CN202490961U - Drill bit structure with auxiliary cutter - Google Patents
Drill bit structure with auxiliary cutter Download PDFInfo
- Publication number
- CN202490961U CN202490961U CN2012200312989U CN201220031298U CN202490961U CN 202490961 U CN202490961 U CN 202490961U CN 2012200312989 U CN2012200312989 U CN 2012200312989U CN 201220031298 U CN201220031298 U CN 201220031298U CN 202490961 U CN202490961 U CN 202490961U
- Authority
- CN
- China
- Prior art keywords
- cutter
- right cylinder
- drill bit
- cylinder section
- cutter head
- 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.)
- Expired - Fee Related
Links
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
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Abstract
The utility model discloses a drill bit structure with an auxiliary cutter. The drill bit structure comprises a cutter holder, a cutter handle and a cutter head, and is characterized in that the cutter head is composed of a rear-sectional straight column section and a front-sectional straight column section; and the front-sectional straight column section is peripherally provided with a plurality of auxiliary cutters made of alloy materials. The drill bit structure disclosed by the utility model has the characteristics of simple structure, easiness for realization and capabilities of effectively improving the drilling ability of a drill bit and enlarging the application range of the drill bit.
Description
Technical field
The utility model relates to machinery and uses the drill bit field, is specially a kind of drill bit structure with auxilliary cutter.
Background technology
Mechanical part commonly used in the drill bit machinery industry, it is to go out through hole or blind hole in order to drilling on the solid material, and can be to the cutter of existing hole reaming.Drill bit is made up of tool rest, handle of a knife, cutter head, and the drill bit structure of prior art is simple, and for material of greater hardness, it is limited in one's ability to hole.
The utility model content
The utility model purpose provides a kind of drill bit structure with auxilliary cutter, to solve prior art bit bore problem limited in one's ability.
In order to achieve the above object, the technical scheme that the utility model adopted is:
A kind of drill bit structure with auxilliary cutter; Include tool rest, be connected the tool rest rear end handle of a knife, be connected the cutter head of tool rest front end, it is characterized in that: said cutter head is made up of two sections right cylinder sections, the right cylinder section of its posterior segment is connected the tool rest front end; The right cylinder section diameter of leading portion is less than the right cylinder section of back segment; And the right cylinder section front end of leading portion is shaped to point of a knife, and the right cylinder section that is positioned at the cutter head leading portion is provided with a plurality of auxilliary cuttves of processing along the alloy materials of cutter head trend on every side, and the front end of said auxilliary cutter is shaped to point of a knife; The rear end of auxilliary cutter is connected on the right cylinder section end face of cutter head back segment, and auxilliary cutter one side sidewall is connected on the right cylinder section sidewall of cutter head leading portion.
The utility model is simple in structure; Be easy to realize; Around the right cylinder section of cutter head leading portion, be provided with a plurality of auxilliary cuttves; Auxilliary cutter sidewall, rear end are connected on cutter head leading portion right cylinder section sidewall, the rear end right cylinder section end face, utilize a plurality of auxilliary cuttves can effectively improve the boring ability of drill bit for material of greater hardness, have enlarged the scope of application of drill bit.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
As shown in Figure 1.A kind of drill bit structure with auxilliary cutter; Include tool rest 1, be connected tool rest 1 rear end handle of a knife 2, be connected the cutter head 3 of tool rest 1 front end, cutter head 3 is made up of two sections right cylinder sections, the right cylinder section 4 of its posterior segment is connected tool rest 1 front end; Right cylinder section 5 diameters of leading portion are less than the right cylinder section 4 of back segment; And right cylinder section 5 front ends of leading portion are shaped to point of a knife, and the right cylinder section 5 that is positioned at cutter head 3 leading portions is provided with a plurality of auxilliary cuttves of processing along the alloy materials of cutter head 3 trends 6 on every side, and the front end of auxilliary cutter 6 is shaped to point of a knife; The rear end of auxilliary cutter 6 is connected on right cylinder section 4 end faces of cutter head 3 back segments, and auxilliary cutter 6 one side sidewalls are connected on right cylinder section 5 sidewalls of cutter head 3 leading portions.
Claims (1)
1. be with the drill bit structure of assisting cutter for one kind; Include tool rest, be connected the tool rest rear end handle of a knife, be connected the cutter head of tool rest front end, it is characterized in that: said cutter head is made up of two sections right cylinder sections, the right cylinder section of its posterior segment is connected the tool rest front end; The right cylinder section diameter of leading portion is less than the right cylinder section of back segment; And the right cylinder section front end of leading portion is shaped to point of a knife, and the right cylinder section that is positioned at the cutter head leading portion is provided with a plurality of auxilliary cuttves of processing along the alloy materials of cutter head trend on every side, and the front end of said auxilliary cutter is shaped to point of a knife; The rear end of auxilliary cutter is connected on the right cylinder section end face of cutter head back segment, and auxilliary cutter one side sidewall is connected on the right cylinder section sidewall of cutter head leading portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200312989U CN202490961U (en) | 2012-02-01 | 2012-02-01 | Drill bit structure with auxiliary cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200312989U CN202490961U (en) | 2012-02-01 | 2012-02-01 | Drill bit structure with auxiliary cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202490961U true CN202490961U (en) | 2012-10-17 |
Family
ID=46997204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200312989U Expired - Fee Related CN202490961U (en) | 2012-02-01 | 2012-02-01 | Drill bit structure with auxiliary cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202490961U (en) |
-
2012
- 2012-02-01 CN CN2012200312989U patent/CN202490961U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20130201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |