CN114603093A - Special-shaped blank continuous casting machine sector section - Google Patents
Special-shaped blank continuous casting machine sector section Download PDFInfo
- Publication number
- CN114603093A CN114603093A CN202011425708.3A CN202011425708A CN114603093A CN 114603093 A CN114603093 A CN 114603093A CN 202011425708 A CN202011425708 A CN 202011425708A CN 114603093 A CN114603093 A CN 114603093A
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- Prior art keywords
- rectangular outer
- outer frame
- roller assembly
- mounting groove
- mounting
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000005266 casting Methods 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a fan-shaped section of a beam blank continuous casting machine, which comprises an outer arc frame (10) and a plurality of roller units (20), wherein the roller units (20) are arranged at intervals along a blank discharging direction, and each roller unit (20) is detachably connected with the outer arc frame (10). Every roller unit all can be dismantled with outer arc frame and be connected in this beam blank conticaster fan-shaped section, if this beam blank conticaster fan-shaped section causes local structure destroyed because of some reasons (like the bleed-out), only need change destroyed roller unit can, maintenance convenient operation.
Description
Technical Field
The invention relates to the technical field of continuous casting equipment, in particular to a fan-shaped section of a beam blank continuous casting machine.
Background
On a continuous casting machine in the metallurgical industry, a plurality of fan-shaped sections are usually arranged in the secondary cooling chamber and used for supporting a casting blank coming out of a crystallizer, and a withdrawal and straightening machine is arranged below the fan-shaped sections.
The casting blank shell of the primary crystallizer copper pipe is very thin and has very high temperature, and bulging deformation is easy to occur; especially for the special-shaped blank or the rectangular blank with a larger section, the solidification process of the casting blank core is long, a plurality of rows of rollers are required for supporting, and each row of rollers supports the casting blank on each surface of the casting blank. When the shaped billet is discharged out of the crystallizer primarily, 8 rollers are arranged in each row to support 8 surfaces of the casting billet. Moreover, the requirement on the gap between the upper and lower rows of rollers is very small, so that the bulging of the casting blank can be better prevented; in addition, spray nozzles of a spray system are arranged between the rollers. This creates a common problem with multiple closely spaced roller segments, i.e., the rollers in the middle are not accessible; because the openings at the two ends of the fan-shaped section are far away, the openings can not be accessed from the two ends; the gap between the rollers is small and in addition there may be arranged nozzles or various system lines from which a tool or a worker's arm cannot access the inner rollers. This problem makes it very difficult to adjust the centering of the roller in the middle of the segment, to maintain the roller, and to disassemble, assemble, and replace the roller.
Disclosure of Invention
In order to facilitate maintenance, the invention provides a fan-shaped section of a beam blank continuous casting machine, each roller unit in the fan-shaped section of the beam blank continuous casting machine is detachably connected with an outer arc frame, if the local structure of the fan-shaped section of the beam blank continuous casting machine is damaged due to some reasons (such as steel leakage), only the damaged roller unit needs to be replaced, and the maintenance operation is convenient.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a fan-shaped section of beam blank conticaster, includes outer arc frame and a plurality of roller unit, and a plurality of roller units are arranged along the knockout direction interval, and every roller unit all can dismantle with outer arc frame and be connected.
The outer arc frame is provided with a plurality of mounting grooves for mounting the roller units, each roller unit comprises a rectangular outer frame, and the lower ends of the rectangular outer frames are in one-to-one corresponding matching and inserting connection with the mounting grooves.
The outer arc frame contains preceding side riser, bottom plate and the rear side riser of preceding backward fixed connection in proper order, and the mounting groove is located the upper end rear side of preceding side riser and the upper end front side of rear side riser, and the mounting groove can restrict 5 degrees of freedom of roller unit.
The mounting groove of front side riser upper end rear side is preceding mounting groove, and preceding mounting groove contains preceding reference surface of front side installation and front side installation lower reference surface of perpendicular connection around.
The front part of the lower end of the rectangular outer frame is in matched insertion connection with the front mounting groove, the front side face of the lower end of the rectangular outer frame is correspondingly attached to the front side mounting front datum plane, and the front part of the lower side face of the rectangular outer frame is correspondingly attached to the front side mounting lower datum plane.
The mounting groove of rear riser upper end front side is back mounting groove, and the back mounting groove that corresponds around and preceding mounting groove each other are the mirror image.
The lower end of the rectangular outer frame is abutted to the bottom plate, and the rectangular outer frame is fixedly connected with the bottom plate through a first bolt.
The roller unit comprises a rectangular outer frame, an outer arc side roller assembly, an inner arc side roller assembly and a side roller assembly, wherein the outer arc side roller assembly, the inner arc side roller assembly and the side roller assembly are all located in the rectangular outer frame.
And the outer arc side roller assembly, the inner arc side roller assembly, the side surface roller assembly and the rectangular outer frame are fixedly connected through second bolts, and adjusting gaskets are arranged between the outer arc side roller assembly, the inner arc side roller assembly, the side surface roller assembly and the rectangular outer frame.
The roller unit comprises a rectangular outer frame, wherein the rectangular outer frame is provided with a cooling water pore passage, and the cooling water pore passage is of a rectangular structure.
The invention has the beneficial effects that: all rollers of the fan-shaped section are decomposed to a plurality of roller units, each roller unit can be independently disassembled and assembled, the accurate distance between the roller surface and the reference surface of each roller unit can be conveniently adjusted, and the roller units are accurately positioned by mounting grooves when being mounted on the outer arc frame, so that the accurate positioning of the rollers is ensured, and repeated arc alignment adjustment is not needed. The problem that the roller at the middle part of the sector section cannot be approached is solved, the maintenance, the disassembly and the assembly and the replacement can be convenient, and the centering adjustment is also very convenient.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a segment of a beam caster according to the present invention.
Fig. 2 is a schematic sectional view along a-a in fig. 1.
Fig. 3 is a schematic view along the direction B in fig. 1.
Fig. 4 is a schematic view of the roller unit in the direction C in fig. 2.
Fig. 5 is a schematic view of the outer arc frame of fig. 3.
Fig. 6 is a schematic view along the direction D-D in fig. 5.
10. An outer arc frame; 20. a roller unit; 30. a special-shaped casting blank;
11. a front side vertical plate; 12. a base plate; 13. a rear side vertical plate; 14. mounting grooves; 15. a first bolt; 16. reinforcing rib plates;
21. a rectangular outer frame; 22. assembling rollers on the outer arc side; 23. assembling inner arc side rollers; 24. assembling a side roller; 25. a second bolt; 26. adjusting the gasket; 27. a cooling water duct; 28. an outer left reference plane; 29. an outer lower reference surface;
111. a front mounting groove; 112. the front side is provided with a front reference surface; 113. the front side is provided with a lower reference surface;
131. a rear mounting groove; 132. the rear side is provided with a rear reference surface; 133. the rear side is provided with a lower reference surface.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A fan-shaped section of a beam blank continuous casting machine comprises an outer arc frame 10 and a plurality of roller units 20, wherein the roller units 20 are uniformly arranged at intervals along a blank discharging direction E, and each roller unit 20 is detachably connected with the outer arc frame 10, as shown in figure 1.
Because each roller unit 20 in the fan-shaped section of the beam blank continuous casting machine is detachably connected with the outer arc frame 10, arc adjustment is very convenient, and the accurate distance between the roller surface and the reference surface (namely the outer left reference surface 28 and the outer lower reference surface 29) can be very conveniently adjusted by the single roller unit 20.
In the present embodiment, a plurality of mounting grooves 14 for mounting the roller unit 20 are provided on the outer arc frame 10, the roller unit 20 includes a rectangular outer frame 21, and the lower end of the rectangular outer frame 21 is fitted into the mounting grooves 14 in a one-to-one correspondence, as shown in fig. 1 to 4. The plurality of roller units 20 are arranged along an arc, and the roller units 20 are accurately positioned by the mounting grooves 14 when being mounted on the outer arc frame 10, thereby ensuring accurate positioning of the rollers without repeating arc alignment adjustment.
In this embodiment, the outer arc frame 10 includes a front vertical plate 11, a bottom plate 12, and a rear vertical plate 13 fixedly connected from front to back in sequence, the bottom plate 12 is further connected with a reinforcing rib plate 16, the front vertical plate 11 and the rear vertical plate 13 have the same structure and are mirror images of each other, the front vertical plate 11 and the rear vertical plate 13 are both of an upright arc structure, the mounting groove 14 is located at the rear side of the upper end of the front vertical plate 11 and the front side of the upper end of the rear vertical plate 13, and the mounting groove 14 can limit 5 degrees of freedom of the roller unit 20 (without bolts, the roller unit 20 can slide up and down in the mounting groove 14).
In this embodiment, the mounting groove 14 at the rear side of the upper end of the front vertical plate 11 is a front mounting groove 111, and the front mounting groove 111 includes a front mounting front reference surface 112 and a front mounting lower reference surface 113 connected in the front-rear direction. The mounting groove 14 at the front side of the upper end of the rear vertical plate 13 is a rear mounting groove 131, and the rear mounting groove 131 includes a rear mounting rear reference surface 132 and a rear mounting lower reference surface 133 which are connected back and forth, as shown in fig. 5 and 6.
The front-side-mounting front reference surface 112 is perpendicular to the front-side-mounting lower reference surface 113, and when the lower end of the roller unit 20 is fitted into the mounting groove 14 in a one-to-one correspondence, the front portion of the lower end of the rectangular outer frame 21 is fitted into the front mounting groove 111, the front side of the lower end of the rectangular outer frame 21 is fitted into the front-side-mounting front reference surface 112, and the front portion of the lower side of the rectangular outer frame 21 is fitted into the front-side-mounting lower reference surface 113.
The rear-side-mounting rear reference surface 132 is perpendicular to the rear-side-mounting lower reference surface 133, and when the lower end of the roller unit 20 is fitted in the mounting grooves 14 in a one-to-one correspondence, the rear portion of the lower end of the rectangular outer frame 21 is fitted in the rear mounting groove 131, the rear side of the lower end of the rectangular outer frame 21 is fitted in correspondence with the rear-side-mounting rear reference surface 132, and the rear portion of the lower side of the rectangular outer frame 21 is fitted in correspondence with the rear-side-mounting lower reference surface 133.
The front side of the rectangular outer frame 21 and the rear side of the rectangular outer frame 21 are arranged in parallel front and back, the front side of the rectangular outer frame 21 and the rear side of the rectangular outer frame 21 are mirror images of each other, and the front side of the rectangular outer frame 21 is perpendicular to the lower side of the rectangular outer frame 21. The front-side mounting front reference surface 112 and the rear-side mounting rear reference surface 132 are arranged in parallel front and rear, and the front-side mounting lower reference surface 113 and the rear-side mounting lower reference surface 133 are located in the same plane. The front and rear corresponding rear mounting recesses 131 and front mounting recesses 111 are identical in construction and are mirror images of each other.
In the present embodiment, the lower end of the rectangular outer frame 21 abuts on the upper surface of the bottom plate 12, and the rectangular outer frame 21 and the bottom plate 12 are fixedly connected by the first bolt 15, as shown in fig. 2. The first bolt 15 passes through the bottom plate 12, the tail end of the first bolt 15 is in threaded connection with the rectangular outer frame 21, and the bottom plate 12 is provided with a strip-shaped through hole for the first bolt 15 to pass through.
In the present embodiment, the roller unit 20 includes a rectangular outer frame 21, an outer-arc-side roller fitting 22, an inner-arc-side roller fitting 23, and a side roller fitting 24, and the outer-arc-side roller fitting 22, the inner-arc-side roller fitting 23, and the side roller fitting 24 are all located inside the rectangular outer frame 21. The outer-arc side roller assembly 22, the inner-arc side roller assembly 23, and the side roller assembly 24 are used to support 8 surfaces of the cast slab 30.
Each roller unit 20 may be the same, or different roller units 20 may be selected according to different requirements. That is, the rectangular outer frame 21 of each roller unit 20 is the same, and the inner roller assemblies (including the outer-arc-side roller assemblies 22, the inner-arc-side roller assemblies 23, and the side roller assemblies 24) of each roller unit 20 can be selected from different models as needed to be suitable for different models of the cast slab 30.
In the present embodiment, the outer arc side roller assembly 22, the inner arc side roller assembly 23, the side roller assembly 24 and the rectangular outer frame 21 are all connected and fixed by the second bolt 25, at least one adjusting shim 26 may be disposed between the outer arc side roller assembly 22, the inner arc side roller assembly 23, the side roller assembly 24 and the rectangular outer frame 21, and the adjusting shim 26 is sleeved outside the second bolt 25. The spacer 26 is used to adjust the precise distance between the roll surface and the reference surface.
In the present embodiment, the rectangular outer frame 21 is a one-piece member having strong strength and rigidity. The rectangular outer frame 21 contains a cooling water duct 27, the cooling water duct 27 is substantially rectangular, and the shape of the cooling water duct 27 matches the shape of the rectangular outer frame 21. Namely, the cooling water channels 27 are formed in the core part around the rectangular outer frame 21, so that the rectangular outer frame 21 can be cooled after water is supplied, and the rectangular outer frame 21 is prevented from being too high in temperature when the fan-shaped section works.
The working process of the sector of the beam blank continuous casting machine is described below.
The lower ends of the roller units 20 are correspondingly matched and inserted with the mounting grooves 14 on the outer arc frame 10. The lower end of the rectangular outer frame 21 of the roller unit 20 is fastened and fixed to the bottom plate 12 of the outer arc frame 10 by the first bolt 15, as shown in fig. 1.
The cast strand 30 enters the cast strand casting machine segment in the casting direction E, and the outer shell side roller assembly 22, the inner shell side roller assembly 23 and the side roller assembly 24 of the roller unit 20 support 8 surfaces of the cast strand 30, as shown in fig. 2.
For ease of understanding and description, the present invention is expressed in terms of absolute positional relationship, in which the directional word "up" indicates an upper direction in fig. 1, "down" indicates a lower direction in fig. 1, "left" indicates a left direction in fig. 1, "front" indicates a direction perpendicular to the sheet of fig. 1 and directed to the inside of the sheet of fig. 1, and "rear" indicates a direction perpendicular to the sheet of fig. 1 and directed to the outside of the sheet of fig. 1. The present invention has been described in terms of the viewer's perspective, but the above directional terms should not be construed or interpreted as limiting the scope of the invention.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features and the technical schemes, and the technical schemes can be freely combined and used.
Claims (10)
1. The special blank continuous casting machine fan-shaped section is characterized by comprising an outer arc frame (10) and a plurality of roller units (20), wherein the roller units (20) are arranged at intervals along a blank discharging direction, and each roller unit (20) is detachably connected with the outer arc frame (10).
2. The segment of a beam blank caster according to claim 1, characterized in that the outer arc frame (10) is provided with a plurality of mounting slots (14) for mounting the roller units (20), the roller units (20) comprise rectangular outer frames (21), and the lower ends of the rectangular outer frames (21) are in matching insertion with the mounting slots (14) in a one-to-one correspondence.
3. The sector of the continuous beam blank casting machine according to claim 2, characterized in that the outer arc frame (10) comprises a front vertical plate (11), a bottom plate (12) and a rear vertical plate (13) which are fixedly connected from front to back, the mounting groove (14) is positioned at the rear side of the upper end of the front vertical plate (11) and at the front side of the upper end of the rear vertical plate (13), and the mounting groove (14) can limit 5 degrees of freedom of the roller unit (20).
4. The sector of the continuous beam blank casting machine according to claim 3, characterized in that the mounting groove (14) at the rear side of the upper end of the front vertical plate (11) is a front mounting groove (111), and the front mounting groove (111) comprises a front mounting front reference surface (112) and a front mounting lower reference surface (113) which are vertically connected front and back.
5. The continuous beam blank caster sector as claimed in claim 4, characterized in that the lower front part of the rectangular outer frame (21) fits in the front mounting groove (111), the front side of the lower end of the rectangular outer frame (21) fits against the front mounting front datum surface (112) and the front part of the lower side of the rectangular outer frame (21) fits against the front mounting lower datum surface (113).
6. The sector of the continuous beam blank casting machine according to claim 4, characterized in that the mounting groove (14) at the front side of the upper end of the rear vertical plate (13) is a rear mounting groove (131), and the rear mounting groove (131) and the front mounting groove (111) which correspond to each other in the front and rear direction are mirror images.
7. The segment of a continuous profile casting machine according to claim 3, characterized in that the lower end of the rectangular outer frame (21) abuts against the base plate (12), and the rectangular outer frame (21) is fixedly connected to the base plate (12) by the first bolt (15).
8. The segment of a beam blank caster according to claim 1, characterized in that the roller unit (20) comprises a rectangular outer frame (21), an outer arc side roller assembly (22), an inner arc side roller assembly (23) and a side roller assembly (24), the outer arc side roller assembly (22), the inner arc side roller assembly (23) and the side roller assembly (24) being located within the rectangular outer frame (21).
9. The segment of a beam blank caster according to claim 8, characterized in that the outer arc side roller assembly (22), the inner arc side roller assembly (23) and the side roller assembly (24) are fixedly connected to the rectangular outer frame (21) by second bolts (25), and adjusting washers (26) are provided between the outer arc side roller assembly (22), the inner arc side roller assembly (23) and the side roller assembly (24) and the rectangular outer frame (21).
10. The segment of a beam blank caster according to claim 1, characterized in that the roller unit (20) comprises a rectangular outer frame (21), the rectangular outer frame (21) containing cooling water ducts (27), the cooling water ducts (27) having a rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425708.3A CN114603093A (en) | 2020-12-09 | 2020-12-09 | Special-shaped blank continuous casting machine sector section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425708.3A CN114603093A (en) | 2020-12-09 | 2020-12-09 | Special-shaped blank continuous casting machine sector section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114603093A true CN114603093A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011425708.3A Pending CN114603093A (en) | 2020-12-09 | 2020-12-09 | Special-shaped blank continuous casting machine sector section |
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| Country | Link |
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| CN (1) | CN114603093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918390A (en) * | 2022-06-22 | 2022-08-19 | 中冶京诚工程技术有限公司 | Sector section of H-shaped blank continuous casting machine |
-
2020
- 2020-12-09 CN CN202011425708.3A patent/CN114603093A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918390A (en) * | 2022-06-22 | 2022-08-19 | 中冶京诚工程技术有限公司 | Sector section of H-shaped blank continuous casting machine |
| CN114918390B (en) * | 2022-06-22 | 2024-02-27 | 中冶京诚工程技术有限公司 | Sector section of H-shaped parison continuous casting machine |
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