CN219442910U - Equipment for carrying out on-line angle rolling on hot continuous casting billet - Google Patents
Equipment for carrying out on-line angle rolling on hot continuous casting billet Download PDFInfo
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- CN219442910U CN219442910U CN202320620916.1U CN202320620916U CN219442910U CN 219442910 U CN219442910 U CN 219442910U CN 202320620916 U CN202320620916 U CN 202320620916U CN 219442910 U CN219442910 U CN 219442910U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to equipment for carrying out online angle rolling on a hot continuous casting billet, which is arranged on a continuous casting billet production line and comprises a hydraulic system (1), a hydraulic pipeline (2), an angle rolling device (3), a laser thickness measuring device (4), an infrared continuous temperature measuring device (5), a casting billet edge positioning device (6), a connecting cable (7), an electric control cabinet (8) and an industrial control computer (9); the angle rolling device (3) can be integrally and detachably arranged on a production line, a connecting cross beam (18) and a water-cooling fixed frame (19) form a supporting frame, four working rolls (20) are respectively driven by four pressing oil cylinders (12), and the four working rolls are arranged at four inner angles of the supporting frame in a telescopic way through two telescopic beams (13). The angle rolling device in the equipment can be replaced integrally, is maintained outside a line, has a simple structure, is convenient to maintain, and is convenient to manufacture and implement; the equipment can intelligently judge the online angle rolling operation of the hot continuous casting billet through the combination of the detection device and the computer, and can effectively control and implement the angle rolling operation.
Description
Technical Field
The utility model belongs to the field of continuous metal casting, and particularly relates to equipment for performing on-line angle rolling on a hot continuous casting billet.
Background
In the modern world plate and strip production technology, edge straight cracking or skin warping defects are common, and with the development of the medium plate production technology, the widening ratio of the plate is continuously increased, and the edge straight cracking or skin warping defects of the plate are further away from the edge of the plate. The iron and steel enterprises have to adopt a mode of increasing the trimming amount and reducing the yield to cut off the defects, thereby meeting the quality requirement. The end result of this is an increase in production costs.
For this reason, iron and steel enterprises adopting crystallizer technology with roll angles are widely used. Although the crystallizer technology with the rolling angle can effectively solve the problem of transverse cracks at the corners of casting blanks. However, mass production practices indicate that: the continuous casting blank produced by adopting the angle rolling crystallizer technology can not completely eliminate the defects of edge straight crack or skin tilting and the like of the plate strip. Accordingly, those skilled in the art have developed a technique for rolling the corners of a cast slab, and have disclosed the following patent documents: 1. chinese patent No. CN204747439U discloses a device for rolling corners of continuous casting slabs, which has a corner rolling roller with convex edges at the upper and lower ends on each side of the casting slab, and the corner rolling roller with convex edges is driven by power to roll toward the casting slab, and the convex edges of the roller are used to roll the corners of the casting slab, so as to realize the corner rolling of the corners of the casting slab. However, in practical production applications, the corner rolls with the raised edges roll from the sides to the corners of the cast slab in an extrusion manner, which causes problems of high rolling pressure and reduced roll life due to friction; 2. chinese patent No. CN106077550a discloses a two-roll continuous casting billet rolling angle device with inclined rolls, each side of the device fixes two inclined rolls on a supporting frame, the extrusion mode is similar to the one of the above patent documents, the same problems exist in actual production, and the structure is relatively complex; 3. chinese patent No. CN 104985149a, "an integral three-roll angle device for rolling corners of continuous casting billets," is similar to the second patent document, with an additional intermediate positioning roll; 4. chinese patent No. 210280602U discloses a multifunctional corner rolling device for rolling corners of continuous casting billets, wherein four corner rolling rolls are respectively provided with independent driving devices, and the positions, rolling force and pressing time of the four corner rolling rolls can be respectively adjusted, so that the rolling quantity of each corner of the continuous casting billets is independently controlled, and the lower rolls still have technical defects in the first, second and third patent documents.
Disclosure of Invention
The utility model aims to provide equipment for carrying out online angle rolling on a hot continuous casting billet, wherein an angle rolling device can be replaced integrally, and the equipment is maintained outside an online, simple in structure, convenient to maintain and convenient to manufacture and implement; the equipment can intelligently judge the online angle rolling operation of the hot continuous casting billet through the combination of the detection device and the computer, and can effectively control and implement the angle rolling operation.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the equipment for carrying out online angle rolling on the hot continuous casting billet comprises a hydraulic system 1, a hydraulic pipeline 2, an angle rolling device 3, a laser thickness measuring device 4, an infrared continuous temperature measuring device 5, a casting billet edge positioning device 6, a connecting cable 7, an electric control cabinet 8 and an industrial control computer 9;
the angle rolling device 3 is detachably arranged on a production line and comprises a translation oil cylinder 11, a pressing oil cylinder 12, a working roller 20, a telescopic beam 13, a water-cooling fixed frame 19, a connecting cross beam 18, a plurality of heat shields and a mounting base 21;
the connecting cross beam 18 and the water-cooling fixed frame 19 form a supporting frame, four working rolls 20 are respectively driven by four pressing cylinders 12 and are arranged at four inner corners of the supporting frame in a telescopic way through two telescopic beams 13 for rolling four chamfers of the continuous casting billet 10, and the water-cooling fixed frame 19 is detachably and directly inserted into the mounting base 21;
the two translation cylinders 11 are respectively and horizontally arranged on the outer central extension line of the supporting frame;
the hydraulic system 1, the translation cylinder 11 and the pressing cylinder 12 are connected through a hydraulic pipeline 2;
the laser thickness measuring device 4, the infrared continuous temperature measuring device 5, the casting blank edge positioning device 6, the electric control cabinet 8, the industrial computer 9 and the displacement and pressure sensor are connected through a connecting cable 7.
The installation position of the equipment is as follows: the outlet of the withdrawal and straightening machine is arranged at the outlet of the continuous casting machine; or replace a horizontal segment position of the slab caster.
The telescopic beam 13 is in a C-shaped opening shape, and the two C-shaped openings are oppositely arranged; the upper corner and the lower corner of the telescopic beam 13 are respectively provided with a slide rail corresponding to the inner corners of the supporting frame, each slide rail is internally provided with a telescopic arm, and the four working rolls 20 are respectively arranged at the four inner corners of the supporting frame in a telescopic way through the four telescopic arm arms and the four pressing cylinders 12.
The water-cooling fixed frame 19 is a U-shaped frame with an upper end opening, and after the upper end opening is inserted into the telescopic beam 13, the upper end of the water-cooling fixed frame 19 is fixedly connected with the connecting cross beam 18.
The heat shield comprises a first heat shield 14, a second heat shield 15, a third heat shield 16, a fourth heat shield 17, wherein: the first heat shield 14 and the second heat shield 15 are respectively fixed on the inner sides opposite to the upper and lower extending arms of the telescopic beam 13 on one side, the third heat shield 16 and the fourth heat shield 17 are respectively fixed on the inner sides opposite to the upper and lower extending arms of the telescopic beam 13 on the other side, and the first heat shield 14 and the third heat shield 16, and the second heat shield 15 and the fourth heat shield 17 are arranged in a staggered manner up and down.
The translation cylinder 11 and the pressing cylinder 12 are internally provided with displacement sensors and pressure sensors.
The angle rolling device 3 is electrically connected with the infrared continuous temperature measuring device 5, the electric control cabinet 8 and the industrial computer 9, so that judgment of whether angle rolling operation is performed or not is realized.
The angle rolling device 3 is electrically connected with the laser thickness measuring device 4, the casting blank edge positioning device 6, the electric control cabinet 8, the industrial control computer 9 and the displacement and pressure sensor, so that the angle rolling operation of casting blanks with different thicknesses and different widths and the correction of the angle rolling amount are realized.
The four working rolls 20 are electrically connected with the laser thickness measuring device 4, the casting blank edge positioning device 6 and the industrial computer 9, and the adjustment of the contact surface positions of the working roll surfaces and the hot casting blank is controlled to realize uniform abrasion of the roll surfaces.
Both the translation cylinder 11 and the depressing cylinder 12 are subjected to only axial forces.
When the angle rolling device 3 is integrally disassembled, only the operations of hoisting, connecting a cable plug, connecting hydraulic pressure and connecting a water hose joint are needed.
The beneficial technical effects of the utility model are as follows:
the angle rolling device in the equipment can be replaced integrally and maintained outside the line; the existing problems of the angle rolling device are eliminated through the actions of six hydraulic cylinders with displacement and pressure sensors, meanwhile, temperature, width, thickness and pressure are used for measuring, a database is stored by a computer, the optimal oil cylinder expansion and contraction amount is automatically judged, errors of manual judgment are reduced, and complete intellectualization of equipment is achieved; meanwhile, according to the wear condition of the roller surface, the stress point of the roller surface is automatically adjusted, and the service life of the roller is prolonged.
The device can intelligently judge the rolling angle on line, can meet the continuous production of casting blanks with different thicknesses and widths, can adjust the contact surface position of the working roll surface and the hot casting blank, and provides a way for prolonging the service life of the working roll.
Drawings
FIG. 1 is a schematic diagram of the apparatus for on-line corner rolling of hot continuous casting blanks according to the present utility model;
fig. 2 is a schematic view of the assembly of the corner rolling device 3 of fig. 1;
fig. 3 is a schematic top view of the corner rolling device 3 of fig. 2;
fig. 4 is a schematic side view of the corner rolling device 3 of fig. 2.
Reference numerals:
1 hydraulic system 2 hydraulic pipeline
3 roll angle device 4 laser thickness measuring device
5 infrared continuous temperature measuring device 6 casting blank edge positioning device
7 connecting cable 8 electric control cabinet
9 industrial control computer 10 continuous casting blank
11 translation cylinder 12 depressing cylinder
13 telescoping beam 14 first heat shield
15 second heat shield 16 third heat shield
17 fourth heat shield 18 connecting beam
19 Water-cooled fixed frame 20 working roll
21 mounting base
Detailed Description
As shown in fig. 1 to 4, the equipment for performing online angle rolling on the hot continuous casting billet can be arranged at the outlet position of a withdrawal and straightening machine of a continuous casting machine, and can also replace a certain horizontal section position of the continuous casting machine of the slab, and comprises a hydraulic system 1, a hydraulic pipeline 2, an angle rolling device 3 arranged on a production line, a laser thickness measuring device 4, an infrared continuous temperature measuring device 5, a casting billet edge positioning device 6, a connecting cable 7, an electric control cabinet 8 and an industrial computer 9.
The angle rolling device 3 comprises two translation cylinders 11 with built-in displacement and pressure sensors, four pressing cylinders 12 with built-in displacement and pressure sensors, four working rolls 20, two telescopic beams 13 which are arranged oppositely, a water-cooling fixed frame 19, a connecting cross beam 18, a first heat shield 14, a second heat shield 15, a third heat shield 16, a fourth heat shield 17 and a mounting base 21.
The connecting cross beam 18 and the water-cooling fixed frame 19 form a supporting frame, two identical telescopic beams 13 are arranged inside the supporting frame, and the two telescopic beams 13 are C-shaped openings which are oppositely arranged. Two slide ways are respectively arranged at the upper corner and the lower corner of the telescopic beam 13 and at the inner corner of the corresponding supporting frame, and a telescopic arm is arranged in each slide way. The four work rolls 20 are telescopically arranged at four inner corners of the support frame by four telescopic arm arms and four pressing cylinders 12, respectively.
In operation, the strand 10 is rolled through the support frame. The displacement and pressure sensors are built in the depressing cylinder 12. The water-cooled fixed frame 19 is directly inserted into the mounting base 21, so that the equipment is easy to replace.
Preferably, in order to facilitate the installation of the telescopic beam 13, the water-cooling fixed frame 19 is made into a U-shaped frame with an opening at the upper end, after the telescopic beam 13 is placed from the opening at the upper end, the upper end of the water-cooling fixed frame 19 is connected by the connecting cross beam 18, the telescopic beam 13 is limited from the upper end, and meanwhile, the integral strength of the water-cooling fixed frame is increased.
The first heat shield 14 and the second heat shield 15 are respectively fixed on the inner sides opposite to the upper and lower extending arms of the telescopic beam 13 on one side, the third heat shield 16 and the fourth heat shield 17 are respectively fixed on the inner sides opposite to the upper and lower extending arms of the telescopic beam 13 on the other side, and the first heat shield 14 and the third heat shield 16, and the second heat shield 15 and the fourth heat shield 17 are arranged in a staggered manner up and down.
The two translation cylinders 11 are respectively and horizontally arranged on the central extension line of the outer side of the supporting frame, and displacement and pressure sensors are arranged in the translation cylinders 11.
The hydraulic system 1, the translation cylinder 11 and the depressing cylinder 12 are connected through a hydraulic pipeline 2.
The laser thickness measuring device 4, the infrared continuous temperature measuring device 5, the casting blank edge positioning device 6, the electric control cabinet 8, the industrial computer 9 and the displacement and pressure sensor are connected through a connecting cable 7.
The rigid body formed by the telescopic beam 13, the water-cooling fixed frame 19 and the connecting cross beam 18 can resist the horizontal force of the reverse blank ejection direction during the angle rolling operation.
The angle rolling device 3 can be replaced integrally and maintained outside the line.
The angle rolling device 3 can judge whether the angle rolling operation can be performed or not through the infrared continuous temperature measuring device 5.
The angle rolling device 3 can finish accurate angle rolling operation of slabs with different thicknesses.
The two translation cylinders 11 with built-in displacement and pressure sensors can stretch and retract according to the setting of the industrial control computer 9, and the stretching amount is corrected through the casting blank edge positioning device 6.
The four pressing cylinders 12 with built-in displacement and pressure sensors can stretch according to the given of the industrial control computer 9, and stretch amount correction is carried out through the casting blank edge positioning device 6, the laser thickness measuring device 4 and cylinder pressure change.
The four working rolls 20 can adjust the contact positions of casting blanks and roll surfaces through the laser thickness measuring device 4, the casting blank edge positioning device 6 and the industrial computer 9, so that the uniform abrasion of the roll surfaces is realized.
In summary, the device may implement the following intelligent operation and control functions:
integral replacement and off-line maintenance; the method can automatically judge the rolling angle operation of the casting blank, can meet the rolling angle operation of the casting blank with different thickness, can meet the rolling angle operation of the casting blank with different width, and can correct the rolling angle amount. The device can also realize that the different positions of the roll surfaces of the four working rolls are contacted with the casting blank, and all the oil cylinders only bear axial force; the replacement only needs to be carried out in the operations of hoisting, connecting a cable plug and connecting a hydraulic hose joint and a water hose joint.
Claims (9)
1. An apparatus for on-line rolling of hot continuous casting billets, characterized in that: the device comprises a hydraulic system (1), a hydraulic pipeline (2), a rolling angle device (3), a laser thickness measuring device (4), an infrared continuous temperature measuring device (5), a casting blank edge positioning device (6), a connecting cable (7), an electric control cabinet (8) and an industrial control computer (9);
the angle rolling device (3) is detachably arranged on a production line and comprises a translation oil cylinder (11), a pressing oil cylinder (12), a working roller (20), a telescopic beam (13), a water-cooling fixed frame (19), a connecting cross beam (18), a plurality of heat shields and a mounting base (21);
the connecting cross beam (18) and the water-cooling fixed frame (19) form a supporting frame, four working rolls (20) are respectively driven by four pressing oil cylinders (12), are arranged at four inner corners of the supporting frame in a telescopic way through two telescopic beams (13) and are used for rolling four chamfers of a continuous casting blank (10), and the water-cooling fixed frame (19) is detachably and directly inserted into the mounting base (21);
the two translation cylinders (11) are respectively and horizontally arranged on the central extension line of the outer side of the support frame;
the hydraulic system (1), the translation oil cylinder (11) and the pressing oil cylinder (12) are connected through a hydraulic pipeline (2);
the device comprises a laser thickness measuring device (4), an infrared continuous temperature measuring device (5), a casting blank edge positioning device (6), an electric control cabinet (8), an industrial control computer (9) and a displacement sensor, wherein the electric control cabinet, the industrial control computer and the displacement sensor are connected through a connecting cable (7).
2. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the installation position of the equipment is as follows: the outlet of the withdrawal and straightening machine is arranged at the outlet of the continuous casting machine; or replace a horizontal segment position of the slab caster.
3. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the telescopic beam (13) is in a C-shaped opening shape, and the two C-shaped openings are oppositely arranged; the four working rolls (20) are respectively arranged at four inner angles of the supporting frame in a telescopic way through four telescopic arm arms and four pressing cylinders (12).
4. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the water-cooling fixed frame (19) is a U-shaped frame with an upper end opening, and the upper end opening is fixedly connected with the upper end of the water-cooling fixed frame (19) by a connecting cross beam (18) after the telescopic beam (13) is inserted into the upper end opening.
5. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the heat shield comprises a first heat shield (14), a second heat shield (15), a third heat shield (16) and a fourth heat shield (17), wherein: the first heat shield (14) and the second heat shield (15) are respectively fixed on the inner sides of the upper and lower extending arms of the telescopic beam (13) at one side, the third heat shield (16) and the fourth heat shield (17) are respectively fixed on the inner sides of the upper and lower extending arms of the telescopic beam (13) at the other side, and the first heat shield (14) and the third heat shield (16), and the second heat shield (15) and the fourth heat shield (17) are arranged in a vertically staggered mode.
6. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the translation oil cylinder (11) and the pressing oil cylinder (12) are internally provided with displacement sensors and pressure sensors.
7. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the angle rolling device (3) is electrically connected with the infrared continuous temperature measuring device (5), the electric control cabinet (8) and the industrial control computer (9), so that judgment on whether angle rolling operation is performed or not is realized.
8. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the angle rolling device (3) is electrically connected with the laser thickness measuring device (4), the casting blank edge positioning device (6), the electric control cabinet (8), the industrial control computer (9) and the displacement and pressure sensor, so that angle rolling operation of casting blanks with different thicknesses and different widths and correction of angle rolling quantity are realized.
9. The apparatus for on-line chamfering hot continuous casting according to claim 1, wherein: the four working rolls (20) are electrically connected with the laser thickness measuring device (4), the casting blank edge positioning device (6) and the industrial control computer (9), and the adjustment of the positions of the contact surfaces of the working roll surfaces and the hot casting blank is controlled, so that the uniform abrasion of the roll surfaces is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320620916.1U CN219442910U (en) | 2023-03-24 | 2023-03-24 | Equipment for carrying out on-line angle rolling on hot continuous casting billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320620916.1U CN219442910U (en) | 2023-03-24 | 2023-03-24 | Equipment for carrying out on-line angle rolling on hot continuous casting billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219442910U true CN219442910U (en) | 2023-08-01 |
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ID=87417950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320620916.1U Active CN219442910U (en) | 2023-03-24 | 2023-03-24 | Equipment for carrying out on-line angle rolling on hot continuous casting billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219442910U (en) |
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2023
- 2023-03-24 CN CN202320620916.1U patent/CN219442910U/en active Active
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