CN208437634U - New-type mould bottom brick - Google Patents
New-type mould bottom brick Download PDFInfo
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- CN208437634U CN208437634U CN201821037377.4U CN201821037377U CN208437634U CN 208437634 U CN208437634 U CN 208437634U CN 201821037377 U CN201821037377 U CN 201821037377U CN 208437634 U CN208437634 U CN 208437634U
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Abstract
The utility model relates to a kind of New-type mould bottom brick, the New-type mould bottom brick has first end face and second end face, and the first end face and the second end face are annular；Lateral surface is equipped between the first end face and the second end face, the lateral surface with ingot mold bottom outlet for matching；It is equipped with through-hole along the New-type mould bottom brick axis, the through-hole passes through for molten steel and is finally injected into the ingot mould.The utility model provides a kind of mould bottom brick that the large and medium-sized bet ingot mould of 7t, 9t, 18t is used using later period mould bottom outlet deformation retract.New-type mould bottom brick provided by the present application is installed or replaces when in use all very convenient, greatly improves working efficiency.New-type mould bottom brick provided by the present application is not necessarily to knock out redundance when in use, has good economic value.
Description
Technical field
The utility model relates to ingot mold bottom brick, in particular to a kind of New-type mould bottom that 7t, 9t, 18t ingot mould are general
Brick.
Background technique
The material of ingot mould is usually cast iron, and mould bottom outlet needs fit drawing die bottom brick in the middle part of mould bottom, 7t, 9t, 18t ingot shape
Ingot mould need to use the mould bottom brick of same model due to mould bottom outlet height consistent (high 140mm).Mould bottom brick is filled in molding casting
One of ingot mold bottom outlet runner brick is fitted over, molten steel circulates from middle part hollow parts from bottom to top.Production scene 7t, 9t,
There are two types of the matching used mould bottom bricks of the big-and-middle Ingot Mold such as 18t: 140 mould bottom bricks and 200 mould bottom bricks, shape is roughly the same,
For beveled cone.
There was only 110,140,200,240 4 kind about mould bottom brick in the professional standard of ingot mold bottom brick outer dimension,
It is 140,200,240 3 kind that the big-and-middle Ingot Mold of 7-40t, which matches mould bottom brick, and the big-and-middle Ingot Mold of 7t, 9t, 18t makes
Internal diameter with initial stage, mould bottom outlet is larger, is 140 mould bottom bricks with the matching used mould bottom brick of its mould bottom outlet.Due to using initial stage
The outer diameter of mould bottom outlet is more slightly larger than the outer diameter of 140 mould bottom bricks, so being capable of normal use after assembly.But with the increasing of access times
More (ingot mould needs experience " molten steel casting-ingot solidification-draft-demoulding " using primary), ingot mold bottom can be repeatedly through being cooled
Thermal shock, while pulling out mould bottom outlet during red steel and also suffering from very big mechanical tensile stress, ingot mould, which has arrived, uses later period mould bottom
Phenomena such as hole can crack, especially mould bottom outlet aperture can reduce, this has just seriously affected the assembly of mould bottom brick.7t,9t,
Mould bottom outlet can deform diminution after a number of uses in 18t bottom pouring ingot mold bottom hole, and the phenomenon of this recessiveness is not easy resistance to
Material designer realizes that existing two kinds big pattern bottom brick all cannot be matched after 7t, 9t, 18t ingot mold bottom outlet reduce
Use: the too big plug of 140 pyknic large head external diameters is not entered, and 200 high thin microcephalies fill in but enlarged head branch longer one
Part.After the deformation of mould bottom outlet, operator can only use the smaller high 200 mould bottom brick of thin of small head external diameter to assemble therewith, due to
The height of 200 mould bottom bricks is longer than ingot mold bottom outlet height, and (the large and medium-sized ingot mold bottom outlet of 7t, 9t, 18t uses 140 high mould bottoms
Brick assembles just), will lead to can protrude a part in the outside bottom surface of mould bottom outlet after the assembly of 200 mould bottom bricks is entered, straight in this way
Connect influence using effect.In order to be assemblied in 200 mould bottom bricks in mould bottom outlet, the two height later is consistent, and operator can be by 200
The part of the major part protrusion of mould bottom brick breaks about 60mm into pieces, and the 200 mould bottom brick height of high thin after breaking into pieces becomes 140 or so can
It is suffered with being assemblied in the mould bottom outlet of ingot mould.200 mould bottom bricks knock out a part reprocessing process be difficult it is controlled, after processing
Brick height is difficult to ensure just consistent with mould bottom outlet height, and incision position can be cracked and be extended in resistance to material.Using in this way
Compared with 140mm grow or short mould bottom brick there are the risks of bleed-out during molten steel flows into mould, and due to depositing
It is easy to be washed off by steel in remaining crackle mould bottom brick, the part washed away, which enters molten steel, will form foreing impuritys.
Therefore novel 140 mould used after the big-and-middle Ingot Mold later period mould bottom outlet deformation of a kind of 7t, 9t, 18t can be designed
Bottom brick, this New-type mould bottom brick small head external diameter as 200 mould bottom bricks, outside taper be 1/20, thus can 7t, 9t,
The large and medium-sized ingot mould die hole of 18t uses after reducing.It follows that producing one kind aims at the large and medium-sized bet steel ingot of 7t, 9t, 18t
The mould bottom brick that mould mould bottom outlet uses after shrinking has a very important significance.
Utility model content
The purpose of this utility model is to provide the large and medium-sized bet ingot mould later period mould bottom outlet deformations of a kind of 7t, 9t, 18t to receive
It contracts and dedicated New-type mould bottom brick.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of New-type mould bottom brick, it is improved in that the New-type mould bottom brick has first end face and second end face,
The first end face and the second end face are annular；It is set between the first end face and the second end face
There is lateral surface, the lateral surface with ingot mold bottom outlet for matching；
It is equipped with through-hole along the New-type mould bottom brick axis, the through-hole passes through for molten steel and is finally injected into the steel ingot
In mould.
Preferably, in above-mentioned New-type mould bottom brick, the annular outer diameter of the first end face is less than the second end face
Annular outer diameter.
Preferably, in above-mentioned New-type mould bottom brick, the circular inside diameters of the first end face are greater than the second end face
Circular inside diameters.
Preferably, in above-mentioned New-type mould bottom brick, the medial surface taper of the through-hole is 1/56.
Preferably, in above-mentioned New-type mould bottom brick, the taper of the New-type mould bottom brick lateral surface is 1/20.
Preferably, in above-mentioned New-type mould bottom brick, the height of the New-type mould bottom brick is 140mm.
Preferably, in above-mentioned New-type mould bottom brick, the outer diameter of the first end face is 135mm.
Preferably, in above-mentioned New-type mould bottom brick, the outer diameter of the second end face is 150mm.
Preferably, in above-mentioned New-type mould bottom brick, the internal diameter of the first end face is 80mm.
Preferably, in above-mentioned New-type mould bottom brick, the internal diameter of the second end face is 75mm.
Preferably, in above-mentioned New-type mould bottom brick, the top of the through-hole is intersected with the first end face, bottom end and institute
State second end face intersection；
The lateral surface top of the New-type mould bottom brick is intersected with the first end face, and bottom end is intersected with the second end face.
Preferably, in above-mentioned New-type mould bottom brick, the ingot mould is any one in 7t, 9t, 18t ingot mould.
Preferably, in above-mentioned New-type mould bottom brick, the inner and outer annular diameter ruler of the first end face and second section
Very little tolerance is ± 1mm.
Analysis is it is found that compared with prior art, the utility model provides one kind and aims at the large and medium-sized bet steel ingot of 7t, 9t, 18t
The mould bottom brick that mould is used using later period mould bottom outlet deformation retract.New-type mould bottom brick provided by the present application is installed or more when in use
It changes all very convenient, greatly improves working efficiency.It is extra that New-type mould bottom brick provided by the present application is not necessarily to knock out when in use
Part has good economic value.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the structural schematic diagram of the utility model mould bottom brick.
Description of symbols: 1- first end face；2- second end face；3- lateral surface；4- medial surface, D1- large head external diameter, D- are small
Head outer diameter, d- major part internal diameter, d1- microcephaly internal diameter, h- height.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.Each example passes through the utility model
The mode of explanation provide rather than limit the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case where with novel range or spirit, it can modify in the present invention and modification.For example, being illustrated or described as one
The feature of a part of a embodiment can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of the following claims and their equivalents.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected；It can be wired electrical connection, radio connection, be also possible to wireless communication signals connection, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Existing mould bottom brick outer dimension parameter (the real side value) such as table 1 being used cooperatively with the big-and-middle Ingot Mold of 7t, 9t, 18t
It is shown.
The existing mould bottom brick outer dimension parameter (unit: mm) that table 1 and the big-and-middle Ingot Mold of 7t, 9t, 18t are used cooperatively
Two kinds of mould bottom bricks in comparison sheet 1 it is found that 200 mould bottom brick small head external diameter 135mm than 140 mould bottom bricks small head external diameter
The small 15mm of 150mm, and it is 1/18.67,200 moulds that the outside taper of 200 mould bottom bricks, which is the outside taper of 1/20,140 mould bottom bricks,
The outside taper of bottom brick is smaller (i.e. 200 mould bottom bricks are high thin shape, and 140 mould bottom bricks are pyknic).
Due to the horn mouth formula (one end of ingot mould inner surface is narrow) that the shape of ingot mold bottom outlet is inner narrow outer width, in mould
It needs ingot mould carrying out traverse (i.e. the axis of ingot mould is parallel to the ground) before bottom brick assembly, operator stands in ingot mold
It is assembled on the outside of bottom using the mould bottom brick to match with mould bottom outlet, for the gap between filling mould bottom brick and mould bottom outlet hole wall
(internal diameter that the outer diameter of mould bottom brick is less than mould bottom outlet), mould bottom brick outer ring need to wrap multilayer toilet paper.
For example, the mould bottom brick that 7t~40t ingot mould assembles in metallurgy industry standard include 240 high mould bottom bricks, it is 200 high
Mould bottom brick and 140 high mould bottom bricks, wherein mould bottom outlet understands deformation retract to the ingot mould of 7t, 9t, 18t after use, uses for the first time
It is 140 high mould bottom bricks, uses 200 high mould bottom bricks to replace after the deformation of mould bottom, but mould will be compared using 200 high mould bottom bricks
Bottom outlet height grows 60mm.The ingot mould of 7t, 9t, 18t must be using 200 long mould bottom bricks after becoming smaller because of mould bottom outlet aperture
The extra part 60mm of the major part of brick knocks out, and this operating method intricate operation, the mould bottom brick height after processing cannot be guaranteed
It is complete consistent with mould bottom outlet height, crackle residual is also had in brick body after tapping.Therefore, utility model one kind is following to have
Effect improves efficiency, and the New-type mould bottom brick of high degree save the cost is very necessary.
As shown in Figure 1, being a kind of cross-sectional view of New-type mould bottom brick provided by the utility model.The New-type mould bottom brick has the
One end face 1 and second end face 2, first end face 1 and second end face 2 are annular；It is set between first end face 1 and second end face 2
There is a lateral surface 3, lateral surface 3 is used to match with ingot mould hole of knowing the real situation, i.e., when mould bottom brick to be mounted in ingot mold bottom outlet,
The lateral surface 3 and the wall surface of ingot mold bottom outlet of mould bottom brick fit.
Along New-type mould bottom brick axis be equipped with through-hole, when carrying out molten steel teeming mould, molten steel from through-hole entrance and most
It is injected into ingot mould eventually.
As shown in fig. 1, the annular outer diameter (i.e. small head external diameter D) of the first end face 1 of New-type mould bottom brick is less than second end face
2 annular outer diameter (i.e. large head external diameter D1).Accordingly, the circular inside diameters (i.e. microcephaly internal diameter d1) of first end face 1 are greater than second end
Circular inside diameters (the i.e. major part internal diameter d) in face 2.
The top of through-hole is intersected with first end face 1, and bottom end is intersected with second end face 2.3 top of lateral surface of New-type mould bottom brick
Intersect with first end face 1, bottom end is intersected with second end face 2.
Preferably, the medial surface taper of through-hole is 1/56.
Preferably, the taper of New-type mould bottom brick lateral surface is 1/20.
Preferably, the height of New-type mould bottom brick is 140mm.
Preferably, the outer diameter of first end face 1 is 135mm.
Preferably, the outer diameter of second end face 2 is 150mm.
Preferably, the internal diameter of first end face 1 is 80mm.
Preferably, the internal diameter of second end face 2 is 75mm.
Preferably, the material of the New-type mould bottom brick should be High-Alumina or mullite.
Novel 140 mould bottom brick small head external diameter should be taken as 135mm (mould bottom outlet deformation as the small head external diameter of 200 mould bottom bricks
After can be used cooperatively with 200 mould bottom bricks, i.e. the small head external diameter of 200 mould bottom bricks can be filled in deformed mould bottom outlet), newly
The height of pattern bottom brick is 140mm, and the outside taper of New-type mould bottom brick should (200 mould bottoms similar to the outside taper of 200 mould bottom bricks
The outside taper of brick is 1/20, and the outside taper of 140 mould bottom bricks is quite similar therewith, 1/20), to take novel 140 mould bottom brick
Outside taper be 1/20.
When outside taper is 1/20, ((D1-135) ÷ 2)/140=1/20 obtains D1=150.Therefore novel 140 mould
The large head external diameter of bottom brick is taken as 150mm.
Novel 140 mould bottom brick small head external diameter d1 should be big as the small head external diameter of 200 mould bottom bricks, is taken as 80mm, and its
Medial surface taper should be consistent with existing 140 mould bottom brick, therefore taking its major part internal diameter d is 75mm.
The relative dimensions parameter of the novel 140 mould bottom brick, existing 140 mould bottom brick and existing 200 mould bottom brick is as shown in table 2.
The novel 140 mould bottom brick of table 2, the relative dimensions parameter (unit: mm) of existing 140 mould bottom brick and existing 200 mould bottom brick
As shown in Table 2, novel 140 mould bottom brick large head external diameter D1 is smaller than the large head external diameter D1 of existing 140 mould bottom brick.Namely
It says, novel 140 mould bottom brick is that 7t, 9t, 18t ingot mould are dedicated using the later period.Later period mould is used for 7t, 9t, 18t ingot mould
Bottom outlet deformation is reduced, and the assembling scheme of scene mould bottom brick is that the major part part of 200 mould bottom bricks is knocked out to retain microcephaly part at present
It uses, it is 135mm that this, which illustrates that the small head external diameter of the novel 140 mould bottom brick brick small head external diameter that need to know the real situation with 200 types is consistent,.Newly
The outside taper of 140 mould bottom brick of type must cannot be greater than 140 types and know the real situation the outside taper of brick, and the outside with 200 mould bottom bricks
Taper is consistent, can just guarantee installation and enter.
Illustrate the assembly of novel 140 mould bottom brick by taking 9T ingot mould as an example: 9T ingot mold bottom outlet shape is inner narrow outer width
Horn mouth formula.Need to carry out ingot mould traverse before the assembly of mould bottom brick (even if the axis of ingot mould and ground keep flat
Row), operator assembles on the outside of ingot mold bottom using with the 140 of mould bottom outlet matched high mould bottom bricks at station, at this time
140 high mould bottom bricks be adapted with exterior feature in 9T ingot mold bottom outlet, there is no redundances outstanding for major part.Ingot mould uses
Process mould bottom outlet will receive a variety of cooling thermal impact effects of steel ingot molten steel, and ingot mold bottom outlet also suffers from machine from chassis withdrawal process
Tool action of pulling stress, ingot mould can be deformed contraction using multiple rear mold bottom outlet, at this moment operator can use novel
140 high mould bottom bricks carry out fit drawing die bottom outlet, and mould bottom brick outer ring need to wrap toilet paper when assembly.
In summary, 7t, 9t, 18t still use old 140 mould bottom of type large and medium-sized bet ingot mould early period when aperture is normal
Brick is gone into operation after shrinking using a period of time rear mold bottom outlet, and the mould bottom brick used should be novel 140 mould bottom brick.It is provided by the present application
New-type mould bottom brick is installed or replaces when in use all very convenient, greatly improves working efficiency.It is provided by the present application novel
Mould bottom brick is not necessarily to knock out redundance when in use, has good economic value.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (13)
1. a kind of New-type mould bottom brick, which is characterized in that the New-type mould bottom brick has first end face and second end face,
The first end face and the second end face are annular；It is equipped between the first end face and the second end face outer
Side, the lateral surface with ingot mold bottom outlet for matching；
It is equipped with through-hole along the New-type mould bottom brick axis, the through-hole passes through for molten steel and is finally injected into the ingot mould
It is interior.
2. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the annular outer diameter of the first end face is less than
The annular outer diameter of the second end face.
3. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the circular inside diameters of the first end face are greater than
The circular inside diameters of the second end face.
4. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the medial surface taper of the through-hole is 1/
56。
5. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the taper of the New-type mould bottom brick lateral surface
It is 1/20.
6. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the height of the New-type mould bottom brick is
140mm。
7. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the outer diameter of the first end face is 135mm.
8. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the outer diameter of the second end face is 150mm.
9. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the internal diameter of the first end face is 80mm.
10. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the internal diameter of the second end face is 75mm.
11. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the top of the through-hole and described first
End face intersection, bottom end is intersected with the second end face；
The lateral surface top of the New-type mould bottom brick is intersected with the first end face, and bottom end is intersected with the second end face.
12. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the ingot mould is 7t, 9t, 18t steel ingot
Any one in mould.
13. a kind of New-type mould bottom brick according to claim 1, which is characterized in that the first end face and the second end
The tolerance of the inner and outer annular diameter size in face is ± 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821037377.4U CN208437634U (en) | 2018-06-29 | 2018-06-29 | New-type mould bottom brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821037377.4U CN208437634U (en) | 2018-06-29 | 2018-06-29 | New-type mould bottom brick |
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| Publication Number | Publication Date |
|---|---|
| CN208437634U true CN208437634U (en) | 2019-01-29 |
Family
ID=65087537
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821037377.4U Active CN208437634U (en) | 2018-06-29 | 2018-06-29 | New-type mould bottom brick |
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| CN (1) | CN208437634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526420A (en) * | 2018-06-29 | 2018-09-14 | 大冶特殊钢股份有限公司 | New-type mould bottom brick |
-
2018
- 2018-06-29 CN CN201821037377.4U patent/CN208437634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526420A (en) * | 2018-06-29 | 2018-09-14 | 大冶特殊钢股份有限公司 | New-type mould bottom brick |
| CN108526420B (en) * | 2018-06-29 | 2024-08-09 | 大冶特殊钢有限公司 | Novel die bottom brick |
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Effective date of registration: 20200417 Address after: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee after: Daye Special Steel Co., Ltd Address before: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee before: DAYE SPECIAL STEEL Co.,Ltd. |