CN110804227A - Energy-saving wear-resistant fabric core conveying belt and preparation method thereof - Google Patents
Energy-saving wear-resistant fabric core conveying belt and preparation method thereof Download PDFInfo
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- CN110804227A CN110804227A CN201911122899.3A CN201911122899A CN110804227A CN 110804227 A CN110804227 A CN 110804227A CN 201911122899 A CN201911122899 A CN 201911122899A CN 110804227 A CN110804227 A CN 110804227A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D29/00—Producing belts or bands
- B29D29/06—Conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
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- 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
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- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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 discloses an energy-saving wear-resistant fabric core conveying belt and a preparation method thereof. The method selects tin coupling solution polymerized styrene butadiene rubber/natural rubber/butadiene rubber as a main material, low rolling resistance carbon black and high dispersion white carbon black as reinforcing agents, adds a self-made CMoSSI wear-resistant agent, prepares an energy-saving wear-resistant rubber composite material as a covering layer of the fabric core conveyer belt by optimizing a formula and a process, and the manufactured fabric core conveyer belt has excellent wear resistance and shock resistance, is low in rolling resistance, can prolong the service life of the conveyer belt, reduces the running resistance and reduces the energy consumption, thereby achieving the purposes of reducing the running cost and improving the use benefit. Meanwhile, the invention has simple process and easy manufacture.
Description
Technical Field
The invention relates to the technical field of mining conveying belts, in particular to an energy-saving wear-resistant fabric core conveying belt and a preparation method thereof.
Background
The conveyer belt is a main tool for conveying materials in the industries of coal mines, metallurgy, mines, building materials, chemical industry, electric power, ports and the like, has the functions of conveying the materials, transmitting power, having enough strength for the main requirements of the conveyer belt to meet the requirements of conveying capacity, having good wear resistance, having longer service life and having lower rolling resistance, and having low energy consumption in the operation process. The strength of the conveyor belt is mainly determined by its skeleton material, while the wear resistance and rolling resistance are mainly determined by the material of the covering layer. The prior art has more researches on how to improve the wear resistance of the conveyer belt, less researches on how to reduce the rolling resistance of the conveyer belt in operation, and less researches on the energy-saving wear-resistant fabric core conveyer belt and a preparation method thereof. Scientific research shows that about 40% of power consumption of a rubber conveying belt is used for overcoming rolling resistance generated by rubber deformation in the running process, generally, the rolling resistance of a rubber material is caused by the viscoelastic property of a working surface of the rubber conveying belt, a loss factor (tan delta value at 60 ℃) is an important parameter for representing the dynamic viscoelasticity of the material, and the tan delta (tan delta value at 60 ℃) is reduced, so that the hysteresis loss of the rubber conveying belt can be reduced, the power consumption in the running process is correspondingly reduced, and the purpose of saving energy is achieved. Therefore, the development of the energy-saving wear-resistant fabric core conveying belt with low rolling resistance has important significance for prolonging the service life of the conveying belt and reducing the energy consumption and the running cost in the using process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an energy-saving wear-resistant fabric core conveying belt which has excellent wear resistance and impact resistance and low rolling resistance, meets the mechanical property of the conveying belt, can prolong the service life of the conveying belt, reduces the running resistance, reduces the energy consumption, and achieves the purposes of reducing the running cost and improving the use benefit.
The second purpose of the invention is to provide a manufacturing method of the energy-saving wear-resistant fabric core conveyer belt, which is simple and easy to manufacture.
The purpose of the invention is realized by the following scheme:
the invention provides an energy-saving wear-resistant and durable fabric core conveyer belt, which comprises a fabric canvas framework layer, a canvas adhesive layer, an upper covering adhesive layer and a lower covering adhesive layer, and is characterized in that: the upper covering glue layer and the lower covering glue layer consist of the following components in percentage by weight:
50 parts of tin coupling type solution polymerized styrene-butadiene rubber (SSBR-SL 552), 20-30 parts of Natural Rubber (NR), 20-30 parts of butadiene rubber (BR 9000), 4-6 parts of zinc oxide, 1-3 parts of stearic acid, 1.5-2.0 parts of sulfur, 1.5-2.0 parts of accelerator, 2-3 parts of anti-aging agent, 1-2 parts of protective wax, 0.5-1 part of anti-scorching agent CTP, 25-30 parts of low rolling resistance carbon black, 25-30 parts of high dispersion white carbon black, 2-4 parts of silane coupling agent (Si69), 4-6 parts of CMoSSI wear-resistant agent, 5-7 parts of coumarone resin and 3-5 parts of aromatic oil.
The promoter is a combination of a promoter CZ and a promoter TMTD.
The anti-aging agent is a combination of an anti-aging agent RD and an anti-aging agent 4020.
The low rolling resistance carbon black is selected from Degussa EB122, EB123 or cabot CRXTM1436.
The CMoSSI wear-resistant agent is a composition of graphite powder with the fineness of 1000 meshes, molybdenum disulfide with the fineness of 1000 meshes and a Si69 silane coupling agent, and the mass ratio of the three components is 75%/23%/2%.
The fabric canvas framework layer is formed by laminating a plurality of layers of rubberized canvas, and the framework material can be selected from nylon rubberized canvas (NN100-500) or polyester rubberized canvas (EP 100-500).
The thickness of the upper covering glue layer is 3-8mm, and the thickness of the lower covering glue layer is 1.5-4 mm.
The invention provides a manufacturing method of an energy-saving wear-resistant fabric core conveying belt, which comprises the following steps:
(1) preparing an upper covering layer sizing material and a lower covering layer sizing material:
the sizing materials of the upper and lower covering glue layers comprise the following components in percentage by weight:
50 parts of tin coupling type solution polymerized styrene-butadiene rubber (SSBR-SL 552), 20-30 parts of Natural Rubber (NR), 20-30 parts of butadiene rubber (BR 9000), 4-6 parts of zinc oxide, 1-3 parts of stearic acid, 1.5-2.0 parts of sulfur, 1.5-2.0 parts of accelerator, 2-3 parts of anti-aging agent, 1-2 parts of protective wax, 0.5-1 part of anti-scorching agent CTP, 25-30 parts of low rolling resistance carbon black, 25-30 parts of high dispersion white carbon black, 2-4 parts of silane coupling agent (Si69), 4-6 parts of CMoSSI wear-resistant agent, 5-7 parts of coumarone resin and 3-5 parts of aromatic oil.
Preparing the mixture into two-stage rubber compound with an upper rubber layer and a lower rubber layer:
1) plasticating natural rubber:
plasticating the natural rubber by using an internal mixer, wherein the rotor speed of the internal mixer is 40 r/min, the plasticating time is 180-;
2) preparing a CmoSSI wear-resistant agent:
putting graphite powder with the fineness of 1000 meshes and molybdenum disulfide with the fineness of 1000 meshes into a kneader, heating and stirring at the stirring speed of 350-400 r/min, heating to 40-60 ℃, spraying a Si69 silane coupling agent, continuously heating and stirring, and stirring at the temperature of 110-120 ℃ for 10-15 min to prepare the CMoSSI wear-resistant agent, wherein the mass ratio of the graphite powder/the molybdenum disulfide/the Si69 in the CMoSSI wear-resistant agent is 75%/23%/2%;
3) first-stage mixing:
firstly, plasticated natural rubber, styrene butadiene rubber and butadiene rubber are put into an internal mixer for mixing for 40-50 seconds, white carbon black, zinc oxide, an anti-aging agent, an anti-scorching agent and a silane coupling agent are put into the internal mixer, mixing is continued for 150-180 seconds, then carbon black, a CMoSSI wear-resistant agent, stearic acid, protective wax, aromatic oil and coumarone resin are put into the internal mixer for mixing for 150-180 seconds, the rubber discharge temperature is 140-150 ℃, sheets are taken out and cooled, a section of mixed rubber is prepared, and the mixed rubber is used after being placed for 8 hours;
4) and (3) second-stage mixing:
and (3) using an internal mixer for two-stage mixing, wherein the rotor speed of the internal mixer is 20 r/min, putting the first-stage rubber compound, sulfur, an accelerator into the internal mixer, mixing for 100-120 seconds, discharging the rubber at 90-100 ℃, discharging the sheet, cooling to obtain a second-stage rubber compound, and standing for 8 hours for use.
(2) Preparing a canvas rubberizing layer sizing material:
the canvas rubberizing layer rubber material is used for a common fabric core conveying belt;
(3) rubberizing a canvas:
hot-pasting the canvas rubberizing layer rubber material on the upper surface and the lower surface of the rubberized canvas according to the thickness required by the process by a cold feed extruder and a four-roller calender;
(4) rolling out a sheet:
preparing upper and lower cover layer rubber sheets from the upper and lower cover layer rubber materials according to the thickness required by the process by using a cold feed extruder and a four-roll calender;
(5) forming a strip blank:
firstly, adhering rubberized canvas together according to the number of layers required by the process by an automatic tension forming machine, and then adhering the rubberized canvas to upper and lower covering layer films to prepare a belt blank;
(6) plate vulcanization:
and vulcanizing the belt blank into a finished product through a flat vulcanizing machine according to the pressure, temperature and time required by the process, namely the wear-resistant cold-resistant impact-resistant fabric core conveying belt.
Compared with the prior art, the invention has the following beneficial effects:
the invention selects tin coupling solution polymerized styrene butadiene rubber/natural rubber/butadiene rubber as a main material, low rolling resistance carbon black and high dispersion white carbon black as reinforcing agents, adds self-made CMoSSI wear-resistant agent, prepares energy-saving wear-resistant rubber composite material as a covering layer of the fabric core conveyer belt by optimizing a formula and a process, and the manufactured fabric core conveyer belt has excellent wear resistance and shock resistance, has low rolling resistance, can prolong the service life of the conveyer belt, reduces the running resistance and reduces the energy consumption, thereby achieving the purposes of reducing the running cost and improving the use benefit. Meanwhile, the invention has simple process and easy manufacture.
Detailed Description
The following examples are given to aid in the understanding of the invention, but are not intended to limit the scope of the invention.
Example 1
The embodiment provides an energy-saving and wear-resistant fabric core conveying belt, which comprises a fabric canvas framework layer, a canvas adhesive layer, an upper covering adhesive layer and a lower covering adhesive layer, wherein the upper covering adhesive layer and the lower covering adhesive layer consist of the following components in percentage by weight:
50 parts of tin coupling solution polymerized styrene-butadiene rubber (SSBR-SL 552), 20 parts of Natural Rubber (NR), 30 parts of butadiene rubber (BR 9000), 4 parts of zinc oxide, 3 parts of stearic acid, 1.5 parts of sulfur, 1 part of promoter CZ, 1 part of promoter TMTD, 1 part of antioxidant RD, 1 part of antioxidant 40201, 2 parts of protective wax, 0.5 part of antiscorching agent CTP, EB 12225 parts of Texas carbon black, 30 parts of high-dispersion white carbon black, 4 parts of silane coupling agent (Si69), 4 parts of CMoSSI wear-resisting agent, 5 parts of coumarone resin and 4 parts of aromatic oil.
The CMoSSI wear-resistant agent is a composition of graphite powder with the fineness of 1000 meshes, molybdenum disulfide with the fineness of 1000 meshes and a Si69 silane coupling agent, and the mass ratio of the three components is 75%/23%/2%.
The fabric canvas framework layer is formed by laminating four layers of NN500 dipped canvas after rubberizing.
The thickness of the upper covering glue layer is 6mm, and the thickness of the lower covering glue layer is 4 mm.
The embodiment provides a manufacturing method of an energy-saving wear-resistant fabric core conveying belt, which comprises the following steps:
(1) preparing an upper covering layer sizing material and a lower covering layer sizing material:
the sizing materials of the upper and lower covering glue layers comprise the following components in percentage by weight:
50 parts of tin coupling solution polymerized styrene-butadiene rubber (SSBR-SL 552), 20 parts of Natural Rubber (NR), 30 parts of butadiene rubber (BR 9000), 4 parts of zinc oxide, 3 parts of stearic acid, 1.5 parts of sulfur, 1 part of promoter CZ, 1 part of promoter TMTD, 1 part of antioxidant RD, 1 part of antioxidant 40201, 2 parts of protective wax, 0.5 part of antiscorching agent CTP, EB 12225 parts of Texas carbon black, 30 parts of high-dispersion white carbon black, 4 parts of silane coupling agent (Si69), 4 parts of CMoSSI wear-resisting agent, 5 parts of coumarone resin and 4 parts of aromatic oil.
Preparing the mixture into two-stage rubber compound with an upper rubber layer and a lower rubber layer:
1) plasticating natural rubber:
plasticating the natural rubber by using an internal mixer, wherein the rotor speed of the internal mixer is 40 r/min, the plasticating time is 180-;
2) preparing a CmoSSI wear-resistant agent:
putting graphite powder with the fineness of 1000 meshes and molybdenum disulfide with the fineness of 1000 meshes into a kneader, heating and stirring at the stirring speed of 350-400 r/min, heating to 40-60 ℃, spraying a Si69 silane coupling agent, continuously heating and stirring, and stirring at the temperature of 110-120 ℃ for 10-15 min to prepare the CMoSSI wear-resistant agent, wherein the mass ratio of the graphite powder/the molybdenum disulfide/the Si69 in the CMoSSI wear-resistant agent is 75%/23%/2%;
3) first-stage mixing:
firstly, plasticated natural rubber, styrene butadiene rubber and butadiene rubber are put into an internal mixer for mixing for 40-50 seconds, white carbon black, zinc oxide, an anti-aging agent, an anti-scorching agent and a silane coupling agent are put into the internal mixer, mixing is continued for 150-180 seconds, then carbon black, a CMoSSI wear-resistant agent, stearic acid, protective wax, aromatic oil and coumarone resin are put into the internal mixer for mixing for 150-180 seconds, the rubber discharge temperature is 140-150 ℃, sheets are taken out and cooled, a section of mixed rubber is prepared, and the mixed rubber is used after being placed for 8 hours;
4) and (3) second-stage mixing:
and (3) using an internal mixer for two-stage mixing, wherein the rotor speed of the internal mixer is 20 r/min, putting the first-stage rubber compound, sulfur, an accelerator into the internal mixer, mixing for 100-120 seconds, discharging the rubber at 90-100 ℃, discharging the sheet, cooling to obtain a second-stage rubber compound, and standing for 8 hours for use.
(2) Preparing a canvas rubberizing layer sizing material:
the canvas rubberizing layer rubber material is used for a common fabric core conveying belt;
(3) rubberizing a canvas:
hot-pasting canvas rubberizing layers and rubber materials on the upper surface and the lower surface of the rubberized canvas according to the thickness required by the process by a cold feed extruder and a four-roller calender;
(4) rolling out a sheet:
preparing upper and lower cover layer rubber sheets from the upper and lower cover layer rubber materials according to the thickness required by the process by using a cold feed extruder and a four-roll calender;
(5) forming a strip blank:
firstly, adhering rubberized canvas together according to the number of layers required by the process by an automatic tension forming machine, and then adhering the rubberized canvas to upper and lower covering layer films to prepare a belt blank;
(6) plate vulcanization:
and vulcanizing the belt blank into a finished product through a flat vulcanizing machine according to the pressure, temperature and time required by the process, namely the energy-saving wear-resistant fabric core conveying belt of the embodiment.
Example 2
The embodiment provides an energy-saving and wear-resistant fabric core conveying belt, which comprises a fabric canvas framework layer, a canvas adhesive layer, an upper covering adhesive layer and a lower covering adhesive layer, wherein the upper covering adhesive layer and the lower covering adhesive layer consist of the following components in percentage by weight:
50 parts of tin coupling solution polymerized styrene-butadiene rubber (SSBR-SL 552), 25 parts of Natural Rubber (NR), 25 parts of butadiene rubber (BR 9000), 5 parts of zinc oxide, 2 parts of stearic acid, 1.8 parts of sulfur, 1 part of promoter CZ, 0.8 part of promoter TMTD, 1.5 parts of anti-aging agent RD, 40201 parts of anti-aging agent, 1.5 parts of protective wax, 0.8 part of anti-scorching agent CTP, 12327 parts of Dessoza carbon black EB (EB), 28 parts of high-dispersion white carbon black, 3 parts of silane coupling agent (Si69), 5 parts of CMoSSI wear-resistant agent, 6 parts of coumarone resin and 3 parts of aromatic oil.
The CMoSSI wear-resistant agent is a composition of graphite powder with the fineness of 1000 meshes, molybdenum disulfide with the fineness of 1000 meshes and a Si69 silane coupling agent, and the mass ratio of the three components is 75%/23%/2%.
The fabric canvas framework layer is formed by laminating five layers of EP300 dipped canvas after rubberizing.
The thickness of the upper covering glue layer is 5mm, and the thickness of the lower covering glue layer is 3 mm.
The embodiment provides a manufacturing method of an energy-saving wear-resistant fabric core conveying belt, which comprises the following steps:
(1) preparing an upper covering layer sizing material and a lower covering layer sizing material:
the sizing materials of the upper and lower covering glue layers comprise the following components in percentage by weight:
50 parts of tin coupling solution polymerized styrene-butadiene rubber (SSBR-SL 552), 25 parts of Natural Rubber (NR), 25 parts of butadiene rubber (BR 9000), 5 parts of zinc oxide, 2 parts of stearic acid, 1.8 parts of sulfur, 1 part of promoter CZ, 0.8 part of promoter TMTD, 1.5 parts of anti-aging agent RD, 40201 parts of anti-aging agent, 1.5 parts of protective wax, 0.8 part of anti-scorching agent CTP, 12327 parts of Dessoza carbon black EB (EB), 28 parts of high-dispersion white carbon black, 3 parts of silane coupling agent (Si69), 5 parts of CMoSSI wear-resistant agent, 6 parts of coumarone resin and 3 parts of aromatic oil.
Preparing the mixture into two-stage rubber compound with an upper rubber layer and a lower rubber layer:
1) plasticating natural rubber:
plasticating the natural rubber by using an internal mixer, wherein the rotor speed of the internal mixer is 40 r/min, the plasticating time is 180-;
2) preparing a CmoSSI wear-resistant agent:
putting graphite powder with the fineness of 1000 meshes and molybdenum disulfide with the fineness of 1000 meshes into a kneader, heating and stirring at the stirring speed of 350-400 r/min, heating to 40-60 ℃, spraying a Si69 silane coupling agent, continuously heating and stirring, and stirring at the temperature of 110-120 ℃ for 10-15 min to prepare the CMoSSI wear-resistant agent, wherein the mass ratio of the graphite powder/the molybdenum disulfide/the Si69 in the CMoSSI wear-resistant agent is 75%/23%/2%;
3) first-stage mixing:
firstly, plasticated natural rubber, styrene butadiene rubber and butadiene rubber are put into an internal mixer for mixing for 40-50 seconds, white carbon black, zinc oxide, an anti-aging agent, an anti-scorching agent and a silane coupling agent are put into the internal mixer, mixing is continued for 150-180 seconds, then carbon black, a CMoSSI wear-resistant agent, stearic acid, protective wax, aromatic oil and coumarone resin are put into the internal mixer for mixing for 150-180 seconds, the rubber discharge temperature is 140-150 ℃, sheets are taken out and cooled, a section of mixed rubber is prepared, and the mixed rubber is used after being placed for 8 hours;
4) and (3) second-stage mixing:
and (3) using an internal mixer for two-stage mixing, wherein the rotor speed of the internal mixer is 20 r/min, putting the first-stage rubber compound, sulfur, an accelerator into the internal mixer, mixing for 100-120 seconds, discharging the rubber at 90-100 ℃, discharging the sheet, cooling to obtain a second-stage rubber compound, and standing for 8 hours for use.
(2) Preparing a canvas rubberizing layer sizing material:
the canvas rubberizing layer rubber material is used for a common fabric core conveying belt;
(3) rubberizing a canvas:
hot-pasting canvas rubberizing layers and rubber materials on the upper surface and the lower surface of the rubberized canvas according to the thickness required by the process by a cold feed extruder and a four-roller calender;
(4) rolling out a sheet:
preparing upper and lower cover layer rubber sheets from the upper and lower cover layer rubber materials according to the thickness required by the process by using a cold feed extruder and a four-roll calender;
(5) forming a strip blank:
firstly, adhering rubberized canvas together according to the number of layers required by the process by an automatic tension forming machine, and then adhering the rubberized canvas to upper and lower covering layer films to prepare a belt blank;
(6) plate vulcanization:
and vulcanizing the belt blank into a finished product through a flat vulcanizing machine according to the pressure, temperature and time required by the process, namely the energy-saving wear-resistant fabric core conveying belt of the embodiment.
Example 3
The embodiment provides an energy-saving and wear-resistant fabric core conveying belt, which comprises a fabric canvas framework layer, a canvas adhesive layer, an upper covering adhesive layer and a lower covering adhesive layer, wherein the upper covering adhesive layer and the lower covering adhesive layer consist of the following components in percentage by weight:
50 parts of tin coupling solution polymerized styrene-butadiene rubber (SSBR-SL 552), 30 parts of Natural Rubber (NR), 20 parts of butadiene rubber (BR 9000), 6 parts of zinc oxide, 1 part of stearic acid, 2 parts of sulfur, 1 part of promoter CZ, 0.5 part of promoter TMTD, 2 parts of antioxidant RD, 1 part of antioxidant 40201, 1 part of protective wax, 1 part of antiscorching agent CTP, and cabot carbon black CRXTM30 parts of high-dispersion white carbon black, 25 parts of silane coupling agent (Si69), 5 parts of CMoSSI wear-resisting agent, 7 parts of coumarone resin and 5 parts of aromatic oil.
The CMoSSI wear-resistant agent is a composition of graphite powder with the fineness of 1000 meshes, molybdenum disulfide with the fineness of 1000 meshes and a Si69 silane coupling agent, and the mass ratio of the three components is 75%/23%/2%.
The fabric canvas framework layer is formed by laminating six layers of EP200 dipped canvas after rubberizing.
The thickness of the upper covering glue layer is 4.5mm, and the thickness of the lower covering glue layer is 2 mm.
The embodiment provides a manufacturing method of an energy-saving wear-resistant fabric core conveying belt, which comprises the following steps:
(1) preparing an upper covering layer sizing material and a lower covering layer sizing material:
the sizing materials of the upper and lower covering glue layers comprise the following components in percentage by weight:
tin coupling type solution50 parts of polymerized styrene-butadiene rubber (SSBR-SL 552), 30 parts of Natural Rubber (NR), 20 parts of butadiene rubber (BR 9000), 6 parts of zinc oxide, 1 part of stearic acid, 2 parts of sulfur, 1 part of promoter CZ, 0.5 part of promoter TMTD, 2 parts of anti-aging agent RD, 1 part of anti-aging agent 40201, 1 part of protective wax, 1 part of anti-scorching agent CTP, and cabot carbon black CRXTM30 parts of high-dispersion white carbon black, 25 parts of silane coupling agent (Si69), 5 parts of CMoSSI wear-resisting agent, 7 parts of coumarone resin and 5 parts of aromatic oil.
Preparing the mixture into two-stage rubber compound with an upper rubber layer and a lower rubber layer:
1) plasticating natural rubber:
plasticating the natural rubber by using an internal mixer, wherein the rotor speed of the internal mixer is 40 r/min, the plasticating time is 180-;
2) preparing a CmoSSI wear-resistant agent:
putting graphite powder with the fineness of 1000 meshes and molybdenum disulfide with the fineness of 1000 meshes into a kneader, heating and stirring at the stirring speed of 350-400 r/min, heating to 40-60 ℃, spraying a Si69 silane coupling agent, continuously heating and stirring, and stirring at the temperature of 110-120 ℃ for 10-15 min to prepare the CMoSSI wear-resistant agent, wherein the mass ratio of the graphite powder/the molybdenum disulfide/the Si69 in the CMoSSI wear-resistant agent is 75%/23%/2%;
3) first-stage mixing:
firstly, plasticated natural rubber, styrene butadiene rubber and butadiene rubber are put into an internal mixer for mixing for 40-50 seconds, white carbon black, zinc oxide, an anti-aging agent, an anti-scorching agent and a silane coupling agent are put into the internal mixer, mixing is continued for 150-180 seconds, then carbon black, a CMoSSI wear-resistant agent, stearic acid, protective wax, aromatic oil and coumarone resin are put into the internal mixer for mixing for 150-180 seconds, the rubber discharge temperature is 140-150 ℃, sheets are taken out and cooled, a section of mixed rubber is prepared, and the mixed rubber is used after being placed for 8 hours;
4) and (3) second-stage mixing:
and (3) using an internal mixer for two-stage mixing, wherein the rotor speed of the internal mixer is 20 r/min, putting the first-stage rubber compound, sulfur, an accelerator into the internal mixer, mixing for 100-120 seconds, discharging the rubber at 90-100 ℃, discharging the sheet, cooling to obtain a second-stage rubber compound, and standing for 8 hours for use.
(2) Preparing a canvas rubberizing layer sizing material:
the canvas rubberizing layer rubber material is used for a common fabric core conveying belt;
(3) rubberizing a canvas:
hot-pasting canvas rubberizing layers and rubber materials on the upper surface and the lower surface of the rubberized canvas according to the thickness required by the process by a cold feed extruder and a four-roller calender;
(4) rolling out a sheet:
preparing upper and lower cover layer rubber sheets from the upper and lower cover layer rubber materials according to the thickness required by the process by using a cold feed extruder and a four-roll calender;
(5) forming a strip blank:
firstly, adhering rubberized canvas together according to the number of layers required by the process by an automatic tension forming machine, and then adhering the rubberized canvas to upper and lower covering layer films to prepare a belt blank;
(6) plate vulcanization:
and vulcanizing the belt blank into a finished product through a flat vulcanizing machine according to the pressure, temperature and time required by the process, namely the energy-saving wear-resistant fabric core conveying belt of the embodiment.
The test data for the above examples are shown in the following table:
Claims (8)
1. the utility model provides an energy-conserving wear-resisting resistant fabric core conveyer belt, includes fabric canvas casing ply, canvas rubberizing layer, coats the glue film on, covers the glue film down, its characterized in that: the upper covering glue layer and the lower covering glue layer consist of the following components in percentage by weight:
the anti-corrosion coating comprises, by weight, 250 parts of tin-coupled solution-polymerized styrene-butadiene rubber SSBR-SL 55250 parts, 20-30 parts of natural rubber NR, 900020-30 parts of butadiene rubber BR, 4-6 parts of zinc oxide, 1-3 parts of stearic acid, 1.5-2.0 parts of sulfur, 1.5-2.0 parts of an accelerator, 2-3 parts of an anti-aging agent, 1-2 parts of protective wax, 0.5-1 part of an anti-scorching agent CTP, 25-30 parts of low rolling resistance carbon black, 25-30 parts of high-dispersion white carbon black, 692-4 parts of a silane coupling agent Si, 4-6 parts of a CMoSSI wear-resistant agent, 5-7 parts of coumarone resin and 3-5 parts of aromatic oil.
2. The energy efficient, wear resistant, fabric core conveyor belt of claim 1, wherein: the promoter is a combination of a promoter CZ and a promoter TMTD.
3. The energy efficient, wear resistant, fabric core conveyor belt of claim 1, wherein: the anti-aging agent is a combination of an anti-aging agent RD and an anti-aging agent 4020.
4. The energy efficient, wear resistant, fabric core conveyor belt of claim 1, wherein: the low rolling resistance carbon black is selected from Degussa EB122, EB123 or cabot CRXTM1436.
5. The energy efficient, wear resistant, fabric core conveyor belt of claim 1, wherein: the CMoSSI wear-resistant agent is a composition of graphite powder with the fineness of 1000 meshes, molybdenum disulfide with the fineness of 1000 meshes and a Si69 silane coupling agent, and the mass ratio of the three components is 75%/23%/2%.
6. The energy efficient, wear resistant, fabric core conveyor belt of claim 1, wherein: the fabric canvas framework layer is formed by laminating a plurality of glued canvas layers, and the framework material is selected from nylon dipped canvas NN100-500 or polyester dipped canvas EP 100-500.
7. The energy-saving wear-resistant fabric core conveyor belt according to claim 1, wherein the upper covering glue layer has a thickness of 3-8mm, and the lower covering glue layer has a thickness of 1.5-4 mm.
8. The method of claim 1 for manufacturing an energy efficient and abrasion resistant fabric core belt, comprising the steps of:
(1) preparing an upper covering layer sizing material and a lower covering layer sizing material:
the sizing materials of the upper and lower covering glue layers comprise the following components in percentage by weight:
the anti-corrosion coating comprises, by weight, 250 parts of tin-coupled solution polymerized styrene-butadiene rubber SSBR-SL 55250 parts, 20-30 parts of natural rubber NR, 900020-30 parts of butadiene rubber BR, 4-6 parts of zinc oxide, 1-3 parts of stearic acid, 1.5-2.0 parts of sulfur, 1.5-2.0 parts of an accelerator, 2-3 parts of an anti-aging agent, 1-2 parts of protective wax, 0.5-1 part of an anti-scorching agent CTP, 25-30 parts of low rolling resistance carbon black, 25-30 parts of high-dispersion white carbon black, 692-4 parts of a silane coupling agent Si, 4-6 parts of a CMoSSI wear-resistant agent, 5-7 parts of coumarone resin and 3-5 parts of aromatic oil;
preparing the mixture into two-stage rubber compound with an upper rubber layer and a lower rubber layer:
1) plasticating natural rubber:
plasticating the natural rubber by using an internal mixer, wherein the rotor speed of the internal mixer is 40 r/min, the plasticating time is 180-;
2) preparing a CmoSSI wear-resistant agent:
putting graphite powder with the fineness of 1000 meshes and molybdenum disulfide with the fineness of 1000 meshes into a kneader, heating and stirring at the stirring speed of 350-400 r/min, heating to 40-60 ℃, spraying a Si69 silane coupling agent, continuously heating and stirring, and stirring at the temperature of 110-120 ℃ for 10-15 min to prepare the CMoSSI wear-resistant agent, wherein the mass ratio of the graphite powder/the molybdenum disulfide/the Si69 in the CMoSSI wear-resistant agent is 75%/23%/2%;
3) first-stage mixing:
firstly, plasticated natural rubber, styrene butadiene rubber and butadiene rubber are put into an internal mixer for mixing for 40-50 seconds, white carbon black, zinc oxide, an anti-aging agent, an anti-scorching agent and a silane coupling agent are put into the internal mixer, mixing is continued for 150-180 seconds, then carbon black, a CMoSSI wear-resistant agent, stearic acid, protective wax, aromatic oil and coumarone resin are put into the internal mixer for mixing for 150-180 seconds, the rubber discharge temperature is 140-150 ℃, sheets are taken out and cooled, a section of mixed rubber is prepared, and the mixed rubber is used after being placed for 8 hours;
4) and (3) second-stage mixing:
an internal mixer is used in the second-stage mixing, the rotor speed of the internal mixer is 20 r/min, the first-stage mixed rubber, sulfur, an accelerant are put into the internal mixer, the mixing is carried out for 120 seconds, the rubber discharge temperature is 90-100 ℃, the sheet is taken out and cooled, the second-stage mixed rubber is prepared, and the two-stage mixed rubber is used after being placed for 8 hours;
(2) preparing a canvas rubberizing layer sizing material;
(3) rubberizing the canvas;
(4) rolling out the sheet;
(5) molding a strip blank;
(6) and (4) vulcanizing the flat plate.
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| CN201911122899.3A CN110804227A (en) | 2019-11-16 | 2019-11-16 | Energy-saving wear-resistant fabric core conveying belt and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713264A (en) * | 2016-05-09 | 2016-06-29 | 郭秀珍 | Wear-resistant glove for electric power |
| CN110283367A (en) * | 2019-07-16 | 2019-09-27 | 无锡宝通科技股份有限公司 | Super abrasive conveyer belt coating rubber and preparation method thereof |
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2019
- 2019-11-16 CN CN201911122899.3A patent/CN110804227A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713264A (en) * | 2016-05-09 | 2016-06-29 | 郭秀珍 | Wear-resistant glove for electric power |
| CN110283367A (en) * | 2019-07-16 | 2019-09-27 | 无锡宝通科技股份有限公司 | Super abrasive conveyer belt coating rubber and preparation method thereof |
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Effective date of registration: 20200327 Address after: 235047 Longhu Industrial Park, Huaibei Economic Development Zone, Anhui, Huaihailu Road 157 Applicant after: ANHUI ZHONGYI RUBBER BELTS Co.,Ltd. Applicant after: SHANGHAI MEIKE DETECTION TECHNOLOGY Co.,Ltd. Address before: No. 157, Huaihai East Road, Longhu Industrial Park, Huaibei Economic Development Zone, Anhui Province Applicant before: ANHUI ZHONGYI RUBBER BELTS Co.,Ltd. |
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Application publication date: 20200218 |