KR19990031109A - Dual injection method of car audio knob - Google Patents

Dual injection method of car audio knob Download PDF

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Publication number
KR19990031109A
KR19990031109A KR1019970051688A KR19970051688A KR19990031109A KR 19990031109 A KR19990031109 A KR 19990031109A KR 1019970051688 A KR1019970051688 A KR 1019970051688A KR 19970051688 A KR19970051688 A KR 19970051688A KR 19990031109 A KR19990031109 A KR 19990031109A
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KR
South Korea
Prior art keywords
knob
closed
closed space
mold
character
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KR1019970051688A
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Korean (ko)
Inventor
임태형
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전주범
대우전자 주식회사
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Priority to KR1019970051688A priority Critical patent/KR19990031109A/en
Publication of KR19990031109A publication Critical patent/KR19990031109A/en

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Abstract

본 발명은 카오디오용 노브의 이중 사출방법에 관한 것으로, 금형(12)의 폐쇄문자형성부(16)에 1차수지를 주입하고, 금형(12)의 노브외형형성부(14)와 폐쇄공간형성부(18)에 2차수지를 주입하는 카오디오용 노브의 이중 사출방법에 있어서 상기 금형(12)의 폐쇄문자형성부(16)의 배면에 폐쇄공간유입구(20)를 형성하고, 상기 금형(12)의 폐쇄공간유입구(20)를 통하여 상기 폐쇄공간형성부(18)에 2차수지를 유입시키는 것으로서, 종래와 같이 금형의 폐쇄공간형성부에 2차수지를 유입하기 위하여 폐쇄공간형성부의 일측을 절단하여 폐쇄공간유입구를 형성하지 않아도 되도록 하여 카오디오용 노브(2)에 폐쇄문자(6)의 원래형상을 유지할 수 있도록 함으로써 폐쇄문자(6)의 식별력이 향상될 수 있도록 한 것이다.The present invention relates to a dual injection method of a car audio knob, the primary resin is injected into the closed character forming portion 16 of the mold 12, the knob shape forming portion 14 and the closed space formation of the mold 12 In the dual injection method of the car audio knob for injecting the secondary resin into the portion 18, a closed space inlet 20 is formed on the rear surface of the closed character forming portion 16 of the mold 12, and the mold 12 By introducing the secondary resin into the closed space forming unit 18 through the closed space inlet 20 of the), one side of the closed space forming unit in order to introduce the secondary resin into the closed space forming unit of the mold as in the prior art It is to be able to maintain the original shape of the closed character (6) in the car audio knob (2) so that it is not necessary to form a closed space inlet by cutting to improve the identification of the closed character (6).

Description

카오디오용 노브의 이중 사출방법Dual injection method of car audio knob

본 발명은 카오디오용 노브의 이중 사출방법에 관한 것으로, 특히 6자와 같이 폐쇄공간을 가지는 문자가 표시된 노브의 제작시 폐쇄공간의 배면에 폐쇄공간유입구를 형성하여 노브에 형성되는 폐쇄문자가 단절되지 않도록 함으로써 폐쇄문자의 원래 형태를 유지시킬 수 있도록 하여 폐쇄공간을 가지는 문자의 식별력이 향상된 카오디오용 노브의 이중 사출방법에 관한 것이다.The present invention relates to a dual injection method of the knob for car audio, in particular, the closed character formed in the knob is formed by forming a closed space inlet on the back of the closed space during the manufacture of the knob marked with a character having a closed space, such as six characters The present invention relates to a dual ejection method of a car audio knob, which can maintain the original form of a closed character, thereby improving the discriminating power of the closed character.

일반적으로 카오디오에 장착되는 다수의 노브에는 각각의 기능을 나타내는 문자가 형성됨으로써 카오디오의 사용자가 상기 노브의 문자를 보고 원하는 기능을 작동시키는데, 상기와 같은 노브는 사출 성형 제작한다.In general, a plurality of knobs mounted on the car audio are formed with characters representing respective functions, so that the user of the car audio can operate the desired function by looking at the letters of the knobs. Such knobs are manufactured by injection molding.

이와 같은 종래 카오디오용 노브의 이중 사출방법은 도 1에 도시한 바와 같이, 상기 노브(52)에 형성하는 문자(56)는 1차 사출성형하고 상기 노브외형(54)은 2차 사출성형한다.In the dual injection method of the conventional car audio knob as shown in FIG. 1, the letters 56 formed on the knob 52 are primary injection molded and the knob outline 54 is secondary injection molded. .

그리고, 상기 문자(56) 부분을 형성하기 위하여 주입되는 1차수지는 프론트 피씨비에 설치한 램프에서 발산되는 빛이 투과될 수 있도록 우유빛과 같은 연한색을 가진 수지를 주입하고, 상기 문자(56) 부분을 제외한 노브외형(54)을 형성하기 위하여 주입되는 2차수지는 상기 램프 빛이 투과되지 않도록 검은색과 같은 진한색을 가진 수지를 주입한다.In addition, the primary resin injected to form the portion of the character 56 injects a resin having a light color such as milky color so that light emitted from a lamp installed in the front PCB is transmitted, and the portion of the character 56 is formed. The secondary resin injected to form the knob shape 54 except for injects a resin having a dark color such as black so that the lamp light does not penetrate.

한편, 상기와 같은 노브(52)에 형성되는 문자(56)에는 6,8 그리고 A,B 또는 ㅁ,ㅂ과 같이 폐쇄공간(58)을 가지는 문자(이하, "폐쇄문자(56)"라 한다.)와, 2,3 그리고 C,E 또는 ㄱ,ㄴ과 같이 폐쇄공간을 가지지 않는 문자가 있으며, 도 1a에 예시한 바와 같이 6자와 같이 폐쇄공간(58)을 가지는 폐쇄문자(56)를 형성하기 위하여는 도 2a에 도시한 바와 같이 금형(61)의 폐쇄문자형성부(64)에 1차수지를 주입한 다음 도 2b에 도시한 바와 같이 금형(61)의 노브외형형성부(62)에 2차수지를 주입한다.On the other hand, the character 56 formed in the knob 52 as described above is a character having a closed space 58, such as 6, 8 and A, B or ㅁ, ((hereinafter referred to as "closed character 56") .), 2,3 and a letter that does not have a closed space, such as C, E or a, b, and a closed letter 56 having a closed space 58, such as six characters, as illustrated in FIG. In order to form, as shown in FIG. 2A, the primary resin is injected into the closed character forming unit 64 of the mold 61, and then, as shown in FIG. 2B, into the knob outline forming unit 62 of the mold 61. Inject the secondary resin.

그런데, 상기와 같은 경우에는 폐쇄공간형성부(66)가 상기 폐쇄문자형성부(64)에 의하여 주위가 막힘으로써 상기 폐쇄공간형성부(66)에는 2차수지를 유입할 수 없었다.In this case, however, the secondary space was not introduced into the closed space forming unit 66 because the closed space forming unit 66 was blocked by the closed character forming unit 64.

그리하여 상기와 같이 상기 금형(61)의 폐쇄공간형성부(66)에 2차수지를 유입하기 위하여 도 2에 도시한 바와 같이 상기 폐쇄문자(56)의 폐쇄공간형성부(66)의 일측을 절개하여 폐쇄공간유입구(66)를 형성함으로써 상기 폐쇄공간형성부(66)에 2차수지를 유입할 수 있도록 하였다.Thus, as shown in FIG. 2, one side of the closed space forming unit 66 of the closed character 56 is cut in order to introduce the secondary resin into the closed space forming unit 66 of the mold 61. By forming the closed space inlet 66 to allow the secondary resin to flow into the closed space forming unit 66.

그런데, 상기와 같이 폐쇄공간형성부(66)의 일측에 폐쇄공간유입구(66)를 형성하여 상기 폐쇄공간형성부(66)에 2차수지를 유입하는 종래의 방법은 상기 노브(52)에 형성되는 폐쇄문자(56)의 일측에 단절부(60)가 형성되어 상기 노브(52)에 형성한 폐쇄문자(56)의 원래 형상이 유지되지 못함으로써 상기 폐쇄공간(58)을 가지는 폐쇄문자(56)의 식별력이 저하되는 문제점이 있었다.However, the conventional method of introducing the secondary resin into the closed space forming unit 66 by forming the closed space inlet 66 on one side of the closed space forming unit 66 as described above is formed in the knob 52. The cut-off part 60 is formed at one side of the closed letter 56 so that the original shape of the closed letter 56 formed in the knob 52 cannot be maintained, so that the closed letter 56 has the closed space 58. ), There is a problem that the discriminating power of.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출한 것으로서, 6자와 같이 폐쇄공간을 가지는 문자가 표시된 노브의 제작시 폐쇄공간의 배면에 폐쇄공간유입구를 형성하여 노브에 표시되는 폐쇄문자가 단절되지 않도록 함으로써 노브에 형성되는 폐쇄문자의 원래 형상을 유지시킬 수 있도록 하여 폐쇄공간을 가지는 문자의 식별력이 향상된 카오디오용 노브의 이중 사출방법을 제공함에 그 목적이 있다.The present invention has been made in order to solve the above problems, when forming a knob that has a character with a closed space, such as six characters to form a closed space inlet on the back of the closed space is not disconnected characters displayed on the knob is disconnected The purpose of the present invention is to provide a dual injection method of a knob for car audio, which can maintain the original shape of the closed letter formed on the knob, thereby improving the identification of the closed letter.

상기와 같은 목적을 달성하기 위한 본 발명은 금형의 폐쇄문자형성부에 1차수지를 주입하고, 금형의 노브외형형성부와 폐쇄공간형성부에 2차수지를 주입하는 카오디오용 노브의 이중 사출방법에 있어서, 상기 금형의 폐쇄문자형성부의 배면에 폐쇄공간유입구를 형성하고, 상기 금형의 폐쇄공간유입구를 통하여 상기 폐쇄공간형성부에 2차수지를 유입시키는 것을 특징으로 한다.The present invention for achieving the above object is a double injection method of a car audio knob for injecting a primary resin in the closed character forming portion of the mold, and a secondary resin in the knob external forming portion and the closed space forming portion of the mold. The method may include forming a closed space inlet on a rear surface of the closed letter forming unit of the mold, and introducing a secondary resin into the closed space forming unit through the closed space inlet of the mold.

이하, 본 발명에 의한 카오디오용 노브의 이중 사출방법을 첨부한 도면을 참고로 하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the dual injection method of the car audio knob according to the present invention will be described in detail.

도 1는 종래의 폐쇄문자가 표시된 노브를 도시한 도면으로서, 도 1a는 상기 노브의 정면도이고, 도 1b는 상기 노브의 단면도,1 is a view showing a knob marked with a conventional closed letter, Figure 1a is a front view of the knob, Figure 1b is a cross-sectional view of the knob,

도 2는 종래의 폐쇄문자를 형성한 노브를 사출 성형하는 방법을 도시한 개략도로서, 도 2a는 1차수지를 주입하는 상태를 나타낸 도면이고, 도 2b는 2차수지를 주입하는 상태를 나타낸 도면,Figure 2 is a schematic diagram showing a method of injection molding a knob forming a conventional closed character, Figure 2a is a view showing a state of injecting a primary resin, Figure 2b is a view showing a state of injecting a secondary resin ,

도 3은 본 발명에 의해 제작된 폐쇄문자를 형성한 노브를 도시한 도면으로서, 도 3a는 상기 노브의 정면도이고, 도 3b는 상기 노브의 단면도,Figure 3 is a view showing a knob forming a closed letter produced by the present invention, Figure 3a is a front view of the knob, Figure 3b is a cross-sectional view of the knob,

도 4는 본 발명에 의하여 폐쇄문자를 형성한 노브를 사출 성형하는 방법을 도시한 개략도로서, 도 4a는 1차수지를 주입하는 상태를 나타낸 도면이고, 도 4b는 2차수지를 주입하는 상태를 나타낸 도면.Figure 4 is a schematic diagram showing a method of injection molding a knob forming a closed character according to the present invention, Figure 4a is a view showing a state of injecting a primary resin, Figure 4b is a state of injecting a secondary resin Shown.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

12 : 금형 14 : 노브외형형성부12: mold 14: knob shape forming part

16 : 노브외형형성부 18 : 폐쇄공간형성부16: knob shape forming unit 18: closed space forming unit

20 : 폐쇄공간유입구20: closed space inlet

도 3은 본 발명에 따른 방법에 의하여 제작한 노브의 도면이고, 도 4는 본 발명에 노브의 사출 방법을 도시한 개략도로서, 본 발명에 의한 카오디오용 노브의 이중 사출방법은 노브(2)에 형성하는 문자(6)는 1차 사출성형하고, 상기 노브외형(4)은 2차 사출성형한다.Figure 3 is a view of a knob manufactured by the method according to the invention, Figure 4 is a schematic diagram showing the injection method of the knob in the present invention, the dual injection method of the car audio knob according to the present invention is a knob (2) Letters (6) formed in the primary injection molding, the knob outline (4) is secondary injection molding.

그리고, 상기 노브(2)에 형성되는 문자(6)가 6,8 그리고 A,B 또는 ㅁ,ㅂ과 같이 폐쇄공간(8)을 가지는 문자(이하, 폐쇄문자(6)라 한다.)인 경우에는 상기 노브(2)에 폐쇄문자(6)를 형성하기 위하여는 금형(12)의 폐쇄문자형성부(16)에 1차수지를 주입하고, 금형(12)의 노브외형형성부(14)에 2차수지를 주입한다.In addition, when the character 6 formed in the knob 2 is a character having a closed space 8 such as 6, 8 and A, B or ㅁ, ㅂ (hereinafter referred to as a closed character 6). In order to form the closed character 6 in the knob 2, the primary resin is injected into the closed character forming portion 16 of the mold 12, and the knob external forming portion 14 of the mold 12 Inject the resin.

이때, 상기 금형(12)의 폐쇄공간형성부(18)에는 상기 2차수지를 주입하기 위하여 상기 금형(12)의 폐쇄공간형성부(18)의 배면에 형성한 폐쇄공간유입구(20)를 통하여 2차수지를 유입시킨다.At this time, the closed space forming portion 18 of the mold 12 through the closed space inlet 20 formed on the rear surface of the closed space forming portion 18 of the mold 12 to inject the secondary resin. Introduce secondary resin.

또한, 상기 금형(12)의 폐쇄문자형성부(16)에는 프론트 피씨비에 설치한 램프에서 발산되는 빛이 투과될 수 있도록 우유빛과 같은 연한색을 가진 수지를 주입하고, 상기 금형(12)의 노브외형형성부(14)에는 상기 프론트 피씨비에 설치한 램프에서 발산되는 빛이 투과되지 않도록 검은색과 같은 진한색을 가진 수지를 주입한다.In addition, the closed character forming unit 16 of the mold 12 is injected with a resin having a light color such as milky light so that light emitted from the lamp installed in the front PCB can be transmitted, and the knob shape of the mold 12 The forming unit 14 is injected with a resin having a dark color such as black so that light emitted from the lamp installed in the front PC is not transmitted.

한편, 상기와 같은 본 발명에 의한 방법에 의하여 노브(2)를 사출하는 과정을 도 4를 참고로 하여 설명하면 다음과 같다.On the other hand, the process of injecting the knob 2 by the method according to the present invention as described above with reference to Figure 4 as follows.

먼저, 폐쇄문자(6)를 형성하기 위하여 도 4a에 도시한 바와 같이 상기 금형(12)의 폐쇄문자형성부(16)에 우유빛의 연한색을 가진 1차수지를 주입한다.First, in order to form the closed letter 6, a primary resin having a milky light color is injected into the closed letter forming part 16 of the mold 12 as shown in FIG. 4A.

그리고, 상기 노브외형(4)을 형성하기 위하여 도 4b에 도시한 바와 같이 상기 금형(12)의 노브외형형성부(14)에 검은색을 가진 2차수지를 주입하는데, 상기 2차수지는 상기 노브외형형성부(14)에 주입되다가 상기 폐쇄문자형성부(16)의 폐쇄공간형성부(18)에 이르면 도 4b에 도시한 바와 같이 상기 폐쇄공간형성부(18) 배면에 형성한 폐쇄공간유입구(20)를 통하여 상기 폐쇄공간형성부(18)에 주입된다.In order to form the knob shape 4, a secondary resin having a black color is injected into the knob shape forming part 14 of the mold 12, as shown in FIG. 4B. Injected into the outer shape forming unit 14 and reaches the closed space forming unit 18 of the closed character forming unit 16, as shown in FIG. 4B, the closed space inlet 20 formed on the rear surface of the closed space forming unit 18. It is injected into the closed space forming unit 18 through).

한편, 상기 노브(2)의 폐쇄문자(6) 폐쇄공간(8) 배면에는 상기 금형(12)의 폐쇄공간형성부(18)에 주입된 2차수지에 의하여 돌출부(10)가 형성된다.On the other hand, the projection 10 is formed by the secondary resin injected into the closed space forming part 18 of the mold 12 on the back of the closed character 6 of the closed character (6) of the knob (2).

그리하여 상기와 같이 제작한 노브(2)에 프론트 피씨비에 설치한 램프에서 발산하는 빛이 상기 노브(2)의 폐쇄문자(6) 부분만을 투과함으로써 상기 노브(2)에 형성한 폐쇄문자(6)가 선명하게 나타난다.Thus, the light emitted from the lamp installed in the front PCB on the knob 2 produced as described above transmits only the closed letter 6 portion of the knob 2, thereby forming the closed letter 6 on the knob 2. Appears clearly.

이와 같이, 본 발명에 의한 카오디오용 노브의 이중 사출방법은 폐쇄공간(8)을 가지는 폐쇄문자(6)를 형성하는 노브(2)의 제작시 상기 금형(12)의 폐쇄공간형성부(18)의 배면에 폐쇄공간유입구(20)를 형성함으로써 종래와 같이 금형의 폐쇄공간형성부에 2차수지를 유입하기 위하여 폐쇄공간형성부의 일측을 절단하여 폐쇄공간유입구를 형성하지 않아도 되도록 함으로써 폐쇄문자의 원래 형상을 유지할 수 있도록 하여 폐쇄문자의 식별력이 향상되는 효과가 있다.As described above, the dual injection method of the car audio knob according to the present invention is a closed space forming part 18 of the mold 12 when the knob 2 is formed to form the closed letter 6 having the closed space 8. By forming the closed space inlet 20 on the back of the) to cut the one side of the closed space forming portion in order to introduce the secondary resin into the closed space forming portion of the mold as in the prior art by not having to form a closed space inlet By maintaining the original shape has the effect of improving the identification of the closed character.

Claims (1)

금형(12)의 폐쇄문자형성부(16)에 1차수지를 주입하고, 금형(12)의 노브외형형성부(14)와 폐쇄공간형성부(18)에 2차수지를 주입하는 카오디오용 노브의 이중 사출방법에 있어서,A car audio knob for injecting a primary resin into the closed character forming unit 16 of the mold 12 and injecting a secondary resin into the knob outline forming unit 14 and the closed space forming unit 18 of the mold 12. In the double injection method of, 상기 금형(12)의 폐쇄문자형성부(16)의 배면에 폐쇄공간유입구(20)를 형성하고, 상기 금형(12)의 폐쇄공간유입구(20)를 통하여 상기 폐쇄공간형성부(18)에 2차수지를 유입시키는 것을 특징으로 하는 카오디오용 노브의 이중 사출방법.The closed space inlet 20 is formed on the rear surface of the closed letter forming unit 16 of the mold 12, and the secondary space is formed in the closed space forming unit 18 through the closed space inlet 20 of the mold 12. Dual injection method of a knob for car audio, characterized in that the resin is introduced.
KR1019970051688A 1997-10-09 1997-10-09 Dual injection method of car audio knob KR19990031109A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190024512A (en) 2017-08-29 2019-03-08 (주)에스엠테크 Blending fuel composition comprising gel-type alcohol fuel and solid fuel and producing method of blending fuel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190024512A (en) 2017-08-29 2019-03-08 (주)에스엠테크 Blending fuel composition comprising gel-type alcohol fuel and solid fuel and producing method of blending fuel

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