WO2024055449A1

WO2024055449A1 - Intelligent control system for roll grooving machine and method for roll grooving operation of pipe fitting

Info

Publication number: WO2024055449A1
Application number: PCT/CN2022/138547
Authority: WO
Inventors: 李传军; 陈卫东; 张广环; 孙敬伦; 孙允月
Original assignee: 玫德集团有限公司
Priority date: 2022-09-16
Filing date: 2022-12-13
Publication date: 2024-03-21
Also published as: CN115430747A

Abstract

An intelligent control system for a roll grooving machine and a method for roll grooving operation of a pipe fitting. The system is used for intelligently monitoring the roll grooving operation of the pipe fitting and comprises an intelligent operation display module (10), a central control module (20), a monitoring module (30), and a data acquisition communication module, wherein the data acquisition communication module comprises a first communication module (41) and a second communication module (42); the intelligent operation display module (10) is communicationally connected to the central control module (20) by means of the first communication module (41); the central control module (20) is communicationally connected to the monitoring module (30) by means of the second communication module (42); the monitoring module (30) comprises a detection module (31), a driving module (32), and a processing module (33); the detection module (31) is used for detecting states of the pipe fitting and the roll grooving machine; the processing module (33) is used for processing a signal collected by the detection module (31); and the driving module (32) is used for adjusting the states of the pipe fitting and the roll grooving machine.

Description

Intelligent control system of grooving machine and grooving operation method for pipe fittings

Cross-references to related applications

This disclosure is based on the Chinese application with application number 202211128793.6 and the filing date is September 16, 2022, and claims its priority. The disclosure content of the Chinese application is hereby incorporated into this disclosure as a whole.

Technical field

The present disclosure relates to the technical field of pipe fitting grooving, and in particular to an intelligent control system for a grooving machine and a pipe fitting grooving operation method.

Background technique

During the grooving operation of pipe fittings, it is not only necessary to complete the grooving of the pipe orifice and the correction of the bell mouth after the grooving of the pipe orifice, but also to correct the inclination of the notch in order to prevent the pipe orifice from being loosely sealed during connection. , the pipe orifice slope is out of tolerance, so it is necessary to continuously adjust the status of the grooving machine and pipe fittings during the grooving operation to process qualified grooving pipe fittings. Existing pipe fittings need to be manually monitored during grooving, and cannot automatically control the grooving operation in a timely and effective manner. The grooving operation is prone to errors, causing unnecessary economic losses. Therefore, there is an urgent need for a stable and reliable intelligent groove pressing system that can replace manual monitoring.

public content

In view of the shortcomings of current manual pipe fitting grooving, the present disclosure aims to provide a grooving machine control system and pipe fitting grooving operation method that are easy to operate and maintain, have low labor intensity, high work efficiency, and are suitable for flow operations to solve the above problems.

In the first aspect, the present disclosure provides an intelligent control system for a grooving machine, which is used to intelligently monitor the grooving operation of pipe fittings, including an intelligent display module, a central control module, a monitoring module and a data collection communication module. The data collection communication module includes The first communication module and the second communication module, the intelligent display module and the central control module are connected through the first communication module, the central control module and the monitoring module are connected through the second communication module, the intelligent display module is in the central control module The status of pipe fittings and groove pressing machines is displayed under the control of the system. The monitoring module includes a detection module, a driving module and a processing module. The detection module includes a number of sensors for detecting the status of pipe fittings and groove pressing machines. The processing module includes a number of processors. It is used to process the signals collected by the detection module. The driving module includes several drivers, which are used to adjust the status of the pipe fittings and the grooving machine under the control of the central control module.

In one possible design, the detection module includes a level sensor, a verticality sensor, a displacement sensor and a laser sensor. The level sensor is used to detect the levelness of the pipe, the verticality sensor is used to detect the verticality of the pipe, the laser sensor is used to detect whether the pipe is located on the operating table, and the displacement sensor is used to detect the downward pressure distance of the cam assembly of the groove pressing machine.

In one possible design, the drive module includes a station transfer motor driver, a spindle motor driver, a cylinder motor driver and a roller motor driver. The station transfer motor driver is used to control the movement of pipe fittings on the operating table, and the spindle motor driver is used to control the movement of pipe fittings on the operating table. In order to control the rotation of the concave wheel of the grooving machine, the cylinder motor driver is used to control the downward pressure of the cam assembly of the grooving machine. The concave wheel and the cam assembly cooperate to realize the grooving of the pipe fittings.

In one possible design, each driver in the drive module is coupled to a relay respectively, and the central control module controls the opening and closing of each driver by controlling each relay.

In a possible design, the processing module includes a displacement acquisition processor, a horizontality acquisition processor, a verticality acquisition processor and a laser acquisition processor.

In a possible design, the central control module includes a PLC controller (programmable logic controller) and a storage module. The PLC controller is used to control the intelligent display module and the monitoring module. The storage module stores information for performing the groove pressing operation. Various parameter data.

In a possible design, both the first communication module and the second communication module use the RS485 bus, and the intelligent display module uses a liquid crystal display.

In a second aspect, the present disclosure also provides a pipe fitting grooving operation method using the intelligent control system of the grooving machine, which includes the following steps:

Step S1: Detect whether the pipe fitting has been placed on the operating table, and control whether the station transmission motor driver starts working based on the detection results;

Step S2: Detect the horizontality and verticality of the pipe fittings, and control whether the roller motor driver starts working based on the detection results;

Step S3: Measure the pressing distance of the cam assembly, and based on the measurement results, control whether the cylinder motor driver and the spindle motor driver start working, and finally complete the pipe fitting creasing.

In a possible design, step S1 is specifically: using a laser sensor to detect whether the pipe fitting has been placed on the operating table, the laser acquisition processor processes the signal collected by the laser sensor, and passes the processed signal through the second communication module is passed to the central control module, which determines whether the pipe fittings have been placed on the operating table. If it is detected that the pipe fittings have not been placed on the operating table, the central control module controls the station transmission motor driver to start working to transfer the pipe fittings to on the operating table until it is detected that the pipe fitting has been placed on the operating table, and the result is transmitted to the intelligent display module through the first communication module for display.

In a possible design, step S2 specifically includes: using a level sensor and a vertical sensor to detect the pipe fitting, and the level acquisition processor and the verticality acquisition processor detect the signals collected by the level sensor and the vertical sensor respectively. Processing is carried out, and the processed signal is transmitted to the central control module through the second communication module. The PLC controller compares and judges the data represented by the processed signal with the data stored in the storage module. If the comparison results are inconsistent, the PLC controller will The central control module controls the operation of the roller motor driver and adjusts the horizontality and verticality of the pipe fittings until the comparison results are consistent; if the comparison results are consistent, it is judged that the horizontality and verticality of the pipe fittings meet the requirements of the groove pressing operation, and The intelligent display module displays that the horizontal and vertical adjustment of the pipe fitting has been completed.

In a possible design, step S3 is specifically: the central control module controls the operation of the cylinder motor driver to cause the cam assembly of the groove press to start to press down. At the same time, a displacement sensor is used to measure the pressing distance of the cam assembly, and the displacement acquisition processor The signal collected by the displacement sensor is processed, and the processed signal is transmitted to the central control module through the second communication module. The PLC controller compares the data represented by the processed signal with the pressing distance data stored in the storage module. , if the comparison results are inconsistent, the central control module controls the cylinder motor driver to continue working and adjusts the pressing distance of the cam assembly until the comparison results are consistent. When the comparison results are consistent, the central control module controls the spindle motor driver to start working to make the concave The wheel starts to rotate, and with the cooperation of the concave wheel and the cam assembly, the grooving operation of the pipe is completed, and then the intelligent display module displays that the grooving of the pipe has been completed.

The beneficial effects of this disclosure include but are not limited to:

(1) The intelligent control system of the grooving machine of the present disclosure is easy to operate, has low labor intensity and high work efficiency. It can realize real-time monitoring and operation control of the grooving operation, and can automatically adjust the status of pipe fittings and grooving machine during the grooving operation. , suitable for flow operations;

(2) In the intelligent control system of the groove press of the present disclosure, there can be multiple sets of monitoring modules and second communication modules. RS485 bus communication is used between each hardware module. The signal transmission distance is long, and one host can have multiple slaves. In order to better adapt to the working environment.

Description of drawings

Figure 1 is a schematic structural diagram of an intelligent control system for a groove press provided by an embodiment of the present disclosure;

Figure 2 is a flow chart of a pipe fitting grooving operation method using the grooving machine intelligent control system provided by an embodiment of the present disclosure;

Figure 3 is a flow chart for detecting whether the pipe fitting is placed on the operating table in the pipe fitting grooving operation method provided by the embodiment of the present disclosure;

Figure 4 is a flow chart for detecting the horizontality and verticality of pipe fittings in the pipe fitting grooving operation method provided by the embodiment of the present disclosure;

FIG. 5 is a flow chart of the groove pressing machine grooving the pipe fittings in the pipe fitting grooving operation method provided by the embodiment of the present disclosure.

Among them: 10. Intelligent computing display module; 20. Central control module; 21. PLC controller; 22. Storage module; 30. Monitoring module; 31. Detection module; 311. Level sensor; 312. Verticality sensor; 313. Displacement sensor; 314, laser sensor; 32, drive module; 33, processing module; 331, displacement acquisition processor; 332, horizontality acquisition processor; 333, verticality acquisition processor; 334, laser acquisition processor; 41. The first communication module; 42. The second communication module.

Detailed ways

In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation modes.

As shown in Figure 1, the present disclosure provides an intelligent control system for a grooving machine, which is used to intelligently monitor the grooving operation of pipe fittings, including an intelligent computing display module 10, a central control module 20, a monitoring module 30 and a data collection communication module. The data collection communication module includes a first communication module 41 and a second communication module 42. The intelligent computing display module 10 and the central control module 20 are connected through the first communication module 41. The central control module 20 and the central control module 20 are connected through the first communication module 41. The monitoring modules 30 are connected through the second communication module 42. The first communication module 41 and the second communication module 42 both use the RS485 bus. The intelligent computing display module 10 is controlled by the central control module 20. The status of pipe fittings and groove press is displayed.

The central control module 20 includes a PLC controller 21 and a storage module 22. The PLC controller 21 is used to control the intelligent computing display module 10 and the monitoring module 30. The storage module 22 stores the information for pressing the groove. For various parameters of the operation, the intelligent computing display module 10 uses a liquid crystal display.

The monitoring module 30 includes a detection module 31, a driving module 32 and a processing module 33. The detection module 31 includes a level sensor 311, a verticality sensor 312, a displacement sensor 313 and a laser sensor 314. The level sensor 311 is used for To detect the horizontality of the pipe, the verticality sensor 312 is used to detect the verticality of the pipe, and the laser sensor 314 is used to detect whether the pipe is located on the operating table. The processing module 33 includes a displacement acquisition processor 331, a horizontality acquisition processor 332, a verticality acquisition processor 333 and a laser acquisition processor 334, which are respectively used to process the signals collected by the detection module 31. The drive module 32 includes a station transfer motor driver, a spindle motor driver, a cylinder motor driver and a roller motor driver. The station transfer motor driver is used to control the movement of pipe fittings on the operating table, and the spindle motor driver is used to control the pressure. The cylinder motor driver is used to control the downward pressure of the cam assembly of the grooving machine to rotate the concave wheel of the grooving machine. The concave wheel and cam assembly cooperate to realize grooving of the pipe fittings. Each driver in the driving module 32 is coupled to a relay respectively, and the central control module 20 controls the opening and closing of each driver by controlling each relay.

Referring to Figure 2-5, the pipe fitting grooving operation method using the above-mentioned grooving machine intelligent control system includes the following steps:

S1, detect whether the pipe fitting has been placed on the operating table, and control whether the station transmission motor driver starts working based on the detection result. Specifically, use the laser sensor 314 to detect whether the pipe fitting has been placed on the operating table, and the laser acquisition processor 334 will The signal collected by the sensor 314 is processed, and the processed signal is transmitted to the central control module 20 through the second communication module 42. The central control module 20 determines whether the pipe fitting has been placed on the operating table. If it is detected that the pipe fitting has not been placed, On the operating table, the central control module 20 controls the station transmission motor driver to start working to transmit the pipe fittings to the operating table until it is detected that the pipe fittings have been placed on the operating table, and the result is transmitted to the intelligent computer through the first communication module 41 The operation display module 10 is displayed.

S2, detect the horizontality and verticality of the pipe fitting, and control whether the idler motor driver starts to work based on the detection results. Specifically, use the horizontality sensor 311 and the verticality sensor 312 to detect the pipe fitting, and the horizontality acquisition processor 332 and the verticality sensor 312. The degree acquisition processor 333 processes the signals collected by the level sensor 311 and the vertical degree sensor 312 respectively, and transmits the processed signals to the central control module 20 through the second communication module 42. The PLC controller 21 transmits the processed signals to the central control module 20. The represented data is compared and judged with the data stored in the storage module 22. If the comparison results are inconsistent, the central control module 20 controls the operation of the roller motor driver and adjusts the horizontality and verticality of the pipe fittings until the comparison results are consistent. ; If the comparison results are consistent, it is judged that the horizontality and verticality of the pipe fittings meet the requirements of the groove pressing operation, and it is displayed on the intelligent computing display module 10 that the adjustment of the horizontality and verticality of the pipe fittings has been completed.

S3, measure the pressing distance of the cam assembly, and control whether the cylinder motor driver and the spindle motor driver start to work based on the measurement results, and finally complete the pipe fitting creasing. Specifically, the central control module 20 controls the cylinder motor driver to work to make the creasing machine The cam assembly starts to press down. At the same time, the displacement sensor 313 is used to measure the pressing distance of the cam assembly. The displacement acquisition processor 331 processes the signals collected by the displacement sensor 313 and transmits the processed signals to the central processing unit through the second communication module 42. The control module 20 and the PLC controller 21 compare the data represented by the processed signal with the pressing distance data stored in the storage module 22. If the comparison results are inconsistent, the central control module 20 controls the cylinder motor driver to continue working and adjust the cam The pressing distance of the component is adjusted until the comparison results are consistent. When the comparison results are consistent, the central control module 20 controls the spindle motor driver to start working so that the concave wheel starts to rotate. With the cooperation of the concave wheel and the cam assembly, the pressing of the pipe fitting is completed. Groove operation, and then it is displayed on the intelligent computing display module 10 that the pipe fitting groove has been completed.

In the above pipe fitting grooving operation method, the central control module 20 reasonably controls the opening and closing of each driver by comparing and judging the data represented by the signals collected by each sensor and the parameter data stored in the storage module 22, thereby The pipe fittings and the grooving machine in the grooving operation are kept in a dynamic balance, thereby improving the qualification rate of the finished grooved pipe fittings.

In other embodiments, the monitoring module 30 and the second communication module 42 in the intelligent control system of the grooving machine are not limited to one set, but can be multiple sets, and can be reasonably increased according to the number of grooving machines and monitoring requirements.

Obviously, the above-mentioned embodiments are only examples for clear explanation and are not intended to limit the implementation. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. The obvious changes or changes derived therefrom are still within the protection scope of the present disclosure. Therefore, the scope of the present disclosure is determined by the appended claims.

Claims

The intelligent control system of the groove press is characterized by including an intelligent computing display module (10), a central control module (20), a monitoring module (30) and a digital acquisition communication module. The digital acquisition communication module includes a first communication module ( 41) and the second communication module (42). The intelligent computing display module (10) and the central control module (20) are connected through the first communication module (41). The central control module (20) It is connected to the monitoring module (30) through the second communication module (42). The intelligent computing display module (10) displays the status of the pipe fittings and the groove press under the control of the central control module (20). , the monitoring module (30) includes a detection module (31), a driving module (32) and a processing module (33).
The intelligent control system of the groove pressing machine according to claim 1, characterized in that the detection module (31) includes a number of sensors for detecting the status of the pipe fittings and the groove pressing machine, and the processing module (33) includes a number of sensors for detecting the status of the pipe fittings and the groove pressing machine. As for the processor that processes the signals collected by the detection module (31), the driving module (32) includes a number of drivers that adjust the status of the pipe fittings and the grooving machine under the control of the central control module (20).
The intelligent control system of the groove press according to claim 2, characterized in that the detection module (31) includes a level sensor (311), a verticality sensor (312), a displacement sensor (313) and a laser sensor (314 ), the level sensor (311) is used to detect the level of the pipe fitting, the verticality sensor (312) is used to detect the verticality of the pipe fitting, and the displacement sensor (313) is used to detect the cam assembly of the groove press. Press down distance, the laser sensor (314) is used to detect whether the pipe is located on the operating table.
The intelligent control system of the groove press according to claim 3, characterized in that the drive module (32) includes a station transmission motor driver, a spindle motor driver, an oil cylinder motor driver and a roller motor driver. The motor driver is used to control the movement of pipe fittings on the operating table, the spindle motor driver is used to control the rotation of the concave wheel of the grooving machine, and the cylinder motor driver is used to control the downward pressure of the cam assembly of the grooving machine. The concave wheel and cam assembly work together to achieve Pressure groove for pipe fittings.
The intelligent control system of the groove press according to claim 4, characterized in that each driver in the driving module (32) is coupled to a relay respectively, and the central control module (20) controls each relay to realize control of each relay. Control of drive opening and closing.
The intelligent control system of the groove press according to claim 5, characterized in that the processing module (33) includes a displacement acquisition processor (331), a horizontality acquisition processor (332), and a verticality acquisition processor (333 ) and laser acquisition processor (334).
The intelligent control system of the groove press according to claim 6, characterized in that the central control module (20) includes a PLC controller (21) and a storage module (22), and the PLC controller (21) The intelligent computing display module (10) and the monitoring module (30) perform control, and the storage module (22) stores various parameter data for the groove pressing operation.
The intelligent control system of the groove press according to claim 7, characterized in that the first communication module (41) and the second communication module (42) are both RS485 buses, and the intelligent calculation display module (10) selects LCD.
The method for performing pipe fitting grooving operations using the intelligent control system of the grooving machine as claimed in claim 7, characterized in that it includes the following steps:

Step S1: Detect whether the pipe fitting has been placed on the operating table, and control whether the station transmission motor driver starts working based on the detection results;

Step S2: Detect the horizontality and verticality of the pipe fittings, and control whether the roller motor driver starts working based on the detection results;

Step S3: Measure the pressing distance of the cam assembly, and based on the measurement results, control whether the cylinder motor driver and the spindle motor driver start working, and finally complete the pipe fitting creasing.
The method for pipe fitting grooving work according to claim 9, characterized in that step S1 specifically includes: using a laser sensor (314) to detect whether the pipe fitting has been placed on the operating table, and the laser acquisition processor (334) The signal collected by the sensor (314) is processed, and the processed signal is transmitted to the central control module (20) through the second communication module (42). The central control module (20) checks whether the pipe fittings have been placed on the operating table. Judgment, if it is detected that the pipe fitting is not placed on the operating table, the central control module (20) controls the station transmission motor driver to start working to transmit the pipe fitting to the operating table until it is detected that the pipe fitting has been placed on the operating table, and the The result is transmitted to the intelligent calculation display module (10) through the first communication module (41) and displayed.
The method for grooving pipe fittings according to claim 9, characterized in that step S2 specifically includes: using a level sensor (311) and a verticality sensor (312) to detect the pipe fittings, and the level acquisition processor ( 332) and the verticality acquisition processor (333) process the signals collected by the horizontality sensor (311) and the verticality sensor (312) respectively, and transmit the processed signals to the central control through the second communication module (42) Module (20), the PLC controller (21) compares and determines the data represented by the processed signal and the data stored in the storage module (22). If the comparison results are inconsistent, the central control module (20) controls the host. The roller motor driver works to adjust the horizontality and verticality of the pipe fittings until the comparison results are consistent; if the comparison results are consistent, it is judged that the horizontality and verticality of the pipe fittings meet the requirements of the groove pressing operation, and the information is displayed in the intelligent computing display module (10) shows that the horizontal and vertical adjustment of the pipe fittings has been completed.
The method for pipe fitting creasing operation according to claim 9, characterized in that the step S3 is specifically: the central control module (20) controls the operation of the oil cylinder motor driver to cause the cam assembly of the creasing machine to start to press down, and at the same time, The displacement sensor (313) is used to measure the pressing distance of the cam assembly. The displacement acquisition processor (331) processes the signals collected by the displacement sensor (313), and transmits the processed signals to the center through the second communication module (42). The central control module (20), the PLC controller (21) compares the data represented by the processed signal with the pressing distance data stored in the storage module (22). If the comparison results are inconsistent, the central control module (20) controls The cylinder motor driver continues to work and adjusts the pressing distance of the cam assembly until the comparison results are consistent. When the comparison results are consistent, the central control module (20) controls the spindle motor driver to start working so that the concave wheel starts to rotate. With the cooperation of the cam assembly, the grooving operation of the pipe fitting is completed, and then it is displayed on the intelligent computing display module (10) that the grooving of the pipe fitting is completed.