CN217889459U - Special ingot sealing tool for casting high-alloy tool steel slab - Google Patents
Special ingot sealing tool for casting high-alloy tool steel slab Download PDFInfo
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- CN217889459U CN217889459U CN202122344599.9U CN202122344599U CN217889459U CN 217889459 U CN217889459 U CN 217889459U CN 202122344599 U CN202122344599 U CN 202122344599U CN 217889459 U CN217889459 U CN 217889459U
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Abstract
The utility model provides a special dummy ingot instrument that seals of watering is driven to high alloy tool steel slab solves traditional manufacturing equipment singleness, makes to drive the aligning of watering the base head and takes off the ingot difficulty, can not satisfy the problem of special alloy production demand. The special dummy ingot sealing tool (1) for casting the high-alloy tool steel slab is matched with the size of a crystallizer and a dummy ingot head of a slab caster with the radius of 16.485m and the section of 200mm multiplied by 550-850 mm; the special sealed dummy ingot tool (1) for casting the high-alloy tool steel slab is formed by welding two Q235-B low-carbon alloy steel plates (2) and one Q235-B low-carbon alloy steel plate (3) which are designed in a hollowed mode, and the two Q235-B low-carbon alloy steel plates (2) and the Q235-B low-carbon alloy steel plate (3) are perpendicular to each other. The utility model discloses following beneficial effect has: 1. the structure is simple, and the manufacturing cost is low; 2. the method has the advantages of simple and convenient operation, no steel leakage accident, easy straightening of the casting blank and smooth ingot stripping; 3. can be used for casting high alloy tool steel with different section specifications.
Description
Technical Field
The utility model relates to a slab preparation instrument field, in particular to special dummy ingot instrument that seals of watering is opened to high alloy tool steel slab.
Background
In order to improve the production efficiency, reduce the cost, improve the yield of molten steel, enlarge the productivity and increase the market share, the high-alloy tool steel is produced on a slab caster with the radius of 16.485m and the section of 200mm multiplied by (550-850) mm to replace the traditional die casting production. However, high alloy tool steel has high hardness, poor plasticity and easy breakage (as shown in figure 1), so that the difficulty in straightening and stripping the cast billet head is the biggest problem of restricting the smooth production of qualified cast billets.
Disclosure of Invention
The utility model provides a special dummy ingot instrument that seals of watering is driven to high alloy tool steel slab solves traditional manufacturing equipment singleness, makes to drive the aligning of watering the base head and takes off the ingot difficulty, can not satisfy the problem of special alloy production demand.
The above purpose is realized by the following technical scheme:
a special dummy ingot sealing tool (1) for casting a high-alloy tool steel slab is matched with a crystallizer and a dummy ingot head (4) of a slab caster, the radius of which is 16.485m, and the section of which is 200mm multiplied by 550-850 mm; a special ingot sealing tool (1) for casting a high-alloy tool steel slab, wherein the special ingot sealing tool is formed by welding two L-shaped Q235-B low-carbon alloy steel plates (2) and one I-shaped Q235-B low-carbon alloy steel plate (3) (shown in figures 2 and 5); the L-shaped Q235-B low-carbon alloy steel plate (2) and the first-shaped Q235-B low-carbon alloy steel plate (3) adopt a hollowed design, the L-shaped Q235-B low-carbon alloy steel plate (2) is L-shaped (as shown in figure 4), an L-shaped part is an inclined plane, the inclination of the L-shaped part is consistent with that of the upper part of the dummy bar head (4) (as shown in figure 8), a round hole is formed in the right angle part of the lower part, and a strip-shaped hole is formed in the upper part of the round hole; the first type Q235-B low-carbon alloy steel plate (3) is a first type (as shown in figure 3), the length direction of the first type Q235-B low-carbon alloy steel plate is divided into 3 areas, a large round hole is formed in the middle area, and two small round holes are formed in the two areas on the two sides respectively; the lower parts of the two L-shaped Q235-B low-carbon alloy steel plates (2) are respectively arranged between two adjacent areas of the one-shaped Q235-B low-carbon alloy steel plate (3), the two L-shaped Q235-B low-carbon alloy steel plates (2) are perpendicular to the one-shaped Q235-B low-carbon alloy steel plate (3), three plates are continuously welded, and the height of a welding line is not less than 8mm;
the special sealing dummy ingot tool (1) for casting the high-alloy tool steel slab is made of a material with better plasticity.
The utility model discloses following beneficial effect has:
1. the structure is simple, and the manufacturing cost is low; 2. the method has the advantages of simple and convenient operation, no steel leakage accident, easy straightening of the casting blank and smooth ingot stripping; 3. can be used for casting high alloy tool steel with different section specifications.
Drawings
FIG. 1 is a diagram of a broken object at a billet head in the prior casting billet straightening process;
FIG. 2 is a solid view of a special ingot sealing tool for casting high alloy tool steel;
FIG. 3 is a front view of a special ingot sealing tool for casting high alloy tool steel;
FIG. 4 is a side view of a special ingot sealing tool for casting high alloy tool steel;
FIG. 5 is a top view of a special ingot sealing tool for casting high alloy tool steel;
FIG. 6 is a diagram showing a material object of a high alloy tool steel casting special sealing dummy ingot tool placed in a crystallizer;
FIG. 7 is a diagram showing an object which is not broken at the billet head in the process of straightening a casting billet after a special ingot sealing tool for casting by using high alloy tool steel is used;
FIG. 8 is a schematic side view of a dummy bar head and a special dummy bar sealing tool for high alloy tool steel casting.
Description of the drawings: the casting method comprises the following steps of 1-pouring a special sealing dummy ingot tool for a high-alloy tool steel slab, 2-L type Q235-B low-carbon alloy steel plate, 3-I type Q235-B low-carbon alloy steel plate and 4-dummy ingot heads.
Detailed Description
The present invention will be further described in detail with reference to the accompanying drawings.
Example 1
The radius of a large-arc continuous casting machine is 16.485m, and the large-arc continuous casting machine is used for producing a certain high-alloy tool steel continuous casting billet with the specification: 200mm × 550mm. The special sealed dummy ingot tool 1 for casting the steel plate blank by using the high alloy tool is commonly called 'double cross handshake' to implement dummy ingot operation. The double-cross handle adopts a hollow design, and holes are formed in the L-shaped Q235-B low-carbon alloy steel plate 2 and the I-shaped Q235-B low-carbon alloy steel plate 3, so that molten steel can flow normally in the casting process, and casting breakout accidents caused by uneven solidification of a blank shell above a dummy bar head 4 are avoided; the "double cross-handle" selects a material with better plasticity to avoid breakage during straightening.
The selection of the placing position of the double-cross handle for placing the double-cross handle into the crystallizer: the double-cross handle is put into the crystallizer above the ingot head 4, in the middle of the width direction of the crystallizer, in the thickness direction of the crystallizer and near the outer arc (as shown in figure 6), and the specific positions are as follows: a first type Q235-B low-carbon alloy steel plate 3 of a 'double cross handshake' is placed in the middle of the left and right of the crystallizer, and an L type Q235-B low-carbon alloy steel plate 2 is close to an outer arc copper plate of the crystallizer; namely, the L-shaped part of the L-shaped Q235-B low-carbon alloy steel plate 2 is an inclined plane, the inclination of the L-shaped part is consistent with the inclination above the dummy bar head 4 (as shown in figure 8), and the phenomenon that the copper plate is scratched when the 'double cross-shaped handle' falls to the inner arc wall of the crystallizer is avoided; in the straightening process, the steel billet is stressed maximally and at the weakest position, namely above the dummy bar head 4, and is just positioned between the round hole and the strip-shaped hole of the L-shaped Q235-B low-carbon alloy steel plate 2, so that the strength is increased, and the phenomenon that the ingot cannot be removed due to the fracture in the straightening process is avoided;
the continuous casting is smoothly started, the dummy bar head 4 part of the continuous casting billet is not broken in the straightening process (as shown in figure 7), and the continuous casting billet is smoothly removed and successfully discharged.
Example 2
The radius of the large arc-shaped continuous casting machine is 16.485m, and the large arc-shaped continuous casting machine is used for producing a certain high-alloy tool steel continuous casting billet with the specification: 200 mm. Times.650 mm. Otherwise, the same procedure as in example 1 was repeated.
Claims (3)
1. A special dummy ingot sealing tool for casting a high-alloy tool steel slab is characterized in that the special dummy ingot sealing tool (1) for casting the high-alloy tool steel slab is matched with a crystallizer and a dummy ingot head of a slab continuous casting machine with the radius of 16.485m and the section of 200mm multiplied by 550-850 mm; the special sealed dummy ingot tool (1) for casting the high-alloy tool steel slab is formed by welding two L-shaped Q235-B low-carbon alloy steel plates (2) and one I-shaped Q235-B low-carbon alloy steel plate (3) which adopt a hollow design, the lower parts of the two L-shaped Q235-B low-carbon alloy steel plates (2) are respectively arranged between two adjacent areas of the one I-shaped Q235-B low-carbon alloy steel plate (3), and the two L-shaped Q235-B low-carbon alloy steel plates (2) are perpendicular to the one I-shaped Q235-B low-carbon alloy steel plate (3).
2. The special ingot sealing and guiding tool for the open casting of the high-alloy tool steel slab is characterized in that the L-shaped Q235-B low-carbon alloy steel plate (2) and the first-shaped Q235-B low-carbon alloy steel plate (3) adopt a hollow design, a round hole is formed in the right-angled part of the lower part of the L-shaped Q235-B low-carbon alloy steel plate (2), and a strip-shaped hole is formed in the upper part of the round hole; the first type Q235-B low-carbon alloy steel plate (3) is divided into 3 areas in the length direction, a large round hole is formed in the middle area, and small round holes are formed in the two areas on the two sides respectively.
3. The special dummy ingot sealing tool for the casting of the high-alloy tool steel slab as claimed in claim 2, wherein the L-shaped part of the L-shaped Q235-B low-carbon alloy steel plate (2) is an inclined plane, and the inclination of the L-shaped part is consistent with the inclination above the dummy ingot head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122344599.9U CN217889459U (en) | 2021-09-26 | 2021-09-26 | Special ingot sealing tool for casting high-alloy tool steel slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122344599.9U CN217889459U (en) | 2021-09-26 | 2021-09-26 | Special ingot sealing tool for casting high-alloy tool steel slab |
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| CN217889459U true CN217889459U (en) | 2022-11-25 |
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| CN202122344599.9U Active CN217889459U (en) | 2021-09-26 | 2021-09-26 | Special ingot sealing tool for casting high-alloy tool steel slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020987A (en) * | 2023-01-30 | 2023-04-28 | 东北特殊钢集团股份有限公司 | Continuous casting method of high alloy steel Cr12MoV series |
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2021
- 2021-09-26 CN CN202122344599.9U patent/CN217889459U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020987A (en) * | 2023-01-30 | 2023-04-28 | 东北特殊钢集团股份有限公司 | Continuous casting method of high alloy steel Cr12MoV series |
| CN116020987B (en) * | 2023-01-30 | 2024-05-10 | 东北特殊钢集团股份有限公司 | Continuous casting method of high alloy steel Cr12MoV series |
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