KR100532623B1 - Building Drum Machine for Greentire - Google Patents

Building Drum Machine for Greentire Download PDF

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Publication number
KR100532623B1
KR100532623B1 KR10-2003-0064991A KR20030064991A KR100532623B1 KR 100532623 B1 KR100532623 B1 KR 100532623B1 KR 20030064991 A KR20030064991 A KR 20030064991A KR 100532623 B1 KR100532623 B1 KR 100532623B1
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KR
South Korea
Prior art keywords
turn
bar
roller
drum
green tire
Prior art date
Application number
KR10-2003-0064991A
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Korean (ko)
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KR20050028998A (en
Inventor
이명기
Original Assignee
한국타이어 주식회사
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Priority to KR10-2003-0064991A priority Critical patent/KR100532623B1/en
Publication of KR20050028998A publication Critical patent/KR20050028998A/en
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Publication of KR100532623B1 publication Critical patent/KR100532623B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24Drums
    • B29D30/26Accessories or details, e.g. membranes, transfer rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3214Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/06Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08Building tyres
    • B29D30/20Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B29D2030/3221Folding over means, e.g. bladders or rigid arms
    • B29D2030/3257Folding over means, e.g. bladders or rigid arms using pressing rollers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)

Abstract

본 발명은 타이어 제조시 브라더를 이용하지 않고 그린타이어를 성형하는 그린타이어 제조용 성형드럼장치에 관한 것으로, 드럼(1)에 위치하는 그린타이어(2)의 비드부(3)를 고정시키는 잠금부(4)를 갖추고 턴업 롤더(5)가 끝단에 설치된 턴업바(6)를 힌지축(7)을 지점으로 작동시키는 실린더(8)와 상기 턴업바(1)의 일단을 덮는 턴업바 커버(9) 및 커버 호울더(10)를 갖추어 이루어진 그린타이어 제조용 성형드럼장치에 있어서, 상기 턴업바(6)는 비드부(3)에 접하는 롤러(5)와 이 롤러(5)가 롤러 힌지(11)를 매개로 연결되는 핑거판(12) 및 캠(13)에 접하여 이동하는 캠 팰로워(14)로 이루어져 있다.The present invention relates to a molding drum apparatus for manufacturing green tires for molding green tires without using a brother when manufacturing tires, and includes a locking part for fixing the bead portion 3 of the green tires 2 located on the drum 1. 4) a turn-up bar cover 9 having one end of the turn-up bar 1 and a cylinder 8 for operating the turn-up bar 6 with the turn-up roller 5 provided at the end and the hinge shaft 7 as a point. And a cover holder 10, wherein the turn-up bar 6 includes a roller 5 in contact with the bead part 3 and the roller 5 that the roller hinge 11 has. It consists of a cam follower 14 which moves in contact with the finger plate 12 and the cam 13 connected to each other.

Description

그린타이어 제조용 성형드럼장치{Building Drum Machine for Greentire}Molding drum device for manufacturing green tires {Building Drum Machine for Greentire}

본 발명은 타이어 제조시 여러 가지 반제품들을 성형드럼에서 순차적으로 붙여서 원통형의 그린타이어를 만드는 성형드럼장치에 관한 것으로, 특히 브라더를 사용하지 않고 그린타이어를 성형함에 따라 브라더 노화에 따른 품질불량을 개선하고 생산성 향상과 제조 단가를 낮출 수 있는 그린타이어 제조용 성형드럼장치에 관한 것이다.The present invention relates to a molding drum device for forming a cylindrical green tire by attaching various semi-finished products in a molding drum sequentially during tire manufacturing, and in particular, to improve quality defects due to aging of the brother by molding the green tire without using a brother. The present invention relates to a molding drum device for manufacturing a green tire capable of improving productivity and lowering manufacturing costs.

통상 타이어 제조시 여러 공정을 통해서 준비된 각종 반제품부재를 조립 부착하여 그린타이어를 만드는 공정이 성형공정이며, 이러한 성형공정은 타이어의 품질을 거의 좌우하는 중요한 공정이라 할 수 있다.In general, a process of forming a green tire by assembling and attaching various semi-finished members prepared through various processes in manufacturing a tire is a molding process, and this molding process may be an important process that almost influences the quality of a tire.

그리고, 성형 방법은 타이어의 종류에 따라 성형장치가 서로 다르며, 타이어의 규격별로 이 성형드럼의 형상도 각기 다르기 때문에 이로 인하여 성형하는 그린 타이어의 형상 및 크기가 결정되어 진다.In the molding method, the molding apparatus is different according to the type of the tire, and the shape and size of the green tire to be molded are determined because of the different shape of the molding drum according to the tire specifications.

종래 그린타이어 성형장치의 성형드럼에 있어서, 브라더를 이용하여 그린타이어를 성형하였으나, 이러한 브라더를 이용한 성형방식은 브라더의 수명한계로 인하여 생기는 교체비용 증가와 교체에 따른 생산성 저하 및 품질 불량을 야기시키는 문제점이 제기 되는바, 즉 통상적으로 브라더의 수명은 종류에 따라 다르나 대략 1000∼2000회를 사용할 수 있기 때문에 자동 성형기에서는 수일에 한번씩 교체하여야 하며, 이 교체로 인한 생산성 저하 및 브라더의 노화에 따라 달라지는 턴업 상태로 품질 불량이 야기되는 문제점이 있었다.In the molding drum of the conventional green tire forming apparatus, although the green tire was molded using the brother, the molding method using such a brother increases the replacement cost that is caused by the life of the brother and causes a decrease in productivity and quality defects due to the replacement. In general, the life of the brother varies depending on the type, but since it can be used for about 1000 to 2000 times, the automatic molding machine needs to be replaced every few days. There was a problem that a quality defect is caused by the turn-up state.

그리고 브라더를 이용하지 않고 턴업바(Turn-up bar)를 이용하는 성형드럼 장치는 원주방향으로 위치하는 롤러를 이용하여 그린타이어의 성형을 실시하나, 이러한 성형 드럼장치는 브라더를 이용한 성형드럼 장치에 비해 턴업바의 턴업시 사이드월(Sidewall)에 가해지는 부분 압착력이 커서, 이 사이드월이 늘어나면서 두께가 감소하는 국부적 변형이 발생하게 되는데, 이는 그린타이어의 성형 불량을 초래하였다.In addition, the forming drum apparatus using the turn-up bar without the use of a brother performs molding of the green tire using a roller located in the circumferential direction. Partial compressive force applied to the sidewall during turn-up of the turn-up bar is large, causing local deformation that decreases in thickness as the sidewall is stretched, which causes poor molding of the green tire.

이에 본 발명은 상기와 같은 종래 문제점을 해결하기 위해 발명된 것으로, 턴업바를 이용하여 그린타이어를 성형할 때 품질불량을 개선하고 생산성 향상과 제조단가를 낮출 수 있는 그린타이어 제조용 성형드럼장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above conventional problems, to provide a molding drum device for manufacturing a green tire that can improve quality defects, improve productivity and lower manufacturing costs when forming a green tire using a turn-up bar. Its purpose is.

상기와 같은 목적을 달성하기 위한 본 발명은 드럼에 위치하는 그린타이어의 비드부를 고정시키는 잠금부를 갖추고 턴업 롤러가 끝단에 설치된 턴업바를 힌지 축을 지점으로 작동시키는 실린더와 상기 턴업바의 일단을 덮는 커버핑거 및 커버 호울더를 갖추어 이루어진 그린타이어 제조용 성형드럼장치에 있어서, 상기 턴업바는 비드부에 접하는 롤러와 이 롤러가 롤러 힌지를 매개로 연결되는 핑거판 및 캠에 접하여 이동하는 캠 팰로워로 이루어져 있다.The present invention for achieving the above object is provided with a locking portion for fixing the bead portion of the green tire located in the drum cover turn finger covering the one end of the turn-up bar and the cylinder to operate the turn-up bar installed at the end hinge point And a cover holder, wherein the turn-up bar comprises a roller in contact with the bead portion, a cam follower that moves in contact with a finger plate connected to the roller hinge, and a cam. .

이하, 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 4는 본 발명에 따른 턴업바를 이용하여 그린타이어를 성형하는 성형드럼장치의 작동 상태를 나타낸 도면으로서 드럼을 기준으로 대칭으로 설치되기 때문에 한쪽만 도시한 것으로, 도 1은 대기상태, 도 2는 세이핑 후, 도 3은 턴업바 일부 전진 상태 및, 도 4는 턴업바 완전 전진 상태를 나타내고 있다.1 to 4 is a view showing the operating state of the forming drum device for molding the green tire using the turn-up bar according to the present invention because only one side is shown symmetrically installed with respect to the drum, Figure 1 is a standby state, Figure 2 shows after shaping, Figure 3 shows the part of the turn-up bar forward, and Figure 4 shows the turn-up bar fully advanced.

본 발명은 드럼(1)에 위치하는 그린타이어(2)의 비드부(3)를 고정시키는 잠금부(4)를 갖추고 턴업 롤러(5)가 끝단에 설치된 턴업바(6)를 힌지축(7)을 지점으로 작동시키는 실린더(8)와 상기 턴업바(1)의 일단을 덮는 턴업바 커더(9) 및 커버 호울더(10)를 갖추어 이루어진 그린타이어 제조용 성형드럼장치에 있어서, 상기 턴업바(6)는 비드부(3)에 접하는 롤러(5)와 이 롤러(5)가 롤러 힌지(11)를 매개로 연결되는 핑거판(12) 및 캠(13)에 접하여 이동하는 캠 팰로워(14)로 이루어져 있다.The present invention has a locking portion (4) for fixing the bead portion (3) of the green tire (2) located on the drum (1) and the turn-up bar (6) at the end of the hinge shaft (7) In the forming drum device for manufacturing a green tire, comprising a cylinder (8) for operating a point as a point and a turn-up bar cutter (9) and a cover holder (10) covering one end of the turn-up bar (1), the turn-up bar ( 6 is a cam follower 14 which moves in contact with the roller 5 and the cam 13 in which the roller 5 is in contact with the bead part 3 and the roller 5 is connected via a roller hinge 11. )

여기서 상기 턴업바(6)를 작용시키는 턴업바 커버(9)와 커버 호울더(10)는 힌지(15)를 매개로 힌지식으로 연결되어 있어서 실린더(8)의 전진 작동에 의해 상기 턴업바(6)의 롤러(5)가 외경방향 확대되어도 초기장력 대비 턴업 끝단의 장력이 유사하도록 되어 있다.Here, the turn-up bar cover 9 and the cover holder 10 which actuate the turn-up bar 6 are hingedly connected to each other via a hinge 15, so that the turn-up bar ( Even if the roller 5 of 6) is expanded in the outer diameter direction, the tension of the turn-up end relative to the initial tension is similar.

한편, 상기 캠(13)은 지지 브라켓트(18)의 스프링(17)으로 탄발 지지되어 있어서 이 캠(13)은 축방향으로 소량 이동이 가능함에 따라 복잡한 그린타이어 형상을 만족시킬 수 있도록 되어 있다.On the other hand, the cam 13 is elastically supported by the spring 17 of the support bracket 18, so that the cam 13 can move in a small amount in the axial direction to satisfy the complex green tire shape.

또한 상기 턴업바(6)의 캠 팰로워(14)가 캠(13)을 따라 궤적을 그리면서 이동하기 때문에 이 턴업바(6)의 롤러(5)는 직접적으로 사이드월(16)에 압착력이 작용하지 않도록 되어 있다.In addition, since the cam follower 14 of the turn-up bar 6 moves along the cam 13 while drawing a trajectory, the roller 5 of the turn-up bar 6 has a compressive force directly on the sidewall 16. It is not supposed to work.

그리고 도 5에 도시된 바와 같이 상기 캠(13)의 곡선과 실제 세이핑 된 형상과의 차이는 롤러(5)가 롤러 힌지(11)에 의해 약 10° 각도로 회전되는 형상을 유지할 수 있도록 되어 있다.And the difference between the curved shape and the actual shape of the cam 13 as shown in Figure 5 is able to maintain the shape that the roller 5 is rotated at an angle of about 10 ° by the roller hinge 11 have.

그리고 도 1 내지 도 4는 본 발명을 이용하여 성형드럼(1)의 잠금부(4)에 장착된 비드부(3)에 사이드월(16)을 턴업바(6)를 이용하여 부착시키는 상태를 순차적으로 나타내고 있으며, 이를 도 5에서 개략 연속적으로 나타내고 있다.1 to 4 show a state in which the side wall 16 is attached to the bead part 3 mounted on the locking part 4 of the forming drum 1 using the turn-up bar 6 using the present invention. It is shown sequentially, and this is shown in FIG. 5 continuously.

상기와 같이 본 발명에 따른 그린타이어 제조용 성형드럼장치는 성형기의 규격교체 능력이 확대되고, 브라더를 이용할 때 보다 비용 절감이 이루어질 뿐만 아니라 생산성 향상과 제조 단가의 절감을 가져오는 효과가 있다.As described above, the forming drum device for manufacturing a green tire according to the present invention has an effect of increasing the standard replacement capability of the molding machine and reducing the cost when using the brother, as well as improving productivity and reducing the manufacturing cost.

도 1 내지 도 4는 본 발명의 작동상태를 나타낸 도면이고,1 to 4 is a view showing the operating state of the present invention,

도 5는 본 발명의 요부인 캠과 캠 팰로워의 작동 상태도 이다.5 is an operation state diagram of the cam and the cam follower which is the main part of the present invention.

-도면의 주요 부분에 대한 부호의 설명-Explanation of symbols on main parts of drawing

1 : 드럼, 2 : 그린타이어,1: drum, 2: green tire,

3 : 비드부, 4 : 잠금부,3: bead part, 4: locking part,

5 : 롤러, 6 : 턴업바,5: roller, 6: turn-up bar,

7 : 힌지축, 8 : 실린더,7: hinge shaft, 8: cylinder,

9 : 턴업바 커버, 10 : 커버 호울더,9: turn-up bar cover, 10: cover holder,

11 : 롤러 힌지, 12 : 핑거판,11: roller hinge, 12: finger plate,

13 : 캠, 14 : 캠 팰로워(Cam Follower),13: Cam, 14: Cam Follower,

15 : 힌지, 16 : 사이드월(Sidewall),15: hinge, 16: sidewall,

17 : 스프링, 18 : 지지 브라켓트.17: spring, 18: support bracket.

Claims (3)

드럼(1)에 위치하는 그린타이어(2)의 비드부(3)를 고정시키는 잠금부(4)를 갖추고 턴업 롤러(5)가 끝단에 설치된 턴업바(6)를 힌지축(7)을 지점으로 작동시키는 실린더(8)와 상기 턴업바(1)의 일단을 덮는 턴업바 커버(9) 및 커버 호울더(10)를 구비하여, 상기 턴업바(6)가 비드부(3)에 접하는 롤러(5)와 이 롤러(5)가 롤러 힌지(11)를 매개로 연결되는 핑거판(12) 및 캠(13)에 접하여 이동하는 캠 팰로워(14)로 이루어진 그린타이어 제조용 성형드럼장치에 있어서,The turn-up bar 6 having the locking part 4 which fixes the bead part 3 of the green tire 2 located in the drum 1, and the turn-up roller 5 is provided at the end thereof, points the hinge shaft 7. A roller (8) having a cylinder (8) and a cover holder (10) covering one end of the turn-up bar (1) to be operated by means of which the turn-up bar (6) is in contact with the bead portion (3) In the forming drum apparatus for manufacturing a green tire, the roller 5 comprises a cam follower 14 which moves in contact with a finger plate 12 and a cam 13 connected by a roller hinge 11. , 상기 턴업바(6)를 작용시키는 턴업바 커버(9)와 커버 호울더(10)는 힌지(15)를 매개로 연결되어 이루어진 것을 특징으로 하는 그린타이어 제조용 성형드럼장치.The turn-up bar cover (9) and the cover holder (10) acting on the turn-up bar (6) is a green drum manufacturing drum device, characterized in that made via a hinge (15). 삭제delete 제 1항에 있어서, 캠(13)은 스프링(17)에 의해 축방향으로 소량 이동가능하며, 복잡한 그린타이어 형상을 만족시켜 주는 것을 특징으로 하는 그린타이어 제조용 성형드럼 장치.2. The molding drum device according to claim 1, wherein the cam (13) is movable in a small amount in the axial direction by a spring (17), and satisfies a complex green tire shape.
KR10-2003-0064991A 2003-09-19 2003-09-19 Building Drum Machine for Greentire KR100532623B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847340B1 (en) 2008-04-11 2008-07-21 주식회사 우성기공 Rotating press type greentire manufacturing apparatus
KR101355396B1 (en) 2012-10-05 2014-01-28 (주)세화아이엠씨 Device of controlling constant pressure of finger for building drum
KR20170016535A (en) 2015-08-03 2017-02-14 한국타이어 주식회사 Bead lock apparatus of greentire shaping drum machine
KR101781798B1 (en) 2015-11-10 2017-09-27 한국타이어 주식회사 Building drum driving machine for greentire manufacturing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847340B1 (en) 2008-04-11 2008-07-21 주식회사 우성기공 Rotating press type greentire manufacturing apparatus
KR101355396B1 (en) 2012-10-05 2014-01-28 (주)세화아이엠씨 Device of controlling constant pressure of finger for building drum
KR20170016535A (en) 2015-08-03 2017-02-14 한국타이어 주식회사 Bead lock apparatus of greentire shaping drum machine
KR101708894B1 (en) * 2015-08-03 2017-02-22 한국타이어 주식회사 Bead lock apparatus of greentire shaping drum machine
KR101781798B1 (en) 2015-11-10 2017-09-27 한국타이어 주식회사 Building drum driving machine for greentire manufacturing

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