CN103406607A - Double-edged buttress thread chasing tool blade - Google Patents
Double-edged buttress thread chasing tool blade Download PDFInfo
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- CN103406607A CN103406607A CN2013100903916A CN201310090391A CN103406607A CN 103406607 A CN103406607 A CN 103406607A CN 2013100903916 A CN2013100903916 A CN 2013100903916A CN 201310090391 A CN201310090391 A CN 201310090391A CN 103406607 A CN103406607 A CN 103406607A
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- tooth
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- cutting teeth
- buttress thread
- cutting
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Abstract
The invention discloses a double-edged buttress thread chasing tool blade. The double-edged buttress thread chasing tool blade comprises a tool body, a first working surface and a second working surface are arranged on two adjacent lateral sides of the tool body respectively, and a positioning surface is arranged on a lateral side opposite to the first working surface; cutting tooth parts composed of fine cutting teeth and rough cutting teeth are arranged on the first working surface and the second working surface respectively; lateral edges are arranged on tooth roots of the fine cutting teeth; the fine cutting teeth and the rough cutting teeth are nearly in the shapes of trapezoidal teeth; the tooth profiles of the fine cutting teeth are matched with thread tooth profiles, and the tooth profiles of the rough cutting teeth are smaller than the thread tooth profiles; a positioning hole is formed in the tool body. Due to the adoption of the double-edged tooth profiles, the double-edged buttress thread chasing tool blade is high in product utilization ratio and machining efficiency. The design of the lateral edges on the tooth roots of the fine cutting teeth ensures that cutting force of the whole blade is reduced. According to the double-edged buttress thread chasing tool blade, due to the adoption of a freestyle cutting mode, full-shape cutting is not adopted by the rough cutting teeth, cutting force is small, and the service life of the blade is long.
Description
Technical field
The present invention relates to the threading tool field, particularly a kind of double-sided blade buttress thread chasing tool.
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, 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.Severe 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 during roughing, adopt less bite, efficiency 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 used in the market mostly is single face 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 double-sided blade buttress thread chasing tool 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 double-sided blade buttress thread chasing tool, comprise cutter hub, and described cutter hub is respectively equipped with the first working face and the second working face on adjacent two sides, and the relative side of described the first working face is provided with locating surface; On described the first working face and the second working face, be respectively equipped with the cutting teeth section formed by finishing tooth and roughing tooth; The tooth root of described finishing tooth has side edge; Described finishing tooth and roughing tooth are closely trapezoidal toothed; 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 cutter hub is provided with locating hole.
Further, the profile of tooth of described finishing tooth and roughing tooth by tooth top circular arc-straight line profile of tooth, tooth at the bottom of circular arc-straight line profile of tooth and flank straight line profile of tooth form.
Further, the side edge surplus of described side edge is 0.1 ± 0.1mm, the side edge angle is 5 ° 30 ' ± 45 '.
Further, described cutter hub is for closely square.
Further, the finishing tooth in described each cutting teeth section and the quantity of roughing tooth are respectively one.
Technique scheme has following beneficial effect:
1) double-sided blade buttress thread chasing tool of the present invention, have two working faces, improves the product utilization rate, also saves the time that the workman changes cutter and tool setting, and working (machining) efficiency is high.
2) double-sided blade buttress thread chasing tool of the present invention has side edge at the tooth root place of finishing tooth, and has designed rational side edge surplus and side edge angle, makes cutting resistance reduce.
3) cutting way of double-sided blade buttress thread chasing tool of the present invention is the free style cutting way, in when cutting, because the profile of tooth of roughing tooth is less than form of thread, it not the holotype cutting, so during cutting, cutting resistance is less than the cutting force of holotype cutting, chip removal is smooth and easy, the long service life of cutter.
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 to be elaborated to this patent.
The accompanying drawing explanation
Fig. 1 is the structural representation of double-sided blade buttress thread chasing tool of the present invention.
Fig. 2 is the generalized section at the finishing tooth tooth root side edge C-C place of double-sided blade buttress thread chasing tool shown in Figure 1.
The specific embodiment
As shown in Figure 1, double-sided blade buttress thread chasing tool of the present invention, comprise cutter hub 1, and described cutter hub 1 is respectively equipped with the first working face 21 and the second working face 22 on adjacent two sides, and described the first relative side of working face 21 is provided with locating surface 3; On described the first working face 21 and the second working face 22, be respectively equipped with the cutting teeth section formed by finishing tooth 4 and roughing tooth 5.The design of two working faces makes working (machining) efficiency and product utilization rate improve.
The tooth root of described finishing tooth 4 has side edge.As shown in Figure 2, in the present embodiment, the side edge surplus A of described side edge is designed to 0.1 ± 0.1mm, and the side edge angle B is designed to 5 ° 30 ' ± 45 '.
As shown in Figure 1, described finishing tooth 4 and roughing tooth 5 are closely trapezoidal toothed, be used to processing buttress thread; Described finishing tooth 4 profiles of tooth and described form of thread are complementary, and described roughing tooth 5 profiles of tooth are less than described form of thread; Only have finishing tooth 4 for full thread form cutting, make to cut cross section and comprise a complete form of thread, guaranteed geometric accuracy and the surface smoothness of thread tooth.Roughing tooth 5 is not the holotype cutting, makes cutting resistance reduce.
The cutter hub 1 of described double-sided blade buttress thread chasing tool is provided with locating hole 6, for blade is installed and is positioned knife rest.
The profile of tooth of described finishing tooth 4 and roughing tooth 5 by tooth top circular arc-straight line profile of tooth, tooth at the bottom of circular arc-straight line profile of tooth and flank straight line profile of tooth form.Circular arc radian at the bottom of, tooth top circular arc poor by tooth top reasonable in design and tooth, not only guarantee the precision of product also to make cutting force reduce, the long service life of cutter.
In the present embodiment, cutter hub 1 squarish of double-sided blade buttress thread chasing tool.Finishing tooth in each cutting teeth section and the quantity of roughing tooth are set to each.
The above is explained in detail 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 under the prerequisite that does not break away from aim of the present invention, make a variety of changes.
Claims (5)
1. a double-sided blade buttress thread chasing tool, comprise cutter hub, it is characterized in that: described cutter hub is respectively equipped with the first working face and the second working face on adjacent two sides, and the relative side of described the first working face is provided with locating surface; On described the first working face and the second working face, be respectively equipped with the cutting teeth section formed by finishing tooth and roughing tooth; The tooth root of described finishing tooth has side edge; Described finishing tooth and roughing tooth are closely trapezoidal toothed; 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 cutter hub is provided with locating hole.
2. double-sided blade buttress thread chasing tool according to claim 1 is characterized in that: the profile of tooth of described finishing tooth and roughing tooth by tooth top circular arc-straight line profile of tooth, tooth at the bottom of circular arc-straight line profile of tooth and flank straight line profile of tooth form.
3. double-sided blade buttress thread chasing tool according to claim 1, it is characterized in that: the side edge surplus of described side edge is 0.1 ± 0.1mm, the side edge angle is 5 ° 30 ' ± 45 '.
4. double-sided blade tricky question chaser according to claim 1, it is characterized in that: described cutter hub is for closely square.
5. double-sided blade buttress thread chasing tool according to claim 1, it is characterized in that: the finishing tooth in described each cutting teeth section and the quantity of roughing tooth are respectively one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903916A CN103406607A (en) | 2013-03-21 | 2013-03-21 | Double-edged buttress thread chasing tool blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903916A CN103406607A (en) | 2013-03-21 | 2013-03-21 | Double-edged buttress thread chasing tool blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103406607A true CN103406607A (en) | 2013-11-27 |
Family
ID=49599674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100903916A Pending CN103406607A (en) | 2013-03-21 | 2013-03-21 | Double-edged buttress thread chasing tool blade |
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| CN (1) | CN103406607A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057715A (en) * | 2015-09-06 | 2015-11-18 | 昆山华辰精密工具有限公司 | Double-hole double-edged blade |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110936A (en) * | 1977-04-07 | 1978-09-05 | Bela Augusztin | Grinding arbor |
| CN2065108U (en) * | 1989-12-08 | 1990-11-07 | 机械电子工业部成都工具研究所 | Chaser |
| JPH11320255A (en) * | 1998-05-20 | 1999-11-24 | Sumitomo Metal Ind Ltd | Chaser |
| CN2399139Y (en) * | 1999-11-25 | 2000-10-04 | 上海宝钢集团公司 | Oblique shaft butt and double-bit screw comb knife |
| CN2399138Y (en) * | 1999-11-25 | 2000-10-04 | 上海宝钢集团公司 | Single-tooth double-bit screw comb knife |
| JP3685242B2 (en) * | 1999-07-19 | 2005-08-17 | 住友金属工業株式会社 | Cutting method of tapered square screw |
| JP2006130579A (en) * | 2004-11-02 | 2006-05-25 | Sumitomo Metal Ind Ltd | Chaser |
| JP4543372B2 (en) * | 2004-04-30 | 2010-09-15 | 住友金属工業株式会社 | Thread cutting method for steel pipe |
| 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 |
| CN203197416U (en) * | 2013-03-21 | 2013-09-18 | 昆山华辰精密工具有限公司 | Double-edge buttress thread chaser |
-
2013
- 2013-03-21 CN CN2013100903916A patent/CN103406607A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110936A (en) * | 1977-04-07 | 1978-09-05 | Bela Augusztin | Grinding arbor |
| CN2065108U (en) * | 1989-12-08 | 1990-11-07 | 机械电子工业部成都工具研究所 | Chaser |
| JPH11320255A (en) * | 1998-05-20 | 1999-11-24 | Sumitomo Metal Ind Ltd | Chaser |
| JP3685242B2 (en) * | 1999-07-19 | 2005-08-17 | 住友金属工業株式会社 | Cutting method of tapered square screw |
| CN2399139Y (en) * | 1999-11-25 | 2000-10-04 | 上海宝钢集团公司 | Oblique shaft butt and double-bit screw comb knife |
| CN2399138Y (en) * | 1999-11-25 | 2000-10-04 | 上海宝钢集团公司 | Single-tooth double-bit screw comb knife |
| JP4543372B2 (en) * | 2004-04-30 | 2010-09-15 | 住友金属工業株式会社 | Thread cutting method for steel pipe |
| JP2006130579A (en) * | 2004-11-02 | 2006-05-25 | Sumitomo Metal Ind Ltd | Chaser |
| 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 |
| CN203197416U (en) * | 2013-03-21 | 2013-09-18 | 昆山华辰精密工具有限公司 | Double-edge buttress thread chaser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057715A (en) * | 2015-09-06 | 2015-11-18 | 昆山华辰精密工具有限公司 | Double-hole double-edged blade |
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Application publication date: 20131127 |