KR20030056196A - Tread Pricking Device - Google Patents

Tread Pricking Device Download PDF

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Publication number
KR20030056196A
KR20030056196A KR1020010086370A KR20010086370A KR20030056196A KR 20030056196 A KR20030056196 A KR 20030056196A KR 1020010086370 A KR1020010086370 A KR 1020010086370A KR 20010086370 A KR20010086370 A KR 20010086370A KR 20030056196 A KR20030056196 A KR 20030056196A
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KR
South Korea
Prior art keywords
tread
pricking
pins
along
shock absorbing
Prior art date
Application number
KR1020010086370A
Other languages
Korean (ko)
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KR100441956B1 (en
Inventor
박종문
이범한
Original Assignee
한국타이어 주식회사
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Priority to KR10-2001-0086370A priority Critical patent/KR100441956B1/en
Publication of KR20030056196A publication Critical patent/KR20030056196A/en
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Publication of KR100441956B1 publication Critical patent/KR100441956B1/en

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Classifications

    • 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)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • 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
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • 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)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/242—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts
    • 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)
    • B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
    • 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
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B29D2030/0022—Handling green tyres, e.g. transferring or storing between tyre manufacturing steps

Abstract

PURPOSE: Provided is a tread pricking equipment which automatically implements pricking work for short time so that it contributes to raise productivity, with reducing inferior rate. CONSTITUTION: In a tread winder which winds a tread(1) at a winding drum through a pricking part(3) along a transfer conveyer(2), the tread pricking equipment comprises the parts of: a working sheet(6) which is connected to an elevating cylinder(5), which is placed at an upper stand to prick the tread transferred along the transfer conveyer; a linear guide axis(8) which is connected to the working sheet to connect shock absorbing pins(11) and a spacer(10) with plural pricking pins(9); and a grip sheet(12) which is placed at freedom end of the shock absorbing springs.

Description

트레드 프리킹 장치{Tread Pricking Device}Tread Pricking Device

본 발명은 트럭, 버스용 타이어를 생산하는 공정중 그린타이어를 성형하는 공정에서 반제품인 트레드에 남아 있는 공기를 없애기 위한 트레드 프리킹장치에 관한 것으로, 특히 프리킹 작업의 생산성 향상과 불량율을 감소시킨 개선된 트레드 프리킹장치에 관한 것이다.The present invention relates to a tread frying device for removing air remaining in the tread, which is a semi-finished product in the process of forming a green tire in the process of producing tires for trucks and buses. An improved tread frieking device is provided.

주지된 바와 같이 트럭, 버스용 타이어를 생산함에 있어서 성형공정은 이 성형공정 전에 제조된 반제품들을 조립하여 타이어 형상을 만드는 공정으로서, 이 성형공정에서 생산된 반제품은 통상적으로 그린타이어라 칭하며, 이 그린타이어를 생산하는 과정은 앞공정에서 생산된 반제품들을 드럼에 와인딩하고, 와인딩된 반제품들을 압착(Stitching) 등으로 마무리하게 되어 있는바, 이러한 성형공정에서 가장크고 중량이 많이 나가는 반제품은 트레드인데, 이 트레드를 권취드럼에 와인딩하고 압착하는 과정에서 이 트레드와 그 안쪽 1차 카카스 사이에 허용크기 이상의 공기기포가 그린타이어에 잔류되어 남아 있을때 제품의 불량이 발생되기 때문에 작업자가 완성된 그린타이어를 송곳과 같은 도구를 이용하여 수십차례 찌르는 프리킹 작업을 수행하게 되어 있다.As is well known, in the production of tires for trucks and buses, the molding process is a process of assembling semi-finished products manufactured before the molding process to form a tire shape. The semi-finished products produced in this molding process are commonly referred to as green tires. The tire production process involves winding the semi-finished products produced in the previous process to the drum and finishing the wound semi-finished products by squeezing. The biggest and heaviest semi-finished product in this molding process is the tread. In the process of winding and compressing the tread to the winding drum, when the air bubbles more than the allowable size remain in the green tire between the tread and the inner primary carcass, product defects occur. Doing dozens of staking frying jobs with tools like It can control.

그러나 종래 이와 같은 성형공정에서의 프리킹작업은 작업자가 한조에 생산하는 대형 그린타이어가 약 90본에 이르고, 생산된 그린타이어의 트레드에 대한 수동 프리킹작업을 1본도 거를수 없으므로 1본의 트레드에 대한 수동 프리킹의 횟수가 50회 정도이며, 이 작업을 하는데 약 2분정도의 시간이 소요되는 등 작업의 노동강도가 큰 문제점이 있었다.However, in the conventional forming process, the frying operation is about 90 pieces of large green tires that a worker produces in one set, and the manual frying work on the tread of the produced green tires is not possible. The number of manual fringing on the tread of 50 was about 50 times, and it took about 2 minutes to do this work.

또한 트레드 프리킹작업중 작업자의 피로도 증가에 따라 작업집중도의 저감으로 불량률이 발생될 수 있으며, 작업사이클의 증가로 생산성을 저하시키는 문제점도 지니고 있었다.In addition, as the fatigue of the worker during the tread fringing work, the failure rate can be generated by reducing the work concentration, and the increase in the working cycle also had the problem of lowering productivity.

한편, 종래에도 대한민국 공개실용신안공보 제92-17,887호로 제안된 프리킹장치가 있으나, 이 기술은 멀티스핀들 헤드를 이용하여 그린타이어의 곡선에 맞게스핀들을 형성한 구조이나, 그 구조가 복잡하고 그린타이어의 곡률면을 따라 프리킹작업이 이루어짐에 따라 작업의 효율성이 떨어지는 문제점이 있었다.On the other hand, there is a frying device proposed in the Republic of Korea Utility Model Publication No. 92-17,887 in the prior art, but this technique is a structure in which the spins are formed in accordance with the curve of the green tire using a multi-spindle head, but the structure is complicated and green As the frying work is performed along the curvature surface of the tire, there is a problem in that work efficiency is reduced.

이에 본 발명은 상기와 같은 종래 문제점을 해결하기 위해 발명된 것으로, 릴을 통하여 공급되는 트레드가 이송 콘베이어를 따라 프리킹부를 거쳐 공지의 드럼에 와인딩 되는 트레드 권취장치에 있어서, 상기 프리킹부는 이송콘베이어를 따라 이송되는 트레드를 프리킹하기 위해 상부기대에 장착된 승하강용 실린더에는 가동판이 연결되고, 이 가동판은 상부쪽으로 연장 설치된 스프링을 갖춘 선형 가이드 축들에 연결되면서 프리킹핀들이 다수 배치된 스페이서와 완충스프링들을 매개로 연결되고 이 완충스프링들의 자유단에는 그립판이 설치되어 있다.Accordingly, the present invention has been invented to solve the conventional problems as described above, in the tread winding device that the tread supplied through the reel is wound on the known drum through the frying unit along the conveying conveyor, the frying unit conveying conveyor The movable plate is connected to the lifting cylinder mounted on the upper base for frying the tread transported along the movable plate, and the movable plate is connected to linear guide shafts having springs extending upwardly, and a buffer with a large number of fringing pins is disposed. It is connected via springs and a grip plate is installed at the free end of the shock absorbing springs.

도 1은 본 발명이 적용된 작업대의 전체 측면도,1 is an overall side view of a work bench to which the present invention is applied;

도 2는 본 발명의 요부 확대 정면도이다.2 is an enlarged front view of main parts of the present invention.

- 도면의 주요부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawings-

1 - 트레드2 - 이송콘베이어1-Tread 2-Transfer Conveyor

3 - 프리킹부4 - 상부기대3-Friking part 4-Upper part

5 - 승하강용 실린더6 - 가동판5-lifting cylinder 6-movable plate

7 - 스프링8 - 선형가이드축7-Spring 8-Linear Guide Shaft

9 - 프리킹핀10 - 스페이서9-Friking Pin 10-Spacer

11 - 완충스프링12 - 그립판11-shock absorber 12-grip plate

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

도 1은 본 발명이 적용된 트레드 권취장치 전체를 나타낸 측면도이고, 도 2는 본 발명의 요부인 프리킹장치의 확대 정면도이다.1 is a side view showing an entire tread take-up device to which the present invention is applied, and FIG. 2 is an enlarged front view of a frying device which is a main part of the present invention.

본 발명은 도 1에 도시된 바와 같이 공지의 릴에 감겨진 트레드 (1)가 이송콘베이어(2)의 화살표 방향을 따라 이송되어 권취드럼에 와인딩 되어 질때 프리킹부(3)에 의하여 프리킹작업이 자동으로 수행된다.According to the present invention, when the tread (1) wound on a known reel is conveyed along the direction of the arrow of the conveying conveyor (2) and is wound on the winding drum, the flicking operation is performed by the frying part (3). It is done automatically.

즉 본 발명은 릴을 통하여 공급되는 트레드(1)과 이송 콘베이어(2)를 따라 프리킹부(3)를 거쳐 공지의 권취드럼에 와인딩되는 트레드 권취장치에 있어서, 상기 프리킹부(3)는 이송 콘베이어(2)를 따라 이송되는 트레드(1)를 프리킹하기 위해상부기대(4)에 장착된 승하강용 실린더(5)에 가동판(6)이 연결되고, 이 가동판(6)은 상부쪽으로 연장 설치된 스프링(7)을 갖춘 선형가이드축(8)들에 연결되면서 프리킹핀(9)들이 다수 배치된 스페이서(10)와 완충스프링들(11)을 매개로 연결되고 이 완충스프링들(11)의 자유단에는 그립판(12)이 설치되어 있다.That is, according to the present invention, in the tread winding device which is wound on a known winding drum via a flicking unit 3 along a tread 1 and a conveying conveyor 2 supplied through a reel, the frying unit 3 is a conveying conveyor. The movable plate 6 is connected to an elevating cylinder 5 mounted on the upper base 4 to freck the tread 1 conveyed along (2), and the movable plate 6 extends upwards. It is connected to the linear guide shaft (8) having a spring (7) is installed and connected via a spacer 10 and a plurality of buffer springs (11) in which a plurality of fringing pins (9) are arranged, The grip plate 12 is provided in the free end.

본 발명의 작용을 설명하면, 트레드(1)가 이송중 프리킹부(3)의 하단부에 위치하면, 이송되는 트레드(1)는 정지하게 되고 이어 프리킹작업이 수행되는바, 먼저 승하강용 실린더(5)의 하강작용으로 가동판(6)이 선형가이드축(8)의 안내를 받아서 화살표 나 방향으로 하강 작동하게 되면 스페이서(10)와 그립판(12)도 하강하게 된다.Referring to the operation of the present invention, when the tread 1 is located at the lower end of the freezing part 3 during the transfer, the tread 1 to be transported is stopped and then the preking operation is performed. When the movable plate 6 is moved downward in the direction of the arrow by the guide of the linear guide shaft 8 by the lowering action of 5), the spacer 10 and the grip plate 12 are also lowered.

그런 다음, 상기 그립판(1)이 트레드(1)에 먼저 접하고, 이어 스페이서(10)에 설치된 프리킹판(3)들이 트레드(1)에서 프리킹작업을 수행하게 된다.Then, the grip plate 1 is in contact with the tread 1 first, and then the frying plates 3 installed on the spacer 10 perform the fringing operation on the tread 1.

상기와 같이 프리킹작업을 수행한 다음, 트레드(1)에서 프리킹핀(9)들이 이탈하게 될때 상기 그립판(12)이 트레드(1)를 잡아주면서 이탈하게 되어 프리킹핀(3)들의 이탈을 도와주게 된다.After performing the flicking operation as described above, when the flicking pins 9 are separated from the tread 1, the grip plate 12 is released while holding the tread 1 to remove the flicking pins 3. Will help.

그런 다음, 상기 승하강용 실린더(5)와 스피링(7)의 복원력에 의해 상기 가동판(6)과 스페이서(10) 및 그립판(12)들은 화살표 나방향의 반대방향으로 승강하여 원위치 되어진다.Then, the movable plate 6, the spacer 10, and the grip plate 12 are raised and lowered in the opposite directions to the arrow direction by the restoring force of the elevating cylinder 5 and the spring 7 .

상기와 같이 본 발명이 따른 트레드 프리킹장치는 프리킹작업을 자동으로 신속하게 수행함에 따라 생산성이 증대되면서 트레드의 프리킹 불량작업을 없앨수 있는 잇점 등이 있다.As described above, the tread frying apparatus according to the present invention has an advantage of eliminating defective work of tread while increasing productivity as the flicking operation is automatically and quickly performed.

Claims (1)

릴을 통하여 공급되는 트레드(1)과 이송 콘베이어(2)를 따라 프리킹부(3)를 거쳐 공지의 권취드럼에 와인딩되는 트레드 권취장치에 있어서,In the tread take-up device, which is wound on a known winding drum via a frying unit 3 along a tread 1 and a conveying conveyor 2 supplied through a reel, 상기 프리킹부(3)는 이송 콘베이어(2)를 따라 이송되는 트레드(1)를 프리킹하기 위해 상부기대(4)에 장착된 승하강용 실린더(5)에 가동판(6)이 연결되고, 이 가동판(6)은 상부쪽으로 연장 설치된 스프링(7)을 갖춘 선형가이드축(8)들에 연결되면서 프리킹핀(9)들이 다수 배치된 스페이서(10)와 완충스프링들(11)을 매개로 연결되고 이 완충스프링들(11)의 자유단에는 그립판(12)이 설치되어 이루어진 것을 특징으로 하는 트레드 프리킹장치.The movable plate 3 is connected to the lifting cylinder 6 mounted on the upper base 4 to freeze the tread 1 conveyed along the conveying conveyor 2. The movable plate 6 is connected to the linear guide shafts 8 having the springs 7 extending upwardly, and connecting the spacer 10 and the shock absorbing springs 11 having a plurality of fringing pins 9 arranged thereon. And a grip plate 12 is installed at a free end of the buffer springs 11.
KR10-2001-0086370A 2001-12-27 2001-12-27 Tread Pricking Device KR100441956B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2001-0086370A KR100441956B1 (en) 2001-12-27 2001-12-27 Tread Pricking Device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0086370A KR100441956B1 (en) 2001-12-27 2001-12-27 Tread Pricking Device

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KR100441956B1 KR100441956B1 (en) 2004-07-27

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100577050B1 (en) 2005-01-07 2006-05-08 한국타이어 주식회사 Pricking apparatus of tread
KR101268379B1 (en) 2011-03-03 2013-05-28 금호타이어 주식회사 Device for pricking semi-manufactured products of tire
KR101285196B1 (en) 2011-12-15 2013-07-11 한국타이어 주식회사 Pricking device of heavy tire tread
CN104084979B (en) * 2013-12-04 2016-02-17 安徽精致机电科技有限公司 Sidewall extrusion line automatic piercing machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0361034A (en) * 1989-07-29 1991-03-15 Bridgestone Corp Apparatus for making vent hole in tread end
JPH0825515A (en) * 1994-07-20 1996-01-30 Bridgestone Corp Manufacture of retreaded tire
KR200150136Y1 (en) * 1997-04-07 1999-07-01 신형인 Pricking roll apparatus for rubber sheet
JP3507725B2 (en) * 1999-04-23 2004-03-15 住友ゴム工業株式会社 Conveyor drilling device

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