CN109014137A - It is a kind of continuously to cover the compound slab of material and its casting method - Google Patents
It is a kind of continuously to cover the compound slab of material and its casting method Download PDFInfo
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- CN109014137A CN109014137A CN201810915775.XA CN201810915775A CN109014137A CN 109014137 A CN109014137 A CN 109014137A CN 201810915775 A CN201810915775 A CN 201810915775A CN 109014137 A CN109014137 A CN 109014137A
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- 239000000463 material Substances 0.000 title claims abstract description 292
- 238000005266 casting Methods 0.000 title claims abstract description 94
- 150000001875 compounds Chemical class 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 117
- 229910052751 metal Inorganic materials 0.000 claims abstract description 102
- 239000002184 metal Substances 0.000 claims abstract description 102
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 239000002131 composite material Substances 0.000 claims abstract description 83
- 150000002739 metals Chemical class 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 80
- 229920006248 expandable polystyrene Polymers 0.000 claims description 64
- 244000035744 Hura crepitans Species 0.000 claims description 47
- 229910052742 iron Inorganic materials 0.000 claims description 40
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 32
- 239000010936 titanium Substances 0.000 claims description 32
- 229910052719 titanium Inorganic materials 0.000 claims description 32
- 239000010935 stainless steel Substances 0.000 claims description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims description 31
- 229910001018 Cast iron Inorganic materials 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 24
- 229920003023 plastic Polymers 0.000 claims description 24
- 239000004576 sand Substances 0.000 claims description 20
- 238000005253 cladding Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 239000011261 inert gas Substances 0.000 claims description 12
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 10
- 239000010962 carbon steel Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 239000006260 foam Substances 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 229910001338 liquidmetal Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 238000009750 centrifugal casting Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 235000008429 bread Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- -1 this is covered Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses one kind continuously to cover the compound slab of material, including covers material and substrate, and covering material is that single tubular metal covers material, substrate poured for substrate melt cast from cover material type chamber inside/outside it is concretionary, and collectively form single side and continuously cover the compound slab of material；It covers two tubular metals that material is the different equivalent diameters being nested together and covers material, substrate is that substrate melt pours and casts from concretionary in the annular chamber that two cover between material, and collectively forms and two-sided continuously covers the compound slab of material.Also disclose the casting method for continuously covering the compound slab of material.The present invention realizes the metallurgical bonding for covering material Yu substrate interface 100%, interface bond strength is high, stable product quality, reliable, can be used in rolling and continuously covers material clad steel plate, composite seamless pipe, Rolling compund round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel etc..Cast molding of casting method, process flow is short, low energy consumption, environmental-friendly, high production efficiency, with the substrate of compound any thickness and can cover material.
Description
Technical field
The present invention relates to composite material casting technology fields, more particularly to one kind continuously to cover the compound slab of material and its casting side
Method.
Background technique
Using carbon steel, steel alloy, stainless steel as substrate, compound other materials are covered material (plane materiel), substrate and cover material with smelting
The casting composite material that golden mode is combined into one has both the characteristic property and advantage for covering material material and substrate material, is a kind of
Cost performance height, economical and practical new energy-saving material, have very wide market and huge economic value.
Some compound cast materials, such as the patent of 106111947 A of Publication No. CN were had disclosed in the prior art
It discloses a kind of single side composite plate/compound casting and its production method, the patent of 106111947 A of Publication No. CN discloses
A kind of double-sided composite plate/compound casting and its production method, the single side composite plate and double-sided composite plate of above-mentioned two patent disclosure are equal
Belonging to composite board, the significant deficiency of composite board is to cover that material is discontinuous, the weak link that the discontinuous position of material is corrosion is covered,
Largely lose the application function and value of composite material.Composite board is also difficult to there are two types of material in practical applications
The outstanding difficulty of welding largely limits the application of metallic composite.And composite board cannot be used for rolling continuously
It covers the round steel of material, screw-thread steel, angle steel, channel steel, I-steel, H profile steel, multiple tube and continuously covers material steel plate etc..
Composite metal blank was also disclosed in the prior art, the patent of Publication No. CN 101323012A disclose it is a kind of from
The heart casts the production technology and equipments of composite metal blank, and stainless steel and carbon steel composite metal blank is prepared using centrifugal method,
Under the action of the centrifugal force, for outer layer liquid metal in centrifugal process, the impurity in liquid metal can be expressed to the interior of spun cast pipe
Surface causes compound interface impurity content high, if inert gas shielding is improper in centrifugal casting process, oxygen can occur for interface
Change, causes composite quality poor.
Summary of the invention
In order to solve the deficiency of existing casting composite metal blank, the present invention provides one kind and continuously covers material progress composite casting,
Produce compound slab and its casting method.Present invention application continuously cover material compound slab after pouring and can make to cover material with
Metallurgical bonding is realized at the interface of substrate 100%, and is continuously covered material and provided and realize better objective of metallurgical bonding with substrate
Condition, it is stable product quality, reliable so that interface bond strength is high, there is good application value., it may be possible to for rolling
System continuously covers material seamless pipe, continuously covers material strip, round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel etc..Casting method one
Secondary cast molding, process flow is short, low energy consumption, environmental-friendly, high production efficiency, with the substrate of compound any thickness and can cover
Material can be realized large-scale industrial production.
The present invention is achieved through the following technical solutions, and one aspect of the present invention provides one kind and continuously covers the compound slab of material,
Including covering material and substrate, the material that covers is that tubular metal covers material, and the substrate pours for substrate melt casts from the type chamber for covering material
Inside/outside is concretionary.
Currently preferred, the material that covers is that single tubular metal covers material, the substrate be substrate melt pour cast from it is described
The type chamber inside/outside for covering material is concretionary, and collectively forms single side and continuously cover the compound slab of material.
It is currently preferred, it is described to cover two tubular metals that material is the different equivalent diameters being nested together and cover material, it is described
Substrate is that substrate melt pours and casts from concretionary in the annular chamber that two cover between material, and collectively forms that two-sided continuously to cover material multiple
Alloying base.
Single side continuously cover the compound slab of material and it is two-sided continuously cover the compound slab of material cover material all and be continuous, overcome existing
Single side composite board and double-sided composite plate material cover the discontinuous defect of material, overcome composite board discontinuous position and be easy
The defect being corroded overcomes the composite board outstanding difficulty that two kinds of materials are difficult to solder in practical applications, has good
Application value；Single side of the invention continuously cover the compound slab of material and it is two-sided continuously cover the compound slab of material can be used in rolling include but
It is not limited to continuously cover material seamless pipe, continuously covers material strip, round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel, steel plate etc..
The present invention selects suitable substrate melt for carbon steel or alloy steel or stainless steel melt as needed；Thickness can appoint
Meaning selection；Suitable tubular metal is selected to cover the material of material, including but not limited to stainless steel tube, titanium tube, nickel tube, copper as needed
Pipe, aluminum pipe or compo pipe；Thickness can be with any thickness；Suitable tubular metal is selected to cover the shape of material as needed, including but
It is not limited to round tube, square tube, rectangular tube, polygonal tube；The shape of suitable compound slab is selected as needed, including but not limited to
Round billet, cast base, square billet, rectangular bloom, polygon base.
A kind of single side continuously covers the casting device of the compound slab of material, including sandbox, the composite casting mold type in sandbox,
Sand is filled between composite casting mold type and sandbox；The composite casting mold type includes the tubulose gold being supported in model base
Belong to covering material and being coated on tubular metal and cover that material is outer or the foamed polystyrene pattern of inside, is covered in tubular metal and coat foam on the inside of material
When plastic pattern, the thin-wall steel tube that housing monovalent is relatively large in diameter need to be covered in tubular metal；The foamed polystyrene pattern passes through iron
Water running channel is connect with molten iron sprue cup；Cover that material type is intracavitary or tubular metal covers between material and thin-wall steel tube in the tubular metal
The top of cavity is equipped with substrate sprue cup, and feed trumpet, the substrate sprue cup and tubulose gold are equipped in the substrate sprue cup
Category is covered by cover plate for sealing connection between material, and avoiding the sand in sandbox from leaking into, to cover material type intracavitary；It is full of into substrate sprue cup
Argon gas avoids high-temperature molten steel from aoxidizing, also for the castability for avoiding the sucking air guarantee substrate in casting process.
A kind of single side continuously covers the casting method of the compound slab of material, comprising the following steps:
1) outer surface of metal pipe coat foamed polystyrene pattern, or metal pipe internal surface coat foamed polystyrene pattern and
Single side is made in above two model surface swabbing, drying in the big thin-wall steel tube of the outer sheath monovalent diameter of metal tube
Composite billet model；
2) at least one single side is continuously covered into material composite casting mold type and is put into sandbox, fill sand, jolt ramming, the table on sandbox
Face plastic covering film, is vacuumized by the aspirating hole of sandbox；
3) molten iron of melting is first poured into foamed polystyrene pattern, molten iron replaces foamed polystyrene pattern to form cast iron, then
Substrate molten liquid pour cast from tubular metal cover material type is intracavitary or tubular metal is covered and formed in cavity between material and thin-wall steel tube
Substrate.
Currently preferred, a kind of single side continuously covers the casting method of the compound slab of material, covers the outer/inner table of material in tubular metal
The foamed polystyrene pattern at least two that bread covers does not contact with each other and tubular metal covers the profile-followed foam in the outer/inner surface of material
Plastics.After setting is to pour into molten iron in foamed polystyrene pattern in this way, conveniently sloughs tubular metal and cover the outer/inner surface of material
Cast iron.
Currently preferred, a kind of single side continuously covers the casting method of the compound slab of material, before casting, to substrate sprue cup
The interior inert gas that is full of sloughs tubular metal and covers the outer/inner surface cast iron of material after casting finishes slab cooling to be composite.Full of lazy
Property gas be also for avoiding sucking air in casting process, to guarantee to obtain more preferable ground in order to avoid high-temperature molten steel oxidation
Material castability.
A kind of two-sided casting device for continuously covering the compound slab of material, including sandbox, the composite billet model in sandbox,
Sand is filled between composite billet model and sandbox；The composite billet model includes the big equivalent diameter being supported in model base
Tubular metal cover material, cover the tubular metal that big equivalent diameter tubular metal covers the small equivalent diameter in material cover material, be coated on it is big
The tubular metal of equivalent diameter covers the foamed polystyrene pattern on the outside of material and is coated on the tubular metal of small equivalent diameter and covers in material
The foamed polystyrene pattern of side, the foamed polystyrene pattern are connect by molten iron running channel with molten iron sprue cup；It is straight in the big equivalent
The top that the tubular metal that the tubular metal of diameter covers material and small equivalent diameter covers the annular chamber between material is equipped with substrate sprue cup,
Be equipped with feed trumpet in the substrate sprue cup, the tubular metal of the substrate sprue cup and big equivalent diameter cover between material and with
The tubular metal of small equivalent diameter, which covers, to be connected between material by cover plate for sealing, and avoiding the sand in sandbox from leaking into, to cover material type intracavitary；
Into substrate sprue cup be full of argon gas, avoid high-temperature molten steel from aoxidizing, also for avoid in casting process suck air guarantee base
The castability of material.
A kind of two-sided casting method for continuously covering the compound slab of material, comprising the following steps:
1) two different tubular metals of the equivalent diameter size being nested together cover material；It is covered in big equivalent diameter tubular metal
Material outer surface coats foamed polystyrene pattern, covers material inner surface cladding foamed polystyrene pattern in small equivalent diameter tubular metal；
2) swabbing, drying on foamed polystyrene pattern, formation is two-sided continuously to cover material composite casting mold type；
3) by least one it is two-sided continuously cover material composite casting mold type and be put into sandbox, back-up sand, jolt ramming in sandbox, covering modeling
Expect film, is vacuumized by the aspirating hole of sandbox；
4) molten iron of melting is first poured into foamed polystyrene pattern, molten iron replaces foamed polystyrene pattern to form cast iron, then
Substrate molten liquid, which pours to cast from two tubular metals and cover in annular cavity between material, forms substrate.
It is currently preferred, a kind of two-sided casting method for continuously covering the compound slab of material, in the tubulose gold of big equivalent diameter
The foamed polystyrene pattern at least two that category covers material outer surface cladding does not contact with each other and big equivalent diameter tubular metal covers material
The profile-followed foamed plastics in outer surface.After setting is to pour into molten iron in foamed polystyrene pattern in this way, big equivalent is conveniently sloughed
The tubular metal of diameter covers the cast iron of material outer surface.
It is currently preferred, a kind of two-sided casting method for continuously covering the compound slab of material, in the tubulose gold of small equivalent diameter
Belong to cover it is that the foamed polystyrene pattern at least two of material inner surface cladding does not contact with each other, covered with the tubular metal of small equivalent diameter
The profile-followed foamed plastics of material inner surface.After setting is to pour into molten iron in foamed polystyrene pattern in this way, small work as conveniently is sloughed
The tubular metal of amount diameter covers the cast iron of material inner surface inner surface.
It is currently preferred, a kind of two-sided casting method for continuously covering the compound slab of material, before casting, to substrate sprue cup
The interior inert gas that is full of sloughs big equivalent diameter tubular metal and covers material outer surface cast iron after casting finishes slab cooling to be composite,
It sloughs small end face tubular metal and covers material inner surface cast iron.It is in order to avoid high-temperature molten steel oxidation, also for keeping away full of inert gas
Exempt to suck air in casting process, guarantees the castability of substrate.
The material compound slab produced by the invention that continuously covers is with following distinguishing feature:
1) continuously cover the compound slab of material is achieved that the metallurgical junction for covering material Yu substrate interface 100% to the present invention after pouring
It closing, interface bond strength is high, and it is stable product quality, reliable, there is good application value, it may be possible to continuously cover for rolling
Material seamless pipe continuously covers material strip, round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel, steel plate etc..
2) present invention continuously covers cast molding of casting method for the compound slab of material, and process flow is short, low energy consumption, environment
Close friend, with the substrate of compound any thickness and can cover material at high production efficiency, can be realized large-scale industrial production.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of embodiment 2；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the structural schematic diagram of embodiment 3；
Fig. 6 is the A-A cross-sectional view of Fig. 5；
In figure: 1, sandbox, 2, model base, 3, sand, 4, foamed polystyrene pattern, 5, stainless steel tube I, 6, cover board, 7, base
Material sprue cup, 8, feed trumpet, 9, exhaust tube, 10, molten steel, 11, molten iron sprue cup, 12, molten iron running channel, 13, argon gas, 14, stainless
Steel pipe II, 15, titanium tube I, 16, thin-wall steel tube, 17, titanium tube II.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As described in background technique, single side composite plate and double-sided composite plate belong to composite board, composite board
Significant deficiency be cover material cannot be continuous, cover the weak link that the discontinuous position of material is corrosion, largely lose multiple
The application value of condensation material.Also there are two types of the outstanding difficultys that material is difficult to solder in practical applications for composite board, largely
On limit the application of metallic composite.And composite board cannot be used for rolling continuously cover material seamless pipe, continuously cover material strip,
Round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel etc..
Based on the above issues, present invention firstly provides on the one hand provide it is a kind of continuously cover the compound slab of material, including cover material
And substrate, the material that covers is that tubular metal covers material, and the substrate pours for substrate melt casts from the type chamber inside/outside solidification for covering material
Made of.
The material that covers is that single tubular metal covers material, the substrate be substrate melt pour cast from the type for covering material it is intracavitary/
It is outer concretionary, and collectively form single side and continuously cover the compound slab of material.
Described to cover two tubular metals that material is the different equivalent diameters being nested together and cover material, the substrate is substrate melt
It pours and casts from concretionary in the annular chamber that two cover between material, and collectively form and two-sided continuously cover the compound slab of material.
Single side of the invention continuously cover the compound slab of material and it is two-sided continuously cover the compound slab of material overcome single side composite plate and
Double-sided composite plate drawbacks described above also overcomes the not high defect of centrifugal casting multiple tube interface quality, and can be used in rolling
System including but not limited to continuously cover material seamless pipe, continuously cover material strip, round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel,
Steel plate etc..
As described in background technique, stainless steel and carbon steel composite metal blank are prepared using centrifugal method,
Under centrifugal force effect, for outer layer liquid metal in centrifugal process, the impurity in liquid metal can be expressed to the interior table of spun cast pipe
Face causes the interface impurity content of multiple tube high, if inert gas shielding is improper in centrifugal casting process, interface can occur
Oxidation, causes composite quality poor.
Based on the above issues, the present invention again provides single side and continuously covers the compound slab of material and two-sided continuously cover material composite casting
The preparation method of base, single side continuously cover the casting method of the compound slab of material, comprising the following steps:
Outer surface of metal pipe coat foamed polystyrene pattern, or metal pipe internal surface coat foamed polystyrene pattern and
It is multiple that single side is made in above two model surface swabbing, drying in the big thin-wall steel tube of the outer sheath monovalent diameter of metal tube
Close mold type；At least one single side is continuously covered into material composite casting mold type and is put into sandbox, fills sand, jolt ramming, the table on sandbox
Face plastic covering film, is vacuumized by the aspirating hole of sandbox；The molten iron of melting is first poured into foamed polystyrene pattern, molten iron replaces
Foamed polystyrene pattern forms cast iron, then substrate molten liquid is poured cast from tubular metal cover material type is intracavitary or tubular metal
It covers and forms substrate between material and thin-wall steel tube in cavity.
The two-sided casting method for continuously covering the compound slab of material, comprising the following steps: the different tubulose gold of two equivalent diameters
Category covers material；Material outer surface cladding foamed polystyrene pattern is covered in the tubular metal of big equivalent diameter, in the tubulose gold of small equivalent diameter
Category covers material inner surface cladding foamed polystyrene pattern, and the small equivalent diameter tubular metal for coating foamed plastics covers material and is inserted in cladding foam
The big equivalent diameter tubular metal of plastics covers in the inner cavity of material；Swabbing, drying on foamed polystyrene pattern are formed two-sided continuous
Cover material composite casting mold type；By at least one it is two-sided continuously cover material composite casting mold type and be put into sandbox, back-up sand, vibration in sandbox
Real, plastic covering film is vacuumized by the aspirating hole of sandbox；The molten iron of melting is first poured into foamed polystyrene pattern, molten iron takes
Cast iron is formed for foamed polystyrene pattern, then substrate molten liquid is poured and casts from two tubular metals and covers shape in annular cavity between material
At substrate.
Single side continuously covers the compound slab of material and the two-sided compound slab of material that continuously covers is prepared using the method for direct pouring,
Method is simple, and a cast molding, process flow is short, low energy consumption；Environmental-friendly, high production efficiency, can be with compound any thickness
Substrate and cover material, can be realized large-scale industrial production.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
A kind of single side of embodiment 1, the present embodiment continuously covers the compound slab of material outside, including covers material and substrate, described to cover material
Material is covered for single tubular metal, the substrate is that substrate melt pours the body of casting for casting from and being formed in the lumen for covering material.Select base
Material melt is carbon steel；Select to cover material as stainless steel tube；Tubular metal is selected to cover material for round tube；Select compound slab for round billet.
Continuously covering the compound slab of material outside single side and covering material is continuously that the material that covers for overcoming single side composite board cannot be continuous
Defect overcomes the discontinuous position of composite board and is easy the defect being corroded, and overcomes composite board in practical applications two
The outstanding difficulty that kind material is difficult to solder to, has good application value；Single side of the invention continuously covers the compound slab of material can
Material seamless pipe, the continuous material that covers continuously are covered with steel plate, round steel, screw-thread steel, angle steel, channel steel, I-steel, H profile steel etc. for rolling.
Such as Fig. 1-2, the said goods are cast to realize, the present embodiment, which also provides, continuously covers the compound slab of material outside a kind of single side
Casting device, including sandbox 1, the composite casting mold type in sandbox 1, fill sand between composite casting mold type and sandbox 1
Son 3；The composite casting mold type includes the stainless steel tube I 5 being supported in model base 2 and is coated on the outside of stainless steel tube I 5
Foamed polystyrene pattern 4, the foamed polystyrene pattern 4 are connect by molten iron running channel 12 with molten iron sprue cup 11；In the stainless steel
The top of I 5 inner cavity of pipe is equipped with substrate sprue cup 7, and feed trumpet 8, the substrate sprue cup 7 are equipped in the substrate sprue cup 7
It is tightly connected between stainless steel tube I 5 by cover board 6, avoiding the sand in sandbox from leaking into, to cover material type intracavitary；To substrate sprue cup
It is interior to be full of argon gas, avoid high-temperature molten steel from aoxidizing, also for the castability for avoiding the sucking air guarantee substrate in casting process.
The said goods are cast to realize, the present embodiment also provides the casting side that the compound slab of material is continuously covered outside a kind of single side
Method, comprising the following steps:
1) tubular metal covers material outer surface cladding foamed polystyrene pattern, and swabbing, drying on model are made outside single side and connect
It is continuous to cover material composite casting mold type；
2) composite casting mold type is put into sandbox, sand, jolt ramming is filled in sandbox, plastic covering is thin in sandbox upper surface
Film is vacuumized by the aspirating hole of sandbox；
3) molten iron of melting is first poured into foamed polystyrene pattern by molten iron sprue cup, molten iron replaces foamed polystyrene pattern shape
At cast iron；
4) before casting, it is full of inert gas to substrate sprue cup, then substrate molten liquid is poured and casts from tubular metal and covers
Substrate is formed in the lumen of material to slough tubular metal after casting finishes slab cooling to be composite and cover material outer surface cast iron；Full of lazy
Property gas avoids high-temperature molten steel from aoxidizing when being to cast, and also for avoiding sucking air in casting process, guarantees substrate
Castability；
The pouring temperature of substrate is that 1550 DEG C of continuously cover the physical property of the compound slab product of material and are: compound blank outer surface
Continuous clad stainless steel material is corrosion-resistant, anti-oxidant, high temperature resistant, carbon steel base material intensity is higher than simple stainless steel, price is also cheap.
A kind of single side continuously covers the casting method of the compound slab of material outside, covers the foam plastic of material outer surface cladding in tubular metal
Material model at least two does not contact with each other and tubular metal covers the profile-followed foamed plastics in material outer surface.In this way setting be for
After pouring into molten iron in foamed polystyrene pattern, the cast iron that tubular metal covers material outer surface is conveniently sloughed.
Embodiment 2, one kind of the present embodiment is two-sided continuously to cover the compound slab of material, including covers material and substrate, and the material that covers is
Two tubular metals of the different equivalent diameters being nested together cover material, the substrate be substrate molten liquid pour cast from cover for two layers material it
Between annular chamber in formed slab.Select substrate melt for steel alloy molten liquid；Select big equivalent diameter covers material for titanium tube,
Select small equivalent diameter covers material for stainless steel tube；Tubular metal is selected to cover material for round tube；Select compound slab for cast base.
Such as Fig. 3-4, the said goods are cast to realize, the present embodiment also provides a kind of two-sided casting for continuously covering the compound slab of material
Device, including sandbox 1 are made, the composite billet model in sandbox 1 fills sand 3 between composite billet model and sandbox 1；Institute
Composite billet model is stated to include the titanium tube I 15 being supported in model base 2, the stainless steel tube II 14 covered in titanium tube I 15, be coated on
The foamed polystyrene pattern 4 in I 15 outside of titanium tube and the foamed polystyrene pattern 4 for being coated on II 14 inside of stainless steel tube, the foam
Plastic pattern 4 is connect by molten iron running channel 12 with molten iron sprue cup 11；Ring between the titanium tube I 15 and stainless steel tube II 14
The top of shape chamber is equipped with substrate sprue cup 7, and feed trumpet 8 is equipped in the substrate sprue cup 7, and the substrate sprue cup 7 passes through
The toroidal cavity that cover board 6 and titanium tube I 15 and stainless steel tube II 14 are formed is tightly connected, and is avoided the sand in sandbox from leaking into and is covered material type
It is intracavitary；Into substrate sprue cup be full of argon gas, avoid high-temperature molten steel from aoxidizing, also for avoid in casting process suck air protect
Demonstrate,prove the castability of substrate.
The said goods are cast to realize, the present embodiment also provides a kind of two-sided casting method for continuously covering the compound slab of material,
The following steps are included:
1) two different tubular metals of equivalent diameter size cover material, and it is titanium tube I that the tubular metal of big equivalent diameter, which covers material,
15, foamed polystyrene pattern is coated in I 15 outer surface of titanium tube；It is stainless steel tube II 14 that the tubular metal of small equivalent diameter, which covers material,
II 14 inner surface of stainless steel tube coats foamed polystyrene pattern, and the stainless steel tube for coating foamed plastics is inserted in the titanium of cladding foamed plastics
In the inner cavity of pipe I 15；
2) swabbing, drying on foamed polystyrene pattern, formation is two-sided continuously to cover material composite casting mold type；
3) composite casting mold type is put into sandbox, back-up sand, jolt ramming in sandbox, plastic covering film pass through the pumping of sandbox
Stomata vacuumizes；
4) molten iron of melting is first poured into foamed polystyrene pattern by molten iron sprue cup, molten iron replaces foamed polystyrene pattern shape
At cast iron；
5) cast before, into substrate sprue cup be full of inert gas, then steel alloy molten liquid is poured cast from titanium tube and
Substrate is formed in annular cavity between stainless steel tube；After casting finishes slab cooling to be composite, titanium tube outer surface cast iron is sloughed,
Slough stainless steel pipe inner surface cast iron.High-temperature molten steel is avoided to aoxidize when full of inert gas being to cast, also for avoiding
Air is sucked in casting process, guarantees the castability of substrate；The pouring temperature of substrate is that two-sided continuously to cover material compound by 1580 DEG C of
The physical property of slab product is: the inner surface of composite billet is continuous stainless steel, this is covered, and material is corrosion-resistant, anti-oxidant, high temperature resistant；
The continuous Titanium in the outer surface of composite billet, this covers material with excellent sea water corrosion resistant, and two cover the alloy carbon among material
Steel substrate intensity is high, inexpensive.
A kind of two-sided casting method for continuously covering the compound slab of material, covers material appearance bread in the tubular metal of big equivalent diameter
It is that the foamed polystyrene pattern at least two covered does not contact with each other, that material outer surface is covered with the tubular metal of big equivalent diameter is profile-followed
Foamed plastics.After setting is to pour into molten iron in foamed polystyrene pattern in this way, big equivalent diameter tubular metal is conveniently sloughed
Cover the cast iron of material outer surface.The foamed polystyrene pattern at least two of material inner surface cladding is covered in the tubular metal of small equivalent diameter
Tubular metal do not contact with each other and small equivalent diameter covers the profile-followed foamed plastics of material inner surface.In this way setting be in order to
After pouring into molten iron in foamed polystyrene pattern, the tubular metal for conveniently sloughing small end face covers the cast iron of material inner surface.
Embodiment 3 continuously covers the compound slab of material in a kind of single side of the present embodiment, including covers material and substrate, described to cover material
Material is covered for single tubular metal, and the substrate, which is poured to cast from by substrate molten liquid, described covers the outer surface of material and thin-wall steel tube is formed
The body of casting formed in toroidal cavity.Select substrate molten liquid for stainless steel, it is identical with substrate material thin for selecting thin-wall steel tube
Wall steel pipe；Select to cover material as titanium tube；Tubular metal is selected to cover material for round tube；Select compound slab for tubulose base.
Continuously covering the compound slab of material in single side and covering material is continuously that the material that covers for overcoming single side composite board cannot be continuous
Defect overcomes the discontinuous position of composite board and is easy the defect being corroded, and overcomes composite board in practical applications two
The outstanding difficulty that kind material is difficult to solder to, has good application value；The compound slab of material, energy are continuously covered in single side of the invention
Being enough in rolling internal layer is the seamless pipes that Titanium, outer layer are stainless steel.
Such as Fig. 5,6, the said goods are cast to realize, the present embodiment, which is also provided in a kind of single side, continuously covers the compound slab of material
Casting device, including sandbox 1, the composite casting mold type in sandbox 1, fill sand between composite casting mold type and sandbox 1
Son 3；The composite casting mold type includes the titanium tube II 17 being supported in model base 2 and the foam for being coated on II 17 inside of titanium tube
Plastic pattern 4, the foamed polystyrene pattern 4 are connect by molten iron running channel 12 with molten iron sprue cup 11；Outside the titanium tube II 17
It is cased with thin-wall steel tube 16, the top of cavity is equipped with substrate sprue cup 7 between titanium tube II 17 and thin-wall steel tube 16, in the substrate
It is equipped with feed trumpet 8 in sprue cup 7, passes through lid between the substrate sprue cup 7 and titanium tube II 17 and between thin-wall steel tube 16
Plate 6 is tightly connected, and avoiding the sand in sandbox from leaking into, to cover material type intracavitary；It is full of argon gas into substrate sprue cup, avoids high-temperature steel
Water oxygen, also for the castability for avoiding the sucking air guarantee substrate in casting process.
The said goods are cast to realize, the present embodiment also provides the casting side that the compound slab of material is continuously covered in a kind of single side
Method, comprising the following steps:
1) II 17 inner surface of titanium tube coats foamed polystyrene pattern, and swabbing, drying, are made in single side and continuously cover on model
Material composite casting mold type；
2) by composite casting mold jacket in the biggish thin-wall steel tube 16 of equivalent diameter, it is then placed in sandbox, is filled out in sandbox
Sand, jolt ramming are filled, in sandbox upper surface plastic covering film, is vacuumized by the aspirating hole of sandbox；
3) molten iron of melting is first poured into foamed polystyrene pattern by molten iron sprue cup, molten iron replaces foamed polystyrene pattern shape
At cast iron；
4) before casting, it is full of inert gas to substrate sprue cup, then stainless steel molten liquid is poured and casts from titanium tube II 17
Lumen outer surface and the formed toroidal cavity of thin-wall steel tube in formed substrate, cast finish slab cooling to be composite after, slough
II 17 inner surface cast iron of titanium tube；High-temperature molten steel is avoided to aoxidize when full of inert gas being to cast, also for avoiding casting
Air is sucked in the process, guarantees the castability of substrate；
Due to being thin-wall steel tube, when casting substrate melt, thin-wall steel tube can be completely melt by substrate；Why thin-walled
Steel pipe material is consistent with substrate material, it is therefore an objective to and after substrate melts away thin-wall steel tube, thin-wall steel tube is identical with substrate material,
Form a part of substrate.
The pouring temperature of substrate is that 1550 DEG C of continuously cover the physical property of the compound slab product of material and are: compound blank outer surface
It is stainless steel substrate, corrosion-resistant, anti-oxidant, high temperature resistant, composite billet inner surface is continuous Titanium, seawater corrosion resistance and chlorine-resistant
Ion etching is had excellent performance.
The casting method that the compound slab of material is continuously covered in a kind of single side, in the foam mould of II 17 inner surface of titanium tube cladding
Type at least two does not contact with each other and tubular metal covers the profile-followed foamed plastics of material inner surface.In this way setting be in order to
After pouring into molten iron in foamed polystyrene pattern, the cast iron that tubular metal covers material outer surface is conveniently sloughed.
Embodiment 4 continuously covers the compound slab of material outside a kind of single side, selects suitable substrate melt for alloy molten steel；Choosing
It selects and covers material for titanium tube；Suitable tubular metal is selected to cover material for round tube；Compound slab is selected to cover material round billet for titanium continuous outside single side.
Specific method step and casting die are with embodiment 1, and 1620 DEG C of the pouring temperature of substrate, it is round that single side continuously covers material outside
It is the seamless pipes that Titanium, internal layer are steel alloy that base, which can be rolled into outer layer, and inner alloy steel has high-strength and low-cost advantage,
Outer layer metal titanium has the characteristics that superior anti-seawater corrosion, can be used for submarine transport oil pipeline, and have marine atmosphere and sea
The occasion of aqueous corrosion.
Embodiment 5 continuously covers the compound slab of material outside a kind of single side, and selecting suitable substrate melt is carbon steel；Material is covered in selection
For nickel-based alloy pipe；Suitable tubular metal is selected to cover material for rectangular tube；Select compound slab for nickel-base alloy continuous outside single side
Cover material composite rectangular base.The outer surface that four end faces can be rolled is the steel plate of continuous nickel-base alloy.
Specific method step and casting die are with embodiment 1,1530 DEG C of the pouring temperature of substrate, continuously cover material square outside single side
Shape base, can be rolled into outer layer is the seamless pipes that metal nickel-base alloy, internal layer are carbon steel；The outer surface of four end faces can also be rolled
For the steel plate of continuous nickel-base alloy.Internal layer carbon steel has intensity height, advantage at low cost, and outer layer nickel-base alloy has high warm strong
The advantages of degree is high, high temperature oxidation resisting, high-temperature corrosion resistance, high temperature wear resistant can be used for boiler tube, shell plate, and need resistance to
The occasion that high-temperature oxydation, high-temperature corrosion resistance, high temperature resistant are denuded.
Certainly, above description is also not limited to the example above, technical characteristic of the present invention without description can by or
It is realized using the prior art, details are not described herein；Above embodiments and attached drawing are only used to illustrate the technical scheme of the present invention not
It is limitation of the present invention, is described the invention in detail referring to preferred embodiment, the ordinary skill people of this field
Member is it should be appreciated that variation, remodeling, the addition that those skilled in the art are made within the essential scope of the present invention
Or replacement also should belong to claims of the invention without departure from spirit of the invention.
Claims (10)
1. a kind of continuously cover the compound slab of material, it is characterised in that: including covering material and substrate, the material that covers is that tubular metal covers material,
The substrate is that substrate melt pours that cast from the type chamber inside/outside for covering material concretionary.
2. according to claim 1 continuously cover the compound slab of material, it is characterised in that: the material that covers is that single tubular metal covers
Material, the substrate are that substrate melt pours that cast from the type chamber inside/outside for covering material concretionary, and collectively forms single side and continuously cover
The compound slab of material.
3. according to claim 1 continuously cover the compound slab of material, it is characterised in that: the material that covers is the difference being nested together
Two tubular metals of equivalent diameter cover material, and the substrate is that substrate melt pours the interior solidification of annular chamber for casting from that two cover between material
Made of, and collectively form and two-sided continuously cover the compound slab of material.
4. a kind of the compound slab of material is continuously covered according to claim 1,2 or 3, it is characterised in that: the substrate melt is
Carbon steel or alloy steel or stainless steel melt；The material that the tubular metal covers material includes stainless steel tube, titanium tube, nickel tube, copper pipe, aluminium
Pipe or compo pipe.
5. the casting method that a kind of single side according to claim 1 or 2 continuously covers the compound slab of material, it is characterised in that: packet
Include following steps:
1) foamed polystyrene pattern is coated in outer surface of metal pipe, or in metal pipe internal surface cladding foamed polystyrene pattern and in gold
It is compound that single side is made in above two model surface swabbing, drying in the thin-wall steel tube that the outer sheath monovalent diameter of category pipe is big
Mold type；
2) single side is continuously at least covered into material composite casting mold type and is put into sandbox, filled sand, jolt ramming, vacuumize；
3) molten molten iron is first poured into foamed polystyrene pattern, molten iron replaces foamed polystyrene pattern to form cast iron, then substrate is melted
Liquid pour cast from tubular metal cover material type is intracavitary or tubular metal covers and forms substrate between material and thin-wall steel tube in cavity.
6. the casting method according to claim 5 for continuously covering the compound slab of material, it is characterised in that: cover material in tubular metal
It is that outer/inner surface coated foamed polystyrene pattern at least two does not contact with each other, that the outer/inner surface of material is covered with tubular metal is profile-followed
Foamed plastics.
7. the casting method according to claim 5 for continuously covering the compound slab of material, it is characterised in that: before casting, Xiang Ji
Inert gas is full of in material sprue cup, after the casting of substrate melt finishes slab cooling to be composite, sloughing tubular metal, to cover material outer/inner
Surface cast iron.
8. a kind of two-sided casting method for continuously covering the compound slab of material according to claim 1 or 3, it is characterised in that: packet
Include following steps:
1) two different tubular metals of the equivalent diameter size being nested together cover material；It is covered outside material in big equivalent diameter tubular metal
Surface coats foamed polystyrene pattern, covers material inner surface cladding foamed polystyrene pattern in small equivalent diameter tubular metal；
2) swabbing, drying on foamed polystyrene pattern, formation is two-sided continuously to cover material composite casting mold type；
3) at least by one it is two-sided continuously cover material composite casting mold type and be put into sandbox, back-up sand, jolt ramming, vacuumize in sandbox；
4) molten iron of melting is first poured into foamed polystyrene pattern, molten iron replaces foamed polystyrene pattern to form cast iron, then substrate
Molten liquid, which pours to cast from two tubular metals and cover in annular cavity between material, forms substrate.
9. the casting method according to claim 8 for continuously covering the compound slab of material, it is characterised in that: in big equivalent diameter pipe
The foamed polystyrene pattern at least two that shape metal covers material outer surface cladding does not contact with each other and big equivalent diameter tubular metal
Cover the profile-followed foamed plastics in material outer surface；The foamed polystyrene pattern of material inner surface cladding is covered at least in small equivalent diameter tubular metal
Do not contact with each other for two and small equivalent diameter tubular metal covers the profile-followed foamed plastics of material inner surface.
10. the casting method according to claim 8 for continuously covering the compound slab of material, it is characterised in that: before casting, Xiang Ji
It is full of inert gas in material sprue cup, after the casting of substrate melt finishes slab cooling to be composite, sloughs big equivalent diameter tubulose gold
Category covers material outer surface cast iron, sloughs small equivalent diameter tubular metal and covers material inner surface cast iron.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113059020A (en) * | 2021-04-01 | 2021-07-02 | 青岛力晨新材料科技有限公司 | Bimetal composite pipe and preparation method thereof |
| CN117324574A (en) * | 2023-10-25 | 2024-01-02 | 黄山众友耐磨材料有限公司 | Vacuum casting box and bimetal thermal composite casting technology based on same |
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Denomination of invention: A continuous clad composite casting billet and its casting method Effective date of registration: 20230609 Granted publication date: 20210105 Pledgee: Jinan Licheng sub branch of Qilu Bank Co.,Ltd. Pledgor: Shandong Tianming Heavy Industry Technology Co.,Ltd. Registration number: Y2023980043277 |
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