69 results about "Tire manufacturing" patented technology

This invention belongs to the field of tire manufacturing technology and discloses a non-pneumatic tire, including a tire body. The tire body includes a rim, a support body, and a tread ring. The support body includes a first ring, a second ring, a first support leg, and a second support leg. The first ring is fixedly connected to the rim. This invention, by setting up the first ring, second ring, first support leg, and second support leg, provides a stable inner force-bearing foundation for the support body. The second ring evenly bears the force transmitted by the tread ring. The first and second support legs form an elastic frame that adaptively deforms and absorbs vibration under stress. Furthermore, the structure of the support legs and the through-holes allows for a more uniform distribution of stiffness and ground pressure, effectively reducing vehicle vibration and improving ride stability. The synergistic cooperation of multiple structures significantly enhances the elastic buffering capacity of the support body, effectively suppressing wheel deformation under heavy loads or impact loads, further enhancing driving safety.

This utility model discloses a tire with a reinforced shoulder structure, belonging to the field of tire manufacturing technology. It includes a ply, a belt layer, a ply rubber strip, a crown belt layer, and a reverse wrap portion. The ply layer's end wraps back to the shoulder area, forming a reverse wrap portion. The belt layer is located in the crown area above the ply layer. The crown belt layer covers the upper surface of the belt layer. The ply rubber strip is attached to the end of the ply layer, extending circumferentially along the tire, and its end is attached to the bottom surface of the belt layer and crown belt layer ends. The ply rubber strip fills the reverse wrap edge of the ply layer and the shoulder space at the end of the belt layer. This invention solves the problem of structural integrity damage caused by excessive stretching of the ply layer due to high-pressure environments in existing technologies. It significantly reduces raw material consumption while maintaining the uniformity of the tire carcass cord arrangement and avoiding the distortion risk caused by high-pressure vulcanization.

The present application relates to the technical field of tire overall preparation, and proposes a variable stiffness tire and a tire overall preparation device, which can adapt to various driving conditions and realize the collaborative optimization of comfort and control performance, and the structure can effectively disperse flexural stress, and is not prone to heat accumulation, bulging and cracking, thereby significantly improving high-speed durability and load capacity, and the matching tire overall preparation device can adapt to the molding process of the tire body, effectively improve tire production efficiency and manufacturing precision, and comprises a tire body and a triangular rubber ring, wherein the tire body comprises a tread, a sidewall and an inner tire ring, the sidewall is divided into a shoulder section, a sidewall middle section and a bead section in the radial direction, the stiffness of the bead section, the shoulder section and the sidewall middle section decreases in turn, the sidewall middle section is a main flexible deformation area, the shoulder section provides lateral restraint, the bead section provides high stiffness support, the tread is fixedly connected with the shoulder section, and the inner tire ring is fixedly connected with the triangular rubber ring.

The present application belongs to the technical field of tire manufacturing, and particularly relates to an antiskid tire and a preparation method thereof. The antiskid performance of the tire is significantly improved by adding cerium-doped polyoxometalate-based layered compounds and nitrogen-sulfur co-modified zirconium-based MXene layered compounds in the tread compound. The cerium-doped polyoxometalate-based layered compounds are prepared by hydrothermal reaction and calcination treatment using disodium hydrogen phosphate, sodium molybdate, cerium nitrate and hexanediamine as raw materials. The nitrogen-sulfur co-modified zirconium-based MXene layered compounds are prepared by etching, peeling and co-calcination with thiourea after synthesizing ceramics using titanium powder, aluminum powder, zirconium powder and carbon powder as raw materials. When preparing the tire, the rubber is first mixed with carbon black, the two modified compounds and the additives to obtain a masterbatch, then the vulcanization system components are added to obtain a final rubber compound, and finally the finished product is obtained through extrusion, lamination and vulcanization molding. The antiskid tire prepared by the present application has excellent grip on wet and icy road surfaces.

In this invention, a device has been designed to accurately measure the circumference and weight of a radial tire bead. The goal of this innovation is to increase the accuracy, speed, and efficiency of the quality control process for tires produced in the country's tire manufacturing industry. The main problem with traditional methods, which are performed using templates and traditional scales, is low accuracy, operator dependency, and high error rates. The device is designed using digital image processing technology, which includes a Raspberry Pi camera and the SimpleBlobDetector algorithm in the OpenCV library, to calculate the diameter of the bead with an error of less than 1%. Also, using four load cell sensors equipped with the HX711 module, the weight of the bead is measured with high accuracy (error of 0.35% to 3.18%). The data is processed by the Raspberry Pi minicomputer and the results are displayed instantly on the LCD touch screen. This integrated system increases production efficiency by automating the measurement process and using cost-effective components, making it ideal for tire production lines and quality control laboratories.

This invention provides an all-steel radial truck tire, relating to the technical field of tire manufacturing. The tire surface has four longitudinally spaced tread grooves, which sequentially divide the tread. A stepped sidewall pattern is provided at the junction of the first and second shoulders facing the sidewall. A longitudinally spaced groove is formed in the middle of the surface of the first and second shoulders. Shallow grooves are formed along the tread groove direction at an angle of 120°–130° on the longitudinal grooves. The side of the shallow grooves opposite to the longitudinal grooves connects to the tread grooves. The opening width of the shallow grooves decreases from 2mm to 1mm from the end of the longitudinal groove to the end of the tread groove. The groove depth of both the shallow grooves and the longitudinal grooves is 1.8mm–2.1mm. This invention solves the problems of excessive deformation of the tread blocks, water film formation in the shoulder area, and high noise levels, achieving a synergistic enhancement of multiple performance aspects, including stable handling, heat dissipation and crack resistance, water drainage and grip, and noise reduction and comfort.

This invention provides a tire manufacturing method for safely and securely installing communication equipment inside the tire without damaging it. [Solution] A method for manufacturing a tire comprising a tire body and a communication device embedded radially on the outside of the carcass that forms the skeleton of the tire body, wherein the communication device is placed radially on the outside of the carcass of a green tire, the green tire is placed in a mold, and vulcanization molding is performed with the minimum distance between the communication device and the vent holes in the mold being greater than 0 mm.

The application discloses a kind of wide-body vehicle cut-resistant tread rubber and preparation method thereof, belong to tire manufacturing industry technical field.The tread rubber includes by weight parts: butadiene styrene rubber 80-100 parts, natural rubber 0-20 parts, carbon black 50-60 parts, zinc oxide 3-5 parts, stearic acid 1-2 parts, protective wax 2-3 parts, antioxidant 3-5 parts, tear-resistant resin 5-10 parts, sulfur 0.8-1.5 parts, accelerator 1-2 parts.Preparation method includes three steps of low-temperature mixing, low-temperature mixing and final mixing, low-temperature low-speed process is adopted, and discharge temperature is controlled at 130 DEG C and below.The application reduces the combination of glue generation by the synergistic effect of high butadiene styrene rubber content and tear-resistant resin, significantly improves the cut-resistant performance of tread rubber while ensuring uniform dispersion of the rubber, the tensile strength increases by 10.5% after aging, and the heat generation performance under long distance is considered, to meet the requirements of wide-body vehicle in mining area.

This invention discloses an extruder head flow channel orifice structure and its application in tire tread winding, belonging to the field of tire manufacturing technology. The extruder head flow channel orifice structure includes an extruder body with a flow channel orifice connected to its end. Its core improvement lies in the non-circular shape of the extrusion orifice. This breaks through the limitations of traditional circular orifices; the non-circular design, such as rectangular or near-circular shapes, allows for adjustment of the rubber strip cross-sectional shape according to the functional requirements of different parts of the tread (such as the crown and shoulder), optimizing the contact area and bonding pressure distribution between the rubber strip and the forming drum, reducing bonding air bubbles, and improving interlayer bonding strength. The tire tread winding method involves extruding a continuous rubber strip using the extruder head flow channel orifice structure and then winding this strip onto the forming drum in a seamless manner to form the tread.

The utility model discloses a kind of mould and tire of exempt from replacement product anniversary number, it is related to tire manufacturing technical field, including first fixed plate and second fixed plate, the first fixed plate and second fixed plate between being equipped with several digital mould, the digital mould between being equipped with baffle, the digital mould one side is equipped with adjusting assembly.The utility model passes through by first fixed plate, second fixed plate, baffle, digital mould and adjusting assembly modularization composition mould, solve the problem that anniversary number movable block is inconvenient to replace in traditional mould, effectively improve production efficiency, greatly reduce the maintenance cost of mould simultaneously.

This invention relates to the field of tire manufacturing technology, specifically to a type block fixing structure and tire mold. The type block body is movably mounted on a mold side plate, and further includes: a spring-back mechanism located at the bottom of a placement groove, used to apply an upward spring-back thrust to the type block body; a fixing groove formed on the side wall of the type block body; a moving component movably mounted horizontally within the mold side plate and adapted to the fixing groove; and a translation mechanism located within the mold side plate, used to drive the moving component to translate into or out of the fixing groove. This invention, through the cooperation of the spring-back mechanism, fixing groove, moving component, and translation mechanism, enables rapid replacement of the type block body from the front of the mold side plate without disassembling or flipping the mold side plate, simplifying the operation steps. The overall structure is simple and compact, reducing the difficulty of parts processing and better adapting to the needs of large-scale mass production.

The application discloses a crown belt feeding device, and belongs to the technical field of tire manufacturing, which comprises a supporting mechanism, a lifting mechanism arranged on the supporting mechanism, and a moving platform arranged on the lifting mechanism. The moving platform of the device is movably arranged on the lifting mechanism, and the lifting mechanism drives the moving platform to move up and down, so that the crown belt roll is conveniently and accurately installed on the guide opening shaft of a forming machine, manual extraction is not needed, the automation of a production line is realized, the labor intensity of an operator is reduced, the labor cost is saved, and the safety hazard of foot bruising caused by falling is avoided.

This invention relates to the field of tire manufacturing technology, and more particularly to a low-heat-generating, high-stability crown belt rubber composition, a mixing method, and a tire. Based on 100 parts by weight of the rubber components, it includes natural rubber, first and second non-oil-extended polystyrene-butadiene rubber (BF2055H / L), and is supplemented with highly dispersed silica, carbon black, silane coupling agents, and α-methylstyrene resin, among other additives. BF2055H / L has a 20% styrene content, 55% vinyl content, and a bimodal molecular weight distribution, synergistically improving the dynamic modulus distribution of the rubber and the uniformity of filler dispersion. Optimized mixing processes achieve efficient reaction and uniform distribution of SiO2 with the rubber. Experiments have shown that, without sacrificing hardness and handling performance, the bimodal non-oil-extended SSBR is used as the core to solve the contradiction between heat generation, deformation, and processing; natural rubber ensures adhesion and elasticity; and medium-structure carbon black + silica balances reinforcement and heat generation. This achieves a comprehensive performance breakthrough in low heat generation, low deformation, high support, high durability, and environmentally friendly manufacturing.

The present invention relates to a process for producing recovered industrial carbon black, comprising the following steps: • Selecting used tires, • Shredding of used tires into used tire granules, • Pyrolysis of the waste tire granulate with a residence time of between 2 and 4 hours at a material temperature between 550°C and 750°C, • Grinding of the recovered industrial soot, • Wet pelletizing of the ground, recovered industrial carbon black. The recovered industrial carbon black produced by this process is particularly suitable for use in rubber applications, for example in tire manufacturing.

This utility model relates to the field of tire manufacturing technology and proposes an adjustable rear tire rim device. It includes a frame mounted on the ground, and an upper rim assembly and a lower rim assembly mounted on the frame. The upper and lower rim assemblies are arranged correspondingly and are used to fix the tire. The lower rim assembly includes a telescopic cylinder mounted on the frame and a drive unit mounted on the frame to drive the telescopic cylinder. A lower rim base is also provided on the telescopic end of the telescopic cylinder. After the telescopic cylinder extends or retracts, it drives the lower rim base to lift the tire. The upper rim assembly includes an upper rim base threaded onto the frame. The upper rim base abuts against the tire. After the upper rim base rotates threadedly on the frame, it adjusts the distance between the upper and lower rim bases. This solves the problem in the prior art where different tire rim models cannot guarantee stable pressure.

The utility model discloses a kind of can improve mute cotton bonding's compression device, it is related to tire manufacturing technical field, including device table, fixed component is arranged in device table upper surface middle part, compression component is arranged above fixed component, the compression component includes fixed rod, the fixed rod is commonly provided with several and respectively with device table upper surface two sides fixed connection, all the fixed rod upper end fixedly connected with mounting plate, hydraulic lifting column is fixedly connected in the middle part of mounting plate.The utility model is provided with compression component, under the premise of not influencing existing process, increase laser ranging sensor detection opening position, opening position is detected by sensor numerical fluctuation;Adjust measurement ranging laser position distance from press roll angle difference, increase press roll compression angle coverage, prevent leakage pressure;Compression process simplifies too much redundant action, optimization program action, through improving optimization mute cotton bonding effect and be improved.

The utility model relates to a kind of low rolling resistance tire structure, belong to tire manufacturing technical field, including tread, the both sides of the tread are fixedly connected with sidewall, the tread and sidewall form carcass, the inner wall of the sidewall is fixedly connected with bead, the outer surface of the tread is equipped with pattern groove. Significantly reduce rolling resistance: through laboratory test and actual road driving test verification, compared with traditional full steel tire, the rolling resistance coefficient of full steel tire using the patent technology can be reduced by 12%, which means that the resistance to be overcome by vehicle during driving process is greatly reduced, can effectively reduce fuel consumption, for long-distance transport vehicles etc., energy-saving effect is particularly remarkable, improve fuel economy: due to the reduction of rolling resistance, fuel consumption of vehicle under the same driving condition can be reduced by 7%, reduce operating cost, also meet the current energy-saving and emission-reducing environmental protection requirements, reduce tail gas emission, with good social benefits.

The invention relates to a method for producing a tire mold (1) for tire manufacturing, comprising at least the following steps: - providing a base body (2) made of a metallic material with a surface (5), wherein the surface (5) forms a negative mold for at least one area of ​​a tire blank to be vulcanized; - placing the provided base body (2) into a treatment chamber and treating the base body (2) at a defined temperature with a defined nitrogen concentration for a defined treatment time, such that nitrogen diffuses from the surface (5) of the base body (2) to a penetration depth (NT) into the metallic base body (2) and a nitrided layer (4) forms in an edge region (3) of the base body (2); - applying a coating (6) to the surface (5) of the base body (2); and - providing the finished tire mold (1).

The present application relates to the field of tire manufacturing technology, specifically to a mold side plate with replaceable movable block and tire mold, which comprises a side plate body and a movable block body, as well as a fixing groove, an operation box, a fixing piece and a rotating mechanism; the fixing groove is opened on the sidewall of the middle part of the movable block body; the operation box is embedded on the top of the side plate body and communicates with the middle part of the movable block groove, and the top surface of the operation box is coplanar with the top surface of the side plate body; the fixing piece is movably arranged in the operation box and is matched with the fixing groove; the rotating mechanism is arranged in the operation box and is connected with the fixing piece, which is used to drive the fixing piece to rotate into or out of the fixing groove; through the cooperation of the fixing groove, the fixing piece and the rotating mechanism, the locking or unlocking of the movable block body can be completed by only rotating the fixing piece through the rotating mechanism during operation, without the need of complex procedures such as disassembly and overturning of the side plate body, so that the movable block body can be quickly replaced.

The utility model belongs to tire manufacturing equipment technical field discloses a toothed sheet compression roller of compression tire tread part, this compression roller aims at solving the problem of joint compression not firm caused by the decrease of tread rubber viscosity, including roll core, a plurality of thin sheets along roll core axial arrangement and radial movement, and drive assembly for driving thin sheet radial movement, its key lies in, every thin sheet's outer periphery all is provided with tooth, when compression, thin sheet group can be profiled and fit tread profile and partition pressure application, when compression joint, tooth under high pressure extrudes and embeds upper layer rubber material into lower layer rubber material, forms firm physical hooking structure. The utility model does not depend on rubber viscosity, can effectively prevent the tread joint and the head of the joint and the head of the joint, significantly improves the forming quality of low viscosity rubber tire.

According to the present invention, a communication device on the surface of a green tire is configured to include an RFID and a coating rubber layer that covers at least the green-tire outer side of the RFID, and further include a reinforcing rubber layer that covers the green-tire outer side of the coating rubber layer. By setting the dielectric constant of the coating rubber layer smaller than the dielectric constant of the reinforcing rubber layer, it is possible to obtain the green tire that is advantageous when subjected to tire manufacturing in which the RFID in the communication device disposed inside the tire is not damaged or exposed to the surface of the tire, while improving the communication performance of the communication device.

The application provides a mobile forming drum tail frame support device, and belongs to the technical field of tire manufacturing. The mobile forming drum tail frame support device comprises a fixed base and a mobile tail frame base. The fixed base is installed at the tail end station of the forming machine forming drum. A horizontal drive assembly is arranged between the fixed base and the mobile tail frame base, and drives the mobile tail frame base to move horizontally along the forming drum axis. A lifting support assembly is installed above the mobile tail frame base, and is used for supporting and avoiding the tail end of the forming drum. After the forming is completed, the lifting support assembly is avoided, the horizontal drive assembly drives the base to move backward and reset again, the whole process is overall linked by the automatic control protection assembly, the avoidance, lifting, support, forming and reset closed loop are realized, manual intervention is not needed, the industry pain point that the tire shell collides with the tail frame is solved from the root, and the full-automatic switching of the tail end support and avoidance of the forming drum is realized.

This disclosure presents a method and application for preparing carbon black for rubber from biomass through multi-stage pyrolysis coupled catalytic graphitization, belonging to the fields of carbon black material preparation and green tire manufacturing technology. The method includes selecting agricultural and forestry waste biomass rich in cellulose, hemicellulose, or lignin, washing with deionized water, acid washing, isothermal drying, and then mechanically pulverizing to obtain biomass powder; subjecting the biomass powder to a first isothermal treatment in a protective atmosphere furnace, resulting in preliminary carbonization of the biomass to obtain a pre-carbonized product; mixing the pre-carbonized product with a catalyst precursor solution, drying, and then subjecting it to a second isothermal treatment in a protective atmosphere to obtain a catalytic reforming product; subjecting the catalytic reforming product to a third isothermal treatment to obtain a graphitized product; immersing the graphitized product in an inorganic acid solution with stirring, washing to neutrality, and drying to obtain carbon black for rubber. This method achieves precise control of the structure and surface chemistry of biomass carbon black.

The application discloses a tire mold character automatic detection method based on image processing and concretely relates to the technical field of image processing and mold detection; under fixed illumination conditions, a mold image is collected by an industrial camera; the image is preprocessed and regionally segmented, and a candidate character region is generated based on a deep convolution feature extraction network; edge density analysis and minimum circumscribed rectangle fitting are performed on the candidate region, the character arrangement direction is judged, and image direction normalization is completed; the processed character image is input into a pre-trained character recognition model for recognition and compared with a mold character template in a production planning; if the recognition result is inconsistent with the template or the confidence degree is lower than a set threshold, the abnormal region is marked and an alarm information is generated; the application has the advantages of high recognition precision, accurate direction judgment, fast feedback response and the like, can realize automatic recognition and intelligent verification of mold characters and is suitable for mold installation quality control in a tire manufacturing site.

The present application relates to the technical field of engineering machinery tire manufacturing, and discloses a process for improving the quality of a tire crown of a mine unmanned tire, comprising arranging a cold-feeding extruder and an open mill in the direction of an extrusion line, controlling the temperature and speed of extrusion based on the extrusion temperature to extrude a bottom rubber sheet, controlling the temperature of the base rubber and the bottom rubber sheet respectively, and hotly adhering the two to form a composite rubber layer, making the composite rubber layer pass through and be pressed together with a thousand-layer sheet and a plane guide roller, adhering a plastic pad to the surface of the bottom rubber sheet, and cooperating with an exhaust line roller to press out exhaust line indentations, and finally using cooling water with limited pH value and hardness for cooling treatment. Through the comprehensive management of extrusion temperature and speed control, hot application, pressing and exhaust, and specific water cooling, the process effectively avoids early scorching of the rubber compound, eliminates the hidden troubles of interlayer air pockets in the forming stage and interface peeling in the use of the finished product, and improves the bonding strength between the crown components and the structural durability of the mine tire.

The utility model relates to the technical field of tire manufacturing, especially an aviation tire tire blank shaping expansion support device, which improves the shaping quality of the tire, is suitable for different size tires, is convenient to adjust and is favorable for improving work efficiency, comprising an intermediate cylinder, a support component, an adjusting component and a guide component, the support component is installed on the outer wall of the intermediate cylinder, the adjusting component is installed inside the intermediate cylinder, the adjusting component is connected with the inside of the support component, and the guide component is installed between the intermediate cylinder and the adjusting component.

This invention belongs to the field of tire manufacturing technology and discloses an optimized sealing center mechanism and tire vulcanizing equipment. The center mechanism includes a bladder assembly, a rotating tube, and a sealing assembly. The bladder assembly includes a ring seat cylinder and a vulcanizing bladder, with the vulcanizing bladder disposed within the ring seat cylinder and its interior serving as a heating chamber. The rotating tube is rotatably disposed within the ring seat cylinder, and a bearing is provided between the rotating tube and the ring seat cylinder. The sealing assembly includes a first sealing element, comprising a first sealing ring and a second sealing ring. The first and second sealing rings are fitted with a clearance to form a labyrinth structure between them, connecting the spaces on both sides of the first sealing element along the axial direction. The bearing is located below the labyrinth structure. This center mechanism prevents the first sealing element from gripping the rotating tube, allowing the motor to operate with normal current, ensuring the motor's service life, and also prevents excessive wear of the first sealing element, thus preventing damage to the first sealing element.

The application provides a tire apex composition, a tire apex and a preparation method thereof, and relates to the technical field of tire manufacturing. The tire apex composition comprises the following components in parts by weight: raw rubber 100 parts, modified carbon nanotube / carbon black aggregate 10-40 parts, active agent 1-12 parts, accelerator 0.8-6 parts, vulcanizing agent 0.8-6 parts, antioxidant 3-7 parts, tackifying resin 0.5-4 parts, white carbon black 0-25 parts, silane coupling agent 0-2.5 parts, protective wax 0-2.5 parts, and anti-scorching agent 0-0.3 parts. The modified carbon nanotube / carbon black aggregate is obtained by high-temperature jetting of a modifier and carbon nanotube / carbon black aggregate. The modified carbon nanotube / carbon black aggregate is added to the tire apex composition, which reduces filler aggregation, provides mechanical properties and wear resistance of the tire apex, and further reduces the heat generation of the tire apex.

This invention belongs to the field of engineering machinery logistics technology, and discloses a multi-functional transfer fixture for large engineering machinery tires and a complete logistics method. The fixture consists of a frame, adjustable load-bearing components, hydraulic clamping components, hydraulic lifting casters, pneumatic braking devices, and a towing component, along with rubber buffer pads, a tire conveyor line, a piano-key braking device, and limit blocks. The fixture is made of high-strength steel, enabling self-adaptive load-bearing, flexible clamping, flexible transfer, and multi-layer stacking of tires, maintaining the tires vertically throughout the process, and is suitable for giant engineering tires. This invention also constructs a closed-loop tire logistics method from the tire manufacturer to the main assembly plant, integrating various logistics links through the fixture and combining it with a central intelligent dispatch system to achieve digital traceability and scheduling. Compared with existing technologies, this invention significantly reduces tire transfer damage rates, improves logistics efficiency, reduces overall costs, and features highly versatile and easy-to-operate fixtures, making it suitable for the large-scale, standardized transfer of large engineering machinery tires.

This invention relates to the field of tire manufacturing technology, specifically to an intelligent tread loading method and system based on automatic measurement and pressure adaptation. The method includes: automatically measuring the geometric parameters of the tread to be bonded; dynamically calculating the optimal bonding pressure setting value based on the measured parameters using a preset intelligent pressure calculation model, which integrates compensation for tread length deviation, rubber compound type, and ambient temperature; comparing the measured values ​​with standard values ​​in real time to determine the tread's passability; blocking loading if the tread is unqualified; controlling the actuator to perform bonding at the calculated optimal pressure if the tread is qualified; and finally binding and uploading all process data. This invention transforms operations relying on manual experience into a data-driven intelligent process, achieving adaptive and precise control of bonding pressure, pre-emptive interception of quality defects, and full-process data traceability, thereby significantly improving product quality consistency, reducing material waste, reducing reliance on manpower, and enabling continuous process optimization.