CN207170517U - Bar wire rod rolling mill speed-adjusting and control system - Google Patents
Bar wire rod rolling mill speed-adjusting and control system Download PDFInfo
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- CN207170517U CN207170517U CN201720383750.0U CN201720383750U CN207170517U CN 207170517 U CN207170517 U CN 207170517U CN 201720383750 U CN201720383750 U CN 201720383750U CN 207170517 U CN207170517 U CN 207170517U
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Abstract
The utility model discloses a kind of bar wire rod rolling mill speed-adjusting and control system, includes the milling train speed governing subsystem of the detection subsystem of the adjacent bar inspection spacing of detection, controller and each mill milling speed of regulation；Wherein, subsystem is detected to be used to detect the distance between adjacent two bar；Controller is used for the detection data of receiving detection device, calculates each mill milling speed strategy according to detection data and sends the order for adjusting each mill milling speed；Milling train speed governing subsystem is used for the mill speed for receiving the speed governing order that controller is sent and corresponding milling train being adjusted according to order；Detection subsystem includes some detection means, and each detection means is separately mounted to the front of the entrance of corresponding milling train, and each detection means is connected with controller communication, and controller connects with milling train speed governing subsystem controls.The utility model can detect the distance between adjacent two Bar Wire Product in real time and be adjusted in real time, make rolling rhythm compact.
Description
Technical field
It the utility model is related to a kind of bar wire rod rolling mill speed-adjusting and control system and method.
Background technology
Visual plant in steel manufacture process, the trend of Modern Rolling Mill development is serialization, automation, specialization,
Product quality is high, and consumption is low.The new milling method such as continuous casting and rolling, controlled rolling, and adapt to new product quality requirement and carry
The milling train of the various special constructions of high economic benefit is all in fast development.
Milling equipment typically carries out speed governing and control by middle pressure transmission device in itself.The development of mill drive device base
This maturation, disclosure satisfy that milling train work and speed governing demand, but its control object be milling train in itself, be such control level
Belong to the device level control of L1 levels, be not related to the control of production process.The optimal control of production aspect has milling train cascade at present
The modes such as speed governing, such mode can be coordinated to the cooperating of Duo Tai mill drives mechanism.
With the continuous improvement of production requirement, rolling line yield how is improved, improving utilization rate of equipment and installations turns into what is become more and more important
Problem.If the rolling gap between blank can be reduced, uninterrupted rolling is realized, just can largely improve the production of steel rolling
Amount.And it is the shortening for realizing rolling gap, it is very necessary to carry out speed regulating control to milling train from rhythm of production.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of bar wire rod rolling mill governing system in rationally controlled rolling gap.
To reach above-mentioned purpose, the utility model bar wire rod rolling mill speed-adjusting and control system, including the adjacent bar spacing of detection
Detection subsystem, the milling train speed governing subsystem of controller and each mill milling speed of regulation；
Wherein, the detection subsystem is used to detect the distance between adjacent two bar；
The controller is used for the detection data for receiving the detection means, and calculating each milling train according to the detection data rolls
Speed strategy processed simultaneously sends the order for adjusting each mill milling speed；
The milling train speed governing subsystem is used to receive the speed governing order that the controller is sent and according to the order adjustment
The mill speed of corresponding milling train；
The detection subsystem includes some detection means, and each detection means is separately mounted to the entrance of corresponding milling train
Front, each detection means is connected with the controller communication, the controller and the milling train speed governing subsystem controls
Connection.
Further, the detection subsystem is infrared CCD detecting system, video detection system or thermometal detection system
System.
Further, two detection means are arranged at intervals with front of each milling train, the detection means is arranged on two axles
Electric platform on, encoder, two encoders are provided with the output shaft of two motors of the electric platform
Communicate and connect with a head computing device, the head computing device is connected with the controller communication.
Further, two motors of the electric platform and the controller controlled connection, the controller control
Make the electric platform and drive the detection means tracking bar.
Further, the milling train speed governing subsystem includes the speed changer being arranged on each milling train, the speed changer
The second spur gear including the first spur gear being connected with the drive mechanism of roll and with roll drive connection, described first
Spur gear and second spur gear are driven by one and the gear box that the case of transmission is slidably connected, in the gear box
Rotatable connection has two bevel gears, and the taper of described two bevel gears is identical, and the direction of two bevel gear is on the contrary, two cone
Gear engages with first and second spur gear respectively；
The gear box is connected with the piston rod of a hydraulic cylinder, and an electromagnetism is provided with the oil supply pipe of the hydraulic cylinder
Valve, the magnetic valve and the controller controlled connection.
Further, the bevel gear includes core body, and the outer surface of the core body is provided with some grooves, in the groove
Ball is provided with, the outer surface of the core body is provided with housing, some through holes are provided with the housing, and the ball passes through
The through hole spills the housing.
The utility model bar wire rod rolling mill governing system proposes a kind of system for optimizing rolling rhythm, improves rolling speed
Degree；It is spaced end to end by detecting pieces of bar stock, finely tunes the velocity interpolation between each rolling mill, increase the yield of rolling line；Pass through
Monitoring in real time, it is easy to find produced problem in the operation of rolling, is favorably improved product quality.
The utility model carries out complex optimum and control by advanced detection means to the milling train course of work.To multi rack
Bar mill carries out Comprehensive Control, to realize the Collaborative Control between the optimal control of production procedure and multiple devices.Pass through detection
The setting of subsystem, monitoring and analysis to rolling bar process are realized, constructs complete feedback mechanism, be on-line optimization control
System.
In view of the above-mentioned problems, the utility model provides a kind of bar wire rod rolling mill speed regulating method in rationally controlled rolling gap.
To reach above-mentioned purpose, the utility model bar wire rod rolling mill method for controlling speed regulation,
Detect the distance between the head of previous Bar Wire Product and the afterbody of latter Bar Wire Product；
If the distance measured not in predetermined threshold range, adjusts the mill speed of latter milling train and by level joint control
The mill speed of each milling train after the latter milling train of Developing Tactics processed；Or adjust the mill speed of previous milling train and pass through level
The mill speed of each milling train before the previous milling train of joint control Developing Tactics；
If the distance measured in predetermined threshold range, controls each milling train to be rolled with present speed.
Further, in detection process, detected using the detection method of infrared CCD, video detecting method or thermometal
Method.
Further, comprising the following steps that in detection process：
Follow the trail of the position end to end of adjacent two Bar Wire Product respectively using two detection means；
By the position end to end of the luffing angle of two detection means, horizontal rotation angle and adjacent two Bar Wire Product current
The position of frame calculates the position of the position end to end of adjacent two bar in a coordinate system,
The distance between adjacent two Bar Wire Product is calculated by the position of the position end to end of adjacent two Bar Wire Product in a coordinate system.
Further, the control method also includes adjustment selection step, and its specific method is as follows：
Obtain and compare the milling train quantity before current detection device and the amount detection after current detection device；
If the milling train quantity before current detection device is less than the milling train quantity after current detection device, adjustment is current
Mill milling speed before detection means；
If the milling train quantity before current detection device is more than the milling train quantity after current detection device, adjustment is current
Mill milling speed after detection means.
The utility model bar wire rod rolling mill speed regulating method proposes a kind of method for optimizing rolling rhythm, improves rolling speed
Degree；It is spaced end to end by detecting pieces of bar stock, finely tunes the velocity interpolation between each rolling mill, increase the yield of rolling line；Pass through
Monitoring in real time, it is easy to find produced problem in the operation of rolling, is favorably improved product quality.
The utility model carries out complex optimum and control by advanced detection means to the milling train course of work.To multi rack
Bar mill carries out Comprehensive Control, to realize the Collaborative Control between the optimal control of production procedure and multiple devices.Pass through detection
The setting of subsystem, monitoring and analysis to rolling bar process are realized, constructs complete feedback mechanism, be on-line optimization control
System.
Brief description of the drawings
Fig. 1 is the system layout of the embodiment 1 of the utility model bar wire rod rolling mill speed-adjusting and control system.
Embodiment
The utility model is further described with reference to Figure of description.
In the technical solution of the utility model, forward and backward is using the flow of rolling as reference, and the direction where raw material is
Before, after the direction where finished product is.
Embodiment 1
The present embodiment provides a kind of bar wire rod rolling mill speed-adjusting and control system, includes the detection subsystem of the adjacent bar spacing of detection
The milling train speed governing subsystem of system, controller and each mill milling speed of regulation；
Wherein, the detection subsystem is used to detect the distance between adjacent two bar；
The controller is used for the detection data for receiving the detection means, and calculating each milling train according to the detection data rolls
Speed strategy processed simultaneously sends the order for adjusting each mill milling speed；
The milling train speed governing subsystem is used to receive the speed governing order that the controller is sent and according to the order adjustment
The mill speed of corresponding milling train；
The detection subsystem includes some detection means, and each detection means is separately mounted to the entrance of corresponding milling train
Front, each detection means is connected with the controller communication, the controller and the milling train speed governing subsystem controls
Connection.
In the present embodiment, the distance between adjacent two Bar Wire Product is detected by the way of existing video detection, also, regard
Interval location between the Bar Wire Product of frequency detection means real-time tracing two.
Milling train speed governing subsystem can use variable speed electric motors, particularly, variable speed electric motors, particularly driving roll rotation, controller control speed change electricity
The rotating speed of machine.
Controller can select the controller that single-chip microcomputer, computer etc. can program.
Below so that 2 pieces of bar stock carry out tandem rolling operation by 3 rolling mills as an example, the present embodiment is illustrated：
Basic control flow is as follows：
S1：Bar 1 and bar 2 continuous rolling on rolling line, the distance before feed mill between two bars are setpoint distance；
S2：Bar 1 is introduced into milling train 1, due to the cold draw after rolling, the length of bar 1, is now examined by video
Distance surveying 1 two bar is detected, and detecting distance parameter is sent into flow logic controller；
S3：Whether flow logic controller judging distance is suitable, if its hypotelorism, according to setting rule, calculates
Go out the speed regulated quantity of milling train 1；
S4：The speed regulated quantity of milling train 1 is issued in milling train speed adjusting gear 1 by flow logic controller, passes through the governor
Structure, change the mill speed of milling train 1；
S5：With the continuation of production, bar 1 by milling train 1, is just rolled in milling train 2, and bar 2 rolls
Rolled in machine 1, now the distance two bars is detected by video detection 2, detecting distance parameter is sent to
Flow logic controller；
S6：Whether flow logic controller judging distance is suitable, if its hypotelorism, according to setting rule, calculates
Go out the speed regulated quantity of milling train 1 and milling train 2；
S7：The speed regulated quantity of milling train 1 and milling train 2 is issued to milling train speed adjusting gear 1 and milling train by flow logic controller
In speed adjusting gear 2, by speed adjusting gear, the mill speed of change milling train 1 and milling train 2；
S8：The follow-up same S5~S7 of rolling speed regulating control process for arriving milling train 3；
S9：When more with blank continuous rolling, then the speed for adjusting 3 rolling mills simultaneously by flow logic controller is joined
Number, so as to realize the synthesis speed regulating control of rolling bar production.
The present embodiment bar wire rod rolling mill governing system proposes a kind of system for optimizing rolling rhythm, improves mill speed；
It is spaced end to end by detecting pieces of bar stock, finely tunes the velocity interpolation between each rolling mill, increase the yield of rolling line；By real-time
Monitoring, it is easy to find produced problem in the operation of rolling, is favorably improved product quality.
The present embodiment carries out complex optimum and control by advanced detection means to the milling train course of work.To multi rack rod
Material milling train carries out Comprehensive Control, to realize the Collaborative Control between the optimal control of production procedure and multiple devices.By detecting son
The setting of system, monitoring and analysis to rolling bar process are realized, constructs complete feedback mechanism, be on-line optimization control
System.
Embodiment 2
A kind of bar wire rod rolling mill speed-adjusting and control system is provided in the present embodiment, is with the difference of embodiment 1：This
Two thermometal detection means are arranged at intervals with front of each milling train of embodiment, the thermometal detection means is arranged on two
On the electric platform of axle, encoder, two codings are provided with the output shaft of two motors of the electric platform
Device and head computing device communication are connected, and the head computing device is connected with the controller communication.
Two motors of the electric platform and the controller controlled connection, the controller control are described electronic
Head drives the thermometal detection means tracking bar.
Two thermometal detection means in the present embodiment follow the trail of the position end to end of two Bar Wire Products respectively, then, pass through
The state of two heads and the two bars position that position is imaged end to end, calculate the position end to end of two Bar Wire Products in the position of coordinate system
Put, then calculate distance between the two again.
Two Bar Wire Products are followed the trail of respectively using two thermometal detection means in the present embodiment, when between two Bar Wire Products
Apart from it is excessive when, still accurately can follow the trail of and calculate both distance, be not in one of Bar Wire Product in areas imaging
Outside situation.
Embodiment 3
The present embodiment and the difference of embodiment 1 are：The milling train speed governing subsystem includes being arranged on each described roll
Speed changer on machine, the speed changer include the first spur gear being connected with the drive mechanism of roll and are driven with roll to connect
What the second spur gear connect, first spur gear and second spur gear were slidably connected by one with the case of transmission
Gear box is driven, and the gear box internal rotation is connected with two bevel gears, and the taper of described two bevel gears is identical, two cone
The direction of gear is on the contrary, two bevel gear engages with first and second spur gear respectively；
The gear box is connected with the piston rod of a hydraulic cylinder, and an electromagnetism is provided with the oil supply pipe of the hydraulic cylinder
Valve, the magnetic valve and the controller controlled connection.
Because two gears in gear box engage towards opposite direction, now, the plane that the axis of two gears determines
On bus be parallel to each other, and two gears are meshed with the first spur gear and the second spur gear respectively, so, when promoting the biography
During dynamic box, the bevel gear position engaged with the first spur gear and the second spur gear can change, real so as to change transmission ratios
The speed governing of existing milling train.
The bevel gear of the present embodiment can also install as follows, and the bevel gear includes core body, the core body
Outer surface be provided with some grooves, ball is provided with the groove, the outer surface of the core body is provided with housing, the shell
Some through holes are provided with body, the ball spills the housing by the through hole.
The gear teeth are used as by prominent ball, when being equally reached the purpose of transmission, and promoting gear box, ball can be sent out
Raw to rotate, required motive force greatly reduces.
Embodiment 4
The difference of the present embodiment and embodiment 1 is that this implementation is detected using infrared CCD.
The present embodiment provides a kind of bar mill speed-adjusting and control system based on infrared CCD, and the system is examined including infrared CCD
Survey device, flow logic controller, executing agency's governing system.
So that 2 pieces of bar stock carry out tandem rolling operation by 3 rolling mills as an example, the present embodiment is illustrated：
Basic control flow is as follows：
S1：Bar 1 and bar 2 continuous rolling on rolling line, the distance before feed mill between two bars are setpoint distance；
S2：Bar 1 is introduced into milling train 1, due to the cold draw after rolling, the length of bar 1, now by infrared
Distance CCD monitors 1 two bar is detected, and detecting distance parameter is sent into flow logic controller；
S3：Whether flow logic controller judging distance is suitable, if its hypotelorism, according to setting rule, calculates
Go out the speed regulated quantity of milling train 1；
S4：The speed regulated quantity of milling train 1 is issued in milling train speed adjusting gear 1 by flow logic controller, passes through the governor
Structure, change the mill speed of milling train 1；
S5：With the continuation of production, bar 1 by milling train 1, is just rolled in milling train 2, and bar 2 rolls
Rolled in machine 1, the distance now monitoring 2 two bars by infrared CCD is detected, and detecting distance parameter is sent
To flow logic controller；
S6：Whether flow logic controller judging distance is suitable, if apart from improper, calculates milling train 1 and milling train 2
Speed regulated quantity；
S7：The speed regulated quantity of milling train 1 and milling train 2 is issued to milling train speed adjusting gear 1 and milling train by flow logic controller
In speed adjusting gear 2, by speed adjusting gear, the mill speed of change milling train 1 and milling train 2；
S8：The follow-up same S5~S7 of rolling speed regulating control process for arriving milling train 3；
S9：When more with blank continuous rolling, then the speed for adjusting 3 rolling mills simultaneously by flow logic controller is joined
Number, so as to realize the synthesis speed regulating control of rolling bar production.
Embodiment 4
The present embodiment provides a kind of bar wire rod rolling mill method for controlling speed regulation, specific as follows：Detected using video detecting method
The distance between afterbody of the head of previous Bar Wire Product and latter Bar Wire Product；
If the distance measured not in predetermined threshold range, adjusts the mill speed of latter milling train and by level joint control
The mill speed of each milling train after the latter milling train of Developing Tactics processed；Or adjust the mill speed of previous milling train and pass through level
The mill speed of each milling train before the previous milling train of joint control Developing Tactics；
If the distance measured in predetermined threshold range, controls each milling train to be rolled with present speed.
When adjusting the mill speed of each milling train, can be counted using the computational methods in existing cascade method for controlling speed regulation
The relation between the speed adjustment amplitude of each milling train is calculated, after calculating, controls each milling train to carry out the tune of mill speed
It is whole.
In the present embodiment, adjustment selection step is also included before mill milling speed is adjusted, its specific method is as follows：
Obtain and compare the milling train quantity before current detection device and the amount detection after current detection device；
If the milling train quantity before current detection device is less than the milling train quantity after current detection device, adjustment is current
Mill milling speed before detection means；
If the milling train quantity before current detection device is more than the milling train quantity after current detection device, adjustment is current
Mill milling speed after detection means.
The present embodiment bar wire rod rolling mill speed regulating method proposes a kind of method for optimizing rolling rhythm, improves mill speed；
It is spaced end to end by detecting pieces of bar stock, finely tunes the velocity interpolation between each rolling mill, increase the yield of rolling line；By real-time
Monitoring, it is easy to find produced problem in the operation of rolling, is favorably improved product quality.
The present embodiment carries out complex optimum and control by advanced detection means to the milling train course of work.To multi rack rod
Material milling train carries out Comprehensive Control, to realize the Collaborative Control between the optimal control of production procedure and multiple devices.By detecting son
The setting of system, monitoring and analysis to rolling bar process are realized, constructs complete feedback mechanism, be on-line optimization control
System.
Certainly, in the present embodiment infrared CCD detection method or thermometal detection method can also be used to detect adjacent two rod
The distance between wire rod.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (6)
- A kind of 1. bar wire rod rolling mill speed-adjusting and control system, it is characterised in that：Detection subsystem including the adjacent bar spacing of detection, Controller and the milling train speed governing subsystem for adjusting each mill milling speed；Wherein, the detection subsystem is used to detect the distance between adjacent two bar；The detection subsystem includes some detection means, before each detection means is separately mounted to the entrance of corresponding milling train Side, each detection means are connected with the controller communication, and the controller connects with the milling train speed governing subsystem controls.
- 2. bar wire rod rolling mill speed-adjusting and control system as claimed in claim 1, it is characterised in that：The detection subsystem is infrared CCD detecting systems, video detection system or thermometal detecting system.
- 3. bar wire rod rolling mill speed-adjusting and control system as claimed in claim 1, it is characterised in that：The front of each milling train is arranged at intervals There are two detection means, the detection means is arranged on the electric platform of two axles, two motors of the electric platform Output shaft on be provided with encoder, two encoders and head computing device communication connect, and the head calculates dress Put and be connected with the controller communication.
- 4. bar wire rod rolling mill speed-adjusting and control system as claimed in claim 3, it is characterised in that：Two drivings of the electric platform Motor and the controller controlled connection, the controller control the electric platform to drive the detection means tracking bar.
- 5. bar wire rod rolling mill speed-adjusting and control system as claimed in claim 1, it is characterised in that：The milling train speed governing subsystem includes Speed changer on each milling train, the speed changer include the first spur gear being connected with the drive mechanism of roll With the second spur gear being connected with roll, first spur gear and second spur gear pass through one and the speed changer The gear box transmission that housing is slidably connected, the gear box internal rotation are connected with two bevel gears, the cone of described two bevel gears Spend identical, the direction of two bevel gear is on the contrary, two bevel gear engages with first and second spur gear respectively；The gear box is connected with the piston rod of a hydraulic cylinder, and a magnetic valve, institute are provided with the oil supply pipe of the hydraulic cylinder State magnetic valve and the controller controlled connection.
- 6. bar wire rod rolling mill speed-adjusting and control system as claimed in claim 5, it is characterised in that：The bevel gear includes core body, institute The outer surface for stating core body is provided with some grooves, and ball is provided with the groove, and the outer surface of the core body is provided with housing, Some through holes are provided with the housing, the ball spills the housing by the through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720383750.0U CN207170517U (en) | 2017-04-13 | 2017-04-13 | Bar wire rod rolling mill speed-adjusting and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383750.0U CN207170517U (en) | 2017-04-13 | 2017-04-13 | Bar wire rod rolling mill speed-adjusting and control system |
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| CN207170517U true CN207170517U (en) | 2018-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774421A (en) * | 2020-06-22 | 2020-10-16 | 江苏永钢集团有限公司 | Rod and wire rod rough rolling head rear-end collision feeding control method |
-
2017
- 2017-04-13 CN CN201720383750.0U patent/CN207170517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774421A (en) * | 2020-06-22 | 2020-10-16 | 江苏永钢集团有限公司 | Rod and wire rod rough rolling head rear-end collision feeding control method |
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