CN214976809U - Multi-point continuous straightening machine for steel billets - Google Patents
Multi-point continuous straightening machine for steel billets Download PDFInfo
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- CN214976809U CN214976809U CN202022834043.3U CN202022834043U CN214976809U CN 214976809 U CN214976809 U CN 214976809U CN 202022834043 U CN202022834043 U CN 202022834043U CN 214976809 U CN214976809 U CN 214976809U
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Abstract
The utility model discloses a continuous straightener of steel billet multiple spot. The multi-point continuous straightening machine for the billet comprises N groups of transmission roller system units, N-1 groups or N +1 movable roller system units, M groups of conveying roller way units and a comprehensive rack. The comprehensive rack comprises a longitudinal rack and a transverse rack, and a cooling water tank is arranged at a position close to the hot blank; the conveying roller way unit is arranged on the comprehensive rack, and the transmission roller system unit and the moving roller system unit are alternately arranged on two sides of the conveying roller way unit. The straightening roller is vertically arranged, the traditional system is arranged below the straightening roller, and an open structure is arranged above the straightening roller, so that the machine type greatly simplifies the structure of the straightening machine, reduces the equipment cost, and is convenient for operation, maintenance and emergency treatment of accidents.
Description
Technical Field
The utility model relates to a hot base aligning field in the stokehold of metallurgical industry continuous casting heat is sent, in particular to online straightening equipment of steel billet in the hot base aligning field in the stokehold.
Background
The multi-point continuous straightening machine for the billet is mainly used for arranging the tail end of a conveying roller path line of a continuous casting billet hot delivery process, continuously processing the hot delivery billet with over-standard curvature generated in the continuous casting process and the hot delivery process on line, implementing the on-line straightening process, enabling the hot delivery billet to meet the standard requirement of the straightness of a heating furnace or a rolling mill, reducing the loss caused by rejecting the hot delivery billet, and ensuring the normal rolling rhythm of a rolling line.
In the existing new project, the arrangement mode of direct hot blank feeding and close connection is adopted in most of casting and rolling processes, and old factory transformation also tends to make casting and rolling lines through to form a hot blank conveying rapid channel. The hot billet conveying rapid channel generally adopts a roller way conveying mode. Because the straight-line connection between the casting line and the rolling mill is usually difficult to achieve under the condition of factory arrangement, a plurality of bent section conveying links exist. The existing bending deformation state of the hot-conveying continuous casting billet is very easy to aggravate under the conveying condition of a bending section, so that the problems of increasing waste rejecting amount and influencing the rolling rhythm are caused. The method has the advantages that the extremely high economic benefit of hot blank delivery is obtained, the adverse effect of the overproof curvature of the hot blank delivery is reduced, and the hot blank delivery is subjected to an online straightening process technology and equipment, so that the method is naturally the best option of a technical and economic solution.
The straightening machine is generally divided into a horizontal type straightening machine and a vertical type straightening machine, and the main deformation of the continuous casting billet in the hot conveying and hot conveying process is in the horizontal direction, so that the straightening machine can be generally adopted. The traditional vertical straightening machine transmission mechanism is arranged above the straightening roller, and in order to avoid the influence of heat radiation of a hot blank, a transmission system is far away from the straightening roller, so that the straightening machine is complex in structure, high in cost, high in operation and maintenance difficulty and long in time, and is not suitable for hot blank straightening in a casting and rolling connection area.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a low-cost and convenient steel billet multiple spot straightener who maintains simple structure in succession.
In order to achieve the aim, the multi-point continuous straightener for the steel billets comprises N groups of transmission roller system units, N-1 groups or N +1 groups of moving roller system units, M conveying roller way units and a comprehensive frame; the conveying roller way unit is arranged on the comprehensive rack, and the transmission roller system unit and the moving roller system unit are alternately arranged on two sides of the conveying roller way unit; the straightening rollers in the transmission roller system unit are vertically arranged, the transmission system in the transmission roller system unit is arranged below the straightening rollers, and an open structure is arranged above the conveying roller way unit; preferred M ═ 2N.
The comprehensive rack comprises a longitudinal rack and a transverse rack, and a cooling water tank is arranged at a position close to the hot blank;
the transmission roller system unit comprises a transmission roller unit and a transmission system.
The driving roller unit comprises a roller shaft, a straightening roller, a dish-shaped scrap iron baffle, a welded water-cooling bearing seat, an air blowing type sealing unit, a lower bearing seat and a locking nut.
The welding type water-cooling bearing seat is characterized in that an annular water-cooling groove is formed in the bearing installation position of the welding type water-cooling bearing seat, the roller shaft is installed on the welding type water-cooling bearing seat, and the lower bearing seat is installed below the welding type water-cooling bearing seat to prevent the roller shaft from axially moving.
The air blowing type sealing unit is installed above the welding type water-cooling bearing seat and comprises an air blowing type sealing end cover, a ventilation ring, a pressing plate and 2 skeleton oil seals, wherein the air blowing type sealing end cover is provided with a blowing hole, the outer ring of the ventilation ring is provided with a ventilation groove along the circumferential direction, and the skeleton oil seals are installed on two sides of the ventilation ring and are pressed by the pressing plate.
Dish-shaped iron fillings baffle, straightener roll, lock nut are installed on the roller from supreme down in proper order, and dish-shaped iron fillings baffle oral area is installed down.
The transmission system is arranged below the transmission roller unit and comprises a motor, a speed reducer and a coupler, and the power of the motor can be transmitted to the transmission roller unit through chain transmission.
The movable roller system unit comprises a fixed rear seat, a movable transmission unit, a guide unit, a movable frame and a movable roller unit.
The fixed rear seat and the guide unit are arranged on a transverse rack of the comprehensive rack; the movable frame is arranged in the guide unit, the tail end of the movable frame is arranged on the fixed rear seat through the movable transmission unit, and the movable frame can move along the guide unit under the driving of the movable transmission unit;
the movable transmission unit is used for adjusting the front position and the rear position of the movable roller, comprises a motor, a coupler, a speed reducer and a screw rod, and can also be adjusted by adopting a hydraulic driving mode.
The movable roller unit is installed at the front end of the movable frame through key and bolt combination and comprises an upper bearing seat, a roller shaft, a straightening roller, a dish-shaped scrap iron baffle, an air blowing type sealing unit, a lower bearing seat and the like.
And annular water cooling grooves are formed in the outer sides of the mounting positions of the upper bearing seat and the lower bearing seat.
The straightening roll, the disc-shaped scrap iron baffle and the air blowing type sealing unit have the same structural action as the straightening roll, the disc-shaped scrap iron baffle and the air blowing type sealing unit in the transmission roll system unit.
Because there is the bending section to carry the link in continuous casting process under the hot billet direct-feeding technology and the hot process of sending, the hot continuous casting billet very easily appears the crookedness phenomenon that exceeds standard in the bending section transportation process to lead to the increase of rejects volume, influence rolling rhythm, increase the steel rolling cost, the utility model provides a steel billet multiple spot continuous straightener that low-cost and can conveniently maintain, when obtaining the high economic benefits of hot delivery base, reduce the hot adverse effect that the hot delivery base crookedness that exceeds standard.
The utility model discloses a continuous straightener of steel billet multiple spot, the straightener roll is arranged perpendicularly, and transmission system arranges in the straightener roll below, and the top is uncovered structure, and the straightener structure is greatly simplified to this model, reduces equipment cost, is convenient for operation maintenance and accident emergency treatment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural diagram of a transmission roller system unit according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
fig. 5 is a schematic structural diagram of a moving roller system unit according to an embodiment of the present invention;
fig. 6 is a top view of fig. 5.
FIG. 7 is a schematic view of the position of the locking bolt of FIG. 5.
Fig. 8 is a partially enlarged schematic view of fig. 5.
Fig. 9 is a schematic diagram of the "empty" state.
FIG. 10 is a schematic view showing straightening.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The preferred embodiment:
as shown in the attached drawings 1 to 8, the multi-point continuous straightener for billets of the utility model comprises 3 groups of transmission roller system units 3, 2 groups of movable roller system units 2, 6 roller conveyor units 4 and a comprehensive frame 1.
The comprehensive rack 1 comprises a longitudinal rack 11 and a transverse rack 12, and a cooling water tank A13 and a cooling water tank B14 are arranged at the positions close to hot billets; the conveying roller way unit 4 is arranged on the comprehensive rack, and the transmission roller system unit 3 and the moving roller system unit 2 are alternately arranged on two sides of the conveying roller way unit 4.
The transmission roller system unit 3 comprises a transmission roller unit 30 and a transmission system 38.
The driving roller unit 30 comprises a roller shaft 36, a straightening roller 32, a disc-shaped iron scrap baffle 33, a welding type water-cooling bearing seat 35, an air blowing type sealing unit 34, a lower bearing seat 37 and a locking nut 31.
The welded water-cooling bearing seat 35 is provided with an annular water-cooling groove 351 at the bearing installation position, the roller shaft 36 is installed on the welded water-cooling bearing seat 35, and the lower bearing seat 37 is installed below the welded water-cooling bearing seat 35 to prevent axial movement of the roller shaft.
The air blowing type sealing unit 34 is installed above the welding type water-cooling bearing seat 35 and comprises an air blowing type sealing end cover 341, a ventilation ring 342, a pressing plate 344 and 2 framework oil seals 343, wherein the air blowing type sealing end cover 341 is provided with a blowing hole, the outer ring of the ventilation ring 342 is provided with a ventilation groove along the circumferential direction, and the framework oil seals 343 are installed on two sides of the ventilation ring 342 and are pressed by the pressing plate 344.
The disc-shaped iron chip baffle 33, the straightening roller 32 and the locking nut 31 are sequentially arranged on the roller shaft 36 from bottom to top, and the opening part of the disc-shaped iron chip baffle 33 is arranged downwards.
The transmission system 38 is disposed below the transmission roller unit 30, and includes a motor reducer 381 and a shaft coupling 382.
The movable roller system unit 2 comprises a fixed rear seat 21, a movable transmission unit 22, a guide unit 24, a movable frame 23, a movable roller unit 25, a key 26 and a locking bolt 27.
The fixed rear seat 21 and the guide unit 24 are arranged on the transverse frame 12 of the comprehensive frame 1; the moving frame 23 is installed in the guide unit 24, and the tail end thereof is installed on the fixed rear seat 21 through the moving transmission unit 22 and can move along the guide unit 24 under the driving of the moving transmission unit 22; the locking bolt is used for locking the movable roller system unit and is arranged on the guide unit 24.
The moving transmission unit 22 is used for adjusting the front and rear positions of the moving roller unit 25, and includes a motor 221, a coupling 222, and a screw elevator 223.
The moving roller unit 25 is installed at the front end of the moving frame 23 by combining and connecting a key 26 and a bolt, and comprises an upper bearing seat 251, a roller shaft 252, a straightening roller 253, a disc-shaped iron scrap baffle 254, an air blowing type sealing unit 255, a lower bearing seat 256 and the like.
And annular water cooling grooves are formed in the outer sides of the bearing mounting positions of the upper bearing seat 251 and the lower bearing seat 256.
The straightening roll 253, the disc-shaped iron scrap baffle 254 and the air blowing type sealing unit 255 have the same structural functions as the straightening roll 32, the disc-shaped iron scrap baffle 22 and the air blowing type sealing unit 34 in the transmission roll system unit 3.
The multi-point continuous straightening machine for the billet has two states, namely a blank passing state and a straightening state, due to the characteristics of the hot billet, and is shown in fig. 9 and 10.
(1) A null state. The hot billet 5 is subjected to bending deformation within the design allowable range before entering the heating furnace, and the hot billet 5 is directly passed through the leveler roller conveyor 4 without being straightened, as shown in fig. 9.
(2) And (4) straightening. And if the deformation of the hot blank 6 before entering the heating furnace exceeds the design allowable requirement due to roller ways or other reasons, the hot blank 6 is conveyed into the straightener through the conveying roller ways 4, and is continuously straightened by the plurality of groups of transmission roller system units 3 and the moving roller system units 2 under the driving of the transmission roller system units 3. As shown in fig. 10.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (1)
1. A multi-point continuous straightener for steel billets is characterized in that: comprises N groups of transmission roller system units, N-1 groups or N +1 groups of moving roller system units, M conveying roller way units and a comprehensive frame; wherein M ═ 2N; the comprehensive rack comprises a longitudinal rack and a transverse rack, and a cooling water tank is arranged at a position close to the hot blank; the conveying roller way unit is arranged on the comprehensive rack, and the transmission roller system unit and the moving roller system unit are alternately arranged on two sides of the conveying roller way unit; the straightening rollers in the transmission roller system unit are vertically arranged, the transmission system in the transmission roller system unit is arranged below the straightening rollers, and an open structure is arranged above the conveying roller way unit;
the transmission roller system unit comprises a transmission roller unit and a transmission system; the driving roller unit comprises a roller shaft, a straightening roller, a dish-shaped scrap iron baffle, a welded water-cooling bearing seat, an air blowing type sealing unit, a lower bearing seat and a locking nut; the welded water-cooling bearing seat is provided with an annular water-cooling groove at the bearing installation position; the dish-shaped scrap iron baffle is arranged below the straightening roller, and the opening part of the dish-shaped scrap iron baffle is arranged downwards; the air blowing type sealing unit comprises an air blowing type sealing end cover, a ventilation ring, a pressing plate and 2 skeleton oil seals, wherein an air blowing hole is formed in the air blowing type sealing end cover, an outer ring of the ventilation ring is provided with a ventilation groove along the circumferential direction, the ventilation groove is communicated with the air blowing hole during installation, and the skeleton oil seals are installed on two sides of the ventilation ring and are pressed by the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834043.3U CN214976809U (en) | 2020-11-30 | 2020-11-30 | Multi-point continuous straightening machine for steel billets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834043.3U CN214976809U (en) | 2020-11-30 | 2020-11-30 | Multi-point continuous straightening machine for steel billets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214976809U true CN214976809U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022834043.3U Active CN214976809U (en) | 2020-11-30 | 2020-11-30 | Multi-point continuous straightening machine for steel billets |
Country Status (1)
| Country | Link |
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| CN (1) | CN214976809U (en) |
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2020
- 2020-11-30 CN CN202022834043.3U patent/CN214976809U/en active Active
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