CN205353721U - Control system that straightening machine clearning between rolls was used - Google Patents
Control system that straightening machine clearning between rolls was used Download PDFInfo
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- CN205353721U CN205353721U CN201520995247.1U CN201520995247U CN205353721U CN 205353721 U CN205353721 U CN 205353721U CN 201520995247 U CN201520995247 U CN 201520995247U CN 205353721 U CN205353721 U CN 205353721U
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Abstract
The utility model discloses a control system that straightening machine clearning between rolls was used, include: the mechanical floor, this mechanical floor is including the displacement sensor who is used for gathering clearning between rolls numerical value, the converter that is used for controlling the straightening machine action, on -the -spot layer, on -the -spot layer is including PLC, this PLC adopts S7 315 -2PNDP controller, and PLC passes through the SM338 module and is connected with displacement sensor's output terminal electricity, PLC passes through the SM331 module and is connected with control high frequency response proportional flow valve electricity, and monitoring layer, monitoring layer includes industrial computer and touch -sensitive screen, the industrial computer passes through the data line and is connected with the touch -sensitive screen, the industrial computer carries out data interchange through industrial ethernet with S7 315 -2PNDP controller, the S7315 -2PNDP controller passes through the profibus -DP bus and is connected with the converter electricity. The utility model has the characteristics of degree of automation is high, work efficiency is high, the fault rate is low, easy operation, easy maintenance.
Description
Technical field
This utility model relates to straightener technical field, more particularly, it relates to the control system of a kind of straightener roll gap.
Background technology
Straightener is the finishing equipment in seamless steel tube production process, and straightener, by the rectification to steel pipe, improves the linearity of steel pipe, corrected the ovality of steel pipe, it is ensured that machining accuracy, improve lumber recovery.The control system of straightener is had the required precision of height by this straightener, and the steel pipe linearity after aligning, ovality compare existing straightener large increase.
Utility model content
The technical problems to be solved in the utility model is: provide the control system of a kind of straightener roll gap, it is intended to improve the precision of existing straightener.
This utility model is adopted the technical scheme that by the technical problem solving to exist in known technology:
The control system of a kind of straightener roll gap, at least includes:
Mechanical floor；This mechanical floor includes the displacement transducer for gathering roll gap numerical value, for controlling the converter of straightener action；
Field layer；This field layer includes PLC；This PLC adopts S7315-2PN/DP controller, and this PLC is electrically connected with the lead-out terminal of displacement transducer by SM338 module；This PLC is electrically connected with controlling high frequency response proportional flow control valve by SM331 module；
And supervisory layers；This supervisory layers includes industrial computer and touch screen；This industrial computer is connected with touch screen by data wire；Wherein:
Described industrial computer carries out data exchange by EPA and S7315-2PN/DP controller；Described S7315-2PN/DP controller is electrically connected with converter by profibus-DP bus.
Further: the quantity of described converter is four.
This utility model has the advantage that and has the benefit effect that
By adopting technique scheme, this utility model utilizes industrial computer and Programmable Logic Controller to realize the Digital Control to straightener, compared with traditional Mechanical course, has higher control accuracy；By adopting displacement transducer Real-time Collection roll gap numerical value so that the operating mode at the engineer scene of can grasping in time, it is simple to adjust in time as required.
Accompanying drawing illustrates:
Fig. 1 is the system construction drawing of this utility model preferred embodiment.
Detailed description of the invention
For utility model content of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Refer to Fig. 1, the control system of a kind of straightener roll gap, including:
Mechanical floor；This mechanical floor includes the displacement transducer for gathering roll gap numerical value, for controlling the converter of straightener action；
Field layer；This field layer includes PLC；This PLC adopts S7315-2PN/DP controller, and this PLC is electrically connected with the lead-out terminal of displacement transducer by SM338 module；This PLC is electrically connected with controlling high frequency response proportional flow control valve by SM331 module；
And supervisory layers；This supervisory layers includes industrial computer and touch screen；This industrial computer is connected with touch screen by data wire；Wherein:
Described industrial computer carries out data exchange by EPA and S7315-2PN/DP controller；Described S7315-2PN/DP controller is electrically connected with converter by profibus-DP bus.
Further: the quantity of described converter is four.
Above preferred embodiment is made up of industrial computer, PLC, digital displacement sensor；
Described Industrial Control Computer and described PLC are communicatively coupled according to ICP/IP protocol, can set, detect roll gap numerical value；
Described PLC controls high frequency response proportional flow control valve by analog output module and regulates roll gap numerical value；
Described digital displacement sensor detects roll gap numerical value in real time by PLC position control module；
The Automated condtrol of Novel straightener is realized with PID control method.
Industrial computer, with Wincc configuration human-machine interface, is connected with setting up for EPA communication modes between PLC, for setting the roll gap numerical value of manufacturing technique requirent, and the real-time roll gap numerical value of display displacement transducer detection；
PLC adopts S7315-2PN/DP controller, the value of feedback of displacement transducer is accepted by SM338 module, calculated by PID, SM331 module output analog quantity electric current controls high frequency response proportional flow control valve and controls roll gap numerical value, overcome the unstability of conventional straightener roll gap regulation, also improve the rapidity of adjustment simultaneously.
Mechanical floor network is extended frame with electric controling element with described PLC by Site Detection element and carries out closed-loop communication.Compared with conventional straightener, the accuracy of roll gap regulation substantially increases.Described adapter extends between frame at PLC and PLC.
This automation control system integrates frequency conversion drive, PLC controls, sensor detecting.Accurate instrumentation, PLC and wincc software programming combine, and data acquisition and various adjustable parameter set, and meet, plurality of specifications straightener demand, overcome the unicity in the past aligning specification.
This utility model, by adopting technique scheme, has automaticity height, work efficiency height, failure rate is low, feature simple to operate, easy to maintenance.
Above embodiment of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model, it is impossible to be considered for limiting practical range of the present utility model.All equalizations made according to this utility model application range change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (2)
1. the control system of a straightener roll gap, it is characterised in that: at least include:
Mechanical floor；This mechanical floor includes the displacement transducer for gathering roll gap numerical value, for controlling the converter of straightener action；
Field layer；This field layer includes PLC；This PLC adopts S7315-2PN/DP controller, and this PLC is electrically connected with the lead-out terminal of displacement transducer by SM338 module；This PLC is electrically connected with controlling high frequency response proportional flow control valve by SM331 module；
And supervisory layers；This supervisory layers includes industrial computer and touch screen；This industrial computer is connected with touch screen by data wire；Wherein:
Described industrial computer carries out data exchange by EPA and S7315-2PN/DP controller；Described S7315-2PN/DP controller is electrically connected with converter by profibus-DP bus.
2. the control system of straightener roll gap according to claim 1, it is characterised in that: the quantity of described converter is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995247.1U CN205353721U (en) | 2015-12-02 | 2015-12-02 | Control system that straightening machine clearning between rolls was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995247.1U CN205353721U (en) | 2015-12-02 | 2015-12-02 | Control system that straightening machine clearning between rolls was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353721U true CN205353721U (en) | 2016-06-29 |
Family
ID=56152513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520995247.1U Expired - Fee Related CN205353721U (en) | 2015-12-02 | 2015-12-02 | Control system that straightening machine clearning between rolls was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547247A (en) * | 2016-09-18 | 2017-03-29 | 天津市友发德众钢管有限公司 | A kind of roll distance measurement system and method based on dragline type sensor |
-
2015
- 2015-12-02 CN CN201520995247.1U patent/CN205353721U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547247A (en) * | 2016-09-18 | 2017-03-29 | 天津市友发德众钢管有限公司 | A kind of roll distance measurement system and method based on dragline type sensor |
| CN106547247B (en) * | 2016-09-18 | 2019-03-15 | 天津市友发德众钢管有限公司 | A kind of roll distance measurement system and method based on dragline type sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20161202 |