1840results about "Tyres" patented technology

A method and a system for applying a sealing agent to the inner surface (2) of a pneumatic tire (4) comprising a supply circuit (10) having a sealing agent collection device (11) comprising a tank (14); a sealing agent heating device (12); and a sealing agent supply device (13) implemented by means of a pumping device (17) that supplies the sealing agent to an applicator device (7), a piston (26), an extractor element (28) intended to withdraw the sealing agent and to supply it to the pumping device (17); a piston (26) position control device (30); and a level sensor (29) for detecting the quantity of sealing agent within the tank (14); wherein the passage of the control device (30) at the position of the level sensor (29) determines the beginning of depletion position of the tank (14) and a completely empty position of the tank (14) as a function whereof the extractor element (28) and heating element (12) are actuated.

The present application provides a tire rubber material correction method, which uses a tire rubber material correction device. The tire rubber material correction device comprises a conveying device and a first correction plate arranged at an angle relative to the rubber material conveying direction. The tire rubber material correction method comprises: the conveying device conveys a rubber material to the first correction plate, wherein a predetermined distance is formed between an end portion of the rubber material and the first correction plate; and the conveying device drives the end portion of the rubber material to move toward the first correction plate, so that a beveled edge at the end portion of the rubber material is stopped by and abuts against the first correction plate, and the position of the end portion of the rubber material is corrected under the stopping action of the first correction plate. The present application solves the problem in the prior art that the correction effect for the head and tail of a steel-cord rubber material is poor.

A method for preparing a heavy-duty tire with a natural rubber (NR) modified by graphene / carbon blacks varying in particle size synergized with a vulcanization system is provided. Carbon blacks varying in particle size are subjected to surface modification to obtain an graphene oxide / carbon blacks varying in particle size aqueous dispersion. Subsequently, a graphene oxide / carbon blacks varying in particle size modified NR masterbatch is prepared using an aqueous-phase synergistic aggregating precipitating process. Finally, a natural rubber heavy-duty tire is prepared from graphene / carbon blacks varying in particle size synergistically vulcanized modified natural rubber through a molding process. Compounding of graphene with the carbon blacks varying in particle size is utilized to improve dispersion of reinforcing fillers within the rubber matrix. Adjustment of a ratio of a vulcanizing agent to an accelerator is utilized to regulate a cross-linked network structure of the rubber.

The utility model belongs to the technical field of tire vulcanization equipment, and discloses a nitrogen heating system and tire vulcanization equipment. The nitrogen heating system can inject heated nitrogen into a capsule of the tire vulcanization equipment, so that the capsule is expanded, and the tire blank is attached to a cavity of a mold of the tire vulcanization equipment. According to the nitrogen heating system provided by the utility model, the temperature and the pressure in the vulcanization process can be independently adjusted according to the rubber crosslinking dynamics requirement and the tire blank fitting pressure requirement respectively, and the risk of over-vulcanization or under-vulcanization caused by passive change of the temperature when the pressure is adjusted in the traditional process is avoided. In addition, the defects of energy loss and local low temperature caused by the fact that steam is in contact with the surface of a low-temperature mold and condensed into liquid water in a traditional process are overcome, so that the vulcanization uniformity can be improved, and the defective rate is reduced.

A powered tool for repairing a tire includes an electric power unit, a control unit, a trigger unit, and a speed switching unit. The electric power unit includes a driven shaft adapted to output kinetic energy and a motor driving the driven shaft to rotate. The control unit includes an actuating switch operable to output an actuated signal associated with a movement distance of an actuator and a processing module configured to control rotation of the rotating member at one of first and second rotational speeds according to the actuated signal. The speed switching unit is operable to move between first and second rotational speed positions such that the actuator travels first or second distances as being pushed by the trigger unit.

The utility model relates to a positioning device for fixing a tire blank in the technical field of manipulator positioning. The positioning device comprises a clamping jaw unit, a radial telescopic mechanism, a driving unit and a fixing mechanism, the radial telescopic mechanism comprises four sets of sliding block-connecting rod assemblies symmetrically arranged along the circumference at 90 degrees, one ends of connecting rods are hinged to sliding blocks, and the other ends of the connecting rods are hinged to a rotary connecting base. The clamping jaw unit comprises four sets of clamping jaws symmetrically arranged along the circumference, and the clamping jaws are connected with the sliding blocks through clamping jaw fixing discs. The driving unit comprises two air cylinders, and the output ends of the air cylinders drive the four connecting rods to move synchronously through air cylinder connectors. One end of the fixing mechanism is fixedly connected with the clamping jaw fixing disc, and the other end is connected with the mechanical arm; the device is suitable for grabbing and conveying tire blanks, and has the advantages of being accurate in positioning and higher in automation.

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.

The invention relates to the technical field of tire rubber manufacturing, and discloses a low-odor low-VOC sidewall rubber composition, a mixing method thereof and a tire, a brominated copolymer (BIMS) of isobutene and p-methylstyrene is adopted, and the use of an amine anti-aging agent is canceled; according to the invention, tetrabenzylthiuram disulfide (TBzTD) is adopted as a main accelerant, and a traditional sulfenamide accelerant is replaced; the softening and reinforcing resin is adopted to replace an oil softener, so that small molecular substances in aromatic hydrocarbon oil or naphthenic oil are prevented from being separated out, and phenol possibly generated by using phenolic resin is avoided; carbon black is matched with a small amount of white carbon black, so that odor molecules are effectively adsorbed; and the steps of lifting an upper top peg and opening a charging door for exhausting are added in the plastifying and mixing sections. The synergistic effect of the optimized formula raw materials effectively avoids the generation of odor molecules, the escape of a large number of VOC molecules is improved, and the exhaust step further reduces the residual quantity of the VOC molecules in the final mixed rubber, so that the odor grade of the tire is improved.

The invention discloses a cooling device for a vulcanizing machine, belongs to the field of production of rubber products, and aims to solve the problems that a tire is not a simple solid cylinder or a multi-edge irregular shape, the thickness difference of different parts is large, and a tread is provided with complicated pattern grooves due to direct contact with the ground, so that the tire cannot be damaged. The cooling device for the vulcanizing machine solves the problems that due to the structural characteristics, heat distribution on the surface of a tire is extremely uneven, the heat dissipation resistance of a thick-wall part is large, waste heat accumulation is obvious, and cooling blind areas are likely to be formed in a thin-wall part and deep positions of pattern grooves, and comprises a base and a first supporting plate arranged above the base. The first water storage tank is fixedly connected to the lower portion of the base, the second water storage tank is fixedly connected to the upper portion of the first supporting plate, the air rod continues to move downwards to drive the rotating mechanism to rotate, a spray head rotates while spraying water for cooling, and therefore more comprehensive cooling covering on tires is achieved. Therefore, the effect of reducing the cooling blind area is achieved.

The utility model discloses an auxiliary tool for manually attaching mute sponge. The auxiliary tool comprises a fan-shaped guide groove, a guide rod, a handle, a first buckle, a lead screw, a supporting rod, a fixing base and a fixing screw. By adopting the auxiliary tool, the situation that the center position of the tire crown cannot be found by manually attaching the mute sponge can be avoided, and the mute sponge is prevented from being attached to one side or snakelike. In addition, no matter how the width of the sponge changes, the lead screw can be adjusted to advance or retreat to ensure the width of the mute sponge, it is ensured that the mute sponge is attached to the center of the tire crown, the noise reduction performance is achieved, and the guiding function is mainly achieved.

The application discloses a kind of automatic feeding and discharging devices for semi-steel radial protruding white ring tire production, including hollow base, the top of the hollow base is provided with screw lifting assembly, the output structure transmission connection of screw lifting assembly is equipped with support shaft, and the one end of support shaft is equipped with pneumatic clamping component, the bottom of screw lifting assembly is provided with the rotary adjusting mechanism that is sleeved in the inside of hollow base one side.The automatic feeding and discharging device for semi-steel radial protruding white ring tire production, can be in the rotating pre-clamping process of second brake servo motor through first gear, second gear meshing transmission rotating shaft, screw lifting assembly, second brake servo motor makes inverted T type gear shaft linkage engagement two straight toothed plates by synchronous belt, and then by two straight toothed plates through corresponding transmission plate linkage corresponding curved elastic pressure frame plate, is clamped to the center by two curved elastic pressure frame plates synchronous to the multiple tire bodies in stacked state before clamping and maintains clamping effect.

An additive manufacturing process for all or part of a tire tread configured to smooth any raised areas (R) present on a circumferential bearing surface (5) of said tire by depositing an extruded material forming the tread, wherein a pressure regulating device (24) inside the extruder is controlled in real time, via a pressure control loop, according to a pressure measured by the pressure sensor and a constant pressure setpoint. The process is configured to smooth a plurality of raised areas (R) present on a circumferential bearing surface (5) of the tire. Figure for the abstract: Fig 8A

A tire tread (12) is disclosed comprising a first tread element (30) with a first radially outermost surface (32), a second tread element (34) with a second radially outermost surface (36), and a groove (38) between the first tread element (30) and the second tread element (34). The groove (38) comprises a first section (40) and a second section (42). The first section (40) comprises a side surface (48) which extends from the first radially outermost surface (32) and which is inclined with respect to the first radially outermost surface (32) under a first inclination angle. The second section (42) comprises: i) a radially outermost portion (58) with an inclined surface (60), which is inclined with respect to the first radially outermost surface (32) under a second inclination angle which is narrower than the first inclination angle, the first inclination angle and the second inclination angle exhibiting an inclination difference ranging from 20° to 80°; ii) a radially innermost portion (64) with a passage (66) extending toward the first section (40); and iii) a slit portion (68) radially connecting the radially innermost portion (64) to the radially outermost portion (58), said slit (68) portion being narrower than the passage (66). Also, a mold for molding such a tire tread (12) is disclosed.

The utility model relates to vulcanizing machine tire loading mechanism technical field, especially vulcanizing machine tire loading hand open and close control system, including the tire grabber body, the tire grabber body includes: fixed disc, rotates the disc, rotates the connection in fixed disc, turns to the arm, and is fixedly connected with fixed disc through the connecting frame, sliding block, multiple sliding blocks are fixedly connected in fixed disc in the circumferential array distribution, linear guide rail, multiple linear guide rails are connected with corresponding sliding block sliding fit respectively, and the extension direction of every linear guide rail is parallel to the horizontal plane, the tire grab claw piece, multiple tire grab claw pieces are connected in the inboard of each linear guide rail respectively, are used for grabbing the tire, electric cylinder, the cylinder body connects the arm, and the telescopic rod end of electric cylinder is connected in one of linear guide rails through the connecting piece, connecting rod, one end of connecting rod is pivoted in the outside end of linear guide rail, and the other end is pivoted in rotating disc, etc.

In the manufacture of tyres for vehicles, one or more layered annular parts are obtained by arranging a radially outer annular layer (7a) having a toroidal shape around a central geometric axis (X), said radially outer annular layer having a concave surface directed towards the central geometric axis (X). A radially inner annular layer (7b) having a toroidal shape is then applied against the radially outer annular layer (7a), said radially inner annular layer having a convex surface directed away from the central geometric axis (X). The axially opposite end flaps (26) of the radially outer annular layer (7a) are moved apart from each other prior to application of the radially inner annular layer (7b).

This invention relates to the field of tire vulcanizing machine technology, and in particular to a hot plate heating structure for a tire vulcanizing machine. The hot plate heating structure includes: a heating assembly comprising a hot plate and an electromagnetic heating coil; and a magnetic leakage prevention assembly comprising an electromagnetic coil frame plate, a high-permeability magnetic ferrite, and a ferrite heat insulation plate; the hot plate, the electromagnetic coil frame plate, and the ferrite heat insulation plate are stacked sequentially; the electromagnetic heating coil is sandwiched between the hot plate and the electromagnetic coil frame plate; and the high-permeability magnetic ferrite is sandwiched between the electromagnetic coil frame plate and the ferrite heat insulation plate. In this invention, the sequential stacking of the hot plate, electromagnetic heating coil, electromagnetic coil frame plate, high-permeability magnetic ferrite, and ferrite heat insulation plate allows for both electromagnetic induction heating of the hot plate using the electromagnetic heating coil and blocking magnetic leakage to the base using the high-permeability magnetic ferrite; and also prevents heat conduction from the hot plate to the base when the ferrite heat insulation plate is connected to the base, achieving dual magnetic and thermal isolation.

The invention relates to a method for depositing a layer of viscous product (2) on an inner surface (3) of a tread (4) of a tire (1), the method comprising at least the steps of: rotating the tire (1) about its axis of revolution; positioning a deposition nozzle (12) in line with the inner surface (3) of the tread (4), and applying a layer of viscous product (2) to the inner surface (3), turn by turn. According to the invention, the tire (1) is held in a position such that the axis of revolution of the tire (1) extends at an angle between plus or minus 30° relative to the horizontal.

The utility model relates to the technical field of tire mute cotton pasting, and discloses an automatic tire mute cotton pressing and attaching device which comprises a base, a U-shaped frame is fixedly connected to the rear side of the top of the base, a supporting plate is slidably connected to the inner side of the U-shaped frame, and a connecting frame is fixedly connected to the top of the supporting plate. A through groove is formed in the front side of the connecting frame, a motor is fixedly connected to the front side of the top of the connecting frame, the output end of the motor penetrates through the connecting frame and is fixedly connected with a threaded rod, a sliding block is slidably connected to the outer side of the threaded rod, and connecting rods are rotatably connected to the front side and the rear side of the sliding block. The motor drives the threaded rod to rotate, at the moment, the sliding block moves along with the threaded rod, the supporting base is driven to move through the connecting rod, the second pressing plates are driven to rotate when the supporting base moves, and tires of different models and sizes can be matched by adjusting the angles of the second pressing plates on the two sides.

The present application relates to the technical field of tire processing, in particular to a kind of meridian aviation tire's anti-cut layer laminating equipment, including base, forming drum main body and controller, the base top is provided with forming drum main body, the base top is provided with controller, it further includes: ultrasonic lamination assembly, it is installed at base top, for carrying out lamination operation to the anti-cut layer on tire;Air cooling component, it is installed on ultrasonic lamination assembly, for ultrasonic lamination assembly cooling cooling;Wherein, the ultrasonic lamination assembly with the air cooling component are with the controller electric connection;When it is used, tire is sleeved on forming drum main body, anti-cut layer is initially pasted on the outer lateral wall of tire, and the tire rotating on forming drum main body and anti-cut layer are compressed by controller operation ultrasonic lamination assembly, avoid traditional hot pressing or pure mechanical compression for aramid-rubber such high inert interface, bonding strength has reached bottleneck, and high heat can damage material.

The present invention relates to a method for producing a vehicle tire, comprising the following steps: a) providing a textile reinforcing support; b) at least the following steps: b1) adding at least one polycarboxylic acid to water; b2) adding at least one base; b3) adding at least one epoxy compound; b4) adding at least one polyisocyanate compound; b5) adding at least one VP latex; and b6) mixing the substances from b1) to b5) to provide a resorcinol- and formaldehyde-free bath; c) immersing the reinforcing support from step a) in the bath from step b); d) subsequently hot-stretching the immersed reinforcing support from step c); and e) further processing the reinforcing support from step d) to form a reinforcing support layer into a vehicle tire blank. The present invention further relates to the use of reinforcing supports treated in such a method in vehicle tires and technical rubber articles produced using the method according to the invention.

This invention relates to the field of tire technology, specifically to a tire forming equipment and method with an exhaust device. The equipment's exhaust pipe extends into the space between the tire's forming layers and moves vertically in a circular motion as the bonding drum rotates, performing a vacuuming action between the tire's forming layers. This prevents damage to the tire caused by interlayer gas during rolling, thus improving the yield rate of the formed tires.

Manufacturing process for producing a pre-vulcanized tread (1), comprising the process steps: - providing a tread vulcanizing press, - filling the tread vulcanizing press with a component set, wherein the component set comprises a tread mixture, - pre-vulcanizing the component set in the tread vulcanizing press to form the pre-vulcanized tread (1), - demolding the pre-vulcanized tread (1) from the tread vulcanizing press, wherein the component set comprises a reinforcing layer (2).

This utility model relates to the technical field of tire production equipment and discloses a giant tire forming machine, including a longitudinal track. One end of the longitudinal track is equipped with a tire carcass shaping device, and the other end of the longitudinal track is equipped with several sets of tread winding drums. A tread winding device is located on one side of each tread winding drum. The tire carcass shaping device includes a tailstock section and at least one set of tire carcass transfer rings, both of which are mounted on the longitudinal track. This utility model reduces the lateral footprint of the equipment and can process multiple tire shells simultaneously, effectively improving the production efficiency of giant tires.

The present invention relates to a method for producing an aqueous dipping composition for textile reinforcing materials, particularly cords, characterized by the steps of - adding at least one polymer functional groups selected from carboxylic acid groups, sulfonic acid groups or phosphonic acid groups, into water, - adjusting the pH value until pH 5-11 by adding a volatile base selected from ammonia hydroxide or ammonia, - adding at least one latex, wherein the at least one latex is a vinyl pyridine (VP) latex, - optionally adding at least one rubber modifier selected from the group consisting of carbon black, silica, lignin, pottery clay powder, mica powder, kaolin, bentonite, liquid paraffin, solid paraffin, or wax or combinations thereof, to the composition, - obtaining the aqueous dipping composition, wherein the solid-based weight ratio of the latex to the polymer with functional groups selected from carboxylic acid groups, sulfonic acid groups or phosphonic acid groups, is at least 5, with the proviso that the obtained dipping composition is essentially free of resorcinol, formaldehyde, epoxy and isocyanate.

The utility model discloses an external wheel forming die's correction mechanism, including base and support column, the support column symmetry fixed junction in base both sides to set up the correction subassembly in the base upper portion, the correction subassembly is used for heating correction to the external wheel, still include the rotating subassembly of setting up between the support column, the rotating subassembly is used for driving the external wheel and carries out the clamping rotation. The utility model belongs to external wheel forming die technical field, and specifically is the correction mechanism of automatic external wheel forming die of real -time monitoring the deviation situation of external wheel and automatic control correction accuracy.

The present application provides a sponge-filled automobile tire and a manufacturing method thereof, comprising a tire body and a sponge block; the tire body is provided with a through hole for passing through a hub, and a cavity is arranged in the tire body and communicates with the through hole, and the sponge block is inserted into the cavity; the sponge block is provided with a through opening, and a cloth sleeve is sleeved on the outer wall of the sponge block outside the through opening. The present application utilizes the design of the cloth sleeve, the cloth sleeve is sleeved on the outside of the sponge block, when the sponge block is filled into the cavity, the cloth sleeve on the outside of the sponge block is bonded with the glue sprayed on the inner wall of the cavity, avoiding the case that the sponge block is directly bonded inside the cavity, when the tire body is punctured, the cloth sleeve is separated from the tire body, so that the sponge block can be disassembled, which facilitates the disassembly of the sponge block, and avoids the case that the sponge block and the tire body are bonded and broken during disassembly of the sponge block, part of the sponge block is left in the cavity, which causes inconvenience in cleaning and repairing the tire body.

This utility model discloses an adjuster for adjusting wheel spacing, including a first fixing plate with a first fixing hole on its surface. An inner connecting cylinder is fixedly connected to one side surface of the first fixing plate. An annular washer is slidably sleeved on one end of the outer surface of the inner connecting cylinder. An outer connecting cylinder is slidably sleeved on the outer surface of the inner connecting cylinder. A second fixing plate is fixedly connected to one end of the outer connecting cylinder. The second fixing plate has a second fixing hole on its surface. A central cylinder is fixedly connected to the middle position inside the inner connecting cylinder. The central cylinder has a threaded hole inside. A countersunk hole is provided on one side of the second fixing plate. A through hole is provided inside the countersunk hole. A combination screw is rotatably installed inside the through hole. The combination screw is threaded into the threaded hole, allowing for alignment and locking to ensure safety and stability, facilitating adjustment and use, and providing high adaptability.

A building method for building a multi-layer component (7) of a tyre (2) is carried out in a station (11) in which a radially outer layer (7a) is arranged and shaped to form the multi-layer component being treated. Subsequently, a radially inner layer (7b) is arranged and shaped in the multilayer component being processed until it is bonded to the multilayer component. In the station (11), the building drum (13) has a building surface (14) and the profiling drum (17) comprises a profiling body (18) having a forming surface (19). The shaped surface (19) has a convex axial profile corresponding to the axial profile of the multilayer component (7). The build surface (14) is openable and closable at the axial median line region (M) so as to create an annular opening (16) adapted to allow at least the profiling body (18) to pass radially.

The invention discloses a vehicle tire repairing method, a vehicle and a tire, and relates to the technical field of tire repairing, the tire internally comprises a repairing agent packaging body and a triggering mechanism, the repairing agent packaging body comprises a repairing agent, and the triggering mechanism is used for damaging the packaging integrity of the repairing agent packaging body. The vehicle tire repairing method comprises the steps that the airflow state in a tire is monitored; and under the condition that it is recognized that the airflow state of the target feature exists in the tire, the triggering mechanism is controlled to be started, so that under the condition that the repairing agent packaging body is incomplete, the repairing agent is released, and the damaged part of the tire is filled with the repairing agent under the action of the air pressure in the tire. According to the method, the tire burst risk caused by slow decrease of the tire pressure can be avoided, and the safety and stability of vehicle driving are improved.