KR101270984B1 - Outline structure of sound absorbing materials of automobile and wooden pattern of press for forming outline of the sound absorbing materials - Google Patents

Outline structure of sound absorbing materials of automobile and wooden pattern of press for forming outline of the sound absorbing materials Download PDF

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KR101270984B1
KR101270984B1 KR1020120124265A KR20120124265A KR101270984B1 KR 101270984 B1 KR101270984 B1 KR 101270984B1 KR 1020120124265 A KR1020120124265 A KR 1020120124265A KR 20120124265 A KR20120124265 A KR 20120124265A KR 101270984 B1 KR101270984 B1 KR 101270984B1
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sound absorbing
line
molding
cutter
absorbing material
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KR1020120124265A
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Korean (ko)
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홍기학
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(주)태영기계공업
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Priority to PCT/KR2013/007342 priority patent/WO2014069768A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08Insulating elements, e.g. for sound insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: An outline structure of a sound absorbing material for vehicles and a molding method thereof are provided to mold a first welding line and a second welding line of a broken line as a broken line shape such like a sewing line and to correctly weld an outline of a product without a separate sewing process. CONSTITUTION: A press wooden pattern for molding an outline structure of a sound absorbing material for vehicle comprises a wood panel, a cutter in a strip shape, first and second molding cutters, and a cushion member. The first and second molding cutters are arranged in parallel with the cutter in an identical shape of the cutter inside the cutter. A molding blade and a recessed unit are alternately arranged to the first and second molding cutters. The cushion member is adhered to the lower surface of the wood panel in which the first and second molding cutters are mounted.

Description

자동차용 흡음재의 외곽라인 구조 및 자동차용 흡음재의 외곽라인 성형을 위한 프레스 목형{OUTLINE STRUCTURE OF SOUND ABSORBING MATERIALS OF AUTOMOBILE AND WOODEN PATTERN OF PRESS FOR FORMING OUTLINE OF THE SOUND ABSORBING MATERIALS} OUTLINE STRUCTURE OF SOUND ABSORBING MATERIALS OF AUTOMOBILE AND WOODEN PATTERN OF PRESS FOR FORMING OUTLINE OF THE SOUND ABSORBING MATERIALS}

본 발명은 자동차용 흡음재의 외곽라인 구조와 이와 같은 자동차용 흡음재의 외곽라인을 성형하는 방법에 관한 것으로서, 보다 상세하게는 프레스 성형에 의해 성형 제품의 외곽 형상을 결정하는 절단라인의 안쪽에 절단라인과 평행하게 제 1 및 제 2 파선 접합라인이 형성됨으로써, 제 1 및 제 2 파선 접합라인에서 섬유웹의 특성에 의해 2장의 보호시트가 접합되는 자동차용 흡음재의 외곽라인구조 및 이를 성형하기 위한 프레스 목형을 제공하는 것이다.
The present invention relates to an outer line structure of a sound absorbing material for automobiles and a method for forming the outer line of such sound absorbing materials for automobiles, and more particularly, a cutting line inside a cutting line for determining an outer shape of a molded product by press molding. The first line and the second broken line joining line are formed in parallel to the outer line structure of the sound absorbing material for automobiles in which two protective sheets are joined by the characteristics of the fibrous web in the first and second broken line joining lines, and a press for forming the same. To provide a wooden die.

대한민국 특허공개 제10-2011-0122566호(2011년 11월 10일, 공개)에 "멜트블로운 섬유웹의 제조방법 및 그 제조장치'가 소개되어 있다.Republic of Korea Patent Publication No. 10-2011-0122566 (published on November 10, 2011) is a "method of manufacturing a meltblown fiber web and its manufacturing apparatus" is introduced.

상기 멜트블로운 섬유웹의 제조방법은 열가소성 수지를 가열하여 용융된 열가소성 수지를 압출하는 단계; 상기 용융된 열가소성 수지를 필라멘트 형태로 제1방향을 따라 분사하는 단계; 상기 분사되는 필라멘트를 향해 상기 제1방향에 대해 교차하는 방향으로 기체를 분사하는 단계; 상기 필라멘트를 포집하여 섬유웹을 형성하는 단계를 포함한다.The meltblown fiber web manufacturing method includes the steps of extruding a molten thermoplastic resin by heating the thermoplastic resin; Spraying the molten thermoplastic resin along a first direction in the form of a filament; Spraying gas in a direction intersecting the first direction toward the jetted filament; Collecting the filaments to form a fibrous web.

이와 같은 방법으로 제조된 셈유웹을 2장의 보호층 사이에 내재한 흡음재가 주식회사 익성(충북 음성 소재)에서 제조 판매하고 있다.A sound absorbing material inherent between two protective layers of the Semyu web manufactured in this manner is manufactured and sold by Ikseong Co., Ltd.

종래에는 상기와 같은 흡음재를 프레스 성형하게 되면, 도 1에 도시된 것처럼, 섬유웹이 노출되지 않도록, 섬유웹을 감싸고 있는 보호시트의 외곽라인이 오므려진다. Conventionally, when press-molding the sound absorbing material as described above, as shown in Figure 1, the outer line of the protective sheet surrounding the fiber web is closed so that the fiber web is not exposed.

그러나, 상기와 같은 외곽라인을 가진 흡음재는, 도 1에 도시된 것처럼, 보호시트의 외곽라인(3)이 잘 터짐으로써, 섬유웹이 보호시트 사이에 쉽게 빠지고, 흡음성능이 저하되는 단점이 있었다.
However, the sound absorbing material having the outer line as described above, as shown in Figure 1, the outer line (3) of the protective sheet is well broken, there is a disadvantage that the fiber web easily falls between the protective sheet, the sound absorption performance is degraded. .

따라서, 본 발명의 목적은 프레스 성형에 의해 성형 제품의 외곽 형상을 결정하는 절단라인의 안쪽에 절단라인과 평행하게 제 1 및 제 2 파선 접합라인이 형성됨으로써, 제 1 및 제 2 파선 접합라인에서 섬유웹의 특성에 의해 2장의 보호시트가 접합되어, 외곽라인이 터지지 않을 뿐만 아니라 별도의 재봉작업을 요구하지 않는 자동차용 흡음재의 외곽라인구조 및 이를 성형하기 위한 프레스 목형을 제공하는 것이다.
Accordingly, an object of the present invention is to form the first and second dashed line joining lines in parallel with the cutting line inside the cutting line to determine the outer shape of the molded product by press molding, whereby in the first and second dashed line joining lines Due to the characteristics of the fibrous web, the two protective sheets are bonded to each other to provide an outer line structure of the sound absorbing material for automobiles that does not require an outer line and does not require a separate sewing operation, and a press die for molding the same.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 자동차용 흡음재의 외곽라인구조는 2장의 보호시트 사이에 섬유웹이 배치되는 자동차용 흡음재에 있어서, 프레스 성형에 의해 성형 제품의 외곽 형상을 결정하는 절단라인과, 절단라인의 안쪽에 절단라인과 평행하게 형성되는 제 1 및 제 2 파선 접합라인으로 구성되는 것을 특징으로 한다.The outer line structure of the sound absorbing material for automobiles according to the present invention for achieving the above object is a cut for determining the outer shape of the molded product by press molding in the sound absorbing material for automobiles in which the fiber web is disposed between two protective sheets. And a first broken line and a second broken line joining line formed inside the cutting line in parallel with the cutting line.

상기 제 2 파선 접합라인은 절단라인과 제 1 파선 접합라인 사이에 배치되는 것을 특징으로 한다.The second broken line joining line is characterized in that disposed between the cutting line and the first broken line joining line.

상기와 같은 자동차용 흡음재의 외곽라인구조를 성형을 위한 프레스 목형은 목판의 하부면에 성형하고자 하는 제품의 형상으로 띠 형상의 절단 커터가 장착되고, 절단 커터의 안쪽에 절단커터 동일한 형상으로 절단커터와 평행하게 제 1 및 제 2 성형커터가 배치되고, 제 1 및 제 2 성형커터에 "┌┐" 형상의 성형날과 오목부가 교대로 형성되고, 절단 커터와 제 1 및 제 2 성형커터가 장착된 목판의 하부면에 쿠션재가 부착되는 것을 특징으로 한다. Press die for molding the outer line structure of the sound absorbing material for automobiles is a band-shaped cutting cutter is mounted in the shape of the product to be molded on the lower surface of the wooden board, the cutting cutter in the same shape of the cutting cutter inside the cutting cutter The first and second forming cutters are arranged in parallel with each other, and the first and second forming cutters are alternately formed with a “blade” shaped blade and a recess, and the cutting cutter and the first and second forming cutters are mounted. It is characterized in that the cushioning material is attached to the lower surface of the wooden board.

상기 제 1 및 제 2 성형커터가 목판의 하부면에서 돌출되는 높이는 절단커터가 목판의 하부면에서 돌출되는 높이보다 0.1~1.0mm 낮은 것을 특징으로 한다.
The height at which the first and second forming cutters protrude from the lower surface of the wooden board is 0.1 to 1.0 mm lower than the height at which the cutting cutter protrudes from the lower surface of the wooden board.

이것에 의해, 본 발명에 따른 자동차용 흡음재의 외곽라인 구조 및 이를 성형하기 위한 프레스 목형은 제 1 및 제 2 파선 접합라인을 마치 재봉선처럼 파선 형태로 성형할 수 있으며, 제품의 외곽라인이 확실하게 접합되어, 프레스 성형된 제품의 외곽라인을 따라 별도의 재봉작업을 요구하지 않는 효과가 있다.
Thereby, the outer line structure of the sound absorbing material for automobiles according to the present invention and the press die for molding the same can form the first and second dashed line joining lines in the form of dashed lines as if they are sewing lines, and the outer lines of the product are reliably Bonded, there is an effect that does not require a separate sewing work along the outer line of the press-formed product.

도 1은 종래의 자동차용 흡음재의 외곽라인을 도시한 사진
도 2는 본 발명에 따른 자동차용 흡음재를 도시한 사진
도 3은 본 발명에 따른 자동차용 흡음재를 도시한 도 1의 A-A선에 따른 단면도
도 4는 본 발명에 따른 자동차용 흡음재의 외곽라인을 확대 도시한 사진
도 5는 본 발명에 따른 자동차용 흡음재의 외곽라인 성형을 위한 프레스 목형을 도시한 저면 사시도 및 일부 확대 상세도
1 is a photograph showing the outer line of a conventional sound absorbing material for automobiles
Figure 2 is a photograph showing a sound absorbing material for automobiles according to the present invention
3 is a cross-sectional view taken along the line AA of Figure 1 showing a sound absorbing material for automobiles according to the present invention
Figure 4 is an enlarged photo showing the outer line of the sound absorbing material for automobiles according to the present invention
Figure 5 is a bottom perspective view and partially enlarged detail showing a press die for forming the outer line of the sound absorbing material for automobiles according to the present invention

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 2 내지 도 4를 참조하면, 본 발명에 따른 자동차용 흡음재는 2장의 보호시트(11, 12) 사이에 대한민국 특허공개 제10-2011-0122566호의 "멜트블로운 섬유웹의 제조방법"에 의해 제조된 섬유웹(13)이 배치된다.2 to 4, the sound absorbing material for automobiles according to the present invention is a method of manufacturing a meltblown fiber web of the Republic of Korea Patent Publication No. 10-2011-0122566 between two protective sheets (11, 12) The manufactured fibrous web 13 is disposed.

상기와 같은 자동차용 흡음재에 있어서, 본 발명에 따른 자동차용 흡음재의 외곽라인구조는 프레스 성형에 의해 성형 제품의 외곽 형상을 결정하는 절단라인(15)과, 절단라인(15)의 안쪽에 절단라인과 평행하게 형성되는 제 1 및 제 2 파선 접합라인(16, 17)으로 구성된다.In the automotive sound absorbing material as described above, the outer line structure of the automotive sound absorbing material according to the present invention is a cutting line 15 for determining the outer shape of the molded product by press molding, and a cutting line inside the cutting line 15 And the first and second dashed line joining lines 16, 17 formed in parallel with each other.

상기 제 2 파선 접합라인(17)은 절단라인(15)과 제 1 파선 접합라인(16) 사이에 배치된다. The second broken line joining line 17 is disposed between the cutting line 15 and the first broken line joining line 16.

상기와 같이 구성된 본 발명에 따른 자동차용 흡음재의 외곽라인구조는 절단라인(15) 안쪽으로 형성되는 제 1 및 제 2 파선 접합라인(16, 17)이 마치 재봉선처럼 파선 형태로 형성되며, 섬유웹(13)의 특성에 의해, 프레스 성형시 성형커터의 압력에 의해 제 1 및 제 2 파선 접합라인(16, 17)의 파선에서 2장의 보호시트(11, 12)와 압착 접합됨으로써, 프레스 성형된 제품의 외곽라인을 따라 별도의 재봉작업이 요구되지 않는다.In the outer line structure of the sound absorbing material for automobiles according to the present invention configured as described above, the first and second dashed line joining lines 16 and 17 formed inside the cutting line 15 are formed in a dashed line like a sewing line, and the fibrous web According to the characteristic of (13), by press-bonding with the two protective sheets 11 and 12 at the broken lines of the first and second broken line joining lines 16 and 17 by the pressure of the molding cutter during press molding, No separate sewing work is required along the outer line of the product.

상기와 같은 본 발명에 따른 자동차용 흡음재의 외곽라인구조를 성형하기 위한 프레스 목형은 목판(110)의 하부면에 성형하고자 하는 제품의 형상으로 띠 형상의 절단 커터(120)가 장착되고, 절단 커터(120)의 안쪽에 절단커터 동일한 형상으로 절단커터와 평행하게 제 1 및 제 2 성형커터(130 ; 140)가 배치되고, 제 1 및 제 2 성형커터(130; 140)에 "┌┐" 형상의 성형날(131 ; 141)과 오목부(132; 142)가 교대로 형성되고, 절단 커터(120)와 제 1 및 제 2 성형커터(130 ; 140)가 장착된 목판(110)의 하부면에 쿠션재(150)가 부착된다.The press die for molding the outer line structure of the sound absorbing material for automobiles according to the present invention as described above is equipped with a band-shaped cutting cutter 120 in the shape of the product to be molded on the lower surface of the wooden board 110, the cutting cutter The first and second forming cutters 130 and 140 are disposed in the same shape as the cutting cutters in parallel with the cutting cutters, and the “┌┐” shape is formed in the first and second forming cutters 130 and 140. Molding blades 131 and 141 and recesses 132 and 142 are alternately formed, and the lower surface of the wooden board 110 on which the cutting cutter 120 and the first and second molding cutters 130 and 140 are mounted. Cushion material 150 is attached.

상기 제 1 및 제 2 성형커터(130, 140)가 목판(110)의 하부면에서 돌출되는 높이(h2)는 절단커터(120)가 목판(110)의 하부면에서 돌출되는 높이(h1)보다 0.1~1.0mm 낮다. The height h2 of the first and second forming cutters 130 and 140 protruding from the lower surface of the wooden board 110 is greater than the height h1 of the cutting cutter 120 protruding from the lower surface of the wooden board 110. 0.1 ~ 1.0mm lower

상기와 같이 구성된 본 발명에 따른 프레스 목형을 이용하여 자동자용 흡음재를 프레스 성형하게 되면, 넓은 자동차용 흡음재에 절단 커터(120)의 형상에 따라 제품이 절단되고, 제 1 및 제 2 성형커터(130, 140)에 의해 흡음재의 외곽라인에 2줄의 파선이 형성되고, 섬유웹의 특성으로 인하여 성형커터의 압력에 의해 파선에서 2장의 보호 시트가 접합된다. 그리고, 절단 커터(120)에 의해 원단에서 절단된 제품은 쿠션재(150)에 의해 목판(110)에 붙지 않고 분리된다.
When press-molding the sound absorbing material for automobiles using the press die according to the present invention configured as described above, the product is cut according to the shape of the cutting cutter 120 to a wide automotive sound absorbing material, the first and second forming cutter 130 140, two broken lines are formed on the outer line of the sound absorbing material, and two protective sheets are joined at the broken line by the pressure of the molding cutter due to the characteristics of the fiber web. In addition, the product cut from the original fabric by the cutting cutter 120 is separated by the cushioning material 150 without sticking to the wooden board 110.

15 : 절단라인 16 : 제 1 파선 접합라인
17 ; 제 2 파선 접합라인 110 : 목판
120 : 절단 커터 130 ; 제 1 성형커터
140 : 제 2 성형커터 150 : 쿠션재
15: cutting line 16: the first broken line joining line
17; Second dashed line 110: Wood board
120: cutting cutter 130; 1st forming cutter
140: second molding cutter 150: cushioning material

Claims (4)

삭제delete 삭제delete 목판(110)의 하부면에 성형하고자 하는 제품의 형상으로 띠 형상의 절단 커터(120)가 장착되고, 절단 커터(120)의 안쪽에 절단커터 동일한 형상으로 절단커터와 평행하게 제 1 및 제 2 성형커터(130 ; 140)가 배치되고, 제 1 및 제 2 성형커터(130; 140)에 "┌┐" 형상의 성형날(131 ; 141)과 오목부(132; 142)가 교대로 형성되고, 절단 커터(120)와 제 1 및 제 2 성형커터(130 ; 140)가 장착된 목판(110)의 하부면에 쿠션재(150)가 부착되는 것을 특징으로 하는 자동차용 흡음재의 외곽라인구조 성형을 위한 프레스 목형.
A strip-shaped cutting cutter 120 is mounted on the lower surface of the wooden board 110 to form a product to be molded, and the first and second parallel cutting cutters have the same shape as the cutting cutter inside the cutting cutter 120. Forming cutters 130 and 140 are disposed, and forming blades 131 and 141 and concave portions 132 and 142 having a "┌┐" shape are alternately formed in the first and second forming cutters 130 and 140. The outer line structure molding of the sound absorbing material for automobiles, characterized in that the cushioning material 150 is attached to the lower surface of the wooden board 110 is equipped with the cutting cutter 120 and the first and second molding cutter (130; 140) Press for dies.
제 3 항에 있어서,
상기 제 1 및 제 2 성형커터(130, 140)가 목판(110)의 하부면에서 돌출되는 높이(h2)는 절단커터(120)가 목판(110)의 하부면에서 돌출되는 높이(h1)보다 0.1~1.0mm 낮은 것을 특징으로 하는 자동차용 흡음재의 외곽라인구조 성형을 위한 프레스 목형.
The method of claim 3, wherein
The height h2 of the first and second forming cutters 130 and 140 protruding from the lower surface of the wooden board 110 is greater than the height h1 of the cutting cutter 120 protruding from the lower surface of the wooden board 110. Press die for forming the outer line structure of the sound absorbing material for automobiles, characterized in that 0.1 ~ 1.0mm low.
KR1020120124265A 2012-11-05 2012-11-05 Outline structure of sound absorbing materials of automobile and wooden pattern of press for forming outline of the sound absorbing materials KR101270984B1 (en)

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KR1020120124265A KR101270984B1 (en) 2012-11-05 2012-11-05 Outline structure of sound absorbing materials of automobile and wooden pattern of press for forming outline of the sound absorbing materials
PCT/KR2013/007342 WO2014069768A1 (en) 2012-11-05 2013-08-14 External line structure of sound absorbing material for use in automobiles, and wooden press pattern for molding external line structure of sound absorbing material for use in automobiles

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230072005A (en) 2021-11-17 2023-05-24 김영희 A sound absorbing material for a vehicle having a thermocompression bonding line and a press mold for molding the same
KR20240028755A (en) 2022-08-25 2024-03-05 전찬정 Sewing pressed cutting wooden mold for molding automobiles sound absorbing materials

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JP2005178642A (en) * 2003-12-22 2005-07-07 Isuzu Motors Ltd Heat-resistant sound absorbing member
JP2012086706A (en) * 2010-10-20 2012-05-10 Inoac Corp Vehicle interior decoration member

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KR200359714Y1 (en) * 2004-05-21 2004-08-21 엔브이에이치코리아(주) Trimming apparatus for interior panel of vehicle
JP2007273415A (en) * 2006-03-31 2007-10-18 Gs Yuasa Corporation:Kk Manufacturing device of grid body for lead-acid storage battery, and grid body for lead-acid storage battery manufactured using the manufacturing device

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Publication number Priority date Publication date Assignee Title
JP2005178642A (en) * 2003-12-22 2005-07-07 Isuzu Motors Ltd Heat-resistant sound absorbing member
JP2012086706A (en) * 2010-10-20 2012-05-10 Inoac Corp Vehicle interior decoration member

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230072005A (en) 2021-11-17 2023-05-24 김영희 A sound absorbing material for a vehicle having a thermocompression bonding line and a press mold for molding the same
KR20240028755A (en) 2022-08-25 2024-03-05 전찬정 Sewing pressed cutting wooden mold for molding automobiles sound absorbing materials

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