CN108527004A - A kind of cutting tool for CNC machine breakage detection system - Google Patents
A kind of cutting tool for CNC machine breakage detection system Download PDFInfo
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- CN108527004A CN108527004A CN201810272980.9A CN201810272980A CN108527004A CN 108527004 A CN108527004 A CN 108527004A CN 201810272980 A CN201810272980 A CN 201810272980A CN 108527004 A CN108527004 A CN 108527004A
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- image
- tool
- cutter
- denoising
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Classifications
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- 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
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0957—Detection of tool breakage
Abstract
The invention discloses a kind of cutting tool for CNC machine breakage detection systems, including：Image capture module, the tool image currently used for acquiring numerically-controlled machine tool；Noise removal module obtains tool image after denoising for carrying out denoising to tool image；Preprocessing module obtains cutter gray scale pretreatment image for carrying out gray scale pretreatment to tool image after denoising；Image zooming-out module, for according to target tool image in preset half-tone information and edge extraction cutter gray scale pretreatment image；Processing module sends out cutter changing notice according to comparison result or cutter pre-replacement notifies for target tool image and the default image that compares to be carried out similarity-rough set.
Description
Technical field
The present invention relates to numerical control machine tool technique field more particularly to a kind of cutting tool for CNC machine breakage detection systems.
Background technology
Numerically-controlled machine tool is a kind of automated machine tool equipped with program control system, numerical control device after calculation process, by
Numerical control device sends out various control signals, the action of control lathe, and shape and size by drawing automatically add part
Work comes out.During above-mentioned processing, the cutter installed in numerically-controlled machine tool needs, according to preset program, to carry out part
Cutting, since in cutting process, breakage can also occur for cutter itself, it is therefore desirable to be monitored to the damaged degree of cutter, be
The accuracy for ensureing part cutting processing needs to carry out cutter in time when the damaged degree of cutter has been more than certain degree
It replaces, it is therefore desirable to which cutter service condition is monitored.
Invention content
Technical problems based on background technology, the present invention propose a kind of cutting tool for CNC machine breakage detection system；
A kind of cutting tool for CNC machine breakage detection system proposed by the present invention, including：
Image capture module, the tool image currently used for acquiring numerically-controlled machine tool；
Noise removal module obtains tool image after denoising for carrying out denoising to tool image；
Preprocessing module obtains cutter gray scale pretreatment image for carrying out gray scale pretreatment to tool image after denoising；
Image zooming-out module, for according in preset half-tone information and edge extraction cutter gray scale pretreatment image
Target tool image；
Processing module, for target tool image and the default image that compares to be carried out similarity-rough set, according to comparison result
Send out cutter changing notice or cutter pre-replacement notice.
Preferably, the noise removal module, is specifically used for：By Gaussian smoothing denoising to tool image be filtered with
Gaussian noise is eliminated, tool image after denoising is obtained.
Preferably, the preprocessing module, is specifically used for：
The contrast of tool image after enhancing denoising；
Gray proces are carried out to tool image after denoising；
Tool image after the denoising after gray proces is handled by morphologic filtering, obtains cutter gray scale pretreatment
Image.
Preferably, the processing module, is specifically used for：
Target tool image and the default image progress similarity-rough set that compares are obtained into target similarity value；
Target similarity value is compared with preset first threshold and second threshold, when target similarity value is less than the
When one threshold value, cutter changing notice is sent out；
When target similarity value is less than second threshold and is more than first threshold, cutter pre-replacement notice is sent out；Wherein,
One threshold value is less than second threshold.
Preferably, the processing module, is additionally operable to：Cutter changing notice or knife are sent out to the mobile terminal of default contact person
Has pre-replacement notice.
In the present invention, image capture module, the tool image currently used for acquiring numerically-controlled machine tool；Noise removal mould
Block obtains tool image after denoising for carrying out denoising to tool image；Preprocessing module, for cutter after denoising
Image carries out gray scale pretreatment, obtains cutter gray scale pretreatment image；Image zooming-out module, for according to preset half-tone information
With target tool image in edge extraction cutter gray scale pretreatment image；Processing module, for by target tool image with
The default image that compares carries out similarity-rough set, sends out cutter changing notice according to comparison result or cutter pre-replacement notifies, in this way,
By the way that the currently used tool image of numerically-controlled machine tool and pre-set image are carried out similarity-rough set, to judge that lathe is currently used
The breakage of cutter, and then prompting is sent out to operating personnel, to improve the yields of the product produced by lathe, increase enterprise
Industry benefit.
Description of the drawings
Fig. 1 is a kind of module diagram of cutting tool for CNC machine breakage detection system proposed by the present invention.
Specific implementation mode
Referring to Fig.1, a kind of cutting tool for CNC machine breakage detection system proposed by the present invention, including：
Image capture module, the tool image currently used for acquiring numerically-controlled machine tool；
Noise removal module obtains tool image after denoising, is specifically used for for carrying out denoising to tool image：
Tool image is filtered to eliminate Gaussian noise by Gaussian smoothing denoising, obtains tool image after denoising.
Preprocessing module, for tool image progress gray scale pretreatment after denoising, obtaining cutter gray scale pretreatment image,
It is specifically used for：
The contrast of tool image after enhancing denoising；
Gray proces are carried out to tool image after denoising；
Tool image after the denoising after gray proces is handled by morphologic filtering, obtains cutter gray scale pretreatment
Image.
In concrete scheme, denoising, the contrast for enhancing tool image are carried out to tool image, cutter figure is carried out
Gray proces, morphologic filtering processing, it is therefore an objective to improve the clarity of picture, improve the accuracy of subsequent step detection.
Image zooming-out module, for according in preset half-tone information and edge extraction cutter gray scale pretreatment image
Target tool image.
In concrete scheme, since image is other than cutter in cutter gray scale pretreatment image, also other articles or the back of the body
Scape needs to extract target tool image in cutter gray scale pretreatment image, improves the comparison accuracy in subsequent step.
Processing module, for target tool image and the default image that compares to be carried out similarity-rough set, according to comparison result
Cutter changing notice or cutter pre-replacement notice are sent out, is specifically used for：
Target tool image and the default image progress similarity-rough set that compares are obtained into target similarity value；
Target similarity value is compared with preset first threshold and second threshold, when target similarity value is less than the
When one threshold value, cutter changing notice is sent out；
When target similarity value is less than second threshold and is more than first threshold, cutter pre-replacement notice is sent out；Wherein,
One threshold value is less than second threshold.
Specifically, sending out cutter changing notice or cutter pre-replacement notice to the mobile terminal of default contact person.
In concrete scheme, target tool image and the default image progress similarity-rough set that compares are obtained into target similarity
Value；Target similarity value is compared with preset first threshold and second threshold, when target similarity value is less than the first threshold
When value, illustrate that the currently used tool failure situation of lathe is serious, needs that operating personnel is reminded in time to replace cutter, when
When target similarity value is less than second threshold and is more than first threshold, illustrate that cutter is slightly damaged, the error of the product of output exists
In preset error range, at this point, sending out cutter pre-replacement notice, operating personnel's cutter is reminded to need replacing in a short time.
In present embodiment, image capture module, the tool image currently used for acquiring numerically-controlled machine tool；Noise removal
Module obtains tool image after denoising for carrying out denoising to tool image；Preprocessing module, for knife after denoising
Have image and carry out gray scale pretreatment, obtains cutter gray scale pretreatment image；Image zooming-out module, for being believed according to preset gray scale
Target tool image in breath and edge extraction cutter gray scale pretreatment image；Processing module is used for target tool image
Similarity-rough set is carried out with the default image that compares, cutter changing notice is sent out according to comparison result or cutter pre-replacement notifies, such as
This, by the way that the currently used tool image of numerically-controlled machine tool and pre-set image are carried out similarity-rough set, to judge that lathe currently makes
The breakage of cutter, and then prompting is sent out to operating personnel, to improve the yields of the product produced by lathe, increase
Add the performance of enterprises.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of cutting tool for CNC machine breakage detection system, which is characterized in that including：
Image capture module, the tool image currently used for acquiring numerically-controlled machine tool；
Noise removal module obtains tool image after denoising for carrying out denoising to tool image；
Preprocessing module obtains cutter gray scale pretreatment image for carrying out gray scale pretreatment to tool image after denoising；
Image zooming-out module, for according to target in preset half-tone information and edge extraction cutter gray scale pretreatment image
Tool image；
Processing module is sent out for target tool image and the default image that compares to be carried out similarity-rough set according to comparison result
Cutter changing notifies or cutter pre-replacement notice.
2. cutting tool for CNC machine breakage detection system according to claim 1, which is characterized in that the noise removal mould
Block is specifically used for：Tool image is filtered to eliminate Gaussian noise by Gaussian smoothing denoising, obtains cutter figure after denoising
Picture.
3. cutting tool for CNC machine breakage detection system according to claim 1, which is characterized in that the preprocessing module,
It is specifically used for：
The contrast of tool image after enhancing denoising；
Gray proces are carried out to tool image after denoising；
Tool image after the denoising after gray proces is handled by morphologic filtering, obtains cutter gray scale pretreatment figure
Picture.
4. cutting tool for CNC machine breakage detection system according to claim 1, which is characterized in that the processing module, tool
Body is used for：
Target tool image and the default image progress similarity-rough set that compares are obtained into target similarity value；
Target similarity value is compared with preset first threshold and second threshold, when target similarity value is less than the first threshold
When value, cutter changing notice is sent out；
When target similarity value is less than second threshold and is more than first threshold, cutter pre-replacement notice is sent out；Wherein, the first threshold
Value is less than second threshold.
5. cutting tool for CNC machine breakage detection system according to claim 1, which is characterized in that the processing module, also
For：Cutter changing notice or cutter pre-replacement notice are sent out to the mobile terminal of default contact person.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272980.9A CN108527004A (en) | 2018-03-29 | 2018-03-29 | A kind of cutting tool for CNC machine breakage detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272980.9A CN108527004A (en) | 2018-03-29 | 2018-03-29 | A kind of cutting tool for CNC machine breakage detection system |
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| CN108527004A true CN108527004A (en) | 2018-09-14 |
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| CN201810272980.9A Withdrawn CN108527004A (en) | 2018-03-29 | 2018-03-29 | A kind of cutting tool for CNC machine breakage detection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500657A (en) * | 2018-11-14 | 2019-03-22 | 华中科技大学 | A kind of knife-breaking detecting method and system of view-based access control model |
| CN112388390A (en) * | 2020-11-09 | 2021-02-23 | 上海圣之尧智能科技有限公司 | Turning cutter replacement system |
| CN113608482A (en) * | 2021-08-13 | 2021-11-05 | 重庆允成互联网科技有限公司 | Intelligent monitoring method, system and management system for precision machining tool |
| CN117036358A (en) * | 2023-10-10 | 2023-11-10 | 济南章力机械有限公司 | Method and system for detecting tool wear of numerical control machine tool |
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| US20010017699A1 (en) * | 2000-01-08 | 2001-08-30 | Joachim Egelhof | Method and measuring device for measuring a rotary tool |
| CN103076763A (en) * | 2012-12-26 | 2013-05-01 | 山东拓维数控设备有限公司 | Real-time detection system for state of cutting tool of numerical control machine tool |
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| US20010017699A1 (en) * | 2000-01-08 | 2001-08-30 | Joachim Egelhof | Method and measuring device for measuring a rotary tool |
| CN103076763A (en) * | 2012-12-26 | 2013-05-01 | 山东拓维数控设备有限公司 | Real-time detection system for state of cutting tool of numerical control machine tool |
| CN106584209A (en) * | 2016-11-10 | 2017-04-26 | 哈尔滨理工大学 | Real-time online monitoring method for tool wear based on cloud manufacturing |
| 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500657A (en) * | 2018-11-14 | 2019-03-22 | 华中科技大学 | A kind of knife-breaking detecting method and system of view-based access control model |
| CN112388390A (en) * | 2020-11-09 | 2021-02-23 | 上海圣之尧智能科技有限公司 | Turning cutter replacement system |
| CN113608482A (en) * | 2021-08-13 | 2021-11-05 | 重庆允成互联网科技有限公司 | Intelligent monitoring method, system and management system for precision machining tool |
| CN117036358A (en) * | 2023-10-10 | 2023-11-10 | 济南章力机械有限公司 | Method and system for detecting tool wear of numerical control machine tool |
| CN117036358B (en) * | 2023-10-10 | 2024-01-30 | 济南章力机械有限公司 | Method and system for detecting tool wear of numerical control machine tool |
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Application publication date: 20180914 |