To very big effect, can adapt to the deep hole machining industry in various fields.
Brief description
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the chip-breaker schematic diagram of this utility model embodiment center insert.
Fig. 3 is the chip-breaker schematic diagram of this utility model embodiment intermediate blades.
Fig. 4 is the relative position schematic diagram of this utility model embodiment center insert, intermediate blades, outer blade.
Fig. 5 is the schematic diagram of this utility model embodiment chip removal angular aperture.
Fig. 6 is the side schematic view of this utility model embodiment.
Specific embodiment：
Referring to Fig. 1, this utility model embodiment includes an all-in-one-piece cutter hub 1, cutter hub 1 is provided with center insert 2,
Intermediate blades 3, outer blade 4 and guide pad 5, outer blade 4 is provided with big channel of chip removal 6, intermediate blades with center insert 2 correspondence position
3 correspondence positions are provided with little channel of chip removal 7, carry out interior chip removal by cutter hub 1 internal cavities 8 respectively.
Referring to Fig. 2, chip-breaker 21 cutting edge and the bottom land of the center insert 2 of the present embodiment go out not parallel at bits, in gradual change shape
Shape, angle [alpha] is 1 °～10 ° or can also be -10 °～-1 °, forms a kind of horn mouth form, to change the shape of iron filings curling
Shape, discharged with one kind more preferably shape by be allowed iron filings, effectively can must improve chip removal performance, extend product service life；
Referring to Fig. 3, chip-breaker 31 cutting edge and the bottom land of the intermediate blades 3 of the present embodiment go out not parallel at bits, in gradual change shape
Shape, angle beta is 1 °～10 ° or can also be -10 °～-1 °, forms a kind of horn mouth form, to change the shape of iron filings curling
Shape, discharged with one kind more preferably shape by be allowed iron filings, effectively can must improve chip removal performance, extend product service life；
The center insert 2 of this utility model embodiment, the chip-breaker gradual change of intermediate blades 3 shape can also be according to difference
Need to carry out the conversion of angle and be mutually combined.
Referring to Fig. 4, the cutting edge centrage of the cutting edge centrage of the center insert 2 of the present embodiment and outer blade 4
Included angle at an angle, to change the direction of iron filings chip removal, allows iron filings discharge smoothly, and can disperse in drilling
Cutting force, makes drill bit more steady in drilling, to reach the purpose extending drilling life of bit.The intermediate blades of the present embodiment
The cutting edge centrage of 3 cutting edge centrage and outer blade 4 angle theta at an angle, to change iron filings chip removal
Direction, allows iron filings discharge smoothly, and can disperse cutting force in drilling, makes drill bit more steady in drilling, to reach
To the purpose extending drilling life of bit.
Referring to Fig. 5, the center insert 2 of the present embodiment, intermediate blades 3 are obtained with chip removal angular aperture γ, δ of cutter hub 1 respectively
Increase, make chip space bigger, improve chip removal performance.
The present embodiment described two guide pad centrage is in certain angle with the axial line of cutter hub 1, forms spirally-guided
Block.Referring to Fig. 6, two guide pads 5 and the axial line of the present embodiment have certain angle of inclination beta（It is not zero）, this angle of inclination beta can basis
Different need to carry out the change of angle, to increase the angle that circumferentially guide pad 5 supports, increase rigidity of support；And guide
The gradient that block 5 is carried makes it form a kind of spirally-guided block, can preferably play the effect of oil abrasion in drilling, extends and uses
Life-span.
Center insert B of this utility model embodiment, the cutting edge of intermediate blades C and the cutting edge of outer blade D
Angle can also need to carry out the conversion of angle and is mutually combined according to different.
The simple deformation of every this utility model embodiment technical scheme and technical characteristic or combination, are all deemed to fall this
The protection domain of utility model.
Claims (10)
1. a kind of depth drill, including cutter hub it is characterised in that：Center insert, intermediate blades, outer blade are provided with described cutter hub
And two guide pads；Described cutter hub hollow, cutter hub is provided with the channel of chip removal of two interior chip removals, the chip-breaker of center insert
It is in grading profile between cutting edge and bottom land；It is in grading profile between the chip-breaker cutting edge of described intermediate blades and bottom land.
2. depth drill according to claim 1, is characterized in that：Press from both sides between the chip-breaker cutting edge of described center insert and bottom land
The absolute value at angle is between 1 °～10 °.
3. depth drill according to claim 1, is characterized in that：Press from both sides between the chip-breaker cutting edge of described intermediate blades and bottom land
The absolute value at angle is between 1 °～10 °.
4. depth drill according to claim 1 and 2, is characterized in that：Described center insert cutting edge and outer blade cut
The angle of cutting edge is between 1 °～10 °.
5. the depth drill according to claim 1 or 3, is characterized in that：Described intermediate blades cutting edge and outer blade cut
The angle of cutting edge is between 1 °～10 °.
6. depth drill according to claim 1, is characterized in that：Described channel of chip removal includes big channel of chip removal and little chip removal is led to
Road, the radial section of big channel of chip removal is more than the radial section of little channel of chip removal, big channel of chip removal and center insert, outer blade pair
Should, little channel of chip removal is corresponding with intermediate blades.
7. the depth drill according to claim 1 or 2 or 3, is characterized in that：Described center insert and the chip removal angular aperture of cutter hub
Increase 1 °～10 °.
8. the depth drill according to claim 1 or 2 or 3, is characterized in that：Described intermediate blades and the chip removal angular aperture of cutter hub
Increase 1 °～10 °.
9. depth drill according to claim 1, is characterized in that：Described guide pad has inclination angle with cutter hub axial line and is formed
Helical form guide pad.
10. depth drill according to claim 9, is characterized in that：The inclination angle of described guide pad and cutter hub axial line is 1 °～
30 ° or be -30 °～-1 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820960.7U CN205927229U (en) | 2016-08-01 | 2016-08-01 | Deep hole drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820960.7U CN205927229U (en) | 2016-08-01 | 2016-08-01 | Deep hole drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205927229U true CN205927229U (en) | 2017-02-08 |
Family
ID=57923962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620820960.7U Active CN205927229U (en) | 2016-08-01 | 2016-08-01 | Deep hole drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205927229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743128A (en) * | 2020-12-30 | 2021-05-04 | 浙江欣兴工具有限公司 | Welded BTA deep hole bores |
-
2016
- 2016-08-01 CN CN201620820960.7U patent/CN205927229U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743128A (en) * | 2020-12-30 | 2021-05-04 | 浙江欣兴工具有限公司 | Welded BTA deep hole bores |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314301 No. 699, Yanshan Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Xinxing Tools Co.,Ltd. Address before: No. 33, Huanbei Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XINXING TOOLS Co.,Ltd. |
|
| CP03 | Change of name, title or address |