CN101090812A - Improved method and apparatus for forming a core of plies, belts and beads and for positiming the core in a mold for forming and elastomeric tire - Google Patents
Improved method and apparatus for forming a core of plies, belts and beads and for positiming the core in a mold for forming and elastomeric tire Download PDFInfo
- Publication number
- CN101090812A CN101090812A CNA2005800125523A CN200580012552A CN101090812A CN 101090812 A CN101090812 A CN 101090812A CN A2005800125523 A CNA2005800125523 A CN A2005800125523A CN 200580012552 A CN200580012552 A CN 200580012552A CN 101090812 A CN101090812 A CN 101090812A
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- China
- Prior art keywords
- axle
- band bundle
- core
- casing ply
- tire
- Prior art date
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Links
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 239000006260 foam Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 38
- 238000005266 casting Methods 0.000 claims description 16
- 238000009954 braiding Methods 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
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- 239000000806 elastomer Substances 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 8
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- 229920000271 Kevlar® Polymers 0.000 description 6
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- 241000239290 Araneae Species 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
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- 239000004821 Contact adhesive Substances 0.000 description 1
- 238000005473 Guinier-Preston zone Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A method and apparatus for forming a core of plies, belts and beads and for positioning the core in a mold for forming an elastomeric tire. The core is built up on a mandrel of the inner mold that is formed from hard foam core segments positioned between top and bottom hub plates, around a center hub that includes flow passages formed therethrough and through the hub plates. Plies for building the core are formed as a woven sleeve for passage along an expander cone and over the mandrel whereon a separator has been positioned, and a bead is passed over each sleeve end that receives a bead centering plate fitted through the sleeve, capturing the bead and positioning it on the mandrel side and provides for folding the plies en d over the bead and up each mandrel side. Similarly, a belt or belts, formed as a weave of belt cords, is passed along an expander cone and onto the mandrel crown, with separators positioned between the mandrel, plies and belt or belts, and above a final belt, and a tire core is wound around the crown, from one side to the other.
Description
Technical field
The core that the present invention relates to be used to form band bundle, casing ply and tyre bead to place rotary casting (spin casting) thus mould is to receive the method and apparatus that forms transport tire through flow of elastomeric materials wherein.
Background technology
The present invention is that a kind of novelty and unique automated process or technology and equipment form the core of being with bundle, casing ply and tyre bead fast, manual operation that need be minimum and cord is positioned in the rotary casting mould with the formation elastic tyre.Band bundle and casing ply are assembled on the mandrel segment of the external mold on it to be assembled to respectively to receive in the internal mold by the sleeve pipe that weaving method is pre-formed to opening.Core forms with multilayer form and have liner or separate layer between mould, casing ply and band bundle or multi-ribbon bundle, and after on internal mold, forming, core remains on the mould annular space of assembling to be encapsulated in the tire, and tire forms and is preferably formed in the rotary casting process by elastomeric material.
Core of the present invention is that substep forms, and comprises that at first on the mandrel segment of internal mold location is by the porous material separate layer that becomes of velveteen the form of the foetus for example.The bizet that continuous then separate layer, casing ply, separate layer, band bundle, separate layer and final tyre cord layer center on internal mold assembles, be clipped in the middle each other, and casing ply and band bundle or multi-ribbon bundle preferred arrangements are the braiding sleeve, and the wired tube wound packages fits on the bizet and tyre bead is assembled to the core side and receive the plies cords ends that folds around it.Then, internal mold is attached on the external mold, and the mould of finishing is provided, and this mould comprises and will receive the core of flow of elastomeric materials.Elastomeric material flows and passes separate layer or liner, with each casing ply and band bundle or multi-ribbon bundle, with the fibre fusion of casing ply, provide casing ply, tyre bead and band bundle or multi-ribbon bundle optimal spacing distance in the inside tires of finishing with the cord of band bundle or multi-ribbon bundle.Flow of elastomeric materials comprises the composition chemicals of combination and reaction, and the exothermic reaction that generates heat when the tire that formation is finished is provided.Wherein, up to now in tire process early, the staff need locate continuously and uses adhesive that the layer of raw rubber and fabric and steel band bundle is bonded together around axle, from inside to outside constructs tire.This process is included in the sidewall end encapsulated beads, heats under heat and pressure in mould then or the sulfuration assembly, forms tire.In addition, though in some prior aries, shown the effort that utilizes the elastomeric compounds moulding tire that is different from rubber, but do not propose to utilize the casing ply and the band bundle structure casing ply of preformed sleeve separately or tubular sections as the present invention, the tire core of band bundle and tyre bead, wherein casing ply and band bundle be forms by weaving method by staple fibre or cotton cord and be provided on the tire axle, spurring continuously successful liner, casing ply and belt, core is formed the separate layer or the liner of multilayer, casing ply and band bundle, and plies cords ends is folding around tyre bead, receive the tyre cord that twines around the core excircle then, thereby finish core.
This example that does not relate to the early stage patent of putting into practice above-mentioned steps of the present invention and equipment is disclosed in the following patent: the U.S. Patent No. 2,476,884 of authorizing Maynard; Authorize people's such as Cadwell No.2,873,790 and authorize people's such as Cesar No.4,476,908; With the BP No.1 that authorizes people such as Merriman, 246,471.Before method of the present invention, one of inventor of the present invention is the inventor who makes the U.S. Patent application of the tire core packing of using in " Tire with Belts; plies and Beads and Process of TireManufacture ", the sequence number of this application is 10/143,678, be filed on May 13rd, 2002, current unsettled, and this application provides a kind of method, it utilizes the casing ply that forms and is with the elastomer that solidifies in advance that sandwiches between the layer of bundle to be assembled in the mould above axle, thereby utilizes the rotary casting method to form tire.Equally, one of inventor of the application is that the sequence number of the distribution submitted on May 28th, 2004 is unique inventor of 10/856652 U.S. Patent application " Elastomeric Tire With Arch ShapedShoulders ".In addition, the present invention still in the recent period submits further developing of the U.S. Patent application that is entitled as " Method andApparatus for Forming a Core of Plies, Belts and Beads and ForPositioning the Core in a Mold For Forming an Elastomeric Tire andthe Formed Elastomeric Tire " that has been assigned with sequence number 10/860997 that the inventor submits on June 4th, 2004 to.
The present invention solely has plenty of separately forming of flexible cylindrical casing ply and band collar tube, casing ply and band collar tube all are fabrics of casing ply and band bundle cord, and sleeve preferably comprises the strand that is woven into the elastomeric material in the sleeve respectively, and this allows sleeve to expand when its frustum from the minor diameter cone end to large-diameter end spurs and shrinks closely to be coupled on the axle bizet.Cone or a plurality of cone that the present invention uses can be different cones, their change into bigger diameter end continuously according to the sleeve of pulling above it or casing ply or band bundle or multi-ribbon bundle, perhaps can have identical cone with sleeve, described sleeve has and expands with pulling above it fully and shrink performance with the combination that closely cooperates above the axle bizet.In fact, the justified margin of cone large-diameter end and axle, the edge of axle is the shape of tire inner surface, it has the separate layer of assembling thereon, and separate layer cover cap axle bizet to be receiving assembling sleeve or casing ply, band bundle or multi-ribbon bundle thereon subsequently, and liner or separate layer are assemblied in wherein.In fact, the landing and transferring on the axle bizet on the cone of the sleeve of casing ply, band bundle or multi-ribbon bundle, they shrink with the combination that closely cooperates herein, form multilayer separate layer or liner, casing ply and band bundle or multi-ribbon bundle, and the coiling that its core piles up by tyre cord covers.Plies ends hangs down from the axle side and is assembled to the tyre bead of each core side with reception, and plies ends is folding around the core side.
The method of putting into practice equipment of the present invention provides approximate automatic system to form the core of casing ply, tyre bead and band bundle, this core is encapsulated in the tire that is formed by the rotary casting method, and to the main improvement that tire forms be as first kind of high-efficiency method come from elastomer particularly polyurethane make the transport tire of balance.
Summary of the invention
Main purpose of the present invention provides the method and apparatus of the core that forms casing ply, band bundle and tyre bead, and casing ply and band bundle are separated by the porous liner and the tyre bead of the appropriate location that remains on plies sides, and the core of casing ply, band bundle and tyre bead will be encapsulated in the elastic tyre that forms by the rotary casting method, and casing ply, band bundle and the best orientation of tyre bead in the tire of finishing are provided.
Another object of the present invention provides the method and apparatus that is used to make elastic tyre; and casing ply; the core of band bundle and tyre bead is encapsulated in the elastic tyre in the rotary casting process; casing ply wherein; band bundle and tyre bead are based upon on the internal mold or axle surface with tire inner surface shape; wherein core forms and realizes with semi-automatic process by sleeve; sleeve forms for the braiding cord; the braiding cord forms stretching or is formed into the casing ply on the axle bizet and is with bundle; a kind of multiple-level stack is provided; the separate layer and the tyre bead that wherein have porous navigate on the casing ply sidewall; and wherein plies ends is folding and around tyre bead; formation is coated with the core of tyre cord; and external mold is assembled on it; casing ply wherein; the core of band bundle and tyre bead places the mould annular section to receive the hydroelasticity material stream through it when mould rotates; the tire that is formed by rotary casting is provided, and has encapsulated casing ply in the tire; the core of band bundle and tyre bead.
Another object of the present invention provides the method and apparatus that utilizes elastomer to make elastic tyre, encapsulated the core of casing ply, band bundle and tyre bead in the elastic tyre, and elastomer is the isocyanates chosen and the mixture of polyol, isocyanates combines with polyol and can compare with traditional transport tire with the physical property that has when solidifying, and these traditional transport tire designs are used for bearing the load similar to the tire that practice generated of method of the present invention.
Another object of the present invention provides a kind of method, wherein casing ply and band bundle form by casing ply is woven into each cylindrical sleeve with band bundle cord, these cylindrical sleeves are used for being assemblied in the internal mold of the shape with tire inner surface nestablely, form a multiple-level stack, this multiple-level stack has between the internal mold of leaving in and the casing ply, between every layer of casing ply and the band bundle and the porous separate layer of last band Shu Shangfang, and the top portion interlayer receives the coiling of tyre cord then, and in the pair of bead each has set guide arrangement, this guider navigates to each tyre bead on the side of casing ply and provides and is used for plies cords ends is folded over and with plies cords ends in the tyre bead upper fixed together at tyre bead.
Another object of the present invention provides the method and apparatus that is used to form elastic tyre, wherein, when forming core, plies cords ends is folding around the tire bead that remains on the appropriate location, and plies cords ends retreats on the plies cords mid portion glossily and maintenance is in position to receive flow of elastomeric materials in the rotary casting process there, and this flow of elastomeric materials is encapsulated in the optimum position in the moulding of tyres with core and the almost completely tire of finishing of balance is provided.
Another object of the present invention provides sleeve as casing ply and band bundle or multi-ribbon bundle by staple fibre or the braiding of cotton cord, in fabric, comprise elasticity or half flexible cord, these cords allow sleeve to expand when they spur above the tire axle, and when expansive force removes, will withdraw with on the layer that closely is assembled to the casing ply, separate layer and the band bundle that have been applied on the internal mold on the internal mold.
Another object of the present invention provides and is used to expand casing ply and band collar cylinder device; elongated frustum has large-diameter end; this large-diameter end closely is assemblied on the side of tire internal mold or the axle side at internal mold center; and be received in each casing ply and band bundle or the multi-ribbon collar tube that spur on the elongated frustum small-diameter end portions; sleeve can expand when it spurs above large-diameter end, and can withdraw closely to be assembled on tire internal mold or the axle bizet when discharging.
Another object of the present invention provides a kind of equipment, and this equipment is used for when core forms it being spent to another tire side by 180 from a tire side-pivoting, thereby tyre bead is installed on the plies sides.
Another object of the present invention provides a kind of equipment, and this equipment self promotes they against them in plies ends above around they folding of tyre bead ground, and is used to make plies cords and plies cords ends to be bonded to each other;
Another object of the present invention is by folding retainer belt Shu Dingwei and retainer belt bundle side and separate layer or pad side below casing ply.
Thereby another object of the present invention provides around top band Shu Yuanzhou and twines the method that tyre cord is finished the core of casing ply, band bundle and tyre bead, and wherein tyre cord is preferably the Kevlar cord.
The present invention is the semi-automatic method and the equipment of the tire core of formation casing ply, band bundle and tyre bead, this tire core is placed on the mandrel segment of internal mold, in the time of on being connected to exterior mold parts, center annular cavity is provided, this center annular cavity is opened to receive hydroelasticity material stream, the hydroelasticity material is to produce in the mixing of isocyanates and polyol, the hydroelasticity material enters mould when rotating, fill toroidal cavity and form elastic tyre and wherein be packaged with the core of casing ply, band bundle and tyre bead.Be used to put into practice this method mould can but needn't be furnished with and be similar to U.S. Patent No. 4,855,096 and 4,943,323; The rotary casting equipment that proposes in 5,906,836 and 6,165,397, and one of inventor of the present invention is foregoing invention and improved common inventor thereof.The invention provides making of internal mold and be used for forming tire core, inner mold has mandrel segment, is casing ply, band bundle and the tyre bead and the combination thereof of Guinier-Preston zone on it.Then, internal mold receives the external mold be assembled on it, and core occupies the annular section of the mould of finishing, and this part is used to receive flow of elastomeric materials, this elastomeric material forms in single forming operation by rotary casting, and the elastic tyre of finishing is complete equipilibrium basically.
Method of the present invention preferably realizes on internal mold, this internal mold is tightened in together by the internal mold parts, the internal mold parts comprise: top and bottom wheel hub, manifold and be assembled into hard core segment in the internal mold, and hard core segment is served as axle, axle has the shape of tire inner wall, and the surface that is used to construct tire core is provided.Internal mold is preferably mounted on the transfer arm, and transfer arm can pivot by 180 degree, and the permission operator operates on two sides of internal mold and internal mold is in level.In first embodiment, sleeve is formed by the fabric of plies cords, and this fabric comprises elastic cord or the strand that is woven in wherein.When arranging like this, diverging cone is that frustum is positioned to side and the registration with the internal mold side, and the internal mold side has held the cushioning material layer around axle.Near the velveteen tire that twines liner or separate layer material are preferably, and plies sleeve spurs above diverging cone equipment and is being drawn on the internal mold on the spacing material.Plies sleeve is chopped to wherein plies cords sagging identical distance on the internal mold side, and the inner mold mandrel of casing ply top is wound with liner along circumference, and liner is preferably two-layer velveteen tire section.Nonelastic tyre bead slides above each plies sleeve end and mould central plate edge blocks tyre bead and it is moved to appropriate location on the internal mold facing to casing ply.The plies cords that hangs around tyre bead folding and tyre bead fold over they from one's body.Preferably, applying that tyre bead and plies cords are folding is to use the tyre bead centering plate to realize, the tyre bead centering plate also comprises the bladder equipment of expansion, bladder equipment skims over plies cords across tyre bead folded ply cord and facing to their mid portion after tyre bead suitably places on the plies cords side.For example pre-cure elastomer is applied on the plies cords of contact adhesive and bladder is deflated and promote all air to catch in the coating that squeezes out adhesive facing to it.
Be wound with spacing material on the internal mold, having the casing ply that is assembled to the tyre bead on the casing ply and folding on the tyre bead and be bonded to the layer of the plies ends on the plies sides, width is approximately second section velveteen tyre bead circumference of eight inches and is assembled on the bizet of internal mold.Afterwards, for this embodiment, diverging cone equipment is ressembled the side of internal mold, and is formed by weaving method and the band collar tube that comprises elasticity strand or cord spurs and crosses diverging cone to extend across inner mold circumference by band bundle cord.Sleeve has the arbitrary suitable length that extends across bizet, perhaps cuts into a certain width with the cover cap bizet.Cotton liner or separate layer edge are folding downwards, partly cross casing ply, and band Shu Shouxian reception separate layer, separate layer is preferably the velveteen tire section of two casing plies, velveteen tyre bead circumference is finished the core manufacturing around the band Shu Yuanzhou tyre cord volume that cover cap then reels of reeling.Band bundle braiding is formed centrally about 24 angles of spending to the cord of the cord infall of two band bundle parts wherein and each part and core circumference.In addition, if necessary, can assemble more than one band bundle around the internal mold with laying, laying is preferably the velveteen tire section of two casing plies, and is positioned between each band bundle.
As second embodiment, be positioned on the internal mold and after tyre bead has been applied to plies sides at casing ply, and plies ends folds into them from one's body and after fixing, internal mold can receive each in a pair of gear plate, gear plate is assembled on the internal mold side, and the alignment of the tooth of gear plate.When arranging like this, be wrapped between the tooth before and after the band bundle cord, tooth is offset this belt transect bundle cord just forms about 24 degree with inner mold circumference angle, thereby forms band bundle part.When the second band bundle part forming on another like that as described, only the cord of band bundle part intersects, and each cord approximately becomes 24 angles of spending with inner mold circumference.When arranging like this, single band bundle can form around inner mold circumference, perhaps, wherein a plurality of band bundles partly form by the halved belt bundle, the separate layer that is preferably the velveteen tire of two casing plies is assemblied between each band bundle, and width is approximately two casing plies of eight inches or velveteen plies section is assembled on the band bundle of top and the velveteen tire partly receives the coiling of tyre cord, finishes core.
As mentioned above, the present invention includes and apply diverging cone the braiding sleeve of plies cords is positioned at internal mold top by the separate layer cover cap.Afterwards, plies sleeve keeps in position, and is cut into the cord that keeps equal length, and these cords extend downwards from each internal mold side and diverging cone is pulled out from sleeve.Sleeve shrinks then with fluid-tight engagement above the inner mold mandrel part.Plies ends hangs down from the side of internal mold.Similarly, wherein band bundle or multi-ribbon bundle form the braiding sleeve of band bundle cord, and the band bundle is crossed the diverging cone pulling, and the diverging cone flexibility arrives opposed edges to cross velveteen tire separate layer.At this, if sleeve is not cut into the width of expectation in advance, sleeve be cut then with contiguous internal mold justified margin, and relative sleeve edges keeps in position when diverging cone is removed, and allows the tube contraction of band collar and closely is assembled on the velveteen tire separate layer.
After the core assembling of casing ply, band bundle and tyre bead and tyre cord twined around circumference, external mold was assembled on the internal mold, and formed core occupies and finishes the mould annular region.Afterwards, flow of elastomeric materials imports when it rotates with the speed between 250 to 700 r.p.m. in the mould, forms the transport tire of balance, and transport tire comprises the core of casing ply, band bundle and tyre bead, and core is removed from mould after cooling.
Description of drawings
The present invention can take the physical form of specific component and part configuration, is used to put into practice the step of the present invention and preferred embodiment, and wherein, the present invention and preferred embodiment will be described in detail in specification and be presented at and form in its a part of accompanying drawing.
Fig. 1 has shown the decomposition diagram of observing from bottom hub plate top, and manifold is equipped with the column that screws in the bottom hub plate herein, is formed for putting into practice the internal mold in the equipment of the present invention used in the method for the present invention;
Fig. 2 A has shown that the internal mold parts among Fig. 1 receive a pair of hard foam core section that is assemblied on the column;
Fig. 2 B has shown that all the hard foam core sections except a pair of hard foam core section are assembled on the wheel hub of bottom as axle;
Fig. 3 A has shown that assembling and the top hub plate of finishing the hard foam core section are assembled to hard foam core section top;
Fig. 3 B has shown the top hub plate that tightens to manifold top;
Fig. 4 A has shown that the hard core assembly among Fig. 3 has been installed on the axle, this axle is assembled on the pivotal arm, and hard core assembly is shown as and has rotated 90 degree, shown that diverging cone aligns with the side of hard core assembly, and shown align with diverging cone by the sleeve of plies cords braiding with on the small end that is assembled to diverging cone;
Fig. 4 B has shown the top plan sectional view of cutting open along the line 4B-4B among Fig. 4 A when seeing the hard foam core assembly down, and the diverging cone large-diameter end slides into the center of hard core assembly along diverging cone, shown plies sleeve be aligned with on the small-diameter end portions that is assemblied in diverging cone and the pair of bead centering plate align with relative hard core assembly side;
Fig. 4 C is and view like Fig. 4 category-B, and difference is that plies sleeve end has been stretched over and surpasses hard core assembly, and the center-aligned of tyre bead centering plate and relative hard core assembly side;
Fig. 4 D is and the similar view of Fig. 4 C, difference is that diverging cone has been removed and the left-hand bead centering plate is assembled in the plies sleeve after nonelastic tyre bead is assembled on the sleeve ends, and tyre bead is shown as by tyre bead centering plate edge and is positioned at hard core assembly left side;
Fig. 4 E is and the similar view of Fig. 4 D, difference is that the tyre bead centering plate has all assembled by plies sleeve end and assembling tyre bead thereon, and the right side casing ply is shown as folding and across hard core assembly circumferential registration around tyre bead, and has shown left side sleeve folding across hard core assembly circumference with arrow A;
Fig. 4 F is and the similar view of Fig. 4 E, only shown that plies cords ends is folding across hard core assembly circumference, casing ply core end, plies cords ends cover cap right side, left side, and shown that the tyre bead centering plate is removed, as shown by arrow B;
Fig. 5 A is and the similar view of Fig. 4 D, only shown a pair ofly to be used for the bladder and the hard plate assemblies of tyre bead centering and to be positioned to plies cords with the end part aligning of plies sleeve;
Fig. 5 B is and view like Fig. 5 category-A, left bladder and hard plate assemblies have only been shown, this assembly is preferably the tyre bead centering plate, entered the plies cords sleeve ends and arrived wherein hardboard and the contacts side surfaces place of core assembly firmly, and shown that tyre bead is kept by the hardboard edge that is resisted against on the hard core assembly left side;
Fig. 5 C is and view like Fig. 5 category-B, also demonstration place right bladder and hardboard be assembled in the plies cords sleeve ends, and shown that tyre bead is kept by the hardboard edge that is resisted against hard core assembly right side;
Fig. 5 D is and the similar view of Fig. 5 C only to have shown the stripper plate with the left bladder engages that expands;
Fig. 5 E is and the similar view of Fig. 5 D, only shown that stripper plate has been pushed on the bladder of expansion when air is removed from bladder with controlled speed, cause bladder with plies cords above the tyre bead and folding on the left side of hard core assembly;
Fig. 5 F is and the similar view of Fig. 5 E, only shown that stripper plate has been pressed in the limit place that moves to its stroke on the bladder of having exitted, thereby extends bladder around hard core assembly shoulder, and plies cords is shifted onto before the bladder surface;
Fig. 6 A has shown and top plan view like Fig. 4 category-B, difference is, diverging cone is shown as and is assembled on the hard core assembly, and assembled casing ply and tyre bead on the hard core assembly, and applied separate layer, and this separate layer is one deck velveteen tire, and is shown as the fabric that band collar tubular becomes the transposition section of the band bundle cord that aligns with the small end of diverging cone, and the use arrow E has shown the band collar tube that moves on the expansion core;
Fig. 6 B has shown that hard core assembly and plies ends extend on the hard core assembly side, and gasket arrangement is between casing ply and band bundle, and the final layer of tyre cord twines bizet;
Fig. 7 A has shown and has been used for but band is restrainted the arrangement that is formed on the inner mold circumference of casing ply top, it comprises a pair of gear plate, each gear plate all is installed on the side of hard core assembly, and shown, braid over braid in advance on circumference is intrafascicular, and bundle is with in one section velveteen tire conduct around the bizet assembling continuously;
Fig. 7 B has shown and view like Fig. 7 category-A, the spool that has shown band bundle cord, and band bundle cord is shown as front and back across twining and around each gear plate profile of tooth lopping, forming band bundle part, wherein is with bundle cord and the center line around the axle circumference to form the angle of 24 degree;
Fig. 7 C has shown and view like Fig. 7 category-B that two band bundle parts have been wrapped between the gear plate tooth, and each part and axle center line form the angle of 24 degree, and two band bundle parts form single band bundle;
Fig. 7 D has shown the similar view with Fig. 7 C, and one deck velveteen tire is shown as around the core circumference and twines, and the pin of threading is shown as and passes band bundle end and separate layer is applied on the bizet when leaving the gear plate tooth;
Fig. 7 E is and the similar view of Fig. 7 D, and the pin of threading passed the band bundle circle end on two sides of bizet, and the threading end is pulled together, and will the pulling downwards of band bundle side surpasses the shoulder of bizet;
Fig. 7 F has shown the similar view with Fig. 7 E, has also shown as spool, and cord is left spool by rolling and around being twined by the bizet of the separate layer cover cap of velveteen tire;
Fig. 7 G has shown the similar view with Fig. 7 F, only twines tyre cord and comes the cover cap bizet;
Fig. 8 A has shown hard core assembly, and the tire core winding thereon, removes and navigate on the mould base from axle;
Fig. 8 B has shown one of a plurality of tread segments that are assembled together to form outside or external mold;
Fig. 8 C has shown that the tread segments of Fig. 8 B is assembled into the mould outer wall;
Fig. 8 D has shown the top board on the assembly that is installed among Fig. 8 C, and the direction of representing the mould rotation with arrow D, shown centre bore, liquid elastomer is poured in the rotary casting process via this centre bore, and shown lifting arm, described lifting arm is felt relieved, and its centre bore will be removed after mould is installed in the cast well;
Fig. 9 has shown one section side-looking view sub-anatomy by the tire of equipment of the present invention and method manufacturing;
Figure 10 has shown the assembled view of the tire of Fig. 9.
The specific embodiment
The present invention relates to form in the internal mold in the casing ply of suitably locating, band bundle and tyre bead the method and apparatus of tire core, use external mold closure internal mold, external mold will receive the hydroelasticity material stream that imports wherein, and the mould rotation is to form the rotary casting tire.Form tire 20, as shown in figure 10, tire 20 has the core 75 of the casing ply, band bundle and the tyre bead that are encapsulated in wherein, as shown in Figure 9, the tire of approximate complete equipilibrium is provided, this tire is similar to the tire that the practice in equipment of the present invention generates by method of the present invention or technology, shown in the cutaway view in Fig. 9 and 10.In order to form internal mold 30, shown in Fig. 6 B, 7G and 9, can use internal mold hub base 31a, as shown in Figure 1 to form core 75.Inner mold base 31a is shown as has the spider 32 that comprises centre bore 33, and spider 32 comprises elliptical ports 34 at interval and be upwardly stepped to continuous support 35 that column 36 is installed on the support 35 to be extended along the right angle by it.Column 36 is provided with the interval that separates, and each column includes threaded nut 37, and nut 37 is fixed on each post end 36a.Outside from column 36, hub base 31a makes progress into the step-like lip 38 that enters, and outside from lip 38, and it becomes the step-like flat portion 39 that enters downwards, and flat portion 39 extends to panel edges.As shown in fig. 1, cylindrical bosses 40 has the centre bore 42 that passes thus and the alignment of its lower end being assembled on the spider zone 32, and the location is thereon to align elliptical ports 41 at interval with the elliptical ports 34 at the interval of hub base.Cylindrical bosses 40 tightens among the screwed hole 44a that forms in the side of hub base 31a to hole 44 assembling and with bar end of thread 43a and keeps in position by bar 43 being passed lateral longitudinal.
Fig. 2 A has shown wheel hub 40, and wheel hub 40 is assembled to that internal mold hub base 31a goes up and the end of thread 43a by bar 43 is screwed among the hub base screwed hole 44a and keeps thereon, as shown in Figure 1.Fig. 2 A has shown hard foam core top section 45a of one of column 36 of receiving assembling thus respectively and the installing hole of base section 45b.In Fig. 2, except a pair of, hard foam core top section 45a and base section 45b that other are all have been assembled on the column 36, and nut 37 is shown as and is screwed on the column end of thread 36a.
Fig. 3 A has shown the top of wheel hub 40, and wherein hard foam core top section 45a and base section 45b are assembled on it, and the top of wheel hub 40 aligns with wheel hub top 31b, should be appreciated that hub base and top 31a and 31b are respectively mirror image each other.Fig. 3 B has shown the wheel hub top 31b on the top that is assembled to wheel hub 40, wheel hub 40 has the elliptical ports 41 at the interval of passing wheel hub top 31b formation, wheel hub top 31b comprises elliptical ports 47, elliptical ports 41 in elliptical ports 47 and the wheel hub 40 and the elliptical ports 34 among the hub base 31a are alignd, this just provides the flow path by assembly, and shown bolt 47, each bolt 47 all aligns and is used for being screwed into nut 37 through wheel hub top 31b.When each nut 37 is shown as on the end of thread 36a that is screwed to each column 36, just finished the assembling of internal mold 30, and the hard foam core of assembling partly serves as the axle that is used for setting up tire core thereon.
Fig. 4 A has shown internal mold 30, internal mold 30 has axle 48 parts as erected configuration of centre bore 33 installations of the alignment among the hub base of passing and top 31a and the 31b, internal mold 30 from level to this erected configuration 90 degree that pivot, and axle 48 stretches out with the right angle from pivot post 49.Pivot post 49 preferably includes pivoting articulation 50, and pivoting articulation 50 allows internal molds 30 to be pivoted to level, and its base 51 is arranged to allow the 360 deg rotation, thereby forms erected configuration.
Shown in Fig. 4 A, one deck spacing material 52 is reeled around the bizet of internal mold 30, and spacing material is preferably at least two casing plies or two-layer velveteen tire.Diverging cone 53 is shown as frustum, has larger-diameter front end 53a and than the rear end 53b of minor diameter, and is assembled on the axle 48 to slide along axle 48.Diverging cone 53 is used to receive sleeve 54, sleeve 54 is formed by the plies cords braiding, for a practice of the present invention, plies cords is preferably staple fibre or cotton cord, in fact, have been found that can receive flow of elastomeric materials enters the cord surface, thereby provide cord and the elastomeric fusion that to resist separation, and as required, thus can comprise that the strand that is woven in elastomeric material wherein allows it being assembled on the minor diameter rear end 53b of diverging cone and expanding when this spurs.
Fig. 4 B has shown diverging cone 53, diverging cone 53 make its front end 53a be moved beyond spacing material 52 layer the edge and arrive about center of bizet of the axle of internal mold 30.Allow the diverging cone of this motion to comprise preceding inwall 55a of at interval parallel and back inwall 55b, preceding inwall 55a and back inwall 55b have centre bore 56a and the 56b that runs through thus respectively, and centre bore 56a and 56b align to receive the axle 48 of assembling thus.Axle 48 supports when it slides before and after this and guiding diverging cone 53.In addition, thereby tyre bead centering plate 57 is shown as to contact and align with the right side of internal mold 30 respectively plies sleeve 54 is passed through, and the function of plies sleeve 54 will be described hereinafter.
Fig. 4 C has shown the parts of Fig. 4 B, and difference is that the front portion of plies sleeve 54 has been pulled the axle of crossing internal mold 30, and the rear portion is still supported by diverging cone 53.
Fig. 4 D is the view after the separate layer 58 of Fig. 4 C velveteen tire of having removed and be preferably two casing plies at diverging cone is reeled on the axle bizet of internal mold 30.Afterwards, inelastic annular beads 58 is along the slide outside of plies cords sleeve 54 ends.Left side tyre bead centering plate 57 is assembled on the sleeve ends, moves through sleeve, blocks tyre bead 58 and the location tyre bead suitably aligns with the left side of internal mold 30 on the 57a of its end.Similarly, tyre bead centering plate 57 is shown as and is aligned with in the right-hand member that is assembled to plies cords sleeve 54, but also is used to block tyre bead 58 and makes tyre bead 58 be positioned at the right side of internal mold.
Fig. 4 E has shown that two tyre bead centering plates 57 all assemble by plies sleeve, and tyre bead 59 is positioned on the side of internal mold 30 by tyre bead centering plate end 57a, the left end that has also shown plies sleeve 54 among the figure is folding around tyre bead 59, surpasses the right side of internal mold 30 and crosses the bizet of internal mold.The left end that demonstrates sleeve 54 among the figure will fold on tyre bead 59, shown in curved arrow A.
Fig. 4 F demonstrates the end of plies sleeve 54 folding and overlapping on the bizet of internal mold 30 on the tyre bead 59.Wherein demonstrate tyre bead centering plate 57 and removed, as shown by arrow B.
Fig. 5 A has shown the view of Fig. 4 D, and difference is that the tyre bead centering plate replaces to the side that a pair of bladder and hardboard 60 are used for tyre bead 59 is installed to internal mold.Each bladder and hardboard 60 comprise the hardboard 61 that is essentially tyre bead centering plate and execution and its identical function, and this hardboard 61 is installed on the side of balloon type bladder 62, and wherein, balloon type bladder 62 is filled with the air of band pressure by valve rod 63.Tyre bead 59 demonstrates along sleeve 54 and slides on the position of the end 61a that receives hardboard 61 on the other side, and demonstrates the separate layer 52 of reeling around internal mold 30, and sleeve 54 passes through separate layer 52 thereon.
Fig. 5 B is and view like Fig. 5 category-A, and left bladder and hardboard 60 be shown as the end that arrives plies sleeve 54 by sleeve 54, engages with tyre bead 59 at edge 61a of this place's hardboard 61.The passage of bladder and hardboard 60 is by suitably forming the air pressure that bladder 62 is filled into expectation through valve rod 63.
Fig. 5 C demonstrates the view similar to Fig. 5 B, has only shown that wherein two bladders and hardboard 60 all enter the end of plies sleeve, and wherein tyre bead 59 is clamped on the side of internal mold 30, and plies sleeve 54 is folding around tyre bead 59.
Fig. 5 D is the view similar to Fig. 5 C, only shown plies sleeve end prescind into short length to end 54a and 54b, and the bladder 62 that demonstrates left bladder and hardboard 60 expands by the pressed gas that passes bar 63 as shown by arrow C and enter.By this expansion, plies sleeve end 54a brings up to the side of internal mold 30 and aligns, and has shown that pressing plate 64 contacts and pushes thereon with the bladder 62 that expands.This pressing plate comprises flat piston end 65 that its front contacts with the bladder 62 of expansion and the push rod end 66 that meets at right angles and extend from the back of pistons end.Certainly, plies sleeve 54 can have shorter length to avoid blocking sleeve ends, and still be that plies sleeve end 54a and 54b can be long and the folding over of internal mold bizet, and are similar to the configuration shown in Fig. 4 E and the 4F in the scope of the disclosure.
Fig. 5 E has shown that pressing plate 64 has entered bladder 63, and air draws back from bladder, as shown by arrow D, also demonstrates bladder among the figure and is tending towards folding around the shoulder of internal mold 30.The folding cord of being propulsive plies sleeve end 54a of this bladder is away from tyre bead 59, and cords ends folds on the plies sides and stretching process internal mold 50.This operation can be included in plies cords ends owing to before the venting of bladder 62 is moved, use adhesive for example pre-cure elastomer to the plies cords applying coating on the casing ply.
Fig. 5 F is the view that is similar to Fig. 5 E, has wherein only shown as shown by arrow D because air continues by bar 63 extractions bladder 62 further to be deflated.Bladder thus arranged flows around the shoulder of internal mold 30, and in this flowing, the bladder surface is tending towards stretching plies cords ends 53a away from tyre bead 59, and promotes the plies cords fluid-tight engagement of plies cords ends and tyre bead top.This operation is tending towards forcing all captive air to flow out from binding material and between plies cords and the plies cords ends.Though only shown the operation of left bladder and hardboard 60, but, clearly, the operation of right side bladder and hardboard 60 is identical with it, and when bladder and hardboard are removed, bladder and hardboard 64 can be operated simultaneously and produce casing ply core and tyre bead, are used to receive the band bundle or the multi-ribbon bundle that apply around the internal mold bizet, and be as mentioned below.
The above-mentioned explanation of Fig. 4 A to 4F and 5A to 5F provides the core and the tyre bead of the casing ply that forms on the bizet of the mandrel segment of internal mold 30.In Fig. 4 A to 4F, plies cords ends is shown as at tyre bead and folds over and be pulled through the internal mold bizet, in Fig. 5 A to 5F, demonstrates plies cords and cuts into just in time at tyre bead and fold over and do not extend beyond the internal mold shoulder.
As shown in Figure 6A, the core of the casing ply of Fig. 4 A to 4F or Fig. 5 A to 5F and band bundle has received one or more separate layer 67, and separate layer 67 is preferably one section velveteen tire around the bizet setting of internal mold 30.Afterwards, band bundle spreader 68 extends near the center of internal mold bizet or its, similar or the function class of band bundle spreader 68 and truncated cone plies spreader 53 seemingly, and can be identical with it, difference is that the diameter of its large-diameter end is to be assembled in the internal mold to have formed on the side of the casing ply with separate layer on it.Layout as shown in Fig. 6 A, the first band bundle, the 69 and second band bundle 69a (if necessary) can pass the small-diameter end portions of band bundle spreader 68 and along its slip, as shown by arrow E.The first band bundle 69 is across the bizet assembling of internal mold 30, and separate layer 70 is being followed in the back, and shown in Fig. 6 B, bundle 69a and then second is with again in the back.Then, remove band bundle spreader 68 and top interlayer or wall 71 be applied on the end face of the second band bundle 69a.The preferred liner barrier material is four layers a velveteen tire section, thereby about eight inches wide and twine with the casing ply clamping in position around bizet along circumference.The side of last separate layer 72 spurs downwards around the shoulder of internal mold 30 successively, engages with casing ply 54.At last, shown in Fig. 6 B, apply tyre cord layer 72 by twining one tyre cord, wherein around band Shu Yuanzhou, winding starts from a side of bizet and proceeds to the opposite side of bizet, finishes the assembling of the core of casing ply of the present invention, band bundle and tyre bead 75 like this.
For applying of the band bundle described in Fig. 6 A and the 6B, the sleeve of band bundle 69 and 69a forms separately by weaving method, wherein band is restrainted the cord bias angles that cord is woven together and intersects and become 24 degree with the center of band Shu Yuanzhou, after the first band bundle 69 is assembled in the internal mold, one deck separate layer 70 is reeled around the circumference of the first band bundle 68, separate layer 70 is for the gauze material and be preferably the velveteen tire, and approximately has four layers.Then, the aforesaid second band bundle 69a is set above separate layer 70.Fu Jia band bundle if desired, each band bundle is just separated by the band bundle of separate layer and above and below so, and uses final separate layer 71 to be applied to top band Shu Shangfang, and wherein separate layer is preferably the velveteen tire of the section of one-tenth.Tire coiling 72 is applied on the final separate layer 71, and wherein tire coiling 72 is preferably Kevlar cord 72, as mentioned above and shown in Fig. 7 F, launches and twines around bizet from spool 73, twines from a side of bizet and proceeds to opposite side.
As replacement to step described in Fig. 6 A and the 6B, band bundle 69 and 69a can be formed into shown in Fig. 7 A to 7G on the internal mold 30 like that, core casing ply and the tyre bead of Fig. 4 F and 5F have been set up thereon, and the axle 48 by erected configuration keeps, this erected configuration is connected on the pivot post 49, shown in Fig. 4 A.Applying separate layer 67 around the internal mold bizet is the coiling of four layers velveteen tire section.For this configuration, the gear plate 76 that all has centre bore 76a is assembled on the end of relative axle 48, and all slides on the spider 32 of inner mold base 31a and 31b.Gear plate 76 navigates on the mould base and thereby clamping makes their tooth 77 align thereon.In order on separate layer 67, to form the first band bundle section, shown in Fig. 7 B, on continuous band bundle cord 78 is wound into tooth on another gear plate obliquely from the tooth on gear plate one side.The tooth that is wound with band bundle cord 78 on it is offset to the angle A that is formed centrally 24 degree in cord that wherein twines and the internal mold bizet that centers on its circumference each other.Demonstrate spool 79 among Fig. 7 B and have winding band bundle cord 78 thereon, this band bundle cord 78 is preferably cotton or staple fibre cord, and should be appreciated that band bundle cord 78 is continuous for each band bundle section.
The first band bundle section is twined shown in Fig. 7 B, the second band bundle section is twined on the first band bundle section then, difference is that second is with the bundle section to twine on these teeth, these teeth are chosen to the gradient and first of the cord of the second band bundle section and are with the gradient of the cord of restrainting section opposite, and the cord of the first and second band bundle sections all forms the angles of about 24 degree and intersects to form the first band bundle with the circumference of internal mold, and this first band bundle is that first of Fig. 6 A and 6B is with and restraints 69 equivalent and will identify with identical numeral 69.Afterwards, shown in Fig. 6 B and 7D, separate layer 70 circumference around inner core above the first band bundle 68 applies.Thereby separate layer 70 be porous therefrom can flow through liquid elastomer stream, and preferred class is similar to one section velveteen tire as the separate layer 67 of Fig. 7 A, is preferably four layers of velveteen tire section that width is approximately eight inches.Then, shown in Fig. 7 D, take off from the tooth 77 of gear 76 band bundle circle end, and the cord 80 of the pin 81 of threading passes band bundle circle, thereby and cords ends holds band bundle circle end downwards through pulling each other towards the internal mold side, and the end of cord 80 is tied.Can be applied on separate layer 67 or the additional band bundle or multi-ribbon bundle as the single band bundle 69 of formation as described in the top, similar with the band bundle 69a of Fig. 6 A and 6B, can form each band bundle as described like that between all have separate layer, and the final separate layer 71 shown in Fig. 6 B is applied to the bizet top, shown in Fig. 7 E, and the side of bizet spurs downwards towards the internal mold side on band bundle circle end.Last step is to form core 75, and tyre cord 72 is shown as and launches continuously to hold itself out to be from spool 73, and is preferably the Kevlar cord, is twining the core bizet, is wound into opposite side from a side of bizet, shown in Fig. 7 F.This winding can followingly realize: rotate internal mold and twine the Kevlar cord on inner mold circumference and form the Kevlar coiling 72 that is similar to shown in Fig. 6 B and Fig. 7 G, finish the formation of core 75 on the axle of internal mold 30.
Shown in Fig. 8 B is tread segments 87, and tread segments 87 is separately one of numbering and a plurality of similar thread segments of being assembled together according to numerical order.Shown in Fig. 8 C, having used independent volume is eight tread segments 87 of one to eight, like that, is assembled on the lip 85a in the position of having described corresponding digital one to eight on the mould substrate 85 on it shown in Fig. 8 A, forms cylinder.In Fig. 8 C, demonstrate tread segments 87 around 85 assemblings of mould substrate, leave open top, expose from the upwardly extending lifting arm 84 of the open centre of core 75.Shown in Fig. 8 D, assemble across tread segments 87 at mould top 86, thereby finished external mold 88.
When external mold 88 forms, shown in Fig. 8 A to 8D, can utilize the lifting arm 84 of centre bore 87 assemblings of passing cover plate 86 to move, wherein lifting arm 84 can releasably be connected to crane or other lifting device that assembly is moved to the cast well.Then, lifting arm 84 is removed.Therefore mould can receive liquid elastomer stream, at mould to pass the centre bore 87 that forms by mould top 86 up to 250 these liquid elastomer during to the rotation of the rotating speed between the 750rpm (shown in the arrow D among Fig. 8 D).Mould rotation causes in the zone of liquid elastomer between internal mold 30 and external mold 88 mobile and fill this space, and as shown in Figure 9 core 75 is encapsulated in as shown in figure 10 the tire 20.
Be to be understood that, the present invention is the configuration in the core 75 of as shown in Figure 9 casing ply, band bundle and tyre bead, and form to place mould to receive the elastomer rotary casting or around the mould of core 75, wherein core 75 has been formed on the axle of internal mold 30, and be positioned in the external mold 88, in single pouring operation, form tire 20, as shown in figure 10.The elastomer component part preferably is respectively liquid isocyanates and liquid polymer, and when their combinations and curing, they are selected to form has desired hardness or the derometer hardness elastomer that is used for automobile or similar transport tire.The elastomer component part also is selected to when mixing and produces heat by exothermic heat of reaction, and this heat enough is used to make pre-cure elastomer to solidify, if this as mentioned above pre-cure elastomer is used in handling practice.
The invention reside in the formation of tire core 75 on the inner mold mandrel part as described in detail above, wherein, tire texture, band bundle and tyre bead locate and remain on stable state with internal mold, so that follow-up cooperation and being positioned in the external mold, elastomer 90 imports in this external mold, around and pass that external mold flows so that the interior and outer surface and the casing ply of flowing through of encapsulation core 75, the core 75 of band bundle and tyre bead, thereby be bonded on the cotton or staple fibre cord that forms casing ply and band bundle, and flow through and engage internal mold, liner or separate layer between casing ply and band bundle or the multi-ribbon bundle, liner or separate layer be the velveteen tire of porous preferably, and Kevlar cord 72 by final layer, form last tire 20, as shown in figure 10.Though show, should be appreciated that the mould of finishing comprises and be used to guide liquid elastomer and flow through by its gate plate part.
Though at this with the method and apparatus that forms tire core and in single forming operation, make applying of tire and show and described the preferred embodiments of the present invention, but be to be understood that, in the scope that does not break away from following claim defined, for the variant of the material of the method that forms described tire core, the equipment that forms tire core and use with change and all be fine, and its rational equivalent is all regarded the present invention as.
Claims (26)
1. method that is used on inner mold mandrel making tire core, described inner mold mandrel has the shape of tire inner surface and receives assembling external mold above it, flow of elastomeric materials imports wherein in the rotary casting operation, the mould annular region is filled and the encapsulation tire core, form tire, comprise the following steps: to assemble internal mold, internal mold comprises top and bottom hub plate and has the wheel hub that is assemblied in wherein to form an assembly, and this assembly has the central passage of passing this assembly and the port and the axle of alignment, described axle has the shape of the tire inner wall that surrounds described wheel hub, and described axle outer surface is used to receive the casing ply of structure thereon, the core of band bundle and tyre bead; Pass that described central passage is equipped with axle and with at least one end portion supports of described axle on erected configuration, described erected configuration allows internal mold to rotate side and bizet near axle; Spacing material around described axle bizet assembling one deck porous; The edge that the large-diameter end of casing ply diverging cone is crossed described spacing material is assembled to about center of described axle bizet; Move on the small-diameter end portions of described diverging cone to move to move along described diverging cone and stride across and surpass described axle bizet by the end of the sleeve of plies cords braiding and with it; Shift out the casing ply diverging cone and the inelastic tyre bead of assembling above each plies sleeve end; The tyre bead centering plate is assembled to each described plies sleeve end and makes it receive described tyre bead along the edge that slides into wherein said tyre bead centering plate herein and move it and the axle contacts side surfaces; Cross the folding described plies sleeve of described tyre bead, and described plies sleeve cross described tyre bead folding after, be pushed to above described tyre bead contacts side surfaces with described casing ply; Above described casing ply, apply the laying that forms by flexible porous material around the axle bizet; Apply continuous band bundle, it is the cylinder of fabric that forms the band bundle cord of intersection; The laying that forms by flexible porous material around described axle assembling at the top of described band bundle; Around bizet location tire cord ply; The described band bundle of cover cap; Be installed to internal mold on the external mold dish type substrate and will have and be assembled on the described outer mold base around the cylindrical ring of the tyre surface of its inner periphery mold pressing, contiguous its edge, and hide described cylinder with the external mold dish type top board that wherein has centre bore, assembling is finished external mold and external mold and is comprised casing ply in the annular region that is installed between described internal mold and the external mold, the internal mold of the core of band bundle and tyre bead, provide the mould of finishing to flow, thereby in the tire of finishing, encapsulate casing ply to be placed on to be rotated in the cast well to receive the hydroelasticity material, the core of band bundle and tyre bead.
2. the method for claim 1, it is characterized in that, described axle is formed by the hard foam core section, the hard foam core section is paired top and bottom stage, the base that their butts are passed in hole with similar alignment, these holes forms, and the butt base is assemblied in from the upwardly extending bar of bottom hub plate, and be assembled into ring around wheel hub and go up, and the profile of described axle is the profile of tire inner wall as axle.
3. the method for claim 1 is characterized in that, described erected configuration is to have a column that is pivotally mounted to the joint on the top, receiving axes end, described top and allow described axle to rotate to plumbness from level.
4. the method for claim 1 is characterized in that, described porous spacing material is the volume of velveteen tire, and described velveteen mold has enough width to extend and center on the bizet assembling of axle with the bizet across axle.
5. the method for claim 1, it is characterized in that, described diverging cone is a frustum, it is arranged to be assemblied in axle and goes up and move along axle, and has large-diameter end and will admit the plies sleeve that spurs thereon closely to be assemblied in axle bizet top and its small-diameter end portions.
6. the method for claim 1, it is characterized in that, described plies sleeve forms and comprises the strand of elastomeric material by the fabric of plies cords, and sleeve can stretch when the casing ply diverging cone moves and can rebound with close fit engagement around the axle bizet when diverging cone is removed at it by this.
7. the method for claim 1 is characterized in that, is assemblied in that described flexible porous laying on the casing ply applied and is two-layer velveteen tire section before the casing ply diverging cone is removed around the axle bizet.
8. the method for claim 1, it is characterized in that, described band bundle is by the sleeve of band bundle cord braiding and is assembled on the band bundle diverging cone small-diameter end portions, the large-diameter end of band bundle diverging cone is assembled to above the top axle in about axle in the heart, and casing ply and porous laying in described axle, have been assembled in the heart, and described braid over braid bundle spurs and is drawn on it along described band bundle diverging cone, thereby extends to opposite side across the bizet of described axle from a side.
9. method as claimed in claim 8 is characterized in that, the cord of each sleeve band bundle all with bizet centroclinal about 24 the degree angles.
10. method as claimed in claim 8 is characterized in that, described porous laying is assemblied in described band Shu Shangfang; And the second band bundle transmits described band bundle diverging cone and is delivered on the axle cover cap porous laying and the first band bundle to large-diameter end from small-diameter end portions.
11. method as claimed in claim 8, it is characterized in that, described band bundle diverging cone is removed and the porous laying assembles around the axle bizet, and the side that covers described band bundle and porous laying spurs and is drawn on the casing ply sidewall across the axle shoulder.
12. the method for claim 1, it is characterized in that, also comprise and to be installed on the side of axle at the gear plate that has similar tooth on its excircle, and gear teeth alignment, and cotton or staple fibre band bundle cord are tied up between the gear teeth of skew obliquely around the axle circumference, form the first band bundle section, its stage casing cord approximately becomes 24 angles of spending with the center line that circumference centers on, and form the second cover tape bundle section by cotton or staple fibre band bundle cord being tied between the skew gear teeth obliquely around described axle circumference, form second section, described second section covers described first section cord, and band bundle section cord tilts on the contrary, each all becomes the angle of about 24 degree with the center line that the axle circumference centers on, thereby forms the band bundle; And on described band bundle, apply the porous separate layer.
13. method as claimed in claim 12 is characterized in that, also comprises taking and make cord to pass described circle end from gear teeth band bundle cord circle end, and form a day shape ring in the cords ends that receives the other cords ends of passing pulling thus; And will be with bundle circle end to be drawn to together, spur described band bundle circle downwards will remain on the position of described casing ply top with bundle circle end along described casing ply.
14. method as claimed in claim 13, it is characterized in that, can use the porous laying to cover two or more band bundles around the axle bizet, described porous laying is formed by staple fibre or cotton material section, they are velveteen tires of four layers, width is approximately eight inches, and the porous laying is fixing as the continuous band bundle around inner mold circumference at final or top band Shu Shangfang.
15. method as claimed in claim 14, it is characterized in that, also be included in top band bundle above apply after the final porous spacing material layer, the rotation internal mold to be twining the circumference volume of tyre cord as described final porous spacing material layer top, and described tyre cord is that a side direction opposite side from bizet twines.
16. the method for claim 1, it is characterized in that, the filling of external mold that includes the internal mold of the core that casing ply, band bundle and tyre bead have been installed is in the annular region between described internal mold and the external mold, and described mould place the cast well and with 250 and 750rpm between speed rotation, thereby hydroelasticity material stream passes that external mold top board centre bore is filled annular region in the tire of finishing and encapsulation casing ply, band are restrainted and the core of tyre bead simultaneously.
17. equipment that is used to form the core of casing ply, band bundle and tyre bead, the core of described casing ply, band bundle and tyre bead is installed in the annular region of die cavity to be received in the flow of elastomeric materials of wherein passing through with the rotary casting tire, comprise: internal mold, described internal mold have bizet as receiving the axle of the core of casing ply, band bundle and the tyre bead of structure thereon; Be used for described axle is remained on device under the vertical and horizontal two states; The casing ply diverging cone, have large-diameter end and small-diameter end portions, and described large-diameter end is being assembled to above the edge of described axle on the described bizet, and described small-diameter end portions is used to receive plies sleeve, and described plies sleeve is the cover tubular fabric of plies cords and is used for sliding and leaving described major diameter cone end with the described bizet through described axle along described casing ply diverging cone; The pair of bead centering plate, all be assemblied in the end of described plies sleeve and include an edge, described edge has the center on the side of blocking the diameter that is arranged in the tyre bead on each described plies sleeve outside and described tyre bead being moved to described axle, folding described plies sleeve on described tyre bead; The band bundle that is used for being formed by the fabric of band bundle cord places the device of described casing ply top around described axle bizet; External mold receives the described internal mold that is placed in one, and comprises that described cylinder comprises the tire tread that forms around described cylindrical inner surface around the cylinder of described internal mold assembling; And described outer mold is useful on and makes flow of elastomeric materials enter the passage of the annular region between described internal mold and the external mold.
18. equipment as claimed in claim 17, it is characterized in that, described internal mold comprises top and bottom hub plate, and described top and bottom hub plate are that similar disk and described top hub plate have by the centre bore that wherein passes, and each described hub plate holds a cylindrical bosses; Be used for described top and bottom hub plate are connected on the described cylindrical bosses device with alignment hole at interval, be formed for passing the open channel that fluid path wherein is provided to the hydroelasticity material, and described top and bottom hub plate comprise the column at straight interval, described column has and is used for each described post end is connected to device on each described top and the bottom hub plate, and axle comprises paired top and bottom hard foam core, described top and bottom hard foam core are with similarly to being assembled together, thereby form described axle with tire inner wall shape, and described hard foam core has the cheese shape and has the base of butt, pass described base and form the hole, described hard foam core is remained between described top and the bottom hub plate on one of the column at described interval, to slide.
19. equipment as claimed in claim 17, it is characterized in that, the bladder that also comprises a pair of closure, when venting, described bladder all can be assembled in one of plies sleeve end, and each described bladder includes and is used for making the device of air through entering and air being extracted out from described bladder, and each described bladder is assembled on the rear surface of tyre bead centering plate, and each described bladder receives a pressing plate, described pressing plate promotes bladder and shrinks when air is discharged thus, described bladder surface laps is leaned against on the side of internal mold to block plies ends and they are upwards promoted along the side of described internal mold from tyre bead.
20. equipment as claimed in claim 17, it is characterized in that, also comprise: as the band bundle diverging cone that is used for the band bundle is navigated to the device on casing ply and porous separate layer on the axle, described band bundle diverging cone has the major diameter front end to be assembled on the axle of having located casing ply and porous separate layer thereon, also has the minor diameter rear end, the first band collar tube by the braiding of band bundle cord promotes along described band bundle diverging cone, moves away described band bundle diverging cone and moves on the described axle above the porous liner of locating above the casing ply.
21. equipment as claimed in claim 20, it is characterized in that, also comprise the second band collar tube, the described second band collar tube along band bundle diverging cone through and move away described band bundle diverging cone and move on the porous separate layer that is positioned at the first band collar tube top.
22. equipment as claimed in claim 17, it is characterized in that, also comprise a pair of identical gear plate, each described gear plate is arranged to be assembled on one of hub plate and is positioned at wherein in the heart, each gear plate all has upright tooth, and the top of described tooth approximately and the circumferential alignment of axle; With being used for described gear plate is installed on the hub plate device with the alignment that keeps the gear plate tooth.
23. equipment as claimed in claim 17 is characterized in that, described external mold has center drilling to receive the hydroelasticity material stream of process thus at its top; And the cylinder around the internal mold assembling is a plurality of tire tread sections, and they are used for being assembled to the cylinder between outer mold top surface and the bottom surface.
24. equipment as claimed in claim 23, it is characterized in that, described tread segments inner surface all have the tyre surface that is designed to form therein and by from one to eight numbering individually with the mould base on digital corresponding, described mould base is positioned on the interval that separates of the external lip of described mould base, described tread segments is assembled between described mould base and the top by numerical order, forms to have the cylinder that tyre surface is molded into the continuous inner outer wall in the tire.
25. equipment as claimed in claim 18 is characterized in that, described wheel hub and hub plate comprise hole at interval, and the hole at described interval is crooked oval perforate, as forming the hole at the interval of the passage of process thus; With
Be used to guide hydroelasticity material stream through passing the center drilling of top die base and entering the device of the oval perforate of described bending.
26. equipment as claimed in claim 17, it is characterized in that the structure carriage comprises axle, described axle has the end that is connected on the joint, described joint allows the rotation of described axle and is switched to plumbness from level, and described joint is connected to fixing vertical pillars.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2005/026912 WO2007061400A1 (en) | 2005-11-23 | 2005-11-23 | Method and apparatus for forming a core of plies, belts and beads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101090812A true CN101090812A (en) | 2007-12-19 |
Family
ID=37450521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800125523A Pending CN101090812A (en) | 2005-11-23 | 2005-11-23 | Improved method and apparatus for forming a core of plies, belts and beads and for positiming the core in a mold for forming and elastomeric tire |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1954480A1 (en) |
| JP (1) | JP2009529435A (en) |
| CN (1) | CN101090812A (en) |
| CA (1) | CA2554864C (en) |
| WO (1) | WO2007061400A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615843A (en) * | 2011-01-28 | 2012-08-01 | 住友橡胶工业株式会社 | Method for manufacturing inflated tire |
| CN110290917A (en) * | 2017-01-26 | 2019-09-27 | Vmi荷兰公司 | For adhesive tape to be applied to the device and method that cord reinforces casing ply edge |
| CN110561979A (en) * | 2019-08-30 | 2019-12-13 | 青岛慕沃科技有限公司 | polyurethane pneumatic tire and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010017290A1 (en) * | 2010-06-08 | 2011-12-08 | Vmi Holland B.V. | expander |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1619019A (en) * | 1922-07-11 | 1927-03-01 | Goodrich Co B F | Tire-building method and apparatus |
| US1734023A (en) * | 1923-03-07 | 1929-10-29 | Firestone Tire & Rubber Co | Method of manufacturing tires |
| US2521143A (en) * | 1947-12-29 | 1950-09-05 | Us Rubber Co | Tire building apparatus |
| GB1223242A (en) * | 1968-11-25 | 1971-02-24 | Continental Gummi Werke Ag | Improvements in or relating to tyre manufacturing apparatus |
| JPS51105377A (en) * | 1975-03-13 | 1976-09-17 | Tatsutaro Nomura | |
| FR2460200A1 (en) * | 1979-06-29 | 1981-01-23 | Michelin & Cie | METHOD OF MANUFACTURING TIRES BY MOLDING, AND TIRES OBTAINED BY THIS PROCESS |
| US4295513A (en) * | 1980-04-11 | 1981-10-20 | The Goodyear Tire & Rubber Company | Tire and method of reinforcement |
-
2005
- 2005-11-23 JP JP2008542288A patent/JP2009529435A/en active Pending
- 2005-11-23 CN CNA2005800125523A patent/CN101090812A/en active Pending
- 2005-11-23 CA CA002554864A patent/CA2554864C/en not_active Expired - Fee Related
- 2005-11-23 WO PCT/US2005/026912 patent/WO2007061400A1/en active Search and Examination
- 2005-11-23 EP EP05856889A patent/EP1954480A1/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615843A (en) * | 2011-01-28 | 2012-08-01 | 住友橡胶工业株式会社 | Method for manufacturing inflated tire |
| CN102615843B (en) * | 2011-01-28 | 2015-11-25 | 住友橡胶工业株式会社 | Airtyred manufacture method |
| CN110290917A (en) * | 2017-01-26 | 2019-09-27 | Vmi荷兰公司 | For adhesive tape to be applied to the device and method that cord reinforces casing ply edge |
| CN110290917B (en) * | 2017-01-26 | 2020-09-11 | Vmi荷兰公司 | Apparatus and method for applying strips of glue to the edges of a cord reinforced ply |
| US10933576B2 (en) | 2017-01-26 | 2021-03-02 | Vmi Holland B.V. | Apparatus and method for applying a gum strip to an edge of a cord reinforced ply |
| CN110561979A (en) * | 2019-08-30 | 2019-12-13 | 青岛慕沃科技有限公司 | polyurethane pneumatic tire and manufacturing method thereof |
| CN110561979B (en) * | 2019-08-30 | 2021-07-20 | 青岛慕沃科技有限公司 | Method for manufacturing polyurethane pneumatic tire |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2554864C (en) | 2007-06-26 |
| WO2007061400A1 (en) | 2007-05-31 |
| CA2554864A1 (en) | 2006-11-15 |
| EP1954480A1 (en) | 2008-08-13 |
| WO2007061400A8 (en) | 2008-04-10 |
| JP2009529435A (en) | 2009-08-20 |
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Open date: 20071219 |