KR100631804B1 - Method of manufacturing interior materials for vehicles - Google Patents

Method of manufacturing interior materials for vehicles Download PDF

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Publication number
KR100631804B1
KR100631804B1 KR1020030092758A KR20030092758A KR100631804B1 KR 100631804 B1 KR100631804 B1 KR 100631804B1 KR 1020030092758 A KR1020030092758 A KR 1020030092758A KR 20030092758 A KR20030092758 A KR 20030092758A KR 100631804 B1 KR100631804 B1 KR 100631804B1
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South Korea
Prior art keywords
mold
vehicle interior
manufacturing
urethane
skin material
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KR1020030092758A
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Korean (ko)
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KR20050061010A (en
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김하수
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김하수
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

본 발명은 폴리우레탄 폼(Poly-Urethane Foam) 발포시 우레탄 폼과 표피제를 접착제를 사용하지 않고 제품을 제조함으로써 생산성 향상, 수축의 변화를 최소화한 차량용 내장재 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a vehicle interior material which minimizes changes in productivity and productivity by manufacturing a product without using an adhesive for urethane foam and a skin during foaming of a polyurethane foam.

본 발명은 차량용 내장재 성형을 위한 금형을 제작하는 단계(S1); 표피재를 상기 금형에 삽입하는 단계(S2); 충진재를 상기 금형에 투입하는 단계(S3); 우레탄과 경화제를 100 대 10 내지 200의 비율로 혼합하여 우레탄 혼합물을 생성하는 단계(S4); 상기 우레탄 혼합물을 상기 표피재가 삽입되어 있는 상기 금형에 투입하는 단계(S5); 상기 표피재와 상기 우레탄 혼합물을 고착시키는 단계(S6); 고착된 상기 표피재와 상기 우레탄 혼합물을 열프레스로 압력을 가하여 성형하는 단계(S7); 및 차량용 내장재를 금형으로부터 분리하여 완제품을 얻는 단계(S8)로 구성되는 것을 특징으로 하여 차량용 내장재의 변형을 최소화할 수 있을 뿐만 아니라, 패드와 표피재를 접착하기 위하여 별도의 접착제를 사용하지 않음으로써 접착불량에 의한 분리현상을 방지할 수 있을 뿐만 아니라, 차량용 내장재의 생산성을 향상시킬 수 있는 효과가 있다.The present invention is to produce a mold for molding a vehicle interior (S1); Inserting a skin material into the mold (S2); Injecting a filler into the mold (S3); Mixing the urethane and the curing agent in a ratio of 100 to 10 to 200 to produce a urethane mixture (S4); Injecting the urethane mixture into the mold into which the skin material is inserted (S5); Fixing the skin material and the urethane mixture (S6); Molding the adherent skin material and the urethane mixture by pressing with a heat press (S7); And separating the vehicle interior material from the mold to obtain a finished product (S8), which can minimize deformation of the vehicle interior material as well as not using a separate adhesive to bond the pad and the skin material. Not only can it prevent the separation phenomenon due to poor adhesion, there is an effect that can improve the productivity of the vehicle interior.

패드, 표피재, 우레탄, 차량, 내장재Pad, skin, urethane, vehicle, interior

Description

차량용 내장재 제조방법{Method for forming the interior materials of automobile}Method for forming the interior materials of automobile

도 1은 종래에 일반적으로 사용되는 자동차용 내장재 요부 측단면도Figure 1 is a side cross-sectional view of the interior of the interior material for automobiles commonly used in the prior art

도 2는 종래에 자동차 천장에 사용되는 내장재 요부 측단면도Figure 2 is a side cross-sectional view of the main portion of the interior material used in the conventional car ceiling

도 3는 종래에 자동차 도어에 사용되는 내장재 요부 측단면도Figure 3 is a side cross-sectional view of the interior material main portion conventionally used for automobile doors

도 4은 본 발명에 따른 차량용 내장재 제조방법Figure 4 is a vehicle interior manufacturing method according to the invention

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10, 20, 30 : 내장재 10a, 20a, 30a : 연질 패드10, 20, 30: interior material 10a, 20a, 30a: soft pad

10b, 20b, 30b : 표피재 30c : 기재10b, 20b, 30b: skin material 30c: base material

본 발명은 자동차 천장이나 도어의 내측면 또는 뒷좌석 후면의 선반 등에 사용되고 있는 차량용 내장재 제조방법에 관한 것으로, 더욱 상세히는 폴리우레탄 폼(Poly-Urethane Foam) 발포시 우레탄 폼과 표피제를 접착제를 사용하지 않고 제품을 제조함으로써 생산성 향상, 수축의 변화를 최소화한 차량용 내장재 제조방법에 관한 것이다. The present invention relates to a vehicle interior manufacturing method that is used in the interior of the car ceiling or the door or the rear of the rear seats, more specifically, polyurethane foam (poly-urethane foam) when foaming does not use an adhesive for the polyurethane foam and skin. The present invention relates to a method for manufacturing a vehicle interior material which minimizes changes in productivity and shrinkage by manufacturing a product.                         

일반적으로 자동차의 실내 여러 부위에는 내장재가 설치되어 차음, 흡음 및 외관을 더욱 미려하게 하고 있는데, 이러한 내장재는 자동차 실내의 천장이나 도어의 내측면, 뒷좌석의 선반 등에 사용되며, 그 구조는 동상 패드의 이면에 표피재를 접합하여 구성하고 있다.In general, interior parts are installed in various parts of a car to make sound insulation, sound absorption, and appearance more beautiful. Such interior materials are used in the interior of a car interior, the inside of a door, the rear seat shelf, and the like. A skin material is bonded to the back surface to form a structure.

즉, 제1도는 일반적으로 자동차 실내에 사용되는 내장재를 보인 요부 측단면도로서, 이에 도시한 바와 같이 내장재(10)는 연질의 패드(10a)의 이면에 역시 연질의 표피재(10b)를 접합하여 구성되는데, 상기 패드(10a)는 보통 우레탄 폼, 발포 폴리에틸렌폼 등이 사용되며, 표피재(10b)로는 염화비닐레저, 염화비닐필름, 퍼블릭, 부직포 등이 사용되고 있다.That is, FIG. 1 is a side cross-sectional view of a main part showing an interior material generally used in a car interior, and as shown therein, the interior material 10 also bonds a soft skin material 10b to the back surface of the soft pad 10a. The pad 10a is usually made of urethane foam, foamed polyethylene foam, and the like, and as the skin material 10b, vinyl chloride leisure, vinyl chloride film, public, nonwoven fabric, and the like are used.

그리고 제2도는 자동차의 천장에 사용되는 내장재를 도시한 요부 측단면도로서, 이에 도시한 바와 같이 자동차의 천장을 구성하는 내장재(20)는 통상 표피재(20b)와 그 이면에 패드(20a)가 설치되고 그 이면에는 강성, 강도를 위해 성형팰트나 성형하드보드, 유리섬유, 우레탄, 골판지 플라스틱, 성형골판지, 폴리스틸렌 등이 사용되는데, 여기서는 내장재(20)의 강도 유지를 위하여 골판지(20c)의 내부에 은박지(20d)를 삽입 성형하여 구성한 것을 도시하였다.2 is a side cross-sectional view showing main parts used for the ceiling of a car, and as shown in the drawing, the interior material 20 constituting the ceiling of the car generally includes a skin 20b and pads 20a on the back surface thereof. It is installed on the back side of the molded pallet or molded hard board, glass fiber, urethane, corrugated plastic, molded corrugated cardboard, polystyrene, etc. is used here for maintaining the strength of the interior material 20, the interior of the corrugated cardboard 20c The figure which comprised the foil paper 20d by insert molding was shown.

또한 제3도는 도어의 내측면에 사용되는 내장재의 요부 측단면도로서, 표피재(30b)와 패드(30a), 그리고 강성 및 강도 유지 위한 기재(30c)를 사용하고 있는데, 이러한 기재(30c))에는 값이 싸고 가공하기가 쉬운 하드보드가 주로 사용되고 있다. 그런데 상기와 같이 자동차의 내부를 구성하고 있는 내장재에 있어서, 종래에는 다음과 같은 문제점이 있었다. 3 is a side cross-sectional view of the main portion of the interior material used for the inner side of the door, which uses the skin material 30b and the pad 30a, and a base material 30c for maintaining rigidity and strength, which is the base material 30c). Inexpensive and easy to process hard boards are mainly used. By the way, in the interior material constituting the interior of the vehicle as described above, there have been the following problems conventionally.                         

즉, 제1도에 도시한 일반적인 내장재(10)는 소재의 유연성으로 인하여 성형성이 나쁘고 성형 후, 수축 현상으로 인한 후변형이 발생하게 되는 문제점이 있었고, 제2도에 도시한 천장에 사용된 내장재(20)는 수축 현상은 적은 반면, 강도가 지속적으로 유지되지 못하므로 성형성이 나쁘고 후변형이 많이 발생하는 문제점이 있었다. 그리고 제3도에 도시한 도어 내측면에 사용되는 내장재(30)는 강도 유지는 양호하여 성형성은 좋으나, 성형 후 수축 현상에 따른 후변형이 많이 발생하게 되는 문제점이 있었다.That is, the general interior material 10 shown in FIG. 1 has a problem in that moldability is poor due to the flexibility of the material, and after molding, post-deformation due to shrinkage occurs, which is used in the ceiling shown in FIG. Interior material 20 has a problem in that the shrinkage phenomenon is small, but the strength is not continuously maintained, the moldability is bad and a lot of post deformation occurs. And the interior material 30 used for the inner surface of the door shown in Figure 3 has good strength retention and good moldability, but there was a problem that a lot of post-deformation caused by the shrinkage phenomenon after molding.

또한, 제1도 내지 제3도에 기재된 종래의 기술들은 표피재와 패드를 접착제를 사용하고 접착하고 있어서, 그 공정이 복잡하다는 문제점을 가지고 있다.In addition, the conventional techniques described in FIGS. 1 to 3 have a problem that the process is complicated because the skin and the pad are adhered with an adhesive.

본 발명의 차량용 내장재 제조방법은 상기와 같은 문제점을 해소하기 위한 것으로, 변형성이 나쁜 연질의 패드를 사용하지 않고 경질 또는 반경질 재료를 사용하여 우레탄 폼 발포시 우레탄 폼과 표피재를 접착제를 사용하지 않는 차량용 내장재 제조방법을 제공하고자 함에 그 목적이 있다.The method of manufacturing the interior material for a vehicle of the present invention is to solve the above problems, and does not use adhesives for urethane foams and skin materials when urethane foams are foamed using hard or semi-hard materials without using soft pads having poor deformability. The purpose is to provide a method for manufacturing a vehicle interior material.

상기 목적을 달성하기 위한 본 발명의 차량용 내장재 제조방법은 차량용 내장재 제조방법에 있어서, 차량용 내장재 성형을 위한 금형을 제작하는 단계(S1); 표피재를 상기 금형에 삽입하는 단계(S2); 충진재를 상기 금형에 투입하는 단계(S3); 우레탄과 경화제를 100 대 10 내지 200의 비율로 혼합하여 우레탄 혼합물을 생성하는 단계(S4); 상기 우레탄 혼합물을 상기 표피재가 삽입되어 있는 상기 금형에 투입하는 단계(S5); 상기 표피재와 상기 우레탄 혼합물을 고착시키는 단계(S6); 고착된 상기 표피재와 상기 우레탄 혼합물을 열프레스로 압력을 가하여 성형하는 단계(S7); 및 차량용 내장재를 금형으로부터 분리하여 완제품을 얻는 단계(S8)로 구성되는 것을 특징으로 한다.In accordance with one aspect of the present invention, a method for manufacturing a vehicle interior material includes: manufacturing a mold for molding a vehicle interior material (S1); Inserting a skin material into the mold (S2); Injecting a filler into the mold (S3); Mixing the urethane and the curing agent in a ratio of 100 to 10 to 200 to produce a urethane mixture (S4); Injecting the urethane mixture into the mold into which the skin material is inserted (S5); Fixing the skin material and the urethane mixture (S6); Molding the adherent skin material and the urethane mixture by pressing with a heat press (S7); And separating the vehicle interior from the mold to obtain a finished product (S8).

도 4는 본 발명에 따른 차량용 내장재 제작방법에 대한 공정을 나타낸 것으로 도면을 참조하여 본 발명을 설명한다.Figure 4 illustrates the process for manufacturing a vehicle interior material according to the present invention with reference to the drawings will be described the present invention.

본 발명의 차량용 내장재를 제조하기 위해서는 차량용 내장재 성형을 위한 금형을 제작하고, 염화비닐 레저, 염화비닐 필름, 부직포 등의 표피재를 금형에 삽입한다.In order to manufacture the vehicle interior material of the present invention, a mold for molding a vehicle interior material is manufactured, and skin materials such as vinyl chloride leisure, vinyl chloride film, and nonwoven fabric are inserted into the mold.

이렇게 표피재가 삽입된 금형에 우레탄 및 경화제를 100 대 10 내지 200의 비율로 혼합하여 우레탄 혼합물을 생성하여 금형에 투입한다. 또한 우레탄 혼합물 투입전에 금형내에 파열강도 등을 보강하기 위한 충진재로서 유리 솜(글라스 울: Glass Wool), 폴리프로필렌 포대(Polypropylene Bag: PP BAG), 종이, 재활용 또는 재이용 물질을 추가로 투입하고 이에 우레탄 혼합물을 투입할 수도 있다.Thus, the urethane and the curing agent are mixed in a mold having a skin material inserted at a ratio of 100 to 10 to 200 to generate a urethane mixture and put into the mold. In addition, glass wool (Poly Wool), polypropylene bag (PP BAG), paper, recycled or recycled materials are additionally added as a filler to reinforce the burst strength in the mold before the urethane mixture is added. The mixture can also be added.

금형에 투입된 우레탄 혼합물을 표피재와 고착시켜 완제품을 얻을 수 있으며, 경우에 따라서는 고착된 제품을 40℃ 내지 280℃로 열프레스 성형함으로써 원하는 모양의 완제품을 얻도록 할 수 있다. 또한 열프레스 전에 히터로서 30℃ 내지 300℃로 적정온도로 예열한 후 상기와 같이 열프레스 성형을 하는 것도 가능하다.The urethane mixture introduced into the mold may be fixed to the skin material to obtain a finished product, and in some cases, the finished product may be obtained by hot pressing the fixed product at 40 ° C. to 280 ° C. to obtain a finished product having a desired shape. In addition, it is also possible to preheat the temperature at a suitable temperature of 30 ℃ to 300 ℃ as a heater before the hot press, and to perform the hot press molding as described above.

이상 설명한 것과 같이 본 발명에 의하여 제작되는 차량용 내장재는 연질의 재료를 사용하지 않고 경질 및 반경질로 사용하며 파열강도 등을 보강하기 위하여 충진재를 투입함으로써 차량용 내장재의 변형을 최소화 할 수 있다.As described above, the vehicle interior material manufactured by the present invention may be used as a hard and semi-hard material without using a soft material, and the deformation of the vehicle interior material may be minimized by adding a filler to reinforce the rupture strength.

또한, 패드와 표피재를 접착하기 위하여 별도의 접착제를 사용하지 않음으로써 접착불량에 의한 분리현상을 방지할 수 있을 뿐만 아니라, 차량용 내장재의 생산성을 향상시킬 수 있는 효과가 있다.In addition, by not using a separate adhesive for bonding the pad and the skin material, it is possible to prevent the separation phenomenon due to poor adhesion, as well as to improve the productivity of the vehicle interior.

Claims (6)

차량용 내장재 제조방법에 있어서,In the vehicle interior manufacturing method, 차량용 내장재 성형을 위한 금형을 제작하는 단계(S1);Manufacturing a mold for molding a vehicle interior (S1); 표피재를 상기 금형에 삽입하는 단계(S2);Inserting a skin material into the mold (S2); 충진재를 상기 금형에 투입하는 단계(S3);Injecting a filler into the mold (S3); 우레탄과 경화제를 100 대 10 내지 200의 비율로 혼합하여 우레탄 혼합물을 생성하는 단계(S4);Mixing the urethane and the curing agent in a ratio of 100 to 10 to 200 to produce a urethane mixture (S4); 상기 우레탄 혼합물을 상기 표피재가 삽입되어 있는 상기 금형에 투입하는 단계(S5);Injecting the urethane mixture into the mold into which the skin material is inserted (S5); 상기 표피재와 상기 우레탄 혼합물을 고착시키는 단계(S6); Fixing the skin material and the urethane mixture (S6); 고착된 상기 표피재와 상기 우레탄 혼합물을 열프레스로 압력을 가하여 성형하는 단계(S7); 및Molding the adherent skin material and the urethane mixture by pressing with a heat press (S7); And 차량용 내장재를 금형으로부터 분리하여 완제품을 얻는 단계(S8)Separating the vehicle interior from the mold to obtain a finished product (S8) 를 포함하는 것을 특징으로 하는 차량용 내장재 제조방법.Vehicle interior manufacturing method comprising a. 제 1 항에 있어서,The method of claim 1, 상기 열프레스로 압력을 가하여 성형할 때 온도는 40℃ 내지 280℃인 차량용 내장재 제조방법.The temperature is 40 ℃ to 280 ℃ manufacturing method for a vehicle interior when molding by applying pressure with the hot press. 제 2 항에 있어서,The method of claim 2, 상기 표피재와 상기 우레탄 혼합물을 고착시키는 단계(S6)와 상기 열 프레스 성형하는 단계(S7)사이에 금형을 30℃ 내지 300℃로 가열하는 단계(S61)를 더 포함하는 것을 특징으로 하는 차량용 내장재 제조방법.The interior of the vehicle further comprises the step (S61) of heating the mold to 30 ℃ to 300 ℃ between the step of fixing the skin material and the urethane mixture (S6) and the heat press molding (S7). Manufacturing method. 제 3 항에 있어서,The method of claim 3, wherein 상기 충진재는 유리 솜, 폴리프로필렌 포대 및 종이 중 적어도 어느 하나 이상인 차량용 내장재 제조방법.The filler is a vehicle interior material manufacturing method of at least one of glass wool, polypropylene bag and paper. 제 3 항에 있어서,The method of claim 3, wherein 상기 금형은 시트(Sheet) 금형인 것을 특징으로 하는 차량용 내장재 제조방법.The mold is a vehicle interior manufacturing method, characterized in that the sheet (Sheet) mold. 제 1 항에 있어서,The method of claim 1, 상기 표피재는 염화비닐 레저, 염화비닐 필름 및 부직포 중 어느 하나인 것을 특징으로 하는 차량용 내장제 제조방법.Wherein the skin material is a vinyl chloride leisure, vinyl chloride film and non-woven fabric, characterized in that the vehicle interior manufacturing method.
KR1020030092758A 2003-12-17 2003-12-17 Method of manufacturing interior materials for vehicles KR100631804B1 (en)

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Publication number Priority date Publication date Assignee Title
KR101252703B1 (en) 2011-04-26 2013-04-09 (주)생활낙원 Forming mat and method for manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101252703B1 (en) 2011-04-26 2013-04-09 (주)생활낙원 Forming mat and method for manufacturing the same

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