CN202038006U

CN202038006U - Control system of length measuring, weighting and printing device for steel tube

Info

Publication number: CN202038006U
Application number: CN2010206354331U
Authority: CN
Inventors: 马丽; 高国鸿; 任丽丽
Original assignee: DALIAN SANGAO HEAVY INDUSTRY EQUIPMENT Co Ltd
Current assignee: DALIAN SANGAO HEAVY INDUSTRY EQUIPMENT Co Ltd
Priority date: 2010-11-30
Filing date: 2010-11-30
Publication date: 2011-11-16
Anticipated expiration: 2020-11-30

Abstract

The utility model discloses a control system of a length measuring, weighting and printing device for a steel tube, which comprises a second level server, an industrial personal computer, a programmable logic controller (PLC), a weighting meter, a marking machine and a printer. The industrial personal computer is connected with the PLC through a Profibus decentralized periphery (DP) bus mode. The PLC is communicated with the weighting meter through the Profibus DP. Self developed control software with extended functions by customers is installed in the industrial personal computer. The control method of the control system comprises real time information reading, system parameter setting, code porting, real time statistics, storing and line printing and report printing. A serial communication on the industrial personal computer is reduced in the connection of hard wares, that is, a load of the industrial personal computer is reduced, thereby improving system stability and communication speed. The software utilizes visual basic (VS) and power builder (PB) program, thereby realizing facts that the software can be updated and the functions can be expanded.

Description

A kind of steel pipe is surveyed the control system of the long code-spraying equipment of weighing

Technical field

The utility model relates to a kind of steel pipe and surveys the long code-spraying equipment of weighing, particularly a kind of steel pipe is surveyed grow, weighs, the data acquisition of code-spraying equipment, storage, information sends and the steel pipe of data query is surveyed the weigh control system of code-spraying equipment of length.

Background technology

At present, in the steel tube factory survey of steel pipe long, weigh and code-spraying equipment, mainly finish by Programmable Logic Controller PLC, weighing instrument, ink jet numbering machine, industrial computer and configuration software, weighing instrument and ink jet numbering machine all adopt serial communication mode and industrial computer communication.Because length is read by Programmable Logic Controller PLC, with the combinable software of Programmable Logic Controller PLC mainly be configuration software, so can only be that platform removes to realize the equipment required function with configuration software, as: configuration softwares such as the KingView Kingview of inferior control, the Wincc of Siemens and Intuch are finished, but these softwares have the following disadvantages:

1, the serial communication function of weighing instrument and ink jet numbering machine needs industrial control software producer to provide, and own exploitation is not very convenient;

2, data query and report printing can not allow people follow one's bent, and want what pattern will what pattern, have certain limitation;

3, real-time line printing function implements and is not very convenient.

Summary of the invention

Be to solve the problems referred to above that prior art exists, the utility model will design and a kind ofly can make things convenient for the client to develop the control system of surveying the long code-spraying equipment of weighing with the steel pipe of function expansion voluntarily.

To achieve these goals, the technical solution of the utility model is as follows:

A kind of steel pipe is surveyed the control system of the long code-spraying equipment of weighing, comprise secondary server, industrial computer, Programmable Logic Controller PLC, weighing instrument, ink jet numbering machine and printer, described industrial computer is connected with printer with ink jet numbering machine respectively with the parallel port by serial ports, and be connected with secondary server by reciprocity netting twine simultaneously, described industrial computer is connected with Programmable Logic Controller PLC by Profibus DP bus mode, Programmable Logic Controller PLC is again by Profibus DP bus mode and weighing instrument communication, and described industrial computer is the client to be installed can develop the industrial computer of surveying the control software of the long code-spraying equipment of weighing with the steel pipe of expanded function voluntarily.

Industrial computer described in the utility model is to grind magnificent board industrial computer, comprises CP5611 card, COM serial port and the LPT1 parallel port of Siemens; Described Programmable Logic Controller PLC is the CPU315-2DP Programmable Logic Controller; Described weighing instrument is a holder benefit weighing instrument; Described ink jet numbering machine is Mei Keda MARKTEC ink jet numbering machine or riel REA ink jet numbering machine; Described printer is Epson line printer EPSONLQ 670K ⁺

Compared with prior art, the utlity model has following beneficial effect:

1, since the utility model on hardware connects the serial communication of weighing instrument and industrial computer, made the Profibus DP communication modes of weighing instrument and Programmable Logic Controller PLC into, reduced a serial communication on the industrial computer, be equivalent to reduce by a load to industrial computer, the stability and the communication speed of system have been improved, software adopts VB, PB programming, communication is driven write conveniently, spray printing information can be added at any time, be deleted, the spray printing order can be adjusted at any time, report style is versatile and flexible, thereby has realized that software is renewable, function can be expanded.

2, the Prodave v5.6 kit that the utility model utilizes Siemens to provide combines the Step 7 v5.4 softwares of VB and Programmable Logic Controller PLC, carry out steel pipe length, weight, the pipe real-time data acquisition, the quality pipe is judged, line printing in real time, the data storage, inquiry, functions such as report printing, automatically required spray printing information is sent to Mei Keda ink jet numbering machine or riel ink jet numbering machine by serial ports, it is long to carry out on-line automatic survey, weigh, functions such as coding, also can well combine, configuration function and management function are integrated in the software with the management system of secondary server.

Can be saved in the notepad automatically with the Print function when 3, some systematic parameters of coding information of the present utility model and steel pipe log off, reading parameter with line input function from notepad when reruning software needn't re-enter, only need to revise the relevant information that to change, reduced staff's workload and repetitive operation like this.

4, spray printing information option of the present utility model can add field to " can supply the spray printing list box " by " interpolation " button, simultaneously also can pass through " deletion " button, the delete columns list item, add in " having selected the spray printing list items " by " moving to left " and " moving to right " two buttons, by " on move ", " moving down " button, adjust the spray printing order, simple, convenient quick, flexibility enhancing.

5, industrial computer of the present utility model is according to the information among the Programmable Logic Controller PLC, the duty that on main interface, shows each station, show data such as length, weight and Guan Hao when steel pipe is arranged, video data not when steel pipe is lifted by step device has been realized the real-time tracking function.

Description of drawings

2 in the total accompanying drawing of the utility model, wherein:

Fig. 1 is a hardware connection diagram of the present utility model;

Fig. 2 is a program circuit schematic diagram of the present utility model;

Among the figure: 1, secondary server, 2, industrial computer, 3, Programmable Logic Controller PLC, 4, weighing instrument, 5, ink jet numbering machine, 6, printer.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further.As shown in Figure 1, a kind of steel pipe is surveyed the control system of the long code-spraying equipment of weighing, comprise secondary server 1, industrial computer 2, Programmable Logic Controller PLC3, weighing instrument 4, ink jet numbering machine 5 and printer 6, described industrial computer 2 is connected with printer 6 with ink jet numbering machine 5 respectively with the parallel port by serial ports, and be connected with secondary server 1 by reciprocity netting twine simultaneously, described industrial computer 2 is connected with Programmable Logic Controller PLC3 by Profibus DP bus mode, Programmable Logic Controller PLC3 is again by Profibus DP bus mode and weighing instrument 4 communications, and described industrial computer 2 is the client to be installed can develop the industrial computer 2 of surveying the control software of the long code-spraying equipment of weighing with the steel pipe of expanded function voluntarily.Described industrial computer 2 is to grind magnificent board industrial computer 2, comprises CP5611 card, COM serial port and the LPT1 parallel port of Siemens; Described Programmable Logic Controller PLC3 is the CPU315-2DP Programmable Logic Controller; Described weighing instrument 4 is holder benefit weighing instruments; Described ink jet numbering machine 5 is Mei Keda MARKTEC ink jet numbering machine or riel REA ink jet numbering machine; Described printer 6 is Epson line printer EPSONLQ 670K ⁺

Shown in Fig. 1-2, control method of the present utility model may further comprise the steps:

A, read information in real time

The Prodave v5.6 kit that industrial computer 2 provides by Siemens goes to read the information needed such as length, weight and Guan Hao of each station steel pipe among the Programmable Logic Controller PLC3 in real time;

B, systematic parameter are set

On the main interface of industrial computer 2, click " systematic parameter " button and enter the systematic parameter interface, in this interface input system parameter; Described systematic parameter comprises: the caliber of steel pipe during device fabrication, wall thickness, initial pipe number, length and weight upper and lower limit; Heat (batch) number, lot number, grade of steel, standard, contract number that spray printing is required; The adjustment and the spray printing information preview of the interpolation deletion of the selection of the metric and English selection during spray printing, the weight of weighing, theoretical weight, the selection of spray printing font size, spray printing option, spray printing order;

C, code are transplanted

During the equipment operation, Programmable Logic Controller PLC3 judges the quality pipe according to the length of the steel pipe of setting from industrial computer 2 and the bound of weight, the pipe of having thought that meets the bound requirement, finish steel tube number and add 1, otherwise steel tube number does not add 1, when steel pipe moves on to weighing station, if bad pipe, modification value window can be ejected in main interface on the industrial computer 2, can revise its pipe number, length and gravimetric value;

D, real-time statistics, storage, line printing

Industrial computer 2 utilizes the komfort.dll of kit the inside and function that two dynamic link libraries of w95_s7.dll provide to read data among the S7300 of Programmable Logic Controller PLC3; Can load and being connected of Programmable Logic Controller PLC3 by the load_tool function in the program, utilize the New_ss function to connect, call e_field_read then, a_field_read, m_field_read, db_read, e_field_write, a_field_write, m_field_write and db_write function come the input point among the Programmable Logic Controller PLC3, output point, data in intermediate point and the DB piece are carried out read-write operation, when program withdraws from, calling the unload_tool function unloads, and being connected of disconnection and Programmable Logic Controller PLC3, the data length among the Programmable Logic Controller PLC3, data in real time such as weight and Guan Hao reads out, or analog value is write among the Programmable Logic Controller PLC3 controlled output signal as required;

Described industrial computer 2 is according to the information among the Programmable Logic Controller PLC3, shows the duty of each station on main interface, shows data such as length, weight and Guan Hao when steel pipe is arranged, video data not when steel pipe is lifted by step device;

Described industrial computer 2 is dynamically connected certainly when the coding station has pipe and generates the required spray printing information of spray printing, and send to ink jet numbering machine 5 controllers by serial ports and carry out online spray printing, meanwhile add up into radical, length and the weight of substandard products, information such as length, weight, pipe number and relevant heat (batch) number, lot number, class number are carried out online line printing with functions such as OpenPrinter, StartDocPrinter, EndPagePrinter, and mass data is stored in SQL Server 2000 databases with the Insert statement;

Described spray printing information comprises heat (batch) number, lot number, contract number, standard, grade of steel, pipe number, length and weight;

E, printing reports

The data query of industrial computer 2 adopts Power Builder 8.0 softwares, generates an executable file, carries out the inquiry of data record according to user right, revises and deletion, and requires to be made into various forms according to producer and carry out the data statistics printing.

The systematic parameter of coding information described in the utility model and steel pipe is saved in the notepad automatically with the Print function when industrial computer 2 logs off, and uses line input function reading system parameter from notepad when reruning system.Described spray printing information is selected by " spray printing information " on industrial computer 2 " systematic parameter " interface, add field to " can supply the spray printing list box " by " interpolation " button, simultaneously also can pass through " deletion " button, the delete columns list item, add in " having selected the spray printing list items " by " moving to left " and " moving to right " two buttons, adjust the spray printing order by " on move ", " moving down " button.

The utility model realized a kind of steel pipe survey grow, weigh, the function of the real-time monitoring of code-spraying equipment software, data acquisition, data storage, line printing, report printing, online spray printing, software interface is directly perceived, simple to operate, highly versatile, system stability, the function of management software and configuration software is integrated together, makes things convenient for execute-in-place and management.

Claims

1. a steel pipe is surveyed the control system of growing the code-spraying equipment of weighing, comprise secondary server (1), industrial computer (2), Programmable Logic Controller PLC (3), weighing instrument (4), ink jet numbering machine (5) and printer (6), described industrial computer (2) is connected with printer (6) with ink jet numbering machine (5) respectively with the parallel port by serial ports, and be connected with secondary server (1) by reciprocity netting twine simultaneously, it is characterized in that: described industrial computer (2) is connected with Programmable Logic Controller PLC (3) by Profibus DP bus mode, Programmable Logic Controller PLC (3) is again by Profibus DP bus mode and weighing instrument (4) communication, and described industrial computer (2) is the client to be installed can develop the industrial computer (2) of surveying the control software of the long code-spraying equipment of weighing with the steel pipe of expanded function voluntarily.

2. a kind of steel pipe according to claim 1 is surveyed the control system of the long code-spraying equipment of weighing, and it is characterized in that: described industrial computer (2) comprises CP5611 card, COM serial port and LPT1 parallel port; Described Programmable Logic Controller PLC (3) is the CPU315-2DP Programmable Logic Controller.