KR20200045188A - heating trim of interior materialand for vehicle and method of making the same - Google Patents

heating trim of interior materialand for vehicle and method of making the same Download PDF

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Publication number
KR20200045188A
KR20200045188A KR1020180125910A KR20180125910A KR20200045188A KR 20200045188 A KR20200045188 A KR 20200045188A KR 1020180125910 A KR1020180125910 A KR 1020180125910A KR 20180125910 A KR20180125910 A KR 20180125910A KR 20200045188 A KR20200045188 A KR 20200045188A
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KR
South Korea
Prior art keywords
heating element
trim
primary
foam layer
heating
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KR1020180125910A
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Korean (ko)
Inventor
이승준
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주식회사 서연이화
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Priority to KR1020180125910A priority Critical patent/KR20200045188A/en
Publication of KR20200045188A publication Critical patent/KR20200045188A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars

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

Abstract

The present invention relates to heating trim of a vehicle interior material, wherein the outer appearance of the heating element is softened and beautified by an external flattening operation even after a skin is adhered by integrally molding a heating thread and a primary foam layer for every heating thread; and to a manufacturing method thereof.

Description

차량용 내장재의 발열체 트림 및 그 제조방법{heating trim of interior materialand for vehicle and method of making the same}Heater trim of interior material and for vehicle and method of making the same}

본 발명은 발열사와 발열사마다 1차 발포층이 일체 성형되어 스킨이 접착된 후에도 외관 평탄화 작업으로 매끄러워 발열체의 외관 성능을 미려화시킨 차량용 내장재의 발열체 트림 및 그 제조방법에 관한 것이다. The present invention relates to a heating element trim of a vehicle interior material and a method for manufacturing the same, wherein the primary foam layer is integrally molded for each heating element and the heating element, and the skin is adhered to smooth the exterior flattening operation to enhance the exterior performance of the heating element.

종래 차량용 내장재의 발열체 트림은 도 1 및 도 2에 도시한 바와 같이 망사 직조인 천(1)에 발열사(2)를 소잉한 발열체(3)의 하면과 트림용 사출물(4)의 상면 사이에 미리 발포한 발포층(5)과 본드 접착한 발열체 트림부(6)를 형성한 후, 발열체(3)의 상면에 스킨(7)을 본드 접착하여 발열체 트림(8)를 완성한다. The heating element trim of the conventional vehicle interior material is between the lower surface of the heating element 3 sawing the heating yarn 2 in the mesh fabric woven cloth 1 and the upper surface of the trim injection material 4 as shown in FIGS. 1 and 2. After forming the pre-expanded foam layer 5 and the bond heating element trim portion 6, the skin 7 is bonded to the upper surface of the heating element 3 by bonding to complete the heating element trim 8.

이러한 종래의 발열체는 도 2에 도시한 바와 같이 스킨(7)이 발열사(2)를 따라 접착되기 때문에 외관이 발열사(2)의 굴곡 그대로 나타나거나 울퉁불퉁해서 손으로 만져지는 등의 문제가 있다.(전기장판 등과 같이 열선이 나타나거나 만져지는 구조)As shown in FIG. 2, such a conventional heating element has a problem in that the skin 7 is adhered along the heating yarn 2, so that the external appearance of the heating yarn 2 remains uneven or uneven and touched by hand. . (A structure where a heating wire appears or is touched, such as an electric floor)

한국공개특허 제10-2016-0070242호Korean Patent Publication No. 10-2016-0070242

본 발명은 전술한 문제를 해결하기 위하여 안출된 것으로, 발열사와 발열사마다 1차 발포층이 형성되어 스킨이 접착된 후에도 매끄러워 발열체의 외관 성능을 미려화시킨 차량용 내장재의 발열체 트림 및 그 제조방법을 제공하는 것이다. The present invention was devised to solve the above-mentioned problems, and a primary foam layer is formed for each heating element and heating element, so that even after the skin is adhered, the heating element trim of the vehicle interior material and the method for manufacturing the heating element trim of the vehicle interior material are beautiful. Is to provide

전술한 목적을 달성하기 위하여, 본 발명의 청구항 1에 기재된 차량용 내장재의 발열체 트림은, 발열체 트림부와, 상기 발열체 트림부의 상면에 접착되는 스킨층으로 이루어지되, 상기 발열체 트림부는, 망사 직조된 천 위에 배치된 발열사를 소잉한 발열체와, 상기 발열사 사이마다 발포 형성된 1차 발포층과, 트림용 사출물과, 상기 1차 발포층과 상기 트림용 사출물 사이에 발포되어 일체 성형된 2차 발포층으로 이루어지며, 상기 스킨층은 상기 1차 발포층과 상기 발열사의 상면에 접착되어 있다. In order to achieve the above object, the heating element trim of the vehicle interior material according to claim 1 of the present invention is composed of a heating element trim portion and a skin layer adhered to an upper surface of the heating element trim portion, wherein the heating element trim portion is a mesh woven cloth. A second foam layer formed by foaming between the heating element, the primary foam layer formed between each of the heating elements, the trim injection material, and the primary foam layer and the trim injection material, which are foamed between the heating elements disposed thereon. It is made of, the skin layer is bonded to the upper surface of the primary foam layer and the heating element.

본 발명의 청구항 2에 기재된 차량용 내장재의 발열체 트림 제조방법은, 망사 직조된 천 위에 배치된 발열사를 소잉한 발열체를 준비하는 단계; 상기 발열체를 1차용 하형의 인서트홈에 인서트하고 1차용 상형과 형합시키는 단계; 상기 1차 상형을 통해 1차 발포액을 주입시켜 상기 발열사 사이마다 1차 발포층을 형성시켜 외관 평탄화 작업을 하는 단계; 트림용 사출물을 인서트 홈에 인서트 시킨 2차용 하형과 외관 평탄화 작업을 한 발열체를 고정한 2차용 금형을 준비하는 단계; 상기 2차용 하형과 상형을 형합시키면 상기 트림용 사출물과 발열체 사이에 형성된 금형 캐비티로 2차 발포액을 주입시켜 2차 발포층을 일체 성형시킨 발열체 트림부를 성형하는 단계; 취출된 상기 발열체 트림부의 상면에 스킨을 접착시켜 발열체 트림을 완성하는 단계;를 포함한다. A method for manufacturing a heating element trim of a vehicle interior material according to claim 2 of the present invention includes: preparing a heating element sawing a heating element disposed on a mesh woven fabric; Inserting the heating element into an insert groove of a lower mold for primary use and molding the primary upper mold; Forming a primary foam layer between the heating yarns by injecting a primary foaming solution through the primary mold to perform an external planarization operation; Preparing a secondary mold having a secondary lower mold in which an injection material for trim is inserted into an insert groove and a heating element subjected to an external planarization operation are fixed; Forming a heating element trim part in which a secondary foam layer is integrally molded by injecting a secondary foam liquid into a mold cavity formed between the trim injection material and the heating element when the secondary lower mold and the upper mold are molded; And completing the heating element trim by bonding the skin to the upper surface of the taken-out heating element trim portion.

본 발명에 따르면 다음과 같은 효과가 있다. According to the present invention has the following effects.

발열사마다 1차 발포층이 형성됨으로써, 발열사 간의 접촉을 차단하면서도 제품 외관 평탄화로 외관 이물감을 없애주는 역할을 한다. Since a primary foam layer is formed for each heat generating yarn, it blocks the contact between the heating yarns, and serves to remove the foreign body feeling by flattening the product appearance.

또한, 1차 발포층으로 외관 평탄화한 발열체로 인해 상형 고정이 가능하여, 트림용 사출물을 하형에 인서트한 채 그 사이로 2차 발포층을 일체 성형시키기 때문에 별도의 접착 공정 없이 신속 견고하게 발열체 트림부를 완성한다. In addition, the upper foam can be fixed by the heating element flattened by the primary foam layer, and since the secondary foam layer is integrally molded with the trim injection material inserted therein into the lower mold, the heating element trim part can be quickly and firmly attached without a separate bonding process. Complete.

도 1은 직조망사 위에 발열사를 소잉한 발열체의 평면도.
도 2는 도 1을 이용한 종래 차량용 내장재의 발열체 트림 제조방법을 도시한 구성도.
도 3은 본 발명의 바람직한 실시예에 따른 차량용 내장재의 발열체 트림 제조방법을 도시한 구성도.
도 4는 도 3(f)의 단면 확대도. 1 is a plan view of a heating element sawing a heating yarn on a woven mesh.
Figure 2 is a block diagram showing a method for manufacturing a heating element trim of a conventional vehicle interior material using Figure 1;
3 is a block diagram showing a method for manufacturing a heating element trim of a vehicle interior material according to a preferred embodiment of the present invention.
4 is an enlarged cross-sectional view of FIG. 3 (f).

이하에서는 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하되, 종래의 것과 동일한 부분에 대해서는 종래의 부호를 부여하고 상세한 설명은 생략한다. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, but the same reference numerals are given to the same parts as those of the prior art, and detailed descriptions thereof will be omitted.

도 3은 본 발명의 바람직한 실시예에 따른 차량용 내장재의 발열체 트림 제조방법을 도시한 구성도이고, 도 4는 도 3(f)의 단면 확대도이다. 3 is a block diagram showing a method for manufacturing a heating element trim of a vehicle interior material according to a preferred embodiment of the present invention, and FIG. 4 is an enlarged cross-sectional view of FIG. 3 (f).

도 3 및 도 4를 참조하면, 본 발명의 실시예에 따른 차량용 내장재의 발열체 트림(80)은 외관 평탄화 작업이 이루어진 발열체 트림부(60)와, 발열체 트림부(60)의 상면에 접착되는 스킨층(70)을 포함한다. 3 and 4, the heating element trim 80 of the vehicle interior material according to the embodiment of the present invention is a skin that is adhered to the upper surface of the heating element trim part 60 and the heating element trim part 60 in which the exterior is flattened. Layer 70.

발열체 트림부(80)는 도 1 및 도 4에 도시한 바와 같이, 망사 직조된 천(1) 위에 배치된 발열사(2)를 소잉한 발열체(3)와, 발열사(2) 사이마다 충전 발포 형성된 1차 발포층(10)과, 트림용 사출물(40)과, 1차 발포층(10)과 트림용 사출물(40) 사이에 발포되어 연결시키는 2차 발포층(50)을 포함한다. 1 and 4, the heating element trim part 80 is charged between the heating element 3 sawing the heating element 2 disposed on the mesh woven fabric 1 and the heating element 2 It includes a foamed primary foam layer 10, a trim injection material 40, and a secondary foam layer 50 that is foamed and connected between the primary foam layer 10 and the trim injection material 40.

즉, 1차 발포층(10)의 상면과 발열사(2)의 상면이 거의 같은 위치에 있게 해서 외관 평탄화 작업을 행한다. That is, the top surface of the primary foam layer 10 and the top surface of the heat-generating yarn 2 are placed in substantially the same position, thereby performing an external planarization operation.

스킨층(70)은 1차 발포층(10)과 발열사(2)의 상면에 접착되는 표피재이다. The skin layer 70 is a skin material that is adhered to the upper surfaces of the primary foam layer 10 and the heating yarn 2.

이러한 차량용 내장재의 발열체 트림(80)의 제조방법을 도 3을 참조하여 설명한다. A method of manufacturing the heating element trim 80 of the vehicle interior material will be described with reference to FIG. 3.

먼저, 도 3(a)과 같이 망사 직조된 천 위(1)에 배치된 발열사(2)를 소잉한 발열체(3)를 준비한다. First, as shown in Figure 3 (a), a heating element 3 is prepared by sawing the heating yarn 2 disposed on the mesh woven fabric 1.

도 3(a)의 발열체(3)는 도 3(b)과 같이 1차용 하형(a)의 인서트홈에 인서트하고 1차용 상형(b)과 형합시킨다. 형합된 상태에서는 상기 인서트홈 이외에는 캐비티가 형성되지 않는다. The heating element 3 of FIG. 3 (a) is inserted into the insert groove of the primary lower mold (a) as shown in FIG. 3 (b) and is molded with the primary upper mold (b). In the molded state, a cavity is not formed other than the insert groove.

도 3(b)과 같이 준비되면, 1차 상형(b)을 통해 1차 발포액을 주입시켜 발열사(2) 사이마다 1차 발포층(10)을 형성시켜 도 3(c)과 같이 외관 평탄화 작업을 한 발열체(30)를 성형한다. When prepared as shown in FIG. 3 (b), the primary foam is injected through the primary upper mold (b) to form the primary foam layer 10 between the heat generating yarns 2, and the appearance as shown in FIG. 3 (c). The heating element 30 subjected to the flattening operation is molded.

그 다음, 도 3(d)과 같이 미리 성형한 트림용 사출물(40)은 2차용 하형(A)의 인서트 홈에 인서트 시키고, 발열체(30)는 2차용 상형(B)의 하면에 고정시킨 채 합형을 한다. Then, as shown in FIG. 3 (d), the injection mold for pre-form 40 is inserted into the insert groove of the secondary lower mold A, and the heating element 30 is fixed to the lower surface of the secondary upper mold B. I have a union.

이때, 2차 하형(A)의 인서트 홈에는 금형 캐비티(C)가 형성되어 있다. At this time, the mold cavity C is formed in the insert groove of the secondary lower mold A.

도 3(d)과 같이 2차용 하형(A)과 상형(B)을 형합시킨 금형 캐비티(C)로 2차 발포액을 주입시켜 2차 발포층(50)을 형성시켜 도 3(e)과 같이 취출한 발열체 트림부(60)를 성형한다. As shown in FIG. 3 (d), a secondary foaming liquid is injected into a mold cavity (C) in which the lower mold (A) and the upper mold (B) are molded to form a secondary foam layer 50 to form FIG. 3 (e). The heat generating trim portion 60 taken together is molded.

도 3(e)과 같이 취출된 발열체 트림부(60)의 상면에 스킨(70)을 접착시켜 도 3(f)와 같이 발열체 트림(80)을 완성한다. 3 (e), the heating element trim 80 is completed as shown in FIG. 3 (f) by adhering the skin 70 to the upper surface of the heating element trim portion 60 taken out.

본 발명의 개념에 따른 실시 예들은 다양한 변경들을 가할 수 있고 여러 가지 형태들을 가질 수 있으므로 실시 예들을 도면에 예시하고 본 명세서에서 상세히 설명하고자 하지만, 이는 본 발명의 개념에 따른 실시 예들을 특정한 개시 형태들에 대해 한정하려는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변경, 균등물, 또는 대체물을 포함한다. Embodiments according to the concept of the present invention can be applied to various changes and can have various forms, so the embodiments will be illustrated in the drawings and described in detail herein, however, the embodiments according to the concept of the present invention have specific disclosure forms. It is not intended to be limited to, but includes all modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

1 : 천 2 : 발열사
3 : 발열체 10 : 1차 발포층
40 : 트림용 사출물 50 : 2차 발포층
60 : 발열체 트림부 70 : 스킨층
80 : 발열체1: cloth 2: fever
3: heating element 10: primary foam layer
40: trim injection material 50: secondary foam layer
60: heating element trim portion 70: skin layer
80: heating element

Claims (2)

발열체 트림부와, 상기 발열체 트림부의 상면에 접착되는 스킨층으로 이루어지되,
상기 발열체 트림부는, 망사 직조된 천 위에 배치된 발열사를 소잉한 발열체와, 상기 발열사 사이마다 발포 형성된 1차 발포층과, 트림용 사출물과, 상기 1차 발포층과 상기 트림용 사출물 사이에 발포되어 일체 성형된 2차 발포층으로 이루어지며,
상기 스킨층은 상기 1차 발포층과 상기 발열사의 상면에 접착되는 차량용 내장재의 발열체 트림.
It consists of a heating element trim portion and a skin layer adhered to an upper surface of the heating element trim portion,
The heating element trim part is provided between the heating element sawing the heating element disposed on the mesh woven fabric, the primary foam layer foamed between the heating elements, the trim injection material, and the primary foam layer and the trim injection material. It consists of a secondary foam layer that is foamed and integrally molded.
The skin layer is a heating element trim of a vehicle interior material that is adhered to the upper surface of the primary foam layer and the heating element.
망사 직조된 천 위에 배치된 발열사를 소잉한 발열체를 준비하는 단계;
상기 발열체를 1차용 하형의 인서트홈에 인서트하고 1차용 상형과 형합시키는 단계;
상기 1차 상형을 통해 1차 발포액을 주입시켜 상기 발열사 사이마다 1차 발포층을 형성시켜 외관 평탄화 작업을 하는 단계;
트림용 사출물을 인서트 홈에 인서트 시킨 2차용 하형과 외관 평탄화 작업을 한 발열체를 고정한 2차용 금형을 준비하는 단계;
상기 2차용 하형과 상형을 형합시키면 상기 트림용 사출물과 발열체 사이에 형성된 금형 캐비티로 2차 발포액을 주입시켜 2차 발포층을 일체 성형시킨 발열체 트림부를 성형하는 단계;
취출된 상기 발열체 트림부의 상면에 스킨을 접착시켜 발열체 트림을 완성하는 단계;를 포함하는 차량용 내장재의 발열체 트림 제조방법.
Preparing a heating element sawing the heating element disposed on the mesh woven fabric;
Inserting the heating element into an insert groove of a lower mold for primary use and molding the primary upper mold;
Forming a primary foam layer between the heating yarns by injecting a primary foaming solution through the primary mold to perform an external planarization operation;
Preparing a secondary mold having a secondary lower mold in which an injection material for trim is inserted into an insert groove and a heating element subjected to an external planarization operation are fixed;
Forming a heating element trim part in which a secondary foam layer is integrally molded by injecting a secondary foam liquid into a mold cavity formed between the trim injection material and the heating element when the lower mold and the upper mold are combined;
A method of manufacturing a heating element trim of a vehicle interior, comprising: attaching a skin to an upper surface of the taken-out heating element trim portion to complete the heating element trim.
KR1020180125910A 2018-10-22 2018-10-22 heating trim of interior materialand for vehicle and method of making the same KR20200045188A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102349490B1 (en) * 2020-10-27 2022-01-12 주식회사 서연이화 Heating interior panel for vehicle and method for manufacturing the same
KR102360723B1 (en) * 2020-10-27 2022-02-15 주식회사 서연이화 Heating interior panel for vehicle and method for manufacturing the same
KR102360710B1 (en) * 2020-10-27 2022-02-15 주식회사 서연이화 Heating interior panel for vehicle and method for manufacturing the same

Citations (1)

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Publication number Priority date Publication date Assignee Title
KR20160070242A (en) 2014-12-09 2016-06-20 (주)엘지하우시스 Exothermal interior material for automobile

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
KR20160070242A (en) 2014-12-09 2016-06-20 (주)엘지하우시스 Exothermal interior material for automobile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102349490B1 (en) * 2020-10-27 2022-01-12 주식회사 서연이화 Heating interior panel for vehicle and method for manufacturing the same
KR102360723B1 (en) * 2020-10-27 2022-02-15 주식회사 서연이화 Heating interior panel for vehicle and method for manufacturing the same
KR102360710B1 (en) * 2020-10-27 2022-02-15 주식회사 서연이화 Heating interior panel for vehicle and method for manufacturing the same

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