CN217124037U

CN217124037U - Tire curing bladder

Info

Publication number: CN217124037U
Application number: CN202221763954.4U
Authority: CN
Inventors: 赵会岩; 张凯
Original assignee: Shandong Yongyu Rubber Co ltd
Current assignee: Shandong Yongyu Rubber Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-08-05
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a vulcanize capsule technical field, specifically be a tire vulcanization capsule, including the capsule body, the internal surface of capsule body is the non-pattern structure, and the surface from the top down of capsule body is equipped with in proper order and draws and green tire central authorities child and green tire side child draws capsule upper surface, capsule central authorities and the capsule lower surface that the internal surface corresponds, and capsule upper surface and capsule lower surface all link to each other with the capsule neck through the capsule shoulder, and the internal surface of capsule shoulder and green tire side wall corresponds, the utility model has the advantages of: the design of the patterns on the surface of the capsule is novel, the heat dissipation performance of the capsule is greatly enhanced by the oblique line exhaust passage, and the attractiveness of the product is improved; the poor balance of the green tire caused by the action of gravity is reduced by adjusting the distance between the rubber blocks on the upper outer surface and the lower outer surface of the rubber bag; the design of the patterns on the surface of the rubber bag can effectively enhance the wear resistance in the using process, and the arrangement of the rubber blocks ensures that the green tire on the vulcanized rubber bag is not easy to adhere and has good demoulding effect.

Description

Tire curing bladder

Technical Field

The utility model relates to a vulcanize capsule technical field, specifically be a tire vulcanization capsule.

Background

The tire curing bladder is a bladder which is filled with air, nitrogen, superheated water and the like to support a green tire during the curing process of the tire, forms internal pressure for shaping and conducts heat, and cures the green tire from the inside. The usage environment of the tire curing bladder is very harsh, and the tire curing bladder can be subjected to large-scale flexing and co-curing for hundreds of times in a high-temperature environment of more than 180 ℃, so that various indexes of the tire curing bladder, such as tear resistance, elongation, hardness, strength, elasticity, stress at definite elongation and the like, need to reach certain standards.

The tire vulcanization capsule is used as an essential tool in the tire production process, the service life of the tire vulcanization capsule is in important relation with a formula and a production process, and the design of surface patterns of the tire vulcanization capsule also has an important influence on the service life of the tire vulcanization capsule. Improper surface pattern design may cause lateral cracking of the curing bladder early in use, affecting the service life of the curing bladder and the quality of the tire cure.

The performance requirements can be met only by changing the tension of each part of the vulcanization capsule, but the vulcanization time is prolonged and the vulcanization quality is reduced easily due to the fact that the capsule thickness is increased to adjust the capsule tension; and the capsule has poor heat dissipation, is easy to be adhered and difficult to demould in the use process, and simultaneously, because the vulcanized capsule is vertically arranged, the difference of the upper part and the lower part of the green tire is larger under the action of gravity, and the balance of the green tire is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tire vulcanization capsule balances vulcanization capsule to high tension, efficient requirement through setting up multiple decorative pattern, and concrete implementation mode is as follows:

the utility model provides a tire curing bladder, includes the capsule body, and the internal surface of capsule body is the non-pattern structure, and the surface from the top down of capsule body is equipped with in proper order and links to each other with capsule neck through capsule shoulder with capsule neck with capsule upper surface, capsule central authorities and the capsule lower surface that green child central fetal tie and green child side fetal tie internal surface correspond, capsule upper surface and capsule lower surface, and the capsule shoulder corresponds with the internal surface of green child side wall.

The capsule is characterized in that S-shaped rubber blocks are transversely arranged on the center of the capsule in a surrounding mode, the S-shaped rubber blocks are divided into an upper row and a lower row, the two rows are vertically staggered to form an inclined long groove, two V-shaped patterns are oppositely arranged at the end point of the S-shaped rubber blocks, the inclined long groove in the structure improves the heat dissipation performance of the center of the capsule, and the V-shaped patterns improve the tension of the S-shaped rubber blocks.

Evenly be equipped with a plurality of slash exhaust passages on capsule upper surface and the capsule lower surface, the slope of slash exhaust passage on the capsule upper surface is the same with the slope of slash exhaust passage on the capsule lower surface, and slash exhaust passage switches on with capsule central authorities, the capsule lower surface is including setting up the square rubber block of second and the second wave form rubber block between adjacent slash exhaust passage, slash exhaust passage one side is equipped with twice cross guide slot on the square rubber block of second in this structure, vertically be equipped with twice on the second wave form rubber block and collude the form decorative pattern, and collude and do not switch on between the form decorative pattern, cross guide slot has improved the tension size of the square rubber block of second and second wave form rubber block respectively with colluding the form decorative pattern in this structure.

The capsule upper surface glues the piece including setting up first square between adjacent slash exhaust passage and glues the piece with first wave form, and first square glue piece and first wave form glue the piece and evenly be provided with a plurality ofly along slash exhaust passage direction, the structure that the piece was glued to first square in this structure and first wave form glues the piece is the same with the structure that the piece was glued to second square and the piece is glued to the second wave form respectively, the piece is glued to first square and the piece is glued to first wave form and makes the difficult adhesion of raw child in drawing of patterns in-process, and the capsule is gone up the longitudinal separation distance between the adjacent first square glue piece and is less than the longitudinal separation distance between the adjacent square glue piece of second on the capsule lower surface, in order to reduce the upper and lower disequilibrium that the action of gravity brought.

Owing to adopted above technical scheme, the beneficial technological effect of the utility model is that:

1. the utility model has novel design of surface patterns, the oblique line exhaust passage greatly enhances the heat dispersion performance, and simultaneously improves the aesthetic property of products;

2. the utility model can reduce the poor balance of the green tire caused by the gravity by adjusting the space between the rubber blocks on the upper and lower outer surfaces of the capsule;

3. the utility model discloses the design of surface decorative pattern can effectively strengthen the wearability in the use, and the setting up of each rubber block makes the difficult adhesion of green child on the curing bladder, and demoulding effect is good.

Drawings

FIG. 1 is a cross-section of a schematic structural view of a tire curing bladder;

FIG. 2 is a schematic cross-sectional view of a flat green tire;

FIG. 3 is a schematic structural view of a tire curing bladder;

FIG. 4 is a schematic view of the lateral deployment of the tire curing bladder.

Description of reference numerals:

1. the upper surface of the capsule 2, the center of the capsule 3, the lower surface of the capsule 4, the shoulder of the capsule 5, the neck of the capsule 6, the center tire of the green tire 7, the side tire of the green tire 8, the sidewall of the green tire 9, a diagonal vent channel,

101. a first square rubber block 102, a first wave rubber block,

201. 202 parts of S-shaped rubber blocks, 203 parts of V-shaped patterns and inclined long grooves,

301. a second square rubber block 302, a second wave rubber block 303, a transverse guide groove 304 and a hook-shaped pattern.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The tire curing bladder of the present invention is described with reference to fig. 1 to 3:

the utility model provides a tire curing bladder, includes the capsule body, and the internal surface of capsule body is the non-pattern structure, and the surface from the top down of capsule body is equipped with capsule upper surface 1, capsule central authorities 2 and the capsule lower surface 3 that correspond with green tire central child and tie 6 and green tire side child and tie 7 internal surface in proper order, and capsule upper surface 1 and capsule lower surface 3 all link to each other with capsule neck 5 through capsule shoulder 4, and capsule shoulder 4 corresponds with the internal surface of green tire side wall 8.

The utility model relates to a tire curing bladder is explained in connection with fig. 4:

the S-shaped rubber blocks 201 are arranged on the center 2 of the capsule in a transversely surrounding mode, the S-shaped rubber blocks 201 are divided into an upper row and a lower row, the two rows are vertically staggered to form an inclined long groove 203, two V-shaped patterns 202 are oppositely arranged at the end points of the S-shaped rubber blocks 201, the inclined long groove 203 in the structure improves the heat dissipation performance of the center 2 of the capsule, and the V-shaped patterns 202 improve the tension of the S-shaped rubber blocks 201.

Evenly be equipped with a plurality of slash exhaust passages 9 on capsule upper surface 1 and the capsule lower surface 3, the slope of slash exhaust passage 9 on capsule upper surface 1 is the same with the slope of slash exhaust passage 9 on capsule lower surface 3, and slash exhaust passage 9 switches on with capsule central authorities 2, capsule lower surface 3 is including setting up second square rubber block 301 and the second wave glue piece 302 between adjacent slash exhaust passage 9, slash exhaust passage 9 one side is equipped with twice cross guide slot 303 on second square rubber block 301 in this structure, vertically be equipped with twice on second wave glue piece 302 and collude form decorative pattern 304, and collude and do not switch on between the form decorative pattern 304, cross guide slot 303 and collude form decorative pattern 304 have improved the tension size of second square rubber block 301 and second wave glue piece 302 respectively in this structure.

The upper surface 1 of the capsule comprises a first square rubber block 101 and a first wave-shaped rubber block 102 which are arranged between adjacent oblique line exhaust passages 9, the first square rubber block 101 and the first wave-shaped rubber block 102 are uniformly arranged in a plurality along the direction of the oblique line exhaust passages 9, the structures of the first square rubber block 101 and the first wave-shaped rubber block 102 in the structure are respectively the same as those of a second square rubber block 301 and a second wave-shaped rubber block 302, the first square rubber block 101 and the first wave-shaped rubber block 102 enable a green tire to be difficult to adhere in the demolding process, and the longitudinal distance between the adjacent first square rubber blocks 101 on the capsule is smaller than that between the adjacent second square rubber blocks 301 on the lower surface 3 of the capsule, so that the upper unbalance and the lower unbalance caused by gravity are reduced.

In the embodiment, during the use of the tire curing bladder, the upper and lower bladder necks 5 are respectively sealed and clamped, and the curing bladder is inflated to provide support for the interior of the green tire; in the inflating process, the upper surface 1 of the capsule, the center 2 of the capsule, the lower surface 3 of the capsule and the shoulder 4 of the capsule are all outwards supported, and because the longitudinal distance between the adjacent first square rubber blocks 101 on the capsule is smaller than the longitudinal distance between the adjacent second square rubber blocks 301 on the lower surface 3 of the capsule, the rubber blocks are dense, the bulging degree of the upper surface 1 of the capsule is reduced, so as to counteract the influence force of gravity, and the bulging degrees of the upper and lower outer surfaces of the vulcanized capsule are kept balanced; in the process of vulcanizing the green tire of the tire, the outer surface of the vulcanizing bladder is subjected to heat circulation through the oblique line exhaust passage 9 and the oblique long groove 203; after vulcanization, the vulcanization capsule is exhausted outwards, and the outer surface of the capsule realizes rapid demoulding through the rubber blocks and the patterns.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a tire curing bladder, including the capsule body, the internal surface of capsule body is the non-pattern structure, the surface from the top down of capsule body is equipped with in proper order and glues upper surface (1) of the capsule that corresponds with green tire central tire and glue (6) and green tire side tire and glue (7) internal surface, capsule central authorities (2) and capsule lower surface (3), capsule upper surface (1) and capsule lower surface (3) all link to each other with capsule neck (5) through capsule shoulder (4), and capsule shoulder (4) correspond with the internal surface of green tire side wall (8), its characterized in that:

s-shaped rubber blocks (201) are transversely arranged in a surrounding way in the center (2) of the capsule, the S-shaped rubber blocks (201) are divided into an upper row and a lower row, the two rows are vertically staggered to form an inclined long groove (203),

a plurality of oblique line exhaust passages (9) are uniformly formed in the upper surface (1) and the lower surface (3) of the capsule, the slope of the oblique line exhaust passages (9) in the upper surface (1) of the capsule is the same as that of the oblique line exhaust passages (9) in the lower surface (3) of the capsule, and the oblique line exhaust passages (9) are communicated with the center (2) of the capsule.

2. A tyre vulcanisation capsule according to claim 1, wherein said capsule centre (2) further comprises a V-shaped pattern (202), two V-shaped patterns (202) being respectively provided at the ends of the S-shaped blocks (201) in opposition.

3. A tyre curing bladder according to claim 2, wherein the bladder upper surface (1) comprises a first square rubber block (101) and a first wave rubber block (102) arranged between adjacent oblique line vent channels (9), and the first square rubber block (101) and the first wave rubber block (102) are uniformly arranged in plurality along the oblique line vent channels (9).

4. A tyre curing bladder according to claim 3, wherein the bladder lower surface (3) comprises a second square rubber block (301) and a second wave rubber block (302) arranged between adjacent diagonal vent ducts (9), and the second square rubber block (301) and the second wave rubber block (302) are of the same structure as the first square rubber block (101) and the first wave rubber block (102), respectively.

5. A tire curing bladder according to claim 4, wherein two transverse guide grooves (303) are formed on one side of the oblique line exhaust passage (9) of the second square rubber block (301), two hook-shaped patterns (304) are longitudinally formed on the second wave-shaped rubber block (302), and the hook-shaped patterns (304) are not communicated with each other.

6. A tyre curing bladder according to claim 5 wherein the longitudinal spacing between adjacent first square blocks (101) on the bladder is less than the longitudinal spacing between adjacent second square blocks (301) on the lower bladder surface (3).