CN102862447A - Tire crown surface-layer microcellular foaming high-performance tire and manufacturing method thereof - Google Patents
Tire crown surface-layer microcellular foaming high-performance tire and manufacturing method thereof Download PDFInfo
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- CN102862447A CN102862447A CN2012103917085A CN201210391708A CN102862447A CN 102862447 A CN102862447 A CN 102862447A CN 2012103917085 A CN2012103917085 A CN 2012103917085A CN 201210391708 A CN201210391708 A CN 201210391708A CN 102862447 A CN102862447 A CN 102862447A
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Abstract
The invention discloses a tire crown surface-layer microcellular foaming high-performance tire and a manufacturing method thereof. The tire is formed by compositing a thin film with micron-sized bubble holes and a rubber tire, the thin film with the micron-sized bubble holes is evenly attached to tire pattern blocks and pattern grooves of the rubber tire, holding property of the tire is improved while the original tread pattern performance is guaranteed, noise of the tire in a driving process is reduced, and functions and application of the foaming film are exerted fully. The manufacturing method includes that the thin film provided with the micron-sized bubble holes and processed by the supercritical CO2 foaming process technology is attached to a rubber tire blank on a tire building machine in sleeved mode or adhered to the surface of the rubber tire crown, co-vulcanization operation is performed on a tire forming vulcanizer, the operation process can be achieved on an existing tire forming device, the operation process and processing forming of the rubber tire can be completed simultaneously, no extra time is consumed, and the manufacturing method is simple in process, small in time consumption, high in production efficiency and the like.
Description
Technical field
The present invention relates to a kind of high-performance tire and manufacture method thereof, more specifically say a kind of raising holding power, fall low noise high-performance tire and manufacture method thereof.
Background technology
Tire is one of vitals of automobile, and it directly contacts with the road surface, support loading, earthward transferring power, propulsive effort and steering effort, thus tire grabbing the safety that performance has affected running car to a great extent.Along with the raising of people's quality of life, there has been clear and definite regulation in a lot of cities to the car noise effluent standard, thereby make the size of car noise become to weigh one of important indicator of car mass level.Auto-industry are through the development of last 100 years, and the noise of vehicle structure generation of vibration is controlled greatly, so squeal of tire has become a Main Noise Sources during Vehicle Driving Cycle.As everyone knows, tire grabbing performance and noise performance is runed counter to, in order to reduce tire noise, often reduce the groove area of tread contour groove or reduce the quantity of groove.But to grab performance in order improving, to increase the groove area of above-mentioned decorative pattern groove or increase the quantity of groove, consequently the reduction of tire noise and catch the raising of power to process in opposite mode.This exploitation to high-performance tire has proposed challenge.
Under such background, US Patent No. 8047244 discloses a kind of air-inflation tyre, with the corrugated stria, having reduced pump gas noise in the tire running process does not affect simultaneously and is grabbing performance, but has greatly increased the processing and manufacturing difficulty of tire yet on the circumferential grooves cell wall of this tire protector.
Chinese patent ZL200520019835.8 discloses a kind of air-inflation tyre, this tire is embedded with wire net by Pattern Design and the tyre surface of uniqueness, increased the grabbing property of tire, have simultaneously the advantages such as gentle moving property is good, noise is low, but also strengthened the difficulty that tire is made, the tyre surface wire net all can cause certain infringement to tyre surface and road surface, thereby reduces the service life on tire and road surface.
Summary of the invention
The object of the invention is to propose a kind of low noise, grabbing property of height and make easy high-performance tire and forming method thereof.
The technical scheme that realizes above-mentioned purpose is that the high-performance tire of a kind of crown top layer microporous foam is composited by thin film and rubber tire with micron order abscess.Thin film is through supercritical CO
2Foaming is processed, and makes it have the micron order abscess; Green tyre processes at existing forming machine, at the thin film of rubber tire tire base surface coverage with micropore, then the two together is put in moulding in the tire vulcanizer, thin film with micropore forms traditional decorative pattern groove with rubber tire tire base surface, and this tire is the tire of crown top layer microporous foam.
The high-performance tire of crown of the present invention top layer microporous foam, thin film with micropore can adopt the intermeshing connection of multiple tooth shape in the joint that makes progress in tire base week, namely the concavo-convex of the concavo-convex and other end of an end staggers, and has the two concavo-convex cooperation of thin film two ends of micropore during connection; Or the concaveconvex structure with thin film end of micropore is dovetail form, two connections that the end is buckled, the end is difficult for dislocation, and tyre inflating or the circumferential junction of thin film that has micropore when being subject to peripheral force are difficult for throwing off, and the thin film that has micropore after bonding is difficult for peeling off.
The forming method of the high-performance tire of crown of the present invention top layer microporous foam is by the following technical solutions: adopt supercritical CO
2The thin film of foam process technical finesse, prepare in advance the thin film with micron order abscess, on tire building machine, rubber tire tire base is set with the thin film that applying has the micron order abscess, the composite tyre base of this thin film and rubber is carried out the co-vulcanization operation at tire forming vulcanizer, adjust curing temperature and time of cure, make rubber be in glutinous stream mode, can in activating mold, flow well, open mould after sulfuration is finished, the high-performance tire preparation of crown top layer microporous foam is finished.
The forming method of the high-performance tire of crown of the present invention top layer microporous foam can also be realized like this: adopt supercritical CO
2The thin film of foam process technical finesse, prepare in advance the thin film with micron order abscess, this thin film plaster is incorporated into the top layer of rubber crown, and it is carried out furnace run, make its bonding good, on tire building machine, tire is carried out forming operation, the tire of forming is placed carry out vulcanisation operation on the tire forming vulcanizer, thereby obtain the high-performance tire of crown top layer microporous foam.
The high-performance tire of crown of the present invention top layer microporous foam has kept the decorative pattern shape of original tyre surface, makes again the crown top layer have microcellular structure simultaneously.The existence of a large amount of micron order abscesses in crown top layer makes tire protector and road surface reach sufficient engagement at microcosmic, has greatly increased the grabbing property of tire; The existence of a large amount of micron order abscesses in crown top layer makes tyre surface have excellent damping and sound absorbing capabilities, greatly reduces the noise in the tire running process; This tire does not destroy the original performance of tire simultaneously, such as drainage performance, wet and slippery performance etc.Good adhesiveness is arranged between film and the rubber, and the film two ends have greatly increased the fastness that film attaches with the combination of dentation form; Expanded polystyrene sheet is brought into play its function and purposes to greatest extent because the existence saving of abscess has also effectively utilized rubber sources simultaneously.The high-performance tire forming process of crown of the present invention top layer microporous foam just can be realized on existing tyre production former, and finish synchronously with the machine-shaping of rubber tire, additive decrementation time no longer, have that technique is simple, consuming time less, the production efficiency advantages of higher.
Description of drawings
Fig. 1 is the high-performance tire perspective view of crown of the present invention top layer microporous foam.
Fig. 2 is the cross sectional drawing of the high-performance tire of crown of the present invention top layer microporous foam.
Fig. 3 is the structural representation that has the thin film of micron order abscess in the high-performance tire of crown of the present invention top layer microporous foam.
Fig. 4 is thin film and the tire bonding process scheme drawing that has the micron order abscess in the high-performance tire forming process of crown of the present invention top layer microporous foam.
Fig. 5 is thin film and the crown glue bond process schematic representation that has the micron order abscess in the another kind of forming process of the high-performance tire of crown of the present invention top layer microporous foam.
Among the figure: 1-rubber tire; 2-have a thin film of micron order abscess; 3-tire tread block; 4-tire tread groove; 5-dentation tongue; 6-dentation groove; 7-tyre crown glue top layer.
The specific embodiment
Figure 1 shows that the high-performance tire perspective view of crown of the present invention top layer microporous foam, the high-performance tire of crown of the present invention top layer microporous foam is composited by rubber tire 1 and the thin film 2 with micron order abscess.Thin film 2 with micron order abscess can be through supercritical CO
2Foaming is processed and is obtained, and makes it have the micron order abscess; The tire base of rubber tire 1 is identical with existing green tyre structure, process at existing forming machine, add a procedure at forming machine, the thin film that namely has the micron order abscess in the tire base surface coverage of rubber tire 1, then the two together is put in moulding in the tire vulcanizer, obtains the tire of crown top layer microporous foam.
Figure 2 shows that the cross sectional drawing of the high-performance tire of crown of the present invention top layer microporous foam, show among the figure that the thin film 2 with micron order abscess is attached on the tire tread block 3 and decorative pattern groove 4 of rubber tire 1 equably.
Shown in Figure 3, the two ends with thin film 2 of micron order abscess can be set as intermeshing dentation tongue 5 and dentation groove 6, to increase bond area, improve the fastness that thin film attaches.
Shown in Figure 4, the forming method of the high-performance tire of crown of the present invention top layer microporous foam can be taked following scheme: adopt supercritical CO
2The thin film of foam process technical finesse, prepare in advance the thin film 2 with micron order abscess, film thickness is 1-2mm, and the thickness of film 2 is too large, the size of decorative pattern groove 4 is changed a lot, thereby affect original tyre surface characteristic; Thickness is too little, then can't give full play to its noise reduction and grab performance.On tire building machine, rubber tire tire base 1 is set with the thin film 2 that applying has the micron order abscess, this composite tyre base with the thin film of micron order abscess and rubber is carried out the co-vulcanization operation at tire forming vulcanizer, on the basis of original tire tread block 3 and decorative pattern groove 4 film 2 with micron order abscess evenly is coated on the rubber tire.
Shown in Figure 5, the high-performance tire of crown of the present invention top layer microporous foam can also adopt another forming method to realize: adopt supercritical CO
2The thin film of foam process technical finesse, prepare in advance the thin film 2 with micron order abscess, this thin film 2 is fitted on the rubber crown glue top layer 7, and it is carried out furnace run, make its bonding good, on tire building machine, the tire with compound crown is carried out forming operation, the tire of forming is placed carry out vulcanisation operation on the tire forming vulcanizer, thereby obtain the high-performance tire of crown top layer microporous foam.
The high-performance tire of crown of the present invention top layer microporous foam has improved the performance of grabbing of tire on the basis that guarantees original tire protector performance, reduced the noise in the tire running process; Film 2 with microcellular structure can be attached on the rubber tire 1 well; Expanded polystyrene sheet has been brought into play its function and purposes fully simultaneously.The high-performance tire composite molding technique of crown of the present invention top layer microporous foam just can be realized on existing tyre production former, and finish synchronously with the machine-shaping of rubber tire, additive decrementation time no longer, have that technique is simple, consuming time less, the production efficiency advantages of higher.
Claims (7)
1. the high-performance tire of crown top layer microporous foam, it is characterized in that: be composited by thin film and rubber tire with micron order abscess, the thin film with micron order abscess is attached on the tire tread block and decorative pattern groove of rubber tire equably.
2. the high-performance tire of crown according to claim 1 top layer microporous foam is characterized in that: have the thin film of micron order abscess through supercritical CO
2Foaming is processed and is obtained.
3. the high-performance tire of crown according to claim 1 top layer microporous foam is characterized in that: have the intermeshing connection that multiple tooth shape is adopted in joint that the thin film of micropore makes progress in tire base week.
4. the high-performance tire of crown according to claim 3 top layer microporous foam is characterized in that: the thin film with micropore adopts multiple tooth shape in the joint place that makes progress in tire base week intermeshingly is dovetail form, two connections that the end is buckled.
5. the high-performance tire of crown according to claim 1 top layer microporous foam, it is characterized in that: the thickness with thin film of micron order abscess is 1-2mm.
6. the forming method of the high-performance tire of crown claimed in claim 1 top layer microporous foam is characterized in that: adopt supercritical CO
2The thin film of foam process technical finesse, prepare in advance the thin film with micron order abscess, on tire building machine, rubber tire tire base is set with the thin film that applying has the micron order abscess, the composite tyre base of this thin film and rubber is carried out the co-vulcanization operation at tire forming vulcanizer, adjust curing temperature and time of cure, make rubber be in glutinous stream mode, can in activating mold, flow well, open mould after sulfuration is finished, the high-performance tire preparation of crown top layer microporous foam is finished.
7. the forming process of the high-performance tire of crown according to claim 6 top layer microporous foam, it is characterized in that: the top layer that just fits to rubber crown glue after the thin film preparation with micron order abscess is finished, and it is carried out furnace run, make its bonding good, and then on tire building machine, tire is carried out forming operation, the tire of forming placed carry out vulcanisation operation on the tire forming vulcanizer, thereby obtain the high-performance tire of crown top layer microporous foam.
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| CN2012103917085A CN102862447A (en) | 2012-10-16 | 2012-10-16 | Tire crown surface-layer microcellular foaming high-performance tire and manufacturing method thereof |
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| CN2012103917085A CN102862447A (en) | 2012-10-16 | 2012-10-16 | Tire crown surface-layer microcellular foaming high-performance tire and manufacturing method thereof |
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| CN102862447A true CN102862447A (en) | 2013-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302929A (en) * | 2013-06-21 | 2013-09-18 | 四川宏亿复合材料工程技术有限公司 | Solid rubber-micropore foamed rubber composite material and preparation method thereof |
Citations (6)
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| JPH06344722A (en) * | 1993-06-14 | 1994-12-20 | Sumitomo Rubber Ind Ltd | Low-noise tire |
| JP2000144612A (en) * | 1998-11-13 | 2000-05-26 | Mitsui Chemicals Inc | Repair executing method for elastic paving body |
| CN1412021A (en) * | 2001-10-11 | 2003-04-23 | 黄长发 | Production method of polished colour rubber tyre |
| CN101072692A (en) * | 2004-12-07 | 2007-11-14 | 株式会社普利司通 | Tyre |
| CN101687438A (en) * | 2007-07-02 | 2010-03-31 | 米其林技术公司 | The tire that comprises tyre surface with rubbery foam |
| CN102582363A (en) * | 2012-03-21 | 2012-07-18 | 北京化工大学 | Second-order decorative pattern polyurethane film-rubber composite tire and molding process thereof |
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2012
- 2012-10-16 CN CN2012103917085A patent/CN102862447A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| JPH06344722A (en) * | 1993-06-14 | 1994-12-20 | Sumitomo Rubber Ind Ltd | Low-noise tire |
| JP2000144612A (en) * | 1998-11-13 | 2000-05-26 | Mitsui Chemicals Inc | Repair executing method for elastic paving body |
| CN1412021A (en) * | 2001-10-11 | 2003-04-23 | 黄长发 | Production method of polished colour rubber tyre |
| CN101072692A (en) * | 2004-12-07 | 2007-11-14 | 株式会社普利司通 | Tyre |
| CN101687438A (en) * | 2007-07-02 | 2010-03-31 | 米其林技术公司 | The tire that comprises tyre surface with rubbery foam |
| CN102582363A (en) * | 2012-03-21 | 2012-07-18 | 北京化工大学 | Second-order decorative pattern polyurethane film-rubber composite tire and molding process thereof |
Non-Patent Citations (1)
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| 冯培杰等: "超临界二氧化碳发泡热硫化硅橡胶的研究", 《材料工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302929A (en) * | 2013-06-21 | 2013-09-18 | 四川宏亿复合材料工程技术有限公司 | Solid rubber-micropore foamed rubber composite material and preparation method thereof |
| CN103302929B (en) * | 2013-06-21 | 2015-10-28 | 四川宏亿复合材料工程技术有限公司 | A kind of solid rubber-microporous foam rubber composite and preparation method thereof |
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Application publication date: 20130109 |