CN201974672U

CN201974672U - Steel pipe hollow-bending forming machine set pass adjustment control system

Info

Publication number: CN201974672U
Application number: CN2010206345879U
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: 2011-09-14
Anticipated expiration: 2020-11-30

Abstract

The utility model discloses a steel pipe hollow-bending forming machine set automatic adjustment control system, which comprises an industrial personal computer, a programmable logic controller (PLC) and motor encoders, wherein the industrial personal computer is provided with a communication card and is connected with the PLC through the communication card; the PLC is serially connected with the motor encoders through a PROFIBUS-DP bus network; and the industrial personal computer is an industrial personal computer which is provided with steel pipe hollow-bending forming machine set pass adjustment control software which is developed on the basis of Siemens configuration software WINCC. By combining the industrial personal computer, the PLC and the motor encoders, the equipment cost is decreased to one fourth of the original cost. Since the WINCC configuration software is installed on the industrial personal computer, convenient data storage and reading are realized, the rapid adjustment of machine set pass is facilitated and the production efficiency is improved.

Description

The empty bending forming machine group of a kind of steel pipe pass is adjusted control system

Technical field

The utility model relates to a kind of steel tube shaping machine group pass and adjusts control system, and the empty bending forming machine group of particularly a kind of steel pipe pass is adjusted control system.

Background technology

At present, the control system of the empty bending forming machine group of steel pipe pass adjustment adopts servo, Programmable Logic Controller PLC and touch-screen to combine on hardware and adjusts unit, deficiency below producing like this:

1. make the equipment manufacturing cost costliness with servocontrol;

2. the software data memory function of editor's touch-screen is not easily, can only store in the DB piece of Programmable Logic Controller PLC or in the file;

3. because the motor number that adopts in the unit is more, can use a lot of buttons to adjust the rotating of motor in the picture, realize the variation of different roller position, form the pass of different size steel pipe, the I/O variable is also more relatively, and the communication speed of touch-screen is also limited, makes communication speed relatively slow;

4. with the touch-screen software unit pass that simply draws, neither be very directly perceived.

Summary of the invention

Be to solve the problems referred to above that prior art exists, the utility model to design a kind of cheap, data storage convenient, reduce the I/O variable, improve communication speed and the empty bending forming machine group of the vivider steel pipe intuitively of display interface adaptive control system.

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

The empty bending forming machine group of a kind of steel pipe adaptive control system, comprise an industrial computer, Programmable Logic Controller PLC, also comprise motor encoder, on the described industrial computer address card is installed, described industrial computer is connected with Programmable Logic Controller PLC by address card, and described Programmable Logic Controller PLC is connected in series by PROFIBUS-DP bus network and a plurality of motor encoder; Described industrial computer is the industrial computer that the configuration software WINCC of Siemens and the empty bending forming machine group of the steel pipe pass adjustment Control Software that Microsoft Office ACCESS 2003 databases are foundational development are installed.

A plurality of motor encoder described in the utility model is a 50-80 motor encoder.

Programmable Logic Controller PLC described in the utility model adopts the S7-300 Programmable Logic Controller, and described address card adopts the CP5611 address card.

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

1, the utility model adopts industrial computer, Programmable Logic Controller PLC and these combination of hardware of motor encoder to get up, and has reduced equipment cost, makes equipment cost reduce to original 1/4.

2, the utility model adopts at industrial computer WinCC configuration software and Microsoft OfficeACCESS 2003 databases is installed, WINCC configuration software on the industrial computer is realized the positional value of the differential roller that reads from Programmable Logic Controller PLC is stored in the ACCESS database by the VBS script that carries, " preservation parameter " button is realized with the VBS script in the interface, whether exist by data recording in " caliber " imported on the interface and " wall thickness " searching database with the Select SQL statement in the program, if be not the record tail, the expression record exists, and then revises former record with the Update statement; If there is no, then insert new record in database with the Insert statement.When producing the different size steel pipe in the WINCC interface " reading parameter " button will be condition according to " caliber " in the interface, " wall thickness ", read out from the ACCESS database with the positional value data recording of Select where SQL statement differential roller, write the interface of WINCC, WINCC directly writes in the DB piece of Programmable Logic Controller PLC, by the operation of Programmable Logic Controller PLC control motor, adjust the position of differential roller, if record does not exist, Pop-up message prompting frame then, the reminder-data record does not exist.

By said method, thereby realize that data storage reads conveniently, make things convenient for rapid adjustment unit hole shape, enhance productivity;

3, the utility model all buttons that will control the motor forward and backward are reduced to 4 buttons and variable, the binary variable of warning variable is become the variable of being made up of word, thereby reduced a lot of binary variable numbers, have improved communication speed;

4, the utility model is inserted into the machine drawing of empty bending forming machine group in the picture by processing, thereby can see the particular location of different rollers on frame intuitively, and equipment is come into plain view.

Description of drawings

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

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a program flow diagram of the present utility model.

Fig. 3 is an industrial computer of the present utility model interface synoptic diagram.

Among the figure: 1, industrial computer, 2, Programmable Logic Controller PLC, 3, motor encoder.

Embodiment

Below in conjunction with accompanying drawing the utility model is described further.As Figure 1-3, the empty bending forming machine group of a kind of steel pipe adaptive control system, comprise an industrial computer 1, Programmable Logic Controller PLC2, also comprise motor encoder 3, on the described industrial computer 1 address card is installed, described industrial computer 1 is connected with Programmable Logic Controller PLC2 by address card, and described Programmable Logic Controller PLC2 is connected in series by PROFIBUS-DP bus network and a plurality of motor encoder 3; Described industrial computer 1 is the industrial computer 1 that the configuration software WINCC of Siemens and the empty bending forming machine group of the steel pipe pass adjustment Control Software that Microsoft Office ACCESS 2003 databases are foundational development are installed.Described a plurality of motor encoder 3 is a 50-80 motor encoder 3.Described Programmable Logic Controller PLC2 adopts the S7-300 Programmable Logic Controller, and described address card adopts the CP5611 address card.

Control method of the present utility model may further comprise the steps:

Set up I/O variable and read-write in A, the WINCC configuration software

Programmable Logic Controller PLC2 reads the revolution of different motor encoder 3 respectively by Profibus DP bus network, and the corresponding reduction formula of process converts the actual position value of differential roller to, on the Wincc picture on the industrial computer, show the position setting value of differential roller and the actual position value that reads, the limit switch detection signal, motor alerting signal etc., these numerical value or signal are set up the I/O variable in WINCC variable manager, and specify among the Programmable Logic Controller PLC2 corresponding address, WINCC is by on the seamless variable that is connected to Step 7v5.4 of the Profibus communication modes of communication driver SIMATIC S7Protocol Suite, realization is read and write in real time to actual position value and some binary warning variablees of differential roller, and the variable of reporting to the police is simultaneously become several variablees of being made up of word by original a plurality of binary variables;

WINCC on B, the industrial computer 1 makes corresponding demonstration according to the variable state on picture

WINCC picture on the industrial computer 1 with the machine drawing of empty bending forming machine group by being inserted in the picture after handling, and be presented in the picture always, when the motor in elected moves, respective rollers or motor become green, according to the I/O variable that reads, with the input and output frame positional value of differential roller is presented on the picture, according to signal condition change color indication motor, the state of limit switch, the control motor just on the picture, the variable of more than 100 button control of counter-rotating is reduced to 4 variablees of 4 button controls, these 4 variablees pass through the combination with selected electric plane No., just control different motors, counter-rotating, the position of adjustment differential roller;

C, write data in the database

Operation interface on the operation industrial computer 1, behind the pass of having debugged unit, industrial computer 1 is write the positional value of differential roller in the ACCESS database of industrial computer 1 by the VBS script;

Data in D, the read data storehouse are to picture and write among the Programmable Logic Controller PLC2

When producing, industrial computer 1 is read the positional value of the differential roller in the database on the WINCC picture of industrial computer 1 by the VBS script, and WINCC writes the positional value of these rollers in the DB piece of Programmable Logic Controller PLC2 automatically;

E, operation

Programmable Logic Controller PLC2 controls on-the-spot motor operation according to the positional value of the differential roller in the DB piece, adjusts different passes, produces the steel pipe of different size.

As shown in Figure 3, during the utility model work, the switching that different buttons carry out different frame pictures is set on the key frame of industrial computer 1, actual conditions for vivider reflection shaping machine set, each frame is as a picture, insert the synoptic diagram of corresponding frame in the picture, and be provided with the setting value and the actual value of differential roller position.The main operational steps of the utility model industrial computer 1 key frame is as follows:

B1, when needs are adjusted certain roller, at first need " working method " is chosen as " manually ", select corresponding roller or motor in the picture again, click the rotating that corresponding arrow button in the picture is controlled motor, can adjust the position of roller.In elected when this roller or motor, its color can the corresponding green that becomes, the expression selected state, and what do not choose will be grey, if motor has warning, it will become redness.The corresponding motor numbering of choosing is located to show in " line traffic control motor significance bit ".

B2, in picture, in order to adjust the position of differential roller automatically, be provided with the input frame of differential roller position, if when " working method " elected as " automatically ", and having imported each roller position setting value, Programmable Logic Controller PLC2 can adjust the relative position of differential roller automatically according to selected frame.

B3, when debugging the steel pipe of different size, the input caliber, the wall thickness correlation parameter, when the position of adjusting roller, after mixing up the steel pipe pass, click " preservation parameter " button, corresponding roller position value is stored in the ACCESS database, when producing the steel pipe of this kind specification, clicking " reading parameter " reads out the roller position value of this kind specification steel pipe and is shown on the WINCC picture from the ACCESS database, WINCC is automatically associated in the DB piece of S7-300, by the position of Programmable Logic Controller PLC2 control adjustment differential roller, to produce the steel pipe of different size.

Show also in B4, the picture whether each limit switch has signal on the unit, if signal is arranged, corresponding indication becomes green, otherwise is red.

In sum, the industrial computer 1 that the WINCC configuration software is installed not only can demonstrate the composition of equipment intuitively in factory, ruuning situation can also store the data recording of gathering in the database into, comes out to offer field apparatus by conditional information retrieval again when the needs time spent.

Claims

1. the empty bending forming machine group of steel pipe adaptive control system, comprise an industrial computer (1), Programmable Logic Controller PLC (2), it is characterized in that: also comprise motor encoder (3), described industrial computer is equipped with address card on (1), described industrial computer (1) is connected with Programmable Logic Controller PLC (2) by address card, and described Programmable Logic Controller PLC (2) is connected in series by PROFIBUS-DP bus network and a plurality of motor encoder (3).

2. the empty bending forming machine group of a kind of steel pipe according to claim 1 adaptive control system, it is characterized in that: described a plurality of motor encoders (3) are 50-80 motor encoder (3).

3. the empty bending forming machine group of a kind of steel pipe according to claim 1 adaptive control system, it is characterized in that: described Programmable Logic Controller PLC (2) adopts the S7-300 Programmable Logic Controller, and described address card adopts the CP5611 address card.