CN102728873A - Washing and cooling narrow-plane drill bit - Google Patents
Washing and cooling narrow-plane drill bit Download PDFInfo
- Publication number
- CN102728873A CN102728873A CN2012101818564A CN201210181856A CN102728873A CN 102728873 A CN102728873 A CN 102728873A CN 2012101818564 A CN2012101818564 A CN 2012101818564A CN 201210181856 A CN201210181856 A CN 201210181856A CN 102728873 A CN102728873 A CN 102728873A
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- drill
- drill bit
- sealing sleeve
- sealing shroud
- cooling
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Abstract
The invention relates to a washing and cooling narrow-plane drill bit which comprises a twist drill, wherein a drill core is arranged at the bottom end of the twist drill, main cutting edges are arranged on the twist drill and at two sides of the drill core, one narrow plane is ground on each main cutting edge, a hollow channel is arranged in the twist drill from top to bottom, a sealing sleeve is sheathed at the upper end of the twist drill, the upper end and lower end of the sealing sleeve are sealed together with the twist drill respectively by virtue of a sealing ring, and a water outlet is arranged at the part, corresponding to the sealing sleeve, of the hollow channel. The sealing sleeve has an outward raised middle shape, and a water inlet is arranged on the sealing sleeve. The drill bit is ground into narrow planes, the rake angle is reduced to zero degree, the drill bit is not easily wedged into a workpiece, water supplied by the outside flows in the sealing sleeve through the water inlet to form pressure in the sealing sleeve the upper and lower ends of which are sealed, and the pressure enables water to be pressed in the water outlet and flow out downward along the hollow channel, thus not only washing away a part of impurities through pressure of water, but also playing a role in cooling.
Description
Technical field
The present invention relates to a kind of drill bit, a kind of specifically cooling narrow plane drill bit that washes away.
Background technology
Drill bit of the prior art all is fluted drill basically, but when materials such as processing brass, bronze and laminated phenolics plate, usually is not very good, and these drill bits screw in the working hole easily; And just can damage workpiece when from anchor clamps, pulling out drill bit; And drill bit needs cooling when work, and general drill bit is constantly to cool off through manual work; Both wasted time and energy like this, working strength of workers is big.
Summary of the invention
In order to address the above problem, the invention provides a kind of main cutting edge that is difficult for carving people's workpiece is the drill bit of narrow plane.
In order to achieve the above object, the present invention realizes through following technical scheme:
The present invention is a kind of cooling narrow plane drill bit that washes away, and comprises fluted drill, and the bottom of fluted drill is for unbearable; On the said fluted drill, unbearable both sides are main cutting edge; All grind a narrow plane on each main cutting edge, a hollow passageway from top to bottom is set in fluted drill, be with a sealing shroud in the upper end of fluted drill; The two ends up and down of sealing shroud and fluted drill through the sealing ring sealing, are being provided with the mouth of a river on the hollow passageway with on the corresponding position of said sealing shroud respectively.
Further improvement of the present invention is: sealing shroud is provided with water inlet for middle outwards convex shape at sealing shroud.
Further improvement of the present invention is: the anterior angle of narrow plane drill bit is a zero degree, and the narrow plane width is 0.4-0.8 millimeter.
The invention has the beneficial effects as follows: the present invention wears into narrow plane with drill bit, makes anterior angle reduce to zero degree, makes drill bit be difficult for carving people's workpiece; Water through the outside gives is squeezed into sealing shroud through water inlet, because the sealing shroud upper-lower seal, so in sealing shroud, form pressure; This pressure is gone into the mouth of a river down with hydraulic pressure; Flow out downwards along hollow passageway, so not only can wash away a part of impurity, can also play the effect of cooling through the pressure of water.
The present invention is simple in structure, and is easy to make, with low cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Wherein: the 1-fluted drill, 2-is unbearable, 3-main cutting edge, 4-narrow plane, 5-sealing shroud, 6-sealing ring, 7-hollow passageway, the mouth of a river under the 8-, 9-water inlet.
The specific embodiment
In order to deepen that understanding of the present invention is described in further detail the present invention below in conjunction with accompanying drawing and embodiment, this embodiment only is used to explain the present invention, protection scope of the present invention is not constituted to limit.
Shown in Fig. 1; The present invention is a kind of cooling narrow plane drill bit that washes away, and comprises fluted drill 1, and the bottom of said fluted drill 1 is unbearable 2; On the said fluted drill 1, said unbearable 2 both sides are main cutting edge 3; All grind a narrow plane 4 on said each main cutting edge 3, the anterior angle of narrow plane drill bit is a zero degree, and said narrow plane 4 width are 0.4-0.8 millimeter.One hollow passageway 7 from top to bottom is set in said fluted drill 1; Be with a sealing shroud 5 in the upper end of said fluted drill 1; Said sealing shroud 5 is middle outwards convex shape; Be provided with water inlet 9 at said sealing shroud 5, the two ends up and down of said sealing shroud 5 and said fluted drill 1 through sealing ring 6 sealings, are being provided with the mouth of a river 8 on the said hollow passageway 7 with on the said sealing shroud 5 corresponding positions respectively.Water through the outside gives is squeezed into sealing shroud 5 through water inlet 9; Because sealing shroud 5 upper-lower seal; So in sealing shroud 5, form pressure, this pressure is gone into the mouth of a river 8 down with hydraulic pressure, flows out downwards along hollow passageway 7; So not only a part of impurity can be washed away, the effect of cooling can also be played through the pressure of water.
The present invention wears into narrow plane with drill bit, makes anterior angle reduce to zero degree, makes drill bit be difficult for carving people's workpiece.
The present invention is simple in structure, and is easy to make, with low cost.
Claims (3)
1. one kind is washed away cooling narrow plane drill bit; Comprise fluted drill (1); The bottom of said fluted drill (1) is unbearable (2); Both sides at said fluted drill (1) last, said unbearable (2) are main cutting edge (3); All grind a narrow plane (4) on said each main cutting edge (3), it is characterized in that: a hollow passageway (7) from top to bottom is set in said fluted drill (1), is with a sealing shroud (5) in the upper end of said fluted drill (1); The two ends up and down of said sealing shroud (5) and said fluted drill (1) through sealing ring (6) sealing, upward with on the corresponding position of said sealing shroud (5) are provided with the mouth of a river (8) in said hollow passageway (7) respectively.
2. according to the said a kind of cooling narrow plane drill bit that washes away of claim 1, it is characterized in that: said sealing shroud (5) is provided with water inlet (9) for middle outwards convex shape at said sealing shroud (5).
3. according to claim 1 or 2 said a kind of cooling narrow plane drill bits that wash away, it is characterized in that: the anterior angle of said narrow plane drill bit is a zero degree, and said narrow plane (4) width is 0.4-0.8 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101818564A CN102728873A (en) | 2012-06-05 | 2012-06-05 | Washing and cooling narrow-plane drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101818564A CN102728873A (en) | 2012-06-05 | 2012-06-05 | Washing and cooling narrow-plane drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102728873A true CN102728873A (en) | 2012-10-17 |
Family
ID=46985559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101818564A Pending CN102728873A (en) | 2012-06-05 | 2012-06-05 | Washing and cooling narrow-plane drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102728873A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141369A (en) * | 1988-07-18 | 1992-08-25 | Palace Hilard F | Cutting tool for plastic materials |
| CN2481440Y (en) * | 2001-06-01 | 2002-03-13 | 武进市西夏墅工具研究所 | Strong hard alloy drill |
| CN2487478Y (en) * | 2000-09-12 | 2002-04-24 | 杨洪生 | Swallow drill |
| CN2712515Y (en) * | 2004-07-01 | 2005-07-27 | 哈尔滨量具刃具集团有限责任公司 | Water supply ring for internal cooling taper shank twist drill |
| CN2933668Y (en) * | 2006-08-16 | 2007-08-15 | 大连轻工业学院 | Carbide alloy highly effective drill point |
| CN202726140U (en) * | 2012-06-05 | 2013-02-13 | 江苏天工工具有限公司 | Washing and cooling narrow planar drilling bit |
-
2012
- 2012-06-05 CN CN2012101818564A patent/CN102728873A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141369A (en) * | 1988-07-18 | 1992-08-25 | Palace Hilard F | Cutting tool for plastic materials |
| CN2487478Y (en) * | 2000-09-12 | 2002-04-24 | 杨洪生 | Swallow drill |
| CN2481440Y (en) * | 2001-06-01 | 2002-03-13 | 武进市西夏墅工具研究所 | Strong hard alloy drill |
| CN2712515Y (en) * | 2004-07-01 | 2005-07-27 | 哈尔滨量具刃具集团有限责任公司 | Water supply ring for internal cooling taper shank twist drill |
| CN2933668Y (en) * | 2006-08-16 | 2007-08-15 | 大连轻工业学院 | Carbide alloy highly effective drill point |
| CN202726140U (en) * | 2012-06-05 | 2013-02-13 | 江苏天工工具有限公司 | Washing and cooling narrow planar drilling bit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121017 |