KR100839103B1 - Polyethylene form forming apparatus for formed article - Google Patents

Polyethylene form forming apparatus for formed article Download PDF

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Publication number
KR100839103B1
KR100839103B1 KR1020070028603A KR20070028603A KR100839103B1 KR 100839103 B1 KR100839103 B1 KR 100839103B1 KR 1020070028603 A KR1020070028603 A KR 1020070028603A KR 20070028603 A KR20070028603 A KR 20070028603A KR 100839103 B1 KR100839103 B1 KR 100839103B1
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KR
South Korea
Prior art keywords
polyethylene foam
molded article
roller
shaped molded
mold
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KR1020070028603A
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Korean (ko)
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금용수
Original Assignee
주식회사 주안
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Publication of KR100839103B1 publication Critical patent/KR100839103B1/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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • B29C2043/461—Rollers the rollers having specific surface features
    • B29C2043/464—Rollers the rollers having specific surface features having projections or knives, e.g. for cutting-out or for forming local depressions
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

A forming tool of a forming device for polyethylene foam is provided to reduce smoke during forming and to prevent sticking of the polyethylene foam to a die unit by making a side surface of the die unit inclined from an outside to an inside and by coating an outer surface with Teflon. A forming tool(400) of a forming device for polyethylene foam includes multiple die units(420) coated with Teflon at an outer surface, and inclined from an outside to an inside at a side surface, to form a formed groove on the polyethylene foam easily, and a heater(410) inside. The forming tool is of either a roller type or a plate type.

Description

폴리에틸렌 폼 성형장치의 성형품{polyethylene form Forming apparatus for formed article}Polyethylene form Forming apparatus for formed article

도 1은 종래의 폴리에틸렌 폼 성형장치의 판형 성형품을 나타낸 도면이다.1 is a view showing a plate-shaped molded article of a conventional polyethylene foam molding apparatus.

도 2는 종래의 폴리에틸렌 폼 성형장치의 롤러형 성형품을 나타낸 도면이다.2 is a view showing a roller-shaped molded article of a conventional polyethylene foam molding apparatus.

도 3은 본 발명에 따른 폴리에틸렌 폼 성형장치의 판형 성형품을 나타내는 도면이다.3 is a view showing a plate-shaped molded article of the polyethylene foam molding apparatus according to the present invention.

도 4는 본 발명에 따른 폴리에틸렌 폼 성형장치의 롤러형 성형품을 나타낸 도면이다.Figure 4 is a view showing a roller-shaped molded article of the polyethylene foam molding apparatus according to the present invention.

도 5는 도 4의 롤러형 성형품의 사용 상태를 나타낸 도면이다.5 is a view showing a state of use of the roller-shaped molded product of FIG.

도 6는 본 발명에 따른 롤러형 성형품의 다른 일 실시 예를 나타낸 도면이다.6 is a view showing another embodiment of a roller-shaped molded article according to the present invention.

도 7은 도 6에 도시된 롤러형 성형품의 단면 상태를 나타낸 도면이다.7 is a view showing a cross-sectional state of the roller-shaped molded product shown in FIG.

도 8은 도 6의 롤러형 성형품의 사용 상태를 나타낸 도면이다.8 is a view showing a state of use of the roller-shaped molded product of FIG.

※ 도면의 주요 부분에 대한 부호의 설명 ※※ Explanation of code about main part of drawing ※

300, 400, 600 : 성형품 310, 410, 610 : 히터300, 400, 600: molded parts 310, 410, 610: heater

320, 420, 620 : 금형부 321, 421, 621 : 금형부 외면320, 420, 620: mold part 321, 421, 621: mold part outer surface

322, 422, 622 : 금형부 측면 330, 430, 630 : 회전축322, 422, 622: mold side 330, 430, 630: rotation axis

350, 450, 650 : 보조 롤러 P : 폴리에틸렌 폼350, 450, 650: secondary roller P: polyethylene foam

P1 : 폴리에틸렌 폼 성형 면P1: Polyethylene Foam Molded Cotton

본 발명은 폴리에틸렌 폼에 다양한 형태의 홈 등을 성형하기 위한 성형장치의 성형품에 관한 것으로, 좀 더 구체적으로는 성형품의 몸체에 형성된 금형부의 측면을 바깥쪽에서부터 안쪽으로 경사지도록 형성함으로써, 성형시 금형부와 폴리에틸렌 폼이 상호 들러붙지 않게 하여 성형 면을 깨끗하게 할 수 있도록 한 폴리에틸렌 폼 성형장치의 성형품에 관한 것이다.The present invention relates to a molded article of a molding apparatus for molding various types of grooves in polyethylene foam, and more particularly, by forming the side of the mold portion formed in the body of the molded article to be inclined from the outside to the inside, The present invention relates to a molded article of a polyethylene foam molding apparatus in which a part and a polyethylene foam are not stuck together so that the molding surface can be cleaned.

일반적으로 성형품은 폴리에틸렌 폼의 성형장치(미도시)에 설치되어, 폴리에틸렌 폼에 필요에 따라 다양한 형태로 성형을 하기 위해 사용되는 구성품의 하나로서 종래에는 도 1에 도시된 바와 같이, 그 상면으로 히터(110)를 형성하고, 그 몸체에는 복수의 요철 형태로 이루어지는 금형부(120)를 갖는 판형 성형품(100)과, 도 2에 도시된 바와 같이 그 외주로 요철 형태의 금형부(220)를 형성한 롤러형의 성형품(200)이 사용되고 있다.In general, a molded article is installed in a molding apparatus (not shown) of polyethylene foam, and is one of the components used to mold the polyethylene foam in various forms as needed. In the related art, as shown in FIG. 110 is formed, the body is formed with a plate-shaped molded article 100 having a mold portion 120 made of a plurality of concave-convex shape, and the mold portion 220 of the concave-convex shape as the outer periphery, as shown in FIG. One roller-shaped molded article 200 is used.

그러나, 이러한 종래의 판형 성형품(100) 또는 롤러형 성형품(200)은, 금형부(120),(220)가 직각으로 형성되어 있어, 성형시 상기 금형부(120),(220)의 전체 즉, 외면(121),(221)과, 측면(122),(222)이 모두 폴리에틸렌 폼(P)과 밀착됨에 따라 상기 폴리에틸렌 폼(P)의 성형 면(P1)과 들러붙는 현상이 발생하여 성형 면(P1) 이 깨끗하지 않은 문제점이 발생하고, 또 금형부(120),(220)의 전체 면의 밀착으로 인해 연기가 더 많이 발생하여 작업 환경이 매우 좋지 않은 문제점 등이 있었다.However, in the conventional plate-shaped molded product 100 or the roller-shaped molded product 200, the mold parts 120 and 220 are formed at right angles, so that the entire mold parts 120 and 220 are formed during molding. As the outer surfaces 121 and 221 and the side surfaces 122 and 222 are all in close contact with the polyethylene foam P, the outer surface 121 and 222 are in close contact with the molding surface P1 of the polyethylene foam P. The problem is that the surface P1 is not clean, and more smoke is generated due to the adhesion of the entire surface of the mold parts 120 and 220, and thus the working environment is not very good.

따라서, 본 발명은 상기와 같은 종래의 문제점을 해결하기 위해 창출된 것으로서, 성형품의 몸체에 형성되는 금형부의 구조를 변형시켜 폴리에틸렌 폼의 성형시 들러붙는 현상을 방지하고, 또 연기의 발생을 현저하게 줄여 품질향상과 작업환경을 좀 더 쾌적하도록 한 폴리에틸렌 폼 성형장치의 성형품를 제공함에 그 목적이 있다.Therefore, the present invention was created to solve the above-mentioned conventional problems, and deforms the structure of the mold part formed in the body of the molded article to prevent sticking during the molding of the polyethylene foam, and significantly prevents the generation of smoke. Its purpose is to provide molded products of polyethylene foam molding apparatus that improve quality and make working environment more comfortable.

상기한 목적을 달성하기 위한 본 발명에 따른 폴리에틸렌 폼 성형장치의 성형품에 의하면, 상기 성형품은, 몸체 외면으로 테프론 코팅되고, 상기 폴리에틸렌 폼에 용이하게 성형 홈을 형성하기 위해, 히터 및 측면이 바깥쪽에서부터 안쪽으로 경사진 복수의 금형부가 형성되는 것을 특징으로 한다.According to the molded article of the polyethylene foam molding apparatus according to the present invention for achieving the above object, the molded article is Teflon-coated to the outer surface of the body, in order to easily form a molding groove in the polyethylene foam, the heater and the side from the outside It characterized in that a plurality of mold parts are inclined inward from.

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또, 상기 성형품은 롤러형 또는 판형 중 어느 하나로 이루어지는 것을 특징으로 한다.
이와 같이 구성된 본 발명에 따른 폴리에틸렌 폼 성형장치의 성형품를 첨부된 도면을 참조하여 좀 더 구체적으로 설명한다.In addition, the molded article is characterized in that it consists of any one of a roller type or a plate shape.
The molded article of the polyethylene foam molding apparatus according to the present invention configured as described above will be described in more detail with reference to the accompanying drawings.

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먼저, 도 3은 본 발명에 따른 폴리에틸렌 폼 성형장치의 판형 성형품을 나타내는 도면으로서 도시한 바와 같이, 판형 성형품(300)은, 그 상면으로 폴리에틸렌 폼(P)에 성형시 열을 제공함으로써 용이한 성형을 돕기 위한 히터(310)가 형성된다. First, as shown in FIG. 3 is a view showing a plate-shaped molded article of the polyethylene foam molding apparatus according to the present invention, the plate-shaped molded article 300 is easily formed by providing heat at the time of molding to the polyethylene foam (P) on its upper surface. A heater 310 is formed to help.

상기 히터(310)는 열선이 상기 성형품(300)에 열을 전달하기 용이한 구조로 배열되고, 상기 열선은 전력에 의해 발열 동작 된다.The heater 310 is arranged in a structure in which a hot wire is easy to transfer heat to the molded article 300, the hot wire is heat-operated by the power.

그리고, 상기 히터(310)의 하면으로는 폴리에틸렌 폼(P)에 홈 등의 성형면(P1)을 형성하기 위해 하나 이상의 금형부(320)가 형성된다.In addition, at least one mold part 320 is formed on the lower surface of the heater 310 to form a molding surface P1 such as a groove in the polyethylene foam P.

상기 금형부(320)는, 그 외면(321)은 평면으로 형성되고, 측면(322)은 바깥쪽에서부터 안쪽으로 경사지게 형성된다.The mold portion 320, the outer surface 321 is formed in a plane, the side surface 322 is formed to be inclined inward from the outside.

이에 따라, 성형시에는 상기 금형부(320)의 외면(321) 만 상기 폴리에틸렌 폼(P)과 맞닿아 압착되고, 경사진 측면(322)은 접촉이 되지 않게 된다.Accordingly, during molding, only the outer surface 321 of the mold 320 is brought into contact with the polyethylene foam P and pressed, and the inclined side surface 322 is not in contact.

따라서, 상기 금형부(320)와 상기 폴리에틸렌 폼(P)의 상호 접촉 면적이 줄어들게 되므로, 상기 금형부(320)와 상기 폴리에틸렌 폼(P)의 면 접촉시에 발생하는 연기의 양도 현저하게 줄어들게 된다.Therefore, since the contact area between the mold part 320 and the polyethylene foam P is reduced, the amount of smoke generated during the surface contact between the mold part 320 and the polyethylene foam P is also significantly reduced. .

또, 상기 판형 성형품(300)의 외 표면으로는 테프론(TEFLON) 불소 수지를 도료화 하여 페인트처럼 스프레이 한 후, 일정한 온도에서 가열, 소성을 거쳐 코팅층을 형성하도록 처리하였다.In addition, the outer surface of the plate-shaped molded article 300 was coated with a TEFLON fluorine resin and sprayed like paint, and then treated to form a coating layer by heating and baking at a constant temperature.

이에 따라, 다른 수지에서는 찾아 볼 수 없는 내열성, 화학적 불활성, 우수 한 전기적 특성과 또, 불소 수지가 갖고 있는 독특한 분자 구조 때문에 발생하는 비 점착성 등에 의해, 성형 작업시 상기 폴리에틸렌 폼(P)의 성형 면(P1)은 상기 금형부(320)와 들러붙는 현상이 발생하지 않게 되므로, 결정이 확실하게 형성되어 깨끗한 상태로 가공되게 된다.As a result, the molding surface of the polyethylene foam (P) during the molding operation is due to heat resistance, chemical inertness, excellent electrical properties not found in other resins, and non-adhesion caused by the unique molecular structure of the fluorine resin. Since the phenomenon of sticking with the mold part 320 does not occur, the crystal P1 is reliably formed and processed in a clean state.

그리고, 도 4는 본 발명에 따른 폴리에틸렌 폼 성형장치의 롤러형 성형품을 나타낸 도면이고, 도 5는 도 4의 롤러형 성형품의 사용 상태를 나타낸 도면으로서 도시한 바와 같이, 상기 롤러형 성형품(400)은, 그 몸체 즉, 외주 면에는 길이 방향으로 금형부(420)가 돌출 형성된다. 또, 상기 금형부(420)는 외주를 따라 복수 개로 형성된다.And, Figure 4 is a view showing a roller-shaped molded article of the polyethylene foam molding apparatus according to the present invention, Figure 5 is a view showing a state of use of the roller-shaped molded article of Figure 4, the roller-shaped molded article 400 Silver, that is, the mold portion 420 protrudes in the longitudinal direction on the outer surface. In addition, a plurality of mold portions 420 are formed along the outer circumference.

또, 상기 금형부(420)는, 외면(421)은 평면으로 이루어지고, 그 측면(422)은 바깥쪽에서부터 안쪽으로 경사를 이루도록 형성된다.In addition, the mold portion 420, the outer surface 421 is made of a plane, the side surface 422 is formed to be inclined from the outside to the inside.

상기 롤러형 성형품(400)의 몸체 내측으로는 내주를 따라 성형시 열을 제공하기 위한 히터(410)가 복수 개로 형성된다.A plurality of heaters 410 are provided inside the body of the roller-shaped molded product 400 to provide heat during molding along the inner circumference.

또, 상기 롤러형 성형품(400)의 양단부 중앙으로는 폴리에틸렌 폼 성형장치(미도시)에 설치되어 회전하는 회전축(430)이 형성된다.In addition, at the center of both ends of the roller-shaped molded article 400, a rotating shaft 430 is installed and rotated in a polyethylene foam molding apparatus (not shown).

이러한 구성의 롤러형 성형품(400)의 금형부(420) 역시 상기 판형 성형품(300)의 금형부(320)와 동일한 구조를 이루고 있기 때문에 성형 효과는 동일하다.Since the mold part 420 of the roller-shaped molded product 400 having such a configuration also has the same structure as the mold part 320 of the plate-shaped molded product 300, the molding effect is the same.

다만, 상기 롤러형 성형품(400)은, 하강시 프레스 동작에 의해 성형하는 상기 판형 성형품(300)과는 달리, 그 하부 측으로 보조 롤러(450)를 위치시키고, 상 기 롤러형 성형품(400)과 상기 보조 롤러(450)와의 사이에 폴리에틸렌 폼(P)을 삽입되도록 한 후, 상기 롤러형 성형품(400)과, 상기 보조 롤러(450)를 회전시킴으로써, 롤러형 성형품(400)의 금형부(420)가 폴리에틸렌 폼(P)을 눌러 지나가면서 성형 면(P1)을 형성하게 된다.However, the roller-shaped molded article 400, unlike the plate-shaped molded article 300 formed by a press operation when descending, to position the auxiliary roller 450 to the lower side, the roller-shaped molded article 400 and After inserting the polyethylene foam P between the auxiliary roller 450, the mold part 420 of the roller-shaped molded product 400 is rotated by rotating the roller-shaped molded product 400 and the auxiliary roller 450. ) Presses the polyethylene foam (P) to form the forming surface (P1).

이때, 상기 금형부(420)의 외면(421) 만 상기 폴리에틸렌 폼(P)과 맞닿아 눌러지게 되고, 경사진 측면(422)은 접촉이 되지 않게 된다.At this time, only the outer surface 421 of the mold unit 420 is pressed against the polyethylene foam (P), the inclined side surface 422 is not in contact.

따라서, 상기 금형부(420)와 상기 폴리에틸렌 폼(P)의 상호 접촉 면적이 줄어들게 되므로, 상기 금형부(420)와 상기 폴리에틸렌 폼(P)의 면 접촉시에 발생하는 연기의 양도 현저하게 줄어들게 된다.Therefore, since the contact area between the mold part 420 and the polyethylene foam P is reduced, the amount of smoke generated during the surface contact between the mold part 420 and the polyethylene foam P is also significantly reduced. .

또한, 상기 롤러형 성형품(400)의 외 표면으로도 테프론(TEFLON) 불소 수지를 스프레이 하여 가열, 소성으로 코팅처리 하였다.In addition, the outer surface of the roller-shaped molded product 400 was sprayed by Teflon (TEFLON) fluorine resin was coated by heating, baking.

따라서, 상기 폴리에틸렌 폼(P)의 성형 면(P1)은 상기 금형부(420)와 들러붙는 현상이 발생하지 않게 되므로, 결정이 확실하게 형성되어 깨끗한 상태로 가공되게 된다.Therefore, the molding surface P1 of the polyethylene foam P does not adhere to the mold part 420, so that crystals are reliably formed and processed in a clean state.

도 6은 본 발명에 따른 롤러형 성형품의 다른 일 실시 예를 나타낸 도면이고, 도 7은 도 6에 도시된 롤러형 성형품의 단면 상태를 나타낸 도면이며, 도 8은 도 6의 롤러형 성형품의 사용 상태를 나타낸 도면이다.6 is a view showing another embodiment of a roller-shaped molded article according to the present invention, Figure 7 is a view showing a cross-sectional state of the roller-shaped molded article shown in Figure 6, Figure 8 is the use of the roller-shaped molded article of Figure 6 It is a figure which shows the state.

상기 각 도면에 도시한 바와 같이 롤러형 성형품(600)은, 다른 구조는 모두, 도 4에 도시된 롤러형 성형품(600)과 동일하다.As shown in each of the figures, the roller-shaped molded article 600 has the same structure as the roller-shaped molded article 600 shown in FIG.

다만, 상기 금형부(620)가 롤러형 성형품(600)의 외주 길이 방향이 아닌, 원 주 방향으로 복수로 돌출 형성된 것이 상이하다.However, it is different that the mold part 620 protrudes in the circumferential direction, not the outer circumferential longitudinal direction of the roller-shaped molded product 600.

이러한 구성의 롤러형 성형품(600)은, 그 양단부 중앙으로 형성된 회전축(630)이 폴리에틸렌 폼 성형장치(미도시)에 회전가능하도록 설치되고, 그 하부 측에 위치하는 보조 롤러(650)와의 사이에 폴리에틸렌 폼(P)을 삽입 이동되도록 위치시키게 되면, 폴리에틸렌 폼(P)에는 회전하는 롤러형 성형품(600)의 금형부(620)가 눌러 지나가면서 성형 면(P1)을 형성하게 된다.The roller-shaped molded article 600 having such a configuration is provided such that the rotating shaft 630 formed at the center of both ends thereof is rotatable in a polyethylene foam molding apparatus (not shown), and with the auxiliary roller 650 positioned at the lower side thereof. When the polyethylene foam (P) is positioned so as to be inserted and moved, the mold surface (620) of the rotating roller-shaped molded article (600) is pressed into the polyethylene foam (P) to form the molding surface (P1).

이때, 상기 금형부(620)는, 그 외면(621) 만 상기 폴리에틸렌 폼(P)과 맞닿아 눌러지게 되고, 경사진 측면(622)은 접촉이 되지 않게 된다.At this time, only the outer surface 621 of the mold portion 620 is pressed against the polyethylene foam (P), the inclined side surface 622 is not in contact.

따라서, 상기 금형부(620)와 상기 폴리에틸렌 폼(P)의 상호 접촉 면적이 종래와는 달리 줄어들게 되므로, 상기 금형부(620)와 상기 폴리에틸렌 폼(P)의 면 접촉시에 발생하는 연기의 양도 현저하게 줄어들게 된다.Therefore, since the mutual contact area between the mold part 620 and the polyethylene foam P is reduced, unlike in the related art, the amount of smoke generated when the mold part 620 is in contact with the polyethylene foam P may be transferred. It will be significantly reduced.

또한, 상기 롤러형 성형품(600)의 외 표면으로도 테프론(TEFLON) 불소 수지를 스프레이 하여 가열, 소성으로 코팅처리 하였다.In addition, the outer surface of the roller-shaped molded article 600 was sprayed with Teflon (TEFLON) fluorine resin was coated by heating and baking.

따라서, 상기 폴리에틸렌 폼(P)의 성형 면(P1)은 상기 금형부(620)와 들러붙는 현상이 발생하지 않게 되므로, 결정이 확실하게 형성되어 깨끗한 상태로 가공되게 된다.Therefore, the molding surface P1 of the polyethylene foam P does not adhere to the mold part 620, so that crystals are reliably formed and processed in a clean state.

이상에서 설명한 바와 같이, 본 발명에 따른 폴리에틸렌 폼 성형품에 의하면, 그 외 표면으로 테프론 코팅처리와, 금형부의 측면을 바깥 측에서부터 안쪽으로 경사를 이루도록 함으로써,폴리에틸렌 폼과의 맞닿는 면적을 줄여 성형시 발생 하는 연기를 줄임과 동시에 폴리에틸렌 폼이 금형부에 들러붙는 현상을 방지하게 되어 성형부위가 깨끗해 지는 효과가 있다. 이에 따라, 제품의 품질향상과 작업환경을 좀 더 쾌적하게 이루게 된다.As described above, according to the polyethylene foam molded article according to the present invention, the Teflon coating treatment and the side surface of the mold portion are inclined inward from the outside side to the other surface, thereby reducing the area of contact with the polyethylene foam, which occurs during molding. At the same time to reduce the smoke to prevent the polyethylene foam sticking to the mold portion is effective to clean the molded part. As a result, the product quality and working environment are more comfortable.

Claims (3)

폴리에틸렌 폼 성형장치의 성형품에 있어서,In the molded article of the polyethylene foam molding apparatus, 상기 성형품은 몸체 외면으로 테프론 코팅되고, 상기 폴리에틸렌 폼에 용이하게 성형 홈을 형성하기 위해, 히터 및 측면이 바깥쪽에서부터 안쪽으로 경사진 복수의 금형부가 형성되는 것을 특징으로 하는 폴리에틸렌 폼 성형장치의 성형품.The molded article is Teflon-coated to the outer surface of the body, in order to easily form a molded groove in the polyethylene foam, the molded article of the polyethylene foam molding apparatus, characterized in that a plurality of mold parts are formed inclined from the outside to the inside of the heater and the side . 삭제delete 제1항에 있어서, 상기 성형품은 롤러형 또는 판형 중 어느 하나로 이루어지는 것을 특징으로 하는 폴리에틸렌 폼 성형장치의 성형품.The molded article of the polyethylene foam molding apparatus according to claim 1, wherein the molded article is made of either a roller or a plate.
KR1020070028603A 2007-03-23 2007-03-23 Polyethylene form forming apparatus for formed article KR100839103B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101571697B1 (en) 2014-04-25 2015-11-25 문경숙 Hot mat manufacturing equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000006775A (en) * 1999-11-02 2000-02-07 박영태 The two faces' emboss forming apparatus of a vinyl paper for a tire manufacturing, and the forming method
KR20040092955A (en) * 2003-04-30 2004-11-04 채종희 Apparatus for manufacturing mat of the project screw head in a cylinder roller and the using mat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000006775A (en) * 1999-11-02 2000-02-07 박영태 The two faces' emboss forming apparatus of a vinyl paper for a tire manufacturing, and the forming method
KR20040092955A (en) * 2003-04-30 2004-11-04 채종희 Apparatus for manufacturing mat of the project screw head in a cylinder roller and the using mat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101571697B1 (en) 2014-04-25 2015-11-25 문경숙 Hot mat manufacturing equipment

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