483 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 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 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 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.

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 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.

A method is provided for switching over a tire manufacturing line from a first manufacturing mode to a second manufacturing mode, the tire manufacturing line including a plurality of modules arranged in-line between an input side and an output side of the tire manufacturing line. The method comprises the steps of operating the plurality of modules in the first manufacturing mode, progressively switching over modules from the first to the second manufacturing mode, operating the modules that have been switched while simultaneously operating modules that have not been switched. The method further comprises the steps of providing a joint in a strip, and switching over at least one module from the first manufacturing mode to the second manufacturing mode at arrival of the joint.

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.