CN204912687U - Novel rolling ingot mould - Google Patents
Novel rolling ingot mould Download PDFInfo
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- CN204912687U CN204912687U CN201520490720.0U CN201520490720U CN204912687U CN 204912687 U CN204912687 U CN 204912687U CN 201520490720 U CN201520490720 U CN 201520490720U CN 204912687 U CN204912687 U CN 204912687U
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- ingot
- mould
- ingot body
- mold cavity
- spindle body
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- 238000005096 rolling process Methods 0.000 title claims abstract description 33
- 230000000630 rising effect Effects 0.000 claims description 40
- 229910000831 Steel Inorganic materials 0.000 abstract description 29
- 239000010959 steel Substances 0.000 abstract description 29
- 238000011084 recovery Methods 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000011449 brick Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to an ingot mould preparation field specifically is a novel rolling ingot mould. Special steel factory extensively adopts square ingot mould preparation steel ingot, is used for rolling rod. The utility model discloses emit the components of a whole that can function independently setting from top to bottom of bush and spindle body mould, spindle body mould coordinates through spindle body mould location the boss annular groove that forms and the bush boss that emits that emits the bush bottom at top, emit bush inner chamber and spindle body mould inner chamber to communicate with each other, spindle body mould inner chamber bottom forms the steel ingot afterbody, and the spindle body mould inner chamber more than the steel ingot afterbody forms the vertical mouth of a river of offering in mouth of a river end mould wall center of spindle body, spindle body mould bottom, form the frustum shape chamber of spindle body mould inner chamber for having afterbody angle of inclination, big -end -up of steel ingot afterbody, form the frustum shape chamber of spindle body mould inner chamber for having spindle body angle of inclination, big -end -up of spindle body. The utility model discloses not only can solve the difficult problem of the drawing of patterns, the steel ingot of producing in addition is under the prerequisite of guaranteeing the internal soundness, and steel ingot itself still has higher lumber recovery.
Description
Technical field
The utility model relates to ingot mould preparation field, is specially a kind of novel rolling ingot mould.
Background technology
Special Steel Works extensively adopts square ingot mould to prepare steel ingot, is used for rolled bar material.What conventional square ingot mould major part adopted is overall mould, but adds adiabatic heat-insulation board mold place, is usually subject to larger stress, uses continuously, have a strong impact on Service Life of Ingot Mold.Another kind of square ingot mould design, then for overcoming overall moulding/demoulding difficulty, have employed and break platform design, but the lumber recovery of this design side of having a strong impact on ingot.For this reason, need a kind of novel square ingot mould, the problem of demoulding difficulty can be solved, higher stock utilization can be had again.
Utility model content
The purpose of this utility model is to provide a kind of novel rolling ingot mould, can not only solve the problem of demoulding difficulty, and the steel ingot produced is under the prerequisite ensureing internal soundness, and steel ingot itself also has higher lumber recovery.
The technical solution of the utility model is:
A kind of novel rolling ingot mould, this ingot mould comprises rising head mould, ingot body mould, and concrete structure is as follows:
Rising head mould and ingot body mould two-piece unit are arranged, and the annular groove that ingot body mould is formed by the ingot body mould positioning boss at top coordinates with the rising head mould boss bottom rising head mould; Rising head mold cavity communicates with ingot body mold cavity, forms ingot butt bottom ingot body mold cavity, and ingot body mold cavity more than ingot butt forms ingot body, and the mouth of a river is vertically offered in the end die wall center, the mouth of a river bottom ingot body mould; The ingot body mold cavity forming ingot butt is have afterbody inclination angle, up big and down small taper type chamber, and the ingot body mold cavity forming ingot body is have ingot body inclination angle, up big and down small taper type chamber.
Described novel rolling ingot mould, bottom ingot body mould, mouth of a river end die wall thickens, 50 ~ 100mm thicker in normal size.
Described novel rolling ingot mould, ingot body mould positioning boss medial surface and rising head mould contact position, be connected by inclined-plane.
Described novel rolling ingot mould, the inclination angle on inclined-plane is 120 ~ 135 degree.
Described novel rolling ingot mould, form the ingot body mold cavity place of ingot butt: the mould baseplane diameter >=Ф 200mm in ingot body mold cavity, adjacent inclined-plane and its angle afterbody inclination angle >=100 degree, described inclined-plane and the ingot body mould contact position on it are to described mould baseplane vertical range >=200mm.
Described novel rolling ingot mould, forms the ingot body mold cavity place of ingot body: ingot body inclination angle >=5 degree, in ingot height degree and figure between the cross section length of side D of afterbody the top Ratio control 2 ~ 2.5.
Described novel rolling ingot mould, rising head mold cavity loads heat insulating thermal preserving board.
Described novel rolling ingot mould, rising head mold cavity size 2 ~ 3mm less of ingot body mold cavity size.
Advantage of the present utility model and beneficial effect are:
Novel steel ingot mould designed by the utility model eliminates original ingot mould rising head root and breaks platform design, also eliminates conventional steel ingot mould Integral design, and change split design into, whole ingot mould is divided into: ingot body mould, rising head mould.Wherein: the side thickness of die that the mouth of a river end in ingot body mould places nozzle brick position increases, and increases by 50 ~ 100mm than general thickness, solution ingot mould does not adopt and breaks the difficult problem of the platform demoulding.After rising head mould then adopts and adds heat insulating thermal preserving board, its inner cavity size and the basically identical design of junction ingot body mold cavity size, solve the polishing of follow-up rising head root and measure excessive problem., also taken into full account in ingot body mould tapering, ingot tail size design, the design of this ingot shape can significantly improve steel ingot interior solid, also improves ingot material utilization rate meanwhile.
Accompanying drawing explanation
Fig. 1 is novel rolling ingot mould structural representation of the present utility model.
In figure, 1. rising head mould; 2. ingot body mould; 3. ingot butt; 4. heat insulating thermal preserving board; 5. ingot body mould positioning boss; 6. ingot body inclination angle; 7. afterbody inclination angle; 8. mouth of a river end die wall; 9. rising head mould boss; 10. the mouth of a river.
Detailed description of the invention
As shown in Figure 1, the utility model rolling ingot mould mainly comprises rising head mould 1, ingot body mould 2, ingot butt 3, heat insulating thermal preserving board 4, ingot body mould positioning boss 5, rising head mould boss 9 etc., and concrete structure is as follows:
Rising head mould 1 and ingot body mould 2 two-piece unit are arranged, and the annular groove that ingot body mould 2 is formed by the ingot body mould positioning boss 5 at top coordinates with the rising head mould boss 9 bottom rising head mould 1.Rising head mould 1 inner chamber communicates with ingot body mould 2 inner chamber, heat insulating thermal preserving board 4 is set inside rising head mould 1, ingot body mould 2 intracavity bottom forms ingot butt 3, and ingot body mould 2 inner chamber of ingot butt more than 3 forms ingot body, and the mouth of a river 10 is vertically offered at end die wall 8 center, the mouth of a river bottom ingot body mould 2.Ingot body mould 2 inner chamber forming ingot butt 3 is have afterbody inclination angle 7, up big and down small taper type chamber, and ingot body mould 2 inner chamber forming ingot body is have ingot body inclination angle 6, up big and down small taper type chamber.
As shown in Figure 1, novel rolling ingot mould method for designing of the present utility model, comprises the steps:
(1) novel rolling ingot mould adopts split pattern design, mainly comprises ingot body mould 2 and rising head mould 1, and split pattern, compared with overall mould, exists and emits port part mould stress under hot condition little, and die deformation, tearing tendency are little.
(2) the rising head end at ingot body mould 2 top eliminates and breaks platform design, and the mouth of a river end die wall 8 bottom ingot body mould 2 thickens.Although general rolling exists with square ingot split pattern break platform, make the demoulding rapid, follow-up polishing trouble, consuming time, and also in forging process there is crackle and be inclined in this place, affects lumber recovery.In order to solve this problem, bottom ingot body mould 2, mouth of a river end die wall 8 thickens, 50 ~ 100mm thicker in normal size, utilizes nozzle brick and cross gate place to form tension like this, is conducive to solidifying removing of rear steel ingot.
(3) in addition, also carried out anti-slag, design of increasing operation rate bottom ingot body mould 2, steel ingot shrinkage cavity is loose, raising steel ingot utilization rate comprehensive Design from alleviating for ingot body mould 2 tapering;
The ingot body mould 2 inner chamber place forming ingot butt 3 is designed to: the mould baseplane diameter in ingot body mould 2 inner chamber >=Ф 200mm (being generally 200 ~ 500mm), adjacent inclined-plane and its 7 >=100 degree, angle afterbody inclination angle (being generally 100 ~ 130 degree), >=200mm (being generally 200 ~ 500mm) is answered to described mould baseplane vertical range in described inclined-plane and ingot body mould 2 contact position on it, this design is become a useful person after not only making ingot butt 3 forge, and molten steel can also be made steadily to increase, avoid slag.
The ingot body mould 2 inner chamber place forming ingot body is designed to: 6 >=5 degree, ingot body inclination angle (being generally 5 ~ 15 degree), and in ingot height degree and figure, between the cross section length of side D of afterbody the top, ratio should control 2 ~ 2.5.This ingot body inclination angle 6 and choosing of ingot height degree design are not only conducive to the densification of steel ingot internal soundness, and steel ingot lumber recovery is also higher.
(4) after rising head mould 1 inner chamber loads heat insulating thermal preserving board 4, rising head mould 1 inner cavity size 2 ~ 3mm less of ingot body mould 2 inner cavity size.Owing to not breaking platform, inner cavity size is close, greatly reduces Steel ingot feeder head and ingot body junction cleaning amount, compared with overall mould, significantly improve steel ingot lumber recovery after the demoulding.In addition, this design makes extension rising head heat insulating thermal preserving board 4 more convenient.
(5) ingot body mould 2 and rising head mould 1 adopt quick position design, this Position Design is that ingot body mould 2 the top plane exists ingot body mould positioning boss 5, ingot body mould positioning boss 5 medial surface and rising head mould 1 contact position, be connected by inclined-plane, the inclination angle on inclined-plane is 120 ~ 135 degree, such design strong ingot body mould is engaged well with rising head mould, prevents junction molten steel bleed-out simultaneously, causes the accident.More than design, locate simple, easy for installation.
Below by embodiment, the utility model is described in further detail.
Embodiment 1
The square ingot of 3 tons of rollings of new design, mould base thickness degree 180mm, mould baseplane diameter Ф 200mm, adjacent inclined-plane and mould baseplane angle are 100 degree, inclined-plane and ingot body contact position are 200mm to mould baseplane vertical range, and ingot body mould tapering is 3%, and ingot is 120 degree along inclination angle, positioning boss inclined-plane with it, after rising head is linked into heat insulating thermal preserving board, its inner cavity size 3mm less of ingot body mold cavity size.After cast, Steel ingot feeder head and ingot body contact position are cleared up, through rolling, the average lumber recovery of steel ingot is 87%, more than original ingot shape 3 ~ 5%.
Embodiment 2
The square ingot of 5 tons of rollings of new design, mould base thickness degree 200mm, mould baseplane diameter Ф 300mm, adjacent inclined-plane and mould baseplane angle are 110 degree, inclined-plane and ingot body contact position are 250mm to mould baseplane vertical range, and ingot body mould tapering is 5%, and ingot is 130 degree along inclination angle, positioning boss inclined-plane with it, after rising head is linked into heat insulating thermal preserving board, its inner cavity size 2mm less of ingot body mold cavity size.After cast, Steel ingot feeder head and ingot body contact position are cleared up, through rolling, the average lumber recovery of steel ingot is 86%, more than original ingot shape 3 ~ 4%.
Embodiment 3
The square ingot of 8 tons of rollings of new design, mould base thickness degree 250mm, mould baseplane diameter Ф 350mm, adjacent inclined-plane and mould baseplane angle are 115 degree, inclined-plane and ingot body contact position are 300mm to mould baseplane vertical range, and ingot body mould tapering is 7%, and ingot is 135 degree along inclination angle, positioning boss inclined-plane with it, after rising head is linked into heat insulating thermal preserving board, its inner cavity size 1mm less of ingot body mold cavity size.After cast, Steel ingot feeder head and ingot body contact position are cleared up, through rolling, the average lumber recovery of steel ingot is 85%, more than original ingot shape 3 ~ 4%.
Claims (8)
1. a novel rolling ingot mould, is characterized in that, this ingot mould comprises rising head mould, ingot body mould, and concrete structure is as follows:
Rising head mould and ingot body mould two-piece unit are arranged, and the annular groove that ingot body mould is formed by the ingot body mould positioning boss at top coordinates with the rising head mould boss bottom rising head mould; Rising head mold cavity communicates with ingot body mold cavity, forms ingot butt bottom ingot body mold cavity, and ingot body mold cavity more than ingot butt forms ingot body, and the mouth of a river is vertically offered in the end die wall center, the mouth of a river bottom ingot body mould; The ingot body mold cavity forming ingot butt is have afterbody inclination angle, up big and down small taper type chamber, and the ingot body mold cavity forming ingot body is have ingot body inclination angle, up big and down small taper type chamber.
2. according to novel rolling ingot mould according to claim 1, it is characterized in that, bottom ingot body mould, mouth of a river end die wall thickens, 50 ~ 100mm thicker in normal size.
3. according to novel rolling ingot mould according to claim 1, it is characterized in that, ingot body mould positioning boss medial surface and rising head mould contact position, be connected by inclined-plane.
4. according to novel rolling ingot mould according to claim 3, it is characterized in that, the inclination angle on inclined-plane is 120 ~ 135 degree.
5. according to novel rolling ingot mould according to claim 1, it is characterized in that, form the ingot body mold cavity place of ingot butt: the mould baseplane diameter >=Ф 200mm in ingot body mold cavity, adjacent inclined-plane and its angle afterbody inclination angle >=100 degree, described inclined-plane and the ingot body mould contact position on it are to described mould baseplane vertical range >=200mm.
6. according to novel rolling ingot mould according to claim 1, it is characterized in that, form the ingot body mold cavity place of ingot body: ingot body inclination angle >=5 degree, in ingot height degree and figure between the cross section length of side D of afterbody the top Ratio control 2 ~ 2.5.
7. according to novel rolling ingot mould according to claim 1, it is characterized in that, rising head mold cavity loads heat insulating thermal preserving board.
8. according to novel rolling ingot mould according to claim 7, it is characterized in that, rising head mold cavity size 2 ~ 3mm less of ingot body mold cavity size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490720.0U CN204912687U (en) | 2015-07-08 | 2015-07-08 | Novel rolling ingot mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490720.0U CN204912687U (en) | 2015-07-08 | 2015-07-08 | Novel rolling ingot mould |
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| CN204912687U true CN204912687U (en) | 2015-12-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985144A (en) * | 2015-07-08 | 2015-10-21 | 中国科学院金属研究所 | Novel rolling ingot mold and design method thereof |
| CN109513887A (en) * | 2017-09-20 | 2019-03-26 | 中国科学院金属研究所 | A kind of processing method made suitable for the soft core forging of superhigh temperature with conventional ingot shape steel ingot |
-
2015
- 2015-07-08 CN CN201520490720.0U patent/CN204912687U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985144A (en) * | 2015-07-08 | 2015-10-21 | 中国科学院金属研究所 | Novel rolling ingot mold and design method thereof |
| CN104985144B (en) * | 2015-07-08 | 2017-03-01 | 中国科学院金属研究所 | A kind of new rolling ingot mould and its method for designing |
| CN109513887A (en) * | 2017-09-20 | 2019-03-26 | 中国科学院金属研究所 | A kind of processing method made suitable for the soft core forging of superhigh temperature with conventional ingot shape steel ingot |
| CN109513887B (en) * | 2017-09-20 | 2020-10-16 | 中国科学院金属研究所 | Treatment method suitable for conventional ingot type steel ingot for ultrahigh-temperature soft core forging |
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