CN113340256A - DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system - Google Patents
DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system Download PDFInfo
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- CN113340256A CN113340256A CN202110640901.7A CN202110640901A CN113340256A CN 113340256 A CN113340256 A CN 113340256A CN 202110640901 A CN202110640901 A CN 202110640901A CN 113340256 A CN113340256 A CN 113340256A
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 238000012937 correction Methods 0.000 title claims abstract description 35
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 32
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000013178 mathematical model Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000033764 rhythmic process Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001681 protective effect Effects 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
- 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
- G01B21/20—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 contours or curvatures, e.g. determining profile
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system, which comprises an upper computer, a processor, a measuring sensor and a touch screen operation panel; the upper computer is connected with the processor and used for sending out instructions; the touch screen operation panel is connected with the processor and used for input control detection and correction; the measuring sensor is connected with the processor through the analog quantity signal processing unit and used for obtaining a stable numerical value through field testing; and the processor is connected with the circle pressing control mechanical hydraulic equipment and is used for obtaining the major axis and the minor axis of the ovality of the cast iron pipe through editing the data processing program block according to the stable numerical value obtained by field test, then controlling the cast iron pipe to rotate to the position of the major axis and controlling the circle correcting equipment to automatically correct the circle. The detection and correction system realizes automatic roundness correction of the socket of the centrifugal nodular cast iron pipe, achieves efficient and accurate measurement and control, can repeatedly detect and check, greatly reduces the labor intensity of workers, ensures the quality of the cast pipe, and improves the production rhythm.
Description
Technical Field
The invention relates to a DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system.
Background
The socket ovality of the centrifugal ductile cast iron pipe is an important index for measuring the quality of the pipe, and the ovality is required to be corrected when the ovality is larger than a specified value.
At present, roundness correction is mainly performed manually after post workers use standard round dies to perform field inspection, one cast iron pipe usually needs to be inspected and rounded many times, workload is large, and production rhythm is seriously affected.
Therefore, a DN400-DN1200 centrifugal ductile cast iron pipe socket ovality detection and correction system is urgently needed to solve the technical problem.
Disclosure of Invention
The invention aims to provide a DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system, which realizes automatic circle correction of a centrifugal nodular cast iron pipe socket, achieves efficient and accurate measurement and control, can repeatedly detect and check, greatly reduces the labor intensity of workers, ensures the quality of cast pipes and improves the production rhythm.
In order to achieve the purpose, the invention provides a DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system, which comprises an upper computer, a processor, a measuring sensor and a touch screen operation panel; wherein,
the upper computer is connected with the processor and used for sending out instructions;
the touch screen operation panel is connected with the processor and used for input control detection and correction;
the measuring sensor is connected with the processor through the analog quantity signal processing unit and used for obtaining a stable numerical value through field testing;
and the processor is connected with the circle pressing control mechanical hydraulic equipment and is used for obtaining the major axis and the minor axis of the ovality of the cast iron pipe through editing the data processing program block according to the stable numerical value obtained by field test, then controlling the cast iron pipe to rotate to the position of the major axis and controlling the circle correcting equipment to automatically correct the circle.
Preferably, the measuring sensor is arranged at the highest position of the cast iron pipe at the supporting roller in the rounding control mechanical hydraulic equipment so as to ensure the accuracy of the rounding detection.
Preferably, the idler rotation is a variable frequency control for adjusting the rotation speed of the cast iron pipe.
Preferably, the system further comprises a high-precision signal acquisition module installed on the site and used for eliminating line signal interference.
Preferably, the compiled data processing block analyzes the acquired data and obtains the diameter, ovality, major axis and minor axis of the cast iron pipe to build the mathematical model.
Preferably, the touch screen operation panel is provided with a plurality of interfaces for personnel participation for manual intervention for rounding work.
Preferably, the cast iron pipe rotates for a circle on a carrier roller in the circle pressing control mechanical hydraulic equipment for detection, and a point with the minimum distance is found for circle pressing.
According to the technical scheme, the invention changes the current situations of high labor intensity and low roundness correction efficiency of workers at the original roundness correction station by adding the detection and control equipment, achieves quick and accurate measurement and correction, ensures the quality of cast pipes and ensures the production rhythm.
Specifically, a high-precision measuring sensor and a high-efficiency PLC module are used for obtaining a stable numerical value through field test, a data processing program block is edited, after a long shaft and a short shaft of the ovality of the cast iron pipe are obtained, the cast iron pipe is controlled to rotate to the position of the long shaft, the circle correcting equipment is controlled to automatically correct the circle, and the purposes of automatically detecting the ovality and the campus of the socket of the centrifugal nodular cast iron pipe are achieved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a construction diagram of a DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system provided by the invention;
FIG. 2 is a DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system automatic circle correction DN1200 pipe type ovality calculation mathematical model provided by the invention;
FIG. 3 is a schematic diagram of an automatic roundness correction detection of a DN400-DN1200 centrifugal ductile cast iron pipe socket ovality detection and correction system provided by the invention;
FIG. 4 is a block for processing data of automatic roundness detection and correction in a DN400-DN1200 centrifugal ductile cast iron pipe socket ovality detection and correction system provided by the invention;
FIG. 5 is a block of data for detecting and processing the perimeter of an automatically calibrated round cast iron pipe in a DN400-DN1200 centrifugal ductile cast iron pipe socket ovality detection and correction system provided by the invention;
FIG. 6 is an automatic circle calibration control program in the DN400-DN1200 centrifugal ductile cast iron pipe socket ovality detection and calibration system provided by the invention;
FIG. 7 is an operation interface diagram of an automatic circle-correcting touch screen in the DN400-DN1200 centrifugal ductile iron pipe socket ovality detection and correction system provided by the invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional terms included in the terms merely represent the directions of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1 to 7, the invention provides a DN400-DN1200 centrifugal ductile cast iron pipe socket ovality detection and correction system, which comprises an upper computer, a processor, a measurement sensor and a touch screen operation panel; wherein,
the upper computer is connected with the processor and used for sending out instructions;
the touch screen operation panel is connected with the processor and used for input control detection and correction;
the measuring sensor is connected with the processor through the analog quantity signal processing unit and used for obtaining a stable numerical value through field testing;
and the processor is connected with the circle pressing control mechanical hydraulic equipment and is used for obtaining the major axis and the minor axis of the ovality of the cast iron pipe through editing the data processing program block according to the stable numerical value obtained by field test, then controlling the cast iron pipe to rotate to the position of the major axis and controlling the circle correcting equipment to automatically correct the circle.
In this embodiment, it is necessary to simulate the working environment of the site with a high-precision laboratory bench, discriminate the measuring elements, and select a high-precision detecting element that is most suitable for the cast pipe production site out of several ten detecting elements.
The measuring sensor is arranged at the highest position of the cast iron pipe at the supporting roller in the circle pressing control mechanical hydraulic equipment so as to ensure the accuracy of circle correction detection. The cast iron pipe rotates for a circle on a carrier roller in the circle pressing control mechanical hydraulic equipment for detection, and the point with the minimum distance is found out for circle pressing.
The carrier roller is controlled by frequency conversion to adjust the rotating speed of the cast iron pipe.
In addition, the system for detecting and correcting the socket ovality of the centrifugal nodular cast iron pipe further comprises a high-precision signal acquisition module which is installed on the site and used for eliminating line signal interference.
In the data processing process, the data processing program is edited to analyze and process the acquired data and obtain the diameter, the ovality, the major axis and the minor axis of the cast iron pipe so as to establish a mathematical model.
The above formula mathematical model for ovality calculation is: actual ovality is the laser ranging distance number K;
wherein,
DN600 K＝130/118.3＝0.8706678
DN700 K＝104/115.3＝0.9019948
DN800 K＝103/111.6＝0.922939
DN900 K＝103/109.9＝0.93721565
DN1000 K＝104/109.7＝0.94804
DN1100 K＝103/107.7＝0.95636
DN1200 K＝5/5.2＝0.96153846。
in addition, the touch screen picture is edited, the detected data are displayed, meanwhile, interfaces for participation of some personnel are added, simple manual intervention can be performed on circle calibration work, and operability is improved. According to the data detection result, the tugboat is controlled to rotate to be matched with the circle calibration equipment to work, the full-automatic completion of detection and circle calibration is achieved, and personnel participation is not needed.
Through the technical scheme, the detection and control equipment is added, the situation that the traditional person manually detects the fact that the socket ovality of the centrifugal nodular cast iron pipe is large in error and heavy in workload and influences the production rhythm is changed, the rapid and accurate measurement and correction are achieved, the quality of the cast pipe is guaranteed, and the production rhythm is guaranteed. The method comprises the steps of establishing a mathematical model by utilizing a high-precision detection element in cooperation with PLC (programmable logic controller) software and hardware to obtain a stable numerical value, editing a data processing program block to obtain a long axis and a short axis of the ovality of the cast iron pipe, controlling the cast iron pipe to rotate to the position of the long axis, controlling circle calibration equipment to automatically calibrate the circle, and achieving the purposes of automatically detecting the ovality of a centrifugal nodular cast iron pipe socket and calibrating the campus.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. A DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system is characterized by comprising an upper computer, a processor, a measuring sensor and a touch screen operation panel; wherein,
the upper computer is connected with the processor and used for sending out instructions;
the touch screen operation panel is connected with the processor and used for inputting, controlling, detecting and correcting;
the measuring sensor is connected with the processor through an analog quantity signal processing unit and used for obtaining a stable numerical value through field testing;
the processor is connected with the circle pressing control mechanical hydraulic equipment and used for obtaining the major axis and the minor axis of the ovality of the cast iron pipe through editing the data processing program block according to the stable numerical value obtained through field test, then controlling the cast iron pipe to rotate to the position of the major axis, and controlling the circle correcting equipment to automatically correct the circle.
2. The DN400-DN1200 centrifugal ductile iron pipe socket ovality detecting and correcting system according to claim 1, wherein the measuring sensor is installed at the highest position of the cast iron pipe at a carrier roller in a roundness control mechanical hydraulic device to ensure the accuracy of roundness detection.
3. The DN400-DN1200 centrifugal ductile iron pipe socket ovality detection and correction system of claim 2 wherein said carrier roller rotation is a variable frequency control for adjusting the rotational speed of the ductile iron pipe.
4. The DN400-DN1200 centrifugal ductile iron pipe socket ovality detection and correction system according to claim 1, further comprising a high-precision signal acquisition module installed on site for eliminating line signal interference.
5. The DN400-DN1200 centrifugal ductile iron pipe socket ovality detection and correction system as claimed in claim 1, wherein said edit data processing block analyzes the collected data and obtains the diameter, ovality, major axis and minor axis of the ductile iron pipe to build a mathematical model.
6. The DN400-DN1200 centrifugal ductile iron pipe socket ovality detecting and correcting system according to claim 1, wherein a plurality of interfaces for personnel participation are provided on the touch screen operating panel for manual intervention in the roundness correction work.
7. The DN400-DN1200 centrifugal ductile iron pipe socket ovality detection and correction system according to claim 1, wherein the ductile iron pipe rotates one circle on a carrier roller in a rounding control mechanical hydraulic device for detection, and a point with a minimum distance is found for rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640901.7A CN113340256A (en) | 2021-06-09 | 2021-06-09 | DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110640901.7A CN113340256A (en) | 2021-06-09 | 2021-06-09 | DN400-DN1200 centrifugal nodular cast iron pipe socket ovality detection and correction system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293793Y (en) * | 2008-11-25 | 2009-08-19 | 山东省科学院海洋仪器仪表研究所 | Digital wind measurement sensor |
| CN201544107U (en) * | 2009-11-17 | 2010-08-11 | 甘肃蓝科石化高新装备股份有限公司 | Press roller type online steel pipe derusting device |
| CN102601695A (en) * | 2012-04-12 | 2012-07-25 | 沙市轻工机械有限公司 | Dynamic simulation grinding fixture for controllable crowned roller |
| CN204881537U (en) * | 2015-08-13 | 2015-12-16 | 上海先德机械工程有限公司 | Steel pipe ovality check out test set |
| CN108414054A (en) * | 2018-05-11 | 2018-08-17 | 湖北民族学院 | Inspection well cover real-time monitoring device and system |
| CN109570279A (en) * | 2018-11-23 | 2019-04-05 | 芜湖新兴铸管有限责任公司 | The device of the automatic school circle of centrifugal ductile cast iron pipes socket |
| EP3557183A1 (en) * | 2018-04-17 | 2019-10-23 | Zumbach Electronic Ag | Method and system for measuring a product, in particular a rounded profile |
| CN211504076U (en) * | 2020-03-31 | 2020-09-15 | 芜湖新兴铸管有限责任公司 | Detection system for ovality of roller belt of centrifugal nodular cast iron pipe |
-
2021
- 2021-06-09 CN CN202110640901.7A patent/CN113340256A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293793Y (en) * | 2008-11-25 | 2009-08-19 | 山东省科学院海洋仪器仪表研究所 | Digital wind measurement sensor |
| CN201544107U (en) * | 2009-11-17 | 2010-08-11 | 甘肃蓝科石化高新装备股份有限公司 | Press roller type online steel pipe derusting device |
| CN102601695A (en) * | 2012-04-12 | 2012-07-25 | 沙市轻工机械有限公司 | Dynamic simulation grinding fixture for controllable crowned roller |
| CN204881537U (en) * | 2015-08-13 | 2015-12-16 | 上海先德机械工程有限公司 | Steel pipe ovality check out test set |
| EP3557183A1 (en) * | 2018-04-17 | 2019-10-23 | Zumbach Electronic Ag | Method and system for measuring a product, in particular a rounded profile |
| CN108414054A (en) * | 2018-05-11 | 2018-08-17 | 湖北民族学院 | Inspection well cover real-time monitoring device and system |
| CN109570279A (en) * | 2018-11-23 | 2019-04-05 | 芜湖新兴铸管有限责任公司 | The device of the automatic school circle of centrifugal ductile cast iron pipes socket |
| CN211504076U (en) * | 2020-03-31 | 2020-09-15 | 芜湖新兴铸管有限责任公司 | Detection system for ovality of roller belt of centrifugal nodular cast iron pipe |
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Application publication date: 20210903 |