CN106040751A - On-off control system of rolling mill - Google Patents
On-off control system of rolling mill Download PDFInfo
- Publication number
- CN106040751A CN106040751A CN201610534523.3A CN201610534523A CN106040751A CN 106040751 A CN106040751 A CN 106040751A CN 201610534523 A CN201610534523 A CN 201610534523A CN 106040751 A CN106040751 A CN 106040751A
- Authority
- CN
- China
- Prior art keywords
- milling train
- control system
- slave station
- direct current
- station plc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/46—Roll speed or drive motor control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention discloses an on-off control system of a rolling mill, and the on-off control system is used for controlling the rolling mill. The on-off control system of the rolling mill comprises a master station PLC, a slave station PLC and a direct-current speed regulating device, wherein the slave station PLC and the direct-current speed regulating device are electrically connected to the master station PLC; the slave station PLC and the direct-current speed regulating device are connected in a parallel mode; and the direct-current speed regulating device is connected to a rolling mill drive motor. According to the technical scheme, the on-off control system of the rolling mill can be independently controlled by the master station PLC relative to the slave station PLC and the direct-current speed regulating device, so that when the slave station PLC has faults, work of the direct-current speed regulating device is not affected, and stability of the control system is improved in a control process of the rolling mill.
Description
Technical field
The present invention relates to steel rolling manufacture field, especially a kind of milling train start-stop control system.
Background technology
Modernization Rolling production equipment controls to be all based on the complex control system that communication network is formed, general control flow process
For: main website PLC and slave station PLC carries out communication, transmits, signals such as milling train start and stop then by slave station PLC to DC speed regulation
Device transmission control signal (most of milling trains are by DC motor Driver), direct current speeder starts and controls milling train and drives electricity
Machine.Due to main website PLC, slave station PLC, arrangements for speed regulation composition be train, can directly force when slave station PLC breaks down
Information transmission is interrupted, and direct current speeder cannot receive enabling signal, causes milling train to open simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of milling train start-stop control system, and it is steady that it can make that system works
Qualitative it is improved.
For solving above-mentioned technical problem, the present invention relates to a kind of milling train start-stop control system, it is for controlling milling train
System；Described milling train start-stop control system includes main website PLC, slave station PLC and direct current speeder, and described slave station PLC is with straight
Stream arrangements for speed regulation are all electrically connected with main website PLC, and use parallel way to carry out even between slave station PLC and direct current speeder
Connect；Described direct current speeder is connected with drive motor of the rolling mill.
As a modification of the present invention, described direct current speeder and drive motor of the rolling mill are correspondingly arranged on cooling dress
Putting, described slave station PLC is connected with chiller.Using technique scheme, it can be by slave station PLC for chiller
Independent control, the cooling causing direct current speeder can be stabilized in the course of the work processes.
As a modification of the present invention, described chiller includes motor fan and switch board blower fan, and it can be for
Associated components in direct current speeder realizes efficient and stable cooling.
As a modification of the present invention, described slave station PLC and direct current speeder are connected to fault alarm module,
It can carry out alert process to its fault in time accurately when slave station PLC breaks down with direct current speeder is arbitrary, with
Avoid causing production accident.
As a modification of the present invention, the working method of described milling train start-stop control system comprises the following steps that
1) main website PLC exports milling train start stop signal to slave station PLC and direct current speeder respectively；
2), after slave station PLC accepts the milling train start stop signal in step 1), motor fan and switch board blower fan is driven to be operated；
3) after the milling train start stop signal during direct current speeder accepts step 1), by controlling drive motor of the rolling mill to drive milling train
It is operated.
As a modification of the present invention, described step 2) in, slave station PLC accepts the milling train start stop signal in step 1)
After, and when motor fan and switch board blower fan cannot be carried out work, the fault alarm module that slave station PLC is connected carries out fault
Alert process.
As a modification of the present invention, in described step 3), direct current speeder accepts the milling train start and stop in step 1)
After signal, and when milling train cannot be carried out work, the fault alarm module that direct current speeder is connected carries out fault alarm process.
As a modification of the present invention, described direct current speeder uses Siemens 6RA70 type direct current speeder.
Using the milling train start-stop control system of technique scheme, it can be by main website PLC relative to slave station PLC and direct current
The independence of arrangements for speed regulation controls, and during so that slave station PLC breaks down, the work of direct current speeder is unaffected, and then
The stability of control system during milling train control is improved.Meanwhile, the milling train on off control system in the application
System can pass through the transformation of butted line to complete between slave station PLC and direct current speeder in existing milling train start-stop control system
Independence, and then make it can form the improvement of system stability in the way of zero cost.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is milling train start-stop control system workflow diagram in the present invention；
Reference numerals list:
1 main website PLC, 2 slave station PLC, 3 direct current speeders, 4 chillers, 5 fault alarm modules.
Detailed description of the invention
Below in conjunction with detailed description of the invention and accompanying drawing, it is further elucidated with the present invention, it should be understood that following detailed description of the invention is only
For the present invention being described rather than limiting the scope of the present invention.It should be noted that the word " front " used in describing below,
" afterwards ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outward " refer respectively to towards or remote
Direction from particular elements geometric center.
Embodiment 1
A kind of milling train start-stop control system as shown in Figure 1, it is for being controlled milling train；Described milling train start-stop control system
Including main website PLC1, slave station PLC2 and direct current speeder 3, described slave station PLC2 and direct current speeder 3 are all and main website
PLC1 is electrically connected with, and uses parallel way to be attached between slave station PLC2 and direct current speeder 3；Described DC speed regulation fills
Put 3 to be connected with drive motor of the rolling mill.
As a modification of the present invention, described direct current speeder 3 and drive motor of the rolling mill are correspondingly arranged on cooling dress
Putting 4, described slave station PLC2 is connected with chiller 4.Using technique scheme, it can be by slave station PLC for cooling dress
The independence put controls, and the cooling causing direct current speeder can be stabilized in the course of the work processes.
As a modification of the present invention, described chiller 4 includes motor fan and switch board blower fan, and it can be for
Associated components in direct current speeder realizes efficient and stable cooling.
As a modification of the present invention, described slave station PLC2 and direct current speeder 3 are connected to fault alarm mould
Block 5, its fault can be carried out at warning accurately in time by it when slave station PLC breaks down with direct current speeder is arbitrary
Reason, to avoid causing production accident.
Using the milling train start-stop control system of technique scheme, it can be by main website PLC relative to slave station PLC and direct current
The independence of arrangements for speed regulation controls, and during so that slave station PLC breaks down, the work of direct current speeder is unaffected, and then
The stability of control system during milling train control is improved.Meanwhile, the milling train on off control system in the application
System can pass through the transformation of butted line to complete between slave station PLC and direct current speeder in existing milling train start-stop control system
Independence, and then make it can form the improvement of system stability in the way of zero cost.
Embodiment 2
As a modification of the present invention, the working method of described milling train start-stop control system comprises the following steps that
1) main website PLC exports milling train start stop signal to slave station PLC and direct current speeder respectively；
2), after slave station PLC accepts the milling train start stop signal in step 1), motor fan and switch board blower fan is driven to be operated；
3) after the milling train start stop signal during direct current speeder accepts step 1), by controlling drive motor of the rolling mill to drive milling train
It is operated.
As a modification of the present invention, described step 2) in, slave station PLC accepts the milling train start stop signal in step 1)
After, and when motor fan and switch board blower fan cannot be carried out work, the fault alarm module that slave station PLC is connected carries out fault
Alert process.
As a modification of the present invention, in described step 3), direct current speeder accepts the milling train start and stop in step 1)
After signal, and when milling train cannot be carried out work, the fault alarm module that direct current speeder is connected carries out fault alarm process.
As a modification of the present invention, described direct current speeder uses Siemens 6RA70 type direct current speeder.
Remaining feature of the present embodiment is the most same as in Example 1 with advantage.
Claims (8)
1. a milling train start-stop control system, it is for being controlled milling train；It is characterized in that, described milling train on off control system
System includes main website PLC, slave station PLC and direct current speeder, described slave station PLC and direct current speeder all with main website PLC
It is electrically connected with, and between slave station PLC and direct current speeder, uses parallel way to be attached；Described direct current speeder with roll
Machine drives motor to be connected.
2. according to the milling train start-stop control system described in claim 1, it is characterised in that described direct current speeder drives with milling train
Galvanic electricity machine is correspondingly arranged on chiller, and described slave station PLC is connected with chiller.
3. according to the milling train start-stop control system described in claim 2, it is characterised in that described chiller includes motor wind
Machine and switch board blower fan.
4. according to the milling train start-stop control system described in claim 3, it is characterised in that described slave station PLC fills with DC speed regulation
Put and be connected to fault alarm module.
5. according to the milling train start-stop control system described in claim 4, it is characterised in that the work of described milling train start-stop control system
Comprise the following steps that as mode
1) main website PLC exports milling train start stop signal to slave station PLC and direct current speeder respectively；
2), after slave station PLC accepts the milling train start stop signal in step 1), motor fan and switch board blower fan is driven to be operated；
3) after the milling train start stop signal during direct current speeder accepts step 1), by controlling drive motor of the rolling mill to drive milling train
It is operated.
6. according to the milling train start-stop control system described in claim 5, it is characterised in that described step 2) in, slave station PLC accepts
After milling train start stop signal in step 1), and when motor fan and switch board blower fan cannot be carried out work, slave station PLC is connected
Fault alarm module carry out fault alarm process.
7., according to the milling train start-stop control system described in claim 6, it is characterised in that in described step 3), DC speed regulation fills
After putting the milling train start stop signal accepted in step 1), and when milling train cannot be carried out work, the fault that direct current speeder is connected
Alarm module carries out fault alarm process.
8. according to the milling train start-stop control system described in claim 1 to 7 any one, it is characterised in that described DC speed regulation
Device uses Siemens 6RA70 type direct current speeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534523.3A CN106040751A (en) | 2016-07-08 | 2016-07-08 | On-off control system of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534523.3A CN106040751A (en) | 2016-07-08 | 2016-07-08 | On-off control system of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106040751A true CN106040751A (en) | 2016-10-26 |
Family
ID=57185030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534523.3A Pending CN106040751A (en) | 2016-07-08 | 2016-07-08 | On-off control system of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106040751A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108319218A (en) * | 2018-03-19 | 2018-07-24 | 四川德胜集团钒钛有限公司 | Mill control system and control method |
| CN109365535A (en) * | 2018-11-20 | 2019-02-22 | 湖北新冶钢特种钢管有限公司 | A kind of push-bench rack gear electrical control protection circuit and its guard method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130319Y (en) * | 2007-12-24 | 2008-10-08 | 中国重型机械研究院 | Electric control apparatus for rolling loop machine |
| CN203679404U (en) * | 2013-12-31 | 2014-07-02 | 天津市丰信泰和科技有限公司 | Starting and stopping type flying shear device |
| CN203955778U (en) * | 2014-06-30 | 2014-11-26 | 辽宁银捷装备科技股份有限公司 | A kind of high-accuracy straightening machine automatic control system |
| JP2015112614A (en) * | 2013-12-10 | 2015-06-22 | 株式会社日立製作所 | Rolling control apparatus, rolling control method and rolling control program |
| CN205887664U (en) * | 2016-07-08 | 2017-01-18 | 江苏永钢集团有限公司 | Rolling mill opens and stops control system |
-
2016
- 2016-07-08 CN CN201610534523.3A patent/CN106040751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130319Y (en) * | 2007-12-24 | 2008-10-08 | 中国重型机械研究院 | Electric control apparatus for rolling loop machine |
| JP2015112614A (en) * | 2013-12-10 | 2015-06-22 | 株式会社日立製作所 | Rolling control apparatus, rolling control method and rolling control program |
| CN203679404U (en) * | 2013-12-31 | 2014-07-02 | 天津市丰信泰和科技有限公司 | Starting and stopping type flying shear device |
| CN203955778U (en) * | 2014-06-30 | 2014-11-26 | 辽宁银捷装备科技股份有限公司 | A kind of high-accuracy straightening machine automatic control system |
| CN205887664U (en) * | 2016-07-08 | 2017-01-18 | 江苏永钢集团有限公司 | Rolling mill opens and stops control system |
Non-Patent Citations (2)
| Title |
|---|
| 仇礼娟: "6RA70全数字直流调速装置在1450轧机电动压下系统中的应用", 《电工技术》 * |
| 王红卫: "1200mm冷轧机电气传动控制系统改造", 《全国冶金自动化信息网2012年年会论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108319218A (en) * | 2018-03-19 | 2018-07-24 | 四川德胜集团钒钛有限公司 | Mill control system and control method |
| CN109365535A (en) * | 2018-11-20 | 2019-02-22 | 湖北新冶钢特种钢管有限公司 | A kind of push-bench rack gear electrical control protection circuit and its guard method |
| CN109365535B (en) * | 2018-11-20 | 2024-06-04 | 大冶特殊钢有限公司 | Electrical control protection circuit and protection method for rack of push bench |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |