CN204892997U - Two bore a boring combination cutting tool with adjustable - Google Patents
Two bore a boring combination cutting tool with adjustable Download PDFInfo
- Publication number
- CN204892997U CN204892997U CN201520388443.2U CN201520388443U CN204892997U CN 204892997 U CN204892997 U CN 204892997U CN 201520388443 U CN201520388443 U CN 201520388443U CN 204892997 U CN204892997 U CN 204892997U
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- CN
- China
- Prior art keywords
- boring
- boring cutter
- drill bit
- bit
- cutter
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- 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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Abstract
The utility model provides a two bore a boring combination cutting tool with adjustable. The utility model provides a: a two bore a boring combination cutting tool with adjustable, includes first bit, big drill bit, big bit body, boring cutter, the boring cutter body, screw and cutter arbor, the first bit sets up in the hole of big drill bit and big bit body and cutter arbor with the fits that moves about to by screw locking location, big bit body matches with the screw mode with the cutter arbor, and its left end is equipped with with it the big drill bit that links to each other with the brazing mode, and the boring cutter sets up on the boring cutter body with the brazing mode, boring cutter sinistron end is equipped with four elasticity grooves, and boring cutter sinistron end matches with the cutter arbor tapering, and its right -hand member cooperatees with the screw thread mode with the cutter arbor, the material of big drill bit and boring cutter is carbide. The beneficial effects of the utility model are that: just once can come out the big aperture simultaneous processing in front and back, productivity ratio improves more than the one time, the back boring of preceding brill, and the machining precision is high, and is of high quality.
Description
Technical field
The utility model relates to a kind of adjustable two and bores a boring compound tool, belongs to machining tool technical field.
Background technology
In the machine cut in hole is processed, often encounter a kind of front and back size holes at a distance of certain pitch-row, and require the processing in the hole that machining accuracy grade is high, to the processing of this pores, generally all to be come by three process, the aperture by a little bit drills through holes for the first time, second time be by large bit drills one before macropore, , with boring cutter, bore hole is carried out to macropore above for the third time, this stepped processing mode, not only process velocity is slow, and owing to repeatedly converting machining benchmark, its machining accuracy also cannot reach requirement, so quality and benefits is all undesirable.
Summary of the invention
The purpose of this utility model is just to provide a kind of adjustable two and bores a boring compound tool, for solving the problem.
The technical solution of the utility model is: a kind of adjustable two bore a boring compound tool, comprise little drill bit, large drill bit, large bit body, boring cutter, boring cutter body, screw and knife bar, little drill bit is arranged in the endoporus of large drill bit and large bit body and knife bar with movable fit system, and located by screw lock, large bit body and knife bar match threadably, its left end is provided with it with the large drill bit that brazing mode is connected, boring cutter is arranged on boring cutter body in brazing mode, described boring cutter body left end is provided with four elastic grooves, boring cutter body left end and knife bar tapering match, its right-hand member matches threadably with knife bar, the material of described large drill bit and boring cutter is carbide alloy.
The beneficial effects of the utility model are: once just large for front and back aperture can be processed simultaneously, productivity ratio is enhanced about more than once, boring after front brill, and machining accuracy is high, and quality is good.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, known with reference to accompanying drawing 1, a kind of adjustable two bore a boring compound tool, comprise little drill bit 1, large drill bit 2, large bit body 3, boring cutter 4, boring cutter body 5, screw 6 and knife bar 7, little drill bit 1 is arranged in the endoporus of large drill bit 2 and large bit body 3 and knife bar 7 with movable fit system, and by screw 6 locking positioning, large bit body 3 matches threadably with knife bar 7, its left end is provided with it with the large drill bit 2 that brazing mode is connected, boring cutter 4 is arranged on boring cutter body 5 in brazing mode, described boring cutter body 5 left end is provided with four elastic grooves, boring cutter body 5 left end and knife bar 7 tapering match, its right-hand member matches threadably with knife bar 7, the material of described large drill bit 2 and boring cutter 4 is carbide alloy.
When using the utility model to process aperture large at a distance of the front and back of certain pitch-row, first being installed by the utility model bolt is fastened on boring machine facing head, again according to diameter macropores to be processed, by rotating boring cutter body 5, adjust the diameter of boring cutter 4, rotate large bit body 3 simultaneously and compress boring cutter body 5 from the left side, and ensure the distance between large drill bit 2 and boring cutter 4, be greater than the pitch-row between size holes to be processed; Again according to little hole depth to be processed, adjust the length that little drill bit 1 exposes large drill bit 2, and tighten screw 6 and locate; After everything in readiness, the disposable drilling and turning of front and back size holes can be carried out.
The utility model is made the accuracy of manufacture and is required higher, 0.02mm is no more than in order to make the runout of boring cutter 4, to grind the endoporus of boring cutter body 5 and tapering, then with endoporus and tapering location, be contained in external diameter and 60 ° of tool cutting edge angles of grinding boring cutter 4 on mandrel that spy joins work, in addition, four elastic grooves on boring cutter body 5 will leave evenly, after ensureing boring cutter body 5 spreading, the runout of boring cutter 4 still meets the requirements.
Claims (2)
1. one kind adjustable two is bored a boring compound tool, comprise little drill bit (1), large drill bit (2), large bit body (3), boring cutter (4), boring cutter body (5), screw (6) and knife bar (7), it is characterized in that: little drill bit (1) is arranged in the endoporus of large drill bit (2) and large bit body (3) and knife bar (7) with movable fit system, and by screw (6) locking positioning, large bit body (3) and knife bar (7) match threadably, its left end is provided with it with the large drill bit (2) that brazing mode is connected, boring cutter (4) is arranged on boring cutter body (5) in brazing mode, described boring cutter body (5) left end is provided with four elastic grooves, boring cutter body (5) left end and knife bar (7) tapering match, its right-hand member matches threadably with knife bar (7).
2. a kind of adjustable two bore a boring compound tool according to claim 1, it is characterized in that: the material of described large drill bit (2) and boring cutter (4) is carbide alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388443.2U CN204892997U (en) | 2015-06-09 | 2015-06-09 | Two bore a boring combination cutting tool with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520388443.2U CN204892997U (en) | 2015-06-09 | 2015-06-09 | Two bore a boring combination cutting tool with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204892997U true CN204892997U (en) | 2015-12-23 |
Family
ID=54915209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520388443.2U Expired - Fee Related CN204892997U (en) | 2015-06-09 | 2015-06-09 | Two bore a boring combination cutting tool with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204892997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653977A (en) * | 2017-11-04 | 2018-02-02 | 杭州同筹网络科技有限公司 | A kind of small intelligent robot for being used to dredge sewer pipe |
| CN108655432A (en) * | 2017-03-28 | 2018-10-16 | 上海大学 | A kind of combined type boring cutter |
| CN110666220A (en) * | 2019-09-30 | 2020-01-10 | 达英科(南京)设备有限公司 | Variable-diameter drill bit and variable-diameter method |
-
2015
- 2015-06-09 CN CN201520388443.2U patent/CN204892997U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655432A (en) * | 2017-03-28 | 2018-10-16 | 上海大学 | A kind of combined type boring cutter |
| CN107653977A (en) * | 2017-11-04 | 2018-02-02 | 杭州同筹网络科技有限公司 | A kind of small intelligent robot for being used to dredge sewer pipe |
| CN110666220A (en) * | 2019-09-30 | 2020-01-10 | 达英科(南京)设备有限公司 | Variable-diameter drill bit and variable-diameter method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20200609 |