KR20100041488A - Injection molding and articles having hairline - Google Patents

Injection molding and articles having hairline Download PDF

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Publication number
KR20100041488A
KR20100041488A KR1020080100701A KR20080100701A KR20100041488A KR 20100041488 A KR20100041488 A KR 20100041488A KR 1020080100701 A KR1020080100701 A KR 1020080100701A KR 20080100701 A KR20080100701 A KR 20080100701A KR 20100041488 A KR20100041488 A KR 20100041488A
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South Korea
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core
hairline
plate
injection
mold
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KR1020080100701A
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Korean (ko)
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이태권
박수찬
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이태권
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Priority to KR1020080100701A priority Critical patent/KR20100041488A/en
Publication of KR20100041488A publication Critical patent/KR20100041488A/en

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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
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • 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
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2663—Maintaining the axial dimension of the mould cavity during injection

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE: An injection mold and an injection material are provided to maintain a hairline groove of a product uniformly. CONSTITUTION: An injection mold and an injection material comprise upper and lower dies(10,20). The upper and lower dies has fixing plates(11,25), round plates(12,21), upper and lower embedded holes(13,22). A first upper core(14) of the avoirdupois is inserted into the upper embedded hole. The lower embedded hole has an ejecting unit(26) with a return pin(264). The return pin is fixed on a lower core through a lower plate.

Description

헤어라인이 형성된 사출금형 및 그 사출품 {INJECTION MOLDING AND ARTICLES HAVING HAIRLINE}Injection mold with hairline and its injection product {INJECTION MOLDING AND ARTICLES HAVING HAIRLINE}

본 발명은 헤어라인이 형성된 사출금형 및 그 사출품에 관한 것으로서, 핸드폰, IT기기, 가전제품, 자동차용 실내부품에 사용되는 합성수지 제품의 상면에 헤어라인이 형성되도록 사출금형의 상형에 헤어라인홈이 형성된 사출금형 및 그 사출품에 관한 것이다.The present invention relates to an injection mold having a hairline and an injection product thereof, wherein the hairline groove is formed on the upper mold of the injection mold so that a hairline is formed on the upper surface of the synthetic resin product used in cellular phones, IT devices, home appliances, and automotive interior parts. It relates to the formed injection mold and the injection molded product.

일반적으로 핸드폰, IT기기, 가전제품, 자동차용 실내부품은 휴대가 용이하며 무게를 가볍게 하기 위하여 금속 대신에 플라스틱을 이용하여 외관이 형성된다. 하지만, 플라스틱은 소재의 특성상 금속의 질감을 표현하는데는 무리가 있었다.In general, cell phones, IT devices, home appliances, interior parts for automobiles are easy to carry and the exterior is formed by using plastic instead of metal to reduce the weight. However, plastic has been difficult to express the texture of metal due to the nature of the material.

이에 따라, 플라스틱 표면에 머릿결과 같은 이미지의 헤어라인을 제품 표면에 형성함으로써 금속의 질감을 표현하여 소비자를 만족시키고 있다.Accordingly, by forming a hairline of the same image on the surface of the plastic on the surface of the product to express the texture of the metal to satisfy the consumer.

헤어라인이 형성된 제품 생산은 금속 또는 합성수지를 이용하여 완성된 제품을 헤어라인 형성기 즉 각종 연마장치를 이용하여 제품 표면에 헤어라인을 형성했다. In the production of hairline-formed products, a hairline was formed on the surface of a product by using a hairline forming machine, that is, a variety of polishing devices.

도 1은 대한민국 실용신안 출원(제20-2003-0038356호)의“헤어라인 가공장치 ”의 사시도로서, 금속판재를 고정시키기 위한 고정지그(102)가 상면 가장자리에 구비되며, 양측변에 가이드레일(104)(106)이 설치되는 메인 프레임(100)과; 브러쉬(202)가 취부되어 상기 금속판재의 표면에 헤어라인을 형성하기 위한 가공유니트(200)와; 상기 가공유니트(200)가 설치되어 브러쉬(202)를 상기 금속판재의 표면에 밀착시키는 브러쉬 업/다운 유니트(300)와; 상기 브러쉬 업/다운 유니트(300)를 왕복이동시켜 상기 금속판재의 표면에 헤어라인 작업을 실시하는 이송 수단(400)으로 구성되는 것이다.1 is a perspective view of a "hairline processing apparatus" of the Republic of Korea Utility Model Application (No. 20-2003-0038356), the fixing jig 102 for fixing the metal plate is provided on the upper edge, the guide rail on both sides A main frame 100 on which 104 and 106 are installed; A processing unit (200) for attaching a brush (202) to form a hairline on the surface of the metal sheet; A brush up / down unit (300) installed with the processing unit (200) to bring the brush (202) into close contact with the surface of the metal sheet; It is composed of a conveying means 400 for performing a hairline operation on the surface of the metal plate by reciprocating the brush up / down unit 300.

그러나 상기와 같은 종래기술은, 금속 또는 합성수지 제품을 완성 후 헤어라인 가공장치를 이용하여 가공함으로써 동일한 치수나 외관을 얻기가 힘들고, 추가되는 공정으로 인하여 생산성이 떨어졌으며, 이로 인하여 제품의 가격이 상승되는 문제점이 있었다. 또한, 금속의 경우는 생산후 시간 경과에 따라 치수변화 및 부식에 의한 외관의 변화로 인하여 품질이 저하되는 문제점이 있었다.However, in the prior art as described above, it is difficult to obtain the same dimensions or appearance by processing the metal or synthetic resin product using a hairline processing device after completion, and the productivity is reduced due to the additional process, thereby increasing the price of the product There was a problem. In addition, in the case of metal, there is a problem that the quality is degraded due to the change in appearance due to the dimensional change and corrosion over time after production.

또한, 사출품이 생산되는 금형은 단일 구조로 제작되어 제품이 형성되는 면에 별도의 가공이 어려운 문제점이 있었다.In addition, the mold in which the injection product is produced has a problem that it is difficult to separate processing on the surface is formed in a single structure product.

상기한 바와 같은 문제점을 해결하기 위하여 본 발명에서는 제2상부코어를 제1상부코어에서 분리되도록 제작함으로써, 상기 제1상부코어에서 분리 후 헤드라인홈을 그 하면에 형성함으로 인하여 사출품 제조시 동일한 치수와 외관, 즉 균일한 헤어라인이 얻어지는 헤어라인이 형성된 사출금형 및 그 사출품을 제공하는데 그 목적이 있다. In order to solve the problems described above, in the present invention, the second upper core is manufactured to be separated from the first upper core, so that the headline grooves are formed on the lower surface after separation from the first upper core, thereby making the same injection molding. It is an object of the present invention to provide an injection mold and a molded article having a hairline having dimensions and an appearance, that is, a uniform hairline.

본 발명은 용융된 수지를 주입하기 위한 스프루부시가 형성되는 상고정판과, 상기 상고정판 저면에 볼트결합되며 네개의 모서리에 가이드핀공이 형성된 상원판과, 상기 상원판 저면 내측에 일정깊이의 공간이 형성된 상부매입공과, 상기 상부매입공에 삽입되어 볼트고정된 제1상부코어가 형성된 상형과, 상기 가이드핀공에 삽입되는 가이드핀이 상부로 돌출된 하원판과, 상기 하원판 상면 내측에 일정깊이의 공간이 형성된 하부매입공과, 상기 하부매입공에 삽입되어 볼트고정되는 하부코어와, 상기 하원판을 지지하는 지지블록을 사이에 두고 하원판과 볼트 결합되는 하고정판과, 상기 하원판 관통 후 하부코어와 고정되는 리턴핀이 형성된 이젝트부가 하고정판 중앙 상부에 형성된 하형으로 이루어진 사출금형에 있어서, 상기 제1상부코어는 일측에 형성된 제1내측홈에 삽입후 결합되되 저면이 사출되는 제품의 외형을 이루는 제2상부코어와, 상기 제2상부코어에 형성된 제2내측홈에 고정되어 사출품에 공간이 형성되도록 상속코어가 형성된 구조로 이루어진다.The present invention is a top fixing plate is formed sprue bush for injecting the molten resin, the upper plate is bolted to the bottom surface of the top fixing plate and the four corners of the guide pin hole formed in the corner, and the space of a certain depth inside the bottom surface of the upper plate The upper buried hole is formed, the upper mold is formed in the upper upper hole is inserted into the upper buried hole is formed, the lower plate is a guide pin inserted into the guide pin hole protrudes to the top, and the predetermined depth inside the lower plate A lower plate having a space formed therein, a lower core inserted into the lower hole and fixed to the bolt, and a fixing plate that is bolted to the lower plate with the support block supporting the lower plate therebetween; In the injection mold is formed of a lower mold formed on the upper part of the center of the fixed plate is formed with a return pin is fixed to the core, the first upper core on one side A second upper core which is coupled to the first inner groove formed therein and forms a shape of the product from which the bottom surface is injected, and an inherited core is fixed to the second inner groove formed in the second upper core to form a space in the injection molded product. Made of structure.

또한, 상기 제2상부코어는 제품의 상면을 이루는 저면이 벨트페파가 사용된 가공장치에 의해 헤어라인홈이 음각되어 형성된다.In addition, the second upper core is formed by engraving the hairline groove by the processing apparatus using the belt pepper is the bottom surface forming the upper surface of the product.

또한, 상기 제1,2상부코어는 각각 상부매입공, 제1내측홈에 삽입되며 볼트에 의해 분해/체결되도록 형성된다.In addition, the first and second upper cores are inserted into the upper buried holes and the first inner grooves, respectively, and are formed to be disassembled / fastened by bolts.

상기 사출금형에 용융된 수지가 투입되어 형성되는 성형 제품에 있어서, 상기 상속코어에 의해 일측면에 개방공이 형성되되, 제2상부코어에 음각된 헤어라인 홈에 의해 사출품 표면에 양각의 헤어라인이 형성된다.In the molded product formed by injecting the molten resin into the injection mold, an open hole is formed on one side by the inherited core, the embossed hairline on the surface of the injection molded product by the hairline groove engraved in the second upper core Is formed.

상기한 바와 같이, 본 발명에 의한 헤어라인이 형성된 사출금형 및 그 사출품은 상/하형에서 제1,2상부코어와 하부코어가 분리되는 구조로 인하여 사출품의 형태 변경시 이들을 제외한 상/하형의 재사용이 가능한 효과가 있다. 또한, 분리되는 제2상부코어는 그 저면에 벨트페파와 같은 연마기구를 이용하여 헤어라인홈이 형성됨으로써, 사출금형을 이용하여 사출품 제조시 항상 균일한 헤어라인을 형성할 수 있는 효과가 있다.As described above, the injection mold with the hairline formed according to the present invention and the injection molded product of the upper and lower molds except for the change of the shape of the injection molded product due to the structure of the first and second upper and lower core separated from the upper and lower molds It can be reused. In addition, since the hairline groove is formed on the bottom of the second upper core by using a grinding mechanism such as a belt pepper, there is an effect that a uniform hairline can be always formed when manufacturing an injection molded product using an injection mold. .

이하 본 발명에 의한 헤어라인이 형성된 사출금형 및 그 사출품의 구성 및 작용에 따른 바람직한 실시예를 첨부도면과 함께 상세하게 설명한다.Hereinafter, a preferred embodiment according to the configuration and operation of the injection mold and the injection molded article formed hairline according to the present invention will be described in detail with the accompanying drawings.

도 2는 본 발명에 따른 사출금형 단면도이고, 도 3은 본 발명에 따른 사출금형 분해도이고, 도 4는 본 발명에 따른 사출금형 상세도이고, 도 5는 본 발명에 따른 사출금형 참고도이고, 도 6는 본 발명에 따른 사출품으로서, 도면 중에 표시되는 도면부호 1은 본 발명에 의해서 형성된 사출금형을 지시하는 것이고, 도면부호 2는 본 발명에 의해서 형성된 사출품을 지시하는 것이다.Figure 2 is a cross-sectional view of the injection mold according to the present invention, Figure 3 is an exploded view of the injection mold according to the present invention, Figure 4 is a detailed view of the injection mold according to the present invention, Figure 5 is an injection mold reference view according to the present invention, 6 is an injection molded product according to the present invention, in which reference numeral 1 denotes an injection mold formed by the present invention, and reference numeral 2 denotes an injection molded product formed by the present invention.

본 발명에 의한 헤어라인이 형성된 사출금형은, 사출품(2)의 상부가 가공되는 상형(10)과, 상기 상형(10) 저면에 위치되어 사출품(2)의 하부가 가공되는 하형(20)으로 구성된다.The injection mold in which the hairline is formed according to the present invention includes an upper mold 10 on which the upper part of the injection molded product 2 is processed, and a lower mold 20 located on the bottom of the upper mold 10 to process the lower part of the injection molded product 2. It is composed of

도 2에 도시된 바와 같이, 상형(10)은 상면에 다수개의 제1볼트공(113)이 형 성된 상고정판(11)과, 상기 상고정판(11) 하면에 밀착되어 볼트(A)로 고정되는 상원판(12)과, 상기 상원판(12) 하면에 일정한 형태를 이루며 일정깊이 매입되어 형성된 상부매입공(13)과, 상기 상부매입공(13)에 삽입 후 볼트(A)에 의해 체결되는 제1상부코어(14)가 구성된다.As shown in FIG. 2, the upper die 10 has an upper fixing plate 11 having a plurality of first bolt holes 113 formed on an upper surface thereof, and is fixed to a lower surface of the upper fixing plate 11 by being tightly attached to the upper fixing plate 11. The upper plate 12 to be formed, the upper buried hole (13) formed in a predetermined depth and formed in the lower surface of the upper plate (12) and fastened by the bolt (A) after being inserted into the upper buried hole (13) The first upper core 14 is configured.

상기 상고정판(11)은 용융된 수지가 주입되는 스프루부시(111)가 상고정판(11), 상원판(12), 제1상부코어(13)를 관통되어 형성되고, 중앙 상부에 사출실린더(도면 미도시)와 연결되는 로케이트링(112)이 볼트(A)에 고정되어 결합된다.The upper fixing plate 11 is formed by passing the sprue bush 111 through which the molten resin is injected, through the upper fixing plate 11, the upper plate 12, and the first upper core 13. Locate ring 112 connected to the (not shown) is fixed to the bolt (A) is coupled.

상기 상원판(12)은 후술되는 가이드핀(211)이 삽입되는 가이드핀공(121)이 4 모서리 부위에 형성되고, 그 하면에 형성된 상부매입공(13)에 제1상부코어(14)가 삽입후 볼트(A)로 고정되는 것이다.The upper plate 12 has guide pin holes 121 into which the guide pins 211 to be described later are inserted, formed at four corners, and the first upper core 14 is inserted into the upper buried holes 13 formed at the lower surface thereof. After the bolt (A) is fixed.

또한, 상기 제1상부코어(14)는 일측에 형성된 제1내측홈(141)에 삽입후 볼트(A)결합되되 그 저면이 사출되는 제품의 외형을 이루는 제2상부코어(142)와, 상기 제2상부코어(142)에 형성된 제2내측홈(143)에 사출품에 공간이 형성되도록 상속코어(144)가 볼트(A)결합되어 형성된다. 특히, 상기 제2상부코어(142)는 제품의 외형을 이루는 하면을 도 4와 같이 벨트페파(40)가 고정된 가공장치를 이용하여 가공됨으로써 헤어라인홈(142a)이 음각되어 형성되는 것이다.In addition, the first upper core 14 is inserted into the first inner groove 141 formed on one side and the second upper core 142 which is coupled to the bolt (A) but forms the outer surface of the product is injected, and the Inheritance core 144 is formed by the bolt (A) is coupled to the space formed in the injection molded product in the second inner groove 143 formed in the second upper core 142. In particular, the second upper core 142 is formed by engraving the hairline groove 142a by processing the lower surface of the product using a processing apparatus in which the belt pepper 40 is fixed as shown in FIG. 4.

한편, 상기 상고정판(11)과 상원판(12)은 도 3과 같이 상면에서 하면으로 관통되는 제1볼트공(113)과 제2볼트공(122)이 형성된다. 상기 제1,2볼트공(113,122)에는 볼트(A)가 삽입되되, 상원판(12)과 제1상부코어(14)의 상면에 일정깊이만 관통되어 형성된 제1볼트홈(123)과 제2볼트홈(145)에 체결됨으로써 상고정판(11)과 상원판(12), 상원판(12)과 제1상부코어(14)가 각각 분해/체결되는 것이다.On the other hand, the upper fixing plate 11 and the upper plate 12 is formed with a first bolt hole 113 and a second bolt hole 122 penetrating from the upper surface to the lower surface as shown in FIG. The first bolt grooves 123 and the first bolt holes 123 and 122 are inserted into the first and second bolt holes 113 and 122, but are formed by penetrating only a predetermined depth through the upper surface of the upper plate 12 and the first upper core 14. The upper fixing plate 11 and the upper plate 12, the upper plate 12 and the first upper core 14 are disassembled / fastened by being fastened to the two bolt grooves 145, respectively.

또한, 제2상부코어(142)와 상속코어(144) 역시 제3,4볼트공(146,147)에 삽입된 볼트(A)로 체결되어 분해가능한 구조로 이루어지는 것이다.In addition, the second upper core 142 and the inherited core 144 is also made of a structure that is fastened by the bolt (A) inserted into the third and fourth bolt holes (146,147).

상기 하형(20)은 가이드핀공(121)에 대응되는 위치에 돌출되어 삽입되는 가이드핀(211)이 형성된 하원판(21)과, 상기 하원판(21) 상면 내측에 형성된 하부매입공(22)에 볼트(A)로 고정되는 하부코어(23)와, 상기 하원판(21)을 지지하는 지지블록(24)을 사이에 두고 하원판(21)과 볼트(A) 결합되는 하고정판(25)과, 상기 하원판(21) 관통후 하부코어(23)와 고정되는 리턴핀(264)이 형성된 이젝트부(26)가 구성된다.The lower mold 20 has a lower plate 21 formed with a guide pin 211 protruding into a position corresponding to the guide pin hole 121, and a lower buried hole 22 formed inside the upper surface of the lower plate 21. Fixing plate 25 coupled to the lower plate 21 and the bolt A with the lower core 23 fixed to the bolt A and the support block 24 supporting the lower plate 21 therebetween. And, after passing through the lower plate 21, the lower core 23 and the ejection unit 26 is formed with a return pin 264 is fixed.

상기 하부코어(23)는 제2상부코어(142) 하면에 대응되는 위치에 사출되는 제품의 형태가 가공된 하내주면(231)이 형성되어, 사출시 용융된 수지가 스프루부시(111)를 통하여 주입되어 사출되는 제품의 형상을 이루게 된다.The lower core 23 has a lower circumferential surface 231 in which a shape of a product injected at a position corresponding to a lower surface of the second upper core 142 is formed, and the resin melted during the injection of the sprue bush 111. It is formed through the product injected and injected through.

또한, 상기 이젝트부(26)는 하밀판(261) 상부에 볼트(A)로 고정된 상밀판(262)에 삽입되되, 그 상단이 하원판(21) 관통후 하부코어(23)에 고정되는 다수개의 리턴핀(264)과, 사출후 성형된 제품의 배출이 용이하도록 상밀판(262)에서 하내주면(231)까지 관통된 이젝트핀(263)이 구성된다. 상기 리턴핀(264)은 상/하밀판(261,262)이 하고정판(25)을 향하도록 미는 스프링(264a)이 그 외주연에 형성된다.In addition, the eject part 26 is inserted into the upper dense plate 262 fixed to the upper portion of the lower plate 261 with a bolt (A), the upper end of which is fixed to the lower core 23 after passing through the lower plate 21. A plurality of return pins 264 and an eject pin 263 penetrates from the upper dense plate 262 to the lower inner peripheral surface 231 to facilitate the discharge of the molded product after injection. The return pin 264 is formed on the outer circumference of the spring 264a which pushes the upper and lower plates 261 and 262 toward the fixed plate 25.

또한, 상고정판(11)과 상원판(12)의 결합구조와 같이, 하고정판(25)은 볼트(A)가 제5볼트공(251)과 지지블록(24)을 관통후 하원판(21) 하면에 형성된 제3볼 트홈(212)에 체결되는 것이다.In addition, like the coupling structure of the upper fixing plate 11 and the upper plate 12, the fixing plate 25 is the lower plate 21 after the bolt (A) penetrates the fifth bolt hole 251 and the support block 24 ) Is fastened to the third bolt groove 212 formed on the bottom surface.

사출금형(1)은 사출하려는 제품에 따라서 하내주면(231)에도 헤어라인홈을 형성하거나, 양쪽에 같이 형성하여 사용할 수도 있다. 또한, 제1,2상부코어(14,142)와 하부코어(23)가 상/하원판(12,21)에서 분해되도록 구성됨으로써, 사출품(2)의 형태 변경시 제1,2상부코어(14,142)와 하부코어(23)만 별도로 변경 제작하여 사용함으로써, 사출금형(1)의 제작비용이 절감되는 효과가 있는 것이다. 또한, 상기 가이드핀공(121)에 가이드핀(211)이 도 5와 같이 삽입되어 상형(10)과 하형(20)의 뒤틀림이 방지되는 것이다.The injection mold 1 may also form a hairline groove on the lower circumferential surface 231 according to the product to be injected, or may be formed on both sides. In addition, the first and second upper cores 14 and 142 and the lower core 23 are configured to be disassembled from the upper and lower plates 12 and 21, so that the first and second upper cores 14 and 142 are changed when the injection molded product 2 is changed in shape. By changing and using only the lower core 23) and separately, there is an effect that the production cost of the injection mold (1) is reduced. In addition, the guide pin 211 is inserted into the guide pin hole 121 as shown in FIG. 5 to prevent distortion of the upper mold 10 and the lower mold 20.

본 발명에 의한 헤어라인이 형성된 사출품은, 도 6에 도시된 바와 같이, 상속코어(144)가 하내주면(231)에 밀착되어 사출됨으로써 일측면에 개방공(31)이 형성된다. 또한, 헤어라인홈(142a)이 음각되어 형성된 사출금형(1)에 용융된 수지를 주입함으로써, 표면에 머리카락 굵기의 가는 헤어라인(30)이 양각으로 형성되는 것으로, 사출금형(1)에 형성된 헤어라인홈(142a)으로 인하여 사출품(1)의 헤어라인(30)이 항상 균일하게 유지될 수 있는 효과가 있는 것이다.In the injection-molded article formed by the hairline according to the present invention, as shown in FIG. 6, the opening core 31 is formed on one side by injecting the inherited core 144 in close contact with the lower inner circumferential surface 231. In addition, by injecting the molten resin into the injection mold (1) formed by engraving the hairline groove (142a), the thin hairline 30 of the thickness of the hair is formed on the surface embossed, formed on the injection mold (1) The hairline groove 142a has the effect that the hairline 30 of the injection molded product 1 can be kept uniform at all times.

본 발명은 상기한 특징의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the preferred embodiments of the above features, and those skilled in the art to which the present invention pertains various modifications without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

도 1은 종래 기술에 따른 헤어라인 가공장치의 사시도1 is a perspective view of a hairline processing apparatus according to the prior art

도 2는 본 발명에 따른 사출금형 단면도2 is a cross-sectional view of the injection mold according to the present invention

도 3은 본 발명에 따른 사출금형 분해도3 is an exploded view of the injection mold according to the present invention

도 4는 본 발명에 따른 사출금형 상세도4 is a detailed view of the injection mold according to the present invention

도 5는 본 발명에 따른 사출금형 참고도Figure 5 is an injection mold reference according to the present invention

도 6는 본 발명에 따른 사출품6 is an injection molded product according to the present invention

<도면의 주요 부분에 대한 부호 설명><Description of the symbols for the main parts of the drawings>

10 : 상형 11 : 상고정판10: Pictograph 11: Top fixing plate

111 : 스프루부시 112 : 로케이트링111: sprue bush 112: locate ring

113 : 볼트공 12 : 상원판113: bolt ball 12: the upper plate

121 : 가이드핀공 122 : 제2볼트공121: guide pin ball 122: second bolt ball

123 : 제1볼트홈 13 : 상부매입공123: first bolt groove 13: upper buried hole

14 : 제1상부코어 141 : 제1내측홈14: first upper core 141: first inner groove

142 : 제2상부코어 142a : 헤어라인홈142: second upper core 142a: hairline groove

143 : 제2내측홈 144 : 상속코어143: second inner groove 144: inherited core

145 : 제2볼트홈 146 : 제3볼트공145: second bolt groove 146: third bolt ball

147 : 제4볼트공 20 : 하형147: 4th bolt ball 20: lower mold

21 : 하원판 211 : 가이드핀21: House 211: guide pin

212 : 제3볼트홈 22 : 하부매입공212: third bolt groove 22: lower buried hole

23 : 하부코어 231 : 하내주면23: lower core 231: the lower surface

24 : 지지블록 25 : 하고정판24: support block 25: fixed plate

251 : 제5볼트공 26 : 이젝트부251: 5th bolt ball 26: ejection unit

261 : 하밀판 262 : 상밀판261: lower mill 262: upper mill

263 : 이젝트핀 264 : 리턴핀263: eject pin 264: return pin

264a : 스프링 30 : 헤어라인264a: spring 30: hairline

31 : 개방공 40 : 벨트페파 31: opening hole 40: belt pepper

Claims (4)

용융된 수지를 주입하기 위한 스프루부시(111)가 형성되는 상고정판(11)과, 상기 상고정판(11) 저면에 볼트결합되며 네개의 모서리에 가이드핀공(121)이 형성된 상원판(12)과, 상기 상원판(12) 저면 내측에 일정깊이의 공간이 형성된 상부매입공(13)과, 상기 상부매입공(13)에 삽입되어 볼트고정된 제1상부코어(14)가 형성된 상형(10)과, 상기 가이드핀공(121)에 삽입되는 가이드핀(211)이 상부로 돌출된 하원판(21)과, 상기 하원판(21) 상면 내측에 일정깊이의 공간이 형성된 하부매입공(22)과, 상기 하부매입공(22)에 삽입되어 볼트고정되는 하부코어(23)와, 상기 하원판(21)을 지지하는 지지블록(24)을 사이에 두고 하원판(21)과 볼트 결합되는 하고정판(25)과, 상기 하원판(21) 관통 후 하부코어(23)와 고정되는 리턴핀(264)이 형성된 이젝트부(26)가 하고정판(25) 중앙 상부에 형성된 하형(20)으로 이루어진 사출금형에 있어서,An upper fixing plate 11 on which a sprue bush 111 for injecting molten resin is formed, and an upper plate 12 bolt-coupled to a bottom surface of the upper fixing plate 11 and having guide pin holes 121 formed at four corners. And, the upper buried hole 13 is formed a space of a predetermined depth inside the bottom surface of the upper plate 12, and the upper mold (10) formed with the first upper core 14 is inserted into the upper buried hole (13) bolted ), A lower plate 21 in which the guide pin 211 inserted into the guide pin hole 121 protrudes upward, and a lower buried hole 22 in which a space of a predetermined depth is formed inside the upper surface of the lower plate 21. And, the lower core 23 is inserted into the lower buried hole 22 and the bolt is coupled to the lower plate 21 with a support block 24 for supporting the lower plate 21 and the lower plate 21 therebetween; The ejection part 26 formed with the top plate 25 and the return pin 264 fixed to the lower core 23 after penetrating the lower plate 21 is formed at the center of the top plate 25. In the injection mold consisting of a lower mold (20), 상기 제1상부코어(14)는 일측에 형성된 제1내측홈(141)에 삽입후 결합되되 저면이 사출되는 제품의 외형을 이루는 제2상부코어(142)와, 상기 제2상부코어(142)에 형성된 제2내측홈(143)에 고정되어 사출품에 공간이 형성되도록 상속코어(144)가 볼트결합되어 형성된 것을 특징으로 하는 헤어라인이 형성된 사출금형.The first upper core 14 is inserted into and coupled to the first inner groove 141 formed at one side thereof, but the second upper core 142 and the second upper core 142 forming the outer shape of the product from which the bottom surface is injected. Hairline formed injection mold, characterized in that the inherited core 144 is bolted to be fixed to the second inner groove 143 formed in the injection molded product to form a space. 제 1항에 있어서,The method of claim 1, 상기 제2상부코어(142)는 사출되는 제품의 상면을 이루는 저면이 벨트페 파(40)가 사용된 가공장치에 의해 헤어라인홈(142a)이 음각되어 형성된 것을 특징으로 하는 헤어라인이 형성된 사출금형.The second upper core 142 is a hairline formed injection, characterized in that the bottom surface constituting the upper surface of the product to be injected is formed by engraving the hairline groove 142a by a processing apparatus using the belt pepa 40 mold. 제 1항에 있어서,The method of claim 1, 상기 제1,2상부코어(14,142)는 각각 상부매입공(13)과 제1내측홈(141)에 삽입되며 볼트에 의해 분해/체결되도록 형성된 것을 특징으로 하는 헤어라인이 형성된 사출금형.The first and second upper cores (14, 142) are inserted into the upper buried hole (13) and the first inner groove (141), respectively, the injection mold with a hairline, characterized in that formed to be disassembled / fastened by bolts. 상기 사출금형에 용융된 수지가 투입되어 형성되는 성형 제품에 있어서,In the molded product formed by injecting the molten resin into the injection mold, 상기 상속코어(144)에 의해 일측면에 개방공(31)이 형성되되, 제2상부코어(142)에 음각된 헤어라인홈(142)에 의해 사출품 표면에 양각의 헤어라인(30)이 형성된 것을 특징으로 하는 헤어라인이 형성된 사출품.An opening 31 is formed in one side by the inherited core 144, and an embossed hairline 30 is formed on the surface of the injection molded product by the hairline groove 142 engraved in the second upper core 142. Hairline formed injection molding, characterized in that formed.
KR1020080100701A 2008-10-14 2008-10-14 Injection molding and articles having hairline KR20100041488A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104999621A (en) * 2015-06-24 2015-10-28 镇江佳鑫精工设备有限公司 Mobile phone mold frame
KR20160005457A (en) 2014-07-07 2016-01-15 범진아이엔디(주) Hair line processing apparatus for a core surface of injection mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160005457A (en) 2014-07-07 2016-01-15 범진아이엔디(주) Hair line processing apparatus for a core surface of injection mold
CN104999621A (en) * 2015-06-24 2015-10-28 镇江佳鑫精工设备有限公司 Mobile phone mold frame

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