KR940002859Y1 - Sprue form of injection mould - Google Patents
Sprue form of injection mould Download PDFInfo
- Publication number
- KR940002859Y1 KR940002859Y1 KR2019890019545U KR890019545U KR940002859Y1 KR 940002859 Y1 KR940002859 Y1 KR 940002859Y1 KR 2019890019545 U KR2019890019545 U KR 2019890019545U KR 890019545 U KR890019545 U KR 890019545U KR 940002859 Y1 KR940002859 Y1 KR 940002859Y1
- Authority
- KR
- South Korea
- Prior art keywords
- sprue
- injection mold
- product
- taken out
- injection mould
- Prior art date
Links
- 238000002347 injection Methods 0.000 title claims description 10
- 239000007924 injection Substances 0.000 title claims description 10
- 239000002893 slag Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 208000015943 Coeliac disease Diseases 0.000 description 21
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 241000218657 Picea Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000465 moulding 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
내용 없음.No content.
Description
제 1 도는 본 고안의 스프루 구조 사시도.1 is a perspective view of a sprue structure of the present invention.
제 2 도는 본 고안의 실시 상태 예시 단면도.2 is a cross-sectional view illustrating an exemplary embodiment of the present invention.
제 3 도는 종래의 스프루 구조 사시도.3 is a perspective view of a conventional sprue structure.
제 4 도는 종래의 실시 상태 예시 단면도.4 is a cross-sectional view illustrating a conventional embodiment.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 스프루(sprue) 2 : 게이트랜드(Gate Land)1: sprue 2: gate land
3 : 슬레그 웰(Slug Well) 4 : 사출금형3: Slug Well 4: Injection Mold
5 : 고정형판 5' : 가동형판5: fixed plate 5 ': movable plate
6 : 이젝트핀(EJECT PIN)6: Eject Pin
본 고안은 사출금형에 의해서 성형완료된 제품이 붙어 있는 스프루(sprue) 구조에 관한 것으로서, 특히, 사출금형에 의해서 성형 완료된 제품을 취출시키기 위해서, 이젝트핀(EJECT PIN)이 밀어 주는 스프루의 슬레그웰(Slug Well)부길이를 스프루의 게이트(Gate)부 길이보다 길게 형성시켜, 스프루의 취출시 게이트 랜드(Gate land)부에서 탄성이 발생하는 것을 방지하여 스프루가 외부로 튀어나가는 것을 방지할 수 있게한 사출금형의 비산방지용 스프루(sprue)구조에 관한 것이다.The present invention relates to a sprue structure in which a molded product is attached by an injection mold, and in particular, a sprue of a sprue pushed by an eject pin in order to take out a molded product by an injection mold. The length of the well well is longer than the length of the gate of the sprue, thereby preventing elasticity from occurring in the gate land part when the sprue is taken out, thereby preventing the sprue from protruding to the outside. The present invention relates to a scattering prevention sprue structure of an injection mold.
일반적으로 사출금형으로 제품을 성형 완료하면, 제품이 스프루에 붙어 있는 상태로 가동형판에 끼어있게 되며, 이를 이젝트핀으로서 밀어 취출시키게 되는데, 종래의 스프루 구조를 보면 제 3 도에서 보는 바와 같이 스프루(S)의 상, 하게이트랜드(G)길이보다 슬레그 웰(W)이 짧게 되어 있어, 사출 성형을 완료한후 사출금형(A)의 가동형판(B')에서 취출시키기 위해서, 고정형판(B)에 서 가동형판(B')을 분리한 다음 제 4 도에서 보는 바와 같이 이젝트핀(E)으로 스프루(S)의 슬레그 웰(W)을 밀어줄때, 게이트랜드(G)길이만큼 탄성력이 발생하여 스프루(S)가 쉽게 취출되지 못하는 경우가 발생하고 또한 취출되면서 비산되어 튀어나가지 때문에 바닥에 떨어져 먼지나 기타 이물질이 뭍게되므로, 재사용시 수지가 오염되어 양질의 수지를 얻을 수 없었을 뿐아니라, 스프루가 쉽게 취출되지 못하므로 연속생산이 불가능하여 작업능률 저하로 생산성이 저하되고, 연속적으로 자동운전이 불가능하게 되는 문제점이 있었던 것이다.In general, when the molding of the product by the injection mold, the product is stuck to the movable plate in a state that is attached to the sprue, it is pushed out as an eject pin, as seen in the conventional sprue structure as shown in FIG. The slag well W is shorter than the length of the sprue (S) and the length of the hagate land (G), and is fixed in order to be taken out of the movable mold (B ') of the injection mold (A) after completion of the injection molding. When removing the movable plate (B ') from the plate (B), as shown in Figure 4 when pushing the slag well (W) of the sprue (S) with the eject pin (E), the gate land (G) Elastic force is generated as long as the sprue (S) is not easily taken out, and because it is scattered and popped out when taken out, it falls on the floor, and dust or other foreign matter falls, so that the resin is contaminated when reused to obtain a good resin. Not only could not Lu program can not be easily taken out, so the productivity is lowered to decrease the work efficiency can not be continuously produced, it was a problem that the continuous operation can not be automated.
본 고안은 상기와 같은 종래의 제반 문제점을 보완하고져 사출 성형시 제품이 붙여있는 스프루의 게이트랜드보다 길게 슬래그웰이 길이를 길게 하여, 제품과 함께 스프루의 취출이 용이하면서 취출시 탄성력에 의해 스프루가 튀어나가는 것을 방지하여 줄수 있게 한것으로서, 이하 본고안은 첨부한 도면에 의하여 상세히 설명하면 다음과 같다.The present invention complements the above conventional problems, and the slagwell has a longer length than the spruce gate land to which the product is attached during injection molding, so that the sprue can be easily taken out together with the product by the elastic force at the time of extraction. The sprues can be prevented from popping out, and the present invention will be described below in detail with reference to the accompanying drawings.
본 고안의 구성을 보면 제 1 도 및 제 2 도에서 보는바와 같이 사출금형(4)의 고정형판(5)과 가동형판(5')사이에서 제품과 함께 성형되는, 스프루(1)의 게이트랜드(2)가 가동금형(5')쪽에서 로그시켜 주게 되므로, 스프루(1)가 외부로 튀어나가 비산되는 현상이 방지되어, 스프루에 먼지 및 기타 이물질이 뭍어 재사용시 수지에 오염을 방지하여 양질의 수지를 얻을 수 있을 뿐아니라, 스프루의 취출이 손쇱게 이루어지므로 사출 성형작업이 연속 반복적으로 이루어져 제품의 생산성을 향상시킬 수 있었고, 자동화 운전이 가능하게 되는 효과도 얻고자 한 것이다.In the construction of the present invention, as shown in FIGS. 1 and 2, the gate of the sprue 1, which is molded together with the product between the stationary plate 5 and the movable plate 5 ′ of the injection mold 4, is shown. Since the land (2) logs from the movable mold (5 '), the sprue (1) is protruded to the outside to prevent scattering, dust and other foreign matter on the sprue prevents contamination of the resin during reuse As well as to obtain a high quality resin, the sprue is taken out easily, the injection molding operation is repeated repeatedly to improve the productivity of the product, it is intended to obtain the effect of enabling automated operation.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890019545U KR940002859Y1 (en) | 1989-12-22 | 1989-12-22 | Sprue form of injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019890019545U KR940002859Y1 (en) | 1989-12-22 | 1989-12-22 | Sprue form of injection mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910011128U KR910011128U (en) | 1991-07-29 |
| KR940002859Y1 true KR940002859Y1 (en) | 1994-04-27 |
Family
ID=19293678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019890019545U KR940002859Y1 (en) | 1989-12-22 | 1989-12-22 | Sprue form of injection mould |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR940002859Y1 (en) |
-
1989
- 1989-12-22 KR KR2019890019545U patent/KR940002859Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR910011128U (en) | 1991-07-29 |
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| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 20020425 Year of fee payment: 9 |
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| LAPS | Lapse due to unpaid annual fee |