CN110239283A

CN110239283A - Steel wire carcass HP tire and its manufacturing process

Info

Publication number: CN110239283A
Application number: CN201910561446.4A
Authority: CN
Inventors: 徐伟; 刘杰; 王君; 李勇; 戚顺青; 董康; 焦冬冬; 刘继发; 任振兴; 张晨曦; 唐效蕾; 张琳; 王伟; 邢正涛; 李园园; 赵玉娜; 梁垂燕
Original assignee: Qingdao Doublestar Tire Industry Co Ltd
Current assignee: Qingdao Doublestar Tire Industry Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2019-09-17
Anticipated expiration: 2039-06-26
Also published as: CN110239283B

Abstract

The invention discloses a kind of steel wire carcass HP tire and its manufacturing process, belong to steel wire carcass tire art.The steel wire carcass HP tire, tire longitudinal direction section includes the crown positioned at upper outside, the tire shoulder being connected with crown, the sidewall being connected with tire shoulder, the tyre bead being connected with lower sidewall, and the carcass on the inside of tire section, carcass include carcass ply, carcass ply is made of single layer of wires cord, all-steel cord includes more steel wires, the strength index of carcass ply is 30000-50000N* root/dm, and the Fracture Force of all-steel cord is 350N-800N, and the bending stiffness of all-steel cord is 70Nmm²‑130Nmm², for the diameter of all-steel cord between 0.50mm-0.75mm, steel wire diameter is less than 0.3mm.The present invention solves the prior art when can not solve steel wire for carcass, and existing rim of the mouth comes to nothing and problem of stress concentration, the problem of cannot achieve the industrialized production of steel wire carcass tires, product have the characteristics that intensity is big, handling, comfort property is good, rolling resistance is small, durability is good, can industrialized production.

Description

Steel wire carcass HP tire and its manufacturing process

Technical field

The invention belongs to steel wire carcass tire art more particularly to a kind of steel wire carcass HP tire and its manufacturing process.

Background technique

HP (high performance) tire, also known as economical tire, adopted section of naming mostly it is wide 225mm once, Small tyre of the depth-width ratio 55 or more, is mostly used on some economy cars.HP tire mainly pursues the comfortable of product Property, fuel-economizing, often only one layer or two layers polyester, nylon material, the safety of tire can not be protected the framework material on sidewall Barrier, in potted road surface, it is easy to cause sidewall cords break, form bulge.Simultaneously existing HP tire sidewall only have one layer or For two layers of carcass ply as support, the impact resistance of tire is weaker, it is easy to the problem of hitting bulge occur.

Chinese patent CN201610951286 discloses a kind of all steel muddy ground tire, and the tire is with layer of steel wire cord generation For the three layers of nylon or polyester material of existing muddy ground tire, the intensity, impact resistance and endurance quality of tire are improved.

However, due to steel wire there are flexural rigidities big, the strong problem of resilience, holding when steel wire is used for carcass material It easily causes rim of the mouth to come to nothing and the problems in stress collection, influences the service life of tire, above-mentioned patent does not solve fundamentally Existing rim of the mouth is come to nothing and problem of stress concentration when certainly steel wire is used for carcass, cannot achieve the industry of steel wire carcass tires Metaplasia produces.

Summary of the invention

Place in view of the shortcomings of the prior art, the technical problem to be solved by the present invention is to the prior arts to solve Existing rim of the mouth is come to nothing and problem of stress concentration when certainly steel wire is used for carcass, cannot achieve the industry of steel wire carcass tires The problem of metaplasia produces proposes that a kind of intensity is big, handling, comfort property is good, rolling resistance is small, durability is good, can industrial metaplasia The steel wire carcass HP tire of production.

To solve the technical problem, the technical solution adopted by the present invention are as follows:

The present invention provides a kind of steel wire carcass HP tire, tire longitudinal direction section includes the crown positioned at upper outside, with The connected tire shoulder of the crown, the sidewall being connected with the tire shoulder, the tyre bead being connected with the lower sidewall, and it is located at wheel Carcass on the inside of tire section, the carcass include carcass ply, and the carcass ply is made of single layer of wires cord, the steel Silk cord includes more steel wires, and the strength index of the carcass ply is 30000-50000N* root/dm, the all-steel cord Fracture Force is 350N-800N, and the bending stiffness of the all-steel cord is 70Nmm²-130Nmm², the diameter of the all-steel cord is Between 0.50mm-0.75mm, the steel wire diameter is less than 0.3mm.

Preferably, the tyre bead includes wire loop, and triangle rubber, the triangle rubber are coated on the circumference of the wire loop It radially extends from triangle rubber lower extreme point to triangle rubber upper extreme point, the carcass is around the wire loop bottom reversed to sidewall After radially extend to carcass anti-package endpoint, thickening film, the carcass anti-package are equipped between the carcass and the triangle rubber Endpoint is connected by the thickening film with the triangle rubber.

Preferably, the thickening film includes endpoint on the inside of the thickening film on the inside of the triangle rubber, and is located at institute The thickening film outer point on the outside of triangle rubber is stated, the radial height of endpoint is higher than the triangle rubber on the inside of the thickening film The radial height of upper extreme point, the radial distance between the thickening film inside endpoint and the triangle rubber lower extreme point are not less than 5mm, the radial distance between the thickening film inside endpoint and the triangle rubber upper extreme point are not less than 10mm；The thickening The radial height of film outer point is not less than the radial height of the carcass anti-package endpoint.

Preferably, strengthening course is equipped between the carcass and the sidewall, the lower end of the strengthening course is located under strengthening course Anchor point, the upper end of the strengthening course are located at anchor point on strengthening course, and the carcass anti-package endpoint is radially positioned at the reinforcement On the lower anchor point of layer and the strengthening course between anchor point；Under the strengthening course between anchor point and the carcass anti-package endpoint Radial distance be 10-20mm；The radial height of anchor point is higher than the radial high of the triangle rubber upper extreme point on the strengthening course It spends, the radial distance of anchor point and the triangle rubber upper extreme point is greater than 10mm on the strengthening course；The strengthening course and tire circle Week is in 0-55 ° of angle.

Preferably, the radial height of the triangle rubber upper extreme point is higher than the radial height of the carcass anti-package endpoint, described The radial distance of triangle rubber upper extreme point and the carcass anti-package endpoint is greater than 10mm, with the carcass anti-package endpoint connecting place The thickness of the triangle rubber be not less than 2mm, it is described thickening film with a thickness of 0.5-2mm.

It preferably, further include the wheel rim protection lower extreme point for being located at the sidewall and being connected with wheel rim, carcass anti-package end Radial distance between point and wheel rim protection lower extreme point is less than 15mm.

Preferably, the radial height of the triangle rubber upper extreme point is lower than the radial height of the carcass anti-package endpoint, described The radial distance of triangle rubber upper extreme point and the carcass anti-package endpoint is greater than 10mm, the thickening film with a thickness of 1.0- 4.0mm。

Preferably, positioned at the wire loop two sides the carcass inner surface between the carcass anti-package endpoint Distance be 2.0-5.0mm；The outer surface of the carcass on the outside of the wire loop is with the sidewall outer surface described Distance between carcass anti-package endpoint is 2.5-10mm.

The present invention also provides a kind of manufacture works for steel wire carcass HP tire described in any of the above-described technical solution Skill, including severing technique and moulding process,

Severing technique include lead out, severing, connector；

The severing includes: that fabric clamp pushes down wirecord fabric, then by rectangle hilt steel wire cord fabric cutting；The square Shape knife includes upper and lower two rectangle cut-off knives；The rectangle knife knife face is alloy knife face；The rectangle knife knife face Rockwell hardness is HRC28-HRC45；Upper and lower two rectangle cut-off knife horizontal clearances are less than 1.5；

The connector includes: that the wirecord fabric after severing is turned to by magnet holder absorption, is transported to splicing apparatus On spliced；Feeding and the gap passed between material are adjusted to 1.5-2.5mm, upper and lower splicer suture pressure adjust to 0.15-0.25Mpa；

Moulding process includes: fitting, buckle ring, pre-setting, carcass anti-package, unloads tire；

The fitting includes that the fitting of PA component, strengthening course fitting and steel wire tire are shown consideration for and closed；Wherein steel wire tire consideration has merged After connector, rear pressure roller extend out to designated position and compresses steel wire carcass, and carcass drum is rotated with the revolving speed of 80 ± 10 r/min, Platen pressure is maintained at 2-2.5bar afterwards, and carries out translation rolling outward according to the lateral velocity for having set 5-15mm/sec, directly Rolling to carcass endpoint terminates.

Preferably, the buckle ring includes tyre bead locking block locking buckle ring；Wherein tyre bead locking block is by after tyre bead locking, and Keep tyre bead locking block high pressure in 5.5bar or more；

The pre-setting includes carcass drum inflation；Wherein the carcass drum is inflated with the pressure of 1.1-1.3bar；

The carcass anti-package includes counter-wrapping rod anti-package；When counter-wrapping rod anti-package, the pressure of the counter-wrapping rod is not less than 3.5bar；And rotation pressure roller keeps the rolling pressure of 2-3bar to be rolled after completing anti-package.

The present invention also provides another manufactures for steel wire carcass HP tire described in any of the above-described technical solution Technique, including severing technique and moulding process, which is characterized in that

Severing technique include lead out, severing, connector；

Moulding process includes: liner layer and carcass fitting, buckle ring, carcass anti-package, anti-package pressing, tire bead cloth and sidewall patch It closes, fetus molding；

Liner layer and carcass fitting include liner layer fitting, steel wire tire consideration conjunction；Wherein steel wire tire is shown consideration for merge and completes to connect After head, lower compression roller rising touches steel wire carcass, and keeps pressure in 1-2bar, and carcass drum is revolved with the speed of 600-800mm/s Turn, lower compression roller carries out translation rolling with the speed of 5-30mm/s, from steel wire carcass middle position to carcass drum endpoint.

Preferably, the buckle ring includes the crawl of finger-type piece and bead ring buckle ring；The time of its finger-type piece crawl steel wire carcass For 2-4s；When bead ring buckle ring, the dead time is 1-2s when bead ring is moved to designated position；

The carcass anti-package includes reverse-wrapped capsule inflation；Wherein reverse-wrapped capsule inflation is specially that reverse-wrapped capsule inflates 2-4s, Pressure is maintained at 3.5-4.5bar；After reverse-wrapped capsule anti-package stagnates 2-4s afterwards in place, reverse-wrapped capsule is deflated；

The anti-package pressing includes rolling；Wherein rolling is specially that lower compression roller rising touches steel wire carcass, and keeps pressing Power is rotated in 2-3bar, carcass drum with the speed of 600-800mm/s, and lower compression roller is with the speed of 10-30mm/s, by carcass drum end Point to steel wire carcass anti-package endpoint is rolled.

Compared with prior art, the beneficial effects of the present invention are:

1. the present invention provides a kind of steel wire carcass HP tire, it can be obviously improved the security intensity of HP tire, thus further Reduce the risk blown out after tire collides under steam；

2. the present invention provides a kind of steel wire carcass HP tire, tire of the invention substitutes HP made of other fibrous materials Tire, handling is obviously improved in the process of moving；

3. the present invention provides a kind of steel wire carcass HP tire, HP tire applications steel wire of the present invention removes the materials such as substitution polyester, Even if tire weight rises, but rolling resistance is not promoted；

4, the present invention provides a kind of manufacturing process of steel wire carcass HP tire, overcomes the defect of prior art, realizes The industrialized production of steel wire carcass HP tire, product quality comprehensive qualified rate reach 99.6%, greatly improve productivity Energy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of steel wire carcass HP tire provided by the embodiment of the present invention 1；

Fig. 2 is the shoulder region structural schematic diagram of steel wire carcass HP tire provided by the embodiment of the present invention 1；

Fig. 3 is the structural schematic diagram of steel wire carcass HP tire bead provided by the embodiment of the present invention 1；

Fig. 4 is the structural representation for the tyre bead that steel wire carcass HP tire provided by the embodiment of the present invention 1 is equipped with strengthening course Figure；

Fig. 5 is the structural schematic diagram of steel wire carcass HP tire bead provided by the embodiment of the present invention 2；

Fig. 6 is the structural schematic diagram of steel wire carcass HP tire bead provided by the embodiment of the present invention 3；

Fig. 7 is the partial enlarged view at steel wire carcass HP tire bead structure A provided by the embodiment of the present invention 3；

Fig. 8 is steel wire carcass HP tyre forming process flow diagram provided by 4- of embodiment of the present invention embodiment 5；

Fig. 9 is steel wire carcass HP tyre forming process flow diagram provided by 6- of embodiment of the present invention embodiment 7；

In above each figure: 1, crown；2, tire shoulder；3, sidewall；4, tyre bead；41, wire loop；42, triangle rubber；421, triangle Glue lower extreme point；422, triangle rubber upper extreme point；43, film is viscosified；431, endpoint on the inside of thickening film；432, on the outside of thickening film Endpoint；44, strengthening course；441, anchor point under strengthening course；442, anchor point on strengthening course；45, wheel rim protects lower extreme point；5, tire Body；51, carcass anti-package endpoint；6, liner layer；7, belt；8, cap strip；9, type glue；10, carcass drum；11, counter-wrapping rod； 12, finger-type piece；13, bead ring；14, reverse-wrapped capsule；15, PA component.

Specific embodiment

In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into In the case that one step describes, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment party In formula.

In the description of the present invention, it is to be understood that, the side of the instructions such as term " on ", "lower", "bottom", "inner", "outside" Position or positional relationship are to be merely for convenience of the description present invention based on attached orientation or positional relationship shown in FIG. 1 and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore is not considered as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be with It is to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Embodiment 1: as shown in Figure 1, the present invention provides a kind of steel wire carcass HP tire, tire longitudinal direction section includes position In the crown 1 of upper outside, the tire shoulder 2 being connected with crown 1, the sidewall 3 being connected with tire shoulder 2, the tire being connected with 3 lower part of sidewall Circle 4, and the carcass 5 on the inside of tire section, carcass 5 include carcass ply, and carcass ply is by single layer of wires cord system At all-steel cord includes more steel wires, and the strength index of carcass ply is 30000-50000N* root/dm, and all-steel cord is broken Disconnected power is 350N-800N, and the bending stiffness of all-steel cord is 70Nmm²-130Nmm², the diameter of all-steel cord is 0.50mm- Between 0.75mm, steel wire diameter is less than 0.3mm.As shown in Fig. 2, the tire further includes belt 7, belt 7 and carcass 5 it Between be equipped with type glue 9, cap strip 8 is equipped on the inside of crown 1.

Steel wire is used as 5 material of carcass with that can enhance tire intensity, tire impact resistance is improved, extends carcass 5 The advantages of service life.However, due to steel wire larger, the high feature of resilience, existing tire construction and life with bending stiffness 5 tire of steel wire carcass that production. art obtains has manufacturing difficulty big, and yield rate is low, the problem of comfort difference.Therefore, it is Obtaining one kind has excellent performance, and can be realized industrialized production, and the steel wire carcass HP tire of high yield rate needs to overcome crowd More technological difficulties.In terms of material selection, the choosing to all-steel cord Fracture Force, bending stiffness and strength index is specifically included It selects.

About Fracture Force, the Fracture Force of steel wire determines that the intensity of carcass 5 is made in steel wire, and Fracture Force is higher, theoretically, Manufactured tire bears to be unlikely to fail when higher load；Under identical line footpath, the Fracture Force of general steel wire is probably poly- 3-6 times of ester, so if 1-3 can be substituted using the steel wire carcass 5 of single layer on car tyre merely from the point of view of Fracture Force Layer polyester carcass 5；Because TBR (meridian truck tire) essentially consists in carrying, wear-resisting, and PCR (passenger car radial) is main Pursue comfortable, manipulation, movement, safety performance, it is therefore desirable to guarantee product performance demands as far as possible, while consider to produce Basic demand of the product to intensity goes to reduce wire rupture power；Reducing Fracture Force means to require the line footpath of all-steel cord thin, Because the phosphorus content of the raw material steel wire wire rod of steel cord is substantially fixation, probably between 0.6%-0.9%.

About bending stiffness, the bending stiffness and the line footpath of steel wire, number of share of stock of all-steel cord have relationship, with steel wire itself Phosphorus content does not have direct corresponding relationship；Bending stiffness, that is, steel wire bent complexity, cutting and forming for severing process The anti-package of process is most important；The size of bending stiffness determines that steel wire can realize the possibility that regular lot produces in factory Property, bending stiffness is too large or too small, is impossible to realize the regular lot production of product.

About strength index, the strength index in the present invention refers to Fracture Force and rolls the product of density, and strength index is different Different products, such as ST, HP, SUV, the Series Tyres such as AT, MT can be limited to；Strength index is too small, the security performance of product It not can guarantee, strength index is excessive, waist performance, cost waste.

The present embodiment passes through the strength index for specifically limiting carcass ply as 30000-50000N* root/dm, all-steel cord Fracture Force be 350N-800N, the bending stiffness of all-steel cord is 70Nmm²-130Nmm², the diameter of all-steel cord is Between 0.50mm-0.75mm, steel wire diameter is less than 0.3mm, is improving steel wire carcass HP tire intensity, impact resistance, load-carrying Under the premise of energy, the comfortable of steel wire carcass HP tire ensure that, manipulate, movement, safety performance.The determination of above each parameter The selection standard during steel wire carcass HP tire industry metaplasia produces is realized, steel wire carcass HP tire industry metaplasia is produced It is of great significance.

As shown in figure 3, tyre bead 4 includes wire loop 41, triangle rubber 42, triangle rubber 42 are coated on the circumference of wire loop 41 It radially extends from triangle rubber lower extreme point 421 to triangle rubber upper extreme point 422, carcass 5 is around 41 bottom reversed of wire loop to sidewall It is radially extended after 3 to carcass anti-package endpoint 51, thickening film 43, carcass anti-package endpoint is equipped between carcass 5 and triangle rubber 42 51 are connected by viscosifying film 43 with triangle rubber 42.Steel wire has bending stiffness larger when being used as 5 material of carcass, and resilience is high The problem of, the phenomenon that existing simultaneously the problem of viscosity difference between carcass 5 and wire loop 41, rim of the mouth is be easy to cause to come to nothing, influence Tire quality.By the way that thickening film 43 is arranged between carcass 5 and triangle rubber 42, the difficulty of steel wire rebound is increased, is increased simultaneously Add the adhesiveness between triangle rubber 42 and carcass 5, and have the function of that low-heat-generation is warping strength, improves tire in complex situations Under service performance.It should be noted that the present embodiment, which also defines carcass anti-package endpoint 51, passes through thickening film 43 and triangle Glue 42 is connected, and reason is have bending stiffness larger when carcass 5 forms anti-package, the high problem of resilience, if carcass 5 is straight It connects and is contacted with triangle rubber 42, under conditions of constant temperature and humidity, fetus storage 2-6h bead will come to nothing problem, no Conducive to the storage of fetus；By increasing thickening film 43 between triangle rubber 42 and carcass 5, the fetus resting period extends to 16- 20h extends the fetus resting period, improves fetus presentation quality, alleviates rim of the mouth and comes to nothing problem.

In order to further increase steel wire rebound difficulty, the adhesiveness between triangle rubber 42 and carcass 5 is improved, film is viscosified 43 include the endpoint 431 on the inside of the thickening film of 42 inside of triangle rubber, and on the outside of the thickening film in 42 outside of triangle rubber The radial height of endpoint 432, thickening film inside endpoint 431 is higher than the radial height of triangle rubber upper extreme point 422, viscosifies film Radial distance between inside endpoint 431 and triangle rubber lower extreme point 421 is not less than 5mm, endpoint 431 and three on the inside of thickening film Radial distance between angle glue upper extreme point 422 is not less than 10mm；The radial height for viscosifying film outer point 432 is not less than tire The radial height of body anti-package endpoint 51.The position setting of thickening film outer point 432 ensure that thickening film 43 to carcass 5 Edging attach or package, be conducive to increase steel wire rebound difficulty, prevent rim of the mouth from coming to nothing the generation of phenomenon.In order to ensure increasing The dimensional stability in process of production of adhesive sheet 43 and there is stronger Efficient Adhesive Promotion, the shore hardness of the thickening film 43 For 65-78.

As shown in figure 4, to guarantee that ess-strain transition is gentle at carcass anti-package endpoint 51, while improving the durable of tire Property, strengthening course 44 is equipped between carcass 5 and sidewall 3, the lower end of strengthening course 44 is located at anchor point 441 under strengthening course, strengthening course 44 Upper end be located at anchor point 442 on strengthening course, carcass anti-package endpoint 51 is radially positioned at anchor point 441 and reinforcement under strengthening course On layer between anchor point 442；Radial distance under strengthening course between anchor point 441 and carcass anti-package endpoint 51 is 10-20mm； The radial height of anchor point 442 is higher than the radial height of triangle rubber upper extreme point 422 on strengthening course, on strengthening course anchor point 442 with The radial distance of triangle rubber upper extreme point 422 is greater than 10mm；Strengthening course 44 and tire circumference are in 0-55 ° of angle.It needs to illustrate It is that in tire, the hardness or transition of stress such as fruit product are uneven, it is easy to unevenly put and be damaged in transition, take turns Repeated deformation, the uneven place of transition of stress are easy to that earlier period damage occurs tire in the process of moving.And the carcass of steel wire carcass 5 Anti-package endpoint 51 belongs to stress concentration point, and the nonhomogeneous hardness of steel wire and adjacent material is larger, it is therefore desirable to which strengthening course 44 carries out Hardness transition.In addition, the embodiment specifically defines the endpoint location of strengthening course 44, the reason is that, 44 endpoint of strengthening course is set The mode of setting directly affect strengthening course 44 whether can at gentle carcass anti-package endpoint 51 ess-strain transition key factor, this Embodiment specifically defines 44 endpoint location of strengthening course, on the one hand realizes the exploitativeness of scheme, is on the other hand conducive to bind round Tight carcass anti-package endpoint 51, mitigates rebound, steel wire carcass anti-package endpoint 51 is wrapped by strengthening course 44, reduces shearing Stress prevents tire earlier period damage, extends Life of Tyre.It should be noted that can be used nylon 6, nylon66 fiber, Material of the materials such as polyester, steel wire as strengthening course 44.The present embodiment is by limiting strengthening course 44 and tire circumference in 0-55 ° Angle realize the exploitativeness of tyre forming process because in practical application, if being 90 ° if it is angle, due to week It is too big to tightening force, it cannot achieve anti-package on single stage building machine.

Embodiment 2: as shown in figure 5, a kind of steel wire carcass HP tire is present embodiments provided, triangle rubber upper extreme point 422 Radial height is higher than the radial height of carcass anti-package endpoint 51, triangle rubber upper extreme point 422 and carcass anti-package endpoint 51 it is radial away from From 10mm is greater than, it is not less than 2mm with the thickness of the triangle rubber 42 of 51 connecting place of carcass anti-package endpoint, viscosifies the thickness of film 43 For 0.5-2mm.In view of carcass anti-package 51 cross shears of endpoint are big, the embodiment is anti-to triangle rubber upper extreme point 422, carcass The thickness of the triangle rubber 42 of 51 connecting place of packet endpoint 51 and carcass anti-package endpoint is defined, and avoids ess-strain work With the lower cutting to inside sizing material.By design above ensure 5 passenger tire of steel wire carcass under high speed driving conditions, tire It is avoided that the fracture of triangle rubber 42 under hardness impact, improves the driving safety of tire.In order to cooperate triangle rubber 42 to thickness Requirement, avoid the cutting under stress to inside sizing material, the shore hardness of the triangle rubber 42 is 72-92.In order to avoid because Rim of the mouth earlier period damage caused by the shearing force of carcass anti-package endpoint 51 and casing ply is excessive, the thickness limit for viscosifying film 43 are 0.5-2mm。

It further, further include the wheel rim protection lower extreme point 45 for being located at sidewall 3 and being connected with wheel rim, carcass anti-package endpoint Radial distance between 51 and wheel rim protection lower extreme point 45 is less than 15mm.Tyre bead 4 in the steel wire carcass HP tire of the embodiment Structure is 4 structure of steel wire carcass HP tire bead for there is wheel rim to protect, and is protected by limiting carcass anti-package endpoint 51 and wheel rim The radial distance protected between lower extreme point 45 is less than 15mm, avoids the cutting under ess-strain effect to outside sizing material.By with Upper design ensures on the inside of carcass anti-package endpoint 51 as triangle rubber 42, and outside is wear-resisting glue and 3 glue spot of sidewall, stress by It arrives soft transition firmly conducive to stress dispersion, improves Life of Tyre.

Embodiment 3: as shown in fig. 6, present embodiments providing another steel wire carcass HP tire, triangle rubber upper extreme point 422 radial height is lower than the radial height of carcass anti-package endpoint 51, triangle rubber upper extreme point 422 and carcass anti-package endpoint 51 Radial distance be greater than 10mm, thickening film 43 with a thickness of 1.0-4.0 mm.In view of 51 cross shear of carcass anti-package endpoint Greatly, which is defined triangle rubber upper extreme point 422, steel wire carcass anti-package endpoint 51, avoids ess-strain effect Under cutting to inside sizing material.Ensure that outside is wear-resisting for triangle rubber 42 on the inside of carcass anti-package endpoint 51 by designing above Glue and 3 glue spot of sidewall, stress is by improving Life of Tyre firmly to soft transition conducive to stress dispersion.In order to avoid Because the shearing force of carcass anti-package endpoint 51 and casing ply it is excessive caused by rim of the mouth earlier period damage, viscosify the thickness limit of film 43 For 1.0-4.0mm.

As shown in fig. 7, be located at 41 two sides of wire loop carcass 5 inner surface between carcass anti-package endpoint 51 away from From for 2.0-5.0mm；Positioned at the outer surface of the carcass 5 in 41 outside of wire loop and 3 outer surface of sidewall at carcass anti-package endpoint 51 The distance between be 2.5-10mm.It should be noted that being located at the inner surface of the carcass 5 of 41 two sides of wire loop in carcass anti-package Distance between endpoint 51 is d in figure₁The distance of expression, outside the outer surface and sidewall 3 of the carcass 5 in 41 outside of wire loop Distance of surface between carcass anti-package endpoint 51 is d in figure₂The distance of expression.

Embodiment 4: as shown in figure 8, the steel wire carcass HP that the present invention also provides a kind of as described in above-mentioned any embodiment The manufacturing process of tire, including severing technique and moulding process,

Severing technique include lead out, severing, connector；

Moulding process includes: fitting, buckle ring, pre-setting, 5 anti-package of carcass, unloads tire；

Fitting includes that the fitting of PA component 15, the fitting of strengthening course 44 and steel wire carcass 5 are bonded；Wherein steel wire carcass 5 is bonded simultaneously After completing connector, rear pressure roller extend out to designated position and compresses steel wire carcass 5, and carcass drum 10 is carried out with the revolving speed of 80 ± 10r/min Rotation, rear platen pressure is maintained at 2-2.5bar, and carries out translation rolling outward according to the lateral velocity for having set 5-15mm/sec Pressure, until rolling at 5 endpoint of carcass terminates.

Severing process cuts steel wire, is (the class realized by the mutual shearing steel cord of upper and lower two choppers in fact It is similar to scissors), steel wire line footpath is thicker, and the rigidity of steel wire is big, is conducive to cut；Conversely, then difficult；Difference process is to steel when molding The requirement of silk cord is different, and when being 5 connector of carcass first, 5 connector of carcass is to carry out tire by dedicated 5 stitching unstrument of carcass The docking (being similar to zipper) of body 5；The line footpath of all-steel cord is thicker, and rigidity is bigger, easier connector, conversely, being then not easy to connect Head；Requirement in the process with severing to steel wire is consistent；Secondly, line footpath and rigidity requirement then phase of the anti-package process for steel wire Instead, line footpath is thicker, and rigidity is bigger, and bending stiffness is also higher, and anti-package is more difficult, while after anti-package, and the resilience of steel wire can allow The components delaminations such as steel wire carcass 5 and triangle rubber 42, form defective products；And steel wire line footpath is thinner, rigidity is smaller, and bending stiffness is got over Low, easier anti-package, fetus resting period is longer, is more conducive to the stabilization of molding fetus quality.

Requirement in comprehensive severing process, 5 connector process of carcass and anti-package process to all-steel cord, in order to improve tire Molding comprehensive performance, the line footpath for 5 all-steel cord of carcass selected in the present embodiment is in 0.8mm or less；And 5 steel wire curtain of carcass For the line footpath of line in 0.8mm hereinafter, will cut highly difficult, production stability is not high, automatic production is difficult to realize, but if making Use the all-steel cord of line footpath 0.8mm or more as carcass 5, this meeting of production liter is very high, and anti-package is difficult, and causes properties of product Surplus, simultaneously as stiffness of steel cord is big, fatigability and comfort will be very poor, influence PCR product performance.

The wirecord fabric that all-steel cord is worked out in the present embodiment, the line footpath of all-steel cord is in 0.8mm or less；This Embodiment provides a kind of severing technique of the line footpath in 0.8mm wirecord fabric below of all-steel cord, to line footpath in 0.8mm When the wirecord fabric that all-steel cord below is constituted carries out severing, selecting knife face Rockwell hardness is the rectangle knife of HRC28-HRC45 Severing is carried out, effective guarantee notch is smooth；Preferably, the rectangle knife selects the titanium alloy cut-off knife of Rockwell hardness HRC30.Choosing Be with the reason of titanium alloy cut-off knife: titanium alloy has very high intensity, tensile strength 686-1176MPa, and density is only It is 60% or so of steel；Hardness is higher；Elasticity modulus is low, the half of about common steel knife；Titanium alloy cut-off knife is in wirecord fabric It cuts middle application and has the following prominent advantages: that deformation coefficient is small, deformation coefficient is less than or close to 1, steel wire slides on knife face Friction substantially increases, and enhancing cuts effect；Shearing force on unit area is big, since the contact length of steel wire and knife face is extremely short, Shearing force on per unit contact area greatly increases, and ensure that cutting quality.In addition described upper and lower in the present embodiment when severing Two rectangle cut-off knife horizontal clearances are less than 1.5；Unit area can be increased by controlling upper and lower two rectangle cut-off knives horizontal clearance The shearing force of cord guarantees that all-steel cord is smoothly cut, and notch is smooth；In order to avoid causing cord notch flash, product matter is influenced Amount.Furthermore when connector, feeding and the gap passed between material are adjusted to 1.5-2.5mm, and upper and lower splicer suture pressure adjusts To 0.15-0.25Mpa；With feeding when top connection and pass gap between material control can effective control joint quality, avoid dilute Line, doubling problem occur, and influence product dynamic balancing, uniformity qualification rate.The control of suture pressure keeps all-steel cord connector smooth Suture, and the arrangement of joint all-steel cord is uniformly, does not there is dilute line, doubling and other issues.

Molding machine anti-package uses the anti-package of two kinds of forms at present, and one is use 11 anti-package of counter-wrapping rod, 11 anti-package of counter-wrapping rod When, due to having gap between counter-wrapping rod 11, cause anti-package not close, but anti-package pressure is big；Therefore, easily there is steel wire rebound, It is the problem of bead separation, short so as to cause the resting period of fetus.

The present embodiment provides in a kind of moulding process, as shown in figure 8, the moulding process uses: fitting, makes a reservation for buckle ring Type, unloads tire at 5 anti-package of carcass；Wherein fitting includes that the fitting of PA component 15, the fitting of strengthening course 44 and steel wire carcass 5 are bonded；The portion PA Part 15 is 3 composite members of liner sidewall.After steel wire carcass 5 is bonded and completes connector, increase rolling step；In addition it is rolled in rear pressure roller When steel wire carcass 5, carcass drum 10 is rotated with the revolving speed of 80 ± 10r/min, and rear 9 pressure of pressure roller is maintained at 2-2.5bar, And translation rolling is carried out outward according to the lateral velocity of the 5-15mm/sec set；The above rolling step and rolling parameter are set The gas that can be effectively discharged between carcass 5 and inner liner is set, the bubble rate of fetus reduces by 85% or more, substantially reduces artificial The dazzling labor intensity for repairing fetus, fetus presentation quality greatly promote.

Wherein when carrying out the fitting of PA component 15, the fitting of strengthening course 44 and the fitting of steel wire carcass 5, one component of every fitting, Carcass drum 10 rotates an angle, on the one hand the connector misfit of each component is improved the integral strength of tire, another party The weight distribution of face equilibrium tire.

Further, buckle ring includes tyre bead locking block locking buckle ring；After wherein tyre bead locking block locks tyre bead 4, and protect Tyre bead locking block high pressure is held in 5.5bar or more；

Pre-setting includes that carcass drum 10 is inflated；Wherein carcass drum 10 is inflated with the pressure of 1.1-1.3bar；

5 anti-package of carcass includes 11 anti-package of counter-wrapping rod；When 11 anti-package of counter-wrapping rod, the pressure of counter-wrapping rod 11 is not less than 3.5bar； And rotation pressure roller keeps the rolling pressure of 2-3bar to be rolled after completing anti-package.

In order to which the resting period for further avoiding occurring fetus is short, steel wire rebound, the problem of bead separation, the present embodiment pair Buckle ring, pre-setting and 5 anti-package technique of carcass have carried out following limitation.Tyre bead locking block locks tyre bead 4 when buckle ring in the embodiment It is next, and keep tyre bead locking block high pressure in 5.5bar or more, effectively tyre bead 4 can be accurately positioned, when molding is not easy to move Position, while tyre bead 4 and steel wire carcass pass through the adhesive effect of thickening film, fitting is closer at rim of the mouth.

Carcass drum 10, which is inflated expansion with the pressure of 1.1-1.3bar, when pre-setting can effectively ensure composite members and steel Silk has the full contact of 5 cord of carcass, and is completely embedded；To improve 5 bond strength of carcass.Because steel wire is relative to polyester etc. Material, rigidity is strong, and increasing pre-setting pressure can guarantee that 5 cord of carcass is sufficiently unfolded before contacting with composite members, avoids because not Sufficiently unfolding causes body cord to be bent, and forms substandard product.In addition, 2-5s is inflated in carcass drum 10 when pre-setting, with Stablize inflation effect.

When 5 anti-package of carcass, counter-wrapping rod 11 can effectively be realized to tyre steel wire carcass in pressure not less than 3.5bar Anti-package, the problems such as guaranteeing, the bead separation not firm without anti-package in initial turn-up process；Meanwhile giving interface unit certain precompressed Power provides good rolling condition for next rolling.In addition, rotation pressure roller is after anti-package with rolling pressure 2-3bar's Under the conditions of, it is rolled since the bottom of rim of the mouth to 3 endpoint of sidewall for terminal, to improve anti-package quality.

Embodiment 5: as shown in figure 9, the steel wire carcass HP that the present invention also provides a kind of as described in above-mentioned any embodiment The manufacturing process of tire, including severing technique and moulding process,

Severing technique include lead out, severing, connector；

Moulding process includes: 5 fitting of liner layer 6 and carcass, buckle ring, 5 anti-package of carcass, anti-package pressing, tire bead cloth and sidewall 3 fittings, fetus molding；

Liner layer 6 and the fitting of carcass 5 include the fitting of liner layer 6, the fitting of steel wire carcass 5；Wherein steel wire carcass 5 is bonded simultaneously After completing connector, lower compression roller rising touches steel wire carcass 5, and keeps pressure in 1-2bar, and carcass drum 10 is with 600-800mm/ The speed of s rotates, and lower compression roller is translated with the speed of 5-30mm/s from 5 middle position of steel wire carcass to 10 endpoint of carcass drum Rolling.

The wirecord fabric that all-steel cord is worked out in the present embodiment, the line footpath of all-steel cord is in 0.8mm or less；This Embodiment provides a kind of severing technique of the line footpath in 0.8mm wirecord fabric below of all-steel cord, to line footpath in 0.8mm All-steel cord constitute wirecord fabric carry out severing when, select knife face Rockwell hardness be HRC28-HRC45 rectangle knife carry out Severing, effective guarantee notch are smooth；Preferably, the rectangle knife selects the titanium alloy cut-off knife of Rockwell hardness HRC30.Select titanium The reason of alloy cut-off knife is: titanium alloy has very high intensity, tensile strength 686-1176MPa, and density is only steel 60% or so；Hardness is higher；Elasticity modulus is low, the half of about common steel knife；Titanium alloy cut-off knife is cut in wirecord fabric Middle application has the following prominent advantages: that deformation coefficient is small, and deformation coefficient is less than or close to 1, steel wire sliding friction on knife face It substantially increases, enhancing cuts effect；Shearing force on unit area is big, since the contact length of steel wire and knife face is extremely short, unit Shearing force in contact area greatly increases, and ensure that cutting quality.In addition in the present embodiment when severing, described upper and lower two Rectangle cut-off knife horizontal clearance is less than 1.5；Unit area cord can be increased by controlling upper and lower two rectangle cut-off knives horizontal clearance Shearing force, guarantee all-steel cord smoothly cut, notch is smooth；In order to avoid causing cord notch flash, product quality is influenced.Again Person, when connector, feeding and the gap passed between material are adjusted to 1.5-2.5mm, upper and lower splicer suture pressure adjust to 0.15-0.25Mpa；With feeding when top connection and pass gap between material control can effective control joint quality, avoid dilute Line, doubling problem occur, and influence product dynamic balancing, uniformity qualification rate.The control of suture pressure keeps all-steel cord connector smooth Suture, and the arrangement of joint all-steel cord is uniformly, does not there is dilute line, doubling and other issues.

Molding machine anti-package uses the anti-package of two kinds of forms at present, and one is use capsule anti-package, the ratio of capsule anti-package anti-package It is more uniform, but the pressure of anti-package is small；Therefore, there is the problem of steel wire rebound, bead separation, easily so as to cause the storage of fetus Period is short.

The present embodiment provides in a kind of moulding process, as shown in figure 9, the moulding process includes: that liner layer 6 and carcass 5 paste Conjunction, buckle ring, 5 anti-package of carcass, anti-package pressing, tire bead cloth and the fitting of sidewall 3, fetus molding；Liner layer 6 and the fitting of carcass 5 include The fitting of liner layer 6, steel wire carcass 5 are bonded；After wherein steel wire carcass 5 is bonded and completes connector, increase rolling step；In addition exist When lower compression roller rolls steel wire carcass 5, carcass drum 10 is rotated with the revolving speed of 600-800mm/s, is pushed roller pressure and is maintained at 1- 2bar, and the speed of 5-30mm/s carries out translation rolling from 5 middle position of steel wire carcass to 10 endpoint of carcass drum；The above rolling Step and rolling parameter setting can effectively be discharged the gas between carcass 5 and inner liner, the bubble rate of fetus reduce by 85% with On, the artificial dazzling labor intensity for repairing fetus is substantially reduced, fetus presentation quality greatly promotes.

Further, the buckle ring includes the crawl of finger-type piece 12 and 13 buckle ring of bead ring；Its finger-type piece 12 grabs steel wire tire The time of body 5 is 2-4s；When 13 buckle ring of bead ring, the dead time is 1-2s when bead ring 13 is moved to designated position；

5 anti-package of carcass includes that reverse-wrapped capsule 14 is inflated；Wherein the inflation of reverse-wrapped capsule 14 is specially that reverse-wrapped capsule 14 inflates 2- 4s, pressure are maintained at 3.5-4.5bar；After 14 anti-package of reverse-wrapped capsule stagnates 2-4s afterwards in place, reverse-wrapped capsule 14 is deflated；

Anti-package pressing includes rolling；Wherein rolling is specially that lower compression roller rising touches steel wire carcass 5, and keeps pressure In 2-3bar, carcass drum 10 is rotated with the speed of 600-800mm/s, and lower compression roller is with the speed of 10-30mm/s, by carcass drum 10 Endpoint to steel wire carcass anti-package endpoint 51 is rolled.

In order to which the resting period for further avoiding occurring fetus is short, easily there is the problem of steel wire rebound, bead separation, this reality It applies example and following limitation has been carried out to buckle ring, 5 anti-package of carcass and anti-package process for pressing.

Buckle ring includes that finger-type piece 12 grabs in the embodiment；The time that its finger-type piece 12 grabs steel wire carcass 5 is 2-4s； When 13 buckle ring of bead ring, the dead time is 1-2s when bead ring 13 is moved to designated position, and the setting of the above buckle ring time can It is effectively ensured wire loop accurate positioning, wire loop completely attaches to carcass cord 5, is closely knit；

When reverse-wrapped capsule 14 is inflated in 5 turn-up process of carcass, reverse-wrapped capsule 14 inflates 2-4s, and pressure is maintained at 3.5-4.5bar；After 14 anti-package of reverse-wrapped capsule stagnates 2-4s afterwards in place, reverse-wrapped capsule 14 is deflated；The above anti-package time and pressure Setting can ensure the compaction rate of wire loop and steel wire carcass at anti-package quality, especially rim of the mouth, extend fetus storage week Phase.

The anti-package pressing includes rolling；Wherein rolling is specially that lower compression roller rising touches steel wire carcass 5, and keeps Pressure is rotated in 2-3bar, carcass drum 10 with the speed of 600-800mm/s, and lower compression roller is with the speed of 10-30mm/s, by carcass 10 endpoint of drum to steel wire carcass anti-package endpoint 51 is rolled.The setting of pressure and revolving speed when the above anti-package rolls being capable of energy The bubble rate of enough gas effectively between discharge carcass 5 and inner liner, fetus reduces by 85% or more, substantially reduces artificial dazzling The labor intensity of fetus is repaired, fetus presentation quality greatly promotes.

In addition, fetus molding includes low inflation, transmitting ring aid composite members are moved to right after low inflation, and PU drum is contracted to Sizing bit width, head are filled with high pressure；Wherein low inflation, low inflation pressure is in 0.3-0.8bar；Head is filled with high pressure 1- 1.3bar。

Concrete case and performance test

In order to illustrate steel wire carcass HP tire bead 4 provided by the embodiment of the present invention in a manner of concrete case and show There is the performance comparison of technology tyre bead 4, case 1, comparison leading case 1 and correlated performance part of detecting presented below are as follows:

Case 1

It selects 215/70R15 specification and carries out developmental research, 5 casing ply of steel wire carcass uses 3+9*0.175NT steel wire, pressure Prolonging density is 60EPD, and calendering is with a thickness of 1.8mm, and it is 580mm that 5 casing ply 2 of steel wire carcass, which designs width, it is ensured that steel wire carcass The drop point site of anti-package endpoint 51 is protected at 45 vertical range 3mm of lower extreme point lower than wheel rim；

Thickening film 43 uses shore hardness for 69 sizing material, and film stock thickness 0.7mm, 80 mm of film width viscosify film Outer point 432 and 51 edging of steel wire carcass anti-package endpoint attach, and are higher than triangle rubber after 431 anti-package of endpoint on the inside of thickening film 422 vertical range 5mm of upper extreme point；

Triangle rubber 42 use shore hardness for 90 sizing material, design height 45mm, steel after 5 casing ply anti-package of steel wire carcass 51 drop point of silk carcass anti-package endpoint is lower than 422 vertical range 13mm of triangle rubber upper extreme point, meanwhile, steel wire carcass anti-package endpoint 51 Locate triangle rubber 42 with a thickness of 3mm；

The product uses nylon66 fiber material as strengthening course 44, rolls thickness 1.15mm, and 50 ° of severing angle, severing width 55mm, single layer attach, and are positioned as 155mm in attaching, are positioned as 210mm outside, it is ensured that anchor point 441 is lower than steel under strengthening course 15mm at silk carcass anti-package endpoint 51, anchor point 442 is higher than 15mm at triangle rubber upper extreme point 422 on strengthening course.

Compare case 1

5 passenger tire sub-port structure of steel wire carcass and 5 passenger tire sub-port structure phase of steel wire carcass provided by the invention Together, the difference is that: be not provided in sub-port structure thickening film 43.

The present invention has reached and has changed by increasing a kind of thickening film 43 between 5 casing ply of steel wire carcass and wire loop 41 Shearing between kind 5 casing ply of wire loop 41 and steel wire carcass, while adhesiveness is promoted, extend the mesh of green tire embryo resting period 's.Wherein, rim of the mouth just occurs after 215/70R15 (steel wire carcass) fetus resting period 16-20h in case 1 of the present invention to come to nothing Problem, and 215/70R15 (steel wire carcass the does not increase thickening film) fetus for comparing not set thickening film 43 in case is deposited It puts 2-6h rim of the mouth occurs and come to nothing phenomenon.

Lathe test:

To the steel wire carcass and existing 215/70R15 polyester carcass using case 1, the sub-port structure for comparing case Lathe test is carried out, test result such as table 1:

1 carcass lathe test result of table

It is obtained by lathe test analysis, the relatively normal half steel tire of steel wire carcass passenger tire, indices are It is promoted, the design of steel wire carcass passenger tire sub-port structure is reasonable, feasible, and the product of the invention can be suitably used for various road conditions, service life It improves and safety is higher.

In order to illustrated in a manner of concrete case the structure of steel wire carcass HP tire provided by the embodiment of the present invention and with The performance comparison of existing tire, case 2-4 and correlated performance part of detecting presented below are as follows:

Case 2

175/65R14 82H is selected, which is single layer 1500D/2 polyester cord, passes through layer of steel wire Carcass 2*0.25UT replace single layer 1500D/2 polyester cord, 175/65R14 (steel wire carcass) weight be 6.93kg, 175/ 65R14 (polyester carcass) weight is 6.786kg, and 175/65R14 (steel wire carcass) weight is produced compared with 175/65R14 (polyester carcass) Product weight promotes 2%, and specific material information is shown in Table 2.

2 case of table, 2 steel wire carcass material information

Indoor test

2 tire indoor test of case the results are shown in Table 3:

3 case of table, 2 tire indoor test result

Conclusion: 175/65R1482H replaces 1 layer of polyester carcass using 1 layer of steel wire carcass, although weight promotes 2%, Rolling resistance but reduces 6%, considers that tread rigidity is promoted, and the reduction of compressive deformation hysteresis loss causes rolling resistance to reduce；

Outdoor evaluation test

Outdoor evaluation test the results are shown in Table 4.

Evaluation test result outside 4 case of table, 2 tire room

Conclusion: HP tire made of steel wire tire body comfort, it is handling, dry brake and noise in terms of performance It is all to improve.

Case 3

205/55R16 91V is selected, which is 2 layers of 1500D/2 polyester cord, passes through layer of steel wire Carcass 0.19+5*0.19NT replaces 2 layers of 1500D/2 polyester cord, waits cords intensity, specific material information is shown in Table 5.

5 case of table, 3 steel wire carcass material information

Indoor test

3 tire indoor test of case the results are shown in Table 6:

6 case of table, 3 tire indoor test result

Outdoor evaluation test

Outdoor evaluation test the results are shown in Table 7.

Evaluation test result outside 7 case of table, 3 tire room

Conclusion: steel wire carcass HP tire compares polyester carcass HP tire, in terms of comfort, handling and road holding, Performance is more excellent, while noise level is also substantially reduced.

Case 4

Select: 215/60R16 99V, the HP product matrix skeleton are two layers of 1500D/2 polyester cord, pass through one layer Steel wire carcass 3+9*0.175T replaces two layers of 1500D/2 polyester cord, and cords intensity is waited to substitute, and specific material information is shown in Table 8.

8 case of table, 4 steel wire carcass material information

Indoor test

4 tire indoor test of case the results are shown in Table 9.

9 case of table, 4 tire indoor test result

Outdoor evaluation test

Outdoor evaluation test the results are shown in Table 10.

Evaluation test result outside 10 case of table, 4 tire room

Illustrate the manufacturing process of steel wire carcass HP tire described in the embodiment of the present invention in a manner of concrete case below.

Case 5

The moulding process step of steel wire carcass passenger tire:

The present embodiment selects 215/70R15 specification to carry out developmental research, and carcass 5 uses 3+9*0.175NT steel wire, calendering Density is 60EPD, is rolled with a thickness of 1.8mm；Use nylon66 fiber material as strengthening course 44, rolls thickness 1.15mm, severing angle 50 ° of severing width 55mm are spent, is positioned as 155mm in attaching, is positioned as 210mm outside.

The one-stage building process step of 5 passenger tire of steel wire carcass: fitting, pre-setting, 5 anti-package of carcass, is unloaded at buckle ring Tire.Wherein fitting includes that the fitting of PA component 15, the fitting of strengthening course 44 and steel wire carcass 5 are bonded.One-stage building process step tool Body is as follows:

1. PA component 15 is bonded (Fig. 1): bulk supply template is stretched out, and carcass drum 10 rotates to 180 ° ± 10 °, the present embodiment Middle 180 ° of rotation, conveyer belt synchronous rotary, PA component 15 (liner sidewall composite members) leading portion are labelled in carcass drum 10 at this time, pressure Roller declines rotation compact material head, and carcass drum 10 is rotated, and butt joint position is carried out from dynamic pressure after PA component 15 is bonded It closes；

2. strengthening course 44 is bonded (Fig. 2): strengthening course 44 is adhered in advance on tire bead cloth laminating apparatus, and carcass drum 10 rotates To 135 ° ± 10 °, 135 ° are rotated in the present embodiment.Tire bead cloth laminating apparatus is moved to designated position, and sticking machine is stretched out close to tire Body drum 10, carcass drum 10 is rotated strengthening course 44 is conformed in carcass drum 10 after, connector carry out auto-stitching；

3. steel wire carcass 5 is bonded (Fig. 3): bulk supply template is stretched out, and carcass drum 10 rotates to 90 ° ± 5 °, in the present embodiment It is rotated by 90 °.Conveyer belt synchronous rotary, 5 leading portion of steel wire carcass are labelled in carcass drum 10, and thousand layers of roller decline compress material, carcass drum 10 are rotated, and thousand layers of roller lift after steel wire carcass 5 is bonded, and carry out automatic sewing connector to carcass 5；

To solve the air bubble problem between carcass 5 and inner liner, increase by 5 rolling step of carcass: rear pressure roller extend out to specified Position compresses carcass 5, and carcass drum 10 is rotated with the revolving speed of 80 ± 10r/min, and rear platen pressure is maintained at 2-2.5bar, And translation rolling is carried out outward according to the lateral velocity of the 5-15mm/sec set, until rolling at 5 endpoint of carcass terminates； The gas between carcass 5 and inner liner can be effectively discharged by the above rolling step, the bubble rate of fetus reduce by 85% with On, the artificial dazzling labor intensity for repairing fetus is substantially reduced, fetus presentation quality greatly promotes.

Carcass drum 10 is rotated in the present embodiment to be rotated under conditions of 80r/min, rear platen pressure is maintained at 2bar, and translation rolling is carried out outward according to the lateral velocity of the 10mm/sec set, until roll-in knot at 5 endpoint of carcass Beam.

4. buckle ring (Fig. 4): carcass drum 10 rotates to 180 ° ± 10 ° of 4 angle of tyre bead, and tyre bead 4 transmits ring and is moved to carcass 10 designated position of drum, tyre bead 4 is locked in the rise of tyre bead locking block, and 4 latch segment high pressure of tyre bead is maintained at 5.5bar or more, this Tyre bead locking block high pressure keeps 5.5bar in embodiment；Tyre bead 4 transmits ring opening and is moved to step movement under the other side prepares；Tire Circle latch segment high pressure is maintained at 5.5bar or more effectively tyre bead 4 can be accurately positioned, and when molding is not easy to shift, while allowing tire Circle 4 passes through the effect of thickening film with steel wire carcass, and fitting is closer at rim of the mouth.

5. pre-setting (Fig. 5): carcass drum 10 rotates to 0 ° ± 10 ° of 1 angle of crown, and 1 holding ring of crown is moved to carcass Drum 10 forms position, and carcass drum 10 is contracted to pre-setting position while carcass drum 10 is inflated expansion with the pressure of 1.1-1.3bar, 2-5s is inflated in carcass drum 10, aid block unclamps after the expansion completely of steel wire carcass 5, and composite members and 5 cord of steel wire carcass are complete Contact, tyre surface pressure roller stretch out in the middle part of pressing tyre surface, and rotation pressure roller carries out rotation rolling to 1 shoulder of crown and alar part by original parameter； Carcass drum 10 is inflated expansion with the pressure of 1.3bar in the present embodiment, inflates 2s in carcass drum 10.Carcass drum 10 is with 1.1- The pressure of 1.3bar, which is inflated expansion, can effectively ensure that composite members and steel wire have the full contact of 5 cord of carcass, and even It connects close；To improve 5 bond strength of carcass.Because steel wire is relative to materials such as polyester, rigidity is strong, and increasing pre-setting pressure can To guarantee that 5 cord of carcass is sufficiently unfolded before contacting with composite members, body cord is bent caused by avoiding because of insufficient unfold, shape At substandard product.

6. 5 anti-package of carcass (Fig. 6): mechanical counter-wrapping rod 11 is anti-in the present embodiment under conditions of pressure is not less than 3.5bar Packet bar 11 is 3.5bar in pressure；Counter-wrapping rod 11 is propped up and by components such as sidewall 3, carcass 5, strengthening courses 44, opens from bead Beginning is pressure bonded to the stopping of 3 end of sidewall.To guarantee that steel wire anti-package endpoint is close, does not occur rim of the mouth during fetus storage and come to nothing Problem, pressure roller rolls program after adjustment, under conditions of rotation pressure roller is with rolling pressure 2-3bar, to tire since the bottom of rim of the mouth 3 endpoint of side is that terminal is rolled.Rotation pressure roller is 2.5bar with rolling pressure in the present embodiment.By the above rolling process, It is tightly combined anti-package endpoint, so that it is guaranteed that there is not the problems such as rim of the mouth is come to nothing during fetus storage.Counter-wrapping rod 11 is in pressure Can effectively be realized to tyre steel wire carcass anti-package not less than 3.5bar, guarantee in initial turn-up process it is not firm without anti-package, The problems such as bead separation；Meanwhile giving interface unit certain precompression, good rolling condition is provided for next rolling.

7. unloading tire: grip block accommodates crown 1, and tyre bead locking block falls, and 2 capsule of tire shoulder exhaust, middle drum is stopped the supple of gas or steam, carcass drum 10 stretch to sucker spaced position, and grip block aid fetus is moved to interposition and discharges.

It is had the advantages that using the above moulding process

Using the above moulding process, the high production efficiency of steel wire carcass HP tire, the productive temp of every tires at this stage In 2min-2.5min, class, which produces, reaches 190-240 item/class；

Using the above moulding process, fitting effect is good, and steel wire carcass HP tire quality comprehensive qualified rate reaches 99.6%, It is horizontal to reach factory's internal control, quality index is better than the common half steel tire product in part.

Case 6

The moulding process of 5 passenger tire of steel wire carcass is specially secondary method moulding process:

The present embodiment selects 215/70R15 specification and carries out developmental research, and carcass 5 uses 3+9*0.175NT steel wire, calendering Density is 60EPD, is rolled with a thickness of 1.8mm；Use nylon66 fiber material as strengthening course 44, rolls thickness 1.15mm, severing angle Spend 50 ° of severing width 55mm.

The secondary method moulding process step of 5 passenger tire of steel wire carcass: 5 fitting of liner layer 6 and carcass, buckle ring, carcass 5 Anti-package, anti-package pressing, tire bead cloth and the fitting of sidewall 3, fetus molding.Wherein liner layer 6 and the fitting of carcass 5 include that liner layer 6 pastes It closes, steel wire carcass 5 is bonded；Tire bead cloth and the fitting of sidewall 3 include tire bead cloth fitting, the fitting of sidewall 3.Secondary method moulding process step It is rapid specific as follows:

1. liner layer 6 is bonded: stepping on automatic step floor push, carcass drum 10 is rotated to 0 ° ± 10 °, rotated in the present embodiment To 0 °；Liner layer feed frame stretches out, and liner layer 6 is affixed in carcass drum 10 and (is bonded according to position line), steps on and walks foot-operated open automatically It closes, carcass drum 10 rotates 1 week, and 6 cut-off knife of liner layer carries out fixed length and cuts, and 6 feed frame of liner layer is retracted, and 6 connector of liner layer is gone forward side by side Row rolling.

2. steel wire carcass 5 is bonded: stepping on automatic step floor push, carcass drum 10 is rotated to 90 ° ± 10 °, revolved in the present embodiment Go to 90 °；5 feed frame of steel wire carcass is passed out simultaneously, and tyre steel wire carcass is affixed on liner layer 6 according to position line, is stepped on automatic Floor push is walked, carcass drum 10 rotates a circle, and carries out connector to steel wire carcass 5 using automatic suturing machine；It steps on and walks foot-operated open automatically It closes, lower compression roller rising touches steel wire carcass 5, and keeps pressure in 1-2bar, and carcass drum 10 is with the speed of 600-800mm/s Rotation, lower compression roller carry out translation rolling with the speed of 5-30mm/s, from 5 middle position of steel wire carcass to 10 endpoint of carcass drum；It is logical Cross the gas that the above rolling step can effectively be discharged between carcass 5 and inner liner, the bubble rate of fetus reduce by 85% with On, the artificial dazzling labor intensity for repairing fetus is substantially reduced, fetus presentation quality greatly promotes.

Lower compression roller rising touches steel wire carcass 5 in the present embodiment, and keeps pressure in 1.5bar, carcass drum 10 with The speed of 600mm/s rotates, and lower compression roller is carried out with the speed of 10mm/s, from 5 middle position of steel wire carcass to 10 endpoint of carcass drum Translation rolling.

3. 41 buckle ring of wire loop: automatic step floor push, the rotation of carcass drum 10 to specified angle are stepped on, finger-type piece 12 stretches out, Bead ring 13 on headstock, tailstock is mobile, and finger-type piece 12 grabs steel wire carcass 5 and is internally bent, crawl time 2-4s, headstock, Bead ring 13 on tailstock continues to move to, until wire loop 41 is buckled on steel wire carcass 5,13 dead time of bead ring 1-2s, button Disk 13 is enclosed to retreat；Finger-type piece 12 grabs time 2.5s, 13 dead time of bead ring 1.2s in the present embodiment.Finger-type piece 12 grabs Time 2-4s, and dead time 1-2s can effectively ensure that wire loop accurate positioning, steel wire behind bead ring 13 to designated position Circle completely attaches to carcass cord 5, is closely knit.

4. 5 anti-package of carcass: reverse-wrapped capsule 14 inflates 2-4s, and pressure is maintained at 3.5-4.5bar, moves on headstock, tailstock It pushes bead ring 13 to squeeze reverse-wrapped capsule 14 to move inward, the inside deformation of 14 extruded cords carcass of reverse-wrapped capsule 5, anti-package glue After 14 anti-package of capsule stagnates 2-4s afterwards in place, reverse-wrapped capsule 14 is deflated, while headstock, tailstock translate outward, and capsule restores to complete anti- Packet procedures.14 pressure of reverse-wrapped capsule is maintained at 3.5bar in the present embodiment, after 14 anti-package of reverse-wrapped capsule stagnates 3s afterwards in place, instead Rubber Capsule 14 is deflated.Reverse-wrapped capsule 14 inflates 2-4s, and the pressure of 3.5-4.5bar is kept when inflation；And reverse-wrapped capsule 14 Anti-package deflates again after stagnating 2-4s afterwards in place and can effectively ensure anti-package quality, enhances the combination stability of carcass 5.More than The setting of anti-package time and pressure can ensure the closely knit journey of wire loop and steel wire carcass at anti-package quality, especially rim of the mouth Degree extends fetus resting period.

5. anti-package presses: stepping on automatic step floor push, lower compression roller rising touches steel wire carcass 5, and keeps pressure in 2- 3bar, carcass drum 10 are rotated with the speed of 600-800mm/s, and lower compression roller is with the speed of 10-30mm/s, by 10 endpoint of carcass drum It is rolled to steel wire carcass anti-package endpoint 51；In the present embodiment, pushing roller pressure is 2.5bar, revolving speed 20mm/s；Carcass 10 revolving speed of drum is 800mm/s.The pressure of lower compression roller is in 2-3bar when anti-package presses, and carcass drum 10 is with the speed of 600-800mm/s Rotation, lower compression roller, which carries out rolling with the speed of 10-30mm/s, can effectively improve pressing effect, and the combination for enhancing carcass 5 is steady It is qualitative.The gas between carcass 5 and inner liner can be effectively discharged in the setting of pressure and revolving speed when the above anti-package rolls The bubble rate of body, fetus reduces by 85% or more, substantially reduces the artificial dazzling labor intensity for repairing fetus, and fetus presentation quality is big It is big to be promoted.

6. tire bead cloth is bonded: stepping on automatic step floor push, carcass drum 10 is rotated to 215 ° ± 10 °, rotated in the present embodiment To 215 °；Strengthening course feed frame stretches out, and strengthening course 44 is bonded according to position line, rolls 44 connector of strengthening course；

7. sidewall 3 is bonded: stepping on automatic step floor push, carcass drum 10 is rotated to 270 ° ± 10 °, rotated in the present embodiment To 270 °；Sidewall feed frame stretches out, and sidewall 3 is bonded according to position line, rolls 3 connector of sidewall, steps on and walks foot-operated open automatically It closes, lower compression roller and rear pressure roller are stretched out simultaneously, rolled to sidewall 3 and bead；

8. fetus forms: one section of fetus is inserted in, automatic step floor push is stepped on, head, which separates, extremely stretches position position width, Low inflation, low inflation pressure are transmitted ring aid composite members and are moved to right in 0.3-0.8bar, and PU drum is contracted to sizing bit width, Head is filled with high pressure 1-1.3bar, and after composite members are completely attached to one section of fetus, transmitting ring is opened, moved to left, PU drum rotation, tire 1 follow an example pressure roller, rear pressure roller of hat respectively rolls 1 center of crown, shoulder, and rear each section of pressure roller resets, PU drum shrink deflate into Row unloads tire.

The present embodiment mesolow the blowing pressure is transmitted ring aid composite members and is moved to right, PU drum is contracted to sizing position in 0.4bar Width, head are filled with high pressure 1.2bar.

Using the moulding process, solve steel wire carcass 5 applied on passenger tire present in bead separation, sidewall 3 is split The problems such as mouth, 5 passenger tire quality comprehensive qualification rate of steel wire carcass is made to reach 99.6%, reach factory's internal control level, quality refers to Mark is better than the common half steel tire product in part.

Case 7

The present embodiment selects 215/70R15 specification to be specifically described, and the carcass 5 of the tire uses 3+9*0.175NT The all-steel cord of structure, steel wire diameter 0.728mm, calendering density are 60EPD, and calendering designs with a thickness of 1.8mm, steel wire carcass 5 Width is 580mm；

The all-steel cord line footpath only has 0.728mm, is in addition NT all-steel cord, all-steel cord Fracture Force is low, all-steel cord Rigidity itself is low, and the overall merit all-steel cord is thin and soft, cannot achieve the all-steel cord using conventional cutting process It cuts and connector；

By comparing stiffness Analysis, it is able to achieve the severing work of the wirecord fabric constituted to the following all-steel cord of diameter 0.8mm Skill need to meet following four condition:

1. cut-off knife knife face selects the titanium alloy or other alloy knife faces between Rockwell hardness HRC28-HRC45, the present embodiment In be directed to this severing 3+9*0.175NT all-steel cord, select Rockwell hardness HRC30 titanium alloy cut-off knife；

2. the severing technique requires gap between cut-off knife to control within 1.5 (0.015mm)；Because of the excessive nothing in gap Method smoothly cuts all-steel cord, and gap is too small to be easy to damage cut-off knife, influences service life；This severing 3 is directed in the present embodiment + 9*0.175NT all-steel cord adjusts in cut-off knife gap to 1.5；All-steel cord can smoothly be cut, and notch is smooth, nothing Flash；

3. the severing technique requires to control feeding in automatic joint and pass the gap of 5 head and the tail of steel wire carcass between material to exist In the range of 1.5-2.5mm；It is directed to this severing 3+9*0.175NT all-steel cord in the present embodiment, by feeding and passs material carcass Gap between 5 is adjusted to 2.2mm；Feeding is controlled when automatic joint and passs the gap of 5 head and the tail of steel wire carcass between material in 1.5- In the range of 2.5mm can effective control joint quality, avoid dilute line, doubling problem occurs, and influences product dynamic balancing, uniformly Property qualification rate.

4. the severing technique requires to need to adjust upper and lower splicer suture pressure to 0.15- in automatic joint 0.25MPa；It is directed to this severing 3+9*0.175NT all-steel cord in the present embodiment, upper and lower splicer suture pressure is adjusted To 0.2MPa.When automatic joint, upper and lower splicer suture pressure is adjusted to 0.15-0.25MPa, keeps all-steel cord connector smooth Suture, and the arrangement of joint all-steel cord is uniformly, does not there is dilute line, doubling and other issues.

In the case where meeting four conditions required for the above severing technique, the present embodiment to diameter 0.8mm or less All-steel cord constitute steel wire cord fabric cutting technique include lead out, severing, connector；Wherein severing includes the following steps (3), institute It states connector and includes the following steps (4), specific:

(1) the steel wire curtain yardage roll after rolling is fixed on cutting machine unwinding equipment with crane, is led out by traction roller；

(2) 1-2 root all-steel cord is respectively cut away on wirecord fabric both sides, wirecord fabric side end is made to expose fresh surface, work feed Length control device sends wirecord fabric on the rectangle knife platform of cutting device；

(3) fabric clamp pushes down wirecord fabric, and with rectangle hilt steel wire cord fabric cutting；The wherein rectangle knife knife face For the titanium alloy cut-off knife knife face of Rockwell hardness HRC30；The gap of rectangle knife is adjusted to 1.5；

(4) wirecord fabric after severing carries out 90 ° of steerings by magnet holder absorption, is transported on splicing apparatus and carries out Splicing, feeding and pass material carcass 5 between gap adjust to 2.2mm, by upper and lower splicer suture pressure adjust to 0.2MPa；Two groups of umbrella shape wheels are moved in zip mode to both sides along the seam of two panels wirecord fabric when splicing, are spliced, then It carries out gluing sheet or bound edge, batch.

It is had the advantages that using the above cutting process

It, can be when progress wirecord fabric be cut, it is ensured that diameter is lower than 0.8mm or less steel wire using the above cutting process Smoothly the cutting of cord, connector, all-steel cord can smoothly cut, and notch it is smooth, without flash；Connector smoothly sutures, and All-steel cord arrangement in joint uniformly, does not there is dilute line, doubling and other issues；In addition, the unlimited NT, HT of all-steel cord type, ST, UT, MT can smooth severing, for steel wire carcass 5 on passenger tire application carry out basis；

Cutting machine can realize cutting for more kind all-steel cords, and production efficiency is not because steel wire kind is different And it has an impact.

Claims

1. steel wire carcass HP tire, tire longitudinal direction section includes the crown (1) positioned at upper outside, is connected with the crown (1) Tire shoulder (2), the sidewall (3) being connected with the tire shoulder (2), the tyre bead (4) being connected with the sidewall (3) lower part, and being located at Carcass (5) on the inside of tire section, the carcass (5) includes carcass ply, and the carcass ply is made of single layer of wires cord, The all-steel cord includes more steel wires, which is characterized in that the strength index of the carcass ply be 30000-50000N* root/ Dm, the Fracture Force of the all-steel cord are 350N-800N, and the bending stiffness of the all-steel cord is 70Nmm²-130Nmm², described For the diameter of all-steel cord between 0.50mm-0.75mm, the steel wire diameter is less than 0.3mm.

2. steel wire carcass HP tire according to claim 1, which is characterized in that the tyre bead (4) includes wire loop (41), It is coated with triangle rubber (42) on the circumference of the wire loop (41), the triangle rubber (42) is from triangle rubber lower extreme point (421) along diameter To extending to triangle rubber upper extreme point (422), the carcass (5) is around the wire loop (41) bottom reversed to sidewall (3) edge afterwards Carcass anti-package endpoint (51) is extended radially to, thickening film (43), institute are equipped between the carcass (5) and the triangle rubber (42) Carcass anti-package endpoint (51) is stated to be connected by the thickening film (43) with the triangle rubber (42).

3. steel wire carcass HP tire according to claim 2, which is characterized in that the thickening film (43) includes being located at institute Endpoint (431) on the inside of the thickening film on the inside of triangle rubber (42) is stated, and is located at outside the thickening film on the outside of the triangle rubber (42) The radial height of side point (432), the thickening film inside endpoint (431) is higher than the diameter of the triangle rubber upper extreme point (422) To height, the radial distance on the inside of the thickening film between endpoint (431) and the triangle rubber lower extreme point (421) is not less than 5mm, the radial distance between the thickening film inside endpoint (431) and the triangle rubber upper extreme point (422) are not less than 10mm； The radial height of thickening film outer point (432) is not less than the radial height of the carcass anti-package endpoint (51).

4. steel wire carcass HP tire according to claim 2, which is characterized in that the carcass (5) and the sidewall (3) it Between be equipped with strengthening course (44), the lower end of the strengthening course (44) is located at anchor point (441) under strengthening course, the strengthening course (44) Upper end is located at anchor point (442) on strengthening course, and the carcass anti-package endpoint (51) is radially positioned at anchor point under the strengthening course (441) and on the strengthening course between anchor point (442)；Anchor point (441) and the carcass anti-package endpoint under the strengthening course (51) radial distance between is 10-20mm；The radial height of anchor point (442) is higher than on the triangle rubber on the strengthening course The radial height of endpoint (422), the radial distance of anchor point (442) and the triangle rubber upper extreme point (422) on the strengthening course Greater than 10mm；The strengthening course (44) and tire circumference are in 0-55 ° of angle.

5. steel wire carcass HP tire according to claim 4, which is characterized in that the diameter of the triangle rubber upper extreme point (422) It is higher than the radial height of the carcass anti-package endpoint (51), the triangle rubber upper extreme point (422) and the carcass anti-package to height The radial distance of endpoint (51) is greater than 10mm, the thickness with the triangle rubber (42) of carcass anti-package endpoint (51) connecting place Not less than 2mm, it is described thickening film (43) with a thickness of 0.5-2mm.

6. steel wire carcass HP tire according to claim 5, which is characterized in that further include positioned at the sidewall (3) and with The connected wheel rim of wheel rim protects lower extreme point (45), between the carcass anti-package endpoint (51) and wheel rim protection lower extreme point (45) Radial distance be less than 15mm.

7. according to the described in any item steel wire carcass HP tires of claim 2-4, which is characterized in that the triangle rubber upper extreme point (422) radial height be lower than the carcass anti-package endpoint (51) radial height, the triangle rubber upper extreme point (422) with it is described The radial distance of carcass anti-package endpoint (51) be greater than 10mm, it is described thickening film (43) with a thickness of 1.0-4.0mm.

8. steel wire carcass HP tire according to claim 7, which is characterized in that be located at the institute of the wire loop (41) two sides Stating distance of the inner surface of carcass (5) between carcass anti-package endpoint (51) is 2.0-5.0mm；Positioned at the wire loop (41) outer surface and the sidewall (3) outer surface of the carcass (5) on the outside of are between carcass anti-package endpoint (51) Distance be 2.5-10mm.

9. the manufacturing process of steel wire carcass HP tire according to claim 1-8, including severing technique and molding Technique, which is characterized in that

Severing technique include lead out, severing, connector；

The severing includes: that fabric clamp pushes down wirecord fabric, then by rectangle hilt steel wire cord fabric cutting；The rectangle knife packet Include upper and lower two rectangle cut-off knives；The rectangle knife knife face is alloy knife face；The rectangle knife knife face Rockwell hardness is HRC28- HRC45；Upper and lower two rectangle cut-off knife horizontal clearances are less than 1.5；

The connector includes: that the wirecord fabric after severing is turned to by magnet holder absorption, and it is enterprising to be transported to splicing apparatus Row splicing；Feeding and the gap passed between material are adjusted to 1.5-2.5mm, and upper and lower splicer suture pressure is adjusted to 0.15- 0.25Mpa；

Moulding process includes: fitting, buckle ring, pre-setting, carcass (5) anti-package, unloads tire；

The fitting includes PA component (15) fitting, strengthening course (44) fitting and steel wire carcass (5) fitting；Wherein steel wire carcass (5) after being bonded and completing connector, rear pressure roller extend out to designated position and compresses steel wire carcass (5), and carcass drum (10) is with 80 ± 10r/ The revolving speed of min is rotated, and rear platen pressure is maintained at 2-2.5bar, and according to set the lateral velocity of 5-15mm/sec to It is outer to carry out translation rolling, until rolling at carcass (5) endpoint terminates.

10. the manufacturing process of steel wire carcass HP tire according to claim 9, which is characterized in that the buckle ring includes tire It encloses (4) latch segment and locks buckle ring；After wherein tyre bead (4) latch segment locks tyre bead (4), and keep tyre bead (4) latch segment high pressure In 5.5bar or more；

The pre-setting includes carcass drum (10) inflation；Wherein the carcass drum (10) is filled with the pressure of 1.1-1.3bar Gas；

Carcass (5) anti-package includes counter-wrapping rod (11) anti-package；When counter-wrapping rod (11) anti-package, the pressure of the counter-wrapping rod (11) is not Lower than 3.5bar；And rotation pressure roller keeps the rolling pressure of 2-3bar to be rolled after completing anti-package.

11. the manufacturing process of steel wire carcass HP tire according to claim 1-8, including severing technique and molding Technique, which is characterized in that

Severing technique include lead out, severing, connector；

Moulding process includes: liner layer (6) and carcass (5) fitting, buckle ring, carcass (5) anti-package, anti-package pressing, tire bead cloth and tire Side (3) fitting, fetus molding；

Liner layer (6) and carcass (5) fitting include liner layer (6) fitting, steel wire carcass (5) fitting；Wherein steel wire carcass (5) pastes Merge after completing connector, lower compression roller rising touches steel wire carcass (5), and keeps pressure in 1-2bar, carcass drum (10) with The speed of 600-800mm/s rotates, and lower compression roller is with the speed of 5-30mm/s, from steel wire carcass (5) middle position to carcass drum (10) endpoint carries out translation rolling.

12. the manufacturing process of steel wire carcass HP tire according to claim 11, which is characterized in that the buckle ring includes referring to Shape piece (12) crawl and bead ring (13) buckle ring；The time that its finger-type piece (12) grabs steel wire carcass (5) is 2-4s；Bead ring (13) when buckle ring, the dead time is 1-2s when bead ring (13) is moved to designated position；

Carcass (5) anti-package includes reverse-wrapped capsule (14) inflation；Wherein reverse-wrapped capsule (14) inflation is specially reverse-wrapped capsule (14) 2-4s is inflated, pressure is maintained at 3.5-4.5bar；After reverse-wrapped capsule (14) anti-package stagnates 2-4s afterwards in place, reverse-wrapped capsule (14) it deflates；

The anti-package pressing includes rolling；Wherein rolling is specially that lower compression roller rising touches steel wire carcass (5), and keeps pressure In 2-3bar, carcass drum (10) is rotated with the speed of 600-800mm/s, and lower compression roller is with the speed of 10-30mm/s, by carcass drum (10) endpoint to steel wire carcass anti-package endpoint (51) is rolled.