KR0136506Y1 - Injection molding machine with gas exhausting device - Google Patents
Injection molding machine with gas exhausting device Download PDFInfo
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- KR0136506Y1 KR0136506Y1 KR2019930022623U KR930022623U KR0136506Y1 KR 0136506 Y1 KR0136506 Y1 KR 0136506Y1 KR 2019930022623 U KR2019930022623 U KR 2019930022623U KR 930022623 U KR930022623 U KR 930022623U KR 0136506 Y1 KR0136506 Y1 KR 0136506Y1
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- South Korea
- Prior art keywords
- gas discharge
- gas
- injection molding
- molding machine
- molding material
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Classifications
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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
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/812—Venting
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
사출성형 장치에 관한 내용으로 특히 사출성형 장치의 가스 배출장치에 관한 내용이 개시되어 있다.The content of the injection molding apparatus is disclosed in particular the gas discharge device of the injection molding apparatus.
성형재료에서 발생된 가스를 사다리꼴런너에서 외부로 배출시킨 후에 제품을 성형하는 캐비티로 주입하여 성형성을 좋게 하는 이 장치는 사다리꼴런너의 하부에 설치된 가스배출코어(18)에 내설된 홈 (18d), (18e), (18b), (18c), 통로(3)를 거쳐서 가스를 배출하고, 보다 원활히 배출하기 위하여 통로(3)의 끝단에 설치된 니쁠(4)과 호스(4a)에 연결된 흡입기구를 통하여 강제 배출된 후, 성형재료는 핀포인트 게이트(31)통하여 캐비티(30)에 충전되어 성형제품이 완성되는 장치로서 사출성형 제품의 불량요인인 웰드라인, 미성형, 기포, 타버림 등이 개선되어 복잡한 부품의 양산시에도 불량률을 최소화할 수 있다.This device, which discharges the gas generated from the molding material to the outside from the trapezoidal runner and injects the product into the cavity for forming the product, improves formability. The groove 18d in the gas discharge core 18 installed in the lower part of the trapezoidal runner is provided. (18e), (18b), (18c), the intake mechanism connected to the nipple (4) and the hose (4a) installed at the end of the passage (3) to discharge the gas through the passage (3), more smoothly After forcibly discharged through the molding material, the molding material is filled in the cavity 30 through the pinpoint gate 31 to complete the molded product, such as weld lines, unformed, bubbles, burnout, etc. It can be improved to minimize defect rate even in the production of complex parts.
Description
제1도 종래의 가스 배출장치가 설치된 사출성형기의 단면도.1 is a cross-sectional view of an injection molding machine equipped with a conventional gas discharge device.
제2도 본 고안에 따른 가스 배출장치가 설치된 사출성형기의 단면도.2 is a cross-sectional view of the injection molding machine equipped with a gas discharge device according to the present invention.
제3도 본 고안에 따른 가스 배출장치가 설치된 사출성형기의 가스배출코어 사시도.3 is a perspective view of a gas discharge core of an injection molding machine equipped with a gas discharge device according to the present invention.
제4도 본 고안에 따른 가스 배출장치가 설치된 사출성형기의 사다리꼴런너 상세도.Figure 4 is a detailed view of the trapezoidal runner of the injection molding machine equipped with a gas discharge device according to the present invention.
제5도 본 고안에 따른 가스 배출장치가 설치된 사출성형기의 사다리꼴런너 횡단면도.Figure 5 is a cross-sectional view of the trapezoidal runner of the injection molding machine equipped with a gas discharge device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 고정측설치판 2 : 런너스트리퍼판1 fixed side mounting plate 2 runner stripper plate
3 : 통로 4 : 니쁠3: passage 4: nipple
4a : 호스 5 : 제품4a: Hose 5: Product
6 : 가동측코어 7 : 가동측받침판6: movable side core 7: movable side support plate
8 : 다리 9 : 핀지지판8: leg 9: pin support plate
10 : 밀판 11 : 스톱핀10: plate 11: stop pin
12 : 가동측설치판 13 : 로케이팅12: movable side mounting plate 13: locating
14 : 스프루부시 16 : 런너코어핀14 sprue bush 16: runner core pin
17 : 가이드핀 18 : 가스배출코어17: guide pin 18: gas discharge core
18a : 가스배출홈 18b : 가스배출홈18a: gas discharge groove 18b: gas discharge groove
18c : 가스배출홈 18d : 가스배출홈18c: gas discharge groove 18d: gas discharge groove
18e : 가스배출홈 19 : 맞춤핀18e: gas discharge groove 19: dowel pin
20 : 볼트 21 : 밀핀20 Bolt 21 Milpin
22 ; 가스배출홈 23 : 통로22; Gas exhaust groove 23: passage
24 : 사다리꼴런너 25 : 고정측형판24: trapezoidal runner 25: fixed side plate
26 : 가동측형판 27 : 가스배출구멍26: movable side plate 27: gas discharge hole
29 : 유동주입구 30 : 캐비티29: flow inlet 30: cavity
31 : 핀포인트게이트31: Pinpoint Gate
본 고안은 사출성형 장치에 관한 것으로서, 특히 사출성형 장치의 가스 배출장치에 관한 것이다.The present invention relates to an injection molding apparatus, and more particularly to a gas discharge device of the injection molding apparatus.
일반적으로 사출성형장치에 있어서 사출성형을 할 때 성형재료의 고유 특성에 의한 가스가 금형 내에서 발생되어 성형성을 저하시키고, 성형 제품의 불량 요인인 웰드라인, 미성형, 기포, 타버림 등이 발생하여, 많은 문제점으로 되어 있다.In the injection molding apparatus, in general, a gas generated by the intrinsic properties of the molding material is generated in the mold to reduce moldability, and weld lines, unformed parts, bubbles, and burnout, which are defective factors of the molded products, are caused. Occurrences are a number of problems.
제1도는 종래의 가스 배출장치가 설치된 사출성형기의 단면도이다. 도시된 바와 같이, 종래에는 발생된 가스를 배출시키기 위하여, 고정측설치판(1)의 중앙과 런너스트리퍼판(2)의 중앙을 가로질러 설치되어 성형재료를 주입하는 스프루부시(14)와, 런너스트리퍼판(2)과 고정측형판(25) 사이에 성형재료를 제품을 형성시키는 캐비티(30)로 안내하는 사다리꼴런너(24)가 설치되어 있다. 그리고 가동측형판(26)과 고정측형판(25)의 사이에 설치되어 캐비티(30)에 형상을 만들기 위한 가동측코어(6)와, 고정측형판(25)과 가동측형판(25) 사이에 설치된 가스배출구멍(27)을 구비하여, 스프루부시(14)의 유동주입구(29)에 성형재료를 주입하게되면 사다리꼴런너(24)를 통과하여 캐비티(30) 내부에 완전히 충진되어 제품을 제조하는데, 이때 발생된 가스는 고정측형판(25)과 가동측형판(26) 사이에 형성된 가스배출구멍(26,6/1000mm이하)을 통하여 배출된다. 그러나 유동주입구(29)를 통하여 들어온 성형재료는 스프루부시(14)를 통과 할 때부터 가스가 발생되며, 성형재료가 사다리꼴런너를 통과할 때는 가스와 성형재료가 혼합된다. 가스와 성형재료가 혼합된 상태에서 성형재료가 캐비티(30) 안으로 충진되고, 상기 가스배출구멍(27)으로는 가스 배출량이 미미하므로 제품의 불량 요인인 미성형, 수축, 기포 등을 완전히 제거할 수 없는 문제점이 있다.1 is a cross-sectional view of an injection molding machine equipped with a conventional gas discharge device. As shown, the sprue bush 14 is installed across the center of the fixed-side mounting plate 1 and the center of the runner stripper plate 2 to inject molding materials to discharge the generated gas. Between the runner stripper plate 2 and the stationary side plate 25, a trapezoidal runner 24 for guiding the molding material to the cavity 30 for forming a product is provided. And between the movable side plate 26 and the fixed side plate 25, between the movable side core 6 and the fixed side plate 25 and the movable side plate 25 to form a shape in the cavity 30 It is provided with a gas discharge hole 27 installed in the injection molding material into the flow inlet 29 of the sprue bush 14 is passed through the trapezoidal runner 24 completely filled in the cavity 30 to the product In this case, the generated gas is discharged through the gas discharge holes 26, 6/1000 mm or less formed between the fixed side plate 25 and the movable side plate 26. However, gas is generated from the molding material introduced through the flow inlet 29 through the sprue bush 14, and the gas and the molding material are mixed when the molding material passes through the trapezoidal runner. In the state where the gas and the molding material are mixed, the molding material is filled into the cavity 30, and the gas discharge hole 27 has a small amount of gas discharged, thereby completely eliminating unforming, shrinking, bubbles, and the like, which are defective factors of the product. There is no problem.
따라서 본 고안의 목적은 상기 문제점인 웰드라인, 미성형, 수축, 기포 등을 제거하여 양산시 불량품을 최소화하는 가스 배출장치가 설치된 사출성형기를 제공하는데 있다.Therefore, an object of the present invention is to provide an injection molding machine equipped with a gas discharge device for minimizing defective products during mass production by removing the weld line, unmolding, shrinkage, bubbles, and the like.
상기 목적을 달성하기 위한 본 고안에 따른 가스 배출장치가 설치된 사출성형기는 성형용 캐비티를 갖는 형틀과, 성형재료가 주입되는 스프루부시와, 형틀 상에 형성되어 스프루부시로부터 주입되는 성형재료를 각 캐비티로 안내하는 런너를 구비하는 가스 배출장치가 설치된 사출성형기에 있어서, 상기 스프루부시와 캐비티사이의 상기 런너에 충진되는 성형재료로부터 그 성형재료 내에 잔존 또는 발생된 가스를 외부로 배출시키기 위한 가스배출수단을 구비하여 된 것을 특징으로 한다.Injection molding machine equipped with a gas discharge device according to the present invention for achieving the above object is a mold having a molding cavity, a sprue bushing the molding material is injected, a molding material formed on the mold and injected from the sprue bushing In the injection molding machine provided with a gas discharge device having a runner for guiding to each cavity, for ejecting the gas remaining or generated in the molding material from the molding material filled in the runner between the sprue bush and the cavity to the outside Characterized in that the gas discharge means is provided.
이하 첨부된 도면을 참조하면서, 본 고안의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
제2도는 본 고안에 따른 가스 배출장치가 설치된 사출성형기의 단면도이고, 제3도는 본 고안에 따른 가스배출코어 사시도 이고, 제4도는 본 고안에 따른 사다리꼴런너 상세도 이고, 제5도는 본 고안에 따른 사다리꼴런너 횡단면도 이다.2 is a cross-sectional view of an injection molding machine equipped with a gas discharge device according to the present invention, Figure 3 is a perspective view of the gas discharge core according to the present invention, Figure 4 is a detailed view of the trapezoidal runner according to the present invention, Figure 5 is This is a cross-sectional view of the trapezoid runner.
제2도를 참조하면, 고정측설치판(1)의 상부에 성형재료의 흐름을 방지하기 위해 로케이팅(13)이 설치되어 있고, 고정측설치판(1) 하부에는 런너스트리퍼판(2)이 설치되어 있고, 상기 고정측설치판(1)과 런너스트리퍼판(2)을 가로질러 성형재료를 주입하는 스프루부시(14)가 설치되어 있고, 스프루부시(14) 상부에는 유동주입구(29)가 형성되어 있다. 상기 런너스트리퍼판(2)의 하부와 고정측 형판(25)의 상부에 사다리꼴런너(24)가 제품을 성형하기 위한 상기 고정측형판에 위치한 캐비티(30)와 가동측코어(6)의 사이의 공간에 성형재료를 안내하기 위하여 설치되어 있다.Referring to FIG. 2, a locating 13 is installed at an upper portion of the fixed side mounting plate 1, and a runner stripper plate 2 is disposed below the fixed side mounting plate 1. Is provided, and a sprue bush 14 for injecting molding material across the fixed side mounting plate 1 and the runner stripper plate 2 is provided. 29) is formed. Between the cavity 30 and the movable side core 6 located on the fixed side plate for forming a product, a trapezoidal runner 24 on the lower part of the runner stripper plate 2 and the upper side of the fixed side plate 25. It is installed to guide molding material into space.
제4도 및 제5도를 참조하면, 사다리꼴런너(24)의 좌 우측에는 가스를 배출하기 위한 가스배출홈(22, 약 0.03mm)과 통로(23)가 형성되어 있다. 상기 사다리꼴 런너(24) 중앙 하부에는 가스를 배출하기 위한 가스배출코어(18)가 설치되어 있고, 상기 가스배출코어(18)는 회전방지편(19)과 볼트(20)에 의해 고정되어 있다. 가동측형판(26)의 하부에는 가동측받침판(7)이 설치되어 있고, 가동측받침판(7) 하부에는 밀핀(10)을 지지하기 위한 핀지지판(9)과 밀판(10)이 설치되어 있고, 밀판(10) 하부에는 스톱핀(10)이 가동측설치판(12) 위에 설치되어 가동측코어(6)를 지지한다. 그리고 가동측받침판(7)과 가동측설치판(12) 사이에는 다리(8)가 설치되어, 상기 가동측받침판(7)을 지지하고, 상기 밀판, 스톱핀, 핀지지판을 설치할 공간을 제공한다.4 and 5, a gas discharge groove 22 (about 0.03 mm) and a passage 23 for discharging gas are formed in the left and right sides of the trapezoidal runner 24. As shown in FIG. The gas discharge core 18 for discharging gas is provided in the center lower part of the trapezoid runner 24, The said gas discharge core 18 is being fixed by the rotation preventing piece 19 and the bolt 20. As shown in FIG. The lower side of the movable side plate 26 is provided with a movable side supporting plate 7, and the lower side of the movable side supporting plate 7 is provided with a pin support plate 9 and a sealing plate 10 for supporting the mill pin 10. A stop pin 10 is installed on the movable side mounting plate 12 to support the movable side core 6 at the bottom of the contact plate 10. A leg 8 is provided between the movable side support plate 7 and the movable side mounting plate 12 to support the movable side support plate 7 and to provide a space for installing the close plate, the stop pin, and the pin support plate. .
제3도를 참조하면, 가스배출코어(18)는 일정 라운드형상(18d)과, 사방면에 성형재료가 성형될 때, 플래쉬가 발생되지 않는 최소 간격의 가스배출홈(18e)과, 상기 가스배출홈과 연결된 가스배출코어 측면의 가스배출홈(18b)과, 가스배출코어 측면의 전 둘레에 형성된 라운드홈(18c)과, 가스배출코어 상단 면에 형성된 사다리꼴 런너(18a)와, 라운드홈(18c)과 가스배출홈(18b)이 만나는 지점의 한 점에서 사출성형장치의 외부까지 형성된 통로(3)와, 제2도에 도시된 바와 같이 이 통로(3)에 니쁠(4)과 호스(4a)에 의하여 연결된 가스흡입기구(미도시)가 형성되어 있다.Referring to FIG. 3, the gas discharge core 18 has a predetermined round shape 18d, gas discharge grooves 18e of minimum intervals where no flash is generated when the molding material is molded on all sides, and the gas. A gas discharge groove 18b on the side of the gas discharge core connected to the discharge groove, a round groove 18c formed around the periphery of the gas discharge core side, a trapezoidal runner 18a formed on the upper surface of the gas discharge core, and a round groove ( 18c) and a passage 3 formed to the outside of the injection molding apparatus at a point where the gas discharge groove 18b meets, and as shown in FIG. 2, the nipple 4 and the hose ( A gas suction mechanism (not shown) connected by 4a) is formed.
이와 같은 구성요소를 구비하여, 성형재료를 유동주입구(19)에 주입하면, 성형재료는 스프루부시(14)를 통하여 가스배출코어의 사다리꼴런너(18a)와, 고정측형판(25)에 내설된 사다리꼴런너(24)를 통과하여 핀포인트게이트(31)로 들어간다. 이때 성형재료에서 발생된 가스는 가스배출코어(18)에 내설된 홈(18d, 18e, 18b, 18c)과 통로(3)를 거쳐서 배출된다. 이때, 보다 원활히 배출하기 위하여 통로(3)의 끝단에는 강재 가스배출수단이 설치되는 것이 바람직하다. 즉, 통로(3)의 끝단에 니쁠(4)과 호스(4a)에 연결된 흡입기구(미도시)를 이용하여 강제로 가스를 배출하면 효과적이다.If such a component is provided and the molding material is injected into the flow inlet 19, the molding material is installed in the trapezoidal runner 18a of the gas discharge core and the fixed side plate 25 through the sprue bush 14. The trapezoidal runner 24 passes through the pinpoint gate 31. At this time, the gas generated from the molding material is discharged through the grooves 18d, 18e, 18b, 18c and the passage 3 in the gas discharge core 18. At this time, in order to discharge more smoothly, it is preferable that steel gas discharge means is installed at the end of the passage (3). That is, it is effective to forcibly discharge the gas by using a suction device (not shown) connected to the nipple 4 and the hose 4a at the end of the passage 3.
가스가 고정측형판(25) 상부의 사다리꼴런너(18a)를 통하여 가스배출홈(22)과 통로(23)로 빠져나간 후에 성형재료는 핀포인트게이트(31)통하여 캐비티(30)에 충전되어 성형제품이 된다.After the gas exits the gas discharge groove 22 and the passage 23 through the trapezoidal runner 18a on the upper side of the fixed side plate 25, the molding material is filled into the cavity 30 through the pinpoint gate 31 to be molded. It becomes a product.
상술한 바와 같은 사출성형 배출장치를 갖는 사출성형기에 의하여 만들어지는 제품은 웰드라인, 미성형, 기포, 타버림 등이 개선되었으며, 특히 복잡한 부품의 양산시에도 불량률을 최소화할 수 있었다.The product made by the injection molding machine having the injection molding discharge device as described above is improved in the weld line, unmolded, bubbles, burned, etc., in particular, it was possible to minimize the failure rate even when mass production of complex parts.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930022623U KR0136506Y1 (en) | 1993-10-30 | 1993-10-30 | Injection molding machine with gas exhausting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930022623U KR0136506Y1 (en) | 1993-10-30 | 1993-10-30 | Injection molding machine with gas exhausting device |
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| Publication Number | Publication Date |
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| KR950011106U KR950011106U (en) | 1995-05-15 |
| KR0136506Y1 true KR0136506Y1 (en) | 1999-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR2019930022623U KR0136506Y1 (en) | 1993-10-30 | 1993-10-30 | Injection molding machine with gas exhausting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100704402B1 (en) * | 2005-09-22 | 2007-04-06 | 이종항 | A gas discharge device with Valve Gate |
| KR101393614B1 (en) * | 2012-07-03 | 2014-05-12 | 삼성전기주식회사 | Apparatus for injection molding |
| KR102103202B1 (en) * | 2019-06-07 | 2020-04-22 | 윤예성 | air and gas exhaust test equipment of injection mold |
| KR102147662B1 (en) * | 2020-04-14 | 2020-08-25 | 윤예성 | air and gas exhaust test equipment of injection mold |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100449155B1 (en) * | 2001-11-15 | 2004-09-18 | 엘지전선 주식회사 | Injection mold structure preventing for residual blow hole in a cast-liquid silicon rubber inner |
-
1993
- 1993-10-30 KR KR2019930022623U patent/KR0136506Y1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100704402B1 (en) * | 2005-09-22 | 2007-04-06 | 이종항 | A gas discharge device with Valve Gate |
| KR101393614B1 (en) * | 2012-07-03 | 2014-05-12 | 삼성전기주식회사 | Apparatus for injection molding |
| KR102103202B1 (en) * | 2019-06-07 | 2020-04-22 | 윤예성 | air and gas exhaust test equipment of injection mold |
| KR102147662B1 (en) * | 2020-04-14 | 2020-08-25 | 윤예성 | air and gas exhaust test equipment of injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| KR950011106U (en) | 1995-05-15 |
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