CN108864777A - It is a kind of be used to form cylinder-barrel surface burr breed coating certainly - Google Patents
It is a kind of be used to form cylinder-barrel surface burr breed coating certainly Download PDFInfo
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- CN108864777A CN108864777A CN201810608109.1A CN201810608109A CN108864777A CN 108864777 A CN108864777 A CN 108864777A CN 201810608109 A CN201810608109 A CN 201810608109A CN 108864777 A CN108864777 A CN 108864777A
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- coating
- inovulant
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- breed
- form cylinder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, the weight percent of each raw material is：Modified montmorillonoid 35-50%, silica flour 10-15%, glass fibre 4-8%, cinder 3-7%, talcum powder 3-5%, inovulant 2.5-5%, potassium oxalate 0.5-1.2%, lecithin 1.5-4%, surplus are water；Formulation for coating material is simple, it is low in cost, manufacturing process is simple, inovulant intercalation is entered to the layer compartment of the modified montmorillonoid of activation, specific surface is reacted to increase inovulant and molten iron, improve reaction efficiency, after inovulant in coating is dissolved by molten iron, former inovulant particle position forms hole in coating, molten iron is filled rapidly, burr is formed after crystallisation by cooling on blank, the burr molding size that reaction is formed is more uniform, inovulant is added in the iron liquid of high temperature without elder generation, inovulant and iron liquid in coating can prepare the cast-in cylinder jacket for meeting industry requirement, safe operation.
Description
Technical field
The invention belongs to engine cast-in cylinder jacket production technical fields, and in particular to a kind of to breed coating certainly.
Background technique
Currently, improving automobile engine fuel efficiency since petroleum resources are in short supply and environmental pollution, having reduced exhaust emissions
Seem and becomes more and more important.The two components of automobile engine be piston and cylinder sleeve, wherein cylinder sleeve require its material have high temperature resistant,
The performances such as wear-resisting, pressure-resistant and light.The improvement of engine performance certainly will propose cylinder sleeve higher in terms of selection and processing
It is required that.Currently, there is the cylinder sleeve of engine that a kind of outer surface is in burr shape, the thermostabilization of the smooth cylinder sleeve of engine of specific surface
Property and firm installation degree are greatly improved, the outer surface of burr shape, are that molding is realized by coating, but existing skill
Coating in art haves the defects that formula is complicated, processing is expensive, so that the manufacturing cost of cylinder sleeve be greatly improved；Form hair
The first inovulant that is added in the iron liquid of high temperature is also needed to be bred when thorn, operation has certain risk.
Summary of the invention
The purpose of the present invention is to provide it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, formulation for coating material letter
It is single, low in cost, manufacturing process is simple.
The purpose of the present invention can be achieved through the following technical solutions：
It is a kind of be used to form cylinder-barrel surface burr breed coating certainly, the weight percent of each raw material is：Modified cover takes off
Native 35-50%, silica flour 10-15%, glass fibre 4-8%, cinder 3-7%, talcum powder 3-5%, inovulant 2.5-5%,
Potassium oxalate 0.5-1.2%, lecithin 1.5-4%, surplus are water.
Further, the inovulant is silicon barium calcium inovulant, silicon strontium inoculant or silicon titanate innoculant.
Further, the preparation method for breeding coating certainly is：
S1, it montmorillonite is added in ball mill grinds, add water to be modulated into the montmorillonite that concentration is 15-20% molten
The concentrated sulfuric acid solution of 45-50% is added in liquid while stirring, when the pH of clayish solution is 2.1-2.4, stops adding for the concentrated sulfuric acid
Enter, be washed to neutrality, dry, be put into Muffle furnace, calcine 5-8h at 600-800 DEG C, pulverizes and sieves up to the modification of activation
Montmorillonite；
S2, it inovulant and modified montmorillonoid is added in screw extruder melts, inovulant enters modified cover
The layer compartment of soil is taken off to get the montmorillonite for having arrived intercalation；
S3, the montmorillonite of intercalation, silica flour, glass fibre, cinder and talcum powder are added in ball mill and ground
It is milled broken, crosses 300 meshes, obtain mixed-powder；
S4, the water of mixed-powder group component is added in blender, after mixing evenly, while stirring be added potassium oxalate and
Lecithin continues to stir 60-100min to get coating emulsion has been arrived；
S5, coating emulsion is sealed, carries out ageing 15-20h and has obtained breeding coating certainly.
Further, the specific surface area of the modified montmorillonoid of activation described in step S1 is 1.35-1.55m2/ g, surface area are average
Partial size is 5.51-6.12um.
Further, melting temperature described in step S2 is 250-300 DEG C.
Further, Aging Temperature described in step S5 is 15-20 DEG C, humidity 55-65%.
Beneficial effects of the present invention：
Provided by the invention a kind of from coating is bred, formulation for coating material is simple, low in cost, manufacturing process is simple, will breed
Agent intercalation enters the layer compartment of the modified montmorillonoid of activation, so that increase inovulant and molten iron reacts specific surface, improves
Reaction efficiency, the burr of formation in molten iron compared with being added inovulant, after the inovulant in coating is dissolved by molten iron, former inovulant
Particle position forms hole in coating, and molten iron is filled rapidly, forms burr after crystallisation by cooling on blank, reacts the hair of formation
Thorn molding size is more uniform, inovulant is added in the iron liquid of high temperature without elder generation, the inovulant in coating can be prepared with iron liquid
Meet the cast-in cylinder jacket of industry requirement, safe operation out.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1
It is a kind of be used to form cylinder-barrel surface burr breed coating certainly, the weight of each raw material is：Modified montmorillonoid 40g,
Silica flour 12g, glass fibre 5g, cinder 3g, talcum powder 4g, silicon barium calcium inovulant 3g, potassium oxalate 0.6g, lecithin 2.4g,
Water 30g；
Certainly the preparation method for breeding coating is：
S1, it montmorillonite is added in ball mill grinds, water is added to be modulated into the montmorillonite solution that concentration is 15%, side
The concentrated sulfuric acid solution that side is added 45% is stirred, the pH for detecting clayish solution is 2.2, stops the addition of the concentrated sulfuric acid, is washed to neutrality,
Drying, is put into Muffle furnace, calcines 6h at 750 DEG C, pulverizes and sieves up to the modified montmorillonoid of activation；The modification of the activation
The specific surface area of montmorillonite is 1.45m2/ g, surface area average grain diameter are 5.68um；
S2, inovulant and modified montmorillonoid are added in screw extruder, are melted at 250 DEG C, inovulant is
Into modified montmorillonoid layer compartment to get the montmorillonite for having arrived intercalation；To increase the reaction specific surface of inovulant, improve
Reaction efficiency；
S3, the montmorillonite of intercalation, silica flour, glass fibre, cinder and talcum powder are added in ball mill and ground
It is milled broken, crosses 300 meshes, obtain mixed-powder；
S4, the water of mixed-powder group component is added in blender, after mixing evenly, while stirring be added potassium oxalate and
Lecithin continues to stir 80min to get coating emulsion has been arrived；
S5, coating emulsion is sealed, is 16 DEG C in temperature, humidity carries out ageing 16h and obtains in the environment of being 61%
From breeding coating.
The application of coating
The preparation process for breeding coating certainly for cast-in cylinder jacket being prepared in the present embodiment, including following step
Suddenly：Include the following steps：1. Smelting of iron is started to come out of the stove to 1600 DEG C, each composition by weight percent is as follows in iron liquid：Si:
25%, Mg:3%, Cr:2%, Co:1%, Sr:0.3%, C:0.3%, Mn:0.5%, Ca:0.7%, remaining is iron；2. being centrifuged
Casting：By configured from breeding in coating addition pressure coating tank, pressure is adjusted to 0.5MPa；Start centrifugal tube casting machine, turns
Speed is set as 1800r/min, and the temperature of mold is heated to 240 DEG C, and then coating jet pipe starts to spray to mould inner wall and prepare
Coating, the coating of sprinkling with a thickness of 0.6mm, coating is heated on mould inner wall, and the heated steam that generates of coating is applying rapidly
Uniform cavity is formed in material, then coating surface generates rupture, and gas overflowing dope layer finally forms cavity in dope layer；
The iron liquid that temperature is 1500-1600 DEG C is transferred in casting package, removing iron liquid surface scum can be poured into mold, iron liquid
It is injected into cavity under the action of the centrifugal force, the inovulant in coating reacts to form oxidizing slag with iron liquid, in hair after crystallisation by cooling
Burr is formed on base, for the burr of formation compared with inovulant is added in molten iron, the burr molding size that the present embodiment is formed is more equal
It is even.
Embodiment 2
It is a kind of be used to form cylinder-barrel surface burr breed coating certainly, the weight of each raw material is：Modified montmorillonoid 35g,
Silica flour 15g, glass fibre 8g, cinder 7g, talcum powder 5g, silicon strontium inoculant 5g, potassium oxalate 1g, lecithin 4g, water 10g；
Certainly the preparation method for breeding coating is：
S1, it montmorillonite is added in ball mill grinds, water is added to be modulated into the montmorillonite solution that concentration is 20%, side
The concentrated sulfuric acid solution that side is added 50% is stirred, the pH for detecting clayish solution is 2.4, stops the addition of the concentrated sulfuric acid, is washed to neutrality,
Drying, is put into Muffle furnace, calcines 8h at 600 DEG C, pulverizes and sieves up to the modified montmorillonoid of activation；The modification of the activation
The specific surface area of montmorillonite is 1.52m2/ g, surface area average grain diameter are 5.56um；
S2, inovulant and modified montmorillonoid are added in screw extruder, are melted at 300 DEG C, inovulant is
Into modified montmorillonoid layer compartment to get the montmorillonite for having arrived intercalation；To increase the reaction specific surface of inovulant, improve
Reaction efficiency；
S3, the montmorillonite of intercalation, silica flour, glass fibre, cinder and talcum powder are added in ball mill and ground
It is milled broken, crosses 300 meshes, obtain mixed-powder；
S4, the water of mixed-powder group component is added in blender, after mixing evenly, while stirring be added potassium oxalate and
Lecithin continues to stir 100min to get coating emulsion has been arrived；
S5, coating emulsion is sealed, is 15 DEG C in temperature, humidity carries out ageing 20h and obtains in the environment of being 65%
From breeding coating.
Embodiment 3
It is a kind of be used to form cylinder-barrel surface burr breed coating certainly, the weight of each raw material is：Modified montmorillonoid 50g,
Silica flour 10g, glass fibre 4g, cinder 3g, talcum powder 3g, silicon titanate innoculant 2.5g, potassium oxalate 0.5g, lecithin 1.5g,
Water 25.5g；
Certainly the preparation method for breeding coating is：
S1, it montmorillonite is added in ball mill grinds, water is added to be modulated into the montmorillonite solution that concentration is 15%, side
The concentrated sulfuric acid solution that side is added 45% is stirred, the pH for detecting clayish solution is 2.1, stops the addition of the concentrated sulfuric acid, is washed to neutrality,
Drying, is put into Muffle furnace, calcines 5h at 600 DEG C, pulverizes and sieves up to the modified montmorillonoid of activation；The modification of the activation
The specific surface area of montmorillonite is 1.41m2/ g, surface area average grain diameter are 6.11um；
S2, inovulant and modified montmorillonoid are added in screw extruder, are melted at 280 DEG C, inovulant is
Into modified montmorillonoid layer compartment to get the montmorillonite for having arrived intercalation；To increase the reaction specific surface of inovulant, improve
Reaction efficiency；
S3, the montmorillonite of intercalation, silica flour, glass fibre, cinder and talcum powder are added in ball mill and ground
It is milled broken, crosses 300 meshes, obtain mixed-powder；
S4, the water of mixed-powder group component is added in blender, after mixing evenly, while stirring be added potassium oxalate and
Lecithin continues to stir 100min to get coating emulsion has been arrived；
S5, coating emulsion is sealed, is 20 DEG C in temperature, humidity carries out ageing 15h and obtains in the environment of being 55%
From breeding coating.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (6)
1. it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, it is characterised in that：The weight percent of each raw material is：
Modified montmorillonoid 35-50%, silica flour 10-15%, glass fibre 4-8%, cinder 3-7%, talcum powder 3-5%, inovulant
2.5-5%, potassium oxalate 0.5-1.2%, lecithin 1.5-4%, surplus are water.
2. it is according to claim 1 it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, it is characterised in that：Institute
Stating inovulant is silicon barium calcium inovulant, silicon strontium inoculant or silicon titanate innoculant.
3. it is according to claim 1 it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, it is characterised in that：Institute
That states breeds the preparation method of coating certainly is：
S1, it montmorillonite is added in ball mill grinds, water is added to be modulated into the montmorillonite solution that concentration is 15-20%, side
The concentrated sulfuric acid solution that 45-50% is added in side is stirred, when the pH of clayish solution is 2.1-2.4, stops the addition of the concentrated sulfuric acid, washes
To neutrality, drying is put into Muffle furnace, calcines 5-8h at 600-800 DEG C, pulverizes and sieves up to the modified montmorillonoid of activation；
S2, it inovulant and modified montmorillonoid is added in screw extruder melts, inovulant enters modified montmorillonoid
Layer compartment to get the montmorillonite for having arrived intercalation；
S3, it the montmorillonite of intercalation, silica flour, glass fibre, cinder and talcum powder is added in ball mill carries out grounds travel
It is broken, 300 meshes are crossed, mixed-powder is obtained；
S4, the water of mixed-powder group component is added in blender, after mixing evenly, potassium oxalate and lecithin is added while stirring
Rouge continues to stir 60-100min to get coating emulsion has been arrived；
S5, coating emulsion is sealed, carries out ageing 15-20h and has obtained breeding coating certainly.
4. it is according to claim 3 it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, it is characterised in that：Step
The specific surface area of the modified montmorillonoid of activation described in rapid S1 is 1.35-1.55m2/ g, surface area average grain diameter are 5.51-
6.12um。
5. it is according to claim 3 it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, it is characterised in that：Step
Melting temperature described in rapid S2 is 250-300 DEG C.
6. it is according to claim 3 it is a kind of be used to form cylinder-barrel surface burr breed coating certainly, it is characterised in that：Step
Aging Temperature described in rapid S5 is 15-20 DEG C, humidity 55-65%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608109.1A CN108864777A (en) | 2018-06-13 | 2018-06-13 | It is a kind of be used to form cylinder-barrel surface burr breed coating certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608109.1A CN108864777A (en) | 2018-06-13 | 2018-06-13 | It is a kind of be used to form cylinder-barrel surface burr breed coating certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108864777A true CN108864777A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608109.1A Pending CN108864777A (en) | 2018-06-13 | 2018-06-13 | It is a kind of be used to form cylinder-barrel surface burr breed coating certainly |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384384A (en) * | 2006-01-17 | 2009-03-11 | 阿什兰德-南方化学-中坚有限公司 | Water-based liquid size containing a seeding agent |
| CN106280585A (en) * | 2016-08-10 | 2017-01-04 | 中原内配集团股份有限公司 | A kind of for painting feed liquid preparing needle prick shape cylinder jacket and preparation method thereof |
| CN106270370A (en) * | 2016-08-10 | 2017-01-04 | 中原内配集团股份有限公司 | A kind of needle prick shape cylinder jacket and preparation method thereof |
-
2018
- 2018-06-13 CN CN201810608109.1A patent/CN108864777A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384384A (en) * | 2006-01-17 | 2009-03-11 | 阿什兰德-南方化学-中坚有限公司 | Water-based liquid size containing a seeding agent |
| CN106280585A (en) * | 2016-08-10 | 2017-01-04 | 中原内配集团股份有限公司 | A kind of for painting feed liquid preparing needle prick shape cylinder jacket and preparation method thereof |
| CN106270370A (en) * | 2016-08-10 | 2017-01-04 | 中原内配集团股份有限公司 | A kind of needle prick shape cylinder jacket and preparation method thereof |
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Application publication date: 20181123 |
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