阅读说明：本技术 一种轮胎承压自补工艺 (Pressure-bearing self-repairing process for tire ) 是由 梁志强 郭志旭 梁军 于 2020-11-20 设计创作，主要内容包括：本发明公开了一种轮胎承压自补工艺,包括如下步骤：步骤1：将成型机机头由原来的平面设计改为梯形槽设计；步骤2：在梯形槽上放至底层密封胶层,然后在密封胶层上放自修补胶层,把梯形槽填满和原有的成型机机头一致即形成平面；步骤3：然后放密封胶层和帘线,并在两侧设置钢丝进行翻包,翻包后左右下压轮由中间往两侧进行压实,形成带自补胶层的胎胚。本发明通过改造成型机机头和硫化风胎,即可实现自修补胶层和胎胚的组合,且不改变轮胎内部结构,使得轮胎在使用期限内保持自修补功能,软体自修补胶不脱层,不结团,不影响轮胎的均匀性,且本发明工艺简单方便,适用于工业化应用。(The invention discloses a pressure-bearing self-repairing process for a tire, which comprises the following steps: step 1: the original plane design of the head of the forming machine is changed into a trapezoidal groove design; step 2: placing a sealing adhesive layer on the bottom layer on the trapezoidal groove, then placing a self-repairing adhesive layer on the sealing adhesive layer, and filling the trapezoidal groove to be consistent with the original forming machine head to form a plane; and step 3: and then placing the sealing glue layer and the cord thread, arranging steel wires on two sides for turning, and compacting the left and right lower pressing wheels from the middle to two sides after turning to form a tire blank with a self-repairing glue layer. The invention can realize the combination of the self-repairing glue layer and the tire blank by reforming the machine head of the forming machine and the vulcanized air tire, and does not change the internal structure of the tire, so that the tire keeps the self-repairing function in the service life, and the soft self-repairing glue does not delaminate, agglomerate and influence the uniformity of the tire.)

1. A pressure-bearing self-repairing process for a tire is characterized by comprising the following steps:

step 1: the original plane design of the head of the forming machine is changed into a trapezoidal groove design;

step 2: placing a sealing adhesive layer on the bottom layer on the trapezoidal groove, then placing a self-repairing adhesive layer on the sealing adhesive layer, and filling the trapezoidal groove to be consistent with the original forming machine head to form a plane;

and step 3: then placing a sealing glue layer and a cord thread, arranging steel wires on two sides for turning, and compacting left and right lower pressing wheels from the middle to two sides after turning to form a tire blank with a self-repairing glue layer;

and 4, step 4: and (3) mounting the prepared tire blank on a vulcanizing machine, and vulcanizing the tire blank with the self-adhesive-repairing layer to prepare the puncture-proof tire.

2. The tire pressure-bearing self-repairing process according to claim 1, characterized in that: in the step 2, the thickness of the self-repairing glue layer is 5-10 mm.

3. The tire pressure-bearing self-repairing process according to claim 1, characterized in that: and 3, rolling the left and right lower pressing wheels after the turning and wrapping cords so that the pressing wheels do not press the self-repairing glue layer, automatically rotating the pressing wheels to the middle position of the machine head, namely the upper tire surface, and then compacting the left and right pressing wheels from the middle to two sides to achieve the purposes of internal lamination and edge part pressing and exhausting.

4. The tire pressure-bearing self-repairing process according to claim 1, characterized in that: and 4, transforming the vulcanized air tire when vulcanizing the tire blank with the self-repairing rubber layer, so that the original circular arc design of the vulcanized air tire is changed into a concave circular arc design, and the self-repairing rubber layer on the tire blank cannot influence the use due to the fact that the internal structure of the tire is damaged by the pressurization of the air tire during vulcanization.

5. The tire pressure-bearing self-repairing process according to claim 1, characterized in that: in step 4, the vulcanization temperature during vulcanization is 150 ℃ to 170 ℃.

6. The tire pressure-bearing self-repairing process according to claim 1, characterized in that: in the step 4, the vulcanization time is 35-55 minutes.

Technical Field

The invention relates to the technical field of tire processing, in particular to a tire pressure-bearing self-repairing process.

Background

The tire is one of the most important components on a vehicle, and mainly has the following functions: supporting the entire weight of the vehicle and bearing the load of the vehicle; the traction and braking torque force is transmitted, and the adhesion between the wheels and the road surface is ensured; the tire has the advantages that the vibration and impact force of the vehicle during running are reduced and absorbed, severe vibration and early damage to vehicle parts are prevented, the tire is suitable for high-speed performance of the vehicle, noise during running is reduced, running safety, operation stability, comfortableness and energy-saving economy are guaranteed, the tire has high bearing performance, traction performance and buffering performance, and meanwhile, high wear resistance and flexibility resistance, low rolling resistance and low heat generation are required.

In the running process of a vehicle, the phenomenon that the vehicle cannot run normally due to the fact that a tire is punctured is inevitable, most of the conventional tires do not have a self-repairing function, a special maintenance shop is needed, the repairing process is complicated, the service life of the repaired tire is greatly shortened, and the use cost of the tire of a user is increased; moreover, some tires with self-repairing structures can change the internal structure of the tire, so that the overall stability of the tire is poor, the normal use of the tire is affected, and improvement is needed.

Disclosure of Invention

The invention aims to provide a pressure-bearing self-repairing process for a tire, which aims to solve the technical problem.

In order to solve the technical problems, the invention adopts the following technical scheme: a pressure-bearing self-repairing process for a tire comprises the following steps:

step 1: the original plane design of the head of the forming machine is changed into a trapezoidal groove design;

step 2: placing a sealing adhesive layer on the bottom layer on the trapezoidal groove, then placing a self-repairing adhesive layer on the sealing adhesive layer, and filling the trapezoidal groove to be consistent with the original forming machine head to form a plane;

and step 3: then placing a sealing glue layer and a cord thread, arranging steel wires on two sides for turning, and compacting left and right lower pressing wheels from the middle to two sides after turning to form a tire blank with a self-repairing glue layer;

and 4, step 4: and (3) mounting the prepared tire blank on a vulcanizing machine, and vulcanizing the tire blank with the self-adhesive-repairing layer to prepare the puncture-proof tire.

Preferably, in step 2, the thickness of the self-repairing glue layer is 5-10 mm.

Preferably, in step 3, the left and right lower pressing wheels roll over the turned-over cord and then retract the pressing wheels, so that the pressing wheels do not press the self-repairing glue layer, the pressing wheels automatically rotate to the middle position of the machine head, namely the upper tire surface, and then the left and right pressing wheels are compacted from the middle to the two sides, and the purposes of internal lamination and edge pressing exhaust are achieved.

Preferably, in the step 4, the vulcanization air tire is modified when the tire blank with the self-repairing rubber layer is vulcanized, so that the original circular arc design of the vulcanization air tire is changed into the concave circular arc design, and the self-repairing rubber layer on the tire blank cannot be damaged due to the pressurization of the air tire during vulcanization to influence the use of the tire.

Preferably, in the step 4, the vulcanization temperature is 150 ℃ to 170 ℃.

Preferably, in step 4, the vulcanization time is 35 to 55 minutes.

The invention has the beneficial effects that:

the invention can realize the combination of the self-repairing glue layer and the tire blank by reforming the machine head of the forming machine and the vulcanized air tire, and does not change the internal structure of the tire, so that the tire keeps the self-repairing function in the service life, and the soft self-repairing glue does not delaminate, agglomerate and influence the uniformity of the tire.

Drawings

FIG. 1 is a schematic view of an improved head of a molding machine of the present invention;

fig. 2 is a schematic structural diagram of the improved wind tire of the invention.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-2, a tire pressure-bearing self-repairing process comprises the following steps:

step 1: the original plane design of the head of the forming machine is changed into a trapezoidal groove design;

step 2: placing a sealing adhesive layer on the bottom layer on the trapezoidal groove, then placing a self-repairing adhesive layer on the sealing adhesive layer, and filling the trapezoidal groove to be consistent with the original forming machine head to form a plane, wherein the thickness of the self-repairing adhesive layer is 8 mm;

and step 3: then placing a sealing glue layer and a cord thread, arranging steel wires on two sides for turning, and compacting left and right lower pressing wheels from the middle to two sides after turning to form a tire blank with a self-repairing glue layer; wherein, control the lower pinch roller and cross the take-up pulley behind the package cord of turning over for the pinch roller does not press the self-repair glue film, and the pinch roller is automatic to be rotated to the intermediate position-the tread of aircraft nose, then control the pinch roller and carry out the compaction to both sides by the centre, reach inside laminating, the carminative purpose of limit portion pressfitting, carry out the child embryo preparation of taking the self-repair glue film, combine to make child embryo and cord do not carry out the secondary expansion like this, can not lead to the fact the destruction because of increasing the self-repair glue film to child embryo inner structure.

And 4, step 4: the manufactured tire is arranged on a vulcanizing machine, and the tire blank with the self-repairing rubber layer is vulcanized to manufacture the puncture-proof tire, wherein the vulcanization air tire is transformed when the tire blank with the self-repairing rubber layer is vulcanized, so that the original circular arc design of the vulcanization air tire is changed into the concave circular arc design, and meanwhile, the self-repairing rubber layer on the tire blank cannot be damaged due to the pressurization of the air tire during vulcanization to influence the use; in the vulcanization process, the vulcanization temperature is 150 ℃ and the vulcanization time is 55 minutes.

Example 2

As shown in fig. 1-2, a tire pressure-bearing self-repairing process comprises the following steps:

step 1: the original plane design of the head of the forming machine is changed into a trapezoidal groove design;

step 2: placing a sealing adhesive layer on the bottom layer on the trapezoidal groove, then placing a self-repairing adhesive layer on the sealing adhesive layer, and filling the trapezoidal groove to be consistent with the original forming machine head to form a plane, wherein the thickness of the self-repairing adhesive layer is 6 mm;

and step 3: then placing a sealing glue layer and a cord thread, arranging steel wires on two sides for turning, and compacting left and right lower pressing wheels from the middle to two sides after turning to form a tire blank with a self-repairing glue layer; wherein, control the lower pinch roller and cross the take-up pulley behind the package cord of turning over for the pinch roller does not press the self-repair glue film, and the pinch roller is automatic to be rotated to the intermediate position-the tread of aircraft nose, then control the pinch roller and carry out the compaction to both sides by the centre, reach inside laminating, the carminative purpose of limit portion pressfitting, carry out the child embryo preparation of taking the self-repair glue film, combine to make child embryo and cord do not carry out the secondary expansion like this, can not lead to the fact the destruction because of increasing the self-repair glue film to child embryo inner structure.

And 4, step 4: the manufactured tire is arranged on a vulcanizing machine, and the tire blank with the self-repairing rubber layer is vulcanized to manufacture the puncture-proof tire, wherein the vulcanization air tire is transformed when the tire blank with the self-repairing rubber layer is vulcanized, so that the original circular arc design of the vulcanization air tire is changed into the concave circular arc design, and meanwhile, the self-repairing rubber layer on the tire blank cannot be damaged due to the pressurization of the air tire during vulcanization to influence the use; in the vulcanization process, the vulcanization temperature is 160 ℃ and the vulcanization time is 45 minutes.

Example 3

A pressure-bearing self-repairing process for a tire comprises the following steps:

step 1: the original plane design of the head of the forming machine is changed into a trapezoidal groove design;

step 2: placing a sealing adhesive layer on the bottom layer on the trapezoidal groove, then placing a self-repairing adhesive layer on the sealing adhesive layer, and filling the trapezoidal groove to be consistent with the original forming machine head to form a plane, wherein the thickness of the self-repairing adhesive layer is 10 mm;

and step 3: then placing a sealing glue layer and a cord thread, arranging steel wires on two sides for turning, and compacting left and right lower pressing wheels from the middle to two sides after turning to form a tire blank with a self-repairing glue layer; wherein, control the lower pinch roller and cross the take-up pulley behind the package cord of turning over for the pinch roller does not press the self-repair glue film, and the pinch roller is automatic to be rotated to the intermediate position-the tread of aircraft nose, then control the pinch roller and carry out the compaction to both sides by the centre, reach inside laminating, the carminative purpose of limit portion pressfitting, carry out the child embryo preparation of taking the self-repair glue film, combine to make child embryo and cord do not carry out the secondary expansion like this, can not lead to the fact the destruction because of increasing the self-repair glue film to child embryo inner structure.

And 4, step 4: the manufactured tire is arranged on a vulcanizing machine, and the tire blank with the self-repairing rubber layer is vulcanized to manufacture the puncture-proof tire, wherein the vulcanization air tire is transformed when the tire blank with the self-repairing rubber layer is vulcanized, so that the original circular arc design of the vulcanization air tire is changed into the concave circular arc design, and meanwhile, the self-repairing rubber layer on the tire blank cannot be damaged due to the pressurization of the air tire during vulcanization to influence the use; in the vulcanization process, the vulcanization temperature is 170 ℃ and the vulcanization time is 35 minutes.

In summary, the following steps: the invention can realize the combination of the self-repairing glue layer and the tire blank by reforming the machine head of the forming machine and the vulcanized air tire, and does not change the internal structure of the tire, so that the tire keeps the self-repairing function in the service life, and the soft self-repairing glue does not delaminate, agglomerate and influence the uniformity of the tire.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.