CN207592739U - A kind of device for preparing rich chromium cast iron base ceramic reinforced composite - Google Patents
A kind of device for preparing rich chromium cast iron base ceramic reinforced composite Download PDFInfo
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- CN207592739U CN207592739U CN201721540385.6U CN201721540385U CN207592739U CN 207592739 U CN207592739 U CN 207592739U CN 201721540385 U CN201721540385 U CN 201721540385U CN 207592739 U CN207592739 U CN 207592739U
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- Prior art keywords
- cooling wall
- cast iron
- chromium cast
- rich chromium
- reinforced composite
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- 239000000919 ceramic Substances 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 38
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 36
- 239000011651 chromium Substances 0.000 title claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000004576 sand Substances 0.000 claims abstract description 27
- 244000035744 Hura crepitans Species 0.000 claims abstract description 20
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000001727 in vivo Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000000227 grinding Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229930000044 secondary metabolite Natural products 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model is related to a kind of devices for preparing rich chromium cast iron base ceramic reinforced composite, belong to technical field of composite preparation.The present apparatus includes sandbox housing, sand body, shake table, driving device, cooling wall, U-typed running gate system, precast body fixing piece, shake table is arranged on the top of driving device, sandbox housing is fixedly installed on a vibration table, sand body is filled in sandbox housing, cooling wall is vertically arranged in sandbox housing and is embedded in sand body, cooling wall is provided with cooling water pipe, the water inlet of cooling water pipe is located at the bottom end of cooling wall, the water outlet of cooling water pipe is located at the top of cooling wall, U-typed running gate system is vertically arranged in sandbox housing and is embedded in sand body, the liquid castable entrance of U-typed running gate system and cooling wall heteropleural, precast body fixing piece is arranged on the upper and lower ends of precast body and is embedded in sand body.The utility model can improve the wear-resisting property and service life of rich chromium cast iron base ceramic reinforced composite, widen application range.
Description
Technical field
The utility model is related to a kind of devices for preparing rich chromium cast iron base ceramic reinforced composite, belong to composite material system
Standby technical field.
Background technology
With the development of the society, the fast development of scientific and technological level, traditional metal wear resistant material cannot meet the modern times
Requirement of the industry to its wear-resisting property.Novel wear-resistant material, which is taken advantage of a situation, to arise, since abrasion resistance material is excellent with its
Wear-resisting property, the traditional metal wear resistant material of substitution slowly.Wear resistance castings are mainly used for mine, electric power, cement, agriculture
Ye Deng departments, wear parts related application are concentrated mainly on the outer roller skin of vertical grinding roller machine, the mill in roller machine, in crusher
On the relevant devices such as plate hammer and transport pipeline in tup, crusher, traditional wear parts pair are set since its consumption is big
Standby and environment is created a great impression, and so as to influence people’s lives quality, this will slowly be dominated by market, will eventually be this
The shortcomings that a little tradition wear-resistant materials, is eliminated by technology innovation.Current wear-resistant metal material type common in the market is more numerous
More, type is also more complicated.Alloy cast iron, Hadfield steel and hard alloy etc. are common are, each wear-resistant material is all
There is its special application value, applicable cases are considered according to actual condition and value.But with the continuous development of technology, these materials
Expect slowly from traditional be changed into the new material of novel, alloying and diversification.Come by alloy cast iron development
A kind of advanced composite material (ACM)-wear-resistant ceramic metal-base composites innovated from structure have become current wear-resistant material
The hot spot of industry.The characteristics of ceramic on metal wearing composite material, is mainly high hard by metallic matrix obdurability and ceramic phase reinforcement
The characteristics of spending two kinds of materials of characteristic combines.This composite material largely improves the wear-resisting of entire composite material
Performance.
A kind of ceramic honeycomb-metallic composite grinding roller of vertical mill system is described in Chinese invention patent CN104439192A
Ceramic particle is mainly prepared into ceramics preparative body, wear-resisting insert is then combined into rich chromium cast iron, then to resistance to by Preparation Method
Mill insert carries out secondary compound again after being heat-treated, and finally obtains required grinding roller of vertical mill, shortcoming is wear-resisting insert
Matrix is rich chromium cast iron, and the carbide in metal structure is easily coarse, by heat pay no attention to cannot fine thinning microstructure, affect edge
The wear-resisting property of block reduces its service life；Chinese invention patent CN102179277A discloses a kind of medium-speed pulverizer pottery
Porcelain composite liner, mainly by by by the high-chromium alloy wear-resistant liner that forms of cast by binding agent would be embedded with oxide or
Person's nitride, boride ceramic rod bond, and composite plate and liner plate are combined together by the bolt on liner plate,
Shortcoming is complex process, and bolt easily fails, and causes safety accident；A kind of use is described in Chinese patent CN203620703U
In the metal matrix ceramic composites grinding roller of vertical mill, mainly by setting ceramic lining plate on roll body, ceramic lining plate it
Between by molten steel casting unite be integrated, major defect is that the coefficient of thermal expansion between ceramic lining plate and molten steel differs greatly,
The stress of the two junction is big, easily cracks source, and serious safety accident is easily caused in practical process.
Utility model content
The utility model for existing rich chromium cast iron base ceramic reinforced composite technology of preparing there are the problem of, provide one
Kind prepares the device of rich chromium cast iron base ceramic reinforced composite, and the present apparatus can control in interior tissue and the tissue of composite material
The direction of growth of object phase can improve the wear-resisting property and service life of rich chromium cast iron base ceramic reinforced composite, Er Qieneng
The range of its application is enough widened, whole process is simple for process, and production cost is low.
The utility model for solve its technical problem and the technical solution adopted is that：
A kind of device for preparing rich chromium cast iron base ceramic reinforced composite, including sandbox housing, sand body 1, shake table 4,
Driving device 5, cooling wall 2, U-typed running gate system 11, precast body fixing piece 10, shake table 4 are arranged on the top of driving device 5
End, sandbox housing are fixed on shake table 4, and sand body 1 is filled in sandbox housing, and cooling wall 2 is vertically arranged in sandbox shell
It in vivo and is embedded in sand body 1, cooling wall 2 is provided with cooling water pipe 3, and the water inlet of cooling water pipe 3 is located at the bottom of cooling wall 2
End, the water outlet of cooling water pipe 3 are located at the top of cooling wall, and U-typed running gate system 11 is vertically arranged in sandbox housing and buries
It is located in sand body 1, liquid castable entrance and 2 heteropleural of cooling wall of U-typed running gate system 11, precast body fixing piece 10 is arranged on pre-
It the upper and lower ends of body 9 processed and is embedded in sand body 1；
The driving device 5 is vibrating motor, and the height of precast body fixing piece 10 is 5 ~ 10mm；
The die joint 12 of the sand body 1 is horizontally set on the middle part of sand body 1.
Rich chromium cast iron base ceramic reinforced composite method is prepared using the device of the utility model, the specific steps are：
（1）Ceramic phase reinforcement is prepared into ceramics preparative body to be put into sand mold cavity close to the position of cooling wall；
（2）Rich chromium cast iron metal liquid is poured into a mould, compound with the progress of ceramics preparative body, after 1 ~ 5min of casting complete, setting is shaken
Dynamic power and time of vibration, Vibration on Start-up platform, while open the cooling water in cooling wall；
（3）After vibration, continue logical cooling water, treat that temperature is down to molten metal solidus and stops logical cooling water, it is laggard for 24 hours
Row mould turnover obtains workpiece basic unit body；
（4）Cell cube is pieced together by workpiece size, according still further to step（1）~（3）Process carry out it is secondary compound, obtain institute
Need workpiece.
The beneficial effects of the utility model：
（1）The utility model prepare the device of rich chromium cast iron base ceramic reinforced composite by running gate system and shake table and
Cooling system is combined together, and vibrational system can be shatter by metal liquid dendrite coarse in solidification and crystallization process, refinement
Crystal grain, while cooling system can accelerate the diffusion of working face direction heat, and the carbide come into being in tissue is made orientation life occur
It is long, it is also greatly improved in the wear-resisting property of the recombination region metallic matrix perpendicular to working face；
（2）The utility model prepares the device of rich chromium cast iron base ceramic reinforced composite by controlling in composite material
The direction of growth of object phase during portion organizes and organizes, can improve the wear-resisting property of rich chromium cast iron base ceramic reinforced composite and make
With the service life, and the range of its application can be widened, whole process is simple for process, and production cost is low.
Description of the drawings
Fig. 1 is the structure diagram for the device that embodiment prepares rich chromium cast iron base ceramic reinforced composite；
Fig. 2 is the device sectional view that embodiment prepares rich chromium cast iron base ceramic reinforced composite；
Fig. 3 is the internal structure chart of 2 rich chromium cast iron base ceramic reinforced composite of embodiment；
Fig. 4 is matrix figure of the 2 rich chromium cast iron base ceramic reinforced composite of embodiment perpendicular to cooling wall；
Fig. 5 is the matrix figure that 2 rich chromium cast iron base ceramic reinforced composite of embodiment is parallel to cooling wall；
Fig. 6 is 2 rich chromium cast iron base ceramic reinforced composite recombination region organization chart of embodiment；
In figure：1- sand bodies, 2- cooling walls, 3- cooling water pipes, 4- shake tables, 5- driving devices, 6- ground, 7- ceramics
Particle, 8- rich chromium cast iron matrixes, 9- precast bodies, 10- fixed iron pieces, 11- U-typed running gate systems, 12- die joints.
Specific embodiment
With reference to embodiment, the utility model is described in further detail.
Embodiment 1：As shown in Figure 1 and 2, a kind of device for preparing rich chromium cast iron base ceramic reinforced composite, including sandbox
Housing, sand body 1, shake table 4, driving device 5, cooling wall 2, U-typed running gate system 11, precast body fixing piece 10, shake table 4 are set
It puts on the top of driving device 5, sandbox housing is fixed on shake table 4, and sand body 1 is filled in sandbox housing, cooling wall 2
It is vertically arranged in sandbox housing and is embedded in sand body 1, cooling wall 2 is provided with cooling water pipe 3, the water inlet of cooling water pipe 3
Positioned at the bottom end of cooling wall 2, the water outlet of cooling water pipe 3 is located at the top of cooling wall, and U-typed running gate system 11 is vertically arranged in
It in sandbox housing and is embedded in sand body 1, liquid castable entrance and 2 heteropleural of cooling wall of U-typed running gate system 11, precast body is solid
Determine part 10 to be arranged on the upper and lower ends of precast body 9 and be embedded in sand body 1；
Driving device 5 is vibrating motor, and the height of precast body fixing piece 10 is 5cm；
The height of precast body fixing piece 10 can also be any number in the range of 5 ~ 10cm；
The die joint 12 of sand body 1 is horizontally set on the middle part of sand body 1；
In the same plane, driving device 5 is arranged in the groove on ground 6 for shake table 4 and ground 6 in the present embodiment.
Embodiment 2：Rich chromium cast iron base ceramic reinforced composite is prepared using the device of embodiment 1（Grinding roller of vertical mill）, pottery
Porcelain particle is alumina particle, crosses 12 mesh sieve, and rich chromium cast iron is hypereutectic high chromium cast iron, and gained tissue substance is mainly mutually C3M7 types
Carbide there are mainly two types of carbide is respectively primary carbide and eutectic carbide in tissue；
Rich chromium cast iron base ceramic reinforced composite method is prepared using the device of embodiment 1, the specific steps are：
（1）It ceramic phase reinforcement is prepared into ceramics preparative body is put into sand mold cavity and be spliced into close to the position of cooling wall
Long precast body, the wherein thickness of ceramics preparative body are 25mm, and the length of ceramics preparative body is 200mm；
（2）Under the conditions of temperature is 1500 DEG C, rich chromium cast iron metal liquid is poured into a mould, it is compound with the progress of ceramics preparative body, it pours
After note completes 5min, setting oscillation power is 500W, time of vibration 15min, amplitude 0.5mm, and Vibration on Start-up platform is opened simultaneously
Open the cooling water in cooling wall；
（3）After vibration, continue logical cooling water, treat that temperature is down to molten metal solidus and stops logical cooling water, it is laggard for 24 hours
Row mould turnover obtains grinding roller of vertical mill cell cube, as shown in figure 3, rich chromium cast iron matrix 8 pours into a mould the ceramic particle for being filled in precast body 9
In hole between 7；
（4）Grinding roller of vertical mill cell cube is pieced together by the diameter dimension of grinding roller, according still further to step（1）~（3）Process carry out two
It is secondary compound, obtain required workpiece（Rich chromium cast iron base ceramic reinforced composite grinding roller of vertical mill）；
Rich chromium cast iron base ceramic reinforced composite in the present embodiment（Grinding roller of vertical mill cell cube）Perpendicular to the base of cooling wall
Body tissue figure is as shown in figure 4, rich chromium cast iron base ceramic reinforced composite in the present embodiment（Grinding roller of vertical mill cell cube）It is parallel to
The matrix figure of cooling wall is as shown in figure 5, from Fig. 4 and Fig. 5 it is found that matrix has directionality, vertical cooling wall direction
Tissue it is thinner, have good mechanical property；Rich chromium cast iron base ceramic reinforced composite in the present embodiment（Grinding roller of vertical mill list
First body）Recombination region organization chart can improve compound very well as shown in fig. 6, it can be seen that matrix is very thin between particle
The wear-resisting property of material.
Specific embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.
Claims (2)
1. a kind of device for preparing rich chromium cast iron base ceramic reinforced composite, it is characterised in that：Including sandbox housing, sand body
（1）, shake table（4）, driving device（5）, cooling wall（2）, U-typed running gate system（11）, precast body fixing piece（10）, shake table
（4）It is arranged on driving device（5）Top, sandbox housing is fixed at shake table（4）On, sand body（1）It is filled in sandbox shell
In vivo, cooling wall（2）It is vertically arranged in sandbox housing and is embedded in sand body（1）It is interior, cooling wall（2）It is provided with cooling water pipe
（3）, cooling water pipe（3）Water inlet be located at cooling wall（2）Bottom end, cooling water pipe（3）Water outlet be located at the top of cooling wall
End, U-typed running gate system（11）It is vertically arranged in sandbox housing and is embedded in sand body（1）It is interior, U-typed running gate system（11）'s
Liquid castable entrance and cooling wall（2）Heteropleural, precast body fixing piece（10）It is arranged on precast body（9）Upper and lower ends and be embedded in
Sand body（1）It is interior.
2. the device of rich chromium cast iron base ceramic reinforced composite is prepared described in claim 1, it is characterised in that：Driving device
（5）For vibrating motor, precast body fixing piece（10）Height be 5 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540385.6U CN207592739U (en) | 2017-11-17 | 2017-11-17 | A kind of device for preparing rich chromium cast iron base ceramic reinforced composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540385.6U CN207592739U (en) | 2017-11-17 | 2017-11-17 | A kind of device for preparing rich chromium cast iron base ceramic reinforced composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207592739U true CN207592739U (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721540385.6U Expired - Fee Related CN207592739U (en) | 2017-11-17 | 2017-11-17 | A kind of device for preparing rich chromium cast iron base ceramic reinforced composite |
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| Country | Link |
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| CN (1) | CN207592739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523186A (en) * | 2021-07-19 | 2021-10-22 | 北京科技大学 | Casting mold and process |
-
2017
- 2017-11-17 CN CN201721540385.6U patent/CN207592739U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523186A (en) * | 2021-07-19 | 2021-10-22 | 北京科技大学 | Casting mold and process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |