CN113203382A - DN600-DN1200 nodular cast pipe bellmouth internal diameter size automatic detection system - Google Patents

DN600-DN1200 nodular cast pipe bellmouth internal diameter size automatic detection system Download PDF

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Publication number
CN113203382A
CN113203382A CN202110640896.XA CN202110640896A CN113203382A CN 113203382 A CN113203382 A CN 113203382A CN 202110640896 A CN202110640896 A CN 202110640896A CN 113203382 A CN113203382 A CN 113203382A
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CN
China
Prior art keywords
processor
detection system
diameter size
measuring sensor
inner diameter
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Pending
Application number
CN202110640896.XA
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Chinese (zh)
Inventor
王�锋
李宪锋
孙平
毛占峰
程金国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Xinxing Ductile Iron Pipes Co Ltd
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Wuhu Xinxing Ductile Iron Pipes Co Ltd
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Publication date
Application filed by Wuhu Xinxing Ductile Iron Pipes Co Ltd filed Critical Wuhu Xinxing Ductile Iron Pipes Co Ltd
Priority to CN202110640896.XA priority Critical patent/CN113203382A/en
Publication of CN113203382A publication Critical patent/CN113203382A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • G01B21/14Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters

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  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention discloses a DN600-DN1200 nodular cast iron pipe bellmouth inner diameter size automatic detection 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 inputting control detection and correction, measuring display data of the inner diameter size of the casting pipe bell mouth and judging whether the casting pipe bell mouth is qualified or not; the processor controls the operation of the measuring sensor through a measuring sensor operation servo control system, and 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 test and transmitting the stable numerical value to the processor. The automatic detection system can automatically, quickly and accurately measure, ensures that each cast pipe is detected, stores data, finds and processes products with unqualified bellmouth sizes in time, ensures the production quality and ensures the production rhythm.

Description

DN600-DN1200 nodular cast pipe bellmouth internal diameter size automatic detection system
Technical Field
The invention relates to a DN600-DN1200 automatic detection system for the inner diameter of a bell mouth of a nodular cast iron pipe.
Background
The inner diameter size of the socket of the nodular cast iron pipe is an important index for measuring the quality of the cast iron pipe and is directly related to the problem of connection and sealing of two pipes in the site construction of the cast iron pipe.
At present, the detection of the inner diameter of the socket is not provided with an effective detection means, only depends on manual detection, and has the conditions of missed detection, inaccurate detection, slow production rhythm and the like.
Therefore, an automatic detection system for the inner diameter of the bell mouth of the DN600-DN1200 nodular cast iron pipe is urgently needed to solve the technical problem.
Disclosure of Invention
The invention aims to provide an automatic detection system for the inner diameter size of a bellmouth of DN600-DN1200 nodular cast pipes, which can automatically, quickly and accurately measure, ensure that each cast pipe is detected and data is stored, timely find and process products with unqualified bellmouth sizes, ensure the production quality and ensure the production rhythm.
In order to achieve the aim, the invention provides a DN600-DN1200 nodular cast iron pipe bellmouth inner diameter size automatic detection system, which comprises an upper computer, a processor, a measuring sensor and a touch screen operation panel; wherein the content of the first and second substances,
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 control detection and correction, measuring display data of the inner diameter size of the casting pipe bell mouth and judging whether the casting pipe bell mouth is qualified or not;
the processor runs the servo control system through the measuring sensor to control the running of the measuring sensor, and 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 test and transmitting the stable numerical value to the processor.
Preferably, the measuring sensor is a plurality of measuring sensors, and the plurality of measuring sensors are used in cooperation with each other.
Preferably, the automatic detection system further comprises a high-precision signal acquisition module installed on the site and used for eliminating line signal interference.
Preferably, a mathematical model is established by matching analytic geometry and trigonometric functions according to sensor signals acquired by the measuring sensors so as to obtain the size of each position of the casting pipe socket.
Preferably, the touch screen operation panel is provided with a plurality of interfaces for personnel participation for manual intervention for rounding work.
According to the technical scheme, the test platform is installed, the semi-universal dividing head dividing disc, the scribing height gauge, the inside micrometer, the threaded micrometer and other precision instruments are used for manufacturing the installation seat of the high-precision measurement sensor, the servo system is used for controlling the sensor to move back and forth and up and down, and the measurement requirements of different tube types are met. The cast tube storage carrier roller is reformed and measured, and the requirement of production and measurement accuracy is met. And (3) additionally installing an efficient PLC module on the site, processing signals of the high-precision measurement sensor to obtain a stable numerical value, and editing a data processing program block to obtain the sizes of d1, d2, d3, d4 and d5 of the T-shaped surface of the pipe bellmouth. The process is completed automatically, and is efficient and accurate.
Therefore, the automatic detection system realizes the on-line automatic detection of the T-shaped surface of the socket of the centrifugal nodular cast iron pipe, achieves efficient and accurate measurement and control, and can repeatedly measure. Greatly reducing the labor intensity of workers, ensuring the quality of cast tubes and improving the production rhythm.
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 schematic structural diagram of a DN600-DN1200 automatic detection system for the internal diameter size of a socket of a nodular cast iron pipe provided by the invention;
FIG. 2 is a block diagram of the inner diameter detection data processing program in the automatic detection system for the inner diameter size of the bell mouth of the nodular cast iron pipe DN600-DN1200 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 and 2, the invention provides a DN600-DN1200 nodular cast iron pipe socket inner diameter size automatic detection system, which comprises an upper computer, a processor, a measuring sensor and a touch screen operation panel; wherein the content of the first and second substances,
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 control detection and correction, measuring display data of the inner diameter size of the casting pipe bell mouth and judging whether the casting pipe bell mouth is qualified or not;
the processor runs the servo control system through the measuring sensor to control the running of the measuring sensor, and 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 test and transmitting the stable numerical value to the processor.
Some casting tubes, such as T-die casting tubes, have an inner diameter that is a complex process, and therefore it is preferred that the measuring sensor be multiple and that multiple measuring sensors be used in conjunction with one another.
Furthermore, the elevation precision of the carrier roller for storing the cast tube needs to be detected and modified again, so that the measurement precision can be ensured.
The automatic detection system also comprises a high-precision signal acquisition module which is installed on the site and used for eliminating line signal interference.
In addition, a mathematical model is established by matching with analytic geometry and trigonometric functions according to sensor signals acquired by a measuring sensor so as to obtain the size of each position of the casting pipe bell mouth.
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 detection work, and operability is improved.
Through the technical scheme, the problems that the inner diameter of the socket of the nodular cast iron pipe is difficult to detect, the leakage detection is high, the workload is heavy, and the production rhythm is influenced are solved. A mathematical model is established by utilizing high-precision mechanical tools, a servo control system, high-precision detection elements and relevant knowledge of analytic geometry and trigonometric functions, and each wire-passing cast pipe is accurately measured and verified on line by matching with a PLC (programmable logic controller) software and hardware technology, so that the aim of full-automatic high-efficiency and accurate bell mouth inner diameter detection is fulfilled.
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 (5)

1. The automatic detection system for the inner diameter size of the bellmouth of the DN600-DN1200 nodular cast iron pipe is characterized by comprising an upper computer, a processor, a measuring sensor and a touch screen operation panel; wherein the content of the first and second substances,
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 control detection and correction, measuring display data of the inner diameter size of the casting pipe bell mouth and judging whether the casting pipe bell mouth is qualified or not;
the processor controls the operation of the measuring sensor through a measuring sensor operation servo control system, and 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 test and transmitting the stable numerical value to the processor.
2. The automatic detection system for the inner diameter size of the bell mouth of the nodular cast iron pipe of DN600-DN1200 of claim 1, wherein the measuring sensor is multiple and the measuring sensors are matched with each other.
3. The automatic detection system for the inner diameter size of the bellmouth of the DN600-DN1200 nodular cast iron pipe of claim 1, further comprising a high-precision signal acquisition module which is installed on site and is used for eliminating line signal interference.
4. The automatic DN600-DN1200 internal diameter dimension detection system of a nodular cast iron pipe socket according to claim 1, wherein a mathematical model is established by matching analytic geometry and trigonometric functions according to sensor signals collected by the measuring sensors to obtain the dimension of each position of the cast iron pipe socket.
5. The automatic DN600-DN1200 spheroidal graphite cast tube socket internal diameter size detection system according to claim 1, wherein a plurality of interfaces for personnel participation are arranged on the touch screen operation panel for manual intervention for roundness correction.
CN202110640896.XA 2021-06-09 2021-06-09 DN600-DN1200 nodular cast pipe bellmouth internal diameter size automatic detection system Pending CN113203382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110640896.XA CN113203382A (en) 2021-06-09 2021-06-09 DN600-DN1200 nodular cast pipe bellmouth internal diameter size automatic detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110640896.XA CN113203382A (en) 2021-06-09 2021-06-09 DN600-DN1200 nodular cast pipe bellmouth internal diameter size automatic detection system

Publications (1)

Publication Number Publication Date
CN113203382A true CN113203382A (en) 2021-08-03

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170912A (en) * 1995-12-20 1997-06-30 Kurimoto Ltd Automatic tube dimension inspection device for cast iron pipe
CN102095384A (en) * 2010-11-25 2011-06-15 天津大学 Multiparameter internal-diameter measurement system and method based on high-precision coaxial positioning
CN109540069A (en) * 2018-11-23 2019-03-29 芜湖新兴铸管有限责任公司 Ductile iron pipe bellmouth internal diameter automatic detection device
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170912A (en) * 1995-12-20 1997-06-30 Kurimoto Ltd Automatic tube dimension inspection device for cast iron pipe
CN102095384A (en) * 2010-11-25 2011-06-15 天津大学 Multiparameter internal-diameter measurement system and method based on high-precision coaxial positioning
CN109540069A (en) * 2018-11-23 2019-03-29 芜湖新兴铸管有限责任公司 Ductile iron pipe bellmouth internal diameter automatic detection device
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: 20210803

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