CN205851562U - A kind of belt steel rolling force control device - Google Patents
A kind of belt steel rolling force control device Download PDFInfo
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- CN205851562U CN205851562U CN201620612515.1U CN201620612515U CN205851562U CN 205851562 U CN205851562 U CN 205851562U CN 201620612515 U CN201620612515 U CN 201620612515U CN 205851562 U CN205851562 U CN 205851562U
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Abstract
A kind of belt steel rolling force control device, this device includes roll stacks, thickness transducer, sensor walking track, PLC；Thickness transducer is connected with sensor walking slide；PLC electrically connects with thickness transducer, sensor walking track respectively.A kind of belt steel rolling force control device disclosed in this utility model, is walked track by sensor, it is possible to the thickness of detection steel band diverse location so that error information detection is less；By calculating the total reduction that a upper rolling process obtains, change the roll-force in the operation of rolling and mill speed, saved man-hour, improve production efficiency and production capacity.
Description
Technical field
This utility model belongs to cold rolling band steel technical field, is specifically related to a kind of belt steel rolling force control device.
Background technology
Along with expanding economy, the demand of stainless steel band steeply rises, and purposes constantly expands, and is widely used in electronics work
The all trades and professions such as industry, household electrical appliance, auto industry, mechanical industry, light industry and machinery, are not only the most advanced branches of science, new technology development
Important foundation, Ye Shige traditional industry department high-tech, high level, the key raw material of high request product.Rustless steel refers to
Air is difficult to get rusty, corrosion resistant steel in acid, alkali, salt.Cold-rolled strip is with hot rolling steel billet as raw material, through overpickling, rolls
System, annealing are made.
The cold rolling process of a kind of very thin steel band disclosed in Chinese patent CN104646417A, the method in roll-force is
Under conditions of 7500～15000KN, make, through 7 passes, the steel band that thickness is 0.1～0.2mm, at the bar of bigger roll-force
Under part, improve mill speed and reduction in pass.Disclosed in Chinese patent CN102029290B, a kind of hard state stainless steel band is cold
Rolling method, during breaking down, cold rolling 6-7 passage, in finishing stands, cold rolling 3-4 passage, rolling tensile force is respectively 6-12KN
And 2-5KN, and the speed employing 120m/min holding of breaking down is constant, improves end properties quality, can meet finished product
Mechanical property requirements.But the roll-force of said method or mill speed keep constant in the operation of rolling, for different qualities
Hot rolling steel billet raw material, obtain end product quality and also differ, therefore said method can not be at different qualities, different-stiffness raw material
In cold-rolling process general, and production efficiency is the most relatively low.
Summary of the invention
For the problems referred to above, for overcoming different quality hot rolling steel billet raw material to obtain the thickness of finished product, product through cold-rolling process
Matter is different, and for the measurement error problem of thickness of strips in the production efficiency of like products and the operation of rolling, this practicality is newly
Type provides a kind of belt steel rolling force control device.By being provided above thickness transducer walking track at steel band, it is achieved that thick
The transverse shifting of degree sensor, it is possible to the thickness of detection steel band diverse location so that error information detection is less；On calculating
The total reduction that one rolling process obtains, changes the roll-force in the operation of rolling and mill speed, has saved man-hour, improves production effect
Rate and production capacity；By PLC controlled rolling power and the increase and decrease of mill speed, less manual labor.
This utility model takes techniques below scheme to be attained in that
A kind of belt steel rolling force control device, including roll stacks (1), thickness transducer (2), sensor walking track (3),
PLC (4)；Described sensor walking track (3) is arranged on the both sides up and down at roll stacks two ends, the sensor of upper and lower both sides
Walking track (3) equal with the distance of steel billet (5), all parallel with the width of steel band, and with frame fix be connected；Described thickness
Degree sensor (2) is slidably connected with sensor walking track (3)；PLC (4) respectively with thickness transducer (2), sensor
Walking track (3) electrical connection.
The step of its control method is:
1) raw material prepares, and hot-strip 3.0-4.0mm is thick；Start PLC (4) power supply, roll-force, rolling are set
Speed, the first rolling process roll-force scope 8000-10000KN, the first rolling process mill speed scope 320-330m/min；
2) breaking down, outlet side thickness transducer (2) is in sensor walking track (3) upper timing detection width of steel band, time
Scope is the 1-5 second；If detection thickness is 0 or runs to sensor walking track (3) edge, the most reversely walk, and not record
The data detected；
3), after each rolling process terminates, the meansigma methods of PLC (4) calculated thickness sensor (2) this rolling process detection is with total
Reduction ratio, the total reduction of the current rolling process of comparison and the total reduction of a upper rolling process:
If a) total reduction≤upper rolling process total reduction+15% or total reduction >=upper rolling process total reduction+25%, then
PLC (4) promotes next rolling process roll-force and mill speed, and lifting capacity is respectively 1000KN-1200KN, 100-150m/
min；
If an if b) upper upper rolling process total reduction+25% of rolling process total reduction+15% ＜ total reduction ＜, then PLC control
Device (4) promotes next rolling process mill speed and keeps roll-force constant, and lifting capacity is 100-250m/min；
If c) 90%≤total pressure rate ＜ 95% down, then PLC (4) promotes next rolling process mill speed and keeps roll-force
Constant, lifting capacity is 50-100m/min；
If d) total pressure rate >=95% down, then stop rolling.
The beneficial effects of the utility model are:
This utility model uses PLC to calculate the total reduction of every rolling pass, controls the roll-force of every section of rolling process
And mill speed, compared with the mode constant with roll-force or mill speed, save rolling time, improve production efficiency.
This utility model uses sensor walking track and thickness transducer, it is achieved that the transverse shifting of thickness transducer,
Making the thickness of multiple spot on sensor measurement width of steel band, the data obtained are more accurate, reduce the error of thickness measure.
This utility model passes through PLC controlled rolling power and the increase and decrease of mill speed, it is achieved that it is complete that steel band rolls
Automatization, decreases manpower consumption.
Accompanying drawing explanation
Fig. 1 is: this utility model cold rolling band steel force control device structural representation.
Fig. 2 is: this utility model cold rolling band steel force control device sensor walking track top view.
In figure:
1, roll stacks；2, thickness transducer；3, sensor walking track；4, PLC；5, steel billet.
Detailed description of the invention
This utility model is illustrated by 1-2 and comparative example, embodiment 1-2 below in conjunction with the accompanying drawings.
Comparative example:
The comparative example hot rolled strip with thickness as 3.0mm, as raw material, keeps not under conditions of roll-force is 9000KN
Become, make, through 7 passes, the steel band that thickness is 0.18mm；During 7 passes, mill speed is 325～1080m/min
In the range of increase successively by passage, 51 minutes used times.The operation of rolling parameter such as following table of comparative example:
Embodiment 1:
The belt steel rolling force control device that embodiment 1 uses, including roll stacks (1), thickness transducer (2), sensor row
Walk track (3), PLC (4)；Described sensor walking track (3) is arranged on the both sides up and down at roll stacks two ends, and upper and lower two
Sensor walking track (3) of side is equal with the distance of steel billet (5), all parallel with the width of steel band, and fixes with frame
Connect；Described thickness transducer (2) is slidably connected with sensor walking track (3)；PLC (4) senses with thickness respectively
Device (2), sensor walking track (3) electrical connection.
The step of its control method is:
1) raw material prepares, and hot-strip 3.0mm is thick；Start PLC (4) power supply, breaking down roll-force is set
8000KN, mill speed 320m/min；
2) the first rolling process, exit thickness sensor (2) detects width of steel band in the upper timing of sensor walking track (3), time
Between scope be 5 seconds；If detection thickness is 0 or runs to walking rail flanges, the most reversely walk, and do not record the number detected
According to；
3) rolling process terminates, meansigma methods 1.9mm that PLC (4) calculated thickness sensor (2) detects, total reduction 37%
The upper rolling process total reduction 0+25% of ＞, PLC (4) promotes next rolling process roll-force 1000KN, is promoted to 9000KN, carries
Rise next rolling process mill speed 100m/min, be promoted to 420m/min；
4) rolling process terminates, meansigma methods 1.35mm that PLC (4) calculated thickness sensor (2) detects, if a upper rolling process
The upper rolling process total reduction 37%+25% of total reduction 37%+15% ＜ total reduction 55% ＜, next rolling process roll-force is constant, PLC
Controller (4) promotes next rolling process mill speed 100m/min, is promoted to 520 m/min；
5) rolling process terminates, meansigma methods 1.11mm that PLC (4) calculated thickness sensor (2) detects, total reduction
The upper rolling process total reduction 55%+15% of 63% ＜, PLC (4) promotes next rolling process roll-force 1000KN, is promoted to
10000KN, promotes next rolling process mill speed 100m/min, is promoted to 620m/min；
6) rolling process terminates, meansigma methods 0.8mm that PLC (4) calculated thickness sensor (2) detects, total reduction 70%
The upper rolling process total reduction 63%+15% of ＜, PLC (4) promotes next rolling process roll-force 1000KN, is promoted to
11000KN, is promoted to promote next rolling process mill speed 100m/min, is promoted to 720m/min；
7) rolling process terminates, and meansigma methods 0.3mm that PLC (4) calculated thickness sensor (2) detects, under 90%≤stagnation pressure
Rate 90% ＜ 95%, next rolling process roll-force is constant, and PLC (4) promotes next rolling process mill speed 50m/min, is promoted to
770m/min；
8) rolling process terminates, meansigma methods 0.2mm that PLC (4) calculated thickness sensor (2) detects, under 90% ＜ stagnation pressure
Rate 93% ＜ 95%, next rolling process roll-force is constant, promotes next rolling process mill speed 50m/min, is promoted to 820m/min；
9) rolling process terminates, meansigma methods 0.15mm that PLC (4) calculated thickness sensor (2) detects, total reduction
95%=95%, stops rolling.
The operation of rolling used time 43.4min of embodiment 1, parameter such as following table:
Embodiment 2:
The belt steel rolling force control device that embodiment 2 uses, including roll stacks (1), thickness transducer (2), sensor row
Walk track (3), PLC (4)；Described sensor walking track (3) is arranged on the both sides up and down at roll stacks two ends, and upper and lower two
Sensor walking track (3) of side is equal with the distance of steel billet (5), all parallel with the width of steel band, and fixes with frame
Connect；Described thickness transducer (2) is slidably connected with sensor walking track (3)；PLC (4) senses with thickness respectively
Device (2), sensor walking track (3) electrical connection.
The step of its control method is:
1) raw material prepares, and hot-strip 3.0mm is thick；Start PLC (4) power supply, breaking down roll-force is set
10000KN, mill speed 330m/min；
2) the first rolling process, exit thickness sensor (2) detects width of steel band in the upper timing of sensor walking track (3), time
Between scope be 2 seconds；If detection thickness is 0 or runs to walking rail flanges, the most reversely walk, and do not record the number detected
According to；
3) rolling process terminates, meansigma methods 1.8mm that PLC (4) calculated thickness sensor (2) detects, total reduction 40%
The upper rolling process total reduction 0+25% of ＞, PLC (4) promotes next rolling process roll-force 1200KN, is promoted to 11200KN, carries
Rise next rolling process mill speed 150m/min, be promoted to 480m/min；
4) rolling process terminates, meansigma methods 1.3mm that PLC (4) calculated thickness sensor (2) detects, and a upper rolling process is total
The upper rolling process total reduction 40%+25% of reduction ratio 40+15% ＜ total reduction 57% ＜, next rolling process roll-force is constant, and PLC controls
Device (4) promotes next rolling process mill speed 200m/min, is promoted to 680m/min；
5) rolling process terminates, meansigma methods 1.08mm that PLC (4) calculated thickness sensor (2) detects, total reduction
The upper rolling process total reduction 57+15% of 64% ＜, PLC (4) promotes next rolling process roll-force 1200KN, is promoted to
12400KN, promotes next rolling process mill speed 150m/min, is promoted to 830m/min；
6) rolling process terminates, meansigma methods 0.6mm that PLC (4) calculated thickness sensor (2) detects, and a upper rolling process is total
The upper rolling process total reduction 64%+25% of reduction ratio 64%+15% ＜ total reduction 80% ＜, next rolling process roll-force is constant, and PLC is controlled
Device processed (4) promotes next rolling process mill speed 200m/min, is promoted to 1030m/min；
7) rolling process terminates, meansigma methods 0.35mm that PLC (4) calculated thickness sensor (2) detects, total reduction
The upper rolling process total reduction 80%+15% of 88% ＜, PLC (4) promotes next rolling process roll-force 1200KN, is promoted to
13600KN, promotes next rolling process mill speed 150m/min, is promoted to 1180m/min；
8) rolling process terminates, meansigma methods 0.2mm that PLC (4) calculated thickness sensor (2) detects, 90% ＜ stagnation pressure
Lower rate 93% ＜ 95%, next rolling process roll-force is constant, promotes next rolling process mill speed 50m/min, is promoted to 1230/min；
9) rolling process terminates, meansigma methods 0.14mm that PLC (4) calculated thickness sensor (2) detects, total reduction
Total reduction total reduction 95%=95%, stops rolling.
The operation of rolling used time 43min of embodiment 2, parameter such as following table:
The technical solution of the utility model, compared with comparative example, has saved rolling time, improves production efficiency；Reduce
The error of thickness measure, it is achieved that the full-automation of steel band rolling, decreases manpower consumption.
Claims (1)
1. a belt steel rolling force control device, it is characterised in that: include roll stacks (1), thickness transducer (2), sensor row
Walk track (3), PLC (4)；Described sensor walking track (3) is arranged on the both sides up and down at roll stacks (1) two ends, on
Sensor walking track (3) of lower both sides is equal with the distance of steel billet (5), all parallel with the width of steel band, and and frame
Fixing connection；Described thickness transducer (2) is slidably connected with sensor walking track (3)；PLC (4) respectively with thickness
Sensor (2), sensor walking track (3) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620612515.1U CN205851562U (en) | 2016-06-21 | 2016-06-21 | A kind of belt steel rolling force control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620612515.1U CN205851562U (en) | 2016-06-21 | 2016-06-21 | A kind of belt steel rolling force control device |
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| Publication Number | Publication Date |
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| CN205851562U true CN205851562U (en) | 2017-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964703A (en) * | 2016-06-21 | 2016-09-28 | 广西梧州市金海不锈钢有限公司 | Steel strip rolling force control device and control method |
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2016
- 2016-06-21 CN CN201620612515.1U patent/CN205851562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964703A (en) * | 2016-06-21 | 2016-09-28 | 广西梧州市金海不锈钢有限公司 | Steel strip rolling force control device and control method |
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