KR200445760Y1 - 사출금형의 언더컷 취출장치 - Google Patents
사출금형의 언더컷 취출장치Info
- Publication number
- KR200445760Y1 KR200445760Y1 KR2020070004232U KR20070004232U KR200445760Y1 KR 200445760 Y1 KR200445760 Y1 KR 200445760Y1 KR 2020070004232 U KR2020070004232 U KR 2020070004232U KR 20070004232 U KR20070004232 U KR 20070004232U KR 200445760 Y1 KR200445760 Y1 KR 200445760Y1
- Authority
- KR
- South Korea
- Prior art keywords
- injection
- undercut
- mold
- plate
- mill
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000001746 injection moulding Methods 0.000 title abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- 238000000465 moulding Methods 0.000 claims description 19
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C2045/4042—Ejector constructions; Ejector operating mechanisms driven by rack and pinion 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
- B29C2045/4492—Removing or ejecting moulded articles for undercut articles preventing damage or deformation of undercut articles during ejection
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims (4)
- 삭제
- 삭제
- 삭제
- 고정금형(100)과 가동금형(200)의 사이에 형성되는 언더컷부(P')를 갖는 사출물(P)의 취출에 있어서,상기 가동금형(200) 내측에 상기 사출물(P)이 취출되는 방향으로 왕복이동가능하게 설치되는 밀판(310)과;상기 밀판(310)과 연동하여 상기 사출물(P)을 밀어 올리도록 구비되는 적어도 하나의 밀핀(330)과;상기 밀판(310)에 구속되는 랙(321)과 피니언(322)으로 이루어지고, 이에 연동되도록 구비된 밀핀(330)만을 상승시킴으로써 사출물(P)이 경사지게 취출되도록 하는 승하강장치(320)와;상기 밀판(310)과 연동하되 상기 사출물(P)의 언더컷부(P')에 배치되어 그 복원력에 의해 상기 언더컷부(P')와의 걸림상태가 해제되도록 일측으로 슬라이딩 가능하게 설치되는 변형코아(340)를; 포함하며,상기 변형코아(340)는 상기 가동금형(200)과 함께 상기 사출물(P)의 언더컷부(P')를 형성시키도록 음형진 요홈(341a, 441a)이 구비되는 성형부(341, 441)와, 상기 성형부(341, 441)가 일측으로 슬라이딩 가능하도록 복원력을 제공하는 복원부(342)와, 상기 밀판(310)에 고정되어 승하강하도록 설치되는 고정부(343)가 일체로 형성되고,상기 복원부(342)는 상기 성형부(341, 441)의 요홈(341a, 441a) 부분이 상기 사출물(P)의 언더컷부(P')와 면접상태가 이격되는 방향으로 복원력이 작용하도록 형성되는 것을 특징으로 하는 사출금형의 언더컷 취출장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020070004232U KR200445760Y1 (ko) | 2007-03-14 | 2007-03-14 | 사출금형의 언더컷 취출장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020070004232U KR200445760Y1 (ko) | 2007-03-14 | 2007-03-14 | 사출금형의 언더컷 취출장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080003965U KR20080003965U (ko) | 2008-09-19 |
KR200445760Y1 true KR200445760Y1 (ko) | 2009-09-01 |
Family
ID=41491053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020070004232U Expired - Lifetime KR200445760Y1 (ko) | 2007-03-14 | 2007-03-14 | 사출금형의 언더컷 취출장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200445760Y1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101522937B1 (ko) * | 2015-03-12 | 2015-05-28 | (주) 부광테크 | 2단 취출장치가 구비된 사출 금형 |
CN109501069A (zh) * | 2018-11-08 | 2019-03-22 | 合肥市奥兰德机械科技有限公司 | 一种双室冰箱用内胆成型模具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0558249U (ja) * | 1992-01-22 | 1993-08-03 | 豊田合成株式会社 | 射出成形用金型 |
KR200304662Y1 (ko) * | 2002-11-11 | 2003-02-15 | 주식회사 제이엠피 | 언더컷 사출금형장치 |
JP2003080570A (ja) * | 2001-09-13 | 2003-03-19 | Incs Inc | 射出成形用金型 |
-
2007
- 2007-03-14 KR KR2020070004232U patent/KR200445760Y1/ko not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0558249U (ja) * | 1992-01-22 | 1993-08-03 | 豊田合成株式会社 | 射出成形用金型 |
JP2003080570A (ja) * | 2001-09-13 | 2003-03-19 | Incs Inc | 射出成形用金型 |
KR200304662Y1 (ko) * | 2002-11-11 | 2003-02-15 | 주식회사 제이엠피 | 언더컷 사출금형장치 |
Also Published As
Publication number | Publication date |
---|---|
KR20080003965U (ko) | 2008-09-19 |
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