CN112496410A - Drill bit with long service life and used for machining oil hole of automobile engine - Google Patents
Drill bit with long service life and used for machining oil hole of automobile engine Download PDFInfo
- Publication number
- CN112496410A CN112496410A CN202011327896.6A CN202011327896A CN112496410A CN 112496410 A CN112496410 A CN 112496410A CN 202011327896 A CN202011327896 A CN 202011327896A CN 112496410 A CN112496410 A CN 112496410A
- Authority
- CN
- China
- Prior art keywords
- drill
- drill body
- service life
- handle part
- long service
- 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- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2205/00—Fixation of cutting inserts in holders
- B23B2205/04—Fixation screws, bolts or pins of particular form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/18—Configuration of the drill point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention discloses a drill bit with long service life for processing an oil hole of an automobile engine, which comprises a handle part and a drill body, wherein the handle part is provided with an insertion groove for accommodating the drill body; the drill body comprises a drill point, a chisel edge, cutting edges, chamfer edges and a spiral groove, wherein the drill point is arranged at the foremost end of the drill body, the chisel edge is arranged on the drill point, the two cutting edges with included angles of 140 degrees are arranged at the drill point, the chamfer edges are arranged at the middle position of the drill body, and the spiral groove extends to the welding position of the drill body and the handle part from the drill point. The design of chisel edge, cutting edge and helicla flute of drill point department for the bits type is stable, and the chip removal obtains effective balance with the intensity of boring the body, makes drill bit life stable, and the life-span improves 20% than imported cutter, and the cost descends 30% than imported cutter, and process time obviously shortens, has practiced thrift the cost for the customer, has guaranteed the shelf life.
Description
Technical Field
The invention relates to the technical field of cutters, in particular to a drill bit with long service life for machining an oil hole of an automobile engine.
Background
The oil hole is a channel for supplying oil when the engine runs, the oil hole ensures smooth circulation of oil in the whole engine, and further ensures normal operation of the engine.
Disclosure of Invention
The purpose of the invention is as follows: in view of the problems and deficiencies of the prior art, the invention aims to provide a drill bit with long service life for machining an oil hole of an automobile engine.
The technical scheme is as follows: in order to achieve the purpose, the drill bit with long service life for machining the oil hole of the automobile engine comprises a handle part and a drill body, wherein the handle part is provided with an insertion groove for accommodating the drill body, the drill body is fixed with the head part of the handle part through welding after extending into the insertion groove, the head part of the handle part is provided with a chamfer, and the welding part of the drill body and the head part of the handle part is provided with a reinforcing part; the drill body comprises a drill point, a chisel edge, cutting edges, chamfer edges and a spiral groove, wherein the drill point is arranged at the foremost end of the drill body, the chisel edge is arranged on the drill point, the two cutting edges with included angles of 140 degrees are arranged at the drill point, the chamfer edges are arranged at the middle position of the drill body, and the spiral groove extends to the welding position of the drill body and the handle part from the drill point.
Further, the chamfer angle is 45 °.
Furthermore, the tail part of the drill body is provided with a conical part.
Further, the handle portion is provided with a locking plane portion and a counter bore, the locking plane portion is provided with a threaded hole, and a positioning thread is arranged in the counter bore. When in use, the handle part is put into the chuck, the chuck and the handle part are locked by the nut, and the drill bit is placed to slide in the chuck; the counter bore is used for preventing the positioning thread from being damaged and guiding the bolt to enter, and the positioning thread is used for adjusting the length of the drill bit by adopting the bolt when a customer installs the drill bit.
Further, the helix angle of the helical groove is 30 °.
Furthermore, the chamfering edge is provided with a chamfering design. The chamfering design is beneficial to enhancing the strength of the turning part of the chamfering, prolonging the service life of the drill bit and ensuring that the burrs of the orifice of the processed hole are reduced.
Further, the handle is made of a die steel material, and the drill body is made of a hard alloy material.
According to the technical scheme, the invention has the beneficial effects that:
the drill bit for machining the oil hole of the automobile engine, which is long in service life, is suitable for machining steel parts, and due to the design of the chisel edge, the cutting edge and the spiral groove at the drill tip, the chip shape is stable, the chip removal and the strength of a drill body are effectively balanced, the service life of the drill bit is stable, the service life of the drill bit is prolonged by 20% compared with that of an imported tool, the cost of the drill bit is reduced by 30% compared with that of the imported tool, the machining time is obviously shortened, the cost of customers is saved, and the shelf life of.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural diagram of a part to be machined according to the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
1-2, the drill bit for machining the oil hole of the automobile engine with long service life comprises a handle part 1 and a drill body 2, wherein the handle part 1 is provided with an insertion groove 3 for accommodating the drill body 2, the drill body 2 extends into the insertion groove 3 and then is fixed with the head part of the handle part 1 through welding, the head part of the handle part 1 is provided with a chamfer 11, and the welding part of the drill body 2 and the head part of the handle part 1 is provided with a reinforcing part 4; the drill body 2 comprises a drill point 21, a chisel edge 22, a cutting edge 23, a chamfer edge 24 and a spiral groove 25, the drill point 21 is arranged at the foremost end of the drill body 2, the chisel edge 22 is arranged on the drill point 21, the drill point 21 is provided with the two cutting edges 23 with an included angle of 140 degrees, the chamfer edge 24 is arranged at the middle position of the drill body 2, and the spiral groove 25 extends from the drill point 21 to the welding position of the drill body 2 and the handle 1.
The chamfer 11 is 45 ° in this embodiment.
In this embodiment, the tail of the drill body 2 is provided with a conical part 15.
In this embodiment, the handle portion 1 is provided with a locking plane portion 12 and a counter bore 13, the locking plane portion 12 is provided with a threaded hole, and the counter bore 13 is provided with a positioning thread 14. When in use, the handle part 1 is placed into the chuck, the chuck and the handle part 1 are locked by the nut, and the drill body 2 is placed to slide in the chuck; the counter bore 13 is used for preventing the positioning thread 14 from being damaged and guiding a bolt to enter, and the positioning thread 14 is used for adjusting the length of the drill body 2 by using the bolt when a customer installs the drill body 2.
The helix angle of the helical groove 25 in this embodiment is 30 °.
The chamfer edge 24 in this embodiment has a chamfered design. The chamfering design is beneficial to enhancing the strength of the turning part of the chamfering, prolonging the service life of the drill body 2 and ensuring the reduction of burrs at the orifice of the processed hole.
In the embodiment, the handle 1 is made of a die steel material, and the drill body 2 is made of a hard alloy material.
The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.
Claims (7)
1. The utility model provides a long service life's a drill bit for processing automobile engine oilhole which characterized in that: the drill comprises a handle part (1) and a drill body (2), wherein the handle part (1) is provided with an insertion groove (3) for accommodating the drill body (2), the drill body (2) extends into the insertion groove (3) and is fixed with the head part of the handle part (1) by welding, the head part of the handle part (1) is provided with a chamfer (11), and the welding part of the drill body (2) and the head part of the handle part (1) is provided with a reinforcing part (4); the drill body (2) comprises a drill point (21), a chisel edge (22), a cutting edge (23), a chamfering edge (24) and a spiral groove (25), the drill point (21) is arranged at the foremost end of the drill body (2), the chisel edge (22) is arranged on the drill point (21), the drill point (21) is provided with the cutting edge (23) with two included angles of 140 degrees, the chamfering edge (24) is arranged at the middle position of the drill body (2), and the spiral groove (25) extends to the welding position of the drill body (2) and the handle part (1) from the drill point (21).
2. The drill bit with long service life for machining the oil hole of the automobile engine as claimed in claim 1, is characterized in that: the chamfer (11) is 45 degrees.
3. The drill bit with long service life for machining the oil hole of the automobile engine as claimed in claim 1, is characterized in that: the tail part of the drill body (2) is provided with a conical part (15).
4. The drill bit with long service life for machining the oil hole of the automobile engine as claimed in claim 1, is characterized in that:
the handle part (1) is provided with a locking plane part (12) and a counter bore (13), a threaded hole is formed in the locking plane part (12), and a positioning thread (14) is arranged in the counter bore (13).
5. The drill bit with long service life for machining the oil hole of the automobile engine as claimed in claim 1, is characterized in that: the helix angle of the spiral groove (25) is 30 degrees.
6. The drill bit with long service life for machining the oil hole of the automobile engine as claimed in claim 1, is characterized in that: the chamfering edge (24) is provided with a chamfering design.
7. The drill bit with long service life for machining the oil hole of the automobile engine as claimed in claim 1, is characterized in that: the handle part (1) is made of a die steel material, and the drill body (2) is made of a hard alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011327896.6A CN112496410A (en) | 2020-11-24 | 2020-11-24 | Drill bit with long service life and used for machining oil hole of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011327896.6A CN112496410A (en) | 2020-11-24 | 2020-11-24 | Drill bit with long service life and used for machining oil hole of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112496410A true CN112496410A (en) | 2021-03-16 |
Family
ID=74958228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011327896.6A Withdrawn CN112496410A (en) | 2020-11-24 | 2020-11-24 | Drill bit with long service life and used for machining oil hole of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112496410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056156A (en) * | 2022-07-21 | 2022-09-16 | 上海惠而顺精密工具股份有限公司 | Split type grinding tool welding method and grinding tool thereof |
-
2020
- 2020-11-24 CN CN202011327896.6A patent/CN112496410A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056156A (en) * | 2022-07-21 | 2022-09-16 | 上海惠而顺精密工具股份有限公司 | Split type grinding tool welding method and grinding tool thereof |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210316 |