CN102642319B - Low-cross-section wide-base all-steel radial tire forming method and all-steel radial tire - Google Patents
Low-cross-section wide-base all-steel radial tire forming method and all-steel radial tire Download PDFInfo
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- CN102642319B CN102642319B CN201210139589.4A CN201210139589A CN102642319B CN 102642319 B CN102642319 B CN 102642319B CN 201210139589 A CN201210139589 A CN 201210139589A CN 102642319 B CN102642319 B CN 102642319B
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Abstract
The invention relates to a low-cross-section wide-base all-steel radial tire forming method, which comprises the following concrete steps of sequentially pasting a first belt beam layer, a second belt beam layer, a third belt beam layer, a zero belt, a fourth belt beam layer and a tire surface to obtain the belt beam assembly: the first belt beam layer is subjected to longitudinal incomplete cutting operation, two identical parts of left belt beams and right belt beams which are connected through a non-cutting metal wire are obtained; the second belt beam layer is subjected to the longitudinal incomplete cutting operation, three identical parts of left belt beams, middle belt beams and right belt beams are obtained, wherein the left belt beams and the middle belt beams are connected through a non-cutting metal wire; and the belt beam layer assembly is obtained according to the automatic-manual combined pasting work procedure, so the stress generated by the simultaneous forming with a tire body tube assembly when the belt beam layer assembly is sheathed on the tire body tube assembly is reduced, the tire cavity reverse arc problem of the finished product tire is solved, and the production efficiency can also be improved. The invention also provides an all-steel radial tire.
Description
technical field:
The present invention relates to radial tyre production technical field, particularly a kind of low section wide base all-steel radial tyre forming method and all-steel radial tyre.
background technology:
All-steel load-bearing radial tire has energy-conservation.The superiority such as safe and durable is the main product of world's tire development.In order to meet the needs of user and market development, improve product competitiveness, each giant tyre company of the world drops into huge fund one after another, develops new product, and constantly releases radial of new generation, and the low section tubeless tyre of the wide base of high-performance is exactly wherein a kind of.
Because the wide base tubeless of the ultralow section of high-performance all-steel radial tire depth-width ratio is very little, design and production difficulty are large.As, the wide base tubeless of general ultralow section specification belt design width is large, thereby easily causes the anti-arch problem of finished product tire tyre cavity.
summary of the invention:
In view of this, be necessary to provide a kind of wide base all-steel radial tyre of low section forming method that prevents the anti-arc of tyre cavity.
Also be necessary to provide a kind of all-steel radial tyre that adopts said method to obtain.
A kind of all-steel load-bearing radial tire forming method, comprises the following steps: laminating inner liner, sidewall, carcass ply, heel fabric is also rolled into matrix body tube, carries out the prefabricated buckle ring of metallic coil and laminating shoulder wedge to obtain matrix body tube assembly;
Fit the first belt, the second belt, the 3rd belt, nullity belt, the 4th belt, tyre surface successively to obtain belt package;
Belt package is set on matrix body tube assembly, and carries out preformed and again after roll forming operation, obtain tire base and tire base is carried out to vulcanisation operation acquisition all-steel load-bearing radial tire;
Wherein, fit successively the first belt, the second belt, the 3rd belt, nullity belt, the 4th belt, tyre surface is specially with the step that obtains belt package:
The first belt is done longitudinally to left band bundle, the right band bundle that not exclusively severing operation obtains two equal portions and connects by the wire of not severing;
Second layer belt is done longitudinally to not exclusively left band bundle, middle band bundle, the right band bundle of severing operation acquisition three equal parts, and wherein left band bundle, middle band bundle connect by the wire of not severing;
Utilize the first feed frame automatic attaching first belt on belt drum;
Utilize the left band bundle of the second feed frame automatic attaching second layer belt on the belt drum that posts the first belt, middle band bundle, the right band bundle of then manually fitting on the belt drum that posts the first belt;
Utilize the 3rd feed frame automatic attaching the 3rd belt on the belt drum that posts the first belt, the second belt;
Utilize the nullity belt feed frame nullity belt of fitting on the belt drum that posts the first belt, the second belt, the 3rd belt;
Manual on the belt drum that posts the first belt, the second belt, the 3rd belt, nullity belt, fit successively the 4th belt, tyre surface, wherein, the width of the first belt is that the width of 360mm, the second belt is that the width of 381mm, the 3rd belt is that the width of 150mm, the 4th belt is 130mm.
A kind of all-steel radial tyre, all-steel radial tyre comprises belt package, the first belt in belt package is the left band bundle being connected by wire, right band Shu Zucheng; Second layer belt is the left band bundle being connected by wire, middle band bundle and the right band Shu Zucheng that is not connected with left band bundle, middle band bundle, wherein, the width of the first belt is that the width of 360mm, the second belt is that the width of 381mm, the 3rd belt is that the width of 150mm, the 4th belt is 130mm.
While adopting the wide base all-steel radial tyre of above-mentioned low section forming method to produce all-steel radial tyre, to the first belt, the second belt does longitudinally not exclusively severing operation, the first belt, although the second belt has been cut open, but the first belt, the second belt bottom still connects some one metal wires, reach the effect of " like disconnected non-disconnected ", and utilize the first feed frame automatic attaching first belt on belt drum, utilize the left band bundle of the second feed frame automatic attaching second layer belt on the belt drum that posts the first belt, middle band bundle, utilize the 3rd feed frame posting the first belt, automatic attaching the 3rd belt on the belt drum of the second belt, so not only when having reduced that belt package is set on matrix body tube assembly with matrix body tube assembly together the stress of moulding generation to have solved the anti-arch problem of finished product tire tyre cavity, also can enhance productivity, improve more than 30% according to actual production statistics production efficiency.
accompanying drawing explanation:
Accompanying drawing 1 is the wide base all-steel radial tyre of low section forming method flow chart.
Accompanying drawing 2 is belt package structural representations in all-steel radial tyre.
In figure: belt package 10, the first belt 11, wire 110, left band bundle 111, right band bundle 112, the second belt 12, wire 120, left band bundle 121, middle band bundle 122, right band bundle 123, the 3rd belt 13, nullity belt 14, the 4th belt 15, tyre surface 16, the wide base all-steel radial tyre of low section forming method step S302～S306.
the specific embodiment:
The wide base all-steel radial tyre of low section provided by the invention forming method, is applied in the production of the wide base tubeless of the ultralow section of high-performance all-steel radial tyre, and the method is applicable to three-drum forming machine production line, four drum forming machine production lines.
Please refer to Fig. 1, it is the wide base all-steel radial tyre of the low section forming method of a preferred embodiments, comprises the following steps:
Step S302, laminating inner liner, sidewall, carcass ply, heel fabric is also rolled into matrix body tube, carries out the prefabricated buckle ring of metallic coil and laminating shoulder wedge to obtain matrix body tube assembly.For example, while adopting four drum forming machine production lines to produce, utilize the matrix body tube laminating apparatus in four drum forming machine production lines to drive fit inner liner, sidewall, carcass ply, heel fabric and be rolled into matrix body tube, carry out the prefabricated buckle ring of metallic coil; Covering on laminating drum by the matrix body tube transmission in four drum forming machine production lines takes out matrix body tube and shifts out on the holding fix of the shaped device of matrix body tube laminating drum in four drum forming machine production lines, the shoulder wedge of fitting on the assembly drum of the holding fix of shaped device, then shaped device Rotate 180 degree, above-mentioned assembly drum arrives shaping position, is positioned at same axis with belt drum.
Step S304, first belt of fitting successively, the second belt, the 3rd belt, nullity belt, the 4th belt, tyre surface are to obtain belt package.Wherein, referring to Fig. 2, first belt 11 of fitting successively, the second belt 12, the 3rd belt 13, nullity belt 14, the 4th belt 15, tyre surface 16 are specially with the step that obtains belt package 10: the first belt 11 is done longitudinally to not exclusively severing operation acquisition two equal portions and the left band bundle 111 connecting by the wire 110 of not severing, right band bundle 112; Second layer belt 12 is done longitudinally to not exclusively left band bundle 121, middle band bundle 122, the right band bundle 123 of severing operation acquisition three equal parts, and wherein left band bundle 121, middle band bundle 122 pass through the not wire 120 of severing, and right band bundle 123 disconnects completely with middle band bundle 122; Utilize the first feed frame automatic attaching first belt 11 on belt drum; Utilize the left band bundle 121 of the second feed frame automatic attaching second layer belt 12 on the belt drum that posts the first belt 11, middle band bundle 122, the right band bundle 123 of then manually fitting on the belt drum that posts the first belt 11; Utilize the 3rd feed frame automatic attaching the 3rd belt 13 on the belt drum that posts the first belt 11, the second belt 12; Utilize the nullity belt feed frame nullity belt 14 of fitting on the belt drum that posts the first belt 11, the second belt 12, the 3rd belt 13; Manual on the belt drum that posts the first belt 11, the second belt 12, the 3rd belt 13, nullity belt 14, fit successively the 4th belt 15, tyre surface 16.Not exclusively severing operation refers to when the first belt, the second belt are cut, and between the incision band bundle of assurance the first belt, the second belt, is connected by some one metal wires.In the present embodiment, wire is steel wire, the specification of the all-steel radial tyre of producing is 455/45R22.5, wherein the width of the first belt 11 of this all-steel radial tyre is 360mm, the width of the second belt 12 is 381mm, the width of the 3rd belt 13 is 150mm, the width of the 4th belt 15 is 130mm, the left band bundle 111 of the first belt 11, the spacing of adjacent two steel wires 110 that right band bundle is 112, the left band bundle 121 of second layer belt 12, middle band bundle 122, the spacing of adjacent two steel wires 120 that right band bundle is 123 is 200mm, the left band bundle 111 of the first belt 11, right band bundle 112 is 180mm and batches in same I-beam wheel, the left band bundle 121 of second layer belt 12, middle band bundle 122, right band bundle 123 is 127mm, the wherein left band bundle 121 of second layer belt 12, middle band bundle 122 batches in same I-beam wheel, the right band bundle 123 of second layer belt 12 batches in another I-beam wheel.In other embodiments, between the left band bundle of second layer belt, middle band bundle, right band bundle, connect by the wire not blocking.
Step S306, is set in belt package on matrix body tube assembly, and carries out preformed and again after roll forming operation, obtain tire base, and tire base is carried out to vulcanisation operation acquisition all-steel radial tyre.For example, while adopting four drum forming machine production lines to produce, belt transmission ring in four drum forming machine production lines takes out wait from belt drum and transports, now just in time on assembly drum, be ready to a set of matrix body tube, assembly drum instruction in four drum forming machine production lines accesses belt package, so belt transmission ring clamping belt package is delivered to and is set in assembly drum desired location backed off after random original place and waits for, assembly drum carries out preformed and is again clamped to and unloads fetal position and unload tire through transmission ring clamper after roll forming, finally complete the forming process of all-metal wire engineering radial.Wherein, all-steel radial tyre comprises belt package, and the first belt in belt package is the left band bundle being connected by wire, right band Shu Zucheng; Second layer belt is the left band bundle being connected by wire, middle band bundle and the right band Shu Zucheng that is not connected with left band bundle, middle band bundle.
While adopting the wide base all-steel radial tyre of above-mentioned low section forming method to produce all-steel radial tyre, to the first belt 11, the second belt 12 does longitudinally not exclusively severing operation, the first belt 11, although the second belt 12 has been cut open, but the first belt 11, the second belt 12 bottoms still connect some one metal wires, reach the effect of " like disconnected non-disconnected ", and utilize the first feed frame automatic attaching first belt 11 on belt drum, utilize the left band bundle 121 of the second feed frame automatic attaching second layer belt 12 on the belt drum that posts the first belt 11, middle band bundle 122, utilize the 3rd feed frame posting the first belt 11, automatic attaching the 3rd belt 13 on the belt drum of the second belt 12, so not only when having reduced that belt package 10 is set on matrix body tube assembly with matrix body tube assembly together the stress of moulding generation to have solved the anti-arch problem of finished product tire tyre cavity, also improve the pressure of tire and worn performance, need the artificial manual laminating operation of belt I-beam wheel polypropylene fibre shield being led out to material loading that coordinates owing to having reduced simultaneously, adopt first feed frame automatic attaching the first belt 11, the left band bundle 121 of the second feed frame automatic attaching second layer belt 12, middle band bundle 122, the 3rd feed frame automatic attaching the 3rd belt 13, so improved production efficiency, improve more than 30% according to practical condition statistics production efficiency.
Claims (2)
1. the wide base all-steel radial tyre of a low section forming method, comprises the following steps: laminating inner liner, sidewall, carcass ply, heel fabric is also rolled into matrix body tube, carries out the prefabricated buckle ring of wire loop and laminating shoulder wedge to obtain matrix body tube assembly;
Fit ground floor belt, the second belt, the 3rd belt, nullity belt, the 4th belt, tyre surface successively to obtain belt package;
Belt package is set on matrix body tube assembly, and carries out preformed and again after roll forming operation, obtain tire base and tire base is carried out to vulcanisation operation acquisition all-steel load-bearing radial tire;
It is characterized in that: the ground floor belt of fitting successively, the second belt, the 3rd belt, nullity belt, the 4th belt, tyre surface are specially with the step that obtains belt package:
The first belt is done longitudinally to left band bundle, the right band bundle that not exclusively severing operation obtains two equal portions and connects by the wire of not severing;
Second layer belt is done longitudinally to not exclusively left band bundle, middle band bundle, the right band bundle of severing operation acquisition three equal parts, and wherein left band bundle, middle band bundle connect by the wire of not severing;
Utilize the first feed frame automatic attaching first belt on belt drum;
Utilize the left band bundle of the second feed frame automatic attaching second layer belt on the belt drum that posts the first belt, middle band bundle, the right band bundle of then manually fitting on the belt drum that posts the first belt;
Utilize the 3rd feed frame automatic attaching the 3rd belt on the belt drum that posts the first belt, the second belt;
Utilize the nullity belt feed frame nullity belt of fitting on the belt drum that posts the first belt, the second belt, the 3rd belt;
Manual on the belt drum that posts the first belt, the second belt, the 3rd belt, nullity belt, fit successively the 4th belt, tyre surface, wherein, the width of the first belt is that the width of 360mm, the second belt is that the width of 381mm, the 3rd belt is that the width of 150mm, the 4th belt is 130mm.
2. the wide base all-steel radial tyre of low section according to claim 1 forming method, is characterized in that: the spacing of the left band bundle of the first belt, the spacing of right adjacent two steel wires with interfascicular, the left band bundle of second layer belt, middle band bundle, right adjacent two steel wires with interfascicular is 200mm.
3. the wide base all-steel radial tyre of low section according to claim 2 forming method, is characterized in that: the left band bundle of the first belt, right band Shu Junwei 180mm, the left band bundle of second layer belt, middle band bundle, right band Shu Junwei 127mm.
4. an all-steel radial tyre, all-steel radial tyre comprises belt package, belt package comprises the first belt, second layer belt, it is characterized in that: the first belt in belt package is the left band bundle being connected by wire, right band Shu Zucheng; Second layer belt is the left band bundle being connected by wire, middle band bundle and the right band Shu Zucheng that is not connected with left band bundle, middle band bundle, wherein, the width of the first belt is that the width of 360mm, the second belt is that the width of 381mm, the 3rd belt is that the width of 150mm, the 4th belt is 130mm.
5. all-steel radial tyre according to claim 4, is characterized in that: the spacing of the left band bundle of the first belt, the spacing of right adjacent two steel wires with interfascicular, the left band bundle of second layer belt, middle band bundle, right adjacent two steel wires with interfascicular is 200mm.
6. all-steel radial tyre according to claim 5, is characterized in that: the left band bundle of the first belt, right band Shu Junwei 180mm, the left band bundle of second layer belt, middle band bundle, right band Shu Junwei 127mm.
7. all-steel radial tyre according to claim 4, is characterized in that: wire is steel wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139589.4A CN102642319B (en) | 2012-05-08 | 2012-05-08 | Low-cross-section wide-base all-steel radial tire forming method and all-steel radial tire |
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| CN201210139589.4A CN102642319B (en) | 2012-05-08 | 2012-05-08 | Low-cross-section wide-base all-steel radial tire forming method and all-steel radial tire |
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| CN102642319A CN102642319A (en) | 2012-08-22 |
| CN102642319B true CN102642319B (en) | 2014-07-02 |
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| CN201210139589.4A Expired - Fee Related CN102642319B (en) | 2012-05-08 | 2012-05-08 | Low-cross-section wide-base all-steel radial tire forming method and all-steel radial tire |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941779B (en) * | 2012-11-29 | 2014-12-10 | 青岛森麒麟轮胎有限公司 | Flatness ratio radial tire and manufacturing process thereof |
| CN103407331B (en) * | 2013-08-23 | 2016-01-20 | 江苏通用科技股份有限公司 | Tire belt Rotating fields |
| CN105015274A (en) * | 2015-08-05 | 2015-11-04 | 江苏通用科技股份有限公司 | Tire belted layer structure |
| CN109278477A (en) * | 2018-08-02 | 2019-01-29 | 中策橡胶集团有限公司 | The determination method of heavy-duty pneumatic tire belt structure and the belt drum shape |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250313A (en) * | 1997-03-14 | 1998-09-22 | Yokohama Rubber Co Ltd:The | Heavy duty pneumatic radial tire |
| CN1706630A (en) * | 2005-03-08 | 2005-12-14 | 天津市橡塑机械研究所有限公司 | Four-drum once forming machine for full steel wire engineering radial ply tyre |
| CN1760022A (en) * | 2004-10-15 | 2006-04-19 | 固特异轮胎和橡胶公司 | Method of manufacturing segmented belt tires |
| CN102173070A (en) * | 2010-12-28 | 2011-09-07 | 三角轮胎股份有限公司 | Flexible automatic production line type all steel wire heavy truck radial tire molding method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118306A (en) * | 1990-09-08 | 1992-04-20 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| JP5052088B2 (en) * | 2006-09-29 | 2012-10-17 | 株式会社ブリヂストン | Pneumatic tire |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250313A (en) * | 1997-03-14 | 1998-09-22 | Yokohama Rubber Co Ltd:The | Heavy duty pneumatic radial tire |
| CN1760022A (en) * | 2004-10-15 | 2006-04-19 | 固特异轮胎和橡胶公司 | Method of manufacturing segmented belt tires |
| CN1706630A (en) * | 2005-03-08 | 2005-12-14 | 天津市橡塑机械研究所有限公司 | Four-drum once forming machine for full steel wire engineering radial ply tyre |
| CN102173070A (en) * | 2010-12-28 | 2011-09-07 | 三角轮胎股份有限公司 | Flexible automatic production line type all steel wire heavy truck radial tire molding method |
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