CN116622132A - Ageing-resistant rubber plastic composite material and preparation method thereof - Google Patents
Ageing-resistant rubber plastic composite material and preparation method thereof Download PDFInfo
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- CN116622132A CN116622132A CN202310534509.3A CN202310534509A CN116622132A CN 116622132 A CN116622132 A CN 116622132A CN 202310534509 A CN202310534509 A CN 202310534509A CN 116622132 A CN116622132 A CN 116622132A
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- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 230000032683 aging Effects 0.000 title claims abstract description 29
- 229920001971 elastomer Polymers 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 10
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 10
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 10
- 229920001194 natural rubber Polymers 0.000 claims abstract description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 9
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims abstract description 9
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 7
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 7
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004917 carbon fiber Substances 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 73
- 238000001816 cooling Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 3
- 150000001993 dienes Chemical class 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- -1 polyethylene, ethylene propylene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000035882 stress Effects 0.000 abstract description 3
- 238000003878 thermal aging Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0837—Bismuth
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The application discloses an aging-resistant rubber plastic composite material and a preparation method thereof, which relate to the technical field of rubber materials and are prepared from the following raw materials in parts by weight: 90-120 parts of natural rubber, 80-110 parts of chlorinated polyethylene, 20-35 parts of ethylene propylene diene monomer rubber, 4-8 parts of nano titanium dioxide, 3-5 parts of carbon fiber and 4-6 parts of nano bismuth powder. The application takes natural rubber and chlorinated polyethylene as main materials, and endows the material with cold resistance and ageing resistance; the compatibility of the system is improved by adding the butyl rubber and the epoxy resin, and the system is synergistically reinforced among the components, so that the system has stronger mechanical strength, temperature resistance, weather resistance, corrosion resistance and ageing resistance; by adding the silane coupling agent Si-69, the product has higher physical and mechanical properties, can improve the tensile strength and the stretching stress of the product, and can also improve the thermal aging resistance of the product.
Description
Technical Field
The application relates to the technical field of rubber materials, in particular to an aging-resistant rubber plastic composite material and a preparation method thereof.
Background
When the working place where the rubber plastic composite material is located is in a severe environment, early aging of the product is easy to occur, particularly ozone aging performance is poor, a plurality of tiny cracks caused by ozone aging can occur on the surface of the product after the rubber plastic composite material is used in a short time in the working place, the product is frequently replaced, and extra use cost is increased for a user. In addition, in the process of producing the rubber plastic composite material, an extruder is generally adopted, the existing extruder can realize rapid heating, but when the extruder is stopped to be used, the extruder is not cooled, and waste heat can cause damage to equipment. Therefore, an aging-resistant rubber plastic composite material and a preparation method thereof are provided.
Disclosure of Invention
The application aims to provide an aging-resistant rubber plastic composite material and a preparation method thereof, wherein the aging resistance of the rubber plastic composite material is improved through the selection and proportioning of raw materials, and meanwhile, the extruder is convenient to be cooled rapidly, and waste heat is treated.
The aim of the application can be achieved by the following technical scheme:
the anti-aging rubber plastic composite material is prepared from the following raw materials in parts by weight: 90-120 parts of natural rubber, 80-110 parts of chlorinated polyethylene, 20-35 parts of ethylene propylene diene monomer rubber, 4-8 parts of nano titanium dioxide, 3-5 parts of carbon fiber, 4-6 parts of nano bismuth powder, 20-35 parts of butyl rubber, 6610-25 parts of nylon, 10-25 parts of epoxy resin, 10-20 parts of carbon black and 5-6910 parts of silane coupling agent Si.
As a further scheme of the application: a preparation method of an aging-resistant rubber plastic composite material comprises the following steps:
firstly, adding natural rubber, chlorinated polyethylene, ethylene propylene diene monomer rubber, nano titanium dioxide, carbon fiber, nano bismuth powder, butyl rubber, nylon 66, epoxy resin, carbon black and a silane coupling agent Si-69 into mixing equipment for mixing;
heating the inside of the extrusion cylinder through a heating rod and a heating plate, starting a rotating motor to drive a gear I and a gear II to rotate, and further driving an extrusion screw and the extrusion cylinder to rotate, wherein the extrusion screw mixes the raw materials and extrudes the raw materials to form a granular composite material;
and thirdly, placing the granular composite material piece on a cooling mechanism, rotatably cooling, and cooling and molding to finally obtain the finished composite material.
As a further scheme of the application: the mixing equipment comprises a box body, wherein an extrusion mechanism is arranged in the box body, a cutting mechanism is arranged at the end part of the box body, and a cooling mechanism is arranged below the cutting mechanism
The extrusion mechanism comprises a hollow end, a feeding funnel is arranged on the end, one end of the end is rotationally connected with an extrusion cylinder, two toothed rings II are symmetrically arranged on the outer surface of the extrusion cylinder, extrusion screws are arranged in the end and the extrusion cylinder, one end of each extrusion screw extends out of the end, and one end of each extrusion screw is sleeved with one toothed ring I;
the inside fixed mounting of box has the rotating electrical machines, fixed mounting has the transmission shaft on the output shaft of rotating electrical machines, cup jointed a gear I and two gears II on the transmission shaft, gear I is connected with the ring gear I through the chain, gear II is connected with the meshing of ring gear II.
As a further scheme of the application: the center department of extruding the screw rod has seted up hollow tank, the inside fixed mounting in hollow tank has many heating rods, the inside of hollow tank still fixed mounting has inlet tube and the linear type wet return that is the spiral setting, the sealing plug is installed to the tip in hollow tank, and inlet tube and wet return run through the sealing plug and be connected with the cold water tank.
As a further scheme of the application: the inside of the extrusion cylinder is of a hollow structure, a plurality of heating plates are embedded and installed in the extrusion cylinder, and two ventilation structures are symmetrically installed on the extrusion cylinder.
As a further scheme of the application: the ventilating structure comprises a spring fixedly installed in the hollow part of the extrusion cylinder, an arc-shaped sealing plate is fixedly installed at the bottom of the spring, a cooler is arranged below the ventilating structure, a telescopic pipe is fixedly installed on the cooler, a first cylinder is fixedly installed on the cooler, and the end part of a piston rod of the first cylinder is fixedly connected with one end of the telescopic pipe.
As a further scheme of the application: the cutting mechanism comprises a hollow disc, a second cylinder is fixedly arranged at the top of the disc, a piston rod of the second cylinder extends into the disc and is connected with a cutting knife, a die head is arranged below the cutting knife, a spiral channel is arranged in the disc, and a discharge hole is formed in the bottom of the disc.
As a further scheme of the application: the cooling mechanism comprises a fixed disk, wherein the fixed disk is of a hollow structure, a discharging through hole is formed in one side of the bottom of the fixed disk, a plurality of circular filter screens are arranged on the upper surface of the fixed disk, a ventilation pipe is fixedly arranged on one side of the fixed disk, the top of the fixed disk is rotationally connected with a rotating disk, a rotating shaft is fixedly arranged at the center of the bottom of the rotating disk, the rotating shaft penetrates through the fixed disk and is fixedly connected with a toothed ring III, and the toothed ring III is driven by a motor and a gear;
the rotary disk is hollow structure, the upper surface array of rotary disk is provided with a plurality of through-holes, a plurality of inlet ports have been seted up on the inner wall of through-hole, the inside fixed mounting of rotary disk has the center tube, the center tube runs through the axis of rotation, just a plurality of cooling tubes are installed to the equidistance on the outer peripheral face of center tube.
The application has the beneficial effects that:
the application takes natural rubber and chlorinated polyethylene as main materials, and endows the material with cold resistance and ageing resistance; the compatibility of the system is improved by adding the butyl rubber and the epoxy resin, and the system is synergistically reinforced among the components, so that the system has stronger mechanical strength, temperature resistance, weather resistance, corrosion resistance and ageing resistance; the silane coupling agent Si-69 is added, so that the product has higher physical and mechanical properties, the tensile strength and stretching stress of the product can be improved, the heat aging resistance of the product can be improved, and the compression permanent deformation and dynamic heat generating property can be reduced; the carbon black is used, so that sufficient physical and mechanical properties are provided for the product, and the wear resistance of the product is improved; the addition of the remaining materials makes it conductive.
The application is convenient to cool from outside and inside simultaneously by the arrangement of the ventilation structure and the water cooling circulation, has high cooling rate and avoids damage to the inside of the equipment caused by waste heat. Meanwhile, the cut particles fall into the through hole, the rotating shaft is driven to rotate through the toothed ring III, the rotating disc is driven to rotate, rotary material receiving is achieved, and in the process that raw materials rotate, the particles are comprehensively cooled through the bottom, the side surfaces and rotary natural wind, so that shaping is achieved.
Drawings
The application is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the overall structure of a kneading apparatus of the present application;
FIG. 2 is a schematic view showing the internal structure of the kneading apparatus of the present application;
FIG. 3 is a schematic elevational view of the extrusion mechanism of the present application;
FIG. 4 is a schematic view of the overall structure of the extrusion barrel of the present application;
FIG. 5 is a schematic view of the overall structure of the ventilation structure of the present application;
FIG. 6 is a schematic view of the overall structure of the cooling mechanism of the present application;
FIG. 7 is a schematic view of an isometric construction of a cooling mechanism of the present application;
FIG. 8 is a schematic view of the overall structure of the cutting mechanism of the present application;
fig. 9 is a schematic view of the internal structure of the extrusion barrel of the present application.
In the figure: 1. a case; 11. a feed hopper; 12. a vent hole; 2. a cutting mechanism; 3. a cooling mechanism; 21. a disc; 22. a second cylinder; 23. a cutting knife; 24. a die head; 25. a spiral channel; 26. a discharge port; 31. a fixed plate; 32. a rotating disc; 33. a through hole; 34. a filter screen; 35. a cooling tube; 36. a central tube; 37. a ventilation pipe; 38. a rotating shaft; 39. a toothed ring III; 310. a discharge through hole; 41. a rotating electric machine; 42. a first gear; 43. a water inlet pipe; 44. a water return pipe; 45. extruding a screw; 46. a sealing plug; 47. a first toothed ring; 48. an end head; 49. a second gear; 410. a transmission shaft; 411. an extrusion barrel; 412. a second toothed ring; 413. a cooling machine; 414. a telescopic tube; 415. a first cylinder; 416. a spring; 417. and (5) an arc-shaped sealing plate.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
The application relates to an aging-resistant rubber plastic composite material which is prepared from the following raw materials in parts by weight: 90-120 parts of natural rubber, 80-110 parts of chlorinated polyethylene, 20-35 parts of ethylene propylene diene monomer rubber, 4-8 parts of nano titanium dioxide, 3-5 parts of carbon fiber, 4-6 parts of nano bismuth powder, 20-35 parts of butyl rubber, 6610-25 parts of nylon, 10-25 parts of epoxy resin, 10-20 parts of carbon black and 5-6910 parts of silane coupling agent Si.
The application takes natural rubber and chlorinated polyethylene as main materials, and endows the material with cold resistance and ageing resistance; the compatibility of the system is improved by adding the butyl rubber and the epoxy resin, and the system is synergistically reinforced among the components, so that the system has stronger mechanical strength, temperature resistance, weather resistance, corrosion resistance and ageing resistance; by adding the silane coupling agent Si-69, the product has higher physical and mechanical properties, can improve the tensile strength and stretching stress of the product, can improve the heat aging resistance of the product, and can reduce the compression set and the dynamic heat generating property.
Example two
Please refer to fig. 1-9: a preparation method of an aging-resistant rubber plastic composite material comprises the following steps:
firstly, adding natural rubber, chlorinated polyethylene, ethylene propylene diene monomer rubber, nano titanium dioxide, carbon fiber, nano bismuth powder, butyl rubber, nylon 66, epoxy resin, carbon black and a silane coupling agent Si-69 into mixing equipment for mixing;
step two, firstly heating the inside of the extrusion barrel 411 through a heating rod and a heating plate, then starting a rotating motor 41 to drive a gear I42 and a gear II 49 to rotate, and further driving an extrusion screw 45 and the extrusion barrel 411 to rotate, wherein the extrusion screw 45 mixes the raw materials and extrudes the raw materials to form a granular composite material;
and thirdly, placing the granular composite material piece on a cooling mechanism 3, cooling in a rotary mode, and cooling and forming to finally obtain the finished composite material.
Example III
Mixing equipment includes box 1, set up ventilation hole 12 on the box 1, be convenient for ventilate the heat dissipation, the inside of box 1 is provided with extrusion mechanism, the tip of box 1 is provided with cutting mechanism 2, the below of cutting mechanism 2 is provided with cooling body 3.
The extrusion mechanism comprises a hollow end head 48, a feeding funnel 11 is arranged on the end head 48, one end of the end head 48 is rotatably connected with an extrusion barrel 411, two toothed rings II 412 are symmetrically arranged on the outer surface of the extrusion barrel 411, extrusion screws 45 are arranged in the end head 48 and the extrusion barrel 411, one end of each extrusion screw 45 extends out of the end head 48, and one end of each extrusion screw 45 is sleeved with one toothed ring I47;
the inside fixed mounting of box 1 has rotating electrical machines 41, fixed mounting has transmission shaft 410 on the output shaft of rotating electrical machines 41, cup joint a gear one 42 and two gears two 49 on transmission shaft 410, gear one 42 is connected with the ring gear one 47 through the chain, gear two 49 and ring gear two 412 meshing connection.
Firstly, raw materials are added into an end 48 through a feeding funnel 11, then a rotating motor 41 is started to drive a transmission shaft 410 to rotate, the transmission shaft 410 drives a first gear 42 and a second gear 49 to rotate, the first gear 42 drives a first gear ring 47 to rotate through a chain, the first gear ring 47 drives an extrusion screw 45 to rotate, conveying extrusion is further carried out, meanwhile, the second gear 49 drives a second gear ring 412 to rotate, and then the extrusion barrel 411 is driven to rotate, so that the raw materials are heated uniformly.
The center department of extrusion screw 45 has seted up the hollow tank, the inside fixed mounting in hollow tank has many heating rods, heats extrusion screw 45 through the heating rod, and then to the inside heating of extrusion barrel 411, the inside of hollow tank still fixed mounting has inlet tube 43 and the linear type wet return 44 that is the spiral setting, sealing plug 46 is installed to the tip in hollow tank, and inlet tube 43 and wet return 44 run through sealing plug 46 and are connected with the cold water tank. Through the setting of inlet tube 43 and wet return 44, be convenient for cool off extrusion screw 45 fast, set up the inlet tube 43 into the heliciform, the time of the cold water entering of being convenient for is prolonged, and the time of getting rid of hot water is shortened.
The inside of the extrusion barrel 411 is of a hollow structure, a plurality of heating plates are embedded and arranged in the extrusion barrel 411, the inside of the extrusion barrel 411 is heated by the heating plates, and two ventilation structures are symmetrically arranged on the extrusion barrel 411. By the cooperation of the extrusion barrel 411 and the extrusion screw 45, the raw materials are conveniently and rapidly heated.
The rotation rate of extrusion barrel 411 is different from extrusion screw 45. The inside fixed mounting of extrusion section of thick bamboo 411 has elastic component 418, the tip swing joint of elastic component 418 has arc 419, the one end of arc 419 and the inner wall swing joint of extrusion section of thick bamboo 411, through the setting of this structure, at the in-process that the mixture contacted with arc 419, can extrude elastic component 418, can promote the arc 419 to a certain extent when elastic component 418, and then drive the mixture vibration, the mixing effect is better.
Referring to fig. 4 and 5, the ventilation structure includes a spring 416 fixedly installed in a hollow portion of the extrusion barrel 411, an arc-shaped sealing plate 418 is fixedly installed at the bottom of the spring 416, a cooler 413 is disposed below a group of the ventilation structure, a telescopic pipe 414 is fixedly installed on the cooler 413, a first cylinder 415 is fixedly installed on the cooler 413, a piston rod end of the first cylinder 415 is fixedly connected with one end of the telescopic pipe 414, and a plurality of air inlet holes are formed in the end portion of the telescopic pipe 414, so that air inlet and heat dissipation are facilitated. Two arc closing plates 418, one inwards, one outwards, are convenient for form the passageway of airing exhaust, are convenient for dispel the heat, when not using, can play good sealedly, be convenient for heat. Starting the first cylinder 415 to drive the telescopic pipe 414 to ascend, contacting with the arc-shaped sealing plate 418, extruding the spring 416, then introducing cold air into the cooler 413, and pushing the other arc-shaped sealing plate 418 open under the action of wind force at the moment, so that the air flow is ensured, and the heat dissipation effect is better; when the cooling device stops working, the cooling device is matched with water cooling, so that the cooling can be performed on the inside and the outside simultaneously, and the cooling effect is improved.
The cutting mechanism 2 comprises a hollow disc 21, a second cylinder 22 is fixedly arranged at the top of the disc 21, a piston rod of the second cylinder 22 extends into the disc 21 to be connected with a cutting knife 23, a die head 24 is arranged below the cutting knife 23, a spiral channel 25 is arranged inside the disc 21, and a discharge opening 26 is arranged at the bottom of the disc 21. The second cylinder 22 is started to drive the cutter 23 to descend, so that the strip coming out of the die head 24 is cut off and falls onto the spiral channel 25 to be discharged, and the particles just coming out are easy to deform due to higher temperature, so that the particles are buffered through the spiral channel 25, and the deformation of the particles is avoided.
The cooling mechanism 3 comprises a fixed disk 31, the fixed disk 31 is of a hollow structure, a discharging through hole 310 is formed in one side of the bottom of the fixed disk 31, a plurality of circular filter screens 34 are arranged on the upper surface of the fixed disk 31, a ventilation pipe 37 is fixedly arranged on one side of the fixed disk 31, the top of the fixed disk 31 is rotationally connected with a rotating disk 32, a rotating shaft 38 is fixedly arranged at the center of the bottom of the rotating disk 32, the rotating shaft 38 penetrates through the fixed disk 31 and is fixedly connected with a toothed ring III 39, and the toothed ring III 39 is driven by a motor and a gear;
the rotary disk 32 is hollow structure, the upper surface array of rotary disk 32 is provided with a plurality of through-holes 33, a plurality of inlet ports have been seted up on the inner wall of through-hole 33, the inside fixed mounting of rotary disk 32 has center tube 36, center tube 36 runs through axis of rotation 38, just a plurality of cooling tubes 35 are installed to the equidistance on the outer peripheral face of center tube 36.
The cut particles fall into the through holes 33, the rotating shaft 38 is driven to rotate through the toothed ring III 39, the rotating disc 32 is driven to rotate, rotary material receiving is achieved, the cut particles are comprehensively cooled through the bottom, the side surfaces and rotary natural wind in the process of rotating raw materials, shaping is achieved, and finally the cut particles are discharged through the discharge through holes 310.
The working principle of the application is as follows: firstly, raw materials are added into an end 48 through a feeding funnel 11, then a rotating motor 41 is started to drive a transmission shaft 410 to rotate, the transmission shaft 410 drives a first gear 42 and a second gear 49 to rotate, the first gear 42 drives a first gear ring 47 to rotate through a chain, the first gear ring 47 drives an extrusion screw 45 to rotate so as to convey and extrude, meanwhile, the second gear 49 drives a second gear ring 412 to rotate so as to drive an extrusion barrel 411 to rotate, then the extrusion screw 45 is heated through a heating rod and the inside of the extrusion barrel 411 is heated through a heating plate, and the inside is heated simultaneously, so that rapid heating can be realized; meanwhile, the extrusion barrel 411 is convenient for the raw materials to be heated uniformly;
then, the second cylinder 22 is started to drive the cutting knife 23 to descend, so that the strip out of the die head 24 is cut off and falls onto the spiral channel 25 to be discharged, and the particles just coming out are easy to deform due to higher temperature, so that the particles are buffered through the spiral channel 25 to avoid deformation;
the cut particles fall into the through holes 33, the rotating shaft 38 is driven to rotate through the toothed ring III 39, the rotating disc 32 is driven to rotate, rotary material receiving is realized, the raw materials are comprehensively cooled through the bottom, the side surfaces and rotary natural wind in the process of rotating, shaping is realized, and finally the raw materials are discharged through the discharge through holes 310;
finally, when mixing is not performed any more, the first cylinder 415 can be started to drive the telescopic pipe 414 to ascend and contact with the arc-shaped sealing plate 418, the spring 416 is extruded, then cold air is introduced into the cooler 413, at the moment, the other arc-shaped sealing plate 418 is jacked up under the action of wind force, the flow of air is ensured, and the heat dissipation effect is better; when the cooling device stops working, the cooling device is matched with water cooling, so that the cooling can be performed on the inside and the outside simultaneously, and the cooling effect is improved.
The foregoing describes one embodiment of the present application in detail, but the description is only a preferred embodiment of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications within the scope of the present application are intended to be covered by the present application.
Claims (8)
1. The aging-resistant rubber plastic composite material is characterized by being prepared from the following raw materials in parts by weight: 90-120 parts of natural rubber, 80-110 parts of chlorinated polyethylene, 20-35 parts of ethylene propylene diene monomer rubber, 4-8 parts of nano titanium dioxide, 3-5 parts of carbon fiber, 4-6 parts of nano bismuth powder, 20-35 parts of butyl rubber, 6610-25 parts of nylon, 10-25 parts of epoxy resin, 10-20 parts of carbon black and 5-6910 parts of silane coupling agent Si.
2. The preparation method of the aging-resistant rubber plastic composite material is characterized by comprising the following steps of:
firstly, adding natural rubber, chlorinated polyethylene, ethylene propylene diene monomer rubber, nano titanium dioxide, carbon fiber, nano bismuth powder, butyl rubber, nylon 66, epoxy resin, carbon black and a silane coupling agent Si-69 into mixing equipment for mixing;
heating the inside of an extrusion cylinder (411) through a heating rod and a heating plate, starting a rotating motor (41), driving a gear I (42) and a gear II (49) to rotate, driving an extrusion screw (45) and the extrusion cylinder (411) to rotate, and mixing and extrusion molding the raw materials by the extrusion screw (45) to obtain a granular composite material;
and thirdly, placing the granular composite material piece on a cooling mechanism (3), cooling in a rotary mode, and cooling and forming to finally obtain the finished composite material.
3. The preparation method of the aging-resistant rubber plastic composite material according to claim 2, wherein the mixing equipment comprises a box body (1), an extrusion mechanism is arranged in the box body (1), a cutting mechanism (2) is arranged at the end part of the box body (1), and a cooling mechanism (3) is arranged below the cutting mechanism (2)
The extrusion mechanism comprises a hollow end head (48), a feeding funnel (11) is arranged on the end head (48), one end of the end head (48) is rotationally connected with an extrusion cylinder (411), two toothed rings II (412) are symmetrically arranged on the outer surface of the extrusion cylinder (411), extrusion screws (45) are arranged in the end head (48) and the extrusion cylinder (411), one end of each extrusion screw (45) extends out of the end head (48), and one end of each extrusion screw (45) is sleeved with one toothed ring II (47);
the novel electric box is characterized in that a rotating motor (41) is fixedly arranged in the box body (1), a transmission shaft (410) is fixedly arranged on an output shaft of the rotating motor (41), a first gear (42) and two second gears (49) are sleeved on the transmission shaft (410), the first gear (42) is connected with a first toothed ring (47) through a chain, and the second gears (49) are connected with a second toothed ring (412) in a meshed mode.
4. The method for preparing the aging-resistant rubber plastic composite material according to claim 3, wherein a hollow groove is formed in the center of the extrusion screw (45), a plurality of heating rods are fixedly arranged in the hollow groove, a water inlet pipe (43) and a linear water return pipe (44) which are spirally arranged are fixedly arranged in the hollow groove, a sealing plug (46) is arranged at the end part of the hollow groove, and the water inlet pipe (43) and the water return pipe (44) penetrate through the sealing plug (46) to be connected with a cold water tank.
5. The method for preparing the aging-resistant rubber plastic composite material according to claim 3, wherein the inside of the extrusion cylinder (411) is of a hollow structure, a plurality of heating plates are embedded and installed in the extrusion cylinder (411), and two ventilation structures are symmetrically installed on the extrusion cylinder (411).
6. The method for preparing the aging-resistant rubber plastic composite material according to claim 5, wherein the ventilation structure comprises a spring (416) fixedly installed in the hollow part of the extrusion cylinder (411), an arc-shaped sealing plate (418) is fixedly installed at the bottom of the spring (416), a cooler (413) is arranged below one group of the ventilation structures, a telescopic pipe (414) is fixedly installed on the cooler (413), a first cylinder (415) is fixedly installed on the cooler (413), and the end part of a piston rod of the first cylinder (415) is fixedly connected with one end of the telescopic pipe (414).
7. A method for preparing an aging-resistant rubber-plastic composite material according to claim 3, wherein the cutting mechanism (2) comprises a hollow disc (21), a cylinder two (22) is fixedly arranged at the top of the disc (21), a piston rod of the cylinder two (22) extends into the disc (21) to be connected with a cutting knife (23), a die head (24) is arranged below the cutting knife (23), a spiral channel (25) is arranged in the disc (21), and a discharge outlet (26) is arranged at the bottom of the disc (21).
8. The preparation method of the aging-resistant rubber plastic composite material according to claim 3, wherein the cooling mechanism (3) comprises a fixed disc (31), the fixed disc (31) is of a hollow structure, a discharging through hole (310) is formed in one side of the bottom of the fixed disc (31), a plurality of circular filter screens (34) are arranged on the upper surface of the fixed disc (31), a ventilation pipe (37) is fixedly arranged on one side of the fixed disc (31), a rotating disc (32) is rotatably connected to the top of the fixed disc (31), a rotating shaft (38) is fixedly arranged at the center of the bottom of the rotating disc (32), the rotating shaft (38) penetrates through the fixed disc (31) and is fixedly connected with a toothed ring III (39), and the toothed ring III (39) is driven by a motor and a gear;
the rotary disk (32) is hollow structure, the upper surface array of rotary disk (32) is provided with a plurality of through-holes (33), a plurality of inlet ports have been seted up on the inner wall of through-hole (33), the inside fixed mounting of rotary disk (32) has center tube (36), center tube (36) run through axis of rotation (38), just a plurality of cooling tubes (35) are installed to the equidistance on the outer peripheral face of center tube (36).
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