799 results about "Tire manufacturing" patented technology

The invention provides a tire vulcanization process prediction optimization control method and system based on process constraints, and relates to the technical field of tire intelligent manufacturing control, and the method comprises the steps: employing a hierarchical prediction collaborative optimization control framework to achieve multivariable collaborative rolling control of vulcanization dynamic characteristics and external temperature disturbance; the method comprises the following steps: constructing a neural network fusing vulcanization dynamics and process constraints in an upper-layer offline stage, generating a reference temperature track with optimality and physical feasibility, and providing a feasible initial solution for a lower-layer tracking layer; and then in a lower-layer online control stage, a sparse Bayesian learning device is driven through an event triggering mechanism to update the coupling model online, then a feed-forward compensator rapidly analyzes a control instruction according to the model, a steam valve is directly adjusted, coupling interference is counteracted in advance, temperature disturbance can be effectively restrained, and system robustness is improved.

The invention relates to the technical field of tire manufacturing, and discloses an early warning control method and system for preventing sidewall wear-resistant rubber from being folded, the method is based on dynamic time warping and multi-modal data fusion analysis, multi-modal data such as sidewall wear-resistant rubber pressure distribution, temperature gradient and vibration signals are collected, and after denoising and feature extraction, the sidewall wear-resistant rubber is subjected to early warning control. And calculating the similarity with a standard deformation mode, and constructing a graph neural network model to evaluate the deformation risk probability. Self-adaptive early warning rules are generated through reinforcement learning, and whether early warning is conducted or not is monitored and judged in real time. And if the early warning is triggered, adjusting parameters of the sidewall forming machine, recording data, updating the standard deformation mode library, and iteratively optimizing the graph neural network model. The method can accurately monitor the risk, timely control and adjust, continuously optimize the model, effectively prevent the sidewall wear-resistant rubber from being folded, improve the tire production quality and efficiency, and reduce the production cost.

The invention discloses a car tire building drum error analysis method and system, and relates to the technical field of data processing, and the method comprises the steps: collecting technological parameter data in a tire building process in real time through a plurality of sensor combinations, and carrying out the preprocessing of the collected data; based on the preprocessed data, characteristic parameters corresponding to the tire building drum error are extracted through a signal processing technology; based on the extracted characteristic parameters, using a data mining technology and a machine learning algorithm to analyze a relationship between each process parameter and a geometric error of the forming drum, constructing an error analysis model, using the error analysis model to carry out error prediction, feeding back a prediction result to production equipment in real time, and adjusting the corresponding process parameters; the car tire building drum error analysis system comprises a data acquisition module, a data transmission module and an algorithm module. An efficient, intelligent and accurate solution is provided for tire building drum error analysis, and intelligent and lean production development of the tire manufacturing industry is promoted.

The utility model belongs to the technical field of tire manufacturing, and discloses a post-inflation device and tire production equipment. The post-inflation device comprises a frame body, an upper cross beam mechanism, a lower cross beam mechanism, a lifting lead screw, a lead screw nut, a worm gear, a worm and a driving piece. Compared with a hydraulic transmission mode in the prior art, the transmission structure composed of the worm gear, the worm, the lead screw nut and the lifting lead screw has the advantages that stability and safety cannot be affected by oil leakage, pipe explosion and the like, so that the stability and safety of the post-inflation device are better, and the service life of the post-inflation device is prolonged. And potential safety hazards in the tire production process can be avoided. Comprising the post-inflation device is better in stability and safety, and then potential safety hazards in the tire production process can be avoided.

The present invention provides a bio-based sustainable tire tread rubber composition and a preparation method thereof, and relates to the field of rubber tire manufacturing, the bio-based sustainable tire tread rubber composition is prepared from the following raw materials by weight: 10-50 phr of natural rubber, 30-90 phr of solution polymerized styrene butadiene rubber, 0-15 phr of eucommia ulmoides rubber, 30-60 phr of carbon black, 5-20 phr of a lignin reinforcing filler, 0-3 phr of a lignin-based anti-aging agent, and 1-6 phr of a conventional anti-aging agent, the formula comprises the following components in percentage by weight: 3-7 phr of zinc oxide, 0.2-2 phr of stearic acid, 1-3 phr of an accelerant and 1-4 phr of a vulcanizing agent. According to the prepared rubber material, the lignin reinforcing filler and the lignin-based anti-aging agent are used for replacing traditional carbon black filler and petroleum-based anti-aging agent products, the use amount of petroleum-based chemicals in a formula system is reduced, environmental pollution is reduced, and carbon emission is reduced; the adopted preparation process can effectively promote the dispersion of the lignin filler; in the prepared rubber composition, the eucommia ulmoides rubber is applied, so that the mechanical property and the fatigue property of vulcanized rubber can be effectively improved.

The utility model belongs to the technical field of tire manufacturing, and discloses a post-inflation device and tire production equipment. The post-inflation device comprises a frame body, an upper cross beam mechanism, a lower cross beam mechanism, a lead screw, a driving nut, a driving assembly and a limiting assembly. Compared with a hydraulic transmission mode in the prior art, the transmission structure composed of the lead screw and the driving nut has the advantages that stability and safety cannot be affected by oil leakage, pipe explosion and the like, so that the stability and safety of the post-inflation device are better, and the post-inflation device is convenient to use. And potential safety hazards in the tire production process can be avoided. Comprising the post-inflation device is better in stability and safety, and then potential safety hazards in the tire production process can be avoided.

Briefly described, and according to one embodiment, aspects of the present disclosure generally relate to natural rubber and functional silica compositions for tire manufacturing and methods for forming the same. In at least one embodiment, the disclosed composition is a renewable elastomeric polymeric composition for rubber compounding applications, such as low rolling resistance tire tread and winter tire tread applications. The disclosed composition may also reduce fuel consumption and, thus, carbon dioxide emissions in gas-powered vehicles, and increase driving range in electric vehicles, because the disclosed composition is more energy efficient than current tire material compositions. In various embodiments, the disclosed composition may be formed by blending water-soluble silsesquioxane oligomers into a natural rubber latex system, followed by in-situ formation of a continuous, molecular silica network within the resulting polymer.

The embodiment of the invention provides a flexible material measuring method and device, electronic equipment and a medium, and relates to the technical field of tire manufacturing. The method comprises the steps that in the conveying process of a detected flexible material, at least two laser light strip images of the detected flexible material within a preset time interval are acquired through a camera; performing center line extraction processing on the at least two laser strip images to obtain at least two corresponding laser center lines; based on the information contained in the at least two laser center lines, image conversion is carried out, a corresponding target 3D point cloud image is obtained, and the target 3D point cloud image contains the thickness information of the detected flexible material; a calibration image corresponding to the detected flexible material is obtained, and the calibration image is an image collected under the condition that the detected flexible material is calibrated by the calibration block; and determining the width of the detected flexible material and / or the thickness of the detected flexible material based on the target 3D point cloud image and the calibration image.

The present invention belongs to the fields of pyrolyzed carbon black reinforcement, and the manufacturing of tires and non-tire rubber products. Provided are an interfacial reinforcing agent for pyrolyzed carbon black, and reinforced pyrolyzed carbon black and the use thereof. The interfacial reinforcing agent for pyrolyzed carbon black comprises the following components in parts by mass: 0.1-10 parts of a main interfacial reinforcing agent and 0.1-3 parts of an auxiliary interfacial reinforcing agent, wherein the main interfacial reinforcing agent comprises one or more of a nitrogen-containing compound, an active-double-bond-containing compound and a sulfur-containing compound; and the auxiliary interfacial reinforcing agent comprises one or more of a coupling agent compound, an organic acid compound and an amide compound. With regard to different functional groups (including double bonds, oxygen-containing functional groups, etc.) contained in the surface of the pyrolyzed carbon black, a suitable interfacial reinforcing agent is selected for modification to make the interfacial reinforcing agent react with the surface of pyrolyzed carbon black, thereby improving the tensile strength of the modified pyrolyzed carbon black in a rubber system.

PRISM Thermoplastic Rubber (PTR) is a novel, composite rubber material technology principally compounded from EOL, ambient ground, whole tires through the management of a unique process governed by the application of advanced, quantum field physics. The value from this technology is to provide a virgin-material-analog that may be readily integrated at high ratio, into new tire construction using conventional tire chemistry and manufacturing techniques resulting in a sustainable and significant, positive cost-benefit ratio as compared to current tire manufacturing economics.

The utility model relates to the technical field of tire manufacturing, in particular to a foaming PU tire. According to the scheme provided by the invention, the protective raised lines are arranged on the two sides of the tire body, so that a raised protective layer is formed. When the tire encounters sharp objects during running, the tire firstly contacts the protective raised lines, so that the sharp objects are prevented from directly scratching the side surfaces of the tire body. The protective raised lines are made of materials with good toughness, impact force from sharp objects can be absorbed and dispersed, and the protective effect is further improved. Therefore, the problem that the side face of an existing solid tire is easily scratched by sharp objects is effectively solved, and the service life of the tire is prolonged.

The present invention provides a tire processing device, a tire repair device, a repair sheet, a tire repair method, and a tire manufacturing method. The tire repair device (10) of the present invention comprises: a tire support portion (15) that rotatably supports a pneumatic tire (5); and an attachment mechanism (18) that causes a softening additive to adhere to a tread portion (5A) of the pneumatic tire (5) supported by the tire support portion (15) so that the additive permeates the tread portion (5A).

The utility model discloses a tire burst device for automobile detection, and particularly relates to the technical field of tire burst devices, the tire burst device comprises a workbench, the rear part of the upper end of the workbench is fixedly connected with a feeding assembly, the middle part of the upper end of the workbench is slidably connected with a clamping device, and the right part of the clamping device is fixedly connected with a motor; a blasting assembly is slidably connected to the front portion of the upper end of the workbench. According to the tire burst device for automobile detection, the tire can be rolled to the lower portion of the clamping device in cooperation with the feeding assembly in the tire mounting process, the labor force of workers can be reduced, the carrying weight is reduced, similarly, the tires are rolled down through the feeding assembly in the tire discharging process, the carrying pressure of the workers is reduced, and the working efficiency is improved. In the experiment process, the device can be matched with a clamping device to drive the tire to rotate, the state of the tire in the driving process is simulated, the device can be matched with a motor to control the rotating speed of the tire, and therefore the state that the tire is exploded at different speeds is simulated, and the experiment range is expanded.

The invention relates to the field of tire manufacturing equipment, in particular to a continuous fiber composite material tire bead forming device and a preparation process. Comprising a machine base, a feeding mechanism, a winding forming mechanism and a conveying mechanism. The feeding mechanism and the winding forming mechanism are both arranged on the upper half portion of the machine base, and the winding forming mechanism is arranged behind the feeding mechanism. The conveying mechanism is arranged on the left side of the lower half portion of the machine base. The invention has the advantages of flexible process adjustment and multifunctional performance, and various complex structures can be designed and processed according to the tire bead. Various fiber stacking modes and resin infiltration modes can meet different product structures and performance requirements of processing requirements through automatic control and intelligent operation of equipment.

The invention relates to the technical field of tire manufacturing, and discloses tire vulcanization equipment. Included angles are formed between first air holes in a center ring seat of the tire vulcanization equipment and the axial direction and the circumferential direction of the center ring seat respectively, guide vanes are located in air injection paths of the first air holes, and the air injection direction coincides with the normal direction of the guide vanes. The structure can accurately guide airflow, gas media are decomposed into axial speed and circumferential speed when flowing through the air holes, the axial speed and the circumferential speed synergistically act on the guide vanes, the guide vanes efficiently rotate, the rotating efficiency is improved, high-temperature gas can be evenly guided to all positions of the inner wall of the curing bladder, it is guaranteed that the interior of the curing bladder is evenly heated, and the service life of the curing bladder is prolonged. Therefore, the vulcanization quality is improved. In addition, the turbulent flow assembly is driven by airflow to rotate passively, uniform circulation of gas is achieved under the condition that an additional power source is not added, the structure of equipment is simplified, the manufacturing cost is reduced, and energy loss is reduced.

The present invention discloses a forming core and forming process for tires. A tire inner core made of a fusible material is used to replace the vulcanization bladder, and is removed by melting and flowing out the inner core through heating after the tire is formed. By using this method, various different-shaped internal supports and spaces can be generated inside the tire. This process and inner core can be used to manufacture tires with raw materials being fluids or semi-fluids. It is suitable for heavy truck, trailer, light truck, off-road vehicle, ATV, bus, aircraft, agricultural, mining, bicycle, motorcycle and passenger car tires.

The invention discloses a method for increasing the sidewall turn-up height in a building process of an all-steel radial tire, which comprises the following steps of: acquiring multi-source data such as temperature, pressure and angle in a turn-up process through an infrared temperature sensor, a pressure sensor and the like; and constructing a multiple linear regression model, a machine learning model and a hybrid model fused with the physical principle, analyzing the relationship between the process parameters and the anti-package height, and performing verification and optimization. According to model output parameters, a servo motor is used for accurately controlling the downward pressing angle and pressure of a reverse wrapping pressing roller, and production is executed in cooperation with an auxiliary supporting ring and a sectional type reverse wrapping technology; meanwhile, the turn-up height is detected in real time through an intelligent monitoring system, and parameters are automatically adjusted when the turn-up height does not reach the standard. According to the method, precise regulation and control of the tire sidewall turn-up height are achieved, compared with a traditional process, the product percent of pass is increased to 95% or above from 85%, the production efficiency is improved by 20%-30%, the tire structure stability is effectively enhanced, the rolling resistance and the tire burst risk are reduced, and intelligent upgrading of tire manufacturing is promoted.

The invention relates to the technical field of tire manufacturing and detection, in particular to a tire appearance defect detection method and system based on a retrieval enhancement generation technology, and the method comprises the steps: collecting image data, and completing the preprocessing of the image data through an edge calculation end; the retrieval enhancement generation module is used for sequentially carrying out picture vectorization processing on the preprocessed data, carrying out vectorization retrieval in a historical defect vector library and then sending the data into a multi-modal large model through the Ethernet to complete data fusion and an image defect judgment result; and the retrieval enhancement generation module outputs a judgment result to the production management end and the edge calculation end, and the production management end archives the judgment result. Compared with the prior art, the detection automation and intelligence are realized, the detection accuracy and efficiency and the production line quality control capability are also remarkably improved, and the production efficiency is improved. The method is suitable for defect identification and quality evaluation tasks of tire appearance detection.

To provide a supply system for a tire material which can reduce time loss due to tire material replenishment, while making a tire molding device compact and efficiently supply a plurality of kinds of tire materials to one molding drum body, and a tire manufacturing method.SOLUTION: Supply units 5 and 6 in which different kinds of tire materials M1 and M2 are stocked at adjacent stock positions P1 and P2 are arranged in parallel. The tire materials M1 and M2 fed out from the supply units 5 and 6 respectively are supplied in directions crossing each other in a planar view. A band drum 3 and a supply conveyor 6e are arranged at predetermined certain positions. The tire materials M1 and M2 fed out from the supply units 5 and 6 respectively and cut into a fixed length are transferred to the supply conveyor 6e through slide conveyors 5d and 6d arranged at the stock positions P1 and P2 respectively and a turning conveyor 5e arranged among the slide conveyors 5d and 6d and the supply conveyor 6e and are sequentially supplied to the band drum 3.SELECTED DRAWING: Figure 1

A more environmentally friendly silica reinforced rubber composition comprising non-surface treated recovered carbon black. The rubber composition is particularly useful as tread rubber and having performance characteristics similar or improved to that of rubber compositions comprising conventional first-use carbon black produced using fossil fuel feedstock. The ability to get good cured rubber composition performance using non-surface treated recovered carbon black facilitates the use of recovered carbon black for tire manufacturing.

The invention relates to the technical field of tire manufacturing, and discloses a low-rolling-resistance truck radial tire which comprises a tread, a sidewall, a belted layer, a tire body, a steel wire ring and steel wire wrapping cloth, the outer contour of the tread is of an arc-shaped structure on a tire interface, the arc length of the tread is L, the arc length L adopts the design of two sections of tangent arcs, and the arc length L is larger than the arc length L; the tread is provided with three pattern grooves which divide the tread into four same pattern blocks, the three pattern grooves are composed of two conventional open type longitudinal grooves and a Y-shaped longitudinal groove in the longitudinal direction, and the Y-shaped longitudinal groove is located between the two open type longitudinal grooves. According to the truck radial tire with the low rolling resistance, by optimizing the structural design, the pattern design and the formula design of the tire, the tire has the ultra-low rolling resistance performance, and meanwhile eccentric wear and different wear can be effectively reduced.

The invention belongs to the technical field of tire manufacturing, and particularly discloses application of a SiO2 / C composite material in preparation of an upper apex. Specifically, the upper apex disclosed by the invention comprises 100 parts of natural rubber; 0-40 parts of a filler; 10 to 60 parts of a SiO2 / C composite material; 5-10 parts of an activator; 0.5 to 4 parts of tackifying resin; 3-6 parts of a vulcanizing agent; and 2-5 parts of an anti-aging agent. The SiO2 / C composite material can effectively replace white carbon black or carbon black when being used in the preparation process of apex on a tire, and the tire prepared based on the SiO2 / C composite material has low heat generation and excellent fatigue resistance.

The invention relates to the technical field of tire manufacturing, in particular to a puncture-resistant tread rubber composition for bicycles and electric vehicles, a mixing method and a tire. According to the composition, a rubber base material and an auxiliary system are carefully selected, and aramid short fibers subjected to surface treatment are combined, so that the puncture resistance of the material is remarkably improved, good elasticity and aging resistance are kept, and good balance between the puncture resistance and the elasticity is realized.

The invention belongs to the field of tire manufacturing, and particularly relates to a tire sidewall rubber composition as well as a preparation method and application thereof. The tire sidewall rubber composition is prepared from the following raw materials in parts by mass: 10 to 100 parts of natural rubber, 10 to 100 parts of butadiene rubber, 30 to 80 parts of carbon black, 1 to 15 parts of zinc oxide, 3 to 15 parts of rubber oil, 1 to 5 parts of fatty acid compound, 1 to 4 parts of protective wax, 0.5 to 4 parts of anti-aging agent, 1 to 8 parts of sulfur powder and 0.5 to 3 parts of accelerant. 0.05-0.5 part by mass of a scorch retarder, 0.3-3 parts by mass of a pyrazolone heterocyclic compound and 0.5-5 parts by mass of a phenolic compound. Wherein the pyrazolone heterocyclic compound, the phenolic compound and the traditional anti-aging agent have a synergistic effect, so that the defects of the traditional anti-aging agent are overcome, and the comprehensive performance of the whole rubber composite material is also remarkably improved, so that the service life of the tire sidewall of the tire is effectively prolonged; the tire sidewall has excellent durability and use safety.

The utility model discloses a carcass composite piece for improving exposed lines in a tire, which comprises an airtight layer, a transition layer, a carcass, a carcass rubber sheet, a tire shoulder pad rubber, a tire crown, a tire sidewall and a carcass body rubber, the transition layer is paved on the airtight layer, the carcass is paved on the transition layer, the tire shoulder pad rubber is paved on the carcass and is positioned on the shoulder part of the tire, and the tire crown is paved on the tire shoulder pad rubber. The tire shoulder pad rubber is laid at the joint of the tire body and the tire shoulder pad rubber, the tire body rubber is arranged at the joint of the transition layer and the tire body and located at the tire shoulder, and the tire body rubber sheet is laid at the joint of the tire body and the tire shoulder pad rubber and located at the tire shoulder. The problems that gaps between tire body cord threads are increased, cord thread rubber materials are insufficient, and butyl rubber permeates into an air tight layer due to inflation shaping expansion are effectively solved, and when existing equipment is free of space transformation or capital is insufficient, the problem that threads are exposed in a tire due to the fact that the size and quality of half parts fluctuate, the Mooney viscosity of a transition layer is too low, and the assumed stretching value of the tire body cord threads is too large is effectively solved.

The utility model provides a solid tire mold, and belongs to the field of solid tire manufacturing. Comprising an upper die and a lower die, lifting lugs are fixedly connected to the two sides of the upper die and the two sides of the lower die, a handle is fixedly connected to the exterior of the lower die, and a bearing plate is fixedly connected to the exterior of the upper die and the exterior of the lower die; and the positioning assembly is used for improving the combination precision of the upper die and the lower die. By arranging the modularized upper die and the lower die, the utilization rate of the die is improved, the cavities have interchangeability, the machining and purchasing cost is reduced, the cavities have interchangeability, the dies of the same specification can be assembled for production by machining the same pieces, the component of the die cavity is made into parts, the maintenance time is shortened, and the maintenance cost is reduced. The cavity is composed of a plurality of assemblies and also has interchangeability, standard parts are achieved, the maintenance time and the maintenance cost can be greatly reduced, damaged parts can be replaced through parts, the waiting time of a machine table is shortened, and the production efficiency is improved.

Disclosed are various embodiments for integrating one or more sensing device(s) into a tire during a tire manufacturing process. In one example, the sensor device includes an electronic device (e.g., a sensing and / or energy harvesting device), a communication device, or any combination thereof. The sensing and / or energy harvesting device is positioned between a chafer and a ply of a tire, at an axially outward side of the ply, wherein the chafer is configured to form a seal with a rim flange of a wheel. The communication device is positioned between a liner and the ply at an axially inward side of the ply. In some examples, a connector is connected between the sensing and / or energy harvesting device and the communication device.

The invention belongs to the technical field of rubber processing and aircraft tire manufacturing, and particularly relates to a rubber composition, a preparation method thereof and application of the rubber composition as wave-shaped steel wire coating rubber of an aircraft radial tire. The rubber composition provided by the invention is prepared from 100 parts of natural rubber, 78 to 100 parts of a reinforcing system, 1.2 to 1.5 parts of a silane coupling agent, 3.5 to 6 parts of a bonding system, 0.3 to 0.5 part of a bonding promoter, 3.5 to 5.3 parts of an aging protection system, 2 to 5.7 parts of a crosslinking system, 6 to 6.5 parts of a crosslinking activation system, 5 to 8 parts of a plasticizing system and 3 to 5 parts of tackifying resin. The rubber composition provided by the invention has the advantages of excellent heat resistance, low compression fatigue temperature rise, high tensile strength and high elongation at break, and can form good adhesion with a wavy steel wire, so that the service life of the aviation radial tire is remarkably prolonged, the safety performance of the aviation radial tire is remarkably improved, and the puncture resistance of the aviation radial tire is effectively enhanced.

To provide a pneumatic tire of which durability is improved and weight saving can be achieved.SOLUTION: In a pneumatic tire 10, a carcass ply 1 of one or more layers, in which cut cords are arranged in parallel, is toroidally arranged, and one or more belt layers 2, in which the cut cords are arranged in parallel, are arranged on a tire radial direction outer side of a crown part of the carcass ply 1. In the pneumatic tire 10, an auxiliary reinforcement layer 4 containing a copolymer having a conjugated diene unit and a non-conjugated olefin unit is arranged adjacent to the vicinity of a cord cut end of at least one layer of the carcass ply 1 and the belt layer 2 or the vicinity a tire width direction outer side end of a chafer located outside the carcass ply 1 in a bead part 5.SELECTED DRAWING: Figure 1