CN106862282A - A kind of fast mill electric drive control system - Google Patents
A kind of fast mill electric drive control system Download PDFInfo
- Publication number
- CN106862282A CN106862282A CN201710098329.XA CN201710098329A CN106862282A CN 106862282 A CN106862282 A CN 106862282A CN 201710098329 A CN201710098329 A CN 201710098329A CN 106862282 A CN106862282 A CN 106862282A
- Authority
- CN
- China
- Prior art keywords
- strip
- milling train
- train group
- speed
- coil diameter
- 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.)
- Granted
Links
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
- B21B37/48—Tension control; Compression control
- B21B37/52—Tension control; Compression control by drive motor control
- B21B37/54—Tension control; Compression control by drive motor control including coiler drive control, e.g. reversing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/02—Tension
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention discloses fast mill electric drive control system, including milling train group, for carrying out rolling processing to strip；DC speed regulation module, is connected with milling train group signal, for the setting of completion system operational factor, controls the co-ordination of milling train group all fronts motor and speed, the tension stability of control milling train group；Automation control module, is connected with milling train group signal, for being monitored to milling train group, and is carried out to milling train group adjust automatically according to the result of monitoring；Programmable Logic Controller, is connected with milling train group, DC speed regulation module and automation control module signal respectively, for being monitored control to milling train group, DC speed regulation module and automation control module；Fast mill electric drive control system of the invention is mainly made up of DC speed regulation module, automation control module and Programmable Logic Controller, modules can standardized production, so as to improve the universal standard of the system, the complexity of maintenance and control program is reduced.
Description
Technical field
The present invention relates to electric control system, and in particular to a kind of fast mill electric drive control system.
Background technology
Fast mill is all mostly at present the but current most fast mill Electrified Transmission using electrical control by the way of
Defect below control system generally existing：1st, reliability is low, safeguards complicated；2nd, not expandability；3rd, program complexity, can not make
With self-defined standard feature module；4th, the I/O modules for adapting to multi-signal characteristic not can configure；5th, hardware design is not marked
It is accurate, it is impossible to modularized production；6th, self diagnostic capability is low, it is impossible to realize the adjustment of self.
Fast mill during work, because the tension force of coiling machine often changes, so as to cause electrically biography
The reaction of system system is excessively slow, it is difficult to ensures fast mill stability in the course of the work, is easily influenceed by human factor,
And then influence the processing quality of product.
The content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention aims to provide a kind of good stability and can realize OBD
Fast mill electric drive control system.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of fast mill electric drive control system, including
Milling train group, for carrying out rolling processing to strip；
DC speed regulation module, is connected with milling train group signal, and for the setting of completion system operational factor, control milling train group is complete
The co-ordination of line motor and speed, the tension stability of control milling train group；
Automation control module, is connected with milling train group signal, for being monitored to milling train group, and according to the result of monitoring
Carry out to milling train group adjust automatically；
Programmable Logic Controller, is connected with milling train group, DC speed regulation module and automation control module signal respectively, is used for
Control is monitored to milling train group, DC speed regulation module and automation control module；
Touch-screen, is connected with Programmable Logic Controller signal, completes and the communication of Programmable Logic Controller, data display and failure
Inquiry.
The milling train group includes the coiling machine for strip roll processing, the local derviation for detecting coiling machine speed
Roller, for the motor for driving rectification roll to rotate, the ramp generator for controlling reel tension in being installed on rectification roll, is used
In the rotating speed of rectification roll is switched into the first increment code wheel of linear velocity, in being installed on machine shaft, for measuring rectification roll angle speed
Second increment code wheel of degree, and for reducing the integrator of strip coil diameter change disturbance.
The DC speed regulation module controls concretely comprising the following steps for milling train group tension stability：
S1, given tension
During coiling machine is batched, the coiling tension size of strip is calculated strip by strip yield limit σ and thickness h
And obtain, the coiling tension T=qbh=σ kbh of strip
Wherein：σ is yield limit；K is design factor, is worth for 0.2-0.8；B is strip width mm；H is belt steel thickness
mm；
S2, strip coil diameter are calculated
The rotating speed of rectification roll is converted into actual linear velocity S by the first increment code wheel, and angular velocity omega r is rotated by being installed on motor
The second increment code wheel measurement of axle shaft end, draws the actual coil diameter D=S/ ω r of strip；Then, integrator is to the strip reality that draws
Coil diameter D is filtered treatment, draws the final coil diameter value D of strip1=D+ Δs, Δ is the variable quantity of strip coil diameter unit interval；
S3, tension torque are calculated
The rolling tensile force T of coiling machine is set, conversion is to the torque on machine shaft：
MT=KD1T/2
In formula in uncoiling：When batching：
η, i are respectively transmission efficiency, speed ratio；
S4, unloading torque compensation
According to the speed of coiler mandrel, unloading torque compensation is carried out to coiling machine；
S5, dynamic moment compensation are calculated
By coil diameter change of line speed dv, dt and coil diameter change D-D0The moment of accelerating computing formula of decision is as follows：
The formula of dynamic compensation：
MIt is dynamic=MDynamic 1+MDynamic 2
Wherein：
MDynamic 1It is the rotary inertia of strip spool；
MDynamic 2It is the rotary inertia of strip；
DNIt is the diameter of coiler mandrel；
I is speed reducing ratio；
D0It is drum diameter, rice
B is strip width, rice
ρ is strip density, kg/m2
S is pack completeness when band is batched, and it is relevant with band volume layer compactness extent and coiling tension, and value is s=0.85-
0.90。
The touch-screen is HMI touch-screens.
The beneficial effect of the invention is：
Fast mill electric drive control system of the invention it is main by DC speed regulation module, automation control module and
Programmable Logic Controller constitute, modules can standardized production, so as to improve the universal standard of the system, reduce dimension
The complexity of shield and control program；Additionally, by the controllable milling train group tension force of DC speed regulation module, velocity-stabilization, eliminating
Think the influence of factor, it is ensured that the processing quality of product.
Brief description of the drawings
Fig. 1 is the system block diagram of fast mill electric drive control system of the present invention；
Fig. 2 is the schematic diagram that strip coil diameter is calculated；
Fig. 3 is integrator fundamental diagram；
Fig. 4 is dynamic friction curve；
In figure：1st, milling train group；2nd, DC speed regulation module；3rd, automation control module；4th, Programmable Logic Controller；5th, touch
Screen.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the present invention is described further：
As shown in figure 1, fast mill electric drive control system of the present invention includes milling train group 1, for being rolled to strip
System processing；DC speed regulation module 2, is connected with the signal of milling train group 1, for the setting of completion system operational factor, control milling train group 1
The co-ordination of all fronts motor and speed, the tension stability of control milling train group 1；Automation control module 3, believes with milling train group 1
Number connection, for being monitored to milling train group 1, and according to monitoring result carry out to the adjust automatically of milling train group 1；PLC technology
Device 4, is connected, for milling train group 1, direct current with milling train group 1, DC speed regulation module 2 and the signal of automation control module 2 respectively
Speed adjusting module 2 and automation control module 3 are monitored control；Touch-screen 5, is connected with the signal of Programmable Logic Controller 4, completes
Communication, data display and fault inquiry with Programmable Logic Controller 4, in the present embodiment, the touch-screen 5 is man-machine interface (Human
Machine Interface, HMI) touch-screen.
Wherein, above-mentioned milling train group 1 includes the coiling machine for strip roll processing, for detecting coiling machine speed
The rectification roll of degree, for the motor for driving rectification roll to rotate, the ramp generator for controlling reel tension is installed on local derviation
In roller, for the rotating speed of rectification roll to be switched into the first increment code wheel of linear velocity, in being installed on machine shaft, for measuring local derviation
Second increment code wheel of roller angular speed, and for reducing the integrator of strip coil diameter change disturbance.
The DC speed regulation module controls concretely comprising the following steps for milling train group tension stability：
S1, given tension
During coiling machine is batched, coiling machine is when strip is wound, it is necessary to have certain tension force, and strip for strip
Coiling tension size calculated by strip yield limit σ and thickness h and obtained, the coiling tension T=qbh=σ kbh of strip
Wherein：σ is yield limit；K is design factor, is worth for 0.2-0.8；B is strip width mm；H is belt steel thickness
mm；
S2, strip coil diameter are calculated
The rotating speed of rectification roll is converted into actual linear velocity S by the first increment code wheel, and angular velocity omega r is rotated by being installed on motor
The second increment code wheel measurement of axle shaft end, the schematic diagram that strip coil diameter is calculated is as shown in Fig. 2 border coil diameter girth=actual lines of π D=
Speed (S)=actual angular speed (ω r) x D, so as to draw actual coil diameter D=S/ the ω r, D ∝ Line Speed (S) of strip/
Reel Speed(ωr)
Due in the operation of rolling, the disturbance of speed being caused due to reasons such as machineries, then necessarily cause the change of coil diameter
Disturbance, therefore, in this step, integrator can be filtered to the actual coil diameter of strip for calculating, and be caused with reducing speed
Disturbance, obtain final accurate coil diameter value D1, D1=D+ Δs；Wherein, the operation principle of integrator is as shown in figure 3, Δ is strip
The variable quantity of coil diameter unit interval, forms a ramp function generator, coil diameter is changed with time increasing or decreasing, with filter
The effect of ripple, reduces the disturbance that speed causes, and obtains stable and accurate coil diameter value.
S3, tension torque are calculated
The rolling tensile force T of coiling machine is set, conversion is to the torque on machine shaft：
MT=KD1T/2
In formula in uncoiling：When batching：
η, i are respectively transmission efficiency, speed ratio；
S4, unloading torque compensation
According to the speed of coiler mandrel, unloading torque compensation is carried out to coiling machine；
The rubbing actions such as machinery can occur when being run due to coiler mandrel, electromagnetic torque can be lost, so this part needs
Compensate, unloading torque compensation and speed are a nonlinear functions, that is to say, that unloading torque is compensated at various speeds
Value is different.
It is unloaded according to this in order to know the relation of frictional force and rotating speed, it is thus necessary to determine that torque current during friction speed point
Torque current calculates the friciton compensation amount in the speed point, and dynamic friction curve is as shown in Figure 4.
S5, dynamic moment compensation are calculated
By coil diameter change of line speed dv, dt and coil diameter change D-D0The moment of accelerating computing formula of decision is as follows：
The formula of dynamic compensation：
MIt is dynamic=MDynamic 1+MDynamic 2
Wherein：
MDynamic 1It is the rotary inertia of strip spool；
MDynamic 2It is the rotary inertia of strip；
DNIt is the diameter of coiler mandrel；
I is speed reducing ratio；
D0It is drum diameter, rice
B is strip width, rice
ρ is strip density, kg/m2
S is pack completeness when band is batched, and it is relevant with band volume layer compactness extent and coiling tension, and value is s=0.85-
0.90。
By the treatment of above-mentioned several steps, you can realize the process to maximum (or minimum) coil diameter in the initial coil diameter of strip
In, actual tension setting tension force with it is constant all the time, so as to realize constant tension coiling roll, eliminate the influence for thinking factor, guarantor
The processing quality of product is demonstrate,proved.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these changes and deformation should all belong to invention scope of the claims it
It is interior.
Claims (4)
1. a kind of fast mill electric drive control system, it is characterised in that including
Milling train group, for carrying out rolling processing to strip；
DC speed regulation module, is connected with milling train group signal, and for the setting of completion system operational factor, control milling train group is completely electric
The co-ordination of machine and speed, the tension stability of control milling train group；
Automation control module, is connected with milling train group signal, for being monitored to milling train group, and is carried out according to the result of monitoring
To milling train group adjust automatically；
Programmable Logic Controller, is connected, for rolling with milling train group, DC speed regulation module and automation control module signal respectively
Unit, DC speed regulation module and automation control module are monitored control；
Touch-screen, is connected with Programmable Logic Controller signal, completes to be looked into the communication of Programmable Logic Controller, data display and failure
Ask.
2. fast mill electric drive control system as claimed in claim 1, it is characterised in that the milling train group includes being used for
To strip roll the coiling machine of processing, the rectification roll for detecting coiling machine speed, for the electricity for driving rectification roll to rotate
Machine, the ramp generator for controlling reel tension, in being installed on rectification roll, for the rotating speed of rectification roll to be switched into linear velocity
The first increment code wheel, in being installed on machine shaft, the second increment code wheel for measuring rectification roll angular speed, and for subtracting
The integrator of few strip coil diameter change disturbance.
3. fast mill electric drive control system as claimed in claim 2, it is characterised in that the DC speed regulation module control
Milling train group tension stability processed is concretely comprised the following steps：
S1, given tension
During coiling machine is batched, the coiling tension size of strip is by strip yield limit σ and thickness h calculating for strip
, the coiling tension T=qbh=σ kbh of strip
Wherein：σ is yield limit；K is design factor, is worth for 0.2-0.8；B is strip width mm；H is belt steel thickness mm；
S2, strip coil diameter are calculated
The rotating speed of rectification roll is converted into actual linear velocity S by the first increment code wheel, and angular velocity omega r is by being installed on motor rotation axis axle
The second increment code wheel measurement at end, draws the actual coil diameter D=S/ ω r of strip；Then, integrator is to the actual coil diameter of strip that draws
D is filtered treatment, draws the final coil diameter value D of strip1=D+ Δs, Δ is the variable quantity of strip coil diameter unit interval；
S3, tension torque are calculated
The rolling tensile force T of coiling machine is set, conversion is to the torque on machine shaft：
MT=KD1T/2
In formula in uncoiling：When batching：
η, i are respectively transmission efficiency, speed ratio；
S4, unloading torque compensation
According to the speed of coiler mandrel, unloading torque compensation is carried out to coiling machine；
S5, dynamic moment compensation are calculated
By strip coil diameter change of line speed dv, dt and coil diameter change D-D0The moment of accelerating computing formula of decision is as follows：
The formula of dynamic compensation：
MIt is dynamic=MDynamic 1+MDynamic 2
Wherein：
MDynamic 1It is the rotary inertia of strip spool；
MDynamic 2It is the rotary inertia of strip；
DNIt is the diameter of coiler mandrel；
I is speed reducing ratio；
D0It is drum diameter, rice
B is strip width, rice
ρ is strip density, kg/m2
S is pack completeness when band is batched, and it is relevant with band volume layer compactness extent and coiling tension, and value is s=0.85-0.90.
4. fast mill electric drive control system as claimed in claim 1, it is characterised in that the touch-screen is touched for HMI
Touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098329.XA CN106862282B (en) | 2017-02-22 | 2017-02-22 | A kind of fast mill electric drive control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098329.XA CN106862282B (en) | 2017-02-22 | 2017-02-22 | A kind of fast mill electric drive control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106862282A true CN106862282A (en) | 2017-06-20 |
| CN106862282B CN106862282B (en) | 2019-11-12 |
Family
ID=59168638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710098329.XA Active CN106862282B (en) | 2017-02-22 | 2017-02-22 | A kind of fast mill electric drive control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106862282B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044822A (en) * | 2018-01-01 | 2018-05-18 | 宁波钜德精工机械有限公司 | The constant-tension control method of Buddha's warrior attendant wire cutting machine |
| CN109189112A (en) * | 2018-09-25 | 2019-01-11 | 辽宁工业大学 | A kind of idler roller strip tension sliding-mode control and control device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227514A (en) * | 1986-03-28 | 1987-10-06 | Sumitomo Metal Ind Ltd | Control method for reel motor of rolling mill |
| CN202144407U (en) * | 2011-05-27 | 2012-02-15 | 南京双威生物医学科技有限公司 | Automatic rolling apparatus with constant tension force |
| CN102360930A (en) * | 2011-05-31 | 2012-02-22 | 艾默生网络能源有限公司 | System for automatically controlling winding tension of transformer coil |
| CN103076743A (en) * | 2012-12-28 | 2013-05-01 | 西安建筑科技大学 | Tension fuzzy PID (Proportion Integration Differentiation) control method for recoiling machine |
| CN203021089U (en) * | 2012-12-28 | 2013-06-26 | 江苏三环实业股份有限公司 | Lead belt winding tension control system |
| CN203259897U (en) * | 2013-04-26 | 2013-10-30 | 上海工程技术大学 | Tension force control system of wire feeding machine |
| CN103625969A (en) * | 2013-12-13 | 2014-03-12 | 四川亚西橡塑机器有限公司 | Constant-tension coiling device for natural-element membrane forming machine |
| CN203652890U (en) * | 2013-12-31 | 2014-06-18 | 常州市奋发印染设备有限公司 | Multi-unit rolling system with constant tension force |
| CN106044332A (en) * | 2015-09-19 | 2016-10-26 | 徐仕坚 | Constant tension control system of composite production line |
-
2017
- 2017-02-22 CN CN201710098329.XA patent/CN106862282B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227514A (en) * | 1986-03-28 | 1987-10-06 | Sumitomo Metal Ind Ltd | Control method for reel motor of rolling mill |
| CN202144407U (en) * | 2011-05-27 | 2012-02-15 | 南京双威生物医学科技有限公司 | Automatic rolling apparatus with constant tension force |
| CN102360930A (en) * | 2011-05-31 | 2012-02-22 | 艾默生网络能源有限公司 | System for automatically controlling winding tension of transformer coil |
| CN103076743A (en) * | 2012-12-28 | 2013-05-01 | 西安建筑科技大学 | Tension fuzzy PID (Proportion Integration Differentiation) control method for recoiling machine |
| CN203021089U (en) * | 2012-12-28 | 2013-06-26 | 江苏三环实业股份有限公司 | Lead belt winding tension control system |
| CN203259897U (en) * | 2013-04-26 | 2013-10-30 | 上海工程技术大学 | Tension force control system of wire feeding machine |
| CN103625969A (en) * | 2013-12-13 | 2014-03-12 | 四川亚西橡塑机器有限公司 | Constant-tension coiling device for natural-element membrane forming machine |
| CN203652890U (en) * | 2013-12-31 | 2014-06-18 | 常州市奋发印染设备有限公司 | Multi-unit rolling system with constant tension force |
| CN106044332A (en) * | 2015-09-19 | 2016-10-26 | 徐仕坚 | Constant tension control system of composite production line |
Non-Patent Citations (1)
| Title |
|---|
| 桂卫华等: "《有色金属进展（第十卷）》", 30 November 2007, 中南大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044822A (en) * | 2018-01-01 | 2018-05-18 | 宁波钜德精工机械有限公司 | The constant-tension control method of Buddha's warrior attendant wire cutting machine |
| CN108044822B (en) * | 2018-01-01 | 2019-07-26 | 宁波钜德精工机械有限公司 | The constant-tension control method of Buddha's warrior attendant wire cutting machine |
| CN109189112A (en) * | 2018-09-25 | 2019-01-11 | 辽宁工业大学 | A kind of idler roller strip tension sliding-mode control and control device |
| CN109189112B (en) * | 2018-09-25 | 2023-06-06 | 辽宁工业大学 | Tension roller strip steel tension slip form control method and control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106862282B (en) | 2019-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103170524B (en) | Turntable type high-speed reeling machine control method and system of cold continuous rolling production line | |
| CN203199757U (en) | Automatic control device of tension force of coiler | |
| CN103521551B (en) | The coil of strip coil diameter defining method of uncoiler or coiling machine in a kind of steel rolling process | |
| CN109534045A (en) | A kind of coil diameter calculation method and winding/unwinding device based on rotary inertia | |
| CN103072841A (en) | Tension roll control device for plate and strip processing line and tension control method | |
| CN106311766B (en) | Novel length measurement system | |
| CN106862282A (en) | A kind of fast mill electric drive control system | |
| CN102806239B (en) | Wire drawing machine unwinding and rewinding tension force method for automatically correcting | |
| CN107199247A (en) | A kind of five Stands Cold Tandem Mill lacks the control method of frame rolling | |
| CN105404320A (en) | Cold rolling continuous annealing unit tension control method and system | |
| CN103984870B (en) | A kind of advanced cold-rolling mill shape roller cornerite determines method | |
| CN203006584U (en) | Control device for tension roll on plate-strip processing line | |
| CN109261716B (en) | Rolling process of cold-rolled ribbed steel bar | |
| CN103551389A (en) | Flying gauge change control method of tandem cold mill | |
| JP7131532B2 (en) | Winding control device, coiler, winding control method, and method for manufacturing hot-rolled metal strip | |
| CN106059218B (en) | The coiling of coil winding machine and insulating tape wrapping continuous synchronization operational method and device | |
| CN207738186U (en) | Slitting rewinder | |
| CN106379757A (en) | Bus-based tension-free rubber rolling control system and control method thereof | |
| CN106269858A (en) | A kind of line style cold rolling processing unit (plant) of copper bar | |
| CN102500629B (en) | Method for measuring rotational inertia of transmission system | |
| CN100458618C (en) | Precontrol algorithm for film tracting machine rolling perimeter | |
| CN103708276B (en) | Open core rolling electric control system and control method | |
| CN203448448U (en) | Static friction automatic testing system of rolling shaft of vertical type wide aluminum foil roll-dividing machine | |
| CN203455668U (en) | Strip coil diameter measurement system | |
| CN112626333A (en) | Copper wire annealing take-up tension control method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |