CN103128381A - Slant ladder thread machining blade of petroleum pipeline - Google Patents
Slant ladder thread machining blade of petroleum pipeline Download PDFInfo
- Publication number
- CN103128381A CN103128381A CN2013100903920A CN201310090392A CN103128381A CN 103128381 A CN103128381 A CN 103128381A CN 2013100903920 A CN2013100903920 A CN 2013100903920A CN 201310090392 A CN201310090392 A CN 201310090392A CN 103128381 A CN103128381 A CN 103128381A
- Authority
- CN
- China
- Prior art keywords
- tooth
- cutting
- petroleum pipeline
- roughing
- cutting teeth
- 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
Links
Images
Landscapes
- Numerical Control (AREA)
Abstract
The invention discloses a slant ladder thread machining blade of a petroleum pipeline. The thread machining blade comprises a cutter, a cutting teeth portion and a location hole, a working face is arranged on a lateral face of the cutter, a location face is arranged on the other opposite lateral face, the location hole is formed in the cutter, the cutting teeth portion is arranged on the working face, and the cutting teeth portion is composed of one refined cutting tooth and four rough cutting teeth. The refined cutting tooth and the rough cutting teeth are all of approximate ladder-shaped teeth types which are composed of tooth crest arc-straight line tooth forms, tooth bottom arc-straight line tooth forms and tooth side straight line tooth forms. A type of the refined cutting tooth is matched with that of thread teeth, and a type of the rough cutting teeth is smaller than that of the thread teeth. Tooth crest differences of the rough cutting teeth sequentially increase relative to the refined cutting tooth. The slant ladder thread machining blade of the petroleum pipeline is small in cutting resistance, high in machining efficiency and smooth in chip removal.
Description
Technical field
The present invention relates to the threading tool field, particularly a kind of petroleum pipeline buttress thread processing blades.
Background technology
Along with the oil-gas exploration exploitation constantly develops in depth, geological conditions is day by day complicated, and oil well pipe is faced with serious test, and is more and more higher to the requirement of oil well pipe.Buttress thread oil pipe tensile strength is higher, has higher bonding strength, so be widely applied in oil pipe.Abominable condition double thread cutter proposes requirements at the higher level, and the precision of double thread and the requirement of surface quality are more and more higher, and requires the high-speed and high-efficiency cutting.In turning processing, buttress thread is because total cutting depth is large, and tool dimension is subject to the restriction of trapezoidal thread physical dimension.On market, existing tool stiffness is poor, and its cutting way is all to adopt non-free cutting mode, and each cutting teeth is full tooth form cutting, and cutting resistance is large, and chip removal is not smooth, and iron filings easily are wound around.If adopt less bite during roughing, efficient is too low, the larger a little frequent generation spring sword of bite or corner wear, time-consuming effort again in actual production, and the good size of controlled working.In addition, the cutter structure that uses in the market mostly is bidentate shape or three odontoids, adopts repeatedly feed to complete the processing of profile of tooth, and working (machining) efficiency is low.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide that a kind of cutting resistance is little, working (machining) efficiency is high, chip removal petroleum pipeline buttress thread processing blades smoothly.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of petroleum pipeline buttress thread processing blades comprises cutter hub, cutting teeth section and locating hole, it is characterized in that: described cutter hub side is provided with working face, and another relative side is provided with locating surface; Described locating hole is located on cutter hub; Described cutting teeth section is located on described working face, and is comprised of 1 finishing tooth and 4 roughing tooths; Described finishing tooth and roughing tooth are closely trapezoidal toothed, this near trapezoidal toothedly is comprised of circular arc-straight line profile of tooth at the bottom of tooth top circular arc-straight line profile of tooth, tooth and flank straight line profile of tooth; Described finishing tooth profile of tooth and described form of thread are complementary, and described roughing tooth profile of tooth is less than described form of thread; Described roughing tooth increases successively with respect to the tooth top of described finishing tooth is poor.
Preferably, described 1 finishing tooth and 4 roughing tooths are arranged sequentially according to what successively decrease highly successively along described working face, make described cutting teeth section form a gradient.
Preferably, described roughing tooth is with respect to poor 0.10 ± 0.06mm, 0.32 ± 0.06mm, 0.64 ± 0.06mm, the 1.10 ± 0.06mm of respectively being of the tooth top of described finishing tooth; At the bottom of tooth, difference respectively is 0.010+0.04mm, 0.26 ± 0.02mm, 0.43 ± 0.02mm.
Preferably, described cutter hub is trapezoidal cutter hub.
Preferably, described locating hole is manhole.
Technique scheme has following beneficial effect:
1) profile of tooth of the finishing tooth of petroleum pipeline buttress thread processing blades of the present invention and roughing tooth for closely trapezoidal, be used for processing and partially shave the shape screw thread, has adopted rational tooth top poor low poor with tooth, and cutting force is little.
2) petroleum pipeline buttress thread processing blades of the present invention adopts five tooth profiles of tooth of 1 finishing tooth and 4 finishing tooths, just can complete processing maximum twice, rigidity lathe time processing preferably just can be completed the processing of workpiece, production and processing efficient is the several times of existing process tool, 2) cutting way of petroleum pipeline buttress thread processing blades of the present invention is the free style cutting way, by the asymptotic cutting of roughing tooth and finishing tooth, solved the load problem pockety between each tooth.And, in when cutting, less than form of thread, be not the holotype cutting due to the profile of tooth of roughing tooth, thus during cutting cutting resistance less than the cutting force of holotype cutting.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with the specific embodiment of the present invention and coordinate accompanying drawing that this patent is elaborated.
Description of drawings
Fig. 1 is the structural representation of petroleum pipeline buttress thread processing blades of the present invention.
Fig. 2 is the cutting teeth section structural representation of petroleum pipeline buttress thread processing blades shown in Figure 1.
The specific embodiment
As depicted in figs. 1 and 2, petroleum pipeline buttress thread processing blades of the present invention comprises cutter hub 1, cutting teeth section 3 and locating hole 5, and described cutter hub 1 side is provided with working face 2, and another relative side is provided with locating surface 4; Described locating hole 5 is located on cutter hub 1; Described cutting teeth section 3 is located on described working face 2, and is comprised of 1 finishing tooth 31 and 4 roughing tooths 32; Described finishing tooth 31 and roughing tooth 32 are closely trapezoidal toothed, this near trapezoidal toothedly is comprised of circular arc-straight line profile of tooth at the bottom of tooth top circular arc-straight line profile of tooth, tooth and flank straight line profile of tooth; Described finishing tooth 31 profiles of tooth and described form of thread are complementary, and described roughing tooth 32 profiles of tooth are less than described form of thread; Described roughing tooth 32 increases successively with respect to the poor A of the tooth top of described finishing tooth 31.
The finishing tooth 31 of this petroleum pipeline buttress thread processing blades and roughing tooth 32 profiles of tooth are for closely trapezoidal toothed, thereby are used for the processing buttress thread.
This petroleum pipeline buttress thread processing blades adopts free style cutting way, and between each tooth, load is evenly distributed, and when cutting, less than form of thread, is not the holotype cutting due to the profile of tooth of roughing tooth 32, thus during cutting cutting resistance less than the cutting force of holotype cutting.Finishing tooth 31 is the holotype cutting, makes the cutting cross section comprise a complete form of thread, to guarantee geometric accuracy and the surface smoothness of thread tooth.
As shown in Figure 2,1 finishing tooth 31 and 4 roughing tooths 32 are arranged sequentially according to what successively decrease highly successively along described working face 2, make described cutting teeth section 3 form gradients.Adopt five tooth profiles of tooth, production and processing efficient improves.Roughing tooth 322 respectively is 0.10 ± 0.06mm, 0.32 ± 0.06mm, 0.64 ± 0.06mm, 1.10 ± 0.06mm with respect to the poor A of the tooth top of finishing tooth 31; At the bottom of tooth, poor B respectively is 0.010+0.04mm, 0.26 ± 0.02mm, 0.43 ± 0.02mm.
In the present embodiment, the cutter hub 1 of this petroleum pipeline buttress thread processing cutter is trapezoidal cutter hub.The locating hole 5 that is positioned on cutter hub 1 is manhole, is used for blade is arranged on knife rest.
The above has done detailed description to embodiments of the present invention by reference to the accompanying drawings, but the present invention is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also make a variety of changes under the prerequisite that does not break away from aim of the present invention.
Claims (5)
1. a petroleum pipeline buttress thread processing blades, comprise cutter hub, cutting teeth section and locating hole, it is characterized in that: described cutter hub side is provided with working face, and another relative side is provided with locating surface; Described locating hole is located on cutter hub; Described cutting teeth section is located on described working face, and is comprised of 1 finishing tooth and 4 roughing tooths; Described finishing tooth and roughing tooth are closely trapezoidal toothed, this near trapezoidal toothedly is comprised of circular arc-straight line profile of tooth at the bottom of tooth top circular arc-straight line profile of tooth, tooth and flank straight line profile of tooth; Described finishing tooth profile of tooth and described form of thread are complementary, and described roughing tooth profile of tooth is less than described form of thread; Described roughing tooth increases successively with respect to the tooth top of described finishing tooth is poor.
2. petroleum pipeline buttress thread processing blades according to claim 1, it is characterized in that: described 1 finishing tooth and 4 roughing tooths are arranged sequentially according to what successively decrease highly successively along described working face, make described cutting teeth section form a gradient.
3. petroleum pipeline buttress thread processing blades according to claim 2, it is characterized in that: described roughing tooth is with respect to poor 0.10 ± 0.06mm, 0.32 ± 0.06mm, 0.64 ± 0.06mm, the 1.10 ± 0.06mm of respectively being of the tooth top of described finishing tooth; At the bottom of tooth, difference respectively is 0.010+0.04mm, 0.26 ± 0.02mm, 0.43 ± 0.02mm.
4. petroleum pipeline buttress thread processing blades according to claim 1, it is characterized in that: described cutter hub is trapezoidal cutter hub.
5. petroleum pipeline buttress thread processing blades according to claim 1, it is characterized in that: described locating hole is manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903920A CN103128381A (en) | 2013-03-21 | 2013-03-21 | Slant ladder thread machining blade of petroleum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903920A CN103128381A (en) | 2013-03-21 | 2013-03-21 | Slant ladder thread machining blade of petroleum pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103128381A true CN103128381A (en) | 2013-06-05 |
Family
ID=48489184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100903920A Pending CN103128381A (en) | 2013-03-21 | 2013-03-21 | Slant ladder thread machining blade of petroleum pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103128381A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028858A (en) * | 2014-05-22 | 2014-09-10 | 中国石油集团石油管工程技术研究院 | Alloy blade for machining internal threads of sealing screwed joint |
| CN104028857A (en) * | 2014-05-22 | 2014-09-10 | 中国石油集团石油管工程技术研究院 | Alloy blade for machining external threads of sealing screwed joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035744A (en) * | 1997-11-04 | 2000-03-14 | Schwarzkopt Technologies Corp. | Method for the production of a cutting insert for thread cutting |
| JP2006130579A (en) * | 2004-11-02 | 2006-05-25 | Sumitomo Metal Ind Ltd | Chaser |
| CN202344067U (en) * | 2011-11-25 | 2012-07-25 | 昆山华辰精密工具有限公司 | Threading insert for machining oil casing couplings |
| CN102756185A (en) * | 2012-07-10 | 2012-10-31 | 天津钢管集团股份有限公司 | Thread chaser for cutting double-line pipe threads |
| CN202571509U (en) * | 2012-05-11 | 2012-12-05 | 昆山华辰精密工具有限公司 | Thread cutter blade for machining petroleum pipes |
| CN202622095U (en) * | 2012-06-20 | 2012-12-26 | 成都岷江精密刀具有限公司 | Petroleum pipe thread chaser with chip breaker grooves |
| CN102933342A (en) * | 2010-06-17 | 2013-02-13 | 株式会社钨钛合金 | Cutting insert for threading |
| CN203124882U (en) * | 2013-03-21 | 2013-08-14 | 昆山华辰精密工具有限公司 | Blade for processing buttress threads of petroleum pipe |
-
2013
- 2013-03-21 CN CN2013100903920A patent/CN103128381A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035744A (en) * | 1997-11-04 | 2000-03-14 | Schwarzkopt Technologies Corp. | Method for the production of a cutting insert for thread cutting |
| JP2006130579A (en) * | 2004-11-02 | 2006-05-25 | Sumitomo Metal Ind Ltd | Chaser |
| CN102933342A (en) * | 2010-06-17 | 2013-02-13 | 株式会社钨钛合金 | Cutting insert for threading |
| CN202344067U (en) * | 2011-11-25 | 2012-07-25 | 昆山华辰精密工具有限公司 | Threading insert for machining oil casing couplings |
| CN202571509U (en) * | 2012-05-11 | 2012-12-05 | 昆山华辰精密工具有限公司 | Thread cutter blade for machining petroleum pipes |
| CN202622095U (en) * | 2012-06-20 | 2012-12-26 | 成都岷江精密刀具有限公司 | Petroleum pipe thread chaser with chip breaker grooves |
| CN102756185A (en) * | 2012-07-10 | 2012-10-31 | 天津钢管集团股份有限公司 | Thread chaser for cutting double-line pipe threads |
| CN203124882U (en) * | 2013-03-21 | 2013-08-14 | 昆山华辰精密工具有限公司 | Blade for processing buttress threads of petroleum pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028858A (en) * | 2014-05-22 | 2014-09-10 | 中国石油集团石油管工程技术研究院 | Alloy blade for machining internal threads of sealing screwed joint |
| CN104028857A (en) * | 2014-05-22 | 2014-09-10 | 中国石油集团石油管工程技术研究院 | Alloy blade for machining external threads of sealing screwed joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140301796A1 (en) | Tool and method for cutting thread production | |
| CN102814559B (en) | A kind of method of machining screw | |
| CN203124882U (en) | Blade for processing buttress threads of petroleum pipe | |
| CN202344067U (en) | Threading insert for machining oil casing couplings | |
| CN201871786U (en) | End mill combined with drilling, chamfering and thread milling | |
| CN205129045U (en) | Insert milling cutter with vibration damping and tool cutting edge angle are variable | |
| CN103128381A (en) | Slant ladder thread machining blade of petroleum pipeline | |
| CN203197416U (en) | Double-edge buttress thread chaser | |
| CN202607016U (en) | Deep hole thread turning tool with slide block | |
| CN203636137U (en) | Petroleum pipeline thread chaser | |
| CN103128380A (en) | Petroleum sleeve joint chaser blade | |
| CN202571509U (en) | Thread cutter blade for machining petroleum pipes | |
| CN203197415U (en) | Oil casing connector thread chasing tool blade | |
| CN204234845U (en) | A kind of three sword aluminium milling cutters | |
| CN204094220U (en) | A kind of T-shaped cutter | |
| CN103406607A (en) | Double-edged buttress thread chasing tool blade | |
| CN205519836U (en) | Spiral blade dovetail milling cutter | |
| CN205289971U (en) | Thread processing gang tool | |
| CN204524375U (en) | integral alloy R type balance milling cutter | |
| CN204397069U (en) | A kind of undulating helical sword reamer | |
| CN203636134U (en) | Cemented carbide screw thread machining cutting blade | |
| CN102179576A (en) | Guiding compound cutting screw tap based on different diameters | |
| CN206936544U (en) | A kind of diamond double-sided sword buttress thread cutter | |
| CN204171379U (en) | A kind of tool | |
| CN201871783U (en) | Fine-milling tungsten-steel end mill with multiple filleted corners |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |