CN104924860A - All-steel radial tire steel wire ring with tough size piece layer and formula of tough size piece layer - Google Patents
All-steel radial tire steel wire ring with tough size piece layer and formula of tough size piece layer Download PDFInfo
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- CN104924860A CN104924860A CN201510329468.XA CN201510329468A CN104924860A CN 104924860 A CN104924860 A CN 104924860A CN 201510329468 A CN201510329468 A CN 201510329468A CN 104924860 A CN104924860 A CN 104924860A
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Abstract
The invention relates to an all-steel radial tire steel wire ring with a tough size piece layer and a formula of the tough size piece layer. The all-steel radial tire steel wire ring comprises a steel wire ring body and a nylon cord fabric layer. The all-steel radial tire steel wire ring is characterized in that the tough size piece layer is arranged between the steel wire ring body and the nylon cord fabric layer; the outer surface of the tough size piece layer is closely combined with the nylon cord fabric layer; the inner surface of the tough size piece layer is closely combined with the steel wire ring body. According to the all-steel radial tire steel wire ring, the tough size piece layer good in toughness is additionally arranged between the steel wire ring body and the nylon cord fabric layer, size between the steel wire ring body and the nylon cord fabric layer is increased and the material of the size piece layer has the features of being low in viscosity and mobility so that a certain thickness can be kept in the process of winding nylon cord fabric, the steel wire ring body can also be tightly wrapped, the thickness of the size outside the steel wire ring can be kept in the subsequent tire vulcanizing process, the steel wire ring is prevented from cutting the nylon cord fabric layer and a tire body steel cord, and the service life of a tire is prolonged.
Description
Technical field
The present invention relates to bead wire ring, specifically a kind of have the all-steel radial tyre bead coil of toughness film layers and the formula of toughness film layers, belongs to tire production manufacturing technology field.
Background technology
The development of existing domestic tire is more and more tending towards rationalization, and the conformability of each giant tyre producer production tooling is more and more stronger, and the production facilities of some the comparatively critical components (as carcass, bead coil, bracing ply etc.) therefore on tire is substantially similar.For bead wire ring, along with the load-carrying demand of domestic automobile is more and more higher, the all-steel radial tyre bead coil of existing structure more and more cannot catch up with load-carrying requirement.Existing all-steel radial tyre is normally formed at bead coil outer wrapping one deck nylon cord fabrics, and the sizing material outside bead coil is very thin.In addition because bead wire ring directly contacts with carcass steel cord, tire in the process of moving deformation in compression time, sizing material outside bead coil is wriggled, bead coil can be furnished with great cutting force to nylon bag, when overloading serious, nylon wire fracture in nylon infantees, if continue to use, bead coil will cut carcass steel cord further, carcass steel cord is caused to disconnect thus cause blow out (being commonly called as tire fracture of wire quick-fried), damaged tyres, cannot use, and easily accidents caused.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of and there is the all-steel radial tyre bead coil of toughness film layers and the formula of toughness film layers, described all-steel radial tyre bead coil by setting up the good toughness film layers of elasticity between bead coil body and nylon cord fabrics layer, add the sizing material of bead coil body and nylon cord fabrics interlayer, and the material of described film layers has the advantages that viscosity is low and flowing power is little, certain thickness can be kept in nylon cord fabrics winding process, can closely wrap bead coil body again, and the thickness of sizing material outside bead coil can be kept in follow-up tire vulcanization process, thus prevent bead coil in early days to the cutting of nylon cord fabrics layer and carcass steel cord, improve Using Life of Tyre.
According to technical scheme provided by the invention: the all-steel radial tyre bead coil with toughness film layers, comprise bead coil body and nylon cord fabrics layer, it is characterized in that: between described bead coil body and nylon cord fabrics layer, be provided with toughness film layers, toughness film layers outside face and nylon cord fabrics layer are combined closely, and toughness film layers inside face and bead coil body are combined closely.
As a further improvement on the present invention, the thickness of described toughness film layers is 1.1 ~ 1.3mm.
The formula of toughness film layers, is characterized in that: the finished composition of described toughness film layers comprises following component: natural rubber, 75 ~ 95 weight portions; Anti-form-1,4-polyisoprene, 15 ~ 30 weight portions; Carbon black N375,55 ~ 60 weight portions; Zinc oxide, 3 ~ 6 weight portions; Stearic acid, 2 ~ 4 weight portions; 205 resins, 2 ~ 5 weight portions; Anti-aging agent RD, 2 ~ 4 weight portions; Ceresine wax, 2 ~ 4 weight portions; Aromatic naphtha, 4 ~ 6 weight portions; Accelerant NOBS, 1 ~ 2 weight portion; Urotropinum MT, 1 ~ 2 weight portion; Insoluble sulfur powder, 4 ~ 6 weight portions; Anti-scorching agent CTP, 0.3 ~ 0.8 weight portion.
The present invention compared with prior art, have the following advantages: all-steel radial tyre bead coil of the present invention by having set up the good toughness film layers of elasticity between bead coil body and nylon cord fabrics layer, add the sizing material of bead coil body and nylon cord fabrics interlayer, and the material of described film layers has the advantages that viscosity is low and flowing power is little, certain thickness can be kept in nylon cord fabrics winding process, can closely wrap bead coil body again, and the thickness of sizing material outside bead coil can be kept in follow-up tire vulcanization process, thus prevent bead coil in early days to the cutting of nylon cord fabrics layer and carcass steel cord, improve Using Life of Tyre.
Accompanying drawing explanation
Fig. 1 is the tire bead position section drawing applying all-steel radial tyre bead coil of the present invention.
Fig. 2 is the section drawing of all-steel radial tyre bead coil in Fig. 1.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1 and Figure 2, the all-steel radial tyre bead coil with toughness film layers of the present invention forms primarily of bead coil body 1, toughness film layers 2 and nylon cord fabrics layer 3, described toughness film layers 2 is arranged between bead coil body 1 and nylon cord fabrics layer 3, toughness film layers 2 outside face and nylon cord fabrics layer 3 are combined closely, and toughness film layers 2 inside face and bead coil body 1 are combined closely.The thickness of described toughness film layers 2 is 1.1 ~ 1.3mm.
Embodiment 1 ~ embodiment 5 takes raw material according to the parts by weight proportioning shown in table 1, sizing material divides three sections to plasticate, one section is by natural rubber and anti-form-1, 4-polyisoprene is mixing under certain technological condition, leave standstill rear and zinc oxide, carbon black N375, stearic acid, aromatic naphtha, anti-aging agent RD, 205 resins, ceresine wax carries out two-stage mixing, with insoluble sulfur powder after standing certain hour, accelerant NOBS, Urotropinum MT, the last mixing one-tenth finished composition of anti-scorching agent CTP, it is 1.1 ~ 1.3mm toughness film that finished composition forms thickness through film extrusion operation, toughness film layers 2 sample is formed finally by multi-knife longitudinal.
Table 1:
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Natural rubber | 75 | 80 | 85 | 90 | 95 |
| Anti-form-1,4-polyisoprene | 25 | 20 | 15 | 10 | 5 |
| Carbon black N375 | 60 | 59 | 58 | 56 | 55 |
| Zinc oxide | 6 | 5 | 5 | 4 | 3 |
| Stearic acid | 4 | 4 | 3 | 3 | 2 |
| 205 resins | 5 | 5 | 4 | 3 | 2 |
| Anti-aging agent RD | 4 | 3 | 3 | 2 | 2 |
| Ceresine wax | 4 | 3 | 3 | 2 | 2 |
| Aromatic naphtha | 6 | 5 | 5 | 4 | 4 |
| Accelerant NOBS | 2 | 2 | 2 | 1 | 1 |
| Urotropinum MT | 1 | 1 | 1 | 2 | 2 |
| Insoluble sulfur powder | 6 | 5 | 5 | 4 | 4 |
| Anti-scorching agent CTP | 0.8 | 0.7 | 0.6 | 0.5 | 0.3 |
Toughness film layers 2 sample that embodiment 1 ~ embodiment 5 is made carry out detection experiment according to " GB/T1232 ", " GB/T9869 ", " GB/T528 ", " GB/T1689 ", " GB/T3512 ", " GB/T529 " examination criteria, its physical and mechanical properties is as shown in table 2:
Table 2:
Interpretation of result: the observed data as can be seen from table 2, the material of described toughness film layers has good toughness, viscosity is low and flowing power is little feature, certain thickness can be kept in nylon cord fabrics winding process, can closely wrap bead coil body again, and the thickness of sizing material outside bead coil can be kept in follow-up tire vulcanization process, thus prevent bead coil in early days to the cutting of nylon cord fabrics layer and carcass steel cord, improve Using Life of Tyre.
Carbon black N375 used in the present invention, anti-aging agent RD, 205 resins, ceresine wax, aromatic naphtha, accelerant NOBS, Urotropinum MT, insoluble sulfur powder and anti-scorching agent CTP all can be buied from market.Be specially: carbon black N375 is purchased from Shanghai Cabot Chemical Co., Ltd.; Anti-aging agent RD is purchased from chemical plant, Nanjing; 205 resins are purchased from Hua Qi (Zhangjiagang) Chemical Co., Ltd.; Ceresine wax is purchased from Shandong Yanggu Huatai Chemical Industry Co., Ltd; Aromatic naphtha is purchased from Shanghai Lvling Special Wax Product Factory; Accelerant NOBS is purchased from chemical general factory Co., Ltd of Rongcheng City; Urotropinum MT is purchased from Yuan Tai biochemical industry Co., Ltd of Taiyuan City; Insoluble sulfur powder is purchased from Chaoyang Mingyu Chemical Co., Ltd.; Anti-scorching agent CTP is purchased from Dongying City Bo Chen chemical industry limited liability company.
Claims (3)
1. there is the all-steel radial tyre bead coil of toughness film layers, comprise bead coil body (1) and nylon cord fabrics layer (3), it is characterized in that: between described bead coil body (1) and nylon cord fabrics layer (3), be provided with toughness film layers (2), toughness film layers (2) outside face and nylon cord fabrics layer (3) are combined closely, and toughness film layers (2) inside face and bead coil body (1) are combined closely.
2. there is the all-steel radial tyre bead coil of toughness film layers as claimed in claim 1, it is characterized in that: the thickness of described toughness film layers (2) is 1.1 ~ 1.3mm.
3. the formula of toughness film layers, is characterized in that: the finished composition of described toughness film layers (2) comprises following component: natural rubber, 75 ~ 95 weight portions; Anti-form-1,4-polyisoprene, 15 ~ 30 weight portions; Carbon black N375,55 ~ 60 weight portions; Zinc oxide, 3 ~ 6 weight portions; Stearic acid, 2 ~ 4 weight portions; 205 resins, 2 ~ 5 weight portions; Anti-aging agent RD, 2 ~ 4 weight portions; Ceresine wax, 2 ~ 4 weight portions; Aromatic naphtha, 4 ~ 6 weight portions; Accelerant NOBS, 1 ~ 2 weight portion; Urotropinum MT, 1 ~ 2 weight portion; Insoluble sulfur powder, 4 ~ 6 weight portions; Anti-scorching agent CTP, 0.3 ~ 0.8 weight portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329468.XA CN104924860A (en) | 2015-06-15 | 2015-06-15 | All-steel radial tire steel wire ring with tough size piece layer and formula of tough size piece layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510329468.XA CN104924860A (en) | 2015-06-15 | 2015-06-15 | All-steel radial tire steel wire ring with tough size piece layer and formula of tough size piece layer |
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| CN104924860A true CN104924860A (en) | 2015-09-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2443864Y (en) * | 2000-10-11 | 2001-08-22 | 周明君 | Steel ring of tyre |
| EP1162087A1 (en) * | 2000-06-05 | 2001-12-12 | Sumitomo Rubber Industries Ltd. | Pmeumatic tyre |
| CN103804730A (en) * | 2014-03-06 | 2014-05-21 | 江苏通用科技股份有限公司 | All-steel radial tire tread rubber and preparation method thereof |
| CN104788751A (en) * | 2015-04-29 | 2015-07-22 | 江苏通用科技股份有限公司 | All-steel radial tire steel ring coating rubber and preparation method thereof |
| CN204774423U (en) * | 2015-06-15 | 2015-11-18 | 江苏通用科技股份有限公司 | All steel radial tire steel wire winding with toughness film layer |
-
2015
- 2015-06-15 CN CN201510329468.XA patent/CN104924860A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162087A1 (en) * | 2000-06-05 | 2001-12-12 | Sumitomo Rubber Industries Ltd. | Pmeumatic tyre |
| CN2443864Y (en) * | 2000-10-11 | 2001-08-22 | 周明君 | Steel ring of tyre |
| CN103804730A (en) * | 2014-03-06 | 2014-05-21 | 江苏通用科技股份有限公司 | All-steel radial tire tread rubber and preparation method thereof |
| CN104788751A (en) * | 2015-04-29 | 2015-07-22 | 江苏通用科技股份有限公司 | All-steel radial tire steel ring coating rubber and preparation method thereof |
| CN204774423U (en) * | 2015-06-15 | 2015-11-18 | 江苏通用科技股份有限公司 | All steel radial tire steel wire winding with toughness film layer |
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Application publication date: 20150923 |