CN204975250U - To chamfer continuous casting billet bight carrying out smooth equipment - Google Patents
To chamfer continuous casting billet bight carrying out smooth equipment Download PDFInfo
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- CN204975250U CN204975250U CN201520728484.1U CN201520728484U CN204975250U CN 204975250 U CN204975250 U CN 204975250U CN 201520728484 U CN201520728484 U CN 201520728484U CN 204975250 U CN204975250 U CN 204975250U
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Abstract
The utility model provides a to chamfer continuous casting billet bight carrying out smooth equipment, belongs to continuous casting billet equipment technical field for chamfer continuous casting billet bight to large -scale slab caster chamfer crystallizer forms is leveled. Its technical scheme is: the utility model discloses install frame construction on the mill table, drive roll and driven roll are installed on the frame, and the chamfer continuous casting billet passes through between drive roll and driven roll, and the drive roll pushes down the device and pushes down the drive roll, and the toper roll surface at the both ends of drive roll is exerted pressure to the bight of chamfer continuous casting billet, and be level and smooth with the bight bulge of chamfer continuous casting billet. The utility model discloses can be in the conticaster production process flatten the protruding deformable portion in chamfer continuous casting billet bight to the function is gently pushed down to the chamfer crystallizer and the developments that make the conticaster can normal use, and messenger's chamfer continuous casting billet shape keeps normally, has avoided the chamfer continuous casting billet defect to appear when the rolled sheet, has improved the clearance volume of steel sheet lumber recovery and continuous casting billet, has apparent economic benefits.
Description
Technical field
The utility model relates to a kind of chamfering continuous casting billet bight to the formation of heavy slab conticaster chamfer crystallizer and carries out smooth equipment, belongs to continuous casting billet equipment technical field.
Background technology
In continuous casting is produced, crystallizer is the capital equipment that continuous casting is produced, and its major function makes molten steel form certain thickness shell, thus can cool formation continuous casting billet further.The continuous casting billet that chamfer crystallizer relatively common right angle crystallizer is formed is the rectangle (octagon) with chamfering.The continuous casting billet adopting chamfer crystallizer to produce can not only solve the problems such as the yield of steel plate that continuous casting billet transverse corner crack line brings is low, the increase of continuous casting steel billet disposal costs well, and also has very strong inhibitory action to the generation of the edge vertical crack of wide and thick slab.Although chamfering continuous casting billet has above significant advantage, but also there are some problems, wherein most importantly: because modern conticaster is all with dynamic soft-reduction function, namely continuous casting segment adopts the continuous casting billet that certain pressure pressure is not exclusively solidified, thickness of strand is reduced relatively fast, thus improve the function of continuous casting billet internal soundness, the chamfered part of continuous casting billet can be caused when implementing this function to occur distortion protruding laterally, the special bulging deformation of this chamfering continuous casting billet can make steel plate border concealed wire when rolled plate, the defect such as folding, thus have a strong impact on the cleaning amount of yield of steel plate and continuous casting billet.Therefore be necessary to carry out smooth process to the bulging deformation of the chamfered part of chamfering continuous casting billet, to avoid occurring defect when rolled plate.
Utility model content
Technical problem to be solved in the utility model is to provide a kind ofly carries out smooth equipment to chamfering continuous casting billet bight, the bulging deformation part in chamfering continuous casting billet bight can flatten by this equipment in conticaster production process, thus the chamfer crystallizer of conticaster and dynamic soft-reduction function are normally used, and make chamfering continuous casting billet form trait normal.
The technical scheme solved the problems of the technologies described above is:
A kind of smooth equipment is carried out to chamfering continuous casting billet bight, it comprises base, framework, drive roll, driven roll, drive roll drive unit, drive roll hold-down devices, two bases are separately fixed on the both sides pedestal of mill table, framework is made up of the column of both sides and crossbeam, the column lower end of both sides is connected with the base of both sides respectively, crossbeam is connected horizontally between the column of both sides, the two ends of drive roll and driven roll are arranged on two heel posts respectively, drive roll is positioned at above driven roll, drive roll parallels with driven roll, one end of drive roll is connected with drive roll drive unit, the top of drive roll is installed and drive roll hold-down devices, drive roll hold-down devices is fixed on framework, the mid portion of drive roll is cylinder, the two end portions of drive roll is the round platform having tapering, the smaller diameter end of round platform and the cylinder diameter of drive roll mid portion match, the larger diameter end of round platform is connected with the roll shaft part of drive roll.
Above-mentionedly carry out smooth equipment to chamfering continuous casting billet bight, the round platform at described drive roll two ends is relative with the bight of chamfering continuous casting billet, and the length of the round platform at the two ends of drive roll is 350-490mm, and the tapering of round platform is 1:2.5-1:3.5.
Above-mentionedly carry out smooth equipment to chamfering continuous casting billet bight, described drive roll hold-down devices is two hydraulic cylinders, and the piston push rod lower end of hydraulic cylinder is relative with the upper roll surface of drive roll.
The beneficial effects of the utility model are:
The utility model is installation frame structure on mill table, drive roll and driven roll are arranged on framework, chamfering continuous casting billet passes through between drive roll and driven roll, drive roll presses down by drive roll hold-down devices, the tapered roller at the two ends of drive roll applies pressure in the face of the bight of chamfering continuous casting billet, by smooth for the corner projection part of chamfering continuous casting billet, the drive roll drive unit that drive roll installs additional enables the velocity of rotation of drive roll mate with the pulling rate of strand, avoids producing slip and causes continuous casting billet to scratch.The bulging deformation part in chamfering continuous casting billet bight can flatten by the utility model in conticaster production process, thus the chamfer crystallizer of conticaster and dynamic soft-reduction function are normally used, and make chamfering continuous casting billet form trait normal, avoid chamfering continuous casting billet and occur defect when rolled plate, improve the cleaning amount of yield of steel plate and continuous casting billet, there is significant economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of drive roll.
In figure, mark is as follows: base 1, framework 2, drive roll 3, driven roll 4, drive roll drive unit 5, drive roll hold-down devices 6, column 7, crossbeam 8.
Detailed description of the invention
The utility model is made up of base 1, framework 2, drive roll 3, driven roll 4, drive roll drive unit 5, drive roll hold-down devices 6.
Show in figure, two bases 1 are separately fixed on the both sides pedestal of mill table, and base 1 is fixed on main base and ensures to stablize.Framework 2 is made up of the column 7 of both sides and crossbeam 8, and column 7 lower end of both sides is connected with the base 1 of both sides respectively, and crossbeam 8 is connected horizontally between the column 7 of both sides, is exerted all one's strength can act on strand by tower structure.
Show in figure, the two ends of drive roll and 3 driven rolls 4 are arranged on two heel posts 7 respectively, and drive roll 3 is positioned at above driven roll 4, and drive roll 3 parallels with driven roll 4, and chamfering continuous casting billet passes through between drive roll 3 and driven roll 4.
Show in figure, the mid portion of drive roll 3 is cylinder, the two end portions of drive roll 3 is the round platform having tapering, the smaller diameter end of round platform and the cylinder diameter of drive roll 3 mid portion match, the larger diameter end of round platform is connected with the roll shaft part of drive roll 3, the round platform at drive roll 3 two ends is relative with the bight of chamfering continuous casting billet, the bossing in chamfering continuous casting billet bight can be flattened.
The length of the round platform at the two ends of drive roll 3 is 350-490mm, and the tapering of round platform is 1:2.5-1:3.5.The special shape of drive roll 3 two ends round platform ensures that power only acts on the corner positions of chamfering continuous casting billet, avoids causing the abnormal stressed of continuous casting billet.
Show in figure, the top of drive roll 3 is installed and drive roll hold-down devices 6, and drive roll hold-down devices 6 is fixing on the frame 2.Drive roll hold-down devices 6 is two hydraulic cylinders, and the piston push rod lower end of hydraulic cylinder is relative with the upper roll surface of drive roll 3.
Show in figure, 3 one end of drive roll are connected with drive roll drive unit 5.Drive roll 3 installs additional drive roll drive unit 5 enables the velocity of rotation of drive roll 3 mate with the pulling rate of strand, avoids producing slip and causes continuous casting billet to scratch.
An embodiment of the present utility model is as follows:
The length of the round platform at the two ends of drive roll 3 of the present utility model is 425mm, and round platform outside diameter is 320mm, and round platform end diameter is 180mm, and the tapering of round platform is 1:3, and the length of drive roll 3 mediate cylindrical part is 1600mm.
Drive roll hold-down devices 6 of the present utility model uses the hydraulic cylinder that two piston diameters are 140-180mm, pressure setting is 15-20Mpa, the depressing force that can provide is (600-800) KN, the pressure formed in chamfering continuous casting billet bight is like this about 700-1000Mpa, be far longer than continuous casting billet intensity in hot state, the predetermined function of this equipment can be realized.
Claims (3)
1. one kind is carried out smooth equipment to chamfering continuous casting billet bight, it is characterized in that: it comprises base (1), framework (2), drive roll (3), driven roll (4), drive roll drive unit (5), drive roll hold-down devices (6), two bases (1) are separately fixed on the both sides pedestal of mill table, framework (2) is made up of the column (7) of both sides and crossbeam (8), column (7) lower end of both sides is connected with the base (1) of both sides respectively, crossbeam (8) is connected horizontally between the column (7) of both sides, the two ends of drive roll (3) and driven roll (4) are arranged on two heel posts (7) respectively, drive roll (3) is positioned at driven roll (4) top, drive roll (3) parallels with driven roll (4), one end of drive roll (3) is connected with drive roll drive unit (5), the top of drive roll (3) is installed and drive roll hold-down devices (6), drive roll hold-down devices (6) is fixed on framework (2), the mid portion of drive roll (3) is cylinder, the two end portions of drive roll (3) is the round platform having tapering, the cylinder diameter of the smaller diameter end of round platform and drive roll (3) mid portion matches, the larger diameter end of round platform is connected with the roll shaft part of drive roll (3).
2. according to claim 1 smooth equipment is carried out to chamfering continuous casting billet bight, it is characterized in that: the round platform at described drive roll (3) two ends is relative with the bight of chamfering continuous casting billet, the length of the round platform at the two ends of drive roll (3) is 350-490mm, and the tapering of round platform is 1:2.5-1:3.5.
3. according to claim 2ly carry out smooth equipment to chamfering continuous casting billet bight, it is characterized in that: described drive roll hold-down devices (6) is two hydraulic cylinders, the piston push rod lower end of hydraulic cylinder is relative with the upper roll surface of drive roll (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728484.1U CN204975250U (en) | 2015-09-21 | 2015-09-21 | To chamfer continuous casting billet bight carrying out smooth equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728484.1U CN204975250U (en) | 2015-09-21 | 2015-09-21 | To chamfer continuous casting billet bight carrying out smooth equipment |
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| Publication Number | Publication Date |
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| CN204975250U true CN204975250U (en) | 2016-01-20 |
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| CN201520728484.1U Active CN204975250U (en) | 2015-09-21 | 2015-09-21 | To chamfer continuous casting billet bight carrying out smooth equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363235A (en) * | 2016-05-12 | 2017-11-21 | 鞍钢股份有限公司 | Cross dimensions modification method after a kind of slab continuous casting billet cleaning |
| CN107795531A (en) * | 2017-11-13 | 2018-03-13 | 邯郸钢铁集团有限责任公司 | A kind of system and its application method for keeping the secondary pressure angle stability hydraulic of chamfering slab |
| CN110076207A (en) * | 2019-03-28 | 2019-08-02 | 南京钢铁股份有限公司 | A kind of production method for reducing wide plate edge and folding incidence |
-
2015
- 2015-09-21 CN CN201520728484.1U patent/CN204975250U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363235A (en) * | 2016-05-12 | 2017-11-21 | 鞍钢股份有限公司 | Cross dimensions modification method after a kind of slab continuous casting billet cleaning |
| CN107795531A (en) * | 2017-11-13 | 2018-03-13 | 邯郸钢铁集团有限责任公司 | A kind of system and its application method for keeping the secondary pressure angle stability hydraulic of chamfering slab |
| CN110076207A (en) * | 2019-03-28 | 2019-08-02 | 南京钢铁股份有限公司 | A kind of production method for reducing wide plate edge and folding incidence |
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