CN112024604B - Strip breakage control system of cold rolling unit - Google Patents
Strip breakage control system of cold rolling unit Download PDFInfo
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- CN112024604B CN112024604B CN202010966942.0A CN202010966942A CN112024604B CN 112024604 B CN112024604 B CN 112024604B CN 202010966942 A CN202010966942 A CN 202010966942A CN 112024604 B CN112024604 B CN 112024604B
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- shearing
- control system
- cold rolling
- shaft
- roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
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- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
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- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/165—Control of thickness, width, diameter or other transverse dimensions responsive mainly to the measured thickness of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a strip breakage control system of a cold rolling unit, which comprises a feed roll, a straightening machine, a defect detection device, a thickness gauge, a shearing machine, a tension roll, a soaking tank, a drying machine, a pinch roll, a discharge roll and a control system, wherein the feed roll is arranged on the straightening machine; one end of the straightening machine is connected with the feeding roller, the other end of the straightening machine is connected with the defect detection device, one end of the thickness gauge is connected with the defect detection device, the other end of the thickness gauge is connected with the shearing machine, one end of the soaking tank is connected with the shearing machine through a tension roller, the other end of the soaking tank is connected with the drying machine through a tension roller, and the drying machine is connected with the discharging roller through a pinch roller; the control system controls the cold rolling unit to be opened or closed, realizes the control of strip breakage of the cold rolling unit and improves the quality of strip steel.
Description
Technical Field
The invention relates to the technical field of cold rolling unit strip breakage, in particular to a cold rolling unit strip breakage control system.
Background
The cold rolling unit can produce steel products with high added value, has the characteristics of good surface quality, high dimensional precision, good machining performance and the like, and is an essential raw material for industries such as automobiles, household appliances, food packaging, buildings and the like.
However, the existing cold rolling unit has the condition of belt breakage, and the belt breakage of the cold rolling unit is mostly caused by poor shearing quality of the trimming shears; the edge of the hot-rolled strip steel has a large cracked edge, and the cracked edge enters a rolling mill and then extends to the middle of the strip steel under the action of large tension and rolling force of the rolling mill to finally break.
Due to the improvement of the industry standard in recent years, the quality of cold-rolled strip products is required to be higher and higher in the cold-rolling downstream industry, and a strip breakage control system of a cold-rolling mill unit is urgently needed.
Disclosure of Invention
The invention provides a strip breakage control system of a cold rolling unit to solve the problem of strip steel breakage, so that the strip breakage control of the cold rolling unit is realized and the quality of strip steel is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a strip breakage control system of a cold rolling unit comprises a feeding roller, a straightening machine, a defect detection device, a thickness gauge, a shearing machine, a tension roller, a soaking tank, a drying machine, a pinch roller, a discharge roller and a control system; one end of the straightening machine is connected with the feeding roller, the other end of the straightening machine is connected with the defect detection device, one end of the thickness gauge is connected with the defect detection device, the other end of the thickness gauge is connected with the shearing machine, one end of the soaking tank is connected with the shearing machine through a tension roller, the other end of the soaking tank is connected with the drying machine through a tension roller, and the drying machine is connected with the discharging roller through a pinch roller; the control system controls the cold rolling unit to be opened or closed. The steel strip enters through the feeding roller and is corrected through the straightener, the corrected steel strip can find the defects of the steel strip in advance through the defect detection device and take measures, when the defect detection device detects that the defects such as cracked edges, holes and the like are too large, the control system controls the cold rolling unit to be closed, when the defect detection device detects that the defects such as the cracked edges, the holes and the like are within a set value, the cold rolling unit enters into the thickness gauge, the thickness gauge detects thickness fluctuation which cannot be detected by the surface defect detection device, the detected thickness fluctuation is sent to the control system, the control system sends the thickness fluctuation to the control system to judge according to the thickness fluctuation, the risk of strip breakage is reduced, the shearing machine shears the steel strip passing through the cold rolling unit, and as the steel strip is removed with iron scales before cold rolling to ensure the product quality of the cold rolled steel strip, the effect of the soaking tank on the steel strip is improved, and then can get rid of the iron scale, the drying-machine can be dried the belted steel that enters into in the soaking groove, and the belted steel after the stoving is accomplished passes through the circle shear and cuts edge, and the steel band after the edge cut is accomplished passes through the pinch roll and enters into the discharge roller, and then can realize the control of cold rolling unit broken tape.
As a further improvement of the above technical solution, the shearing machine includes a base, a transmission device, two shearing machine bodies and two moving devices, the two shearing machine bodies are symmetrically arranged, the transmission device is connected with the shearing machine bodies, one end of the moving device is connected with the base, and the other end of the moving device is connected with the shearing machine bodies and drives the shearing machine bodies to move on the base.
As a further improvement of the above technical solution, the shear body includes an upper shear shaft, a lower shear shaft, a transmission shaft, a reduction motor and an adjusting mechanism; go up to cut epaxial shear blade and the eccentric cover that is provided with, the one end of eccentric cover with gear motor connects, the other end of eccentric cover with go up to cut the hub connection, transmission with gear motor connects, cut the blade set up in go up to cut epaxially, down cut the axle with guiding mechanism connects, down cut the axle do axial displacement and with through the lead screw under guiding mechanism's control and with go up the cooperation of cutting the axle, cut the limit portion of steel band, and then improve the shearing effect of steel band.
Compared with the prior art, the invention has the beneficial effects that: the strip steel enters through the feeding roller and is corrected through the straightener, the corrected strip steel can find the defects of the strip steel in advance through the defect detection device and take measures, when the defect detection device detects that the defects such as cracked edges, holes and the like are too large, the control system controls the cold rolling unit to be closed, when the defect detection device detects that the defects such as the cracked edges, the holes and the like are within a set value, the strip steel enters into the thickness gauge, the thickness gauge detects thickness difference fluctuation which cannot be detected by the surface defect detection device, the detected thickness difference fluctuation is sent to the control system, the control system sends the thickness difference fluctuation to the control system to judge, if the thickness deviation exceeds an allowable value within a certain time, a deceleration function is started, the speed is reduced to a strip passing speed, and then the risk of strip breakage is reduced, and the shearing machine shears the strip steel passing through the cold rolling unit, because the iron scale of the strip steel is removed before cold rolling so as to ensure the product quality of the cold-rolled strip steel, the sheared strip steel enters the soaking tank under the action of the tension roller, a dissolving agent is arranged in the soaking tank so as to remove the iron scale, the strip steel entering the soaking tank can be dried by the dryer, the edge of the dried strip steel is cut by the disc shear, the cut strip steel enters the discharge roller through the pinch roller, and the strip breakage of the cold-rolling mill set can be controlled.
The shearing machine is used for shearing the edge of the steel strip, so that the shearing effect of the steel strip is improved, and the strip breakage of the cold rolling unit is easier to control.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the shear of the present invention;
fig. 3 is a schematic structural view of the shear body according to the present invention.
In the drawings: the device comprises a feed roll 1, a straightener 2, a defect detection device 3, a thickness gauge 4, a shearing machine 5, a tension roll 6, a soaking tank 7, a dryer 8, a pinch roll 9, a discharge roll 10, a control system 11, a base 12, a transmission device 13, a shearing machine body 14, a moving device 15, an upper shearing shaft 16, a lower shearing shaft 17, a transmission shaft 18, a speed reduction motor 19, an adjusting mechanism 20, a shearing blade 21 and an eccentric sleeve 22.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a strip breakage control system of a cold rolling mill unit comprises a feed roll 1, a straightener 2, a defect detection device 3, a thickness gauge 4, a shearing machine 5, a tension roll 6, a soaking tank 7, a dryer 8, a pinch roll 9, a discharge roll 10 and a control system 11; one end of the straightening machine 2 is connected with the feeding roller 1, the other end of the straightening machine 2 is connected with the defect detection device 3, one end of the thickness gauge 4 is connected with the defect detection device 3, the other end of the thickness gauge 4 is connected with the shearing machine 5, one end of the soaking tank 7 is connected with the shearing machine 5 through a tension roller 6, the other end of the soaking tank 7 is connected with the drying machine 8 through the tension roller 6, and the drying machine is connected with the discharge roller 10 through a pinch roller 9; the control system controls the cold rolling unit to be opened or closed. When the steel strip straightening machine is used, the steel strip enters through the feeding roller and is corrected through the straightening machine, the corrected steel strip can find the defects of the steel strip in advance through the defect detection device and take measures, when the defect detection device detects that the defects such as cracked edges, holes and the like are overlarge, the control system controls the cold rolling unit to be closed, when the defect detection device detects that the defects such as the cracked edges, the holes and the like are in a set value, the steel strip enters the thickness gauge, the thickness gauge detects thickness variation fluctuation which cannot be detected by the surface defect detection device, the detected thickness variation fluctuation is sent to the control system, the control system sends the thickness variation to the control system to judge according to the thickness variation, if the thickness variation exceeds an allowable value within a certain time, the speed reduction function is started, the speed is reduced to the strip threading speed, the risk of strip breakage is further reduced, and the shearing machine shears the steel strip passing through the cold rolling unit, because the product quality of oxide scale in order to guarantee cold-rolled strip steel is got rid of to belted steel before cold rolling, so the belted steel that the shearing was accomplished enters into the soaking inslot under the effect of tension roller, be equipped with dissolving agent and its inside water level sensor that is provided with in the soaking inslot, water level sensor is used for detecting the water height in the soaking inslot to in order to improve the soaking groove and to the effect of steel band, and then can get rid of the oxide scale, the drying-machine can dry the belted steel that enters into the soaking inslot, and the belted steel after the stoving is accomplished passes through the circle shear and cuts edge, and the steel band after the edge cut is accomplished passes through the pinch roll and enters into the discharge roller, and then can realize the control of cold rolling mill group breaking of strips.
Referring to fig. 2-3, in order to improve the shearing effect of the strip steel, the shearing machine 5 includes a base 12, two transmission devices 13, two shearing machine bodies 14 and a moving device 15, the two shearing machine bodies 14 are symmetrically arranged, the transmission devices 13 are connected with the shearing machine bodies 14, one end of the moving device 15 is connected with the base 12, and the other end of the moving device 15 is connected with the shearing machine body 14 and drives the shearing machine body to move on the base 12.
The shearing machine body comprises an upper shearing shaft 16, a lower shearing shaft 17, a transmission shaft 18, a speed reducing motor 19 and an adjusting mechanism 20; the upper shearing shaft 16 is provided with a shearing blade 21 and an eccentric sleeve 22, one end of the eccentric sleeve 22 is connected with the speed reducing motor 19, the other end of the eccentric sleeve 22 is connected with the upper shearing shaft 16, the transmission device 13 is connected with the speed reducing motor 19, the shearing blade 21 is arranged on the upper shearing shaft 16, the lower shearing shaft 17 is connected with the adjusting mechanism 20, and the lower shearing shaft 17 is axially moved through a lead screw under the control of the adjusting mechanism 20 and is matched with the upper shearing shaft 16. When the shearing machine is used, firstly, the distance between the two shearing machine bodies 14 is adjusted to a preset position through the moving device to meet the width requirement of the steel strip, then the upper cutter shaft and the lower cutter shaft are adjusted to meet the blade overlapping amount and the side clearance required by the steel strip, and finally, the transmission device is started to drive the speed reduction motor to shear the edge of the steel strip, so that the shearing effect of the steel strip is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected with each other or indirectly connected with each other through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A strip breakage control system of a cold rolling unit is characterized by comprising a feeding roller (1), a straightening machine (2), a defect detection device (3), a thickness gauge (4), a shearing machine (5), a tension roller (6), a soaking tank (7), a drying machine (8), a pinch roller (9), a discharge roller (10) and a control system (11); one end of the straightener (2) is connected with the feeding roller (1), the other end of the straightener (2) is connected with the defect detection device (3), one end of the thickness gauge (4) is connected with the defect detection device (3), the other end of the thickness gauge (4) is connected with the shearing machine (5), one end of the soaking tank (7) is connected with the shearing machine (5) through a tension roller (6), the other end of the soaking tank (7) is connected with the dryer (8) through the tension roller (6), and the dryer is connected with the discharging roller (10) through a pinch roller (9); the control system (11) controls the cold rolling unit to be opened or closed;
the shearing machine (5) comprises a base (12), a transmission device (13), a shearing machine body (14) and a moving device (15), wherein the transmission device (13) is connected with the shearing machine body (14), one end of the moving device (15) is connected with the base (12), and the other end of the moving device (15) is connected with the shearing machine body (14) and drives the shearing machine body to move on the base (12);
the shearing machine body comprises an upper shearing shaft (16), a lower shearing shaft (17), a transmission shaft (18), a speed reducing motor (19) and an adjusting mechanism (20); a shearing blade (21) and an eccentric sleeve (22) are arranged on the upper shearing shaft (16), one end of the eccentric sleeve (22) is connected with the speed reducing motor (19), the other end of the eccentric sleeve (22) is connected with the upper shearing shaft (16), the transmission device (13) is connected with the speed reducing motor (19), the shearing blade (21) is arranged on the upper shearing shaft (16), and the lower shearing shaft (17) is connected with the adjusting mechanism (20); the lower shearing shaft (17) is controlled by the adjusting mechanism (20) to move axially through the lead screw and is matched with the upper shearing shaft (16).
2. The strip breakage control system of a cold rolling mill train according to claim 1, characterized in that a dissolving agent is provided in the soaking tank (7).
3. The system for controlling strip breakage of a cold rolling mill train according to claim 1, characterized in that a water level sensor is arranged in the soaking tank (7).
4. A cold rolling mill train strip breakage control system according to claim 1, characterized in that there are two of the shear bodies (14).
5. The system of claim 4, wherein the two shear bodies (14) are arranged symmetrically with respect to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966942.0A CN112024604B (en) | 2020-09-15 | 2020-09-15 | Strip breakage control system of cold rolling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966942.0A CN112024604B (en) | 2020-09-15 | 2020-09-15 | Strip breakage control system of cold rolling unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112024604A CN112024604A (en) | 2020-12-04 |
| CN112024604B true CN112024604B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010966942.0A Active CN112024604B (en) | 2020-09-15 | 2020-09-15 | Strip breakage control system of cold rolling unit |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204523802U (en) * | 2015-03-14 | 2015-08-05 | 邯郸市卓立精细板材有限公司 | A kind of strip cleaning straightening production line |
| CN106914754A (en) * | 2015-12-25 | 2017-07-04 | 宝山钢铁股份有限公司 | Hot-rolled steel winds off flat system |
| CN206168943U (en) * | 2016-09-21 | 2017-05-17 | 中冶南方工程技术有限公司 | Continuous production unit |
| CN206392948U (en) * | 2016-12-28 | 2017-08-11 | 中冶南方工程技术有限公司 | A kind of new scrap chopper |
| CN206500441U (en) * | 2017-02-09 | 2017-09-19 | 广西南南铝加工有限公司 | The device of the offline Strip Shape of On-line Control |
| CN207547742U (en) * | 2017-11-29 | 2018-06-29 | 洛阳新远大冶金成套设备有限公司 | Circle shear device |
| CN109794518A (en) * | 2019-01-29 | 2019-05-24 | 宝钢湛江钢铁有限公司 | A kind of recognition methods that steel strip thickness is not inconsistent and its device |
| CN110576047B (en) * | 2019-09-12 | 2021-03-26 | 湖南华菱涟钢薄板有限公司 | Control method and control system for full-automatic production of pickled plate by cold rolling unit |
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2020
- 2020-09-15 CN CN202010966942.0A patent/CN112024604B/en active Active
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