KR101206427B1 - Rubber injection molding system - Google Patents

Rubber injection molding system Download PDF

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Publication number
KR101206427B1
KR101206427B1 KR1020100087825A KR20100087825A KR101206427B1 KR 101206427 B1 KR101206427 B1 KR 101206427B1 KR 1020100087825 A KR1020100087825 A KR 1020100087825A KR 20100087825 A KR20100087825 A KR 20100087825A KR 101206427 B1 KR101206427 B1 KR 101206427B1
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South Korea
Prior art keywords
supply
piston
planar
rubber
cylinder
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KR1020100087825A
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Korean (ko)
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KR20120025745A (en
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정종철
남익희
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주식회사 평화이엔지
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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/586—Injection or transfer plungers
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
    • B29C2045/547—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw continuously rotating plasticising screw cooperating with a single injection plunger

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

본 발명은 선입선출식 고무사출성형장치에 관한 것으로 더 상세하게는 공급대기공간으로 먼저 공급된 고무가 먼저 사출되도록 함과, 사출시 공급대기공간 뒤로 고무가 역류하는 것을 방지되도록 한 것이다.
이에 본 발명은 선단에 사출로가 구성된 플란자실린더의 공급대기공간 상측으로 플란자피스톤과 메인피스톤 그리고 메인실린더로 되는 가압부가 수직으로 설치되고, 상기 플란자피스톤의 일단에 압출실린더 및 압출스크류로 되는 재료공급부를 직교되게 설치하여 압출실린더에서부터 공급대기공간까지 연통되는 충전로를 형성함과, 상기 공급대기공간 상측의 플란자피스톤의 끝에 역류방지용 체크볼을 구성한 것을 특징으로 하는 선입선출식 고무사출성형장치를 제공한다.The present invention relates to a first-in, first-out rubber injection molding apparatus, and more particularly to the first injection of the rubber supplied to the supply waiting space, and to prevent the backflow of the rubber behind the supply waiting space during injection.
In the present invention, the pressurizing portion consisting of the planar piston, the main piston and the main cylinder is installed vertically above the supply air space of the planar cylinder configured to the injection port at the tip, and the extrusion cylinder and the extrusion screw at one end of the planar piston First-in, first-out rubber injection, characterized in that the material supply unit is installed orthogonally to form a filling passage communicating from the extrusion cylinder to the supply air space, and a check ball for preventing backflow at the end of the planar piston of the upper air supply air space. Provide a molding apparatus.

Description

선입선출식 고무사출성형장치{Rubber injection molding system}First-in, first-out rubber injection molding machine {Rubber injection molding system}

본 발명은 선입선출식 고무사출성형장치에 관한 것으로 더 상세하게는 공급대기공간으로 먼저 공급된 고무가 먼저 사출되도록 재료공급부를 공급대기공간 후방으로 위치하고, 상기 공급대기공간을 가압하여 충전된 고무 사출시 고무의 역류를 방지하기 위해 플란자피스톤 끝에 체크볼을 구성한 것을 특징으로 하는 선입선출식 고무사출성형장치를 제공한다.
The present invention relates to a first-in, first-out rubber injection molding apparatus, and more particularly, a material injection part is located behind the supply waiting space so that the rubber first supplied to the supply waiting space is first injected, and the rubber is filled by pressurizing the supply waiting space. A first-in, first-out type rubber injection molding apparatus is characterized in that a check ball is formed at the end of a planar piston in order to prevent backflow of rubber at the time.

일반적으로 고무사출성형장치는 플란자실린더의 공급대기공간과 노즐부의 사출로 사이에 압출실린더 및 압출스크류로 구비되는 재료공급부를 구성시켜 상기 압출스크류에서 공급되는 고무가 플란자실린더의 공급대기공간을 끝에서부터 역순으로 충전한 후 공급대기공간이 완전히 충만되면 상기 공급대기공간에 충전된 고무를 메인실린더의 플란자피스톤이 가압하면서 주입되도록 하는 선입후출식이 대부분이었다.In general, the rubber injection molding apparatus constitutes a material supply unit provided with an extrusion cylinder and an extrusion screw between a supply air space of the planar cylinder and an injection path of the nozzle unit, so that the rubber supplied from the extruded screw provides a supply air space of the planar cylinder. After filling from the end in reverse order, the first-in, last-out formula was such that the rubber filled in the supply waiting space was injected while pressurizing the planar piston of the main cylinder.

이러한 선입후출의 사출방식은 공급대기공간에 먼저 투입된 고무가 가장 오래 머물면서 마지막에 배출되기 때문에 공급대기공간 후미에서 굳어져 정량공급이 곤란함은 물론 고무완성품의 조직이 균일하지 못하여 불량이 많은 문제점이 있다.
The injection method of the first-in, last-out is hardened at the end of the supply air space because the rubber put into the supply air space stays the longest and is discharged at the end. There is this.

이에 본 발명은 상기와 같은 종래의 문제점을 해소하기 위해 개발된 것으로 써, 특히 압출스크류 및 압출실린더로 구비되는 재료공급부를 공급대기공간 후방으로 위치시켜 공급대기공간의 밑에서부터 고무를 채운 후 사출되도록 함으로써, 공급대기공간에 먼저 투입되는 고무가 먼저 사출되도록 선입선출식으로 개량하여 공급부에서 충전되는 고무가 공급대기공간에서 전체적으로 머무는 시간을 균등하게 하여 굳어지는 것을 방지할 수 있게 함과, 사출시 공급대기공간 뒤로 고무가 밀리는 것을 방지함에 그 목적이 있다.
Therefore, the present invention was developed to solve the conventional problems as described above, in particular, the material supply unit provided with the extrusion screw and the extrusion cylinder is located in the rear of the supply waiting space to be injected after filling the rubber from the bottom of the supply waiting space By improving the first-in, first-out type so that the rubber that is first put into the supply waiting space is injected first, the rubber filled in the supply part can be prevented from hardening by equalizing the total time of staying in the supply waiting space and supplying the injection. The purpose is to prevent rubber from pushing behind the atmosphere.

상기 목적에 따른 본 발명의 구성은, 선단에 사출로가 구성된 플란자실린더의 공급대기공간 상측으로 플란자피스톤과 메인피스톤 그리고 메인실린더로 되는 가압부가 수직으로 설치되고, 상기 플란자피스톤의 일단에 압출실린더 및 압출스크류로 되는 재료공급부를 직교되게 설치하여 압출실린더에서 부터 공급대기공간까지 연통되는 충전로를 형성함과, 상기 공급대기공간 상측의 플란자피스톤의 끝에 역류방지용 체크볼을 구성한 것을 특징으로 한다.
The configuration of the present invention according to the above object, the pressurizing portion consisting of the planar piston, the main piston and the main cylinder vertically installed above the supply air space of the planar cylinder composed of the injection passage at the front end, at one end of the planar piston The material supply part consisting of the extrusion cylinder and the extrusion screw is installed at right angles to form a filling passage communicating from the extrusion cylinder to the supply waiting space, and a check ball for preventing the backflow at the end of the planar piston at the upper side of the supply waiting space. It is done.

상기와 같이 구성된 본 발명은 재료공급부가 공급대기공간 후방에 위치되어 공급대기공간에 먼저 충전되는 고무가 먼저 사출되도록 되어 있어 재료공급부에서 충전되는 고무가 공급대기공간에서 전체적으로 머무는 시간이 균등하여 재료가 오래 머물면서 미리 굳어지는 것을 방지할 수 있게 되고, 상기에서 재료공급부가 공급대기공간 후방으로 옮겨짐에 따라 체크볼의 위치를 공급대기공간을 가압하는 플란자피스톤의 끝에 장치함으로써, 사출시 공급대기공간 후방으로 고무가 밀리는 것을 방지시켜 재료의 공급을 안정적이고 효율적으로 이루어지게 함은 물론 정량공급으로 인한 제품의 품질을 향상할 수 있게 된다.
In the present invention configured as described above, the material supply part is located behind the supply waiting space so that the rubber filled first in the supply waiting space is injected first so that the rubber filled in the material supply part stays in the supply waiting space as a whole so that the material is It is possible to prevent the solidification in advance by staying for a long time, and by supplying the position of the check ball to the end of the planar piston to pressurize the supply standby space as the material supply unit is moved to the rear of the supply standby space, By preventing the rubber from being pushed backward, the supply of materials can be made stable and efficient, as well as the quality of the product due to the fixed quantity supply.

도 1은 본 발명의 예시도
도 2는 본 발명의 작동도
도 3은 본 발명의 체크볼 상세도이다.1 is an illustration of the present invention
2 is an operation of the present invention
3 is a detailed view of the check ball of the present invention.

본 발명의 바람직한 실시 예를 첨부된 도면과 함께 구체적으로 설명하면 다음과 같다. 단, 본 발명의 요지를 흐릴 수 있는 일반적인 기술내용이나 공지된 사항은 생략 또는 간단한 명칭 등으로 대체한다.
Referring to the preferred embodiment of the present invention in detail with the accompanying drawings as follows. However, general description or well-known matters that may obscure the gist of the present invention are omitted or replaced with a simple name.

첨부도면 도 1과 같이 본 발명에 따른 구성은, 선단에 사출로(12)가 구비되고 공급대기공간(10)을 가진 플란자실린더(1)와; 1 is a configuration according to the present invention, a planar cylinder (1) having an injection passage (12) at the tip and having a supply standby space (10);

상기 플란자실린더(1)의 공급대기공간(10)에 도입되어 공급대기공간을 피스톤작용으로 가압케 하는 플란자피스톤(2)과; A planar piston (2) introduced into the supply standby space (10) of the planar cylinder (1) to pressurize the supply standby space by a piston action;

상기 플란자실린더(1)로부터 안내레일(41)이 연결설치되어 플란자피스톤(2)을 하강시키는 메인피스톤(3) 및 메인실린더(4)로 되는 가압부와; A pressurizing part including a main piston (3) and a main cylinder (4) for lowering the planar piston (2) by connecting the guide rail (41) from the planar cylinder (1);

상기 플란자피스톤(2)과 메인피스톤(3) 그리고 압출실린더(5) 사이에 설치되어 메인피스톤(3)에서 플란자피스톤(2)을 연결함과, 플란자피스톤(2)과 안내레일(41) 상에 설치되어 압출실린더(5)를 직교방향으로 장착 및 지지하는 장치대(7) 및 지지대(8)와; Installed between the planar piston (2) and the main piston (3) and the extrusion cylinder (5) connecting the planar piston (2) in the main piston (3), the planar piston (2) and the guide rail ( A device stand 7 and a support stand 8 installed on the 41 to mount and support the extrusion cylinder 5 in an orthogonal direction;

상기 플란자피스톤(2)의 직교방향으로 설치되어 고체상태의 고무(A)를 용융 액화시킬 수 있게 히터발열체(51)에 의해 발열함과 동시에 모터(61)의 구동력으로 액체상태의 고무를 압출 공급케 하는 압출실린더(5) 및 압출스크류(6)로 되는 재료공급부와; It is installed in the orthogonal direction of the planar piston (2) to generate heat by the heater heating element (51) to melt and liquefy the solid state rubber (A) and at the same time extrudes the liquid state rubber with the driving force of the motor (61) A material supply part comprising an extrusion cylinder 5 and an extrusion screw 6 for supplying;

상기 압출실린더(5)로부터 플란자피스톤(2)을 거쳐 플란자실린더(1)의 공급대기공간(10)으로 연통되는 충전로(11)와; A filling passage (11) communicating from the extrusion cylinder (5) to the supply standby space (10) of the planar cylinder (1) via the planar piston (2);

상기 공급대기공간(1) 상측의 플란자피스톤(2) 끝에 장착된 고무 역류방지용 체크볼장치(21)로 이루어진다.It consists of a rubber backflow check ball device 21 mounted on the end of the planar piston (2) above the supply air space (1).

상기 체크볼(21)은 플란자피스톤(2) 끝에 볼수용부(20)를 마련하여 볼(22)을 개재한 후, 일측 경사방향으로 출구(230)가 형성된 노즐(23)을 플란자피스톤(2)과 나사결합으로 체결시켜 장착된다.
The check ball 21 is provided with a ball receiving portion 20 at the end of the planar piston (2) through the ball 22, and then the nozzle 23 in which the outlet 230 is formed in one inclined direction of the planar piston ( 2) is mounted by screwing.

첨부도면 도 2와 같이 본 발명의 구성에 따른 작용은, 재료공급부에 의해 투입되는 고무(1)는 압출실린더(5), 장치대(7), 플란자피스톤(2)의 충전로(11)를 따라 플란자실린더(1)의 공급대기공간(10)에 충전된다. As shown in FIG. 2, the rubber 1 introduced by the material supply unit includes the extrusion cylinder 5, the device table 7, and the filling furnace 11 of the planar piston 2. It is filled in the supply air space 10 of the planar cylinder (1) along.

이어서 공급대기공간(10)에 고무(10)가 충만되면 메인실린더(4)에 의해 메인피스톤(3) 및 플란자피스톤(2)이 안내레일(41)을 따라 하강하면서 공급대기공간(10)을 가압케 된다. Subsequently, when the rubber 10 is filled in the supply air space 10, the main cylinder 4 causes the main piston 3 and the planar piston 2 to descend along the guide rail 41 while supplying the air 10 to the air supply space 10. Will be pressed.

이때 플란자피스톤(2) 선단에 장착된 체크볼(21)이 진행방향 후측으로 밀리면서 충전로(11)를 막아 역류를 방지함과 동시에 피스톤작용으로 충전된 고무(A)를 사출케 되는 것이다.
At this time, the check ball 21 mounted on the end of the planar piston (2) is pushed to the rear side of the traveling direction to block the charging passage 11 to prevent backflow and to eject the rubber (A) filled by the piston action. .

따라서 본 발명은 재료공급부가 공급대기공간(10) 후방에 위치되어 공급대기공간에 먼저 충전되는 고무가 먼저 사출되도록 되어 있어 재료공급부에서 충전되는 고무가 공급대기공간(10)에서 전체적으로 머무는 시간이 균등하여 재료가 오래 머물면서 미리 굳어지는 것을 방지할 수 있게 되고, 상기에서 재료공급부가 공급대기공간 후방으로 옮겨짐에 따라 체크볼(21)의 위치를 공급대기공간을 가압하는 플란자피스톤(2)의 끝에 장치함으로써, 사출시 공급대기공간 후방으로 고무가 밀리는 것을 방지시켜 재료의 공급을 안정적이고 효율적으로 이루어질 수 있게 된다.
Therefore, in the present invention, the material supply part is located behind the supply waiting space 10 so that the rubber filled first in the supply waiting space is injected first, so that the time that the rubber filled in the material supply part stays in the supply waiting space 10 as a whole is equal. It is possible to prevent the material from staying in advance for a long time, and as the material supply unit is moved to the rear of the supply standby space of the planar piston (2) pressurizing the supply standby space of the position of the check ball 21 By installing at the end, the rubber can be prevented from being pushed behind the supply air space during injection, so that the supply of the material can be made stably and efficiently.

상기에서는 본 발명의 실시 예를 설명하였지만 해당기술분야의 숙련된 당업자는 본 발명의 실시 예에 기재된 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경시킬 수 있을 것이다.
Although the embodiments of the present invention have been described above, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope described in the embodiments of the present invention.

A: 고무 1: 플란자실린더
10: 공급대기공간 11: 충전로
12: 사출로 2: 플란자피스톤
20: 볼수용부 21: 체크볼
22: 볼 23: 노즐
230: 출구 3: 메인피스톤
4: 메인실린더 41: 안내레일
5: 압출실린더 51: 히터발열체
6: 압출스크류 61: 모터
7: 장치대 8: 지지대A: Rubber 1: Planar cylinder
10: Supply atmosphere 11: Charging furnace
12: injection furnace 2: flanzapistone
20: ball receptacle 21: check ball
22: ball 23: nozzle
230: exit 3: main piston
4: main cylinder 41: guide rail
5: extrusion cylinder 51: heater heating element
6: extrusion screw 61: motor
7: stand 8: support stand

Claims (2)

선단에 사출로(12)가 구성된 플란자실린더(1)의 공급대기공간(10) 상측으로 플란자피스톤(2)과 메인피스톤(3) 그리고 메인실린더(4)로 되는 가압부가 수직으로 설치되고,
상기 플란자피스톤(2)의 일단에 압출실린더(5) 및 압출스크류(6)로 되는 재료공급부를 직교되게 설치하여 압출실린더(5)에서부터 공급대기공간(10)까지 연통되는 충전로(11)를 형성하여 재료공급부로부터 공급되는 고무(A)를 공급대기공간(10) 하측부터 채운 후 가압부의 피스톤작용에 의해 선입된 고무를 선출되도록 함과,
상기 공급대기공간(10) 상측의 플란자피스톤(2)의 끝에 역류방지용 체크볼(21)을 구성하여 사출시 공급대기공간 후방으로 밀리는 고무의 역류를 방지되도록 한 것을 특징으로 하는 선입선출식 고무사출성형장치.
The pressurizing part consisting of the planar piston (2), the main piston (3) and the main cylinder (4) is installed vertically above the supply air space (10) of the planar cylinder (1) in which the injection passage (12) is formed at the front end. ,
A filling path 11 communicating with the extruded cylinder 5 and the extruded screw 6 at one end of the planar piston 2 orthogonally is installed so as to communicate from the extruded cylinder 5 to the supply standby space 10. Forming and filling the rubber (A) supplied from the material supply portion from the lower side of the supply air space (10) to be elected rubber by the piston action of the pressurizing portion,
First-in, first-out rubber, characterized in that the back flow prevention check ball 21 is formed at the end of the planar piston (2) above the supply air space 10 to prevent the back flow of the rubber that is pushed to the rear of the air supply space during injection Injection molding device.
제 1항에 있어서,
상기 체크볼(21)은 플란자피스톤(2) 끝에 볼수용부(20)를 마련하여 볼(22)을 개재한 후, 일측 경사방향으로 출구(230)가 형성된 노즐(23)을 플란자피스톤(2)과 나사결합으로 체결시켜 장착한 것을 특징으로 하는 선입선출식 고무사출성형장치.The method of claim 1,
The check ball 21 is provided with a ball receiving portion 20 at the end of the planar piston (2) through the ball 22, and then the nozzle 23 in which the outlet 230 is formed in one inclined direction of the planar piston ( 2) First-in, first-out rubber injection molding apparatus, characterized in that it is mounted by screwing.
KR1020100087825A 2010-09-08 2010-09-08 Rubber injection molding system KR101206427B1 (en)

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KR101206427B1 true KR101206427B1 (en) 2012-11-29

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10278083A (en) 1997-04-10 1998-10-20 Toshiba Silicone Co Ltd Screw for injection molding machine of liquid silicone rubber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10278083A (en) 1997-04-10 1998-10-20 Toshiba Silicone Co Ltd Screw for injection molding machine of liquid silicone rubber

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