CN112373245A - Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method - Google Patents
Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method Download PDFInfo
- Publication number
- CN112373245A CN112373245A CN202011288701.1A CN202011288701A CN112373245A CN 112373245 A CN112373245 A CN 112373245A CN 202011288701 A CN202011288701 A CN 202011288701A CN 112373245 A CN112373245 A CN 112373245A
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- winding
- nylon
- steel
- nylon wire
- steel wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C2009/0035—Reinforcements made of organic materials, e.g. rayon, cotton or silk
Abstract
The invention discloses an all-steel truck radial tire bead ring winding structure and a manufacturing method, comprising the steps of obtaining a manufacturing sample; firstly, unwinding and adjusting a large roll of nylon yarn, performing gum dipping and sizing operation on a single nylon yarn, and blowing and heating; placing the unsealed nylon thread at a specific position of a unwinding frame, wherein the specific position comprises a friction roller and an unwinding roller, and the proper tension of the nylon thread is kept by adjusting the tightness degree; leading the nylon thread out and passing through a guide wheel, keeping the nylon thread to be fully impregnated, passing through a friction roller and a guide roller, and arranging a sponge roller device to adsorb the redundant hanging glue on the outer surface of the nylon thread; and after dipping the glue paste, blowing, heating and drying. And coiling the single nylon wire, and winding the single nylon wire of the steel wire ring on winding equipment in cooperation with the steel wire ring. The invention effectively solves the problem of poor stability of the steel wire ring or early tire bead damage caused by the air pocket problem of the process of the steel wire ring rubber-coated composite part, and improves the durability and the mileage life of the tire.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a steel wire ring winding structure of an all-steel truck radial tire and a manufacturing method thereof.
Background
At present, the steel wire ring winding mode of the all-steel truck radial tire usually adopts a winding cloth mode, and two types are common.
The first bead ring winding structure is characterized in that 3 rings of winding cloth with the width of 20mm are wound in a bead ring joint area, the bead ring of the winding structure is easy to loose wires and jump wires, the whole circumference of a finished bead ring is large in loose wire length, the stability of the bead ring is poor, and the tire is prone to faults such as bead ring blasting and the like, so that the service life is ended too early.
In the second steel wire ring winding structure, the winding cloth with the width of 20mm is wound on the steel wire ring for the whole circumference, and the stability of the steel wire ring is good; however, the composite part is easy to generate air pocket after being compounded with rubber coating, and the stability of the finished steel wire ring rubber coating composite part is poor due to the air pocket, so that the tire is easy to generate early tire bead failure.
The prior art has the defects that the two common steel wire ring winding structures cannot solve the problems of self stability of the steel wire ring and process air leakage of the rubber coating composite piece.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and aims to improve the self stability of the steel wire ring and improve the air trapping problem of the rubber-coated composite part so as to avoid the early tire bead failure of the tire.
In order to achieve the above purpose, a bead ring winding structure of an all-steel heavy duty radial tire and a manufacturing method thereof are adopted to solve the problems in the background art.
A manufacturing method of a steel wire ring winding structure of an all-steel truck radial tire comprises the following specific steps:
s1, obtaining a manufacturing sample;
s2, firstly, unwinding and adjusting the large-reel nylon wire, performing gum dipping operation on a single nylon wire, and blowing and heating simultaneously;
and S3, coiling the single nylon wire, and winding the single nylon wire of the steel wire ring on a winding device by matching with the steel wire ring.
As a further aspect of the invention: s2, firstly, unwinding and adjusting the large-reel nylon wire, and performing gum dipping operation on a single nylon wire, wherein the blowing and heating steps comprise:
s21, placing the unsealed nylon thread at a specific position of a unwinding frame, wherein the specific position comprises a friction roller and an unwinding roller, and the proper tension of the nylon thread is kept by adjusting the tightness degree;
s22, leading the nylon wire out and passing through a guide wheel, keeping the nylon wire to be fully dipped in glue and passing through a friction roller and a guide roller, and arranging a sponge roller device to absorb the redundant hanging glue on the outer surface of the nylon wire;
s23, after dipping the rubber paste, blowing, heating and drying are carried out, so that the nylon wire keeps dry on the surface after dipping the rubber paste, and the rubber paste does not adhere to the guide wheel.
As a further aspect of the invention: the concentration range of the mucilage is 11-18%, and the set temperature range of the heating and drying is 90 +/-20 ℃.
As a further aspect of the invention: the S23 is blown and heated to be dried after being dipped in the adhesive cement, so that the nylon wire keeps dry on the surface after being dipped in the adhesive cement, and the concrete steps of the guide wheel without adhering the adhesive cement include:
s31, arranging a single nylon wire on a straight line of the winding reel and the threading guide wheel, and automatically winding the winding reel;
and S32, winding the steel wire ring and the single nylon wire on winding equipment to meet the winding requirement of the steel wire ring.
As a further aspect of the invention: the speed of the single nylon wire automatically coiled on the winding reel can be adjusted in real time, and the speed is set to be 6 m/min.
As a further aspect of the invention: the compression roller of the winding equipment is made of polyurethane, and the air pressure range of the compression roller is 0.15-0.2 MPa.
A steel wire ring winding structure of an all-steel load-bearing radial tire comprises a steel wire ring, wherein a nylon wire is arranged at a joint of the steel wire ring, and the nylon wire is provided with a mucilage coating.
As a further aspect of the invention: the steel wire ring adopts a regular hexagonal structure or an inclined hexagonal structure.
As a further aspect of the invention: the mucilage proportion of the mucilage coating is that the mucilage is 12 percent of sizing material, 87.3 percent of 120# gasoline and 0.7 percent of tackifier resin.
As a further aspect of the invention: the width of the joint is 300mm, and the distance between the nylon wires is 3.5 mm.
Compared with the prior art, the invention has the following technical effects: by adopting the technical scheme, the steel wire ring with a regular hexagonal or inclined hexagonal structure is adopted, new mucilage is coated on the joint area of the steel wire ring, and single nylon wire is coated with mucilage. The single nylon wire is adopted to dip new mucilage, and the single nylon wire and the steel wire ring have strong viscosity after full dipping; meanwhile, the stability of the steel wire ring is optimal in a winding form of a semi-finished product with the diameter of 300mm multiplied by 3.5mm, and the variation of the finished steel wire ring in a wire scattering area is minimum. The problem of steel wire ring self stability and rubber coating composite piece technology nest of qi is solved.
Drawings
The following detailed description of embodiments of the invention refers to the accompanying drawings in which:
FIG. 1 is a block flow diagram of a method of manufacturing a tire bead ring winding construction as disclosed herein;
fig. 2 is a schematic structural diagram of a tire bead ring winding structure disclosed in the present invention.
In the figure: 1. a bead ring; 2. a nylon thread; 3. and (4) coating the adhesive cement.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, in an embodiment of the present invention, an all-steel radial truck tire bead ring winding structure includes a bead ring 1, a nylon wire 2, and a rubber coating 3.
The steel wire ring 1 and the joint area of the steel wire ring 1 are wound with a nylon wire 2, and the nylon wire is provided with a mucilage coating 3. Wherein, the steel wire ring 1 adopts a regular hexagonal structure or an inclined hexagonal structure. The mucilage proportion of the mucilage coating is that the mucilage is 12 percent of sizing material, 87.3 percent of 120# gasoline and 0.7 percent of tackifier resin. The width of the joint is 300mm, and the distance between the single nylon wires 2 is 3.5 mm.
Referring to fig. 1, a method for manufacturing a bead ring winding structure of an all-steel heavy-duty radial tire includes the following specific steps:
and S1, obtaining a manufacturing sample, and preparing or customizing and purchasing the product according to the actual situation of the actual production operation.
S2, firstly, unwinding and adjusting the large-reel nylon wire, and performing gum dipping operation on a single nylon wire, wherein the blowing and heating steps are as follows:
the large-roll nylon thread after being unsealed is placed at a specific position of the unwinding frame, and the proper tension of the nylon thread is kept by adjusting the tightness degree. The nylon thread is led out and passes through the guide wheel, the nylon thread is kept to be fully impregnated and passes through the friction roller and the leading-out roller, and a sponge roller device is arranged to adsorb redundant hanging glue on the outer surface of the nylon thread. And after the rubber cement is dipped, blowing, heating and drying are carried out, so that the nylon wire keeps dry on the surface after the rubber cement is dipped, and the rubber cement is not stuck on the guide wheel. The concentration range of the mucilage is 11-18%, the set temperature range of the heating and drying is 90 +/-20 ℃, and the specific position comprises a friction roller and a guide-out roller.
S3, coiling the single nylon wire, and winding the single nylon wire of the steel wire ring on a winding device by matching with the steel wire ring, wherein the concrete steps of the coiling of the single nylon wire of the steel wire ring on the winding device comprise:
arranging a single nylon wire on a straight line of the winding reel and the threading guide wheel, and automatically winding the winding reel; and winding the steel wire ring and the single nylon wire on winding equipment to meet the winding requirement of the steel wire ring.
The speed of the single nylon wire automatically coiled on the winding reel can be adjusted in real time, and the speed is set to be 6 m/min. The compression roller of the winding equipment is made of polyurethane, and the air pressure range of the compression roller is 0.15-0.2 MPa.
The steel wire ring winding structure has the beneficial effects that:
can ensure that the stability of the steel wire ring is excellent and the variation of the finished steel wire ring in the wire scattering area is small. The problem of stability of the steel wire ring and air pocket of the process of the rubber coating composite piece is well solved. The novel single nylon wire winding manufacturing process is adopted, the automatic tire bead winding device has the characteristic of high automation degree, and meanwhile, the technical scheme of the invention can effectively solve the problem that the stability of the steel wire ring is poor or the early tire bead damage is caused by the process air-trapping problem of the steel wire ring rubber-coated composite part, thereby improving the durability of the tire and prolonging the mileage life.
The following are examples of the manufacturing method of the bead ring winding structure disclosed in the present invention:
unwinding a large-coil nylon wire: the nylon thread after unsealing is placed at the designated position of the opening guiding frame and comprises a friction roller and an opening guiding roller, the proper tension of the nylon thread is kept by adjusting the tightness degree, and the nylon thread is prevented from continuously rotating when the machine is stopped, so that the nylon thread is loosened. The unwinding tension ensures that the cord is straightened and does not wrinkle, and the cord reel and the reel do not slide relatively;
dipping single nylon thread into mucilage: the nylon wire is led out and passes through a designated guide wheel. Ensuring that the nylon thread penetrates through the roller in a full gum dipping way, the concentration of the mucilage is optimal, the error difference is-1 to +6 percent, and a felt device comprising a sponge roller is used for adsorbing the redundant hanging gum on the outer surface of the nylon thread;
blowing and heating after slurry soaking: blowing, heating and drying to dry the surface of the dipped nylon wire, wherein the guide wheel is not adhered with mucilage, the heating and drying temperature is set to be 90 +/-20 ℃, and the heating device can be synchronously started and stopped with winding equipment;
coiling the single wire, namely, the positions of a winding reel and a threading guide wheel are correspondingly arranged on a straight line, the winding reel automatically coils, and the speed of 6m/min is most suitable to be set on the basis of ensuring the nylon wire to be rubberized, dried and free of adhesion;
and (3) winding the single nylon wire of the steel wire ring, namely finishing the single winding requirement of the steel wire ring on winding equipment, wherein the material of the compression roller is polyurethane, and the air pressure of the compression roller is most preferably 0.15 to 0.2 MPa. The winding equipment comprises an operation screen, a base, a winding wheel, a winding device and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the invention.
Claims (10)
1. A manufacturing method of a bead ring winding structure of an all-steel heavy-duty radial tire is characterized by comprising the following steps:
s1, obtaining a manufacturing sample;
s2, firstly, unwinding and adjusting the large-reel nylon wire, performing gum dipping operation on a single nylon wire, and blowing and heating simultaneously;
and S3, coiling the single nylon wire, and winding the single nylon wire of the steel wire ring on a winding device by matching with the steel wire ring.
2. The method for manufacturing the bead ring winding structure of the all-steel heavy-duty radial tire according to claim 1, wherein the step S2 comprises the steps of firstly guiding and adjusting the large-reel nylon wire, and performing a dipping operation on the single nylon wire, and simultaneously blowing and heating the nylon wire, wherein the step S comprises the following steps:
s21, placing the unsealed nylon thread at a specific position of a unwinding frame, wherein the specific position comprises a friction roller and an unwinding roller, and the proper tension of the nylon thread is kept by adjusting the tightness degree;
s22, leading the nylon wire out and passing through a guide wheel, keeping the nylon wire to be fully dipped in glue and passing through a friction roller and a guide roller, and arranging a sponge roller device to absorb the redundant hanging glue on the outer surface of the nylon wire;
s23, after dipping the rubber paste, blowing, heating and drying are carried out, so that the nylon wire keeps dry on the surface after dipping the rubber paste, and the rubber paste does not adhere to the guide wheel.
3. The manufacturing method of the bead ring winding structure of the all-steel heavy-duty radial tire according to claim 2, wherein the concentration range of the rubber cement is 11% -18%, and the heating and drying set temperature range is 90 ± 20 ℃.
4. The manufacturing method of the steel wire ring winding structure of the all-steel heavy-duty radial tire as claimed in claim 1, wherein the step of S23 is performed with air blowing, heating and drying after dipping in rubber cement, so that the nylon wire keeps dry on the surface after dipping in rubber cement, and the concrete steps of not sticking the rubber cement on the guide wheel include:
s31, arranging a single nylon wire on a straight line of the winding reel and the threading guide wheel, and automatically winding the winding reel;
and S32, winding the steel wire ring and the single nylon wire on winding equipment to meet the winding requirement of the steel wire ring.
5. The method for manufacturing a bead ring winding structure of an all-steel heavy-duty radial tire according to claim 4, wherein the speed of the single nylon wire automatically wound on the winding reel can be adjusted in real time, and the speed is set to 6 m/min.
6. The method for manufacturing the bead ring winding structure of the all-steel heavy-duty radial tire according to claim 4, wherein the pressure roller of the winding device is made of polyurethane, and the air pressure of the pressure roller is in a range of 0.15 to 0.2 MPa.
7. The steel wire ring winding structure of the all-steel load-bearing radial tire is characterized by comprising a steel wire ring, wherein a nylon wire is arranged at the joint of the steel wire ring, and the nylon wire is provided with a rubber cement coating.
8. The all-steel heavy-duty radial tire bead ring winding structure according to claim 7, wherein said bead ring adopts a regular hexagonal or an inclined hexagonal structure.
9. The all-steel heavy-duty radial tire bead ring winding structure according to claim 7, wherein the cement proportion of the cement coating is 12% of the cement, 87.3% of 120# gasoline and 0.7% of tackifier resin.
10. The all-steel heavy-duty radial tire bead wire ring winding structure according to claim 7, wherein the width at the joint is 300mm, and the pitch of said nylon wires is 3.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288701.1A CN112373245A (en) | 2020-11-17 | 2020-11-17 | Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288701.1A CN112373245A (en) | 2020-11-17 | 2020-11-17 | Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method |
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| Publication Number | Publication Date |
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| CN112373245A true CN112373245A (en) | 2021-02-19 |
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| CN202011288701.1A Pending CN112373245A (en) | 2020-11-17 | 2020-11-17 | Steel wire ring winding structure of all-steel load-bearing radial tire and manufacturing method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004142478A (en) * | 2002-10-21 | 2004-05-20 | Bridgestone Corp | Steel radial tire and its manufacturing method |
| CN101077685A (en) * | 2007-06-28 | 2007-11-28 | 双星集团有限责任公司 | Inflatable pneumatic tyre |
| CN101342791A (en) * | 2008-08-21 | 2009-01-14 | 山东银宝轮胎集团有限公司 | Giant engineering tyre wire loop cloth-package winding machine |
| CN102397963A (en) * | 2010-09-15 | 2012-04-04 | 山东玲珑轮胎股份有限公司 | Wrapping cloth winding process for tyre bead ring |
| CN103407813A (en) * | 2013-08-06 | 2013-11-27 | 杭州中策橡胶有限公司 | Opening guiding machine for nylon wrapping fabrics of tires |
| CN203945921U (en) * | 2014-04-16 | 2014-11-19 | 湖北奥莱斯轮胎有限公司 | All steel load radial tyre circle bead coil |
| CN206106825U (en) * | 2016-07-29 | 2017-04-19 | 通力轮胎有限公司 | Tubeless all steel radial tire toe mouth structure |
| JP2017190125A (en) * | 2016-04-12 | 2017-10-19 | ハンコック タイヤ カンパニー リミテッド | Tubeless tire having reinforced bead portion |
| CN108839516A (en) * | 2018-09-10 | 2018-11-20 | 江苏通用科技股份有限公司 | All-steel load-bearing radial tire protects bead structure |
-
2020
- 2020-11-17 CN CN202011288701.1A patent/CN112373245A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004142478A (en) * | 2002-10-21 | 2004-05-20 | Bridgestone Corp | Steel radial tire and its manufacturing method |
| CN101077685A (en) * | 2007-06-28 | 2007-11-28 | 双星集团有限责任公司 | Inflatable pneumatic tyre |
| CN101342791A (en) * | 2008-08-21 | 2009-01-14 | 山东银宝轮胎集团有限公司 | Giant engineering tyre wire loop cloth-package winding machine |
| CN102397963A (en) * | 2010-09-15 | 2012-04-04 | 山东玲珑轮胎股份有限公司 | Wrapping cloth winding process for tyre bead ring |
| CN103407813A (en) * | 2013-08-06 | 2013-11-27 | 杭州中策橡胶有限公司 | Opening guiding machine for nylon wrapping fabrics of tires |
| CN203945921U (en) * | 2014-04-16 | 2014-11-19 | 湖北奥莱斯轮胎有限公司 | All steel load radial tyre circle bead coil |
| JP2017190125A (en) * | 2016-04-12 | 2017-10-19 | ハンコック タイヤ カンパニー リミテッド | Tubeless tire having reinforced bead portion |
| CN206106825U (en) * | 2016-07-29 | 2017-04-19 | 通力轮胎有限公司 | Tubeless all steel radial tire toe mouth structure |
| CN108839516A (en) * | 2018-09-10 | 2018-11-20 | 江苏通用科技股份有限公司 | All-steel load-bearing radial tire protects bead structure |
Non-Patent Citations (1)
| Title |
|---|
| 杨顺根: "汽车轮胎生产基本工艺(三)", 《橡塑技术与装备》 * |
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Application publication date: 20210219 |
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