KR930000236A - Triple wall plastic pipe extrusion method and apparatus - Google Patents

Triple wall plastic pipe extrusion method and apparatus Download PDF

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Publication number
KR930000236A
KR930000236A KR1019910010796A KR910010796A KR930000236A KR 930000236 A KR930000236 A KR 930000236A KR 1019910010796 A KR1019910010796 A KR 1019910010796A KR 910010796 A KR910010796 A KR 910010796A KR 930000236 A KR930000236 A KR 930000236A
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annular
path
guide
plate
distribution
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KR1019910010796A
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Korean (ko)
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KR940003715B1 (en
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김의수
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김의수
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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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Abstract

내용 없음No content

Description

3중벽 플라스틱 파이프 압출방법 및 장치Triple Wall Plastic Pipe Extrusion Method and Apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 구성을 나타낸 종단면도.1 is a longitudinal sectional view showing a configuration of the present invention.

제2도는 제1도의 A-A선 단면도.2 is a sectional view taken along the line A-A of FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 분배 헤드 2 : 압출헤드1: Dispensing Head 2: Extrusion Head

3 : 제1압출기 4 : 제2압출기3: first extruder 4: second extruder

3a,4a : 유입로 1a,5a,28a,33a,35a : 유도경사면3a, 4a: Inlet 1a, 5a, 28a, 33a, 35a: Guided slope

5 : 압출다이 6 : 맨드럴5: extrusion die 6: mandrel

7 : 환상유출로 8 : 유출구7: annular outflow path 8: outlet

10 : 분배기 11 : 전방분배판10: divider 11: front distribution plate

13,14,18 : 환상유입로 15 : 환상유입홈13,14,18: Fantasy Inlet 15: Fantasy Inlet

16,17 : 유입공 17 : 안내돌부16,17: inlet hole 17: guide protrusion

19 : 블레이드부 21 : 후방분배판19: blade portion 21: rear distribution plate

28 : 유도판 29 : 유도체28: induction plate 29: derivative

30,36 : 내벽체유도로 31,34 : 외벽체유도로30,36: Inner wall road 31,34: Outer wall road

32 : 원료유입로 33 : 안내판32: raw material inlet furnace 33: information board

35 : 안내체35: guide

Claims (2)

적정형태를 갖는 분배헤드 일측의 압출헤드에 제1압출기가 설치되어 성형되는 파이프의 내, 외벽체를 이루게 되는 용융원료를 압출시키도록 되고, 분배헤드 타측의 압출다이 내측에는 맨드럴이 설치되어 압출다이와 맨드럴 사이에 유출구측으로 점점 좁아지는 환상유출로가 형성되도록 되며, 분배헤드 내측에는 분배기가 개재 설치되어 제1압출기(3)를 통해 압출되는 용융상태의 원료가 분배기를 거친후 환상유출로를 통과하면서 유출로로 압출되어 성형되는 플라스틱 파이프의 내, 외벽체를 이루도록된 압출방법에 있어서, 분배헤드 내측에 설치되는 분배기는, 동일 직경을 갖는 2개의 전, 후방분배판을 상호 조합하여 이루되, 각각의 전, 후방분배판에는 파이프의 내, 외벽체를 이루게 되는 원료의 유입로로서 동심원 상태의 환상유입구를 각각 형성하여 상호 동일선상에 위치되면서 복층의 환상유입로를 이루도록 하고, 후방분배판의 각 환상유입구 사이에 위치되는 부위에는 안내돌부를 형성하여 그 중앙에 환상유입로를 형성함으로서, 중간벽체를 이루게 되는 원료가 유입되도록 하며, 각각의 환상유입구 및 환상유입로상에는 방사선 형태로 다수의 블레이드부를 가공형성하여 단일판체상에 복층의 환상유입로가 각각 형성되도록 하고, 전, 후방분배판에 형성된 환상유입로의 외측 접촉부위에는 환상유도홈을 요설 형성함과 동시에 상기 분배기가 내설되는 분배헤드 외경에는 제2압출기를 조립 설치하되, 분배헤드 및 분배기에는 제2압출기의 유입로와 전, 후방분배판의 환상유도홈을 연결하는 유입공을 관통 형성함과 동시에 상기 환상유도홈과 후방분배판상의 환상유입로 사이를 연결하는 유입공을 각각 블레이드부 측방으로 관통 형성하여 제2압출기로부터 압출되는 원료가 후방분배판의 환상유입로로 유입되도록 하며, 전방분배판의 외측면에는 중공이 관통 형성된 환형의 유도판 및 원추형의 유도체를 조립 설치하되, 유도판과 유도체 사이에는 상기 전, 후방분배판에 형성되는 내측의 환상유입로에 일치되는 내벽체 유도로가 형성되도록 함과 동시에 유도판의 외면에는 유도경사면을 형성하여 분배헤드 내경의 유도경사면과의 사이에 외벽체 유도로가 형성되도록 하고, 원추형의 유도체 끝단은 상기 제1압출기의 유입로 끝단에 위치되도록 하면서 상기 전, 후방분배판 외측의 환상유입로와 제1압출기의 유입로 사이에 점점 넓어지는 원추형의 원료유입로가 형성되도록 하며, 분배헤드 일측의 압출다이와 분배기를 이루는 후방 분배판사이에는 환형의 안내판을 개재 설치하되, 그 내경에는 압출다이 내측의 유도경사면과 상기 전, 후방분배판 외측의 환상유입로 사이를 연결하는 유도경사면을 형성하여 후방분배판의 안내돌부 외경과의 사이에 외벽체 유도로가 형성되도록 하고, 후방분배판의 중심부에는 유도경사면을 갖는 안내체를 조립 설치하면서 상기 안내돌부 내경과 안내체의 유도경사면 사이에 내벽체 유도로가 형성되도록 하여 분배기를 이룸으로서, 상기 제1, 2압출기로부터 공급되는 소정의 용융원료가 내, 외벽체유도로 및 안내돌부의 환상유입로를 각기 통과한후 소정지점에서 3중으로 겹쳐진 상태로 환상유출로를 통과하면서 유출로로 유출되어 소정 직경의 파이프가 제조 성형되도록 하는 것을 특징으로 하는 3중벽 플라스틱 파이프 압출방법.A first extruder is installed in the extrusion head on one side of the distribution head having a proper shape to extrude the molten raw material forming the inner and outer walls of the pipe to be molded, and a mandrel is installed inside the extrusion die on the other side of the distribution head, An annular outflow path that becomes narrower toward the outlet side is formed between the mandrel, and a distributor is installed inside the distribution head so that the molten raw material extruded through the first extruder 3 passes through the distributor and then passes through the annular outflow path. In the extrusion method of forming the inner and outer walls of the plastic pipe which is extruded into the outflow path and formed, the distributor disposed inside the distribution head is formed by combining two front and rear distribution plates having the same diameter, respectively. In the front and rear distribution boards, concentric annular inlets are formed as inflow paths of the raw materials that form the inner and outer walls of the pipe. By forming the annular inflow path of the double layer while being located on the same line and forming the annular inflow path in the center, the guide projection is formed in the part located between each annular inlet of the rear distribution plate. On the annular inlet and the annular inlet path to form a plurality of blades in the form of radiation to form a plurality of annular inlet paths on a single plate, and to form annular inlet paths formed on the front and rear distribution plates. At the outer contact portion, the annular induction groove is formed at the same time, and the second extruder is installed at the outer diameter of the distribution head in which the distributor is installed, but the distribution head and the distributor have the inflow path of the second extruder and the annular induction of the front and rear distribution plates. An inlet hole connecting the groove and simultaneously connecting the annular induction groove and the annular inlet path on the rear distribution plate The ball is penetrated to the side of the blade, respectively, so that the raw material extruded from the second extruder flows into the annular inflow path of the rear distribution plate, and the outer surface of the front distribution plate has an annular guide plate and a conical derivative formed through the hollow. While installing and assembling, the inner wall induction path is formed between the guide plate and the derivative to match the inner annular inlet path formed on the front and rear distribution plates, and at the same time, an inclined surface is formed on the outer surface of the guide plate to distribute the inner diameter of the distribution head. The outer wall induction path is formed between the inclined surface of the conical derivative and the end of the conical derivative is positioned at the end of the inflow path of the first extruder while the annular inflow path outside the front and rear distribution plates and the inflow path of the first extruder. In order to form a wider conical feed inlet, between the extrusion die on one side of the distribution head and the rear distribution plate forming the distributor. An annular guide plate is interposed therebetween, and the inner diameter thereof is formed between the guide slope of the inner side of the extrusion die and the guide protrusion of the rear plate to form an inclined slope connecting the annular inlet paths outside the front and rear distribution plates. By forming the outer wall induction path, the inner wall induction path is formed between the inner diameter of the guide protrusion and the inclined surface of the guide while assembling and installing a guide having an inclined surface in the center of the rear distribution plate, thereby forming the distributor. The predetermined molten raw material supplied from the first and second extruders passes through the annular inflow path of the inner and outer wall flow paths and the guide protrusions, respectively, and then flows into the outflow path while passing through the annular outflow path in the state of being overlapped in threefold at a predetermined point. Triple-wall plastic pipe extrusion method characterized in that the pipe of the diameter is manufactured and molded. 분배헤드 일측의 압출헤드에 제1압출기를 설치하여 성형되는 파이프의 내, 외벽체를 이루게 되는 소정의 원료를 압출시키도록 하고, 분배헤드 타측의 압출다이에는 맨드럴을 내설하여 압출다이와 맨드럴 사이에 환상유출로가 형성되도록 하며, 분배헤드 내측에는 분배기를 설치하여 제1압출기를 통해 압출되는 용융원료가 분배기를 거친 후 환상유출로를 통과하면서 유출로로 압출되어 성형되는 파이프의 내, 외벽체를 이루도록 된 압출장치에 있어서, 분배헤드 내측의 분배기는 2개의 전, 후방분배판을 상호 조합하여 이루되, 각각의 전, 후방분배판에는 파이프의 내, 외벽체를 이루게 되는 원료유입로로서 동일선상에 위치되는 동심원 상태의 환상유입구를 각각 형성하여 복층의 환상유입로를 이루도록 하고, 후방분배판의 각 환상유입구 사이에 위치되는 부위에는 사다리꼴 형태로 돌출 형성하여 안내돌부를 이루되, 안내돌부 중앙에는 환상유입로를 형성하며, 각각의 환상유입구 및 환상유입로상에는 방사선 형태로 다수의 블레이드부를 마련하여 이루는 한편, 전, 후방분배판에 형성된 환상유입로의 외측 접촉부위에는 환상유도홈을 요설 형성함과 동시에 상기분배헤드 외경에는 제2압출기를 조립 설치하되, 분배헤드 및 분배기에는 제2압출기의 유입로와 전, 후방분배판의 환상유도홈을 연결하는 유입공을 관통 형성함과 동시에 상기 환상유도홈과 후방분배판의 환상유도홈을 연결하는 유입공을 각각의 블레이드부 측방으로 관통형성함으로서, 파이프의 중간벽체를 이루게되는 소정의 용융원료를 제2압출기를 통해 후방분배판의 환상유입로로 유입시키도록 하고, 전방분배판의 외측에는 환형의 유도판 및 원추형의 유도체를 조립 설치하되, 유도판 내경과 유도체 외경사이에는 상기 전, 후방분배판 내측의 환상유입로와 일치하는 내벽체 유도로가 형성되도록 함과 동시에 유도판의 외면에는 유도경사면을 형성하여 분배헤드 내경의 유도경사면과의 사이에 외벽체유도로가 형성되도록 하고, 원추형의 유도체 끝단은 상기 제1압출기의 유입로 끝단에 위치되도록 하면서 상기 전, 후방분배판 외측의 환상유입로와 제1압출기의 유입로 사이에 점점 넓어지는 원추형의 원료유입로가 형성되도록 하며, 분배헤드 일측의 압출다이와 분배기를 이루는 후방분배판 사이에는 환형의 안내판를 개재 설치하되, 안내판의 내경에는 압출다이의 유도경사면과 전, 후방분배판 외측의 환상유입로 사이를 연결하는 유도경사면을 형성하여 후방분배판의 안내돌부 외경과 유도경사면 사이에 외벽체 유도로가 형성되도록 하고, 후방분배판의 중심부에는 유도경사면을 갖는 사다리꼴의 안내체를 조립함으로서, 상기 안내돌부의 내경과 안내체의 유도경사면 사이에 내벽체 유도로가 형성되도록 하여 분배기를 구성한 것을 특징으로 하는 3중벽 플라스틱 파이프 압출장치.A first extruder is installed in the extrusion head on one side of the distribution head to extrude predetermined raw material that forms the inner wall and the outer wall of the pipe to be formed, and a mandrel is installed in the extrusion die on the other side of the distribution head, between the extrusion die and the mandrel. The annular outflow path is formed, and a distributor is installed inside the distribution head so that the molten raw material extruded through the first extruder passes through the distributor and passes through the annular outflow path to form the inner and outer walls of the pipe that is extruded into the outflow path. In the conventional extrusion apparatus, the distributor inside the distribution head is formed by combining two front and rear distribution plates, and each front and rear distribution plate is located on the same line as a raw material inflow path forming the inner and outer walls of the pipe. Each concentric annular inlet is formed so as to form a two-layer annular inlet path, and is located between each annular inlet of the rear distribution plate. The protrusion is formed in a trapezoidal shape to form a guide protrusion, and at the center of the guide protrusion, an annular inflow path is formed, and each annular inlet and annular inflow path are provided with a plurality of blades in the form of radiation, At the outer contact portion of the annular inlet passage formed in the distribution plate, the annular induction groove is formed at the same time, and the second extruder is installed and installed at the outer diameter of the distribution head, and the inlet and front and rear distribution of the second extruder are disposed at the distribution head and the distributor. The inlet hole connecting the annular guide groove of the plate and the through hole connecting the annular guide groove and the annular guide groove of the rear distribution plate penetrate to the side of each blade to form the intermediate wall of the pipe. The predetermined molten raw material is introduced into the annular inlet path of the rear distribution plate through the second extruder, and the annular outer side of the front distribution plate Assemble and install the guide plate and the conical derivative, but between the inner diameter of the guide plate and the outer diameter of the guide plate to form an inner wall induction path coinciding with the annular inlet path inside the front and rear distribution plate, and at the same time the inclined surface on the outer surface of the guide plate To form an outer wall flow path between the inclined head of the distribution head inner diameter, and the end of the conical derivative is positioned at the end of the inflow path of the first extruder and has an annular inflow path outside the front and rear distribution plates. A conical raw material inlet path is formed between the inlet paths of the first extruder, and an annular guide plate is installed between the extrusion die on one side of the distribution head and the rear distribution plate forming the distributor, and the extrusion plate is guided to the inner diameter of the guide plate. Guide protrusion of the rear distribution plate by forming an inclined surface connecting the inclined surface and the annular inflow path outside the front and rear distribution plates An outer wall guide path is formed between the outer diameter and the inclined slope surface, and a trapezoidal guide body having an inclined slope surface is assembled at the center of the rear distribution plate, so that the inner wall guide passage is formed between the inner diameter of the guide protrusion and the guide slope of the guide body. Triple wall plastic pipe extrusion apparatus characterized in that configured to form a distributor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910010796A 1991-06-27 1991-06-27 Extrusion method and apparatus for plastic pipe KR940003715B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910010796A KR940003715B1 (en) 1991-06-27 1991-06-27 Extrusion method and apparatus for plastic pipe

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Application Number Priority Date Filing Date Title
KR1019910010796A KR940003715B1 (en) 1991-06-27 1991-06-27 Extrusion method and apparatus for plastic pipe

Publications (2)

Publication Number Publication Date
KR930000236A true KR930000236A (en) 1993-01-15
KR940003715B1 KR940003715B1 (en) 1994-04-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354827B1 (en) * 1995-11-28 2002-12-16 주식회사 효성생활산업 Manufacturing method of polyester fiber having super transparency and excellent luster

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Publication number Priority date Publication date Assignee Title
KR102037031B1 (en) * 2019-05-24 2019-10-25 윤진한 Apparatus and methods for manufacturing of deck board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354827B1 (en) * 1995-11-28 2002-12-16 주식회사 효성생활산업 Manufacturing method of polyester fiber having super transparency and excellent luster

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