CN203649496U - Milling cutter for machining threaded hole - Google Patents
Milling cutter for machining threaded hole Download PDFInfo
- Publication number
- CN203649496U CN203649496U CN201320676293.6U CN201320676293U CN203649496U CN 203649496 U CN203649496 U CN 203649496U CN 201320676293 U CN201320676293 U CN 201320676293U CN 203649496 U CN203649496 U CN 203649496U
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- CN
- China
- Prior art keywords
- cutting edge
- knife bar
- cutter head
- aperture
- milling cutter
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- Expired - Fee Related
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Abstract
The utility model relates to a milling cutter for machining a threaded hole. The milling cutter comprises a cutter bar, wherein a tool bit which axially extends along the cutter bar is arranged at one end of the cutter bar; an end face cutting edge, a threaded cutting edge and an orifice inner wall cutting edge are formed in the tool bit; the end face cutting edge is positioned at a free end of the tool bit; the threaded cutting edge is positioned on a circumferential surface of the tool bit; the orifice inner wall cutting edge is positioned on the outer peripheral surface of the tool bit; one end of the orifice inner wall cutting edge extends to the cutter bar. According to the milling cutter, the threaded hole can be machined at a time, and the milling cutter has the advantages of simple process, high production efficiency and low cost.
Description
Technical field
The utility model relates to a kind of milling cutter of thread mill drilling.
Background technology
Blade shapes has a variety of, and on plain-milling machine and CNC milling machine working groove and outline of straight line, milling boring machining center, processing cavity, core, curved profile, profile are used.Now more milling cutter is applied in hole processing and pocket machining.As secure component for convenience detach and that regulate, screw, countersunk head screwed hole be often application in industrial production and daily life, the process of countersunk head screwed hole is general milling machine or the drilling machine subdrilling bottom outlet of adopting at present, artificial screw tap or machine screw tap carry out tapping, finally process counter sink with milling machine again, whole like this process more complicated, operation is many, production efficiency is low, and processing cost is high.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of milling cutter of thread mill drilling, and the utility model can time processing moulding screwed hole, has advantages of that operation is simple, production efficiency is high and adds that this is low.
The technical scheme solving the problems of the technologies described above is as follows:
The milling cutter of thread mill drilling, comprise knife bar, one end of knife bar is provided with one along the axially extended cutter head of knife bar, this cutter head is provided with face cutting edge, screw chasing sword and aperture inwall cutting edge, described face cutting edge is positioned at the free end of this cutter head, screw chasing sword is positioned on the periphery of cutter head, and described aperture inwall cutting edge is positioned on the outer circumference surface of cutter head, and one end of aperture inwall cutting edge extends to knife bar.
Described aperture inwall cutting edge is and is in tilted layout, and the angle between extension line and the knife bar axial line of this aperture inwall cutting edge is 14 to 16 degree.
On described cutter head, be also provided with aperture face cutting edge, one end of this aperture face cutting edge is along the radially extension of knife bar, and aperture face cutting edge and the knife bar angle between is radially 4.5-5.5 degree
Pitch between two adjacent threads of described screw chasing sword is 1 to 2mm.
Adopt such scheme, cutter head is provided with face cutting edge, screw chasing sword and aperture inwall cutting edge, described face cutting edge is positioned at the free end of this cutter head, screw chasing sword is positioned on the periphery of cutter head, described aperture inwall cutting edge is positioned on the outer circumference surface of cutter head, and one end of aperture inwall cutting edge extends to knife bar.Workpiece is added to man-hour, first workpiece is carried out to Milling Process by face cutting edge, along with cutter head going deep into the hole processing, screw chasing sword cuts the internal face of endoporus, on tube wall, process screw thread, along with cutter head gos deep into again step by step, aperture inwall cutting edge cuts aperture internal face, presents bell-mouthed shape at aperture place.Through said process, milling cutter of the present utility model processes required screw thread at endoporus wall once, thereby has advantages of that operation is simple, production efficiency is high and it is originally low to add.
Accompanying drawing explanation
Fig. 1 is the front view of the milling cutter of thread mill drilling of the present utility model;
In accompanying drawing, 1 is knife bar, and 2 is cutter head, and 3 is face cutting edge, and 4 is screw chasing sword, and 5 is aperture inwall cutting edge, and 6 is aperture face cutting edge.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
With reference to Fig. 1, the milling cutter of thread mill drilling of the present utility model, comprise knife bar 1, one end of knife bar 1 is provided with one along the axially extended cutter head 2 of knife bar, this cutter head 2 is provided with face cutting edge 3, screw chasing sword 4 and aperture inwall cutting edge 5, and described face cutting edge 3 is positioned at the free end of this cutter head 2, and screw chasing sword 4 is positioned on the periphery of cutter head 2, described aperture inwall cutting edge 5 is positioned on the outer circumference surface of cutter head, and one end of aperture inwall cutting edge 5 extends to knife bar 1.Described aperture inwall cutting edge 5 is and is in tilted layout, and the angle α between the extension line of this aperture inwall cutting edge 5 and knife bar 1 axial line is 14 to 16 degree.On cutter head 2, be also provided with aperture face cutting edge 6, one end of this aperture face cutting edge 6 is along the radially extension of knife bar 1, and aperture face cutting edge 5 and the knife bar 1 angle β between is radially that the pitch L between two adjacent threads of the described screw chasing sword of 4.5-5.5 degree is 1 to 2mm.
Claims (4)
1. the milling cutter of a thread mill drilling, comprise knife bar, it is characterized in that: one end of knife bar is provided with one along the axially extended cutter head of knife bar, this cutter head is provided with face cutting edge, screw chasing sword and aperture inwall cutting edge, described face cutting edge is positioned at the free end of this cutter head, screw chasing sword is positioned on the periphery of cutter head, and described aperture inwall cutting edge is positioned on the outer circumference surface of cutter head, and one end of aperture inwall cutting edge extends to knife bar.
2. the milling cutter of thread mill drilling according to claim 1, is characterized in that: described aperture inwall cutting edge is and is in tilted layout, and the angle between extension line and the knife bar axial line of this aperture inwall cutting edge is 14 to 16 degree.
3. the milling cutter of thread mill drilling according to claim 1, it is characterized in that: on described cutter head, be also provided with aperture face cutting edge, one end of this aperture face cutting edge is along the radially extension of knife bar, and aperture face cutting edge and the knife bar angle between is radially 4.5-5.5 degree
4. the milling cutter of thread mill drilling according to claim 1, is characterized in that: the pitch between two adjacent threads of described screw chasing sword is 1 to 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676293.6U CN203649496U (en) | 2013-10-29 | 2013-10-29 | Milling cutter for machining threaded hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676293.6U CN203649496U (en) | 2013-10-29 | 2013-10-29 | Milling cutter for machining threaded hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649496U true CN203649496U (en) | 2014-06-18 |
Family
ID=50915933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320676293.6U Expired - Fee Related CN203649496U (en) | 2013-10-29 | 2013-10-29 | Milling cutter for machining threaded hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203649496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964827A (en) * | 2017-05-18 | 2017-07-21 | 株洲钻石切削刀具股份有限公司 | A kind of compound thread milling cutter |
| CN113967757A (en) * | 2021-11-12 | 2022-01-25 | 贵州航天精工制造有限公司 | Efficient precise composite milling cutter and manufacturing method thereof |
-
2013
- 2013-10-29 CN CN201320676293.6U patent/CN203649496U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964827A (en) * | 2017-05-18 | 2017-07-21 | 株洲钻石切削刀具股份有限公司 | A kind of compound thread milling cutter |
| CN106964827B (en) * | 2017-05-18 | 2019-11-29 | 株洲钻石切削刀具股份有限公司 | A kind of compound thread milling cutter |
| CN113967757A (en) * | 2021-11-12 | 2022-01-25 | 贵州航天精工制造有限公司 | Efficient precise composite milling cutter and manufacturing method thereof |
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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: 20140618 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |