CN108117823B - Casing coating for corn screening machine - Google Patents
Casing coating for corn screening machine Download PDFInfo
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- CN108117823B CN108117823B CN201711307220.9A CN201711307220A CN108117823B CN 108117823 B CN108117823 B CN 108117823B CN 201711307220 A CN201711307220 A CN 201711307220A CN 108117823 B CN108117823 B CN 108117823B
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2231—Oxides; Hydroxides of metals of tin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2255—Oxides; Hydroxides of metals of molybdenum
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention provides a machine shell coating for a corn screening machine, and relates to the technical field of agricultural equipment, wherein the machine shell coating comprises the following components: 35-43 parts of epoxy acrylic resin, 8-12 parts of natural latex, 6-10 parts of oxidized polypropylene ester, 11-14 parts of butanediol, 4-7 parts of modified graphene, 15-20 parts of melamine, 6-12 parts of an antistatic agent, 1-3 parts of an antistatic auxiliary agent, 3-8 parts of a nano metal compound, 0.1-0.5 part of an antioxidant, 0.3-0.8 part of a stabilizer, 3-5 parts of a dispersant, 16-22 parts of a plasticizer, 2-4 parts of a leveling agent and 3-5 parts of a film-forming auxiliary agent; the invention provides a shell coating for a corn screening machine, which has the advantages of quick drying, good impact resistance, high peeling strength of the coating, low formaldehyde content, basically no harm to a human body, low surface resistance value, conductive function, static discharge and prevention of dust from gathering in the shell of the screening machine.
Description
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to a shell coating for a corn screening machine.
Background
Corn is the seed of grass plant corn of Gramineae, known as corn, commonly known as barren, corn and corn, and is planted in various places of China, especially northeast, northChina and southwest. Hard corn is generally planted in northeast regions, and horse-tooth corn suitable for grinding is mostly planted in northeast regions, and the quality of the horse-tooth corn is inferior to that of the hard corn. Corn is a good health product in coarse grain, the corn is very beneficial to the health of human body, the corn is an important food processing raw material, and after corn kernels on the corn are threshed, the corn kernels need to be screened according to the sizes of the corn kernels. Corn screening machine among the prior art uses the inferior goods generally not to use the coating for can let the inside easy gathering dust of casing among the corn screening process, and the corn of screening out has the peculiar smell.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the shell coating for the corn screening machine, which is quick to dry, good in impact resistance and high in coating peeling strength.
In order to achieve the purpose, the invention is realized by the following technical scheme: an enclosure coating for a corn screen, the enclosure coating comprising the following components: 35-43 parts of epoxy acrylic resin, 8-12 parts of natural latex, 6-10 parts of oxidized polypropylene ester, 11-14 parts of butanediol, 4-7 parts of modified graphene, 15-20 parts of melamine, 6-12 parts of an antistatic agent, 1-3 parts of an antistatic auxiliary agent, 3-8 parts of a nano metal compound, 0.1-0.5 part of an antioxidant, 0.3-0.8 part of a stabilizer, 3-5 parts of a dispersant, 16-22 parts of a plasticizer, 2-4 parts of a leveling agent and 3-5 parts of a film-forming auxiliary agent.
Preferably, the antistatic agent is one or a mixture of more of alkanol ammonium salt, mixed valence tin oxide and mixed valence molybdenum oxide.
Preferably, the preparation method of the chassis coating comprises the following steps:
s1, putting epoxy acrylic resin, natural latex, oxidized polypropylene ester, butanediol, melamine, a dispersing agent and a film-forming additive into a reaction kettle, stirring and mixing, heating to a temperature range of 40-50 ℃ at a heating rate of 1-2 ℃/min, stirring at a stirring speed of 110-;
s2, mixing, grinding and crushing the modified graphene and the nano metal compound, and filtering and discharging the material by using a 120-mesh and 140-mesh screen to obtain a material B;
s3, putting the material B into the solution A obtained in the S1 reaction kettle, and placing the solution A into an ultrasonic dispersion machine for dispersion, wherein the ultrasonic power is 220 and 250W, the dispersion time is 5-10min, and the dispersion temperature is 55-67 ℃;
s4, heating the solution in the reaction kettle to 70-85 ℃, adding an antistatic agent, an antistatic auxiliary agent, an antioxidant, a stabilizer, a plasticizer and a leveling agent, continuously heating to 90-95 ℃, stirring at the speed of 200 and 300r/min for 25-30min, standing, keeping the temperature for 1-2h, and filtering to obtain the coating.
The invention provides a shell coating for a corn screening machine, which has the advantages of quick drying, good impact resistance, high peeling strength of the coating, low formaldehyde content, basically no harm to a human body, low surface resistance value, conductive function, static discharge and prevention of dust from gathering in the shell of the screening machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view schematic diagram of a corn screening machine of the present invention;
figure 2 is a schematic view of the corn screener of the present invention in the orientation of a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1:
an enclosure coating for a corn screener, preferably, the enclosure coating comprises the following components: 35-43 parts of epoxy acrylic resin, 8-12 parts of natural latex, 6-10 parts of oxidized polypropylene ester, 11-14 parts of butanediol, 4-7 parts of modified graphene, 15-20 parts of melamine, 6-12 parts of an antistatic agent, 1-3 parts of an antistatic auxiliary agent, 3-8 parts of a nano metal compound, 0.1-0.5 part of an antioxidant, 0.3-0.8 part of a stabilizer, 3-5 parts of a dispersant, 16-22 parts of a plasticizer, 2-4 parts of a leveling agent and 3-5 parts of a film-forming auxiliary agent.
Preferably, the antistatic agent is one or a mixture of more of alkanol ammonium salt, mixed valence tin oxide and mixed valence molybdenum oxide.
Example 2:
an enclosure coating for a corn screener, preferably, the enclosure coating comprises the following components: 35-43 parts of epoxy acrylic resin, 8-12 parts of natural latex, 6-10 parts of oxidized polypropylene ester, 11-14 parts of butanediol, 4-7 parts of modified graphene, 15-20 parts of melamine, 6-12 parts of an antistatic agent, 1-3 parts of an antistatic auxiliary agent, 3-8 parts of a nano metal compound, 0.1-0.5 part of an antioxidant, 0.3-0.8 part of a stabilizer, 3-5 parts of a dispersant, 16-22 parts of a plasticizer, 2-4 parts of a leveling agent and 3-5 parts of a film-forming auxiliary agent.
Preferably, the antistatic agent is one or a mixture of more of alkanol ammonium salt, mixed valence tin oxide and mixed valence molybdenum oxide.
Preferably, the preparation method of the chassis coating comprises the following steps:
s1, putting epoxy acrylic resin, natural latex, oxidized polypropylene ester, butanediol, melamine, a dispersing agent and a film-forming additive into a reaction kettle, stirring and mixing, heating to a temperature range of 40-50 ℃ at a heating rate of 1-2 ℃/min, stirring at a stirring speed of 110-;
s2, mixing, grinding and crushing the modified graphene and the nano metal compound, and filtering and discharging the material by using a 120-mesh and 140-mesh screen to obtain a material B;
s3, putting the material B into the solution A obtained in the S1 reaction kettle, and placing the solution A into an ultrasonic dispersion machine for dispersion, wherein the ultrasonic power is 220 and 250W, the dispersion time is 5-10min, and the dispersion temperature is 55-67 ℃;
s4, heating the solution in the reaction kettle to 70-85 ℃, adding an antistatic agent, an antistatic auxiliary agent, an antioxidant, a stabilizer, a plasticizer and a leveling agent, continuously heating to 90-95 ℃, stirring at the speed of 200 and 300r/min for 25-30min, standing, keeping the temperature for 1-2h, and filtering to obtain the coating.
Example 3:
an enclosure coating for a corn screener, preferably, the enclosure coating comprises the following components: 35-43 parts of epoxy acrylic resin, 8-12 parts of natural latex, 6-10 parts of oxidized polypropylene ester, 11-14 parts of butanediol, 4-7 parts of modified graphene, 15-20 parts of melamine, 6-12 parts of an antistatic agent, 1-3 parts of an antistatic auxiliary agent, 3-8 parts of a nano metal compound, 0.1-0.5 part of an antioxidant, 0.3-0.8 part of a stabilizer, 3-5 parts of a dispersant, 16-22 parts of a plasticizer, 2-4 parts of a leveling agent and 3-5 parts of a film-forming auxiliary agent.
Preferably, the antistatic agent is one or a mixture of more of alkanol ammonium salt, mixed valence tin oxide and mixed valence molybdenum oxide.
Preferably, the preparation method of the chassis coating comprises the following steps:
s1, putting epoxy acrylic resin, natural latex, oxidized polypropylene ester, butanediol, melamine, a dispersing agent and a film-forming additive into a reaction kettle, stirring and mixing, heating to a temperature range of 40-50 ℃ at a heating rate of 1-2 ℃/min, stirring at a stirring speed of 110-;
s2, mixing, grinding and crushing the modified graphene and the nano metal compound, and filtering and discharging the material by using a 120-mesh and 140-mesh screen to obtain a material B;
s3, putting the material B into the solution A obtained in the S1 reaction kettle, and placing the solution A into an ultrasonic dispersion machine for dispersion, wherein the ultrasonic power is 220 and 250W, the dispersion time is 5-10min, and the dispersion temperature is 55-67 ℃;
s4, heating the solution in the reaction kettle to 70-85 ℃, adding an antistatic agent, an antistatic auxiliary agent, an antioxidant, a stabilizer, a plasticizer and a leveling agent, continuously heating to 90-95 ℃, stirring at the speed of 200 and 300r/min for 25-30min, standing, keeping the temperature for 1-2h, and filtering to obtain the coating.
The corn screening machine comprises a machine shell 1, a first screen 2, a second screen 3 and a third screen 4, wherein the machine shell 1 is cylindrical, and the first screen 2, the second screen 3 and the third screen 4 are respectively arranged in the machine shell 1 at different heights; first screen cloth 2, second screen cloth 3, third screen cloth 4 are the slope form, first screen cloth 2, second screen cloth 3, third screen cloth 4 orientation are all inequality, first screen cloth 2 below is equipped with first U type groove 5 that incline opposite direction, second screen cloth 3 below is equipped with second U type groove 6 that incline opposite direction, third screen cloth 4 below is equipped with third U type groove 7 that incline opposite direction, first U type groove 5, second U type groove 6, third U type groove 7 extend first discharge gate 10, second discharge gate 11, the third discharge gate 12 that the casing 1 outside corresponds respectively.
Preferably, the screen openings of the first screen 2, the second screen 3 and the third screen 4 are sequentially increased in size.
Preferably, the bottom of the machine shell 1 is provided with a coarse material outlet 8, and the top end of the machine shell 1 is provided with a feeding port 9.
Preferably, two sides of the first U-shaped groove 5 extend upwards and are fixed with two sides of the first screen 2, two sides of the second U-shaped groove 5 extend upwards and are fixed with two sides of the second screen 2, and two sides of the third U-shaped groove 5 extend upwards and are fixed with two sides of the third screen 2.
Pour into the maize from the pan feeding mouth, the maize is poured into from the pan feeding mouth, first screen cloth, the second screen cloth, the sieve mesh size of third screen cloth increases in proper order, the maize landing is to three screen cloth in proper order, make the kernel of corn can obtain more careful letter sorting, less kernel of corn comes out from first discharge gate after falling into first U type groove through first screen cloth, the kernel of corn of general size comes out from the second discharge gate after falling into second U type groove through the second screen cloth, the biggest kernel of corn comes out from the third discharge gate after falling into third U type groove through the third screen cloth, all the other coarse fodder are exported from the coarse fodder, the orderly letter sorting of kernel of corn has been realized.
Test 1
The cabinet coatings obtained in examples 1 and 2 were tested and compared with a conventional cabinet coating on the market. The test results are as follows:
test 1 demonstrates that: the coating of the machine shell is fast in drying, good in impact resistance, high in peeling strength, low in formaldehyde content, basically free of damage to a human body, low in surface resistance value, conductive, capable of discharging static electricity and capable of preventing dust from gathering inside the machine shell of the screening machine.
The corn screens prepared in example 3 were tested and compared to commercial conventional corn screens. The test results are as follows:
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (2)
1. The application of the hull coating on the corn screening machine is characterized in that: spraying the casing coating on a corn screening machine, wherein the corn screening machine comprises a casing, a first screen, a second screen and a third screen, the casing is cylindrical, and the first screen, the second screen and the third screen are respectively arranged at different heights in the casing; the first screen, the second screen and the third screen are all in an inclined shape, the orientations of the first screen, the second screen and the third screen are different, a first U-shaped groove with opposite inclination directions is arranged below the first screen, a second U-shaped groove with opposite inclination directions is arranged below the second screen, a third U-shaped groove with opposite inclination directions is arranged below the third screen, the first U-shaped groove, the second U-shaped groove and the third U-shaped groove respectively extend out of a first discharge port, a second discharge port and a third discharge port which correspond to the outer side of the casing, the sizes of the screen holes of the first screen, the second screen and the third screen are sequentially increased, a coarse material outlet is arranged at the bottom of the casing, a feeding port is arranged at the top end of the casing, two sides of the first U-shaped groove extend upwards and are fixed with two sides of the first screen, two sides of the second U-shaped groove extend upwards and are fixed with two sides of the second, two sides of the third U-shaped groove extend upwards and are fixed with two sides of the third screen;
the shell coating comprises the following components: 35-43 parts of epoxy acrylic resin, 8-12 parts of natural latex, 6-10 parts of oxidized polypropylene ester, 11-14 parts of butanediol, 4-7 parts of modified graphene, 15-20 parts of melamine, 6-12 parts of an antistatic agent, 1-3 parts of an antistatic auxiliary agent, 3-8 parts of a nano metal compound, 0.1-0.5 part of an antioxidant, 0.3-0.8 part of a stabilizer, 3-5 parts of a dispersant, 16-22 parts of a plasticizer, 2-4 parts of a leveling agent and 3-5 parts of a film-forming auxiliary agent;
the preparation method of the shell coating comprises the following steps:
s1, putting epoxy acrylic resin, natural latex, oxidized polypropylene ester, butanediol, melamine, a dispersing agent and a film-forming additive into a reaction kettle, stirring and mixing, heating to a temperature range of 40-50 ℃ at a heating rate of 1-2 ℃/min, stirring at a stirring speed of 110-;
s2, mixing, grinding and crushing the modified graphene and the nano metal compound, and filtering and discharging the material by using a 120-mesh and 140-mesh screen to obtain a material B;
s3, putting the material B into the solution A obtained in the S1 reaction kettle, and placing the solution A into an ultrasonic dispersion machine for dispersion, wherein the ultrasonic power is 220 and 250W, the dispersion time is 5-10min, and the dispersion temperature is 55-67 ℃;
s4, heating the solution in the reaction kettle to 70-85 ℃, adding an antistatic agent, an antistatic auxiliary agent, an antioxidant, a stabilizer, a plasticizer and a leveling agent, continuously heating to 90-95 ℃, stirring at the speed of 200 and 300r/min for 25-30min, standing, keeping the temperature for 1-2h, and filtering to obtain the coating.
2. The use according to claim 1, wherein the antistatic agent is one or more of alkanolammonium salt, mixed tin oxide and mixed molybdenum oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307220.9A CN108117823B (en) | 2017-12-11 | 2017-12-11 | Casing coating for corn screening machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711307220.9A CN108117823B (en) | 2017-12-11 | 2017-12-11 | Casing coating for corn screening machine |
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| CN108117823A CN108117823A (en) | 2018-06-05 |
| CN108117823B true CN108117823B (en) | 2020-01-24 |
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| CN118064035A (en) * | 2024-01-03 | 2024-05-24 | 上海篷材机电设备有限公司 | Preparation method of antioxidant motor shell protective coating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882064A (en) * | 1973-12-27 | 1975-05-06 | Du Pont | Epoxy resin powder coating composition |
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| CN103897580B (en) * | 2014-03-11 | 2016-11-23 | 上海长润发涂料有限公司 | A kind of electrostatic spraying polyurethane lacquer |
| CN105949904A (en) * | 2014-11-04 | 2016-09-21 | 陈薇 | High-adhesion impact-resistant thermal insulation coating |
| CN105350291A (en) * | 2015-12-31 | 2016-02-24 | 王璐 | Anti-static coating material for fabric coating finish |
| CN106318135B (en) * | 2016-08-19 | 2019-04-19 | 仪征祥源动力供应有限公司 | A kind of antistatic bacteriostasis complex function stainless steel tube coating |
| CN106221513B (en) * | 2016-08-19 | 2019-04-19 | 仪征祥源动力供应有限公司 | A kind of preparation method of stainless steel tube antistatic coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882064A (en) * | 1973-12-27 | 1975-05-06 | Du Pont | Epoxy resin powder coating composition |
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