CN2252671Y - Positioning anti-skid straight handle twist drill - Google Patents
Positioning anti-skid straight handle twist drill Download PDFInfo
- Publication number
- CN2252671Y CN2252671Y CN 96235123 CN96235123U CN2252671Y CN 2252671 Y CN2252671 Y CN 2252671Y CN 96235123 CN96235123 CN 96235123 CN 96235123 U CN96235123 U CN 96235123U CN 2252671 Y CN2252671 Y CN 2252671Y
- Authority
- CN
- China
- Prior art keywords
- drill
- utility
- model
- twist drill
- straight shank
- 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
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- Drilling Tools (AREA)
Abstract
The utility model relates to a cutter used on a drill press in machine work, particularly a positioning skidproof straight shank twist drill. Three equant square parts are arranged on a circular drill stock of the utility model. Compared with an existing straight shank twist drill with a circular drill stock, the utility model has the advantage of convenient clamp and installation; besides, the utility model does not skid, and the utility model can be positioned.
Description
The utility model relates to the cutter that is used for drilling machine in a kind of machining, particularly a kind ofly locatees anti-skidding straight shank twist drill.
The drillstock of existing straight shank twist drill all is circular, and drillstock easily skids in drill chuck and dallies in use, causes drillstock to damage, plays knurl, and drill chuck burns out, and fluted drill produces axial displacement causes the hole depth of workpiece not reach processing request.Then have to stop this moment and beat drill chuck, so both reduced the service life of drill chuck, influenced the precision of drill press spindle, reduced the processing work efficiency again to clamp drillstock.
The purpose of this utility model is intended to overcome the deficiencies in the prior art part and a kind of anti-skidding straight shank twist drill of locating is provided.
The technical solution of the utility model is the side that three equal portions are arranged on circular drillstock.
The utility model has formed three boss owing on the drillstock side of three equal portions is arranged thereby make on the drillstock, compare with the straight shank twist drill of existing circular drillstock, has following characteristics:
1, convenient mounting and clamping only needs drill chuck to be clamped the side of three equal portions and withstand three boss, clamps a little to get final product, and in use can not skid;
When 2, installing drill chuck is close to three boss, can prevents that fluted drill from axially moving and reach the purpose of location in drilling process;
3, do not need often to shut down to beat drill chuck, both saved the time, improved the processing work efficiency, protected drill chuck again, prolonged the service life of drill chuck.
Straight shank twist drill with φ 12mm is that example is described further detailed structure of the present utility model in conjunction with the accompanying drawings and embodiments below.
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the right view of accompanying drawing 1.
As shown in drawings: can locate the side (1) that is milled with three equal portions on the drillstock of anti-skidding straight shank twist drill, the amount of milling is 0.6mm, has formed three boss (2) on the drillstock thereby make.
Claims (1)
1, a kind ofly locatees anti-skidding straight shank twist drill, it is characterized in that on circular drillstock, having the side of three equal portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96235123 CN2252671Y (en) | 1996-06-21 | 1996-06-21 | Positioning anti-skid straight handle twist drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96235123 CN2252671Y (en) | 1996-06-21 | 1996-06-21 | Positioning anti-skid straight handle twist drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2252671Y true CN2252671Y (en) | 1997-04-23 |
Family
ID=33911278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96235123 Expired - Fee Related CN2252671Y (en) | 1996-06-21 | 1996-06-21 | Positioning anti-skid straight handle twist drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2252671Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345099A (en) * | 2015-11-06 | 2016-02-24 | 黄俊柳 | Drill bit capable of preventing slipping |
-
1996
- 1996-06-21 CN CN 96235123 patent/CN2252671Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345099A (en) * | 2015-11-06 | 2016-02-24 | 黄俊柳 | Drill bit capable of preventing slipping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |