24results about How to "Improve vulcanization efficiency" patented technology

The belt joint vulcanization system comprises a lower machine frame, an upper machine frame is arranged at the top of the lower machine frame, a plurality of connecting clamping grooves are formed in the two sides of the lower machine frame and the two sides of the upper machine frame at equal intervals, and fixing connecting rods are arranged in the connecting clamping grooves. And the bottom ends of the fixed connecting rods are fixedly connected with bottom limiting bases, the middle upper portions of the bottom limiting bases are provided with middle supporting bases, and the tops of the fixed connecting rods are in threaded connection with locking heads. Normal vulcanization treatment operation of the connecting belt can be guaranteed, a worker can conduct parameter adjustment operation on matched equipment through the control module according to the on-site treatment condition, the stability of the vulcanization treatment process is guaranteed, meanwhile, the vulcanization treatment efficiency of the connecting belt can be improved, and the rate of defective goods can be reduced.

The invention discloses a shoe material and a preparation method thereof. The shoe material is prepared from the following raw materials in parts by weight: 15 to 25 parts of natural rubber, 30 to 45 parts of butadiene rubber, 18 to 24 parts of solution polymerized styrene-butadiene rubber, 8 to 15 parts of modified inorganic filler, 5 to 8 parts of lubricant, 5 to 10 parts of antioxidant, 2 to 5 parts of plasticizer, 3.5 to 6 parts of vulcanization accelerator, 2 to 4 parts of anti-aging agent and 15 to 25 parts of modified carbon fiber. By modifying the filler white carbon black and the carbon fiber, the compatibility and bonding strength among the white carbon black, the carbon fiber and the rubber base material are improved, so that the mechanical property, the tear resistance, the wear resistance, the skid resistance, the aging resistance, the corrosion resistance and the elasticity of the shoe material are remarkably improved.

The invention belongs to the field of medical rubber materials, and particularly relates to a vulcanization preparation process of a medical puncture-resistant rubber gasket. A vulcanization preparation process of a medical puncture-resistant rubber gasket comprises the following steps: S1, raw rubber raw material preparation: crushing and mixing raw rubber raw materials to be vulcanized into raw rubber powder, removing impurities, and sieving; the raw rubber raw materials comprise halogenated butyl rubber, polyisoprene rubber and epichlorohydrin rubber; s2, preparing a rubber compound; the preparation method comprises the following steps: preheating an internal mixer to 80-100 DEG C, adding 80-90 parts by weight of raw rubber powder into the internal mixer, and refining at 115-125 DEG C for 5-9 minutes; adding 12-22 parts by weight of a modified composite filler, 2-6 parts by weight of zinc oxide, 1-3 parts by weight of stearic acid, 3-8 parts by weight of a crosslinking auxiliary agent and 0.5-1.2 parts by weight of an anti-aging agent, and mixing for 18-22 min; s3, calendaring and sheet discharging: calendaring and molding the rubber compound obtained in the step (2) to obtain a rubber compound sheet; s4, prevulcanization: putting the rubber compound sheet calendered in the step (3) into a mold cavity of a press vulcanizer, and carrying out under-vulcanization production to obtain a preformed sheet; the preformed rubber sheet in the step (4) and an organic solvent are subjected to cleaning treatment and drying and then put into a vulcanization mold to be subjected to vulcanization forming, the rubber gasket is obtained, the vulcanization temperature ranges from 140 DEG C to 150 DEG C, and the vulcanization time ranges from 3 min to 7 min. In order to solve the problem that the use performance of a medical rubber gasket is affected due to the fact that the medical rubber gasket is needled to fall scraps and is poor in rebound resilience, the invention provides the vulcanization preparation process of the medical needling-resistant rubber gasket.

The invention discloses a vulcanization capsule and a tool for air spring capsule skin, the vulcanization capsule is of a hollow structure, an upper clamping edge is arranged at the upper end opening of the vulcanization capsule, a lower clamping edge is arranged at the lower end opening of the vulcanization capsule, the tool comprises the vulcanization capsule, an upper cover, a center rod, a clamping device and a fixing device, the upper cover and the upper end of the center rod are matched with the upper clamping edge to be used for sealing and limiting the upper end of the vulcanization capsule, the center rod penetrates through the interior of the vulcanization capsule, the lower end of the center rod is connected with the fixing device, and the clamping device and the fixing device are matched with the lower clamping edge to be used for sealing and limiting the lower end of the vulcanization capsule. And a closed cavity is formed in the curing bladder. The vulcanizing machine is suitable for vulcanizing the air spring capsule skin, can break through the restrictions of the vulcanizing capsule structure and the service life, and improves the vulcanizing quality and efficiency of the air spring.

This invention discloses a EPDM rubber and its preparation method, comprising copolymerizing the EPDM rubber from a first structural unit provided by ethylene, a second structural unit provided by propylene, and a third structural unit provided by a polyene monomer. This invention achieves precise control of the molecular structure of the EPDM rubber by introducing a polyene monomer with a specific structure as the third monomer, and combining it with a restricted geometry catalyst or a vanadium-based catalyst, thereby improving the uniformity of the copolymer and the vulcanization efficiency. The resulting rubber exhibits a narrow molecular weight distribution, suitable Mooney viscosity, and good processing properties, making it suitable for high-performance rubber products. The preparation method is simple, environmentally friendly, and easy to industrialize.

The invention relates to the technical field of battery heat insulation films, in particular to a hot-pressing vulcanization and film covering all-in-one machine for battery heat insulation films, which comprises a base, a processing box is fixedly mounted on the base, a silica gel frame is placed in the processing box, conveying mechanisms are symmetrically arranged on the inner wall of the processing box, and a film covering mechanism is arranged in the processing box. A pre-pressing mechanism and a vulcanizing mechanism are arranged on the outer side of the processing box, and the upper end of the processing box communicates with a rectangular material pipe used for feeding aerogel pieces. The film laminating mechanism is arranged, a horizontal sliding rail and a driving lead screw are used for driving a sliding platform and a silica gel frame to move synchronously, a rectangular pressing head is driven by an electric telescopic rod to complete jacking, cutting and hot-pressing attaching, the silica gel frame does not need to be stopped in the whole process, it can be guaranteed that a film and a window are accurately aligned, and the efficiency bottleneck of a traditional attaching stopping technology is avoided; in addition, cutting and attaching are integrated, the equipment structure is effectively simplified, and the production continuity and the automation degree are improved.

The invention relates to the technical field of tire manufacturing, in particular to application of micro-nano reclaimed rubber in preparation of solid tire core rubber or solid tire crown rubber. Compared with solid tire crown rubber and solid tire core rubber prepared by using a traditional tire reclaimed rubber technology, the micro-nano reclaimed rubber is introduced into the solid tire crown rubber or solid tire core rubber formula, so that the Mooney viscosity of the solid tire crown rubber and the solid tire core rubber is remarkably reduced; meanwhile, the energy consumption caused by the use of TRR in the preparation process is also effectively reduced, the environmental pollution is greatly reduced, and particularly, the generation of wastewater is remarkably reduced.

The invention discloses an automatic vulcanizing device for producing textile rubber rings, which belongs to the field of textile technology. The device comprises a base, a vulcanizing assembly is connected to one side of the upper end of the base, a sliding block is driven by a first driving motor to move along a first rectangular slide groove toward a lower vulcanizing mold, when a first circular grinding roller contacts the surface of the lower vulcanizing mold, the textile rubber ring moves from the circular placement groove to the annular grinding cavity, and then the second driving motor is started to rotate the annular grinding roller in the opposite direction to the first circular grinding roller, so that a clockwise rotation force is generated on the inner side of the textile rubber ring and a counterclockwise rotation force is generated on the outer side, so that the textile rubber ring remains stationary in the annular grinding cavity, and then the inner and outer sides of the textile rubber ring are simultaneously polished, and the polishing operation of the textile rubber ring is improved, thereby improving the production efficiency of the textile rubber ring, and the vulcanized textile rubber ring is automatically discharged, thereby improving the vulcanization efficiency of the textile rubber ring.

A rubber roller vulcanization device includes a wiring pipe, a first insulation layer is sleeved on the outer side of the wiring pipe, a first heating layer is coated on the outer side of the first insulation layer, a first heating device is arranged in the first heating layer, a first temperature-averaging layer is coated on the outer side of the first heating layer, a second temperature-averaging layer is sleeved on the outer side of the first temperature-averaging layer, and a cavity is formed by a gap between the second temperature-averaging layer and the first temperature-averaging layer, wherein a temperature-averaging mold is arranged in the cavity, a through hole is arranged along the axial direction of the temperature-averaging mold, and the temperature-averaging mold has a heat-conducting temperature-averaging layer. Temperature control can be achieved, heat is transmitted through the first temperature-averaging layer and the second temperature-averaging layer, and the rubber roller is wrapped with the temperature-averaging mold. Heat is directly contacted and transferred to the vulcanized rubber roller surface through the temperature-averaging mold, so that the rubber surface is heated evenly and the heat conduction efficiency is high. The first insulation layer and the second insulation layer can reduce heat loss, have high thermal conductivity, high energy consumption efficiency, high heat transfer efficiency, uniform temperature, and improve the vulcanization quality.

The air vulcanizing tank comprises a tank body, a plurality of placing assemblies are arranged on the inner side face of the tank body, a uniform heat dissipation mechanism is arranged in the tank body along the central axis of the tank body, the uniform heat dissipation mechanism comprises a flange plate fixedly connected to the inner side face of the tank body, and the flange plate is fixedly connected with an outer column cavity. A plurality of placing assemblies are arranged on the inner side face of the tank body, an outer column cavity is arranged in the outer column cavity, a plurality of heat dissipation holes are evenly formed in the arc side face of the outer column cavity, a heating spiral net is arranged in the outer column cavity, and an air blowing mechanism is arranged in the outer column cavity. After being heated by the heating spiral net, the rubber products are uniformly blown to the rubber products in the placing assembly, so that the rubber products are uniformly heated, meanwhile, the internal space of the tank body is fully utilized, the number of the rubber products which can be vulcanized at a time is increased, the vulcanization quality and the vulcanization efficiency of the device are greatly improved, and the device is simple and efficient in structural arrangement and low in cost. And popularization and use are facilitated.

The utility model provides safety shoe sole vulcanizing equipment which comprises a vulcanizing machine and at least two lower mold cavities arranged on a working table of the vulcanizing machine, the lower mold cavities are movably arranged on the working table of the vulcanizing machine, a movable platform is arranged on the working table, the lower mold cavities are arranged on the movable platform, and the movable platform can drive the lower mold cavities to move. According to the utility model, the at least two lower die cavities can be driven to move through the moving platform, so that the process of vulcanizing and shaping products in the lower die cavities or taking out the shaped products can be conveniently realized without shutdown, the production efficiency is greatly improved, and unnecessary energy waste is avoided.

The invention discloses a tire full-nitrogen vulcanizing device and process, and relates to the field of tire vulcanizing technology.The tire full-nitrogen vulcanizing device comprises a vulcanizing device body, the vulcanizing device body comprises a first conveying belt, a second conveying belt, a temporary storage plate, a workbench, a first moving part, a vulcanizing part and a conveying assembly, and the second conveying belt is located at the output end of the first conveying belt; the workbench is located between the first conveying belt and the second conveying belt, the temporary storage plate is fixedly connected to the side, close to the workbench, of the first conveying belt, a second moving part is arranged on the side, in the width direction, of the workbench, a lifting part is arranged on the second moving part, a supporting plate is arranged at the upper end of the lifting part, and the lifting part drives the supporting plate to ascend and descend in the vertical direction. The first moving part, the vulcanizing part and the conveying assembly are all connected with the supporting plate, the first moving part is located on the side, close to the first conveying belt, of the supporting plate, the conveying assembly is located on the side, close to the second conveying belt, of the supporting plate, and the vulcanizing part is located between the first moving part and the conveying assembly. The tire vulcanizing device has the effect of improving the tire vulcanizing efficiency.

The invention relates to the technical field of aviation rubber product forming processing, in particular to a multi-channel small-caliber rubber adapter forming device and method.The device mainly comprises an upper die, a middle die, a lower die, a mold core and a die core, and a multi-channel small-caliber rubber adapter formed through the device and method is good in appearance, accurate in size and good in sealing performance. Meanwhile, the labor intensity of workers is greatly reduced in the production process.

The invention discloses an insulating material for ultrahigh-voltage cable accessories, and belongs to the technical field of cable accessory materials. The insulating material for the ultrahigh-voltage cable accessory comprises the following raw material components: a rubber base material, a filler composition for adjusting the volume resistivity of the insulating material, an activating agent, zinc oxide, an accelerant composition and a vulcanizing agent composition, wherein the rubber base material is ethylene propylene diene monomer; the filler composition can be prepared from the following components in parts by weight: 40 to 55 parts of filling material, 4 to 5 parts of carbon nano tube and 0.5 to 1 part of graphite micro powder; the filler composition can also comprise the following components in parts by weight: 50-65 parts by mass of a filling material, 2-3 parts by mass of nano zinc oxide and 16-18 parts by mass of copper calcium titanate.

The invention relates to a high-toughness ethylene propylene diene monomer cooling water pipe formula which comprises the following components in parts by weight: 80-120 parts of ethylene propylene diene monomer blend rubber, 0.5-1.5 parts of stearic acid, 8-15 parts of an active agent, 0.5-1.5 parts of an anti-aging agent, 3-7 parts of an auxiliary agent, 70-100 parts of carbon black, 25-40 parts of a functional reinforcing agent, 12-20 parts of a softening agent and 4-7 parts of a cross-linking agent. Weighing the raw materials in parts by weight; step S2, glue mixing; the method has the advantages that many factors such as internal lubricity, ductility, toughness, vulcanization sufficiency and the like of rubber which affect rubber pipe depoling and elbow cracking during depoling are greatly improved, and the problems that the EPDM cooling water pipe is difficult to depoling and easy to crack during depoling are solved.

The invention relates to the technical field of halogen-free flame-retardant and aging-resistant cable materials, discloses a halogen-free flame-retardant and aging-resistant cable material and a preparation method thereof, comprising the following steps: adding ethylene propylene diene monomer rubber, polyolefin elastomer, chloroprene rubber, zinc oxide, magnesium oxide, flame retardant and antioxidant, carbon black, terpene resin and paraffin oil to an internal mixer in sequence, mixing to obtain a masterbatch; adding the masterbatch, 1,4-bis(tert-butylperoxyisopropyl)benzene and a cross-linking aid to an open mixer in sequence, mixing, sheeting and vulcanizing to obtain the halogen-free flame-retardant and aging-resistant cable material. In parts by mass, the ingredients include 80‑100 parts of EPDM rubber, 35‑40 parts of polyolefin elastomer, 7‑8 parts of chloroprene rubber, 7‑8 parts of zinc oxide, 4‑5 parts of magnesium oxide, 5‑20 parts of flame retardant and antioxidant, 80‑90 parts of carbon black, 15‑18 parts of terpene resin, 8‑12 parts of paraffin oil, 3‑4 parts of 1,4-bis(tert-butylperoxyisopropyl)benzene, and 4‑6 parts of crosslinking aid.

The invention relates to the field of formula processing of high polymer materials, in particular to a fatigue-resistant low-temperature-resistant elastic material and a preparation method thereof, and the elastic material comprises the following components: 80-95 parts of chloroprene rubber with ultralow crystallization rate; 5-20 parts of eucommia ulmoides rubber; 3-5 parts of zinc oxide; 3-5 parts of magnesium oxide; 1-2 parts of stearic acid; 10 to 30 parts of carbon black; 5-25 parts of white carbon black; 10 to 25 parts of a compound plasticizer; 5 to 15 parts of uniform resin; 1.5 to 3 parts of a compound accelerant; 2-5 parts of an anti-aging agent; 0.5-1 part of a vulcanizing agent; according to the invention, the chloroprene rubber with ultralow crystallization rate and the self-made eucommia ulmoides rubber are combined for use, a plurality of components such as the compound plasticizer are combined to form a synergistic effect, and a specific charging sequence is adopted in the preparation process, so that the fatigue resistance and low temperature resistance of the elastic material can be improved at the same time, and the service life of the rubber air bag is prolonged.

The invention belongs to the technical field of railway turnout fasteners, and provides a high-strength low-rigidity rubber elastic base plate under an iron base plate and a preparation method thereof. The rubber composition comprises the following raw materials in parts by weight: 65-75 parts of natural rubber, 25-35 parts of butadiene rubber, 38-46 parts of carbon black, 22-28 parts of white carbon black, 5-7 parts of zinc oxide, 2-4 parts of stearic acid, 3-5 parts of an anti-aging agent, 2-6 parts of a coupling agent, 1-3 parts of microcrystalline wax, 3-5.4 parts of an accelerant and 1-3 parts of masterbatch S-80. The coupling agent is prepared from the following components in parts by weight: 1 to 3 parts of 3-octanoylthio-1-propyltriethoxysilane and 1 to 3 parts of ethyltrimethoxysilane. By means of the method, the production cost of the elastic base plate is reduced, and meanwhile the elastic base plate has the advantages of being high in strength and low in rigidity.

The utility model relates to the technical field, and provides a rubber sealing ring vulcanizing device which comprises a vulcanizing box, a vulcanizing cavity is formed in the inner bottom end of the vulcanizing box, a heating assembly is arranged at the bottom end of the vulcanizing cavity and used for heating a rubber sealing ring, and a plurality of placing assemblies are arranged at the upper end of the heating assembly and used for placing the rubber sealing ring in the vulcanizing cavity. The rubber sealing ring placing device comprises a plurality of placing assemblies and a heating assembly, the placing assemblies are used for placing a rubber sealing ring, the placing assemblies are annularly arrayed at the upper end of the heating assembly, a fixing assembly is arranged at the upper ends of the placing assemblies and used for fixing the rubber sealing ring, and a first lifting assembly is arranged outside the fixing assembly and used for lifting the fixing assembly. And a second transmission assembly is arranged on the left side of the first lifting assembly and used for conducting auxiliary lifting on the fixing assembly, and a vulcanization controller is fixedly connected to the right end of the vulcanization box, so that multiple rubber sealing rings can be placed on the device at a time, and the vulcanization efficiency of the device is improved.

The invention provides a forming mold for producing a damping block and a using method of the forming mold, and belongs to the technical field of damping block molds. The mold assembly comprises a first half mold and two second half molds, the first half mold is fixedly connected into the concentric-square-shaped plate, and the two second half molds are arranged on the two sides of the surface of the first half mold correspondingly; the pressing plate is connected into the first half mold in a sliding manner; the constant-temperature channel assembly comprises a first heat conduction channel, a second heat conduction channel, a sleeve and a connecting pipe, and the first heat conduction channel is fixedly connected into the first half mold; by means of the scheme, heat preservation treatment is conducted on the damping block in the forming process of the damping block, and the problems that the service life of a mold is shortened and the quality of the damping block is unstable due to the fact that the temperature of the mold and the damping block rises suddenly are solved.

The utility model discloses a waste tire prevulcanization device which comprises a tank body, a hanging bracket which is distributed along the length direction of the tank body and is used for hanging and stabilizing a tire body is arranged at the upper part in the tank body, and a plurality of blowing discs which respectively correspond to two sides of the tire body H are arranged in the tank body. The side, facing a tire body, of each blowing disc is provided with an annular blowing cover, the other side of each blowing disc is communicated with a channel pipe set, hot air dispersed in the tank body is sucked in a centralized mode through the air suction holes, then the hot air is evenly distributed and conveyed to each blowing disc under the cooperation of the air conveying pipe and the channel pipe set, and under the action of air pressure, the hot air in the tank body is blown out. The blowing disc can carry out continuous and targeted drying and blowing on the radial surface of the tire through the annular blowing cover and the air holes, so that the vulcanization rate of the tire is increased, hot air flow in the tank forms a reasonable internal circulation system through the matched design, the vulcanization quality and the vulcanization efficiency of the tire are improved, and the service life of the tire is prolonged. And meanwhile, the energy loss of operation is also reduced.

The utility model discloses a rubber production vulcanization mechanism, include: mechanism base, mechanism shell and longitudinal displacement power shell, the utility model relates to rubber processing equipment technical field, this mechanism through the vulcanization coupling structure of down -pressing type, has realized the efficient vulcanization of rubber raw material in mechanism shell: through vertical pressure technology ensures that the rubber compound is heated evenly, significantly improves the vulcanization efficiency, after vulcanization, the equipment can switch to refrigeration mode quickly, utilizes the minimum material displacement and realizes the cooling solidification, and the seamless connection of this hot -cold technology has three big advantages: first, shortens the vulcanization -cooling conversion period, and production efficiency can be promoted, second, avoids the product deformation risk caused by traditional handling, third, through accurate temperature control strengthens rubber molecular crosslinking structure, and the finished product physical performance index (such as tensile strength, resilience) is greatly promoted, especially suitable for the stable production of high -precision rubber products.

The present invention relates to an engineering tire, in particular to a full styrene-butadiene rubber tread composition for hard mining areas and a mixing process thereof and a mining tire, comprising the following components in parts by weight: 100 parts of styrene-butadiene rubber; 59-66 parts of reinforcing agent; 3-6 parts of zinc oxide; 1.5-3 parts of stearic acid; 3-6 parts of antioxidant; 2-5 parts of tackifier; 5-10 parts of oil; 0-2 parts of tear-resistant resin; 1-1.5 parts of vulcanizing agent; 1.2-2.5 parts of mixing accelerator; 0.1-0.4 parts of scorch retarder. Compared with the prior art, the present invention solves the defects of short tread life, poor cutting resistance, flower collapse, high heat generation, etc. of mining tires in the prior art. The present solution realizes mining tires with full styrene-butadiene rubber as the raw rubber system, ensuring its cutting resistance, flower collapse resistance and low heat generation.