CN1326004C - Remote monitering system of full automatic special bearing grinding machine - Google Patents

Abstract

A fully automatic remote monitoring system for bearing special grinding machines, which consists of the interconnection of the electrical control components that make up the system; as the electrical control core of bearing special grinding machines, FX2N series PLC that can complete input, output and data calculation can be programmed The program controller is connected with the GP-2500 touch screen as a man-machine dialogue interface, which replaces the traditional control panel and keyboard operation, through the I/F communication cable; to complete the two-way data transmission between the programmable controller and the touch screen ; At the same time, use the integrated Ethernet interface on the touch screen to connect with the network connection line; transmit the screen information and data of the automatic bearing special grinding machine to the remote computer server, and convert it into a web page format; several computers connected to the network line The terminal browses and accesses the web pages stored in the server to realize the remote monitoring of the fully automatic bearing special grinding machine.

Description

Remote monitoring system for fully automatic bearing special grinding machine

Technical field:

The invention relates to the fields of mechanical processing and signal control, and relates to a remote monitoring system for a full-automatic bearing special grinding machine.

Bearing is an important mechanical accessory with strong versatility. Due to the regular shape of bearing products and similar process flow, it is beneficial to organize automated mass production. Grinding equipment is the most critical and complex equipment in the entire bearing production process. On the one hand, the control system needs to set and monitor many parameters and operation status prompts. If the parameters are not set correctly, it will directly affect the operation of the machine tool and the quality of the processed parts. On the other hand, due to the complex equipment of fully automatic bearing special grinding machines, there are many components for detection and execution. Although each machine tool has running status and fault prompts, due to the differences in the technical level and operating experience of the operators, it is necessary to timely and timely Correctly guide the operator to adjust or troubleshoot in due course. Otherwise, due to a simple operation error of a machine tool, the entire equipment will be shut down, causing immeasurable losses to production.

Invention content:

In order to solve the above-mentioned problems, the object of the present invention is to provide a remote monitoring system for a fully automatic bearing special grinding machine, through the PLC control program of the machine tool, the screen display and the touch screen control software with parameter presets, using computer network technology, The screen is transmitted to the remote end, so that the design, maintenance personnel and experts can understand the operation status of the equipment at the remote end, monitor the operating status of the machine tool in real time, and collect the parameter data of the machine tool in time. At the same time, according to the operating state of the machine tool, it provides users with a reasonable process route, adjusts operating parameters, and makes the machine tool run in the best state. Finally, through the status information returned by the machine tool, experts can diagnose some fault causes of the machine tool, and use the parameter settings on the monitoring screen to adjust the necessary process parameters, thereby providing convenience for on-site user debugging and maintenance. Also through the monitoring screen and data of the machine tool running status transmitted back, the on-site production status can also be evaluated.

The purpose of the present invention is achieved with the following technical solutions.

The remote monitoring system is composed of the Mitsubishi FX2N series programmable logic controller as the control core of the bearing grinding machine, which can complete the input, output and data calculation, and the target machine as the man-machine dialogue interface instead of the traditional control panel and keyboard operation. Digital company GP-2500 touch screen is connected. The combination of the two sets and displays the control parameters and data. Through the Ethernet interface on the touch screen, the screen information and data of the fully automatic bearing special grinding machine are transmitted to the remote computer server and converted into a web page format by using network control technology; At the same time, several computer terminals can be set to browse and access the specified web pages in the server, so as to achieve the purpose of remote monitoring of the fully automatic bearing special grinding machine.

Described remote monitoring system, its connection method: Japan's Mitsubishi FX2N series programmable logic controller, links to each other with the GP-2500 type touch screen of Japan Digital Company through special-purpose I/F communication cable. The I/F communication cable ensures the two-way transmission of PLC and touch screen data. On the one hand, the touch screen collects the input and output signals and data buffer contents of the programmable controller through the I/F communication cable for display and data processing; on the other hand, the programmable controller accepts the preset parameters of the touch screen to control the sequence of the machine tool .

In the remote monitoring system, a dedicated Ethernet interface is integrated on the touch screen, and when remote monitoring is required, it is connected to a remote server by means of a network cable. The server is equipped with Pro-Server software and GP-WEB network service software that convert the touch screen into web page format. Opening the converted webpage in the server can monitor the screen of the touch screen in real time to achieve the purpose of monitoring the working status of the entire machine tool. Other computer terminals on the Internet can also access the webpage through network cables, and share screen images and data information.

The remote monitoring system is composed of programmable controller control software; GP series touch screen control software that can display the working state of the machine tool, has man-machine dialogue function, and can be reflected by the remote monitoring terminal. The programmable logic controller (PLC) continuously scans the control program in its memory by collecting various signals set in the grinding machine, and generates corresponding output control signals through a series of judgments and data processing, respectively controlling the positioning of the machine tool servo motor, The speed adjustment of the AC motor, and the sequential step-by-step chain control of each execution action.

In the monitoring system described above, a manual adjustment program is provided in the PLC control program of the machine tool for debugging the machine tool. In the preparation of the machine tool adjustment program, the interlocking requirements of each action are fully considered, and a large amount of randomly occurring interlocking information is added and added to the machine tool. displayed on the touch screen.

In the monitoring system, its automatic program completes the automatic control of the machine tool. According to the working process and monitoring requirements of the equipment, the sequential step-by-step chain control method is adopted between the actions that occur sequentially. Only when the previous action is completed can the next action be performed. This is also helpful for remote monitoring and provides a basis for judging whether the machine tool is normal.

In the monitoring method of the monitoring system, the GP-2500 touch screen used can display the man-machine dialogue screen of the machine tool and meet the requirements of parameter setting, status indication and data calculation. On this basis, dozens of touch display screens such as manual adjustment, operation monitoring, and parameter preset are designed. At the same time, use the Ethernet interface of the touch screen to transmit to the remote computer through the network, and use special software to convert the touch screen screen and data into HTML format for monitoring by multiple computers.

The process of setting parameters on the touch screen in the monitoring method is: touch the function box of the parameter to be preset on the touch screen, at this time the touch screen prompts the range of the parameter preset, if it meets the requirements, enter the next parameter preset, otherwise an alarm will be generated The message indicates an operation error.

In the monitoring method, the touch screen can display the status of each working step of the automatic cycle. In automatic work, the machine tool operator can use this information to grasp the working status of the equipment; in manual adjustment, the operator can be guided to adjust the machine tool quickly and accurately according to the interlocking conditions.

In the remote monitoring system for fully automatic bearing-specific grinding machines, Pro-Server is a dedicated data acquisition software for touch screens. The working process is: first set the IP address of the touch screen and the computer as the server. Use the software to search the touch screen and server on the network, and then determine the name, IP address and PLC type of each device. GP-WEB is a set of software that can carry out network remote control through the Internet. It only exists in the computer as the server, and there is no need to install any software related to it on the client side. Relevant users only need to visit the relevant web pages of the server to achieve the purpose of remote monitoring. Start GP-WEBCompiler, set the touch screen project file, output data path and file name, and then perform simple operations, the program can complete the web page conversion within a few minutes and save it on the relevant web page on the server. Open the Explorer on the computer connected to the Internet, enter the relevant web page of the server, and the monitored pictures and data can be displayed on the computer screen in a timely manner.

Owing to adopting above-mentioned technical scheme, the present invention has following advantage:

Obviously, the touch screen is a bridge built between the fully automatic bearing special grinding machine and the remote monitoring computer. With the help of the touch screen, the remote computer can complete data collection and screen conversion; at the same time, the parameters set by the touch screen are provided to the PLC to complete the control task. The entire working process of the fully automatic bearing special grinding machine can be reflected in the remote monitoring computer in real time through the network. By monitoring the images on the computer screen, technicians can judge whether the machine tool is running normally, whether the operator is debugging correctly, and implement monitoring in a timely manner.

Graphic description:

Figure 1 is a hardware composition diagram of the remote monitoring system for a fully automatic bearing special grinder:

Figure 2 is a flow chart of the remote monitoring system for fully automatic bearing grinding machines:

Figure 3 is a block diagram of the automatic program of the fully automatic bearing special grinding machine:

Figure 4 is a block diagram of the manual adjustment program of the fully automatic bearing special grinder:

As shown in Figure 1: 1-programmable program controller, 2-I/F special communication cable, 3-GP-2500 touch screen, 4-Ethernet interface, 5-network cable, 6-remote server, 7-other computer terminals on the network, 8-network connection line.

Specific examples:

As shown in Figures 1 and 2: the remote monitoring system for fully automatic bearing grinding machines is composed of Mitsubishi FX2N series programmable controllers, which are the control core of bearing grinding machines and can complete input, output and data calculations, and communicate with man-machines The interface replaces the traditional control panel and is connected to the touch screen GP operated by the keyboard. Through the Ethernet interface on the touch screen, use the network control technology to transmit the screen information and data of the automatic bearing special grinding machine to the remote computer server and convert it into a web page format; at the same time, several computer terminals can be set to browse and access the specified in the server The website, and then achieve the purpose of remote monitoring of the automatic bearing special grinding machine.

As shown in Figure 3, the full-automatic control program block diagram: After the automatic program start-up conditions are met, the automatic operation program uses the method of index transfer to complete the control. The specific process is: according to the work flow and monitoring requirements of the equipment, between the actions that occur sequentially, the jumping position of the program address is different, and the sequential step chain control is completed. Only when the previous action is completed, the next action can be carried out. . This is helpful for machine tool control and remote monitoring. At the same time, it provides a basis for judging which step the machine tool is working in and whether the work is normal.

As shown in Figure 4 PLC manual adjustment program block diagram: in the machine tool adjustment program compilation, according to the state requirements of manual adjustment, fully consider the interlocking requirements of each action, and the advance and retreat of each step are controlled by the interlocking program.

The remote monitoring system for fully automatic bearing special grinder completes the automatic control through the following procedures:

1. Compile the PLC control program of each machine tool according to the control requirements of the automatic bearing special grinding machine

2. With the help of the touch screen editing software, according to the requirements of the processing technology of the automatic bearing special grinding machine,

Design touch screen control program. Its screen consists of manual adjustment, operation monitoring, parameter preset, status guide, etc.;

3. Use Pro-Server special software to sample and process the screen images, operating parameters and prompt information of the fully automatic bearing special grinding machine;

4. The collected data and screen information are transmitted to the computer set as the server through the Ethernet interface of the touch screen;

5. With the help of GP-WEB special software, the server converts the touch screen screen and data into HTML format, and saves it in the specified web page;

6. The server can display screen images and real-time data for monitoring and analysis by relevant personnel; it can also be browsed by other computers on the Internet to monitor the operating status and various parameters and data of the fully automatic bearing special grinding machine;

7. The technicians analyze the data on any monitoring terminal and correct the operating parameters of the corresponding equipment;

8. Send back the correct operating parameters of the machine tool to each touch screen and programmable logic controller (PLC) to complete the remote service function;

9. For the faults caused by the automatic line, the technicians can judge the possible problems or incorrect parameter settings of the machine tool by monitoring the images and data on the computer screen. Modify the parameters according to the actual situation, and use the screen image at the remote end to guide and eliminate mechanical failures caused by improper operation.

Claims (6)

1, a kind of long distance control system of full-automatic bearing special purpose grinder is characterized in that: the network connection control system that has adopted touch-screen, programmable controller (PLC), Ethernet to make up in the described long distance control system; Long distance control system is by as bearing special purpose grinder electrical control core, can finish the Mitsubishi FX2N programmable controller (1) of input, output and data operation, have man-machine dialog interface, can show the lathe duty with conduct, and have the Japanese Digital GP of company one 2500 touch-screens (3) of Ethernet interface, connect the data double-way transmission of finishing between programmable controller and the touch-screen by I/F communication cable (2); Utilize dedicated ethernet interface (4) integrated on the touch-screen, be sent on the far-end server (6) by the data and the image information of grid line with the bearing special purpose grinder; Be equipped with on the server and will touch Pro-Server and the GP-WEB network service software that picture conversion becomes webpage format; Online other terminal (7) is by netting twine (8) also addressable this webpage, shared data and image information.

2, the long distance control system of full-automatic bearing special purpose grinder as claimed in claim 1, it is characterized in that: described long distance control system, programmed control with control system touch-screen side and PLC side is synthetic image, the data processing of support, and its control program partly comprises: finish full-automatic bearing special purpose grinder Sequence Control of PLC control program; And the edit routine that touches picture as the GP-2500 touch-screen of lathe man-machine dialog interface.

3, full-automatic bearing special purpose grinder long distance control system as claimed in claim 2 is characterized in that: the PLC control program of described long distance control system:

A, its adjustment program are provided with for the debugging lathe, in adjusting program composition, have taken into full account the chain requirement of each action, and a large amount of linkage informations that occur at random of adding also show on touch-screen;

B, its auto-programming are according to the technological process and the monitoring requirement of grinding machine, between the action of finishing successively, employing order stepping linkage mode is controlled, and has only a last action to finish, next action just can be carried out, and for judging whether lathe work normally provides foundation.

4, full-automatic bearing special purpose grinder long distance control system as claimed in claim 2, it is characterized in that: the edit routine of the touch picture of described long distance control system touch-screen can combine with PLC Machine-Tool Control parameter, service data are provided with and show; The tens of width of cloth of manual adjustment, operation monitoring, the preset parameter of design touch display frame, have described control procedure, and the requirement of bearing grinder processing technology has been satisfied in its control, can guiding operation person adjust, safeguard lathe.

5, as claim 2 or 4 described full-automatic bearing special purpose grinder long distance control systems, it is characterized in that: described long distance control system, the flow process that parameter is set on the touch picture by the edit routine that touches picture is: touch the functional block of the preset parameter of wanting on picture, the scope of the preset parameter of touch-screen prompting at this moment; Behind the preset parameter, then enter next preset parameter, otherwise produce warning message, prompting operation mistake if meet the requirements.

6, as the long distance control system of claim 1,2 described full-automatic bearing special purpose grinders, it is characterized in that: the control flow of described long distance control system:

A, require the PLC control program of establishment lathe according to the control of full-automatic bearing special purpose grinder;

B, by the touch-screen software for editing, according to the requirement of self-acting grinding machine processing technology, design touches picture, its picture is made up of manual adjustment, operation monitoring, preset parameter, state guide;

C, utilize special software that screen-picture, operational factor, the information of full-automatic bearing special purpose grinder are sampled, handled;

D, collected data and the touch-screen image information Ethernet interface by touch-screen is sent to far-end and is set as in the computing machine of server;

E, server are html format by special software conversion touch-screen image information and data, are kept in the webpage of setting;

But f, this server be display screen and real time data both, for relevant personnel's monitoring, analysis; Also monitoring running status and various parameter, data can be browsed for online other computing machine;

G, technician analyze data on any monitor terminal, and can make amendment to the operational factor of its equipment;

H, give every touch-screen and programmable controller (PLC), finish remote service functions correct lathe operational factor loopback.

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