CN206305514U - Fluted drill with cooling structure on land - Google Patents
Fluted drill with cooling structure on land Download PDFInfo
- Publication number
- CN206305514U CN206305514U CN201621462597.2U CN201621462597U CN206305514U CN 206305514 U CN206305514 U CN 206305514U CN 201621462597 U CN201621462597 U CN 201621462597U CN 206305514 U CN206305514 U CN 206305514U
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- CN
- China
- Prior art keywords
- fluted drill
- cooling bath
- land
- cooling
- section
- 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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- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 abstract description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses the fluted drill with cooling structure on a kind of land, its cross section surrounds by two inner edge curves for being formed by one section of arc and straight line respectively and by two sections of outer counters that fluted drill outer rim is formed, cooling structure on two lands of the fluted drill is cooling bath, in the shape of a spiral, the spiral angle of cooling bath is consistent with the spiral angle of the chip area of fluted drill for cooling bath.Cooling bath is offered on the land of fluted drill of the present utility model, and the spiral angle of cooling bath is consistent with the angle of chip area, it is cold that the opening up of cooling bath allows that fluted drill carries out abundant liquid, fluted drill can be cooled down quickly, so that this kind of fluted drill is increased using scope, in addition, the land width of this kind of fluted drill is larger, also than larger, even opened up cooling bath does not also influence intensity to blade size completely.
Description
Technical field
The utility model is related on a kind of fluted drill, more particularly to a kind of land the fluted drill with cooling structure, belongs to
A kind of drilling tool used in machining.
Background technology
Fluted drill be machining in commonly use a kind of drilling tool, a kind of existing fluted drill, its cross section is in addition to fluted drill
Two sections of extra curvatures that edge is formed, are two curves for being formed by one section of arc and straight line respectively, as shown in figure 1, this fried dough twist
The core thickness of brill is smaller, and intensity is relative just relatively low, it is impossible to open up cooling duct in centre, it is impossible to realize the mesh of quick cooling
's.
Utility model content
The purpose of this utility model is to provide on a kind of land the fluted drill with cooling structure, to solve in the prior art
Fried dough twist drilling tool cannot realize the problem of quick cooling.
In order to realize the above object the utility model is adopted the following technical scheme that：There is cooling structure on a kind of land
Fluted drill, its cross section is formed by two inner edge curves for being formed by one section of arc and straight line respectively and by fluted drill outer rim
Two sections of outer counters surround, the cooling structure on two lands of the fluted drill is cooling bath, and cooling bath is in the shape of a spiral, cold
But the spiral angle of groove is consistent with the spiral angle of the chip area of fluted drill.
The cross section of described cooling bath is arc.
The depth of the cooling bath is gradually increased from the tip of fluted drill to shank end.
Offer cooling bath on the land of fluted drill of the present utility model, and cooling bath spiral angle and chip area
Angle is consistent, the opening up of cooling bath fluted drill is carried out abundant liquid is cold, fluted drill can be cooled down quickly so that this kind of fried dough twist
The use scope of brill increases, in addition, the land width of this kind of fluted drill is larger, blade size also than larger, is even opened up
Cooling bath does not also influence intensity completely.
Brief description of the drawings
The cross-sectional view of Fig. 1 fluted drills of the prior art；
Fig. 2 is the structural representation of the utility model embodiment；
Fig. 3 is Fig. 2 cross-sectional views.
Specific embodiment
The embodiment of the fluted drill with cooling structure on a kind of land, in figs. 2 and 3, its cross section is due to six sections
Curve is constituted, wherein two sections is the curve formed by the outer rim of fluted drill, is named as outer counter 1, it is, cross section and fiber crops
The curve that the outer edge surface that flower is bored is crossed to form；Also two centrosymmetric curves, this entitled inner edge curve 2 of two curves is interior
Respectively due to one section of arc and straight line are formed by connecting, two inner edge curves 2 are relative to cross section and the center of fluted drill for edge curve 2
The intersection point Central Symmetry of line, and two inner edge curves 2 Central Symmetry point for the center of circle and cross two inner edge curves camber line with it is straight
The core that the diameter of the circle 3 of the tie point of line is the fluted drill is thick, is limited to the formation of its cross section, and the core of this fluted drill is thick
It is smaller for the external diameter of fluted drill, intensity is not high, it is impossible to open up cooling duct at center.Relative to its core
Thickness, the land size of this fluted drill offers a cooling bath 5 respectively just than larger on two lands 4, and cooling bath 5 is in fiber crops
Flower bores upper spiral winding, and the angle of the helical angle of cooling bath is consistent with the spiral angle of the chip area of fluted drill.Cooling bath 5 is in
Near the side of cutting edge 6, that is to say, that cooling bath offsets relative to the centre position of land toward the position of cutting edge 6.
The cross section of cooling bath 5 be arc, also, cooling bath depth from fluted drill tip gradually increase to shank end
Greatly, also just say, cooling bath it is more deeper toward drillstock direction.
The drill body part of the drillstock part of the back segment of the fluted drill in the present embodiment and the setting cutting edge of leading portion is to separate
, such drillstock part can use relatively cheap steel alloy, and cross section is convexly equipped with the rear end face of drill body part for cross
The projection of shape, offered on the leading portion end face of drillstock part two two ends each extend to drillstock outer peripheral face right-angled intersection it is recessed
Groove, in groove, the periphery elastic conjunction that drill shank sets up the part for putting groove separately has drillstock part and brill the identical inserting of projection
Body portion is fixed sleeve together.
Can also be in other embodiments other knots this gives the specific shape of cross section of a cooling bath
Configuration shape, such as U-shaped.
Claims (3)
1. there is the fluted drill of cooling structure, its cross section is formed by one section of arc and straight line respectively by two on a kind of land
Inner edge curve and surrounded by two sections of outer counters that fluted drill outer rim is formed, it is characterised in that：Two of the fluted drill
Cooling structure on land is cooling bath, cooling bath in the shape of a spiral, the spiral shell of the spiral angle of cooling bath and the chip area of fluted drill
Swing angle degree is consistent.
2. there is the fluted drill of cooling structure on land according to claim 1, it is characterised in that：Described cooling bath
Cross section is arc.
3. there is the fluted drill of cooling structure on land according to claim 2, it is characterised in that：The depth of the cooling bath
Spend from the tip of fluted drill and gradually increase to shank end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462597.2U CN206305514U (en) | 2016-12-29 | 2016-12-29 | Fluted drill with cooling structure on land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462597.2U CN206305514U (en) | 2016-12-29 | 2016-12-29 | Fluted drill with cooling structure on land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206305514U true CN206305514U (en) | 2017-07-07 |
Family
ID=59248777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621462597.2U Active CN206305514U (en) | 2016-12-29 | 2016-12-29 | Fluted drill with cooling structure on land |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206305514U (en) |
-
2016
- 2016-12-29 CN CN201621462597.2U patent/CN206305514U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.8, Dongqiang Road, Xindong industrial cluster, Xinxiang City, Henan Province Patentee after: Henan Heyi Precision Tools Co.,Ltd. Country or region after: China Address before: No.8, Dongqiang Road, Xindong industrial cluster, Xinxiang City, Henan Province Patentee before: HENAN YIGONG DRILLING INDUSTRY CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |