335 results about "Natural rubber" patented technology

The high-performance insulation blanket comprises a surface layer, an EVA adhesive layer and a surface layer which are sequentially arranged, and the surface layer and the EVA adhesive layer are attached in a calendering mode; the surface layer is prepared from the following raw materials in parts by weight: 45 to 55 parts of ethylene-vinyl acetate copolymer, 10 to 20 parts of natural rubber, 8 to 18 parts of PA6 short fiber, 7 to 10 parts of dopamine modified mica powder, 6 to 10 parts of MAH-g-EVA, 10 to 15 parts of flame retardant, 0.2 to 0.4 part of antioxidant, 0.8 to 1.2 parts of lubricant and 2 to 4 parts of coloring agent. In the surface layer formula system, under the synergistic effect of the natural rubber, the PA6 short fiber and the dopamine modified mica powder, the tear resistance and puncture resistance of the material are greatly improved, and meanwhile, the material has excellent comprehensive properties such as high temperature resistance, insulation, flame retardance and aging resistance, and is suitable for the field of high-requirement insulation protection.

The invention discloses a bio-based flexible cementing material and a cold-mix asphalt mixture, and relates to the field of adhesives. The bio-based flexible cementing material comprises 80-85 wt% of a component A and 15-20 wt% of a component B, the component A comprises bio-based polyol, natural asphalt, natural rubber, a tackifier and a bio-based plasticizer according to a weight ratio of (160-180): (45-55): (75-85): (140-160): (380-410), and the component B is an isocyanate cross-linking agent. The bio-based flexible cementing material is used as a cementing material of a cold-mixed asphalt mixture, can be directly constructed at low temperature or normal temperature, does not need to be heated to improve the flowability, is convenient to construct, can form a stable skeleton structure through crosslinking, and can form a stable structure under the cooperation of natural rubber and natural asphalt. The bio-based flexible cementing material has both high temperature resistance and low temperature resistance, and the stability of a road structure can be improved.

The invention relates to the technical field of flame retardants, in particular to a preparation method of a bio-based environment-friendly flame retardant and flame-retardant modified natural rubber of the bio-based environment-friendly flame retardant. The preparation method comprises the following steps: selecting raw materials and carrying out an operation treatment reaction based on the selected raw materials, based on a selected raw material operation treatment reaction method, a polyhydroxy bio-based monomer is selected to react with a phosphorus-containing monomer to prepare a bio-based flame retardant; or a multi-amino bio-based monomer is selected to react with a phosphorus-containing monomer to prepare a bio-based flame retardant, and the prepared bio-based flame retardant is mixed with the natural rubber to prepare the flame-retardant natural rubber composite material, so that the flame-retardant property of the natural rubber is improved, and the mechanical property of the natural rubber is ensured not to be lost.

The invention relates to the technical field of breathable shoe soles, in particular to a breathable shoe sole structure and a using method thereof, and the breathable shoe sole structure comprises the following raw materials in parts by weight: 45-50 parts of butadiene rubber, 15-20 parts of natural rubber, 7-11 parts of butadiene styrene rubber and 7-10 parts of a processing aid. According to the breathable shoe sole structure, butadiene rubber, natural rubber and butadiene styrene rubber are adopted as matrixes, the processing aid is adopted as a functional aid for cooperation, meanwhile, the modified inserting agent and the modified nano whisker agent are added for blending and cooperation, the breathability, elasticity and wear resistance of a product are improved in a balanced mode, and the weather resistance and folding resistance stability of the product are remarkable.

The invention discloses a cold-drawing heat-setting high-elasticity cowhells belt composite material, and relates to the technical field of composite materials. The invention relates to a cold-drawing heat-setting high-elasticity cowhells belt composite material. The composite material is prepared from the following raw materials in parts by weight: 12 to 18 parts of nano calcium carbonate, 0.1 to 0.4 part of silane coupling agent KH-550, 30 to 40 parts of modified thermoplastic polyurethane, 18 to 22 parts of ethylene-vinyl acetate copolymer, 5 to 8 parts of natural rubber, 3 to 5 parts of diisononyl phthalate, 0.3 to 0.5 part of compound antioxidant, 0.2 to 0.4 part of ultraviolet light absorber UV-9, 6 to 8 parts of aramid short fiber and 0.2 to 0.5 part of zinc stearate. 10 to 15 parts of modified polyethylene terephthalate fiber, 0.2 to 0.3 part of graphene and 0.5 to 1.5 parts of organic silicon treatment liquid. According to the cold-drawing heat-setting high-elasticity cowhells belt composite material, a matrix is reinforced through modified thermoplastic polyurethane and modified polyethylene terephthalate fibers, and the strength is improved through aramid short fibers subjected to plasma pretreatment. Molecular orientation is optimized by a cold drawing and heat setting process, weather resistance is enhanced by an organic silicon coating, and good overall elasticity, high strength and excellent wear resistance and weather resistance are achieved.

The invention belongs to the technical field of chrysanthemum picking and collecting, and discloses a mature chrysanthemum picking and collecting device which comprises a picking plate frame, the outer wall of the end, close to the bottom, of the picking plate frame is fixedly connected with a hook-and-loop fastener bandage used for being connected to a human body, and the picking plate frame is provided with a picking part; the rotating handle is driven by the rotating turntable to rotate, so that the rotating handle slides in the arc angle groove in the rocking plate, the rocking plate and the toothed bar are driven to swing by taking the T-shaped shaft rod as the shaft point, the artificial leg is matched with the swing of the toothed bar to gradually advance in a step-lifting manner, the toothed bar can penetrate through the stalks of the chrysanthemums back and forth, and the mature chrysanthemums can be inserted into the toothed bar in a step-lifting manner. Flowers and plants can be rapidly separated, damage to petals is small, complete corollas can be reserved, and damage to the surfaces of chrysanthemum stalks can be avoided due to the fact that the rod body at one end of the toothed rod used for penetrating through a flower cluster is made of natural rubber.

The invention relates to the technical field of shoe materials, in particular to a high-elastic wear-resistant sports shoe material and a preparation method thereof, and the high-elastic wear-resistant sports shoe material comprises the following raw materials in parts by weight: 40-45 parts of a modified EVA body, 30-35 parts of natural rubber, 8-12 parts of a reinforcing agent, 8-12 parts of a nano-silver agent, 5-8 parts of zinc oxide, 3-5 parts of calcium stearate, 2-3 parts of an AC foaming agent, 2-3 parts of paraffin, 0.5-0.8 part of a cross-linking agent and 1-3 parts of an anti-aging agent. According to the sneaker material, the modified EVA body is matched with the natural rubber, and the zinc oxide, the calcium stearate, the AC foaming agent, the paraffin, the cross-linking agent and other raw materials are added to serve as functional auxiliaries, so that the prepared sneaker material can improve the elastic property and wear resistance of a product, can inhibit bacterium breeding and can improve the performance effect of the product.

The invention belongs to the field of sealing of electronic products, and particularly relates to a water-based sealant as well as a preparation method and application thereof. The water-based sealant contains a water-based acrylate emulsion, a water-based polyurethane emulsion, a natural rubber emulsion, a penetrant and a water-soluble chelating agent in a mass ratio of 100: (25-45): (5-20): (0.1-1): (1-5); the solid content of the water-based sealant is 60-65 wt%, and the viscosity of the water-based sealant at the temperature of 25 DEG C is 400-600 cps. The water-based sealant provided by the invention not only is good in environmental protection property, but also is high in bonding strength and good in sealing performance, and meanwhile, the water-proof sealing treatment can be carried out on electronic workpieces in batches, so that the production efficiency is high.

The invention relates to the bonding of one or more strands of Glass-Resin composite, abbreviated to "CVR", characterized in that it comprises the following steps: a) a step of pre-adhesion of one or more strands of CVR composite is carried out by dipping the strand(s) in a first aqueous bath comprising a composition based on: - an epoxy compound; and - a blocked diisocyanate compound; b) a step of deposition on the strand(s) of CVR composite is carried out by dipping the strand(s) of CVR composite in a second bath comprising an aqueous adhesive composition based on: - at least one compound A1, the compound A1 comprising at least one aldehyde function, - at least one phenol A21;- at least one unsaturated elastomer latex comprising at least one elastomer chosen from the group consisting of butadiene copolymers, styrene-butadiene copolymers, vinylpyridine-styrene-butadiene terpolymers, natural rubber with the exception of chlorinated natural rubber, and mixtures of these elastomers;The content of blocked diisocyanate compound in the aqueous adhesive composition of the second bath is at a mass rate strictly less than 0.50%.;

The application provides an isomerized eucommia elastomer and a preparation method and application thereof. The isomerized eucommia elastomer forms cis-isoprene structure in the molecular chain through self-isomerization reaction. By regulating the content of cis structure, the regulation of the regularity of the molecular chain is realized, so that the isomerized eucommia rubber no longer crystallizes at room temperature and exhibits high elasticity. Meanwhile, the suitable regularity enables the isomerized eucommia rubber to have self-reinforcing capacity and exhibit excellent mechanical strength. The application also provides a preparation method and application of the isomerized eucommia elastomer. The isomerization modification of the eucommia rubber is carried out by using a mercapto compound or a disulfide compound under the initiation of a free radical initiator. The high-performance isomerized eucommia rubber elastomer material obtained by the application does not change the original chemical structure and polarity of the eucommia rubber, has similar structure and performance to natural rubber, can make up for the problem of insufficient yield of natural rubber, and has wide application prospects in the fields of tires, conveyor belts, sealing rings, wearable devices and the like.

To provide a golf ball that rolls in a lowered distance on fairway wood shots.SOLUTION: A golf ball comprises a spherical core, an intermediate layer covering the spherical core, and an outermost cover positioned outside the intermediate layer and provided with a plurality of dimples. The spherical core is formed from a rubber composition containing a base rubber, a co-crosslinking agent, and a crosslinking initiator, the base rubber contains natural rubber, and in a surface area of a virtual sphere assumed to have no dimples on the outermost cover, an occupation ratio of a total area of the plurality of dimples is 45% or more and less than 75%.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of numerical control machining of aluminum alloy hubs, and discloses multi-axis numerical control turning and milling combined machining equipment for multi-axis linkage of aluminum alloy hubs, which comprises a numerical control turning and milling combined machining head, one end of the numerical control turning and milling combined machining head is fixedly connected with a shaft fixing chuck used for placing and connecting a machining workpiece, and the other end of the numerical control turning and milling combined machining head is fixedly connected with a spindle. A numerical control clamping and fixing part is arranged in the inner wall of the shaft fixing chuck and used for rigidly clamping and fixing a machined workpiece, a flexible clamping and fixing part is arranged in the inner wall of the shaft fixing chuck and used for flexibly clamping and fixing the machined workpiece, and a clamping calibration assembly is arranged in the flexible clamping and fixing part. Initial fixation is provided through cooperation of a slope clamp and a rubber filler strip, a rigid clamping layer is formed through feedback closed-loop control of an electric cylinder by a pressure sensor, a natural rubber ball body is embedded in a rubber sleeve, and a flexible compensation layer is formed by self-adaption to workpiece deformation and dynamic compensation vibration deviation under the suction action of an elastic corrugated pipe.

The invention relates to the technical field of natural rubber modification, in particular to a flexible long-chain chain extender as well as a preparation method and application thereof. The structural general formula of the flexible long-chain chain extender is A-[flexible chain segment]-A, wherein: the [flexible segment] is a polyether polyol chain or a polyester polyol chain having a number average molecular weight of 500 to 5000 g / mol; a is an isocyanate group or an anhydride group. The invention also provides a natural rubber flexible long chain extension modification method based on end group functionalization, which comprises the following steps: pretreating an alpha end group and / or an omega end group of natural rubber, and introducing a hydroxyl or carboxyl active group; and reacting the functionalized natural rubber with a flexible long-chain chain extender at 60-80 DEG C to realize extension and crosslinking of a molecular chain. According to the invention, the flexible long-chain chain extender is introduced, and a flexible buffer section is embedded between natural rubber molecular chains, so that the dynamic stress is effectively dispersed, and the inherent defects of the traditional rigid small-molecule chain extender are overcome.

The invention discloses a flexible dynamic processing system for natural rubber, which solves the problems of low manual sorting efficiency, large weighing error and low processing efficiency caused by non-uniform material forms in the traditional process, takes a control module as a center, identifies dried material forms and edge defects in real time by a visual detection module, and improves the quality of dried materials. The regular materials are hydraulically cut to obtain equal-width long strips, the equal-width long strips are cut into equal-length blocks through a fixed-length dicing mechanism after being turned by a first conveying roller with a guide baffle, and edge cut strips are conveyed to a second crushing section through a second sorting conveyor; irregular materials are directly subjected to first crushing. And the double crushed materials are fed back directionally corresponding to a weighing link, so that the density is consistent. According to the system, through dynamic cutting and directional recycling, material flexible machining and full-chain intelligent management and control are achieved, and the specification uniformity and the machining precision are improved.

The present application relates to the technical field of detection, and particularly relates to a method for measuring intrinsic viscosity of rubber by using chlorobenzene solution, comprising the following steps: obtaining initial mass of insoluble polymer sample; filtering solution of the sample to obtain mass of insoluble substance intercepted by filter medium; cleaning container of the sample of the solution and collecting cleaning liquid to obtain mass of container residue; determining real sol mass based on the mass of the residue, the mass of the insoluble substance and the mass of the container residue; and determining concentration of the solution based on the real sol mass and volume of the solution. The present application effectively solves the technical problem of large error in measuring intrinsic viscosity by using tetrahydrofuran solvent, and simultaneously provides an alternative scheme for evaluating quality of natural rubber.

The present invention relates to a cross-linkable rubber composition, a cross-linked rubber composition obtained by cross-linking such a rubber composition, a method of preparing a tyre and a tyre. The cross-linkable rubber composition comprises, per hundred parts by weight of rubber (phr): 100 phr of a blend of a natural rubber (NR), a polybutadiene rubber (BR), and first and second solution polymerized styrene-butadiene rubbers (SSBR), a silica filler, and a resin, wherein the rubber composition comprises: ≥ 5 phr to ≤ 30 phr of NR; ≥ 20 phr to ≤ 80 phr of BR; ≥ 5 phr to ≤ 40 phr of the first SSBR having a glass transition temperature Tg, determined by differential scanning calorimetry (DSC) according to ISO 22768, in a range of ≥ −30°C to ≤ 0°C; ≥ 10 phr to ≤ 50 phr of the second SSBR having a glass transition temperature Tg, determined by differential scanning calorimetry (DSC) according to ISO 22768, in a range of ≥ −120°C to ≤ −40°C; ≥ 5 phr to ≤ 25 phr of a first silica filler having a BET surface area in a range of ≥ 190 m2 / g to ≤ 320 m2 / g, determined according to ASTM D1993, and ≥ 75 phr to ≤ 200 phr of a second silica filler having a BET surface area in a range of ≥ 70 m2 / g to ≤ 100 m2 / g, determined according to ASTM D1993.

The utility model relates to the technical field of metal composite laminates, in particular to a composite metal laminate with high impact resistance, which comprises two aluminum alloy plate layers, polypropylene fiber reinforced layers are arranged between the two aluminum alloy plate layers, two polypropylene fiber reinforced layers are arranged between the two aluminum alloy plate layers, and the polypropylene fiber reinforced layers are arranged between the two aluminum alloy plate layers. Two natural rubber layers are arranged between the two polypropylene fiber reinforced layers, a thermoplastic polyurethane layer is arranged between the two natural rubber layers, and an ethylene-vinyl acetate copolymer adhesive layer is arranged between the aluminum alloy plate layer and the polypropylene fiber reinforced layers. An ethylene-acrylic acid copolymer adhesive layer is arranged between the natural rubber layer and the polypropylene fiber reinforced layer. According to the metal composite laminate, the composite metal laminate with high impact resistance is obtained on the premise that few metal layers are used and the machining difficulty is reduced.

The invention discloses an intelligent inspection method and device for a natural rubber park in hilly and mountainous regions, relates to the technical field of forestry and agricultural intelligent equipment, and solves the problems of low manual inspection efficiency and insufficient unmanned aerial vehicle under-forest monitoring of an existing rubber park. The device is based on a four-footed walking platform and is integrated with a navigation module, a data acquisition module and an insect pest situation detection module; according to the method, a comprehensive risk value is obtained through generation of an inspection route and a tree database, fusion positioning walking, RGB preliminary screening-hyperspectral fine inspection and multi-source data fusion, grading is performed, and a report is generated. The device can adapt to the gradient of 25-35 degrees, the positioning error is smaller than or equal to 5 cm, precise pest recognition and quantitative pest situation monitoring are achieved, autonomous homeward voyage is supported, and the inspection efficiency and precision are improved.

Disclosed is a method of manufacturing a sports floor component (200, 404), comprising:mixing (102) epoxidized natural rubber, ENR, a filler (700, 904, 1104, 1112) and imidazole or an imidazole derivate to provide a rubber composition;curing (106) the rubber composition to form a matrix of reversibly cross-linked ENR molecules incorporating the filler.

The utility model relates to the technical field of carpets, and discloses an anti-skid chenille tufted carpet, which comprises an anti-skid component and a disassembly component, the anti-skid component is arranged at the bottom of the disassembly component, the anti-skid component comprises a base fabric, a buffer pad is adhered to the bottom of the base fabric, an anti-skid pad is adhered to the bottom of the buffer pad, and the anti-skid pad is adhered to the bottom of the anti-skid component. A plurality of grooves are formed in the bottom of the non-slip mat, each groove is filled with sponge, the base cloth is made of terylene, the buffering mat and the base cloth are mutually pasted and fixed through glue, and the non-slip mat is made of natural rubber materials. Friction with the ground is increased through a buffering pad, an anti-skid pad and sponge, the overall anti-skid effect is improved, ground dust can be adsorbed, and meanwhile the overall buffering effect is improved; and through disassembly and assembly of the back lining, the back lining can be conveniently and independently taken out, the overall size and weight are reduced, and the tufting layer can be conveniently cleaned.

The application relates to the technical field of ABS particle preparation, and discloses an antibacterial ABS particle and a preparation method thereof, the antibacterial ABS particle comprising the following raw materials: ABS resin, anti-aging natural rubber, a flame retardant, a lubricant, an ultraviolet absorber, antibacterial halloysite nanotubes and an initiator; wherein the anti-aging natural rubber is prepared by reacting epoxidized natural rubber with 2-mercaptobenzimidazole; the antibacterial halloysite nanotubes are prepared by reacting halloysite nanotubes with isonicotinic acid, and then reacting with 8-bromo-1-octene. The antibacterial ABS particle prepared by the application has excellent impact resistance, toughness, anti-aging performance and antibacterial performance, can exert long-term antibacterial and anti-aging effects, can meet the application requirements in various environments, greatly expands the use field of the ABS particle, significantly prolongs the service life of the ABS particle, and can generate great economic benefits.

The present invention provides organic particles with high solvent resistance, which are made from a polymer having a main skeleton of cis-1,4-polyisoprene, a typical example of which is natural rubber. [Solution] A method for producing organic particles includes the steps of dissolving a polymer having cis-1,4-polyisoprene as a main skeleton in a solvent and carrying out a cyclization reaction to obtain a cyclized rubber having a cyclization rate of 60 to 90%, and suspension polymerizing the cyclized rubber and a vinyl monomer in the presence of water and a suspension stabilizer, wherein the polymer having cis-1,4-polyisoprene as a main skeleton has a Mooney viscosity [ML(1+4)100°C] specified in JIS K 6300 of 18 to 65, and the vinyl monomer contains a monofunctional vinyl monomer having only one vinyl group and a crosslinkable vinyl monomer having multiple vinyl groups.

The utility model relates to the technical field of dog chews, in particular to a functional dog chew capable of adsorbing bad breath, which comprises a dog chew main body, an air bag component arranged in the dog chew main body and filler components symmetrically arranged at the upper end and the lower end of the air bag component, an air bag assembly is detachably clamped in the center of the interior of the natural rubber cylinder; the long-acting breath freshening device has the advantages that the natural deodorization materials such as green tea extract, mint or spirulina are utilized, volatilized and released through extrusion of the air bag and directly act on the oral cavity, peculiar smell molecules are adsorbed or neutralized, and the long-acting breath freshening effect is achieved; the pressing plate is triggered to extrude the air bag through the occlusion action, air flows to the filler barrel in a one-way mode through the air conveying pipe, deodorization substances are pushed to be volatilized and released, and the linkage effect that deodorization is achieved through occlusion is achieved.

The present application relates to the technical field of shoe material, and particularly relates to a high-elastic wear-resistant sports shoe material and a preparation method thereof, which comprises the following raw materials in parts by weight: modified EVA body 40-45 parts, natural rubber 30-35 parts, reinforcing agent 8-12 parts, nano silver agent 8-12 parts, zinc oxide 5-8 parts, calcium stearate 3-5 parts, AC foaming agent 2-3 parts, paraffin 2-3 parts, crosslinking agent 0.5-0.8 parts and anti-aging agent 1-3 parts. The sports shoe material of the present application uses the modified EVA body in combination with the natural rubber, and adds the raw materials such as zinc oxide, calcium stearate, AC foaming agent, paraffin and crosslinking agent as functional additives, so that the prepared sports shoe material can improve the elastic performance and wear resistance of the product, and can inhibit the growth of bacteria, thereby improving the performance effect of the product.

A natural rubber based infill for artificial turf, the infill comprising biodegradable granules 19, the biodegradable granules comprising natural rubber that has been physically, rather than chemically, modified by the addition of an amount of a filler material, the biodegradable granules having an average size of 0.2 to 5 mm.

The utility model relates to a lithium battery internal structure integrity device based on vibration detection, the device comprises a test part, a positioning part and a protection part, the test part is composed of a test board, a base, a pillar, a cushioning pad, a vibration motor and a vibration sensor, the vibration motor adopts a linear vibration motor (50-500Hz) to drive the test board to vibrate, and the positioning part is arranged on the base. The cushioning pad is made of 8-15mm natural rubber so as to isolate external interference; the positioning part realizes self-adaptive fixation of the battery through an air cylinder and a positioning rubber block on the door frame type bracket; and the protection part adopts an electric push rod to drive a 8-12mm silica gel protection pad, so that the vibration displacement of the battery is prevented. According to the device, battery feedback signals are collected in real time through broadband vibration, the problems of looseness, breakage and the like in the battery can be accurately detected in combination with dynamic anti-interference design, and the device has the advantages of dynamic detection, self-adaptive positioning, high reliability and integration and is suitable for the field of lithium battery production and safety evaluation.

This invention discloses a durable, hydrophobic, and flame-retardant wood coating and its preparation method, belonging to the field of timber structure building protection. The wood coating of this invention is a two-layer system, comprising a flame-retardant primer and a hydrophobic topcoat. The flame-retardant primer uses tung oil modified from natural rubber via the Diels-Alder reaction as the film-forming matrix and biochar prepared from agricultural waste straw as a bio-based flame-retardant filler. The hydrophobic topcoat uses polydimethylsiloxane / nano-silica as the core functional component. This invention uses fully bio-based raw materials as its core, and the preparation process is simple and green. Through molecular structure modification and synergistic design of the two-layer system, the coating simultaneously possesses excellent hydrophobicity, flame retardancy and smoke suppression, UV stability, and long-term outdoor durability. After being applied to the wood surface, it can simultaneously solve the core pain points of wood's flammability, moisture absorption, and poor weather resistance, showing broad application prospects in the fields of modern timber structure buildings and the protection of traditional timber architectural heritage.

The invention relates to the technical field of thermoplastic rubber, and discloses high-strength thermoplastic rubber and a preparation method thereof. The preparation method comprises the following steps: reacting 2, 2-diphenylacetic acid with epoxy natural rubber, then reacting with carboxymethyl cellulose to obtain natural rubber grafted cellulose, and finally mixing the natural rubber grafted cellulose with SEBS, polyethylene wax and other assistants, calcium carbonate and other fillers to obtain the high-strength thermoplastic rubber. Cellulose of the grafted phenyl natural rubber has good compatibility with SEBS, the cellulose has a better reinforcing effect on SEBS thermoplastic rubber, meanwhile, the introduced natural rubber molecular chain is high in flexibility, the elongation at break of the thermoplastic rubber can be improved, and the rubber has excellent toughness while keeping high strength and high hardness.

The utility model discloses a cold aggregate conveyor belt which comprises support side plates on the two sides, a driving motor, a driving roller, a driven roller, a driven chain and belt plates, the driving roller and the driven roller are installed at the two ends of the support side plates and driven by the driving motor, the driven chain is connected with the driving roller and the driven roller, and the belt plates are flatly laid along the chain at equal intervals. The lifting cleaning mechanism comprises a mounting beam, an arch-shaped frame, a lifting device, a brush plate and bristles which are arranged on a side plate of the bracket. The mechanism can flexibly lift and clean the belt plate, effectively solves the problem of material residues, improves the conveying efficiency and the equipment stability, reduces the energy consumption and prolongs the service life. The belt plate is composed of a metal bottom plate, a polyester fiber grid cloth anti-tearing layer, a polyester canvas bearing layer, a polyurethane foam buffer layer and a natural rubber-butadiene styrene rubber wear-resisting layer, all the layers are connected in a specific mode, a partition plate is arranged on the chain belt plate, mechanisms for adjusting the position of the driven roller are arranged on the two sides of the support side plate, and the conveying quality and the system performance are further guaranteed.