CN206811184U - A kind of step drill - Google Patents
A kind of step drill Download PDFInfo
- Publication number
- CN206811184U CN206811184U CN201720427852.8U CN201720427852U CN206811184U CN 206811184 U CN206811184 U CN 206811184U CN 201720427852 U CN201720427852 U CN 201720427852U CN 206811184 U CN206811184 U CN 206811184U
- Authority
- CN
- China
- Prior art keywords
- perforate
- step drill
- chuck
- cutting edge
- clamping part
- 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 discloses a kind of step drill, including clamping part and the cutting portion for being connected to clamping part one end, described cutting portion is provided with perforate locating dowel, perforate chuck is provided with described perforate locating dowel, the both sides of described perforate chuck are symmetrically arranged with the first cutting edge, and location division is provided with the center of the perforate chuck；The both sides of described cutting portion are symmetrically arranged with the second cutting edge, and the second described cutting edge is located at the outside of perforate locating dowel.By the above-mentioned means, step drill described in the utility model, has the advantages of service life is long, intensity is big, and machining accuracy is high.
Description
Technical field
A kind of Product processing drill bit is the utility model is related to, more particularly, to a kind of step drill.
Background technology
At present in timber or field of machining is carried out, often to use drill bit and perforate processing is carried out to product.Right
When product carries out perforate processing, it is sometimes desirable to which the hole of processing is step-like hole, such as counterbore.And traditional processing mode is mostly
A through hole is opened in workpiece surface, then a blind hole is opened on its surface, or a blind hole being relatively large in diameter is opened in workpiece surface, then
A less through hole of diameter is opened in blind hole, so as to form counterbore or shoulder hole.But traditional processing mode is more numerous
It is trivial, need to change cutter in process, reduce production efficiency.
Utility model content
The utility model provides a kind of step drill, and solve above-mentioned drill bit of the prior art needs to change when processing counterbore
Cutter, cause the technical problem of low production efficiency.
In order to solve the above technical problems, a kind of technical scheme provided by the utility model is：A kind of step drill is provided, wrapped
Include clamping part and be connected to the cutting portion of clamping part one end, described cutting portion is provided with perforate locating dowel, and described perforate is determined
Perforate chuck is provided with the post of position, the both sides of described perforate chuck are symmetrically arranged with the first cutting edge, the perforate chuck
Location division is provided with center；The both sides of described cutting portion are symmetrically arranged with the second cutting edge, the second described cutting edge position
In the outside of perforate locating dowel.
The utility model, can by adopting the above-described technical solution, by the effect of the first cutting edge and the second cutting edge
Counterbore directly is outputed on the surface of workpiece, is operated in Tapping procedures stable；In perforate, pass through location division and perforate locating dowel
Positioning action so that machining accuracy is high when this step is drilled in perforate, accurate positioning.
Above-mentioned step drill, spiral is provided with the first flute in described perforate locating dowel；First flute is convenient to be arranged
Go out chuck and chip caused by perforate is being carried out to workpiece.
Above-mentioned step drill, spiral is provided with the second flute on described cutting portion.Second flute facilitates discharge to cut
Cut portion and chip caused by perforate is being carried out to workpiece.
Above-mentioned step drill, the first described flute and the connection of the second flute spiral, are stretching into inside workpiece perforate
During processing, the first flute and the second flute spirally connect, convenient to go out caused chip in process via first
Consider groove and the discharge of the second flute to be worth doing, improve perforate speed.
Above-mentioned step drill, described perforate chuck are made up of high-speed tool steel；The intensity of high-speed tool steel is high, wearability
The characteristic such as good, extend the service life of this step drill.
Above-mentioned step drill, described location division, the first cutting edge and the second cutting edge are made up of diamond；Cut first
Cut sword, the second cutting edge and location division to contact with workpiece on the part of cutting using diamond composition, greatly improve
The intensity of this step drill, also extend the service life of this step drill.
Above-mentioned step drill, the bottom of described clamping part are provided with clamp groove；The clamp groove is used for this step
Brill is clamped on drilling machine, easy installation and removal.
Above-mentioned step drill, the surface of described clamping part are provided with a clamping plane；The clamping plane is set, contributed to
Drilling machine or other lathes firmly clamp clamping part, ensure the safety of operation and the stabilization of drilling.
The utility model is by adopting the above-described technical solution, step drill described in the utility model has the precision of drilling
The advantages of high, intensity is greatly, the service life of drill bit is long.
Brief description of the drawings
Fig. 1 is a kind of structural representation of step drill of the utility model；
Fig. 2 is a kind of dimensional structure diagram of step drill of the utility model；
Fig. 3 is the partial structural diagram of step drill in Fig. 1；
Fig. 4 is the polycrystalline substance schematic diagram of clamping part in Fig. 1.
In figure, 1 is clamping part, and 2 be cutting portion, and 3 be perforate locating dowel, and 4 be chuck, and 5 be location division, and 6 be the first cutting
Sword, 7 be the second cutting edge, and 8 be the first flute, and 9 be the second flute, and 10 be clamp groove, and 11 be clamping plane.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, a kind of step drill, including clamping part 1 and the cutting portion 2 for being connected to clamping part one end,
Described cutting portion 2 is provided with perforate locating dowel 3, and perforate chuck 4, described perforate are provided with described perforate locating dowel 3
The both sides of chuck 4 are symmetrically arranged with the first cutting edge 6, and location division 5 is provided with the center of the perforate chuck 4；Described cuts
The both sides for cutting portion 2 are symmetrically arranged with the second cutting edge 7, and the second described cutting edge 7 is located at the outside of perforate locating dowel 3.
In the present embodiment, spiral is provided with the first flute 8 in described perforate locating dowel 3；Spiral shell on described cutting portion 2
Rotation is provided with the second flute 9；The first described flute 8 connects with the spiral of the second flute 9.In the perforate operation of this step drill
When, caused chip is discharged along the first flute 8 and the second flute 9, wherein the first flute 8 and the spiral shell of the second flute 9
Rotating connection, do not interfere with chip and get lodged between the first flute 8 and the second flute 9, conveniently chip discharge during drilling, is carried
High penetration rate.
In the present embodiment, described perforate chuck 4 is made up of high-speed tool steel；Described location division 5, the first cutting edge
6 and second cutting edge 7 be made up of diamond；The bottom of described clamping part 2 is provided with clamp groove 10；Described clamping part 2
Surface be provided with a clamping plane 11.
The utility model is fixed on the equipment such as drilling machine, lathe by clamp groove 10 in the specific implementation, by clamping part 2
On, the plane 11 wherein on clamping part 2 facilitates equipment to clamp；Location division 5 is aligned at processing to be processed, you can workpiece is entered
Row processing.
To sum up, the precision of the utility model processing is high, and the intensity of drill bit is big, service life length, using wide in machining
It is general, improve production efficiency.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry
For art personnel it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and specification is explanation
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (8)
1. a kind of step drill, including clamping part and the cutting portion for being connected to clamping part one end, it is characterised in that：Described cutting portion
Perforate locating dowel is provided with, perforate chuck is provided with described perforate locating dowel, the both sides of described perforate chuck are symmetrically set
The first cutting edge is equipped with, location division is provided with the center of the perforate chuck；The both sides of described cutting portion are symmetrically arranged with
Second cutting edge, the second described cutting edge are located at the outside of perforate locating dowel.
2. step drill according to claim 1, it is characterised in that：Spiral is provided with first and gone out in described perforate locating dowel
Consider groove to be worth doing.
3. step drill according to claim 2, it is characterised in that：Spiral is provided with second and goes out bits on described cutting portion
Groove.
4. step drill according to claim 3, it is characterised in that：The first described flute and the second flute spiral connect
Connect.
5. step drill according to claim 1, it is characterised in that：Described perforate chuck is made up of high-speed tool steel.
6. step drill according to claim 1, it is characterised in that：Described location division, the first cutting edge and the second cutting
Sword is made up of diamond.
7. step drill according to claim 1, it is characterised in that：The bottom of described clamping part is provided with clamp groove.
8. step drill according to claim 1, it is characterised in that：The surface of described clamping part is provided with a clamping and put down
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427852.8U CN206811184U (en) | 2017-04-22 | 2017-04-22 | A kind of step drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720427852.8U CN206811184U (en) | 2017-04-22 | 2017-04-22 | A kind of step drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206811184U true CN206811184U (en) | 2017-12-29 |
Family
ID=60753876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720427852.8U Expired - Fee Related CN206811184U (en) | 2017-04-22 | 2017-04-22 | A kind of step drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206811184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154246A (en) * | 2019-06-03 | 2019-08-23 | 惠州市西顿光电有限公司 | A kind of combined drill bit assembly |
-
2017
- 2017-04-22 CN CN201720427852.8U patent/CN206811184U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154246A (en) * | 2019-06-03 | 2019-08-23 | 惠州市西顿光电有限公司 | A kind of combined drill bit assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20210422 |