CN214872855U

CN214872855U - Double-cavity bicycle tire mold structure

Info

Publication number: CN214872855U
Application number: CN202120778910.8U
Authority: CN
Inventors: 游泉福; 韩庚生; 陈�全
Original assignee: XIAMEN SHENGJENG MACHINERY CO Ltd
Current assignee: XIAMEN SHENGJENG MACHINERY CO Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-26
Anticipated expiration: 2031-04-16

Abstract

The utility model provides a double-cavity type bicycle tire mold structure, which comprises an upper section mold and a lower section mold, and is characterized in that the upper section mold and the lower section mold are both provided with an outer steam annular cavity and an inner steam annular cavity, the upper section mold and the lower section mold are both provided with air inlets communicated with the inner steam annular cavity and air outlets communicated with the outer steam annular cavity, and first through holes communicated with each other are arranged between the outer steam annular cavity and the inner steam annular cavity; the utility model discloses a double-chamber type bicycle tire mould structure is through all setting up outer steam ring chamber, interior steam ring chamber on upper mould and lower mould, at the whole in-process that flows of steam, because steam has flowed through the inside and outside steam ring chamber of the internal diameter of mould and external diameter two places, the heat of event steam the inside will see through the mould ironwood rapidly and conduct to whole mould.

Description

Double-cavity bicycle tire mold structure

Technical Field

The utility model relates to a tire mold's technical field, especially a double-chamber type bicycle tire mold structure.

Background

The traditional tire mold is not provided with a steam chamber, when the tire vulcanization reaction is carried out on the mold, the heat source of the mold mainly comes from a hot plate which is attached to the upper and lower back surfaces of the mold in a vulcanization machine, and the hot plate has the defects of slow heat supply and possibly insufficient heat supply, so that the temperature of the mold is slowly increased, and the vulcanization efficiency is influenced; even poor or failed vulcanization of tires due to insufficient heat supply, increased fraction defective and wasted cost in tire factories, with obvious disadvantages.

In view of the above, the present inventors have devised a dual cavity type bicycle tire mold structure, and have developed this.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

the double-cavity bicycle tire mold structure comprises an upper section mold and a lower section mold, wherein the upper section mold and the lower section mold are respectively provided with an outer steam ring cavity and an inner steam ring cavity, the upper section mold and the lower section mold are respectively provided with an air inlet communicated with the inner steam ring cavity and an air outlet communicated with the outer steam ring cavity, and first through holes communicated with each other are formed between the outer steam ring cavity and the inner steam ring cavity.

Furthermore, the air inlet is connected with the inner steam ring cavity through a second through hole.

Furthermore, a vent pipe for communicating is arranged between the second through hole and the air inlet.

Furthermore, one end of the vent pipe is connected with the air inlet, the other end of the vent pipe penetrates through the outer steam ring cavity to be connected with one end of the second through hole, and the other end of the second through hole is communicated with the inner steam ring cavity.

Furthermore, the central line of the air inlet, the central line of the first through hole and the central line of the second through hole are collinear, and the included angle between the central line of the air outlet and the central line of the air inlet ranges from 10 degrees to 15 degrees.

Further, the upper die comprises an upper die body, a first upper cover plate and a second upper cover plate; the lower mould comprises a lower mould body, a first lower cover plate and a second lower cover plate.

Further, the outer steam ring cavity is formed between the upper die body and the first upper cover plate and between the lower die body and the first lower cover plate.

Further, the inner steam ring cavity is formed between the upper die body and the second upper cover plate and between the lower die body and the second lower cover plate.

Further, inner steam ring grooves are arranged on the upper die body and the lower die body and respectively form an inner steam ring cavity with the second upper cover plate and the second lower cover plate,

furthermore, the upper die body and the lower die body are provided with the first through hole, the second through hole and the inner steam ring cavity.

The utility model discloses a double-chamber type bicycle tire mould structure is through all setting up outer steam ring chamber, interior steam ring chamber on upper mould and lower mould, at the whole in-process that flows of steam, because steam has flowed through the inside and outside steam ring chamber of the internal diameter of mould and external diameter two places, the heat of event steam the inside will see through the mould ironwood rapidly and conduct to whole mould. Therefore, the double-cavity bicycle tire mold has the characteristic of high heating speed, and the heat is quickly conducted to the tire which is subjected to the vulcanizing chemical reaction in the mold, so that the vulcanizing process of the tire in the mold is promoted, and the efficiency can be improved; meanwhile, the vulcanization defect caused by insufficient mold temperature of the mold can be prevented, the defect rate can be reduced, the cost of a tire factory is saved, and the quality is improved.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

FIG. 1 is a partial cross-sectional view of a dual cavity bicycle tire mold structure of the present invention;

FIG. 2 is a schematic view of the interior of the outer and inner steam ring cavities of the present invention;

FIG. 3 is a schematic view showing the flow of steam inside the dual chamber type bicycle tire mold structure of the present invention (wherein the arrows represent the steam flow);

fig. 4 is a schematic view showing the flow of steam inside the dual chamber type bicycle tire mold structure according to the present invention (wherein the arrows indicate the flow of steam).

Description of reference numerals:

10. a cope mold; 11. an upper die body; 12. a first upper cover plate; 13. a second upper cover plate; 20. a lower mould; 21. a lower die body; 22. a first lower cover plate; 23. a second lower cover plate; 30. an outer steam ring cavity; 40. an inner steam ring cavity; 50. an air inlet; 60. an air outlet; 70. a first through hole; 80. a second through hole; 90. a breather tube.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, a dual-cavity type bicycle tire mold structure according to a preferred embodiment of the present invention includes an upper mold 10 and a lower mold 20, wherein the upper mold 10 and the lower mold 20 are both provided with an outer steam ring cavity 30 and an inner steam ring cavity 40, the upper mold 10 and the lower mold 20 are both provided with an air inlet 50 communicated with the inner steam ring cavity 40 and an air outlet 60 communicated with the outer steam ring cavity 30, and a first through hole 70 is formed between the outer steam ring cavity 30 and the inner steam ring cavity 40.

The air inlet 50 is connected with the inner steam ring cavity 40 through a second through hole 80; a breather pipe 90 for communication is provided between the second through hole 80 and the intake port 50. One end of the vent pipe 90 is connected with the air inlet 50, the other end of the vent pipe passes through the outer steam ring cavity 30 to be connected with one end of the second through hole 80, and the other end of the second through hole 80 is communicated with the inner steam ring cavity 40.

The utility model discloses 50 central lines of air inlet, 70 central lines of first through-hole and 80 central lines collineations of second through-hole of double-chamber type bicycle tire mould structure, and the contained angle scope between 60 central lines of gas outlet and the 50 central lines of air inlet is 10-15, is convenient for realize a complete steam reflux.

The upper die 10 includes an upper die body 11, a first upper cover plate 12, and a second upper cover plate 13; the lower mold 20 includes a lower mold body 21, a first lower cover plate 22 and a second lower cover plate 23, and outer steam ring cavities 30 are formed between the upper mold body 11 and the first upper cover plate 12, and between the lower mold body 21 and the first lower cover plate 22. The upper die body 11 and the lower die body 21 are provided with a first through hole 70, a second through hole 80 and an inner steam ring cavity 40.

Inner steam ring cavities 40 are formed between the upper die body 11 and the second upper cover plate 13 and between the lower die body 21 and the second lower cover plate 23; the upper die body 11 and the lower die body 21 are both provided with inner steam ring grooves, and the inner steam ring grooves respectively form an inner steam ring cavity 40 together with the second upper cover plate 13 and the second lower cover plate 23.

The utility model discloses a theory of operation of double-chamber type bicycle tire mould structure is as follows (above section mould 10 is the example, lower mould 20 is similar, does not give unnecessary details):

first, steam first passes through the steam supply line and into the "inlet 50";

second, the steam then enters the "vent tube 90", this "vent tube 90" passing through the "outer steam ring cavity 30", and then the steam enters the "inner steam ring cavity 40" through the "second through holes 80";

thirdly, the high-temperature and high-pressure steam entering the inner steam ring cavity 40 flows in two directions under the promotion of the steam pressure, wherein the left side flows along the counterclockwise direction, and the right side flows along the clockwise direction;

fourthly, the steam flowing in the inner steam ring cavity 40 is converged in the first through hole 70 at the front side, and the steam enters the outer steam ring cavity 30 after passing through the first through hole 70;

fifthly, the steam entering the outer steam ring cavity 30 flows in two directions under the promotion of the steam pressure, wherein the left side flows along the clockwise direction, and the right side flows along the counterclockwise direction;

sixth, after flowing to "air outlet 60", it flows back to the vapor recovery line for recovery.

To sum up, the utility model discloses a double-chamber type bicycle tire mould structure is through all setting up outer steam ring chamber, interior steam ring chamber on upper die and lower section mould, at the whole in-process that flows of steam, because steam has flowed through the internal diameter of mould and the inside and outside steam ring chamber of external diameter two places, the heat of the event steam the inside will see through the mould ironwood rapidly and conduct to whole mould. Therefore, the double-cavity bicycle tire mold has the characteristic of high heating speed, and the heat is quickly conducted to the tire which is subjected to the vulcanizing chemical reaction in the mold, so that the vulcanizing process of the tire in the mold is promoted, and the efficiency can be improved; meanwhile, the vulcanization defect caused by insufficient mold temperature of the mold can be prevented, the defect rate can be reduced, the cost of a tire factory is saved, and the quality is improved.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. The utility model provides a double-chamber type bicycle tire mould structure, includes cope match-mould (10) and lower mould (20), its characterized in that, cope match-mould (10) all set up outer steam ring chamber (30) and interior steam ring chamber (40) with lower mould (20), cope match-mould (10), lower mould (20) all set up air inlet (50) with interior steam ring chamber (40) intercommunication, and all set up gas outlet (60) with outer steam ring chamber (30) intercommunication, set up first through-hole (70) of intercommunication between outer steam ring chamber (30) and interior steam ring chamber (40).

2. A double cavity type bicycle tire mold structure according to claim 1, wherein the air inlet (50) is connected to the inner steam ring cavity (40) through a second through hole (80).

3. A double cavity type bicycle tire mold structure according to claim 2, wherein a vent pipe (90) for communication is provided between the second through hole (80) and the air intake port (50).

4. A double cavity type bicycle tire mold structure according to claim 3, wherein the vent pipe (90) has one end connected to the air inlet (50) and the other end connected to one end of the second through hole (80) through the outer steam ring cavity (30), and the other end of the second through hole (80) is communicated with the inner steam ring cavity (40).

5. A double cavity type bicycle tire mold structure according to claim 3, wherein said upper mold (10) comprises an upper mold body (11), a first upper cover plate (12) and a second upper cover plate (13); the lower die (20) comprises a lower die body (21), a first lower cover plate (22) and a second lower cover plate (23).

6. A double cavity type bicycle tire mold structure according to claim 5, wherein the outer steam ring cavity (30) is formed between the upper mold body (11) and the first upper cover plate (12), and between the lower mold body (21) and the first lower cover plate (22).

7. A double cavity type bicycle tire mold structure according to claim 5, wherein the inner steam ring cavity (40) is formed between the upper mold body (11) and the second upper cover plate (13) and between the lower mold body (21) and the second lower cover plate (23).

8. The mold structure for a bicycle tire with two cavities according to claim 7, wherein the upper mold body (11) and the lower mold body (21) are provided with inner steam ring grooves, and the inner steam ring grooves are respectively formed with the second upper cover plate (13) and the second lower cover plate (23) to form the inner steam ring cavity (40).

9. A double cavity type bicycle tire mold structure according to claim 5, wherein the upper mold body (11) and the lower mold body (21) are provided with the first through hole (70), the second through hole (80) and the inner steam ring cavity (40).