CN103085300A - Manufacturing process of double-density/multi-density solid tire group - Google Patents
Manufacturing process of double-density/multi-density solid tire group Download PDFInfo
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- CN103085300A CN103085300A CN2013100283951A CN201310028395A CN103085300A CN 103085300 A CN103085300 A CN 103085300A CN 2013100283951 A CN2013100283951 A CN 2013100283951A CN 201310028395 A CN201310028395 A CN 201310028395A CN 103085300 A CN103085300 A CN 103085300A
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Abstract
The invention discloses a manufacturing process of a double-density/multi-density solid tire group. The manufacturing process comprises the following steps of: (1) molding an inner tire: filling one or more than one inner tire material into an inner tire molding mould for times and controlling the amount during the filling of the material; rotating at a high speed, heating and foaming; and curing to obtain the inner tire; (2) combining the inner tire and a wheel hub: assembling the inner tire into an outer ring positioning groove of the wheel hub; and (3) molding an outer tire: placing and fixing a combined body of the inner tire and the wheel hub in an outer tire molding mould; molding the outer tire; and de-molding after curing and molding to obtain the double-density/multi-density solid tire group. The process is simple and convenient, does not cause deformation of the tire and the wheel hub in the manufacturing process, and can improve the product quality.
Description
Technical field
The present invention relates to a kind of manufacturing technology of tire, the manufacture craft of espespecially a kind of dual density/multi-density solid tyre wheels.
Background technology
Wheels generally are comprised of tire and wheel hub.Tire generally is divided into air tyre and solid tyre, and air tyre is exactly our common pneumatic tire, and solid tyre is often the solid construction of being made by foaming material.Solid tyre is divided into again single density solid tyre, dual density solid tyre and multi-density solid tyre.Wherein density refers to the density of material, therefore the single density solid tyre is exactly the solid carcass (as shown in Figure 1) that a kind of material is made, the dual density solid tyre is the inside and outside double-deck carcass (as shown in Figure 2) of being made by bi-material, the multi-density solid tyre is to make (as shown in Figure 3) by material more than three kinds or three kinds, one deck cover tire and the two-layer or two-layer above inner tube of a tyre.
Wheel hub is divided into single hub and two-piece type wheel hub, and the whole wheel hub of single hub is a complete structure, when it coordinates assembling with tire, directly tire sleeve is fixed in outside wheel hub; The two-piece type wheel hub is to assemble by two parts are involutory, and it coordinates with tire when installing, and is the both sides of two part wheel hub structures from tire are placed in tire, then utilizes securing member that two part wheel hubs are locked together.
Present making for the wheels with dual density solid tyre and single hub, tire and wheel hub are moulding respectively, and then tire sleeve is combined on wheel hub.There is following defective in the mode that this assembling is made:
1. because tire and wheel hub are separately to make, when both are fitted together, tire after moulding has been placed a very long time usually, and tire is normally made by foaming material, its finished product very easily causes size inconsistent due to the impact of material, technique, equipment, causes coordinating with wheel hub on the one hand not good, may cause on the other hand the wheel packet size made inconsistent, quality is bad.Simultaneously also because of the very easily knocking over of the not good in use tire of dimensional fits, habitual abortion.
2. tire and wheel hub when assembling, need the tire after moulding is strutted, then wheel hub is put into tire, in this process, also can cause squeegee action, and then cause the wheel size made inconsistent, virtually affect security and the service life thereof of tire used.
3. tire and wheel hub in assembling process, can make squeegee action, thereby cause the tire periphery not round, and wheel in use, has some setbacks because the not round tire of distortion can make to roll like this, affects result of use.
In addition, the making of dual density solid tyre itself has dual mode at present, and a kind of is the first moulding cover tire reshaping inner tube of a tyre, and a kind of is the first moulding inner tube of a tyre reshaping inner tube of a tyre.
Publication number is that the Chinese invention patent application of CN1647957A namely discloses a kind of " nano polyurethane inflation-free tyre ", and disclose the molding mode of this tire: tyre surface and carcass are respectively by the polyurethane nano composite material of two kinds of different formulations casting-centrifugate at twice, first pour into a mould for the first time tyre surface (cover tire), pour into a mould again for the second time carcass (inner tube of a tyre).But this application is described very limitedly to the forming method of two-ply tyre, forms cavity in cover tire so that these crucial problems of follow-up inner tube of a tyre moulding etc. all not have to disclose when the moulding cover tire such as how.That is to say the inreal openly forming method of dual density tire of case before this patent.
TaiWan, China application for a patent for invention number 095119988, disclose a kind of " two formula PU tire forming molds and forming method thereof ", before this patent, " prior art " of case also discloses a kind of forming method of two-layer equation PU tire of the first moulding cover tire reshaping inner tube of a tyre.But the method is the not concrete open cavity that how to mold in cover tire also, but also point out, the exhausting problem of cover tire cavity when the method will solve the moulding inner tube of a tyre, need to steam vent be set in a wherein side of cover tire, to occur like this because of exhausting problem cause moulding after density of material inhomogeneous, the problem such as the tire soft durometer is inhomogeneous.
See therefrom, the moulding process of the dual density solid tyre of the first moulding cover tire reshaping inner tube of a tyre is difficult to realization, even can realize, molding mode is also very complicated, also can occur the various problems that affect product quality after moulding.
TaiWan, China application for a patent for invention number 095119988 also discloses a kind of forming method of two formula PU tires of first moulding inner tube of a tyre reshaping cover tire.Although first moulding inner tube of a tyre reshaping cover tire method is more simple, but but have the orientation problem of the inner tube of a tyre, location structure need to additionally be set, and remove location structure after tire building, these all will cause the moulding process of tire comparatively complicated, and directly affect the performance of product.
As for the multi-density solid tyre, because the two-layer inner tube of a tyre is not to resemble that ring-type arranges Tire ﹠ Tube, but along the radially setting of tire, therefore can not adopt above-mentioned several method.Up to the present the multi-density solid tyre of this structure does not also have feasible molding mode for this reason.
Summary of the invention
Technical problem to be solved by this invention is to provide the manufacture craft of a kind of dual density/multi-density solid tyre wheels, by this manufacture craft moulding dual density, triple density solid tyre more than triple density at least simply and easily, and the distortion that can not cause tire and wheel hub to cause in technique manufacturing process can improve product quality.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of manufacture craft of dual density solid tyre wheels comprises following technological process:
(1) the moulding inner tube of a tyre:
Inner tube of a tyre liquid material is poured in inner tube of a tyre mould, and high speed rotating mould and foamable, make material evenly fill up the die cavity of inner tube of a tyre mould simultaneously, and after curing molding, the demoulding obtains the inner tube of a tyre; The cast passage of this inner tube of a tyre mould enters described die cavity from the middle part of its patrix to relative inner tube of a tyre inner ring surface;
(2) inner tube of a tyre and wheel hub combination:
The inner tube of a tyre of institute's moulding is assembled in the outer ring locating slot of wheel hub by special use dress tire tool, is provided with location structure in order to the described inner tube of a tyre is positioned at the middle position of outer ring locating slot in the locating slot of the outer ring of described wheel hub; The hub circle sidewall of this wheel hub also has plug hole;
(3) moulding cover tire:
The assembly of the above-mentioned inner tube of a tyre and wheel hub is placed and is fixed in the tyre building mould, and the cast passage of this tyre building mould leads to the plug hole of wheel hub from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in the tyre building mould afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity and wheel hub, the inner tube of a tyre material; After solidifying, tyre building in the locating slot of the outer ring of wheel hub and be coated on the periphery of the inner tube of a tyre, obtains dual density solid tyre wheels after the demoulding.
A kind of manufacture craft of multi-density solid tyre wheels comprises following technological process:
(1) the moulding inner tube of a tyre:
Two or more inner tube of a tyre liquid material gradation is poured in inner tube of a tyre mould, and the amount of the material of the each perfusion of control, high speed rotating mould and foamable, can mold multilayer along the radially-arranged inner tube of a tyre of tire, thereby obtain the multilayer inner tube structure simultaneously; The cast passage of this inner tube of a tyre mould enters described die cavity from the middle part of its patrix to relative inner tube of a tyre inner ring surface;
(2) inner tube of a tyre and wheel hub combination:
The multilayer inner tube of a tyre of institute's moulding is assembled in the outer ring locating slot of wheel hub by special use dress tire tool, is provided with location structure in order to the described inner tube of a tyre is positioned at the middle position of outer ring locating slot in the locating slot of the outer ring of described wheel hub; The hub circle sidewall of this wheel hub also has plug hole
(3) moulding cover tire:
The assembly of the above-mentioned multilayer inner tube of a tyre and wheel hub is placed and is fixed in the tyre building mould, and the cast passage of this tyre building mould leads to the plug hole of wheel hub from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in the tyre building mould afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity and wheel hub, the inner tube of a tyre material; After solidifying, tyre building in the locating slot of the outer ring of wheel hub and be coated on the periphery of the inner tube of a tyre, obtains multi-density solid tyre wheels after the demoulding.
A kind of manufacture craft of multi-density solid tyre wheels comprises following technological process:
(1) the moulding inner tube of a tyre:
(a) form outside inner tube of a tyre:
The liquid material of the outside inner tube of a tyre is poured in inner tube of a tyre mould, while high speed rotating mould and foamable, the amount of the material of control perfusion makes material only be filled in the outside of the die cavity of inner tube of a tyre mould under centrifugal action, forms the outside inner tube of a tyre; The cast passage of this inner tube of a tyre mould enters described die cavity from the middle part of its patrix to relative inner tube of a tyre inner ring surface;
(b) the inboard inner tube of a tyre of secondary pouring moulding:
After the material scheduled volume of the outside inner tube of a tyre has been annotated, liquid material with the inboard inner tube of a tyre is poured in inner tube of a tyre mould again, same high speed rotating mould and foamable, the remaining space that makes material fill up described die cavity obtains the inboard inner tube of a tyre, obtains Double-layer inner-tube after curing molding;
(2) inner tube of a tyre and wheel hub combination:
The Double-layer inner-tube of institute's moulding is assembled in the outer ring locating slot of wheel hub by special use dress tire tool, is provided with location structure in order to the described inner tube of a tyre is positioned at the middle position of outer ring locating slot in the locating slot of the outer ring of described wheel hub; The hub circle sidewall of this wheel hub also has plug hole
(3) moulding cover tire:
The assembly of above-mentioned Double-layer inner-tube and wheel hub is placed and is fixed in the tyre building mould, and the cast passage of this tyre building mould leads to the plug hole of wheel hub from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in the tyre building mould afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity and wheel hub, the inner tube of a tyre material; After solidifying, tyre building in the locating slot of the outer ring of wheel hub and be coated on the periphery of the inner tube of a tyre, obtains multi-density solid tyre wheels after the demoulding.
After adopting such scheme, the present invention has following advantage:
1. during the moulding cover tire, also to be fixed in simultaneously in mould wheel hub, cover tire will be directly molded on wheel hub like this, and be coated on simultaneously outside the inner tube of a tyre, therefore can not go out phenomenon traditional fabrication method such, the phenomenon that the tire that causes because of later stage assembling tire and wheel hub or wheel hub are out of shape, and then the outer ring circularity of tire can guarantee, the result of use of wheel is better, and can increase the service life.Nor can be because of the not good knocking over that causes of dimensional fits, habitual abortion phenomenon.
2. owing to being first moulding inner tube of a tyre reshaping cover tire, so manufacture craft is relatively simple.
3. because wheel hub when the moulding cover tire also will be fixed in the tyre building mould, therefore can be by the fixing inner tube of a tyre of wheel hub, and that the inner tube of a tyre is relatively only located in the location of wheel hub is simply too much, and need not the later stage location structure is processed, so manufacture craft is comparatively easy.
4. the inner tube of a tyre can be by repeatedly pouring into and control the amount of each pouring material, coordinate simultaneously rotary centrifugal force, can mold multilayer along the radially-arranged inner tube of a tyre of tire, make the moulding of multilayer inner tube structure become possibility, and the inner tube of a tyre of multilayer adds tyre structure, can by selecting the material of different soft and hard degree, make whole tire have multiple performance.
Description of drawings
Fig. 1 is the structural representation of single density solid tyre;
Fig. 2 is the structural representation of dual density solid tyre;
Fig. 3 is the structural representation of triple density solid tyre;
Fig. 4 is the fabrication processing figure of dual density solid tyre wheels of the present invention;
Fig. 5 is the inner tube of a tyre mould schematic diagram of manufacture craft shown in Figure 4;
Fig. 6 is the inner tube of a tyre mould matched moulds forming process schematic diagram of manufacture craft shown in Figure 4;
Fig. 7 is the cutaway view after the inner tube of a tyre mould matched moulds of manufacture craft shown in Figure 4;
Fig. 8 is the inner tube structure schematic diagram after the manufacture craft inner tube of a tyre shown in Figure 4 moulding;
Fig. 9 is the structural representation before the manufacture craft inner tube of a tyre shown in Figure 4 and wheel hub assembling;
Figure 10 is the structural representation after the manufacture craft inner tube of a tyre shown in Figure 4 and wheel hub assembling;
Figure 11 is the structure cutaway view after the manufacture craft inner tube of a tyre shown in Figure 4 and wheel hub assembling;
Figure 12 is the structural representation of the manufacture craft inner tube of a tyre shown in Figure 4 when adding wheel hub and being positioned over the tyre building mould;
Figure 13 is the tyre building mould matched moulds forming process schematic diagram of manufacture craft shown in Figure 4;
Figure 14 is the cutaway view after the tyre building mould matched moulds moulding of manufacture craft shown in Figure 4;
Figure 15 is the cutaway view of manufacture craft tyre building shown in Figure 4 wheels outside the inner tube of a tyre and wheel hub;
Figure 16 is the structural representation of manufacture craft tyre building shown in Figure 4 wheels outside the inner tube of a tyre and wheel hub;
Figure 17 is the fabrication processing figure of triple density solid tyre wheels of the present invention;
Figure 18 is the inner tube of a tyre mould schematic diagram of manufacture craft shown in Figure 16;
Figure 19 is form process schematic diagram of inner tube of a tyre mould matched moulds of manufacture craft shown in Figure 16;
Figure 20 is the cutaway view of a form after the inner tube of a tyre mould matched moulds of manufacture craft shown in Figure 16;
Figure 21 is the inner tube of a tyre mould matched moulds secondary pouring forming process schematic diagram of manufacture craft shown in Figure 16;
Figure 22 is the cutaway view of secondary pouring moulding after the inner tube of a tyre mould matched moulds of manufacture craft shown in Figure 16;
Figure 23 is the inner tube structure schematic diagram after the manufacture craft inner tube of a tyre shown in Figure 16 moulding;
Figure 24 is the structural representation before the manufacture craft inner tube of a tyre shown in Figure 16 and wheel hub assembling;
Figure 25 is the structural representation after the manufacture craft inner tube of a tyre shown in Figure 16 and wheel hub assembling;
Figure 26 is the structure cutaway view after the manufacture craft inner tube of a tyre shown in Figure 16 and wheel hub assembling;
Figure 27 is the structural representation of the manufacture craft inner tube of a tyre shown in Figure 16 when adding wheel hub and being positioned over the tyre building mould;
Figure 28 is the tyre building mould matched moulds forming process schematic diagram of manufacture craft shown in Figure 16;
Figure 29 is the cutaway view after the tyre building mould matched moulds of manufacture craft shown in Figure 16;
Figure 30 is the cutaway view of manufacture craft tyre building shown in Figure 16 wheels outside the inner tube of a tyre and wheel hub;
Figure 31 is the structural representation of manufacture craft tyre building shown in Figure 16 wheels outside the inner tube of a tyre and wheel hub.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
To shown in Figure 16, be the first preferred embodiment of the present invention as Fig. 4, the present embodiment has disclosed a kind of manufacture craft of dual density solid tyre wheels, and this manufacture craft comprises following technological process:
(1) the moulding inner tube of a tyre:
Inner tube of a tyre liquid material is poured in inner tube of a tyre mould 1, and the cast passage 11 of this inner tube of a tyre mould 1 enters die cavity 12 from the middle part of its patrix to relative inner tube of a tyre inner ring surface; High speed rotating mould and foamable, make material evenly fill up described die cavity simultaneously; After curing molding, the demoulding obtains the inner tube of a tyre 2.
(2) inner tube of a tyre and wheel hub combination:
The inner tube of a tyre 2 of institute's moulding is assembled in the outer ring locating slot 31 of wheel hub 3 by special use dress tire tool (not shown), and this special use dress tire tool is existing equipment, is used for tire is pressed on the outer ring locating slot of wheel hub; Be provided with location structure 32 in order to the described inner tube of a tyre 2 is positioned at the middle position of outer ring locating slot 31 in the outer ring of described wheel hub 3 locating slot 31; In addition, the hub circle sidewall at described wheel hub 3 has plug hole 33.
(3) moulding cover tire:
The above-mentioned inner tube of a tyre 2 and the assembly of wheel hub 3 are placed and are fixed in tyre building mould 4, and the cast passage of this tyre building mould 4 leads to the plug hole 33 of wheel hub 3 from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in tyre building mould 4 afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity 41 and wheel hub 3, the inner tube of a tyre 2 material; After solidifying, cover tire 5 takes shape in the outer ring locating slot 31 of wheel hub 3 and is coated on the periphery of the inner tube of a tyre 2, obtains dual density solid tyre wheels after the demoulding.
Figure 17 to shown in Figure 31, is the first preferred embodiment of the present invention for another example, and the present embodiment has disclosed a kind of manufacture craft of dual density solid tyre wheels, and this manufacture craft comprises following technological process:
(1) the moulding inner tube of a tyre:
(a) form outside inner tube of a tyre:
The liquid material of the outside inner tube of a tyre is poured in inner tube of a tyre mould 1, and the cast passage 11 of this inner tube of a tyre mould 1 enters die cavity 12 from the middle part of its patrix to relative inner tube of a tyre inner ring surface equally; While high speed rotating mould and foamable, the amount of the material of control perfusion makes material only be filled in the outside of die cavity 12 under centrifugal action, forms the outside inner tube of a tyre 21;
(b) the inboard inner tube of a tyre of secondary pouring moulding:
After the material scheduled volume of the outside inner tube of a tyre has been annotated, liquid material with the inboard inner tube of a tyre is poured in inner tube of a tyre mould 1 again, same high speed rotating mould and foamable, the remaining space that makes material fill up described die cavity 12 obtains the inboard inner tube of a tyre 22, obtains Double-layer inner-tube 2 after curing molding.
(2) inner tube of a tyre and wheel hub combination:
The inner tube of a tyre 2 of institute's moulding is assembled in the outer ring locating slot 31 of wheel hub 3 by special use dress tire tool (not shown), and this tire tool tool is existing equipment, is used for tire is pressed on the outer ring locating slot of wheel hub; Be provided with location structure 32 in order to the described inner tube of a tyre 2 is positioned at the middle position of outer ring locating slot 31 in the outer ring of described wheel hub 3 locating slot 31; In addition, the hub circle sidewall at described wheel hub 3 has plug hole 33.
(3) moulding cover tire:
The above-mentioned inner tube of a tyre 2 and the assembly of wheel hub 3 are placed and are fixed in tyre building mould 4, and the cast passage of this tyre building mould 4 leads to the plug hole 33 of wheel hub 3 from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in tyre building mould 4 afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity 41 and wheel hub 3, the inner tube of a tyre 2 material; After solidifying, cover tire 5 takes shape in the outer ring locating slot 31 of wheel hub 3 and is coated on the periphery of the inner tube of a tyre 2, obtains triple density solid tyre wheels after the demoulding.
Need to prove, when inner tube of a tyre moulding, also can pour into repeatedly, the material of each perfusion is selected as required, and can mold multilayer along the radially-arranged inner tube of a tyre of tire by controlling each groundwater increment, thereby obtains the multilayer inner tube structure.
The above is only preferred embodiment of the present invention, is not to limit scope of the invention process.Therefore variation or the modification in every case done according to claim of the present invention and specification are within all should belonging to the scope that patent of the present invention contains.
Claims (3)
1. the manufacture craft of dual density solid tyre wheels is characterized in that comprising following technological process:
(1) the moulding inner tube of a tyre:
Inner tube of a tyre liquid material is poured in inner tube of a tyre mould, and high speed rotating mould and foamable, make material evenly fill up the die cavity of inner tube of a tyre mould simultaneously, and after curing molding, the demoulding obtains the inner tube of a tyre; The cast passage of this inner tube of a tyre mould enters described die cavity from the middle part of its patrix to relative inner tube of a tyre inner ring surface;
(2) inner tube of a tyre and wheel hub combination:
The inner tube of a tyre of institute's moulding is assembled in by special use dress tire tool in the locating slot of outer ring of wheel hub, is provided with location structure in order to the described inner tube of a tyre is positioned at the middle position of outer ring locating slot in the locating slot of the outer ring of described wheel hub; The hub circle sidewall of this wheel hub also has plug hole;
(3) moulding cover tire:
The assembly of the above-mentioned inner tube of a tyre and wheel hub is placed and is fixed in the tyre building mould, and the cast passage of this tyre building mould leads to the plug hole of wheel hub from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in the tyre building mould afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity and wheel hub, the inner tube of a tyre material; After solidifying, tyre building in the locating slot of the outer ring of wheel hub and be coated on the periphery of the inner tube of a tyre, obtains dual density solid tyre wheels after the demoulding.
2. the manufacture craft of multi-density solid tyre wheels is characterized in that comprising following technological process:
(1) the moulding inner tube of a tyre:
Two or more inner tube of a tyre liquid material gradation is poured in inner tube of a tyre mould, and the amount of the material of the each perfusion of control, high speed rotating mould and foamable, can mold multilayer along the radially-arranged inner tube of a tyre of tire, thereby obtain the multilayer inner tube structure simultaneously; The cast passage of this inner tube of a tyre mould enters described die cavity from the middle part of its patrix to relative inner tube of a tyre inner ring surface;
(2) inner tube of a tyre and wheel hub combination:
The multilayer inner tube of a tyre of institute's moulding is assembled in the outer ring locating slot of wheel hub by special use dress tire tool, is provided with location structure in order to the described inner tube of a tyre is positioned at the middle position of outer ring locating slot in the locating slot of the outer ring of described wheel hub; The hub circle sidewall of this wheel hub also has plug hole;
(3) moulding cover tire:
The assembly of the above-mentioned multilayer inner tube of a tyre and wheel hub is placed and is fixed in the tyre building mould, and the cast passage of this tyre building mould leads to the plug hole of wheel hub from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in the tyre building mould afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity and wheel hub, the inner tube of a tyre material; After solidifying, tyre building in the locating slot of the outer ring of wheel hub and be coated on the periphery of the inner tube of a tyre, obtains multi-density solid tyre wheels after the demoulding.
3. the manufacture craft of multi-density solid tyre wheels is characterized in that comprising following technological process:
(1) the moulding inner tube of a tyre:
(a) form outside inner tube of a tyre:
The liquid material of the outside inner tube of a tyre is poured in inner tube of a tyre mould, while high speed rotating mould and foamable, the amount of the material of control perfusion makes material only be filled in the outside of the die cavity of inner tube of a tyre mould under centrifugal action, forms the outside inner tube of a tyre; The cast passage of this inner tube of a tyre mould enters described die cavity from the middle part of its patrix to relative inner tube of a tyre inner ring surface;
(b) the inboard inner tube of a tyre of secondary pouring moulding:
After the material scheduled volume of the outside inner tube of a tyre has been annotated, liquid material with the inboard inner tube of a tyre is poured in inner tube of a tyre mould again, same high speed rotating mould and foamable, the remaining space that makes material fill up described die cavity obtains the inboard inner tube of a tyre, obtains Double-layer inner-tube after curing molding;
(2) inner tube of a tyre and wheel hub combination:
The Double-layer inner-tube of institute's moulding is assembled in the outer ring locating slot of wheel hub by special use dress tire tool, is provided with location structure in order to the described inner tube of a tyre is positioned at the middle position of outer ring locating slot in the locating slot of the outer ring of described wheel hub; The hub circle sidewall of this wheel hub also has plug hole;
(3) moulding cover tire:
The assembly of the above-mentioned multilayer inner tube of a tyre and wheel hub is placed and is fixed in the tyre building mould, and the cast passage of this tyre building mould leads to the plug hole of wheel hub from the middle part of its patrix; Matched moulds and the cover tire liquid material is poured in the tyre building mould afterwards, high speed rotating mould and foamable simultaneously fill up in cavity between cover tire die cavity and wheel hub, the inner tube of a tyre material; After solidifying, tyre building in the locating slot of the outer ring of wheel hub and be coated on the periphery of the inner tube of a tyre, obtains multi-density solid tyre wheels after the demoulding.
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| CN201310028395.1A CN103085300B (en) | 2013-01-25 | 2013-01-25 | The manufacture craft of dual density/multi-density solid tyre wheels |
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| CN201310028395.1A CN103085300B (en) | 2013-01-25 | 2013-01-25 | The manufacture craft of dual density/multi-density solid tyre wheels |
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| CN103085300B CN103085300B (en) | 2015-11-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106114065A (en) * | 2016-08-04 | 2016-11-16 | 东莞杰美塑胶五金有限公司 | A kind of mixed foaming body tire and production mould, production method |
| CN111619289A (en) * | 2020-06-04 | 2020-09-04 | 孙智勇 | Parcel type PU dual density tire |
| CN113172818A (en) * | 2021-04-26 | 2021-07-27 | 龙岩市厦源工贸有限公司 | Equipment and method for integrally pouring PU (polyurethane) to fill solid wheel |
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