CN107191472B - A kind of agricultural machinery high-strength wearable idler wheel - Google Patents
A kind of agricultural machinery high-strength wearable idler wheel Download PDFInfo
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- CN107191472B CN107191472B CN201710349544.2A CN201710349544A CN107191472B CN 107191472 B CN107191472 B CN 107191472B CN 201710349544 A CN201710349544 A CN 201710349544A CN 107191472 B CN107191472 B CN 107191472B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00525—Coating or impregnation materials for metallic surfaces
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/02—Mechanical properties
- F16C2202/04—Hardness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
- F16C2300/42—Application independent of particular apparatuses related to environment, i.e. operating conditions corrosive, i.e. with aggressive media or harsh conditions
Abstract
The invention proposes a kind of agricultural machinery high-strength wearable idler wheels, it is followed successively by wheel body, strengthening layer and protective layer from inside to outside, the wheel body is the alloy cast iron using sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-epoxy resin composite coating, wherein strengthening layer is with a thickness of 68-75 μm, overcoat thickness is 0.18-0.24mm, product produced by the present invention has good wear-and corrosion-resistant, it is more preferable compared to traditional cast iron idler wheel competency, effectively extend service life.
Description
Technical field
The present invention relates to technical field of agricultural mechanical equipment, and in particular to a kind of agricultural machinery high-strength wearable idler wheel.
Background technique
Strong roller devices are needed in agricultural machinery mostly, existing idler wheel production is mostly to glue by original
Soil sand moulding, casting iron liquid obtain blank, then obtain idler wheel finished product by cleaning spraying antirust paint.But this production technology compared with
To be coarse, the farm machinery parts blank flat appearance degree of acquisition is poor, sand holes stomata is more, waste product is more, intensity is low, easy to wear, it is difficult to full
The particular/special requirement of sufficient high-strength abrasion-proof product.
Summary of the invention
In view of the above problems, the invention proposes a kind of agricultural machinery high-strength abrasion-proof idler wheels, have good
Wear-and corrosion-resistant, it is more preferable compared to traditional cast iron idler wheel competency, effectively extend service life.
In order to achieve the above purpose, the following technical solution is employed by the present invention:
A kind of agricultural machinery high-strength wearable idler wheel, is followed successively by wheel body, strengthening layer and protective layer, the wheel body from inside to outside
For using the alloy cast iron of sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-
Epoxy resin composite coating, wherein strengthening layer is with a thickness of 68-75 μm, overcoat thickness 0.18-0.24mm.
Preferably, the Zn-Al composite ceramic-based material preparation step is as follows: planetary ball mill is added in ceramic powder
It is interior, then appropriate Zinc oxide powder, alumina powder are added thereto by the mass ratio of the material 0.5:1 blending again, ball milling 24-32h,
It takes out dry.
Preferably, the Zinc oxide powder, alumina powder always add the 5-15% that quality is ceramic powder quality.
Preferably, the nano eka-thallium stone-epoxy resin composite coating material preparation step is as follows: by nano eka-thallium stone
It is blended with the cetyl trimethylammonium bromide for accounting for its quality 3-6%, 5-8 times of nano eka-thallium stone quality is then added thereto
Distilled water first stirs 30min under the conditions of 50 DEG C, 15-30min is stirred under the conditions of then heating to 90 DEG C, then be cooled to 75-80
DEG C, a certain amount of epoxy resin and the KH-560 for accounting for epoxy resin quality 0.8-1.2% are added thereto, insulated and stirred 25-
30min, then 30 DEG C are cooled to, 600 Versamids of epoxy resin quality 25-28%, insulated and stirred 15- are added thereto
20min.
Preferably, the nano eka-thallium stone addition quality is the 6.5-7.2% of epoxy resin quality.
Preferably, agricultural machinery high-strength wearable idler wheel, preparation step are as follows: plating technique is spread using cold spraying, it will
Zn-Al is composite ceramic-based to be sprayed on alloy cast iron surface, and gradient increased temperature spreads 2h, then 350-400 DEG C of guarantor in an inert atmosphere
Then warm 2-2.5h is cooled to room temperature with 50-60 DEG C/h, then nano eka-thallium stone-epoxy resin composite coating is coated in its table
Face, agricultural machinery obtained by drying high-strength wearable idler wheel.
Preferably, the gradient increased temperature diffusion is specially first in 680 DEG C of diffusion 30min, then in 710 DEG C of diffusion 1h, most
Afterwards in 740 DEG C of diffusion 30min.
Due to using above-mentioned technical solution, the beneficial effects of the present invention are: product produced by the present invention is with good
Wear-and corrosion-resistant, it is more preferable compared to traditional cast iron idler wheel competency, effectively extend service life.By in cast iron body surfaces
The intensity and hardness that strengthening layer effectively increases ontology are penetrated into diffusion, using zinc oxide, alumina doped ceramic powder, are made pottery stablizing
While porcelain steric configuration, anti-corrosive properties are helped to improve, cooperation outer protective layer anticorrosion antiwear is stronger, and strengthens strengthening layer
Cohesive force between protective layer, coating is more uniformly smooth, and aesthetics is strong.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.Based on the embodiment of the present invention, the common skill in this field
Art personnel every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1:
A kind of agricultural machinery high-strength wearable idler wheel, is followed successively by wheel body, strengthening layer and protective layer, the wheel body from inside to outside
For using the alloy cast iron of sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-
Epoxy resin composite coating, wherein strengthening layer is with a thickness of 72 μm, overcoat thickness 0.22mm.
Wherein, Zn-Al composite ceramic-based material preparation step is as follows: ceramic powder being added in planetary ball mill, so
Appropriate Zinc oxide powder, alumina powder are added thereto by the mass ratio of the material 0.5:1 blending again afterwards, ball milling 26h takes out drying
?.Zinc oxide powder, alumina powder always add 8% that quality is ceramic powder quality.
Nano eka-thallium stone-epoxy resin composite coating material preparation step is as follows: by nano eka-thallium stone and accounting for its quality
3.5% cetyl trimethylammonium bromide is blended, and 6 times of nano eka-thallium stone quality of distilled water is then added thereto, first exists
30min is stirred under the conditions of 50 DEG C, 20min is stirred under the conditions of then heating to 90 DEG C, then is cooled to 75 DEG C, by a certain amount of asphalt mixtures modified by epoxy resin
Rouge and the KH-560 for accounting for epoxy resin quality 0.9% are added thereto, insulated and stirred 25min, then are cooled to 30 DEG C, thereto plus
Enter 600 Versamids of epoxy resin quality 25%, insulated and stirred 15min.It is ring that nano eka-thallium stone, which adds quality,
The 6.8% of oxygen resin quality.
Agricultural machinery high-strength wearable idler wheel, preparation step are as follows: spreading plating technique using cold spraying, Zn-Al is answered
It closes ceramic base and is sprayed on alloy cast iron surface, gradient increased temperature spreads 2h, then 350 DEG C of heat preservation 2.5h in an inert atmosphere, then
It is cooled to room temperature with 50 DEG C/h, then nano eka-thallium stone-epoxy resin composite coating is coated in its surface, agricultural machine obtained by drying
Tool high-strength wearable idler wheel.Gradient increased temperature diffusion is specially first in 680 DEG C of diffusion 30min, then in 710 DEG C of diffusion 1h, finally
In 740 DEG C of diffusion 30min.
Embodiment 2:
A kind of agricultural machinery high-strength wearable idler wheel, is followed successively by wheel body, strengthening layer and protective layer, the wheel body from inside to outside
For using the alloy cast iron of sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-
Epoxy resin composite coating, wherein strengthening layer is with a thickness of 68 μm, overcoat thickness 0.2mm.
Wherein, Zn-Al composite ceramic-based material preparation step is as follows: ceramic powder being added in planetary ball mill, so
Appropriate Zinc oxide powder, alumina powder are added thereto by the mass ratio of the material 0.5:1 blending again afterwards, ball milling 28h takes out drying
?.Zinc oxide powder, alumina powder always add 10% that quality is ceramic powder quality.
Nano eka-thallium stone-epoxy resin composite coating material preparation step is as follows: by nano eka-thallium stone and accounting for its quality
4% cetyl trimethylammonium bromide is blended, and 7 times of nano eka-thallium stone quality of distilled water is then added thereto, first 50
30min is stirred under the conditions of DEG C, 25min is stirred under the conditions of then heating to 90 DEG C, then is cooled to 75 DEG C, by a certain amount of epoxy resin
And account for the KH-560 of epoxy resin quality 1% and be added thereto, insulated and stirred 25min, then 30 DEG C are cooled to, ring is added thereto
600 Versamids of oxygen resin quality 26%, insulated and stirred 20min.It is asphalt mixtures modified by epoxy resin that nano eka-thallium stone, which adds quality,
The 6.5% of lipid amount.
Agricultural machinery high-strength wearable idler wheel, preparation step are as follows: spreading plating technique using cold spraying, Zn-Al is answered
It closes ceramic base and is sprayed on alloy cast iron surface, gradient increased temperature spreads 2h, then 380 DEG C of heat preservation 2.3h in an inert atmosphere, then
It is cooled to room temperature with 60 DEG C/h, then nano eka-thallium stone-epoxy resin composite coating is coated in its surface, agricultural machine obtained by drying
Tool high-strength wearable idler wheel.Gradient increased temperature diffusion is specially first in 680 DEG C of diffusion 30min, then in 710 DEG C of diffusion 1h, finally
In 740 DEG C of diffusion 30min.
Embodiment 3:
A kind of agricultural machinery high-strength wearable idler wheel, is followed successively by wheel body, strengthening layer and protective layer, the wheel body from inside to outside
For using the alloy cast iron of sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-
Epoxy resin composite coating, wherein strengthening layer is with a thickness of 73 μm, overcoat thickness 0.18mm.
Wherein, Zn-Al composite ceramic-based material preparation step is as follows: ceramic powder being added in planetary ball mill, so
Appropriate Zinc oxide powder, alumina powder are added thereto by the mass ratio of the material 0.5:1 blending again afterwards, ball milling for 24 hours, takes out drying
?.Zinc oxide powder, alumina powder always add 5% that quality is ceramic powder quality.
Nano eka-thallium stone-epoxy resin composite coating material preparation step is as follows: by nano eka-thallium stone and accounting for its quality
3% cetyl trimethylammonium bromide is blended, and 5 times of nano eka-thallium stone quality of distilled water is then added thereto, first 50
30min is stirred under the conditions of DEG C, 15min is stirred under the conditions of then heating to 90 DEG C, then is cooled to 80 DEG C, by a certain amount of epoxy resin
And account for the KH-560 of epoxy resin quality 0.8% and be added thereto, insulated and stirred 30min, then 30 DEG C are cooled to, it is added thereto
600 Versamids of epoxy resin quality 26%, insulated and stirred 20min.It is epoxy that nano eka-thallium stone, which adds quality,
The 7.1% of resin quality.
Agricultural machinery high-strength wearable idler wheel, preparation step are as follows: spreading plating technique using cold spraying, Zn-Al is answered
It closes ceramic base and is sprayed on alloy cast iron surface, gradient increased temperature spreads 2h, then 360 DEG C of heat preservation 2.3h in an inert atmosphere, then
It is cooled to room temperature with 60 DEG C/h, then nano eka-thallium stone-epoxy resin composite coating is coated in its surface, agricultural machine obtained by drying
Tool high-strength wearable idler wheel.Gradient increased temperature diffusion is specially first in 680 DEG C of diffusion 30min, then in 710 DEG C of diffusion 1h, finally
In 740 DEG C of diffusion 30min.
Embodiment 4:
A kind of agricultural machinery high-strength wearable idler wheel, is followed successively by wheel body, strengthening layer and protective layer, the wheel body from inside to outside
For using the alloy cast iron of sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-
Epoxy resin composite coating, wherein strengthening layer is with a thickness of 75 μm, overcoat thickness 0.22mm.
Wherein, Zn-Al composite ceramic-based material preparation step is as follows: ceramic powder being added in planetary ball mill, so
Appropriate Zinc oxide powder, alumina powder are added thereto by the mass ratio of the material 0.5:1 blending again afterwards, ball milling 30h takes out drying
?.Zinc oxide powder, alumina powder always add 12% that quality is ceramic powder quality.
Nano eka-thallium stone-epoxy resin composite coating material preparation step is as follows: by nano eka-thallium stone and accounting for its quality
5% cetyl trimethylammonium bromide is blended, and 7 times of nano eka-thallium stone quality of distilled water is then added thereto, first 50
30min is stirred under the conditions of DEG C, 20min is stirred under the conditions of then heating to 90 DEG C, then is cooled to 80 DEG C, by a certain amount of epoxy resin
And account for the KH-560 of epoxy resin quality 1.2% and be added thereto, insulated and stirred 30min, then 30 DEG C are cooled to, it is added thereto
600 Versamids of epoxy resin quality 28%, insulated and stirred 20min.It is epoxy that nano eka-thallium stone, which adds quality,
The 7.2% of resin quality.
Agricultural machinery high-strength wearable idler wheel, preparation step are as follows: spreading plating technique using cold spraying, Zn-Al is answered
Close ceramic base and be sprayed on alloy cast iron surface, gradient increased temperature spreads 2h, then 390 DEG C of heat preservation 2h in an inert atmosphere, then with
50 DEG C/h is cooled to room temperature, then nano eka-thallium stone-epoxy resin composite coating is coated in its surface, agricultural machinery obtained by drying
With high-strength wearable idler wheel.Gradient increased temperature diffusion is specially first, then in 710 DEG C of diffusion 1h, finally to exist in 680 DEG C of diffusion 30min
740 DEG C of diffusion 30min.
Embodiment 5:
A kind of agricultural machinery high-strength wearable idler wheel, is followed successively by wheel body, strengthening layer and protective layer, the wheel body from inside to outside
For using the alloy cast iron of sand casting, the strengthening layer is that Zn-Al is composite ceramic-based, the protective layer is nano eka-thallium stone-
Epoxy resin composite coating, wherein strengthening layer is with a thickness of 70 μm, overcoat thickness 0.24mm.
Wherein, Zn-Al composite ceramic-based material preparation step is as follows: ceramic powder being added in planetary ball mill, so
Appropriate Zinc oxide powder, alumina powder are added thereto by the mass ratio of the material 0.5:1 blending again afterwards, ball milling 32h takes out drying
?.Zinc oxide powder, alumina powder always add 15% that quality is ceramic powder quality.
Nano eka-thallium stone-epoxy resin composite coating material preparation step is as follows: by nano eka-thallium stone and accounting for its quality
6% cetyl trimethylammonium bromide is blended, and 8 times of nano eka-thallium stone quality of distilled water is then added thereto, first 50
30min is stirred under the conditions of DEG C, 30min is stirred under the conditions of then heating to 90 DEG C, then is cooled to 75 DEG C, by a certain amount of epoxy resin
And account for the KH-560 of epoxy resin quality 1% and be added thereto, insulated and stirred 30min, then 30 DEG C are cooled to, ring is added thereto
600 Versamids of oxygen resin quality 26%, insulated and stirred 15min.It is asphalt mixtures modified by epoxy resin that nano eka-thallium stone, which adds quality,
The 7% of lipid amount.
Agricultural machinery high-strength wearable idler wheel, preparation step are as follows: spreading plating technique using cold spraying, Zn-Al is answered
Close ceramic base and be sprayed on alloy cast iron surface, gradient increased temperature spreads 2h, then 400 DEG C of heat preservation 2h in an inert atmosphere, then with
60 DEG C/h is cooled to room temperature, then nano eka-thallium stone-epoxy resin composite coating is coated in its surface, agricultural machinery obtained by drying
With high-strength wearable idler wheel.Gradient increased temperature diffusion is specially first, then in 710 DEG C of diffusion 1h, finally to exist in 680 DEG C of diffusion 30min
740 DEG C of diffusion 30min.
Product made from the embodiment of the present invention is tested for the property, hardness 414HV, caning absorb ballistic work is 46.8J,
Salt fog resistance corrosivity (rusty stain occur) is 380h (independent alloy cast iron 72h starts rust), and tensile strength 516MPa, surrender is by force
Degree is 406.7MPa.(above data is average value of the embodiment of the present invention)
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of agricultural machinery high-strength wearable idler wheel, it is characterised in that: be followed successively by wheel body, strengthening layer and protection from inside to outside
Layer, the wheel body are the alloy cast iron using sand casting, and the strengthening layer is that Zn-Al is composite ceramic-based, and the protective layer is
Nano eka-thallium stone-epoxy resin composite coating, wherein strengthening layer is with a thickness of 68-75 μm, overcoat thickness 0.18-0.24mm.
2. agricultural machinery according to claim 1 high-strength wearable idler wheel, which is characterized in that the Zn-Al composite ceramics
The material preparation step of base is as follows: ceramic powder being added in planetary ball mill, then again by appropriate Zinc oxide powder, aluminium oxide
Powder is added thereto by the mass ratio of the material 0.5:1 blending, ball milling 24-32h, is taken out dry.
3. agricultural machinery according to claim 2 high-strength wearable idler wheel, it is characterised in that: the Zinc oxide powder, oxygen
Change aluminium powder and always adds the 5-15% that quality is ceramic powder quality.
4. agricultural machinery according to claim 1 high-strength wearable idler wheel, which is characterized in that the nano eka-thallium stone-ring
The material preparation step of oxygen resin compounded coating is as follows: by nano eka-thallium stone and the cetyl trimethyl for accounting for its quality 3-6%
Ammonium bromide is blended, and the distilled water of 5-8 times of nano eka-thallium stone quality is then added thereto, first stirs 30min under the conditions of 50 DEG C,
15-30min is stirred under the conditions of then heating to 90 DEG C, then is cooled to 75-80 DEG C, by a certain amount of epoxy resin and accounts for asphalt mixtures modified by epoxy resin
The KH-560 of lipid amount 0.8-1.2% is added thereto, insulated and stirred 25-30min, then is cooled to 30 DEG C, and epoxy is added thereto
600 Versamids of resin quality 25-28%, insulated and stirred 15-20min.
5. agricultural machinery according to claim 4 high-strength wearable idler wheel, it is characterised in that: the nano eka-thallium stone addition
Quality is the 6.5-7.2% of epoxy resin quality.
6. agricultural machinery according to claim 1-5 high-strength wearable idler wheel, which is characterized in that preparation step is such as
Under: plating technique is spread using cold spraying, is sprayed on alloy cast iron surface for Zn-Al is composite ceramic-based, gradient increased temperature spreads 2h,
Then then 350-400 DEG C of heat preservation 2-2.5h in an inert atmosphere is cooled to room temperature with 50-60 DEG C/h, then by nano eka-thallium stone-
Epoxy resin composite coating is coated in its surface, agricultural machinery obtained by drying high-strength wearable idler wheel.
7. agricultural machinery according to claim 6 high-strength wearable idler wheel, it is characterised in that: the gradient increased temperature diffusion tool
Body is first in 680 DEG C of diffusion 30min, then in 710 DEG C of diffusion 1h, finally in 740 DEG C of diffusion 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349544.2A CN107191472B (en) | 2017-05-17 | 2017-05-17 | A kind of agricultural machinery high-strength wearable idler wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349544.2A CN107191472B (en) | 2017-05-17 | 2017-05-17 | A kind of agricultural machinery high-strength wearable idler wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191472A CN107191472A (en) | 2017-09-22 |
| CN107191472B true CN107191472B (en) | 2019-04-19 |
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| CN201710349544.2A Active CN107191472B (en) | 2017-05-17 | 2017-05-17 | A kind of agricultural machinery high-strength wearable idler wheel |
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| CN2223725Y (en) * | 1995-04-11 | 1996-04-03 | 天津市硬质合金研究所 | Roller for applying pressure to engage closure with sealing surface |
| CN103172974A (en) * | 2013-03-14 | 2013-06-26 | 西安理工大学 | Epoxy resin-based nanometer composite material and preparation method thereof |
| CN104128892A (en) * | 2014-07-29 | 2014-11-05 | 桂林创源金刚石有限公司 | Metal ceramic composite binding agent and composite binding agent diamond grinding wheel |
| CN104959194A (en) * | 2015-05-22 | 2015-10-07 | 宝志坚 | Metal ceramic grinding roller, and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20002122A (en) * | 2000-06-02 | 2001-12-03 | Metso Paper Inc | Arrangements to improve the beginning of the drying section |
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| CN2223725Y (en) * | 1995-04-11 | 1996-04-03 | 天津市硬质合金研究所 | Roller for applying pressure to engage closure with sealing surface |
| CN103172974A (en) * | 2013-03-14 | 2013-06-26 | 西安理工大学 | Epoxy resin-based nanometer composite material and preparation method thereof |
| CN104128892A (en) * | 2014-07-29 | 2014-11-05 | 桂林创源金刚石有限公司 | Metal ceramic composite binding agent and composite binding agent diamond grinding wheel |
| CN104959194A (en) * | 2015-05-22 | 2015-10-07 | 宝志坚 | Metal ceramic grinding roller, and preparation method thereof |
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