KR19990016045U - Structure of Bladder Mold for Tire Vulcanization - Google Patents
Structure of Bladder Mold for Tire Vulcanization Download PDFInfo
- Publication number
- KR19990016045U KR19990016045U KR2019970029429U KR19970029429U KR19990016045U KR 19990016045 U KR19990016045 U KR 19990016045U KR 2019970029429 U KR2019970029429 U KR 2019970029429U KR 19970029429 U KR19970029429 U KR 19970029429U KR 19990016045 U KR19990016045 U KR 19990016045U
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- South Korea
- Prior art keywords
- mold
- bladder
- core
- air
- vent unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
- B29L2022/025—Bladders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
본 고안은 타이어 가류용 블래더 몰드의 구조에 관한 것으로, 블래더(8)가 몰드 내에서 성형될 때 몰드내에 잔류하는 에어가; 블래더(7)의 코어몰드(5)에 벤트유니트(1)를 설치하고 이들을 공기배출유도관(2)으로 연결함으로써 성형고무가 블래더(8) 성형을 위해 플로어(Flow) 될 때 벤트유니트(1)를 통하여 공기배출유도관(2)을 따라 몰드 밖으로 배출되므로 성형되어지는 블래더(8) 내에 기포가 발생되지않도록 된 것이다.The present invention relates to a structure of a bladder mold for tire vulcanization, wherein air remaining in the mold when the bladder 8 is molded in the mold; The vent unit 1 is installed in the core mold 5 of the bladder 7 by connecting the vent unit 1 to the air discharge induction pipe 2 so that the molding rubber flows to form the bladder 8. It is discharged out of the mold along the air discharge induction pipe (2) through (1) so that bubbles are not generated in the bladder (8) to be molded.
Description
본 고안은 타이어 가류용 블래더 몰드의 구조에 관한 것으로, 특히 블래더의 코어몰드에 벤트유니트를 설치하고 이들을 공기배출유도관으로 연결함으로써 고무가 블래더 성형을 위해 플로우(Flow) 될 때 벤트유니트를 통하여 공기 배출 유도관로를 따라 몰드 밖으로 배출되므로 블래더 내에 기포가 발생되지않도록 된 타이어 가류용 블래더 몰드의 구조에 관한것이다.The present invention relates to a structure of a bladder mold for tire vulcanization, and in particular, by installing a vent unit in the core mold of the bladder and connecting them to the air discharge guide pipe, the vent unit when the rubber is flowed for forming the bladder. It relates to the structure of the tire vulcanizing bladder mold so that no bubbles are generated in the bladder is discharged out of the mold along the air discharge induction pipe through.
주지된바와 같이, 일반적으로, 타이어는 고무, 카본블랙, 유황 및 기타 고무용 약품을 혼합한 배합고무를 압출하거나, 이 배합고무를 코드, 비드와이어 등에 토핑(Topping)하는 압연공정을 거쳐 재단된 여러 가지 반제품을 조합하는 성형공정을 거쳐 그린케이스라는 생타이어가 제조되는데, 이 생타이어는 몰드에 넣고 열과 압력을 가하여 일정시간이 경과하면 배합되어 있던 고무와 유황이 반응하여 고무 분자간에 강력하고 견고한 결합이 일어나 탄성 및 인장강도를 증대시키고 각 약품 및 온도에 대한 내성을 가지는 타이어로 완성되는데 이 가류공정에서 사용되는 기계를 가류기라한다.As is well known, tires are generally cut through a rolling process that extrudes a blended rubber blended with rubber, carbon black, sulfur and other rubber chemicals, or toppings the blended rubber onto cords, bead wires, and the like. Green tires are manufactured through a molding process that combines various semi-finished products.The green tires are placed in a mold and subjected to heat and pressure, and after a certain time, the compounded rubber and sulfur react to make the rubber strong and strong between rubber molecules. Bonding takes place to increase elasticity and tensile strength and to make a tire that is resistant to each chemical and temperature. The machine used in this vulcanization process is called a vulcanizer.
상기 가류기에서는 그린케이스 내부에서 몰드측에 압력을 가함으로써 그린케이스가 타이어의 형상을 갖추게 되며, 이때 가압매체의 누출을 막고 가압매체가 그린케이스와 직접 접촉되지 않도록 하기위하여 블래더를 통하여 가압 및 가열하게된다.In the vulcanizer, the green case has a shape of a tire by applying pressure to the mold side in the green case. In this case, the green case is pressurized through a bladder to prevent leakage of the pressurized medium and prevent the pressurized medium from directly contacting the green case. Will be heated.
한편 여기에 사용하는 가류블래더를 제조하기위해서 종래에는 상기의 블래더 제조시 상하로 2분할된 몰드 사이에 압출된 슬러그(Slug)를 도우넛 형태로 성형하여 넣고 몰드를 상승시키므로 슬러그가 코어몰드와 상하몰드 사이에 고무가 채워져 블래더가 완성되는 콤프레이션프레스에 의한 제조방법과 코어 및 상하몰드가 완전히 조립되고 가압된 상태에서 코어몰드를 상단으로 부터 고무가 사출되어 몰드의 하단까지의 공간에 고무가 채워져 블래더가 완성되는 인젝션프레스에 의한 방법이 있으나 두 가지 제조방법 모두 고무의 흐름중에 발생되어지는 기포는; 블래더몰드를 가열하기위해 몰드 내부에 챔버를 가지는 스팀챔버몰드 방식이므로 몰드에 천공을 하여 배출할 수 없는 문제점이 있었다.Meanwhile, in order to manufacture the vulcanizing bladder used herein, in the manufacture of the above bladder, the slug extruded into a doughnut shape between the molds divided into two parts up and down, and the mold is raised to increase the mold. The manufacturing method by the compression press that the rubber is filled between the upper and lower molds, and the core is injected from the top of the core mold in the state in which the core and the upper and lower molds are completely assembled and pressurized, and the rubber in the space from the bottom of the mold There is a method by the injection press in which the bladder is filled, but both manufacturing methods are bubbles generated during the flow of rubber; Since the steam chamber mold having a chamber inside the mold to heat the bladder mold, there was a problem that can not be discharged by punching the mold.
이에 본 고안은 상기와 같은 문제점을 해소하기위해 안출 된 것으로서, 블래더가 몰드 내에서 성형될 때 몰드내에 잔류하는 에어가; 블래더의 코어몰드에 벤트유니트를 설치하고 이들을 공기배출 유도관로로 연결함으로써 고무가 블래더 성형을 위해 플로어(Flow) 될 때 벤트유니트를 통하여 공기 배출 유도관로를 따라 몰드 밖으로 배출되므로 블래더 내에 기포가 발생되지않도록 된 타이어 가류용 블래더 몰드의 구조를 제공함에 그 목적이 있다.The present invention has been made to solve the above problems, the air remaining in the mold when the bladder is molded in the mold; By installing a vent unit in the bladder core mold and connecting them to the air discharge induction pipe, when the rubber is flowed to form the bladder, the air is discharged out of the mold through the air discharge induction pipe through the vent unit so that the air bubbles in the bladder The purpose is to provide a structure of the bladder mold for tire vulcanization so that no
도 1은 본 고안에 따른 블래드몰드부의 종단면도,1 is a longitudinal cross-sectional view of the blood mold part according to the present invention,
도 2은 본 고안에 따른 도 1의 A부 벤트유니트의 단면도,Figure 2 is a cross-sectional view of the A part vent unit of Figure 1 according to the present invention,
도 3은 종래의 구조로 도 1에 대응되는 종단면도이다.3 is a longitudinal cross-sectional view corresponding to FIG. 1 in a conventional structure.
1 - 벤트유니트 1a - 벤트유니트코어,1-vent unit 1a-vent unit core,
1b - 위치조정부 1c - 위치조정너트,1b-Positioning unit 1c-Positioning nut,
1d - 스프링 1e - 벤트유니트베이스,1d-spring 1e-vent unit base,
1f - 고정부 1g - 공기흡입구,1f-fixing part 1g-air intake,
1h - 공기배출구 2 - 공기배출유도관,1h-air outlet 2-air exhaust induction pipe,
3 - 상부몰드 4 - 하부몰드,3-upper mold 4-lower mold,
5 - 코어몰드 5a - 분할편,5-core mold 5a-divided piece,
5b - 볼트홀 6 - 챔버,5b-bolthole 6-chamber,
7 - 엔드코어 8 - 블래더.7-End Core 8-Bladder.
상기와 같은 목적을 달성하기 위한 본 고안은, 블래더의 외부면이 형성되도록 제작되어진 상부몰드와, 이 상부몰드 아래에 대칭되게 접합되도록 제작되어진 하부몰드와, 내면에 챔버를 보유하면서 외부면이 블래더의 내부면으로 형성되도록 제작되어지는 코어몰드와, 이 코어몰드의 상단에 위치되어지는 엔드코어로 구성되어지는 블래더몰드의 구조에 있어서, 상기 코어몰드의 한쪽 외주면에, 다수개로 분할된 코어분할편으로 형성되는 한편 이 각각의 분할편 사이에는 볼트홀 및 공기배출유도관이 구비되도록 구성되어진다.The present invention for achieving the above object, the upper mold is made to form the outer surface of the bladder, the lower mold is made to be symmetrically bonded under the upper mold, and the outer surface while holding the chamber on the inner surface In the structure of the bladder mold which consists of the core mold manufactured so that it may be formed in the inner surface of a bladder, and the end core located in the upper end of this core mold, it may be divided into several parts on one outer peripheral surface of the said core mold. It is formed as a core split piece, and is configured to be provided with a bolt hole and an air discharge guide pipe between each split piece.
여기서 상기 볼트홀에는 벤트유니트코어와, 위치조정부와, 위치조정너트와, 스프링과, 벤트유니트베이스와, 고정부와, 에어흡입구와, 에어배출구로 이루어진 벤트유니트가 상기 고정부를 매개로 삽입되어진다.In the bolt hole, a vent unit including a vent unit core, a position adjusting unit, a positioning nut, a spring, a vent unit base, a fixing unit, an air inlet port, and an air outlet port is inserted through the fixing unit. Lose.
이하, 본 고안을 예시된 도면을 참조로 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the illustrated drawings.
도 1은 본 고안에 따른 사이드도어부를 도시한 것인바, 본 고안은, 블래더(8)의 외부면이 형성되도록 제작되어진 상부몰드(3)와, 이 상부몰드(3) 아래에 대칭되게 접합되도록 제작되어진 하부몰드(4)와, 내면에 챔버(6)를 보유하면서 외부면이 블래더(8)의 내부면으로 형성되도록 제작되어지는 코어몰드(5)와, 이 코어몰드(5)의 상단에 위치되어지는 엔드코어(7)로 구성되어지는 블래더몰드의 구조에 있어서, 상기 코어몰드(5)의 한쪽 외주면에, 다수개로 분할된 코어 분할편(5a)으로 형성되는 한편 이 각각의 분할편(5a) 사이에는 볼트홀(5b) 및 공기배출유도관(2)이 구비되도록 구성되어진다.Figure 1 shows a side door according to the present invention, the present invention, the upper mold 3, which is made to form the outer surface of the bladder (8), and symmetrically bonded under the upper mold (3) The lower mold 4, which is manufactured to be formed, the core mold 5, which is manufactured such that the outer surface is formed as the inner surface of the bladder 8, while having the chamber 6 on the inner surface, and the core mold 5 In the structure of the bladder mold which consists of the end core 7 located in the upper end, in one outer peripheral surface of the said core mold 5, it is formed with the core division piece 5a divided into several pieces, respectively, It is comprised so that the bolt hole 5b and the air discharge induction pipe 2 may be provided between the divided pieces 5a.
여기서 상기 볼트홀(5b)에는 벤트유니트코어(1a)와, 너트와 작용하여 위치를 조정하도록 된 위치조정부(1b)와, 이 위치조정부(1b)에 끼워지는 위치조정너트(1c)와, 상기 벤트유니트를 감고 있는 스프링(1d)과, 에어흡입구가 형성되어지면서 상기 볼트홀(5b)에 밀착되어지는 벤트유니트베이스(1e)와, 나사홈으로 가공되어진 고정부(1f)와, 에어가 유입될 수 있도록 된 에어흡입구(1g)와, 에어가 방출될 수 있도록 된 에어배출구(1h)로 이루어진 벤트유니트(1)가 상기 고정부(1f)를 매개로 삽입되어진다.Here, the bolt hole 5b has a vent unit core 1a, a position adjusting unit 1b which acts with a nut to adjust the position, a position adjusting nut 1c fitted to the position adjusting unit 1b, and A spring 1d wound around the vent unit, a vent unit base 1e which is in close contact with the bolt hole 5b while the air inlet is formed, a fixing part 1f which is processed by a screw groove, and air flows in. A vent unit 1 composed of an air inlet port 1g, which is capable of being made, and an air outlet port 1h, through which air can be discharged, is inserted through the fixing part 1f.
한편 상기 벤트유니트(1)의 작동은 벤트유니트코어(1a)의 선단에 있는 위치조정부(1b)의 나선에 끼워져 있는 위치조정너트(1c)를 회전하면 벤트유니트코어(1a)에 감겨진 스프링(1d)의 장력에 의해서 벤트유니트코어(1a')의 위치로 이동되면서 벤트유니트베이스(1e)에 형성된 공기흡입구(1g)가 열리게 된다.On the other hand, the operation of the vent unit (1) is a spring wound on the vent unit core (1a) by rotating the positioning nut (1c) fitted to the spiral of the position adjustment unit (1b) at the tip of the vent unit core (1a) ( The air suction port 1g formed in the vent unit base 1e is opened while being moved to the position of the vent unit core 1a 'by the tension of 1d).
여기서 성형고무가 상기 엔드코어(7)를 통하여 주입되어 상기 벤트유니트(1)에 이르게 되면 상기 공기흡입구(1g) 및 공기배출구(1h)를 통하여 공기배출관(2)을 통하여 외부로 방출되며, 성형고무가 벤트유니트(1)를 통과하면 고무의 분사압력에 의해서 벤트유니트코어(1a)가 후진됨에 따라 벤트유니트(1)의 공간이 밀봉되면서 성형고무가 벤트유니트(1)의 내부로 유입되지않는다.Here, when the molded rubber is injected through the end core 7 to reach the vent unit 1, the molded rubber is discharged to the outside through the air discharge pipe 2 through the air suction port 1g and the air discharge port 1h. When the rubber passes through the vent unit 1, the vent unit core 1a is retracted by the injection pressure of the rubber, so that the space of the vent unit 1 is sealed and the molding rubber does not flow into the vent unit 1. .
바림직하기로 벤트유니트(1)는 상기와 같이 기계적으로 구성할 수 있으나, 흔히 연마석의 재료로 사용되는 산화 알루미나 등의 내열성이 좋고 강도가 높은 다공성 통기물질을 사용할 수 있다.Preferably, the vent unit 1 may be mechanically configured as described above, but a porous air-permeable material having high heat resistance and high strength, such as alumina oxide, which is commonly used as a material of abrasive stone, may be used.
또한 공기배출 효과를 향상시키기 위해 상기 공기배출유도관(2)을 진공상태로 할 수 있다.In addition, the air discharge induction pipe (2) can be in a vacuum state to improve the air discharge effect.
이상 설명한 바와 같이 본 고안에 의하면, 블래더가 몰드 내에서 성형될 때 몰드내에 잔류하는 에어가; 블래더(7)의 코어몰드(5)에 벤트유니트(1)를 설치하고 이들을 공기배출유도관(2)으로 연결함으로써 성형고무가 블래더(7) 성형을 위해 플로어(Flow) 될 때 벤트유니트(1)를 통하여 공기배출유도관(2)을 따라 몰드 밖으로 배출되므로 성형되어지는 블래더(8) 내에 기포가 발생되지않아 블래더(8)의 상품성이 향상되어지는 효과가 있다.As described above, according to the present invention, the air remaining in the mold when the bladder is molded in the mold; The vent unit 1 is installed in the core mold 5 of the bladder 7 by connecting the vent unit 1 to the air discharge duct 2 so that the molding rubber is flowed to form the bladder 7. Since the air is discharged out of the mold along the air discharge induction pipe 2 through (1), bubbles are not generated in the bladder 8 to be molded, so that the commercial property of the bladder 8 is improved.
이상에서 설명한 것은 본 고안에 의한 타이어 가류용 블래더 몰드의 구조를 실시하기위한 하나의 실시예에 불과한 것으로, 이하 청구범위내에서 청구하는 본 고안의 요지를 벗어남이 없이 당해 고안이 속하는 분야에서 통상의 지식을 가진자라면 누구든지 다양한 변경실시가 가능할 것이다.What has been described above is just one embodiment for implementing the structure of the bladder mold for tire vulcanization according to the present invention, it is usually in the field to which the subject innovation belongs without departing from the gist of the subject innovation claimed in the following claims. Anyone with knowledge of the system will be able to make various changes.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970029429U KR200182189Y1 (en) | 1997-10-23 | 1997-10-23 | A structure of a blader mold for a tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970029429U KR200182189Y1 (en) | 1997-10-23 | 1997-10-23 | A structure of a blader mold for a tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990016045U true KR19990016045U (en) | 1999-05-15 |
| KR200182189Y1 KR200182189Y1 (en) | 2000-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019970029429U KR200182189Y1 (en) | 1997-10-23 | 1997-10-23 | A structure of a blader mold for a tire |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR200182189Y1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100443645B1 (en) * | 2001-10-10 | 2004-08-09 | 금호타이어 주식회사 | Vent Plug and Tire Curing Mould Mounted with the Same |
| KR102204892B1 (en) * | 2019-12-17 | 2021-01-19 | 넥센타이어 주식회사 | Apparatus and method for manufacturing bladder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100498131B1 (en) * | 2002-07-09 | 2005-07-01 | 금호타이어 주식회사 | A Mould for Forming Tire Curing Bladder |
| KR102497333B1 (en) * | 2021-06-09 | 2023-02-08 | 넥센타이어 주식회사 | A bladder mold |
| KR102520185B1 (en) * | 2021-10-19 | 2023-04-11 | 금호타이어 주식회사 | Manufacturing equipment of Vulcanizing Bladder |
-
1997
- 1997-10-23 KR KR2019970029429U patent/KR200182189Y1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100443645B1 (en) * | 2001-10-10 | 2004-08-09 | 금호타이어 주식회사 | Vent Plug and Tire Curing Mould Mounted with the Same |
| KR102204892B1 (en) * | 2019-12-17 | 2021-01-19 | 넥센타이어 주식회사 | Apparatus and method for manufacturing bladder |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200182189Y1 (en) | 2000-06-01 |
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