CN104385649A - Preparation method for tire tread with no buffer cord layer - Google Patents
Preparation method for tire tread with no buffer cord layer Download PDFInfo
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- CN104385649A CN104385649A CN201410487753.XA CN201410487753A CN104385649A CN 104385649 A CN104385649 A CN 104385649A CN 201410487753 A CN201410487753 A CN 201410487753A CN 104385649 A CN104385649 A CN 104385649A
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- preparation
- lower floor
- gum layer
- tyre
- cushion gum
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Abstract
The present invention discloses a preparation method for the tire tread with no buffer cord layer. The preparation method adopts the duplex extruded dual compound tread method to prepare the tire tread, and specifically comprises: forming the adhering rubber sheet from the lower layer buffer rubber layer through calendaring of a three-roller calendar, conveying into a rubber dipping tank to carry out uniform slurry dipping, drying through a drying device, closely compounding the obtained material and the upper layer tire tread rubber layer extruded through a cold material feeding extruder after passing through a pressing roller, cooling through a water bath tank, carrying out blow drying, weighing, and carrying out punching shear to prepare the tire tread. According to the preparation method of the present invention, the slurry dipping step of the buffer rubber layer is added, the preparation method has characteristics of simple process and easy operation, and achieves the effect of the tire tread with the buffer cord, the adhesion force between the tire tread with no buffer cord layer and the tire body is increased, the phenomenon of disengaging between the tire tread with no buffer cord layer and the cord is reduced and solved, the production cost is reduced, and the service life of the tire tread with no buffer cord layer is prolonged.
Description
Technical field
The present invention relates to a kind of preparation method of tire tread, particularly relate to a kind of preparation method not with buffering cord tyre tyre surface, belong to tire manufacturing techniques field.
Background technology
At present, in the process for making of carcass, generally be all used for increasing the adhesive force between wheel crown part tyre surface and carcass with buffering casing ply between tire tread and carcass, reduce and take turns coming to nothing between crown part tyre surface and carcass.But the tire tread with buffering casing ply can increase the cost of generation, because of energy-saving and cost-reducing, now many companies are producing some tires as small agricultural tire, light truck tyre, during the small-sized tire such as cycle tyre, between tire tread and carcass, buffering casing ply is not used in preparation process, but directly increase the adhesive force between tyre surface and carcass in tread cap bottom surface heat posted one deck cushion gum layer, although but adopt this traditional method production technique simple according to statistics, but the wheel crown part amount of coming to nothing is larger, account for 60 ~ 70% of whole tire learies, no small economic loss is caused to enterprise.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind ofly increases adhesive force between tire tread and carcass and can reduce the preparation method not with buffering cord tyre tyre surface of the phenomenon of coming to nothing between tire tread and cord.
To achieve these goals, the technical solution used in the present invention is: a kind of preparation method not with buffering cord tyre tyre surface, and the preparation of described tyre surface adopts the method for two side two pieces to prepare, and specifically comprises the following steps:
(1) upper strata tread band is extruded: insert in the extruding cavity of cold feed extruder by the sizing material of tread band, sizing material is extruded into the adhesive tape with approximate tire tread form, i.e. upper strata tread rubber, exports stand-by;
(2) lower floor's cushion gum layer extrudes: the sizing material adding cushion gum layer in the charging aperture in tri-roll press machine, and sizing material forms laminating film, i.e. lower floor's cushion gum layer after tri-roll press machine calendering;
(3) lower floor's cushion gum layer soaking paste: lower floor's cushion gum layer is delivered in the steeping vat that rubber cement is housed and carries out even soaking paste;
(4) lower floor's cushion gum layer is dried: the lower floor's cushion gum layer after soaking paste process is delivered to drying unit and carries out drying and processing;
(5) levels pressure roller compound: the lower floor's cushion gum layer after the upper strata tread band extruded and drying and processing is carried out roll process, the tight compound of two-layer glue-line after pressure roller;
(6) post processing: delivered to by composite bed in the groove of waters and cool, by drying up, weighing and die-cut rear obtained tyre surface.
Further, the hardness of described upper strata tread band is: 60-65 shore hardness, and the Akron abrasion loss of described upper strata tread band is: 0.1-0.3cm
3/ 1.61km.
Further, the thickness of described lower floor cushion gum layer is: 0.5-0.8mm, and the width of described lower floor cushion gum layer is less than the 5-10mm of width between tyre surface two tire.
Further, in described steeping vat, the key component of rubber cement is 3# smoke sheet rubber and super tackifying resin.
Further, in described steeping vat, in rubber cement, the mass fraction of component is: 3# smoke sheet rubber 100 mass parts, super tackifying resin 4-40 mass parts.
Further, in described steeping vat, the gum content of rubber cement is: 50-65%.
Further, in described steeping vat, the solvent of rubber cement is gasoline, and the concentration of rubber cement is: the mass ratio of solute and solvent is: 1:15-25.
Further, in described steeping vat, the proportion of rubber cement is: 0.7-0.9g/cm
3.
Further, the bake out temperature of described drying unit is: 30-35 DEG C.
The invention has the beneficial effects as follows: the preparation method originally not with buffering cord tyre tyre surface adds the soaking paste step of cushion gum layer, this preparation method's technique is simple, easy to operate, reach the effect of band buffering cord, add not with the adhesive force between buffering cord tyre tyre surface and carcass, and reduce and solve not with buffering cord tyre tyre surface and cord between phenomenon of coming to nothing, reduce production cost, extend not with buffering cord tyre service life.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
As shown in Figure 1, the preparation method originally not with buffering cord tyre tyre surface, the preparation of described tyre surface adopts the method for two side two pieces to prepare, and specifically comprises the following steps:
(1) upper strata tread band is extruded: insert in the extruding cavity of cold feed extruder by the sizing material of tread band, sizing material is extruded into the adhesive tape with approximate tire tread form, i.e. upper strata tread rubber, export stand-by, the hardness of obtained upper strata tread band is 60 shore hardnesses, and the Akron abrasion loss of obtained upper strata tread band is 0.1cm
3/ 1.61km;
(2) lower floor's cushion gum layer extrudes: the sizing material adding cushion gum layer in the charging aperture in tri-roll press machine, sizing material forms laminating film after tri-roll press machine calendering, i.e. lower floor's cushion gum layer, wherein the thickness of lower floor's cushion gum layer is 0.5mm, and the width of lower floor's cushion gum layer is less than the 5mm of width between tyre surface two tire;
(3) lower floor's cushion gum layer soaking paste: lower floor's cushion gum layer is delivered to key component is housed is carry out even soaking paste in the steeping vat of the rubber cement of 3# smoke sheet rubber and super tackifying resin, wherein in rubber cement, the mass fraction of each component is: 3# smoke sheet rubber 100 mass parts, super tackifying resin 4 mass parts, solvent in rubber cement is gasoline, wherein the mass flow ratio of solute and solvent is 1:15, the gum content of rubber cement is 50%, and the proportion of rubber cement is 0.7g/cm
3;
(4) lower floor's cushion gum layer is dried: the lower floor's cushion gum layer after soaking paste process is delivered to drying unit and carries out drying and processing, wherein the bake out temperature of drying unit is 30 DEG C;
(5) levels pressure roller compound: the lower floor's cushion gum layer after the upper strata tread band extruded and drying and processing is carried out roll process, the tight compound of two-layer glue-line after pressure roller;
(6) post processing: delivered to by composite bed in the groove of waters and cool, by drying up, weighing and die-cut rear obtained tyre surface.
Embodiment 2
A preparation method not with buffering cord tyre tyre surface, the preparation of described tyre surface adopts the method for two side two pieces to prepare, and specifically comprises the following steps:
(1) upper strata tread band is extruded: insert in the extruding cavity of cold feed extruder by the sizing material of tread band, sizing material is extruded into the adhesive tape with approximate tire tread form, i.e. upper strata tread rubber, export stand-by, the hardness of obtained upper strata tread band is 63 shore hardnesses, and the Akron abrasion loss of obtained upper strata tread band is 0.2cm
3/ 1.61km;
(2) lower floor's cushion gum layer extrudes: the sizing material adding cushion gum layer in the charging aperture in tri-roll press machine, sizing material forms laminating film after tri-roll press machine calendering, i.e. lower floor's cushion gum layer, wherein the thickness of lower floor's cushion gum layer is 0.7mm, and the width of lower floor's cushion gum layer is less than the 8mm of width between tyre surface two tire;
(3) lower floor's cushion gum layer soaking paste: lower floor's cushion gum layer is delivered to key component is housed is carry out even soaking paste in the steeping vat of the rubber cement of 3# smoke sheet rubber and super tackifying resin, wherein in rubber cement, the mass fraction of each component is: 3# smoke sheet rubber 100 mass parts, super tackifying resin 22 mass parts, solvent in rubber cement is gasoline, wherein the mass ratio of solute and solvent is 1:20, the gum content of rubber cement is 60%, and the proportion of rubber cement is 0.8g/cm
3;
(4) lower floor's cushion gum layer is dried: the lower floor's cushion gum layer after soaking paste process is delivered to drying unit and carries out drying and processing, wherein the bake out temperature of drying unit is 32 DEG C;
(5) levels pressure roller compound: the lower floor's cushion gum layer after the upper strata tread band extruded and drying and processing is carried out roll process, the tight compound of two-layer glue-line after pressure roller;
(6) post processing: delivered to by composite bed in the groove of waters and cool, by drying up, weighing and die-cut rear obtained tyre surface.
Embodiment 3
A preparation method not with buffering cord tyre tyre surface, the preparation of described tyre surface adopts the method for two side two pieces to prepare, and specifically comprises the following steps:
(1) upper strata tread band is extruded: insert in the extruding cavity of cold feed extruder by the sizing material of tread band, sizing material is extruded into the adhesive tape with approximate tire tread form, i.e. upper strata tread rubber, export stand-by, the hardness of obtained upper strata tread band is 65 shore hardnesses, and the Akron abrasion loss of obtained upper strata tread band is 0.3cm
3/ 1.61km;
(2) lower floor's cushion gum layer extrudes: the sizing material adding cushion gum layer in the charging aperture in tri-roll press machine, sizing material forms laminating film after tri-roll press machine calendering, i.e. lower floor's cushion gum layer, wherein the thickness of lower floor's cushion gum layer is 0.8mm, and the width of lower floor's cushion gum layer is less than the 10mm of width between tyre surface two tire;
(3) lower floor's cushion gum layer soaking paste: lower floor's cushion gum layer is delivered to key component is housed is carry out even soaking paste in the steeping vat of the rubber cement of 3# smoke sheet rubber and super tackifying resin, wherein in rubber cement, the mass fraction of each component is: 3# smoke sheet rubber 100 mass parts, super tackifying resin 40 mass parts, solvent in rubber cement is gasoline, wherein the mass ratio of solute and solvent is 1:25, the gum content of rubber cement is 65%, and the proportion of rubber cement is 0.9g/cm
3;
(4) lower floor's cushion gum layer is dried: the lower floor's cushion gum layer after soaking paste process is delivered to drying unit and carries out drying and processing, wherein the bake out temperature of drying unit is 35 DEG C;
(5) levels pressure roller compound: the lower floor's cushion gum layer after the upper strata tread band extruded and drying and processing is carried out roll process, the tight compound of two-layer glue-line after pressure roller;
(6) post processing: delivered to by composite bed in the groove of waters and cool, by drying up, weighing and die-cut rear obtained tyre surface.
A kind of preparation method not with buffering cord tyre tyre surface provided by the invention adds the soaking paste step of cushion gum layer, this preparation method's technique is simple, easy to operate, reach the effect of band buffering cord, add not with the adhesive force between buffering cord tyre tyre surface and carcass, and reduce and solve not with buffering cord tyre tyre surface and cord between phenomenon of coming to nothing, reduce production cost, extend not with buffering cord tyre service life.
Claims (9)
1. the preparation method not with buffering cord tyre tyre surface, it is characterized in that, the preparation of described tyre surface adopts the method for two side two pieces to prepare, and specifically comprises the following steps:
(1) upper strata tread band is extruded: insert in the extruding cavity of cold feed extruder by the sizing material of tread band, sizing material is extruded into the adhesive tape with approximate tire tread form, i.e. upper strata tread rubber, exports stand-by;
(2) lower floor's cushion gum layer extrudes: the sizing material adding cushion gum layer in the charging aperture in tri-roll press machine, and sizing material forms laminating film, i.e. lower floor's cushion gum layer after tri-roll press machine calendering;
(3) lower floor's cushion gum layer soaking paste: lower floor's cushion gum layer is delivered in the steeping vat that rubber cement is housed and carries out even soaking paste;
(4) lower floor's cushion gum layer is dried: the lower floor's cushion gum layer after soaking paste process is delivered to drying unit and carries out drying and processing;
(5) levels pressure roller compound: the lower floor's cushion gum layer after the upper strata tread band extruded and drying and processing is carried out roll process, the tight compound of two-layer glue-line after pressure roller;
(6) post processing: delivered to by composite bed in the groove of waters and cool, by drying up, weighing and die-cut rear obtained tyre surface.
2. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, the hardness of described upper strata tread band is: 60-65 shore hardness, and the Akron abrasion loss of described upper strata tread band is: 0.1-0.3cm
3/ 1.61km.
3. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, the thickness of described lower floor cushion gum layer is: 0.5-0.8mm, and the width of described lower floor cushion gum layer is less than the 5-10mm of width between tyre surface two tire.
4. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, in described steeping vat, the key component of rubber cement is 3# smoke sheet rubber and super tackifying resin.
5. a kind of preparation method not with buffering cord tyre tyre surface according to claim 4, it is characterized in that, in described steeping vat, in rubber cement, the mass fraction of component is: 3# smoke sheet rubber 100 mass parts, super tackifying resin 4-40 mass parts.
6. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, in described steeping vat, the gum content of rubber cement is: 50-65%.
7. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, in described steeping vat, the solvent of rubber cement is gasoline, and the concentration of rubber cement is: the mass ratio of solute and solvent is: 1:15-25.
8. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, in described steeping vat, the proportion of rubber cement is: 0.7-0.9g/cm
3.
9. a kind of preparation method not with buffering cord tyre tyre surface according to claim 1, it is characterized in that, the bake out temperature of described drying unit is: 30-35 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487753.XA CN104385649B (en) | 2014-09-22 | 2014-09-22 | A kind of preparation method without buffering cord tyre tyre surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487753.XA CN104385649B (en) | 2014-09-22 | 2014-09-22 | A kind of preparation method without buffering cord tyre tyre surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104385649A true CN104385649A (en) | 2015-03-04 |
| CN104385649B CN104385649B (en) | 2016-07-06 |
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ID=52603647
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410487753.XA Expired - Fee Related CN104385649B (en) | 2014-09-22 | 2014-09-22 | A kind of preparation method without buffering cord tyre tyre surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943652A (en) * | 2018-07-18 | 2018-12-07 | 徐州工业职业技术学院 | A kind of rubber semi-products extrusion cooling process method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03164302A (en) * | 1989-11-22 | 1991-07-16 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| CN1070866A (en) * | 1992-09-29 | 1993-04-14 | 沈阳第三橡胶厂 | A kind of production method of tire cushion |
| CN102107539A (en) * | 2009-12-23 | 2011-06-29 | 固特异轮胎和橡胶公司 | Method for forming stratified rubber articles |
-
2014
- 2014-09-22 CN CN201410487753.XA patent/CN104385649B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03164302A (en) * | 1989-11-22 | 1991-07-16 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| CN1070866A (en) * | 1992-09-29 | 1993-04-14 | 沈阳第三橡胶厂 | A kind of production method of tire cushion |
| CN102107539A (en) * | 2009-12-23 | 2011-06-29 | 固特异轮胎和橡胶公司 | Method for forming stratified rubber articles |
Non-Patent Citations (1)
| Title |
|---|
| 杨芷瑛: "介绍在胎面压出生产线中用于贴缓冲胶的几种橡胶压延设备", 《橡塑技术与装备》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943652A (en) * | 2018-07-18 | 2018-12-07 | 徐州工业职业技术学院 | A kind of rubber semi-products extrusion cooling process method |
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|---|---|
| CN104385649B (en) | 2016-07-06 |
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Effective date of registration: 20170719 Address after: 221000 Xuzhou Industrial Park, Jiawang District, Jiangsu, Xuzhou Patentee after: XUZHOU TONG FEI TYRE Co.,Ltd. Address before: 221000 Jiangsu city of Xuzhou Province in nine District Xiang Wang Road No. 1 Patentee before: XUZHOU College OF INDUSTRIAL TECHNOLOGY |
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Granted publication date: 20160706 Termination date: 20210922 |
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