CN113118517A - Hollow positioning drill bit - Google Patents
Hollow positioning drill bit Download PDFInfo
- Publication number
- CN113118517A CN113118517A CN202110414578.1A CN202110414578A CN113118517A CN 113118517 A CN113118517 A CN 113118517A CN 202110414578 A CN202110414578 A CN 202110414578A CN 113118517 A CN113118517 A CN 113118517A
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- CN
- China
- Prior art keywords
- drill bit
- hollow positioning
- drill
- positioning hole
- hollow
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
Abstract
A hollow positioning drill bit relates to a drill bit, in particular to a hollow positioning drill bit. The invention aims to solve the problems that the solid drill bit is positioned by means of extrusion of a chisel edge of a central drill point in the machining process, the positioning accuracy of the positioning mode is poor, and the deviation phenomenon often occurs. The invention comprises a drill bit and a drill handle, wherein the rear end of the drill bit is fixedly connected with the front end of the drill handle; the center of the front end of the drill bit is provided with a hollow positioning hole, and the center line of the hollow positioning hole is superposed with the axis of the drill bit. The invention belongs to the field of machining.
Description
Technical Field
The invention relates to a drill bit, in particular to a hollow positioning drill bit, and belongs to the field of machining.
Background
The drill bit that current machining used generally all is solid drill bit, and the drill bit relies on the chisel edge extrusion of center drill point to fix a position in the course of working, and this kind of locate mode location degree of accuracy is relatively poor, often takes place the skew phenomenon.
Disclosure of Invention
The invention provides a hollow positioning drill bit, aiming at solving the problems that the positioning is carried out by means of the extrusion of a cross blade of a central drill point in the machining process of a solid drill bit, the positioning accuracy is poor and the deviation phenomenon often occurs in the positioning mode.
The technical scheme adopted by the invention for solving the problems is as follows: the invention comprises a drill bit and a drill handle, wherein the rear end of the drill bit is fixedly connected with the front end of the drill handle; the center of the front end of the drill bit is provided with a hollow positioning hole, and the center line of the hollow positioning hole is superposed with the axis of the drill bit.
Further, the drill comprises a central blade and an outer blade, the outer blade is arranged at the front end of the drill handle, and the central blade is arranged in the middle of the outer blade; the center line blade is provided with a hollow positioning hole section, the outer blade is provided with a hollow positioning hole section, the drill handle is provided with a hollow positioning hole section, and the hollow positioning hole section, the hollow positioning hole section and the hollow positioning hole section are sequentially communicated end to form the hollow positioning hole.
Furthermore, the drill also comprises a guiding reamer, wherein the guiding reamer is arranged between the drill bit and the drill handle and is fixedly connected with the drill bit and the drill handle.
Further, the invention includes at least one fastener by which the drill bit is coupled to the drill shank.
Further, the hollow positioning hole is a through hole penetrating through the drill bit and the drill shank.
Furthermore, the hollow positioning hole is a blind hole.
The invention has the beneficial effects that: the drill bit is a hollow drill bit, the center of the front end of the drill bit is provided with a hollow positioning hole, when a workpiece is drilled, the drill bit is positioned by a guide pillar formed in the center of the workpiece, so that the drill bit is accurately positioned, a drill core extrusion area is avoided, and the production efficiency is improved; the invention effectively avoids the deviation of the drill bit in the drilling process and replaces the mode of extruding and positioning the chisel edge of the drill point.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and the hollow positioning drill bit of the embodiment comprises a drill bit 1 and a drill handle 2, wherein the rear end of the drill bit 1 is fixedly connected with the front end of the drill handle 2; the center of the front end of the drill bit 1 is provided with a hollow positioning hole 3, and the center line of the hollow positioning hole 3 is coincided with the axis of the drill bit 1.
The second embodiment is as follows: the embodiment is described with reference to fig. 1, the drill bit 1 of the hollow positioning drill bit comprises a central blade 1-1 and an outer blade 1-2, the outer blade 1-2 is arranged at the front end of a drill handle 2, and the central blade 1-1 is arranged in the middle of the outer blade 1-2; the center blade 1-2 is provided with a hollow positioning hole section 3-1, the outer blade 1-2 is provided with a hollow positioning hole section 3-2, the drill handle 2 is provided with a hollow positioning hole section 3-3, and the hollow positioning hole section 3-1, the hollow positioning hole section 3-2 and the hollow positioning hole section 3-3 are sequentially communicated end to form the hollow positioning hole 3.
The central blade 1-2 is provided with a chip removal hole 6, and when the hollow positioning hole 3 is a blind hole, the chip removal hole 6 can timely discharge metal chips in the hollow positioning hole 3 to prevent blockage.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1, and the hollow positioning drill bit of the embodiment further includes a guiding reamer 4, and the guiding reamer 4 is disposed between the drill bit 1 and the drill shank 2 and fixedly connected to the drill bit and the drill shank. Other components and connection relationships are the same as those in the first or second embodiment.
The fourth concrete implementation mode: referring to fig. 1, the embodiment is described, and the hollow positioning drill bit of the embodiment further comprises at least one fastener 5, and the drill bit 1 is connected with the drill shank 2 through the fastener 5. Other components and connections are the same as those in the first embodiment.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and the hollow positioning hole 3 of the hollow positioning drill according to the present embodiment is a through hole penetrating the drill 1 and the drill shank 2. In the embodiment, the hollow positioning hole 3 is internally provided with the cutting core drill, the cutting core drill is used for controlling the length of the guide pillar on the workpiece, and the height of the processed workpiece central guide pillar is controlled by adjusting the position of the cutting core drill in the hollow positioning hole 3. Other components and connections are the same as those in the first embodiment.
The sixth specific implementation mode: referring to fig. 1, the present embodiment will be described, in which the hollow positioning hole 3 of the hollow positioning drill according to the present embodiment is a blind hole. Other components and connections are the same as those in the first embodiment.
Principle of operation
When the drilling machining is carried out, when the front end of the drill bit 1 drills the center of a workpiece, the center of the workpiece forms a guide pillar along with the propelling of the drill bit 1, and the guide pillar is inserted into the hollow positioning hole 3, so that the drill bit 1 is accurately positioned. The length of the guide post in the hollow positioning hole 3 is determined by the length of the hollow positioning hole 3, and the length of the guide post is the same as that of the hollow positioning hole 3.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A hollow positioning drill bit comprises a drill bit (1) and a drill handle (2), wherein the rear end of the drill bit (1) is fixedly connected with the front end of the drill handle (2); the method is characterized in that: the center of the front end of the drill bit (1) is provided with a hollow positioning hole (3), and the center line of the hollow positioning hole (3) is coincided with the axis of the drill bit (1).
2. The hollow positioning drill bit of claim 1, wherein: the drill bit (1) comprises a central blade (1-1) and an outer blade (1-2), the outer blade (1-2) is arranged at the front end of the drill handle (2), and the central blade (1-1) is arranged in the middle of the outer blade (1-2); the center line blade (1-2) is provided with a hollow positioning hole section (3-1), the outer blade (1-2) is provided with a hollow positioning hole section (3-2), the drill handle (2) is provided with a hollow positioning hole section (3-3), and the hollow positioning hole section (3-1), the hollow positioning hole section (3-2) and the hollow positioning hole section (3-3) are sequentially communicated end to form the hollow positioning hole (3).
3. A hollow positioning drill bit as claimed in claim 1 or 2, characterized in that: the hollow positioning drill bit further comprises a guiding reamer (4), wherein the guiding reamer (4) is arranged between the drill bit (1) and the drill handle (2) and fixedly connected with the drill bit, the drill handle and the drill handle.
4. The hollow positioning drill bit of claim 1, wherein: the hollow positioning drill bit also comprises at least one fastener (5), and the drill bit (1) is connected with the drill shank (2) through the fastener (5).
5. The hollow positioning drill bit of claim 1, wherein: the hollow positioning hole (3) is a through hole which penetrates through the drill bit (1) and the drill handle (2).
6. The hollow positioning drill bit of claim 1, wherein: the hollow positioning hole (3) is a blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110414578.1A CN113118517A (en) | 2021-04-16 | 2021-04-16 | Hollow positioning drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110414578.1A CN113118517A (en) | 2021-04-16 | 2021-04-16 | Hollow positioning drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113118517A true CN113118517A (en) | 2021-07-16 |
Family
ID=76777308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110414578.1A Pending CN113118517A (en) | 2021-04-16 | 2021-04-16 | Hollow positioning drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113118517A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11320227A (en) * | 1998-05-14 | 1999-11-24 | Honda Motor Co Ltd | Boring tool |
| CN2377029Y (en) * | 1999-05-28 | 2000-05-10 | 朱虎林 | Multiple-cutting-edge steel plate drill |
| US7008149B1 (en) * | 2003-02-20 | 2006-03-07 | Rhoades Bernard G | Tool kit and method of using |
| US20090269152A1 (en) * | 2008-04-28 | 2009-10-29 | Airbus Uk Limited | Cutting tool and method |
| CN201913285U (en) * | 2010-11-30 | 2011-08-03 | 董希仁 | Universal tipped drill bit |
| CN202963565U (en) * | 2012-12-20 | 2013-06-05 | 中国二冶集团有限公司 | Nesting cutting tool through deep hole machining |
| CN203030997U (en) * | 2013-01-15 | 2013-07-03 | 董希仁 | General drilling and reaming combined tipped drill |
| CN105195795A (en) * | 2015-10-19 | 2015-12-30 | 无锡市永亿精密铸造有限公司 | Double-side drill bit |
| CN106424855A (en) * | 2016-12-26 | 2017-02-22 | 王文胜 | Diamond bit |
| CN207681560U (en) * | 2018-01-09 | 2018-08-03 | 宁波市江北环山铁路工务器材厂 | A kind of core drill of drilling of the rail chamfering one |
| CN208261927U (en) * | 2018-04-02 | 2018-12-21 | 沈阳林氏工具制造有限公司 | A kind of hollow plumbago drill bit with defencive function |
-
2021
- 2021-04-16 CN CN202110414578.1A patent/CN113118517A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11320227A (en) * | 1998-05-14 | 1999-11-24 | Honda Motor Co Ltd | Boring tool |
| CN2377029Y (en) * | 1999-05-28 | 2000-05-10 | 朱虎林 | Multiple-cutting-edge steel plate drill |
| US7008149B1 (en) * | 2003-02-20 | 2006-03-07 | Rhoades Bernard G | Tool kit and method of using |
| US20090269152A1 (en) * | 2008-04-28 | 2009-10-29 | Airbus Uk Limited | Cutting tool and method |
| CN201913285U (en) * | 2010-11-30 | 2011-08-03 | 董希仁 | Universal tipped drill bit |
| CN202963565U (en) * | 2012-12-20 | 2013-06-05 | 中国二冶集团有限公司 | Nesting cutting tool through deep hole machining |
| CN203030997U (en) * | 2013-01-15 | 2013-07-03 | 董希仁 | General drilling and reaming combined tipped drill |
| CN105195795A (en) * | 2015-10-19 | 2015-12-30 | 无锡市永亿精密铸造有限公司 | Double-side drill bit |
| CN106424855A (en) * | 2016-12-26 | 2017-02-22 | 王文胜 | Diamond bit |
| CN207681560U (en) * | 2018-01-09 | 2018-08-03 | 宁波市江北环山铁路工务器材厂 | A kind of core drill of drilling of the rail chamfering one |
| CN208261927U (en) * | 2018-04-02 | 2018-12-21 | 沈阳林氏工具制造有限公司 | A kind of hollow plumbago drill bit with defencive function |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210716 |