579 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 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 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.

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 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 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.

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 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.

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

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.

The invention belongs to the field of rubber tire manufacturing, and particularly relates to a rubber tire reinforcing filler and a preparation method thereof. The method comprises the following steps: 1) putting steel fiber powder into an aluminum-containing treatment solution, carrying out surface treatment, adjusting a solution system to be alkaline, and aging to obtain modified steel fibers; 2) preparing steel wire glue, and uniformly spraying the steel wire glue on the surface of the modified steel fiber by adopting an electrostatic charge spraying method to obtain a functional fiber; and 3) preparing a composite adhesive, placing the functional fibers in the composite adhesive for negative pressure impregnation, then filtering, rolling, curing and pre-vulcanizing to obtain the rubber tire reinforcing filler. According to the invention, a special microstructure is constructed through etching deposition, and is combined with the silane coupling agent functionalized steel wire glue and the organic functionalized composite glue layer, so that the interface bonding strength between the filler and the steel wire core gold, the glue coating material and other components in the bridle layer is obviously improved, and the uniform dispersion and fixation of steel fibers in the bridle layer are realized by using a small amount of the filler; the specific gravity is greatly reduced, and the properties such as puncture resistance and wear resistance are reserved.

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 present invention relates to the field of tire manufacturing technology, and more particularly to a tire forming method, apparatus, and computer program product for optimizing the rounded reciprocating (RRO) out-of-roundness (RRO) of a green tire. The method comprises the following steps: 1) setting multiple apex positioning angles between 0 and 360 degrees in the forming machine product parameter column; 2) conducting a building drum and steel apex combination test at each angle, measuring the RRO out-of-roundness of 15 to 30 green tires, and taking the average value; 3) comparing the data to determine the minimum RRO out-of-roundness when the positioning angle is angle A; and 4) rotating the building drum by angle A, then combining the building drum with the steel apex. The present invention uses online RRO out-of-roundness data to adjust the angle between the building drum and the steel apex, effectively preventing the overlap of the high points of the building drum and the steel apex, thereby improving the overall quality of the tire.

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 utility model discloses a tire unloading mechanism of a rubber tire in the technical field of tire manufacturing equipment, which comprises a base, a clamping groove is fixedly arranged on the surface of one side of a clamping block, a first connecting block is fixedly arranged at the bottom of one sliding block, a first connecting shaft is fixedly arranged between the bottoms of the first connecting blocks in a penetrating manner, and a second connecting shaft is fixedly arranged between the bottoms of the first connecting blocks. Second connecting blocks are fixedly installed at the bottoms of the two sliding blocks, a second connecting shaft is fixedly installed between the bottoms of the second connecting blocks in a penetrating mode, the second connecting shaft is rotationally connected with one end of an air cylinder, and the output end of the air cylinder is rotationally connected with the surface of the first connecting shaft. The air cylinders stretch out and draw back to drive the sliding blocks to move in the sliding holes, the movement of the sliding blocks can drive the four-side plates to rotate through the connecting rods, the rotation of the four-side plates can drive the sliding blocks at the ends of the other connecting rods to move in the sliding holes, and therefore the effect of rapidly clamping the outer side of the hub is achieved, and the working efficiency is improved.

The present invention provides a rubber composition suitable for use in tire manufacturing, comprising a functionalized polymer and a functionalized silica.

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.