KR200165544Y1 - A structure of blader for a tire-bulcanization - Google Patents

A structure of blader for a tire-bulcanization Download PDF

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Publication number
KR200165544Y1
KR200165544Y1 KR2019970030517U KR19970030517U KR200165544Y1 KR 200165544 Y1 KR200165544 Y1 KR 200165544Y1 KR 2019970030517 U KR2019970030517 U KR 2019970030517U KR 19970030517 U KR19970030517 U KR 19970030517U KR 200165544 Y1 KR200165544 Y1 KR 200165544Y1
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South Korea
Prior art keywords
mold
core
bladder
present
tire
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KR2019970030517U
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Korean (ko)
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KR19990017073U (en
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인미환
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홍건희
한국타이어주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/10Moulds or cores; Details thereof or accessories therefor with incorporated venting means

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • 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(7)가 몰드 내에서 성형될 때 몰드내에 잔류하는 에어가; 블래더의 코어몰드를 이중으로 구성하고 외측부분을 다수로 종분할하여 코어분할편들을 재조립함으로써, 코어분할편들을 통하여 몰드 밖으로 배출될 수 있어 블래더(7) 내에 잔류하는 에어가 발생하지않아 기포가 생성되지 않도록 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 7 is molded in the mold; By constituting the bladder's core mold in double and subdividing the outer part into a plurality, the core split pieces are reassembled so that the air can be discharged out of the mold through the core split pieces so that no air remaining in the bladder 7 is generated. Bubbles are not generated.

Description

타이어 가류용 블래더 몰드의 구조Structure of Bladder Mold for Tire Vulcanization

본 고안은 타이어 가류용 블래더 몰드의 구조에 관한 것으로, 특히 블래더의 코어몰드를 이중으로 구성하고 외측부분을 다수로 종분할하여 시그먼트(Segment)들을 재조립함으로써 몰드내의 에어가 시그먼트들을 통하여 몰드 밖으로 배출될 수 있어 블래더 내에 잔류하는 에어가 발생하지않도록 된 타이어 가류용 블래더 몰드의 구조에 관한것이다.The present invention relates to a structure of a bladder mold for tire vulcanization, and in particular, the air in the mold is formed by reassembling segments by constituting the core mold of the bladder in double and subdividing the outer part into a plurality. It relates to the structure of the tire vulcanizing bladder mold that can be discharged out of the mold through so that no air remaining in the bladder is generated.

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 종래에는 상기의 블래더 제조시 상하로 2분할된 몰드 사이에 압출된 슬러그(Slug)를 도우넛 형태로 성형하여 넣은 후 몰드를 상승시키므로 슬러그가 코어몰드와 상하몰드 사이에 채워지는 콤퍼레이션프레스 혹은 인젝션프레스를 사용하여 코어 및 상하몰드가 완전히 조립되고, 가압된 상태에서 코어몰드를 상단으로 부터 고무가 사출되어 몰드의 하단까지의 공간에 고무가 채워지게되는데, 여기서 고무의 흐름중에 발생되어지는 기포는; 블래더몰드를 가열하기위해 몰드 내부에 챔버를 가지는 스팀챔버몰드 방식이므로 몰드에 천공을 하여 배출할 수 없는 문제점이 있었다.Meanwhile, in the conventional manufacture of the bladder, a slug is extruded between molds divided into two parts up and down in the form of a doughnut, and then the mold is raised. Using the injection press, the core and the upper and lower molds are completely assembled, and the rubber is injected from the top of the core mold in the pressurized state so that the rubber is filled in the space from the top to the bottom of the mold, where bubbles generated during the flow of rubber Is; 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 코어몰드를 이중으로 구성하고 외측부분을 다수로 종분할하여 시그먼트들을 재조립함으로써, 시그먼트들을 통하여 몰드 밖으로 배출될 수 있어 블래더 내에 잔류하는 에어가 발생하지않아 기포가 생성되지 않도록 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 constructing the bladder's core mold in double and subdividing the outer part into multiple parts to reassemble the segments, they can be discharged out of the mold through the segments so that no air remains in the bladder and no bubbles are generated. It is an object of the present invention to provide a structure of a bladder mold for tire vulcanization.

도 1은 본 고안에 따른 블래더몰드에 블래더가 가공되는 과정의 종단면도,1 is a longitudinal cross-sectional view of a process in which a bladder is processed in a bladder mold according to the present invention;

도 2은 본 고안에 따른 몰드코어의 사시도,2 is a perspective view of a mold core according to the present invention,

도 3은 본 고안에 따른 도 2의 A - A선의 단면도,3 is a cross-sectional view taken along the line A-A of Figure 2 according to the present invention,

도 4는 종래의 구조로 도 1에 대응되는 종단면도이다.4 is a longitudinal cross-sectional view corresponding to FIG. 1 in a conventional structure.

1 - 코어베이스 1a - 챔버,1-core base 1a-chamber,

2 - 코어분할편 3 - 볼트,2-core split 3-bolt,

4 - 엔드코어 5 - 상부몰드,4-end core 5-upper mold,

6 - 하부몰드 7 - 브래더,6-lower mold 7-bladder,

8 - 에어유도홀 9 - 분할편접합부.8-Air guide hole 9-Split piece joint.

상기와 같은 목적을 달성하기 위한 본 고안은, 타이어의 블래더가 성형되어지는 블래더몰드 중 코어몰드가 코어베이스와 코어분할편으로 이원화되어져 볼트를 매개로 결합되는 구조로 이루어지는 한편 상기 코어베이스와 코어분할편사이에는 에어유도홀이 형성되어진다.The present invention for achieving the above object is made of a structure in which the core mold of the bladder mold in which the bladder of the tire is to be molded is dualized into the core base and the core split piece to be coupled through the bolt while the core base and An air induction hole is formed between the core split pieces.

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 블래더몰드에 블래더가 가공되는 과정의 종단면도이고, 도 2은 본 고안에 따른 몰드코어의 사시도이며, 도 3은 본 고안에 따른 도 2의 A - A선의 단면도인바, 본 고안은, 블래더(7)의 외부면이 형성되도록 제작되어진 상부몰드(5)와, 이 상부몰드(5) 하부에 같은 크기로 대칭되게 접합되도록 제작되어진 하부몰드(6)와, 내면에 챔버(11a)를 보유하면서 외부면이 블래더(7)의 내부면으로 형성되도록 제작되어지는 코어몰드(11)와, 이 코어몰드(11)의 상단에 위치되어지는 엔드코어(4)로 구성되어지는 블래더몰드의 구조에 있어서, 상기 코어몰드(11)가 코어베이스(1)와 코어분할편(2)으로 이원화되어서 볼트(3)를 매개로 결합되어지는 구조로 이루어지는 한편 상기 코어베이스(1)와 코어분할편(2) 사이에는 에어유도홀(8)이 형성되어진다.1 is a longitudinal cross-sectional view of a process in which a bladder is processed in a bladder mold according to the present invention, FIG. 2 is a perspective view of a mold core according to the present invention, and FIG. 3 is a cross-sectional view taken along line A-A of FIG. Inba, the present invention, the upper mold 5 is formed so that the outer surface of the bladder (7), the lower mold (6) is made to be symmetrically bonded to the same size below the upper mold (5), The core mold 11 is formed so that the outer surface is formed as the inner surface of the bladder 7 while retaining the chamber 11a on the inner surface, and the end core 4 positioned on the upper end of the core mold 11. In the structure of the bladder mold composed of the core mold 11 is composed of a structure in which the core mold 11 is dualized into the core base 1 and the core split piece 2 so as to be coupled via a bolt 3 while the core An air induction hole 8 is formed between the base 1 and the core split piece 2.

따라서 상기 엔드코어(4) 상단으로 부터 주입된 고무는 상부몰드(5) 및 하부몰드(6)와 코어분할편(2) 사이에 형성된 공간을 따라 충진됨으로써 블래더가 성형되는 동안에 계속해서 분할편접합부(9) 사이의 틈을 통하여 배출된 에어가 에어유도홀(8)을 통과하면서 몰드 외부로 배출되어진다.Thus, the rubber injected from the upper end of the end core 4 is filled along the space formed between the upper mold 5 and the lower mold 6 and the core split piece 2 so that the split piece continues while the bladder is being molded. Air discharged through the gap between the joining portions 9 is discharged to the outside of the mold while passing through the air induction hole (8).

한편 본원고안과 달리, 코어분할편(2)을 횡단하여 도우넛형태로 가공하여 코어베이스(1)와 결합되어진 적층형 코어는; 코어엔드(4) 상단으로 부터 주입된 고무가 몰드 하단으로 흐를 때 고무의 흐름을 방해하여 플로어마크(Flow-Mark)를 형성하며 한층더 플로어마크로 부터 크랙이 진행되어 블래더의 수명을 저하시키거나 파열된다.On the other hand, unlike the present application, the laminated core which is bonded to the core base (1) by processing in a doughnut shape across the core split piece (2); When the rubber injected from the top of the core end 4 flows to the bottom of the mold, it blocks the flow of rubber to form a floor-mark, and cracks are further progressed from the floor-mark to reduce the life of the bladder. Bursts.

이상 설명한 바와 같이 본 고안에 의하면, 블래더(7)가 몰드 내에서 성형될 때 몰드내에 잔류하는 에어가; 블래더의 코어몰드를 이중으로 구성하고 외측부분을 다수로 종분할하여 시그먼트들을 재조립함으로써, 시그먼트들을 통하여 몰드 밖으로 배출될 수 있어 블래더 내에 잔류하는 에어가 발생하지않아 기포가 생성되지 않아, 블래더의 상품성이 향상되어지는 효과가 있다.As described above, according to the present invention, the air remaining in the mold when the bladder 7 is molded in the mold; By constructing the bladder's core mold in double and subdividing the outer part into multiple parts to reassemble the segments, they can be discharged out of the mold through the segments so that no air remains in the bladder and no bubbles are generated. As a result, the merchandise of the bladder 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 (1)

블래더(7)의 외부면이 형성되도록 제작되어진 상부몰드(5)와, 이 상부몰드(5) 아래에 같은 크기로 대칭되게 접합되도록 제작되어진 하부몰드(6)와, 내면에 챔버(11a)를 보유하면서 외부면이 블래더(7)의 내부면으로 형성되도록 제작되어지는 코어몰드(11)와, 이 코어몰드(11)의 상단에 위치되어지는 엔드코어(4)로 구성되어지는 블래더몰드의 구조에 있어서,The upper mold 5, which is manufactured to form the outer surface of the bladder 7, the lower mold 6, which is manufactured to be symmetrically bonded to the same size under the upper mold 5, and the chamber 11a on the inner surface. Bladder composed of a core mold (11) is produced so that the outer surface is formed into the inner surface of the bladder (7), and the end core (4) located on the top of the core mold (11) In the structure of the mold, 상기 코어몰드(11)가 코어베이스(1)와 코어분할편(2)으로 이원화되어서 볼트(3)를 매개로 결합되어지는 구조로 이루어지는 한편 상기 코어베이스(1)와 코어분할편(2)사이에는 에어유도홀(8)이 형성되어지는 것을 특징으로 하는 타이어 가류용 블래더 몰드의 구조.The core mold 11 is dualized into the core base 1 and the core split piece 2 so that the core mold 11 is coupled to each other via the bolt 3, while the core mold 11 and the core split piece 2 are separated from each other. The air guiding hole 8 is formed in the structure of the bladder mold for tire vulcanization.
KR2019970030517U 1997-10-31 1997-10-31 A structure of blader for a tire-bulcanization KR200165544Y1 (en)

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KR100498131B1 (en) * 2002-07-09 2005-07-01 금호타이어 주식회사 A Mould for Forming Tire Curing Bladder
KR102520185B1 (en) 2021-10-19 2023-04-11 금호타이어 주식회사 Manufacturing equipment of Vulcanizing Bladder

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KR101388213B1 (en) * 2012-04-27 2014-04-23 (주)성진기계 Injection molding machine

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* Cited by examiner, † Cited by third party
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
KR102520185B1 (en) 2021-10-19 2023-04-11 금호타이어 주식회사 Manufacturing equipment of Vulcanizing Bladder

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