CN107127378A - A kind of drill bit - Google Patents
A kind of drill bit Download PDFInfo
- Publication number
- CN107127378A CN107127378A CN201710457919.7A CN201710457919A CN107127378A CN 107127378 A CN107127378 A CN 107127378A CN 201710457919 A CN201710457919 A CN 201710457919A CN 107127378 A CN107127378 A CN 107127378A
- Authority
- CN
- China
- Prior art keywords
- face
- drill bit
- drill
- cutting blade
- helical groove
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
Abstract
This application discloses a kind of drill bit, it includes drilling rod；The drill lip of jointed rod；And it is arranged at the apex point of drill lip end；Wherein, drill lip includes multiple helical groove portions and the spiral blade being correspondingly formed by multiple helical groove portions；Helical groove portion is connected by upper groove surface and lower groove face radian；Spiral blade includes the guiding face in cutting blade face and connection cutting blade face.The present invention is cooperated by upper groove surface and lower groove face, beneficial to chip removal；Cutting blade surface chamfer, makes its sharp, convenient drilling.
Description
Technical field
The application belongs to drilling tool technical field, specifically, is related to a kind of drill bit.
Background technology
Drill bit is to be used to the drilling on solid material to go out through hole or blind hole, and can be to the cutter of existing hole reaming.Drill bit
Can be divided into roughing with and fining-off, the drill bit of roughing typically has very big cutting output, so in cutting
During can very big abrasion be caused to cutting edge.
The content of the invention
In view of this, technical problems to be solved in this application there is provided a kind of drill bit, by setting unique drill lip
And groove portion avoids drill bit mismachining tolerance.
In order to solve the above-mentioned technical problem, this application discloses a kind of drill bit, it includes drilling rod；The drill lip of jointed rod；
And it is arranged at the apex point of drill lip end；Wherein, drill lip includes multiple helical groove portions and is correspondingly formed by multiple helical groove portions
Spiral blade.
According to an embodiment of the present invention, wherein above-mentioned helical groove portion is set to two, the helical edges of correspondence helical groove portion
Portion is set to one.
According to an embodiment of the present invention, wherein above-mentioned helical groove portion is connected by upper groove surface and lower groove face radian, upper groove surface
Depression, lower groove face is raised, and upper groove surface curvature is more than lower groove face.
According to an embodiment of the present invention, wherein above-mentioned spiral blade is included close to the cutting blade face of lower groove face and connection cutting blade
The guiding face in face, cutting blade surface chamfer, guiding face caves inward.
According to an embodiment of the present invention, wherein above-mentioned cutting blade face width is the 1/4 of guiding face width.
According to an embodiment of the present invention, wherein above-mentioned apex point protrusion helical edges end surface 1mm ~ 1.3mm.
According to an embodiment of the present invention, wherein above-mentioned drill rod end rounding, and drilling rod surface has steel seal.
Compared with prior art, the application can be obtained including following technique effect：
1）Upper groove surface and lower groove face cooperate, beneficial to chip removal.
2）Cutting blade surface chamfer, makes its sharp, convenient drilling, and guiding face guiding improves machining accuracy.
Certainly, implementing any product of the application must be not necessarily required to while reaching all the above technique effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the drill bit stereogram of the embodiment of the present application；
Fig. 2 is the helical groove portion schematic diagram of the embodiment of the present application；
Fig. 3 is the helical groove portion side view of the embodiment of the present application；
Fig. 4 is the spiral blade schematic diagram of the embodiment of the present application.
Reference
Drilling rod 10, drill lip 20, helical groove portion 21, spiral blade 22, apex point 30, upper groove surface 21a, lower groove face 21b, cutting blade face 22a,
Guiding face 22b, steel seal 40, rounding R.
Embodiment
Describe presently filed embodiment in detail below in conjunction with drawings and Examples, thereby how the application is applied
Technological means can fully understand and implement according to this to solve technical problem and reach the implementation process of technology effect.
Fig. 1 is refer to, Fig. 1 is the drill bit stereogram of the embodiment of the present application.As illustrated, a kind of drill bit includes drilling rod 10；
The drill lip 20 of jointed rod 10；And it is arranged at the apex point 30 of the end of drill lip 20；Wherein, drill lip 20 includes multiple helical groove portions 21
And the spiral blade 22 being correspondingly formed by multiple helical groove portions 21.The present invention utilizes helical groove portion 21 and the phase interworking of spiral blade 22
Close, realize the feeding and chip removal of drilling, it is simple in construction, it is easy to use.
It is to be understood that in an embodiment of the present invention, to coordinate accompanying drawing, helical groove portion 21 is set to two,
The spiral blade 22 of correspondence helical groove portion 21 is set to one, in other embodiments, can be set to helical groove portion 21
Three, the spiral blade 22 of correspondence helical groove portion 21 is set to two, and the present invention is not limited.
Next, being the schematic diagram of helical groove portion 21 of the embodiment of the present application please continue to refer to Fig. 2 and Fig. 3, Fig. 2；Fig. 3 is this
Apply for the side view of helical groove portion 21 of embodiment.As illustrated, helical groove portion 21 is connected by upper groove surface 21a and lower groove face 21b radians
Connect, upper groove surface 21a depressions, lower groove face 21b is raised, and upper groove surface 21a curvature is more than lower groove face 21b.In an embodiment party of the invention
In formula, drill lip 20 is during feeding, and the upper groove surface 21a of helical groove portion 21 and lower groove face 21b will cooperate chip removal.Together
When because upper groove surface 21a is recessed, lower groove face 21b is raised, in this way, the detritus being trapped in helical groove portion 21 be also easier to guiding,
Discharge, if upper groove surface 21a and lower groove face 21b are recessed, detritus is easy to block, and influences machining accuracy, seriously
Cause bit damage.In addition, upper groove surface 21a sets curvature to be more than lower groove face 21b, test of many times can more discharge unnecessary detritus, side
Convenient to operate.
Please continue to refer to Fig. 4, Fig. 4 is the schematic diagram of spiral blade 22 of the embodiment of the present application.Spiral blade 22 includes close
Lower groove face 21b cutting blade face 22a and connection cutting blade face 22a guiding face 22b, cutting blade face 22a chamferings, guiding face 22b concave
Fall into.In an embodiment of the present invention, cutting blade face 22a chamferings are that drilling is more smooth in order that it is sharper, are guided simultaneously
Face 22b is recessed, and convenient feeding, use is more flexible.
It is noted that cutting blade face 22a width is the 1/4 of guiding face 22b width.It is handsome in appearance, it is easy to use.
Please continue to refer to Fig. 1, the end face 1mm of the protrusion spiral of apex point 30 blade 22 ~ 1.3mm.It is that, to form fulcrum, convenience is fixed
Position, while beneficial to processing.In addition, the end rounding R of drilling rod 10, and the surface of drilling rod 10 has steel seal 40.Implement in the present invention one
In mode, fillet R facilitates the assembling of drill bit, and steel seal 40 can understand sign design parameter, conveniently distinguish classification.
Some preferred embodiments of the application have shown and described in described above, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in application contemplated scope described herein
It is modified., then all should be in this Shen and the change and change that those skilled in the art are carried out do not depart from spirit and scope
Please be in the protection domain of appended claims.
Claims (7)
1. a kind of drill bit, it is characterised in that including：
Drilling rod；
Connect the drill lip of the drilling rod；And
It is arranged at the apex point of the drill lip end；
Wherein, the drill lip includes multiple helical groove portions and the spiral blade being correspondingly formed by multiple helical groove portions.
2. drill bit according to claim 1, it is characterised in that wherein described helical groove portion is set to two, and correspondence is described
The spiral blade of helical groove portion is set to one.
3. drill bit according to claim 1, it is characterised in that wherein described helical groove portion is by upper groove surface and lower groove face radian
Connection, the upper groove surface depression, the lower groove face is raised, and the upper groove surface curvature is more than the lower groove face.
4. drill bit according to claim 3, it is characterised in that wherein described helical edges portion is included close to the lower groove face
Cutting blade face and the guiding face in the connection cutting blade face, the cutting blade surface chamfer, the guiding face cave inward.
5. drill bit according to claim 4, it is characterised in that wherein described cutting blade face width is the guiding face width
1/4。
6. drill bit according to claim 1, it is characterised in that the wherein apex point protrusion helical edges end surface 1mm ~
1.3mm。
7. drill bit according to claim 1, it is characterised in that wherein described drill rod end rounding, and the drilling rod table
Face has steel seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457919.7A CN107127378A (en) | 2017-06-16 | 2017-06-16 | A kind of drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457919.7A CN107127378A (en) | 2017-06-16 | 2017-06-16 | A kind of drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107127378A true CN107127378A (en) | 2017-09-05 |
Family
ID=59734663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710457919.7A Withdrawn CN107127378A (en) | 2017-06-16 | 2017-06-16 | A kind of drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107127378A (en) |
-
2017
- 2017-06-16 CN CN201710457919.7A patent/CN107127378A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10029315B2 (en) | Drill bit | |
| IL285408A (en) | Double-sided cutting insert having diagonally opposed raised corners and diagonally opposed lowered corners, and rotary cutting tool | |
| CN206839245U (en) | One kind positioning drill bit | |
| CN107127378A (en) | A kind of drill bit | |
| CN206839246U (en) | A kind of drill bit | |
| CN207071704U (en) | A kind of drill bit | |
| CN107138773A (en) | A kind of drill bit | |
| JP2016112662A (en) | drill | |
| CN206296500U (en) | A kind of gang tool | |
| CN107414147A (en) | A kind of single cutting bit | |
| CN203171031U (en) | Cutter used for machining tapered counter bore in low-hardness material | |
| CN206839242U (en) | A kind of single cutting bit | |
| CN103567522B (en) | A kind of thick fine finishining integrated milling cutter | |
| CN203738105U (en) | Milling machine cutting tool with overload protection function | |
| CN107138772A (en) | One kind positioning drill bit | |
| CN209408762U (en) | Cutter with chip removal structure | |
| CN207326028U (en) | Annular groove machining cutter | |
| CN105458331A (en) | High-accuracy locating and drilling machine | |
| CN207414505U (en) | The cutter of flash removed is removed in a kind of thimble position | |
| CN105773751A (en) | Wood perforating machine drill bit capable of automatically sucking scraps | |
| CN204975477U (en) | Milling cutter for aluminium | |
| CN205763936U (en) | A kind of chamfering is combined countersink | |
| CN206416281U (en) | Carpenter's smoothing, reamer | |
| CN206016682U (en) | Combination perforating device | |
| CN206425568U (en) | Boss rose reamer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170905 |