CN105903770A - Thin-steel-plate rolling adjusting device and method - Google Patents
Thin-steel-plate rolling adjusting device and method Download PDFInfo
- Publication number
- CN105903770A CN105903770A CN201610457264.9A CN201610457264A CN105903770A CN 105903770 A CN105903770 A CN 105903770A CN 201610457264 A CN201610457264 A CN 201610457264A CN 105903770 A CN105903770 A CN 105903770A
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- CN
- China
- Prior art keywords
- steel plate
- rolling
- radix
- milling train
- thin specification
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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
- B21B37/72—Rear end control; Front end control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2273/00—Path parameters
- B21B2273/12—End of product
- B21B2273/16—Tail or rear end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/04—Roll speed
- B21B2275/05—Speed difference between top and bottom rolls
Abstract
The invention relates to a thin-steel-plate rolling adjusting device and method, and belongs to the technical field of metallurgy steel rolling. The device comprises a rolling mill and a conveying roller way, a steel plate is arranged on the conveying roller way in a conveyed manner, the front side and the rear side of the rolling mill are each provided with a detector, and the detectors and the rolling mill are electrically connected with an electric control device; an operation table board is arranged on the electric control device, and a cardinal number tuning-up display screen and an operation key are arranged on the operation table board; and the device has the beneficial effects that tail micro warping during steel plate throwing out can be achieved, the aim that during repeated rolling, a steel plate is smoothly bitten is achieved, the quality and shutdown time problems caused by buckling of the tail of the steel plate can be solved, and efficient production of a thin product can be achieved.
Description
Technical field
The present invention relates to a kind of thin specification steel plate rolling adjusting apparatus and method, belong to metallurgical technical field of steel rolling.
Background technology
Cut deal reversible mill is when carrying out the rolling of 4-10mm thin specification steel plate, owing to rolled piece is thin, temperature drop fast,
Rolled piece is affected by process conditions such as upper following table temperature difference, motor characteristic condition and roll shapes in process of production,
When steel plate is dished out, afterbody is often in lower button phenomenon, when especially producing high intensity Thin Specs plate, becomes apparent from.By
This causes, and produces in the operation of rolling and the fault in productions such as Steel Plate Guide Drill roller-way seam, backplate seam easily occurs, causes life
Product has some setbacks, bigger on rolling stability impact.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of thin specification steel plate rolling adjusting apparatus and side
Method, can realize when steel plate is dished out that afterbody is micro-to be stuck up, it is achieved during reciprocal rolling, steel plate is nipped smoothly, can avoid due to steel
Detain the quality problems caused and downtime under plate afterbody, it is possible to realize the high-efficiency reform of thin slab product.
Technical scheme is as follows: a kind of thin specification steel plate rolling adjusting apparatus, including milling train and conveying roller
Road, on described rollgang, conveying has steel plate, the front side of described milling train and rear side to be equipped with detector, described inspection
Surveying device and milling train is electrically connected with electric control gear, electric control gear is provided with operating table surface, and described operating table surface is provided with
Tune sticks up radix display screen and operation button.
Technical scheme also includes: the distance between described detector and milling train is 5～10 meters.
Technical scheme also includes: the distance between described detector and milling train is 6 meters.
Technical scheme also includes: described detector is fixed by mounting bracket.
Technical scheme also includes: described mounting bracket includes installing hole and arcuate socket.
Technical scheme also includes: described detector is heat inspection sensor, the survey of described heat inspection sensor
Amount temperature scope is 300～1400 DEG C.
A kind of thin specification steel plate rolling method of adjustment, mainly comprises the steps that
Step one, is sent to automatically controlled dress by the roll-force signal of milling train and the steel plate run location signal of detector detection
Put；
Step 2, according to rolled plate type and the thickness of needs rolling, sets tune in operating table surface and sticks up radix；
Step 3, when the roll-force of milling train is more than 350 tons, and, the steel plate run location signal of detector from have to
Without time, adjust and stick up function and enable, electric control gear sticks up radix according to the tune set and controls milling train and accelerate the rotating speed of lower roll；
Step 4, when the roll-force of milling train is zero, adjusts and sticks up function cancellation；
Wherein, adjust and stick up radix and refer to the lower roll of milling train and the speed difference of upper roller.
Technical scheme also includes: described tune sticks up the fluctuation range of radix in 0.4 rev/min.
Technical scheme also includes: when rolling thickness is identical, and the tune of high-level steel grade sticks up radix and is more than
The tune of common steel grade sticks up radix.
Technical scheme also includes: when rolling common steel grade Q345B, when rolling thickness be respectively 6mm,
When 8mm, 10mm, correspondingly adjust and stick up radix and be respectively 2.4,2.0,1.6；Roll high-level steel grade Q460C
Time, when rolling thickness is respectively 6mm, 8mm, 10mm, correspondingly adjust stick up radix be respectively 2.8,2.4,
2.0。
The invention has the beneficial effects as follows: stick up radix by design tune and control to carry the movement locus change of steel plate tail
Change, can realize after steel plate is dished out that afterbody is micro-sticks up state, it is achieved steel plate suitable during reciprocal rolling between reversible mill
Profit is nipped, it is possible to solve to stick up in production process the instability problem of cingulum；Optimize design steel plate rolling control simultaneously
Processing procedure sequence, can realize the high-efficiency reform of below 10mm thin slab product, it is possible to meet the market demand, obtains
Good economic benefit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic diagram of operating table surface of the present invention.
Fig. 3 is the schematic top plan view of detector of the present invention.
Fig. 4 is the schematic side view of detector of the present invention.
In figure: 1, milling train, 2, steel plate, 3, rollgang, 5, electric control gear, 6, operating table surface, 61,
Tune sticks up radix display screen, 62, operation button, 7, detector, 8, mounting bracket, 81, installing hole, 82,
Arcuate socket.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
As shown in Figures 1 to 4, the present invention is that afterbody is micro-to be stuck up in order to realize when steel plate is dished out, to realize reciprocal rolling
Time steel plate nip smoothly, overcome thin specification steel plate afterbody in process of production produce discount and cause Steel Plate Guide Drill roller-way
Seam, backplate seam problem, and then avoid under steel plate tail detain phenomenon cause unnecessary quality problems and shut down time
Between, finally realize the high-efficiency reform of thin slab product.It can be production 4-10mm Thin Specs steel smoothly of the same trade
Panel products provides good theoretical reference and instance analysis, can drive Thin Specs Heavy Plate Production precision and stability
Lifting, there is promotion and application prospect.
A kind of thin specification steel plate rolling adjusting apparatus of the present invention, including milling train 1 He rolling steel plate 2
The rollgang 3 of conveying steel plate 2, is equipped with detector 7, detector 7 He in the front side of milling train 1 and rear side
Milling train 1 is electrically connected with electric control gear 5.In the operation of rolling, steel throwing distance is to ensure that thin specification steel plate rolling rhythm
Key, at the forward and backward detector 7 that arranges of milling train 1, particularly heat inspection sensor, its measurement temperature range is
300-1400℃.Detector 7 is utilized to be used as throwing the judgement point of steel signal, by regulating the position of hot detecting/monitoring point
Put the little scope realizing throwing steel signal adjustable, control accurately.
In embodiments of the invention, the distance between detector 7 and milling train 1 is 5～10 meters, specifically, when
When distance between detector and milling train is 6 meters, resultant effect is preferable.Detector 7 is solid by mounting bracket 8
Fixed, mounting bracket 8 is provided with installing hole 81 and arcuate socket 82, it is possible to increase the scope of application is installed.
As depicted in figs. 1 and 2, electric control gear 5 is provided with operating table surface 6, and this operating table surface 6 is provided with tune
Stick up radix display screen 61 and operation button 62.Specifically, according to rolling steel grade specification and depth information, behaviour
Make to select on table top 6 suitably to stick up tail radix.By operation interface click on "+" or "-" operation button
62 are increased or decreased radix, altogether design 10 grades, often click on 1 time and regulate 1 grade, 0.4 rev/min every grade,
Arranging maximum adjustable rotating speed is 4 revs/min, minimum 0.
A kind of thin specification steel plate rolling method of adjustment of the present invention, mainly comprises the steps that
Step one, is sent to automatically controlled dress by the roll-force signal of milling train and the steel plate run location signal of detector detection
Put；
Step 2, according to rolled plate type and the thickness of needs rolling, sets tune in operating table surface and sticks up radix；
Step 3, when the roll-force of milling train is more than 350 tons, and, the steel plate run location signal of detector from have to
Without time, adjust and stick up function and enable, electric control gear sticks up radix according to the tune set and controls milling train and accelerate the rotating speed of lower roll；
Step 4, when the roll-force of milling train is zero, adjusts and sticks up function cancellation；
Wherein, adjust and stick up radix and refer to the lower roll of milling train and the speed difference of upper roller.
Heat inspection sensor before milling train 1, after machine is used as the judgement point of signal, during steel plate rolling, when
The detector 7 of forward and backward position detect steel plate run location signal from have to without time, afterbody is adjusted and is stuck up Automatic Program and open
With, adjust the next engine speed and accelerate, be zero to adjust as afterbody and stick up Automatic Program and take using the draught pressure of milling train 1
The signal disappeared.
In embodiments of the invention, afterbody is adjusted and stick up radix to be controlled rule to be, along with steel grade intensity increases, to stick up tail base
Number strengthens, and along with steel plate thickness specification reduces, sticks up tail radix and strengthens.As rolled common steel grade in low-alloy series
During Q345B, 6mm, 8mm, 10mm tune sticks up radix and is respectively 2.4,2.0,1.6；And roll low-alloy series
During middle higher level steel grade Q460C, 6mm, 8mm, 10mm tune sticks up radix and is respectively 2.8,2.4,2.0.
Each steel grade specification afterbody is adjusted and is stuck up radix setting table:
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction,
Done all any amendment, equivalent and improvement etc., should be included in this
Within the protection domain of invention.
Claims (10)
1. a thin specification steel plate rolling adjusting apparatus, including milling train (1) and rollgang (3), described conveying roller
The upper conveying in road (3) has steel plate (2), it is characterised in that: front side and the rear side of described milling train (1) are equipped with inspection
Surveying device (7), described detector (7) and milling train (1) are electrically connected with electric control gear (5), electric control gear (5)
Being provided with operating table surface (6), described operating table surface (6) is provided with tune and sticks up radix display screen (61) and operation
Button (62).
2. a kind of thin specification steel plate rolling adjusting apparatus as claimed in claim 1, it is characterised in that: described detection
Distance between device (7) and milling train (1) is 5～10 meters.
3. a kind of thin specification steel plate rolling adjusting apparatus as claimed in claim 2, it is characterised in that: described detection
Distance between device (7) and milling train (1) is 6 meters.
4. a kind of thin specification steel plate rolling adjusting apparatus as claimed in claim 3, it is characterised in that: described detection
Device (7) is fixed by mounting bracket (8).
5. a kind of thin specification steel plate rolling adjusting apparatus as claimed in claim 4, it is characterised in that: described installation
Support (8) includes installing hole (81) and arcuate socket (82).
6. a kind of thin specification steel plate rolling adjusting apparatus as described in claim 1 to 5 is arbitrary, it is characterised in that:
Described detector (7) is heat inspection sensor, and the measurement temperature range of described heat inspection sensor is 300～1400 DEG C.
7. it is micro-that the thin specification steel plate rolling adjusting apparatus that a kind uses described in any of the above-described claim carries out steel plate tail
The method sticking up adjustment, mainly comprises the steps that
Step one, the steel plate run location signal transmission that roll-force signal and the detector (7) of milling train (1) are detected
To electric control gear (5)；
Step 2, according to rolled plate (2) type and the thickness of needs rolling, sets tune in operating table surface (6)
Stick up radix；
Step 3, when the roll-force of milling train (1) is more than 350 tons, and, the steel plate run location of detector (7)
Signal from have to without time, adjust and stick up function and enable, electric control gear (5) sticks up radix according to the tune set and controls milling train
(1) rotating speed of lower roll is accelerated；
Step 4, when the roll-force of milling train (1) is zero, adjusts and sticks up function cancellation；
Wherein, adjust and stick up radix and refer to the lower roll of milling train (1) and the speed difference of upper roller.
8. a kind of thin specification steel plate rolling method of adjustment as claimed in claim 7, it is characterised in that: described tune sticks up
The fluctuation range of radix is in 0.4 rev/min.
9. a kind of thin specification steel plate rolling method of adjustment, it is characterised in that: when rolling
When thickness processed is identical, the tune of high-level steel grade sticks up radix and sticks up radix more than the tune of common steel grade.
10. a kind of thin specification steel plate rolling method of adjustment as claimed in claim 9, it is characterised in that: rolling is common
During steel grade Q345B, when rolling thickness is respectively 6mm, 8mm, 10mm, correspondingly adjusts and stick up radix respectively
2.4、2.0、1.6；When rolling high-level steel grade Q460C, when rolling thickness is respectively 6mm, 8mm, 10mm
Time, correspondingly adjust and stick up radix and be respectively 2.8,2.4,2.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457264.9A CN105903770A (en) | 2016-06-22 | 2016-06-22 | Thin-steel-plate rolling adjusting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457264.9A CN105903770A (en) | 2016-06-22 | 2016-06-22 | Thin-steel-plate rolling adjusting device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105903770A true CN105903770A (en) | 2016-08-31 |
Family
ID=56758259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457264.9A Pending CN105903770A (en) | 2016-06-22 | 2016-06-22 | Thin-steel-plate rolling adjusting device and method |
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|---|---|
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Citations (9)
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|---|---|---|---|---|
| CN1478615A (en) * | 2003-03-28 | 2004-03-03 | 西安建筑科技大学 | Medium thickness plate shape warping on line control device and method |
| KR100804946B1 (en) * | 2007-04-12 | 2008-02-20 | 주식회사 포스코 | Method for reducing front-end bending of rolled steel plate |
| JP2010172927A (en) * | 2009-01-29 | 2010-08-12 | Jfe Steel Corp | Method of controlling terminal warp of rolled material |
| CN101811141A (en) * | 2010-04-15 | 2010-08-25 | 南京钢铁股份有限公司 | Novel method for controlling plate shape of heavy and medium plate mill |
| CN101920270A (en) * | 2009-06-12 | 2010-12-22 | 宝山钢铁股份有限公司 | Device and method for detecting and controlling tilting buckle head of band steel in rough rolling process |
| CN102366761A (en) * | 2011-09-16 | 2012-03-07 | 山西太钢不锈钢股份有限公司 | Method for preventing end curling of hot-rolled stainless steel |
| CN102836883A (en) * | 2011-06-23 | 2012-12-26 | 宝山钢铁股份有限公司 | Control method for upward and downward head bending of plate blank |
| CN104624665A (en) * | 2015-01-09 | 2015-05-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for controlling rough rolling squat in continuous hot rolling strip |
| CN205904235U (en) * | 2016-06-22 | 2017-01-25 | 山东钢铁股份有限公司 | Thin specification steel plate rolling adjusting device |
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2016
- 2016-06-22 CN CN201610457264.9A patent/CN105903770A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| CN1478615A (en) * | 2003-03-28 | 2004-03-03 | 西安建筑科技大学 | Medium thickness plate shape warping on line control device and method |
| KR100804946B1 (en) * | 2007-04-12 | 2008-02-20 | 주식회사 포스코 | Method for reducing front-end bending of rolled steel plate |
| JP2010172927A (en) * | 2009-01-29 | 2010-08-12 | Jfe Steel Corp | Method of controlling terminal warp of rolled material |
| CN101920270A (en) * | 2009-06-12 | 2010-12-22 | 宝山钢铁股份有限公司 | Device and method for detecting and controlling tilting buckle head of band steel in rough rolling process |
| CN101811141A (en) * | 2010-04-15 | 2010-08-25 | 南京钢铁股份有限公司 | Novel method for controlling plate shape of heavy and medium plate mill |
| CN102836883A (en) * | 2011-06-23 | 2012-12-26 | 宝山钢铁股份有限公司 | Control method for upward and downward head bending of plate blank |
| CN102366761A (en) * | 2011-09-16 | 2012-03-07 | 山西太钢不锈钢股份有限公司 | Method for preventing end curling of hot-rolled stainless steel |
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Application publication date: 20160831 |