CN207756859U - There are two types of the ingot moulds of different tapers for a kind of tool - Google Patents
There are two types of the ingot moulds of different tapers for a kind of tool Download PDFInfo
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- CN207756859U CN207756859U CN201820145943.7U CN201820145943U CN207756859U CN 207756859 U CN207756859 U CN 207756859U CN 201820145943 U CN201820145943 U CN 201820145943U CN 207756859 U CN207756859 U CN 207756859U
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Abstract
A kind of tool belongs to the casting technique field that smelts there are two types of the ingot mould of different tapers, and the utility model is in order to solve the problems, such as that the butt ingot amount of existing ingot mould production is high, central dense degree is low and does not allow easy mold release.The lower face of mould cap is connected with the upper surface of mould body, and the lower face of mould body is connected with the upper surface at mould bottom；The inner wall of mould body is double tapered inner wall, and the angle of upper inside wall and vertical direction is A, and the angle of lower inner wall and vertical direction is B, and the number of degrees of included angle A are less than the number of degrees of included angle B.A kind of tool of the utility model can reduce the cropping rate of steel ingot there are two types of the ingot mould of different tapers while improve central dense degree and be easy demoulding.
Description
Technical field
The utility model is related to a kind of ingot moulds, and in particular to a kind of tool belongs to smelting there are two types of the ingot mould of different tapers
Refine casting technique field.
Background technology
Ingot mould is that the important metallurgy of production steel ingot attaches.When designing ingot mould, STEELMAKING PRODUCTION is considered simultaneously and is added
Two aspects of work production require.The size and shape of one side ingot mould, which must assure that, produces good steel ingot, on the other hand
The size and shape of steel ingot must assure that following process has higher productivity and lumber recovery.
Whole inside raw steel ingot mould is in frustum shape, and cross section is square, and longitudinal section is the trapezoidal of concave section.Steel ingot
Mould from top to bottom use identical taper design, taper 2.21, steel ingot depth-width ratio be 3.21, using arc ingot butt and
General shape cap mouth design.
Taper of ingot is a major parameter in ingot shape design.In order to effectively control ingot solidification along from bottom to top
Sequence carry out, give full play to molten steel in cap mouth vulcanizes contracting function, it is ensured that steel ingot central tissue is fine and close, generally produces high-quality steel
Taper of ingot should be greater than 3%.It is ten clearly demarcated to improving ingot quality, the effect for especially improving steel ingot consistency to increase taper
Aobvious, but the increase of steel ingot section suitable for reading and cap mouth section can be led to again by increasing taper of ingot, can not only be added in this way to steel ingot
Heat and rolling deformation generate harmful effect, can also further increase cap mouth ratio, increase butt ingot amount.Shadow of the taper to cap mouth ratio
The influence rung just with depth-width ratio to cap mouth ratio is opposite, and cap mouth ratio is increased with the increasing of taper.
Depth-width ratio is also an important ingot shape design parameter, it is in addition to steel ingot shrinkage cavity, central dense degree, ingredient
Outside the primary quality measures such as segregation, steel low power have an impact, also have a direct impact to the cap mouth ratio of steel ingot, cropping rate.Depth-width ratio
Excessive, steel ingot static pressure is also big, is easy to form lower part longitudinal crack；And the nonmetal inclusion of molten steel is not easy to float, and bubble is not
Easily discharge, internal shrinkage rarefaction defect is than more serious.Depth-width ratio is too small, and field trash is easier to float in molten steel, V-type degree of segregation
It is small, but the segregation development of A types is serious.Increase steel ingot depth-width ratio advantageously reduce cap mouth ratio, reduce butt ingot amount, improve steel ingot at
Material rate.
But existing ingot mould can not make the two get both, that is, reduce cropping rate and improve central dense degree simultaneously, and also
Difficult, the low problem of demoulding efficiency in the presence of demoulding.
Utility model content
The purpose of this utility model is to provide a kind of ingot mould of tool there are two types of different tapers, is asked with solving above-mentioned technology
Topic.
A kind of tool includes mould cap, mould body and mould bottom there are two types of the ingot mould of different tapers；
The lower face of mould cap is connected with the upper surface of mould body, and the lower face of mould body is connected with the upper surface at mould bottom；
The inner wall of mould body is double tapered inner wall, and the angle of upper inside wall and vertical direction is A, lower inner wall and vertical direction
Angle be B, the number of degrees of included angle A are less than the number of degrees of included angle B.
Preferably：Mould body includes upper mould body and lower die body, and secondary cooling chamber is equipped in the side wall of upper mould body, and pair is cooling
The upper and lower ends of chamber are respectively equipped with secondary cooling medium inlet and secondary cooling media outlet, and main cooling is equipped in the side wall of lower die body
The upper and lower ends of chamber, main cooling chamber are respectively equipped with main cooling medium inlet and main cooling media outlet.
Preferably：Included angle A is 3 °~15 °, and included angle B is 5 °~20 °.
Preferably：Mould cap, mould body and mould bottom are integrally formed ingot mould.
There are two types of the ingot moulds of different tapers for a kind of tool, it is characterised in that：Including mould cap, mould body and mould bottom；
Mould cap, mould body and mould bottom are Split type steel ingot mould, and mould body includes upper mold body and lower die body, the inner wall of upper mold body with it is perpendicular
Histogram to included angle A1Less than the included angle B of lower die body and vertical direction1；
Fixture block is equipped on the lower face of mould cap, upper mold body and lower die body, on the upper surface of upper mold body, lower die body and mould bottom
It is equipped with and is located in slot with the matched slot of fixture block, fixture block.
Preferably：Mould cap is octagon mould cap；The inner wall of upper mold body and the included angle A of vertical direction1It is 3 °~15 °, under
The included angle B of mould body and vertical direction1It is 5 °~20 °.
The utility model has the following effects that compared with existing product：1, it is not reducing steel ingot depth-width ratio and is keeping steel ingot total
While taper is constant, increase the local taper in steel ingot stage casing, it is in steel that the design, which has selected double tapered structure, action principle,
Under conditions of the total taper of ingot is constant, targetedly increases the taper of the loose sensitive strip of steel ingot, that is, increases the taper in steel ingot stage casing,
The consistency of epimere in steel ingot can be greatly improved, while reducing ingot body to the taper at cap mouth line position, keeps steel ingot total
Taper is constant, forms the different taper in two, position up and down.It is this to design the depth-width ratio that not only ensure that steel ingot, but also reduce steel ingot
The volume of top and cap oral area point, can greatly improve lumber recovery, while the fast demoulding of double tapered being designed with conducive to steel ingot.
2, by adding cooling chamber, and design Split type steel ingot mould can further speed up the demoulding effect of steel ingot in demoulding
Rate.
Description of the drawings
Fig. 1 is that there are two types of the structural schematic diagrams of the ingot mould of different tapers for a kind of tool described in the utility model；
Fig. 2 is the structural schematic diagram of specific implementation mode 2；
Fig. 3 is the structural schematic diagram of specific implementation mode 3；
Fig. 4 is 3 vertical view.
In figure：1- moulds cap, 11- fixture blocks, 2- moulds body, 21- pairs cooling chamber, the main cooling chambers of 22-, 211- pairs cooling medium enter
Mouthful, 212- pairs cooling media outlet, the main cooling medium inlets 221-, the main cooling media outlets of 222-, 3- moulds bottom, 31- lower dies body,
32- upper mold bodies.
Specific implementation mode
The utility model preferred embodiment is elaborated below according to attached drawing.
Specific implementation mode 1, as shown in Figure 1, there are two types of the ingot moulds of different tapers for a kind of tool described in the utility model
Including mould cap 1, mould body 2 and mould bottom 3；
The lower face of mould cap 1 is connected with the upper surface of mould body 2, and the lower face of mould body 2 is connected with the upper surface at mould bottom 3
It connects；
The inner wall of mould body 2 is double tapered inner wall, and the angle of upper inside wall and vertical direction is A, lower inner wall and vertical side
To angle be B, the number of degrees of included angle A are less than the number of degrees of included angle B.
Further：Included angle A is 3 °~15 °, and included angle B is 5 °~20 °.
Further：Mould cap 1, mould body 2 and mould bottom 3 are integrally formed ingot mould.
Specific implementation mode 2, as shown in Figure 2：Mould body 2 includes upper mould body and lower die body, in the side wall of upper mould body
Equipped with secondary cooling chamber 21, the upper and lower ends of secondary cooling chamber 21 are respectively equipped with secondary cooling medium inlet 211 and secondary cooling media outlet
212, the side wall of lower die body is interior to be equipped with main cooling chamber 22, and the upper and lower ends of main cooling chamber 22 are respectively equipped with main cooling medium inlet
221 and main cooling media outlet 222.
Specific implementation mode 3, as shown in figure 3, there are two types of the ingot moulds of different tapers, including mould cap 1, mould body 2 for a kind of tool
With mould bottom 3；
Mould cap 1, mould body and mould bottom 3 are Split type steel ingot mould, and mould body 2 includes upper mold body 32 and lower die body 31, upper mold body 32
Inner wall and vertical direction included angle A1Less than the included angle B of lower die body 31 and vertical direction1；
Fixture block 11, upper mold body 32, lower die body 31 and mould are equipped on the lower face of mould cap 1, upper mold body 32 and lower die body 31
It is equipped on the upper surface at bottom 3 and is located in slot with 11 matched slot of fixture block, fixture block 11.
Further：Mould cap 1 is octagon mould cap, and molten steel is exposed in cap mouth after overcoming exothermic mixture fever molten steel to shrink shows
As increasing the heat insulation effect at top, the thermal center (-tre) in cap mouth being made to move up, be conducive to the contraction situation for improving cap mouth, drop can be reached
Low ingot head opening is than the purpose with reduction cropping, and the inner wall of upper mold body 32 and the included angle A 1 of vertical direction are 3 °~15 °, lower die body
31 with the included angle B 1 of vertical direction be 5 °~20 °.
Present embodiment is only to the exemplary description of this patent does not limit its scope of protection, people in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (6)
1. there are two types of the ingot moulds of different tapers for a kind of tool, it is characterised in that：Including mould cap (1), mould body (2) and mould bottom (3)；
The lower face of the mould cap (1) is connected with the upper surface of mould body (2), the upper end of the lower face and mould bottom (3) of mould body (2)
Face is connected；
The inner wall of the mould body (2) is double tapered inner wall, and the angle of upper inside wall and vertical direction is A, lower inner wall with it is vertical
The angle in direction is B, and the number of degrees of included angle A are less than the number of degrees of included angle B.
2. there are two types of the ingot moulds of different tapers for a kind of tool according to claim 1, it is characterised in that：The mould body (2)
It is equipped with secondary cooling chamber (21) including upper mould body and lower die body, in the side wall of upper mould body, up and down the two of secondary cooling chamber (21)
End is respectively equipped with secondary cooling medium inlet (211) and secondary cooling media outlet (212), and main cooling is equipped in the side wall of lower die body
The upper and lower ends of chamber (22), main cooling chamber (22) are respectively equipped with main cooling medium inlet (221) and main cooling media outlet
(222)。
3. there are two types of the ingot moulds of different tapers for a kind of tool according to claim 1, it is characterised in that：The included angle A is
3 °~15 °, included angle B is 5 °~20 °.
4. there are two types of the ingot moulds of different tapers for a kind of tool according to claim 1, it is characterised in that：The mould cap (1),
Mould body (2) and mould bottom (3) are integrally formed ingot mould.
5. there are two types of the ingot moulds of different tapers for a kind of tool, it is characterised in that：Including mould cap (1), mould body (2) and mould bottom (3)；
The mould cap (1), mould body and mould bottom (3) are Split type steel ingot mould, and mould body (2) includes upper mold body (32) and lower die body
(31), the included angle A of the inner wall and vertical direction of upper mold body (32)1Less than the included angle B of lower die body (31) and vertical direction1；
Be equipped with fixture block (11) on the lower face of the mould cap (1), upper mold body (32) and lower die body (31), upper mold body (32), under
It is equipped on the upper surface of mould body (31) and mould bottom (3) and is located in slot with fixture block (11) matched slot, fixture block (11).
6. there are two types of the ingot moulds of different tapers for a kind of tool according to claim 5, it is characterised in that：The mould cap (1)
For octagon mould cap；The included angle A of the inner wall and vertical direction of upper mold body (32)1It is 3 °~15 °, lower die body (31) and vertical side
To included angle B1It is 5 °~20 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145943.7U CN207756859U (en) | 2018-01-29 | 2018-01-29 | There are two types of the ingot moulds of different tapers for a kind of tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820145943.7U CN207756859U (en) | 2018-01-29 | 2018-01-29 | There are two types of the ingot moulds of different tapers for a kind of tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434041A (en) * | 2018-11-19 | 2019-03-08 | 上海宝钢铸造有限公司 | Receive the manufacturing method of bottom formula ingot mould |
| CN109570424A (en) * | 2018-12-04 | 2019-04-05 | 建龙北满特殊钢有限责任公司 | Ingot mould suitable for the octagonal indent that diameter forging machine uses |
| CN111496199A (en) * | 2019-01-30 | 2020-08-07 | 上海交通大学 | Device for increasing cooling speed of cast ingot and application method thereof |
-
2018
- 2018-01-29 CN CN201820145943.7U patent/CN207756859U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434041A (en) * | 2018-11-19 | 2019-03-08 | 上海宝钢铸造有限公司 | Receive the manufacturing method of bottom formula ingot mould |
| CN109570424A (en) * | 2018-12-04 | 2019-04-05 | 建龙北满特殊钢有限责任公司 | Ingot mould suitable for the octagonal indent that diameter forging machine uses |
| CN111496199A (en) * | 2019-01-30 | 2020-08-07 | 上海交通大学 | Device for increasing cooling speed of cast ingot and application method thereof |
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