KR970069300A - A device for preventing the resin from flowing out of an injection molding die - Google Patents

A device for preventing the resin from flowing out of an injection molding die Download PDF

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Publication number
KR970069300A
KR970069300A KR1019960013536A KR19960013536A KR970069300A KR 970069300 A KR970069300 A KR 970069300A KR 1019960013536 A KR1019960013536 A KR 1019960013536A KR 19960013536 A KR19960013536 A KR 19960013536A KR 970069300 A KR970069300 A KR 970069300A
Authority
KR
South Korea
Prior art keywords
hot runner
resin
runner tip
tip
shut
Prior art date
Application number
KR1019960013536A
Other languages
Korean (ko)
Other versions
KR0179731B1 (en
Inventor
임근수
Original Assignee
오상수
만도기계 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 오상수, 만도기계 주식회사 filed Critical 오상수
Priority to KR1019960013536A priority Critical patent/KR0179731B1/en
Publication of KR970069300A publication Critical patent/KR970069300A/en
Application granted granted Critical
Publication of KR0179731B1 publication Critical patent/KR0179731B1/en

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Classifications

    • 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
    • B29C45/20—Injection nozzles

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

본 발명은 사출 성형용 금형의 수지 흘러내림 방지장치에 관한 것으로, 고정측 형판(11)의 내부에 삽입 설치되는 핫 런너 노즐(12)의 하단부에 하면이 고정측 형판(11)과 동일 평면을 이루도록 나사 결합되고 수지 주입공(13a)의 하부에 단턱면(13b)이 형성된 핫 런너 팁(13)과, 상기 핫 런너 팁(13)의 수지 주입공(13a)에 승강가능하도록 결합되어 완전하게 하강된 상태에서 고정측 형판(11)의 하면으로부터 일정 길이(P)만큼 돌출되고 핫 런너 팁(13)의 단턱면(13b)에 의하여 개폐되는 수개의 런너(14a)가 형성된 셧 오프 핀(shut off pin)(14)과, 상기 핫 런너 팁(13)의 내부에 삽입되어 셧 오프 핀(13)을 하향으로 탄력지지하는 압축스프링 등의 탄성부재(15)로 구성하여 금형의 개방과 동시에 핫 런너 팁의 유로를 즉시 차단함으로써 수지가 임으로 흘러내리는 현상을 방지하도록 한 것이다.The lower end of the hot runner nozzle (12) inserted into the fixed side mold plate (11) is flush with the fixed side mold plate (11) A hot runner tip 13 having a stepped surface 13b formed at the lower portion of the resin injection hole 13a so as to be able to move up and down to the resin injection hole 13a of the hot runner tip 13, A shutoff pin shut having a plurality of runners 14a protruding from the lower surface of the fixed side mold plate 11 by a predetermined length P and being opened and closed by the stepped surface 13b of the hot runner tip 13, and an elastic member 15 such as a compression spring inserted into the inside of the hot runner tip 13 and supporting the shut-off pin 13 in a downward direction, The flow path of the runner tip is immediately blocked to prevent the resin from flowing down It is.

Description

사출 성형용 금형의 수지 흘러내림 방지장치A device for preventing the resin from flowing out of an injection molding die

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 일반적인 사출 성형용 금형의 핫 런너를 보인 구성도, 제2도는 종래 기술에 의한 사출 성형용 금형의 핫 런너 팁을 보인 단면도, 제3도 내지 제5도는 종래 기술에 의한 핫 런너 팁의 다른 예를 보인부분 절결 단면도, 제6도는 본 발명에 의한 사출 성형용 금형의 수지 흘러내림 방지장치를 보인 단면도, 제7도 및 제8도는 본 발명에 의한 수지 흘러내림 방지장치의 작용을 보인 것으로, 제7도는 금형이 개방되어 수지 유로가 닫혀진 상태를 보인 단면도, 제8도는 금형이 닫혀져 수지 유로가 개방된 상태를 보인 단면도, 제9도는 본 발명에 의한 수지 흘러내림 방지장치의 저면도.FIG. 1 is a cross-sectional view showing a hot runner of a general injection molding die, FIG. 2 is a cross-sectional view showing a hot runner tip of a conventional injection molding mold, FIG. 6 is a cross-sectional view showing an apparatus for preventing resin flow-down prevention of a mold for injection molding according to the present invention, and FIGS. 7 and 8 show the operation of the resin flow- Fig. 8 is a cross-sectional view showing a state in which a mold is opened and a resin flow path is closed, Fig. 8 is a cross-sectional view showing a state in which a mold is closed and a resin flow path is opened, and Fig. 9 is a bottom view of the resin flow-

Claims (2)

고정측 형판의 내부에 삽입 설치되는 핫 런너 노즐의 하단부에 나사결합되고 수지 주입공의 하부에 단턱면이 형성된 핫 런너 팁과, 상기 핫 런너 팁의 수지 주입공에 고정측 형판의 하면으로부터 일정 길이만큼 돌출되도록 승강 가능하게 결합되고 핫 런너 팁의 단턱면에 의하여 개폐되는 수개의 수지 통과공이 형성된 셧 오프 핀과, 상기 핫 런너 팁의 내부에 삽입되어 셧 오프 핀을 하향으로 탄력지지하는 탄성부재로 구성함을 특징으로 하는 사출 성형용 금형의 수지 흘러내림 방지장치.A hot runner tip screwed into a lower end portion of a hot runner nozzle inserted into the fixed side mold plate and having a stepped surface at a lower portion of the resin injection hole; And a plurality of resin passage holes formed in the upper surface of the hot runner tip to be opened and closed by a stepped surface of the hot runner tip and an elastic member inserted into the hot runner tip to elastically support the shut- And the resin flow-out preventing device of the injection-molding mold. 제1항에 있어서, 상기 탄성부재는 핫 런너 팁의 수지 주입공에 삽입되어 상단부가 핫 런너 팁의 저면에 지지되고 하단부가 셧 오프 핀의 상면에 지지되는 압축 코일스프링인 것을 특징으로 하는 사출 성형용 금형의 수지 흘러내림 방지장치.2. The injection molding machine according to claim 1, wherein the elastic member is a compression coil spring inserted into the resin injection hole of the hot runner tip and having an upper end supported on the bottom surface of the hot runner tip and a lower end supported on the upper surface of the shut- A resin flow preventing device for a mold. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960013536A 1996-04-29 1996-04-29 Resin checking apparatus of the injection mold KR0179731B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960013536A KR0179731B1 (en) 1996-04-29 1996-04-29 Resin checking apparatus of the injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960013536A KR0179731B1 (en) 1996-04-29 1996-04-29 Resin checking apparatus of the injection mold

Publications (2)

Publication Number Publication Date
KR970069300A true KR970069300A (en) 1997-11-07
KR0179731B1 KR0179731B1 (en) 1999-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960013536A KR0179731B1 (en) 1996-04-29 1996-04-29 Resin checking apparatus of the injection mold

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102240758B1 (en) * 2020-01-21 2021-04-19 주식회사 큐네스글로벌 Nozzle apparatus for infection machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102011001B1 (en) * 2016-05-16 2019-08-14 김혁중 Hotrunner system
KR102522069B1 (en) * 2021-03-25 2023-04-14 김혁중 A Gate Type Hot Runner Valve System on Pressure Equilibrium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102240758B1 (en) * 2020-01-21 2021-04-19 주식회사 큐네스글로벌 Nozzle apparatus for infection machine

Also Published As

Publication number Publication date
KR0179731B1 (en) 1999-05-15

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