CN221289436U - Inner riser ingot mould for rolling - Google Patents
Inner riser ingot mould for rolling Download PDFInfo
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- CN221289436U CN221289436U CN202323242414.9U CN202323242414U CN221289436U CN 221289436 U CN221289436 U CN 221289436U CN 202323242414 U CN202323242414 U CN 202323242414U CN 221289436 U CN221289436 U CN 221289436U
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- ingot
- riser
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- spindle
- boss
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- 238000005096 rolling process Methods 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 4
- 208000029154 Narrow face Diseases 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Metal Rolling (AREA)
Abstract
The utility model relates to an internal riser ingot mould for rolling, which comprises a riser, a body, a tail, a trunnion, a breaking table, a boss and a mould bottom hole, wherein the riser is arranged on the body; the riser is correspondingly arranged at the top end of the ingot body and is designed by an internal riser; the spindle tail is correspondingly arranged at the bottom end of the spindle body; the inner cavities of the riser, the ingot body and the ingot tail are correspondingly and completely communicated, and the junction is smoothly tangent and transited; the cavity of the spindle body is a frustum-shaped cavity with a large upper part and a small lower part; an annular boss is arranged at the joint of the upper end of the inner wall of the ingot body and the inner wall of the riser; the inner side edge of the boss is provided with a breaking table; the die bottom hole is arranged at the bottom of the ingot tail; the trunnions are respectively arranged at the upper part and the lower part of the outer walls at the two sides of the narrow surface of the spindle body. The utility model not only completely eliminates the possibility of drilling steel, but also can greatly lighten the workload of demoulding and manually inserting the heat insulation plate and improve the working efficiency.
Description
Technical Field
The utility model relates to the technical field of ingot molds, in particular to an inner riser ingot mold for rolling.
Background
With the gradual improvement of rolling capacity, many materials which can meet performance requirements before can be gradually replaced by rolling, commonly called rolling instead of forging, the utility model designs a large-scale steel ingot for rolling, which can be matched with a high-power 1350mm blooming mill, and is suitable for large reduction, good in internal quality, high in yield after rolling and reduced in-situ manual operation capacity based on the requirement of special steel mill on rolling instead of forging, and therefore, the large-scale steel ingot which can be adapted to 1350mm rolling capacity needs to be designed in a matched manner.
The traditional ingot mould generally adopts the design of body and cap mouth disconnect-type, mainly in order to reduce the ratio of rising to collect impurity and defect with the form of heightening the rising head height, thereby ensure steel ingot internal quality, but the separated rising head not only has the risk of boring steel, still need next get rid of the rising head mould when drawing of patterns, simultaneously also be inconvenient for the manual work to insert the insulated plate, production efficiency is lower.
Disclosure of Invention
The utility model aims to provide the inner riser ingot mould for rolling, which has the characteristics of steel drilling avoidance, easier demoulding and heat insulation plate insertion, strong heat deformation resistance and the like, and the produced steel ingot can be suitable for large reduction, and has enough good internal quality and high yield.
The technical scheme adopted by the utility model is as follows:
The utility model provides an inner riser ingot mould for rolling, which comprises a riser, an ingot body, an ingot tail, a trunnion, a breaking table, a boss and a mould bottom hole, wherein the riser is arranged on the ingot body; the riser is correspondingly arranged at the top end of the ingot body and is designed by an internal riser; the spindle tail is correspondingly arranged at the bottom end of the spindle body; the inner cavities of the riser, the ingot body and the ingot tail are correspondingly and completely communicated, and the junction is smoothly tangent and transited; the cavity of the spindle body is a frustum-shaped cavity with a large upper part and a small lower part; an annular boss is arranged at the joint of the upper end of the inner wall of the ingot body and the inner wall of the riser; the inner side edge of the boss is provided with a breaking table; the die bottom hole is arranged at the bottom of the ingot tail; the trunnions are respectively arranged at the upper part and the lower part of the outer walls at the two sides of the narrow surface of the spindle body.
Furthermore, pre-arching structures are correspondingly arranged on the inner walls of the two sides of the wide surface of the ingot body.
Furthermore, the width of the boss is the same as the thickness of the heat insulation plate, and the size of the inner cavity of the riser part after the heat insulation plate is inserted is consistent with the size of the inner cavity of the junction of the ingot body.
Furthermore, the wall thickness of the upper port of the spindle body and the wall thickness of the lower port of the spindle body are smaller than the wall thickness of the middle section of the spindle body, and the spindle body is in a tortoiseshell shape.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model adopts integrated casting, only one die is adopted, the demolding of the steel ingot is more convenient, the on-site management is also convenient, the possibility of drilling steel is avoided by adopting the internal riser type design, the manual insertion of the heat insulation plate is more convenient by adopting the heat insulation plate boss design, the service life of the ingot mould is prolonged by adopting the pre-arching design, the heat dissipation uniformity of the ingot mould is improved by adopting the design of big two ends and small middle wall thickness of the ingot body section of the ingot mould, and in addition, the optimization is also carried out in the aspects of the conicity of the ingot body, the deformation uniformity and the shape and the size of the ingot tail, so that the ingot shape produced by the ingot mould is more suitable for large-deformation rolling.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
fig. 2 is a schematic side sectional structure of the present utility model.
Wherein, the reference numerals: 1-riser; 2-insulating boards; 3-breaking the table; 4-an upper port of the spindle body; 5-trunnion; 6, ingot body; 7-the middle section of the spindle body; 8-a lower spindle port; 9-ingot tail; 10-a die bottom hole; 11-boss; 12-pre-arching.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
It should be noted that, in the description of the present utility model, the terms "upper", "lower", "top", "bottom", "one side", "another side", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not mean that the device or element must have a specific orientation, be configured and operated in a specific orientation.
Referring to fig. 1 and 2, an embodiment of an inner riser ingot mold for rolling according to the present utility model is shown. The ingot mould comprises a riser 1, a breaking table 3, a trunnion 5, a spindle body 6, a spindle tail 9, a mould bottom hole 10 and a boss 11.
Wherein, the riser 1 is correspondingly arranged at the top end of the ingot body 6 and adopts an internal riser design; the spindle tail 9 is correspondingly arranged at the bottom end of the spindle body 6; the inner cavities of the riser 1, the spindle body 6 and the spindle tail 9 are correspondingly and completely communicated, and the junction is smoothly tangent and transited; the inner cavity of the ingot body 6 is provided with a certain taper, the overall appearance of the ingot mould is in a tortoise-back shape, the inner cavity is provided with a certain taper, and the overall inner cavity of the ingot mould is a frustum-shaped cavity with a large upper part and a small lower part.
An annular boss 11 is arranged at the joint of the upper end of the inner wall of the spindle body 6 and the inner wall of the riser 1 and is used for inserting the heat insulation plate 2; the width of the boss 11 is the same as the thickness of the heat insulation plate 2, and the size of the inner cavity of the riser 1 after the heat insulation plate 2 is inserted is consistent with the size of the inner cavity of the junction of the spindle body 6.
The inner side edge of the boss 11 is provided with a breaking table 3, and the breaking table 3 is formed by respectively chamfering the inner side edge of the boss 11 and the inner side edge of the lower end of the heat insulation plate 2; the existence of the breaking table 3 can lead the steel ingot to break the connection with the bottom water gap under the action of gravity in the solidification shrinkage process, thereby facilitating demoulding; the die bottom hole 10 is arranged at the bottom of the ingot tail 9; the trunnion 5 is fixedly arranged at the upper part and the lower part of the outer walls of the narrow surfaces at the two sides of the spindle body 6 respectively.
As shown in fig. 2, the present utility model is mainly directed to a large-sized ingot for rolling, and the ingot die width is large in size and is easily deformed by heat, and for this purpose, the inner walls of the two wide sides of the ingot body 6 are provided with pre-arching structures 13.
In the cooling process of the steel ingot, the highest temperature is 2/1 to 2/3 of the height of the ingot body, so that the wall thickness of the port 4 on the ingot body and the wall thickness of the port 8 under the ingot body are smaller than the wall thickness of the middle section 7 of the ingot body, and the wall thickness is in a tortoiseshell shape and is in uniform transition.
In order to ensure that the inner cavity of the ingot tail 9 can be smoothly connected with the inner cavity of the ingot body 6 and meets the condition of uniform deformation, the inner cavity of the ingot tail 9 is designed into an arc-shaped structure, and the upper end of the inner cavity of the ingot tail 9 is smoothly tangent and transited with the lower end of the inner cavity of the ingot body 6.
The utility model is further illustrated by the following examples:
Example 1
In this embodiment, for the designed square ingot for 5 ton rolling, the dimensions of each surface of the square ingot mold are consistent, so that the pre-arching 13 is not arranged, the taper of the inner cavity of the ingot body 6 is 4.2%, the width of the boss 11 is 45mm, the thickness of the lower end of the heat insulation plate 2 is the same as the width of the boss 11, the thickness of the inner cavity of the boss 11 is 45mm, after the boss 11 is inserted into the heat insulation plate 2, the dimensions of the inner cavity of the boss are consistent with the dimensions of the upper port of the inner cavity of the ingot body 6, the wall thicknesses of the upper port 4 of the ingot body and the lower port 8 of the ingot body are 145mm, the wall thickness of the middle end 6 of the ingot body is 160mm, the transitional arc radius of the ingot tail 9 is 160mm, the mold ingot ratio is 1.45, the average yield of the ingot is 87% after the ingot is rolled, which is higher than the average yield of the original ingot mold is 83%, the average flaw detection qualification rate is 96% which is higher than the original 92%.
Example two
In this embodiment, for a designed slab ingot for 6 ton rolling, the width of the ingot mold is provided with a pre-arch 13, the upper arch height of the pre-arch 13 is 25mm, the lower arch height is 15mm, the taper of the cavity of the ingot body 6 is 3.8%, the width of the boss 11 is 45mm, the thickness of the lower end of the heat insulation plate 2 is equal to the width of the boss 11, the thickness of the boss 11 is 45mm, after the heat insulation plate 2 is inserted, the size of the cavity is consistent with the size of the port on the cavity of the ingot body 6, the thickness of the wide faces of the port 4 on the ingot body and the port 8 on the lower end of the ingot body is 155mm, the thickness of the narrow faces is 140mm, the thickness of the wide faces of the middle section 7 of the ingot body is 175mm, the thickness of the narrow faces is 160mm, the radius of the transitional arc of the ingot tail 9 is 130mm, the narrow faces are 170mm, the ingot ratio is 1.46, the average yield of the ingot is 86%, the average yield of the slab is higher than the 81% of the original ingot, the average yield is higher than 5%, the average flaw detection yield is 95% and is higher than the original 89%.
The utility model is not particularly limited to the known technology.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (4)
1. An internal riser ingot mould for rolling, which is characterized in that: the ingot mould comprises a riser, a body, a tail, a trunnion, a breaking table, a boss and a mould bottom hole; the riser is correspondingly arranged at the top end of the ingot body and is designed by an internal riser; the spindle tail is correspondingly arranged at the bottom end of the spindle body; the inner cavities of the riser, the ingot body and the ingot tail are correspondingly and completely communicated, and the junction is smoothly tangent and transited; the cavity of the spindle body is a frustum-shaped cavity with a large upper part and a small lower part; an annular boss is arranged at the joint of the upper end of the inner wall of the ingot body and the inner wall of the riser; the inner side edge of the boss is provided with a breaking table; the die bottom hole is arranged at the bottom of the ingot tail; the trunnions are respectively arranged at the upper part and the lower part of the outer walls at the two sides of the narrow surface of the spindle body.
2. An internal riser ingot mould for rolling according to claim 1, wherein: the inner walls of the two sides of the wide surface of the ingot body are correspondingly provided with pre-arching structures.
3. An internal riser ingot mould for rolling according to claim 1, wherein: the width of the boss is the same as the thickness of the heat insulation plate, and the size of the inner cavity of the riser part after the heat insulation plate is inserted is consistent with the size of the inner cavity of the junction of the spindle body.
4. An internal riser ingot mould for rolling according to claim 1, wherein: the wall thickness of the upper port of the spindle body and the wall thickness of the lower port of the spindle body are smaller than the wall thickness of the middle section of the spindle body, and the spindle body is in a tortoiseshell shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323242414.9U CN221289436U (en) | 2023-11-30 | 2023-11-30 | Inner riser ingot mould for rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323242414.9U CN221289436U (en) | 2023-11-30 | 2023-11-30 | Inner riser ingot mould for rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221289436U true CN221289436U (en) | 2024-07-09 |
Family
ID=91750455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323242414.9U Active CN221289436U (en) | 2023-11-30 | 2023-11-30 | Inner riser ingot mould for rolling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221289436U (en) |
-
2023
- 2023-11-30 CN CN202323242414.9U patent/CN221289436U/en active Active
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