KR0136471Y1 - 사출금형의 언더컷 처리장치 - Google Patents
사출금형의 언더컷 처리장치 Download PDFInfo
- Publication number
- KR0136471Y1 KR0136471Y1 KR2019940005764U KR19940005764U KR0136471Y1 KR 0136471 Y1 KR0136471 Y1 KR 0136471Y1 KR 2019940005764 U KR2019940005764 U KR 2019940005764U KR 19940005764 U KR19940005764 U KR 19940005764U KR 0136471 Y1 KR0136471 Y1 KR 0136471Y1
- Authority
- KR
- South Korea
- Prior art keywords
- injection mold
- core
- undercut
- cavity
- plate
- Prior art date
Links
- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4478—Removing or ejecting moulded articles for undercut articles using non-rigid undercut forming elements, e.g. elastic or resilient
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims (1)
- 상호 결합되어 소정의 캐비티를 형성하는 상·하부 형판과, 이 상·하부형판중 적어도 일측의 형판에 승강 가능하게 설치된 밀판부재와, 이 밀판부재에 상·하부 형판의 형개 및 형합시 인입·인출가능하게 설치되며 그 단부가 상기 캐비티의 일부를 이루는 코어를 구비하여 된 것을 사출금형의 언더컷 처리장치에 있어서, 상기 코어는 밀판부재에 형개 방향과 소정의 각도를 이루는 방향으로 내부에 단턱이 형성된 관통공이 형성되고 이 관통공의 상부에 슬라이딩 가능하게 지지되어 언더컷을 형성하는 캐비티의 일부를 이루는 제1부재와, 밀판부재의 하면으로부터 관통공에 삽입되어 제1부재와 단턱을 사이에 두고 연결부에 의해 연결된 제2부재와, 상기 단턱과 제2부재 사이에 개재되어 제2부재를 상기 소정각도 방향의 하방으로 탄성바이어스시키는 스프링을 구비하여 된 것을 특징으로 하는 사출금형의 언더컷 처리장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940005764U KR0136471Y1 (ko) | 1994-03-22 | 1994-03-22 | 사출금형의 언더컷 처리장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940005764U KR0136471Y1 (ko) | 1994-03-22 | 1994-03-22 | 사출금형의 언더컷 처리장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950026982U KR950026982U (ko) | 1995-10-16 |
KR0136471Y1 true KR0136471Y1 (ko) | 1999-05-15 |
Family
ID=19379386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019940005764U KR0136471Y1 (ko) | 1994-03-22 | 1994-03-22 | 사출금형의 언더컷 처리장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0136471Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102519346B1 (ko) * | 2022-11-21 | 2023-04-10 | 주식회사 두진정밀 | 이중 사출을 위한 금형 어셈블리와 이를 포함하는 사출 성형 시스템, 및 사출 성형 시스템을 이용하 사출 성형 방법 |
-
1994
- 1994-03-22 KR KR2019940005764U patent/KR0136471Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102519346B1 (ko) * | 2022-11-21 | 2023-04-10 | 주식회사 두진정밀 | 이중 사출을 위한 금형 어셈블리와 이를 포함하는 사출 성형 시스템, 및 사출 성형 시스템을 이용하 사출 성형 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR950026982U (ko) | 1995-10-16 |
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Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19940322 |
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