CN111457865A - Method and system for measuring straightness of band saw blade or steel band - Google Patents
Method and system for measuring straightness of band saw blade or steel band Download PDFInfo
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- CN111457865A CN111457865A CN202010397622.8A CN202010397622A CN111457865A CN 111457865 A CN111457865 A CN 111457865A CN 202010397622 A CN202010397622 A CN 202010397622A CN 111457865 A CN111457865 A CN 111457865A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 101
- 239000010959 steel Substances 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 38
- 238000012545 processing Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 13
- 238000013500 data storage Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a method and a system for measuring the straightness of a band saw blade or a steel band, wherein the method and the system do not need to cut off the steel band of the band saw blade, thereby reducing the material waste and greatly reducing the manufacturing cost; the method has the advantages that the length data of the corresponding point is acquired while the straightness data is acquired, so that the position information of the corresponding point is acquired, the straightness data and the position information are enabled to be corresponding, when abnormal straightness data occurs, the position of the abnormal value on a band saw blade or a steel band can be definitely known, the control of production quality is facilitated, the method is suitable for intelligent production and manufacturing requirements, and meanwhile, the production quality is improved.
Description
Technical Field
The invention belongs to the technical field of band saw blade and steel band processing, and particularly relates to a method and a system for measuring the straightness of a band saw blade or a steel band.
Background
In the production process of the steel band with the saw blade, in order to test the production quality of the steel band with the saw blade, the straightness of the steel band with the saw blade needs to be measured, and then the production line is adjusted according to the straightness data so as to improve the production quality of the steel band with the saw blade. The existing production line of the band saw blade steel band is generally provided with leveling and straightening equipment, after the band saw blade steel band is leveled and straightened, a section of sample is manually cut out from a disc of band saw blade or steel band, the straightness of the sample is manually measured, meanwhile, the length value of the band saw blade or the steel band corresponding to the straightness is recorded, a mark is made on the band saw blade or the steel band, and then the motion trend rule is recorded.
This method of measuring straightness has the following problems:
1. the intercepted sample can only be discarded, thus greatly increasing the manufacturing cost;
2. the manual measurement method has low measurement precision, cannot accurately reflect the straightness of the band saw blade or the steel band, and has low measurement efficiency; meanwhile, during manual measurement, the machine needs to be stopped to wait for the manual measurement result, so that the production efficiency of band saw blades or steel bands is reduced;
3. the existing leveling and straightening equipment has no straightness detection function, is inconvenient for monitoring straightness data in real time in the production process, cannot know the integral quality of a band saw blade or a steel band in real time, cannot clearly see the straightness data corresponding to a bad position, namely cannot determine the position of an abnormal value in the band saw blade or the steel band when the abnormal straightness value occurs, therefore, the existing leveling and straightening equipment is not beneficial to controlling the production quality of the band saw blade or the steel band, and cannot well adapt to the current intelligent manufacturing production requirement;
4. the existing leveling and straightening equipment does not have a length curve recording and storing function corresponding to straightness accuracy, and is not convenient for data tracing.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method and a system for measuring the straightness of a band saw blade or a steel band, which aim to solve the problems of low efficiency, low precision and the like of the traditional manual measurement.
The invention solves the technical problems through the following technical scheme: a method of measuring the straightness of a band saw blade or band, comprising:
detecting three points on the same side line of the band saw blade or the steel band in real time, taking a straight line formed by connecting lines of two points at two ends as a datum line, and calculating the distance from the middle point to the datum line, wherein the distance is the straightness data between the two points at the two ends.
The measuring method provided by the invention has the advantages that the band saw blade steel band is not required to be cut off, the manufacturing cost is greatly reduced, the real-time measurement is directly carried out in the production process after the band saw blade steel band is leveled and straightened, the machine halt is not required, the measuring efficiency and the production efficiency of the band saw blade steel band are improved, and compared with manual measurement, the measuring precision is greatly improved.
Furthermore, three points on the same side line of the band saw blade or the steel band are respectively detected by three line laser measuring instruments, and the three line laser measuring instruments are respectively arranged between the leveling machine and the material receiving end and are close to the material receiving end.
Each point on the same side line of the band saw blade or the steel band corresponds to one line laser measuring instrument, each line laser measuring instrument detects one point, and the data processing unit calculates the distance from the middle point to the reference line to obtain straightness data.
Furthermore, the line laser measuring instrument is a 2D/3D line laser measuring instrument with the model number of L S-9000.
Furthermore, the three line laser measuring instruments are arranged at equal intervals, three points on the same detected side line are arranged at equal intervals, and the straightness is calculated by using the point in the middle, so that the calculation accuracy of the straightness is improved.
Further, before straightness measurement, a production bar code of a band saw blade or a steel strip is obtained, and specification information of the band saw blade or the steel strip is obtained according to the production bar code; so that the subsequent straightness data correspond to the production bar code and specification of the band saw blade or the steel band when being stored, and the data tracing and the query are convenient.
Further, while measuring the straightness, an encoder is adopted to detect the length from the intermediate point to the starting end of the band saw blade or the steel band, wherein the length is the position of the intermediate point on the band saw blade or the steel band, and the straightness data and the position information are made to correspond.
Further, after the straightness measurement, the straightness data and the corresponding length are saved and displayed as a length-straightness curve on the interface.
The straightness of the band saw blade or the steel band can be monitored in real time through the displayed length-straightness curve, the production line is adjusted in time when the straightness exceeds a set threshold value, the production quality of the band saw blade or the steel band is improved, meanwhile, the position of abnormal straightness data can be known clearly, the production quality control of the band saw blade or the steel band is facilitated, and the intelligent manufacturing production requirement is met; the stored length-straightness data is convenient for subsequent data tracing.
The invention also provides a straightness measuring system of a band saw blade or a steel band, comprising: three point detection sensors, a length detection sensor, a data processing unit, a data storage unit and a display unit; the point detection sensor, the length detection sensor, the data storage unit and the display unit are respectively connected with the data processing unit; the three point detection sensors are arranged between the leveling machine and the material receiving end at equal intervals and are close to the material receiving end; the installation position of the length detection sensor is adapted to the installation position of a point detection sensor for detecting the middle point;
the three point detection sensors are respectively used for detecting three points on the same side line of the band saw blade or the steel band;
the length detection sensor is used for detecting the length from the middle point to the starting end of a band saw blade or a steel band;
the data processing unit is used for calculating straightness data according to the detection data of the point detection sensor and obtaining length data of the middle point according to the detection data of the length detection sensor;
the data storage unit is used for storing the straightness data and the corresponding length data;
the display unit is used for displaying a length-straightness curve.
Further, the point detection sensor is a line laser measuring instrument, and the length detection sensor is an encoder.
Further, the system also comprises an input unit and a database unit which are respectively connected with the data processing unit, wherein the input unit comprises a code scanning gun and/or a manual input unit;
the code scanning gun is used for scanning a production bar code on a band saw blade or a steel strip to obtain specification information of the band saw blade or the steel strip;
the manual input unit is used for manually inputting production bar code information and setting parameters;
the database unit is used for storing the specification information of the band saw blade or the steel band.
Advantageous effects
Compared with the prior art, the straightness measuring method and system for the band saw blade or the steel band, provided by the invention, have the advantages that the steel band with the band saw blade or the steel band does not need to be cut off, the material waste is reduced, the manufacturing cost is greatly reduced, the straightness is measured in the production process, the stop waiting is not needed, the measuring efficiency and the production efficiency of the steel band with the band saw blade are improved, and meanwhile, the measuring precision is also improved; the method has the advantages that the length data of the corresponding point is acquired while the straightness data is acquired, so that the position information of the corresponding point is acquired, the straightness data and the position information are enabled to be corresponding, when abnormal straightness data occurs, the position of the abnormal value on a band saw blade or a steel band can be definitely known, the control of production quality is facilitated, the method is suitable for intelligent production and manufacturing requirements, and meanwhile, the production quality is improved. The method is simple to operate and has good practical value.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram of straightness measurement in an embodiment of the present invention;
FIG. 2 is a block diagram of a straightness measuring system of a band saw blade or a steel band according to an embodiment of the present invention;
the measuring device comprises a 1-band saw blade or steel strip, a 2-first line laser measuring instrument, a 3-second line laser measuring instrument, a 4-third line laser measuring instrument, an A-first end point (a point on the band saw blade or the steel strip detected by the first line laser measuring instrument), a B-second end point (a point on the band saw blade or the steel strip detected by the third line laser measuring instrument), a C-middle point (a point on the band saw blade or the steel strip detected by the second line laser measuring instrument), L-a reference line formed by the points A and B, a D-distance between two adjacent line laser measuring instruments and a H-straightness between the first end point A and the second end point B.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for measuring the straightness of a band saw blade or a steel band, which comprises the following steps:
1. and acquiring a production bar code on the band saw blade or the steel band, and acquiring the specification information of the band saw blade or the steel band by the production bar code.
The production bar code on the band saw blade or the steel strip is obtained by adopting a code scanning gun or a manual input mode, and the specification information of the band saw blade or the steel strip corresponding to the production bar code in a company database is read according to the production bar code so as to obtain the specification information of the band saw blade or the steel strip, so that the subsequent straightness data is corresponding to the production bar code and the specification of the band saw blade or the steel strip when being stored, and the subsequent data tracing is facilitated. The specification information includes information such as material, specification model, weight information, backing material thickness and width.
2. Three line laser measuring instruments are adopted to respectively detect three points on the same side line of a band saw blade or a steel strip in real time, a straight line formed by connecting lines of two points at two ends is taken as a reference line, and the distance from a middle point to the reference line is calculated, wherein the distance is the straightness data between the two points at the two ends; meanwhile, an encoder is adopted to detect the length from the middle point to the starting end of the band saw blade or the steel band, and the length is the position of the middle point on the band saw blade or the steel band.
As shown in fig. 1, the three line laser measuring instruments are respectively a first line laser measuring instrument 2, a second line laser measuring instrument 3 and a third line laser measuring instrument 4, the first line laser measuring instrument 2, the second line laser measuring instrument 3 and the third line laser measuring instrument 4 are arranged between the leveling machine and the receiving end at equal intervals and are close to the receiving end, three detected points on the same side line are enabled to be at equal intervals, the straightness between the two end points is calculated by using a point in the middle, the calculation precision of the straightness is improved, the first line laser measuring instrument 2, the second line laser measuring instrument 3 and the third line laser measuring instrument 4 are located on the same side edge or in the same installation direction, so that the detected points are located on the same side line of the band saw strip or the steel strip, the first line laser measuring instrument 2, the second line laser measuring instrument 3 and the third line laser measuring instrument 4 are respectively used for detecting three points A, C and B on the same side line of the band saw strip or the steel strip 1, A, B is respectively a first end point and a second end point, C is a middle point, a straight line L formed by a connecting the end point of the first end point a and a straight line L, and a data of the second end point B.
The installation position of the encoder is adapted to the installation position of the second line laser measuring instrument 3, so that when the straightness data is detected, the encoder detects the length from the middle point C to the starting end of the band saw blade or the steel band, the length is the position of the middle point C on the band saw blade or the steel band, the straightness data corresponds to the position information, so that the middle point C can be quickly and accurately positioned on the band saw blade or the steel band when an abnormal value occurs, the production quality control of the band saw blade or the steel band is facilitated, and the intelligent manufacturing production requirement is met.
In the embodiment, the distance D between two adjacent line laser measuring instruments is 500mm or 200mm, the line laser measuring instruments are 2D/3D line laser measuring instruments with models of L S-9000, the encoders are serial encoders with models of EQN425, a detection period is set according to production requirements, the line laser measuring instruments are enabled to detect three points according to the detection period, therefore, straightness data are obtained, and the encoders are enabled to detect length data of intermediate points according to the detection period.
3. And (3) corresponding and storing the straightness data and the length data in the step (2), and displaying the straightness data and the length data on an interface by using a length-straightness curve.
And the straightness data and the length data are corresponded and stored, so that the straightness data and the position information are corresponded, and the belt saw blade or the steel belt can be quickly and accurately positioned when an abnormal value occurs. The detection result is displayed on the interface by a length-straightness curve, a threshold value of the straightness data can be set before the result is displayed, and when the result is displayed, an abnormal value can be known at a glance at which length position the straightness exceeds the threshold value through the length-straightness curve and the threshold value, so that the straightness of the band saw blade or the steel strip can be monitored in real time greatly, and the processing can be rapidly performed when the abnormity occurs, and the production quality of the band saw blade or the steel strip is improved.
Compared with the traditional manual measuring method, the straightness measuring method greatly improves the measuring efficiency and the measuring precision, does not need to stop to wait for the measuring result, and improves the production efficiency of band saw blades or steel bands; a sample does not need to be intercepted, so that the manufacturing cost is reduced; and finally, the straightness data is displayed in a length-straightness curve mode, so that the straightness data can be monitored in real time conveniently, the data can be accurately and quickly positioned on a band saw blade or a steel band when an abnormal value occurs, the processing can be performed in time, the control of the production quality is facilitated, and the method is suitable for the current intelligent manufacturing production requirements. The method more intuitively reflects the straightness data of the band saw blade or the steel band, knows the quality rule of the band saw blade or the steel band, and greatly reduces the manpower and material resources wasted by manual detection if reworking is needed or the next procedure flows in.
As shown in fig. 2, the present invention also provides a straightness measuring system of a band saw blade or a steel band, comprising: the system comprises three line laser measuring instruments, an encoder, a data processing unit, a data storage unit, a display unit, an input unit and a database unit; the three line laser measuring instruments, the encoder, the data storage unit, the display unit, the input unit and the database unit are respectively connected with the data processing unit; the three line laser measuring instruments are arranged between the leveling machine and the material receiving end at equal intervals and are close to the material receiving end; the mounting position of the encoder is adapted to the mounting position of a line laser measuring instrument for detecting the middle point; the input unit comprises a code scanning gun and/or a manual input unit;
the three line laser measuring instruments are respectively used for detecting three points on the same side line of the band saw blade or the steel band;
the encoder is used for detecting the length from the middle point to the starting end of a band saw blade or a steel band;
the data processing unit is used for calculating straightness data according to the detection data of the linear laser measuring instrument and obtaining length data of the intermediate point according to the detection data of the encoder;
the data storage unit is used for storing the straightness data and the corresponding length data;
the display unit is used for displaying a length-straightness curve;
the code scanning gun is used for scanning a production bar code on a band saw blade or a steel strip to obtain specification information of the band saw blade or the steel strip;
the manual input unit is used for manually inputting production bar code information and setting parameters, such as setting a length compensation value, so as to correct the position of the encoder and improve the measurement precision of the length;
the database unit is used for storing the specification information of the band saw blade or the steel band.
In this embodiment, 2D/3D line laser measuring instrument with model L S-9000 is selected for use as the line laser measuring instrument, serial port encoder with model EQN425, 7 "touch display screen with model AC070 for use as the display unit, the manual input unit is the keyboard, the P L C control module of siemens S7 series is selected for use as the data processing unit, this P L C control module is integrated with the IO mouth, memory card slot and expansion port, line laser measuring instrument, the encoder, touch display screen and keyboard can directly be connected with the IO mouth on the P L C control module electrically, insert the memory card in the memory card slot as the data storage unit.
Meanwhile, a printing unit can be additionally arranged, the P L C control module is in communication connection with the leveling and straightening equipment, and data on the leveling and straightening equipment can be displayed on a touch display screen.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (10)
1. A method for measuring the straightness of a band saw blade or a steel band, comprising:
detecting three points on the same side line of the band saw blade or the steel band in real time, taking a straight line formed by connecting lines of two points at two ends as a datum line, and calculating the distance from the middle point to the datum line, wherein the distance is the straightness data between the two points at the two ends.
2. A method of measuring the straightness of a band saw blade or a steel band as set forth in claim 1, wherein: three points on the same side line of the band saw blade or the steel band are respectively detected by three line laser measuring instruments, and the three line laser measuring instruments are respectively arranged between the leveling machine and the material receiving end and are close to the material receiving end.
3. The method of claim 2, wherein the line laser measuring instrument is a 2D/3D line laser measuring instrument having a model number of L S-9000.
4. A method of measuring the straightness of a band saw blade or a steel band as set forth in claim 2 or 3, wherein: the three line laser measuring instruments are arranged at equal intervals.
5. A method of measuring the straightness of a band saw blade or a steel band as set forth in claim 1, wherein: before straightness measurement, a production bar code of a band saw blade or a steel band is obtained, and specification information of the band saw blade or the steel band is obtained according to the production bar code.
6. A method of measuring the straightness of a band saw blade or a steel band as set forth in claim 1 or 5, wherein: and detecting the length from the intermediate point to the starting end of the band saw blade or the steel band by using an encoder while measuring the straightness, wherein the length is the position of the intermediate point on the band saw blade or the steel band.
7. A method of measuring the straightness of a band saw blade or a steel band as set forth in claim 1, wherein: after the straightness measurement, the straightness data and the corresponding length are saved and displayed as a length-straightness curve on the interface.
8. A straightness measuring system for a band saw blade or a steel band, comprising: three point detection sensors, a length detection sensor, a data processing unit, a data storage unit and a display unit; the point detection sensor, the length detection sensor, the data storage unit and the display unit are respectively connected with the data processing unit; the three point detection sensors are arranged between the leveling machine and the material receiving end at equal intervals and are close to the material receiving end; the installation position of the length detection sensor is adapted to the installation position of a point detection sensor for detecting the middle point;
the three point detection sensors are respectively used for detecting three points on the same side line of the band saw blade or the steel band;
the length detection sensor is used for detecting the length from the middle point to the starting end of a band saw blade or a steel band;
the data processing unit is used for calculating straightness data according to the detection data of the point detection sensor and obtaining length data of the middle point according to the detection data of the length detection sensor;
the data storage unit is used for storing the straightness data and the corresponding length data;
the display unit is used for displaying a length-straightness curve.
9. A straightness measuring system for a band saw blade or a steel band as set forth in claim 8, wherein: the point detection sensor is a line laser measuring instrument, and the length detection sensor is an encoder.
10. A straightness measuring system for a band saw blade or a steel band as claimed in claim 8 or 9, wherein: the system also comprises an input unit and a database unit which are respectively connected with the data processing unit, wherein the input unit comprises a code scanning gun and/or a manual input unit;
the code scanning gun is used for scanning a production bar code on a band saw blade or a steel strip to obtain specification information of the band saw blade or the steel strip;
the manual input unit is used for manually inputting production bar code information and setting parameters;
the database unit is used for storing the specification information of the band saw blade or the steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010397622.8A CN111457865A (en) | 2020-05-12 | 2020-05-12 | Method and system for measuring straightness of band saw blade or steel band |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010397622.8A CN111457865A (en) | 2020-05-12 | 2020-05-12 | Method and system for measuring straightness of band saw blade or steel band |
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| CN202010397622.8A Pending CN111457865A (en) | 2020-05-12 | 2020-05-12 | Method and system for measuring straightness of band saw blade or steel band |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147539A (en) * | 2023-03-31 | 2023-05-23 | 山东曦伴机电技术服务有限公司 | Novel measuring method and device for straightness of gas cylinder |
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2020
- 2020-05-12 CN CN202010397622.8A patent/CN111457865A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147539A (en) * | 2023-03-31 | 2023-05-23 | 山东曦伴机电技术服务有限公司 | Novel measuring method and device for straightness of gas cylinder |
| CN116147539B (en) * | 2023-03-31 | 2023-10-17 | 山东曦伴机电技术服务有限公司 | Novel measuring method and device for straightness of gas cylinder |
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