CN109434021B - A kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment - Google Patents
A kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment Download PDFInfo
- Publication number
- CN109434021B CN109434021B CN201811639275.4A CN201811639275A CN109434021B CN 109434021 B CN109434021 B CN 109434021B CN 201811639275 A CN201811639275 A CN 201811639275A CN 109434021 B CN109434021 B CN 109434021B
- Authority
- CN
- China
- Prior art keywords
- casting
- cooler
- molten steel
- forming cavity
- piecemeal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
Abstract
The invention discloses a kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment, belong to Casting Equipment technical field.This large-scale casting ingot piecemeal multilayer stacking casting method is by molten steel injection in the casting mold cavity of cooler, stacking is put into second cooler again when molten steel just covers cooler, and so on, layer-by-layer stacking, heavy castings may finally be used to quickly produce, improve production efficiency；Furthermore, it include casting mould and cooler the present invention also provides a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment, casting mould is equipped with forming cavity, cooler is placed in forming cavity, and the cross section profile of forming cavity is identical but its height is lower than the height of forming cavity for the cross section profile of cooler, cooler is identical as the material composition of the casting of required casting, after molten steel injection, molten steel fuses into one with entire cooler rapidly, it is quickly solidified by Quench, refines Solidification Microstructure of Castings, reduce component segregation, solid solubility is improved, the mechanical performance of casting is improved.
Description
Technical field
The invention belongs to Casting Equipment technical fields, specifically, being related to a kind of large-scale casting ingot piecemeal multilayer stacking casting
Make method and its equipment.
Background technique
Casting is that the mankind grasp than a kind of metal heat processing technique earlier, has history in about 6000.Casting technique
It also has a long history in China, and has reached quite high level.Casting refers to that solid metallic, which is molten into liquid, to fall
The casting mold for entering specific shape, the processing method to its solidification forming.Casting main processes includes: Metal Melting, model system
Make, casting solidification and demoulding cleaning etc..Had by ingot metal: copper, iron, aluminium, tin, lead etc., the material of common casting mold are roughing sand, stick
Soil, waterglass, resin and other auxiliary materials.
During steel plant produce all kinds of steel products, it is still current for being formed molten steel solidification using traditional die casting
The main method of casting, wherein sand casting is most commonly seen in die methods again.Sand casting is a kind of using sand as mainly
Modeling Material makes the conventional casting techniques of casting mold.The adaptability of sand casting is very wide, smallclothes, big part, simple pieces, Complex Parts,
Single-piece, high-volume all can be used.In addition, sand mold is higher than metal mold refractoriness, thus such as copper alloy and ferrous metal fusing point
Higher material also mostly uses this technique.But sand casting casts out the casting come and has defect more, setting rate is slow,
Organizational coarseness, casting quality is unstable, and mechanicalness is general, produces the disadvantages of small in batches.So in sand casting, control solidification
Process is the important channel developed new material and improve casting quality.The setting rate that molten steel is improved in casting process can make
Casting has many advantages, such as that solidified structure refinement, component segregation are reduced, solid solubility improves, and then casting is made to have high-intensitive, high-ductility
The excellent mechanical performances such as property.
The setting rate of molten steel is improved, obtained casting has thinning solidification structure, reduces component segregation and raising
The advantages that solid solubility, and then improve the mechanical performance of casting.Common die casting is in converter or obtained by external refining
Qualified molten steel be injected into the ingot mould or crystallizer of certain shapes or size into the casting equipments such as ladle and intermediate ladle are crossed
In, it is allowed to be frozen into steel ingot or steel billet.Often there is organizational coarseness, casting because setting rate is slow in this steel ingot or steel billet
Unstable quality, mechanicalness are general, cast the features such as low efficiency.For example, Chinese Patent Application No. are as follows: 201610428323.X,
Publication date are as follows: the patent document on the 31st of August in 2016 discloses a kind of adjustable annulus casting mould, which is in utilization
It is casting space that template, center pillar and cope plate, which are formed by type chamber, only adjust in the height of template control casting size, and
Setting rate of the molten steel in type chamber is improved without other effective measures, so to be easy to appear tissue thick for casting obtained
Big phenomenon causes mechanical performance general.
The technique that setting rate can be improved again in casting process can be carried out big castings production is relatively fewer.Come from present
It sees, is cast if carrying out quickly solidification, heavy castings cannot be produced.For example, Chinese Patent Application No. are as follows:
201610776030.0, publication date are as follows: the patent document on December 14th, 2016 discloses a kind of die casting machine, casting
One dry ice room of mold positioned beneath, after waiting molten steel to enter in mold, the indoor dry ice of dry ice volatilizees rapidly heat absorption, reduces mold
Bottom temp makes molten steel quick solidification.When just starting refrigeration, dry ice heat absorption capacity is big, and molten steel cooling velocity is too fast, when solidification
It shrinks, is easy to produce loose shrinkage cavity, dry ice limited amount, as the solidification part of molten steel is gradually increased, the refrigeration of dry ice is imitated
Fruit gradually decreases, and the ingredient and tissue of casting are more and more uneven, cannot produce larger-size casting；On the other hand, dry ice
With certain risk when being volatilized by instantaneous high-temperature.
Summary of the invention
1. to solve the problems, such as
For the prior art due in casting process solidification of molten steel speed it is slow caused by organizational coarseness, unstable quality,
The problems such as mechanicalness is general and batch production amount is smaller, the present invention provides a kind of castings of large-scale casting ingot piecemeal multilayer stacking
Equipment enables to the setting rate of molten steel to improve, and refines the solidified structure of casting, reduces component segregation, improves solid solubility,
Improve the mechanical performance of casting.In addition, can be used for the present invention also provides a kind of large-scale casting ingot piecemeal multilayer stacking casting method
Quickly production heavy castings improve production efficiency.
2. technical solution
To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
A kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment, including casting mould and cooler, the casting mould
It is equipped with forming cavity；The cooler is placed in forming cavity；Wherein, the section of the cross section profile of cooler and forming cavity is taken turns
Wide identical but its height is lower than the height of forming cavity；The material of the casting of the material composition of the cooler and required casting at
Split-phase is same.
As a further improvement, will be subsequent when molten steel will cover or cover the top of a upper cooler
Cooler stacking is arranged in forming cavity on a upper cooler.
As a further improvement, the casting mould includes interior sandbox, outer sandbox and pedestal；The interior sandbox and outer
Sandbox is cirque structure, wherein the radius of outer sandbox is greater than the radius of interior sandbox；The interior sandbox and outer sandbox are vertical
It is set on the base；The annulus that the forming cavity is constituted between interior sandbox, outer sandbox and pedestal three, the bottom
Seat is in the form of annular discs, and the radius of pedestal is greater than the radius of forming cavity.
As a further improvement, the cooler includes cooling frame and cooled partition；The cooling frame is annular
Skeleton structure；The cooled partition be it is multiple, be vertically fixed on cooling frame；The width of the cooled partition and molding
The equivalent width of chamber；Forming cavity on casting mould is divided into multiple zonules by the cooled partition, each zonule by
Cooled partition, interior sandbox and outer sandbox are surrounded.
As a further improvement, the cooling frame includes two annulus components and multiple pillars；Two annulus
Component is laid in parallel in vertical space；The upper and lower ends of the pillar are connect respectively with two annulus components to form a ring
The skeleton structure of shape；There are gaps between the adjacent struts；The cooled partition is plugged in gap；Wherein, cooling
The height of partition and the height of cooling frame are consistent.
As a further improvement, the annulus component includes outer ring body and inner ring body；The outer ring body and inner ring body
In same level and coaxial lay；The pillar is laid radially in pairs, is respectively used to realize in two annulus components
Outer ring body and outer ring body and inner ring body and inner ring body fixation.
As a further improvement, further including the casting device being laid in around casting mould；The casting device includes
Tundish, nozzle assembly and bracket；The nozzle assembly is described for the molten steel in tundish to be delivered in forming cavity
Bracket is used to support nozzle assembly.
As a further improvement, the nozzle assembly includes siphunculus and multiple outlet pipes；The siphunculus horizontal layout
Around casting mould；The bracket is arranged in pairs, and one end of bracket is respectively used to the both ends of fixed siphunculus, and the other end is solid
Determine on the ground；The tundish is located at the top of siphunculus；The tundish is infundibulate, and bottom is by setting logical
The water inlet of pipe upper side is connected to siphunculus；One end of the outlet pipe is connected to siphunculus, and it is straight that the other end tilts down extension
Water outlet to port is biased at outer sandbox close to above the forming cavity of casting mould；Wherein outlet pipe and zonule one are a pair of
It should lay.
A kind of large-scale casting ingot piecemeal multilayer stacking casting method is set using above-mentioned large-scale casting ingot piecemeal multilayer stacking casting
It is standby, it the steps include:
A. sand mold casting mold is assembled, cooled partition is injected in cooling frame and forms cooler；
B. a cooler is set in the forming cavity of casting mould, the type chamber of casting mould is divided by cooled partition
Multiple zonules；
C. the molten steel in tundish is after nozzle assembly and multiple outlet pipes, into zonule corresponding in forming cavity
It is interior；
D. the molten steel for flowing into each zonule fuses into one with cooler rapidly, while the molten steel by Quench also can be quick
Cooled and solidified, the molten steel with interior sandbox, outer sandbox and base contacts is also by Quench quick solidification, the molten steel in other adjacent regions
Also quick solidification in the same way.
A kind of large-scale casting ingot piecemeal multilayer stacking casting method, the steps include: will to cover when molten steel to be implanted or
When covering the top of a cooler, it is placed again into cooler in the type chamber of casting mould, repeat the above steps c and d,
Molten steel in the type chamber of casting mould continues with the solidification of faster setting rate, until obtaining the casting of required thickness.
3. beneficial effect
Compared with the prior art, the invention has the benefit that
(1) large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present invention, the casting of the material composition of cooler and required casting
The material composition of part is the same, and after molten steel injection, molten steel fuses into one with entire cooler rapidly, and is quickly solidified by Quench,
The ingot casting of generation will not introduce impurity, compared with prior art, improve the setting rate of molten steel, and casting is made to have solidified structure thin
The advantages that change, component segregation are reduced, solid solubility improves, and then make casting that there is the excellent mechanical performances such as high intensity, high tenacity.
Meanwhile it also overcoming in the prior art if the shortcomings that carrying out quick solidified cast, heavy castings cannot be produced；
(2) large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present invention, casting mould shape are the circular groove shapes at endless belt bottom,
Casting device is distributed in casting mould surrounding, and cooler is placed in casting mould type chamber, characteristics of compact layout, produces occupied space
It is small；Casting mould endless belt bottom circular groove shape, is easily separated into multiple casting areas, and adjacent casting area is few, in solidification of molten steel
Guarantee that cooled partition and casting mould institute received heat are less in the process, it is ensured that the molten steel cooling velocity of each zonule is fast；Casting
Mold uses sand casting, and height is adjustable at any time, can remove at any time after casting, the advantageous big casting taking out casting and completing
Part；
(3) large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present invention, cooler include cooling frame and cooled partition, contact
Area is big, and thermal diffusion is fast, and solidification of molten steel speed is fast；Casting mould type chamber is divided into multiple zonules by cooler, convenient for making to inject
The molten steel of each zonule quick solidification by Quench improves production efficiency；
(4) large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present invention, casting device can rapidly and uniformly flow molten steel
Enter into each zonule, be conducive in each zonule molten steel by Quench quick solidification, realize the purpose of individual cast,
Improve production efficiency；
(5) overall width of large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present invention, each cooling frame is less than casting die
The housing width of tool, two annulus components are evenly distributed in the type chamber of casting mould, are conducive to make up brought by Quench
Loose shrinkage cavity；The height of cooled partition is consistent with cooling frame, and the width of cooled partition is consistent with casting mould housing width, is convenient for
By molten steel subregion cooled and solidified；The whole height of cooler is smaller, can be in casting mould type chamber at a certain time interval
Continuous stacking is multiple, to guarantee that molten steel solidifies under certain faster speed always, can quickly produce biggish casting, improve life
Produce efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present invention；
Fig. 2 is the structural schematic diagram of casting device in the present invention；
Fig. 3 is the structural schematic diagram of casting mould in the present invention；
Fig. 4 is the structural schematic diagram of cooler in the present invention；
Fig. 5 is the structural schematic diagram of cooling frame in the present invention；
Fig. 6 is the structural schematic diagram of siphunculus in the present invention.
In figure: 100, casting device；110, tundish；120, nozzle assembly；121, water inlet；122, siphunculus；1221, even
Interface；1222, splitter cavity；1223, branching block；123, outlet pipe；130, bracket；200, casting mould；210, interior sandbox；220,
Outer sandbox；230, pedestal；300, cooler；310, cooling frame；311, annulus component；312, pillar；320, cooled partition.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment 1
Shown in as shown in Figure 1, Figure 3 and Figure 4, a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present embodiment is main to wrap
Casting device 100, casting mould 200 and cooler 300 are included, the casting of quick cast large scale is realized by the combination of three parts
The operation of part.The structure of each section is described in detail below.
Casting mould 200 is used as carrying platform, which is provided with forming cavity, and cooler 300 is placed in forming cavity, and arrangement is tight
It gathers, production occupies little space；Wherein, and the cross section profile of forming cavity is identical but its height is lower than for the cross section profile of cooler 300
The height of forming cavity, the material composition of cooler 300 are identical as the material composition of the casting of required casting.In use, molten steel is infused
After entering forming cavity, molten steel fuses into one with entire cooler 300 rapidly, and is quickly solidified by Quench, and the ingot casting of generation will not draw
Enter impurity, the molten steel contacted with interior sandbox 210, outer sandbox 220 and pedestal 230 is also by Quench quick solidification；It needs to illustrate
It is that the height of casting mould 200 is adjustable at any time, can be removed at any time after casting, the advantageous big casting for taking out casting and completing.It is cold
But the height of device 300 is less than forming cavity, is convenient for the multiple coolers 300 of stacking, achievees the purpose that layering casting, in use, in steel
The setting of subsequent 300 stacking of cooler is being formed when liquid will cover or cover the top of a cooler 300
On an intracavitary upper cooler 300；While solidifying molten steel quickly, the casting of required thickness can be also obtained, is overcome existing
Have in technology if to carry out quick solidified cast, cannot produce the defect of heavy castings, in the present embodiment, required casting
The element and corresponding content that material composition may include are as follows: C 0.03%~3%, Si 0.05%~5.0%, Mn 0.03%
~30%, Al 0.03%~12%, V 0.03%-2%, Mo 0.03%-5%, Cr 0.05%~10%, Cu 0.05%~
5%, S 0.01%~0.02%, Ni 0.03%~10%, P 0.03%~0.09%, Mg0.06~0.15%, remaining is
Fe；The material composition of cooler 300 is consistent with the material composition of required casting, and cooler 300 can be cast by above-mentioned material ingredient
Make, molten steel can be solidified with faster setting rate, and obtained cast structure is tiny, ingredient is uniform, have it is high-intensitive and
The excellent mechanical performance such as high tenacity.
As shown in figure 3, casting mould 200 is endless belt bottom circular groove shape comprising interior sandbox 210, outer sandbox 220 and pedestal
230, interior sandbox 210 and outer sandbox 220 are the cirque structure coaxially laid, wherein the internal diameter of outer sandbox 220 is greater than interior sandbox
210 outer diameter, interior sandbox 210 and outer sandbox 220 are vertically arranged on pedestal 230, and interior sandbox 210 is located at the interior of outer sandbox 220
Portion, the annulus that forming cavity is constituted between 230 three of interior sandbox 210, outer sandbox 220 and pedestal, forming cavity are used to place
Final casting is collectively formed in cooler 300 and injection molten steel；Interior sandbox 210 is consistent with the height of outer sandbox 220, and not by
Limitation, can cast out the casting of arbitrary height；Wherein, pedestal 230 is in the form of annular discs, and the radius of pedestal 230 is greater than forming cavity
Radius prevents the generation of bleed-out.As shown in figure 4, cooler 300 includes cooling frame 310 and cooled partition 320, cooling frame 310 is
The skeleton structure of annular；The cooled partition 320 be it is multiple, be vertically fixed on cooling frame 310, cooled partition 320
Forming cavity on casting mould 200 is divided into multiple zonules by the equivalent width of width and forming cavity, cooled partition 320, so that
Cooled partition 320 and the contact area of molten steel are big, and thermal diffusion is fast, and solidification of molten steel speed is fast；Each zonule is by cooled partition
320, interior sandbox 210 and outer sandbox 220 are surrounded.In the present embodiment, casting mould 200 be endless belt bottom circular groove shape, be easy every
From at multiple casting areas, and the cloth set direction of cooled partition 320 is consistent with the radial direction of casting mould 200, so that phase
Adjacent casting area is few, guarantees that cooled partition 320 and 200 received heats of casting mould are less during solidification of molten steel, it is ensured that every
The molten steel cooling velocity of a zonule is fast.
As shown in Figure 1, casting device 100 be it is multiple, it is uniformly distributed around casting mould 200 respectively, be conducive to molten steel
Quickly output improves production efficiency into the forming cavity of casting mould 200；As shown in Fig. 2, casting device 100 includes tundish
110, nozzle assembly 120 and bracket 130, for tundish 110 for accommodating molten steel, nozzle assembly 120 is used for will be in tundish 110
Molten steel is delivered in each zonule in forming cavity simultaneously, and molten steel is made evenly and rapidly to flow into the forming cavity of casting mould 200
In, be conducive in each zonule molten steel by Quench quick solidification, realize the purpose of individual cast, improve production efficiency；
Bracket 130 is used to support nozzle assembly 120, and then supports entire casting device 100.
Nozzle assembly 120 includes siphunculus 122 and multiple outlet pipes 123, and 122 horizontal layout of siphunculus is in casting mould 200
Around, bracket 130 is arranged in pairs, and bracket 130 can be a cylinder, and one end is respectively used to the both ends of fixed siphunculus 122, another
End fixes on the ground, and tundish 110 is located at the top of siphunculus 122, and tundish 110 is infundibulate, and upper opening can be
Polygon, such as hexagon；The bottom of tundish 110 passes through the water inlet 121 and siphunculus 122 that 122 upper side of siphunculus is arranged in
Connection, one end of outlet pipe 123 are connected to siphunculus 122, and the other end tilts down the close casting of water outlet extended up at port
It is biased at outer sandbox 220 above the forming cavity of modeling tool 200, it is cold convenient for being placed in the molding cavity of casting mould 200 at any time
But device 300；Wherein outlet pipe 123 and zonule, which correspond, lays.Cooled partition 320 in the present embodiment is 16,
The forming cavity of casting mould 200 is divided into 16 zonules, there are four casting devices 100, the mouth of a river in each casting device 100
The outlet pipe 123 of system 120 is four, and the water outlet size on each outlet pipe 123 is identical and equidistant sets between each other
It sets, and is corresponded with 16 zonules, flow into molten steel evenly and rapidly in the forming cavity of casting mould 200, be conducive to
In each zonule molten steel by Quench quick solidification, realize the purpose of individual cast, production efficiency improved, with the prior art
It compares, greatly improves the mechanical performance of casting.
It is worth noting that when the quantity of outlet pipe 123 is more, molten steel in siphunculus 122 there is no limit and freely into
Enter in each outlet pipe 123, the volume that will lead to the molten steel of zonule is inconsistent, the solidification of molten steel speed in each zonule
Also can be different, can have an adverse effect to the globality of entire casting.As shown in fig. 6, being connect on siphunculus 122 with outlet pipe 123
Position be connector 1221, splitter cavity 1222 and branching block 1223 are equipped with inside siphunculus 122, branching block 1223 is located at water inlet
Immediately below 121, top center is bilateral symmetry bulge-structure, the molten steel that tundish 110 enters can be passed through pipeline shunt
To being located in the splitter cavity 1222 of 1223 left and right sides of branching block, two connectors 1221 are located at 1222 bottom of splitter cavity,
So that the volume for flowing into the molten steel in each splitter cavity 1222 in outlet pipe 123 is relatively uniform, and then guarantee to flow into each
The volume of the molten steel of zonule is relatively uniform；Wherein the molten steel of the outflow of pipeline enters splitter cavity 1222 with vertically downward direction
Middle position, two connectors 1221 are identical at a distance from the middle position of splitter cavity 1222；In addition, in outlet pipe 123
The molten steel rate of outflow is different, and the solidification of molten steel speed also resulted in each zonule is inconsistent, to the globality of entire casting
Have an adverse effect, moreover, also will affect production efficiency；Therefore, the siphunculus 122 in the present embodiment is arc structure, so that often
A connector 1221 is identical as the distance between corresponding zonule, 123 equal length of outlet pipe, water outlet size it is identical and with
The distance between corresponding zonule is equal, so that the molten steel rate of outflow in outlet pipe 123 is relatively uniform, ensure that each small
Solidification of molten steel speed in region is consistent, improves the globality of casting, is also beneficial to improve production efficiency.
Embodiment 2
A kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment of the present embodiment, carries out in the structure basis of embodiment 1
It is further improved, as shown in Figure 4 and Figure 5, cooling frame 310 includes two annulus components 311 and multiple pillars 312, two annulus
Component 311 is laid in parallel in vertical space, and the upper and lower ends of pillar 312 are connect respectively with two annulus components 311 to be formed
The skeleton structure of one annular, there are gaps between adjacent struts 312, and 320 grafting of cooled partition is in the gap.
Annulus component 311 includes outer ring body and inner ring body, outer ring body and inner ring body is located in same level and coaxial cloth
If pillar 312 is laid radially in pairs, it is respectively used to realize outer ring body and outer ring body and inner ring in two annulus components 311
The fixation of body and inner ring body.In the present embodiment, the overall width of each cooling frame 310 is less than the forming cavity on casting mould 200
Body width, outer ring body and inner ring body on two annulus components 311 are evenly distributed in the forming cavity on casting mould 200, have
Conducive to making up loose shrinkage cavity brought by Quench；The height and cooling frame 310 of cooled partition 320 are consistent, convenient for next cold
But the stacking of device 300, the width of cooled partition 320 and the molding cavity equivalent width of casting mould 200, are convenient for molten steel subregion
Domain cooled and solidified；The whole height of cooler 300 is smaller, can be in the forming cavity of casting mould 200 at a certain time interval
Continuous stacking is multiple, to guarantee that molten steel solidifies under certain faster speed always, can quickly produce biggish casting, improve life
Produce efficiency.
In addition, casting mould 200 can be made of molding sand, for example, the interior sandbox 210 of casting mould 200, outer sandbox 220
All be molding sand made of being mixed in a certain ratio as materials such as silica sand, binder and water with pedestal 230, have certain intensity,
Gas permeability, fire resistance and deformability.
Embodiment 3
A kind of large-scale casting ingot piecemeal multilayer stacking casting method is more using the large-scale casting ingot piecemeal in embodiment 1
Layer heap pile Casting Equipment, here are that it is specifically described.
A kind of large-scale casting ingot piecemeal multilayer stacking casting method, the steps include:
A. sand mold casting mold 200 is assembled, cooled partition 320 is injected and forms cooler 300 in cooling frame 310；
B. a cooler 300 is placed in the forming cavity of casting mould 200, cooled partition 320 is by casting mould 200
Type chamber be divided into multiple zonules；
C. the molten steel in tundish 110 is dispersed into forming cavity after nozzle assembly 120 and multiple outlet pipes 123
In corresponding zonule；
D. the molten steel for flowing into each zonule fuses into one with cooler 300 rapidly, while the molten steel by Quench also can
It is quickly cooled down solidification, the molten steel contacted with interior sandbox 210, outer sandbox 220 and pedestal 230 is adjacent also by Quench quick solidification
The molten steel in other regions also quick solidification in the same way；
E. when molten steel to be implanted will cover or cover the top of a upper cooler 300, in casting mould
Be placed again into cooler 300 in 200 type chamber, repeat the above steps c and d, molten steel in the type chamber of casting mould 200 continue with
Faster setting rate solidification, until obtaining the casting of required thickness.
It can be seen that the large-scale casting ingot piecemeal multilayer stacking casting method is simple and convenient, the molten steel in forming cavity can be with
Faster setting rate solidification makes casting have many advantages, such as that solidified structure refinement, component segregation are reduced, solid solubility improves, in turn
Make casting that there is the excellent mechanical performances such as high intensity, high tenacity, in addition, passing through the technology of individual cast and multilayer stacking respectively
Means also can quickly produce biggish casting, improve while guaranteeing that molten steel solidifies under certain faster speed always
Production efficiency.
Example of the present invention is only that preferred embodiments of the present invention will be described, not to present inventive concept and
Range is defined, and under the premise of not departing from design philosophy of the present invention, this field engineers and technicians are to technology of the invention
The various changes and improvements that scheme is made should all fall into protection scope of the present invention.
Claims (8)
1. a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment, including casting mould (200), the casting mould (200)
It is equipped with forming cavity；It is characterized by also including cooler (300)；The cooler (300) is placed in forming cavity；Its
In, the cross section profile of cooler (300) is identical as the cross section profile of forming cavity but its height is lower than the height of forming cavity；Described
The material composition of cooler (300) is identical as the material composition of the casting of required casting；
The casting mould (200) includes interior sandbox (210), outer sandbox (220) and pedestal (230)；The interior sandbox
(210) and outer sandbox (220) is cirque structure, wherein the radius of outer sandbox (220) is greater than the radius of interior sandbox (210)；
The interior sandbox (210) and outer sandbox (220) is vertically arranged on pedestal (230)；The forming cavity is interior sandbox
(210), the annulus constituted between outer sandbox (220) and pedestal (230) three；The pedestal (230) is in the form of annular discs, bottom
The radius of seat (230) is greater than the radius of forming cavity；
The cooler (300) includes cooling frame (310) and cooled partition (320)；The cooling frame (310) is annular
Skeleton structure；The cooled partition (320) be it is multiple, be vertically fixed on cooling frame (310)；The cooled partition
(320) equivalent width of width and forming cavity；The cooled partition (320) divides the forming cavity on casting mould (200)
For multiple zonules, each zonule is surrounded by cooled partition (320), interior sandbox (210) and outer sandbox (220).
2. a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment according to claim 1, it is characterised in that: incited somebody to action in molten steel
The setting of subsequent cooler (300) stacking is being formed when covering or covering the top of a cooler (300)
On an intracavitary upper cooler (300).
3. a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment according to claim 1, it is characterised in that: described is cold
But frame (310) includes two annulus components (311) and multiple pillars (312)；Two annulus components (311) are vertical empty
Interior parallel laying；The upper and lower ends of the pillar (312) are connect respectively to form an annular with two annulus components (311)
Skeleton structure；There are gaps between the adjacent struts (312)；The cooled partition (320) is plugged in gap；Its
In, the height of cooled partition (320) is consistent with the height of cooling frame (310).
4. a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment according to claim 3, it is characterised in that: the circle
Ring assemblies (311) include outer ring body and inner ring body；The outer ring body and inner ring body is located in same level and coaxial laying；
The pillar (312) is laid radially in pairs, be respectively used to realize two annulus components (311) in outer ring body and outer ring body with
And the fixation of inner ring body and inner ring body.
5. a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment, feature described according to claim 1~any one of 4
It is: further includes the casting device (100) being laid in around casting mould (200)；The casting device (100) includes centre
Wrap (110), nozzle assembly (120) and bracket (130)；The nozzle assembly (120) is used for the molten steel in tundish (110)
It is delivered in forming cavity, the bracket (130) is used to support nozzle assembly (120).
6. a kind of large-scale casting ingot piecemeal multilayer stacking Casting Equipment according to claim 5, it is characterised in that: the water
Port system (120) includes siphunculus (122) and multiple outlet pipes (123)；Described siphunculus (122) horizontal layout is in casting mould
(200) around；The bracket (130) is arranged in pairs, and one end of bracket (130) is respectively used to the two of fixed siphunculus (122)
End, the other end fix on the ground；The tundish (110) is located at the top of siphunculus (122)；The tundish (110)
For infundibulate, water inlet (121) of the bottom by setting in siphunculus (122) upper side is connected to siphunculus (122)；Described goes out
One end of water pipe (123) is connected to siphunculus (122), and the other end, which tilts down, extends up to water outlet at port close to casting die
Have and is biased at outer sandbox (220) above the forming cavity of (200)；Wherein outlet pipe (123) and zonule, which correspond, lays.
7. a kind of large-scale casting ingot piecemeal multilayer stacking casting method, using large-scale casting ingot piecemeal multilayer heap described in claim 1
Pile Casting Equipment, the steps include:
A. casting mould (200) are assembled, cooled partition (320) is injected in cooling frame (310) and form cooler (300)；
B. a cooler (300) is set in the forming cavity of casting mould (200), cooled partition (320) is by casting mould
(200) type chamber is divided into multiple zonules；
C. the molten steel in tundish (110) is after nozzle assembly (120) and multiple outlet pipes (123), into right in forming cavity
In the zonule answered；
D. the molten steel for flowing into each zonule fuses into one with cooler (300) rapidly, while the molten steel by Quench also can be fast
Fast cooled and solidified, the molten steel contacted with interior sandbox (210), outer sandbox (220) and pedestal (230) also by Quench quick solidification,
The molten steel in other adjacent regions also quick solidification in the same way.
8. a kind of large-scale casting ingot piecemeal multilayer stacking casting method according to claim 7, it is characterised in that: when to be implanted
Molten steel when will cover or cover the top of a cooler (300), in the type chamber of casting mould (200) again
It is secondary to be put into cooler (300), step c and d are repeated, the molten steel in the type chamber of casting mould (200) continues to solidify speed faster
Degree solidification, until obtaining the casting of required thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811639275.4A CN109434021B (en) | 2018-12-29 | 2018-12-29 | A kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811639275.4A CN109434021B (en) | 2018-12-29 | 2018-12-29 | A kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434021A CN109434021A (en) | 2019-03-08 |
| CN109434021B true CN109434021B (en) | 2019-11-05 |
Family
ID=65540167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811639275.4A Active CN109434021B (en) | 2018-12-29 | 2018-12-29 | A kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434021B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203521B (en) * | 2020-01-09 | 2020-12-25 | 上海大学 | Annular ingot casting equipment and casting method thereof |
| CN112122551B (en) * | 2020-09-29 | 2022-04-22 | 广东金志利科技有限公司 | Casting method of shaft part |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04108688A (en) * | 1990-08-27 | 1992-04-09 | Honda Motor Co Ltd | Producing device for single crystal member |
| JP2004197982A (en) * | 2002-12-17 | 2004-07-15 | Toshiba Corp | Cooling device, and method for manufacturing thereof |
| CN101468390A (en) * | 2007-12-27 | 2009-07-01 | 财团法人金属工业研究发展中心 | Mold cooling apparatus |
| KR20140126684A (en) * | 2013-04-23 | 2014-10-31 | (주)지엔에스쏠리텍 | A mold having a flow channel |
| CN104385542A (en) * | 2014-10-31 | 2015-03-04 | 中国科学院广州能源研究所 | Cooling and temperature controlling system for molten object forming mold |
| CN105537568A (en) * | 2016-01-13 | 2016-05-04 | 成都佳美嘉科技有限公司 | Novel casting die cooling device |
| CN105798232B (en) * | 2016-03-29 | 2018-11-20 | 南通超达装备股份有限公司 | The mold and its casting method of disappearance die casting |
| CN107790687A (en) * | 2017-09-30 | 2018-03-13 | 屠雪丰 | A kind of metal die production technology for being easy to accelerate cooling and shaping |
-
2018
- 2018-12-29 CN CN201811639275.4A patent/CN109434021B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109434021A (en) | 2019-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104525880B (en) | A kind of manufacture method of large section round billet | |
| CN102380588B (en) | Intermediate-frequency induction and directional solidification ingot casting process and equipment utilizing same | |
| CN109434021B (en) | A kind of large-scale casting ingot piecemeal multilayer stacking casting method and its equipment | |
| CN104475693A (en) | Reduction casting compositing method and device for large iron ingots | |
| CN208019398U (en) | Counter-pressure casting pouring gate structure | |
| CN109663892B (en) | Progressive solidification forming device for large cast ingot or casting blank | |
| CN109732047A (en) | A kind of progressive coagulation forming method of large-scale steel ingot or steel billet | |
| CN205464198U (en) | Casting die | |
| CN209998302U (en) | large diesel engine piston casting sand mold structure | |
| CN108296468A (en) | A kind of pressure regulation supercharging casting machine fills the casting device and casting method of type High Pressure Solidification with low pressure | |
| CN108687314A (en) | A kind of electric arc melting droplet casting water cooling assembling die | |
| CN207971384U (en) | Wheel hub manufactures sand core | |
| CN204685985U (en) | A kind of gas lubricated crystallizer device for electromagnetic agitation | |
| CN204385267U (en) | A kind of induction stirring high-shear melt treatment and self-clearing device | |
| CN214684158U (en) | Parallel runner for improving production efficiency of castings | |
| CN211248213U (en) | Flywheel pouring device | |
| Lei et al. | Magma software simulation assisted optimization of the casting system of turbocharger castings | |
| CN108889915B (en) | Method for preparing ingot casting by layer pouring based on slag protection | |
| CN210996440U (en) | Inoculation split-flow casting system | |
| CN209157071U (en) | A kind of stud of variable thickness | |
| CN107716859B (en) | Co-tank casting device | |
| CN219211543U (en) | Device for controlling hardness of valve castings of medium-large tonnage excavator | |
| CN205684666U (en) | A kind of parison mold mould of precast | |
| CN217941796U (en) | Pouring gate system for steel ingot production and pouring | |
| CN205074504U (en) | Control by temperature change type metal founding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |