CN107514974A - A kind of method and system of lathe detection workpiece - Google Patents
A kind of method and system of lathe detection workpiece Download PDFInfo
- Publication number
- CN107514974A CN107514974A CN201710801404.4A CN201710801404A CN107514974A CN 107514974 A CN107514974 A CN 107514974A CN 201710801404 A CN201710801404 A CN 201710801404A CN 107514974 A CN107514974 A CN 107514974A
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- China
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- workpiece
- error
- lathe
- moving image
- gabor filter
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- 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
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
-
- 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
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of method and system of lathe detection workpiece, detecting instrument, camera, Gabor filter are mounted with lathe, this method includes：The detecting instrument detects machine error caused by the machine tool motion of the lathe；The moving image of the camera intake workpiece；The Gabor filter determines workpiece size specification according to the moving image and the machine error；Center processor is contrasted the workpiece size specification with preset standard size, and the quality of the workpiece is determined according to comparing result.A kind of system is further related to, the system includes：Center processor, lathe and the detecting instrument being placed on the lathe, camera, Gabor filter.Pass through the method for the present invention, by means of the invention it is also possible to so that effectively handled the position data that is recorded in lathe detection workpiece, the error probability of the position data processing to being recorded is reduced, the time used is shortened, improves the quality of workpiece.
Description
Technical field
The invention belongs to digit ctrol machine tool field, more particularly to a kind of method and system of lathe detection workpiece.
Background technology
Lathe detection workpiece of the prior art is detected using mobile detection, and it is traveling probe so as to connect
Touch artifact and generally sent out using contact starting signal, the signal via the input for the machine tool controller for being known as wire jumper
Send, the skip signal is simple switching signal, and the switching signal can be made to interrupt NC and be recorded at the time of skip signal occurs
Machine tool position, thus, it is possible to obtain the data of probe location can be indicated.Although the system is enough to realize most of purposes,
It is that it still relies on probe system that height repeats and set out and machine velocity control, and NC often can not be to the position that is recorded
Data are effectively handled, and the error probability of the processing of the position data to being recorded is higher, and it is long to expend the time.
The content of the invention
The technical problems to be solved by the invention are：Often can not be to the position that is recorded in existing lathe detection workpiece
Data are effectively handled, and the error probability of the processing of the position data to being recorded is higher, and it is long to expend the time.
To solve technical problem above, the invention provides a kind of method of lathe detection workpiece, this method includes：
Detecting instrument, camera, Gabor filter are mounted with lathe, this method includes：
S1, the detecting instrument detect machine error caused by the machine tool motion of the lathe；
S2, the moving image of the camera intake workpiece；
S3, the Gabor filter determine workpiece size specification according to the moving image and the machine error；
S4, center processor is contrasted the workpiece size specification with preset standard size, true according to comparing result
The quality of the fixed workpiece.
Beneficial effects of the present invention：By means of the invention it is also possible to so that lathe detects the position to being recorded in workpiece
Put data effectively to be handled, reduce the error probability handled the position data recorded, shorten the time used,
Improve the quality of workpiece.
Further, the machine error includes：Linearity error, level side caused by lathe any one axle linear motion
Into straightness error, vertical direction straightness error, horizontal plane deviation pivot angle error, pitching angle error in vertical plane, around survey
Measure the error of perpendicularity between the rolling pendulum angle error of axle rotation and each two axle.
Further, the moving image includes：Fate map picture, mend knife image, withdrawing image.
Further, the S3 includes：
S31, the Gabor filter determine the motion using the vertical line of different directions Gabor filter value correspondence directions
The normal direction of light center line in image, and determine the Asia at light center as rope level position according to the normal direction；
S32, by the Asia as rope level position and the machine error, determine the workpiece size specification.
The invention further relates to a kind of system of lathe detection workpiece, the system includes：Center processor, lathe, Yi Jian
Put detecting instrument on the lathe, camera, Gabor filter；
The detecting instrument, for detecting machine error caused by the machine tool motion of the lathe；
The camera, for absorbing the moving image of workpiece；
The Gabor filter, for according to the moving image and the machine error, determining workpiece size specification；
The center processor, for the workpiece size specification to be contrasted with preset standard size, according to contrast
As a result the quality of the workpiece is determined.
Beneficial effects of the present invention：By the system of the present invention, the position to being recorded in lathe detection workpiece can be caused
Put data effectively to be handled, reduce the error probability handled the position data recorded, shorten the time used,
Improve the quality of workpiece.
Further, the machine error includes：Linearity error, level side caused by lathe any one axle linear motion
Into straightness error, vertical direction straightness error, horizontal plane deviation pivot angle error, pitching angle error in vertical plane, around survey
Measure the error of perpendicularity between the rolling pendulum angle error of axle rotation and each two axle.
Further, the moving image includes：Fate map picture, mend knife image, withdrawing image.
Further, the Gabor filter, specifically for hanging down using different directions Gabor filter value correspondence directions
Line determines the normal direction of light center line in the moving image, and determines the Asia at light center as rope according to the normal direction
Level position；And the workpiece size specification is determined as rope level position and the machine error by the Asia.
Brief description of the drawings
Fig. 1 is the flow chart that a kind of lathe of the present invention detects the method for workpiece；
Fig. 2 is the schematic diagram that a kind of lathe of the present invention detects the system of workpiece.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, providing a kind of method of lathe detection workpiece in the embodiment of the present invention, this method includes：In lathe
On be mounted with detecting instrument, camera, Gabor filter, this method includes：
S1, the detecting instrument detect machine error caused by the machine tool motion of the lathe；
S2, the moving image of the camera intake workpiece；
S3, the Gabor filter determine workpiece size specification according to the moving image and the machine error；
S4, center processor is contrasted the workpiece size specification with preset standard size, true according to comparing result
The quality of the fixed workpiece.
It should be noted that it is that detecting instrument, camera and Gabor filtering are first disposed on lathe in the present embodiment
Device, the detecting instrument detect machine error caused by the machine tool motion of the lathe, then camera reuptake workpiece
Moving image, the Gabor filter determine workpiece size specification, then at center according to the moving image and the machine error
Reason device is contrasted the workpiece size specification with preset standard size, and the quality of the workpiece is determined according to comparing result.
Alternatively, the machine error includes in another embodiment：Line caused by lathe any one axle linear motion
Property error, horizontal direction straightness error, vertical direction straightness error, deviation pivot angle error in horizontal plane, bowed in vertical plane
The error of perpendicularity between elevation angle error, the rolling pendulum angle error around measurement axle rotation and each two axle.
Alternatively, the moving image includes in another embodiment：Fate map picture, mend knife image, withdrawing image.
Alternatively, the S3 includes in another embodiment：
S31, the Gabor filter determine the motion using the vertical line of different directions Gabor filter value correspondence directions
The normal direction of light center line in image, and determine the Asia at light center as rope level position according to the normal direction；
S32, by the Asia as rope level position and the machine error, determine the workpiece size specification.
By the method for the present embodiment, can to carry out the position data that is recorded in lathe detection workpiece effective
Processing, the error probability handled the position data recorded is reduced, the time used is shortened, improves the matter of workpiece
Amount.
As shown in Fig. 2 the embodiment of the present invention further relates to a kind of system of lathe detection workpiece, the system includes：At center
Manage device, lathe and the detecting instrument being placed on the lathe, camera, Gabor filter；
The detecting instrument, for detecting machine error caused by the machine tool motion of the lathe；
The camera, for absorbing the moving image of workpiece；
The Gabor filter, for according to the moving image and the machine error, determining workpiece size specification；
The center processor, for the workpiece size specification to be contrasted with preset standard size, according to contrast
As a result the quality of the workpiece is determined.
It should be noted that it is that detecting instrument, camera and Gabor filtering are first disposed on lathe in the present embodiment
Device, the detecting instrument detect machine error caused by the machine tool motion of the lathe, then camera reuptake workpiece
Moving image, the Gabor filter determine workpiece size specification, then at center according to the moving image and the machine error
Reason device is contrasted the workpiece size specification with preset standard size, and the quality of the workpiece is determined according to comparing result.
Alternatively, the machine error includes in another embodiment：Line caused by lathe any one axle linear motion
Property error, horizontal direction straightness error, vertical direction straightness error, deviation pivot angle error in horizontal plane, bowed in vertical plane
The error of perpendicularity between elevation angle error, the rolling pendulum angle error around measurement axle rotation and each two axle.
Alternatively, the moving image includes in another embodiment：Fate map picture, mend knife image, withdrawing image.
Alternatively, the Gabor filter in another embodiment, specifically for utilizing different directions Gabor filter values
The vertical line of correspondence direction determines the normal direction of light center line in the moving image, and determines light according to the normal direction
The Asia at center is as rope level position；And the workpiece size specification is determined as rope level position and the machine error by the Asia.
By the system of the present embodiment, can to carry out the position data that is recorded in lathe detection workpiece effective
Processing, the error probability handled the position data recorded is reduced, the time used is shortened, improves the matter of workpiece
Amount.
In this manual, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable
Mode combines.In addition, in the case of not conflicting, those skilled in the art can be by the difference described in this specification
Embodiment or example and the feature of different embodiments or example are combined and combined.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
- A kind of 1. method of lathe detection workpiece, it is characterised in that detecting instrument, camera, Gabor filters are mounted with lathe Ripple device, this method include：S1, the detecting instrument detect machine error caused by the machine tool motion of the lathe；S2, the moving image of the camera intake workpiece；S3, the Gabor filter determine workpiece size specification according to the moving image and the machine error；S4, center processor are contrasted the workpiece size specification with preset standard size, and institute is determined according to comparing result State the quality of workpiece.
- 2. according to the method for claim 1, it is characterised in that the machine error includes：Any one axle straight line of lathe Linearity error caused by motion, horizontal direction straightness error, vertical direction straightness error, deviation pivot angle misses in horizontal plane The error of perpendicularity in difference, vertical plane between pitching angle error, the rolling pendulum angle error around measurement axle rotation and each two axle.
- 3. method according to claim 1 or 2, it is characterised in that the moving image includes：Fate map picture, mend knife figure Picture, withdrawing image.
- 4. method according to claim 1 or 2, it is characterised in that the S3 includes：S31, the Gabor filter determine the moving image using the vertical line of different directions Gabor filter value correspondence directions The normal direction of middle light center line, and determine the Asia at light center as rope level position according to the normal direction；S32, by the Asia as rope level position and the machine error, determine the workpiece size specification.
- 5. a kind of system of lathe detection workpiece, it is characterised in that the system includes：Center processor, lathe and it is placed in Detecting instrument, camera on the lathe, Gabor filter；The detecting instrument, for detecting machine error caused by the machine tool motion of the lathe；The camera, for absorbing the moving image of workpiece；The Gabor filter, for according to the moving image and the machine error, determining workpiece size specification；The center processor, for the workpiece size specification to be contrasted with preset standard size, according to comparing result Determine the quality of the workpiece.
- 6. system according to claim 5, it is characterised in that the machine error includes：Any one axle straight line of lathe Linearity error caused by motion, horizontal direction straightness error, vertical direction straightness error, deviation pivot angle misses in horizontal plane The error of perpendicularity in difference, vertical plane between pitching angle error, the rolling pendulum angle error around measurement axle rotation and each two axle.
- 7. the system according to claim 5 or 6, it is characterised in that the moving image includes：Fate map picture, mend knife figure Picture, withdrawing image.
- 8. the system according to claim 5 or 6, it is characterised in that the Gabor filter, specifically for utilizing difference The vertical line of direction Gabor filter value correspondence directions determines the normal direction of light center line in the moving image, and according to described Normal direction determines the Asia at light center as rope level position；And by the Asia as rope level position and the machine error, it is determined that The workpiece size specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801404.4A CN107514974A (en) | 2017-09-07 | 2017-09-07 | A kind of method and system of lathe detection workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801404.4A CN107514974A (en) | 2017-09-07 | 2017-09-07 | A kind of method and system of lathe detection workpiece |
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| Publication Number | Publication Date |
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| CN107514974A true CN107514974A (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710801404.4A Withdrawn CN107514974A (en) | 2017-09-07 | 2017-09-07 | A kind of method and system of lathe detection workpiece |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440690A (en) * | 2019-07-30 | 2019-11-12 | 华中科技大学 | A kind of device and method for single-point diamond lathe linear axis error measure |
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| CN1686673A (en) * | 2005-04-14 | 2005-10-26 | 上海交通大学 | Control method of digitized precise curved grinding |
| CN101000499A (en) * | 2006-12-18 | 2007-07-18 | 浙江大学 | Contour machining method and system based on multi-sensor integral measuring |
| CN101532926A (en) * | 2008-12-12 | 2009-09-16 | 齐齐哈尔华工机床制造有限公司 | On-line vision detecting system for automatic impact specimen processing device and image processing method thereof |
| CN101549468A (en) * | 2009-04-24 | 2009-10-07 | 北京邮电大学 | Image-based on-line detection and compensation system and method for cutting tools |
| CN101913104A (en) * | 2010-08-20 | 2010-12-15 | 孟庆周 | Method for detecting workpieces by using multi-coordinate mechanical processing machine |
| CN102179726A (en) * | 2011-03-24 | 2011-09-14 | 哈尔滨理工大学 | Instrument and method for measuring secondary clamping deviation during numerical control machining based on image technology |
| CN103857493A (en) * | 2011-09-27 | 2014-06-11 | 弗立兹·斯图特公司 | Machine tool and method for measuring a workpiece |
| CN103499297A (en) * | 2013-10-25 | 2014-01-08 | 爱科维申科技（天津）有限公司 | CCD (Charge Coupled Device)-based high-accuracy measuring method |
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| CN110440690A (en) * | 2019-07-30 | 2019-11-12 | 华中科技大学 | A kind of device and method for single-point diamond lathe linear axis error measure |
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Application publication date: 20171226 |
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| WW01 | Invention patent application withdrawn after publication |