阅读说明：本技术 一种快装内胎及其制作方法 (quick-mounting inner tube and manufacturing method thereof ) 是由 武国强 于 2019-11-02 设计创作，主要内容包括：本发明公开了一种快装内胎及其制作方法,涉及轮胎制造领域,为解决现有技术中的传统的定型硫化方式存在较多不稳定性的问题。所述胎体的前端面设置有型号标签,所述胎体的内表面和外表面均设置有耐磨层,所述胎体的内部设置有气门嘴,所述胎体的一侧设置有第一预制接头,所述第一预制接头的下方安装有第二预制接头,所述第一预制接头和第二预制接头的上方和下方均设置有接头线,所述第一预制接头的上方设置有第一安装块,所述第一预制接头的内部设置有缺口,所述第二预制接头的上方设置有卡扣,所述第二预制接头的下方设置有第二安装块,所述第二安装块的两侧均设置有限位杆,所述第一预制接头的前端面设置有接头粘合处。(The invention discloses quick-assembling inner tubes and a manufacturing method thereof, relates to the field of tire manufacturing, and aims to solve the problem that a traditional shaping vulcanization mode in the prior art is unstable.A model label is arranged on the front end surface of a tire body, wear-resistant layers are arranged on the inner surface and the outer surface of the tire body, an air nozzle is arranged in the tire body, a th prefabricated joint is arranged on the side of the tire body, a second prefabricated joint is arranged below the th prefabricated joint, joint lines are arranged above and below the th prefabricated joint and the second prefabricated joint, a th installation block is arranged above the th prefabricated joint, a notch is arranged in the th prefabricated joint, a buckle is arranged above the second prefabricated joint, a second installation block is arranged below the second prefabricated joint, limiting rods are arranged on two sides of the second installation block, and a joint bonding part is arranged on the front end surface of the th prefabricated joint.)

The fast-assembling inner tube of the 1, kinds, including matrix (1), characterized by that, the front end of the said matrix (1) has model labels (2), and the model label (2) is bonded with matrix (1) to connect, the inner surface and external surface of the said matrix (1) have wear-resisting layers (3), and wear-resisting layer (3) and matrix (1) fixed connection.

2. kinds of fast-assembling inner tubes according to claim 1, characterized in that the inside of the tire body (1) is provided with an air nozzle (7), and the air nozzle (7) passes through the wear-resistant layer (3) and extends to the inside of the tire body (1) to be connected with the tire body (1) in a sealing way.

3. quick assembling inner tube according to claim 1, characterized in that the side of the tire body (1) is provided with a th prefabricated joint (5), a second prefabricated joint (6) is installed below the th prefabricated joint (5), joint lines (4) are respectively arranged above and below the th prefabricated joint (5) and the second prefabricated joint (6), and the joint lines (4) are respectively arranged with the th prefabricated joint (5) and the second prefabricated joint (6) to be body structures.

4. quick-assembling inner tube according to claim 3, characterized in that a mounting block (8) is arranged above the th prefabricated joint (5), the th mounting block (8) and the th prefabricated joint (5) are arranged to be body structure, the th prefabricated joint (5) is internally provided with a notch (9), and the notch (9) and the th prefabricated joint (5) are arranged to be body structure.

5. quick-assembling inner tube according to claim 3, characterized in that a buckle (10) is arranged above the second precast joint (6), the buckle (10) and the second precast joint (6) are arranged to be body structure, a second mounting block (11) is arranged below the second precast joint (6), the second mounting block (11) and the second precast joint (6) are arranged to be body structure, both sides of the second mounting block (11) are provided with a limiting rod (12), and the limiting rod (12) passes through the second precast joint (6) and extends to the inside of the tire body (1) to be fixedly connected with the tire body (1).

6. quick-assembling inner tube according to claim 4, characterized in that the front face of the th prefabricated joint (5) is provided with joint bonding sites (13), the joint bonding sites (13) are four, and the positions of the four joint bonding sites (13) are symmetrical.

1. method for manufacturing quick-mounting inner tube, which is characterized by comprising the following steps:

, mixing the raw materials of the fast-assembled inner tube body, and mixing rubber by using different proportions of colloid raw materials according to different inner tube types;

step two: filtering the colloid after the rubber mixing is finished, and extracting high-quality raw material components;

step three: the joints on the two sides of the inner tube are prefabricated through a mould;

step four: extruding the rubber-mixed carcass through an extruder;

step five: forming the joint in a mould through cold drying and then taking out the joint;

step six: the formed joint is welded with the tire body at high temperature;

step seven: fixing, cooling and shaping the tire body welded with the joint through molds of different specifications;

step eight: heating and mixing the sizing material through measuring the stretching strength of the sizing material, injecting the mixture into a mold cavity at a temperature close to the vulcanization temperature, and vulcanizing and molding;

step nine: carrying out quality inspection on the formed finished product;

step ten: and (6) packaging and delivering out of the warehouse.

7. The method for manufacturing quick-assembling inner tubes according to claim 7, wherein in the fifth step, the prefabricated joints are manufactured by a common die pressing process, the heating temperature is hundred fifty degrees centigrade, and the heating time is four minutes.

8. The method for manufacturing fast-assembling inner tubes according to claim 7, wherein in the eighth step, the vulcanization molding adopts an injection molding process, the heating temperature is hundred seventy five degrees centigrade, and the heating time is three points and five minutes.

Technical Field

The invention relates to the technical field of tire manufacturing, in particular to quick-assembly inner tubes and a manufacturing method thereof.

Background

The inner tube is commonly called as a liner tube and is a circular elastic tube with a tire air nozzle for keeping the inner pressure of the tire, wherein the air nozzle is used for inflating and keeping the air in the inner tube at constant pressure, the inner tube has good air tightness, heat resistance, elasticity, aging resistance and smaller permanent deformation, is made of butyl rubber, the inner tube is an air-filled and vibration-reduced air-bearing container, is used for an auxiliary air-bearing container of tire inner cavities of trucks, motorcycles, bicycles and rickshaws, can be divided into a natural rubber inner tube and a butyl rubber inner tube according to main materials, and is novel product pure butyl rubber inner tubes, such as 'Baoluozhijie' pure butyl rubber inner tubes produced by Zheng Australian rubber.

The fast-assembling inner tube belongs to a strip-shaped inner tube product, annular tubular green tire products matched with a vulcanization mold cannot be completely formed during inflation and shaping, good shaping conditions are not provided, various inconveniences are caused during vulcanization and mold entry, two joints cannot be completely matched after mold entry, a vulcanized product cannot reach an ideal product appearance, and more defective products are produced, more instability exists in a traditional shaping and vulcanization mode, so that fast-assembling inner tubes and manufacturing methods thereof are urgently needed to be developed in the market to help people to solve the existing problems.

Disclosure of Invention

The invention aims to provide quick-assembling inner tubes and a manufacturing method thereof, and solves the problem that the traditional shaping vulcanization mode proposed in the background art is more unstable.

In order to achieve the purpose, the invention provides the following technical scheme that the quick-assembling inner tube comprises a tube body, wherein a model label is arranged on the front end face of the tube body and is bonded with the tube body, wear-resistant layers are arranged on the inner surface and the outer surface of the tube body and are fixedly connected with the tube body.

Preferably, the inner part of the tire body is provided with an air nozzle, and the air nozzle extends to the inner part of the tire body to be connected with the tire body in a sealing mode through the wear-resistant layer.

Preferably, an side of the tire body is provided with a prefabricated joint, a second prefabricated joint is installed below the prefabricated joint, joint lines are arranged above and below the prefabricated joint and the second prefabricated joint respectively, and the joint lines and the prefabricated joint and the second prefabricated joint are arranged to be body structures.

Preferably, a installation block is arranged above the th prefabricated joint, the th installation block and the th prefabricated joint are arranged to be in a -body structure, a notch is arranged inside the th prefabricated joint, and the notch and the th prefabricated joint are arranged to be in a -body structure.

Preferably, the top that the second was prefabricated to be connected is provided with the buckle, and the buckle sets up to body structures with the prefabricated joint of second, the below that the second was prefabricated to connect is provided with the second installation piece, and the second installation piece sets up to body structures with the prefabricated joint of second, the both sides of second installation piece all are provided with the gag lever post, and the gag lever post passes the second and prefabricates to connect and extend to inside and the matrix fixed connection of matrix.

Preferably, the front end face of the th prefabricated joint is provided with joint bonding positions, the joint bonding positions are four, and the positions of the four joint bonding positions are symmetrical.

method for manufacturing quick-mounting inner tube, comprising the following steps:

, mixing the raw materials of the fast-assembled inner tube body, and mixing rubber by using different proportions of colloid raw materials according to different inner tube types;

step two: filtering the colloid after the rubber mixing is finished, and extracting high-quality raw material components;

step three: the joints on the two sides of the inner tube are prefabricated through a mould;

step four: extruding the rubber-mixed carcass through an extruder;

step five: forming the joint in a mould through cold drying and then taking out the joint;

step six: the formed joint is welded with the tire body at high temperature;

step seven: fixing, cooling and shaping the tire body welded with the joint through molds of different specifications;

step eight: heating and mixing the sizing material through measuring the stretching strength of the sizing material, injecting the mixture into a mold cavity at a temperature close to the vulcanization temperature, and vulcanizing and molding;

step nine: carrying out quality inspection on the formed finished product;

step ten: and (6) packaging and delivering out of the warehouse.

Preferably, in the fifth step, the prefabricated joint adopts a common die pressing process, the heating temperature is hundred fifty degrees centigrade, and the heating time is four minutes.

Preferably, in the step eight, the vulcanization molding adopts an injection molding process, the heating temperature is hundred seventy five degrees centigrade, and the heating time is three points and five minutes.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the joint bonding part, the fast-assembly inner tube green tire is bonded with by using resin glue for inflation and shaping, so that the situation similar to a common inner tube inflation and shaping mode is realized, defective products are completely reduced, the adopted resin glue is high-temperature-resistant instant-dry glue, the green tire has strong bonding force during shaping, the green tire cannot be broken, the glue is volatilized at high temperature after being put into a mold for vulcanization, the bonding force is decomposed, the th prefabricated joint and the second prefabricated joint of a finished product after vulcanization can be automatically separated, the completely required requirements of the fast-assembly inner tube are met, the output of various defective products is reduced, the shaping and vulcanizing efficiency is improved, and the productivity is improved.

2. According to the fast-assembling inner tube, the th prefabricated joint and the second prefabricated joint can be assembled when a tire body is disassembled and assembled, the th prefabricated joint and the second prefabricated joint are clamped inside through the buckle, the fast-assembling inner tube is convenient to install, the th prefabricated joint and the second prefabricated joint are made of imported butyl rubber, the elasticity is good, namely the fast-assembling inner tube is convenient to disassemble, the structure is simple, the manufacture is convenient, the connection strength of the sealing sleeve and the inner tube is high through the reinforcing agent, the tackifier, the anti-aging agent, the accelerant, the anti-wear agent and high-quality raw materials, the phenomenon of fracture and air leakage cannot occur, and the whole fast-assembling inner tube is good in air tightness and long in service life.

Drawings

FIG. 1 is a schematic structural view of types of quick-assembling inner tubes of the present invention;

FIG. 2 is a schematic structural view of a th prefabricated joint of the present invention;

FIG. 3 is a schematic structural view of a second preform joint of the present invention;

fig. 4 is a schematic view of the structure of the joint bond of the present invention.

In the figure, the tire comprises a tire body 1, a tire body 2, a model label 3, a wear-resistant layer 4, a joint line 5, a th prefabricated joint 6, a second prefabricated joint 7, an air mouth 8, a th installation block 8, a notch 9, a buckle 10, a second installation block 11, a limiting rod 12, a joint bonding part 13.

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 some embodiments, not all embodiments, of the present invention .

Referring to fig. 1-4, according to embodiments of the invention, the fast-assembling inner tubes include a tire body 1, a model label 2 is disposed on a front end surface of the tire body 1, the model label 2 is bonded to the tire body 1, wear-resistant layers 3 are disposed on inner and outer surfaces of the tire body 1, the wear-resistant layers 3 are fixedly connected to the tire body 1, and stability of the tire body 1 in the tire casing is maintained by the wear-resistant layers 3.

, an air nozzle 7 is arranged inside the tire casing 1, the air nozzle 7 extends through the wear-resistant layer 3 to the inside of the tire casing 1 to be connected with the tire casing 1 in a sealing mode, and the tire casing 1 can be inflated through the air nozzle 7.

, arranging a th precast joint 5 on the side of the tire body 1, arranging a second precast joint 6 below the th precast joint 5, arranging joint lines 4 above and below the th precast joint 5 and the second precast joint 6, arranging the joint lines 4 and the th precast joint 5 and the second precast joint 6 into a body structure, and assembling the joint lines through the th precast joint 5 and the second precast joint 6.

steps are further carried out, a 0 th mounting block 8 is arranged above the th prefabricated joint 5, the th mounting block 8 and the th prefabricated joint 5 are arranged to be of a body structure, a gap 9 is arranged inside the th prefabricated joint 5, the gap 9 and the th prefabricated joint 5 are arranged to be of a body structure, the th prefabricated joint 5 and the second prefabricated joint 6 are clamped into the interior through a buckle 10, the mounting is convenient, the th prefabricated joint 5 and the second prefabricated joint 6 are both made of inlet butyl rubber, and the elasticity is good.

Step , buckle 10 is arranged above the second prefabricated joint 6, buckle 10 and the second prefabricated joint 6 are arranged to be body structure, a second installation block 11 is arranged below the second prefabricated joint 6, the second installation block 11 and the second prefabricated joint 6 are arranged to be body structure, limiting rods 12 are arranged on two sides of the second installation block 11, the limiting rods 12 penetrate through the second prefabricated joint 6 and extend to the inside of the tire body 1 and fixedly connected with the tire body 1, the position of the second prefabricated joint 6 is limited through the limiting rods 12, and stability is improved.

, the front end face of the th prefabricated joint 5 is provided with four joint bonding parts 13, the positions of the four joint bonding parts 13 are symmetrical, the adopted resin glue is high-temperature-resistant instant-dry glue, the green tire has strong bonding force during shaping, and the green tire cannot be broken.

method for manufacturing quick-mounting inner tube, comprising the following steps:

, mixing the raw materials of the fast-assembled inner tube body, and mixing rubber by using different proportions of colloid raw materials according to different inner tube types;

step two: filtering the colloid after the rubber mixing is finished, and extracting high-quality raw material components;

step three: the joints on the two sides of the inner tube are prefabricated through a mould;

step four: extruding the rubber-mixed carcass through an extruder;

step five: forming the joint in a mould through cold drying and then taking out the joint;

step six: the formed joint is welded with the tire body at high temperature;

step seven: fixing, cooling and shaping the tire body welded with the joint through molds of different specifications;

step eight: heating and mixing the sizing material through measuring the stretching strength of the sizing material, injecting the mixture into a mold cavity at a temperature close to the vulcanization temperature, and vulcanizing and molding;

step nine: carrying out quality inspection on the formed finished product;

step ten: and (6) packaging and delivering out of the warehouse.

And , in the fifth step, the prefabricated joint adopts a common die pressing process, the heating temperature is hundred fifty ℃ and the heating time is four minutes.

, in the step eight, the vulcanization molding adopts an injection molding process, the heating temperature is hundred seventy five degrees centigrade, and the heating time is three points and five minutes.

The working principle is that when the tire body 1 is disassembled and assembled, th prefabricated joints 5 and second prefabricated joints 6 can be assembled, th prefabricated joints 5 and second prefabricated joints 6 are clamped into the interior through buckles 10, the position of the second prefabricated joints 6 is limited through limiting rods 12, stability is improved, th prefabricated joints 5 and second prefabricated joints 6 are bonded at joint bonding positions 13 through glue, the adopted resin glue is high-temperature-resistant instant-dry glue, strong bonding force is achieved when a green tire is shaped, disconnection can not occur, installation is facilitated, stability of the tire body 1 in the tire casing is maintained through the wear-resistant layer 3, the th prefabricated joints 5 and the second prefabricated joints 6 both adopt inlet butyl rubber, elasticity is good, disassembly is convenient, the structure of the tire body is simple, and the tire body 1 can be inflated through an air nozzle 7.

It will thus be seen that the embodiments are illustrative and not restrictive in any respect point of view, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.