KR970064870A - Gas injection forced exhaust - Google Patents

Gas injection forced exhaust Download PDF

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Publication number
KR970064870A
KR970064870A KR1019960009464A KR19960009464A KR970064870A KR 970064870 A KR970064870 A KR 970064870A KR 1019960009464 A KR1019960009464 A KR 1019960009464A KR 19960009464 A KR19960009464 A KR 19960009464A KR 970064870 A KR970064870 A KR 970064870A
Authority
KR
South Korea
Prior art keywords
gas
gas injection
nozzle
valve
exhaust
Prior art date
Application number
KR1019960009464A
Other languages
Korean (ko)
Inventor
변성광
Original Assignee
배순훈
대우전자 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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019960009464A priority Critical patent/KR970064870A/en
Publication of KR970064870A publication Critical patent/KR970064870A/en

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  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

본 발명은 가스 사출 성형기에서 사출직후 내부에 잔류하는 가스를 강제로 배기하여 사출품의 결함을 조래하는 현상을 방지하는 가스사출 강제 배기장치를 제공한다.The present invention provides a gas injection forced exhaust system for preventing a phenomenon in which a gas remained in the interior of a gas injection molding machine immediately after injection is forcibly exhausted, thereby preventing a defect in a product from being smeared.

그 가스사출 강제 배기장치는, 소정의 진공압을 형성하는 진공펌프(29); 상기 진공펌프(29)와 노즐(16)사이에 배관연결 되는 배출 도관(27); 상기 배출도관(27)상에서 노즐(16)과의 최단거리 지점에 장착되는 개폐밸브(25); 그리고 상기 배출도관(27)상에 장착되고, 상기 개폐밸브(25)의 온 오프제어 출력을 발생하는 가스배출 제어기(28)를 포함하는 것을 특징으로 하는 가스사출 강제 배기장치를 제공한다.The gas injection forced exhaust apparatus comprises a vacuum pump (29) for forming a predetermined vacuum pressure; A discharge conduit 27 piped between the vacuum pump 29 and the nozzle 16; An on-off valve (25) mounted on the exhaust conduit (27) at a shortest distance from the nozzle (16); And a gas discharge controller (28) mounted on the discharge conduit (27) for generating an on / off control output of the on / off valve (25).

이에 따라, 가스 사출 성형기에서 공급된 질소가스가 완전히 배출되도록 배기장치를 연결하고 적절한 진공압을 형성시킴으로써, 질소가스가 사출성형품에 미치는 표면 요철 및 색상변질 등의 결함을 방지하는 효과가 있다.Accordingly, there is an effect of preventing defects such as surface irregularities and color change on the injection-molded product due to the nitrogen gas by connecting the exhaust device and forming an appropriate vacuum pressure to completely exhaust the nitrogen gas supplied from the gas injection molding machine.

Description

가스 사출 강제배기 장치Gas injection forced exhaust

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

제1도는 종래의 사출 성형기의 작동전 상태를 나타내는 예시도, 제2도는 제1도의 작동 완료상태를 나타내는 예시도, 제3도는 본 발명에 따른 사출 성형기의 장치 구성을 나타내는 예시도.FIG. 1 is an exemplary view showing a state before the operation of a conventional injection molding machine, FIG. 2 is an example showing an operation completed state in FIG. 1, and FIG. 3 is an example showing an apparatus configuration of an injection molding machine according to the present invention.

Claims (2)

노즐(16)을 통해 용융 수지 및 질소가스를 금형(11)의 캐비티(11a)속으로 사출하여 성형후 가스를 강제 배출하는 장치에 있어서; 소정의 진공압을 형성하는 진공펌프(29); 상기 진공펌프(29)와 노즐(16)사이에 배관연결되는 배출도관(27); 상기 배출도관(27)상에서 노즐(16)과의 최단거리 지점에 장착되는 개폐밸브(25); 그리고 상기 배출도관(27)상에 장착되고, 상기 개폐밸브(25)의 온, 오프제어 출력을 발생하는 가스배출 제어기(28)를 포함하는 것을 특징으로 하는 가스사출 강제 배기장치.An apparatus for injecting a molten resin and a nitrogen gas into a cavity (11a) of a mold (11) through a nozzle (16) and forcibly discharging a gas after molding; A vacuum pump 29 for forming a predetermined vacuum pressure; A discharge conduit 27 piped between the vacuum pump 29 and the nozzle 16; An on-off valve (25) mounted on the exhaust conduit (27) at a shortest distance from the nozzle (16); And a gas discharge controller (28) mounted on the discharge conduit (27) for generating an on / off control output of the on / off valve (25). 상기 제1항에 있어서, 상기 가스배출 제어기(28)는 개폐밸브(25)의 구동회로를 지니고, 외부에서 마스터 컨트롤러(30)를 추가로 구비하여 질소 배출 조건의 판단에 따라 작동의 지령을 전송받는 것을 특징으로 하는 가스사출 강제 배기장치.The apparatus according to claim 1, wherein the gas discharge controller (28) has a drive circuit of an on / off valve (25), and further includes a master controller (30) Wherein said gas injection forced exhaust device is a gas injection device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960009464A 1996-03-30 1996-03-30 Gas injection forced exhaust KR970064870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960009464A KR970064870A (en) 1996-03-30 1996-03-30 Gas injection forced exhaust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960009464A KR970064870A (en) 1996-03-30 1996-03-30 Gas injection forced exhaust

Publications (1)

Publication Number Publication Date
KR970064870A true KR970064870A (en) 1997-10-13

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Application Number Title Priority Date Filing Date
KR1019960009464A KR970064870A (en) 1996-03-30 1996-03-30 Gas injection forced exhaust

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704402B1 (en) * 2005-09-22 2007-04-06 이종항 A gas discharge device with Valve Gate
KR100800990B1 (en) * 2007-02-23 2008-02-04 주식회사 대미 Method for controlling air pressure of a forming mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704402B1 (en) * 2005-09-22 2007-04-06 이종항 A gas discharge device with Valve Gate
KR100800990B1 (en) * 2007-02-23 2008-02-04 주식회사 대미 Method for controlling air pressure of a forming mold

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