CN205614025U - Modular wide face copper that has a big chamfer of crystallizer - Google Patents
Modular wide face copper that has a big chamfer of crystallizer Download PDFInfo
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- CN205614025U CN205614025U CN201620361889.0U CN201620361889U CN205614025U CN 205614025 U CN205614025 U CN 205614025U CN 201620361889 U CN201620361889 U CN 201620361889U CN 205614025 U CN205614025 U CN 205614025U
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- copper coin
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- copper
- fourplatemold
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Abstract
The utility model belongs to metal solidification and continuous casting field, in particular to modular wide face copper that has a big chamfer of crystallizer. This width face copper sets up wide off -plate arc copper (1) and the wide face inner arc copper (2) that constitutes the crystallizer relatively to cooperate with first side copper (3) and second side copper (4) and constitute one two jiaos or the casting shape chamber of four corners for chamfer shape, wide face copper include the plane, respectively with first side copper (3) and second to the side of copper (4) contact surface and/or chamfer face (5) of contacting, wide face copper is two with the contact surface that first side copper (3) and second side copper (4) contacted respectively at least. The utility model discloses a production of copper angle seam simultaneously, when the composite mold that adopts the wide face copper that has big chamfer brings the continuous casting billet production of chamfer up, can be avoided to the accurate positioning of copper, is favorable to the cooling and the improvement in crystallizer copper life -span in crystallizer bight.
Description
Technical field
This utility model belongs to metal freezing and continuous casting field, particularly to the wide face copper coin with big chamfering of a kind of fourplatemold.
Background technology
Along with the development of world's metallurgical technology, modern continuous casting technology constantly improves, and steel grade of can casting constantly expands, and some high alloys, high-quality, high crack sensitivity steel grade are constantly produced in large iron and steel enterprise continuous casting production procedure.The especially development of big cross section strand continuous casting technology so that the compression ratio of steel increases, the product quality of steel improves.But the adverse effect that the increase of casting blank section brings is exactly: owing to strand needs bending, aligning in casting machine, thus can bring the increase of strand corner crack.Conticaster produces the most in recent years bloom and big rectangular bloom thickness have reached 350～more than 500mm especially, and owing to the inhomogeneous cooling in corner is even, the stress in bending, straightening process concentrates the increase that certainly will cause strand corner crack.
To this end, metallargist is except in addition to being optimized in terms of steel quality, two refrigeration techniques, the technical measures taked is exactly the crystallizer technology using band chamfering, and it makes the original each right angle of strand become two obtuse angles, to eliminate stress concentration.
In the prior art, the crystallizer technology using band chamfering is commonplace, but in the combination mould of four pieces of copper coin compositions, it is common that the narrow limit copper coin of combination mould is made the shape with big chamfering.Such as Chinese utility model patent CN201744629U, title " the narrow limit copper coin of a kind of continuous casting combination mould ", provide the narrow face copper plate of crystallizer of a kind of band side chamfering, the chamfer angle of its chamfer crystallizer feature is 30～45 degree, chamfer height 5～120mm, chamfering on the chamfering continuous casting billet i.e. produced by this Combined type chamfering crystallizer its wide is 120～135 degree, and the chamfer angle on wide is relatively small.This technology is suitable for cast square billet, rectangular bloom, slab.
But, in production application, bloom, big rectangular bloom are all to use curved mould to produce, if now chamfering to be placed on the narrow limit of combination mould, not only difficulty of processing is big, and it is difficult to ensure that the uniformity that copper coin corner, narrow limit cools down, in the case of curved mould, easily causes the generation of longitudinal corner crack defect.
Summary of the invention
The purpose of this utility model is to provide the wide face copper coin with big chamfering of a kind of fourplatemold, it is the chamfering work surface of crystallizer to be arranged on the copper coin of wide face, so it is easy to processing, and corner cooling is uniformly, can be prevented effectively from the generation of the longitudinal corner crack defect of strand.
To achieve these goals, this utility model provides following technical scheme:
This utility model provides the wide face copper coin with big chamfering of a kind of fourplatemold, this wide copper coin is oppositely arranged and constitutes wide outer arc copper coin 1 of crystallizer and wide inner arc copper coin 2, and the composition that matches with the first side copper coin 3 and the second side copper coin 4 has the casting shape chamber of two or four chamfering shape.
Described wide copper coin includes plane, the contact surface contacted respectively and/or fillet surface 5 with the first side copper coin 3 and the second side copper coin 4.
Contact surface at least two plane that described wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively or curved surface.
Described wide outer arc copper coin 1 and wide inner arc copper coin 2 all include fillet surface 5, or the widest inner arc copper coin 2 includes fillet surface 5.
The contact surface that described wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively is three planes or curved surface.
Described contact surface is the plane parallel with wide face copper coin or perpendicular plane, and two adjacent contact surfaces are mutually perpendicular to.
Described fillet surface 5 is connected with plane parallel or the perpendicular contact surface of wide face copper coin with one.
Length L is slab thickness 10%～the 30% of described fillet surface 5, the angle [alpha] of chamfering is 45～80 degree.
That described fillet surface 5 is shaped as plane and/or concave surface.
It is being provided with on the wide face copper coin of described fillet surface 5
At least one circular cooling water channel 8；And/or
At least one rectangle cooling water channel 9.
It is 120～650mm that described wide copper coin is suitable for the casting blank section thickness of casting, and width is the octagonal strand of 150～1000mm.
The crystallizer that described wide face copper coin is suitable for is camber or straight type.
Compared with prior art, the beneficial effects of the utility model are:
The big chamfering of combination mould is arranged on the interior outer arc copper coin in wide face by this utility model, its not only handling ease, and corner cooling is uniformly, can be prevented effectively from the generation of the longitudinal corner crack defect of strand.It addition, chamfering to be placed on the broadside of combination mould, the chamfer angle in the wide face of produced continuous casting billet can be strengthened, as 135～170 degree can be increased to, thus can be greatly improved the temperature at wide angle, face, be prevented effectively from the generation of strand transverse corner crack stricture of vagina.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wide face copper coin with big chamfering of a kind of fourplatemold of this utility model embodiment 1；
Fig. 2 is the structural representation of the wide face copper coin with big chamfering of a kind of fourplatemold of this utility model embodiment 2；
Fig. 3 is the structural representation of the wide face copper coin with big chamfering of a kind of fourplatemold of this utility model embodiment 3；
Fig. 4 is the structural representation of the wide face copper coin with big chamfering of a kind of fourplatemold of this utility model embodiment 4；
Fig. 5 a, 5b are that the fillet surface 5 of this utility model embodiment 5 is provided only on the structural representation on wide inner arc copper coin 2；
Fig. 6 a is the first corner type of cooling of this utility model big chamfering width face copper coin；
Fig. 6 b is the second corner type of cooling of this utility model big chamfering width face copper coin；
Fig. 6 c is the third corner type of cooling of this utility model big chamfering width face copper coin.
Reference therein is:
1 wide face outer arc copper coin
2 wide face inner arc copper coins
3 first side copper coins
4 second side copper coins
5 fillet surfaces
6,7 step contacted with side copper coin on the copper coin of wide face
66,77 step contacted with wide face copper coin on the copper coin of side
8 circular cooling water channels
9 rectangle cooling water channels
The length of L fillet surface 5
The angle of α chamfering
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
A kind of wide face copper coin of the big chamfering of fourplatemold band, this crystallizer is made up of wide outer arc copper coin 1 and four pieces of copper coins such as wide inner arc copper coin 2 and side copper coin 3 and 4, wherein: four pieces of copper coins form one two jiaos or casting shape chamber that corner is chamfering shape, i.e. fillet surface 5 can be arranged on wide outer arc copper coin 1 and wide inner arc copper coin 2, it is also possible to is provided only on wide inner arc copper coin 2.Big chamfering 5 is arranged on wide outer arc copper coin 1 and inner arc copper coin 2 (see Fig. 1), the contact surface of wide face inner arc or outer arc copper coin and side copper coin is both provided with one or more step (6 and 7, and corresponding 66 and 77), there is plural contact surface with wide the copper coin outer arc 1 of each corner portion or inner arc 2 ensureing copper plate of crystallizer with side copper coin 3 or 4, and realize being accurately positioned of copper coin.
Specifically, this utility model provides the wide face copper coin with big chamfering of a kind of fourplatemold, this wide copper coin is oppositely arranged and constitutes wide outer arc copper coin 1 of crystallizer and wide inner arc copper coin 2, and match with the first side copper coin 3 and the second side copper coin 4 composition one two jiaos or casting shape chamber that corner is chamfering shape.
Described wide copper coin includes plane, the contact surface contacted respectively and/or fillet surface 5 with the first side copper coin 3 and the second side copper coin 4；
Described wide outer arc copper coin 1 and wide inner arc copper coin 2 all include fillet surface 5, or the widest inner arc copper coin 2 includes fillet surface 5.
The contact surface at least two that described wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively, as shown in Figures 2 and 3, it is achieved being accurately positioned of copper coin.
Preferably, the contact surface that wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively is three, as shown in Figure 1 and Figure 4.
Described contact surface is the plane parallel with wide face copper coin or perpendicular face, and two adjacent contact surfaces are mutually perpendicular to.
One is connected with fillet surface 5 with the plane parallel of wide copper coin or perpendicular contact surface, is i.e. arranged on outside the fillet surface 5 on wide outer arc copper coin 1 and wide inner arc copper coin 2 with flat form, sees Fig. 1, Fig. 2；Or wedge angle form, is shown in Fig. 3, Fig. 4.
Length L is slab thickness 10%～the 30% of described fillet surface 5, it is preferable that length L is 32～150mm, the angle [alpha] of chamfering is 45～80 degree.
Described fillet surface 5 shape can be plane, concave surface and both combinations, or be not limited to other shape of above-mentioned shape.
It is being provided with on the wide face copper coin of described fillet surface 5
At least one circular cooling water channel 8；And/or
At least one rectangle cooling water channel 9.
As shown in Figure 6 a, on wide copper coin of described fillet surface 5, it is being provided with two circular cooling water channels 8.
As shown in Figure 6 b, on wide copper coin of described fillet surface 5, it is being provided with a rectangle cooling water channel 9.
As fig. 6 c, on wide copper coin of described fillet surface 5, it is being provided with a circular cooling water channel 8 and a rectangle cooling water channel 9.
It is 120～650mm that described wide copper coin is suitable for the casting blank section thickness of casting, and width is the octagonal strand of 150～1000mm.
The crystallizer that described wide face copper coin is suitable for can be camber, it is also possible to be straight type.
Embodiment 1
As shown in Figure 1, the contact surface that wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively is three, including contact surface and the contact surface of a plane being perpendicular to wide face copper coin of two planes being parallel to wide copper coin, two adjacent contact surfaces are mutually perpendicular to；Wherein, the contact surface being connected with fillet surface 5 is the contact surface of the plane parallel with wide face copper coin.
Embodiment 2
As shown in Figure 2, the contact surface that wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively is two, including contact surface and the contact surface of a plane being perpendicular to wide face copper coin of a plane being parallel to wide copper coin, two adjacent contact surfaces are mutually perpendicular to；Wherein, the contact surface being connected with fillet surface 5 is the contact surface of the plane parallel with wide face copper coin.
Above-described embodiment 1,2 is arranged on outside the fillet surface 5 on wide outer arc copper coin 1 and inner arc copper coin 2 with flat form.
Embodiment 3
As shown in Figure 3, the contact surface that wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively is two, including contact surface and the contact surface of a plane being perpendicular to wide face copper coin of a plane being parallel to wide copper coin, two adjacent contact surfaces are mutually perpendicular to；Wherein, the contact surface being connected with fillet surface 5 is the contact surface perpendicular with the plane of wide face copper coin.
Embodiment 4
As shown in Figure 4, the contact surface that wide copper coin contacts with the first side copper coin 3 and the second side copper coin 4 respectively is three, including contact surface and the contact surface of a plane being parallel to wide face copper coin of two planes being perpendicular to wide copper coin, two adjacent contact surfaces are mutually perpendicular to；Wherein, the contact surface being connected with fillet surface 5 is the contact surface perpendicular with the plane of wide face copper coin.
The fillet surface 5 that above-described embodiment 3,4 is arranged on wide outer arc copper coin 1 and inner arc copper coin 2 is without outside platform, for the form of wedge angle.
Embodiment 5
As shown in Fig. 5 a, 5b, fillet surface 5 can be provided only on wide inner arc copper coin 2, and wide outer arc copper coin 1 is not provided with fillet surface.
In above-described embodiment 5, the fillet surface 5 being arranged on wide inner arc copper coin 2 can be the form of platform outside band, it is also possible to be the form of wedge angle.
Claims (10)
1. the wide face copper coin with big chamfering of a fourplatemold, it is characterised in that: should
Wide face copper coin is oppositely arranged wide face outer arc copper coin (1) and the wide face inner arc copper coin constituting crystallizer
(2) composition that, and with the first side copper coin (3) and the second side copper coin (4) matches has
The casting shape chamber of two or four chamfering shape；
Described wide copper coin include plane, respectively with the first side copper coin (3) and the second side copper
Contact surface that plate (4) contacts and/or fillet surface (5)；
Described wide copper coin respectively with the first side copper coin (3) and the second side copper coin (4) phase
The contact surface at least two plane of contact or curved surface.
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: described wide face outer arc copper coin (1) and wide face inner arc copper coin (2) all include down
Edged surface (5), or the widest inner arc copper coin (2) include fillet surface (5).
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: described wide copper coin respectively with the first side copper coin (3) and the second side copper coin
(4) contact surface contacted is three planes or curved surface.
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: described contact surface is the plane parallel with wide face copper coin or perpendicular plane,
Two adjacent contact surfaces are mutually perpendicular to.
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: described fillet surface (5) with one with the plane parallel of wide face copper coin or hang down mutually
Straight contact surface is connected.
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: length L is slab thickness 10%～the 30% of described fillet surface (5), fall
The angle [alpha] at angle is 45～80 degree.
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: that described fillet surface (5) is shaped as plane and/or concave surface.
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: be provided with on the wide face copper coin of described fillet surface (5)
At least one circular cooling water channel (8)；And/or
At least one rectangle cooling water channel (9).
The wide face copper coin with big chamfering of fourplatemold the most according to claim 1,
It is characterized in that: it is 120～650mm that described wide copper coin is suitable for the casting blank section thickness of casting,
Width is the octagonal strand of 150～1000mm.
The wide face copper with big chamfering of fourplatemold the most according to claim 1
Plate, it is characterised in that: the crystallizer that described wide face copper coin is suitable for is camber or straight type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620361889.0U CN205614025U (en) | 2016-04-26 | 2016-04-26 | Modular wide face copper that has a big chamfer of crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620361889.0U CN205614025U (en) | 2016-04-26 | 2016-04-26 | Modular wide face copper that has a big chamfer of crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205614025U true CN205614025U (en) | 2016-10-05 |
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ID=57028429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620361889.0U Active CN205614025U (en) | 2016-04-26 | 2016-04-26 | Modular wide face copper that has a big chamfer of crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205614025U (en) |
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- 2016-04-26 CN CN201620361889.0U patent/CN205614025U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170112 Address after: 100081 Haidian District Institute of South Road, Beijing, No. 76 Patentee after: Zhongda Lianzhu Technology National Engineering Research Center Co., Ltd. Address before: 100081 Beijing city Haidian District sorghum Bridge Street No. 13 Patentee before: Iron &. Steel Research General Inst. Patentee before: Zhongda Lianzhu Technology National Engineering Research Center Co., Ltd. |