KR100717711B1 - Manufacturing method of injection article having decoration film layer - Google Patents

Manufacturing method of injection article having decoration film layer Download PDF

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Publication number
KR100717711B1
KR100717711B1 KR1020050105216A KR20050105216A KR100717711B1 KR 100717711 B1 KR100717711 B1 KR 100717711B1 KR 1020050105216 A KR1020050105216 A KR 1020050105216A KR 20050105216 A KR20050105216 A KR 20050105216A KR 100717711 B1 KR100717711 B1 KR 100717711B1
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South Korea
Prior art keywords
decorative film
manufacturing
bonding
injection
pieces
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KR1020050105216A
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Korean (ko)
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KR20050113569A (en
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홍성태
윤정상
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주식회사 영폴리머
주식회사태양인몰드
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Priority to KR1020050105216A priority Critical patent/KR100717711B1/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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C45/14221—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B29C2045/14704—Coating articles provided with a decoration ink decorations

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

Abstract

본 발명은 합성수지 시트의 전면에 그림이나 문자 또는 색상 등과 같은 원하는 형상으로 인쇄잉크층이 형성되어 있고 후면에 열용융접착제가 도포된 장식필름을 사용하여 두 종류 이상의 장식필름조각을 제작하고, 서로 접합하여 완전한 형태의 장식필름을 제작한 다음, 상기 장식필름을 사출금형에 삽입하고 사출물을 주입하여 사출성형한 장식용 필름층을 갖는 사출성형품의 제작 방법을 제공한다. According to the present invention, a printing ink layer is formed on a front surface of a synthetic resin sheet in a desired shape such as a picture, a letter or a color, and two or more kinds of decorative film pieces are manufactured by using a decorative film coated with a hot melt adhesive on the back, and then bonded to each other. By manufacturing a decorative film of a complete form, and then inserting the decorative film into an injection mold and injecting the injection molding provides a method for producing an injection molded article having a decorative film layer injection molded.

필름, 사출성형품, 장식, 접합 Film, Injection Molded Products, Decoration, Bonding

Description

장식용 필름층을 갖는 사출성형품의 제작 방법{MANUFACTURING METHOD OF INJECTION ARTICLE HAVING DECORATION FILM LAYER}MANUFACTURING METHOD OF INJECTION ARTICLE HAVING DECORATION FILM LAYER}

도 1은 본 발명의 사출성형품의 일예를 나타낸 사시도1 is a perspective view showing an example of an injection molded article of the present invention

도 2는 본 발명의 장식필름의 일예를 나타낸 사시도Figure 2 is a perspective view showing an example of the decorative film of the present invention

도 3은 도 2에서 A-A선 단면도3 is a cross-sectional view taken along the line A-A in FIG.

도 4는 도 3에서 접합부인 B부분 부분 상세도FIG. 4 is a detailed view of a portion B of the junction in FIG.

도 5는 내지 도 11은 접합부의 다른 실시예를 나타낸 부분 상세도5 to 11 is a partial detailed view showing another embodiment of the junction

도 12는 접합금형에 장식필름을 안치하고 프레스로 압착하여 결합부를 접합하는 개념도12 is a conceptual diagram for bonding the bonding portion by placing the decorative film in the bonding mold and pressing by pressing

＜도면의 주요부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

10 : 장식필름조각 20 : 인쇄잉크층10: decorative film pieces 20: printing ink layer

30 : 열용융접착제 40 : 합성수지 시트30: hot melt adhesive 40: synthetic resin sheet

50 : 접합부 60 : 양면테이프50: junction 60: double-sided tape

70 : 단면테이프 80 : 접합금형70: section tape 80: joining mold

90 : 프레스 100 : 흡착공90 press 100 adsorption hole

110 : 장식필름 120 : 사출성형품110: decorative film 120: injection molded product

130 : 채널형 홈130: channel type groove

본 발명은 장식용 필름층을 갖는 사출성형품의 제작방법에 관한 것으로, 보다 구체적으로는 합성수지 시트의 전면에 그림이나 문자 또는 색상 등과 같은 원하는 형상으로 인쇄잉크층이 형성되어 있고 후면에 열용융접착제가 도포된 장식필름을 사용하여 두 종류 이상의 장식필름조각을 제작하고, 서로 접합하여 완전한 형태의 장식필름을 제작한 다음, 상기 장식필름을 사출금형에 삽입하고 사출물을 주입하여 사출성형한 장식용 필름층을 갖는 사출성형품의 그 제작 방법에 관한 것이다.The present invention relates to a method for manufacturing an injection molded article having a decorative film layer, and more specifically, a printing ink layer is formed on a front surface of a synthetic resin sheet in a desired shape such as a picture, a character or a color, and a hot melt adhesive is applied on the back side. After making two or more pieces of decorative film using the decorative film, and then bonded to each other to produce a decorative film of a complete form, and then inserting the decorative film into an injection mold and injecting the injection molding having a decorative film layer for injection molding The manufacturing method of the injection molded article.

일반적으로 합성수지 사출성형품에 일정 무늬나 색깔을 인쇄하는 방법의 하나로서, 합성수지 시트의 한쪽 측면에 사용자가 원하는 도안을 인쇄하여 인쇄필름을 만들고, 인쇄필름의 일측면 또는 양측면을 히터판으로 가열하고, 가열된 인쇄필름을 양,음각형상의 형틀에 넣어 성형하고, 성형된 인쇄필름의 불필요한 부분을 절단하고, 최종적으로 인쇄필름을 금형에 삽입한 후 삽입된 인쇄필름의 일측면에 합성수지를 사출하여 표면에 일정 도안이 인쇄된 합성수지 사출품을 성형 가공하여 왔다.In general, as a method of printing a predetermined pattern or color on a synthetic resin injection molded product, by printing a desired pattern on one side of the synthetic resin sheet to make a printing film, heating one side or both sides of the printing film with a heater plate, The heated printing film is molded into a positive and negative mold, and cut unnecessary parts of the formed printing film, and finally, the printing film is inserted into a mold, and then the synthetic resin is injected onto one side of the inserted printing film. Has been molded into a synthetic resin injection molded product.

그런데, 상기 종래의 합성수지 사출품은 한 개의 인쇄필름만을 사용하여 사출품의 전면을 장식하거나, 수 개의 인쇄필름으로 사출품의 전면 중 필요한 부분만 장식하는 형식이다.However, the conventional synthetic resin injection molding is a type of decorating the front surface of the injection molded product using only one printing film, or decorating only a necessary portion of the front surface of the injection molded product with several printing films.

그러나, 구매자의 소비수준의 증가에 따라 보다 외관이 미려한 고품질의 사 출성형품의 요구가 증대됨에 따라 상기와 같은 종래의 사출성형방법으로 충족할 수 없는 문제가 있었다.However, there has been a problem that cannot be satisfied by the conventional injection molding method as described above, as the demand for high quality injection molded articles having a more beautiful appearance is increased as the consumption level of the buyer increases.

본 발명은 별도로 제작된 두 종류 이상의 필름조각을 접합하여 완전한 형태의 장식필름을 제작하여 금형내에서 사출성형한 보다 외관이 우수한 고품질의 장식용 필름층을 갖는 사출성형품의 제작방법을 제공하는 데 그 목적이 있다.The present invention is to provide a method of manufacturing an injection-molded article having a high-quality decorative film layer having a more excellent appearance by injection molding in a mold by joining two or more kinds of film pieces separately manufactured to form a decorative film. There is this.

상술한 목적을 달성하기 위한 본 발명에 따르면, 본 발명의 장식용 필름층을 갖는 사출성형품의 제작방법은 합성수지 시트(40)의 전면에 인쇄잉크층(20)을 형성하고, 후면에 열용융접착제(30)를 도포하여 장식필름원판을 제작하는 단계와; 상기 장식필름원판을 히터판으로 가열하고, 가열된 장식필름원판을 음각과 양각중 어느 하나의 형상의 형틀에 넣어 성형하고 불필요한 부분을 제거하여 장식필름조각(10)을 제작하되, 상기 장식필름조각(10)을 두 종류 이상으로 제작하는 단계와; 상기 두 종류 이상의 장식필름조각(10)의 가장자리부위의 접합부(50)를 접합하여 완전한 형태의 장식필름(110)을 제작하는 제작단계 및; 상기 장식필름(110)을 사출금형에 삽입한 후 사출물을 주입하여 사출성형품(120)을 제작하는 단계를 구비한다.
이와 같은 본 발명에 따른 장식용 필름층을 갖는 사출성형품의 제작방법에서 상기 장식필름조각(10)을 제작하는 단계는 상기 두 종류 이상의 장식필름조각(10)이 접합된 상태에서 접합부(50) 및 접합부 주변부의 단면이 사각형과 사다리꼴 중 어느 하나인 채널형 홈(130)이 되게 제작되고, 또한 상기 접합부(50)는 상기 채널형 홈(130)의 바닥면과 일측면 중 어느 하나로서 장식필름조각(10)이 일부 겹쳐지는 형태로 제작될 수 있다.
이와 같은 본 발명에 따른 장식용 필름층을 갖는 사출성형품의 제작방법에서 상기 장식필름(110) 제작단계는, 열용융접착제(30)가 도포된 후면이 밖으로 향하게 장식필름조각(10)들을 엎어두고, 장식필름조각(10)이 안치되는 안치면과 필름을 진공흡착하여 고정할 수 있는 흡착공(100)이 성형된 접합금형(80)에 올려두고, 상기 장식필름조각(10)의 겹쳐진 접합부(50)를 가열된 프레스(90)로 압착하여 접합시킬 수 있다.
상기와 같은 목적을 달성하기 위한 본 발명의 구성을 제시된 도면을 참조하여 구체적으로 살펴보면 다음과 같다.According to the present invention for achieving the above object, the manufacturing method of the injection-molded article having a decorative film layer of the present invention forms a printing ink layer 20 on the front surface of the synthetic resin sheet 40, the heat-melting adhesive ( 30) applying a manufacturing step of the decorative film disc; The decorative film disc is heated by a heater plate, the heated decorative film disc is put into a mold of any one of an intaglio and an embossed shape, and the unnecessary part is removed to produce a decorative film piece 10, wherein the decorative film piece Manufacturing at least two kinds of (10); A fabrication step of manufacturing the decorative film 110 in a complete form by bonding the bonding portions 50 of the edges of the two or more decorative film pieces 10; After inserting the decorative film 110 into an injection mold, and injection molding the injection molded article 120 is prepared.
In the manufacturing method of the injection-molded article having a decorative film layer according to the present invention, the step of producing the decorative film pieces 10, the bonding portion 50 and the bonding portion in a state in which the two or more decorative film pieces 10 are bonded. Peripheral cross section is made to be a channel-shaped groove 130 of any one of a square and a trapezoid, and the bonding portion 50 is a decorative film piece as any one of the bottom surface and one side of the channel-shaped groove 130 ( 10) may be manufactured in the form of some overlap.
In the manufacturing method of the injection-molded article having a decorative film layer according to the present invention, the manufacturing step of the decorative film 110, the decorative film pieces 10 are placed so that the rear side to which the hot melt adhesive 30 is applied outwards, Place the decorative film piece 10 is placed on the settled mold 80 and the adsorbing hole 100, which can be fixed by vacuum adsorption on the film and the film is placed, the overlapping joint portion 50 of the decorative film piece 10 ) Can be pressed and joined with a heated press 90.
Looking at the configuration of the present invention for achieving the above object with reference to the drawings presented in detail as follows.

도 1은 본 발명의 사출성형품의 일예를 나타낸 사시도이고, 도 2는 본 발명의 장식필름의 일예를 나타낸 사시도이다.1 is a perspective view showing an example of an injection molded article of the present invention, Figure 2 is a perspective view showing an example of a decorative film of the present invention.

도 3은 도 2에서 A-A선 단면도이고, 도 4는 도 3에서 접합부인 B부분 부분 상세도이며, 도 5는 내지 도 11은 접합부의 다른 실시예를 나타낸 부분 상세도이다.3 is a cross-sectional view taken along line A-A in FIG. 2, FIG. 4 is a detailed view of a portion B of the junction in FIG. 3, and FIGS. 5 to 11 are detailed views of another embodiment of the junction.

도 12는 접합금형에 장식필름을 안치하고 프레스로 압착하여 결합부를 접합하는 개념도이다.12 is a conceptual view of bonding a coupling part by placing a decorative film in a bonding mold and pressing with a press.

도 1에서 보는 본 발명의 사출성형품(120)은, 도 4에서 보는 바와 같이, 합성수지 시트(40)의 전면에 그림이나 문자 또는 색상 등과 같은 원하는 형상으로 인쇄잉크층(20)이 형성되어 있고 후면에 열용융접착제(30)가 도포된 장식필름을 사용하여 제작한 두 종류 이상의 장식필름조각(10)을 서로 접합하여, 도 2와 같이, 완전한 형태의 장식필름(110)을 제작한 다음, 상기 장식필름(110)을 사출금형에 삽입하고 사출물을 주입하여 사출성형한 장식용 필름층을 갖는 사출성형품이다.As shown in Figure 4, the injection molded article 120 of the present invention, as shown in Figure 4, the print ink layer 20 is formed on the front of the synthetic resin sheet 40 in a desired shape such as a picture, text or color, and the back Bonding two or more kinds of decorative film pieces 10 produced using a decorative film coated with a hot melt adhesive 30 to each other, as shown in Figure 2, to produce a decorative film 110 of a complete form, then The decorative film 110 is an injection-molded article having a decorative film layer which is injection molded by inserting an injection molding into an injection mold.

상기와 같이 별도로 제작한 필름을 사용하여 제작한 장식필름조각(10)을 접합하여 장식필름(110)을 제작한 후 금형내에 안치하여 사출품을 성형하면, 처음부터 하나의 필름만으로 제작한 장식필름으로는 얻을 수 없는 상당히 고급스럽고 외관이 미려한 사출성형품(120)을 얻을 수 있다.When the decorative film 110 is manufactured by bonding the decorative film pieces 10 produced using the separately produced film as described above, and then placed in a mold and molding the injection molded product, the decorative film is made of only one film from the beginning. It is possible to obtain an injection-molded article 120, which is quite luxurious and beautiful in appearance.

두 종류 이상의 장식필름조각(10)을 서로 접합하여 제작한 장식필름(110)을 사용하는 본 발명의 사출성형품(120)의 제작방법을 단계별로 살펴보면 다음과 같다.Looking at the manufacturing method of the injection molded article 120 of the present invention using the decorative film 110 manufactured by bonding two or more decorative film pieces 10 to each other as follows.

본 발명의 장식용 필름층을 갖는 사출성형품의 제작방법은, Method for producing an injection molded article having a decorative film layer of the present invention,

합성수지 시트(40)의 전면에 그림이나 문자 또는 색상 등과 같은 원하는 형상으로 보호잉크와 접착잉크 등을 인쇄하여 인쇄잉크층(20)을 형성하고, 후면에 열용융접착제(30)를 도포하여 장식필름원판을 제작하는 단계와;The printing ink layer 20 is formed by printing a protective ink and an adhesive ink in a desired shape such as a picture, a character or a color on the front surface of the synthetic resin sheet 40, and applying a hot melt adhesive 30 to the back side to decorate the decorative film. Manufacturing a disc;

상기 장식필름원판이 용이하게 변형될 수 있도록 장식필름원판의 일측면 또는 양측면을 히터판으로 가열하고, 가열된 장식필름원판을 음각 또는 양각형상의 형틀에 넣고 진공흡입 또는 공기압을 가하여 양각 또는 음각으로 성형하고 불필요한 부분을 제거하여 원하는 형상의 장식필름조각(10)을 제작하되, 상기 장식필름조각(10)을 두 종류 이상으로 제작하는 단계와;One side or both sides of the decorative film disc is heated with a heater plate so that the decorative film disc can be easily deformed, and the heated decorative film disc is placed in an intaglio or embossed mold to be embossed or intaglio by applying vacuum suction or air pressure. Molding and removing unnecessary portions to produce decorative film pieces 10 having a desired shape, wherein the decorative film pieces 10 are manufactured in two or more kinds;

상기 두 종류 이상의 장식필름조각(10)의 가장자리부위의 접합부를 접합하여 완전한 형태의 장식필름(110)을 제작하는 제작단계와;A fabrication step of manufacturing a decorative film 110 in a complete form by bonding the joints of the edges of the two or more decorative film pieces 10;

상기 장식필름(110)을 사출금형에 삽입한 후 사출물을 주입하여 소정의 사출성형품(120)을 사출성형하는 단계를 포함하는 것을 주요 특징으로 한다.After inserting the decorative film 110 into an injection mold, it is characterized in that it comprises the step of injecting an injection molding a predetermined injection molded article 120.

상기 합성수지 시트(40)는 일반적으로 ABS, PET, PVC, 폴리카보네이트, 아크릴 등과 같은 합성수지 재질이고, 상기 열용융접착제(30)는 핫멜트(hot melt)와 같이 상온에서는 고체이나 일정온도 이상으로 가열하면 점성을 지닌 액체가 되는 공업용 접착제로서, 금형내에 주입되는 고온의 사출물과 필름층을 완전히 접합하는 역할을 한다.The synthetic resin sheet 40 is generally a synthetic resin material such as ABS, PET, PVC, polycarbonate, acrylic, and the like, and the hot melt adhesive 30 is heated at room temperature or above a certain temperature such as hot melt. An industrial adhesive that becomes a viscous liquid, and serves to completely bond the hot injection material injected into a mold and the film layer.

상기 장식필름원판을 제작하는 단계나 장식필름조각(10)을 제작하는 단계는 당업자에 의하여 용이하게 실시되고 있는 공지의 기술이다.The manufacturing of the decorative film disc or the manufacturing of the decorative film pieces 10 is a known technique that is easily performed by those skilled in the art.

상기와 같이 두 종류 이상의 장식필름조각(10)의 가장자리부위의 접합부를 접합하여 완전한 형태의 장식필름(110)을 제작하고, 제작된 장식필름을 사출금형에 삽입한 다음 고온의 사출물을 주입하면 장식필름 후면에 도포된 접착제가 녹으면서 사출품이 사출성형된다.As described above, by joining the joints of the edges of the two or more kinds of decorative film pieces 10 to produce a decorative film 110 of a complete shape, and inserting the produced decorative film into an injection mold and then injecting a high-temperature injection molding The injection molded product is injection molded while the adhesive applied to the back of the film is melted.

상기 장식필름조각(10)들을 사전에 접합하여 사출금형내에 삽입하는 것은 사출물이 주입될 때 사출물의 흐름에 의하여 장식필름조각(10)들의 위치가 바뀌어 불량품이 발생하는 것을 방지하고 금형내에 보다 안정적으로 쉽게 삽입할 수 있기 때문이다.Bonding the decorative film pieces 10 in advance and inserting them into the injection mold prevents the occurrence of defective products by changing the position of the decorative film pieces 10 by the flow of the injection material when the injection material is injected and more stably in the mold. It is easy to insert.

상기 장식필름조각 제작단계는 장식필름조각(10)들이 접합된 상태에서 접합부 및 접합부 주변부의 단면이 사각형(도 4 내지 도 6 참조) 또는 사다리꼴(도 7 내지 도 9 참조)인 채널형 홈(130)이 되게 제작되고, 또한 접합부(50)는 채널형 홈(130)의 바닥면 또는 측면으로서 장식필름조각(10)이 겹쳐지는 형태로 제작되는 것이 바람직한 데, 이는 접합부(50)의 경계선을 채널형 홈(130)의 바닥면에 구성하면 사용 중에 접합부(50)가 떨어지는 것을 방지할 수 있고 외관상 잘 보이지 않을 뿐만 아니라, 채널형 홈(130) 자체도 상당한 미적 효과를 기대할 수 있기 때문이다.The decorative film piece production step is a channel-shaped groove 130, the cross section of the junction portion and the peripheral portion of the bonded portion in the state in which the decorative film fragments 10 are bonded (refer to FIGS. 4 to 6) or trapezoidal (see FIGS. 7 to 9). ), And the joint 50 is preferably manufactured in such a manner that the decorative film pieces 10 overlap with each other as the bottom or side surface of the channel groove 130, which forms a boundary line of the joint 50. When configured on the bottom surface of the mold groove 130, it is possible to prevent the junction 50 from falling during use, not only look good in appearance, but also the channel groove 130 itself can be expected a considerable aesthetic effect.

상기 장식필름 제작단계는, 열용융접착제(30)가 도포된 후면이 밖으로 향하게 장식필름조각(10)들을 엎어두고 안정적으로 접합할 수 있도록 장식필름조각(10)이 안치되는 안치면과 필름을 진공흡착하여 고정할 수 있는 흡착공(100)이 성형된 접합금형(80)에 올려두고 접합부(50)를 접합하는 것이 효율적이며, 상기 장식필름조각(10)의 겹쳐진 접합부(50)를 일정온도로 가열된 프레스(90)로 압착하면 필름 후면에 도포되어있던 열용융접착제(30)가 순간적으로 녹으면서 접합된다.The decorative film manufacturing step, vacuum the settled surface and film in which the decorative film pieces (10) are placed so that the decorative film pieces (10) can be turned upside down so that the rear surface coated with the hot melt adhesive (30) faces outwards. It is efficient to place the bonding portion 50 by placing the adsorption hole 100 that can be fixed by adsorption on the molded bonding mold 80, and the overlapped bonding portions 50 of the decorative film pieces 10 are kept at a predetermined temperature. When pressed with a heated press 90, the hot melt adhesive 30, which has been applied to the film backside, is melted and bonded.

또한, 상기 장식필름조각(10)의 겹쳐진 접합부(50)를 일정온도로 가열된 프레스로 압착하여 접합하는 대신에, 접합부를 초음파 용착하거나, 접합부 사이에 도 10에서 보는 바와 같이 양면테이프(60) 또는 일반 공업용 접착제를 개재하여 접합할 수도 있다.In addition, instead of pressing and bonding the overlapped joints 50 of the decorative film pieces 10 with a press heated to a predetermined temperature, ultrasonic welding is performed on the joints or between the joints, as shown in FIG. Alternatively, it may be bonded through a general industrial adhesive.

또한 상기 장식필름조각 제작단계는 장식필름조각(10)들이 접합된 상태에서 접합부(50) 및 접합부 주변부의 단면이 사각형 또는 사다리꼴인 채널형 홈이 되게 제작되고, 또한 접합부(50)는 홈의 바닥면 또는 측면으로서 양측의 단면이 서로 접하게 제작되고, 상기 장식필름 제작단계는 열용융접착제(30)가 도포된 후면이 밖으로 향하게 장식필름조각(10)들을 엎어두고 안정적으로 접합할 수 있도록 장식필름조각(10)이 안치되는 안치면과 필름을 진공흡착하여 고정할 수 있는 흡착공(100)이 성형된 접합금형(80)에 올려두고, 상기 장식필름조각(10)의 접합부(50)를 바깥 쪽에서 도 11에서 보는 바와 같이 단면테이프(70)로 접합할 수 있다.In addition, the decorative film piece manufacturing step is made so that the cross-section of the bonding portion 50 and the peripheral portion of the bonding portion 50 is a rectangular or trapezoidal channel groove in the state in which the decorative film pieces 10 are bonded, the bonding portion 50 is the bottom of the groove The cross-section of both sides as a side or side is made to be in contact with each other, the decorative film production step is a decorative film piece so that the decorative film pieces 10 can be laid down and stably faced with the rear surface coated with the hot melt adhesive 30 facing out. (10) is placed on the bonding mold (80) in which the settled surface (10) and the adsorption hole (100), which can be fixed by vacuum adsorption, are formed, and the joining portion (50) of the decorative film pieces (10) from the outside. As shown in FIG. 11, the tape can be bonded to the end face tape 70.

본 발명에 있어서, 상기 접합부(50)는 전체를 접할 수도 있으나 적당한 간격으로 일부만 가접합되어도 되는 데, 이는 사출성형시 장식필름조각(10)들이 서로 떨어지지 않고 삽입된 정위치에 안치되어 있기만 하면 주입되는 사출물의 열에 의하여 열용융접착제(30)가 녹으면서 접합부(50)의 나머지 부분도 완전히 접합되기 때문이다.In the present invention, the junction part 50 may be in contact with the whole, but only a part of the joint may be temporarily bonded at an appropriate interval, which is injected only if the decorative film pieces 10 are placed in the inserted position without falling apart from each other during injection molding. This is because the hot melt adhesive 30 is melted by the heat of the injected product, and the remaining part of the bonding portion 50 is also completely bonded.

상기와 같은 본 발명의 장식용 필름층을 갖는 사출성형품은 외관이 우수한 고품질의 사출성형품으로서, 자동차의 내장재나 전자제품의 케이스 등에 사용될 수 있으며, 상기 채널형 홈의 바닥면 또는 측면에 접합부를 구성하는 방법은 접합부가 겉으로 드러나지 않아 외관이 우수할 뿐만 아니라 접합부가 홈에 묻혀 보호되는 장점이 있으며, 접합금형과 프레스 등을 사용하는 접합방법은 자동화가 가능한 장점이 있다.The injection molded article having the decorative film layer of the present invention as described above is a high-quality injection molded article having an excellent appearance, and may be used in a car interior material or a case of an electronic product, and constitutes a joint part on a bottom or side surface of the channel groove. The method has a merit that the joint is not exposed to the outside and the appearance is excellent as well as the junction is protected by being buried in the groove, and the bonding method using the bonding mold and the press has the advantage of being automated.

Claims (6)

합성수지 시트(40)의 전면에 인쇄잉크층(20)을 형성하고, 후면에 열용융접착제(30)를 도포하여 장식필름원판을 제작하는 단계와;Forming a printing ink layer 20 on the front surface of the synthetic resin sheet 40 and applying a hot melt adhesive 30 on the back surface to produce a decorative film disc; 상기 장식필름원판을 히터판으로 가열하고, 가열된 장식필름원판을 음각과 양각중 어느 하나의 형상의 형틀에 넣어 성형하고 불필요한 부분을 제거하여 장식필름조각(10)을 제작하되, 상기 장식필름조각(10)을 두 종류 이상으로 제작하는 단계와;The decorative film disc is heated by a heater plate, the heated decorative film disc is put into a mold of any one of an intaglio and an embossed shape, and the unnecessary part is removed to produce a decorative film piece 10, wherein the decorative film piece Manufacturing at least two kinds of (10); 상기 두 종류 이상의 장식필름조각(10)의 가장자리부위의 접합부(50)를 접합하여 완전한 형태의 장식필름(110)을 제작하는 제작단계와;A fabrication step of fabricating a decorative film 110 in a complete form by bonding the bonding portions 50 of the edges of the two or more decorative film pieces 10; 상기 장식필름(110)을 사출금형에 삽입한 후 사출물을 주입하여 사출성형품(120)을 제작하는 단계를 포함하는 것을 특징으로 하는 장식용 필름층을 갖는 사출성형품의 제작방법.Inserting the decorative film 110 into the injection mold and injecting the injection molding to produce an injection molded article 120, characterized in that the manufacturing method of the injection molded article having a decorative film layer, characterized in that it comprises. 제 1 항에 있어서, The method of claim 1, 상기 장식필름조각(10)을 제작하는 단계는 상기 두 종류 이상의 장식필름조각(10)이 접합된 상태에서 접합부(50) 및 접합부 주변부의 단면이 사각형과 사다리꼴 중 어느 하나인 채널형 홈(130)이 되게 제작되고, 또한 상기 접합부(50)는 상기 채널형 홈(130)의 바닥면과 일측면 중 어느 하나로서 장식필름조각(10)이 일부 겹쳐지는 형태로 제작되는 것을 특징으로 하는 장식용 필름층을 갖는 사출성형품의 제작방법.In the manufacturing of the decorative film pieces 10, the channel type grooves 130 having one of a quadrangle and a trapezoid having a cross section of the bonding part 50 and the peripheral part of the bonding part in a state in which two or more decorative film pieces 10 are bonded to each other. It is made to be, and also the bonding portion 50 is a decorative film layer, characterized in that the decorative film pieces 10 are made in the form of some overlapping as one of the bottom surface and one side of the channel-shaped groove 130. Method of manufacturing an injection molded article having a. 제 2 항에 있어서, The method of claim 2, 상기 장식필름(110) 제작단계는, 열용융접착제(30)가 도포된 후면이 밖으로 향하게 장식필름조각(10)들을 엎어두고, 장식필름조각(10)이 안치되는 안치면과 필름을 진공흡착하여 고정할 수 있는 흡착공(100)이 성형된 접합금형(80)에 올려두고, 상기 장식필름조각(10)의 겹쳐진 접합부(50)를 가열된 프레스(90)로 압착하여 접합하는것을 특징으로 하는 장식용 필름층을 갖는 사출성형품의 제작방법.In the decorative film 110 manufacturing step, the decorative film pieces 10 are placed so that the rear surface to which the heat-melting adhesive 30 is applied is turned outward, and vacuum-adsorbs the settled surface and film on which the decorative film pieces 10 are placed. The fixed adsorption hole 100 is placed on the molded bonding mold 80, and the overlapping joints 50 of the decorative film pieces 10 are pressed and bonded with a heated press 90. Method for producing an injection molded article having a decorative film layer. 삭제delete 삭제delete 삭제delete
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