CN202571509U - Thread cutter blade for machining petroleum pipes - Google Patents

Thread cutter blade for machining petroleum pipes Download PDF

Info

Publication number
CN202571509U
CN202571509U CN 201220209703 CN201220209703U CN202571509U CN 202571509 U CN202571509 U CN 202571509U CN 201220209703 CN201220209703 CN 201220209703 CN 201220209703 U CN201220209703 U CN 201220209703U CN 202571509 U CN202571509 U CN 202571509U
Authority
CN
China
Prior art keywords
tooth
screw thread
roughing
finishing
cutting
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
Application number
CN 201220209703
Other languages
Chinese (zh)
Inventor
李长青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN HUACHEN PRECISION TOOL CO Ltd
Original Assignee
KUNSHAN HUACHEN PRECISION TOOL CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUNSHAN HUACHEN PRECISION TOOL CO Ltd filed Critical KUNSHAN HUACHEN PRECISION TOOL CO Ltd
Priority to CN 201220209703 priority Critical patent/CN202571509U/en
Application granted granted Critical
Publication of CN202571509U publication Critical patent/CN202571509U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a thread cutter blade for machining petroleum pipes, which comprises a cutter body, wherein one side surface of the cutter body is provided with a working surface, the opposite side surface is provided with a locating surface, and the center is provided with a mounting hole; the working surface is provided with a cutting tooth group comprising roughing teeth and finishing teeth; the top of each finishing tooth is a smooth camber, and is matched with the toothed thread; the top of each roughing tooth is a smooth camber, and is smaller than the toothed thread; and the center distances of the roughing teeth and the finishing teeth are identical to the thread pitch of the thread. The working surface is provided with the cutting tooth group comprising the roughing teeth and the finishing teeth, the top of each finishing tooth is a smooth camber and is matched with the toothed thread, and the top of each roughing tooth is a smooth camber and is smaller than the toothed thread; and the tooth top cambers are connected smoothly, thereby improving the cutting condition, reducing the cutting force, prolonging the service life of the cutter and preventing the product from rejection.

Description

The screw thread blade is used in a kind of petroleum pipeline processing
Technical field
The utility model relates to the threading tool field, is specifically related to a kind of petroleum pipeline processing and uses the screw thread blade.
Background technology
In recent years, along with the development of petroleum pipeline processing industry, to the precision of VAM screw thread, requiring of surface quality is increasingly high, and the VAM screw thread is used because of it connects firm having been obtained widely.The generally cutting completion on numerically controlled lathe of processing VAM screw thread; But in existing processing; Processing VAM screw thread exists machining accuracy and is difficult for guaranteeing that surface quality does not reach and requires and the low problem of working (machining) efficiency, the feasible needs that can't satisfy the development of petroleum pipeline processing industry.Reason is aspect screw cutting; Especially VAM screw thread; Cutting force very big (screw cutting is a processing and forming, whole shape all will participate in cutting-be the holotype cutting) unlike just point of a knife cuttings such as turnings; Make that blade damages easily, the easy cutter relieving of work piece, even lathe spindle is also had the injury of damage.And because cutting force is big, the depth of cut when making cutting is less, and working (machining) efficiency is lower.
Therefore, a kind ofly can to improve machining condition greatly, reduce cutting force, avoid product rejection and improve blade life be this area technical issues that need to address in design.
The utility model content
For solving the problems of the technologies described above, the screw thread blade is used in the petroleum pipeline processing that we have proposed a kind ofly can to improve machining condition greatly, reduce cutting force, avoid product rejection and improve blade life.
For achieving the above object, the technical scheme of the utility model is following:
The screw thread blade is used in a kind of petroleum pipeline processing, comprises cutter hub, and said cutter hub one side is provided with working face; Another relative side is provided with locating surface, and the center is provided with installing hole, and said working face is provided with the cutting teeth group that comprises roughing tooth and finishing tooth; Said finishing tooth tooth top is the smooth shape of circular arc; And suitable with the tooth form of said screw thread, the tooth top of said roughing tooth also is the smooth shape of circular arc, and less than the tooth form of said screw thread; The centre-to-centre spacing of said roughing tooth and said finishing tooth is consistent with the pitch of said screw thread.
Preferably, the quantity of said roughing tooth and said finishing tooth respectively is 1.
Preferably, said cutter hub is trapezoidal cutter hub.
Preferably, said locating surface chamfering is handled.
Pass through technique scheme; The utility model is through being provided with the cutting teeth group that comprises roughing tooth and finishing tooth at working face, said finishing tooth tooth top is the smooth shape of circular arc, and suitable with the tooth form of said screw thread; The tooth top of said roughing tooth also is the smooth shape of circular arc, and less than the tooth form of said screw thread; Because outside circle arc light slip is improved machining condition, reduce cutting force, prolong the service life of cutter simultaneously and avoided product rejection.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the main TV structure sketch map of the disclosed a kind of petroleum pipeline processing of the utility model embodiment with the screw thread blade;
Fig. 2 is the structural representation of the disclosed a kind of petroleum pipeline processing of the utility model embodiment with the cutting teeth group of screw thread blade.
The numeral corresponding component title represented among the figure with letter:
1. trapezoidal cutter hub 2. working faces 21. roughing tooths 22. finishing tooths
3. tooth form 6. centre-to-centre spacing of locating surface 4. installing holes 5. screw threads
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of petroleum pipeline processing to use the screw thread blade; Its operation principle is through finishing tooth tooth top on the working face is set as the smooth shape of circular arc; And suitable with the tooth form of said screw thread, the tooth top of said roughing tooth also is set as the smooth shape of circular arc, and less than the tooth form of said screw thread; Thereby improve machining condition.
Below in conjunction with the embodiment and the specific embodiment the utility model is done further detailed explanation.
Embodiment.
Like Fig. 1, shown in Figure 2, the screw thread blade is used in a kind of petroleum pipeline processing, comprises trapezoidal cutter hub 1; Said trapezoidal cutter hub 1 one sides are provided with working face 2, and another relative side is provided with locating surface 3, and the center is provided with installing hole 4; Said working face 2 is provided with the cutting teeth group that comprises roughing tooth 21 and finishing tooth 22, and said finishing tooth 22 tooth tops are the smooth shape of circular arc, and suitable with the tooth form of said screw thread; The tooth top of said roughing tooth 21 also is the smooth shape of circular arc, and less than the tooth form 5 of said screw thread; The centre-to-centre spacing 6 of said roughing tooth 21 and said finishing tooth 22 is consistent with the pitch of said screw thread.Wherein, the quantity of said roughing tooth 21 and said finishing tooth 22 respectively is 1; Said locating surface 3 chamferings are handled.
When cutting, because the profile of tooth of roughing tooth 21 less than the tooth form 5 of screw thread, is not the holotype cutting; So the cutting force during cutting is less than the cutting force of holotype cutting; Though and finishing tooth 22 is holotype cuttings, the chipping allowance when cutting is little a lot, so cutting force is also little a lot.
The installing hole 4 that is positioned at trapezoidal cutter hub 1 center is to be contained in to locate usefulness on the knife rest, and the certain precision requirement is arranged, and guarantees that blade can only rotate after installing on the knife rest; And can't move; Limit its rotation again through the hold down gag on the knife rest, this is the current techique of this area, is not described in detail in this.
As shown in Figure 2, the centre-to-centre spacing 6 of roughing tooth 21 and finishing tooth 22 is the distances between roughing tooth 21 centers and finishing tooth 22 centers, and this distance is to be provided with according to the pitch of institute's machining screw.The screw thread that different pitch require need use different blades processing, but since the pitch kind of the used screw thread of petroleum pipeline processing industry seldom, the blade kind that needs is also few, can not bring the problem of keeping trouble to use.
For easy to make, the roughing tooth 21 and the finishing tooth 22 of the Cutting blade for machining screw thread of present embodiment respectively are provided with 1.
Also roughing tooth and the finishing tooth more than 2 or 2 can be set according to concrete processed characteristics, not do special restriction at this utility model, these equally all belong to the protection domain of the utility model.
Pass through technique scheme; The utility model is through being provided with the cutting teeth group that comprises roughing tooth 21 and finishing tooth 22 on working face 2; Said finishing tooth 22 tooth tops are the smooth shape of circular arc; And suitable with the tooth form 5 of said screw thread, the tooth top of said roughing tooth 21 also is the smooth shape of circular arc, and less than the tooth form 5 of said screw thread; Because outside circle arc light slip is improved machining condition, reduce cutting force, prolong the service life of cutter simultaneously and avoided product rejection.
To the above-mentioned explanation of disclosed a kind of petroleum pipeline processing, make this area professional and technical personnel can realize or use the utility model with screw thread blade embodiment.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (4)

1. the screw thread blade is used in a petroleum pipeline processing, comprises cutter hub, and said cutter hub one side is provided with working face; Another relative side is provided with locating surface, and the center is provided with installing hole, and said working face is provided with the cutting teeth group that comprises roughing tooth and finishing tooth; It is characterized in that said finishing tooth tooth top is the smooth shape of circular arc, and suitable with the tooth form of said screw thread; The tooth top of said roughing tooth also is the smooth shape of circular arc, and less than the tooth form of said screw thread; The centre-to-centre spacing of said roughing tooth and said finishing tooth is consistent with the pitch of said screw thread.
2. the screw thread blade is used in a kind of petroleum pipeline processing according to claim 1, it is characterized in that the quantity of said roughing tooth and said finishing tooth respectively is 1.
3. the screw thread blade is used in a kind of petroleum pipeline processing according to claim 2, it is characterized in that said cutter hub is trapezoidal cutter hub.
4. the screw thread blade is used in a kind of petroleum pipeline processing according to claim 3, it is characterized in that said locating surface chamfering is handled.
CN 201220209703 2012-05-11 2012-05-11 Thread cutter blade for machining petroleum pipes Expired - Fee Related CN202571509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220209703 CN202571509U (en) 2012-05-11 2012-05-11 Thread cutter blade for machining petroleum pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220209703 CN202571509U (en) 2012-05-11 2012-05-11 Thread cutter blade for machining petroleum pipes

Publications (1)

Publication Number Publication Date
CN202571509U true CN202571509U (en) 2012-12-05

Family

ID=47240961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220209703 Expired - Fee Related CN202571509U (en) 2012-05-11 2012-05-11 Thread cutter blade for machining petroleum pipes

Country Status (1)

Country Link
CN (1) CN202571509U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103128380A (en) * 2013-03-21 2013-06-05 昆山华辰精密工具有限公司 Petroleum sleeve joint chaser blade
CN103128381A (en) * 2013-03-21 2013-06-05 昆山华辰精密工具有限公司 Slant ladder thread machining blade of petroleum pipeline
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
CN110711909A (en) * 2019-10-09 2020-01-21 北部湾大学 Method for removing burrs or burrs at starting section of workpiece thread by numerical control lathe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103128380A (en) * 2013-03-21 2013-06-05 昆山华辰精密工具有限公司 Petroleum sleeve joint chaser blade
CN103128381A (en) * 2013-03-21 2013-06-05 昆山华辰精密工具有限公司 Slant ladder thread machining blade of petroleum pipeline
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
CN110711909A (en) * 2019-10-09 2020-01-21 北部湾大学 Method for removing burrs or burrs at starting section of workpiece thread by numerical control lathe

Similar Documents

Publication Publication Date Title
CN202571509U (en) Thread cutter blade for machining petroleum pipes
CN201728411U (en) Efficient cutting milling cutter with spiral taper
CN202606958U (en) Two-blade milling cutter for high-speed cutting of aluminum
CN204262385U (en) A kind of lathe cutting off tool
CN202701986U (en) Cutter position adjusting device
CN203109353U (en) Stepped forming reamer with internal cooling function
CN204338907U (en) Arcs of recesses sword cutoff tool
CN101890529B (en) Step mill cutter
CN202344068U (en) Screw thread processing knife blade
CN204276934U (en) A kind of twolip turning insert
CN205020957U (en) Rose reamer
CN202317325U (en) Single-edge trapezoidal thread milling cutter
CN208178538U (en) A kind of dovetail dedicated tool for machining center
CN103406608B (en) The lathe tool of simultaneous manufacturing copper nut trapezoidal internal thread and using method thereof
CN203765095U (en) PCD reamer
CN201572925U (en) High-precision hole processing, drilling and boring knife tool
CN204171379U (en) A kind of tool
CN204338903U (en) Arcuate blade cutoff tool
CN103252540A (en) Thread machining tool
CN203245428U (en) Sharp milling cutter for bolt supporting surface
CN212217219U (en) Three-tooth number control milling cutter
CN210254435U (en) Multifunctional milling cutter
CN207272311U (en) A kind of inclined cutting hole saw
CN209867495U (en) End milling cutter
CN201768948U (en) Stepped milling cutter

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20150511