CN205734179U - Petroleum thread profile precision directly detects device at machine laser - Google Patents
Petroleum thread profile precision directly detects device at machine laser Download PDFInfo
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- CN205734179U CN205734179U CN201620591555.2U CN201620591555U CN205734179U CN 205734179 U CN205734179 U CN 205734179U CN 201620591555 U CN201620591555 U CN 201620591555U CN 205734179 U CN205734179 U CN 205734179U
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- containment vessel
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- thread
- petroleum
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Abstract
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.This utility model significantly improves the technical merit of petroleum thread detection, quality level, also has huge scientific research value, using value and social benefit simultaneously.
Description
Technical field
This utility model is used for thread quality detection field, relates to laser displacement sensor complete to turning on numerically controlled lathe
Directly detecting and feedback compensator at machine of the screw thread profile precision become, due to the size limitation of laser displacement sensor, this
Utility model 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
Utility model purpose: utility model provides a kind of petroleum thread profile precision directly to detect device and survey at machine laser
Metering method, its objective is to solve the most existing problem.
Technical scheme: utility model 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 include containment vessel,
Laser sensor, machinery mount and numerically-controlled slide；Lid is sealed in laser sensor is placed in containment vessel and by the sealing of containment vessel
Sealing, 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:
This utility model provides a kind of petroleum thread profile precision directly to detect device and measuring method, this reality at machine laser
With novel centered by computer, it is provided that a kind of petroleum thread profile precision machine laser directly detect and feedback compensator with
Method, should accurately obtain the whole parameter of screw thread and pass a judgement screw thread profile quality again, and to evaluation bastard thread
Feedback compensation turning a, it is achieved circulating device closed.Purpose is to efficiently control the turning accuracy of petroleum thread, preferably
Ensure threaded interchangeability and reliability.Due to laser sensor size limitation, can only realize to external screw thread and size relatively
The laser detection of big female thread profile precision.
Concrete advantage is as follows:
1. this utility model is by scanning screw thread axial profile, can directly obtain the axial data of screw thread.According to profile number
According to being possible not only to directly calculate the parameters of screw thread, it is also possible to be used for evaluating profile face crudy, than existing detection
Method is more comprehensive.
2. this utility model is a complete closed-loop device, it is achieved that detection calculates and compensates finishing overall process
Intellectuality, easy and simple to handle, certainty of measurement is high, and detection speed is fast, can realize the detecting at machine dynamic realtime and mend of screw thread population parameter
Repay
This utility model significantly improves the technical merit of petroleum thread detection, quality level, also has huge simultaneously
Scientific research value, using value and social benefit.
Accompanying drawing illustrates:
Fig. 1 is that profile of the present utility model directly detects structural representation at machine laser；
Fig. 2 is accuracy computation of the present utility model and Compensation Feedback device schematic diagram.
Detailed description of the invention:
As it is shown in figure 1, this utility model provides a kind of petroleum thread profile precision directly to detect device at machine laser,
The problem that this utility model runs into for current petroleum thread profile accuracy detection, application laser displacement sensor is real
The now noncontact to screw thread profile precision directly detects at machine, basic composition is: machinery, by being arranged on numerical control of machine tools cutter
Laser displacement sensor on frame, completes the scanning to petroleum thread axial tooth profile profile；Control device, in computer being
The heart, completes the process to detection data by numerical algorithm in a computer, 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, to control lathe upper slitter
The change of tool position.But owing to laser sensor size cannot be introduced into greatly detecting in less female thread, therefore this device energy
The laser of the profile precision realizing the external screw thread to tested screw thread 1 and the bigger female thread of size directly detects, and this device specifically wraps
Include 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 by protection
The sealing of shell 2 seals lid 7 sealing, and containment vessel 2 is arranged on machinery mount 4, and machinery mount 4 is arranged on of numerically-controlled slide 6
In cutter spacing.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, this utility model completes a petroleum thread profile precision and directly detects at machine laser and feed back benefit
The closed loop procedure repaid, 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 of having determined.
Claims (2)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591555.2U CN205734179U (en) | 2016-06-17 | 2016-06-17 | Petroleum thread profile precision directly detects device at machine laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591555.2U CN205734179U (en) | 2016-06-17 | 2016-06-17 | Petroleum thread profile precision directly detects device at machine laser |
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| Publication Number | Publication Date |
|---|---|
| CN205734179U true CN205734179U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620591555.2U Active CN205734179U (en) | 2016-06-17 | 2016-06-17 | Petroleum thread profile precision directly detects device at machine laser |
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| Country | Link |
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| CN (1) | CN205734179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965323A (en) * | 2016-06-17 | 2016-09-28 | 沈阳工业大学 | On-machine laser direct detection device for profile accuracy of oil thread and measurement method |
| CN107234488A (en) * | 2017-06-14 | 2017-10-10 | 沈阳机床（东莞）智能装备有限公司 | A kind of tool failure degree detection method based on Digit Control Machine Tool vision-based detection |
-
2016
- 2016-06-17 CN CN201620591555.2U patent/CN205734179U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965323A (en) * | 2016-06-17 | 2016-09-28 | 沈阳工业大学 | On-machine laser direct detection device for profile accuracy of oil thread and measurement method |
| CN107234488A (en) * | 2017-06-14 | 2017-10-10 | 沈阳机床（东莞）智能装备有限公司 | A kind of tool failure degree detection method based on Digit Control Machine Tool vision-based detection |
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| GR01 | Patent grant |