CN105965323A - On-machine laser direct detection device for profile accuracy of oil thread and measurement method - Google Patents
On-machine laser direct detection device for profile accuracy of oil thread and measurement method Download PDFInfo
- Publication number
- CN105965323A CN105965323A CN201610431510.3A CN201610431510A CN105965323A CN 105965323 A CN105965323 A CN 105965323A CN 201610431510 A CN201610431510 A CN 201610431510A CN 105965323 A CN105965323 A CN 105965323A
- Authority
- CN
- China
- Prior art keywords
- thread
- machine
- screw thread
- laser
- computer
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2452—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces
- B23Q17/2471—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces of workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G3/00—Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working spindle
- B23G3/02—Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working spindle for withdrawing or resetting the threading tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2210/00—Details of threads produced
- B23G2210/04—Internal threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2240/00—Details of equipment for threading other than threading tools, details of the threading process
- B23G2240/52—Sensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses an on-machine laser direct detection device for profile accuracy of an oil thread. The device comprises a protective shell, a laser sensor, a mechanical bracket and a numerical control tool rack, wherein the laser sensor is arranged in the protective shell and is sealed by a sealing cover of the protective shell (2); the protective shell is arranged on the mechanical bracket; the mechanical bracket is arranged on a tool position of the numerical control tool rack. According to the direct detection device, the technical level and the quality level of oil thread detection are obviously increased, and the direct detection device has significant scientific research value, application value and social benefits.
Description
Technical field
The present invention is used for thread quality detection field, relates to laser displacement sensor and completes turning on numerically controlled lathe
Directly detecting and feedback compensator at machine of screw thread profile precision, due to the size limitation of laser displacement sensor, the present invention
Patent can realize the profile measure of precision to external screw thread and bigger female thread.
Background technology
Petroleum thread is mainly used in the connection in petroleum gas drilling industry between drilling rod, drill collar, and effect is by drilling well
Required huge moment of torsion is delivered to shaft bottom drill bit from well head, and owing to it bears moment of torsion greatly, seal request is high and tapered, the most right
The profile accuracy detection of petroleum thread is extremely important.The detection of petroleum thread part profile precision at present with contact type measurement is
Main, it is divided three classes: a class is the compact distance that the method using and screwing thread gage measures screw thread, and this is that current each oil field tubulars substation is sentenced
The unique method that disconnected processing thread part is the most qualified, this detection method can realize on-machine measurement and off line measures two kinds of detections
Mode, but it can only detect the comprehensive parameters of screw thread, it is impossible to complete profile precision at the bottom of screw thread profile parameter and crest, tooth
Detection, measure labor intensity big, and result be easily affected by human factors；Another kind of method is to use instrumentation, this inspection
Survey method can measure all thread parameters in addition to thread form angle and central diameter, but can be only applied in laboratory, to oil spiral shell
Stricture of vagina carries out off line detection, it is impossible to realize the on-machine measurement of petroleum thread, and inner thread parameter is measured the most comprehensive；3rd class method is
Utilize three coordinate measuring machine, this metering system cannot realize On-machine Test, and the horizontal stroke brought more greatly due to contact gauge head radius
Cannot solve to resolution problem.
Summary of the invention
Goal of the invention: invention provides a kind of petroleum thread profile precision directly to detect device and measuring method at machine laser,
Its objective is to solve the most existing problem.
Technical scheme: invention is achieved through the following technical solutions:
A kind of petroleum thread profile precision directly detects device at machine laser, it is characterised in that: this device includes containment vessel, laser
Sensor, machinery mount and numerically-controlled slide；In laser sensor is placed in containment vessel and by the sealing seal cap sealing of containment vessel,
Containment vessel is arranged on machinery mount, and machinery mount is arranged in a cutter spacing of numerically-controlled slide.
Being provided with screw thread profile on numerically-controlled slide and directly detect device at machine laser, this knife rest is placed in the slide plate of lathe
On, the motion of knife rest achieve the axially and radially feed motion of detection device, directly detect and feedback compensation at machine laser
Device also includes computer and digital control system；Computer connects laser sensor and digital control system, laser sensor and numerical control system
System connecting machine tool.
Above-mentioned petroleum thread profile precision is applied to complete machined what machine laser directly detected that device implemented
Screw thread profile is at machine non-contact measurement method, it is characterised in that: the method is wide along tested screw thread by laser displacement sensor
Shape axial scan realizes, specific as follows: to be arranged on by machinery mount in a cutter spacing of numerically-controlled slide (6), sharp installing
It is arranged on machinery mount after the containment vessel seal cap sealing of optical sensor, after thread turning machines, utilizes numerical control
Laser sensor place cutter spacing is rotated to measuring cutter spacing by knife rest, when performing screw thread profile accuracy detection program, utilizes computer
Send instruction, make knife rest drive laser sensor that taper thread axle sectional shape is scanned.
With computer for detecting system control and analysis center, computer receives screw thread axle sectional shape data, and enters it
The numerical algorithm such as row noise reduction, matching and parameter calculating processes, computer according to result of calculation extract the pitch of screw thread profile, in
All thread parameters such as footpath, thread form angle, tooth height, tapering, then compare with the canonical parameter arranged in a computer, it is determined that screw thread
Crudy, is fed back to digital control system by computer by required compensation dosage for bastard thread, controls lathe and fixes a cutting tool
The change of position, to carry out repairing turning, circulates above-mentioned detection feedback compensation process, until the thread part of detection is qualified is
Only, it is finally completed directly the detecting at machine laser and compensate of petroleum thread.
Complete a petroleum thread profile precision directly to detect and the closed loop procedure of feedback compensation at machine laser, it is achieved that
External screw thread and size bigger female thread profile precision On-machine Test and the function of feedback compensation, solve petroleum thread profile precision
The bottleneck problem of detection.
Advantageous effect:
The present invention provides a kind of petroleum thread profile precision directly to detect device and measuring method at machine laser, and the present invention is to calculate
Centered by machine, it is provided that a kind of petroleum thread profile precision directly detects and feedback compensator and method, Ji Yaozhun at machine laser
Really obtain the whole parameter of screw thread again screw thread profile quality to be passed a judgement, and to evaluation bastard thread feedback compensation car
Cut, it is achieved a circulating device closed.Purpose is to efficiently control the turning accuracy of petroleum thread, better ensures that screw thread is even
The interchangeability connect and reliability.Due to laser sensor size limitation, female thread bigger to external screw thread and size can only be realized wide
The laser detection of shape precision.
Concrete advantage is as follows:
1. the present invention is by scanning screw thread axial profile, can directly obtain the axial data of screw thread.Not only may be used according to profile data
Directly to calculate the parameters of screw thread, it is also possible to be used for evaluating profile face crudy, than existing detection method more
Comprehensively.
2. the present invention is a complete closed-loop device, it is achieved that detection calculates the intelligence compensating finishing overall process
Changing, easy and simple to handle, certainty of measurement is high, and detection speed is fast, can realize the detecting at machine dynamic realtime and compensate of screw thread population parameter
Invention significantly improves the technical merit of petroleum thread detection, quality level, also have simultaneously huge scientific research value,
Using value and social benefit.
Accompanying drawing illustrates:
Fig. 1 is that the profile of the present invention directly detects structural representation at machine laser；
Fig. 2 is accuracy computation and the Compensation Feedback device schematic diagram of the present invention.
Detailed description of the invention:
As it is shown in figure 1, the present invention provides a kind of petroleum thread profile precision directly to detect device at machine laser,
The present invention is directed to the problem that current petroleum thread profile accuracy detection runs into, application laser displacement sensor realizes screw thread
The noncontact of profile precision directly detects at machine, basic composition is: machinery, by swashing of being arranged on numerical control of machine tools knife rest
Optical displacement sensor, completes the scanning to petroleum thread axial tooth profile profile；Control device, centered by computer, calculating
Machine completes the process to detection data by numerical algorithm, and calculates all parameters of screw thread, it is judged that axle sectional shape precision, it determines
Machining deviation, feeds back to digital control system for defective workpiece computer by compensation result, fixes a cutting tool position controlling lathe
Change.But owing to laser sensor size cannot be introduced into greatly detecting in less female thread, therefore this device can realize quilt
The laser surveying the external screw thread of screw thread 1 and the profile precision of the bigger female thread of size directly detects, and this device specifically includes containment vessel
2, laser sensor 3, machinery mount 4 and numerically-controlled slide 6；In laser sensor 3 is placed in containment vessel 2 and pass through the close of containment vessel 2
Being sealed capping 7 sealing, containment vessel 2 is arranged on machinery mount 4, and machinery mount 4 is arranged in a cutter spacing of numerically-controlled slide 6.
Machinery mount 4 is arranged in a cutter spacing of numerically-controlled slide 6 by screw 5.
It is provided with screw thread profile directly to detect the numerically-controlled slide 6 of device at machine laser and be placed on the slide plate of lathe 10 and can be real
Now detect the axially and radially feeding of device, be respectively arranged with computer 8 and digital control system 9 in the both sides of lathe 10.
Above-mentioned petroleum thread profile precision is applied to complete machined what machine laser directly detected that device implemented
Screw thread profile is at machine non-contact measurement method, and the method is along tested screw thread 1 profile axial scan by laser displacement sensor 3
Realizing, the method is centered by computer, by application laser sensor detecting the most in real time at machine screw thread profile, profit
Carry out numerical analysis with the algorithm in computer to detecting data, and calculate whole thread parameter, judge thread quality, for not
Qualified screw thread provides compensation dosage, and whole results feed back to the digital control system tool position with control lathe, circulates above-mentioned
Process, until the thread part of detection is qualified.
Specific as follows: machinery mount 4 to be arranged in a cutter spacing of numerically-controlled slide 6, installing laser sensor 3
Containment vessel 2 is arranged on machinery mount 4 after sealing lid 7 sealing, seals the high temperature iron during lid mainly prevents cutted thread
High-precision sensor is caused damage by bits and cutting fluid etc..After screw thread 1 turnery processing completes, utilize numerically-controlled slide 6 by laser
Sensor 3 place cutter spacing rotates to the cutter spacing that works, and when performing screw thread profile accuracy detection program, utilizes computer 8 to send instruction,
Knife rest 6 is made to drive laser sensor 3 that taper thread 1 axle sectional shape is scanned.
With computer 8 for detecting system center, the computer 8 screw thread 1 axle sectional shape Noise reducing of data to receiving, the number such as matching
Value-based algorithm processes, and computer 8 is according to the screw thread 1 profile calculation pitch after processing, central diameter, thread form angle, tooth high all screw threads ginseng
Several, with the crudy that the standard comparing being arranged in computer 8 judges screw thread 1, bastard thread is incited somebody to action by computer 8
Required compensation dosage feeds back to digital control system 9, controls lathe 10 and fixes a cutting tool the change of position, to carry out repairing turning, in circulation
State detection feedback compensation process, until the thread part 1 of detection is qualified, be finally completed the direct at machine laser of petroleum thread
Detection and compensation.
In sum, the present invention completes petroleum thread profile precision and directly detects and feedback compensation at machine laser
Closed loop procedure, it is achieved that external screw thread and size bigger female thread profile precision On-machine Test and the function of feedback compensation, solves
The bottleneck problem of petroleum thread profile accuracy detection.
Claims (5)
1. a petroleum thread profile precision directly detects device at machine laser, it is characterised in that: this device includes containment vessel
(2), laser sensor (3), machinery mount (4) and numerically-controlled slide (6)；Laser sensor (3) is placed in containment vessel (2) and passes through
The sealing of containment vessel (2) seals lid (7) and seals, and containment vessel (2) is arranged on machinery mount (4), and machinery mount (4) is arranged on number
In one cutter spacing of control knife rest (6).
Petroleum thread profile precision the most according to claim 1 directly detects device at machine laser, it is characterised in that: counting
Being provided with screw thread profile in control knife rest (6) and directly detect device at machine laser, this knife rest is placed on the slide plate of lathe (10), by cutter
The motion of frame achieves the axially and radially feed motion of detection device, directly detects and feedback compensator also wraps at machine laser
Include computer (8) and digital control system (9)；Computer (8) connects laser sensor (3) and digital control system (9), laser sensor
And digital control system (9) connecting machine tool (10) (3).
3. application petroleum thread profile precision described in claim 1 machine laser directly detect that device implemented to machined
The screw thread profile completed is at machine non-contact measurement method, it is characterised in that: the method is along quilt by laser displacement sensor (3)
Survey what screw thread (1) profile axial scan realized, specific as follows: machinery mount (4) is arranged on a cutter spacing of numerically-controlled slide (6)
On, the containment vessel (2) installing laser sensor (3) is arranged on machinery mount (4) after sealing lid (7) sealing, treats spiral shell
After stricture of vagina (1) turnery processing completes, utilize numerically-controlled slide (6) to rotate laser sensor (3) place cutter spacing to measuring cutter spacing, perform
During screw thread profile accuracy detection program, utilize computer (8) to send instruction, make knife rest (6) drive laser sensor (3) to cone spiral shell
Stricture of vagina (1) axle sectional shape is scanned.
Measuring method the most according to claim 3, it is characterised in that: with computer (8) be detecting system control with analyze
Center, computer (8) receives screw thread (1) axle sectional shape data, and it carries out the numerical value calculations such as noise reduction, matching and parameter calculating
Method processes, and it is all that computer (8) extracts the pitch of screw thread (1) profile, central diameter, thread form angle, tooth height, tapering etc. according to result of calculation
Thread parameter, then compare with the canonical parameter being arranged in computer (8), it is determined that the crudy of screw thread (1), for defective
Screw thread by computer (8), required compensation dosage fed back to digital control system (9), control lathe (10) and fix a cutting tool the changing of position
Become, to carry out repairing turning, circulate above-mentioned detection feedback compensation process, until the thread part (1) of detection is qualified, finally
Complete directly the detecting at machine laser and compensate of petroleum thread.
Measuring method the most according to claim 3, it is characterised in that: complete a petroleum thread profile precision and swash at machine
Light directly detects and the closed loop procedure of feedback compensation, it is achieved that external screw thread and size bigger female thread profile precision On-machine Test and
The function of feedback compensation, solves the bottleneck problem of petroleum thread profile accuracy detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431510.3A CN105965323A (en) | 2016-06-17 | 2016-06-17 | On-machine laser direct detection device for profile accuracy of oil thread and measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431510.3A CN105965323A (en) | 2016-06-17 | 2016-06-17 | On-machine laser direct detection device for profile accuracy of oil thread and measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105965323A true CN105965323A (en) | 2016-09-28 |
Family
ID=57021168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610431510.3A Pending CN105965323A (en) | 2016-06-17 | 2016-06-17 | On-machine laser direct detection device for profile accuracy of oil thread and measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105965323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514129A (en) * | 2019-09-27 | 2019-11-29 | 郑州大学 | A kind of bolt pitch measurement device and measurement method based on laser displacement sensor |
| CN112815857A (en) * | 2021-03-09 | 2021-05-18 | 中石化胜利石油工程有限公司管具技术服务中心 | Drill rod thread detection device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382215A (en) * | 1981-07-16 | 1983-05-03 | General Electric Company | System and method of precision machining |
| CN85105480A (en) * | 1985-07-17 | 1987-01-14 | 通用电气公司 | Machine tool monitor gaging technigue |
| CN101439410A (en) * | 2007-11-22 | 2009-05-27 | 村田机械株式会社 | Machine tool, sensor module, and measuring method |
| CN201493650U (en) * | 2009-06-01 | 2010-06-02 | 广州市敏嘉制造技术有限公司 | On-line detection center for external thread processing |
| CN205734179U (en) * | 2016-06-17 | 2016-11-30 | 沈阳工业大学 | Petroleum thread profile precision directly detects device at machine laser |
-
2016
- 2016-06-17 CN CN201610431510.3A patent/CN105965323A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382215A (en) * | 1981-07-16 | 1983-05-03 | General Electric Company | System and method of precision machining |
| CN85105480A (en) * | 1985-07-17 | 1987-01-14 | 通用电气公司 | Machine tool monitor gaging technigue |
| CN101439410A (en) * | 2007-11-22 | 2009-05-27 | 村田机械株式会社 | Machine tool, sensor module, and measuring method |
| CN201493650U (en) * | 2009-06-01 | 2010-06-02 | 广州市敏嘉制造技术有限公司 | On-line detection center for external thread processing |
| CN205734179U (en) * | 2016-06-17 | 2016-11-30 | 沈阳工业大学 | Petroleum thread profile precision directly detects device at machine laser |
Non-Patent Citations (2)
| Title |
|---|
| 张君: "基于激光技术的锥管螺纹参数测量***研究", 《万方数据企业知识服务平台》 * |
| 陈丁跃: "《现代汽车设计制造工艺》", 28 February 2015 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514129A (en) * | 2019-09-27 | 2019-11-29 | 郑州大学 | A kind of bolt pitch measurement device and measurement method based on laser displacement sensor |
| CN112815857A (en) * | 2021-03-09 | 2021-05-18 | 中石化胜利石油工程有限公司管具技术服务中心 | Drill rod thread detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | On-line tool wear measurement for ball-end milling cutter based on machine vision | |
| CN102735177B (en) | A kind of bearing inner race Multi-parameter visual measuring system of mensuration based on the comparison | |
| US7266420B2 (en) | Automatic detection system for broken tools in CNC machining centers using advanced machine vision techniques | |
| CN204620472U (en) | A kind of precision bearing checkout gear | |
| CN201221938Y (en) | Non-contact intelligent off-line testing instrument of large-scale cylinder workpiece | |
| CN101797701A (en) | On-line non-contact laser stereo scanning detection device for internal screw threads of tubing coupling | |
| CN201166539Y (en) | Bore measuring apparatus | |
| CN101226046A (en) | Endoporus measuring device | |
| CN103822593B (en) | Device and method for measuring deviation from cylindrical form of inner hole of large-size pipe fitting | |
| CN109648398A (en) | A kind of part size on-line measuring device and its detection method | |
| CN112207627B (en) | Automatic compensation device and compensation method for tool wear of numerical control machining center | |
| CN205734179U (en) | Petroleum thread profile precision directly detects device at machine laser | |
| CN105965323A (en) | On-machine laser direct detection device for profile accuracy of oil thread and measurement method | |
| CN105928479A (en) | Online measuring device of outer diameter of cylindrical member in spinning process | |
| CN202002618U (en) | Multi-parameter visual measuring equipment for bearing inner ring based on comparison measuring method | |
| CN110145999A (en) | A kind of method of the taper of circular conical surface on inspection center axis | |
| CN206160911U (en) | Measurement device for be used for part centre bore degree of depth | |
| CN101745844B (en) | Oil tubing coupling internal thread cutting machine on-line detection device with force feedback | |
| CN105965324A (en) | On-machine laser reflection detection and feedback compensation device and method for profile of oil thread | |
| CN105666250A (en) | Detection method for turning precision consistency | |
| CN205734178U (en) | Petroleum thread profile is at machine laser-bounce detection and feedback compensator | |
| CN117704935A (en) | Method for checking opposite precision of opposite numerical control floor type milling and boring machine | |
| CN201645260U (en) | Online non-contact laser three-dimensional scanning and detecting device for oil pipe collar internal threads | |
| CN107234304B (en) | Accuracy of gear real-time visual device and method based on gear grinding machines on-machine measurement | |
| CN206291832U (en) | A kind of tapped blind hole depth fast detecting tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Xingwei Inventor after: Wang Ke Inventor after: Dong Zhixu Inventor before: Wang Ke Inventor before: Sun Xingwei Inventor before: Dong Zhixu |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |