CN205734173U - Helical trajectory and the detection device of crudy on numerically controlled lathe - Google Patents
Helical trajectory and the detection device of crudy on numerically controlled lathe Download PDFInfo
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- CN205734173U CN205734173U CN201620307299.XU CN201620307299U CN205734173U CN 205734173 U CN205734173 U CN 205734173U CN 201620307299 U CN201620307299 U CN 201620307299U CN 205734173 U CN205734173 U CN 205734173U
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Abstract
Helical trajectory and the detection device of crudy on a kind of numerically controlled lathe, this device mainly includes lathe bed, headstock, tailstock, noncontacting proximity sensor and knife rest；This utility model aims at the full-automatic numerical control of oil drill rocker Repair gene.Numerical-control full-automatic thread helix track detection system, innovation uses contemporary hardware detection technique and the software signal identification of advanced person, the treatment technology of non-contact measurement instrument, old thread track phase place is detected, make cutter repair turning with thread groove, improve drilling rod remediation efficiency, solving cutter can not be with the fatal problem of groove reparation, the new page of starting oil drill rocker Repair gene.
Description
Technical field: this utility model patent is used for metal cutting process and quality testing field, for a kind of novel intelligent
Screw thread repair system, is mainly used in the automatic of original inside and outside old thread on whorl work piece and repairs truning fixture with groove and add
Working medium amount qualification determination device.
Background technology: be widely present in petroleum industry on the basis of the original helix of thread of thread part and carry out spiral shell again
Digital control processing that whim is cut and the heavy problem of thread part quality testing, due to its need to carry out on original thread groove with
Groove cutting, it is difficult to ensure that the zero signal of spindle of numerical control lathe occurs position consistent with original helix of thread starting point, with
Time screw thread that turning is completed, generally use and artificial use 6 jin of heavy thread gages to measure its compact distance to judge thread part
The most qualified.
As a example by oil drill rocker, China's oil industry high speed development, substantial amounts of oil drill rocker is applied in petroleum drilling and mining, and
The internal and external screw thread being just located against its two ends between drilling rod is end to end, and these screw threads transmission moment of torsion is big, and shock resistance is strong, seals
Requiring that height easily causes deformation, abrasion and local failure, therefore the key parameter to screw thread requires very strict, damages majority
For bad lighter screw thread, people always want to numerically controlled lathe can make the original screw thread of bit alignment as manual operations
After groove, it is possible to cut along its former helix reparation, the most not only improve working (machining) efficiency but also save tubing and cutter.People simultaneously
It is time saving and energy saving to wish still, quick and precisely completes automatically detecting at machine of thread part, can give for underproof workpiece
Go out cutter to mend, directly repair.But current domestic numerical control lathe does not possess above two function, its Repair gene process can only be
The screw thread that after first being fallen by original threaded portion car, turning makes new advances again, this processing method makes oil drill rocker produce pole in length
Big waste.In actual processing, turning fall the value of part tubing often than screw thread the processing charges of whole turning again also want
High.General oil drill rocker is about 10 meters, weighs 300 kilograms, has bigger deformation before reparation, installs centering difficulty when processing is repaired,
The length stretched out in spindle chuck is difficult to accurately control, and therefore can not the most axially position, traditional digital control processing
This problem can not be solved, on numerically controlled lathe during cutted thread, lathe spindle must be provided with photoelectric encoder, with photoelectricity
The part signal of encoder is as synchronizing signal, it is ensured that the most disorderly detain during processing screw thread.Therefore, screw thread is repaired with numerical control method processing
Time, in order to be able to cut by original thread groove, when screw thread is installed, photoelectric coding in the starting point of palpus guarantee helix of thread and main shaft
The zero signal of device is corresponding, it is achieved circumferencial direction positions, but this this kind of situation in reality is processed can not occur, because of
The Repair gene that this domestic each oil field tubulars substation uses manual lathe to carry out petroleum drilling rod screw-thread substantially；Operator needs manually to remove
Transport about 6 jin of heavy thread gages, and be tightened onto on the thread part machined and judge that crudy is the most qualified, this contact
The detection mode of formula, takes time and effort, and anthropic factor is high, measures inaccurate.In Numeric Control Technology wide variety of today, screw thread is with groove
Repair gene and quality testing become a corner forgotten by people.
Utility model content:
Utility model purpose: utility model provide helical trajectory and crudy on a kind of numerically controlled lathe detection device and
Moving method, its objective is to solve in the past during thread turning repaired by workpiece, due to the whorl work piece circumference positioned
In random law, numerically controlled lathe cannot realize the problem automatically cut with tank car, and it is numerous to machine thread quality detection method
The problem of weight.
Technical scheme: utility model is achieved through the following technical solutions:
Helical trajectory and the detection device of crudy on a kind of numerically controlled lathe, it is characterised in that: this device mainly includes
Lathe bed, headstock, tailstock, noncontacting proximity sensor and knife rest；Before headstock, knife rest and tailstock are separately positioned on lathe bed, in,
Rear three positions, are provided with spindle encoder on rear side of headstock, are horizontally installed with the master that can rotate in headstock
Axle, chuck and rear chuck before main shaft front and back end is separately installed with, lathe bed is provided with two groups of guide rails, one group of guide rail is for knife rest
Doing and workpiece axial direction moving horizontally in the same direction, another group guide rail does for tailstock and moves with workpiece axial direction level in the same direction
Dynamic, non-contact measuring instrument is arranged on knife rest, and knife rest can also do and the movement of workpiece axial direction vertical direction, and tailstock is installed
For distending or the clamping external screw thread of workpiece to be machined or female thread radially positioning sleeve.
Bracket many groups carrying roller is set in headstock front.
Tail platform carries out moving horizontally and by screw thread to be repaired for workpiece when being and use under the driving of hydraulic jack on lathe bed
The axially device of location.
By the structure of screw thread to be repaired for workpiece radially location when radially positioning sleeve is to use.
Sensor for profile data acquisition is noncontacting proximity sensor.
Spindle encoder and spindle drive are than for 1:1.
Numerical control screw thread repairs the moving method of the intrinsic helical trajectory of point of a knife on lathe, it is characterised in that: reparation will be needed
Workpiece drill rod thread passes through front chuck and rear chuck, penetrates in the main shaft of headstock, and hydraulic jack drives tailstock, by workpiece screw thread
Axially extended length fix, clamping before chuck, the power utilizing hydraulic cylinder to provide make the radial direction positioning sleeve distending on tailstock or
Clamping chuck after processed external screw thread or female thread, then clamping, now the radial and axial of screw thread has all positioned, but screw thread
Circumference, still in random manner, unclamps the radial direction positioning sleeve being arranged on tailstock, and after making tailstock return to original position, knife rest drives
Noncontacting proximity sensor is parallel to thread surface along workpiece thread taper and moves, and to obtain screw thread a certain shaft section data, measures
Sensor distance of one fixing high point from starting point to profile is a, if the most having measured and be stored in phase-detection dress
Certain high point of lathe spindle intrinsic cutting helical trajectory in putting is b to the distance of noncontacting proximity sensor starting point, the completeest
Becoming this screw thread to cut with groove reparation, the phase angle θ that main shaft needs adjust is:
Wherein: T is pitch；
N=0,1；
0≤α ＜ 360 °
Utilize existing spindle of numerical control lathe location to stop function, after making main shaft idle up to stop at θ angle, be clamped to car
On existing whorl work piece such as any drilling rod on bed spindle chuck, drill collar etc. the helix of old thread to be repaired all with on lathe spindle
Intrinsic cutting helical trajectory coincide, location work complete.
After screw thread Repair gene completes, noncontacting proximity sensor, is passed through to measuring position by the motor adjustment of knife rest
The feed motion of knife rest, completes the workpiece collection processing screw thread profile again, by intrasystem data processing software, complete
The On-machine Test of workpiece thread quality in pairs.
Advantageous effect:
This utility model provides detection device and the moving method of helical trajectory and crudy on a kind of numerically controlled lathe, this
Utility model, in order to solve above-mentioned two problems, carries out automatically cutting with groove in the case of workpiece circumferencial direction cannot complete location
Cut and realize machining the automatic detection of the pitch diameter of thread, use noncontacting proximity sensor to obtain screw thread profile, soft by programming
Part completes to calculate the helical trajectory of screw thread, completes the processing of cutter automatic seeking groove, and the screw thread machined is carried out quality judging.
This utility model aims at the full-automatic numerical control of oil drill rocker Repair gene.Numerical-control full-automatic thread helix rail
Mark detecting system, innovation uses contemporary hardware detection technique and the software signal identification of advanced person, the process of non-contact measurement instrument
Technology, detects old thread track phase place, makes cutter repair turning with thread groove, improves drilling rod remediation efficiency, solves cutter
Tool can not be with the fatal problem of groove reparation, the new page of starting oil drill rocker Repair gene；Use high precision non-contact measurement instrument,
Its precision is up to 0.002mm, by the analysis of non-cpntact measurement size can determine whether the crudy of thread part, improves drilling rod
Working (machining) efficiency, solves traditional thread gage (about 6 jin of weights) that manually uses and measures the personal error and heavy labor caused；Comprehensively should
With mechanical, electrical, liquid three technology, it is achieved oil pipe thread full-automatic numerical control Repair gene process, develop full-automatic numerical control
System.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention:
As it is shown in figure 1, this utility model provides helical trajectory and the detection device of crudy on a kind of numerically controlled lathe, it is somebody's turn to do
Device mainly includes lathe bed 9, headstock 3, tailstock 10, noncontacting proximity sensor 5 and knife rest 6；Headstock 3, knife rest 6 and tailstock 10
It is separately positioned on three positions before, during and after lathe bed 9, on rear side of headstock 3, is provided with spindle encoder, water in headstock 3
Safety is equipped with the main shaft that can rotate, and before main shaft front and back end is separately installed with, chuck 2 and rear chuck 4, set on lathe bed
Having put two groups of guide rails, one group of guide rail does and workpiece axial direction moving horizontally in the same direction for knife rest 6, and another group guide rail is for tailstock 10
Doing and workpiece axial direction moving horizontally in the same direction, non-contact measuring instrument 5 is arranged on knife rest 6, and knife rest 6 can also do and workpiece spindle
To the movement of direction vertical direction, on tailstock, installation is used for distending or the external screw thread of clamping workpiece to be machined or female thread is the most fixed
Position set 8.
Bracket many groups carrying roller 1 is set in headstock front.
Tail platform 10 carries out moving horizontally and by be repaired for workpiece 7 when being and use under the driving of hydraulic jack 11 on lathe bed 9
The device that two-start screw axially positions.
By the structure of screw thread to be repaired for workpiece 7 radially location when radially positioning sleeve 8 is to use.
Sensor 5 for profile data acquisition is noncontacting proximity sensor.The noncontacting proximity sensor 5 of data acquisition is pacified
It is contained on knife rest 6, and motion both horizontally and vertically can be done on lathe bed 9 by knife rest 6.
Spindle encoder and spindle drive are than for 1:1.
Utilize the numerical control screw thread reparation that the detection device of helical trajectory and crudy on above-mentioned numerically controlled lathe is implemented
The moving method of the intrinsic helical trajectory of point of a knife on lathe, it would be desirable to workpiece 7 drill rod thread of reparation passes through front chuck 2 and rear chuck
4, penetrate in the main shaft of headstock 3, hydraulic jack 11 drives tailstock 10, the axially extended length of workpiece 7 screw thread is fixed, clamping
Front chuck 2, the power utilizing hydraulic cylinder 11 to provide makes radial direction positioning sleeve 8 distending on tailstock 10 or clamps processed external screw thread
Or chuck 4 after female thread, then clamping, now the radial and axial of screw thread has all positioned, but screw thread circumference is still in random manner,
Unclamping the radial direction positioning sleeve 8 being arranged on tailstock 10, after making tailstock 10 return to original position, knife rest 6 drives contactless biography
Sensor 5 is parallel to thread surface along workpiece thread taper and moves, to obtain screw thread a certain shaft section data, measure sensor 5 from
Starting point is a to the distance of one fixing high point of profile, if the most having measured and being stored in the car in phase detection device
Certain high point of bed main shaft intrinsic cutting helical trajectory is b to the distance of noncontacting proximity sensor 5 starting point, then complete this spiral shell
Stricture of vagina cuts with groove reparation, and the phase angle θ that main shaft needs adjust is:
Wherein: T is pitch；
N=0,1；
0≤α ＜ 360 °
Utilize existing spindle of numerical control lathe location to stop function, after making main shaft idle up to stop at θ angle, be clamped to car
On existing whorl work piece 7 such as any drilling rod on bed spindle chuck, drill collar etc. the helix of old thread to be repaired all with lathe spindle
On intrinsic cutting helical trajectory coincide, location work complete.
After screw thread Repair gene completes, noncontacting proximity sensor 5, is led to measuring position by the motor adjustment of knife rest 6
Cross the feed motion of knife rest 6, again complete the workpiece 7 to processing screw thread profile and gather, process soft by intrasystem data
Part, completes the On-machine Test to workpiece 7 thread quality.
Claims (6)
1. helical trajectory and the detection device of crudy on a numerically controlled lathe, it is characterised in that: this device mainly includes bed
Body (9), headstock (3), tailstock (10), noncontacting proximity sensor (5) and knife rest (6)；Headstock (3), knife rest (6) and tailstock
(10) it is separately positioned on three positions before, during and after lathe bed (9), is provided with spindle encoder, at bed at headstock (3) rear side
It is horizontally installed with, in head case (3), the main shaft that can rotate, chuck (2) and rear chuck before main shaft front and back end is separately installed with
(4), being provided with two groups of guide rails on lathe bed, one group of guide rail does and workpiece axial direction moving horizontally, separately in the same direction for knife rest (6)
One group of guide rail does and workpiece axial direction moving horizontally in the same direction for tailstock (10), and noncontacting proximity sensor (5) is arranged on knife rest
(6) on, knife rest (6) can also do and the movement of workpiece axial direction vertical direction, tailstock is installed and is added for distending or clamping
The external screw thread of work workpiece or female thread radially positioning sleeve (8).
Helical trajectory and the detection device of crudy on numerically controlled lathe the most according to claim 1, it is characterised in that:
Headstock front arranges bracket many groups carrying roller (1).
Helical trajectory and the detection device of crudy on numerically controlled lathe the most according to claim 1, it is characterised in that: tail
Carry out moving horizontally and by be repaired for workpiece (7) under the driving of hydraulic jack (11) on lathe bed (9) when seat (10) is for using
The device that screw thread axially positions.
Helical trajectory and the detection device of crudy on numerically controlled lathe the most according to claim 1, it is characterised in that: footpath
To positioning sleeve (8) be to use time by the structure of workpiece (7) screw thread to be repaired radially location.
Helical trajectory and the detection device of crudy on numerically controlled lathe the most according to claim 1, it is characterised in that: non-
Touch sensor (5) is the sensor for profile data acquisition.
Helical trajectory and the detection device of crudy on numerically controlled lathe the most according to claim 1, it is characterised in that: main
Shaft encoder and spindle drive are than for 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307299.XU CN205734173U (en) | 2016-04-13 | 2016-04-13 | Helical trajectory and the detection device of crudy on numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307299.XU CN205734173U (en) | 2016-04-13 | 2016-04-13 | Helical trajectory and the detection device of crudy on numerically controlled lathe |
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| Publication Number | Publication Date |
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| CN205734173U true CN205734173U (en) | 2016-11-30 |
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| CN201620307299.XU Active CN205734173U (en) | 2016-04-13 | 2016-04-13 | Helical trajectory and the detection device of crudy on numerically controlled lathe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489852A (en) * | 2017-08-14 | 2017-12-19 | 湖南大麓科技有限公司 | Spiral winding non-excavation rehabilitation axially compiles pipe device |
| CN109799783A (en) * | 2019-01-17 | 2019-05-24 | 璧靛ぉ | Method, control device and the numerically-controlled machine tool of Repairing of Numerically Controlled Machine Tool screw-thread pipe body |
| CN115464429A (en) * | 2022-09-13 | 2022-12-13 | 魏明礼 | Clamping equipment for automatic clamping numerical control lathe |
| CN117400043A (en) * | 2023-12-11 | 2024-01-16 | 珠海聚能精密工业有限公司 | Error self-checking type machining device for precision part production |
-
2016
- 2016-04-13 CN CN201620307299.XU patent/CN205734173U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489852A (en) * | 2017-08-14 | 2017-12-19 | 湖南大麓科技有限公司 | Spiral winding non-excavation rehabilitation axially compiles pipe device |
| CN107489852B (en) * | 2017-08-14 | 2023-12-01 | 湖南大麓科技有限公司 | Spiral winding non-excavation repairing axial braided tube device |
| CN109799783A (en) * | 2019-01-17 | 2019-05-24 | 璧靛ぉ | Method, control device and the numerically-controlled machine tool of Repairing of Numerically Controlled Machine Tool screw-thread pipe body |
| CN115464429A (en) * | 2022-09-13 | 2022-12-13 | 魏明礼 | Clamping equipment for automatic clamping numerical control lathe |
| CN115464429B (en) * | 2022-09-13 | 2024-03-12 | 广州泛基亚影视科技有限公司 | Clamping equipment for automatic clamping numerical control lathe |
| CN117400043A (en) * | 2023-12-11 | 2024-01-16 | 珠海聚能精密工业有限公司 | Error self-checking type machining device for precision part production |
| CN117400043B (en) * | 2023-12-11 | 2024-04-09 | 珠海聚能精密工业有限公司 | Error self-checking type machining device for precision part production |
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