365 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 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.

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.

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.

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 relates to the field of engineering tire vulcanization, in particular to an intelligent monitoring method and system for engineering tire vulcanization. The method comprises the following steps: acquiring a tire process characteristic data set, and performing partition collaborative analysis on different engineering tire groove types based on the tire process characteristic data set to generate a tire groove optimal vulcanization state characteristic set; based on the optimal vulcanization state feature set of the tire groove, quantitatively evaluating the compatibility and failure risk of grooves in different optimal vulcanization states at the junction by constructing a vulcanization state gradient field of a junction region, and generating a groove junction process risk set; based on the groove boundary process risk set, vulcanization process parameter self-adaptive mapping is carried out, and a tire vulcanization intelligent monitoring report is generated. In the engineering tire vulcanization process, transformation from experience control to intelligent monitoring is integrally achieved, the production efficiency and the product reliability are greatly improved, and key technical support is provided for intelligent upgrading of the tire manufacturing industry.

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.

The utility model discloses an anti-skid polyurethane tire, and belongs to the technical field of tire manufacturing and warehouse logistics, the anti-skid polyurethane tire comprises a hub, the outer wall of the hub is fixedly sleeved with a polyurethane tire, and a plurality of adsorption holes evenly distributed in the circumferential direction of the polyurethane tire are formed in the center of the outer surface of the polyurethane tire; the polyurethane tire is installed on a vehicle through the hub, when the polyurethane tire runs on the ground, part of air in the adsorption holes, making contact with the ground, under the extrusion effect of the vehicle is rapidly extruded out through the exhaust grooves, the polyurethane tire is adsorbed to the ground all the time, the road holding force can be remarkably improved, and the service life of the vehicle is prolonged. The anti-skid polyurethane tire has the advantages that the anti-skid performance of the anti-skid polyurethane tire is improved, the anti-skid phenomenon is prevented, the silica gel particles are filled in the adsorption holes to absorb moisture on the ground, a layer of wet contact surface is formed and used for increasing friction force, the anti-skid performance of the tire is further improved, and therefore the anti-skid polyurethane tire has no damage to the warehouse ground, and the integrity and the service life of the warehouse ground are guaranteed.

The present invention relates to a method for manufacturing a tire using a tire manufacturing machine comprising a plurality of manufacturing modules that provide tire components for a tire to be manufactured, the method comprising the steps of: receiving a production instruction indicating the number of tires to be manufactured; operating the tire manufacturing machine in a batch operation mode in which each of the plurality of manufacturing modules can provide its respective tire components according to the number of tires to be manufactured in the production instruction; and switching the tire manufacturing machine from batch operation mode to a bidirectional operation mode in which the plurality of manufacturing modules cooperate to provide their respective tire components for each tire when one or more manufacturing modules emit a nearly empty signal.

The present application relates to a kind of TBR tread camber measurement method, belong to tire manufacturing technical field, camber ruler is placed along the width direction of tire tread, the contact condition of camber ruler and crown, shoulder on both sides of crown is determined;If the camber ruler and the crown, the shoulder are all contacted, it indicates that tire tread camber adopts a section of arc structure, the radius of camber ruler is used as the center arc radius of the crown;If the camber ruler and the crown or the shoulder are not contacted, it indicates that tire tread camber is not adopted a section of arc structure, the center arc radius of the crown and the connecting arc radius of the shoulder are measured respectively, the present application is measured to tread camber radius by camber ruler, corresponding measurement method is formulated to different deformation forms to form unified measurement standard, for the same measurement sample, even different operators can also obtain the same value, improve measurement accuracy.

This green tire warming device for retreading for warming a green tire for retreading before vulcanization comprises: a warming chamber body 2 configured to partition a warming chamber 21; a microwave oscillation unit 3 provided on an inner wall surface of the warming chamber body and configured to irradiate the inside of the warming chamber with microwaves; a pair of shielding plates 4 configured to shield the microwaves; and a rotating tool 5 configured to rotate the green tire for retreading placed in the heating chamber in the tire circumferential direction relative to the warming chamber body. While the green tire for retreading, in which a pair of side portions of the green tire for retreading are covered from both outer sides in the tire width direction by the pair of shielding plates, is rotated in the tire circumferential direction relative to the warming chamber body by the rotating tool, a green tread rubber of the green tire for retreading that is not covered by the pair of shielding plates is warmed by microwaves radiated from the microwave oscillation unit.

This invention relates to a process and testing method for improving sidewall bulging in engineering machinery tires, belonging to the tire manufacturing field. It includes the following steps: a. Butt-fitting the joints of the airtight layer and the release liner composite, followed by compaction; b. Cutting the sidewall components at an angle of 55°-75°; c. Laying the airtight layer and the release liner composite together, then laminating and pressing the release liner, tire carcass, tire carcass upper film, and steel wire bead bonding components; d. Laying the gasket components, with the gasket component joints being butt-fitted, and the distance between the gasket component joint and the airtight layer / release liner composite joint being 60°-90°; laminating and pressing the protective rubber, shaping rubber, and other components; finally, laminating the sidewall components, with the sidewall component joints being butt-fitted; e. Marking the corresponding inner tire positions of the gasket component joints, the airtight layer / release liner composite joints, and the sidewall component joints on the tire after lamination; then shaping, pressing, tire winding, tire removal, and tire vulcanization of the tire carcass.

A tire mold having a sidewall molding surface with a negative irregular rough surface texture pattern extending circumferentially along the sidewall molding surface so as to mold at least one annular exterior surface of a tire sidewall of a tire with an irregular rough surface texture, the negative irregular rough surface texture pattern defining recessed portions disposed non-uniformly between raised portions, the recessed portions having a depth of at least 0.1 millimeters.

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 embodiment of the utility model provides an unwinding and stripping mechanism suitable for various tire blank rubber materials, and relates to the field of tire manufacturing. Comprising a supporting frame, a sizing material wheel, a motor, a differential mechanism and a cloth liner wheel, the sizing material wheel and the cloth liner wheel are rotationally installed in the supporting frame, the motor is installed on the supporting frame, and a transmission shaft of the differential mechanism is connected with the output end of the motor; and two output shafts of the differential mechanism are respectively connected with the sizing material wheel and the cloth liner wheel. The sizing material wheel and the cloth liner wheel can rotate independently, the sizing material wheel is responsible for stably conveying sizing materials, the cloth liner wheel is used for orderly rolling the cloth liner, and the sizing material wheel and the cloth liner wheel cooperate to achieve separation of the sizing materials and the cloth liner; and on the other hand, when the rubber material or the cloth liner gets loose, friction torque can be generated to reduce the rotating speed, the rotating speed is distributed and adjusted through the differential mechanism, it is guaranteed that the rubber material and the cloth liner rapidly recover the tensioning state, and production continuity and stability are guaranteed.

The present disclosure generally relates to an apparatus for forming a foam layer structure onto an inner wall of a vehicle tire's body, comprising: a foaming machine (200) having a nozzle (210 or 210') for selectively discharging a foamable composite; a tire rotating device (100) having a base (110), a support (120) arranged relative to the base (110) to be selectively rotatable about a first rotational axis between the base (110) and the support (120), a bracket (130) arranged on the support (120) to be selectively rotatable about a second rotational axis between the support (120) and the bracket (130), and at least three claws (140) installed on the bracket (130) for releasably clamping a body of a vehicle tire (600) on the bracket (130) such that the central axis of the body of the vehicle tire (600) clamped by the claws (140) is coaxial with the second rotational axis, at least one of the tire rotating device (100) and the foaming machine (200) is movable to enable the nozzle (210 or 210') to be at least partially located in a hollow space surrounded by the body of the vehicle tire (600), wherein during and / or after application of the foamable composite on an inner wall of the body of the vehicle tire (600), the bracket (130) is driven to selectively rotate about the second rotational axis and / or the base (110) can be driven to selectively rotate about the first rotational axis, the first rotational axis is not coplanar with and at a right angle relative to the second rotational axis, and the foam layer structure is formed after the foamable composite is self-foamed and cured. The present disclosure also relates to a vehicle tire manufacturing system and a vehicle tire.

The invention belongs to the technical field of tire performance testing, and discloses a sample preparation method for keeping a tire shoulder groove complete in a tire deflection fatigue test, and the method comprises the following specific steps: 1, obtaining the size of a groove structure, placing a to-be-detected tire on a laser scanner workbench, and setting scanning parameters to identify a tire shoulder pattern block and the groove structure; the actual size of a tire shoulder groove is accurately obtained through laser scanning, a three-dimensional image model is generated, and the most critical and most likely-to-fail original groove geometrical shape of a tire shoulder is completely reserved in combination with a vertical directional cutting technology; meanwhile, the rubber material at the bottom of the groove is not subjected to any secondary machining, so that the original vulcanization state, crosslinking density and internal stress state are kept, and the material performance of the manufactured tire is truly reflected; on the basis, the fatigue crack can be generated and expanded at a real position of stress concentration in an actual design structure, and the form and the rate of the fatigue crack are more fit with a failure mode in actual use.

The present application relates to the technical field of tire manufacturing, and particularly relates to a segment and a processing method thereof, wherein the segment comprises a cover, a base, a middle sleeve insert ring, a plurality of sliding blocks and a plurality of bolts, one side of the cover is detachably connected with the inside of the middle sleeve insert ring through a part of the bolts, the bottom of the middle sleeve insert ring is detachably provided with the middle sleeve through a part of the bolts, the inside of each sliding block is lapped with a pattern block, and the segment comprises an electric spark cutting machine tool and a ring rolling machine, the electric spark cutting machine tool comprises an electrical module and a mechanical module, the electrical module comprises an image acquisition module, a data collection module, a discharge state prediction module and an upper computer control program module. The present application has the effects that the relationship between the spark characteristics and the discharge state is summarized based on the collected data, the processing state is accurately predicted and tracked, the discharge frequency and power are controlled in real time, the processing parameters are controlled, and the precision of the segment processing is improved.

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.

This application discloses an electromagnetic heating method for tire vulcanization, comprising the following steps: Step one, dividing the tire mold into multiple regions corresponding to the tire crown, bead, and sidewall; applying heating power to each region using an electromagnetic heating device, the heating power matching the heat required by each region during the vulcanization process; Step two, dividing the tire vulcanization process into at least two dynamic control stages, including a rapid heating stage and a constant-temperature vulcanization stage; and calling an independent, pre-set set of control parameters for each dynamic control stage to perform real-time closed-loop feedback adjustment of the heating power. This electromagnetic heating method for tire vulcanization enables efficient, energy-saving, and intelligent precise temperature control throughout the entire tire vulcanization process, thereby achieving high-quality, low-energy, and intelligent tire manufacturing.

The present invention relates to the technical field of tire processing. Disclosed is a curing device for manufacturing a rubber tire having high curing activity. The curing device specifically comprises a base; the top end of the base is connected to a movable seat by means of a first hydraulically retractable rod; and a lower mold adapted to a rubber tire is fixed to the top of the movable seat, a fixing hole being provided in the middle of the movable seat, a blocking and connection structure being provided under the fixing hole, a slot being provided outside the fixing hole, a limiting ring adapted to a green tire being movably connected in an inner cavity of the slot, and the limiting ring being connected to the movable seat by means of a second hydraulically retractable rod. Said curing device is provided with an airbag structure, so that during the curing process of a rubber tire, a molding block can occupy part of the space in a green tire so as to reduce the amount of gas required when a curing bladder presses the green tire, such that the gas can quickly come into contact with the green tire to press the green tire, thereby improving the curing speed of green tires.

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 relates to the technical field of product quality prediction in process industries, specifically to a method for constructing a tread product quality prediction model in the tire manufacturing industry. The method includes the following steps: S1: Collecting and organizing multi-source heterogeneous tread production process data and product quality inspection data to establish a structured dataset with a unified format; S2: Using the isolated forest algorithm to detect and remove outliers in the data; S3: Completing sensor time calibration alignment based on the dynamic characteristics of the production process and a numerical sensor time calibration method using timestamps; S4: Extracting features from the tread time-series data; S5: Decomposing the feature set and feeding it into an improved LSINet model to establish a tread quality prediction model, obtaining the final tread quality prediction result. This invention provides a method for analyzing tread quality in the tire manufacturing industry, helping companies trace quality problems of non-conforming products and improve tread product quality and production efficiency.

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 and system that suppresses the unwinding of unvulcanized rubber strip material wrapped around a drum body, thereby enabling the production of high-quality tires with high productivity. [Solution] For each rubber specification of the strip material S, the appropriate range of surface temperature when winding the strip material S onto the drum body 2 is determined in advance. Based on the extrusion temperature of the strip material S from the extruder 1 and the ambient temperature of the transport path from the extruder 1 to the drum body 2, the control device 8 calculates the rate of decrease in surface temperature of the strip material S over time. Based on this rate of decrease and the appropriate range, the control device 8 calculates the time required for the extrusion temperature and the transport path under those ambient temperatures to reach the appropriate range. The control device 8 then controls the length of the transport path or the transport speed so that the transport time for transporting the strip material S from the extruder 1, which is the starting point of the transport path, to the outer circumference of the drum body 2, which is the ending point, is the required time.

The invention relates to the technical field of tire manufacturing, and particularly discloses a method for controlling rubber edge impurities of an all-steel-wire radial tire, the method for controlling the rubber edge impurities of the all-steel-wire radial tire is avoided from the design end of a production mold, and the method for controlling the rubber edge impurities of the all-steel-wire radial tire comprises the following steps: firstly, setting the width of a tread, and according to the set width of the tread, controlling the rubber edge impurities of the all-steel-wire radial tire; calculating the width of a belted layer of the tire, and calculating the width of a tire blank parting line according to the width of the belted layer; if not, the width of a mold parting line is set according to the width of the tire blank parting line; then, the height of a mold parting line is designed, whether the height of the mold parting line is reasonable or not is judged, if yes, a tire production mold is designed according to the set width of the mold parting line and the set height of the mold parting line, and by means of the method, generation of rubber edge impurities can be avoided from the design end of the production mold; the problems that in the prior art, rubber edges are prone to occurring in tire production, so that the production efficiency is low, and the cost is high are solved.