CN209381688U - A kind of inflatable trouble-proof tire - Google Patents

Abstract

The utility model discloses a kind of inflatable trouble-proof tires, belong to tire art.A kind of inflatable trouble-proof tire of the utility model, including tire, inside tires are equipped with inner cavity, and surface of internal cavity is around equipped with helical ridges；Helical ridges detour in inner cavity surface loop shape direction to being covered with inner cavity one week around lumen centers axis；Anti-tie hole is offered along lumen centers axis direction between the tyre surface and inner cavity of tire；The inflatable trouble-proof tire of the utility model on tyre cavity surface by, equipped with helical ridges, changing tyre cavity surface texture, increasing specific surface area, eliminate framework stress, enhance heat transfer effect, while meeting explosion-proof performance requirement, do not increase tire weight.

Description

A kind of inflatable trouble-proof tire

Technical field

The utility model relates to tire arts, more particularly to a kind of inflatable trouble-proof tire.

Background technique

In recent years, rubber industry fast development provides the wide market space, all kinds of tire product layers for tyre industry Not poor out, with the raising of people's economic life, car also becomes standing traffic trip tool, brings pole to people's life While convenience, since the blow out accident of generation of wheel also constantly increases, automobile is in high-speed travel state, for there is the inner tube of a tyre Or for tubeless tire, all there is abrasion that tire itself generates for a long time and tire bear car body weight be changed into The air pressure in portion makes the gas motion in tire locally generate high pressure herein when tire quick rotation with ground moment high velocity impact Power, the outside pressure of inside tires and external ground high velocity impact, are locally generating inside high pressure, are especially running into obstacle Object increases suddenly again in this local pressure, it is easy to and paroxysmal accident of blowing out is generated, the automobile of traveling is told once to blow out, The transfer of its center of gravity moment, is easily caused to lose control of one's vehicle, so that accident occur.

Existing trouble-proof tire, which usually passes through, to be increased tyre sidewall thickness, installs high-intensitive backing material additional in tire, in vehicle wheel When tire is damaged gas leakage, tire can be supported in time, and preventing tire from drastic mechanical deformation occurs causes to lose control of one's vehicle, although improving safety Property, but this kind of trouble-proof tire is greatly increased compared to conventional tyre weight, increases vehicle burden, usage experience driving comfort Degree substantially reduces, and processing technology is complicated, causes trouble-proof tire cost at present on the market very high.

Through retrieving, China Patent Publication No.: publication date: CN104608561A is disclosed a kind of anti-on May 13rd, 2015 Quick-fried tire, including rim, the inner tube of a tyre and cover tire；The inner tube of a tyre includes annular balloon and gas bag；The gas bag is in circle ring array, circumferential direction It is equidistantly arranged on the periphery wall of the rim；The annular balloon is fixedly arranged at a side of the circle ring array formed by the gas bag Face；A check valve is offered on the side of each gas bag and annular balloon consolidation；When the annular balloon is full of gas When, the external annulus of the annular balloon does not contact the internal perisporium of the cover tire and the internal ring wall of the annular balloon does not contact the outer of rim Peripheral wall；A charge valve is also provided in the annular balloon.Finished product weight under the premise of the trouble-proof tire guarantee of the invention is explosion-proof Although amount is mitigated, manufacturing procedure is complicated, causes manufacturing cost still very high.

Utility model content

1. utility model technical problems to be solved

For trouble-proof tire weight in the prior art is big, structure is complicated, processing is complicated, problem at high cost, this is practical new Type provides a kind of inflatable trouble-proof tire.The inflatable trouble-proof tire of the utility model is by being equipped with spiral shell on tyre cavity surface Shape burr is revolved, tyre cavity surface texture is changed, increases specific surface area, eliminates framework stress, enhances heat transfer effect, meets explosion-proof While performance requirement, do not increase tire weight.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model are as follows:

A kind of inflatable trouble-proof tire, including tire, the inside tires are equipped with inner cavity, and the surface of internal cavity surround and is equipped with Helical ridges.Surface of internal cavity is that continuous protrusion is set to inner cavity table in the shape of a spiral around helical ridges, a burr is equipped with Face, the cross sectional shape of burr are not limited in semicircle and rectangle, can be also the shapes such as trapezoidal, for manufacturing semicircle burr Mold core preferably process, the purpose equipped with burr be increase tyre cavity specific surface area to enhance heat dissipation effect, helical form knot Structure can eliminate the framework stress of inner cavity, alleviate tire product fatigue, greatly prolong the service life of tire.

Further, the helical ridges detour in inner cavity surface loop shape direction within being covered with around lumen centers axis Chamber one week.Burr helical form is set to surface of internal cavity, and while enhancing heat dissipation effect, eliminating framework stress, burr is such as spring Equally around tyre cavity, certain supporting role is played to inner cavity in spring skeleton formula, drastic mechanical deformation when tire being prevented to be punctured The situation for causing vehicle unbalance occurs.

Further, the surface of internal cavity is at least provided with a helical ridges.It is a plurality of mutual by being arranged in surface of internal cavity Disjoint helical ridges further strengthen the intensity of surface of internal cavity, are punctured or resistance to deformation when gas leakage with enhancing tire Ability.

Further, the inner cavity side opens up the valve cock of fixed valve inside and is connected to outside tires.Inner cavity side Open up the valve cock of fixed valve inside and be connected to outside tires, valve inside can by being mounted on tire side built in valve cock, External observation is stretched out less than valve inside, and carcass is replaced, is easier for installation.

Further, anti-tie hole is offered along lumen centers axis direction between the tyre surface and inner cavity of the tire.Inner cavity with Having a cavity between tyre surface is anti-tie hole, and anti-tie hole is to anti-prick ply, the anti-tie hole cross sectional shape of this programme is constituted between tyre surface Water-drop-shaped, major part one end is close to inner cavity, and at the top of tyre surface, anti-tie hole enlarged head is anti-tie to what is constituted between tyre surface for microcephaly one end Layer can play good anti-tie effect.

Further, the injection of the tire, hollow and vulcanization process carry out in same mold, and the mold includes upper Mold, middle mold core and lower mold；The surface of internal cavity has inner liner, and inner liner is sprayed on inner cavity table via liquid inner liner sizing material It is formed after the solidification of face.

A kind of processing method of inflatable trouble-proof tire, includes the following steps:

One, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；

Two, it molds: upper mold, middle mold core and lower mold clamp being formed into die cavity, by die cavity vacuum state, and heated To 120~180 DEG C；

Three, it injects: in the rubber mass injection die cavity after plasticating, molding is stood after filling；

Four, it is opened: opening mold, remove middle mold core；

Five, secondary mould closing: close up the upper mold for including half of tire respectively and lower mould secondary to form die cavity, in tire Portion is the hollow cavity that there is spiral helicine burr on surface；

Six, gas injection: to the hollow injection high temperature and high pressure gas of inside tires；

Seven, vulcanize: vulcanisation operation is carried out to tire；

Eight, pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；

Nine, inner liner prepare: by the inner liner sizing material being in a liquid state spray into inside tires it is hollow in；

Ten, twice-die-opening: opening mold, takes out tire.

Further, the inner liner sizing material being in a liquid state by the compressed air spraying of 0.1~3.0MPa enter tire it is hollow in.Pressure Liquid inner liner sizing material is sufficiently blown into tyre cavity by too small can not be successfully of contracting atmospheric pressure, is blown low efficiency, compression Atmospheric pressure is excessive to cause injecting velocity too fast, and liquid inner liner sizing material easily generates impact to the tyre cavity near valve cock, Influence tyre performance and inner liner uniformity.

Further, when carrying out inner liner preparation, inside tires are that pressure is uniform, and outside tires are evenly heated. Uniformity coefficient of the inner liner sizing material when tyre cavity solidifies is related with the pressure and temperature of tyre cavity, when inside tires are taken turns The pressure of tire inner cavity is uniform, when temperature is uniform, the cured thickness uniformity of each position inner liner sizing material of tyre cavity.

Further, the inner liner preparation step duration is 1.0~2.8min.The blowing time too short will lead to form gas Close thickness is spent thin, and air-tightness is not up to standard, and blowing overlong time can waste material and to may cause local inner liner thickness excessive, Influence tire used performance.

3. beneficial effect

Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:

(1) a kind of inflatable trouble-proof tire of the utility model, in inner cavity, surface loop is arranged with helical ridges, increases greatly The heat dissipation effect for having added tyre cavity prevents the raising of inner cavity temperature from tire pressure being caused to increase danger of blowing out；Thread-like structure can To eliminate inner cavity framework stress, alleviates tire product fatigue, extend the safe operating life of tire, and the tire of the utility model Adding helical ridges not will lead to tire weight weight gain, and raised lines structure can be integrally melted into tire manufacturing process with tire Type is made, it is not necessary that the separately formed attachment of material is separately configured, compared to the production of existing trouble-proof tire, the wheel of the utility model Tire production is simple, at low cost；

(2) a kind of inflatable trouble-proof tire of the utility model, helical ridges are around lumen centers axis in inner cavity table Face circumferential direction detours to inner cavity is covered with one week, using the burr of this scheme arrangement, is equivalent to skeleton and is equally supported on inner cavity table Face, when tire is punctured by external force, burr enhancing punctures the intensity of tire near mouth, prevents tire from being caused by large area tearing Vehicle is unbalance, under the support of burr, when having a flat tire or when tire pressure deficiency, tire can be made to keep the shape of safety traffic, Support tire prevents tyre sidewall from landing, and burr can also play reinforcing effect to inner cavity surrounded surface, increases tire all directions face Intensity, extend tyre life, be greatly reduced tire it is impaired when deformation degree；

(3) a kind of inflatable trouble-proof tire of the utility model, surface of internal cavity can lead at least provided with a helical ridges It crosses and a plurality of helical ridges is set to increase tire intensity, enhancing tire is punctured or non-deformability when gas leakage, further Ensure the safety during tire running；

(4) a kind of inflatable trouble-proof tire of the utility model, inner cavity side open up the valve cock of fixed valve inside and with Outside tires connection, allows to be mounted on carcass built in valve inside from tire side, convenient for sealing, avoids and pacifies from wheel rim Fill the trouble of valve inside；

(5) a kind of inflatable trouble-proof tire of the utility model, along lumen centers axis between the tyre surface and inner cavity of tire Direction offers anti-tie hole, constitutes anti-prick ply between anti-tie hole and tyre surface, when anti-tie hole enhancing tire running with ground face contact The intensity of tyre surface makes sharp object be not easy to puncture tyre surface, for penetrating the sharp object of tyre surface, length it is shorter be trapped in anti-tie hole It is interior, inner cavity air pressure is not interfered with, after the longer sharp object of length is pierced into inner cavity, sharp object is stuck at wound by anti-tie hole, is prevented Only sharp object, which falls off, causes wound to increase, and further enhances the safety of tire, and anti-prick ply is not also influencing tire anti-explosion effect Materials being fabricated has been saved under the premise of fruit, has been reduced costs；

(6) a kind of inflatable trouble-proof tire of the utility model, the injection of tire, hollow and vulcanization process are in same mold Interior progress simplifies tyre production process, so that the utility model tyre cavity burr is more readily processed, and the tire processed is flat Weigh Du Genggao, and usage experience is more preferable；It is solidificated in tyre cavity surface by using the method that sizing material sprays, forms the thin of densification Film, compared to the existing inner liner that film adherency is made, inner liner quality made from the utility model is lighter；Dense film Air-tightness is more preferable；The combination for being solidificated in the inner liner and carcass of surface formation is closer, does not generate shear stress each other, does not have Delamination occurs, and Acceptable life is longer；

(7) processing method of a kind of inflatable trouble-proof tire of the utility model, by plasticating, molding, inject, be opened, Secondary mould closing, gas injection, vulcanization, pressure release, inner liner preparation, twice-die-opening this technique can complete tire in one mold Hollow molding, the process for vulcanizing, preparing inner liner reduce production work without shifting the operation such as tire, pressurization, heating repeatedly Sequence substantially increases production efficiency when reducing consumption energy consumption, since inflatable trouble-proof tire is injected after directly molding in a mold It is molding, curved after the strip of middle with hole the molding tire of after cure, the method for the utility model are connect compared to existing be made The wheel balance Du Genggao being processed into, it is safer；

(8) processing method of a kind of inflatable trouble-proof tire of the utility model is right by inner liner preparation process Blowing pressurized air pressure, external heating temperature and the control for being blown the time, keep the pressure and temperature of tyre cavity uniformly and Stablize in suitable range, liquid inner liner sizing material can uniformly adhere to after being blown into tyre cavity to be solidificated in tire Chamber surface, to form fine and close and uniform airtight thin layer, the inner liner preparation section of the utility model is simply easily realized, is obtained Inner liner it is lighter and thinner, air-tightness is more preferable；

(9) a kind of processing method of inflatable trouble-proof tire of the utility model, manufactured inflatable trouble-proof tire have Good air-tightness, in use will not gas leakage, cooperate tire surface of internal cavity helical ridges improvement, make tyre production When inner liner adhesive ability it is stronger, air-tightness is higher；

(10) a kind of inflatable trouble-proof tire and its processing method of the utility model, enhances the improvement of tire construction The thermal diffusivity of tire avoids summer or runs at high speed to cause air pressure excessively high；Helical ridges alleviate tire product fatigue, extend Tire safety service life；Raised lines structure also enhances non-deformability when tire is punctured, tire when preventing from being punctured Deformation causes vehicle unbalance suddenly；By the improvement to processing method, tire obtained has very high air-tightness, and high airtight Property is stable for a long time, avoids during tire used that tire pressure is insufficient to be happened, and solves the hidden of tyre explosion from many aspects Suffer from, has reached explosion-proof criteria.

Detailed description of the invention

Fig. 1 is the inflatable trouble-proof tire structural schematic diagram of the utility model；

Fig. 2 is the inflatable trouble-proof tire cross-sectional view of the utility model；

Fig. 3 is the inflatable trouble-proof tire cross-sectional view of the utility model；

Fig. 4 is the enlarged drawing of A in Fig. 3；

Fig. 5 is the inflatable trouble-proof tire cross-sectional view of the utility model；

Fig. 6 is the inflatable trouble-proof tire valve mouth position of the utility model；

Fig. 7 is the inflatable trouble-proof tire cross-sectional view that the utility model is equipped with anti-prick ply；

Fig. 8 is the mold structure diagram for processing tire.

In figure: 1, tire；10, inner cavity；11, valve cock；12, anti-tie hole；13, lumen centers axis；2, mold；20, on Mold；21, middle mold core；22, lower mold；23, injection orifice.

Specific embodiment

For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with attached drawing.

Embodiment 1

A kind of inflatable trouble-proof tire of the present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 5, including tire 1, it is characterised in that: Inner cavity 10 is equipped with inside the tire 1,10 surface loop of inner cavity is arranged with helical ridges.

Cause tyre explosion generally there are four reason, first is that have a flat tire, gas leakage caused by tire itself damages or by Gas leakage caused by puncture, second is that tire pressure is excessively high, running at high speed causes tyre temperature to increase, and cannot radiate in time makes gas in tire Pressure increases, and squeegee action is caused to be blown out；Third is that under-inflation, easily causes big resonance effect power, and may in turning Cause tyre sidewall to land to blow out；Fourth is that tire self performance, Tire production is that the degree of balance not enough leads to abrasion quickly, makes to go out on tire Existing frangible vulnerable area；When the main reason for tyre explosion causes the accident is because of galloping, tire ruptures suddenly Lead to unexpected deformation, lateral deviation occurs for vehicle's center of gravity suddenly change.The present embodiment is directed to above-mentioned cause of accident of blowing out, to tire knot Structure makes improvement, as follows:

10 surface loop of inner cavity is arranged with helical ridges, as shown in figures 2 and 5, it should be noted that a burr is Continuous protrusion is set to 10 surface of inner cavity in the shape of a spiral, and the cross sectional shape of burr is not limited in Fig. 4 semicircle shown in (a) And rectangle shown in (b) in Fig. 4, also it can preferably process, be equipped with for shapes, the mold core for manufacturing semicircle burr such as trapezoidal The purpose of burr is to increase the specific surface area of tyre cavity 10, compared to smooth 10 surface of inner cavity, the present embodiment is this have it is convex 10 specific surface area of inner cavity of line is bigger, and bring beneficial effect is that the heat dissipation effect of tire greatly improves, in summer or high speed Caused tire temperature raising can be radiated in time when driving, so that temperature be avoided to increase the situation hair for causing intrauterine pressure excessively high It is raw.

In addition, being equipped with spiral helicine burr on 10 surface of inner cavity, helicoidal structure can eliminate the framework stress of inner cavity, tire The stress generated when use has helicoidal structure to uniformly transfer dispersion, greatly alleviates the fatigue of tire product, makes tire Safe operating life greatly increases.

The inflatable trouble-proof tire of the present embodiment only adds on 10 surface of tyre cavity compared to existing trouble-proof tire structure If helical ridges, this structure integrated molding can add up in tire building, not will increase dramatically tire weight, will not Increase automobile weight bearing, it is simple compared to the production of existing trouble-proof tire, it is at low cost.

Embodiment 2

A kind of inflatable trouble-proof tire of the present embodiment, is further improved, the helical form on the basis of embodiment 1 Burr detours in 10 surface circumferential direction of inner cavity to being covered with inner cavity 10 1 weeks around lumen centers axis 13.

As shown in figure 3, burr is set to 10 surface of inner cavity by mode helical form as shown in the figure, in enhancing heat dissipation effect, eliminate While framework stress, burr, around tyre cavity 10, plays certain branch to inner cavity 10 in spring skeleton formula as spring Support effect under the action of the helical ridges of present embodiment arrangement, punctures near mouth when tire is punctured by external force The evenly dispersed active force generated when puncturing of screw thread, unexpected deformation when tire being prevented to be punctured, shape of threads burr also reinforces The intensity on 10 surface of tyre cavity prevents air pressure from leaking lower unexpected tearing tire, while helical ridges gather in inner cavity 10 Surface can allow automobile that certain speed to be kept to drive safely to repair location in tyre puncture rear support tire shape.

Embodiment 3

A kind of inflatable trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 2, the inner cavity 10 Surface is at least provided with a helical ridges.

The inflatable trouble-proof tire of the present embodiment, by the way that a plurality of mutually disjoint helical ridges are arranged on 10 surface of inner cavity Further strengthen the intensity on 10 surface of inner cavity, is punctured or non-deformability when gas leakage with enhancing tire；It is also settable more A inner cavity 10, helical ridges are arranged in each 10 surface of inner cavity, to reach identical effect.

The inflatable trouble-proof tire of the present embodiment, intensity is higher, and tire anti-explosion ability is stronger, but manufacturing cost is mentioned Height, the inflatable trouble-proof tire of the present embodiment also mountable use, helical ridges in the case where non-aerating can support carcass, It prevents from tyre sidewall from landing to be worn.

Embodiment 4

A kind of inflatable trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 1 or 2 or 3, described 10 side of inner cavity open up the valve cock 11 of fixed valve inside and be connected to outside tire 1.

Existing valve inside is mounted on the wheel rim of tire inner wall more, and small part is mounted in the groove of wheel rim side, peace Dress trouble needs frequently disassembly when replacing carcass, and easy gas leakage, the inflatable trouble-proof tire of the present embodiment, 10 side of inner cavity are opened If the valve cock 11 of fixed valve inside and be connected to outside tire 1, valve inside can be by being mounted on tyre side built in valve cock 11 Face, external observation are stretched out less than valve inside, and sealing is more convenient reliable at valve inside, and more convenient when carcass replacement.

Embodiment 5

A kind of inflatable trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 1 or 2 or 3 or 4, Anti-tie hole 12 is offered along 13 direction of lumen centers axis between the tyre surface and inner cavity 10 of the tire 1.

As shown in fig. 7, having a cavity between inner cavity 10 and tyre surface is anti-tie hole 12, anti-tie hole 12 is anti-to constituting between tyre surface Layer is pricked, 12 cross sectional shape of anti-tie hole of the present embodiment is water-drop-shaped, and major part one end is close to inner cavity 10, and microcephaly one end is close to tyre surface top Portion, anti-tie 12 enlarged head of hole can play good anti-tie effect to the anti-prick ply constituted between tyre surface, and automobile in motion, is taken turns Tire and the tyre surface of ground face contact are highly prone to the puncture of sharp stone, nail, the drop shape in anti-tie hole 12, small cephalic par to tire Stress is concentrated between face, is made to be not easy to pierce through tyre surface when encountering sharp object when tire running, is reached anti-tie effect, even if piercing through Situation, the sharp object for being pierced into tire pass through anti-tie hole 12, are pierced into tyre cavity 10, the design feature in anti-tie hole 12 can will be pierced Enter object and be stuck in wound site, prevents it from falling and wound site increase is caused to accelerate gas leakage, if piercing object is shorter and smaller, be trapped in anti- It pricks in hole 12, does not interfere with 10 air pressure of inner cavity；Anti-tie hole 12 can also be under the premise of not influencing tire anti-explosion effect into one Step reduces tire and makes materials, reduces cost.

Embodiment 6

A kind of inflatable trouble-proof tire of the present embodiment, further changes on the basis of embodiment 1 or 2 or 3 or 4 or 5 Into the injection of the tire 1, hollow and vulcanization process carry out in same mold 2, and the mold 2 includes upper mold 20, middle mould Core 21 and lower mold 22；

After 10 surface of inner cavity has inner liner, inner liner to be sprayed on 10 surface cure of inner cavity via liquid inner liner sizing material It is formed.

The inflatable trouble-proof tire of the present embodiment is that tubeless tyre need to first be made when existing tubeless tyre is processed It is curved after the strip of middle with hole to connect after cure molding, it is too big using the method processing 10 surface relief difficulty of inner cavity, and the method The operation such as tire, pressurization, heating need to be shifted repeatedly, and process is many and diverse, the inflatable trouble-proof tire of the present embodiment, using straight forming Method, by middle mold core 21 be equipped with helical form dimpled grain corresponding with 10 surface shape of inner cavity, in upper mold 20 and middle mold core 21, half of tire, the entire tire of straight forming after molding vulcanization, such as Fig. 8 institute are separately formed between lower mold 22 and middle mold core 21 Show, enormously simplify the production process of tire, so that the burr on 10 surface of tyre cavity of the application is easily fabricated, and through we The wheel balance degree that method is produced is high, and usage experience is good, long service life；Existing tubeless liner is by inner liner Rubber compounding is adhered on tyre cavity 10 after being rolled into film, the inner liner obtained using this inner liner preparation process with There is shear stresses between carcass, easily make it that delamination occur between carcass, and easily crack under long-time stress, take off Layer and crackle will cause tubeless tyre gas leakage, influence air-tightness, to guarantee that air-tightness is up to standard, not only want to properties of rubber It asks very high, has strict requirements, technology to refining glue capacity, dump temperature, calendering procedure and the vulcanization adherency when being kneaded It is required that very high, most of producers are difficult to reach requirement, so multi-pass crosses increase inner liner thickness to keep air-tightness up to standard, but in this way It will cause tire weight increase, waste of material influences usage experience, in view of this, the utility model is to inner liner in tyre cavity The preparation method on 10 surfaces optimizes: inner liner sizing material being smelted into the shape that is in a liquid state, the inner liner sizing material of liquid state is blown Into tyre cavity 10, liquid inner liner sizing material is uniform curing on 10 surface of tyre cavity, forms fine and close film layer, this knot Conjunction mode is that macromolecule filming combination is cross-linked by small molecule, is combined closely between airtight layer film and carcass, approximation is integrated knot Structure, shear stress between the two is minimum, and delamination will not occur, and inner liner sizing material of the same race is formed by curing airtight by spraying Layer compared with film adherency is made into inner liner, after spraying solidify the inner liner quality that is formed gentlier, dense film air-tightness more It is good, delamination does not occur, the service life is longer.

Embodiment 7

The processing method of a kind of inflatable trouble-proof tire of the present embodiment, for manufacturing described in Examples 1 to 6 any one Inflatable trouble-proof tire, comprising the following steps:

One, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；

Two, it molds: closing up upper mold 20, middle mold core 21 and lower mold 22 to form die cavity, by die cavity vacuum state, And it is heated to 120~180 DEG C；

Three, it injects: in the rubber mass injection die cavity after plasticating, molding is stood after filling；

Four, it is opened: opening mold 2, remove middle mold core 21；

Five, secondary mould closing: closing up the upper mold 20 for including half of tire respectively and lower mold 22 2 times to form die cavity, wheel It is the hollow cavity that there is spiral helicine burr on surface inside tire；

Six, gas injection: to the hollow injection high temperature and high pressure gas of inside tires；

Seven, vulcanize: vulcanisation operation is carried out to tire；

Eight, pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；

Nine, inner liner prepare: by the inner liner sizing material being in a liquid state spray into inside tires it is hollow in；

Ten, twice-die-opening: opening mold 2, takes out tire.

The processing method of the inflatable trouble-proof tire of the present embodiment, is plasticated, is molded, injected and is opened step, in mold 2 The molding upper half tire of inner cavity burr and lower half tire have inside been obtained, has been separately formed in upper mold 20 and lower mold 22, passes through By middle mold core 21 be cast as with the matched helical form dimpled grain shape of inner cavity helical ridges, make tyre cavity 10 formation need to process Shape, protrusion is provided with 11 moulding mould of upper mold valve cock vertically downwards on upper mold 20, for installing gas after tire building Men Xin when secondary mould closing, withdraws middle mold core 21, upper mold 20 and lower mold 22 directly mold, at this time inflatable Explosion-proof wheel the form of the foetus Shape is molded, guarantees the dimensionally stable of tyre cavity 10 in subsequent operation by gas injection step, carries out vulcanisation operation to tire, makes Upper half tire and lower half tire building are complete tire, when vulcanizing progress and reaching 95% or more, start to inside tires into Row pressure release is ready for inner liner preparation, liquid inner liner sizing material can be blown into from valve cock, is solidificated in wheel to inner liner sizing material Behind 10 surface layer of tire inner cavity, twice-die-opening takes out tire, has obtained molding inflatable trouble-proof tire.

Embodiment 8

A kind of processing method of inflatable trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 7, The inner liner sizing material being in a liquid state by the compressed air spraying of 0.1~3.0MPa enter tire it is hollow in.

Using compressed air as power source, by valve cock, the blowing of liquid inner liner sizing material is entered into tyre cavity 10 In, blowing operation is convenient and efficient, according to tyre model difference, selects the compressed air of different pressure to be blown, compressed air Pressure cannot too small (be less than 0.1MPa), otherwise can not be successfully and liquid inner liner sizing material sufficiently be blown into tyre cavity 10 In, be blown low efficiency, compressed air pressure cannot excessive (be greater than 3.0MPa), pressure is excessive to cause injecting velocity too fast, liquid Inner liner sizing material easily generates impact to the tyre cavity near valve cock, influences tyre performance, and is blown the excessive influence wheel of pressure The uniformity of tire chamber pressure causes inner liner uniformity to be affected.

Embodiment 9

A kind of processing method of inflatable trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 8, When carrying out inner liner preparation, inside tires are that pressure is uniform, and outside tires are evenly heated；Inner liner preparation step continues Time is 1.0~2.8min.

Show uniformity coefficient and tyre cavity of the inner liner sizing material when tyre cavity 10 solidifies through applicant's experimental study 10 pressure and temperature is related, when the pressure of inside tires, that is, tyre cavity 10 is uniform, when temperature is uniform, and each portion of tyre cavity 10 The position cured thickness uniformity of inner liner sizing material, cured speed can be accelerated by being evenly heated from outside tires to tire Degree facilitates the attachment of air/tight layer rubber material to solidify after the heating of 10 surface of tyre cavity, and outside tires heating temperature is 100~150 DEG C, For tyre model difference, select different heating temperatures, heating temperature cannot too low (less than 100 DEG C), otherwise tyre cavity 10 surface temperatures are too low, and inner liner sizing material curing efficiency is low, and the thin layer formed is excessively thin, and not fine and close, heating temperature cannot be excessively high (being greater than 150 DEG C), it otherwise will affect the performance of inner liner sizing material.

Further, the inner liner preparation step of the present embodiment is divided into two stages: a), being blown: will by compressed gas The blowing of liquid inner liner sizing material enters inner cavity 10, and blowing process continues 0.1~0.6min；B), solidify: after the completion of the blowing stage, It keeps standing a period of time under 10 constant temperature and pressure of inner cavity, the inner liner sizing material of blowing is made to be solidificated in 10 surface of inner cavity, solidification process Continue 0.9~2.2min.

It will lead to that the airtight layer film to be formed is excessively thin, and air-tightness is not the blowing inner liner duration too short (be less than 0.1min) It is up to standard, blowing inner liner duration too long (being greater than 0.6min) waste material and time, to inner liner consistency and uniformity Beneficial Effect it is little, in some instances it may even be possible to cause local inner liner thickness excessive, influence performance in subsequent tyre use process；Gu It is not sufficiently cured on 10 surface of inner cavity to change the inner liner sizing material that the time too short (being less than 0.9min) will lead to blowing, influences airtight Property, curing time too long (being greater than 2.2min) influences less inner liner solidification, but wastes time, and increases production cost.

Under the premise of inner tyre pressure is uniform, outside tires are evenly heated, pass through the pressure of control compressed gas blowing By force, blowing the duration can achieve the effect controlled the thickness for preparing inner liner, compared with the prior art in it is airtight The preparation method of layer, the application can flexibly control the thickness of inner liner preparation, the densification of most thin reachable 0.5mm according to different demands Uniform inner liner, under the premise of guaranteeing air-tightness, weight shared by mitigation inner liner can give birth to the increase of above-mentioned parameter significantly Thickness is produced in the compressed air pressure of the application, external heating temperature, blowing time range at the big inner liner of thickness The fine and close inner liner in homogeneous thickness that degree is 0.5~5.0mm.

Embodiment 10

A kind of processing method of inflatable trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 9, By vacuum state in die cavity after molding, and die cavity is heated up to 120~180 DEG C；When injecting step, kept for 60~100 DEG C Injection temperature, injection after the completion of stand 5~50s；In gas injection step, to the hollow injection nitrogen of inside tires, pressure is 0.9~ 4.9MPa, temperature are 100~180 DEG C；The duration of vulcanisation step is 600~1000s.

Rubber mass can be easier injection and fill up die cavity when vacuum state in die cavity is facilitated injecting step, by mould The temperature that 2 outside of tool heats to guarantee die cavity is controlled at 120~180 DEG C, it is ensured that and the rubber mass mobility for being injected into die cavity is enough, The injection for being bonded near injection orifice 23 and influencing rubber mass will not be pre-chilled；Guarantee injection temperature between 60~100 DEG C, it is ensured that note The mobility of rubber mass during penetrating, further, the injection time of the present embodiment control in 30s, prevent from injecting slow rubber Material shifts to an earlier date shaping influence subsequent injections in die cavity, and 5~50s is stood after injection, during this period the first one-step forming of tire, according to production Parameter selected by the size model number of tire is different；It is completed in needed for tyre vulcanization to inside tires injection high temperature and pressure nitrogen Pressure support molding, instead of using superheated water to support as internal pressure in traditional handicraft, compared to traditional handicraft, the present embodiment is produced into This is lower, due to reducing heating and the conveying equipment of water, reduces the 40~50% of vulcanization energy consumption, has saved the expense of water process With；Injection nitrogen improves sulfide stress, improves the overall performance of tire, shortens vulcanization time；The nitrogen of the present embodiment injection Gas is that oxygen mass fraction is lower than 10 × 10^-6High-purity nitrogen, to vulcanization crosslinking density close to zero consumption, improve vulcanization rear-wheel The quality of tire, and nitrogen oxygen content is extremely low, will not aoxidize to equipment such as molds, can greatly prolong the service life of equipment； The duration of the present embodiment vulcanisation step is 600~1000s, selects different ginsengs according to the tire size model difference of production Number.

Further, the present embodiment is equipped with multiple groups mold, and every group of mold is fixed seat in the plane, the rubber mass injection of the present embodiment Equipment is funcition table for injecting, and injection pedestal is movable seat in the plane, can be moved between multiple fixed seats in the plane, due to the vulcanization waiting time compared with Long, injection pedestal can inject next group of mold during waiting vulcanization, save the time of tire production process, a pair of It is carry out tire production more, space, energy consumption are saved, production efficiency is further increased.

Embodiment 11

A kind of processing method of inflatable trouble-proof tire of the present embodiment, the inflatable Explosion-proof wheel that production diameter is 600mm Tire, specific steps are as follows:

One, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；

Two, it molds: closing up upper mold 20, middle mold core 21 and lower mold 22 to form die cavity, upper mold 20 and lower mold 22 For the shape of half of tire, the shape of middle mold core 21 is the cylinder strip of closure, which is provided with helical form dimpled grain, in clamping process By heating mould 2, die cavity is warming up to 120 DEG C, vacuumizes die cavity after molding；

Three, inject: in rubber mass after plasticating injection die cavity, temperature is 60 DEG C, injection time 10s when injection, note 5s molding is stood after full；

Four, it is opened: opening mold 2, remove middle mold core 21；

Five, secondary mould closing: closing up the upper mold 20 for including half of tire respectively and lower mold 22 2 times to form die cavity, wheel It is the hollow cavity that there is spiral helicine burr on surface inside tire；

Six, gas injection: to the hollow injection high temperature and pressure nitrogen of inside tires, pressure 0.9MPa, temperature is 100 DEG C；

Seven, vulcanize: vulcanisation operation, duration 600s are carried out to tire；

Eight, slow pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；

Nine, inner liner prepare: by the inner liner sizing material being in a liquid state spray into inside tires it is hollow in, blowing when, compression Atmospheric pressure is 0.6MPa, and outside tires heating temperature is 100 DEG C, and blowing total time is 0.5min；

Ten, twice-die-opening: opening mold 2, takes out tire.

Tire pressure decline did not occurred using 12 months after inflatable trouble-proof tire sufficient gas made from the present embodiment, does not occur quick-fried Tire phenomenon.

Embodiment 12

A kind of processing method of inflatable trouble-proof tire of the present embodiment, the inflatable Explosion-proof wheel that production diameter is 700mm Tire, specific steps are as follows:

One, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；

Two, it molds: closing up upper mold 20, middle mold core 21 and lower mold 22 to form die cavity, upper mold 20 and lower mold 22 For the shape of half of tire, the shape of middle mold core 21 is the cylinder strip of closure, which is provided with helical form dimpled grain, in clamping process By heating mould 2, die cavity is warming up to 150 DEG C, vacuumizes die cavity after molding；

Three, inject: in rubber mass after plasticating injection die cavity, temperature is 85 DEG C, injection time 25s when injection, note 35s molding is stood after full；

Four, it is opened: opening mold 2, remove middle mold core 21；

Five, secondary mould closing: closing up the upper mold 20 for including half of tire respectively and lower mold 22 2 times to form die cavity, wheel It is the hollow cavity that there is spiral helicine burr on surface inside tire；

Six, gas injection: to the hollow injection high temperature and pressure nitrogen of inside tires, pressure 3.6MPa, temperature is 160 DEG C；

Seven, vulcanize: vulcanisation operation, duration 800s are carried out to tire；

Eight, slow pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；

Nine, inner liner prepare: by the inner liner sizing material being in a liquid state spray into inside tires it is hollow in, blowing when, compression Atmospheric pressure is 1.0MPa, and outside tires heating temperature is 120 DEG C, and blowing total time is 1.5min；

Ten, twice-die-opening: opening mold 2, takes out tire.

Tire pressure decline did not occurred using 12 months after inflatable trouble-proof tire sufficient gas made from the present embodiment, does not occur quick-fried Tire phenomenon.

Embodiment 13

A kind of processing method of inflatable trouble-proof tire of the present embodiment, the inflatable Explosion-proof wheel that production diameter is 800mm Tire, specific steps are as follows:

One, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；

Two, it molds: closing up upper mold 20, middle mold core 21 and lower mold 22 to form die cavity, upper mold 20 and lower mold 22 For the shape of half of tire, the shape of middle mold core 21 is the cylinder strip of closure, which is provided with helical form dimpled grain, in clamping process By heating mould 2, die cavity is warming up to 180 DEG C, vacuumizes die cavity after molding；

Three, inject: in rubber mass after plasticating injection die cavity, temperature is 100 DEG C, injection time 30s when injection, note 50s molding is stood after full；

Four, it is opened: opening mold 2, remove middle mold core 21；

Five, secondary mould closing: closing up the upper mold 20 for including half of tire respectively and lower mold 22 2 times to form die cavity, wheel It is the hollow cavity that there is spiral helicine burr on surface inside tire；

Six, gas injection: to the hollow injection high temperature and pressure nitrogen of inside tires, pressure 4.9MPa, temperature is 180 DEG C；

Seven, vulcanize: vulcanisation operation, duration 1000s are carried out to tire；

Eight, slow pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；

Nine, inner liner prepare: by the inner liner sizing material being in a liquid state spray into inside tires it is hollow in, blowing when, compression Atmospheric pressure is 1.2MPa, and outside tires heating temperature is 150 DEG C, and blowing total time is 2.5min；

Ten, twice-die-opening: opening mold 2, takes out tire.

Tire pressure decline did not occurred using 12 months after inflatable trouble-proof tire sufficient gas made from the present embodiment, does not occur quick-fried Tire phenomenon.

Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (5)

1. a kind of inflatable trouble-proof tire, including tire (1), it is characterised in that: inner cavity (10) are equipped with inside the tire (1), Inner cavity (10) surface loop is arranged with helical ridges.

2. a kind of inflatable trouble-proof tire according to claim 1, it is characterised in that: the helical ridges surround inner cavity Central axis (13) detours in inner cavity (10) surface circumferential direction to being covered with inner cavity (10) one weeks.

3. a kind of inflatable trouble-proof tire according to claim 2, it is characterised in that: inner cavity (10) surface is at least set There are a helical ridges.

4. a kind of inflatable trouble-proof tire according to claim 1, it is characterised in that: inner cavity (10) side offers The valve cock (11) of fixation valve inside is simultaneously connected to tire (1) outside.

5. a kind of inflatable trouble-proof tire according to claim 1, it is characterised in that: the tyre surface of the tire (1) with it is interior Anti-tie hole (12) are offered along lumen centers axis (13) direction between chamber (10).