CN103706761A - Casting die of casting machine for alloy materials or non-metallic materials - Google Patents
Casting die of casting machine for alloy materials or non-metallic materials Download PDFInfo
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- CN103706761A CN103706761A CN201310704618.1A CN201310704618A CN103706761A CN 103706761 A CN103706761 A CN 103706761A CN 201310704618 A CN201310704618 A CN 201310704618A CN 103706761 A CN103706761 A CN 103706761A
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Abstract
The invention discloses a casting die of a casting machine for alloy materials or non-metallic materials. The casting die comprises a casting die body, wherein edges are formed at the periphery of the casting die; an overflow opening is formed in the edge on one side of the casting die; at least two rows of forming die cavities are formed in the casting die body; each row of forming die cavities is evenly divided into a plurality of forming die cavities by partition ribs; the height of the partition ribs is less than the height of the edges; upper openings of the forming die cavities are rectangular or square; longitudinal sections of the forming die cavities are arc-shapes surfaces. The alloy materials or the non-metallic materials cast by the casting die of the casting machine are in a structure with a round upper part and a square bottom after being cast and formed; the size of the bottom semi-diameter R is increased as much as possible; areas of stress concentration and strain concentration on the casting die are reduced; the generation degree of thermal fatigue damage of the casting die is relieved; meanwhile, demolding of formed blocks is facilitated.
Description
Technical field
The invention belongs to casting die, relate in particular to a kind of for the casting die on alloy material or nonmetallic materials casting machine.
Background technology
In the production process of alloy smelting molten iron or founding nonmetallic materials industry, casting machine equipment becomes the nonmetallic materials of iron block or founding to pour into lump material smelting the high temperature alloy molten iron continuous pouring.
And alloy iron block or the non-metallic material bulk of the pig mold castable that existing pig machine adopts are larger, monolithic appearance and size is about 250 * 180 * 95(mm), for alloy iron block, monolithic weight is about 17kg, and for non-metallic material bulk, monolithic weight is about 5kg.Pig mold die cavity is single or double, 2~4 of every rows.
But steel-making now has certain requirement to the size of iron alloy block and weight size, size range is at 30~100mm, and monolithic weight must not surpass 15kg.The pouring temperature of ferroalloy is at 1650 ℃ simultaneously, particularly the pouring temperature of some non-metallic materials reaches as high as 2200 ℃, adopt again the pig mold of the large scale inner chamber of former normal steel casting material cannot practical requirement, its reason is the bad mechanical property of the mould made of normal steel casting material, and heat crack resistance of its opposing high temperature is low.Thereby have a strong impact on its service life.
Summary of the invention
The present invention overcomes above-mentioned deficiency provides a kind of for alloy material or nonmetallic materials casting machine casting die, by improving existing mold material type selecting and the structural design of watering, solve the above-mentioned technical problem that existing pig mold of pig machine in use exists, for special material casting machine provides a kind of longevity, waters mold reliably, significantly improve the result of use of watering mold, improve production capacity and production efficiency, and increase the service life.
For achieving the above object, the present invention is by the following technical solutions:
A kind of for alloy material or nonmetallic materials casting machine casting die, comprise and water mold, be provided with outer watering mold surrounding, be provided with overfall watering on mold one side outer, two row's shaping mold cavities are at least set in watering mold, and every row's shaping mold cavity is evenly separated into several shaping mold cavities by muscle, and the height of muscle is lower than the height of outer, the suitable for reading of shaping mold cavity is rectangle or square, and longitudinal section is arcwall face.
Above-mentioned for alloy material or nonmetallic materials casting machine casting die, the thick P of described casting die wall is 40-60mm, and longitudinally outer wall circular arc R is 40-60mm.
Above-mentioned for alloy material or nonmetallic materials casting machine casting die, raw material by following mass percent is prepared from: Cr 0.35~1.20%, Mo 0.20~0.80%, all the other are cast steel material, and wherein in cast steel material, each material quality percentage is as follows: C 0.22~0.37%, and Si 0.20~0.90%, Mn 0.50~1.00%, P≤0.030%, S≤0.030%, all the other are iron.
Above-mentioned for alloy material or nonmetallic materials casting machine casting die, raw material by following mass percent is prepared from: Cr 0.35~1.20%, Ni 0.40~1.75%, and Mo 0.20~0.80%, and all the other are cast steel material, wherein in cast steel material, each material quality percentage is as follows: C 0.22~0.37%, Si 0.20~0.90%, and Mn 0.50~1.00%, P≤0.030%, S≤0.030%, all the other are iron.
The top of described muscle and the distance of watering between the top, outer of mold are about 5~10mm.
The product size that the present invention makes is: footpath * height=(60~100) * (SR25~45), top width * end * (35~80) mm.
Adopt technique scheme, the present invention has following advantage:
1, structure: be of a size of after the alloy material of being cast out by the present invention or nonmetallic materials castable: footpath * height=(60~100) * (SR25~45), top width * end * (35~80) mm, old name for the Arabian countries in the Middle East's ground circle.Increase as much as possible the size of bottom R, reduce and water mold upper stress and concentrate and the concentrated region of strain, slow down and water mold and occur that heat fatigue damages the degree occurring, the demoulding of the piece that is also conducive to be shaped simultaneously.
2, material: according to the pouring temperature requirement of taken up alloy material or nonmetallic materials, determine to adopt watering mold and cannot meeting its applying working condition of general cast steel, add as required the alloying elements such as a certain amount of Ni, Cr, Mo.By comparative analysis, alloying element add the mechanical performance that can promote cast steel, the heat crack resistance of its opposing high temperature is further improved simultaneously, the variations in temperature of watering in mold use procedure is controlled in rational scope, can effectively reduce the concentrated intensity of strain, thereby effectively slow down the Under Thermal Fatigue Damage that waters mold, meet the operating mode instructions for use of cast special material high temperature.
Accompanying drawing explanation
Fig. 1 is the top view of casting die of the present invention.
Fig. 2 is that the N-N of Fig. 1 is to cutaway view.
Fig. 3 is that the S-S of Fig. 2 is to cutaway view.
The specific embodiment
As shown in Figure 1, Figure 2 and Figure 3 a kind of for alloy material or nonmetallic materials casting machine casting die, comprise and water mold 1, be provided with outer 4 watering mold surrounding, be provided with overfall 5 watering on mold one side outer, two row's shaping mold cavities are at least set in watering mold, every row's shaping mold cavity is evenly separated into several shaping mold cavities 2 by muscle 3, and the height of muscle is lower than the height of outer, shaping mold cavity be old name for the Arabian countries in the Middle East the die cavity of circle.This die casting medium temperature is high; Shaping mold cavity requires less, and Qie Wei old name for the Arabian countries in the Middle East ground is round, and the suitable for reading of shaping mold cavity is rectangle or square, and longitudinal section is arcwall face; This waters mold and adopts a small amount of water cooling, too much water to cause that the iron block of moulding is cracked when the alloy material of pouring into a mould is cooling, reduces yield rate.When casting nonmetallic materials are cooling, avoiding by water cooling, is mainly that water may react with this mould material, becomes other physical form.Cast medium melting temperature is high, and pouring temperature reaches as high as 2200 ℃, and medium crust setting time is fast.The thick P of described casting die wall is 40-60mm, and the wall thickness P deviation of watering moldings formed therefrom chamber is ± 3mm, waters except the edge and muscle position of mold.Longitudinally outer wall circular arc R is 40-60mm.Casting die of the present invention is prepared from by the raw material of following mass percent: Cr 0.35~1.20%, Mo 0.20~0.80%, all the other are cast steel material, wherein in cast steel material, each material quality percentage is as follows: C 0.22~0.37%, Si 0.20~0.90%, and Mn 0.50~1.00%, P≤0.030%, S≤0.030%, all the other are iron.The material different according to casting, can also add Ni 0.40~1.75% inside.This material has good high temperature resistance and heat crack resistance, has avoided watering the too fast appearance crackle of mold, has improved the service life of watering mold.The product size that this mould is made is: footpath * height=(60~100) * (SR25~45), top width * end * (35~80) mm, old name for the Arabian countries in the Middle East's ground circle.On mold, be distributed as 2-4 row watering, every row is 6-16 piece.
Water mold and be separated into the impartial a plurality of shaping mold cavities 2 of size by muscle 3, for the material that keeps molten state, to watering, mold is excessive not to be gone out when the cast, designing muscle has difference in height e to be about 5~10mm with the outer of watering mold, the material of the molten state of cast first flow into from casting flow-injection groove stem bar the mold cavity L(that waters that waters mold and is commonly called as large die cavity) in, in watering mold cavity, flow into uniformly each shaping mold cavity again, all shaping mold cavities stream full after, the material of too much molten state flow into the next one and waters in mold by watering two overfalls of mold.
Embodiment 1:
The material of watering mold is in ZG270-500 cast steel, to add the chromium (Cr) of gross mass 1.00% and 0.30% molybdenum (Mo), forms the low-alloy steel of ZG35CrMo material, improves and waters the high-temperature behavior of mold and improve its creep resisting ability.In ZG270-500 cast steel, each material quality percentage is controlled as follows: C 0.30~0.37%, and Si 0.20~0.90%, and Mn 0.50~1.00%, P≤0.030%, and S≤0.030%, all the other are iron.Water the structure of mold, through temperature field simulation analysis, wall thickness dimension adopts 45mm, is designed to pattern top of chamber and is of a size of a * b, and bottom is spherical.Practical embodiments is to be designed to die cavity inside dimension according to the requirement of the size of alloy material shaping piece " top width * end footpath * height=80 * SR26 * 55mm, old name for the Arabian countries in the Middle East's ground circle ", the hemispherical dome structure that footpath, end SR is 25mm, and longitudinally outer wall circular arc R radius is 50.Watering the wall thickness P deviation of the forming cavity of mold waters except the edge and muscle position of mold for ± 3mm().Forming cavity is distributed as 2 rows watering on mold, and every row is 8.The variations in temperature of watering in mold use procedure can be controlled in rational scope, effectively reduce the concentrated intensity of strain, thereby can effectively slow down the Under Thermal Fatigue Damage that waters mold, realize the special cast working condition requirement of this kind of special material.
Embodiment 2:
The material of watering mold is the nickel (Ni) that adds gross mass 1.75% in ZG230-450,1.00% chromium (Cr) and 0.30% molybdenum (Mo), forms the low-alloy steel of ZG25NiCrMo material, improves casting fluidity, improves the intensity of steel and also improves its toughness; Improve and water the high-temperature behavior of mold and improve its creep resisting ability.In ZG230-450 cast steel, each material quality percentage is controlled as follows: C 0.22~0.30%, and Si 0.20~0.90%, and Mn 0.50~1.00%, P≤0.030%, and S≤0.030%, all the other are iron.
Water the structure of mold, through temperature field simulation analysis, wall thickness dimension adopts 55mm, is designed to pattern top of chamber and is of a size of a * b, and bottom is spherical.Practical embodiments is that the requirement of the size " top width * end footpath * height=80 * SR28 * 55mm, old name for the Arabian countries in the Middle East's ground circle " of nonmetallic materials shaping piece is designed to die cavity inside dimension, the hemispherical dome structure that footpath, end SR is 28mm, and longitudinally outer wall circular arc R radius is 55.Watering the wall thickness P deviation of the forming cavity of mold waters except the edge and muscle position of mold for ± 3mm().Forming cavity is distributed as 2 rows watering on mold, and every row is 8.The variations in temperature of watering in mold use procedure can be controlled in rational scope, effectively reduce the concentrated intensity of strain, thereby effectively slow down the Under Thermal Fatigue Damage that waters mold, realize the special cast working condition requirement of this kind of special material.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalence of therefore doing according to the present patent application the scope of the claims changes or is equal to alternative or obviously distortion, still belongs to protection scope of the present invention.
Claims (6)
1. one kind for alloy material or nonmetallic materials casting machine casting die, comprise and water mold (1), it is characterized in that: be provided with outer (4) watering mold surrounding, be provided with overfall (5) watering on mold one side outer, two row's shaping mold cavities are at least set in watering mold, and every row's shaping mold cavity is evenly separated into several shaping mold cavities (2) by muscle (3), and the height of muscle is lower than the height of outer, the suitable for reading of shaping mold cavity is rectangle or square, and longitudinal section is arcwall face.
2. according to claim 1 for alloy material or nonmetallic materials casting machine casting die, it is characterized in that: the thick P of described casting die wall is 40-60mm, longitudinally outer wall circular arc R is 40-60mm.
3. according to claim 1 for alloy material or nonmetallic materials casting machine casting die, it is characterized in that: the raw material by following mass percent is prepared from: Cr 0.35~1.20%, Mo 0.20~0.80%, all the other are cast steel material, and wherein in cast steel material, each material quality percentage is as follows: C 0.22~0.37%, and Si 0.20~0.90%, Mn 0.50~1.00%, P≤0.030%, S≤0.030%, all the other are iron.
4. according to claim 1 for alloy material or nonmetallic materials casting machine casting die, it is characterized in that: the raw material by following mass percent is prepared from: Cr 0.35~1.20%, Ni 0.40~1.75%, and Mo 0.20~0.80%, and all the other are cast steel material, wherein in cast steel material, each material quality percentage is as follows: C 0.22~0.37%, Si 0.20~0.90%, and Mn 0.50~1.00%, P≤0.030%, S≤0.030%, all the other are iron.
According to described in any one in claim 1-4 for alloy material or nonmetallic materials casting machine casting die, it is characterized in that: the top of muscle and the distance of watering between the top, outer of mold are about 5~10mm.
6. according to claim 5 for alloy material or nonmetallic materials casting machine casting die, it is characterized in that: the product size that this mould is made is: footpath * height=(60~100) * (SR25~45), top width * end * (35~80) mm.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105436438A (en) * | 2015-12-04 | 2016-03-30 | 重庆盛镁镁业有限公司 | Weight-adjusting aluminum ingot mold with inclined overflow flow passage |
CN105499524A (en) * | 2016-01-27 | 2016-04-20 | 沈阳恒泰鑫源精铸耐材有限公司 | Round steel casting method, casting steel mold and support device thereof |
CN110170623A (en) * | 2019-05-23 | 2019-08-27 | 龙南龙钇重稀土科技股份有限公司 | A kind of circle cast molding mold |
CN111349857A (en) * | 2020-04-08 | 2020-06-30 | 张志昌 | Novel alloy material for manufacturing copper-sulfur ladle and slag ladle |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105436438A (en) * | 2015-12-04 | 2016-03-30 | 重庆盛镁镁业有限公司 | Weight-adjusting aluminum ingot mold with inclined overflow flow passage |
CN105499524A (en) * | 2016-01-27 | 2016-04-20 | 沈阳恒泰鑫源精铸耐材有限公司 | Round steel casting method, casting steel mold and support device thereof |
CN108838350A (en) * | 2016-01-27 | 2018-11-20 | 中国航发北京航空材料研究院 | A kind of round steel cast dies holder device and its application |
CN110170623A (en) * | 2019-05-23 | 2019-08-27 | 龙南龙钇重稀土科技股份有限公司 | A kind of circle cast molding mold |
CN111349857A (en) * | 2020-04-08 | 2020-06-30 | 张志昌 | Novel alloy material for manufacturing copper-sulfur ladle and slag ladle |
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Application publication date: 20140409 |